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📁 ..
📄 Makefile(18.78 KB)
📄 addicmp.c(446 B)
📄 addipopt.c(1.14 KB)
📄 alist_free.c(334 B)
📄 alist_new.c(1.59 KB)
📄 allocmbt.c(383 B)
📄 assigndefined.c(452 B)
📄 bcopywrap.c(274 B)
📄 binprint.c(411 B)
📄 buildopts.c(823 B)
📄 checkrev.c(803 B)
📄 connecttcp.c(911 B)
📄 count4bits.c(621 B)
📄 count6bits.c(376 B)
📄 debug.c(556 B)
📄 dupmbt.c(482 B)
📄 facpri.c(2.62 KB)
📄 facpri.h(629 B)
📄 familyname.c(184 B)
📄 fill6bits.c(744 B)
📄 findword.c(413 B)
📄 flags.c(414 B)
📄 freembt.c(233 B)
📄 ftov.c(204 B)
📄 gethost.c(1.42 KB)
📄 geticmptype.c(452 B)
📄 getifname.c(957 B)
📄 getnattype.c(1.15 KB)
📄 getport.c(1.75 KB)
📄 getportproto.c(621 B)
📄 getproto.c(462 B)
📄 getsumd.c(344 B)
📄 hostname.c(1.2 KB)
📄 icmpcode.c(493 B)
📄 icmptypename.c(494 B)
📄 icmptypes.c(3.34 KB)
📄 inet_addr.c(6.1 KB)
📄 initparse.c(300 B)
📄 interror.c(26.29 KB)
📄 ionames.c(1.57 KB)
📄 ipf_dotuning.c(1.61 KB)
📄 ipf_perror.c(698 B)
📄 ipft_hx.c(3.13 KB)
📄 ipft_pc.c(4.41 KB)
📄 ipft_tx.c(10.09 KB)
📄 ipoptsec.c(1.15 KB)
📄 kmem.c(1.85 KB)
📄 kmem.h(504 B)
📄 kmemcpywrap.c(314 B)
📄 kvatoname.c(672 B)
📄 load_dstlist.c(1.65 KB)
📄 load_dstlistnode.c(1.47 KB)
📄 load_file.c(1.56 KB)
📄 load_hash.c(2.29 KB)
📄 load_hashnode.c(1.35 KB)
📄 load_http.c(4.02 KB)
📄 load_pool.c(1.59 KB)
📄 load_poolnode.c(1.4 KB)
📄 load_url.c(542 B)
📄 mb_hexdump.c(541 B)
📄 msgdsize.c(333 B)
📄 mutex_emul.c(2.66 KB)
📄 nametokva.c(645 B)
📄 nat_setgroupmap.c(756 B)
📄 ntomask.c(635 B)
📄 optname.c(1.13 KB)
📄 optprint.c(1.73 KB)
📄 optprintv6.c(894 B)
📄 optvalue.c(520 B)
📄 parsefields.c(984 B)
📄 parseipfexpr.c(6.19 KB)
📄 parsewhoisline.c(2.72 KB)
📄 poolio.c(704 B)
📄 portname.c(902 B)
📄 prependmbt.c(307 B)
📄 print_toif.c(882 B)
📄 printactiveaddr.c(643 B)
📄 printactivenat.c(4.18 KB)
📄 printaddr.c(1.16 KB)
📄 printaps.c(3.53 KB)
📄 printbuf.c(414 B)
📄 printdstl_live.c(1.72 KB)
📄 printdstlist.c(1.04 KB)
📄 printdstlistdata.c(974 B)
📄 printdstlistnode.c(1.73 KB)
📄 printdstlistpolicy.c(454 B)
📄 printfieldhdr.c(972 B)
📄 printfr.c(10.73 KB)
📄 printfraginfo.c(801 B)
📄 printhash.c(1.04 KB)
📄 printhash_live.c(1.4 KB)
📄 printhashdata.c(1.93 KB)
📄 printhashnode.c(2.32 KB)
📄 printhost.c(553 B)
📄 printhostmap.c(626 B)
📄 printhostmask.c(612 B)
📄 printifname.c(339 B)
📄 printip.c(690 B)
📄 printipfexpr.c(3.58 KB)
📄 printiphdr.c(462 B)
📄 printlog.c(650 B)
📄 printlookup.c(700 B)
📄 printmask.c(450 B)
📄 printnat.c(8.69 KB)
📄 printnataddr.c(992 B)
📄 printnatfield.c(3.2 KB)
📄 printnatside.c(2.51 KB)
📄 printpacket.c(2.06 KB)
📄 printpacket6.c(1.29 KB)
📄 printpool.c(1.2 KB)
📄 printpool_live.c(1.39 KB)
📄 printpooldata.c(1.08 KB)
📄 printpoolfield.c(3.42 KB)
📄 printpoolnode.c(1.66 KB)
📄 printportcmp.c(632 B)
📄 printproto.c(750 B)
📄 printsbuf.c(542 B)
📄 printstate.c(5.74 KB)
📄 printstatefields.c(5.24 KB)
📄 printtcpflags.c(451 B)
📄 printtqtable.c(430 B)
📄 printtunable.c(649 B)
📄 printunit.c(652 B)
📄 remove_hash.c(1 KB)
📄 remove_hashnode.c(1.11 KB)
📄 remove_pool.c(947 B)
📄 remove_poolnode.c(1.08 KB)
📄 resetlexer.c(331 B)
📄 rwlock_emul.c(3.47 KB)
📄 save_execute.c(1.14 KB)
📄 save_file.c(1.88 KB)
📄 save_nothing.c(821 B)
📄 save_syslog.c(2.2 KB)
📄 save_v1trap.c(7.93 KB)
📄 save_v2trap.c(7.98 KB)
📄 tcp_flags.c(770 B)
📄 tcpflags.c(594 B)
📄 tcpoptnames.c(513 B)
📄 v6ionames.c(636 B)
📄 v6optvalue.c(577 B)
📄 var.c(2.92 KB)
📄 verbose.c(511 B)
📄 vtof.c(204 B)

