diff options
Diffstat (limited to 'networking/udhcp/dhcpc.c')
| -rw-r--r-- | networking/udhcp/dhcpc.c | 14 |
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) { |