README.md


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# libosfp

Libosfp is a C library for OS fingerprinting.

## install

```
# osfp_example depends on libpcap
yum install -y libpcap-devel
# build and install
./build.sh
./package.sh
yum install package/*.rpm
```

## library usage
```
gcc example/sample.c -o sample -losfp; cat example/sample.c
```

## run example

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