This can prevent bizarre failures if, for example, you've done a
configuration in the top-level source directory, leaving behind one
config.h file, and then do an out-of-tree build in another directory,
with different configuration options. This way, we always pick up the
same config.h, in the build directory.
Now all the macros have a name meaning a count in bytes.
With _S_: signed, _U_: unsigned
e.g.:
EXTRACT_BE_32BITS -> EXTRACT_BE_U_4
EXTRACT_LE_32BITS -> EXTRACT_LE_U_4
...
EXTRACT_BE_INT32 -> EXTRACT_BE_S_4
and have:
EXTRACT_8BITS -> EXTRACT_U_1
EXTRACT_INT8 -> EXTRACT_S_1
The purpose of this macro was to enable the file-by-file switch to NDO,
after which only tcpdump.c had a use of it and the definitions guarded
by it. Update tcpdump.c not to require them any more and dismiss the
unused definitions.
And, as we require at least autoconf 2.61, and as autoconf 2.61 and
later have AC_TYPE_UINTn_T and AC_TYPE_INTn_T macros, we use them to
define the uintN_t and intN_t macros if the system doesn't define them
for us.
This lets us get rid of bitypes.h as well.
Have them take a netdissect_options * argument, and get the "no name
resolution" flag from it.
Move the declaration of dnaddr_string to addrtoname.h, along with the
other XXX-to-string routines.
Remove lots of $Header's and a few $Id's that all belong to the former
CVS repository of tcpdump itself. These keywords have been frozen since
the migration to git in late 2008.
The "overlay" definition in print-sflow.c is correct, but the actual
extract for printing is using EXTRACT_32BITS rather than EXTRACT_64BITS,
which leads to an incorrect report for speed.
Reviewed-By: Guy Harris <guy@alum.mit.edu>
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.
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>
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.
