1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _SYS_ACL_H 27 #define _SYS_ACL_H 28 29 #include <sys/types.h> 30 #include <sys/acl_impl.h> 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 #define MAX_ACL_ENTRIES (1024) /* max entries of each type */ 37 typedef struct acl { 38 int a_type; /* the type of ACL entry */ 39 uid_t a_id; /* the entry in -uid or gid */ 40 o_mode_t a_perm; /* the permission field */ 41 } aclent_t; 42 43 typedef struct ace { 44 uid_t a_who; /* uid or gid */ 45 uint32_t a_access_mask; /* read,write,... */ 46 uint16_t a_flags; /* see below */ 47 uint16_t a_type; /* allow or deny */ 48 } ace_t; 49 50 typedef struct acl_info acl_t; 51 52 /* 53 * The following are Defined types for an aclent_t. 54 */ 55 #define USER_OBJ (0x01) /* object owner */ 56 #define USER (0x02) /* additional users */ 57 #define GROUP_OBJ (0x04) /* owning group of the object */ 58 #define GROUP (0x08) /* additional groups */ 59 #define CLASS_OBJ (0x10) /* file group class and mask entry */ 60 #define OTHER_OBJ (0x20) /* other entry for the object */ 61 #define ACL_DEFAULT (0x1000) /* default flag */ 62 /* default object owner */ 63 #define DEF_USER_OBJ (ACL_DEFAULT | USER_OBJ) 64 /* default additional users */ 65 #define DEF_USER (ACL_DEFAULT | USER) 66 /* default owning group */ 67 #define DEF_GROUP_OBJ (ACL_DEFAULT | GROUP_OBJ) 68 /* default additional groups */ 69 #define DEF_GROUP (ACL_DEFAULT | GROUP) 70 /* default mask entry */ 71 #define DEF_CLASS_OBJ (ACL_DEFAULT | CLASS_OBJ) 72 /* default other entry */ 73 #define DEF_OTHER_OBJ (ACL_DEFAULT | OTHER_OBJ) 74 75 /* 76 * The following are defined for ace_t. 77 */ 78 #define ACE_READ_DATA 0x00000001 79 #define ACE_LIST_DIRECTORY 0x00000001 80 #define ACE_WRITE_DATA 0x00000002 81 #define ACE_ADD_FILE 0x00000002 82 #define ACE_APPEND_DATA 0x00000004 83 #define ACE_ADD_SUBDIRECTORY 0x00000004 84 #define ACE_READ_NAMED_ATTRS 0x00000008 85 #define ACE_WRITE_NAMED_ATTRS 0x00000010 86 #define ACE_EXECUTE 0x00000020 87 #define ACE_DELETE_CHILD 0x00000040 88 #define ACE_READ_ATTRIBUTES 0x00000080 89 #define ACE_WRITE_ATTRIBUTES 0x00000100 90 #define ACE_DELETE 0x00010000 91 #define ACE_READ_ACL 0x00020000 92 #define ACE_WRITE_ACL 0x00040000 93 #define ACE_WRITE_OWNER 0x00080000 94 #define ACE_SYNCHRONIZE 0x00100000 95 96 #define ACE_FILE_INHERIT_ACE 0x0001 97 #define ACE_DIRECTORY_INHERIT_ACE 0x0002 98 #define ACE_NO_PROPAGATE_INHERIT_ACE 0x0004 99 #define ACE_INHERIT_ONLY_ACE 0x0008 100 #define ACE_SUCCESSFUL_ACCESS_ACE_FLAG 0x0010 101 #define ACE_FAILED_ACCESS_ACE_FLAG 0x0020 102 #define ACE_IDENTIFIER_GROUP 0x0040 103 #define ACE_INHERITED_ACE 0x0080 104 #define ACE_OWNER 0x1000 105 #define ACE_GROUP 0x2000 106 #define ACE_EVERYONE 0x4000 107 108 #define ACE_ACCESS_ALLOWED_ACE_TYPE 0x0000 109 #define ACE_ACCESS_DENIED_ACE_TYPE 0x0001 110 #define ACE_SYSTEM_AUDIT_ACE_TYPE 0x0002 111 #define ACE_SYSTEM_ALARM_ACE_TYPE 0x0003 112 113 #define ACL_AUTO_INHERIT 0x0001 114 #define ACL_PROTECTED 0x0002 115 #define ACL_DEFAULTED 0x0004 116 #define ACL_FLAGS_ALL (ACL_AUTO_INHERIT|ACL_PROTECTED| \ 117 ACL_DEFAULTED) 118 119 #ifdef _KERNEL 120 121 /* 122 * These are only applicable in a CIFS context. 