2 * Convert AFS acls to NT acls and vice versa.
4 * Copyright (C) Volker Lendecke, 2003
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 "system/filesys.h"
22 #include "smbd/smbd.h"
23 #include "../librpc/gen_ndr/lsa.h"
24 #include "../libcli/security/security.h"
25 #include "../libcli/security/dom_sid.h"
29 #define DBGC_CLASS DBGC_VFS
34 #include <afs/venus.h>
35 #include <afs/prs_fs.h>
39 extern const struct dom_sid global_sid_World;
40 extern const struct dom_sid global_sid_Builtin_Administrators;
41 extern const struct dom_sid global_sid_Builtin_Backup_Operators;
42 extern const struct dom_sid global_sid_Authenticated_Users;
43 extern const struct dom_sid global_sid_NULL;
45 static char space_replacement = '%';
47 /* Do we expect SIDs as pts names? */
50 extern int afs_syscall(int, char *, int, char *, int);
56 enum lsa_SidType type;
65 struct afs_ace *acelist;
70 uint16 in_size, out_size;
74 static bool init_afs_acl(struct afs_acl *acl)
77 acl->ctx = talloc_init("afs_acl");
78 if (acl->ctx == NULL) {
79 DEBUG(10, ("Could not init afs_acl"));
85 static void free_afs_acl(struct afs_acl *acl)
88 talloc_destroy(acl->ctx);
94 static struct afs_ace *clone_afs_ace(TALLOC_CTX *mem_ctx, struct afs_ace *ace)
96 struct afs_ace *result = talloc(mem_ctx, struct afs_ace);
104 result->name = talloc_strdup(mem_ctx, ace->name);
106 if (result->name == NULL) {
113 static struct afs_ace *new_afs_ace(TALLOC_CTX *mem_ctx,
115 const char *name, uint32 rights)
118 enum lsa_SidType type;
119 struct afs_ace *result;
121 if (strcmp(name, "system:administrators") == 0) {
123 sid_copy(&sid, &global_sid_Builtin_Administrators);
124 type = SID_NAME_ALIAS;
126 } else if (strcmp(name, "system:anyuser") == 0) {
128 sid_copy(&sid, &global_sid_World);
129 type = SID_NAME_ALIAS;
131 } else if (strcmp(name, "system:authuser") == 0) {
133 sid_copy(&sid, &global_sid_Authenticated_Users);
134 type = SID_NAME_WKN_GRP;
136 } else if (strcmp(name, "system:backup") == 0) {
138 sid_copy(&sid, &global_sid_Builtin_Backup_Operators);
139 type = SID_NAME_ALIAS;
142 /* All PTS users/groups are expressed as SIDs */
144 sid_copy(&sid, &global_sid_NULL);
145 type = SID_NAME_UNKNOWN;
147 if (string_to_sid(&sid, name)) {
148 const char *user, *domain;
149 /* We have to find the type, look up the SID */
150 lookup_sid(talloc_tos(), &sid,
151 &domain, &user, &type);
156 const char *domain, *uname;
159 p = strchr_m(name, *lp_winbind_separator());
164 if (!lookup_name(talloc_tos(), name, LOOKUP_NAME_ALL,
165 &domain, &uname, &sid, &type)) {
166 DEBUG(10, ("Could not find AFS user %s\n", name));
168 sid_copy(&sid, &global_sid_NULL);
169 type = SID_NAME_UNKNOWN;
174 result = talloc(mem_ctx, struct afs_ace);
176 if (result == NULL) {
177 DEBUG(0, ("Could not talloc AFS ace\n"));
181 result->name = talloc_strdup(mem_ctx, name);
182 if (result->name == NULL) {
183 DEBUG(0, ("Could not talloc AFS ace name\n"));
190 result->positive = positive;
191 result->rights = rights;
196 static void add_afs_ace(struct afs_acl *acl,
198 const char *name, uint32 rights)
202 for (ace = acl->acelist; ace != NULL; ace = ace->next) {
203 if ((ace->positive == positive) &&
204 (strequal(ace->name, name))) {
205 ace->rights |= rights;
210 ace = new_afs_ace(acl->ctx, positive, name, rights);
212 ace->next = acl->acelist;
217 DEBUG(10, ("add_afs_ace: Added %s entry for %s with rights %d\n",
218 ace->positive?"positive":"negative",
219 ace->name, ace->rights));
224 /* AFS ACLs in string form are a long string of fields delimited with \n.
