| /* |
| * libusbmuxd.c |
| * |
| * Copyright (C) 2009-2014 Martin Szulecki <m.szulecki@libimobiledevice.org> |
| * Copyright (C) 2009-2014 Nikias Bassen <nikias@gmx.li> |
| * Copyright (C) 2009 Paul Sladen <libiphone@paul.sladen.org> |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include <stdint.h> |
| #include <stdlib.h> |
| #include <errno.h> |
| #include <stdio.h> |
| #include <string.h> |
| |
| #ifdef HAVE_CONFIG_H |
| #include <config.h> |
| #endif |
| |
| #ifdef WIN32 |
| #define USBMUXD_API __declspec( dllexport ) |
| #else |
| #ifdef HAVE_FVISIBILITY |
| #define USBMUXD_API __attribute__((visibility("default"))) |
| #else |
| #define USBMUXD_API |
| #endif |
| #endif |
| |
| #ifdef WIN32 |
| #include <windows.h> |
| #include <winsock2.h> |
| #define sleep(x) Sleep(x*1000) |
| #ifndef EPROTO |
| #define EPROTO 134 |
| #endif |
| #ifndef EBADMSG |
| #define EBADMSG 104 |
| #endif |
| #else |
| #include <sys/socket.h> |
| #include <arpa/inet.h> |
| #include <pthread.h> |
| #endif |
| |
| #ifdef HAVE_INOTIFY |
| #include <sys/inotify.h> |
| #define EVENT_SIZE (sizeof (struct inotify_event)) |
| #define EVENT_BUF_LEN (1024 * (EVENT_SIZE + 16)) |
| #define USBMUXD_DIRNAME "/var/run" |
| #define USBMUXD_SOCKET_NAME "usbmuxd" |
| #endif /* HAVE_INOTIFY */ |
| |
| #include <unistd.h> |
| #include <signal.h> |
| |
| #include <plist/plist.h> |
| #define PLIST_BUNDLE_ID "org.libimobiledevice.usbmuxd" |
| #define PLIST_CLIENT_VERSION_STRING "usbmuxd built for freedom" |
| #define PLIST_PROGNAME "libusbmuxd" |
| #define PLIST_LIBUSBMUX_VERSION 3 |
| |
| // usbmuxd public interface |
| #include "usbmuxd.h" |
| // usbmuxd protocol |
| #include "usbmuxd-proto.h" |
| // socket utility functions |
| #include "socket.h" |
| // misc utility functions |
| #include "collection.h" |
| |
| static int libusbmuxd_debug = 0; |
| #define DEBUG(x, y, ...) if (x <= libusbmuxd_debug) fprintf(stderr, (y), __VA_ARGS__); fflush(stderr); |
| |
| static struct collection devices; |
| static usbmuxd_event_cb_t event_cb = NULL; |
| #ifdef WIN32 |
| HANDLE devmon = NULL; |
| #else |
| pthread_t devmon; |
| #endif |
| static int listenfd = -1; |
| |
| static volatile int use_tag = 0; |
| static volatile int proto_version = 1; |
| static volatile int try_list_devices = 1; |
| |
| /** |
| * Finds a device info record by its handle. |
| * if the record is not found, NULL is returned. |
| */ |
| static usbmuxd_device_info_t *devices_find(uint32_t handle) |
| { |
| FOREACH(usbmuxd_device_info_t *dev, &devices) { |
| if (dev && dev->handle == handle) { |
| return dev; |
| } |
| } ENDFOREACH |
| return NULL; |
| } |
| |
| /** |
| * Creates a socket connection to usbmuxd. |
| * For Mac/Linux it is a unix domain socket, |
| * for Windows it is a tcp socket. |
| */ |
| static int connect_usbmuxd_socket() |
| { |
| #if defined(WIN32) || defined(__CYGWIN__) |
| return socket_connect("127.0.0.1", USBMUXD_SOCKET_PORT); |
| #else |
| return socket_connect_unix(USBMUXD_SOCKET_FILE); |
| #endif |
| } |
| |
| static struct usbmuxd_device_record* device_record_from_plist(plist_t props) |
| { |
| struct usbmuxd_device_record* dev = NULL; |
| plist_t n = NULL; |
| uint64_t val = 0; |
| char *strval = NULL; |
| |
| dev = (struct usbmuxd_device_record*)malloc(sizeof(struct usbmuxd_device_record)); |
| if (!dev) |
| return NULL; |
| memset(dev, 0, sizeof(struct usbmuxd_device_record)); |
| |
| n = plist_dict_get_item(props, "DeviceID"); |
| if (n && plist_get_node_type(n) == PLIST_UINT) { |
| plist_get_uint_val(n, &val); |
| dev->device_id = (uint32_t)val; |
| } |
| |
| n = plist_dict_get_item(props, "ProductID"); |
| if (n && plist_get_node_type(n) == PLIST_UINT) { |
| plist_get_uint_val(n, &val); |
| dev->product_id = (uint32_t)val; |
| } |
| |
| n = plist_dict_get_item(props, "SerialNumber"); |
| if (n && plist_get_node_type(n) == PLIST_STRING) { |
| plist_get_string_val(n, &strval); |
| if (strval) { |
| strncpy(dev->serial_number, strval, 255); |
| free(strval); |
| } |
| } |
| n = plist_dict_get_item(props, "LocationID"); |
| if (n && plist_get_node_type(n) == PLIST_UINT) { |
| plist_get_uint_val(n, &val); |
| dev->location = (uint32_t)val; |
| } |
| |
