- Ian Lynagh provided a patch that now makes CURLOPT_RANGE work fine for SFTP

downloads!

CHANGES

@@ -7,6 +7,9 @@
                                   Changelog
 
 Daniel Stenberg (29 Sep 2008)
+- Ian Lynagh provided a patch that now makes CURLOPT_RANGE work fine for SFTP
+  downloads!
+
 - Maxim Ivanov filed bug report #2107803
   (http://curl.haxx.se/bug/view.cgi?id=2107803) "no CURLINFO_REDIRECT_URL in
   multi mode" together with a patch that fixed the problem.

RELEASE-NOTES

@@ -29,6 +29,7 @@ This release includes the following bugfixes:
  o removed the use of mktime() and gmtime(_r)() in date parsing and conversions
  o HTTP Digest with a blank realm did wrong
  o CURLINFO_REDIRECT_URL didn't work with the multi interface
+ o CURLOPT_RANGE now works for SFTP downloads
 
 This release includes the following known bugs:
 
@@ -44,6 +45,6 @@ advice from friends like these:
  Keith Mok, Yang Tse, Daniel Fandrich, Guenter Knauf, Dmitriy Sergeyev,
  Linus Nielsen Feltzing, Martin Drasar, Stefan Krause, Dmitry Kurochkin,
  Mike Revi, Andres Garcia, Michael Goffioul, Markus Moeller, Rob Crittenden,
- Jamie Lokier, Emanuele Bovisio, Maxim Ivanov
+ Jamie Lokier, Emanuele Bovisio, Maxim Ivanov, Ian Lynagh
 
         Thanks! (and sorry if I forgot to mention someone)

TODO-RELEASE

@@ -17,8 +17,6 @@ To be addressed before 7.19.1 (planned release: October/November 2008)
       possibly the same or related to "Potential issue when using the new
       PRIMARY_IP metric"
 
-176 - "SFTP and CURLOPT_RANGE"
-
 177 - "[Patch] Disable proxy support"
 
 178 - "[Patch] Disable multi API support"

lib/ssh.c

@@ -101,6 +101,7 @@
 #include "inet_ntop.h"
 #include "parsedate.h" /* for the week day and month names */
 #include "sockaddr.h" /* required for Curl_sockaddr_storage */
+#include "strtoofft.h"
 #include "multiif.h"
 
 #define _MPRINTF_REPLACE /* use our functions only */
@@ -1631,9 +1632,35 @@ static CURLcode ssh_statemach_act(struct connectdata *conn)
       data->req.maxdownload = -1;
     }
     else {
-      data->req.size = attrs.filesize;
-      data->req.maxdownload = attrs.filesize;
-      Curl_pgrsSetDownloadSize(data, attrs.filesize);
+      curl_off_t size;
+
+      size = attrs.filesize;
+      if(conn->data->state.use_range) {
+        curl_off_t from, to;
+        char *ptr;
+        char *ptr2;
+
+        from=curlx_strtoofft(conn->data->state.range, &ptr, 0);
+        while(ptr && *ptr && (isspace((int)*ptr) || (*ptr=='-')))
+          ptr++;
+        to=curlx_strtoofft(ptr, &ptr2, 0);
+        if ((ptr == ptr2) /* no "to" value given */
+            || (to > size)) {
+          to = size;
+        }
+        if (from > to) {
+          from = to;
+          size = 0;
+        }
+        else {
+          size = to - from + 1;
+        }
+
+        libssh2_sftp_seek(conn->proto.sshc.sftp_handle, from);
+      }
+      data->req.size = size;
+      data->req.maxdownload = size;
+      Curl_pgrsSetDownloadSize(data, size);
     }
 
     /* We can resume if we can seek to the resume position */