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Based on patches from an anonymous donor, support the radiotap RX flags and
MCS fields, and the vendor namespace, and, if Channel and XChannel are
both present, use XChannel, not Channel.
Do not try to look up a rate for an MCS value from the Rate field; you
cannot map an MCS value to a rate without also knowing the channel width
and guard interval length.
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Thanks to some traces sent my way by Gavin McCullagh, and a comparison
against the output of inMon's sflowtool, I can confidently say "Yes
Virginia, there is an enterprise other than zero." Which means lest we
start trying to decode something as what it is not, we best actually
look at the enterprise field and make sure it is one we recognize.
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around and created a bunch of smaller routines to more easily support
printing of both expanded and non-expanded counter and flow samples.
I've done simple testing of non-expanded counter and flow, and expanded
counter, but I don't have expanded flow at present with which to test.
So, that part of the change is only compile/eyeball tested.
Reviewed-and-tweaked-by: Guy Harris <guy@alum.mit.edu>
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Fetch the element length early in the process, rather than fetching it
each time we need it - even after we've advanced the pointer we are
using to fetch it (doing the latter means we fetch the wrong value when
we subtract it from the remaining length).
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If we were able to get the flags, we should process them, so we know
whether there's Atheros padding after the 802.11 header or if there's an
FCS at the end of the packet, and properly process them; if we weren't
able to get the flags, they're 0, so we're not doing anything
differently, and that's the best we can do.
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If the cpack_uint8() call to fetch the flags for
IEEE80211_RADIOTAP_FLAGS fails, don't return u.u8, as we didn't fetch
anything into it.
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When dissecting a sample, or a flow or counter within the sample, make
sure we don't run past the length in the sample/flow/counter header.
This also means we count the sample length down as we process the
contents of the sample, so we only add what, if anything, remains of the
sample to the pointer into the packet, and subtract that from the
remaining data length in the packet, which means we properly handle
packets with multiple samples.
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Now that we're setting V_INCLS correctly, we don't need to include
"tcpdump-stdinc.h" - including <tcpdump-stdinc.h> works.
This also picks up configure changes from the previous configure.in
change.
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pcap/bluetooth.h and pcap/usb.h require those types, so we check for
those types before checking those headers, and we include
"tcpdump-stdinc.h" in the tests, so the appropriate headers to define
those types get pulled in.
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That way, if we temporarily set CPPFLAGS to include V_INCLS, it'll work
correctly.
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That way, uudecode will write the decoded output there, rather than to a
file named "empty" that gets left around. That also means we don't need
to redirect the output of uudecode to /dev/null, so don't do that.
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Doing it at make time means you don't have to re-run the configure
script if you add uudecode to your system, and doing it by uudecoding a
uuencoded empty file means we don't depend on uudecode supporting
"--help".
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Instead, check for uudecode in the configure script, and set the
CHECK_UUDECODE configuration variable to "true" if we find it and to a
command that prints an error message and exits with 1 if we don't find
it, and substitute that variable into the Makefile as the first command
for "make check".
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This version includes a couple of fixes from Wireshark.
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The old ports for SCTP TML ports were replaced at RFC editor
publication time. Caught by folks preparing for an Interop
tommorow.
While we could add a backward compat support it seems meaningless
if those ports will never ever be used in production.
I will send new test/pcaps at a later point and remove the existing
ones once this patch goes in.
cheers,
jamal
commit 40ecad0e866e7567716e6e57158c5274c0786a21
Author: Jamal Hadi Salim <hadi@mojatatu.com>
Date: Thu Feb 3 22:00:23 2011 -0500
Conform to new IANA assignment of ForCES SCTP TML
Signed-off-by: Jamal Hadi Salim <hadi@mojatatu.com>
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Cryptographic Authentication as per RFC 5310
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Based on a patch from cr4ckn@sourceforge.net, but with a macro
PLURAL_SUFFIX() defined to return either "s" or "" (rather than possibly
printing a NUL character with %c), and with that macro used in a couple
of cases where the equivalent had been done by hand, and with one case
the patch missed fixed as well.
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We only need to clear out the tha structure if we support IPv6, so that
the addresses are IPv6 addresses, but we only have IPv4 addresses, so
that the rest of the address bytes need to be set somehow.
Also, explain what we're doing, so people don't ask why we're not
zeroing it if we don't support IPv6.
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That's what they do in the autoconf manual; perhaps it'll squelch some
warnings I'm seeing on NetBSD 5.1 with autoconf 2.68.
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This also fixes configure-script problems on OSes that have IPv6 support
but don't have <netinet6/in6.h> - no standard I could find requires that
header for IPv6 support (the Single UNIX Specification speaks of
<netinet/in.h> for both IPv4 and IPv6, and RFCs 2292 and 3542 don't
mention <netinet6/in6.h>, just <netinet/in.h> and <netinet6/ip6.h>).
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Thanks to Cameron Elliott for pointing out that the address hadn't been
updated.
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Signed-off-by: Jamal Hadi Salim <hadi@mojatatu.com>
Signed-off-by: Michael Richardson <mcr@sandelman.ca>
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Signed-off-by: Jamal Hadi Salim <hadi@mojatatu.com>
Signed-off-by: Michael Richardson <mcr@sandelman.ca>
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+--PD
. +--PD
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. +--PD
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+--PD
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+--PD
or
+--PD
. +--PD
. +
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. +--PD
. +
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. +-- PD
. +
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. +-- PD
+--PD
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+--PD
etc
Signed-off-by: Jamal Hadi Salim <hadi@mojatatu.com>
Signed-off-by: Michael Richardson <mcr@sandelman.ca>
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See if you can spot the difference between
Pathdata: Flags 0x0 ID count 1
ID#01: 3
FULLDATA TLV (Length 10 DataLen 6 pad 2 Bytes)
[
0x0000: 0002 0406 080a 0000
]
and:
Pathdata: Flags 0x0 ID count 1
ID#01: 3
FULLDATA TLV (Length 10 DataLen 6 pad 2 Bytes)
[
0x0000: 0002 0406 080a 0000
]
Signed-off-by: Jamal Hadi Salim <hadi@mojatatu.com>
Signed-off-by: Michael Richardson <mcr@sandelman.ca>
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Hopefully this will keep people from sending "helpful" patches that
break things.
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See section 11.6 "Shell Substitutions" in the autoconf documentation,
especially the
There is just no portable way to use double-quoted strings
inside double-quoted back-quoted expressions (pfew!).
part.
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Rather than hardcode the WIN32 define, add proper fork checks to the
configure script and check those. This fixes building for nommu systems
which lack the fork function.
While we're here though, add support for this functionality via vfork
so that it does work on nommu systems. And fix an old bug where we
exit properly in the forked child when the exec failed instead of just
returning to the calling code (which isn't expecting it).
Reviewed-By: Guy Harris <guy@alum.mit.edu>
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The PROG variant does not take into consideration cross-compilation, so
it always looks for "pcap-config" which finds the host script. So use
the TOOL variant instead which first searches for the cross-prefixed
pcap-config before falling back to the bare "pcap-config".
Reviewed-By: Guy Harris <guy@alum.mit.edu>
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After finding libpcap and getting a list of other flags needed when
linking, we check for "pcap_loop()", to make sure we found a working
libpcap and have all the right other libraries with which dnl to link.
(Otherwise, for example, the check for pcap_list_datalinks() will fail,
not because the routines are missing from the library, but because we
aren't linking properly with libpcap, and that will cause confusing
errors at build time.)
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Reviewed-By: Guy Harris <guy@alum.mit.edu>
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