| #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); |
| } |