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

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diff -ruN busybox-1.2.0-old/include/usage.h busybox-1.2.0-new/include/usage.h
--- busybox-1.2.0-old/include/usage.h 2006-07-31 10:47:56.000000000 +0200
+++ busybox-1.2.0-new/include/usage.h 2006-07-31 11:08:49.000000000 +0200
@@ -3190,6 +3190,7 @@
"\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-t,\t--retries=NUM\tSend up to NUM request packets\n"\
diff -ruN busybox-1.2.0-old/networking/udhcp/dhcpc.c busybox-1.2.0-new/networking/udhcp/dhcpc.c
--- busybox-1.2.0-old/networking/udhcp/dhcpc.c 2006-07-01 00:42:02.000000000 +0200
+++ busybox-1.2.0-new/networking/udhcp/dhcpc.c 2006-07-31 11:08:49.000000000 +0200
@@ -47,6 +47,7 @@
.abort_if_no_lease = 0,
.foreground = 0,
.quit_after_lease = 0,
+ .release_on_quit = 0,
.background_if_no_lease = 0,
.interface = "eth0",
.pidfile = NULL,
@@ -163,6 +164,7 @@
{"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'},
{"timeout", required_argument, 0, 'T'},
@@ -174,7 +176,7 @@
/* get options */
while (1) {
int option_index = 0;
- c = getopt_long(argc, argv, "c:CV:fbH:h:F:i:np:qr:s:T:t:v", arg_options, &option_index);
+ c = getopt_long(argc, argv, "c:CV:fbH:h:F:i:np:qRr:s:T:t:v", arg_options, &option_index);
if (c == -1) break;
switch (c) {
@@ -244,6 +246,9 @@
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;
@@ -488,8 +493,11 @@
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();
@@ -514,12 +522,13 @@
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 -ruN busybox-1.2.0-old/networking/udhcp/dhcpc.h busybox-1.2.0-new/networking/udhcp/dhcpc.h
--- busybox-1.2.0-old/networking/udhcp/dhcpc.h 2006-07-01 00:42:02.000000000 +0200
+++ busybox-1.2.0-new/networking/udhcp/dhcpc.h 2006-07-31 11:08:49.000000000 +0200
@@ -18,6 +18,7 @@
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 */