octave-kai/gnulib-hg: lib/file-has-acl.c annotate

annotate lib/file-has-acl.c @ 10780:5c7a68d31801

Add support for Haiku.

author	Bruno Haible <bruno@clisp.org>
date	Mon, 10 Nov 2008 12:37:32 +0100
parents	ccfd3047da72
children	03ef9ae804c9

rev	line source
8476 2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	1 /* Test whether a file has a nontrivial access control list.
2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	2
10114 51164d97e89b Make copy_acl work on MacOS X 10.5. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	3 Copyright (C) 2002-2003, 2005-2008 Free Software Foundation, Inc.
8476 2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	4
9309 bbbbbf4cd1c5 Change copyright notice from GPLv2+ to GPLv3+. Bruno Haible <bruno@clisp.org> parents: 8476 diff changeset	5 This program is free software: you can redistribute it and/or modify
8476 2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	6 it under the terms of the GNU General Public License as published by
9309 bbbbbf4cd1c5 Change copyright notice from GPLv2+ to GPLv3+. Bruno Haible <bruno@clisp.org> parents: 8476 diff changeset	7 the Free Software Foundation; either version 3 of the License, or
bbbbbf4cd1c5 Change copyright notice from GPLv2+ to GPLv3+. Bruno Haible <bruno@clisp.org> parents: 8476 diff changeset	8 (at your option) any later version.
8476 2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	9
2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	10 This program is distributed in the hope that it will be useful,
2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	11 but WITHOUT ANY WARRANTY; without even the implied warranty of
2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	13 GNU General Public License for more details.
2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	14
2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	15 You should have received a copy of the GNU General Public License
9309 bbbbbf4cd1c5 Change copyright notice from GPLv2+ to GPLv3+. Bruno Haible <bruno@clisp.org> parents: 8476 diff changeset	16 along with this program. If not, see <http://www.gnu.org/licenses/>.
8476 2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	17
10184 9da2345fe8f6 Add me as co-author. Bruno Haible <bruno@clisp.org> parents: 10183 diff changeset	18 Written by Paul Eggert, Andreas Grünbacher, and Bruno Haible. */
8476 2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	19
2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	20 #include <config.h>
2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	21
2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	22 #include "acl.h"
2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	23
2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	24 #include "acl-internal.h"
2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	25
10158 73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	26
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	27 #if USE_ACL && HAVE_ACL_GET_FILE
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	28
10177 caed32fb1892 New function acl_extended_nontrivial (MacOS X only). Bruno Haible <bruno@clisp.org> parents: 10175 diff changeset	29 # if HAVE_ACL_TYPE_EXTENDED /* MacOS X */
caed32fb1892 New function acl_extended_nontrivial (MacOS X only). Bruno Haible <bruno@clisp.org> parents: 10175 diff changeset	30
caed32fb1892 New function acl_extended_nontrivial (MacOS X only). Bruno Haible <bruno@clisp.org> parents: 10175 diff changeset	31 /* ACL is an ACL, from a file, stored as type ACL_TYPE_EXTENDED.
caed32fb1892 New function acl_extended_nontrivial (MacOS X only). Bruno Haible <bruno@clisp.org> parents: 10175 diff changeset	32 Return 1 if the given ACL is non-trivial.
caed32fb1892 New function acl_extended_nontrivial (MacOS X only). Bruno Haible <bruno@clisp.org> parents: 10175 diff changeset	33 Return 0 if it is trivial. */
caed32fb1892 New function acl_extended_nontrivial (MacOS X only). Bruno Haible <bruno@clisp.org> parents: 10175 diff changeset	34 int
caed32fb1892 New function acl_extended_nontrivial (MacOS X only). Bruno Haible <bruno@clisp.org> parents: 10175 diff changeset	35 acl_extended_nontrivial (acl_t acl)
caed32fb1892 New function acl_extended_nontrivial (MacOS X only). Bruno Haible <bruno@clisp.org> parents: 10175 diff changeset	36 {
caed32fb1892 New function acl_extended_nontrivial (MacOS X only). Bruno Haible <bruno@clisp.org> parents: 10175 diff changeset	37 /* acl is non-trivial if it is non-empty. */
caed32fb1892 New function acl_extended_nontrivial (MacOS X only). Bruno Haible <bruno@clisp.org> parents: 10175 diff changeset	38 return (acl_entries (acl) > 0);
caed32fb1892 New function acl_extended_nontrivial (MacOS X only). Bruno Haible <bruno@clisp.org> parents: 10175 diff changeset	39 }
caed32fb1892 New function acl_extended_nontrivial (MacOS X only). Bruno Haible <bruno@clisp.org> parents: 10175 diff changeset	40
caed32fb1892 New function acl_extended_nontrivial (MacOS X only). Bruno Haible <bruno@clisp.org> parents: 10175 diff changeset	41 # else /* Linux, FreeBSD, IRIX, Tru64 */
caed32fb1892 New function acl_extended_nontrivial (MacOS X only). Bruno Haible <bruno@clisp.org> parents: 10175 diff changeset	42
10158 73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	43 /* ACL is an ACL, from a file, stored as type ACL_TYPE_ACCESS.
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	44 Return 1 if the given ACL is non-trivial.
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	45 Return 0 if it is trivial, i.e. equivalent to a simple stat() mode.
