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2012-09-21userns: Convert hpfs to use kuid and kgid where appropriateEric W. Biederman5-22/+28
Cc: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert btrfs to use kuid/kgid where appropriateEric W. Biederman4-12/+11
Cc: Chris Mason <chris.mason@fusionio.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert bfs to use kuid/kgid where appropriateEric W. Biederman2-5/+4
Cc: "Tigran A. Aivazian" <tigran@aivazian.fsnet.co.uk> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert affs to use kuid/kgid wherwe appropriateEric W. Biederman4-20/+23
Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: On alpha modify linux_to_osf_stat to use convert from kuids and kgidsEric W. Biederman1-2/+2
Silencing build errors and potentially allowing people to use osf system calls in from processes running in a non-default user namespace. It seems this stat call was missed in my first round of converting the stat system calls, bother. Cc: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Matt Turner <mattst88@gmail.com> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
2012-09-21userns: On ia64 deal with current_uid and current_gid being kuid and kgidEric W. Biederman3-19/+20
These ia64 uses of current_uid and current_gid slipped through the cracks when I was converting everything to kuids and kgids convert them now. Cc: Tony Luck <tony.luck@intel.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
2012-09-21userns: On ppc convert current_uid from a kuid before printing.Eric W. Biederman1-1/+1
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
2012-09-21userns: Convert s390 getting uid and gid system calls to use kuid and kgidEric W. Biederman1-12/+24
Convert getresuid, getresgid, getuid, geteuid, getgid, getegid Convert struct cred kuids and kgids into userspace uids and gids when returning them. These s390 system calls slipped through the cracks in my first round of converstions :( Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert s390 hypfs to use kuid and kgid where appropriateEric W. Biederman1-6/+14
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
2012-09-21userns: Convert binder ipc to use kuidsEric W. Biederman2-10/+7
Cc: Arve Hjønnevåg <arve@android.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Teach security_path_chown to take kuids and kgidsEric W. Biederman6-12/+14
Don't make the security modules deal with raw user space uid and gids instead pass in a kuid_t and a kgid_t so that security modules only have to deal with internal kernel uids and gids. Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: James Morris <james.l.morris@oracle.com> Cc: John Johansen <john.johansen@canonical.com> Cc: Kentaro Takeda <takedakn@nttdata.co.jp> Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Add user namespace support to IMAEric W. Biederman3-13/+10
Use kuid's in the IMA rules. When reporting the current uid in audit logs use from_kuid to get a usable value. Cc: Mimi Zohar <zohar@us.ibm.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert EVM to deal with kuids and kgids in it's hmac computationEric W. Biederman2-3/+2
Cc: Mimi Zohar <zohar@us.ibm.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert hostfs to use kuid and kgid where appropriateEric W. Biederman2-6/+4
Cc: Jeff Dike <jdike@addtoit.com> Cc: Richard Weinberger <richard@nod.at> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert selinux to use kuid and kgid where appropriateEric W. Biederman2-4/+4
Cc: Stephen Smalley <sds@tycho.nsa.gov> Cc: James Morris <james.l.morris@oracle.com> Cc: Eric Paris <eparis@parisplace.org> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
2012-09-21userns: Convert tomoyo to use kuid and kgid where appropriateEric W. Biederman5-23/+31
Acked-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert apparmor to use kuid and kgid where appropriateEric W. Biederman5-11/+12
Cc: John Johansen <john.johansen@canonical.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert loop to use kuid_t instead of uid_tEric W. Biederman3-4/+3
Cc: Jens Axboe <jaxboe@fusionio.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert ipathfs to use GLOBAL_ROOT_UID and GLOBAL_ROOT_GIDEric W. Biederman2-3/+2
Acked-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert freevxfs to use kuid/kgid where appropriateEric W. Biederman2-3/+2
Cc: Christoph Hellwig <hch@infradead.org> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert the sysv filesystem to use kuid/kgid where appropriateEric W. Biederman2-5/+4
