From 100168dfec533a7afd8f2dd246f1b66b11ad7162 Mon Sep 17 00:00:00 2001 From: Jeremy Allison Date: Mon, 21 Dec 2009 17:46:32 -0800 Subject: Fix bug reported in mangle_hash code (no bugid yet). Don't change the contents of a const string via a pointer alias (or if you do, change it back.....). Jeremy. --- source3/smbd/mangle_hash.c | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'source3/smbd/mangle_hash.c') diff --git a/source3/smbd/mangle_hash.c b/source3/smbd/mangle_hash.c index c08bc4019a..8369af418a 100644 --- a/source3/smbd/mangle_hash.c +++ b/source3/smbd/mangle_hash.c @@ -429,6 +429,13 @@ static void cache_mangled_name( const char mangled_name[13], if( !s1[i] && !s2[i] ) { /* Truncate at the '.' */ *s1 = '\0'; + /* + * DANGER WILL ROBINSON - this + * is changing a const string via + * an aliased pointer ! Remember to + * put it back once we've used it. + * JRA + */ *s2 = '\0'; } } @@ -440,6 +447,8 @@ static void cache_mangled_name( const char mangled_name[13], } else { DEBUG(5,("cache_mangled_name: Stored entry %s -> %s\n", mangled_name_key, raw_name)); } + /* Restore the change we made to the const string. */ + *s2 = '.'; } /* ************************************************************************** ** -- cgit