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Add isc_inet_aton() and a check to use system inet_aton()

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This commit is contained in:
Michael Graff 1999-01-30 04:27:48 +00:00
parent 70db22e93b
commit c810fcbf6c
9 changed files with 278 additions and 14 deletions
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63
configure vendored
View File

@ -1,6 +1,6 @@
#! /bin/sh
# From configure.in Revision: 1.9
# From configure.in Revision: 1.10
# Guess values for system-dependent variables and create Makefiles.
# Generated automatically using autoconf version 2.12
@ -1421,11 +1421,66 @@ ISC_EXTRA_OBJS="$ISC_EXTRA_OBJS inet_ntop.o"
EOF
fi
echo $ac_n "checking for inet_aton""... $ac_c" 1>&6
echo "configure:1428: checking for inet_aton" >&5
if eval "test \"`echo '$''{'ac_cv_func_inet_aton'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
#line 1433 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char inet_aton(); below. */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error. */
/* We use char because int might match the return type of a gcc2
builtin and then its argument prototype would still apply. */
char inet_aton();
int main() {
/* The GNU C library defines this for functions which it implements
to always fail with ENOSYS. Some functions are actually named
something starting with __ and the normal name is an alias. */
#if defined (__stub_inet_aton) || defined (__stub___inet_aton)
choke me
#else
inet_aton();
#endif
; return 0; }
EOF
if { (eval echo configure:1456: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
rm -rf conftest*
eval "ac_cv_func_inet_aton=yes"
else
echo "configure: failed program was:" >&5
cat conftest.$ac_ext >&5
rm -rf conftest*
eval "ac_cv_func_inet_aton=no"
fi
rm -f conftest*
fi
if eval "test \"`echo '$ac_cv_func_'inet_aton`\" = yes"; then
echo "$ac_t""yes" 1>&6
:
else
echo "$ac_t""no" 1>&6
ISC_EXTRA_OBJS="$ISC_EXTRA_OBJS inet_aton.o"
cat >> confdefs.h <<\EOF
#define NEED_INET_ATON 1
EOF
fi
echo $ac_n "checking whether ${MAKE-make} sets \${MAKE}""... $ac_c" 1>&6
echo "configure:1429: checking whether ${MAKE-make} sets \${MAKE}" >&5
echo "configure:1484: checking whether ${MAKE-make} sets \${MAKE}" >&5
set dummy ${MAKE-make}; ac_make=`echo "$2" | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_prog_make_${ac_make}_set'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
@ -1454,7 +1509,7 @@ fi
# Extract the first word of "ranlib", so it can be a program name with args.
set dummy ranlib; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:1458: checking for $ac_word" >&5
echo "configure:1513: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
@ -1491,7 +1546,7 @@ fi
# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
# ./install, which can be erroneously created by make from ./install.sh.
echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&6
echo "configure:1495: checking for a BSD compatible install" >&5
echo "configure:1550: checking for a BSD compatible install" >&5
if test -z "$INSTALL"; then
if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6

7
configure.in
View File

@ -1,5 +1,5 @@
AC_REVISION($Revision: 1.10 $)
AC_REVISION($Revision: 1.11 $)
AC_INIT(lib/dns/name.c)
AC_CONFIG_HEADER(config.h)
@ -29,6 +29,11 @@ AC_CHECK_FUNC(inet_ntop, ,
AC_SUBST(ISC_EXTRA_OBJS)
AC_DEFINE(NEED_INET_NTOP)]
)
AC_CHECK_FUNC(inet_aton, ,
[ISC_EXTRA_OBJS="$ISC_EXTRA_OBJS inet_aton.o"
AC_SUBST(ISC_EXTRA_OBJS)
AC_DEFINE(NEED_INET_ATON)]
)
AC_PROG_MAKE_SET
AC_PROG_RANLIB

