| /* |
| * idevice.c |
| * Device discovery and communication interface. |
| * |
| * Copyright (c) 2014 Martin Szulecki All Rights Reserved. |
| * Copyright (c) 2009-2014 Nikias Bassen. All Rights Reserved. |
| * 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 |
| */ |
| |
| #ifdef HAVE_CONFIG_H |
| #include <config.h> |
| #endif |
| |
| #include <stdlib.h> |
| #include <string.h> |
| #include <errno.h> |
| |
| #ifdef WIN32 |
| #include <windows.h> |
| int APIENTRY DllMain(HANDLE hModule, DWORD dwReason, LPVOID lpReserved); |
| #endif |
| |
| #include <usbmuxd.h> |
| #ifdef HAVE_OPENSSL |
| #include <openssl/ssl.h> |
| #else |
| #include <gnutls/gnutls.h> |
| #endif |
| #include "idevice.h" |
| #include "common/userpref.h" |
| #include "common/thread.h" |
| #include "common/debug.h" |
| |
| #ifdef HAVE_OPENSSL |
| static mutex_t *mutex_buf = NULL; |
| static void locking_function(int mode, int n, const char* file, int line) |
| { |
| if (mode & CRYPTO_LOCK) |
| mutex_lock(&mutex_buf[n]); |
| else |
| mutex_unlock(&mutex_buf[n]); |
| } |
| |
| static unsigned long id_function(void) |
| { |
| return ((unsigned long)THREAD_ID); |
| } |
| #endif |
| |
| static void internal_idevice_init(void) |
| { |
| #ifdef HAVE_OPENSSL |
| int i; |
| SSL_library_init(); |
| |
| mutex_buf = malloc(CRYPTO_num_locks() * sizeof(mutex_t)); |
| if (!mutex_buf) |
| return; |
| for (i = 0; i < CRYPTO_num_locks(); i++) |
| mutex_init(&mutex_buf[i]); |
| |
| CRYPTO_set_id_callback(id_function); |
| CRYPTO_set_locking_callback(locking_function); |
| #else |
| gnutls_global_init(); |
| #endif |
| } |
| |
| static void internal_idevice_deinit(void) |
| { |
| #ifdef HAVE_OPENSSL |
| int i; |
| if (!mutex_buf) |
| return; |
| CRYPTO_set_id_callback(NULL); |
| CRYPTO_set_locking_callback(NULL); |
| for (i = 0; i < CRYPTO_num_locks(); i++) |
| mutex_destroy(&mutex_buf[i]); |
| free(mutex_buf); |
| mutex_buf = NULL; |
| #else |
| gnutls_global_deinit(); |
| #endif |
| } |
| |
| static thread_once_t init_once = THREAD_ONCE_INIT; |
| static thread_once_t deinit_once = THREAD_ONCE_INIT; |
| |
| #ifdef WIN32 |
| int APIENTRY DllMain(HANDLE hModule, DWORD dwReason, LPVOID lpReserved) |
| { |
| switch (dwReason) { |
| case DLL_PROCESS_ATTACH: |
| thread_once(&init_once, internal_idevice_init); |
| break; |
| case DLL_PROCESS_DETACH: |
| thread_once(&deinit_once, internal_idevice_deinit); |
| break; |
| default: |
| break; |
| } |
| return 1; |
| } |
| #else |
| static void __attribute__((constructor)) libimobiledevice_initialize(void) |
| { |
| thread_once(&init_once, internal_idevice_init); |
| } |
| |
| static void __attribute__((destructor)) libimobiledevice_deinitialize(void) |
| { |
| thread_once(&deinit_once, internal_idevice_deinit); |
| } |
| #endif |
| |
| static idevice_event_cb_t event_cb = NULL; |
| |
| static void usbmux_event_cb(const usbmuxd_event_t *event, void *user_data) |
| { |
| idevice_event_t ev; |
| |
| ev.event = event->event; |
