Implementation of client stubs for updating and fetching policy
[platform/core/security/security-manager.git] / src / client / client-security-manager.cpp
index 6f3ca71..a11d4c4 100644 (file)
 
 #include <dpl/log/log.h>
 #include <dpl/exception.h>
-
+#include <smack-labels.h>
 #include <message-buffer.h>
 #include <client-common.h>
 #include <protocols.h>
-#include <smack-common.h>
+#include <service_impl.h>
+#include <file-lock.h>
 
 #include <security-manager.h>
 
+/**
+ * Mapping of lib_retcode error codes to theirs strings equivalents
+ */
+static std::map<enum lib_retcode, std::string> lib_retcode_string_map = {
+    {SECURITY_MANAGER_SUCCESS, "Success"},
+    {SECURITY_MANAGER_ERROR_UNKNOWN, "Unknown error"},
+    {SECURITY_MANAGER_ERROR_INPUT_PARAM, "Invalid function parameter was given"},
+    {SECURITY_MANAGER_ERROR_MEMORY, "Memory allocation error"},
+    {SECURITY_MANAGER_ERROR_REQ_NOT_COMPLETE, "Incomplete data in application request"},
+    {SECURITY_MANAGER_ERROR_AUTHENTICATION_FAILED, "User does not have sufficient "
+                                                   "rigths to perform an operation"}
+};
 
+SECURITY_MANAGER_API
+const char *security_manager_strerror(enum lib_retcode rc)
+{
+    try {
+        return lib_retcode_string_map.at(rc).c_str();
+    } catch (const std::out_of_range &e) {
+        return "Unknown error code";
+    }
+}
 
 SECURITY_MANAGER_API
 int security_manager_app_inst_req_new(app_inst_req **pp_req)
@@ -60,7 +82,7 @@ int security_manager_app_inst_req_new(app_inst_req **pp_req)
     } catch (std::bad_alloc& ex) {
         return SECURITY_MANAGER_ERROR_MEMORY;
     }
-
+    (*pp_req)->uid = geteuid();
 
     return SECURITY_MANAGER_SUCCESS;
 }
@@ -72,6 +94,18 @@ void security_manager_app_inst_req_free(app_inst_req *p_req)
 }
 
 SECURITY_MANAGER_API
+int security_manager_app_inst_req_set_uid(app_inst_req *p_req,
+                                          const uid_t uid)
+{
+    if (!p_req)
+        return SECURITY_MANAGER_ERROR_INPUT_PARAM;
+
+    p_req->uid = uid;
+
+    return SECURITY_MANAGER_SUCCESS;
+}
+
+SECURITY_MANAGER_API
 int security_manager_app_inst_req_set_app_id(app_inst_req *p_req, const char *app_id)
 {
     if (!p_req || !app_id)
@@ -119,7 +153,6 @@ SECURITY_MANAGER_API
 int security_manager_app_install(const app_inst_req *p_req)
 {
     using namespace SecurityManager;
-    MessageBuffer send, recv;
 
     return try_catch([&] {
         //checking parameters
@@ -128,27 +161,46 @@ int security_manager_app_install(const app_inst_req *p_req)
         if (p_req->appId.empty() || p_req->pkgId.empty())
             return SECURITY_MANAGER_ERROR_REQ_NOT_COMPLETE;
 
-        //put data into buffer
-        Serialization::Serialize(send, (int)SecurityModuleCall::APP_INSTALL);
-        Serialization::Serialize(send, p_req->appId);
-        Serialization::Serialize(send, p_req->pkgId);
-        Serialization::Serialize(send, p_req->privileges);
-        Serialization::Serialize(send, p_req->appPaths);
+        bool offlineMode;
+        int retval;
 
