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openafs/doc/txt/winnotes/afs-changes-since-1.2.txt
Jeffrey Altman 40d2f5f7c0 windows-admin-group-20040823 
Update text files for 1.3.71 and describe the new Windows Authorization
Group "AFS Client Admins"

====================
This delta was composed from multiple commits as part of the CVS->Git migration.
The checkin message with each commit was inconsistent.
The following are the additional commit messages.
====================

Add support for "AFS Client Admins" windows authortization group

====================

NTMakefile changes for Admin Group
2004-08-23 16:49:45 +00:00

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Since 1.3.70:
* A new Windows authorization group "AFS Client Admins" is now
created and populated with the members of the "Administrators"
group. The group is used to determine which accounts on the
machine may be used to modify the AFS Client Configuration via
the UI and command line tools. afs_config.exe, fs.exe,
* Modify the WinLogon Logoff Event Handler to query NT4 domain
controllers for the remote profile path if Active Directory
services are not available.
* Fix aklog.exe to not add the AFS ID to the username
* PTS registration of new users to foreign cells has been added to
afscreds.exe
* The cm_Daemon thread is used to perform checks for
down servers, up servers, volumes, callback expirations,
lock maintenance and token expiration. Due to a gaff in
larger integer division the thread never performed any
work. Instead the current time computation would always
be less then the trigger times. This had an adverse affect
on the client's ability to maintain communication with servers,
keep volumes up to date, and flush user tokens and acls
when they have expired. This was broken when the 1.3 branch
was modified to support VC7 which no longer included
largeint.lib
* An initialization problem with the Freelance code was
detected while fixing the callbackRequest. The cm_rootSCachep
object is obtained during afsd_InitDaemons() but the callback
information is incomplete. The callback information will not
be obtained until cm_MergeStatus is called from within
cm_GetCallback. Unfortunately, cm_SyncOp did not properly
test for the conditions under which the callback information
must be obtained.
* Reports have been filed indicating that callbacks were
being lost. An examination of the code indicated that the
cm_server_t objects were not being properly reference
counted by the cm_scache_t and cm_callbackRequest_t objects.
In particular, the cm_server_t objects may have been freed
from beneath the cm_conn_t objects.
All of the reference counting is now done via the functions:
cm_GetServer
cm_GetServerNoLock
cm_PutServer
cm_PutServerNoLock
this improves the ability to track the referrals.
Each cm_BeginCallbackGranting Call now allocates a reference
to the cm_server_t. The cm_EndCallbackGrantingCall either
frees the reference or transfers it to the cm_scache_t
cbServerp field. These are then appropriately tracked
through the cm_Analyze call.
* Ensure that the dnlc hash table is the same size as the
dir name hash table (as per original author's note).
Increase the dnlc CM_AFSNCNAMESIZE to a multiple of 8
for compatibility with 64-bit systems.
* fix smb_ApplyV3DirListPatches to properly apply the hidden
attribute to dotfiles when the infoLevel < 0x101 and
cm_SyncOp has failed.
* Fix the Freelance registry initialization code. There
was a possibility that some systems could end up with
garbage in the registry during a clean install.
Since 1.3.66:
* file and directory names beginning with "." will now be given the
hidden attribute when the volume access is anonymous. this matches
the behavior when the volume access is via an authenticated user.
* Added a change monitor to the HKLM\SOFTWARE\OpenAFS\Client\Freelance
key. When a change occurs mark the root.afs data as invalid and
for it to be reloaded on the next access. This allows administrators
to modify the mount point list without restarting the service.
The freelance client used to provide a fake modification time for
the root.afs volume data and its mount points of 7/09/2001 14:24 EDT.
Added code to extract the last modification time of the Freelance
registry key and use that instead. The time now represents the
most recent mount point change.
* PTS registration of new users to foreign cells has been added to
aklog.exe
* Additional Cache Control and Credential Manager options have been
added to the WiX installer. See deployment guide for details.
