| /* |
| * QEMU I/O channel sockets test |
| * |
| * Copyright (c) 2015-2016 Red Hat, Inc. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library 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 |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, see <http://www.gnu.org/licenses/>. |
| * |
| */ |
| |
| #include "qemu/osdep.h" |
| #include "io/channel-socket.h" |
| #include "io/channel-util.h" |
| #include "io-channel-helpers.h" |
| #include "qapi/error.h" |
| |
| #ifndef AI_ADDRCONFIG |
| # define AI_ADDRCONFIG 0 |
| #endif |
| #ifndef EAI_ADDRFAMILY |
| # define EAI_ADDRFAMILY 0 |
| #endif |
| |
| static int check_bind(const char *hostname, bool *has_proto) |
| { |
| int fd = -1; |
| struct addrinfo ai, *res = NULL; |
| int rc; |
| int ret = -1; |
| |
| memset(&ai, 0, sizeof(ai)); |
| ai.ai_flags = AI_CANONNAME | AI_ADDRCONFIG; |
| ai.ai_family = AF_UNSPEC; |
| ai.ai_socktype = SOCK_STREAM; |
| |
| /* lookup */ |
| rc = getaddrinfo(hostname, NULL, &ai, &res); |
| if (rc != 0) { |
| if (rc == EAI_ADDRFAMILY || |
| rc == EAI_FAMILY) { |
| *has_proto = false; |
| goto done; |
| } |
| goto cleanup; |
| } |
| |
| fd = qemu_socket(res->ai_family, res->ai_socktype, res->ai_protocol); |
| if (fd < 0) { |
| goto cleanup; |
| } |
| |
| if (bind(fd, res->ai_addr, res->ai_addrlen) < 0) { |
| if (errno == EADDRNOTAVAIL) { |
| *has_proto = false; |
| goto done; |
| } |
| goto cleanup; |
| } |
| |
| *has_proto = true; |
| done: |
| ret = 0; |
| |
| cleanup: |
| if (fd != -1) { |
| close(fd); |
| } |
| if (res) { |
| freeaddrinfo(res); |
| } |
| return ret; |
| } |
| |
| static int check_protocol_support(bool *has_ipv4, bool *has_ipv6) |
| { |
| if (check_bind("127.0.0.1", has_ipv4) < 0) { |
| return -1; |
| } |
| if (check_bind("::1", has_ipv6) < 0) { |
| return -1; |
| } |
| |
| return 0; |
| } |
| |
| |
| static void test_io_channel_set_socket_bufs(QIOChannel *src, |
| QIOChannel *dst) |
| { |
| int buflen = 64 * 1024; |
| |
| /* |
| * Make the socket buffers small so that we see |
| * the effects of partial reads/writes |
| */ |
| setsockopt(((QIOChannelSocket *)src)->fd, |
| SOL_SOCKET, SO_SNDBUF, |
| (char *)&buflen, |
| sizeof(buflen)); |
| |
| setsockopt(((QIOChannelSocket *)dst)->fd, |
| SOL_SOCKET, SO_SNDBUF, |
| (char *)&buflen, |
| sizeof(buflen)); |
| } |
| |
| |
| static void test_io_channel_setup_sync(SocketAddress *listen_addr, |
| SocketAddress *connect_addr, |
| QIOChannel **src, |
| QIOChannel **dst) |
| { |
| QIOChannelSocket *lioc; |
| |
| lioc = qio_channel_socket_new(); |
| qio_channel_socket_listen_sync(lioc, listen_addr, &error_abort); |
| |
| if (listen_addr->type == SOCKET_ADDRESS_KIND_INET) { |
| SocketAddress *laddr = qio_channel_socket_get_local_address( |
| lioc, &error_abort); |
| |
| g_free(connect_addr->u.inet.data->port); |
| connect_addr->u.inet.data->port = g_strdup(laddr->u.inet.data->port); |
| |
| qapi_free_SocketAddress(laddr); |
| } |
| |
| *src = QIO_CHANNEL(qio_channel_socket_new()); |
| qio_channel_socket_connect_sync( |
