Add receiver TA to support send-fd test
The receiver app accepts an fd from nonsecure, and writes "Hello from
Trusty!" into it.
Bug: 117221195
Test: tipc-test -t send-fd
Change-Id: I52fe647b5e429ff5fc32ac220d778a4e71c56dd4
diff --git a/memref-test/receiver/manifest.json b/memref-test/receiver/manifest.json
new file mode 100644
index 0000000..8492efa
--- /dev/null
+++ b/memref-test/receiver/manifest.json
@@ -0,0 +1,14 @@
+{
+ "uuid": "cf31780c-aa93-11ea-8cfd-ab8c0bdee618",
+ "min_heap": 4096,
+ "min_stack": 8192,
+ "start_ports": [
+ {
+ "name": "com.android.trusty.memref.receiver",
+ "flags": {
+ "allow_ta_connect": false,
+ "allow_ns_connect": true
+ }
+ }
+ ]
+}
diff --git a/memref-test/receiver/receiver.c b/memref-test/receiver/receiver.c
new file mode 100644
index 0000000..7ad3bf4
--- /dev/null
+++ b/memref-test/receiver/receiver.c
@@ -0,0 +1,128 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed 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.
+ */
+
+#define TLOG_TAG "receiver"
+
+#define TLOG_LVL TLOG_LVL_DEBUG
+
+#include <assert.h>
+
+#include <inttypes.h>
+#include <lk/err_ptr.h>
+#include <lk/macros.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/auxv.h>
+
+#include <lib/tipc/tipc.h>
+#include <lib/tipc/tipc_srv.h>
+#include <lib/unittest/unittest.h>
+
+#include <sys/mman.h>
+#include <trusty_unittest.h>
+
+static struct tipc_port_acl receiver_port_acl = {
+ .flags = IPC_PORT_ALLOW_NS_CONNECT,
+ .uuid_num = 0,
+ .uuids = NULL,
+ .extra_data = NULL,
+};
+
+static struct tipc_port receiver_port = {
+ .name = "com.android.trusty.memref.receiver",
+ .msg_max_size = 1,
+ .msg_queue_len = 1,
+ .acl = &receiver_port_acl,
+ .priv = NULL,
+};
+
+static int receiver_on_message(const struct tipc_port* port,
+ handle_t chan,
+ void* ctx) {
+ assert(port == &receiver_port);
+ assert(ctx == NULL);
+ handle_t handle;
+ int rc;
+
+ struct ipc_msg msg = {
+ .iov = NULL,
+ .num_iov = 0,
+ .handles = &handle,
+ .num_handles = 1,
+ };
+
+ struct ipc_msg_info msg_inf;
+ rc = get_msg(chan, &msg_inf);
+ if (rc) {
+ return rc;
+ }
+
+ if (msg_inf.num_handles != 1) {
+ TLOGE("Message had no handles\n");
+ return -1;
+ }
+
+ rc = read_msg(chan, msg_inf.id, 0, &msg);
+ put_msg(chan, msg_inf.id);
+ if (rc < 0) {
+ TLOGE("Failed to read message\n");
+ return rc;
+ }
+
+ size_t page_size = getauxval(AT_PAGESZ);
+
+ char* out = mmap(0, page_size, PROT_READ | PROT_WRITE, 0, handle, 0);
+ if (out == MAP_FAILED) {
+ rc = (intptr_t)out;
+ TLOGE("Failed to mmap handle\n");
+ return rc;
+ }
+
+ strcpy(out, "Hello from Trusty!");
+
+ munmap((void*)out, page_size);
+
+ close(handle);
+
+ // Send a message for sync
+ char c = 0;
+ tipc_send1(chan, &c, 1);
+
+ return rc;
+}
+
+static struct tipc_srv_ops receiver_ops = {
+ .on_message = receiver_on_message,
+};
+
+int main(void) {
+ struct tipc_hset* hset = tipc_hset_create();
+
+ if (IS_ERR(hset)) {
+ return PTR_ERR(hset);
+ }
+
+ int rc = tipc_add_service(hset, &receiver_port, 1, 1, &receiver_ops);
+ if (rc < 0) {
+ return rc;
+ }
+
+ rc = tipc_run_event_loop(hset);
+ TLOGE("receiver going down: (%d)\n", rc);
+ return rc;
+}
diff --git a/memref-test/receiver/rules.mk b/memref-test/receiver/rules.mk
new file mode 100644
index 0000000..c25f1fc
--- /dev/null
+++ b/memref-test/receiver/rules.mk
@@ -0,0 +1,30 @@
+# Copyright (C) 2020 The Android Open Source Project
+#
+# Licensed 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.
+#
+
+LOCAL_DIR := $(GET_LOCAL_DIR)
+
+MODULE := $(LOCAL_DIR)
+
+MANIFEST := $(LOCAL_DIR)/manifest.json
+
+MODULE_SRCS += \
+ $(LOCAL_DIR)/receiver.c \
+
+MODULE_DEPS += \
+ trusty/user/base/lib/libc-trusty \
+ trusty/user/base/lib/tipc \
+ trusty/user/base/lib/unittest \
+
+include make/module.mk
diff --git a/usertests-inc.mk b/usertests-inc.mk
index 6622751..61ffd52 100644
--- a/usertests-inc.mk
+++ b/usertests-inc.mk
@@ -23,6 +23,7 @@
trusty/user/app/sample/manifest-test \
trusty/user/app/sample/memref-test \
trusty/user/app/sample/memref-test/lender \
+ trusty/user/app/sample/memref-test/receiver \
trusty/user/app/sample/timer \
trusty/user/app/sample/spi/swspi-srv \
trusty/user/app/sample/spi/swspi-test \
