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NeoTachyon/tachyon/files/usr/lib/singbox/servers.uc
T

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24 KiB
Ucode

#!/usr/bin/env ucode
let fs = require("fs");
let common = require("core.common");
let runtime_constants = require("singbox.constants");
let as_string = common.as_string;
let option = common.option;
let list_option = common.list_option;
let bool_option = common.bool_option;
let int_option = common.int_option;
let int_or_range_option = common.int_or_range_option;
let array_or_empty = common.array_or_empty;
function safe_filename(value) {
return replace(as_string(value), /[^A-Za-z0-9_.-]/g, "_");
}
function string_to_hex(value) {
value = as_string(value);
let result = "";
for (let i = 0; i < length(value); i++)
result += sprintf("%02x", ord(value, i));
return result;
}
function uci_bin_to_hex(val) {
if (val == null || val == "") return "";
let s = as_string(val);
s = replace(s, /^<b\s*/i, "");
s = replace(s, /^0x/i, "");
s = replace(s, />$/, "");
s = replace(s, /\s+/g, "");
return s;
}
// AWG CPS decoy values (awg_i1..awg_i5, awg_j1..awg_j3): normalized to the
// AmneziaWG 2.0 tag-chain format by common.awg_tag_chain — classic plain-hex
// payloads become "<b 0x..>", existing tag chains pass through verbatim.
function awg_cps_option(section, key) {
return common.awg_tag_chain(option(section, key, ""));
}
function mtproto_secret(section) {
let canonical = common.mtproto_secret_canonical(
option(section, "mtproto_secret", ""),
option(section, "mtproto_faketls", "google.com")
);
if (canonical == null)
return "";
return canonical;
}
function users(section, protocol) {
let name = option(section, protocol == "socks" ? "server_username" : "label", section[".name"]);
if (name == "")
name = section[".name"];
if (protocol == "vless") {
let user = { uuid: option(section, "server_uuid", "") };
if (name != "")
user.name = name;
let flow = option(section, "vless_flow", "");
if (flow != "" && flow != "none")
user.flow = flow;
return [ user ];
}
if (protocol == "vmess") {
let user = {
uuid: option(section, "server_uuid", ""),
alterId: int_option(section, "vmess_alter_id", "0")
};
if (name != "")
user.name = name;
return [ user ];
}
if (protocol == "trojan" || protocol == "hysteria2") {
let user = { password: option(section, "server_password", "") };
if (name != "")
user.name = name;
return [ user ];
}
if (protocol == "socks") {
return [{
username: name != "" ? name : "user",
password: option(section, "server_password", "")
}];
}
if (protocol == "mtproto") {
// MTProxyUser is { name, secret } in sing-box-extended.
let user = { secret: mtproto_secret(section) };
if (name != "")
user.name = name;
return [ user ];
}
if (protocol == "shadowsocks") {
let user = { password: option(section, "server_password", "") };
if (name != "")
user.name = name;
return [ user ];
}
return [];
}
function effective_security(section, protocol) {
let security = option(section, "security", "");
if (security == "") {
if (protocol == "vless")
security = "reality";
else if (protocol == "trojan" || protocol == "hysteria2")
security = "tls";
else
security = "none";
}
if (protocol == "shadowsocks" || protocol == "socks" || protocol == "mtproto" ||
protocol == "tailscale" || protocol == "json_inbound" || protocol == "awg")
return "none";
if (protocol == "hysteria2")
return "tls";
if ((protocol == "vmess" || protocol == "trojan") && security == "reality")
return protocol == "trojan" ? "tls" : "none";
return security;
}
function maybe_string(object, key, value) {
value = as_string(value);
if (value != "")
object[key] = value;
}
function apply_tls(inbound, section, protocol) {
let security = effective_security(section, protocol);
if (security == "" || security == "none")
return;
let tls = { enabled: true };
maybe_string(tls, "server_name", option(section, "tls_server_name", ""));
let alpn = list_option(section, "tls_alpn");
if (length(alpn) > 0)
tls.alpn = alpn;
if (security == "tls") {
