/* set-mode-acl.c - set access control list equivalent to a mode
- Copyright (C) 2002-2003, 2005-2008 Free Software Foundation, Inc.
+ Copyright (C) 2002-2003, 2005-2011 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
{
acl = acl_from_mode (mode);
if (!acl)
- return -1;
+ return -1;
}
else /* FreeBSD, IRIX, Tru64 */
{
/* If we were to create the ACL using the functions acl_init(),
- acl_create_entry(), acl_set_tag_type(), acl_set_qualifier(),
- acl_get_permset(), acl_clear_perm[s](), acl_add_perm(), we
- would need to create a qualifier. I don't know how to do this.
- So create it using acl_from_text(). */
+ acl_create_entry(), acl_set_tag_type(), acl_set_qualifier(),
+ acl_get_permset(), acl_clear_perm[s](), acl_add_perm(), we
+ would need to create a qualifier. I don't know how to do this.
+ So create it using acl_from_text(). */
# if HAVE_ACL_FREE_TEXT /* Tru64 */
char acl_text[] = "u::---,g::---,o::---,";
acl = acl_from_text (acl_text);
if (!acl)
- return -1;
+ return -1;
}
if (HAVE_ACL_SET_FD && desc != -1)
ret = acl_set_fd (desc, acl);
acl_free (acl);
if (ACL_NOT_WELL_SUPPORTED (errno))
- return chmod_or_fchmod (name, desc, mode);
+ return chmod_or_fchmod (name, desc, mode);
else
- {
- errno = saved_errno;
- return -1;
- }
+ {
+ errno = saved_errno;
+ return -1;
+ }
}
else
acl_free (acl);
if (mode & (S_ISUID | S_ISGID | S_ISVTX))
{
/* We did not call chmod so far, so the special bits have not yet
- been set. */
+ been set. */
return chmod_or_fchmod (name, desc, mode);
}
return 0;
/* On MacOS X, acl_get_file (name, ACL_TYPE_ACCESS)
and acl_get_file (name, ACL_TYPE_DEFAULT)
always return NULL / EINVAL. You have to use
- acl_get_file (name, ACL_TYPE_EXTENDED)
+ acl_get_file (name, ACL_TYPE_EXTENDED)
or acl_get_fd (open (name, ...))
to retrieve an ACL.
On the other hand,
- acl_set_file (name, ACL_TYPE_ACCESS, acl)
+ acl_set_file (name, ACL_TYPE_ACCESS, acl)
and acl_set_file (name, ACL_TYPE_DEFAULT, acl)
have the same effect as
- acl_set_file (name, ACL_TYPE_EXTENDED, acl):
+ acl_set_file (name, ACL_TYPE_EXTENDED, acl):
Each of these calls sets the file's ACL. */
acl_t acl;
acl = acl_init (0);
if (acl)
- {
- if (HAVE_ACL_SET_FD && desc != -1)
- ret = acl_set_fd (desc, acl);
- else
- ret = acl_set_file (name, ACL_TYPE_EXTENDED, acl);
- if (ret != 0)
- {
- int saved_errno = errno;
-
- acl_free (acl);
-
- if (ACL_NOT_WELL_SUPPORTED (saved_errno))
- return chmod_or_fchmod (name, desc, mode);
- else
- {
- errno = saved_errno;
- return -1;
- }
- }
- acl_free (acl);
- }
+ {
