| Bug ID |
9941
|
| Summary |
incorrect notion of OSPFv3 AT-bit
|
| Classification |
Unclassified
|
| Product |
Wireshark
|
| Version |
Git
|
| Hardware |
All
|
| URL |
http://www.iana.org/assignments/ospfv3-parameters/ospfv3-parameters.xhtml#ospfv3-parameters-1
|
| OS |
All
|
| Status |
UNCONFIRMED
|
| Severity |
Minor
|
| Priority |
Low
|
| Component |
Dissection engine (libwireshark)
|
| Assignee |
[email protected]
|
| Reporter |
[email protected]
|
Build Information:
Paste the COMPLETE build information from "Help->About Wireshark", "wireshark
-v", or "tshark -v".
--
Wireshark treats bit 0x000400 of OSPFv3 options as bit "I", which does not
exist. 0x000400 is bit "AT" (authentication trailer). The source code requires
a fix along the lines below (I haven't compile-tested it!):
--- a/epan/dissectors/packet-ospf.c
+++ b/epan/dissectors/packet-ospf.c
@@ -122,7 +122,7 @@ static const value_string auth_vals[] = {
#define OSPF_V3_OPTIONS_DC 0x20
#define OSPF_V3_OPTIONS_AF 0x0100
#define OSPF_V3_OPTIONS_L 0x0200
-#define OSPF_V3_OPTIONS_I 0x0400
+#define OSPF_V3_OPTIONS_AT 0x0400
#define OSPF_V3_OPTIONS_F 0x0800
/* Bitmask definitions for the informational capabilities bits. */
@@ -3545,8 +3545,8 @@ proto_register_ospf(void)
{ "L", "ospf.v3.options.l", FT_BOOLEAN, 24,
TFS(&tfs_v3_options_l), OSPF_V3_OPTIONS_L, NULL, HFILL }},
{&hf_ospf_filter[OSPFF_V3_OPTIONS_I],
- { "I", "ospf.v3.options.i", FT_BOOLEAN, 24,
- TFS(&tfs_v3_options_i), OSPF_V3_OPTIONS_I, NULL, HFILL }},
+ { "AT", "ospf.v3.options.at", FT_BOOLEAN, 24,
+ TFS(&tfs_v3_options_at), OSPF_V3_OPTIONS_AT, NULL, HFILL }},
{&hf_ospf_filter[OSPFF_V3_OPTIONS_F],
{ "F", "ospf.v3.options.f", FT_BOOLEAN, 24,
TFS(&tfs_v3_options_f), OSPF_V3_OPTIONS_F, NULL, HFILL }},
Thank you.
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