| return dev; |
| } |
| |
| static int receive_packet(int sfd, struct usbmuxd_header *header, void **payload, int timeout) |
| { |
| int recv_len; |
| struct usbmuxd_header hdr; |
| char *payload_loc = NULL; |
| |
| header->length = 0; |
| header->version = 0; |
| header->message = 0; |
| header->tag = 0; |
| |
| recv_len = socket_receive_timeout(sfd, &hdr, sizeof(hdr), 0, timeout); |
| if (recv_len < 0) { |
| return recv_len; |
| } else if ((size_t)recv_len < sizeof(hdr)) { |
| return recv_len; |
| } |
| |
| uint32_t payload_size = hdr.length - sizeof(hdr); |
| if (payload_size > 0) { |
| payload_loc = (char*)malloc(payload_size); |
| uint32_t rsize = 0; |
| do { |
| int res = socket_receive_timeout(sfd, payload_loc + rsize, payload_size - rsize, 0, 5000); |
| if (res < 0) { |
| break; |
| } |
| rsize += res; |
| } while (rsize < payload_size); |
| if (rsize != payload_size) { |
| DEBUG(1, "%s: Error receiving payload of size %d (bytes received: %d)\n", __func__, payload_size, rsize); |
| free(payload_loc); |
| return -EBADMSG; |
| } |
| } |
| |
| if (hdr.message == MESSAGE_PLIST) { |
| char *message = NULL; |
| plist_t plist = NULL; |
| plist_from_xml(payload_loc, payload_size, &plist); |
| free(payload_loc); |
| |
| if (!plist) { |
| DEBUG(1, "%s: Error getting plist from payload!\n", __func__); |
| return -EBADMSG; |
| } |
| |
| plist_t node = plist_dict_get_item(plist, "MessageType"); |
| if (!node || plist_get_node_type(node) != PLIST_STRING) { |
| *payload = plist; |
| hdr.length = sizeof(hdr); |
| memcpy(header, &hdr, sizeof(hdr)); |
| return hdr.length; |
| } |
| |
| plist_get_string_val(node, &message); |
| if (message) { |
| uint64_t val = 0; |
| if (strcmp(message, "Result") == 0) { |
| /* result message */ |
| uint32_t dwval = 0; |
| plist_t n = plist_dict_get_item(plist, "Number"); |
| plist_get_uint_val(n, &val); |
| *payload = malloc(sizeof(uint32_t)); |
| dwval = val; |
| memcpy(*payload, &dwval, sizeof(dwval)); |
| hdr.length = sizeof(hdr) + sizeof(dwval); |
| hdr.message = MESSAGE_RESULT; |
| } else if (strcmp(message, "Attached") == 0) { |
| /* device add message */ |
| struct usbmuxd_device_record *dev = NULL; |
| plist_t props = plist_dict_get_item(plist, "Properties"); |
| if (!props) { |
| DEBUG(1, "%s: Could not get properties for message '%s' from plist!\n", __func__, message); |
| free(message); |
| plist_free(plist); |
| return -EBADMSG; |
| } |
| |
| dev = device_record_from_plist(props); |
| if (!dev) { |
| DEBUG(1, "%s: Could not create device record object from properties!\n", __func__); |
| free(message); |
| plist_free(plist); |
| return -EBADMSG; |
| } |
| *payload = (void*)dev; |
| hdr.length = sizeof(hdr) + sizeof(struct usbmuxd_device_record); |
| hdr.message = MESSAGE_DEVICE_ADD; |
| } else if (strcmp(message, "Detached") == 0) { |
| /* device remove message */ |
| uint32_t dwval = 0; |
| plist_t n = plist_dict_get_item(plist, "DeviceID"); |
| if (n) { |
| plist_get_uint_val(n, &val); |
| *payload = malloc(sizeof(uint32_t)); |
| dwval = val; |
| memcpy(*payload, &dwval, sizeof(dwval)); |
| hdr.length = sizeof(hdr) + sizeof(dwval); |
| hdr.message = MESSAGE_DEVICE_REMOVE; |
| } |
| } else { |
| DEBUG(1, "%s: Unexpected message '%s' in plist!\n", __func__, message); |
| free(message); |
| plist_free(plist); |
| return -EBADMSG; |
| } |
| free(message); |
| } |
| plist_free(plist); |
| } else { |
| *payload = payload_loc; |
| } |
| |
| memcpy(header, &hdr, sizeof(hdr)); |
| |
| return hdr.length; |
| } |
| |
| /** |
| * Retrieves the result code to a previously sent request. |
| */ |
| static int usbmuxd_get_result(int sfd, uint32_t tag, uint32_t *result, void **result_plist) |
| { |
| struct usbmuxd_header hdr; |
| int recv_len; |
| uint32_t *res = NULL; |
| |
| if (!result) { |
| return -EINVAL; |
| } |
| *result = -1; |
| if (result_plist) { |
| *result_plist = NULL; |
| } |
| |
| if ((recv_len = receive_packet(sfd, &hdr, (void**)&res, 5000)) < 0) { |
| DEBUG(1, "%s: Error receiving packet: %d\n", __func__, recv_len); |
| if (res) |
| free(res); |
| return recv_len; |
| } |
| if ((size_t)recv_len < sizeof(hdr)) { |
| DEBUG(1, "%s: Received packet is too small!\n", __func__); |