-        //send buffer to server
-        int retval = sendToServer(SERVICE_SOCKET, send.Pop(), recv);
-        if (retval != SECURITY_MANAGER_API_SUCCESS) {
-            LogError("Error in sendToServer. Error code: " << retval);
-            return SECURITY_MANAGER_ERROR_UNKNOWN;
+        try {
+            SecurityManager::FileLocker serviceLock(SecurityManager::SERVICE_LOCK_FILE);
+            if ((offlineMode = serviceLock.Locked())) {
+                LogInfo("Working in offline mode.");
+                retval = SecurityManager::ServiceImpl::appInstall(*p_req, geteuid());
+            }
+        } catch (const SecurityManager::FileLocker::Exception::Base &e) {
+            offlineMode = false;
         }
+        if (!offlineMode) {
+            MessageBuffer send, recv;
+
+            //put data into buffer
+            Serialization::Serialize(send, (int)SecurityModuleCall::APP_INSTALL);
+            Serialization::Serialize(send, p_req->appId);
+            Serialization::Serialize(send, p_req->pkgId);
+            Serialization::Serialize(send, p_req->privileges);
+            Serialization::Serialize(send, p_req->appPaths);
+            Serialization::Serialize(send, p_req->uid);
+
+            //send buffer to server
+            retval = sendToServer(SERVICE_SOCKET, send.Pop(), recv);
+            if (retval != SECURITY_MANAGER_API_SUCCESS) {
+                LogError("Error in sendToServer. Error code: " << retval);
+                return SECURITY_MANAGER_ERROR_UNKNOWN;
+            }
 
-        //receive response from server
-        Deserialization::Deserialize(recv, retval);
+            //receive response from server
+            Deserialization::Deserialize(recv, retval);
+        }
         switch(retval) {
             case SECURITY_MANAGER_API_SUCCESS:
                 return SECURITY_MANAGER_SUCCESS;
             case SECURITY_MANAGER_API_ERROR_AUTHENTICATION_FAILED:
                 return SECURITY_MANAGER_ERROR_AUTHENTICATION_FAILED;
+            case SECURITY_MANAGER_API_ERROR_INPUT_PARAM:
+                return SECURITY_MANAGER_ERROR_INPUT_PARAM;
             default:
                 return SECURITY_MANAGER_ERROR_UNKNOWN;
         }
@@ -305,37 +357,8 @@ static bool setup_smack(const char *label)
 }
 
 SECURITY_MANAGER_API
-int security_manager_set_process_label_from_binary(const char *path)
-{
-    char *smack_label;
-    int ret;
-
-    LogDebug("security_manager_set_process_label_from_binary() called");
-
-    if (smack_smackfs_path() == NULL)
-        return SECURITY_MANAGER_SUCCESS;
-
-    if (path == NULL) {
-        LogError("security_manager_set_process_label_from_binary: path is NULL");
-        return SECURITY_MANAGER_ERROR_INPUT_PARAM;
-    }
-
-    ret = SecurityManager::getSmackLabelFromBinary(&smack_label, path);
-    if (ret == SECURITY_MANAGER_SUCCESS && smack_label != NULL) {
-        ret = setup_smack(smack_label);
-        if (ret != SECURITY_MANAGER_SUCCESS) {
-            LogError("Failed to set smack label " << smack_label << " for current process");
-        }
-        free(smack_label);
-    }
-
-    return ret;
-}
-
-SECURITY_MANAGER_API
 int security_manager_set_process_label_from_appid(const char *app_id)
 {
-    char *pkg_id;
     int ret;
     std::string appLabel;
 
@@ -344,23 +367,17 @@ int security_manager_set_process_label_from_appid(const char *app_id)
     if (smack_smackfs_path() == NULL)
         return SECURITY_MANAGER_SUCCESS;
 
-    ret = security_manager_get_app_pkgid(&pkg_id, app_id);
-    if (ret != SECURITY_MANAGER_SUCCESS) {
-        return ret;
+    if (SecurityManager::generateAppLabel(std::string(app_id), appLabel) == false) {
+        LogError("Failed to generate smack label for appId: " << app_id);
+        return SECURITY_MANAGER_API_ERROR_NO_SUCH_OBJECT;
     }
 
