blob: 3d4d1e901c596d8e8894c3274bc93af73642e557 [file] [log] [blame]
#include <u.h>
#include <libc.h>
#include <ip.h>
#include <bio.h>
#include <ndb.h>
#include <thread.h>
#include "dns.h"
enum
{
Maxpath= 128
};
char *logfile = "dns";
char *dbfile;
int debug;
int cachedb = 1;
int testing;
int traceactivity;
int needrefresh;
int resolver;
char mntpt[Maxpath];
ulong now;
int maxage;
uchar ipaddr[IPaddrlen]; /* my ip address */
char *LOG;
char *zonerefreshprogram;
char *tcpaddr;
char *udpaddr;
void
usage(void)
{
fprint(2, "usage: dnstcp [-dr] [-f dbfile]\n");
threadexitsall("usage");
}
void
threadmain(int argc, char *argv[])
{
ARGBEGIN{
default:
usage();
case 'd':
debug++;
break;
case 'f':
dbfile = EARGF(usage());
break;
case 'r':
resolver = 1;
break;
}ARGEND
if(argc)
usage();
if(debug < 2)
debug = 0;
dninit();
db2cache(1);
tcpproc(0);
}
/*
* the following varies between dnsdebug and dns
*/
void
logreply(int id, uchar *addr, DNSmsg *mp)
{
RR *rp;
syslog(0, LOG, "%d: rcvd %I flags:%s%s%s%s%s", id, addr,
mp->flags & Fauth ? " auth" : "",
mp->flags & Ftrunc ? " trunc" : "",
mp->flags & Frecurse ? " rd" : "",
mp->flags & Fcanrec ? " ra" : "",
mp->flags & (Fauth|Rname) == (Fauth|Rname) ?
" nx" : "");
for(rp = mp->qd; rp != nil; rp = rp->next)
syslog(0, LOG, "%d: rcvd %I qd %s", id, addr, rp->owner->name);
for(rp = mp->an; rp != nil; rp = rp->next)
syslog(0, LOG, "%d: rcvd %I an %R", id, addr, rp);
for(rp = mp->ns; rp != nil; rp = rp->next)
syslog(0, LOG, "%d: rcvd %I ns %R", id, addr, rp);
for(rp = mp->ar; rp != nil; rp = rp->next)
syslog(0, LOG, "%d: rcvd %I ar %R", id, addr, rp);
}
void
logsend(int id, int subid, uchar *addr, char *sname, char *rname, int type)
{
char buf[12];
syslog(0, LOG, "%d.%d: sending to %I/%s %s %s",
id, subid, addr, sname, rname, rrname(type, buf, sizeof buf));
}
RR*
getdnsservers(int class)
{
return dnsservers(class);
}