/* Copyright 2006 - 2018 Intel Corporation Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. */ #ifdef WIN32 #include #include #include #include #include "wincrypto.h" #include #endif #include "agentcore.h" #include "signcheck.h" #include "meshdefines.h" #include "meshinfo.h" #include "microscript/ILibDuktape_Polyfills.h" #include "microscript/ILibDuktape_Helpers.h" #include "microscript/ILibDuktape_SHA256.h" #include "microscript/ILibDuktape_EncryptionStream.h" #include "microscript/ILibDuktape_DuplexStream.h" #include "microscript/ILibDuktape_EventEmitter.h" #include "microscript/ILibDuktape_net.h" #include "microscript/ILibDuktape_Dgram.h" #include "microstack/ILibParsers.h" #include "microstack/ILibAsyncUDPSocket.h" #include "microstack/ILibMulticastSocket.h" #include "microscript/ILibDuktape_ScriptContainer.h" #include "../microstack/ILibIPAddressMonitor.h" #ifdef _POSIX #include #include #endif int gRemoteMouseRenderDefault = 0; #ifdef _LINKVM #ifdef WIN32 #include "KVM/Windows/kvm.h" #endif #ifdef _POSIX #ifndef __APPLE__ #include "KVM/Linux/linux_kvm.h" #else #include "KVM/MacOS/mac_kvm.h" #endif #endif #endif #if defined(WIN32) && !defined(_WIN32_WCE) && !defined(_MINCORE) #define _CRTDBG_MAP_ALLOC #include #endif #ifdef __APPLE__ #include #endif #define HEX_IDENTIFIER (unsigned short)12408 #define EXE_IDENTIFIER (unsigned int)778401893 #define MSH_IDENTIFIER (unsigned int)778924904 #define SCRIPT_ENGINE_PIPE_BUFFER_SIZE 65535 #define SERVER_DISCOVERY_BUFFER_SIZE 1024 #define MESH_AGENT_PORT 16990 //!< Default Mesh Agent Port #define MESH_MCASTv4_GROUP "239.255.255.235" #define MESH_MCASTv6_GROUP "FF02:0:0:0:0:0:0:FE" char exeMeshPolicyGuid[] = { 0xB9, 0x96, 0x01, 0x58, 0x80, 0x54, 0x4A, 0x19, 0xB7, 0xF7, 0xE9, 0xBE, 0x44, 0x91, 0x4C, 0x19 }; #define MESH_SCRIPTCONTAINER_ID "\xFF_ScriptContainer_ID" #define MESH_AGENT_SINGLETON "\xFF_MeshAgentObject_Singleton" #define SEQ_TABLE_KEY "\xFF_seqTable" #define CONTAINER_PTR "\xFF_ptr" #define MESH_AGENT_PTR "\xFFMeshAgentPtr" #define CTX_PTR "\xFF_Heap" #define CONTEXT_GUID_PTR "_CONTEXT_GUID_PTR" #define REMOTE_DESKTOP_STREAM "\xFF_RemoteDesktopStream" #define REMOTE_DESKTOP_ptrs "\xFF_RemoteDesktopPTRS" #define DEFAULT_IDLE_TIMEOUT 120 #define MESH_USER_CHANGED_CB "\xFF_MeshAgent_UserChangedCallback" #define REMOTE_DESKTOP_UID "\xFF_RemoteDesktopUID" #define KVM_IPC_SOCKET "\xFF_KVM_IPC_SOCKET" int ILibDuktape_HECI_Debug = 0; #ifdef _POSIX extern char **environ; #ifndef __APPLE__ extern int SLAVELOG; #endif #endif extern int ILibDuktape_ModSearch_ShowNames; char* MeshAgentHost_BatteryInfo_STRINGS[] = { "UNKNOWN", "HIGH_CHARGE", "LOW_CHARGE", "NO_BATTERY", "CRITICAL_CHARGE", "", "", "", "CHARGING" }; JS_ENGINE_CONTEXT MeshAgent_JavaCore_ContextGuid = { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }; extern int ILibInflate(char *buffer, size_t bufferLen, char *decompressed, size_t *decompressedLen, uint32_t crc); #define Agent2PingData(ptr) ((void*)((char*)(ptr)+1)) #define PingData2Agent(data) ((MeshAgentHostContainer*)((char*)(data)-1)) typedef struct RemoteDesktop_Ptrs { duk_context *ctx; void *object; void *MeshAgentObject; #ifdef _POSIX void *kvmPipe; #ifdef __APPLE__ int kvmDomainSocket; #endif #endif ILibDuktape_DuplexStream *stream; }RemoteDesktop_Ptrs; typedef struct ScriptContainerSettings { SCRIPT_ENGINE_SECURITY_FLAGS permissions; unsigned int executionTimeout; int usingMasterDb; ILibDuktape_NativeUncaughtExceptionHandler nUncaughtExceptionHandler; void *nUncaughtExceptionUser; char ContextGuid[sizeof(JS_ENGINE_CONTEXT) + 1]; }ScriptContainerSettings; #pragma pack(push, 1) typedef struct MeshCommand_BinaryPacket_ServerId { unsigned short command; char serverId[UTIL_SHA384_HASHSIZE]; }MeshCommand_BinaryPacket_ServerId; typedef struct MeshCommand_BinaryPacket_AuthRequest { unsigned short command; char serverHash[UTIL_SHA384_HASHSIZE]; char serverNonce[UTIL_SHA384_HASHSIZE]; }MeshCommand_BinaryPacket_AuthRequest; typedef struct MeshCommand_BinaryPacket_AuthVerify_Header { unsigned short command; unsigned short certLen; char data[]; }MeshCommand_BinaryPacket_AuthVerify_Header; typedef struct MeshCommand_BinaryPacket_AuthVerify { char *cert; unsigned short certLen; char *signature; unsigned short signatureLen; }MeshCommand_BinaryPacket_AuthVerify; typedef enum MeshCommand_AuthInfo_PlatformType { MeshCommand_AuthInfo_PlatformType_DESKTOP = 1, MeshCommand_AuthInfo_PlatformType_LAPTOP = 2, MeshCommand_AuthInfo_PlatformType_MOBILE = 3, MeshCommand_AuthInfo_PlatformType_SERVER = 4, MeshCommand_AuthInfo_PlatformType_DISK = 5, MeshCommand_AuthInfo_PlatformType_ROUTER = 6, MeshCommand_AuthInfo_PlatformType_PI = 7, MeshCommand_AuthInfo_PlatformType_VIRTUAL = 8 }MeshCommand_BinaryPacket_AuthInfo_PlatformType; typedef struct MeshCommand_BinaryPacket_AuthInfo { unsigned short command; unsigned int infoVersion; unsigned int agentId; unsigned int agentVersion; unsigned int platformType; char MeshID[UTIL_SHA384_HASHSIZE]; unsigned int capabilities; unsigned short hostnameLen; char hostname[]; }MeshCommand_BinaryPacket_AuthInfo; typedef struct MeshCommand_BinaryPacket_CoreModule { unsigned short command; unsigned short request; char coreModuleHash[UTIL_SHA384_HASHSIZE]; char coreModule[]; }MeshCommand_BinaryPacket_CoreModule; #pragma pack(pop) #define ScriptContainerSettingsKey "\xFF_ScriptContainerSettings" ScriptContainerSettings* ScriptEngine_GetSettings(duk_context *ctx) { ScriptContainerSettings *retVal = NULL; duk_push_heap_stash(ctx); // [stash] if (duk_has_prop_string(ctx, -1, ScriptContainerSettingsKey)) { duk_get_prop_string(ctx, -1, ScriptContainerSettingsKey); // [stash][buffer] retVal = (ScriptContainerSettings*)Duktape_GetBuffer(ctx, -1, NULL); duk_pop_2(ctx); // ... return retVal; } else { duk_pop(ctx); // ... return NULL; } } typedef struct SCRIPT_ENGINE_ISOLATION { unsigned int reserved; MeshAgentHostContainer *agent; ILibProcessPipe_Process process; duk_context *ctx; ILibDuktape_EventEmitter *emitter; void *ScriptContainer; void *OnExit; void *OnError; unsigned int seq; char *containerID; duk_size_t containerIDLen; #ifdef WIN32 char* buffer; int bufferLen; #endif }SCRIPT_ENGINE_ISOLATION; typedef enum SCRIPT_ENGINE_COMMAND { SCRIPT_ENGINE_COMMAND_INIT = 0x01, SCRIPT_ENGINE_COMMAND_EXEC_PATH = 0x02, SCRIPT_ENGINE_COMMAND_EXEC_STR = 0x03, SCRIPT_ENGINE_COMMAND_EXEC_OK = 0x04, SCRIPT_ENGINE_COMMAND_EXEC_ERR = 0xFE, SCRIPT_ENGINE_COMMAND_QUERY = 0x20, SCRIPT_ENGINE_COMMAND_SET = 0x21, SCRIPT_ENGINE_COMMAND_DB_GET = 0x10, SCRIPT_ENGINE_COMMAND_DB_PUT = 0x11, SCRIPT_ENGINE_COMMAND_LOG = 0xFF }SCRIPT_ENGINE_COMMAND; #pragma pack(push, 1) typedef struct SCRIPT_ENGINE_COMMAND_HEADER { unsigned short length; unsigned short cmdType; char data[]; }SCRIPT_ENGINE_COMMAND_HEADER; typedef struct SCRIPT_ENGINE_COMMAND_INIT_DATA { JS_ENGINE_CONTEXT contextGuid; unsigned int securityFlags; unsigned int executionTimeout; }SCRIPT_ENGINE_COMMAND_INIT_DATA; typedef struct SCRIPT_ENGINE_COMMAND_LOG_DATA { ILibRemoteLogging_Modules module; ILibRemoteLogging_Flags flags; char msg[]; }SCRIPT_ENGINE_COMMAND_LOG_DATA; typedef struct SCRIPT_ENGINE_COMMAND_EXEC_ERR_DATA { JS_ENGINE_CONTEXT contextGuid; int seq; char errorMessage[]; }SCRIPT_ENGINE_COMMAND_EXEC_ERR_DATA; typedef struct SCRIPT_ENGINE_COMMAND_EXEC_OK_DATA { JS_ENGINE_CONTEXT contextGuid; int seq; char retVal_JSON[]; }SCRIPT_ENGINE_COMMAND_EXEC_OK_DATA; typedef struct SCRIPT_ENGINE_COMMAND_EXEC_STR_DATA { JS_ENGINE_CONTEXT contextGuid; int seq; char script[]; }SCRIPT_ENGINE_COMMAND_EXEC_STR_DATA; typedef struct SCRIPT_ENGINE_COMMAND_DB_GET_DATA { JS_ENGINE_CONTEXT contextGuid; char key[]; }SCRIPT_ENGINE_COMMAND_DB_GET_DATA; typedef struct SCRIPT_ENGINE_COMMAND_DB_PUT_DATA { JS_ENGINE_CONTEXT contextGuid; int valueOffset; char data[]; }SCRIPT_ENGINE_COMMAND_DB_PUT_DATA; #pragma pack(pop) const char* AgentID_String[24] = { "UNKNOWN", "Windows Console/x86", "Windows Console/x64", "Windows Service/x86", "Windows Service/x64", "Linux/x86", "Linux/x64", "MIPS", "XEN/x86", "Android/ARM", "Linux/ARM", "MAC OS/x86", "Android/x86", "PogoPlug/ARM", "Android (Google Play)", "Linux(Poky)/x86", "MAC OS/x64", "ChromeOS", "Linux(Poky)/x64", "Linux (NoKVM)/x86", "Linux (NoKVM)/x64", "Windows Console (MIN)", "Windows Service (MIN)", "NodeJS" }; typedef enum AGENT_RECORD_TYPE { AGENT_RECORD_TYPE_INIT = 0x00000001, AGENT_RECORD_TYPE_SHARED_DB = 0x00000003, AGENT_RECORD_TYPE_JAVASCRIPT_PAYLOAD = 0x00000004, AGENT_RECORD_TYPE_DATA_SET = 0x00000006, AGENT_RECORD_TYPE_DATA_QUERY = 0x00000008 }AGENT_RECORD_TYPE; typedef struct AGENT_RECORD_HEADER { unsigned int RecordLength; AGENT_RECORD_TYPE RecordType; JS_ENGINE_CONTEXT Context; char Payload[]; }AGENT_RECORD_HEADER; // // Piped Data Layout: // // 4 Bytes: Record Length // 4 Bytes: Record Type // 16 Bytes: Context GUID // Variable: Payload // Payloads ==> // Init Record Payload // 4 Bytes: Security Flags // 4 Bytes: Execution Timeout // Javascript Payload // JS Payload // Shared DB Payload // DB Path // Environment Payload // 2 Bytes: VarLen // 2 Bytes: VarValueLen // Variable: VarName // Variable: VarValue // Data Query // 2 Bytes: QueryLen // Variable: Query void MeshServer_Connect(MeshAgentHostContainer *agent); void MeshServer_ProcessCommand(ILibWebClient_StateObject wcdo, MeshAgentHostContainer *agent, char *buffer, int bufferLen); char ContainerContextGUID[sizeof(JS_ENGINE_CONTEXT) + 1]; void MeshServer_ConnectEx(MeshAgentHostContainer *agent); int agent_VerifyMeshCertificates(MeshAgentHostContainer *agent); void MeshAgent_sendConsoleText(duk_context *ctx, char *format, ...) { char dest[4096]; int len = 0; va_list argptr; if (ctx != NULL && format != NULL) { va_start(argptr, format); len += vsnprintf(dest + len, sizeof(dest) - len, format, argptr); va_end(argptr); if (duk_peval_string(ctx, "require('MeshAgent');") == 0) { duk_get_prop_string(ctx, -1, "SendCommand"); // [agent][SendCommand] duk_swap_top(ctx, -2); // [SendCommand][this] duk_push_object(ctx); // [SendCommand][this][var] duk_push_string(ctx, "msg"); duk_put_prop_string(ctx, -2, "action"); duk_push_string(ctx, "console"); duk_put_prop_string(ctx, -2, "type"); duk_push_string(ctx, dest); duk_put_prop_string(ctx, -2, "value"); if (duk_pcall_method(ctx, 1) != 0) {} } duk_pop(ctx); // ... } } int MeshAgent_GetSystemProxy(MeshAgentHostContainer *agent, char *inBuffer, size_t inBufferLen) { duk_size_t bufferLen = 0; if (duk_peval_string(agent->meshCoreCtx, "require('proxy-helper').getProxy();") == 0) // [string] { char *buffer = (char*)duk_get_lstring(agent->meshCoreCtx, -1, &bufferLen); if (bufferLen <= inBufferLen) { memcpy_s(inBuffer, inBufferLen, buffer, bufferLen); } else { bufferLen = 0; } } duk_pop(agent->meshCoreCtx); // ... return((int)bufferLen); } #ifdef _POSIX size_t MeshAgent_Linux_ReadMemFile(char *path, char **buffer) { size_t i = 0, r, sz = 4096; *buffer = NULL; FILE *f = fopen(path, "rb"); if (f != NULL) { if ((*buffer = malloc(sz)) == NULL) { ILIBCRITICALEXIT(254); } while ((r = fread(*buffer + i, 1, sz - i, f)) > 0) { i += r; if (i == sz) { if ((*buffer = realloc(*buffer, sz + 4096)) == NULL) { ILIBCRITICALEXIT(254); } sz += 4096; } } (*buffer)[i] = 0; fclose(f); } return(i); } int MeshAgent_Helper_CommandLine(char **commands, char **result, int *resultLen) { int bytesRead, x; size_t sz; int inputPipe[2], outputPipe[2]; pid_t pid; if (commands == NULL || result == NULL || resultLen == NULL) { return(-2); } ignore_result(pipe(inputPipe)); ignore_result(pipe(outputPipe)); sigset_t set; ILibVForkPrepareSignals_Parent_Init(&set); pid = vfork(); if (pid < 0) { // error; close(inputPipe[0]); close(inputPipe[1]); close(outputPipe[0]); close(outputPipe[1]); ILibVForkPrepareSignals_Parent_Finished(&set); return(-1); } if (pid == 0) { // child ILibVForkPrepareSignals_Child(); close(inputPipe[1]); // Close Write End of StdIn close(outputPipe[0]); // Close Read End of StdOut dup2(inputPipe[0], STDIN_FILENO); dup2(outputPipe[1], STDOUT_FILENO); dup2(outputPipe[1], STDERR_FILENO); close(inputPipe[0]); close(outputPipe[1]); execv("/bin/sh", (char*[]) {"sh", NULL}); _exit(1); } // parent close(inputPipe[0]); // Close Read End of StdIn close(outputPipe[1]); // Close Write End of StdOut ILibVForkPrepareSignals_Parent_Finished(&set); for (int i = 0; commands[i] != NULL; ++i) { ignore_result(write(inputPipe[1], commands[i], strlen(commands[i]))); } x = 0; sz = 4096; if ((*result = (char*)malloc(sz)) == NULL) { ILIBCRITICALEXIT(254); } while ((bytesRead = read(outputPipe[0], *result + x, sz - x)) > 0) { x += bytesRead; if (x == sz) { if ((*result = realloc(*result, sz + 4096)) == NULL) { ILIBCRITICALEXIT(254); } sz += 4096; } } (*result)[x] = 0; *resultLen = x; waitpid(pid, &bytesRead, 0); return(0); } #endif #ifdef _REMOTELOGGING void MeshAgent_Slave_LogForward(ILibRemoteLogging sender, ILibRemoteLogging_Modules module, ILibRemoteLogging_Flags flags, char *buffer, int bufferLen) { SCRIPT_ENGINE_COMMAND_HEADER* header = (SCRIPT_ENGINE_COMMAND_HEADER*)buffer; buffer[bufferLen] = 0; header->cmdType = SCRIPT_ENGINE_COMMAND_LOG; header->length = bufferLen+1; ((SCRIPT_ENGINE_COMMAND_LOG_DATA*)header->data)->module = module; ((SCRIPT_ENGINE_COMMAND_LOG_DATA*)header->data)->flags = flags; #ifdef WIN32 WriteFile(GetStdHandle(STD_ERROR_HANDLE), (void*)buffer, ((SCRIPT_ENGINE_COMMAND_HEADER*)buffer)->length, &bufferLen, NULL); #else ignore_result(write(STDERR_FILENO, buffer, ((SCRIPT_ENGINE_COMMAND_HEADER*)buffer)->length)); #endif } #endif ILibDuktape_EventEmitter* MeshAgent_GetEventEmitter_FromCTX(duk_context *ctx) { ILibDuktape_EventEmitter* retVal = NULL; duk_push_heap_stash(ctx); // [stash] if (duk_has_prop_string(ctx, -1, MESH_AGENT_SINGLETON)) { duk_get_prop_string(ctx, -1, MESH_AGENT_SINGLETON); // [stash][MeshAgent] retVal = ILibDuktape_EventEmitter_GetEmitter(ctx, -1); duk_pop_2(ctx); // ... } else { duk_pop(ctx); // ... } return retVal; } void MeshAgent_Slave_SendCommand(MeshAgentHostContainer *agent, char *buffer, int bufferLen) { if (agent->slaveMode != 0) { #ifdef WIN32 int writeLen; WriteFile(GetStdHandle(STD_ERROR_HANDLE), (void*)buffer, bufferLen, &writeLen, NULL); #else ignore_result(write(STDERR_FILENO, buffer, bufferLen)); #endif } } // This is used in windows console mode to detect if Intel LMS is running #ifdef WIN32 #ifndef _WINSERVICE int GetServiceState(LPCSTR servicename) { int r = 0; SC_HANDLE serviceControlManager = OpenSCManager(0, 0, SC_MANAGER_CONNECT); if (serviceControlManager) { SC_HANDLE service = OpenService(serviceControlManager, servicename, SERVICE_QUERY_STATUS | DELETE); if (service) { SERVICE_STATUS serviceStatusEx; if (QueryServiceStatus(service, &serviceStatusEx)) { r = serviceStatusEx.dwCurrentState; } CloseServiceHandle(service); } else { r = 100; } CloseServiceHandle(serviceControlManager); } return r; } #else extern int GetServiceState(LPCSTR servicename); #endif #endif /* ------------------------------ Begin Mesh Agent Multicast Support This is used only when "MeshServer=local" in .msh policy file --------------------------------*/ // Called when a UDP packet is received void UDPSocket_OnData(ILibAsyncUDPSocket_SocketModule socketModule, char* buffer, int bufferLength, struct sockaddr_in6 *remoteInterface, void *user, void *user2, int *PAUSE) { //int isLoopback; char* packet; int packetLen; MeshAgentHostContainer *agentHost = (MeshAgentHostContainer*)user; if (!(bufferLength < SERVER_DISCOVERY_BUFFER_SIZE)) { return; } UNREFERENCED_PARAMETER(socketModule); UNREFERENCED_PARAMETER(user); UNREFERENCED_PARAMETER(user2); UNREFERENCED_PARAMETER(PAUSE); // Perform basic checks before processing this packet if (remoteInterface->sin6_family != AF_INET && remoteInterface->sin6_family != AF_INET6) return; //isLoopback = ILibIsLoopback((struct sockaddr*)remoteInterface); #ifndef MICROSTACK_NOTLS // If the discovery key is set, use it to decrypt the packet if (agentHost->multicastDiscoveryKey != NULL) { EVP_CIPHER_CTX *dec_ctx; int declength = 0; // // First 16 bytes of the messages are the initialization vector (IV). // Message must be 17 bytes in length at a minimum. // There must enough extra room to fit one AES block (16 bytes) worth of padding // if (bufferLength < 17 || bufferLength > (SERVER_DISCOVERY_BUFFER_SIZE - 16)) return; // Decrypt the packet using AES256-CBC dec_ctx = EVP_CIPHER_CTX_new(); EVP_DecryptInit(dec_ctx, EVP_aes_256_cbc(), agentHost->multicastDiscoveryKey, (unsigned char*)buffer); if (!EVP_DecryptUpdate(dec_ctx, (unsigned char*)ILibScratchPad, &declength, (unsigned char*)(buffer + 16), bufferLength - 16)) { EVP_CIPHER_CTX_free(dec_ctx); return; } packetLen = declength; if (!EVP_DecryptFinal_ex(dec_ctx, (unsigned char*)(ILibScratchPad + packetLen), &declength)) { EVP_CIPHER_CTX_free(dec_ctx); return; } packetLen += declength; packet = ILibScratchPad; EVP_CIPHER_CTX_free(dec_ctx); packet[packetLen] = 0; } else #endif { // Assume UDP Packet is not encrypted packet = buffer; packetLen = bufferLength; packet[packetLen] = 0; } // Check if this is a Mesh Server discovery packet and it is for our server // It will have this form: "MeshCentral2|f5a50091028fe2c122434cbcbd2709a7ec10369295e5a0e43db8853a413d89df|wss://~:443/agent.ashx" if ((packetLen > 109) && (memcmp(packet, "MeshCentral2|", 13) == 0) && ((ILibSimpleDataStore_Get(agentHost->masterDb, "ServerID", ILibScratchPad2, sizeof(ILibScratchPad2))) == 97) && (memcmp(ILibScratchPad2, packet + 13, 96) == 0)) { // We have a match, set the server URL correctly. if (agentHost->multicastServerUrl != NULL) { free(agentHost->multicastServerUrl); agentHost->multicastServerUrl = NULL; } ILibInet_ntop2((struct sockaddr*)remoteInterface, (char*)ILibScratchPad2, sizeof(ILibScratchPad)); agentHost->multicastServerUrl = ILibString_Replace(packet + 78 + 32, packetLen - 78 - 32, "%s", 2, (char*)ILibScratchPad2, (int)strnlen_s((char*)ILibScratchPad2, sizeof(ILibScratchPad2))); //printf("FoundServer: %s\r\n", agentHost->multicastServerUrl); if (agentHost->serverConnectionState == 0) { MeshServer_ConnectEx(agentHost); } } } /* ------------------------------ Begin Mesh Agent Duktape Abstraction --------------------------------*/ duk_ret_t ILibDuktape_MeshAgent_AddCommandHandler(duk_context *ctx) { duk_push_this(ctx); // [agent] duk_get_prop_string(ctx, -1, "on"); // [agent][on] duk_swap_top(ctx, -2); // [on][this] duk_push_string(ctx, "Command"); // [on][this][Command] duk_dup(ctx, 0); // [on][this][Command][listener] duk_call_method(ctx, 2); return 0; } duk_ret_t ILibDuktape_MeshAgent_AddConnectHandler(duk_context *ctx) { duk_push_this(ctx); // [agent] duk_get_prop_string(ctx, -1, "on"); // [agent][on] duk_swap_top(ctx, -2); // [on][this] duk_push_string(ctx, "Connected"); // [on][this][connected] duk_dup(ctx, 0); // [on][this][connected][listener] duk_call_method(ctx, 2); return 0; } duk_ret_t ILibDuktape_MeshAgent_Finalizer(duk_context *ctx) { return 0; } duk_ret_t ILibDuktape_MeshAgent_GenerateCertificate(duk_context *ctx) { #ifdef MICROSTACK_NOTLS return ILibDuktape_Error(ctx, "MeshAgent.generateCertificate(): Error, OpenSSL Support Disabled"); #else char *passphrase = (char*)duk_require_string(ctx, 0); int len; struct util_cert cert; char *data; #ifdef _REMOTELOGGING MeshAgentHostContainer *agent; duk_push_this(ctx); // [agent] duk_get_prop_string(ctx, -1, MESH_AGENT_PTR); // [agent][ptr] agent = (MeshAgentHostContainer*)duk_get_pointer(ctx, -1); // Generate a new TLS certificate ILibRemoteLogging_printf(ILibChainGetLogger(agent->chain), ILibRemoteLogging_Modules_Agent_GuardPost, ILibRemoteLogging_Flags_VerbosityLevel_1, "...Generating JS TLS Certificate"); #endif SSL_TRACE1("ILibDuktape_MeshAgent_GenerateCertificate()"); if (util_mkCert(NULL, &(cert), 3072, 10000, "localhost", CERTIFICATE_TLS_CLIENT, NULL) == 0) { return(ILibDuktape_Error(ctx, "Error Generating Certificate")); } len = util_to_p12(cert, passphrase, &data); duk_push_fixed_buffer(ctx, len); memcpy_s((void*)Duktape_GetBuffer(ctx, -1, NULL), len, data, len); util_free(data); util_freecert(&cert); SSL_TRACE2("ILibDuktape_MeshAgent_GenerateCertificate()"); passphrase = NULL; return 1; #endif } // Javascript SendCommand(obj), send some data to the MeshCentral server // This method can handle buffers, string or objects as input. duk_ret_t ILibDuktape_MeshAgent_SendCommand(duk_context *ctx) { MeshAgentHostContainer *agent; char *buffer; duk_size_t bufferLen; // Get the pointer to the agent object duk_push_this(ctx); // [MeshAgent] duk_get_prop_string(ctx, -1, MESH_AGENT_PTR); // [MeshAgent][Ptr] agent = (MeshAgentHostContainer*)duk_get_pointer(ctx, -1); if (agent->controlChannel == NULL) { duk_push_int(ctx, (int)ILibTransport_DoneState_ERROR); // Agent not connected } #ifndef MICROSTACK_NOTLS else if (agent->serverAuthState != 3) { // Server connection is not authenticated, SendCommand is not allowed. duk_push_int(ctx, (int)ILibTransport_DoneState_ERROR); } #endif else if (duk_is_buffer(ctx, 0) || duk_is_buffer_data(ctx, 0)) { // We are trying to send a buffer buffer = Duktape_GetBuffer(ctx, 0, &bufferLen); if (bufferLen > 0) { duk_push_int(ctx, (int)ILibWebClient_WebSocket_Send(agent->controlChannel, buffer[0] == '{' ? ILibWebClient_WebSocket_DataType_TEXT : ILibWebClient_WebSocket_DataType_BINARY, buffer, (int)bufferLen, ILibAsyncSocket_MemoryOwnership_USER, ILibWebClient_WebSocket_FragmentFlag_Complete)); } else { duk_push_int(ctx, (int)ILibTransport_DoneState_ERROR); } } else if (duk_is_string(ctx, 0)) { // We are trying to send a string buffer = (char*)duk_get_lstring(ctx, 0, &bufferLen); duk_push_int(ctx, (int)ILibWebClient_WebSocket_Send(agent->controlChannel, ILibWebClient_WebSocket_DataType_TEXT, buffer, (int)bufferLen, ILibAsyncSocket_MemoryOwnership_USER, ILibWebClient_WebSocket_FragmentFlag_Complete)); } else { // We are trying to send an object, perform JSON serialization first duk_dup(ctx, 0); // [object] duk_json_encode(ctx, -1); // [json] buffer = (char*)duk_get_lstring(ctx, -1, &bufferLen); duk_push_int(ctx, (int)ILibWebClient_WebSocket_Send(agent->controlChannel, ILibWebClient_WebSocket_DataType_TEXT, buffer, (int)bufferLen, ILibAsyncSocket_MemoryOwnership_USER, ILibWebClient_WebSocket_FragmentFlag_Complete)); } return 1; } void ILibDuktape_MeshAgent_Ready(ILibDuktape_EventEmitter *sender, char *eventName, void *hookedCallback) { MeshAgentHostContainer *agent; duk_push_heapptr(sender->ctx, sender->object); // [agent] duk_get_prop_string(sender->ctx, -1, MESH_AGENT_PTR); // [MeshAgent][ptr] agent = (MeshAgentHostContainer*)duk_get_pointer(sender->ctx, -1); duk_pop(sender->ctx); // [MeshAgent] if (agent->controlChannel != NULL) { // MeshAgent is already 'Ready' duk_push_heapptr(sender->ctx, hookedCallback); // [MeshAgent][callback] duk_swap_top(sender->ctx, -2); // [callback][this] if (duk_pcall_method(sender->ctx, 0) != 0) { ILibDuktape_Process_UncaughtExceptionEx(sender->ctx, "Error: MeshAgent_OnReady"); } } duk_pop(sender->ctx); // ... } #ifdef _LINKVM ILibTransport_DoneState ILibDuktape_MeshAgent_RemoteDesktop_KVM_WriteSink(char *buffer, int bufferLen, void *reserved) { RemoteDesktop_Ptrs *ptrs = (RemoteDesktop_Ptrs*)reserved; if (!ILibMemory_CanaryOK(ptrs)) { return(ILibTransport_DoneState_ERROR); } if (ptrs->stream != NULL) { if (ILibDuktape_DuplexStream_WriteData(ptrs->stream, buffer, bufferLen) != ILibTransport_DoneState_ERROR) { return ILibTransport_DoneState_COMPLETE; // Always returning complete, because we'll let the stream object handle flow control } else { return ILibTransport_DoneState_ERROR; } } return ILibTransport_DoneState_ERROR; } ILibTransport_DoneState ILibDuktape_MeshAgent_RemoteDesktop_WriteSink(ILibDuktape_DuplexStream *stream, char *buffer, int bufferLen, void *user) { #ifdef _LINKVM #ifdef WIN32 kvm_relay_feeddata(buffer, bufferLen, ILibDuktape_MeshAgent_RemoteDesktop_KVM_WriteSink, user); #else #ifdef __APPLE__ if (((RemoteDesktop_Ptrs*)user)->kvmPipe == NULL) { // Write to AF_UNIX Domain Socket duk_push_external_buffer(stream->writableStream->ctx); // [ext] duk_config_buffer(stream->writableStream->ctx, -1, buffer, (duk_size_t)bufferLen); duk_push_heapptr(stream->writableStream->ctx, stream->writableStream->obj); // [ext][rd] duk_get_prop_string(stream->writableStream->ctx, -1, KVM_IPC_SOCKET); // [ext][rd][IPC] duk_get_prop_string(stream->writableStream->ctx, -1, "write"); // [ext][rd][IPC][write] duk_swap_top(stream->writableStream->ctx, -2); // [ext][rd][write][this] duk_push_buffer_object(stream->writableStream->ctx, -4, 0, (duk_size_t)bufferLen, DUK_BUFOBJ_NODEJS_BUFFER);// [ext][rd][write][this][buffer] if (duk_pcall_method(stream->writableStream->ctx, 1) != 0) { ILibDuktape_Process_UncaughtExceptionEx(stream->writableStream->ctx, "Error Writing Data"); } // [ext][rd][ret] duk_pop_n(stream->writableStream->ctx, 3); // ... } else #endif { kvm_relay_feeddata(buffer, bufferLen); } #endif #endif return ILibTransport_DoneState_COMPLETE; } void ILibDuktape_MeshAgent_RemoteDesktop_EndSink(ILibDuktape_DuplexStream *stream, void *user) { // Peer disconnected the data channel RemoteDesktop_Ptrs *ptrs = (RemoteDesktop_Ptrs*)user; if (ptrs->ctx != NULL) { duk_push_heapptr(ptrs->ctx, ptrs->MeshAgentObject); // [MeshAgent] duk_get_prop_string(ptrs->ctx, -1, REMOTE_DESKTOP_STREAM); // [MeshAgent][RD] if (duk_has_prop_string(ptrs->ctx, -1, KVM_IPC_SOCKET)) { duk_get_prop_string(ptrs->ctx, -1, KVM_IPC_SOCKET); // [MeshAgent][RD][IPC] duk_get_prop_string(ptrs->ctx, -1, "end"); // [MeshAgent][RD][IPC][end] duk_swap_top(ptrs->ctx, -2); // [MeshAgent][RD][end][this] duk_pcall_method(ptrs->ctx, 0); duk_pop(ptrs->ctx); // [MeshAgent][RD] duk_peval_string(ptrs->ctx, "require('MeshAgent').SendCommand({ 'action': 'msg', 'type' : 'console', 'value' : 'Closing IPC Socket' });"); duk_pop(ptrs->ctx); } duk_pop(ptrs->ctx); // [MeshAgent] duk_del_prop_string(ptrs->ctx, -1, REMOTE_DESKTOP_STREAM); duk_pop(ptrs->ctx); // ... memset(ptrs, 0, sizeof(RemoteDesktop_Ptrs)); } kvm_cleanup(); } void ILibDuktape_MeshAgent_RemoteDesktop_PauseSink(ILibDuktape_DuplexStream *sender, void *user) { //printf("KVM/PAUSE\n"); #ifdef _POSIX if (((RemoteDesktop_Ptrs*)user)->kvmPipe != NULL) { ILibProcessPipe_Pipe_Pause(((RemoteDesktop_Ptrs*)user)->kvmPipe); } #ifdef __APPLE__ else { duk_push_heapptr(sender->writableStream->ctx, sender->writableStream->obj); // [rd] duk_get_prop_string(sender->writableStream->ctx, -1, KVM_IPC_SOCKET); // [rd][IPC] duk_get_prop_string(sender->writableStream->ctx, -1, "pause"); // [rd][IPC][pause] duk_swap_top(sender->writableStream->ctx, -2); // [rd][pause][this] duk_pcall_method(sender->writableStream->ctx, 0); // [rd][ret] duk_pop_2(sender->writableStream->ctx); // ... } #endif #else kvm_pause(1); #endif } void ILibDuktape_MeshAgent_RemoteDesktop_ResumeSink(ILibDuktape_DuplexStream *sender, void *user) { //printf("KVM/RESUME\n"); #ifdef _POSIX if (((RemoteDesktop_Ptrs*)user)->kvmPipe != NULL) { ILibProcessPipe_Pipe_Resume(((RemoteDesktop_Ptrs*)user)->kvmPipe); } #ifdef __APPLE__ else { duk_push_heapptr(sender->writableStream->ctx, sender->writableStream->obj); // [rd] duk_get_prop_string(sender->writableStream->ctx, -1, KVM_IPC_SOCKET); // [rd][IPC] duk_get_prop_string(sender->writableStream->ctx, -1, "resume"); // [rd][IPC][resume] duk_swap_top(sender->writableStream->ctx, -2); // [rd][resume][this] duk_pcall_method(sender->writableStream->ctx, 0); // [rd][ret] duk_pop_2(sender->writableStream->ctx); // ... } #endif #else kvm_pause(0); #endif } duk_ret_t ILibDuktape_MeshAgent_RemoteDesktop_Finalizer(duk_context *ctx) { RemoteDesktop_Ptrs *ptrs; duk_get_prop_string(ctx, 0, REMOTE_DESKTOP_ptrs); ptrs = (RemoteDesktop_Ptrs*)Duktape_GetBuffer(ctx, -1, NULL); if (ptrs->ctx != NULL) { duk_push_heapptr(ptrs->ctx, ptrs->MeshAgentObject); // [MeshAgent] duk_del_prop_string(ptrs->ctx, -1, REMOTE_DESKTOP_STREAM); duk_pop(ptrs->ctx); // ... #ifdef _LINKVM kvm_cleanup(); #endif } return 0; } void ILibDuktape_MeshAgent_RemoteDesktop_PipeHook(ILibDuktape_readableStream *stream, void *wstream, void *user) { #ifdef _LINKVM #ifdef WIN32 ILibDuktape_DuplexStream *ds = (ILibDuktape_DuplexStream*)user; kvm_relay_reset(ILibDuktape_MeshAgent_RemoteDesktop_KVM_WriteSink, ds->user); #else kvm_relay_reset(); #endif #else UNREFERENCED_PARAMETER(stream); UNREFERENCED_PARAMETER(user); #endif } #endif int ILibDuktape_MeshAgent_remoteDesktop_unshiftSink(ILibDuktape_DuplexStream *sender, int unshiftBytes, void *user) { return(0); } #ifdef __APPLE__ duk_ret_t ILibDuktape_MeshAgent_getRemoteDesktop_DomainIPC_EndSink(duk_context *ctx) { MeshAgent_sendConsoleText(ctx, "IPC Connection Closed..."); duk_push_this(ctx); RemoteDesktop_Ptrs *ptrs = (RemoteDesktop_Ptrs*)Duktape_GetPointerProperty(ctx, -1, KVM_IPC_SOCKET); // Check to see if there is a user logged in if (duk_peval_string(ctx, "require('user-sessions').consoleUid()") == 0) { int console_uid = duk_get_int(ctx, -1); char tmp[255]; sprintf_s(tmp, sizeof(tmp), "User id: %d has logged in", console_uid); MeshAgent_sendConsoleText(ctx, tmp); duk_push_heapptr(ctx, ptrs->MeshAgentObject); duk_get_prop_string(ctx, -1, MESH_AGENT_PTR); MeshAgentHostContainer *agent = (MeshAgentHostContainer*)duk_get_pointer(ctx, -1); if (ptrs != NULL && ptrs->ctx != NULL && ptrs->stream != NULL) { ptrs->kvmPipe = kvm_relay_setup(agent->exePath, agent->pipeManager, ILibDuktape_MeshAgent_RemoteDesktop_KVM_WriteSink, ptrs, console_uid); } } else { if (ptrs != NULL && ptrs->ctx != NULL && ptrs->stream != NULL) { ILibDuktape_DuplexStream_WriteEnd(ptrs->stream); } } return(0); } duk_ret_t ILibDuktape_MeshAgent_getRemoteDesktop_DomainIPC_DataSink(duk_context *ctx) { duk_push_this(ctx); RemoteDesktop_Ptrs *ptrs = (RemoteDesktop_Ptrs*)Duktape_GetPointerProperty(ctx, -1, KVM_IPC_SOCKET); char *buffer; duk_size_t bufferLen, consumed = 0; unsigned short size; buffer = (char*)Duktape_GetBuffer(ctx, 0, &bufferLen); // We need to properly frame the data before we propagate it up if (bufferLen > 4) { size = ntohs(((unsigned short*)(buffer))[1]); if (size <= bufferLen) { // We have all the data, to be able to frame it consumed = size; ILibDuktape_MeshAgent_RemoteDesktop_KVM_WriteSink(buffer, (int)size, ptrs); } } if ((bufferLen - consumed) > 0) { // We need to unshift() the remainder to continue processing duk_push_external_buffer(ctx); // [ext] duk_config_buffer(ctx, -1, buffer, bufferLen - consumed); duk_push_this(ctx); // [ext][IPC] duk_get_prop_string(ctx, -1, "unshift"); // [ext][IPC][unshift] duk_swap_top(ctx, -2); // [ext][unshift][this] duk_push_buffer_object(ctx, -3, 0, bufferLen - consumed, DUK_BUFOBJ_NODEJS_BUFFER); // [ext][unshift][this][buffer] duk_call_method(ctx, 1); // [ext][ret] } return(0); } duk_ret_t ILibDuktape_MeshAgent_getRemoteDesktop_DomainIPC_Sink(duk_context *ctx) { // This is called when we successfully attach an IPC Domain Socket to the Windows Server, running in the LoginWindow context RemoteDesktop_Ptrs *ptrs; MeshAgent_sendConsoleText(ctx, "IPC Connection Established..."); duk_push_current_function(ctx); ptrs = (RemoteDesktop_Ptrs*)Duktape_GetPointerProperty(ctx, -1, "ptrs"); duk_push_this(ctx); duk_push_pointer(ctx, ptrs); duk_put_prop_string(ctx, -2, KVM_IPC_SOCKET); ILibDuktape_EventEmitter_AddOnEx(ctx, -1, "data", ILibDuktape_MeshAgent_getRemoteDesktop_DomainIPC_DataSink); ILibDuktape_EventEmitter_AddOnEx(ctx, -1, "end", ILibDuktape_MeshAgent_getRemoteDesktop_DomainIPC_EndSink); return(0); } #endif #if defined(_LINKVM) && defined(_POSIX) && !defined(__APPLE__) void ILibDuktape_MeshAgent_RemoteDesktop_SendError(RemoteDesktop_Ptrs* ptrs, char *msg) { int msgLen = strnlen_s(msg, 255); char buffer[512]; ((unsigned short*)buffer)[0] = (unsigned short)htons((unsigned short)MNG_ERROR); // Write the type ((unsigned short*)buffer)[1] = (unsigned short)htons((unsigned short)(msgLen + 4)); // Write the size memcpy_s(buffer + 4, 512 - 4, msg, msgLen); ILibDuktape_MeshAgent_RemoteDesktop_KVM_WriteSink(buffer, msgLen + 4, ptrs); } #endif #if defined(_POSIX) && defined(_LINKVM) && !defined(__APPLE__) extern void* kvm_relay_restart(int paused, void *processPipeMgr, ILibKVM_WriteHandler writeHandler, void *reserved, int uid, char* authToken, char *dispid); duk_ret_t ILibDuktape_MeshAgent_userChanged(duk_context *ctx) { char *d, *x; void *s; RemoteDesktop_Ptrs *ptrs; MeshAgentHostContainer *agent; duk_eval_string(ctx, "require('MeshAgent')"); // [MeshAgent] agent = (MeshAgentHostContainer*)Duktape_GetPointerProperty(ctx, -1, MESH_AGENT_PTR); if (!duk_has_prop_string(ctx, -1, REMOTE_DESKTOP_STREAM)) { return(0); } duk_get_prop_string(ctx, -1, REMOTE_DESKTOP_STREAM); // [MeshAgent][stream] s = duk_get_heapptr(ctx, -1); duk_get_prop_string(ctx, -1, REMOTE_DESKTOP_ptrs); ptrs = (RemoteDesktop_Ptrs*)Duktape_GetBuffer(ctx, -1, NULL); // [MeshAgent][stream][ptrs] duk_peval_string(ctx, "require('user-sessions').consoleUid()"); int id = duk_to_int(ctx, -1); duk_eval_string(ctx, "require('monitor-info')"); //[uid][monitor-info] duk_get_prop_string(ctx, -1, "getXInfo"); //[uid][monitor-info][getXInfo] duk_swap_top(ctx, -2); //[uid][getXInfo][this] duk_dup(ctx, -3); //[uid][getXInfo][this][uid] if (duk_pcall_method(ctx, 1) != 0) { duk_eval_string(ctx, "console.log('error');"); return(0); } //[uid][xinfo] x = Duktape_GetStringPropertyValue(ctx, -1, "xauthority", NULL); d = Duktape_GetStringPropertyValue(ctx, -1, "display", NULL); duk_push_heapptr(ctx, s); // [stream] duk_push_int(ctx, id); // [stream][id] duk_put_prop_string(ctx, -2, REMOTE_DESKTOP_UID); // [stream] duk_pop(ctx); // ... ILibProcessPipe_Pipe_SetBrokenPipeHandler(ptrs->kvmPipe, NULL); ptrs->kvmPipe = kvm_relay_restart(0, agent->pipeManager, ILibDuktape_MeshAgent_RemoteDesktop_KVM_WriteSink, ptrs, id, x, d); return(0); } #endif duk_ret_t ILibDuktape_MeshAgent_getRemoteDesktop(duk_context *ctx) { #ifndef _LINKVM duk_push_null(ctx); return 1; #else RemoteDesktop_Ptrs *ptrs; MeshAgentHostContainer *agent; #ifdef WIN32 int TSID = duk_is_number(ctx, 0) ? duk_require_int(ctx, 0) : -1; #endif #if !defined(WIN32) && !defined(__APPLE__) if (duk_peval_string(ctx, "require('monitor-info')") == 0) { char *libx11 = Duktape_GetStringPropertyValue(ctx, -1, "Location_X11LIB", NULL); char *libx11tst = Duktape_GetStringPropertyValue(ctx, -1, "Location_X11TST", NULL); char *libx11ext = Duktape_GetStringPropertyValue(ctx, -1, "Location_X11EXT", NULL); char *libxfixes = Duktape_GetStringPropertyValue(ctx, -1, "Location_X11FIXES", NULL); kvm_set_x11_locations(libx11, libx11tst, libx11ext, libxfixes); } #endif duk_push_this(ctx); // [MeshAgent] if (duk_has_prop_string(ctx, -1, REMOTE_DESKTOP_STREAM)) { duk_get_prop_string(ctx, -1, REMOTE_DESKTOP_STREAM); // [MeshAgent][RemoteDesktop] duk_get_prop_string(ctx, -1, REMOTE_DESKTOP_ptrs); ptrs = (RemoteDesktop_Ptrs*)Duktape_GetBuffer(ctx, -1, NULL); duk_pop(ctx); return 1; } #ifdef __APPLE__ duk_peval_string_noresult(ctx, "require('power-monitor').wakeDisplay();"); #endif duk_get_prop_string(ctx, -1, MESH_AGENT_PTR); agent = (MeshAgentHostContainer*)duk_get_pointer(ctx, -1); duk_pop(ctx); duk_push_object(ctx); // [MeshAgent][RemoteDesktop] ILibDuktape_WriteID(ctx, "MeshAgent.kvmSession"); duk_dup(ctx, -1); // [MeshAgent][RemoteDesktop][RemoteDesktop] duk_put_prop_string(ctx, -3, REMOTE_DESKTOP_STREAM); // [MeshAgent][RemoteDesktop] ptrs = (RemoteDesktop_Ptrs*)Duktape_PushBuffer(ctx, sizeof(RemoteDesktop_Ptrs));// [MeshAgent][RemoteDesktop][buffer] duk_put_prop_string(ctx, -2, REMOTE_DESKTOP_ptrs); // [MeshAgent][RemoteDesktop] memset(ptrs, 0, sizeof(RemoteDesktop_Ptrs)); ptrs->MeshAgentObject = duk_get_heapptr(ctx, -2); ptrs->ctx = ctx; ptrs->object = duk_get_heapptr(ctx, -1); ptrs->stream = ILibDuktape_DuplexStream_InitEx(ctx, ILibDuktape_MeshAgent_RemoteDesktop_WriteSink, ILibDuktape_MeshAgent_RemoteDesktop_EndSink, ILibDuktape_MeshAgent_RemoteDesktop_PauseSink, ILibDuktape_MeshAgent_RemoteDesktop_ResumeSink, ILibDuktape_MeshAgent_remoteDesktop_unshiftSink, ptrs); ILibDuktape_CreateFinalizer(ctx, ILibDuktape_MeshAgent_RemoteDesktop_Finalizer); ptrs->stream->readableStream->PipeHookHandler = ILibDuktape_MeshAgent_RemoteDesktop_PipeHook; // Setup Remote Desktop #ifdef WIN32 #ifdef _WINSERVICE kvm_relay_setup(agent->exePath, agent->runningAsConsole ? NULL : agent->pipeManager, ILibDuktape_MeshAgent_RemoteDesktop_KVM_WriteSink, ptrs, TSID); #else kvm_relay_setup(agent->exePath, NULL, ILibDuktape_MeshAgent_RemoteDesktop_KVM_WriteSink, ptrs, TSID); #endif #else int console_uid = 0; if (duk_peval_string(ctx, "require('user-sessions').consoleUid();") == 0) { console_uid = duk_get_int(ctx, -1); } duk_pop(ctx); #ifdef __APPLE__ // MacOS if (console_uid == 0) { MeshAgent_sendConsoleText(ctx, "Establishing IPC-x-Connection to LoginWindow for KVM"); char *ipc = (char*)kvm_relay_setup(agent->exePath, agent->pipeManager, ILibDuktape_MeshAgent_RemoteDesktop_KVM_WriteSink, ptrs, console_uid); duk_eval_string(ctx, "require('net');"); // [rd][net] duk_get_prop_string(ctx, -1, "createConnection"); // [rd][net][createConnection] duk_swap_top(ctx, -2); // [rd][createConnection][this] duk_push_object(ctx); // [rd][createConnection][this][options] duk_push_string(ctx, ipc); duk_put_prop_string(ctx, -2, "path"); // [rd][createConnection][this][options] duk_push_c_function(ctx, ILibDuktape_MeshAgent_getRemoteDesktop_DomainIPC_Sink, DUK_VARARGS); // [rd][createConnection][this][options][callback] duk_push_pointer(ctx, ptrs); duk_put_prop_string(ctx, -2, "ptrs"); duk_call_method(ctx, 2); // [rd][icpSocket] duk_put_prop_string(ctx, -2, KVM_IPC_SOCKET); // [rd] //ptrs->kvmDomainSocket = (int)(uint64_t)kvm_relay_setup(agent->exePath, agent->pipeManager, ILibDuktape_MeshAgent_RemoteDesktop_KVM_WriteSink, ptrs, console_uid); } else { ptrs->kvmPipe = kvm_relay_setup(agent->exePath, agent->pipeManager, ILibDuktape_MeshAgent_RemoteDesktop_KVM_WriteSink, ptrs, console_uid); } #else duk_push_int(ctx, console_uid); duk_put_prop_string(ctx, -2, REMOTE_DESKTOP_UID); duk_push_this(ctx); // [MeshAgent] if (!duk_has_prop_string(ctx, -1, MESH_USER_CHANGED_CB)) { duk_eval_string(ctx, "require('user-sessions')"); // [MeshAgent][usersessions] duk_get_prop_string(ctx, -1, "on"); // [MeshAgent][usersessions][on] duk_swap_top(ctx, -2); // [MeshAgent][on][this] duk_push_string(ctx, "changed"); // [MeshAgent][on][this][changed] duk_push_c_function(ctx, ILibDuktape_MeshAgent_userChanged, DUK_VARARGS); // [MeshAgent][on][this][changed][func] duk_dup(ctx, -5); // [MeshAgent][on][this][changed][func][MeshAgent] duk_dup(ctx, -2); // [MeshAgent][on][this][changed][func][MeshAgent][func] duk_put_prop_string(ctx, -2, MESH_USER_CHANGED_CB); // [MeshAgent][on][this][changed][func][MeshAgent] duk_pop(ctx); // [MeshAgent][on][this][changed][func] duk_call_method(ctx, 2); duk_pop(ctx); // [MeshAgent] } duk_pop(ctx); // ... // For Linux, we need to determine where the XAUTHORITY is: char *updateXAuth = NULL; char *updateDisplay = NULL; char *xdm = NULL; int needPop = 0; duk_eval_string(ctx, "require('user-sessions').Self()"); int self = duk_get_int(ctx, -1); duk_pop(ctx); if (self==0 || getenv("XAUTHORITY") == NULL || getenv("DISPLAY") == NULL) { if (duk_peval_string(ctx, "require('monitor-info').getXInfo") == 0) { duk_push_int(ctx, console_uid); if (duk_pcall(ctx, 1) == 0) { if (!duk_is_null(ctx, -1)) { updateXAuth = Duktape_GetStringPropertyValue(ctx, -1, "xauthority", NULL); updateDisplay = Duktape_GetStringPropertyValue(ctx, -1, "display", NULL); xdm = Duktape_GetStringPropertyValue(ctx, -1, "xdm", ""); if (strcmp(xdm, "xwayland") == 0) { ILibDuktape_MeshAgent_RemoteDesktop_SendError(ptrs, "This platform is configured to use Xwayland"); ILibDuktape_MeshAgent_RemoteDesktop_SendError(ptrs, "please modify config to use Xorg"); duk_pop(ctx); return(1); } if (console_uid != 0 && updateXAuth == NULL) { ILibDuktape_MeshAgent_RemoteDesktop_SendError(ptrs, "Xauthority not found! Is your DM configured to use X?"); duk_pop(ctx); return(1); } } else { if (console_uid != 0) { ILibDuktape_MeshAgent_RemoteDesktop_SendError(ptrs, "This system does not appear to have an XServer running"); } else { ILibDuktape_MeshAgent_RemoteDesktop_SendError(ptrs, "This system does not appear to have an XServer instance running when no users are logged in"); } } } else { MeshAgent_sendConsoleText(ctx, "Error trying to determine XAUTHORITY/DISPLAY: %s ", duk_safe_to_string(ctx, -1)); } } else { MeshAgent_sendConsoleText(ctx, "Error trying to determine XAUTHORITY/DISPLAY: %s ", duk_safe_to_string(ctx, -1)); } needPop = 1; } //MeshAgent_sendConsoleText(ctx, "Using uid: %d, XAUTHORITY: %s\n", console_uid, getenv("XAUTHORITY")==NULL? updateXAuth : getenv("XAUTHORITY")); ptrs->kvmPipe = kvm_relay_setup(agent->pipeManager, ILibDuktape_MeshAgent_RemoteDesktop_KVM_WriteSink, ptrs, console_uid, updateXAuth, updateDisplay); if (needPop!= 0) {duk_pop(ctx); } #endif #endif return 1; #endif } duk_ret_t ILibDuktape_MeshAgent_ConnectedServer(duk_context *ctx) { int len; MeshAgentHostContainer *agent; duk_push_this(ctx); duk_get_prop_string(ctx, -1, MESH_AGENT_PTR); agent = (MeshAgentHostContainer*)duk_get_pointer(ctx, -1); #ifndef MICROSTACK_NOTLS if (agent->controlChannel != NULL && agent->serverAuthState == 3) #else if (agent->controlChannel != NULL) #endif { len = ILibSimpleDataStore_Get(agent->masterDb, "MeshServer", ILibScratchPad2, sizeof(ILibScratchPad2)); if (len == 0) { duk_push_null(ctx); return 1; } parser_result *rs = ILibParseString(ILibScratchPad2, 0, len, ",", 1); parser_result_field *f = ILibParseString_GetResultIndex(rs, agent->serverIndex); f->datalength = ILibTrimString(&(f->data), f->datalength); f->data[f->datalength] = 0; duk_push_lstring(ctx, f->data, f->datalength); ILibDestructParserResults(rs); } else { duk_push_null(ctx); } return 1; } duk_ret_t ILibDuktape_MeshAgent_NetInfo(duk_context *ctx) { #if defined(__APPLE__) || defined(_FREEBSD) char getGatewayInfo[] = "(function _getGatewayInfo(){\ var gwname;\ var child = require('child_process').execFile('/bin/sh', ['sh']);\ child.stdout.str = ''; child.stdout.on('data', function (c) { this.str += c.toString(); });\ child.stdin.write('route get default | grep gateway: | awk -F: \\'{ gsub(/^[ \t]/, \"\", $2); print $2; }\\'\\nexit\\n');\ child.waitExit();\ gwname = child.stdout.str.trim();\ child = require('child_process').execFile('/bin/sh', ['sh']); \ child.stdout.str = ''; child.stdout.on('data', function(c) { this.str += c.toString(); }); \ child.stdin.write('arp -n ' + gwname + ' | awk \\'{ split($2,tok1,\")\"); split(tok1[1],tok2,\"(\"); printf \"%s,%s,%s\", $6,$4,tok2[2]; }\\'\\nexit\\n');\ child.waitExit();\ var tmp = child.stdout.str.trim().split(',');\ child = require('child_process').execFile('/bin/sh', ['sh']);\ child.stdout.str = ''; child.stdout.on('data', function (c) { this.str += c.toString(); });\ child.stdin.write('networksetup -listallhardwareports | tr \\'\\\\n\\' \\'`\\' | awk -F\\'`\\' \\'');\ child.stdin.write('{ ');\ child.stdin.write(' for(i=3;i 0) { duk_push_lstring(ctx, data, len); duk_json_decode(ctx, -1); free(data); } else { duk_push_null(ctx); } return 1; #endif } // Javascript ExecPowerState(int), executes power state command on the computer (Sleep, Hibernate...) duk_ret_t ILibDuktape_MeshAgent_ExecPowerState(duk_context *ctx) { int force = 0; int numArgs = (int)duk_get_top(ctx); if (numArgs == 2 && duk_is_number(ctx, 1)) { force = duk_get_int(ctx, 1); } duk_push_this(ctx); // [MeshAgent] if (duk_is_number(ctx, 0)) { #ifdef __APPLE__ switch (duk_require_int(ctx, 0)) { case 2: // SHUTDOWN duk_peval_string_noresult(ctx, "require('mac-powerutil').shutdown();"); duk_push_int(ctx, 1); break; case 3: // REBOOT duk_peval_string_noresult(ctx, "require('mac-powerutil').restart();"); duk_push_int(ctx, 1); break; default: duk_push_int(ctx, 0); break; } #else duk_push_int(ctx, MeshInfo_PowerState((AgentPowerStateActions)duk_get_int(ctx, 0), force)); #endif } else { duk_push_null(ctx); } return 1; } duk_ret_t ILibDuktape_MeshAgent_ServerUrl(duk_context *ctx) { duk_push_this(ctx); // [MeshAgent] duk_get_prop_string(ctx, -1, MESH_AGENT_PTR); // [MeshAgent][ptr] MeshAgentHostContainer *agent = (MeshAgentHostContainer*)duk_get_pointer(ctx, -1); duk_push_string(ctx, agent->serveruri); // [MeshAgent][ptr][uri] return(1); } duk_ret_t ILibDuktape_MeshAgent_updatesEnabled(duk_context *ctx) { duk_push_this(ctx); // [MeshAgent] duk_get_prop_string(ctx, -1, MESH_AGENT_PTR); // [MeshAgent][ptr] MeshAgentHostContainer *agent = (MeshAgentHostContainer*)duk_get_pointer(ctx, -1); duk_push_boolean(ctx, agent->disableUpdate == 0); return(1); } duk_ret_t ILibDuktape_MeshAgent_ServerIP(duk_context *ctx) { duk_push_this(ctx); // [MeshAgent] duk_get_prop_string(ctx, -1, MESH_AGENT_PTR); // [MeshAgent][ptr] MeshAgentHostContainer *agent = (MeshAgentHostContainer*)duk_get_pointer(ctx, -1); duk_push_string(ctx, agent->serverip); // [MeshAgent][ptr][ip] return(1); } duk_ret_t ILibDuktape_MeshAgent_isControlChannelConnected(duk_context *ctx) { duk_push_this(ctx); // [agent] MeshAgentHostContainer *agent = (MeshAgentHostContainer*)Duktape_GetPointerProperty(ctx, -1, MESH_AGENT_PTR); if (agent != NULL) { duk_push_boolean(ctx, agent->serverAuthState == 3 ? 1 : 0); return(1); } else { return(0); } } duk_ret_t ILibDuktape_MeshAgent_eval(duk_context *ctx) { duk_size_t evalStrLen; char *evalStr = (char*)duk_get_lstring(ctx, 0, &evalStrLen); printf("eval(): %s\n", evalStr); duk_eval_string(ctx, evalStr); return(1); } duk_context* ScriptEngine_Stop(MeshAgentHostContainer *agent, char *contextGUID); int dumpcount = 0; void ILibDuktape_MeshAgent_dumpCoreModuleEx(void *chain, void *user) { MeshAgentHostContainer* agentHost = (MeshAgentHostContainer*)user; char *CoreModule; ScriptEngine_Stop((MeshAgentHostContainer*)user, MeshAgent_JavaCore_ContextGuid); printf("CoreModule was manually dumped %d times, restarting!\n", ++dumpcount); int CoreModuleLen = ILibSimpleDataStore_Get(agentHost->masterDb, "CoreModule", NULL, 0); if (CoreModuleLen > 4) { // There is a core module, launch it now. CoreModule = (char*)ILibMemory_Allocate(CoreModuleLen, 0, NULL, NULL); ILibSimpleDataStore_Get(agentHost->masterDb, "CoreModule", CoreModule, CoreModuleLen); if (ILibDuktape_ScriptContainer_CompileJavaScriptEx(agentHost->meshCoreCtx, CoreModule + 4, CoreModuleLen - 4, "CoreModule.js", 13) != 0 || ILibDuktape_ScriptContainer_ExecuteByteCode(agentHost->meshCoreCtx) != 0) { ILibRemoteLogging_printf(ILibChainGetLogger(agentHost->chain), ILibRemoteLogging_Modules_Microstack_Generic | ILibRemoteLogging_Modules_ConsolePrint, ILibRemoteLogging_Flags_VerbosityLevel_1, "Error Executing MeshCore: %s", duk_safe_to_string(agentHost->meshCoreCtx, -1)); duk_pop(agentHost->meshCoreCtx); } free(CoreModule); } } duk_ret_t ILibDuktape_MeshAgent_dumpCoreModule(duk_context *ctx) { duk_push_this(ctx); // [agent] duk_get_prop_string(ctx, -1, MESH_AGENT_PTR); // [agent][ptr] MeshAgentHostContainer *agent = (MeshAgentHostContainer*)duk_get_pointer(ctx, -1); agent->localScript = 0; ILibChain_RunOnMicrostackThreadEx(agent->chain, ILibDuktape_MeshAgent_dumpCoreModuleEx, agent); return(0); } void ILibDuktape_MeshAgent_ConnectedHook(ILibDuktape_EventEmitter *sender, char *eventName, void *hookedCallback) { int top = duk_get_top(sender->ctx); duk_push_heapptr(sender->ctx, hookedCallback); // [cb] duk_push_heapptr(sender->ctx, sender->object); // [cb][this] MeshAgentHostContainer *agent = (MeshAgentHostContainer*)Duktape_GetPointerProperty(sender->ctx, -1, MESH_AGENT_PTR); if (agent->serverAuthState == 3) { duk_push_int(sender->ctx, 1); // [cb][this][1] duk_pcall_method(sender->ctx, 1); } duk_set_top(sender->ctx, top); } duk_ret_t ILibDuktape_MeshAgent_ServerInfo(duk_context *ctx) { duk_push_this(ctx); // [agent] MeshAgentHostContainer *agent = (MeshAgentHostContainer*)Duktape_GetPointerProperty(ctx, -1, MESH_AGENT_PTR); duk_push_object(ctx); util_tohex(agent->meshId, sizeof(agent->meshId), ILibScratchPad); duk_push_string(ctx, ILibScratchPad); duk_put_prop_string(ctx, -2, "MeshID"); util_tohex(agent->serverHash, sizeof(agent->serverHash), ILibScratchPad); duk_push_string(ctx, ILibScratchPad); duk_put_prop_string(ctx, -2, "ServerID"); duk_push_string(ctx, agent->serveruri); duk_put_prop_string(ctx, -2, "ServerUri"); duk_push_string(ctx, agent->serverip); duk_put_prop_string(ctx, -2, "ServerIP"); return(1); } #ifndef MICROSTACK_NOTLS duk_ret_t ILibDuktape_MeshAgent_GenerateCertsForDiagnosticAgent(duk_context *ctx) { char tmp[UTIL_SHA384_HASHSIZE]; struct util_cert tmpCert; #ifdef WIN32 char *rootSubject = (char*)duk_require_string(ctx, 0); duk_push_this(ctx); MeshAgentHostContainer *agent = (MeshAgentHostContainer*)Duktape_GetPointerProperty(ctx, -1, MESH_AGENT_PTR); #endif duk_push_object(ctx); #ifdef WIN32 wincrypto_object j = NULL; char *cert_der = NULL, *cert_pfx = NULL; if (agent->noCertStore == 0 && (j=wincrypto_open(TRUE, rootSubject)) != NULL) // Force certificate re-generation { int l; do { // Finish off work with our own certificate l = wincrypto_getcert(&cert_der, j); if (l > 0) { util_from_cer(cert_der, l, &tmpCert); util_keyhash(tmpCert, tmp); if (((int*)tmp)[0] == 0) { wincrypto_close(j); j=wincrypto_open(1, rootSubject); } } } while (l != 0 && ((int*)tmp)[0] == 0); // This removes any chance that the self_id starts with 32 bits of zeros. if (l > 0) { // Save the root cert in CER format duk_push_object(ctx); // [object][root] char *rootBuffer = duk_push_fixed_buffer(ctx, l); // [object][root][buffer] duk_push_buffer_object(ctx, -1, 0, l, DUK_BUFOBJ_NODEJS_BUFFER); // [object][root][buffer][nodeBuffer] duk_put_prop_string(ctx, -3, "der"); // [object][root][buffer] duk_pop(ctx); // [object][root] duk_put_prop_string(ctx, -2, "root"); // [object] memcpy_s(rootBuffer, l, cert_der, l); // Generate a new TLS certificate & save it. l = wincrypto_mkCert(j, rootSubject, L"CN=localhost", CERTIFICATE_TLS_SERVER, L"hidden", &cert_pfx); duk_push_object(ctx); // [object][tls] char *buffer = duk_push_fixed_buffer(ctx, l); // [object][tls][buffer] duk_push_buffer_object(ctx, -1, 0, l, DUK_BUFOBJ_NODEJS_BUFFER); // [object][tls][buffer][nodeBuffer] duk_put_prop_string(ctx, -3, "pfx"); // [object][tls][buffer] duk_pop(ctx); // [object][tls] duk_push_string(ctx, "hidden"); duk_put_prop_string(ctx, -2, "passphrase"); duk_put_prop_string(ctx, -2, "tls"); // [object] memcpy_s(buffer, l, cert_pfx, l); util_free(cert_pfx); wincrypto_close(j); return(1); } // wincrypto error return(ILibDuktape_Error(ctx, "Error Generating Certificates using WinCrypto")); } else { #endif // Generate a new self-signed root certificate for this node using OpenSSL do { if (util_mkCert(NULL, &(tmpCert), 3072, 10000, "MeshNodeCertificate", CERTIFICATE_ROOT, NULL) == 0) { return(ILibDuktape_Error(ctx, "Error Generating Certificates using OpenSSL")); } util_keyhash(tmpCert, tmp); } while (((int*)tmp)[0] == 0); // This removes any chance that the self_id starts with 32 bits of zeros. duk_push_object(ctx); // [object][root] char *pfx = NULL; int pfxLen = util_to_p12(tmpCert, "hidden", &pfx); char *jspfx = duk_push_fixed_buffer(ctx, pfxLen); // [object][root][buffer] duk_push_buffer_object(ctx, -1, 0, pfxLen, DUK_BUFOBJ_NODEJS_BUFFER); // [object][root][buffer][nodeBuffer] duk_put_prop_string(ctx, -3, "pfx"); // [object][root][buffer] duk_pop(ctx); // [object][root] duk_push_string(ctx, "hidden"); duk_put_prop_string(ctx, -2, "passphrase"); duk_put_prop_string(ctx, -2, "root"); // [object] memcpy_s(jspfx, pfxLen, pfx, pfxLen); util_free(pfx); util_freecert(&tmpCert); return(1); #ifdef WIN32 } #endif } #endif duk_ret_t ILibDuktape_MeshAgent_forceExit(duk_context *ctx) { int code = 0; if (duk_get_top(ctx) > 0) { code = (int)duk_require_int(ctx, 0); } exit(code); return(0); } duk_ret_t ILibDuktape_MeshAgent_hostname(duk_context *ctx) { duk_push_this(ctx); MeshAgentHostContainer *agent = (MeshAgentHostContainer*)Duktape_GetPointerProperty(ctx, -1, MESH_AGENT_PTR); duk_push_string(ctx, agent->hostname); return(1); } #if defined(_LINKVM) && defined(_POSIX) && !defined(__APPLE__) duk_ret_t ILibDuktape_MeshAgent_enableKvmSlaveLog(duk_context *ctx) { SLAVELOG = (int)duk_require_int(ctx, 0); return(0); } #endif duk_ret_t ILibDuktape_MeshAgent_getIdleTimeout(duk_context *ctx) { MeshAgentHostContainer *agent; duk_push_this(ctx); // [MeshAgent] agent = (MeshAgentHostContainer*)Duktape_GetPointerProperty(ctx, -1, MESH_AGENT_PTR); duk_push_int(ctx, agent->controlChannel_idleTimeout_seconds); return(1); } duk_ret_t ILibDuktape_MeshAgent_getStartupOptions(duk_context *ctx) { MeshAgentHostContainer *agent; duk_push_this(ctx); // [MeshAgent] agent = (MeshAgentHostContainer*)Duktape_GetPointerProperty(ctx, -1, MESH_AGENT_PTR); int varLen = ILibSimpleDataStore_Cached_GetJSON(agent->masterDb, NULL, 0); char *buffer = duk_push_fixed_buffer(ctx, varLen); ILibSimpleDataStore_Cached_GetJSON(agent->masterDb, buffer, varLen); duk_push_string(ctx, buffer); duk_json_decode(ctx, -1); return(1); } duk_ret_t ILibDuktape_MeshAgent_remoteMouseRender_get(duk_context *ctx) { duk_push_int(ctx, gRemoteMouseRenderDefault); return(1); } duk_ret_t ILibDuktape_MeshAgent_remoteMouseRender_set(duk_context *ctx) { gRemoteMouseRenderDefault = duk_require_int(ctx, 0); return(0); } duk_ret_t ILibDuktape_MeshAgent_coreHash(duk_context *ctx) { MeshAgentHostContainer *agent; duk_push_this(ctx); // [MeshAgent] agent = (MeshAgentHostContainer*)Duktape_GetPointerProperty(ctx, -1, MESH_AGENT_PTR); char *hashref = ILibSimpleDataStore_GetHash(agent->masterDb, "CoreModule"); // Get the reference to the SHA384 hash for the currently running code util_tohex(hashref, ILibSimpleDataStore_GetHashSize(), ILibScratchPad); duk_push_string(ctx, ILibScratchPad); return(1); } #ifdef _LINKVM duk_ret_t ILibDuktape_KVM_Refresh(duk_context *ctx) { duk_push_this(ctx); RemoteDesktop_Ptrs *ptrs = (RemoteDesktop_Ptrs*)Duktape_GetBufferProperty(ctx, -1, REMOTE_DESKTOP_ptrs); if (ptrs != NULL) { ILibDuktape_MeshAgent_RemoteDesktop_PipeHook(NULL, NULL, ptrs->stream); } return(0); } #endif void ILibDuktape_MeshAgent_PUSH(duk_context *ctx, void *chain) { MeshAgentHostContainer *agent; ILibDuktape_EventEmitter *emitter; duk_push_heap_stash(ctx); // [stash] if (duk_has_prop_string(ctx, -1, MESH_AGENT_SINGLETON)) { duk_get_prop_string(ctx, -1, MESH_AGENT_SINGLETON); // [stash][MeshAgent] duk_swap_top(ctx, -2); // [MeshAgent][stash] duk_pop(ctx); // [MeshAgent] return; } duk_get_prop_string(ctx, -1, "MeshAgentPtr"); // [stash][agentPtr] agent = (MeshAgentHostContainer*)duk_get_pointer(ctx, -1); duk_pop_2(ctx); // ... duk_push_object(ctx); // [MeshAgent] ILibDuktape_WriteID(ctx, "MeshAgent"); duk_push_pointer(ctx, agent); // [MeshAgent][ptr] duk_put_prop_string(ctx, -2, MESH_AGENT_PTR); // [MeshAgent] duk_push_heap_stash(ctx); // [MeshAgent][stash] duk_dup(ctx, -2); // [MeshAgent][stash][MeshAgent] duk_put_prop_string(ctx, -2, MESH_AGENT_SINGLETON); // [MeshAgent][stash] duk_pop(ctx); // [MeshAgent] emitter = ILibDuktape_EventEmitter_Create(ctx); duk_push_boolean(ctx, agent->agentMode); ILibDuktape_CreateReadonlyProperty(ctx, "agentMode"); if (agent->slaveMode == 0) { #ifndef MICROSTACK_NOTLS if (agent->selftlscert.x509 != NULL) { // We have a TLS certificate, use it for WebRTC duk_push_pointer(ctx, &agent->selftlscert); duk_put_prop_string(ctx, -2, ILibDuktape_MeshAgent_Cert_Server); } else { // We don't have a TLS certificate, use the root cert for WebRTC duk_push_pointer(ctx, &agent->selfcert); duk_put_prop_string(ctx, -2, ILibDuktape_MeshAgent_Cert_Server); } // Always use the root cert for agent authentication duk_push_pointer(ctx, &agent->selfcert); duk_put_prop_string(ctx, -2, ILibDuktape_MeshAgent_Cert_NonLeaf); ILibDuktape_CreateInstanceMethod(ctx, "GenerateAgentCertificate", ILibDuktape_MeshAgent_GenerateCertsForDiagnosticAgent, 1); #endif ILibDuktape_EventEmitter_CreateEventEx(emitter, "Ready"); ILibDuktape_EventEmitter_CreateEventEx(emitter, "Connected"); ILibDuktape_EventEmitter_CreateEventEx(emitter, "Command"); ILibDuktape_EventEmitter_CreateEventEx(emitter, "DesktopSessionChanged"); ILibDuktape_EventEmitter_CreateEventEx(emitter, "DBError"); ILibDuktape_EventEmitter_AddHook(emitter, "Connected", ILibDuktape_MeshAgent_ConnectedHook); ILibDuktape_CreateEventWithGetter(ctx, "ServerInfo", ILibDuktape_MeshAgent_ServerInfo); ILibDuktape_CreateEventWithGetter(ctx, "isControlChannelConnected", ILibDuktape_MeshAgent_isControlChannelConnected); ILibDuktape_EventEmitter_AddHook(emitter, "Ready", ILibDuktape_MeshAgent_Ready); ILibDuktape_CreateEventWithGetter(ctx, "ConnectedServer", ILibDuktape_MeshAgent_ConnectedServer); ILibDuktape_CreateEventWithGetter(ctx, "ServerUrl", ILibDuktape_MeshAgent_ServerUrl); ILibDuktape_CreateEventWithGetter(ctx, "ServerIP", ILibDuktape_MeshAgent_ServerIP); ILibDuktape_CreateInstanceMethod(ctx, "getRemoteDesktopStream", ILibDuktape_MeshAgent_getRemoteDesktop, DUK_VARARGS); ILibDuktape_CreateInstanceMethod(ctx, "AddCommandHandler", ILibDuktape_MeshAgent_AddCommandHandler, 1); ILibDuktape_CreateInstanceMethod(ctx, "AddConnectHandler", ILibDuktape_MeshAgent_AddConnectHandler, 1); ILibDuktape_CreateInstanceMethod(ctx, "SendCommand", ILibDuktape_MeshAgent_SendCommand, 1); ILibDuktape_CreateFinalizer(ctx, ILibDuktape_MeshAgent_Finalizer); ILibDuktape_CreateReadonlyProperty_int(ctx, "activeMicroLMS", (agent->microLMS != NULL ? 1 : 0)); ILibDuktape_CreateInstanceMethod(ctx, "restartCore", ILibDuktape_MeshAgent_dumpCoreModule, 0); ILibDuktape_CreateInstanceMethod(ctx, "getStartupOptions", ILibDuktape_MeshAgent_getStartupOptions, 0); ILibDuktape_CreateEventWithGetter(ctx, "coreHash", ILibDuktape_MeshAgent_coreHash); ILibDuktape_CreateEventWithGetter(ctx, "updatesEnabled", ILibDuktape_MeshAgent_updatesEnabled); #ifdef _LINKVM ILibDuktape_CreateReadonlyProperty_int(ctx, "hasKVM", 1); ILibDuktape_EventEmitter_CreateEventEx(emitter, "kvmConnected"); ILibDuktape_CreateInstanceMethod(ctx, "kvmRefresh", ILibDuktape_KVM_Refresh, 0); ILibDuktape_CreateEventWithGetterAndSetterEx(ctx, "remoteMouseRender", ILibDuktape_MeshAgent_remoteMouseRender_get, ILibDuktape_MeshAgent_remoteMouseRender_set); #if defined(WIN32) ILibDuktape_CreateReadonlyProperty_int(ctx, "maxKvmTileSize", 0); #else #if defined(JPEGMAXBUF) ILibDuktape_CreateReadonlyProperty_int(ctx, "maxKvmTileSize", JPEGMAXBUF); #else ILibDuktape_CreateReadonlyProperty_int(ctx, "maxKvmTileSize", 65500); #endif #endif #if defined(_POSIX) && !defined(__APPLE__) ILibDuktape_CreateInstanceMethod(ctx, "enableKvmSlaveLog", ILibDuktape_MeshAgent_enableKvmSlaveLog, 1); #endif #else ILibDuktape_CreateReadonlyProperty_int(ctx, "hasKVM", 0); #endif ILibDuktape_CreateEventWithGetter(ctx, "NetInfo", ILibDuktape_MeshAgent_NetInfo); ILibDuktape_CreateEventWithGetter(ctx, "idleTimeout", ILibDuktape_MeshAgent_getIdleTimeout); ILibDuktape_CreateInstanceMethod(ctx, "ExecPowerState", ILibDuktape_MeshAgent_ExecPowerState, DUK_VARARGS); ILibDuktape_CreateInstanceMethod(ctx, "eval", ILibDuktape_MeshAgent_eval, 1); ILibDuktape_CreateInstanceMethod(ctx, "forceExit", ILibDuktape_MeshAgent_forceExit, DUK_VARARGS); ILibDuktape_CreateInstanceMethod(ctx, "hostname", ILibDuktape_MeshAgent_hostname, 0); Duktape_CreateEnum(ctx, "ContainerPermissions", (char*[]) { "DEFAULT", "NO_AGENT", "NO_MARSHAL", "NO_PROCESS_SPAWNING", "NO_FILE_SYSTEM_ACCESS", "NO_NETWORK_ACCESS" }, (int[]) { 0x00, 0x10000000, 0x08000000, 0x04000000, 0x00000001, 0x00000002 }, 6); if (agent->JSRunningAsService) { duk_push_string(ctx, agent->meshServiceName); ILibDuktape_CreateReadonlyProperty(ctx, "serviceName"); } #ifdef WIN32 #ifdef _WINSERVICE duk_push_boolean(ctx, agent->runningAsConsole == 0); #else duk_push_false(ctx); #endif ILibDuktape_CreateReadonlyProperty(ctx, "isService"); #else #ifndef __APPLE__ // Determine if we're running as service on Linux if (duk_peval_string(ctx, "require('service-manager').manager.getService('meshagent').isMe();") == 0) { ILibDuktape_CreateReadonlyProperty(ctx, "isService"); } else { duk_pop(ctx); } #endif #endif } ILibDuktape_CreateInstanceMethod(ctx, "GenerateCertificate", ILibDuktape_MeshAgent_GenerateCertificate, 1); duk_push_pointer(ctx, agent->masterDb); duk_put_prop_string(ctx, -2, "\xFF_MasterDB"); ILibRemoteLogging_printf(ILibChainGetLogger(agent->chain), ILibRemoteLogging_Modules_Microstack_Generic, ILibRemoteLogging_Flags_VerbosityLevel_1, "Acquired MeshAgent"); } void ILibDuktape_MeshAgent_Init(duk_context* ctx, void *chain, MeshAgentHostContainer *agent) { duk_push_heap_stash(ctx); // [stash] duk_push_pointer(ctx, agent); // [stash][agentPtr] duk_put_prop_string(ctx, -2, "MeshAgentPtr"); // [stash] duk_pop(ctx); // ... ILibDuktape_ModSearch_AddHandler(ctx, "MeshAgent", ILibDuktape_MeshAgent_PUSH); if (agent->webSocketMaskOverride != 0) { duk_peval_string_noresult(ctx, "Object.defineProperty(require('https'), '_webSocketMaskOverride', { value: true });"); } } /* ------------------------------ End Mesh Agent Duktape Abstraction --------------------------------*/ // !!!WARNING!!!: The result of this method is stored in ILibScratchPad2 char* MeshAgent_MakeAbsolutePath(char *basePath, char *localPath) { MeshAgentHostContainer *agent = ILibMemory_CanaryOK(basePath) ? ((MeshAgentHostContainer**)ILibMemory_Extra(basePath))[0] : NULL; duk_context *ctx = (agent != NULL && agent->meshCoreCtx != NULL) ? agent->meshCoreCtx : ILibDuktape_ScriptContainer_InitializeJavaScriptEngineEx(SCRIPT_ENGINE_NONE, 0, agent->chain, NULL, NULL, agent->exePath, NULL, NULL, agent->chain); if (duk_peval_string(ctx, "require('util-pathHelper');") == 0) // [helper] { duk_push_string(ctx, basePath); // [helper][basePath] duk_push_string(ctx, localPath); // [helper][basePath][localPath] duk_push_boolean(ctx, agent->configPathUsesCWD != 0); // [helper][basePath][localPath][bool] if (duk_pcall(ctx, 3) == 0) // [result] { duk_size_t len; char *buffer = Duktape_GetBuffer(ctx, -1, &len); if (len < sizeof(ILibScratchPad2)) { ILibScratchPad2[len] = 0; memcpy_s(ILibScratchPad2, sizeof(ILibScratchPad2), buffer, len); duk_pop(ctx); // ... if (agent->meshCoreCtx == NULL) { Duktape_SafeDestroyHeap(ctx); } return(ILibScratchPad2); } } } ILIBCRITICALEXITMSG(254, "PATH MANIPULATION ERROR"); } #ifndef MICROSTACK_NOTLS int agent_GenerateCertificates(MeshAgentHostContainer *agent, char* certfile) { int len = -1; char* str; #ifdef WIN32 // If there is a cert here, it was Generated by OpenSSL, so we'll force the regenerate to use OpenSSL, to honor how the current cert was generated if (agent->noCertStore == 0) { agent->noCertStore = ILibSimpleDataStore_Get(agent->masterDb, "SelfNodeCert", NULL, 0); } #endif // Clear the certs in the database. ILibSimpleDataStore_Delete(agent->masterDb, "SelfNodeCert"); ILibSimpleDataStore_Delete(agent->masterDb, "SelfNodeTlsCert"); util_freecert(&(agent->selfcert)); util_freecert(&(agent->selftlscert)); if (certfile == NULL) { #if defined(WIN32) char rootSubject[255]; if (agent->noCertStore == 0 && agent->meshServiceName != NULL && strcmp(agent->meshServiceName, "Mesh Agent") == 0) { sprintf_s(rootSubject, sizeof(rootSubject), "CN=MeshNode%s", (agent->capabilities & MeshCommand_AuthInfo_CapabilitiesMask_RECOVERY) == MeshCommand_AuthInfo_CapabilitiesMask_RECOVERY ? "DiagnosticCertificate" : "Certificate"); } else { sprintf_s(rootSubject, sizeof(rootSubject), "CN=%s_Node%s", agent->meshServiceName, (agent->capabilities & MeshCommand_AuthInfo_CapabilitiesMask_RECOVERY) == MeshCommand_AuthInfo_CapabilitiesMask_RECOVERY ? "DiagnosticCertificate" : "Certificate"); } if (agent->noCertStore == 0 && (agent->certObject = wincrypto_open(TRUE, rootSubject)) != NULL) // Force certificate re-generation { int l; do { // Finish off work with our own certificate l = wincrypto_getcert(&str, agent->certObject); if (l > 0) { util_from_cer(str, l, &(agent->selfcert)); util_keyhash(agent->selfcert, agent->g_selfid); if (((int*)agent->g_selfid)[0] == 0) { wincrypto_close(agent->certObject); agent->certObject = wincrypto_open(1, rootSubject); } } } while (l != 0 && ((int*)agent->g_selfid)[0] == 0); // This removes any chance that the self_id starts with 32 bits of zeros. if (l > 0) { // Generate a new TLS certificate & save it. l = wincrypto_mkCert(agent->certObject, rootSubject, L"CN=localhost", CERTIFICATE_TLS_SERVER, L"hidden", &str); util_from_p12(str, l, "hidden", &(agent->selftlscert)); ILibSimpleDataStore_PutEx(agent->masterDb, "SelfNodeTlsCert", 15, str, l); util_free(str); return 0; } } else { #endif // Generate a new self-signed root certificate for this node using OpenSSL ILibRemoteLogging_printf(ILibChainGetLogger(agent->chain), ILibRemoteLogging_Modules_Agent_GuardPost, ILibRemoteLogging_Flags_VerbosityLevel_1, "...Generating new Node Certificate"); printf("Generating Certificate...\r\n"); do { SSL_TRACE1("agent_GenerateCertificates()"); if (util_mkCert(NULL, &(agent->selfcert), 3072, 10000, "MeshNodeCertificate", CERTIFICATE_ROOT, NULL) == 0) { SSL_TRACE2("agent_GenerateCertificates()"); return -1; } util_keyhash(agent->selfcert, agent->g_selfid); SSL_TRACE2("agent_GenerateCertificates()"); } while (((int*)agent->g_selfid)[0] == 0); // This removes any chance that the self_id starts with 32 bits of zeros. ILibRemoteLogging_printf(ILibChainGetLogger(agent->chain), ILibRemoteLogging_Modules_Agent_GuardPost, ILibRemoteLogging_Flags_VerbosityLevel_1, "...g_selfid = %s", ILibRemoteLogging_ConvertToHex(agent->g_selfid, (int)sizeof(agent->g_selfid))); #if defined(WIN32) wincrypto_setregistry(L"KeyStore", L"None"); } #endif } else { // Load a node certificate from a PEM file ILibRemoteLogging_printf(ILibChainGetLogger(agent->chain), ILibRemoteLogging_Modules_Agent_GuardPost, ILibRemoteLogging_Flags_VerbosityLevel_1, "...Loading Node Cert from PEM file"); SSL_TRACE1("ILibDuktape_MeshAgent_GenerateCertificate_FromFile()"); if (util_from_pem(certfile, &(agent->selfcert)) == -1) { ILibRemoteLogging_printf(ILibChainGetLogger(agent->chain), ILibRemoteLogging_Modules_Agent_GuardPost, ILibRemoteLogging_Flags_VerbosityLevel_1, "......*ERROR*"); SSL_TRACE2("ILibDuktape_MeshAgent_GenerateCertificate_FromFile([ERROR])"); return -1; } util_keyhash(agent->selfcert, agent->g_selfid); if (((int*)agent->g_selfid)[0] == 0) { ILibRemoteLogging_printf(ILibChainGetLogger(agent->chain), ILibRemoteLogging_Modules_Agent_GuardPost, ILibRemoteLogging_Flags_VerbosityLevel_1, "......g_selfid = *ERROR*"); SSL_TRACE2("ILibDuktape_MeshAgent_GenerateCertificate_FromFile([ERROR])"); return -1; // This removes any chance that the self_id starts with 32 bits of zeros. } SSL_TRACE2("ILibDuktape_MeshAgent_GenerateCertificate_FromFile()"); ILibRemoteLogging_printf(ILibChainGetLogger(agent->chain), ILibRemoteLogging_Modules_Agent_GuardPost, ILibRemoteLogging_Flags_VerbosityLevel_1, "...g_selfid = %s", ILibRemoteLogging_ConvertToHex(agent->g_selfid, (int)sizeof(agent->g_selfid))); } SSL_TRACE1("ILibDuktape_MeshAgent_GenerateCertificate(SelfNodeCert)"); len = util_to_p12(agent->selfcert, "hidden", &str); ILibSimpleDataStore_PutEx(agent->masterDb, "SelfNodeCert", 12, str, len); util_free(str); SSL_TRACE2("ILibDuktape_MeshAgent_GenerateCertificate(SelfNodeCert)"); /* // If the root certificate is generated in the TPM, generate a new TLS certificate SSL_TRACE1("ILibDuktape_MeshAgent_GenerateCertificate(SelfNodeTlsCert)"); ILibRemoteLogging_printf(ILibChainGetLogger(agent->chain), ILibRemoteLogging_Modules_Agent_GuardPost, ILibRemoteLogging_Flags_VerbosityLevel_1, "...Generating TLS Certificate"); len = util_mkCert(&(agent->selfcert), &(agent->selftlscert), 3072, 10000, "localhost", CERTIFICATE_TLS_SERVER, NULL); len = util_to_p12(agent->selftlscert, "hidden", &str); ILibSimpleDataStore_PutEx(agent->masterDb, "SelfNodeTlsCert", 15, str, len); util_free(str); SSL_TRACE2("ILibDuktape_MeshAgent_GenerateCertificate(SelfNodeTlsCert)"); */ // If we don't use TPM, we can skip generating the TLS cert. agent->selftlscert.flags = 0; agent->selftlscert.x509 = NULL; agent->selftlscert.pkey = NULL; MSG("Certificates ready.\r\n"); ILibRemoteLogging_printf(ILibChainGetLogger(agent->chain), ILibRemoteLogging_Modules_Agent_GuardPost, ILibRemoteLogging_Flags_VerbosityLevel_1, "...READY"); return 0; } int agent_LoadCertificates(MeshAgentHostContainer *agent) { int len; SSL_TRACE1("agent_LoadCertificates()"); //printf("Loading Certificates...\r\n"); // First, look to see if we have a certificate in the .db file, if we do, use that. len = ILibSimpleDataStore_Get(agent->masterDb, "SelfNodeCert", ILibScratchPad2, sizeof(ILibScratchPad2)); if (len == 0 || util_from_p12(ILibScratchPad2, len, "hidden", &(agent->selfcert)) == 0) { #if defined(WIN32) char rootSubject[255]; if (agent->noCertStore == 0 && agent->meshServiceName != NULL && strcmp(agent->meshServiceName, "Mesh Agent") == 0) { sprintf_s(rootSubject, sizeof(rootSubject), "CN=MeshNode%s", (agent->capabilities & MeshCommand_AuthInfo_CapabilitiesMask_RECOVERY) == MeshCommand_AuthInfo_CapabilitiesMask_RECOVERY ? "DiagnosticCertificate" : "Certificate"); } else { sprintf_s(rootSubject, sizeof(rootSubject), "CN=%s_Node%s", agent->meshServiceName, (agent->capabilities & MeshCommand_AuthInfo_CapabilitiesMask_RECOVERY) == MeshCommand_AuthInfo_CapabilitiesMask_RECOVERY ? "DiagnosticCertificate" : "Certificate"); } // No cert in this .db file. Try to load or generate a root certificate from a Windows crypto provider. This can be TPM backed which is great. // However, if we don't have the second cert created, we need to regen the root... if (agent->noCertStore == 0 && (agent->certObject = wincrypto_open(FALSE, rootSubject)) != NULL && ILibSimpleDataStore_Get(agent->masterDb, "SelfNodeTlsCert", NULL, 0) != 0) { char* str = NULL; int l; do { // Finish off work with our own certificate l = wincrypto_getcert(&str, agent->certObject); if (l > 0) { util_from_cer(str, l, &(agent->selfcert)); util_keyhash(agent->selfcert, agent->g_selfid); if (((int*)agent->g_selfid)[0] == 0) { wincrypto_close(agent->certObject); agent->certObject = wincrypto_open(TRUE, rootSubject); } // Force generation of a new certificate. } } while (l != 0 && ((int*)agent->g_selfid)[0] == 0); // This removes any chance that the self_id starts with 32 bits of zeros. if (l > 0) { // Load the TLS certificate from the database. If not present, generate one. len = ILibSimpleDataStore_Get(agent->masterDb, "SelfNodeTlsCert", ILibScratchPad2, sizeof(ILibScratchPad2)); if ((len != 0) && (util_from_p12(ILibScratchPad2, len, "hidden", &(agent->selftlscert)) == 0)) { len = 0; } // Unable to decode this certificate if (agent_VerifyMeshCertificates(agent) != 0) { // Check that the load TLS cert is signed by our root. len = 0; ILIBLOGMESSAGEX("Certificate loaded from DB was not signed by our root cert in the Cert Store"); } if (len == 0) { // Generate a new TLS certificate & save it. util_freecert(&(agent->selftlscert)); l = wincrypto_mkCert(agent->certObject, rootSubject, L"CN=localhost", CERTIFICATE_TLS_SERVER, L"hidden", &str); if (l > 0) { util_from_p12(str, l, "hidden", &(agent->selftlscert)); ILibSimpleDataStore_PutEx(agent->masterDb, "SelfNodeTlsCert", 15, str, l); } util_free(str); if (l <= 0) { // Problem generating the TLS cert, reset everything. ILIBLOGMESSAGEX("Error occured trying to generate a TLS cert that is signed by our root in Cert Store"); return 1; } } return 0; // All good. We loaded or generated a root agent cert and TLS cert. } else { ILIBLOGMESSAGEX("No certificate found in Microsoft Certificate Store"); } } else { if (agent->noCertStore == 0 && agent->certObject == NULL) { ILIBLOGMESSAGEX("Error opening Microsoft Certificate Store"); } } #endif // No certificate in the database. Return 1 here so we can generate one. ILibRemoteLogging_printf(ILibChainGetLogger(agent->chain), ILibRemoteLogging_Modules_Agent_GuardPost, ILibRemoteLogging_Flags_VerbosityLevel_1, "...Failed to load Node Certificate from Database"); SSL_TRACE2("agent_LoadCertificates([ERROR: SelfNodeCert])"); ILIBLOGMESSAGEX("Info: No certificate was found in db"); return 1; } // Try to load the TLS certificate len = ILibSimpleDataStore_Get(agent->masterDb, "SelfNodeTlsCert", ILibScratchPad2, sizeof(ILibScratchPad2)); if (len != 0) { // If the TLS certificate is in the database, load it. If not, it's ok to skip this. if (util_from_p12(ILibScratchPad2, len, "hidden", &(agent->selftlscert)) == 0) { ILibRemoteLogging_printf(ILibChainGetLogger(agent->chain), ILibRemoteLogging_Modules_Agent_GuardPost, ILibRemoteLogging_Flags_VerbosityLevel_1, "...Failed to load TLS Certificate from Database"); util_freecert(&(agent->selfcert)); SSL_TRACE2("agent_LoadCertificates([ERROR: SelfNodeTlsCert])"); return 1; } } // Compute this agent's nodeid. util_keyhash(agent->selfcert, agent->g_selfid); SSL_TRACE2("agent_LoadCertificates()"); return 0; } int agent_VerifyMeshCertificates(MeshAgentHostContainer *agent) { X509_STORE *store; X509_STORE_CTX *ctx; int i = 0; SSL_TRACE1("agent_VerifyMeshCertificates()"); if (agent->selftlscert.x509 == NULL) { return 0; } // There is no TLS certificate, no verification needed. // Check that the TLS certificate and TLS client certificate are correctly signed by our Mesh Agent certificate ILibRemoteLogging_printf(ILibChainGetLogger(agent->chain), ILibRemoteLogging_Modules_Agent_GuardPost, ILibRemoteLogging_Flags_VerbosityLevel_1, "...Verifying TLS Certificates are signed by Mesh Agent Certificate"); store = X509_STORE_new(); X509_STORE_add_cert(store, agent->selfcert.x509); ctx = X509_STORE_CTX_new(); X509_STORE_CTX_init(ctx, store, agent->selftlscert.x509, NULL); i = X509_verify_cert(ctx); X509_STORE_CTX_free(ctx); X509_STORE_free(store); // If the certificate chain is not correct, re-create all the certificates. if (i != 1) { ILibRemoteLogging_printf(ILibChainGetLogger(agent->chain), ILibRemoteLogging_Modules_Agent_GuardPost, ILibRemoteLogging_Flags_VerbosityLevel_1, "......INVALID TLS Server Certificate"); } SSL_TRACE2("agent_VerifyMeshCertificates()"); if (i != 1) { return 1; } // Bad certificates return 0; } #endif duk_context* ScriptEngine_Stop(MeshAgentHostContainer *agent, char *contextGUID) { SCRIPT_ENGINE_SETTINGS *settings = ILibDuktape_ScriptContainer_GetSettings(agent->meshCoreCtx); Duktape_SafeDestroyHeap(agent->meshCoreCtx); agent->meshCoreCtx = ILibDuktape_ScriptContainer_InitializeJavaScriptEngineEx2(settings); ILibDuktape_MeshAgent_Init(agent->meshCoreCtx, agent->chain, agent); ILibDuktape_SetNativeUncaughtExceptionHandler(agent->meshCoreCtx, settings->nExeptionHandler, settings->nExceptionUserObject); if (g_displayFinalizerMessages) { printf("\n\n==> Stopping JavaScript Engine\n"); } if (agent->proxyServer != NULL) { memcpy_s(&(ILibDuktape_GetNewGlobalTunnel(agent->meshCoreCtx)->proxyServer), sizeof(struct sockaddr_in6), agent->proxyServer, sizeof(struct sockaddr_in6)); } ILibDuktape_ScriptContainer_FreeSettings(settings); return(agent->meshCoreCtx); } char* ScriptEngine_Restart(MeshAgentHostContainer *agent, char *contextGUID, char *buffer, int bufferLen) { duk_context *ctx = ScriptEngine_Stop(agent, contextGUID); if (ctx != NULL) { if (ILibDuktape_ScriptContainer_CompileJavaScriptEx(ctx, buffer, bufferLen, "CoreModule.js", 13) != 0 || ILibDuktape_ScriptContainer_ExecuteByteCode(ctx) != 0) { sprintf_s(ILibScratchPad, sizeof(ILibScratchPad), "%s", (char*)duk_safe_to_string(ctx, -1)); duk_pop(ctx); return(ILibScratchPad); } return(NULL); } else { return "Restart Failed, because Script Engine Stop failed"; } } void MeshAgent_Slave_HeapWasDestroyed(duk_context *ctx, void *user) { MeshAgentHostContainer *agent = (MeshAgentHostContainer*)user; agent->exitCode = ILibDuktape_Process_GetExitCode(ctx); ILibRemoteLogging_printf(ILibChainGetLogger(agent->chain), ILibRemoteLogging_Modules_Microstack_Generic, ILibRemoteLogging_Flags_VerbosityLevel_1, "MeshAgent_Slave: Engine has exited"); ILibStopChain(agent->chain); } // Called when we can now send more data to MeshCentral void MeshServer_OnSendOK(ILibWebClient_StateObject sender, void *user1, void *user2) { // TODO: Inform JavaScript core module that we are in underflow situation } int GenerateSHA384FileHash(char *filePath, char *fileHash) { FILE *tmpFile = NULL; unsigned int endIndex = 0; unsigned int bytesLeft = 0; size_t bytesRead; unsigned int checkSumIndex = 0; unsigned int tableIndex = 0; #ifdef WIN32 int retVal = 1; _wfopen_s(&tmpFile, ILibUTF8ToWide(filePath, -1), L"rb"); #else tmpFile = fopen(filePath, "rb"); #endif if (tmpFile == NULL) { return(1); } #ifdef WIN32 // We need to check if this is a signed binary // Read the PE Headers, to determine where to look for the Embedded JS char *optHeader = NULL; unsigned int NTHeaderIndex = 0; fseek(tmpFile, 0, SEEK_SET); ignore_result(fread(ILibScratchPad, 1, 2, tmpFile)); if (ntohs(((uint16_t*)ILibScratchPad)[0]) == 19802) // 5A4D { fseek(tmpFile, 60, SEEK_SET); ignore_result(fread((void*)&NTHeaderIndex, 1, 4, tmpFile)); fseek(tmpFile, NTHeaderIndex, SEEK_SET); // NT HEADER checkSumIndex = NTHeaderIndex + 24 + 64; ignore_result(fread(ILibScratchPad, 1, 24, tmpFile)); if (((unsigned int*)ILibScratchPad)[0] == 17744) { // PE Image optHeader = ILibMemory_AllocateA(((unsigned short*)ILibScratchPad)[10]); ignore_result(fread(optHeader, 1, ILibMemory_AllocateA_Size(optHeader), tmpFile)); if (ILibMemory_AllocateA_Size(optHeader) > 4) { switch (((unsigned short*)optHeader)[0]) { case 0x10B: if (ILibMemory_AllocateA_Size(optHeader) >= 132) { if (((unsigned int*)(optHeader + 128))[0] != 0) { endIndex = ((unsigned int*)(optHeader + 128))[0]; } tableIndex = NTHeaderIndex + 24 + 128; retVal = 0; } break; case 0x20B: if (ILibMemory_AllocateA_Size(optHeader) >= 148) { if (((unsigned int*)(optHeader + 144))[0] != 0) { endIndex = ((unsigned int*)(optHeader + 144))[0]; } tableIndex = NTHeaderIndex + 24 + 144; retVal = 0; } break; default: break; } } } if (retVal != 0) { fclose(tmpFile); return(1); } } #endif if (endIndex == 0) { // We just need to check for Embedded MSH file int mshLen = 0; fseek(tmpFile, -16, SEEK_END); ignore_result(fread(ILibScratchPad, 1, 16, tmpFile)); if (memcmp(ILibScratchPad, exeMeshPolicyGuid, 16) == 0) { fseek(tmpFile, -20, SEEK_CUR); ignore_result(fread((void*)&mshLen, 1, 4, tmpFile)); mshLen = ntohl(mshLen); endIndex = (unsigned int)ftell(tmpFile) - 4 - mshLen; } else { endIndex = (unsigned int)ftell(tmpFile); } } SHA512_CTX ctx; SHA384_Init(&ctx); bytesLeft = endIndex; fseek(tmpFile, 0, SEEK_SET); if (checkSumIndex != 0) { bytesRead = fread(ILibScratchPad, 1, checkSumIndex + 4, tmpFile); ((unsigned int*)(ILibScratchPad + checkSumIndex))[0] = 0; SHA384_Update(&ctx, ILibScratchPad, bytesRead); if (endIndex > 0) { bytesLeft -= (unsigned int)bytesRead; } bytesRead = fread(ILibScratchPad, 1, tableIndex + 8 - (checkSumIndex + 4), tmpFile); ((unsigned int*)(ILibScratchPad + bytesRead - 8))[0] = 0; ((unsigned int*)(ILibScratchPad + bytesRead - 8))[1] = 