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* [CIFS] implement upcalls for SPNEGO blob via keyctl APIJeff Layton2007-11-03
| | | | | | | | | | | | | | | 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] allow cifs_calc_signature2 to deal with a zero length iovecJeff Layton2007-11-03
| | | | | | | | Currently, cifs_calc_signature2 errors out if it gets a zero-length iovec. Fix it to silently continue in that case. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] If no Access Control Entries, set mode perm bits to zeroSteve French2007-11-01
| | | | | | | Also clean up ACL code Acked-by: Shirish Pargaonkar <shirishp@us.ibm.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] when mount helper missing fix slash wrong direction in shareSteve French2007-10-31
| | | | | | | | | | | | | | | | | | Kernel bugzilla bug #9228 If mount helper (mount.cifs) missing, mounts with form like //10.11.12.13/c$ would not work (only mounts with slash e.g. //10.11.12.13\\c$ would work) due to problem with slash supposed to be converted to backslash by the mount helper (which is not there). If we fail on converting an IPv4 address in in4_pton then try to canonicalize the first slash (ie between sharename and host ip address) if necessary. If we have to retry to check for IPv6 address the slash is already converted if necessary. Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] Don't request too much permission when reading an ACLSteve French2007-10-31
| | | | | | | | | We were requesting GENERIC_READ but that fails when we do not have read permission on the file (even if we could read the ACL). Also move the dump access control entry code into debug ifdef. Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] enable get mode from ACL when cifsacl mount option specifiedShirish Pargaonkar2007-10-30
| | | | | | | | Part 9 of ACL patch series. getting mode from ACL now works in some cases (and requires CIFS_EXPERIMENTAL config option). Signed-off-by: Shirish Pargaonkar <shirishp@us.ibm.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] ACL support part 8Steve French2007-10-26
| | | | | | | | Now GetACL in getinodeinfo path when cifsacl mount option used, and ACL is parsed for SIDs. Missing only one piece now to be able to retrieve the mode Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] acl support part 7Steve French2007-10-26
| | | | | | Also fixes typo, build break Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] acl support part 6Steve French2007-10-25
| | | | | | Acked-by: Shirish Pargaonkar <shirishp@us.ibm.com> CC: Cyrill Gorcunov <gorcunov@gmail.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] acl support part 6Steve French2007-10-23
| | | | | CC: Shirish Pargaonkar <shirishp@us.ibm.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] remove unused funtion compile warning when experimental offParag Warudkar2007-10-23
| | | | | | | | | get rid of couple of unused function warnings which show up when CONFIG_CIFS_EXPERIMENTAL is not defined - wrap them in #ifdef CONFIG_CIFS_EXPERIMENTAL. Patch against current git. Signed-off-by: Parag Warudkar <kernel-stuff@comcast.net> Signed-off-by: Steve French <sfrench@us.ibm.com>
* Merge branch 'master' of /pub/scm/linux/kernel/git/torvalds/linux-2.6Steve French2007-10-22
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| * NFS: Fix a typo in nfs_call_unlink()Trond Myklebust2007-10-21
| | | | | | | | Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * NFSv2: Ensure that the directory metadata gets revalidated on file createTrond Myklebust2007-10-21
| | | | | | | | Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * Merge branch 'audit.b43' of ↵Linus Torvalds2007-10-21
