mirror of
https://passt.top/passt
synced 2024-11-09 14:19:56 +00:00
a63199832a
This adds some extra inany helpers for comparing an inany address to addresses of a specific family (including special addresses), and building an inany from an IPv4 address (either statically or at runtime). Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
39 lines
1.0 KiB
C
39 lines
1.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later
|
|
* Copyright Red Hat
|
|
* Author: David Gibson <david@gibson.dropbear.id.au>
|
|
*
|
|
* inany.c - Types and helpers for handling addresses which could be
|
|
* IPv6 or IPv4 (encoded as IPv4-mapped IPv6 addresses)
|
|
*/
|
|
|
|
#include <stdlib.h>
|
|
#include <stdbool.h>
|
|
#include <assert.h>
|
|
#include <netinet/in.h>
|
|
#include <arpa/inet.h>
|
|
|
|
#include "util.h"
|
|
#include "ip.h"
|
|
#include "siphash.h"
|
|
#include "inany.h"
|
|
|
|
const union inany_addr inany_loopback4 = INANY_INIT4(IN4ADDR_LOOPBACK_INIT);
|
|
const union inany_addr inany_any4 = INANY_INIT4(IN4ADDR_ANY_INIT);
|
|
|
|
/** inany_ntop - Convert an IPv[46] address to text format
|
|
* @src: IPv[46] address
|
|
* @dst: output buffer, minimum INANY_ADDRSTRLEN bytes
|
|
* @size: size of buffer at @dst
|
|
*
|
|
* Return: On success, a non-null pointer to @dst, NULL on failure
|
|
*/
|
|
const char *inany_ntop(const union inany_addr *src, char *dst, socklen_t size)
|
|
{
|
|
const struct in_addr *v4 = inany_v4(src);
|
|
|
|
if (v4)
|
|
return inet_ntop(AF_INET, v4, dst, size);
|
|
|
|
return inet_ntop(AF_INET6, &src->a6, dst, size);
|
|
}
|