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* cifs: Switch to generic xattr handlersAndreas Gruenbacher2016-04-231-1/+2
| | | | | | | | | | | | | | | Use xattr handlers for resolving attribute names. The amount of setup code required on cifs is nontrivial, so use the same get and set functions for all handlers, with switch statements for the different types of attributes in them. The set_EA handler can handle NULL values, so we don't need a separate removexattr function anymore. Remove the cifs_dbg statements related to xattr name resolution; they don't add much. Don't build xattr.o when CONFIG_CIFS_XATTR is not defined. Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* cifs: add new case-insensitive conversion routines that are based on wchar_t'sJeff Layton2013-09-081-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | The existing NLS case conversion routines do not appropriately handle the (now common) case where the local host is using UTF8. This is because nls_utf8 has no support at all for converting a utf8 string between cases and the NLS infrastructure in general cannot handle a multibyte input character. In any case, what we really need for cifs is to emulate how we expect the server to convert the character to upper or lowercase. Thus, even if we had routines that could handle utf8 case conversion, we likely would end up with the wrong result if the name ends up being in the upper planes. This patch adds a new scheme for doing unicode case conversion. The case conversion tables that Microsoft has published for Windows 8 have been converted to a set of lookup tables, and a routine is added to convert a wchar_t from lower to uppercase using those tables. Reported-and-Tested-by: Jan-Marek Glogowski <glogow@fbihome.de> Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Add open/close file support for SMB2Pavel Shilovsky2012-09-251-1/+1
| | | | | Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Query SMB2 inode infoPavel Shilovsky2012-07-241-1/+1
| | | | | Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Add capability to send SMB2 negotiate messagePavel Shilovsky2012-07-241-1/+2
| | | | | | | | | and add negotiate request type to let set_credits know that we are only on negotiate stage and no need to make a decision about disabling echos and oplocks. Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Make demultiplex_thread work with SMB2 codePavel Shilovsky2012-07-241-1/+1
| | | | | | | | Now we can process SMB2 messages: check message, get message id and wakeup awaiting routines. Signed-off-by: Pavel Shilovsky <piastryyy@gmail.com> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Make transport routines work with SMB2Pavel Shilovsky2012-07-241-1/+1
| | | | | | Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Map SMB2 status codes to POSIX errorsSteve French2012-07-241-1/+1
| | | | | | | | | | | | Add mapping table for 32 bit SMB2 status codes to linux errors. Note that SMB2 does not use DOS/OS2 errors (ever) so mapping to DOS/OS2 errors as a common network subset (as we do for cifs) doesn't help. And note that the set of status codes is much more complete here. Signed-off-by: Steve French <sfrench@us.ibm.com> Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru> Signed-off-by: Steve French <smfrench@gmail.com>
* CIFS: Introduce SMB2 mounts as vers=2.1Steve French2012-05-231-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | As with Linux nfs client, which uses "nfsvers=" or "vers=" to indicate which protocol to use for mount, specifying "vers=2.1" will force an SMB2 mount. When vers is not specified CIFS is used "vers=1" We can eventually autonegotiate down from SMB2 to CIFS when SMB2 is stable enough to make it the default, but this is for the future. At that time we could also implement a "maxprotocol" mount option as smbclient and Samba have today, but that would be premature until SMB2 is stable. Intially the SMB2 Kconfig option will depend on "BROKEN" until the merge is complete, and then be "EXPERIMENTAL" When it is no longer experimental we can consider changing the default protocol to attempt first. Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru> Signed-off-by: Jeff Layton <jlayton@redhat.com> Acked-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* cifs: add a smb_version_operations/values structures and a smb_version enumJeff Layton2012-05-171-1/+1
| | | | | | | | | | | We need a way to dispatch different operations for different versions. Behold the smb_version_operations/values structures. For now, those structures just hold the version enum value and nothing uses them. Eventually, we'll expand them to cover other operations/values as we change the callers to dispatch from here. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru>
* [CIFS] Use ecb des kernel crypto APIs instead ofSteve French2011-05-191-1/+1
| | | | | | | | | | | | | | | | | | | local cifs functions (repost) Using kernel crypto APIs for DES encryption during LM and NT hash generation instead of local functions within cifs. Source file smbdes.c is deleted sans four functions, one of which uses ecb des functionality provided by kernel crypto APIs. Remove function SMBOWFencrypt. Add return codes to various functions such as calc_lanman_hash, SMBencrypt, and SMBNTencrypt. Includes fix noticed by Dan Carpenter. Signed-off-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com> CC: Dan Carpenter <error27@gmail.com> Acked-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* cifs: More crypto cleanup (try #2)Shirish Pargaonkar2011-01-271-1/+1
