Add full get_app_manifest_policy API implementation

Connected serviceImpl methods to IPC to provide fully functional
get_app_manifest_policy API

Change-Id: I7d94d15771330ca2352d3885698361ba8bc557a1

4 files changed, 86 insertions, 41 deletions

diff --git a/src/client/client-security-manager.cpp b/src/client/client-security-manager.cpp
index 8d5efe9b..e315ecfe 100644
--- a/src/client/client-security-manager.cpp
+++ b/src/client/client-security-manager.cpp
@@ -1025,6 +1025,42 @@ int security_manager_policy_update_send(policy_update_req *p_req)
     });
 }
 
+static inline int security_manager_recv_strings_array_internal(
+        ClientRequest &request,
+        char ***ppp_array,
+        size_t *p_size)
+{
+    int count;
+    request.recv(count);
+    *p_size = count;
+    LogInfo("Number of strings: " << *p_size);
+    char **array = new char *[*p_size];
+
+    for (unsigned int i = 0; i < *p_size; ++i) {
+        std::string str;
+        request.recv(str);
+        if (str.empty()) {
+           LogError("Unexpected empty string");
+           for (unsigned int j = 0; j < i; ++j)
+                free(array[j]);
+           delete [] array;
+           return SECURITY_MANAGER_ERROR_UNKNOWN;
+        }
+
+        array[i] = strdup(str.c_str());
+        if (array[i] == nullptr) {
+            for (unsigned int j = 0; j < i; ++j)
+                free(array[j]);
+            delete [] array;
+            return SECURITY_MANAGER_ERROR_MEMORY;
+        }
+    }
+
+    *ppp_array = array;
+
+    return SECURITY_MANAGER_SUCCESS;
+}
+
 static inline int security_manager_get_policy_internal(
         SecurityManager::SecurityModuleCall call_type,
         policy_entry *p_filter,
@@ -1100,18 +1136,24 @@ int security_manager_get_app_manifest_policy(
         char ***ppp_privileges,
         size_t *p_size)
 {
-    (void) app_name;
-    (void) uid;
-    (void) ppp_privileges;
-    (void) p_size;
-    return SECURITY_MANAGER_SUCCESS;
+    if (!app_name || !ppp_privileges || !p_size)
+        return SECURITY_MANAGER_ERROR_INPUT_PARAM;
+    return try_catch([&]() -> int {
+        ClientRequest request(SecurityModuleCall::GET_APP_MANIFEST_POLICY);
+        if (request.send(std::string(app_name), uid).failed())
+            return request.getStatus();
+        return security_manager_recv_strings_array_internal(request,
+                                                            ppp_privileges,
+                                                            p_size);
+   });
 }
 
 SECURITY_MANAGER_API
 void security_manager_privileges_free(char **pp_privileges, const size_t size)
 {
-    (void) pp_privileges;
-    (void) size;
+    for (size_t i = 0; i < size; ++i)
+        free(pp_privileges[i]);
+    delete [] pp_privileges;
 }
 
 
@@ -1240,40 +1282,9 @@ int security_manager_policy_levels_get(char ***levels, size_t *levels_count)
         ClientRequest request(SecurityModuleCall::POLICY_GET_DESCRIPTIONS);
         if (request.send().failed())
             return request.getStatus();
-
-        int count;
-        request.recv(count);
-        *levels_count = count;
-        LogInfo("Number of policy descriptions: " << *levels_count);
-
-        char **array = new char *[*levels_count];
-
-        for (unsigned int i = 0; i < *levels_count; ++i) {
-            std::string level;
-            request.recv(level);
-
-            if (level.empty()) {
-                LogError("Unexpected empty level");
-                for (unsigned int j = 0; j < i; ++j) {
-                    delete [] array[j];
-                }
-                delete [] array;
-                return SECURITY_MANAGER_ERROR_UNKNOWN;
-            }
-
-            array[i] = strdup(level.c_str());
-            if (array[i] == nullptr) {
-                for (unsigned int j = 0; j < i; ++j) {
-                    delete [] array[j];
-                }
-                delete [] array;
-                return SECURITY_MANAGER_ERROR_MEMORY;
-            }
-        }
-
-        *levels = array;
-
-        return SECURITY_MANAGER_SUCCESS;
+        return security_manager_recv_strings_array_internal(request,
+                                                            levels,
+                                                            levels_count);
     });
 }
 
diff --git a/src/common/include/protocols.h b/src/common/include/protocols.h
index ad4faf76..c694aef2 100644
--- a/src/common/include/protocols.h
+++ b/src/common/include/protocols.h
@@ -128,6 +128,7 @@ enum class SecurityModuleCall
     GET_CLIENT_PRIVILEGE_LICENSE,
     APP_SETUP_NAMESPACE,
     APP_CLEAN_NAMESPACE,
+    GET_APP_MANIFEST_POLICY,
     NOOP = 0x90,
 };
 
diff --git a/src/server/service/include/service.h b/src/server/service/include/service.h
index 11889358..a71e1288 100644
--- a/src/server/service/include/service.h
+++ b/src/server/service/include/service.h
@@ -59,6 +59,15 @@ private:
      */
     bool processOne(const ConnectionID &conn, MessageBuffer &buffer, InterfaceID interfaceID);
 
+
+    /**
+     * Process getting application manifest policy
+     * @param buffer    Raw received data buffer
+     * @param send      Raw data buffer to be sent
+     * @param creds     credentials of the requesting process
+     */
+    void processAppGetManifestPolicy(MessageBuffer &buffer, MessageBuffer &send, const Credentials &creds);
+
     /**
      * Process application installation
      *
diff --git a/src/server/service/service.cpp b/src/server/service/service.cpp
index 5d815003..d4f6e419 100644
--- a/src/server/service/service.cpp
+++ b/src/server/service/service.cpp
@@ -169,6 +169,10 @@ bool Service::processOne(const ConnectionID &conn, MessageBuffer &buffer,
                     LogDebug("call_type: SecurityModuleCall::APP_CLEAN_NAMESPACE");
                     processAppCleanNamespace(buffer, send, creds);
                     break;
+                case SecurityModuleCall::GET_APP_MANIFEST_POLICY:
+                    LogDebug("call_type: SecurityModuleCall::GET_APP_MANIFEST_POLICY");
+                    processAppGetManifestPolicy(buffer, send, creds);
+                    break;
                 default:
                     LogError("Invalid call: " << call_type_int);
                     Throw(ServiceException::InvalidAction);
@@ -199,6 +203,26 @@ bool Service::processOne(const ConnectionID &conn, MessageBuffer &buffer,
     return retval;
 }
 
+void Service::processAppGetManifestPolicy(MessageBuffer &buffer, MessageBuffer &send, const Credentials &creds)
+{
+    std::string appName;
+    uid_t uid;
+    int ret;
+    std::vector<std::string> privileges;
+
+    Deserialization::Deserialize(buffer, appName);
+    Deserialization::Deserialize(buffer, uid);
+
+    ret = serviceImpl.getAppManifestPolicy(creds, appName, uid, privileges);
+
+    Serialization::Serialize(send, ret);
+    if (ret == SECURITY_MANAGER_SUCCESS) {
+        Serialization::Serialize(send, static_cast<int>(privileges.size()));
+        for (const auto &privilege : privileges)
+            Serialization::Serialize(send, privilege);
+    }
+}
+
 void Service::processAppInstall(MessageBuffer &buffer, MessageBuffer &send, const Credentials &creds)
 {
     app_inst_req req;