2 * Correct deadlock condition in cm_EndCallbackGrantingCall which can
3 be triggered if the volume referenced by the cm_scache_t object is
6 * The AFS Service needs to respond to SERVICE_ACCEPT_SHUTDOWN messages
7 in addition to SERVICE_ACCEPT_STOP.
9 * Move RPC shutdown until after the SMB and RX shutdown procedures
10 complete. Block until RPC shutdown is complete.
12 * Modify afslogon.dll (integrated logon) to wait for service if its
13 state is START_PENDING. If the timeout period occurs, reset to
14 the retry interval and not the sleep interval.
16 * When renewing the server list for a cell obtained via DNS AFSDB
17 records, the cm_cell_t entry must be removed from the list of all
18 cells. Otherwise, the list of cells will be corrupted.
20 * In the dcache and scache modules, use the cm_scache_t dataVersion
21 instead of the cm_fakeDirVersion.
23 * Synchronize fs.c with the unix version.
25 * The variable used to determine whether a file or virtual memory
26 mapped cache is used was not properly initialized to a default
27 value. If the registry setting "NonPersistentCaching" was not
28 set, the choice would be random. Properly initialized to be
31 * The memory mapped view was never unmapped before closing the file
32 at service shutdown. This is now properly cleaned up.
34 * Default location of Cache file is now %TEMP%\AFSCache
38 * A bug affecting new installations of 1.3.75/76 would result in
39 the creating of incorrect mountpoints in the freelance root.afs
40 volume for the default cell.
42 If "fs \\afs\all\<cellname>" lists a volume name of "root" instead
43 of "root.cell", you have been affected by the bug. To correct the
44 problem, execute the following commands:
46 fs rmmount \\afs\all\<cellname>
47 fs rmmount \\afs\all\.<cellname>
49 fs mkmount \\afs\all\<cellname> root.cell <cellname>
50 fs mkmount \\afs\all\.<cellname> root.cell <cellname> -rw
54 * A bug has been fixed in the auto-generation of Freelance root.afs
55 symlinks which produced random entries in the \\AFS\all directory.
57 * Support has been added for multi-homed servers
60 * Added a new registry value, "StoreAnsiFilenames", which can be used
61 to force the use of ANSI character sets instead of OEM Code Pages.
62 This feature is useful when users require the ability to create
63 filenames with 8-bit characters and need to access the files from
64 both Latin-1 based Unix systems as well as from Windows.
66 Activation of this feature will prevent access to files stored with
69 * Shutdown all SMB threads in a synchronized manner when stopping the
72 * There is currently a maximum cache size of 1.3GB. The limit is imposed
73 by the largest contiguous block of unused memory within the 2GB process
74 space which can be assigned to the memory mapped file. Unfortunately,
75 when the executable digital signature verification code is activated
76 Windows sees fit to further segment the process memory which in turn
77 reduces the size of the maximum cache file to less then 800MB. If
78 larger cache sizes are desired, a new registry value should be set:
80 HKLM\SOFTWARE\OpenAFS\Client (DWORD) "VerifyServiceSignature" = 0x0
82 Setting this value will disable the runtime verification of digital
83 signatures on afsd_service.exe and the afs dlls which it loads. It
84 will not disable the the version number check on those same files.
85 The signature verification is not a security messure and is only meant
86 to enhance the ability to afsd_service.exe to detect potential
87 destablizing mixtures of DLLs from incompatible distributions.
89 Added code to auto-disable the signature verification check if
90 the desired cache size is greater then 700MB.
92 * Windows' WinTrustVerify(WIN_SPUB_ACTION_PUBLISHED_SOFTWARE) is
93 used to verify the validity of the afsd_service.exe binary
94 as well as each of the AFS DLLs loaded by the service. Not only
95 must the digital signature be valid but the signatures of the
96 DLL must be signed by the same entity as the service.
98 * Implement new functions: cm_freelanceMountPointExists and
99 cm_freelanceSymlinkExists. Use them along with other validity
100 checks in cm_freelanceAddMount and cm_freelanceAddSymlink to
101 ensure that name collisions do not occur and that empty strings
102 are not valid file names.
104 A symlink may not have a name which would resolve to a valid
105 cell name. Doing so would prevent access to the cell.
107 * Add missing cm_HoldSCacheNoLock call to Freelance mount point
108 re-initialization code. The reference counts of the fake root.afs
109 volume scache object(s) would become invalid when the mount point
110 or symlink lists were altered.
112 * Add registry entries to provide mappings from the afsdsbmt.ini
113 to the new locations for applications which count on the use
114 of the old Profile file APIs. These apps are likely to fail
115 if the user does not have administrator privileges and the
116 registry is locked down.
118 * The afs_config.exe submounts dialog had two errors.
119 First, attempts to remove entries failed because the registry
120 key was being opened without KEY_WRITE privileges.
121 Second, when editing a submount entry, changing the name
122 would add a new key and leave the original one in place.
123 Now the original submount will be removed if its name is
126 * In recent months there have been several incidents in which
127 users have experienced problems starting or accessing
128 afsd_service.exe and after significant effort has been spent
129 it has turned out that they have two versions of AFS on the
130 machine or an inconsistent set of DLLs.
132 Code has now been added to afsd_service.exe which will walk
133 the list of modules loaded by afsd_service.exe and validate
134 that the version of the AFS DLLs matches the version of the
135 afsd_service.exe executable. If they do not match the service
138 * When Freelance mode is enabled and there is no registry
139 key HKLM\SOFTWARE\OpenAFS\Client\Freelance, afsd_service.exe
140 will attempt to import the afs_freelance.ini file contents.