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	46 Return -1 and set errno upon failure to determine it. */
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	47 int
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	48 acl_access_nontrivial (acl_t acl)
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	49 {
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	50 /* acl is non-trivial if it has some entries other than for "user::",
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	51 "group::", and "other::". Normally these three should be present
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	52 at least, allowing us to write
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	53 return (3 < acl_entries (acl));
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	54 but the following code is more robust. */
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	55 # if HAVE_ACL_FIRST_ENTRY /* Linux, FreeBSD */
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	56
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	57 acl_entry_t ace;
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	58 int at_end;
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	59
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	60 for (at_end = acl_get_entry (acl, ACL_FIRST_ENTRY, &ace);
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	61 !at_end;
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	62 at_end = acl_get_entry (acl, ACL_NEXT_ENTRY, &ace))
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	63 {
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	64 acl_tag_t tag;
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	65 if (acl_get_tag_type (ace, &tag) < 0)
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	66 return -1;
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	67 if (!(tag == ACL_USER_OBJ \|\| tag == ACL_GROUP_OBJ \|\| tag == ACL_OTHER))
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	68 return 1;
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	69 }
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	70 return 0;
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	71
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	72 # else /* IRIX, Tru64 */
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	73 # if HAVE_ACL_TO_SHORT_TEXT /* IRIX */
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	74 /* Don't use acl_get_entry: it is undocumented. */
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	75
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	76 int count = acl->acl_cnt;
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	77 int i;
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	78
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	79 for (i = 0; i < count; i++)
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	80 {
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	81 acl_entry_t ace = &acl->acl_entry[i];
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	82 acl_tag_t tag = ace->ae_tag;
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	83
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	84 if (!(tag == ACL_USER_OBJ \|\| tag == ACL_GROUP_OBJ
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	85 \|\| tag == ACL_OTHER_OBJ))
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	86 return 1;
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	87 }
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	88 return 0;
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	89
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	90 # endif
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	91 # if HAVE_ACL_FREE_TEXT /* Tru64 */
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	92 /* Don't use acl_get_entry: it takes only one argument and does not work. */
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	93
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	94 int count = acl->acl_num;
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	95 acl_entry_t ace;
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	96
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	97 for (ace = acl->acl_first; count > 0; ace = ace->next, count--)
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	98 {
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	99 acl_tag_t tag;
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	100 acl_perm_t perm;
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	101
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	102 tag = ace->entry->acl_type;
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	103 if (!(tag == ACL_USER_OBJ \|\| tag == ACL_GROUP_OBJ \|\| tag == ACL_OTHER))
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	104 return 1;
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	105
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	106 perm = ace->entry->acl_perm;
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	107 /* On Tru64, perm can also contain non-standard bits such as
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	108 PERM_INSERT, PERM_DELETE, PERM_MODIFY, PERM_LOOKUP, ... */
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	109 if ((perm & ~(ACL_READ \| ACL_WRITE \| ACL_EXECUTE)) != 0)
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	110 return 1;
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	111 }
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	112 return 0;
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	113
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	114 # endif
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	115 # endif
10177 caed32fb1892 New function acl_extended_nontrivial (MacOS X only). Bruno Haible <bruno@clisp.org> parents: 10175 diff changeset	116 }
10158 73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	117
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	118 # endif
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	119
10179 90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	120
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	121 #elif USE_ACL && HAVE_ACL && defined GETACL /* Solaris, Cygwin, not HP-UX */
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	122
10191 ccfd3047da72 Work around the Solaris 10 ACE ACLs ABI change. Bruno Haible <bruno@clisp.org> parents: 10185 diff changeset	123 # if !defined ACL_NO_TRIVIAL /* Solaris <= 10, Cygwin */
ccfd3047da72 Work around the Solaris 10 ACE ACLs ABI change. Bruno Haible <bruno@clisp.org> parents: 10185 diff changeset	124
10179 90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	125 /* Test an ACL retrieved with GETACL.
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	126 Return 1 if the given ACL, consisting of COUNT entries, is non-trivial.
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	127 Return 0 if it is trivial, i.e. equivalent to a simple stat() mode. */
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	128 int
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	129 acl_nontrivial (int count, aclent_t *entries)
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	130 {
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	131 int i;
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	132
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	133 for (i = 0; i < count; i++)
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	134 {
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	135 aclent_t *ace = &entries[i];
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	136
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	137 /* Note: If ace->a_type = USER_OBJ, ace->a_id is the st_uid from stat().
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	138 If ace->a_type = GROUP_OBJ, ace->a_id is the st_gid from stat().
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	139 We don't need to check ace->a_id in these cases. */
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	140 if (!(ace->a_type == USER_OBJ
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	141 \|\| ace->a_type == GROUP_OBJ
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	142 \|\| ace->a_type == OTHER_OBJ
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	143 /* Note: Cygwin does not return a CLASS_OBJ ("mask:") entry
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	144 sometimes. */
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	145 \|\| ace->a_type == CLASS_OBJ))
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	146 return 1;
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	147 }
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	148 return 0;
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	149 }
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	150
10191 ccfd3047da72 Work around the Solaris 10 ACE ACLs ABI change. Bruno Haible <bruno@clisp.org> parents: 10185 diff changeset	151 # ifdef ACE_GETACL
10179 90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	152
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	153 /* Test an ACL retrieved with ACE_GETACL.
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	154 Return 1 if the given ACL, consisting of COUNT entries, is non-trivial.
