mirror of
https://github.com/XTLS/Xray-core.git
synced 2026-05-26 07:49:07 +00:00
Yury Kastov
56 lines
1.6 KiB
Go
56 lines
1.6 KiB
Go
package utils
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import (
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"path/filepath"
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"runtime"
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"strings"
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"syscall"
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)
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// ResolveSocketPath applies platform-specific transformations to a Unix
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// socket path, matching the listen-side behaviour in
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// transport/internet/system_listener.go.
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//
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// For abstract sockets (prefix @) on Linux/Android:
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// - single @ — used as-is (lock-free abstract socket)
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// - double @@ — stripped to single @ and padded to
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// syscall.RawSockaddrUnix{}.Path length (HAProxy compat)
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//
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// Filesystem paths and abstract sockets on other platforms are returned
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// unchanged.
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func ResolveSocketPath(path string) string {
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if len(path) == 0 || path[0] != '@' {
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return path
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}
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if runtime.GOOS != "linux" && runtime.GOOS != "android" {
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return path
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}
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if len(path) > 1 && path[1] == '@' {
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fullAddr := make([]byte, len(syscall.RawSockaddrUnix{}.Path))
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copy(fullAddr, path[1:])
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return string(fullAddr)
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}
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return path
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}
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// SplitHTTPUnixURL splits a target into an HTTP URL and an optional Unix
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// socket path. For regular http(s) URLs the input is returned unchanged
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// with an empty socketPath. For Unix sockets the format is:
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//
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// /path/to/socket.sock[:/http/path]
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// @abstract[:/http/path]
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// @@padded[:/http/path]
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//
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// The :/ separator delimits the socket path from the HTTP request path.
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// If omitted, "/" is used.
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func SplitHTTPUnixURL(raw string) (httpURL, socketPath string) {
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if len(raw) == 0 || (!filepath.IsAbs(raw) && raw[0] != '@') {
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return raw, ""
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}
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if idx := strings.Index(raw, ":/"); idx >= 0 {
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return "http://localhost" + raw[idx+1:], raw[:idx]
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}
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return "http://localhost/", raw
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}
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