141 If the file does not exist, it was creating a dummy file
142 with a r/o and r/w entry for the default cell and then
143 importing those values.
145 This process has been changed. The temporary file is no
146 longer created. Also, both the OpenAFS Client install
147 directory as well as %WINDIR% are checked for previous
148 afs_freelance.ini files.
150 * Added support for VL_GetEntryByNameN(). Still need to add
151 support for VL_GetEntryByNameU() for multi-homed support.
153 * Fix a deadlock situation in afscreds.exe when canceling an
154 auto-generated Obtain Tokens dialog
157 * Fix the locking of objects during Directory Searches in the
158 SMB/CIFS server. The failure to properly lock the reference
159 counts was resulting in the premature freeing of smb_dirSearch_t
160 objects while they were still in use by the SMB/CIFS client.
161 This does not solve the "Invalid Handle" problem.
163 * Fix Find Cell By Name pioctl call to return a valid cell
164 name for the Freelance fake root.afs volume.
165 "Freelance.Local.Root".
167 * Fix the Explorer Shell Extension Symlinks->Add operation.
168 The dialog template was missing and the link destination
169 string was too short.
171 * Add support for symlinks to Freelance root.afs volume
172 Stored at HKLM\SOFTWARE\OpenAFS\Client\Freelance\Symlinks
173 <number> = "<linkname>:<relative-path>."
174 Use symlink.exe to create, list, or remove
176 * Remove the fallback to the use of KFW's KRB4 library when obtaining
177 tokens. We never obtain KRB4 tickets.
179 * Fix AFS Client Configuration Control Panel to support new SysName
182 * Fix a bug in afsd_service.exe which could result in the SysName
183 not being read from the registry.
186 * Add code to block the issuance of AFS tokens by aklog.exe or
187 afscreds.exe when the Kerberos 5 principal name contains a dot.
189 * Modify the IsAdmin() function to always treat the local SYSTEM
190 account as an AFS client administrator. Affects fs.exe and
193 * Modify the internal handling of Quota Exceeded errors
195 * Upgrade all reference count fields in the Windows cache manager
196 and the osi library to use unsigned long instead of signed short.
197 A similar fix has been applied to the afs rpc (rx) library.
199 * fix the Windows cache manager to prevent it from replacing the
200 rx_connection object associated with the cm_conn_t object on each
201 and every operation if "fs crypt" was set. This explains the
202 dramatic performance difference when crypt is used vs clear.
203 The problem: 'cryptall', a boolean flag indicating whether or not
204 "fs crypt" is set, was being compared to the rx_connection
205 cryptlevel which is either rxkad_clear:0 or rxkad_crypt:2.
206 1 != 2 and therefore the rx_connection was always destroyed
207 and replaced on each and every operation.
209 Lock the cm_conn_t object around every call to RXAFS_xxxx functions.
210 It is not safe for the cm_conn_t object to not be locked because
211 rx_DestroyConnection might be called from another thread if:
212 - the user's tokens have changed or expired
213 - the crypt mode has changed
215 This fix appears to have also taken care of the problems associated
216 with Overlapped Writes resulting in Delayed Write errors.
218 * fix NSIS installer's AdminGroup.exe to properly create and
219 remove groups when given -create or -remove. The string comparison
222 * fs sysname now accepts a list of sysname values
224 * added a new registry value HKLM\SOFTWARE\OpenAFS\Client "IoctlDebug"
225 DWORD which when set to a non-zero value will cause error message
226 text to be output to stderr from the pioctl() routine. Useful in
227 debugging failures of fs.exe, tokens.exe, etc.
229 * added a test to the power management code to only perform a
230 flush operation if there is at least one network adapter which
231 is not a loopback adapter.
233 * Fix bug in loading of registry value HKLM\SOFTWARE\OpenAFS\Client
234 "EnableKFW". This value will not be read if the key
235 HKCU\SOFTWARE\OpenAFS\Client exists; even if the "EnableKFW"
236 value under that key does not.
238 * provide mechanisms to force the use of krb524d for Kerberos 5
239 ticket to AFS token conversion. For afslogon.dll and afscreds.exe
240 there is a new registry value "Use524" and for aklog.exe a new
241 command line parameter "-m".
243 * Fix the pattern matching algorithm to properly match patterns
246 * smb_ReceiveCoreRename() was factored to produce smb_Rename()
247 which is used by both the original function and the new
248 smb_ReceiveNTRename(). smb_ReceiveNTRename() supports the
249 creation of HardLinks in addition to Renaming. smb_Link()
250 is a new function which creates HardLinks via cm_Link().
251 cm_Link() is a new vnodeops function which creates links
254 smb_ReceiveNTRename() does not support the File Copy and
255 Move Cluster Information operations described in its interface.
256 ReceiveNTRename is under documented in CIFS-TR-1p00_FINAL.pdf.
258 * When opening files via symlinks, we should follow the symlinks
259 until we reach the actual file stat cache entry. The stat cache
260 entry of the file should then be stored in the FID instead of
261 stat scache entry of the symlink.
263 * return bad operation errors for all unimplemented functions
264 even if we do not know the functions exist.
266 * Log bad packets and unknown operation packets to the trace log
268 * Map CM_ERROR_BADOP to STATUS_NOT_SUPPORTED instead of
271 * Update list of known CIFS operations to include all those listed
272 in CIFS-TR-1p00_FINAL.pdf.
