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+ <div class="SECT1">
+ <h1 class="SECT1"><a name="TESTING" id="TESTING">5. Testing Guidelines</a></h1>
+ <p>To be filled.</p>
+ <div class="SECT2">
+ <h2 class="SECT2"><a name="TESTING-PLAN" id="TESTING-PLAN">5.1. Testplan for releases</a></h2>
+ <p>Explain release numbers. major, minor. developer releases. etc.</p>
+ <ol type="1">
+ <li>
+ <p>Remove any existing rpm with rpm -e</p>
+ </li>
+ <li>
+ <p>Remove any file that was left over. This includes (but is not limited to)</p>
+ <ul>
+ <li>
+ <p>/var/log/privoxy</p>
+ </li>
+ <li>
+ <p>/etc/privoxy</p>
+ </li>
+ <li>
+ <p>/usr/sbin/privoxy</p>
+ </li>
+ <li>
+ <p>/etc/init.d/privoxy</p>
+ </li>
+ <li>
+ <p>/usr/doc/privoxy*</p>
+ </li>
+ </ul>
+ </li>
+ <li>
+ <p>Install the rpm. Any error messages?</p>
+ </li>
+ <li>
+ <p>start,stop,status <span class="APPLICATION">Privoxy</span> with the specific script (e.g.
+ /etc/rc.d/init/privoxy stop). Reboot your machine. Does autostart work?</p>
+ </li>
+ <li>
+ <p>Start browsing. Does <span class="APPLICATION">Privoxy</span> work? Logfile written?</p>
+ </li>
+ <li>
+ <p>Remove the rpm. Any error messages? All files removed?</p>
+ </li>
+ </ol>
+ </div>
+ <div class="SECT2">
+ <h2 class="SECT2"><a name="PRIVOXY-REGRESSION-TEST" id="PRIVOXY-REGRESSION-TEST">5.2. Testing with <span class=
+ "APPLICATION">Privoxy-Regression-Test</span></a></h2>
+ <p>If you compiled, packaged or merely installed Privoxy, it is recommended to run <span class=
+ "APPLICATION">Privoxy-Regression-Test</span> to verify that at least the tested parts of <span class=
+ "APPLICATION">Privoxy</span> are working as expected.</p>
+ <p>This is actually pretty easy. For details, please see <b class="COMMAND">perldoc
+ privoxy-regression-test.pl</b>.</p>
+ <p>Here is an example of what <span class="APPLICATION">Privoxy-Regression-Test</span> can do for you:</p>
+ <table border="0" bgcolor="#E0E0E0" width="100%">
<tr>
- <td width="10%" align="left" valign="bottom">
- <a href="coding.html" accesskey="P">Prev</a>
- </td>
- <td width="80%" align="center" valign="bottom">
- </td>
- <td width="10%" align="right" valign="bottom">
- <a href="newrelease.html" accesskey="N">Next</a>
+ <td>
+ <pre class="PROGRAMLISTING"> # Run all the tests
+ fk@t520 ~ $privoxy-regression-test.pl
+ 2020-12-14 12:16:32: Asking Privoxy for the number of action files available ...
+ 2020-12-14 12:16:32: Gathering regression tests from 9 action file(s) delivered by Privoxy 3.0.30.
+ 2020-12-14 12:16:32: Executing regression tests ...
+ 2020-12-14 12:16:41: Ooops. Expected removal but: 'Referer: https://p.p/' is still there.
+ 2020-12-14 12:16:41: Failure for test 785. Header 'Referer: https://p.p/' and tag 'hide-referrer{conditional-block}'
+ 2020-12-14 12:16:41: Ooops. Got: 'Referer: https://p.p/' while expecting: 'Referer: http://p.p/'
+ 2020-12-14 12:16:41: Failure for test 791. Header 'Referer: https://p.p/' and tag 'hide-referrer{conditional-forge}'
+ 2020-12-14 12:16:44: Executed 1087 regression tests. Skipped 115. 1085 successes, 2 failures.
+ # Repeat one of the failing tests and get a curl command to quickly reproduce the problem
+ # without causing too much log noise.
+ fk@t520 ~ $privoxy-regression-test.pl --test-number 785 --verbose --debug 4
+ 2020-12-14 12:17:55: Asking Privoxy for the number of action files available ...
+ [...]
+ 2020-12-14 12:17:56: Executing regression tests ...
+ 2020-12-14 12:17:56: Executing: curl --include -H 'Proxy-Connection:' -H 'Connection: close' -s -S --user-agent 'Privoxy-Regression-Test 0.7.2' --max-time '5' --globoff -H 'X-Privoxy-Control: hide-referrer{conditional-block}' -H 'Referer: https://p.p/' http://p.p/show-request 2>&1
+ 2020-12-14 12:17:56: Ooops. Expected removal but: 'Referer: https://p.p/' is still there.
