1 /* -*- linux-c -*- */ 2 3 /* 4 * Author : Stephen Smalley, <sds (at) tycho.nsa.gov> 5 */ 6 7 #ifndef _SEPOL_POLICYDB_FLASK_TYPES_H_ 8 #define _SEPOL_POLICYDB_FLASK_TYPES_H_ 9 10 /* 11 * The basic Flask types and constants. 12 */ 13 14 #include <sys/types.h> 15 #include <stdint.h> 16 17 #ifdef __cplusplus 18 extern "C" { 19 #endif 20 21 /* 22 * A security context is a set of security attributes 23 * associated with each subject and object controlled 24 * by the security policy. The security context type 25 * is defined as a variable-length string that can be 26 * interpreted by any application or user with an 27 * understanding of the security policy. 28 */ 29 typedef char *sepol_security_context_t; 30 31 /* 32 * An access vector (AV) is a collection of related permissions 33 * for a pair of SIDs. The bits within an access vector 34 * are interpreted differently depending on the class of 35 * the object. The access vector interpretations are specified 36 * in flask/access_vectors, and the corresponding constants 37 * for permissions are defined in the automatically generated 38 * header file av_permissions.h. 39 */ 40 typedef uint32_t sepol_access_vector_t; 41 42 /* 43 * Each object class is identified by a fixed-size value. 44 * The set of security classes is specified in flask/security_classes, 45 * with the corresponding constants defined in the automatically 46 * generated header file flask.h. 47 */ 48 typedef uint16_t sepol_security_class_t; 49 #define SEPOL_SECCLASS_NULL 0x0000 /* no class */ 50 51 #define SELINUX_MAGIC 0xf97cff8c 52 #define SELINUX_MOD_MAGIC 0xf97cff8d 53 54 typedef uint32_t sepol_security_id_t; 55 #define SEPOL_SECSID_NULL 0 56 57 struct sepol_av_decision { 58 sepol_access_vector_t allowed; 59 sepol_access_vector_t decided; 60 sepol_access_vector_t auditallow; 61 sepol_access_vector_t auditdeny; 62 uint32_t seqno; 63 }; 64 65 #ifdef __cplusplus 66 } 67 #endif 68 69 #endif 70