| if (res) |
| free(res); |
| return -EPROTO; |
| } |
| |
| if (hdr.message == MESSAGE_RESULT) { |
| int ret = 0; |
| if (hdr.tag != tag) { |
| DEBUG(1, "%s: WARNING: tag mismatch (%d != %d). Proceeding anyway.\n", __func__, hdr.tag, tag); |
| } |
| if (res) { |
| memcpy(result, res, sizeof(uint32_t)); |
| ret = 1; |
| } |
| if (res) |
| free(res); |
| return ret; |
| } else if (hdr.message == MESSAGE_PLIST) { |
| if (!result_plist) { |
| DEBUG(1, "%s: MESSAGE_PLIST result but result_plist pointer is NULL!\n", __func__); |
| return -1; |
| } |
| *result_plist = (plist_t)res; |
| *result = RESULT_OK; |
| return 1; |
| } |
| |
| DEBUG(1, "%s: Unexpected message of type %d received!\n", __func__, hdr.message); |
| if (res) |
| free(res); |
| return -EPROTO; |
| } |
| |
| static int send_packet(int sfd, uint32_t message, uint32_t tag, void *payload, uint32_t payload_size) |
| { |
| struct usbmuxd_header header; |
| |
| header.length = sizeof(struct usbmuxd_header); |
| header.version = proto_version; |
| header.message = message; |
| header.tag = tag; |
| if (payload && (payload_size > 0)) { |
| header.length += payload_size; |
| } |
| int sent = socket_send(sfd, &header, sizeof(header)); |
| if (sent != sizeof(header)) { |
| DEBUG(1, "%s: ERROR: could not send packet header\n", __func__); |
| return -1; |
| } |
| if (payload && (payload_size > 0)) { |
| uint32_t ssize = 0; |
| do { |
| int res = socket_send(sfd, (char*)payload + ssize, payload_size - ssize); |
| if (res < 0) { |
| break; |
| } |
| ssize += res; |
| } while (ssize < payload_size); |
| sent += ssize; |
| } |
| if (sent != (int)header.length) { |
| DEBUG(1, "%s: ERROR: could not send whole packet (sent %d of %d)\n", __func__, sent, header.length); |
| socket_close(sfd); |
| return -1; |
| } |
| return sent; |
| } |
| |
| static int send_plist_packet(int sfd, uint32_t tag, plist_t message) |
| { |
| int res; |
| char *payload = NULL; |
| uint32_t payload_size = 0; |
| |
| plist_to_xml(message, &payload, &payload_size); |
| res = send_packet(sfd, MESSAGE_PLIST, tag, payload, payload_size); |
| free(payload); |
| |
| return res; |
| } |
| |
| static plist_t create_plist_message(const char* message_type) |
| { |
| plist_t plist = plist_new_dict(); |
| plist_dict_set_item(plist, "BundleID", plist_new_string(PLIST_BUNDLE_ID)); |
| plist_dict_set_item(plist, "ClientVersionString", plist_new_string(PLIST_CLIENT_VERSION_STRING)); |
| plist_dict_set_item(plist, "MessageType", plist_new_string(message_type)); |
| plist_dict_set_item(plist, "ProgName", plist_new_string(PLIST_PROGNAME)); |
| plist_dict_set_item(plist, "kLibUSBMuxVersion", plist_new_uint(PLIST_LIBUSBMUX_VERSION)); |
| return plist; |
| } |
| |
| static int send_listen_packet(int sfd, uint32_t tag) |
| { |
| int res = 0; |
| if (proto_version == 1) { |
| /* construct message plist */ |
| plist_t plist = create_plist_message("Listen"); |
| |
| res = send_plist_packet(sfd, tag, plist); |
| plist_free(plist); |
| } else { |
| /* binary packet */ |
| res = send_packet(sfd, MESSAGE_LISTEN, tag, NULL, 0); |
| } |
| return res; |
| } |
| |
| static int send_connect_packet(int sfd, uint32_t tag, uint32_t device_id, uint16_t port) |
| { |
| int res = 0; |
| if (proto_version == 1) { |
| /* construct message plist */ |
| plist_t plist = create_plist_message("Connect"); |
| plist_dict_set_item(plist, "DeviceID", plist_new_uint(device_id)); |
| plist_dict_set_item(plist, "PortNumber", plist_new_uint(htons(port))); |
| |
| res = send_plist_packet(sfd, tag, plist); |
| plist_free(plist); |
| } else { |
| /* binary packet */ |
| struct { |
| uint32_t device_id; |
| uint16_t port; |
| uint16_t reserved; |
| } conninfo; |
| |
| conninfo.device_id = device_id; |
| conninfo.port = htons(port); |
| conninfo.reserved = 0; |
| |
| res = send_packet(sfd, MESSAGE_CONNECT, tag, &conninfo, sizeof(conninfo)); |
| } |
| return res; |
| } |
| |
| static int send_list_devices_packet(int sfd, uint32_t tag) |
| { |
| int res = -1; |
| |
| /* construct message plist */ |
| plist_t plist = create_plist_message("ListDevices"); |
| |
| res = send_plist_packet(sfd, tag, plist); |
| plist_free(plist); |
| |
| return res; |
| } |
| |