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	155 Return 0 if it is trivial, i.e. equivalent to a simple stat() mode. */
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	156 int
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	157 acl_ace_nontrivial (int count, ace_t *entries)
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	158 {
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	159 int i;
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	160
10191 ccfd3047da72 Work around the Solaris 10 ACE ACLs ABI change. Bruno Haible <bruno@clisp.org> parents: 10185 diff changeset	161 /* The flags in the ace_t structure changed in a binary incompatible way
ccfd3047da72 Work around the Solaris 10 ACE ACLs ABI change. Bruno Haible <bruno@clisp.org> parents: 10185 diff changeset	162 when ACL_NO_TRIVIAL etc. were introduced in <sys/acl.h> version 1.15.
ccfd3047da72 Work around the Solaris 10 ACE ACLs ABI change. Bruno Haible <bruno@clisp.org> parents: 10185 diff changeset	163 How to distinguish the two conventions at runtime?
ccfd3047da72 Work around the Solaris 10 ACE ACLs ABI change. Bruno Haible <bruno@clisp.org> parents: 10185 diff changeset	164 In the old convention, usually three ACEs have a_flags = ACE_OWNER /
ccfd3047da72 Work around the Solaris 10 ACE ACLs ABI change. Bruno Haible <bruno@clisp.org> parents: 10185 diff changeset	165 ACE_GROUP / ACE_OTHER, in the range 0x0100..0x0400. In the new
ccfd3047da72 Work around the Solaris 10 ACE ACLs ABI change. Bruno Haible <bruno@clisp.org> parents: 10185 diff changeset	166 convention, these values are not used. */
ccfd3047da72 Work around the Solaris 10 ACE ACLs ABI change. Bruno Haible <bruno@clisp.org> parents: 10185 diff changeset	167 int old_convention = 0;
ccfd3047da72 Work around the Solaris 10 ACE ACLs ABI change. Bruno Haible <bruno@clisp.org> parents: 10185 diff changeset	168
10179 90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	169 for (i = 0; i < count; i++)
10191 ccfd3047da72 Work around the Solaris 10 ACE ACLs ABI change. Bruno Haible <bruno@clisp.org> parents: 10185 diff changeset	170 if (entries[i].a_flags & (ACE_OWNER \| ACE_GROUP \| ACE_OTHER))
ccfd3047da72 Work around the Solaris 10 ACE ACLs ABI change. Bruno Haible <bruno@clisp.org> parents: 10185 diff changeset	171 {
ccfd3047da72 Work around the Solaris 10 ACE ACLs ABI change. Bruno Haible <bruno@clisp.org> parents: 10185 diff changeset	172 old_convention = 1;
ccfd3047da72 Work around the Solaris 10 ACE ACLs ABI change. Bruno Haible <bruno@clisp.org> parents: 10185 diff changeset	173 break;
ccfd3047da72 Work around the Solaris 10 ACE ACLs ABI change. Bruno Haible <bruno@clisp.org> parents: 10185 diff changeset	174 }
ccfd3047da72 Work around the Solaris 10 ACE ACLs ABI change. Bruno Haible <bruno@clisp.org> parents: 10185 diff changeset	175
ccfd3047da72 Work around the Solaris 10 ACE ACLs ABI change. Bruno Haible <bruno@clisp.org> parents: 10185 diff changeset	176 if (old_convention)
ccfd3047da72 Work around the Solaris 10 ACE ACLs ABI change. Bruno Haible <bruno@clisp.org> parents: 10185 diff changeset	177 /* Running on Solaris 10. */
ccfd3047da72 Work around the Solaris 10 ACE ACLs ABI change. Bruno Haible <bruno@clisp.org> parents: 10185 diff changeset	178 for (i = 0; i < count; i++)
ccfd3047da72 Work around the Solaris 10 ACE ACLs ABI change. Bruno Haible <bruno@clisp.org> parents: 10185 diff changeset	179 {
ccfd3047da72 Work around the Solaris 10 ACE ACLs ABI change. Bruno Haible <bruno@clisp.org> parents: 10185 diff changeset	180 ace_t *ace = &entries[i];
10179 90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	181
10191 ccfd3047da72 Work around the Solaris 10 ACE ACLs ABI change. Bruno Haible <bruno@clisp.org> parents: 10185 diff changeset	182 /* Note:
ccfd3047da72 Work around the Solaris 10 ACE ACLs ABI change. Bruno Haible <bruno@clisp.org> parents: 10185 diff changeset	183 If ace->a_flags = ACE_OWNER, ace->a_who is the st_uid from stat().
ccfd3047da72 Work around the Solaris 10 ACE ACLs ABI change. Bruno Haible <bruno@clisp.org> parents: 10185 diff changeset	184 If ace->a_flags = ACE_GROUP, ace->a_who is the st_gid from stat().
ccfd3047da72 Work around the Solaris 10 ACE ACLs ABI change. Bruno Haible <bruno@clisp.org> parents: 10185 diff changeset	185 We don't need to check ace->a_who in these cases. */
ccfd3047da72 Work around the Solaris 10 ACE ACLs ABI change. Bruno Haible <bruno@clisp.org> parents: 10185 diff changeset	186 if (!(ace->a_type == ALLOW
ccfd3047da72 Work around the Solaris 10 ACE ACLs ABI change. Bruno Haible <bruno@clisp.org> parents: 10185 diff changeset	187 && (ace->a_flags == ACE_OWNER
ccfd3047da72 Work around the Solaris 10 ACE ACLs ABI change. Bruno Haible <bruno@clisp.org> parents: 10185 diff changeset	188 \|\| ace->a_flags == ACE_GROUP
ccfd3047da72 Work around the Solaris 10 ACE ACLs ABI change. Bruno Haible <bruno@clisp.org> parents: 10185 diff changeset	189 \|\| ace->a_flags == ACE_OTHER)))
ccfd3047da72 Work around the Solaris 10 ACE ACLs ABI change. Bruno Haible <bruno@clisp.org> parents: 10185 diff changeset	190 return 1;
ccfd3047da72 Work around the Solaris 10 ACE ACLs ABI change. Bruno Haible <bruno@clisp.org> parents: 10185 diff changeset	191 }
ccfd3047da72 Work around the Solaris 10 ACE ACLs ABI change. Bruno Haible <bruno@clisp.org> parents: 10185 diff changeset	192 else
ccfd3047da72 Work around the Solaris 10 ACE ACLs ABI change. Bruno Haible <bruno@clisp.org> parents: 10185 diff changeset	193 /* Running on Solaris 10 (newer version) or Solaris 11. */