| ev.udid = event->device.udid; |
| ev.conn_type = CONNECTION_USBMUXD; |
| |
| if (event_cb) { |
| event_cb(&ev, user_data); |
| } |
| } |
| |
| idevice_error_t idevice_event_subscribe(idevice_event_cb_t callback, void *user_data) |
| { |
| event_cb = callback; |
| int res = usbmuxd_subscribe(usbmux_event_cb, user_data); |
| if (res != 0) { |
| event_cb = NULL; |
| debug_info("ERROR: usbmuxd_subscribe() returned %d!", res); |
| return IDEVICE_E_UNKNOWN_ERROR; |
| } |
| return IDEVICE_E_SUCCESS; |
| } |
| |
| idevice_error_t idevice_event_unsubscribe() |
| { |
| event_cb = NULL; |
| int res = usbmuxd_unsubscribe(); |
| if (res != 0) { |
| debug_info("ERROR: usbmuxd_unsubscribe() returned %d!", res); |
| return IDEVICE_E_UNKNOWN_ERROR; |
| } |
| return IDEVICE_E_SUCCESS; |
| } |
| |
| idevice_error_t idevice_get_device_list(char ***devices, int *count) |
| { |
| usbmuxd_device_info_t *dev_list; |
| |
| *devices = NULL; |
| *count = 0; |
| |
| if (usbmuxd_get_device_list(&dev_list) < 0) { |
| debug_info("ERROR: usbmuxd is not running!", __func__); |
| return IDEVICE_E_NO_DEVICE; |
| } |
| |
| char **newlist = NULL; |
| int i, newcount = 0; |
| |
| for (i = 0; dev_list[i].handle > 0; i++) { |
| newlist = realloc(*devices, sizeof(char*) * (newcount+1)); |
| newlist[newcount++] = strdup(dev_list[i].udid); |
| *devices = newlist; |
| } |
| usbmuxd_device_list_free(&dev_list); |
| |
| *count = newcount; |
| newlist = realloc(*devices, sizeof(char*) * (newcount+1)); |
| newlist[newcount] = NULL; |
| *devices = newlist; |
| |
| return IDEVICE_E_SUCCESS; |
| } |
| |
| idevice_error_t idevice_device_list_free(char **devices) |
| { |
| if (devices) { |
| int i = 0; |
| while (devices[i]) { |
| free(devices[i]); |
| i++; |
| } |
| free(devices); |
| } |
| return IDEVICE_E_SUCCESS; |
| } |
| |
| idevice_error_t idevice_new(idevice_t * device, const char *udid) |
| { |
| usbmuxd_device_info_t muxdev; |
| int res = usbmuxd_get_device_by_udid(udid, &muxdev); |
| if (res > 0) { |
| idevice_t dev = (idevice_t) malloc(sizeof(struct idevice_private)); |
| dev->udid = strdup(muxdev.udid); |
| dev->conn_type = CONNECTION_USBMUXD; |
| dev->conn_data = (void*)(long)muxdev.handle; |
| *device = dev; |
| return IDEVICE_E_SUCCESS; |
| } |
| /* other connection types could follow here */ |
| |
| return IDEVICE_E_NO_DEVICE; |
| } |
| |
| idevice_error_t idevice_free(idevice_t device) |
| { |
| if (!device) |
| return IDEVICE_E_INVALID_ARG; |
| idevice_error_t ret = IDEVICE_E_UNKNOWN_ERROR; |
| |
| ret = IDEVICE_E_SUCCESS; |
| |
| free(device->udid); |
| |
| if (device->conn_type == CONNECTION_USBMUXD) { |
| device->conn_data = 0; |
| } |
| if (device->conn_data) { |
| free(device->conn_data); |
| } |
| free(device); |
| return ret; |
| } |
| |
| idevice_error_t idevice_connect(idevice_t device, uint16_t port, idevice_connection_t *connection) |
| { |
| if (!device) { |
| return IDEVICE_E_INVALID_ARG; |
| } |
| |
