1 files changed, 24 insertions, 14 deletions

diff --git a/methods/server.cc b/methods/server.cc
index bd01c3e98..f61a6fedb 100644
--- a/methods/server.cc
+++ b/methods/server.cc
@@ -54,7 +54,7 @@ ServerState::RunHeadersResult ServerState::RunHeaders(FileFd * const File,
    Major = 0; 
    Minor = 0; 
    Result = 0; 
-   Size = 0; 
+   TotalFileSize = 0;
    JunkSize = 0;
    StartPos = 0;
    Encoding = Closes;
@@ -164,15 +164,22 @@ bool ServerState::HeaderLine(string Line)
 	 Encoding = Stream;
       HaveContent = true;
 
-      unsigned long long * SizePtr = &Size;
+      unsigned long long * DownloadSizePtr = &DownloadSize;
       if (Result == 416)
-	 SizePtr = &JunkSize;
+	 DownloadSizePtr = &JunkSize;
 
-      *SizePtr = strtoull(Val.c_str(), NULL, 10);
-      if (*SizePtr >= std::numeric_limits<unsigned long long>::max())
+      *DownloadSizePtr = strtoull(Val.c_str(), NULL, 10);
+      if (*DownloadSizePtr >= std::numeric_limits<unsigned long long>::max())
 	 return _error->Errno("HeaderLine", _("The HTTP server sent an invalid Content-Length header"));
-      else if (*SizePtr == 0)
+      else if (*DownloadSizePtr == 0)
 	 HaveContent = false;
+
+      // On partial content (206) the Content-Length less than the real
+      // size, so do not set it here but leave that to the Content-Range
+      // header instead
+      if(Result != 206 && TotalFileSize == 0)
+         TotalFileSize = DownloadSize;
+
       return true;
    }
 
@@ -187,12 +194,15 @@ bool ServerState::HeaderLine(string Line)
       HaveContent = true;
 
       // §14.16 says 'byte-range-resp-spec' should be a '*' in case of 416
-      if (Result == 416 && sscanf(Val.c_str(), "bytes */%llu",&Size) == 1)
+      if (Result == 416 && sscanf(Val.c_str(), "bytes */%llu",&TotalFileSize) == 1)
 	 ; // we got the expected filesize which is all we wanted
-      else if (sscanf(Val.c_str(),"bytes %llu-%*u/%llu",&StartPos,&Size) != 2)
+      else if (sscanf(Val.c_str(),"bytes %llu-%*u/%llu",&StartPos,&TotalFileSize) != 2)
 	 return _error->Error(_("The HTTP server sent an invalid Content-Range header"));
-      if ((unsigned long long)StartPos > Size)
+      if ((unsigned long long)StartPos > TotalFileSize)
 	 return _error->Error(_("This HTTP server has broken range support"));
+
+      // figure out what we will download
+      DownloadSize = TotalFileSize - StartPos;
       return true;
    }
 
@@ -319,13 +329,13 @@ ServerMethod::DealWithHeaders(FetchResult &Res)
 	 {
 	    Hashes resultHashes(Queue->ExpectedHashes);
 	    FileFd file(Queue->DestFile, FileFd::ReadOnly);
-	    Server->Size = file.FileSize();
+	    Server->TotalFileSize = file.FileSize();
 	    Server->Date = file.ModificationTime();
 	    resultHashes.AddFD(file);
 	    HashStringList const hashList = resultHashes.GetHashStringList();
 	    partialHit = (Queue->ExpectedHashes == hashList);
 	 }
-	 else if ((unsigned long long)SBuf.st_size == Server->Size)
+	 else if ((unsigned long long)SBuf.st_size == Server->TotalFileSize)
 	    partialHit = true;
 	 if (partialHit == true)
 	 {
@@ -337,7 +347,7 @@ ServerMethod::DealWithHeaders(FetchResult &Res)
 	       Server->RunData(&DevNull);
 	    }
 	    Server->HaveContent = false;
-	    Server->StartPos = Server->Size;
+	    Server->StartPos = Server->TotalFileSize;
 	    Server->Result = 200;
 	 }
 	 else if (unlink(Queue->DestFile.c_str()) == 0)
@@ -363,8 +373,8 @@ ServerMethod::DealWithHeaders(FetchResult &Res)
 
    // This is some sort of 2xx 'data follows' reply
    Res.LastModified = Server->Date;
-   Res.Size = Server->Size;
-
+   Res.Size = Server->TotalFileSize;
+   
    // Open the file
    delete File;
    File = new FileFd(Queue->DestFile,FileFd::WriteAny);