2 * Convert JFS2 NFS4/AIXC acls to NT acls and vice versa.
4 * Copyright (C) Volker Lendecke, 2006
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, see <http://www.gnu.org/licenses/>.
21 #include "nfs4_acls.h"
24 #define DBGC_CLASS DBGC_VFS
26 #define AIXACL2_MODULE_NAME "aixacl2"
28 extern SMB_ACL_T aixacl_to_smbacl( struct acl *file_acl);
29 extern struct acl *aixacl_smb_to_aixacl(SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl);
31 typedef union aixjfs2_acl_t {
32 nfs4_acl_int_t jfs2_acl[1];
33 aixc_acl_t aixc_acl[1];
36 static int32_t aixacl2_getlen(AIXJFS2_ACL_T *acl, acl_type_t *type)
40 if(type->u64 == ACL_NFS4) {
41 len = acl->jfs2_acl[0].aclLength;
44 if(type->u64 == ACL_AIXC) {
45 len = acl->aixc_acl[0].acl_len;
47 DEBUG(0,("aixacl2_getlen:unknown type:%d\n",type->u64));
51 DEBUG(10,("aixacl2_getlen:%d\n",len));
55 static AIXJFS2_ACL_T *aixjfs2_getacl_alloc(const char *fname, acl_type_t *type)
64 mem_ctx = talloc_tos();
65 acl = (AIXJFS2_ACL_T *)TALLOC_SIZE(mem_ctx, len);
71 if(type->u64 == ACL_ANY) {
72 ctl_flag = ctl_flag | GET_ACLINFO_ONLY;
75 ret = aclx_get((char *)fname, ctl_flag, type, acl, &len, &mode);
76 if ((ret != 0) && (errno == ENOSPC)) {
77 len = aixacl2_getlen(acl, type) + sizeof(AIXJFS2_ACL_T);
78 DEBUG(10,("aixjfs2_getacl_alloc - acl_len:%d\n",len));
80 acl = (AIXJFS2_ACL_T *)TALLOC_SIZE(mem_ctx, len);
86 ret = aclx_get((char *)fname, ctl_flag, type, acl, &len, &mode);
89 DEBUG(8, ("aclx_get failed with %s\n", strerror(errno)));
96 static bool aixjfs2_get_nfs4_acl(const char *name,
97 SMB4ACL_T **ppacl, bool *pretryPosix)
101 AIXJFS2_ACL_T *pacl = NULL;
102 nfs4_acl_int_t *jfs2_acl = NULL;
103 nfs4_ace_int_t *jfs2_ace = NULL;
106 DEBUG(10,("jfs2 get_nt_acl invoked for %s\n", name));
108 memset(&type, 0, sizeof(acl_type_t));
111 pacl = aixjfs2_getacl_alloc(name, &type);
113 DEBUG(9, ("aixjfs2_getacl_alloc failed for %s with %s\n",
114 name, strerror(errno)));
120 jfs2_acl = &pacl->jfs2_acl[0];
121 DEBUG(10, ("len: %d, version: %d, nace: %d, type: 0x%x\n",
122 jfs2_acl->aclLength, jfs2_acl->aclVersion, jfs2_acl->aclEntryN, type.u64));
124 *ppacl = smb_create_smb4acl();
128 jfs2_ace = &jfs2_acl->aclEntry[0];
129 for (i=0; i<jfs2_acl->aclEntryN; i++) {
130 SMB_ACE4PROP_T aceprop;
132 DEBUG(10, ("type: %d, iflags: %x, flags: %x, mask: %x, "
133 "who: %d, aclLen: %d\n", jfs2_ace->aceType, jfs2_ace->flags,
134 jfs2_ace->aceFlags, jfs2_ace->aceMask, jfs2_ace->aceWho.id, jfs2_ace->entryLen));
136 aceprop.aceType = jfs2_ace->aceType;
137 aceprop.aceFlags = jfs2_ace->aceFlags;
138 aceprop.aceMask = jfs2_ace->aceMask;
139 aceprop.flags = (jfs2_ace->flags&ACE4_ID_SPECIAL) ? SMB_ACE4_ID_SPECIAL : 0;
