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DNS TXT support

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This commit is contained in:
Vlad Grigorescu 2012-10-30 12:24:12 -04:00
parent 9ec2bfe59f
commit bc79888190
5 changed files with 206 additions and 44 deletions
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35
src/nb_dns.c
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@ -307,31 +307,32 @@ nb_dns_host_request(register struct nb_dns_info *nd, register const char *name,
register void *cookie, register char *errstr)
{
return (nb_dns_host_request2(nd, name, AF_INET, cookie, errstr));
return (nb_dns_host_request2(nd, name, AF_INET, 0, cookie, errstr));
}
int
nb_dns_host_request2(register struct nb_dns_info *nd, register const char *name,
register int af, register void *cookie, register char *errstr)
register int af, register int qtype, register void *cookie, register char *errstr)
{
register int qtype;
if (qtype != 16){
switch (af) {
switch (af) {
case AF_INET:
qtype = T_A;
break;
case AF_INET:
qtype = T_A;
break;
#ifdef AF_INET6
case AF_INET6:
qtype = T_AAAA;
break;
case AF_INET6:
qtype = T_AAAA;
break;
#endif
default:
snprintf(errstr, NB_DNS_ERRSIZE,
"nb_dns_host_request2(): uknown address family %d", af);
return (-1);
default:
snprintf(errstr, NB_DNS_ERRSIZE,
"nb_dns_host_request2(): unknown address family %d", af);
return (-1);
}
}
return (_nb_dns_mkquery(nd, name, af, qtype, cookie, errstr));
}
@ -603,6 +604,12 @@ nb_dns_activity(struct nb_dns_info *nd, struct nb_dns_result *nr, char *errstr)
nr->hostent = he;
nr->ttl = rttl;
return (1);
case T_TXT:
memcpy(bp, rdata, rdlen);
he->h_name = bp+1; /* First char is a control character. */
nr->hostent = he;
nr->ttl = rttl;
return (1);
}
}