BGP bad decoding for Graceful Restart Capability with only helper support
BGP Capability in OPEN message: Graceful restart capability (64).
So when the length of the capability value is smaller that 6 (6 meaning full
support of GR capa, with significants elements and at least one AFI/SAFI), the
code interprets it as erroneous.
However,as described in RFC4724: " When a sender of this capability does not
include any <AFI, SAFI> in the capability, it means that the sender is not
capable of preserving its forwarding state during BGP restart, but supports
procedures for the Receiving Speaker (as defined in Section 4.2 of this
document). In that case, the value of the Restart Time field advertised by the
sender is irrelevant".
So, length of exactly 2 is valid but has to be interpreted with a particular
meaning.
In the dissector code, a length of 2 should be a special case for this capa,
decoding as "Graceful Restart helper mode only" or something like that, and
maybe also displaying an expert message if the Restart flag is not 0 in this
case, since here it's not expected to be possible.
svn path=/trunk/; revision=45216
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
Merge .h files into .c files since .h files unused elsewhere;
Do whitespace, indentation & formatting cleanup.
packet-acn.c:
Fix 2 minor bugs wherein subtree not displayed in packet-details
because tree variable used in proto_tree_add_text() always NULL.
svn path=/trunk/; revision=42647
* Make field filterable (3 proto_tree_add_text less ! but there are still 147 proto_tree_add_text...)
* Remove bgp_notify struct
* Use expert info to display a unknown error type
svn path=/trunk/; revision=40987
I've updated the bgp dissector code to support the mcast-vpn nlri. These nlri's
are used to implement multicast vpn (mvpn) and are fully described in
draft-ietf-l3vpn-2547bis-mcast-bgp-08.txt (section 4).
svn path=/trunk/; revision=39549
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
* Make field filterable
* Remove bgp_open struct
* Fix a bug of offset in Optionnel Parameter TLV (Bug include by me in Revision #39098)
svn path=/trunk/; revision=39321
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
Fix a wrong offset of RD Type 2 and display AS4 in asdot+ notation (Add a pref to chose the type of display for AS4 ?)
svn path=/trunk/; revision=39097
In some BGP captures the AS_PATH attribute was decode wrong, if the asn length determines automatically
From me:
Fix some whitespace...
Fix error: ‘for’ loop initial declarations are only allowed in C99 mode
Replace unsigned by guint
svn path=/trunk/; revision=38723
Malformed Packet in decode for BGP-AD (autodiscovery) update (RFC6074)
From me:
Add support of RFC6074 (BGP-AD) in BGP dissector.
Both BGP-AD and VPLS-BGP (RFC4761) use the same AFI/SAFI, The NLRI length must be used as a demultiplexer. (See RFC6074 Section 7 : BGP-AD and VPLS-BGP Interoperability)
svn path=/trunk/; revision=38601
Wireshark doesn't decode BGP.MP_REACH_NLRI.NLRI when RD type is 2(defined in
RFC4364:4.2)
From me:
Add RD type 2 (FORMAT_AS4_LOC) (not tested... based only on RFC spec..)
svn path=/trunk/; revision=38589
Some fixes for 'set but not used' errors that GCC 4.6 emits.
From me:
#include <stdlib.h> not req'd;
Do some whitespace cleanup.
svn path=/trunk/; revision=36906
Apply rev 25869 to most of the rest of the TCP-desegmenting dissectors.
(The SSL dissector was already updated in one of two spots with bug 4535/rev
32456.)
A couple of the patches had to be manually applied.
From me: Fix the comments to match the change (including in the TCP and SSL
dissectors.)
svn path=/trunk/; revision=36332
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
This is necessary in case a subdissector had changed it but was unable to
restore it (due to the exception).
Remove check_col().
svn path=/trunk/; revision=34436
(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
The CoS Capability extended community has been changed to a transitive ext. community
and was reassigned an IANA type number. It has changed from 0x40 to 0x05.
see: http://www.iana.org/assignments/bgp-extended-communities
svn path=/trunk/; revision=28467
- New dissector for CoS Capability attributes added
- tiny changes in my committed dissector for QoS Marking attributes
svn path=/trunk/; revision=27232
- 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
The MP_REACH_NLRI (and MP_UNREACH_NLRI) parser incorrectly increments a buffer
offset. Any attributes following will be skipped and/or parsed incorrectly.
