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Fix crash in auth code with odd configuration.

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This commit is contained in:
Simon Kelley
2015-04-12 21:52:47 +01:00
parent ad4a8ff7d9
commit 38440b204d
2 changed files with 29 additions and 16 deletions
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13
src/auth.c
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@@ -141,7 +141,7 @@ size_t answer_auth(struct dns_header *header, char *limit, size_t qlen, time_t n
for (zone = daemon->auth_zones; zone; zone = zone->next)
if ((subnet = find_subnet(zone, flag, &addr)))
break;
if (!zone)
{
auth = 0;
@@ -186,7 +186,7 @@ size_t answer_auth(struct dns_header *header, char *limit, size_t qlen, time_t n
if (intr)
{
if (in_zone(zone, intr->name, NULL))
if (local_query || in_zone(zone, intr->name, NULL))
{
found = 1;
log_query(flag | F_REVERSE | F_CONFIG, intr->name, &addr, NULL);
@@ -208,8 +208,11 @@ size_t answer_auth(struct dns_header *header, char *limit, size_t qlen, time_t n
*p = 0; /* must be bare name */
/* add external domain */
strcat(name, ".");
strcat(name, zone->domain);
if (zone)
{
strcat(name, ".");
strcat(name, zone->domain);
}
log_query(flag | F_DHCP | F_REVERSE, name, &addr, record_source(crecp->uid));
found = 1;
if (add_resource_record(header, limit, &trunc, nameoffset, &ansp,
@@ -217,7 +220,7 @@ size_t answer_auth(struct dns_header *header, char *limit, size_t qlen, time_t n
T_PTR, C_IN, "d", name))
anscount++;
}
else if (crecp->flags & (F_DHCP | F_HOSTS) && in_zone(zone, name, NULL))
else if (crecp->flags & (F_DHCP | F_HOSTS) && (local_query || in_zone(zone, name, NULL)))
{
log_query(crecp->flags & ~F_FORWARD, name, &addr, record_source(crecp->uid));
found = 1;