226 * First line: Number of positive entries
227 * Second line: Number of negative entries
228 * Third and following lines: The entries themselves
230 * An ACE is a line of two fields, delimited by \t.
233 * Second field: Rights
236 static bool parse_afs_acl(struct afs_acl *acl, const char *acl_str)
244 strlcpy(str, acl_str, MAXSIZE);
246 if (sscanf(p, "%d", &nplus) != 1)
249 DEBUG(10, ("Found %d positive entries\n", nplus));
251 if ((p = strchr(p, '\n')) == NULL)
255 if (sscanf(p, "%d", &nminus) != 1)
258 DEBUG(10, ("Found %d negative entries\n", nminus));
260 if ((p = strchr(p, '\n')) == NULL)
264 for (aces = nplus+nminus; aces > 0; aces--)
274 if ((p = strchr(p, '\t')) == NULL)
279 if (sscanf(p, "%d", &rights) != 1)
282 if ((p = strchr(p, '\n')) == NULL)
286 fstrcpy(name, namep);
288 while ((space = strchr_m(name, space_replacement)) != NULL)
291 add_afs_ace(acl, nplus>0, name, rights);
299 static bool unparse_afs_acl(struct afs_acl *acl, char *acl_str)
301 /* TODO: String length checks!!!! */
309 struct afs_ace *ace = acl->acelist;
311 while (ace != NULL) {
319 fstr_sprintf(line, "%d\n", positives);
320 strlcat(acl_str, line, MAXSIZE);
322 fstr_sprintf(line, "%d\n", negatives);
323 strlcat(acl_str, line, MAXSIZE);
327 while (ace != NULL) {
328 fstr_sprintf(line, "%s\t%d\n", ace->name, ace->rights);
329 strlcat(acl_str, line, MAXSIZE);
335 static uint32 afs_to_nt_file_rights(uint32 rights)
339 if (rights & PRSFS_READ)
340 result |= FILE_READ_DATA | FILE_READ_EA |
341 FILE_EXECUTE | FILE_READ_ATTRIBUTES |
342 READ_CONTROL_ACCESS | SYNCHRONIZE_ACCESS;
344 if (rights & PRSFS_WRITE)
345 result |= FILE_WRITE_DATA | FILE_WRITE_ATTRIBUTES |
346 FILE_WRITE_EA | FILE_APPEND_DATA;
348 if (rights & PRSFS_LOCK)
349 result |= WRITE_OWNER_ACCESS;
351 if (rights & PRSFS_DELETE)
352 result |= DELETE_ACCESS;
357 static void afs_to_nt_dir_rights(uint32 afs_rights, uint32 *nt_rights,
361 *flag = SEC_ACE_FLAG_OBJECT_INHERIT |
362 SEC_ACE_FLAG_CONTAINER_INHERIT;
364 if (afs_rights & PRSFS_INSERT)
365 *nt_rights |= FILE_ADD_FILE | FILE_ADD_SUBDIRECTORY;
367 if (afs_rights & PRSFS_LOOKUP)
368 *nt_rights |= FILE_READ_DATA | FILE_READ_EA |
369 FILE_EXECUTE | FILE_READ_ATTRIBUTES |
370 READ_CONTROL_ACCESS | SYNCHRONIZE_ACCESS;
372 if (afs_rights & PRSFS_WRITE)
373 *nt_rights |= FILE_WRITE_ATTRIBUTES | FILE_WRITE_DATA |
374 FILE_APPEND_DATA | FILE_WRITE_EA;
376 if ((afs_rights & (PRSFS_INSERT|PRSFS_LOOKUP|PRSFS_DELETE)) ==
377 (PRSFS_INSERT|PRSFS_LOOKUP|PRSFS_DELETE))
378 *nt_rights |= FILE_WRITE_ATTRIBUTES | FILE_WRITE_EA |
379 GENERIC_WRITE_ACCESS;
381 if (afs_rights & PRSFS_DELETE)
382 *nt_rights |= DELETE_ACCESS;
384 if (afs_rights & PRSFS_ADMINISTER)
385 *nt_rights |= FILE_DELETE_CHILD | WRITE_DAC_ACCESS |
388 if ( (afs_rights & PRSFS_LOOKUP) ==
389 (afs_rights & (PRSFS_LOOKUP|PRSFS_READ)) ) {
390 /* Only lookup right */
391 *flag = SEC_ACE_FLAG_CONTAINER_INHERIT;
397 #define AFS_FILE_RIGHTS (PRSFS_READ|PRSFS_WRITE|PRSFS_LOCK)
