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support dissecting of v6 VPN NLRIs;
fix a little bug for displaying v4 nexthops using type 1 RD
style [dissecting started at wrong offset].
git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@6561 f5534014-38df-0310-8fa8-9805f1628bb7
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messages.
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instead of copying them into a struct. Remove the "bgp" struct, as it is
no longer used. Gracefuly (more than before, at least) handle a zero
packet length.
git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@6421 f5534014-38df-0310-8fa8-9805f1628bb7
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Add BGP output to randpkt.
git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@6420 f5534014-38df-0310-8fa8-9805f1628bb7
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infinite loop caused by a malformed packet.
git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@6392 f5534014-38df-0310-8fa8-9805f1628bb7
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winapi_cleanup tool written by Patrik Stridvall for the wine
project.
git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@6117 f5534014-38df-0310-8fa8-9805f1628bb7
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open up a subtree when decoding l2info extd communities;
some bugfixes in the extd community dissector.
git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@6098 f5534014-38df-0310-8fa8-9805f1628bb7
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more complete support for L2VPNs as described in
draft-kompella-ppvpn-l2vpn;
fix a segfault in the extd_community decoder;
more consistent SAFI strings (tcpdump);
more robust V6 decoding (the assumption that v6 may come
only in unlabeled form is wrong :-|)
git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@6093 f5534014-38df-0310-8fa8-9805f1628bb7
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AFNUM_INET6.
Properly check for "mp_addr_to_str()" indicating that it doesn't know
the address family being parsed.
git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@6082 f5534014-38df-0310-8fa8-9805f1628bb7
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Basic support for AFI & Extd communities in
draft-kompella-ppvpn-l2vpn
More robust handling for unknown AFIs in BGP MP(UN)REACH NLRIs
Fix typos.
git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@6079 f5534014-38df-0310-8fa8-9805f1628bb7
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a small fix for displaying unrecognized capabilities;
ORF support (draft-ietf-idr-route-filter-06.txt).
git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@5998 f5534014-38df-0310-8fa8-9805f1628bb7
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it.
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equivalents for the toplevel directory. The removal of winsock2.h will
hopefully not cause any problems under MSVC++, as those files using
struct timeval still include wtap.h, which still includes winsock2.h.
git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@5932 f5534014-38df-0310-8fa8-9805f1628bb7
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Add some additional bounds checking to "decode_MPLS_stack()" so as not
to overflow the buffer handed to it.
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Communities attribute in a BGP Update message.
Also, get rid of an extra space before a colon in the display for that
attribute, which isn't in other attributes.
git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@4732 f5534014-38df-0310-8fa8-9805f1628bb7
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are in the reserved region (which also fixes a bug where we weren't
printing the value for the NO_ADVERTISE community correctly).
git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@4638 f5534014-38df-0310-8fa8-9805f1628bb7
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"epan/..." pathnames, so as to avoid collisions with header files in any
of the directories in which we look (e.g., "proto.h", as some other
package has its own "proto.h" file which it installs in the top-level
include directory).
Don't add "-I" flags to search "epan", as that's no longer necessary
(and we want includes of "epan" headers to fail if the "epan/" is left
out, so that we don't re-introduce includes lacking "epan/").
git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@4586 f5534014-38df-0310-8fa8-9805f1628bb7
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Collapse the two loops through the TCP segment into one.
Use "tvb_reported_length()", not "tvb_length()", to find out how big the
TCP segment is ("tvb_length()" says how much of it was captured, not how
much of it there is).
git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@4557 f5534014-38df-0310-8fa8-9805f1628bb7
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has the "extended length" flag set - the starting offset of the list
depends on whether the "extended length" bit was set or not.
git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@4544 f5534014-38df-0310-8fa8-9805f1628bb7
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structure to the "packet_info" structure; only stuff that's permanently
stored with each frame should be in the "frame_data" structure, and the
"column_info" structure is not guaranteed to hold the column values for
that frame at all times - it was only in the "frame_data" structure so
that it could be passed to dissectors, and, as all dissectors are now
passed a pointer to a "packet_info" structure, it could just as well be
put in the "packet_info" structure.