+ if (HAVE_ACL_SET_FD && desc != -1)
+ ret = acl_set_fd (desc, acl);
+ else
+ ret = acl_set_file (name, ACL_TYPE_EXTENDED, acl);
+ if (ret != 0)
+ {
+ int saved_errno = errno;
+
+ acl_free (acl);
+
+ if (ACL_NOT_WELL_SUPPORTED (saved_errno))
+ return chmod_or_fchmod (name, desc, mode);
+ else
+ {
+ errno = saved_errno;
+ return -1;
+ }
+ }
+ acl_free (acl);
+ }
}
/* Since !MODE_INSIDE_ACL, we have to call chmod explicitly. */
return chmod_or_fchmod (name, desc, mode);
# endif
-# elif HAVE_ACL && defined GETACLCNT /* Solaris, Cygwin, not HP-UX */
+# elif HAVE_FACL && defined GETACLCNT /* Solaris, Cygwin, not HP-UX */
# if defined ACL_NO_TRIVIAL
/* Solaris 10 (newer version), which has additional API declared in
acl_free (aclp);
if (ret < 0)
{
- if (saved_errno == ENOSYS)
- return chmod_or_fchmod (name, desc, mode);
+ if (saved_errno == ENOSYS || saved_errno == EOPNOTSUPP)
+ return chmod_or_fchmod (name, desc, mode);
errno = saved_errno;
return -1;
}
if (mode & (S_ISUID | S_ISGID | S_ISVTX))
{
/* We did not call chmod so far, so the special bits have not yet
- been set. */
+ been set. */
return chmod_or_fchmod (name, desc, mode);
}
return 0;
for (;;)
{
- if (desc != -1)
- count = facl (desc, ACE_GETACLCNT, 0, NULL);
- else
- count = acl (name, ACE_GETACLCNT, 0, NULL);
- if (count <= 0)
- {
- convention = -1;
- break;
- }
- entries = (ace_t *) malloc (count * sizeof (ace_t));
- if (entries == NULL)
- {
- errno = ENOMEM;
- return -1;
- }
- if ((desc != -1
- ? facl (desc, ACE_GETACL, count, entries)
- : acl (name, ACE_GETACL, count, entries))
- == count)
- {
- int i;
-
- convention = 0;
- for (i = 0; i < count; i++)
- if (entries[i].a_flags & (ACE_OWNER | ACE_GROUP | ACE_OTHER))
- {
- convention = 1;
- break;
- }
- free (entries);
- break;
- }
- /* Huh? The number of ACL entries changed since the last call.
- Repeat. */
- free (entries);
+ if (desc != -1)
+ count = facl (desc, ACE_GETACLCNT, 0, NULL);
+ else
+ count = acl (name, ACE_GETACLCNT, 0, NULL);
+ if (count <= 0)
+ {
+ convention = -1;
+ break;
+ }
+ entries = (ace_t *) malloc (count * sizeof (ace_t));
+ if (entries == NULL)
+ {
+ errno = ENOMEM;
+ return -1;
+ }
+ if ((desc != -1
+ ? facl (desc, ACE_GETACL, count, entries)
+ : acl (name, ACE_GETACL, count, entries))
+ == count)
+ {
+ int i;
+
+ convention = 0;
+ for (i = 0; i < count; i++)
+ if (entries[i].a_flags & (ACE_OWNER | ACE_GROUP | ACE_OTHER))
+ {
+ convention = 1;
+ break;
+ }
+ free (entries);
+ break;
+ }
+ /* Huh? The number of ACL entries changed since the last call.
