diff options
Diffstat (limited to 'security/selinux/include/security.h')
-rw-r--r-- | security/selinux/include/security.h | 171 |
1 files changed, 65 insertions, 106 deletions
diff --git a/security/selinux/include/security.h b/security/selinux/include/security.h index 393aff41d3ef..cb38d1894cfc 100644 --- a/security/selinux/include/security.h +++ b/security/selinux/include/security.h @@ -86,7 +86,6 @@ extern int selinux_enabled_boot; /* limitation of boundary depth */ #define POLICYDB_BOUNDS_MAXDEPTH 4 -struct selinux_avc; struct selinux_policy; struct selinux_state { @@ -103,72 +102,71 @@ struct selinux_state { struct page *status_page; struct mutex status_lock; - struct selinux_avc *avc; struct selinux_policy __rcu *policy; struct mutex policy_mutex; } __randomize_layout; -void selinux_avc_init(struct selinux_avc **avc); +void selinux_avc_init(void); extern struct selinux_state selinux_state; -static inline bool selinux_initialized(const struct selinux_state *state) +static inline bool selinux_initialized(void) { /* do a synchronized load to avoid race conditions */ - return smp_load_acquire(&state->initialized); + return smp_load_acquire(&selinux_state.initialized); } -static inline void selinux_mark_initialized(struct selinux_state *state) +static inline void selinux_mark_initialized(void) { /* do a synchronized write to avoid race conditions */ - smp_store_release(&state->initialized, true); + smp_store_release(&selinux_state.initialized, true); } #ifdef CONFIG_SECURITY_SELINUX_DEVELOP -static inline bool enforcing_enabled(struct selinux_state *state) +static inline bool enforcing_enabled(void) { - return READ_ONCE(state->enforcing); + return READ_ONCE(selinux_state.enforcing); } -static inline void enforcing_set(struct selinux_state *state, bool value) +static inline void enforcing_set(bool value) { - WRITE_ONCE(state->enforcing, value); + WRITE_ONCE(selinux_state.enforcing, value); } #else -static inline bool enforcing_enabled(struct selinux_state *state) +static inline bool enforcing_enabled(void) { return true; } -static inline void enforcing_set(struct selinux_state *state, bool value) +static inline void enforcing_set(bool value) { } #endif -static inline bool checkreqprot_get(const struct selinux_state *state) +static inline bool checkreqprot_get(void) { - return READ_ONCE(state->checkreqprot); + return READ_ONCE(selinux_state.checkreqprot); } -static inline void checkreqprot_set(struct selinux_state *state, bool value) +static inline void checkreqprot_set(bool value) { if (value) pr_err("SELinux: https://github.com/SELinuxProject/selinux-kernel/wiki/DEPRECATE-checkreqprot\n"); - WRITE_ONCE(state->checkreqprot, value); + WRITE_ONCE(selinux_state.checkreqprot, value); } #ifdef CONFIG_SECURITY_SELINUX_DISABLE -static inline bool selinux_disabled(struct selinux_state *state) +static inline bool selinux_disabled(void) { - return READ_ONCE(state->disabled); + return READ_ONCE(selinux_state.disabled); } -static inline void selinux_mark_disabled(struct selinux_state *state) +static inline void selinux_mark_disabled(void) { - WRITE_ONCE(state->disabled, true); + WRITE_ONCE(selinux_state.disabled, true); } #else -static inline bool selinux_disabled(struct selinux_state *state) +static inline bool selinux_disabled(void) { return false; } @@ -237,20 +235,14 @@ struct selinux_load_state { struct selinux_policy_convert_data *convert_data; }; -int security_mls_enabled(struct selinux_state *state); -int security_load_policy(struct selinux_state *state, - void *data, size_t len, +int security_mls_enabled(void); +int security_load_policy(void *data, size_t len, struct selinux_load_state *load_state); -void selinux_policy_commit(struct selinux_state *state, - struct selinux_load_state *load_state); -void selinux_policy_cancel(struct selinux_state *state, - struct selinux_load_state *load_state); -int security_read_policy(struct selinux_state *state, - void **data, size_t *len); -int security_read_state_kernel(struct selinux_state *state, - void **data, size_t *len); -int