| |\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit-current * 'audit.b43' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit-current: [PATCH] audit: watching subtrees [PATCH] new helper - inotify_evict_watch() [PATCH] new helper - inotify_clone_watch() [PATCH] new helpers - collect_mounts() and release_collected_mounts() [PATCH] pass dentry to audit_inode()/audit_inode_child()
| | * [PATCH] audit: watching subtreesAl Viro2007-10-21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | New kind of audit rule predicates: "object is visible in given subtree". The part that can be sanely implemented, that is. Limitations: * if you have hardlink from outside of tree, you'd better watch it too (or just watch the object itself, obviously) * if you mount something under a watched tree, tell audit that new chunk should be added to watched subtrees * if you umount something in a watched tree and it's still mounted elsewhere, you will get matches on events happening there. New command tells audit to recalculate the trees, trimming such sources of false positives. Note that it's _not_ about path - if something mounted in several places (multiple mount, bindings, different namespaces, etc.), the match does _not_ depend on which one we are using for access. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| | * [PATCH] new helper - inotify_evict_watch()Al Viro2007-10-21
| | | | | | | | | | | | | | | | | | Kicks the watch out without dropping it. Called under ->inotify_mutex Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| | * [PATCH] new helper - inotify_clone_watch()Al Viro2007-10-21
| | | | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| | * [PATCH] new helpers - collect_mounts() and release_collected_mounts()Al Viro2007-10-21
| | | | | | | | | | | | | | | | | | | | | Get a snapshot of a subtree, creating private clones of vfsmounts for all its components and release such snapshot resp. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| | * [PATCH] pass dentry to audit_inode()/audit_inode_child()Al Viro2007-10-21
| | | | | | | | | | | | | | | | | | makes caller simpler *and* allows to scan ancestors Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * | nobh: nobh_write_end fixNick Piggin2007-10-21
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | This path mustn't have been tested :( I did attempt to exercise it by injecting failures here, but I suspect PageMappedToDisk may have been getting in the way. Will need more of a look, although I think nobh mode is OK for an -rc1 (it shouldn't eat anyone's data). Commit 03158cd7eb3374843de68421142ca5900df845d9 ("fs: restore nobh") introcduced a NULL deref. Spotted by the Coverity checker. Signed-off-by: Nick Piggin <npiggin@suse.de> Cc: Badari Pulavarty <pbadari@us.ibm.com> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | Merge branch 'master' of /pub/scm/linux/kernel/git/torvalds/linux-2.6Steve French2007-10-20
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| * Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivialLinus Torvalds2007-10-19
| |\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial: (74 commits) fix do_sys_open() prototype sysfs: trivial: fix sysfs_create_file kerneldoc spelling mistake Documentation: Fix typo in SubmitChecklist. Typo: depricated -> deprecated Add missing profile=kvm option to Documentation/kernel-parameters.txt fix typo about TBI in e1000 comment proc.txt: Add /proc/stat field small documentation fixes Fix compiler warning in smount example program from sharedsubtree.txt docs/sysfs: add missing word to sysfs attribute explanation documentation/ext3: grammar fixes Documentation/java.txt: typo and grammar fixes Documentation/filesystems/vfs.txt: typo fix include/asm-*/system.h: remove unused set_rmb(), set_wmb() macros trivial copy_data_pages() tidy up Fix typo in arch/x86/kernel/tsc_32.c file link fix for Pegasus USB net driver help remove unused return within void return function Typo fixes retrun -> return x86 hpet.h: remove broken links ...
