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Adding upstream version 2.0.0.

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Signed-off-by: Daniel Baumann <daniel@debian.org>
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Daniel Baumann 2025-02-05 19:00:35 +01:00
parent 564691d061
commit 8a0fa2b011
Signed by: daniel
GPG key ID: FBB4F0E80A80222F
28 changed files with 10291 additions and 0 deletions
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2021-07-16 Jerry Lundström
Release 2.0.0
This major release is a complete rewrite of drool to Lua using dnsjit!
This includes two commands:
- `drool replay`: replay DNS traffic from packet capture (PCAP) files
and send it to a specified server, with options such as to manipulate
the timing between packets, as well as loop packets infinitely or for
a set number of iterations.
- `drool respdiff`: replay DNS queries found in the PCAP, but only if
a correlating response is also found. The query, original response
and the received response is then stored into a LMDB database which
can then be used by respdiff by CZ.NIC (see https://gitlab.labs.nic.cz/knot/respdiff)
for analysis.
See `man drool`, `man drool reply` and `man drool respdiff` for more
information.
9357c54 RPM
dc27432 configure
5a60fd3 Bye Travis
21d950c Info, Travis
eb44217 Badges
5623d60 COPR
1b5bd66 COPR, spec
2033d26 Package
61264d2 Funding
c3eb323 (tag: v1.99.4) Copyright, v1.99.4
ff9dfd5 Timing Mode
fc55d2d (tag: v1.99.3) Respdiff fix
e432c91 (tag: v1.99.2) Respdiff, v1.99.2
8e99d0e Dependencies
46712c0 Packaging
dcc5450 Configure options
de63694 (tag: v1.99.1) Rewrite, v1.99.1
e96a9f9 (tag: v1.99.0) Backends
8c99925 pcapthread
cf3f65a Split
99542e5 Rewrite into Lua using `dnsjit`
2018-02-16 Jerry Lundström
Release 1.1.0
Rework of the timing code to make it more effective, based on
proof-of-concept from Petr Špaček @pspacek (CZ.NIC).
The `best_effort` timing mode is now deprecated, this is now the same
mode as `keep` and the warnings `keep` made when unable to follow
timings have been removed.
6e81a31 Timing
d30918c WIP: timing rework
2018-01-16 Jerry Lundström
Release 1.0.2
Bugfixes:
- TCP option parsing was fixed in pcap-thread 3.0.0 but the work-around
code was still in drool
- The month in the console output was incorrect
a47ed95 Update copyright year
4d44801 TCP options was fixed in pcap-thread 3.0.0
cb5cebf Fix #93: `tm_mon` is 0-11
2017-12-19 Jerry Lundström
Release 1.0.1 (v1.0)
Thanks to a few people, especially Petr Špaček @pspacek (CZ.NIC), for
testing and reporting issues and other oddities (documentation is hard),
release v1.0 is now ready!
Increase of version because of how distributions compare package versions.
f9a55bc Update pcap-thread to v3.1.0
9c26a5a pcap-thread and tests
a069d84 Fix #87: Use `sockaddr_storage`, add more debug and error messages
047abe6 Fix #84: don't loop client list on timeout handling
5377698 Fix #82: Parse TCP payload, add Known Issues
05013f0 Fix #82: Send query length
aea71ad Correct `timing multiply` in README also
6437fe7 Fix man page example for timing multiply
2017-09-18 Jerry Lundström
Release 1.0.0-rc.1
Mostly documentation updates and clarifications but also a new timing
mode `best_effort` to send packets as fast as possible without warnings
and a correct usage of `nanosleep()` on systems that does not support
`clock_nanosleep()`.
114f984 Fix #74: Best effort timing mode, fix usage of `nanosleep()`
a32201c Rework development notes
3999214 Add examples and default values
1e70ab9 Design documentation
6e530ee Fix #64: More documentation around context and client_pool,
and how configuration relates to each other.
2017-08-22 Jerry Lundström
Release 1.0.0-beta.4
Compatibility fixes and packaging.
f6b6251 Fix #66: Check for libev/ev.h also
8dff723 Code formatting
a5af21d Update pcap-thread to v2.1.3
e622612 Prepare SPEC for OSB/COPR
3c8fbb0 Fix #57: Update README with build tools and environment setup
456d586 Add debian packaging files
a0a74cb Add dependencies
2017-03-29 Jerry Lundström
Release 1.0.0-beta.3
Various compatibility fixes across GNU/Linux, FreeBSD, OpenBSD and
OS X, along with a bugfix in pcap-thread.
Special thanks to Brian Carpenter (@geeknik) for fuzzing drool.
82273cc Fix #50: Compat for OS X
fc9d87c Issue #50: Update pcap-thread to v2.1.2
04817f0 const not needed on size_t
7ab1811 Update submodules: sllq v1.0.0, parseconf v1.0.0 and omg-dns
v1.0.0
242c67a Fix CID 1421861
9f3914f Add Travis and Coverity badges
ae33c90 Check for `clock_gettime()` in librt, needed for older glibc
594c877 Add Travis-CI
b7e19a2 Fix compiler warnings and check errors from `sigwait()`
3b9f2dc Fix #43, fix #44, fix #45: Update pcap-thread to fix one off
in IP layer
2017-03-25 Jerry Lundström
Release 1.0.0-beta.2
Some minor changes and documentation updates prior to making the
repository public.
79ce5cc Add description
3f63cff Update all submodules to latest develop
0bbe9dc Log format
2017-03-06 Jerry Lundström
Release 1.0.0-beta.1
Documentation and packaging for CentOS to prepare for release candidate.
New command line option:
- `-n` to run in dry-run mode
a61d1fa Fix #9: Documentation
ee93ced Impl timing multiply
7cfaf84 Tests, dry run and updated SLLQ
2017-03-02 Jerry Lundström
Release 1.0.0-alpha.3
Reworked some of the client code to better handle stream sockets (TCP),
retrys to send query if the system's sockets are exhausted. Can send
queries as the original protocol or force them into UDP or TCP.
Default number of client pools running per context is now 1, increase
this if you want to push UDP queries. For TCP this has little effect
since you will most likely hit system limits before that.
Config changes:
- Added `context client_pools num;`
- Added `client_pool max_reuse_clients num;`
- Added `client_pool sendas what;`
Other changes:
- Add timing details to warning about not keeping up with timings
f8805da TCP, send as, proper shutdown
800e971 Include CHANGES in dist
cae9834 Honor previous fd flags
2017-02-21 Jerry Lundström
Release 1.0.0-alpha.2
This release implements the core engine and most of the network code
which consists of:
- parsing DNS packet from input using omg-dns
- sending queries to a client pool using sllq
- processing queries using client objects and libev event loops
Handling results/responses have yet been implemented.
Command line option changes:
- Added `-R` to specify read mode for PCAP files
- Removed `-w` and `-o`
Config changes:
- Added `timing ignore;`
- Added `timing keep;`
- Added `timing add nanoseconds;`
- Added `timing reduce nanoseconds;`
- Added `timing multiply float;`, note: no logic added yet
- Added `client_pool target "ip" "port";`
- Added `client_pool max_clients num;`
- Added `client_pool client_ttl float;`
- Added `client_pool skip_reply;`
- Removed `read`, `input`, `write` and `output`
246c9ad Update README with example, build info and copyright etc
94ce650 Loop/iteration read, lag detect and documentation
7bda852 Send as, multi client pools per context
e233f51 Tweaks
3d0dae4 Rework network code
5d2e492 Update conf example and man-page
9d2b4a3 Split conf, skip reply
c9cc5a2 Use parseconf submodule
64241b8 Check for `clock_nanosleep()`, `nanosleep()` and use what it
available
bbdcb07 A lot of more stuff
2017-01-20 Jerry Lundström
Release 1.0.0-alpha.1
First release, has command line options, conf file handling, logging,
man-pages, can capture/read interface/pcaps and will display some
statistics at exit.
$ src/drool -h
$ src/drool -vv -r file.pcap
$ man src/drool.1
$ man src/drool.conf.5
bb5602c Fix #3
a46d040 Fix #13: Add license
5b43516 Fix #4: Basic layout for opts, conf, logging, skeleton man-pages
and tests
a9b6ab5 Fix #1: Add initial files and directories
aca355b Initial commit

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DNS Reply Tool (drool)
Copyright (c) 2017-2021, OARC, Inc.
Copyright (c) 2017, Comcast Corporation
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. Neither the name of the copyright holder nor the names of its
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.

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# DNS Reply Tool (drool)
#
# Copyright (c) 2017-2021, OARC, Inc.
# Copyright (c) 2017, Comcast Corporation
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
#
# 3. Neither the name of the copyright holder nor the names of its
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#
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# DNS Replay Tool (drool)
`drool` can replay DNS traffic from packet capture (PCAP) files and send
it to a specified server, with options such as to manipulate the timing
between packets, as well as loop packets infinitely or for a set number
of iterations. This tool's goal is to be able to produce a high amount
of UDP packets per second and TCP sessions per second on common hardware.
The purpose can be to simulate Distributed Denial of Service (DDoS) attacks
on the DNS and measure normal DNS querying. For example, the tool could
enable you to take a snapshot of a DDoS and be able to replay it later
to test if new code or hardening techniques are useful, safe & effective.
Another example is to be able to replay a packet stream for a
bug that is sequence- and/or timing-related in order to validate the
efficacy of subsequent bug fixes.
More information may be found here:
- https://www.dns-oarc.net/tools/drool
Issues should be reported here:
- https://github.com/DNS-OARC/drool/issues
General support and discussion:
- Mattermost: https://chat.dns-oarc.net/community/channels/oarc-software
## Known Issues
- IP fragments are currently not processed and will be discarded.
- TCP sessions are not reassembled, each packet is parsed as DNS after
discarding the first two bytes.
## Usage example
Send all DNS queries twice as fast as found in the PCAP file to localhost
using UDP.
```shell
drool replay --timing multiply=0.5 --no-tcp file.pcap 127.0.0.1 53
```
Send all DNS queries over TCP to localhost as they were recorded.
```shell
drool replay --timing keep --no-udp file.pcap 127.0.0.1 53
```
Take all DNS queries found in the PCAP file and send them as fast as possible
over UDP to localhost by ignoring both timings, replies and starting 3 threads
that will simultaneously send queries.
```shell
drool replay --no-tcp --no-responses --threads --udp-threads 3 file.pcap 127.0.0.1 53
```
## Dependencies
`drool` is built upon [dnsjit](https://github.com/DNS-OARC/dnsjit) and
requires it to be installed along with autoconf/automake.
## Build
```
sh autogen.sh
./configure
make
make test
make install
```
## Author(s)
Jerry Lundström <jerry@dns-oarc.net>
## Copyright
Copyright (c) 2017-2021, OARC, Inc.
Copyright (c) 2017, Comcast Corporation
All rights reserved.
```
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. Neither the name of the copyright holder nor the names of its
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
```

