fix a local DoS (by hitting an assert) when passing empty TXT strings to the avahi...

[catta] / avahi-common / strlst.c

diff --git a/avahi-common/strlst.c b/avahi-common/strlst.c
index c6ceb0f7351670c6c2dc087353fa854dac9009c9..9ffa18e0e75c14e8bb98fe6f7e0ce77a48b641a1 100644 (file)
--- a/avahi-common/strlst.c
+++ b/avahi-common/strlst.c
@@ -51,7 +51,7 @@ AvahiStringList*avahi_string_list_add_anonymous(AvahiStringList *l, size_t size)
 AvahiStringList *avahi_string_list_add_arbitrary(AvahiStringList *l, const uint8_t*text, size_t size) {
     AvahiStringList *n;
 
-    assert(text);
+    assert(size == 0 || text);
 
     if (!(n = avahi_string_list_add_anonymous(l, size)))
         return NULL;