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

   1 diff -Nurb busybox-1.00/include/usage.h busybox-1.00-patched/include/usage.h
   2 --- busybox-1.00/include/usage.h        2005-05-30 05:34:45.397776704 -0400
   3 +++ busybox-1.00-patched/include/usage.h        2005-05-30 05:04:29.271869808 -0400
   4 @@ -2629,6 +2629,7 @@
   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-v,\t--version\tDisplay version"
  12 diff -Nurb busybox-1.00/networking/udhcp/dhcpc.c busybox-1.00-patched/networking/udhcp/dhcpc.c
  13 --- busybox-1.00/networking/udhcp/dhcpc.c       2004-05-19 04:29:05.000000000 -0400
  14 +++ busybox-1.00-patched/networking/udhcp/dhcpc.c       2005-05-30 05:00:47.377602864 -0400
  15 @@ -61,6 +61,7 @@
  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 @@ -87,6 +88,7 @@
  24  "                                  immediately negotiated.\n"
  25  "  -p, --pidfile=file              Store process ID of daemon in file\n"
  26  "  -q, --quit                      Quit after obtaining lease\n"
  27 +"  -R, --release                   Release IP on quit\n"
  28  "  -r, --request=IP                IP address to request (default: none)\n"
  29  "  -s, --script=file               Run file at dhcp events (default:\n"
  30  "                                  " DEFAULT_SCRIPT ")\n"
  31 @@ -202,6 +204,7 @@
  32                 {"now",         no_argument,            0, 'n'},
  33                 {"pidfile",     required_argument,      0, 'p'},
  34                 {"quit",        no_argument,            0, 'q'},
  35 +               {"release",     no_argument,            0, 'R'},
  36                 {"request",     required_argument,      0, 'r'},
  37                 {"script",      required_argument,      0, 's'},
  38                 {"version",     no_argument,            0, 'v'},
  39 @@ -251,6 +254,9 @@
  40                 case 'q':
  41                         client_config.quit_after_lease = 1;
  42                         break;
  43 +               case 'R':
  44 +                       client_config.release_on_quit = 1;
  45 +                       break;
  46                 case 'r':
  47                         requested_ip = inet_addr(optarg);
  48                         break;
  49 @@ -472,8 +478,11 @@
  50
  51                                         state = BOUND;
  52                                         change_mode(LISTEN_NONE);
  53 -                                       if (client_config.quit_after_lease)
  54 +                                       if (client_config.quit_after_lease) {
  55 +                                               if (client_config.release_on_quit)
  56 +                                                       perform_release();
  57                                                 return 0;
  58 +                                       }
  59                                         if (!client_config.foreground)
  60                                                 client_background();
  61
  62 @@ -498,12 +507,13 @@
  63                         case SIGUSR1:
  64                                 perform_renew();
  65                                 break;
  66 -                       case SIGUSR2:
  67 -                               perform_release();
  68 -                               break;
  69                         case SIGTERM:
  70                                 LOG(LOG_INFO, "Received SIGTERM");
  71 +                               if (!client_config.release_on_quit)
  72                                 return 0;
  73 +                       case SIGUSR2:
  74 +                               perform_release();
  75 +                               break;
  76                         }
  77                 } else if (retval == -1 && errno == EINTR) {
  78                         /* a signal was caught */
  79 diff -Nurb busybox-1.00/networking/udhcp/dhcpc.h busybox-1.00-patched/networking/udhcp/dhcpc.h
  80 --- busybox-1.00/networking/udhcp/dhcpc.h       2004-01-30 18:45:12.000000000 -0500
  81 +++ busybox-1.00-patched/networking/udhcp/dhcpc.h       2005-05-30 04:53:58.681734080 -0400
  82 @@ -20,6 +20,7 @@
  83  struct client_config_t {
  84         char foreground;                /* Do not fork */
  85         char quit_after_lease;          /* Quit after obtaining lease */
  86 +       char release_on_quit;           /* perform release on quit */
  87         char abort_if_no_lease;         /* Abort if no lease */
  88         char background_if_no_lease;    /* Fork to background if no lease */
  89         char *interface;                /* The name of the interface to use */