| | * sysfs: trivial: fix sysfs_create_file kerneldoc spelling mistakeChris Malley2007-10-19
| | | | | | | | | | | | | | | | | | | | | Spelling error in sysfs_create_file kerneldoc. Signed-off-by: Chris Malley <mail@chrismalley.co.uk> Signed-off-by: Adrian Bunk <bunk@kernel.org>
| | * fix typo "insted" -> "instead"Uwe Kleine-König2007-10-19
| | | | | | | | | | | | | | | Signed-off-by: Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de> Signed-off-by: Adrian Bunk <bunk@kernel.org>
| | * Convert files to UTF-8 and some cleanupsJan Engelhardt2007-10-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Convert files to UTF-8. * Also correct some people's names (one example is Eißfeldt, which was found in a source file. Given that the author used an ß at all in a source file indicates that the real name has in fact a 'ß' and not an 'ss', which is commonly used as a substitute for 'ß' when limited to 7bit.) * Correct town names (Goettingen -> Göttingen) * Update Eberhard Mönkeberg's address (http://lkml.org/lkml/2007/1/8/313) Signed-off-by: Jan Engelhardt <jengelh@gmx.de> Signed-off-by: Adrian Bunk <bunk@kernel.org>
| | * Fix misspellings of "system", "controller", "interrupt" and "necessary".Robert P. J. Day2007-10-19
| | | | | | | | | | | | | | | | | | | | | | | | Fix the various misspellings of "system", controller", "interrupt" and "[un]necessary". Signed-off-by: Robert P. J. Day <rpjday@mindspring.com> Signed-off-by: Adrian Bunk <bunk@kernel.org>
| * | Avoid compile error in fs/nfs/unlink.cLinus Torvalds2007-10-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Erez Zadok reports that certain configurations fail to build due to schedule() TASK_[UN]INTERRUPTIBLE not being declared. Add proper include files to fix. Cc: Erez Zadok <ezk@cs.sunysb.edu> Cc: Trond Myklebust <Trond.Myklebust@netapp.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | nfs: Fix build break with CONFIG_NFS_V4=nOlof Johansson2007-10-19
| | | | | | | | | | | | | | | | | | Signed-off-by: Olof Johansson <olof@lixom.net> Cc: Trond Myklebust <Trond.Myklebust@netapp.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | Merge git://git.linux-nfs.org/pub/linux/nfs-2.6Linus Torvalds2007-10-19
| |\ \ | | |/ | |/| | | | | | | | | | | | | | | | * git://git.linux-nfs.org/pub/linux/nfs-2.6: NFSv4: Fix an rpc_cred reference leakage in fs/nfs/delegation.c NFSv4: Ensure that we wait for the CLOSE request to complete NFS: Fix a race in sillyrename NFS: Fix a writeback race...
| | * NFSv4: Fix an rpc_cred reference leakage in fs/nfs/delegation.cTrond Myklebust2007-10-19
| | | | | | | | | | | | Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| | * NFSv4: Ensure that we wait for the CLOSE request to completeTrond Myklebust2007-10-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Otherwise, we do end up breaking close-to-open semantics. We also end up breaking some of the silly-rename tests in Connectathon on some setups. Please refer to the bug-report at http://bugzilla.linux-nfs.org/show_bug.cgi?id=150 Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| | * NFS: Fix a race in sillyrenameTrond Myklebust2007-10-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | lookup() and sillyrename() can race one another because the sillyrename() completion cannot take the parent directory's inode->i_mutex since the latter may be held by whoever is calling dput(). We therefore have little option but to add extra locking to ensure that nfs_lookup() and nfs_atomic_open() do not race with the sillyrename completion. If somebody has looked up the sillyrenamed file in the meantime, we just transfer the sillydelete information to the new dentry. Please refer to the bug-report at http://bugzilla.linux-nfs.org/show_bug.cgi?id=150 Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| | * NFS: Fix a writeback race...Trond Myklebust2007-10-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch fixes a regression that was introduced by commit 44dd151d5c21234cc534c47d7382f5c28c3143cd We cannot zero the user page in nfs_mark_uptodate() any more, since a) We'd be modifying the page without holding the page lock b) We can race with other updates of the page, most notably because of the call to nfs_wb_page() in nfs_writepage_setup(). Instead, we do the zeroing in nfs_update_request() if we see that we're creating a request that might potentially be marked as up to date. Thanks to Olivier Paquet for reporting the bug and providing a test-case. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* | | [CIFS] ACL support part 5Steve French2007-10-19
|/ / | | | | | | | | Acked-by: Shirish Pargaonkar <shirishp@us.ibm.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* | Merge git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-schedLinus Torvalds2007-10-19
|\ \ | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched: sched: fix guest time accounting going faster than user time accounting
| * | sched: fix guest time accounting going faster than user time accountingChristian Borntraeger2007-10-19
| |/ | | | | | | | | | | | | cputime_add already adds, dont do it twice. Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* | Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6Linus Torvalds2007-10-19
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6: (51 commits) [CIFS] log better errors on failed mounts [CIFS] Return better error when server requires signing but client forbids [CIFS] fix typo [CIFS] acl support part 4 [CIFS] Fix minor problems noticed by scan [CIFS] fix bad handling of EAGAIN error on kernel_recvmsg in cifs_demultiplex_thread [CIFS] build break [CIFS] endian fixes [CIFS] endian fixes in new acl code [CIFS] Fix some endianness problems in new acl code [CIFS] missing #endif from a previous patch [CIFS] formatting fixes [CIFS] Break up unicode_sessetup string functions [CIFS] parse server_GUID in SPNEGO negProt response [CIFS] [CIFS] Fix endian conversion problem in posix mkdir [CIFS] fix build break when lanman not enabled [CIFS] remove two sparse warnings [CIFS] remove compile warnings when debug disabled [CIFS] CIFS ACL support part 3 ...
