irecv_error_t irecv_set_configuration(irecv_client_t client, int configuration) {
if (check_context(client) != IRECV_E_SUCCESS) return IRECV_E_NO_DEVICE;
#ifndef WIN32
debug("Setting to configuration %d\n", configuration);
int current = 0;
irecv_usb_get_configuration(client->handle, ¤t);
if (current != configuration) {
if (irecv_usb_set_configuration(client->handle, configuration) < 0) {
return IRECV_E_USB_CONFIGURATION;
}
}
client->config = configuration;
#endif
return IRECV_E_SUCCESS;
}
int dfu_enter_recovery(struct idevicerestore_client_t* client, plist_t build_identity) {
irecv_error_t dfu_error = IRECV_E_SUCCESS;
int mode = 0;
if (dfu_client_new(client) < 0) {
error("ERROR: Unable to connect to DFU device\n");
return -1;
}
irecv_get_mode(client->dfu->client, &mode);
if (mode != IRECV_K_DFU_MODE) {
info("NOTE: device is not in DFU mode, assuming recovery mode.\n");
client->mode = &idevicerestore_modes[MODE_RECOVERY];
return 0;
}
if (dfu_send_component(client, build_identity, "iBSS") < 0) {
error("ERROR: Unable to send iBSS to device\n");
irecv_close(client->dfu->client);
client->dfu->client = NULL;
return -1;
}
irecv_usb_control_transfer(client->dfu->client, 0x21, 1, 0, 0, 0, 0, 5000);
dfu_error = irecv_reset(client->dfu->client);
if (dfu_error != IRECV_E_SUCCESS) {
error("ERROR: Unable to reset device\n");
irecv_close(client->dfu->client);
client->dfu->client = NULL;
return -1;
}
if (client->build_major > 8) {
/* reconnect */
dfu_client_free(client);
sleep(2);
dfu_client_new(client);
/* get nonce */
unsigned char* nonce = NULL;
int nonce_size = 0;
int nonce_changed = 0;
if (dfu_get_ap_nonce(client, &nonce, &nonce_size) < 0) {
error("ERROR: Unable to get ApNonce from device!\n");
return -1;
}
if (!client->nonce || (nonce_size != client->nonce_size) || (memcmp(nonce, client->nonce, nonce_size) != 0)) {
nonce_changed = 1;
if (client->nonce) {
free(client->nonce);
}
client->nonce = nonce;
client->nonce_size = nonce_size;
} else {
free(nonce);
}
info("Nonce: ");
int i;
for (i = 0; i < client->nonce_size; i++) {
info("%02x ", client->nonce[i]);
}
info("\n");
if (nonce_changed && !(client->flags & FLAG_CUSTOM)) {
// Welcome iOS5. We have to re-request the TSS with our nonce.
plist_free(client->tss);
if (get_tss_response(client, build_identity, &client->tss) < 0) {
error("ERROR: Unable to get SHSH blobs for this device\n");
return -1;
}
if (!client->tss) {
error("ERROR: can't continue without TSS\n");
return -1;
}
fixup_tss(client->tss);
}
if (irecv_usb_set_configuration(client->dfu->client, 1) < 0) {
error("ERROR: set configuration failed\n");
}
/* send iBEC */
if (dfu_send_component(client, build_identity, "iBEC") < 0) {
error("ERROR: Unable to send iBEC to device\n");
irecv_close(client->dfu->client);
client->dfu->client = NULL;
return -1;
}
irecv_usb_control_transfer(client->dfu->client, 0x21, 1, 0, 0, 0, 0, 5000);
dfu_error = irecv_reset(client->dfu->client);
if (dfu_error != IRECV_E_SUCCESS) {
error("ERROR: Unable to reset device\n");
irecv_close(client->dfu->client);
client->dfu->client = NULL;
return -1;
}
}
dfu_client_free(client);
sleep(7);
// Reconnect to device, but this time make sure we're not still in DFU mode
if (recovery_client_new(client) < 0) {
error("ERROR: Unable to connect to recovery device\n");
if (client->recovery->client) {
irecv_close(client->recovery->client);
client->recovery->client = NULL;
}
return -1;
}
irecv_get_mode(client->recovery->client, &mode);
if (mode == IRECV_K_DFU_MODE) {
error("ERROR: Unable to connect to recovery device\n");
if (client->recovery->client) {
irecv_close(client->recovery->client);
client->recovery->client = NULL;
}
return -1;
}
return 0;
}
