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authorDenis Vlasenko2006-09-26 17:41:00 +0000
committerDenis Vlasenko2006-09-26 17:41:00 +0000
commite175ff252f9abb7267000571207c9d612728e1b9 (patch)
treebc6843cbc8ca3d0d2257a9e2349c03358b70b85a /networking/udhcp/dhcpc.c
parent22f6dcb47c32909ca0a3d720b11df5ea86b1e76c (diff)
downloadbusybox-e175ff252f9abb7267000571207c9d612728e1b9.zip
busybox-e175ff252f9abb7267000571207c9d612728e1b9.tar.gz
several fixes from openWRT project
Diffstat (limited to 'networking/udhcp/dhcpc.c')
-rw-r--r--networking/udhcp/dhcpc.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/networking/udhcp/dhcpc.c b/networking/udhcp/dhcpc.c
index ff4d501..499183f 100644
--- a/networking/udhcp/dhcpc.c
+++ b/networking/udhcp/dhcpc.c
@@ -53,6 +53,7 @@ struct client_config_t client_config = {
.abort_if_no_lease = 0,
.foreground = 0,
.quit_after_lease = 0,
+ .release_on_quit = 0,
.background_if_no_lease = 0,
.interface = "eth0",
.pidfile = NULL,
@@ -169,6 +170,7 @@ int udhcpc_main(int argc, char *argv[])
{"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'},
@@ -180,7 +182,7 @@ int udhcpc_main(int argc, char *argv[])
/* 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) {
@@ -250,6 +252,9 @@ int udhcpc_main(int argc, char *argv[])
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;
@@ -495,8 +500,11 @@ int udhcpc_main(int argc, char *argv[])
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();
@@ -526,6 +534,8 @@ int udhcpc_main(int argc, char *argv[])
break;
case SIGTERM:
bb_info_msg("Received SIGTERM");
+ if (client_config.release_on_quit)
+ perform_release();
return 0;
}
} else if (retval == -1 && errno == EINTR) {