mir/bind
2
0
Fork 0
mirror of https://gitlab.isc.org/isc-projects/bind9 synced 2025-08-29 05:28:00 +00:00
Code Issues Releases Wiki Activity

[master] fix DLZ coredump

Browse Source 
3777.	[bug]		EDNS EXPIRE code could dump core when processing
			DLZ queries. [RT #35493]
This commit is contained in:
Evan Hunt 2014-03-06 11:06:30 -08:00
parent 0f52ea95d8
commit a2fd1de97d
3 changed files with 29 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
CHANGES
View File

@ -1,3 +1,6 @@
3777. [bug] EDNS EXPIRE code could dump core when processing
DLZ queries. [RT #35493]
3776. [bug] "rndc -q" suppresses output from successful
rndc commands. Errors are printed on stderr.
[RT #21393]

42
bin/named/query.c
View File

@ -6075,7 +6075,7 @@ query_find(ns_client_t *client, dns_fetchevent_t *event, dns_rdatatype_t qtype)
dns_fixedname_t fixed;
dns_fixedname_t wildcardname;
dns_dbversion_t *version, *zversion;
dns_zone_t *zone, *raw = NULL, *mayberaw;
dns_zone_t *zone;
dns_rdata_cname_t cname;
dns_rdata_dname_t dname;
unsigned int options;
@ -7869,25 +7869,33 @@ query_find(ns_client_t *client, dns_fetchevent_t *event, dns_rdatatype_t qtype)
/*
* Return the time to expire for slave zones.
*/
if (is_zone)
dns_zone_getraw(zone, &raw);
mayberaw = (raw != NULL) ? raw : zone;
if (zone != NULL) {
dns_zone_t *raw = NULL, *mayberaw;
if (is_zone && qtype == dns_rdatatype_soa &&
(client->attributes & NS_CLIENTATTR_WANTEXPIRE) != 0 &&
client->query.restarts == 0 &&
dns_zone_gettype(mayberaw) == dns_zone_slave) {
isc_time_t expiretime;
isc_uint32_t secs;
dns_zone_getexpiretime(zone, &expiretime);
secs = isc_time_seconds(&expiretime);
if (secs >= client->now && result == ISC_R_SUCCESS) {
client->attributes |= NS_CLIENTATTR_HAVEEXPIRE;
client->expire = secs - client->now;
if (is_zone)
dns_zone_getraw(zone, &raw);
mayberaw = (raw != NULL) ? raw : zone;
if (is_zone && qtype == dns_rdatatype_soa &&
((client->attributes &
NS_CLIENTATTR_WANTEXPIRE) != 0) &&
client->query.restarts == 0 &&
dns_zone_gettype(mayberaw) == dns_zone_slave)
{
isc_time_t expiretime;
isc_uint32_t secs;
dns_zone_getexpiretime(zone, &expiretime);
secs = isc_time_seconds(&expiretime);
if (secs >= client->now &&
result == ISC_R_SUCCESS) {
client->attributes |=
NS_CLIENTATTR_HAVEEXPIRE;
client->expire = secs - client->now;
}
}
if (raw != NULL)
dns_zone_detach(&raw);
}
if (raw != NULL)
dns_zone_detach(&raw);
if (dns64) {
qtype = type = dns_rdatatype_aaaa;

2
contrib/dlz/modules/sqlite3/testing/README
View File

@ -3,7 +3,7 @@ These files were used for testing on Ubuntu Linux using SQLite3
- Install SQLite3: sudo apt-get install sqlite3 libsqlite3-dev
- Build sqlite3 DLZ module
- Run "sqlite3 BindDB < dlz.schema" to set up database
- Run "mysql BindDB < dlz.data" to populate it
- Run "sqlite3 BindDB < dlz.data" to populate it
- Run "named -gc named.conf"
- Send test queries, e.g "dig @localhost -p 5300 example.com",
"dig @localhost -p 5300 axfr example.com" (AXFR should be