diff options
Diffstat (limited to 'src/lockdown.c')
| -rw-r--r-- | src/lockdown.c | 639 |
1 files changed, 320 insertions, 319 deletions
diff --git a/src/lockdown.c b/src/lockdown.c index cf0d99e..c6d5f80 100644 --- a/src/lockdown.c +++ b/src/lockdown.c @@ -31,6 +31,8 @@ #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 +42,6 @@ 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 @@ -92,7 +65,6 @@ iphone_lckd_client_t new_lockdownd_client(iphone_device_t phone) return control; } - /** Closes the lockdownd client and does the necessary housekeeping. * * @param control The lockdown client @@ -128,7 +100,7 @@ iphone_error_t iphone_lckd_recv(iphone_lckd_client_t client, char **dump_data, u 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); @@ -202,49 +174,55 @@ 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; + plist_t dict = plist_new_dict(); + plist_add_sub_element(dict, PLIST_KEY, (void *) "Request", strlen("Request")); + plist_add_sub_element(dict, PLIST_STRING, (void *) "QueryType", strlen("QueryType")); + 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; + char *XML_content = NULL; + uint32_t length = 0; - xmlDocDumpMemory(plist, (xmlChar **) & XML_content, &length); + plist_to_xml(dict, &XML_content, &length); + log_debug_msg("Send msg :\nsize : %i\nxml : %s", length, XML_content); ret = iphone_lckd_send(control, XML_content, length, &bytes); - xmlFree(XML_content); - xmlFreeDoc(plist); - plist = NULL; + free(XML_content); + XML_content = NULL; + plist_free(dict); + dict = NULL; + ret = iphone_lckd_recv(control, &XML_content, &bytes); + log_debug_msg("Receive msg :\nsize : %i\nxml : %s", bytes, XML_content); + plist_from_xml(XML_content, bytes, &dict); - 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); + return IPHONE_E_PLIST_ERROR; - 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_E_SUCCESS; - break; - } + plist_t query_node = plist_find_node(dict, PLIST_STRING, "QueryType", strlen("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_type value_type; + + char *result_value = NULL; + char *value_value = NULL; + uint64_t result_length = 0; + uint64_t value_length = 0; + + plist_get_type_and_value(result_node, &result_type, (void *) (&result_value), &result_length); + plist_get_type_and_value(value_node, &value_type, (void *) (&value_value), &value_length); + + if (result_type == PLIST_KEY && + value_type == PLIST_STRING && !strcmp(result_value, "Result") && !strcmp(value_value, "Success")) { + log_debug_msg("lockdownd_hello(): success\n"); + ret = IPHONE_E_SUCCESS; } - free_dictionary(dictionary); return ret; } @@ -256,74 +234,94 @@ 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) +iphone_error_t lockdownd_generic_get_value(iphone_lckd_client_t control, const char *req_key, char *req_string, + 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; + + plist_t dict = NULL; int bytes = 0, i = 0; char *XML_content = NULL; - uint32 length = 0; + uint32_t length = 0; 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_element(dict, PLIST_KEY, (void *) req_key, strlen(req_key)); + plist_add_sub_element(dict, PLIST_STRING, (void *) req_string, strlen(req_string)); + plist_add_sub_element(dict, PLIST_KEY, (void *) "Request", strlen("Request")); + plist_add_sub_element(dict, PLIST_STRING, (void *) "GetValue", strlen("GetValue")); + plist_to_xml(dict, &XML_content, &length); /* send to iPhone */ + log_debug_msg("Send msg :\nsize : %i\nxml : %s", length, XML_content); ret = iphone_lckd_send(control, XML_content, length, &bytes); - xmlFree(XML_content); - xmlFreeDoc(plist); - plist = NULL; + free(XML_content); + XML_content = 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); + log_debug_msg("Receive msg :\nsize : %i\nxml : %s", bytes, XML_content); 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; - } + plist_from_xml(XML_content, bytes, &dict); if (!dict) - return IPHONE_E_DICT_ERROR; + return IPHONE_E_PLIST_ERROR; - /* Parse xml to check success and to find public key */ - dictionary = read_dict_element_strings(dict); - xmlFreeDoc(plist); - free(XML_content); + plist_t query_node = plist_find_node(dict, PLIST_STRING, "GetValue", strlen("GetValue")); + plist_t result_key_node = plist_get_next_sibling(query_node); + plist_t