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# The $UID and $GID variables are not portable, so we need to resort
# to the POSIX-mandated id(1) utility. Errors in the 'id' calls
# below are definitely unexpected, so allow the users to see them
# (that is, avoid stderr redirection).
am_uid=`id -u || echo unknown`
am_gid=`id -g || echo unknown`
AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format])
if test $am_uid -le $am_max_uid; then
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
_am_tools=none
fi
AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format])
if test $am_gid -le $am_max_gid; then
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
_am_tools=none
fi],
[pax],
[],
[m4_fatal([Unknown tar format])])
AC_MSG_CHECKING([how to create a $1 tar archive])
# Go ahead even if we have the value already cached. We do so because we
# need to set the values for the 'am__tar' and 'am__untar' variables.
_am_tools=${am_cv_prog_tar_$1-$_am_tools}
for _am_tool in $_am_tools; do
case $_am_tool in
gnutar)
for _am_tar in tar gnutar gtar; do
AM_RUN_LOG([$_am_tar --version]) && break
done
am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
am__untar="$_am_tar -xf -"
;;
plaintar)
# Must skip GNU tar: if it does not support --format= it doesn't create
# ustar tarball either.
(tar --version) >/dev/null 2>&1 && continue
am__tar='tar chf - "$$tardir"'
am__tar_='tar chf - "$tardir"'
am__untar='tar xf -'
;;
pax)
am__tar='pax -L -x $1 -w "$$tardir"'
am__tar_='pax -L -x $1 -w "$tardir"'
am__untar='pax -r'
;;
cpio)
am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
am__untar='cpio -i -H $1 -d'
;;
none)
am__tar=false
am__tar_=false
am__untar=false
;;
esac
# If the value was cached, stop now. We just wanted to have am__tar
# and am__untar set.
test -n "${am_cv_prog_tar_$1}" && break
# tar/untar a dummy directory, and stop if the command works.
rm -rf conftest.dir
mkdir conftest.dir
echo GrepMe > conftest.dir/file
AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
rm -rf conftest.dir
if test -s conftest.tar; then
AM_RUN_LOG([$am__untar <conftest.tar])
AM_RUN_LOG([cat conftest.dir/file])
grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
fi
done
rm -rf conftest.dir
AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
AC_MSG_RESULT([$am_cv_prog_tar_$1])])
AC_SUBST([am__tar])
AC_SUBST([am__untar])
]) # _AM_PROG_TAR

3689
configure vendored Executable file
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File diff suppressed because it is too large Load diff

86
configure.ac Normal file
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@ -0,0 +1,86 @@
# DNS Reply Tool (drool)
#
# Copyright (c) 2017-2021, OARC, Inc.
# Copyright (c) 2017, Comcast Corporation
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
#
# 3. Neither the name of the copyright holder nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
AC_PREREQ(2.61)
AC_INIT([drool], [2.0.0], [admin@dns-oarc.net], [drool], [https://github.com/DNS-OARC/drool/issues])
AM_INIT_AUTOMAKE([-Wall -Werror foreign subdir-objects])
AC_CONFIG_SRCDIR([src/drool.in])
AC_CONFIG_MACRO_DIR([m4])
# Checks for programs.
DNSJIT_ROOT=
AC_ARG_WITH([dnsjit], [AS_HELP_STRING([--with-dnsjit=PATH], [Use PATH when checking for dnsjit binaries])], [
AC_PATH_PROG([DNSJIT],[dnsjit],,[$withval/bin])
DNSJIT_ROOT="$withval"
], [
AC_PATH_PROG([DNSJIT],[dnsjit])
])
AC_SUBST([DNSJIT_ROOT])
AS_IF([test "x$ac_cv_path_DNSJIT" = "x"], [
AC_MSG_ERROR([dnsjit was not found])
])
AC_MSG_CHECKING([for dnsjit >= 1.0.0])
AS_IF(["$DNSJIT" "$srcdir/dnsjit_version.lua" 1 0 0 2>/dev/null], [
AC_MSG_RESULT([yes])
], [
AC_MSG_RESULT([no])
AC_MSG_ERROR([dnsjit version does not meet the requirements])
])
# Check --enable-warn-all, placeholer for OARC projects wide options
AC_ARG_ENABLE([warn-all])
# Check --with-extra-cflags, placeholer for OARC projects wide options
AC_ARG_WITH([extra-cflags])
# Check --with-extra-ldflags, placeholer for OARC projects wide options
AC_ARG_WITH([extra-ldflags])
# Check --with-shebang
AC_ARG_WITH([shebang], [AS_HELP_STRING([--with-shebang=shebang], [Set the shebang to use (without #!, default to /usr/bin/env dnsjit)])], [
AC_MSG_NOTICE([using shebang... $withval])
AC_SUBST([DROOL_SHEBANG], ["$withval"])
], [
AC_MSG_NOTICE([using shebang... /usr/bin/env dnsjit])
AC_SUBST([DROOL_SHEBANG], ["/usr/bin/env dnsjit"])
])
# Output Makefiles
AC_CONFIG_FILES([
Makefile
src/Makefile
src/test/Makefile
])
AC_OUTPUT

11
dnsjit_version.lua Normal file
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@ -0,0 +1,11 @@
local _, major, minor, patch = unpack(arg)
major = tonumber(major)
minor = tonumber(minor)
patch = tonumber(patch)
if DNSJIT_MAJOR_VERSION > major then os.exit(0) end
if DNSJIT_MAJOR_VERSION < major then os.exit(1) end
if DNSJIT_MINOR_VERSION > minor then os.exit(0) end
if DNSJIT_MINOR_VERSION < minor then os.exit(1) end
if DNSJIT_PATCH_VERSION > patch then os.exit(0) end
if DNSJIT_PATCH_VERSION < patch then os.exit(1) end
os.exit(0)

