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 114bb9398300a3a2c691e5c0ad6b9cfa78775e767eGideon Israel Dsouza#include <linux/compiler.h> 12652bb9b0d6ce007f37c098947b2cc0c45efa3f66Eric Paris#include <linux/dcache.h> 1375834fc3b6fcff00327f5d2a18760c1e8e0179c5Eric Paris#include <linux/magic.h> 142606fd1fa5710205b23ee859563502aa18362447Eric Paris#include <linux/types.h> 151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "flask.h" 161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SECSID_NULL 0x00000000 /* unspecified SID */ 181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SECSID_WILD 0xffffffff /* wildcard SID */ 191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SECCLASS_NULL 0x0000 /* no class */ 201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Identify specific policy version changes */ 221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define POLICYDB_VERSION_BASE 15 231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define POLICYDB_VERSION_BOOL 16 241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define POLICYDB_VERSION_IPV6 17 251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define POLICYDB_VERSION_NLCLASS 18 261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define POLICYDB_VERSION_VALIDATETRANS 19 271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define POLICYDB_VERSION_MLS 19 28782ebb992ec20b5afdd5786ee8c2f1b58b631f24Stephen Smalley#define POLICYDB_VERSION_AVTAB 20 29f3f8771420737004da55159c2f2dc0b6f483a4efDarrel Goeddel#define POLICYDB_VERSION_RANGETRANS 21 303bb56b25dbe0a4b44bd2ebceab6736d068e85068Paul Moore#define POLICYDB_VERSION_POLCAP 22 3164dbf07474d011540ca479a2e87fe998f570d6e3Eric Paris#define POLICYDB_VERSION_PERMISSIVE 23 32d9250dea3f89fe808a525f08888016b495240ed4KaiGai Kohei#define POLICYDB_VERSION_BOUNDARY 24 33652bb9b0d6ce007f37c098947b2cc0c45efa3f66Eric Paris#define POLICYDB_VERSION_FILENAME_TRANS 25 348023976cf4627d9f1d82ad468ec40e32eb87d211Harry Ciao#define POLICYDB_VERSION_ROLETRANS 26 35aa893269de6277b44be88e25dcd5331c934c29c4Eric Paris#define POLICYDB_VERSION_NEW_OBJECT_DEFAULTS 27 36eed7795d0a2c9b2e934afc088e903fa2c17b7958Eric Paris#define POLICYDB_VERSION_DEFAULT_TYPE 28 37a660bec1d84ad19a39e380af129e207b3b8f609eRichard Haines#define POLICYDB_VERSION_CONSTRAINT_NAMES 29 38ba733f9857b966459316d0cd33b8da2e22f62d7dJeff Vander Stoep#define POLICYDB_VERSION_IOCTL_OPERATIONS 30 391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Range of policy versions we understand*/ 411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define POLICYDB_VERSION_MIN POLICYDB_VERSION_BASE 42016b9bdb81d9c9c7800e4e224ade38d8b37669d3Stephen Smalley#ifdef CONFIG_SECURITY_SELINUX_POLICYDB_VERSION_MAX 43016b9bdb81d9c9c7800e4e224ade38d8b37669d3Stephen Smalley#define POLICYDB_VERSION_MAX CONFIG_SECURITY_SELINUX_POLICYDB_VERSION_MAX_VALUE 44016b9bdb81d9c9c7800e4e224ade38d8b37669d3Stephen Smalley#else 45ba733f9857b966459316d0cd33b8da2e22f62d7dJeff Vander Stoep#define POLICYDB_VERSION_MAX POLICYDB_VERSION_IOCTL_OPERATIONS 46016b9bdb81d9c9c7800e4e224ade38d8b37669d3Stephen