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Make it more readable.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
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xrealloc() has an additional nmemb argument compared to realloc() for
which it should serve as a wrapper. Since we always call with nmemb = 1,
we might as well remove this argument and thus have xrealloc() conform
to the realloc() function prototype.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
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Any types that are fixed width should use the standard format specifier
macros (PRI... for printf-type functions, SCN... for scanf-type
functions) to ensure proper data access.
Prior to this ifpps was crashing in 32-bit environments due to the
following call
mvwprintw(screen, (*voff)++, 2,
"%s,%s %s (%s%s), t=%lums, cpus=%u%s/%u"
" ", uts.release, machine,
ifname, drvinf.driver, buff, ms_interval, top_cpus,
top_cpus > 0 && top_cpus < cpus ? "+1" : "", cpus);
since ms_interval is a uint64_t but %lu expects an unsigned long, which
is only 32 bits.
Signed-off-by: James McCoy <vega.james@gmail.com>
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
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Currently, the path to the configuration files is hardcoded to
$PREFIX/etc/netsniff-ng.
If we want to keep the configuration files outside of prefix (e.g.
during development), we need to pass the complete path as specified in
$ETCDIRE (and $ETCDIR respectively, which could e.g. be overriden on the
command line during build install) as a preprocessor define.
This way, we can e.g. install the configuration files to /etc while
installing the binaries in /usr/local with:
$ make PREFIX=/usr/local ETCDIR=/etc
$ make PREFIX=/usr/local ETCDIR=/etc install
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
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Check the return value of system() when invoking CPP in the BPF
parser and bail out in case of an error.
This fixes the following compiler warning:
trafgen_parser.y:598:9: warning: ignoring return value of ‘system’, declared with attribute warn_unused_result [-Wunused-result]
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
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Finally eliminate xutils.{c,h} and move the rest to epoll2.
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
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Break out all string handling functions and lockme stuff in order
to further eliminate the big code blob in xutils, so that it can
be easier maintained.
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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Jon Schipp reported that a arbitrary packet config
such as ...
{
"MyPacket",
"MyPacket",
"MyPacket",
"MyPacket",
"MyPacket",
"MyPacket",
"MyPacket",
"MyPacket",
}
... doesn't work anymore, although it used to work. This
regression was introduced by commit f9591eebe40c ("trafgen:
lexer/parser: fix cpu() selection and whitespacing").
Reported-by: Jon Schipp <jonschipp@gmail.com>
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
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Do not enforce whitespace at the beginning or end of a packet
configuration, there's no reason to do so.
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
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The previous commit reduced it, so now we allow it within cX() containers
in order to negate a result, if someone needs that.
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
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It looks unintuitive when once needs to write cpu(0:3), so also allow
cpu(0-3). Then it's quite stupid to enforce whitespace after the double
colon before the curley braces open. So make this rather optional here.
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
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When setting a prefix from the build system, also pass this through the
hard coded strings for config file locations in the toolkit, so that the
installed files (which use PREFIX) can be properly found.
Suggested-by: Peter Stuge <peter@stuge.se>
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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