274 * Modify the handling of HKLM\SOFTWARE\OpenAFS\Client\Submounts
275 to support the REG_EXPAND_SZ type.
278 * A new Windows authorization group "AFS Client Admins" is now
279 created and populated with the members of the "Administrators"
280 group. The group is used to determine which accounts on the
281 machine may be used to modify the AFS Client Configuration via
282 the UI and command line tools. afs_config.exe, fs.exe,
284 * Modify the WinLogon Logoff Event Handler to query NT4 domain
285 controllers for the remote profile path if Active Directory
286 services are not available.
288 * Fix aklog.exe to not add the AFS ID to the username
290 * PTS registration of new users to foreign cells has been added to
293 * The cm_Daemon thread is used to perform checks for
294 down servers, up servers, volumes, callback expirations,
295 lock maintenance and token expiration. Due to a gaff in
296 larger integer division the thread never performed any
297 work. Instead the current time computation would always
298 be less then the trigger times. This had an adverse affect
299 on the client's ability to maintain communication with servers,
300 keep volumes up to date, and flush user tokens and acls
301 when they have expired. This was broken when the 1.3 branch
302 was modified to support VC7 which no longer included
305 * An initialization problem with the Freelance code was
306 detected while fixing the callbackRequest. The cm_rootSCachep
307 object is obtained during afsd_InitDaemons() but the callback
308 information is incomplete. The callback information will not
309 be obtained until cm_MergeStatus is called from within
310 cm_GetCallback. Unfortunately, cm_SyncOp did not properly
311 test for the conditions under which the callback information
314 * Reports have been filed indicating that callbacks were
315 being lost. An examination of the code indicated that the
316 cm_server_t objects were not being properly reference
317 counted by the cm_scache_t and cm_callbackRequest_t objects.
318 In particular, the cm_server_t objects may have been freed
319 from beneath the cm_conn_t objects.
321 All of the reference counting is now done via the functions:
326 this improves the ability to track the referrals.
328 Each cm_BeginCallbackGranting Call now allocates a reference
329 to the cm_server_t. The cm_EndCallbackGrantingCall either
330 frees the reference or transfers it to the cm_scache_t
331 cbServerp field. These are then appropriately tracked
332 through the cm_Analyze call.
334 * Ensure that the dnlc hash table is the same size as the
335 dir name hash table (as per original author's note).
336 Increase the dnlc CM_AFSNCNAMESIZE to a multiple of 8
337 for compatibility with 64-bit systems.
339 * fix smb_ApplyV3DirListPatches to properly apply the hidden
340 attribute to dotfiles when the infoLevel < 0x101 and
341 cm_SyncOp has failed.
343 * Fix the Freelance registry initialization code. There
344 was a possibility that some systems could end up with
345 garbage in the registry during a clean install.
348 * file and directory names beginning with "." will now be given the
349 hidden attribute when the volume access is anonymous. this matches
350 the behavior when the volume access is via an authenticated user.
352 * Added a change monitor to the HKLM\SOFTWARE\OpenAFS\Client\Freelance
353 key. When a change occurs mark the root.afs data as invalid and
354 for it to be reloaded on the next access. This allows administrators
355 to modify the mount point list without restarting the service.
357 The freelance client used to provide a fake modification time for
358 the root.afs volume data and its mount points of 7/09/2001 14:24 EDT.
359 Added code to extract the last modification time of the Freelance
360 registry key and use that instead. The time now represents the
361 most recent mount point change.
363 * PTS registration of new users to foreign cells has been added to
366 * Additional Cache Control and Credential Manager options have been
367 added to the WiX installer. See deployment guide for details.
369 * The CachePath setting is now optionally a REG_EXPAND_SZ type
371 * The WiX installer has been upgraded. Version 2.0.1927.1 is now
374 * The loopback installation code may have had a problem updating the
375 %ETC%\HOSTS file which could have resulted in a premature failure.
376 Work around code has been added for the case where the file cannot
379 * The default max chunksize was increased from 15 (32K) to 17 (128K)
380 because Windows sends 64K blocks when using overlapped writes.
382 * The default number of server threads was increased from 4 to 25 to
383 better handle overlapped writes.
385 * The "AfscredsShortcutParams" registry value was not being properly
386 loaded by afscreds.exe. Therefore, the default value was always being
387 used instead of the value set by the installer.
389 * Windows XP provides downgrade attack detection to prevent an attacker
390 from being able to force the use of NTLM simply by disrupting
391 communication with the KDC. This attack cannot exist between the
392 Windows CIFS client and the AFS Client Service. Therefore, when a
393 downgrade has been detected the afs pioctl library will force the
394 establishment of a new CIFS connection using NTLM.
396 * A locking error was discovered surrounding all references to volume
397 server lists within the cm_cell.c source file.
399 * The logged into Windows username was incorrect on Terminal Server
402 * A new registry value "NonPersistentCaching" was added to the service
403 parameters key. When set to a non-zero value, the afs cache is stored
404 in the Windows paging file. There are two limitations to choosing
406 1. when persistent caching is implemented it won't work with
407 this flag set since there will be nothing to persist.
408 2. with this flag set the initial paging allocation cannot be
409 changed while the service is running
411 * An initialization bug was discovered in aklog.exe which affected users
412 who have a domain name for their afs servers which could not be mapped
416 * afs_config.exe now validates cell names against DNS in addition
417 to the CellServDB file.
