/*
* Tests for util/qemu-sockets.c
*
* Copyright 2018 Red Hat, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this library; if not, see <http://www.gnu.org/licenses/>.
*
*/
#include "qemu/osdep.h"
#include "qemu-common.h"
#include "qemu/sockets.h"
#include "qapi/error.h"
#include "socket-helpers.h"
#include "monitor/monitor.h"
static void test_fd_is_socket_bad(void)
{
char *tmp = g_strdup("qemu-test-util-sockets-XXXXXX");
int fd = mkstemp(tmp);
if (fd != 0) {
unlink(tmp);
}
g_free(tmp);
g_assert(fd >= 0);
g_assert(!fd_is_socket(fd));
close(fd);
}
static void test_fd_is_socket_good(void)
{
int fd = qemu_socket(PF_INET, SOCK_STREAM, 0);
g_assert(fd >= 0);
g_assert(fd_is_socket(fd));
close(fd);
}
static int mon_fd = -1;
static const char *mon_fdname;
__thread Monitor *cur_mon;
int monitor_get_fd(Monitor *mon, const char *fdname, Error **errp)
{
g_assert(cur_mon);
g_assert(mon == cur_mon);
if (mon_fd == -1 || !g_str_equal(mon_fdname, fdname)) {
error_setg(errp, "No fd named %s", fdname);
return -1;
}
return dup(mon_fd);
}
/*
* Syms of stubs in libqemuutil.a are discarded at .o file
* granularity. To replace monitor_get_fd() and monitor_cur(), we
* must ensure that we also replace any other symbol that is used in
* the binary and would be taken from the same stub object file,
* otherwise we get duplicate syms at link time.
*/
Monitor *monitor_cur(void) { return cur_mon; }
int monitor_vprintf(Monitor *mon, const char *fmt, va_list ap) { abort(); }
#ifndef _WIN32
static void test_socket_fd_pass_name_good(void)
{
SocketAddress addr;
int fd;
cur_mon = g_malloc(1); /* Fake a monitor */
mon_fdname = "myfd";
mon_fd = qemu_socket(AF_INET, SOCK_STREAM, 0);
g_assert_cmpint(mon_fd, >, STDERR_FILENO);
addr.type = SOCKET_ADDRESS_TYPE_FD;
addr.u.fd.str = g_strdup(mon_fdname);
fd = socket_connect(&addr, &error_abort);
g_assert_cmpint(fd, !=, -1);
g_assert_cmpint(fd, !=, mon_fd);
close(fd);
fd = socket_listen(&addr, 1, &error_abort);
g_assert_cmpint(fd, !=, -1);
g_assert_cmpint(fd, !=, mon_fd);
close(fd);
g_free(addr.u.fd.str);
mon_fdname = NULL;
close(mon_fd);
mon_fd = -1;
g_free(cur_mon);
cur_mon = NULL;
}
static void test_socket_fd_pass_name_bad(void)
{
SocketAddress addr;
Error *err = NULL;
int fd;
cur_mon = g_malloc(1); /* Fake a monitor */
mon_fdname = "myfd";
mon_fd = dup(STDOUT_FILENO);
g_assert_cmpint(mon_fd, >, STDERR_FILENO);
addr.type = SOCKET_ADDRESS_TYPE_FD;
addr.u.fd.str = g_strdup(mon_fdname);
fd = socket_connect(&addr, &err);
g_assert_cmpint(fd, ==, -1);
error_free_or_abort(&err);
fd = socket_listen(&addr, 1, &err);
g_assert_cmpint(fd, ==, -1);
error_free_or_abort(&err);
g_free(addr.u.fd.str);
mon_fdname = NULL;
close(mon_fd);
mon_fd = -1;
g_free(cur_mon);
cur_mon = NULL;
}
static void test_socket_fd_pass_name_nomon(void)
{
SocketAddress addr;
Error *err = NULL;
int fd;
g_assert(cur_mon == NULL);
addr.type = SOCKET_ADDRESS_TYPE_FD;
addr.u.fd.str = g_strdup("myfd");
fd = socket_connect(&addr, &err);
g_assert_cmpint(fd, ==, -1);
error_free_or_abort(&err);
fd = socket_listen(&addr, 1, &err);
g_assert_cmpint(fd, ==, -1);
error_free_or_abort(&err);
g_free(addr.u.fd.str);
}
static void test_socket_fd_pass_num_good(void)
{
SocketAddress addr;
int fd, sfd;
g_assert(cur_mon == NULL);
sfd = qemu_socket(AF_INET, SOCK_STREAM, 0);
g_assert_cmpint(sfd, >, STDERR_FILENO);
addr.type = SOCKET_ADDRESS_TYPE_FD;
addr.u.fd.str = g_strdup_printf("%d", sfd);
fd = socket_connect(&addr, &error_abort);
g_assert_cmpint(fd, ==, sfd);
fd = socket_listen(&addr, 1, &error_abort);
g_assert_cmpint(fd, ==, sfd);
g_free(addr.u.fd.str);
close(sfd);
}
static void test_socket_fd_pass_num_bad(void)
{
SocketAddress addr;
Error *err = NULL;
int fd, sfd;
g_assert(cur_mon == NULL);
