2 files changed, 12 insertions, 2 deletions

diff --git a/include/libiphone/lockdown.h b/include/libiphone/lockdown.h
index 7fa5384..e80851b 100644
--- a/include/libiphone/lockdown.h
+++ b/include/libiphone/lockdown.h
@@ -48,6 +48,7 @@ extern "C" {
 #define LOCKDOWN_E_PASSWORD_PROTECTED       -14
 #define LOCKDOWN_E_NO_RUNNING_SESSION       -15
 #define LOCKDOWN_E_INVALID_HOST_ID          -16
+#define LOCKDOWN_E_INVALID_SERVICE          -17
 
 #define LOCKDOWN_E_UNKNOWN_ERROR           -256
 
diff --git a/src/lockdown.c b/src/lockdown.c
index 1befb72..8f15b3f 100644
--- a/src/lockdown.c
+++ b/src/lockdown.c
@@ -1262,9 +1262,18 @@ lockdownd_error_t lockdownd_start_service(lockdownd_client_t client, const char
                         if (port && ret == LOCKDOWN_E_SUCCESS)
                                 *port = port_loc;
                 }
-        }
-        else
+        } else {
                 ret = LOCKDOWN_E_START_SERVICE_FAILED;
+                plist_t error_node = plist_dict_get_item(dict, "Error");
+                if (error_node && PLIST_STRING == plist_get_node_type(error_node)) {
+                        char *error = NULL;
+                        plist_get_string_val(error_node, &error);
+                        if (!strcmp(error, "InvalidService")) {
+                                ret = LOCKDOWN_E_INVALID_SERVICE;
+                        }
+                        free(error);
+                }
+        }
 
         plist_free(dict);
         dict = NULL;