ccfd3047da72 Work around the Solaris 10 ACE ACLs ABI change. Bruno Haible <bruno@clisp.org> parents: 10185 diff changeset	194 for (i = 0; i < count; i++)
ccfd3047da72 Work around the Solaris 10 ACE ACLs ABI change. Bruno Haible <bruno@clisp.org> parents: 10185 diff changeset	195 {
ccfd3047da72 Work around the Solaris 10 ACE ACLs ABI change. Bruno Haible <bruno@clisp.org> parents: 10185 diff changeset	196 ace_t *ace = &entries[i];
ccfd3047da72 Work around the Solaris 10 ACE ACLs ABI change. Bruno Haible <bruno@clisp.org> parents: 10185 diff changeset	197
ccfd3047da72 Work around the Solaris 10 ACE ACLs ABI change. Bruno Haible <bruno@clisp.org> parents: 10185 diff changeset	198 if (!(ace->a_type == ACE_ACCESS_ALLOWED_ACE_TYPE
ccfd3047da72 Work around the Solaris 10 ACE ACLs ABI change. Bruno Haible <bruno@clisp.org> parents: 10185 diff changeset	199 && (ace->a_flags == NEW_ACE_OWNER
ccfd3047da72 Work around the Solaris 10 ACE ACLs ABI change. Bruno Haible <bruno@clisp.org> parents: 10185 diff changeset	200 \|\| ace->a_flags
ccfd3047da72 Work around the Solaris 10 ACE ACLs ABI change. Bruno Haible <bruno@clisp.org> parents: 10185 diff changeset	201 == (NEW_ACE_GROUP \| NEW_ACE_IDENTIFIER_GROUP)
ccfd3047da72 Work around the Solaris 10 ACE ACLs ABI change. Bruno Haible <bruno@clisp.org> parents: 10185 diff changeset	202 \|\| ace->a_flags == ACE_EVERYONE)
ccfd3047da72 Work around the Solaris 10 ACE ACLs ABI change. Bruno Haible <bruno@clisp.org> parents: 10185 diff changeset	203 && (ace->a_access_mask
ccfd3047da72 Work around the Solaris 10 ACE ACLs ABI change. Bruno Haible <bruno@clisp.org> parents: 10185 diff changeset	204 & ~(NEW_ACE_READ_DATA \| NEW_ACE_WRITE_DATA \| NEW_ACE_EXECUTE))
ccfd3047da72 Work around the Solaris 10 ACE ACLs ABI change. Bruno Haible <bruno@clisp.org> parents: 10185 diff changeset	205 == 0))
ccfd3047da72 Work around the Solaris 10 ACE ACLs ABI change. Bruno Haible <bruno@clisp.org> parents: 10185 diff changeset	206 return 1;
ccfd3047da72 Work around the Solaris 10 ACE ACLs ABI change. Bruno Haible <bruno@clisp.org> parents: 10185 diff changeset	207 }
ccfd3047da72 Work around the Solaris 10 ACE ACLs ABI change. Bruno Haible <bruno@clisp.org> parents: 10185 diff changeset	208
10179 90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	209 return 0;
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	210 }
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	211
10191 ccfd3047da72 Work around the Solaris 10 ACE ACLs ABI change. Bruno Haible <bruno@clisp.org> parents: 10185 diff changeset	212 # endif
ccfd3047da72 Work around the Solaris 10 ACE ACLs ABI change. Bruno Haible <bruno@clisp.org> parents: 10185 diff changeset	213
10179 90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	214 # endif
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	215
10182 4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	216 #elif USE_ACL && HAVE_GETACL /* HP-UX */
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	217
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	218 /* Return 1 if the given ACL is non-trivial.
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	219 Return 0 if it is trivial, i.e. equivalent to a simple stat() mode. */
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	220 int
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	221 acl_nontrivial (int count, struct acl_entry entries, struct stat sb)
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	222 {
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	223 int i;
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	224
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	225 for (i = 0; i < count; i++)
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	226 {
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	227 struct acl_entry *ace = &entries[i];
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	228
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	229 if (!((ace->uid == sb->st_uid && ace->gid == ACL_NSGROUP)
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	230 \|\| (ace->uid == ACL_NSUSER && ace->gid == sb->st_gid)
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	231 \|\| (ace->uid == ACL_NSUSER && ace->gid == ACL_NSGROUP)))
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	232 return 1;
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	233 }
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	234 return 0;
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	235 }
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	236
10183 e8efce9962b0 Add support for AIX ACLs. Bruno Haible <bruno@clisp.org> parents: 10182 diff changeset	237 #elif USE_ACL && HAVE_ACLX_GET && 0 /* AIX */
e8efce9962b0 Add support for AIX ACLs. Bruno Haible <bruno@clisp.org> parents: 10182 diff changeset	238
e8efce9962b0 Add support for AIX ACLs. Bruno Haible <bruno@clisp.org> parents: 10182 diff changeset	239 /* TODO */
e8efce9962b0 Add support for AIX ACLs. Bruno Haible <bruno@clisp.org> parents: 10182 diff changeset	240
e8efce9962b0 Add support for AIX ACLs. Bruno Haible <bruno@clisp.org> parents: 10182 diff changeset	241 #elif USE_ACL && HAVE_STATACL /* older AIX */
e8efce9962b0 Add support for AIX ACLs. Bruno Haible <bruno@clisp.org> parents: 10182 diff changeset	242
e8efce9962b0 Add support for AIX ACLs. Bruno Haible <bruno@clisp.org> parents: 10182 diff changeset	243 /* Return 1 if the given ACL is non-trivial.
