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Code Issues Releases Wiki Activity

Added Canary Check to KVM WriteSink

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This commit is contained in:
Bryan Roe
2019-12-06 11:38:24 -08:00
parent e85d00e3e0
commit 0bfe380682
1 changed files with 7 additions and 6 deletions
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13
meshcore/agentcore.c
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@@ -1022,6 +1022,8 @@ void ILibDuktape_MeshAgent_Ready(ILibDuktape_EventEmitter *sender, char *eventNa
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)
@@ -1309,13 +1311,12 @@ duk_ret_t ILibDuktape_MeshAgent_getRemoteDesktop(duk_context *ctx)
agent = (MeshAgentHostContainer*)duk_get_pointer(ctx, -1);
duk_pop(ctx);
duk_push_object(ctx); // [MeshAgent][RemoteDesktop]
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]
duk_push_fixed_buffer(ctx, sizeof(RemoteDesktop_Ptrs)); // [MeshAgent][RemoteDesktop][buffer]
ptrs = (RemoteDesktop_Ptrs*)Duktape_GetBuffer(ctx, -1, NULL);
duk_put_prop_string(ctx, -2, REMOTE_DESKTOP_ptrs); // [MeshAgent][RemoteDesktop]
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;