dovecot-2.2: lib-index: Transaction log creation crashed if requ...

[dovecot at dovecot.org]

details:   http://hg.dovecot.org/dovecot-2.2/rev/d2dd659b4a4a
changeset: 15097:d2dd659b4a4a
user:      Timo Sirainen <tss at iki.fi>
date:      Tue Sep 25 17:41:58 2012 +0300
description:
lib-index: Transaction log creation crashed if required extension name length wasn't divisible by 4.

diffstat:

 src/lib-index/mail-transaction-log-file.c |  2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diffs (12 lines):

diff -r cc7650515b40 -r d2dd659b4a4a src/lib-index/mail-transaction-log-file.c
--- a/src/lib-index/mail-transaction-log-file.c	Tue Sep 25 17:37:55 2012 +0300
+++ b/src/lib-index/mail-transaction-log-file.c	Tue Sep 25 17:41:58 2012 +0300
@@ -609,6 +609,8 @@
 	intro->record_align = rext->record_align;
 	intro->name_size = strlen(rext->name);
 	buffer_append(buf, rext->name, intro->name_size);
+	if (buf->used % 4 != 0)
+		buffer_append_zero(buf, 4 - buf->used % 4);
 
 	hdr = buffer_get_space_unsafe(buf, hdr_offset, sizeof(*hdr));
 	hdr->size = mail_index_uint32_to_offset(buf->used - hdr_offset);