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# Fuzzing ISC BIND 9.11.1 #
**Requirements**
* honggfuzz (1.1 or from the master branch)
* clang-4.0, or newer (5.0 works as well)
* ISC BIND (e.g.: 9.11.1 or newer)
**Preparation**
Note: The examples provided below use hardcoded paths (here to: _/home/jagger/_). These will have to be modified, so they reflect your actual build environment.
1. Compile honggfuzz
2. Download and unpack bind-9.11.\*.tgz
3. Patch ISC BIND
```
$ cd bind-9.11.1-P3
$ patch -p1 < honggfuzz/examples/bind/patch-bind-9.11.1-P3
```
4. Configure, compile and install ISC BIND
* edit _compile.sh_, so it contains correct dist path
```
$ ./compile.sh
$ make install
```
5. Copy the custom configuration files to ```/home/jagger/fuzz/bind/dist/etc/named.conf``` (i.e. to your bind/named dist directory)
```
$ cp honggfuzz/examples/bind/named.conf /home/jagger/fuzz/bind/dist/etc/
$ cp honggfuzz/examples/bind/test.zone /home/jagger/fuzz/bind/dist/etc/
```
6. **Go**
```
$ honggfuzz/honggfuzz -f IN.req-response/ -z -P -- ./dist/sbin/named -c /home/jagger/fuzz/bind/dist/etc/named.conf -g
```
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