| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-Id: <20210609232501.171257-5-jiang.wang@bytedance.com>
Date: Wed, 9 Jun 2021 23:24:56 +0000
From: Jiang Wang <jiang.wang@...edance.com>
To: sgarzare@...hat.com
Cc: virtualization@...ts.linux-foundation.org, stefanha@...hat.com,
mst@...hat.com, arseny.krasnov@...persky.com,
jhansen@...are.comments, cong.wang@...edance.com,
duanxiongchun@...edance.com, xieyongji@...edance.com,
chaiwen.cc@...edance.com, Jason Wang <jasowang@...hat.com>,
"David S. Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>,
Steven Rostedt <rostedt@...dmis.org>,
Ingo Molnar <mingo@...hat.com>,
Colin Ian King <colin.king@...onical.com>,
Norbert Slusarek <nslusarek@....net>,
Andra Paraschiv <andraprs@...zon.com>,
Alexander Popov <alex.popov@...ux.com>, kvm@...r.kernel.org,
netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [RFC v1 4/6] vsock_test: add tests for vsock dgram
Added test cases for vsock dgram types.
Signed-off-by: Jiang Wang <jiang.wang@...edance.com>
---
tools/testing/vsock/util.c | 105 +++++++++++++++++++++
tools/testing/vsock/util.h | 4 +
tools/testing/vsock/vsock_test.c | 195 +++++++++++++++++++++++++++++++++++++++
3 files changed, 304 insertions(+)
diff --git a/tools/testing/vsock/util.c b/tools/testing/vsock/util.c
index 93cbd6f603f9..59e5301b5380 100644
--- a/tools/testing/vsock/util.c
+++ b/tools/testing/vsock/util.c
@@ -238,6 +238,57 @@ void send_byte(int fd, int expected_ret, int flags)
}
}
+/* Transmit one byte and check the return value.
+ *
+ * expected_ret:
+ * <0 Negative errno (for testing errors)
+ * 0 End-of-file
+ * 1 Success
+ */
+void sendto_byte(int fd, const struct sockaddr *dest_addr, int len, int expected_ret,
+ int flags)
+{
+ const uint8_t byte = 'A';
+ ssize_t nwritten;
+
+ timeout_begin(TIMEOUT);
+ do {
+ nwritten = sendto(fd, &byte, sizeof(byte), flags, dest_addr,
+ len);
+ timeout_check("write");
+ } while (nwritten < 0 && errno == EINTR);
+ timeout_end();
+
+ if (expected_ret < 0) {
+ if (nwritten != -1) {
+ fprintf(stderr, "bogus sendto(2) return value %zd\n",
+ nwritten);
+ exit(EXIT_FAILURE);
+ }
+ if (errno != -expected_ret) {
+ perror("write");
+ exit(EXIT_FAILURE);
+ }
+ return;
+ }
+
+ if (nwritten < 0) {
+ perror("write");
+ exit(EXIT_FAILURE);
+ }
+ if (nwritten == 0) {
+ if (expected_ret == 0)
+ return;
+
+ fprintf(stderr, "unexpected EOF while sending byte\n");
+ exit(EXIT_FAILURE);
+ }
+ if (nwritten != sizeof(byte)) {
+ fprintf(stderr, "bogus sendto(2) return value %zd\n", nwritten);
+ exit(EXIT_FAILURE);
+ }
+}
+
/* Receive one byte and check the return value.
*
* expected_ret:
@@ -291,6 +342,60 @@ void recv_byte(int fd, int expected_ret, int flags)
}
}
+/* Receive one byte and check the return value.