0; SHA384_Update(&ctx, ILibScratchPad, bytesRead); if (endIndex > 0) { bytesLeft -= (unsigned int)bytesRead; } } while ((bytesRead = fread(ILibScratchPad, 1, endIndex == 0 ? sizeof(ILibScratchPad) : (bytesLeft > sizeof(ILibScratchPad) ? sizeof(ILibScratchPad) : bytesLeft), tmpFile)) > 0) { SHA384_Update(&ctx, ILibScratchPad, bytesRead); if (endIndex > 0) { bytesLeft -= (unsigned int)bytesRead; if (bytesLeft == 0) { break; } } } SHA384_Final((unsigned char*)fileHash, &ctx); fclose(tmpFile); return(0); } // Called when the connection of the mesh server is fully authenticated void MeshServer_ServerAuthenticated(ILibWebClient_StateObject WebStateObject, MeshAgentHostContainer *agent) { int len = 0; // Send the mesh agent tag to the server // We send the tag information independently of the meshcore because we could use this to select what meshcore to use on the server. ((unsigned short*)ILibScratchPad2)[0] = htons(MeshCommand_AgentTag); // MeshCommand_AgentTag (15), agent tag information len = ILibSimpleDataStore_GetEx(agent->masterDb, "Tag", 3, ILibScratchPad2 + 2, sizeof(ILibScratchPad2) - 2); ILibWebClient_WebSocket_Send(WebStateObject, ILibWebClient_WebSocket_DataType_BINARY, ILibScratchPad2, 2 + len, ILibAsyncSocket_MemoryOwnership_USER, ILibWebClient_WebSocket_FragmentFlag_Complete); // Inform JavaScript core module of the connection // TODO: Verify with Bryan that only the core module will get this. No other modules should. if (agent->serverAuthState == 3) { ILibDuktape_MeshAgent_PUSH(agent->meshCoreCtx, agent->chain); // [agent] duk_get_prop_string(agent->meshCoreCtx, -1, "emit"); // [agent][emit] duk_swap_top(agent->meshCoreCtx, -2); // [emit][this] duk_push_string(agent->meshCoreCtx, "Connected"); // [emit][this][Connected] duk_push_int(agent->meshCoreCtx, 1); // [emit][this][Connected][1] if (duk_pcall_method(agent->meshCoreCtx, 2) != 0) { ILibDuktape_Process_UncaughtException(agent->meshCoreCtx); } duk_pop(agent->meshCoreCtx); // ... if (agent->logUpdate != 0) { sprintf_s(ILibScratchPad, sizeof(ILibScratchPad), "Connection Established [%p]...", WebStateObject); ILIBLOGMESSSAGE(ILibScratchPad); } } } void MeshServer_SendJSON(MeshAgentHostContainer* agent, ILibWebClient_StateObject WebStateObject, char *JSON, int JSONLength) { ILibWebClient_WebSocket_Send(WebStateObject, ILibWebClient_WebSocket_DataType_TEXT, JSON, JSONLength, ILibAsyncSocket_MemoryOwnership_USER, ILibWebClient_WebSocket_FragmentFlag_Complete); } void MeshServer_SendAgentInfo(MeshAgentHostContainer* agent, ILibWebClient_StateObject WebStateObject) { int hostnamelen = (int)strnlen_s(agent->hostname, sizeof(agent->hostname)); int agentNameLen = 0; // Send to the server information about this agent MeshCommand_BinaryPacket_AuthInfo *info = (MeshCommand_BinaryPacket_AuthInfo*)ILibScratchPad2; memset(info, 0, sizeof(MeshCommand_BinaryPacket_AuthInfo)); // Required because if hash are SHA384, they will not fully fill the struct. info->command = htons(MeshCommand_AuthInfo); info->infoVersion = htonl(1); info->agentId = htonl(MESH_AGENTID); info->agentVersion = htonl(agent->version); info->platformType = htonl(((agent->batteryState != MeshAgentHost_BatteryInfo_NONE) && (agent->batteryState != MeshAgentHost_BatteryInfo_UNKNOWN)) ? MeshCommand_AuthInfo_PlatformType_LAPTOP : MeshCommand_AuthInfo_PlatformType_DESKTOP); memcpy_s(info->MeshID, sizeof(info->MeshID), agent->meshId, sizeof(agent->meshId)); info->capabilities = htonl(agent->capabilities); memcpy_s(info->hostname, hostnamelen, agent->hostname, hostnamelen); info->hostnameLen = htons(hostnamelen); if ((agentNameLen=ILibSimpleDataStore_Get(agent->masterDb, "agentName", NULL, 0)) > 0) { if (agentNameLen < 255) { char agentName[255]; int jsonlen; ILibSimpleDataStore_Get(agent->masterDb, "agentName", agentName, (int)sizeof(agentName)); jsonlen = sprintf_s(ILibScratchPad, sizeof(ILibScratchPad), "{\"action\":\"agentName\",\"value\":\"%s\"}", agentName); MeshServer_SendJSON(agent, WebStateObject, ILibScratchPad, jsonlen); } } if (agent->meshCoreCtx != NULL) { if (duk_peval_string(agent->meshCoreCtx, "require('identifiers').isVM();") == 0) { if (duk_get_boolean(agent->meshCoreCtx, -1)) { info->platformType = htonl(MeshCommand_AuthInfo_PlatformType_VIRTUAL); } } duk_pop(agent->meshCoreCtx); if (info->platformType != htonl(MeshCommand_AuthInfo_PlatformType_VIRTUAL)) { if (duk_peval_string(agent->meshCoreCtx, "require('identifiers').isBatteryPowered();") == 0) { if (duk_get_boolean(agent->meshCoreCtx, -1)) { info->platformType = htonl(MeshCommand_AuthInfo_PlatformType_LAPTOP); } } duk_pop(agent->meshCoreCtx); } } // Send mesh agent information to the server ILibWebClient_WebSocket_Send(WebStateObject, ILibWebClient_WebSocket_DataType_BINARY, (char*)info, sizeof(MeshCommand_BinaryPacket_AuthInfo) + hostnamelen, ILibAsyncSocket_MemoryOwnership_USER, ILibWebClient_WebSocket_FragmentFlag_Complete); agent->retryTime = 0; if ((agent->capabilities & MeshCommand_AuthInfo_CapabilitiesMask_RECOVERY) == MeshCommand_AuthInfo_CapabilitiesMask_RECOVERY) { printf("[Recovery Agent] Connected.\n"); } else { printf("Connected.\n"); } if (agent->serverAuthState == 3) { MeshServer_ServerAuthenticated(WebStateObject, agent); } } void MeshServer_selfupdate_continue(MeshAgentHostContainer *agent) { #ifdef WIN32 agent->performSelfUpdate = 1; #else // Set performSelfUpdate to the startupType, on Linux is this important: 1 = systemd, 2 = upstart, 3 = sysv-init int len = ILibSimpleDataStore_Get(agent->masterDb, "StartupType", ILibScratchPad, sizeof(ILibScratchPad)); if (len > 0 && len < sizeof(ILibScratchPad)) { ILib_atoi_int32(&(agent->performSelfUpdate), ILibScratchPad, (size_t)len); } if (agent->performSelfUpdate == 0) { agent->performSelfUpdate = 999; } // Never allow this value to be zero. #endif if (duk_peval_string_noresult(agent->meshCoreCtx, "require('service-manager').manager.getService('meshagentDiagnostic').start();") == 0) { if (agent->logUpdate != 0) { ILIBLOGMESSSAGE("SelfUpdate -> Starting Secondary Agent, to assist with self update"); } } else { if (agent->logUpdate != 0) { ILIBLOGMESSSAGE("SelfUpdate -> Secondary Agent unavailable to assist with self update"); } } // Everything looks good, lets perform the update if (agent->logUpdate != 0) { char tmp[255]; sprintf_s(tmp, sizeof(tmp), "SelfUpdate -> Stopping Chain (%d)", agent->performSelfUpdate); ILIBLOGMESSSAGE(tmp); } ILibStopChain(agent->chain); } duk_ret_t MeshServer_selfupdate_unzip_complete(duk_context *ctx) { duk_eval_string(ctx, "require('MeshAgent')"); // [MeshAgent] MeshAgentHostContainer *agent = (MeshAgentHostContainer*)Duktape_GetPointerProperty(ctx, -1, MESH_AGENT_PTR); if (agent->logUpdate != 0) { ILIBLOGMESSSAGE("SelfUpdate -> Updated successfully unzipped..."); } MeshServer_selfupdate_continue(agent); return(0); } duk_ret_t MeshServer_selfupdate_unzip_error(duk_context *ctx) { duk_eval_string(ctx, "require('MeshAgent')"); // [MeshAgent] MeshAgentHostContainer *agent = (MeshAgentHostContainer*)Duktape_GetPointerProperty(ctx, -1, MESH_AGENT_PTR); duk_push_sprintf(ctx, "SelfUpdate -> FAILED to unzip update: %s", (char*)duk_safe_to_string(ctx, 0)); if (agent->logUpdate != 0) { ILIBLOGMESSSAGE(duk_safe_to_string(ctx, -1)); } return(0); } // Process MeshCentral server commands. void MeshServer_ProcessCommand(ILibWebClient_StateObject WebStateObject, MeshAgentHostContainer *agent, char *cmd, int cmdLen) { unsigned short command = ntohs(((unsigned short*)cmd)[0]); unsigned short requestid; if (agent->controlChannelDebug != 0) { printf("ProcessCommand(%u)...\n", command); ILIBLOGMESSAGEX("ProcessCommand(%u)...", command); } #ifndef MICROSTACK_NOTLS // If we are not authenticated with the mesh server, we only support auth commands. if (agent->serverAuthState != 3) { X509* peer = ILibWebClient_SslGetCert(WebStateObject); switch (command) { case MeshCommand_AuthRequest: // This is basic authentication information from the server, we need to sign this and return the signature. if (cmdLen == sizeof(MeshCommand_BinaryPacket_AuthRequest)) { if (agent->controlChannelDebug != 0) { ILIBLOGMESSAGEX("Processing Authentication Request..."); } MeshCommand_BinaryPacket_AuthRequest *AuthRequest = (MeshCommand_BinaryPacket_AuthRequest*)cmd; int signLen; SHA512_CTX c; EVP_PKEY *evp_prikey; RSA *rsa_prikey; // Hash the server's web certificate and check if it matches the one in the auth request util_certhash2(peer, ILibScratchPad2); // Hash the server certificate if (memcmp(ILibScratchPad2, AuthRequest->serverHash, sizeof(AuthRequest->serverHash)) != 0) { util_keyhash2(peer, ILibScratchPad2); // Hash the server certificate public key (this is the old way) if (memcmp(ILibScratchPad2, AuthRequest->serverHash, sizeof(AuthRequest->serverHash)) != 0) { printf("Bad server certificate hash\r\n"); // TODO: Disconnect if (agent->controlChannelDebug != 0) { ILIBLOGMESSAGEX("Bad server certificate hash"); } break; } } memcpy_s(agent->serverNonce, sizeof(agent->serverNonce), AuthRequest->serverNonce, sizeof(AuthRequest->serverNonce)); // Place our certificate in the response MeshCommand_BinaryPacket_AuthVerify_Header *rav = (MeshCommand_BinaryPacket_AuthVerify_Header*)ILibScratchPad2; rav->command = htons(MeshCommand_AuthVerify); // MeshCommand_AuthVerify (2), agent certificate in ASN1 format char *certDer = (char*)rav->data; short certLen = i2d_X509(agent->selfcert.x509, (unsigned char **)&certDer); // Place the agent root certificate in DER form rav->certLen = htons(certLen); #ifdef WIN32 if (agent->selfcert.pkey != NULL) { #endif // Use our agent root private key to sign HASH(ServerWebHash + ServerNonce + AgentNonce) SHA384_Init(&c); SHA384_Update(&c, AuthRequest->serverHash, UTIL_SHA384_HASHSIZE); // Server web hash SHA384_Update(&c, agent->serverNonce, UTIL_SHA384_HASHSIZE); // Server nonce SHA384_Update(&c, agent->agentNonce, UTIL_SHA384_HASHSIZE); // Agent nonce SHA384_Final((unsigned char*)ILibScratchPad, &c); // Create a RSA signature using OpenSSL & send it evp_prikey = agent->selfcert.pkey; rsa_prikey = EVP_PKEY_get1_RSA(evp_prikey); signLen = sizeof(ILibScratchPad2) - sizeof(MeshCommand_BinaryPacket_AuthVerify_Header) - certLen; if (RSA_sign(NID_sha384, (unsigned char*)ILibScratchPad, UTIL_SHA384_HASHSIZE, (unsigned char*)(rav->data + certLen), (unsigned int*)&signLen, rsa_prikey) == 1) { // Signature succesful, send the result to the server ILibWebClient_WebSocket_Send(WebStateObject, ILibWebClient_WebSocket_DataType_BINARY, (char*)rav, sizeof(MeshCommand_BinaryPacket_AuthVerify_Header) + certLen + signLen, ILibAsyncSocket_MemoryOwnership_USER, ILibWebClient_WebSocket_FragmentFlag_Complete); } RSA_free(rsa_prikey); #ifdef WIN32 } else { // Use our agent root private key to sign: ServerWebHash + ServerNonce + AgentNonce memcpy_s(ILibScratchPad, sizeof(ILibScratchPad), AuthRequest->serverHash, UTIL_SHA384_HASHSIZE); memcpy_s(ILibScratchPad + UTIL_SHA384_HASHSIZE, sizeof(ILibScratchPad) - UTIL_SHA384_HASHSIZE, agent->serverNonce, UTIL_SHA384_HASHSIZE); memcpy_s(ILibScratchPad + UTIL_SHA384_HASHSIZE + UTIL_SHA384_HASHSIZE, sizeof(ILibScratchPad) - UTIL_SHA384_HASHSIZE - UTIL_SHA384_HASHSIZE, agent->agentNonce, UTIL_SHA384_HASHSIZE); // Create a PKCS7 signature using Windows crypto & send it char* signature = NULL; signLen = wincrypto_sign(agent->certObject, (unsigned char*)ILibScratchPad, sizeof(AuthRequest->serverHash) + UTIL_SHA384_HASHSIZE + UTIL_SHA384_HASHSIZE, &signature); if (signLen > 0) { // Signature succesful, send the result to the server memcpy_s((unsigned char*)(rav->data + certLen), sizeof(ILibScratchPad2) - sizeof(MeshCommand_BinaryPacket_AuthVerify_Header) - certLen, signature, signLen); ILibWebClient_WebSocket_Send(WebStateObject, ILibWebClient_WebSocket_DataType_BINARY, (char*)rav, sizeof(MeshCommand_BinaryPacket_AuthVerify_Header) + certLen + signLen, ILibAsyncSocket_MemoryOwnership_USER, ILibWebClient_WebSocket_FragmentFlag_Complete); free(signature); } } #endif } break; case MeshCommand_AuthVerify: // This is the signature from the server. We need to check everything is ok. if (cmdLen > 8) { if (agent->controlChannelDebug != 0) { ILIBLOGMESSAGEX("Processing Authentication Verification..."); } MeshCommand_BinaryPacket_AuthVerify_Header *avh = (MeshCommand_BinaryPacket_AuthVerify_Header*)cmd; #ifdef WIN32 MeshCommand_BinaryPacket_AuthVerify *AuthVerify = (MeshCommand_BinaryPacket_AuthVerify*)_alloca(sizeof(MeshCommand_BinaryPacket_AuthVerify)); #else MeshCommand_BinaryPacket_AuthVerify *AuthVerify = (MeshCommand_BinaryPacket_AuthVerify*)alloca(sizeof(MeshCommand_BinaryPacket_AuthVerify)); #endif AuthVerify->cert = avh->data; AuthVerify->certLen = ntohs(avh->certLen); AuthVerify->signature = avh->data + AuthVerify->certLen; AuthVerify->signatureLen = (unsigned short)(cmdLen - (int)(sizeof(MeshCommand_BinaryPacket_AuthVerify_Header) + AuthVerify->certLen)); if (cmdLen > (int)(sizeof(MeshCommand_BinaryPacket_AuthVerify_Header) + AuthVerify->certLen)) { int hashlen = UTIL_SHA384_HASHSIZE; SHA512_CTX c; X509* serverCert = NULL; EVP_PKEY *evp_pubkey; RSA *rsa_pubkey; // Get the server certificate if (!d2i_X509(&serverCert, (const unsigned char**)&AuthVerify->cert, AuthVerify->certLen)) { printf("Invalid server certificate\r\n"); break; } // TODO: Disconnect // Check if this certificate public key hash matches what we want X509_pubkey_digest(serverCert, EVP_sha384(), (unsigned char*)ILibScratchPad, (unsigned int*)&hashlen); // OpenSSL 1.1, SHA384 if (memcmp(ILibScratchPad, agent->serverHash, UTIL_SHA384_HASHSIZE) != 0) { X509_pubkey_digest(serverCert, EVP_sha256(), (unsigned char*)ILibScratchPad, (unsigned int*)&hashlen); // OpenSSL 1.1, SHA256 (For older .mshx policy file) if (memcmp(ILibScratchPad, agent->serverHash, UTIL_SHA256_HASHSIZE) != 0) { printf("Server certificate mismatch\r\n"); break; // TODO: Disconnect if (agent->controlChannelDebug != 0) { ILIBLOGMESSAGEX("Server certificate mismatch"); } } } // Compute the authentication hash SHA384_Init(&c); util_certhash2(peer, ILibScratchPad2); SHA384_Update(&c, ILibScratchPad2, UTIL_SHA384_HASHSIZE); SHA384_Update(&c, agent->agentNonce, UTIL_SHA384_HASHSIZE); SHA384_Update(&c, agent->serverNonce, UTIL_SHA384_HASHSIZE); SHA384_Final((unsigned char*)ILibScratchPad, &c); // Verify the hash signature using the server certificate evp_pubkey = X509_get_pubkey(serverCert); rsa_pubkey = EVP_PKEY_get1_RSA(evp_pubkey); if (RSA_verify(NID_sha384, (unsigned char*)ILibScratchPad, UTIL_SHA384_HASHSIZE, (unsigned char*)AuthVerify->signature, AuthVerify->signatureLen, rsa_pubkey) == 1) { // Server signature verified, we are good to go. agent->serverAuthState |= 1; // Store the server's TLS cert hash so in the future, we can skip server auth. ILibSimpleDataStore_PutEx(agent->masterDb, "ServerTlsCertHash", 17, ILibScratchPad2, UTIL_SHA384_HASHSIZE); // Send our agent information to the server MeshServer_SendAgentInfo(agent, WebStateObject); } else { printf("Invalid server signature\r\n"); if (agent->controlChannelDebug != 0) { ILIBLOGMESSAGEX("Invalid Server Signature"); } // TODO: Disconnect } RSA_free(rsa_pubkey); EVP_PKEY_free(evp_pubkey); X509_free(serverCert); } break; case MeshCommand_AuthConfirm: // Server indicates that we are authenticated, we can now send data. { if (agent->controlChannelDebug != 0) { printf("Authentication Complete...\n"); ILIBLOGMESSAGEX("Authentication Complete..."); } // We have to wait for the server to indicate that it authenticated the agent (us) before sending any data to the server. // Node authentication requires the server make database calls, so we need to delay. agent->serverAuthState |= 2; if (agent->serverAuthState == 3) { MeshServer_ServerAuthenticated(WebStateObject, agent); } } break; } } if (peer != NULL) { X509_free(peer); peer = NULL; } return; } #endif // If we get a authentication command after authentication is completed, ignore it. Commands 0 to 9 are reserved for authentication. if (command < 10) return; // If the command is JSON or binary over 1000, send it directly to the JavaScript code module // TODO: Verify with Bryan that only the core module will get this. No other modules should. if (cmd[0] == '{' || command >= 1000) { int popCount = 0; // if (cmd[0] == '{') { cmd[cmdLen] = 0; printf("%s\r\n", cmd); } // DEBUG: Print JSON command ILibDuktape_MeshAgent_PUSH(agent->meshCoreCtx, agent->chain); // [agent] duk_get_prop_string(agent->meshCoreCtx, -1, "emit"); // [agent][emit] duk_swap_top(agent->meshCoreCtx, -2); // [emit][this] duk_push_string(agent->meshCoreCtx, "Command"); // [emit][this][Command] if (cmd[0] == '{') { // JSON duk_push_global_object(agent->meshCoreCtx); // [emit][this][Command][g] duk_get_prop_string(agent->meshCoreCtx, -1, "JSON"); // [emit][this][Command][g][JSON] duk_get_prop_string(agent->meshCoreCtx, -1, "parse"); // [emit][this][Command][g][JSON][func] duk_swap_top(agent->meshCoreCtx, -3); // [emit][this][Command][func][JSON][g] duk_pop_2(agent->meshCoreCtx); // [emit][this][Command][func] duk_push_lstring(agent->meshCoreCtx, cmd, cmdLen); // [emit][this][Command][func][str] if (duk_pcall(agent->meshCoreCtx, 1) != 0) // [emit][this][Command][JSON] { duk_pop(agent->meshCoreCtx); // [emit][this][Command] duk_push_lstring(agent->meshCoreCtx, cmd, cmdLen); // [emit][this][Command][str] } popCount = 1; } else { // BINARY duk_push_external_buffer(agent->meshCoreCtx); // [emit][this][Command][extBuffer] duk_insert(agent->meshCoreCtx, -4); // [extBuffer][emit][this][Command] duk_config_buffer(agent->meshCoreCtx, -4, cmd, cmdLen); duk_push_buffer_object(agent->meshCoreCtx, -4, 0, cmdLen, DUK_BUFOBJ_NODEJS_BUFFER);// [extBuffer][emit][this][Command][buffer] popCount = 2; } if (duk_pcall_method(agent->meshCoreCtx, 2) != 0) { ILibDuktape_Process_UncaughtException(agent->meshCoreCtx); } duk_pop_n(agent->meshCoreCtx, popCount); // ... return; } // All these commands must have both a commandid and a requestid if (cmdLen < 4) return; requestid = ntohs(((unsigned short*)cmd)[1]); if (agent->controlChannelDebug != 0) { printf("BinaryCommand(%u, %u)...\n", command, requestid); ILIBLOGMESSAGEX("BinaryCommand(%u, %u)...", command, requestid); } // Process Core Module Commands here, but only if we aren't running a local script switch (command) { case MeshCommand_CompressedCoreModule: case MeshCommand_CoreModule: // New core modules to be used instead of the old one, if empty, remove the core module { char *coreException = NULL; MeshCommand_BinaryPacket_CoreModule *cm = (MeshCommand_BinaryPacket_CoreModule*)cmd; char *coremodule = cm->coreModule; size_t coremoduleLen = (size_t)cmdLen - sizeof(MeshCommand_BinaryPacket_CoreModule); // If the agent is running with a local core, ignore this command if (agent->localScript != 0) break; if (cmdLen > sizeof(MeshCommand_BinaryPacket_CoreModule)) // Setup a new mesh core. { char *hashref = ILibSimpleDataStore_GetHash(agent->masterDb, "CoreModule"); // Get the reference to the SHA384 hash for the currently running code if (hashref == NULL || memcmp(hashref, cm->coreModuleHash, sizeof(cm->coreModuleHash)) != 0) { agent->coreTimeout = NULL; // Setting this to null becuase we're going to stop the core. If we stop the core, this timeout will cleanup by itself. if (command == MeshCommand_CompressedCoreModule) { // meshcore is DEFLATE'ed, so we need to INFLATE it size_t decompressedModuleLen = 0; char *decompressedModule = NULL; if (ILibInflate(coremodule, coremoduleLen, NULL, &decompressedModuleLen, 0) == 0) { decompressedModule = (char*)ILibMemory_AllocateTemp(agent->chain, decompressedModuleLen); if (ILibInflate(coremodule, coremoduleLen, decompressedModule, &decompressedModuleLen, 0) == 0) { coremodule = decompressedModule; coremoduleLen = decompressedModuleLen; } else { decompressedModule = NULL; } } if (decompressedModule == NULL) { ILibRemoteLogging_printf(ILibChainGetLogger(agent->chain), ILibRemoteLogging_Modules_Microstack_Generic | ILibRemoteLogging_Modules_ConsolePrint, ILibRemoteLogging_Flags_VerbosityLevel_1, "MeshCore: INFLATE error"); break; } } // If server sends us the same core, just do nothing. // Server sent us a new core, start by storing it in the data store ILibSimpleDataStore_PutCompressed(agent->masterDb, "CoreModule", 10, coremodule, (int)coremoduleLen); // Store the JavaScript in the data store hashref = ILibSimpleDataStore_GetHash(agent->masterDb, "CoreModule"); // Get the reference to the SHA384 hash if (memcmp(hashref, cm->coreModuleHash, sizeof(cm->coreModuleHash)) != 0) { // Check the hash for sanity // Something went wrong, clear the data store ILibSimpleDataStore_Delete(agent->masterDb, "CoreModule"); // Stop the currently running core if present ILibRemoteLogging_printf(ILibChainGetLogger(agent->chain), ILibRemoteLogging_Modules_Microstack_Generic | ILibRemoteLogging_Modules_ConsolePrint, ILibRemoteLogging_Flags_VerbosityLevel_1, "MeshCore: Stop"); ScriptEngine_Stop(agent, MeshAgent_JavaCore_ContextGuid); // Tell the server we are no longer running a core module MeshCommand_BinaryPacket_CoreModule *rcm = (MeshCommand_BinaryPacket_CoreModule*)ILibScratchPad2; rcm->command = htons(MeshCommand_CoreModuleHash); // MeshCommand_CoreModuleHash (11), SHA384 hash of the code module rcm->request = htons(requestid); // Request id ILibWebClient_WebSocket_Send(WebStateObject, ILibWebClient_WebSocket_DataType_BINARY, (char*)rcm, 4, ILibAsyncSocket_MemoryOwnership_USER, ILibWebClient_WebSocket_FragmentFlag_Complete); break; } // Stop the current JavaScript core if present and launch the new one. // JavaScript located at (cmd + 36) of length (cmdLen - 36) //printf("CORE: Restart\r\n"); ILibRemoteLogging_printf(ILibChainGetLogger(agent->chain), ILibRemoteLogging_Modules_Microstack_Generic | ILibRemoteLogging_Modules_ConsolePrint, ILibRemoteLogging_Flags_VerbosityLevel_1, "MeshCore: Restart"); if ((coreException = ScriptEngine_Restart(agent, MeshAgent_JavaCore_ContextGuid, coremodule + 4, (int)coremoduleLen - 4)) != NULL) { ILibRemoteLogging_printf(ILibChainGetLogger(agent->chain), ILibRemoteLogging_Modules_Microstack_Generic | ILibRemoteLogging_Modules_ConsolePrint, ILibRemoteLogging_Flags_VerbosityLevel_1, "MeshCore: Error: %s", coreException); // TODO: Ylian: New Java Core threw an exception... Exception String is stored in 'coreException' } // Since we did a big write to the data store, good time to compact the store ILibSimpleDataStore_Compact(agent->masterDb); } // Create the server confirmation message that we are running the new core MeshCommand_BinaryPacket_CoreModule *rcm = (MeshCommand_BinaryPacket_CoreModule*)ILibScratchPad2; ((unsigned short*)ILibScratchPad2)[0] = htons(MeshCommand_CoreModuleHash); // MeshCommand_CoreModuleHash (11), SHA384 hash of the code module ((unsigned short*)ILibScratchPad2)[1] = htons(requestid); // Request id memcpy_s(ILibScratchPad2 + 4, sizeof(ILibScratchPad2) - 4, hashref, UTIL_SHA384_HASHSIZE); // SHA384 hash // Send the confirmation to the server ILibWebClient_WebSocket_Send(WebStateObject, ILibWebClient_WebSocket_DataType_BINARY, (char*)rcm, sizeof(MeshCommand_BinaryPacket_CoreModule), ILibAsyncSocket_MemoryOwnership_USER, ILibWebClient_WebSocket_FragmentFlag_Complete); } else if (cmdLen == 4) { // Server is telling us to stop running a core ILibSimpleDataStore_Delete(agent->masterDb, "CoreModule"); // Clear the core from datastore // Stop the current JavaScript core if present and launch the new one. ILibRemoteLogging_printf(ILibChainGetLogger(agent->chain), ILibRemoteLogging_Modules_Microstack_Generic | ILibRemoteLogging_Modules_ConsolePrint, ILibRemoteLogging_Flags_VerbosityLevel_1, "MeshCore: Stop"); ScriptEngine_Stop(agent, MeshAgent_JavaCore_ContextGuid); // Confirm to the server that we are not running any core MeshCommand_BinaryPacket_CoreModule *rcm = (MeshCommand_BinaryPacket_CoreModule*)ILibScratchPad2; rcm->command = htons(MeshCommand_CoreModuleHash); // MeshCommand_CoreModuleHash (11), SHA384 hash of the code module rcm->request = htons(requestid); // Request id ILibWebClient_WebSocket_Send(WebStateObject, ILibWebClient_WebSocket_DataType_BINARY, (char*)rcm, 4, ILibAsyncSocket_MemoryOwnership_USER, ILibWebClient_WebSocket_FragmentFlag_Complete); } break; } case MeshCommand_CoreModuleHash: // Request/return the SHA384 hash of the core module { // Tell the server what core module we are running char *hashref = ILibSimpleDataStore_GetHash(agent->masterDb, "CoreModule"); // Get the reference to the SHA384 hash int len = agent->localScript == 0 ? 4 : (int)sizeof(MeshCommand_BinaryPacket_CoreModule); // Confirm to the server what core we are running MeshCommand_BinaryPacket_CoreModule *rcm = (MeshCommand_BinaryPacket_CoreModule*)ILibScratchPad2; memset(rcm, 0, sizeof(MeshCommand_BinaryPacket_CoreModule)); rcm->command = htons(MeshCommand_CoreModuleHash); // MeshCommand_CoreModuleHash (11), SHA384 hash of the code module rcm->request = htons(requestid); // Request id if (agent->localScript == 0 && hashref != NULL) { memcpy_s(rcm->coreModuleHash, sizeof(rcm->coreModuleHash), hashref, UTIL_SHA384_HASHSIZE); len = sizeof(MeshCommand_BinaryPacket_CoreModule); } // Send the confirmation to the server ILibWebClient_WebSocket_Send(WebStateObject, ILibWebClient_WebSocket_DataType_BINARY, (char*)rcm, len, ILibAsyncSocket_MemoryOwnership_USER, ILibWebClient_WebSocket_FragmentFlag_Complete); break; } case MeshCommand_CoreOk: // Message from the server indicating our meshcore is ok. No update needed. { printf("Server verified meshcore..."); if (agent->coreTimeout != NULL) { // Cancel the timeout duk_push_global_object(agent->meshCoreCtx); // [g] duk_get_prop_string(agent->meshCoreCtx, -1, "clearTimeout");// [g][clearTimeout] duk_swap_top(agent->meshCoreCtx, -2); // [clearTimeout][this] duk_push_heapptr(agent->meshCoreCtx, agent->coreTimeout); // [clearTimeout][this][timeout] duk_pcall_method(agent->meshCoreCtx, 1); duk_pop(agent->meshCoreCtx); agent->coreTimeout = NULL; int CoreModuleLen = ILibSimpleDataStore_Get(agent->masterDb, "CoreModule", NULL, 0); if (CoreModuleLen <= 4) { printf(" meshcore not found...\n"); } else { printf(" Launching meshcore...