518
install-sh Executable file
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@ -0,0 +1,518 @@
#!/bin/sh
# install - install a program, script, or datafile
scriptversion=2018-03-11.20; # UTC
# This originates from X11R5 (mit/util/scripts/install.sh), which was
# later released in X11R6 (xc/config/util/install.sh) with the
# following copyright and license.
#
# Copyright (C) 1994 X Consortium
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to
# deal in the Software without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC-
# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#
# Except as contained in this notice, the name of the X Consortium shall not
# be used in advertising or otherwise to promote the sale, use or other deal-
# ings in this Software without prior written authorization from the X Consor-
# tium.
#
#
# FSF changes to this file are in the public domain.
#
# Calling this script install-sh is preferred over install.sh, to prevent
# 'make' implicit rules from creating a file called install from it
# when there is no Makefile.
#
# This script is compatible with the BSD install script, but was written
# from scratch.
tab=' '
nl='
'
IFS=" $tab$nl"
# Set DOITPROG to "echo" to test this script.
doit=${DOITPROG-}
doit_exec=${doit:-exec}
# Put in absolute file names if you don't have them in your path;
# or use environment vars.
chgrpprog=${CHGRPPROG-chgrp}
chmodprog=${CHMODPROG-chmod}
chownprog=${CHOWNPROG-chown}
cmpprog=${CMPPROG-cmp}
cpprog=${CPPROG-cp}
mkdirprog=${MKDIRPROG-mkdir}
mvprog=${MVPROG-mv}
rmprog=${RMPROG-rm}
stripprog=${STRIPPROG-strip}
posix_mkdir=
# Desired mode of installed file.
mode=0755
chgrpcmd=
chmodcmd=$chmodprog
chowncmd=
mvcmd=$mvprog
rmcmd="$rmprog -f"
stripcmd=
src=
dst=
dir_arg=
dst_arg=
copy_on_change=false
is_target_a_directory=possibly
usage="\
Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
or: $0 [OPTION]... SRCFILES... DIRECTORY
or: $0 [OPTION]... -t DIRECTORY SRCFILES...
or: $0 [OPTION]... -d DIRECTORIES...
In the 1st form, copy SRCFILE to DSTFILE.
In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
In the 4th, create DIRECTORIES.
Options:
--help display this help and exit.
--version display version info and exit.
-c (ignored)
-C install only if different (preserve the last data modification time)
-d create directories instead of installing files.
-g GROUP $chgrpprog installed files to GROUP.
-m MODE $chmodprog installed files to MODE.
-o USER $chownprog installed files to USER.
-s $stripprog installed files.
-t DIRECTORY install into DIRECTORY.
-T report an error if DSTFILE is a directory.
Environment variables override the default commands:
CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG
RMPROG STRIPPROG
"
while test $# -ne 0; do
case $1 in
-c) ;;
-C) copy_on_change=true;;
-d) dir_arg=true;;
-g) chgrpcmd="$chgrpprog $2"
shift;;
--help) echo "$usage"; exit $?;;
-m) mode=$2
case $mode in
*' '* | *"$tab"* | *"$nl"* | *'*'* | *'?'* | *'['*)
echo "$0: invalid mode: $mode" >&2
exit 1;;
esac
shift;;
-o) chowncmd="$chownprog $2"
shift;;
-s) stripcmd=$stripprog;;
-t)
is_target_a_directory=always
dst_arg=$2
# Protect names problematic for 'test' and other utilities.
case $dst_arg in
-* | [=\(\)!]) dst_arg=./$dst_arg;;
esac
shift;;
-T) is_target_a_directory=never;;
--version) echo "$0 $scriptversion"; exit $?;;
--) shift
break;;
-*) echo "$0: invalid option: $1" >&2
exit 1;;
*) break;;
esac
shift
done
# We allow the use of options -d and -T together, by making -d
# take the precedence; this is for compatibility with GNU install.
if test -n "$dir_arg"; then
if test -n "$dst_arg"; then
echo "$0: target directory not allowed when installing a directory." >&2
exit 1
fi
fi
if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then
# When -d is used, all remaining arguments are directories to create.
# When -t is used, the destination is already specified.
# Otherwise, the last argument is the destination. Remove it from $@.
for arg
do
if test -n "$dst_arg"; then
# $@ is not empty: it contains at least $arg.
set fnord "$@" "$dst_arg"
shift # fnord
fi
shift # arg
dst_arg=$arg
# Protect names problematic for 'test' and other utilities.
case $dst_arg in
-* | [=\(\)!]) dst_arg=./$dst_arg;;
esac
done
fi
if test $# -eq 0; then
if test -z "$dir_arg"; then
echo "$0: no input file specified." >&2
exit 1
fi
# It's OK to call 'install-sh -d' without argument.
# This can happen when creating conditional directories.
exit 0
fi
if test -z "$dir_arg"; then
if test $# -gt 1 || test "$is_target_a_directory" = always; then
if test ! -d "$dst_arg"; then
echo "$0: $dst_arg: Is not a directory." >&2
exit 1
fi
fi
fi
if test -z "$dir_arg"; then
do_exit='(exit $ret); exit $ret'
trap "ret=129; $do_exit" 1
trap "ret=130; $do_exit" 2
trap "ret=141; $do_exit" 13
trap "ret=143; $do_exit" 15
# Set umask so as not to create temps with too-generous modes.
# However, 'strip' requires both read and write access to temps.
case $mode in
# Optimize common cases.
*644) cp_umask=133;;
*755) cp_umask=22;;
*[0-7])
if test -z "$stripcmd"; then
u_plus_rw=
else
u_plus_rw='% 200'
fi
cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;;
*)
if test -z "$stripcmd"; then
u_plus_rw=
else
u_plus_rw=,u+rw
fi
cp_umask=$mode$u_plus_rw;;
esac
fi
for src
do
# Protect names problematic for 'test' and other utilities.
case $src in
-* | [=\(\)!]) src=./$src;;
esac
if test -n "$dir_arg"; then
dst=$src
dstdir=$dst
test -d "$dstdir"
dstdir_status=$?
else
# Waiting for this to be detected by the "$cpprog $src $dsttmp" command
# might cause directories to be created, which would be especially bad
# if $src (and thus $dsttmp) contains '*'.
if test ! -f "$src" && test ! -d "$src"; then
echo "$0: $src does not exist." >&2
exit 1
fi
if test -z "$dst_arg"; then
echo "$0: no destination specified." >&2
exit 1
fi
dst=$dst_arg
# If destination is a directory, append the input filename.
if test -d "$dst"; then
if test "$is_target_a_directory" = never; then
echo "$0: $dst_arg: Is a directory" >&2
exit 1
fi
dstdir=$dst
dstbase=`basename "$src"`
case $dst in
*/) dst=$dst$dstbase;;
*) dst=$dst/$dstbase;;
esac
dstdir_status=0
else
dstdir=`dirname "$dst"`
test -d "$dstdir"
dstdir_status=$?
fi
fi
case $dstdir in
*/) dstdirslash=$dstdir;;
*) dstdirslash=$dstdir/;;
esac
obsolete_mkdir_used=false
if test $dstdir_status != 0; then
case $posix_mkdir in
'')
# Create intermediate dirs using mode 755 as modified by the umask.
# This is like FreeBSD 'install' as of 1997-10-28.
umask=`umask`
case $stripcmd.$umask in
# Optimize common cases.
*[2367][2367]) mkdir_umask=$umask;;
.*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;;
*[0-7])
mkdir_umask=`expr $umask + 22 \
- $umask % 100 % 40 + $umask % 20 \
- $umask % 10 % 4 + $umask % 2
`;;
*) mkdir_umask=$umask,go-w;;
esac
# With -d, create the new directory with the user-specified mode.
# Otherwise, rely on $mkdir_umask.
if test -n "$dir_arg"; then
mkdir_mode=-m$mode
else
mkdir_mode=
fi
posix_mkdir=false
case $umask in
*[123567][0-7][0-7])
# POSIX mkdir -p sets u+wx bits regardless of umask, which
# is incompatible with FreeBSD 'install' when (umask & 300) != 0.
;;
*)
# Note that $RANDOM variable is not portable (e.g. dash); Use it
# here however when possible just to lower collision chance.
tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
trap 'ret=$?; rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir" 2>/dev/null; exit $ret' 0
# Because "mkdir -p" follows existing symlinks and we likely work
# directly in world-writeable /tmp, make sure that the '$tmpdir'
# directory is successfully created first before we actually test
# 'mkdir -p' feature.
if (umask $mkdir_umask &&
$mkdirprog $mkdir_mode "$tmpdir" &&
exec $mkdirprog $mkdir_mode -p -- "$tmpdir/a/b") >/dev/null 2>&1
then
if test -z "$dir_arg" || {
# Check for POSIX incompatibilities with -m.
# HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
# other-writable bit of parent directory when it shouldn't.
# FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
test_tmpdir="$tmpdir/a"
ls_ld_tmpdir=`ls -ld "$test_tmpdir"`
case $ls_ld_tmpdir in
d????-?r-*) different_mode=700;;
d????-?--*) different_mode=755;;
*) false;;
esac &&
$mkdirprog -m$different_mode -p -- "$test_tmpdir" && {
ls_ld_tmpdir_1=`ls -ld "$test_tmpdir"`
test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
}
}
then posix_mkdir=:
fi
rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir"
else
# Remove any dirs left behind by ancient mkdir implementations.
rmdir ./$mkdir_mode ./-p ./-- "$tmpdir" 2>/dev/null
fi
trap '' 0;;
esac;;
esac
if
$posix_mkdir && (
umask $mkdir_umask &&
$doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir"
)
then :
else
# The umask is ridiculous, or mkdir does not conform to POSIX,
# or it failed possibly due to a race condition. Create the
# directory the slow way, step by step, checking for races as we go.
case $dstdir in
/*) prefix='/';;
[-=\(\)!]*) prefix='./';;
*) prefix='';;
esac
oIFS=$IFS
IFS=/
set -f
set fnord $dstdir
shift
set +f
IFS=$oIFS
prefixes=
for d
do
test X"$d" = X && continue
prefix=$prefix$d
if test -d "$prefix"; then
prefixes=
else
if $posix_mkdir; then
(umask=$mkdir_umask &&
$doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break
# Don't fail if two instances are running concurrently.
test -d "$prefix" || exit 1
else
case $prefix in
*\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;;
*) qprefix=$prefix;;
esac
prefixes="$prefixes '$qprefix'"
fi
fi
prefix=$prefix/
done
if test -n "$prefixes"; then
# Don't fail if two instances are running concurrently.
(umask $mkdir_umask &&
eval "\$doit_exec \$mkdirprog $prefixes") ||
test -d "$dstdir" || exit 1
obsolete_mkdir_used=true
fi
fi
fi
if test -n "$dir_arg"; then
{ test -z "$chowncmd" || $doit $chowncmd "$dst"; } &&
{ test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } &&
{ test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false ||
test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1
else
# Make a couple of temp file names in the proper directory.
dsttmp=${dstdirslash}_inst.$$_
rmtmp=${dstdirslash}_rm.$$_
# Trap to clean up those temp files at exit.
trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
# Copy the file name to the temp name.
(umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") &&
# and set any options; do chmod last to preserve setuid bits.
#
# If any of these fail, we abort the whole thing. If we want to
# ignore errors from any of these, just make sure not to ignore
# errors from the above "$doit $cpprog $src $dsttmp" command.
#
{ test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } &&
{ test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } &&
{ test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } &&
{ test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } &&
# If -C, don't bother to copy if it wouldn't change the file.
if $copy_on_change &&
old=`LC_ALL=C ls -dlL "$dst" 2>/dev/null` &&
new=`LC_ALL=C ls -dlL "$dsttmp" 2>/dev/null` &&
set -f &&
set X $old && old=:$2:$4:$5:$6 &&
set X $new && new=:$2:$4:$5:$6 &&
set +f &&
test "$old" = "$new" &&
$cmpprog "$dst" "$dsttmp" >/dev/null 2>&1
then
rm -f "$dsttmp"
else
# Rename the file to the real destination.
$doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null ||
# The rename failed, perhaps because mv can't rename something else
# to itself, or perhaps because mv is so ancient that it does not
# support -f.
{
# Now remove or move aside any old file at destination location.
# We try this two ways since rm can't unlink itself on some
# systems and the destination file might be busy for other
# reasons. In this case, the final cleanup might fail but the new
# file should still install successfully.
{
test ! -f "$dst" ||
$doit $rmcmd -f "$dst" 2>/dev/null ||
{ $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null &&
{ $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; }
} ||
{ echo "$0: cannot unlink or rename $dst" >&2
(exit 1); exit 1
}
} &&
# Now rename the file to the real destination.
$doit $mvcmd "$dsttmp" "$dst"
}
fi || exit 1
trap '' 0
fi
done
# Local variables:
# eval: (add-hook 'before-save-hook 'time-stamp)
# time-stamp-start: "scriptversion="
# time-stamp-format: "%:y-%02m-%02d.%02H"
# time-stamp-time-zone: "UTC0"
# time-stamp-end: "; # UTC"
# End:

0
m4/.placeholder Normal file
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215
missing Executable file
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@ -0,0 +1,215 @@
#! /bin/sh
# Common wrapper for a few potentially missing GNU programs.
scriptversion=2018-03-07.03; # UTC
# Copyright (C) 1996-2018 Free Software Foundation, Inc.
# Originally written by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
# As a special exception to the GNU General Public License, if you
# distribute this file as part of a program that contains a
# configuration script generated by Autoconf, you may include it under
# the same distribution terms that you use for the rest of that program.
if test $# -eq 0; then
echo 1>&2 "Try '$0 --help' for more information"
exit 1
fi
case $1 in
--is-lightweight)
# Used by our autoconf macros to check whether the available missing
# script is modern enough.
exit 0
;;
--run)
# Back-compat with the calling convention used by older automake.
shift
;;
-h|--h|--he|--hel|--help)
echo "\
$0 [OPTION]... PROGRAM [ARGUMENT]...
Run 'PROGRAM [ARGUMENT]...', returning a proper advice when this fails due
to PROGRAM being missing or too old.
Options:
-h, --help display this help and exit
-v, --version output version information and exit
Supported PROGRAM values:
aclocal autoconf autoheader autom4te automake makeinfo
bison yacc flex lex help2man
Version suffixes to PROGRAM as well as the prefixes 'gnu-', 'gnu', and
'g' are ignored when checking the name.
Send bug reports to <bug-automake@gnu.org>."
exit $?
;;
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# DNS Reply Tool (drool)
#
# Copyright (c) 2017-2021, OARC, Inc.
# Copyright (c) 2017, Comcast Corporation
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
#
# 3. Neither the name of the copyright holder nor the names of its
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#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# Tell versions [3.59,3.63) of GNU make to not export all variables.
# Otherwise a system limit (for SysV at least) may be exceeded.
.NOEXPORT:

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.\" DNS Reply Tool (drool)
.\"
.\" Copyright (c) 2017-2021, OARC, Inc.
.\" Copyright (c) 2017, Comcast Corporation
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\"
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\"
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in
.\" the documentation and/or other materials provided with the
.\" distribution.
.\"
.\" 3. Neither the name of the copyright holder nor the names of its
.\" contributors may be used to endorse or promote products derived
.\" from this software without specific prior written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
.\" "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
.\" LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
.\" FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
.\" COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
.\" BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
.\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
.\" CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
.\" ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
.\" POSSIBILITY OF SUCH DAMAGE.
.\"
.TH drool 1 "@PACKAGE_VERSION@" "DNS Replay Tool"
.SH NAME
drool \- DNS Replay Tool
.SH SYNOPSIS
.B drool replay
[
.I options
]
.B file
.B host
.B port
.SH DESCRIPTION
\fBdrool\fR can replay DNS traffic from packet capture (PCAP) files and send
it to a specified server, with options such as to manipulate the timing
between packets, as well as loop packets infinitely or for a set number
of iterations.
This tool's goal is to be able to produce a high amount of UDP packets per
second and TCP sessions per second on common hardware.
The purpose can be to simulate Distributed Denial of Service (DDoS) attacks
on the DNS and measure normal DNS querying.
For example, the tool could enable you to take a snapshot of a DDoS and be
able to replay it later to test if new code or hardening techniques are
useful, safe & effective.
Another example is to be able to replay a packet stream for a bug that is
sequence- and/or timing-related in order to validate the efficacy of
subsequent bug fixes.
.SH OPTIONS
These options are specific for the
.B replay
command, see
.IR drool (1)
for generic options.
.TP
.B \-D
Show DNS queries and responses as processing goes.
.TP
.B \-n \-\-no\-responses
Do not wait for responses before sending next request.
.TP
.B \-\-no\-tcp
Do not use TCP.
.TP
.B \-\-no\-udp
Do not use UDP.
.TP
.B \-T \-\-threads
Use threads.
.TP
.B \-\-tcp\-threads N
Set the number of TCP threads to use, default 2.
.TP
.B \-\-udp\-threads N
Set the number of UDP threads to use, default 4.
.TP
.B \-\-timeout N.N
Set timeout for waiting on responses [seconds.nanoseconds], default 10.0.
.TP
.B \-t \-\-timing mode[=option]
Set the timing mode, see TIMING MODES.
.SH EXAMPLES
.TP
.B drool replay \-\-timing multiply=0.5 \-\-no\-tcp file.pcap 127.0.0.1 53
Send all DNS queries twice as fast as found in the PCAP file to localhost
using UDP.
.TP
.B drool replay \-\-timing keep \-\-no\-udp file.pcap 127.0.0.1 53
Send all DNS queries over TCP to localhost as they were recorded.
.TP
.B drool replay \-\-no\-tcp \-\-no\-responses \-\-threads \-\-udp\-threads 3 file.pcap 127.0.0.1 53
Take all DNS queries found in the PCAP file and send them as fast as possible
over UDP to localhost by ignoring both timings, replies and starting 3 threads
that will simultaneously send queries.
.SH TIMING MODES
.TP
.B ignore
Set the timing mode to ignore all timings and try to send traffic as fast
as possible (default).
.TP
.B keep
Set the timing mode to try and keep up with interval between the traffic
received.
.TP
.B add=<nanoseconds>
Set the timing mode to add the given nanoseconds to the interval between
the traffic received.
.TP
.B reduce=<nanoseconds>
Set the timing mode to reduce the interval between the traffic received
with the given nanoseconds.
.TP
.B multiply=<float>
Set the timing mode to multiply the interval between the traffic received,
this can be thought as percent with 1.00 being 100% of the interval, 2.00
being 200%, 0.10 being 10% and so on.
.TP
.B fixed=<nanoseconds>
Set the timing between packets to the given nanoseconds.
.SH SEE ALSO
drool(1)
.SH AUTHORS
Jerry Lundström, DNS-OARC
.LP
Maintained by DNS-OARC
.LP
.RS
.I https://www.dns-oarc.net/
.RE
.LP
.SH BUGS
For issues and feature requests please use:
.LP
.RS
\fI@PACKAGE_URL@\fP
.RE
.LP
For question and help please use:
.LP
.RS
\fI@PACKAGE_BUGREPORT@\fP
.RE
.LP