Smalley#endif 471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 480d90a7ec48c704025307b129413bc62451b20ab3David P. Quigley/* Mask for just the mount related flags */ 490d90a7ec48c704025307b129413bc62451b20ab3David P. Quigley#define SE_MNTMASK 0x0f 500d90a7ec48c704025307b129413bc62451b20ab3David P. Quigley/* Super block security struct flags for mount options */ 51cfca0303da0e2c3f570cb5cfc7c373828e6c13a2Eric Paris/* BE CAREFUL, these need to be the low order bits for selinux_get_mnt_opts */ 52e0007529893c1c064be90bd21422ca0da4a0198eEric Paris#define CONTEXT_MNT 0x01 53e0007529893c1c064be90bd21422ca0da4a0198eEric Paris#define FSCONTEXT_MNT 0x02 54e0007529893c1c064be90bd21422ca0da4a0198eEric Paris#define ROOTCONTEXT_MNT 0x04 55e0007529893c1c064be90bd21422ca0da4a0198eEric Paris#define DEFCONTEXT_MNT 0x08 56cfca0303da0e2c3f570cb5cfc7c373828e6c13a2Eric Paris#define SBLABEL_MNT 0x10 570d90a7ec48c704025307b129413bc62451b20ab3David P. Quigley/* Non-mount related flags */ 58cfca0303da0e2c3f570cb5cfc7c373828e6c13a2Eric Paris#define SE_SBINITIALIZED 0x0100 59cfca0303da0e2c3f570cb5cfc7c373828e6c13a2Eric Paris#define SE_SBPROC 0x0200 600374990a32aee718d74431a108559ae67fa217f5Stephen Smalley#define SE_SBGENFS 0x0400 61e0007529893c1c064be90bd21422ca0da4a0198eEric Paris 62832cbd9aa1293cba57d06571f5fc8f0917c672afEric Paris#define CONTEXT_STR "context=" 63832cbd9aa1293cba57d06571f5fc8f0917c672afEric Paris#define FSCONTEXT_STR "fscontext=" 64832cbd9aa1293cba57d06571f5fc8f0917c672afEric Paris#define ROOTCONTEXT_STR "rootcontext=" 65832cbd9aa1293cba57d06571f5fc8f0917c672afEric Paris#define DEFCONTEXT_STR "defcontext=" 6611689d47f0957121920c9ec646eb5d838755853aDavid P. Quigley#define LABELSUPP_STR "seclabel" 67832cbd9aa1293cba57d06571f5fc8f0917c672afEric Paris 685778eabd9cdbf16ea3e40248c452b4fd25554d11Paul Moorestruct netlbl_lsm_secattr; 69bb22f58087fdf8b617803c9b65bc86c6d26b5115James Morris 701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsextern int selinux_enabled; 711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 723bb56b25dbe0a4b44bd2ebceab6736d068e85068Paul Moore/* Policy capabilities */ 733bb56b25dbe0a4b44bd2ebceab6736d068e85068Paul Mooreenum { 743bb56b25dbe0a4b44bd2ebceab6736d068e85068Paul Moore POLICYDB_CAPABILITY_NETPEER, 75b0c636b99997c8594da6a46e166ce4fcf6956fdaEric Paris POLICYDB_CAPABILITY_OPENPERM, 762be4d74f2fd45460d70d4fe65cc1972ef45bf849Chris PeBenito POLICYDB_CAPABILITY_REDHAT1, 772be4d74f2fd45460d70d4fe65cc1972ef45bf849Chris PeBenito POLICYDB_CAPABILITY_ALWAYSNETWORK, 783bb56b25dbe0a4b44bd2ebceab6736d068e85068Paul Moore __POLICYDB_CAPABILITY_MAX 793bb56b25dbe0a4b44bd2ebceab6736d068e85068Paul Moore}; 803bb56b25dbe0a4b44bd2ebceab6736d068e85068Paul Moore#define POLICYDB_CAPABILITY_MAX (__POLICYDB_CAPABILITY_MAX - 1) 813bb56b25dbe0a4b44bd2ebceab6736d068e85068Paul Moore 823bb56b25dbe0a4b44bd2ebceab6736d068e85068Paul Mooreextern int selinux_policycap_netpeer; 83b0c636b99997c8594da6a46e166ce4fcf6956fdaEric Parisextern int selinux_policycap_openperm; 842be4d74f2fd45460d70d4fe65cc1972ef45bf849Chris