maybe_string(tls, "certificate_path", option(section, "tls_certificate_path", ""));
maybe_string(tls, "key_path", option(section, "tls_key_path", ""));
}
else if (security == "reality") {
let reality = {
enabled: true,
handshake: {
server: option(section, "reality_handshake_server", "www.microsoft.com"),
server_port: int_option(section, "reality_handshake_server_port", "443")
},
private_key: option(section, "reality_private_key", "")
};
let short_id = list_option(section, "reality_short_id");
if (length(short_id) > 0)
reality.short_id = short_id;
maybe_string(reality, "max_time_difference", option(section, "reality_max_time_difference", "1m"));
tls.reality = reality;
}
inbound.tls = tls;
}
function apply_transport(inbound, section, protocol) {
if (protocol != "vless" && protocol != "vmess" && protocol != "trojan")
return;
let transport_type = option(section, "transport", "tcp");
if (transport_type == "" || transport_type == "tcp" || transport_type == "raw")
return;
let transport = { type: transport_type };
let path = option(section, "transport_path", "");
let host = option(section, "transport_host", "");
if (transport_type == "ws") {
maybe_string(transport, "path", path);
if (host != "")
transport.headers = { Host: host };
}
else if (transport_type == "grpc") {
maybe_string(transport, "service_name", option(section, "transport_service_name", ""));
}
else if (transport_type == "http") {
maybe_string(transport, "path", path);
let hosts = list_option(section, "transport_hosts");
if (length(hosts) > 0)
transport.host = hosts;
}
else if (transport_type == "httpupgrade") {
maybe_string(transport, "path", path);
maybe_string(transport, "host", host);
}
else if (transport_type == "xhttp") {
transport.mode = option(section, "transport_xhttp_mode", "auto");
transport.path = path != "" ? path : "/";
maybe_string(transport, "host", host);
transport.headers = {};
transport.x_padding_bytes = "100-1000";
transport.no_sse_header = false;
transport.sc_max_each_post_bytes = "1000000";
transport.sc_max_buffered_posts = 30;
transport.sc_stream_up_server_secs = "20-80";
transport.server_max_header_bytes = 8192;
}
else {
return;
}
inbound.transport = transport;
}
function add_standard_inbound(config, section, protocol, tag_name) {
let sb_variant_file = getenv("SB_VARIANT_STATE_FILE") || "/etc/tachyon/sing-box-variant";
let sb_version_file = getenv("SB_VERSION_STATE_FILE") || "/etc/tachyon/sing-box-version";
let sb_version_val = trim(fs.readfile(sb_version_file) || "");
let is_lx = sb_version_val != "" ? (index(sb_version_val, "-lx") >= 0) : (trim(fs.readfile(sb_variant_file) || "") == "lx");
let inbound = {
type: protocol,
tag: tag_name,
listen: option(section, "listen", "0.0.0.0"),
listen_port: int_option(section, "listen_port", "443")
};
if (protocol == "shadowsocks") {
inbound.method = option(section, "shadowsocks_method", "aes-128-gcm");
inbound.password = option(section, "server_password", "");
}
else if (protocol == "socks") {
if (bool_option(section, "socks_auth_enabled", true)) {
let server_users = users(section, protocol);
if (length(server_users) > 0)
inbound.users = server_users;
}
}
else if (protocol == "hysteria2") {
inbound.users = users(section, protocol);
let up_mbps = option(section, "hysteria2_up_mbps", "");
let down_mbps = option(section, "hysteria2_down_mbps", "");
if (up_mbps != "")
inbound.up_mbps = int(up_mbps, 10);
if (down_mbps != "")
inbound.down_mbps = int(down_mbps, 10);
let obfs_type = option(section, "hysteria2_obfs_type", "");
let obfs_password = option(section, "hysteria2_obfs_password", "");
if (obfs_type != "" && obfs_password != "")
inbound.obfs = { type: obfs_type, password: obfs_password };
}
else if (protocol == "mtproto") {
// sing-box-extended registers this inbound as "mtproxy" and expects
// MTProxyUser { name, secret }. It must never fall back to a
// shadowsocks-2022 shape: SS2022 parses passwords as base64 PSKs and
// aborts with "decode psk" on hex secrets (#23).