* The CachePath setting is now optionally a REG_EXPAND_SZ type
* The WiX installer has been upgraded. Version 2.0.1927.1 is now
required.
* The loopback installation code may have had a problem updating the
%ETC%\HOSTS file which could have resulted in a premature failure.
Work around code has been added for the case where the file cannot
be deleted.
* The default max chunksize was increased from 15 (32K) to 17 (128K)
because Windows sends 64K blocks when using overlapped writes.
* The default number of server threads was increased from 4 to 25 to
better handle overlapped writes.
* The "AfscredsShortcutParams" registry value was not being properly
loaded by afscreds.exe. Therefore, the default value was always being
used instead of the value set by the installer.
* Windows XP provides downgrade attack detection to prevent an attacker
from being able to force the use of NTLM simply by disrupting
communication with the KDC. This attack cannot exist between the
Windows CIFS client and the AFS Client Service. Therefore, when a
downgrade has been detected the afs pioctl library will force the
establishment of a new CIFS connection using NTLM.
* A locking error was discovered surrounding all references to volume
server lists within the cm_cell.c source file.
* The logged into Windows username was incorrect on Terminal Server
machines.
* A new registry value "NonPersistentCaching" was added to the service
parameters key. When set to a non-zero value, the afs cache is stored
in the Windows paging file. There are two limitations to choosing
this option:
1. when persistent caching is implemented it won't work with
this flag set since there will be nothing to persist.
2. with this flag set the initial paging allocation cannot be
changed while the service is running
* An initialization bug was discovered in aklog.exe which affected users
who have a domain name for their afs servers which could not be mapped
to a realm
Since 1.3.65:
* afs_config.exe now validates cell names against DNS in addition
to the CellServDB file.
* In order to allow the freelance client to connect to a volume with ID
equal to 1 on the default cell we changed the fake root.afs volume ID
once again. This time we choose 0xFFFFFFFF. In addition, we change
the cell ID of the fake root.afs volume from 1 to 0xFFFFFFFF as well.
It will now be impossible for a volume ID to match that of another
cell unless the client is connected to 0xFFFFFFFD cells. That should
be enough room for growth.
* Fix "fs mkmount" command to work with UNC paths and when
started from non-AFS drives. It is now possible to create a mount
point in the freelance fake root.afs volume with the command
fs mkmount \\AFS\all\<directory-name> <volume-name> <cellname>
For example,
fs mkmount \\AFS\all\openafs.org root.cell openafs.org
fs mkmount \\AFS\all\.openafs.org root.cell openafs.org -rw
* The algorithm used to re-attempt access to the servers associated with
a volume has been altered to properly address the case in which all
servers have been marked down. The previous algorithm did not reset
the server's down flags so the servers were never actually retried.
This caused a problem with active volumes if the network connectivity
was lost as could be the case with a network cable removal, wireless
drop, or laptop hibernation. With the fix volume access is restored
almost instantenously when network connectivity becomes available.
* Support for SMB/CIFS browsing has been added to the AFS Client Service
SMB server. It is now possible to use "NET VIEW \\AFS" to obtain a
listing of AFS submounts and freelance mount points. Support for
NETSHAREENUM, NETSHAREGETINFO, NETSERVERENUM2, NETSERVERGETINFO
significantly enhances the behavior of AFS volumes within the Explorer
Shell. For instance, "AFS" now shows up as server in the Explorer
with each submount or freelance mount point visible as a share.
The right click menu in each folder now works with full functionality
on a consistent basis.
* The network provider can be configured to have different behavior
depending on the domain that the user logs into. These settings are
only relevant when using integrated login. A domain refers to an
Active Directory (AD) domain, a trusted Kerberos (non-AD) realm or the
local machine (i.e. local account logins). The domain name that is
used for selecting the domain would be the domain that is passed into
the NPLogonNotify function of the network provider. (see registry.txt
for details)
* Added a new registry value [HKCU\SOFTWARE\OpenAFS\Client]
"Authentication Cell" which may be used to specify a default
authentication cell for afscreds.exe which is different from
the default cell for the AFS Client Service daemon.
