Remove bootpgw

2 files changed, 0 insertions, 687 deletions

diff --git a/libexec/bootpgw/Makefile b/libexec/bootpgw/Makefile
deleted file mode 100644
index a155e0e..0000000
--- a/libexec/bootpgw/Makefile
+++ /dev/null
@@ -1,12 +0,0 @@
-# Makefile
-# $Id$
-
-PROG=	bootpgw
-NOMAN=  true
-SRCS=	bootpgw.c getif.c hwaddr.c report.c rtmsg.c
-
-SRCDIR=	${.CURDIR}/../bootpd
-CFLAGS+=-I${SRCDIR}
-.PATH:	${SRCDIR}
-
-.include <bsd.prog.mk>
diff --git a/libexec/bootpgw/bootpgw.c b/libexec/bootpgw/bootpgw.c
deleted file mode 100644
index 4e7538b..0000000
--- a/libexec/bootpgw/bootpgw.c
+++ /dev/null
@@ -1,675 +0,0 @@
-/*
- * bootpgw.c - BOOTP GateWay
- * This program forwards BOOTP Request packets to a BOOTP server.
- */
-
-/************************************************************************
-          Copyright 1988, 1991 by Carnegie Mellon University
-
-                          All Rights Reserved
-
-Permission to use, copy, modify, and distribute this software and its
-documentation for any purpose and without fee is hereby granted, provided
-that the above copyright notice appear in all copies and that both that
-copyright notice and this permission notice appear in supporting
-documentation, and that the name of Carnegie Mellon University not be used
-in advertising or publicity pertaining to distribution of the software
-without specific, written prior permission.
-
-CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
-SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
-IN NO EVENT SHALL CMU BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
-DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
-PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
-ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
-SOFTWARE.
-************************************************************************/
-
-#ifndef lint
-static char rcsid[] = "$Id: bootpgw.c,v 1.1.1.1 1994/09/10 14:44:54 csgr Exp $";
-#endif
-
-/*
- * BOOTPGW is typically used to forward BOOTP client requests from
- * one subnet to a BOOTP server on a different subnet.
- */
-
-#include <sys/types.h>
-#include <sys/param.h>
-#include <sys/socket.h>
-#include <sys/ioctl.h>
-#include <sys/file.h>
-#include <sys/time.h>
-#include <sys/stat.h>
-
-#include <net/if.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>			/* inet_ntoa */
-
-#ifndef	NO_UNISTD
-#include <unistd.h>
-#endif
-#include <stdlib.h>
-#include <signal.h>
-#include <stdio.h>
-#include <string.h>
-#include <errno.h>
-#include <ctype.h>
-#include <netdb.h>
-#include <syslog.h>
-#include <assert.h>
-
-#ifdef	NO_SETSID
-# include <fcntl.h>		/* for O_RDONLY, etc */
-#endif
-
-#ifndef	USE_BFUNCS
-# include <memory.h>
-/* Yes, memcpy is OK here (no overlapped copies). */
-# define bcopy(a,b,c)    memcpy(b,a,c)
-# define bzero(p,l)      memset(p,0,l)
-# define bcmp(a,b,c)     memcmp(a,b,c)
-#endif
-
-#include "bootp.h"
-#include "getif.h"
-#include "hwaddr.h"
-#include "report.h"
-#include "patchlevel.h"
-
-/* Local definitions: */
-#define MAX_MSG_SIZE			(3*512)	/* Maximum packet size */
-#define TRUE 1
-#define FALSE 0
-#define get_network_errmsg get_errmsg
-
-
-
-/*
- * Externals, forward declarations, and global variables
- */
-
-#ifdef	__STDC__
-#define P(args) args
-#else
-#define P(args) ()
-#endif
-
-static void usage P((void));
-static void handle_reply P((void));
-static void handle_request P((void));
-
-#undef	P
-
-/*
- * IP port numbers for client and server obtained from /etc/services
- */
-
-u_short bootps_port, bootpc_port;
-
-
-/*
- * Internet socket and interface config structures
- */
-
-struct sockaddr_in bind_addr;	/* Listening */
-struct sockaddr_in recv_addr;	/* Packet source */
-struct sockaddr_in send_addr;	/*  destination */
-
-
-/*
- * option defaults
- */
-int debug = 0;					/* Debugging flag (level) */
-struct timeval actualtimeout =
-{								/* fifteen minutes */
-	15 * 60L,					/* tv_sec */
-	0							/* tv_usec */
-};
-u_int maxhops = 4;				/* Number of hops allowed for requests. */
-u_int minwait = 3;				/* Number of seconds client must wait before
-						   its bootrequest packets are forwarded. */
-
-/*
- * General
- */
-
-int s;							/* Socket file descriptor */
-char *pktbuf;					/* Receive packet buffer */
-int pktlen;
-char *progname;
-char *servername;
-int32 server_ipa;				/* Real server IP address, network order. */
-
-char myhostname[64];
-struct in_addr my_ip_addr;
-
-
-
-
-/*
- * Initialization such as command-line processing is done and then the
- * main server loop is started.
