/* Test whether a file has a nontrivial access control list.
- Copyright (C) 2002-2003, 2005-2012 Free Software Foundation, Inc.
+ Copyright (C) 2002-2003, 2005-2013 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#if USE_ACL && HAVE_ACL_GET_FILE
-# if HAVE_ACL_TYPE_EXTENDED /* MacOS X */
+# if HAVE_ACL_TYPE_EXTENDED /* Mac OS X */
/* ACL is an ACL, from a file, stored as type ACL_TYPE_EXTENDED.
Return 1 if the given ACL is non-trivial.
# if HAVE_ACL_GET_FILE
/* POSIX 1003.1e (draft 17 -- abandoned) specific version. */
- /* Linux, FreeBSD, MacOS X, IRIX, Tru64 */
+ /* Linux, FreeBSD, Mac OS X, IRIX, Tru64 */
int ret;
if (HAVE_ACL_EXTENDED_FILE) /* Linux */
ACL_TYPE_DEFAULT. */
ret = acl_extended_file (name);
}
- else /* FreeBSD, MacOS X, IRIX, Tru64 */
+ else /* FreeBSD, Mac OS X, IRIX, Tru64 */
{
-# if HAVE_ACL_TYPE_EXTENDED /* MacOS X */
- /* On MacOS X, acl_get_file (name, ACL_TYPE_ACCESS)
+# if HAVE_ACL_TYPE_EXTENDED /* Mac OS X */
+ /* On Mac OS X, acl_get_file (name, ACL_TYPE_ACCESS)
and acl_get_file (name, ACL_TYPE_DEFAULT)
always return NULL / EINVAL. There is no point in making
these two useless calls. The real ACL is retrieved through
# endif
}
if (ret < 0)
- return ACL_NOT_WELL_SUPPORTED (errno) ? 0 : -1;
+ return - acl_errno_valid (errno);
return ret;
# elif HAVE_FACL && defined GETACL /* Solaris, Cygwin, not HP-UX */
# elif HAVE_GETACL /* HP-UX */
- for (;;)
- {
- int count;
- struct acl_entry entries[NACLENTRIES];
+ {
+ struct acl_entry entries[NACLENTRIES];
+ int count;
- count = getacl (name, 0, NULL);
+ count = getacl (name, NACLENTRIES, entries);
- if (count < 0)
- {
- /* ENOSYS is seen on newer HP-UX versions.
- EOPNOTSUPP is typically seen on NFS mounts.
- ENOTSUP was seen on Quantum StorNext file systems (cvfs). */
- if (errno == ENOSYS || errno == EOPNOTSUPP || errno == ENOTSUP)
- break;
- else
- return -1;
- }
-
- if (count == 0)
- return 0;
+ if (count < 0)
+ {
+ /* ENOSYS is seen on newer HP-UX versions.
+ EOPNOTSUPP is typically seen on NFS mounts.
+ ENOTSUP was seen on Quantum StorNext file systems (cvfs). */
+ if (errno == ENOSYS || errno == EOPNOTSUPP || errno == ENOTSUP)
+ ;
+ else
+ return -1;
+ }
+ else if (count == 0)
+ return 0;
+ else /* count > 0 */
+ {
+ if (count > NACLENTRIES)
+ /* If NACLENTRIES cannot be trusted, use dynamic memory
+ allocation. */
+ abort ();
- if (count > NACLENTRIES)
- /* If NACLENTRIES cannot be trusted, use dynamic memory
- allocation. */
- abort ();
+ /* If there are more than 3 entries, there cannot be only the
+ (uid,%), (%,gid), (%,%) entries. */
+ if (count > 3)
+ return 1;
- /* If there are more than 3 entries, there cannot be only the
- (uid,%), (%,gid), (%,%) entries. */
- if (count > 3)
- return 1;
-
- if (getacl (name, count, entries) == count)
{
struct stat statbuf;
return acl_nontrivial (count, entries, &statbuf);
}
- /* Huh? The number of ACL entries changed since the last call.
- Repeat. */
- }
+ }
+ }
# if HAVE_ACLV_H /* HP-UX >= 11.11 */
- for (;;)
- {
- int count;
- struct acl entries[NACLVENTRIES];
-
- count = acl ((char *) name, ACL_CNT, NACLVENTRIES, entries);
-
- if (count < 0)
- {
- /* EOPNOTSUPP is seen on NFS in HP-UX 11.11, 11.23.
- EINVAL is seen on NFS in HP-UX 11.31. */
- if (errno == ENOSYS || errno == EOPNOTSUPP || errno == EINVAL)
- break;
- else
- return -1;
- }
+ {
+ struct acl entries[NACLVENTRIES];
+ int count;
- if (count == 0)
- return 0;
+ count = acl ((char *) name, ACL_GET, NACLVENTRIES, entries);
- if (count > NACLVENTRIES)
- /* If NACLVENTRIES cannot be trusted, use dynamic memory
- allocation. */
- abort ();
+ if (count < 0)
+ {
+ /* EOPNOTSUPP is seen on NFS in HP-UX 11.11, 11.23.
+ EINVAL is seen on NFS in HP-UX 11.31. */
+ if (errno == ENOSYS || errno == EOPNOTSUPP || errno == EINVAL)
+ ;
+ else
+ return -1;
+ }
+ else if (count == 0)
+ return 0;
+ else /* count > 0 */
+ {
+ if (count > NACLVENTRIES)
+ /* If NACLVENTRIES cannot be trusted, use dynamic memory
+ allocation. */
+ abort ();
- /* If there are more than 4 entries, there cannot be only the
- four base ACL entries. */
- if (count > 4)
- return 1;
+ /* If there are more than 4 entries, there cannot be only the
+ four base ACL entries. */
+ if (count > 4)
+ return 1;
- if (acl ((char *) name, ACL_GET, count, entries) == count)
return aclv_nontrivial (count, entries);
- /* Huh? The number of ACL entries changed since the last call.
- Repeat. */
- }
+ }
+ }
# endif
# elif HAVE_ACLSORT /* NonStop Kernel */
- int count;
- struct acl entries[NACLENTRIES];
-
- for (;;)
- {
- count = acl ((char *) name, ACL_CNT, NACLENTRIES, NULL);
-
- if (count < 0)
- {
- if (errno == ENOSYS || errno == ENOTSUP)
- break;
- else
- return -1;
- }
+ {
+ struct acl entries[NACLENTRIES];
+ int count;
- if (count == 0)
- return 0;
+ count = acl ((char *) name, ACL_GET, NACLENTRIES, entries);
- if (count > NACLENTRIES)
- /* If NACLENTRIES cannot be trusted, use dynamic memory
- allocation. */
- abort ();
+ if (count < 0)
+ {
+ if (errno == ENOSYS || errno == ENOTSUP)
+ ;
+ else
+ return -1;
+ }
+ else if (count == 0)
+ return 0;
+ else /* count > 0 */
+ {
+ if (count > NACLENTRIES)
+ /* If NACLENTRIES cannot be trusted, use dynamic memory
+ allocation. */
+ abort ();
- /* If there are more than 4 entries, there cannot be only the
- four base ACL entries. */
- if (count > 4)
- return 1;
+ /* If there are more than 4 entries, there cannot be only the
+ four base ACL entries. */
+ if (count > 4)
+ return 1;
- if (acl ((char *) name, ACL_GET, count, entries) == count)
return acl_nontrivial (count, entries);
- /* Huh? The number of ACL entries changed since the last call.
- Repeat. */
- }
+ }
+ }
# endif
}