Add an option to not include symlinks in dirlist.

README.md

@@ -235,6 +235,8 @@ directory listing:
   directory listings will use the first top-level heading (i.e. line
   beginning with "# ") in files with an extension of `GeminiExt`
   instead of the filename (default value false).
+* `DirectoryLinks` (boolean): if false, symlinks will not be included
+  in the automatically generated directory listings.
 
 ### Redirects
 

config.go

@@ -29,6 +29,7 @@ type Config struct {
 	DirectorySort    string
 	DirectoryReverse bool
 	DirectoryTitles  bool
+	DirectoryLinks   bool
 }
 
 type MollyFile struct {
@@ -41,6 +42,7 @@ type MollyFile struct {
 	DirectorySort    string
 	DirectoryReverse bool
 	DirectoryTitles  bool
+	DirectoryLinks   bool
 }
 
 func getConfig(filename string) (Config, error) {
@@ -126,6 +128,7 @@ func parseMollyFiles(path string, config *Config, errorLog *log.Logger) {
 	mollyFile.DirectorySort = config.DirectorySort
 	mollyFile.DirectoryReverse = config.DirectoryReverse
 	mollyFile.DirectoryTitles = config.DirectoryTitles
+	mollyFile.DirectoryLinks = config.DirectoryLinks
 	// Build list of directories to check
 	var dirs []string
 	dirs = append(dirs, path)
@@ -163,6 +166,7 @@ func parseMollyFiles(path string, config *Config, errorLog *log.Logger) {
 		config.DirectorySort = mollyFile.DirectorySort
 		config.DirectoryReverse = mollyFile.DirectoryReverse
 		config.DirectoryTitles = mollyFile.DirectoryTitles
+		config.DirectoryLinks = mollyFile.DirectoryLinks
 		for key, value := range mollyFile.TempRedirects {
 			config.TempRedirects[key] = value
 		}

dirlist.go

@@ -13,10 +13,21 @@ import (
 
 func generateDirectoryListing(URL *url.URL, path string, config Config) (string, error) {
 	var listing string
-	files, err := ioutil.ReadDir(path)
+	rfiles, err := ioutil.ReadDir(path)
 	if err != nil {
 		return listing, err
 	}
+    var files []os.FileInfo
+    if config.DirectoryLinks {
+        files = rfiles
+    } else {
+        for _, file := range rfiles {
+            if file.Mode() & os.ModeSymlink == 0 {
+                files = append(files, file)
+            }
+        }
+    }
+
 	listing = "# Directory listing\n\n"
 	// Override with .mollyhead file
 	header_path := filepath.Join(path, ".mollyhead")

example.conf

@@ -17,6 +17,7 @@
 #DirectorySort = "Time"
 #DirectoryReverse = true
 #DirectoryTitles = true
+#DirectoryLinks = false
 #
 ## Dynamic content
 #

main.go

@@ -56,10 +56,12 @@ func main() {
 		errorLog.Println("Error loading TLS keypair: " + err.Error())
 		log.Fatal(err)
 	}
+
 	tlscfg := &tls.Config{
-		Certificates: []tls.Certificate{cert},
-		MinVersion:   tls.VersionTLS12,
-		ClientAuth:   tls.RequestClientCert,
+		Certificates:             []tls.Certificate{cert},
+		MinVersion:               tls.VersionTLS12,
+		ClientAuth:               tls.RequestClientCert,
+		PreferServerCipherSuites: true,
 	}
 
 	// Create TLS listener