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| author | Jun-ichiro itojun Hagino <itojun@itojun.org> | 2000-04-26 12:01:50 +0000 |
|---|---|---|
| committer | Jun-ichiro itojun Hagino <itojun@itojun.org> | 2000-04-26 12:01:50 +0000 |
| commit | 3d1ce3399ed503fbdff0f523f51c54627201572b (patch) | |
| tree | a508134af4b0caaeba0aef72cea88f1564719ccd /packet-dns.c | |
| parent | ddb1da7df2e30741cd5c9937cd081a20710c93ef (diff) | |
support A6 packet (IPv6 name resolution).
support AD and CD bit in RFC2535 (DNS security extension) section 6.
(seen on packets from BIND9 named)
svn path=/trunk/; revision=1890
Diffstat (limited to 'packet-dns.c')
| -rw-r--r-- | packet-dns.c | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/packet-dns.c b/packet-dns.c index c82625943a..a1ebf6b6ee 100644 --- a/packet-dns.c +++ b/packet-dns.c @@ -1,7 +1,7 @@ /* packet-dns.c * Routines for DNS packet disassembly * - * $Id: packet-dns.c,v 1.42 2000/04/12 06:59:28 guy Exp $ + * $Id: packet-dns.c,v 1.43 2000/04/26 12:01:50 itojun Exp $ * * Ethereal - Network traffic analyzer * By Gerald Combs <gerald@zing.org> @@ -111,6 +111,7 @@ static gint ett_t_key_flags = -1; #define T_SRV 33 /* service location (RFC 2052) */ #define T_ATMA 34 /* ??? */ #define T_NAPTR 35 /* naming authority pointer (RFC 2168) */ +#define T_A6 38 /* IPv6 address with indirection (draft-ietf-ipngwg-dns-lookups-07) */ #define T_OPT 41 /* OPT pseudo-RR (RFC 2671) */ /* Bit fields in the flags */ @@ -120,6 +121,8 @@ static gint ett_t_key_flags = -1; #define F_TRUNCATED (1<<9) /* response is truncated */ #define F_RECDESIRED (1<<8) /* recursion desired */ #define F_RECAVAIL (1<<7) /* recursion available */ +#define F_AUTHENTIC (1<<5) /* authentic data (RFC2535) */ +#define F_CHECKDISABLE (1<<4) /* checking disabled (RFC2535) */ #define F_RCODE (0xF<<0) /* reply code */ /* Opcodes */ @@ -178,7 +181,7 @@ dns_type_name (u_int type) "NAPTR", /* RFC 2168 */ NULL, NULL, - NULL, + "A6", /* draft-ietf-ipngwg-dns-lookups-07 */ NULL, NULL, "OPT" /* RFC 2671 */ @@ -259,7 +262,7 @@ dns_long_type_name (u_int type) "Naming authority pointer", /* RFC 2168 */ NULL, NULL, - NULL, + "IPv6 address with indirection", /* draft-ietf-ipngwg-dns-lookups-07 */ NULL, NULL, "EDNS0 option" /* RFC 2671 */ @@ -1620,6 +1623,20 @@ dissect_dns(const u_char *pd, int offset, frame_data *fd, proto_tree *tree) "Server can do recursive queries", "Server can't do recursive queries")); proto_tree_add_text(field_tree, offset + DNS_FLAGS, 2, "%s", + decode_boolean_bitfield(flags, F_AUTHENTIC, + 2*8, + "Answer/authority portion was autenticated by the server", + "Answer/authority portion was not autenticated by the server")); + } + if ((flags & F_RESPONSE) == 0) { + proto_tree_add_text(field_tree, offset + DNS_FLAGS, 2, "%s", + decode_boolean_bitfield(flags, F_CHECKDISABLE, + 2*8, + "Non-authenticated data is acceptable", + "Non-authenticated data is unacceptable")); + } + if (flags & F_RESPONSE) { + proto_tree_add_text(field_tree, offset + DNS_FLAGS, 2, "%s", decode_enumerated_bitfield(flags, F_RCODE, 2*8, rcode_vals, "%s")); } |