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-rw-r--r--libpq/inet_net_ntop.c298
1 files changed, 0 insertions, 298 deletions
diff --git a/libpq/inet_net_ntop.c b/libpq/inet_net_ntop.c
deleted file mode 100644
index 047895e..0000000
--- a/libpq/inet_net_ntop.c
+++ /dev/null
@@ -1,298 +0,0 @@
-/*
- * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
- * 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 ISC DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC 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.
- *
- * src/backend/utils/adt/inet_net_ntop.c
- */
-
-#if defined(LIBC_SCCS) && !defined(lint)
-static const char rcsid[] = "Id: inet_net_ntop.c,v 1.1.2.2 2004/03/09 09:17:27 marka Exp $";
-#endif
-
-#ifndef FRONTEND
-#include "postgres.h"
-#else
-#include "postgres_fe.h"
-#endif
-
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-
-#ifndef FRONTEND
-#include "utils/inet.h"
-#else
-/*
- * In a frontend build, we can't include inet.h, but we still need to have
- * sensible definitions of these two constants. Note that inet_net_ntop()
- * assumes that PGSQL_AF_INET is equal to AF_INET.
- */
-#define PGSQL_AF_INET (AF_INET + 0)
-#define PGSQL_AF_INET6 (AF_INET + 1)
-#endif
-
-
-#define NS_IN6ADDRSZ 16
-#define NS_INT16SZ 2
-
-#ifdef SPRINTF_CHAR
-#define SPRINTF(x) strlen(sprintf/**/x)
-#else
-#define SPRINTF(x) ((size_t)sprintf x)
-#endif
-
-static char *inet_net_ntop_ipv4(const u_char *src, int bits,
- char *dst, size_t size);
-static char *inet_net_ntop_ipv6(const u_char *src, int bits,
- char *dst, size_t size);
-
-
-/*
- * char *
- * inet_net_ntop(af, src, bits, dst, size)
- * convert host/network address from network to presentation format.
- * "src"'s size is determined from its "af".
- * return:
- * pointer to dst, or NULL if an error occurred (check errno).
- * note:
- * 192.5.5.1/28 has a nonzero host part, which means it isn't a network
- * as called for by inet_net_pton() but it can be a host address with
- * an included netmask.
- * author:
- * Paul Vixie (ISC), October 1998
- */
-char *
-inet_net_ntop(int af, const void *src, int bits, char *dst, size_t size)
-{
- /*
- * We need to cover both the address family constants used by the PG inet
- * type (PGSQL_AF_INET and PGSQL_AF_INET6) and those used by the system
- * libraries (AF_INET and AF_INET6). We can safely assume PGSQL_AF_INET
- * == AF_INET, but the INET6 constants are very likely to be different. If
- * AF_INET6 isn't defined, silently ignore it.
- */
- switch (af)
- {
- case PGSQL_AF_INET:
- return (inet_net_ntop_ipv4(src, bits, dst, size));
- case PGSQL_AF_INET6:
-#if defined(AF_INET6) && AF_INET6 != PGSQL_AF_INET6
- case AF_INET6:
-#endif
- return (inet_net_ntop_ipv6(src, bits, dst, size));
- default:
- errno = EAFNOSUPPORT;
- return (NULL);
- }
-}
-
-/*
- * static char *
- * inet_net_ntop_ipv4(src, bits, dst, size)
- * convert IPv4 network address from network to presentation format.
- * "src"'s size is determined from its "af".
- * return:
- * pointer to dst, or NULL if an error occurred (check errno).
- * note:
- * network byte order assumed. this means 192.5.5.240/28 has
- * 0b11110000 in its fourth octet.
- * author:
- * Paul Vixie (ISC), October 1998
- */
-static char *
-inet_net_ntop_ipv4(const u_char *src, int bits, char *dst, size_t size)
-{
- char *odst = dst;
- char *t;
- int len = 4;
- int b;
-
- if (bits < 0 || bits > 32)
- {
- errno = EINVAL;
- return (NULL);
- }
-
- /* Always format all four octets, regardless of mask length. */
- for (b = len; b > 0; b--)
- {
- if (size <= sizeof ".255")
- goto emsgsize;
- t = dst;
- if (dst != odst)
- *dst++ = '.';
- dst += SPRINTF((dst, "%u", *src++));
- size -= (size_t) (dst - t);
- }
-
- /* don't print masklen if 32 bits */
- if (bits != 32)
- {
- if (size <= sizeof "/32")
- goto emsgsize;
- dst += SPRINTF((dst, "/%u", bits));
- }
-
- return (odst);
-
-emsgsize:
- errno = EMSGSIZE;
- return (NULL);
-}
-
-static int
-decoct(const u_char *src, int bytes, char *dst, size_t size)
-{
- char *odst = dst;
- char *t;
- int b;
-
- for (b = 1; b <= bytes; b++)
- {
- if (size <= sizeof "255.")
- return (0);
- t = dst;
- dst += SPRINTF((dst, "%u", *src++));
- if (b != bytes)
- {
- *dst++ = '.';
- *dst = '\0';
- }
- size -= (size_t) (dst - t);
- }
- return (dst - odst);
-}
-
-static char *
-inet_net_ntop_ipv6(const u_char *src, int bits, char *dst, size_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:255.255.255.255/128"];
- char *tp;
- struct
- {
- int base,
- len;
- } best, cur;
- u_int words[NS_IN6ADDRSZ / NS_INT16SZ];
- int i;
-
- if ((bits < -1) || (bits > 128))
- {
- errno = EINVAL;
- return (NULL);
- }
-
- /*
- * 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++)
- words[i / 2] |= (src[i] << ((1 - (i % 2)) << 3));
- best.base = -1;
- cur.base = -1;
- best.len = 0;
- cur.len = 0;
- 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 == 7 && words[7] != 0x0001) ||
- (best.len == 5 && words[5] == 0xffff)))
- {
- int n;
-
- n = decoct(src + 12, 4, tp, sizeof tmp - (tp - tmp));
- if (n == 0)
- {
- errno = EMSGSIZE;
- return (NULL);
- }
- tp += strlen(tp);
- break;
- }
- tp += SPRINTF((tp, "%x", words[i]));
- }
-
- /* Was it a trailing run of 0x00's? */
- if (best.base != -1 && (best.base + best.len) ==
- (NS_IN6ADDRSZ / NS_INT16SZ))
- *tp++ = ':';
- *tp = '\0';
-
- if (bits != -1 && bits != 128)
- tp += SPRINTF((tp, "/%u", bits));
-
- /*
- * Check for overflow, copy, and we're done.
- */
- if ((size_t) (tp - tmp) > size)
- {
- errno = EMSGSIZE;
- return (NULL);
- }
- strcpy(dst, tmp);
- return (dst);
-}