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2019-07-18Merge tag '4.3-rc-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6Linus Torvalds1-12/+6
Pull cifs updates from Steve French: "Fixes (three for stable) and improvements including much faster encryption (SMB3.1.1 GCM)" * tag '4.3-rc-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6: (27 commits) smb3: smbdirect no longer experimental cifs: fix crash in smb2_compound_op()/smb2_set_next_command() cifs: fix crash in cifs_dfs_do_automount cifs: fix parsing of symbolic link error response cifs: refactor and clean up arguments in the reparse point parsing SMB3: query inode number on open via create context smb3: Send netname context during negotiate protocol smb3: do not send compression info by default smb3: add new mount option to retrieve mode from special ACE smb3: Allow query of symlinks stored as reparse points cifs: Fix a race condition with cifs_echo_request cifs: always add credits back for unsolicited PDUs fs: cifs: cifsssmb: Change return type of convert_ace_to_cifs_ace add some missing definitions cifs: fix typo in debug message with struct field ia_valid smb3: minor cleanup of compound_send_recv CIFS: Fix module dependency cifs: simplify code by removing CONFIG_CIFS_ACL ifdef cifs: Fix check for matching with existing mount cifs: Properly handle auto disabling of serverino option ...
2019-07-15smb3: smbdirect no longer experimentalSteve French1-2/+2
clarify Kconfig to indicate that smb direct (SMB3 over RDMA) is no longer experimental. Over the last three releases Long Li has fixed various problems uncovered by xfstesting. Signed-off-by: Steve French <stfrench@microsoft.com> Acked-by: Ronnie Sahlberg <lsahlber@redhat.com>
2019-07-08Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6Linus Torvalds1-1/+1
Pull crypto updates from Herbert Xu: "Here is the crypto update for 5.3: API: - Test shash interface directly in testmgr - cra_driver_name is now mandatory Algorithms: - Replace arc4 crypto_cipher with library helper - Implement 5 way interleave for ECB, CBC and CTR on arm64 - Add xxhash - Add continuous self-test on noise source to drbg - Update jitter RNG Drivers: - Add support for SHA204A random number generator - Add support for 7211 in iproc-rng200 - Fix fuzz test failures in inside-secure - Fix fuzz test failures in talitos - Fix fuzz test failures in qat" * 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (143 commits) crypto: stm32/hash - remove interruptible condition for dma crypto: stm32/hash - Fix hmac issue more than 256 bytes crypto: stm32/crc32 - rename driver file crypto: amcc - remove memset after dma_alloc_coherent crypto: ccp - Switch to SPDX license identifiers crypto: ccp - Validate the the error value used to index error messages crypto: doc - Fix formatting of new crypto engine content crypto: doc - Add parameter documentation crypto: arm64/aes-ce - implement 5 way interleave for ECB, CBC and CTR crypto: arm64/aes-ce - add 5 way interleave routines crypto: talitos - drop icv_ool crypto: talitos - fix hash on SEC1. crypto: talitos - move struct talitos_edesc into talitos.h lib/scatterlist: Fix mapping iterator when sg->offset is greater than PAGE_SIZE crypto/NX: Set receive window credits to max number of CRBs in RxFIFO crypto: asymmetric_keys - select CRYPTO_HASH where needed crypto: serpent - mark __serpent_setkey_sbox noinline crypto: testmgr - dynamically allocate crypto_shash crypto: testmgr - dynamically allocate testvec_config crypto: talitos - eliminate unneeded 'done' functions at build time ...