| * | [CIFS] log better errors on failed mountsSteve French2007-10-18
| | | | | | | | | | | | | | | | | | | | | | | | Also returns more accurate errors to mount for the cases of account expired and password expired Acked-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
| * | [CIFS] Return better error when server requires signing but client forbidsSteve French2007-10-17
| | | | | | | | | | | | Signed-off-by: Steve French <sfrench@us.ibm.com>
| * | [CIFS] fix typoSteve French2007-10-17
| | | | | | | | | | | | Signed-off-by: Steve French <sfrench@us.ibm.com>
| * | [CIFS] acl support part 4Steve French2007-10-17
| | | | | | | | | | | | Signed-off-by: Steve French <sfrench@us.ibm.com>
| * | [CIFS] Fix minor problems noticed by scanSteve French2007-10-17
| | | | | | | | | | | | | | | | | | Coverity scan pointed out some minor possible errors. Signed-off-by: Steve French <sfrench@us.ibm.com>
| * | [CIFS] fix bad handling of EAGAIN error on kernel_recvmsg in ↵Steve French2007-10-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | cifs_demultiplex_thread When kernel_recvmsg returns -EAGAIN or -ERESTARTSYS, then cifs_demultiplex_thread sleeps for a bit and then tries the read again. When it does this, it's not zeroing out the length and that throws off the value of total_read. Fix it to zero out the length. Can cause memory corruption: If kernel_recvmsg returns an error and total_read is a large enough value, then we'll end up going through the loop again. total_read will be a bogus value, as will (pdu_length-total_read). When this happens we end up calling kernel_recvmsg with a bogus value (possibly larger than the current iov_len). At that point, memcpy_toiovec can overrun iov. It will start walking up the stack, casting other things that are there to struct iovecs (since it assumes that it's been passed an array of them). Any pointer on the stack at an address above the kvec is a candidate for corruption here. Many thanks to Ulrich Obergfell for pointing this out. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
| * | [CIFS] build breakSteve French2007-10-16
| | | | | | | | | | | | Signed-off-by: Steve French <sfrench@us.ibm.com>
| * | [CIFS] endian fixesSteve French2007-10-16
| | | | | | | | | | | | Signed-off-by: Steve French <sfrench@us.ibm.com>
| * | [CIFS] endian fixes in new acl codeDave Kleikamp2007-10-16
| | | | | | | | | | | | | | | Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
| * | [CIFS] Fix some endianness problems in new acl codeSteve French2007-10-16
| | | | | | | | | | | | Signed-off-by: Steve French <sfrench@us.ibm.com>
| * | [CIFS] missing #endif from a previous patchSteve French2007-10-16
| | | | | | | | | | | | Signed-off-by: Steve French <sfrench@us.ibm.com>
| * | [CIFS] formatting fixesCyrill Gorcunov2007-10-16
| | | | | | | | | | | | | | | Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
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