+ Repeat. */
+ free (entries);
}
}
int ret;
if (convention)
- {
- /* Running on Solaris 10. */
- entries[0].a_type = ALLOW;
- entries[0].a_flags = ACE_OWNER;
- entries[0].a_who = 0; /* irrelevant */
- entries[0].a_access_mask = (mode >> 6) & 7;
- entries[1].a_type = ALLOW;
- entries[1].a_flags = ACE_GROUP;
- entries[1].a_who = 0; /* irrelevant */
- entries[1].a_access_mask = (mode >> 3) & 7;
- entries[2].a_type = ALLOW;
- entries[2].a_flags = ACE_OTHER;
- entries[2].a_who = 0;
- entries[2].a_access_mask = mode & 7;
- }
+ {
+ /* Running on Solaris 10. */
+ entries[0].a_type = ALLOW;
+ entries[0].a_flags = ACE_OWNER;
+ entries[0].a_who = 0; /* irrelevant */
+ entries[0].a_access_mask = (mode >> 6) & 7;
+ entries[1].a_type = ALLOW;
+ entries[1].a_flags = ACE_GROUP;
+ entries[1].a_who = 0; /* irrelevant */
+ entries[1].a_access_mask = (mode >> 3) & 7;
+ entries[2].a_type = ALLOW;
+ entries[2].a_flags = ACE_OTHER;
+ entries[2].a_who = 0;
+ entries[2].a_access_mask = mode & 7;
+ }
else
- {
- /* Running on Solaris 10 (newer version) or Solaris 11. */
- entries[0].a_type = ACE_ACCESS_ALLOWED_ACE_TYPE;
- entries[0].a_flags = NEW_ACE_OWNER;
- entries[0].a_who = 0; /* irrelevant */
- entries[0].a_access_mask =
- (mode & 0400 ? NEW_ACE_READ_DATA : 0)
- | (mode & 0200 ? NEW_ACE_WRITE_DATA : 0)
- | (mode & 0100 ? NEW_ACE_EXECUTE : 0);
- entries[1].a_type = ACE_ACCESS_ALLOWED_ACE_TYPE;
- entries[1].a_flags = NEW_ACE_GROUP | NEW_ACE_IDENTIFIER_GROUP;
- entries[1].a_who = 0; /* irrelevant */
- entries[1].a_access_mask =
- (mode & 0040 ? NEW_ACE_READ_DATA : 0)
- | (mode & 0020 ? NEW_ACE_WRITE_DATA : 0)
- | (mode & 0010 ? NEW_ACE_EXECUTE : 0);
- entries[2].a_type = ACE_ACCESS_ALLOWED_ACE_TYPE;
- entries[2].a_flags = ACE_EVERYONE;
- entries[2].a_who = 0;
- entries[2].a_access_mask =
- (mode & 0004 ? NEW_ACE_READ_DATA : 0)
- | (mode & 0002 ? NEW_ACE_WRITE_DATA : 0)
- | (mode & 0001 ? NEW_ACE_EXECUTE : 0);
- }
+ {
+ /* Running on Solaris 10 (newer version) or Solaris 11. */
+ entries[0].a_type = ACE_ACCESS_ALLOWED_ACE_TYPE;
+ entries[0].a_flags = NEW_ACE_OWNER;
+ entries[0].a_who = 0; /* irrelevant */
+ entries[0].a_access_mask =
+ (mode & 0400 ? NEW_ACE_READ_DATA : 0)
+ | (mode & 0200 ? NEW_ACE_WRITE_DATA : 0)
+ | (mode & 0100 ? NEW_ACE_EXECUTE : 0);
+ entries[1].a_type = ACE_ACCESS_ALLOWED_ACE_TYPE;
+ entries[1].a_flags = NEW_ACE_GROUP | NEW_ACE_IDENTIFIER_GROUP;
+ entries[1].a_who = 0; /* irrelevant */
+ entries[1].a_access_mask =
+ (mode & 0040 ? NEW_ACE_READ_DATA : 0)
+ | (mode & 0020 ? NEW_ACE_WRITE_DATA : 0)
+ | (mode & 0010 ? NEW_ACE_EXECUTE : 0);
+ entries[2].a_type = ACE_ACCESS_ALLOWED_ACE_TYPE;
+ entries[2].a_flags = ACE_EVERYONE;
+ entries[2].a_who = 0;
+ entries[2].a_access_mask =
