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selinux: Implement Infiniband PKey "Access" access vector

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Add a type and access vector for PKeys. Implement the ib_pkey_access
hook to check that the caller has permission to access the PKey on the
given subnet prefix. Add an interface to get the PKey SID. Walk the PKey
ocontexts to find an entry for the given subnet prefix and pkey.

Signed-off-by: Daniel Jurgens <danielj@mellanox.com>
Reviewed-by: James Morris <james.l.morris@oracle.com>
Acked-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
This commit is contained in:
Daniel Jurgens
2017-05-19 15:48:57 +03:00
committed by Paul Moore
parent 3a976fa676
commit cfc4d882d4
6 changed files with 84 additions and 0 deletions
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7
include/linux/lsm_audit.h
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@@ -45,6 +45,11 @@ struct lsm_ioctlop_audit {
u16 cmd;
};
struct lsm_ibpkey_audit {
u64 subnet_prefix;
u16 pkey;
};
/* Auxiliary data to use in generating the audit record. */
struct common_audit_data {
char type;
@@ -60,6 +65,7 @@ struct common_audit_data {
#define LSM_AUDIT_DATA_DENTRY 10
#define LSM_AUDIT_DATA_IOCTL_OP 11
#define LSM_AUDIT_DATA_FILE 12
#define LSM_AUDIT_DATA_IBPKEY 13
union {
struct path path;
struct dentry *dentry;
@@ -77,6 +83,7 @@ struct common_audit_data {
char *kmod_name;
struct lsm_ioctlop_audit *op;
struct file *file;
struct lsm_ibpkey_audit *ibpkey;
} u;
/* this union contains LSM specific data */
union {