-    if (SecurityManager::generateAppLabel(std::string(pkg_id), appLabel)) {
-        ret = setup_smack(appLabel.c_str());
-        if (ret != SECURITY_MANAGER_SUCCESS) {
-            LogError("Failed to set smack label " << appLabel << " for current process");
-        }
-    }
-    else {
-        ret = SECURITY_MANAGER_ERROR_UNKNOWN;
+    if ((ret = setup_smack(appLabel.c_str())) != SECURITY_MANAGER_SUCCESS) {
+        LogError("Failed to set smack label " << appLabel << " for current process");
+        return ret;
     }
 
-    free(pkg_id);
-    return ret;
+    return SECURITY_MANAGER_SUCCESS;
 }
 
 SECURITY_MANAGER_API
@@ -492,3 +509,412 @@ int security_manager_prepare_app(const char *app_id)
     ret = security_manager_drop_process_privileges();
     return ret;
 }
+
+SECURITY_MANAGER_API
+int security_manager_user_req_new(user_req **pp_req)
+{
+    if (!pp_req)
+        return SECURITY_MANAGER_ERROR_INPUT_PARAM;
+    try {
+        *pp_req = new user_req;
+    } catch (std::bad_alloc& ex) {
+        return SECURITY_MANAGER_ERROR_MEMORY;
+    }
+    return SECURITY_MANAGER_SUCCESS;
+}
+
+SECURITY_MANAGER_API
+void security_manager_user_req_free(user_req *p_req)
+{
+    delete p_req;
+}
+
+SECURITY_MANAGER_API
+int security_manager_user_req_set_uid(user_req *p_req, uid_t uid)
+{
+    if (!p_req)
+        return SECURITY_MANAGER_ERROR_INPUT_PARAM;
+
+    p_req->uid = uid;
+
+    return SECURITY_MANAGER_SUCCESS;
+}
+
+SECURITY_MANAGER_API
+int security_manager_user_req_set_user_type(user_req *p_req, security_manager_user_type utype)
+{
+    if (!p_req)
+        return SECURITY_MANAGER_ERROR_INPUT_PARAM;
+
+    p_req->utype = static_cast<int>(utype);
+
+    return SECURITY_MANAGER_SUCCESS;
+}
+
+SECURITY_MANAGER_API
+int security_manager_user_add(const user_req *p_req)
+{
+    using namespace SecurityManager;
+    bool offlineMode;
+    MessageBuffer send, recv;
+    if (!p_req)
+        return SECURITY_MANAGER_ERROR_INPUT_PARAM;
+    return try_catch([&] {
+        int retval;
+        try {
+            SecurityManager::FileLocker serviceLock(SecurityManager::SERVICE_LOCK_FILE);
+            if ((offlineMode = serviceLock.Locked())) {
+                LogInfo("Working in offline mode.");
+                retval = SecurityManager::ServiceImpl::userAdd(p_req->uid, p_req->utype, geteuid());
+            }
+        } catch (const SecurityManager::FileLocker::Exception::Base &e) {
+            offlineMode = false;
+        }
+        if (!offlineMode) {
+            //server is working
+
+            //put data into buffer
+            Serialization::Serialize(send, static_cast<int>(SecurityModuleCall::USER_ADD));
+
+            Serialization::Serialize(send, p_req->uid);
+            Serialization::Serialize(send, p_req->utype);
+
+            //send buffer to server
+            retval = sendToServer(SERVICE_SOCKET, send.Pop(), recv);
+            if (retval != SECURITY_MANAGER_API_SUCCESS) {
+                LogError("Error in sendToServer. Error code: " << retval);
+                return SECURITY_MANAGER_ERROR_UNKNOWN;
+            }
+
+            //receive response from server
+            Deserialization::Deserialize(recv, retval);
+        }
+        switch(retval) {
+        case SECURITY_MANAGER_API_SUCCESS:
+            return SECURITY_MANAGER_SUCCESS;
