diff options
Diffstat (limited to 'usr.sbin/XNSrouted/tools/query.c')
| -rw-r--r-- | usr.sbin/XNSrouted/tools/query.c | 232 |
1 files changed, 0 insertions, 232 deletions
diff --git a/usr.sbin/XNSrouted/tools/query.c b/usr.sbin/XNSrouted/tools/query.c deleted file mode 100644 index 71b3733..0000000 --- a/usr.sbin/XNSrouted/tools/query.c +++ /dev/null @@ -1,232 +0,0 @@ -/*- - * Copyright (c) 1983, 1986, 1993 - * The Regents of the University of California. All rights reserved. - * - * This code includes software contributed to Berkeley by - * Bill Nesheim at Cornell University. - * - * 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. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University 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 REGENTS 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 REGENTS 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. - */ - -#ifndef lint -static char copyright[] = -"@(#) Copyright (c) 1983, 1986, 1993\n\ - The Regents of the University of California. All rights reserved.\n"; -#endif /* not lint */ - -#ifndef lint -static char sccsid[] = "@(#)query.c 8.1 (Berkeley) 6/5/93"; -#endif /* not lint */ - -#include <sys/param.h> -#include <sys/protosw.h> -#include <sys/socket.h> -#include <sys/time.h> -#include <netinet/in.h> -#include <netns/ns.h> -#include <netns/idp.h> -#include <errno.h> -#include <stdio.h> -#include <netdb.h> -#include "../protocol.h" -#define IDPPORT_RIF 1 - -#define WTIME 5 /* Time to wait for responses */ - -int s; -int timedout, timeout(); -char packet[MAXPACKETSIZE]; -extern int errno; -struct sockaddr_ns myaddr = {sizeof(myaddr), AF_NS}; -char *ns_ntoa(); -struct ns_addr ns_addr(); -main(argc, argv) -int argc; -char *argv[]; -{ - int cc, count, bits; - struct sockaddr from; - int fromlen = sizeof(from); - struct timeval notime; - - if (argc < 2) { - printf("usage: query hosts...\n"); - exit(1); - } - s = getsocket(SOCK_DGRAM, 0); - if (s < 0) { - perror("socket"); - exit(2); - } - - argv++, argc--; - query(argv,argc); - - /* - * Listen for returning packets; - * may be more than one packet per host. - */ - bits = 1 << s; - bzero(¬ime, sizeof(notime)); - signal(SIGALRM, timeout); - alarm(WTIME); - while (!timedout || - select(20, &bits, 0, 0, ¬ime) > 0) { - struct nspacket { - struct idp hdr; - char data[512]; - } response; - cc = recvfrom(s, &response, sizeof (response), 0, - &from, &fromlen); - if (cc <= 0) { - if (cc < 0) { - if (errno == EINTR) - continue; - perror("recvfrom"); - (void) close(s); - exit(1); - } - continue; - } - rip_input(&from, response.data, cc); - count--; - } -} -static struct sockaddr_ns router = {sizeof(myaddr), AF_NS}; -static struct ns_addr zero_addr; -static short allones[] = {-1, -1, -1}; - -query(argv,argc) -char **argv; -{ - register struct rip *msg = (struct rip *)packet; - char *host = *argv; - int flags = 0; - struct ns_addr specific; - - if (bcmp(*argv, "-r", 3) == 0) { - flags = MSG_DONTROUTE; argv++; argc--; - } - host = *argv; - router.sns_addr = ns_addr(host); - router.sns_addr.x_port = htons(IDPPORT_RIF); - if (ns_hosteq(zero_addr, router.sns_addr)) { - router.sns_addr.x_host = *(union ns_host *) allones; - } - msg->rip_cmd = htons(RIPCMD_REQUEST); - msg->rip_nets[0].rip_dst = *(union ns_net *) allones; - msg->rip_nets[0].rip_metric = htons(HOPCNT_INFINITY); - if (argc > 0) { - specific = ns_addr(*argv); - msg->rip_nets[0].rip_dst = specific.x_net; - specific.x_host = zero_addr.x_host; - specific.x_port = zero_addr.x_port; - printf("Net asked for was %s\n", ns_ntoa(specific)); - } - if (sendto(s, packet, sizeof (struct rip), flags, - &router, sizeof(router)) < 0) - perror(host); -} - -/* - * Handle an incoming routing packet. - */ -rip_input(from, msg, size) - struct sockaddr_ns *from; - register struct rip *msg; - int size; -{ - struct netinfo *n; - char *name; - int lna, net, subnet; - struct hostent *hp; - struct netent *np; - static struct ns_addr work; - - if (htons(msg->rip_cmd) != RIPCMD_RESPONSE) - return; - printf("from %s\n", ns_ntoa(from->sns_addr)); - size -= sizeof (struct idp); - size -= sizeof (short); - n = msg->rip_nets; - while (size > 0) { - union ns_net_u net; - if (size < sizeof (struct netinfo)) - break; - net.net_e = n->rip_dst; - printf("\t%d, metric %d\n", ntohl(net.long_e), - ntohs(n->rip_metric)); - size -= sizeof (struct netinfo), n++; - } -} - -timeout() -{ - timedout = 1; -} -getsocket(type, proto) - int type, proto; -{ - struct sockaddr_ns *sns = &myaddr; - int domain = sns->sns_family; - int retry, s, on = 1; - - retry = 1; - while ((s = socket(domain, type, proto)) < 0 && retry) { - perror("socket"); - sleep(5 * retry); - retry <<= 1; - } - if (retry == 0) - return (-1); - while (bind(s, sns, sizeof (*sns), 0) < 0 && retry) { - perror("bind"); - sleep(5 * retry); - retry <<= 1; - } - if (retry == 0) - return (-1); - if (domain==AF_NS) { - struct idp idp; - if (setsockopt(s, 0, SO_HEADERS_ON_INPUT, &on, sizeof(on))) { - perror("setsockopt SEE HEADERS"); - exit(1); - } - idp.idp_pt = NSPROTO_RI; - if (setsockopt(s, 0, SO_DEFAULT_HEADERS, &idp, sizeof(idp))) { - perror("setsockopt SET HEADERS"); - exit(1); - } - } - if (setsockopt(s, SOL_SOCKET, SO_BROADCAST, &on, sizeof (on)) < 0) { - perror("setsockopt SO_BROADCAST"); - exit(1); - } - return (s); -} |
