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/*
SSSD
IPA Subdomains Module - utilities
Authors:
Sumit Bose <sbose@redhat.com>
Copyright (C) 2015 Red Hat
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
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "providers/ipa/ipa_subdomains.h"
#include "providers/ipa/ipa_common.h"
#include "providers/ipa/ipa_id.h"
struct ldb_dn *ipa_subdom_ldb_dn(TALLOC_CTX *mem_ctx,
struct ldb_context *ldb_ctx,
struct sysdb_attrs *attrs)
{
int ret;
const char *orig_dn;
struct ldb_dn *dn = NULL;
if (attrs == NULL || ldb_ctx == NULL) {
return NULL;
}
ret = sysdb_attrs_get_string(attrs, SYSDB_ORIG_DN, &orig_dn);
if (ret) {
DEBUG(SSSDBG_OP_FAILURE, "sysdb_attrs_get_string failed: %d\n", ret);
return NULL;
}
dn = ldb_dn_new(mem_ctx, ldb_ctx, orig_dn);
if (dn == NULL) {
DEBUG(SSSDBG_OP_FAILURE, "ldb_dn_new failed.\n");
return NULL;
}
if (!ldb_dn_validate(dn)) {
DEBUG(SSSDBG_OP_FAILURE, "Original DN [%s] is not a valid DN.\n",
orig_dn);
talloc_free(dn);
return NULL;
}
return dn;
}
bool ipa_subdom_is_member_dom(struct ldb_dn *dn)
{
const struct ldb_val *val;
if (dn == NULL) {
DEBUG(SSSDBG_CRIT_FAILURE, "Wrong input!\n");
return false;
}
if (ldb_dn_get_comp_num(dn) < 5) {
/* We are only interested in the member domain objects. In IPA the
* forest root object is stored as e.g.
* cn=AD.DOM,cn=ad,cn=trusts,dc=example,dc=com. Member domains in the
* forest are children of the forest root object e.g.
* cn=SUB.AD.DOM,cn=AD.DOM,cn=ad,cn=trusts,dc=example,dc=com. Since
* the forest name is not stored in the member objects we derive it
* from the RDN of the forest root object. */
DEBUG(SSSDBG_TRACE_FUNC,
"DN too short, not a member domain\n");
return false;
}
val = ldb_dn_get_component_val(dn, 3);
if (strncasecmp("trusts", (const char *) val->data, val->length) != 0) {
DEBUG(SSSDBG_TRACE_FUNC,
"4th component is not 'trust', not a member domain\n");
return false;
}
val = ldb_dn_get_component_val(dn, 2);
if (strncasecmp("ad", (const char *) val->data, val->length) != 0) {
DEBUG(SSSDBG_TRACE_FUNC,
"3rd component is not 'ad', not a member domain\n");
return false;
}
return true;
}
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