Differential D40676 Diff 135578 sys/kern/sys_capability.c

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sys/kern/sys_capability.c

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	#ifdef CAPABILITIES			#ifdef CAPABILITIES

	FEATURE(security_capabilities, "Capsicum Capabilities");			FEATURE(security_capabilities, "Capsicum Capabilities");

	MALLOC_DECLARE(M_FILECAPS);			MALLOC_DECLARE(M_FILECAPS);

	static inline int			static inline int
	_cap_check(const cap_rights_t havep, const cap_rights_t needp,			_cap_check(const cap_rights_t havep, const cap_rights_t needp,
	enum ktr_cap_fail_type type)			enum ktr_cap_violation type)
	{			{
				const cap_rights_t rights[] = { needp, havep };

				markjUnsubmitted Done Inline Actions Missing a newline after a variable definition. markj: Missing a newline after a variable definition.
	if (!cap_rights_contains(havep, needp)) {			if (!cap_rights_contains(havep, needp)) {
	#ifdef KTRACE			if (CAP_TRACING(curthread))
	if (KTRPOINT(curthread, KTR_CAPFAIL))			ktrcapfail(type, rights);
	ktrcapfail(type, needp, havep);
	#endif
	return (ENOTCAPABLE);			return (ENOTCAPABLE);
	}			}
	return (0);			return (0);
	}			}

	/*			/*
	* Test whether a capability grants the requested rights.			* Test whether a capability grants the requested rights.
	*/			*/
	int			int
	cap_check(const cap_rights_t havep, const cap_rights_t needp)			cap_check(const cap_rights_t havep, const cap_rights_t needp)
	{			{

	return (_cap_check(havep, needp, CAPFAIL_NOTCAPABLE));			return (_cap_check(havep, needp, CAPFAIL_NOTCAPABLE));
	}			}

	int			int
	cap_check_failed_notcapable(const cap_rights_t havep, const cap_rights_t needp)			cap_check_failed_notcapable(const cap_rights_t havep, const cap_rights_t needp)
	{			{
				const cap_rights_t rights[] = { needp, havep };

	#ifdef KTRACE			if (CAP_TRACING(curthread))
	if (KTRPOINT(curthread, KTR_CAPFAIL))			ktrcapfail(CAPFAIL_NOTCAPABLE, rights);
				markjUnsubmitted Done Inline Actions Missing a newline after a variable definition. markj: Missing a newline after a variable definition.
	ktrcapfail(CAPFAIL_NOTCAPABLE, needp, havep);
	#endif
	return (ENOTCAPABLE);			return (ENOTCAPABLE);
	}			}

	/*			/*
	* Convert capability rights into VM access flags.			* Convert capability rights into VM access flags.
	*/			*/
	vm_prot_t			vm_prot_t
	cap_rights_to_vmprot(const cap_rights_t *havep)			cap_rights_to_vmprot(const cap_rights_t *havep)
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