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contrib/capsicum-test/capsicum-rights.h
- This file was added.
| Property | Old Value | New Value |
|---|---|---|
| svn:eol-style | null | native \ No newline at end of property |
| svn:keywords | null | FreeBSD=%H \ No newline at end of property |
| svn:mime-type | null | text/plain \ No newline at end of property |
| #ifndef __CAPSICUM_RIGHTS_H__ | |||||
| #define __CAPSICUM_RIGHTS_H__ | |||||
| #ifdef __cplusplus | |||||
| extern "C" { | |||||
| #endif | |||||
| #ifdef __FreeBSD__ | |||||
| #include <sys/param.h> | |||||
| #if __FreeBSD_version >= 1100014 || \ | |||||
| (__FreeBSD_version >= 1001511 && __FreeBSD_version < 1100000) | |||||
| #include <sys/capsicum.h> | |||||
| #else | |||||
| #include <sys/capability.h> | |||||
| #endif | |||||
| #endif | |||||
| #ifdef __linux__ | |||||
| #include <linux/capsicum.h> | |||||
| #endif | |||||
| #ifdef __cplusplus | |||||
| } | |||||
| #endif | |||||
| #ifndef CAP_RIGHTS_VERSION | |||||
| /************************************************************ | |||||
| * Capsicum compatibility layer: implement new (FreeBSD10.x) | |||||
| * rights manipulation API in terms of original (FreeBSD9.x) | |||||
| * functionality. | |||||
| ************************************************************/ | |||||
| #include <stdarg.h> | |||||
| #include <stdbool.h> | |||||
| /* Rights manipulation macros/functions. | |||||
| * Note that these use variadic macros, available in C99 / C++11 (and | |||||
| * also in earlier gcc versions). | |||||
| */ | |||||
| #define cap_rights_init(rights, ...) _cap_rights_init((rights), __VA_ARGS__, 0ULL) | |||||
| #define cap_rights_set(rights, ...) _cap_rights_set((rights), __VA_ARGS__, 0ULL) | |||||
| #define cap_rights_clear(rights, ...) _cap_rights_clear((rights), __VA_ARGS__, 0ULL) | |||||
| #define cap_rights_is_set(rights, ...) _cap_rights_is_set((rights), __VA_ARGS__, 0ULL) | |||||
| inline cap_rights_t* _cap_rights_init(cap_rights_t *rights, ...) { | |||||
| va_list ap; | |||||
| cap_rights_t right; | |||||
| *rights = 0; | |||||
| va_start(ap, rights); | |||||
| while (true) { | |||||
| right = va_arg(ap, cap_rights_t); | |||||
| *rights |= right; | |||||
| if (right == 0) break; | |||||
| } | |||||
| va_end(ap); | |||||
| return rights; | |||||
| } | |||||
| inline cap_rights_t* _cap_rights_set(cap_rights_t *rights, ...) { | |||||
| va_list ap; | |||||
| cap_rights_t right; | |||||
| va_start(ap, rights); | |||||
| while (true) { | |||||
| right = va_arg(ap, cap_rights_t); | |||||
| *rights |= right; | |||||
| if (right == 0) break; | |||||
| } | |||||
| va_end(ap); | |||||
| return rights; | |||||
| } | |||||
| inline cap_rights_t* _cap_rights_clear(cap_rights_t *rights, ...) { | |||||
| va_list ap; | |||||
| cap_rights_t right; | |||||
| va_start(ap, rights); | |||||
| while (true) { | |||||
| right = va_arg(ap, cap_rights_t); | |||||
| *rights &= ~right; | |||||
| if (right == 0) break; | |||||
| } | |||||
| va_end(ap); | |||||
| return rights; | |||||
| } | |||||
| inline bool _cap_rights_is_set(const cap_rights_t *rights, ...) { | |||||
| va_list ap; | |||||
| cap_rights_t right; | |||||
| cap_rights_t accumulated = 0; | |||||
| va_start(ap, rights); | |||||
| while (true) { | |||||
| right = va_arg(ap, cap_rights_t); | |||||
| accumulated |= right; | |||||
| if (right == 0) break; | |||||
| } | |||||
| va_end(ap); | |||||
| return (accumulated & *rights) == accumulated; | |||||
| } | |||||
| inline bool _cap_rights_is_valid(const cap_rights_t *rights) { | |||||
| return true; | |||||
| } | |||||
| inline cap_rights_t* cap_rights_merge(cap_rights_t *dst, const cap_rights_t *src) { | |||||
| *dst |= *src; | |||||
| return dst; | |||||
| } | |||||
| inline cap_rights_t* cap_rights_remove(cap_rights_t *dst, const cap_rights_t *src) { | |||||
| *dst &= ~(*src); | |||||
| return dst; | |||||
| } | |||||
| inline bool cap_rights_contains(const cap_rights_t *big, const cap_rights_t *little) { | |||||
| return ((*big) & (*little)) == (*little); | |||||
| } | |||||
| #endif /* old/new style rights manipulation */ | |||||
| #endif /*__CAPSICUM_RIGHTS_H__*/ | |||||