e8efce9962b0 Add support for AIX ACLs. Bruno Haible <bruno@clisp.org> parents: 10182 diff changeset	244 Return 0 if it is trivial, i.e. equivalent to a simple stat() mode. */
e8efce9962b0 Add support for AIX ACLs. Bruno Haible <bruno@clisp.org> parents: 10182 diff changeset	245 int
e8efce9962b0 Add support for AIX ACLs. Bruno Haible <bruno@clisp.org> parents: 10182 diff changeset	246 acl_nontrivial (struct acl *a)
e8efce9962b0 Add support for AIX ACLs. Bruno Haible <bruno@clisp.org> parents: 10182 diff changeset	247 {
e8efce9962b0 Add support for AIX ACLs. Bruno Haible <bruno@clisp.org> parents: 10182 diff changeset	248 /* The normal way to iterate through an ACL is like this:
e8efce9962b0 Add support for AIX ACLs. Bruno Haible <bruno@clisp.org> parents: 10182 diff changeset	249 struct acl_entry *ace;
e8efce9962b0 Add support for AIX ACLs. Bruno Haible <bruno@clisp.org> parents: 10182 diff changeset	250 for (ace = a->acl_ext; ace != acl_last (a); ace = acl_nxt (ace))
e8efce9962b0 Add support for AIX ACLs. Bruno Haible <bruno@clisp.org> parents: 10182 diff changeset	251 {
e8efce9962b0 Add support for AIX ACLs. Bruno Haible <bruno@clisp.org> parents: 10182 diff changeset	252 struct ace_id *aei;
e8efce9962b0 Add support for AIX ACLs. Bruno Haible <bruno@clisp.org> parents: 10182 diff changeset	253 switch (ace->ace_type)
e8efce9962b0 Add support for AIX ACLs. Bruno Haible <bruno@clisp.org> parents: 10182 diff changeset	254 {
e8efce9962b0 Add support for AIX ACLs. Bruno Haible <bruno@clisp.org> parents: 10182 diff changeset	255 case ACC_PERMIT:
e8efce9962b0 Add support for AIX ACLs. Bruno Haible <bruno@clisp.org> parents: 10182 diff changeset	256 case ACC_DENY:
e8efce9962b0 Add support for AIX ACLs. Bruno Haible <bruno@clisp.org> parents: 10182 diff changeset	257 case ACC_SPECIFY:
e8efce9962b0 Add support for AIX ACLs. Bruno Haible <bruno@clisp.org> parents: 10182 diff changeset	258 ...;
e8efce9962b0 Add support for AIX ACLs. Bruno Haible <bruno@clisp.org> parents: 10182 diff changeset	259 }
e8efce9962b0 Add support for AIX ACLs. Bruno Haible <bruno@clisp.org> parents: 10182 diff changeset	260 for (aei = ace->ace_id; aei != id_last (ace); aei = id_nxt (aei))
e8efce9962b0 Add support for AIX ACLs. Bruno Haible <bruno@clisp.org> parents: 10182 diff changeset	261 ...
e8efce9962b0 Add support for AIX ACLs. Bruno Haible <bruno@clisp.org> parents: 10182 diff changeset	262 }
e8efce9962b0 Add support for AIX ACLs. Bruno Haible <bruno@clisp.org> parents: 10182 diff changeset	263 */
e8efce9962b0 Add support for AIX ACLs. Bruno Haible <bruno@clisp.org> parents: 10182 diff changeset	264 return (acl_last (a) != a->acl_ext ? 1 : 0);
e8efce9962b0 Add support for AIX ACLs. Bruno Haible <bruno@clisp.org> parents: 10182 diff changeset	265 }
e8efce9962b0 Add support for AIX ACLs. Bruno Haible <bruno@clisp.org> parents: 10182 diff changeset	266
10158 73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	267 #endif
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	268
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	269
8476 2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	270 /* Return 1 if NAME has a nontrivial access control list, 0 if NAME
2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	271 only has no or a base access control list, and -1 (setting errno)
2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	272 on error. SB must be set to the stat buffer of FILE. */
2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	273
2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	274 int
2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	275 file_has_acl (char const name, struct stat const sb)
2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	276 {
10155 3df501903792 Simplify #ifs. Put Solaris code after POSIX-like code. Bruno Haible <bruno@clisp.org> parents: 10114 diff changeset	277 #if USE_ACL
8476 2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	278 if (! S_ISLNK (sb->st_mode))
2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	279 {
10155 3df501903792 Simplify #ifs. Put Solaris code after POSIX-like code. Bruno Haible <bruno@clisp.org> parents: 10114 diff changeset	280 # if HAVE_ACL_GET_FILE
8476 2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	281
2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	282 /* POSIX 1003.1e (draft 17 -- abandoned) specific version. */
10114 51164d97e89b Make copy_acl work on MacOS X 10.5. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	283 /* Linux, FreeBSD, MacOS X, IRIX, Tru64 */
8476 2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	284 int ret;
2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	285
10175 ed86dd8c386e Comments. Bruno Haible <bruno@clisp.org> parents: 10173 diff changeset	286 if (HAVE_ACL_EXTENDED_FILE) /* Linux */
10172 50e666f281ef Add support for MacOS X ACLs. Bruno Haible <bruno@clisp.org> parents: 10158 diff changeset	287 {
50e666f281ef Add support for MacOS X ACLs. Bruno Haible <bruno@clisp.org> parents: 10158 diff changeset	288 /* On Linux, acl_extended_file is an optimized function: It only
50e666f281ef Add support for MacOS X ACLs. Bruno Haible <bruno@clisp.org> parents: 10158 diff changeset	289 makes two calls to getxattr(), one for ACL_TYPE_ACCESS, one for
50e666f281ef Add support for MacOS X ACLs. Bruno Haible <bruno@clisp.org> parents: 10158 diff changeset	290 ACL_TYPE_DEFAULT. */
50e666f281ef Add support for MacOS X ACLs. Bruno Haible <bruno@clisp.org> parents: 10158 diff changeset	291 ret = acl_extended_file (name);
50e666f281ef Add support for MacOS X ACLs. Bruno Haible <bruno@clisp.org> parents: 10158 diff changeset	292 }
10175 ed86dd8c386e Comments. Bruno Haible <bruno@clisp.org> parents: 10173 diff changeset	293 else /* FreeBSD, MacOS X, IRIX, Tru64 */
8476 2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	294 {