4
lib/dns/rdata/in_1/a_1.c
View File

@ -15,7 +15,7 @@
* SOFTWARE.
*/
/* $Id: a_1.c,v 1.8 1999/01/22 05:02:49 marka Exp $ */
/* $Id: a_1.c,v 1.9 1999/01/30 04:27:47 explorer Exp $ */
#ifndef RDATA_IN_1_A_1_H
#define RDATA_IN_1_A_1_H
@ -46,7 +46,7 @@ fromtext_in_a(dns_rdataclass_t class, dns_rdatatype_t type,
RETERR(gettoken(lexer, &token, isc_tokentype_string, ISC_FALSE));
if (inet_aton(token.value.as_pointer , &addr) != 1)
if (isc_inet_aton(token.value.as_pointer, &addr) != 1)
return (DNS_R_UNEXPECTED);
isc_buffer_available(target, &region);
if (region.length < 4)

4
lib/dns/rdata/in_1/a_1.h
View File

@ -15,7 +15,7 @@
* SOFTWARE.
*/
/* $Id: a_1.h,v 1.8 1999/01/22 05:02:49 marka Exp $ */
/* $Id: a_1.h,v 1.9 1999/01/30 04:27:47 explorer Exp $ */
#ifndef RDATA_IN_1_A_1_H
#define RDATA_IN_1_A_1_H
@ -46,7 +46,7 @@ fromtext_in_a(dns_rdataclass_t class, dns_rdatatype_t type,
RETERR(gettoken(lexer, &token, isc_tokentype_string, ISC_FALSE));
if (inet_aton(token.value.as_pointer , &addr) != 1)
if (isc_inet_aton(token.value.as_pointer, &addr) != 1)
return (DNS_R_UNEXPECTED);
isc_buffer_available(target, &region);
if (region.length < 4)

4
lib/dns/rdata/in_1/wks_11.c
View File

@ -15,7 +15,7 @@
* SOFTWARE.
*/
/* $Id: wks_11.c,v 1.4 1999/01/22 05:02:49 marka Exp $ */
/* $Id: wks_11.c,v 1.5 1999/01/30 04:27:47 explorer Exp $ */
#ifndef RDATA_IN_1_WKS_11_H
#define RDATA_IN_1_WKS_11_H
@ -59,7 +59,7 @@ fromtext_in_wks(dns_rdataclass_t class, dns_rdatatype_t type,
RETERR(gettoken(lexer, &token, isc_tokentype_string, ISC_FALSE));
isc_buffer_available(target, &region);
if (inet_aton(token.value.as_pointer , &addr) != 1)
if (isc_inet_aton(token.value.as_pointer, &addr) != 1)
return (DNS_R_BADDOTTEDQUAD);
if (region.length < 4)
return (DNS_R_NOSPACE);

4
lib/dns/rdata/in_1/wks_11.h
View File

@ -15,7 +15,7 @@
* SOFTWARE.
*/
/* $Id: wks_11.h,v 1.4 1999/01/22 05:02:49 marka Exp $ */
/* $Id: wks_11.h,v 1.5 1999/01/30 04:27:47 explorer Exp $ */
#ifndef RDATA_IN_1_WKS_11_H
#define RDATA_IN_1_WKS_11_H
@ -59,7 +59,7 @@ fromtext_in_wks(dns_rdataclass_t class, dns_rdatatype_t type,
RETERR(gettoken(lexer, &token, isc_tokentype_string, ISC_FALSE));
isc_buffer_available(target, &region);
if (inet_aton(token.value.as_pointer , &addr) != 1)
if (isc_inet_aton(token.value.as_pointer, &addr) != 1)
return (DNS_R_BADDOTTEDQUAD);
if (region.length < 4)
return (DNS_R_NOSPACE);

6
lib/isc/include/isc/inet.h
View File

@ -33,4 +33,10 @@ char *isc_inet_ntop(int af, const void *src, char *dst, size_t size);
#define isc_inet_ntop inet_ntop
#endif
#ifdef NEED_INET_ATON
int isc_inet_aton(const char *cp, struct in_addr *addr);
#else
#define isc_inet_aton inet_aton
#endif
#endif /* ISC_INET_H */

