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-rw-r--r--security/selinux/include/security.h161
1 files changed, 81 insertions, 80 deletions
diff --git a/security/selinux/include/security.h b/security/selinux/include/security.h
index a9de89af8f..289bf9233f 100644
--- a/security/selinux/include/security.h
+++ b/security/selinux/include/security.h
@@ -21,57 +21,57 @@
#include "flask.h"
#include "policycap.h"
-#define SECSID_NULL 0x00000000 /* unspecified SID */
-#define SECSID_WILD 0xffffffff /* wildcard SID */
-#define SECCLASS_NULL 0x0000 /* no class */
+#define SECSID_NULL 0x00000000 /* unspecified SID */
+#define SECSID_WILD 0xffffffff /* wildcard SID */
+#define SECCLASS_NULL 0x0000 /* no class */
/* Identify specific policy version changes */
-#define POLICYDB_VERSION_BASE 15
-#define POLICYDB_VERSION_BOOL 16
-#define POLICYDB_VERSION_IPV6 17
-#define POLICYDB_VERSION_NLCLASS 18
-#define POLICYDB_VERSION_VALIDATETRANS 19
-#define POLICYDB_VERSION_MLS 19
-#define POLICYDB_VERSION_AVTAB 20
-#define POLICYDB_VERSION_RANGETRANS 21
-#define POLICYDB_VERSION_POLCAP 22
-#define POLICYDB_VERSION_PERMISSIVE 23
-#define POLICYDB_VERSION_BOUNDARY 24
-#define POLICYDB_VERSION_FILENAME_TRANS 25
-#define POLICYDB_VERSION_ROLETRANS 26
-#define POLICYDB_VERSION_NEW_OBJECT_DEFAULTS 27
-#define POLICYDB_VERSION_DEFAULT_TYPE 28
-#define POLICYDB_VERSION_CONSTRAINT_NAMES 29
-#define POLICYDB_VERSION_XPERMS_IOCTL 30
-#define POLICYDB_VERSION_INFINIBAND 31
-#define POLICYDB_VERSION_GLBLUB 32
-#define POLICYDB_VERSION_COMP_FTRANS 33 /* compressed filename transitions */
+#define POLICYDB_VERSION_BASE 15
+#define POLICYDB_VERSION_BOOL 16
+#define POLICYDB_VERSION_IPV6 17
+#define POLICYDB_VERSION_NLCLASS 18
+#define POLICYDB_VERSION_VALIDATETRANS 19
+#define POLICYDB_VERSION_MLS 19
+#define POLICYDB_VERSION_AVTAB 20
+#define POLICYDB_VERSION_RANGETRANS 21
+#define POLICYDB_VERSION_POLCAP 22
+#define POLICYDB_VERSION_PERMISSIVE 23
+#define POLICYDB_VERSION_BOUNDARY 24
+#define POLICYDB_VERSION_FILENAME_TRANS 25
+#define POLICYDB_VERSION_ROLETRANS 26
+#define POLICYDB_VERSION_NEW_OBJECT_DEFAULTS 27
+#define POLICYDB_VERSION_DEFAULT_TYPE 28
+#define POLICYDB_VERSION_CONSTRAINT_NAMES 29
+#define POLICYDB_VERSION_XPERMS_IOCTL 30
+#define POLICYDB_VERSION_INFINIBAND 31
+#define POLICYDB_VERSION_GLBLUB 32
+#define POLICYDB_VERSION_COMP_FTRANS 33 /* compressed filename transitions */
/* Range of policy versions we understand*/
-#define POLICYDB_VERSION_MIN POLICYDB_VERSION_BASE
-#define POLICYDB_VERSION_MAX POLICYDB_VERSION_COMP_FTRANS
+#define POLICYDB_VERSION_MIN POLICYDB_VERSION_BASE
+#define POLICYDB_VERSION_MAX POLICYDB_VERSION_COMP_FTRANS
/* Mask for just the mount related flags */
-#define SE_MNTMASK 0x0f
+#define SE_MNTMASK 0x0f
/* Super block security struct flags for mount options */
/* BE CAREFUL, these need to be the low order bits for selinux_get_mnt_opts */
#define CONTEXT_MNT 0x01
#define FSCONTEXT_MNT 0x02
-#define ROOTCONTEXT_MNT 0x04
+#define ROOTCONTEXT_MNT 0x04
#define DEFCONTEXT_MNT 0x08
#define SBLABEL_MNT 0x10
/* Non-mount related flags */
-#define SE_SBINITIALIZED 0x0100
-#define SE_SBPROC 0x0200
-#define SE_SBGENFS 0x0400
-#define SE_SBGENFS_XATTR 0x0800
-#define SE_SBNATIVE 0x1000
+#define SE_SBINITIALIZED 0x0100
+#define SE_SBPROC 0x0200
+#define SE_SBGENFS 0x0400
+#define SE_SBGENFS_XATTR 0x0800
+#define SE_SBNATIVE 0x1000
#define CONTEXT_STR "context"
