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-rw-r--r--client/dhclient.c402
1 files changed, 0 insertions, 402 deletions
diff --git a/client/dhclient.c b/client/dhclient.c
deleted file mode 100644
index ff22faf0..00000000
--- a/client/dhclient.c
+++ /dev/null
@@ -1,402 +0,0 @@
-/* dhcp.c
-
- DHCP Client (really lame DHCP client). */
-
-/*
- * Copyright (c) 1995, 1996 The Internet Software Consortium.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of The Internet Software Consortium nor the names
- * of its contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
- * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE INTERNET SOFTWARE CONSORTIUM OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * This software has been written for the Internet Software Consortium
- * by Ted Lemon <mellon@fugue.com> in cooperation with Vixie
- * Enterprises. To learn more about the Internet Software Consortium,
- * see ``http://www.vix.com/isc''. To learn more about Vixie
- * Enterprises, see ``http://www.vix.com''.
- */
-
-#ifndef lint
-static char copyright[] =
-"$Id: dhclient.c,v 1.19 1996/08/29 09:15:35 mellon Exp $ Copyright (c) 1995, 1996 The Internet Software Consortium. All rights reserved.\n";
-#endif /* not lint */
-
-#include "dhcpd.h"
-
-TIME cur_time;
-TIME default_lease_time = 43200; /* 12 hours... */
-TIME max_lease_time = 86400; /* 24 hours... */
-struct tree_cache *global_options [256];
-
-struct iaddr server_identifier;
-int server_identifier_matched;
-int log_perror = 1;
-
-#ifdef USE_FALLBACK
-struct interface_info fallback_interface;
-#endif
-
-u_int16_t server_port;
-int log_priority;
-
-int lexline, lexchar;
-char *tlname, *token_line;
-
-static void usage PROTO ((void));
-
-int main (argc, argv, envp)
- int argc;
- char **argv, **envp;
-{
- int i;
- struct servent *ent;
- struct interface_info *interface;
-
-#ifdef SYSLOG_4_2
- openlog ("dhclient", LOG_NDELAY);
- log_priority = LOG_DAEMON;
-#else
- openlog ("dhclient", LOG_NDELAY, LOG_DAEMON);
-#endif
-
-#ifndef NO_PUTENV
- /* ensure mktime() calls are processed in UTC */
- putenv("TZ=GMT0");
-#endif /* !NO_PUTENV */
-
-#if !(defined (DEBUG) || defined (SYSLOG_4_2))
- setlogmask (LOG_UPTO (LOG_INFO));
-#endif
-
- for (i = 1; i < argc; i++) {
- if (!strcmp (argv [i], "-p")) {
- if (++i == argc)
- usage ();
- server_port = htons (atoi (argv [i]));
- debug ("binding to user-specified port %d",
- ntohs (server_port));
- } else
- usage ();
- }
-
- /* Default to the DHCP/BOOTP port. */
- if (!server_port)
- {
- ent = getservbyname ("dhcpc", "udp");
- if (!ent)
- server_port = htons (68);
- else
- server_port = ent -> s_port;
- endservent ();
- }
-
- /* Get the current time... */
- GET_TIME (&cur_time);
-
- /* Discover all the network interfaces and initialize them. */
- discover_interfaces ();
-
- for (interface = interfaces; interface; interface = interface -> next)
- send_discover (interface);
-
- /* Receive packets and dispatch them... */
- dispatch ();
-
- /* Not reached */
- return 0;
-}
-
-static void usage ()
-{
- error ("Usage: dhclient [-p <port>]");
-}
-
-void cleanup ()
-{
-}
-
-int commit_leases ()
-{
- return 0;
-}
-
-int write_lease (lease)
- struct lease *lease;
-{
- return 0;
-}
-
-void db_startup ()
-{
-}
-
-void bootp (packet)
- struct packet *packet;
-{
- note ("BOOTREPLY from %s",
- print_hw_addr (packet -> raw -> htype,
- packet -> raw -> hlen,
- packet -> raw -> chaddr));
-}
-
-void dhcp (packet)
- struct packet *packet;
-{
- switch (packet -> packet_type) {
- case DHCPOFFER:
