2 Copyright (c) 2008, 2009, 2010 Frank Lahm <franklahm@gmail.com>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
17 #endif /* HAVE_CONFIG_H */
26 #ifdef HAVE_SOLARIS_ACLS
29 #ifdef HAVE_POSIX_ACLS
32 #ifdef HAVE_ACL_LIBACL_H
33 #include <acl/libacl.h>
36 #include <atalk/errchk.h>
37 #include <atalk/adouble.h>
38 #include <atalk/vfs.h>
39 #include <atalk/afp.h>
40 #include <atalk/util.h>
41 #include <atalk/cnid.h>
42 #include <atalk/logger.h>
43 #include <atalk/uuid.h>
44 #include <atalk/acl.h>
45 #include <atalk/bstrlib.h>
46 #include <atalk/bstradd.h>
48 #include "directory.h"
54 #include "acl_mappings.h"
58 #define SOLARIS_2_DARWIN 1
59 #define DARWIN_2_SOLARIS 2
60 #define POSIX_DEFAULT_2_DARWIN 3
61 #define POSIX_ACCESS_2_DARWIN 4
62 #define DARWIN_2_POSIX_DEFAULT 5
63 #define DARWIN_2_POSIX_ACCESS 6
68 /********************************************************
70 ********************************************************/
72 #ifdef HAVE_SOLARIS_ACLS
75 * Compile access rights for a user to one file-system object
77 * This combines combines all access rights for a user to one fs-object and
78 * returns the result as a Darwin allowed rights ACE.
79 * This must honor trivial ACEs which are a mode_t mapping.
81 * @param path (r) path to filesystem object
82 * @param sb (r) struct stat of path
83 * @param result (w) resulting Darwin allow ACE
85 * @returns 0 or -1 on error
87 static int solaris_acl_rights(const char *path,
88 const struct stat *sb,
92 int i, ace_count, checkgroup;
96 uint32_t rights, allowed_rights = 0, denied_rights = 0, darwin_rights;
98 /* Get ACL from file/dir */
99 EC_NEG1_LOG(ace_count = get_nfsv4_acl(path, &aces));
104 /* Now check requested rights */
106 do { /* Loop through ACEs */
108 flags = aces[i].a_flags;
109 type = aces[i].a_type;
110 rights = aces[i].a_access_mask;
112 if (flags & ACE_INHERIT_ONLY_ACE)
115 /* Now the tricky part: decide if ACE effects our user. I'll explain:
116 if its a dedicated (non trivial) ACE for the user
118 if its a ACE for a group we're member of
120 if its a trivial ACE_OWNER ACE and requested UUID is the owner
122 if its a trivial ACE_GROUP ACE and requested UUID is group
124 if its a trivial ACE_EVERYONE ACE
127 if (((who == uuid) && !(flags & (ACE_TRIVIAL|ACE_IDENTIFIER_GROUP)))
129 ((flags & ACE_IDENTIFIER_GROUP) && !(flags & ACE_GROUP) && gmem(who))
131 ((flags & ACE_OWNER) && (uuid == sb->st_uid))
133 ((flags & ACE_GROUP) && !(uuid == sb->st_uid) && gmem(sb->st_gid))
135 (flags & ACE_EVERYONE && !(uuid == sb->st_uid) && !gmem(sb->st_gid))
137 /* Found an applicable ACE */
138 if (type == ACE_ACCESS_ALLOWED_ACE_TYPE)
139 allowed_rights |= rights;
140 else if (type == ACE_ACCESS_DENIED_ACE_TYPE)
141 /* Only or to denied rights if not previously allowed !! */
142 denied_rights |= ((!allowed_rights) & rights);
144 } while (++i < ace_count);
147 /* Darwin likes to ask for "delete_child" on dir,
148 "write_data" is actually the same, so we add that for dirs */
149 if (S_ISDIR(sb->st_mode) && (allowed_rights & ACE_WRITE_DATA))
150 allowed_rights |= ACE_DELETE_CHILD;
152 /* Remove denied from allowed rights */
153 allowed_rights &= ~denied_rights;
157 for (i=0; nfsv4_to_darwin_rights[i].from != 0; i++) {
158 if (allowed_rights & nfsv4_to_darwin_rights[i].from)
159 darwin_rights |= nfsv4_to_darwin_rights[i].to;
162 *result |= darwin_rights;
165 if (aces) free(aces);
171 Maps ACE array from Solaris to Darwin. Darwin ACEs are stored in network byte order.
172 Return numer of mapped ACEs or -1 on error.
173 All errors while mapping (e.g. getting UUIDs from LDAP) are fatal.
175 static int map_aces_solaris_to_darwin(const ace_t *aces,
176 darwin_ace_t *darwin_aces,
183 struct passwd *pwd = NULL;
184 struct group *grp = NULL;
186 LOG(log_maxdebug, logtype_afpd, "map_aces_solaris_to_darwin: parsing %d ACES", ace_count);
189 LOG(log_maxdebug, logtype_afpd, "ACE No. %d", ace_count + 1);
190 /* if its a ACE resulting from nfsv4 mode mapping, discard it */
191 if (aces->a_flags & (ACE_OWNER | ACE_GROUP | ACE_EVERYONE)) {
192 LOG(log_debug, logtype_afpd, "trivial ACE");
197 if ( ! (aces->a_flags & ACE_IDENTIFIER_GROUP) ) { /* user ace */
198 LOG(log_debug, logtype_afpd, "uid: %d", aces->a_who);
199 EC_NULL_LOG(pwd = getpwuid(aces->a_who));
200 LOG(log_debug, logtype_afpd, "uid: %d -> name: %s", aces->a_who, pwd->pw_name);
201 EC_ZERO_LOG(getuuidfromname(pwd->pw_name,
203 darwin_aces->darwin_ace_uuid));
204 } else { /* group ace */
205 LOG(log_debug, logtype_afpd, "gid: %d", aces->a_who);
206 EC_NULL_LOG(grp = getgrgid(aces->a_who));
207 LOG(log_debug, logtype_afpd, "gid: %d -> name: %s", aces->a_who, grp->gr_name);
208 EC_ZERO_LOG(getuuidfromname(grp->gr_name,
210 darwin_aces->darwin_ace_uuid));
214 if (aces->a_type == ACE_ACCESS_ALLOWED_ACE_TYPE)
215 flags = DARWIN_ACE_FLAGS_PERMIT;
216 else if (aces->a_type == ACE_ACCESS_DENIED_ACE_TYPE)
217 flags = DARWIN_ACE_FLAGS_DENY;
218 else { /* unsupported type */
222 for(i=0; nfsv4_to_darwin_flags[i].from != 0; i++) {
223 if (aces->a_flags & nfsv4_to_darwin_flags[i].from)
224 flags |= nfsv4_to_darwin_flags[i].to;
226 darwin_aces->darwin_ace_flags = htonl(flags);
230 for (i=0; nfsv4_to_darwin_rights[i].from != 0; i++) {
231 if (aces->a_access_mask & nfsv4_to_darwin_rights[i].from)
232 rights |= nfsv4_to_darwin_rights[i].to;
234 darwin_aces->darwin_ace_rights = htonl(rights);
