1 files changed, 467 insertions, 0 deletions

diff --git a/src/diagnostics_relay.c b/src/diagnostics_relay.c
new file mode 100644
index 0000000..6ee3150
--- /dev/null
+++ b/src/diagnostics_relay.c
@@ -0,0 +1,467 @@
+/*
+ * diagnostics_relay.c
+ * com.apple.mobile.diagnostics_relay service implementation.
+ *
+ * Copyright (c) 2012 Martin Szulecki, All Rights Reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <string.h>
+#include <stdlib.h>
+#include "diagnostics_relay.h"
+#include "property_list_service.h"
+#include "common/debug.h"
+
+#define RESULT_SUCCESS 0
+#define RESULT_FAILURE 1
+#define RESULT_UNKNOWN_REQUEST 2
+
+/**
+ * Internally used function for checking the result from a service response
+ * plist to a previously sent request.
+ *
+ * @param dict The plist to evaluate.
+ *
+ * @return RESULT_SUCCESS when the result is 'Success',
+ *         RESULT_FAILURE when the result is 'Failure',
+ *         or a negative value if an error occurred during evaluation.
+ */
+static int diagnostics_relay_check_result(plist_t dict)
+{
+        int ret = -1;
+
+        plist_t result_node = plist_dict_get_item(dict, "Status");
+        if (!result_node)
+                return ret;
+
+        plist_type result_type = plist_get_node_type(result_node);
+        if (result_type == PLIST_STRING) {
+                char *result_value = NULL;
+
+                plist_get_string_val(result_node, &result_value);
+
+                if (result_value) {
+                        if (!strcmp(result_value, "Success")) {
+                                ret = RESULT_SUCCESS;
+                        } else if (!strcmp(result_value, "Failure")) {
+                                ret = RESULT_FAILURE;
+                        } else if (!strcmp(result_value, "UnknownRequest")) {
+                                ret = RESULT_UNKNOWN_REQUEST;
+                        } else {
+                                debug_info("ERROR: unknown result value '%s'", result_value);
+                        }
+                }
+                if (result_value)
+                        free(result_value);
+        }
+        return ret;
+}
+
+diagnostics_relay_error_t diagnostics_relay_client_new(idevice_t device, lockdownd_service_descriptor_t service, diagnostics_relay_client_t *client)
+{
+        if (!device || !service || service->port == 0 || !client || *client) {
+                return DIAGNOSTICS_RELAY_E_INVALID_ARG;
+        }
+
+        property_list_service_client_t plistclient = NULL;
+        if (property_list_service_client_new(device, service, &plistclient) != PROPERTY_LIST_SERVICE_E_SUCCESS) {
+                return DIAGNOSTICS_RELAY_E_MUX_ERROR;
+        }
+
+        /* create client object */
+        diagnostics_relay_client_t client_loc = (diagnostics_relay_client_t) malloc(sizeof(struct diagnostics_relay_client_private));
+        client_loc->parent = plistclient;
+
+        /* all done, return success */
+        *client = client_loc;
+        return DIAGNOSTICS_RELAY_E_SUCCESS;
+}
+
+diagnostics_relay_error_t diagnostics_relay_client_start_service(idevice_t device, diagnostics_relay_client_t * client, const char* label)
+{
+        diagnostics_relay_error_t err = DIAGNOSTICS_RELAY_E_UNKNOWN_ERROR;
+        service_client_factory_start_service(device, DIAGNOSTICS_RELAY_SERVICE_NAME, (void**)client, label, SERVICE_CONSTRUCTOR(diagnostics_relay_client_new), &err);
+        return err;
+}
+
+diagnostics_relay_error_t diagnostics_relay_client_free(diagnostics_relay_client_t client)
+{
+        if (!client)
+                return DIAGNOSTICS_RELAY_E_INVALID_ARG;
+
+        if (property_list_service_client_free(client->parent) != PROPERTY_LIST_SERVICE_E_SUCCESS) {
+                return DIAGNOSTICS_RELAY_E_UNKNOWN_ERROR;
+        }
+        free(client);
+        return DIAGNOSTICS_RELAY_E_SUCCESS;
+}
+
+/**
+ * Receives a plist from the service.
+ *
+ * @param client The diagnostics_relay client
+ * @param plist The plist to store the received data
+ *
+ * @return DIAGNOSTICS_RELAY_E_SUCCESS on success,
+ *  DIAGNOSTICS_RELAY_E_INVALID_ARG when client or plist is NULL
+ */
+static diagnostics_relay_error_t diagnostics_relay_receive(diagnostics_relay_client_t client, plist_t *plist)
+{
+        if (!client || !plist || (plist && *plist))
+                return DIAGNOSTICS_RELAY_E_INVALID_ARG;
+
+        diagnostics_relay_error_t ret = DIAGNOSTICS_RELAY_E_SUCCESS;
+        property_list_service_error_t err;
+
+        err = property_list_service_receive_plist(client->parent, plist);
+        if (err != PROPERTY_LIST_SERVICE_E_SUCCESS) {
+                ret = DIAGNOSTICS_RELAY_E_UNKNOWN_ERROR;
+        }
+
+        if (!*plist)
+                ret = DIAGNOSTICS_RELAY_E_PLIST_ERROR;
+
+        return ret;
+}
+
+/**
+ * Sends a plist to the service.