192
lib/isc/inet_aton.c Normal file
View File

@ -0,0 +1,192 @@
/*
* 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.
*/
/*
* Portions Copyright (c) 1996-1999 by Internet Software Consortium.
*
* 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.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
* CONSORTIUM 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.
*/
#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)inet_addr.c 8.1 (Berkeley) 6/17/93";
static char rcsid[] = "$Id: inet_aton.c,v 1.1 1999/01/30 04:27:48 explorer Exp $";
#endif /* LIBC_SCCS and not lint */
#include <sys/types.h>
#include <sys/param.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <ctype.h>
#include <isc/types.h>
/*
* 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(const char *cp, struct in_addr *addr)
{
unsigned long val;
int base, n;
char c;
isc_uint8_t parts[4];
isc_uint8_t *pp = parts;
int digit;
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; digit = 0;
if (c == '0') {
c = *++cp;
if (c == 'x' || c == 'X')
base = 16, c = *++cp;
else {
base = 8;
digit = 1 ;
}
}
for (;;) {
if (isascii(c) && isdigit(c)) {
if (base == 8 && (c == '8' || c == '9'))
return (0);
val = (val * base) + (c - '0');
c = *++cp;
digit = 1;
} else if (base == 16 && isascii(c) && isxdigit(c)) {
val = (val << 4) |
(c + 10 - (islower(c) ? 'a' : 'A'));
c = *++cp;
digit = 1;
} 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 || val > 0xff)
return (0);
*pp++ = val;
c = *++cp;
} else
break;
}
/*
* Check for trailing characters.
*/
if (c != '\0' && (!isascii(c) || !isspace(c)))
return (0);
/*
* Did we get a valid digit?
*/
if (!digit)
return (0);
/*
* Concoct the address according to
* the number of parts specified.
*/
n = pp - parts + 1;
switch (n) {
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 != NULL)
addr->s_addr = htonl(val);
return (1);
}

8
lib/isc/inet_ntop.c
View File

@ -16,7 +16,7 @@
*/
#if defined(LIBC_SCCS) && !defined(lint)
static char rcsid[] = "$Id: inet_ntop.c,v 1.1 1999/01/22 04:35:11 explorer Exp $";
static char rcsid[] = "$Id: inet_ntop.c,v 1.2 1999/01/30 04:27:48 explorer Exp $";
#endif /* LIBC_SCCS and not lint */
#include <errno.h>
@ -40,7 +40,9 @@ static char rcsid[] = "$Id: inet_ntop.c,v 1.1 1999/01/22 04:35:11 explorer Exp $
*/
static const char *isc_inet_ntop4(const u_char *src, char *dst, size_t size);
#ifdef AF_INET6
static const char *isc_inet_ntop6(const u_char *src, char *dst, size_t size);
#endif
/* char *
* isc_inet_ntop(af, src, dst, size)
@ -56,8 +58,10 @@ isc_inet_ntop(int af, const void *src, char *dst, size_t size)
switch (af) {
case AF_INET:
return (isc_inet_ntop4(src, dst, size));
#ifdef AF_INET6
case AF_INET6:
return (isc_inet_ntop6(src, dst, size));
#endif
default:
errno = EAFNOSUPPORT;
return (NULL);
@ -97,6 +101,7 @@ isc_inet_ntop4(const u_char *src, char *dst, size_t size)
* author:
* Paul Vixie, 1996.
*/
#ifdef AF_INET6
static const char *
isc_inet_ntop6(const u_char *src, char *dst, size_t size)
{
@ -185,3 +190,4 @@ isc_inet_ntop6(const u_char *src, char *dst, size_t size)
strcpy(dst, tmp);
return (dst);
}
#endif /* AF_INET6 */