That saves memory, by shrinking the "frame_data" structure (there's one
of those per frame), and also lets us clean up the code a bit.
git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@4370 f5534014-38df-0310-8fa8-9805f1628bb7
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take a dissector handle as an argument, rather than a pointer to a
dissector function and a protocol ID. Associate dissector handles with
dissector table entries.
git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@4308 f5534014-38df-0310-8fa8-9805f1628bb7
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Message bug fix, in BGP, from Motonori Shindo.
git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@4142 f5534014-38df-0310-8fa8-9805f1628bb7
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have two independent "value_string" tables mapping RFC 1700 address
family numbers to names, nor is there any need to have the BGP dissector
and the PIM dissector have two independent sets of #defines for RFC 1700
address family numbers; put a single "value_string" table in "afn.c" and
put a declaration of it, and #defines for the address family numbers,
into "afn.h", and have the dissectors use that.
Move the #define for PGM into "ipproto.h", and add an entry for it in
the "value_string" table in "ipproto.c".
Have the PGM dissector use the standard Ethereal mechanisms for
resolving addresses, and have it use "value_string" tables for mapping
option types, the OPX bits, and packet types to strings. Use
"bytes_to_str()" to turn byte arrays into strings of hex digits. Pass
the packet type string to "dissect_pgmopts()" as an argument, rather
than making it a global. Don't use "proto_tree_add_XXX_format" routines
if you can possibly just use "proto_tree_add_XXX"; give various fields
the correct radix and type, and VALS() strings if necessary, to make
that happen (and to make filtering on them more pleasant). Put the
type, length, and total length of the options into the protocol tree as
separate fields. Don't have separate type, length, and OPX fields for
every type of option; one field will suffice. Don't format a string
with "sprintf()" and then pass that string to "col_add_fstr()" with a
format of "%s" and the string as an argument - "col_add_fstr()" can
format strings itself (that's what the "f" stands for). Don't byte-swap
and then un-byte-swap IPv4 address fields in the header, just leave them
network byte order to start with. Use the correct fields for
"proto_tree_add_XXX", rather than using the same field multiple times.
Quit early if an address family identifier isn't AFNUM_INET, as that
means the structure we use to dissect the header doesn't match the
actual header.
git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@3761 f5534014-38df-0310-8fa8-9805f1628bb7
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not all compilers let you define an array with no explicit length and no
initializers.
git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@3670 f5534014-38df-0310-8fa8-9805f1628bb7
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extended communities, from Aamer Akhter.
git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@3667 f5534014-38df-0310-8fa8-9805f1628bb7
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suggests, and that RFC 2858 obsoletes RFC 2283 which says you can,
doesn't matter - Ethereal's job isn't to enforce protocol standards or
to refuse to dissect stuff that doesn't conform to the final version of
standards; if it can dissect stuff that's now illegal but that wasn't
illegal in the past, and do so without causing problems when dissecting
currently legal stuff, it should so so, so that if you have captures
that include now-illegal stuff (perhaps from old devices that haven't
been upgraded, or from old captures), you can still see what was
happening.
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attribute.
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"header_field_info" structure, including the ones that are later set by
the routines to register fields.
git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@3561 f5534014-38df-0310-8fa8-9805f1628bb7
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BGPTYPE_MP_REACH_NLRI stuff; dissect all of them.
git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@3553 f5534014-38df-0310-8fa8-9805f1628bb7
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"char *" variable, not to the size of the buffer to which it points.
git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@3552 f5534014-38df-0310-8fa8-9805f1628bb7
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dissector is called only through a handle or dissector table, the code
that handles those calls sets it for you.
git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@3480 f5534014-38df-0310-8fa8-9805f1628bb7
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<bgp4news@yahoo.com>.
git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@3416 f5534014-38df-0310-8fa8-9805f1628bb7
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Fix up Gerald's e-mail address.
git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@3371 f5534014-38df-0310-8fa8-9805f1628bb7
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statements.