+ *
+ * @note This function is low-level and should only be used if you need to send
+ *        a new type of message.
+ *
+ * @param client The diagnostics_relay client
+ * @param plist The plist to send
+ *
+ * @return DIAGNOSTICS_RELAY_E_SUCCESS on success,
+ *  DIAGNOSTICS_RELAY_E_INVALID_ARG when client or plist is NULL
+ */
+static diagnostics_relay_error_t diagnostics_relay_send(diagnostics_relay_client_t client, plist_t plist)
+{
+        if (!client || !plist)
+                return DIAGNOSTICS_RELAY_E_INVALID_ARG;
+
+        diagnostics_relay_error_t ret = DIAGNOSTICS_RELAY_E_SUCCESS;
+        property_list_service_error_t err;
+
+        err = property_list_service_send_xml_plist(client->parent, plist);
+        if (err != PROPERTY_LIST_SERVICE_E_SUCCESS) {
+                ret = DIAGNOSTICS_RELAY_E_UNKNOWN_ERROR;
+        }
+        return ret;
+}
+
+diagnostics_relay_error_t diagnostics_relay_goodbye(diagnostics_relay_client_t client)
+{
+        if (!client)
+                return DIAGNOSTICS_RELAY_E_INVALID_ARG;
+
+        diagnostics_relay_error_t ret = DIAGNOSTICS_RELAY_E_UNKNOWN_ERROR;
+
+        plist_t dict = plist_new_dict();
+        plist_dict_set_item(dict, "Request", plist_new_string("Goodbye"));
+
+        ret = diagnostics_relay_send(client, dict);
+        plist_free(dict);
+        dict = NULL;
+
+        ret = diagnostics_relay_receive(client, &dict);
+        if (!dict) {
+                debug_info("did not get goodbye response back");
+                return DIAGNOSTICS_RELAY_E_PLIST_ERROR;
+        }
+
+        int check = diagnostics_relay_check_result(dict);
+        if (check == RESULT_SUCCESS) {
+                ret = DIAGNOSTICS_RELAY_E_SUCCESS;
+        } else if (check == RESULT_UNKNOWN_REQUEST) {
+                ret = DIAGNOSTICS_RELAY_E_UNKNOWN_REQUEST;
+        } else {
+                ret = DIAGNOSTICS_RELAY_E_UNKNOWN_ERROR;
+        }
+
+        plist_free(dict);
+        dict = NULL;
+        return ret;
+}
+
+diagnostics_relay_error_t diagnostics_relay_sleep(diagnostics_relay_client_t client)
+{
+        if (!client)
+                return DIAGNOSTICS_RELAY_E_INVALID_ARG;
+
+        diagnostics_relay_error_t ret = DIAGNOSTICS_RELAY_E_UNKNOWN_ERROR;
+
+        plist_t dict = plist_new_dict();
+
+        plist_dict_set_item(dict,"Request", plist_new_string("Sleep"));
+        ret = diagnostics_relay_send(client, dict);
+        plist_free(dict);
+        dict = NULL;
+
+        ret = diagnostics_relay_receive(client, &dict);
+        if (!dict) {
+                return DIAGNOSTICS_RELAY_E_PLIST_ERROR;
+        }
+
+        int check = diagnostics_relay_check_result(dict);
+        if (check == RESULT_SUCCESS) {
+                ret = DIAGNOSTICS_RELAY_E_SUCCESS;
+        } else if (check == RESULT_UNKNOWN_REQUEST) {
+                ret = DIAGNOSTICS_RELAY_E_UNKNOWN_REQUEST;
+        } else {
+                ret = DIAGNOSTICS_RELAY_E_UNKNOWN_ERROR;
+        }
+
+        plist_free(dict);
+        return ret;
+}
+
+static diagnostics_relay_error_t internal_diagnostics_relay_action(diagnostics_relay_client_t client, const char* name, diagnostics_relay_action_t flags)
+{
+        if (!client)
+                return DIAGNOSTICS_RELAY_E_INVALID_ARG;
+
+        diagnostics_relay_error_t ret = DIAGNOSTICS_RELAY_E_UNKNOWN_ERROR;
+
+        plist_t dict = plist_new_dict();
+        plist_dict_set_item(dict,"Request", plist_new_string(name));
+
+        if (flags & DIAGNOSTICS_RELAY_ACTION_FLAG_WAIT_FOR_DISCONNECT) {
+                plist_dict_set_item(dict, "WaitForDisconnect", plist_new_bool(1));
+        }
+
+        if (flags & DIAGNOSTICS_RELAY_ACTION_FLAG_DISPLAY_PASS) {
+                plist_dict_set_item(dict, "DisplayPass", plist_new_bool(1));
+        }
+
