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/*
* Copyright 2023 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <openssl/bio.h>
#include "internal/e_os.h"
#include "internal/sockets.h"
#include "testutil.h"
static int families[] = {
AF_INET,
#if OPENSSL_USE_IPV6
AF_INET6,
#endif
#ifndef OPENSSL_NO_UNIX_SOCK
AF_UNIX
#endif
};
static BIO_ADDR *make_dummy_addr(int family)
{
BIO_ADDR *addr;
union {
struct sockaddr_in sin;
#if OPENSSL_USE_IPV6
struct sockaddr_in6 sin6;
#endif
#ifndef OPENSSL_NO_UNIX_SOCK
struct sockaddr_un sunaddr;
#endif
} sa;
void *where;
size_t wherelen;
/* Fill with a dummy address */
switch(family) {
case AF_INET:
where = &(sa.sin.sin_addr);
wherelen = sizeof(sa.sin.sin_addr);
break;
#if OPENSSL_USE_IPV6
case AF_INET6:
where = &(sa.sin6.sin6_addr);
wherelen = sizeof(sa.sin6.sin6_addr);
break;
#endif
#ifndef OPENSSL_NO_UNIX_SOCK
case AF_UNIX:
where = &(sa.sunaddr.sun_path);
/* BIO_ADDR_rawmake needs an extra byte for a NUL-terminator*/
wherelen = sizeof(sa.sunaddr.sun_path) - 1;
break;
#endif
default:
TEST_error("Unsupported address family");
return 0;
}
/*
* Could be any data, but we make it printable because BIO_ADDR_rawmake
* expects the AF_UNIX address to be a string.
*/
memset(where, 'a', wherelen);
addr = BIO_ADDR_new();
if (!TEST_ptr(addr))
return NULL;
if (!TEST_true(BIO_ADDR_rawmake(addr, family, where, wherelen, 1000))) {
BIO_ADDR_free(addr);
return NULL;
}
return addr;
}
static int bio_addr_is_eq(const BIO_ADDR *a, const BIO_ADDR *b)
{
unsigned char *adata = NULL, *bdata = NULL;
size_t alen, blen;
int ret = 0;
/* True even if a and b are NULL */
if (a == b)
return 1;
/* If one is NULL the other cannot be due to the test above */
if (a == NULL || b == NULL)
return 0;
if (BIO_ADDR_family(a) != BIO_ADDR_family(b))
return 0;
/* Works even with AF_UNIX/AF_UNSPEC which just returns 0 */
if (BIO_ADDR_rawport(a) != BIO_ADDR_rawport(b))
return 0;
if (!BIO_ADDR_rawaddress(a, NULL, &alen))
return 0;
if (!BIO_ADDR_rawaddress(b, NULL, &blen))
goto err;
if (alen != blen)
return 0;
if (alen == 0)
return 1;
adata = OPENSSL_malloc(alen);
if (!TEST_ptr(adata)
|| !BIO_ADDR_rawaddress(a, adata, &alen))
goto err;
bdata = OPENSSL_malloc(blen);
if (!TEST_ptr(bdata)
|| !BIO_ADDR_rawaddress(b, bdata, &blen))
goto err;
ret = (memcmp(adata, bdata, alen) == 0);
err:
OPENSSL_free(adata);
OPENSSL_free(bdata);
return ret;
}
static int test_bio_addr_copy_dup(int idx)
{
BIO_ADDR *src = NULL, *dst = NULL;
int ret = 0;
int docopy = idx & 1;
idx >>= 1;
src = make_dummy_addr(families[idx]);
if (!TEST_ptr(src))
return 0;
if (docopy) {
dst = BIO_ADDR_new();
if (!TEST_ptr(dst))
goto err;
if (!TEST_true(BIO_ADDR_copy(dst, src)))
goto err;
} else {
dst = BIO_ADDR_dup(src);
if (!TEST_ptr(dst))
goto err;
}
if (!TEST_true(bio_addr_is_eq(src, dst)))
goto err;
ret = 1;
err:
BIO_ADDR_free(src);
BIO_ADDR_free(dst);
return ret;
}
int setup_tests(void)
{
if (!test_skip_common_options()) {
TEST_error("Error parsing test options\n");
return 0;
}
ADD_ALL_TESTS(test_bio_addr_copy_dup, OSSL_NELEM(families) * 2);
return 1;
}
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