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molly-brown
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Switch CGI implementation to actual CGI.

This commit is contained in:
Solderpunk 2020-06-04 22:38:22 +02:00
parent de119aa0bb
commit a16a5fac12
1 changed files with 14 additions and 11 deletions
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25
handler.go
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@ -132,7 +132,7 @@ func handleGeminiRequest(conn net.Conn, config Config, logEntries chan LogEntry)
// If this file is executable, get dynamic content
inCGIPath, err := regexp.Match(config.CGIPath, []byte(path))
if inCGIPath && info.Mode().Perm() & 0111 == 0111 {
handleCGI(path, URL, log, conn)
handleCGI(config, path, URL, log, conn)
return
}
@ -200,20 +200,23 @@ func serveFile(path string, log LogEntry, conn net.Conn) {
conn.Write(contents)
}
func handleCGI(path string, URL *url.URL, log LogEntry, conn net.Conn) {
func handleCGI(config Config, path string, URL *url.URL, log LogEntry, conn net.Conn) {
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
defer cancel()
cmd := exec.CommandContext(ctx, path)
stdin, err := cmd.StdinPipe()
if err != nil {
conn.Write([]byte("42 CGI error!\r\n"))
log.Status = 42
return
// Set environment variables
cmd.Env = []string{
"GATEWAY_INTERFACE=CGI/1.1",
"PATH_INFO=/",
"QUERY_STRING=" + URL.RawQuery,
"REMOTE_ADDR=" + conn.RemoteAddr().String(),
"REQUEST_METHOD=",
"SCRIPT_PATH=" + path,
"SERVER_NAME=" + config.Hostname,
"SERVER_PORT=" + strconv.Itoa(config.Port),
"SERVER_PROTOCL=GEMINI",
"SERVER_SOFTWARE=MOLLY_BROWN",
}
defer stdin.Close()
io.WriteString(stdin, URL.String())
io.WriteString(stdin, "\r\n")
stdin.Close()
response, err := cmd.Output()
if ctx.Err() == context.DeadlineExceeded {
conn.Write([]byte("42 CGI process timed out!\r\n"))