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author | Yury Melnichek | 2013-02-23 00:49:26 +0100 |
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committer | Martin Szulecki | 2013-02-23 00:49:26 +0100 |
commit | 3658fc69f9e36e03638123dbf38cff4da74748e0 (patch) | |
tree | 22a43c26f31a00cf11cafd24a5a21cbc3227aa95 /src/webinspector.c | |
parent | 8afcea3008c993d9ed77228c3a45681086460f67 (diff) | |
download | libimobiledevice-3658fc69f9e36e03638123dbf38cff4da74748e0.tar.gz libimobiledevice-3658fc69f9e36e03638123dbf38cff4da74748e0.tar.bz2 |
webinspector: Add new service protocol implementation
Diffstat (limited to 'src/webinspector.c')
-rw-r--r-- | src/webinspector.c | 261 |
1 files changed, 261 insertions, 0 deletions
diff --git a/src/webinspector.c b/src/webinspector.c new file mode 100644 index 0000000..ac87ce0 --- /dev/null +++ b/src/webinspector.c @@ -0,0 +1,261 @@ +/* + * webinspector.c + * com.apple.webinspector service implementation. + * + * Copyright (c) 2013 Yury Melnichek 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 <plist/plist.h> + +#include "webinspector.h" +#include "lockdown.h" +#include "debug.h" + +/** + * Convert a property_list_service_error_t value to a webinspector_error_t value. + * Used internally to get correct error codes. + * + * @param err An property_list_service_error_t error code + * + * @return A matching webinspector_error_t error code, + * WEBINSPECTOR_E_UNKNOWN_ERROR otherwise. + */ +static webinspector_error_t webinspector_error(property_list_service_error_t err) +{ + switch (err) { + case PROPERTY_LIST_SERVICE_E_SUCCESS: + return WEBINSPECTOR_E_SUCCESS; + case PROPERTY_LIST_SERVICE_E_INVALID_ARG: + return WEBINSPECTOR_E_INVALID_ARG; + case PROPERTY_LIST_SERVICE_E_PLIST_ERROR: + return WEBINSPECTOR_E_PLIST_ERROR; + case PROPERTY_LIST_SERVICE_E_MUX_ERROR: + return WEBINSPECTOR_E_MUX_ERROR; + case PROPERTY_LIST_SERVICE_E_SSL_ERROR: + return WEBINSPECTOR_E_SSL_ERROR; + default: + break; + } + return WEBINSPECTOR_E_UNKNOWN_ERROR; +} + +/** + * Connects to the webinspector 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 + * webinspector_client_t upon successful return. Must be freed using + * webinspector_client_free() after use. + * + * @return WEBINSPECTOR_E_SUCCESS on success, WEBINSPECTOR_E_INVALID_ARG when + * client is NULL, or an WEBINSPECTOR_E_* error code otherwise. + */ +webinspector_error_t webinspector_client_new(idevice_t device, uint16_t port, webinspector_client_t * client) +{ + *client = NULL; + + debug_info("Creating webinspector_client, port = %d.\n", port); + + if (!device || port == 0 || !client || *client) { + debug_info("Incorrect parameter passed to webinspector_client_new.\n"); + return WEBINSPECTOR_E_INVALID_ARG; + } + + property_list_service_client_t plclient = NULL; + webinspector_error_t ret = webinspector_error(property_list_service_client_new(device, port, &plclient)); + if (ret != WEBINSPECTOR_E_SUCCESS) { + debug_info("Creating a property list client failed. Error: %i", ret); + return ret; + } + + webinspector_client_t client_loc = (webinspector_client_t) malloc(sizeof(struct webinspector_client_private)); + client_loc->parent = plclient; + + *client = client_loc; + + debug_info("webinspector_client successfully created."); + return 0; +} + +/** + * Starts a new webinspector service on the specified device and connects to it. + * + * @param device The device to connect to. + * @param client Pointer that will point to a newly allocated + * webinspector_client_t upon successful return. Must be freed using + * webinspector_client_free() after use. + * + * @return WEBINSPECTOR_E_SUCCESS on success, or an WEBINSPECTOR_E_* error + * code otherwise. + */ +webinspector_error_t webinspector_start_service(idevice_t device, webinspector_client_t * client) +{ + *client = NULL; + + lockdownd_client_t lckd = NULL; + if (LOCKDOWN_E_SUCCESS != lockdownd_client_new_with_handshake(device, &lckd, NULL)) { + idevice_free(device); + debug_info("Could not create a lockdown client.