| if (device->conn_type == CONNECTION_USBMUXD) { |
| int sfd = usbmuxd_connect((uint32_t)(long)device->conn_data, port); |
| if (sfd < 0) { |
| debug_info("ERROR: Connecting to usbmuxd failed: %d (%s)", sfd, strerror(-sfd)); |
| return IDEVICE_E_UNKNOWN_ERROR; |
| } |
| idevice_connection_t new_connection = (idevice_connection_t)malloc(sizeof(struct idevice_connection_private)); |
| new_connection->type = CONNECTION_USBMUXD; |
| new_connection->data = (void*)(long)sfd; |
| new_connection->ssl_data = NULL; |
| idevice_get_udid(device, &new_connection->udid); |
| *connection = new_connection; |
| return IDEVICE_E_SUCCESS; |
| } else { |
| debug_info("Unknown connection type %d", device->conn_type); |
| } |
| |
| return IDEVICE_E_UNKNOWN_ERROR; |
| } |
| |
| idevice_error_t idevice_disconnect(idevice_connection_t connection) |
| { |
| if (!connection) { |
| return IDEVICE_E_INVALID_ARG; |
| } |
| /* shut down ssl if enabled */ |
| if (connection->ssl_data) { |
| idevice_connection_disable_ssl(connection); |
| } |
| idevice_error_t result = IDEVICE_E_UNKNOWN_ERROR; |
| if (connection->type == CONNECTION_USBMUXD) { |
| usbmuxd_disconnect((int)(long)connection->data); |
| connection->data = NULL; |
| result = IDEVICE_E_SUCCESS; |
| } else { |
| debug_info("Unknown connection type %d", connection->type); |
| } |
| |
| if (connection->udid) |
| free(connection->udid); |
| |
| free(connection); |
| connection = NULL; |
| |
| return result; |
| } |
| |
| /** |
| * Internally used function to send raw data over the given connection. |
| */ |
| static idevice_error_t internal_connection_send(idevice_connection_t connection, const char *data, uint32_t len, uint32_t *sent_bytes) |
| { |
| if (!connection || !data) { |
| return IDEVICE_E_INVALID_ARG; |
| } |
| |
| if (connection->type == CONNECTION_USBMUXD) { |
| int res = usbmuxd_send((int)(long)connection->data, data, len, sent_bytes); |
| if (res < 0) { |
| debug_info("ERROR: usbmuxd_send returned %d (%s)", res, strerror(-res)); |
| return IDEVICE_E_UNKNOWN_ERROR; |
| } |
| return IDEVICE_E_SUCCESS; |
| } else { |
| debug_info("Unknown connection type %d", connection->type); |
| } |
| return IDEVICE_E_UNKNOWN_ERROR; |
| |
| } |
| |
| idevice_error_t idevice_connection_send(idevice_connection_t connection, const char *data, uint32_t len, uint32_t *sent_bytes) |
| { |
| if (!connection || !data || (connection->ssl_data && !connection->ssl_data->session)) { |
| return IDEVICE_E_INVALID_ARG; |
| } |
| |
| if (connection->ssl_data) { |
| #ifdef HAVE_OPENSSL |
| int sent = SSL_write(connection->ssl_data->session, (const void*)data, (int)len); |
| debug_info("SSL_write %d, sent %d", len, sent); |
| #else |
| ssize_t sent = gnutls_record_send(connection->ssl_data->session, (void*)data, (size_t)len); |
| #endif |
| if ((uint32_t)sent == (uint32_t)len) { |
| *sent_bytes = sent; |
| return IDEVICE_E_SUCCESS; |
| } |
| *sent_bytes = 0; |
| return IDEVICE_E_SSL_ERROR; |
| } |
