/**
* Creates a proxy_connection if a client wants to connect
*
* @access public
* @param fd_set *master
* @param connection_context *ctx
* @param int hListen
* @return int newsocket
*/
int create_proxy_connection(fd_set *master, connection_context *ctx, int hListen) {
struct sockaddr_in remoteaddr;
proxy_connection *conn;
int addrlen;
int newfd;
addrlen= sizeof (remoteaddr);
if (-1 == (newfd= accept(hListen, (struct sockaddr *)&remoteaddr, &addrlen))) {
ERR("Could not accept new connection");
return -1;
}
alloc_connection(&conn);
conn->hClient= newfd;
add_connection(ctx, conn);
/* Add socket to fdset */
FD_SET (newfd, master);
_dump_context (ctx);
LOG("New client connected");
return newfd;
}
static VOID
PrintStackTrace(IN PEXCEPTION_POINTERS ExceptionInfo)
{
PVOID StartAddr;
CHAR szMod[128] = "", *szModFile;
PEXCEPTION_RECORD ExceptionRecord = ExceptionInfo->ExceptionRecord;
PCONTEXT ContextRecord = ExceptionInfo->ContextRecord;
/* Print a stack trace */
DbgPrint("Unhandled exception\n");
DbgPrint("ExceptionCode: %8x\n", ExceptionRecord->ExceptionCode);
if (ExceptionRecord->ExceptionCode == STATUS_ACCESS_VIOLATION &&
ExceptionRecord->NumberParameters == 2)
{
DbgPrint("Faulting Address: %8x\n", ExceptionRecord->ExceptionInformation[1]);
}
_dump_context(ContextRecord);
_module_name_from_addr(ExceptionRecord->ExceptionAddress, &StartAddr, szMod, sizeof(szMod), &szModFile);
DbgPrint("Address:\n<%s:%x> (%s@%x)\n",
szModFile,
(ULONG_PTR)ExceptionRecord->ExceptionAddress - (ULONG_PTR)StartAddr,
szMod,
StartAddr);
#ifdef _M_IX86
DbgPrint("Frames:\n");
_SEH2_TRY
{
UINT i;
PULONG Frame = (PULONG)ContextRecord->Ebp;
for (i = 0; Frame[1] != 0 && Frame[1] != 0xdeadbeef && i < 128; i++)
{
if (IsBadReadPtr((PVOID)Frame[1], 4))
{
DbgPrint("<%s:%x>\n", "[invalid address]", Frame[1]);
}
else
{
_module_name_from_addr((const void*)Frame[1], &StartAddr,
szMod, sizeof(szMod), &szModFile);
DbgPrint("<%s:%x> (%s@%x)\n",
szModFile,
(ULONG_PTR)Frame[1] - (ULONG_PTR)StartAddr,
szMod,
StartAddr);
}
if (IsBadReadPtr((PVOID)Frame[0], sizeof(*Frame) * 2))
break;
Frame = (PULONG)Frame[0];
}
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
DbgPrint("<error dumping stack trace: 0x%x>\n", _SEH2_GetExceptionCode());
}
_SEH2_END;
#endif
}
