From d34270c536e3af009031c4fffd3d9a8c8440dbe8 Mon Sep 17 00:00:00 2001
From: mtortonesi <devnull@localhost>
Date: Thu, 9 Mar 2006 05:50:03 -0800
Subject: [PATCH] [svn] Add support for download of hidden files from FTP.

---
 src/ChangeLog   |  5 ++++
 src/ftp-basic.c | 66 +++++++++++++++++++++++++++++--------------------
 2 files changed, 44 insertions(+), 27 deletions(-)

diff --git a/src/ChangeLog b/src/ChangeLog
index 35df0375..04fea0d5 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,8 @@
+2006-03-09  Mauro Tortonesi  <mauro@ferrara.linux.it>
+
+	* ftp.c (ftp_list): Try `LIST -a' command first and revert to `LIST'
+	in case of failure.
+
 2006-03-06  Hrvoje Niksic  <hniksic@xemacs.org>
 
 	* hash.c (TOLOWER): Fix definition when STANDALONE.
diff --git a/src/ftp-basic.c b/src/ftp-basic.c
index dd7d7b7a..4127b686 100644
--- a/src/ftp-basic.c
+++ b/src/ftp-basic.c
@@ -962,33 +962,45 @@ ftp_list (int csock, const char *file)
   char *request, *respline;
   int nwritten;
   uerr_t err;
-
-  /* Send LIST request.  */
-  request = ftp_request ("LIST", file);
-  nwritten = fd_write (csock, request, strlen (request), -1);
-  if (nwritten < 0)
-    {
-      xfree (request);
-      return WRITEFAILED;
-    }
-  xfree (request);
-  /* Get appropriate respone.  */
-  err = ftp_response (csock, &respline);
-  if (err != FTPOK)
-    return err;
-  if (*respline == '5')
-    {
-      xfree (respline);
-      return FTPNSFOD;
-    }
-  if (*respline != '1')
-    {
-      xfree (respline);
-      return FTPRERR;
-    }
-  xfree (respline);
-  /* All OK.  */
-  return FTPOK;
+  bool ok = false;
+  int i = 0;
+  /* Try `LIST -a' first and revert to `LIST' in case of failure.  */
+  const char *list_commands[] = { "LIST -a", 
+                                  "LIST" };
+
+  do {
+    /* Send request.  */
+    request = ftp_request (list_commands[i], file);
+    nwritten = fd_write (csock, request, strlen (request), -1);
+    if (nwritten < 0)
+      {
+        xfree (request);
+        return WRITEFAILED;
+      }
+    xfree (request);
+    /* Get appropriate response.  */
+    err = ftp_response (csock, &respline);
+    if (err == FTPOK)
+      {
+        if (*respline == '5')
+          {
+            err = FTPNSFOD;
+          }
+	else if (*respline == '1')
+          {
+            err = FTPOK;
+            ok = true;
+          }
+        else 
+          {
+    	    err = FTPRERR;
+          }
+        xfree (respline);
+      }
+    ++i;
+  } while (i < countof (list_commands) && !ok);
+  
+  return err;
 }
 
 /* Sends the SYST command to the server. */
-- 
2.39.2