419 * In order to allow the freelance client to connect to a volume with ID
420 equal to 1 on the default cell we changed the fake root.afs volume ID
421 once again. This time we choose 0xFFFFFFFF. In addition, we change
422 the cell ID of the fake root.afs volume from 1 to 0xFFFFFFFF as well.
423 It will now be impossible for a volume ID to match that of another
424 cell unless the client is connected to 0xFFFFFFFD cells. That should
425 be enough room for growth.
427 * Fix "fs mkmount" command to work with UNC paths and when
428 started from non-AFS drives. It is now possible to create a mount
429 point in the freelance fake root.afs volume with the command
431 fs mkmount \\AFS\all\<directory-name> <volume-name> <cellname>
435 fs mkmount \\AFS\all\openafs.org root.cell openafs.org
436 fs mkmount \\AFS\all\.openafs.org root.cell openafs.org -rw
438 * The algorithm used to re-attempt access to the servers associated with
439 a volume has been altered to properly address the case in which all
440 servers have been marked down. The previous algorithm did not reset
441 the server's down flags so the servers were never actually retried.
442 This caused a problem with active volumes if the network connectivity
443 was lost as could be the case with a network cable removal, wireless
444 drop, or laptop hibernation. With the fix volume access is restored
445 almost instantenously when network connectivity becomes available.
447 * Support for SMB/CIFS browsing has been added to the AFS Client Service
448 SMB server. It is now possible to use "NET VIEW \\AFS" to obtain a
449 listing of AFS submounts and freelance mount points. Support for
450 NETSHAREENUM, NETSHAREGETINFO, NETSERVERENUM2, NETSERVERGETINFO
451 significantly enhances the behavior of AFS volumes within the Explorer
452 Shell. For instance, "AFS" now shows up as server in the Explorer
453 with each submount or freelance mount point visible as a share.
454 The right click menu in each folder now works with full functionality
455 on a consistent basis.
457 * The network provider can be configured to have different behavior
458 depending on the domain that the user logs into. These settings are
459 only relevant when using integrated login. A domain refers to an
460 Active Directory (AD) domain, a trusted Kerberos (non-AD) realm or the
461 local machine (i.e. local account logins). The domain name that is
462 used for selecting the domain would be the domain that is passed into
463 the NPLogonNotify function of the network provider. (see registry.txt
466 * Added a new registry value [HKCU\SOFTWARE\OpenAFS\Client]
467 "Authentication Cell" which may be used to specify a default
468 authentication cell for afscreds.exe which is different from
469 the default cell for the AFS Client Service daemon.
471 * Added a Logoff WinLogon Event Notification function to afslogon.dll.
472 afslogon.dll moved to %WINDIR%\System32\.
473 New registry entries added to register the dll for Winlogon events.
475 The logoff event will now force a call to ktc_ForgetAllTokens()
476 using the context of the user being logged off as long as the
477 user's profile is not loaded from within AFS. If the profile
478 was loaded from AFS we can't release the tokens since the Logoff
479 event is triggered prior to the profile being written back to
480 the its source location. This is now performed in an XP SP2
483 * Windows XP SP2 Internet Connection Firewall interoperability
486 * The %WINDIR%\afsdsbmt.ini contains four sections:
487 Submounts, Drive Mappings, Active Maps and CSC Policies.
488 The Submounts and CSC policies are now stored in the registry under
489 [HKLM\SOFTWARE\OpenAFS\Client\Submounts]
490 [HKLM\SOFTWARE\OpenAFS\Client\CSCPolicy]
491 The Drive Mappings and Active Maps are stored in the registry under
492 [HKCU\SOFTWARE\OpenAFS\Client\Mappings]
493 [HKCU\SOFTWARE\OpenAFS\Client\Active Maps]
495 There is no automatic migration of this data as it would be impossible
496 to consistently migrate data to user profiles which may not be active
497 when the machine is updated.
499 * The %WINDIR%\afs_freelance.ini contains lists of mountpoints for the
500 fake root.afs volume. For the same reasons as for the cellservdb file,
501 this information should not be in %WINDIR%. This information is now
502 kept under the registry key
503 [HKLM\SOFTWARE\OpenAFS\Client\Freelance]
505 The data from the afs_freelance.ini file will be automatically
506 migrated to the registry on first execution of afsd_service.exe
508 * Keeping the CellServDB file in the location %WINDIR%\afsdcell.ini is
509 troublesome for several reasons. One, it is confusing for those who
510 expect the file to be named "CellServDB" instead of "afsdcell.ini".
511 Two, this file is not a Windows Profile formatted file. Three,
512 applications should not be reading or writing to %WINDIR%. It causes
513 problems for Windows Terminal Server.
515 The new location of CellServDB will be the OpenAFS Client install
516 directory which is by default C:\Program Files\OpenAFS\Client and can
517 be determined by querying the registry for
518 [HKLM\SOFTWARE\TransarcCorporation\AFS Client\CurrentVersion]PathName
520 The existing afsdcell.ini will be migrated by the NSIS installer.
521 The Wix installer must still be updated to do the same.
523 * Change NSIS installer to use DNS by default; to remove Integrated Logon
524 High Security mode; and to add Terminal Services compatibility registry
525 entries to allow the OpenAFS tools to find the afsdcell.ini and other
526 configuration files in %WINDIR%.