security_policycap_supported(struct selinux_state *state, - unsigned int req_cap); +void selinux_policy_commit(struct selinux_load_state *load_state); +void selinux_policy_cancel(struct selinux_load_state *load_state); +int security_read_policy(void **data, size_t *len); +int security_read_state_kernel(void **data, size_t *len); +int security_policycap_supported(unsigned int req_cap); #define SEL_VEC_MAX 32 struct av_decision { @@ -287,94 +279,68 @@ struct extended_perms { /* definitions of av_decision.flags */ #define AVD_FLAGS_PERMISSIVE 0x0001 -void security_compute_av(struct selinux_state *state, - u32 ssid, u32 tsid, +void security_compute_av(u32 ssid, u32 tsid, u16 tclass, struct av_decision *avd, struct extended_perms *xperms); -void security_compute_xperms_decision(struct selinux_state *state, - u32 ssid, u32 tsid, u16 tclass, +void security_compute_xperms_decision(u32 ssid, u32 tsid, u16 tclass, u8 driver, struct extended_perms_decision *xpermd); -void security_compute_av_user(struct selinux_state *state, - u32 ssid, u32 tsid, +void security_compute_av_user(u32 ssid, u32 tsid, u16 tclass, struct av_decision *avd); -int security_transition_sid(struct selinux_state *state, - u32 ssid, u32 tsid, u16 tclass, +int security_transition_sid(u32 ssid, u32 tsid, u16 tclass, const struct qstr *qstr, u32 *out_sid); -int security_transition_sid_user(struct selinux_state *state, - u32 ssid, u32 tsid, u16 tclass, +int security_transition_sid_user(u32 ssid, u32 tsid, u16 tclass, const char *objname, u32 *out_sid); -int security_member_sid(struct selinux_state *state, u32 ssid, u32 tsid, - u16 tclass, u32 *out_sid); +int security_member_sid(u32 ssid, u32 tsid, u16 tclass, u32 *out_sid); -int security_change_sid(struct selinux_state *state, u32 ssid, u32 tsid, - u16 tclass, u32 *out_sid); +int security_change_sid(u32 ssid, u32 tsid, u16 tclass, u32 *out_sid); -int security_sid_to_context(struct selinux_state *state, u32 sid, - char **scontext, u32 *scontext_len); +int security_sid_to_context(u32 sid, char **scontext, u32 *scontext_len); -int security_sid_to_context_force(struct selinux_state *state, - u32 sid, char **scontext, u32 *scontext_len); +int security_sid_to_context_force(u32 sid, char **scontext, u32 *scontext_len); -int security_sid_to_context_inval(struct selinux_state *state, - u32 sid, char **scontext, u32 *scontext_len); +int security_sid_to_context_inval(u32 sid, char **scontext, u32 *scontext_len); -int security_context_to_sid(struct selinux_state *state, - const char *scontext, u32 scontext_len, +int security_context_to_sid(const char *scontext, u32 scontext_len, u32 *out_sid, gfp_t gfp); -int security_context_str_to_sid(struct selinux_state *state, - const char *scontext, u32 *out_sid, gfp_t gfp); +int security_context_str_to_sid(const char *scontext, u32 *out_sid, gfp_t gfp); -int security_context_to_sid_default(struct selinux_state *state, - const char *scontext, u32 scontext_len, +int security_context_to_sid_default(const char *scontext, u32 scontext_len, u32 *out_sid, u32 def_sid, gfp_t gfp_flags); -int security_context_to_sid_force(struct selinux_state *state, - const char *scontext, u32 scontext_len, +int security_context_to_sid_force(const char *scontext, u32 scontext_len, u32 *sid); -int security_get_user_sids(struct selinux_state *state, - u32 callsid, char *username, - u32 **sids, u32 *nel); +int security_get_user_sids(u32 callsid, char *username, u32 **sids, u32 *nel); -int security_port_sid(struct selinux_state *state, - u8 protocol, u16 port, u32 *out_sid); +int security_port_sid(u8 protocol, u16 port, u32 *out_sid); -int security_ib_pkey_sid(struct selinux_state *state, - u64 subnet_prefix, u16 pkey_num, u32 *out_sid); +int security_ib_pkey_sid(u64 subnet_prefix, u16 pkey_num, u32 *out_sid); -int security_ib_endport_sid(struct selinux_state *state, - const char *dev_name, u8 port_num, u32 *out_sid); +int security_ib_endport_sid(const char *dev_name, u8 port_num, u32 *out_sid); -int security_netif_sid(struct selinux_state *state, - char *name, u32 *if_sid); +int