+ (mode & 0004 ? NEW_ACE_READ_DATA : 0)
+ | (mode & 0002 ? NEW_ACE_WRITE_DATA : 0)
+ | (mode & 0001 ? NEW_ACE_EXECUTE : 0);
+ }
if (desc != -1)
- ret = facl (desc, ACE_SETACL,
- sizeof (entries) / sizeof (aclent_t), entries);
+ ret = facl (desc, ACE_SETACL,
+ sizeof (entries) / sizeof (ace_t), entries);
else
- ret = acl (name, ACE_SETACL,
- sizeof (entries) / sizeof (aclent_t), entries);
+ ret = acl (name, ACE_SETACL,
+ sizeof (entries) / sizeof (ace_t), entries);
if (ret < 0 && errno != EINVAL && errno != ENOTSUP)
- {
- if (errno == ENOSYS)
- return chmod_or_fchmod (name, desc, mode);
- return -1;
- }
+ {
+ if (errno == ENOSYS)
+ return chmod_or_fchmod (name, desc, mode);
+ return -1;
+ }
}
# endif
ret = acl (name, SETACL, sizeof (entries) / sizeof (aclent_t), entries);
if (ret < 0)
{
- if (errno == ENOSYS)
- return chmod_or_fchmod (name, desc, mode);
- return -1;
+ if (errno == ENOSYS || errno == EOPNOTSUPP)
+ return chmod_or_fchmod (name, desc, mode);
+ return -1;
}
}
if (!MODE_INSIDE_ACL || (mode & (S_ISUID | S_ISGID | S_ISVTX)))
{
/* We did not call chmod so far, so the special bits have not yet
- been set. */
+ been set. */
return chmod_or_fchmod (name, desc, mode);
}
return 0;
# elif HAVE_GETACL /* HP-UX */
struct stat statbuf;
- struct acl_entry entries[3];
int ret;
if (desc != -1)
if (ret < 0)
return -1;
- entries[0].uid = statbuf.st_uid;
- entries[0].gid = ACL_NSGROUP;
- entries[0].mode = (mode >> 6) & 7;
- entries[1].uid = ACL_NSUSER;
- entries[1].gid = statbuf.st_gid;
- entries[1].mode = (mode >> 3) & 7;
- entries[2].uid = ACL_NSUSER;
- entries[2].gid = ACL_NSGROUP;
- entries[2].mode = mode & 7;
+ {
+ struct acl_entry entries[3];
+
+ entries[0].uid = statbuf.st_uid;
+ entries[0].gid = ACL_NSGROUP;
+ entries[0].mode = (mode >> 6) & 7;
+ entries[1].uid = ACL_NSUSER;
+ entries[1].gid = statbuf.st_gid;
+ entries[1].mode = (mode >> 3) & 7;
+ entries[2].uid = ACL_NSUSER;
+ entries[2].gid = ACL_NSGROUP;
+ entries[2].mode = mode & 7;
- if (desc != -1)
- ret = fsetacl (desc, sizeof (entries) / sizeof (struct acl_entry), entries);
- else
- ret = setacl (name, sizeof (entries) / sizeof (struct acl_entry), entries);
+ if (desc != -1)
+ ret = fsetacl (desc, sizeof (entries) / sizeof (struct acl_entry), entries);
+ else
+ ret = setacl (name, sizeof (entries) / sizeof (struct acl_entry), entries);
+ }
if (ret < 0)
{
- if (errno == ENOSYS || errno == EOPNOTSUPP)
- return chmod_or_fchmod (name, desc, mode);
- return -1;
+ if (!(errno == ENOSYS || errno == EOPNOTSUPP || errno == ENOTSUP))
+ return -1;
+
+# if HAVE_ACLV_H /* HP-UX >= 11.11 */
+ {
+ struct acl entries[4];
+
+ entries[0].a_type = USER_OBJ;
+ entries[0].a_id = 0; /* irrelevant */
+ entries[0].a_perm = (mode >> 6) & 7;