+        if (flags & DIAGNOSTICS_RELAY_ACTION_FLAG_DISPLAY_FAIL) {
+                plist_dict_set_item(dict, "DisplayFail", plist_new_bool(1));
+        }
+
+        ret = diagnostics_relay_send(client, dict);
+        plist_free(dict);
+        dict = NULL;
+
+        ret = diagnostics_relay_receive(client, &dict);
+        if (!dict) {
+                return DIAGNOSTICS_RELAY_E_PLIST_ERROR;
+        }
+
+        int check = diagnostics_relay_check_result(dict);
+        if (check == RESULT_SUCCESS) {
+                ret = DIAGNOSTICS_RELAY_E_SUCCESS;
+        } else if (check == RESULT_UNKNOWN_REQUEST) {
+                ret = DIAGNOSTICS_RELAY_E_UNKNOWN_REQUEST;
+        } else {
+                ret = DIAGNOSTICS_RELAY_E_UNKNOWN_ERROR;
+        }
+
+        plist_free(dict);
+        return ret;
+}
+
+diagnostics_relay_error_t diagnostics_relay_restart(diagnostics_relay_client_t client, diagnostics_relay_action_t flags)
+{
+        return internal_diagnostics_relay_action(client, "Restart", flags);
+}
+
+diagnostics_relay_error_t diagnostics_relay_shutdown(diagnostics_relay_client_t client, diagnostics_relay_action_t flags)
+{
+        return internal_diagnostics_relay_action(client, "Shutdown", flags);
+}
+
+diagnostics_relay_error_t diagnostics_relay_request_diagnostics(diagnostics_relay_client_t client, const char* type, plist_t* diagnostics)
+{
+        if (!client || diagnostics == NULL)
+                return DIAGNOSTICS_RELAY_E_INVALID_ARG;
+
+        diagnostics_relay_error_t ret = DIAGNOSTICS_RELAY_E_UNKNOWN_ERROR;
+
+        plist_t dict = plist_new_dict();
+        plist_dict_set_item(dict,"Request", plist_new_string(type));
+        ret = diagnostics_relay_send(client, dict);
+        plist_free(dict);
+        dict = NULL;
+        if (ret != DIAGNOSTICS_RELAY_E_SUCCESS) {
+                return ret;
+        }
+
+        ret = diagnostics_relay_receive(client, &dict);
+        if (!dict) {
+                return DIAGNOSTICS_RELAY_E_PLIST_ERROR;
+        }
+
+        int check = diagnostics_relay_check_result(dict);
+        if (check == RESULT_SUCCESS) {
+                ret = DIAGNOSTICS_RELAY_E_SUCCESS;
+        } else if (check == RESULT_UNKNOWN_REQUEST) {
+                ret = DIAGNOSTICS_RELAY_E_UNKNOWN_REQUEST;
+        } else {
+                ret = DIAGNOSTICS_RELAY_E_UNKNOWN_ERROR;
+        }
+
+        if (ret != DIAGNOSTICS_RELAY_E_SUCCESS) {
+                plist_free(dict);
+                return ret;
+        }
+
+        plist_t value_node = plist_dict_get_item(dict, "Diagnostics");
+        if (value_node) {
+                *diagnostics = plist_copy(value_node);
+        }
+
+        plist_free(dict);
+        return ret;
+}
+
+diagnostics_relay_error_t diagnostics_relay_query_mobilegestalt(diagnostics_relay_client_t client, plist_t keys, plist_t* result)
+{
+        if (!client || plist_get_node_type(keys) != PLIST_ARRAY || result == NULL)
+                return DIAGNOSTICS_RELAY_E_INVALID_ARG;
+
+        diagnostics_relay_error_t ret = DIAGNOSTICS_RELAY_E_UNKNOWN_ERROR;
+
+        plist_t dict = plist_new_dict();
+        plist_dict_set_item(dict,"MobileGestaltKeys", plist_copy(keys));
+        plist_dict_set_item(dict,"Request", plist_new_string("MobileGestalt"));
+        ret = diagnostics_relay_send(client, dict);
+        plist_free(dict);
+        dict = NULL;
+        if (ret != DIAGNOSTICS_RELAY_E_SUCCESS) {
+                return ret;
+        }
+
+        ret = diagnostics_relay_receive(client, &dict);
+        if (!dict) {
+                return DIAGNOSTICS_RELAY_E_PLIST_ERROR;
+        }
+
+        int check = diagnostics_relay_check_result(dict);
+        if (check == RESULT_SUCCESS) {
+                ret = DIAGNOSTICS_RELAY_E_SUCCESS;