| static int send_read_buid_packet(int sfd, uint32_t tag) |
| { |
| int res = -1; |
| |
| /* construct message plist */ |
| plist_t plist = create_plist_message("ReadBUID"); |
| |
| res = send_plist_packet(sfd, tag, plist); |
| plist_free(plist); |
| |
| return res; |
| } |
| |
| static int send_pair_record_packet(int sfd, uint32_t tag, const char* msgtype, const char* pair_record_id, plist_t data) |
| { |
| int res = -1; |
| |
| /* construct message plist */ |
| plist_t plist = create_plist_message(msgtype); |
| plist_dict_set_item(plist, "PairRecordID", plist_new_string(pair_record_id)); |
| if (data) { |
| plist_dict_set_item(plist, "PairRecordData", plist_copy(data)); |
| } |
| |
| res = send_plist_packet(sfd, tag, plist); |
| plist_free(plist); |
| |
| return res; |
| } |
| |
| /** |
| * Generates an event, i.e. calls the callback function. |
| * A reference to a populated usbmuxd_event_t with information about the event |
| * and the corresponding device will be passed to the callback function. |
| */ |
| static void generate_event(usbmuxd_event_cb_t callback, const usbmuxd_device_info_t *dev, enum usbmuxd_event_type event, void *user_data) |
| { |
| usbmuxd_event_t ev; |
| |
| if (!callback || !dev) { |
| return; |
| } |
| |
| ev.event = event; |
| memcpy(&ev.device, dev, sizeof(usbmuxd_device_info_t)); |
| |
| callback(&ev, user_data); |
| } |
| |
| static int usbmuxd_listen_poll() |
| { |
| int sfd; |
| |
| sfd = connect_usbmuxd_socket(); |
| if (sfd < 0) { |
| while (event_cb) { |
| if ((sfd = connect_usbmuxd_socket()) >= 0) { |
| break; |
| } |
| sleep(1); |
| } |
| } |
| |
| return sfd; |
| } |
| |
| #ifdef HAVE_INOTIFY |
| static int use_inotify = 1; |
| |
| static int usbmuxd_listen_inotify() |
| { |
| int inot_fd; |
| int watch_d; |
| int sfd; |
| |
| if (!use_inotify) { |
| return -2; |
| } |
| |
| sfd = connect_usbmuxd_socket(); |
| if (sfd >= 0) |
| return sfd; |
| |
| sfd = -1; |
| inot_fd = inotify_init (); |
| if (inot_fd < 0) { |
| DEBUG(1, "%s: Failed to setup inotify\n", __func__); |
| return -2; |
| } |
| |
| /* inotify is setup, listen for events that concern us */ |
| watch_d = inotify_add_watch (inot_fd, USBMUXD_DIRNAME, IN_CREATE); |
| if (watch_d < 0) { |
| DEBUG(1, "%s: Failed to setup watch descriptor for socket dir\n", __func__); |
| close (inot_fd); |
| return -2; |
| } |
| |
| while (1) { |
| ssize_t len, i; |
| char buff[EVENT_BUF_LEN] = {0}; |
| |
| i = 0; |
| len = read (inot_fd, buff, EVENT_BUF_LEN -1); |
| if (len < 0) |
| goto end; |
| while (i < len) { |
| struct inotify_event *pevent = (struct inotify_event *) & buff[i]; |
| |
| /* check that it's ours */ |
| if (pevent->mask & IN_CREATE && |
| pevent->len && |
| pevent->name[0] != 0 && |
| strcmp(pevent->name, USBMUXD_SOCKET_NAME) == 0) { |
| /* retry if usbmuxd isn't ready yet */ |
| int retry = 10; |
| while (--retry >= 0) { |
| if ((sfd = connect_usbmuxd_socket ()) >= 0) { |
| break; |
| } |
| sleep(1); |
| } |
| goto end; |
| } |
| i += EVENT_SIZE + pevent->len; |
| } |
| } |
| |
| end: |
| inotify_rm_watch(inot_fd, watch_d); |
| close(inot_fd); |
| |
| return sfd; |
| } |
| #endif /* HAVE_INOTIFY */ |
| |
| /** |
| * Tries to connect to usbmuxd and wait if it is not running. |
| */ |
| static int usbmuxd_listen() |
| { |
| int sfd; |
| uint32_t res = -1; |
| int tag; |
| |
| retry: |
| |
| #ifdef HAVE_INOTIFY |
| sfd = usbmuxd_listen_inotify(); |
| if (sfd == -2) |
| sfd = usbmuxd_listen_poll(); |
| #else |
| sfd = usbmuxd_listen_poll(); |
| #endif |
| |
| if (sfd < 0) { |
| DEBUG(1, "%s: ERROR: usbmuxd was supposed to be running here...\n", __func__); |
| return sfd; |
| } |
| |
| tag = ++use_tag; |
| if (send_listen_packet(sfd, tag) <= 0) { |
| DEBUG(1, "%s: ERROR: could not send listen packet\n", __func__); |
| socket_close(sfd); |
| return -1; |
| } |
| if ((usbmuxd_get_result(sfd, tag, &res, NULL) == 1) && (res != 0)) { |
| socket_close(sfd); |
| if ((res == RESULT_BADVERSION) && (proto_version == 1)) { |
| proto_version = 0; |
| goto retry; |
| } |
| DEBUG(1, "%s: ERROR: did not get OK but %d\n", __func__, res); |
| return -1; |
| } |
| return sfd; |
| } |
| |
| /** |
| * Waits for an event to occur, i.e. a packet coming from usbmuxd. |