| return internal_connection_send(connection, data, len, sent_bytes); |
| } |
| |
| /** |
| * Internally used function for receiving raw data over the given connection |
| * using a timeout. |
| */ |
| static idevice_error_t internal_connection_receive_timeout(idevice_connection_t connection, char *data, uint32_t len, uint32_t *recv_bytes, unsigned int timeout) |
| { |
| if (!connection) { |
| return IDEVICE_E_INVALID_ARG; |
| } |
| |
| if (connection->type == CONNECTION_USBMUXD) { |
| int res = usbmuxd_recv_timeout((int)(long)connection->data, data, len, recv_bytes, timeout); |
| if (res < 0) { |
| debug_info("ERROR: usbmuxd_recv_timeout returned %d (%s)", res, strerror(-res)); |
| return IDEVICE_E_UNKNOWN_ERROR; |
| } |
| return IDEVICE_E_SUCCESS; |
| } else { |
| debug_info("Unknown connection type %d", connection->type); |
| } |
| return IDEVICE_E_UNKNOWN_ERROR; |
| } |
| |
| idevice_error_t idevice_connection_receive_timeout(idevice_connection_t connection, char *data, uint32_t len, uint32_t *recv_bytes, unsigned int timeout) |
| { |
| if (!connection || (connection->ssl_data && !connection->ssl_data->session)) { |
| return IDEVICE_E_INVALID_ARG; |
| } |
| |
| if (connection->ssl_data) { |
| #ifdef HAVE_OPENSSL |
| uint32_t received = 0; |
| while (received < len) { |
| int r = SSL_read(connection->ssl_data->session, (void*)((char*)(data+received)), (int)len-received); |
| if (r > 0) { |
| received += r; |
| } else { |
| break; |
| } |
| } |
| debug_info("SSL_read %d, received %d", len, received); |
| #else |
| ssize_t received = gnutls_record_recv(connection->ssl_data->session, (void*)data, (size_t)len); |
| #endif |
| if (received > 0) { |
| *recv_bytes = received; |
| return IDEVICE_E_SUCCESS; |
| } |
| *recv_bytes = 0; |
| return IDEVICE_E_SSL_ERROR; |
| } |
| return internal_connection_receive_timeout(connection, data, len, recv_bytes, timeout); |
| } |
| |
| /** |
| * Internally used function for receiving raw data over the given connection. |
| */ |
| static idevice_error_t internal_connection_receive(idevice_connection_t connection, char *data, uint32_t len, uint32_t *recv_bytes) |
| { |
| if (!connection) { |
| return IDEVICE_E_INVALID_ARG; |
| } |
| |
| if (connection->type == CONNECTION_USBMUXD) { |
| int res = usbmuxd_recv((int)(long)connection->data, data, len, recv_bytes); |
| if (res < 0) { |
| debug_info("ERROR: usbmuxd_recv returned %d (%s)", res, strerror(-res)); |
| return IDEVICE_E_UNKNOWN_ERROR; |
| } |
| |
| return IDEVICE_E_SUCCESS; |
| } else { |
| debug_info("Unknown connection type %d", connection->type); |
| } |
| return IDEVICE_E_UNKNOWN_ERROR; |
| } |
| |
| idevice_error_t idevice_connection_receive(idevice_connection_t connection, char *data, uint32_t len, uint32_t *recv_bytes) |
| { |
| if (!connection || (connection->ssl_data && !connection->ssl_data->session)) { |
| return IDEVICE_E_INVALID_ARG; |
| } |
| |
| if (connection->ssl_data) { |
| #ifdef HAVE_OPENSSL |