2019-07-07CIFS: Fix module dependencySteve French1-2/+3
KEYS is required not that CONFIG_CIFS_ACL is always on and the ifdef for it removed. Signed-off-by: Steve French <stfrench@microsoft.com>
2019-07-07cifs: simplify code by removing CONFIG_CIFS_ACL ifdefSteve French1-8/+0
SMB3 ACL support is needed for many use cases now and should not be ifdeffed out, even for SMB1 (CIFS). Remove the CONFIG_CIFS_ACL ifdef so ACL support is always built into cifs.ko Signed-off-by: Steve French <stfrench@microsoft.com>
2019-07-07cifs: add missing GCM module dependencyAurelien Aptel1-0/+1
Signed-off-by: Aurelien Aptel <aaptel@suse.com> Signed-off-by: Steve French <stfrench@microsoft.com>
2019-06-20fs: cifs: switch to RC4 library interfaceArd Biesheuvel1-1/+1
The CIFS code uses the sync skcipher API to invoke the ecb(arc4) skcipher, of which only a single generic C code implementation exists. This means that going through all the trouble of using scatterlists etc buys us very little, and we're better off just invoking the arc4 library directly. This also reverts commit 5f4b55699aaf ("CIFS: Fix BUG() in calc_seckey()"), since it is no longer necessary to allocate sec_key on the heap. Cc: linux-cifs@vger.kernel.org Cc: Steve French <sfrench@samba.org> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Acked-by: Steve French <stfrench@microsoft.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-05-21treewide: Add SPDX license identifier - Makefile/KconfigThomas Gleixner1-0/+1
Add SPDX license identifiers to all Make/Kconfig files which: - Have no license information of any form These files fall under the project license, GPL v2 only. The resulting SPDX license identifier is: GPL-2.0-only Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-03-06fs: cifs: Kconfig: pedantic formattingEnrico Weigelt, metux IT consult1-60/+60
Formatting of Kconfig files doesn't look so pretty, so just take damp cloth and clean it up. Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net> Signed-off-by: Steve French <stfrench@microsoft.com>
2018-12-28cifs: Minor Kconfig clarificationSteve French1-2/+3
Clarify the use of the CONFIG_DFS_UPCALL for DNS name resolution when server ip addresses change (e.g. on long running mounts) Signed-off-by: Steve French <stfrench@microsoft.com>
2018-12-06cifs: In Kconfig CONFIG_CIFS_POSIX needs depends on legacy (insecure cifs)Steve French1-1/+1
Missing a dependency. Shouldn't show cifs posix extensions in Kconfig if CONFIG_CIFS_ALLOW_INSECURE_DIALECTS (ie SMB1 protocol) is disabled. Signed-off-by: Steve French <stfrench@microsoft.com> Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
2018-09-09fs/cifs: require sha512Stefan Metzmacher1-0/+1
This got lost in commit 0fdfef9aa7ee68ddd508aef7c98630cfc054f8d6, which removed CONFIG_CIFS_SMB311. Signed-off-by: Stefan Metzmacher <metze@samba.org> Fixes: 0fdfef9aa7ee68ddd ("smb3: simplify code by removing CONFIG_CIFS_SMB311") CC: Stable <stable@vger.kernel.org> CC: linux-cifs@vger.kernel.org Signed-off-by: Steve French <stfrench@microsoft.com>
2018-08-07cifs: simple stats should always be enabledSteve French1-8/+1
CONFIG_CIFS_STATS should always be enabled as Pavel recently noted. Simple statistics are not a significant performance hit, and removing the ifdef simplifies the code slightly. Signed-off-by: Steve French <stfrench@microsoft.com> Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com> Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
2018-08-07smb3: simplify code by removing CONFIG_CIFS_SMB311Steve French1-19/+14
We really, really want to be encouraging use of secure dialects, and SMB3.1.1 offers useful security features, and will soon be the recommended dialect for many use cases. Simplify the code by removing the CONFIG_CIFS_SMB311 ifdef so users don't disable it in the build, and create compatibility and/or security issues with modern servers - many of which have been supporting this dialect for multiple years. Also clarify some of the Kconfig text for cifs.ko about SMB3.1.1 and current supported features in the module. Signed-off-by: Steve French <stfrench@microsoft.com> Acked-by: Aurelien Aptel <aaptel@suse.com> Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
2018-08-07cifs: allow disabling insecure dialects in the configSteve French1-1/+16
