381 lines
9.8 KiB
C
381 lines
9.8 KiB
C
/*
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* Tests for util/qemu-sockets.c
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*
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* Copyright 2018 Red Hat, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this library; if not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "qemu/osdep.h"
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#include "qemu/sockets.h"
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#include "qapi/error.h"
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#include "socket-helpers.h"
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#include "monitor/monitor.h"
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static void test_fd_is_socket_bad(void)
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{
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char *tmp = g_strdup("qemu-test-util-sockets-XXXXXX");
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int fd = mkstemp(tmp);
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if (fd != 0) {
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unlink(tmp);
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}
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g_free(tmp);
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g_assert(fd >= 0);
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g_assert(!fd_is_socket(fd));
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close(fd);
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}
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static void test_fd_is_socket_good(void)
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{
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int fd = qemu_socket(PF_INET, SOCK_STREAM, 0);
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g_assert(fd >= 0);
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g_assert(fd_is_socket(fd));
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close(fd);
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}
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static int mon_fd = -1;
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static const char *mon_fdname;
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__thread Monitor *cur_mon;
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int monitor_get_fd(Monitor *mon, const char *fdname, Error **errp)
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{
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g_assert(cur_mon);
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g_assert(mon == cur_mon);
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if (mon_fd == -1 || !g_str_equal(mon_fdname, fdname)) {
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error_setg(errp, "No fd named %s", fdname);
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return -1;
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}
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return dup(mon_fd);
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}
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/*
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* Syms of stubs in libqemuutil.a are discarded at .o file
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* granularity. To replace monitor_get_fd() and monitor_cur(), we
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* must ensure that we also replace any other symbol that is used in
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* the binary and would be taken from the same stub object file,
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* otherwise we get duplicate syms at link time.
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*/
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Monitor *monitor_cur(void) { return cur_mon; }
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Monitor *monitor_set_cur(Coroutine *co, Monitor *mon) { abort(); }
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int monitor_vprintf(Monitor *mon, const char *fmt, va_list ap) { abort(); }
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#ifndef _WIN32
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static void test_socket_fd_pass_name_good(void)
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{
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SocketAddress addr;
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int fd;
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cur_mon = g_malloc(1); /* Fake a monitor */
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mon_fdname = "myfd";
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mon_fd = qemu_socket(AF_INET, SOCK_STREAM, 0);
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g_assert_cmpint(mon_fd, >, STDERR_FILENO);
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addr.type = SOCKET_ADDRESS_TYPE_FD;
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addr.u.fd.str = g_strdup(mon_fdname);
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fd = socket_connect(&addr, &error_abort);
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g_assert_cmpint(fd, !=, -1);
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g_assert_cmpint(fd, !=, mon_fd);
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close(fd);
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fd = socket_listen(&addr, 1, &error_abort);
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g_assert_cmpint(fd, !=, -1);
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g_assert_cmpint(fd, !=, mon_fd);
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close(fd);
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g_free(addr.u.fd.str);
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mon_fdname = NULL;
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close(mon_fd);
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mon_fd = -1;
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g_free(cur_mon);
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cur_mon = NULL;
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}
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static void test_socket_fd_pass_name_bad(void)
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{
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SocketAddress addr;
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Error *err = NULL;
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int fd;
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cur_mon = g_malloc(1); /* Fake a monitor */
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mon_fdname = "myfd";
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mon_fd = dup(STDOUT_FILENO);
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g_assert_cmpint(mon_fd, >, STDERR_FILENO);
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addr.type = SOCKET_ADDRESS_TYPE_FD;
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addr.u.fd.str = g_strdup(mon_fdname);
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fd = socket_connect(&addr, &err);
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g_assert_cmpint(fd, ==, -1);
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error_free_or_abort(&err);
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fd = socket_listen(&addr, 1, &err);
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g_assert_cmpint(fd, ==, -1);
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error_free_or_abort(&err);
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g_free(addr.u.fd.str);
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mon_fdname = NULL;
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close(mon_fd);
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mon_fd = -1;