Move the setting of the Protocol column in various dissectors before
anything is fetched from the packet, and also clear the Info column at
that point in those and some other dissectors, so that if an exception
is thrown, the columns don't reflect the previous protocol.
Make the IP dissector static, as it's called only via dissector tables
or dissector handles. Also make the "dissect the TOS field as the
DiffServ DS field" flag static, as it's not referred to outside of
"packet-ip.c".
In the NCP dissector, refer to the port type through "pinfo" rather than
through the global "pi", as it's a tvbuffified dissector.
git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@2929 f5534014-38df-0310-8fa8-9805f1628bb7
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"{old_}heur_dissector_add()", "{old_}conv_dissector_add()", and
"register_dissector()", so that an entry in those tables has associated
with it the protocol index of the protocol the dissector handles (or -1,
if there is no protocol index for it).
This is for future use in a number of places.
(Arguably, "proto_register_protocol()" should take a dissector pointer
as an argument, but
1) it'd have to handle both regular and heuristic dissectors;
2) making it take either a "dissector_t" or a union of that and
a "heur_dissector_t" introduces some painful header-file
interdependencies
so I'm punting on that for now. As with other Ethereal internal APIs,
these APIs are subject to change in the future, at least until Ethereal
1.0 comes out....)
git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@2849 f5534014-38df-0310-8fa8-9805f1628bb7
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protocols, in addition to adding structures to the list of filterable
fields. Give it an extra argument that specifies a "short name" for the
protocol, for use in such places as
pinfo->current_proto;
the dialog box for constructing filters;
the preferences tab for the protocol;
and so on (although we're not yet using it in all those places).
Make the preference name that appears in the preferences file and the
command line for the DIAMETER protocol "diameter", not "Diameter"; the
convention is that the name in question be all-lower-case.
Make some routines and variables that aren't exported static.
Update a comment in the ICP dissector to make it clear that the
dissector won't see fragments other than the first fragment of a
fragmented datagram.
git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@2810 f5534014-38df-0310-8fa8-9805f1628bb7
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>RFC2385 (Protection of BGP Sessions via the TCP MD5 Signature Option).
From: Greg Hankins <gregh@twoguys.org>
git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@2791 f5534014-38df-0310-8fa8-9805f1628bb7
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Greg Hankins <gregh@twoguys.org>
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can be put, and a pointer to the string for the column, which might or
might not point to that buffer.
Add a routine "col_set_str()", which sets the string for the column to
the string passed to it as an argument; it should only be handed a
static string (a string constant would be ideal). It doesn't do any
copying, so it's faster than "col_add_str()".
Make the routines that append to columns check whether the pointer to
the string for the column points to the buffer for the column and, if
not, copy the string for the column to the buffer for the column so that
you can append to it (so you can use "col_set_str()" and then use
"col_append_str()" or "col_append_fstr()").
Convert a bunch of "col_add_str()" calls that take a string constant as
an argument to "col_set_str()" calls.
Convert some "col_add_fstr()" calls that take a string constant as the
only argument - i.e., the format string doesn't have any "%" slots into
which to put strings for subsequent arguments to "col_set_str()" calls
(those calls are just like "col_add_str()" calls).
Replace an END_OF_FRAME reference in a tvbuffified dissector with a
"tvb_length(tvb)" call.
git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@2670 f5534014-38df-0310-8fa8-9805f1628bb7
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working as display filter...
- add display filters.
git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@2310 f5534014-38df-0310-8fa8-9805f1628bb7
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the following:
It is now possible to enable/disable a particular protocol decoding
(i.e. the protocol dissector is void or not). When a protocol
is disabled, it is displayed as Data and of course, all linked
sub-protocols are disabled as well.
