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dynamically-assigned "ett_" integer values, assigned by
"proto_register_subtree_array()"; this:
obviates the need to update "packet.h" whenever you add a new
subtree type - you only have to add a call to
"proto_register_subtree_array()" to a "register" routine and an
array of pointers to "ett_", if they're not already there, and
add a pointer to the new "ett_" variable to the array, if they
are there;
would allow run-time-loaded dissectors to allocate subtree types
when they're loaded.
svn path=/trunk/; revision=1043
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svn path=/trunk/; revision=856
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the base for numbers to be displayed in, bitmasks for bitfields, and blurbs
(which are one or two sentences describing the field).
proto_tree_add*() routines now automatically handle bitfields. You tell
it which header field you are adding, and just pass it the value of the
entire field, and the proto_tree routines will do the masking and shifting
for you.
This means that bitfields are more naturally filtered via dfilter now.
Added Phil Techau's support for signed integers in dfilters/proto_tree.
Added the beginning of the SNA dissector. It's not complete, but I'm
committing it now because it has example after example of how to use
bitfields with the new header_field_info struct and proto_tree routines.
It was the impetus to change how header_field_info works.
svn path=/trunk/; revision=815
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specified number of bytes of captured data in the frame at the specified
offset, and a "IS_DATA_IN_FRAME()" macro, to test whether there are any
bytes of captured data in the frame at the specified offset, and convert
some bounds checks to use them.
Add a dissector for the Internet Printing Protocol.
svn path=/trunk/; revision=685
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them with "proto_tree_add_item()" rather than "proto_tree_add_text()"
when adding them to the subtree for a TLV item.
svn path=/trunk/; revision=572
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Don't treat the CDP header as an in-memory data structure; that might
cause problems if it's not aligned on a 2-byte boundary.
Make the type and length fields of a TLV unsigned.
Correctly check for the end of the (captured part of the) frame.
Show most TLVs as "expandable" entries, where they expand into type,
length, and data entries.
Dissect "unknown" TLVs.
svn path=/trunk/; revision=571
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Fixed the default case in the packet-cdp while() statement to look for
non-zero offsets. I should fix the other cases where offset += length.
Meanwhile, however, I added cdp.tlv.type and cdp.tlv.len as two filterable
fields so that one can use "cdp.tlv.len == 0" as a display filter to
find the packet that was causing problems.
svn path=/trunk/; revision=568
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allowing users to filter on the existence of these protocols. I also
added packet-clip.c to the Nmake makefile.
svn path=/trunk/; revision=402
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mechanism that is built into ethereal. Wiretap is now used to read all
file formats. Libpcap is used only for capturing.
svn path=/trunk/; revision=342
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reference the protocol tree with struct proto_tree and struct proto_item
objects. That way, the packet decoding source code file can be used with
non-gtk packet decoders, like a curses-based ethereal, e.g. I also re-arranged
some of the information in packet.h to more appropriate places (like other
packet-*.[ch] files).
svn path=/trunk/; revision=223
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svn path=/trunk/; revision=197
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Cisco Discovery Protocol works fine for me now. I have tested it with various
Ciscos (7200, 3640, 2820, 2900, ...)
svn path=/trunk/; revision=175
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boundaries, so use "pntohs()" to extract data from them, so that you
don't do unaligned accesses (which some processors don't handle).
Put the "IOS version" field out as multiple tree items, one per line of
text in the version description.
Use "memset()" rather than "bzero()" - "memset()" is used elsewhere, and
we already include the header file that declares it.
Use "ip_to_str()" rather than "inet_ntoa()" to display IP addresses as
text; that's what's used elsewhere in Ethereal.
svn path=/trunk/; revision=161
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-> this works for all CDP packets I've got
some minor additions will follow
svn path=/trunk/; revision=156
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I think I figured out how CDP works :) ----
svn path=/trunk/; revision=155
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switches -> dissect_cdp stops a bit earlier... (preventing errors)
I have added the line "under development" to the CDP tree
svn path=/trunk/; revision=154
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Added Ethernet Loopback Protocol Type to ethertype.c
svn path=/trunk/; revision=129
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