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policydb
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policydb.h
/* Author : Stephen Smalley, <sds@tycho.nsa.gov> */ /* * Updated: Joshua Brindle <jbrindle@tresys.com> * Karl MacMillan <kmacmillan@tresys.com> * Jason Tang <jtang@tresys.com> * * Module support * * Updated: Trusted Computer Solutions, Inc. <dgoeddel@trustedcs.com> * * Support for enhanced MLS infrastructure. * * Updated: Frank Mayer <mayerf@tresys.com> and Karl MacMillan <kmacmillan@tresys.com> * * Added conditional policy language extensions * * Updated: Red Hat, Inc. James Morris <jmorris@redhat.com> * * Fine-grained netlink support * IPv6 support * Code cleanup * * Copyright (C) 2004-2005 Trusted Computer Solutions, Inc. * Copyright (C) 2003 - 2004 Tresys Technology, LLC * Copyright (C) 2003 - 2004 Red Hat, Inc. * Copyright (C) 2017 Mellanox Techonolgies Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ /* FLASK */ /* * A policy database (policydb) specifies the * configuration data for the security policy. */ #ifndef _SEPOL_POLICYDB_POLICYDB_H_ #define _SEPOL_POLICYDB_POLICYDB_H_ #include <stdio.h> #include <stddef.h> #include <sepol/policydb.h> #include <sepol/policydb/flask_types.h> #include <sepol/policydb/symtab.h> #include <sepol/policydb/avtab.h> #include <sepol/policydb/context.h> #include <sepol/policydb/constraint.h> #include <sepol/policydb/sidtab.h> #define ERRMSG_LEN 1024 #define POLICYDB_SUCCESS 0 #define POLICYDB_ERROR -1 #define POLICYDB_UNSUPPORTED -2 #ifdef __cplusplus extern "C" { #endif #define IB_DEVICE_NAME_MAX 64 /* * A datum type is defined for each kind of symbol * in the configuration data: individual permissions, * common prefixes for access vectors, classes, * users, roles, types, sensitivities, categories, etc. */ /* type set preserves data needed by modules such as *, ~ and attributes */ typedef struct type_set { ebitmap_t types; ebitmap_t negset; #define TYPE_STAR 1 #define TYPE_COMP 2 uint32_t flags; } type_set_t; typedef struct role_set { ebitmap_t roles; #define ROLE_STAR 1 #define ROLE_COMP 2 uint32_t flags; } role_set_t; /* Permission attributes */ typedef struct perm_datum { symtab_datum_t s; } perm_datum_t; /* Attributes of a common prefix for access vectors */ typedef struct common_datum { symtab_datum_t s; symtab_t permissions; /* common permissions */ } common_datum_t; /* Class attributes */ typedef struct class_datum { symtab_datum_t s; char *comkey; /* common name */ common_datum_t *comdatum; /* common datum */ symtab_t permissions; /* class-specific permission symbol table */ constraint_node_t *constraints; /* constraints on class permissions */ constraint_node_t *validatetrans; /* special transition rules */ /* Options how a new object user and role should be decided */ #define DEFAULT_SOURCE 1 #define DEFAULT_TARGET 2 char default_user; char default_role; char default_type; /* Options how a new object range should be decided */ #define DEFAULT_SOURCE_LOW 1 #define DEFAULT_SOURCE_HIGH 2 #define DEFAULT_SOURCE_LOW_HIGH 3 #define DEFAULT_TARGET_LOW 4 #define DEFAULT_TARGET_HIGH 5 #define DEFAULT_TARGET_LOW_HIGH 6 char default_range; } class_datum_t; /* Role attributes */ typedef struct role_datum { symtab_datum_t s; ebitmap_t dominates; /* set of roles dominated by this role */ type_set_t types; /* set of authorized types for role */ ebitmap_t cache; /* This is an expanded set used for context validation during parsing */ uint32_t bounds; /* bounds