110 lines
2.2 KiB
C
110 lines
2.2 KiB
C
/*
|
|
* This file is part of the UCB release of Plan 9. It is subject to the license
|
|
* terms in the LICENSE file found in the top-level directory of this
|
|
* distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
|
|
* part of the UCB release of Plan 9, including this file, may be copied,
|
|
* modified, propagated, or distributed except according to the terms contained
|
|
* in the LICENSE file.
|
|
*/
|
|
/* Portions of this file are Copyright (C) 2015-2018 Giacomo Tesio <giacomo@tesio.it>
|
|
* See /doc/license/gpl-2.0.txt for details about the licensing.
|
|
*/
|
|
/* Portions of this file are Copyright (C) 9front's team.
|
|
* See /doc/license/9front-mit for details about the licensing.
|
|
* See http://git.9front.org/plan9front/plan9front/HEAD/info.html for a list of authors.
|
|
*/
|
|
/* one-shot resolver */
|
|
#include <u.h>
|
|
#include <lib9.h>
|
|
#include <bio.h>
|
|
#include <ndb.h>
|
|
#include "dns.h"
|
|
|
|
Cfg cfg;
|
|
char *dbfile;
|
|
int debug = 0;
|
|
char *logfile = "dnsgetip";
|
|
int maxage = 60*60;
|
|
char mntpt[Maxpath];
|
|
int needrefresh = 0;
|
|
uint32_t now = 0;
|
|
int64_t nowns = 0;
|
|
int testing = 0;
|
|
int traceactivity = 0;
|
|
char *zonerefreshprogram;
|
|
|
|
int aflag;
|
|
|
|
void
|
|
resolve(char *name, int type)
|
|
{
|
|
Request req;
|
|
RR *rp;
|
|
|
|
memset(&req, 0, sizeof req);
|
|
getactivity(&req, 0);
|
|
req.isslave = 1;
|
|
req.aborttime = NS2MS(nowns) + Maxreqtm;
|
|
|
|
rp = dnresolve(name, Cin, type, &req, 0, 0, Recurse, 0, 0);
|
|
rrremneg(&rp);
|
|
while(rp != nil){
|
|
print("%s\n", rp->ip->name);
|
|
if(!aflag)
|
|
exits(nil);
|
|
rp = rp->next;
|
|
}
|
|
}
|
|
|
|
void
|
|
usage(void)
|
|
{
|
|
fprint(2, "%s: [-adx] domain\n", argv0);
|
|
exits("usage");
|
|
}
|
|
|
|
void
|
|
main(int argc, char **argv)
|
|
{
|
|
strcpy(mntpt, "/net");
|
|
cfg.inside = 1;
|
|
cfg.resolver = 1;
|
|
|
|
ARGBEGIN{
|
|
case 'a':
|
|
aflag = 1;
|
|
break;
|
|
case 'd':
|
|
debug++;
|
|
break;
|
|
case 'x':
|
|
strcpy(mntpt, "/net.alt");
|
|
break;
|
|
default:
|
|
usage();
|
|
}ARGEND
|
|
|
|
if(argc != 1)
|
|
usage();
|
|
|
|
if(strcmp(ipattr(*argv), "ip") == 0)
|
|
print("%s\n", *argv);
|
|
else {
|
|
dninit();
|
|
resolve(*argv, Ta);
|
|
resolve(*argv, Taaaa);
|
|
}
|
|
exits(nil);
|
|
}
|
|
|
|
RR*
|
|
getdnsservers(int class)
|
|
{
|
|
return dnsservers(class);
|
|
}
|
|
|
|
/* stubs */
|
|
void syslog(int _1, const char* _2, const char* _3, ...){}
|
|
void logreply(int _1, uint8_t* _2, DNSmsg* _3){}
|
|
void logsend(int _1, int _2, uint8_t* _3, char* _4, char* _5, int _6){}
|