247 Maps ACE array from Darwin to Solaris. Darwin ACEs are expected in network byte order.
248 Return numer of mapped ACEs or -1 on error.
249 All errors while mapping (e.g. getting UUIDs from LDAP) are fatal.
251 static int map_aces_darwin_to_solaris(darwin_ace_t *darwin_aces,
256 int i, mapped_aces = 0;
257 uint32_t darwin_ace_flags;
258 uint32_t darwin_ace_rights;
259 uint16_t nfsv4_ace_flags;
260 uint32_t nfsv4_ace_rights;
268 nfsv4_ace_rights = 0;
271 EC_ZERO(getnamefromuuid(darwin_aces->darwin_ace_uuid, &name, &uuidtype));
274 EC_NULL_LOG(pwd = getpwnam(name));
275 nfsv4_aces->a_who = pwd->pw_uid;
278 EC_NULL_LOG(grp = getgrnam(name));
279 nfsv4_aces->a_who = (uid_t)(grp->gr_gid);
280 nfsv4_ace_flags |= ACE_IDENTIFIER_GROUP;
289 /* now type: allow/deny */
290 darwin_ace_flags = ntohl(darwin_aces->darwin_ace_flags);
291 if (darwin_ace_flags & DARWIN_ACE_FLAGS_PERMIT)
292 nfsv4_aces->a_type = ACE_ACCESS_ALLOWED_ACE_TYPE;
293 else if (darwin_ace_flags & DARWIN_ACE_FLAGS_DENY)
294 nfsv4_aces->a_type = ACE_ACCESS_DENIED_ACE_TYPE;
295 else { /* unsupported type */
300 for(i=0; darwin_to_nfsv4_flags[i].from != 0; i++) {
301 if (darwin_ace_flags & darwin_to_nfsv4_flags[i].from)
302 nfsv4_ace_flags |= darwin_to_nfsv4_flags[i].to;
306 darwin_ace_rights = ntohl(darwin_aces->darwin_ace_rights);
307 for (i=0; darwin_to_nfsv4_rights[i].from != 0; i++) {
308 if (darwin_ace_rights & darwin_to_nfsv4_rights[i].from)
309 nfsv4_ace_rights |= darwin_to_nfsv4_rights[i].to;
312 LOG(log_debug9, logtype_afpd, "map_aces_darwin_to_solaris: ACE flags: Darwin:%08x -> NFSv4:%04x", darwin_ace_flags, nfsv4_ace_flags);
313 LOG(log_debug9, logtype_afpd, "map_aces_darwin_to_solaris: ACE rights: Darwin:%08x -> NFSv4:%08x", darwin_ace_rights, nfsv4_ace_rights);
315 nfsv4_aces->a_flags = nfsv4_ace_flags;
316 nfsv4_aces->a_access_mask = nfsv4_ace_rights;
329 #endif /* HAVE_SOLARIS_ACLS */
331 /********************************************************
333 ********************************************************/
335 #ifdef HAVE_POSIX_ACLS
337 static uint32_t posix_permset_to_darwin_rights(acl_entry_t e, int is_dir)
341 acl_permset_t permset;
343 EC_ZERO_LOG(acl_get_permset(e, &permset));
345 #ifdef HAVE_ACL_GET_PERM_NP
346 if (acl_get_perm_np(permset, ACL_READ))
348 if (acl_get_perm(permset, ACL_READ))
350 rights = DARWIN_ACE_READ_DATA
351 | DARWIN_ACE_READ_EXTATTRIBUTES
352 | DARWIN_ACE_READ_ATTRIBUTES
353 | DARWIN_ACE_READ_SECURITY;
354 #ifdef HAVE_ACL_GET_PERM_NP
355 if (acl_get_perm_np(permset, ACL_WRITE)) {
357 if (acl_get_perm(permset, ACL_WRITE)) {
359 rights |= DARWIN_ACE_WRITE_DATA
360 | DARWIN_ACE_APPEND_DATA
361 | DARWIN_ACE_WRITE_EXTATTRIBUTES
362 | DARWIN_ACE_WRITE_ATTRIBUTES;
364 rights |= DARWIN_ACE_DELETE_CHILD;
366 #ifdef HAVE_ACL_GET_PERM_NP
367 if (acl_get_perm_np(permset, ACL_EXECUTE))
369 if (acl_get_perm(permset, ACL_EXECUTE))
371 rights |= DARWIN_ACE_EXECUTE;
374 LOG(log_maxdebug, logtype_afpd, "mapped rights: 0x%08x", rights);
379 * Compile access rights for a user to one file-system object
381 * This combines combines all access rights for a user to one fs-object and
382 * returns the result as a Darwin allowed rights ACE.
383 * This must honor trivial ACEs which are a mode_t mapping.