* Added a Logoff WinLogon Event Notification function to afslogon.dll.
afslogon.dll moved to %WINDIR%\System32\.
New registry entries added to register the dll for Winlogon events.
The logoff event will now force a call to ktc_ForgetAllTokens()
using the context of the user being logged off as long as the
user's profile is not loaded from within AFS. If the profile
was loaded from AFS we can't release the tokens since the Logoff
event is triggered prior to the profile being written back to
the its source location. This is now performed in an XP SP2
safe manner.
* Windows XP SP2 Internet Connection Firewall interoperability
has been added.
* The %WINDIR%\afsdsbmt.ini contains four sections:
Submounts, Drive Mappings, Active Maps and CSC Policies.
The Submounts and CSC policies are now stored in the registry under
[HKLM\SOFTWARE\OpenAFS\Client\Submounts]
[HKLM\SOFTWARE\OpenAFS\Client\CSCPolicy]
The Drive Mappings and Active Maps are stored in the registry under
[HKCU\SOFTWARE\OpenAFS\Client\Mappings]
[HKCU\SOFTWARE\OpenAFS\Client\Active Maps]
There is no automatic migration of this data as it would be impossible
to consistently migrate data to user profiles which may not be active
when the machine is updated.
* The %WINDIR%\afs_freelance.ini contains lists of mountpoints for the
fake root.afs volume. For the same reasons as for the cellservdb file,
this information should not be in %WINDIR%. This information is now
kept under the registry key
[HKLM\SOFTWARE\OpenAFS\Client\Freelance]
The data from the afs_freelance.ini file will be automatically
migrated to the registry on first execution of afsd_service.exe
* Keeping the CellServDB file in the location %WINDIR%\afsdcell.ini is
troublesome for several reasons. One, it is confusing for those who
expect the file to be named "CellServDB" instead of "afsdcell.ini".
Two, this file is not a Windows Profile formatted file. Three,
applications should not be reading or writing to %WINDIR%. It causes
problems for Windows Terminal Server.
The new location of CellServDB will be the OpenAFS Client install
directory which is by default C:\Program Files\OpenAFS\Client and can
be determined by querying the registry for
[HKLM\SOFTWARE\TransarcCorporation\AFS Client\CurrentVersion]PathName
The existing afsdcell.ini will be migrated by the NSIS installer.
The Wix installer must still be updated to do the same.
* Change NSIS installer to use DNS by default; to remove Integrated Logon
High Security mode; and to add Terminal Services compatibility registry
entries to allow the OpenAFS tools to find the afsdcell.ini and other
configuration files in %WINDIR%.
* Add support for authenticated SMB connections. This will remove
the need for high security mode in most situations. Both NTLM
and Extended Security (GSS SPNEGO) modes are supported. Effectively,
only NTLM can be used even though Kerberos is now supported. The
reason is that it is not possible to construct a service principal
which is unique to each individual machine.
SMB Extended Auth does not work on XP SP2 unless one of two registry
modifications are made:
(1) To disable the check for matching host names on loopback connections
set this key. This does not require a reboot:
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa]
"DisableLoopbackCheck"=dword:00000001
(2) To add the AFS SMB/CIFS service name to an approved list. This
does require a reboot:
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa\MSV1_0]
"BackConnectionHostNames"=multi-sz "AFS" "MACHINE-AFS"
afsd_service.exe will automatically add the current Netbios Name
to the BackConnectionHostNames list and then temporarily disable
the loopback check for one cycle of startup/shutdown of the service.
We assume most folks do not start/stop without a reboot so this
will be adequate in most cases.
* Fix security hole in afslogon.dll which allowed passwords to be
sent in clear text to the KDC in a misformed principal name.
