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The following commit(s) were added to refs/heads/master by this push:
new 31342e02c testing/nettest: add cmocka test for local socket SCM_RIGHTS
31342e02c is described below
commit 31342e02cee863f11247601433920b1235190cbc
Author: Bogdan <[email protected]>
AuthorDate: Thu Aug 20 17:08:54 2026 +0300
testing/nettest: add cmocka test for local socket SCM_RIGHTS
Add CMocka regression test case to verify local socket SCM_RIGHTS
behavior when the file descriptor table is exhausted.
Signed-off-by: Bogdan <[email protected]>
---
testing/nettest/CMakeLists.txt | 23 ++++
testing/nettest/Kconfig | 5 +
testing/nettest/Makefile | 6 +
testing/nettest/local/test_local.c | 46 ++++++++
testing/nettest/local/test_local.h | 52 +++++++++
testing/nettest/local/test_local_common.c | 47 ++++++++
testing/nettest/local/test_local_scm_rights.c | 154 ++++++++++++++++++++++++++
7 files changed, 333 insertions(+)
diff --git a/testing/nettest/CMakeLists.txt b/testing/nettest/CMakeLists.txt
index 6a36708da..94fa4557f 100644
--- a/testing/nettest/CMakeLists.txt
+++ b/testing/nettest/CMakeLists.txt
@@ -50,6 +50,29 @@ if(CONFIG_TESTING_NET_TEST)
${SRCS})
endif()
+ if(CONFIG_TESTING_NET_LOCAL)
+ set(SRCS
+ ${CMAKE_CURRENT_LIST_DIR}/local/test_local.c
+ ${CMAKE_CURRENT_LIST_DIR}/local/test_local_common.c
+ ${CMAKE_CURRENT_LIST_DIR}/local/test_local_scm_rights.c)
+
+ nuttx_add_application(
+ NAME
+ cmocka_net_local
+ PRIORITY
+ ${CONFIG_TESTING_NET_TEST_PRIORITY}
+ STACKSIZE
+ ${CONFIG_TESTING_NET_TEST_STACKSIZE}
+ MODULE
+ ${CONFIG_TESTING_NET_TEST}
+ DEPENDS
+ cmocka
+ INCLUDE_DIRECTORIES
+ ${CMAKE_CURRENT_LIST_DIR}/utils
+ SRCS
+ ${SRCS})
+ endif()
+
if(CONFIG_TESTING_NET_OTHERS)
set(SRCS
${CMAKE_CURRENT_LIST_DIR}/others/test_others.c
diff --git a/testing/nettest/Kconfig b/testing/nettest/Kconfig
index 750b5796a..83e3ba722 100644
--- a/testing/nettest/Kconfig
+++ b/testing/nettest/Kconfig
@@ -35,6 +35,11 @@ config TESTING_NET_TCP_PORT
endif
+config TESTING_NET_LOCAL
+ bool "Enable cmocka net local test"
+ depends on NET_LOCAL && NET_LOCAL_SCM
+ default y
+
config TESTING_NET_OTHERS
bool "Enable cmocka net other test"
default y
diff --git a/testing/nettest/Makefile b/testing/nettest/Makefile
index 2abd410bc..6f10c3910 100644
--- a/testing/nettest/Makefile
+++ b/testing/nettest/Makefile
@@ -45,6 +45,12 @@ endif
endif
+ifeq ($(CONFIG_TESTING_NET_LOCAL),y)
+MAINSRC += local/test_local.c
+PROGNAME += cmocka_net_local
+CSRCS += local/test_local_common.c local/test_local_scm_rights.c
+endif
+
ifeq ($(CONFIG_TESTING_NET_OTHERS),y)
MAINSRC += others/test_others.c
PROGNAME += cmocka_net_others
diff --git a/testing/nettest/local/test_local.c
b/testing/nettest/local/test_local.c
new file mode 100644
index 000000000..a0a0d3316
--- /dev/null
+++ b/testing/nettest/local/test_local.c
@@ -0,0 +1,46 @@
+/****************************************************************************
+ * apps/testing/nettest/local/test_local.c
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership. The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <setjmp.h>
+#include <stdarg.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <cmocka.h>
+
+#include "test_local.h"
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+int main(int argc, FAR char *argv[])
+{
+ const struct CMUnitTest local_tests[] =
+ {
+ cmocka_unit_test(test_local_scm_rights),
+ };
+
+ return cmocka_run_group_tests(local_tests, test_local_group_setup,
+ test_local_group_teardown);
+}
diff --git a/testing/nettest/local/test_local.h
b/testing/nettest/local/test_local.h
new file mode 100644
index 000000000..387104e27
--- /dev/null
+++ b/testing/nettest/local/test_local.h
@@ -0,0 +1,52 @@
+/****************************************************************************
+ * apps/testing/nettest/local/test_local.h
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership. The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+#ifndef __APPS_TESTING_NETTEST_LOCAL_TEST_LOCAL_H
+#define __APPS_TESTING_NETTEST_LOCAL_TEST_LOCAL_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/compiler.h>
+
+/****************************************************************************
+ * Public Function Prototypes
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: test_local_group_setup
+ ****************************************************************************/