+        case SECURITY_MANAGER_API_ERROR_AUTHENTICATION_FAILED:
+            return SECURITY_MANAGER_ERROR_AUTHENTICATION_FAILED;
+        default:
+            return SECURITY_MANAGER_ERROR_UNKNOWN;
+        }
+    });
+}
+
+SECURITY_MANAGER_API
+int security_manager_user_delete(const user_req *p_req)
+{
+    using namespace SecurityManager;
+    MessageBuffer send, recv;
+    if (!p_req)
+        return SECURITY_MANAGER_ERROR_INPUT_PARAM;
+    return try_catch([&] {
+
+        //put data into buffer
+        Serialization::Serialize(send, static_cast<int>(SecurityModuleCall::USER_DELETE));
+
+        Serialization::Serialize(send, p_req->uid);
+
+
+        //send buffer to server
+        int retval = sendToServer(SERVICE_SOCKET, send.Pop(), recv);
+        if (retval != SECURITY_MANAGER_API_SUCCESS) {
+            LogError("Error in sendToServer. Error code: " << retval);
+            return SECURITY_MANAGER_ERROR_UNKNOWN;
+        }
+
+        //receive response from server
+        Deserialization::Deserialize(recv, retval);
+        switch(retval) {
+        case SECURITY_MANAGER_API_SUCCESS:
+            return SECURITY_MANAGER_SUCCESS;
+        case SECURITY_MANAGER_API_ERROR_AUTHENTICATION_FAILED:
+            return SECURITY_MANAGER_ERROR_AUTHENTICATION_FAILED;
+        default:
+            return SECURITY_MANAGER_ERROR_UNKNOWN;
+        }
+    });
+}
+
+
+/***************************POLICY***************************************/
+
+SECURITY_MANAGER_API
+int security_manager_policy_update_req_new(policy_update_req **pp_req)
+{
+    if (!pp_req)
+        return SECURITY_MANAGER_ERROR_INPUT_PARAM;
+
+    try {
+        *pp_req = new policy_update_req;
+    } catch (std::bad_alloc& ex) {
+        return SECURITY_MANAGER_ERROR_MEMORY;
+    }
+
+    return SECURITY_MANAGER_SUCCESS;
+}
+
+SECURITY_MANAGER_API
+void security_manager_policy_update_req_free(policy_update_req *p_req)
+{
+    delete p_req;
+}
+
+SECURITY_MANAGER_API
+int security_manager_policy_update_send(policy_update_req *p_req)
+{
+    using namespace SecurityManager;
+    MessageBuffer send, recv;
+
+    if (p_req == nullptr || p_req->units.size() == 0)
+        return SECURITY_MANAGER_ERROR_INPUT_PARAM;
+
+    return try_catch([&] {
+
+        //put request into buffer
+        Serialization::Serialize(send, static_cast<int>(SecurityModuleCall::POLICY_UPDATE));
+        Serialization::Serialize(send, p_req->units);
+
+        //send it to server
+        int retval = sendToServer(SERVICE_SOCKET, send.Pop(), recv);
+        if (retval != SECURITY_MANAGER_API_SUCCESS) {
+            LogError("Error in sendToServer. Error code: " << retval);
+            return SECURITY_MANAGER_ERROR_UNKNOWN;
+        }
+
+        //receive response from server
+        Deserialization::Deserialize(recv, retval);
+        switch(retval) {
+            case SECURITY_MANAGER_API_SUCCESS:
+                return SECURITY_MANAGER_SUCCESS;
+            case SECURITY_MANAGER_API_ERROR_AUTHENTICATION_FAILED:
+                return SECURITY_MANAGER_ERROR_AUTHENTICATION_FAILED;
+            default:
+                return SECURITY_MANAGER_ERROR_UNKNOWN;
+        }
+    });
+}
+
+static inline int security_manager_get_policy_internal(
+        SecurityManager::SecurityModuleCall call_type,
+        policy_entry *p_filter,