385 * @param path (r) path to filesystem object
386 * @param sb (r) struct stat of path
387 * @param result (rw) resulting Darwin allow ACE
389 * @returns 0 or -1 on error
391 static int posix_acl_rights(const char *path,
392 const struct stat *sb,
397 int entry_id = ACL_FIRST_ENTRY;
398 uint32_t rights = 0, maskrights = 0;
405 EC_NULL_LOG(acl = acl_get_file(path, ACL_TYPE_ACCESS));
407 /* itereate through all ACEs to get the mask */
408 while (!havemask && acl_get_entry(acl, entry_id, &e) == 1) {
409 entry_id = ACL_NEXT_ENTRY;
410 EC_ZERO_LOG(acl_get_tag_type(e, &tag));
413 maskrights = posix_permset_to_darwin_rights(e, S_ISDIR(sb->st_mode));
414 LOG(log_maxdebug, logtype_afpd, "maskrights: 0x%08x", maskrights);
422 /* itereate through all ACEs */
423 entry_id = ACL_FIRST_ENTRY;
424 while (acl_get_entry(acl, entry_id, &e) == 1) {
425 entry_id = ACL_NEXT_ENTRY;
426 EC_ZERO_LOG(acl_get_tag_type(e, &tag));
429 EC_NULL_LOG(uid = (uid_t *)acl_get_qualifier(e));
431 LOG(log_maxdebug, logtype_afpd, "ACL_USER: %u", *uid);
432 rights |= posix_permset_to_darwin_rights(e, S_ISDIR(sb->st_mode));
438 if (sb->st_uid == uuid) {
439 LOG(log_maxdebug, logtype_afpd, "ACL_USER_OBJ: %u", sb->st_uid);
440 rights |= posix_permset_to_darwin_rights(e, S_ISDIR(sb->st_mode));
444 EC_NULL_LOG(gid = (gid_t *)acl_get_qualifier(e));
446 LOG(log_maxdebug, logtype_afpd, "ACL_GROUP: %u", *gid);
447 rights |= (posix_permset_to_darwin_rights(e, S_ISDIR(sb->st_mode)) & maskrights);
453 if (!(sb->st_uid == uuid) && gmem(sb->st_gid)) {
454 LOG(log_maxdebug, logtype_afpd, "ACL_GROUP_OBJ: %u", sb->st_gid);
455 rights |= posix_permset_to_darwin_rights(e, S_ISDIR(sb->st_mode));
459 if (!(sb->st_uid == uuid) && !gmem(sb->st_gid)) {
460 LOG(log_maxdebug, logtype_afpd, "ACL_OTHER");
461 rights |= posix_permset_to_darwin_rights(e, S_ISDIR(sb->st_mode));
472 if (acl) acl_free(acl);
473 if (uid) acl_free(uid);
474 if (gid) acl_free(gid);
479 * Add entries of one acl to another acl
481 * @param aclp (rw) destination acl where new aces will be added
482 * @param acl (r) source acl where aces will be copied from
484 * @returns 0 on success, -1 on error
486 static int acl_add_acl(acl_t *aclp, const acl_t acl)
492 for (id = ACL_FIRST_ENTRY; acl_get_entry(acl, id, &se) == 1; id = ACL_NEXT_ENTRY) {
493 EC_ZERO_LOG_ERR(acl_create_entry(aclp, &de), AFPERR_MISC);
494 EC_ZERO_LOG_ERR(acl_copy_entry(de, se), AFPERR_MISC);
502 * Map Darwin ACE rights to POSIX 1e perm
504 * We can only map few rights:
505 * DARWIN_ACE_READ_DATA -> ACL_READ
506 * DARWIN_ACE_WRITE_DATA -> ACL_WRITE
507 * DARWIN_ACE_DELETE_CHILD & (is_dir == 1) -> ACL_WRITE
508 * DARWIN_ACE_EXECUTE -> ACL_EXECUTE
510 * @param entry (rw) result of the mapping
511 * @param is_dir (r) 1 for dirs, 0 for files
513 * @returns mapping result as acl_perm_t, -1 on error
515 static acl_perm_t map_darwin_right_to_posix_permset(uint32_t darwin_ace_rights, int is_dir)
519 if (darwin_ace_rights & DARWIN_ACE_READ_DATA)
522 if (darwin_ace_rights & (DARWIN_ACE_WRITE_DATA | (DARWIN_ACE_DELETE_CHILD & is_dir)))
525 if (darwin_ace_rights & DARWIN_ACE_EXECUTE)
532 * Add a ACL_USER or ACL_GROUP permission to an ACL, extending existing ACEs
534 * Add a permission of "type" for user or group "id" to an ACL. Scan the ACL
535 * for existing permissions for this type/id, if there is one add the perm,
536 * otherwise create a new ACL entry.
537 * perm can be or'ed ACL_READ, ACL_WRITE and ACL_EXECUTE.
539 * @param aclp (rw) pointer to ACL
540 * @param type (r) acl_tag_t of ACL_USER or ACL_GROUP
541 * @param id (r) uid_t uid for ACL_USER, or gid casted to uid_t for ACL_GROUP
542 * @param perm (r) acl_perm_t permissions to add
544 * @returns 0 on success, -1 on failure
546 static int posix_acl_add_perm(acl_t *aclp, acl_tag_t type, uid_t id, acl_perm_t perm)
552 int entry_id = ACL_FIRST_ENTRY;
553 acl_permset_t permset;
556 for ( ; (! found) && acl_get_entry(*aclp, entry_id, &e) == 1; entry_id = ACL_NEXT_ENTRY) {
557 EC_ZERO_LOG(acl_get_tag_type(e, &tag));
558 if (tag != ACL_USER && tag != ACL_GROUP)
560 EC_NULL_LOG(eid = (uid_t *)acl_get_qualifier(e));
561 if ((*eid == id) && (type == tag)) {
562 /* found an ACE for this type/id */
564 EC_ZERO_LOG(acl_get_permset(e, &permset));
565 EC_ZERO_LOG(acl_add_perm(permset, perm));
573 /* there was no existing ACE for this type/id */
574 EC_ZERO_LOG(acl_create_entry(aclp, &e));
575 EC_ZERO_LOG(acl_set_tag_type(e, type));
576 EC_ZERO_LOG(acl_set_qualifier(e, &id));
577 EC_ZERO_LOG(acl_get_permset(e, &permset));
578 EC_ZERO_LOG(acl_clear_perms(permset));
579 EC_ZERO_LOG(acl_add_perm(permset, perm));
580 EC_ZERO_LOG(acl_set_permset(e, permset));
584 if (eid) acl_free(eid);
590 * Map Darwin ACL to POSIX ACL.
592 * aclp must point to a acl_init'ed acl_t or an acl_t that can eg contain default ACEs.
593 * Mapping pecularities:
594 * - we create a default ace (which inherits to files and dirs) if either
595 DARWIN_ACE_FLAGS_FILE_INHERIT or DARWIN_ACE_FLAGS_DIRECTORY_INHERIT is requested
596 * - we throw away DARWIN_ACE_FLAGS_LIMIT_INHERIT (can't be mapped), thus the ACL will
599 * @param darwin_aces (r) pointer to darwin_aces buffer
600 * @param def_aclp (rw) directories: pointer to an initialized acl_t with the default acl
601 * files: *def_aclp will be NULL
602 * @param acc_aclp (rw) pointer to an initialized acl_t with the access acl
603 * @param ace_count (r) number of ACEs in darwin_aces buffer
605 * @returns 0 on success storing the result in aclp, -1 on error.
