diff options
Diffstat (limited to 'security/selinux/include/security.h')
-rw-r--r-- | security/selinux/include/security.h | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/security/selinux/include/security.h b/security/selinux/include/security.h new file mode 100644 index 00000000000..fa187c9a351 --- /dev/null +++ b/security/selinux/include/security.h @@ -0,0 +1,97 @@ +/* + * Security server interface. + * + * Author : Stephen Smalley, <sds@epoch.ncsc.mil> + * + */ + +#ifndef _SELINUX_SECURITY_H_ +#define _SELINUX_SECURITY_H_ + +#include "flask.h" + +#define SECSID_NULL 0x00000000 /* unspecified SID */ +#define SECSID_WILD 0xffffffff /* wildcard SID */ +#define SECCLASS_NULL 0x0000 /* no class */ + +#define SELINUX_MAGIC 0xf97cff8c + +/* 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 + +/* Range of policy versions we understand*/ +#define POLICYDB_VERSION_MIN POLICYDB_VERSION_BASE +#define POLICYDB_VERSION_MAX POLICYDB_VERSION_MLS + +#ifdef CONFIG_SECURITY_SELINUX_BOOTPARAM +extern int selinux_enabled; +#else +#define selinux_enabled 1 +#endif + +extern int selinux_mls_enabled; + +int security_load_policy(void * data, size_t len); + +struct av_decision { + u32 allowed; + u32 decided; + u32 auditallow; + u32 auditdeny; + u32 seqno; +}; + +int security_compute_av(u32 ssid, u32 tsid, + u16 tclass, u32 requested, + struct av_decision *avd); + +int security_transition_sid(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(u32 ssid, u32 tsid, + u16 tclass, u32 *out_sid); + +int security_sid_to_context(u32 sid, char **scontext, + u32 *scontext_len); + +int security_context_to_sid(char *scontext, u32 scontext_len, + u32 *out_sid); + +int security_get_user_sids(u32 callsid, char *username, + u32 **sids, u32 *nel); + +int security_port_sid(u16 domain, u16 type, u8 protocol, u16 port, + u32 *out_sid); + +int security_netif_sid(char *name, u32 *if_sid, + u32 *msg_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); + +#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 */ + +int security_fs_use(const char *fstype, unsigned int *behavior, + u32 *sid); + +int security_genfs_sid(const char *fstype, char *name, u16 sclass, + u32 *sid); + +#endif /* _SELINUX_SECURITY_H_ */ + |