/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 2013 Olaf Wintermann. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _CONFIG_ACL_H
#define _CONFIG_ACL_H
#include "conf.h"
#include <inttypes.h>
#ifdef __cplusplus
extern "C" {
#endif
#define CFG_ACE_ADD(list_begin, elm) \
cx_linked_list_add((void**)list_begin, NULL, -1, offsetof(ACEConfig, next), elm)
#define CFG_ACE_LIST_SIZE(list) \
cx_linked_list_size(list, offsetof(ACEConfig, next))
typedef struct _acl_conf ACLConfig;
typedef struct _ace_conf ACEConfig;
typedef struct _acl_file {
ConfigParser parser;
CxList *namedACLs; // ACLConfig list
CxList *uriACLs; // ACLConfig list
CxList *pathACLs; // ACLConfig list
// temp data
ACLConfig *cur;
} ACLFile;
struct _acl_conf {
cxmutstr id; // name, uri or path
cxmutstr type; // webserver ACL or file system ACL
ConfigParam *authparam; // authentication parameters
ACEConfig *entries; // ACEConfig list
};
struct _ace_conf {
cxmutstr who;
uint32_t access_mask;
uint16_t flags;
uint16_t type;
ACEConfig *next;
};
/*
* the flags are a duplicate of the webserver's acl flags
*/
/*
* access permissions
*/
#define ACLCFG_READ_DATA 0x0001
#define ACLCFG_WRITE_DATA 0x0002
#define ACLCFG_APPEND 0x0002
#define ACLCFG_ADD_FILE 0x0004
#define ACLCFG_ADD_SUBDIRECTORY 0x0004
#define ACLCFG_READ_XATTR 0x0008
#define ACLCFG_WRITE_XATTR 0x0010
#define ACLCFG_EXECUTE 0x0020
#define ACLCFG_DELETE_CHILD 0x0040
#define ACLCFG_DELETE 0x0040
#define ACLCFG_READ_ATTRIBUTES 0x0080
#define ACLCFG_WRITE_ATTRIBUTES 0x0100
#define ACLCFG_LIST 0x0200
#define ACLCFG_READ_ACL 0x0400
#define ACLCFG_WRITE_ACL 0x0800
#define ACLCFG_WRITE_OWNER 0x1000
#define ACLCFG_SYNCHRONIZE 0x2000
#define ACLCFG_READ \
(ACLCFG_READ_DATA|ACLCFG_READ_XATTR|ACLCFG_READ_ATTRIBUTES)
#define ACLCFG_WRITE \
(ACLCFG_WRITE_DATA|ACLCFG_ADD_FILE|ACLCFG_WRITE_XATTR|ACLCFG_WRITE_ATTRIBUTES)
/*
* ace flags
*/
#define ACLCFG_FILE_INHERIT 0x0001
#define ACLCFG_DIR_INHERIT 0x0002
#define ACLCFG_NO_PROPAGATE 0x0004
#define ACLCFG_INHERIT_ONLY 0x0008
#define ACLCFG_SUCCESSFUL_ACCESS_FLAG 0x0010
#define ACLCFG_FAILED_ACCESS_ACE_FLAG 0x0020
#define ACLCFG_IDENTIFIER_GROUP 0x0040
#define ACLCFG_OWNER 0x1000
#define ACLCFG_GROUP 0x2000
#define ACLCFG_EVERYONE 0x4000
/*
* ace type
*/
#define ACLCFG_TYPE_ALLOWED 0x01
#define ACLCFG_TYPE_DENIED 0x02
#define ACLCFG_TYPE_AUDIT 0x03
#define ACLCFG_TYPE_ALARM 0x04
ACLFile* load_acl_file(const char *file);
void free_acl_file(ACLFile *aclfile);
int acl_parse(void *p, ConfigLine *begin, ConfigLine *end, cxmutstr line);
int parse_ace(ACLFile *f, cxmutstr line);
/*
* converts a access right string to an integer value
*/
uint32_t accstr2int(cxstring access);
#ifdef __cplusplus
}
#endif
#endif /* _CONFIG_ACL_H */