inbound.type = "mtproxy";
inbound.users = users(section, protocol);
let concurrency = option(section, "mtproto_concurrency", "");
if (concurrency != "")
inbound.concurrency = int(concurrency, 10);
maybe_string(inbound, "prefer_ip", option(section, "mtproto_prefer_ip", "prefer-ipv4"));
if (bool_option(section, "mtproto_auto_update", false))
inbound.auto_update = true;
if (bool_option(section, "mtproto_allow_fallback_on_unknown_dc", false))
inbound.allow_fallback_on_unknown_dc = true;
maybe_string(inbound, "tolerate_time_skewness", option(section, "mtproto_tolerate_time_skewness", "3s"));
maybe_string(inbound, "idle_timeout", option(section, "mtproto_idle_timeout", "5m"));
maybe_string(inbound, "handshake_timeout", option(section, "mtproto_handshake_timeout", "10s"));
}
else if (protocol == "awg") {
inbound.type = "wireguard";
inbound.address = list_option(section, "awg_local_address");
inbound.private_key = option(section, "awg_private_key", "");
inbound.mtu = int_option(section, "awg_mtu", "1280");
let server_address = option(section, "awg_server_address", "");
let server_port = int_option(section, "awg_server_port", "51820");
let peer_public_key = option(section, "awg_peer_public_key", "");
let allowed_ips = list_option(section, "awg_allowed_ips");
if (length(allowed_ips) == 0) {
let allowed_str = option(section, "awg_allowed_ips", "");
if (allowed_str != "")
allowed_ips = split(allowed_str, /[,\s]+/);
else
allowed_ips = [ "0.0.0.0/0", "::/0" ];
}
let peer = {
public_key: peer_public_key,
allowed_ips: allowed_ips
};
if (server_address != "")
peer.address = server_address;
if (server_port > 0)
peer.port = server_port;
let preshared_key = option(section, "awg_preshared_key", "");
if (preshared_key != "")
peer.pre_shared_key = preshared_key;
let keepalive = int_option(section, "awg_keepalive", "0");
if (keepalive > 0)
peer.persistent_keepalive_interval = keepalive;
inbound.peers = [ peer ];
let jc = int_option(section, "awg_jc", "4");
if (jc > 10) jc = 10;
let jmin = int_option(section, "awg_jmin", "40");
let jmax = int_option(section, "awg_jmax", "70");
if (jmax > 1200) jmax = 1200;
let amnezia = {
jc: jc,
jmin: jmin,
jmax: jmax,
s1: int_option(section, "awg_s1", "0"),
s2: int_option(section, "awg_s2", "0"),
// H1-H4 use badoption.Range on both sing-box-extended and
// sing-box-lx, so a "min-max" string passes through.
h1: int_or_range_option(section, "awg_h1", 1),
h2: int_or_range_option(section, "awg_h2", 2),
h3: int_or_range_option(section, "awg_h3", 3),
h4: int_or_range_option(section, "awg_h4", 4),
s3: int_option(section, "awg_s3", "0"),
s4: int_option(section, "awg_s4", "0")
};
let i1 = awg_cps_option(section, "awg_i1");
let i2 = awg_cps_option(section, "awg_i2");
let i3 = awg_cps_option(section, "awg_i3");
let i4 = awg_cps_option(section, "awg_i4");
let i5 = awg_cps_option(section, "awg_i5");
let j1 = awg_cps_option(section, "awg_j1");
let j2 = awg_cps_option(section, "awg_j2");
let j3 = awg_cps_option(section, "awg_j3");
let itime = int_option(section, "awg_itime", "0");
let sb_variant_file = getenv("SB_VARIANT_STATE_FILE") || "/etc/tachyon/sing-box-variant";
let sb_version_file = getenv("SB_VERSION_STATE_FILE") || "/etc/tachyon/sing-box-version";
let sb_version_val = trim(fs.readfile(sb_version_file) || "");
let is_lx = sb_version_val != "" ? (index(sb_version_val, "-lx") >= 0) : (trim(fs.readfile(sb_variant_file) || "") == "lx");
// AmneziaWG version handling: 2.0, 3.0, and 3.1 (sing-box-lx v1.14.0-lx.32+)
let awg_ver = option(section, "awg_version", "");
if (awg_ver == "") {
if (option(section, "awg_rekey_after_time", "") != "" || option(section, "awg_rekey_timeout", "") != "" ||
option(section, "awg_reject_after_time", "") != "" || option(section, "awg_keepalive_timeout", "") != "" ||
option(section, "awg_max_handshake_attempts", "") != "") {
awg_ver = "3.1";
} else if (option(section, "awg_header_protection_key", "") != "" || option(section, "awg_content_padding_addition", "") != "") {
awg_ver = "3.0";
} else {
awg_ver = "2.0";
}
}
let is_lx_schema = is_lx;
if (is_lx_schema) {
// sing-box-lx expects AWG fields at the inbound root (AWG 2.0 schema);
// magic headers accept a single value or an AWG 2.0 "min-max" range.
