lib/sysacls.h

   1 /*
   2  * Unix SMB/Netbios implementation.
   3  * Version 2.2.x
   4  * Portable SMB ACL interface
   5  * Copyright (C) Jeremy Allison 2000
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 3 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * with this program; if not, visit the http://fsf.org website.
  19  */
  20
  21 #ifdef SUPPORT_ACLS
  22
  23 #ifdef HAVE_SYS_ACL_H
  24 #include <sys/acl.h>
  25 #endif
  26 #ifdef HAVE_ACL_LIBACL_H
  27 #include <acl/libacl.h>
  28 #endif
  29
  30 #define SMB_MALLOC(cnt) new_array(char, cnt)
  31 #define SMB_MALLOC_P(obj) new_array(obj, 1)
  32 #define SMB_MALLOC_ARRAY(obj, cnt) new_array(obj, cnt)
  33 #define SMB_REALLOC(mem, cnt) realloc_array(mem, char, cnt)
  34 #define slprintf snprintf
  35
  36 #if defined HAVE_POSIX_ACLS /*-----------------------------------------------*/
  37
  38 /* This is an identity mapping (just remove the SMB_). */
  39
  40 #define SMB_ACL_TAG_T           acl_tag_t
  41 #define SMB_ACL_TYPE_T          acl_type_t
  42
  43 /* Types of ACLs. */
  44 #define SMB_ACL_USER            ACL_USER
  45 #define SMB_ACL_USER_OBJ        ACL_USER_OBJ
  46 #define SMB_ACL_GROUP           ACL_GROUP
  47 #define SMB_ACL_GROUP_OBJ       ACL_GROUP_OBJ
  48 #define SMB_ACL_OTHER           ACL_OTHER
  49 #define SMB_ACL_MASK            ACL_MASK
  50
  51 #define SMB_ACL_T               acl_t
  52
  53 #define SMB_ACL_ENTRY_T         acl_entry_t
  54
  55 #define SMB_ACL_FIRST_ENTRY     ACL_FIRST_ENTRY
  56 #define SMB_ACL_NEXT_ENTRY      ACL_NEXT_ENTRY
  57
  58 #define SMB_ACL_TYPE_ACCESS     ACL_TYPE_ACCESS
  59 #define SMB_ACL_TYPE_DEFAULT    ACL_TYPE_DEFAULT
  60
  61 #define SMB_ACL_VALID_NAME_BITS (4 | 2 | 1)
  62 #define SMB_ACL_VALID_OBJ_BITS  (4 | 2 | 1)
  63
  64 #define SMB_ACL_NEED_SORT
  65
  66 #elif defined HAVE_TRU64_ACLS /*---------------------------------------------*/
  67
  68 /* This is for DEC/Compaq Tru64 UNIX */
  69
  70 #define SMB_ACL_TAG_T           acl_tag_t
  71 #define SMB_ACL_TYPE_T          acl_type_t
  72
  73 /* Types of ACLs. */
  74 #define SMB_ACL_USER            ACL_USER
  75 #define SMB_ACL_USER_OBJ        ACL_USER_OBJ
  76 #define SMB_ACL_GROUP           ACL_GROUP
  77 #define SMB_ACL_GROUP_OBJ       ACL_GROUP_OBJ
  78 #define SMB_ACL_OTHER           ACL_OTHER
  79 #define SMB_ACL_MASK            ACL_MASK
  80
  81 #define SMB_ACL_T               acl_t
  82
  83 #define SMB_ACL_ENTRY_T         acl_entry_t
  84
  85 #define SMB_ACL_FIRST_ENTRY     0
  86 #define SMB_ACL_NEXT_ENTRY      1
  87
  88 #define SMB_ACL_TYPE_ACCESS     ACL_TYPE_ACCESS
  89 #define SMB_ACL_TYPE_DEFAULT    ACL_TYPE_DEFAULT
  90
  91 #define SMB_ACL_VALID_NAME_BITS (4 | 2 | 1)
  92 #define SMB_ACL_VALID_OBJ_BITS  (4 | 2 | 1)
  93
  94 #define SMB_ACL_NEED_SORT
  95
  96 #elif defined HAVE_UNIXWARE_ACLS || defined HAVE_SOLARIS_ACLS /*-------------*/
  97
  98 /* Donated by Michael Davidson <md@sco.COM> for UnixWare / OpenUNIX.