10172 50e666f281ef Add support for MacOS X ACLs. Bruno Haible <bruno@clisp.org> parents: 10158 diff changeset	295 # if HAVE_ACL_TYPE_EXTENDED /* MacOS X */
50e666f281ef Add support for MacOS X ACLs. Bruno Haible <bruno@clisp.org> parents: 10158 diff changeset	296 /* On MacOS X, acl_get_file (name, ACL_TYPE_ACCESS)
50e666f281ef Add support for MacOS X ACLs. Bruno Haible <bruno@clisp.org> parents: 10158 diff changeset	297 and acl_get_file (name, ACL_TYPE_DEFAULT)
50e666f281ef Add support for MacOS X ACLs. Bruno Haible <bruno@clisp.org> parents: 10158 diff changeset	298 always return NULL / EINVAL. There is no point in making
50e666f281ef Add support for MacOS X ACLs. Bruno Haible <bruno@clisp.org> parents: 10158 diff changeset	299 these two useless calls. The real ACL is retrieved through
50e666f281ef Add support for MacOS X ACLs. Bruno Haible <bruno@clisp.org> parents: 10158 diff changeset	300 acl_get_file (name, ACL_TYPE_EXTENDED). */
50e666f281ef Add support for MacOS X ACLs. Bruno Haible <bruno@clisp.org> parents: 10158 diff changeset	301 acl_t acl = acl_get_file (name, ACL_TYPE_EXTENDED);
50e666f281ef Add support for MacOS X ACLs. Bruno Haible <bruno@clisp.org> parents: 10158 diff changeset	302 if (acl)
50e666f281ef Add support for MacOS X ACLs. Bruno Haible <bruno@clisp.org> parents: 10158 diff changeset	303 {
10177 caed32fb1892 New function acl_extended_nontrivial (MacOS X only). Bruno Haible <bruno@clisp.org> parents: 10175 diff changeset	304 ret = acl_extended_nontrivial (acl);
10172 50e666f281ef Add support for MacOS X ACLs. Bruno Haible <bruno@clisp.org> parents: 10158 diff changeset	305 acl_free (acl);
50e666f281ef Add support for MacOS X ACLs. Bruno Haible <bruno@clisp.org> parents: 10158 diff changeset	306 }
50e666f281ef Add support for MacOS X ACLs. Bruno Haible <bruno@clisp.org> parents: 10158 diff changeset	307 else
50e666f281ef Add support for MacOS X ACLs. Bruno Haible <bruno@clisp.org> parents: 10158 diff changeset	308 ret = -1;
50e666f281ef Add support for MacOS X ACLs. Bruno Haible <bruno@clisp.org> parents: 10158 diff changeset	309 # else /* FreeBSD, IRIX, Tru64 */
8476 2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	310 acl_t acl = acl_get_file (name, ACL_TYPE_ACCESS);
2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	311 if (acl)
2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	312 {
10158 73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	313 int saved_errno;
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	314
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	315 ret = acl_access_nontrivial (acl);
73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	316 saved_errno = errno;
8476 2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	317 acl_free (acl);
10158 73042342e7f6 New function for testing triviality of ACL with POSIX-draft like API. Bruno Haible <bruno@clisp.org> parents: 10155 diff changeset	318 errno = saved_errno;
10173 33543159ba5b Don't test the ACL_TYPE_DEFAULT ACL on OSF/1. Bruno Haible <bruno@clisp.org> parents: 10172 diff changeset	319 # if HAVE_ACL_FREE_TEXT /* Tru64 */
33543159ba5b Don't test the ACL_TYPE_DEFAULT ACL on OSF/1. Bruno Haible <bruno@clisp.org> parents: 10172 diff changeset	320 /* On OSF/1, acl_get_file (name, ACL_TYPE_DEFAULT) always
33543159ba5b Don't test the ACL_TYPE_DEFAULT ACL on OSF/1. Bruno Haible <bruno@clisp.org> parents: 10172 diff changeset	321 returns NULL with errno not set. There is no point in
33543159ba5b Don't test the ACL_TYPE_DEFAULT ACL on OSF/1. Bruno Haible <bruno@clisp.org> parents: 10172 diff changeset	322 making this call. */
33543159ba5b Don't test the ACL_TYPE_DEFAULT ACL on OSF/1. Bruno Haible <bruno@clisp.org> parents: 10172 diff changeset	323 # else /* FreeBSD, IRIX */
33543159ba5b Don't test the ACL_TYPE_DEFAULT ACL on OSF/1. Bruno Haible <bruno@clisp.org> parents: 10172 diff changeset	324 /* On Linux, FreeBSD, IRIX, acl_get_file (name, ACL_TYPE_ACCESS)
33543159ba5b Don't test the ACL_TYPE_DEFAULT ACL on OSF/1. Bruno Haible <bruno@clisp.org> parents: 10172 diff changeset	325 and acl_get_file (name, ACL_TYPE_DEFAULT) on a directory
33543159ba5b Don't test the ACL_TYPE_DEFAULT ACL on OSF/1. Bruno Haible <bruno@clisp.org> parents: 10172 diff changeset	326 either both succeed or both fail; it depends on the
33543159ba5b Don't test the ACL_TYPE_DEFAULT ACL on OSF/1. Bruno Haible <bruno@clisp.org> parents: 10172 diff changeset	327 filesystem. Therefore there is no point in making the second
33543159ba5b Don't test the ACL_TYPE_DEFAULT ACL on OSF/1. Bruno Haible <bruno@clisp.org> parents: 10172 diff changeset	328 call if the first one already failed. */
8476 2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	329 if (ret == 0 && S_ISDIR (sb->st_mode))
2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	330 {
2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	331 acl = acl_get_file (name, ACL_TYPE_DEFAULT);
2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	332 if (acl)
2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	333 {
2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	334 ret = (0 < acl_entries (acl));
2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	335 acl_free (acl);
2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	336 }
2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	337 else
2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	338 ret = -1;
2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	339 }
10173 33543159ba5b Don't test the ACL_TYPE_DEFAULT ACL on OSF/1. Bruno Haible <bruno@clisp.org> parents: 10172 diff changeset	340 # endif
8476 2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	341 }
2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	342 else
2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	343 ret = -1;
10172 50e666f281ef Add support for MacOS X ACLs. Bruno Haible <bruno@clisp.org> parents: 10158 diff changeset	344 # endif
