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// Copyright 2025 Paul Donald / luci-lib-docker-js
// Licensed to the public under the Apache License 2.0.
// Built against the docker v1.47 API
import { cursor } from 'uci';
import * as socket from 'socket';
/**
* Get the Docker socket path from uci config, more backwards compatible.
*/
export function get_socket_dest_compat() {
const ctx = cursor();
let sock_entry = ctx.get_first('dockerd', 'globals', 'hosts')?.[0] || '/var/run/docker.sock';
ctx.unload();
sock_entry = lc(sock_entry);
/* start ucode 2025-12-01 compatibility */
let sock_split, addr = sock_entry, proto, proto_num, port = 0;
let family;
if (index(sock_entry, '://') != -1) {
let sock_split = split(lc(sock_entry), '://', 2);
addr = sock_split?.[1];
proto = sock_split?.[0];
}
if (index(addr, '/') != -1) {
// we got '/var/run/docker.sock' format
return socket.sockaddr(addr);
}
if (proto === 'tcp' || proto === 'udp' || proto === 'inet') {
family = socket.AF_INET;
if (proto === 'tcp')
proto_num = socket.IPPROTO_TCP;
else if (proto === 'udp')
proto_num = socket.IPPROTO_UDP;
}
else if (proto === 'tcp6' || proto === 'udp6' || proto === 'inet6') {
family = socket.AF_INET6;
if (proto === 'tcp6')
proto_num = socket.IPPROTO_TCP;
else if (proto === 'udp6')
proto_num = socket.IPPROTO_UDP;
}
else if (proto === 'unix')
family = socket.AF_UNIX;
else {
family = socket.AF_INET; // ipv4
proto_num = socket.IPPROTO_TCP; // tcp
}
let host = addr;
const l_bracket = index(host, '[');
const r_bracket = rindex(host, ']');
if (l_bracket != -1 && r_bracket != -1) {
host = substr(host, l_bracket + 1, r_bracket - 1);
family = socket.AF_INET6;
}
// find port based on addr, otherwise we find ':' in IPv6
const port_index = rindex(addr, ':');
if (port_index != -1) {
port = int(substr(addr, port_index + 1)) || 0;
host = substr(host, 0, port_index);
}
const sock = socket.addrinfo(host, port, {protocol: proto_num});
return socket.sockaddr(sock[0].addr);
// return {family: family, address: host, port: port};
};
/**
* Get the Docker socket path from uci config
*/
export function get_socket_dest() {
const ctx = cursor();
let sock_entry = ctx.get_first('dockerd', 'globals', 'hosts')?.[0] || '/var/run/docker.sock';
sock_entry = lc(sock_entry);
let sock_addr = split(sock_entry, '://', 2)?.[1] ?? sock_entry;
ctx.unload();
return sock_addr;
};
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