\n"); char *CoreModule; if (agent->jsDebugPort != 0) { char tmp[255]; int tmpLen = sprintf_s(tmp, sizeof(tmp), "attachDebugger({ webport: %d, wait: 1 }).then(function (prt) { console.log('Point Browser for Debug to port: ' + prt); });\n", agent->jsDebugPort); CoreModule = (char*)ILibMemory_Allocate(CoreModuleLen + tmpLen, 0, NULL, NULL); ILibSimpleDataStore_Get(agent->masterDb, "CoreModule", CoreModule + tmpLen - 4, CoreModuleLen + tmpLen); memcpy_s(CoreModule + 4, CoreModuleLen - 4, tmp, tmpLen); CoreModuleLen += (tmpLen-4); } else { CoreModule = (char*)ILibMemory_Allocate(CoreModuleLen, 0, NULL, NULL); ILibSimpleDataStore_Get(agent->masterDb, "CoreModule", CoreModule, CoreModuleLen); } if (ILibDuktape_ScriptContainer_CompileJavaScriptEx(agent->meshCoreCtx, CoreModule + 4, CoreModuleLen - 4, "CoreModule.js", 13) != 0 || ILibDuktape_ScriptContainer_ExecuteByteCode(agent->meshCoreCtx) != 0) { ILibRemoteLogging_printf(ILibChainGetLogger(agent->chain), ILibRemoteLogging_Modules_Microstack_Generic | ILibRemoteLogging_Modules_ConsolePrint, ILibRemoteLogging_Flags_VerbosityLevel_1, "Error Executing MeshCore: %s", duk_safe_to_string(agent->meshCoreCtx, -1)); duk_pop(agent->meshCoreCtx); } free(CoreModule); } } else { // There's no timeout, probably because the core is already running printf(" meshcore already running...\n"); } break; } case MeshCommand_AgentHash: { // This is a request for the hash of the agent binary // Built the response that includes our self hash MeshCommand_BinaryPacket_CoreModule *rcm = (MeshCommand_BinaryPacket_CoreModule*)ILibScratchPad2; rcm->command = htons(MeshCommand_AgentHash); // MeshCommand_AgentHash (12), SHA384 hash of the agent executable rcm->request = htons(requestid); // Request id if (agent->disableUpdate != 0) { // Never update memset(rcm->coreModuleHash, 0, UTIL_SHA384_HASHSIZE); } else if (agent->forceUpdate != 0) { // Always Update memset(rcm->coreModuleHash, 0xFFFF, UTIL_SHA384_HASHSIZE); if (agent->logUpdate != 0) { ILIBLOGMESSSAGE("SelfUpdate -> Forcing Update..."); } } else { // Update when necessary memcpy_s(rcm->coreModuleHash, sizeof(rcm->coreModuleHash), agent->agentHash, UTIL_SHA384_HASHSIZE);// SHA384 hash of the agent executable } // Send the self hash back to the server ILibWebClient_WebSocket_Send(WebStateObject, ILibWebClient_WebSocket_DataType_BINARY, (char*)rcm, sizeof(MeshCommand_BinaryPacket_CoreModule), ILibAsyncSocket_MemoryOwnership_USER, ILibWebClient_WebSocket_FragmentFlag_Complete); break; } case MeshCommand_AgentUpdate: { #ifdef WIN32 char* updateFilePath = MeshAgent_MakeAbsolutePath(agent->exePath, ".update.exe"); #else char* updateFilePath = MeshAgent_MakeAbsolutePath(agent->exePath, ".update"); #endif char updateFileHash[UTIL_SHA384_HASHSIZE]; MeshCommand_BinaryPacket_CoreModule *cm = (MeshCommand_BinaryPacket_CoreModule*)cmd; if (cmdLen == 4) { // Indicates the start of the agent update transfer if (agent->logUpdate != 0) { ILIBLOGMESSSAGE("SelfUpdate -> Starting download..."); } util_deletefile(updateFilePath); } else if (cmdLen == sizeof(MeshCommand_BinaryPacket_CoreModule)) { // Indicates the end of the agent update transfer // Check the SHA384 hash of the received file against the file we got. if ((GenerateSHA384FileHash(updateFilePath, updateFileHash) == 0) && (memcmp(updateFileHash, cm->coreModuleHash, sizeof(cm->coreModuleHash)) == 0)) { //printf("UPDATE: End OK\r\n"); int updateTop = duk_get_top(agent->meshCoreCtx); if (agent->logUpdate != 0) { ILIBLOGMESSSAGE("SelfUpdate -> Download Complete... Hash verified"); } if (agent->fakeUpdate != 0) { int fsz; char *fsc; sprintf_s(ILibScratchPad, sizeof(ILibScratchPad), "%s.zip", agent->exePath); fsz = ILibReadFileFromDiskEx(&fsc, ILibScratchPad); if (fsz == 0) { fsz = ILibReadFileFromDiskEx(&fsc, agent->exePath); if (agent->logUpdate != 0) { ILIBLOGMESSSAGE("SelfUpdate -> Overriding update with same version..."); } } else { if (agent->logUpdate != 0) { ILIBLOGMESSSAGE("SelfUpdate -> Overriding update with provided zip..."); } } ILibWriteStringToDiskEx(updateFilePath, fsc, fsz); } if (agent->fakeUpdate != 0 || agent->forceUpdate != 0) { ILibSimpleDataStore_Put(agent->masterDb, "disableUpdate", "1"); if (agent->logUpdate != 0) { ILIBLOGMESSSAGE("SelfUpdate -> Disabling future updates..."); } } duk_eval_string(agent->meshCoreCtx, "require('zip-reader')"); // [reader] duk_prepare_method_call(agent->meshCoreCtx, -1, "isZip"); // [reader][isZip][this] duk_push_string(agent->meshCoreCtx, updateFilePath); // [reader][isZip][this][path] duk_pcall_method(agent->meshCoreCtx, 1); // [reader][boolean] if (duk_to_boolean(agent->meshCoreCtx, -1)) { // Update File is zipped if (agent->logUpdate != 0) { ILIBLOGMESSSAGE("SelfUpdate -> Unzipping update..."); } duk_eval_string(agent->meshCoreCtx, "require('update-helper')"); // [helper] duk_prepare_method_call(agent->meshCoreCtx, -1, "start"); // [helper][start][this] duk_push_string(agent->meshCoreCtx, updateFilePath); // [helper][start][this][path] if (duk_pcall_method(agent->meshCoreCtx, 1) == 0) // [helper][promise] { duk_prepare_method_call(agent->meshCoreCtx, -1, "then"); // [helper][promise][then][this] duk_push_c_function(agent->meshCoreCtx, MeshServer_selfupdate_unzip_complete, DUK_VARARGS);//..][res] duk_push_c_function(agent->meshCoreCtx, MeshServer_selfupdate_unzip_error, DUK_VARARGS);//[this][res][rej] duk_pcall_method(agent->meshCoreCtx, 2); } else { if (agent->logUpdate != 0) { sprintf_s(ILibScratchPad, sizeof(ILibScratchPad), "SelfUpdate -> Error Unzipping: %s", duk_safe_to_string(agent->meshCoreCtx, -1)); ILIBLOGMESSSAGE(ILibScratchPad); } } duk_set_top(agent->meshCoreCtx, updateTop); // ... break; // Break out here, and continue when finished unzipping (or in the case of error, abort) } duk_set_top(agent->meshCoreCtx, updateTop); // ... MeshServer_selfupdate_continue(agent); } else { // Hash check failed, delete the file and do nothing. On next server reconnect, we will try again. if (agent->logUpdate != 0) { ILIBLOGMESSSAGE("SelfUpdate -> Download Complete... Hash FAILED, aborting update..."); } util_deletefile(updateFilePath); } } break; } case MeshCommand_AgentUpdateBlock: { // Write the mesh agent block to file #ifdef WIN32 char* updateFilePath = MeshAgent_MakeAbsolutePath(agent->exePath, ".update.exe"); #else char* updateFilePath = MeshAgent_MakeAbsolutePath(agent->exePath, ".update"); #endif // We have to try to write until it works, fopen sometimes fails while (util_appendfile(updateFilePath, cmd + 4, cmdLen - 4) == 0) { #ifdef WIN32 Sleep(100); #else sleep(100); #endif } // Confirm we got a mesh agent update block ((unsigned short*)ILibScratchPad2)[0] = htons(MeshCommand_AgentUpdateBlock); // MeshCommand_AgentHash (14), SHA384 hash of the agent executable ((unsigned short*)ILibScratchPad2)[1] = htons(requestid); // Request id ILibWebClient_WebSocket_Send(WebStateObject, ILibWebClient_WebSocket_DataType_BINARY, ILibScratchPad2, 4, ILibAsyncSocket_MemoryOwnership_USER, ILibWebClient_WebSocket_FragmentFlag_Complete); break; } } } void MeshServer_ControlChannel_IdleTimeout_PongTimeout(void *object) { // We didn't receive a timely PONG response, so we must disconnect the control channel, and reconnect MeshAgentHostContainer *agent = PingData2Agent(object); if (agent->controlChannelDebug != 0) { printf("AgentCore/MeshServer_ControlChannel_IdleTimeout(): PONG TIMEOUT\n"); ILIBLOGMESSAGEX("AgentCore/MeshServer_ControlChannel_IdleTimeout(): PONG TIMEOUT\n"); } ILibWebClient_Disconnect(agent->controlChannel); agent->controlChannel = NULL; } void MeshServer_ControlChannel_IdleTimeout(ILibWebClient_StateObject WebStateObject, void *user) { MeshAgentHostContainer *agent = (MeshAgentHostContainer*)user; if (agent->controlChannelDebug != 0) { printf("AgentCore/MeshServer_ControlChannel_IdleTimeout(): Sending Ping\n"); ILIBLOGMESSAGEX("AgentCore/MeshServer_ControlChannel_IdleTimeout(): Sending Ping\n"); } ILibLifeTime_Add(ILibGetBaseTimer(agent->chain), Agent2PingData(agent), 5, MeshServer_ControlChannel_IdleTimeout_PongTimeout, NULL); ILibWebClient_WebSocket_Ping(WebStateObject); ILibWebClient_SetTimeout(WebStateObject, agent->controlChannel_idleTimeout_seconds, MeshServer_ControlChannel_IdleTimeout, user); ILibRemoteLogging_printf(ILibChainGetLogger(agent->chain), ILibRemoteLogging_Modules_Agent_GuardPost , ILibRemoteLogging_Flags_VerbosityLevel_1, "AgentCore/MeshServer_ControlChannel_IdleTimeout(): Sending Ping"); } ILibWebClient_WebSocket_PingResponse MeshServer_ControlChannel_PingSink(ILibWebClient_StateObject WebStateObject, void *user) { return ILibWebClient_WebSocket_PingResponse_Respond; } void MeshServer_ControlChannel_PongSink(ILibWebClient_StateObject WebStateObject, void *user) { MeshAgentHostContainer *agent = (MeshAgentHostContainer*)user; ILibLifeTime_Remove(ILibGetBaseTimer(agent->chain), Agent2PingData(agent)); if (agent->controlChannelDebug != 0) { printf("AgentCore/MeshServer_ControlChannel_IdleTimeout(): Pong Received\n"); ILIBLOGMESSAGEX("AgentCore/MeshServer_ControlChannel_IdleTimeout(): Pong Received\n"); } #ifdef _REMOTELOGGING ILibRemoteLogging_printf(ILibChainGetLogger(agent->chain), ILibRemoteLogging_Modules_Agent_GuardPost , ILibRemoteLogging_Flags_VerbosityLevel_1, "AgentCore/MeshServer_ControlChannel_IdleTimeout(): Received Pong"); #endif } void MeshServer_OnResponse(ILibWebClient_StateObject WebStateObject, int InterruptFlag, struct packetheader *header, char *bodyBuffer, int *beginPointer, int endPointer, ILibWebClient_ReceiveStatus recvStatus, void *user1, void *user2, int *PAUSE) { MeshAgentHostContainer *agent = (MeshAgentHostContainer*)user1; ILibChain_Link_SetMetadata(ILibChain_GetCurrentLink(agent->chain), "MeshServer_ControlChannel"); if (agent->controlChannelRequest != NULL) { ILibLifeTime_Remove(ILibGetBaseTimer(agent->chain), agent->controlChannelRequest); ILibMemory_Free(agent->controlChannelRequest); agent->controlChannelRequest = NULL; } // Look at the various connection states and handle data if needed switch (recvStatus) { case ILibWebClient_ReceiveStatus_Partial: case ILibWebClient_ReceiveStatus_LastPartial: *beginPointer = endPointer; // ToDo: Buffer this data and send it up break; case ILibWebClient_ReceiveStatus_Connection_Established: // New connection established. { if (agent->controlChannelDebug != 0) { printf("Control Channel Connection Established...\n"); ILIBLOGMESSAGEX("Control Channel Connection Established..."); } #ifndef MICROSTACK_NOTLS int len; #endif int idleLen; if ((idleLen = ILibSimpleDataStore_Get(agent->masterDb, "controlChannelIdleTimeout", NULL, 0)) != 0) { if (idleLen > 15) { agent->controlChannel_idleTimeout_seconds = DEFAULT_IDLE_TIMEOUT; } else { char idleBuffer[16]; idleBuffer[ILibSimpleDataStore_Get(agent->masterDb, "controlChannelIdleTimeout", idleBuffer, sizeof(idleBuffer)-1)] = 0; if (ILib_atoi_int32(&(agent->controlChannel_idleTimeout_seconds), idleBuffer, sizeof(idleBuffer)) == 0) { agent->controlChannel_idleTimeout_seconds = DEFAULT_IDLE_TIMEOUT; } } } else { agent->controlChannel_idleTimeout_seconds = DEFAULT_IDLE_TIMEOUT; } agent->controlChannel = WebStateObject; // Set the agent MeshCentral server control channel ILibRemoteLogging_printf(ILibChainGetLogger(agent->chain), ILibRemoteLogging_Modules_Agent_GuardPost | ILibRemoteLogging_Modules_ConsolePrint, ILibRemoteLogging_Flags_VerbosityLevel_1, "Control Channel Idle Timeout = %d seconds", agent->controlChannel_idleTimeout_seconds); ILibWebClient_SetTimeout(WebStateObject, agent->controlChannel_idleTimeout_seconds, MeshServer_ControlChannel_IdleTimeout, agent); ILibWebClient_WebSocket_SetPingPongHandler(WebStateObject, MeshServer_ControlChannel_PingSink, MeshServer_ControlChannel_PongSink, agent); #ifndef MICROSTACK_NOTLS X509* peer = ILibWebClient_SslGetCert(WebStateObject); agent->serverAuthState = 0; // We are not authenticated. Bitmask: 1 = Server Auth, 2 = Agent Auth. agent->serverConnectionState = 2; // Send the ServerID to the server, this is useful for the server to use the correct certificate to authenticate. MeshCommand_BinaryPacket_ServerId *serveridcmd = (MeshCommand_BinaryPacket_ServerId*)ILibScratchPad2; serveridcmd->command = htons(MeshCommand_ServerId); memcpy_s(serveridcmd->serverId, sizeof(serveridcmd->serverId), agent->serverHash, sizeof(agent->serverHash)); // Place our mesh agent nonce if ((int)ILibWebClient_WebSocket_Send(WebStateObject, ILibWebClient_WebSocket_DataType_BINARY, (char*)serveridcmd, sizeof(MeshCommand_BinaryPacket_ServerId), ILibAsyncSocket_MemoryOwnership_USER, ILibWebClient_WebSocket_FragmentFlag_Complete) < 0) { break; } // Check to see if we already have a validated TLS cert hash { MeshCommand_BinaryPacket_AuthRequest *ar = (MeshCommand_BinaryPacket_AuthRequest*)ILibScratchPad2; util_certhash2(peer, ar->serverHash); // Hash the server certificate public key and place it len = ILibSimpleDataStore_GetEx(agent->masterDb, "ServerTlsCertHash", 17, ILibScratchPad, sizeof(ILibScratchPad)); if ((len == UTIL_SHA384_HASHSIZE) && (memcmp(ILibScratchPad, ar->serverHash, UTIL_SHA384_HASHSIZE) == 0)) { if (agent->controlChannelDebug != 0) { printf("TLS Server Cert matches Mesh Server Cert...\n"); ILIBLOGMESSAGEX("TLS Server Cert matches Mesh Server Cert..."); } // The TLS certificate of this server is correct, no need to authenticate further. unsigned short response = htons(MeshCommand_AuthConfirm); // Send indication to the server that it's already authenticated agent->serverAuthState = 1; ILibWebClient_WebSocket_Send(WebStateObject, ILibWebClient_WebSocket_DataType_BINARY, (char*)&response, 2, ILibAsyncSocket_MemoryOwnership_USER, ILibWebClient_WebSocket_FragmentFlag_Complete); } if (agent->controlChannelDebug != 0) { printf("Sending Authentication Data...\n"); ILIBLOGMESSAGEX("Sending Authentication Data..."); } // Start authentication by sending a auth nonce & server TLS cert hash - If we indicated AuthConfirm already, the server will use this data but not respond to it. // Send 384 bits SHA384 hash of TLS cert public key + 384 bits nonce util_random(sizeof(agent->agentNonce), agent->agentNonce); // Generate a new mesh agent connection nonce ar->command = htons(MeshCommand_AuthRequest); // MeshCommand_AuthRequest (1), server hash + nonce if (peer != NULL) { X509_free(peer); } memcpy_s(ar->serverNonce, sizeof(ar->serverNonce), agent->agentNonce, sizeof(agent->agentNonce)); // Place our mesh agent nonce ILibWebClient_WebSocket_Send(WebStateObject, ILibWebClient_WebSocket_DataType_BINARY, (char*)ar, sizeof(MeshCommand_BinaryPacket_AuthRequest), ILibAsyncSocket_MemoryOwnership_USER, ILibWebClient_WebSocket_FragmentFlag_Complete); // If we know this is a good server, send our agent information right now. if (agent->serverAuthState == 1) { MeshServer_SendAgentInfo(agent, WebStateObject); } } #endif break; } case ILibWebClient_ReceiveStatus_Complete: // Disconnection if (agent->controlChannelDebug != 0) { printf("Control Channel Disconnected...\n"); ILIBLOGMESSAGEX("Control Channel Disconnected..."); } // If the channel had been authenticated, inform JavaScript core module that we are not disconnected #ifndef MICROSTACK_NOTLS if (agent->serverAuthState == 3) #endif { if (agent->meshCoreCtx != NULL) { ILibDuktape_MeshAgent_PUSH(agent->meshCoreCtx, agent->chain); // [agent] duk_get_prop_string(agent->meshCoreCtx, -1, "emit"); // [agent][emit] duk_swap_top(agent->meshCoreCtx, -2); // [emit][this] duk_push_string(agent->meshCoreCtx, "Connected"); // [emit][this][Connected] duk_push_int(agent->meshCoreCtx, 0); // [emit][this][Connected][0] (0 means disconnected) if (duk_pcall_method(agent->meshCoreCtx, 2) != 0) { ILibDuktape_Process_UncaughtException(agent->meshCoreCtx); } duk_pop(agent->meshCoreCtx); } } agent->serverAuthState = 0; agent->controlChannel = NULL; // Set the agent MeshCentral server control channel agent->serverConnectionState = 0; break; case ILibWebClient_ReceiveStatus_MoreDataToBeReceived: // Data received if (header->StatusCode == 101) { // Process Mesh Agent commands MeshServer_ProcessCommand(WebStateObject, agent, bodyBuffer, endPointer); } else { printf("Protocol Error encountered...\n"); } break; } // If there are no headers, this is a connection error. Log it and try again... if (header == NULL) { if (ILibIsChainBeingDestroyed(agent->chain)) { return; } ILibRemoteLogging_printf(ILibChainGetLogger(ILibWebClient_GetChainFromWebStateObject(WebStateObject)), ILibRemoteLogging_Modules_Agent_GuardPost, ILibRemoteLogging_Flags_VerbosityLevel_1, "Agent Host Container: Mesh Server Connection Error, trying again later."); printf("Mesh Server Connection Error\n"); if (agent->logUpdate != 0) { sprintf_s(ILibScratchPad, sizeof(ILibScratchPad), "Connection Error [%p, %d]...\n", WebStateObject, InterruptFlag); ILIBLOGMESSSAGE(ILibScratchPad); } if (agent->multicastServerUrl != NULL) { free(agent->multicastServerUrl); agent->multicastServerUrl = NULL; } MeshServer_Connect(agent); return; } if (recvStatus != ILibWebClient_ReceiveStatus_Partial) { *beginPointer = endPointer; } // TODO: Confirm with Bryan that this is how partial data works } #ifdef MICROSTACK_PROXY void MeshServer_ConnectEx_Enumerate_Contexts(ILibHashtable sender, void *Key1, char* Key2, int Key2Len, void *Data, void *user) { MeshAgentHostContainer *agent = (MeshAgentHostContainer*)user; if (Key1 == NULL && ((SCRIPT_ENGINE_ISOLATION*)Data)->reserved != 0) { // This is a regular Duktape Context duk_context *ctx = (duk_context*)Data; ScriptContainerSettings *settings = ScriptEngine_GetSettings(ctx); if (settings != NULL && (settings->permissions & SCRIPT_ENGINE_NO_MESH_AGENT_ACCESS) == 0) { memcpy_s(&(ILibDuktape_GetNewGlobalTunnel(ctx)->proxyServer), sizeof(struct sockaddr_in6), agent->proxyServer, sizeof(struct sockaddr_in6)); } } } #endif void MeshServer_ConnectEx_NetworkError(void *j) { MeshAgentHostContainer *agent = (MeshAgentHostContainer*)((void**)j)[0]; void *request = ((void**)j)[1]; ILibMemory_Free(j); if (agent->controlChannelDebug != 0) { ILIBLOGMESSAGEX("Network Timeout Occurred..."); } printf("Network Timeout occurred...\n"); ILibWebClient_CancelRequest(request); MeshServer_ConnectEx(agent); } void MeshServer_ConnectEx_NetworkError_Cleanup(void *j) { ILibMemory_Free(j); } void MeshServer_ConnectEx(MeshAgentHostContainer *agent) { size_t len, serverUrlLen; char *path; char *host; char *serverUrl; unsigned short port; struct sockaddr_in6 meshServer; ILibHTTPPacket *req; ILibWebClient_RequestToken reqToken; parser_result *rs; parser_result_field *f; // If this is called while we are in any connection state, just leave now. if (agent->serverConnectionState != 0) return; if (ILibIsChainBeingDestroyed(agent->chain) != 0) { return; } len = ILibSimpleDataStore_Get(agent->masterDb, "MeshServer", ILibScratchPad2, sizeof(ILibScratchPad2)); if (len == 0) { printf("No MeshCentral settings found, place .msh file with this executable and restart.\r\n"); ILibRemoteLogging_printf(ILibChainGetLogger(agent->chain), ILibRemoteLogging_Modules_Microstack_Generic, ILibRemoteLogging_Flags_VerbosityLevel_1, "agentcore: MeshServer URI not found"); return; } rs = ILibParseString(ILibScratchPad2, 0, len, ",", 1); if (agent->serverIndex == 0) { int rval; util_random(4, (char*)&rval); agent->serverIndex = (rval % rs->NumResults) + 1; } else { #ifdef MICROSTACK_PROXY if (agent->triedNoProxy_Index == agent->serverIndex) #endif { agent->serverIndex = (agent->serverIndex % rs->NumResults) + 1; agent->triedNoProxy_Index = agent->serverIndex - 1; } } f = ILibParseString_GetResultIndex(rs, agent->serverIndex); f->datalength = ILibTrimString(&(f->data), f->datalength); f->data[f->datalength] = 0; serverUrl = f->data; serverUrlLen = f->datalength; if (f->datalength == 5 && memcmp(f->data, "local", 5) == 0) { if (agent->multicastServerUrl != NULL) { serverUrl = agent->multicastServerUrl; serverUrlLen = strnlen_s(serverUrl, sizeof(ILibScratchPad)); } else { // Multicast discovery packet to try to find our server if ((agent->multicastDiscovery2 != NULL) && (ILibSimpleDataStore_Get(agent->masterDb, "ServerID", ILibScratchPad2, sizeof(ILibScratchPad2)) == 97)) { #ifndef MICROSTACK_NOTLS // If the discovery key is set, use it to encrypt the UDP packet if (agent->multicastDiscoveryKey != NULL) { EVP_CIPHER_CTX *enc_ctx; int enclength = sizeof(ILibScratchPad) - 16, packetLen; util_random(16, ILibScratchPad); // Select a random IV enc_ctx = EVP_CIPHER_CTX_new(); EVP_EncryptInit(enc_ctx, EVP_aes_256_cbc(), agent->multicastDiscoveryKey, (unsigned char*)ILibScratchPad); if (EVP_EncryptUpdate(enc_ctx, (unsigned char*)(ILibScratchPad + 16), &enclength, (unsigned char*)ILibScratchPad2, 96)) { packetLen = enclength; enclength = sizeof(ILibScratchPad) - 16 - packetLen; if (EVP_EncryptFinal_ex(enc_ctx, (unsigned char*)(ILibScratchPad + 16 + packetLen), &enclength)) { // Send the encrypted packet ILibMulticastSocket_Broadcast(agent->multicastDiscovery2, ILibScratchPad, 16 + packetLen + enclength, 1); } } EVP_CIPHER_CTX_free(enc_ctx); } else #endif { // No discovery key set, broadcast without encryption ILibMulticastSocket_Broadcast(agent->multicastDiscovery2, ILibScratchPad2, 96, 1); } } ILibDestructParserResults(rs); MeshServer_Connect(agent); return; } } if (serverUrlLen < sizeof(agent->serveruri)) { strcpy_s(agent->serveruri, sizeof(agent->serveruri), serverUrl); } else { agent->serveruri[0] = 0; } if (strcmp("wss://swarm.meshcentral.com:443/agent.ashx", agent->serveruri) == 0) { // Bad server value, from MeshCentral Migration... We need to fix the URI if (agent->controlChannelDebug != 0) { printf("Swapping [%s] for [%s]\n", agent->serveruri, "wss://meshcentral.com:443/agent.ashx"); ILIBLOGMESSAGEX("Swapping [%s] for [%s]", agent->serveruri, "wss://meshcentral.com:443/agent.ashx"); } strcpy_s(agent->serveruri, sizeof(agent->serveruri), "wss://meshcentral.com:443/agent.ashx"); strcpy_s(serverUrl, serverUrlLen, "wss://meshcentral.com:443/agent.ashx"); serverUrlLen = (int)strnlen_s(serverUrl, serverUrlLen); } #ifndef MICROSTACK_NOTLS ILibParseUriResult result = ILibParseUri(serverUrl, &host, &port, &path, &meshServer); #else ILibParseUri(serverUrl, &host, &port, &path, &meshServer); #endif if (meshServer.sin6_family == AF_UNSPEC) { // Could not resolve host name if (ILibSimpleDataStore_GetEx(agent->masterDb, serverUrl, serverUrlLen, (char*)&meshServer, sizeof(struct sockaddr_in6)) == 0) { meshServer.sin6_family = AF_UNSPEC; ILibRemoteLogging_printf(ILibChainGetLogger(agent->chain), ILibRemoteLogging_Modules_Agent_GuardPost, ILibRemoteLogging_Flags_VerbosityLevel_1, "agentcore: Could not resolve: %s", ILibScratchPad); printf("agentcore: Could not resolve: %s\n", host); } } else { // Successfully resolved host name struct sockaddr_in6 tempAddr; len = ILibSimpleDataStore_GetEx(agent->masterDb, serverUrl, serverUrlLen, (char*)&tempAddr, sizeof(struct sockaddr_in6)); if (len == 0) { // No entry in DB, so update the value ILibSimpleDataStore_PutEx(agent->masterDb, serverUrl, serverUrlLen, (char*)&meshServer, ILibInet_StructSize(&meshServer)); } else { // Entry exists, lets see if we need to update if (tempAddr.sin6_family != meshServer.sin6_family || memcmp(&tempAddr, &meshServer, ILibInet_StructSize(&meshServer)) != 0) { // Entry was different, so we need to update it ILibSimpleDataStore_PutEx(agent->masterDb, serverUrl, serverUrlLen, (char*)&meshServer, ILibInet_StructSize(&meshServer)); } } // Update the DNS entry in the db. (It only updates if it changed) len=sprintf_s(ILibScratchPad, sizeof(ILibScratchPad), "DNS[%s]", host); char *tmp = ILibRemoteLogging_ConvertAddress((struct sockaddr*)&meshServer); ILibSimpleDataStore_PutEx(agent->masterDb, ILibScratchPad, len,tmp , (int)strnlen_s(tmp, sizeof(ILibScratchPad))); } ILibRemoteLogging_printf(ILibChainGetLogger(agent->chain), ILibRemoteLogging_Modules_Agent_GuardPost, ILibRemoteLogging_Flags_VerbosityLevel_1, "AgentCore: Attempting connection to: %s", serverUrl); ILibDestructParserResults(rs); if ((len = ILibSimpleDataStore_Get(agent->masterDb, "ServerID", ILibScratchPad2, sizeof(ILibScratchPad2))) == 0) { printf("ServerID entry not found in Db!\n"); free(host); free(path); return; } rs = ILibParseString(ILibScratchPad2, 0, len, ",", 1); f = ILibParseString_GetResultIndex(rs, agent->serverIndex); if (f == NULL) { // Invalid Server ID Count printf("ServerID Count Mismatch\r\n"); ILibRemoteLogging_printf(ILibChainGetLogger(agent->chain), ILibRemoteLogging_Modules_Agent_GuardPost, ILibRemoteLogging_Flags_VerbosityLevel_1, "AgentCore: ServerID Count Mismatch. Hash Count = %d, Server Index = %d", rs->NumResults, agent->serverIndex); ILibDestructParserResults(rs); free(host); free(path); return; } f->datalength = ILibTrimString(&(f->data), f->datalength); if (f->datalength / 2 > sizeof(agent->serverHash)) { printf("ServerID too big\r\n"); ILibRemoteLogging_printf(ILibChainGetLogger(agent->chain), ILibRemoteLogging_Modules_Agent_GuardPost, ILibRemoteLogging_Flags_VerbosityLevel_1, "AgentCore: ServerID too big. Was %d bytes, but expected %d bytes", f->datalength / 2, sizeof(agent->serverHash) - 1); ILibDestructParserResults(rs); free(host); free(path); return; } memset(agent->serverHash, 0, sizeof(agent->serverHash)); util_hexToBuf(f->data, f->datalength, agent->serverHash); ILibDestructParserResults(rs); len = ILibSimpleDataStore_Get(agent->masterDb, "MeshID", ILibScratchPad, sizeof(ILibScratchPad)); if ((len != 32) && (len != 48)) { printf("MeshID entry not found in db or bad size.