mirror of git://anongit.mindrot.org/openssh.git
- (bal) Added openbsd-compat/inet_ntop.[ch] since HP/UX (and others)
lack it.
This commit is contained in:
Ben Lindstrom
parent
2b646528cb
commit
0998872972
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@ -4,6 +4,8 @@
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[ssh.c]
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show debug output during option processing, report from
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pekkas@netcore.fi
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- (bal) Added openbsd-compat/inet_ntop.[ch] since HP/UX (and others)
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lack it.
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20010412
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- OpenBSD CVS Sync
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@ -5024,4 +5026,4 @@
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- Wrote replacements for strlcpy and mkdtemp
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- Released 1.0pre1
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$Id: ChangeLog,v 1.1101 2001/04/12 16:16:57 mouring Exp $
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$Id: ChangeLog,v 1.1102 2001/04/12 21:35:52 mouring Exp $
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@ -1,4 +1,4 @@
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# $Id: configure.in,v 1.274 2001/04/09 14:50:54 stevesk Exp $
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# $Id: configure.in,v 1.275 2001/04/12 21:35:53 mouring Exp $
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AC_INIT(ssh.c)
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@ -471,7 +471,7 @@ AC_ARG_WITH(tcp-wrappers,
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)
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dnl Checks for library functions.
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AC_CHECK_FUNCS(arc4random atexit b64_ntop bcopy bindresvport_sa clock fchown fchmod freeaddrinfo futimes gai_strerror getcwd getaddrinfo getgrouplist getnameinfo getrlimit getrusage getttyent getusershell glob inet_aton inet_ntoa innetgr login_getcapbool md5_crypt memmove mkdtemp on_exit openpty realpath rresvport_af setdtablesize setenv setegid seteuid setlogin setproctitle setresgid setreuid setrlimit setsid sigaction sigvec snprintf strerror strlcat strlcpy strmode strsep strtok_r sysconf tcgetpgrp utimes vsnprintf vhangup vis waitpid _getpty __b64_ntop)
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AC_CHECK_FUNCS(arc4random atexit b64_ntop bcopy bindresvport_sa clock fchown fchmod freeaddrinfo futimes gai_strerror getcwd getaddrinfo getgrouplist getnameinfo getrlimit getrusage getttyent getusershell glob inet_aton inet_ntoa inet_ntop innetgr login_getcapbool md5_crypt memmove mkdtemp on_exit openpty realpath rresvport_af setdtablesize setenv setegid seteuid setlogin setproctitle setresgid setreuid setrlimit setsid sigaction sigvec snprintf strerror strlcat strlcpy strmode strsep strtok_r sysconf tcgetpgrp utimes vsnprintf vhangup vis waitpid _getpty __b64_ntop)
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dnl Checks for time functions
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AC_CHECK_FUNCS(gettimeofday time)
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dnl Checks for libutil functions
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@ -1,4 +1,4 @@
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# $Id: Makefile.in,v 1.9 2001/03/18 23:09:28 djm Exp $
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# $Id: Makefile.in,v 1.10 2001/04/12 21:35:53 mouring Exp $
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sysconfdir=@sysconfdir@
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piddir=@piddir@
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@ -16,7 +16,7 @@ RANLIB=@RANLIB@
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INSTALL=@INSTALL@
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LDFLAGS=-L. @LDFLAGS@
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OPENBSD=base64.o bindresvport.o daemon.o getcwd.o getgrouplist.o getusershell.o glob.o inet_aton.o inet_ntoa.o mktemp.o realpath.o rresvport.o setenv.o setproctitle.o sigact.o strlcat.o strlcpy.o strmode.o strsep.o strtok.o vis.o
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OPENBSD=base64.o bindresvport.o daemon.o getcwd.o getgrouplist.o getusershell.o glob.o inet_aton.o inet_ntoa.o inet_ntop.o mktemp.o realpath.o rresvport.o setenv.o setproctitle.o sigact.o strlcat.o strlcpy.o strmode.o strsep.o strtok.o vis.o
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COMPAT=bsd-arc4random.o bsd-cygwin_util.o bsd-misc.o bsd-nextstep.o bsd-snprintf.o bsd-waitpid.o fake-getaddrinfo.o fake-getnameinfo.o
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@ -0,0 +1,209 @@
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/* $OpenBSD: inet_ntop.c,v 1.1 1997/03/13 19:07:32 downsj Exp $ */
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/* Copyright (c) 1996 by Internet Software Consortium.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
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* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
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* CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
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* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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* SOFTWARE.
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*/
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#include "config.h"
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#ifndef HAVE_INET_NTOP
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#if defined(LIBC_SCCS) && !defined(lint)
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#if 0
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static char rcsid[] = "$From: inet_ntop.c,v 8.7 1996/08/05 08:41:18 vixie Exp $";
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#else
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static char rcsid[] = "$OpenBSD: inet_ntop.c,v 1.1 1997/03/13 19:07:32 downsj Exp $";
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#endif
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#endif /* LIBC_SCCS and not lint */
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#include <sys/param.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include "openbsd-compat/fake-socket.h"
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <arpa/nameser.h>
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#include <string.h>
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#include <errno.h>
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#include <stdio.h>
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#ifndef IN6ADDRSZ
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#define IN6ADDRSZ 16 /* IPv6 T_AAAA */
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#endif
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#ifndef INT16SZ
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#define INT16SZ 2 /* for systems without 16-bit ints */
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#endif
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/*
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* WARNING: Don't even consider trying to compile this on a system where
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* sizeof(int) < 4. sizeof(int) > 4 is fine; all the world's not a VAX.