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.\" DNS Reply Tool (drool)
.\"
.\" Copyright (c) 2017-2021, OARC, Inc.
.\" Copyright (c) 2017, Comcast Corporation
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\"
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\"
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in
.\" the documentation and/or other materials provided with the
.\" distribution.
.\"
.\" 3. Neither the name of the copyright holder nor the names of its
.\" contributors may be used to endorse or promote products derived
.\" from this software without specific prior written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
.\" "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
.\" LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
.\" FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
.\" COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
.\" BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
.\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
.\" CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
.\" ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
.\" POSSIBILITY OF SUCH DAMAGE.
.\"
.TH drool 1 "@PACKAGE_VERSION@" "DNS Replay Tool"
.SH NAME
drool \- DNS Replay Tool
.SH SYNOPSIS
.B drool respdiff
[
.I options
]
.B path
.B name
.B file
.B name
.B host
.B port
.SH DESCRIPTION
This tool is to be used in conjunction with the tool-chain
.I respdiff
by CZ.NIC (see
.IR https://gitlab.labs.nic.cz/knot/respdiff ).
.LP
It will replay DNS queries found in the PCAP, but only if a correlating
response is also found, against the target
.I host
and
.IR port .
The query, original response and the received response is then stored into
a LMDB database located at
.IR path .
The
.I name
before the PCAP
.I file
and the
.I name
before the target
.I host
are stored in the meta table which should correspond with the configuration
use for
.I respdiff
in order for it to be able to read the results correctly.
.SH OPTIONS
These options are specific for the
.B respdiff
command, see
.IR drool (1)
for generic options.
.TP
.B \-D
Show DNS queries and responses as processing goes.
.TP
.B \-\-no\-tcp
Do not use TCP.
.TP
.B \-\-no\-udp
Do not use UDP.
.TP
.B \-T \-\-threads
Use threads.
.TP
.B \-\-tcp\-threads N
Set the number of TCP threads to use, default 2.
.TP
.B \-\-udp\-threads N
Set the number of UDP threads to use, default 4.
.TP
.B \-\-timeout N.N
Set timeout for waiting on responses [seconds.nanoseconds], default 10.0.
.TP
.B \-\-size BYTES
Set the size (in bytes, multiple of OS page size) of the LMDB database, default 10485760.
.SH DATABASE SIZE
Note that you will need to set a database size that is large enough for all
queries, all original responses, all received responses and all analysis done
by
.I respdiff
tool-chain in order for a successful analysis to be done.
.SH EXAMPLE
This example replays a PCAP file against localhost and then uses the
.I respdiff
tool-chain to analyze the results.
.LP
$ drool respdiff /lmdb/path pcap file.pcap target 127.0.0.1 53
$ msgdiff.py /lmdb/path
$ diffsum.py /lmdb/path
.SH SEE ALSO
drool(1)
.SH AUTHORS
Jerry Lundström, DNS-OARC
.LP
Maintained by DNS-OARC
.LP
.RS
.I https://www.dns-oarc.net/
.RE
.LP
.SH BUGS
For issues and feature requests please use:
.LP
.RS
\fI@PACKAGE_URL@\fP
.RE
.LP
For question and help please use:
.LP
.RS
\fI@PACKAGE_BUGREPORT@\fP
.RE
.LP

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.\" DNS Reply Tool (drool)
.\"
.\" Copyright (c) 2017-2021, OARC, Inc.
.\" Copyright (c) 2017, Comcast Corporation
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\"
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\"
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in
.\" the documentation and/or other materials provided with the
.\" distribution.
.\"
.\" 3. Neither the name of the copyright holder nor the names of its
.\" contributors may be used to endorse or promote products derived
.\" from this software without specific prior written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
.\" "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
.\" LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
.\" FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
.\" COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
.\" BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
.\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
.\" CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
.\" ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
.\" POSSIBILITY OF SUCH DAMAGE.
.\"
.TH drool 1 "@PACKAGE_VERSION@" "DNS Replay Tool"
.SH NAME
drool \- DNS Replay Tool
.SH SYNOPSIS
.B drool command
[
.I options
] <
.I arguments
>
.SH DESCRIPTION
.B drool
can replay DNS traffic from packet capture (PCAP) files and send
it to a specified server, with options such as to manipulate the timing
between packets, as well as loop packets infinitely or for a set number
of iterations.
This tool's goal is to be able to produce a high amount of UDP packets per
second and TCP sessions per second on common hardware.
The purpose can be to simulate Distributed Denial of Service (DDoS) attacks
on the DNS and measure normal DNS querying.
For example, the tool could enable you to take a snapshot of a DDoS and be
able to replay it later to test if new code or hardening techniques are
useful, safe & effective.
Another example is to be able to replay a packet stream for a bug that is
sequence- and/or timing-related in order to validate the efficacy of
subsequent bug fixes.
.SH COMMANDS
.B drool
is divided into various commands for different scenarios.
Each command has it's own man-page, may take different arguments and may
have additional options.
.TP
.B replay
Replay DNS from a PCAP file, see
.IR drool-replay (1).
.TP
.B respdiff
Replay DNS and store the responses along with the responses found in the PCAP
for analysis with the
.I respdiff
tool-chain, see
.IR drool-respdiff (1).
.SH OPTIONS
These options are generic for all
.B drool
commands.
.TP
.B \-\-csv
Output statistics as CSV.
.TP
.B \-\-json
Output statistics as JSON.
.TP
.B \-v \-\-verbose
Enable verbose logging, can be given multiple times to increase verbosity level.
.TP
.B \-h \-\-help
Print help and exit.
.TP
.B \-V \-\-version
Print version and exit.
.SH EXIT VALUES
0 \- no error
.br
1 \- generic error
.SH SEE ALSO
drool-replay(1)
.SH AUTHORS
Jerry Lundström, DNS-OARC
.LP
Maintained by DNS-OARC
.LP
.RS
.I https://www.dns-oarc.net/
.RE
.LP
.SH BUGS
For issues and feature requests please use:
.LP
.RS
.I @PACKAGE_URL@
.RE
.LP
For question and help please use:
.LP
.RS
.I @PACKAGE_BUGREPORT@
.RE
.LP

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#!@DROOL_SHEBANG@
-- DNS Reply Tool (drool)
--
-- Copyright (c) 2017-2021, OARC, Inc.
-- Copyright (c) 2017, Comcast Corporation
-- All rights reserved.
--
-- Redistribution and use in source and binary forms, with or without
-- modification, are permitted provided that the following conditions
-- are met:
--
-- 1. Redistributions of source code must retain the above copyright
-- notice, this list of conditions and the following disclaimer.
--
-- 2. Redistributions in binary form must reproduce the above copyright
-- notice, this list of conditions and the following disclaimer in
-- the documentation and/or other materials provided with the
-- distribution.
--
-- 3. Neither the name of the copyright holder nor the names of its
-- contributors may be used to endorse or promote products derived
-- from this software without specific prior written permission.
--
-- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-- "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
-- FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
-- COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
-- INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
-- BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-- LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
-- CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
-- LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
-- ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-- POSSIBILITY OF SUCH DAMAGE.
package.path = package.path .. ";@droollibdir@/?.lua"
local clock = require("dnsjit.lib.clock")
local log = require("dnsjit.core.log").new("drool")
local getopt = require("dnsjit.lib.getopt").new({
{ "V", "version", false, "Print version and exit", "?" },
{ "v", "verbose", 0, "Enable and increase verbosity for each time given", "?+" },
{ nil, "json", false, "Output statistics as JSON", "?" },
{ nil, "csv", false, "Output statistics as CSV", "?" },
})
getopt.usage_desc = arg[1] .. " command [options...] <arguments...>"
local cmds = {
replay = "drool.replay",
respdiff = "drool.respdiff",
}
if not arg[2] or not cmds[arg[2]] then
getopt:parse()
if getopt:val("help") then
getopt:usage()
os.exit(0)
end
if getopt:val("version") then
print("drool version @PACKAGE_VERSION@")
os.exit(0)
end
if arg[2] then
log:critical("Command "..arg[2].." not found")
end
getopt:usage()
os.exit(-1)
end
local cmd = require(cmds[arg[2]]).new(getopt)
getopt:parse()
if getopt:val("help") then
getopt:usage()
os.exit(0)
end
local v = getopt:val("v")
if v > 0 then
require("dnsjit.core.log").enable("warning")
end
if v > 1 then
require("dnsjit.core.log").enable("notice")
end
if v > 2 then
require("dnsjit.core.log").enable("info")
end
if v > 3 then
require("dnsjit.core.log").enable("debug")
end
cmd:getopt(getopt)
cmd:setup()
local start_sec, start_nsec = clock:monotonic()
cmd:run()
local end_sec, end_nsec = clock:monotonic()
cmd:finish()
local fin_sec, fin_nsec = clock:monotonic()
local runtime = 0
if end_sec > start_sec then
runtime = ((end_sec - start_sec) - 1) + ((1000000000 - start_nsec + end_nsec)/1000000000)
elseif end_sec == start_sec and end_nsec > start_nsec then
runtime = (end_nsec - start_nsec) / 1000000000
end
local finish = 0
if fin_sec > end_sec then
finish = ((fin_sec - end_sec) - 1) + ((1000000000 - end_nsec + fin_nsec)/1000000000)
elseif fin_sec == end_sec and fin_nsec > end_nsec then
finish = (fin_nsec - end_nsec) / 1000000000
end
if getopt:val("json") then
print("{")
print(" \"runtime\": " .. runtime .. ",")
print(" \"finish\": " .. finish .. ",")
print(" \"packets\": " .. cmd.packets .. ",")
print(" \"queries\": " .. cmd.queries .. ",")
print(" \"sent\": " .. cmd.sent .. ",")
print(" \"received\": " .. cmd.received .. ",")
print(" \"responses\": " .. cmd.responses .. ",")
print(" \"timeouts\": " .. cmd.timeouts .. ",")
print(" \"errors\": " .. cmd.errors)
print("}")
elseif getopt:val("csv") then
print("runtime,finish,packets,queries,sent,received,responses,timeouts,errors")
print(runtime ..","..
finish ..","..
cmd.packets ..","..
cmd.queries ..","..
cmd.sent ..","..
cmd.received ..","..
cmd.responses ..","..
cmd.timeouts ..","..
cmd.errors)
else
print("runtime", runtime+finish, "run", runtime, "finish", finish)
print("", "total", "/sec")
print("packets", cmd.packets, cmd.packets/runtime)
print("queries", cmd.queries, cmd.queries/runtime)
print("sent", cmd.sent, cmd.sent/runtime)
print("received", cmd.received, cmd.received/runtime)
print("responses", cmd.responses, cmd.responses/runtime)
print("timeouts", cmd.timeouts)
print("errors", cmd.errors)
end