\n"); + return WEBINSPECTOR_E_UNKNOWN_ERROR; + } + + uint16_t port = 0; + lockdownd_start_service(lckd, WEBINSPECTOR_SERVICE_NAME, &port); + lockdownd_client_free(lckd); + + if (port <= 0) { + debug_info("Could not start webinspector service!\n"); + return WEBINSPECTOR_E_UNKNOWN_ERROR; + } + + webinspector_error_t res = webinspector_client_new(device, port, client); + if (res != WEBINSPECTOR_E_SUCCESS) { + debug_info("Could not connect to webinspector! Port: %i, error: %i\n", port, res); + return res; + } + + return WEBINSPECTOR_E_SUCCESS; +} + +/** + * Disconnects a webinspector client from the device and frees up the + * webinspector client data. + * + * @param client The webinspector client to disconnect and free. + * + * @return WEBINSPECTOR_E_SUCCESS on success, WEBINSPECTOR_E_INVALID_ARG when + * client is NULL, or an WEBINSPECTOR_E_* error code otherwise. + */ +webinspector_error_t webinspector_client_free(webinspector_client_t client) +{ + if (!client) + return WEBINSPECTOR_E_INVALID_ARG; + + webinspector_error_t err = webinspector_error(property_list_service_client_free(client->parent)); + free(client); + + return err; +} + +/** + * Sends a plist to the service. + * + * @param client The webinspector 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 + */ +webinspector_error_t webinspector_send(webinspector_client_t client, plist_t plist) +{ + webinspector_error_t res = WEBINSPECTOR_E_UNKNOWN_ERROR; + char * buf = NULL; + uint32_t length = 0; + + plist_to_bin(plist, &buf, &length); + if (!buf || length == 0) { + debug_info("Error converting plist to binary."); + return res; + } + + plist_t outplist = plist_new_dict(); + plist_dict_insert_item(outplist, "WIRFinalMessageKey", plist_new_data(buf, length)); + free(buf); + + res = webinspector_error(property_list_service_send_binary_plist(client->parent, outplist)); + plist_free(outplist); + if (res != WEBINSPECTOR_E_SUCCESS) { + debug_info("Sending plist failed with error %d", res); + return res; + } + + return res; +} + +/** + * Receives a plist from the service. + * + * @param client The webinspector 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 + */ +webinspector_error_t webinspector_receive(webinspector_client_t client, plist_t * plist) +{ + return webinspector_receive_with_timeout(client, plist, 5000); +} + +/** + * Receives a plist using the given webinspector client. + * + * @param client The webinspector client to use for receiving + * @param plist pointer to a plist_t that will point to the received plist + * upon successful return + * @param timeout Maximum time in milliseconds to wait for data. + * + * @return WEBINSPECTOR_E_SUCCESS on success, + * WEBINSPECTOR_E_INVALID_ARG when client or *plist is NULL, + * WEBINSPECTOR_E_PLIST_ERROR when the received data cannot be + * converted to a plist, WEBINSPECTOR_E_MUX_ERROR when a + * communication error occurs, or WEBINSPECTOR_E_UNKNOWN_ERROR + * when an unspecified error occurs. + */ +webinspector_error_t webinspector_receive_with_timeout(webinspector_client_t client, plist_t * plist, uint32_t timeout_ms) +{ + webinspector_error_t res = WEBINSPECTOR_E_UNKNOWN_ERROR; + plist_t outplist = NULL; + + res = webinspector_error(property_list_service_receive_plist_with_timeout(client->parent, &outplist, timeout_ms)); + if (res != WEBINSPECTOR_E_SUCCESS || !outplist) { + debug_info("Could not receive plist, error %d", res); + plist_free(outplist); + return WEBINSPECTOR_E_MUX_ERROR; + } + + plist_t inplistdata = plist_dict_get_item(outplist, "WIRFinalMessageKey"); + if (!inplistdata) { + debug_info("Could not find the internal message plist."); + plist_free(outplist); + return WEBINSPECTOR_E_PLIST_ERROR; + } + + char * buf; + uint64_t length64; + plist_get_data_val(inplistdata, &buf, &length64); + plist_free(outplist); + if (!buf || length64 == 0 || length64 > 0xFFFFFFFF) { + debug_info("Error getting the inner plist binary data."); + free(buf); + return WEBINSPECTOR_E_PLIST_ERROR; + } + + plist_from_bin(buf, (uint32_t) length64, plist); + free(buf); + if (!*plist) { + debug_info("Error restoring the inner plist."); + return WEBINSPECTOR_E_PLIST_ERROR; + } + + return res; +} |