// SPDX-License-Identifier: GPL-2.0
/* Copyright Amazon.com Inc. or its affiliates. */
#include <sys/socket.h>
#include <netinet/in.h>
#include "../kselftest_harness.h"
static const __u32 in4addr_any = INADDR_ANY;
static const __u32 in4addr_loopback = INADDR_LOOPBACK;
static const struct in6_addr in6addr_v4mapped_any = {
.s6_addr = {
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 255, 255,
0, 0, 0, 0
}
};
static const struct in6_addr in6addr_v4mapped_loopback = {
.s6_addr = {
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 255, 255,
127, 0, 0, 1
}
};
#define NR_SOCKETS 8
FIXTURE(bind_wildcard)
{
int fd[NR_SOCKETS];
socklen_t addrlen[NR_SOCKETS];
union {
struct sockaddr addr;
struct sockaddr_in addr4;
struct sockaddr_in6 addr6;
} addr[NR_SOCKETS];
};
FIXTURE_VARIANT(bind_wildcard)
{
sa_family_t family[2];
const void *addr[2];
bool ipv6_only[2];
/* 6 bind() calls below follow two bind() for the defined 2 addresses:
*
* 0.0.0.0
* 127.0.0.1
* ::
* ::1
* ::ffff:0.0.0.0
* ::ffff:127.0.0.1
*/
int expected_errno[NR_SOCKETS];
int expected_reuse_errno[NR_SOCKETS];
};
/* (IPv4, IPv4) */
FIXTURE_VARIANT_ADD(bind_wildcard, v4_any_v4_local)
{
.family = {AF_INET, AF_INET},
.addr = {&in4addr_any, &in4addr_loopback},
.expected_errno = {0, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, 0,
EADDRINUSE, EADDRINUSE},
.expected_reuse_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, 0,
EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v4_local_v4_any)
{
.family = {AF_INET, AF_INET},
.addr = {&in4addr_loopback, &in4addr_any},
.expected_errno = {0, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, 0,
EADDRINUSE, EADDRINUSE},
.expected_reuse_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, 0,
EADDRINUSE, EADDRINUSE},
};
/* (IPv4, IPv6) */
FIXTURE_VARIANT_ADD(bind_wildcard, v4_any_v6_any)
{
.family = {AF_INET, AF_INET6},
.addr = {&in4addr_any, &in6addr_any},
.expected_errno = {0, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, 0,
EADDRINUSE, EADDRINUSE},
.expected_reuse_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v4_any_v6_any_only)
{
.family = {AF_INET, AF_INET6},
.addr = {&in4addr_any, &in6addr_any},
.ipv6_only = {false, true},
.expected_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
.expected_reuse_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v4_any_v6_local)
{
.family = {AF_INET, AF_INET6},
.addr = {&in4addr_any, &in6addr_loopback},
.expected_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
.expected_reuse_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v4_any_v6_v4mapped_any)
{
.family = {AF_INET, AF_INET6},
.addr = {&in4addr_any, &in6addr_v4mapped_any},
.expected_errno = {0, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, 0,
EADDRINUSE, EADDRINUSE},
.expected_reuse_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, 0,
EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v4_any_v6_v4mapped_local)
{
.family = {AF_INET, AF_INET6},
.addr = {&in4addr_any, &in6addr_v4mapped_loopback},
.expected_errno = {0, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, 0,
EADDRINUSE, EADDRINUSE},
.expected_reuse_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, 0,
EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v4_local_v6_any)
{
.family = {AF_INET, AF_INET6},
.addr = {&in4addr_loopback, &in6addr_any},
.expected_errno = {0, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, 0,
EADDRINUSE, EADDRINUSE},
.expected_reuse_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v4_local_v6_any_only)
{
.family = {AF_INET, AF_INET6},
.addr = {&in4addr_loopback, &in6addr_any},
.ipv6_only = {false, true},
.expected_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
.expected_reuse_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v4_local_v6_local)
{
.family = {AF_INET, AF_INET6},
.addr = {&in4addr_loopback, &in6addr_loopback},
.expected_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
.expected_reuse_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v4_local_v6_v4mapped_any)
{
.family = {AF_INET, AF_INET6},
.addr = {&in4addr_loopback, &in6addr_v4mapped_any},
.expected_errno = {0, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, 0,
EADDRINUSE, EADDRINUSE},
.expected_reuse_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, 0,
EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v4_local_v6_v4mapped_local)
{
.family = {AF_INET, AF_INET6},
.addr = {&in4addr_loopback, &in6addr_v4mapped_loopback},
.expected_errno = {0, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, 0,
EADDRINUSE, EADDRINUSE},
.expected_reuse_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, 0,
EADDRINUSE, EADDRINUSE},
};
/* (IPv6, IPv4) */
FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v4_any)
{
.family = {AF_INET6, AF_INET},
.addr = {&in6addr_any, &in4addr_any},
.expected_errno = {0, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
.expected_reuse_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_only_v4_any)
{
.family = {AF_INET6, AF_INET},
.addr = {&in6addr_any, &in4addr_any},
.ipv6_only = {true, false},
.expected_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
.expected_reuse_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v4_local)
{
.family = {AF_INET6, AF_INET},
.addr = {&in6addr_any, &in4addr_loopback},
.expected_errno = {0, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
