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
Fix CID 703472 and (external) fuzz failure 7567:
The dissect_subtlv_interface_parameters is missing the handling of BFD 2..4.
For the crash patch, we decided to add the bfd2..4 in dissect_tlc function(in
the diff). We plan to open a separate bug to fix
dissect_subtlv_interface_parameters to make it handle BFD2..4. (Thanks to Arun
Arunachalam for this analysis)
From me: fix up some indentation and replace tabs with spaces (for consistency).
svn path=/trunk/; revision=44801
Also (for a few files):
- create/use some extended value strings;
- remove unneeded #include files;
- remove unneeded variable initialization;
- re-order fcns slightly so prefs_reg_handoff...() at end, etc
svn path=/trunk/; revision=44438
- Removed some mpls preferences which are no longer relevant/needed like
decode PWAC payloads as PPP traffic and assume all channel types except 0x21
are raw BFD.
- MPLS extension from PW-ACH to MPLS Generic Associated Channel as per RFC 5586
- Updated Pseudowire Associated Channel Types as per
http://www.iana.org/assignments/pwe3-parameters
- Updated the VCCV bitmaps as per RFC 5885
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=6574
svn path=/trunk/; revision=40026
Specifically: Replace FALSE|0 and TRUE|1 by ENC_BIG_ENDIAN|ENC_LITTLE_ENDIAN as
the encoding parameter for proto_tree_add_item() calls which directly reference
an item in hf[] which has a type of:
FT_BOOLEAN
FT_IPv4
FT_EUI64
FT_GUID
FT_UINT_STRING
Also: For type FT_ITv6 use ENC_NA. (This was missed in SVN #39260)
svn path=/trunk/; revision=39328
Specifically: Replace FALSE|0 and TRUE|1 by ENC_BIG_ENDIAN|ENC_LITTLE_ENDIAN as
the encoding parameter for proto_tree_add_item() calls which directly reference
an item in hf[] which has a type of:
FT_UINT8
FT_UINT16
FT_UINT24
FT_UINT32
FT_UINT64
FT_INT8
FT_INT16
FT_INT24
FT_INT32
FT_INT64
FT_FLOAT
FT_DOUBLE
svn path=/trunk/; revision=39288
FT_NONE
FT_BYTES
FT_IPV6
FT_IPXNET
FT_OID
Note: Encoding field set to ENC_NA only if the field was previously TRUE|FALSE|ENC_LITTLE_ENDIAN|ENC_BIG_ENDIAN
svn path=/trunk/; revision=39260
Use tvb_ip_to_str() and tvb_ip6_to_str().
There's no need to pass the result of tvb_get_ptr() as the 'value' in
proto_tree_add_*(): just use proto_tree_add_item().
Replace some tvb_get_ptr()s with tvb_get_ephemeral_string()s to ensure the
return string is NULL terminated.
svn path=/trunk/; revision=35546
keys to have _uint in their names, to match the routines that handle
dissector tables with string keys. (Using _port can confuse people into
thinking they're intended solely for use with TCP/UDP/etc. ports when,
in fact, they work better for things such as Ethernet types, where the
binding of particular values to particular protocols are a lot
stronger.)
svn path=/trunk/; revision=35224
- Reindent source; cleanup whitespace;
- Remove many unneeded 'if(tree)' & similar (Tnx to Jeff Morriss for the suggestion);
- remove unneeded initializers;
- Reformat some long lines;
- Fix up some comments showing message layout;
- Localize two static global variables.
svn path=/trunk/; revision=34610
RFC 4447 describes new TLV called Generalised PWid FEC in LDP messages with the
id 0x81. This is related to PsuedoWire setup and maintenance.
Related to this, following are the TLVs which are defined in RFC 4447 and RFC 4446.
1. PW Status TLV
2. PW Interface parameters
3. PW Group TLV
From me: remove some unused variables; Mark fcn arg as unused.
svn path=/trunk/; revision=34606
(1) Trailing/leading spaces are removed from 'name's/'blurb's
(2) Duplicate 'blurb's are replaced with NULL
(3) Empty ("") 'blurb's are replaced with NULL
(4) BASE_NONE, NULL, 0x0 are used for 'display', 'strings' and 'bitmask' fields
for FT_NONE, FT_BYTES, FT_IPv4, FT_IPv6, FT_ABSOLUTE_TIME, FT_RELATIVE_TIME,
FT_PROTOCOL, FT_STRING and FT_STRINGZ field types
(5) Only allow non-zero value for 'display' if 'bitmask' is non-zero
svn path=/trunk/; revision=28770
epan/dissectors/packet-ncp2222.inc is a bit hard to fix, so we're not
ready to enable that warning by default yet.
Throw in some casts to handle GLib routines that take arbitrary
non-const pointers (they can later return the pointers, and some
callers might want to modify or free up those pointers in cases where
they're known to be writable or allocated).
Use ep_tvb_memdup() rather than a combination of ep_alloc() and
tvb_memcpy().
Clean up some indentation.
svn path=/trunk/; revision=25601
- if offset is 0, tvb_length is the same as tvb_length_remaining, just faster.
Replace
- col_append_fstr() with faster col_append_str()
- col_add_str() with col_set_str()
when it's safe
svn path=/trunk/; revision=23252
I've changed all settings I could find to TRUE. It might be reasonable to change some protocol settings back to FALSE, if reassembling fails very often.
svn path=/trunk/; revision=16048
and that extract IPv6 addresses into a "struct e_in6_addr", with
tvb_get_ipv4() and tvb_get_ipv6() calls - except for some that we
remove, by using proto_tree_add_item(), rather than replacing.
Have epan/tvbuff.h include epan/ipv6-utils.h, to define "struct
e_in6_addr" (not necessary to declare the tvbuff routines, but including
it there means "struct e_in6_addr" is guaranteed to be defined before
those declarations, so we don't get compiler complaints if we define it
*after* those declarations).
svn path=/trunk/; revision=15758