hexchat/plugins/exec/exec.c
2011-11-27 11:05:38 +01:00

127 lines
3.7 KiB
C

/* XChat-WDK
* Copyright (c) 2011 Berke Viktor.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <windows.h>
#include <time.h>
#include "xchat-plugin.h"
static xchat_plugin *ph; /* plugin handle */
static int
run_command (char *word[], char *word_eol[], void *userdata)
{
char commandLine[1024];
char buffer[4096];
DWORD dwRead = 0;
DWORD dwLeft = 0;
DWORD dwAvail = 0;
time_t start;
double timeElapsed;
HANDLE readPipe;
HANDLE writePipe;
STARTUPINFO sInfo;
PROCESS_INFORMATION pInfo;
SECURITY_ATTRIBUTES secattr;
ZeroMemory (&secattr, sizeof (secattr));
secattr.nLength = sizeof (secattr);
secattr.bInheritHandle = TRUE;
if (strlen (word[2]) > 0)
{
strcpy (commandLine, "cmd.exe /c ");
strcat (commandLine, word_eol[2]);
CreatePipe (&readPipe, &writePipe, &secattr, 0); /* might be replaced with MyCreatePipeEx */
ZeroMemory (&sInfo, sizeof (sInfo));
ZeroMemory (&pInfo, sizeof (pInfo));
sInfo.cb = sizeof (sInfo);
sInfo.dwFlags = STARTF_USESTDHANDLES;
sInfo.hStdInput = NULL;
sInfo.hStdOutput = writePipe;
sInfo.hStdError = writePipe;
CreateProcess (0, commandLine, 0, 0, TRUE, NORMAL_PRIORITY_CLASS | CREATE_NO_WINDOW, 0, 0, &sInfo, &pInfo);
CloseHandle (writePipe);
start = time (0);
while (PeekNamedPipe (readPipe, buffer, 1, &dwRead, &dwAvail, &dwLeft) && timeElapsed < 10)
{
if (dwRead)
{
if (ReadFile (readPipe, buffer, sizeof (buffer) - 1, &dwRead, NULL) && dwRead != 0 )
{
/* avoid garbage */
buffer[dwRead] = '\0';
xchat_printf (ph, "%s", buffer);
}
}
else
{
/* this way we'll more likely get full lines */
SleepEx (100, TRUE);
}
timeElapsed = difftime (time (0), start);
}
}
if (timeElapsed >= 10)
{
xchat_printf (ph, "Command took too much time to run, execution aborted.\n");
}
CloseHandle (readPipe);
CloseHandle (pInfo.hProcess);
CloseHandle (pInfo.hThread);
return XCHAT_EAT_XCHAT;
}
int
xchat_plugin_init (xchat_plugin *plugin_handle, char **plugin_name, char **plugin_desc, char **plugin_version, char *arg)
{
ph = plugin_handle;
*plugin_name = "Exec";
*plugin_desc = "Execute commands inside XChat";
*plugin_version = "1.0";
xchat_hook_command (ph, "EXEC", XCHAT_PRI_NORM, run_command, 0, 0);
xchat_printf (ph, "%s plugin loaded\n", *plugin_name);
return 1; /* return 1 for success */
}
int
xchat_plugin_deinit (void)
{
xchat_print (ph, "Exec plugin unloaded\n");
return 1;
}