1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Implementation of the security services. 4 * 5 * Author : Stephen Smalley, <sds@tycho.nsa.gov> 6 */ 7 #ifndef _SS_SERVICES_H_ 8 #define _SS_SERVICES_H_ 9 10 #include "policydb.h" 11 12 /* Mapping for a single class */ 13 struct selinux_mapping { 14 u16 value; /* policy value for class */ 15 unsigned int num_perms; /* number of permissions in class */ 16 u32 perms[sizeof(u32) * 8]; /* policy values for permissions */ 17 }; 18 19 /* Map for all of the classes, with array size */ 20 struct selinux_map { 21 struct selinux_mapping *mapping; /* indexed by class */ 22 u16 size; /* array size of mapping */ 23 }; 24 25 struct selinux_policy { 26 struct sidtab *sidtab; 27 struct policydb policydb; 28 struct selinux_map map; 29 u32 latest_granting; 30 } __randomize_layout; 31 32 struct convert_context_args { 33 struct policydb *oldp; 34 struct policydb *newp; 35 }; 36 37 void services_compute_xperms_drivers(struct extended_perms *xperms, 38 struct avtab_node *node); 39 void services_compute_xperms_decision(struct extended_perms_decision *xpermd, 40 struct avtab_node *node); 41 42 int services_convert_context(struct convert_context_args *args, 43 struct context *oldc, struct context *newc, 44 gfp_t gfp_flags); 45 46 #endif /* _SS_SERVICES_H_ */ 47