528 * Add support for authenticated SMB connections. This will remove
529 the need for high security mode in most situations. Both NTLM
530 and Extended Security (GSS SPNEGO) modes are supported. Effectively,
531 only NTLM can be used even though Kerberos is now supported. The
532 reason is that it is not possible to construct a service principal
533 which is unique to each individual machine.
535 SMB Extended Auth does not work on XP SP2 unless one of two registry
536 modifications are made:
538 (1) To disable the check for matching host names on loopback connections
539 set this key. This does not require a reboot:
541 [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa]
542 "DisableLoopbackCheck"=dword:00000001
544 (2) To add the AFS SMB/CIFS service name to an approved list. This
545 does require a reboot:
547 [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa\MSV1_0]
548 "BackConnectionHostNames"=multi-sz "AFS" "MACHINE-AFS"
550 afsd_service.exe will automatically add the current Netbios Name
551 to the BackConnectionHostNames list and then temporarily disable
552 the loopback check for one cycle of startup/shutdown of the service.
553 We assume most folks do not start/stop without a reboot so this
554 will be adequate in most cases.
556 * Fix security hole in afslogon.dll which allowed passwords to be
557 sent in clear text to the KDC in a misformed principal name.
559 * Fix cm_GetCell() to properly handle expired dns entries
562 * If Freelance mode is active and the afs_freelance.ini
563 file does not exist, do not create an empty file.
564 Instead create a file containing ro and rw mountpoints
565 to the default cell using the standard conventions.
567 * Modify the Freelance support to handle the ability
568 to create rw mount points in the fake root.afs volume.
570 * Changed the RPC mechanism used for token setting from
571 named pipes to local. Use of named pipes can be restored
572 by setting the environment variable AFS_RPC_PROTSEQ to
575 Named pipes were required when a Windows 9x system was
576 using a NT system in gateway mode which is incompatible
577 with our use of local loopback adapters.
579 * In afscreds.exe, if a username of the form user@REALM is
580 specified and no password is specified, do not perform a
581 kinit operation. Only perform the aklog functionality.
583 * Add a new registry value which allows the number of processors
584 on which afsd_service.exe executes to be restricted. Valid
585 values are 1..numOfProcessors
587 HKLM\SYSTEM\CurrentControlSet\Services\TransarcAfsDaemon\Parameters
591 * A second MSI based installer option is now available.
593 * Fixed Kerberos 5 kinit functionality in afscreds.exe to properly
594 request tickets for user/instance@REALM instead of just user@REALM
596 * Modify the Power Management Notify routine to wait for the Hard Dead
597 timeout period instead of a fixed 19 seconds. With the longer timeout
598 periods Hibernation and Standby could never succeed when network
599 connectivity is not available.
601 * The following fs.exe commands are now restricted to Administrator:
602 - checkservers with a non-zero timer value
605 - sysname with a new sysname list
614 setting the default sysname for a machine should be done via the
615 registry and not via "fs sysname".
617 * NSIS installer adds options to install Debugging Symbols
618 and the Microsoft Loopback Adapter; the user is now also
619 given the ability to select the afscreds.exe startup options.
621 * Build system modified to generate symbols for FREE (aka RELEASE)
622 builds as well as CHECKED (aka DEBUG) builds
624 * Sites which have a volume ID of 0x20000001 assigned to their
625 root.cell volumes have been experiencing problems with accessing
626 the root.cell volume of their cell when Freelance mode has been
627 active. This was because 0x20000001 was assigned to the fake
628 root.afs volume created by freelance. The fake volume id is
629 now set to 0x00000001 to prevent conflicts.
631 * The timeout logic in the AFS Client Service has been wrong
632 for sometime. It is based on two different assumptions.
633 First, the SMB client timeout is a fix value as was the case
634 with OS/2 Lan Manager. This assumption is incorrect. The
635 SMB timeout in Windows is a dynamic value computed based upon
636 a fixed minimum timeout to which is added time based upon the
637 size of the request and the performance characteristics of
638 the connection. Second, it is the responsibility of the
639 SMB Server to enforce the timeout requirements of the client.
640 This is untrue. The SMB Server cannot be expected to know
641 the requirements of the client. More importantly, if the
642 SMB server uses the SMB client timeout as a value to restrict
643 its behavior as an RX client, the performance characteristics
644 of the local SMB session would be used to prematurely terminate
645 WAN connections with significantly different performance
648 The timeout logic has therefore been modified in the following
650 . the Lan Manager Workstation (SMB) Session Timeout is used only
651 as a basis for configuring the Connection Dead Timeout
652 and Hard Dead Timeout values. The Connection Dead Timeout
653 must be at least 15 seconds longer than the SMB Timeout
654 and the Hard Dead Timeout must be at least double the
655 Connection Dead Timeout.
656 . New registry entries have been added to allow the Connection
657 Dead Timeout and Hard Dead Timeout values independent of the
658 Lan Manager Workstation Session Timeout
659 . The test to enforce the SMB Client Timeout has been removed.
661 One of the side-effects of removing the enforcement of the SMB
662 Client Timeout is that regardless of whether or not the SMB client
663 is available to receive the response (and how would the SMB server
664 know) the RX protocol response can be used to update the AFS
665 Client Service state for ready access by future SMB client
668 This should be the end of the "Server paused or restarting messages"
670 * Add support for arbitrary UNC paths to the pioctl() support.
671 This enables the fs commands as well as the AFS Shell Extension
672 to work correctly when UNC paths are being used.