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-- DNS Reply Tool (drool)
--
-- Copyright (c) 2017-2021, OARC, Inc.
-- Copyright (c) 2017, Comcast Corporation
-- All rights reserved.
--
-- Redistribution and use in source and binary forms, with or without
-- modification, are permitted provided that the following conditions
-- are met:
--
-- 1. Redistributions of source code must retain the above copyright
-- notice, this list of conditions and the following disclaimer.
--
-- 2. Redistributions in binary form must reproduce the above copyright
-- notice, this list of conditions and the following disclaimer in
-- the documentation and/or other materials provided with the
-- distribution.
--
-- 3. Neither the name of the copyright holder nor the names of its
-- contributors may be used to endorse or promote products derived
-- from this software without specific prior written permission.
--
-- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-- "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
-- FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
-- COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
-- INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
-- BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-- LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
-- CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
-- LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
-- ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-- POSSIBILITY OF SUCH DAMAGE.
module(...,package.seeall)
local ffi = require("ffi")
local C = ffi.C
ffi.cdef[[
struct replay_stats {
int64_t sent, received, responses, timeouts, errors;
};
void* malloc(size_t);
void free(void*);
]]
local object = require("dnsjit.core.objects")
require("dnsjit.core.timespec_h")
Replay = {}
function Replay.new(getopt)
local self = setmetatable({
file = nil,
host = nil,
port = nil,
no_responses = false,
use_threads = false,
print_dns = false,
timeout = 10.0,
timing = nil,
timing_mode = "ignore",
timing_opt = nil,
layer = nil,
input = nil,
no_udp = false,
no_tcp = false,
udp_threads = 4,
tcp_threads = 2,
packets = 0,
queries = 0,
sent = 0,
received = 0,
responses = 0,
errors = 0,
timeouts = 0,
log = require("dnsjit.core.log").new("replay"),
_timespec = ffi.new("core_timespec_t"),
_udp_channels = {},
_tcp_channels = {},
_threads = {},
_udpcli = nil,
_tcpcli = nil,
_stat_channels = {},
}, { __index = Replay })
if getopt then
getopt.usage_desc = arg[1] .. " replay [options...] file host port"
getopt:add("t", "timing", "ignore", "Set the timing mode [mode=option], default ignore", "?")
getopt:add("n", "no-responses", false, "Do not wait for responses before sending next request", "?")
getopt:add(nil, "no-udp", false, "Do not use UDP", "?")
getopt:add(nil, "no-tcp", false, "Do not use TCP", "?")
getopt:add("T", "threads", false, "Use threads", "?")
getopt:add(nil, "udp-threads", 4, "Set the number of UDP threads to use, default 4", "?")
getopt:add(nil, "tcp-threads", 2, "Set the number of TCP threads to use, default 2", "?")
getopt:add(nil, "timeout", "10.0", "Set timeout for waiting on responses [seconds.nanoseconds], default 10.0", "?")
getopt:add("D", nil, false, "Show DNS queries and responses as processing goes", "?")
end
return self
end
function Replay:getopt(getopt)
local _, file, host, port = unpack(getopt.left)
if getopt:val("no-udp") and getopt:val("no-tcp") then
self.log:fatal("can not disable all transports")
end
if getopt:val("udp-threads") < 1 then
self.log:fatal("--udp-threads must be 1 or greater")
end
if getopt:val("tcp-threads") < 1 then
self.log:fatal("--tcp-threads must be 1 or greater")
end
if file == nil then
self.log:fatal("no file given")
end
self.file = file
if host == nil then
self.log:fatal("no target host given")
end
self.host = host
if port == nil then
self.log:fatal("no target port given")
end
self.port = port
self.use_threads = getopt:val("T")
self.timeout = tonumber(getopt:val("timeout"))
self.no_responses = getopt:val("n")
self.print_dns = getopt:val("D")
self.no_udp = getopt:val("no-udp")
self.udp_threads = getopt:val("udp-threads")
self.no_tcp = getopt:val("no-tcp")
self.tcp_threads = getopt:val("tcp-threads")
if getopt:val("t") ~= "ignore" then
self.timing_mode, self.timing_opt = getopt:val("t"):match("(%w+)=([%w%.]+)")
if self.timing_mode == nil then
self.timing_mode = getopt:val("t")
end
end
end
local _thr_func = function(thr)
local mode, thrid, host, port, chan, stats, resp, print_dns, to_sec, to_nsec = thr:pop(10)
local log = require("dnsjit.core.log").new(mode .. "#" .. thrid)
require("dnsjit.core.objects")
local ffi = require("ffi")
local C = ffi.C
ffi.cdef[[
struct replay_stats {
int64_t sent, received, responses, timeouts, errors;
};
void* malloc(size_t);
void free(void*);
]]
local dns = require("dnsjit.core.object.dns").new()
if print_dns == 1 then
print_dns = function(payload)
dns.obj_prev = payload
dns:print()
end
else
print_dns = nil
end
local cli, recv, ctx, prod
if mode == "udp" then
cli = require("dnsjit.output.udpcli").new()
else
cli = require("dnsjit.output.tcpcli").new()
end
cli:timeout(to_sec, to_nsec)
if cli:connect(host, port) ~= 0 then
log:fatal("unable to connect to host " .. host .. " port " .. port)
end
recv, ctx = cli:receive()
prod = cli:produce()
local stat = ffi.cast("struct replay_stats*", C.malloc(ffi.sizeof("struct replay_stats")))
ffi.fill(stat, ffi.sizeof("struct replay_stats"))
ffi.gc(stat, C.free)
local send
if resp == 0 then
send = function(obj)
log:info("sending query")
recv(ctx, obj)
if print_dns then
print_dns(obj)
end
end
else
send = function(obj)
log:info("sending query")
recv(ctx, obj)
if print_dns then
print_dns(obj)
end
local response = prod(ctx)
if response == nil then
log:warning("producer error")
return
end
local payload = response:cast()
if payload.len == 0 then
stat.timeouts = stat.timeouts + 1
log:info("timeout")
return
end
stat.responses = stat.responses + 1
log:info("got response")
if print_dns then
print_dns(response)
end
end
end
while true do
local obj = chan:get()
if obj == nil then break end
obj = ffi.cast("core_object_t*", obj)
dns.obj_prev = obj
if dns:parse_header() == 0 and dns.qr == 0 then
send(obj)
stat.sent = stat.sent + 1
end
obj:free()
end
stat.errors = cli:errors()
ffi.gc(stat, nil)
stats:put(stat)
end
function Replay:setup()
self.input = require("dnsjit.input.mmpcap").new()
if self.input:open(self.file) ~= 0 then
self.log:fatal("unable to open file " .. self.file)
end
if self.timing_mode ~= "ignore" then
self.timing = require("dnsjit.filter.timing").new()
self.timing:producer(self.input)
if self.timing_mode == "keep" then
else
if self.timing_mode == "inc" or self.timing_mode == "increase" then
self.timing:increase(tonumber(self.timing_opt))
elseif self.timing_mode == "red" or self.timing_mode == "reduce" then
self.timing:reduce(tonumber(self.timing_opt))
elseif self.timing_mode == "mul" or self.timing_mode == "multiply" then
self.timing:multiply(tonumber(self.timing_opt))
elseif self.timing_mode == "fix" or self.timing_mode == "fixed" then
self.timing:fixed(tonumber(self.timing_opt))
else
self.log:fatal("Invalid timing mode " .. self.timing_mode)
end
end
end
self.layer = require("dnsjit.filter.layer").new()
if self.timing then
self.layer:producer(self.timing)
else
self.layer:producer(self.input)
end
self._timespec.sec = math.floor(self.timeout)
self._timespec.nsec = (self.timeout - math.floor(self.timeout)) * 1000000000
if self.use_threads then
if not self.no_udp then
self.log:info("starting " .. self.udp_threads .. " UDP threads")
for n = 1, self.udp_threads do
local chan = require("dnsjit.core.channel").new()
local stats = require("dnsjit.core.channel").new()
local thr = require("dnsjit.core.thread").new()
thr:start(_thr_func)
thr:push("udp", n, self.host, self.port, chan, stats)
if self.no_responses then
thr:push(0)
else
thr:push(1)
end
if self.print_dns then
thr:push(1)
else
thr:push(0)
end
thr:push(tonumber(self._timespec.sec), tonumber(self._timespec.nsec))
table.insert(self._udp_channels, chan)
table.insert(self._stat_channels, stats)
table.insert(self._threads, thr)
self.log:info("UDP thread " .. n .. " started")
end
end
if not self.no_tcp then
self.log:info("starting " .. self.tcp_threads .. " TCP threads")
for n = 1, self.tcp_threads do
local chan = require("dnsjit.core.channel").new()
local stats = require("dnsjit.core.channel").new()
local thr = require("dnsjit.core.thread").new()
thr:start(_thr_func)
thr:push("tcp", n, self.host, self.port, chan, stats)
if self.no_responses then
thr:push(0)
else
thr:push(1)
end
if self.print_dns then
thr:push(1)
else
thr:push(0)
end
thr:push(tonumber(self._timespec.sec), tonumber(self._timespec.nsec))
table.insert(self._tcp_channels, chan)
table.insert(self._stat_channels, stats)
table.insert(self._threads, thr)
self.log:info("TCP thread " .. n .. " started")
end
end
else
if not self.no_udp then
self._udpcli = require("dnsjit.output.udpcli").new()
self._udpcli:timeout(self._timespec.sec, self._timespec.nsec)
if self._udpcli:connect(self.host, self.port) ~= 0 then
self.log:fatal("unable to connect to host " .. self.host .. " port " .. self.port .. " with UDP")
end
end
if not self.no_tcp then
self._tcpcli = require("dnsjit.output.tcpcli").new()
self._tcpcli:timeout(self._timespec.sec, self._timespec.nsec)
if self._tcpcli:connect(self.host, self.port) ~= 0 then
self.log:fatal("unable to connect to host " .. self.host .. " port " .. self.port .. " with TCP")
end
end
end
end
function Replay:run()
local lprod, lctx = self.layer:produce()
local udpcli = self._udpcli
local tcpcli = self._tcpcli
local log, packets, queries, responses, errors, timeouts = self.log, 0, 0, 0, 0, 0
local send
if self.use_threads then
-- TODO: generate code for all udp/tcp channels, see split gen code in test
local udpidx, tcpidx = 1, 1
local send_udp, send_tcp
send_udp = function(obj)
local chan = self._udp_channels[udpidx]
if not chan then
udpidx = 1
chan = self._udp_channels[1]
end
chan:put(obj:copy())
udpidx = udpidx + 1
end
send_tcp = function(obj)
local chan = self._tcp_channels[tcpidx]
if not chan then
tcpidx = 1
chan = self._tcp_channels[1]
end
chan:put(obj:copy())
tcpidx = tcpidx + 1
end
if self._udp_channels[1] and self._tcp_channels[1] then
send = function(obj)
local protocol = obj.obj_prev
while protocol ~= nil do
if protocol.obj_type == object.UDP then
send_udp(obj)
break
elseif protocol.obj_type == object.TCP then
send_tcp(obj)
break
end
protocol = protocol.obj_prev
end
end
elseif self._udp_channels[1] then
send = send_udp
elseif self._tcp_channels[1] then
send = send_tcp
end
else
local urecv, uctx, uprod
if udpcli then
urecv, uctx = udpcli:receive()
uprod = udpcli:produce()
end
local trecv, tctx, tprod
if tcpcli then
trecv, tctx = tcpcli:receive()
tprod = tcpcli:produce()
end
local dns = require("dnsjit.core.object.dns").new()
local print_dns
if self.print_dns then
print_dns = function(payload)
dns.obj_prev = payload
dns:print()
end
end
local send_udp, send_tcp
if self.no_responses then
send_udp = function(obj)
log:info("sending udp query")
urecv(uctx, obj)
if print_dns then
print_dns(obj)
end
end
send_tcp = function(obj)
log:info("sending tcp query")
trecv(tctx, obj)
if print_dns then
print_dns(obj)
end
end
else
send_udp = function(obj)
log:info("sending udp query")
urecv(uctx, obj)
if print_dns then
print_dns(obj)
end
local response = uprod(uctx)
if response == nil then
log:warning("producer error")
return
end
local payload = response:cast()
if payload.len == 0 then
timeouts = timeouts + 1
log:info("timeout")
return
end
responses = responses + 1
log:info("got response")
if print_dns then
print_dns(response)
end
end
send_tcp = function(obj)
log:info("sending tcp query")
trecv(tctx, obj)
if print_dns then
print_dns(obj)
end
local response = tprod(tctx)
if response == nil then
log:warning("producer error")
return
end
local payload = response:cast()
if payload.len == 0 then
timeouts = timeouts + 1
log:info("timeout")
return
end
responses = responses + 1
log:info("got response")
if print_dns then
print_dns(response)
end
end
end
if udpcli and tcpcli then
send = function(obj)
dns.obj_prev = obj
if dns:parse_header() == 0 and dns.qr == 0 then
queries = queries + 1
local protocol = obj.obj_prev
while protocol ~= nil do
if protocol.obj_type == object.UDP then
send_udp(obj)
break
elseif protocol.obj_type == object.TCP then
send_tcp(obj)
break
end
protocol = protocol.obj_prev
end
end
end
elseif udpcli then
send = function(obj)
dns.obj_prev = obj
if dns:parse_header() == 0 and dns.qr == 0 then
queries = queries + 1
send_udp(obj)
end
end
elseif tcpcli then
send = function(obj)
dns.obj_prev = obj
if dns:parse_header() == 0 and dns.qr == 0 then
queries = queries + 1
send_tcp(obj)
end
end
end
end
while true do
local obj = lprod(lctx)
if obj == nil then break end
packets = packets + 1
local payload = obj:cast()
if obj:type() == "payload" and payload.len > 0 then
send(obj)
end
end
if self.use_threads then
for _, chan in pairs(self._udp_channels) do
chan:put(nil)
end
for _, chan in pairs(self._tcp_channels) do
chan:put(nil)
end
end
self.packets = packets
self.queries = queries
self.sent = 0
if udpcli then
self.sent = self.sent + udpcli:packets()
end
if tcpcli then
self.sent = self.sent + tcpcli:packets()
end
-- TODO: received == responses ?
self.received = responses
self.responses = responses
self.timeouts = timeouts
self.errors = errors
if udpcli then
self.errors = self.errors + udpcli:errors()
end
if tcpcli then
self.errors = self.errors + tcpcli:errors()
end
end
function Replay:finish()
if self.use_threads then
for _, thr in pairs(self._threads) do
thr:stop()
end
for _, stats in pairs(self._stat_channels) do
local stat = ffi.cast("struct replay_stats*", stats:get())
self.queries = self.queries + stat.sent
self.sent = self.sent + stat.sent
self.received = self.received + stat.received
self.responses = self.responses + stat.responses
self.timeouts = self.timeouts + stat.timeouts
self.errors = self.errors + stat.errors
C.free(stat)
end
self.queries = tonumber(self.queries)
self.sent = tonumber(self.sent)
self.received = tonumber(self.received)
self.responses = tonumber(self.responses)
self.timeouts = tonumber(self.timeouts)
self.errors = tonumber(self.errors)
-- TODO: received == responses ?
self.received = self.responses
end
end
return Replay

