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When using a filter with netsniff-ng without libpcap support, e.g.
$ netsniff-ng --in eth0 tcp or udp
we get the error:
Cannot compile filter tcp or udp
which isn't correct and might be confusing for the user as the intention
wasn't to specify a filter file but a filter string. Correct the error
message accordingly.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
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Only die.h is needed in the header for panic().
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
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This patch is a bundle of multiple fixes.
1) Fix compilation of astraceroute when HAVE_LIBPCAP=1:
astraceroute doesn't need libpcap, so add an additional
guard/define to bpf.h and bpf_comp.c and netsniff-ng.c.
Also since we generate a config.h file, we do not need
to have this additional compile flag anymore.
2) Fix tstamping.{h,c} to use the configure script instead
of the Makefile. For doing this, also fix the object
inclusion in netsniff-ng/Makefile.
Last but not least, rename __WITH_... into HAVE_... as this
is more clean.
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
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Move them into a separate header file, so that it is more clean.
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
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Remove header comments where appropriate. And also clean up colorize
a bit.
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
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Some regarding unused parameter, some regarding signed/unsigned
comparison.
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
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In preparation for [1], add the #poff operation, so that users can
dynamically truncate packets on the payload start offset. This is
useful for several reasons: privacy, speed, ...
Example for bpfc:
ld #poff
ret a
[1] http://thread.gmane.org/gmane.linux.network/262512
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
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We decided to get rid of the old Git history and start a new one for
several reasons:
*) Allow / enforce only high-quality commits (which was not the case
for many commits in the history), have a policy that is more close
to the one from the Linux kernel. With high quality commits, we
mean code that is logically split into commits and commit messages
that are signed-off and have a proper subject and message body.
We do not allow automatic Github merges anymore, since they are
total bullshit. However, we will either cherry-pick your patches
or pull them manually.
*) The old archive was about ~27MB for no particular good reason.
This basically derived from the bad decision that also some PDF
files where stored there. From this moment onwards, no binary
objects are allowed to be stored in this repository anymore.
The old archive is not wiped away from the Internet. You will still
be able to find it, e.g. on git.cryptoism.org etc.
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
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