diff options
Diffstat (limited to 'src/lockdown.c')
| -rw-r--r-- | src/lockdown.c | 1007 |
1 files changed, 495 insertions, 512 deletions
diff --git a/src/lockdown.c b/src/lockdown.c index 73a8bbc..e720b29 100644 --- a/src/lockdown.c +++ b/src/lockdown.c @@ -1,22 +1,22 @@ /* * lockdown.c * libiphone built-in lockdownd client - * + * * Copyright (c) 2008 Zach C. 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 + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include "usbmux.h" @@ -31,6 +31,9 @@ #include <libtasn1.h> #include <gnutls/x509.h> +#include <plist/plist.h> + + const ASN1_ARRAY_TYPE pkcs1_asn1_tab[] = { {"PKCS1", 536872976, 0}, {0, 1073741836, 0}, @@ -40,35 +43,6 @@ const ASN1_ARRAY_TYPE pkcs1_asn1_tab[] = { {0, 0, 0} }; -static int get_rand(int min, int max) -{ - int retval = (rand() % (max - min)) + min; - return retval; -} - -/** Generates a valid HostID (which is actually a UUID). - * - * @param A null terminated string containing a valid HostID. - */ -char *lockdownd_generate_hostid(void) -{ - char *hostid = (char *) malloc(sizeof(char) * 37); // HostID's are just UUID's, and UUID's are 36 characters long - const char *chars = "ABCDEF0123456789"; - srand(time(NULL)); - int i = 0; - - for (i = 0; i < 36; i++) { - if (i == 8 || i == 13 || i == 18 || i == 23) { - hostid[i] = '-'; - continue; - } else { - hostid[i] = chars[get_rand(0, 16)]; - } - } - hostid[36] = '\0'; // make it a real string - return hostid; -} - /** Creates a lockdownd client for the give iPhone. * * @param phone The iPhone to create a lockdownd client for @@ -93,69 +67,68 @@ iphone_lckd_client_t new_lockdownd_client(iphone_device_t phone) /** * Closes the lockdownd communication session, by sending - * the StopSession Request to the device. + * the StopSession Request to the device. * * @param control The lockdown client */ static void iphone_lckd_stop_session(iphone_lckd_client_t control) { if (!control) - return; // IPHONE_E_INVALID_ARG; - xmlDocPtr plist = new_plist(); - xmlNode *dict, *key; - char **dictionary; - int bytes = 0, i = 0; + return; //IPHONE_E_INVALID_ARG; + iphone_error_t ret = IPHONE_E_UNKNOWN_ERROR; - log_debug_msg("lockdownd_stop_session() called\n"); - dict = add_child_to_plist(plist, "dict", "\n", NULL, 0); - key = add_key_str_dict_element(plist, dict, "Request", "StopSession", 1); - key = add_key_str_dict_element(plist, dict, "SessionID", control->session_id, 1); + plist_t dict = plist_new_dict(); + plist_add_sub_key_el(dict, "Request"); + plist_add_sub_string_el(dict, "StopSession"); + plist_add_sub_key_el(dict, "SessionID"); + plist_add_sub_string_el(dict, control->session_id); - char *XML_content; - uint32 length; + log_dbg_msg(DBGMASK_LOCKDOWND, "iphone_lckd_stop_session() called\n"); - xmlDocDumpMemory(plist, (xmlChar **) & XML_content, &length); - ret = iphone_lckd_send(control, XML_content, length, &bytes); + ret = iphone_lckd_send(control, dict); - xmlFree(XML_content); - xmlFreeDoc(plist); - plist = NULL; - ret = iphone_lckd_recv(control, &XML_content, &bytes); + plist_free(dict); + dict = NULL; + + ret = iphone_lckd_recv(control, &dict); - plist = xmlReadMemory(XML_content, bytes, NULL, NULL, 0); - if (!plist) { - log_debug_msg("lockdownd_stop_session(): IPHONE_E_PLIST_ERROR\n"); - return; //IPHONE_E_PLIST_ERROR; - } - dict = xmlDocGetRootElement(plist); - for (dict = dict->children; dict; dict = dict->next) { - if (!xmlStrcmp(dict->name, "dict")) - break; - } if (!dict) { - log_debug_msg("lockdownd_stop_session(): IPHONE_E_DICT_ERROR\n"); - return; //IPHONE_E_DICT_ERROR; + log_dbg_msg(DBGMASK_LOCKDOWND, "lockdownd_stop_session(): IPHONE_E_PLIST_ERROR\n"); + return; // IPHONE_E_PLIST_ERROR; } - dictionary = read_dict_element_strings(dict); - xmlFreeDoc(plist); - free(XML_content); - for (i = 0; dictionary[i]; i += 2) { - if (!strcmp(dictionary[i], "Result") && !strcmp(dictionary[i + 1], "Success")) { - log_debug_msg("lockdownd_stop_session(): success\n"); + plist_t query_node = plist_find_node_by_string(dict, "StopSession"); + plist_t result_node = plist_get_next_sibling(query_node); + plist_t value_node = plist_get_next_sibling(result_node); + + plist_type result_type = plist_get_node_type(result_node); + plist_type value_type = plist_get_node_type(value_node); + + if (result_type == PLIST_KEY && value_type == PLIST_STRING) { + + char *result_value = NULL; + char *value_value = NULL; + + plist_get_key_val(result_node, &result_value); + plist_get_string_val(value_node, &value_value); + + if (!strcmp(result_value, "Result") && !strcmp(value_value, "Success")) { + log_dbg_msg(DBGMASK_LOCKDOWND, "lockdownd_stop_session(): success\n"); ret = IPHONE_E_SUCCESS; - break; } + free(result_value); + free(value_value); } + plist_free(dict); + dict = NULL; - free_dictionary(dictionary); - return; //ret; + return; // ret; } /** * Shuts down the SSL session by first calling iphone_lckd_stop_session - * to cleanly close the lockdownd communication session, and then + * to cleanly close the lockdownd communication session, and then * performing a close notify, which is done by "gnutls_bye". * * @param client The lockdown client @@ -163,14 +136,14 @@ static void iphone_lckd_stop_session(iphone_lckd_client_t control) static void iphone_lckd_stop_SSL_session(iphone_lckd_client_t client) { if (!client) { - log_debug_msg("lockdownd_stop_SSL_session(): invalid argument!\n"); + log_dbg_msg(DBGMASK_LOCKDOWND, "lockdownd_stop_SSL_session(): invalid argument!