by Wiretap, to indicate whether certain fields in that structure
actually have data in them.
Use the "time stamp present" flag to omit showing time stamp information
for packets (and "packets") that don't have time stamps; don't bother
working very hard to "fake" a time stamp for data files.
Use the "interface ID present" flag to omit the interface ID for packets
that don't have an interface ID.
We don't use the "captured length, separate from packet length, present"
flag to omit the captured length; that flag might be present but equal
to the packet length, and if you want to know if a packet was cut short
by a snapshot length, comparing the values would be the way to do that.
More work is needed to have wiretap/pcapng.c properly report the flags,
e.g. reporting no time stamp being present for a Simple Packet Block.
svn path=/trunk/; revision=41185
WTAP_ENCAP_ARCNET_LINUX; update various tables mapping Wiretap
encapsulations to file-type encapsulations. Get rid of some trailing
"sorry, that's not supported" entries while we're at it.
svn path=/trunk/; revision=40274
form of corruption/bogosity in a file, including in a file header as
well as in records in the file. Change the error message
wtap_strerror() returns for it to reflect that.
Use it for some file header problems for which it wasn't already being
used - WTAP_ERR_UNSUPPORTED shouldn't be used for that, it should only
be used for files that we have no reason to believe are invalid but that
have a version number we don't know about or some other
non-link-layer-encapsulation-type value we don't know about.
svn path=/trunk/; revision=40175
same.
Add to wiretap/pcap-common.c a routine to fill in the pseudo-header for
ATM (by looking at the VPI, VCI, and packet data, and guessing) and
Ethernet (setting the FCS length appropriately). Use it for both pcap
and pcap-ng files.
svn path=/trunk/; revision=38840
by the gunzipping code. Have it also supply a err_info string, and
report it. Have file_error() supply an err_info string.
Put "the file" - or, for WTAP_ERR_DECOMPRESS, "the compressed file", to
suggest a decompression error - into the rawshark and tshark errors,
along the lines of what other programs print.
Fix a case in the Netscaler code where we weren't fetching the error
code on a read failure.
svn path=/trunk/; revision=36748
can't be saved in compress form" are both equivalent to "this file file
format requires seeking when writing it". Change the "can compress"
Boolean in the file format table to "writing requires seeking", give all
the entries the proper value, and do the checks for attempting to write
a file format to a pipe or write it in compressed format to common code.
This means we don't need to pass the "can't seek" flag to the dump open
routines.
svn path=/trunk/; revision=36575
file_read(buf, bsize, count, file) macro is compilant with fread
function and takes elements count+ size of each element, however to make
it compilant with gzread() it always returns number of bytes.
In wiretap file_read() this is not really used, file_read is called
either with bsize set to 1 or count to 1.
Attached patch remove bsize argument from macro.
svn path=/trunk/; revision=36491
wtap_dump_file_write(). Replace various wrappers around fwrite() with
wtap_dump_file_write(), or at least make the wrappers call
wtap_dump_file_write().
svn path=/trunk/; revision=33116
Added support for Solaris IPNET layer
From me:
Some code cleanup in packet-ipnet.c
Added packet-ipnet.c to CMakeFiles.txt
Added WTAP_ENCAP_IPNET to encap_table_base[]
svn path=/trunk/; revision=31159
on the stack! There is no guarantee that the header length won't cause a
buffer overflow - there could be a bug in some version of Surveyor
generating a bad file, there could be a future version of Surveyor that
has a really big pseudo-header, the file could've been written by
something other than Surveyor that has a bug in it, there could be a
file that's corrupted in transit, or there could be a deliberately
malformed packet trying to cause *Shark to execute arbitrary code.
Also, explicitly check for a too-short header length and fail with
WTAP_ERR_BAD_RECORD in that case.
Add some comments asking some questions about the header.
(The previous change was for bug 3856:
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=3856
not bug 3865.)
svn path=/trunk/; revision=29958
The Shomiti Wireless head was modified in a recent release such that wireshark
can no longer read Shomiti wireless capture files.
This new format is backwards compatible with the old format.
svn path=/trunk/; revision=29956
- automatic adjustment depending on file format
- manual adjustment through menu items
save the setting in the recent file
svn path=/trunk/; revision=15534
I've done more than a day to change the timestamp resolution from microseconds to nanoseconds. As I really don't want to loose those changes, I'm going to check in the changes I've done so far. Hopefully someone else will give me a helping hand with the things left ...
What's done: I've changed the timestamp resolution from usec to nsec in almost any place in the sources. I've changed parts of the implementation in nstime.s/.h and a lot of places elsewhere.
As I don't understand the editcap source (well, I'm maybe just too tired right now), hopefully someone else might be able to fix this soon.
Doing all those changes, we get native nanosecond timestamp resolution in Ethereal. After fixing all the remaining issues, I'll take a look how to display this in a convenient way...
As I've also changed the wiretap timestamp resolution from usec to nsec we might want to change the wiretap version number...
svn path=/trunk/; revision=15520
they have LF at the end of the line on UN*X and CR/LF on Windows;
hopefully this means that if a CR/LF version is checked in on Windows,
the CRs will be stripped so that they show up only when checked out on
Windows, not on UN*X.
svn path=/trunk/; revision=11400
rather than requiring individual capture file type handlers to do it
(unless they're doing per-packet encapsulation, in which case we check
to make sure they didn't *leave* it as WTAP_ENCAP_PER_PACKET).
svn path=/trunk/; revision=10290
addition to an error code, an error info string, for
WTAP_ERR_UNSUPPORTED, WTAP_ERR_UNSUPPORTED_ENCAP, and
WTAP_ERR_BAD_RECORD errors. Replace the error messages logged with
"g_message()" for those errors with g_strdup()ed or g_strdup_printf()ed
strings returned as the error info string, and change the callers of
those routines to, for those errors, put the info string into the
printed message or alert box for the error.
