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logging virtual interface, from Mike Frantzen.
svn path=/trunk/; revision=4616
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that EtherPeek for Windows uses the same format as EtherPeek for MacOS,
so the code isn't specific to the MacOS version.
Check the physMedium value in the secondary header, and leave a
placeholder for a value of 1, which is presumably used in AiroPeek
captures.
Treat unknown mediaType and physMedium values as indications that we
don't have a *Peek file, not as unsupported *Peek files - we need all
the heuristics we can get.
svn path=/trunk/; revision=4601
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data structure attached to the "wtap" structure, rather than in a
pseudo-header structure; get rid of the EtherPeek pseudo-header
structure, as it's not actually used as a pseudo-header, it's just used
as private data for the EtherPeek reader.
Get rid of an extra level of indentation in switch statements.
svn path=/trunk/; revision=4561
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Nisbet.
Make a comment in "wiretap/file.c" clearer, so people know where to put
the entries for their capture file type.
svn path=/trunk/; revision=4328
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files to get that big.
From Thomas Wittwer and Matthias Nyffenegger:
Support for "ring buffer mode", wherein there's a ring buffer of N
capture files; as each capture file reaches its maximum size (the ring
buffer works only with a maximum capture file size specified), Ethereal
rolls over to the next capture file in the ring buffer, replacing
whatever packets might be in it with new packets.
svn path=/trunk/; revision=4323
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duration, from Thomas Wittwer and Matthias Nyffenegger.
svn path=/trunk/; revision=4322
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Rename WTAP_ENCAP_PRISM to WTAP_ENCAP_PRISM_HEADER, to match
DLT_PRISM_HEADER.
Add in missing capture support for WTAP_ENCAP_PRISM_HEADER when
capturing with "pcap_open_live()" rather than reading the capture from a
pipe.
svn path=/trunk/; revision=4299
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Tim Newsham.
Add in missing item for WTAP_ENCAP_CISCO_IOS in the Wiretap
encapsulation type table.
svn path=/trunk/; revision=4290
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svn path=/trunk/; revision=4199
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with one capture I've seen, but perhaps that was done with an old
version of AIX, and newer versions use a minor version number, in the
file, of 4.
However, libpcap hasn't used a minor version of 2 for ages, so perhaps
AIX hasn't updated their libpcap in ages, and aren't about to do so
soon. If they do, let's hope they change the magic number. The capture
file in question *does* have the capture length and real length in the
old, pre-2.3, order, so it really looks as if it's an old version,
rather than IBM trying to be "helpful" by using a different minor
version number so that you can distinguish between normal libpcap and
AIX libpcap formats.)
svn path=/trunk/; revision=4164
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svn path=/trunk/; revision=4126
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svn path=/trunk/; revision=4042
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Update the lists of known capture file formats in the Tethereal,
editcap, and mergecap man pages to match the current list (as found in
the Ethereal man page).
svn path=/trunk/; revision=4039
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can handle capture files bigger than 2GB.
svn path=/trunk/; revision=3993
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svn path=/trunk/; revision=3949
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get from calling "wtap_file()", so get rid of the call and the
(otherwise unused) variable to which its result gets assigned.
That lets us get rid of "wtap_file()" in Wiretap.
It also lets us get rid of the include of "zlib.h" in "file.h"; the
#defines of "file_open()", "filed_open()", and "file_close()" are also
unnecessary, so we get rid of those as well.
However, that means we need to include <zlib.h> in "gtk/main.c" and
"tethereal.c", so that the version number of libz is defined and can
show up in the version string.
svn path=/trunk/; revision=3652
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DLT_HDLC to it.
Make a separate dissector for Cisco HDLC, and add a dissector for Cisco
SLARP. Have the PPP dissector call the Cisco HDLC dissector if the
address field is the Cisco HDLC unicast or multicast address. Use the
Cisco HDLC dissector for the Cisco HDLC Wiretap encapsulation type.
Add a new dissector table "chdlctype", for Cisco HDLC packet types
(they're *almost* the same as Ethernet types, but 0x8035 is SLARP, not
Reverse ARP, and 0x2000 is the Cisco Discovery protocol, for example),
replacing "fr.chdlc".
Have a "chdlctype()" routine, similar to "ethertype()", used both by the
Cisco HDLC and Frame Relay dissectors. Have a "chdlc_vals[]"
"value_string" table for Cisco HDLC types and protocol names. Split the
packet type field in the Frame Relay dissector into separate SNAP and
Cisco HDLC fields, and give them the Ethernet type and Cisco HDLC type
"value_string" tables, respectively.
svn path=/trunk/; revision=3133
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svn path=/trunk/; revision=3066
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Code to register the Frame Relay dissector to handle Frame Relay
captures, from Paul Ionescu.
svn path=/trunk/; revision=2845
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version of libpcap; that's used on Linux for captures on the "any"
device (which captures from all interfaces simultaneously) and for
captures on devices whose link-layer type libpcap doesn't (yet) support
natively.
