arpd-uid.patch

   1 --- ./arpd.c.orig       Tue Jul 17 18:46:39 2001
   2 +++ ./arpd.c    Fri Jul 27 20:32:06 2001
   3 @@ -74,11 +74,15 @@
   4
   5         openlog ("arpd", LOG_PID | LOG_CONS, LOG_DAEMON);
   6
   7 -       syslog(LOG_NOTICE, "Initializing, version %s\n", ARPD_VERSION);
   8 +       syslog(LOG_NOTICE, "Initializing, PLD-modified version %s\n", ARPD_VERSION);
   9
  10 -       fd = open("/dev/arpd", O_RDWR);
  11 +       fd = open("/var/lib/arpd/arpd", O_RDWR);
  12 +/* You need to have user UID=40 in your system. There is needed to make checking
  13 + * that "little" thing. */
  14 +       setuid(40);
  15 +
  16         if (fd < 0) {
  17 -               syslog(LOG_CRIT, "cannot open /dev/arpd: %m");
  18 +               syslog(LOG_CRIT, "cannot open /var/lib/arpd/arpd: %m");
  19                 exit(-1);
  20         }
  21
  22 @@ -89,12 +93,12 @@
  23                 if (status < 0) {
  24                         if (errno == EINTR)
  25                                 continue;
  26 -                       syslog(LOG_CRIT, "cannot read from /dev/arpd: %m");
  27 +                       syslog(LOG_CRIT, "cannot read from /var/lib/arpd/arpd: %m");
  28                         exit(-1);
  29                 }
  30                 if (status != sizeof(req))
  31                 {
  32 -                       syslog(LOG_CRIT, "read from /dev/arpd returns %d",
  33 +                       syslog(LOG_CRIT, "read from /var/lib/arpd/arpd returns %d",
  34                                  status);
  35                         exit(-1);
  36                 }
  37 @@ -115,12 +119,12 @@
  38                         status = write(fd, rep, sizeof(*rep));
  39                         if (status < 0) {
  40                                  syslog(LOG_CRIT,
  41 -                                       "cannot write to /dev/arpd: %m");
  42 +                                       "cannot write to /var/lib/arpd/arpd: %m");
  43                                 exit(-1);
  44                         }
  45                         if (status != sizeof(*rep)) {
  46                                 syslog(LOG_CRIT,
  47 -                                       "write to /dev/arpd returns %d",
  48 +                                       "write to /var/lib/arpd/arpd returns %d",
  49                                          status);
  50                                 exit(-1);
  51                         }