role, if exist */ #define ROLE_ROLE 0 /* regular role in kernel policies */ #define ROLE_ATTRIB 1 /* attribute */ uint32_t flavor; ebitmap_t roles; /* roles with this attribute */ } role_datum_t; typedef struct role_trans { uint32_t role; /* current role */ uint32_t type; /* program executable type, or new object type */ uint32_t tclass; /* process class, or new object class */ uint32_t new_role; /* new role */ struct role_trans *next; } role_trans_t; typedef struct role_allow { uint32_t role; /* current role */ uint32_t new_role; /* new role */ struct role_allow *next; } role_allow_t; /* filename_trans rules */ typedef struct filename_trans { uint32_t stype; uint32_t ttype; uint32_t tclass; char *name; } filename_trans_t; typedef struct filename_trans_datum { uint32_t otype; /* expected of new object */ } filename_trans_datum_t; /* Type attributes */ typedef struct type_datum { symtab_datum_t s; uint32_t primary; /* primary name? can be set to primary value if below is TYPE_ */ #define TYPE_TYPE 0 /* regular type or alias in kernel policies */ #define TYPE_ATTRIB 1 /* attribute */ #define TYPE_ALIAS 2 /* alias in modular policy */ uint32_t flavor; ebitmap_t types; /* types with this attribute */ #define TYPE_FLAGS_PERMISSIVE (1 << 0) #define TYPE_FLAGS_EXPAND_ATTR_TRUE (1 << 1) #define TYPE_FLAGS_EXPAND_ATTR_FALSE (1 << 2) #define TYPE_FLAGS_EXPAND_ATTR (TYPE_FLAGS_EXPAND_ATTR_TRUE | \ TYPE_FLAGS_EXPAND_ATTR_FALSE) uint32_t flags; uint32_t bounds; /* bounds type, if exist */ } type_datum_t; /* * Properties of type_datum * available on the policy version >= (MOD_)POLICYDB_VERSION_BOUNDARY */ #define TYPEDATUM_PROPERTY_PRIMARY 0x0001 #define TYPEDATUM_PROPERTY_ATTRIBUTE 0x0002 #define TYPEDATUM_PROPERTY_ALIAS 0x0004 /* userspace only */ #define TYPEDATUM_PROPERTY_PERMISSIVE 0x0008 /* userspace only */ /* User attributes */ typedef struct user_datum { symtab_datum_t s; role_set_t roles; /* set of authorized roles for user */ mls_semantic_range_t range; /* MLS range (min. - max.) for user */ mls_semantic_level_t dfltlevel; /* default login MLS level for user */ ebitmap_t cache; /* This is an expanded set used for context validation during parsing */ mls_range_t exp_range; /* expanded range used for validation */ mls_level_t exp_dfltlevel; /* expanded range used for validation */ uint32_t bounds; /* bounds user, if exist */ } user_datum_t; /* Sensitivity attributes */ typedef struct level_datum { mls_level_t *level; /* sensitivity and associated categories */ unsigned char isalias; /* is this sensitivity an alias for another? */ unsigned char defined; } level_datum_t; /* Category attributes */ typedef struct cat_datum { symtab_datum_t s; unsigned char isalias; /* is this category an alias for another? */ } cat_datum_t; typedef struct range_trans { uint32_t source_type; uint32_t target_type; uint32_t target_class; } range_trans_t; /* Boolean data type */ typedef struct cond_bool_datum { symtab_datum_t s; int state; #define COND_BOOL_FLAGS_TUNABLE 0x01 /* is this a tunable? */ uint32_t flags; } cond_bool_datum_t; struct cond_node; typedef struct cond_node cond_list_t; struct cond_av_list; typedef struct class_perm_node { uint32_t tclass; uint32_t data; /* permissions or new type */ struct class_perm_node *next; } class_perm_node_t; #define xperm_test(x, p) (1 & (p[x >> 5] >> (x & 0x1f))) #define xperm_set(x, p) (p[x >> 5] |= (1 << (x & 0x1f))) #define xperm_clear(x, p) (p[x >> 5] &= ~(1 << (x & 0x1f))) #define EXTENDED_PERMS_LEN 