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userns: Convert the audit loginuid to be a kuid

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Always store audit loginuids in type kuid_t.

Print loginuids by converting them into uids in the appropriate user
namespace, and then printing the resulting uid.

Modify audit_get_loginuid to return a kuid_t.

Modify audit_set_loginuid to take a kuid_t.

Modify /proc/<pid>/loginuid on read to convert the loginuid into the
user namespace of the opener of the file.

Modify /proc/<pid>/loginud on write to convert the loginuid
rom the user namespace of the opener of the file.

Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Eric Paris <eparis@redhat.com>
Cc: Paul Moore <paul@paul-moore.com> ?
Cc: David Miller <davem@davemloft.net>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
This commit is contained in:
Eric W. Biederman 2012-09-10 22:39:43 -07:00
parent ca57ec0f00
commit e1760bd5ff
18 changed files with 80 additions and 66 deletions
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2
include/linux/init_task.h
View file

@ -92,7 +92,7 @@ extern struct group_info init_groups;
#ifdef CONFIG_AUDITSYSCALL
#define INIT_IDS \
.loginuid = -1, \
.loginuid = INVALID_UID, \
.sessionid = -1,
#else
#define INIT_IDS