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Diffstat (limited to 'src/house_arrest.c')
| -rw-r--r-- | src/house_arrest.c | 250 |
1 files changed, 250 insertions, 0 deletions
diff --git a/src/house_arrest.c b/src/house_arrest.c new file mode 100644 index 0000000..5baa76e --- /dev/null +++ b/src/house_arrest.c @@ -0,0 +1,250 @@ +/* + * house_arrest.c + * com.apple.mobile.house_arrest service implementation. + * + * Copyright (c) 2010 Nikias Bassen, 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 + */ + +#include <string.h> +#include <stdlib.h> +#include <unistd.h> +#include <plist/plist.h> + +#include "house_arrest.h" +#include "property_list_service.h" +#include "afc.h" +#include "debug.h" + +/** + * Convert a property_list_service_error_t value to a house_arrest_error_t + * value. Used internally to get correct error codes. + * + * @param err A property_list_service_error_t error code + * + * @return A matching house_arrest_error_t error code, + * HOUSE_ARREST_E_UNKNOWN_ERROR otherwise. + */ +static house_arrest_error_t house_arrest_error(property_list_service_error_t err) +{ + switch (err) { + case PROPERTY_LIST_SERVICE_E_SUCCESS: + return HOUSE_ARREST_E_SUCCESS; + case PROPERTY_LIST_SERVICE_E_INVALID_ARG: + return HOUSE_ARREST_E_INVALID_ARG; + case PROPERTY_LIST_SERVICE_E_PLIST_ERROR: + return HOUSE_ARREST_E_PLIST_ERROR; + case PROPERTY_LIST_SERVICE_E_MUX_ERROR: + return HOUSE_ARREST_E_CONN_FAILED; + default: + break; + } + return HOUSE_ARREST_E_UNKNOWN_ERROR; +} + +/** + * Connects to the house_arrest service on the specified device. + * + * @param device The device to connect to. + * @param port Destination port (usually given by lockdownd_start_service). + * @param client Pointer that will point to a newly allocated + * housearrest_client_t upon successful return. + * + * @return HOUSE_ARREST_E_SUCCESS on success, HOUSE_ARREST_E_INVALID_ARG when + * client is NULL, or an HOUSE_ARREST_E_* error code otherwise. + */ +house_arrest_error_t house_arrest_client_new(idevice_t device, uint16_t port, house_arrest_client_t *client) +{ + if (!device) + return HOUSE_ARREST_E_INVALID_ARG; + + property_list_service_client_t plistclient = NULL; + house_arrest_error_t err = house_arrest_error(property_list_service_client_new(device, port, &plistclient)); + if (err != HOUSE_ARREST_E_SUCCESS) { + return err; + } + + house_arrest_client_t client_loc = (house_arrest_client_t) malloc(sizeof(struct house_arrest_client_private)); + client_loc->parent = plistclient; + client_loc->mode = HOUSE_ARREST_CLIENT_MODE_NORMAL; + + *client = client_loc; + return HOUSE_ARREST_E_SUCCESS; +} + +/** + * Disconnects an house_arrest client from the device and frees up the + * house_arrest client data. + * + * @note After using afc_client_new_from_house_arrest_client(), make sure + * you call afc_client_free() before calling this function to ensure + * a proper cleanup. Do not call this function if you still need to + * perform AFC operations since it will close the connection. + * + * @param client The house_arrest client to disconnect and free. + * + * @return HOUSE_ARREST_E_SUCCESS on success, HOUSE_ARREST_E_INVALID_ARG when + * client is NULL, or an HOUSE_ARREST_E_* error code otherwise. + */ +house_arrest_error_t house_arrest_client_free(house_arrest_client_t client) +{ + if (!client) + return HOUSE_ARREST_E_INVALID_ARG; + + house_arrest_error_t err = HOUSE_ARREST_E_SUCCESS; + if (client->parent && client->parent->connection) { + house_arrest_error(property_list_service_client_free(client->parent)); + } + client->parent = NULL; + free(client); + + return err; +} + +/** + * Sends a generic request to the connected house_arrest service. + * + * @param client The house_arrest client to use. + * @param dict The request to send as a plist of type PLIST_DICT. + * + * @note If this function returns HOUSE_ARREST_E_SUCCESS it does not mean + * that the request was successful. To check for success or failure you + * need to call house_arrest_get_result(). + * @see house_arrest_get_result + * + * @return HOUSE_ARREST_E_SUCCESS if the request was successfully sent, + * HOUSE_ARREST_E_INVALID_ARG if client or dict is invalid, + * HOUSE_ARREST_E_PLIST_ERROR if dict is not a plist of type PLIST_DICT, + * HOUSE_ARREST_E_INVALID_MODE if the client is not in the correct mode, + * or HOUSE_ARREST_E_CONN_FAILED if a connection error occured. + */ +house_arrest_error_t house_arrest_send_request(house_arrest_client_t client, plist_t dict) +{ + if (!client || !client->parent || !dict) + return HOUSE_ARREST_E_INVALID_ARG; + if (plist_get_node_type(dict) != PLIST_DICT) + return HOUSE_ARREST_E_PLIST_ERROR; + if (client->mode != HOUSE_ARREST_CLIENT_MODE_NORMAL) + return HOUSE_ARREST_E_INVALID_MODE; + + house_arrest_error_t res = house_arrest_error(property_list_service_send_xml_plist(client->parent, dict)); + if (res != HOUSE_ARREST_E_SUCCESS) { + debug_info("could not send plist, error %d", res); + } + return res; +} + +/** + * Send a command to the connected house_arrest service. + * Calls house_arrest_send_request() internally. + * + * @param client The house_arrest client to use. + * @param command The command to send. Currently, only VendContainer and + * VendDocuments are known. + * @param appid The application identifier to pass along with the . + * + * @note If this function returns HOUSE_ARREST_E_SUCCESS it does not mean + * that the command was successful. To check for success or failure you + * need to call house_arrest_get_result(). + * @see house_arrest_get_result + * + * @return HOUSE_ARREST_E_SUCCESS if the command was successfully sent, + * HOUSE_ARREST_E_INVALID_ARG if client, command, or appid is invalid, + * HOUSE_ARREST_E_INVALID_MODE if the client is not in the correct mode, + * or HOUSE_ARREST_E_CONN_FAILED if a connection error occured. + */ +house_arrest_error_t house_arrest_send_command(house_arrest_client_t client, const char *command, const char *appid) +{ + if (!client || !client->parent || !command || !appid) + return HOUSE_ARREST_E_INVALID_ARG; + if (client->mode != HOUSE_ARREST_CLIENT_MODE_NORMAL) + return HOUSE_ARREST_E_INVALID_MODE; + + house_arrest_error_t res = HOUSE_ARREST_E_UNKNOWN_ERROR; + + plist_t dict = plist_new_dict(); + plist_dict_insert_item(dict, "Command", plist_new_string(command)); + plist_dict_insert_item(dict, "Identifier", plist_new_string(appid)); + + res = house_arrest_send_request(client, dict); + + plist_free(dict); + + return res; +} + +/** + * Retrieves the result of a previously sent house_arrest_request_* request. + * + * @param client The house_arrest client to use + * @param dict Pointer that will be set to a plist containing the result to + * the last performed operation. It holds a key 'Status' with the value + * 'Complete' on success or a key 'Error' with an error description as + * value. The caller is responsible for freeing the returned plist. + * + * @return HOUSE_ARREST_E_SUCCESS if a result plist was retrieved, + * HOUSE_ARREST_E_INVALID_ARG if client is invalid, + * HOUSE_ARREST_E_INVALID_MODE if the client is not in the correct mode, + * or HOUSE_ARREST_E_CONN_FAILED if a connection error occured. + */ +house_arrest_error_t house_arrest_get_result(house_arrest_client_t client, plist_t *dict) +{ + if (!client || !client->parent) + return HOUSE_ARREST_E_INVALID_ARG; + if (client->mode != HOUSE_ARREST_CLIENT_MODE_NORMAL) + return HOUSE_ARREST_E_INVALID_MODE; + + house_arrest_error_t res = house_arrest_error(property_list_service_receive_plist(client->parent, dict)); + if (res != HOUSE_ARREST_E_SUCCESS) { + debug_info("could not get result, error %d", res); + if (*dict) { + plist_free(*dict); + *dict = NULL; + } + } + return res; +} + +/** + * Creates an AFC client using the given house_arrest client's connection + * allowing file access to a specific application directory requested by + * functions like house_arrest_request_vendor_documents(). + * + * @param client The house_arrest client to use. + * @param afc_client Pointer that will be set to a newly allocated afc_client_t + * upon successful return. + * + * @note After calling this function the house_arrest client will go in an + * AFC mode that will only allow calling house_arrest_client_free(). + * Only call house_arrest_client_free() if all AFC operations have + * completed since it will close the connection. + * + * @return AFC_E_SUCCESS if the afc client was successfully created, + * AFC_E_INVALID_ARG if client is invalid or was already used to create + * an afc client, or an AFC_E_* error code returned by + * afc_client_new_from_connection(). + */ +afc_error_t afc_client_new_from_house_arrest_client(house_arrest_client_t client, afc_client_t *afc_client) +{ + if (!client || !client->parent || (client->mode == HOUSE_ARREST_CLIENT_MODE_AFC)) { + return AFC_E_INVALID_ARG; + } + afc_error_t err = afc_client_new_from_connection(client->parent->connection, afc_client); + if (err == AFC_E_SUCCESS) { + client->mode = HOUSE_ARREST_CLIENT_MODE_AFC; + } + return err; +} |