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g_free(cur_mon);
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cur_mon = NULL;
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}
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static void test_socket_fd_pass_name_nomon(void)
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{
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SocketAddress addr;
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Error *err = NULL;
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int fd;
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g_assert(cur_mon == NULL);
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addr.type = SOCKET_ADDRESS_TYPE_FD;
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addr.u.fd.str = g_strdup("myfd");
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fd = socket_connect(&addr, &err);
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g_assert_cmpint(fd, ==, -1);
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error_free_or_abort(&err);
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fd = socket_listen(&addr, 1, &err);
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g_assert_cmpint(fd, ==, -1);
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error_free_or_abort(&err);
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g_free(addr.u.fd.str);
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}
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static void test_socket_fd_pass_num_good(void)
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{
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SocketAddress addr;
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int fd, sfd;
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g_assert(cur_mon == NULL);
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sfd = qemu_socket(AF_INET, SOCK_STREAM, 0);
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g_assert_cmpint(sfd, >, STDERR_FILENO);
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addr.type = SOCKET_ADDRESS_TYPE_FD;
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addr.u.fd.str = g_strdup_printf("%d", sfd);
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fd = socket_connect(&addr, &error_abort);
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g_assert_cmpint(fd, ==, sfd);
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fd = socket_listen(&addr, 1, &error_abort);
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g_assert_cmpint(fd, ==, sfd);
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g_free(addr.u.fd.str);
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close(sfd);
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}
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static void test_socket_fd_pass_num_bad(void)
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{
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SocketAddress addr;
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Error *err = NULL;
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int fd, sfd;
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g_assert(cur_mon == NULL);
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sfd = dup(STDOUT_FILENO);
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addr.type = SOCKET_ADDRESS_TYPE_FD;
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addr.u.fd.str = g_strdup_printf("%d", sfd);
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fd = socket_connect(&addr, &err);
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g_assert_cmpint(fd, ==, -1);
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error_free_or_abort(&err);
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fd = socket_listen(&addr, 1, &err);
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g_assert_cmpint(fd, ==, -1);
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error_free_or_abort(&err);
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g_free(addr.u.fd.str);
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close(sfd);
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}
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static void test_socket_fd_pass_num_nocli(void)
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{
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SocketAddress addr;
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Error *err = NULL;
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int fd;
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cur_mon = g_malloc(1); /* Fake a monitor */
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addr.type = SOCKET_ADDRESS_TYPE_FD;
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addr.u.fd.str = g_strdup_printf("%d", STDOUT_FILENO);
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fd = socket_connect(&addr, &err);
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g_assert_cmpint(fd, ==, -1);
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error_free_or_abort(&err);
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fd = socket_listen(&addr, 1, &err);
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g_assert_cmpint(fd, ==, -1);
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error_free_or_abort(&err);
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g_free(addr.u.fd.str);
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}
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#endif
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#ifdef CONFIG_LINUX
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#define ABSTRACT_SOCKET_VARIANTS 3
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typedef struct {
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SocketAddress *server, *client[ABSTRACT_SOCKET_VARIANTS];
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bool expect_connect[ABSTRACT_SOCKET_VARIANTS];
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} abstract_socket_matrix_row;
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static gpointer unix_client_thread_func(gpointer user_data)
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{
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abstract_socket_matrix_row *row = user_data;
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Error *err = NULL;
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int i, fd;
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for (i = 0; i < ABSTRACT_SOCKET_VARIANTS; i++) {
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if (row->expect_connect[i]) {
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fd = socket_connect(row->client[i], &error_abort);
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g_assert_cmpint(fd, >=, 0);
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} else {
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fd = socket_connect(row->client[i], &err);
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g_assert_cmpint(fd, ==, -1);
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error_free_or_abort(&err);
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}
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close(fd);
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}
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return NULL;
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}
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static void test_socket_unix_abstract_row(abstract_socket_matrix_row *test)
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{
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int fd, connfd, i;
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GThread *cli;
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struct sockaddr_un un;
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socklen_t len = sizeof(un);