398 #define AFS_DIR_RIGHTS (PRSFS_INSERT|PRSFS_LOOKUP|PRSFS_DELETE|PRSFS_ADMINISTER)
400 static void split_afs_acl(struct afs_acl *acl,
401 struct afs_acl *dir_acl,
402 struct afs_acl *file_acl)
406 init_afs_acl(dir_acl);
407 init_afs_acl(file_acl);
409 for (ace = acl->acelist; ace != NULL; ace = ace->next) {
410 if (ace->rights & AFS_FILE_RIGHTS) {
411 add_afs_ace(file_acl, ace->positive, ace->name,
412 ace->rights & AFS_FILE_RIGHTS);
415 if (ace->rights & AFS_DIR_RIGHTS) {
416 add_afs_ace(dir_acl, ace->positive, ace->name,
417 ace->rights & AFS_DIR_RIGHTS);
423 static bool same_principal(struct afs_ace *x, struct afs_ace *y)
425 return ( (x->positive == y->positive) &&
426 (dom_sid_compare(&x->sid, &y->sid) == 0) );
429 static void merge_afs_acls(struct afs_acl *dir_acl,
430 struct afs_acl *file_acl,
431 struct afs_acl *target)
435 init_afs_acl(target);
437 for (ace = dir_acl->acelist; ace != NULL; ace = ace->next) {
438 struct afs_ace *file_ace;
441 for (file_ace = file_acl->acelist;
443 file_ace = file_ace->next) {
444 if (!same_principal(ace, file_ace))
447 add_afs_ace(target, ace->positive, ace->name,
448 ace->rights | file_ace->rights);
453 add_afs_ace(target, ace->positive, ace->name,
457 for (ace = file_acl->acelist; ace != NULL; ace = ace->next) {
458 struct afs_ace *dir_ace;
459 bool already_seen = False;
461 for (dir_ace = dir_acl->acelist;
463 dir_ace = dir_ace->next) {
464 if (!same_principal(ace, dir_ace))
470 add_afs_ace(target, ace->positive, ace->name,
475 #define PERMS_READ 0x001200a9
476 #define PERMS_CHANGE 0x001301bf
477 #define PERMS_FULL 0x001f01ff
479 static struct static_dir_ace_mapping {
487 { 0, SEC_ACE_FLAG_OBJECT_INHERIT|SEC_ACE_FLAG_CONTAINER_INHERIT,
488 PERMS_FULL, 127 /* rlidwka */ },
491 { 0, SEC_ACE_FLAG_OBJECT_INHERIT|SEC_ACE_FLAG_CONTAINER_INHERIT,
492 PERMS_CHANGE, 63 /* rlidwk */ },
494 /* Read (including list folder content) */
495 { 0, SEC_ACE_FLAG_OBJECT_INHERIT|SEC_ACE_FLAG_CONTAINER_INHERIT,
496 PERMS_READ, 9 /* rl */ },
498 /* Read without list folder content -- same as "l" */
499 { 0, SEC_ACE_FLAG_OBJECT_INHERIT|SEC_ACE_FLAG_CONTAINER_INHERIT,
500 0x00120089, 8 /* l */ },
502 /* some stupid workaround for preventing fallbacks */
503 { 0, 0x3, 0x0012019F, 9 /* rl */ },
504 { 0, 0x13, PERMS_FULL, 127 /* full */ },
506 /* read, delete and execute access plus synchronize */
507 { 0, 0x3, 0x001300A9, 9 /* should be rdl, set to rl */},
508 /* classical read list */
509 { 0, 0x13, 0x001200A9, 9 /* rl */},
510 /* almost full control, no delete */
511 { 0, 0x13, PERMS_CHANGE, 63 /* rwidlk */},
514 { 0, SEC_ACE_FLAG_CONTAINER_INHERIT,
515 PERMS_READ, 8 /* l */ },
517 /* FULL without inheritance -- in all cases here we also get
518 the corresponding INHERIT_ONLY ACE in the same ACL */
519 { 0, 0, PERMS_FULL, 127 /* rlidwka */ },
521 /* FULL inherit only -- counterpart to previous one */
522 { 0, SEC_ACE_FLAG_OBJECT_INHERIT|SEC_ACE_FLAG_CONTAINER_INHERIT|SEC_ACE_FLAG_INHERIT_ONLY,
