Dummy server created.

1 files changed, 243 insertions, 0 deletions

diff --git a/server/src/pracrod.cc b/server/src/pracrod.cc
new file mode 100644
index 0000000..c9fa58b
--- /dev/null
+++ b/server/src/pracrod.cc
@@ -0,0 +1,243 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ *            pracrod.cc
+ *
+ *  Wed Aug 22 12:15:59 CEST 2007
+ *  Copyright 2007 Bent Bisballe Nyeng, Lars Bisballe Jensen and Peter Skaarup
+ *  deva@aasimon.org, elsenator@gmail.com and piparum@piparum.dk
+ ****************************************************************************/
+
+/*
+ *  This file is part of Pracro.
+ *
+ *  Pracro 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 of the License, or
+ *  (at your option) any later version.
+ *
+ *  Pracro 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 received a copy of the GNU General Public License
+ *  along with Pracro; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
+ */
+// For ETC
+#include <config.h>
+
+// For setuid and setgid
+#include <sys/types.h>
+#include <unistd.h>
+
+// For signal
+#include <signal.h>
+
+// For errno and strerror
+#include <errno.h>
+
+#include <stdio.h>
+
+#include <stdlib.h>
+#include <string.h>
+
+// For getpwent and getgrent
+#include <sys/types.h>
+#include <grp.h>
+#include <pwd.h>
+
+// For getopt_long and friends
+#include <getopt.h>
+
+#include "configuration.h"
+
+#include "server.h"
+
+#include "tcpsocket.h"
+
+static const char version_str[] =
+"Pracro server v" VERSION "\n"
+;
+
+static const char copyright_str[] =
+"Copyright (C) 2006-2007 Bent Bisballe Nyeng - Aasimon.org.\n"
+"This is free software.  You may redistribute copies of it under the terms of\n"
+"the GNU General Public License <http://www.gnu.org/licenses/gpl.html>.\n"
+"There is NO WARRANTY, to the extent permitted by law.\n"
+"\n"
+"Written by Bent Bisballe Nyeng (deva@aasimon.org)\n"
+;
+
+static const char usage_str[] =
+"Usage: %s [options]\n"
+"Options:\n"
+"  -c, --config file   Read configfile from 'file'\n"
+"  -f, --foreground    Run in foreground mode (non-background mode)\n"
+"  -u, --user user     Run as 'user' (overrides the configfile)\n"
+"  -g, --group group   Run as 'group' (overrides the configfile)\n"
+"  -v, --version       Print version information and exit.\n"
+"  -h, --help          Print this message and exit.\n"
+;
+
+void reload(int fisk)
+{
+  int port;
+  printf("Reload!\n");
+  port = Pentominos::config()->lookup("port");
+  Pentominos::config()->reload();
+
+  { // Force wake the server process for reinitialization.
+    Pentominos::TCPSocket socket;
+    socket.connect("localhost", port);
+  }
+}
+
+int main(int argc, char *argv[])
+{
+  int c;
+  char *configfile = NULL;
+  char *user = NULL;
+  char *group = NULL;
+  bool foreground = false;
+
+  int option_index = 0;
+  while(1) {
+    int this_option_optind = optind ? optind : 1;
+    static struct option long_options[] = {
+      {"foreground", no_argument, 0, 'f'},
+      {"config", required_argument, 0, 'c'},
+      {"user", required_argument, 0, 'u'},
+      {"group", required_argument, 0, 'g'},
+      {"help", no_argument, 0, 'h'},
+      {"version", no_argument, 0, 'v'},
+      {0, 0, 0, 0}
+    };
+    
+    c = getopt_long (argc, argv, "hvfc:u:g:", long_options, &option_index);
+    
+    if (c == -1)
+      break;
+
+    switch(c) {
+    case 'c':
+      configfile = strdup(optarg);
+      break;
+
+    case 'f':
+      foreground = true;
+      break;
+
+    case 'u':
+      user = strdup(optarg);
+      break;
+
+    case 'g':
+      group = strdup(optarg);
+      break;
+
+    case '?':
+    case 'h':
+      printf(version_str);
+      printf(usage_str, argv[0]);
+      return 0;
+
+    case 'v':
+      printf(version_str);
+      printf(copyright_str);
+      return 0;
+
+    default:
+      break;
+    }
+  }
+
+  char *cfname = NULL;
+  if(!configfile) cfname = ETC"/pracrod.conf";
+  else cfname = configfile;
+  Pentominos::Configuration conf(cfname);
+  Pentominos::initConfig(&conf);
+
+  if(!user) {
+    std::string userstr;
+    try {
+      userstr = (std::string)Pentominos::config()->lookup("user");
+      user = strdup(userstr.c_str());
+    } catch( ... ) {
+      printf("User not found in config.\n");
+    }
+  }
+
+  if(user) {
+    // Fetch user id
+    int uid = -1;
+    struct passwd *p = getpwent();
+    while(p) {
+      if(strcmp(p->pw_name, user) == 0) uid = p->pw_uid;
+      p = getpwent();
+    }
+    if(uid == -1) {
+      fprintf(stderr, "Could not find user \"%s\" in /etc/passwd file.\n", user);
+      return 1;
+    }
+
+    if(setuid(uid) == -1) {
+      fprintf(stderr, "Could not switch to user %s: %s\n", user, strerror(errno));
+      return 1;
+    }
+  }
+
+  if(!group) {
+    std::string groupstr;
+    try {
+      groupstr = (std::string)Pentominos::config()->lookup("group");
+      group = strdup(groupstr.c_str());
+    } catch( ... ) {
+      printf("Group not found in config.\n");
+    }
+
+  }
+
+  if(group) {
+    // Fetch group id
+    int gid = -1;
+    struct group *g = getgrent();
+    while(g) {
+      if(strcmp(g->gr_name, group) == 0) gid = g->gr_gid;
+      g = getgrent();
+    }
+    if(gid == -1) {
+      fprintf(stderr, "Could not find group \"%s\" in /etc/group file.\n", group);
+      return 1;
+    }
+    
+    if(setgid(gid) == -1) {
+      fprintf(stderr, "Could not switch to group %s: %s\n", group, strerror(errno));
+      return 1;
+    }
+  }
+
+  if(!foreground) {
+    daemon(0,0);
+    signal (SIGTERM, SIG_IGN);
+    signal (SIGINT, SIG_IGN);
+  } else {
+    printf("Running in foreground mode.\n");
+  }
+
+  // Create callback to reload conf files.
+  signal (SIGHUP, reload);
+
+  signal(SIGCLD, SIG_IGN);  // Ved SIGCHILD til IGNORE maa wait/waitpid ikke kaldes 
+                            //   (ellers kommer der kernel-brok)
+
+  // Activate the server main loop.
+  server();
+
+  // Clean up
+  if(configfile) free(configfile);
+  if(user) free(user);
+  if(group) free(group);
+
+  return 0;
+}