\n"); return; } if (client->in_SSL) { - log_debug_msg("Stopping SSL Session\n"); + log_dbg_msg(DBGMASK_LOCKDOWND, "Stopping SSL Session\n"); iphone_lckd_stop_session(client); - log_debug_msg("Sending SSL close notify\n"); + log_dbg_msg(DBGMASK_LOCKDOWND, "Sending SSL close notify\n"); gnutls_bye(*client->ssl_session, GNUTLS_SHUT_RDWR); } if (client->ssl_session) { @@ -215,13 +188,13 @@ iphone_error_t iphone_lckd_free_client(iphone_lckd_client_t client) * * @return The number of bytes received */ -iphone_error_t iphone_lckd_recv(iphone_lckd_client_t client, char **dump_data, uint32_t * recv_bytes) +iphone_error_t iphone_lckd_recv(iphone_lckd_client_t client, plist_t * plist) { - if (!client || !dump_data || !recv_bytes) + if (!client || !plist || (plist && *plist)) return IPHONE_E_INVALID_ARG; iphone_error_t ret = IPHONE_E_UNKNOWN_ERROR; char *receive; - uint32 datalen = 0, bytes = 0; + uint32_t datalen = 0, bytes = 0; if (!client->in_SSL) ret = iphone_mux_recv(client->connection, (char *) &datalen, sizeof(datalen), &bytes); @@ -240,36 +213,52 @@ iphone_error_t iphone_lckd_recv(iphone_lckd_client_t client, char **dump_data, u if (bytes > 0) ret = IPHONE_E_SUCCESS; } - *dump_data = receive; - *recv_bytes = bytes; + + if (bytes <= 0) { + free(receive); + return IPHONE_E_NOT_ENOUGH_DATA; + } + + log_dbg_msg(DBGMASK_LOCKDOWND, "Recv msg :\nsize : %i\nbuffer :\n%s\n", bytes, receive); + plist_from_xml(receive, bytes, plist); + free(receive); + + if (!*plist) + ret = IPHONE_E_PLIST_ERROR; + return ret; } /** Sends lockdownd data to the iPhone - * + * * @note This function is low-level and should only be used if you need to send * a new type of message. * - * @param control The lockdownd client - * @param raw_data The null terminated string buffer to send - * @param length The length of data to send + * @param client The lockdownd client + * @param plist The plist to send * - * @return The number of bytes sent + * @return an error code (IPHONE_E_SUCCESS on success) */ -iphone_error_t iphone_lckd_send(iphone_lckd_client_t client, char *raw_data, uint32_t length, uint32_t * sent_bytes) +iphone_error_t iphone_lckd_send(iphone_lckd_client_t client, plist_t plist) { - if (!client || !raw_data || length == 0 || !sent_bytes) + if (!client || !plist) return IPHONE_E_INVALID_ARG; char *real_query; int bytes; + char *XMLContent = NULL; + uint32_t length = 0; iphone_error_t ret = IPHONE_E_UNKNOWN_ERROR; + plist_to_xml(plist, &XMLContent, &length); + log_dbg_msg(DBGMASK_LOCKDOWND, "Send msg :\nsize : %i\nbuffer :\n%s\n", length, XMLContent); + + real_query = (char *) malloc(sizeof(char) * (length + 4)); length = htonl(length); memcpy(real_query, &length, sizeof(length)); - memcpy(real_query + 4, raw_data, ntohl(length)); - log_debug_msg("lockdownd_send(): made the query, sending it along\n"); - dump_debug_buffer("grpkt", real_query, ntohl(length) + 4); + memcpy(real_query + 4, XMLContent, ntohl(length)); + free(XMLContent); + log_dbg_msg(DBGMASK_LOCKDOWND, "lockdownd_send(): made the query, sending it along\n"); if (!client->in_SSL) ret = iphone_mux_send(client->connection, real_query, ntohl(length) + sizeof(length), &bytes); @@ -277,14 +266,14 @@ iphone_error_t iphone_lckd_send(iphone_lckd_client_t client, char *raw_data, uin gnutls_record_send(*client->ssl_session, real_query, ntohl(length) + sizeof(length)); ret = IPHONE_E_SUCCESS; } - log_debug_msg("lockdownd_send(): sent it!\n"); + log_dbg_msg(DBGMASK_LOCKDOWND, "lockdownd_send(): sent it!\n"); free(real_query); - *sent_bytes = bytes; + return ret; } /** Initiates the handshake for the lockdown session. Part of the lockdownd handshake. - * + * * @note You most likely want lockdownd_init unless you are doing something special. * * @param control The lockdownd client @@ -295,49 +284,50 @@ iphone_error_t lockdownd_hello(iphone_lckd_client_t control) { if (!control) return IPHONE_E_INVALID_ARG; - xmlDocPtr plist = new_plist(); - xmlNode *dict, *key; - char **dictionary; - int bytes = 0, i = 0; + iphone_error_t ret = IPHONE_E_UNKNOWN_ERROR; - log_debug_msg("lockdownd_hello() called\n"); - dict = add_child_to_plist(plist, "dict", "\n", NULL, 0); - key = add_key_str_dict_element(plist, dict, "Request", "QueryType", 1); - char *XML_content; - uint32 length; + plist_t dict = plist_new_dict(); + plist_add_sub_key_el(dict, "Request"); + plist_add_sub_string_el(dict, "QueryType"); - xmlDocDumpMemory(plist, (xmlChar **) & XML_content, &length); - ret = iphone_lckd_send(control, XML_content, length, &bytes); + log_dbg_msg(DBGMASK_LOCKDOWND, "lockdownd_hello() called\n"); + ret = iphone_lckd_send(control, dict); - xmlFree(XML_content); - xmlFreeDoc(plist); - plist = NULL; - ret = iphone_lckd_recv(control, &XML_content, &bytes); + plist_free(dict); + dict = NULL; - plist = xmlReadMemory(XML_content, bytes, NULL, NULL, 0); - if (!plist) - return IPHONE_E_PLIST_ERROR; - dict = xmlDocGetRootElement(plist); - for (dict = dict->children; dict; dict = dict->next) { - if (!xmlStrcmp(dict->name, "dict")) - break; - } - if (!dict) - return IPHONE_E_DICT_ERROR; - dictionary = read_dict_element_strings(dict); - xmlFreeDoc(plist); - free(XML_content); - - for (i = 0; dictionary[i]; i += 2) { - if (!strcmp(dictionary[i], "Result") && !strcmp(dictionary[i + 1], "Success")) { - log_debug_msg("lockdownd_hello(): success\n"); + ret = iphone_lckd_recv(control, &dict); + + if (IPHONE_E_SUCCESS != ret) + return ret; + + plist_t query_node = plist_find_node_by_string(dict, "QueryType"); + plist_t result_node = plist_get_next_sibling(query_node); + plist_t value_node = plist_get_next_sibling(result_node); + + plist_type result_type = plist_get_node_type(result_node); + plist_type value_type = plist_get_node_type(value_node); + + if (result_type == PLIST_KEY && value_type == PLIST_STRING) { + + char *result_value = NULL; + char *value_value = NULL; + + plist_get_key_val(result_node, &result_value); + plist_get_string_val(value_node, &value_value); + + if (!strcmp(result_value, "Result") && !strcmp(value_value, "Success")) { + log_dbg_msg(DBGMASK_LOCKDOWND, "lockdownd_hello(): success\n"); ret = IPHONE_E_SUCCESS; - break; } + free(result_value); + free(value_value); } - free_dictionary(dictionary); + plist_free(dict); + dict = NULL; + return ret; } @@ -350,73 +340,100 @@ iphone_error_t lockdownd_hello(iphone_lckd_client_t control) * @return IPHONE_E_SUCCESS on success. */ iphone_error_t lockdownd_generic_get_value(iphone_lckd_client_t control, const char *req_key, const char *req_string, - char **value) + gnutls_datum_t * value) { - if (!control || !req_key || !value || (value && *value)) + if (!control || !req_key || !value || value->data) return IPHONE_E_INVALID_ARG; - xmlDocPtr plist = new_plist(); - xmlNode *dict = NULL; - xmlNode *key = NULL;; - char **dictionary = NULL; - int bytes = 0, i = 0; - char *XML_content = NULL; - uint32 length = 0; + + plist_t dict = NULL; iphone_error_t ret = IPHONE_E_UNKNOWN_ERROR; /* Setup DevicePublicKey request plist */ - dict = add_child_to_plist(plist, "dict", "\n", NULL, 0); - key = add_key_str_dict_element(plist, dict, req_key, req_string, 1); - key = add_key_str_dict_element(plist, dict, "Request", "GetValue", 1); - xmlDocDumpMemory(plist, (xmlChar **) & XML_content, &length); + dict = plist_new_dict(); + plist_add_sub_key_el(dict, req_key); + plist_add_sub_string_el(dict, req_string); + plist_add_sub_key_el(dict, "Request"); + plist_add_sub_string_el(dict, "GetValue"); /* send to iPhone */ - ret = iphone_lckd_send(control, XML_content, length, &bytes); + ret = iphone_lckd_send(control, dict); - xmlFree(XML_content); - xmlFreeDoc(plist); - plist = NULL; + plist_free(dict); + dict = NULL; if (ret != IPHONE_E_SUCCESS) return ret; /* Now get iPhone's answer */ - ret = iphone_lckd_recv(control, &XML_content, &bytes); + ret = iphone_lckd_recv(control, &dict); if (ret != IPHONE_E_SUCCESS) return ret; - plist = xmlReadMemory(XML_content, bytes, NULL, NULL, 0); - if (!plist) - return IPHONE_E_PLIST_ERROR; - dict = xmlDocGetRootElement(plist); - for (dict = dict->children; dict; dict = dict->next) { - if (!xmlStrcmp(dict->name, "dict")) - break; - } - if (!dict) - return IPHONE_E_DICT_ERROR; + plist_t query_node = plist_find_node_by_string(dict, "GetValue"); + plist_t result_key_node = plist_get_next_sibling(query_node); + plist_t result_value_node = plist_get_next_sibling(result_key_node); - /* Parse xml to check success and to find public key */ - dictionary = read_dict_element_strings(dict); - xmlFreeDoc(plist); - free(XML_content); + plist_type result_key_type = plist_get_node_type(result_key_node); + plist_type result_value_type = plist_get_node_type(result_value_node); - int success = 0; - for (i = 0; dictionary[i]; i += 2) { - if (!strcmp(dictionary[i], "Result") && !strcmp(dictionary[i + 1], "Success")) { - success = 1; - } - if (!strcmp(dictionary[i], "Value")) { - *value = strdup(dictionary[i + 1]); + if (result_key_type == PLIST_KEY && result_value_type == PLIST_STRING) { + + char *result_key = NULL; + char *result_value = NULL; + ret = IPHONE_E_DICT_ERROR; + + plist_get_key_val(result_key_node, &result_key); + plist_get_string_val(result_value_node, &result_value); + + if (!strcmp(result_key, "Result") && !strcmp(result_value, "Success")) { + log_dbg_msg(DBGMASK_LOCKDOWND, "lockdownd_generic_get_value(): success\n"); + ret = IPHONE_E_SUCCESS; } + free(result_key); + free(result_value); + } + if (ret != IPHONE_E_SUCCESS) { + return ret; } - if (dictionary) { - free_dictionary(dictionary); - dictionary = NULL; + plist_t value_key_node = plist_find_node_by_key(dict, "Value");//plist_get_next_sibling(result_value_node); + plist_t value_value_node = plist_get_next_sibling(value_key_node); + + plist_type value_key_type = plist_get_node_type(value_key_node); + + if (value_key_type == PLIST_KEY) { + + char *result_key = NULL; + plist_get_key_val(value_key_node, &result_key); + + if (!strcmp(result_key, "Value")) { + log_dbg_msg(DBGMASK_LOCKDOWND, "lockdownd_generic_get_value(): success\n"); + + plist_type value_value_type = plist_get_node_type(value_value_node); + if (PLIST_STRING == value_value_type) { + char *value_value = NULL; + plist_get_string_val(value_value_node, &value_value); + + value->data = value_value; + value->size = strlen(value_value); + ret = IPHONE_E_SUCCESS; + } + + if (PLIST_DATA == value_value_type) { + char *value_value = NULL; + uint64_t size = 0; + plist_get_data_val(value_value_node, &value_value, &size); + + value->data = value_value; + value->size = size; + ret = IPHONE_E_SUCCESS; + } + } + free(result_key); } - if (success) - ret = IPHONE_E_SUCCESS; + + plist_free(dict); return ret; } @@ -428,7 +445,10 @@ iphone_error_t lockdownd_generic_get_value(iphone_lckd_client_t control, const c */ iphone_error_t lockdownd_get_device_uid(iphone_lckd_client_t control, char **uid) { - return lockdownd_generic_get_value(control, "Key", "UniqueDeviceID", uid); + gnutls_datum_t temp = { NULL, 0 }; + iphone_error_t ret = lockdownd_generic_get_value(control, "Key", "UniqueDeviceID", &temp); + *uid = temp.data; + return ret; } /** Askes for the device's public key. Part of the lockdownd handshake. @@ -437,7 +457,7 @@ iphone_error_t lockdownd_get_device_uid(iphone_lckd_client_t control, char **uid * * @return 1 on success and 0 on failure. */ -iphone_error_t lockdownd_get_device_public_key(iphone_lckd_client_t control, char **public_key) +iphone_error_t lockdownd_get_device_public_key(iphone_lckd_client_t control, gnutls_datum_t * public_key) { return lockdownd_generic_get_value(control, "Key", "DevicePublicKey", public_key); } @@ -472,6 +492,7 @@ iphone_error_t iphone_lckd_new_client(iphone_device_t device, iphone_lckd_client if (IPHONE_E_SUCCESS != ret) { log_debug_msg("Device refused to send uid.