523 PERMS_FULL | SEC_GENERIC_WRITE, 127 /* rlidwka */ },
525 /* CHANGE without inheritance -- in all cases here we also get
526 the corresponding INHERIT_ONLY ACE in the same ACL */
527 { 0, 0, PERMS_CHANGE, 63 /* rlidwk */ },
529 /* CHANGE inherit only -- counterpart to previous one */
530 { 0, SEC_ACE_FLAG_OBJECT_INHERIT|SEC_ACE_FLAG_CONTAINER_INHERIT|SEC_ACE_FLAG_INHERIT_ONLY,
531 PERMS_CHANGE | SEC_GENERIC_WRITE, 63 /* rlidwk */ },
533 /* End marker, hopefully there's no afs right 9999 :-) */
537 static uint32 nt_to_afs_dir_rights(const char *filename, const struct security_ace *ace)
540 uint32 rights = ace->access_mask;
541 uint8 flags = ace->flags;
543 struct static_dir_ace_mapping *m;
545 for (m = &ace_mappings[0]; m->afs_rights != 9999; m++) {
546 if ( (ace->type == m->type) &&
547 (ace->flags == m->flags) &&
548 (ace->access_mask == m->mask) )
549 return m->afs_rights;
552 DEBUG(1, ("AFSACL FALLBACK: 0x%X 0x%X 0x%X %s %X\n",
553 ace->type, ace->flags, ace->access_mask, filename, rights));
555 if (rights & (GENERIC_ALL_ACCESS|WRITE_DAC_ACCESS)) {
556 result |= PRSFS_READ | PRSFS_WRITE | PRSFS_INSERT |
557 PRSFS_LOOKUP | PRSFS_DELETE | PRSFS_LOCK |
561 if (rights & (GENERIC_READ_ACCESS|FILE_READ_DATA)) {
562 result |= PRSFS_LOOKUP;
563 if (flags & SEC_ACE_FLAG_OBJECT_INHERIT) {
564 result |= PRSFS_READ;
568 if (rights & (GENERIC_WRITE_ACCESS|FILE_WRITE_DATA)) {
569 result |= PRSFS_INSERT | PRSFS_DELETE;
570 if (flags & SEC_ACE_FLAG_OBJECT_INHERIT) {
571 result |= PRSFS_WRITE | PRSFS_LOCK;
578 static uint32 nt_to_afs_file_rights(const char *filename, const struct security_ace *ace)
581 uint32 rights = ace->access_mask;
583 if (rights & (GENERIC_READ_ACCESS|FILE_READ_DATA)) {
584 result |= PRSFS_READ;
587 if (rights & (GENERIC_WRITE_ACCESS|FILE_WRITE_DATA)) {
588 result |= PRSFS_WRITE | PRSFS_LOCK;
594 static size_t afs_to_nt_acl_common(struct afs_acl *afs_acl,
595 SMB_STRUCT_STAT *psbuf,
596 uint32 security_info,
597 struct security_descriptor **ppdesc)
599 struct security_ace *nt_ace_list;
600 struct dom_sid owner_sid, group_sid;
601 struct security_acl *psa = NULL;
604 TALLOC_CTX *mem_ctx = talloc_tos();
606 struct afs_ace *afs_ace;
608 uid_to_sid(&owner_sid, psbuf->st_ex_uid);
609 gid_to_sid(&group_sid, psbuf->st_ex_gid);
611 if (afs_acl->num_aces) {
612 nt_ace_list = talloc_array(mem_ctx, struct security_ace, afs_acl->num_aces);
614 if (nt_ace_list == NULL)
620 afs_ace = afs_acl->acelist;
623 while (afs_ace != NULL) {
625 uint8 flag = SEC_ACE_FLAG_OBJECT_INHERIT |
626 SEC_ACE_FLAG_CONTAINER_INHERIT;
628 if (afs_ace->type == SID_NAME_UNKNOWN) {
629 DEBUG(10, ("Ignoring unknown name %s\n",
631 afs_ace = afs_ace->next;
635 if (S_ISDIR(psbuf->st_ex_mode))
636 afs_to_nt_dir_rights(afs_ace->rights, &nt_rights,
639 nt_rights = afs_to_nt_file_rights(afs_ace->rights);
641 init_sec_ace(&nt_ace_list[good_aces++], &(afs_ace->sid),
