diff options
Diffstat (limited to 'ANDROID_3.4.5/security/selinux/ss/constraint.h')
-rw-r--r-- | ANDROID_3.4.5/security/selinux/ss/constraint.h | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/ANDROID_3.4.5/security/selinux/ss/constraint.h b/ANDROID_3.4.5/security/selinux/ss/constraint.h deleted file mode 100644 index 149dda73..00000000 --- a/ANDROID_3.4.5/security/selinux/ss/constraint.h +++ /dev/null @@ -1,61 +0,0 @@ -/* - * A constraint is a condition that must be satisfied in - * order for one or more permissions to be granted. - * Constraints are used to impose additional restrictions - * beyond the type-based rules in `te' or the role-based - * transition rules in `rbac'. Constraints are typically - * used to prevent a process from transitioning to a new user - * identity or role unless it is in a privileged type. - * Constraints are likewise typically used to prevent a - * process from labeling an object with a different user - * identity. - * - * Author : Stephen Smalley, <sds@epoch.ncsc.mil> - */ -#ifndef _SS_CONSTRAINT_H_ -#define _SS_CONSTRAINT_H_ - -#include "ebitmap.h" - -#define CEXPR_MAXDEPTH 5 - -struct constraint_expr { -#define CEXPR_NOT 1 /* not expr */ -#define CEXPR_AND 2 /* expr and expr */ -#define CEXPR_OR 3 /* expr or expr */ -#define CEXPR_ATTR 4 /* attr op attr */ -#define CEXPR_NAMES 5 /* attr op names */ - u32 expr_type; /* expression type */ - -#define CEXPR_USER 1 /* user */ -#define CEXPR_ROLE 2 /* role */ -#define CEXPR_TYPE 4 /* type */ -#define CEXPR_TARGET 8 /* target if set, source otherwise */ -#define CEXPR_XTARGET 16 /* special 3rd target for validatetrans rule */ -#define CEXPR_L1L2 32 /* low level 1 vs. low level 2 */ -#define CEXPR_L1H2 64 /* low level 1 vs. high level 2 */ -#define CEXPR_H1L2 128 /* high level 1 vs. low level 2 */ -#define CEXPR_H1H2 256 /* high level 1 vs. high level 2 */ -#define CEXPR_L1H1 512 /* low level 1 vs. high level 1 */ -#define CEXPR_L2H2 1024 /* low level 2 vs. high level 2 */ - u32 attr; /* attribute */ - -#define CEXPR_EQ 1 /* == or eq */ -#define CEXPR_NEQ 2 /* != */ -#define CEXPR_DOM 3 /* dom */ -#define CEXPR_DOMBY 4 /* domby */ -#define CEXPR_INCOMP 5 /* incomp */ - u32 op; /* operator */ - - struct ebitmap names; /* names */ - - struct constraint_expr *next; /* next expression */ -}; - -struct constraint_node { - u32 permissions; /* constrained permissions */ - struct constraint_expr *expr; /* constraint on permissions */ - struct constraint_node *next; /* next constraint */ -}; - -#endif /* _SS_CONSTRAINT_H_ */ |