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/*
File: __acl_to_xattr.c
Copyright (C) 1999, 2000
Andreas Gruenbacher, <andreas.gruenbacher@gmail.com>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, see <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <errno.h>
#include "libacl.h"
#include "byteorder.h"
#include "acl_ea.h"
char *
__acl_to_xattr(const acl_obj *acl_obj_p, size_t *size)
{
const acl_entry_obj *entry_obj_p;
acl_ea_header *ext_header_p;
acl_ea_entry *ext_ent_p;
*size = sizeof(acl_ea_header) + acl_obj_p->aused * sizeof(acl_ea_entry);
ext_header_p = (acl_ea_header *)malloc(*size);
if (!ext_header_p)
return NULL;
ext_header_p->a_version = cpu_to_le32(ACL_EA_VERSION);
ext_ent_p = (acl_ea_entry *)(ext_header_p+1);
FOREACH_ACL_ENTRY(entry_obj_p, acl_obj_p) {
ext_ent_p->e_tag = cpu_to_le16(entry_obj_p->etag);
ext_ent_p->e_perm = cpu_to_le16(entry_obj_p->eperm.sperm);
switch(entry_obj_p->etag) {
case ACL_USER:
case ACL_GROUP:
ext_ent_p->e_id =
cpu_to_le32(entry_obj_p->eid.qid);
break;
default:
ext_ent_p->e_id = ACL_UNDEFINED_ID;
break;
}
ext_ent_p++;
}
return (char *)ext_header_p;
}
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