571
src/lib/drool/respdiff.lua Normal file
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@ -0,0 +1,571 @@
-- DNS Reply Tool (drool)
--
-- Copyright (c) 2017-2021, OARC, Inc.
-- Copyright (c) 2017, Comcast Corporation
-- All rights reserved.
--
-- Redistribution and use in source and binary forms, with or without
-- modification, are permitted provided that the following conditions
-- are met:
--
-- 1. Redistributions of source code must retain the above copyright
-- notice, this list of conditions and the following disclaimer.
--
-- 2. Redistributions in binary form must reproduce the above copyright
-- notice, this list of conditions and the following disclaimer in
-- the documentation and/or other materials provided with the
-- distribution.
--
-- 3. Neither the name of the copyright holder nor the names of its
-- contributors may be used to endorse or promote products derived
-- from this software without specific prior written permission.
--
-- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-- "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
-- FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
-- COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
-- INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
-- BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-- LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
-- CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
-- LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
-- ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-- POSSIBILITY OF SUCH DAMAGE.
module(...,package.seeall)
local ffi = require("ffi")
local C = ffi.C
ffi.cdef[[
struct respdiff_stats {
int64_t sent, received, responses, timeouts, errors;
};
void* malloc(size_t);
void free(void*);
]]
local clock = require("dnsjit.lib.clock")
local object = require("dnsjit.core.objects")
require("dnsjit.core.timespec_h")
Respdiff = {}
function Respdiff.new(getopt)
local self = setmetatable({
path = nil,
fname = nil,
file = nil,
hname = nil,
host = nil,
port = nil,
use_threads = false,
timeout = 10.0,
layer = nil,
input = nil,
respdiff = nil,
no_udp = false,
no_tcp = false,
udp_threads = 4,
tcp_threads = 2,
size = 10485760,
packets = 0,
queries = 0,
sent = 0,
received = 0,
responses = 0,
errors = 0,
timeouts = 0,
log = require("dnsjit.core.log").new("respdiff"),
_timespec = ffi.new("core_timespec_t"),
_udp_channels = {},
_tcp_channels = {},
_threads = {},
_udpcli = nil,
_tcpcli = nil,
_stat_channels = {},
_result_channels = {},
}, { __index = Respdiff })
if getopt then
getopt.usage_desc = arg[1] .. " respdiff [options...] path name file name host port"
getopt:add(nil, "no-udp", false, "Do not use UDP", "?")
getopt:add(nil, "no-tcp", false, "Do not use TCP", "?")
getopt:add("T", "threads", false, "Use threads", "?")
getopt:add(nil, "udp-threads", 4, "Set the number of UDP threads to use, default 4", "?")
getopt:add(nil, "tcp-threads", 2, "Set the number of TCP threads to use, default 2", "?")
getopt:add(nil, "timeout", "10.0", "Set timeout for waiting on responses [seconds.nanoseconds], default 10.0", "?")
getopt:add(nil, "size", 10485760, "Set the size (in bytes, multiple of OS page size) of the LMDB database, default 10485760.", "?")
end
return self
end
function Respdiff:getopt(getopt)
local _, path, fname, file, hname, host, port = unpack(getopt.left)
if getopt:val("no-udp") and getopt:val("no-tcp") then
self.log:fatal("can not disable all transports")
end
if getopt:val("udp-threads") < 1 then
self.log:fatal("--udp-threads must be 1 or greater")
end
if getopt:val("tcp-threads") < 1 then
self.log:fatal("--tcp-threads must be 1 or greater")
end
if path == nil then
self.log:fatal("no path given")
end
self.path = path
if fname == nil then
self.log:fatal("no name for file given")
end
self.fname = fname
if file == nil then
self.log:fatal("no file given")
end
self.file = file
if hname == nil then
self.log:fatal("no name for host given")
end
self.hname = hname
if host == nil then
self.log:fatal("no target host given")
end
self.host = host
if port == nil then
self.log:fatal("no target port given")
end
self.port = port
self.use_threads = getopt:val("T")
self.timeout = tonumber(getopt:val("timeout"))
self.no_udp = getopt:val("no-udp")
self.udp_threads = getopt:val("udp-threads")
self.no_tcp = getopt:val("no-tcp")
self.tcp_threads = getopt:val("tcp-threads")
self.size = getopt:val("size")
end
local _thr_func = function(thr)
local mode, thrid, host, port, chan, stats, to_sec, to_nsec, result = thr:pop(9)
local log = require("dnsjit.core.log").new(mode .. "#" .. thrid)
require("dnsjit.core.objects")
local ffi = require("ffi")
local C = ffi.C
ffi.cdef[[
struct respdiff_stats {
int64_t sent, received, responses, timeouts, errors;
};
void* malloc(size_t);
void free(void*);
]]
local cli, recv, ctx, prod
if mode == "udp" then
cli = require("dnsjit.output.udpcli").new()
else
cli = require("dnsjit.output.tcpcli").new()
end
cli:timeout(to_sec, to_nsec)
if cli:connect(host, port) ~= 0 then
log:fatal("unable to connect to host " .. host .. " port " .. port)
end
recv, ctx = cli:receive()
prod = cli:produce()
local stat = ffi.cast("struct respdiff_stats*", C.malloc(ffi.sizeof("struct respdiff_stats")))
ffi.fill(stat, ffi.sizeof("struct respdiff_stats"))
ffi.gc(stat, C.free)
while true do
local obj = chan:get()
if obj == nil then break end
obj = ffi.cast("core_object_t*", obj)
local resp = ffi.cast("core_object_t*", obj.obj_prev)
log:info("sending query")
recv(ctx, obj)
stat.sent = stat.sent + 1
local response = prod(ctx)
if response == nil then
log:warning("producer error")
stat.errors = stat.errors + 1
break
end
local payload = response:cast()
if payload.len == 0 then
stat.timeouts = stat.timeouts + 1
log:info("timeout")
else
stat.responses = stat.responses + 1
log:info("got response")
resp.obj_prev = response:copy()
end
result:put(obj)
end
stat.errors = stat.errors + cli:errors()
ffi.gc(stat, nil)
stats:put(stat)
end
function Respdiff:setup()
self.input = require("dnsjit.input.mmpcap").new()
if self.input:open(self.file) ~= 0 then
self.log:fatal("unable to open file " .. self.file)
end
self.layer = require("dnsjit.filter.layer").new()
self.layer:producer(self.input)
self.respdiff = require("dnsjit.output.respdiff").new(self.path, self.fname, self.hname, self.size)
self._timespec.sec = math.floor(self.timeout)
self._timespec.nsec = (self.timeout - math.floor(self.timeout)) * 1000000000
if self.use_threads then
if not self.no_udp then
self.log:info("starting " .. self.udp_threads .. " UDP threads")
for n = 1, self.udp_threads do
local chan = require("dnsjit.core.channel").new()
local stats = require("dnsjit.core.channel").new()
local result = require("dnsjit.core.channel").new()
local thr = require("dnsjit.core.thread").new()
thr:start(_thr_func)
thr:push("udp", n, self.host, self.port, chan, stats, tonumber(self._timespec.sec), tonumber(self._timespec.nsec), result)
table.insert(self._udp_channels, chan)
table.insert(self._stat_channels, stats)
table.insert(self._result_channels, result)
table.insert(self._threads, thr)
self.log:info("UDP thread " .. n .. " started")
end
end
if not self.no_tcp then
self.log:info("starting " .. self.tcp_threads .. " TCP threads")
for n = 1, self.tcp_threads do
local chan = require("dnsjit.core.channel").new()
local stats = require("dnsjit.core.channel").new()
local result = require("dnsjit.core.channel").new()
local thr = require("dnsjit.core.thread").new()
thr:start(_thr_func)
thr:push("tcp", n, self.host, self.port, chan, stats, tonumber(self._timespec.sec), tonumber(self._timespec.nsec), result)
table.insert(self._tcp_channels, chan)
table.insert(self._stat_channels, stats)
table.insert(self._result_channels, result)
table.insert(self._threads, thr)
self.log:info("TCP thread " .. n .. " started")
end
end
else
if not self.no_udp then
self._udpcli = require("dnsjit.output.udpcli").new()
self._udpcli:timeout(self._timespec.sec, self._timespec.nsec)
if self._udpcli:connect(self.host, self.port) ~= 0 then
self.log:fatal("unable to connect to host " .. self.host .. " port " .. self.port .. " with UDP")
end
end
if not self.no_tcp then
self._tcpcli = require("dnsjit.output.tcpcli").new()
self._tcpcli:timeout(self._timespec.sec, self._timespec.nsec)
if self._tcpcli:connect(self.host, self.port) ~= 0 then
self.log:fatal("unable to connect to host " .. self.host .. " port " .. self.port .. " with TCP")
end
end
end
end
function Respdiff:run()
local lprod, lctx = self.layer:produce()
local udpcli = self._udpcli
local tcpcli = self._tcpcli
local log, packets, queries, responses, errors, timeouts = self.log, 0, 0, 0, 0, 0
local send
local resprecv, respctx = self.respdiff:receive()
if self.use_threads then
-- TODO: generate code for all udp/tcp channels, see split gen code in test
local udpidx, tcpidx = 1, 1
local send_udp = function(obj, resp)
local chan = self._udp_channels[udpidx]
if not chan then
udpidx = 1
chan = self._udp_channels[1]
end
local obj_copy, resp_copy = obj:copy(), resp:copy()
obj_copy = ffi.cast("core_object_t*", obj_copy)
obj_copy.obj_prev = resp_copy
chan:put(obj_copy)
udpidx = udpidx + 1
end
local send_tcp = function(obj, resp)
local chan = self._tcp_channels[tcpidx]
if not chan then
tcpidx = 1
chan = self._tcp_channels[1]
end
local obj_copy, resp_copy = obj:copy(), resp:copy()
obj_copy = ffi.cast("core_object_t*", obj_copy)
obj_copy.obj_prev = resp_copy
chan:put(obj_copy)
tcpidx = tcpidx + 1
end
if self._udp_channels[1] and self._tcp_channels[1] then
send = function(obj, resp, protocol)
if protocol.obj_type == object.UDP then
send_udp(obj, resp)
elseif protocol.obj_type == object.TCP then
send_tcp(obj, resp)
end
end
elseif self._udp_channels[1] then
send = send_udp
elseif self._tcp_channels[1] then
send = send_tcp
end
else
local urecv, uctx, uprod
if udpcli then
urecv, uctx = udpcli:receive()
uprod = udpcli:produce()
end
local trecv, tctx, tprod
if tcpcli then
trecv, tctx = tcpcli:receive()
tprod = tcpcli:produce()
end
local send_udp = function(obj, resp)
log:info("sending udp query")
urecv(uctx, obj)
local response = uprod(uctx)
if response == nil then
log:warning("producer error")
return
end
obj = ffi.cast("core_object_t*", obj)
obj.obj_prev = resp
resp = ffi.cast("core_object_t*", resp)
local payload = response:cast()
if payload.len == 0 then
timeouts = timeouts + 1
log:info("timeout")
resp.obj_prev = nil
else
responses = responses + 1
log:info("got response")
resp.obj_prev = response
end
resprecv(respctx, obj)
end
local send_tcp = function(obj, resp)
log:info("sending tcp query")
trecv(tctx, obj)
local response = tprod(tctx)
if response == nil then
log:warning("producer error")
return
end
obj = ffi.cast("core_object_t*", obj)
obj.obj_prev = resp
resp = ffi.cast("core_object_t*", resp)
local payload = response:cast()
if payload.len == 0 then
timeouts = timeouts + 1
log:info("timeout")
resp.obj_prev = nil
else
responses = responses + 1
log:info("got response")
resp.obj_prev = response
end
resprecv(respctx, obj)
end
if udpcli and tcpcli then
send = function(obj, resp, protocol)
if protocol.obj_type == object.UDP then
send_udp(obj, resp)
elseif protocol.obj_type == object.TCP then
send_tcp(obj, resp)
end
end
elseif udpcli then
send = send_udp
elseif tcpcli then
send = send_tcp
end
end
self.start_sec = clock:realtime()
local qtbl = {}
local dns = require("dnsjit.core.object.dns").new()
while true do
local obj = lprod(lctx)
if obj == nil then break end
packets = packets + 1
local payload = obj:cast()
if obj:type() == "payload" and payload.len > 0 then
local transport = obj.obj_prev
while transport ~= nil do
if transport.obj_type == object.IP or transport.obj_type == object.IP6 then
break
end
transport = transport.obj_prev
end
local protocol = obj.obj_prev
while protocol ~= nil do
if protocol.obj_type == object.UDP or protocol.obj_type == object.TCP then
break
end
protocol = protocol.obj_prev
end
if transport ~= nil and protocol ~= nil then
transport = transport:cast()
protocol = protocol:cast()
dns.obj_prev = obj
if dns:parse_header() == 0 then
if dns.qr == 0 then
local k = string.format("%s %d %s %d", transport:source(), protocol.sport, transport:destination(), protocol.dport)
log:info("query " .. k .. " id " .. dns.id)
qtbl[k] = {
id = dns.id,
payload = payload:copy(),
}
else
local k = string.format("%s %d %s %d", transport:destination(), protocol.dport, transport:source(), protocol.sport)
local q = qtbl[k]
if q and q.id == dns.id then
log:info("response " .. k .. " id " .. dns.id)
queries = queries + 1
send(q.payload:uncast(), obj, protocol)
qtbl[k] = nil
end
end
end
end
end
if self.use_threads and responses < queries then
for _, result in pairs(self._result_channels) do
local res = result:try_get()
if res ~= nil then
res = ffi.cast("core_object_t*", res)
resprecv(respctx, res)
responses = responses + 1
if res.obj_prev.obj_prev ~= nil then
ffi.cast("core_object_t*", res.obj_prev.obj_prev):free()
end
ffi.cast("core_object_t*", res.obj_prev):free()
res:free()
end
end
end
end
if self.use_threads then
for _, chan in pairs(self._udp_channels) do
chan:put(nil)
end
for _, chan in pairs(self._tcp_channels) do
chan:put(nil)
end
end
self.packets = packets
self.queries = queries
self.sent = 0
if udpcli then
self.sent = self.sent + udpcli:packets()
end
if tcpcli then
self.sent = self.sent + tcpcli:packets()
end
-- TODO: received == responses ?
self.received = responses
self.responses = responses
self.timeouts = timeouts
self.errors = errors
if udpcli then
self.errors = self.errors + udpcli:errors()
end
if tcpcli then
self.errors = self.errors + tcpcli:errors()
end
end
function Respdiff:finish()
if self.use_threads then
local left = 0 - self.responses
self.responses = 0
for _, thr in pairs(self._threads) do
thr:stop()
end
for _, stats in pairs(self._stat_channels) do
local stat = ffi.cast("struct respdiff_stats*", stats:get())
self.sent = self.sent + stat.sent
self.received = self.received + stat.received
self.responses = self.responses + stat.responses
self.timeouts = self.timeouts + stat.timeouts
self.errors = self.errors + stat.errors
C.free(stat)
end
self.sent = tonumber(self.sent)
self.received = tonumber(self.received)
self.responses = tonumber(self.responses)
self.timeouts = tonumber(self.timeouts)
self.errors = tonumber(self.errors)
-- TODO: received == responses ?
self.received = self.responses
left = left + self.responses + self.timeouts
local resprecv, respctx = self.respdiff:receive()
local tries = 0
while left > 0 and tries < 10000 do
for _, result in pairs(self._result_channels) do
local res = result:try_get()
if res ~= nil then
res = ffi.cast("core_object_t*", res)
resprecv(respctx, res)
left = left - 1
tries = 0
if res.obj_prev.obj_prev ~= nil then
ffi.cast("core_object_t*", res.obj_prev.obj_prev):free()
end
ffi.cast("core_object_t*", res.obj_prev):free()
res:free()
end
end
tries = tries + 1
end
end
local end_sec = clock:realtime()
self.respdiff:commit(self.start_sec, end_sec)
end
return Respdiff