+ entries[1].a_type = GROUP_OBJ;
+ entries[1].a_id = 0; /* irrelevant */
+ entries[1].a_perm = (mode >> 3) & 7;
+ entries[2].a_type = CLASS_OBJ;
+ entries[2].a_id = 0;
+ entries[2].a_perm = (mode >> 3) & 7;
+ entries[3].a_type = OTHER_OBJ;
+ entries[3].a_id = 0;
+ entries[3].a_perm = mode & 7;
+
+ ret = aclsort (sizeof (entries) / sizeof (struct acl), 1, entries);
+ if (ret > 0)
+ abort ();
+ if (ret < 0)
+ {
+ if (0)
+ return chmod_or_fchmod (name, desc, mode);
+ return -1;
+ }
+
+ ret = acl ((char *) name, ACL_SET,
+ sizeof (entries) / sizeof (struct acl), entries);
+ if (ret < 0)
+ {
+ if (errno == ENOSYS || errno == EOPNOTSUPP || errno == EINVAL)
+ return chmod_or_fchmod (name, desc, mode);
+ return -1;
+ }
+ }
+# else
+ return chmod_or_fchmod (name, desc, mode);
+# endif
}
if (mode & (S_ISUID | S_ISGID | S_ISVTX))
{
/* We did not call chmod so far, so the special bits have not yet
- been set. */
+ been set. */
return chmod_or_fchmod (name, desc, mode);
}
return 0;
-# elif HAVE_ACLX_GET && 0 /* AIX */
+# elif HAVE_ACLX_GET && defined ACL_AIX_WIP /* AIX */
- /* TODO: use aclx_fput or aclx_put, respectively */
+ acl_type_list_t types;
+ size_t types_size = sizeof (types);
+ acl_type_t type;
+
+ if (aclx_gettypes (name, &types, &types_size) < 0
+ || types.num_entries == 0)
+ return chmod_or_fchmod (name, desc, mode);
+
+ /* XXX Do we need to clear all types of ACLs for the given file, or is it
+ sufficient to clear the first one? */
+ type = types.entries[0];
+ if (type.u64 == ACL_AIXC)
+ {
+ union { struct acl a; char room[128]; } u;
+ int ret;
+
+ u.a.acl_len = (char *) &u.a.acl_ext[0] - (char *) &u.a; /* no entries */
+ u.a.acl_mode = mode & ~(S_IXACL | 0777);
+ u.a.u_access = (mode >> 6) & 7;
+ u.a.g_access = (mode >> 3) & 7;
+ u.a.o_access = mode & 7;
+
+ if (desc != -1)
+ ret = aclx_fput (desc, SET_ACL | SET_MODE_S_BITS,
+ type, &u.a, u.a.acl_len, mode);
+ else
+ ret = aclx_put (name, SET_ACL | SET_MODE_S_BITS,
+ type, &u.a, u.a.acl_len, mode);
+ if (!(ret < 0 && errno == ENOSYS))
+ return ret;
+ }
+ else if (type.u64 == ACL_NFS4)
+ {
+ union { nfs4_acl_int_t a; char room[128]; } u;
+ nfs4_ace_int_t *ace;
+ int ret;
+
+ u.a.aclVersion = NFS4_ACL_INT_STRUCT_VERSION;
+ u.a.aclEntryN = 0;
+ ace = &u.a.aclEntry[0];
+ {
+ ace->flags = ACE4_ID_SPECIAL;
+ ace->aceWho.special_whoid = ACE4_WHO_OWNER;
+ ace->aceType = ACE4_ACCESS_ALLOWED_ACE_TYPE;
+ ace->aceFlags = 0;
+ ace->aceMask =
+ (mode & 0400 ? ACE4_READ_DATA | ACE4_LIST_DIRECTORY : 0)
+ | (mode & 0200
+ ? ACE4_WRITE_DATA | ACE4_ADD_FILE | ACE4_APPEND_DATA
+ | ACE4_ADD_SUBDIRECTORY
+ : 0)
+ | (mode & 0100 ? ACE4_EXECUTE : 0);
+ ace->aceWhoString[0] = '\0';
+ ace->entryLen = (char *) &ace->aceWhoString[4] - (char *) ace;