+ *
+ * expected_ret:
+ * <0 Negative errno (for testing errors)
+ * 0 End-of-file
+ * 1 Success
+ */
+void recvfrom_byte(int fd, struct sockaddr *src_addr, socklen_t *addrlen,
+ int expected_ret, int flags)
+{
+ uint8_t byte;
+ ssize_t nread;
+
+ timeout_begin(TIMEOUT);
+ do {
+ nread = recvfrom(fd, &byte, sizeof(byte), flags, src_addr, addrlen);
+ timeout_check("read");
+ } while (nread < 0 && errno == EINTR);
+ timeout_end();
+
+ if (expected_ret < 0) {
+ if (nread != -1) {
+ fprintf(stderr, "bogus recvfrom(2) return value %zd\n",
+ nread);
+ exit(EXIT_FAILURE);
+ }
+ if (errno != -expected_ret) {
+ perror("read");
+ exit(EXIT_FAILURE);
+ }
+ return;
+ }
+
+ if (nread < 0) {
+ perror("read");
+ exit(EXIT_FAILURE);
+ }
+ if (nread == 0) {
+ if (expected_ret == 0)
+ return;
+
+ fprintf(stderr, "unexpected EOF while receiving byte\n");
+ exit(EXIT_FAILURE);
+ }
+ if (nread != sizeof(byte)) {
+ fprintf(stderr, "bogus recvfrom(2) return value %zd\n", nread);
+ exit(EXIT_FAILURE);
+ }
+ if (byte != 'A') {
+ fprintf(stderr, "unexpected byte read %c\n", byte);
+ exit(EXIT_FAILURE);
+ }
+}
+
/* Run test cases. The program terminates if a failure occurs. */
void run_tests(const struct test_case *test_cases,
const struct test_opts *opts)
diff --git a/tools/testing/vsock/util.h b/tools/testing/vsock/util.h
index e53dd09d26d9..cea1acd094c6 100644
--- a/tools/testing/vsock/util.h
+++ b/tools/testing/vsock/util.h
@@ -40,7 +40,11 @@ int vsock_stream_accept(unsigned int cid, unsigned int port,
struct sockaddr_vm *clientaddrp);
void vsock_wait_remote_close(int fd);
void send_byte(int fd, int expected_ret, int flags);
+void sendto_byte(int fd, const struct sockaddr *dest_addr, int len, int expected_ret,
+ int flags);
void recv_byte(int fd, int expected_ret, int flags);
+void recvfrom_byte(int fd, struct sockaddr *src_addr, socklen_t *addrlen,
+ int expected_ret, int flags);
void run_tests(const struct test_case *test_cases,
const struct test_opts *opts);
void list_tests(const struct test_case *test_cases);
diff --git a/tools/testing/vsock/vsock_test.c b/tools/testing/vsock/vsock_test.c
index 5a4fb80fa832..9dd9f004b7df 100644
--- a/tools/testing/vsock/vsock_test.c
+++ b/tools/testing/vsock/vsock_test.c
@@ -197,6 +197,115 @@ static void test_stream_server_close_server(const struct test_opts *opts)
close(fd);
}
+static void test_dgram_sendto_client(const struct test_opts *opts)
+{
+ union {
+ struct sockaddr sa;
+ struct sockaddr_vm svm;
+ } addr = {
+ .svm = {
+ .svm_family = AF_VSOCK,
+ .svm_port = 1234,
+ .svm_cid = opts->peer_cid,
+ },
+ };
+ int fd;
+
+ /* Wait for the server to be ready */
+ control_expectln("BIND");
+
+ fd = socket(AF_VSOCK, SOCK_DGRAM, 0);
+ if (fd < 0) {
+ perror("socket");
+ exit(EXIT_FAILURE);
+ }
+
+ sendto_byte(fd, &addr.sa, sizeof(addr.svm), 1, 0);
+
+ /* Notify the server that the client has finished */
+ control_writeln("DONE");
+
+ close(fd);
+}
+
+static void test_dgram_sendto_server(const struct test_opts *opts)
+{
+ union {
+ struct sockaddr sa;
+ struct sockaddr_vm svm;
+ } addr = {
+ .svm = {
+ .svm_family = AF_VSOCK,
+ .svm_port = 1234,
+ .svm_cid = VMADDR_CID_ANY,
+ },
+ };
+ int fd;
+ int len = sizeof(addr.sa);
+
+ fd = socket(AF_VSOCK, SOCK_DGRAM, 0);
+
+ if (bind(fd, &addr.sa, sizeof(addr.svm)) < 0) {
+ perror("bind");
+ exit(EXIT_FAILURE);
+ }
+
+ /* Notify the client that the server is ready */
+ control_writeln("BIND");
+
+ recvfrom_byte(fd, &addr.sa, &len, 1, 0);
+ printf("got message from cid:%d, port %u ", addr.svm.svm_cid,
+ addr.svm.svm_port);
+
+ /* Wait for the client to finish */
+ control_expectln("DONE");
+
+ close(fd);
+}
+
+static void test_dgram_connect_client(const struct test_opts *opts)
+{
+ union {
+ struct sockaddr sa;
+ struct sockaddr_vm svm;
+ } addr = {
+ .svm = {
+ .svm_family = AF_VSOCK,
+ .svm_port = 1234,
+ .svm_cid = opts->peer_cid,
+ },
+ };
+ int fd;
+ int ret;
+
+ /* Wait for the server to be ready */
+ control_expectln("BIND");
+
+ fd = socket(AF_VSOCK, SOCK_DGRAM, 0);
+ if (fd < 0) {
+ perror("bind");
+ exit(EXIT_FAILURE);
+ }
+
+ ret = connect(fd, &addr.sa, sizeof(addr.svm));
+ if (ret < 0) {
+ perror("connect");
+ exit(EXIT_FAILURE);
+ }
+
+ send_byte(fd, 1, 0);
+
+ /* Notify the server that the client has finished */
+ control_writeln("DONE");
+
+ close(fd);
+}
+
+static void test_dgram_connect_server(const struct test_opts *opts)
+{
+ test_dgram_sendto_server(opts);
+}
+
/* With the standard socket sizes, VMCI is able to support about 100
* concurrent stream connections.