607 static int map_aces_darwin_to_posix(const darwin_ace_t *darwin_aces,
618 uint32_t darwin_ace_flags, darwin_ace_rights;
622 for ( ; ace_count != 0; ace_count--, darwin_aces++) {
623 /* type: allow/deny, posix only has allow */
624 darwin_ace_flags = ntohl(darwin_aces->darwin_ace_flags);
625 if ( ! (darwin_ace_flags & DARWIN_ACE_FLAGS_PERMIT))
628 darwin_ace_rights = ntohl(darwin_aces->darwin_ace_rights);
629 perm = map_darwin_right_to_posix_permset(darwin_ace_rights, (*def_aclp != NULL));
631 continue; /* dont add empty perm */
633 LOG(log_debug, logtype_afpd, "map_ace: no: %u, flags: %08x, darwin: %08x, posix: %02x",
634 ace_count, darwin_ace_flags, darwin_ace_rights, perm);
637 EC_ZERO_LOG(getnamefromuuid(darwin_aces->darwin_ace_uuid, &name, &uuidtype));
640 EC_NULL_LOG(pwd = getpwnam(name));
643 LOG(log_debug, logtype_afpd, "map_ace: name: %s, uid: %u", name, id);
646 EC_NULL_LOG(grp = getgrnam(name));
648 id = (uid_t)(grp->gr_gid);
649 LOG(log_debug, logtype_afpd, "map_ace: name: %s, gid: %u", name, id);
657 if (darwin_ace_flags & DARWIN_ACE_INHERIT_CONTROL_FLAGS) {
658 if (*def_aclp == NULL) {
659 /* ace request inheritane but we haven't got a default acl pointer */
660 LOG(log_warning, logtype_afpd, "map_acl: unexpected ACE, flags: 0x%04x",
664 /* add it as default ace */
665 EC_ZERO_LOG(posix_acl_add_perm(def_aclp, tag, id, perm));
668 if (! (darwin_ace_flags & DARWIN_ACE_FLAGS_ONLY_INHERIT))
669 /* if it not a "inherit only" ace, it must be added as access aces too */
670 EC_ZERO_LOG(posix_acl_add_perm(acc_aclp, tag, id, perm));
672 EC_ZERO_LOG(posix_acl_add_perm(acc_aclp, tag, id, perm));
684 * Map ACEs from POSIX to Darwin.
685 * type is either POSIX_DEFAULT_2_DARWIN or POSIX_ACCESS_2_DARWIN, cf. acl_get_file.
686 * Return number of mapped ACES, -1 on error.
688 static int map_acl_posix_to_darwin(int type, const acl_t acl, darwin_ace_t *darwin_aces)
692 int entry_id = ACL_FIRST_ENTRY;
697 struct passwd *pwd = NULL;
698 struct group *grp = NULL;
700 uint32_t rights, maskrights = 0;
701 darwin_ace_t *saved_darwin_aces = darwin_aces;
703 LOG(log_maxdebug, logtype_afpd, "map_aces_posix_to_darwin(%s)",
704 (type & MAP_MASK) == POSIX_DEFAULT_2_DARWIN ?
705 "POSIX_DEFAULT_2_DARWIN" : "POSIX_ACCESS_2_DARWIN");
707 /* itereate through all ACEs */
708 while (acl_get_entry(acl, entry_id, &e) == 1) {
709 entry_id = ACL_NEXT_ENTRY;
712 EC_ZERO_LOG(acl_get_tag_type(e, &tag));
714 /* we return user and group ACE */
717 EC_NULL_LOG(uid = (uid_t *)acl_get_qualifier(e));
718 EC_NULL_LOG(pwd = getpwuid(*uid));
719 LOG(log_debug, logtype_afpd, "map_aces_posix_to_darwin: uid: %d -> name: %s",
721 EC_ZERO_LOG(getuuidfromname(pwd->pw_name, UUID_USER, darwin_aces->darwin_ace_uuid));
727 EC_NULL_LOG(gid = (gid_t *)acl_get_qualifier(e));
728 EC_NULL_LOG(grp = getgrgid(*gid));
729 LOG(log_debug, logtype_afpd, "map_aces_posix_to_darwin: gid: %d -> name: %s",
731 EC_ZERO_LOG(getuuidfromname(grp->gr_name, UUID_GROUP, darwin_aces->darwin_ace_uuid));
737 maskrights = posix_permset_to_darwin_rights(e, type & IS_DIR);
745 flags = DARWIN_ACE_FLAGS_PERMIT;
746 if ((type & MAP_MASK) == POSIX_DEFAULT_2_DARWIN)
747 flags |= DARWIN_ACE_FLAGS_FILE_INHERIT
748 | DARWIN_ACE_FLAGS_DIRECTORY_INHERIT
749 | DARWIN_ACE_FLAGS_ONLY_INHERIT;
750 darwin_aces->darwin_ace_flags = htonl(flags);
753 rights = posix_permset_to_darwin_rights(e, type & IS_DIR);
754 darwin_aces->darwin_ace_rights = htonl(rights);
760 /* Loop through the mapped ACE buffer once again, applying the mask */
761 for (int i = mapped_aces; i > 0; i--) {
762 saved_darwin_aces->darwin_ace_rights &= htonl(maskrights);
766 EC_STATUS(mapped_aces);
769 if (uid) acl_free(uid);
770 if (gid) acl_free(gid);
776 * Multiplex ACL mapping (SOLARIS_2_DARWIN, DARWIN_2_SOLARIS, POSIX_2_DARWIN, DARWIN_2_POSIX).
777 * Reads from 'aces' buffer, writes to 'rbuf' buffer.
778 * Caller must provide buffer.
779 * Darwin ACEs are read and written in network byte order.
780 * Needs to know how many ACEs are in the ACL (ace_count) for Solaris ACLs.
781 * Ignores trivial ACEs.
782 * Return no of mapped ACEs or -1 on error.
784 static int map_acl(int type, void *acl, darwin_ace_t *buf, int ace_count)
788 LOG(log_debug9, logtype_afpd, "map_acl: BEGIN");
790 switch (type & MAP_MASK) {
792 #ifdef HAVE_SOLARIS_ACLS
793 case SOLARIS_2_DARWIN:
794 mapped_aces = map_aces_solaris_to_darwin( acl, buf, ace_count);
797 case DARWIN_2_SOLARIS:
798 mapped_aces = map_aces_darwin_to_solaris( buf, acl, ace_count);
800 #endif /* HAVE_SOLARIS_ACLS */
802 #ifdef HAVE_POSIX_ACLS
803 case POSIX_DEFAULT_2_DARWIN:
804 mapped_aces = map_acl_posix_to_darwin(type, (const acl_t)acl, buf);
807 case POSIX_ACCESS_2_DARWIN:
808 mapped_aces = map_acl_posix_to_darwin(type, (const acl_t)acl, buf);
811 case DARWIN_2_POSIX_DEFAULT:
814 case DARWIN_2_POSIX_ACCESS:
816 #endif /* HAVE_POSIX_ACLS */
823 LOG(log_debug9, logtype_afpd, "map_acl: END");
827 /* Get ACL from object omitting trivial ACEs. Map to Darwin ACL style and
828 store Darwin ACL at rbuf. Add length of ACL written to rbuf to *rbuflen.