+ ace = (nfs4_ace_int_t *) (char *) &ace->aceWhoString[4];
+ u.a.aclEntryN++;
+ }
+ {
+ ace->flags = ACE4_ID_SPECIAL;
+ ace->aceWho.special_whoid = ACE4_WHO_GROUP;
+ ace->aceType = ACE4_ACCESS_ALLOWED_ACE_TYPE;
+ ace->aceFlags = 0;
+ ace->aceMask =
+ (mode & 0040 ? ACE4_READ_DATA | ACE4_LIST_DIRECTORY : 0)
+ | (mode & 0020
+ ? ACE4_WRITE_DATA | ACE4_ADD_FILE | ACE4_APPEND_DATA
+ | ACE4_ADD_SUBDIRECTORY
+ : 0)
+ | (mode & 0010 ? ACE4_EXECUTE : 0);
+ ace->aceWhoString[0] = '\0';
+ ace->entryLen = (char *) &ace->aceWhoString[4] - (char *) ace;
+ ace = (nfs4_ace_int_t *) (char *) &ace->aceWhoString[4];
+ u.a.aclEntryN++;
+ }
+ {
+ ace->flags = ACE4_ID_SPECIAL;
+ ace->aceWho.special_whoid = ACE4_WHO_EVERYONE;
+ ace->aceType = ACE4_ACCESS_ALLOWED_ACE_TYPE;
+ ace->aceFlags = 0;
+ ace->aceMask =
+ (mode & 0004 ? ACE4_READ_DATA | ACE4_LIST_DIRECTORY : 0)
+ | (mode & 0002
+ ? ACE4_WRITE_DATA | ACE4_ADD_FILE | ACE4_APPEND_DATA
+ | ACE4_ADD_SUBDIRECTORY
+ : 0)
+ | (mode & 0001 ? ACE4_EXECUTE : 0);
+ ace->aceWhoString[0] = '\0';
+ ace->entryLen = (char *) &ace->aceWhoString[4] - (char *) ace;
+ ace = (nfs4_ace_int_t *) (char *) &ace->aceWhoString[4];
+ u.a.aclEntryN++;
+ }
+ u.a.aclLength = (char *) ace - (char *) &u.a;
+
+ if (desc != -1)
+ ret = aclx_fput (desc, SET_ACL | SET_MODE_S_BITS,
+ type, &u.a, u.a.aclLength, mode);
+ else
+ ret = aclx_put (name, SET_ACL | SET_MODE_S_BITS,
+ type, &u.a, u.a.aclLength, mode);
+ if (!(ret < 0 && errno == ENOSYS))
+ return ret;
+ }
+
+ return chmod_or_fchmod (name, desc, mode);
# elif HAVE_STATACL /* older AIX */
return ret;
+# elif HAVE_ACLSORT /* NonStop Kernel */
+
+ struct acl entries[4];
+ int ret;
+
+ entries[0].a_type = USER_OBJ;
+ entries[0].a_id = 0; /* irrelevant */
+ entries[0].a_perm = (mode >> 6) & 7;
+ entries[1].a_type = GROUP_OBJ;
+ entries[1].a_id = 0; /* irrelevant */
+ entries[1].a_perm = (mode >> 3) & 7;
+ entries[2].a_type = CLASS_OBJ;
+ entries[2].a_id = 0;
+ entries[2].a_perm = (mode >> 3) & 7;
+ entries[3].a_type = OTHER_OBJ;
+ entries[3].a_id = 0;
+ entries[3].a_perm = mode & 7;
+
+ ret = aclsort (sizeof (entries) / sizeof (struct acl), 1, entries);
+ if (ret > 0)
+ abort ();
+ if (ret < 0)
+ {
+ if (0)
+ return chmod_or_fchmod (name, desc, mode);
+ return -1;
+ }
+
+ ret = acl ((char *) name, ACL_SET,
+ sizeof (entries) / sizeof (struct acl), entries);
+ if (ret < 0)
+ {
+ if (0)
+ return chmod_or_fchmod (name, desc, mode);
+ return -1;
+ }
+
+ if (mode & (S_ISUID | S_ISGID | S_ISVTX))
+ {
+ /* We did not call chmod so far, so the special bits have not yet
+ been set. */
+ return chmod_or_fchmod (name, desc, mode);
+ }
+ return 0;
+
# else /* Unknown flavor of ACLs */
return chmod_or_fchmod (name, desc, mode);
# endif