| int received = SSL_read(connection->ssl_data->session, (void*)data, (int)len); |
| debug_info("SSL_read %d, received %d", len, received); |
| #else |
| ssize_t received = gnutls_record_recv(connection->ssl_data->session, (void*)data, (size_t)len); |
| #endif |
| if (received > 0) { |
| *recv_bytes = received; |
| return IDEVICE_E_SUCCESS; |
| } |
| *recv_bytes = 0; |
| return IDEVICE_E_SSL_ERROR; |
| } |
| return internal_connection_receive(connection, data, len, recv_bytes); |
| } |
| |
| idevice_error_t idevice_get_handle(idevice_t device, uint32_t *handle) |
| { |
| if (!device) |
| return IDEVICE_E_INVALID_ARG; |
| |
| if (device->conn_type == CONNECTION_USBMUXD) { |
| *handle = (uint32_t)(long)device->conn_data; |
| return IDEVICE_E_SUCCESS; |
| } else { |
| debug_info("Unknown connection type %d", device->conn_type); |
| } |
| return IDEVICE_E_UNKNOWN_ERROR; |
| } |
| |
| idevice_error_t idevice_get_udid(idevice_t device, char **udid) |
| { |
| if (!device || !udid) |
| return IDEVICE_E_INVALID_ARG; |
| |
| *udid = strdup(device->udid); |
| return IDEVICE_E_SUCCESS; |
| } |
| |
| #ifndef HAVE_OPENSSL |
| /** |
| * Internally used gnutls callback function for receiving encrypted data. |
| */ |
| static ssize_t internal_ssl_read(gnutls_transport_ptr_t transport, char *buffer, size_t length) |
| { |
| int bytes = 0, pos_start_fill = 0; |
| size_t tbytes = 0; |
| int this_len = length; |
| idevice_error_t res; |
| idevice_connection_t connection = (idevice_connection_t)transport; |
| char *recv_buffer; |
| |
| debug_info("pre-read client wants %zi bytes", length); |
| |
| recv_buffer = (char *)malloc(sizeof(char) * this_len); |
| |
| /* repeat until we have the full data or an error occurs */ |
| do { |
| if ((res = internal_connection_receive(connection, recv_buffer, this_len, (uint32_t*)&bytes)) != IDEVICE_E_SUCCESS) { |
| debug_info("ERROR: idevice_connection_receive returned %d", res); |
| return res; |
| } |
| debug_info("post-read we got %i bytes", bytes); |
| |
| /* increase read count */ |
| tbytes += bytes; |
| |
| /* fill the buffer with what we got right now */ |
| memcpy(buffer + pos_start_fill, recv_buffer, bytes); |
| pos_start_fill += bytes; |
| |
| if (tbytes >= length) { |
| break; |
| } |
| |
| this_len = length - tbytes; |
| debug_info("re-read trying to read missing %i bytes", this_len); |
| } while (tbytes < length); |
| |
| if (recv_buffer) { |
| free(recv_buffer); |
| } |
| return tbytes; |
| } |
| |
| /** |
| * Internally used gnutls callback function for sending encrypted data. |
| */ |
| static ssize_t internal_ssl_write(gnutls_transport_ptr_t transport, char *buffer, size_t length) |
| { |
| uint32_t bytes = 0; |
| idevice_error_t res; |
| idevice_connection_t connection = (idevice_connection_t)transport; |
| debug_info("pre-send length = %zi", length); |
| if ((res = internal_connection_send(connection, buffer, length, &bytes)) != IDEVICE_E_SUCCESS) { |
| debug_info("ERROR: internal_connection_send returned %d", res); |