The spanning tree code, when checking for GV{M,R,...}P packets, must
first check whether the link-layer destination address is, in fact, an
Ethernet-style address; on Linux cooked captures, there *is* no
destination address, so it's of type AT_NONE, not AT_ETHER.
svn path=/trunk/; revision=2772
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Add in stuff for a bunch of libpcap formats either in libpcap 0.5.2 or
in the current CVS version; we don't implement all of them in
Ethereal/Wiretap (those are "#if 0"ed out), but we do implement the IEEE
802.11 stuff (which isn't yet in libpcap or tcpdump, but the CVS version
of libpcap *does* reserve 105 as the encapsulation type number for
802.11).
svn path=/trunk/; revision=2646
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pseudo_header.
Use generic "p2p_phdr" instead of "lapd_phdr". Modify toshiba.c and
packet-lapd.c to take that into account.
Add frame.p2p_dir, a filterable field, 0=sent, 1=recvd
Make p2p_dir available in packe_info, as I think it will be needed
in VJ COMP and UNCOMP dissection.
Rename WTAP_ENCAP_TR to WTAP_ENCAP_TOKEN_RING.
Mention pppd-log support in man page.
Mention atmsnoop in README.
svn path=/trunk/; revision=2455
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svn path=/trunk/; revision=2448
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of Nokia box (firewall) - yep, it's yet *another* mutant libpcap format
that didn't change the magic number, sigh....
svn path=/trunk/; revision=2440
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a "keep reading" boolean value is returned from the function.
This avoids having to hack around the fact that some file formats truly
do have records that start at offset 0. (i4btrace and csids have no
file header. Neither does the pppdump-style file that I'm looking at right now).
svn path=/trunk/; revision=2392
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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).
svn path=/trunk/; revision=2254
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IPLog format.
svn path=/trunk/; revision=2231
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is finally dead, and you're walking away, it springs up again and
attacks.
It appears that the ss990915 version of Alexey Kuznetzov's libpcap patch
has some extra stuff in the per-packet header for some sort of SMP
debugging, and that SuSE Linux 6.3 picked it up.
Thus, even if a libpcap file has the modified magic number, we *still*
have to go through the usual heuristic hell to figure out what type of
file it is.
svn path=/trunk/; revision=2164
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a pointer to the "wtap_pkthdr" structure for an open capture
file;
a pointer to the "wtap_pseudo_header" union for an open capture
file;
a pointer to the packet buffer for an open capture file;
so that a program using "wtap_read()" in a loop can get at those items.
Keep, in a "capture_file" structure, an indicator of whether:
no file is open;
a file is open, and being read;
a file is open, and is being read, but the user tried to quit
out of reading the file (e.g., by doing "File/Quit");
a file is open, and has been completely read.
Abort if we try to close a capture that's being read if the user hasn't
tried to quit out of the read.
Have "File/Quit" check if a file is being read; if so, just set the
state indicator to "user tried to quit out of it", so that the code
reading the file can do what's appropriate to clean up, rather than
closing the file out from under that code and causing crashes.
Have "read_cap_file()" read the capture file with a loop using
"wtap_read()", rather than by using "wtap_loop()"; have it check after
reading each packet whether the user tried to abort the read and, if so,
close the capture and return an indication that the read was aborted by
the user. Otherwise, return an indication of whether the read
completely succeeded or failed in the middle (and, if it failed, return
the error code through a pointer).
Have "continue_tail_cap_file()" read the capture file with a loop using
"wtap_read()", rather than by using "wtap_loop()"; have it check after
reading each packet whether the user tried to abort the read and, if so,
quit the loop, and after the loop finishes (even if it read no packets),
return an indication that the read was aborted by the user if that
happened. Otherwise, return an indication of whether the read
completely succeeded or failed in the middle (and, if it failed, return
the error code through a pointer).
Have "finish_tail_cap_file()" read the capture file with a loop using
"wtap_read()", rather than by using "wtap_loop()"; have it check after
reading each packet whether the user tried to abort the read and, if so,
quit the loop, and after the loop finishes (even if it read no packets),
close the capture and return an indication that the read was aborted by
the user if that happened. Otherwise, return an indication of whether
the read completely succeeded or failed in the middle (and, if it
failed, return the error code through a pointer).
Have their callers check whether the read was aborted or not and, if it
was, bail out in the appropriate fashion (exit if it's reading a file
specified by "-r" on the command line; exit the main loop if it's
reading a file specified with File->Open; kill the capture child if it's
"continue_tail_cap_file()"; exit the main loop if it's
"finish_tail_cap_file()".
svn path=/trunk/; revision=2095
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2.002, as used by release 3.50 of the Network Associates Sniffer for
Windows; currently, we treat it just like the 2.001 version, so we
rename the version #define WTAP_FILE_NETXRAY_2_001 to
WTAP_FILE_NETXRAY_2_00x and use that for both 2.001 and 2.002.
svn path=/trunk/; revision=2087
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Mayer, and yours truly.
svn path=/trunk/; revision=2002
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to that file, leave public definitions in wtap.h.
Rename "union pseudo_header" to "union wtap_pseudo_header".