8 typedef struct av_extended_perms { #define AVRULE_XPERMS_IOCTLFUNCTION 0x01 #define AVRULE_XPERMS_IOCTLDRIVER 0x02 uint8_t specified; uint8_t driver; /* 256 bits of permissions */ uint32_t perms[EXTENDED_PERMS_LEN]; } av_extended_perms_t; typedef struct avrule { /* these typedefs are almost exactly the same as those in avtab.h - they are * here because of the need to include neverallow and dontaudit messages */ #define AVRULE_ALLOWED AVTAB_ALLOWED #define AVRULE_AUDITALLOW AVTAB_AUDITALLOW #define AVRULE_AUDITDENY AVTAB_AUDITDENY #define AVRULE_DONTAUDIT 0x0008 #define AVRULE_NEVERALLOW AVTAB_NEVERALLOW #define AVRULE_AV (AVRULE_ALLOWED | AVRULE_AUDITALLOW | AVRULE_AUDITDENY | AVRULE_DONTAUDIT | AVRULE_NEVERALLOW) #define AVRULE_TRANSITION AVTAB_TRANSITION #define AVRULE_MEMBER AVTAB_MEMBER #define AVRULE_CHANGE AVTAB_CHANGE #define AVRULE_TYPE (AVRULE_TRANSITION | AVRULE_MEMBER | AVRULE_CHANGE) #define AVRULE_XPERMS_ALLOWED AVTAB_XPERMS_ALLOWED #define AVRULE_XPERMS_AUDITALLOW AVTAB_XPERMS_AUDITALLOW #define AVRULE_XPERMS_DONTAUDIT AVTAB_XPERMS_DONTAUDIT #define AVRULE_XPERMS_NEVERALLOW AVTAB_XPERMS_NEVERALLOW #define AVRULE_XPERMS (AVRULE_XPERMS_ALLOWED | AVRULE_XPERMS_AUDITALLOW | \ AVRULE_XPERMS_DONTAUDIT | AVRULE_XPERMS_NEVERALLOW) uint32_t specified; #define RULE_SELF 1 uint32_t flags; type_set_t stypes; type_set_t ttypes; class_perm_node_t *perms; av_extended_perms_t *xperms; unsigned long line; /* line number from policy.conf where * this rule originated */ /* source file name and line number (e.g. .te file) */ char *source_filename; unsigned long source_line; struct avrule *next; } avrule_t; typedef struct role_trans_rule { role_set_t roles; /* current role */ type_set_t types; /* program executable type, or new object type */ ebitmap_t classes; /* process class, or new object class */ uint32_t new_role; /* new role */ struct role_trans_rule *next; } role_trans_rule_t; typedef struct role_allow_rule { role_set_t roles; /* current role */ role_set_t new_roles; /* new roles */ struct role_allow_rule *next; } role_allow_rule_t; typedef struct filename_trans_rule { type_set_t stypes; type_set_t ttypes; uint32_t tclass; char *name; uint32_t otype; /* new type */ struct filename_trans_rule *next; } filename_trans_rule_t; typedef struct range_trans_rule { type_set_t stypes; type_set_t ttypes; ebitmap_t tclasses; mls_semantic_range_t trange; struct range_trans_rule *next; } range_trans_rule_t; /* * The configuration data includes security contexts for * initial SIDs, unlabeled file systems, TCP and UDP port numbers, * network interfaces, and nodes. This structure stores the * relevant data for one such entry. Entries of the same kind * (e.g. all initial SIDs) are linked together into a list. */ typedef struct ocontext { union { char *name; /* name of initial SID, fs, netif, fstype, path */ struct { uint8_t protocol; uint16_t low_port; uint16_t high_port; } port; /* TCP or UDP port information */ struct { uint32_t addr; /* network order */ uint32_t mask; /* network order */ } node; /* node information */ struct { uint32_t addr[4]; /* network order */ uint32_t mask[4]; /* network order */ } node6; /* IPv6 node information */ uint32_t device; uint16_t pirq; struct { uint64_t low_iomem; uint64_t high_iomem; } iomem; struct { uint32_t low_ioport; uint32_t high_ioport; } ioport; struct { uint64_t subnet_prefix; uint16_t low_pkey; uint16_t high_pkey; } ibpkey; struct { char *dev_name; uint8_t port; } ibendport; } u; union { uint32_t sclass; /* security class for genfs */ uint32_t behavior; /* labeling behavior for fs_use */ } v; context_struct_t context[2]; /* security context(s) */ sepol_security_id_t sid[2]; /* SID(s) */ struct ocontext *next; } ocontext_t; typedef struct genfs { char *fstype; struct ocontext *head; struct genfs *next; } genfs_t; /* symbol table array indices */ #define SYM_COMMONS 0 #define SYM_CLASSES 1 #define SYM_ROLES 2 #define SYM_TYPES 3 #define SYM_USERS 4 #define SYM_BOOLS 5 #define SYM_LEVELS 6 #define SYM_CATS 7 #define SYM_NUM 8 /* object context array indices */ #define OCON_ISID 0 /* initial SIDs */ #define OCON_FS 1 /* unlabeled file systems */ #define OCON_PORT 2 /* TCP and UDP port numbers */ #define OCON_NETIF 3 /* network interfaces */ #define OCON_NODE 4 /* nodes */ #define OCON_FSUSE 5 /* fs_use */ #define OCON_NODE6 6 /* IPv6 nodes */ #define OCON_IBPKEY 7 /* Infiniband PKEY */ #define OCON_IBENDPORT 8 /* Infiniband End Port */ /* object context array indices for Xen */ #define OCON_XEN_ISID 0 /* initial SIDs */ #define OCON_XEN_PIRQ 1 /* physical irqs */ #define OCON_XEN_IOPORT 2 /* io ports */ #define OCON_XEN_IOMEM 3 /* io memory */ #define OCON_XEN_PCIDEVICE 4 /* pci devices */ #define OCON_XEN_DEVICETREE 5 /* device tree node */ /* OCON_NUM needs to be the largest index in any platform's ocontext array */ #define OCON_NUM 9 /* section: module information */ /* scope_index_t holds all of the symbols that are in scope in a * particular situation. The bitmaps are indices (and thus must * subtract one) into the global policydb->scope array. */ typedef struct scope_index { ebitmap_t scope[SYM_NUM]; #define p_classes_scope scope[SYM_CLASSES] #define p_roles_scope scope[SYM_ROLES] #define p_types_scope scope[SYM_TYPES] #define p_users_scope scope[SYM_USERS] #define p_bools_scope scope[SYM_BOOLS] #define p_sens_scope scope[SYM_LEVELS] #define p_cat_scope scope[SYM_CATS] /* this array maps from class->value to the permissions within * scope. if bit (perm->value - 1) is set in map * class_perms_map[class->value - 1] then that permission is * enabled for this class within this decl. */ ebitmap_t *class_perms_map; /* total number of classes in class_perms_map array */ uint32_t class_perms_len; } scope_index_t; /* a list of declarations for a particular avrule_decl */ /* These two structs declare a block of policy that has TE and RBAC * statements and declarations. The root block (the global policy) * can never have an ELSE branch. */ typedef struct avrule_decl { uint32_t decl_id; uint32_t enabled; /* whether this block is enabled */ cond_list_t *cond_list; avrule_t *avrules; role_trans_rule_t *role_tr_rules; role_allow_rule_t *role_allow_rules; range_trans_rule_t *range_tr_rules; scope_index_t required; /* symbols needed to activate this block */ scope_index_t declared; /* symbols declared within this block */ /* type transition rules with a 'name' component */ filename_trans_rule_t *filename_trans_rules; /* for additive statements (type attribute, roles, and users) */ symtab_t symtab[SYM_NUM]; /* In a linked module this will contain the name of the module * from which this avrule_decl originated. */ char *module_name; struct avrule_decl *next; } avrule_decl_t; typedef struct avrule_block { avrule_decl_t *branch_list; avrule_decl_t *enabled; /* pointer to which branch is enabled. this is used in linking and never written to disk */ #define AVRULE_OPTIONAL 1 uint32_t flags; /* any flags for this block, currently