| * Calls generate_event to pass the event via callback to the client program. |
| */ |
| static int get_next_event(int sfd, usbmuxd_event_cb_t callback, void *user_data) |
| { |
| struct usbmuxd_header hdr; |
| void *payload = NULL; |
| |
| /* block until we receive something */ |
| if (receive_packet(sfd, &hdr, &payload, 0) < 0) { |
| // when then usbmuxd connection fails, |
| // generate remove events for every device that |
| // is still present so applications know about it |
| FOREACH(usbmuxd_device_info_t *dev, &devices) { |
| generate_event(callback, dev, UE_DEVICE_REMOVE, user_data); |
| collection_remove(&devices, dev); |
| free(dev); |
| } ENDFOREACH |
| return -EIO; |
| } |
| |
| if ((hdr.length > sizeof(hdr)) && !payload) { |
| DEBUG(1, "%s: Invalid packet received, payload is missing!\n", __func__); |
| return -EBADMSG; |
| } |
| |
| if (hdr.message == MESSAGE_DEVICE_ADD) { |
| struct usbmuxd_device_record *dev = payload; |
| usbmuxd_device_info_t *devinfo = (usbmuxd_device_info_t*)malloc(sizeof(usbmuxd_device_info_t)); |
| if (!devinfo) { |
| DEBUG(1, "%s: Out of memory!\n", __func__); |
| free(payload); |
| return -1; |
| } |
| |
| devinfo->handle = dev->device_id; |
| devinfo->product_id = dev->product_id; |
| memset(devinfo->udid, '\0', sizeof(devinfo->udid)); |
| memcpy(devinfo->udid, dev->serial_number, sizeof(devinfo->udid)); |
| |
| if (strcasecmp(devinfo->udid, "ffffffffffffffffffffffffffffffffffffffff") == 0) { |
| sprintf(devinfo->udid + 32, "%08x", devinfo->handle); |
| } |
| |
| collection_add(&devices, devinfo); |
| generate_event(callback, devinfo, UE_DEVICE_ADD, user_data); |
| } else if (hdr.message == MESSAGE_DEVICE_REMOVE) { |
| uint32_t handle; |
| usbmuxd_device_info_t *devinfo; |
| |
| memcpy(&handle, payload, sizeof(uint32_t)); |
| |
| devinfo = devices_find(handle); |
| if (!devinfo) { |
| DEBUG(1, "%s: WARNING: got device remove message for handle %d, but couldn't find the corresponding handle in the device list. This event will be ignored.\n", __func__, handle); |
| } else { |
| generate_event(callback, devinfo, UE_DEVICE_REMOVE, user_data); |
| collection_remove(&devices, devinfo); |
| free(devinfo); |
| } |
| } else if (hdr.length > 0) { |
| DEBUG(1, "%s: Unexpected message type %d length %d received!\n", __func__, hdr.message, hdr.length); |
| } |
| if (payload) { |
| free(payload); |
| } |
| return 0; |
| } |
| |
| static void device_monitor_cleanup(void* data) |
| { |
| FOREACH(usbmuxd_device_info_t *dev, &devices) { |
| collection_remove(&devices, dev); |
| free(dev); |
| } ENDFOREACH |
| collection_free(&devices); |
| |
| socket_close(listenfd); |
| listenfd = -1; |
| } |
| |
| /** |
| * Device Monitor thread function. |
| * |
| * This function sets up a connection to usbmuxd |
| */ |
| static void *device_monitor(void *data) |
| { |
| collection_init(&devices); |
| |
| #ifndef WIN32 |
| pthread_cleanup_push(device_monitor_cleanup, NULL); |
| #endif |
| while (event_cb) { |
| |
| listenfd = usbmuxd_listen(); |
| if (listenfd < 0) { |
| continue; |
| } |
| |
| while (event_cb) { |
| int res = get_next_event(listenfd, event_cb, data); |
| if (res < 0) { |
| break; |
| } |
| } |
| } |
| |
| #ifndef WIN32 |
| pthread_cleanup_pop(1); |
| #else |
| device_monitor_cleanup(NULL); |
| #endif |
| return NULL; |
| } |
| |
| USBMUXD_API int usbmuxd_subscribe(usbmuxd_event_cb_t callback, void *user_data) |
| { |
| int res; |
| |
| if (!callback) { |
| return -EINVAL; |
| } |
| event_cb = callback; |
| |
| #ifdef WIN32 |
| res = 0; |
| devmon = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)device_monitor, user_data, 0, NULL); |
| if (devmon == NULL) { |
| res = GetLastError(); |
| } |
| #else |
| res = pthread_create(&devmon, NULL, device_monitor, user_data); |
| #endif |
| if (res != 0) { |
| DEBUG(1, "%s: ERROR: Could not start device watcher thread!\n", __func__); |
| return res; |
| } |
| return 0; |
| } |
| |
| USBMUXD_API int usbmuxd_unsubscribe() |
| { |
| event_cb = NULL; |
| |
| socket_shutdown(listenfd, SHUT_RDWR); |
| |
| #ifdef WIN32 |
| if (devmon != NULL) { |
| WaitForSingleObject(devmon, INFINITE); |
| } |
| #else |
