FreeBSD kernel kern code: kern/vfs_acl.c File Reference

FreeBSD kernel kern code

#include <sys/cdefs.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/sysproto.h>
#include <sys/capsicum.h>
#include <sys/fcntl.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <sys/mount.h>
#include <sys/vnode.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/namei.h>
#include <sys/file.h>
#include <sys/filedesc.h>
#include <sys/proc.h>
#include <sys/sysent.h>
#include <sys/acl.h>
#include <security/audit/audit.h>
#include <security/mac/mac_framework.h>

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Functions
	__FBSDID ("$FreeBSD$")

	CTASSERT (ACL_MAX_ENTRIES >=OLDACL_MAX_ENTRIES)

	MALLOC_DEFINE (M_ACL, "acl", "Access Control Lists")

static int	kern___acl_aclcheck_path (struct thread td, const char path, acl_type_t type, struct acl *aclp, int follow)

static int	kern___acl_delete_path (struct thread td, const char path, acl_type_t type, int follow)

static int	kern___acl_get_path (struct thread td, const char path, acl_type_t type, struct acl *aclp, int follow)

static int	kern___acl_set_path (struct thread td, const char path, acl_type_t type, const struct acl *aclp, int follow)

static int	vacl_set_acl (struct thread td, struct vnode vp, acl_type_t type, const struct acl *aclp)

static int	vacl_get_acl (struct thread td, struct vnode vp, acl_type_t type, struct acl *aclp)

static int	vacl_aclcheck (struct thread td, struct vnode vp, acl_type_t type, const struct acl *aclp)

int	acl_copy_oldacl_into_acl (const struct oldacl source, struct acl dest)

int	acl_copy_acl_into_oldacl (const struct acl source, struct oldacl dest)

static int	acl_copyin (const void user_acl, struct acl kernel_acl, acl_type_t type)

static int	acl_copyout (const struct acl kernel_acl, void user_acl, acl_type_t type)

static int	acl_type_unold (int type)

static int	vacl_delete (struct thread td, struct vnode vp, acl_type_t type)

int	sys___acl_get_file (struct thread td, struct __acl_get_file_args uap)

int	sys___acl_get_link (struct thread td, struct __acl_get_link_args uap)

int	sys___acl_set_file (struct thread td, struct __acl_set_file_args uap)

int	sys___acl_set_link (struct thread td, struct __acl_set_link_args uap)

int	sys___acl_get_fd (struct thread td, struct __acl_get_fd_args uap)

int	sys___acl_set_fd (struct thread td, struct __acl_set_fd_args uap)

int	sys___acl_delete_file (struct thread td, struct __acl_delete_file_args uap)

int	sys___acl_delete_link (struct thread td, struct __acl_delete_link_args uap)

int	sys___acl_delete_fd (struct thread td, struct __acl_delete_fd_args uap)

int	sys___acl_aclcheck_file (struct thread td, struct __acl_aclcheck_file_args uap)

int	sys___acl_aclcheck_link (struct thread td, struct __acl_aclcheck_link_args uap)

int	sys___acl_aclcheck_fd (struct thread td, struct __acl_aclcheck_fd_args uap)

struct acl *	acl_alloc (int flags)

void	acl_free (struct acl *aclp)

Function Documentation

◆ __FBSDID()

__FBSDID ( "$FreeBSD$" )

◆ acl_alloc()

struct acl * acl_alloc ( int flags )

Definition at line 581 of file vfs_acl.c.

References flags, and malloc().

Referenced by acl_nfs4_is_trivial(), vacl_aclcheck(), vacl_get_acl(), and vacl_set_acl().

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◆ acl_copy_acl_into_oldacl()

int acl_copy_acl_into_oldacl	(	const struct acl *	source,
		struct oldacl *	dest
	)

Definition at line 108 of file vfs_acl.c.

Referenced by acl_copyout().