Make the wtap_pseudo_header pointer available in packet_info struct.
svn path=/trunk/; revision=1989
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there's no need to keep it around in memory - when the frame data is
read in when handing a frame, read in the information, if any, necessary
to reconstruct the frame header, and reconstruct it. This saves some
memory.
This requires that the seek-and-read function be implemented inside
Wiretap, and that the Wiretap handle remain open even after we've
finished reading the file sequentially.
This also points out that we can't really do X.25-over-Ethernet
correctly, as we don't know where the direction (DTE->DCE or DCE->DTE)
flag is stored; it's not clear how the Ethernet type 0x0805 for X.25
Layer 3 is supposed to be handled in any case. We eliminate
X.25-over-Ethernet support (until we find out what we're supposed to
do).
svn path=/trunk/; revision=1975
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svn path=/trunk/; revision=1951
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per the "capture" member of a "wtap" structure, so that it doesn't
collide with the C++ reserved word "private".
svn path=/trunk/; revision=1936
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and nettl captures - a "start" field is used for capture files where the
time stamps on packets are relative to some initial time stamp, e.g. the
time the capture started, but those file formats use absolute time
stamps, so no "start" field is needed.
Make the "this is an HP-UX 11.x nettl capture" flag a member of the
private data structure for a nettl capture, rather than a global - it's
per-capture-file state.
Once the "start" field is removed from the RADCOM private data
structure, there's nothing left, so eliminate the private data
structure.
svn path=/trunk/; revision=1863
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svn path=/trunk/; revision=1820
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from the frame table - Network Monitor 2.x, at least, doesn't always
write frame N+1 right after frame N.
To do that, we need to mallocate a big array to hold the frame table,
and free it when we close the capture file; this requires that we have
capture-file-type-specific close routines as well as
capture-file-type-specific read routines - we let it the pointer to that
routine be null if it's not needed. Given that, we might as well get
rid of the switch statement in "wtap_close()", in favor of using
capture-file-type-specific close routines, as per the comment before
that switch statement.
svn path=/trunk/; revision=1740
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capture file for an unsupported link-layer encapsulation type (as the
nettl reader does), and report it correctly if it occurs on an open or
read attempt rather than a save attempt.
svn path=/trunk/; revision=1647
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forwarding e-mail address.
svn path=/trunk/; revision=1522
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byte order from the machine that's reading them.
svn path=/trunk/; revision=1338
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the capture; set it to that when writing the capture.
Support Token Ring and FDDI captures (as per the network type in the
file header appearing to be either the NDIS network type, or the NDIS
network type minus 1 - I forget whether Ethernet has an NDIS type of 0
or 1).
Don't write the file header twice, keeping a static copy of it around,
as Wiretap code isn't supposed to keep any static data around; instead,
write it only when we're done writing out all the records (as we do on
Network Monitor captures).
Compute the time stamps when writing the file.
Give Windows Sniffer 1.1-format a short name, so "editcap" doesn't dump
core or print "(null)" in its usage message.
WTAP_ENCAP_NULL isn't supported by NetMon; don't write it.
svn path=/trunk/; revision=1336
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svn path=/trunk/; revision=1333
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It's very basic, and doesn't write out the timestamps currently. It also
only handles WTAP_ENCAP_ETHERNET, although it can probably do the others,
but I don't have a good way to test them. This code has not yet been tested
against a Sniffer Pro, although wiretap can read the files just fine.
svn path=/trunk/; revision=1318
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and V.120 decoder.
svn path=/trunk/; revision=1304
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the "this is the first frame" flag, and the time stamp of the first
frame, used when writing Sniffer files, so that more than one could be
open at a time (Wiretap doesn't forbid that) and so that they're
initialized when you start writing a capture.
svn path=/trunk/; revision=1292
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files (the former have a different per-packet header, and a different
magic number, from the standard "libpcap"; the latter have the same
per-packet header as "modified" "libpcap" files, but the same magic
number as standard "libpcap" files, sigh).
Support writing "libpcap" captures in all three formats (so that, for
example, people running Ethereal on RH 6.1 can write out captures that
the "tcpdump" that comes with RH 6.1 can read, although that's not the
default format we save in - there's no way to tell whether you're
running on RH 6.1, as far as I know; "uname()" just tells you, on Linux
systems, that the kernel is Linux 2.x, and what "x" is, it doesn't say
what the *rest* of the system is).
Fix the table in "file.c" to use Olivier's code for writing Sniffer
files.
svn path=/trunk/; revision=1288
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encapsulation types, and routines to translate encapsulation types to
names and short names to encapsulation types, for the benefit of
"editcap".
svn path=/trunk/; revision=1212
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to, for example, specify on a command line the format that a program
should write; provide a routine to translate a file type to its short
name, and to translate a short name to the corresponding file type.
svn path=/trunk/; revision=1207
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"wtap_file_type_string()" take, as its argument, a file type, rather
than a "wtap *".
Fix some range checks of file types to check against WTAP_NUM_FILE_TYPES
rather than WTAP_NUM_ENCAP_TYPES.
svn path=/trunk/; revision=1201
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