dovecot-2.2: Avoid unsigned integer overflows.
dovecot at dovecot.org
dovecot at dovecot.org
Sun Feb 24 15:00:20 EET 2013
details: http://hg.dovecot.org/dovecot-2.2/rev/94ebc333c47a
changeset: 15912:94ebc333c47a
user: Timo Sirainen <tss at iki.fi>
date: Sun Feb 24 15:00:13 2013 +0200
description:
Avoid unsigned integer overflows.
diffstat:
src/imap/imap-commands-util.c | 4 +++-
src/lib-index/mail-index-util.c | 2 +-
2 files changed, 4 insertions(+), 2 deletions(-)
diffs (26 lines):
diff -r b0682d64a990 -r 94ebc333c47a src/imap/imap-commands-util.c
--- a/src/imap/imap-commands-util.c Sun Feb 24 14:59:54 2013 +0200
+++ b/src/imap/imap-commands-util.c Sun Feb 24 15:00:13 2013 +0200
@@ -326,7 +326,9 @@
void msgset_generator_next(struct msgset_generator_context *ctx, uint32_t uid)
{
- if (uid != ctx->last_uid+1) {
+ i_assert(uid > 0);
+
+ if (uid-1 != ctx->last_uid) {
if (ctx->first_uid == 0)
;
else if (ctx->first_uid == ctx->last_uid)
diff -r b0682d64a990 -r 94ebc333c47a src/lib-index/mail-index-util.c
--- a/src/lib-index/mail-index-util.c Sun Feb 24 14:59:54 2013 +0200
+++ b/src/lib-index/mail-index-util.c Sun Feb 24 15:00:13 2013 +0200
@@ -106,7 +106,7 @@
static int mail_index_seq_record_cmp(const uint32_t *key_seq,
const uint32_t *data_seq)
{
- return *key_seq - *data_seq;
+ return (int)*key_seq - (int)*data_seq;
}
bool mail_index_seq_array_lookup(const ARRAY_TYPE(seq_array) *array,
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