642 SEC_ACE_TYPE_ACCESS_ALLOWED, nt_rights, flag);
643 afs_ace = afs_ace->next;
646 psa = make_sec_acl(mem_ctx, NT4_ACL_REVISION,
647 good_aces, nt_ace_list);
651 *ppdesc = make_sec_desc(mem_ctx, SD_REVISION,
652 SEC_DESC_SELF_RELATIVE,
653 (security_info & SECINFO_OWNER)
655 (security_info & SECINFO_GROUP)
657 NULL, psa, &sd_size);
662 static size_t afs_to_nt_acl(struct afs_acl *afs_acl,
663 struct connection_struct *conn,
664 struct smb_filename *smb_fname,
665 uint32 security_info,
666 struct security_descriptor **ppdesc)
670 /* Get the stat struct for the owner info. */
671 if (lp_posix_pathnames()) {
672 ret = SMB_VFS_LSTAT(conn, smb_fname);
674 ret = SMB_VFS_STAT(conn, smb_fname);
680 return afs_to_nt_acl_common(afs_acl, &smb_fname->st, security_info,
684 static size_t afs_fto_nt_acl(struct afs_acl *afs_acl,
685 struct files_struct *fsp,
686 uint32 security_info,
687 struct security_descriptor **ppdesc)
689 SMB_STRUCT_STAT sbuf;
691 if (fsp->fh->fd == -1) {
692 /* Get the stat struct for the owner info. */
693 return afs_to_nt_acl(afs_acl, fsp->conn, fsp->fsp_name,
694 security_info, ppdesc);
697 if(SMB_VFS_FSTAT(fsp, &sbuf) != 0) {
701 return afs_to_nt_acl_common(afs_acl, &sbuf, security_info, ppdesc);
704 static bool mappable_sid(const struct dom_sid *sid)
706 struct dom_sid domain_sid;
708 if (dom_sid_compare(sid, &global_sid_Builtin_Administrators) == 0)
711 if (dom_sid_compare(sid, &global_sid_World) == 0)
714 if (dom_sid_compare(sid, &global_sid_Authenticated_Users) == 0)
717 if (dom_sid_compare(sid, &global_sid_Builtin_Backup_Operators) == 0)
720 string_to_sid(&domain_sid, "S-1-5-21");
722 if (sid_compare_domain(sid, &domain_sid) == 0)
728 static bool nt_to_afs_acl(const char *filename,
729 uint32 security_info_sent,
730 const struct security_descriptor *psd,
731 uint32 (*nt_to_afs_rights)(const char *filename,
732 const struct security_ace *ace),
733 struct afs_acl *afs_acl)
735 const struct security_acl *dacl;
738 /* Currently we *only* look at the dacl */
740 if (((security_info_sent & SECINFO_DACL) == 0) ||
744 if (!init_afs_acl(afs_acl))
749 for (i = 0; i < dacl->num_aces; i++) {
750 const struct security_ace *ace = &(dacl->aces[i]);
751 const char *dom_name, *name;
752 enum lsa_SidType name_type;
755 if (ace->type != SEC_ACE_TYPE_ACCESS_ALLOWED) {
756 /* First cut: Only positive ACEs */
760 if (!mappable_sid(&ace->trustee)) {
761 DEBUG(10, ("Ignoring unmappable SID %s\n",
762 sid_string_dbg(&ace->trustee)));
766 if (dom_sid_compare(&ace->trustee,
767 &global_sid_Builtin_Administrators) == 0) {
769 name = "system:administrators";
771 } else if (dom_sid_compare(&ace->trustee,
772 &global_sid_World) == 0) {
774 name = "system:anyuser";
776 } else if (dom_sid_compare(&ace->trustee,
777 &global_sid_Authenticated_Users) == 0) {
779 name = "system:authuser";
781 } else if (dom_sid_compare(&ace->trustee,
782 &global_sid_Builtin_Backup_Operators)
785 name = "system:backup";
