From aede4d06c49a8446e8011ab569c765a4f4ba32e7 Mon Sep 17 00:00:00 2001
From: Martin Szulecki
Date: Tue, 27 May 2014 12:54:48 +0200
Subject: client: Fix crash that occured when receiving client command from old
 client

---
 src/client.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/client.c b/src/client.c
index c6a7ce8..b30fb06 100644
--- a/src/client.c
+++ b/src/client.c
@@ -476,6 +476,11 @@ static int client_command(struct mux_client *client, struct usbmuxd_header *hdr)
 			} else {
 				char *message = NULL;
 				plist_t node = plist_dict_get_item(dict, "MessageType");
+				if (!node || plist_get_node_type(node) != PLIST_STRING) {
+					usbmuxd_log(LL_ERROR, "Could not read valid MessageType node from plist!");
+					plist_free(dict);
+					return -1;
+				}
 				plist_get_string_val(node, &message);
 				if (!message) {
 					usbmuxd_log(LL_ERROR, "Could not extract MessageType from plist!");
-- 
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