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acl.h
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/* acl.h -- definitions for access control lists
*
* Copyright (c) 1994-2008 Carnegie Mellon University. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The name "Carnegie Mellon University" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For permission or any legal
* details, please contact
* Carnegie Mellon University
* Center for Technology Transfer and Enterprise Creation
* 4615 Forbes Avenue
* Suite 302
* Pittsburgh, PA 15213
* (412) 268-7393, fax: (412) 268-7395
* innovation@andrew.cmu.edu
*
* 4. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by Computing Services
* at Carnegie Mellon University (http://www.cmu.edu/computing/)."
*
* CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* $Id: acl.h,v 1.20 2010/01/06 17:01:43 murch Exp $
*
* Author: Chris Newman
* Start Date: 6/28/93
*/
#ifndef INCLUDED_ACL_H
#define INCLUDED_ACL_H
#include "auth.h"
/* max length of an acl string */
#define ACL_MAXSTR 32
/* ACL bits */
#define ACL_LOOKUP 0x000001L
#define ACL_READ 0x000002L
#define ACL_SETSEEN 0x000004L
#define ACL_WRITE 0x000008L
#define ACL_INSERT 0x000010L
#define ACL_POST 0x000020L
#define ACL_CREATE 0x000040L
#define ACL_DELETEMBOX 0x000080L
#define ACL_DELETEMSG 0x000100L
#define ACL_EXPUNGE 0x000200L
#define ACL_ADMIN 0x000400L
#define ACL_ANNOTATEMSG 0x000800L
#define ACL_USER1 0x001000L
#define ACL_USER2 0x002000L
#define ACL_USER3 0x004000L
#define ACL_USER4 0x008000L
#define ACL_USER5 0x010000L
#define ACL_USER6 0x020000L
#define ACL_USER7 0x040000L
#define ACL_USER8 0x080000L
#define ACL_USER9 0x100000L
#define ACL_USER0 0x200000L
/* ALL: all non-user ACLs */
#define ACL_ALL (ACL_LOOKUP|ACL_READ|ACL_SETSEEN|ACL_WRITE\
|ACL_INSERT|ACL_POST|ACL_CREATE|ACL_DELETEMBOX\
|ACL_DELETEMSG|ACL_EXPUNGE|ACL_ADMIN\
|ACL_ANNOTATEMSG)
/* FULL: ALL ACLs including user ACLs */
#define ACL_FULL (ACL_USER1|ACL_USER2|ACL_USER3|ACL_USER4|ACL_USER5\
|ACL_USER6|ACL_USER7|ACL_USER8|ACL_USER9|ACL_USER0\
|ACL_ALL)
/* READ-WRITE: removed from regular ACL if you EXAMINE a mailbox,
so that nothing accidentally tries to write */
#define ACL_READ_WRITE (ACL_SETSEEN|ACL_WRITE|ACL_INSERT\
|ACL_DELETEMSG|ACL_EXPUNGE|ACL_ANNOTATEMSG)
#define ACL_MODE_SET 0
#define ACL_MODE_ADD 1
#define ACL_MODE_REMOVE 2
typedef int cyrus_acl_canonproc_t(void *rock, const char *identifier, int rights);
/* convert a string to an acl bit vector */
extern int cyrus_acl_strtomask(const char *str);
/* cyrus_acl_masktostr(acl, dst)
* convert an acl bit vector to a string
* dst must have room for 32 characters (only 20 used currently)
* returns dst
*/
extern char *cyrus_acl_masktostr(int acl, char *str);
/* cyrus_acl_myrights(acl)
* Calculate the set of rights the user in 'auth_state' has in the ACL 'acl'.
* 'acl' must be writable, but is restored to its original condition.
*/
extern int cyrus_acl_myrights(struct auth_state *auth_state, const char *acl);
/* cyrus_acl_set(acl, identifier, mode, access, canonproc, canonrock) Modify the
* ACL pointed to by 'acl' to modify the rights granted to
* 'identifier' as specified by 'mode' and the set specified in the
* mask 'access'. 'mode' is one of ACL_MODE_SET, ACL_MODE_ADD, or
* ACL_MODE_REMOVE. The pointer pointed to by 'acl' must have been
* obtained from malloc(). returns -1 on error, 0 on success */
extern int cyrus_acl_set(char **acl, const char *identifier,
int mode, int access,
cyrus_acl_canonproc_t *canonproc, void *canonrock);
/* cyrus_acl_remove(acl, identifier, canonproc, canonrock)
* Remove any entry for 'identifier' in the ACL pointed to by 'acl'.
* The pointer pointed to by 'acl' must have been obtained from malloc().
* returns -1 on error, 0 on success
*/
extern int cyrus_acl_remove(char **acl, const char *identifier,
cyrus_acl_canonproc_t *canonproc, void *canonrock);
#endif /* INCLUDED_ACL_H */

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