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From me via https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7709 

Enhance DNS Dissector

Enhance DNS : make HINFO filtereable

svn path=/trunk/; revision=44941
This commit is contained in:
Alexis La Goutte 2012-09-17 15:16:34 +00:00
parent d41c249f91
commit c5826e292a
1 changed files with 36 additions and 5 deletions
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41
epan/dissectors/packet-dns.c
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@ -108,6 +108,10 @@ static int hf_dns_ptr_domain_name = -1;
static int hf_dns_wks_address = -1;
static int hf_dns_wks_protocol = -1;
static int hf_dns_wks_bits = -1;
static int hf_dns_hinfo_cpu_length = -1;
static int hf_dns_hinfo_cpu = -1;
static int hf_dns_hinfo_os_length = -1;
static int hf_dns_hinfo_os = -1;
static int hf_dns_rr_ns = -1;
static int hf_dns_rr_opt = -1;
static int hf_dns_rr_opt_code = -1;
@ -1606,7 +1610,7 @@ dissect_dns_answer(tvbuff_t *tvb, int offsetx, int dns_data_offset,
}
break;
case T_HINFO:
case T_HINFO: /* Host Information (13) */
{
int cpu_offset;
int cpu_len;
@ -1627,10 +1631,17 @@ dissect_dns_answer(tvbuff_t *tvb, int offsetx, int dns_data_offset,
}
proto_item_append_text(trr, ", CPU %.*s, OS %.*s",
cpu_len, cpu, os_len, os);
proto_tree_add_text(rr_tree, tvb, cpu_offset, 1 + cpu_len, "CPU: %.*s",
cpu_len, cpu);
proto_tree_add_text(rr_tree, tvb, os_offset, 1 + os_len, "OS: %.*s",
os_len, os);
proto_tree_add_item(rr_tree, hf_dns_hinfo_cpu_length, tvb, cur_offset, 1, ENC_BIG_ENDIAN);
cur_offset += 1;
proto_tree_add_item(rr_tree, hf_dns_hinfo_cpu, tvb, cur_offset, cpu_len, ENC_BIG_ENDIAN);
cur_offset += cpu_len;
proto_tree_add_item(rr_tree, hf_dns_hinfo_os_length, tvb, cur_offset, 1, ENC_BIG_ENDIAN);
cur_offset += 1;
proto_tree_add_item(rr_tree, hf_dns_hinfo_os, tvb, cur_offset, os_len, ENC_BIG_ENDIAN);
/* cur_offset += os_len;*/
}
break;
@ -4069,6 +4080,26 @@ proto_register_dns(void)
FT_UINT8, BASE_HEX, NULL, 0x0,
NULL, HFILL }},
{ &hf_dns_hinfo_cpu_length,
{ "CPU Length", "dns.hinfo.cpu_length",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_dns_hinfo_cpu,
{ "CPU", "dns.hinfo.cpu",
FT_STRING, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_dns_hinfo_os_length,
{ "OS Length", "dns.hinfo.os_length",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_dns_hinfo_os,
{ "OS", "dns.hinfo.os",
FT_STRING, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_dns_rr_ns,
{ "Name Server", "dns.resp.ns",
FT_STRING, BASE_NONE, NULL, 0x0,