- dhcpoffer (packet);
- break;
-
- case DHCPNAK:
- dhcpnak (packet);
- break;
-
- case DHCPACK:
- dhcpack (packet);
- break;
-
- default:
- break;
- }
-}
-
-void dhcpoffer (packet)
- struct packet *packet;
-{
- note ("DHCPOFFER from %s",
- print_hw_addr (packet -> raw -> htype,
- packet -> raw -> hlen,
- packet -> raw -> chaddr));
-
- dump_packet (packet);
- send_request (packet);
-}
-
-void dhcpack (packet)
- struct packet *packet;
-{
- note ("DHCPACK from %s",
- print_hw_addr (packet -> raw -> htype,
- packet -> raw -> hlen,
- packet -> raw -> chaddr));
- dump_packet (packet);
-}
-
-void dhcpnak (packet)
- struct packet *packet;
-{
- note ("DHCPNAK from %s",
- print_hw_addr (packet -> raw -> htype,
- packet -> raw -> hlen,
- packet -> raw -> chaddr));
-}
-
-static u_int8_t requested_options [] = {
- DHO_DHCP_REQUESTED_ADDRESS,
- DHO_SUBNET_MASK,
- DHO_ROUTERS,
- DHO_DOMAIN_NAME_SERVERS,
- DHO_HOST_NAME,
- DHO_DOMAIN_NAME,
- DHO_BROADCAST_ADDRESS };
-
-void send_discover (interface)
- struct interface_info *interface;
-{
- struct sockaddr_in to;
- int result;
- struct dhcp_packet raw;
- unsigned char discover = DHCPDISCOVER;
- struct packet outgoing;
-
- struct tree_cache *options [256];
- struct tree_cache dhcpdiscover_tree;
- struct tree_cache dhcprqo_tree;
-
- memset (options, 0, sizeof options);
- memset (&outgoing, 0, sizeof outgoing);
- memset (&raw, 0, sizeof raw);
- outgoing.raw = &raw;
-
- /* Set DHCP_MESSAGE_TYPE to DHCPNAK */
- options [DHO_DHCP_MESSAGE_TYPE] = &dhcpdiscover_tree;
- options [DHO_DHCP_MESSAGE_TYPE] -> value = &discover;
- options [DHO_DHCP_MESSAGE_TYPE] -> len = sizeof discover;
- options [DHO_DHCP_MESSAGE_TYPE] -> buf_size = sizeof discover;
- options [DHO_DHCP_MESSAGE_TYPE] -> timeout = 0xFFFFFFFF;
- options [DHO_DHCP_MESSAGE_TYPE] -> tree = (struct tree *)0;
-
- /* Set DHCP_MESSAGE to whatever the message is */
- options [DHO_DHCP_MESSAGE] = &dhcprqo_tree;
- options [DHO_DHCP_MESSAGE] -> value = requested_options;
- options [DHO_DHCP_MESSAGE] -> len = sizeof requested_options;
- options [DHO_DHCP_MESSAGE] -> buf_size = sizeof requested_options;
- options [DHO_DHCP_MESSAGE] -> timeout = 0xFFFFFFFF;
- options [DHO_DHCP_MESSAGE] -> tree = (struct tree *)0;
-
- /* Set up the option buffer... */
- cons_options ((struct packet *)0, &outgoing, options, 0);
-
- memset (&raw.ciaddr, 0, sizeof raw.ciaddr);
- memset (&raw.siaddr, 0, sizeof raw.siaddr);
- memset (&raw.giaddr, 0, sizeof raw.giaddr);
- memcpy (raw.chaddr,
- interface -> hw_address.haddr, interface -> hw_address.hlen);
- raw.hlen = interface -> hw_address.hlen;
- raw.htype = interface -> hw_address.htype;
-
- raw.xid = random ();
- raw.secs = 1;
- raw.flags = htons (BOOTP_BROADCAST);
- raw.hops = 0;
- raw.op = BOOTREQUEST;
-
- /* Report what we're sending... */
- note ("DHCPDISCOVER to %s", interface -> name);
-
-#ifdef DEBUG_PACKET
- dump_packet (&outgoing);
- dump_raw ((unsigned char *)&raw, outgoing.packet_length);
-#endif
-
- /* Set up the common stuff... */
- to.sin_family = AF_INET;
-#ifdef HAVE_SA_LEN
- to.sin_len = sizeof to;
-#endif
- memset (to.sin_zero, 0, sizeof to.sin_zero);
-
- to.sin_addr.s_addr = htonl (INADDR_BROADCAST);
- to.sin_port = htons (ntohs (server_port) - 1); /* XXX */
-
- errno = 0;
- result = send_packet (interface, (struct packet *)0,
- &raw, outgoing.packet_length,
- raw.siaddr, &to, (struct hardware *)0);
- if (result < 0)
- warn ("send_packet: %m");
-}
-
-void send_request (packet)
- struct packet *packet;
-{
- struct sockaddr_in to;
- int result;
- struct dhcp_packet raw;
