| // 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" |
| |
| FIXTURE(bind_wildcard) |
| { |
| struct sockaddr_in addr4; |
| struct sockaddr_in6 addr6; |
| int expected_errno; |
| }; |
| |
| FIXTURE_VARIANT(bind_wildcard) |
| { |
| const __u32 addr4_const; |
| const struct in6_addr *addr6_const; |
| }; |
| |
| FIXTURE_VARIANT_ADD(bind_wildcard, v4_any_v6_any) |
| { |
| .addr4_const = INADDR_ANY, |
| .addr6_const = &in6addr_any, |
| }; |
| |
| FIXTURE_VARIANT_ADD(bind_wildcard, v4_any_v6_local) |
| { |
| .addr4_const = INADDR_ANY, |
| .addr6_const = &in6addr_loopback, |
| }; |
| |
| FIXTURE_VARIANT_ADD(bind_wildcard, v4_local_v6_any) |
| { |
| .addr4_const = INADDR_LOOPBACK, |
| .addr6_const = &in6addr_any, |
| }; |
| |
| FIXTURE_VARIANT_ADD(bind_wildcard, v4_local_v6_local) |
| { |
| .addr4_const = INADDR_LOOPBACK, |
| .addr6_const = &in6addr_loopback, |
| }; |
| |
| FIXTURE_SETUP(bind_wildcard) |
| { |
| self->addr4.sin_family = AF_INET; |
| self->addr4.sin_port = htons(0); |
| self->addr4.sin_addr.s_addr = htonl(variant->addr4_const); |
| |
| self->addr6.sin6_family = AF_INET6; |
| self->addr6.sin6_port = htons(0); |
| self->addr6.sin6_addr = *variant->addr6_const; |
| |
| if (variant->addr6_const == &in6addr_any) |
| self->expected_errno = EADDRINUSE; |
| else |
| self->expected_errno = 0; |
| } |
| |
| FIXTURE_TEARDOWN(bind_wildcard) |
| { |
| } |
| |
| void bind_sockets(struct __test_metadata *_metadata, |
| FIXTURE_DATA(bind_wildcard) *self, |
| struct sockaddr *addr1, socklen_t addrlen1, |
| struct sockaddr *addr2, socklen_t addrlen2) |
| { |
| int fd[2]; |
| int ret; |
| |
| fd[0] = socket(addr1->sa_family, SOCK_STREAM, 0); |
| ASSERT_GT(fd[0], 0); |
| |
| ret = bind(fd[0], addr1, addrlen1); |
| ASSERT_EQ(ret, 0); |
| |
| ret = getsockname(fd[0], addr1, &addrlen1); |
| ASSERT_EQ(ret, 0); |
| |
| ((struct sockaddr_in *)addr2)->sin_port = ((struct sockaddr_in *)addr1)->sin_port; |
| |
| fd[1] = socket(addr2->sa_family, SOCK_STREAM, 0); |
| ASSERT_GT(fd[1], 0); |
| |
| ret = bind(fd[1], addr2, addrlen2); |
| if (self->expected_errno) { |
| ASSERT_EQ(ret, -1); |
| ASSERT_EQ(errno, self->expected_errno); |
| } else { |
| ASSERT_EQ(ret, 0); |
| } |
| |
| close(fd[1]); |
| close(fd[0]); |
| } |
| |
| TEST_F(bind_wildcard, v4_v6) |
| { |
| bind_sockets(_metadata, self, |
| (struct sockaddr *)&self->addr4, sizeof(self->addr6), |
| (struct sockaddr *)&self->addr6, sizeof(self->addr6)); |
| } |
| |
| TEST_F(bind_wildcard, v6_v4) |
| { |
| bind_sockets(_metadata, self, |
| (struct sockaddr *)&self->addr6, sizeof(self->addr6), |
| (struct sockaddr *)&self->addr4, sizeof(self->addr4)); |
| } |
| |
| TEST_HARNESS_MAIN |