security_netif_sid(char *name, u32 *if_sid); -int security_node_sid(struct selinux_state *state, - u16 domain, void *addr, u32 addrlen, +int security_node_sid(u16 domain, void *addr, u32 addrlen, u32 *out_sid); -int security_validate_transition(struct selinux_state *state, - u32 oldsid, u32 newsid, u32 tasksid, +int security_validate_transition(u32 oldsid, u32 newsid, u32 tasksid, u16 tclass); -int security_validate_transition_user(struct selinux_state *state, - u32 oldsid, u32 newsid, u32 tasksid, +int security_validate_transition_user(u32 oldsid, u32 newsid, u32 tasksid, u16 tclass); -int security_bounded_transition(struct selinux_state *state, - u32 oldsid, u32 newsid); +int security_bounded_transition(u32 oldsid, u32 newsid); -int security_sid_mls_copy(struct selinux_state *state, - u32 sid, u32 mls_sid, u32 *new_sid); +int security_sid_mls_copy(u32 sid, u32 mls_sid, u32 *new_sid); -int security_net_peersid_resolve(struct selinux_state *state, - u32 nlbl_sid, u32 nlbl_type, +int security_net_peersid_resolve(u32 nlbl_sid, u32 nlbl_type, u32 xfrm_sid, u32 *peer_sid); @@ -382,8 +348,8 @@ int security_get_classes(struct selinux_policy *policy, char ***classes, int *nclasses); int security_get_permissions(struct selinux_policy *policy, char *class, char ***perms, int *nperms); -int security_get_reject_unknown(struct selinux_state *state); -int security_get_allow_unknown(struct selinux_state *state); +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 */ @@ -394,10 +360,9 @@ int security_get_allow_unknown(struct selinux_state *state); #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 selinux_state *state, struct super_block *sb); +int security_fs_use(struct super_block *sb); -int security_genfs_sid(struct selinux_state *state, - const char *fstype, const char *path, u16 sclass, +int security_genfs_sid(const char *fstype, const char *path, u16 sclass, u32 *sid); int selinux_policy_genfs_sid(struct selinux_policy *policy, @@ -405,23 +370,19 @@ int selinux_policy_genfs_sid(struct selinux_policy *policy, u32 *sid); #ifdef CONFIG_NETLABEL -int security_netlbl_secattr_to_sid(struct selinux_state *state, - struct netlbl_lsm_secattr *secattr, +int security_netlbl_secattr_to_sid(struct netlbl_lsm_secattr *secattr, u32 *sid); -int security_netlbl_sid_to_secattr(struct selinux_state *state, - u32 sid, +int security_netlbl_sid_to_secattr(u32 sid, struct netlbl_lsm_secattr *secattr); #else -static inline int security_netlbl_secattr_to_sid(struct selinux_state *state, - struct netlbl_lsm_secattr *secattr, +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(struct selinux_state *state, - u32 sid, +static inline int security_netlbl_sid_to_secattr(u32 sid, struct netlbl_lsm_secattr *secattr) { return -ENOENT; @@ -433,7 +394,7 @@ const char *security_get_initial_sid_context(u32 sid); /* * status notifier using mmap interface */ -extern struct page *selinux_kernel_status_page(struct selinux_state *state); +extern struct page *selinux_kernel_status_page(void); #define SELINUX_KERNEL_STATUS_VERSION 1 struct selinux_kernel_status { @@ -447,12 +408,10 @@ struct selinux_kernel_status { */ } __packed; -extern void selinux_status_update_setenforce(struct selinux_state *state, - int enforcing); -extern void selinux_status_update_policyload(struct selinux_state *state, - int seqno); +extern void selinux_status_update_setenforce(int enforcing); +extern void selinux_status_update_policyload(int seqno); extern void selinux_complete_init(void); -extern int selinux_disable(struct selinux_state *state); +extern int selinux_disable(void); extern void exit_sel_fs(void); extern struct path selinux_null; extern void selnl_notify_setenforce(int val); @@ -462,6 +421,6 @@ extern int selinux_nlmsg_lookup(u16 sclass, u16 nlmsg_type, u32 *perm); extern void avtab_cache_init(void); extern void ebitmap_cache_init(void); extern void hashtab_cache_init(void); -extern int security_sidtab_hash_stats(struct selinux_state *state, char *page); +extern int security_sidtab_hash_stats(char *page); #endif /* _SELINUX_SECURITY_H_ */ |