| | | | | | | | | | | | | | | Replaced md4 hashing function local to cifs module with kernel crypto APIs. As a result, md4 hashing function and its supporting functions in file md4.c are not needed anymore. Cleaned up function declarations, removed forward function declarations, and removed a header file that is being deleted from being included. Verified that sec=ntlm/i, sec=ntlmv2/i, and sec=ntlmssp/i work correctly. Signed-off-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com> Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] Replace cifs md5 hashing functions with kernel crypto APIsSteve French2011-01-251-1/+1
| | | | | | | | | | Replace remaining use of md5 hash functions local to cifs module with kernel crypto APIs. Remove header and source file containing those local functions. Signed-off-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com> Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* cifs: fix use of CONFIG_CIFS_ACLJeff Layton2010-12-061-1/+3
| | | | | | | | | | | | | | Some of the code under CONFIG_CIFS_ACL is dependent upon code under CONFIG_CIFS_EXPERIMENTAL, but the Kconfig options don't reflect that dependency. Move more of the ACL code out from under CONFIG_CIFS_EXPERIMENTAL and under CONFIG_CIFS_ACL. Also move find_readable_file out from other any sort of Kconfig option and make it a function normally compiled in. Reported-and-Acked-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* cifs: define server-level cache index objects and register themSuresh Jayaraman2010-08-021-1/+1
| | | | | | | | | | | | Define server-level cache index objects (as managed by TCP_ServerInfo structs) and register then with FS-Cache. Each server object is created in the CIFS top-level index object and is itself an index into which superblock-level objects are inserted. The server objects are now keyed by {IPaddress,family,port} tuple. Signed-off-by: Suresh Jayaraman <sjayaraman@suse.de> Signed-off-by: Steve French <sfrench@us.ibm.com>
* cifs: register CIFS for cachingSuresh Jayaraman2010-08-021-0/+2
| | | | | | | | | Define CIFS for FS-Cache and register for caching. Upon registration the top-level index object cookie will be stuck to the netfs definition by FS-Cache. Signed-off-by: Suresh Jayaraman <sjayaraman@suse.de> Signed-off-by: Steve French <sfrench@us.ibm.com>
* kill ->dir_notify()Al Viro2009-01-011-1/+1
| | | | | | | | | | | Remove the hopelessly misguided ->dir_notify(). The only instance (cifs) has been broken by design from the very beginning; the objects it creates are never destroyed, keep references to struct file they can outlive, nothing that could possibly evict them exists on close(2) path *and* no locking whatsoever is done to prevent races with close(), should the previous, er, deficiencies someday be dealt with. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* [CIFS] DFS support: provide shrinkable mountsIgor Mammedov2008-01-251-1/+1
| | | | | Signed-off-by: Igor Mammedov <niallain@gmail.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] DNS name resolution helper upcall for cifsSteve French2008-01-091-0/+2
| | | | | | | | | | | | Adds additional option CIFS_DFS_UPCALL to fs/Kconfig for enabling DFS support. Resolved IP address is saved as a string in the key payload. Igor has a series of related patches that will follow which finish up CIFS DFS support Acked-by: Igor Mammedov <niallain@gmail.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] implement upcalls for SPNEGO blob via keyctl APIJeff Layton2007-11-031-1/+6
| | | | | | | | | | | | | | | Add routines to handle upcalls to userspace via keyctl for the purpose of getting a SPNEGO blob for a particular uid and server combination. Clean up the Makefile a bit and set it up to only compile cifs_spnego if CONFIG_CIFS_UPCALL is set. Also change CONFIG_CIFS_UPCALL to depend on CONFIG_KEYS rather than CONFIG_CONNECTOR. cifs_spnego.h defines the communications between kernel and userspace and is intended to be shared with userspace programs. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] move cifs acl code to new file and fix build breakSteve French2007-09-251-1/+1
| | | | Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] cifs export operationsSteve French2007-02-271-1/+1
| | | | | | | | | | | For nfsd to work over cifs mounts (which presumably makes sense when trying to reexport mounts to windows, network appliances or Samba servers to nfs clients via nfs server). This is the first stage of that enablement, marked experimental and turned off by default. Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] Support for setting up SMB sessions to legacy lanman serversSteve French2006-06-011-1/+1
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* [CIFS] SessionSetup cleanup part 2Steve French2006-02-141-1/+1
| | | | | | | | | | | | | The cifs session setup code has three cases, and a fourth for backlevel LANMAN2 style session setup needed to be added. This new session setup implmentation will eventually replace the other three and should be easier to read while fixing a few minor problems (not setting the LARGE READ/WRITEX flags when NTLMSSP was negotiated for example) and adding support for NTLMv2 (which will be added with the next patch. In the meantime, this code is marked in an CONFIG_CIFS_EXPERIMENTAL block and will not be turned on by default until it is tested against more server types. Signed-off-by: Steve French <sfrench@us.ibm.com>
* Linux-2.6.12-rc2v2.6.12-rc2Linus Torvalds2005-04-171-0/+6
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!