789 if (!lookup_sid(talloc_tos(), &ace->trustee,
790 &dom_name, &name, &name_type)) {
791 DEBUG(1, ("AFSACL: Could not lookup SID %s on file %s\n",
792 sid_string_dbg(&ace->trustee),
797 if ( (name_type == SID_NAME_USER) ||
798 (name_type == SID_NAME_DOM_GRP) ||
799 (name_type == SID_NAME_ALIAS) ) {
801 tmp = talloc_asprintf(talloc_tos(), "%s%s%s",
802 dom_name, lp_winbind_separator(),
812 /* Expect all users/groups in pts as SIDs */
813 name = talloc_strdup(
815 sid_string_tos(&ace->trustee));
822 while ((p = strchr_m(name, ' ')) != NULL)
823 *p = space_replacement;
825 add_afs_ace(afs_acl, True, name,
826 nt_to_afs_rights(filename, ace));
832 static bool afs_get_afs_acl(char *filename, struct afs_acl *acl)
840 DEBUG(5, ("afs_get_afs_acl: %s\n", filename));
843 iob.out_size = MAXSIZE;
844 iob.in = iob.out = space;
846 ret = afs_syscall(AFSCALL_PIOCTL, filename, VIOCGETAL,
850 DEBUG(1, ("got error from PIOCTL: %d\n", ret));
854 if (!init_afs_acl(acl))
857 if (!parse_afs_acl(acl, space)) {
858 DEBUG(1, ("Could not parse AFS acl\n"));
866 /* For setting an AFS ACL we have to take care of the ACEs we could
867 * not properly map to SIDs. Merge all of them into the new ACL. */
869 static void merge_unknown_aces(struct afs_acl *src, struct afs_acl *dst)
873 for (ace = src->acelist; ace != NULL; ace = ace->next)
875 struct afs_ace *copy;
877 if (ace->type != SID_NAME_UNKNOWN) {
878 DEBUG(10, ("Not merging known ACE for %s\n",
883 DEBUG(10, ("Merging unknown ACE for %s\n", ace->name));
885 copy = clone_afs_ace(dst->ctx, ace);
888 DEBUG(0, ("Could not clone ACE for %s\n", ace->name));
892 copy->next = dst->acelist;
898 static NTSTATUS afs_set_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
899 uint32 security_info_sent,
900 const struct security_descriptor *psd)
902 struct afs_acl old_afs_acl, new_afs_acl;
903 struct afs_acl dir_acl, file_acl;
904 char acl_string[MAXSIZE];
908 const char *fileacls;
910 fileacls = lp_parm_const_string(SNUM(handle->conn), "afsacl", "fileacls",
913 sidpts = lp_parm_bool(SNUM(handle->conn), "afsacl", "sidpts", False);
915 ZERO_STRUCT(old_afs_acl);
916 ZERO_STRUCT(new_afs_acl);
917 ZERO_STRUCT(dir_acl);
918 ZERO_STRUCT(file_acl);
920 name = talloc_strdup(talloc_tos(), fsp->fsp_name->base_name);
922 return NT_STATUS_NO_MEMORY;
925 if (!fsp->is_directory) {
926 /* We need to get the name of the directory containing the
927 * file, this is where the AFS acls live */
928 char *p = strrchr(name, '/');
932 name = talloc_strdup(talloc_tos(), ".");
934 return NT_STATUS_NO_MEMORY;
939 if (!afs_get_afs_acl(name, &old_afs_acl)) {
940 DEBUG(3, ("Could not get old ACL of %s\n", fsp_str_dbg(fsp)));
944 split_afs_acl(&old_afs_acl, &dir_acl, &file_acl);
946 if (fsp->is_directory) {
948 if (!strequal(fileacls, "yes")) {
949 /* Throw away file acls, we depend on the
950 * inheritance ACEs that also give us file
952 free_afs_acl(&file_acl);
955 free_afs_acl(&dir_acl);
956 if (!nt_to_afs_acl(fsp->fsp_name->base_name,