* Fix cm_GetCell() to properly handle expired dns entries
without crashing
* If Freelance mode is active and the afs_freelance.ini
file does not exist, do not create an empty file.
Instead create a file containing ro and rw mountpoints
to the default cell using the standard conventions.
* Modify the Freelance support to handle the ability
to create rw mount points in the fake root.afs volume.
* Changed the RPC mechanism used for token setting from
named pipes to local. Use of named pipes can be restored
by setting the environment variable AFS_RPC_PROTSEQ to
"ncacn_np".
Named pipes were required when a Windows 9x system was
using a NT system in gateway mode which is incompatible
with our use of local loopback adapters.
* In afscreds.exe, if a username of the form user@REALM is
specified and no password is specified, do not perform a
kinit operation. Only perform the aklog functionality.
* Add a new registry value which allows the number of processors
on which afsd_service.exe executes to be restricted. Valid
values are 1..numOfProcessors
HKLM\SYSTEM\CurrentControlSet\Services\TransarcAfsDaemon\Parameters
(DWORD) MaxCPUs
Since 1.3.64:
* A second MSI based installer option is now available.
* Fixed Kerberos 5 kinit functionality in afscreds.exe to properly
request tickets for user/instance@REALM instead of just user@REALM
* Modify the Power Management Notify routine to wait for the Hard Dead
timeout period instead of a fixed 19 seconds. With the longer timeout
periods Hibernation and Standby could never succeed when network
connectivity is not available.
* The following fs.exe commands are now restricted to Administrator:
- checkservers with a non-zero timer value
- setcachesize
- newcell
- sysname with a new sysname list
- exportafs
- setcell
- setserverprefs
- storebehind
- setcrypt
- cscpolicy
- trace
setting the default sysname for a machine should be done via the
registry and not via "fs sysname".
* NSIS installer adds options to install Debugging Symbols
and the Microsoft Loopback Adapter; the user is now also
given the ability to select the afscreds.exe startup options.
* Build system modified to generate symbols for FREE (aka RELEASE)
builds as well as CHECKED (aka DEBUG) builds
* Sites which have a volume ID of 0x20000001 assigned to their
root.cell volumes have been experiencing problems with accessing
the root.cell volume of their cell when Freelance mode has been
active. This was because 0x20000001 was assigned to the fake
root.afs volume created by freelance. The fake volume id is
now set to 0x00000001 to prevent conflicts.
* The timeout logic in the AFS Client Service has been wrong
for sometime. It is based on two different assumptions.
First, the SMB client timeout is a fix value as was the case
with OS/2 Lan Manager. This assumption is incorrect. The
SMB timeout in Windows is a dynamic value computed based upon
a fixed minimum timeout to which is added time based upon the
size of the request and the performance characteristics of
the connection. Second, it is the responsibility of the
SMB Server to enforce the timeout requirements of the client.
This is untrue. The SMB Server cannot be expected to know
the requirements of the client. More importantly, if the
SMB server uses the SMB client timeout as a value to restrict
its behavior as an RX client, the performance characteristics
of the local SMB session would be used to prematurely terminate
WAN connections with significantly different performance
characteristics.
The timeout logic has therefore been modified in the following
manner:
. the Lan Manager Workstation (SMB) Session Timeout is used only
as a basis for configuring the Connection Dead Timeout
and Hard Dead Timeout values. The Connection Dead Timeout
must be at least 15 seconds longer than the SMB Timeout
and the Hard Dead Timeout must be at least double the
Connection Dead Timeout.
. New registry entries have been added to allow the Connection
Dead Timeout and Hard Dead Timeout values independent of the
Lan Manager Workstation Session Timeout
. The test to enforce the SMB Client Timeout has been removed.
One of the side-effects of removing the enforcement of the SMB
Client Timeout is that regardless of whether or not the SMB client
is available to receive the response (and how would the SMB server
know) the RX protocol response can be used to update the AFS
Client Service state for ready access by future SMB client
requests.