\n"); return; } // Make sure MeshID is both present and SHA256 or SHA384. memset(agent->meshId, 0, sizeof(agent->meshId)); // Clear the meshid first in case we copy SHA256 memcpy_s(agent->meshId, sizeof(agent->meshId), ILibScratchPad, len); // Copy the correct length #ifndef MICROSTACK_NOTLS util_keyhash(agent->selfcert, agent->g_selfid); // Compute our own identifier using our certificate #endif req = ILibCreateEmptyPacket(); ILibSetVersion(req, "1.1", 3); ILibSetDirective(req, "GET", 3, path, (int)strnlen_s(path, serverUrlLen)); if ((port == 443 && strncmp("wss:", agent->serveruri, 4) == 0) || (port == 80 && strncmp("ws:", agent->serveruri, 3) == 0)) { // Default Port, so host field only contains hostname ILibAddHeaderLine(req, "Host", 4, host, (int)strnlen_s(host, serverUrlLen)); } else { // Non default port, so host field needs to contain port number too ILibAddHeaderLine(req, "Host", 4, ILibScratchPad, (int)sprintf_s(ILibScratchPad, sizeof(ILibScratchPad), "%s:%u", host, port)); } free(path); if (meshServer.sin6_family != AF_UNSPEC) { strcpy_s(agent->serverip, sizeof(agent->serverip), ILibRemoteLogging_ConvertAddress((struct sockaddr*)&meshServer)); printf("Connecting to: %s\n", agent->serveruri); if (agent->logUpdate != 0 || agent->controlChannelDebug != 0) { ILIBLOGMESSAGEX("Connecting to: %s", agent->serveruri); } ILibWebClient_AddWebSocketRequestHeaders(req, 65535, MeshServer_OnSendOK); if (agent->webSocketMaskOverride != 0) { ILibHTTPPacket_Stash_Put(req, "_WebSocketMaskOverride", 22, (void*)(uintptr_t)0x01); } void **tmp = ILibMemory_SmartAllocate(2 * sizeof(void*)); agent->controlChannelRequest = tmp; tmp[0] = agent; tmp[1] = reqToken = ILibWebClient_PipelineRequest(agent->httpClientManager, (struct sockaddr*)&meshServer, req, MeshServer_OnResponse, agent, NULL); ILibLifeTime_Add(ILibGetBaseTimer(agent->chain), tmp, 20, MeshServer_ConnectEx_NetworkError, MeshServer_ConnectEx_NetworkError_Cleanup); #ifndef MICROSTACK_NOTLS ILibWebClient_Request_SetHTTPS(reqToken, result == ILibParseUriResult_TLS ? ILibWebClient_RequestToken_USE_HTTPS : ILibWebClient_RequestToken_USE_HTTP); ILibWebClient_Request_SetSNI(reqToken, host, (int)strnlen_s(host, serverUrlLen)); #endif if ((ILibSimpleDataStore_GetEx(agent->masterDb, "ignoreProxyFile", 15, ILibScratchPad, sizeof(ILibScratchPad)) == 0) && ((len = ILibSimpleDataStore_Get(agent->masterDb, "WebProxy", ILibScratchPad, sizeof(ILibScratchPad))) != 0 || (len = MeshAgent_GetSystemProxy(agent, ILibScratchPad, sizeof(ILibScratchPad))) != 0)) { #ifdef MICROSTACK_PROXY duk_eval_string(agent->meshCoreCtx, "require('http')"); // [http] duk_get_prop_string(agent->meshCoreCtx, -1, "parseUri"); // [http][parse] duk_swap_top(agent->meshCoreCtx, -2); // [parse][this] duk_push_string(agent->meshCoreCtx, ILibScratchPad); // [parse][this][uri] if (duk_pcall_method(agent->meshCoreCtx, 1) == 0) // [uri] { unsigned short proxyPort = (unsigned short)Duktape_GetIntPropertyValue(agent->meshCoreCtx, -1, "port", 80); char *proxyHost = (char*)Duktape_GetStringPropertyValue(agent->meshCoreCtx, -1, "host", NULL); char *proxyUsername = (char*)Duktape_GetStringPropertyValue(agent->meshCoreCtx, -1, "username", NULL); char *proxyPassword = (char*)Duktape_GetStringPropertyValue(agent->meshCoreCtx, -1, "password", NULL); if (agent->triedNoProxy_Index < agent->serverIndex && agent->proxyServer != NULL) { printf("Disabling Proxy: %s:%u\n", proxyHost, proxyPort); agent->triedNoProxy_Index++; agent->proxyServer = ILibWebClient_SetProxy(reqToken, NULL, 0, NULL, NULL);; if (duk_peval_string(agent->meshCoreCtx, "require('global-tunnel');") == 0) { duk_get_prop_string(agent->meshCoreCtx, -1, "end"); // [tunnel][end] duk_swap_top(agent->meshCoreCtx, -2); // [end][this] duk_pcall_method(agent->meshCoreCtx, 0); // [undefined] } duk_pop(agent->meshCoreCtx); // ... } else { printf("Using proxy: %s:%u\n", proxyHost, proxyPort); if (proxyUsername != NULL) { printf(" => with username: %s\n", proxyUsername); } if (agent->logUpdate != 0) { ILIBLOGMESSAGEX("Using proxy: %s:%u", proxyHost, proxyPort); if (proxyUsername != NULL) { ILIBLOGMESSAGEX(" => with username: %s", proxyUsername); } } agent->proxyServer = ILibWebClient_SetProxy(reqToken, proxyHost, proxyPort, proxyUsername, proxyPassword); if (agent->proxyServer != NULL) { ILibDuktape_globalTunnel_data *proxy = ILibDuktape_GetNewGlobalTunnel(agent->meshCoreCtx); memcpy_s(&(proxy->proxyServer), sizeof(struct sockaddr_in6), agent->proxyServer, sizeof(struct sockaddr_in6)); if (proxyUsername != NULL && proxyPassword != NULL) { memcpy_s(proxy->proxyUser, sizeof(proxy->proxyUser), proxyUsername, strnlen_s(proxyUsername, sizeof(proxy->proxyUser))); memcpy_s(proxy->proxyPass, sizeof(proxy->proxyPass), proxyPassword, strnlen_s(proxyPassword, sizeof(proxy->proxyPass))); } } } } duk_pop(agent->meshCoreCtx); // ... #else ILibRemoteLogging_printf(ILibChainGetLogger(agent->chain), ILibRemoteLogging_Modules_Agent_GuardPost | ILibRemoteLogging_Modules_ConsolePrint, ILibRemoteLogging_Flags_VerbosityLevel_1, "AgentCore.MeshServer_ConnectEx(): Proxy Specified, but support was not enabled in this build"); #endif } else { // No Proxy was specified agent->triedNoProxy_Index++; } agent->serverConnectionState = 1; // We are trying to connect } else { ILibDestructPacket(req); MeshServer_Connect(agent); } free(host); } void MeshServer_DbWarning(ILibSimpleDataStore db, uint64_t size, void *user) { MeshAgentHostContainer *agent = (MeshAgentHostContainer*)user; MeshAgent_sendConsoleText(agent->meshCoreCtx, "Database Size Warning: [%llu bytes]", size); } void MeshServer_Agent_SelfTest(MeshAgentHostContainer *agent) { int CoreModuleLen = ILibSimpleDataStore_Get(agent->masterDb, "CoreModule", NULL, 0); char *CoreModule; //int CoreModuleTesterLen = ILibSimpleDataStore_Get(agent->masterDb, "CoreModuleTester", NULL, 0); //char *CoreModule, *CoreModuleTester; char *argarray; size_t argarrayLen; argarrayLen = (size_t)ILibSimpleDataStore_Cached_GetJSONEx(agent->masterDb, NULL, 0); ILibMemory_AllocateRaw(argarray, argarrayLen); ILibSimpleDataStore_Cached_GetJSONEx(agent->masterDb, argarray, (int)argarrayLen); duk_push_heapptr(agent->meshCoreCtx, ILibDuktape_GetProcessObject(agent->meshCoreCtx)); // [process] duk_push_string(agent->meshCoreCtx, argarray); // [process][string] duk_json_decode(agent->meshCoreCtx, -1); // [process][json] duk_put_prop_string(agent->meshCoreCtx, -2, "\xFF_argArray"); // [process] duk_pop(agent->meshCoreCtx); printf("Agent Self Test...\n"); if (agent->coreTimeout != 0) { duk_push_global_object(agent->meshCoreCtx); // [g] duk_get_prop_string(agent->meshCoreCtx, -1, "clearTimeout"); // [g][clearTimeout] duk_swap_top(agent->meshCoreCtx, -2); // [clearTimeout][this] duk_push_heapptr(agent->meshCoreCtx, agent->coreTimeout); // [clearTimeout][this][timeout] duk_pcall_method(agent->meshCoreCtx, 1); duk_pop(agent->meshCoreCtx); // ... agent->coreTimeout = NULL; } printf(" -> Loading meshcore.js from db ........"); if (CoreModuleLen <= 4) { printf("[NOT FOUND]\n"); return; } else { printf("[OK]\n"); agent->serverAuthState = 3; ILibMemory_AllocateRaw(CoreModule, CoreModuleLen); ILibSimpleDataStore_Get(agent->masterDb, "CoreModule", CoreModule, CoreModuleLen); if (ILibDuktape_ScriptContainer_CompileJavaScriptEx(agent->meshCoreCtx, CoreModule + 4, CoreModuleLen - 4, "CoreModule.js", 13) != 0 || ILibDuktape_ScriptContainer_ExecuteByteCode(agent->meshCoreCtx) != 0) { ILibRemoteLogging_printf(ILibChainGetLogger(agent->chain), ILibRemoteLogging_Modules_Microstack_Generic | ILibRemoteLogging_Modules_ConsolePrint, ILibRemoteLogging_Flags_VerbosityLevel_1, "Error Executing MeshCore: %s", duk_safe_to_string(agent->meshCoreCtx, -1)); duk_pop(agent->meshCoreCtx); } free(CoreModule); } if (duk_peval_string(agent->meshCoreCtx, "require('agent-selftest')();") != 0) { printf(" -> Loading Test Script.................[FAILED]\n"); } duk_pop(agent->meshCoreCtx); } void MeshServer_Connect(MeshAgentHostContainer *agent) { unsigned int timeout; // If this is called while we are in any connection state, just leave now. if (agent->serverConnectionState != 0) return; if (ILibSimpleDataStore_Get(agent->masterDb, "selfTest", NULL, 0) != 0) { MeshServer_Agent_SelfTest(agent); return; } util_random(sizeof(int), (char*)&timeout); gRemoteMouseRenderDefault = ILibSimpleDataStore_Get(agent->masterDb, "remoteMouseRender", NULL, 0); ILibSimpleDataStore_ConfigCompact(agent->masterDb, ILibSimpleDataStore_GetInt(agent->masterDb, "compactDirtyMinimum", 0)); ILibSimpleDataStore_ConfigSizeLimit(agent->masterDb, ILibSimpleDataStore_GetInt(agent->masterDb, "dbWarningSizeThreshold", 0), MeshServer_DbWarning, agent); agent->disableUpdate = (agent->JSRunningAsService != 0 && agent->JSRunningWithAdmin == 0) | ILibSimpleDataStore_Get(agent->masterDb, "disableUpdate", NULL, 0) | (agent->JSRunningAsService == 0 && ((agent->capabilities & MeshCommand_AuthInfo_CapabilitiesMask_TEMPORARY) == MeshCommand_AuthInfo_CapabilitiesMask_TEMPORARY)); agent->forceUpdate = ILibSimpleDataStore_Get(agent->masterDb, "forceUpdate", NULL, 0); agent->logUpdate = ILibSimpleDataStore_Get(agent->masterDb, "logUpdate", NULL, 0); agent->fakeUpdate = ILibSimpleDataStore_Get(agent->masterDb, "fakeUpdate", NULL, 0); agent->controlChannelDebug = ILibSimpleDataStore_Get(agent->masterDb, "controlChannelDebug", NULL, 0); ILibDuktape_HECI_Debug = (ILibSimpleDataStore_Get(agent->masterDb, "heciDebug", NULL, 0) != 0); #if defined(_LINKVM) && defined(_POSIX) && !defined(__APPLE__) SLAVELOG = ILibSimpleDataStore_Get(agent->masterDb, "slaveKvmLog", NULL, 0); #endif if (agent->logUpdate != 0) { ILIBLOGMESSAGEX("PLATFORM_TYPE: %d", agent->platformType); } if (agent->logUpdate != 0) { ILIBLOGMESSAGEX("Running as Service: %d", agent->JSRunningAsService); } if (agent->logUpdate != 0) { ILIBLOGMESSSAGE("Attempting to connect to Server..."); } if (agent->controlChannelDebug != 0) { ILIBLOGMESSSAGE("Attempting to connect to Server..."); printf("Attempting to connect to Server...\n"); } else if (agent->logUpdate != 0) { ILIBLOGMESSSAGE("Attempting to connect to Server..."); } if (agent->retryTime == 0) { agent->retryTime = (timeout % 1500) + 500; // Random value between 500 and 2000 MeshServer_ConnectEx(agent); } else { int delay; if (agent->retryTime >= 240000) { // Cap at around 4 minutes delay = 240000 + (timeout % 120000); // Random value between 4 and 6 minutes } else { delay = agent->retryTime + (timeout % agent->retryTime); // Random value between current value and double the current value } printf("AutoRetry Connect in %d milliseconds\n", delay); ILibLifeTime_AddEx(ILibGetBaseTimer(agent->chain), agent, delay, (ILibLifeTime_OnCallback)MeshServer_ConnectEx, NULL); agent->retryTime = delay; } } #ifndef MICROSTACK_NOTLS int ValidateMeshServer(ILibWebClient_RequestToken sender, int preverify_ok, STACK_OF(X509) *certs, struct sockaddr_in6 *address) { // Server validation is always true here. We will do a second round within the websocket to see if the server is really valid or not. return 1; } #endif #define checkForEmbeddedMSH(agent) checkForEmbeddedMSH_ex(agent, NULL) void checkForEmbeddedMSH_ex(MeshAgentHostContainer *agent, char **eMSH) { FILE *tmpFile = NULL; int mshLen; char *data = NULL; if (eMSH != NULL) { *eMSH = NULL; } #ifdef WIN32 _wfopen_s(&tmpFile, ILibUTF8ToWide(agent->exePath, -1), L"rb"); #else tmpFile = fopen(agent->exePath, "rb"); #endif if (tmpFile == NULL) { return; } fseek(tmpFile, -16, SEEK_END); ignore_result(fread(ILibScratchPad, 1, 16, tmpFile)); if (memcmp(ILibScratchPad, exeMeshPolicyGuid, 16) == 0) { // Found Embedded MSH File fseek(tmpFile, -20, SEEK_CUR); if (fread((void*)&mshLen, 1, 4, tmpFile) == 4) { mshLen = ntohl(mshLen); fseek(tmpFile, -4 - mshLen, SEEK_CUR); data = (char*)ILibMemory_SmartAllocate(mshLen); if (eMSH != NULL) { *eMSH = data; } if (fread(data, 1, mshLen, tmpFile) == mshLen) { if (eMSH == NULL) { FILE *msh = NULL; #ifdef WIN32 _wfopen_s(&msh, ILibUTF8ToWide(MeshAgent_MakeAbsolutePath(agent->exePath, ".msh"), -1), L"wb"); #else msh = fopen(MeshAgent_MakeAbsolutePath(agent->exePath, ".msh"), "wb"); #endif if (msh != NULL) { ignore_result(fwrite(data, 1, mshLen, msh)); fclose(msh); } ILibMemory_Free(data); } } } } fclose(tmpFile); } void checkForEmbeddedMSH_ex2(char *binPath, char **eMSH) { MeshAgentHostContainer tmp; memset(&tmp, 0, sizeof(tmp)); tmp.exePath = binPath; checkForEmbeddedMSH_ex(&tmp, eMSH); } int importSettings(MeshAgentHostContainer *agent, char* fileName) { int eq; char* importFile; int importFileLen; parser_result *pr; parser_result_field *f; importFileLen = ILibReadFileFromDiskEx(&importFile, fileName); if (importFileLen == 0) { return(0); } //printf("Importing settings file: %s\n", fileName); pr = ILibParseString(importFile, 0, importFileLen, "\n", 1); f = pr->FirstResult; while (f != NULL) { f->datalength = ILibTrimString(&(f->data), f->datalength); if (f->data[0] != 35) // Checking to see if this line is commented out { eq = ILibString_IndexOf(f->data, f->datalength, "=", 1); if (eq > 0) { char *key, *val; size_t keyLen, valLen; key = f->data; keyLen = eq; key[keyLen] = 0; val = key + keyLen + 1; valLen = f->datalength - keyLen - 1; if (val[valLen - 1] == 13) { --valLen; } valLen = ILibTrimString(&val, valLen); if (!(keyLen == 10 && strncmp("CoreModule", key, 10) == 0)) { if (valLen == 0) { // Empty key, remove the value completely. ILibSimpleDataStore_DeleteEx(agent->masterDb, key, keyLen); } else { if (valLen > 2 && ntohs(((unsigned short*)val)[0]) == HEX_IDENTIFIER) { // HEX value ILibSimpleDataStore_PutEx(agent->masterDb, key, keyLen, ILibScratchPad2, util_hexToBuf(val + 2, valLen - 2, ILibScratchPad2)); } else { // STRING value val[valLen] = 0; ILibSimpleDataStore_PutEx(agent->masterDb, key, keyLen, val, valLen + 1); } } //printf("...Imported: %s\n", key); } } } f = f->NextResult; } ILibDestructParserResults(pr); free(importFile); return(importFileLen); } void agentDumpKeysSink(ILibSimpleDataStore sender, char* Key, int KeyLen, void *user) { if (KeyLen < sizeof(ILibScratchPad2)) { memcpy_s(ILibScratchPad2, sizeof(ILibScratchPad2), Key, KeyLen); ILibScratchPad2[KeyLen] = 0; printf("--> %s\n", ILibScratchPad2); } } MeshAgentHostContainer* MeshAgent_Create(MeshCommand_AuthInfo_CapabilitiesMask capabilities) { MeshAgentHostContainer* retVal = (MeshAgentHostContainer*)ILibMemory_Allocate(sizeof(MeshAgentHostContainer), 0, NULL, NULL); #ifdef WIN32 SYSTEM_POWER_STATUS stats; if ((retVal->shCore = (void*)LoadLibraryExA((LPCSTR)"Shcore.dll", NULL, LOAD_LIBRARY_SEARCH_SYSTEM32)) != NULL) { if ((retVal->dpiAwareness = (void*)GetProcAddress((HMODULE)retVal->shCore, (LPCSTR)"SetProcessDpiAwareness")) == NULL) { FreeLibrary(retVal->shCore); retVal->shCore = NULL; } } #endif retVal->agentID = (AgentIdentifiers)MESH_AGENTID; retVal->chain = ILibCreateChainEx(3 * sizeof(void*)); retVal->pipeManager = ILibProcessPipe_Manager_Create(retVal->chain); retVal->capabilities = capabilities | MeshCommand_AuthInfo_CapabilitiesMask_CONSOLE | MeshCommand_AuthInfo_CapabilitiesMask_JAVASCRIPT | MeshCommand_AuthInfo_CapabilitiesMask_COMPRESSION; #ifdef WIN32 HMODULE wsCORE = LoadLibraryExA((LPCSTR)"Ws2_32.dll", NULL, LOAD_LIBRARY_SEARCH_SYSTEM32); GetHostNameWFunc ghnw = NULL; if (wsCORE != NULL) { if ((ghnw = (GetHostNameWFunc)GetProcAddress(wsCORE, (LPCSTR)"GetHostNameW")) == NULL) { FreeLibrary(wsCORE); wsCORE = NULL; } } if (ghnw != NULL) { WCHAR whostname[MAX_PATH]; if (ghnw(whostname, MAX_PATH) == 0) { WideCharToMultiByte(CP_UTF8, 0, whostname, -1, retVal->hostname, (int)sizeof(retVal->hostname), NULL, NULL); } } else { gethostname(retVal->hostname, (int)sizeof(retVal->hostname)); } if (wsCORE != NULL) { FreeLibrary(wsCORE); wsCORE = NULL; } #else gethostname(retVal->hostname, (int)sizeof(retVal->hostname)); #endif #ifdef WIN32 GetSystemPowerStatus(&stats); switch (stats.BatteryFlag) { case 128: retVal->batteryState = MeshAgentHost_BatteryInfo_NONE; break; case 255: retVal->batteryState = MeshAgentHost_BatteryInfo_UNKNOWN; break; default: retVal->batteryState = (MeshAgentHost_BatteryInfo)stats.BatteryFlag; break; } #endif ((void**)ILibMemory_GetExtraMemory(retVal->chain, ILibMemory_CHAIN_CONTAINERSIZE))[2] = retVal; return retVal; } void MeshAgent_Slave(MeshAgentHostContainer *agentHost) { // We are just a slave container agentHost->exitCode = ILibDuktape_ScriptContainer_StartSlave(agentHost->chain, agentHost->pipeManager); agentHost->chain = NULL; } void MeshAgent_ChainEnd(void *chain, void *user) { MeshAgentHostContainer *agent = (MeshAgentHostContainer*)user; if (agent->meshCoreCtx != NULL) { if (g_displayFinalizerMessages) { printf("\n\n==> Stopping JavaScript Engine\n"); } Duktape_SafeDestroyHeap(agent->meshCoreCtx); if (agent->bootstrapCoreCtx != NULL) { Duktape_SafeDestroyHeap(agent->bootstrapCoreCtx); agent->bootstrapCoreCtx = NULL; } } agent->meshCoreCtx = NULL; } void MeshAgent_RunScriptOnly_Finalizer(duk_context *ctx, void *user) { MeshAgentHostContainer *agentHost = (MeshAgentHostContainer*)user; agentHost->exitCode = ILibDuktape_Process_GetExitCode(ctx); agentHost->meshCoreCtx = NULL; if (ILibIsChainBeingDestroyed(agentHost->chain) == 0) { MeshAgent_Stop(agentHost); } } void MeshAgent_CoreModule_UncaughtException(duk_context *ctx, char *msg, void *user) { printf("UncaughtException: %s\n", msg); } void MeshAgent_AgentMode_IPAddressChanged_Handler(ILibIPAddressMonitor sender, void *user) { MeshAgentHostContainer *agentHost = (MeshAgentHostContainer*)user; if (agentHost->controlChannelDebug != 0) { printf("MeshAgent_AgentMode_IPAddressChanged_Handler(%d)\n", agentHost->serverConnectionState); ILIBLOGMESSAGEX("MeshAgent_AgentMode_IPAddressChanged_Handler(%d)\n", agentHost->serverConnectionState); } if (agentHost->serverConnectionState == 0) { ILibRemoteLogging_printf(ILibChainGetLogger(agentHost->chain), ILibRemoteLogging_Modules_Microstack_Generic | ILibRemoteLogging_Modules_ConsolePrint, ILibRemoteLogging_Flags_VerbosityLevel_1, "Network State Change detected... Resetting connection timeout"); ILibLifeTime_Remove(ILibGetBaseTimer(agentHost->chain), agentHost); agentHost->retryTime = 3000; ILibLifeTime_AddEx(ILibGetBaseTimer(agentHost->chain), agentHost, agentHost->retryTime, (ILibLifeTime_OnCallback)MeshServer_ConnectEx, NULL); } } int MeshAgent_AgentMode(MeshAgentHostContainer *agentHost, int paramLen, char **param, int parseCommands); void MeshAgent_AgentMost_dbRetryAbort(void *object) { ILibMemory_Free(object); } void MeshAgent_AgentMost_dbRetryCallback(void *object) { MeshAgentHostContainer *agentHost = (MeshAgentHostContainer*)((void**)object)[0]; int paramLen = (int)(uintptr_t)((void**)object)[1]; char **param = (char**)((void**)object)[2]; int parseCommands = (int)(uintptr_t)((void**)object)[3]; if (MeshAgent_AgentMode(agentHost, paramLen, param, parseCommands) == 0) { ILibStopChain(agentHost->chain); } ILibMemory_Free(object); } void MeshAgent_AgentMode_Core_ServerTimeout(duk_context *ctx, void ** args, int argsLen) { MeshAgentHostContainer *agentHost = (MeshAgentHostContainer*)args[0]; int CoreModuleLen = ILibSimpleDataStore_Get(agentHost->masterDb, "CoreModule", NULL, 0); char *CoreModule; duk_push_this(ctx); // [timeout] duk_push_heap_stash(ctx); // [timeout][stash] duk_del_prop_string(ctx, -1, Duktape_GetStashKey(duk_get_heapptr(ctx, -2))); agentHost->coreTimeout = NULL; printf("Timeout waiting for Server, launching cached meshcore...\n"); if (CoreModuleLen <= 4) { printf(" No meshcore found in db...\n"); } else { CoreModule = (char*)ILibMemory_Allocate(CoreModuleLen, 0, NULL, NULL); ILibSimpleDataStore_Get(agentHost->masterDb, "CoreModule", CoreModule, CoreModuleLen); if (ILibDuktape_ScriptContainer_CompileJavaScriptEx(agentHost->meshCoreCtx, CoreModule + 4, CoreModuleLen - 4, "CoreModule.js", 13) != 0 || ILibDuktape_ScriptContainer_ExecuteByteCode(agentHost->meshCoreCtx) != 0) { ILibRemoteLogging_printf(ILibChainGetLogger(agentHost->chain), ILibRemoteLogging_Modules_Microstack_Generic | ILibRemoteLogging_Modules_ConsolePrint, ILibRemoteLogging_Flags_VerbosityLevel_1, "Error Executing MeshCore: %s", duk_safe_to_string(agentHost->meshCoreCtx, -1)); duk_pop(agentHost->meshCoreCtx); } free(CoreModule); } } void MeshAgent_AgentInstallerCTX_Finalizer(duk_context *ctx, void *user) { if (ILibIsChainBeingDestroyed(user) == 0) { ILibStopChain(user); } } #ifdef WIN32 BOOL MeshAgent_PidWaiter(void *chain, HANDLE h, ILibWaitHandle_ErrorStatus status, void* user) { ILibStopChain(chain); return(FALSE); } #endif void MeshAgent_DB_WriteError(ILibSimpleDataStore sender, void *user) { MeshAgentHostContainer *agent = (MeshAgentHostContainer*)user; if (agent->meshCoreCtx != NULL) { ILibDuktape_MeshAgent_PUSH(agent->meshCoreCtx, agent->chain); // [mesh] duk_prepare_method_call(agent->meshCoreCtx, -1, "emit"); // [mesh][emit][this] duk_remove(agent->meshCoreCtx, -3); // [emit][this] duk_push_string(agent->meshCoreCtx, "DBError"); // [emit][this][DBError] duk_pcall_method(agent->meshCoreCtx, 1); duk_pop(agent->meshCoreCtx); // ... } } int MeshAgent_AgentMode(MeshAgentHostContainer *agentHost, int paramLen, char **param, int parseCommands) { int resetNodeId = 0; #ifdef WIN32 int pLen; #endif #ifdef _POSIX #ifndef __APPLE__ int options = 0; #endif if (paramLen >= 2) { if ((strcmp(param[1], "stop") == 0 || strcmp(param[1], "-s") == 0)) { // Stop FILE *fd = NULL; char str[15]; pid_t pid = 0; size_t len; fd = fopen("/var/run/meshagent.pid", "r"); if (fd == NULL) fd = fopen(".meshagent.pid", "r"); if (fd != NULL) { len = fread(str, sizeof(char), 15, fd); if (len > 0) { sscanf(str, "%d\r\n", &pid); if (pid > 0 && kill(pid, SIGKILL) == 0) printf("Mesh agent stopped.\r\n"); else printf("Mesh agent not running.\r\n"); remove("/var/run/meshagent.pid"); remove(".meshagent.pid"); } fclose(fd); exit(EXIT_SUCCESS); } else { printf("Unable to find process id file.\r\n"); exit(EXIT_FAILURE); } } } #endif int ri; for (ri = 0; ri < paramLen; ++ri) { if (strcmp(param[ri], "-recovery") == 0) { agentHost->capabilities |= MeshCommand_AuthInfo_CapabilitiesMask_RECOVERY; parseCommands = 0; } #ifndef MICROSTACK_NOTLS if (strcmp(param[ri], "-nocertstore") == 0) { parseCommands = 0; #ifdef WIN32 printf("** Not using Certificate Store **\n"); agentHost->noCertStore = 1; #endif } #endif } for (ri = 0; ri < paramLen; ++ri) { if (strcmp("-finstall", param[ri]) == 0 || strcmp("-funinstall", param[ri]) == 0 || strcmp("-fullinstall", param[ri]) == 0 || strcmp("-fulluninstall", param[ri]) == 0 || strcmp("-install", param[ri]) == 0 || strcmp("-uninstall", param[ri]) == 0) { // Create a readonly DB, because we don't need to persist anything agentHost->masterDb = ILibSimpleDataStore_CreateCachedOnly(); break; } } // We are a Mesh Agent if (agentHost->masterDb == NULL) { agentHost->masterDb = ILibSimpleDataStore_Create(MeshAgent_MakeAbsolutePath(agentHost->exePath, ".db")); } int ixr = 0; int installFlag = 0; int fetchstate = 0; int readonly = 0; for (ri = 0; ri < paramLen; ++ri) { int len = (int)strnlen_s(param[ri], 4096); int ix; if (strcmp("-state", param[ri]) == 0) { fetchstate = 1; } if (strcmp("-finstall", param[ri]) == 0 || strcmp("-fullinstall", param[ri]) == 0) { installFlag = 1; } if (strcmp("-install", param[ri]) == 0) { installFlag = 5; ILibSimpleDataStore_Cached(agentHost->masterDb, "_localService", 13, "1", 1); } if (strcmp("-funinstall", param[ri]) == 0 || strcmp("-fulluninstall", param[ri]) == 0) { installFlag = 2; ILibSimpleDataStore_Cached(agentHost->masterDb, "_deleteData", 11, "1", 1); } if (strcmp("-uninstall", param[ri]) == 0) { installFlag = 2; } if ((ix = ILibString_IndexOf(param[ri], len, "=", 1)) > 2 && strncmp(param[ri], "--", 2) == 0) { if (ix - 2 == 8 && strncmp(param[ri] + 2, "readonly", 8) == 0 && strncmp(param[ri] + ix + 1, "1", 1) == 0) { // Read-only File System specified readonly = 1; if (agentHost->masterDb != NULL) { ILibSimpleDataStore_ReOpenReadOnly(agentHost->masterDb, MeshAgent_MakeAbsolutePath(agentHost->exePath, ".db")); } } if (agentHost->masterDb == NULL) { agentHost->masterDb = ILibSimpleDataStore_CreateCachedOnly(); } ILibSimpleDataStore_Cached(agentHost->masterDb, param[ri] + 2, ix - 2, param[ri] + ix + 1, len - (ix + 1)); ++ixr; } } paramLen -= ixr; if (fetchstate != 0) { duk_context *ctxx = ILibDuktape_ScriptContainer_InitializeJavaScriptEngineEx(0, 0, agentHost->chain, NULL, NULL, agentHost->exePath, NULL, MeshAgent_AgentInstallerCTX_Finalizer, agentHost->chain); duk_eval_string(ctxx, "require('_agentStatus').start();"); return(1); } else if (installFlag != 0) { int bufLen = 0; char *buf; duk_context *ctxx = ILibDuktape_ScriptContainer_InitializeJavaScriptEngineEx(0, 0, agentHost->chain, NULL, NULL, agentHost->exePath, NULL, MeshAgent_AgentInstallerCTX_Finalizer, agentHost->chain); duk_eval_string(ctxx, "require('user-sessions').isRoot();"); if (!duk_get_boolean(ctxx, -1)) { printf(" Administrator permissions needed...\n"); installFlag = 0; exit(0); } switch (installFlag) { case 1: case 5: bufLen = ILibSimpleDataStore_Cached_GetJSONEx(agentHost->masterDb, NULL, 0); buf = (char*)ILibMemory_SmartAllocate(bufLen); bufLen = ILibSimpleDataStore_Cached_GetJSONEx(agentHost->masterDb, buf, bufLen); duk_eval_string(ctxx, "require('agent-installer');"); duk_get_prop_string(ctxx, -1, "fullInstall"); duk_swap_top(ctxx, -2); duk_push_string(ctxx, buf); if (duk_pcall_method(ctxx, 1) != 0) { if (strcmp(duk_safe_to_string(ctxx, -1), "Process.exit() forced script termination") != 0) { printf("%s\n", duk_safe_to_string(ctxx, -1)); } } duk_pop(ctxx); ILibMemory_Free(buf); return(1); break; case 2: bufLen = ILibSimpleDataStore_Cached_GetJSONEx(agentHost->masterDb, NULL, 0); buf = (char*)ILibMemory_SmartAllocate(bufLen); bufLen = ILibSimpleDataStore_Cached_GetJSONEx(agentHost->masterDb, buf, bufLen); duk_eval_string(ctxx, "require('agent-installer');"); duk_get_prop_string(ctxx, -1, "fullUninstall"); duk_swap_top(ctxx, -2); duk_push_string(ctxx, buf); if (duk_pcall_method(ctxx, 1) != 0) { if (strcmp(duk_safe_to_string(ctxx, -1), "Process.exit() forced script termination") != 0) { printf("%s\n", duk_safe_to_string(ctxx, -1)); } } duk_pop(ctxx); ILibMemory_Free(buf); return(1); break; default: break; } Duktape_SafeDestroyHeap(ctxx); } else { if (agentHost->masterDb == NULL || (ILibSimpleDataStore_IsCacheOnly(agentHost->masterDb) && readonly == 0)) { void **data = (void**)ILibMemory_SmartAllocate(4 * sizeof(void*)); data[0] = agentHost; data[1] = (void*)(uintptr_t)paramLen; data[2] = param; data[3] = (void*)(uintptr_t)parseCommands; if (agentHost->masterDb != NULL) { ILibSimpleDataStore_Close(agentHost->masterDb); agentHost->masterDb = NULL; } switch (agentHost->dbRetryCount) { case 10: printf("Unable to open database.\r\n"); return 0; default: printf("Unable to open database (%d/10)...