Cc: Christoph Hellwig <hch@infradead.org> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert the qnx6 filesystem to use kuid/kgid where appropriateEric W. Biederman2-3/+2
Cc: Kai Bankett <chaosman@ontika.net> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert the qnx4 filesystem to use kuid/kgid where appropriateEric W. Biederman2-3/+2
Acked-by: Anders Larsen <al@alarsen.net> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert omfs to use kuid and kgid where appropriateEric W. Biederman3-5/+8
Acked-by: Bob Copeland <me@bobcopeland.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert ntfs to use kuid and kgid where appropriateEric W. Biederman4-13/+39
Cc: Anton Altaparmakov <anton@tuxera.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert nillfs2 to use kuid/kgid where appropriateEric W. Biederman2-5/+4
Acked-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert minix to use kuid/kgid where appropriateEric W. Biederman2-9/+8
Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert logfs to use kuid/kgid where appropriateEric W. Biederman3-7/+6
Cc: Joern Engel <joern@logfs.org> Cc: Prasad Joshi <prasadjoshi.linux@gmail.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert isofs to use kuid/kgid where appropriateEric W. Biederman4-11/+15
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert hfsplus to use kuid and kgid where appropriateEric W. Biederman5-12/+20
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert hfs to use kuid and kgid where appropriateEric W. Biederman4-8/+17
Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert exofs to use kuid/kgid where appropriateEric W. Biederman2-5/+4
Cc: Benny Halevy <bhalevy@tonian.com> Acked-by: Boaz Harrosh <bharrosh@panasas.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert efs to use kuid/kgid where appropriateEric W. Biederman2-3/+2
Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert ecryptfs to use kuid/kgid where appropriateEric W. Biederman3-6/+5
Cc: Tyler Hicks <tyhicks@canonical.com> Cc: Dustin Kirkland <dustin.kirkland@gazzang.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert cramfs to use kuid/kgid where appropriateEric W. Biederman2-3/+2
Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert befs to use kuid/kgid where appropriateEric W. Biederman3-11/+21
Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert adfs to use kuid and kgid where appropriateEric W. Biederman4-13/+17
Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert xenfs to use kuid and kgid where appropriateEric W. Biederman2-3/+2
Cc: Ian Campbell <ian.campbell@citrix.com> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert hugetlbfs to use kuid/kgid where appropriateEric W. Biederman2-6/+11
Note sysctl_hugetlb_shm_group can only be written in the root user in the initial user namespace, so we can assume sysctl_hugetlb_shm_group is in the initial user namespace. Cc: William Irwin <wli@holomorphy.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert devtmpfs to use GLOBAL_ROOT_UID and GLOBAL_ROOT_GIDEric W. Biederman2-3/+2
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert usb functionfs to use kuid/kgid where appropriateEric W. Biederman2-8/+16
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Felipe Balbi <balbi@ti.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert gadgetfs to use kuid and kgid where appropriateEric W. Biederman2-3/+2
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Felipe Balbi <balbi@ti.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-20userns: Convert fat to use kuid/kgid where appropriateEric W. Biederman4-12/+17
Acked-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-18userns: Convert quotaEric W. Biederman2-16/+14
Now that the type changes are done, here is the final set of changes to make the quota code work when user namespaces are enabled. Small cleanups and fixes to make the code build when user namespaces are enabled. Cc: Jan Kara <jack@suse.cz> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
2012-09-18userns: Convert struct dquot_warnEric W. Biederman1-9/+7
Convert w_dq_id to be a struct kquid and remove the now unncessary w_dq_type. This is a simple conversion and enough other places have already been converted that this actually reduces the code complexity by a little bit, when removing now unnecessary type conversions. Cc: Jan Kara <jack@suse.cz> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
2012-09-18userns: Convert struct dquot dq_id to be a struct kqidEric W. Biederman9-82/+102