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◆ acl_copy_oldacl_into_acl()

int acl_copy_oldacl_into_acl	(	const struct oldacl *	source,
		struct acl *	dest
	)

Definition at line 86 of file vfs_acl.c.

Referenced by acl_copyin().

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◆ acl_copyin()

static int acl_copyin	(	const void *	user_acl,
		struct acl *	kernel_acl,
		acl_type_t	type
	)

static

Definition at line 141 of file vfs_acl.c.

References acl_copy_oldacl_into_acl(), and type.

Referenced by vacl_aclcheck(), and vacl_set_acl().

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◆ acl_copyout()

static int acl_copyout	(	const struct acl *	kernel_acl,
		void *	user_acl,
		acl_type_t	type
	)

static

Definition at line 165 of file vfs_acl.c.

References acl_copy_acl_into_oldacl(), and type.

Referenced by vacl_get_acl().

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◆ acl_free()

void acl_free ( struct acl * aclp )

Definition at line 595 of file vfs_acl.c.

References free().

Referenced by acl_nfs4_is_trivial(), vacl_aclcheck(), vacl_get_acl(), and vacl_set_acl().

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◆ acl_type_unold()

static int acl_type_unold ( int type )

static

Definition at line 202 of file vfs_acl.c.

References type.

Referenced by vacl_aclcheck(), vacl_delete(), vacl_get_acl(), and vacl_set_acl().

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◆ CTASSERT()

CTASSERT ( ACL_MAX_ENTRIES >= OLDACL_MAX_ENTRIES )

◆ kern___acl_aclcheck_path()

static int kern___acl_aclcheck_path	(	struct thread *	td,
		const char *	path,
		acl_type_t	type,
		struct acl *	aclp,
		int	follow
	)

static

Definition at line 545 of file vfs_acl.c.

References namei(), NDFREE(), path, type, and vacl_aclcheck().

Referenced by sys___acl_aclcheck_file(), and sys___acl_aclcheck_link().

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◆ kern___acl_delete_path()

static int kern___acl_delete_path	(	struct thread *	td,
		const char *	path,
		acl_type_t	type,
		int	follow
	)

static

Definition at line 488 of file vfs_acl.c.

References namei(), NDFREE(), path, type, and vacl_delete().

Referenced by sys___acl_delete_file(), and sys___acl_delete_link().

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◆ kern___acl_get_path()

static int kern___acl_get_path	(	struct thread *	td,
		const char *	path,
		acl_type_t	type,
		struct acl *	aclp,
		int	follow
	)

static

Definition at line 374 of file vfs_acl.c.

References namei(), NDFREE(), path, type, and vacl_get_acl().

Referenced by sys___acl_get_file(), and sys___acl_get_link().

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◆ kern___acl_set_path()

static int kern___acl_set_path	(	struct thread *	td,
		const char *	path,
		acl_type_t	type,
		const struct acl *	aclp,
		int	follow
	)

static

Definition at line 412 of file vfs_acl.c.

References namei(), NDFREE(), path, type, and vacl_set_acl().

Referenced by sys___acl_set_file(), and sys___acl_set_link().

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◆ MALLOC_DEFINE()

MALLOC_DEFINE	(	M_ACL	,
		"acl"	,
		"Access Control Lists"
	)

◆ sys___acl_aclcheck_fd()

int sys___acl_aclcheck_fd	(	struct thread *	td,
		struct __acl_aclcheck_fd_args *	uap
	)

Definition at line 564 of file vfs_acl.c.

References getvnode(), and vacl_aclcheck().

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◆ sys___acl_aclcheck_file()

int sys___acl_aclcheck_file	(	struct thread *	td,
		struct __acl_aclcheck_file_args *	uap
	)

Definition at line 527 of file vfs_acl.c.

References kern___acl_aclcheck_path().

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◆ sys___acl_aclcheck_link()

int sys___acl_aclcheck_link	(	struct thread *	td,
		struct __acl_aclcheck_link_args *	uap
	)

Definition at line 538 of file vfs_acl.c.