| if (pthread_kill(devmon, 0) == 0) { |
| pthread_cancel(devmon); |
| pthread_join(devmon, NULL); |
| } |
| #endif |
| |
| return 0; |
| } |
| |
| static usbmuxd_device_info_t *device_info_from_device_record(struct usbmuxd_device_record *dev) |
| { |
| if (!dev) { |
| return NULL; |
| } |
| usbmuxd_device_info_t *devinfo = (usbmuxd_device_info_t*)malloc(sizeof(usbmuxd_device_info_t)); |
| if (!devinfo) { |
| DEBUG(1, "%s: Out of memory!\n", __func__); |
| return NULL; |
| } |
| |
| devinfo->handle = dev->device_id; |
| devinfo->product_id = dev->product_id; |
| memset(devinfo->udid, '\0', sizeof(devinfo->udid)); |
| memcpy(devinfo->udid, dev->serial_number, sizeof(devinfo->udid)); |
| |
| if (strcasecmp(devinfo->udid, "ffffffffffffffffffffffffffffffffffffffff") == 0) { |
| sprintf(devinfo->udid + 32, "%08x", devinfo->handle); |
| } |
| |
| return devinfo; |
| } |
| |
| USBMUXD_API int usbmuxd_get_device_list(usbmuxd_device_info_t **device_list) |
| { |
| int sfd; |
| int tag; |
| int listen_success = 0; |
| uint32_t res; |
| struct collection tmpdevs; |
| usbmuxd_device_info_t *newlist = NULL; |
| struct usbmuxd_header hdr; |
| struct usbmuxd_device_record *dev; |
| int dev_cnt = 0; |
| void *payload = NULL; |
| |
| *device_list = NULL; |
| |
| retry: |
| sfd = connect_usbmuxd_socket(); |
| if (sfd < 0) { |
| DEBUG(1, "%s: error opening socket!\n", __func__); |
| return sfd; |
| } |
| |
| tag = ++use_tag; |
| if ((proto_version == 1) && (try_list_devices)) { |
| if (send_list_devices_packet(sfd, tag) > 0) { |
| plist_t list = NULL; |
| if ((usbmuxd_get_result(sfd, tag, &res, &list) == 1) && (res == 0)) { |
| plist_t devlist = plist_dict_get_item(list, "DeviceList"); |
| if (devlist && plist_get_node_type(devlist) == PLIST_ARRAY) { |
| collection_init(&tmpdevs); |
| uint32_t numdevs = plist_array_get_size(devlist); |
| uint32_t i; |
| for (i = 0; i < numdevs; i++) { |
| plist_t pdev = plist_array_get_item(devlist, i); |
| plist_t props = plist_dict_get_item(pdev, "Properties"); |
| dev = device_record_from_plist(props); |
| usbmuxd_device_info_t *devinfo = device_info_from_device_record(dev); |
| free(dev); |
| if (!devinfo) { |
| socket_close(sfd); |
| DEBUG(1, "%s: can't create device info object\n", __func__); |
| plist_free(list); |
| return -1; |
| } |
| collection_add(&tmpdevs, devinfo); |
| } |
| plist_free(list); |
| goto got_device_list; |
| } |
| } else { |
| if (res == RESULT_BADVERSION) { |
| proto_version = 0; |
| } |
| socket_close(sfd); |
| try_list_devices = 0; |
| plist_free(list); |
| goto retry; |
| } |
| plist_free(list); |
| } |
| } |
| |
| tag = ++use_tag; |
| if (send_listen_packet(sfd, tag) > 0) { |
| res = -1; |
| // get response |
| if ((usbmuxd_get_result(sfd, tag, &res, NULL) == 1) && (res == 0)) { |
| listen_success = 1; |
| } else { |
| socket_close(sfd); |
| if ((res == RESULT_BADVERSION) && (proto_version == 1)) { |
| proto_version = 0; |
| goto retry; |
| } |
| DEBUG(1, "%s: Did not get response to scan request (with result=0)...\n", __func__); |
| return res; |
| } |
| } |
| |
| if (!listen_success) { |
| socket_close(sfd); |
| DEBUG(1, "%s: Could not send listen request!\n", __func__); |
| return -1; |
| } |
| |
| collection_init(&tmpdevs); |
| |
| // receive device list |
| while (1) { |
| if (receive_packet(sfd, &hdr, &payload, 100) > 0) { |
| if (hdr.message == MESSAGE_DEVICE_ADD) { |
| dev = payload; |
| |
| usbmuxd_device_info_t *devinfo = device_info_from_device_record(dev); |
| if (!devinfo) { |
| socket_close(sfd); |
| DEBUG(1, "%s: can't create device info object\n", __func__); |
| free(payload); |
| return -1; |
| } |
| collection_add(&tmpdevs, devinfo); |
| |
| } else if (hdr.message == MESSAGE_DEVICE_REMOVE) { |
| uint32_t handle; |
| usbmuxd_device_info_t *devinfo = NULL; |
| |
| memcpy(&handle, payload, sizeof(uint32_t)); |
| |
| FOREACH(usbmuxd_device_info_t *di, &tmpdevs) { |
| if (di && di->handle == handle) { |
| devinfo = di; |
| break; |
| } |
| } ENDFOREACH |
| if (devinfo) { |
| collection_remove(&tmpdevs, devinfo); |
| free(devinfo); |
| } |
| } else { |
| DEBUG(1, "%s: Unexpected message %d\n", __func__, hdr.message); |
| } |
| if (payload) |
| free(payload); |
