Add support for querying and parsing SRV DNS records.
Signed-off-by: Jo-Philipp Wich <[email protected]>
---
networking/nslookup.c | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/networking/nslookup.c b/networking/nslookup.c
index f7fd1d377..f6fb1672a 100644
--- a/networking/nslookup.c
+++ b/networking/nslookup.c
@@ -283,6 +283,7 @@ static const struct {
{ ns_t_cname, "CNAME" },
{ ns_t_mx, "MX" },
{ ns_t_txt, "TXT" },
+ { ns_t_srv, "SRV" },
{ ns_t_ptr, "PTR" },
{ ns_t_any, "ANY" },
};
@@ -435,6 +436,25 @@ static int parse_reply(const unsigned char *msg, size_t
len)
}
break;
+ case ns_t_srv:
+ if (rdlen < 6) {
+ //printf("SRV record too short\n");
+ return -1;
+ }
+
+ cp = ns_rr_rdata(rr);
+ n = ns_name_uncompress(ns_msg_base(handle),
ns_msg_end(handle),
+ cp + 6, dname, sizeof(dname));
+
+ if (n < 0) {
+ //printf("Unable to uncompress domain: %s\n",
strerror(errno));
+ return -1;
+ }
+
+ printf("%s\tservice = %hu %hu %hu %s\n", ns_rr_name(rr),
+ ns_get16(cp), ns_get16(cp + 2), ns_get16(cp +
4), dname);
+ break;
+
case ns_t_soa:
if (rdlen < 20) {
dbg("SOA record too short:%d\n", rdlen);
--
2.11.0
_______________________________________________
busybox mailing list
[email protected]
http://lists.busybox.net/mailman/listinfo/busybox