123 */ 124 #define ACE_ACCESS_ALLOWED_COMPOUND_ACE_TYPE 0x04 125 #define ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE 0x05 126 #define ACE_ACCESS_DENIED_OBJECT_ACE_TYPE 0x06 127 #define ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE 0x07 128 #define ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE 0x08 129 #define ACE_ACCESS_ALLOWED_CALLBACK_ACE_TYPE 0x09 130 #define ACE_ACCESS_DENIED_CALLBACK_ACE_TYPE 0x0A 131 #define ACE_ACCESS_ALLOWED_CALLBACK_OBJECT_ACE_TYPE 0x0B 132 #define ACE_ACCESS_DENIED_CALLBACK_OBJECT_ACE_TYPE 0x0C 133 #define ACE_SYSTEM_AUDIT_CALLBACK_ACE_TYPE 0x0D 134 #define ACE_SYSTEM_ALARM_CALLBACK_ACE_TYPE 0x0E 135 #define ACE_SYSTEM_AUDIT_CALLBACK_OBJECT_ACE_TYPE 0x0F 136 #define ACE_SYSTEM_ALARM_CALLBACK_OBJECT_ACE_TYPE 0x10 137 138 #define ACE_ALL_TYPES 0x001F 139 140 typedef struct ace_object { 141 uid_t a_who; /* uid or gid */ 142 uint32_t a_access_mask; /* read,write,... */ 143 uint16_t a_flags; /* see below */ 144 uint16_t a_type; /* allow or deny */ 145 uint8_t a_obj_type[16]; /* obj type */ 146 uint8_t a_inherit_obj_type[16]; /* inherit obj */ 147 } ace_object_t; 148 149 #endif 150 151 #define ACE_ALL_PERMS (ACE_READ_DATA|ACE_LIST_DIRECTORY|ACE_WRITE_DATA| \ 152 ACE_ADD_FILE|ACE_APPEND_DATA|ACE_ADD_SUBDIRECTORY|ACE_READ_NAMED_ATTRS| \ 153 ACE_WRITE_NAMED_ATTRS|ACE_EXECUTE|ACE_DELETE_CHILD|ACE_READ_ATTRIBUTES| \ 154 ACE_WRITE_ATTRIBUTES|ACE_DELETE|ACE_READ_ACL|ACE_WRITE_ACL| \ 155 ACE_WRITE_OWNER|ACE_SYNCHRONIZE) 156 157 #define ACE_ALL_WRITE_PERMS (ACE_WRITE_DATA|ACE_APPEND_DATA| \ 158 ACE_WRITE_ATTRIBUTES|ACE_WRITE_NAMED_ATTRS|ACE_WRITE_ACL| \ 159 ACE_WRITE_OWNER|ACE_DELETE|ACE_DELETE_CHILD) 160 161 #define ACE_READ_PERMS (ACE_READ_DATA|ACE_READ_ACL|ACE_READ_ATTRIBUTES| \ 162 ACE_READ_NAMED_ATTRS) 163 164 #define ACE_WRITE_PERMS (ACE_WRITE_DATA|ACE_APPEND_DATA|ACE_WRITE_ATTRIBUTES| \ 165 ACE_WRITE_NAMED_ATTRS) 166 167 #define ACE_MODIFY_PERMS (ACE_READ_DATA|ACE_LIST_DIRECTORY|ACE_WRITE_DATA| \ 168 ACE_ADD_FILE|ACE_APPEND_DATA|ACE_ADD_SUBDIRECTORY|ACE_READ_NAMED_ATTRS| \ 169 ACE_WRITE_NAMED_ATTRS|ACE_EXECUTE|ACE_DELETE_CHILD|ACE_READ_ATTRIBUTES| \ 170 ACE_WRITE_ATTRIBUTES|ACE_DELETE|ACE_READ_ACL|ACE_SYNCHRONIZE) 171 /* 172 * The following flags are supported by both NFSv4 ACLs and ace_t. 173 */ 174 #define ACE_NFSV4_SUP_FLAGS (ACE_FILE_INHERIT_ACE | \ 175 ACE_DIRECTORY_INHERIT_ACE | \ 176 ACE_NO_PROPAGATE_INHERIT_ACE | \ 177 ACE_INHERIT_ONLY_ACE | \ 178 ACE_IDENTIFIER_GROUP) 179 180 #define ACE_TYPE_FLAGS (ACE_OWNER|ACE_GROUP|ACE_EVERYONE| \ 181 ACE_IDENTIFIER_GROUP) 182 #define ACE_INHERIT_FLAGS (ACE_FILE_INHERIT_ACE| \ 183 ACE_DIRECTORY_INHERIT_ACE|ACE_NO_PROPAGATE_INHERIT_ACE|ACE_INHERIT_ONLY_ACE) 184 185 /* cmd args to acl(2) for aclent_t */ 186 #define GETACL 1 187 #define SETACL 2 188 #define GETACLCNT 3 189 190 /* cmd's to manipulate ace acls. */ 191 #define ACE_GETACL 4 192 #define ACE_SETACL 5 193 #define ACE_GETACLCNT 6 194 195 /* minimal acl entries from GETACLCNT */ 196 #define MIN_ACL_ENTRIES 4 197 198 #if !defined(_KERNEL) 199 200 /* acl check errors */ 201 #define GRP_ERROR 1 202 #define USER_ERROR 2 203 #define OTHER_ERROR 3 204 #define CLASS_ERROR 4 205 #define DUPLICATE_ERROR 5 206 #define MISS_ERROR 6 207 #define MEM_ERROR 7 208 #define ENTRY_ERROR 8 209 210 211 /* 212 * similar to ufs_acl.h: changed to char type for user commands (tar, cpio) 213 * Attribute types 214 */ 215 #define UFSD_FREE ('0') /* Free entry */ 216 #define UFSD_ACL ('1') /* Access Control Lists */ 217 #define UFSD_DFACL ('2') /* reserved for future use */ 218 #define ACE_ACL ('3') /* ace_t style acls */ 219 220 /* 221 * flag to [f]acl_get() 222 * controls whether a trivial acl should be returned. 