8476 2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	345 }
2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	346 if (ret < 0)
2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	347 return ACL_NOT_WELL_SUPPORTED (errno) ? 0 : -1;
2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	348 return ret;
10155 3df501903792 Simplify #ifs. Put Solaris code after POSIX-like code. Bruno Haible <bruno@clisp.org> parents: 10114 diff changeset	349
3df501903792 Simplify #ifs. Put Solaris code after POSIX-like code. Bruno Haible <bruno@clisp.org> parents: 10114 diff changeset	350 # elif HAVE_ACL && defined GETACLCNT /* Solaris, Cygwin, not HP-UX */
3df501903792 Simplify #ifs. Put Solaris code after POSIX-like code. Bruno Haible <bruno@clisp.org> parents: 10114 diff changeset	351
10191 ccfd3047da72 Work around the Solaris 10 ACE ACLs ABI change. Bruno Haible <bruno@clisp.org> parents: 10185 diff changeset	352 # if defined ACL_NO_TRIVIAL
10155 3df501903792 Simplify #ifs. Put Solaris code after POSIX-like code. Bruno Haible <bruno@clisp.org> parents: 10114 diff changeset	353
10179 90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	354 /* Solaris 10 (newer version), which has additional API declared in
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	355 <sys/acl.h> (acl_t) and implemented in libsec (acl_set, acl_trivial,
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	356 acl_fromtext, ...). */
10155 3df501903792 Simplify #ifs. Put Solaris code after POSIX-like code. Bruno Haible <bruno@clisp.org> parents: 10114 diff changeset	357 return acl_trivial (name);
3df501903792 Simplify #ifs. Put Solaris code after POSIX-like code. Bruno Haible <bruno@clisp.org> parents: 10114 diff changeset	358
3df501903792 Simplify #ifs. Put Solaris code after POSIX-like code. Bruno Haible <bruno@clisp.org> parents: 10114 diff changeset	359 # else /* Solaris, Cygwin, general case */
3df501903792 Simplify #ifs. Put Solaris code after POSIX-like code. Bruno Haible <bruno@clisp.org> parents: 10114 diff changeset	360
3df501903792 Simplify #ifs. Put Solaris code after POSIX-like code. Bruno Haible <bruno@clisp.org> parents: 10114 diff changeset	361 /* Solaris 2.5 through Solaris 10, Cygwin, and contemporaneous versions
3df501903792 Simplify #ifs. Put Solaris code after POSIX-like code. Bruno Haible <bruno@clisp.org> parents: 10114 diff changeset	362 of Unixware. The acl() call returns the access and default ACL both
3df501903792 Simplify #ifs. Put Solaris code after POSIX-like code. Bruno Haible <bruno@clisp.org> parents: 10114 diff changeset	363 at once. */
10179 90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	364 int count;
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	365 {
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	366 aclent_t *entries;
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	367
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	368 for (;;)
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	369 {
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	370 count = acl (name, GETACLCNT, 0, NULL);
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	371
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	372 if (count < 0)
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	373 {
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	374 if (errno == ENOSYS \|\| errno == ENOTSUP)
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	375 break;
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	376 else
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	377 return -1;
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	378 }
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	379
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	380 if (count == 0)
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	381 break;
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	382
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	383 /* Don't use MIN_ACL_ENTRIES: It's set to 4 on Cygwin, but Cygwin
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	384 returns only 3 entries for files with no ACL. But this is safe:
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	385 If there are more than 4 entries, there cannot be only the
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	386 "user::", "group::", "other:", and "mask:" entries. */
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	387 if (count > 4)
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	388 return 1;
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	389
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	390 entries = (aclent_t ) malloc (count sizeof (aclent_t));
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	391 if (entries == NULL)
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	392 {
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	393 errno = ENOMEM;
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	394 return -1;
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	395 }
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	396 if (acl (name, GETACL, count, entries) == count)
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	397 {
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	398 if (acl_nontrivial (count, entries))
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	399 {
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	400 free (entries);
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	401 return 1;
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	402 }
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	403 free (entries);
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	404 break;
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	405 }
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	406 /* Huh? The number of ACL entries changed since the last call.
