This program is copyright Alex Xu, aka Hello71, and is made available under the terms of the GNU General Public License version 3.0, except where otherwise noted. A copy is provided in the LICENSE file. src/checksum.c is based on code from the Linux kernel and as such is made available under the GNU GPL version 2.0. src/uthash.h is verbatim from https://github.com/troydhanson/uthash and is thus made available under the terms stated in that file.