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*/
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static const char *inet_ntop4 __P((const u_char *src, char *dst, size_t size));
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static const char *inet_ntop6 __P((const u_char *src, char *dst, size_t size));
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/* char *
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* inet_ntop(af, src, dst, size)
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* convert a network format address to presentation format.
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* return:
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* pointer to presentation format address (`dst'), or NULL (see errno).
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* author:
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* Paul Vixie, 1996.
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*/
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const char *
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inet_ntop(af, src, dst, size)
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int af;
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const void *src;
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char *dst;
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size_t size;
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{
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switch (af) {
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case AF_INET:
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return (inet_ntop4(src, dst, size));
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case AF_INET6:
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return (inet_ntop6(src, dst, size));
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default:
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errno = EAFNOSUPPORT;
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return (NULL);
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}
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/* NOTREACHED */
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}
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/* const char *
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* inet_ntop4(src, dst, size)
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* format an IPv4 address, more or less like inet_ntoa()
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* return:
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* `dst' (as a const)
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* notes:
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* (1) uses no statics
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* (2) takes a u_char* not an in_addr as input
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* author:
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* Paul Vixie, 1996.
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*/
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static const char *
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inet_ntop4(src, dst, size)
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const u_char *src;
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char *dst;
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size_t size;
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{
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static const char fmt[] = "%u.%u.%u.%u";
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char tmp[sizeof "255.255.255.255"];
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if (sprintf(tmp, fmt, src[0], src[1], src[2], src[3]) > size) {
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errno = ENOSPC;
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return (NULL);
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}
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strcpy(dst, tmp);
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return (dst);
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}
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/* const char *
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* inet_ntop6(src, dst, size)
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* convert IPv6 binary address into presentation (printable) format
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* author:
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* Paul Vixie, 1996.
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*/
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static const char *
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inet_ntop6(src, dst, size)
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const u_char *src;
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char *dst;
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size_t size;
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{
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/*
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* Note that int32_t and int16_t need only be "at least" large enough
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* to contain a value of the specified size. On some systems, like
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* Crays, there is no such thing as an integer variable with 16 bits.
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* Keep this in mind if you think this function should have been coded
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* to use pointer overlays. All the world's not a VAX.
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*/
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char tmp[sizeof "ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255"], *tp;
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struct { int base, len; } best, cur;
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u_int words[IN6ADDRSZ / INT16SZ];
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int i;
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/*
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* Preprocess:
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* Copy the input (bytewise) array into a wordwise array.
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* Find the longest run of 0x00's in src[] for :: shorthanding.
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*/
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memset(words, '\0', sizeof words);
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for (i = 0; i < IN6ADDRSZ; i++)
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words[i / 2] |= (src[i] << ((1 - (i % 2)) << 3));
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best.base = -1;
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cur.base = -1;
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for (i = 0; i < (IN6ADDRSZ / INT16SZ); i++) {
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if (words[i] == 0) {
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if (cur.base == -1)
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cur.base = i, cur.len = 1;
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else
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cur.len++;
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} else {
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if (cur.base != -1) {
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if (best.base == -1 || cur.len > best.len)
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best = cur;
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cur.base = -1;
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}
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}
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}
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if (cur.base != -1) {
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if (best.base == -1 || cur.len > best.len)
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best = cur;
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}
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if (best.base != -1 && best.len < 2)
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best.base = -1;
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/*
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* Format the result.
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*/
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tp = tmp;
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for (i = 0; i < (IN6ADDRSZ / INT16SZ); i++) {
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/* Are we inside the best run of 0x00's? */
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if (best.base != -1 && i >= best.base &&
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i < (best.base + best.len)) {
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if (i == best.base)
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*tp++ = ':';
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continue;
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}
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/* Are we following an initial run of 0x00s or any real hex? */
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if (i != 0)
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*tp++ = ':';
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/* Is this address an encapsulated IPv4? */
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if (i == 6 && best.base == 0 &&
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(best.len == 6 || (best.len == 5 && words[5] == 0xffff))) {
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if (!inet_ntop4(src+12, tp, sizeof tmp - (tp - tmp)))
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return (NULL);
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tp += strlen(tp);
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break;
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}
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tp += sprintf(tp, "%x", words[i]);
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}
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/* Was it a trailing run of 0x00's? */
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if (best.base != -1 && (best.base + best.len) == (IN6ADDRSZ / INT16SZ))
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*tp++ = ':';
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*tp++ = '\0';
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/*
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* Check for overflow, copy, and we're done.
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*/
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if ((size_t)(tp - tmp) > size) {
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errno = ENOSPC;
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return (NULL);
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}
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strcpy(dst, tmp);
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return (dst);
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}
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#endif /* !HAVE_INET_NTOP */
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@ -0,0 +1,13 @@
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/* $Id: inet_ntop.h,v 1.1 2001/04/12 21:35:53 mouring Exp $ */
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#ifndef _BSD_RRESVPORT_H
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#define _BSD_RRESVPORT_H
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#include "config.h"
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#ifndef HAVE_INET_NTOP
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const char *
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inet_ntop(int af, const void *src, char *dst, size_t size);
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#endif /* !HAVE_INET_NTOP */
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#endif /* _BSD_RRESVPORT_H */
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@ -1,4 +1,4 @@
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/* $Id: openbsd-compat.h,v 1.5 2001/03/18 23:09:28 djm Exp $ */
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/* $Id: openbsd-compat.h,v 1.6 2001/04/12 21:35:54 mouring Exp $ */
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#ifndef _OPENBSD_H
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#define _OPENBSD_H
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@ -19,6 +19,7 @@
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#include "sigact.h"
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#include "inet_aton.h"
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#include "inet_ntoa.h"
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#include "inet_ntop.h"
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#include "strsep.h"
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#include "strtok.h"
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#include "vis.h"
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