diff options
| -rw-r--r-- | daemon/mutatord.c | 60 |
1 files changed, 50 insertions, 10 deletions
diff --git a/daemon/mutatord.c b/daemon/mutatord.c index 400d695..980207b 100644 --- a/daemon/mutatord.c +++ b/daemon/mutatord.c @@ -22,62 +22,102 @@ 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 <errno.h> +#include <fcntl.h> +#include <signal.h> #include <stdio.h> #include <stdlib.h> -#include <fcntl.h> -#include <errno.h> -#include <unistd.h> -#include <syslog.h> #include <string.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <syslog.h> +#include <time.h> +#include <unistd.h> /**********************************************************************************************************************/ +void time_n_date(FILE* infile) +{ + time_t tnd = time(NULL); + fprintf(infile, "%s", ctime(&tnd)); +} + +void signal_callback_handler(int signum) +{ + exit(signum); +} + int main(void) { + //signal(SIGINT, signal_callback_handler); + /*getting a process ID*/ pid_t pid; /*getting a session ID*/ pid_t sid; + FILE *mut_log; + mut_log = fopen("mutatord-log", "w"); + + /*printing out time n date*/ + fprintf(mut_log, "%s", "daemon started on "); + time_n_date(mut_log); + /*fork off the parent process*/ pid = fork(); if (pid < 0) { + //fprintf(mut_log, "%s", "failed to get a pid.\n"); exit(EXIT_FAILURE); } if (pid > 0) { + fprintf(mut_log, "%s%d%s", "successfully got a pid:", pid, "\n"); exit(EXIT_SUCCESS); } umask(0); - + fprintf(mut_log, "%s", "set umask to 0.\n"); + /*create a new session ID for the child process*/ sid = setsid(); if (sid < 0) { + fprintf(mut_log, "%s", "failed to get an sid.\n"); exit(EXIT_FAILURE); } + else + { + fprintf(mut_log, "%s%d%s", "got an sid:", sid, "\n"); + } /*change the current working directory*/ - if (chdir("/") < 0) + if ((chdir("/")) < 0) { + fprintf(mut_log, "%s", "failed to change to root dir.\n"); exit(EXIT_FAILURE); } + else + { + fprintf(mut_log, "%s", "changed to root dir.\n"); + } /*close the standard file descriptors*/ - close(STDIN_FILENO) ; + close(STDIN_FILENO); close(STDOUT_FILENO); close(STDERR_FILENO); + fprintf(mut_log, "%s", "closed standard file descriptors..\n"); /*deamon loop*/ while(1) { - sleep(30); + fprintf(mut_log, "%s", "mutatord is running fine.\n"); + sleep(1); } + fclose(mut_log); + exit(EXIT_SUCCESS); + } /*last line intentionally left blank*/ |