diff options
Diffstat (limited to 'usr.sbin/routed/af.c')
| -rw-r--r-- | usr.sbin/routed/af.c | 171 |
1 files changed, 0 insertions, 171 deletions
diff --git a/usr.sbin/routed/af.c b/usr.sbin/routed/af.c deleted file mode 100644 index b78f771..0000000 --- a/usr.sbin/routed/af.c +++ /dev/null @@ -1,171 +0,0 @@ -/* - * Copyright (c) 1983, 1993 - * The Regents of the University of California. 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. 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 sccsid[] = "@(#)af.c 8.1 (Berkeley) 6/5/93"; -#endif /* not lint */ - -#include "defs.h" - -/* - * Address family support routines - */ -int inet_hash(), inet_netmatch(), inet_output(), - inet_portmatch(), inet_portcheck(), - inet_checkhost(), inet_rtflags(), inet_sendroute(), inet_canon(); -char *inet_format(); - -#define NIL { 0 } -#define INET \ - { inet_hash, inet_netmatch, inet_output, \ - inet_portmatch, inet_portcheck, inet_checkhost, \ - inet_rtflags, inet_sendroute, inet_canon, \ - inet_format \ - } - -struct afswitch afswitch[AF_MAX] = { - NIL, /* 0- unused */ - NIL, /* 1- Unix domain, unused */ - INET, /* Internet */ -}; - -int af_max = sizeof(afswitch) / sizeof(afswitch[0]); - -struct sockaddr_in inet_default = { -#ifdef RTM_ADD - sizeof (inet_default), -#endif - AF_INET, INADDR_ANY }; - -inet_hash(sin, hp) - register struct sockaddr_in *sin; - struct afhash *hp; -{ - register u_long n; - - n = inet_netof(sin->sin_addr); - if (n) - while ((n & 0xff) == 0) - n >>= 8; - hp->afh_nethash = n; - hp->afh_hosthash = ntohl(sin->sin_addr.s_addr); - hp->afh_hosthash &= 0x7fffffff; -} - -inet_netmatch(sin1, sin2) - struct sockaddr_in *sin1, *sin2; -{ - - return (inet_netof(sin1->sin_addr) == inet_netof(sin2->sin_addr)); -} - -/* - * Verify the message is from the right port. - */ -inet_portmatch(sin) - register struct sockaddr_in *sin; -{ - - return (sin->sin_port == sp->s_port); -} - -/* - * Verify the message is from a "trusted" port. - */ -inet_portcheck(sin) - struct sockaddr_in *sin; -{ - - return (ntohs(sin->sin_port) <= IPPORT_RESERVED); -} - -/* - * Internet output routine. - */ -inet_output(s, flags, sin, size) - int s, flags; - struct sockaddr_in *sin; - int size; -{ - struct sockaddr_in dst; - - dst = *sin; - sin = &dst; - if (sin->sin_port == 0) - sin->sin_port = sp->s_port; - if (sin->sin_len == 0) - sin->sin_len = sizeof (*sin); - if (sendto(s, packet, size, flags, - (struct sockaddr *)sin, sizeof (*sin)) < 0) - perror("sendto"); -} - -/* - * Return 1 if the address is believed - * for an Internet host -- THIS IS A KLUDGE. - */ -inet_checkhost(sin) - struct sockaddr_in *sin; -{ - u_long i = ntohl(sin->sin_addr.s_addr); - -#ifndef IN_EXPERIMENTAL -#define IN_EXPERIMENTAL(i) (((long) (i) & 0xe0000000) == 0xe0000000) -#endif - - if (IN_EXPERIMENTAL(i) || sin->sin_port != 0) - return (0); - if (i != 0 && (i & 0xff000000) == 0) - return (0); - for (i = 0; i < sizeof(sin->sin_zero)/sizeof(sin->sin_zero[0]); i++) - if (sin->sin_zero[i]) - return (0); - return (1); -} - -inet_canon(sin) - struct sockaddr_in *sin; -{ - - sin->sin_port = 0; - sin->sin_len = sizeof(*sin); -} - -char * -inet_format(sin) - struct sockaddr_in *sin; -{ - char *inet_ntoa(); - - return (inet_ntoa(sin->sin_addr)); -} |
