Implement shell management command handlers.
Only zephyr is supported here.
Signed-off-by: Brian Bradley <brian.bradley.p@gmail.com>
diff --git a/cmd/CMakeLists.txt b/cmd/CMakeLists.txt
index b527aa8..3c62484 100644
--- a/cmd/CMakeLists.txt
+++ b/cmd/CMakeLists.txt
@@ -19,3 +19,4 @@
add_subdirectory_ifdef(CONFIG_MCUMGR_CMD_IMG_MGMT img_mgmt)
add_subdirectory_ifdef(CONFIG_MCUMGR_CMD_OS_MGMT os_mgmt)
add_subdirectory_ifdef(CONFIG_MCUMGR_CMD_STAT_MGMT stat_mgmt)
+add_subdirectory_ifdef(CONFIG_MCUMGR_CMD_SHELL_MGMT shell_mgmt)
diff --git a/cmd/shell_mgmt/CMakeLists.txt b/cmd/shell_mgmt/CMakeLists.txt
new file mode 100644
index 0000000..1130be6
--- /dev/null
+++ b/cmd/shell_mgmt/CMakeLists.txt
@@ -0,0 +1,26 @@
+# 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.
+
+target_include_directories(MCUMGR INTERFACE
+ include
+)
+
+zephyr_library_sources(
+ port/zephyr/src/zephyr_shell_mgmt.c
+ src/shell_mgmt.c
+ src/stubs.c
+)
diff --git a/cmd/shell_mgmt/include/shell_mgmt/shell_mgmt.h b/cmd/shell_mgmt/include/shell_mgmt/shell_mgmt.h
new file mode 100644
index 0000000..3f3bf16
--- /dev/null
+++ b/cmd/shell_mgmt/include/shell_mgmt/shell_mgmt.h
@@ -0,0 +1,43 @@
+/*
+ * 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 H_SHELL_MGMT_
+#define H_SHELL_MGMT_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * Command IDs for shell management group.
+ */
+#define SHELL_MGMT_ID_EXEC 0
+
+/**
+ * @brief Registers the shell management command handler group.
+ */
+void
+shell_mgmt_register_group(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* H_SHELL_MGMT_ */
+
diff --git a/cmd/shell_mgmt/include/shell_mgmt/shell_mgmt_config.h b/cmd/shell_mgmt/include/shell_mgmt/shell_mgmt_config.h
new file mode 100644
index 0000000..60206d7
--- /dev/null
+++ b/cmd/shell_mgmt/include/shell_mgmt/shell_mgmt_config.h
@@ -0,0 +1,43 @@
+/*
+ * 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 H_SHELL_MGMT_CONFIG_
+#define H_SHELL_MGMT_CONFIG_
+
+#if defined MYNEWT
+
+#include "syscfg/syscfg.h"
+
+#define SHELL_MGMT_MAX_LINE_LEN MYNEWT_VAL(SHELL_BRIDGE_MAX_IN_LEN)
+#define SHELL_MGMT_MAX_ARGC MYNEWT_VAL(SHELL_CMD_ARGC_MAX)
+
+#elif defined __ZEPHYR__
+
+#define SHELL_MGMT_MAX_LINE_LEN CONFIG_SHELL_CMD_BUFF_SIZE
+#define SHELL_MGMT_MAX_ARGC CONFIG_SHELL_ARGC_MAX
+
+#else
+
+/* No direct support for this OS. The application needs to define the above
+ * settings itself.
+ */
+
+#endif
+
+#endif
diff --git a/cmd/shell_mgmt/include/shell_mgmt/shell_mgmt_impl.h b/cmd/shell_mgmt/include/shell_mgmt/shell_mgmt_impl.h
new file mode 100644
index 0000000..716ed0a
--- /dev/null
+++ b/cmd/shell_mgmt/include/shell_mgmt/shell_mgmt_impl.h
@@ -0,0 +1,57 @@
+/*
+ * 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.
+ */
+
+/**
+ * @file
+ * @brief Declares implementation-specific functions required by shell
+ * management. The default stubs can be overridden with functions that
+ * are compatible with the host OS.
+ */
+
+#ifndef H_SHELL_MGMT_IMPL_
+#define H_SHELL_MGMT_IMPL_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief Execute `line` as a shell command
+ *
+ * @param line : shell command to be executed
+ * @return int : 0 on success, -errno otherwire
+ */
+int
+shell_mgmt_impl_exec(const char *line);
+
+/**
+ * @brief Capture the output of the shell
+ *
+ * @return const char* : shell output. This is not the return code, it is
+ * the string output of the shell command if it exists. If the shell provided no
+ * output, this will be an empty string
+ */
+const char *
+shell_mgmt_impl_get_output();
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/cmd/shell_mgmt/port/zephyr/src/zephyr_shell_mgmt.c b/cmd/shell_mgmt/port/zephyr/src/zephyr_shell_mgmt.c
new file mode 100644
index 0000000..077cd96
--- /dev/null
+++ b/cmd/shell_mgmt/port/zephyr/src/zephyr_shell_mgmt.c
@@ -0,0 +1,41 @@
+/*
+ * 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.