| QIO_CHANNEL_SOCKET(*src), connect_addr, &error_abort); |
| qio_channel_set_delay(*src, false); |
| |
| qio_channel_wait(QIO_CHANNEL(lioc), G_IO_IN); |
| *dst = QIO_CHANNEL(qio_channel_socket_accept(lioc, &error_abort)); |
| g_assert(*dst); |
| |
| test_io_channel_set_socket_bufs(*src, *dst); |
| |
| object_unref(OBJECT(lioc)); |
| } |
| |
| |
| struct TestIOChannelData { |
| bool err; |
| GMainLoop *loop; |
| }; |
| |
| |
| static void test_io_channel_complete(Object *src, |
| Error *err, |
| gpointer opaque) |
| { |
| struct TestIOChannelData *data = opaque; |
| data->err = err != NULL; |
| g_main_loop_quit(data->loop); |
| } |
| |
| |
| static void test_io_channel_setup_async(SocketAddress *listen_addr, |
| SocketAddress *connect_addr, |
| QIOChannel **src, |
| QIOChannel **dst) |
| { |
| QIOChannelSocket *lioc; |
| struct TestIOChannelData data; |
| |
| data.loop = g_main_loop_new(g_main_context_default(), |
| TRUE); |
| |
| lioc = qio_channel_socket_new(); |
| qio_channel_socket_listen_async( |
| lioc, listen_addr, |
| test_io_channel_complete, &data, NULL); |
| |
| g_main_loop_run(data.loop); |
| g_main_context_iteration(g_main_context_default(), FALSE); |
| |
| g_assert(!data.err); |
| |
| if (listen_addr->type == SOCKET_ADDRESS_KIND_INET) { |
| SocketAddress *laddr = qio_channel_socket_get_local_address( |
| lioc, &error_abort); |
| |
| g_free(connect_addr->u.inet.data->port); |
| connect_addr->u.inet.data->port = g_strdup(laddr->u.inet.data->port); |
| |
| qapi_free_SocketAddress(laddr); |
| } |
| |
| *src = QIO_CHANNEL(qio_channel_socket_new()); |
| |
| qio_channel_socket_connect_async( |
| QIO_CHANNEL_SOCKET(*src), connect_addr, |
| test_io_channel_complete, &data, NULL); |
| |
| g_main_loop_run(data.loop); |
| g_main_context_iteration(g_main_context_default(), FALSE); |
| |
| g_assert(!data.err); |
| |
| qio_channel_wait(QIO_CHANNEL(lioc), G_IO_IN); |
| *dst = QIO_CHANNEL(qio_channel_socket_accept(lioc, &error_abort)); |
| g_assert(*dst); |
| |
| qio_channel_set_delay(*src, false); |
| test_io_channel_set_socket_bufs(*src, *dst); |
| |
| object_unref(OBJECT(lioc)); |
| |
| g_main_loop_unref(data.loop); |
| } |
| |
| |
| static void test_io_channel(bool async, |
| SocketAddress *listen_addr, |
| SocketAddress *connect_addr, |
| bool passFD) |
| { |
| QIOChannel *src, *dst; |
| QIOChannelTest *test; |
| if (async) { |
| test_io_channel_setup_async(listen_addr, connect_addr, &src, &dst); |
| |
| g_assert(!passFD || |
| qio_channel_has_feature(src, QIO_CHANNEL_FEATURE_FD_PASS)); |
| g_assert(!passFD || |
| qio_channel_has_feature(dst, QIO_CHANNEL_FEATURE_FD_PASS)); |
| |
| test = qio_channel_test_new(); |
| qio_channel_test_run_threads(test, true, src, dst); |
| qio_channel_test_validate(test); |
| |
| object_unref(OBJECT(src)); |
| object_unref(OBJECT(dst)); |
| |
| test_io_channel_setup_async(listen_addr, connect_addr, &src, &dst); |
| |
| g_assert(!passFD || |
| qio_channel_has_feature(src, QIO_CHANNEL_FEATURE_FD_PASS)); |
| g_assert(!passFD || |