allow disabling cifs (SMB1 ie vers=1.0) and vers=2.0 in the config for the build of cifs.ko if want to always prevent mounting with these less secure dialects. Signed-off-by: Steve French <stfrench@microsoft.com> Reviewed-by: Aurelien Aptel <aaptel@suse.com> Reviewed-by: Jeremy Allison <jra@samba.org>
2018-05-28IB: Revert "remove redundant INFINIBAND kconfig dependencies"Arnd Bergmann1-1/+1
Several subsystems depend on INFINIBAND_ADDR_TRANS, which in turn depends on INFINIBAND. However, when with CONFIG_INIFIBAND=m, this leads to a link error when another driver using it is built-in. The INFINIBAND_ADDR_TRANS dependency is insufficient here as this is a 'bool' symbol that does not force anything to be a module in turn. fs/cifs/smbdirect.o: In function `smbd_disconnect_rdma_work': smbdirect.c:(.text+0x1e4): undefined reference to `rdma_disconnect' net/9p/trans_rdma.o: In function `rdma_request': trans_rdma.c:(.text+0x7bc): undefined reference to `rdma_disconnect' net/9p/trans_rdma.o: In function `rdma_destroy_trans': trans_rdma.c:(.text+0x830): undefined reference to `ib_destroy_qp' trans_rdma.c:(.text+0x858): undefined reference to `ib_dealloc_pd' Fixes: 9533b292a7ac ("IB: remove redundant INFINIBAND kconfig dependencies") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Greg Thelen <gthelen@google.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-05-09IB: remove redundant INFINIBAND kconfig dependenciesGreg Thelen1-1/+1
INFINIBAND_ADDR_TRANS depends on INFINIBAND. So there's no need for options which depend INFINIBAND_ADDR_TRANS to also depend on INFINIBAND. Remove the unnecessary INFINIBAND depends. Signed-off-by: Greg Thelen <gthelen@google.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
2018-04-27cifs: smbd: depend on INFINIBAND_ADDR_TRANSGreg Thelen1-1/+1
CIFS_SMB_DIRECT code depends on INFINIBAND_ADDR_TRANS provided symbols. So declare the kconfig dependency. This is necessary to allow for enabling INFINIBAND without INFINIBAND_ADDR_TRANS. Signed-off-by: Greg Thelen <gthelen@google.com> Cc: Tarick Bedeir <tarick@google.com> Reviewed-by: Long Li <longli@microsoft.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
2018-04-01SMB3.1.1 dialect is no longer experimentalSteve French1-4/+3
SMB3.1.1 is a very important dialect, with much improved security. We can remove the ExPERIMENTAL comments about it. It is widely supported by servers. Signed-off-by: Steve French <smfrench@gmail.com> CC: Stable <stable@vger.kernel.org>
2018-04-01CIFS: add sha512 secmechAurelien Aptel1-0/+1
* prepare for SMB3.11 pre-auth integrity * enable sha512 when SMB311 is enabled in Kconfig * add sha512 as a soft dependency Signed-off-by: Aurelien Aptel <aaptel@suse.com> Signed-off-by: Steve French <smfrench@gmail.com> CC: Stable <stable@vger.kernel.org> Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
2018-01-31Merge tag 'docs-4.16' of git://git.lwn.net/linuxLinus Torvalds1-8/+7
Pull documentation updates from Jonathan Corbet: "Documentation updates for 4.16. New stuff includes refcount_t documentation, errseq documentation, kernel-doc support for nested structure definitions, the removal of lots of crufty kernel-doc support for unused formats, SPDX tag documentation, the beginnings of a manual for subsystem maintainers, and lots of fixes and updates. As usual, some of the changesets reach outside of Documentation/ to effect kerneldoc comment fixes. It also adds the new LICENSES directory, of which Thomas promises I do not need to be the maintainer" * tag 'docs-4.16' of git://git.lwn.net/linux: (65 commits) linux-next: docs-rst: Fix typos in kfigure.py linux-next: DOC: HWPOISON: Fix path to debugfs in hwpoison.txt Documentation: Fix misconversion of #if docs: add index entry for networking/msg_zerocopy Documentation: security/credentials.rst: explain need to sort group_list LICENSES: Add MPL-1.1 license LICENSES: Add the GPL 1.0 license LICENSES: Add Linux syscall note exception LICENSES: Add the MIT license LICENSES: Add the BSD-3-clause "Clear" license LICENSES: Add the BSD 3-clause "New" or "Revised" License LICENSES: Add the BSD 2-clause "Simplified" license LICENSES: Add the LGPL-2.1 license LICENSES: Add the LGPL 2.0 license LICENSES: Add the GPL 2.0 license Documentation: Add license-rules.rst to describe how to properly identify file licenses scripts: kernel_doc: better handle show warnings logic fs/*/Kconfig: drop links to 404-compliant http://acl.bestbits.at doc: md: Fix a file name to md-fault.c in fault-injection.txt errseq: Add to documentation tree ...
