369 lines
9.1 KiB
C
369 lines
9.1 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-common.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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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 __linux__
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static gchar *abstract_sock_name;
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static gpointer unix_server_thread_func(gpointer user_data)
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{
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SocketAddress addr;
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Error *err = NULL;
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int fd = -1;
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int connfd = -1;
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struct sockaddr_un un;
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socklen_t len = sizeof(un);
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addr.type = SOCKET_ADDRESS_TYPE_UNIX;
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addr.u.q_unix.path = abstract_sock_name;
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addr.u.q_unix.tight = user_data != NULL;
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addr.u.q_unix.abstract = true;
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fd = socket_listen(&addr, 1, &err);
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g_assert_cmpint(fd, >=, 0);
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g_assert(fd_is_socket(fd));
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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(fd);
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return NULL;
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}
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static gpointer unix_client_thread_func(gpointer user_data)
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{
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SocketAddress addr;
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Error *err = NULL;
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int fd = -1;
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addr.type = SOCKET_ADDRESS_TYPE_UNIX;
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addr.u.q_unix.path = abstract_sock_name;
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addr.u.q_unix.tight = user_data != NULL;
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addr.u.q_unix.abstract = true;
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fd = socket_connect(&addr, &err);
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g_assert_cmpint(fd, >=, 0);
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close(fd);
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return NULL;
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}
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static void test_socket_unix_abstract_good(void)
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{
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GRand *r = g_rand_new();
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abstract_sock_name = g_strdup_printf("unix-%d-%d", getpid(),
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g_rand_int_range(r, 100, 1000));
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/* non tight socklen serv and cli */
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GThread *serv = g_thread_new("abstract_unix_server",
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unix_server_thread_func,
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NULL);
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sleep(1);
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GThread *cli = g_thread_new("abstract_unix_client",
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unix_client_thread_func,
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NULL);
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g_thread_join(cli);
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g_thread_join(serv);
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/* tight socklen serv and cli */
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serv = g_thread_new("abstract_unix_server",
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unix_server_thread_func,
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(gpointer)1);
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sleep(1);
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cli = g_thread_new("abstract_unix_client",
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unix_client_thread_func,
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(gpointer)1);
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g_thread_join(cli);
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g_thread_join(serv);
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g_free(abstract_sock_name);
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g_rand_free(r);
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}
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#endif
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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 __linux__
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g_test_add_func("/util/socket/unix-abstract/good",
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test_socket_unix_abstract_good);
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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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