674 * Fix afscreds.exe (by updating afskfw.lib) to search for cells via
675 DNS if the cell configuration cannot be determined via CellServDB
677 * Add debug info to test whether CM_BUF_WAITING or CM_SCACHE_WAITING
678 are ever set more than once at a time
680 * Fix the management of lists of cm_cell_t structures when using
681 DNS to lookup cell information. The previous code would fail to
682 reuse the same cellID for a cell if DNS was used more than once
683 for a given cell name. When the ttl expired, a single cm_cell_t
684 could be inserted into the cm_allCellsp list more than once
685 producing a loop. In addition, the vlServerp list belonging to
686 the cell was not freed resulting in improper refCounting of the
689 * Add DNS support to cm_IoctlNewCell() which previous only examined
692 * Add cm_FreeServer() function and call it from cm_FreeServerList()
693 to properly garbage collect cm_server_t objects
695 * Add numVCs variable to smb.c to track the number of smb_vc_t
696 objects created and use it to initialize the vcID field which
697 previously was set to 0 in all objects resulting in FindByID
700 * Fixed DNS lookups to work consistently throughout the OpenAFS
701 product instead of just from within the afsd_service.exe
703 * Added a runtime check to ensure that AFS Client Service SMB
704 Server is accepting connections before attempting to mount
707 * Read IP addresses for volume servers out of the CellServDB
708 file if gethostbyname() on the hostname fails.
710 * Fix getcellconfig() to populate both the Hostnames as well
711 as IP addresses when loading cell data via DNS
713 * Increase the Connection Dead Time to 50 from 20 seconds
714 Increase the Hard Dead Time to 120 from 40 seconds
715 (matches the Unix values)
717 * Fixed an assertion validating the number of allocated NCBs
719 * Fixed the build environment to consistently build for
720 Windows 2000 and above. (APPVER = 5.0)
722 * Fixed rx_debug to properly validate the receipt in incoming
723 data with select() and recvfrom(). Do not copy data out of
724 the socket buffer unless success is indicated.
727 * afsd_service.exe will now display a message box to the
728 desktop when it terminates due to an IP Address Change.
730 * installer no longer deletes AFS Server configuration data
733 * installer generates a warning dialog if the RPC service
734 is not properly configured
736 * installer compressed with lzma instead of bzip2
738 * afsd_service.exe shutdown crash solved once and for all
740 * reference counting of smb_vc_t data structures improved
742 * name space collision of smb_fid_t event objects corrected
744 * the output of "fs memdump" is now written to
745 %WINDIR%\TEMP\afsd_alloc.log
747 * the file TaAfsApp_1033.dll is now properly installed allowing
748 the User Manager to start
750 * a new algorithm is used for computing filename pattern matches
752 * afscreds.exe now accepts user names containing instance
755 * Fix the Directory Name Lookup Cache to be case-sensitive.
756 This is crucial in environments in which a Windows client
757 is accessing a directory with more than one filename that
758 differs only by case. If the directory contains "FOO"
759 and "Foo". You want "DEL Foo" to delete the correct one.
760 We still have a problem in that "DEL foo" will delete a
761 random filename. This will be addressed in a future release.
763 * Fix afscreds.exe -M option (renewMaps) to work when High
764 Security mode is off. Also, remember to disable the ActiveMap
765 flag in afsdsbmt.ini when a drive mapping is removed.
767 * Updates to NSIS installer script. AFS Server configuration
768 data will not be destroyed on un-install or re-install.
769 Use a better compression algorithm.
771 * afslogon.dll now uses KFW to obtain tokens when available
773 * afslogon.dll when given an all uppercase username will
774 attempt to authenticate with both the uppercase name
775 and an all lowercase variation
777 * DST modification removed. The fix appears to make things
778 worse after a reboot of the machine.
780 * fs.exe: added "cscpolicy" which is used to
781 change client side caching policy for AFS shares
783 Usage: fs cscpolicy [-share <AFS share>] [-manual] [-programs]
784 [-documents] [-disable] [-help]
786 * Several uninitialized variables have been initialized
788 * It is now possible to obtain tokens using cross realm
789 Kerberos within afscreds.exe:
791 user: jaltman@ATHENA.MIT.EDU
793 Will obtain a cross realm ticket for jaltman/DEMENTIA.ORG@ATHENA.MIT.EDU
794 will will in turn be used to obtain afs@DEMENTIA.ORG.
795 The resulting token will be stored with the display name
796 jaltman@ATHENA.MIT.EDU@dementia.org
798 * aklog.exe has been added to the client
800 Usage: aklog [-d] [[-cell | -c] cell [-k krb_realm]]
801 [[-p | -path] pathname]
805 -d gives debugging information.
806 krb_realm is the kerberos realm of a cell.
807 pathname is the name of a directory to which you wish to authenticate.
808 -noprdb means don't try to determine AFS ID.
809 -5 or -4 selects whether to use Kerberos V or Kerberos IV.
810 (default is Kerberos V)
811 No commandline arguments means authenticate to the local cell.
814 * All of the resource files have been restructured to adhere to
815 a set of rules IBM implemented for loading string resources.
816 These rules had either been forgotten or were not discovered
817 by folks working on the OpenAFS sources. The end result was
818 memory corruption. This is primary item which was preventing
819 the AFS Server from working.
821 * Increased the size of the maximum ticket size stored in a token
822 from 344 bytes to 12,000. Increased the buffers used to convey
823 messages between the pioctl() caller and the SMB Server from
824 1000 bytes to 12,512. The code appeared to have been writing
825 above the top of the stack by quite a few number of bytes.