just optional */ struct avrule_block *next; } avrule_block_t; /* Every identifier has its own scope datum. The datum describes if * the item is to be included into the final policy during * expansion. */ typedef struct scope_datum { /* Required for this decl */ #define SCOPE_REQ 1 /* Declared in this decl */ #define SCOPE_DECL 2 uint32_t scope; uint32_t *decl_ids; uint32_t decl_ids_len; /* decl_ids is a list of avrule_decl's that declare/require * this symbol. If scope==SCOPE_DECL then this is a list of * declarations. If the symbol may only be declared once * (types, bools) then decl_ids_len will be exactly 1. For * implicitly declared things (roles, users) then decl_ids_len * will be at least 1. */ } scope_datum_t; /* The policy database */ typedef struct policydb { #define POLICY_KERN SEPOL_POLICY_KERN #define POLICY_BASE SEPOL_POLICY_BASE #define POLICY_MOD SEPOL_POLICY_MOD uint32_t policy_type; char *name; char *version; int target_platform; /* Set when the policydb is modified such that writing is unsupported */ int unsupported_format; /* Whether this policydb is mls, should always be set */ int mls; /* symbol tables */ symtab_t symtab[SYM_NUM]; #define p_commons symtab[SYM_COMMONS] #define p_classes symtab[SYM_CLASSES] #define p_roles symtab[SYM_ROLES] #define p_types symtab[SYM_TYPES] #define p_users symtab[SYM_USERS] #define p_bools symtab[SYM_BOOLS] #define p_levels symtab[SYM_LEVELS] #define p_cats symtab[SYM_CATS] /* symbol names indexed by (value - 1) */ char **sym_val_to_name[SYM_NUM]; #define p_common_val_to_name sym_val_to_name[SYM_COMMONS] #define p_class_val_to_name sym_val_to_name[SYM_CLASSES] #define p_role_val_to_name sym_val_to_name[SYM_ROLES] #define p_type_val_to_name sym_val_to_name[SYM_TYPES] #define p_user_val_to_name sym_val_to_name[SYM_USERS] #define p_bool_val_to_name sym_val_to_name[SYM_BOOLS] #define p_sens_val_to_name sym_val_to_name[SYM_LEVELS] #define p_cat_val_to_name sym_val_to_name[SYM_CATS] /* class, role, and user attributes indexed by (value - 1) */ class_datum_t **class_val_to_struct; role_datum_t **role_val_to_struct; user_datum_t **user_val_to_struct; type_datum_t **type_val_to_struct; /* module stuff section -- used in parsing and for modules */ /* keep track of the scope for every identifier. these are * hash tables, where the key is the identifier name and value * a scope_datum_t. as a convenience, one may use the * p_*_macros (cf. struct scope_index_t declaration). */ symtab_t scope[SYM_NUM]; /* module rule storage */ avrule_block_t *global; /* avrule_decl index used for link/expand */ avrule_decl_t **decl_val_to_struct; /* compiled storage of rules - use for the kernel policy */ /* type enforcement access vectors and transitions */ avtab_t te_avtab; /* bools indexed by (value - 1) */ cond_bool_datum_t **bool_val_to_struct; /* type enforcement conditional access vectors and transitions */ avtab_t te_cond_avtab; /* linked list indexing te_cond_avtab by conditional */ cond_list_t *cond_list; /* role transitions */ role_trans_t *role_tr; /* role allows */ role_allow_t *role_allow; /* security contexts of initial SIDs, unlabeled file systems, TCP or UDP port numbers, network interfaces and nodes */ ocontext_t *ocontexts[OCON_NUM]; /* security contexts for files in filesystems that cannot support a persistent label mapping or use another fixed labeling behavior. */ genfs_t *genfs; /* range transitions table (range_trans_key -> mls_range) */ hashtab_t range_tr; /* file