| qio_channel_has_feature(dst, QIO_CHANNEL_FEATURE_FD_PASS)); |
| |
| test = qio_channel_test_new(); |
| qio_channel_test_run_threads(test, false, src, dst); |
| qio_channel_test_validate(test); |
| |
| object_unref(OBJECT(src)); |
| object_unref(OBJECT(dst)); |
| } else { |
| test_io_channel_setup_sync(listen_addr, connect_addr, &src, &dst); |
| |
| g_assert(!passFD || |
| qio_channel_has_feature(src, QIO_CHANNEL_FEATURE_FD_PASS)); |
| g_assert(!passFD || |
| qio_channel_has_feature(dst, QIO_CHANNEL_FEATURE_FD_PASS)); |
| |
| test = qio_channel_test_new(); |
| qio_channel_test_run_threads(test, true, src, dst); |
| qio_channel_test_validate(test); |
| |
| object_unref(OBJECT(src)); |
| object_unref(OBJECT(dst)); |
| |
| test_io_channel_setup_sync(listen_addr, connect_addr, &src, &dst); |
| |
| g_assert(!passFD || |
| qio_channel_has_feature(src, QIO_CHANNEL_FEATURE_FD_PASS)); |
| g_assert(!passFD || |
| qio_channel_has_feature(dst, QIO_CHANNEL_FEATURE_FD_PASS)); |
| |
| test = qio_channel_test_new(); |
| qio_channel_test_run_threads(test, false, src, dst); |
| qio_channel_test_validate(test); |
| |
| object_unref(OBJECT(src)); |
| object_unref(OBJECT(dst)); |
| } |
| } |
| |
| |
| static void test_io_channel_ipv4(bool async) |
| { |
| SocketAddress *listen_addr = g_new0(SocketAddress, 1); |
| SocketAddress *connect_addr = g_new0(SocketAddress, 1); |
| |
| listen_addr->type = SOCKET_ADDRESS_KIND_INET; |
| listen_addr->u.inet.data = g_new(InetSocketAddress, 1); |
| *listen_addr->u.inet.data = (InetSocketAddress) { |
| .host = g_strdup("127.0.0.1"), |
| .port = NULL, /* Auto-select */ |
| }; |
| |
| connect_addr->type = SOCKET_ADDRESS_KIND_INET; |
| connect_addr->u.inet.data = g_new(InetSocketAddress, 1); |
| *connect_addr->u.inet.data = (InetSocketAddress) { |
| .host = g_strdup("127.0.0.1"), |
| .port = NULL, /* Filled in later */ |
| }; |
| |
| test_io_channel(async, listen_addr, connect_addr, false); |
| |
| qapi_free_SocketAddress(listen_addr); |
| qapi_free_SocketAddress(connect_addr); |
| } |
| |
| |
| static void test_io_channel_ipv4_sync(void) |
| { |
| return test_io_channel_ipv4(false); |
| } |
| |
| |
| static void test_io_channel_ipv4_async(void) |
| { |
| return test_io_channel_ipv4(true); |
| } |
| |
| |
| static void test_io_channel_ipv6(bool async) |
| { |
| SocketAddress *listen_addr = g_new0(SocketAddress, 1); |
| SocketAddress *connect_addr = g_new0(SocketAddress, 1); |
| |
| listen_addr->type = SOCKET_ADDRESS_KIND_INET; |
| listen_addr->u.inet.data = g_new(InetSocketAddress, 1); |
| *listen_addr->u.inet.data = (InetSocketAddress) { |
| .host = g_strdup("::1"), |
| .port = NULL, /* Auto-select */ |
| }; |
| |
| connect_addr->type = SOCKET_ADDRESS_KIND_INET; |
| connect_addr->u.inet.data = g_new(InetSocketAddress, 1); |
| *connect_addr->u.inet.data = (InetSocketAddress) { |
| .host = g_strdup("::1"), |
| .port = NULL, /* Filled in later */ |
| }; |
| |
| test_io_channel(async, listen_addr, connect_addr, false); |
| |
| qapi_free_SocketAddress(listen_addr); |
| qapi_free_SocketAddress(connect_addr); |
