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

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