DNSServ

DNSServ is a dynamic dns client and server built using golang

Deployment

Server

$ make certs
$ ssh dnsserv

jchorlton@dnsserv:~/dnsserv/certs$ sudo systemctl stop dnsserv

$ make deploy

jchorlton@dnsserv:~/dnsserv/certs$ sudo systemctl start dnsserv

See scripts/README.md for instructions on installing the systemd service.

Client

$ make deploy-pi
$ ssh nas

j@orangepipcplus:~$ /home/j/dnsserv/scripts/install.sh

Development

1. Generate certs

make dev-certs

2. Build for linux

make build

2. Start the server

make test-serve

3. Hit it

make test-client

Generating certs

go get -u github.com/cloudflare/cfssl/cmd/...
cfssl print-defaults csr > ca-csr.json
cfssl print-defaults csr > server-csr.json
cfssl print-defaults csr > client-csr.json
cfssl print-defaults csr > devserver-csr.json
cfssl print-defaults config > ca-config.json
cfssl print-defaults config > server-config.json
cfssl print-defaults config > client-config.json

# now update the csrs and configs

cfssl gencert -initca ca-csr.json | cfssljson -bare ca
cfssl gencert  \
    -ca=ca.pem \
    -ca-key=ca-key.pem \
    -config=server-config.json \
    -hostname=dns.joshchorlton.com \
    -profile=www \
    server-csr.json | cfssljson -bare server
cfssl gencert \
    -ca=ca.pem \
    -ca-key=ca-key.pem \
    -config=server-config.json \
    -profile=www \
    devserver-csr.json | cfssljson -bare devserver
cfssl gencert \
    -ca=ca.pem \
    -ca-key=ca-key.pem \
    -config=client-config.json \
    -profile=client \
    client-csr.json | cfssljson -bare client