117 lines
2.7 KiB
C
117 lines
2.7 KiB
C
/*
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* UserServer/0.1
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* main.c - Main facility
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*
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* Copyright (C) 2002 Gergely Polonkai
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* Copyright (C) 2002-2006 P-Team Programmers' Group
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have recieved a copy of the GNU General Public License
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* along with this program; if not, write to Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA, 02111-1307, USA.
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*
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* GNU GPL is in doc/COPYING
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*/
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#define USERV_MAIN
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#include <stdio.h>
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#include <unistd.h>
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#include <sys/time.h>
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#include <time.h>
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#include <stdlib.h>
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#include "userv.h"
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#include "functions.h"
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LST *laddr = NULL;
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CST *caddr = NULL;
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UST *auser = NULL;
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NST *nconn = NULL;
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SST *saddr = NULL;
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PST *paddr = NULL;
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int
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main(void) {
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int t;
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struct timeval tv;
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FILE *pf;
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SetSignals();
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if (daemon(1, 0) == -1) {
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Log(MT_ERROR, "Couldn't detach from controlling terminal");
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CleanUp(0);
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unlink("/var/run/userv.pid");
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return -1;
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}
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if ((pf = fopen("/var/run/userv.pid", "w")) == NULL) {
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Log(MT_ERROR, "Unable to create pidfile");
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return -1;
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}
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fprintf(pf, "%d\n", getpid());
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fclose(pf);
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if (gettimeofday(&tv, NULL) != 0) {
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Log(MT_ERROR, "Unable to get system time");
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unlink("/var/run/userv.pid");
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return -1;
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}
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srand(tv.tv_usec);
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if (geteuid() != 0) {
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Log(MT_ERROR, "This server MUST be run as root!");
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unlink("/var/run/userv.pid");
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return -1;
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}
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t = ParseConfig();
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if (t != 0) {
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CleanUp(0);
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unlink("/var/run/userv.pid");
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}
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if (t > 0) {
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Log(MT_ERROR, "Erronous line at /etc/userv.conf:%d", t);
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return -1;
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} else if (t < 0) {
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switch (ParseConfig()) {
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case ERR_NOCF:
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Log(MT_ERROR, "Config file /etc/userv.conf doesn't exist");
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return -1;
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case ERR_NOMEM:
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Log(MT_ERROR, "Not enough memory while processing /etc/userv.conf");
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return -1;
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default:
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Log(MT_ERROR, "Undefined error\n");
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return -2;
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}
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}
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if (StartListening() != ERR_OK) {
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Log(MT_ERROR, "Error occured while starting networking");
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CleanUp(0);
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unlink("/var/run/userv.pid");
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return -1;
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}
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if (MainLoop() != ERR_OK)
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Log(MT_ERROR, "Error during loop");
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unlink("/var/run/userv.pid");
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CleanUp(0);
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return 0;
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}
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