This should be the end of the "Server paused or restarting messages"
* Add support for arbitrary UNC paths to the pioctl() support.
This enables the fs commands as well as the AFS Shell Extension
to work correctly when UNC paths are being used.
* Fix afscreds.exe (by updating afskfw.lib) to search for cells via
DNS if the cell configuration cannot be determined via CellServDB
* Add debug info to test whether CM_BUF_WAITING or CM_SCACHE_WAITING
are ever set more than once at a time
* Fix the management of lists of cm_cell_t structures when using
DNS to lookup cell information. The previous code would fail to
reuse the same cellID for a cell if DNS was used more than once
for a given cell name. When the ttl expired, a single cm_cell_t
could be inserted into the cm_allCellsp list more than once
producing a loop. In addition, the vlServerp list belonging to
the cell was not freed resulting in improper refCounting of the
servers.
* Add DNS support to cm_IoctlNewCell() which previous only examined
the CellServDB file
* Add cm_FreeServer() function and call it from cm_FreeServerList()
to properly garbage collect cm_server_t objects
* Add numVCs variable to smb.c to track the number of smb_vc_t
objects created and use it to initialize the vcID field which
previously was set to 0 in all objects resulting in FindByID
collisions.
* Fixed DNS lookups to work consistently throughout the OpenAFS
product instead of just from within the afsd_service.exe
* Added a runtime check to ensure that AFS Client Service SMB
Server is accepting connections before attempting to mount
global drives.
* Read IP addresses for volume servers out of the CellServDB
file if gethostbyname() on the hostname fails.
* Fix getcellconfig() to populate both the Hostnames as well
as IP addresses when loading cell data via DNS
* Increase the Connection Dead Time to 50 from 20 seconds
Increase the Hard Dead Time to 120 from 40 seconds
(matches the Unix values)
* Fixed an assertion validating the number of allocated NCBs
* Fixed the build environment to consistently build for
Windows 2000 and above. (APPVER = 5.0)
* Fixed rx_debug to properly validate the receipt in incoming
data with select() and recvfrom(). Do not copy data out of
the socket buffer unless success is indicated.
Since 1.3.63:
* afsd_service.exe will now display a message box to the
desktop when it terminates due to an IP Address Change.
* installer no longer deletes AFS Server configuration data
on uninstall
* installer generates a warning dialog if the RPC service
is not properly configured
* installer compressed with lzma instead of bzip2
* afsd_service.exe shutdown crash solved once and for all
* reference counting of smb_vc_t data structures improved
* name space collision of smb_fid_t event objects corrected
* the output of "fs memdump" is now written to
%WINDIR%\TEMP\afsd_alloc.log
* the file TaAfsApp_1033.dll is now properly installed allowing
the User Manager to start
* a new algorithm is used for computing filename pattern matches
* afscreds.exe now accepts user names containing instance
fields.
* Fix the Directory Name Lookup Cache to be case-sensitive.
This is crucial in environments in which a Windows client
is accessing a directory with more than one filename that
differs only by case. If the directory contains "FOO"
and "Foo". You want "DEL Foo" to delete the correct one.
We still have a problem in that "DEL foo" will delete a
random filename. This will be addressed in a future release.
* Fix afscreds.exe -M option (renewMaps) to work when High
Security mode is off. Also, remember to disable the ActiveMap
flag in afsdsbmt.ini when a drive mapping is removed.
* Updates to NSIS installer script. AFS Server configuration
data will not be destroyed on un-install or re-install.
Use a better compression algorithm.
* afslogon.dll now uses KFW to obtain tokens when available
* afslogon.dll when given an all uppercase username will
attempt to authenticate with both the uppercase name
and an all lowercase variation
* DST modification removed. The fix appears to make things
worse after a reboot of the machine.