+        policy_entry **pp_privs_policy,
+        size_t *p_size)
+{
+    using namespace SecurityManager;
+    MessageBuffer send, recv;
+
+    if (pp_privs_policy == nullptr || p_size == nullptr)
+        return SECURITY_MANAGER_ERROR_INPUT_PARAM;
+
+    return try_catch([&] {
+        //put request into buffer
+        Serialization::Serialize(send, static_cast<int>(call_type));
+        Serialization::Serialize(send, *p_filter);
+        //send it to server
+        int retval = sendToServer(SERVICE_SOCKET, send.Pop(), recv);
+        if (retval != SECURITY_MANAGER_API_SUCCESS) {
+            LogError("Error in sendToServer. Error code: " << retval);
+            return SECURITY_MANAGER_ERROR_UNKNOWN;
+        }
+        //receive response from server
+        Deserialization::Deserialize(recv, retval);
+        switch(retval) {
+            case SECURITY_MANAGER_API_SUCCESS: {
+                //extract and allocate buffers for privs policy entries
+                size_t entriesCnt = 0;
+                policy_entry **entries = nullptr;
+                Deserialization::Deserialize(recv, entriesCnt);
+                try {
+                    entries = new policy_entry*[entriesCnt]();
+                    for (size_t i = 0; i < entriesCnt; ++i)
+                        Deserialization::Deserialize(recv, entries[i]);
+                } catch (...) {
+                    LogError("Error while parsing server response");
+                    for (size_t i = 0; i < entriesCnt; ++i)
+                        delete(entries[i]);
+                    delete entries;
+                    return SECURITY_MANAGER_ERROR_UNKNOWN;
+                }
+                *p_size = entriesCnt;
+                pp_privs_policy = entries;
+                return SECURITY_MANAGER_SUCCESS;
+            }
+            case SECURITY_MANAGER_API_ERROR_AUTHENTICATION_FAILED:
+                return SECURITY_MANAGER_ERROR_AUTHENTICATION_FAILED;
+
+            default:
+                return SECURITY_MANAGER_ERROR_UNKNOWN;
+        }
+    });
+}
+
+SECURITY_MANAGER_API
+int security_manager_get_configured_policy_for_admin(
+        policy_entry *p_filter,
+        policy_entry **pp_privs_policy,
+        size_t *p_size)
+{
+    return security_manager_get_policy_internal(SecurityModuleCall::GET_CONF_POLICY_ADMIN, p_filter, pp_privs_policy, p_size);
+}
+
+SECURITY_MANAGER_API
+int security_manager_get_configured_policy_for_self(
+        policy_entry *p_filter,
+        policy_entry **pp_privs_policy,
+        size_t *p_size)
+{
+    return security_manager_get_policy_internal(SecurityModuleCall::GET_CONF_POLICY_SELF, p_filter, pp_privs_policy, p_size);
+}
+
+SECURITY_MANAGER_API
+int security_manager_get_policy(
+        policy_entry *p_filter,
+        policy_entry **pp_privs_policy,
+        size_t *p_size)
+{
+    return security_manager_get_policy_internal(SecurityModuleCall::GET_POLICY, p_filter, pp_privs_policy, p_size);
+};
+
+SECURITY_MANAGER_API
+int security_manager_policy_entry_new(policy_entry **p_entry)
+{
+    if (!p_entry)
+        return SECURITY_MANAGER_ERROR_INPUT_PARAM;
+
+    try {
+        *p_entry = new policy_entry;
+    } catch (std::bad_alloc& ex) {
+        return SECURITY_MANAGER_ERROR_MEMORY;
+    }
+
+    return SECURITY_MANAGER_SUCCESS;
+}
+
+SECURITY_MANAGER_API
