/**
* Performs the mobilebackup2 protocol version exchange.
*
* @param client The MobileBackup client to use.
* @param local_versions An array of supported versions to send to the remote.
* @param count The number of items in local_versions.
* @param remote_version Holds the protocol version of the remote on success.
*
* @return MOBILEBACKUP2_E_SUCCESS on success, or a MOBILEBACKUP2_E_* error
* code otherwise.
*/
mobilebackup2_error_t mobilebackup2_version_exchange(mobilebackup2_client_t client, double local_versions[], char count, double *remote_version)
{
int i;
if (!client || !client->parent)
return MOBILEBACKUP2_E_INVALID_ARG;
plist_t dict = plist_new_dict();
plist_t array = plist_new_array();
for (i = 0; i < count; i++) {
plist_array_append_item(array, plist_new_real(local_versions[i]));
}
plist_dict_insert_item(dict, "SupportedProtocolVersions", array);
mobilebackup2_error_t err = mobilebackup2_send_message(client, "Hello", dict);
plist_free(dict);
if (err != MOBILEBACKUP2_E_SUCCESS)
goto leave;
dict = NULL;
err = internal_mobilebackup2_receive_message(client, "Response", &dict);
if (err != MOBILEBACKUP2_E_SUCCESS)
goto leave;
/* check if we received an error */
plist_t node = plist_dict_get_item(dict, "ErrorCode");
if (!node || (plist_get_node_type(node) != PLIST_UINT)) {
err = MOBILEBACKUP2_E_PLIST_ERROR;
goto leave;
}
uint64_t val = 0;
plist_get_uint_val(node, &val);
if (val != 0) {
if (val == 1) {
err = MOBILEBACKUP2_E_NO_COMMON_VERSION;
} else {
err = MOBILEBACKUP2_E_REPLY_NOT_OK;
}
goto leave;
}
/* retrieve the protocol version of the device */
node = plist_dict_get_item(dict, "ProtocolVersion");
if (!node || (plist_get_node_type(node) != PLIST_REAL)) {
err = MOBILEBACKUP2_E_PLIST_ERROR;
goto leave;
}
*remote_version = 0.0;
plist_get_real_val(node, remote_version);
leave:
if (dict)
plist_free(dict);
return err;
}
Node::Node(plist_type type, Node* parent) : _parent(parent)
{
_node = NULL;
switch (type)
{
case PLIST_BOOLEAN:
_node = plist_new_bool(0);
break;
case PLIST_UINT:
_node = plist_new_uint(0);
break;
case PLIST_REAL:
_node = plist_new_real(0.);
break;
case PLIST_STRING:
_node = plist_new_string("");
break;
case PLIST_KEY:
_node = plist_new_string("");
plist_set_key_val(_node, "");
break;
case PLIST_UID:
_node = plist_new_uid(0);
break;
case PLIST_DATA:
_node = plist_new_data(NULL,0);
break;
case PLIST_DATE:
_node = plist_new_date(0,0);
break;
case PLIST_ARRAY:
_node = plist_new_array();
break;
case PLIST_DICT:
_node = plist_new_dict();
break;
case PLIST_NONE:
default:
break;
}
}
int main(int argc, char *argv[])
{
lockdownd_client_t client = NULL;
lockdownd_error_t ldret = LOCKDOWN_E_UNKNOWN_ERROR;
idevice_t device = NULL;
idevice_error_t ret = IDEVICE_E_UNKNOWN_ERROR;
int i;
const char* udid = NULL;
time_t setdate = 0;
plist_t node = NULL;
int node_type = -1;
uint64_t datetime = 0;
time_t rawtime;
struct tm * tmp;
char const *format = NULL;
char buffer[80];
int result = 0;
/* 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], "-s") || !strcmp(argv[i], "--set")) {
i++;
if (!argv[i] || (strlen(argv[i]) <= 1)) {
print_usage(argc, argv);
return 0;
}
setdate = atoi(argv[i]);
if (setdate == 0) {
printf("ERROR: Invalid timestamp value.\n");
print_usage(argc, argv);
return 0;
}
continue;
}
else if (!strcmp(argv[i], "-c") || !strcmp(argv[i], "--sync")) {
i++;
/* get current time */
setdate = time(NULL);
/* convert it to local time which sets timezone/daylight variables */
tmp = localtime(&setdate);
/* recalculate to make it UTC */
setdate = mktime(tmp);
continue;
}
else if (!strcmp(argv[i], "-h") || !strcmp(argv[i], "--help")) {
print_usage(argc, argv);
return 0;
}
else {
print_usage(argc, argv);
return 0;
}
}
/* determine a date format */
if (!format) {
format = DATE_FMT_LANGINFO ();
if (!*format) {
format = "%a %b %e %H:%M:%S %Z %Y";
}
}
ret = idevice_new(&device, udid);
if (ret != IDEVICE_E_SUCCESS) {
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, &client, "idevicedate"))) {
fprintf(stderr, "ERROR: Could not connect to lockdownd, error code %d\n", ldret);
result = -1;
goto cleanup;
}
if(lockdownd_get_value(client, NULL, "TimeIntervalSince1970", &node) != LOCKDOWN_E_SUCCESS) {
fprintf(stderr, "ERROR: Unable to retrieve 'TimeIntervalSince1970' node from device.\n");
result = -1;
goto cleanup;
}
if (node == NULL) {
fprintf(stderr, "ERROR: Empty node for 'TimeIntervalSince1970' received.\n");
result = -1;
goto cleanup;
}
node_type = plist_get_node_type(node);
/* get or set? */
if (setdate == 0) {
/* get time value from device */
switch (node_type) {
case PLIST_UINT:
plist_get_uint_val(node, &datetime);
break;
case PLIST_REAL:
{
double rv = 0;
plist_get_real_val(node, &rv);
datetime = rv;
}
break;
default:
fprintf(stderr, "ERROR: Unexpected node type for 'TimeIntervalSince1970'\n");
break;
}
plist_free(node);
node = NULL;
/* date/time calculations */
rawtime = (time_t)datetime;
tmp = localtime(&rawtime);
/* finally we format and print the current date */
strftime(buffer, 80, format, tmp);
puts(buffer);
} else {
datetime = setdate;
plist_free(node);
node = NULL;
switch (node_type) {
case PLIST_UINT:
node = plist_new_uint(datetime);
break;
case PLIST_REAL:
node = plist_new_real((double)datetime);
break;
default:
fprintf(stderr, "ERROR: Unexpected node type for 'TimeIntervalSince1970'\n");
break;
}
if(lockdownd_set_value(client, NULL, "TimeIntervalSince1970", node) == LOCKDOWN_E_SUCCESS) {
tmp = localtime(&setdate);
strftime(buffer, 80, format, tmp);
puts(buffer);
} else {
printf("ERROR: Failed to set date on device.\n");
}
node = NULL;
}
cleanup:
if (client)
lockdownd_client_free(client);
if (device)
idevice_free(device);
return result;
}