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values of the various BSDs that support DLT_NULL, but those aren't
necessarily the AF_ values on the machine on which you're building
Ethereal), so we don't need to include it.
svn path=/trunk/; revision=5942
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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.
svn path=/trunk/; revision=5932
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Darwin/MacOS X. (As if FreeBSD and {Net,Open}BSD having different
AF_INET6 values wasn't enough, we have The Other BSD having its own
value....)
svn path=/trunk/; revision=5914
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but for stuff reassembled with "fragment_add_seq()" or
"fragment_add_seq_check()".
Add a "fragment tag" string to the "fragment_items", so that packets
with fragmentation errors can be properly flagged as having "Illegal
fragments" or "Illegal segments" depending on the term used with the
protocol in question.
Make all the dissectors that can use "show_fragment_tree()" or
"show_fragment_seq_tree()", and don't already use them, do so.
svn path=/trunk/; revision=5644
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in the "packet_info" structure instead, as we don't need a pointer for
every single frame in the capture file, just for each frame for which we
currently have an open "epan_dissect_t".
svn path=/trunk/; revision=5614
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svn path=/trunk/; revision=5363
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Info column information about the non-final headers seen in the packet
(or leave the information put in there by the AH dissector alone, if
there were AH's), or, if none were seen, just mark it as a "no next
header" packet, and do that in the code used if there's no match for the
next header value in the protocol table, rather than registering a
dissector for "no next header", which also means we'll dissect the
payload as data if there is any.
Use -1, not "tvb_reported_length_remaining()", when making a subset
tvbuff that runs to the end of the parent tvbuff.
svn path=/trunk/; revision=5353
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top-level item correspond to the reassembled data, and make the item for
each fragment/segment correspond to the part of that reassembled data
that came from that fragment/segment.
svn path=/trunk/; revision=5025
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protocol that fragmented them, rather than just calling them
"Reassembled". Do the same with uncompressed WCP data.
svn path=/trunk/; revision=4822
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"data source" has a name and a top-level tvbuff, and frames can have a
list of data sources associated with them.
Use the tvbuff pointer to determine which data source is the data source
for a given field; this means we don't have to worry about multiple data
sources with the same name - the only thing the name does is label the
notebook tab for the display of the data source, and label the hex dump
of the data source in print/Tethereal output.
Clean up a bunch of things discovered in the process of doing the above.
svn path=/trunk/; revision=4749
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longer contains length fields, so there's no need to pass a "packet_info
*" argument to "set_actual_length()".
svn path=/trunk/; revision=4748
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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/").
svn path=/trunk/; revision=4586
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a fragment unless we've captured all the data in the fragment and (in
IPv4 and CLNP) it has a valid checksum, so that if the first fragment is
a short frame or a frame with an invalid checksum, we'll treat it as if
reassembly weren't enabled, and will dissect what data we have in it,
rather than not dissecting *any* of the fragments above the IP/CLNP
layer.
svn path=/trunk/; revision=4575
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"dissect_frame()" to indicate whether a ReportedBoundsError was due to
the packet being malformed (i.e., the packet was shorter than it's
supposed to be, so the dissector went past the end trying to extract
fields that were supposed to be there) or due to it not being
reassembled (i.e., the packet was fragmented, and we didn't reassemble
it, but just treated the first fragment as the entire packet, so the
dissector went past the end trying to extract fields that were partially
or completely in fragments after that). Mark the latter as being
unreasembled rather than malformed.
Properly initialize, save, and restore that field, and properly set it,
so that works.
svn path=/trunk/; revision=4555
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the list of segments in a desegmented PDU as unsigned, rather than
signed.
Fix some other displays of unsigned quantities with "%d" while we're at
it.
svn path=/trunk/; revision=4516
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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.
svn path=/trunk/; revision=4370
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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.
svn path=/trunk/; revision=4308
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identifier, but means X.29 when used as an X.263/ISO 9577 secondary
protocol identifier.
Add support for the IPv6 NLPID, and Ethernet type, in more places.
Fix up the handling of the user data of a CALL REQUEST packet to more
correctly distinguish between user data containing an NLPID and user
data containing an X.264/ISO 11570 UN TPDU. If it's an NLPID, use
"nlpid_vals" to show its value.
Put that user data in a subtree.