BIN
src/test/1qtcp.pcap Normal file
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61
src/test/Makefile.am Normal file
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@ -0,0 +1,61 @@
# DNS Reply Tool (drool)
#
# Copyright (c) 2017-2021, OARC, Inc.
# Copyright (c) 2017, Comcast Corporation
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
#
# 3. Neither the name of the copyright holder nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
MAINTAINERCLEANFILES = $(srcdir)/Makefile.in env.sh
CLEANFILES = test*.log test*.trs \
*.pcap-dist \
test2.out test2.out2 \
test2-threads.out test2-threads.out2
TESTS = test1.sh test2.sh
BUILT_SOURCES = env.sh
env.sh:
echo "export PATH=\"\$$PATH:@DNSJIT_ROOT@/bin\"" >"$@"
echo "export LUA_CPATH=\"@DNSJIT_ROOT@/lib/lua/5.1/?.so;;\"" >>"$@"
echo "export LUA_PATH=\"@DNSJIT_ROOT@/share/lua/5.1/?.lua;;\"" >>"$@"
test1.sh: env.sh
test2.sh: env.sh dns.pcap-dist 1qtcp.pcap-dist
.pcap.pcap-dist:
cp "$<" "$@"
EXTRA_DIST = $(TESTS) \
dns.pcap 1qtcp.pcap \
test2.gold

