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Extract the FCS decoding section of the PPP_HDLC dissector to
allow the CHDLC dissector to use the same routine.
The ppp_options used for preferences has been renamed to
fcs_options and exported via packet-ppp.h so CHDLC gets a
separate (but identical) FCS preference.
This means prefs.h has to be included before packet-ppp.h so a
couple of ppp related files (packet-{gtp,null,raw,vj}.c) had
their includes slightly re-arranged.
From me: make the PPP/CHDLC FCS code use "crc32()" to check the 32-bit
FCS.
svn path=/trunk/; revision=8266
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winapi_cleanup tool written by Patrik Stridvall for the wine
project.
svn path=/trunk/; revision=6117
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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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(i.e., the byte of the IP header containing the IP version number) to
see which it is, and handle the packet either as IPv4, IPv6, or "other"
based on the IP version number.
The "if" chain for handling various packet types using DLT_RAW doesn't
need returns after every clause; it should just return after falling off
the end (and shouldn't call "g_assert_not_reached()" once we do that).
svn path=/trunk/; revision=4695
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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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dissector handle for the "raw" protocol.
svn path=/trunk/; revision=4466
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but the real point is to make it look better in a Protocol-Hierarchy
Statistics summary; without the header_field_info for "Raw packet data",
there was no name to display in the statistics GUI. (Yes, I could have
re-designed ph_stats_node_t to accomodate an string if there was not
a registered hfinfo for a protocol, but then the side-effect of being
able to filter for the "raw" protocol made me choose this route).
svn path=/trunk/; revision=4465
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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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of packet data captured.
Make the "BYTES_ARE_IN_FRAME()" macro take a "captured length of the
packet" argument.
Add some length checks to capture routines.
svn path=/trunk/; revision=4235
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"ppp_hdlc" capture routine.
svn path=/trunk/; revision=3209
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"ppp_hdlc" dissector, and call the dissector for "raw" PPP (just RFC
1661, no HDLC encapsulation) the "ppp" dissector.
Have the common routine used by both those dissectors take the offset in
the tvbuff of the PPP protocol field as an argument, rather than
assuming that the protocol field begins at the beginning of the tvbuff,
so we don't have to construct a new tvbuff in the
PPP-in-HDLC-like-framing dissector.
Use the PPP dissector, not the PPP-in-HDLC-like-framing dissector, for
PPP over Frame Relay - there's no HDLC header in PPP over Frame Relay,
at least according to
http://www.cisco.com/univercd/cc/td/doc/product/software/ios120/120newft/120t/120t1/pppframe.htm
svn path=/trunk/; revision=3208
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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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dissect_fddi_not_bitswapped() and dissect_fddi_bitswapped(), both of which
use the standard 3-argument tvbuffified-dissector argument list.
Add a dissector table called "wtap_encap" which is used to call dissectors
from dissect_frame(). The switch() statement from this top-level dissector
is removed.
The link-layer dissectors register themselves with the "wtap_encap"
dissector table. The dissectors are now static where possible.
svn path=/trunk/; revision=2708
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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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other dissectors call them through handles. Do the same for the "PPP
payload" dissector, after tvbuffifying it.
Tvbuffify the PPPoE dissector.
Do the last little bit of tvbuffifying the L2TP dissector (it takes
old-style arguments and immediately generates a tvbuff out of them; make
it take new-style arguments).
svn path=/trunk/; revision=2664
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ESIS dissectors.
Register the IP dissector and have dissectors that call it directly
(rather than through a port table) call it through a handle.
Add a routine "tvb_set_reported_length()" which a dissector can use if
it was handed a tvbuff that contains more data than is actually in its
part of the packet - for example, handing a padded Ethernet frame to IP;
the routine sets the reported length of the tvbuff (and also adjusts the
actual length, as appropriate). Then use it in IP.
Given that, "ethertype()" can determine how much of the Ethernet frame
was actually part of an IP datagram (and can do the same for other
protocols under Ethernet that use "tvb_set_reported_length()"; have it
return the actual length, and have "dissect_eth()" and "dissect_vlan()"
use that to mark trailer data in Ethernet II frames as well as in 802.3
frames.
svn path=/trunk/; revision=2658
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svn path=/trunk/; revision=2654
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at the beginning of packets.
svn path=/trunk/; revision=2266
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(the ip_tcp_options stuff is still non-tvbuff until I convert ip and tcp).
