sys-utils/ctrlaltdel.c

   1 /*
   2  * ctrlaltdel.c - Set the function of the Ctrl-Alt-Del combination
   3  * Created 4-Jul-92 by Peter Orbaek <poe@daimi.aau.dk>
   4  * ftp://ftp.daimi.aau.dk/pub/linux/poe/
   5  */
   6
   7 #include <stdio.h>
   8 #include <unistd.h>
   9 #include <string.h>
  10 #include "linux_reboot.h"
  11
  12 int
  13 main(int argc, char *argv[]) {
  14
  15         if(geteuid()) {
  16                 fprintf(stderr,
  17                     "You must be root to set the Ctrl-Alt-Del behaviour.\n");
  18                 exit(1);
  19         }
  20
  21         if(argc == 2 && !strcmp("hard", argv[1])) {
  22                 if(my_reboot(LINUX_REBOOT_CMD_CAD_ON) < 0) {
  23                         perror("ctrlaltdel: reboot");
  24                         exit(1);
  25                 }
  26         } else if(argc == 2 && !strcmp("soft", argv[1])) {
  27                 if(my_reboot(LINUX_REBOOT_CMD_CAD_OFF) < 0) {
  28                         perror("ctrlaltdel: reboot");
  29                         exit(1);
  30                 }
  31         } else {
  32                 fprintf(stderr, "Usage: ctrlaltdel hard|soft\n");
  33                 exit(1);
  34         }
  35         exit(0);
  36 }
  37
  38