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Limit number of upstream nameservers when logging configuration.

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This commit is contained in:
Simon Kelley
2016-05-03 22:34:06 +01:00
parent 69cbf78bb6
commit b97026035e
3 changed files with 14 additions and 2 deletions
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1
src/config.h
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@@ -25,6 +25,7 @@
#define TIMEOUT 10 /* drop UDP queries after TIMEOUT seconds */
#define FORWARD_TEST 50 /* try all servers every 50 queries */
#define FORWARD_TIME 20 /* or 20 seconds */
#define SERVERS_LOGGED 30 /* Only log this many servers when logging state */
#define RANDOM_SOCKS 64 /* max simultaneous random ports */
#define LEASE_RETRY 60 /* on error, retry writing leasefile after LEASE_RETRY seconds */
#define CACHESIZ 150 /* default cache size */

10
src/network.c
View File

@@ -1429,7 +1429,7 @@ void check_servers(void)
{
struct irec *iface;
struct server *serv;
int port = 0;
int port = 0, count;
/* interface may be new since startup */
if (!option_bool(OPT_NOWILD))
@@ -1442,7 +1442,7 @@ void check_servers(void)
serv->flags |= SERV_DO_DNSSEC;
#endif
for (serv = daemon->servers; serv; serv = serv->next)
for (count = 0, serv = daemon->servers; serv; serv = serv->next)
{
if (!(serv->flags & (SERV_LITERAL_ADDRESS | SERV_NO_ADDR | SERV_USE_RESOLV | SERV_NO_REBIND)))
{
@@ -1509,6 +1509,9 @@ void check_servers(void)
if (!(serv->flags & SERV_NO_REBIND) && !(serv->flags & SERV_LITERAL_ADDRESS))
{
if (++count > SERVERS_LOGGED)
continue;
if (serv->flags & (SERV_HAS_DOMAIN | SERV_FOR_NODOTS | SERV_USE_RESOLV))
{
char *s1, *s2, *s3 = "";
@@ -1540,6 +1543,9 @@ void check_servers(void)
my_syslog(LOG_INFO, _("using nameserver %s#%d"), daemon->namebuff, port);
}
}
if (count - 1 > SERVERS_LOGGED)
my_syslog(LOG_INFO, _("using %d more nameservers"), count - SERVERS_LOGGED - 1);
cleanup_servers();
}