#define FSCONTEXT_STR "fscontext"
-#define ROOTCONTEXT_STR "rootcontext"
+#define ROOTCONTEXT_STR "rootcontext"
#define DEFCONTEXT_STR "defcontext"
-#define SECLABEL_STR "seclabel"
+#define SECLABEL_STR "seclabel"
struct netlbl_lsm_secattr;
@@ -81,11 +81,11 @@ extern int selinux_enabled_boot;
* type_datum properties
* available at the kernel policy version >= POLICYDB_VERSION_BOUNDARY
*/
-#define TYPEDATUM_PROPERTY_PRIMARY 0x0001
-#define TYPEDATUM_PROPERTY_ATTRIBUTE 0x0002
+#define TYPEDATUM_PROPERTY_PRIMARY 0x0001
+#define TYPEDATUM_PROPERTY_ATTRIBUTE 0x0002
/* limitation of boundary depth */
-#define POLICYDB_BOUNDS_MAXDEPTH 4
+#define POLICYDB_BOUNDS_MAXDEPTH 4
struct selinux_policy;
@@ -189,6 +189,12 @@ static inline bool selinux_policycap_ioctl_skip_cloexec(void)
selinux_state.policycap[POLICYDB_CAP_IOCTL_SKIP_CLOEXEC]);
}
+static inline bool selinux_policycap_userspace_initial_context(void)
+{
+ return READ_ONCE(
+ selinux_state.policycap[POLICYDB_CAP_USERSPACE_INITIAL_CONTEXT]);
+}
+
struct selinux_policy_convert_data;
struct selinux_load_state {
@@ -214,12 +220,12 @@ struct av_decision {
u32 flags;
};
-#define XPERMS_ALLOWED 1
+#define XPERMS_ALLOWED 1
#define XPERMS_AUDITALLOW 2
-#define XPERMS_DONTAUDIT 4
+#define XPERMS_DONTAUDIT 4
-#define security_xperm_set(perms, x) ((perms)[(x) >> 5] |= 1 << ((x) & 0x1f))
-#define security_xperm_test(perms, x) (1 & ((perms)[(x) >> 5] >> ((x) & 0x1f)))
+#define security_xperm_set(perms, x) ((perms)[(x) >> 5] |= 1 << ((x)&0x1f))
+#define security_xperm_test(perms, x) (1 & ((perms)[(x) >> 5] >> ((x)&0x1f)))
struct extended_perms_data {
u32 p[8];
};
@@ -233,23 +239,22 @@ struct extended_perms_decision {
};
struct extended_perms {
- u16 len; /* length associated decision chain */
+ u16 len; /* length associated decision chain */
struct extended_perms_data drivers; /* flag drivers that are used */
};
/* definitions of av_decision.flags */
-#define AVD_FLAGS_PERMISSIVE 0x0001
+#define AVD_FLAGS_PERMISSIVE 0x0001
-void security_compute_av(u32 ssid, u32 tsid,
- u16 tclass, struct av_decision *avd,
+void security_compute_av(u32 ssid, u32 tsid, u16 tclass,
+ struct av_decision *avd,
struct extended_perms *xperms);
-void security_compute_xperms_decision(u32 ssid, u32 tsid, u16 tclass,
- u8 driver,
+void security_compute_xperms_decision(u32 ssid, u32 tsid, u16 tclass, u8 driver,
struct extended_perms_decision *xpermd);
-void security_compute_av_user(u32 ssid, u32 tsid,
- u16 tclass, struct av_decision *avd);
+void security_compute_av_user(u32 ssid, u32 tsid, u16 tclass,
+ struct av_decision *avd);
int security_transition_sid(u32 ssid, u32 tsid, u16 tclass,
const struct qstr *qstr, u32 *out_sid);
@@ -288,8 +293,7 @@ int security_ib_endport_sid(const char *dev_name, u8 port_num, u32 *out_sid);
int security_netif_sid(char *name, u32 *if_sid);
-int security_node_sid(u16 domain, void *addr, u32 addrlen,
- u32 *out_sid);
+int security_node_sid(u16 domain, void *addr, u32 addrlen, u32 *out_sid);
int security_validate_transition(u32 oldsid, u32 newsid, u32 tasksid,
u16 tclass);
@@ -301,50 +305,47 @@ int security_bounded_transition(u32 oldsid, u32 newsid);
int security_sid_mls_copy(u32 sid, u32 mls_sid, u32 *new_sid);
-int security_net_peersid_resolve(u32 nlbl_sid, u32 nlbl_type,
- u32 xfrm_sid,
+int security_net_peersid_resolve(u32 nlbl_sid, u32 nlbl_type, u32 xfrm_sid,
u32 *peer_sid);
