security.h revision 3de4bab5b9f8848a0c16a4b1ffe0452f0d670237
11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Security server interface. 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 41da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Author : Stephen Smalley, <sds@epoch.ncsc.mil> 51da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 61da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 71da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 81da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifndef _SELINUX_SECURITY_H_ 91da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define _SELINUX_SECURITY_H_ 101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 113de4bab5b9f8848a0c16a4b1ffe0452f0d670237Paul Moore#include <linux/skbuff.h> 121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "flask.h" 131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SECSID_NULL 0x00000000 /* unspecified SID */ 151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SECSID_WILD 0xffffffff /* wildcard SID */ 161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SECCLASS_NULL 0x0000 /* no class */ 171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SELINUX_MAGIC 0xf97cff8c 191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Identify specific policy version changes */ 211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define POLICYDB_VERSION_BASE 15 221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define POLICYDB_VERSION_BOOL 16 231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define POLICYDB_VERSION_IPV6 17 241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define POLICYDB_VERSION_NLCLASS 18 251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define POLICYDB_VERSION_VALIDATETRANS 19 261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define POLICYDB_VERSION_MLS 19 27782ebb992ec20b5afdd5786ee8c2f1b58b631f24Stephen Smalley#define POLICYDB_VERSION_AVTAB 20 28f3f8771420737004da55159c2f2dc0b6f483a4efDarrel Goeddel#define POLICYDB_VERSION_RANGETRANS 21 291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Range of policy versions we understand*/ 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define POLICYDB_VERSION_MIN POLICYDB_VERSION_BASE 32016b9bdb81d9c9c7800e4e224ade38d8b37669d3Stephen Smalley#ifdef CONFIG_SECURITY_SELINUX_POLICYDB_VERSION_MAX 33016b9bdb81d9c9c7800e4e224ade38d8b37669d3Stephen Smalley#define POLICYDB_VERSION_MAX CONFIG_SECURITY_SELINUX_POLICYDB_VERSION_MAX_VALUE 34016b9bdb81d9c9c7800e4e224ade38d8b37669d3Stephen Smalley#else 35f3f8771420737004da55159c2f2dc0b6f483a4efDarrel Goeddel#define POLICYDB_VERSION_MAX POLICYDB_VERSION_RANGETRANS 36016b9bdb81d9c9c7800e4e224ade38d8b37669d3Stephen Smalley#endif 371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsextern int selinux_enabled; 391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsextern int selinux_mls_enabled; 401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint security_load_policy(void * data, size_t len); 421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct av_decision { 441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 allowed; 451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 decided; 461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 auditallow; 471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 auditdeny; 481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 seqno; 491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint security_compute_av(u32 ssid, u32 tsid, 521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u16 tclass, u32 requested, 531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct av_decision *avd); 541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint security_transition_sid(u32 ssid, u32 tsid, 561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u16 tclass, u32 *out_sid); 571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint security_member_sid(u32 ssid, u32 tsid, 591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u16 tclass, u32 *out_sid); 601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint security_change_sid(u32 ssid, u32 tsid, 621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u16 tclass, u32 *out_sid); 631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint security_sid_to_context(u32 sid, char **scontext, 651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 *scontext_len); 661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint security_context_to_sid(char *scontext, u32 scontext_len, 681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 *out_sid); 691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 70f5c1d5b2aaf9a98f15a6dcdfbba1f494d0aaae52James Morrisint security_context_to_sid_default(char *scontext, u32 scontext_len, u32 *out_sid, u32 def_sid); 71f5c1d5b2aaf9a98f15a6dcdfbba1f494d0aaae52James Morris 721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint security_get_user_sids(u32 callsid, char *username, 731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 **sids, u32 *nel); 741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint security_port_sid(u16 domain, u16 type, u8 protocol, u16 port, 761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 *out_sid); 771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint security_netif_sid(char *name, u32 *if_sid, 791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 *msg_sid); 801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint security_node_sid(u16 domain, void *addr, u32 addrlen, 821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 *out_sid); 831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 843de4bab5b9f8848a0c16a4b1ffe0452f0d670237Paul Moorevoid security_skb_extlbl_sid(struct sk_buff *skb, u32 base_sid, u32 *sid); 853de4bab5b9f8848a0c16a4b1ffe0452f0d670237Paul Moore 861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint security_validate_transition(u32 oldsid, u32 newsid, u32 tasksid, 871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u16 tclass); 881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8908554d6b33e60aa8ee40bbef94505941c0eefef2Venkat Yekkiralaint security_sid_mls_copy(u32 sid, u32 mls_sid, u32 *new_sid); 9008554d6b33e60aa8ee40bbef94505941c0eefef2Venkat Yekkirala 911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SECURITY_FS_USE_XATTR 1 /* use xattr */ 921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SECURITY_FS_USE_TRANS 2 /* use transition SIDs, e.g. devpts/tmpfs */ 931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SECURITY_FS_USE_TASK 3 /* use task SIDs, e.g. pipefs/sockfs */ 941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SECURITY_FS_USE_GENFS 4 /* use the genfs support */ 951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SECURITY_FS_USE_NONE 5 /* no labeling support */ 961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SECURITY_FS_USE_MNTPOINT 6 /* use mountpoint labeling */ 971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint security_fs_use(const char *fstype, unsigned int *behavior, 991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 *sid); 1001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint security_genfs_sid(const char *fstype, char *name, u16 sclass, 1021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 *sid); 1031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif /* _SELINUX_SECURITY_H_ */ 1051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 106