src/misc-progs/setdate.c

   1 /* Ipcop helper program - setdate.c
   2  *
   3  * Sets the date and time
   4  *
   5  * (c) Darren Critchley 2003
   6  *
   7  * $Id: setdate.c,v 1.2 2003/12/11 11:25:54 riddles Exp $
   8  *
   9  */
  10
  11 #include <stdio.h>
  12 #include <string.h>
  13 #include <unistd.h>
  14 #include <stdlib.h>
  15 #include <sys/types.h>
  16 #include "setuid.h"
  17
  18 int main(int argc, char *argv[])
  19 {
  20         char command[STRING_SIZE];
  21         int a,b,c;
  22
  23         if (!(initsetuid()))
  24                 exit(1);
  25
  26         if (argc < 3)
  27         {
  28                 fprintf(stderr, "Missing arg\n");
  29                 exit(1);
  30         }
  31
  32         if (! (strlen(argv[1]) < 11 && sscanf(argv[1], "%d-%d-%d", &a, &b, &c) == 3)
  33            || (strspn(argv[1], NUMBERS "-" ) != strlen(argv[1])))
  34         {
  35                 fprintf(stderr, "Bad arg\n");
  36                 exit(1);
  37         }
  38
  39         if (! (strlen(argv[2]) < 6 && sscanf(argv[2], "%d:%d", &a, &b) == 2)
  40            || (strspn(argv[2], NUMBERS ":" ) != strlen(argv[2])))
  41         {
  42                 fprintf(stderr, "Bad arg\n");
  43                 exit(1);
  44         }
  45
  46         memset(command, 0, STRING_SIZE);
  47         snprintf(command, STRING_SIZE - 1, "/bin/date -s '%s %s' >/dev/null", argv[1], argv[2]);
  48         fprintf(stderr, "Setting Date: %s %s\n", argv[1], argv[2]);
  49         safe_system(command);
  50
  51         return 0;
  52 }