package/busybox/patches/150-udhcp-release.patch

   1 diff -ruN busybox-1.2.0-old/include/usage.h busybox-1.2.0-new/include/usage.h
   2 --- busybox-1.2.0-old/include/usage.h   2006-07-31 10:47:56.000000000 +0200
   3 +++ busybox-1.2.0-new/include/usage.h   2006-07-31 11:08:49.000000000 +0200
   4 @@ -3190,6 +3190,7 @@
   5         "\t-n,\t--now\tExit with failure if lease cannot be immediately negotiated\n" \
   6         "\t-p,\t--pidfile=file\tStore process ID of daemon in file\n" \
   7         "\t-q,\t--quit\tQuit after obtaining lease\n" \
   8 +       "\t-R,\t--release\tRelease IP on quit\n" \
   9         "\t-r,\t--request=IP\tIP address to request (default: none)\n" \
  10         "\t-s,\t--script=file\tRun file at dhcp events (default: /usr/share/udhcpc/default.script)\n" \
  11         "\t-t,\t--retries=NUM\tSend up to NUM request packets\n"\
  12 diff -ruN busybox-1.2.0-old/networking/udhcp/dhcpc.c busybox-1.2.0-new/networking/udhcp/dhcpc.c
  13 --- busybox-1.2.0-old/networking/udhcp/dhcpc.c  2006-07-01 00:42:02.000000000 +0200
  14 +++ busybox-1.2.0-new/networking/udhcp/dhcpc.c  2006-07-31 11:08:49.000000000 +0200
  15 @@ -47,6 +47,7 @@
  16         .abort_if_no_lease = 0,
  17         .foreground = 0,
  18         .quit_after_lease = 0,
  19 +       .release_on_quit = 0,
  20         .background_if_no_lease = 0,
  21         .interface = "eth0",
  22         .pidfile = NULL,
  23 @@ -163,6 +164,7 @@
  24                 {"now",         no_argument,            0, 'n'},
  25                 {"pidfile",     required_argument,      0, 'p'},
  26                 {"quit",        no_argument,            0, 'q'},
  27 +               {"release",     no_argument,            0, 'R'},
  28                 {"request",     required_argument,      0, 'r'},
  29                 {"script",      required_argument,      0, 's'},
  30                 {"timeout",     required_argument,      0, 'T'},
  31 @@ -174,7 +176,7 @@
  32         /* get options */
  33         while (1) {
  34                 int option_index = 0;
  35 -               c = getopt_long(argc, argv, "c:CV:fbH:h:F:i:np:qr:s:T:t:v", arg_options, &option_index);
  36 +               c = getopt_long(argc, argv, "c:CV:fbH:h:F:i:np:qRr:s:T:t:v", arg_options, &option_index);
  37                 if (c == -1) break;
  38
  39                 switch (c) {
  40 @@ -244,6 +246,9 @@
  41                 case 'q':
  42                         client_config.quit_after_lease = 1;
  43                         break;
  44 +               case 'R':
  45 +                       client_config.release_on_quit = 1;
  46 +                       break;
  47                 case 'r':
  48                         requested_ip = inet_addr(optarg);
  49                         break;
  50 @@ -488,8 +493,11 @@
  51
  52                                         state = BOUND;
  53                                         change_mode(LISTEN_NONE);
  54 -                                       if (client_config.quit_after_lease)
  55 +                                       if (client_config.quit_after_lease) {
  56 +                                               if (client_config.release_on_quit)
  57 +                                                       perform_release();
  58                                                 return 0;
  59 +                                       }
  60                                         if (!client_config.foreground)
  61                                                 client_background();
  62
  63 @@ -514,12 +522,13 @@
  64                         case SIGUSR1:
  65                                 perform_renew();
  66                                 break;
  67 -                       case SIGUSR2:
  68 -                               perform_release();
  69 -                               break;
  70                         case SIGTERM:
  71                                 LOG(LOG_INFO, "Received SIGTERM");
  72 +                               if (!client_config.release_on_quit)
  73                                 return 0;
  74 +                       case SIGUSR2:
  75 +                               perform_release();
  76 +                               break;
  77                         }
  78                 } else if (retval == -1 && errno == EINTR) {
  79                         /* a signal was caught */
  80 diff -ruN busybox-1.2.0-old/networking/udhcp/dhcpc.h busybox-1.2.0-new/networking/udhcp/dhcpc.h
  81 --- busybox-1.2.0-old/networking/udhcp/dhcpc.h  2006-07-01 00:42:02.000000000 +0200
  82 +++ busybox-1.2.0-new/networking/udhcp/dhcpc.h  2006-07-31 11:08:49.000000000 +0200
  83 @@ -18,6 +18,7 @@
  84  struct client_config_t {
  85         char foreground;                /* Do not fork */
  86         char quit_after_lease;          /* Quit after obtaining lease */
  87 +       char release_on_quit;           /* perform release on quit */
  88         char abort_if_no_lease;         /* Abort if no lease */
  89         char background_if_no_lease;    /* Fork to background if no lease */
  90         char *interface;                /* The name of the interface to use */