+        } else if (check == RESULT_UNKNOWN_REQUEST) {
+                ret = DIAGNOSTICS_RELAY_E_UNKNOWN_REQUEST;
+        } else {
+                ret = DIAGNOSTICS_RELAY_E_UNKNOWN_ERROR;
+        }
+
+        if (ret != DIAGNOSTICS_RELAY_E_SUCCESS) {
+                plist_free(dict);
+                return ret;
+        }
+
+        plist_t value_node = plist_dict_get_item(dict, "Diagnostics");
+        if (value_node) {
+                *result = plist_copy(value_node);
+        }
+
+        plist_free(dict);
+        return ret;
+}
+
+diagnostics_relay_error_t diagnostics_relay_query_ioregistry_entry(diagnostics_relay_client_t client, const char* entry_name, const char* entry_class, plist_t* result)
+{
+        if (!client || (entry_name == NULL && entry_class == NULL) || result == NULL)
+                return DIAGNOSTICS_RELAY_E_INVALID_ARG;
+
+        diagnostics_relay_error_t ret = DIAGNOSTICS_RELAY_E_UNKNOWN_ERROR;
+
+        plist_t dict = plist_new_dict();
+        if (entry_name)
+                plist_dict_set_item(dict,"EntryName", plist_new_string(entry_name));
+        if (entry_class)
+                plist_dict_set_item(dict,"EntryClass", plist_new_string(entry_class));
+        plist_dict_set_item(dict,"Request", plist_new_string("IORegistry"));
+        ret = diagnostics_relay_send(client, dict);
+        plist_free(dict);
+        dict = NULL;
+        if (ret != DIAGNOSTICS_RELAY_E_SUCCESS) {
+                return ret;
+        }
+
+        ret = diagnostics_relay_receive(client, &dict);
+        if (!dict) {
+                return DIAGNOSTICS_RELAY_E_PLIST_ERROR;
+        }
+
+        int check = diagnostics_relay_check_result(dict);
+        if (check == RESULT_SUCCESS) {
+                ret = DIAGNOSTICS_RELAY_E_SUCCESS;
+        } else if (check == RESULT_UNKNOWN_REQUEST) {
+                ret = DIAGNOSTICS_RELAY_E_UNKNOWN_REQUEST;
+        } else {
+                ret = DIAGNOSTICS_RELAY_E_UNKNOWN_ERROR;
+        }
+
+        if (ret != DIAGNOSTICS_RELAY_E_SUCCESS) {
+                plist_free(dict);
+                return ret;
+        }
+
+        plist_t value_node = plist_dict_get_item(dict, "Diagnostics");
+        if (value_node) {
+                *result = plist_copy(value_node);
+        }
+
+        plist_free(dict);
+        return ret;
+}
+
+diagnostics_relay_error_t diagnostics_relay_query_ioregistry_plane(diagnostics_relay_client_t client, const char* plane, plist_t* result)
+{
+        if (!client || plane == NULL || result == NULL)
+                return DIAGNOSTICS_RELAY_E_INVALID_ARG;
+
+        diagnostics_relay_error_t ret = DIAGNOSTICS_RELAY_E_UNKNOWN_ERROR;
+
+        plist_t dict = plist_new_dict();
+        plist_dict_set_item(dict,"CurrentPlane", plist_new_string(plane));
+        plist_dict_set_item(dict,"Request", plist_new_string("IORegistry"));
+        ret = diagnostics_relay_send(client, dict);
+        plist_free(dict);
+        dict = NULL;
+
+        ret = diagnostics_relay_receive(client, &dict);
+        if (!dict) {
+                return DIAGNOSTICS_RELAY_E_PLIST_ERROR;
+        }
+
+        int check = diagnostics_relay_check_result(dict);
+        if (check == RESULT_SUCCESS) {
+                ret = DIAGNOSTICS_RELAY_E_SUCCESS;
+        } else if (check == RESULT_UNKNOWN_REQUEST) {
+                ret = DIAGNOSTICS_RELAY_E_UNKNOWN_REQUEST;
+        } else {
+                ret = DIAGNOSTICS_RELAY_E_UNKNOWN_ERROR;
+        }
+
+        if (ret != DIAGNOSTICS_RELAY_E_SUCCESS) {
+                plist_free(dict);
+                return ret;
+        }
+
+        plist_t value_node = plist_dict_get_item(dict, "Diagnostics");
+        if (value_node) {
+                *result = plist_copy(value_node);
+        }
+
+        plist_free(dict);
+        return ret;
+}