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b55013b1a7
We already have an inany_ntop() function to format inany addresses into text. Add inany_pton() to parse them from text, and use it in conf_ports(). Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
59 lines
1.6 KiB
C
59 lines
1.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later
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* Copyright Red Hat
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* Author: David Gibson <david@gibson.dropbear.id.au>
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*
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* inany.c - Types and helpers for handling addresses which could be
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* IPv6 or IPv4 (encoded as IPv4-mapped IPv6 addresses)
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*/
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#include <stdlib.h>
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#include <stdbool.h>
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#include <assert.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include "util.h"
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#include "ip.h"
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#include "siphash.h"
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#include "inany.h"
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const union inany_addr inany_loopback4 = INANY_INIT4(IN4ADDR_LOOPBACK_INIT);
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const union inany_addr inany_any4 = INANY_INIT4(IN4ADDR_ANY_INIT);
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/** inany_ntop - Convert an IPv[46] address to text format
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* @src: IPv[46] address
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* @dst: output buffer, minimum INANY_ADDRSTRLEN bytes
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* @size: size of buffer at @dst
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*
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* Return: On success, a non-null pointer to @dst, NULL on failure
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*/
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const char *inany_ntop(const union inany_addr *src, char *dst, socklen_t size)
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{
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const struct in_addr *v4 = inany_v4(src);
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if (v4)
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return inet_ntop(AF_INET, v4, dst, size);
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return inet_ntop(AF_INET6, &src->a6, dst, size);
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}
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/** inany_pton - Parse an IPv[46] address from text format
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* @src: IPv[46] address
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* @dst: output buffer, filled with parsed address
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*
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* Return: On success, 1, if no parseable address is found, 0
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*/
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int inany_pton(const char *src, union inany_addr *dst)
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{
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if (inet_pton(AF_INET, src, &dst->v4mapped.a4)) {
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memset(&dst->v4mapped.zero, 0, sizeof(dst->v4mapped.zero));
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memset(&dst->v4mapped.one, 0xff, sizeof(dst->v4mapped.one));
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return 1;
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}
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if (inet_pton(AF_INET6, src, &dst->a6))
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return 1;
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return 0;
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}
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