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authorGravatar Nikias Bassen2015-09-24 20:38:37 +0200
committerGravatar Nikias Bassen2015-09-24 20:38:37 +0200
commit197d7d3ac3d4340c32556ede53154a6cfb6713ac (patch)
tree16cc4d72741819df021bf5dbc57b5fc3feabcd73 /src
parentb9ec6f2cc43d618beb4de7ee39461541cc9f60dc (diff)
downloadidevicerestore-197d7d3ac3d4340c32556ede53154a6cfb6713ac.tar.gz
idevicerestore-197d7d3ac3d4340c32556ede53154a6cfb6713ac.tar.bz2
fdr: Add support for protocol version 1
Diffstat (limited to 'src')
-rw-r--r--src/fdr.c146
1 files changed, 115 insertions, 31 deletions
diff --git a/src/fdr.c b/src/fdr.c
index f5475b8..1468dc0 100644
--- a/src/fdr.c
+++ b/src/fdr.c
@@ -35,9 +35,9 @@
#include "fdr.h"
#include <endianness.h> /* from libimobiledevice */
-#define CTRL_PROTO_VERSION 2
-#define CTRL_PORT 0x43a /*14852*/
+#define CTRL_PORT 0x43a /*1082*/
#define CTRLCMD "BeginCtrl"
+#define HELLOCTRLCMD "HelloCtrl"
#define HELLOCMD "HelloConn"
#define FDR_SYNC_MSG 0x1
@@ -45,6 +45,7 @@
#define FDR_PLIST_MSG 0xbbaa
static uint64_t conn_port;
+static int ctrlprotoversion = 2;
static int serial;
static int fdr_receive_plist(fdr_client_t fdr, plist_t* data);
@@ -254,37 +255,73 @@ static int fdr_ctrl_handshake(fdr_client_t fdr)
debug("About to do ctrl handshake\n");
+ ctrlprotoversion = 2;
+
device_error = idevice_connection_send(fdr->connection, CTRLCMD, len, &bytes);
if (device_error != IDEVICE_E_SUCCESS || bytes != len) {
- error("ERROR: FDR unable to send BeginCtrl. Sent %u of %u bytes.\n", bytes, len);
- return -1;
+ debug("Hmm... lookes like the device doesn't like the newer protocol, using the old one\n");
+ ctrlprotoversion = 1;
+ len = sizeof(HELLOCTRLCMD);
+ device_error = idevice_connection_send(fdr->connection, HELLOCTRLCMD, len, &bytes);
+ if (device_error != IDEVICE_E_SUCCESS || bytes != len) {
+ error("ERROR: FDR unable to send BeginCtrl. Sent %u of %u bytes.\n", bytes, len);
+ return -1;
+ }
}
- dict = plist_new_dict();
- plist_dict_set_item(dict, "Command", plist_new_string(CTRLCMD));
- plist_dict_set_item(dict, "CtrlProtoVersion", plist_new_uint(CTRL_PROTO_VERSION));
- res = fdr_send_plist(fdr, dict);
- plist_free(dict);
- if (res) {
- error("ERROR: FDR could not send Begin command.\n");
- return -1;
- }
+ if (ctrlprotoversion == 2) {
+ dict = plist_new_dict();
+ plist_dict_set_item(dict, "Command", plist_new_string(CTRLCMD));
+ plist_dict_set_item(dict, "CtrlProtoVersion", plist_new_uint(ctrlprotoversion));
+ res = fdr_send_plist(fdr, dict);
+ plist_free(dict);
+ if (res) {
+ error("ERROR: FDR could not send Begin command.\n");
+ return -1;
+ }
- if (fdr_receive_plist(fdr, &dict)) {
- error("ERROR: FDR did not get Begin command reply.\n");
- return -1;
- }
- if (idevicerestore_debug)
- debug_plist(dict);
- node = plist_dict_get_item(dict, "ConnPort");
- if (node && plist_get_node_type(node) == PLIST_UINT)
- plist_get_uint_val(node, &conn_port);
- else {
- error("ERROR: Could not get FDR ConnPort value\n");
- return -1;
- }
+ if (fdr_receive_plist(fdr, &dict)) {
+ error("ERROR: FDR did not get Begin command reply.\n");
+ return -1;
+ }
+ if (idevicerestore_debug)
+ debug_plist(dict);
+ node = plist_dict_get_item(dict, "ConnPort");
+ if (node && plist_get_node_type(node) == PLIST_UINT) {
+ plist_get_uint_val(node, &conn_port);
+ } else {
+ error("ERROR: Could not get FDR ConnPort value\n");
+ return -1;
+ }
- plist_free(dict);
+ plist_free(dict);
+ } else {
+ char buf[16];
+ uint16_t cport = 0;
+
+ memset(buf, '\0', sizeof(buf));
+
+ bytes = 0;
+ device_error = idevice_connection_receive(fdr->connection, buf, 10, &bytes);
+ if (device_error != IDEVICE_E_SUCCESS) {
+ error("ERROR: Could not receive reply to HelloCtrl command\n");
+ return -1;
+ }
+ if (memcmp(buf, "HelloCtrl", 10) != 0) {
+ buf[9] = '\0';
+ error("ERROR: Did not receive HelloCtrl as reply, but %s\n", buf);
+ return -1;
+ }
+
+ bytes = 0;
+ device_error = idevice_connection_receive(fdr->connection, (char*)&cport, 2, &bytes);
+ if (device_error != IDEVICE_E_SUCCESS) {
+ error("ERROR: Failed to receive conn port\n");
+ return -1;
+ }
+
+ conn_port = le16toh(cport);
+ }
debug("Ctrl handshake done (ConnPort = %u)\n", conn_port);
@@ -302,9 +339,56 @@ static int fdr_sync_handshake(fdr_client_t fdr)
error("ERROR: FDR unable to send Hello. Sent %u of %u bytes.\n", bytes, len);
return -1;
}
- if (fdr_receive_plist(fdr, &reply)) {
- error("ERROR: FDR did not get Hello reply.\n");
- return -1;
+
+ if (ctrlprotoversion == 2) {
+ if (fdr_receive_plist(fdr, &reply)) {
+ error("ERROR: FDR did not get HelloConn reply.\n");
+ return -1;
+ }
+ char* identifier = NULL;
+ char* cmd = NULL;
+ plist_t node = NULL;
+ node = plist_dict_get_item(reply, "Command");
+ if (node) {
+ plist_get_string_val(node, &cmd);
+ }
+ node = plist_dict_get_item(reply, "Identifier");
+ if (node) {
+ plist_get_string_val(node, &identifier);
+ }
+ plist_free(reply);
+
+ if (!cmd || (strcmp(cmd, "HelloConn") != 0)) {
+ if (cmd) {
+ free(cmd);
+ }
+ if (identifier) {
+ free(identifier);
+ }
+ error("ERROR: Did not receive HelloConn reply...\n");
+ return -1;
+ }
+ free(cmd);
+
+ if (identifier) {
+ debug("Got device identifier %s\n", identifier);
+ free(identifier);
+ }
+
+ } else {
+ char buf[16];
+ memset(buf, '\0', sizeof(buf));
+ bytes = 0;
+ device_error = idevice_connection_receive(fdr->connection, buf, 10, &bytes);
+ if (device_error != IDEVICE_E_SUCCESS) {
+ error("ERROR: Could not receive reply to HelloConn command\n");
+ return -1;
+ }
+ if (memcmp(buf, "HelloConn", 10) != 0) {
+ buf[9] = '\0';
+ error("ERROR: Did not receive HelloConn as reply, but %s\n", buf);
+ return -1;
+ }
}
return 0;
@@ -314,7 +398,7 @@ static int fdr_handle_sync_cmd(fdr_client_t fdr_ctrl)
{
idevice_error_t device_error = IDEVICE_E_SUCCESS;
fdr_client_t fdr;
- thread_t fdr_thread = NULL;
+ thread_t fdr_thread = (thread_t)NULL;
int res = 0;
uint32_t bytes = 0;
char buf[4096];