829 Returns 0 on success, -1 on error. */
830 static int get_and_map_acl(char *name, char *rbuf, size_t *rbuflen)
835 uint32_t *darwin_ace_count = (u_int32_t *)rbuf;
836 #ifdef HAVE_SOLARIS_ACLS
840 #ifdef HAVE_POSIX_ACLS
843 LOG(log_debug9, logtype_afpd, "get_and_map_acl: BEGIN");
845 /* Skip length and flags */
850 #ifdef HAVE_SOLARIS_ACLS
851 EC_NEG1(ace_count = get_nfsv4_acl(name, &aces));
852 EC_NEG1(mapped_aces = map_acl(SOLARIS_2_DARWIN, aces, (darwin_ace_t *)rbuf, ace_count));
853 #endif /* HAVE_SOLARIS_ACLS */
855 #ifdef HAVE_POSIX_ACLS
856 acl_t defacl = NULL , accacl = NULL;
858 /* stat to check if its a dir */
859 EC_ZERO_LOG(lstat(name, &st));
861 /* if its a dir, check for default acl too */
863 if (S_ISDIR(st.st_mode)) {
865 EC_NULL_LOG(defacl = acl_get_file(name, ACL_TYPE_DEFAULT));
866 EC_NEG1(mapped_aces = map_acl(POSIX_DEFAULT_2_DARWIN | dirflag,
868 (darwin_ace_t *)rbuf,
872 EC_NULL_LOG(accacl = acl_get_file(name, ACL_TYPE_ACCESS));
875 EC_NEG1(tmp = map_acl(POSIX_ACCESS_2_DARWIN | dirflag,
877 (darwin_ace_t *)(rbuf + mapped_aces * sizeof(darwin_ace_t)),
880 #endif /* HAVE_POSIX_ACLS */
882 LOG(log_debug, logtype_afpd, "get_and_map_acl: mapped %d ACEs", mapped_aces);
884 *darwin_ace_count = htonl(mapped_aces);
885 *rbuflen += sizeof(darwin_acl_header_t) + (mapped_aces * sizeof(darwin_ace_t));
890 #ifdef HAVE_SOLARIS_ACLS
891 if (aces) free(aces);
893 #ifdef HAVE_POSIX_ACLS
894 if (defacl) acl_free(defacl);
895 if (accacl) acl_free(accacl);
896 #endif /* HAVE_POSIX_ACLS */
898 LOG(log_debug9, logtype_afpd, "get_and_map_acl: END");
903 /* Removes all non-trivial ACLs from object. Returns full AFPERR code. */
904 static int remove_acl(const struct vol *vol,const char *path, int dir)
908 #if (defined HAVE_SOLARIS_ACLS || defined HAVE_POSIX_ACLS)
909 /* Ressource etc. first */
910 if ((ret = vol->vfs->vfs_remove_acl(vol, path, dir)) != AFP_OK)
912 /* now the data fork or dir */
913 ret = remove_acl_vfs(path);
920 - the client sends a complete list of ACEs, not only new ones. So we dont need to do
921 any combination business (one exception being 'kFileSec_Inherit': see next)
922 - client might request that we add inherited ACEs via 'kFileSec_Inherit'.
923 We will store inherited ACEs first, which is Darwins canonical order.
924 - returns AFPerror code
926 #ifdef HAVE_SOLARIS_ACLS
927 static int set_acl(const struct vol *vol,
934 int i, nfsv4_ace_count;
935 int tocopy_aces_count = 0, new_aces_count = 0, trivial_ace_count = 0;
936 ace_t *old_aces, *new_aces = NULL;
939 LOG(log_debug9, logtype_afpd, "set_acl: BEGIN");
942 /* inherited + trivial ACEs */
943 flags = ACE_INHERITED_ACE | ACE_OWNER | ACE_GROUP | ACE_EVERYONE;
945 /* only trivial ACEs */
946 flags = ACE_OWNER | ACE_GROUP | ACE_EVERYONE;
948 /* Get existing ACL and count ACEs which have to be copied */
949 if ((nfsv4_ace_count = get_nfsv4_acl(name, &old_aces)) == -1)
951 for ( i=0; i < nfsv4_ace_count; i++) {
952 if (old_aces[i].a_flags & flags)
956 /* Now malloc buffer exactly sized to fit all new ACEs */
957 if ((new_aces = malloc((ace_count + tocopy_aces_count) * sizeof(ace_t))) == NULL) {
958 LOG(log_error, logtype_afpd, "set_acl: malloc %s", strerror(errno));
959 EC_STATUS(AFPERR_MISC);
963 /* Start building new ACL */
965 /* Copy local inherited ACEs. Therefore we have 'Darwin canonical order' (see chmod there):
966 inherited ACEs first. */
968 for (i=0; i < nfsv4_ace_count; i++) {
969 if (old_aces[i].a_flags & ACE_INHERITED_ACE) {
970 memcpy(&new_aces[new_aces_count], &old_aces[i], sizeof(ace_t));
975 LOG(log_debug7, logtype_afpd, "set_acl: copied %d inherited ACEs", new_aces_count);
977 /* Now the ACEs from the client */
978 if ((ret = (map_acl(DARWIN_2_SOLARIS,
979 &new_aces[new_aces_count],
981 ace_count))) == -1) {
982 EC_STATUS(AFPERR_PARAM);
985 new_aces_count += ret;
986 LOG(log_debug7, logtype_afpd, "set_acl: mapped %d ACEs from client", ret);
988 /* Now copy the trivial ACEs */
989 for (i=0; i < nfsv4_ace_count; i++) {
990 if (old_aces[i].a_flags & (ACE_OWNER | ACE_GROUP | ACE_EVERYONE)) {
991 memcpy(&new_aces[new_aces_count], &old_aces[i], sizeof(ace_t));
996 LOG(log_debug7, logtype_afpd, "set_acl: copied %d trivial ACEs", trivial_ace_count);
998 /* Ressourcefork first.
