int
acl_cmp(acl_t acl1, acl_t acl2)
{
acl_obj *acl1_obj_p = ext2int(acl, acl1),
*acl2_obj_p = ext2int(acl, acl2);
acl_entry_obj *p1_obj_p, *p2_obj_p;
if (!acl1_obj_p || !acl2_obj_p)
return -1;
if (acl1_obj_p->aused != acl2_obj_p->aused)
return 1;
p2_obj_p = acl2_obj_p->anext;
FOREACH_ACL_ENTRY(p1_obj_p, acl1_obj_p) {
if (p1_obj_p->etag != p2_obj_p->etag)
return 1;
if (!permset_obj_equal(p1_obj_p->eperm,p2_obj_p->eperm))
return 1;
switch(p1_obj_p->etag) {
case ACL_USER:
case ACL_GROUP:
if (qualifier_obj_id(p1_obj_p->eid) !=
qualifier_obj_id(p2_obj_p->eid))
return 1;
}
p2_obj_p = p2_obj_p->enext;
}
return 0;
}
/*
Take an ACL entry form its current place in the entry ring,
and insert it at its proper place. Entries that are not valid
(yet) are not reordered.
*/
int
__acl_reorder_entry_obj_p(acl_entry_obj *entry_obj_p)
{
acl_obj *acl_obj_p = entry_obj_p->econtainer;
acl_entry_obj *here_obj_p;
if (acl_obj_p->aused <= 1)
return 0;
switch(entry_obj_p->etag) {
case ACL_UNDEFINED_TAG:
return 1;
case ACL_USER:
case ACL_GROUP:
if (qualifier_obj_id(entry_obj_p->eid) ==
ACL_UNDEFINED_ID)
return 1;
}
/* Remove entry from ring */
entry_obj_p->eprev->enext = entry_obj_p->enext;
entry_obj_p->enext->eprev = entry_obj_p->eprev;
/* Search for next greater entry */
FOREACH_ACL_ENTRY(here_obj_p, acl_obj_p) {
if (__acl_entry_p_compare(here_obj_p, entry_obj_p) > 0)
break;
}
/* Re-insert entry into ring */
entry_obj_p->eprev = here_obj_p->eprev;
entry_obj_p->enext = here_obj_p;
entry_obj_p->eprev->enext = entry_obj_p;
entry_obj_p->enext->eprev = entry_obj_p;
return 0;
}
