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// 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_timewait)
{
struct sockaddr_in addr;
socklen_t addrlen;
};
FIXTURE_VARIANT(bind_timewait)
{
__u32 addr_const;
};
FIXTURE_VARIANT_ADD(bind_timewait, localhost)
{
.addr_const = INADDR_LOOPBACK
};
FIXTURE_VARIANT_ADD(bind_timewait, addrany)
{
.addr_const = INADDR_ANY
};
FIXTURE_SETUP(bind_timewait)
{
self->addr.sin_family = AF_INET;
self->addr.sin_port = 0;
self->addr.sin_addr.s_addr = htonl(variant->addr_const);
self->addrlen = sizeof(self->addr);
}
FIXTURE_TEARDOWN(bind_timewait)
{
}
void create_timewait_socket(struct __test_metadata *_metadata,
FIXTURE_DATA(bind_timewait) *self)
{
int server_fd, client_fd, child_fd, ret;
struct sockaddr_in addr;
socklen_t addrlen;
server_fd = socket(AF_INET, SOCK_STREAM, 0);
ASSERT_GT(server_fd, 0);
ret = bind(server_fd, (struct sockaddr *)&self->addr, self->addrlen);
ASSERT_EQ(ret, 0);
ret = listen(server_fd, 1);
ASSERT_EQ(ret, 0);
ret = getsockname(server_fd, (struct sockaddr *)&self->addr, &self->addrlen);
ASSERT_EQ(ret, 0);
client_fd = socket(AF_INET, SOCK_STREAM, 0);
ASSERT_GT(client_fd, 0);
ret = connect(client_fd, (struct sockaddr *)&self->addr, self->addrlen);
ASSERT_EQ(ret, 0);
addrlen = sizeof(addr);
child_fd = accept(server_fd, (struct sockaddr *)&addr, &addrlen);
ASSERT_GT(child_fd, 0);
close(child_fd);
close(client_fd);
close(server_fd);
}
TEST_F(bind_timewait, 1)
{
int fd, ret;
create_timewait_socket(_metadata, self);
fd = socket(AF_INET, SOCK_STREAM, 0);
ASSERT_GT(fd, 0);
ret = bind(fd, (struct sockaddr *)&self->addr, self->addrlen);
ASSERT_EQ(ret, -1);
ASSERT_EQ(errno, EADDRINUSE);
close(fd);
}
TEST_HARNESS_MAIN
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