transitions with the last path component */ hashtab_t filename_trans; ebitmap_t *type_attr_map; ebitmap_t *attr_type_map; /* not saved in the binary policy */ ebitmap_t policycaps; /* this bitmap is referenced by type NOT the typical type-1 used in other bitmaps. Someday the 0 bit may be used for global permissive */ ebitmap_t permissive_map; unsigned policyvers; unsigned handle_unknown; } policydb_t; struct sepol_policydb { struct policydb p; }; extern int policydb_init(policydb_t * p); extern int policydb_from_image(sepol_handle_t * handle, void *data, size_t len, policydb_t * policydb); extern int policydb_to_image(sepol_handle_t * handle, policydb_t * policydb, void **newdata, size_t * newlen); extern int policydb_index_classes(policydb_t * p); extern int policydb_index_bools(policydb_t * p); extern int policydb_index_others(sepol_handle_t * handle, policydb_t * p, unsigned int verbose); extern int policydb_role_cache(hashtab_key_t key, hashtab_datum_t datum, void *arg); extern int policydb_user_cache(hashtab_key_t key, hashtab_datum_t datum, void *arg); extern int policydb_reindex_users(policydb_t * p); extern void policydb_destroy(policydb_t * p); extern int policydb_load_isids(policydb_t * p, sidtab_t * s); extern int policydb_sort_ocontexts(policydb_t *p); /* Deprecated */ extern int policydb_context_isvalid(const policydb_t * p, const context_struct_t * c); extern void symtabs_destroy(symtab_t * symtab); extern int scope_destroy(hashtab_key_t key, hashtab_datum_t datum, void *p); extern void class_perm_node_init(class_perm_node_t * x); extern void type_set_init(type_set_t * x); extern void type_set_destroy(type_set_t * x); extern int type_set_cpy(type_set_t * dst, type_set_t * src); extern int type_set_or_eq(type_set_t * dst, type_set_t * other); extern void role_set_init(role_set_t * x); extern void role_set_destroy(role_set_t * x); extern void avrule_init(avrule_t * x); extern void avrule_destroy(avrule_t * x); extern void avrule_list_destroy(avrule_t * x); extern void role_trans_rule_init(role_trans_rule_t * x); extern void role_trans_rule_list_destroy(role_trans_rule_t * x); extern void filename_trans_rule_init(filename_trans_rule_t * x); extern void filename_trans_rule_list_destroy(filename_trans_rule_t * x); extern void role_datum_init(role_datum_t * x); extern void role_datum_destroy(role_datum_t * x); extern void role_allow_rule_init(role_allow_rule_t * x); extern void role_allow_rule_destroy(role_allow_rule_t * x); extern void role_allow_rule_list_destroy(role_allow_rule_t * x); extern void range_trans_rule_init(range_trans_rule_t *x); extern void range_trans_rule_destroy(range_trans_rule_t *x); extern void range_trans_rule_list_destroy(range_trans_rule_t *x); extern void type_datum_init(type_datum_t * x); extern void type_datum_destroy(type_datum_t * x); extern void user_datum_init(user_datum_t * x); extern void user_datum_destroy(user_datum_t * x); extern void level_datum_init(level_datum_t * x); extern void level_datum_destroy(level_datum_t * x); extern void cat_datum_init(cat_datum_t * x); extern void cat_datum_destroy(cat_datum_t * x); extern int check_assertion(policydb_t *p, avrule_t *avrule); extern int check_assertions(sepol_handle_t * handle, policydb_t * p, avrule_t * avrules); extern int symtab_insert(policydb_t * x, uint32_t sym, hashtab_key_t key, hashtab_datum_t datum, uint32_t scope, uint32_t avrule_decl_id, uint32_t * value); /* A policy "file" may be a memory region referenced by a (data, len) pair