| return -1; |
| } |
| debug_info("post-send sent %i bytes", bytes); |
| return bytes; |
| } |
| #endif |
| |
| /** |
| * Internally used function for cleaning up SSL stuff. |
| */ |
| static void internal_ssl_cleanup(ssl_data_t ssl_data) |
| { |
| if (!ssl_data) |
| return; |
| |
| #ifdef HAVE_OPENSSL |
| if (ssl_data->session) { |
| SSL_free(ssl_data->session); |
| } |
| if (ssl_data->ctx) { |
| SSL_CTX_free(ssl_data->ctx); |
| } |
| #else |
| if (ssl_data->session) { |
| gnutls_deinit(ssl_data->session); |
| } |
| if (ssl_data->certificate) { |
| gnutls_certificate_free_credentials(ssl_data->certificate); |
| } |
| if (ssl_data->root_cert) { |
| gnutls_x509_crt_deinit(ssl_data->root_cert); |
| } |
| if (ssl_data->host_cert) { |
| gnutls_x509_crt_deinit(ssl_data->host_cert); |
| } |
| if (ssl_data->root_privkey) { |
| gnutls_x509_privkey_deinit(ssl_data->root_privkey); |
| } |
| if (ssl_data->host_privkey) { |
| gnutls_x509_privkey_deinit(ssl_data->host_privkey); |
| } |
| #endif |
| } |
| |
| #ifdef HAVE_OPENSSL |
| static int ssl_verify_callback(int ok, X509_STORE_CTX *ctx) |
| { |
| return 1; |
| } |
| |
| #ifndef STRIP_DEBUG_CODE |
| static const char *errorstring(int e) |
| { |
| switch(e) { |
| case SSL_ERROR_NONE: |
| return "SSL_ERROR_NONE"; |
| case SSL_ERROR_SSL: |
| return "SSL_ERROR_SSL"; |
| case SSL_ERROR_WANT_READ: |
| return "SSL_ERROR_WANT_READ"; |
| case SSL_ERROR_WANT_WRITE: |
| return "SSL_ERROR_WANT_WRITE"; |
| case SSL_ERROR_WANT_X509_LOOKUP: |
| return "SSL_ERROR_WANT_X509_LOOKUP"; |
| case SSL_ERROR_SYSCALL: |
| return "SSL_ERROR_SYSCALL"; |
| case SSL_ERROR_ZERO_RETURN: |
| return "SSL_ERROR_ZERO_RETURN"; |
| case SSL_ERROR_WANT_CONNECT: |
| return "SSL_ERROR_WANT_CONNECT"; |
| case SSL_ERROR_WANT_ACCEPT: |
| return "SSL_ERROR_WANT_ACCEPT"; |
| default: |
| return "UNKOWN_ERROR_VALUE"; |
| } |
| } |
| #endif |
| #endif |
| |
| #ifndef HAVE_OPENSSL |
| /** |
| * Internally used gnutls callback function that gets called during handshake. |
| */ |
| static int internal_cert_callback(gnutls_session_t session, const gnutls_datum_t * req_ca_rdn, int nreqs, const gnutls_pk_algorithm_t * sign_algos, int sign_algos_length, gnutls_retr_st * st) |
| { |
| int res = -1; |
| gnutls_certificate_type_t type = gnutls_certificate_type_get(session); |
| if (type == GNUTLS_CRT_X509) { |
| ssl_data_t ssl_data = (ssl_data_t)gnutls_session_get_ptr(session); |
| if (ssl_data && ssl_data->host_privkey && ssl_data->host_cert) { |
| debug_info("Passing certificate"); |
| st->type = type; |
| st->ncerts = 1; |
| st->cert.x509 = &ssl_data->host_cert; |
| st->key.x509 = ssl_data->host_privkey; |
| st->deinit_all = 0; |
| res = 0; |
| } |
| } |
| return res; |
| } |
| #endif |
| |
| idevice_error_t idevice_connection_enable_ssl(idevice_connection_t connection) |
| { |
| if (!connection || connection->ssl_data) |
| return IDEVICE_E_INVALID_ARG; |
| |
| idevice_error_t ret = IDEVICE_E_SSL_ERROR; |
