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| 2 |
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| 3 |
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| 4 | #include <sys/socket.h>
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| 5 | #include <netinet/in.h>
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| 6 |
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| 7 | #include "kselftest_harness.h"
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| 8 |
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| 9 | FIXTURE(bind_timewait)
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| 10 | {
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| 11 | struct sockaddr_in addr;
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| 12 | socklen_t addrlen;
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| 13 | };
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| 14 |
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| 15 | FIXTURE_VARIANT(bind_timewait)
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| 16 | {
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| 17 | __u32 addr_const;
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| 18 | };
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| 19 |
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| 20 | FIXTURE_VARIANT_ADD(bind_timewait, localhost)
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| 21 | {
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| 22 | .addr_const = INADDR_LOOPBACK
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| 23 | };
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| 24 |
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| 25 | FIXTURE_VARIANT_ADD(bind_timewait, addrany)
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| 26 | {
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| 27 | .addr_const = INADDR_ANY
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| 28 | };
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| 29 |
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| 30 | FIXTURE_SETUP(bind_timewait)
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| 31 | {
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| 32 | self->addr.sin_family = AF_INET;
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| 33 | self->addr.sin_port = 0;
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| 34 | self->addr.sin_addr.s_addr = htonl(variant->addr_const);
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| 35 | self->addrlen = sizeof(self->addr);
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| 36 | }
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| 37 |
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| 38 | FIXTURE_TEARDOWN(bind_timewait)
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| 39 | {
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| 40 | }
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| 41 |
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| 42 | void create_timewait_socket(struct __test_metadata *_metadata,
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| 43 | FIXTURE_DATA(bind_timewait) *self)
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| 44 | {
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| 45 | int server_fd, client_fd, child_fd, ret;
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| 46 | struct sockaddr_in addr;
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| 47 | socklen_t addrlen;
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| 48 |
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| 49 | server_fd = socket(AF_INET, SOCK_STREAM, 0);
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| 50 | ASSERT_GT(server_fd, 0);
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| 51 |
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| 52 | ret = bind(server_fd, (struct sockaddr *)&self->addr, self->addrlen);
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| 53 | ASSERT_EQ(ret, 0);
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| 54 |
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| 55 | ret = listen(server_fd, 1);
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| 56 | ASSERT_EQ(ret, 0);
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| 57 |
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| 58 | ret = getsockname(server_fd, (struct sockaddr *)&self->addr, &self->addrlen);
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| 59 | ASSERT_EQ(ret, 0);
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| 60 |
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| 61 | client_fd = socket(AF_INET, SOCK_STREAM, 0);
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| 62 | ASSERT_GT(client_fd, 0);
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| 63 |
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| 64 | ret = connect(client_fd, (struct sockaddr *)&self->addr, self->addrlen);
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| 65 | ASSERT_EQ(ret, 0);
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| 66 |
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| 67 | addrlen = sizeof(addr);
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| 68 | child_fd = accept(server_fd, (struct sockaddr *)&addr, &addrlen);
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| 69 | ASSERT_GT(child_fd, 0);
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| 70 |
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| 71 | close(child_fd);
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| 72 | close(client_fd);
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| 73 | close(server_fd);
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| 74 | }
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| 75 |
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| 76 | TEST_F(bind_timewait, 1)
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| 77 | {
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| 78 | int fd, ret;
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| 79 |
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| 80 | create_timewait_socket(_metadata, self);
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| 81 |
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| 82 | fd = socket(AF_INET, SOCK_STREAM, 0);
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| 83 | ASSERT_GT(fd, 0);
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| 84 |
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| 85 | ret = bind(fd, (struct sockaddr *)&self->addr, self->addrlen);
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| 86 | ASSERT_EQ(ret, -1);
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| 87 | ASSERT_EQ(errno, EADDRINUSE);
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| 88 |
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| 89 | close(fd);
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| 90 | }
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| 91 |
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| 92 | TEST_HARNESS_MAIN
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