*/
@@ -250,6 +359,77 @@ static void test_stream_multiconn_server(const struct test_opts *opts)
close(fds[i]);
}
+static void test_dgram_multiconn_client(const struct test_opts *opts)
+{
+ int fds[MULTICONN_NFDS];
+ int i;
+ union {
+ struct sockaddr sa;
+ struct sockaddr_vm svm;
+ } addr = {
+ .svm = {
+ .svm_family = AF_VSOCK,
+ .svm_port = 1234,
+ .svm_cid = opts->peer_cid,
+ },
+ };
+
+ /* Wait for the server to be ready */
+ control_expectln("BIND");
+
+ for (i = 0; i < MULTICONN_NFDS; i++) {
+ fds[i] = socket(AF_VSOCK, SOCK_DGRAM, 0);
+ if (fds[i] < 0) {
+ perror("socket");
+ exit(EXIT_FAILURE);
+ }
+ }
+
+ for (i = 0; i < MULTICONN_NFDS; i++)
+ sendto_byte(fds[i], &addr.sa, sizeof(addr.svm), 1, 0);
+
+ /* Notify the server that the client has finished */
+ control_writeln("DONE");
+
+ for (i = 0; i < MULTICONN_NFDS; i++)
+ close(fds[i]);
+}
+
+static void test_dgram_multiconn_server(const struct test_opts *opts)
+{
+ union {
+ struct sockaddr sa;
+ struct sockaddr_vm svm;
+ } addr = {
+ .svm = {
+ .svm_family = AF_VSOCK,
+ .svm_port = 1234,
+ .svm_cid = VMADDR_CID_ANY,
+ },
+ };
+ int fd;
+ int len = sizeof(addr.sa);
+ int i;
+
+ fd = socket(AF_VSOCK, SOCK_DGRAM, 0);
+
+ if (bind(fd, &addr.sa, sizeof(addr.svm)) < 0) {
+ perror("bind");
+ exit(EXIT_FAILURE);
+ }
+
+ /* Notify the client that the server is ready */
+ control_writeln("BIND");
+
+ for (i = 0; i < MULTICONN_NFDS; i++)
+ recvfrom_byte(fd, &addr.sa, &len, 1, 0);
+
+ /* Wait for the client to finish */
+ control_expectln("DONE");
+
+ close(fd);
+}
+
static void test_stream_msg_peek_client(const struct test_opts *opts)
{
int fd;
@@ -309,6 +489,21 @@ static struct test_case test_cases[] = {
.run_client = test_stream_msg_peek_client,
.run_server = test_stream_msg_peek_server,
},
+ {
+ .name = "SOCK_DGRAM client close",
+ .run_client = test_dgram_sendto_client,
+ .run_server = test_dgram_sendto_server,
+ },
+ {
+ .name = "SOCK_DGRAM client connect",
+ .run_client = test_dgram_connect_client,
+ .run_server = test_dgram_connect_server,
+ },
+ {
+ .name = "SOCK_DGRAM multiple connections",
+ .run_client = test_dgram_multiconn_client,
+ .run_server = test_dgram_multiconn_server,
+ },
{},
};
--
2.11.0
Powered by blists - more mailing lists