822
src/test/Makefile.in Normal file
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# Makefile.in generated by automake 1.16.1 from Makefile.am.
# @configure_input@
# Copyright (C) 1994-2018 Free Software Foundation, Inc.
# This Makefile.in is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
# PARTICULAR PURPOSE.
@SET_MAKE@
# DNS Reply Tool (drool)
#
# Copyright (c) 2017-2021, OARC, Inc.
# Copyright (c) 2017, Comcast Corporation
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
#
# 3. Neither the name of the copyright holder nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
VPATH = @srcdir@
am__is_gnu_make = { \
if test -z '$(MAKELEVEL)'; then \
false; \
elif test -n '$(MAKE_HOST)'; then \
true; \
elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \
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else \
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fi; \
}
am__make_running_with_option = \
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install; \
else \
$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
"INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
fi
mostlyclean-generic:
-test -z "$(TEST_LOGS)" || rm -f $(TEST_LOGS)
-test -z "$(TEST_LOGS:.log=.trs)" || rm -f $(TEST_LOGS:.log=.trs)
-test -z "$(TEST_SUITE_LOG)" || rm -f $(TEST_SUITE_LOG)
clean-generic:
-test -z "$(CLEANFILES)" || rm -f $(CLEANFILES)
distclean-generic:
-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
maintainer-clean-generic:
@echo "This command is intended for maintainers to use"
@echo "it deletes files that may require special tools to rebuild."
-test -z "$(BUILT_SOURCES)" || rm -f $(BUILT_SOURCES)
-test -z "$(MAINTAINERCLEANFILES)" || rm -f $(MAINTAINERCLEANFILES)
clean: clean-am
clean-am: clean-generic mostlyclean-am
distclean: distclean-am
-rm -f Makefile
distclean-am: clean-am distclean-generic
dvi: dvi-am
dvi-am:
html: html-am
html-am:
info: info-am
info-am:
install-data-am:
install-dvi: install-dvi-am
install-dvi-am:
install-exec-am:
install-html: install-html-am
install-html-am:
install-info: install-info-am
install-info-am:
install-man:
install-pdf: install-pdf-am
install-pdf-am:
install-ps: install-ps-am
install-ps-am:
installcheck-am:
maintainer-clean: maintainer-clean-am
-rm -f Makefile
maintainer-clean-am: distclean-am maintainer-clean-generic
mostlyclean: mostlyclean-am
mostlyclean-am: mostlyclean-generic
pdf: pdf-am
pdf-am:
ps: ps-am
ps-am:
uninstall-am:
.MAKE: all check check-am install install-am install-strip
.PHONY: all all-am check check-TESTS check-am clean clean-generic \
cscopelist-am ctags-am distclean distclean-generic distdir dvi \
dvi-am html html-am info info-am install install-am \
install-data install-data-am install-dvi install-dvi-am \
install-exec install-exec-am install-html install-html-am \
install-info install-info-am install-man install-pdf \
install-pdf-am install-ps install-ps-am install-strip \
installcheck installcheck-am installdirs maintainer-clean \
maintainer-clean-generic mostlyclean mostlyclean-generic pdf \
pdf-am ps ps-am recheck tags-am uninstall uninstall-am
.PRECIOUS: Makefile
env.sh:
echo "export PATH=\"\$$PATH:@DNSJIT_ROOT@/bin\"" >"$@"
echo "export LUA_CPATH=\"@DNSJIT_ROOT@/lib/lua/5.1/?.so;;\"" >>"$@"
echo "export LUA_PATH=\"@DNSJIT_ROOT@/share/lua/5.1/?.lua;;\"" >>"$@"
test1.sh: env.sh
test2.sh: env.sh dns.pcap-dist 1qtcp.pcap-dist
.pcap.pcap-dist:
cp "$<" "$@"
# Tell versions [3.59,3.63) of GNU make to not export all variables.
# Otherwise a system limit (for SysV at least) may be exceeded.
.NOEXPORT:

BIN
src/test/dns.pcap Normal file
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Binary file not shown.

42
src/test/test1.sh Executable file
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@ -0,0 +1,42 @@
#!/bin/sh -e
#
# DNS Reply Tool (drool)
#
# Copyright (c) 2017-2021, OARC, Inc.
# Copyright (c) 2017, Comcast Corporation
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
#
# 3. Neither the name of the copyright holder nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
. ./env.sh
export LUA_PATH="$srcdir/../lib/?.lua;$LUA_PATH"
../drool -h
../drool replay -h

28
src/test/test2.gold Normal file
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@ -0,0 +1,28 @@
packets 133
queries 41
sent 41
received 0
responses 0
timeouts 0
errors 0
packets 133
queries 41
sent 41
received 0
responses 0
timeouts 0
errors 0
packets 10
queries 2
sent 2
received 0
responses 0
timeouts 0
errors 0
packets 10
queries 2
sent 2
received 0
responses 0
timeouts 0
errors 0

56
src/test/test2.sh Executable file
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@ -0,0 +1,56 @@
#!/bin/sh -e
#
# DNS Reply Tool (drool)
#
# Copyright (c) 2017-2021, OARC, Inc.
# Copyright (c) 2017, Comcast Corporation
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
#
# 3. Neither the name of the copyright holder nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
. ./env.sh
export LUA_PATH="$srcdir/../lib/?.lua;$LUA_PATH"
if [ -n "$DROOL_TEST_NETWORK" ]; then
rm -f test2.out test2.out2
for pcap in ./dns.pcap-dist ./1qtcp.pcap-dist; do
../drool replay -n --no-tcp "$pcap" 127.0.0.1 53 | tail -n 7 >>test2.out
../drool replay -n --no-tcp "$pcap" ::1 53 | tail -n 7 >>test2.out
../drool replay -T -n --no-tcp "$pcap" 127.0.0.1 53 | tail -n 7 >>test2-threads.out
../drool replay -T -n --no-tcp "$pcap" ::1 53 | tail -n 7 >>test2-threads.out
done
awk '{print $1 " " $2}' <test2.out >test2.out2
diff test2.out2 "$srcdir/test2.gold"
awk '{print $1 " " $2}' <test2-threads.out >test2-threads.out2
diff test2-threads.out2 "$srcdir/test2.gold"
else
echo "Not testing network (set DROOL_TEST_NETWORK to enable)"
fi

148
test-driver Executable file
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@ -0,0 +1,148 @@
#! /bin/sh
# test-driver - basic testsuite driver script.
scriptversion=2018-03-07.03; # UTC
# Copyright (C) 2011-2018 Free Software Foundation, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
# As a special exception to the GNU General Public License, if you
# distribute this file as part of a program that contains a
# configuration script generated by Autoconf, you may include it under
# the same distribution terms that you use for the rest of that program.
# This file is maintained in Automake, please report
# bugs to <bug-automake@gnu.org> or send patches to
# <automake-patches@gnu.org>.
# Make unconditional expansion of undefined variables an error. This
# helps a lot in preventing typo-related bugs.
set -u
usage_error ()
{
echo "$0: $*" >&2
print_usage >&2
exit 2
}
print_usage ()
{
cat <<END
Usage:
test-driver --test-name=NAME --log-file=PATH --trs-file=PATH
[--expect-failure={yes|no}] [--color-tests={yes|no}]
[--enable-hard-errors={yes|no}] [--]
TEST-SCRIPT [TEST-SCRIPT-ARGUMENTS]
The '--test-name', '--log-file' and '--trs-file' options are mandatory.
END
}
test_name= # Used for reporting.
log_file= # Where to save the output of the test script.
trs_file= # Where to save the metadata of the test run.
expect_failure=no
color_tests=no
enable_hard_errors=yes
while test $# -gt 0; do
case $1 in
--help) print_usage; exit $?;;
--version) echo "test-driver $scriptversion"; exit $?;;
--test-name) test_name=$2; shift;;
--log-file) log_file=$2; shift;;
--trs-file) trs_file=$2; shift;;
--color-tests) color_tests=$2; shift;;
--expect-failure) expect_failure=$2; shift;;
--enable-hard-errors) enable_hard_errors=$2; shift;;
--) shift; break;;
-*) usage_error "invalid option: '$1'";;
*) break;;
esac
shift
done
missing_opts=
test x"$test_name" = x && missing_opts="$missing_opts --test-name"
test x"$log_file" = x && missing_opts="$missing_opts --log-file"
test x"$trs_file" = x && missing_opts="$missing_opts --trs-file"
if test x"$missing_opts" != x; then
usage_error "the following mandatory options are missing:$missing_opts"
fi
if test $# -eq 0; then
usage_error "missing argument"
fi
if test $color_tests = yes; then
# Keep this in sync with 'lib/am/check.am:$(am__tty_colors)'.
red='' # Red.
grn='' # Green.
lgn='' # Light green.
blu='' # Blue.
mgn='' # Magenta.
std='' # No color.
else
red= grn= lgn= blu= mgn= std=
fi
do_exit='rm -f $log_file $trs_file; (exit $st); exit $st'
trap "st=129; $do_exit" 1
trap "st=130; $do_exit" 2
trap "st=141; $do_exit" 13
trap "st=143; $do_exit" 15
# Test script is run here.
"$@" >$log_file 2>&1
estatus=$?
if test $enable_hard_errors = no && test $estatus -eq 99; then
tweaked_estatus=1
else
tweaked_estatus=$estatus
fi
case $tweaked_estatus:$expect_failure in
0:yes) col=$red res=XPASS recheck=yes gcopy=yes;;
0:*) col=$grn res=PASS recheck=no gcopy=no;;
77:*) col=$blu res=SKIP recheck=no gcopy=yes;;
99:*) col=$mgn res=ERROR recheck=yes gcopy=yes;;
*:yes) col=$lgn res=XFAIL recheck=no gcopy=yes;;
*:*) col=$red res=FAIL recheck=yes gcopy=yes;;
esac
# Report the test outcome and exit status in the logs, so that one can
# know whether the test passed or failed simply by looking at the '.log'
# file, without the need of also peaking into the corresponding '.trs'
# file (automake bug#11814).
echo "$res $test_name (exit status: $estatus)" >>$log_file
# Report outcome to console.
echo "${col}${res}${std}: $test_name"
# Register the test result, and other relevant metadata.
echo ":test-result: $res" > $trs_file
echo ":global-test-result: $res" >> $trs_file
echo ":recheck: $recheck" >> $trs_file
echo ":copy-in-global-log: $gcopy" >> $trs_file
# Local Variables:
# mode: shell-script
# sh-indentation: 2
# eval: (add-hook 'before-save-hook 'time-stamp)
# time-stamp-start: "scriptversion="
# time-stamp-format: "%:y-%02m-%02d.%02H"
# time-stamp-time-zone: "UTC0"
# time-stamp-end: "; # UTC"
# End: