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authorGravatar Nikias Bassen2021-07-29 03:36:29 +0200
committerGravatar Nikias Bassen2021-07-29 03:36:29 +0200
commit6c7b50355cc5de1da1d7677e012f18efbce34237 (patch)
tree9f70fb484fd9f4c5ecc65b4f2ca4fd4732c94e65
parent8e01e874113f430dc7a1835282ff93226863e47c (diff)
downloadlibimobiledevice-6c7b50355cc5de1da1d7677e012f18efbce34237.tar.gz
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lockdown: Get DeviceClass to make sure OS version dependent code is executed correctly
The code in lockdownd_client_new_with_handshake would call the function lockdownd_validate_pair based on the OS version being less than 7.0 without taking into account that Watch OS has a different versioning scheme compared to the other device classes. For this and any future version/device specific checks, the code now queries the DeviceClass and stores it in the idevice_private struct.
-rw-r--r--src/idevice.c1
-rw-r--r--src/idevice.h8
-rw-r--r--src/lockdown.c26
3 files changed, 34 insertions, 1 deletions
diff --git a/src/idevice.c b/src/idevice.c
index 08a8b31..9d20709 100644
--- a/src/idevice.c
+++ b/src/idevice.c
@@ -363,6 +363,7 @@ static idevice_t idevice_from_mux_device(usbmuxd_device_info_t *muxdev)
device->udid = strdup(muxdev->udid);
device->mux_id = muxdev->handle;
device->version = 0;
+ device->device_class = 0;
switch (muxdev->conn_type) {
case CONNECTION_TYPE_USB:
device->conn_type = CONNECTION_USBMUXD;
diff --git a/src/idevice.h b/src/idevice.h
index 7a8f4ce..2509e48 100644
--- a/src/idevice.h
+++ b/src/idevice.h
@@ -52,6 +52,13 @@
#define DEVICE_VERSION(maj, min, patch) (((maj & 0xFF) << 16) | ((min & 0xFF) << 8) | (patch & 0xFF))
+#define DEVICE_CLASS_IPHONE 1
+#define DEVICE_CLASS_IPAD 2
+#define DEVICE_CLASS_IPOD 3
+#define DEVICE_CLASS_APPLETV 4
+#define DEVICE_CLASS_WATCH 5
+#define DEVICE_CLASS_UNKNOWN 255
+
struct ssl_data_private {
#if defined(HAVE_OPENSSL)
SSL *session;
@@ -89,6 +96,7 @@ struct idevice_private {
enum idevice_connection_type conn_type;
void *conn_data;
int version;
+ int device_class;
};
#endif
diff --git a/src/lockdown.c b/src/lockdown.c
index 159f741..2cacc71 100644
--- a/src/lockdown.c
+++ b/src/lockdown.c
@@ -696,6 +696,30 @@ LIBIMOBILEDEVICE_API lockdownd_error_t lockdownd_client_new_with_handshake(idevi
}
plist_free(p_version);
}
+ if (device->device_class == 0) {
+ plist_t p_device_class = NULL;
+ if (lockdownd_get_value(client_loc, NULL, "DeviceClass", &p_device_class) == LOCKDOWN_E_SUCCESS) {
+ char* s_device_class = NULL;
+ plist_get_string_val(p_device_class, &s_device_class);
+ if (s_device_class != NULL) {
+ if (!strcmp(s_device_class, "iPhone")) {
+ device->device_class = DEVICE_CLASS_IPHONE;
+ } else if (!strcmp(s_device_class, "iPad")) {
+ device->device_class = DEVICE_CLASS_IPAD;
+ } else if (!strcmp(s_device_class, "iPod")) {
+ device->device_class = DEVICE_CLASS_IPOD;
+ } else if (!strcmp(s_device_class, "Watch")) {
+ device->device_class = DEVICE_CLASS_WATCH;
+ } else if (!strcmp(s_device_class, "AppleTV")) {
+ device->device_class = DEVICE_CLASS_APPLETV;
+ } else {
+ device->device_class = DEVICE_CLASS_UNKNOWN;
+ }
+ free(s_device_class);
+ }
+ }
+ plist_free(p_device_class);
+ }
userpref_error_t uerr = userpref_read_pair_record(client_loc->udid, &pair_record);
if (uerr == USERPREF_E_READ_ERROR) {
@@ -720,7 +744,7 @@ LIBIMOBILEDEVICE_API lockdownd_error_t lockdownd_client_new_with_handshake(idevi
plist_free(pair_record);
pair_record = NULL;
- if (device->version < DEVICE_VERSION(7,0,0)) {
+ if (device->version < DEVICE_VERSION(7,0,0) && device->device_class != DEVICE_CLASS_WATCH) {
/* for older devices, we need to validate pairing to receive trusted host status */
ret = lockdownd_validate_pair(client_loc, NULL);