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Remove defunct inet files.

nfactor-troky
Con Kolivas 13 years ago
parent
f32a07250f
commit
924425d45b
2 changed files with 0 additions and 504 deletions
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  1. 242
      inet_ntop.h
  2. 262
      inet_pton.h

242
inet_ntop.h
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/* inet_ntop.c -- convert IPv4 and IPv6 addresses from binary to text form
Copyright (C) 2005, 2006 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
/*
* 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.
*/
/*
#include <config.h>
*/
/* Specification. */
/*
#include "inet_ntop.h"
#include <stdio.h>
#include <string.h>
#include <errno.h>
*/
#ifndef EAFNOSUPPORT
# define EAFNOSUPPORT EINVAL
#endif
#define NS_IN6ADDRSZ 16
#define NS_INT16SZ 2
/*
* WARNING: Don't even consider trying to compile this on a system where
* sizeof(int) < 4. sizeof(int) > 4 is fine; all the world's not a VAX.
*/
typedef int verify_int_size[2 * sizeof (int) - 7];
static const char *inet_ntop4 (const unsigned char *src, char *dst, socklen_t size);
#if HAVE_IPV6
static const char *inet_ntop6 (const unsigned char *src, char *dst, socklen_t size);
#endif
/* char *
* inet_ntop(af, src, dst, size)
* convert a network format address to presentation format.
* return:
* pointer to presentation format address (`dst'), or NULL (see errno).
* author:
* Paul Vixie, 1996.
*/
const char *
inet_ntop (int af, const void *restrict src,
char *restrict dst, socklen_t cnt)
{
switch (af)
{
#if HAVE_IPV4
case AF_INET:
return (inet_ntop4 (src, dst, cnt));
#endif
#if HAVE_IPV6
case AF_INET6:
return (inet_ntop6 (src, dst, cnt));
#endif
default:
errno = EAFNOSUPPORT;
return (NULL);
}
/* NOTREACHED */
}
/* const char *
* inet_ntop4(src, dst, size)
* format an IPv4 address
* return:
* `dst' (as a const)
* notes:
* (1) uses no statics
* (2) takes a u_char* not an in_addr as input
* author:
* Paul Vixie, 1996.
*/
static const char *
inet_ntop4 (const unsigned char *src, char *dst, socklen_t size)
{
char tmp[sizeof "255.255.255.255"];
int len;
len = sprintf (tmp, "%u.%u.%u.%u", src[0], src[1], src[2], src[3]);
if (len < 0)
return NULL;
if (len > size)
{
errno = ENOSPC;
return NULL;
}
return strcpy (dst, tmp);
}
#if HAVE_IPV6
/* const char *
* inet_ntop6(src, dst, size)
* convert IPv6 binary address into presentation (printable) format
* author:
* Paul Vixie, 1996.
*/
static const char *
inet_ntop6 (const unsigned char *src, char *dst, socklen_t size)
{
/*
* Note that int32_t and int16_t need only be "at least" large enough
* to contain a value of the specified size. On some systems, like
* Crays, there is no such thing as an integer variable with 16 bits.
* Keep this in mind if you think this function should have been coded
* to use pointer overlays. All the world's not a VAX.
*/
char tmp[sizeof "ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255"], *tp;
struct
{
int base, len;
} best, cur;
unsigned int words[NS_IN6ADDRSZ / NS_INT16SZ];
int i;
/*
* Preprocess:
* Copy the input (bytewise) array into a wordwise array.
* Find the longest run of 0x00's in src[] for :: shorthanding.
*/
memset (words, '\0', sizeof words);
for (i = 0; i < NS_IN6ADDRSZ; i += 2)
words[i / 2] = (src[i] << 8) | src[i + 1];
best.base = -1;
cur.base = -1;
for (i = 0; i < (NS_IN6ADDRSZ / NS_INT16SZ); i++)
{
if (words[i] == 0)
{
if (cur.base == -1)
cur.base = i, cur.len = 1;
else
cur.len++;
}
else
{
if (cur.base != -1)
{
if (best.base == -1 || cur.len > best.len)
best = cur;
cur.base = -1;
}
}
}
if (cur.base != -1)
{
if (best.base == -1 || cur.len > best.len)
best = cur;
}
if (best.base != -1 && best.len < 2)
best.base = -1;
/*
* Format the result.
*/
tp = tmp;
for (i = 0; i < (NS_IN6ADDRSZ / NS_INT16SZ); i++)
{
/* Are we inside the best run of 0x00's? */
if (best.base != -1 && i >= best.base && i < (best.base + best.len))
{
if (i == best.base)
*tp++ = ':';
continue;
}
/* Are we following an initial run of 0x00s or any real hex? */
if (i != 0)
*tp++ = ':';
/* Is this address an encapsulated IPv4? */
if (i == 6 && best.base == 0 &&
(best.len == 6 || (best.len == 5 && words[5] == 0xffff)))
{
if (!inet_ntop4 (src + 12, tp, sizeof tmp - (tp - tmp)))
return (NULL);
tp += strlen (tp);
break;
}
{
int len = sprintf (tp, "%x", words[i]);
if (len < 0)
return NULL;
tp += len;
}
}
/* Was it a trailing run of 0x00's? */
if (best.base != -1 && (best.base + best.len) ==
(NS_IN6ADDRSZ / NS_INT16SZ))
*tp++ = ':';
*tp++ = '\0';
/*
* Check for overflow, copy, and we're done.
*/
if ((socklen_t) (tp - tmp) > size)
{
errno = ENOSPC;
return NULL;
}
return strcpy (dst, tmp);
}
#endif