PeBenitoextern int selinux_policycap_alwaysnetwork; 853bb56b25dbe0a4b44bd2ebceab6736d068e85068Paul Moore 86d9250dea3f89fe808a525f08888016b495240ed4KaiGai Kohei/* 87d9250dea3f89fe808a525f08888016b495240ed4KaiGai Kohei * type_datum properties 88d9250dea3f89fe808a525f08888016b495240ed4KaiGai Kohei * available at the kernel policy version >= POLICYDB_VERSION_BOUNDARY 89d9250dea3f89fe808a525f08888016b495240ed4KaiGai Kohei */ 90d9250dea3f89fe808a525f08888016b495240ed4KaiGai Kohei#define TYPEDATUM_PROPERTY_PRIMARY 0x0001 91d9250dea3f89fe808a525f08888016b495240ed4KaiGai Kohei#define TYPEDATUM_PROPERTY_ATTRIBUTE 0x0002 92d9250dea3f89fe808a525f08888016b495240ed4KaiGai Kohei 93d9250dea3f89fe808a525f08888016b495240ed4KaiGai Kohei/* limitation of boundary depth */ 94d9250dea3f89fe808a525f08888016b495240ed4KaiGai Kohei#define POLICYDB_BOUNDS_MAXDEPTH 4 95d9250dea3f89fe808a525f08888016b495240ed4KaiGai Kohei 960719aaf5ead7555b7b7a4a080ebf2826a871384eGuido Trentalanciaint security_mls_enabled(void); 970719aaf5ead7555b7b7a4a080ebf2826a871384eGuido Trentalancia 98b19d8eae99dae42bb747954fdbb2cd456922eb5fEric Parisint security_load_policy(void *data, size_t len); 996b697323a78bed254ee372f71b1a6a2901bb4b7aEric Parisint security_read_policy(void **data, size_t *len); 100cee74f47a6baba0ac457e87687fdcf0abd599f0aEric Parissize_t security_policydb_len(void); 1011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1023bb56b25dbe0a4b44bd2ebceab6736d068e85068Paul Mooreint security_policycap_supported(unsigned int req_cap); 1033bb56b25dbe0a4b44bd2ebceab6736d068e85068Paul Moore 104e47c8fc582a2c9f3cba059e543c4a056cd6bf8c4Christopher J. PeBenito#define SEL_VEC_MAX 32 1051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct av_decision { 1061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 allowed; 1071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 auditallow; 1081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 auditdeny; 1091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 seqno; 1108a6f83afd0c5355db6d11394a798e94950306239KaiGai Kohei u32 flags; 1111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 1121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 113ba733f9857b966459316d0cd33b8da2e22f62d7dJeff Vander Stoep#define security_operation_set(perms, x) (perms[x >> 5] |= 1 << (x & 0x1f)) 114ba733f9857b966459316d0cd33b8da2e22f62d7dJeff Vander Stoep#define security_operation_test(perms, x) (1 & (perms[x >> 5] >> (x & 0x1f))) 115ba733f9857b966459316d0cd33b8da2e22f62d7dJeff Vander Stoep 116ba733f9857b966459316d0cd33b8da2e22f62d7dJeff Vander Stoepstruct operation_perm { 117ba733f9857b966459316d0cd33b8da2e22f62d7dJeff Vander Stoep u32 perms[8]; 118ba733f9857b966459316d0cd33b8da2e22f62d7dJeff Vander Stoep}; 119ba733f9857b966459316d0cd33b8da2e22f62d7dJeff Vander Stoep 120ba733f9857b966459316d0cd33b8da2e22f62d7dJeff Vander Stoepstruct operation_decision { 121ba733f9857b966459316d0cd33b8da2e22f62d7dJeff Vander Stoep u8 type; 122ba733f9857b966459316d0cd33b8da2e22f62d7dJeff Vander Stoep u8 specified; 123ba733f9857b966459316d0cd33b8da2e22f62d7dJeff