.expected_reuse_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_only_v4_local)
{
.family = {AF_INET6, AF_INET},
.addr = {&in6addr_any, &in4addr_loopback},
.ipv6_only = {true, false},
.expected_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
.expected_reuse_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_local_v4_any)
{
.family = {AF_INET6, AF_INET},
.addr = {&in6addr_loopback, &in4addr_any},
.expected_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
.expected_reuse_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_local_v4_local)
{
.family = {AF_INET6, AF_INET},
.addr = {&in6addr_loopback, &in4addr_loopback},
.expected_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
.expected_reuse_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_any_v4_any)
{
.family = {AF_INET6, AF_INET},
.addr = {&in6addr_v4mapped_any, &in4addr_any},
.expected_errno = {0, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, 0,
EADDRINUSE, EADDRINUSE},
.expected_reuse_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, 0,
EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_any_v4_local)
{
.family = {AF_INET6, AF_INET},
.addr = {&in6addr_v4mapped_any, &in4addr_loopback},
.expected_errno = {0, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, 0,
EADDRINUSE, EADDRINUSE},
.expected_reuse_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, 0,
EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_local_v4_any)
{
.family = {AF_INET6, AF_INET},
.addr = {&in6addr_v4mapped_loopback, &in4addr_any},
.expected_errno = {0, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, 0,
EADDRINUSE, EADDRINUSE},
.expected_reuse_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, 0,
EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_local_v4_local)
{
.family = {AF_INET6, AF_INET},
.addr = {&in6addr_v4mapped_loopback, &in4addr_loopback},
.expected_errno = {0, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, 0,
EADDRINUSE, EADDRINUSE},
.expected_reuse_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, 0,
EADDRINUSE, EADDRINUSE},
};
/* (IPv6, IPv6) */
FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v6_any)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_any, &in6addr_any},
.expected_errno = {0, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
.expected_reuse_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_only_v6_any)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_any, &in6addr_any},
.ipv6_only = {true, false},
.expected_errno = {0, EADDRINUSE,
0, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
.expected_reuse_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v6_any_only)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_any, &in6addr_any},
.ipv6_only = {false, true},
.expected_errno = {0, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
.expected_reuse_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_only_v6_any_only)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_any, &in6addr_any},
.ipv6_only = {true, true},
.expected_errno = {0, EADDRINUSE,
0, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
.expected_reuse_errno = {0, 0,
0, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v6_local)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_any, &in6addr_loopback},
.expected_errno = {0, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
.expected_reuse_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_only_v6_local)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_any, &in6addr_loopback},
.ipv6_only = {true, false},
.expected_errno = {0, EADDRINUSE,
0, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
.expected_reuse_errno = {0, 0,
0, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v6_v4mapped_any)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_any, &in6addr_v4mapped_any},
.expected_errno = {0, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
.expected_reuse_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_only_v6_v4mapped_any)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_any, &in6addr_v4mapped_any},
.ipv6_only = {true, false},
.expected_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
.expected_reuse_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v6_v4mapped_local)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_any, &in6addr_v4mapped_loopback},
.expected_errno = {0, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
.expected_reuse_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_only_v6_v4mapped_local)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_any, &in6addr_v4mapped_loopback},
.ipv6_only = {true, false},
.expected_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
.expected_reuse_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_local_v6_any)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_loopback, &in6addr_any},
.expected_errno = {0, EADDRINUSE,
0, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
.expected_reuse_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_local_v6_any_only)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_loopback, &in6addr_any},
.ipv6_only = {false, true},
.expected_errno = {0, EADDRINUSE,
0, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
.expected_reuse_errno = {0, 0,
0, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_local_v6_v4mapped_any)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_loopback, &in6addr_v4mapped_any},