Disabling a protocol could be interesting:
- in case of buggy dissectors
- in case of wrong heuristics
- for performance reasons
- to decode the data as another protocol (TODO)
Currently (if I am not wrong), all dissectors but NFS can be disabled
(and dissectors that do not register protocols :-)
I do not like the way the RPC sub-dissectors are disabled (in the
sub-dissectors) since this could be done in the RPC dissector itself,
knowing the sub-protocol hfinfo entry (this is why, I've not modified
the NFS one yet).
Two functions are added in proto.c :
gboolean proto_is_protocol_enabled(int n);
void proto_set_decoding(int n, gboolean enabled);
and two MACROs which can be used in dissectors:
OLD_CHECK_DISPLAY_AS_DATA(index, pd, offset, fd, tree)
CHECK_DISPLAY_AS_DATA(index, tvb, pinfo, tree)
See also the XXX in proto_dlg.c and proto.c around the new functions.
git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@2267 f5534014-38df-0310-8fa8-9805f1628bb7
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- add <stdarg.h> or <varargs.h> in snprintf.h
and remove those inclusions in the other #ifdef NEED_SNPRINTF_H codes
- remove the check of multiple inclusions in source (.c) code
(there is a bit loss of _cpp_ performance, but I prefer the gain of
code reading and maintenance; and nowadays, disk caches and VM are
correctly optimized ;-).
- protect all (well almost) header files against multiple inclusions
- add header (i.e. GPL license) in some include files
- reorganize a bit the way header files are included:
First:
#include <system_include_files>
#include <external_package_include_files (e.g. gtk, glib etc.)>
Then
#include "ethereal_include_files"
with the correct HAVE_XXX or NEED_XXX protections.
- add some HAVE_XXX checks before including some system header files
- add the same HAVE_XXX in wiretap as in ethereal
Please forgive me, if I break something (I've only compiled and regression
tested on Linux).
git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@2254 f5534014-38df-0310-8fa8-9805f1628bb7
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dissectors to be registered as dissectors for particular ports,
registered as heuristic dissectors, and registered as dissectors for
conversations, and have routines to be used both by old-style and
new-style dissectors to call registered dissectors.
Have the code that calls those dissectors translate the arguments as
necessary. (For conversation dissectors, replace
"find_conversation_dissector()", which just returns a pointer to the
dissector, with "old_try_conversation_dissector()" and
"try_conversation_dissector()", which actually call the dissector, so
that there's a single place at which we can do that translation. Also
make "dissector_lookup()" static and, instead of calling it and, if it
returns a non-null pointer, calling that dissector, just use
"old_dissector_try_port()" or "dissector_try_port()", for the same
reason.)
This allows some dissectors that took old-style arguments and
immediately translated them to new-style arguments to just take
new-style arguments; make them do so. It also allows some new-style
dissectors not to have to translate arguments before calling routines to
look up and call dissectors; make them not do so.
Get rid of checks for too-short frames in new-style dissectors - the
tvbuff code does those checks for you.
Give the routines to register old-style dissectors, and to call
dissectors from old-style dissectors, names beginning with "old_", with
the routines for new-style dissectors not having the "old_". Update the
dissectors that use those routines appropriately.
Rename "dissect_data()" to "old_dissect_data()", and
"dissect_data_tvb()" to "dissect_data()".
git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@2218 f5534014-38df-0310-8fa8-9805f1628bb7
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Add exceptions routines.
Convert proto_tree_add_*() routines to require tvbuff_t* argument.
Convert all dissectors to pass NULL argument ("NullTVB" macro == NULL) as
the tvbuff_t* argument to proto_tree_add_*() routines.
dissect_packet() creates a tvbuff_t, wraps the next dissect call in
a TRY block, will print "Short Frame" on the proto_tree if a BoundsError
exception is caught.
The FDDI dissector is converted to use tvbuff's.
git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@1939 f5534014-38df-0310-8fa8-9805f1628bb7
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