\n"); } + log_debug_msg("Device uid: %s\n", uid); host_id = get_host_id(); if (IPHONE_E_SUCCESS == ret && !host_id) { @@ -487,19 +508,22 @@ iphone_error_t iphone_lckd_new_client(iphone_device_t device, iphone_lckd_client uid = NULL; } - ret = lockdownd_start_SSL_session(client_loc, host_id); - if (IPHONE_E_SUCCESS != ret) { - ret = IPHONE_E_SSL_ERROR; - log_debug_msg("SSL Session opening failed.\n"); - } + if (IPHONE_E_SUCCESS == ret) { + ret = lockdownd_start_SSL_session(client_loc, host_id); + if (IPHONE_E_SUCCESS != ret) { + ret = IPHONE_E_SSL_ERROR; + log_debug_msg("SSL Session opening failed.\n"); + } + + if (host_id) { + free(host_id); + host_id = NULL; + } - if (host_id) { - free(host_id); - host_id = NULL; + if (IPHONE_E_SUCCESS == ret) + *client = client_loc; } - if (IPHONE_E_SUCCESS == ret) - *client = client_loc; return ret; } @@ -513,107 +537,92 @@ iphone_error_t iphone_lckd_new_client(iphone_device_t device, iphone_lckd_client iphone_error_t lockdownd_pair_device(iphone_lckd_client_t control, char *uid, char *host_id) { iphone_error_t ret = IPHONE_E_UNKNOWN_ERROR; - xmlDocPtr plist = new_plist(); - xmlNode *dict = NULL; - xmlNode *dictRecord = NULL; - char **dictionary = NULL; - int bytes = 0, i = 0; - char *XML_content = NULL; - uint32 length = 0; - - char *device_cert_b64 = NULL; - char *host_cert_b64 = NULL; - char *root_cert_b64 = NULL; - char *public_key_b64 = NULL; - - ret = lockdownd_get_device_public_key(control, &public_key_b64); + plist_t dict = NULL; + plist_t dict_record = NULL; + + gnutls_datum_t device_cert = { NULL, 0 }; + gnutls_datum_t host_cert = { NULL, 0 }; + gnutls_datum_t root_cert = { NULL, 0 }; + gnutls_datum_t public_key = { NULL, 0 }; + + ret = lockdownd_get_device_public_key(control, &public_key); if (ret != IPHONE_E_SUCCESS) { log_debug_msg("Device refused to send public key.\n"); return ret; } + log_debug_msg("device public key :\n %s.\n", public_key.data); - ret = lockdownd_gen_pair_cert(public_key_b64, &device_cert_b64, &host_cert_b64, &root_cert_b64); + ret = lockdownd_gen_pair_cert(public_key, &device_cert, &host_cert, &root_cert); if (ret != IPHONE_E_SUCCESS) { - free(public_key_b64); + free(public_key.data); return ret; } /* Setup Pair request plist */ - dict = add_child_to_plist(plist, "dict", "\n", NULL, 0); - dictRecord = add_key_dict_node(plist, dict, "PairRecord", "\n", 1); - //dictRecord = add_child_to_plist(plist, "dict", "\n", NULL, 1); - add_key_data_dict_element(plist, dictRecord, "DeviceCertificate", device_cert_b64, 2); - add_key_data_dict_element(plist, dictRecord, "HostCertificate", host_cert_b64, 2); - add_key_str_dict_element(plist, dictRecord, "HostID", host_id, 2); - add_key_data_dict_element(plist, dictRecord, "RootCertificate", root_cert_b64, 2); - add_key_str_dict_element(plist, dict, "Request", "Pair", 1); - - xmlDocDumpMemory(plist, (xmlChar **) & XML_content, &length); - - printf("XML Pairing request : %s\n", XML_content); + dict = plist_new_dict(); + plist_add_sub_key_el(dict, "PairRecord"); + dict_record = plist_new_dict(); + plist_add_sub_node(dict, dict_record); + plist_add_sub_key_el(dict_record, "DeviceCertificate"); + plist_add_sub_data_el(dict_record, (const char*)device_cert.data, device_cert.size); + plist_add_sub_key_el(dict_record, "HostCertificate"); + plist_add_sub_data_el(dict_record, (const char*)host_cert.data, host_cert.size); + plist_add_sub_key_el(dict_record, "HostID"); + plist_add_sub_string_el(dict_record, host_id); + plist_add_sub_key_el(dict_record, "RootCertificate"); + plist_add_sub_data_el(dict_record, (const char*)root_cert.data, root_cert.size); + plist_add_sub_key_el(dict, "Request"); + plist_add_sub_string_el(dict, "Pair"); /* send to iPhone */ - ret = iphone_lckd_send(control, XML_content, length, &bytes); - - xmlFree(XML_content); - xmlFreeDoc(plist); - plist = NULL; + ret = iphone_lckd_send(control, dict); + plist_free(dict); + dict = NULL; if (ret != IPHONE_E_SUCCESS) return ret; /* Now get iPhone's answer */ - ret = iphone_lckd_recv(control, &XML_content, &bytes); + ret = iphone_lckd_recv(control, &dict); if (ret != IPHONE_E_SUCCESS) return ret; - log_debug_msg("lockdown_pair_device: iPhone's response to our pair request:\n"); - log_debug_msg(XML_content); - log_debug_msg("\n\n"); + plist_t query_node = plist_find_node_by_string(dict, "Pair"); + plist_t result_key_node = plist_get_next_sibling(query_node); + plist_t result_value_node = plist_get_next_sibling(result_key_node); - plist = xmlReadMemory(XML_content, bytes, NULL, NULL, 0); - if (!plist) { - free(public_key_b64); - return IPHONE_E_PLIST_ERROR; - } - dict = xmlDocGetRootElement(plist); - for (dict = dict->children; dict; dict = dict->next) { - if (!xmlStrcmp(dict->name, "dict")) - break; - } - if (!dict) { - free(public_key_b64); - return IPHONE_E_DICT_ERROR; - } + plist_type result_key_type = plist_get_node_type(result_key_node); + plist_type result_value_type = plist_get_node_type(result_value_node); - /* Parse xml to check success and to find public key */ - dictionary = read_dict_element_strings(dict); - xmlFreeDoc(plist); - free(XML_content); + if (result_key_type == PLIST_KEY && result_value_type == PLIST_STRING) { - int success = 0; - for (i = 0; dictionary[i]; i += 2) { - if (!strcmp(dictionary[i], "Result") && !strcmp(dictionary[i + 1], "Success")) { - success = 1; + char *result_key = NULL; + char *result_value = NULL; + + plist_get_key_val(result_key_node, &result_key); + plist_get_string_val(result_value_node, &result_value); + + if (!strcmp(result_key, "Result") && !strcmp(result_value, "Success")) { + ret = IPHONE_E_SUCCESS; } - } - if (dictionary) { - free_dictionary(dictionary); - dictionary = NULL; + free(result_key); + free(result_value); } + plist_free(dict); + dict = NULL; /* store public key in config if pairing succeeded */ - if (success) { - log_debug_msg("lockdownd_pair_device: pair success\n"); - store_device_public_key(uid, public_key_b64); + if (ret == IPHONE_E_SUCCESS) { + log_dbg_msg(DBGMASK_LOCKDOWND, "lockdownd_pair_device: pair success\n"); + store_device_public_key(uid, public_key); ret = IPHONE_E_SUCCESS; } else { - log_debug_msg("lockdownd_pair_device: pair failure\n"); + log_dbg_msg(DBGMASK_LOCKDOWND, "lockdownd_pair_device: pair failure\n"); ret = IPHONE_E_PAIRING_FAILED; } - free(public_key_b64); + free(public_key.data); return ret; } @@ -626,81 +635,71 @@ iphone_error_t lockdownd_pair_device(iphone_lckd_client_t control, char *uid, ch void lockdownd_close(iphone_lckd_client_t control) { if (!control) - return; // IPHONE_E_INVALID_ARG; - xmlDocPtr plist = new_plist(); - xmlNode *dict, *key; - char **dictionary; - int bytes = 0, i = 0; + return; //IPHONE_E_INVALID_ARG; + iphone_error_t ret = IPHONE_E_UNKNOWN_ERROR; - log_debug_msg("lockdownd_close() called\n"); - dict = add_child_to_plist(plist, "dict", "\n", NULL, 0); - key = add_key_str_dict_element(plist, dict, "Request", "Goodbye", 1); - char *XML_content; - uint32 length; + plist_t dict = plist_new_dict(); + plist_add_sub_key_el(dict, "Request"); + plist_add_sub_string_el(dict, "Goodbye"); - xmlDocDumpMemory(plist, (xmlChar **) & XML_content, &length); - ret = iphone_lckd_send(control, XML_content, length, &bytes); + log_dbg_msg(DBGMASK_LOCKDOWND, "lockdownd_close() called\n"); - xmlFree(XML_content); - xmlFreeDoc(plist); - plist = NULL; - ret = iphone_lckd_recv(control, &XML_content, &bytes); + ret = iphone_lckd_send(control, dict); + plist_free(dict); + dict = NULL; + + ret = iphone_lckd_recv(control, &dict); - plist = xmlReadMemory(XML_content, bytes, NULL, NULL, 0); - if (!plist) { - log_debug_msg("lockdownd_close(): IPHONE_E_PLIST_ERROR\n"); - return; //IPHONE_E_PLIST_ERROR; - } - dict = xmlDocGetRootElement(plist); - for (dict = dict->children; dict; dict = dict->next) { - if (!xmlStrcmp(dict->name, "dict")) - break; - } if (!dict) { - log_debug_msg("lockdownd_close(): IPHONE_E_DICT_ERROR\n"); - return; //IPHONE_E_DICT_ERROR; + log_dbg_msg(DBGMASK_LOCKDOWND, "lockdownd_close(): IPHONE_E_PLIST_ERROR\n"); + return; // IPHONE_E_PLIST_ERROR; } - dictionary = read_dict_element_strings(dict); - xmlFreeDoc(plist); - free(XML_content); - for (i = 0; dictionary[i]; i += 2) { - if (!strcmp(dictionary[i], "Result") && !strcmp(dictionary[i + 1], "Success")) { - log_debug_msg("lockdownd_close(): success\n"); + plist_t query_node = plist_find_node_by_string(dict, "Goodbye"); + plist_t result_node = plist_get_next_sibling(query_node); + plist_t value_node = plist_get_next_sibling(result_node); + + plist_type result_type = plist_get_node_type(result_node); + plist_type value_type = plist_get_node_type(value_node); + + if (result_type == PLIST_KEY && value_type == PLIST_STRING) { + char *result_value = NULL; + char *value_value = NULL; + + plist_get_key_val(result_node, &result_value); + plist_get_string_val(value_node, &value_value); + + if (!strcmp(result_value, "Result") && !strcmp(value_value, "Success")) { + log_dbg_msg(DBGMASK_LOCKDOWND, "lockdownd_close(): success\n"); ret = IPHONE_E_SUCCESS; - break; } + free(result_value); + free(value_value); } - - free_dictionary(dictionary); - return; //ret; + plist_free(dict); + dict = NULL; + return; // ret; } /** Generates the device certificate from the public key as well as the host * and root certificates. - * + * * @return IPHONE_E_SUCCESS on success. */ -iphone_error_t lockdownd_gen_pair_cert(char *public_key_b64, char **device_cert_b64, char **host_cert_b64, - char **root_cert_b64) +iphone_error_t lockdownd_gen_pair_cert(gnutls_datum_t public_key, gnutls_datum_t * odevice_cert, + gnutls_datum_t * ohost_cert, gnutls_datum_t * oroot_cert) { - if (!public_key_b64 || !device_cert_b64 || !host_cert_b64 || !root_cert_b64) + if (!public_key.data || !odevice_cert || !ohost_cert || !oroot_cert) return IPHONE_E_INVALID_ARG; iphone_error_t ret = IPHONE_E_UNKNOWN_ERROR; gnutls_datum_t modulus = { NULL, 0 }; gnutls_datum_t exponent = { NULL, 0 }; - /* first decode base64 public_key */ - gnutls_datum_t pem_pub_key; - gsize decoded_size; - pem_pub_key.data = g_base64_decode(public_key_b64, &decoded_size); - pem_pub_key.size = decoded_size; - /* now decode the PEM encoded key */ gnutls_datum_t der_pub_key; - if (GNUTLS_E_SUCCESS == gnutls_pem_base64_decode_alloc("RSA PUBLIC KEY", &pem_pub_key, &der_pub_key)) { + if (GNUTLS_E_SUCCESS == gnutls_pem_base64_decode_alloc("RSA PUBLIC KEY", &public_key, &der_pub_key)) { /* initalize asn.1 parser */ ASN1_TYPE pkcs1 = ASN1_TYPE_EMPTY; @@ -736,7 +735,7 @@ iphone_error_t lockdownd_gen_pair_cert(char *public_key_b64, char **device_cert_ gnutls_global_init(); gnutls_datum_t essentially_null = { strdup("abababababababab"), strlen("abababababababab") }; - gnutls_x509_privkey_t fake_privkey, root_privkey; + gnutls_x509_privkey_t fake_privkey, root_privkey, host_privkey; gnutls_x509_crt_t dev_cert, root_cert, host_cert; gnutls_x509_privkey_init(&fake_privkey); @@ -749,49 +748,50 @@ iphone_error_t lockdownd_gen_pair_cert(char *public_key_b64, char **device_cert_ &essentially_null, &essentially_null)) { gnutls_x509_privkey_init(&root_privkey); + gnutls_x509_privkey_init(&host_privkey); - /* get root cert */ - gnutls_datum_t pem_root_cert = { NULL, 0 }; - get_root_certificate(&pem_root_cert); - if (GNUTLS_E_SUCCESS != gnutls_x509_crt_import(root_cert, &pem_root_cert, GNUTLS_X509_FMT_PEM)) - ret = IPHONE_E_SSL_ERROR; - - /* get host cert */ - gnutls_datum_t pem_host_cert = { NULL, 0 }; - get_host_certificate(&pem_host_cert); - if (GNUTLS_E_SUCCESS != gnutls_x509_crt_import(host_cert, &pem_host_cert, GNUTLS_X509_FMT_PEM)) - ret = IPHONE_E_SSL_ERROR; - - /* get root private key */ - gnutls_datum_t pem_root_priv = { NULL, 0 }; - get_root_private_key(&pem_root_priv); - if (GNUTLS_E_SUCCESS != gnutls_x509_privkey_import(root_privkey, &pem_root_priv, GNUTLS_X509_FMT_PEM)) - ret = IPHONE_E_SSL_ERROR; - - /* generate device certificate */ - gnutls_x509_crt_set_key(dev_cert, fake_privkey); - gnutls_x509_crt_set_serial(dev_cert, "\x00", 1); - gnutls_x509_crt_set_version(dev_cert, 3); - gnutls_x509_crt_set_ca_status(dev_cert, 0); - gnutls_x509_crt_set_activation_time(dev_cert, time(NULL)); - gnutls_x509_crt_set_expiration_time(dev_cert, time(NULL) + (60 * 60 * 24 * 365 * 10)); - gnutls_x509_crt_sign(dev_cert, root_cert, root_privkey); + ret = get_keys_and_certs( root_privkey, root_cert, host_privkey, host_cert); if (IPHONE_E_SUCCESS == ret) { - /* if everything went well, export in PEM format */ - gnutls_datum_t dev_pem = { NULL, 0 }; - gnutls_x509_crt_export(dev_cert, GNUTLS_X509_FMT_PEM, NULL, &dev_pem.size); - dev_pem.data = gnutls_malloc(dev_pem.size); - gnutls_x509_crt_export(dev_cert, GNUTLS_X509_FMT_PEM, dev_pem.data, &dev_pem.size); - - /* now encode certificates for output */ - *device_cert_b64 = g_base64_encode(dev_pem.data, dev_pem.size); - *host_cert_b64 = g_base64_encode(pem_host_cert.data, pem_host_cert.size); - *root_cert_b64 = g_base64_encode(pem_root_cert.data, pem_root_cert.size); + + /* generate device certificate */ + gnutls_x509_crt_set_key(dev_cert, fake_privkey); + gnutls_x509_crt_set_serial(dev_cert, "\x00", 1); + gnutls_x509_crt_set_version(dev_cert, 3); + gnutls_x509_crt_set_ca_status(dev_cert, 0); + gnutls_x509_crt_set_activation_time(dev_cert, time(NULL)); + gnutls_x509_crt_set_expiration_time(dev_cert, time(NULL) + (60 * 60 * 24 * 365 * 10)); + gnutls_x509_crt_sign(dev_cert, root_cert, root_privkey); + + if (IPHONE_E_SUCCESS == ret) { + /* if everything went well, export in PEM format */ + gnutls_datum_t dev_pem = { NULL, 0 }; + gnutls_x509_crt_export(dev_cert, GNUTLS_X509_FMT_PEM, NULL, &dev_pem.size); + dev_pem.data = gnutls_malloc(dev_pem.size); + gnutls_x509_crt_export(dev_cert, GNUTLS_X509_FMT_PEM, dev_pem.data, &dev_pem.size); + + gnutls_datum_t pem_root_cert = { NULL, 0 }; + gnutls_datum_t pem_host_cert = { NULL, 0 }; + + if ( IPHONE_E_SUCCESS == get_certs_as_pem(&pem_root_cert, &pem_host_cert) ) { + /* copy buffer for output */ + odevice_cert->data = malloc(dev_pem.size); + memcpy(odevice_cert->data, dev_pem.data, dev_pem.size); + odevice_cert->size = dev_pem.size; + + ohost_cert->data = malloc(pem_host_cert.size); + memcpy(ohost_cert->data, pem_host_cert.data, pem_host_cert.size); + ohost_cert->size = pem_host_cert.size; + + oroot_cert->data = malloc(pem_root_cert.size); + memcpy(oroot_cert->data, pem_root_cert.data, pem_root_cert.size); + oroot_cert->size = pem_root_cert.size; + + g_free(pem_root_cert.data); + g_free(pem_host_cert.data); + } + } } - gnutls_free(pem_root_priv.data); - gnutls_free(pem_root_cert.data); - gnutls_free(pem_host_cert.data); } } @@ -799,7 +799,6 @@ iphone_error_t lockdownd_gen_pair_cert(char *public_key_b64, char **device_cert_ gnutls_free(exponent.data); gnutls_free(der_pub_key.data); - g_free(pem_pub_key.data); return ret; } @@ -813,129 +812,127 @@ iphone_error_t lockdownd_gen_pair_cert(char *public_key_b64, char **device_cert_ */ iphone_error_t lockdownd_start_SSL_session(iphone_lckd_client_t control, const char *HostID) { - xmlDocPtr plist = new_plist(); - xmlNode *dict = add_child_to_plist(plist, "dict", "\n", NULL, 0); - xmlNode *key; - char *what2send = NULL, **dictionary = NULL; - uint32 len = 0, bytes = 0, return_me = 0, i = 0; - iphone_error_t ret = IPHONE_E_UNKNOWN_ERROR; - // end variables + plist_t dict = NULL; + uint32_t return_me = 0; + iphone_error_t ret = IPHONE_E_UNKNOWN_ERROR; control->session_id[0] = '\0'; - key = add_key_str_dict_element(plist, dict, "HostID", HostID, 1); - if (!key) { - log_debug_msg("Couldn't add a key.\n"); - xmlFreeDoc(plist); - return IPHONE_E_DICT_ERROR; - } - key = add_key_str_dict_element(plist, dict, "Request", "StartSession", 1); - if (!key) { - log_debug_msg("Couldn't add a key.\n"); - xmlFreeDoc(plist); - return IPHONE_E_DICT_ERROR; - } - - xmlDocDumpMemory(plist, (xmlChar **) & what2send, &len); - ret = iphone_lckd_send(control, what2send, len, &bytes); + /* Setup DevicePublicKey request plist */ + dict = plist_new_dict(); + plist_add_sub_key_el(dict, "HostID"); + plist_add_sub_string_el(dict, HostID); + plist_add_sub_key_el(dict, "Request"); + plist_add_sub_string_el(dict, "StartSession"); - xmlFree(what2send); - xmlFreeDoc(plist); + ret = iphone_lckd_send(control, dict); + plist_free(dict); + dict = NULL; if (ret != IPHONE_E_SUCCESS) return ret; - if (bytes > 0) { - ret = iphone_lckd_recv(control, &what2send, &len); - plist = xmlReadMemory(what2send, len, NULL, NULL, 0); - dict = xmlDocGetRootElement(plist); - if (!dict) - return IPHONE_E_DICT_ERROR; - for (dict = dict->children; dict; dict = dict->next) { - if (!xmlStrcmp(dict->name, "dict")) - break; - } - dictionary = read_dict_element_strings(dict); - xmlFreeDoc(plist); - free(what2send); + ret = iphone_lckd_recv(control, &dict); + + if (!dict) + return IPHONE_E_PLIST_ERROR; + + plist_t query_node = plist_find_node_by_string(dict, "StartSession"); + plist_t result_key_node = plist_get_next_sibling(query_node); + plist_t result_value_node = plist_get_next_sibling(result_key_node); + + plist_type result_key_type = plist_get_node_type(result_key_node); + plist_type result_value_type = plist_get_node_type(result_value_node); + + if (result_key_type == PLIST_KEY && result_value_type == PLIST_STRING) { + char *result_key = NULL; + char *result_value = NULL; + + plist_get_key_val(result_key_node, &result_key); + plist_get_string_val(result_value_node, &result_value); + ret = IPHONE_E_SSL_ERROR; - for (i = 0; dictionary[i]; i += 2) { - if (!strcmp(dictionary[i], "Result") && !strcmp(dictionary[i + 1], "Success")) { - // Set up GnuTLS... - //gnutls_anon_client_credentials_t anoncred; - gnutls_certificate_credentials_t xcred; - - log_debug_msg("We started the session OK, now trying GnuTLS\n"); - errno = 0; - gnutls_global_init(); - //gnutls_anon_allocate_client_credentials(&anoncred); - gnutls_certificate_allocate_credentials(&xcred); - gnutls_certificate_set_x509_trust_file(xcred, "hostcert.pem", GNUTLS_X509_FMT_PEM); - gnutls_init(control->ssl_session, GNUTLS_CLIENT); - { - int protocol_priority[16] = { GNUTLS_SSL3, 0 }; - int kx_priority[16] = { GNUTLS_KX_ANON_DH, GNUTLS_KX_RSA, 0 }; - int cipher_priority[16] = { GNUTLS_CIPHER_AES_128_CBC, GNUTLS_CIPHER_AES_256_CBC, 0 }; - int mac_priority[16] = { GNUTLS_MAC_SHA1, GNUTLS_MAC_MD5, 0 }; - int comp_priority[16] = { GNUTLS_COMP_NULL, 0 }; - - gnutls_cipher_set_priority(*control->ssl_session, cipher_priority); - gnutls_compression_set_priority(*control->ssl_session, comp_priority); - gnutls_kx_set_priority(*control->ssl_session, kx_priority); - gnutls_protocol_set_priority(*control->ssl_session, protocol_priority); - gnutls_mac_set_priority(*control->ssl_session, mac_priority); + if (!strcmp(result_key, "Result") && !strcmp(result_value, "Success")) { + // Set up GnuTLS... + //gnutls_anon_client_credentials_t anoncred; + gnutls_certificate_credentials_t xcred; + + log_dbg_msg(DBGMASK_LOCKDOWND, "We started the session OK, now trying GnuTLS\n"); + errno = 0; + gnutls_global_init(); + //gnutls_anon_allocate_client_credentials(&anoncred); + gnutls_certificate_allocate_credentials(&xcred); + gnutls_certificate_set_x509_trust_file(xcred, "hostcert.pem", GNUTLS_X509_FMT_PEM); + gnutls_init(control->ssl_session, GNUTLS_CLIENT); + { + int protocol_priority[16] = { GNUTLS_SSL3, 0 }; + int kx_priority[16] = { GNUTLS_KX_ANON_DH, GNUTLS_KX_RSA, 0 }; + int cipher_priority[16] = { GNUTLS_CIPHER_AES_128_CBC, GNUTLS_CIPHER_AES_256_CBC, 0 }; + int mac_priority[16] = { GNUTLS_MAC_SHA1, GNUTLS_MAC_MD5, 0 }; + int comp_priority[16] = { GNUTLS_COMP_NULL, 0 }; + + gnutls_cipher_set_priority(*control->ssl_session, cipher_priority); + gnutls_compression_set_priority(*control->ssl_session, comp_priority); + gnutls_kx_set_priority(*control->ssl_session, kx_priority); + gnutls_protocol_set_priority(*control->ssl_session, protocol_priority); + gnutls_mac_set_priority(*control->ssl_session, mac_priority); - } - gnutls_credentials_set(*control->ssl_session, GNUTLS_CRD_CERTIFICATE, xcred); // this part is killing me. - - log_debug_msg("GnuTLS step 1...\n"); - gnutls_transport_set_ptr(*control->ssl_session, (gnutls_transport_ptr_t) control); - log_debug_msg("GnuTLS step 2...\n"); - gnutls_transport_set_push_function(*control->ssl_session, (gnutls_push_func) & lockdownd_secuwrite); - log_debug_msg("GnuTLS step 3...\n"); - gnutls_transport_set_pull_function(*control->ssl_session, (gnutls_pull_func) & lockdownd_securead); - log_debug_msg("GnuTLS step 4 -- now handshaking...\n"); - - if (errno) - log_debug_msg("WARN: errno says %s before handshake!\n", strerror(errno)); - return_me = gnutls_handshake(*control->ssl_session); - log_debug_msg("GnuTLS handshake done...\n"); - - if (return_me != GNUTLS_E_SUCCESS) { - log_debug_msg("GnuTLS reported something wrong.\n"); - gnutls_perror(return_me); - log_debug_msg("oh.. errno says %s\n", strerror(errno)); - return IPHONE_E_SSL_ERROR; - } else { - control->in_SSL = 1; - ret = IPHONE_E_SUCCESS; - } - } else if (!strcmp(dictionary[i], "SessionID")) { - // we need to store the session ID for StopSession - strcpy(control->session_id, dictionary[i + 1]); - log_debug_msg("SessionID: %s\n", control->session_id); - free_dictionary(dictionary); - return ret; + } + gnutls_credentials_set(*control->ssl_session, GNUTLS_CRD_CERTIFICATE, xcred); // this part is killing me. + + log_dbg_msg(DBGMASK_LOCKDOWND, "GnuTLS step 1...\n"); + gnutls_transport_set_ptr(*control->ssl_session, (gnutls_transport_ptr_t) control); + log_dbg_msg(DBGMASK_LOCKDOWND, "GnuTLS step 2...\n"); + gnutls_transport_set_push_function(*control->ssl_session, (gnutls_push_func) & lockdownd_secuwrite); + log_dbg_msg(DBGMASK_LOCKDOWND, "GnuTLS step 3...\n"); + gnutls_transport_set_pull_function(*control->ssl_session, (gnutls_pull_func) & lockdownd_securead); + log_dbg_msg(DBGMASK_LOCKDOWND, "GnuTLS step 4 -- now handshaking...\n"); + + if (errno) + log_dbg_msg(DBGMASK_LOCKDOWND, "WARN: errno says %s before handshake!\n", strerror(errno)); + return_me = gnutls_handshake(*control->ssl_session); + log_dbg_msg(DBGMASK_LOCKDOWND, "GnuTLS handshake done...\n"); + + if (return_me != GNUTLS_E_SUCCESS) { + log_dbg_msg(DBGMASK_LOCKDOWND, "GnuTLS reported something wrong.\n"); + gnutls_perror(return_me); + log_dbg_msg(DBGMASK_LOCKDOWND, "oh.. errno says %s\n", strerror(errno)); + return IPHONE_E_SSL_ERROR; + } else { + control->in_SSL = 1; + ret = IPHONE_E_SUCCESS; } } - if (ret == IPHONE_E_SUCCESS) { - log_debug_msg("Failed to get SessionID!\n"); - return ret; - } + } + //store session id + plist_t session_node = plist_find_node_by_key(dict, "SessionID"); + if (session_node) { + + plist_t session_node_val = plist_get_next_sibling(session_node); + plist_type session_node_val_type = plist_get_node_type(session_node_val); + + if (session_node_val_type == PLIST_STRING) { - log_debug_msg("Apparently failed negotiating with lockdownd.