| uint32_t return_me = 0; |
| plist_t pair_record = NULL; |
| |
| userpref_read_pair_record(connection->udid, &pair_record); |
| if (!pair_record) { |
| debug_info("ERROR: Failed enabling SSL. Unable to read pair record for udid %s.", connection->udid); |
| return ret; |
| } |
| |
| #ifdef HAVE_OPENSSL |
| key_data_t root_cert = { NULL, 0 }; |
| key_data_t root_privkey = { NULL, 0 }; |
| |
| pair_record_import_crt_with_name(pair_record, USERPREF_ROOT_CERTIFICATE_KEY, &root_cert); |
| pair_record_import_key_with_name(pair_record, USERPREF_ROOT_PRIVATE_KEY_KEY, &root_privkey); |
| |
| if (pair_record) |
| plist_free(pair_record); |
| |
| BIO *ssl_bio = BIO_new(BIO_s_socket()); |
| if (!ssl_bio) { |
| debug_info("ERROR: Could not create SSL bio."); |
| return ret; |
| } |
| BIO_set_fd(ssl_bio, (int)(long)connection->data, BIO_NOCLOSE); |
| |
| SSL_CTX *ssl_ctx = SSL_CTX_new(SSLv3_method()); |
| if (ssl_ctx == NULL) { |
| debug_info("ERROR: Could not create SSL context."); |
| BIO_free(ssl_bio); |
| return ret; |
| } |
| |
| BIO* membp; |
| X509* rootCert = NULL; |
| membp = BIO_new_mem_buf(root_cert.data, root_cert.size); |
| PEM_read_bio_X509(membp, &rootCert, NULL, NULL); |
| BIO_free(membp); |
| if (SSL_CTX_use_certificate(ssl_ctx, rootCert) != 1) { |
| debug_info("WARNING: Could not load RootCertificate"); |
| } |
| X509_free(rootCert); |
| free(root_cert.data); |
| |
| RSA* rootPrivKey = NULL; |
| membp = BIO_new_mem_buf(root_privkey.data, root_privkey.size); |
| PEM_read_bio_RSAPrivateKey(membp, &rootPrivKey, NULL, NULL); |
| BIO_free(membp); |
| if (SSL_CTX_use_RSAPrivateKey(ssl_ctx, rootPrivKey) != 1) { |
| debug_info("WARNING: Could not load RootPrivateKey"); |
| } |
| RSA_free(rootPrivKey); |
| free(root_privkey.data); |
| |
| SSL *ssl = SSL_new(ssl_ctx); |
| if (!ssl) { |
| debug_info("ERROR: Could not create SSL object"); |
| BIO_free(ssl_bio); |
| SSL_CTX_free(ssl_ctx); |
| return ret; |
| } |
| SSL_set_connect_state(ssl); |
| SSL_set_verify(ssl, 0, ssl_verify_callback); |
| SSL_set_bio(ssl, ssl_bio, ssl_bio); |
| |
| return_me = SSL_do_handshake(ssl); |
| if (return_me != 1) { |
| debug_info("ERROR in SSL_do_handshake: %s", errorstring(SSL_get_error(ssl, return_me))); |
| SSL_free(ssl); |
| SSL_CTX_free(ssl_ctx); |
| } else { |
| ssl_data_t ssl_data_loc = (ssl_data_t)malloc(sizeof(struct ssl_data_private)); |
| ssl_data_loc->session = ssl; |
| ssl_data_loc->ctx = ssl_ctx; |
| connection->ssl_data = ssl_data_loc; |
| ret = IDEVICE_E_SUCCESS; |
| debug_info("SSL mode enabled, cipher: %s", SSL_get_cipher(ssl)); |
| } |
| #else |
| ssl_data_t ssl_data_loc = (ssl_data_t)malloc(sizeof(struct ssl_data_private)); |
| |
| /* Set up GnuTLS... */ |
| debug_info("enabling SSL mode"); |
| errno = 0; |
| gnutls_certificate_allocate_credentials(&ssl_data_loc->certificate); |
| gnutls_certificate_client_set_retrieve_function(ssl_data_loc->certificate, internal_cert_callback); |
| gnutls_init(&ssl_data_loc->session, GNUTLS_CLIENT); |
