Martin, try the enclosed patch (against the latest - Sunday night -
source).
Martin Kraemer wrote:
>
> >Number: 314
> >Category: mod_proxy
> >Synopsis: Truncated (short/invalid) files are proxy-cached. Ought to
> >be invalidated.
> >Confidential: no
> >Severity: non-critical
> >Priority: medium
> >Responsible: apache (Apache HTTP Project)
> >State: open
> >Class: sw-bug
> >Submitter-Id: apache
> >Arrival-Date: Fri Apr 4 07:10:01 1997
> >Originator: [EMAIL PROTECTED]
> >Organization:
> apache
> >Release: 1.2b8-dev
> >Environment:
> SVR4 on MIPS and intel
> >Description:
> When a transmission via an intranet apache proxy (which forwards via
> ProxyRemote * http://firewall) receives a "short" file
> (i.e., transmission stops before Content-Length bytes have arrived),
> the short file is put into the cache nonetheless.
>
> IMHO, this is the easiest situation to decide that the file should be
> invalidated (removed),
> instead of happily re-serving the truncated file on a reload (if the reload
> sends no no-cache header, as Mosaic does by default).
> >How-To-Repeat:
> Hmmm... can you force a truncated transmission? Should be possible via a
> nph-Script with a Content-Length that is too big.
> >Fix:
> Remove temp file instead of putting it in cache hierarchy if it is too short
> >Audit-Trail:
> >Unformatted:
--
chuck
Chuck Murcko
The Topsail Group, West Chester PA USA
[EMAIL PROTECTED]
*** proxy_ftp.c.orig Sun Apr 6 22:26:39 1997
--- proxy_ftp.c Sun Apr 6 22:28:53 1997
***************
*** 324,334 ****
o+=w;
}
}
! ap_snprintf(buf, sizeof(buf), "</PRE><HR><I><A
HREF=\"http://www.apache.org\";>%s</A></I></BODY></HTML>", SERVER_VERSION);
! bwrite(con->client, buf, strlen(buf));
! if (f2 != NULL) bwrite(f2, buf, strlen(buf));
! total_bytes_sent+=strlen(buf);
! bflush(con->client);
return total_bytes_sent;
}
--- 324,337 ----
o+=w;
}
}
! if (!r->connection->aborted) {
! ap_snprintf(buf, sizeof(buf), "</PRE><HR><I><A
HREF=\"http://www.apache.org\";>%s</A></I></BODY></HTML>", SERVER_VERSION);
! bwrite(con->client, buf, strlen(buf));
! if (f2 != NULL) bwrite(f2, buf, strlen(buf));
! total_bytes_sent+=strlen(buf);
! bflush(con->client);
! } else
! f2 = proxy_cache_error(c);
return total_bytes_sent;
}
*** proxy_util.c.orig Sun Apr 6 22:22:29 1997
--- proxy_util.c Sun Apr 6 22:23:59 1997
***************
*** 425,430 ****
--- 425,432 ----
}
if (!con->aborted)
bflush(con->client);
+ else
+ f2 = proxy_cache_error(c);
kill_timeout(r);
return total_bytes_sent;