+
+int test_local_group_setup(FAR void **state);
+
+/****************************************************************************
+ * Name: test_local_group_teardown
+ ****************************************************************************/
+
+int test_local_group_teardown(FAR void **state);
+
+/****************************************************************************
+ * Name: test_local_scm_rights
+ ****************************************************************************/
+
+void test_local_scm_rights(FAR void **state);
+
+#endif /* __APPS_TESTING_NETTEST_LOCAL_TEST_LOCAL_H */
diff --git a/testing/nettest/local/test_local_common.c
b/testing/nettest/local/test_local_common.c
new file mode 100644
index 000000000..ecfee701f
--- /dev/null
+++ b/testing/nettest/local/test_local_common.c
@@ -0,0 +1,47 @@
+/****************************************************************************
+ * apps/testing/nettest/local/test_local_common.c
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership. The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include "test_local.h"
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: test_local_group_setup
+ ****************************************************************************/
+
+int test_local_group_setup(FAR void **state)
+{
+ return 0;
+}
+
+/****************************************************************************
+ * Name: test_local_group_teardown
+ ****************************************************************************/
+
+int test_local_group_teardown(FAR void **state)
+{
+ return 0;
+}
diff --git a/testing/nettest/local/test_local_scm_rights.c
b/testing/nettest/local/test_local_scm_rights.c
new file mode 100644
index 000000000..ebfc65268
--- /dev/null
+++ b/testing/nettest/local/test_local_scm_rights.c
@@ -0,0 +1,154 @@
+/****************************************************************************
+ * apps/testing/nettest/local/test_local_scm_rights.c
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership. The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <errno.h>
+#include <fcntl.h>
+#include <setjmp.h>
+#include <stdarg.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/socket.h>
+#include <cmocka.h>
+
+#include "test_local.h"
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+#define SEND_FDS 3
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: test_local_scm_rights
+ ****************************************************************************/
+
+void test_local_scm_rights(FAR void **state)
+{
+ int sv[2];
+ int p1[2];
+ int p2[2];
+ struct msghdr msg;
+ struct iovec iov;
+ char send_buf = 'X';
+ char recv_buf;
+ char cmsgbuf[CMSG_SPACE(sizeof(int) * SEND_FDS)];
+ struct cmsghdr *cmsg;
+ int send_fds[SEND_FDS];
+ int junk[256];
+ int n_open = 0;
+ int ret;
+ int i;
+
+ ret = pipe(p1);
+ assert_return_code(ret, errno);
+
+ ret = pipe(p2);
+ assert_return_code(ret, errno);
+
+ ret = socketpair(AF_LOCAL, SOCK_STREAM, 0, sv);
+ assert_return_code(ret, errno);
+
+ send_fds[0] = p1[0];
+ send_fds[1] = p1[1];
+ send_fds[2] = p2[0];
+
+ memset(&msg, 0, sizeof(msg));
+ memset(cmsgbuf, 0, sizeof(cmsgbuf));
+
+ iov.iov_base = &send_buf;
+ iov.iov_len = 1;
+
+ msg.msg_iov = &iov;
+ msg.msg_iovlen = 1;
+ msg.msg_control = cmsgbuf;
+ msg.msg_controllen = CMSG_SPACE(sizeof(int) * SEND_FDS);
+
+ cmsg = CMSG_FIRSTHDR(&msg);
+ cmsg->cmsg_level = SOL_SOCKET;
+ cmsg->cmsg_type = SCM_RIGHTS;
+ cmsg->cmsg_len = CMSG_LEN(sizeof(int) * SEND_FDS);
+ memcpy(CMSG_DATA(cmsg), send_fds, sizeof(int) * SEND_FDS);
+
+ ret = sendmsg(sv[0], &msg, 0);
+ assert_true(ret >= 0);
+
+ for (i = 0; i < 256; i++)
+ {
+ junk[i] = open("/dev/null", O_RDONLY);
+ if (junk[i] < 0)
+ {
+ break;
+ }
+
+ n_open++;
+ }
+
+ if (n_open == 0)
+ {
+ /* If /dev/null is not available, try to dup p1[0] */
+
+ for (i = 0; i < 256; i++)
+ {
+ junk[i] = dup(p1[0]);
+ if (junk[i] < 0)
+ {
+ break;
+ }
+
+ n_open++;
+ }
+ }
+
+ memset(&msg, 0, sizeof(msg));
+ memset(cmsgbuf, 0, sizeof(cmsgbuf));
+ iov.iov_base = &recv_buf;
+ iov.iov_len = 1;
+ msg.msg_iov = &iov;
+ msg.msg_iovlen = 1;
+ msg.msg_control = cmsgbuf;
+ msg.msg_controllen = sizeof(cmsgbuf);
+
+ recvmsg(sv[1], &msg, 0);
+
+ /* cleanup descriptors */
+
+ for (i = 0; i < n_open; i++)
+ {
+ close(junk[i]);
+ }
+
+ close(sv[0]);
+ close(sv[1]);
+ close(p1[0]);
+ close(p1[1]);
+ close(p2[0]);
+ close(p2[1]);
+}
