ca7d2b82e1
Fix a few more namespace messes and whitespace curiosities in acl.h
Fix comments in acl.h
Clean up some function prototypes from acl.h that won't be committed
before the code freeze.
Some of this kindly pointed out by: the ever patient bde
150 lines
4.8 KiB
C
150 lines
4.8 KiB
C
/*-
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* Copyright (c) 1999, 2000 Robert N. M. Watson
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/*
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* Userland/kernel interface for Access Control Lists.
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*
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* The POSIX.1e implementation page may be reached at:
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* http://www.watson.org/fbsd-hardening/posix1e/
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*/
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#ifndef _SYS_ACL_H
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#define _SYS_ACL_H
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/*
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* POSIX.1e ACL types and related constants
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*/
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#define ACL_MAX_ENTRIES 32 /* maximum entries in an ACL */
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#define _POSIX_ACL_PATH_MAX ACL_MAX_ENTRIES
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typedef int acl_type_t;
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typedef int acl_tag_t;
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typedef mode_t acl_perm_t;
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struct acl_entry {
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acl_tag_t ae_tag;
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uid_t ae_id;
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acl_perm_t ae_perm;
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};
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typedef struct acl_entry *acl_entry_t;
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struct acl {
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int acl_cnt;
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struct acl_entry acl_entry[ACL_MAX_ENTRIES];
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};
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typedef struct acl *acl_t;
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/*
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* Possible valid values for a_tag of acl_entry_t
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*/
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#define ACL_USER_OBJ 0x00000001
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#define ACL_USER 0x00000002
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#define ACL_GROUP_OBJ 0x00000004
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#define ACL_GROUP 0x00000008
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#define ACL_MASK 0x00000010
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#define ACL_OTHER 0x00000020
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#define ACL_OTHER_OBJ ACL_OTHER
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/*
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* Possible valid values a_type_t arguments
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*/
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#define ACL_TYPE_ACCESS 0x00000000
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#define ACL_TYPE_DEFAULT 0x00000001
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#define ACL_TYPE_AFS 0x00000002
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#define ACL_TYPE_CODA 0x00000003
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#define ACL_TYPE_NTFS 0x00000004
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#define ACL_TYPE_NWFS 0x00000005
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/*
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* Possible flags in a_perm field
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*/
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#define ACL_PERM_EXEC 0x0001
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#define ACL_PERM_WRITE 0x0002
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#define ACL_PERM_READ 0x0004
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#define ACL_PERM_NONE 0x0000
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#define ACL_PERM_BITS (ACL_PERM_EXEC | ACL_PERM_WRITE | ACL_PERM_READ)
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#define ACL_POSIX1E_BITS (ACL_PERM_EXEC | ACL_PERM_WRITE | ACL_PERM_READ)
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#ifdef _KERNEL
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/*
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* Storage for ACLs and support structures
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*/
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#ifdef MALLOC_DECLARE
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MALLOC_DECLARE(M_ACL);
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#endif
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#else /* !_KERNEL */
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/*
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* Syscall interface -- use the library calls instead as the syscalls
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* have strict acl entry ordering requirements
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*/
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__BEGIN_DECLS
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int __acl_aclcheck_fd(int _filedes, acl_type_t _type, struct acl *_aclp);
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int __acl_aclcheck_file(const char *_path, acl_type_t _type,
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struct acl *_aclp);
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int __acl_delete_fd(int _filedes, acl_type_t _type);
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int __acl_delete_file(const char *_path_p, acl_type_t _type);
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int __acl_get_fd(int _filedes, acl_type_t _type, struct acl *_aclp);
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int __acl_get_file(const char *_path, acl_type_t _type, struct acl *_aclp);
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int __acl_set_fd(int _filedes, acl_type_t _type, struct acl *_aclp);
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int __acl_set_file(const char *_path, acl_type_t _type, struct acl *_aclp);
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__END_DECLS
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/*
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* Supported POSIX.1e ACL manipulation and assignment/retrieval API
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* _np calls are local extensions that reflect an environment capable of
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* opening file descriptors of directories, and allowing additional
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* ACL type for different file systems (i.e., AFS)
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*/
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__BEGIN_DECLS
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int acl_delete_fd_np(int _filedes, acl_type_t _type);
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int acl_delete_file_np(const char *_path_p, acl_type_t _type);
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int acl_delete_def_file(const char *_path_p);
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acl_t acl_dup(acl_t _acl);
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int acl_free(void *_obj_p);
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acl_t acl_from_text(const char *_buf_p);
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acl_t acl_get_fd(int _fd);
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acl_t acl_get_fd_np(int fd, acl_type_t _type);
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acl_t acl_get_file(const char *_path_p, acl_type_t _type);
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acl_t acl_init(int _count);
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int acl_set_fd(int _fd, acl_t _acl);
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int acl_set_fd_np(int _fd, acl_t _acl, acl_type_t _type);
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int acl_set_file(const char *_path_p, acl_type_t _type, acl_t _acl);
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char *acl_to_text(acl_t _acl, ssize_t *_len_p);
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int acl_valid(acl_t _acl);
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int acl_valid_fd_np(int _fd, acl_type_t _type, acl_t _acl);
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int acl_valid_file_np(const char *_path_p, acl_type_t _type, acl_t _acl);
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__END_DECLS
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#endif /* !_KERNEL */
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#endif /* !_SYS_ACL_H */
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