or a file referenced by a FILE pointer. */ typedef struct policy_file { #define PF_USE_MEMORY 0 #define PF_USE_STDIO 1 #define PF_LEN 2 /* total up length in len field */ unsigned type; char *data; size_t len; size_t size; FILE *fp; struct sepol_handle *handle; } policy_file_t; struct sepol_policy_file { struct policy_file pf; }; extern void policy_file_init(policy_file_t * x); extern int policydb_read(policydb_t * p, struct policy_file *fp, unsigned int verbose); extern int avrule_read_list(policydb_t * p, avrule_t ** avrules, struct policy_file *fp); extern int policydb_write(struct policydb *p, struct policy_file *pf); extern int policydb_set_target_platform(policydb_t *p, int platform); #define PERM_SYMTAB_SIZE 32 /* 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 #define POLICYDB_VERSION_AVTAB 20 #define POLICYDB_VERSION_RANGETRANS 21 #define POLICYDB_VERSION_POLCAP 22 #define POLICYDB_VERSION_PERMISSIVE 23 #define POLICYDB_VERSION_BOUNDARY 24 #define POLICYDB_VERSION_FILENAME_TRANS 25 #define POLICYDB_VERSION_ROLETRANS 26 #define POLICYDB_VERSION_NEW_OBJECT_DEFAULTS 27 #define POLICYDB_VERSION_DEFAULT_TYPE 28 #define POLICYDB_VERSION_CONSTRAINT_NAMES 29 #define POLICYDB_VERSION_XEN_DEVICETREE 30 /* Xen-specific */ #define POLICYDB_VERSION_XPERMS_IOCTL 30 /* Linux-specific */ #define POLICYDB_VERSION_INFINIBAND 31 /* Linux-specific */ /* Range of policy versions we understand*/ #define POLICYDB_VERSION_MIN POLICYDB_VERSION_BASE #define POLICYDB_VERSION_MAX POLICYDB_VERSION_INFINIBAND /* Module versions and specific changes*/ #define MOD_POLICYDB_VERSION_BASE 4 #define MOD_POLICYDB_VERSION_VALIDATETRANS 5 #define MOD_POLICYDB_VERSION_MLS 5 #define MOD_POLICYDB_VERSION_RANGETRANS 6 #define MOD_POLICYDB_VERSION_MLS_USERS 6 #define MOD_POLICYDB_VERSION_POLCAP 7 #define MOD_POLICYDB_VERSION_PERMISSIVE 8 #define MOD_POLICYDB_VERSION_BOUNDARY 9 #define MOD_POLICYDB_VERSION_BOUNDARY_ALIAS 10 #define MOD_POLICYDB_VERSION_FILENAME_TRANS 11 #define MOD_POLICYDB_VERSION_ROLETRANS 12 #define MOD_POLICYDB_VERSION_ROLEATTRIB 13 #define MOD_POLICYDB_VERSION_TUNABLE_SEP 14 #define MOD_POLICYDB_VERSION_NEW_OBJECT_DEFAULTS 15 #define MOD_POLICYDB_VERSION_DEFAULT_TYPE 16 #define MOD_POLICYDB_VERSION_CONSTRAINT_NAMES 17 #define MOD_POLICYDB_VERSION_XPERMS_IOCTL 18 #define MOD_POLICYDB_VERSION_INFINIBAND 19 #define MOD_POLICYDB_VERSION_MIN MOD_POLICYDB_VERSION_BASE #define MOD_POLICYDB_VERSION_MAX MOD_POLICYDB_VERSION_INFINIBAND #define POLICYDB_CONFIG_MLS 1 /* macros to check policy feature */ /* TODO: add other features here */ #define policydb_has_boundary_feature(p) \ (((p)->policy_type == POLICY_KERN \ && p->policyvers >= POLICYDB_VERSION_BOUNDARY) || \ ((p)->policy_type != POLICY_KERN \ && p->policyvers >= MOD_POLICYDB_VERSION_BOUNDARY)) /* the config flags related to unknown classes/perms are bits 2 and 3 */ #define DENY_UNKNOWN SEPOL_DENY_UNKNOWN #define REJECT_UNKNOWN SEPOL_REJECT_UNKNOWN #define ALLOW_UNKNOWN SEPOL_ALLOW_UNKNOWN #define POLICYDB_CONFIG_UNKNOWN_MASK (DENY_UNKNOWN | REJECT_UNKNOWN | ALLOW_UNKNOWN) #define OBJECT_R "object_r" #define OBJECT_R_VAL 1 #define POLICYDB_MAGIC SELINUX_MAGIC #define POLICYDB_STRING "SE Linux" #define POLICYDB_XEN_STRING "XenFlask" #define POLICYDB_STRING_MAX_LENGTH 32 #define POLICYDB_MOD_MAGIC SELINUX_MOD_MAGIC #define POLICYDB_MOD_STRING "SE Linux Module" #ifdef __cplusplus } #endif #endif /* _POLICYDB_H_ */ /* FLASK */
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