2005-05-30 12:09:58 +03:00
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diff -Nurb busybox-1.00/include/usage.h busybox-1.00-patched/include/usage.h
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--- busybox-1.00/include/usage.h 2005-05-30 05:34:45.397776704 -0400
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+++ busybox-1.00-patched/include/usage.h 2005-05-30 05:04:29.271869808 -0400
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@@ -2629,6 +2629,7 @@
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"\t-n,\t--now\tExit with failure if lease cannot be immediately negotiated.\n" \
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"\t-p,\t--pidfile=file\tStore process ID of daemon in file\n" \
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"\t-q,\t--quit\tQuit after obtaining lease\n" \
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2005-05-30 22:51:31 +03:00
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+ "\t-R,\t--release\tRelease IP on quit\n" \
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2005-05-30 12:09:58 +03:00
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"\t-r,\t--request=IP\tIP address to request (default: none)\n" \
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"\t-s,\t--script=file\tRun file at dhcp events (default: /usr/share/udhcpc/default.script)\n" \
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"\t-v,\t--version\tDisplay version"
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diff -Nurb busybox-1.00/networking/udhcp/dhcpc.c busybox-1.00-patched/networking/udhcp/dhcpc.c
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--- busybox-1.00/networking/udhcp/dhcpc.c 2004-05-19 04:29:05.000000000 -0400
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+++ busybox-1.00-patched/networking/udhcp/dhcpc.c 2005-05-30 05:00:47.377602864 -0400
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@@ -61,6 +61,7 @@
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abort_if_no_lease: 0,
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foreground: 0,
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quit_after_lease: 0,
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+ release_on_quit: 0,
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background_if_no_lease: 0,
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interface: "eth0",
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pidfile: NULL,
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@@ -87,6 +88,7 @@
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" immediately negotiated.\n"
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" -p, --pidfile=file Store process ID of daemon in file\n"
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" -q, --quit Quit after obtaining lease\n"
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+" -R, --release Release IP on quit\n"
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" -r, --request=IP IP address to request (default: none)\n"
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" -s, --script=file Run file at dhcp events (default:\n"
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" " DEFAULT_SCRIPT ")\n"
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@@ -202,6 +204,7 @@
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{"now", no_argument, 0, 'n'},
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{"pidfile", required_argument, 0, 'p'},
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{"quit", no_argument, 0, 'q'},
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+ {"release", no_argument, 0, 'R'},
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{"request", required_argument, 0, 'r'},
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{"script", required_argument, 0, 's'},
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{"version", no_argument, 0, 'v'},
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2005-05-30 22:51:31 +03:00
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@@ -214,7 +214,7 @@
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/* get options */
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while (1) {
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int option_index = 0;
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- c = getopt_long(argc, argv, "c:fbH:h:i:np:qr:s:v", arg_options, &option_index);
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+ c = getopt_long(argc, argv, "c:fbH:h:i:np:qRr:s:v", arg_options, &option_index);
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if (c == -1) break;
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switch (c) {
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2005-05-30 12:09:58 +03:00
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@@ -251,6 +254,9 @@
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case 'q':
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client_config.quit_after_lease = 1;
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break;
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+ case 'R':
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+ client_config.release_on_quit = 1;
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+ break;
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case 'r':
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requested_ip = inet_addr(optarg);
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break;
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@@ -472,8 +478,11 @@
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state = BOUND;
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change_mode(LISTEN_NONE);
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- if (client_config.quit_after_lease)
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+ if (client_config.quit_after_lease) {
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+ if (client_config.release_on_quit)
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+ perform_release();
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return 0;
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+ }
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if (!client_config.foreground)
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client_background();
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@@ -498,12 +507,13 @@
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case SIGUSR1:
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perform_renew();
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break;
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- case SIGUSR2:
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- perform_release();
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- break;
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case SIGTERM:
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LOG(LOG_INFO, "Received SIGTERM");
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+ if (!client_config.release_on_quit)
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return 0;
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+ case SIGUSR2:
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+ perform_release();
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+ break;
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}
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} else if (retval == -1 && errno == EINTR) {
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/* a signal was caught */
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diff -Nurb busybox-1.00/networking/udhcp/dhcpc.h busybox-1.00-patched/networking/udhcp/dhcpc.h
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--- busybox-1.00/networking/udhcp/dhcpc.h 2004-01-30 18:45:12.000000000 -0500
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+++ busybox-1.00-patched/networking/udhcp/dhcpc.h 2005-05-30 04:53:58.681734080 -0400
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@@ -20,6 +20,7 @@
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struct client_config_t {
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char foreground; /* Do not fork */
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char quit_after_lease; /* Quit after obtaining lease */
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+ char release_on_quit; /* perform release on quit */
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char abort_if_no_lease; /* Abort if no lease */
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char background_if_no_lease; /* Fork to background if no lease */
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char *interface; /* The name of the interface to use */
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