Vander Stoep struct operation_perm *allowed; 124ba733f9857b966459316d0cd33b8da2e22f62d7dJeff Vander Stoep struct operation_perm *auditallow; 125ba733f9857b966459316d0cd33b8da2e22f62d7dJeff Vander Stoep struct operation_perm *dontaudit; 126ba733f9857b966459316d0cd33b8da2e22f62d7dJeff Vander Stoep}; 127ba733f9857b966459316d0cd33b8da2e22f62d7dJeff Vander Stoep 128ba733f9857b966459316d0cd33b8da2e22f62d7dJeff Vander Stoep#define OPERATION_ALLOWED 1 129ba733f9857b966459316d0cd33b8da2e22f62d7dJeff Vander Stoep#define OPERATION_AUDITALLOW 2 130ba733f9857b966459316d0cd33b8da2e22f62d7dJeff Vander Stoep#define OPERATION_DONTAUDIT 4 131ba733f9857b966459316d0cd33b8da2e22f62d7dJeff Vander Stoep#define OPERATION_ALL (OPERATION_ALLOWED | OPERATION_AUDITALLOW |\ 132ba733f9857b966459316d0cd33b8da2e22f62d7dJeff Vander Stoep OPERATION_DONTAUDIT) 133ba733f9857b966459316d0cd33b8da2e22f62d7dJeff Vander Stoepstruct operation { 134ba733f9857b966459316d0cd33b8da2e22f62d7dJeff Vander Stoep u16 len; /* length of operation decision chain */ 135ba733f9857b966459316d0cd33b8da2e22f62d7dJeff Vander Stoep u32 type[8]; /* 256 types */ 136ba733f9857b966459316d0cd33b8da2e22f62d7dJeff Vander Stoep}; 137ba733f9857b966459316d0cd33b8da2e22f62d7dJeff Vander Stoep 1388a6f83afd0c5355db6d11394a798e94950306239KaiGai Kohei/* definitions of av_decision.flags */ 1398a6f83afd0c5355db6d11394a798e94950306239KaiGai Kohei#define AVD_FLAGS_PERMISSIVE 0x0001 14064dbf07474d011540ca479a2e87fe998f570d6e3Eric Paris 14119439d05b88dafc4e55d9ffce84ccc27cf8b2bccStephen Smalleyvoid security_compute_av(u32 ssid, u32 tsid, 142ba733f9857b966459316d0cd33b8da2e22f62d7dJeff Vander Stoep u16 tclass, struct av_decision *avd, 143ba733f9857b966459316d0cd33b8da2e22f62d7dJeff Vander Stoep struct operation *ops); 144ba733f9857b966459316d0cd33b8da2e22f62d7dJeff Vander Stoep 145ba733f9857b966459316d0cd33b8da2e22f62d7dJeff Vander Stoepvoid security_compute_operation(u32 ssid, u32 tsid, u16 tclass, 146ba733f9857b966459316d0cd33b8da2e22f62d7dJeff Vander Stoep u8 type, struct operation_decision *od); 147c6d3aaa4e35c71a32a86ececacd4eea7ecfc316cStephen Smalley 14819439d05b88dafc4e55d9ffce84ccc27cf8b2bccStephen Smalleyvoid security_compute_av_user(u32 ssid, u32 tsid, 14919439d05b88dafc4e55d9ffce84ccc27cf8b2bccStephen Smalley u16 tclass, struct av_decision *avd); 1501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 151652bb9b0d6ce007f37c098947b2cc0c45efa3f66Eric Parisint security_transition_sid(u32 ssid, u32 tsid, u16 tclass, 152652bb9b0d6ce007f37c098947b2cc0c45efa3f66Eric Paris const struct qstr *qstr, u32 *out_sid); 153c6d3aaa4e35c71a32a86ececacd4eea7ecfc316cStephen Smalley 154f50a3ec961f90e38c0311411179d5dfee1412192Kohei Kaigaiint security_transition_sid_user(u32 ssid, u32 tsid, u16 tclass, 155f50a3ec961f90e38c0311411179d5dfee1412192Kohei Kaigai const char *objname, u32 *out_sid); 1561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint security_member_sid(u32 ssid, u32 tsid, 1581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u16 tclass, u32 *out_sid); 1591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint security_change_sid(u32 ssid, u32 tsid, 1611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u16 tclass, u32 *out_sid); 1621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint security_sid_to_context(u32 sid, char **scontext, 1641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 *scontext_len); 1651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16612b29f34558b9b45a2c6eabd4f3c6be939a3980fStephen Smalleyint security_sid_to_context_force(u32 sid, char **scontext, u32 *scontext_len); 16712b29f34558b9b45a2c6eabd4f3c6be939a3980fStephen Smalley 1688f0cfa52a1d4ffacd8e7de906d19662f5da58d58David Howellsint security_context_to_sid(const char *scontext, u32 scontext_len, 16952a4c6404f91f2d2c5592ee6365a8418c4565f53Nikolay Aleksandrov u32 *out_sid, gfp_t gfp); 1701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1717bf570dc8dcf76df2a9f583bef2da96d4289ed0dDavid Howellsint security_context_to_sid_default(const char *scontext, u32 scontext_len, 172869ab5147e1eead890245cfd4f652ba282b6ac26Stephen Smalley u32 *out_sid, u32 def_sid, gfp_t gfp_flags); 173f5c1d5b2aaf9a98f15a6dcdfbba1f494d0aaae52James Morris 17412b29f34558b9b45a2c6eabd4f3c6be939a3980fStephen Smalleyint security_context_to_sid_force(const char *scontext, u32 scontext_len, 17512b29f34558b9b45a2c6eabd4f3c6be939a3980fStephen Smalley u32 *sid); 17612b29f34558b9b45a2c6eabd4f3c6be939a3980fStephen Smalley 1771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint security_get_user_sids(u32 callsid, char *username, 1781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 **sids, u32 *nel); 1791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1803e11217263d0521e212cb8a017fbc2a1514db78fPaul Mooreint security_port_sid(u8 protocol, u16 port, u32 *out_sid); 1811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 182e8bfdb9d0dfc1231a6a71e849dfbd4447acdfff6Paul Mooreint security_netif_sid(char *name, u32 *if_sid); 1831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint security_node_sid(u16 domain, void *addr, u32 addrlen, 1851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 *out_sid); 1861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint security_validate_transition(u32 oldsid, u32 newsid, u32 tasksid, 188b19d8eae99dae42bb747954fdbb2cd456922eb5fEric Paris u16 tclass); 1891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 190d9250dea3f89fe808a525f08888016b495240ed4KaiGai Koheiint security_bounded_transition(u32 oldsid, u32 newsid); 191d9250dea3f89fe808a525f08888016b495240ed4KaiGai Kohei 19208554d6b33e60aa8ee40bbef94505941c0eefef2Venkat Yekkiralaint security_sid_mls_copy(u32 sid, u32 mls_sid, u32 *new_sid); 19308554d6b33e60aa8ee40bbef94505941c0eefef2Venkat Yekkirala 194220deb966ea51e0dedb6a187c0763120809f3e64Paul Mooreint security_net_peersid_resolve(u32 nlbl_sid, u32 nlbl_type, 195220deb966ea51e0dedb6a187c0763120809f3e64Paul Moore u32 xfrm_sid, 196220deb966ea51e0dedb6a187c0763120809f3e64Paul Moore u32 *peer_sid); 197220deb966ea51e0dedb6a187c0763120809f3e64Paul Moore 19855fcf09b3fe4325c9395ebbb0322a547a157ebc7Christopher