141 /* don't care it's real content is only 16 or 32 bit */
142 aceprop.who.id = jfs2_ace->aceWho.id;
144 if (smb_add_ace4(*ppacl, &aceprop)==NULL)
147 /* iterate to the next jfs2 ace */
148 jfs2_ace = (nfs4_ace_int_t *)(((char *)jfs2_ace) + jfs2_ace->entryLen);
151 DEBUG(10,("jfs2 get_nt_acl finished successfully\n"));
156 static NTSTATUS aixjfs2_fget_nt_acl(vfs_handle_struct *handle,
157 files_struct *fsp, uint32 security_info,
160 SMB4ACL_T *pacl = NULL;
162 bool retryPosix = False;
165 result = aixjfs2_get_nfs4_acl(fsp->fsp_name, &pacl, &retryPosix);
168 DEBUG(10, ("retrying with posix acl...\n"));
169 return posix_fget_nt_acl(fsp, security_info, ppdesc);
172 return NT_STATUS_ACCESS_DENIED;
174 return smb_fget_nt_acl_nfs4(fsp, security_info, ppdesc, pacl);
177 static NTSTATUS aixjfs2_get_nt_acl(vfs_handle_struct *handle,
179 uint32 security_info, SEC_DESC **ppdesc)
181 SMB4ACL_T *pacl = NULL;
183 bool retryPosix = False;
186 result = aixjfs2_get_nfs4_acl(name, &pacl, &retryPosix);
189 DEBUG(10, ("retrying with posix acl...\n"));
190 return posix_get_nt_acl(handle->conn, name, security_info,
194 return NT_STATUS_ACCESS_DENIED;
196 return smb_get_nt_acl_nfs4(handle->conn, name, security_info, ppdesc,
200 static SMB_ACL_T aixjfs2_get_posix_acl(const char *path, acl_type_t type)
204 SMB_ACL_T result = NULL;
207 acl = aixjfs2_getacl_alloc(path, &type);
210 DEBUG(10, ("aixjfs2_getacl failed for %s with %s\n",
211 path, strerror(errno)));
218 pacl = &acl->aixc_acl[0];
219 DEBUG(10, ("len: %d, mode: %d\n",
220 pacl->acl_len, pacl->acl_mode));
222 result = aixacl_to_smbacl(pacl);
223 if (result == NULL) {
234 SMB_ACL_T aixjfs2_sys_acl_get_file(vfs_handle_struct *handle,
238 acl_type_t aixjfs2_type;
241 case SMB_ACL_TYPE_ACCESS:
242 aixjfs2_type.u64 = ACL_AIXC;
244 case SMB_ACL_TYPE_DEFAULT:
245 DEBUG(0, ("Got AIX JFS2 unsupported type: %d\n", type));
248 DEBUG(0, ("Got invalid type: %d\n", type));
249 smb_panic("exiting");
252 return aixjfs2_get_posix_acl(path_p, aixjfs2_type);
255 SMB_ACL_T aixjfs2_sys_acl_get_fd(vfs_handle_struct *handle,
258 acl_type_t aixjfs2_type;
259 aixjfs2_type.u64 = ACL_AIXC;
261 return aixjfs2_get_posix_acl(fsp->fsp_name, aixjfs2_type);
265 * Test whether we have that aclType support on the given path
267 static int aixjfs2_query_acl_support(
270 acl_type_t *pacl_type_info
273 acl_types_list_t acl_type_list;
274 size_t acl_type_list_len = sizeof(acl_types_list_t);
277 memset(&acl_type_list, 0, sizeof(acl_type_list));
279 if (aclx_gettypes(filepath, &acl_type_list, &acl_type_list_len)) {
280 DEBUG(2, ("aclx_gettypes failed with error %s for %s\n",