Editing: inet_addr.c

/*	$FreeBSD$	*/

/*
 * ++Copyright++ 1983, 1990, 1993
 * -
 * Copyright (c) 1983, 1990, 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.
 * -
 * Portions Copyright (c) 1993 by Digital Equipment Corporation.
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies, and that
 * the name of Digital Equipment Corporation not be used in advertising or
 * publicity pertaining to distribution of the document or software without
 * specific, written prior permission.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
 * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS.   IN NO EVENT SHALL DIGITAL EQUIPMENT
 * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, 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.
 * -
 * --Copyright--
 */

#if !defined(lint)
static const char sccsid[] = "@(#)inet_addr.c	8.1 (Berkeley) 6/17/93";
static const char rcsid[] = "@(#)$Id: inet_addr.c,v 1.8.2.3 2004/12/09 19:41:20 darrenr Exp $";
#endif /* LIBC_SCCS and not lint */

#include <sys/param.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <ctype.h>

#ifndef	__P
#  define	__P(x)	x
#endif
int inet_aton __P((const char *, struct in_addr *));

/*
 * Because the ctype(3) posix definition, if used "safely" in code everywhere,
 * would mean all normal code that walks through strings needed casts.  Yuck.
 */
#define	ISALNUM(x)	isalnum((u_char)(x))
#define	ISALPHA(x)	isalpha((u_char)(x))
#define	ISASCII(x)	isascii((u_char)(x))
#define	ISDIGIT(x)	isdigit((u_char)(x))
#define	ISPRINT(x)	isprint((u_char)(x))
#define	ISSPACE(x)	isspace((u_char)(x))
#define	ISUPPER(x)	isupper((u_char)(x))
#define	ISXDIGIT(x)	isxdigit((u_char)(x))
#define	ISLOWER(x)	islower((u_char)(x))

/*
 * Check whether "cp" is a valid ascii representation
 * of an Internet address and convert to a binary address.
 * Returns 1 if the address is valid, 0 if not.
 * This replaces inet_addr, the return value from which
 * cannot distinguish between failure and a local broadcast address.
 */
int
inet_aton(cp, addr)
	register const char *cp;
	struct in_addr *addr;
{
	register u_long val;
	register int base, n;
	register char c;
	u_int parts[4];
	register u_int *pp = parts;

c = *cp;
	for (;;) {
		/*
		 * Collect number up to ``.''.
		 * Values are specified as for C:
		 * 0x=hex, 0=octal, isdigit=decimal.
		 */
		if (!ISDIGIT(c))
			return (0);
		val = 0; base = 10;
		if (c == '0') {
			c = *++cp;
			if (c == 'x' || c == 'X')
				base = 16, c = *++cp;
			else
				base = 8;
		}
		for (;;) {
			if (ISASCII(c) && ISDIGIT(c)) {
				val = (val * base) + (c - '0');
				c = *++cp;
			} else if (base == 16 && ISASCII(c) && ISXDIGIT(c)) {
				val = (val << 4) |
					(c + 10 - (ISLOWER(c) ? 'a' : 'A'));
				c = *++cp;
			} else
				break;
		}
		if (c == '.') {
			/*
			 * Internet format:
			 *	a.b.c.d
			 *	a.b.c	(with c treated as 16 bits)
			 *	a.b	(with b treated as 24 bits)
			 */
			if (pp >= parts + 3)
				return (0);
			*pp++ = val;
			c = *++cp;
		} else
			break;
	}
	/*
	 * Check for trailing characters.
	 */
	if (c != '\0' && (!ISASCII(c) || !ISSPACE(c)))
		return (0);
	/*
	 * Concoct the address according to
	 * the number of parts specified.
	 */
	n = pp - parts + 1;
	switch (n) {

case 0:
		return (0);		/* initial nondigit */

case 1:				/* a -- 32 bits */
		break;

case 2:				/* a.b -- 8.24 bits */
		if (val > 0xffffff)
			return (0);
		val |= parts[0] << 24;
		break;

case 3:				/* a.b.c -- 8.8.16 bits */
		if (val > 0xffff)
			return (0);
		val |= (parts[0] << 24) | (parts[1] << 16);
		break;

case 4:				/* a.b.c.d -- 8.8.8.8 bits */
		if (val > 0xff)
			return (0);
		val |= (parts[0] << 24) | (parts[1] << 16) | (parts[2] << 8);
		break;
	}
	if (addr)
		addr->s_addr = htonl(val);
	return (1);
}

/* these are compatibility routines, not needed on recent BSD releases */

/*
 * Ascii internet address interpretation routine.
 * The value returned is in network order.
 */
#if 0
inet_addr(cp)
	const char *cp;
{
	struct in_addr val;

if (inet_aton(cp, &val))
		return (val.s_addr);
	return (0xffffffff);
}
#endif

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Editing: inet_addr.c

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