Add preliminary fix for Linux ISDN ippp devices (similar watch was posted
to ethereal-users, but did not use tvbuffs).
Change packet-raw.c to call capture_ppp()/dissect_ppp() in the case
where the frame starts with FF:03. We had been calling
capture_ip()/dissect_ip() at byte offset 4, but I think this is for
historical reasons of packet-raw.c and packet-ip.c existing before
packet-ppp.c.
svn path=/trunk/; revision=1998
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svn path=/trunk/; revision=1987
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"packet-eth.c", and "packet-fddi.c" include the include files that
declare the functions they export, so that the declarationss in the
header files will be checked against the definitions in the source
files.
svn path=/trunk/; revision=1981
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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.
svn path=/trunk/; revision=1939
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This change allows you to add a new packet-*.c file and not cause a
recompilation of everything that #include's packet.h
Add the plugin_api.[ch] files ot the plugins/Makefile.am packaging list.
Add #define YY_NO_UNPUT 1 to the lex source so that the yyunput symbol
is not defined, squelching a compiler complaint when compiling the generated
C file.
svn path=/trunk/; revision=1637
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whether we're building a protocol tree or not.
Make "dissect_eth()" use "BYTES_ARE_IN_FRAME()" to see if we have a full
Ethernet header - it can be called with a non-zero offset, if Ethernet
frames are encapsulated inside other frames (e.g., ATM LANE).
Make capture routines take an "offset" argument if the corresponding
dissect routine takes one (for symmetry, and for Cisco ISL or any other
protocol that encapsulates Ethernet or Token-Ring frames inside other
frames).
Pass the frame lengths to capture routines via the "pi" structure,
rather than as an in-line argument, so that they can macros such as
"BYTES_ARE_IN_FRAME()" the way the corresponding dissect routines do.
Make capture routines update "pi.len" and "pi.captured_len" the same way
the corresponding diseect routines do, if the capture routines then call
other capture routines.
Make "capture_vlan()" count as "other" frames that are too short, the
way other capture routines do.
svn path=/trunk/; revision=1525
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dynamically-assigned "ett_" integer values, assigned by
"proto_register_subtree_array()"; this:
obviates the need to update "packet.h" whenever you add a new
subtree type - you only have to add a call to
"proto_register_subtree_array()" to a "register" routine and an
array of pointers to "ett_", if they're not already there, and
add a pointer to the new "ett_" variable to the array, if they
are there;
would allow run-time-loaded dissectors to allocate subtree types
when they're loaded.
svn path=/trunk/; revision=1043
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mechanism that is built into ethereal. Wiretap is now used to read all
file formats. Libpcap is used only for capturing.
svn path=/trunk/; revision=342
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reference the protocol tree with struct proto_tree and struct proto_item
objects. That way, the packet decoding source code file can be used with
non-gtk packet decoders, like a curses-based ethereal, e.g. I also re-arranged
some of the information in packet.h to more appropriate places (like other
packet-*.[ch] files).
svn path=/trunk/; revision=223
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update the packet counts and percentages in the dialog box popped up
during a capture, even for non-Ethernet captures.
svn path=/trunk/; revision=184
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* Added check_col(), add_col_str() and add_col_fmt() to replace references
to ft->win_info.
* Added column prefs handling code.
svn path=/trunk/; revision=97
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because it is still in its infancy, but it can be compiled in optionally.
The library exists in its own subdirectory ethereal/wiretap. This patch also
edits all the packet-*.c files to remove the #include <pcap.h> line which is
unnecessary in these files. In the ethereal code, file.c is the most heavily
modified with #ifdef WITH_WIRETAP lines for the optional library.
svn path=/trunk/; revision=82
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that's now in the frame-level detail display.
svn path=/trunk/; revision=80
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* FDDI support (Laurent, Guy)
svn path=/trunk/; revision=36
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generalizes the column printing code, adds a "frame" tree item to
the tree view, and fixes a bunch of miscellaneous coding bugs.
svn path=/trunk/; revision=31
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svn path=/trunk/; revision=7
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svn path=/trunk/; revision=2
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