826 (The increased ticket size is necessary for the next item.)
828 * When obtaining AFS Tokens via KFW, krb524 is no longer required.
829 Instead the raw Kerberos 5 ticket is used in its entirety. This
830 is extremely important as it allows us to use pure Kerberos 5 KDCs
831 as the source of the AFS authentication. The use of up to 12,000 byte
832 tickets will allow tickets produced by all versions of Microsoft
833 Active Directory to be used.
834 - create a user account.
835 - designate it DES only
837 - specify its UPN to be "afs@realm"
838 - assign a SPN of "afs/cellname" to the UPN with setspn.exe
840 * Do not enforce the funky 8dot3 pattern matching rule that the first "."
841 is special when using long file names. (you must use "*.*" and not "*")
842 Instead only enforce it when performing 8dot3 searches.
844 * Fixed the DST problem with creation times being set one hour ahead
846 * Fixed the problem when using \\afs\cell-alias. For example,
847 \\afs\uncc instead of \\afs\uncc.edu. Do not a new cell struct
848 for the alias name; instead simply expand the name. One of the
849 symptoms of this problem was a loss of acquired tokens.
851 * Fixed the AFS Shell Extension. The Symbolic Link menu was empty
852 of strings. (Only English strings provided.)
854 * Fixed the installer to properly replace in use files.
856 * Fixed the build system to cleanup generated component version files
858 * The release build compiled with MSVC 6.0 compiler to avoid the
859 afsd_service.exe shutdown crash. This does not solve the problem
860 but simply avoids it for the time being.
864 * fix afslogon.dll to not corrupt memory when High Security mode
867 * fix afsd_service.exe to not attempt to restore the stack when
868 an exception occurs. (not safe in multi-threaded programs)
870 * fix uninstaller to properly remove the CRT and MFC DLLs
872 * remove a Message Box from afscreds.exe when getcellconfig()
873 fails on a kerberos realm which is not a cell
875 The following is a list of changes to the OpenAFS for Window client
878 * "fs setserverprefs" will leave afsd service deadlocked
880 * "vos listaddrs" will core dump
882 * installer sets the appropriate keys to support Integrated Logon
884 * installer disables the "Find Lana by Name" functionality as it
885 was causing headaches for many users
887 * fix the intermittent crash of the power management thread when
888 shutting down the AFS Client Service
890 * optimizes the obtain drive mount list functionality which is
891 executed every time the mount tab in afscreds.exe and afs_config.exe
892 are refreshed. (this happens a lot)
894 * fix the service shutdown logic. add the STOP_PENDING state
895 and do not accept additional service events after we declare
898 The following is a list of changes to the OpenAFS for Window client
901 * flexelint was run against the source tree and hundreds (perhaps
902 thousands) of corrections were applied to ensure prototypes
903 were in use; types were used consistently; variables were
904 initialized; unused variables were removed; etc.
906 * A wide variety of instrumentation was added including the
907 ability to produce a stack trace from within afsd_service.exe
910 * Dynamic configuration of the RDRtimeout value based upon the
911 LanMan Workstation Session Timeout
913 * The mount root no longer needs to be called "/afs". This
914 is now set by a registry value "MountRoot" within the key
915 HKLM\SYSTEM\CurrentControlSet\Services\TransarcAFSDaemon\Parameters
917 * The cell list is now only read out of afsdcell.ini when the
918 file changes instead of each time a cell is resolved.
920 * Thread synchronization was added to cm_server.c and ktc_nt.c
922 * All calls to GlobalAlloc()/GlobalFree() were replaced with
923 calloc()/free(). The Global functions were needed on Windows 3.x
924 but have caused a variety of problems on the Win32 platforms.
925 Avoiding them is highly recommended by several Microsoft
926 Knowledgebase articles
928 * Support for Symbolic Links added to the AFS Shell Extension
930 * Added a registry value "OverlayEnabled" to determine if
931 Shell Extension Overlays should be enabled.
932 HKLM\SYSTEM\CurrentControlSet\Services\TransarcAFSDaemon\Parameters
934 * New Build system to support VC6, VC.NET, VC.NET2003 compilers and
935 separate trees for checked and free builds. Build system supports
936 a custom directory src\WINNT\extra which can be used as a grafting
937 location of organization specific additions to the build tree.
939 * New installer built using NSIS 2.0.
941 * Named all kernel objects in order to allow them to be monitored
942 with tools such as SysInternals' ProcExp.exe.
944 * Introduced new EventLog framework for AFSD
946 * Introduced Power Management interface to AFSD for Standby and
947 Hibernate modes to allow cache to be flushed prior to network
950 * Utilize Win32 DNSQuery API instead of internal routines. This
951 allows DNS SRV queries to be sent to all current domain name
952 servers. Not just one specified in an INI file. DNS is now
955 * "NetbiosName" registry value may be used to specify a fixed
956 Netbios Name such as "AFS" to be used instead of "HOSTNAME-AFS"
957 when the loopback adapter is in use. If you need to use the
958 old notation with a loopback adapter installed specify a registry
961 "NetbiosName" REG_EXPAND_SZ = "%COMPUTERNAME%-AFS"
963 * Refactor all modules which depend on LAN Adapter and NetbiosName
964 determination in a new library: lanahelper.lib. This allows for
965 consistent behavior throughout the product.
967 * Move the afsd.log and afsd_init.log files to the directory specified
968 by the "TEMP" environment variable. This is usually %WINDIR%\TEMP
969 for services. Added the Date to the log entries.
