You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
- Written by Paul Eggert and Andreas Gruenbacher. */
+ Written by Paul Eggert, Andreas Grünbacher, and Bruno Haible. */
#include <config.h>
#include "acl-internal.h"
+#include "gettext.h"
+#define _(msgid) gettext (msgid)
+
/* Copy access control lists from one file to another. If SOURCE_DESC is
a valid file descriptor, use file descriptor operations, else use
if (ACL_NOT_WELL_SUPPORTED (errno))
return qset_acl (dst_name, dest_desc, mode);
else
- return -2;
+ return -2;
}
if (HAVE_ACL_SET_FD && dest_desc != -1)
int saved_errno = errno;
if (ACL_NOT_WELL_SUPPORTED (errno) && !acl_access_nontrivial (acl))
- {
+ {
acl_free (acl);
return chmod_or_fchmod (dst_name, dest_desc, mode);
}
return -1;
}
else
- acl_free (acl);
+ acl_free (acl);
}
return 0;
if (ACL_NOT_WELL_SUPPORTED (errno))
return qset_acl (dst_name, dest_desc, mode);
else
- return -2;
+ return -2;
}
if (HAVE_ACL_SET_FD && dest_desc != -1)
int saved_errno = errno;
if (ACL_NOT_WELL_SUPPORTED (errno) && !acl_extended_nontrivial (acl))
- {
+ {
acl_free (acl);
return chmod_or_fchmod (dst_name, dest_desc, mode);
}
if (count == 0)
return qset_acl (dst_name, dest_desc, mode);
- did_chmod = 0; /* set to 1 once the mode bits in 0777 have been set,
- set to 2 once the mode bits other than 0777 have been set */
+ did_chmod = 0; /* set to 1 once the mode bits in 0777 have been set */
saved_errno = 0; /* the first non-ignorable error code */
+ if (!MODE_INSIDE_ACL)
+ {
+ /* On Cygwin, it is necessary to call chmod before acl, because
+ chmod can change the contents of the ACL (in ways that don't
+ change the allowed accesses, but still visible). */
+ if (chmod_or_fchmod (dst_name, dest_desc, mode) != 0)
+ saved_errno = errno;
+ did_chmod = 1;
+ }
+
/* If both ace_entries and entries are available, try SETACL before
ACE_SETACL, because SETACL cannot fail with ENOTSUP whereas ACE_SETACL
can. */
ret = (dest_desc != -1
? facl (dest_desc, SETACL, count, entries)
: acl (dst_name, SETACL, count, entries));
- if (ret < 0)
+ if (ret < 0 && saved_errno == 0)
{
saved_errno = errno;
if (errno == ENOSYS && !acl_nontrivial (count, entries))
free (ace_entries);
# endif
- if (did_chmod <= ((mode & (S_ISUID | S_ISGID | S_ISVTX)) ? 1 : 0))
+ if (MODE_INSIDE_ACL
+ && did_chmod <= ((mode & (S_ISUID | S_ISGID | S_ISVTX)) ? 1 : 0))
{
/* We did not call chmod so far, and either the mode and the ACL are
separate or special bits are to be set which don't fit into ACLs. */
# endif
+#elif USE_ACL && HAVE_GETACL /* HP-UX */
+
+ int count;
+ struct acl_entry entries[NACLENTRIES];
+ int ret;
+
+ for (;;)
+ {
+ count = (source_desc != -1
+ ? fgetacl (source_desc, 0, NULL)
+ : getacl (src_name, 0, NULL));
+
+ if (count < 0)
+ {
+ if (errno == ENOSYS || errno == EOPNOTSUPP)
+ {
+ count = 0;
+ break;
+ }
+ else
+ return -2;
+ }
+
+ if (count == 0)
+ break;
+
+ if (count > NACLENTRIES)
+ /* If NACLENTRIES cannot be trusted, use dynamic memory allocation. */
+ abort ();
+
+ if ((source_desc != -1
+ ? fgetacl (source_desc, count, entries)
+ : getacl (src_name, count, entries))
+ == count)
+ break;
+ /* Huh? The number of ACL entries changed since the last call.
+ Repeat. */
+ }
+
+ if (count == 0)
+ return qset_acl (dst_name, dest_desc, mode);
+
+ ret = (dest_desc != -1
+ ? fsetacl (dest_desc, count, entries)
+ : setacl (dst_name, count, entries));
+ if (ret < 0)
+ {
+ int saved_errno = errno;
+
+ if (errno == ENOSYS || errno == EOPNOTSUPP)
+ {
+ struct stat source_statbuf;
+
+ if ((source_desc != -1
+ ? fstat (source_desc, &source_statbuf)
+ : stat (src_name, &source_statbuf)) == 0)
+ {
+ if (!acl_nontrivial (count, entries, &source_statbuf))
+ return chmod_or_fchmod (dst_name, dest_desc, mode);
+ }
+ else
+ saved_errno = errno;
+ }
+
+ chmod_or_fchmod (dst_name, dest_desc, mode);
+ errno = saved_errno;
+ return -1;
+ }
+
+ if (mode & (S_ISUID | S_ISGID | S_ISVTX))
+ {
+ /* We did not call chmod so far, and either the mode and the ACL are
+ separate or special bits are to be set which don't fit into ACLs. */
+
+ return chmod_or_fchmod (dst_name, dest_desc, mode);
+ }
+ return 0;
+
+#elif USE_ACL && HAVE_ACLX_GET && 0 /* AIX */
+
+ /* TODO */
+
+#elif USE_ACL && HAVE_STATACL /* older AIX */
+
+ union { struct acl a; char room[4096]; } u;
+ int ret;
+
+ if ((source_desc != -1
+ ? fstatacl (source_desc, STX_NORMAL, &u.a, sizeof (u))
+ : statacl (src_name, STX_NORMAL, &u.a, sizeof (u)))
+ < 0)
+ return -2;
+
+ ret = (dest_desc != -1
+ ? fchacl (dest_desc, &u.a, u.a.acl_len)
+ : chacl (dst_name, &u.a, u.a.acl_len));
+ if (ret < 0)
+ {
+ int saved_errno = errno;
+
+ chmod_or_fchmod (dst_name, dest_desc, mode);
+ errno = saved_errno;
+ return -1;
+ }
+
+ /* No need to call chmod_or_fchmod at this point, since the mode bits
+ S_ISUID, S_ISGID, S_ISVTX are also stored in the ACL. */
+
+ return 0;
+
#else
return qset_acl (dst_name, dest_desc, mode);
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