asterinas/test/apps/network/unix_err.c
2024-08-05 10:24:56 +08:00

79 lines
2.8 KiB
C

// SPDX-License-Identifier: MPL-2.0
#include <sys/socket.h>
#include <sys/un.h>
#include <sys/poll.h>
#include <unistd.h>
#include <stddef.h>
#include "test.h"
#define PATH_OFFSET offsetof(struct sockaddr_un, sun_path)
FN_TEST(socket_addresses)
{
int sk;
socklen_t addrlen;
struct sockaddr_un addr;
#define MIN(a, b) ((a) < (b) ? (a) : (b))
#define MAKE_TEST(path, path_copy_len, path_len_to_kernel, path_buf_len, \
path_len_from_kernel, path_from_kernel) \
sk = TEST_SUCC(socket(PF_UNIX, SOCK_STREAM, 0)); \
\
memset(&addr, 0, sizeof(addr)); \
addr.sun_family = AF_UNIX; \
memcpy(addr.sun_path, path, path_copy_len); \
\
TEST_SUCC(bind(sk, (struct sockaddr *)&addr, \
PATH_OFFSET + path_len_to_kernel)); \
\
memset(&addr, 0, sizeof(addr)); \
\
addrlen = path_buf_len + PATH_OFFSET; \
TEST_RES( \
getsockname(sk, (struct sockaddr *)&addr, &addrlen), \
addrlen == PATH_OFFSET + path_len_from_kernel && \
0 == memcmp(addr.sun_path, path_from_kernel, \
MIN(path_buf_len, path_len_from_kernel))); \
\
TEST_SUCC(close(sk));
#define LONG_PATH \
"/tmp/AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
_Static_assert(sizeof(LONG_PATH) == sizeof(addr.sun_path),
"LONG_PATH has a wrong length");
MAKE_TEST("/tmp/R0", 8, 8, 8, 8, "/tmp/R0");
MAKE_TEST("/tmp/R1", 8, 9, 8, 8, "/tmp/R1");
MAKE_TEST("/tmp/R2", 6, 6, 8, 7, "/tmp/R");
MAKE_TEST("/tmp/R3", 7, 7, 8, 8, "/tmp/R3");
MAKE_TEST("/tmp/R4", 7, 7, 7, 8, "/tmp/R4");
MAKE_TEST("/tmp/R5", 7, 7, 6, 8, "/tmp/R");
MAKE_TEST("/tmp/R6", 7, 7, 0, 8, "");
MAKE_TEST(LONG_PATH, 107, 107, 108, 108, LONG_PATH);
MAKE_TEST(LONG_PATH "a", 108, 108, 108, 109, LONG_PATH "a");
#undef LONG_PATH
#undef MAKE_TEST
sk = TEST_SUCC(socket(PF_UNIX, SOCK_STREAM, 0));
TEST_ERRNO(bind(sk, (struct sockaddr *)&addr, -1), EINVAL);
TEST_ERRNO(bind(sk, (struct sockaddr *)&addr, PATH_OFFSET - 1), EINVAL);
TEST_ERRNO(bind(sk, (struct sockaddr *)&addr, sizeof(addr) + 1),
EINVAL);
TEST_SUCC(close(sk));
}
END_TEST()