281 strerror(errno), filepath));
285 for(i=0; i<acl_type_list.num_entries; i++) {
286 if (acl_type_list.entries[i].u64==aclType) {
287 memcpy(pacl_type_info, acl_type_list.entries + i, sizeof(acl_type_t));
288 DEBUG(10, ("found %s ACL support for %s\n",
289 pacl_type_info->acl_type, filepath));
294 return 1; /* haven't found that ACL type. */
297 static bool aixjfs2_process_smbacl(files_struct *fsp, SMB4ACL_T *smbacl)
301 nfs4_acl_int_t *jfs2acl;
303 uint32 aclLen, naces;
307 DEBUG(10, ("jfs2_process_smbacl invoked on %s\n", fsp->fsp_name));
309 /* no need to be freed which is alloced with mem_ctx */
310 mem_ctx = talloc_tos();
312 entryLen = sizeof(nfs4_ace_int_t);
314 entryLen = entryLen + 4 - (entryLen%4);
316 naces = smb_get_naces(smbacl);
317 aclLen = ACL_V4_SIZ + naces * entryLen;
318 jfs2acl = (nfs4_acl_int_t *)TALLOC_SIZE(mem_ctx, aclLen);
320 DEBUG(0, ("TALLOC_SIZE failed\n"));
325 jfs2acl->aclLength = ACL_V4_SIZ;
326 jfs2acl->aclVersion = NFS4_ACL_INT_STRUCT_VERSION;
327 jfs2acl->aclEntryN = 0;
329 for(smbace = smb_first_ace4(smbacl); smbace!=NULL; smbace = smb_next_ace4(smbace))
331 SMB_ACE4PROP_T *aceprop = smb_get_ace4(smbace);
332 nfs4_ace_int_t *jfs2_ace = (nfs4_ace_int_t *)(((char *)jfs2acl) + jfs2acl->aclLength);
334 memset(jfs2_ace, 0, entryLen);
335 jfs2_ace->entryLen = entryLen; /* won't store textual "who" */
336 jfs2_ace->aceType = aceprop->aceType; /* only ACCES|DENY supported by jfs2 */
337 jfs2_ace->aceFlags = aceprop->aceFlags;
338 jfs2_ace->aceMask = aceprop->aceMask;
339 jfs2_ace->flags = (aceprop->flags&SMB_ACE4_ID_SPECIAL) ? ACE4_ID_SPECIAL : 0;
341 /* don't care it's real content is only 16 or 32 bit */
342 jfs2_ace->aceWho.id = aceprop->who.id;
344 /* iterate to the next jfs2 ace */
345 jfs2acl->aclLength += jfs2_ace->entryLen;
346 jfs2acl->aclEntryN++;
348 SMB_ASSERT(jfs2acl->aclEntryN==naces);
350 /* Don't query it (again) */
351 memset(&acltype, 0, sizeof(acl_type_t));
352 acltype.u64 = ACL_NFS4;
354 /* won't set S_ISUID - the only one JFS2/NFS4 accepts */
357 SET_ACL, /* set only the ACL, not mode bits */
358 acltype, /* not a pointer !!! */
361 0 /* don't set here mode bits */
364 DEBUG(8, ("aclx_put failed with %s\n", strerror(errno)));
368 DEBUG(10, ("jfs2_process_smbacl succeeded.\n"));
372 static NTSTATUS aixjfs2_set_nt_acl_common(files_struct *fsp, uint32 security_info_sent, const SEC_DESC *psd)
374 acl_type_t acl_type_info;
375 NTSTATUS result = NT_STATUS_ACCESS_DENIED;
378 rc = aixjfs2_query_acl_support(
385 result = smb_set_nt_acl_nfs4(
386 fsp, security_info_sent, psd,
387 aixjfs2_process_smbacl);
388 } else if (rc==1) { /* assume POSIX ACL - by default... */
