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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , "Michael S. Tsirkin" , Jason Wang , Bobby Eshleman CC: , , , , , , Subject: [RFC PATCH v2 2/2] test/vsock: shutdowned socket test Date: Sat, 26 Aug 2023 20:59:00 +0300 Message-ID: <20230826175900.3693844-3-avkrasnov@salutedevices.com> X-Mailer: git-send-email 2.35.0 In-Reply-To: <20230826175900.3693844-1-avkrasnov@salutedevices.com> References: <20230826175900.3693844-1-avkrasnov@salutedevices.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Originating-IP: [100.64.160.123] X-ClientProxiedBy: p-i-exch-sc-m01.sberdevices.ru (172.16.192.107) To p-i-exch-sc-m01.sberdevices.ru (172.16.192.107) X-KSMG-Rule-ID: 10 X-KSMG-Message-Action: clean X-KSMG-AntiSpam-Lua-Profiles: 179455 [Aug 25 2023] X-KSMG-AntiSpam-Version: 5.9.59.0 X-KSMG-AntiSpam-Envelope-From: avkrasnov@salutedevices.com X-KSMG-AntiSpam-Rate: 0 X-KSMG-AntiSpam-Status: not_detected X-KSMG-AntiSpam-Method: none X-KSMG-AntiSpam-Auth: dkim=none X-KSMG-AntiSpam-Info: LuaCore: 527 527 5bb611be2ca2baa31d984ccbf4ef4415504fc308, {Tracking_from_domain_doesnt_match_to}, salutedevices.com:7.1.1;127.0.0.199:7.1.2;100.64.160.123:7.1.2;p-i-exch-sc-m01.sberdevices.ru:7.1.1,5.0.1;d41d8cd98f00b204e9800998ecf8427e.com:7.1.1, FromAlignment: s, ApMailHostAddress: 100.64.160.123 X-MS-Exchange-Organization-SCL: -1 X-KSMG-AntiSpam-Interceptor-Info: scan successful X-KSMG-AntiPhishing: Clean X-KSMG-LinksScanning: Clean X-KSMG-AntiVirus: Kaspersky Secure Mail Gateway, version 2.0.1.6960, bases: 2023/08/26 15:09:00 #21728460 X-KSMG-AntiVirus-Status: Clean, skipped X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, SPF_HELO_NONE,SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net X-Patchwork-State: RFC This adds two tests for 'shutdown()' call. It checks that SIGPIPE is sent when MSG_NOSIGNAL is not set and vice versa. Both flags SHUT_WR and SHUT_RD are tested. Signed-off-by: Arseniy Krasnov Reviewed-by: Stefano Garzarella --- tools/testing/vsock/vsock_test.c | 138 +++++++++++++++++++++++++++++++ 1 file changed, 138 insertions(+) diff --git a/tools/testing/vsock/vsock_test.c b/tools/testing/vsock/vsock_test.c index 90718c2fd4ea..148fc9c47c50 100644 --- a/tools/testing/vsock/vsock_test.c +++ b/tools/testing/vsock/vsock_test.c @@ -19,6 +19,7 @@ #include #include #include +#include #include "timeout.h" #include "control.h" @@ -1170,6 +1171,133 @@ static void test_seqpacket_msg_peek_server(const struct test_opts *opts) return test_msg_peek_server(opts, true); } +static sig_atomic_t have_sigpipe; + +static void sigpipe(int signo) +{ + have_sigpipe = 1; +} + +static void test_stream_check_sigpipe(int fd) +{ + ssize_t res; + + have_sigpipe = 0; + + res = send(fd, "A", 1, 0); + if (res != -1) { + fprintf(stderr, "expected send(2) failure, got %zi\n", res); + exit(EXIT_FAILURE); + } + + if (!have_sigpipe) { + fprintf(stderr, "SIGPIPE expected\n"); + exit(EXIT_FAILURE); + } + + have_sigpipe = 0; + + res = send(fd, "A", 1, MSG_NOSIGNAL); + if (res != -1) { + fprintf(stderr, "expected send(2) failure, got %zi\n", res); + exit(EXIT_FAILURE); + } + + if (have_sigpipe) { + fprintf(stderr, "SIGPIPE not expected\n"); + exit(EXIT_FAILURE); + } +} + +static void test_stream_shutwr_client(const struct test_opts *opts) +{ + int fd; + + struct sigaction act = { + .sa_handler = sigpipe, + }; + + sigaction(SIGPIPE, &act, NULL); + + fd = vsock_stream_connect(opts->peer_cid, 1234); + if (fd < 0) { + perror("connect"); + exit(EXIT_FAILURE); + } + + if (shutdown(fd, SHUT_WR)) { + perror("shutdown"); + exit(EXIT_FAILURE); + } + + test_stream_check_sigpipe(fd); + + control_writeln("CLIENTDONE"); + + close(fd); +} + +static void test_stream_shutwr_server(const struct test_opts *opts) +{ + int fd; + + fd = vsock_stream_accept(VMADDR_CID_ANY, 1234, NULL); + if (fd < 0) { + perror("accept"); + exit(EXIT_FAILURE); + } + + control_expectln("CLIENTDONE"); + + close(fd); +} + +static void test_stream_shutrd_client(const struct test_opts *opts) +{ + int fd; + + struct sigaction act = { + .sa_handler = sigpipe, + }; + + sigaction(SIGPIPE, &act, NULL); + + fd = vsock_stream_connect(opts->peer_cid, 1234); + if (fd < 0) { + perror("connect"); + exit(EXIT_FAILURE); + } + + control_expectln("SHUTRDDONE"); + + test_stream_check_sigpipe(fd); + + control_writeln("CLIENTDONE"); + + close(fd); +} + +static void test_stream_shutrd_server(const struct test_opts *opts) +{ + int fd; + + fd = vsock_stream_accept(VMADDR_CID_ANY, 1234, NULL); + if (fd < 0) { + perror("accept"); + exit(EXIT_FAILURE); + } + + if (shutdown(fd, SHUT_RD)) { + perror("shutdown"); + exit(EXIT_FAILURE); + } + + control_writeln("SHUTRDDONE"); + control_expectln("CLIENTDONE"); + + close(fd); +} + static struct test_case test_cases[] = { { .name = "SOCK_STREAM connection reset", @@ -1250,6 +1378,16 @@ static struct test_case test_cases[] = { .run_client = test_seqpacket_msg_peek_client, .run_server = test_seqpacket_msg_peek_server, }, + { + .name = "SOCK_STREAM SHUT_WR", + .run_client = test_stream_shutwr_client, + .run_server = test_stream_shutwr_server, + }, + { + .name = "SOCK_STREAM SHUT_RD", + .run_client = test_stream_shutrd_client, + .run_server = test_stream_shutrd_server, + }, {}, };