957 security_info_sent, psd,
958 nt_to_afs_dir_rights, &dir_acl))
961 if (strequal(fileacls, "no")) {
966 if (strequal(fileacls, "ignore")) {
971 free_afs_acl(&file_acl);
972 if (!nt_to_afs_acl(fsp->fsp_name->base_name,
973 security_info_sent, psd,
974 nt_to_afs_file_rights, &file_acl))
978 merge_afs_acls(&dir_acl, &file_acl, &new_afs_acl);
980 merge_unknown_aces(&old_afs_acl, &new_afs_acl);
982 unparse_afs_acl(&new_afs_acl, acl_string);
985 iob.in_size = 1+strlen(iob.in);
989 DEBUG(10, ("trying to set acl '%s' on file %s\n", iob.in, name));
991 ret = afs_syscall(AFSCALL_PIOCTL, name, VIOCSETAL, (char *)&iob, 0);
994 DEBUG(10, ("VIOCSETAL returned %d\n", ret));
998 free_afs_acl(&dir_acl);
999 free_afs_acl(&file_acl);
1000 free_afs_acl(&old_afs_acl);
1001 free_afs_acl(&new_afs_acl);
1003 return (ret == 0) ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
1006 static NTSTATUS afsacl_fget_nt_acl(struct vfs_handle_struct *handle,
1007 struct files_struct *fsp,
1008 uint32 security_info,
1009 struct security_descriptor **ppdesc)
1014 DEBUG(5, ("afsacl_fget_nt_acl: %s\n", fsp_str_dbg(fsp)));
1016 sidpts = lp_parm_bool(SNUM(fsp->conn), "afsacl", "sidpts", False);
1018 if (!afs_get_afs_acl(fsp->fsp_name->base_name, &acl)) {
1019 return NT_STATUS_ACCESS_DENIED;
1022 sd_size = afs_fto_nt_acl(&acl, fsp, security_info, ppdesc);
1026 return (sd_size != 0) ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
1029 static NTSTATUS afsacl_get_nt_acl(struct vfs_handle_struct *handle,
1030 const char *name, uint32 security_info,
1031 struct security_descriptor **ppdesc)
1035 struct smb_filename *smb_fname = NULL;
1038 DEBUG(5, ("afsacl_get_nt_acl: %s\n", name));
1040 sidpts = lp_parm_bool(SNUM(handle->conn), "afsacl", "sidpts", False);
1042 if (!afs_get_afs_acl(name, &acl)) {
1043 return NT_STATUS_ACCESS_DENIED;
1046 status = create_synthetic_smb_fname(talloc_tos(), name, NULL, NULL,
1048 if (!NT_STATUS_IS_OK(status)) {
1053 sd_size = afs_to_nt_acl(&acl, handle->conn, smb_fname, security_info,
1055 TALLOC_FREE(smb_fname);
1059 return (sd_size != 0) ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
1062 NTSTATUS afsacl_fset_nt_acl(vfs_handle_struct *handle,
1064 uint32 security_info_sent,
1065 const struct security_descriptor *psd)
1067 return afs_set_nt_acl(handle, fsp, security_info_sent, psd);
1070 static int afsacl_connect(vfs_handle_struct *handle,
1071 const char *service,
1075 int ret = SMB_VFS_NEXT_CONNECT(handle, service, user);
1081 spc = lp_parm_const_string(SNUM(handle->conn), "afsacl", "space", "%");
1084 space_replacement = spc[0];
1089 static struct vfs_fn_pointers vfs_afsacl_fns = {
1090 .connect_fn = afsacl_connect,
1091 .fget_nt_acl = afsacl_fget_nt_acl,
1092 .get_nt_acl = afsacl_get_nt_acl,
1093 .fset_nt_acl = afsacl_fset_nt_acl
1096 NTSTATUS vfs_afsacl_init(void);
1097 NTSTATUS vfs_afsacl_init(void)
1099 return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "afsacl",