Create a new "x.25.spi" dissector table, for protocols running atop
X.25, rather than having a built-in switch statement, so that other
protocols can register themselves by NLPID.
svn path=/trunk/; revision=4300
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svn path=/trunk/; revision=4269
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structure, we may have to worry about it in more places than the places
that *used* to set "pi.len" and "pi.captured_len", so there's no point
in just saving and restoring it there. We'll remove those
saves/restores, and worry about saves and restores when we find a
problem.
svn path=/trunk/; revision=4245
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structure; they're no longer used.
svn path=/trunk/; revision=4236
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structure, the check for a null tvbuff pointer in "alloc_field_info()",
and the "tvb_create_from_top()" macro; they're no longer needed, as
there's no non-tvbuffified dissector code remaining.
svn path=/trunk/; revision=4205
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svn path=/trunk/; revision=4088
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"packet-udp.h", so it shouldn't #include them.
svn path=/trunk/; revision=3983
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svn path=/trunk/; revision=3907
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"pinfo->{len,captured_len}"-adjusting currently done by the IP
dissector, make the IP dissector call that rather than doing the work
itself, make the IPv6 dissector call that rather than just adjusting the
tvbuff length itself, and make the IPX dissector call that rather than
just adjusting "pi.{len,captured_len}" itself.
This cleans things up a bit, and causes trailers to be properly reported
in IPX-over-Ethernet frames.
svn path=/trunk/; revision=3621
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svn path=/trunk/; revision=3608
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"header_field_info" structure, including the ones that are later set by
the routines to register fields.
svn path=/trunk/; revision=3561
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control whether to do it or not.
svn path=/trunk/; revision=3528
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as it's called only through a handle or a dissector table, and the code
that handles those calls does the check.
Also, set the Protocol and Info columns before fetching anything from
the packet, so they're set if we throw an exception.
svn path=/trunk/; revision=3455
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so, make it static, and call it only through a handle.
In the ICMPv6 dissector, when we dissect the invoking packet in an
ICMPv6 error or in a redirected header option, make the columns
non-writable, so the summary line for the packet shows it as an ICMPv6
packet, not as the packet included in the ICMPv6 packet.
svn path=/trunk/; revision=3361
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and an update to draft 7 of ICMPv6 name lookups, from Heikki Vatiainen.
Fix some formats in the ICMPv6 dissector to use %u, rather than %d, for
unsigned quantities.
Show various type and code values in ICMPv6 as decimal, not hexadecimal
(they're decimal in the RFCs).
svn path=/trunk/; revision=3360
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otherwise, the filtering GUI gets very upset when you try to construct a
filter expression to test the value of that field. Make them BASE_DEC.
svn path=/trunk/; revision=3334
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"etypes.h".
svn path=/trunk/; revision=3314
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"ipproto.h" header file.
svn path=/trunk/; revision=3313
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svn path=/trunk/; revision=2935
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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....)
svn path=/trunk/; revision=2849
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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.
svn path=/trunk/; revision=2810
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whether the packet has any fragmentation headers or not.
svn path=/trunk/; revision=2757
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svn path=/trunk/; revision=2755
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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.
svn path=/trunk/; revision=2670
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the BSD AF_ type values it uses into an "aftypes.h" header file for
dissectors that register themselves in that dissector table include.
svn path=/trunk/; revision=2653
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"epan/pint.h" - they caused GCC to whine about them being redefined when
I compiled on FreeBSD 3.4.
Get rid of the stuff in "packet-ipv6.h" that defines various bit vectors
differently depending on the byte order of the machine; instead, define
them so that they work with items in host byte order. This lets us use
a number of them rather than using hardwired hex values.
Put "frag.ip6f_offlg" in host byte order before using it; this means
that IP6F_MORE_FRAG can still be used even though it now works only on
items in host byte order.
svn path=/trunk/; revision=2610
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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.
svn path=/trunk/; revision=2267
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- implement the TCP follow feature for TCP over IPv6
svn path=/trunk/; revision=2258
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Santeri Paavolainen.
svn path=/trunk/; revision=2230
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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()".
svn path=/trunk/; revision=2218
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special case for it. dissect_ah() is registered with the "ip.proto"
handoff table, and dissect_ah() calls the next dissector using this
same "ip.proto" handoff table.
The old dissect_ah() is kept as dissect_ah_old() since dissect_ipv6()
still uses it. I need to convert some more functions before I can
get rid of dissect_ah_old().
svn path=/trunk/; revision=2039
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a particular type, rather than taking a varargs list, along the lines of
the "proto_tree_add_XXX_format()" routines.
Replace most calls to "proto_tree_add_item()" and
"proto_tree_add_item_hidden()" with calls to those routines.
Rename "proto_tree_add_item()" and "proto_tree_add_item_hidden()" to
"proto_tree_add_item_old()" and "proto_tree_add_item_hidden_old()", and
add new "proto_tree_add_item()" and "proto_tree_add_item_hidden()"
routines that don't take the item to be added as an argument - instead,
they fetch the argument from the packet whose tvbuff was handed to them,
from the offset handed to them.
svn path=/trunk/; revision=2031
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rather than hex.
svn path=/trunk/; revision=1997
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