BSD 4_4 release

[unix-history] / usr / src / sbin / XNSrouted / main.c

diff --git a/usr/src/sbin/XNSrouted/main.c b/usr/src/sbin/XNSrouted/main.c
index 9fd4c77..601a005 100644 (file)
--- a/usr/src/sbin/XNSrouted/main.c
+++ b/usr/src/sbin/XNSrouted/main.c
@@ -1,28 +1,53 @@
 /*
 /*

- * Copyright (c) 1985 The Regents of the University of California.
- * All rights reserved.
+ * Copyright (c) 1985, 1993
+ *     The Regents of the University of California.  All rights reserved.

  *
  * This file includes significant work done at Cornell University by
  * Bill Nesheim.  That work included by permission.
  *
  *
  * This file includes significant work done at Cornell University by
  * Bill Nesheim.  That work included by permission.
  *

- * %sccs.include.redist.c%
+ * 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
  */
 
 #ifndef lint

-char copyright[] =
-"@(#) Copyright (c) 1985 The Regents of the University of California.\n\
- All rights reserved.\n";
+static char copyright[] =
+"@(#) Copyright (c) 1985, 1993\n\
+       The Regents of the University of California.  All rights reserved.\n";

 #endif /* not lint */
 
 #ifndef lint
 #endif /* not lint */
 
 #ifndef lint

-static char sccsid[] = "@(#)main.c     5.9 (Berkeley) %G%";
+static char sccsid[] = "@(#)main.c     8.1 (Berkeley) 6/5/93";

 #endif /* not lint */
 
 /*
  * XNS Routing Information Protocol Daemon
  */
 #include "defs.h"
 #endif /* not lint */
 
 /*
  * XNS Routing Information Protocol Daemon
  */
 #include "defs.h"

-#include <sys/ioctl.h>

 #include <sys/time.h>
 
 #include <net/if.h>
 #include <sys/time.h>
 
 #include <net/if.h>


@@ -36,7 +61,7 @@ int   supplier = -1;          /* process should supply updates */
 extern int gateway;
 
 struct rip *msg = (struct rip *) &packet[sizeof (struct idp)]; 
 extern int gateway;
 
 struct rip *msg = (struct rip *) &packet[sizeof (struct idp)]; 

-int    hup(), fkexit();
+void   hup(), fkexit(), timer();

 
 main(argc, argv)
        int argc;
 
 main(argc, argv)
        int argc;


@@ -88,29 +113,25 @@ main(argc, argv)
        
        
 #ifndef DEBUG
        
        
 #ifndef DEBUG

-       if (!tracepackets) {
-               int t;
-
-               if (fork())
-                       exit(0);
-               for (t = 0; t < 20; t++)
-                       (void) close(t);
-               (void) open("/", 0);
-               (void) dup2(0, 1);
-               (void) dup2(0, 2);
-               t = open(_PATH_TTY, 2);
-               if (t >= 0) {
-                       ioctl(t, TIOCNOTTY, (char *)0);
-                       (void) close(t);
-               }
-       }
+       if (!tracepackets)
+               daemon(0, 0);

 #endif
        openlog("XNSrouted", LOG_PID, LOG_DAEMON);
 
 #endif
        openlog("XNSrouted", LOG_PID, LOG_DAEMON);
 

-       ns_anynet.s_net[0] = -1; ns_anynet.s_net[1] = -1;

        addr.sns_family = AF_NS;
        addr.sns_len = sizeof(addr);
        addr.sns_port = htons(IDPPORT_RIF);
        addr.sns_family = AF_NS;
        addr.sns_len = sizeof(addr);
        addr.sns_port = htons(IDPPORT_RIF);

+       ns_anynet.s_net[0] = ns_anynet.s_net[1] = -1;
+       ns_netmask.sns_addr.x_net = ns_anynet;
+       ns_netmask.sns_len = 6;
+       r = socket(AF_ROUTE, SOCK_RAW, 0);
+       /* later, get smart about lookingforinterfaces */
+       if (r)
+               shutdown(r, 0); /* for now, don't want reponses */
+       else {
+               fprintf(stderr, "routed: no routing socket\n");
+               exit(1);
+       }

        s = getsocket(SOCK_DGRAM, 0, &addr);
        if (s < 0)
                exit(1);
        s = getsocket(SOCK_DGRAM, 0, &addr);
        if (s < 0)
                exit(1);