* fs.exe: added "cscpolicy" which is used to
change client side caching policy for AFS shares
Usage: fs cscpolicy [-share <AFS share>] [-manual] [-programs]
[-documents] [-disable] [-help]
* Several uninitialized variables have been initialized
* It is now possible to obtain tokens using cross realm
Kerberos within afscreds.exe:
cell: dementia.org
user: jaltman@ATHENA.MIT.EDU
password: xxxxxxxx
Will obtain a cross realm ticket for jaltman/DEMENTIA.ORG@ATHENA.MIT.EDU
will will in turn be used to obtain afs@DEMENTIA.ORG.
The resulting token will be stored with the display name
jaltman@ATHENA.MIT.EDU@dementia.org
* aklog.exe has been added to the client
Usage: aklog [-d] [[-cell | -c] cell [-k krb_realm]]
[[-p | -path] pathname]
[-noprdb] [-force]
[-5 | -4]
-d gives debugging information.
krb_realm is the kerberos realm of a cell.
pathname is the name of a directory to which you wish to authenticate.
-noprdb means don't try to determine AFS ID.
-5 or -4 selects whether to use Kerberos V or Kerberos IV.
(default is Kerberos V)
No commandline arguments means authenticate to the local cell.
Since 1.3.62:
* All of the resource files have been restructured to adhere to
a set of rules IBM implemented for loading string resources.
These rules had either been forgotten or were not discovered
by folks working on the OpenAFS sources. The end result was
memory corruption. This is primary item which was preventing
the AFS Server from working.
* Increased the size of the maximum ticket size stored in a token
from 344 bytes to 12,000. Increased the buffers used to convey
messages between the pioctl() caller and the SMB Server from
1000 bytes to 12,512. The code appeared to have been writing
above the top of the stack by quite a few number of bytes.
(The increased ticket size is necessary for the next item.)
* When obtaining AFS Tokens via KFW, krb524 is no longer required.
Instead the raw Kerberos 5 ticket is used in its entirety. This
is extremely important as it allows us to use pure Kerberos 5 KDCs
as the source of the AFS authentication. The use of up to 12,000 byte
tickets will allow tickets produced by all versions of Microsoft
Active Directory to be used.
- create a user account.
- designate it DES only
- disable pre-auth
- specify its UPN to be "afs@realm"
- assign a SPN of "afs/cellname" to the UPN with setspn.exe
* Do not enforce the funky 8dot3 pattern matching rule that the first "."
is special when using long file names. (you must use "*.*" and not "*")
Instead only enforce it when performing 8dot3 searches.
* Fixed the DST problem with creation times being set one hour ahead
* Fixed the problem when using \\afs\cell-alias. For example,
\\afs\uncc instead of \\afs\uncc.edu. Do not a new cell struct
for the alias name; instead simply expand the name. One of the
symptoms of this problem was a loss of acquired tokens.
* Fixed the AFS Shell Extension. The Symbolic Link menu was empty
of strings. (Only English strings provided.)
* Fixed the installer to properly replace in use files.
* Fixed the build system to cleanup generated component version files
* The release build compiled with MSVC 6.0 compiler to avoid the
afsd_service.exe shutdown crash. This does not solve the problem
but simply avoids it for the time being.
Since 1.3.61:
* fix afslogon.dll to not corrupt memory when High Security mode
is not used.
* fix afsd_service.exe to not attempt to restore the stack when
an exception occurs. (not safe in multi-threaded programs)
* fix uninstaller to properly remove the CRT and MFC DLLs
* remove a Message Box from afscreds.exe when getcellconfig()
fails on a kerberos realm which is not a cell
The following is a list of changes to the OpenAFS for Window client
since 1.3.60.
* "fs setserverprefs" will leave afsd service deadlocked
* "vos listaddrs" will core dump
* installer sets the appropriate keys to support Integrated Logon
* installer disables the "Find Lana by Name" functionality as it
was causing headaches for many users
* fix the intermittent crash of the power management thread when
shutting down the AFS Client Service
* optimizes the obtain drive mount list functionality which is
executed every time the mount tab in afscreds.exe and afs_config.exe
are refreshed. (this happens a lot)
* fix the service shutdown logic. add the STOP_PENDING state
and do not accept additional service events after we declare
ourselves STOPPED.