+ 2020-12-14 12:17:56: Failure for test 785 (0/13/5). Header 'Referer: https://p.p/' and tag 'hide-referrer{conditional-block}'
+ 2020-12-14 12:17:56: Executed 1 regression tests. Skipped 1201. 0 successes, 1 failures.</pre>
</td>
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</table>
- <hr align="LEFT" width="100%">
- </div>
- <div class="SECT1">
- <h1 class="SECT1">
- <a name="TESTING">5. Testing Guidelines</a>
- </h1>
- <p>
- To be filled.
- </p>
- <div class="SECT2">
- <h2 class="SECT2">
- <a name="TESTING-PLAN">5.1. Testplan for releases</a>
- </h2>
- <p>
- Explain release numbers. major, minor. developer releases. etc.
- </p>
- <ol type="1">
- <li>
- <p>
- Remove any existing rpm with rpm -e
- </p>
- </li>
- <li>
- <p>
- Remove any file that was left over. This includes (but is not
- limited to)
- </p>
- <ul>
- <li>
- <p>
- /var/log/privoxy
- </p>
- </li>
- <li>
- <p>
- /etc/privoxy
- </p>
- </li>
- <li>
- <p>
- /usr/sbin/privoxy
- </p>
- </li>
- <li>
- <p>
- /etc/init.d/privoxy
- </p>
- </li>
- <li>
- <p>
- /usr/doc/privoxy*
- </p>
- </li>
- </ul>
- </li>
- <li>
- <p>
- Install the rpm. Any error messages?
- </p>
- </li>
- <li>
- <p>
- start,stop,status <span class="APPLICATION">Privoxy</span> with
- the specific script (e.g. /etc/rc.d/init/privoxy stop). Reboot
- your machine. Does autostart work?
- </p>
- </li>
- <li>
- <p>
- Start browsing. Does <span class="APPLICATION">Privoxy</span>
- work? Logfile written?
- </p>
- </li>
- <li>
- <p>
- Remove the rpm. Any error messages? All files removed?
- </p>
- </li>
- </ol>
- </div>
+ <p>Use the if the <b class="COMMAND">--privoxy-address</b> option if the http_proxy environment variable isn't
+ configured and you don't want to use the default (http://127.0.0.1:8118/).</p>
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+ <div class="SECT2">
+ <h2 class="SECT2"><a name="FUZZING" id="FUZZING">5.3. Fuzzing Privoxy</a></h2>
+ <p>To make fuzzing more convenient, Privoxy can be configured with --enable-fuzz which will result in the --fuzz
+ option becoming available.</p>
+ <p>Example (tested on ElectroBSD):</p>
+ <table border="0" bgcolor="#E0E0E0" width="100%">
<tr>
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- Coding Guidelines
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-
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- Releasing a New Version
+ <td>
+ <pre class="PROGRAMLISTING"> # Compile Privoxy with instrumentation for afl
+ $ export CC=afl-clang
+ $ export CFLAGS="-fsanitize=address -ggdb"
+ $ export CPPFLAGS=-I/usr/local/include/
+ $ export LDFLAGS="-fsanitize=address -L/usr/local/lib"
+ $ export AFL_USE_ASAN=1
+ $ export AFL_HARDEN=1
+ $ ./configure --with-debug --enable-extended-host-patterns --enable-accept-filter --enable-no-gifs --enable-compression --enable-strptime-sanity-checks --enable-external-filters --enable-fuzz
+
+ $ ./privoxy --fuzz
+ Privoxy version 3.0.24 (http://www.privoxy.org/)
+ Usage: ./privoxy [--config-test] [--chroot] [--help] [--no-daemon] [--pidfile pidfile] [--pre-chroot-nslookup hostname] [--user user[.group]] [--version] [configfile]
+ ./privoxy --fuzz fuzz-mode ./path/to/fuzzed/input [--stfu]
+
+ Supported fuzz modes and the expected input:
+ action: Text to parse as action file.
+ client-request: Client request to parse. Currently incomplete
+ client-header: Client header to parse.
+ chunked-transfer-encoding: Chunk-encoded data to dechunk.
+ deflate: deflate-compressed data to decompress.
+ filter: Text to parse as filter file.
+ gif: gif to deanimate.
+ gzip: gzip-compressed data to decompress.
+ pcrs-substitute: A pcrs-substitute to compile. Not a whole pcrs job! Example: Bla $1 bla C $3 blah.
+ server-header: Server header to parse.
+ server-response: Server response to parse.
+
+ The following fuzz modes read data from stdin if the 'file' is '-'
+ client-request
+ client-header
+ chunked-transfer-encoding
+ deflate
+ gif
+ gzip
+ pcrs-substitute
+ server-header
+ server-response
+
+ Aborting
+
+ $ export ASAN_OPTIONS='abort_on_error=1'
+ $ mkdir input output
+ $ echo '$1 bla fasel $2' > input/pcrs
+ $ afl-fuzz -i input -o output -m none ~/git/privoxy/privoxy --fuzz pcrs-substitute - --stfu
+
+ $ cat >input/pcrs.txt
+ FILTER: bla fasel
+ s@(.{1})[432](\d+)@$1$2$hostname@UgisT
+
+ $ afl-fuzz -i input/ -o output/ -f bla.filter -m none privoxy --fuzz filter bla.filter --stfu</pre>
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