Commit Graph

11 Commits

Author SHA1 Message Date
Guy Harris 3388bde488 Instead of having a single datum attached to a conversation, have a list
of protocol-id-plus-datum pairs, so that multiple protocols can attach
information to the same conversation.

Dissectors that attach information to a conversation should not assume
that if they find a conversation it has one of its data attached to it;
the conversation might've been created by another dissector.

svn path=/trunk/; revision=3901
2001-09-03 10:33:12 +00:00
Guy Harris 8412393197 From Joerg Mayer: explicitly fill in all members of a
"header_field_info" structure, including the ones that are later set by
the routines to register fields.

svn path=/trunk/; revision=3561
2001-06-18 02:18:27 +00:00
Guy Harris 7f0aaa324d If the tvbuff pointer is null in "alloc_field_info()", get the data
source name from "pi.compat_top_tvb", which should always be set to the
tvbuff that refers to the data that old-style dissectors are currently
working on.

Arrange that it be so set in those dissectors that create alternate data
sources and call other dissectors, and also arrange that "pi.len" and
"pi.captured_len" be set appropriately as well.

svn path=/trunk/; revision=3286
2001-04-10 19:10:10 +00:00
Guy Harris a8cbb073d4 NLPID's of 0x08 and 0x09 should be labeled as Q.933 and LMI,
respectively, not Q.931 and Q.2931, in Frame Relay.

When dissecting Q.933-style multiprotocol encapsulated Frame Relay
frames, use the "osinl" dissector table to check for OSI network layer
protocols, include the NLPID in the tvbuff you hand to
"dissector_try_port()" with that dissector table, and put the NLPID into
the protocol tree as an invisible item - the NLPID is considered part of
the PDU for those protocols, so you have to include it in the tvbuff,
and the dissector will put it into the protocol tree.

Also, make sure the top-level entry for the Frame Relay protocol
includes all the bytes preceding the payload, and none of the payload
bytes.

Export a routine to do Q.933-style dissection, and have the WCP
dissector call it, rather than duplicating that code in the WCP
dissector.

Don't register OSI network layer protocols with the "fr.ietf" dissector
table; it's now sufficient to register them with the "osinl" dissector
table, as the Frame Relay dissector now checks that.

Get rid of unnecessary checks for protocols being enabled (if the
dissector is always called through handles or dissector tables, the
common code for handles and dissector tables will do the checks for
you).

Get rid of some unnecessary #includes.

svn path=/trunk/; revision=3211
2001-03-30 10:51:50 +00:00
Guy Harris 41904dc303 Add WCP to the list of Ethernet types in "etype_vals[]", and add
"compressed" to the list of NLPIDs in "nlpid_vals[]".

Use "nlpid_vals" for the Frame Relay NLPID field.

svn path=/trunk/; revision=3206
2001-03-29 08:05:07 +00:00
Guy Harris 1eadf2b520 An NLPID of 0xb0 is defined by ISO/IEC TR 9577 to be "Data compression
protocol"; give it a more generic name than NLPID_WCP.

svn path=/trunk/; revision=3204
2001-03-29 06:09:50 +00:00
Jeff Foster 963080eb33 Added the created tvbuff into the original tvbuff chain so clean-up is performed.
svn path=/trunk/; revision=3192
2001-03-26 18:55:27 +00:00
Guy Harris d0ac50e4e7 Add "volatile" qualifiers so that variables survive a setjmp/longjmp
operation.

svn path=/trunk/; revision=3175
2001-03-23 21:58:37 +00:00
Guy Harris 5632391770 Pull the NLPID for Wellfleet compression into "nlpid.h".
svn path=/trunk/; revision=3173
2001-03-23 21:49:23 +00:00
Jeff Foster 41a89b2b91 Fixed problem in wcp_uncompress. If the proto_tree was null the program
would segfault when creating the sub-tree.

svn path=/trunk/; revision=3170
2001-03-23 20:47:17 +00:00
Jeff Foster c400685ad6 Updated the frame relay dissector - dissect-fr.c
Added the LMI dissector for frame relay - dissect-lmi.c
Added Wellfleet compression dissector - dissect-wcp.c

svn path=/trunk/; revision=3168
2001-03-23 19:22:02 +00:00