| } else { |
| // we _should_ have all of them now. |
| // or perhaps an error occured. |
| break; |
| } |
| } |
| |
| got_device_list: |
| |
| // explicitly close connection |
| socket_close(sfd); |
| |
| // create copy of device info entries from collection |
| newlist = (usbmuxd_device_info_t*)malloc(sizeof(usbmuxd_device_info_t) * (collection_count(&tmpdevs) + 1)); |
| dev_cnt = 0; |
| FOREACH(usbmuxd_device_info_t *di, &tmpdevs) { |
| if (di) { |
| memcpy(&newlist[dev_cnt], di, sizeof(usbmuxd_device_info_t)); |
| free(di); |
| dev_cnt++; |
| } |
| } ENDFOREACH |
| collection_free(&tmpdevs); |
| |
| memset(&newlist[dev_cnt], 0, sizeof(usbmuxd_device_info_t)); |
| *device_list = newlist; |
| |
| return dev_cnt; |
| } |
| |
| USBMUXD_API int usbmuxd_device_list_free(usbmuxd_device_info_t **device_list) |
| { |
| if (device_list) { |
| free(*device_list); |
| } |
| return 0; |
| } |
| |
| USBMUXD_API int usbmuxd_get_device_by_udid(const char *udid, usbmuxd_device_info_t *device) |
| { |
| usbmuxd_device_info_t *dev_list = NULL; |
| |
| if (!device) { |
| return -EINVAL; |
| } |
| if (usbmuxd_get_device_list(&dev_list) < 0) { |
| return -ENODEV; |
| } |
| |
| int i; |
| int result = 0; |
| for (i = 0; dev_list[i].handle > 0; i++) { |
| if (!udid) { |
| device->handle = dev_list[i].handle; |
| device->product_id = dev_list[i].product_id; |
| strcpy(device->udid, dev_list[i].udid); |
| result = 1; |
| break; |
| } |
| if (!strcmp(udid, dev_list[i].udid)) { |
| device->handle = dev_list[i].handle; |
| device->product_id = dev_list[i].product_id; |
| strcpy(device->udid, dev_list[i].udid); |
| result = 1; |
| break; |
| } |
| } |
| |
| free(dev_list); |
| |
| return result; |
| } |
| |
| USBMUXD_API int usbmuxd_connect(const int handle, const unsigned short port) |
| { |
| int sfd; |
| int tag; |
| int connected = 0; |
| uint32_t res = -1; |
| |
| retry: |
| sfd = connect_usbmuxd_socket(); |
| if (sfd < 0) { |
| DEBUG(1, "%s: Error: Connection to usbmuxd failed: %s\n", |
| __func__, strerror(errno)); |
| return sfd; |
| } |
| |
| tag = ++use_tag; |
| if (send_connect_packet(sfd, tag, (uint32_t)handle, (uint16_t)port) <= 0) { |
| DEBUG(1, "%s: Error sending connect message!\n", __func__); |
| } else { |
| // read ACK |
| DEBUG(2, "%s: Reading connect result...\n", __func__); |
| if (usbmuxd_get_result(sfd, tag, &res, NULL) == 1) { |
| if (res == 0) { |
| DEBUG(2, "%s: Connect success!\n", __func__); |
| connected = 1; |
| } else { |
| if ((res == RESULT_BADVERSION) && (proto_version == 1)) { |
| proto_version = 0; |
| socket_close(sfd); |
| goto retry; |
| } |
| DEBUG(1, "%s: Connect failed, Error code=%d\n", __func__, res); |
| } |
| } |
| } |
| |
| if (connected) { |
| return sfd; |
| } |
| |
| socket_close(sfd); |
| |
| return -1; |
| } |
| |
| USBMUXD_API int usbmuxd_disconnect(int sfd) |
| { |
| return socket_close(sfd); |
| } |
| |
| USBMUXD_API int usbmuxd_send(int sfd, const char *data, uint32_t len, uint32_t *sent_bytes) |
| { |
| int num_sent; |
| |
| if (sfd < 0) { |
| return -EINVAL; |
| } |
| |
| num_sent = socket_send(sfd, (void*)data, len); |
| if (num_sent < 0) { |
| *sent_bytes = 0; |
| num_sent = errno; |
| DEBUG(1, "%s: Error %d when sending: %s\n", __func__, num_sent, strerror(num_sent)); |
| return -num_sent; |
| } else if ((uint32_t)num_sent < len) { |
| DEBUG(1, "%s: Warning: Did not send enough (only %d of %d)\n", __func__, num_sent, len); |
| } |
| |
| *sent_bytes = num_sent; |
| |
| return 0; |
| } |
| |
| USBMUXD_API int usbmuxd_recv_timeout(int sfd, char *data, uint32_t len, uint32_t *recv_bytes, unsigned int timeout) |
| { |
| int num_recv = socket_receive_timeout(sfd, (void*)data, len, 0, timeout); |
| if (num_recv < 0) { |
| *recv_bytes = 0; |
| return num_recv; |
| } |
| |
| *recv_bytes = num_recv; |
| |
| return 0; |
| } |
| |
| USBMUXD_API int usbmuxd_recv(int sfd, char *data, uint32_t len, uint32_t *recv_bytes) |
| { |
| return usbmuxd_recv_timeout(sfd, data, len, recv_bytes, 5000); |
| } |
| |
| USBMUXD_API int usbmuxd_read_buid(char **buid) |
| { |
| int sfd; |
| int tag; |
| int ret = -1; |
| |
| if (!buid) { |
| return -EINVAL; |
| } |
| *buid = NULL; |
| |
| sfd = connect_usbmuxd_socket(); |