2018-01-24cifs: fix build errors for SMB_DIRECTRandy Dunlap1-1/+1
Prevent build errors when CIFS=y and INFINIBAND=m. fs/cifs/smbdirect.o: In function `smbd_qp_async_error_upcall': smbdirect.c:(.text+0x28c): undefined reference to `ib_event_msg' fs/cifs/smbdirect.o: In function `smbd_destroy_rdma_work': smbdirect.c:(.text+0xfde): undefined reference to `ib_drain_qp' smbdirect.c:(.text+0xfea): undefined reference to `rdma_destroy_qp' smbdirect.c:(.text+0x12a0): undefined reference to `ib_free_cq' smbdirect.c:(.text+0x12ac): undefined reference to `ib_free_cq' smbdirect.c:(.text+0x12b8): undefined reference to `ib_dealloc_pd' smbdirect.c:(.text+0x12c4): undefined reference to `rdma_destroy_id' fs/cifs/smbdirect.o: In function `_smbd_get_connection': smbdirect.c:(.text+0x168c): undefined reference to `rdma_create_id' smbdirect.c:(.text+0x1713): undefined reference to `rdma_resolve_addr' smbdirect.c:(.text+0x1780): undefined reference to `rdma_resolve_route' smbdirect.c:(.text+0x17e3): undefined reference to `rdma_destroy_id' smbdirect.c:(.text+0x183d): undefined reference to `rdma_destroy_id' smbdirect.c:(.text+0x199d): undefined reference to `ib_alloc_cq' smbdirect.c:(.text+0x19d9): undefined reference to `ib_alloc_cq' smbdirect.c:(.text+0x1a89): undefined reference to `rdma_create_qp' smbdirect.c:(.text+0x1b3c): undefined reference to `rdma_connect' smbdirect.c:(.text+0x2538): undefined reference to `rdma_destroy_qp' smbdirect.c:(.text+0x2549): undefined reference to `ib_free_cq' smbdirect.c:(.text+0x255a): undefined reference to `ib_free_cq' smbdirect.c:(.text+0x2563): undefined reference to `ib_dealloc_pd' smbdirect.c:(.text+0x256c): undefined reference to `rdma_destroy_id' smbdirect.c:(.text+0x25f0): undefined reference to `__ib_alloc_pd' smbdirect.c:(.text+0x26bb): undefined reference to `rdma_disconnect' fs/cifs/smbdirect.o: In function `smbd_disconnect_rdma_work': smbdirect.c:(.text+0x62): undefined reference to `rdma_disconnect' Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Steve French <sfrench@samba.org> Cc: linux-cifs@vger.kernel.org Cc: samba-technical@lists.samba.org (moderated for non-subscribers) Signed-off-by: Steve French <smfrench@gmail.com>
2018-01-24CIFS: SMBD: Introduce kernel config option CONFIG_CIFS_SMB_DIRECTLong Li1-0/+8
Build SMB Direct code when this option is set. Signed-off-by: Long Li <longli@microsoft.com> Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com> Signed-off-by: Steve French <smfrench@gmail.com> Acked-by: Ronnie Sahlberg <lsahlber.redhat.com>
2018-01-01fs/*/Kconfig: drop links to 404-compliant http://acl.bestbits.atAdam Borowski1-8/+7
This link is replicated in most filesystems' config stanzas. Referring to an archived version of that site is pointless as it mostly deals with patches; user documentation is available elsewhere. Signed-off-by: Adam Borowski <kilobyte@angband.pl> CC: Alexander Viro <viro@zeniv.linux.org.uk> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Acked-by: Jan Kara <jack@suse.cz> Acked-by: Dave Kleikamp <dave.kleikamp@oracle.com> Acked-by: David Sterba <dsterba@suse.com> Acked-by: "Yan, Zheng" <zyan@redhat.com> Acked-by: Chao Yu <yuchao0@huawei.com> Acked-by: Jaegeuk Kim <jaegeuk@kernel.org> Acked-by: Steve French <smfrench@gmail.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2017-10-25cifs: Select all required crypto modulesBenjamin Gilbert1-0/+5
Some dependencies were lost when CIFS_SMB2 was merged into CIFS. Fixes: 2a38e12053b7 ("[SMB3] Remove ifdef since SMB3 (and later) now STRONGLY preferred") Signed-off-by: Benjamin Gilbert <benjamin.gilbert@coreos.com> Reviewed-by: Aurelien Aptel <aaptel@suse.com> CC: Stable <stable@vger.kernel.org> Signed-off-by: Steve French <smfrench@gmail.com>
2017-07-08[SMB3] Remove ifdef since SMB3 (and later) now STRONGLY preferredSteve French1-52/+31
