# libosfp

Libosfp is a C library for OS fingerprinting.

## install

```
# osfp_example depends on libpcap
yum install -y libpcap-devel
BUILD_TYPE=Debug PACKAGE=1 ./ci/travis.sh
yum install -y ./build/*.rpm
```

## library usage
```
gcc -I./src example/sample.c -o sample -L./build -losfp; cat example/sample.c
LD_LIBRARY_PATH=${PWD}/build ./sample
```

## run example

```
# load the fingerprint file and capture on eth0, filter tcp port 8888
./build/osfp_example -f /var/lib/MESA_osfp/fp.json -i eth0 "tcp port 8888"
```