| if (sfd < 0) { |
| DEBUG(1, "%s: Error: Connection to usbmuxd failed: %s\n", __func__, strerror(errno)); |
| return sfd; |
| } |
| |
| proto_version = 1; |
| tag = ++use_tag; |
| if (send_read_buid_packet(sfd, tag) <= 0) { |
| DEBUG(1, "%s: Error sending ReadBUID message!\n", __func__); |
| } else { |
| uint32_t rc = 0; |
| plist_t pl = NULL; |
| ret = usbmuxd_get_result(sfd, tag, &rc, &pl); |
| if ((ret == 1) && (rc == 0)) { |
| plist_t node = plist_dict_get_item(pl, "BUID"); |
| if (node && plist_get_node_type(node) == PLIST_STRING) { |
| plist_get_string_val(node, buid); |
| } |
| ret = 0; |
| } else if (ret == 1) { |
| ret = -(int)rc; |
| } |
| plist_free(pl); |
| } |
| socket_close(sfd); |
| |
| return ret; |
| } |
| |
| USBMUXD_API int usbmuxd_read_pair_record(const char* record_id, char **record_data, uint32_t *record_size) |
| { |
| int sfd; |
| int tag; |
| int ret = -1; |
| |
| if (!record_id || !record_data || !record_size) { |
| return -EINVAL; |
| } |
| *record_data = NULL; |
| *record_size = 0; |
| |
| sfd = connect_usbmuxd_socket(); |
| if (sfd < 0) { |
| DEBUG(1, "%s: Error: Connection to usbmuxd failed: %s\n", |
| __func__, strerror(errno)); |
| return sfd; |
| } |
| |
| proto_version = 1; |
| tag = ++use_tag; |
| |
| if (send_pair_record_packet(sfd, tag, "ReadPairRecord", record_id, NULL) <= 0) { |
| DEBUG(1, "%s: Error sending ReadPairRecord message!\n", __func__); |
| } else { |
| uint32_t rc = 0; |
| plist_t pl = NULL; |
| ret = usbmuxd_get_result(sfd, tag, &rc, &pl); |
| if ((ret == 1) && (rc == 0)) { |
| plist_t node = plist_dict_get_item(pl, "PairRecordData"); |
| if (node && plist_get_node_type(node) == PLIST_DATA) { |
| uint64_t int64val = 0; |
| plist_get_data_val(node, record_data, &int64val); |
| if (*record_data && int64val > 0) { |
| *record_size = (uint32_t)int64val; |
| ret = 0; |
| } |
| } |
| } else if (ret == 1) { |
| ret = -(int)rc; |
| } |
| plist_free(pl); |
| } |
| socket_close(sfd); |
| |
| return ret; |
| } |
| |
| USBMUXD_API int usbmuxd_save_pair_record(const char* record_id, const char *record_data, uint32_t record_size) |
| { |
| int sfd; |
| int tag; |
| int ret = -1; |
| |
| if (!record_id || !record_data || !record_size) { |
| return -EINVAL; |
| } |
| |
| sfd = connect_usbmuxd_socket(); |
| if (sfd < 0) { |
| DEBUG(1, "%s: Error: Connection to usbmuxd failed: %s\n", |
| __func__, strerror(errno)); |
| return sfd; |
| } |
| |
| proto_version = 1; |
| tag = ++use_tag; |
| |
| plist_t data = plist_new_data(record_data, record_size); |
| if (send_pair_record_packet(sfd, tag, "SavePairRecord", record_id, data) <= 0) { |
| DEBUG(1, "%s: Error sending SavePairRecord message!\n", __func__); |
| } else { |
| uint32_t rc = 0; |
| ret = usbmuxd_get_result(sfd, tag, &rc, NULL); |
| if ((ret == 1) && (rc == 0)) { |
| ret = 0; |
| } else if (ret == 1) { |
| ret = -(int)rc; |
| DEBUG(1, "%s: Error: saving pair record failed: %d\n", __func__, ret); |
| } |
| } |
| plist_free(data); |
| socket_close(sfd); |
| |
| return ret; |
| } |
| |
| USBMUXD_API int usbmuxd_delete_pair_record(const char* record_id) |
| { |
| int sfd; |
| int tag; |
| int ret = -1; |
| |
| if (!record_id) { |
| return -EINVAL; |
| } |
| |
| sfd = connect_usbmuxd_socket(); |
| if (sfd < 0) { |
| DEBUG(1, "%s: Error: Connection to usbmuxd failed: %s\n", |
| __func__, strerror(errno)); |
| return sfd; |
| } |
| |
| proto_version = 1; |
| tag = ++use_tag; |
| |
| if (send_pair_record_packet(sfd, tag, "DeletePairRecord", record_id, NULL) <= 0) { |
| DEBUG(1, "%s: Error sending DeletePairRecord message!\n", __func__); |
| } else { |
| uint32_t rc = 0; |
| ret = usbmuxd_get_result(sfd, tag, &rc, NULL); |
| if ((ret == 1) && (rc == 0)) { |
| ret = 0; |
| } else if (ret == 1) { |
| ret = -(int)rc; |
| DEBUG(1, "%s: Error: deleting pair record failed: %d\n", __func__, ret); |
| } |
| } |
| socket_close(sfd); |
| |
| return ret; |
| } |
| |
| USBMUXD_API void libusbmuxd_set_use_inotify(int set) |
| { |
| #ifdef HAVE_INOTIFY |
| use_inotify = set; |
| #endif |
| return; |
| } |
| |
| USBMUXD_API void libusbmuxd_set_debug_level(int level) |
| { |
| libusbmuxd_debug = level; |
| socket_set_verbose(level); |
| } |