// j1-j3/itime are sing-box-extended-only and are not emitted here.
inbound.jc = amnezia.jc;
inbound.jmin = amnezia.jmin;
inbound.jmax = amnezia.jmax;
inbound.s1 = amnezia.s1;
inbound.s2 = amnezia.s2;
inbound.h1 = amnezia.h1;
inbound.h2 = amnezia.h2;
inbound.h3 = amnezia.h3;
inbound.h4 = amnezia.h4;
inbound.s3 = amnezia.s3;
inbound.s4 = amnezia.s4;
if (i1 != "") inbound.i1 = i1;
if (i2 != "") inbound.i2 = i2;
if (i3 != "" && i3 != "0") inbound.i3 = i3;
if (i4 != "" && i4 != "0") inbound.i4 = i4;
if (i5 != "" && i5 != "0") inbound.i5 = i5;
if (awg_ver == "3.0" || awg_ver == "3.1") {
let hpk = option(section, "awg_header_protection_key", "");
if (hpk != "") {
// Ensure S1-S4 are >= 12 if header_protection_key is set (sing-box-lx schema requirement)
if (inbound.s1 < 12) inbound.s1 = 20;
if (inbound.s2 < 12) inbound.s2 = 20;
if (inbound.s3 < 12) inbound.s3 = 20;
if (inbound.s4 < 12) inbound.s4 = 20;
inbound.header_protection_key = hpk;
}
let cpa = option(section, "awg_content_padding_addition", "");
if (cpa != "") inbound.content_padding_addition = cpa;
}
if (awg_ver == "3.1") {
let rka = option(section, "awg_rekey_after_time", "");
if (rka != "") inbound.rekey_after_time = rka;
let rkt = option(section, "awg_rekey_timeout", "");
if (rkt != "") inbound.rekey_timeout = rkt;
let rja = option(section, "awg_reject_after_time", "");
if (rja != "") inbound.reject_after_time = rja;
let kpt = option(section, "awg_keepalive_timeout", "");
if (kpt != "") inbound.keepalive_timeout = kpt;
let mha = option(section, "awg_max_handshake_attempts", "");
if (mha != "") inbound.max_handshake_attempts = mha;
}
} else {
if (i1 != "") amnezia.i1 = i1;
if (i2 != "") amnezia.i2 = i2;
if (i3 != "" && i3 != "0") amnezia.i3 = i3;
if (i4 != "" && i4 != "0") amnezia.i4 = i4;
if (i5 != "" && i5 != "0") amnezia.i5 = i5;
// j1-j3/itime were removed from the extended schema in 2.6.1 and
// sing-box fatals on unknown fields, so emit them only for builds
// whose schema still accepts them.
let sb_version_state_file = getenv("SB_VERSION_STATE_FILE") || "/etc/tachyon/sing-box-version";
let sb_version = trim(fs.readfile(sb_version_state_file) || "");
if (common.extended_awg_schema_has_junk_signatures(sb_version)) {
if (j1 != "") amnezia.j1 = j1;
if (j2 != "") amnezia.j2 = j2;
if (j3 != "") amnezia.j3 = j3;
if (itime > 0) amnezia.itime = itime;
}
// sing-box-extended 2.7.0+ supports AWG 3.0 / 3.1 inside the amnezia object
if (awg_ver == "3.0" || awg_ver == "3.1") {
let hpk = option(section, "awg_header_protection_key", "");
if (hpk != "") {
if (amnezia.s1 < 12) amnezia.s1 = 20;
if (amnezia.s2 < 12) amnezia.s2 = 20;
if (amnezia.s3 < 12) amnezia.s3 = 20;
if (amnezia.s4 < 12) amnezia.s4 = 20;
amnezia.header_protection_key = hpk;
}
let cpa = option(section, "awg_content_padding_addition", "");
if (cpa != "") amnezia.content_padding_addition = cpa;
}
if (awg_ver == "3.1") {
let rka = option(section, "awg_rekey_after_time", "");
if (rka != "") amnezia.rekey_after_time = rka;
let rkt = option(section, "awg_rekey_timeout", "");
if (rkt != "") amnezia.rekey_timeout = rkt;
let rja = option(section, "awg_reject_after_time", "");
if (rja != "") amnezia.reject_after_time = rja;
let kpt = option(section, "awg_keepalive_timeout", "");
if (kpt != "") amnezia.keepalive_timeout = kpt;
let mha = option(section, "awg_max_handshake_attempts", "");
if (mha != "") amnezia.max_handshake_attempts = mha;
}
inbound.amnezia = amnezia;
}
}
else {
inbound.users = users(section, protocol);
}
apply_tls(inbound, section, protocol);
apply_transport(inbound, section, protocol);
if (protocol == "awg" && is_lx_schema) {
let server_port = int_option(section, "awg_server_port", int_option(section, "listen_port", 51820));
inbound.listen_port = server_port;
delete inbound.listen;
if (!config.endpoints)
config.endpoints = [];
push(config.endpoints, inbound);
} else {
push(config.inbounds, inbound);
}
}
function add_json_inbound(config, section, tag_name) {
let inbound = {};