No security problem I see - the bounds are checked before parsing each attribute.
svn path=/trunk/; revision=22598
The expression (BGP_OSPF_RTYPE_EXT ||BGP_OSPF_RTYPE_NSSA) will always
evaluate to 1. As well, neither of these constants are defined as flag
values, so a bitwise op was probably not intended either.
svn path=/trunk/; revision=19444
attached a patch for the BGP dissector for correct display of
VPLS NLRIs as per the latest spec (draft-ietf-l2vpn-vpls-bgp-08).
svn path=/trunk/; revision=18638
Please find enclosed a patch for the BGP dissector.
A 0 length IP address is valid in NLRI dissection. It just means "0/0 address".
svn path=/trunk/; revision=17634
length_remaining could become -1 and if so the next tvb access (tvb_memcpy()) would cause an exception. not really an ethereal since it would have no ill effects in reality.
change !=0 to >0 to make it more clear what we actually test.
svn path=/trunk/; revision=17528
mp_addr_to_str was unnecessary 'complex' - simplified it
packet-dns.c: Fix incorrect use of g_snprintf return value
packet-dcm.c: Fix incorrect use of g_snprintf return value
Someone who understands the protocol should look at the
"vr, tr might be used uninitialized..." warning.
packet-x11.c: Fix incorrect use of g_snprintf return value
packet-kerberos.c: Fix incorrect use of g_snprintf return value
Someone should take a look at the
"longjump might clobber ..." messages
packet-diameter.c: Fix incorrect use of g_snprintf return value
Get rid of unsigned < 0 check
packet-pgm.c: Fix incorrect use of g_snprintf return value
packet-nbns.c: Fix incorrect use of g_snprintf return value
packet-winsrepl.c: Collateral damage to packet-nbns.c fix
packet-netbios.c: Collateral damage to packet-nbns.c fix
packet-netbios.h: Collateral damage to packet-nbns.c fix
packet-kerberos.c: Collateral damage to packet-nbns.c fix
packet-nbipx.c: Collateral damage to packet-nbns.c fix
svn path=/trunk/; revision=17065
fixes the AF/SAFI codepoints
for BGP Layer-2 VPNs from a Juniper pre-standard implementation to the new "official" IANA assigned codepoints.
From Julian Onions
packet-rmt-norm.ch Decode more oif the protocol
svn path=/trunk/; revision=16183
calls to "tvb_get_ipv4()" and "tvb_get_ipv6()".
Fix a call in the BGP dissector to properly fetch an IEEE floating-point
number.
Update some I-D info.
svn path=/trunk/; revision=15774
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
-use g_snprintf instead of sprintf and snprintf
-use g_strdup_printf where appropriate
-remove #include "snprintf.h" (as only g_snprintf should be used)
-replace some more alloc/realloc/calloc/free with their glib pendants
svn path=/trunk/; revision=15264
add a "match_strval_idx()" routine that does the same thing, and have
"match_strval()" call it.
Make those routines, and "val_to_str()", return a "const" pointer.
Update dissectors as necessary to squelch compiler warnings produced by
that.
Use "val_to_str()" rather than using "match_strval()" and then, if the
result is null, substituting a specific string. Clean up some other
"match_strval()"/"val_to_str()" usages.
Add a null pointer check in the NDPS dissector's "attribute_value()"
routine, as it's not clear that "global_attribute_name" won't be null at
that point.
Make some global variables in the AFS4INT dissector local.
Make some routines not used outside the module they're in static.
Make some tables "static const".
Clean up white space.
Fix Gerald's address in some files.
svn path=/trunk/; revision=14786
o BGPv4 SAFI-Specific Attribute support
- draft-kapoor-nalawade-idr-bgp-ssa-00.txt
o Tunnel SAFI support for BGP
- draft-nalawade-kapoor-tunnel-safi-02.txt
o Small length fix
svn path=/trunk/; revision=12977
o Fix EXTENDED_COMMUNITIES output that was appending the Carried
Extended communities; fix BGP_EXT_COM_L2INFO was not appending to the
bgpext_com_type
o Update various text with the specific afi/safi
o Decode fields in MP Reach NLRI for labeled VPNv4 and labeled IPv4
(and small offset fix for the latter)
o Decode unknown address family in MP Reach NLRI
svn path=/trunk/; revision=12165
I (hopefully) didn't changed any protocol fields or preference file names, but only the GUI labels appearing in the protocol display and the protocol preferences.
Also added a note to the protocol preferences (where appropriate), that you have to enable "Allow subdissectors to reassemble TCP streams" at the corresponding protocol settings for TCP reassembling to take effect.
If you encounter any mistakes I've made here, please let me know...
svn path=/trunk/; revision=11784
Also move ncp222.py, x11-fields, process-x11-fields.pl,
make-reg-dotc, and make-reg-dotc.py.
Adjust #include lines in files that include packet-*.h
files.
svn path=/trunk/; revision=11410
Alexis La Goutte