+void security_manager_policy_entry_free(policy_entry *p_entry)
+{
+    delete p_entry;
+}
+
+SECURITY_MANAGER_API
+int security_manager_policy_entry_set_application(policy_entry *p_entry, const char *app_id)
+{
+    if (!p_entry)
+        return  SECURITY_MANAGER_ERROR_INPUT_PARAM;
+    p_entry->appId = app_id;
+    return  SECURITY_MANAGER_SUCCESS;
+}
+
+SECURITY_MANAGER_API
+int security_manager_policy_entry_set_user(policy_entry *p_entry, const char *user)
+{
+    if (!p_entry)
+        return  SECURITY_MANAGER_ERROR_INPUT_PARAM;
+    p_entry->user = user;
+    return  SECURITY_MANAGER_SUCCESS;
+}
+
+SECURITY_MANAGER_API
+int security_manager_policy_entry_set_privilege(policy_entry *p_entry, const char *privilege)
+{
+    if (!p_entry)
+        return  SECURITY_MANAGER_ERROR_INPUT_PARAM;
+    p_entry->privilege = privilege;
+    return  SECURITY_MANAGER_SUCCESS;
+}
+
+SECURITY_MANAGER_API
+int security_manager_policy_entry_set_level(policy_entry *p_entry, const char *policy_level)
+{
+    if (!p_entry)
+        return  SECURITY_MANAGER_ERROR_INPUT_PARAM;
+    p_entry->currentLevel = policy_level;
+    return  SECURITY_MANAGER_SUCCESS;
+}
+
+SECURITY_MANAGER_API
+int security_manager_policy_entry_admin_set_level(policy_entry *p_entry, const char *policy_level)
+{
+    if (!p_entry)
+        return  SECURITY_MANAGER_ERROR_INPUT_PARAM;
+    p_entry->maxLevel = policy_level;
+    return  SECURITY_MANAGER_SUCCESS;
+}
+
+SECURITY_MANAGER_API
+int security_manager_policy_update_req_add_entry(policy_update_req *p_req, const policy_entry *p_entry)
+{
+    if (!p_entry || !p_req)
+        return  SECURITY_MANAGER_ERROR_INPUT_PARAM;
+    p_req->units.push_back(p_entry);
+
+    return  SECURITY_MANAGER_SUCCESS;
+}
+
+SECURITY_MANAGER_API
+const char *security_manager_policy_entry_get_user(policy_entry *p_entry)
+{
+    if (p_entry)
+        return strdup(p_entry->user.c_str());
+    else
+        return nullptr;
+}
+
+SECURITY_MANAGER_API
+const char *security_manager_policy_entry_get_application(policy_entry *p_entry)
+{
+    if (p_entry)
+        return strdup(p_entry->appId.c_str());
+    else
+        return nullptr;
+}
+SECURITY_MANAGER_API
+const char *security_manager_policy_entry_get_privilege(policy_entry *p_entry)
+{
+    if (p_entry)
+        return strdup(p_entry->privilege.c_str());
+    else
+        return nullptr;
+}
+SECURITY_MANAGER_API
+const char *security_manager_policy_entry_get_level(policy_entry *p_entry)
+{
+    if (p_entry)
+        return strdup(p_entry->currentLevel.c_str());
+    else
+        return nullptr;
+}
+
+SECURITY_MANAGER_API
+const char *security_manager_policy_entry_get_max_level(policy_entry *p_entry)
+{
+    if (p_entry)
+        return strdup(p_entry->maxLevel.c_str());
+    else
+        return nullptr;
+}
+
+SECURITY_MANAGER_API
+void security_manager_policy_entries_free(policy_entry *p_entries, const size_t size)
+{
+    for (size_t i = 0; i < size; i++) {
+        delete &p_entries[i];
+    }
+    delete [] p_entries;
+}
+
+SECURITY_MANAGER_API
+int security_manager_policy_levels_get(char ***levels, size_t *levels_count)
+{
+    (void)levels;
+    (void)levels_count;
+
+    return 0;
+}
+
+SECURITY_MANAGER_API
+void security_manager_policy_levels_free(char **levels, size_t levels_count)
+{
+    (void)levels;
+    (void)levels_count;
+}