Change struct dquot dq_id to a struct kqid and remove the now unecessary dq_type. Make minimal changes to dquot, quota_tree, quota_v1, quota_v2, ext3, ext4, and ocfs2 to deal with the change in quota structures and signatures. The ocfs2 changes are larger than most because of the extensive tracing throughout the ocfs2 quota code that prints out dq_id. quota_tree.c:get_index is modified to take a struct kqid instead of a qid_t because all of it's callers pass in dquot->dq_id and it allows me to introduce only a single conversion. The rest of the changes are either just replacing dq_type with dq_id.type, adding conversions to deal with the change in type and occassionally adding qid_eq to allow quota id comparisons in a user namespace safe way. Cc: Mark Fasheh <mfasheh@suse.com> Cc: Joel Becker <jlbec@evilplan.org> Cc: Jan Kara <jack@suse.cz> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Andreas Dilger <adilger.kernel@dilger.ca> Cc: Theodore Tso <tytso@mit.edu> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
2012-09-18userns: Modify dqget to take struct kqidEric W. Biederman4-15/+17
Modify dqget to take struct kqid instead of a type and an identifier pair. Modify the callers of dqget in ocfs2 and dquot to take generate a struct kqid so they can continue to call dqget. The conversion to create struct kqid should all be the final conversions that are needed in those code paths. Cc: Jan Kara <jack@suse.cz> Cc: Mark Fasheh <mfasheh@suse.com> Cc: Joel Becker <jlbec@evilplan.org> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
2012-09-18userns: Convert quota netlink aka quota_send_warningEric W. Biederman6-15/+22
Modify quota_send_warning to take struct kqid instead a type and identifier pair. When sending netlink broadcasts always convert uids and quota identifiers into the intial user namespace. There is as yet no way to send a netlink broadcast message with different contents to receivers in different namespaces, so for the time being just map all of the identifiers into the initial user namespace which preserves the current behavior. Change the callers of quota_send_warning in gfs2, xfs and dquot to generate a struct kqid to pass to quota send warning. When all of the user namespaces convesions are complete a struct kqid values will be availbe without need for conversion, but a conversion is needed now to avoid needing to convert everything at once. Cc: Ben Myers <bpm@sgi.com> Cc: Alex Elder <elder@kernel.org> Cc: Dave Chinner <david@fromorbit.com> Cc: Jan Kara <jack@suse.cz> Cc: Steven Whitehouse <swhiteho@redhat.com> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
2012-09-18userns: Convert qutoactlEric W. Biederman7-30/+48
Update the quotactl user space interface to successfull compile with user namespaces support enabled and to hand off quota identifiers to lower layers of the kernel in struct kqid instead of type and qid pairs. The quota on function is not converted because while it takes a quota type and an id. The id is the on disk quota format to use, which is something completely different. The signature of two struct quotactl_ops methods were changed to take struct kqid argumetns get_dqblk and set_dqblk. The dquot, xfs, and ocfs2 implementations of get_dqblk and set_dqblk are minimally changed so that the code continues to work with the change in parameter type. This is the first in a series of changes to always store quota identifiers in the kernel in struct kqid and only use raw type and qid values when interacting with on disk structures or userspace. Always using struct kqid internally makes it hard to miss places that need conversion to or from the kernel internal values. Cc: Jan Kara <jack@suse.cz> Cc: Dave Chinner <david@fromorbit.com> Cc: Mark Fasheh <mfasheh@suse.com> Cc: Joel Becker <jlbec@evilplan.org> Cc: Ben Myers <bpm@sgi.com> Cc: Alex Elder <elder@kernel.org> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
2012-09-18userns: Implement struct kqidEric W. Biederman3-1/+258
Add the data type struct kqid which holds the kernel internal form of the owning identifier of a quota. struct kqid is a replacement for the implicit union of uid, gid and project id stored in an unsigned int and the quota type field that is was used in the quota data structures. Making the data type explicit allows the kuid_t and kgid_t type safety to propogate more thoroughly through the code, revealing more places where uid/gid conversions need be made. Along with the data type struct kqid comes the helper functions qid_eq, qid_lt, from_kqid, from_kqid_munged, qid_valid, make_kqid, make_kqid_invalid, make_kqid_uid, make_kqid_gid. Cc: Jan Kara <jack@suse.cz> Cc: Dave Chinner <david@fromorbit.com> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
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