/**
* Connects to the screenshotr service on the specified device.
*
* @param device The device to connect to.
* @param service The service descriptor returned by lockdownd_start_service.
* @param client Pointer that will be set to a newly allocated
* screenshotr_client_t upon successful return.
*
* @note This service is only available if a developer disk image has been
* mounted.
*
* @return SCREENSHOTR_E_SUCCESS on success, SCREENSHOTR_E_INVALID ARG if one
* or more parameters are invalid, or SCREENSHOTR_E_CONN_FAILED if the
* connection to the device could not be established.
*/
screenshotr_error_t screenshotr_client_new(idevice_t device, lockdownd_service_descriptor_t service,
screenshotr_client_t * client)
{
if (!device || !service || service->port == 0 || !client || *client)
return SCREENSHOTR_E_INVALID_ARG;
device_link_service_client_t dlclient = NULL;
screenshotr_error_t ret = screenshotr_error(device_link_service_client_new(device, service, &dlclient));
if (ret != SCREENSHOTR_E_SUCCESS) {
return ret;
}
screenshotr_client_t client_loc = (screenshotr_client_t) malloc(sizeof(struct screenshotr_client_private));
client_loc->parent = dlclient;
/* perform handshake */
ret = screenshotr_error(device_link_service_version_exchange(dlclient, SCREENSHOTR_VERSION_INT1, SCREENSHOTR_VERSION_INT2));
if (ret != SCREENSHOTR_E_SUCCESS) {
debug_info("version exchange failed, error %d", ret);
screenshotr_client_free(client_loc);
return ret;
}
*client = client_loc;
return ret;
}
/*
* Class: com_att_aro_libimobiledevice_Screencapture
* Method: stopService
* Signature: ()V
*/
JNIEXPORT void JNICALL Java_com_att_aro_libimobiledevice_ScreencaptureImpl_stopService
(JNIEnv * env, jobject obj) {
if(shotr) {
screenshotr_client_free(shotr);
}
if (service) {
lockdownd_service_descriptor_free(service);
}
if(device) {
idevice_free(device);
}
}
Device::~Device() {
if (this->mInstProxy != NULL) {
instproxy_client_free(this->mInstProxy);
}
if (this->mLockDown != NULL) {
lockdownd_goodbye(this->mLockDown);
}
if (this->mDevice != NULL) {
idevice_free(this->mDevice);
}
if (this->mScreenShotr != NULL) {
screenshotr_client_free(this->mScreenShotr);
}
if (this->mSb != NULL) {
sbservices_client_free(this->mSb);
}
if (this->mNp != NULL) {
np_client_free(this->mNp);
}
if (this->mFileRelay != NULL) {
file_relay_client_free(this->mFileRelay);
}
}
int main(int argc, char **argv)
{
idevice_t device = NULL;
lockdownd_client_t lckd = NULL;
lockdownd_error_t ldret = LOCKDOWN_E_UNKNOWN_ERROR;
screenshotr_client_t shotr = NULL;
lockdownd_service_descriptor_t service = NULL;
int result = -1;
int i;
const char *udid = NULL;
char *filename = NULL;
/* parse cmdline args */
for (i = 1; i < argc; i++) {
if (!strcmp(argv[i], "-d") || !strcmp(argv[i], "--debug")) {
idevice_set_debug_level(1);
continue;
}
else if (!strcmp(argv[i], "-u") || !strcmp(argv[i], "--udid")) {
i++;
if (!argv[i] || (strlen(argv[i]) != 40)) {
print_usage(argc, argv);
return 0;
}
udid = argv[i];
continue;
}
else if (!strcmp(argv[i], "-h") || !strcmp(argv[i], "--help")) {
print_usage(argc, argv);
return 0;
}
else if (argv[i][0] != '-' && !filename) {
filename = strdup(argv[i]);
continue;
}
else {
print_usage(argc, argv);
return 0;
}
}
if (IDEVICE_E_SUCCESS != idevice_new(&device, udid)) {
if (udid) {
printf("No device found with udid %s, is it plugged in?\n", udid);
} else {
printf("No device found, is it plugged in?\n");
}
return -1;
}
if (LOCKDOWN_E_SUCCESS != (ldret = lockdownd_client_new_with_handshake(device, &lckd, NULL))) {
idevice_free(device);
printf("ERROR: Could not connect to lockdownd, error code %d\n", ldret);
return -1;
}
lockdownd_start_service(lckd, "com.apple.mobile.screenshotr", &service);