  99  * Modified by Toomas Soome <tsoome@ut.ee> for Solaris.  */
 100
 101 /* SVR4.2 ES/MP ACLs */
 102 typedef int SMB_ACL_TAG_T;
 103 typedef int SMB_ACL_TYPE_T;
 104
 105 /* Types of ACLs. */
 106 #define SMB_ACL_USER            USER
 107 #define SMB_ACL_USER_OBJ        USER_OBJ
 108 #define SMB_ACL_GROUP           GROUP
 109 #define SMB_ACL_GROUP_OBJ       GROUP_OBJ
 110 #define SMB_ACL_OTHER           OTHER_OBJ
 111 #define SMB_ACL_MASK            CLASS_OBJ
 112
 113 typedef struct SMB_ACL_T {
 114         int size;
 115         int count;
 116         int next;
 117         struct acl acl[1];
 118 } *SMB_ACL_T;
 119
 120 typedef struct acl *SMB_ACL_ENTRY_T;
 121
 122 #define SMB_ACL_FIRST_ENTRY     0
 123 #define SMB_ACL_NEXT_ENTRY      1
 124
 125 #define SMB_ACL_TYPE_ACCESS     0
 126 #define SMB_ACL_TYPE_DEFAULT    1
 127
 128 #define SMB_ACL_VALID_NAME_BITS (4 | 2 | 1)
 129 #define SMB_ACL_VALID_OBJ_BITS  (4 | 2 | 1)
 130
 131 #define SMB_ACL_NEED_SORT
 132
 133 #ifdef __CYGWIN__
 134 #define SMB_ACL_LOSES_SPECIAL_MODE_BITS
 135 #endif
 136
 137 #elif defined HAVE_HPUX_ACLS /*----------------------------------------------*/
 138
 139 /* Based on the Solaris & UnixWare code. */
 140
 141 #undef GROUP
 142 #include <sys/aclv.h>
 143
 144 /* SVR4.2 ES/MP ACLs */
 145 typedef int SMB_ACL_TAG_T;
 146 typedef int SMB_ACL_TYPE_T;
 147
 148 /* Types of ACLs. */
 149 #define SMB_ACL_USER            USER
 150 #define SMB_ACL_USER_OBJ        USER_OBJ
 151 #define SMB_ACL_GROUP           GROUP
 152 #define SMB_ACL_GROUP_OBJ       GROUP_OBJ
 153 #define SMB_ACL_OTHER           OTHER_OBJ
 154 #define SMB_ACL_MASK            CLASS_OBJ
 155
 156 typedef struct SMB_ACL_T {
 157         int size;
 158         int count;
 159         int next;
 160         struct acl acl[1];
 161 } *SMB_ACL_T;
 162
 163 typedef struct acl *SMB_ACL_ENTRY_T;
 164
 165 #define SMB_ACL_FIRST_ENTRY     0
 166 #define SMB_ACL_NEXT_ENTRY      1
 167
 168 #define SMB_ACL_TYPE_ACCESS     0
 169 #define SMB_ACL_TYPE_DEFAULT    1
 170
 171 #define SMB_ACL_VALID_NAME_BITS (4 | 2 | 1)
 172 #define SMB_ACL_VALID_OBJ_BITS  (4 | 2 | 1)
 173
 174 #define SMB_ACL_NEED_SORT
 175
 176 #elif defined HAVE_IRIX_ACLS /*----------------------------------------------*/
 177
 178 /* IRIX ACLs */
 179
 180 #define SMB_ACL_TAG_T           acl_tag_t
 181 #define SMB_ACL_TYPE_T          acl_type_t
 182
 183 /* Types of ACLs. */
 184 #define SMB_ACL_USER            ACL_USER
 185 #define SMB_ACL_USER_OBJ        ACL_USER_OBJ
 186 #define SMB_ACL_GROUP           ACL_GROUP
 187 #define SMB_ACL_GROUP_OBJ       ACL_GROUP_OBJ
 188 #define SMB_ACL_OTHER           ACL_OTHER_OBJ
 189 #define SMB_ACL_MASK            ACL_MASK
 190
 191 typedef struct SMB_ACL_T {
 192         int next;
 193         BOOL freeaclp;
 194         struct acl *aclp;
 195 } *SMB_ACL_T;
 196
 197 #define SMB_ACL_ENTRY_T         acl_entry_t
 198
 199 #define SMB_ACL_FIRST_ENTRY     0
 200 #define SMB_ACL_NEXT_ENTRY      1
 201
 202 #define SMB_ACL_TYPE_ACCESS     ACL_TYPE_ACCESS
 203 #define SMB_ACL_TYPE_DEFAULT    ACL_TYPE_DEFAULT
 204
 205 #define SMB_ACL_VALID_NAME_BITS (4 | 2 | 1)
 206 #define SMB_ACL_VALID_OBJ_BITS  (4 | 2 | 1)
 207
 208 #define SMB_ACL_NEED_SORT
 209
 210 #elif defined HAVE_AIX_ACLS /*-----------------------------------------------*/
 211
