Fails to create API socket when /var/lib/wireguard does not exist

[foxx]

This fails to work without sudo, or unless you prepare the wireguard socket dir manually. Ideally this directory would also be a configurable, which could live in userspace.

$ ls -lah /var/run/wireguard/
ls: cannot access '/var/run/wireguard/': No such file or directory

(wg-EWQAmZez) admin@uk3-ph-inf-netjoin-1:~/wg$ ~/.cargo/bin/boringtun-cli -l info -f lol
  2024-01-21T12:03:33.061427Z ERROR boringtun_cli: Failed to initialize tunnel, error: ApiSocket(Os { code: 2, kind: NotFound, message: "No such file or directory" })
    at /home/admin/.cargo/registry/src/index.crates.io-6f17d22bba15001f/boringtun-cli-0.6.0/src/main.rs:160

$ sudo mkdir  /var/run/wireguard/

$ ~/.cargo/bin/boringtun-cli -v trace -f lol
  2024-01-21T12:06:39.473411Z ERROR boringtun_cli: Failed to initialize tunnel, error: ApiSocket(Os { code: 13, kind: PermissionDenied, message: "Permission denied" })
    at /home/admin/.cargo/registry/src/index.crates.io-6f17d22bba15001f/boringtun-cli-0.6.0/src/main.rs:160

$ sudo chown -R root /var/run/wireguard/
$ sudo chown -R root:root /var/run/wireguard/
$ sudo chmod -R 777 /var/run/wireguard/

$ ~/.cargo/bin/boringtun-cli -v trace -f lol
  2024-01-21T12:08:05.658893Z  INFO boringtun_cli: BoringTun started successfully
    at /home/admin/.cargo/registry/src/index.crates.io-6f17d22bba15001f/boringtun-cli-0.6.0/src/main.rs:178