971 * New registry value "RxMaxMTU" used to limit the size of the RX
972 packets sent by the AFS Client Service to the Server. In order
973 to enable OpenAFS to work across the Cisco IPSec VPN the packet
974 size must be restricted to 1264 or smaller. The latest NSIS
975 installer sets a value of 1260 by default.
977 * New registry value "RxNoJumbo" to disable the use of Jumbo Rx
978 packets. This is not needed in order to work across the Cisco
979 VPN but might be needed for other network environments. This
980 value is not set by the NSIS installer.
982 * New registry value "HideDotFiles" is used to apply the Hidden
983 attribute to files whose names begin with a '.'. This value
984 is set by the NSIS installer.
986 * New registry value "MaxMpxRequests" allows the maximum number
987 of multiplexed sessions to be configured at run time. This
988 value is not set by the NSIS installer. The default value is
991 * New registry value "MaxVCPerServer" allows the maxmimum number
992 of VCs per server to be configured at run time. This value is
993 not set by the NSIS installer. The default value is 100.
995 * New registry value "AllSubmount" allows the "all" submount to
996 be disabled by setting its value to 0x00.
998 * Allow cells names to be valid mount points
999 \\<netbiosName>\<cellname>
1001 * Store the active state of drive mappings in order for afscreds.exe
1002 to restore them upon startup
1004 * Add exception handling to generate a Stack Trace to the afsd_init.log
1005 file if one happens to occur.
1007 * Add lots of logging to help detect the cause of invalid SMB packets
1009 * Enable Kerberos for Windows to be used to obtain AFS Tokens via
1010 conversion of Kerberos 5 "afs" service tickets. Supports auto-
1011 renewal of expiring tokens as long as afscreds.exe is running.
1013 * New afscreds.exe command line options:
1015 -M = renew drive maps
1016 -N = ip address change detection
1019 * New registry value "EnableKFW" in {HKCU,HKLM}SOFTWARE\OpenAFS\Client
1020 determines whether or not MIT Kerberos for Windows should be used
1021 to obtain tokens via Kerberos 5 tickets.
1023 * New registry value "AfscredsShortcutParams" in
1024 {HKCU,HKLM}SOFTWARE\OpenAFS\Client
1025 determines the command line parameters to be specified when "fixing"
1026 the AFS Shortcut in the user's startup folder.
1028 * The "ShowTrayIcon" registry value has been moved from
1029 HKLM\Software\TransarcCorporation\AFS Client\AfsCreds to
1030 {HKCU,HKLM}SOFTWARE\OpenAFS\Client
1032 * The <cell name> registry values used to store the token expiration
1033 reminders have been moved from
1034 HKLM\Software\TransarcCorporation\AFS Client\AfsCreds to
1035 {HKCU,HKLM}SOFTWARE\OpenAFS\Client\Reminders
1037 * Obtain the Logon User Name from the Explorer key when available
1039 * new text document doc\txt\winnotes\registry.txt lists all registry
1040 values used by OpenAFS (excluding the AFS Server)
1042 * BUG: rx_securityClass objects were not properly reference
1043 counted and were never freed.
1045 * BUG: reduce the number of conditions under which CM_ERROR_TIMEOUT
1046 would be generated. The existence of a server does not imply
1047 that it is not down. If all of the servers for a cell are down
1048 return CM_ERROR_NOSUCHVOLUME instead. This prevents the Explorer
1051 * BUG: the directory name lookup cache failed to free the entries
1052 in the cache when the name cache entries cycled. The entries
1053 in the cache would become dereferenced without being freed.
1055 * BUG: fs setserverprefs could be executed without Administrator
1058 * BUG: the number of allocated NCB objects (100) exceeded the number
1059 which could actually be waited upon by the kernel (64). Any objects
1060 which were utilized above the limit could never have event completions
1063 * BUG: smb_username_t objects were not being reference counted and
1064 were not properly freed.
1066 * BUG: smb_tid_t objects could under unusual circumstances be freed
1067 before they were no longer referenced.
1069 * BUG: smb_fid_t object pointer were frequently used even when
1070 their value could be NULL. They were not properly released and
1071 therefore they were never freed.
1073 * BUG: smb_packet_t data structures were not completely initialized
1076 * BUG: when Rx produces a CM_ERROR_NOIPC error do not return "Access
1077 Denied" because that causes the Explorer Shell to try again until
1078 access is obtained. Instead return "Remote Resources" which allows
1079 the shell to move on and treat the error as transient.
1081 * BUG: when initializing the NCBreturns structure, separate Event objects
1082 were created for each NCB although a single Event object was supposed
1083 to be shared by all.
1085 * BUG: smb_dirSearch_t objects were not being properly referenced counted
1088 * BUG: smb_tran2Packet_t objects were not being properly referenced
1091 * BUG: directory path creation did not handle the case of multiple
1092 directories requiring creation in one attempt
1094 * BUG: SMB requests which required an Extended Response were ignored.
1095 This prevented some files from being written to AFS volumes.
1097 * BUG: character strings were being freed even after they were
1098 inserted into in use data structures
1100 * BUG: inconsistent usernames were used when High Security mode was
1101 enabled. (there is still much to do in this area)
1103 * BUG: pioctl() calls which require out of band RPC operations were
1104 susceptible to race conditions when performed by multiple processes
1106 * BUG: memory allocation and deallocation crossed instances of the
1107 C Runtime Library producing memory leakage and corruption in
1108 afscreds and the client configurator.