From 93f1784526f3ed02a5e32696fcd687181f0da80f Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Fri, 14 Jun 2002 06:57:00 +0000
Subject: Remade the FTP not-check status line and
 not-attempt-to-read-status-line variables, conditions and things.

---
 lib/ftp.c     | 45 +++++++++++++++++++--------------------------
 lib/urldata.h | 11 ++++++-----
 2 files changed, 25 insertions(+), 31 deletions(-)

(limited to 'lib')

diff --git a/lib/ftp.c b/lib/ftp.c
index 14f4269c2..5195980bf 100644
--- a/lib/ftp.c
+++ b/lib/ftp.c
@@ -23,7 +23,6 @@
 
 #include "setup.h"
 
-/* MN 06/07/02 */
 #ifndef CURL_DISABLE_FTP
 #include <stdio.h>
 #include <string.h>
@@ -656,26 +655,24 @@ CURLcode Curl_ftp_done(struct connectdata *conn)
   sclose(conn->secondarysocket);
   conn->secondarysocket = -1;
 
-  if(!data->set.no_body && !ftp->dont_check) {
+  if(!ftp->no_transfer) {
     /* now let's see what the server says about the transfer we just
        performed: */
     nread = Curl_GetFTPResponse(buf, conn, &ftpcode);
     if(nread < 0)
       return CURLE_OPERATION_TIMEOUTED;
 
-    /* 226 Transfer complete, 250 Requested file action okay, completed. */
-    if((ftpcode != 226) && (ftpcode != 250)) {
-      failf(data, "server did not report OK, got %d", ftpcode);
-      return CURLE_FTP_WRITE_ERROR;
+    if(!ftp->dont_check) {
+      /* 226 Transfer complete, 250 Requested file action okay, completed. */
+      if((ftpcode != 226) && (ftpcode != 250)) {
+        failf(data, "server did not report OK, got %d", ftpcode);
+        return CURLE_FTP_WRITE_ERROR;
+      }
     }
   }
-  if(ftp->dont_check)
-    /* if we don't check, we can't re-use this connection as it leaves the
-       control connection in a weird status */
-    conn->bits.close = TRUE;
 
-  /* reset these for next connection */
-  conn->bits.resume_done = FALSE;
+  /* clear these for next connection */
+  ftp->no_transfer = FALSE;
   ftp->dont_check = FALSE; 
 
   /* Send any post-transfer QUOTE strings? */
@@ -1563,6 +1560,8 @@ CURLcode ftp_perform(struct connectdata *conn)
        size! */
     ssize_t filesize;
 
+    ftp->no_transfer = TRUE; /* this means no actual transfer is made */
+    
     /* Some servers return different sizes for different modes, and thus we
        must set the proper type before we check the size */
     result = ftp_transfertype(conn, data->set.ftp_ascii);
@@ -1604,8 +1603,8 @@ CURLcode ftp_perform(struct connectdata *conn)
   }
 
   if(data->set.no_body)
-    /* don't transfer the data */
-    ;
+    /* doesn't really transfer any data */
+    ftp->no_transfer = TRUE;
   /* Get us a second connection up and connected */
   else if(data->set.ftp_use_port) {
     /* We have chosen to use the PORT command */
@@ -1701,11 +1700,9 @@ CURLcode ftp_perform(struct connectdata *conn)
             /* no data to transfer */
             result=Curl_Transfer(conn, -1, -1, FALSE, NULL, -1, NULL);
             
-            /* Set resume done and dont_check so that we won't get any error
-             * in Curl_ftp_done() because we didn't transfer the amount of
-             * bytes that the local file file obviously is */
-            conn->bits.resume_done = TRUE; 
-            ftp->dont_check = TRUE;
+            /* Set no_transfer so that we won't get any error in
+             * Curl_ftp_done() because we didn't transfer anything! */
+            ftp->no_transfer = TRUE; 
 
             return CURLE_OK;
           }
@@ -1794,7 +1791,6 @@ CURLcode ftp_perform(struct connectdata *conn)
       }
       infof(data, "range-download from %d to %d, totally %d bytes\n",
             from, to, totalsize);
-      conn->bits.resume_done = TRUE; /* to prevent some error due to this */
       ftp->dont_check = TRUE; /* dont check for successful transfer */
     }
 
@@ -1888,12 +1884,9 @@ CURLcode ftp_perform(struct connectdata *conn)
           result=Curl_Transfer(conn, -1, -1, FALSE, NULL, -1, NULL);
           infof(data, "File already completely downloaded\n");
 
-          /* Set resume done so that we won't get any error in Curl_ftp_done()
-           * because we didn't transfer the amount of bytes that the remote
-           * file obviously is */
-          conn->bits.resume_done = TRUE; 
-          ftp->dont_check = TRUE;
-
+          /* Set no_transfer so that we won't get any error in Curl_ftp_done()
+           * because we didn't transfer the any file */
+          ftp->no_transfer = TRUE;
           return CURLE_OK;
         }
 	
diff --git a/lib/urldata.h b/lib/urldata.h
index e9486fdb0..161cc0004 100644
--- a/lib/urldata.h
+++ b/lib/urldata.h
@@ -180,8 +180,12 @@ struct FTP {
 
   char *cache;       /* data cache between getresponse()-calls */
   size_t cache_size; /* size of cache in bytes */
-  bool dont_check;  /* set to TRUE to prevent the final (post-transfer)
-                       file size and 226/250 status check */
+  bool dont_check;  /* Set to TRUE to prevent the final (post-transfer)
+                       file size and 226/250 status check. It should still
+                       read the line, just ignore the result. */
+  bool no_transfer; /* nothing was transfered, (possibly because a resumed
+                       transfer already was complete) */
+
 };
 
 /****************************************************************************
@@ -204,9 +208,6 @@ struct ConnectBits {
 
   bool use_range;
   bool rangestringalloc; /* the range string is malloc()'ed */
-
-  bool resume_done; /* nothing was transfered, resumed transfer already
-                       complete */
 };
 
 /*
-- 
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