diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/Makefile.am | 72 | ||||
| -rw-r--r-- | src/Makefile.in | 784 | ||||
| -rw-r--r-- | src/drool-replay.1in | 160 | ||||
| -rw-r--r-- | src/drool-respdiff.1in | 143 | ||||
| -rw-r--r-- | src/drool.1in | 125 | ||||
| -rw-r--r-- | src/drool.in | 149 | ||||
| -rw-r--r-- | src/lib/drool/replay.lua | 596 | ||||
| -rw-r--r-- | src/lib/drool/respdiff.lua | 571 | ||||
| -rw-r--r-- | src/test/1qtcp.pcap | bin | 0 -> 958 bytes | |||
| -rw-r--r-- | src/test/Makefile.am | 61 | ||||
| -rw-r--r-- | src/test/Makefile.in | 822 | ||||
| -rw-r--r-- | src/test/dns.pcap | bin | 0 -> 20228 bytes | |||
| -rwxr-xr-x | src/test/test1.sh | 42 | ||||
| -rw-r--r-- | src/test/test2.gold | 28 | ||||
| -rwxr-xr-x | src/test/test2.sh | 56 |
15 files changed, 3609 insertions, 0 deletions
diff --git a/src/Makefile.am b/src/Makefile.am new file mode 100644 index 0000000..a5139fc --- /dev/null +++ b/src/Makefile.am @@ -0,0 +1,72 @@ +# 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 +CLEANFILES = drool \ + drool.1 \ + drool-replay.1 \ + drool-respdiff.1 + +SUBDIRS = test + +EXTRA_DIST = drool.in \ + drool.1in \ + drool-replay.1in \ + drool-respdiff.1in + +bin_SCRIPTS = drool +droollibdir = $(datadir)/drool/lib/drool +dist_droollib_DATA = lib/drool/replay.lua \ + lib/drool/respdiff.lua + +man1_MANS = drool.1 \ + drool-replay.1 \ + drool-respdiff.1 + +drool: drool.in Makefile + sed -e 's,[@]PACKAGE_NAME[@],$(PACKAGE_NAME),g' \ + -e 's,[@]PACKAGE_VERSION[@],$(PACKAGE_VERSION),g' \ + -e 's,[@]PACKAGE_URL[@],$(PACKAGE_URL),g' \ + -e 's,[@]PACKAGE_BUGREPORT[@],$(PACKAGE_BUGREPORT),g' \ + -e 's,[@]droollibdir[@],$(datadir)/drool/lib,g' \ + -e 's,[@]DROOL_SHEBANG[@],$(DROOL_SHEBANG),g' \ + < "$(srcdir)/drool.in" > drool + chmod +x drool + +.1in.1: + sed -e 's,[@]PACKAGE_VERSION[@],$(PACKAGE_VERSION),g' \ + -e 's,[@]PACKAGE_URL[@],$(PACKAGE_URL),g' \ + -e 's,[@]PACKAGE_BUGREPORT[@],$(PACKAGE_BUGREPORT),g' \ + < "$<" > "$@" diff --git a/src/Makefile.in b/src/Makefile.in new file mode 100644 index 0000000..90ef15c --- /dev/null +++ b/src/Makefile.in @@ -0,0 +1,784 @@ +# 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. 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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 diff --git a/src/drool-respdiff.1in b/src/drool-respdiff.1in new file mode 100644 index 0000000..6122cc4 --- /dev/null +++ b/src/drool-respdiff.1in @@ -0,0 +1,143 @@ +.\" 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 diff --git a/src/drool.1in b/src/drool.1in new file mode 100644 index 0000000..27c6a29 --- /dev/null +++ b/src/drool.1in @@ -0,0 +1,125 @@ +.\" 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 diff --git a/src/drool.in b/src/drool.in new file mode 100644 index 0000000..9e9bdb6 --- /dev/null +++ b/src/drool.in @@ -0,0 +1,149 @@ +#!@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 diff --git a/src/lib/drool/replay.lua b/src/lib/drool/replay.lua new file mode 100644 index 0000000..c3b86bb --- /dev/null +++ b/src/lib/drool/replay.lua @@ -0,0 +1,596 @@ +-- 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 diff --git a/src/lib/drool/respdiff.lua b/src/lib/drool/respdiff.lua new file mode 100644 index 0000000..f41bc63 --- /dev/null +++ b/src/lib/drool/respdiff.lua @@ -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 diff --git a/src/test/1qtcp.pcap b/src/test/1qtcp.pcap Binary files differnew file mode 100644 index 0000000..4cb84fd --- /dev/null +++ b/src/test/1qtcp.pcap diff --git a/src/test/Makefile.am b/src/test/Makefile.am new file mode 100644 index 0000000..7d022eb --- /dev/null +++ b/src/test/Makefile.am @@ -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 diff --git a/src/test/Makefile.in b/src/test/Makefile.in new file mode 100644 index 0000000..c097bd0 --- /dev/null +++ b/src/test/Makefile.in @@ -0,0 +1,822 @@ +# 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 \ + true; \ + else \ + false; \ + fi; \ +} +am__make_running_with_option = \ + case $${target_option-} in \ + ?) ;; \ + *) echo "am__make_running_with_option: internal error: invalid" \ + "target option '$${target_option-}' specified" >&2; \ + exit 1;; \ + esac; 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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 diff --git a/src/test/test2.gold b/src/test/test2.gold new file mode 100644 index 0000000..c65772d --- /dev/null +++ b/src/test/test2.gold @@ -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 diff --git a/src/test/test2.sh b/src/test/test2.sh new file mode 100755 index 0000000..ec574f6 --- /dev/null +++ b/src/test/test2.sh @@ -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 |