Initial

2016-04-27 20:35:44 +02:00
commit d2f0741fd4
13 changed files with 1803 additions and 0 deletions
--- a/main.c
+++ b/main.c
@@ -0,0 +1,116 @@
+/*
+ * UserServer/0.1
+ * main.c - Main facility
+ *
+ * Copyright (C) 2002 Gergely Polonkai
+ * Copyright (C) 2002-2006 P-Team Programmers' Group
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program 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.
+ *
+ * You should have recieved a copy of the GNU General Public License
+ * along with this program; if not, write to Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA, 02111-1307, USA.
+ *
+ * GNU GPL is in doc/COPYING
+ */
+
+#define USERV_MAIN
+
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/time.h>
+#include <time.h>
+#include <stdlib.h>
+
+#include "userv.h"
+#include "functions.h"
+
+LST *laddr = NULL;
+CST *caddr = NULL;
+UST *auser = NULL;
+NST *nconn = NULL;
+SST *saddr = NULL;
+PST *paddr = NULL;
+
+int
+main(void) {
+  int t;
+  struct timeval tv;
+  FILE *pf;
+
+  SetSignals();
+
+  if (daemon(1, 0) == -1) {
+    Log(MT_ERROR, "Couldn't detach from controlling terminal");
+    CleanUp(0);
+    unlink("/var/run/userv.pid");
+    return -1;
+  }
+
+  if ((pf = fopen("/var/run/userv.pid", "w")) == NULL) {
+    Log(MT_ERROR, "Unable to create pidfile");
+    return -1;
+  }
+  fprintf(pf, "%d\n", getpid());
+  fclose(pf);
+
+  if (gettimeofday(&tv, NULL) != 0) {
+    Log(MT_ERROR, "Unable to get system time");
+    unlink("/var/run/userv.pid");
+    return -1;
+  }
+  srand(tv.tv_usec);
+
+  if (geteuid() != 0) {
+    Log(MT_ERROR, "This server MUST be run as root!");
+    unlink("/var/run/userv.pid");
+    return -1;
+  }
+
+  t = ParseConfig();
+  if (t != 0) {
+    CleanUp(0);
+    unlink("/var/run/userv.pid");
+  }
+  if (t > 0) {
+    Log(MT_ERROR, "Erronous line at /etc/userv.conf:%d", t);
+    return -1;
+  } else if (t < 0) {
+    switch (ParseConfig()) {
+      case ERR_NOCF:
+        Log(MT_ERROR, "Config file /etc/userv.conf doesn't exist");
+        return -1;
+      case ERR_NOMEM:
+        Log(MT_ERROR, "Not enough memory while processing /etc/userv.conf");
+        return -1;
+      default:
+        Log(MT_ERROR, "Undefined error\n");
+        return -2;
+    }
+  }
+
+  if (StartListening() != ERR_OK) {
+    Log(MT_ERROR, "Error occured while starting networking");
+    CleanUp(0);
+    unlink("/var/run/userv.pid");
+    return -1;
+  }
+
+  if (MainLoop() != ERR_OK)
+    Log(MT_ERROR, "Error during loop");
+
+  unlink("/var/run/userv.pid");
+
+  CleanUp(0);
+
+  return 0;
+}
+