meillo@367: /*
meillo@367: **  MasqMail
meillo@367: **  Copyright (C) 1999-2001 Oliver Kurth
meillo@367: **  Copyright (C) 2008, 2010 markus schnalke <meillo@marmaro.de>
meillo@367: **
meillo@367: **  This program is free software; you can redistribute it and/or modify
meillo@367: **  it under the terms of the GNU General Public License as published by
meillo@367: **  the Free Software Foundation; either version 2 of the License, or
meillo@367: **  (at your option) any later version.
meillo@367: **
meillo@367: **  This program is distributed in the hope that it will be useful,
meillo@367: **  but WITHOUT ANY WARRANTY; without even the implied warranty of
meillo@367: **  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
meillo@367: **  GNU General Public License for more details.
meillo@367: **
meillo@367: **  You should have received a copy of the GNU General Public License
meillo@367: **  along with this program; if not, write to the Free Software
meillo@367: **  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
meillo@0: */
meillo@0: 
meillo@0: #include <sys/wait.h>
meillo@15: 
meillo@0: #include "masqmail.h"
meillo@0: #include "peopen.h"
meillo@0: 
meillo@0: 
meillo@310: gchar*
meillo@310: online_query()
meillo@0: {
meillo@366: 	gchar *pipe = conf.online_query;
meillo@10: 	pid_t pid;
meillo@10: 	void (*old_signal) (int);
meillo@10: 	int status;
meillo@10: 	FILE *in;
meillo@10: 	gchar *name = NULL;
meillo@0: 
meillo@310: 	if (!conf.online_query) {
meillo@310: 		return NULL;
meillo@310: 	}
meillo@310: 	DEBUG(3) debugf("online query `%s'\n", pipe);
meillo@310: 
meillo@10: 	old_signal = signal(SIGCHLD, SIG_DFL);
meillo@0: 
meillo@10: 	in = peopen(pipe, "r", environ, &pid);
meillo@310: 	if (!in) {
meillo@33: 		logwrite(LOG_ALERT, "could not open pipe '%s': %s\n", pipe, strerror(errno));
meillo@33: 		signal(SIGCHLD, old_signal);
meillo@33: 		return NULL;
meillo@33: 	}
meillo@33: 
meillo@33: 	gchar output[256];
meillo@33: 	if (fgets(output, 255, in)) {
meillo@33: 		g_strchomp(g_strchug(output));
meillo@33: 		if (strlen(output) == 0) {
meillo@33: 			logwrite(LOG_ALERT, "only whitespace connection name\n");
meillo@33: 			name = NULL;
meillo@18: 		} else {
meillo@33: 			name = g_strdup(output);
meillo@10: 		}
meillo@33: 	} else {
meillo@33: 		logwrite(LOG_ALERT, "nothing read from pipe %s\n", pipe);
meillo@33: 		name = NULL;
meillo@33: 	}
meillo@33: 	fclose(in);
meillo@33: 	waitpid(pid, &status, 0);
meillo@262: 	if (WEXITSTATUS(status) != 0) {
meillo@33: 		g_free(name);
meillo@33: 		name = NULL;
meillo@33: 	}
meillo@0: 
meillo@10: 	signal(SIGCHLD, old_signal);
meillo@0: 
meillo@10: 	return name;
meillo@0: }