J. PeBenitoint security_get_classes(char ***classes, int *nclasses); 19955fcf09b3fe4325c9395ebbb0322a547a157ebc7Christopher J. PeBenitoint security_get_permissions(char *class, char ***perms, int *nperms); 2003f12070e27b4a213d62607d2bff139793089a77dEric Parisint security_get_reject_unknown(void); 2013f12070e27b4a213d62607d2bff139793089a77dEric Parisint security_get_allow_unknown(void); 20255fcf09b3fe4325c9395ebbb0322a547a157ebc7Christopher J. PeBenito 2031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SECURITY_FS_USE_XATTR 1 /* use xattr */ 2041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SECURITY_FS_USE_TRANS 2 /* use transition SIDs, e.g. devpts/tmpfs */ 2051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SECURITY_FS_USE_TASK 3 /* use task SIDs, e.g. pipefs/sockfs */ 2061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SECURITY_FS_USE_GENFS 4 /* use the genfs support */ 2071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SECURITY_FS_USE_NONE 5 /* no labeling support */ 2081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SECURITY_FS_USE_MNTPOINT 6 /* use mountpoint labeling */ 209eb9ae686507bc5a5ca78e6b3fbe629cd5cc67864David Quigley#define SECURITY_FS_USE_NATIVE 7 /* use native label support */ 210eb9ae686507bc5a5ca78e6b3fbe629cd5cc67864David Quigley#define SECURITY_FS_USE_MAX 7 /* Highest SECURITY_FS_USE_XXX */ 2111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 212a64c54cf0811b8032fdab8c9d52576f0370837faEric Parisint security_fs_use(struct super_block *sb); 2131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint security_genfs_sid(const char *fstype, char *name, u16 sclass, 2151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 *sid); 2161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2175778eabd9cdbf16ea3e40248c452b4fd25554d11Paul Moore#ifdef CONFIG_NETLABEL 2185778eabd9cdbf16ea3e40248c452b4fd25554d11Paul Mooreint security_netlbl_secattr_to_sid(struct netlbl_lsm_secattr *secattr, 2195778eabd9cdbf16ea3e40248c452b4fd25554d11Paul Moore u32 *sid); 2205778eabd9cdbf16ea3e40248c452b4fd25554d11Paul Moore 2215778eabd9cdbf16ea3e40248c452b4fd25554d11Paul Mooreint security_netlbl_sid_to_secattr(u32 sid, 2225778eabd9cdbf16ea3e40248c452b4fd25554d11Paul Moore struct netlbl_lsm_secattr *secattr); 2235778eabd9cdbf16ea3e40248c452b4fd25554d11Paul Moore#else 2245778eabd9cdbf16ea3e40248c452b4fd25554d11Paul Moorestatic inline int security_netlbl_secattr_to_sid( 2255778eabd9cdbf16ea3e40248c452b4fd25554d11Paul Moore struct netlbl_lsm_secattr *secattr, 2265778eabd9cdbf16ea3e40248c452b4fd25554d11Paul Moore u32 *sid) 2275778eabd9cdbf16ea3e40248c452b4fd25554d11Paul Moore{ 2285778eabd9cdbf16ea3e40248c452b4fd25554d11Paul Moore return -EIDRM; 2295778eabd9cdbf16ea3e40248c452b4fd25554d11Paul Moore} 2305778eabd9cdbf16ea3e40248c452b4fd25554d11Paul Moore 2315778eabd9cdbf16ea3e40248c452b4fd25554d11Paul Moorestatic inline int security_netlbl_sid_to_secattr(u32 sid, 2325778eabd9cdbf16ea3e40248c452b4fd25554d11Paul Moore struct netlbl_lsm_secattr *secattr) 2335778eabd9cdbf16ea3e40248c452b4fd25554d11Paul Moore{ 