Remove the CONFIG_CIFS_SMB2 ifdef and Kconfig option since they must always be on now. For various security reasons, SMB3 and later are STRONGLY preferred over CIFS and older dialects, and SMB3 (and later) will now be the default dialects so we do not want to allow them to be ifdeffed out. In the longer term, we may be able to make older CIFS support disableable in Kconfig with a new set of #ifdef, but we always want SMB3 and later support enabled. Signed-off-by: Steven French <smfrench@gmail.com> Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
2017-07-05CIFS: add CONFIG_CIFS_DEBUG_KEYS to dump encryption keysAurélien Aptel1-0/+9
Add new config option that dumps AES keys to the console when they are generated. This is obviously for debugging purposes only, and should not be enabled otherwise. Signed-off-by: Aurelien Aptel <aaptel@suse.com> Signed-off-by: Steve French <smfrench@gmail.com>
2017-02-01CIFS: Encrypt SMB3 requests before sendingPavel Shilovsky1-0/+2
This change allows to encrypt packets if it is required by a server for SMB sessions or tree connections. Signed-off-by: Pavel Shilovsky <pshilov@microsoft.com>
2017-02-01cifs: Only select the required crypto modulesJean Delvare1-2/+3
The sha256 and cmac crypto modules are only needed for SMB2+, so move the select statements to config CIFS_SMB2. Also select CRYPTO_AES there as SMB2+ needs it. Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com> Signed-off-by: Jean Delvare <jdelvare@suse.de> Cc: Steve French <sfrench@samba.org>
2017-02-01cifs: Simplify SMB2 and SMB311 dependenciesJean Delvare1-3/+2
* CIFS_SMB2 depends on CIFS, which depends on INET and selects NLS. So these dependencies do not need to be repeated for CIFS_SMB2. * CIFS_SMB311 depends on CIFS_SMB2, which depends on INET. So this dependency doesn't need to be repeated for CIFS_SMB311. Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com> Signed-off-by: Jean Delvare <jdelvare@suse.de> Cc: Steve French <sfrench@samba.org>
2015-06-27Allow parsing vers=3.11 on cifs mountSteve French1-0/+9
Parses and recognizes "vers=3.1.1" on cifs mount and allows sending 0x0311 as a new CIFS/SMB3 dialect. Subsequent patches will add the new negotiate contexts and updated session setup Reviewed-by: Jeff Layton <jlayton@primarydata.com> Signed-off-by: Steve French <steve.french@primarydata.com>
2014-08-25Clarify Kconfig help text for CIFS and SMB2/SMB3Steve French1-12/+23
Clarify descriptions of SMB2 and SMB3 support in Kconfig Signed-off-by: Steve French <smfrench@gmail.com> Reviewed-by: Pavel Shilovsky <pshilovsky@samba.org>
2013-06-26[CIFS] SMB3 Signing enablementSteve French1-0/+1
SMB3 uses a much faster method of signing (which is also better in other ways), AES-CMAC. With the kernel now supporting AES-CMAC since last release, we are overdue to allow SMB3 signing (today only CIFS and SMB2 and SMB2.1, but not SMB3 and SMB3.1 can sign) - and we need this also for checking secure negotation and also per-share encryption (two other new SMB3 features which we need to implement). This patch needs some work in a few areas - for example we need to move signing for SMB2/SMB3 from per-socket to per-user (we may be able to use the "nosharesock" mount option in the interim for the multiuser case), and Shirish found a bug in the earlier authentication overhaul (setting signing flags properly) - but those can be done in followon patches. Signed-off-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com> Signed-off-by: Steve French <smfrench@gmail.com>
2013-01-21fs/cifs: remove depends on CONFIG_EXPERIMENTALKees Cook1-4/+4
The CONFIG_EXPERIMENTAL config item has not carried much meaning for a while now and is almost always enabled by default. As agreed during the Linux kernel summit, remove it from any "depends on" lines in Kconfigs. CC: Steve French <sfrench@samba.org> CC: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-12-05cifs: Add CONFIG_CIFS_DEBUG and rename use of CIFS_DEBUGJoe Perches1-1/+9