999 Note: for dirs we set the same ACL on the .AppleDouble/.Parent _file_. This
1000 might be strange for ACE_DELETE_CHILD and for inheritance flags. */
1001 if ((ret = (vol->vfs->vfs_acl(vol, name, ACE_SETACL, new_aces_count, new_aces))) != 0) {
1002 LOG(log_error, logtype_afpd, "set_acl: error setting acl: %s", strerror(errno));
1003 if (errno == (EACCES | EPERM))
1004 EC_STATUS(AFPERR_ACCESS);
1005 else if (errno == ENOENT)
1006 EC_STATUS(AFPERR_NOITEM);
1008 EC_STATUS(AFPERR_MISC);
1011 if ((ret = (acl(name, ACE_SETACL, new_aces_count, new_aces))) != 0) {
1012 LOG(log_error, logtype_afpd, "set_acl: error setting acl: %s", strerror(errno));
1013 if (errno == (EACCES | EPERM))
1014 EC_STATUS(AFPERR_ACCESS);
1015 else if (errno == ENOENT)
1016 EC_STATUS(AFPERR_NOITEM);
1018 EC_STATUS(AFPERR_MISC);
1025 if (old_aces) free(old_aces);
1026 if (new_aces) free(new_aces);
1028 LOG(log_debug9, logtype_afpd, "set_acl: END");
1031 #endif /* HAVE_SOLARIS_ACLS */
1033 #ifdef HAVE_POSIX_ACLS
1034 static int set_acl(const struct vol *vol,
1037 darwin_ace_t *daces,
1041 acl_t def_acl = NULL;
1042 acl_t acc_acl = NULL;
1044 LOG(log_maxdebug, logtype_afpd, "set_acl: BEGIN");
1047 EC_ZERO_LOG_ERR(lstat(name, &st), AFPERR_NOOBJ);
1049 /* seed default ACL with access ACL */
1050 if (S_ISDIR(st.st_mode))
1051 EC_NULL_LOG_ERR(def_acl = acl_get_file(name, ACL_TYPE_ACCESS), AFPERR_MISC);
1053 /* for files def_acl will be NULL */
1055 /* create access acl from mode */
1056 #ifdef HAVE_ACL_FROM_MODE
1057 EC_NULL_LOG_ERR(acc_acl = acl_from_mode(st.st_mode), AFPERR_MISC);
1059 #error "Missing acl_from_mode() replacement"
1061 /* adds the clients aces */
1062 EC_ZERO_ERR(map_aces_darwin_to_posix(daces, &def_acl, &acc_acl, ace_count), AFPERR_MISC);
1064 /* calcuate ACL mask */
1065 EC_ZERO_LOG_ERR(acl_calc_mask(&acc_acl), AFPERR_MISC);
1068 EC_ZERO_LOG_ERR(acl_valid(acc_acl), AFPERR_MISC);
1071 EC_ZERO_LOG_ERR(acl_set_file(name, ACL_TYPE_ACCESS, acc_acl), AFPERR_MISC);
1072 EC_ZERO_LOG_ERR(vol->vfs->vfs_acl(vol, name, ACL_TYPE_ACCESS, 0, acc_acl), AFPERR_MISC);
1075 EC_ZERO_LOG_ERR(acl_set_file(name, ACL_TYPE_DEFAULT, def_acl), AFPERR_MISC);
1076 EC_ZERO_LOG_ERR(vol->vfs->vfs_acl(vol, name, ACL_TYPE_DEFAULT, 0, def_acl), AFPERR_MISC);
1083 LOG(log_maxdebug, logtype_afpd, "set_acl: END");
1086 #endif /* HAVE_POSIX_ACLS */
1089 * Checks if a given UUID has requested_rights(type darwin_ace_rights) for path.
1091 * Note: this gets called frequently and is a good place for optimizations !
1093 * @param vol (r) volume
1094 * @param dir (r) directory
1095 * @param path (r) path to filesystem object
1096 * @param uuid (r) UUID of user
1097 * @param requested_rights (r) requested Darwin ACE
1099 * @returns AFP result code
1101 static int check_acl_access(const struct vol *vol,
1102 const struct dir *dir,
1105 uint32_t requested_rights)
1108 uint32_t allowed_rights = 0;
1109 char *username = NULL;
1110 uuidtype_t uuidtype;
1112 bstring parent = NULL;
1114 LOG(log_maxdebug, logtype_afpd, "check_access: Request: 0x%08x", requested_rights);
1116 /* Get uid or gid from UUID */
1117 EC_ZERO_LOG_ERR(getnamefromuuid(uuid, &username, &uuidtype), AFPERR_PARAM);
1118 EC_ZERO_LOG_ERR(lstat(path, &st), AFPERR_PARAM);
1124 LOG(log_warning, logtype_afpd, "check_access: afp_access not supported for groups");
1125 EC_STATUS(AFPERR_MISC);
1128 EC_STATUS(AFPERR_MISC);
1132 #ifdef HAVE_SOLARIS_ACLS
1133 EC_ZERO_LOG(solaris_acl_rights(path, &st, &allowed_rights));
1135 #ifdef HAVE_POSIX_ACLS
1136 EC_ZERO_LOG(posix_acl_rights(path, &st, &allowed_rights));
1139 LOG(log_debug, logtype_afpd, "allowed rights: 0x%08x", allowed_rights);
1142 * The DARWIN_ACE_DELETE right might implicitly result from write acces to the parent
1143 * directory. As it seems the 10.6 AFP client is puzzled when this right is not
1144 * allowed where a delete would succeed because the parent dir gives write perms.
1145 * So we check the parent dir for write access and set the right accordingly.
1146 * Currentyl acl2ownermode calls us with dir = NULL, because it doesn't make sense
1147 * there to do this extra check -- afaict.