result_value_node = plist_get_next_sibling(result_key_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]); - } + plist_type result_key_type; + plist_type result_value_type; + char *result_key = NULL; + char *result_value = NULL; + uint64_t result_length = 0; + uint64_t value_length = 0; + + plist_get_type_and_value(result_key_node, &result_key_type, (void *) (&result_key), &result_length); + plist_get_type_and_value(result_value_node, &result_value_type, (void *) (&result_value), &value_length); + + if (result_key_type == PLIST_KEY && + result_value_type == PLIST_STRING && !strcmp(result_key, "Result") && !strcmp(result_value, "Success")) { + log_debug_msg("lockdownd_generic_get_value(): success\n"); + ret = IPHONE_E_SUCCESS; } - if (dictionary) { - free_dictionary(dictionary); - dictionary = NULL; + if (ret != IPHONE_E_SUCCESS) { + return IPHONE_E_DICT_ERROR; } - if (success) + + plist_t value_key_node = plist_get_next_sibling(result_key_node); + plist_t value_value_node = plist_get_next_sibling(value_key_node); + plist_type value_key_type; + plist_type value_value_type; + char *value_key = NULL; + char *value_value = NULL; + uint64_t key_length = 0; + uint64_t valval_length = 0; + + plist_get_type_and_value(value_key_node, &value_key_type, (void *) (&value_key), &key_length); + plist_get_type_and_value(value_value_node, &value_value_type, (void *) (&value_value), &valval_length); + + if (value_key_type == PLIST_KEY && !strcmp(result_key, "Value")) { + log_debug_msg("lockdownd_generic_get_value(): success\n"); + value->data = value_value; + value->size = valval_length; ret = IPHONE_E_SUCCESS; + } + + plist_free(dict); + free(XML_content); return ret; } @@ -335,7 +333,9 @@ 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 }; + return lockdownd_generic_get_value(control, "Key", "UniqueDeviceID", &temp); + *uid = temp.data; } /** Askes for the device's public key. Part of the lockdownd handshake. @@ -344,7 +344,7 @@ 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); } @@ -416,51 +416,52 @@ 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; + plist_t dict = NULL; + plist_t dict_record = NULL; int bytes = 0, i = 0; char *XML_content = NULL; - uint32 length = 0; + uint32_t length = 0; - char *device_cert_b64 = NULL; - char *host_cert_b64 = NULL; - char *root_cert_b64 = NULL; - char *public_key_b64 = 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_b64); + ret = lockdownd_get_device_public_key(control, &public_key); if (ret != IPHONE_E_SUCCESS) { fprintf(stderr, "Device refused to send public key.\n"); return ret; } - 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_element(dict, PLIST_KEY, (void *) "PairRecord", strlen("PairRecord")); + dict_record = plist_add_sub_element(dict, PLIST_DICT, NULL, 0); + plist_add_sub_element(dict_record, PLIST_KEY, (void *) "DeviceCertificate", strlen("DeviceCertificate")); + plist_add_sub_element(dict_record, PLIST_DATA, (void *) device_cert.data, device_cert.size); + plist_add_sub_element(dict_record, PLIST_KEY, (void *) "HostCertificate", strlen("HostCertificate")); + plist_add_sub_element(dict_record, PLIST_DATA, (void *) host_cert.data, host_cert.size); + plist_add_sub_element(dict_record, PLIST_KEY, (void *) "HostID", strlen("HostID")); + plist_add_sub_element(dict_record, PLIST_STRING, (void *) host_id, strlen(host_id)); + plist_add_sub_element(dict_record, PLIST_KEY, (void *) "RootCertificate", strlen("RootCertificate")); + plist_add_sub_element(dict_record, PLIST_DATA, (void *) root_cert.data, root_cert.size); + plist_add_sub_element(dict_record, PLIST_KEY, (void *) "Request", strlen("Request")); + plist_add_sub_element(dict_record, PLIST_STRING, (void *) "Pair", strlen("Pair")); + plist_to_xml(dict, &XML_content, &length); + log_debug_msg("XML Pairing request :\nsize : %i\nxml :\n %s", length, XML_content); /* send to iPhone */ ret = iphone_lckd_send(control, XML_content, length, &bytes); - xmlFree(XML_content); - xmlFreeDoc(plist); - plist = NULL; + free(XML_content); + plist_free(dict); + dict = NULL; if (ret != IPHONE_E_SUCCESS) return ret; @@ -475,48 +476,39 @@ iphone_error_t lockdownd_pair_device(iphone_lckd_client_t control, char *uid, ch log_debug_msg(XML_content); log_debug_msg("\n\n"); - plist = xmlReadMemory(XML_content, bytes, NULL, NULL, 0); - if (!plist) { - free(public_key_b64); + plist_from_xml(XML_content, bytes, &dict); + if (!dict) 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; - } - /* Parse xml to check success and to find public key */ - dictionary = read_dict_element_strings(dict); - xmlFreeDoc(plist); - free(XML_content); + plist_t query_node = plist_find_node(dict, PLIST_STRING, "Pair", strlen("Pair")); + plist_t result_key_node = plist_get_next_sibling(query_node); + plist_t result_value_node = plist_get_next_sibling(result_key_node); - int success = 0; - for (i = 0; dictionary[i]; i += 2) { - if (!strcmp(dictionary[i], "Result") && !strcmp(dictionary[i + 1], "Success")) { - success = 1; - } - } + plist_type result_key_type; + plist_type result_value_type; + char *result_key = NULL; + char *result_value = NULL; + uint64_t key_length = 0; + uint64_t val_length = 0; + + plist_get_type_and_value(result_key_node, &result_key_type, (void *) (&result_key), &key_length); + plist_get_type_and_value(result_value_node, &result_value_type, (void *) (&result_value), &val_length); - if (dictionary) { - free_dictionary(dictionary); - dictionary = NULL; + if (result_key_type == PLIST_KEY && + result_value_type == PLIST_STRING && !strcmp(result_key, "Result") && !strcmp(result_value, "Success")) { + ret = IPHONE_E_SUCCESS; } /* store public key in config if pairing succeeded */ - if (success) { + if (ret == IPHONE_E_SUCCESS) { log_debug_msg("lockdownd_pair_device: pair success\n"); - store_device_public_key(uid, public_key_b64); + store_device_public_key(uid, public_key); ret = IPHONE_E_SUCCESS; } else { log_debug_msg("lockdownd_pair_device: pair failure\n"); ret = IPHONE_E_PAIRING_FAILED; } - free(public_key_b64); + free(public_key.data); return ret; } @@ -525,25 +517,19 @@ iphone_error_t lockdownd_pair_device(iphone_lckd_client_t control, char *uid, ch * * @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; @@ -627,10 +613,18 @@ iphone_error_t lockdownd_gen_pair_cert(char *public_key_b64, char **device_cert_ 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); + /* 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; } gnutls_free(pem_root_priv.data); gnutls_free(pem_root_cert.data); @@ -642,7 +636,6 @@ 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; } @@ -656,113 +649,112 @@ 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; + plist_t dict = NULL; + char *XML_content = NULL; + uint32_t length = 0, bytes = 0, return_me = 0; + iphone_error_t ret = IPHONE_E_UNKNOWN_ERROR; - // end variables - 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; - } + /* Setup DevicePublicKey request plist */ + dict = plist_new_dict(); + plist_add_sub_element(dict, PLIST_KEY, (void *) "HostID", strlen("HostID")); + plist_add_sub_element(dict, PLIST_STRING, (void *) HostID, strlen(HostID)); + plist_add_sub_element(dict, PLIST_KEY, (void *) "Request", strlen("Request")); + plist_add_sub_element(dict, PLIST_STRING, (void *) "StartSession", strlen("StartSession")); + plist_to_xml(dict, &XML_content, &length); + log_debug_msg("Send msg :\nsize : %i\nxml : %s", length, XML_content); - xmlDocDumpMemory(plist, (xmlChar **) & what2send, &len); - ret = iphone_lckd_send(control, what2send, len, &bytes); + ret = iphone_lckd_send(control, XML_content, length, &bytes); - xmlFree(what2send); - xmlFreeDoc(plist); + free(XML_content); + XML_content = NULL; + 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); + ret = iphone_lckd_recv(control, &XML_content, &bytes); + log_debug_msg("Receive msg :\nsize : %i\nxml : %s", bytes, XML_content); + plist_from_xml(XML_content, bytes, &dict); 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); - 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); - - } - 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"); - - free_dictionary(dictionary); - - 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; - return IPHONE_E_SUCCESS; - } + return IPHONE_E_PLIST_ERROR; + + plist_t query_node = plist_find_node(dict, PLIST_STRING, "StartSession", strlen("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_type result_value_type; + char *result_key = NULL; + char *result_value = NULL; + uint64_t key_length = 0; + uint64_t