 212 /* Donated by Medha Date, mdate@austin.ibm.com, for IBM */
 213
 214 #include "/usr/include/acl.h"
 215
 216 struct acl_entry_link{
 217         struct acl_entry_link *prevp;
 218         struct new_acl_entry *entryp;
 219         struct acl_entry_link *nextp;
 220         int count;
 221 };
 222
 223 struct new_acl_entry{
 224         unsigned short ace_len;
 225         unsigned short ace_type;
 226         unsigned int ace_access;
 227         struct ace_id ace_id[1];
 228 };
 229
 230 #define SMB_ACL_ENTRY_T         struct new_acl_entry*
 231 #define SMB_ACL_T               struct acl_entry_link*
 232
 233 #define SMB_ACL_TAG_T           unsigned short
 234 #define SMB_ACL_TYPE_T          int
 235
 236 /* Types of ACLs. */
 237 #define SMB_ACL_USER            ACEID_USER
 238 #define SMB_ACL_USER_OBJ        3
 239 #define SMB_ACL_GROUP           ACEID_GROUP
 240 #define SMB_ACL_GROUP_OBJ       4
 241 #define SMB_ACL_OTHER           5
 242 #define SMB_ACL_MASK            6
 243
 244 #define SMB_ACL_FIRST_ENTRY     1
 245 #define SMB_ACL_NEXT_ENTRY      2
 246
 247 #define SMB_ACL_TYPE_ACCESS     0
 248 #define SMB_ACL_TYPE_DEFAULT    1
 249
 250 #define SMB_ACL_VALID_NAME_BITS (4 | 2 | 1)
 251 #define SMB_ACL_VALID_OBJ_BITS  (4 | 2 | 1)
 252
 253 #define SMB_ACL_NEED_SORT
 254
 255 #elif defined(HAVE_OSX_ACLS) /*----------------------------------------------*/
 256
 257 /* Special handling for OS X ACLs */
 258
 259 #define SMB_ACL_TAG_T           acl_tag_t
 260 #define SMB_ACL_TYPE_T          acl_type_t
 261
 262 #define SMB_ACL_T               acl_t
 263
 264 #define SMB_ACL_ENTRY_T         acl_entry_t
 265
 266 #define SMB_ACL_USER            1
 267 #define SMB_ACL_GROUP           2
 268
 269 #define SMB_ACL_FIRST_ENTRY     ACL_FIRST_ENTRY
 270 #define SMB_ACL_NEXT_ENTRY      ACL_NEXT_ENTRY
 271
 272 #define SMB_ACL_TYPE_ACCESS     ACL_TYPE_EXTENDED
 273 #define SMB_ACL_TYPE_DEFAULT    ACL_TYPE_DEFAULT
 274
 275 #define SMB_ACL_VALID_NAME_BITS ((1<<25)-1)
 276 #define SMB_ACL_VALID_OBJ_BITS  0
 277
 278 /*#undef SMB_ACL_NEED_SORT*/
 279
 280 #else /*---------------------------------------------------------------------*/
 281
 282 /* Unknown platform. */
 283
 284 #error Cannot handle ACLs on this platform!
 285
 286 #endif
 287
 288 int sys_acl_get_entry(SMB_ACL_T the_acl, int entry_id, SMB_ACL_ENTRY_T *entry_p);
 289 int sys_acl_get_tag_type(SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *tag_type_p);
 290 int sys_acl_get_info(SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T *tag_type_p, uint32 *bits_p, id_t *u_g_id_p);
 291 SMB_ACL_T sys_acl_get_file(const char *path_p, SMB_ACL_TYPE_T type);
 292 SMB_ACL_T sys_acl_get_fd(int fd);
 293 SMB_ACL_T sys_acl_init(int count);
 294 int sys_acl_create_entry(SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry);
 295 int sys_acl_set_info(SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tagtype, uint32 bits, id_t u_g_id);
 296 int sys_acl_set_access_bits(SMB_ACL_ENTRY_T entry, uint32 bits);
 297 int sys_acl_valid(SMB_ACL_T theacl);
 298 int sys_acl_set_file(const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl);
 299 int sys_acl_set_fd(int fd, SMB_ACL_T theacl);
 300 int sys_acl_delete_def_file(const char *name);
 301 int sys_acl_free_acl(SMB_ACL_T the_acl);
 302 int no_acl_syscall_error(int err);
 303
 304 #endif /* SUPPORT_ACLS */