389 result = set_nt_acl(fsp, security_info_sent, psd);
391 result = map_nt_error_from_unix(errno); /* query failed */
396 NTSTATUS aixjfs2_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp, uint32 security_info_sent, const SEC_DESC *psd)
398 return aixjfs2_set_nt_acl_common(fsp, security_info_sent, psd);
401 int aixjfs2_sys_acl_set_file(vfs_handle_struct *handle,
406 struct acl *acl_aixc;
407 acl_type_t acl_type_info;
410 DEBUG(10, ("aixjfs2_sys_acl_set_file invoked for %s", name));
412 rc = aixjfs2_query_acl_support((char *)name, ACL_AIXC, &acl_type_info);
414 DEBUG(8, ("jfs2_set_nt_acl: AIXC support not found\n"));
418 acl_aixc = aixacl_smb_to_aixacl(type, theacl);
424 SET_ACL, /* set only the ACL, not mode bits */
431 DEBUG(2, ("aclx_put failed with %s for %s\n",
432 strerror(errno), name));
439 int aixjfs2_sys_acl_set_fd(vfs_handle_struct *handle,
443 struct acl *acl_aixc;
444 acl_type_t acl_type_info;
447 DEBUG(10, ("aixjfs2_sys_acl_set_fd invoked for %s", fsp->fsp_name));
449 rc = aixjfs2_query_acl_support(fsp->fsp_name, ACL_AIXC, &acl_type_info);
451 DEBUG(8, ("jfs2_set_nt_acl: AIXC support not found\n"));
455 acl_aixc = aixacl_smb_to_aixacl(SMB_ACL_TYPE_ACCESS, theacl);
461 SET_ACL, /* set only the ACL, not mode bits */
468 DEBUG(2, ("aclx_fput failed with %s for %s\n",
469 strerror(errno), fsp->fsp_name));
476 int aixjfs2_sys_acl_delete_def_file(vfs_handle_struct *handle,
479 /* Not available under AIXC ACL */
480 /* Don't report here any error otherwise */
481 /* upper layer will break the normal execution */
486 /* VFS operations structure */
488 static vfs_op_tuple aixjfs2_ops[] =
490 {SMB_VFS_OP(aixjfs2_fget_nt_acl),
491 SMB_VFS_OP_FGET_NT_ACL,
492 SMB_VFS_LAYER_TRANSPARENT},
494 {SMB_VFS_OP(aixjfs2_get_nt_acl),
495 SMB_VFS_OP_GET_NT_ACL,
496 SMB_VFS_LAYER_TRANSPARENT},
498 {SMB_VFS_OP(aixjfs2_fset_nt_acl),
499 SMB_VFS_OP_FSET_NT_ACL,
500 SMB_VFS_LAYER_TRANSPARENT},
502 {SMB_VFS_OP(aixjfs2_sys_acl_get_file),
503 SMB_VFS_OP_SYS_ACL_GET_FILE,
504 SMB_VFS_LAYER_TRANSPARENT},
506 {SMB_VFS_OP(aixjfs2_sys_acl_get_fd),
507 SMB_VFS_OP_SYS_ACL_GET_FD,
508 SMB_VFS_LAYER_TRANSPARENT},
510 {SMB_VFS_OP(aixjfs2_sys_acl_set_file),
511 SMB_VFS_OP_SYS_ACL_SET_FILE,
512 SMB_VFS_LAYER_TRANSPARENT},
514 {SMB_VFS_OP(aixjfs2_sys_acl_set_fd),
515 SMB_VFS_OP_SYS_ACL_SET_FD,
516 SMB_VFS_LAYER_TRANSPARENT},
518 {SMB_VFS_OP(aixjfs2_sys_acl_delete_def_file),
519 SMB_VFS_OP_SYS_ACL_DELETE_DEF_FILE,
520 SMB_VFS_LAYER_TRANSPARENT},
527 NTSTATUS vfs_aixacl2_init(void);
528 NTSTATUS vfs_aixacl2_init(void)
530 return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, AIXACL2_MODULE_NAME,