- */
-
-void
-main(argc, argv)
-	int argc;
-	char **argv;
-{
-	struct timeval *timeout;
-	struct bootp *bp;
-	struct servent *servp;
-	struct hostent *hep;
-	char *stmp;
-	int n, ba_len, ra_len;
-	int nfound, readfds;
-	int standalone;
-
-	progname = strrchr(argv[0], '/');
-	if (progname) progname++;
-	else progname = argv[0];
-
-	/*
-	 * Initialize logging.
-	 */
-	report_init(0);				/* uses progname */
-
-	/*
-	 * Log startup
-	 */
-	report(LOG_INFO, "version %s.%d", VERSION, PATCHLEVEL);
-
-	/* Debugging for compilers with struct padding. */
-	assert(sizeof(struct bootp) == BP_MINPKTSZ);
-
-	/* Get space for receiving packets and composing replies. */
-	pktbuf = malloc(MAX_MSG_SIZE);
-	if (!pktbuf) {
-		report(LOG_ERR, "malloc failed");
-		exit(1);
-	}
-	bp = (struct bootp *) pktbuf;
-
-	/*
-	 * Check to see if a socket was passed to us from inetd.
-	 *
-	 * Use getsockname() to determine if descriptor 0 is indeed a socket
-	 * (and thus we are probably a child of inetd) or if it is instead
-	 * something else and we are running standalone.
-	 */
-	s = 0;
-	ba_len = sizeof(bind_addr);
-	bzero((char *) &bind_addr, ba_len);
-	errno = 0;
-	standalone = TRUE;
-	if (getsockname(s, (struct sockaddr *) &bind_addr, &ba_len) == 0) {
-		/*
-		 * Descriptor 0 is a socket.  Assume we are a child of inetd.
-		 */
-		if (bind_addr.sin_family == AF_INET) {
-			standalone = FALSE;
-			bootps_port = ntohs(bind_addr.sin_port);
-		} else {
-			/* Some other type of socket? */
-			report(LOG_INFO, "getsockname: not an INET socket");
-		}
-	}
-	/*
-	 * Set defaults that might be changed by option switches.
-	 */
-	stmp = NULL;
-	timeout = &actualtimeout;
-	gethostname(myhostname, sizeof(myhostname));
-	hep = gethostbyname(myhostname);
-	if (!hep) {
-		printf("Can not get my IP address\n");
-		exit(1);
-	}
-	bcopy(hep->h_addr, (char *)&my_ip_addr, sizeof(my_ip_addr));
-
-	/*
-	 * Read switches.
-	 */
-	for (argc--, argv++; argc > 0; argc--, argv++) {
-		if (argv[0][0] != '-')
-			break;
-		switch (argv[0][1]) {
-
-		case 'd':				/* debug level */
-			if (argv[0][2]) {
-				stmp = &(argv[0][2]);
-			} else if (argv[1] && argv[1][0] == '-') {
-				/*
-				 * Backwards-compatible behavior:
-				 * no parameter, so just increment the debug flag.