1149 if (vol && dir && (requested_rights & DARWIN_ACE_DELETE)) {
1151 uint32_t parent_rights = 0;
1153 if (dir->d_did == DIRDID_ROOT_PARENT) {
1154 /* use volume path */
1155 EC_NULL_LOG_ERR(parent = bfromcstr(vol->v_path), AFPERR_MISC);
1157 /* build path for parent */
1158 EC_NULL_LOG_ERR(parent = bstrcpy(dir->d_fullpath), AFPERR_MISC);
1159 EC_ZERO_LOG_ERR(bconchar(parent, '/'), AFPERR_MISC);
1160 EC_ZERO_LOG_ERR(bcatcstr(parent, path), AFPERR_MISC);
1161 EC_NEG1_LOG_ERR(i = bstrrchr(parent, '/'), AFPERR_MISC);
1162 EC_ZERO_LOG_ERR(binsertch(parent, i, 1, 0), AFPERR_MISC);
1165 LOG(log_debug, logtype_afpd,"parent: %s", cfrombstr(parent));
1166 EC_ZERO_LOG_ERR(lstat(cfrombstr(parent), &st), AFPERR_MISC);
1168 #ifdef HAVE_SOLARIS_ACLS
1169 EC_ZERO_LOG(solaris_acl_rights(cfrombstr(parent), &st, &parent_rights));
1171 #ifdef HAVE_POSIX_ACLS
1172 EC_ZERO_LOG(posix_acl_rights(path, &st, &allowed_rights));
1174 if (parent_rights & (DARWIN_ACE_WRITE_DATA | DARWIN_ACE_DELETE_CHILD))
1175 allowed_rights |= DARWIN_ACE_DELETE; /* man, that was a lot of work! */
1178 if ((requested_rights & allowed_rights) != requested_rights) {
1179 LOG(log_debug, logtype_afpd, "some requested right wasn't allowed: 0x%08x / 0x%08x",
1180 requested_rights, allowed_rights);
1181 EC_STATUS(AFPERR_ACCESS);
1183 LOG(log_debug, logtype_afpd, "all requested rights are allowed: 0x%08x",
1189 if (username) free(username);
1190 if (parent) bdestroy(parent);
1195 /********************************************************
1197 ********************************************************/
1199 int afp_access(AFPObj *obj, char *ibuf, size_t ibuflen _U_, char *rbuf _U_, size_t *rbuflen)
1204 uint32_t did, darwin_ace_rights;
1206 struct path *s_path;
1212 memcpy(&vid, ibuf, sizeof( vid ));
1213 ibuf += sizeof(vid);
1214 if (NULL == ( vol = getvolbyvid( vid ))) {
1215 LOG(log_error, logtype_afpd, "afp_access: error getting volid:%d", vid);
1216 return AFPERR_NOOBJ;
1219 memcpy(&did, ibuf, sizeof( did ));
1220 ibuf += sizeof( did );
1221 if (NULL == ( dir = dirlookup( vol, did ))) {
1222 LOG(log_error, logtype_afpd, "afp_access: error getting did:%d", did);
1229 /* Store UUID address */
1230 uuid = (uuidp_t)ibuf;
1231 ibuf += UUID_BINSIZE;
1233 /* Store ACE rights */
1234 memcpy(&darwin_ace_rights, ibuf, 4);
1235 darwin_ace_rights = ntohl(darwin_ace_rights);
1238 /* get full path and handle file/dir subtleties in netatalk code*/
1239 if (NULL == ( s_path = cname( vol, dir, &ibuf ))) {
1240 LOG(log_error, logtype_afpd, "afp_getacl: cname got an error!");
1241 return AFPERR_NOOBJ;
1243 if (!s_path->st_valid)
1244 of_statdir(vol, s_path);
1245 if ( s_path->st_errno != 0 ) {
1246 LOG(log_error, logtype_afpd, "afp_getacl: cant stat");
1247 return AFPERR_NOOBJ;
1250 ret = check_acl_access(vol, dir, s_path->u_name, uuid, darwin_ace_rights);
1255 int afp_getacl(AFPObj *obj, char *ibuf, size_t ibuflen _U_, char *rbuf _U_, size_t *rbuflen)
1261 uint16_t vid, bitmap;
1262 struct path *s_path;
1266 LOG(log_debug9, logtype_afpd, "afp_getacl: BEGIN");
1270 memcpy(&vid, ibuf, sizeof( vid ));
1271 ibuf += sizeof(vid);
1272 if (NULL == ( vol = getvolbyvid( vid ))) {
1273 LOG(log_error, logtype_afpd, "afp_getacl: error getting volid:%d", vid);
1274 return AFPERR_NOOBJ;
1277 memcpy(&did, ibuf, sizeof( did ));
1278 ibuf += sizeof( did );
1279 if (NULL == ( dir = dirlookup( vol, did ))) {
1280 LOG(log_error, logtype_afpd, "afp_getacl: error getting did:%d", did);
1284 memcpy(&bitmap, ibuf, sizeof( bitmap ));
1285 memcpy(rbuf, ibuf, sizeof( bitmap ));
1286 bitmap = ntohs( bitmap );
1287 ibuf += sizeof( bitmap );
1288 rbuf += sizeof( bitmap );
1289 *rbuflen += sizeof( bitmap );
1291 /* skip maxreplysize */
1294 /* get full path and handle file/dir subtleties in netatalk code*/
1295 if (NULL == ( s_path = cname( vol, dir, &ibuf ))) {
1296 LOG(log_error, logtype_afpd, "afp_getacl: cname got an error!");
1297 return AFPERR_NOOBJ;
1299 if (!s_path->st_valid)
1300 of_statdir(vol, s_path);
1301 if ( s_path->st_errno != 0 ) {
1302 LOG(log_error, logtype_afpd, "afp_getacl: cant stat");
1303 return AFPERR_NOOBJ;
1306 /* Shall we return owner UUID ? */
1307 if (bitmap & kFileSec_UUID) {
1308 LOG(log_debug, logtype_afpd, "afp_getacl: client requested files owner user UUID");
1309 if (NULL == (pw = getpwuid(s_path->st.st_uid))) {
1310 LOG(log_debug, logtype_afpd, "afp_getacl: local uid: %u", s_path->st.st_uid);
1311 localuuid_from_id(rbuf, UUID_USER, s_path->st.st_uid);
1313 LOG(log_debug, logtype_afpd, "afp_getacl: got uid: %d, name: %s", s_path->st.st_uid, pw->pw_name);
1314 if ((ret = getuuidfromname(pw->pw_name, UUID_USER, rbuf)) != 0)
1317 rbuf += UUID_BINSIZE;
1318 *rbuflen += UUID_BINSIZE;
1321 /* Shall we return group UUID ? */
1322 if (bitmap & kFileSec_GRPUUID) {
1323 LOG(log_debug, logtype_afpd, "afp_getacl: client requested files owner group UUID");
1324 if (NULL == (gr = getgrgid(s_path->st.st_gid))) {
1325 LOG(log_debug, logtype_afpd, "afp_getacl: local gid: %u", s_path->st.st_gid);
