daemon sourcefile

1 files changed, 83 insertions, 0 deletions

diff --git a/daemon/mutatord.c b/daemon/mutatord.c
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+
+/***************************************************Project Mutator****************************************************/
+/*first line intentionally left blank.*/
+/*the source code for the static checks(Misra-C,...)*/
+/*Copyright (C) 2017 Farzad Sadeghi
+This source file contains mutator's daemon.
+
+This program 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.
+
+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 received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.*/
+/**********************************************************************************************************************/
+/*inclusion directives*/
+#include "mutatord.h"
+/*library headers*/
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <unistd.h>
+#include <syslog.h>
+#include <string.h>
+/**********************************************************************************************************************/
+int main(void)
+{
+  /*getting a process ID*/
+  pid_t pid;
+  /*getting a session ID*/
+  pid_t sid;
+
+  /*fork off the parent process*/
+  pid = fork();
+
+  if (pid < 0)
+  {
+    exit(EXIT_FAILURE);
+  }
+
+  if (pid > 0)
+  {
+    exit(EXIT_SUCCESS);
+  }
+
+  umask(0);
+
+  /*create a new session ID for the child process*/
+  sid = setsid();
+  if (sid < 0)
+  {
+    exit(EXIT_FAILURE);
+  }
+
+  /*change the current working directory*/
+  if (chdir("/") < 0)
+  {
+    exit(EXIT_FAILURE);
+  }
+
+  /*close the standard file descriptors*/
+  close(STDIN_FILENO) ;
+  close(STDOUT_FILENO);
+  close(STDERR_FILENO);
+
+  /*deamon loop*/
+  while(1)
+  {
+    sleep(30);
+  }
+
+}
+/*last line intentionally left blank*/
+