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s4-dsdb: added samdb_find_site_for_computer() and samdb_find_ntdsguid_for_computer()

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these will be used by the new RODC dns update code

Pair-Programmed-With: Andrew Bartlett <abartlet@samba.org>
This commit is contained in:
Andrew Tridgell 2010-09-27 19:46:37 -07:00
parent c972790249
commit e313667983
1 changed files with 57 additions and 0 deletions
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57
source4/dsdb/common/util.c
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@ -1619,6 +1619,63 @@ struct ldb_dn *samdb_server_site_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx
return server_site_dn; return server_site_dn;
} }
/*
find the site name from a computers DN record
*/
int samdb_find_site_for_computer(struct ldb_context *ldb,
TALLOC_CTX *mem_ctx, struct ldb_dn *computer_dn,
const char **site_name)
{
int ret;
struct ldb_dn *dn;
const struct ldb_val *rdn_val;
*site_name = NULL;
ret = samdb_reference_dn(ldb, mem_ctx, computer_dn, "serverReferenceBL", &dn);
if (ret != LDB_SUCCESS) {
return ret;
}
if (!ldb_dn_remove_child_components(dn, 2)) {
talloc_free(dn);
return LDB_ERR_INVALID_DN_SYNTAX;
}
rdn_val = ldb_dn_get_rdn_val(dn);
(*site_name) = talloc_strndup(mem_ctx, (const char *)rdn_val->data, rdn_val->length);
talloc_free(dn);
if (!*site_name) {
return LDB_ERR_OPERATIONS_ERROR;
}
return LDB_SUCCESS;
}
/*
find the NTDS GUID from a computers DN record
*/
int samdb_find_ntdsguid_for_computer(struct ldb_context *ldb, struct ldb_dn *computer_dn,
struct GUID *ntds_guid)
{
int ret;
struct ldb_dn *dn;
*ntds_guid = GUID_zero();
ret = samdb_reference_dn(ldb, ldb, computer_dn, "serverReferenceBL", &dn);
if (ret != LDB_SUCCESS) {
return ret;
}
if (!ldb_dn_add_child_fmt(dn, "CN=NTDS Settings")) {
talloc_free(dn);
return LDB_ERR_OPERATIONS_ERROR;
}
ret = dsdb_find_guid_by_dn(ldb, dn, ntds_guid);
talloc_free(dn);
return ret;
}
/* /*
find a 'reference' DN that points at another object find a 'reference' DN that points at another object
(eg. serverReference, rIDManagerReference etc) (eg. serverReference, rIDManagerReference etc)