The following is a list of changes to the OpenAFS for Window client
since 1.2.10.
* flexelint was run against the source tree and hundreds (perhaps
thousands) of corrections were applied to ensure prototypes
were in use; types were used consistently; variables were
initialized; unused variables were removed; etc.
* A wide variety of instrumentation was added including the
ability to produce a stack trace from within afsd_service.exe
when it crashes.
* Dynamic configuration of the RDRtimeout value based upon the
LanMan Workstation Session Timeout
* The mount root no longer needs to be called "/afs". This
is now set by a registry value "MountRoot" within the key
HKLM\SYSTEM\CurrentControlSet\Services\TransarcAFSDaemon\Parameters
* The cell list is now only read out of afsdcell.ini when the
file changes instead of each time a cell is resolved.
* Thread synchronization was added to cm_server.c and ktc_nt.c
* All calls to GlobalAlloc()/GlobalFree() were replaced with
calloc()/free(). The Global functions were needed on Windows 3.x
but have caused a variety of problems on the Win32 platforms.
Avoiding them is highly recommended by several Microsoft
Knowledgebase articles
* Support for Symbolic Links added to the AFS Shell Extension
* Added a registry value "OverlayEnabled" to determine if
Shell Extension Overlays should be enabled.
HKLM\SYSTEM\CurrentControlSet\Services\TransarcAFSDaemon\Parameters
* New Build system to support VC6, VC.NET, VC.NET2003 compilers and
separate trees for checked and free builds. Build system supports
a custom directory src\WINNT\extra which can be used as a grafting
location of organization specific additions to the build tree.
* New installer built using NSIS 2.0.
* Named all kernel objects in order to allow them to be monitored
with tools such as SysInternals' ProcExp.exe.
* Introduced new EventLog framework for AFSD
* Introduced Power Management interface to AFSD for Standby and
Hibernate modes to allow cache to be flushed prior to network
disconnect
* Utilize Win32 DNSQuery API instead of internal routines. This
allows DNS SRV queries to be sent to all current domain name
servers. Not just one specified in an INI file. DNS is now
always activated.
* "NetbiosName" registry value may be used to specify a fixed
Netbios Name such as "AFS" to be used instead of "HOSTNAME-AFS"
when the loopback adapter is in use. If you need to use the
old notation with a loopback adapter installed specify a registry
entry of
"NetbiosName" REG_EXPAND_SZ = "%COMPUTERNAME%-AFS"
* Refactor all modules which depend on LAN Adapter and NetbiosName
determination in a new library: lanahelper.lib. This allows for
consistent behavior throughout the product.
* Move the afsd.log and afsd_init.log files to the directory specified
by the "TEMP" environment variable. This is usually %WINDIR%\TEMP
for services. Added the Date to the log entries.
* New registry value "RxMaxMTU" used to limit the size of the RX
packets sent by the AFS Client Service to the Server. In order
to enable OpenAFS to work across the Cisco IPSec VPN the packet
size must be restricted to 1264 or smaller. The latest NSIS
installer sets a value of 1260 by default.
* New registry value "RxNoJumbo" to disable the use of Jumbo Rx
packets. This is not needed in order to work across the Cisco
VPN but might be needed for other network environments. This
value is not set by the NSIS installer.
* New registry value "HideDotFiles" is used to apply the Hidden
attribute to files whose names begin with a '.'. This value
is set by the NSIS installer.
* New registry value "MaxMpxRequests" allows the maximum number
of multiplexed sessions to be configured at run time. This
value is not set by the NSIS installer. The default value is
50.
* New registry value "MaxVCPerServer" allows the maxmimum number
of VCs per server to be configured at run time. This value is
not set by the NSIS installer. The default value is 100.
* New registry value "AllSubmount" allows the "all" submount to
be disabled by setting its value to 0x00.