223 */ 224 #define ACL_NO_TRIVIAL 0x2 225 226 227 /* 228 * Flags to control acl_totext() 229 */ 230 231 #define ACL_APPEND_ID 0x1 /* append uid/gid to user/group entries */ 232 #define ACL_COMPACT_FMT 0x2 /* build ACL in ls -V format */ 233 #define ACL_NORESOLVE 0x4 /* don't do name service lookups */ 234 #define ACL_SID_FMT 0x8 /* use usersid/groupsid when appropriate */ 235 236 /* 237 * Legacy aclcheck errors for aclent_t ACLs 238 */ 239 #define EACL_GRP_ERROR GRP_ERROR 240 #define EACL_USER_ERROR USER_ERROR 241 #define EACL_OTHER_ERROR OTHER_ERROR 242 #define EACL_CLASS_ERROR CLASS_ERROR 243 #define EACL_DUPLICATE_ERROR DUPLICATE_ERROR 244 #define EACL_MISS_ERROR MISS_ERROR 245 #define EACL_MEM_ERROR MEM_ERROR 246 #define EACL_ENTRY_ERROR ENTRY_ERROR 247 248 #define EACL_INHERIT_ERROR 9 /* invalid inherit flags */ 249 #define EACL_FLAGS_ERROR 10 /* unknown flag value */ 250 #define EACL_PERM_MASK_ERROR 11 /* unknown permission */ 251 #define EACL_COUNT_ERROR 12 /* invalid acl count */ 252 253 #define EACL_INVALID_SLOT 13 /* invalid acl slot */ 254 #define EACL_NO_ACL_ENTRY 14 /* Entry doesn't exist */ 255 #define EACL_DIFF_TYPE 15 /* acls aren't same type */ 256 257 #define EACL_INVALID_USER_GROUP 16 /* need user/group name */ 258 #define EACL_INVALID_STR 17 /* invalid acl string */ 259 #define EACL_FIELD_NOT_BLANK 18 /* can't have blank field */ 260 #define EACL_INVALID_ACCESS_TYPE 19 /* invalid access type */ 261 #define EACL_UNKNOWN_DATA 20 /* Unrecognized data in ACL */ 262 #define EACL_MISSING_FIELDS 21 /* missing fields in acl */ 263 264 #define EACL_INHERIT_NOTDIR 22 /* Need dir for inheritance */ 265 266 extern int aclcheck(aclent_t *, int, int *); 267 extern int acltomode(aclent_t *, int, mode_t *); 268 extern int aclfrommode(aclent_t *, int, mode_t *); 269 extern int aclsort(int, int, aclent_t *); 270 extern char *acltotext(aclent_t *, int); 271 extern aclent_t *aclfromtext(char *, int *); 272 extern void acl_free(acl_t *); 273 extern int acl_get(const char *, int, acl_t **); 274 extern int facl_get(int, int, acl_t **); 275 extern int acl_set(const char *, acl_t *acl); 276 extern int facl_set(int, acl_t *acl); 277 extern int acl_strip(const char *, uid_t, gid_t, mode_t); 278 extern int acl_trivial(const char *); 279 extern char *acl_totext(acl_t *, int); 280 extern int acl_fromtext(const char *, acl_t **); 281 extern int acl_check(acl_t *, int); 282 283 #else /* !defined(_KERNEL) */ 284 285 extern void ksort(caddr_t, int, int, int (*)(void *, void *)); 286 extern int cmp2acls(void *, void *); 287 288 #endif /* !defined(_KERNEL) */ 289 290 #if defined(__STDC__) 291 extern int acl(const char *path, int cmd, int cnt, void *buf); 292 extern int facl(int fd, int cmd, int cnt, void *buf); 293 #else /* !__STDC__ */ 294 extern int acl(); 295 extern int facl(); 296 #endif /* defined(__STDC__) */ 297 298 #ifdef __cplusplus 299 } 300 #endif 301 302 #endif /* _SYS_ACL_H */ 303