\r\n", agentHost->dbRetryCount + 1); agentHost->dbRetryCount++; ILibLifeTime_AddEx(ILibGetBaseTimer(agentHost->chain), data, 2000, MeshAgent_AgentMost_dbRetryCallback, MeshAgent_AgentMost_dbRetryAbort); return 1; } } } agentHost->httpClientManager = ILibCreateWebClient(3, agentHost->chain); if (agentHost->masterDb != NULL) { ILibSimpleDataStore_ConfigWriteErrorHandler(agentHost->masterDb, MeshAgent_DB_WriteError, agentHost); #ifdef _REMOTELOGGINGSERVER int len; if ((len = ILibSimpleDataStore_Get(agentHost->masterDb, "enableILibRemoteLogging", ILibScratchPad, sizeof(ILibScratchPad))) != 0) { ILibScratchPad[len] = 0; ILibStartDefaultLoggerEx(agentHost->chain, ILib_atoi2_uint16(ILibScratchPad, sizeof(ILibScratchPad)), MeshAgent_MakeAbsolutePath(agentHost->exePath, ".wlg")); } #endif } ILibRemoteLogging_printf(ILibChainGetLogger(agentHost->chain), ILibRemoteLogging_Modules_Microstack_Generic, ILibRemoteLogging_Flags_VerbosityLevel_1, "agentcore: argv[0] = %s", param[0]); #if defined(_WINSERVICE) // If running as a windows services, check the "ResetNodeId" key. { HKEY hKey; DWORD len = 0; if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, TEXT("Software\\Open Source\\MeshAgent2"), 0, KEY_ALL_ACCESS, &hKey) == ERROR_SUCCESS) { if (RegQueryValueExA(hKey, TEXT("ResetNodeId"), NULL, NULL, NULL, &len) == ERROR_SUCCESS && len > 0) { if (RegDeleteValue(hKey, TEXT("ResetNodeId")) == ERROR_SUCCESS) { // Force certificate reset ILIBLOGMESSAGEX("NodeID will reset, because ResetNodeID key was found in registry"); resetNodeId = 1; } } RegCloseKey(hKey); } } #else // If running in console mode, check the --resetnodeid command switch if (parseCommands != 0) { int i; // Parse command-line arguments for (i = 0; i < paramLen; ++i) { if (strcmp(param[i], "--resetnodeid") == 0) { resetNodeId = 1; ILIBLOGMESSAGEX("NodeID will reset, because --resetnodeid command line switch was specified"); } } } #endif #if !defined(MICROSTACK_NOTLS) || defined(_POSIX) duk_context *tmpCtx = ILibDuktape_ScriptContainer_InitializeJavaScriptEngineEx(0, 0, agentHost->chain, NULL, NULL, agentHost->exePath, NULL, NULL, NULL); duk_peval_string_noresult(tmpCtx, "require('linux-pathfix')();"); int msnlen; char *tmpString; agentHost->platformType = MeshAgent_Posix_PlatformTypes_UNKNOWN; agentHost->JSRunningAsService = 0; agentHost->JSRunningWithAdmin = 0; if ((msnlen = ILibSimpleDataStore_Get(agentHost->masterDb, "meshServiceName", NULL, 0)) != 0) { agentHost->meshServiceName = (char*)ILibMemory_SmartAllocate(msnlen+1); ILibSimpleDataStore_Get(agentHost->masterDb, "meshServiceName", agentHost->meshServiceName, msnlen); } else { #ifdef WIN32 agentHost->meshServiceName = "Mesh Agent"; #else agentHost->meshServiceName = "meshagent"; #endif } duk_push_sprintf(tmpCtx, "require('service-manager').manager.getService('%s').isMe();", agentHost->meshServiceName); tmpString = (char*)duk_get_string(tmpCtx, -1); if (duk_peval_string(tmpCtx, "(function foo() { var f = require('service-manager').manager.getServiceType(); switch(f){case 'procd': return(7); case 'windows': return(10); case 'launchd': return(3); case 'freebsd': return(5); case 'systemd': return(1); case 'init': return(2); case 'upstart': return(4); default: return(0);}})()") == 0) { agentHost->platformType = (MeshAgent_Posix_PlatformTypes)duk_get_int(tmpCtx, -1); } if (duk_peval_string(tmpCtx, tmpString) == 0) { agentHost->JSRunningAsService = duk_get_boolean(tmpCtx, -1); } if (duk_peval_string(tmpCtx, "require('user-sessions').isRoot();") == 0) { agentHost->JSRunningWithAdmin = duk_get_boolean(tmpCtx, -1); } #endif #if !defined(MICROSTACK_NOTLS) // Check the local MacAddresses, to see if we need to reset our NodeId if (duk_peval_string(tmpCtx, "(function _getMac() { var ret = ''; var ni = require('os').networkInterfaces(); for (var f in ni) { for (var i in ni[f]) { if(ni[f][i].type == 'ethernet' || ni[f][i].type == 'wireless') {ret += ('[' + ni[f][i].mac + ']');} } } return(ret); })();") == 0) { int len; duk_size_t macLen; char *mac = (char*)duk_get_lstring(tmpCtx, -1, &macLen); if (macLen >= 19) // Only continue if we have at least 1 MAC Address { if ((len = ILibSimpleDataStore_Get(agentHost->masterDb, "LocalMacAddresses", NULL, 0)) == 0) { // We didn't have any MAC addresses in the db, so put them there, and return ILibSimpleDataStore_PutEx(agentHost->masterDb, "LocalMacAddresses", 17, mac, (int)macLen); } else { // We have MAC addresses in the db, so before we compare them, lets check that we have MAC addresses on the // system that aren't just zeros. So lets count how many we have int i = 0; while (i < (int)macLen) { if (strncmp(mac + i, "[00:00:00:00:00:00]", 19) != 0) { break; } i += 19; } if (i < (int)macLen) { // We have at least one valid MAC address, so we can continue with the checks i = 0; char *curr = ILibMemory_AllocateA(len+1); ILibSimpleDataStore_Get(agentHost->masterDb, "LocalMacAddresses", curr, len); while (i < len) { if (strncmp(curr + i, "[00:00:00:00:00:00]", 19) != 0) { if (ILibString_IndexOf(mac, (int)macLen, curr + i, 19) >= 0) { break; } } i += 19; } if (i >= len) { ILIBLOGMESSAGEX("NodeID will reset, MAC Address Mismatch: %s <==> %s", mac, curr); resetNodeId = 1; ILibSimpleDataStore_PutEx(agentHost->masterDb, "LocalMacAddresses", 17, mac, (int)macLen); } } } } } Duktape_SafeDestroyHeap(tmpCtx); // Load the mesh agent certificates if ((resetNodeId == 1 || agent_LoadCertificates(agentHost) != 0) && agent_GenerateCertificates(agentHost, NULL) != 0) { printf("Certificate error\r\n"); } if (agent_VerifyMeshCertificates(agentHost) != 0) { printf("Certificate validation error\r\n"); } #else printf("TLS support disabled\n"); #endif // Read the .tag file if present and push it into the database { char* str = NULL; int len = (int)util_readfile(MeshAgent_MakeAbsolutePath(agentHost->exePath, ".tag"), &str, 4096); if (str != NULL) { ILibSimpleDataStore_PutEx(agentHost->masterDb, "Tag", 3, str, len); free(str); } else { ILibSimpleDataStore_DeleteEx(agentHost->masterDb, "Tag", 3); } } // Read the .proxy file if present and push it into the database { char tmp[255]; if (ILibSimpleDataStore_GetEx(agentHost->masterDb, "ignoreProxyFile", 15, tmp, sizeof(tmp)) == 0) { char* str = NULL; int len = (int)util_readfile(MeshAgent_MakeAbsolutePath(agentHost->exePath, ".proxy"), &str, 1024); if (str != NULL) { if (len > 0) { ILibSimpleDataStore_PutEx(agentHost->masterDb, "WebProxy", 8, str, len); } else { ILibSimpleDataStore_DeleteEx(agentHost->masterDb, "WebProxy", 8); } free(str); } } } // Check to see if we need to import a settings file if (importSettings(agentHost, MeshAgent_MakeAbsolutePath(agentHost->exePath, ".mshx")) == 0) { if (importSettings(agentHost, MeshAgent_MakeAbsolutePath(agentHost->exePath, ".msh")) == 0) { if ((importSettings(agentHost, "mesh_linumshx") == 0) && (importSettings(agentHost, "mesh_limshx") == 0)) // Do this because the old agent would generate this bad file name on linux. { // Let's check to see if an .msh was embedded into our binary checkForEmbeddedMSH(agentHost); importSettings(agentHost, MeshAgent_MakeAbsolutePath(agentHost->exePath, ".msh")); } } } // Check to see if any capabilities are specified in the db { int dbCapabilities = 0; if (ILibSimpleDataStore_Get(agentHost->masterDb, "AgentCapabilities", NULL, 0) == 4) { ILibSimpleDataStore_Get(agentHost->masterDb, "AgentCapabilities",(char*) &dbCapabilities, 4); dbCapabilities = (int)ntohl(dbCapabilities); agentHost->capabilities |= dbCapabilities; } } #ifdef WIN32 // If running as a Windows service, set basic values to the registry, this allows other applications to know what the mesh agent is doing. HKEY hKey; size_t rlen = snprintf(NULL, 0, "Software\\Open Source\\%s", agentHost->meshServiceName); char *tmp1 = (char*)ILibMemory_SmartAllocate(rlen + 1); snprintf(tmp1, ILibMemory_Size(tmp1), "Software\\Open Source\\%s", agentHost->meshServiceName); size_t wlen = ILibUTF8ToWideCount(tmp1) + 1; WCHAR* wstr = (WCHAR*)ILibMemory_SmartAllocate(wlen * sizeof(WCHAR)); if (wlen < INT32_MAX && rlen <= INT32_MAX) { ILibUTF8ToWideEx(tmp1, (int)rlen, wstr, (int)wlen + 1); #if defined(_WINSERVICE) // If running as a Windows Service, save the key in LOCAL_MACHINE if (RegCreateKeyW(agentHost->runningAsConsole == 0 ? HKEY_LOCAL_MACHINE : HKEY_CURRENT_USER, wstr, &hKey) == ERROR_SUCCESS) #else // If running in Console mode, save the key in CURRENT_USER if (RegCreateKeyW(HKEY_CURRENT_USER, wstr, &hKey) == ERROR_SUCCESS) #endif { int i, len; char* tmp = NULL; if ((agentHost->capabilities & MeshCommand_AuthInfo_CapabilitiesMask_RECOVERY) == 0) { // Save the NodeId len = ILibBase64Encode(agentHost->g_selfid, UTIL_SHA384_HASHSIZE, &tmp); if ((len > 0) && (tmp != NULL)) { for (i = 0; i < len; i++) { if (tmp[i] == '+') { tmp[i] = '@'; } else if (tmp[i] == '/') { tmp[i] = '$'; } } // Replace + --> @ and / --> $ RegSetValueExA(hKey, "NodeId", 0, REG_SZ, tmp, len); free(tmp); tmp = NULL; } else { RegDeleteKeyA(hKey, "NodeId"); } // Save the AgentHash util_tohex(agentHost->agentHash, UTIL_SHA384_HASHSIZE, ILibScratchPad); RegSetValueExA(hKey, "AgentHash", 0, REG_SZ, ILibScratchPad, (int)strlen(ILibScratchPad)); // Save the MeshId if (ILibSimpleDataStore_Get(agentHost->masterDb, "MeshID", NULL, 0) == 0) { RegDeleteKeyA(hKey, "MeshId"); } else { len = ILibSimpleDataStore_Get(agentHost->masterDb, "MeshID", ILibScratchPad2, (int)sizeof(ILibScratchPad2)); if (len > 0) { len = ILibBase64Encode(ILibScratchPad2, len, &tmp); if ((len > 0) && (tmp != NULL)) { for (i = 0; i < len; i++) { if (tmp[i] == '+') { tmp[i] = '@'; } else if (tmp[i] == '/') { tmp[i] = '$'; } } // Replace + --> @ and / --> $ RegSetValueExA(hKey, "MeshId", 0, REG_SZ, tmp, len); free(tmp); tmp = NULL; } else { RegDeleteKeyA(hKey, "MeshId"); } } else { RegDeleteKeyA(hKey, "MeshId"); } } // Save a bunch of values in the registry if ((pLen = ILibSimpleDataStore_Get(agentHost->masterDb, "MeshServer", ILibScratchPad2, (int)sizeof(ILibScratchPad2))) == 0) { RegDeleteKeyA(hKey, "MeshServerUrl"); } else { RegSetValueExA(hKey, "MeshServerUrl", 0, REG_SZ, (BYTE*)ILibScratchPad2, (int)strlen(ILibScratchPad2)); } // Save the mesh server URL if ((pLen = ILibSimpleDataStore_Get(agentHost->masterDb, "ServerID", ILibScratchPad2, (int)sizeof(ILibScratchPad2))) == 0) { RegDeleteKeyA(hKey, "MeshServerId"); } else { RegSetValueExA(hKey, "MeshServerId", 0, REG_SZ, (BYTE*)ILibScratchPad2, (int)strlen(ILibScratchPad2)); } // Save the mesh server id if ((pLen = ILibSimpleDataStore_Get(agentHost->masterDb, "WebProxy", ILibScratchPad2, (int)sizeof(ILibScratchPad2))) == 0) { RegDeleteKeyA(hKey, "Proxy"); } else { RegSetValueExA(hKey, "Proxy", 0, REG_SZ, (BYTE*)ILibScratchPad2, (int)strlen(ILibScratchPad2)); } // Save the proxy if ((pLen = ILibSimpleDataStore_Get(agentHost->masterDb, "Tag", ILibScratchPad2, (int)sizeof(ILibScratchPad2))) == 0) { RegDeleteKeyA(hKey, "Tag"); } else { RegSetValueExA(hKey, "Tag", 0, REG_SZ, (BYTE*)ILibScratchPad2, (int)strlen(ILibScratchPad2)); } // Save the tag } else { // We're a Diagnostic Agent, so we only save a subset // Save the NodeId len = ILibBase64Encode(agentHost->g_selfid, UTIL_SHA384_HASHSIZE, &tmp); if ((len > 0) && (tmp != NULL)) { for (i = 0; i < len; i++) { if (tmp[i] == '+') { tmp[i] = '@'; } else if (tmp[i] == '/') { tmp[i] = '$'; } } // Replace + --> @ and / --> $ RegSetValueExA(hKey, "DiagnosticAgentNodeId", 0, REG_SZ, tmp, len); free(tmp); tmp = NULL; } else { RegDeleteKeyA(hKey, "DiagnosticAgentNodeId"); } } if (ILibSimpleDataStore_Get(agentHost->masterDb, "SelfNodeCert", NULL, 0) == 0) { int NodeIDLen = 0; if ((NodeIDLen = ILibSimpleDataStore_Get(agentHost->masterDb, "NodeID", ILibScratchPad, (int)sizeof(ILibScratchPad))) == 0 || !(NodeIDLen == (int)sizeof(agentHost->g_selfid) && memcmp(agentHost->g_selfid, ILibScratchPad, NodeIDLen) == 0)) { // NodeID isn't saved to db, so let's put it there ILibSimpleDataStore_PutEx(agentHost->masterDb, "NodeID", 6, agentHost->g_selfid, (int)sizeof(agentHost->g_selfid)); } } // Close the registry key RegCloseKey(hKey); } } ILibMemory_Free(tmp1); ILibMemory_Free(wstr); #endif #ifndef MICROSTACK_NOTLS if (agentHost->selftlscert.x509 == NULL) { // We don't have a TLS certificate, so setup the client without one. ILibWebClient_EnableHTTPS(agentHost->httpClientManager, NULL, NULL, ValidateMeshServer); } else { // We have a TLS certificate, use it for HTTPS client side auth (not super useful). ILibWebClient_EnableHTTPS(agentHost->httpClientManager, &(agentHost->selftlscert), agentHost->selfcert.x509, ValidateMeshServer); } #endif #if defined(_POSIX) && !defined(__APPLE__) // Excluding MacOS, becuase I found fork() doesn't work as expected on MacOS Sierra. Should be using launchctl on MacOS anyways if (paramLen >= 2) { if ((strcmp(param[1], "start") == 0 || strcmp(param[1], "-d") == 0)) options = 1; else if ((strcmp(param[1], "stop") == 0 || strcmp(param[1], "-s") == 0)) options = 2; } // Start if (options & 1) { FILE *fd = NULL; char str[15]; pid_t pid, sid; size_t len; ILibSimpleDataStore_Close(agentHost->masterDb); agentHost->masterDb = NULL; pid = fork(); if (pid < 0) { exit(EXIT_FAILURE); } else if (pid > 0) { len = sprintf_s(str, 15, "%d\r\n", pid); fd = fopen("/var/run/meshagent.pid", "w"); if (fd == NULL) fd = fopen(".meshagent.pid", "w"); if (fd != NULL) { if (fwrite(str, sizeof(char), len, fd)) {} fclose(fd); } printf("Mesh agent started.\r\n"); exit(EXIT_SUCCESS); } sid = setsid(); if (sid < 0) { exit(EXIT_FAILURE); } close(STDIN_FILENO); close(STDOUT_FILENO); close(STDERR_FILENO); parseCommands = 0; agentHost->masterDb = ILibSimpleDataStore_Create(MeshAgent_MakeAbsolutePath(agentHost->exePath, ".db")); } else if (options) { exit(EXIT_SUCCESS); } #endif if (parseCommands == 0 || paramLen == 1 || ((paramLen == 2) && (strcmp(param[1], "run") == 0 || strcmp(param[1], "connect") == 0))) { #ifdef WIN32 char* filePath = MeshAgent_MakeAbsolutePath(agentHost->exePath, ".update.exe"); #else char* filePath = MeshAgent_MakeAbsolutePath(agentHost->exePath, ".update"); #endif // Delete the mesh agent update file if there is one util_deletefile(filePath); // If there is a ".corereset" file, delete the core and remove the file. filePath = MeshAgent_MakeAbsolutePath(agentHost->exePath, ".corereset"); if (ILibSimpleDataStore_Exists(filePath)) { ILibSimpleDataStore_Delete(agentHost->masterDb, "CoreModule"); // Clear the core from datastore util_deletefile(filePath); } // Check if there is a CoreModule in the db char *CoreModule; int CoreModuleLen = agentHost->localScript == 0 ? ILibSimpleDataStore_Get(agentHost->masterDb, "CoreModule", NULL, 0) : 0; agentHost->webSocketMaskOverride = ILibSimpleDataStore_Get(agentHost->masterDb, "webSocketMaskOverride", NULL, 0); if (ILibSimpleDataStore_Get(agentHost->masterDb, "jsDebugPort", NULL, 0) != 0) { char tmp[16]; int tmpLen = ILibSimpleDataStore_Get(agentHost->masterDb, "jsDebugPort", tmp, 16); if (tmpLen > 0 && tmpLen < 16) { tmp[tmpLen] = 0; agentHost->jsDebugPort = ILib_atoi2_int32(tmp, sizeof(tmp)); } } agentHost->agentMode = 1; ILibDuktape_ModSearch_ShowNames = ILibSimpleDataStore_Get(agentHost->masterDb, "showModuleNames", NULL, 0); if (agentHost->meshCoreCtx != NULL) { ILibDuktape_MeshAgent_PUSH(agentHost->meshCoreCtx, agentHost->chain); // [agent] duk_get_prop_string(agentHost->meshCoreCtx, -1, "emit"); // [agent][emit] duk_swap_top(agentHost->meshCoreCtx, -2); // [emit][this] duk_push_string(agentHost->meshCoreCtx, "Ready"); // [emit][this][Ready] if (duk_pcall_method(agentHost->meshCoreCtx, 1) != 0) { ILibDuktape_Process_UncaughtException(agentHost->meshCoreCtx); } duk_pop(agentHost->meshCoreCtx); // ... } if (agentHost->localScript == 0) { // Create the context for the Local CoreModule, regardless if we have one yet agentHost->meshCoreCtx = ILibDuktape_ScriptContainer_InitializeJavaScriptEngineEx(0, 0, agentHost->chain, NULL, agentHost->masterDb, agentHost->exePath, agentHost->pipeManager, NULL, NULL); ILibDuktape_MeshAgent_Init(agentHost->meshCoreCtx, agentHost->chain, agentHost); ILibDuktape_SetNativeUncaughtExceptionHandler(agentHost->meshCoreCtx, MeshAgent_CoreModule_UncaughtException, agentHost); if ((agentHost->coreDumpEnabled = ILibSimpleDataStore_Get(agentHost->masterDb, "coreDumpEnabled", NULL, 0)) != 0) { duk_eval_string_noresult(agentHost->meshCoreCtx, "process.coreDumpLocation = process.platform=='win32'?(process.execPath.replace('.exe', '.dmp')):(process.execPath + '.dmp');"); } if (CoreModuleLen > 4) { if (ILibSimpleDataStore_Get(agentHost->masterDb, "noUpdateCoreModule", NULL, 0) != 0) { // CoreModule Updates are disabled agentHost->localScript = 1; printf("** CoreModule: Update Disabled**\n"); // If updates are disabled, then we should launch the core now CoreModule = (char*)ILibMemory_Allocate(CoreModuleLen, 0, NULL, NULL); ILibSimpleDataStore_Get(agentHost->masterDb, "CoreModule", CoreModule, CoreModuleLen); if (ILibDuktape_ScriptContainer_CompileJavaScriptEx(agentHost->meshCoreCtx, CoreModule + 4, CoreModuleLen - 4, "CoreModule.js", 13) != 0 || ILibDuktape_ScriptContainer_ExecuteByteCode(agentHost->meshCoreCtx) != 0) { ILibRemoteLogging_printf(ILibChainGetLogger(agentHost->chain), ILibRemoteLogging_Modules_Microstack_Generic | ILibRemoteLogging_Modules_ConsolePrint, ILibRemoteLogging_Flags_VerbosityLevel_1, "Error Executing MeshCore: %s", duk_safe_to_string(agentHost->meshCoreCtx, -1)); duk_pop(agentHost->meshCoreCtx); } free(CoreModule); } else { // There's a CoreModule, but we should try to wait for the Server to verify the CoreModule before we run it. // Otherwise, we run the risk that if the module is bad and causes a crash, the server will have no way to // update/remedy the situation. We'll set a timeout, so if the server is unavailable, we'll run the core anyways. agentHost->coreTimeout = ILibDuktape_Timeout(agentHost->meshCoreCtx, (void**)(void*[]) { agentHost }, 1, 60000, MeshAgent_AgentMode_Core_ServerTimeout); duk_push_heap_stash(agentHost->meshCoreCtx); // [stash] duk_push_heapptr(agentHost->meshCoreCtx, agentHost->coreTimeout); // [stash][timeout] duk_put_prop_string(agentHost->meshCoreCtx, -2, Duktape_GetStashKey(agentHost->coreTimeout)); // [stash] duk_pop(agentHost->meshCoreCtx); // ... } } } #ifdef WIN32 if (ILibSimpleDataStore_Get(agentHost->masterDb, "exitPID", NULL, 0) > 0) { int pidLen = ILibSimpleDataStore_Get(agentHost->masterDb, "exitPID", ILibScratchPad, (int)sizeof(ILibScratchPad)); HANDLE h = OpenProcess(SYNCHRONIZE, FALSE, (DWORD)ILib_atoi2_uint32(ILibScratchPad, sizeof(ILibScratchPad))); if (h != NULL) { ILibChain_AddWaitHandle(agentHost->chain, h, -1, MeshAgent_PidWaiter, agentHost); } } if (ILibSimpleDataStore_Get(agentHost->masterDb, "hideConsole", NULL, 0) > 0 && agentHost->meshCoreCtx != NULL) { duk_peval_string_noresult(agentHost->meshCoreCtx, "require('win-console').hide()"); } #endif ILibIPAddressMonitor_Create(agentHost->chain, MeshAgent_AgentMode_IPAddressChanged_Handler, agentHost); MeshServer_Connect(agentHost); // We are acting as a mesh agent if (((ILibSimpleDataStore_Get(agentHost->masterDb, "MeshServer", ILibScratchPad, sizeof(ILibScratchPad))) > 5) && (memcmp(ILibScratchPad, "local", 5) == 0)) { // Mesh agent is in local mode, start the multicast server discovery struct sockaddr_in multicastAddr4; struct sockaddr_in6 multicastAddr6; // Read DiscoveryKey if present, perform SHA384 on it and use it as UDP encryption/decryption key. SHA512_CTX c; int i = (ILibSimpleDataStore_Get(agentHost->masterDb, "DiscoveryKey", ILibScratchPad, sizeof(ILibScratchPad))); if (i > 1) { SHA384_Init(&c); SHA384_Update(&c, ILibScratchPad, i - 1); // Hash the discovery key SHA384_Final((unsigned char*)ILibScratchPad, &c); if ((agentHost->multicastDiscoveryKey = (char*)malloc(32)) == NULL) { ILIBCRITICALEXIT(254); } memcpy(agentHost->multicastDiscoveryKey, ILibScratchPad, 32); // Save the first 32 bytes of the hash as key } // Cleanup all addresses memset(&multicastAddr4, 0, sizeof(struct sockaddr_in)); memset(&multicastAddr6, 0, sizeof(struct sockaddr_in6)); // Setup addresses if (ILibDetectIPv6Support()) { // IPv6 support multicastAddr6.sin6_family = AF_INET6; multicastAddr6.sin6_port = htons(16989); ILibInet_pton(AF_INET6, MESH_MCASTv6_GROUP, &(multicastAddr6.sin6_addr)); } // Setup multicastAddr4 multicastAddr4.sin_family = AF_INET; multicastAddr4.sin_port = htons(16989); ILibInet_pton(AF_INET, MESH_MCASTv4_GROUP, &(multicastAddr4.sin_addr)); // Multicast socket on fixed port, will receive multicast from the server. agentHost->multicastDiscovery = ILibMulticastSocket_Create(agentHost->chain, SERVER_DISCOVERY_BUFFER_SIZE, MESH_AGENT_PORT, &multicastAddr4, &multicastAddr6, UDPSocket_OnData, agentHost, 1); if (agentHost->multicastDiscovery == NULL) { ILIBMARKPOSITION(219); return 1; } // Multicast socket on a random port, used to multicast to the server and receive server unicast responses. agentHost->multicastDiscovery2 = ILibMulticastSocket_Create(agentHost->chain, SERVER_DISCOVERY_BUFFER_SIZE, 0, &multicastAddr4, &multicastAddr6, UDPSocket_OnData, agentHost, 1); if (agentHost->multicastDiscovery2 == NULL) { ILIBMARKPOSITION(219); return 1; } } return 1; } return 0; } void MeshAgent_ScriptMode_UncaughtExceptionSink(duk_context *ctx, char *msg, void *user) { printf("*** UNCAUGHT EXCEPTION: %s ***\n", msg); } void MeshAgent_ScriptMode_MeshDesktop_PUSH(duk_context *ctx, void *chain) { duk_push_heap_stash(ctx); // [stash] MeshAgentHostContainer *agent = (MeshAgentHostContainer*)Duktape_GetPointerProperty(ctx, -1, "\xFF_MeshDesktop_AgentPtr"); duk_pop(ctx); duk_push_object(ctx); ILibDuktape_WriteID(ctx, "MeshDesktop"); if (agent != NULL) { duk_push_pointer(ctx, agent); duk_put_prop_string(ctx, -2, MESH_AGENT_PTR); ILibDuktape_CreateInstanceMethod(ctx, "getRemoteDesktopStream", ILibDuktape_MeshAgent_getRemoteDesktop, 0); } } duk_ret_t MeshAgent_ScriptMode_StartAgent(duk_context *ctx) { duk_push_current_function(ctx); MeshAgentHostContainer *agent = (MeshAgentHostContainer*)Duktape_GetPointerProperty(ctx, -1, MESH_AGENT_PTR); if (agent->bootstrapCoreCtx != NULL) { return(ILibDuktape_Error(ctx, "Already Started")); } agent->localScript = 0; agent->bootstrapCoreCtx = agent->meshCoreCtx; agent->meshCoreCtx = NULL; duk_eval_string(ctx, "(function _getParams(){return(process.argv);})();"); // [array] int paramLength = (int)duk_get_length(ctx, -1); int i; char **params = (char**)ILibMemory_AllocateA(paramLength * sizeof(char*)); for (i = 0; i < paramLength; ++i) { duk_get_prop_index(ctx, -1, i); // [array][value] params[i] = (char*)duk_to_string(ctx, -1); duk_pop(ctx); // [array] } if (MeshAgent_AgentMode(agent, paramLength, params, 0) == 0) { duk_eval_string_noresult(ctx, "process.exit();"); // Agent Error, exit } return(0); } duk_ret_t MeshAgent_ScriptMode_ZipSink2_Error(duk_context *ctx) { duk_peval_string(ctx, "console.log('Error Extracting Zip file');process._exit();"); return(0); } void MeshAgent_ScriptMode_ZipSink_Run(duk_context *ctx, void ** args, int argsLen) { duk_idx_t top = duk_get_top(ctx); duk_push_heap_stash(ctx); duk_size_t bufferLen; char* buffer = Duktape_GetBufferPropertyEx(ctx, -1, "_script", &bufferLen); char* name = Duktape_GetStringPropertyValue(ctx, -1, "_scriptName", "[zipped].js"); if (ILibDuktape_ScriptContainer_CompileJavaScriptEx(ctx, buffer, (int)bufferLen, name, 0) != 0 || ILibDuktape_ScriptContainer_ExecuteByteCode(ctx) != 0) { if (strcmp(duk_safe_to_string(ctx, -1), "Process.exit() forced script termination") != 0) { // Error ILibRemoteLogging_printf(ILibChainGetLogger(duk_ctx_chain(ctx)), ILibRemoteLogging_Modules_Microstack_Generic | ILibRemoteLogging_Modules_ConsolePrint, ILibRemoteLogging_Flags_VerbosityLevel_1, "Script Error: %s", duk_safe_to_string(ctx, -1)); } } duk_set_top(ctx, top); } duk_ret_t MeshAgent_ScriptMode_ZipSink2(duk_context *ctx) { duk_size_t tmpLen; char *tmp; duk_idx_t top; if (duk_get_length(ctx, 0) == 1) { // Only one file is in here duk_push_heap_stash(ctx); // [stash] duk_array_pop(ctx, 0); // [stash][obj] duk_get_prop_string(ctx, -1, "buffer"); // [stash][obj][buffer] duk_put_prop_string(ctx, -3, "_script"); // [stash][obj] duk_get_prop_string(ctx, -1, "name"); // [stash][obj][name] duk_put_prop_string(ctx, -2, "_scriptName"); // [stash][obj] ILibDuktape_Immediate(ctx, NULL, 0, MeshAgent_ScriptMode_ZipSink_Run); } else { char *run = NULL; int runidx = -1; int found = 0; duk_eval_string(ctx, "process.argv"); // [argarray] duk_array_partialIncludes(ctx, -1, "--run="); // [argarray][int] if (duk_is_number(ctx, -1) && duk_get_int(ctx, -1) >= 0) { runidx = duk_get_int(ctx, -1); duk_get_prop_index(ctx, -2, duk_get_int(ctx, -1)); // [argarray][int][string] duk_string_split(ctx, -1, "="); // [argarray][int][string][tokens] duk_array_pop(ctx, -1); // [argarray][int][string][tokens][string] run = (char*)duk_get_string(ctx, -1); } if (run == NULL) { // --run="" was not specified, so lets first check to see if there is a single root level .js file duk_dup(ctx, 0); // [array] int tmptop = duk_get_top(ctx); duk_uarridx_t x; for (x = 0; x < duk_get_length(ctx, -1); ++x) { duk_get_prop_index(ctx, -1, x); // [array][obj] duk_get_prop_string(ctx, -1, "name"); // [array][obj][name] duk_string_split(ctx, -1, "\\"); // [array][obj][name][tokens] if (duk_get_length(ctx, -1) == 1) { duk_string_split(ctx, -2, "/"); // [array][obj][name][tokens][tokens] if (duk_get_length(ctx, -1) == 1) { duk_array_pop(ctx, -1); // [array][obj][name][tokens][tokens][name] run = (char*)duk_get_string(ctx, -1); break; } } duk_set_top(ctx, tmptop); } if (run == NULL) { // --run="" was not specified, so we'll default to the name of the binary duk_eval_string(ctx, "process.argv[0]"); // [path] #ifdef WIN32 duk_string_split(ctx, -1, "\\"); // [path][array] #else duk_string_split(ctx, -1, "/"); #endif duk_array_pop(ctx, -1); // [path][array][string] #ifdef WIN32 int tlen = (int)duk_get_length(ctx, -1); duk_string_substring(ctx, -1, 0, tlen - 4); // [path][array][string][string] #endif duk_push_string(ctx, ".js"); // [path][array][string][string][.js] duk_string_concat(ctx, -2); // [path][array][string][string][string] run = (char*)duk_to_string(ctx, -1); } } duk_dup(ctx, 0); // [array] top = duk_get_top(ctx); while (duk_get_length(ctx, -1) > 0) { duk_array_pop(ctx, -1); // [array][obj] duk_get_prop_string(ctx, -1, "name"); // [array][obj][name] duk_string_split(ctx, -1, "\\"); // [array][obj][name][tokens] duk_array_pop(ctx, -1); // [array][obj][name][tokens][filename] duk_string_split(ctx, -1, "/"); // [array][obj][name][tokens][filename][tokens] duk_array_pop(ctx, -1); // [array][obj][name][tokens][filename][tokens][filename] duk_string_endsWith(ctx, -1, ".js"); // [array][obj][name][tokens][filename][tokens][filename][boolean] if (duk_get_boolean(ctx, -1)) { // This is a JS module if (run != NULL && found == 0) { duk_push_string(ctx, run); // [array][obj][name][tokens][filename][tokens][filename][boolean][run] if (duk_equals(ctx, -3, -1) == 1) { // This is the script to run duk_push_heap_stash(ctx); // [array][obj][name][tokens][filename][tokens][filename][boolean][run][stash] duk_get_prop_string(ctx, -9, "buffer"); // [array][obj][name][tokens][filename][tokens][filename][boolean][run][stash][buffer] duk_put_prop_string(ctx, -2, "_script"); // [array][obj][name][tokens][filename][tokens][filename][boolean][run][stash] duk_swap_top(ctx, -2); // [array][obj][name][tokens][filename][boolean][stash][run] duk_put_prop_string(ctx, -2, "_scriptName");// [array][obj][name][tokens][filename][boolean][stash] found = 1; } } else { // Load as a module // [array][obj][name][tokens][filename][tokens][filename][boolean] duk_string_split(ctx, -2, ".js"); // [array][obj][name][tokens][filename][tokens][filename][boolean][tokens] duk_array_shift(ctx, -1); // [array][obj][name][tokens][filename][tokens][filename][boolean][tokens][name] duk_get_prop_string(ctx, -9, "buffer"); // [array][obj][name][tokens][filename][tokens][filename][boolean][tokens][name][buffer] tmp = (char*)Duktape_GetBuffer(ctx, -1, &tmpLen); ILibDuktape_ModSearch_AddModule(ctx, (char*)duk_get_string(ctx, -2), tmp, (int)tmpLen); } } duk_set_top(ctx, top); } if (run != NULL && found != 0) { if (runidx != -1) { duk_push_heapptr(ctx, ILibDuktape_GetProcessObject(ctx)); duk_get_prop_string(ctx, -1, "\xFF_argArray"); // [process][array] duk_prepare_method_call(ctx, -1, "splice"); // [process][array][splice][this] duk_push_int(ctx, runidx); // [process][array][splice][this][start] duk_push_int(ctx, 1); // [process][array][splice][this][start][deleteCount] duk_pcall_method(ctx, 2); } ILibDuktape_Immediate(ctx, NULL, 0, MeshAgent_ScriptMode_ZipSink_Run); } else { // Unable to initialize duk_eval_string_noresult(ctx, "console.log('Error Initializing script from Zip file');process._exit();"); } } return(0); } duk_ret_t MeshAgent_ScriptMode_ZipSink(duk_context *ctx) { duk_prepare_method_call(ctx, 0, "extractAllStreams"); // [extract][this] if (duk_pcall_method(ctx, 0) != 0) // [promise] { duk_eval_string(ctx, "console.log('Error extracting from zip file');process._exit();"); return(0); } duk_prepare_method_call(ctx, -1, "then"); // [promise][then][this] duk_push_c_function(ctx, MeshAgent_ScriptMode_ZipSink2, DUK_VARARGS); // [promise][then][this][func1] duk_push_c_function(ctx, MeshAgent_ScriptMode_ZipSink2_Error, DUK_VARARGS); //.....][then][this][func1][func2] if (duk_pcall_method(ctx, 2) != 0) { duk_eval_string(ctx, "console.log('Error extracting zip file'); process._exit();"); } return(0); } duk_ret_t MeshAgent_ScriptMode_ZipSinkErr(duk_context *ctx) { char *tmp = (char*)duk_require_string(ctx, 0); char *val = (char*)duk_push_sprintf(ctx, "console.log('%s');process._exit();", tmp); duk_peval_string(ctx, val); return(0); } void MeshAgent_ScriptMode(MeshAgentHostContainer *agentHost, int argc, char **argv) { char *jsFile = NULL; int jsFileLen = 0; int i; unsigned int execTimeout = 0; unsigned int secFlags = 0; char **scriptArgs = NULL; char *jsPath = NULL; int sx = 1; int connectAgent = 0; int pathLen = 0; if (agentHost->meshCoreCtx_embeddedScript == NULL) { // Get the full path name of the JavaScript file #ifdef WIN32 WCHAR wjsPath[4096]; GetFullPathNameW(ILibUTF8ToWide(argv[1], -1), sizeof(wjsPath) / 2, wjsPath, NULL); pathLen = WideCharToMultiByte(CP_UTF8, 0, wjsPath, -1, (LPSTR)ILibScratchPad2, sizeof(ILibScratchPad2), NULL, NULL); #else if (realpath(argv[1], ILibScratchPad2) != NULL) { pathLen = strnlen_s(ILibScratchPad2, PATH_MAX); } #endif if (ILibString_EndsWith(ILibScratchPad2, -1, ".zip", 4) == 0) { // Try to load the JavaScript file from disk, if fail, return jsFileLen = ILibReadFileFromDiskEx(&jsFile, ILibScratchPad2); if (jsFileLen == 0) { printf("ERROR loading %s\n", ILibScratchPad2); return; } } // We need to pass the JavaScript full path to the JavaScript runtime as the first argument. Set the up here. scriptArgs = (char**)ILibMemory_Allocate((1 + argc) * sizeof(char*), 1 + pathLen, NULL, (void**)&jsPath); // KLOCWORK is being dumb, becuase ILibScratchpad2 is gauranteed to be NULL terminated strncpy_s(jsPath, ILibMemory_GetExtraMemorySize(jsPath), ILibScratchPad2, ILibMemory_GetExtraMemorySize(jsPath)); scriptArgs[0] = jsPath; // Parse arguments. Handle the ones we can, others will be passed to the JavaScript engine. for (i = 2; i < argc; ++i) { if (agentHost->masterDb == NULL && strncmp(argv[i], "--script-db", 11) == 0 && ((i + 1) < argc)) { // Specify DB file path agentHost->masterDb = ILibSimpleDataStore_Create(MeshAgent_MakeAbsolutePath(agentHost->exePath, argv[i + 1])); ++i; } else if (strncmp(argv[i], "--script-flags", 14) == 0 && ((i + 1) < argc)) { // JS Permissions (see .h for values) if (ntohs(((unsigned short*)argv[i + 1])[0]) == HEX_IDENTIFIER) { int xlen = (int)strnlen_s(argv[i + 1], 32); if (xlen <= 10) { util_hexToBuf(argv[i + 1] + 2, xlen - 2, (char*)&secFlags); secFlags = ntohl(secFlags); } ++i; } } else if (strncmp(argv[i], "--script-timeout", 16) == 0 && ((i + 1) < argc)) { // Seconds before watchdog termination, 0 for unlimited execTimeout = ILib_atoi2_uint32(argv[i + 1], 255); ++i; } else if (strncmp(argv[i], "--script-connect", 16) == 0) { // Connect to MeshCentral connectAgent = 1; if (agentHost->masterDb == NULL) { agentHost->masterDb = ILibSimpleDataStore_Create(MeshAgent_MakeAbsolutePath(agentHost->exePath, ".db")); } } else { // Unhandled arguments, passed to JavaScript scriptArgs[sx++] = argv[i]; } } } else { // Embedded JavaScript jsFile = agentHost->meshCoreCtx_embeddedScript; jsFileLen = agentHost->meshCoreCtx_embeddedScriptLen; scriptArgs = (char**)ILibMemory_Allocate((1 + argc) * sizeof(char*), 0, NULL, NULL); for (i = 1; i < argc; ++i) { scriptArgs[i] = argv[i]; } scriptArgs[i] = NULL; scriptArgs[0] = agentHost->exePath; } // Start the JavaScript engine, run the loaded .js file agentHost->localScript = 1; agentHost->meshCoreCtx = ILibDuktape_ScriptContainer_InitializeJavaScriptEngineEx(secFlags, execTimeout, agentHost->chain, scriptArgs, connectAgent != 0 ? agentHost->masterDb : NULL, agentHost->exePath, agentHost->pipeManager, connectAgent == 0 ? MeshAgent_RunScriptOnly_Finalizer : NULL, agentHost); ILibDuktape_SetNativeUncaughtExceptionHandler(agentHost->meshCoreCtx, MeshAgent_ScriptMode_UncaughtExceptionSink, agentHost); if (connectAgent != 0) { ILibDuktape_MeshAgent_Init(agentHost->meshCoreCtx, agentHost->chain, agentHost); } else { duk_push_heap_stash(agentHost->meshCoreCtx); // [stash] duk_push_pointer(agentHost->meshCoreCtx, agentHost); // [stash][ptr] duk_put_prop_string(agentHost->meshCoreCtx, -2, "\xFF_MeshDesktop_AgentPtr"); // [stash] duk_pop(agentHost->meshCoreCtx); // ... ILibDuktape_ModSearch_AddHandler(agentHost->meshCoreCtx, "meshDesktop", MeshAgent_ScriptMode_MeshDesktop_PUSH); duk_push_global_object(agentHost->meshCoreCtx); // [g] duk_push_c_function(agentHost->meshCoreCtx, MeshAgent_ScriptMode_StartAgent, 0);// [g][startAgent] duk_push_pointer(agentHost->meshCoreCtx, agentHost); // [g][startAgent][agent] duk_put_prop_string(agentHost->meshCoreCtx, -2, MESH_AGENT_PTR); // [g][startAgent] duk_put_prop_string(agentHost->meshCoreCtx, -2, "startMeshAgent"); // [g] duk_pop(agentHost->meshCoreCtx); // ... } #if defined(_POSIX) duk_peval_string_noresult(agentHost->meshCoreCtx, "require('linux-pathfix')();"); #endif int embeddedZIP = 0; if (jsFileLen > 30 && jsFile[0] == 0x50 && jsFile[1] == 0x4B && jsFile[2] == 0x03 && jsFile[3] == 0x04) { embeddedZIP = 1; } if ((embeddedZIP == 0 && jsPath == NULL) || (embeddedZIP == 0 && jsPath != NULL && ILibString_EndsWith(jsPath, -1, ".zip", 4) == 0)) { if (ILibDuktape_ScriptContainer_CompileJavaScriptEx(agentHost->meshCoreCtx, jsFile, jsFileLen, agentHost->meshCoreCtx_embeddedScript == NULL ? scriptArgs[0] : "[embedded].js", 0) != 0 || ILibDuktape_ScriptContainer_ExecuteByteCode(agentHost->meshCoreCtx) != 0) { if (strcmp(duk_safe_to_string(agentHost->meshCoreCtx, -1), "Process.exit() forced script termination") != 0) { // Error ILibRemoteLogging_printf(ILibChainGetLogger(agentHost->chain), ILibRemoteLogging_Modules_Microstack_Generic | ILibRemoteLogging_Modules_ConsolePrint, ILibRemoteLogging_Flags_VerbosityLevel_1, "Script Error: %s", duk_safe_to_string(agentHost->meshCoreCtx, -1)); } duk_pop(agentHost->meshCoreCtx); } } else { int r; if (embeddedZIP != 0 && jsFile != NULL) { // Trying to run an embedded zip file duk_eval_string(agentHost->meshCoreCtx, "require('zip-reader')"); // [zip-reader] duk_get_prop_string(agentHost->meshCoreCtx, -1, "read"); // [zip-reader][read] duk_swap_top(agentHost->meshCoreCtx, -2); // [read][this] char *tmp=(char*)duk_push_fixed_buffer(agentHost->meshCoreCtx, jsFileLen); // [read][this][buffer] memcpy_s(tmp, jsFileLen, jsFile, jsFileLen); duk_push_buffer_object(agentHost->meshCoreCtx, -1, 0, jsFileLen, DUK_BUFOBJ_NODEJS_BUFFER); //..][this][buffer][njsBuffer] duk_remove(agentHost->meshCoreCtx, -2); // [read][this][buffer] r = duk_pcall_method(agentHost->meshCoreCtx, 1); // [promise] } else { // Trying to run a zip file duk_push_sprintf(agentHost->meshCoreCtx, "require('zip-reader').read('%s');", jsPath); // [string] #ifdef WIN32 duk_string_split(agentHost->meshCoreCtx, -1, "\\"); // [string][array] duk_array_join(agentHost->meshCoreCtx, -1, "\\\\"); // [string][array][string] duk_remove(agentHost->meshCoreCtx, -2); // [string][string] duk_remove(agentHost->meshCoreCtx, -2); // [string] #endif r = duk_peval(agentHost->meshCoreCtx); // [promise] } if (r != 0) // [zip-reader] { duk_peval_string_noresult(agentHost->meshCoreCtx, "console.log('Error decoding zip file');process._exit();"); duk_pop(agentHost->meshCoreCtx); // ... } else { duk_push_heap_stash(agentHost->meshCoreCtx); // [zip-reader][stash] duk_swap_top(agentHost->meshCoreCtx, -2); // [stash][zip-reader] duk_dup(agentHost->meshCoreCtx, -1); // [stash][zip-reader][zip-reader] duk_put_prop_string(agentHost->meshCoreCtx, -3, "zip"); // [stash][zip-reader] duk_remove(agentHost->meshCoreCtx, -2); // [zip-reader] duk_get_prop_string(agentHost->meshCoreCtx, -1, "then"); // [zip-reader][then] duk_swap_top(agentHost->meshCoreCtx, -2); // [then][this] duk_push_c_function(agentHost->meshCoreCtx, MeshAgent_ScriptMode_ZipSink, DUK_VARARGS);//.][func1] duk_push_c_function(agentHost->meshCoreCtx, MeshAgent_ScriptMode_ZipSinkErr, DUK_VARARGS);//.....][func2] if (duk_pcall_method(agentHost->meshCoreCtx, 2) != 0) { duk_eval_string_noresult(agentHost->meshCoreCtx, "console.log('error decoding zip file');process._exit();"); } duk_pop(agentHost->meshCoreCtx); // ... } } // JavaScript copies this, we do not need this anymore. if (jsFile != NULL) { free(jsFile); } free(scriptArgs); // If in agent mode, setup the chain to be a mesh agent if (connectAgent != 0) { if (MeshAgent_AgentMode(agentHost, argc, argv, 0) == 0) { ILibStopChain(agentHost->chain); // Agent Error, stop the chain } } } void MeshAgent_ScriptMode_Dispatched(void *chain, void *user) { MeshAgent_ScriptMode((MeshAgentHostContainer*)((void**)user)[0], ((int*)((void**)user)[1])[0], (char**)((void**)user)[2]); } void MeshAgent_AgentMode_Dispatched(void *chain, void *user) { if (MeshAgent_AgentMode((MeshAgentHostContainer*)((void**)user)[0], ((int*)((void**)user)[1])[0], (char**)((void**)user)[2], 1) == 0) { ILibStopChain(((MeshAgentHostContainer*)((void**)user)[0])->chain); } } #ifdef _POSIX int MeshAgent_System(char *cmd) { //int status = -1; pid_t pid = fork(); if(pid == 0) { // Child execv("/bin/sh", (char**)(char*[]) { "sh", "-c", cmd, (char*)0 }); _exit(1); } else if (pid > 0) { // Parent //waitpid(pid, &status, 0); } return(0); } #endif int MeshAgent_Start(MeshAgentHostContainer *agentHost, int paramLen, char **param) { char *startParms = NULL; char _exedata[ILibMemory_Init_Size(1024, sizeof(void*))]; char *exePath = ILibMemory_Init(_exedata, 1024, sizeof(void*), ILibMemory_Types_STACK); ((void**)ILibMemory_Extra(exePath))[0] = agentHost; #ifdef WIN32 int x; #elif defined(__APPLE__) uint32_t len = 1024; #elif defined(NACL) // Do nothing #else int x; #endif #if defined(WIN32) && defined(_LINKVM) && !defined(WINSERVICE) if (agentHost->dpiAwareness != NULL) { agentHost->dpiAwareness(PROCESS_PER_MONITOR_DPI_AWARE); } else { SetProcessDPIAware(); } #endif if ((paramLen == 1 && strcmp(param[0], "--slave") == 0) || (paramLen == 2 && strcmp(param[1], "--slave") == 0)) { MeshAgent_Slave(agentHost); return 0; } #ifndef __APPLE__ if (paramLen == 2 && strcmp(param[1], "--netinfo") == 0) { char* data; int len = MeshInfo_GetSystemInformation(&data); if (len > 0) { printf("%s\r\n", data); free(data); } return 0; } #endif if (agentHost->exePath == NULL) { agentHost->exePath = exePath; exePath[0] = 0; #ifdef WIN32 WCHAR tmpExePath[2048]; GetModuleFileNameW(NULL, tmpExePath, sizeof(tmpExePath)/2); WideCharToMultiByte(CP_UTF8, 0, (LPCWCH)tmpExePath, -1, (LPSTR)exePath, (int)ILibMemory_Size(exePath), NULL, NULL); #elif defined(__APPLE__) if (_NSGetExecutablePath(exePath, &len) != 0) ILIBCRITICALEXIT(247); exePath[(int)len] = 0; agentHost->exePath = exePath; #elif defined(NACL) #else #ifdef _FREEBSD x = readlink("/proc/curproc/file", exePath, 1024); #else x = readlink("/proc/self/exe", exePath, 1024); #endif if (x < 0 || x >= 1024) ILIBCRITICALEXIT(246); exePath[x] = 0; #endif } // Perform a self SHA384 Hash GenerateSHA384FileHash(agentHost->exePath, agentHost->agentHash); int _pX, _piX; for (_pX = 1; _pX < paramLen; ++_pX) { if ((_piX = ILibString_IndexOf(param[_pX], (int)strnlen_s(param[_pX], sizeof(ILibScratchPad)), "=", 1)) > 2 && strncmp(param[_pX], "--", 2) == 0) { if (_piX - 2 == 13 && strncmp(param[_pX] + 2, "configUsesCWD", 13) == 0 && strncmp(param[_pX] + _piX + 1, "1", 1) == 0) { // Config files use working path, instead of binary path agentHost->configPathUsesCWD = 1; break; } } } ILibCriticalLogFilename = ILibString_Copy(MeshAgent_MakeAbsolutePath(agentHost->exePath, ".log"), 0); #ifndef MICROSTACK_NOTLS util_openssl_init(); #endif ILibChain_OnDestroyEvent_AddHandler(agentHost->chain, MeshAgent_ChainEnd, agentHost); #ifdef WIN32 x = ILibString_LastIndexOf(param[0], -1, "\\", 1); if (x > 0) { strncpy_s(ILibScratchPad2, sizeof(ILibScratchPad2), param[0], x); ILibScratchPad2[x] = 0; SetCurrentDirectoryW(ILibUTF8ToWide(ILibScratchPad2, -1)); } #endif void *reserved[] = { agentHost, ¶mLen, param }; // Check to see if we are running as just a JavaScript Engine if (agentHost->meshCoreCtx_embeddedScript != NULL || (paramLen >= 2 && ILibString_EndsWith(param[1], -1, ".js", 3) != 0) || (paramLen >= 2 && ILibString_EndsWith(param[1], -1, ".zip", 4) != 0)) { // We are acting as a scripting engine ILibChain_RunOnMicrostackThreadEx(agentHost->chain, MeshAgent_ScriptMode_Dispatched, reserved); ILibStartChain(agentHost->chain); agentHost->chain = NULL; } else { // We are acting as an Agent ILibChain_RunOnMicrostackThreadEx(agentHost->chain, MeshAgent_AgentMode_Dispatched, reserved); ILibStartChain(agentHost->chain); agentHost->chain = NULL; // Mesh agent has exited, set the chain to NULL // Close the database if (agentHost->masterDb != NULL) { if (agentHost->performSelfUpdate != 0) { if (agentHost->JSRunningAsService == 0) { int jsonlen = ILibSimpleDataStore_Cached_GetJSONEx(agentHost->masterDb, NULL, 0); if (jsonlen > 0) { startParms = (char*)ILibMemory_SmartAllocateEx(jsonlen, ILibBase64EncodeLength(jsonlen)); unsigned char* tmp = (unsigned char*)ILibMemory_Extra(startParms); ILibSimpleDataStore_Cached_GetJSONEx(agentHost->masterDb, startParms, jsonlen); ILibBase64Encode((unsigned char*)startParms, jsonlen, &tmp); if (agentHost->logUpdate != 0) { ILIBLOGMESSAGEX(" Service Parameters => %s", startParms); } } else { if (agentHost->logUpdate != 0) { ILIBLOGMESSAGEX(" Service Parameters => NONE"); } } } else { #ifdef WIN32 if(strcmp(agentHost->meshServiceName, "Mesh Agent") !=0) #else if (strcmp(agentHost->meshServiceName, "Mesh Agent") != 0) #endif { startParms = ILibMemory_SmartAllocateEx(ILibMemory_Size(agentHost->meshServiceName) + 30, ILibBase64EncodeLength(ILibMemory_Size(agentHost->meshServiceName) + 30)); unsigned char* tmp = (unsigned char*)ILibMemory_Extra(startParms); ILibBase64Encode((unsigned char*)startParms, sprintf_s(startParms, ILibMemory_Size(startParms), "[\"--meshServiceName=\\\"%s\\\"\"]", agentHost->meshServiceName), &tmp); } } } ILibSimpleDataStore_Close(agentHost->masterDb); agentHost->masterDb = NULL; } // Check if we need to perform self-update (performSelfUpdate should indicate startup type on Liunx: 1 = systemd, 2 = upstart, 3 = sysv-init) if (agentHost->performSelfUpdate != 0) { #ifdef WIN32 STARTUPINFOW info = { sizeof(info) }; PROCESS_INFORMATION processInfo; #endif // Get the update executable path #ifdef WIN32 char* updateFilePath = MeshAgent_MakeAbsolutePath(agentHost->exePath, ".update.exe"); // uses ILibScratchPad2 #else char* updateFilePath = MeshAgent_MakeAbsolutePath(agentHost->exePath, ".update"); // uses ILibScratchPad2 #endif if (agentHost->logUpdate != 0) { ILIBLOGMESSSAGE("SelfUpdate -> Updating..."); } #ifdef WIN32 // Windows version sprintf_s(ILibScratchPad, sizeof(ILibScratchPad), "%s -update:*%s %s", updateFilePath, agentHost->JSRunningAsService!=0?"S":"C", startParms==NULL?"":(char*)ILibMemory_Extra(startParms)); if (!CreateProcessW(NULL, ILibUTF8ToWide(ILibScratchPad, -1), NULL, NULL, TRUE, CREATE_NO_WINDOW, NULL, NULL, &info, &processInfo)) { // We triedI to execute a bad executable... not good. Lets try to recover. if (agentHost->logUpdate != 0) { ILIBLOGMESSSAGE("SelfUpdate -> FAILED..."); } if (updateFilePath != NULL && agentHost->exePath != NULL) { while (util_CopyFile(agentHost->exePath, updateFilePath, FALSE) == FALSE) Sleep(5000); if (CreateProcessW(NULL, ILibUTF8ToWide(ILibScratchPad, -1), NULL, NULL, TRUE, CREATE_NO_WINDOW, NULL, NULL, &info, &processInfo)) { CloseHandle(processInfo.hProcess); CloseHandle(processInfo.hThread); } } } else { CloseHandle(processInfo.hProcess); CloseHandle(processInfo.hThread); } #else if (agentHost->JSRunningAsService != 0) { // We were started as a service if (agentHost->logUpdate != 0) { ILIBLOGMESSSAGE("SelfUpdate -> Service Check... [YES]"); } struct stat results; stat(agentHost->exePath, &results); // This the mode of the current executable chmod(updateFilePath, results.st_mode); // Set the new executable to the same mode as the current one. if (agentHost->platformType == MeshAgent_Posix_PlatformTypes_BSD) { // FreeBSD doesn't support hot-swapping the binary if (agentHost->logUpdate != 0) { ILIBLOGMESSSAGE("SelfUpdate -> Handing off to child to complete"); } sprintf_s(ILibScratchPad, sizeof(ILibScratchPad), "%s -exec \"var s=require('service-manager').manager.getService('meshagent');s.stop();require('fs').copyFileSync('%s', '%s');s.start();process.exit();\"", updateFilePath, updateFilePath, agentHost->exePath); ignore_result(MeshAgent_System(ILibScratchPad)); } else { sprintf_s(ILibScratchPad, sizeof(ILibScratchPad), "mv \"%s\" \"%s\"", updateFilePath, agentHost->exePath); // Move the update over our own executable if (system(ILibScratchPad)) {} switch (agentHost->platformType) { case MeshAgent_Posix_PlatformTypes_LAUNCHD: if (agentHost->logUpdate != 0) { ILIBLOGMESSSAGE("SelfUpdate -> Complete... [kickstarting service]"); } sprintf_s(ILibScratchPad, sizeof(ILibScratchPad), "launchctl kickstart -k system/meshagent"); // Restart the service ignore_result(system(ILibScratchPad)); break; case MeshAgent_Posix_PlatformTypes_SYSTEMD: if (agentHost->logUpdate != 0) { ILIBLOGMESSSAGE("SelfUpdate -> Complete... [SYSTEMD should auto-restart]"); } exit(1); break; case MeshAgent_Posix_PlatformTypes_PROCD: if (agentHost->logUpdate != 0) { ILIBLOGMESSSAGE("SelfUpdate -> Complete... [PROCD should auto-restart]"); } exit(1); break; case MeshAgent_Posix_PlatformTypes_INITD: if (agentHost->logUpdate != 0) { ILIBLOGMESSSAGE("SelfUpdate -> Complete... Calling Service restart (INITD)"); } sprintf_s(ILibScratchPad, sizeof(ILibScratchPad), "service meshagent restart"); // Restart the service ignore_result(MeshAgent_System(ILibScratchPad)); break; case MeshAgent_Posix_PlatformTypes_INIT_UPSTART: if (agentHost->logUpdate != 0) { ILIBLOGMESSSAGE("SelfUpdate -> Complete... Calling initctl restart (UPSTART)"); } sprintf_s(ILibScratchPad, sizeof(ILibScratchPad), "initctl restart meshagent"); // Restart the service ignore_result(MeshAgent_System(ILibScratchPad)); break; default: break; } } } else { if (agentHost->logUpdate != 0) { ILIBLOGMESSSAGE("SelfUpdate -> Service Check... [NO]"); ILIBLOGMESSSAGE("SelfUpdate -> Manual Mode (COMPLETE)"); } // Generic update process, call our own update with arguments. struct stat results; stat(agentHost->exePath, &results); // This the mode of the current executable chmod(updateFilePath, results.st_mode); // Set the new executable to the same mode as the current one. sprintf_s(ILibScratchPad, sizeof(ILibScratchPad), "\"%s\" -update:* %s &", updateFilePath, startParms == NULL ? "" : (char*)ILibMemory_Extra(startParms)); if (system(ILibScratchPad)) {} } #endif } } if (startParms != NULL) { ILibMemory_Free(startParms); } #ifndef MICROSTACK_NOTLS util_openssl_uninit(); #endif if (ILibCriticalLogFilename != NULL) free(ILibCriticalLogFilename); return 0; } void MeshAgent_Destroy(MeshAgentHostContainer* agent) { #ifndef MICROSTACK_NOTLS util_freecert(&agent->selftlscert); util_freecert(&agent->selfcert); #endif if (agent->masterDb != NULL) { ILibSimpleDataStore_Close(agent->masterDb); agent->masterDb = NULL; } if (agent->chain != NULL) { ILibChain_DestroyEx(agent->chain); agent->chain = NULL; } if (agent->multicastDiscoveryKey != NULL) { free(agent->multicastDiscoveryKey); agent->multicastDiscoveryKey = NULL; } if (agent->multicastServerUrl != NULL) { free(agent->multicastServerUrl); agent->multicastServerUrl = NULL; } if (agent->meshServiceName != NULL) { ILibMemory_Free(agent->meshServiceName); agent->meshServiceName = NULL; } #ifdef WIN32 if (agent->shCore != NULL) { FreeLibrary((HMODULE)agent->shCore); } #endif free(agent); } void MeshAgent_Stop(MeshAgentHostContainer *agent) { ILibStopChain(agent->chain); } #ifdef WIN32 // Perform self-update (Windows console/tray version) void MeshAgent_PerformSelfUpdate(char* selfpath, char* exepath, int argc, char **argv) { int i, ptr = 0; STARTUPINFOW info = { sizeof(info) }; PROCESS_INFORMATION processInfo; // Sleep for 5 seconds, this will give some time for the calling process to get going. Sleep(5000); // Built the argument list ILibScratchPad[0] = 0; for (i = 2; i < argc; i++) ptr += sprintf_s(ILibScratchPad + ptr, 4096 - ptr, " %s", argv[i]); sprintf_s(ILibScratchPad2, 60000, "%s%s", exepath, ILibScratchPad); // Attempt to copy our own exe over the original exe while (util_CopyFile(selfpath, exepath, FALSE) == FALSE) Sleep(5000); // Now run the process if (!CreateProcessW(NULL, ILibUTF8ToWide(ILibScratchPad2, -1), NULL, NULL, TRUE, 0, NULL, NULL, &info, &processInfo)) { // TODO: Failed to run update. } else { CloseHandle(processInfo.hProcess); CloseHandle(processInfo.hThread); } } #else // Perform self-update (Linux version) void MeshAgent_PerformSelfUpdate(char* selfpath, char* exepath, int argc, char **argv) { int i, ptr = 0; // First, we wait a little to give time for the calling process to exit sleep(5); // Attempt to copy our own exe over remove(exepath); sprintf_s(ILibScratchPad2, 6000, "cp \"%s\" \"%s\"", selfpath, exepath); while (system(ILibScratchPad2) != 0) { sleep(5); remove(exepath); } // Built the argument list ILibScratchPad[0] = 0; for (i = 2; i < argc && ptr >= 0; i++) ptr += sprintf_s(ILibScratchPad + ptr, 4096 - ptr, " %s", argv[i]); sprintf_s(ILibScratchPad2, 60000, "%s%s &", exepath, ILibScratchPad); // Now run the updated process i = system(ILibScratchPad2); UNREFERENCED_PARAMETER(i); } #endif #ifdef __DOXY__ /*! \implements EventEmitter \brief JavaScript object interface for native Mesh Agent */ class MeshAgent { public: /*! \brief Event emitted when the MeshAgent is initialized and ready to connect */ void Ready; /*! \brief Event emitted when the MeshAgent has established an authenticated control channel with the server */ void Connected; void kvmConnected; /*! \brief Event emitted when an LMS notification is received \param notification Notification object in the format:\n messageId \ indicationTime \ messageArguments \ rawXML \ */ void lmsNotification; /*! \brief The Mesh Server the agent is connected to. If LAN Mode, will be 'local' */ String ConnectedServer; /*! \brief The fully qualified network uri that the agent is connected to (ie: wss://www.meshcentral.com:443/agent.ashx) */ String ServerUrl; /*! \brief Returns a DuplexStream KVM session, that can be piped to a data channel. */ DuplexStream getRemoteDesktopStream(); /*! \brief Add a function callback to be added to the list of Command listeners, which gets dispatched whenever a command is received from the server. \param handler */ void AddCommandHandler(handler); /*! \brief Add a function callback that will get dispatched when the MeshAgent successfully establishes an authenticated control channel with the server \param handler */ void AddConnectHandler(handler); /*! \brief Send a command to the server \param cmd \ Command to send \return False if the calling code should wait for the 'drain' event before sending more commands */ bool SendCommand(cmd); /*! \brief Property indicating if MicroLMS is active */ Integer activeMicroLMS; /*! \brief Property indicating if KVM Support is present */ Integer hasKVM; /*! \brief Property indicating if HECI support is present */ Integer hasHECI; /*! \brief Property containing MEInfo */ Object MEInfo; /*! \brief Property containing NetInfo */ Object NetInfo; /*! \brief Executes power state command on the computer (ie: Sleep, Hibernate...) \param powerState \param force Optional \return status */ Integer ExecPowerState(powerState[, force]); /*! \brief Generates a new self signed certificate \param passphrase \ passphrase for private key \return \ PKS encoded certificate */ Buffer GenerateCertificate(passphrase); }; #endif