-				 */
-				debug++;
-				break;
-			} else {
-				argc--;
-				argv++;
-				stmp = argv[0];
-			}
-			if (!stmp || (sscanf(stmp, "%d", &n) != 1) || (n < 0)) {
-				fprintf(stderr,
-						"%s: invalid debug level\n", progname);
-				break;
-			}
-			debug = n;
-			break;
-
-		case 'h':				/* hop count limit */
-			if (argv[0][2]) {
-				stmp = &(argv[0][2]);
-			} else {
-				argc--;
-				argv++;
-				stmp = argv[0];
-			}
-			if (!stmp || (sscanf(stmp, "%d", &n) != 1) ||
-				(n < 0) || (n > 16))
-			{
-				fprintf(stderr,
-						"bootpgw: invalid hop count limit\n");
-				break;
-			}
-			maxhops = (u_int)n;
-			break;
-
-		case 'i':				/* inetd mode */
-			standalone = FALSE;
-			break;
-
-		case 's':				/* standalone mode */
-			standalone = TRUE;
-			break;
-
-		case 't':				/* timeout */
-			if (argv[0][2]) {
-				stmp = &(argv[0][2]);
-			} else {
-				argc--;
-				argv++;
-				stmp = argv[0];
-			}
-			if (!stmp || (sscanf(stmp, "%d", &n) != 1) || (n < 0)) {
-				fprintf(stderr,
-						"%s: invalid timeout specification\n", progname);
-				break;
-			}
-			actualtimeout.tv_sec = (int32) (60 * n);
-			/*
-			 * If the actual timeout is zero, pass a NULL pointer
-			 * to select so it blocks indefinitely, otherwise,
-			 * point to the actual timeout value.
-			 */
-			timeout = (n > 0) ? &actualtimeout : NULL;
-			break;
-
-		case 'w':				/* wait time */
-			if (argv[0][2]) {
-				stmp = &(argv[0][2]);
-			} else {
-				argc--;
-				argv++;
-				stmp = argv[0];
-			}
-			if (!stmp || (sscanf(stmp, "%d", &n) != 1) ||
-				(n < 0) || (n > 60))
-			{
-				fprintf(stderr,
-						"bootpgw: invalid wait time\n");
-				break;
-			}
-			minwait = (u_int)n;
-			break;
-
-		default:
-			fprintf(stderr, "%s: unknown switch: -%c\n",
-					progname, argv[0][1]);
-			usage();
-			break;
-
-		} /* switch */
-	} /* for args */
-
-	/* Make sure server name argument is suplied. */
-	servername = argv[0];
-	if (!servername) {
-		fprintf(stderr, "bootpgw: missing server name\n");
-		usage();
-	}
-	/*
-	 * Get address of real bootp server.
-	 */
-	if (isdigit(servername[0]))
-		server_ipa = inet_addr(servername);
-	else {
-		hep = gethostbyname(servername);
-		if (!hep) {
-			fprintf(stderr, "bootpgw: can't get addr for %s\n", servername);
-			exit(1);
-		}
-		bcopy(hep->h_addr, (char *)&server_ipa, sizeof(server_ipa));
-	}
-
-	if (standalone) {
-		/*
-		 * Go into background and disassociate from controlling terminal.
-		 * XXX - This is not the POSIX way (Should use setsid). -gwr
-		 */
-		if (debug < 3) {
-			if (fork())
-				exit(0);
-#ifdef	NO_SETSID
-			setpgrp(0,0);
-#ifdef TIOCNOTTY
-			n = open("/dev/tty", O_RDWR);
-			if (n >= 0) {
-				ioctl(n, TIOCNOTTY, (char *) 0);
-				(void) close(n);
-			}
-#endif	/* TIOCNOTTY */
-#else	/* SETSID */
-			if (setsid() < 0)
-				perror("setsid");
-#endif	/* SETSID */
-		} /* if debug < 3 */
-		/*
-		 * Nuke any timeout value
-		 */
-		timeout = NULL;
-
-		/*
-		 * Here, bootpd would do:
-		 *	chdir
-		 *	tzone_init
-		 *	rdtab_init
-		 *	readtab
-		 */
-
-		/*
-		 * Create a socket.
-		 */
-		if ((s = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
-			report(LOG_ERR, "socket: %s", get_network_errmsg());
-			exit(1);
-		}
-		/*
-		 * Get server's listening port number
-		 */
-		servp = getservbyname("bootps", "udp");
-		if (servp) {
-			bootps_port = ntohs((u_short) servp->s_port);
-		} else {
-			bootps_port = (u_short) IPPORT_BOOTPS;
-			report(LOG_ERR,
-				   "udp/bootps: unknown service -- assuming port %d",
-				   bootps_port);
-		}
-
-		/*
-		 * Bind socket to BOOTPS port.