* Allow cells names to be valid mount points
\\<netbiosName>\<cellname>
* Store the active state of drive mappings in order for afscreds.exe
to restore them upon startup
* Add exception handling to generate a Stack Trace to the afsd_init.log
file if one happens to occur.
* Add lots of logging to help detect the cause of invalid SMB packets
* Enable Kerberos for Windows to be used to obtain AFS Tokens via
conversion of Kerberos 5 "afs" service tickets. Supports auto-
renewal of expiring tokens as long as afscreds.exe is running.
* New afscreds.exe command line options:
-A = autoinit
-M = renew drive maps
-N = ip address change detection
-Z = unmap drives
* New registry value "EnableKFW" in {HKCU,HKLM}SOFTWARE\OpenAFS\Client
determines whether or not MIT Kerberos for Windows should be used
to obtain tokens via Kerberos 5 tickets.
* New registry value "AfscredsShortcutParams" in
{HKCU,HKLM}SOFTWARE\OpenAFS\Client
determines the command line parameters to be specified when "fixing"
the AFS Shortcut in the user's startup folder.
* The "ShowTrayIcon" registry value has been moved from
HKLM\Software\TransarcCorporation\AFS Client\AfsCreds to
{HKCU,HKLM}SOFTWARE\OpenAFS\Client
* The <cell name> registry values used to store the token expiration
reminders have been moved from
HKLM\Software\TransarcCorporation\AFS Client\AfsCreds to
{HKCU,HKLM}SOFTWARE\OpenAFS\Client\Reminders
* Obtain the Logon User Name from the Explorer key when available
* new text document doc\txt\winnotes\registry.txt lists all registry
values used by OpenAFS (excluding the AFS Server)
* BUG: rx_securityClass objects were not properly reference
counted and were never freed.
* BUG: reduce the number of conditions under which CM_ERROR_TIMEOUT
would be generated. The existence of a server does not imply
that it is not down. If all of the servers for a cell are down
return CM_ERROR_NOSUCHVOLUME instead. This prevents the Explorer
Shell from hanging.
* BUG: the directory name lookup cache failed to free the entries
in the cache when the name cache entries cycled. The entries
in the cache would become dereferenced without being freed.
* BUG: fs setserverprefs could be executed without Administrator
privileges
* BUG: the number of allocated NCB objects (100) exceeded the number
which could actually be waited upon by the kernel (64). Any objects
which were utilized above the limit could never have event completions
detected.
* BUG: smb_username_t objects were not being reference counted and
were not properly freed.
* BUG: smb_tid_t objects could under unusual circumstances be freed
before they were no longer referenced.
* BUG: smb_fid_t object pointer were frequently used even when
their value could be NULL. They were not properly released and
therefore they were never freed.
* BUG: smb_packet_t data structures were not completely initialized
upon creation
* BUG: when Rx produces a CM_ERROR_NOIPC error do not return "Access
Denied" because that causes the Explorer Shell to try again until
access is obtained. Instead return "Remote Resources" which allows
the shell to move on and treat the error as transient.
* BUG: when initializing the NCBreturns structure, separate Event objects
were created for each NCB although a single Event object was supposed
to be shared by all.
* BUG: smb_dirSearch_t objects were not being properly referenced counted
or freed.
* BUG: smb_tran2Packet_t objects were not being properly referenced
counted or freed.
* BUG: directory path creation did not handle the case of multiple
directories requiring creation in one attempt
* BUG: SMB requests which required an Extended Response were ignored.
This prevented some files from being written to AFS volumes.
* BUG: character strings were being freed even after they were
inserted into in use data structures
* BUG: inconsistent usernames were used when High Security mode was
enabled. (there is still much to do in this area)
* BUG: pioctl() calls which require out of band RPC operations were
susceptible to race conditions when performed by multiple processes
* BUG: memory allocation and deallocation crossed instances of the
C Runtime Library producing memory leakage and corruption in
afscreds and the client configurator.
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