This can reduce the size of the module by ~120KB which could be useful for embedded systems. $ size fs/cifs/built-in.o* text data bss dec hex filename 388567 34459 100440 523466 7fcca fs/cifs/built-in.o.new 495970 34599 117904 648473 9e519 fs/cifs/built-in.o.old Signed-off-by: Joe Perches <joe@perches.com> Reviewed-by: Jeff Layton <jlayton@redhat.com>
2012-10-01[CIFS] Fix indentation of fs/cifs/Kconfig entriesSteve French1-18/+19
make menuconfig for cifs shows multiple entries toward the end of the list with the incorrect indentation (probably a bug in Kconfig parsing of items that are dependant on the module (cifs=m instead of just CONFIG_CIFS). This patch fixes the indentation of all but the last entry (CIFS_ACL) which I don't know how to fix. It also clarifies wording in two places Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <smfrench@gmail.com>
2012-09-24MARK SMB2 support EXPERIMENTALSteve French1-1/+1
Now that the merge of the remaining pieces needed for SMB2 (SMB2.1 dialect) are in, and most test cases pass, we can consider SMB2.1 EXPERIMENTAL rather than "BROKEN." Reviewed-by: Jeff Layton <jlayton@redhat.com> Reviewed-by: Pavel Shilovsky <piastry@etersoft.ru> Signed-off-by: Steve French <smfrench@gmail.com>
2012-09-24CIFS: Enable signing in SMB2Pavel Shilovsky1-0/+1
Use hmac-sha256 and rather than hmac-md5 that is used for CIFS/SMB. Signature field in SMB2 header is 16 bytes instead of 8 bytes. Automatically enable signing by client when requested by the server when signing ability is available to the client. Signed-off-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com> Signed-off-by: Sachin Prabhu <sprabhu@redhat.com> Signed-off-by: Pavel Shilovsky <piastryyy@gmail.com> Signed-off-by: Steve French <smfrench@gmail.com>
2012-05-23CIFS: Introduce SMB2 Kconfig optionSteve French1-0/+20
SMB2 is the followon to the CIFS (and SMB) protocols and the default for Windows since Windows Vista, and also now implemented by various non-Windows servers. SMB2 is more secure, has various performance advantages, including larger i/o sizes, flow control, better caching model and more. SMB2 also resolves some scalability limits in the CIFS protocol and adds many new features while being much simpler (only a few dozen commands instead of hundreds) and since the protocol is clearer it is also more consistently implemented across servers and thus easier to optimize. After much discussion with Jeff Layton, Jeremy Allison and others at Connectathon, we decided to move the SMB2 code from a distinct .ko and fstype into distinct C files that optionally build in cifs.ko. As a result the Kconfig gets simpler. To avoid destabilizing CIFS, the SMB2 code is going to be moved into its own experimental CONFIG_CIFS_SMB2 ifdef as it is merged and rereviewed. The changes to stable CIFS (builds with the SMB2 ifdef off) are expected to be fairly small. Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com> Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru> Signed-off-by: Steve French <sfrench@us.ibm.com>
2012-01-31[CIFS] Update cifs Kconfig title to match removal of experimental dependencySteve French1-2/+2
Removed the dependency on CONFIG_EXPERIMENTAL but forgot to update the text description to be consistent. Signed-off-by: Steve French <smfrench@gmail.com>
2012-01-18[CIFS] ACL and FSCACHE support no longer EXPERIMENTALSteve French1-2/+1
CIFS ACL support and FSCACHE support have been in long enough to be no longer considered experimental. Remove obsolete Kconfig dependency. Signed-off-by: Steve French <sfrench@us.ibm.com> Acked-by: Jeff Layton <jlayton@redhat.com>
2011-06-24cifs: mark CONFIG_CIFS_NFSD_EXPORT as BROKENJeff Layton1-1/+1
