idevicebackup2: Implement support for encrypted backups in Unback command

Allows to specify a password for the Unback request. It is also sent in the
main message, not in an options dictionary.

1 files changed, 6 insertions, 0 deletions

diff --git a/src/mobilebackup2.c b/src/mobilebackup2.c
index 594ba84..577901e 100644
--- a/src/mobilebackup2.c
+++ b/src/mobilebackup2.c
@@ -458,6 +458,12 @@ mobilebackup2_error_t mobilebackup2_send_request(mobilebackup2_client_t client,
         if (options) {
                 plist_dict_insert_item(dict, "Options", plist_copy(options));
         }
+        if (!strcmp(request, "Unback") && options) {
+                plist_t password = plist_dict_get_item(options, "Password");
+                if (password) {
+                        plist_dict_insert_item(dict, "Password", plist_copy(password));
+                }
+        }
         mobilebackup2_error_t err = mobilebackup2_send_message(client, request, dict);
         plist_free(dict);