diff options
Diffstat (limited to 'src/libusbmuxd.c')
| -rw-r--r-- | src/libusbmuxd.c | 248 |
1 files changed, 0 insertions, 248 deletions
diff --git a/src/libusbmuxd.c b/src/libusbmuxd.c deleted file mode 100644 index 4cd0a6d..0000000 --- a/src/libusbmuxd.c +++ /dev/null @@ -1,248 +0,0 @@ -#include <stdint.h> -#include <stdlib.h> -#include <errno.h> -#include <stdio.h> -#include <string.h> -#include <sys/socket.h> -#include <arpa/inet.h> -#include <unistd.h> - -// usbmuxd public interface -#include <usbmuxd.h> -// usbmuxd protocol -#include <usbmuxd-proto.h> -// socket utility functions -#include "sock_stuff.h" - -static int usbmuxd_get_result(int sfd, uint32_t tag, uint32_t * result) -{ - struct usbmuxd_result res; - int recv_len; - - if (!result) { - return -EINVAL; - } - - if ((recv_len = recv_buf(sfd, &res, sizeof(res))) <= 0) { - perror("recv"); - return -errno; - } else { - if ((recv_len == sizeof(res)) - && (res.header.length == (uint32_t) recv_len) - && (res.header.reserved == 0) - && (res.header.type == USBMUXD_RESULT) - ) { - *result = res.result; - if (res.header.tag == tag) { - return 1; - } else { - return 0; - } - } - } - - return -1; -} - -int usbmuxd_scan(usbmuxd_scan_result ** available_devices) -{ - struct usbmuxd_scan_request s_req; - int sfd; - int scan_success = 0; - uint32_t res; - uint32_t pktlen; - int recv_len; - usbmuxd_scan_result *newlist = NULL; - struct usbmuxd_device_info_record dev_info_pkt; - int dev_cnt = 0; - - sfd = connect_unix_socket(USBMUXD_SOCKET_FILE); - if (sfd < 0) { - fprintf(stderr, "%s: error opening socket!\n", __func__); - return sfd; - } - - s_req.header.length = sizeof(struct usbmuxd_scan_request); - s_req.header.reserved = 0; - s_req.header.type = USBMUXD_SCAN; - s_req.header.tag = 2; - - // send scan request packet - if (send_buf(sfd, &s_req, s_req.header.length) == - (int) s_req.header.length) { - res = -1; - // get response - if (usbmuxd_get_result(sfd, s_req.header.tag, &res) && (res == 0)) { - scan_success = 1; - } else { - fprintf(stderr, - "%s: Did not get response to scan request (with result=0)...\n", - __func__); - close(sfd); - return res; - } - } - - if (!scan_success) { - fprintf(stderr, "%s: Could not send scan request!\n", __func__); - return -1; - } - - *available_devices = NULL; - // receive device list - while (1) { - if (recv_buf_timeout(sfd, &pktlen, 4, MSG_PEEK, 1000) == 4) { - if (pktlen != sizeof(dev_info_pkt)) { - // invalid packet size received! - fprintf(stderr, - "%s: Invalid packet size (%d) received when expecting a device info record.\n", - __func__, pktlen); - break; - } - - recv_len = recv_buf(sfd, &dev_info_pkt, pktlen); - if (recv_len <= 0) { - fprintf(stderr, - "%s: Error when receiving device info record\n", - __func__); - break; - } else if ((uint32_t) recv_len < pktlen) { - fprintf(stderr, - "%s: received less data than specified in header!\n", - __func__); - } else { - //fprintf(stderr, "%s: got device record with id %d, UUID=%s\n", __func__, dev_info_pkt.device_info.device_id, dev_info_pkt.device_info.serial_number); - newlist = - (usbmuxd_scan_result *) realloc(*available_devices, - sizeof - (usbmuxd_scan_result) * - (dev_cnt + 1)); - if (newlist) { - newlist[dev_cnt].handle = - (int) dev_info_pkt.device.device_id; - newlist[dev_cnt].product_id = - dev_info_pkt.device.product_id; - memset(newlist[dev_cnt].serial_number, '\0', - sizeof(newlist[dev_cnt].serial_number)); - memcpy(newlist[dev_cnt].serial_number, - dev_info_pkt.device.serial_number, - sizeof(dev_info_pkt.device.serial_number)); - *available_devices = newlist; - dev_cnt++; - } else { - fprintf(stderr, - "%s: ERROR: out of memory when trying to realloc!\n", - __func__); - break; - } - } - } else { - // we _should_ have all of them now. - // or perhaps an error occured. - break; - } - } - - // terminating zero record - newlist = - (usbmuxd_scan_result *) realloc(*available_devices, - sizeof(usbmuxd_scan_result) * - (dev_cnt + 1)); - memset(newlist + dev_cnt, 0, sizeof(usbmuxd_scan_result)); - *available_devices = newlist; - - return dev_cnt; -} - -int usbmuxd_connect(const int handle, const unsigned short tcp_port) -{ - int sfd; - struct usbmuxd_connect_request c_req; - int connected = 0; - uint32_t res = -1; - - sfd = connect_unix_socket(USBMUXD_SOCKET_FILE); - if (sfd < 0) { - fprintf(stderr, "%s: Error: Connection to usbmuxd failed: %s\n", - __func__, strerror(errno)); - return sfd; - } - - c_req.header.length = sizeof(c_req); - c_req.header.reserved = 0; - c_req.header.type = USBMUXD_CONNECT; - c_req.header.tag = 3; - c_req.device_id = (uint32_t) handle; - c_req.tcp_dport = htons(tcp_port); - c_req.reserved = 0; - - if (send_buf(sfd, &c_req, sizeof(c_req)) < 0) { - perror("send"); - } else { - // read ACK - //fprintf(stderr, "%s: Reading connect result...\n", __func__); - if (usbmuxd_get_result(sfd, c_req.header.tag, &res)) { - if (res == 0) { - //fprintf(stderr, "%s: Connect success!\n", __func__); - connected = 1; - } else { - fprintf(stderr, "%s: Connect failed, Error code=%d\n", - __func__, res); - } - } - } - - if (connected) { - return sfd; - } - - close(sfd); - - return -1; -} - -int usbmuxd_disconnect(int sfd) -{ - return close(sfd); -} - -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 = send(sfd, (void*)data, len, 0); - if (num_sent < 0) { - *sent_bytes = 0; - fprintf(stderr, "%s: Error %d when sending: %s\n", __func__, num_sent, strerror(errno)); - return num_sent; - } else if ((uint32_t)num_sent < len) { - fprintf(stderr, "%s: Warning: Did not send enough (only %d of %d)\n", __func__, num_sent, len); - } - - *sent_bytes = num_sent; - - return 0; -} - -int usbmuxd_recv_timeout(int sfd, char *data, uint32_t len, uint32_t *recv_bytes, unsigned int timeout) -{ - int num_recv = recv_buf_timeout(sfd, (void*)data, len, 0, timeout); - if (num_recv < 0) { - *recv_bytes = 0; - return num_recv; - } - - *recv_bytes = num_recv; - - return 0; -} - -int usbmuxd_recv(int sfd, char *data, uint32_t len, uint32_t *recv_bytes) -{ - return usbmuxd_recv_timeout(sfd, data, len, recv_bytes, 5000); -} - |