1326 localuuid_from_id(rbuf, UUID_GROUP, s_path->st.st_gid);
1328 LOG(log_debug, logtype_afpd, "afp_getacl: got gid: %d, name: %s", s_path->st.st_gid, gr->gr_name);
1329 if ((ret = getuuidfromname(gr->gr_name, UUID_GROUP, rbuf)) != 0)
1332 rbuf += UUID_BINSIZE;
1333 *rbuflen += UUID_BINSIZE;
1336 /* Shall we return ACL ? */
1337 if (bitmap & kFileSec_ACL) {
1338 LOG(log_debug, logtype_afpd, "afp_getacl: client requested files ACL");
1339 if (get_and_map_acl(s_path->u_name, rbuf, rbuflen) != 0) {
1340 LOG(log_error, logtype_afpd, "afp_getacl(\"%s/%s\"): mapping error",
1341 getcwdpath(), s_path->u_name);
1346 LOG(log_debug9, logtype_afpd, "afp_getacl: END");
1350 int afp_setacl(AFPObj *obj, char *ibuf, size_t ibuflen _U_, char *rbuf _U_, size_t *rbuflen)
1356 uint16_t vid, bitmap;
1357 struct path *s_path;
1359 LOG(log_debug9, logtype_afpd, "afp_setacl: BEGIN");
1363 memcpy(&vid, ibuf, sizeof( vid ));
1364 ibuf += sizeof(vid);
1365 if (NULL == ( vol = getvolbyvid( vid ))) {
1366 LOG(log_error, logtype_afpd, "afp_setacl: error getting volid:%d", vid);
1367 return AFPERR_NOOBJ;
1370 memcpy(&did, ibuf, sizeof( did ));
1371 ibuf += sizeof( did );
1372 if (NULL == ( dir = dirlookup( vol, did ))) {
1373 LOG(log_error, logtype_afpd, "afp_setacl: error getting did:%d", did);
1377 memcpy(&bitmap, ibuf, sizeof( bitmap ));
1378 bitmap = ntohs( bitmap );
1379 ibuf += sizeof( bitmap );
1381 /* get full path and handle file/dir subtleties in netatalk code*/
1382 if (NULL == ( s_path = cname( vol, dir, &ibuf ))) {
1383 LOG(log_error, logtype_afpd, "afp_setacl: cname got an error!");
1384 return AFPERR_NOOBJ;
1386 if (!s_path->st_valid)
1387 of_statdir(vol, s_path);
1388 if ( s_path->st_errno != 0 ) {
1389 LOG(log_error, logtype_afpd, "afp_setacl: cant stat");
1390 return AFPERR_NOOBJ;
1392 LOG(log_debug, logtype_afpd, "afp_setacl: unixname: %s", s_path->u_name);
1395 if ((unsigned long)ibuf & 1)
1398 /* Start processing request */
1400 /* Change owner: dont even try */
1401 if (bitmap & kFileSec_UUID) {
1402 LOG(log_note, logtype_afpd, "afp_setacl: change owner request, discarded");
1403 ret = AFPERR_ACCESS;
1404 ibuf += UUID_BINSIZE;
1407 /* Change group: certain changes might be allowed, so try it. FIXME: not implemented yet. */
1408 if (bitmap & kFileSec_UUID) {
1409 LOG(log_note, logtype_afpd, "afp_setacl: change group request, not supported");
1411 ibuf += UUID_BINSIZE;
1415 if (bitmap & kFileSec_REMOVEACL) {
1416 LOG(log_debug, logtype_afpd, "afp_setacl: Remove ACL request.");
1417 if ((ret = remove_acl(vol, s_path->u_name, S_ISDIR(s_path->st.st_mode))) != AFP_OK)
1418 LOG(log_error, logtype_afpd, "afp_setacl: error from remove_acl");
1422 if (bitmap & kFileSec_ACL) {
1423 LOG(log_debug, logtype_afpd, "afp_setacl: Change ACL request.");
1424 /* Get no of ACEs the client put on the wire */
1426 memcpy(&ace_count, ibuf, sizeof(uint32_t));
1427 ace_count = htonl(ace_count);
1428 ibuf += 8; /* skip ACL flags (see acls.h) */
1432 (bitmap & kFileSec_Inherit),
1433 (darwin_ace_t *)ibuf,
1438 LOG(log_warning, logtype_afpd, "afp_setacl(\"%s/%s\"): error",
1439 getcwdpath(), s_path->u_name);
1444 LOG(log_debug9, logtype_afpd, "afp_setacl: END");
1448 /********************************************************************
1449 * ACL funcs interfacing with other parts
1450 ********************************************************************/
1453 * map ACL to user maccess
1455 * This is the magic function that makes ACLs usable by calculating
1456 * the access granted by ACEs to the logged in user.
1458 int acltoownermode(char *path, struct stat *st, struct maccess *ma)
1461 uint32_t rights = 0;
1463 if ( ! (AFPobj->options.flags & OPTION_ACL2MACCESS)
1464 || (current_vol == NULL)
1465 || ! (current_vol->v_flags & AFPVOL_ACLS))
1468 LOG(log_maxdebug, logtype_afpd, "acltoownermode(\"%s/%s\", 0x%02x)",
1469 getcwdpath(), path, ma->ma_user);
1471 #ifdef HAVE_SOLARIS_ACLS
1472 EC_ZERO_LOG(solaris_acl_rights(path, st, &rights));
1474 #ifdef HAVE_POSIX_ACLS
1475 EC_ZERO_LOG(posix_acl_rights(path, st, &rights));
1478 LOG(log_maxdebug, logtype_afpd, "rights: 0x%08x", rights);
1480 if (rights & DARWIN_ACE_READ_DATA)
1481 ma->ma_user |= AR_UREAD;
1482 if (rights & DARWIN_ACE_WRITE_DATA)
1483 ma->ma_user |= AR_UWRITE;
1484 if (rights & (DARWIN_ACE_EXECUTE | DARWIN_ACE_SEARCH))
1485 ma->ma_user |= AR_USEARCH;
1487 LOG(log_maxdebug, logtype_afpd, "resulting user maccess: 0x%02x", ma->ma_user);
1494 * Check whether a volume supports ACLs
1496 * @param vol (r) volume
1498 * @returns 0 if not, 1 if yes
1500 int check_vol_acl_support(const struct vol *vol)
1504 #ifdef HAVE_SOLARIS_ACLS
1506 if (get_nfsv4_acl(vol->v_path, &aces) == -1)
1509 #ifdef HAVE_POSIX_ACLS
1511 if ((acl = acl_get_file(vol->v_path, ACL_TYPE_ACCESS)) == NULL)
1515 #ifdef HAVE_SOLARIS_ACLS
1516 if (aces) free(aces);
1518 #ifdef HAVE_POSIX_ACLS
1519 if (acl) acl_free(acl);
1520 #endif /* HAVE_POSIX_ACLS */
1522 LOG(log_debug, logtype_afpd, "Volume \"%s\" ACL support: %s",
1523 vol->v_path, ret ? "yes" : "no");