This does not work properly with CIFS as current servers do not enable support for the FILE_OPEN_BY_FILE_ID on SMB NTCreateX and not all NFS clients handle ESTALE. For now, it just plain doesn't work. Mark it BROKEN to discourage distros from enabling it. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2011-06-06CIFS ACL support needs CONFIG_KEYS, so depend on itDarren Salt1-1/+1
Build fails if CONFIG_KEYS is not selected. Signed-off-by: Darren Salt <linux@youmustbejoking.demon.co.uk> Reviewed-by: Shirish Pargaonkar <shirishp@us.ibm.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2011-06-03cifs: make CIFS depend on CRYPTO_ECBSuresh Jayaraman1-0/+1
When CONFIG_CRYPTO_ECB is not set, trying to mount a CIFS share with NTLM security resulted in mount failure with the following error: "CIFS VFS: could not allocate des crypto API" Seems like a leftover from commit 43988d7. Signed-off-by: Suresh Jayaraman <sjayaraman@suse.de> CC: Shirish Pargaonkar <shirishpargaonkar@gmail.com> Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2011-05-23cifs: remove unused SMB2 config and mount optionsChristoph Hellwig1-20/+0
There's no SMB2 support in the CIFS filesystem driver, so there's no need to have a config and mount option for it. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Steve French <sfrench@us.ibm.com>
2011-05-19[CIFS] Use ecb des kernel crypto APIs instead ofSteve French1-0/+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>
2011-05-19cifs: cleanup: Rename and remove config flagsShirish Pargaonkar1-11/+3
Remove config flag CIFS_EXPERIMENTAL. Do export operations under new config flag CIFS_NFSD_EXPORT Signed-off-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com> Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2011-05-19Introduce SMB2 Kconfig optionSteve French1-0/+20
SMB2 is the followon to the CIFS (and SMB) protocols and the default for Windows since Windows Vista, and also now implemented by various non-Windows servers. SMB2 is more secure, has various performance advantages, including larger i/o sizes, flow control, better caching model and more. SMB2 also resolves some scalability limits in the cifs protocol and adds many new features while being much simpler (only a few dozen commands instead of hundreds) and since the protocol is clearer it is also more consistently implemented across servers and thus easier to optimize. After much discussion with Jeff Layton, Jeremy Allison and others at Connectathon, we decided to move the smb2 code from a distinct .ko and fstype into distinct C files that optionally build in cifs.ko. As a result the Kconfig gets simpler. To avoid destabilizing cifs, the smb2 code is going to be moved into its own experimental CONFIG_CIFS_SMB2 ifdef as it is merged and rereviewed. The changes to stable cifs (builds with the smb2 ifdef off) are expected to be fairly small. Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2011-01-31cifs: make CIFS depend on CRYPTO_MD4Jeff Layton1-0/+1
Recently CIFS was changed to use the kernel crypto API for MD4 hashes, but the Kconfig dependencies were not changed to reflect this. Signed-off-by: Jeff Layton <jlayton@redhat.com> Reported-and-Tested-by: Suresh Jayaraman <sjayaraman@suse.de> Reviewed-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-11-30cifs: Handle extended attribute name cifs_acl to generate cifs acl blob (try #4)Shirish Pargaonkar1-0/+7
Add extended attribute name system.cifs_acl Get/generate cifs/ntfs acl blob and hand over to the invoker however it wants to parse/process it under experimental configurable option CIFS_ACL. Do not get CIFS/NTFS ACL for xattr for attribute system.posix_acl_access Signed-off-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
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