ossp-pkg/petidomo/main.c
1.2
/*
$Source: /v/ossp/cvs/ossp-pkg/petidomo/main.c,v $
$Revision: 1.2 $
Copyright (C) 2000 by CyberSolutions GmbH, Germany.
This file is part of OpenPetidomo.
OpenPetidomo is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
OpenPetidomo is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
*/
#include <stdio.h>
#include <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>
#include <string.h>
#include "petidomo.h"
#ifndef LOG_PERROR
# define LOG_PERROR 0
#endif
MODULE_TABLE /* defined in debug.h */
static char * listname = NULL;
#ifdef DEBUG
static argv_array_t debug;
#endif
int
main(int argc, char * argv[])
{
const struct PD_Config * MasterConfig;
char * incoming_mail;
char * programname;
argv_t args[] = {
#ifdef DEBUG
{'d', "debug", ARGV_CHAR_P | ARGV_FLAG_ARRAY , &debug, "debug",
"Set debug level per module."},
#endif
{ARGV_MAYBE, 0L, ARGV_CHAR_P, &listname, "listname", "Default mailing list."},
{ARGV_LAST}
};
int fd;
/* Determine the name we have been called under. */
programname = strrchr(argv[0], (int) '/');
if (programname == NULL)
programname = argv[0];
else
programname++;
/* Init logging routines first of all, so that we can report
errors. */
openlog(programname, LOG_CONS | LOG_PID | LOG_PERROR, LOG_MAIL);
/* Set our umask. */
umask(S_IRWXO); /* We don't care for "others". */
/* Switch real and effective uid/gid to 'petidomo'. */
#ifdef HAVE_SETREUID
setreuid(geteuid(), geteuid());
#endif
#ifdef HAVE_SETREGID
setregid(getegid(), getegid());
#endif
/* Parse the command line. */
argv_help_string = "OpenPetidomo Mailing List Server";
argv_version_string = "OpenPetidomo";
argv_process(args, argc, argv);
/* Set debug level according to the wishes of the user. */
#ifdef DEBUG
if (argvSetDebugLevel(debug) != 0)
exit(1);
#endif
/* Init Petidomo's internal stuff. */
if (InitPetidomo() != 0) {
syslog(LOG_CRIT, "Failed to initialize my internals.");
exit(1);
}
MasterConfig = getMasterConfig();
/* Load the file from standard input and save it, so that it isn't
lost in case of an error. */
incoming_mail = LoadFromDescriptor(STDIN_FILENO);
if (incoming_mail == NULL) {
syslog(LOG_ERR, "Failed to read incoming mail from standard input.");
exit(1);
}
RescueMail(incoming_mail);
/* Detach ourselves, if the configurator wished it so. */
if (MasterConfig->detach == TRUE) {
debug((DEBUG_MAIN, 3, "Detaching from control terminal and running asyncronously."));
switch (fork()) {
case -1:
syslog(LOG_CRIT, "Can't fork(): %m");
exit(1);
case 0:
setsid();
fd = open("/dev/null", O_RDWR, 0);
if (fd != -1) {
dup2(fd, STDIN_FILENO);
dup2(fd, STDOUT_FILENO);
dup2(fd, STDERR_FILENO);
if (fd > 2)
close (fd);
}
break;
default:
_exit(0);
}
}
/* Now decide what we actually do with the mail. */
if (strcasecmp("listserv", programname) == 0)
listserv_main(incoming_mail, listname);
else if (strcasecmp("hermes", programname) == 0)
{
if (listname != NULL)
hermes_main(incoming_mail, listname);
else
{
syslog(LOG_ERR, "Wrong command line syntax. \"hermes\" requires a parameter.");
exit(1);
}
}
else if (strcasecmp("petidomo", programname) == 0)
{
/* do nothing */
}
else
{
syslog(LOG_ERR, "I have been called under an unknown name \"%s\".", programname);
exit(1);
}
/* Exit gracefully. */
RemoveRescueMail();
return 0;
}
