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test-util-sockets: Test the complete abstract socket matrix

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The test covers only two out of nine combinations.  Test all nine.
Four turn out to be broken.  Marked /* BUG */.

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
This commit is contained in:
Markus Armbruster 2020-11-02 10:44:17 +01:00 committed by Daniel P. Berrangé
parent 39458d4e30
commit a72f6754a1
1 changed files with 63 additions and 24 deletions
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87
tests/test-util-sockets.c
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@ -230,60 +230,99 @@ static void test_socket_fd_pass_num_nocli(void)
#endif
#ifdef __linux__
#define ABSTRACT_SOCKET_VARIANTS 3
typedef struct {
SocketAddress *server, *client[ABSTRACT_SOCKET_VARIANTS];
bool expect_connect[ABSTRACT_SOCKET_VARIANTS];
} abstract_socket_matrix_row;
static gpointer unix_client_thread_func(gpointer user_data)
{
SocketAddress *addr = user_data;
int fd;
abstract_socket_matrix_row *row = user_data;
Error *err = NULL;
int i, fd;
fd = socket_connect(addr, &error_abort);
g_assert_cmpint(fd, >=, 0);
close(fd);
for (i = 0; i < ABSTRACT_SOCKET_VARIANTS; i++) {
if (row->expect_connect[i]) {
fd = socket_connect(row->client[i], &error_abort);
g_assert_cmpint(fd, >=, 0);
} else {
fd = socket_connect(row->client[i], &err);
g_assert_cmpint(fd, ==, -1);
error_free_or_abort(&err);
}
close(fd);
}
return NULL;
}
static void test_socket_unix_abstract_one(SocketAddress *addr)
static void test_socket_unix_abstract_row(abstract_socket_matrix_row *test)
{
int fd, connfd;
int fd, connfd, i;
GThread *cli;
struct sockaddr_un un;
socklen_t len = sizeof(un);
fd = socket_listen(addr, 1, &error_abort);
/* Last one must connect, or else accept() below hangs */
assert(test->expect_connect[ABSTRACT_SOCKET_VARIANTS - 1]);
fd = socket_listen(test->server, 1, &error_abort);
g_assert_cmpint(fd, >=, 0);
g_assert(fd_is_socket(fd));
cli = g_thread_new("abstract_unix_client",
unix_client_thread_func,
addr);
test);
connfd = accept(fd, (struct sockaddr *)&un, &len);
g_assert_cmpint(connfd, !=, -1);
close(connfd);
for (i = 0; i < ABSTRACT_SOCKET_VARIANTS; i++) {
if (test->expect_connect[i]) {
connfd = accept(fd, (struct sockaddr *)&un, &len);
g_assert_cmpint(connfd, !=, -1);
close(connfd);
}
}
close(fd);
g_thread_join(cli);
}
static void test_socket_unix_abstract_good(void)
static void test_socket_unix_abstract(void)
{
SocketAddress addr;
SocketAddress addr, addr_tight, addr_padded;
abstract_socket_matrix_row matrix[ABSTRACT_SOCKET_VARIANTS] = {
{ &addr,
{ &addr_tight, &addr_padded, &addr },
{ false /* BUG */, true /* BUG */, true } },
{ &addr_tight,
{ &addr_padded, &addr, &addr_tight },
{ false, false /* BUG */, true } },
{ &addr_padded,
{ &addr, &addr_tight, &addr_padded },
{ true /* BUG */, false, true } }
};
int i;
addr.type = SOCKET_ADDRESS_TYPE_UNIX;
addr.u.q_unix.path = g_strdup_printf("unix-%d-%u",
getpid(), g_random_int());
addr.u.q_unix.has_abstract = true;
addr.u.q_unix.abstract = true;
/* non tight socklen serv and cli */
addr.u.q_unix.has_tight = false;
addr.u.q_unix.tight = false;
test_socket_unix_abstract_one(&addr);
/* tight socklen serv and cli */
addr.u.q_unix.has_tight = true;
addr.u.q_unix.tight = true;
test_socket_unix_abstract_one(&addr);
addr_tight = addr;
addr_tight.u.q_unix.has_tight = true;
addr_tight.u.q_unix.tight = true;
addr_padded = addr;
addr_padded.u.q_unix.has_tight = true;
addr_padded.u.q_unix.tight = false;
for (i = 0; i < ABSTRACT_SOCKET_VARIANTS; i++) {
test_socket_unix_abstract_row(&matrix[i]);
}
g_free(addr.u.q_unix.path);
}
@ -330,8 +369,8 @@ int main(int argc, char **argv)
}
#ifdef __linux__
g_test_add_func("/util/socket/unix-abstract/good",
test_socket_unix_abstract_good);
g_test_add_func("/util/socket/unix-abstract",
test_socket_unix_abstract);
#endif
end: