From: michael <michael@82007160-df01-0410-b94d-b575c5fd34c7>
Date: Thu, 25 Jun 2015 15:55:11 +0000 (+0000)
Subject: - Added options::dns_timeout configuration option which allows to specify the amount... 
X-Git-Tag: 1.0.8~6
X-Git-Url: http://git.serene-ircd.net/?a=commitdiff_plain;h=42254dcf6780b1b4e73bda5fc6401a37098e7f41;p=hopm.git

- Added options::dns_timeout configuration option which allows to specify the amount of time the
  resolver waits until a response is received from a name server


git-svn-id: svn://svn.ircd-hybrid.org/svnroot/hopm/branches/1.0.x@6199 82007160-df01-0410-b94d-b575c5fd34c7
---

diff --git a/NEWS b/NEWS
index ea86aff..387e6c3 100644
--- a/NEWS
+++ b/NEWS
@@ -1,10 +1,13 @@
 -- Noteworthy changes in version 1.0.8 (2015-??-??)
-o) Added options::reconnectinterval configuration option
+o) Added options::reconnectinterval configuration option. See doc/reference.conf
+   for more information.
 o) Further modernizations and cleanups to the build system
 o) HOPM now compiles with -fstack-protector-strong and -fstack-protector,
    respectively, depending on what the compiler supports
 o) Added new --enable-assert switch to ./configure. assert() statements are now
    disabled by default and can be enabled with ./configure --enable-assert
+o) Added options::dns_timeout configuration option. See doc/reference.conf
+   for more information.
 
 
 -- Noteworthy changes in version 1.0.7 (2015-06-06)
diff --git a/doc/reference.conf b/doc/reference.conf
index f3d79c1..f9dc6dd 100644
--- a/doc/reference.conf
+++ b/doc/reference.conf
@@ -56,6 +56,12 @@ options {
 	 */
 	dns_fdlimit = 64;
 
+	/*
+	 * Amount of time the resolver waits until a response is received
+	 * from a name server.
+	 */
+	dns_timeout = 5 seconds;
+
 	/*
 	 * Put the full path and filename of a logfile here if you wish to log
 	 * every scan done. Normally HOPM only logs successfully detected
diff --git a/src/config-lexer.l b/src/config-lexer.l
index c98748d..82c173a 100644
--- a/src/config-lexer.l
+++ b/src/config-lexer.l
@@ -93,6 +93,7 @@ BLACKLIST               { return BLACKLIST;    }
 CHANNEL                 { return CHANNEL;      }
 CONNREGEX               { return CONNREGEX;    }
 DNS_FDLIMIT             { return DNS_FDLIMIT;  }
+DNS_TIMEOUT             { return DNS_TIMEOUT;  }
 DNSBL_FROM              { return DNSBL_FROM;   }
 DNSBL_TO                { return DNSBL_TO;     }
 EXEMPT                  { return EXEMPT;       }
diff --git a/src/config-parser.y b/src/config-parser.y
index 181b2cd..18962d3 100644
--- a/src/config-parser.y
+++ b/src/config-parser.y
@@ -38,6 +38,7 @@ static void *tmp;  /* Variable to temporarily hold nodes before insertion to lis
 %token CHANNEL
 %token CONNREGEX
 %token DNS_FDLIMIT
+%token DNS_TIMEOUT
 %token DNSBL_FROM
 %token DNSBL_TO
 %token EXEMPT
@@ -137,6 +138,7 @@ options_item: options_negcache         |
               options_negcache_rebuild |
               options_pidfile          |
               options_dns_fdlimit      |
+              options_dns_timeout      |
               options_scanlog          |
               error;
 
@@ -161,6 +163,11 @@ options_dns_fdlimit: DNS_FDLIMIT '=' NUMBER ';'
   OptionsItem->dns_fdlimit = $3;
 };
 
+options_dns_timeout: DNS_TIMEOUT '=' timespec ';'
+{
+  OptionsItem->dns_timeout = $3;
+};
+
 options_scanlog: SCANLOG '=' STRING ';'
 {
   xfree(OptionsItem->scanlog);
diff --git a/src/config.c b/src/config.c
index d893f50..ab21c4c 100644
--- a/src/config.c
+++ b/src/config.c
@@ -95,6 +95,7 @@ config_setup(void)
   OptionsItem->negcache_rebuild = 43200;
   OptionsItem->pidfile = xstrdup("hopm.pid");
   OptionsItem->dns_fdlimit = 50;
+  OptionsItem->dns_timeout = 5;
   OptionsItem->scanlog = NULL;
 }
 
diff --git a/src/config.h b/src/config.h
index 223b7b1..a06c0b0 100644
--- a/src/config.h
+++ b/src/config.h
@@ -63,6 +63,7 @@ struct OptionsConf
   time_t negcache;
   time_t negcache_rebuild;
   unsigned int dns_fdlimit;
+  time_t dns_timeout;
   char *pidfile;
   char *scanlog;
 };
diff --git a/src/firedns.c b/src/firedns.c
index aa10126..729a2e1 100644
--- a/src/firedns.c
+++ b/src/firedns.c
@@ -785,7 +785,7 @@ firedns_cycle(void)
     if (p->fd < 0)
       continue;
 
-    if (p->fd > 0 && (p->start + FDNS_TIMEOUT) < timenow)
+    if (p->fd > 0 && (p->start + OptionsItem->dns_timeout) < timenow)
     {
       /* Timed out - remove from list */
       list_remove(CONNECTIONS, node);
diff --git a/src/firedns.h b/src/firedns.h
index 5b4cc23..549f6e0 100644
--- a/src/firedns.h
+++ b/src/firedns.h
@@ -29,8 +29,6 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 #define FDNS_CONFIG_PREF     HOPM_ETCDIR "/firedns.conf"
 /* fallback config file */
 #define FDNS_CONFIG_FBCK     "/etc/resolv.conf"
-/* Number of seconds to wait for a reply */
-#define FDNS_TIMEOUT         5
 /* DNS well known port */
 #define FDNS_PORT            53
 /* name to IPv4 address */