+ */
+
+#include <sys/util.h>
+#include <shell/shell.h>
+#include <mgmt/mgmt.h>
+#include <shell_mgmt/shell_mgmt.h>
+#include <shell/shell_dummy.h>
+
+int
+shell_mgmt_impl_exec(const char *line)
+{
+ const struct shell * shell = shell_backend_dummy_get_ptr();
+ shell_backend_dummy_clear_output(shell);
+ return shell_execute_cmd(shell, line);
+}
+
+const char *
+shell_mgmt_impl_get_output(){
+ size_t len;
+ return shell_backend_dummy_get_output(
+ shell_backend_dummy_get_ptr(),
+ &len
+ );
+}
diff --git a/cmd/shell_mgmt/src/shell_mgmt.c b/cmd/shell_mgmt/src/shell_mgmt.c
new file mode 100644
index 0000000..8e169a5
--- /dev/null
+++ b/cmd/shell_mgmt/src/shell_mgmt.c
@@ -0,0 +1,103 @@
+/*
+ * 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.
+ */
+
+#include <string.h>
+#include <stdio.h>
+#include "mgmt/mgmt.h"
+#include "cborattr/cborattr.h"
+#include "shell_mgmt/shell_mgmt.h"
+#include "shell_mgmt/shell_mgmt_impl.h"
+#include "shell_mgmt/shell_mgmt_config.h"
+
+static mgmt_handler_fn shell_mgmt_exec;
+
+static struct mgmt_handler shell_mgmt_handlers[] = {
+ [SHELL_MGMT_ID_EXEC] = { NULL, shell_mgmt_exec },
+};
+
+#define SHELL_MGMT_HANDLER_CNT \
+ sizeof shell_mgmt_handlers / sizeof shell_mgmt_handlers[0]
+
+static struct mgmt_group shell_mgmt_group = {
+ .mg_handlers = shell_mgmt_handlers,
+ .mg_handlers_count = SHELL_MGMT_HANDLER_CNT,
+ .mg_group_id = MGMT_GROUP_ID_SHELL,
+};
+
+/**
+ * Command handler: shell exec
+ */
+static int
+shell_mgmt_exec(struct mgmt_ctxt *cb)
+{
+ static char line[SHELL_MGMT_MAX_LINE_LEN + 1] = {0};
+ CborEncoder str_encoder;
+ CborError err;
+ int rc;
+ char *argv[SHELL_MGMT_MAX_ARGC];
+ int argc;
+
+ const struct cbor_attr_t attrs[] = {
+ {
+ .attribute = "argv",
+ .type = CborAttrArrayType,
+ .addr.array = {
+ .element_type = CborAttrTextStringType,
+ .arr.strings.ptrs = argv,
+ .arr.strings.store = line,
+ .arr.strings.storelen = sizeof line,
+ .count = &argc,
+ .maxlen = sizeof argv / sizeof argv[0],
+ },
+ },
+ { 0 },
+ };
+
+ err = cbor_read_object(&cb->it, attrs);
+ if (err != 0) {
+ return MGMT_ERR_EINVAL;
+ }
+
+ /* Key="o"; value=<command-output> */
+ err |= cbor_encode_text_stringz(&cb->encoder, "o");
+ err |= cbor_encoder_create_indef_text_string(&cb->encoder, &str_encoder);
+
+ rc = shell_mgmt_impl_exec(line);
+
+ err |= cbor_encode_text_stringz(&str_encoder,
+ shell_mgmt_impl_get_output());
+
+ err |= cbor_encoder_close_container(&cb->encoder, &str_encoder);
+
+ /* Key="rc"; value=<status> */
+ err |= cbor_encode_text_stringz(&cb->encoder, "rc");
+ err |= cbor_encode_int(&cb->encoder, rc);
+
+ if (err != 0) {
+ return MGMT_ERR_ENOMEM;
+ }
+
+ return 0;
+}
+
+void
+shell_mgmt_register_group(void)
+{
+ mgmt_register_group(&shell_mgmt_group);
+}
diff --git a/cmd/shell_mgmt/src/stubs.c b/cmd/shell_mgmt/src/stubs.c
new file mode 100644
index 0000000..0e375f3
--- /dev/null
+++ b/cmd/shell_mgmt/src/stubs.c
@@ -0,0 +1,38 @@
+/*
+ * 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.
+ */
+
+/**
+ * These stubs get linked in when there is no equivalent OS-specific
+ * implementation.
+ */
+
+#include "mgmt/mgmt.h"
+#include "shell_mgmt/shell_mgmt_impl.h"
+
+int __attribute__((weak))
+shell_mgmt_impl_exec(const char *line)
+{
+ return MGMT_ERR_ENOTSUP;
+}
+
+const char * __attribute__((weak))
+shell_mgmt_impl_get_output()
+{
+ return "";
+}
