MeshCentral/MeshAgent
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Code Issues Releases Wiki Activity

1. Integrated basic autoproxy support

Browse Source 
2. Fixed autoproxy related crash on linux
This commit is contained in:
Bryan Roe
2022-06-13 22:54:08 -07:00
parent 888398bffc
commit a9c4c456bc
5 changed files with 102 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

59
meshcore/agentcore.c
View File

@@ -103,6 +103,7 @@ char exeMeshPolicyGuid[] = { 0xB9, 0x96, 0x01, 0x58, 0x80, 0x54, 0x4A, 0x19, 0xB
#define REMOTE_DESKTOP_VIRTUAL_SESSION_USERNAME "\xFF_RemoteDesktopUSERNAME"
#define MESHAGENT_DATAPING_ARRAY "\xFF_MeshAgent_DataPingArray"
#define MESHAGENT_DATAPAING_PROMISE_TIMEOUT "\xFF_MeshAgent_DataPing_Timeout"
char autoproxy_setup[255] = { 0 };
#define KVM_IPC_SOCKET "\xFF_KVM_IPC_SOCKET"
int ILibDuktape_HECI_Debug = 0;
@@ -3735,6 +3736,40 @@ void MeshServer_ConnectEx_Lockout_Retry(void *j)
{
MeshServer_ConnectEx((MeshAgentHostContainer*)j);
}
duk_ret_t MeshServer_ConnectEx_AutoProxy(duk_context *ctx)
{
MeshAgentHostContainer *agent;
duk_push_heap_stash(ctx); // [stash]
duk_get_prop_string(ctx, -1, "MeshAgentPtr"); // [stash][agentPtr]
agent = (MeshAgentHostContainer*)duk_get_pointer(ctx, -1);
agent->autoproxy_status = 1;
if (duk_is_null_or_undefined(ctx, 0))
{
duk_eval_string_noresult(ctx, "process.stdout.write(' [DIRECT]\\n');");
}
else
{
char *result = (char*)duk_require_string(ctx, 0);
int len = sprintf_s(autoproxy_setup, sizeof(autoproxy_setup), "http://%s", result);
if (len > 0)
{
duk_push_sprintf(ctx, "process.stdout.write(' [%s]\\n');", result);
duk_peval_noresult(ctx);
ILibSimpleDataStore_Cached(agent->masterDb, "WebProxy", 8, autoproxy_setup, len + 1);
}
else
{
duk_eval_string_noresult(ctx, "process.stdout.write(' [ERROR]\\n');");
}
}
MeshServer_ConnectEx(agent);
return(0);
}
void MeshServer_ConnectEx(MeshAgentHostContainer *agent)
{
size_t len, serverUrlLen;
@@ -3765,6 +3800,30 @@ void MeshServer_ConnectEx(MeshAgentHostContainer *agent)
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; }
if (ILibSimpleDataStore_Get(agent->masterDb, "autoproxy", ILibScratchPad, sizeof(ILibScratchPad)) != 0)
{
if (agent->autoproxy_status == 0)
{
duk_push_sprintf(agent->meshCoreCtx, "require('proxy-helper').autoHelper(require('http').parseUri('%s').host);", ILibScratchPad2);
if (duk_peval(agent->meshCoreCtx) == 0) // [promise]
{
duk_eval_string_noresult(agent->meshCoreCtx, "process.stdout.write('Checking Autoproxy...');");
duk_prepare_method_call(agent->meshCoreCtx, -1, "then"); // [promise][then][this]
duk_push_c_function(agent->meshCoreCtx, MeshServer_ConnectEx_AutoProxy, DUK_VARARGS); // [promise][then][this][func]
duk_pcall_method(agent->meshCoreCtx, 1); // [ret]
duk_pop(agent->meshCoreCtx); // ...
return;
}
else
{
char *foo = duk_safe_to_string(agent->meshCoreCtx, -1);
printf("%s\n", foo);
}
duk_pop(agent->meshCoreCtx); // ...
}
}
rs = ILibParseString(ILibScratchPad2, 0, len, ",", 1);
if (agent->serverIndex == 0)
{

1
meshcore/agentcore.h
View File

@@ -255,6 +255,7 @@ typedef struct MeshAgentHostContainer
long consoleText_timeStamp;
int consoleText_counter;
int consoleText_maxRate;
int autoproxy_status;
#if defined(_WINSERVICE)
int runningAsConsole;
#endif

2
microscript/ILibDuktape_Polyfills.c
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File diff suppressed because one or more lines are too long

5
microscript/ILibDuktape_ScriptContainer.c
View File

@@ -2784,7 +2784,8 @@ duk_ret_t ILibDuktape_PAC_Create(duk_context *ctx)
duk_pop(ex);
char *pac = NULL;
pac[ILibBase64Decode((unsigned char*)"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", 3276, (unsigned char **)&pac)] = 0;
int pacLen = ILibBase64Decode((unsigned char*)"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", 3276, (unsigned char **)&pac);
pac[pacLen] = 0;
duk_peval_string_noresult(ex, pac);
free(pac);
@@ -2816,7 +2817,7 @@ duk_ret_t ILibDuktape_PAC_Create(duk_context *ctx)
duk_ret_t ILibDuktape_PAC_Find(duk_context *ctx)
{
duk_eval_string(ctx, "resolve('wpad');");
return(0);
return(1);
}
void ILibDuktape_PAC_PUSH(duk_context *ctx, void *chain)
{

38
modules/proxy-helper.js
View File

@@ -533,6 +533,43 @@ function windows_getProxy()
throw ('No proxies');
}
}
function auto_proxy_helper(target)
{
var promise = require('promise');
var ret = new promise(promise.defaultInit);
var wpadip = resolve('wpad');
ret.target = target;
ret.r = require('http').get('http://' + wpadip + '/wpad.dat');
ret.r.p = ret;
ret.r.on('response', function (img)
{
if (img.statusCode == 200 && img.headers['Content-Type'] == 'application/x-ns-proxy-autoconfig')
{
img.wpad = '';
this.i = img;
this.i.p = this.p;
img.on('data', function (c)
{
this.wpad += c.toString();
});
img.on('end', function ()
{
var z = require('PAC').Create(this.wpad);
this.p.resolve(z(this.p.target));
});
}
else
{
this.p.resolve(null);
}
});
ret.r.on('error', function () { this.p.resolve(null); });
return (ret);
}
switch (process.platform)
{
case 'linux':
@@ -546,3 +583,4 @@ switch (process.platform)
module.exports = { getProxy: macos_getProxy };
break;
}
module.exports.autoHelper = auto_proxy_helper;