Add messages for cases where those errors were returned without printing
an additional message.
Nobody uses the error code from "cf_read()" - "cf_read()" puts up the
alert box itself for failures; get rid of the error code, so it just
returns a success/failure indication.
Rename "file_read_error_message()" to "cf_read_error_message()", as it
handles read errors from Wiretap, and have it take an error info string
as an argument. (That handles a lot of the work of putting the info
string into the error message.)
Make some variables in "ascend-grammar.y" static.
Check the return value of "erf_read_header()" in "erf_seek_read()".
Get rid of an unused #define in "i4btrace.c".
svn path=/trunk/; revision=9852
snoop file unless it has enoguh padding to hold a Shomiti trailer
record. (DEAR SUN MICROSYSTEMS: PLEASE DO NOT STUFF 16 OR MORE BYTES OF
PADDING INTO A SNOOP PACKET. THANK YOU. HAVE A NICE DAY.)
Add a little paranoia about the record and captured data lengths.
svn path=/trunk/; revision=8883
0 means "there is no FCS in the packet data", 4 means "there is an FCS
in the packet data", -1 means "I don't know whether there's an FCS in
the packet data, guess based on the packet size".
Assume that Ethernet encapsulated inside other protocols has no FCS, by
having the "eth" dissector assume that (and not check for an Ethernet
pseudo-header).
Have "ethertype()" take an argument giving the FCS size; pass 0 when
appropriate.
Fix up Wiretap routines to set the pseudo-header. This means we no
longer use the "generic" seek-and-read routine, so get rid of it.
svn path=/trunk/; revision=8574
bytes of padding into the packet (possibly more, as if it's putting
extra stuff in the padding as Shomiti/Finisar Surveyor does, it might be
up to 7). Fortunately, Surveyor puts lots of stuff into the padding, so
we'll crank up the "snoop vs. Surveyor" check to look for 4 or more
bytes.
svn path=/trunk/; revision=7167
that flag in the ATM pseudo-header, and use it to determine whether a
frame is a raw cell or a reassembled frame, rather than using the AAL,
as you can have raw AAL5 cells in a capture.
svn path=/trunk/; revision=6889
used for the DOS-based ATM Sniffer. (That's not a great name, but I
couldn't think of a better one.)
Add a new WTAP_ENCAP_ATM_PDUS_UNTRUNCATED encapsulation type for capture
files where reassembled frames don't have trailers, such as the AAL5
trailer, chopped off. That's what at least some versions of the
Windows-based ATM Sniffer appear to have.
Map the ATM capture file type for NetXRay captures to
WTAP_ENCAP_ATM_PDUS_UNTRUNCATED, and put in stuff to fill in what we've
reverse-engineered, so far, for the pseudo-header; there's more that
needs to be done on it, e.g. getting the channel, AAL type, and traffic
type (or inferring them if they're not in the packet header).
svn path=/trunk/; revision=6840
Surveyor capture, as there's one link-layer type that UNICOS/mp snoop
treats one way and Shomiti Surveyor treats another way. The only way to
check that is to look at the first record to see how much padding it
has.
svn path=/trunk/; revision=6750
All files:
- Replace types from sys/types.h by those from glib.h
- Replace ntoh family of macros from netinet/in.h and winsock2.h
by g_ntoh family from glib.h
- Remove now unneeded includes of sys/types.h, netinet/in.h and
winsock2.h
wtap.h
Move includes to the top
svn path=/trunk/; revision=5909
Allow "-" as the output file name in Wiretap, referring to the
standard error.
Optimize the capture loop.
Fix some of the error-message printing code in Ethereal and Tethereal.
Have Wiretap check whether it can seek on a file descriptor, and pass
the results of that test to the file-type-specific "open for output"
routine. Have the "open for output" routines for files where we need to
seek when writing the file return an error if seeks don't work.
svn path=/trunk/; revision=5884
the internal z_err value for the stream if an "fseek()" call it makes
fails, so that if "gzerror()" is subsequently called, it returns Z_OK
rather than an error.
To work around this, we pass "file_seek()" an "int *err", and have the
with-zlib version of "file_seek()" check, if "gzseek()" fails, whether
the return value of "file_error()" is 0 and, if so, have it return
"errno" instead.
svn path=/trunk/; revision=5642
into Wiretap, so that if you read a frame from Wiretap you have what
traffic type information could be gleaned from the information in the
capture file, and can write the frame out to a capture file where the
file contains some or all of that information without having to
determine it outside of Wiretap.
svn path=/trunk/; revision=5314
just an image of the ATM Sniffer data. This means that Ethereal doesn't
have to know any ATM Sniffer-specific details (that's all hidden in
Wiretap), and allows us to add to that pseudo-header fields, traffic
types, etc. unknown to ATM Sniffers.
Have Wiretap map VPI 0/VCI 5 to the signalling AAL - for some capture
files, this might not be necessary, as they may mark all signalling
traffic as such, but, on other platforms, we don't know the AAL, so we
assume AAL5 except for 0/5 traffic. Doing it in Wiretap lets us hide
those details from Ethereal (and lets Ethereal interpret 0/5 traffic as
non-signalling traffic, in case that happens to be what it is).
We may know that traffic is LANE, but not whether it's LE Control or
emulated 802.3/802.5; handle that case.
svn path=/trunk/; revision=5302
Guy Harris