- unsigned char request = DHCPREQUEST;
- struct packet outgoing;
-
- struct tree_cache *options [256];
- struct tree_cache dhcprequest_tree;
- struct tree_cache dhcprqo_tree;
- struct tree_cache dhcprqa_tree;
- struct tree_cache dhcpsid_tree;
-
- memset (options, 0, sizeof options);
- memset (&outgoing, 0, sizeof outgoing);
- memset (&raw, 0, sizeof raw);
- outgoing.raw = &raw;
-
- /* Set DHCP_MESSAGE_TYPE to DHCPNAK */
- options [DHO_DHCP_MESSAGE_TYPE] = &dhcprequest_tree;
- options [DHO_DHCP_MESSAGE_TYPE] -> value = &request;
- options [DHO_DHCP_MESSAGE_TYPE] -> len = sizeof request;
- options [DHO_DHCP_MESSAGE_TYPE] -> buf_size = sizeof request;
- options [DHO_DHCP_MESSAGE_TYPE] -> timeout = 0xFFFFFFFF;
- options [DHO_DHCP_MESSAGE_TYPE] -> tree = (struct tree *)0;
-
- /* Set DHCP_MESSAGE to whatever the message is */
- options [DHO_DHCP_MESSAGE] = &dhcprqo_tree;
- options [DHO_DHCP_MESSAGE] -> value = requested_options;
- options [DHO_DHCP_MESSAGE] -> len = sizeof requested_options;
- options [DHO_DHCP_MESSAGE] -> buf_size = sizeof requested_options;
- options [DHO_DHCP_MESSAGE] -> timeout = 0xFFFFFFFF;
- options [DHO_DHCP_MESSAGE] -> tree = (struct tree *)0;
-
- /* Request the address we were offered... */
- options [DHO_DHCP_REQUESTED_ADDRESS] = &dhcprqa_tree;
- options [DHO_DHCP_REQUESTED_ADDRESS] -> value =
- (unsigned char *)&packet -> raw -> yiaddr;
- options [DHO_DHCP_REQUESTED_ADDRESS] -> len = 4;
- options [DHO_DHCP_REQUESTED_ADDRESS] -> buf_size = 4;
- options [DHO_DHCP_REQUESTED_ADDRESS] -> timeout = 0xFFFFFFFF;
- options [DHO_DHCP_REQUESTED_ADDRESS] -> tree = (struct tree *)0;
-
- /* Send back the server identifier... */
- options [DHO_DHCP_SERVER_IDENTIFIER] = &dhcpsid_tree;
- options [DHO_DHCP_SERVER_IDENTIFIER] -> value =
- packet -> options [DHO_DHCP_SERVER_IDENTIFIER].data;
- options [DHO_DHCP_SERVER_IDENTIFIER] -> len =
- packet -> options [DHO_DHCP_SERVER_IDENTIFIER].len;
- options [DHO_DHCP_SERVER_IDENTIFIER] -> buf_size =
- packet -> options [DHO_DHCP_SERVER_IDENTIFIER].len;
- options [DHO_DHCP_SERVER_IDENTIFIER] -> timeout = 0xFFFFFFFF;
- options [DHO_DHCP_SERVER_IDENTIFIER] -> tree = (struct tree *)0;
-
- /* Set up the option buffer... */
- cons_options ((struct packet *)0, &outgoing, options, 0);
-
- memset (&raw.ciaddr, 0, sizeof raw.ciaddr);
- raw.siaddr = packet -> raw -> siaddr;
- raw.giaddr = packet -> raw -> giaddr;
- memcpy (raw.chaddr,
- packet -> interface -> hw_address.haddr,
- packet -> interface -> hw_address.hlen);
- raw.hlen = packet -> interface -> hw_address.hlen;
- raw.htype = packet -> interface -> hw_address.htype;
-
- raw.xid = packet -> raw -> xid;
- raw.secs = packet -> raw -> secs;
- raw.flags = htons (BOOTP_BROADCAST);
- raw.hops = packet -> raw -> hops;
- raw.op = BOOTREQUEST;
-
- /* Report what we're sending... */
- note ("DHCPREQUEST to %s", packet -> interface -> name);
-
-#ifdef DEBUG_PACKET
- dump_packet (&outgoing);
- dump_raw ((unsigned char *)&raw, outgoing.packet_length);
-#endif
-
- /* Set up the common stuff... */
- to.sin_family = AF_INET;
-#ifdef HAVE_SA_LEN
- to.sin_len = sizeof to;
-#endif
- memset (to.sin_zero, 0, sizeof to.sin_zero);
-
- to.sin_addr.s_addr = htonl (INADDR_BROADCAST);
- to.sin_port = htons (ntohs (server_port) - 1); /* XXX */
-
- errno = 0;
- result = send_packet (packet -> interface, (struct packet *)0,
- &raw, outgoing.packet_length,
- raw.siaddr, &to, (struct hardware *)0);
- if (result < 0)
- warn ("send_packet: %m");
-}
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