| gnutls_priority_set_direct(ssl_data_loc->session, "NONE:+VERS-SSL3.0:+ANON-DH:+RSA:+AES-128-CBC:+AES-256-CBC:+SHA1:+MD5:+COMP-NULL", NULL); |
| gnutls_credentials_set(ssl_data_loc->session, GNUTLS_CRD_CERTIFICATE, ssl_data_loc->certificate); |
| gnutls_session_set_ptr(ssl_data_loc->session, ssl_data_loc); |
| |
| gnutls_x509_crt_init(&ssl_data_loc->root_cert); |
| gnutls_x509_crt_init(&ssl_data_loc->host_cert); |
| gnutls_x509_privkey_init(&ssl_data_loc->root_privkey); |
| gnutls_x509_privkey_init(&ssl_data_loc->host_privkey); |
| |
| pair_record_import_crt_with_name(pair_record, USERPREF_ROOT_CERTIFICATE_KEY, ssl_data_loc->root_cert); |
| pair_record_import_crt_with_name(pair_record, USERPREF_HOST_CERTIFICATE_KEY, ssl_data_loc->host_cert); |
| pair_record_import_key_with_name(pair_record, USERPREF_ROOT_PRIVATE_KEY_KEY, ssl_data_loc->root_privkey); |
| pair_record_import_key_with_name(pair_record, USERPREF_HOST_PRIVATE_KEY_KEY, ssl_data_loc->host_privkey); |
| |
| if (pair_record) |
| plist_free(pair_record); |
| |
| debug_info("GnuTLS step 1..."); |
| gnutls_transport_set_ptr(ssl_data_loc->session, (gnutls_transport_ptr_t)connection); |
| debug_info("GnuTLS step 2..."); |
| gnutls_transport_set_push_function(ssl_data_loc->session, (gnutls_push_func) & internal_ssl_write); |
| debug_info("GnuTLS step 3..."); |
| gnutls_transport_set_pull_function(ssl_data_loc->session, (gnutls_pull_func) & internal_ssl_read); |
| debug_info("GnuTLS step 4 -- now handshaking..."); |
| if (errno) { |
| debug_info("WARNING: errno says %s before handshake!", strerror(errno)); |
| } |
| return_me = gnutls_handshake(ssl_data_loc->session); |
| debug_info("GnuTLS handshake done..."); |
| |
| if (return_me != GNUTLS_E_SUCCESS) { |
| internal_ssl_cleanup(ssl_data_loc); |
| free(ssl_data_loc); |
| debug_info("GnuTLS reported something wrong."); |
| gnutls_perror(return_me); |
| debug_info("oh.. errno says %s", strerror(errno)); |
| } else { |
| connection->ssl_data = ssl_data_loc; |
| ret = IDEVICE_E_SUCCESS; |
| debug_info("SSL mode enabled"); |
| } |
| #endif |
| return ret; |
| } |
| |
| idevice_error_t idevice_connection_disable_ssl(idevice_connection_t connection) |
| { |
| if (!connection) |
| return IDEVICE_E_INVALID_ARG; |
| if (!connection->ssl_data) { |
| /* ignore if ssl is not enabled */ |
| return IDEVICE_E_SUCCESS; |
| } |
| |
| #ifdef HAVE_OPENSSL |
| if (connection->ssl_data->session) { |
| /* see: https://www.openssl.org/docs/ssl/SSL_shutdown.html#RETURN_VALUES */ |
| if (SSL_shutdown(connection->ssl_data->session) == 0) { |
| SSL_shutdown(connection->ssl_data->session); |
| } |
| } |
| #else |
| if (connection->ssl_data->session) { |
| gnutls_bye(connection->ssl_data->session, GNUTLS_SHUT_RDWR); |
| } |
| #endif |
| internal_ssl_cleanup(connection->ssl_data); |
| free(connection->ssl_data); |
| connection->ssl_data = NULL; |
| |
| debug_info("SSL mode disabled"); |
| |
| return IDEVICE_E_SUCCESS; |
| } |
| |