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From: Yar Tikhiy <yar@FreeBSD.org>
Date: Wed, 19 Jan 2005 10:33:20 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org,
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Subject: cvs commit: src/libexec/ftpd ftpd.c
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yar         2005-01-19 10:33:20 UTC

  FreeBSD src repository

  Modified files:
    libexec/ftpd         ftpd.c 
  Log:
  Improve handling SIGURG and OOB commands on the control channel.
  
  The major change is to process STAT sent as an OOB command w/o
  breaking the current data transfer.  As a side effect, this gives
  better error checking in the code performing data transfers.
  
  A lesser, but in no way cosmetic, change is using the flag `recvurg'
  in the only signal-safe way that has been blessed by SUSv3.  The
  other flag, `transflag,' becomes private to the SIGURG machinery,
  serves debugging purposes only, and may be dropped in the future.
  
  The `byte_count' global variable is now accounting bytes actually
  transferred over the network.  This can give status messages looking
  strange, like "X of Y bytes transferred," where X > Y, but that has
  more sense than trying to compensate for combinations of data formats
  on the server and client when transferring ASCII type data.  BTW,
  getting the size of a file in advance is unreliable for a number of
  reasons in the first place.  See question 18.8 of the Infrequently
  Asked Questions in comp.lang.c for details.
  
  PR:             bin/52072
  Tested by:      Nick Leuta (earlier versions), a stress-testing tool (final)
  MFC after:      1 month
  
  Revision  Changes    Path
  1.202     +269 -134  src/libexec/ftpd/ftpd.c