| } |
| |
| |
| static void test_io_channel_ipv6_sync(void) |
| { |
| return test_io_channel_ipv6(false); |
| } |
| |
| |
| static void test_io_channel_ipv6_async(void) |
| { |
| return test_io_channel_ipv6(true); |
| } |
| |
| |
| #ifndef _WIN32 |
| static void test_io_channel_unix(bool async) |
| { |
| SocketAddress *listen_addr = g_new0(SocketAddress, 1); |
| SocketAddress *connect_addr = g_new0(SocketAddress, 1); |
| |
| #define TEST_SOCKET "test-io-channel-socket.sock" |
| listen_addr->type = SOCKET_ADDRESS_KIND_UNIX; |
| listen_addr->u.q_unix.data = g_new0(UnixSocketAddress, 1); |
| listen_addr->u.q_unix.data->path = g_strdup(TEST_SOCKET); |
| |
| connect_addr->type = SOCKET_ADDRESS_KIND_UNIX; |
| connect_addr->u.q_unix.data = g_new0(UnixSocketAddress, 1); |
| connect_addr->u.q_unix.data->path = g_strdup(TEST_SOCKET); |
| |
| test_io_channel(async, listen_addr, connect_addr, true); |
| |
| qapi_free_SocketAddress(listen_addr); |
| qapi_free_SocketAddress(connect_addr); |
| g_assert(g_file_test(TEST_SOCKET, G_FILE_TEST_EXISTS) == FALSE); |
| } |
| |
| |
| static void test_io_channel_unix_sync(void) |
| { |
| return test_io_channel_unix(false); |
| } |
| |
| |
| static void test_io_channel_unix_async(void) |
| { |
| return test_io_channel_unix(true); |
| } |
| |
| static void test_io_channel_unix_fd_pass(void) |
| { |
| SocketAddress *listen_addr = g_new0(SocketAddress, 1); |
| SocketAddress *connect_addr = g_new0(SocketAddress, 1); |
| QIOChannel *src, *dst; |
| int testfd; |
| int fdsend[3]; |
| int *fdrecv = NULL; |
| size_t nfdrecv = 0; |
| size_t i; |
| char bufsend[12], bufrecv[12]; |
| struct iovec iosend[1], iorecv[1]; |
| |
| #define TEST_SOCKET "test-io-channel-socket.sock" |
| #define TEST_FILE "test-io-channel-socket.txt" |
| |
| testfd = open(TEST_FILE, O_RDWR|O_TRUNC|O_CREAT, 0700); |
| g_assert(testfd != -1); |
| fdsend[0] = testfd; |
| fdsend[1] = testfd; |
| fdsend[2] = testfd; |
| |
| listen_addr->type = SOCKET_ADDRESS_KIND_UNIX; |
| listen_addr->u.q_unix.data = g_new0(UnixSocketAddress, 1); |
| listen_addr->u.q_unix.data->path = g_strdup(TEST_SOCKET); |
| |
| connect_addr->type = SOCKET_ADDRESS_KIND_UNIX; |
| connect_addr->u.q_unix.data = g_new0(UnixSocketAddress, 1); |
| connect_addr->u.q_unix.data->path = g_strdup(TEST_SOCKET); |
| |
| test_io_channel_setup_sync(listen_addr, connect_addr, &src, &dst); |
| |
| memcpy(bufsend, "Hello World", G_N_ELEMENTS(bufsend)); |
| |
| iosend[0].iov_base = bufsend; |
| iosend[0].iov_len = G_N_ELEMENTS(bufsend); |
| |
| iorecv[0].iov_base = bufrecv; |
| iorecv[0].iov_len = G_N_ELEMENTS(bufrecv); |
| |
| g_assert(qio_channel_has_feature(src, QIO_CHANNEL_FEATURE_FD_PASS)); |
| g_assert(qio_channel_has_feature(dst, QIO_CHANNEL_FEATURE_FD_PASS)); |
| |
| qio_channel_writev_full(src, |
| iosend, |
| G_N_ELEMENTS(iosend), |
| fdsend, |
| G_N_ELEMENTS(fdsend), |
| &error_abort); |
| |
| qio_channel_readv_full(dst, |
| iorecv, |
| G_N_ELEMENTS(iorecv), |
| &fdrecv, |
| &nfdrecv, |
| &error_abort); |
| |