\n"); - log_debug_msg("Responding dictionary: \n"); - for (i = 0; dictionary[i]; i += 2) { - log_debug_msg("\t%s: %s\n", dictionary[i], dictionary[i + 1]); + char *session_id = NULL; + plist_get_string_val(session_node_val, &session_id); + + if (session_node_val_type == PLIST_STRING && session_id) { + // we need to store the session ID for StopSession + strcpy(control->session_id, session_id); + log_dbg_msg(DBGMASK_LOCKDOWND, "SessionID: %s\n", control->session_id); + } + free(session_id); } + } else + log_dbg_msg(DBGMASK_LOCKDOWND, "Failed to get SessionID!\n"); + plist_free(dict); + dict = NULL; + if (ret == IPHONE_E_SUCCESS) + return ret; - free_dictionary(dictionary); - return IPHONE_E_SSL_ERROR; - } else { - log_debug_msg("Didn't get enough bytes.\n"); - return IPHONE_E_NOT_ENOUGH_DATA; - } + log_dbg_msg(DBGMASK_LOCKDOWND, "Apparently failed negotiating with lockdownd.\n"); + return IPHONE_E_SSL_ERROR; } /** gnutls callback for writing data to the iPhone. @@ -951,10 +948,10 @@ ssize_t lockdownd_secuwrite(gnutls_transport_ptr_t transport, char *buffer, size int bytes = 0; iphone_lckd_client_t control; control = (iphone_lckd_client_t) transport; - log_debug_msg("lockdownd_secuwrite() called\n"); - log_debug_msg("pre-send\nlength = %zi\n", length); + log_dbg_msg(DBGMASK_LOCKDOWND, "lockdownd_secuwrite() called\n"); + log_dbg_msg(DBGMASK_LOCKDOWND, "pre-send\nlength = %zi\n", length); iphone_mux_send(control->connection, buffer, length, &bytes); - log_debug_msg("post-send\nsent %i bytes\n", bytes); + log_dbg_msg(DBGMASK_LOCKDOWND, "post-send\nsent %i bytes\n", bytes); dump_debug_buffer("sslpacketwrite.out", buffer, length); return bytes; @@ -1038,86 +1035,72 @@ iphone_error_t iphone_lckd_start_service(iphone_lckd_client_t client, const char if (!client->in_SSL && !lockdownd_start_SSL_session(client, host_id)) return IPHONE_E_SSL_ERROR; - char *XML_query, **dictionary; - uint32 length, i = 0, port_loc = 0, bytes = 0; - uint8 result = 0; + plist_t dict = NULL; + uint32_t port_loc = 0; iphone_error_t ret = IPHONE_E_UNKNOWN_ERROR; free(host_id); host_id = NULL; - xmlDocPtr plist = new_plist(); - xmlNode *dict = add_child_to_plist(plist, "dict", "\n", NULL, 0); - xmlNode *key; - key = add_key_str_dict_element(plist, dict, "Request", "StartService", 1); - if (!key) { - xmlFreeDoc(plist); - return IPHONE_E_UNKNOWN_ERROR; - } - key = add_key_str_dict_element(plist, dict, "Service", service, 1); - if (!key) { - xmlFreeDoc(plist); - return IPHONE_E_UNKNOWN_ERROR; - } + dict = plist_new_dict(); + plist_add_sub_key_el(dict, "Request"); + plist_add_sub_string_el(dict, "StartService"); + plist_add_sub_key_el(dict, "Service"); + plist_add_sub_string_el(dict, service); - xmlDocDumpMemory(plist, (xmlChar **) & XML_query, &length); + /* send to iPhone */ + ret = iphone_lckd_send(client, dict); + plist_free(dict); + dict = NULL; - ret = iphone_lckd_send(client, XML_query, length, &bytes); - free(XML_query); if (IPHONE_E_SUCCESS != ret) return ret; - ret = iphone_lckd_recv(client, &XML_query, &bytes); - xmlFreeDoc(plist); + ret = iphone_lckd_recv(client, &dict); + if (IPHONE_E_SUCCESS != ret) return ret; - if (bytes <= 0) - return IPHONE_E_NOT_ENOUGH_DATA; - else { - plist = xmlReadMemory(XML_query, bytes, NULL, NULL, 0); - if (!plist) - return IPHONE_E_UNKNOWN_ERROR; - dict = xmlDocGetRootElement(plist); - if (!dict) - return IPHONE_E_UNKNOWN_ERROR; - for (dict = dict->children; dict; dict = dict->next) { - if (!xmlStrcmp(dict->name, "dict")) - break; - } + if (!dict) + return IPHONE_E_PLIST_ERROR; - if (!dict) - return IPHONE_E_UNKNOWN_ERROR; - dictionary = read_dict_element_strings(dict); + plist_t query_node = plist_find_node_by_string(dict, "StartService"); + plist_t result_key_node = plist_get_next_sibling(query_node); + plist_t result_value_node = plist_get_next_sibling(result_key_node); - for (i = 0; dictionary[i]; i += 2) { - log_debug_msg("lockdownd_start_service() dictionary %s: %s\n", dictionary[i], dictionary[i + 1]); + plist_t port_key_node = plist_find_node_by_key(dict, "Port"); + plist_t port_value_node = plist_get_next_sibling(port_key_node); - if (!xmlStrcmp(dictionary[i], "Port")) { - port_loc = atoi(dictionary[i + 1]); - log_debug_msg("lockdownd_start_service() atoi'd port: %i\n", port); - } + plist_type result_key_type = plist_get_node_type(result_key_node); + plist_type result_value_type = plist_get_node_type(result_value_node); + plist_type port_key_type = plist_get_node_type(port_key_node); + plist_type port_value_type = plist_get_node_type(port_value_node); - if (!xmlStrcmp(dictionary[i], "Result")) { - if (!xmlStrcmp(dictionary[i + 1], "Success")) { - result = 1; - } - } - } + if (result_key_type == PLIST_KEY && result_value_type == PLIST_STRING && port_key_type == PLIST_KEY + && port_value_type == PLIST_UINT) { - log_debug_msg("lockdownd_start_service(): DATA RECEIVED:\n\n"); - log_debug_msg(XML_query); - log_debug_msg("end data received by lockdownd_start_service()\n"); + char *result_key = NULL; + char *result_value = NULL; + char *port_key = NULL; + uint64_t port_value = 0; - free(XML_query); - xmlFreeDoc(plist); - free_dictionary(dictionary); - if (port && result) { + plist_get_key_val(result_key_node, &result_key); + plist_get_string_val(result_value_node, &result_value); + plist_get_key_val(port_key_node, &port_key); + plist_get_uint_val(port_value_node, &port_value); + + if (!strcmp(result_key, "Result") && !strcmp(result_value, "Success") && !strcmp(port_key, "Port")) { + port_loc = port_value; + ret = IPHONE_E_SUCCESS; + } + + if (port && ret == IPHONE_E_SUCCESS) *port = port_loc; - return IPHONE_E_SUCCESS; - } else - return IPHONE_E_UNKNOWN_ERROR; + else + ret = IPHONE_E_UNKNOWN_ERROR; } - return IPHONE_E_UNKNOWN_ERROR; + plist_free(dict); + dict = NULL; + return ret; } |