static const char *
print_query(const struct query *q, char *buf, size_t max)
{
char b[256];
snprintf(buf, max, "%s %s %s",
print_dname(q->q_dname, b, sizeof b),
__p_class(q->q_class), __p_type(q->q_type));
return (buf);
}
/*
* Print the contents of a query.
* This is intended to be primarily a debugging routine.
*/
void
__fp_query(char *msg, FILE *file)
{
register char *cp;
register HEADER *hp;
register int n;
/*
* Print header fields.
*/
hp = (HEADER *)msg;
cp = msg + sizeof(HEADER);
fprintf(file,"HEADER:\n");
fprintf(file,"\topcode = %s", _res_opcodes[hp->opcode]);
fprintf(file,", id = %d", ntohs(hp->id));
fprintf(file,", rcode = %s\n", _res_resultcodes[hp->rcode]);
fprintf(file,"\theader flags: ");
if (hp->qr)
fprintf(file," qr");
if (hp->aa)
fprintf(file," aa");
if (hp->tc)
fprintf(file," tc");
if (hp->rd)
fprintf(file," rd");
if (hp->ra)
fprintf(file," ra");
if (hp->pr)
fprintf(file," pr");
fprintf(file,"\n\tqdcount = %d", ntohs(hp->qdcount));
fprintf(file,", ancount = %d", ntohs(hp->ancount));
fprintf(file,", nscount = %d", ntohs(hp->nscount));
fprintf(file,", arcount = %d\n\n", ntohs(hp->arcount));
/*
* Print question records.
*/
if (n = ntohs(hp->qdcount)) {
fprintf(file,"QUESTIONS:\n");
while (--n >= 0) {
fprintf(file,"\t");
cp = p_cdname(cp, msg, file);
if (cp == NULL)
return;
fprintf(file,", type = %s", __p_type(_getshort(cp)));
cp += sizeof(u_short);
fprintf(file,
", class = %s\n\n", __p_class(_getshort(cp)));
cp += sizeof(u_short);
}
}
/*
* Print authoritative answer records
*/
if (n = ntohs(hp->ancount)) {
fprintf(file,"ANSWERS:\n");
while (--n >= 0) {
fprintf(file,"\t");
cp = p_rr(cp, msg, file);
if (cp == NULL)
return;
}
}
/*
* print name server records
*/
if (n = ntohs(hp->nscount)) {
fprintf(file,"NAME SERVERS:\n");
while (--n >= 0) {
fprintf(file,"\t");
cp = p_rr(cp, msg, file);
if (cp == NULL)
return;
}
}
/*
* print additional records
*/
if (n = ntohs(hp->arcount)) {
fprintf(file,"ADDITIONAL RECORDS:\n");
while (--n >= 0) {
fprintf(file,"\t");
cp = p_rr(cp, msg, file);
if (cp == NULL)
return;
}
}
}
static const char *
print_rr(const struct rr *rr, char *buf, size_t max)
{
char *res;
char tmp[256];
char tmp2[256];
int r;
res = buf;
r = snprintf(buf, max, "%s %u %s %s ",
print_dname(rr->rr_dname, tmp, sizeof tmp),
rr->rr_ttl,
__p_class(rr->rr_class),
__p_type(rr->rr_type));
if (r == -1) {
buf[0] = '\0';
return (buf);
}
if ((size_t)r >= max)
return (buf);
max -= r;
buf += r;
switch (rr->rr_type) {
case T_CNAME:
print_dname(rr->rr.cname.cname, buf, max);
break;
case T_MX:
snprintf(buf, max, "%lu %s",
(unsigned long)rr->rr.mx.preference,
print_dname(rr->rr.mx.exchange, tmp, sizeof tmp));
break;
case T_NS:
print_dname(rr->rr.ns.nsname, buf, max);
break;
case T_PTR:
print_dname(rr->rr.ptr.ptrname, buf, max);
break;
case T_SOA:
snprintf(buf, max, "%s %s %lu %lu %lu %lu %lu",
print_dname(rr->rr.soa.rname, tmp, sizeof tmp),
print_dname(rr->rr.soa.mname, tmp2, sizeof tmp2),
(unsigned long)rr->rr.soa.serial,
(unsigned long)rr->rr.soa.refresh,
(unsigned long)rr->rr.soa.retry,
(unsigned long)rr->rr.soa.expire,
(unsigned long)rr->rr.soa.minimum);
break;
case T_A:
if (rr->rr_class != C_IN)
goto other;
snprintf(buf, max, "%s", inet_ntop(AF_INET,
&rr->rr.in_a.addr, tmp, sizeof tmp));
break;
case T_AAAA:
if (rr->rr_class != C_IN)
goto other;
snprintf(buf, max, "%s", inet_ntop(AF_INET6,
&rr->rr.in_aaaa.addr6, tmp, sizeof tmp));
break;
default:
other:
snprintf(buf, max, "(rdlen=%i)", (int)rr->rr.other.rdlen);
break;
}
return (res);
}