| g_assert(nfdrecv == G_N_ELEMENTS(fdsend)); |
| /* Each recvd FD should be different from sent FD */ |
| for (i = 0; i < nfdrecv; i++) { |
| g_assert_cmpint(fdrecv[i], !=, testfd); |
| } |
| /* Each recvd FD should be different from each other */ |
| g_assert_cmpint(fdrecv[0], !=, fdrecv[1]); |
| g_assert_cmpint(fdrecv[0], !=, fdrecv[2]); |
| g_assert_cmpint(fdrecv[1], !=, fdrecv[2]); |
| |
| /* Check the I/O buf we sent at the same time matches */ |
| g_assert(memcmp(bufsend, bufrecv, G_N_ELEMENTS(bufsend)) == 0); |
| |
| /* Write some data into the FD we received */ |
| g_assert(write(fdrecv[0], bufsend, G_N_ELEMENTS(bufsend)) == |
| G_N_ELEMENTS(bufsend)); |
| |
| /* Read data from the original FD and make sure it matches */ |
| memset(bufrecv, 0, G_N_ELEMENTS(bufrecv)); |
| g_assert(lseek(testfd, 0, SEEK_SET) == 0); |
| g_assert(read(testfd, bufrecv, G_N_ELEMENTS(bufrecv)) == |
| G_N_ELEMENTS(bufrecv)); |
| g_assert(memcmp(bufsend, bufrecv, G_N_ELEMENTS(bufsend)) == 0); |
| |
| object_unref(OBJECT(src)); |
| object_unref(OBJECT(dst)); |
| qapi_free_SocketAddress(listen_addr); |
| qapi_free_SocketAddress(connect_addr); |
| unlink(TEST_SOCKET); |
| unlink(TEST_FILE); |
| close(testfd); |
| for (i = 0; i < nfdrecv; i++) { |
| close(fdrecv[i]); |
| } |
| g_free(fdrecv); |
| } |
| #endif /* _WIN32 */ |
| |
| |
| static void test_io_channel_ipv4_fd(void) |
| { |
| QIOChannel *ioc; |
| int fd = -1; |
| struct sockaddr_in sa = { |
| .sin_family = AF_INET, |
| .sin_addr = { |
| .s_addr = htonl(INADDR_LOOPBACK), |
| } |
| /* Leave port unset for auto-assign */ |
| }; |
| socklen_t salen = sizeof(sa); |
| |
| fd = socket(AF_INET, SOCK_STREAM, 0); |
| g_assert_cmpint(fd, >, -1); |
| |
| g_assert_cmpint(bind(fd, (struct sockaddr *)&sa, salen), ==, 0); |
| |
| ioc = qio_channel_new_fd(fd, &error_abort); |
| |
| g_assert_cmpstr(object_get_typename(OBJECT(ioc)), |
| ==, |
| TYPE_QIO_CHANNEL_SOCKET); |
| |
| object_unref(OBJECT(ioc)); |
| } |
| |
| |
| int main(int argc, char **argv) |
| { |
| bool has_ipv4, has_ipv6; |
| |
| module_call_init(MODULE_INIT_QOM); |
| 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 (check_protocol_support(&has_ipv4, &has_ipv6) < 0) { |
| return 1; |
| } |
| |
| if (has_ipv4) { |
| g_test_add_func("/io/channel/socket/ipv4-sync", |
| test_io_channel_ipv4_sync); |
| g_test_add_func("/io/channel/socket/ipv4-async", |
| test_io_channel_ipv4_async); |
| g_test_add_func("/io/channel/socket/ipv4-fd", |
| test_io_channel_ipv4_fd); |
| } |
| if (has_ipv6) { |
| g_test_add_func("/io/channel/socket/ipv6-sync", |
| test_io_channel_ipv6_sync); |
| g_test_add_func("/io/channel/socket/ipv6-async", |
| test_io_channel_ipv6_async); |
| } |
| |
| #ifndef _WIN32 |
| g_test_add_func("/io/channel/socket/unix-sync", |
| test_io_channel_unix_sync); |
| g_test_add_func("/io/channel/socket/unix-async", |
| test_io_channel_unix_async); |
| g_test_add_func("/io/channel/socket/unix-fd-pass", |
| test_io_channel_unix_fd_pass); |
| #endif /* _WIN32 */ |
| |
| return g_test_run(); |
| } |