-		 */
-		bind_addr.sin_family = AF_INET;
-		bind_addr.sin_port = htons(bootps_port);
-		bind_addr.sin_addr.s_addr = INADDR_ANY;
-		if (bind(s, (struct sockaddr *) &bind_addr,
-				 sizeof(bind_addr)) < 0)
-		{
-			report(LOG_ERR, "bind: %s", get_network_errmsg());
-			exit(1);
-		}
-	} /* if standalone */
-	/*
-	 * Get destination port number so we can reply to client
-	 */
-	servp = getservbyname("bootpc", "udp");
-	if (servp) {
-		bootpc_port = ntohs(servp->s_port);
-	} else {
-		report(LOG_ERR,
-			   "udp/bootpc: unknown service -- assuming port %d",
-			   IPPORT_BOOTPC);
-		bootpc_port = (u_short) IPPORT_BOOTPC;
-	}
-
-	/* no signal catchers */
-
-	/*
-	 * Process incoming requests.
-	 */
-	for (;;) {
-		readfds = 1 << s;
-		nfound = select(s + 1, (fd_set *)&readfds, NULL, NULL, timeout);
-		if (nfound < 0) {
-			if (errno != EINTR) {
-				report(LOG_ERR, "select: %s", get_errmsg());
-			}
-			continue;
-		}
-		if (!(readfds & (1 << s))) {
-			report(LOG_INFO, "exiting after %ld minutes of inactivity",
-				   actualtimeout.tv_sec / 60);
-			exit(0);
-		}
-		ra_len = sizeof(recv_addr);
-		n = recvfrom(s, pktbuf, MAX_MSG_SIZE, 0,
-					 (struct sockaddr *) &recv_addr, &ra_len);
-		if (n <= 0) {
-			continue;
-		}
-		if (debug > 3) {
-			report(LOG_INFO, "recvd pkt from IP addr %s",
-				   inet_ntoa(recv_addr.sin_addr));
-		}
-		if (n < sizeof(struct bootp)) {
-			if (debug) {
-				report(LOG_INFO, "received short packet");
-			}
-			continue;
-		}
-		pktlen = n;
-
-		switch (bp->bp_op) {
-		case BOOTREQUEST:
-			handle_request();
-			break;
-		case BOOTREPLY:
-			handle_reply();
-			break;
-		}
-	}
-}
-
-
-
-
-/*
- * Print "usage" message and exit
- */
-
-static void
-usage()
-{
-	fprintf(stderr,
-			"usage:  bootpgw [-d level] [-i] [-s] [-t timeout] server\n");
-	fprintf(stderr, "\t -d n\tset debug level\n");
-	fprintf(stderr, "\t -h n\tset max hop count\n");
-	fprintf(stderr, "\t -i\tforce inetd mode (run as child of inetd)\n");
-	fprintf(stderr, "\t -s\tforce standalone mode (run without inetd)\n");
-	fprintf(stderr, "\t -t n\tset inetd exit timeout to n minutes\n");
-	fprintf(stderr, "\t -w n\tset min wait time (secs)\n");
-	exit(1);
-}
-
-
-
-/*
- * Process BOOTREQUEST packet.
- *
- * Note, this just forwards the request to a real server.
- */
-static void
-handle_request()
-{
-	struct bootp *bp = (struct bootp *) pktbuf;
-	struct ifreq *ifr;
-	u_short secs, hops;
-
-	/* XXX - SLIP init: Set bp_ciaddr = recv_addr here? */
-
-	if (debug) {
-		report(LOG_INFO, "request from %s",
-			   inet_ntoa(recv_addr.sin_addr));
-	}
-	/* Has the client been waiting long enough? */
-	secs = ntohs(bp->bp_secs);
-	if (secs < minwait)
-		return;
-
-	/* Has this packet hopped too many times? */
-	hops = ntohs(bp->bp_hops);
-	if (++hops > maxhops) {
-		report(LOG_NOTICE, "reqest from %s reached hop limit",
-			   inet_ntoa(recv_addr.sin_addr));
-		return;
-	}
-	bp->bp_hops = htons(hops);
-
-	/*
-	 * Here one might discard a request from the same subnet as the
-	 * real server, but we can assume that the real server will send
-	 * a reply to the client before it waits for minwait seconds.
-	 */
-
-	/* If gateway address is not set, put in local interface addr. */
-	if (bp->bp_giaddr.s_addr == 0) {
-#if 0	/* BUG */
-		struct sockaddr_in *sip;
-		/*
-		 * XXX - This picks the wrong interface when the receive addr
-		 * is the broadcast address.  There is no  portable way to
-		 * find out which interface a broadcast was received on. -gwr
-		 * (Thanks to <walker@zk3.dec.com> for finding this bug!)
-		 */
-		ifr = getif(s, &recv_addr.sin_addr);
-		if (!ifr) {
-			report(LOG_NOTICE, "no interface for request from %s",
-				   inet_ntoa(recv_addr.sin_addr));
-			return;
-		}
-		sip = (struct sockaddr_in *) &(ifr->ifr_addr);
-		bp->bp_giaddr = sip->sin_addr;
-#else	/* BUG */
-		/*
-		 * XXX - Just set "giaddr" to our "official" IP address.
-		 * RFC 1532 says giaddr MUST be set to the address of the
-		 * interface on which the request was received.  Setting
-		 * it to our "default" IP address is not strictly correct,
-		 * but is good enough to allow the real BOOTP server to
-		 * get the reply back here.  Then, before we forward the
-		 * reply to the client, the giaddr field is corrected.
-		 * (In case the client uses giaddr, which it should not.)
-		 * See handle_reply()
-		 */
-		bp->bp_giaddr = my_ip_addr;
-#endif	/* BUG */
-
-		/*
-		 * XXX - DHCP says to insert a subnet mask option into the
-		 * options area of the request (if vendor magic == std).
-		 */
-	}
-	/* Set up socket address for send. */
-	send_addr.sin_family = AF_INET;
-	send_addr.sin_port = htons(bootps_port);
-	send_addr.sin_addr.s_addr = server_ipa;
-
-	/* Send reply with same size packet as request used. */
-	if (sendto(s, pktbuf, pktlen, 0,
-			   (struct sockaddr *) &send_addr,
-			   sizeof(send_addr)) < 0)
-	{
-		report(LOG_ERR, "sendto: %s", get_network_errmsg());
-	}
-}
-
-
-
-/*
- * Process BOOTREPLY packet.
- */
-static void
-handle_reply()
-{
-	struct bootp *bp = (struct bootp *) pktbuf;
-	struct ifreq *ifr;
-	struct sockaddr_in *sip;
-	u_char canon_haddr[MAXHADDRLEN];
-	unsigned char *ha;
-	int len;
-
-	if (debug) {
-		report(LOG_INFO, "   reply for %s",
-			   inet_ntoa(bp->bp_yiaddr));
-	}
-	/* Make sure client is directly accessible. */
-	ifr = getif(s, &(bp->bp_yiaddr));
-	if (!ifr) {
-		report(LOG_NOTICE, "no interface for reply to %s",
-			   inet_ntoa(bp->bp_yiaddr));
-		return;
-	}
-#if 1	/* Experimental (see BUG above) */
-/* #ifdef CATER_TO_OLD_CLIENTS ? */
-	/*
-	 * The giaddr field has been set to our "default" IP address
-	 * which might not be on the same interface as the client.
-	 * In case the client looks at giaddr, (which it should not)
-	 * giaddr is now set to the address of the correct interface.
-	 */
-	sip = (struct sockaddr_in *) &(ifr->ifr_addr);
-	bp->bp_giaddr = sip->sin_addr;
-#endif
-
-	/* Set up socket address for send to client. */
-	send_addr.sin_family = AF_INET;
-	send_addr.sin_addr = bp->bp_yiaddr;
-	send_addr.sin_port = htons(bootpc_port);
-
-	/* Create an ARP cache entry for the client. */
-	ha = bp->bp_chaddr;
-	len = bp->bp_hlen;
-	if (len > MAXHADDRLEN)
-		len = MAXHADDRLEN;
-	if (bp->bp_htype == HTYPE_IEEE802) {
-		haddr_conv802(ha, canon_haddr, len);
-		ha = canon_haddr;
-	}
-	if (debug > 1)
-		report(LOG_INFO, "setarp %s - %s",
-			   inet_ntoa(bp->bp_yiaddr), haddrtoa(ha, len));
-	setarp(s, &bp->bp_yiaddr, ha, len);
-
-	/* Send reply with same size packet as request used. */
-	if (sendto(s, pktbuf, pktlen, 0,
-			   (struct sockaddr *) &send_addr,
-			   sizeof(send_addr)) < 0)
-	{
-		report(LOG_ERR, "sendto: %s", get_network_errmsg());
-	}
-}
-
-/*
- * Local Variables:
- * tab-width: 4
- * c-indent-level: 4
- * c-argdecl-indent: 4
- * c-continued-statement-offset: 4
- * c-continued-brace-offset: -4
- * c-label-offset: -4
- * c-brace-offset: 0
- * End:
- */