.expected_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
.expected_reuse_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_local_v6_v4mapped_local)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_loopback, &in6addr_v4mapped_loopback},
.expected_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
.expected_reuse_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_any_v6_any)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_v4mapped_any, &in6addr_any},
.expected_errno = {0, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, 0,
EADDRINUSE, EADDRINUSE},
.expected_reuse_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_any_v6_any_only)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_v4mapped_any, &in6addr_any},
.ipv6_only = {false, true},
.expected_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
.expected_reuse_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_any_v6_local)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_v4mapped_any, &in6addr_loopback},
.expected_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
.expected_reuse_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_any_v6_v4mapped_local)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_v4mapped_any, &in6addr_v4mapped_loopback},
.expected_errno = {0, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, 0,
EADDRINUSE, EADDRINUSE},
.expected_reuse_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, 0,
EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_loopback_v6_any)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_v4mapped_loopback, &in6addr_any},
.expected_errno = {0, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, 0,
EADDRINUSE, EADDRINUSE},
.expected_reuse_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_loopback_v6_any_only)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_v4mapped_loopback, &in6addr_any},
.ipv6_only = {false, true},
.expected_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
.expected_reuse_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_loopback_v6_local)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_v4mapped_loopback, &in6addr_loopback},
.expected_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
.expected_reuse_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_loopback_v6_v4mapped_any)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_v4mapped_loopback, &in6addr_v4mapped_any},
.expected_errno = {0, EADDRINUSE,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, 0,
EADDRINUSE, EADDRINUSE},
.expected_reuse_errno = {0, 0,
EADDRINUSE, EADDRINUSE,
EADDRINUSE, 0,
EADDRINUSE, EADDRINUSE},
};
static void setup_addr(FIXTURE_DATA(bind_wildcard) *self, int i,
int family, const void *addr_const)
{
if (family == AF_INET) {
struct sockaddr_in *addr4 = &self->addr[i].addr4;
const __u32 *addr4_const = addr_const;
addr4->sin_family = AF_INET;
addr4->sin_port = htons(0);
addr4->sin_addr.s_addr = htonl(*addr4_const);
self->addrlen[i] = sizeof(struct sockaddr_in);
} else {
struct sockaddr_in6 *addr6 = &self->addr[i].addr6;
const struct in6_addr *addr6_const = addr_const;
addr6->sin6_family = AF_INET6;
addr6->sin6_port = htons(0);
addr6->sin6_addr = *addr6_const;
self->addrlen[i] = sizeof(struct sockaddr_in6);
}
}
FIXTURE_SETUP(bind_wildcard)
{
setup_addr(self, 0, variant->family[0], variant->addr[0]);
setup_addr(self, 1, variant->family[1], variant->addr[1]);
setup_addr(self, 2, AF_INET, &in4addr_any);
setup_addr(self, 3, AF_INET, &in4addr_loopback);
setup_addr(self, 4, AF_INET6, &in6addr_any);
setup_addr(self, 5, AF_INET6, &in6addr_loopback);
setup_addr(self, 6, AF_INET6, &in6addr_v4mapped_any);
setup_addr(self, 7, AF_INET6, &in6addr_v4mapped_loopback);
}
FIXTURE_TEARDOWN(bind_wildcard)
{
int i;
for (i = 0; i < NR_SOCKETS; i++)
close(self->fd[i]);
}
void bind_socket(struct __test_metadata *_metadata,
FIXTURE_DATA(bind_wildcard) *self,
const FIXTURE_VARIANT(bind_wildcard) *variant,
int i, int reuse)
{
int ret;
self->fd[i] = socket(self->addr[i].addr.sa_family, SOCK_STREAM, 0);
ASSERT_GT(self->fd[i], 0);
if (i < 2 && variant->ipv6_only[i]) {
ret = setsockopt(self->fd[i], SOL_IPV6, IPV6_V6ONLY, &(int){1}, sizeof(int));
ASSERT_EQ(ret, 0);
}
if (i < 2 && reuse) {
ret = setsockopt(self->fd[i], SOL_SOCKET, reuse, &(int){1}, sizeof(int));
ASSERT_EQ(ret, 0);
}
self->addr[i].addr4.sin_port = self->addr[0].addr4.sin_port;
ret = bind(self->fd[i], &self->addr[i].addr, self->addrlen[i]);
if (reuse) {
if (variant->expected_reuse_errno[i]) {
ASSERT_EQ(ret, -1);
ASSERT_EQ(errno, variant->expected_reuse_errno[i]);
} else {
ASSERT_EQ(ret, 0);
}
} else {
if (variant->expected_errno[i]) {
ASSERT_EQ(ret, -1);
ASSERT_EQ(errno, variant->expected_errno[i]);
} else {
ASSERT_EQ(ret, 0);
}
}
if (i == 0) {
ret = getsockname(self->fd[0], &self->addr[0].addr, &self->addrlen[0]);
ASSERT_EQ(ret, 0);
}
}
TEST_F(bind_wildcard, plain)
{
int i;
for (i = 0; i < NR_SOCKETS; i++)
bind_socket(_metadata, self, variant, i, 0);
}
TEST_F(bind_wildcard, reuseaddr)
{
int i;
for (i = 0; i < NR_SOCKETS; i++)
bind_socket(_metadata, self, variant, i, SO_REUSEADDR);
}
TEST_F(bind_wildcard, reuseport)
{
int i;
for (i = 0; i < NR_SOCKETS; i++)
bind_socket(_metadata, self, variant, i, SO_REUSEPORT);
}
TEST_HARNESS_MAIN
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