2345778eabd9cdbf16ea3e40248c452b4fd25554d11Paul Moore return -ENOENT; 2355778eabd9cdbf16ea3e40248c452b4fd25554d11Paul Moore} 2365778eabd9cdbf16ea3e40248c452b4fd25554d11Paul Moore#endif /* CONFIG_NETLABEL */ 2375778eabd9cdbf16ea3e40248c452b4fd25554d11Paul Moore 238f0ee2e467ffa68c3122128b704c1540ee294b748James Carterconst char *security_get_initial_sid_context(u32 sid); 239f0ee2e467ffa68c3122128b704c1540ee294b748James Carter 240119041672592d1890d89dd8f194bd0919d801dc8KaiGai Kohei/* 241119041672592d1890d89dd8f194bd0919d801dc8KaiGai Kohei * status notifier using mmap interface 242119041672592d1890d89dd8f194bd0919d801dc8KaiGai Kohei */ 243119041672592d1890d89dd8f194bd0919d801dc8KaiGai Koheiextern struct page *selinux_kernel_status_page(void); 244119041672592d1890d89dd8f194bd0919d801dc8KaiGai Kohei 245119041672592d1890d89dd8f194bd0919d801dc8KaiGai Kohei#define SELINUX_KERNEL_STATUS_VERSION 1 24636f7f28416c97dbb725154930066d115b4447e17KaiGai Koheistruct selinux_kernel_status { 247119041672592d1890d89dd8f194bd0919d801dc8KaiGai Kohei u32 version; /* version number of thie structure */ 248119041672592d1890d89dd8f194bd0919d801dc8KaiGai Kohei u32 sequence; /* sequence number of seqlock logic */ 249119041672592d1890d89dd8f194bd0919d801dc8KaiGai Kohei u32 enforcing; /* current setting of enforcing mode */ 250119041672592d1890d89dd8f194bd0919d801dc8KaiGai Kohei u32 policyload; /* times of policy reloaded */ 251119041672592d1890d89dd8f194bd0919d801dc8KaiGai Kohei u32 deny_unknown; /* current setting of deny_unknown */ 252119041672592d1890d89dd8f194bd0919d801dc8KaiGai Kohei /* 253119041672592d1890d89dd8f194bd0919d801dc8KaiGai Kohei * The version > 0 supports above members. 254119041672592d1890d89dd8f194bd0919d801dc8KaiGai Kohei */ 2554bb9398300a3a2c691e5c0ad6b9cfa78775e767eGideon Israel Dsouza} __packed; 256119041672592d1890d89dd8f194bd0919d801dc8KaiGai Kohei 257119041672592d1890d89dd8f194bd0919d801dc8KaiGai Koheiextern void selinux_status_update_setenforce(int enforcing); 258119041672592d1890d89dd8f194bd0919d801dc8KaiGai Koheiextern void selinux_status_update_policyload(int seqno); 259cc59a582d6081b296e481b8bc9676b5c2faad818James Morrisextern void selinux_complete_init(void); 26058982b74832917405a483a22beede729e3175376James Morrisextern int selinux_disable(void); 261ad3fa08c4ff84ed87649d72e8497735c85561a3dJames Morrisextern void exit_sel_fs(void); 262765927b2d508712d320c8934db963bbe14c3fcecAl Viroextern struct path selinux_null; 263ad3fa08c4ff84ed87649d72e8497735c85561a3dJames Morrisextern struct vfsmount *selinuxfs_mount; 2646a3fbe81179c85eb53054a0f4c8423ffec0276a7James Morrisextern void selnl_notify_setenforce(int val); 2656a3fbe81179c85eb53054a0f4c8423ffec0276a7James Morrisextern void selnl_notify_policyload(u32 seqno); 2666a3fbe81179c85eb53054a0f4c8423ffec0276a7James Morrisextern int selinux_nlmsg_lookup(u16 sclass, u16 nlmsg_type, u32 *perm); 267119041672592d1890d89dd8f194bd0919d801dc8KaiGai Kohei 2681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif /* _SELINUX_SECURITY_H_ */ 2691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 270