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Change-Id: I3dc57f4c2ca57585103e3b71503ac4c332903e50
Reviewed-on: https://code.wireshark.org/review/4594
Reviewed-by: Bill Meier <wmeier@newsguy.com>
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(Using sed : sed -i '/^ \* \$Id\$/,+1 d')
Fix manually some typo (in export_object_dicom.c and crc16-plain.c)
Change-Id: I4c1ae68d1c4afeace8cb195b53c715cf9e1227a8
Reviewed-on: https://code.wireshark.org/review/497
Reviewed-by: Anders Broman <a.broman58@gmail.com>
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svn path=/trunk/; revision=53230
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distinguish them from dissector filters.
This was committed now to get it into the 1.11 release so users can start getting used to the changed filter names.
svn path=/trunk/; revision=52462
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expert_add_info_format.
svn path=/trunk/; revision=51853
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sure if "malformed.expert" is more confusing than helpful, but I didn't want it to share with the "malformed" display filter because their underlying types are different (FT_PROTOCOL vs FT_NONE). The ".expert" has been my convention when a condition already has a well-named hf_ display filter, but also has expert info associated with it.
Also removed the commented out calls to expert_add_info_format to avoid confusion, but left the comments noting the reason it's absent.
svn path=/trunk/; revision=51842
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svn path=/trunk/; revision=50325
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FragmentBoundsError.
svn path=/trunk/; revision=48946
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as overflows in offsets, where the error presumably was that some field
size was so bogusly huge that it overflowed 32 bits; that's a malformed
packet even if the packet wasn't reassembled.
svn path=/trunk/; revision=48945
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first fragment of a non-reassembled packet, and we know the length the
packet would have if it were reassembled, this field holds the length of
the fragment, and the "reported length" field shows the length the
packet would have if it were reassembled, so going past the end of the
fragment but staying within the length of the reassembled packet can be
reported as "dissection would have worked if the packet had been
reassembled" rather than "the packet is too short, so it was probably
malformed".
Add a FragmentBoundsError exception, thrown in the "dissection would
have worked if the packet had been reassembled" case.
Add a new tvb_new_subset_length_fragment() routine to create a new
subset tvb with specified fragment and reported lengths. Use it in the
CLNP dissector.
Add some more sanity checks in the CLNP dissector.
svn path=/trunk/; revision=48917
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instead of using DISSECTOR_ASSERT. When a dissector passes bad data to the
reassembly machine, that isn't necessarily the dissector's fault - the data may
come straight from the packet, and the dissector may not have enough information
to know it's bad without telling the reassembly machine in the first place.
Also fix a bug in the reassembly machine. If it were given a fragment and all of
the following conditions were met:
- the other associated fragments were already marked as done (reassembled)
- the fragment went beyond the end of the conceptual reassembled buffer
- the dissector had not set the PARTIAL_REASSEMBLY flag
then the reassembly machine would incorrectly think there was an overlap and
run past the end of the already-reassembled buffer.
Should fix the rest of
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=8380
#BACKPORT
This is probably too big and intrusive to backport directly, and parts of it
will need adapting anyways since reassemble.c has changed. But the bug exists
and crashes in 1.6 and 1.8, so we'll have to do something.
svn path=/trunk/; revision=48011
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epan/show_exception.c, as it's used outside
epan/dissectors/packet-frame.c. Update their callers to include
<epan/show_exception.h> to get their declaration.
Add a CATCH_NONFATAL_ERRORS macro that catches all exceptions that, if
there's more stuff in the packet to dissect after the dissector call
that threw the exception, doesn't mean you shouldn't go ahead and
dissect that stuff. Use it in all those cases, including ones where
BoundsError was inappropriately being caught (you want those passed up
to the top level, so that the packet is reported as having been cut
short in the capture process).
Add a CATCH_BOUNDS_ERRORS macro that catches all exceptions that
correspond to running past the end of the data for a tvbuff; use it
rather than explicitly catching those exceptions individually, and
rather than just catching all exceptions (the only place that
DissectorError should be caught, for example, is at the top level, so
dissector bugs show up in the protocol tree).
Don't catch and then immediately rethrow exceptions without doing
anything else; just let the exceptions go up to the final catcher.
Use show_exception() to report non-fatal errors, rather than doing it
yourself.
If a dissector is called from Lua, catch all non-fatal errors and use
show_exception() to report them rather than catching only
ReportedBoundsError and adding a proto_malformed item.
Don't catch exceptions when constructing a trailer tvbuff in
packet-ieee8023.c - just construct it after the payload has been
dissected, and let whatever exceptions that throws be handled at the top
level.
Avoid some TRY/CATCH/ENDTRY cases by using checks such as
tvb_bytes_exist() before even looking in the tvbuff.
svn path=/trunk/; revision=47924
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