[OpenAFS-win32-devel] openafs 1.3.75 soon to be released

Tue, 07 Dec 2004 11:23:35 +0100

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Changes to the Unix sources are going to result in a 1.3.75 release in 
the either today or tomorrow.  If you have a chance to test the latest
daily builds please do so:

    http://web.mit.edu/~jaltman/Public/OpenAFS/
    /afs/athena.mit.edu/user/j/a/jaltman/Public/OpenAFS/
    \\AFS\athena.mit.edu\user\j\a\jaltman\Public\OpenAFS\

These binaries are digitally signed with Secure Endpoints Inc. certificate.

The changes since 1.3.74 include:

   * Shutdown all SMB threads in a synchronized manner when stopping the
     service.

   * There is currently a maximum cache size of 1.3GB.  The limit is
     imposed by the largest contiguous block of unused memory within the
     2GB process space which can be assigned to the memory mapped file.
     Unfortunately, when the executable digital signature verification
     code is activated Windows sees fit to further segment the process
     memory which in turn reduces the size of the maximum cache file to
     less then 800MB.  If larger cache sizes are desired, a new registry
     value should be set:

     HKLM\SOFTWARE\OpenAFS\Client (DWORD) "VerifyServiceSignature" = 0x0

     Setting this value will disable the runtime verification of digital
     signatures on afsd_service.exe and the afs dlls which it loads.  It
     will not disable the the version number check on those same files.
     The signature verification is not a security messure and is only
     meant to enhance the ability to afsd_service.exe to detect potential
     destablizing mixtures of DLLs from incompatible distributions.

     Added code to auto-disable the signature verification check if
     the desired cache size is greater then 700MB.

   * Windows' WinTrustVerify(WIN_SPUB_ACTION_PUBLISHED_SOFTWARE) is
     used to verify the validity of the afsd_service.exe binary
     as well as each of the AFS DLLs loaded by the service.  Not only
     must the digital signature be valid but the signatures of the
     DLL must be signed by the same entity as the service.

   * Implement new functions: cm_freelanceMountPointExists and
     cm_freelanceSymlinkExists.  Use them along with other validity
     checks in cm_freelanceAddMount and cm_freelanceAddSymlink to
     ensure that name collisions do not occur and that empty strings
     are not valid file names.

     A symlink may not have a name which would resolve to a valid
     cell name.  Doing so would prevent access to the cell.

   * Add missing cm_HoldSCacheNoLock call to the Freelance mount point
     re-initialization code.  The reference counts of the fake root.afs
     volume scache object(s) would become invalid when the mount point
     or symlink lists were altered.

   * Add registry entries to provide mappings from the afsdsbmt.ini
     to the new locations for applications which count on the use
     of the old Profile file APIs.  These apps are likely to fail
     if the user does not have administrator privileges and the
     registry is locked down.

   * The afs_config.exe submounts dialog had two errors.
     First, attempts to remove entries failed because the registry
     key was being opened without KEY_WRITE privileges.
     Second, when editing a submount entry, changing the name
     would add a new key and leave the original one in place.
     Now the original submount will be removed if its name is
     changed.

   * In recent months there have been several incidents in which
     users have experienced problems starting or accessing
     afsd_service.exe and after significant effort has been spent
     it has turned out that they have two versions of AFS on the
     machine or an inconsistent set of DLLs.

     Code has now been added to afsd_service.exe which will walk
     the list of modules loaded by afsd_service.exe and validate
     that the version of the AFS DLLs matches the version of the
     afsd_service.exe executable.  If they do not match the service
     will not start.

   * When Freelance mode is enabled and there is no registry
     key HKLM\SOFTWARE\OpenAFS\Client\Freelance, afsd_service.exe
     will attempt to import the afs_freelance.ini file contents.
     If the file does not exist, it was creating a dummy file
     with a r/o and r/w entry for the default cell and then
     importing those values.

     This process has been changed.  The temporary file is no
     longer created.   Also, both the OpenAFS Client install
     directory as well as %WINDIR% are checked for previous
     afs_freelance.ini files.

   * Added support for VL_GetEntryByNameN().  Still need to add
     support for VL_GetEntryByNameU() for multi-homed support.

   * Fix a deadlock situation in afscreds.exe when canceling an
     auto-generated Obtain Tokens dialog

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