diff options
Diffstat (limited to 'networking/udhcp')
| -rw-r--r-- | networking/udhcp/dhcprelay.c | 31 |
1 files changed, 16 insertions, 15 deletions
diff --git a/networking/udhcp/dhcprelay.c b/networking/udhcp/dhcprelay.c index 97bdcb084..e3a816886 100644 --- a/networking/udhcp/dhcprelay.c +++ b/networking/udhcp/dhcprelay.c @@ -3,10 +3,10 @@ * * Licensed under GPL v2, see file LICENSE in this tarball for details. * - * DHCP Relay for 'DHCPv4 Configuration of IPSec Tunnel Mode' support - * Copyright (C) 2002 Mario Strasser <mast@gmx.net>, + * DHCP Relay for 'DHCPv4 Configuration of IPSec Tunnel Mode' support + * Copyright (C) 2002 Mario Strasser <mast@gmx.net>, * Zuercher Hochschule Winterthur, - * Netbeat AG + * Netbeat AG * Upstream has GPL v2 or later */ @@ -21,7 +21,7 @@ /* This list holds information about clients. The xid_* functions manipulate this list. */ -struct xid_item { +static struct xid_item { u_int32_t xid; struct sockaddr_in ip; int client; @@ -33,10 +33,10 @@ struct xid_item { static struct xid_item * xid_add(u_int32_t xid, struct sockaddr_in *ip, int client) { struct xid_item *item; - + /* create new xid entry */ item = xmalloc(sizeof(struct xid_item)); - + /* add xid entry */ item->ip = *ip; item->xid = xid; @@ -133,15 +133,16 @@ static void dhcprelay_signal_handler(int sig) static char ** get_client_devices(char *dev_list, int *client_number) { char *s, *list, **client_dev; - int i, cn=1; + int i, cn; /* copy list */ list = xstrdup(dev_list); if (list == NULL) return NULL; /* get number of items */ - for (s = dev_list; *s; s++) if (*s == ',') - cn++; + for (s = dev_list, cn = 1; *s; s++) + if (*s == ',') + cn++; client_dev = xzalloc(cn * sizeof(*client_dev)); @@ -166,16 +167,16 @@ static int init_sockets(char **client, int num_clients, { int i; - // talk to real server on bootps + /* talk to real server on bootps */ fds[0] = listen_socket(htonl(INADDR_ANY), 67, server); if (fds[0] < 0) return -1; *max_socket = fds[0]; - - // array starts at 1 since server is 0 + + /* array starts at 1 since server is 0 */ num_clients++; for (i=1; i < num_clients; i++) { - // listen for clients on bootps + /* listen for clients on bootps */ fds[i] = listen_socket(htonl(INADDR_ANY), 67, client[i-1]); if (fds[i] < 0) return -1; if (fds[i] > *max_socket) *max_socket = fds[i]; @@ -274,7 +275,7 @@ static void dhcprelay_loop(int *fds, int num_sockets, int max_socket, char **cli if (FD_ISSET(fds[0], &rfds)) { packlen = udhcp_get_packet(&dhcp_msg, fds[0]); if (packlen > 0) { - pass_back(&dhcp_msg, packlen, fds); + pass_back(&dhcp_msg, packlen, fds); } } for (i = 1; i < num_sockets; i++) { @@ -318,7 +319,7 @@ int dhcprelay_main(int argc, char **argv) signal(SIGTERM, dhcprelay_signal_handler); signal(SIGQUIT, dhcprelay_signal_handler); signal(SIGINT, dhcprelay_signal_handler); - + num_sockets = init_sockets(clients, num_sockets, argv[2], fds, &max_socket); if (num_sockets == -1) bb_perror_msg_and_die("init_sockets() failed"); |