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"