@@ -134,7 +155,7 @@ main(argc, argv)
        msg->rip_cmd = htons(RIPCMD_REQUEST);
        msg->rip_nets[0].rip_dst = ns_anynet;
        msg->rip_nets[0].rip_metric =  htons(HOPCNT_INFINITY);
        msg->rip_cmd = htons(RIPCMD_REQUEST);
        msg->rip_nets[0].rip_dst = ns_anynet;
        msg->rip_nets[0].rip_metric =  htons(HOPCNT_INFINITY);

-       toall(sendmsg);
+       toall(sndmsg);

        signal(SIGALRM, timer);
        signal(SIGHUP, hup);
        signal(SIGINT, hup);
        signal(SIGALRM, timer);
        signal(SIGHUP, hup);
        signal(SIGINT, hup);


@@ -157,7 +178,7 @@ process(fd)
        cc = recvfrom(fd, packet, sizeof (packet), 0, &from, &fromlen);
        if (cc <= 0) {
                if (cc < 0 && errno != EINTR)
        cc = recvfrom(fd, packet, sizeof (packet), 0, &from, &fromlen);
        if (cc <= 0) {
                if (cc < 0 && errno != EINTR)

-                       syslog("recvfrom: %m");
+                       syslog(LOG_ERR, "recvfrom: %m");

                return;
        }
        if (tracepackets > 1 && ftrace) {
                return;
        }
        if (tracepackets > 1 && ftrace) {


@@ -191,14 +212,14 @@ getsocket(type, proto, sns)
 
        retry = 1;
        while ((s = socket(domain, type, proto)) < 0 && retry) {
 
        retry = 1;
        while ((s = socket(domain, type, proto)) < 0 && retry) {

-               syslog("socket: %m");
+               syslog(LOG_ERR, "socket: %m");

                sleep(5 * retry);
                retry <<= 1;
        }
        if (retry == 0)
                return (-1);
                sleep(5 * retry);
                retry <<= 1;
        }
        if (retry == 0)
                return (-1);

-       while (bind(s, sns, sizeof (*sns), 0) < 0 && retry) {
-               syslog("bind: %m");
+       while (bind(s, (struct sockaddr *)sns, sizeof (*sns)) < 0 && retry) {
+               syslog(LOG_ERR, "bind: %m");

                sleep(5 * retry);
                retry <<= 1;
        }
                sleep(5 * retry);
                retry <<= 1;
        }


@@ -207,17 +228,17 @@ getsocket(type, proto, sns)
        if (domain==AF_NS) {
                struct idp idp;
                if (setsockopt(s, 0, SO_HEADERS_ON_INPUT, &on, sizeof(on))) {
        if (domain==AF_NS) {
                struct idp idp;
                if (setsockopt(s, 0, SO_HEADERS_ON_INPUT, &on, sizeof(on))) {

-                       syslog("setsockopt SEE HEADERS: %m");
+                       syslog(LOG_ERR, "setsockopt SEE HEADERS: %m");

                        exit(1);
                }
                idp.idp_pt = NSPROTO_RI;
                if (setsockopt(s, 0, SO_DEFAULT_HEADERS, &idp, sizeof(idp))) {
                        exit(1);
                }
                idp.idp_pt = NSPROTO_RI;
                if (setsockopt(s, 0, SO_DEFAULT_HEADERS, &idp, sizeof(idp))) {

-                       syslog("setsockopt SET HEADER: %m");
+                       syslog(LOG_ERR, "setsockopt SET HEADER: %m");

                        exit(1);
                }
        }
        if (setsockopt(s, SOL_SOCKET, SO_BROADCAST, &on, sizeof (on)) < 0) {
                        exit(1);
                }
        }
        if (setsockopt(s, SOL_SOCKET, SO_BROADCAST, &on, sizeof (on)) < 0) {

-               syslog("setsockopt SO_BROADCAST: %m");
+               syslog(LOG_ERR, "setsockopt SO_BROADCAST: %m");

                exit(1);
        }
        return (s);
                exit(1);
        }
        return (s);


@@ -226,6 +247,7 @@ getsocket(type, proto, sns)
 /*
  * Fork and exit on EMT-- for profiling.
  */
 /*
  * Fork and exit on EMT-- for profiling.
  */

+void

 fkexit()
 {
        if (fork() == 0)
 fkexit()
 {
        if (fork() == 0)