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/* Last one must connect, or else accept() below hangs */
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assert(test->expect_connect[ABSTRACT_SOCKET_VARIANTS - 1]);
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fd = socket_listen(test->server, 1, &error_abort);
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g_assert_cmpint(fd, >=, 0);
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g_assert(fd_is_socket(fd));
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cli = g_thread_new("abstract_unix_client",
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unix_client_thread_func,
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test);
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for (i = 0; i < ABSTRACT_SOCKET_VARIANTS; i++) {
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if (test->expect_connect[i]) {
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connfd = accept(fd, (struct sockaddr *)&un, &len);
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g_assert_cmpint(connfd, !=, -1);
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close(connfd);
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}
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}
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close(fd);
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g_thread_join(cli);
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}
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static void test_socket_unix_abstract(void)
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{
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SocketAddress addr, addr_tight, addr_padded;
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abstract_socket_matrix_row matrix[ABSTRACT_SOCKET_VARIANTS] = {
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{ &addr,
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{ &addr_tight, &addr_padded, &addr },
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{ true, false, true } },
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{ &addr_tight,
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{ &addr_padded, &addr, &addr_tight },
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{ false, true, true } },
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{ &addr_padded,
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{ &addr, &addr_tight, &addr_padded },
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{ false, false, true } }
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};
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int i;
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i = g_file_open_tmp("unix-XXXXXX", &addr.u.q_unix.path, NULL);
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g_assert_true(i >= 0);
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close(i);
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addr.type = SOCKET_ADDRESS_TYPE_UNIX;
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addr.u.q_unix.has_abstract = true;
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addr.u.q_unix.abstract = true;
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addr.u.q_unix.has_tight = false;
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addr.u.q_unix.tight = false;
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addr_tight = addr;
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addr_tight.u.q_unix.has_tight = true;
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addr_tight.u.q_unix.tight = true;
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addr_padded = addr;
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addr_padded.u.q_unix.has_tight = true;
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addr_padded.u.q_unix.tight = false;
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for (i = 0; i < ABSTRACT_SOCKET_VARIANTS; i++) {
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test_socket_unix_abstract_row(&matrix[i]);
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}
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g_free(addr.u.q_unix.path);
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}
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#endif /* CONFIG_LINUX */
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int main(int argc, char **argv)
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{
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bool has_ipv4, has_ipv6;
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qemu_init_main_loop(&error_abort);
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socket_init();
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g_test_init(&argc, &argv, NULL);
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/* We're creating actual IPv4/6 sockets, so we should
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* check if the host running tests actually supports
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* each protocol to avoid breaking tests on machines
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* with either IPv4 or IPv6 disabled.
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*/
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if (socket_check_protocol_support(&has_ipv4, &has_ipv6) < 0) {
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g_printerr("socket_check_protocol_support() failed\n");
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goto end;
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}
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if (has_ipv4) {
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g_test_add_func("/util/socket/is-socket/bad",
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test_fd_is_socket_bad);
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g_test_add_func("/util/socket/is-socket/good",
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test_fd_is_socket_good);
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#ifndef _WIN32
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g_test_add_func("/socket/fd-pass/name/good",
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test_socket_fd_pass_name_good);
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g_test_add_func("/socket/fd-pass/name/bad",
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test_socket_fd_pass_name_bad);
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g_test_add_func("/socket/fd-pass/name/nomon",
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test_socket_fd_pass_name_nomon);
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g_test_add_func("/socket/fd-pass/num/good",
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test_socket_fd_pass_num_good);
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g_test_add_func("/socket/fd-pass/num/bad",
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test_socket_fd_pass_num_bad);
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g_test_add_func("/socket/fd-pass/num/nocli",
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test_socket_fd_pass_num_nocli);
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#endif
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}
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#ifdef CONFIG_LINUX
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g_test_add_func("/util/socket/unix-abstract",
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test_socket_unix_abstract);
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#endif
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end:
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return g_test_run();
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}
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