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remove, not zero, extended flags

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This commit is contained in:
Mark Andrews
2009-10-12 09:03:06 +00:00
parent 11804ca08f
commit 30bb4870da
1 changed files with 12 additions and 5 deletions
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17
lib/dns/dst_api.c
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@@ -31,7 +31,7 @@
/*
* Principal Author: Brian Wellington
* $Id: dst_api.c,v 1.39 2009/10/12 08:57:38 marka Exp $
* $Id: dst_api.c,v 1.40 2009/10/12 09:03:06 marka Exp $
*/
/*! \file */
@@ -930,8 +930,6 @@ pub_compare(const dst_key_t *key1, const dst_key_t *key2) {
return (ISC_FALSE);
/* Zero out flags. */
buf1[0] = buf1[1] = 0;
if ((key1->key_flags & DNS_KEYFLAG_EXTENDED) != 0)
buf1[4] = buf1[5] = 0;
isc_buffer_init(&b2, buf2, sizeof(buf2));
result = dst_key_todns(key2, &b2);
@@ -939,11 +937,20 @@ pub_compare(const dst_key_t *key1, const dst_key_t *key2) {
return (ISC_FALSE);
/* Zero out flags. */
buf2[0] = buf2[1] = 0;
if ((key2->key_flags & DNS_KEYFLAG_EXTENDED) != 0)
buf2[4] = buf2[5] = 0;
isc_buffer_usedregion(&b1, &r1);
/* Remove extended flags. */
if ((key1->key_flags & DNS_KEYFLAG_EXTENDED) != 0) {
memmove(&buf1[4], &buf1[6], r1.length - 6);
r1.length -= 2;
}
isc_buffer_usedregion(&b2, &r2);
/* Remove extended flags. */
if ((key2->key_flags & DNS_KEYFLAG_EXTENDED) != 0) {
memmove(&buf2[4], &buf2[6], r2.length - 6);
r2.length -= 2;
}
return (ISC_TF(isc_region_compare(&r1, &r2) == 0));
}