lockdownd_client_free(lckd);
if (service && service->port > 0) {
if (screenshotr_client_new(device, service, &shotr) != SCREENSHOTR_E_SUCCESS) {
printf("Could not connect to screenshotr!\n");
} else {
char *imgdata = NULL;
uint64_t imgsize = 0;
if (screenshotr_take_screenshot(shotr, &imgdata, &imgsize) == SCREENSHOTR_E_SUCCESS) {
if (!filename) {
const char *fileext = NULL;
if (memcmp(imgdata, "\x89PNG", 4) == 0) {
fileext = ".png";
} else if (memcmp(imgdata, "MM\x00*", 4) == 0) {
fileext = ".tiff";
} else {
printf("WARNING: screenshot data has unexpected image format.\n");
fileext = ".dat";
}
time_t now = time(NULL);
filename = (char*)malloc(36);
size_t pos = strftime(filename, 36, "screenshot-%Y-%m-%d-%H-%M-%S", gmtime(&now));
sprintf(filename+pos, "%s", fileext);
}
FILE *f = fopen(filename, "wb");
if (f) {
if (fwrite(imgdata, 1, (size_t)imgsize, f) == (size_t)imgsize) {
printf("Screenshot saved to %s\n", filename);
result = 0;
} else {
printf("Could not save screenshot to file %s!\n", filename);
}
fclose(f);
} else {
printf("Could not open %s for writing: %s\n", filename, strerror(errno));
}
} else {
printf("Could not get screenshot!\n");
}
screenshotr_client_free(shotr);
}
} else {
printf("Could not start screenshotr service! Remember that you have to mount the Developer disk image on your device if you want to use the screenshotr service.\n");
}
if (service)
lockdownd_service_descriptor_free(service);
idevice_free(device);
free(filename);
return result;
}
int main(int argc, char **argv)
{
idevice_t device = NULL;
lockdownd_client_t lckd = NULL;
screenshotr_client_t shotr = NULL;
uint16_t port = 0;
int result = -1;
int i;
const char *udid = NULL;
/* parse cmdline args */
for (i = 1; i < argc; i++) {
if (!strcmp(argv[i], "-d") || !strcmp(argv[i], "--debug")) {
idevice_set_debug_level(1);
continue;
}
else if (!strcmp(argv[i], "-u") || !strcmp(argv[i], "--udid")) {
i++;
if (!argv[i] || (strlen(argv[i]) != 40)) {
print_usage(argc, argv);
return 0;
}
udid = argv[i];
continue;
}
else if (!strcmp(argv[i], "-h") || !strcmp(argv[i], "--help")) {
print_usage(argc, argv);
return 0;
}
else {
print_usage(argc, argv);
return 0;
}
}
if (IDEVICE_E_SUCCESS != idevice_new(&device, udid)) {
if (udid) {
printf("No device found with udid %s, is it plugged in?\n", udid);
} else {
printf("No device found, is it plugged in?\n");
}
return -1;
}
if (LOCKDOWN_E_SUCCESS != lockdownd_client_new_with_handshake(device, &lckd, NULL)) {
idevice_free(device);
printf("Exiting.\n");
return -1;
}
lockdownd_start_service(lckd, "com.apple.mobile.screenshotr", &port);
lockdownd_client_free(lckd);
if (port > 0) {
if (screenshotr_client_new(device, port, &shotr) != SCREENSHOTR_E_SUCCESS) {
printf("Could not connect to screenshotr!\n");
} else {
char *imgdata = NULL;
char filename[36];
uint64_t imgsize = 0;
time_t now = time(NULL);
strftime(filename, 36, "screenshot-%Y-%m-%d-%H-%M-%S.tiff", gmtime(&now));
if (screenshotr_take_screenshot(shotr, &imgdata, &imgsize) == SCREENSHOTR_E_SUCCESS) {
FILE *f = fopen(filename, "wb");
if (f) {
if (fwrite(imgdata, 1, (size_t)imgsize, f) == (size_t)imgsize) {
printf("Screenshot saved to %s\n", filename);
result = 0;
} else {
printf("Could not save screenshot to file %s!\n", filename);
}
fclose(f);
} else {
printf("Could not open %s for writing: %s\n", filename, strerror(errno));
}
} else {
printf("Could not get screenshot!\n");
}
screenshotr_client_free(shotr);
}
} else {
printf("Could not start screenshotr service! Remember that you have to mount the Developer disk image on your device if you want to use the screenshotr service.\n");
}
idevice_free(device);
return result;
}