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	407 Repeat. */
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	408 free (entries);
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	409 }
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	410 }
10155 3df501903792 Simplify #ifs. Put Solaris code after POSIX-like code. Bruno Haible <bruno@clisp.org> parents: 10114 diff changeset	411
10179 90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	412 # ifdef ACE_GETACL
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	413 /* Solaris also has a different variant of ACLs, used in ZFS and NFSv4
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	414 file systems (whereas the other ones are used in UFS file systems). */
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	415 {
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	416 ace_t *entries;
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	417
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	418 for (;;)
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	419 {
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	420 count = acl (name, ACE_GETACLCNT, 0, NULL);
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	421
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	422 if (count < 0)
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	423 {
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	424 if (errno == ENOSYS \|\| errno == EINVAL)
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	425 break;
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	426 else
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	427 return -1;
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	428 }
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	429
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	430 if (count == 0)
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	431 break;
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	432
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	433 /* If there are more than 3 entries, there cannot be only the
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	434 ACE_OWNER, ACE_GROUP, ACE_OTHER entries. */
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	435 if (count > 3)
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	436 return 1;
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	437
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	438 entries = (ace_t ) malloc (count sizeof (ace_t));
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	439 if (entries == NULL)
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	440 {
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	441 errno = ENOMEM;
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	442 return -1;
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	443 }
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	444 if (acl (name, ACE_GETACL, count, entries) == count)
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	445 {
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	446 if (acl_ace_nontrivial (count, entries))
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	447 {
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	448 free (entries);
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	449 return 1;
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	450 }
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	451 free (entries);
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	452 break;
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	453 }
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	454 /* Huh? The number of ACL entries changed since the last call.
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	455 Repeat. */
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	456 free (entries);
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	457 }
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	458 }
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	459 # endif
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	460
90f51b86b088 Add support for Solaris 7..10 ACLs. Bruno Haible <bruno@clisp.org> parents: 10177 diff changeset	461 return 0;
10155 3df501903792 Simplify #ifs. Put Solaris code after POSIX-like code. Bruno Haible <bruno@clisp.org> parents: 10114 diff changeset	462 # endif
3df501903792 Simplify #ifs. Put Solaris code after POSIX-like code. Bruno Haible <bruno@clisp.org> parents: 10114 diff changeset	463
10182 4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	464 # elif HAVE_GETACL /* HP-UX */
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	465
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	466 int count;
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	467 struct acl_entry entries[NACLENTRIES];
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	468
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	469 for (;;)
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	470 {
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	471 count = getacl (name, 0, NULL);
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	472
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	473 if (count < 0)
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	474 return (errno == ENOSYS \|\| errno == EOPNOTSUPP ? 0 : -1);
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	475
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	476 if (count == 0)
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	477 return 0;
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	478
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	479 if (count > NACLENTRIES)
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	480 /* If NACLENTRIES cannot be trusted, use dynamic memory
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	481 allocation. */
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	482 abort ();
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	483
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	484 /* If there are more than 3 entries, there cannot be only the
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	485 (uid,%), (%,gid), (%,%) entries. */
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	486 if (count > 3)
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	487 return 1;
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	488
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	489 if (getacl (name, count, entries) == count)
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	490 {
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	491 struct stat statbuf;
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	492
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	493 if (stat (name, &statbuf) < 0)
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	494 return -1;
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	495
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	496 return acl_nontrivial (count, entries, &statbuf);
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	497 }
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	498 /* Huh? The number of ACL entries changed since the last call.
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	499 Repeat. */
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	500 }
4a177f4b083f Add support for HP-UX ACLs. Bruno Haible <bruno@clisp.org> parents: 10179 diff changeset	501
10183 e8efce9962b0 Add support for AIX ACLs. Bruno Haible <bruno@clisp.org> parents: 10182 diff changeset	502 # elif HAVE_ACLX_GET && 0 /* AIX */
e8efce9962b0 Add support for AIX ACLs. Bruno Haible <bruno@clisp.org> parents: 10182 diff changeset	503
e8efce9962b0 Add support for AIX ACLs. Bruno Haible <bruno@clisp.org> parents: 10182 diff changeset	504 /* TODO: use aclx_get(), and then? */
e8efce9962b0 Add support for AIX ACLs. Bruno Haible <bruno@clisp.org> parents: 10182 diff changeset	505
e8efce9962b0 Add support for AIX ACLs. Bruno Haible <bruno@clisp.org> parents: 10182 diff changeset	506 # elif HAVE_STATACL /* older AIX */
e8efce9962b0 Add support for AIX ACLs. Bruno Haible <bruno@clisp.org> parents: 10182 diff changeset	507
e8efce9962b0 Add support for AIX ACLs. Bruno Haible <bruno@clisp.org> parents: 10182 diff changeset	508 union { struct acl a; char room[4096]; } u;
e8efce9962b0 Add support for AIX ACLs. Bruno Haible <bruno@clisp.org> parents: 10182 diff changeset	509
e8efce9962b0 Add support for AIX ACLs. Bruno Haible <bruno@clisp.org> parents: 10182 diff changeset	510 if (statacl (name, STX_NORMAL, &u.a, sizeof (u)) < 0)
e8efce9962b0 Add support for AIX ACLs. Bruno Haible <bruno@clisp.org> parents: 10182 diff changeset	511 return -1;
e8efce9962b0 Add support for AIX ACLs. Bruno Haible <bruno@clisp.org> parents: 10182 diff changeset	512
e8efce9962b0 Add support for AIX ACLs. Bruno Haible <bruno@clisp.org> parents: 10182 diff changeset	513 return acl_nontrivial (&u.a);
e8efce9962b0 Add support for AIX ACLs. Bruno Haible <bruno@clisp.org> parents: 10182 diff changeset	514
10155 3df501903792 Simplify #ifs. Put Solaris code after POSIX-like code. Bruno Haible <bruno@clisp.org> parents: 10114 diff changeset	515 # endif
3df501903792 Simplify #ifs. Put Solaris code after POSIX-like code. Bruno Haible <bruno@clisp.org> parents: 10114 diff changeset	516 }
8476 2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	517 #endif
2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	518
2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	519 return 0;
2798cb65bd90 Add limited support for Solaris 10 ZFS-style ACLs: just enough to Paul Eggert <eggert@cs.ucla.edu> parents: diff changeset	520 }

Mercurial > hg > octave-kai > gnulib-hg

annotate lib/file-has-acl.c @ 10780:5c7a68d31801