try {
inbound = json(option(section, "inbound_json", ""));
}
catch (e) {
inbound = {};
}
if (type(inbound) != "object")
inbound = {};
inbound.tag = tag_name;
push(config.inbounds, inbound);
}
function add_tailscale_endpoint(config, section, tag_name) {
let section_name = section[".name"];
let endpoint = {
type: "tailscale",
tag: tag_name,
state_directory: "/etc/tachyon/tailscale/" + safe_filename(section_name),
auth_key: option(section, "tailscale_auth_key", ""),
control_url: option(section, "tailscale_control_url", "https://controlplane.tailscale.com"),
hostname: option(section, "tailscale_hostname", "tachyon-" + safe_filename(section_name))
};
if (bool_option(section, "tailscale_accept_routes", false))
endpoint.accept_routes = true;
let advertise_routes = list_option(section, "tailscale_advertise_routes");
if (length(advertise_routes) > 0)
endpoint.advertise_routes = advertise_routes;
if (bool_option(section, "tailscale_advertise_exit_node", false))
endpoint.advertise_exit_node = true;
push(config.endpoints, endpoint);
}
function is_native_tailscale(section) {
return option(section, "protocol", "vless") == "tailscale" &&
option(section, "tailscale_mode", "singbox") == "native";
}
function add_dns_bypass(config, section) {
if (option(section, "protocol", "vless") != "tailscale")
return;
// Native mode runs tailscaled outside sing-box; MagicDNS is served by
// dnsmasq instead of a sing-box DNS server.
if (is_native_tailscale(section))
return;
let section_name = section[".name"];
let inbound = runtime_constants.server_inbound_tag(section_name);
let dns_tag = runtime_constants.tailscale_dns_server_tag(section_name);
let rule_tag = "tailscale-server-dns-" + safe_filename(section_name);
push(config.dns.servers, {
type: "tailscale",
tag: dns_tag,
endpoint: inbound,
accept_default_resolvers: true
});
push(config.dns.rules, {
action: "route",
server: dns_tag,
inbound,
__service_tag: rule_tag
});
}
function add_server(config, section) {
let section_name = section[".name"];
let protocol = option(section, "protocol", "vless");
let tag_name = runtime_constants.server_inbound_tag(section_name);
if (protocol == "tailscale") {
if (is_native_tailscale(section))
return;
add_tailscale_endpoint(config, section, tag_name);
}
else if (protocol == "json_inbound")
add_json_inbound(config, section, tag_name);
else
add_standard_inbound(config, section, protocol, tag_name);
add_dns_bypass(config, section);
}
function add_sniff_rule(config, section) {
let rules = array_or_empty(config.route.rules);
let rule = {
action: "sniff",
inbound: runtime_constants.server_inbound_tag(section[".name"])
};
let insert_at = 0;
while (insert_at < length(rules) && type(rules[insert_at]) == "object" && rules[insert_at].action == "sniff")
insert_at++;
let result = [];
for (let i = 0; i < insert_at; i++)
push(result, rules[i]);
push(result, rule);
for (let i = insert_at; i < length(rules); i++)
push(result, rules[i]);
config.route.rules = result;
}
function clone(value) {
try {
return json(sprintf("%J", value));
}
catch (e) {
return null;
}
}
function value_contains(value, item) {
if (type(value) == "array") {
for (let entry in value)
if (entry == item)
return true;
return false;
}
return value == item;
}
function clone_rules_for_inbound(config, source_inbound, target_inbound, skip_domain) {
let cloned_rules = [];
for (let rule in array_or_empty(config.route.rules)) {
if (type(rule) != "object")
continue;
if (rule.action != "route" && rule.action != "reject")
continue;
if (!value_contains(rule.inbound, source_inbound))
continue;
if (skip_domain != "" && value_contains(rule.domain, skip_domain))
continue;
if (rule.source_ip_cidr != null)
continue;
let cloned = clone(rule);
if (type(cloned) != "object")
continue;
cloned.inbound = target_inbound;
push(cloned_rules, cloned);
}
for (let cloned_rule in cloned_rules)
push(config.route.rules, cloned_rule);
}
return {
add_server,
add_sniff_rule,
clone_rules_for_inbound,
is_native_tailscale
};