References kern___acl_aclcheck_path().

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◆ sys___acl_delete_fd()

int sys___acl_delete_fd	(	struct thread *	td,
		struct __acl_delete_fd_args *	uap
	)

Definition at line 507 of file vfs_acl.c.

References getvnode(), and vacl_delete().

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◆ sys___acl_delete_file()

int sys___acl_delete_file	(	struct thread *	td,
		struct __acl_delete_file_args *	uap
	)

Definition at line 471 of file vfs_acl.c.

References kern___acl_delete_path().

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◆ sys___acl_delete_link()

int sys___acl_delete_link	(	struct thread *	td,
		struct __acl_delete_link_args *	uap
	)

Definition at line 481 of file vfs_acl.c.

References kern___acl_delete_path().

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◆ sys___acl_get_fd()

int sys___acl_get_fd	(	struct thread *	td,
		struct __acl_get_fd_args *	uap
	)

Definition at line 431 of file vfs_acl.c.

References getvnode(), and vacl_get_acl().

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◆ sys___acl_get_file()

int sys___acl_get_file	(	struct thread *	td,
		struct __acl_get_file_args *	uap
	)

Definition at line 355 of file vfs_acl.c.

References kern___acl_get_path().

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◆ sys___acl_get_link()

int sys___acl_get_link	(	struct thread *	td,
		struct __acl_get_link_args *	uap
	)

Definition at line 366 of file vfs_acl.c.

References kern___acl_get_path().

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◆ sys___acl_set_fd()

int sys___acl_set_fd	(	struct thread *	td,
		struct __acl_set_fd_args *	uap
	)

Definition at line 451 of file vfs_acl.c.

References getvnode(), and vacl_set_acl().

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◆ sys___acl_set_file()

int sys___acl_set_file	(	struct thread *	td,
		struct __acl_set_file_args *	uap
	)

Definition at line 393 of file vfs_acl.c.

References kern___acl_set_path().

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◆ sys___acl_set_link()

int sys___acl_set_link	(	struct thread *	td,
		struct __acl_set_link_args *	uap
	)

Definition at line 404 of file vfs_acl.c.

References kern___acl_set_path().

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◆ vacl_aclcheck()

static int vacl_aclcheck	(	struct thread *	td,
		struct vnode *	vp,
		acl_type_t	type,
		const struct acl *	aclp
	)

static

Definition at line 329 of file vfs_acl.c.

References acl_alloc(), acl_copyin(), acl_free(), acl_type_unold(), and type.

Referenced by kern___acl_aclcheck_path(), and sys___acl_aclcheck_fd().

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◆ vacl_delete()

static int vacl_delete	(	struct thread *	td,
		struct vnode *	vp,
		acl_type_t	type
	)

static

Definition at line 298 of file vfs_acl.c.

References acl_type_unold(), type, vn_finished_write(), and vn_start_write().

Referenced by kern___acl_delete_path(), and sys___acl_delete_fd().

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◆ vacl_get_acl()

static int vacl_get_acl	(	struct thread *	td,
		struct vnode *	vp,
		acl_type_t	type,
		struct acl *	aclp
	)

static

Definition at line 266 of file vfs_acl.c.

References acl_alloc(), acl_copyout(), acl_free(), acl_type_unold(), and type.

Referenced by kern___acl_get_path(), and sys___acl_get_fd().

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◆ vacl_set_acl()

static int vacl_set_acl	(	struct thread *	td,
		struct vnode *	vp,
		acl_type_t	type,
		const struct acl *	aclp
	)

static

Definition at line 228 of file vfs_acl.c.

References acl_alloc(), acl_copyin(), acl_free(), acl_type_unold(), type, vn_finished_write(), and vn_start_write().

Referenced by kern___acl_set_path(), and sys___acl_set_fd().

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kern
vfs_acl.c
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