-int security_get_classes(struct selinux_policy *policy,
- char ***classes, u32 *nclasses);
-int security_get_permissions(struct selinux_policy *policy,
- const char *class, char ***perms, u32 *nperms);
+int security_get_classes(struct selinux_policy *policy, char ***classes,
+ u32 *nclasses);
+int security_get_permissions(struct selinux_policy *policy, const char *class,
+ char ***perms, u32 *nperms);
int security_get_reject_unknown(void);
int security_get_allow_unknown(void);
-#define SECURITY_FS_USE_XATTR 1 /* use xattr */
-#define SECURITY_FS_USE_TRANS 2 /* use transition SIDs, e.g. devpts/tmpfs */
-#define SECURITY_FS_USE_TASK 3 /* use task SIDs, e.g. pipefs/sockfs */
-#define SECURITY_FS_USE_GENFS 4 /* use the genfs support */
-#define SECURITY_FS_USE_NONE 5 /* no labeling support */
-#define SECURITY_FS_USE_MNTPOINT 6 /* use mountpoint labeling */
-#define SECURITY_FS_USE_NATIVE 7 /* use native label support */
-#define SECURITY_FS_USE_MAX 7 /* Highest SECURITY_FS_USE_XXX */
+#define SECURITY_FS_USE_XATTR 1 /* use xattr */
+#define SECURITY_FS_USE_TRANS 2 /* use transition SIDs, e.g. devpts/tmpfs */
+#define SECURITY_FS_USE_TASK 3 /* use task SIDs, e.g. pipefs/sockfs */
+#define SECURITY_FS_USE_GENFS 4 /* use the genfs support */
+#define SECURITY_FS_USE_NONE 5 /* no labeling support */
+#define SECURITY_FS_USE_MNTPOINT 6 /* use mountpoint labeling */
+#define SECURITY_FS_USE_NATIVE 7 /* use native label support */
+#define SECURITY_FS_USE_MAX 7 /* Highest SECURITY_FS_USE_XXX */
int security_fs_use(struct super_block *sb);
int security_genfs_sid(const char *fstype, const char *path, u16 sclass,
u32 *sid);
-int selinux_policy_genfs_sid(struct selinux_policy *policy,
- const char *fstype, const char *path, u16 sclass,
- u32 *sid);
+int selinux_policy_genfs_sid(struct selinux_policy *policy, const char *fstype,
+ const char *path, u16 sclass, u32 *sid);
#ifdef CONFIG_NETLABEL
int security_netlbl_secattr_to_sid(struct netlbl_lsm_secattr *secattr,
u32 *sid);
-int security_netlbl_sid_to_secattr(u32 sid,
- struct netlbl_lsm_secattr *secattr);
+int security_netlbl_sid_to_secattr(u32 sid, struct netlbl_lsm_secattr *secattr);
#else
-static inline int security_netlbl_secattr_to_sid(struct netlbl_lsm_secattr *secattr,
- u32 *sid)
+static inline int
+security_netlbl_secattr_to_sid(struct netlbl_lsm_secattr *secattr, u32 *sid)
{
return -EIDRM;
}
-static inline int security_netlbl_sid_to_secattr(u32 sid,
- struct netlbl_lsm_secattr *secattr)
+static inline int
+security_netlbl_sid_to_secattr(u32 sid, struct netlbl_lsm_secattr *secattr)
{
return -ENOENT;
}
@@ -357,13 +358,13 @@ const char *security_get_initial_sid_context(u32 sid);
*/
extern struct page *selinux_kernel_status_page(void);
-#define SELINUX_KERNEL_STATUS_VERSION 1
+#define SELINUX_KERNEL_STATUS_VERSION 1
struct selinux_kernel_status {
- u32 version; /* version number of the structure */
- u32 sequence; /* sequence number of seqlock logic */
- u32 enforcing; /* current setting of enforcing mode */
- u32 policyload; /* times of policy reloaded */
- u32 deny_unknown; /* current setting of deny_unknown */
+ u32 version; /* version number of the structure */
+ u32 sequence; /* sequence number of seqlock logic */
+ u32 enforcing; /* current setting of enforcing mode */
+ u32 policyload; /* times of policy reloaded */
+ u32 deny_unknown; /* current setting of deny_unknown */
/*
* The version > 0 supports above members.
*/