sfd = dup(STDOUT_FILENO);
addr.type = SOCKET_ADDRESS_TYPE_FD;
addr.u.fd.str = g_strdup_printf("%d", sfd);
fd = socket_connect(&addr, &err);
g_assert_cmpint(fd, ==, -1);
error_free_or_abort(&err);
fd = socket_listen(&addr, 1, &err);
g_assert_cmpint(fd, ==, -1);
error_free_or_abort(&err);
g_free(addr.u.fd.str);
close(sfd);
}
static void test_socket_fd_pass_num_nocli(void)
{
SocketAddress addr;
Error *err = NULL;
int fd;
cur_mon = g_malloc(1); /* Fake a monitor */
addr.type = SOCKET_ADDRESS_TYPE_FD;
addr.u.fd.str = g_strdup_printf("%d", STDOUT_FILENO);
fd = socket_connect(&addr, &err);
g_assert_cmpint(fd, ==, -1);
error_free_or_abort(&err);
fd = socket_listen(&addr, 1, &err);
g_assert_cmpint(fd, ==, -1);
error_free_or_abort(&err);
g_free(addr.u.fd.str);
}
#endif
#ifdef __linux__
static gchar *abstract_sock_name;
static gpointer unix_server_thread_func(gpointer user_data)
{
SocketAddress addr;
Error *err = NULL;
int fd = -1;
int connfd = -1;
struct sockaddr_un un;
socklen_t len = sizeof(un);
addr.type = SOCKET_ADDRESS_TYPE_UNIX;
addr.u.q_unix.path = abstract_sock_name;
addr.u.q_unix.tight = user_data != NULL;
addr.u.q_unix.abstract = true;
fd = socket_listen(&addr, 1, &err);
g_assert_cmpint(fd, >=, 0);
g_assert(fd_is_socket(fd));
connfd = accept(fd, (struct sockaddr *)&un, &len);
g_assert_cmpint(connfd, !=, -1);
close(fd);
return NULL;
}
static gpointer unix_client_thread_func(gpointer user_data)
{
SocketAddress addr;
Error *err = NULL;
int fd = -1;
addr.type = SOCKET_ADDRESS_TYPE_UNIX;
addr.u.q_unix.path = abstract_sock_name;
addr.u.q_unix.tight = user_data != NULL;
addr.u.q_unix.abstract = true;
fd = socket_connect(&addr, &err);
g_assert_cmpint(fd, >=, 0);
close(fd);
return NULL;
}
static void test_socket_unix_abstract_good(void)
{
GRand *r = g_rand_new();
abstract_sock_name = g_strdup_printf("unix-%d-%d", getpid(),
g_rand_int_range(r, 100, 1000));
/* non tight socklen serv and cli */
GThread *serv = g_thread_new("abstract_unix_server",
unix_server_thread_func,
NULL);
sleep(1);
GThread *cli = g_thread_new("abstract_unix_client",
unix_client_thread_func,
NULL);
g_thread_join(cli);
g_thread_join(serv);
/* tight socklen serv and cli */
serv = g_thread_new("abstract_unix_server",
unix_server_thread_func,
(gpointer)1);
sleep(1);
cli = g_thread_new("abstract_unix_client",
unix_client_thread_func,
(gpointer)1);
g_thread_join(cli);
g_thread_join(serv);
g_free(abstract_sock_name);
g_rand_free(r);
}
#endif
int main(int argc, char **argv)
{
bool has_ipv4, has_ipv6;
qemu_init_main_loop(&error_abort);
socket_init();
g_test_init(&argc, &argv, NULL);
/* We're creating actual IPv4/6 sockets, so we should
* check if the host running tests actually supports
* each protocol to avoid breaking tests on machines
* with either IPv4 or IPv6 disabled.
*/
if (socket_check_protocol_support(&has_ipv4, &has_ipv6) < 0) {
g_printerr("socket_check_protocol_support() failed\n");
goto end;
}
if (has_ipv4) {
g_test_add_func("/util/socket/is-socket/bad",
test_fd_is_socket_bad);
g_test_add_func("/util/socket/is-socket/good",
test_fd_is_socket_good);
#ifndef _WIN32
g_test_add_func("/socket/fd-pass/name/good",
test_socket_fd_pass_name_good);
g_test_add_func("/socket/fd-pass/name/bad",
test_socket_fd_pass_name_bad);
g_test_add_func("/socket/fd-pass/name/nomon",
test_socket_fd_pass_name_nomon);
g_test_add_func("/socket/fd-pass/num/good",
test_socket_fd_pass_num_good);
g_test_add_func("/socket/fd-pass/num/bad",
test_socket_fd_pass_num_bad);
g_test_add_func("/socket/fd-pass/num/nocli",
test_socket_fd_pass_num_nocli);
#endif
}
#ifdef __linux__
g_test_add_func("/util/socket/unix-abstract/good",
test_socket_unix_abstract_good);
#endif
end:
return g_test_run();
}