262
inet_pton.h
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/* inet_pton.c -- convert IPv4 and IPv6 addresses from text to binary form
Copyright (C) 2006 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
/*
* 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.
*/
/*
#include <config.h>
*/
/* Specification. */
/*
#include "inet_pton.h"
#include <ctype.h>
#include <string.h>
#include <errno.h>
*/
#ifndef EAFNOSUPPORT
# define EAFNOSUPPORT EINVAL
#endif
#define NS_INADDRSZ 4
#define NS_IN6ADDRSZ 16
#define NS_INT16SZ 2
/*
* WARNING: Don't even consider trying to compile this on a system where
* sizeof(int) < 4. sizeof(int) > 4 is fine; all the world's not a VAX.
*/
static int inet_pton4 (const char *src, unsigned char *dst);
#if HAVE_IPV6
static int inet_pton6 (const char *src, unsigned char *dst);
#endif
/* int
* inet_pton(af, src, dst)
* convert from presentation format (which usually means ASCII printable)
* to network format (which is usually some kind of binary format).
* return:
* 1 if the address was valid for the specified address family
* 0 if the address wasn't valid (`dst' is untouched in this case)
* -1 if some other error occurred (`dst' is untouched in this case, too)
* author:
* Paul Vixie, 1996.
*/
int
inet_pton (int af, const char *restrict src, void *restrict dst)
{
switch (af)
{
case AF_INET:
return (inet_pton4 (src, dst));
#if HAVE_IPV6
case AF_INET6:
return (inet_pton6 (src, dst));
#endif
default:
errno = EAFNOSUPPORT;
return (-1);
}
/* NOTREACHED */
}
/* int
* inet_pton4(src, dst)
* like inet_aton() but without all the hexadecimal, octal (with the
* exception of 0) and shorthand.
* return:
* 1 if `src' is a valid dotted quad, else 0.
* notice:
* does not touch `dst' unless it's returning 1.
* author:
* Paul Vixie, 1996.
*/
static int
inet_pton4 (const char *restrict src, unsigned char *restrict dst)
{
int saw_digit, octets, ch;
unsigned char tmp[NS_INADDRSZ], *tp;
saw_digit = 0;
octets = 0;
*(tp = tmp) = 0;
while ((ch = *src++) != '\0')
{
if (ch >= '0' && ch <= '9')
{
unsigned new = *tp * 10 + (ch - '0');
if (saw_digit && *tp == 0)
return (0);
if (new > 255)
return (0);
*tp = new;
if (!saw_digit)
{
if (++octets > 4)
return (0);
saw_digit = 1;
}
}
else if (ch == '.' && saw_digit)
{
if (octets == 4)
return (0);
*++tp = 0;
saw_digit = 0;
}
else
return (0);
}
if (octets < 4)
return (0);
memcpy (dst, tmp, NS_INADDRSZ);
return (1);
}
#if HAVE_IPV6
/* int
* inet_pton6(src, dst)
* convert presentation level address to network order binary form.
* return:
* 1 if `src' is a valid [RFC1884 2.2] address, else 0.
* notice:
* (1) does not touch `dst' unless it's returning 1.
* (2) :: in a full address is silently ignored.
* credit:
* inspired by Mark Andrews.
* author:
* Paul Vixie, 1996.
*/
static int
inet_pton6 (const char *restrict src, unsigned char *restrict dst)
{
static const char xdigits[] = "0123456789abcdef";
unsigned char tmp[NS_IN6ADDRSZ], *tp, *endp, *colonp;
const char *curtok;
int ch, saw_xdigit;
unsigned val;
tp = memset (tmp, '\0', NS_IN6ADDRSZ);
endp = tp + NS_IN6ADDRSZ;
colonp = NULL;
/* Leading :: requires some special handling. */
if (*src == ':')
if (*++src != ':')
return (0);
curtok = src;
saw_xdigit = 0;
val = 0;
while ((ch = tolower (*src++)) != '\0')
{
const char *pch;
pch = strchr (xdigits, ch);
if (pch != NULL)
{
val <<= 4;
val |= (pch - xdigits);
if (val > 0xffff)
return (0);
saw_xdigit = 1;
continue;
}
if (ch == ':')
{
curtok = src;
if (!saw_xdigit)
{
if (colonp)
return (0);
colonp = tp;
continue;
}
else if (*src == '\0')
{
return (0);
}
if (tp + NS_INT16SZ > endp)
return (0);
*tp++ = (u_char) (val >> 8) & 0xff;
*tp++ = (u_char) val & 0xff;
saw_xdigit = 0;
val = 0;
continue;
}
if (ch == '.' && ((tp + NS_INADDRSZ) <= endp) &&
inet_pton4 (curtok, tp) > 0)
{
tp += NS_INADDRSZ;
saw_xdigit = 0;
break; /* '\0' was seen by inet_pton4(). */
}
return (0);
}
if (saw_xdigit)
{
if (tp + NS_INT16SZ > endp)
return (0);
*tp++ = (u_char) (val >> 8) & 0xff;
*tp++ = (u_char) val & 0xff;
}
if (colonp != NULL)
{
/*
* Since some memmove()'s erroneously fail to handle
* overlapping regions, we'll do the shift by hand.
*/
const int n = tp - colonp;
int i;
if (tp == endp)
return (0);
for (i = 1; i <= n; i++)
{
endp[-i] = colonp[n - i];
colonp[n - i] = 0;
}
tp = endp;
}
if (tp != endp)
return (0);
memcpy (dst, tmp, NS_IN6ADDRSZ);
return (1);
}
#endif
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