val_length = 0; + + plist_get_type_and_value(result_key_node, &result_key_type, (void *) (&result_key), &key_length); + plist_get_type_and_value(result_value_node, &result_value_type, (void *) (&result_value), &val_length); + + free(XML_content); + XML_content = NULL; + plist_free(dict); + dict = NULL; + + if (result_key_type == PLIST_KEY && + result_value_type == PLIST_STRING && !strcmp(result_key, "Result") && !strcmp(result_value, "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); + + } + 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; + return IPHONE_E_SUCCESS; } } 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]); - } - - - free_dictionary(dictionary); return IPHONE_E_SSL_ERROR; } else { log_debug_msg("Didn't get enough bytes.\n"); @@ -894,81 +886,90 @@ 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; + char *XML_content = NULL; + uint32_t length, i = 0, port_loc = 0, bytes = 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_element(dict, PLIST_KEY, (void *) "Request", strlen("Request")); + plist_add_sub_element(dict, PLIST_STRING, (void *) "StartService", strlen("StartService")); + plist_add_sub_element(dict, PLIST_KEY, (void *) "Service", strlen("Service")); + plist_add_sub_element(dict, PLIST_STRING, (void *) service, strlen(service)); + plist_to_xml(dict, &XML_content, &length); - xmlDocDumpMemory(plist, (xmlChar **) & XML_query, &length); + /* send to iPhone */ + log_debug_msg("Send msg :\nsize : %i\nxml : %s", length, XML_content); + ret = iphone_lckd_send(client, XML_content, length, &bytes); + + free(XML_content); + XML_content = NULL; + 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, &XML_content, &bytes); + if (IPHONE_E_SUCCESS != ret) return ret; + plist_from_xml(XML_content, bytes, &dict); + if (!dict) + return IPHONE_E_PLIST_ERROR; + + 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_UNKNOWN_ERROR; - dictionary = read_dict_element_strings(dict); - - for (i = 0; dictionary[i]; i += 2) { - log_debug_msg("lockdownd_start_service() dictionary %s: %s\n", dictionary[i], dictionary[i + 1]); - - if (!xmlStrcmp(dictionary[i], "Port")) { - port_loc = atoi(dictionary[i + 1]); - log_debug_msg("lockdownd_start_service() atoi'd port: %i\n", port); - } - - if (!xmlStrcmp(dictionary[i], "Result")) { - if (!xmlStrcmp(dictionary[i + 1], "Success")) { - result = 1; - } - } + plist_t query_node = plist_find_node(dict, PLIST_STRING, "StartService", strlen("StartService")); + plist_t result_key_node = plist_get_next_sibling(query_node); + plist_t result_value_node = plist_get_next_sibling(result_key_node); + + plist_t port_key_node = plist_find_node(dict, PLIST_KEY, "Port", strlen("Port")); + plist_t port_value_node = plist_get_next_sibling(port_key_node); + + plist_type result_key_type; + plist_type result_value_type; + plist_type port_key_type; + plist_type port_value_type; + char *result_key = NULL; + char *result_value = NULL; + char *port_key = NULL; + uint64_t res_key_length = 0; + uint64_t res_val_length = 0; + uint64_t port_key_length = 0; + uint64_t port_val_length = 0; + uint64_t port_value = 0; + + plist_get_type_and_value(result_key_node, &result_key_type, (void *) (&result_key), &res_key_length); + plist_get_type_and_value(result_value_node, &result_value_type, (void *) (&result_value), &res_val_length); + plist_get_type_and_value(port_key_node, &port_key_type, (void *) (&port_key), &port_key_length); + plist_get_type_and_value(port_value_node, &port_value_type, (void *) (&port_value), &port_val_length); + + if (result_key_type == PLIST_KEY && + result_value_type == PLIST_STRING && + port_key_type == PLIST_KEY && + port_value_type == PLIST_UINT && + !strcmp(result_key, "Result") && !strcmp(result_value, "Success") && !strcmp(port_key, "Port")) { + port_loc = port_value; + ret = IPHONE_E_SUCCESS; } log_debug_msg("lockdownd_start_service(): DATA RECEIVED:\n\n"); - log_debug_msg(XML_query); + log_debug_msg(XML_content); log_debug_msg("end data received by lockdownd_start_service()\n"); - free(XML_query); - xmlFreeDoc(plist); - free_dictionary(dictionary); - if (port && result) { + free(XML_content); + plist_free(dict); + dict = NULL; + if (port && ret == IPHONE_E_SUCCESS) { *port = port_loc; return IPHONE_E_SUCCESS; } else |