dovecot: Don't allow empty keywords.

[dovecot at dovecot.org]

details:   http://hg.dovecot.org/dovecot/rev/840bd34df909
changeset: 6321:840bd34df909
user:      Timo Sirainen <tss at iki.fi>
date:      Mon Aug 27 18:03:50 2007 +0300
description:
Don't allow empty keywords.

diffstat:

1 file changed, 5 insertions(+)
src/lib-index/mail-index.c |    5 +++++

diffs (15 lines):

diff -r 58b6fb965e62 -r 840bd34df909 src/lib-index/mail-index.c
--- a/src/lib-index/mail-index.c	Mon Aug 27 17:55:05 2007 +0300
+++ b/src/lib-index/mail-index.c	Mon Aug 27 18:03:50 2007 +0300
@@ -309,6 +309,11 @@ int mail_index_map_parse_keywords(struct
 		const char *keyword = name + kw_rec[i].name_offset;
 		unsigned int idx;
 
+		if (*keyword == '\0') {
+			mail_index_set_error(index, "Corrupted index file %s: "
+				"Found empty keyword", index->filepath);
+			return -1;
+		}
 		(void)mail_index_keyword_lookup(index, keyword, TRUE, &idx);
 		array_append(&map->keyword_idx_map, &idx, 1);
 	}