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Diffstat (limited to 'libglusterfs/src/glusterfs-acl.h')
| -rw-r--r-- | libglusterfs/src/glusterfs-acl.h | 165 |
1 files changed, 0 insertions, 165 deletions
diff --git a/libglusterfs/src/glusterfs-acl.h b/libglusterfs/src/glusterfs-acl.h deleted file mode 100644 index 55f94ff0509..00000000000 --- a/libglusterfs/src/glusterfs-acl.h +++ /dev/null @@ -1,165 +0,0 @@ -/* - Copyright (c) 2013 Red Hat, Inc. <http://www.redhat.com> - This file is part of GlusterFS. - - This file is licensed to you under your choice of the GNU Lesser - General Public License, version 3 or any later version (LGPLv3 or - later), or the GNU General Public License, version 2 (GPLv2), in all - cases as published by the Free Software Foundation. -*/ - -#ifndef _GLUSTERFS_ACL_H -#define _GLUSTERFS_ACL_H - - -/* WARNING: Much if this code is restricted to Linux usage. - * - * It would be much cleaner to replace the code with something that is based on - * libacl (or its libc implementation on *BSD). - * - * Initial work for replacing this Linux specific implementation has been - * started as part of the "Improve POSIX ACLs" feature. Functionality for this - * feature has been added to the end of this file. - */ - -#include <stdint.h> -#include <sys/types.h> /* For uid_t */ - -#include "locking.h" /* For gf_lock_t in struct posix_acl_conf */ - -#define ACL_PROGRAM 100227 -#define ACLV3_VERSION 3 - -#define POSIX_ACL_MINIMAL_ACE_COUNT 3 - -#define POSIX_ACL_READ (0x04) -#define POSIX_ACL_WRITE (0x02) -#define POSIX_ACL_EXECUTE (0x01) - -#define POSIX_ACL_UNDEFINED_TAG (0x00) -#define POSIX_ACL_USER_OBJ (0x01) -#define POSIX_ACL_USER (0x02) -#define POSIX_ACL_GROUP_OBJ (0x04) -#define POSIX_ACL_GROUP (0x08) -#define POSIX_ACL_MASK (0x10) -#define POSIX_ACL_OTHER (0x20) - -#define POSIX_ACL_UNDEFINED_ID (-1) - -#define POSIX_ACL_XATTR_VERSION (0x02) - -#define POSIX_ACL_ACCESS_XATTR "system.posix_acl_access" -#define POSIX_ACL_DEFAULT_XATTR "system.posix_acl_default" - -struct posix_acl_xattr_entry { - uint16_t tag; - uint16_t perm; - uint32_t id; -}; - -struct posix_acl_xattr_header { - uint32_t version; - struct posix_acl_xattr_entry entries[]; -}; - -typedef struct posix_acl_xattr_entry posix_acl_xattr_entry; -typedef struct posix_acl_xattr_header posix_acl_xattr_header; - -static inline size_t -posix_acl_xattr_size (unsigned int count) -{ - return (sizeof(posix_acl_xattr_header) + - (count * sizeof(posix_acl_xattr_entry))); -} - -static inline ssize_t -posix_acl_xattr_count (size_t size) -{ - if (size < sizeof(posix_acl_xattr_header)) - return (-1); - size -= sizeof(posix_acl_xattr_header); - if (size % sizeof(posix_acl_xattr_entry)) - return (-1); - return (size / sizeof(posix_acl_xattr_entry)); -} - -struct posix_ace { - uint16_t tag; - uint16_t perm; - uint32_t id; -}; - - -struct posix_acl { - int refcnt; - int count; - struct posix_ace entries[]; -}; - -struct posix_acl_ctx { - uid_t uid; - gid_t gid; - mode_t perm; - struct posix_acl *acl_access; - struct posix_acl *acl_default; -}; - -struct posix_acl_conf { - gf_lock_t acl_lock; - uid_t super_uid; - struct posix_acl *minimal_acl; -}; - - -/* Above this comment, the legacy POSIX ACL support is kept until it is not - * used anymore. Below you will find the more portable version to support POSIX - * ACls based on the implementation of libacl (see sys/acl.h). */ - -/* virtual xattrs passed over RPC, not stored on disk */ -#define GF_POSIX_ACL_ACCESS "glusterfs.posix.acl" -#define GF_POSIX_ACL_DEFAULT "glusterfs.posix.default_acl" -#define GF_POSIX_ACL_REQUEST(key) \ - (!strncmp(key, GF_POSIX_ACL_ACCESS, strlen(GF_POSIX_ACL_ACCESS)) || \ - !strncmp(key, GF_POSIX_ACL_DEFAULT, strlen(GF_POSIX_ACL_DEFAULT))) - -#ifdef HAVE_SYS_ACL_H /* only NetBSD does not support POSIX ACLs */ - -#include <sys/acl.h> - -static inline const char* -gf_posix_acl_get_key (const acl_type_t type) -{ - char *acl_key = NULL; - - switch (type) { - case ACL_TYPE_ACCESS: - acl_key = GF_POSIX_ACL_ACCESS; - break; - case ACL_TYPE_DEFAULT: - acl_key = GF_POSIX_ACL_DEFAULT; - break; - default: - errno = EINVAL; - } - - return acl_key; -} - -static inline const acl_type_t -gf_posix_acl_get_type (const char *key) -{ - acl_type_t type = 0; - - if (!strncmp (key, GF_POSIX_ACL_ACCESS, strlen (GF_POSIX_ACL_ACCESS))) - type = ACL_TYPE_ACCESS; - else if (!strncmp (key, GF_POSIX_ACL_DEFAULT, - strlen (GF_POSIX_ACL_DEFAULT))) - type = ACL_TYPE_DEFAULT; - else - errno = EINVAL; - - return type; -} - -#endif /* HAVE_SYS_ACL_H */ -#endif /* _GLUSTERFS_ACL_H */ |