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/*
Unix SMB/CIFS implementation.
endpoint server for the lsarpc pipe
Copyright (C) Andrew Tridgell 2004
Copyright (C) Andrew Bartlett <abartlet@samba.org> 2004-2007
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 "rpc_server/lsa/lsa.h"
NTSTATUS dcesrv_lsa_get_policy_state(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
struct lsa_policy_state **_state)
{
struct lsa_policy_state *state;
struct ldb_dn *partitions_basedn;
struct ldb_result *dom_res;
const char *dom_attrs[] = {
"objectSid",
"objectGUID",
"nTMixedDomain",
"fSMORoleOwner",
NULL
};
struct ldb_result *ref_res;
struct ldb_result *forest_ref_res;
const char *ref_attrs[] = {
"nETBIOSName",
"dnsRoot",
NULL
};
int ret;
state = talloc(mem_ctx, struct lsa_policy_state);
if (!state) {
return NT_STATUS_NO_MEMORY;
}
/* make sure the sam database is accessible */
state->sam_ldb = samdb_connect(state, dce_call->conn->dce_ctx->lp_ctx, dce_call->conn->auth_state.session_info);
if (state->sam_ldb == NULL) {
return NT_STATUS_INVALID_SYSTEM_SERVICE;
}
partitions_basedn = samdb_partitions_dn(state->sam_ldb, mem_ctx);
/* work out the domain_dn - useful for so many calls its worth
fetching here */
state->domain_dn = samdb_base_dn(state->sam_ldb);
if (!state->domain_dn) {
return NT_STATUS_NO_MEMORY;
}
/* work out the forest root_dn - useful for so many calls its worth
fetching here */
state->forest_dn = samdb_root_dn(state->sam_ldb);
if (!state->forest_dn) {
return NT_STATUS_NO_MEMORY;
}
ret = ldb_search(state->sam_ldb, state->domain_dn, LDB_SCOPE_BASE, NULL, dom_attrs, &dom_res);
if (ret != LDB_SUCCESS) {
return NT_STATUS_INVALID_SYSTEM_SERVICE;
}
talloc_steal(mem_ctx, dom_res);
if (dom_res->count != 1) {
return NT_STATUS_NO_SUCH_DOMAIN;
}
state->domain_sid = samdb_result_dom_sid(state, dom_res->msgs[0], "objectSid");
if (!state->domain_sid) {
return NT_STATUS_NO_SUCH_DOMAIN;
}
state->domain_guid = samdb_result_guid(dom_res->msgs[0], "objectGUID");
if (!state->domain_sid) {
return NT_STATUS_NO_SUCH_DOMAIN;
}
state->mixed_domain = ldb_msg_find_attr_as_uint(dom_res->msgs[0], "nTMixedDomain", 0);
talloc_free(dom_res);
ret = ldb_search_exp_fmt(state->sam_ldb, state, &ref_res,
partitions_basedn, LDB_SCOPE_SUBTREE, ref_attrs,
"(&(objectclass=crossRef)(ncName=%s))",
ldb_dn_get_linearized(state->domain_dn));
if (ret != LDB_SUCCESS) {
talloc_free(ref_res);
return NT_STATUS_INVALID_SYSTEM_SERVICE;
}
if (ref_res->count != 1) {
talloc_free(ref_res);
return NT_STATUS_NO_SUCH_DOMAIN;
}
state->domain_name = ldb_msg_find_attr_as_string(ref_res->msgs[0], "nETBIOSName", NULL);
if (!state->domain_name) {
talloc_free(ref_res);
return NT_STATUS_NO_SUCH_DOMAIN;
}
talloc_steal(state, state->domain_name);
state->domain_dns = ldb_msg_find_attr_as_string(ref_res->msgs[0], "dnsRoot", NULL);
if (!state->domain_dns) {
talloc_free(ref_res);
return NT_STATUS_NO_SUCH_DOMAIN;
}
talloc_steal(state, state->domain_dns);
talloc_free(ref_res);
ret = ldb_search_exp_fmt(state->sam_ldb, state, &forest_ref_res,
partitions_basedn, LDB_SCOPE_SUBTREE, ref_attrs,
"(&(objectclass=crossRef)(ncName=%s))",
ldb_dn_get_linearized(state->forest_dn));
if (ret != LDB_SUCCESS) {
talloc_free(forest_ref_res);
return NT_STATUS_INVALID_SYSTEM_SERVICE;
}
if (forest_ref_res->count != 1) {
talloc_free(forest_ref_res);
return NT_STATUS_NO_SUCH_DOMAIN;
}
state->forest_dns = ldb_msg_find_attr_as_string(forest_ref_res->msgs[0], "dnsRoot", NULL);
if (!state->forest_dns) {
talloc_free(forest_ref_res);
return NT_STATUS_NO_SUCH_DOMAIN;
}
talloc_steal(state, state->forest_dns);
talloc_free(forest_ref_res);
/* work out the builtin_dn - useful for so many calls its worth
fetching here */
state->builtin_dn = samdb_search_dn(state->sam_ldb, state, state->domain_dn, "(objectClass=builtinDomain)");
if (!state->builtin_dn) {
return NT_STATUS_NO_SUCH_DOMAIN;
}
/* work out the system_dn - useful for so many calls its worth
fetching here */
state->system_dn = samdb_search_dn(state->sam_ldb, state,
state->domain_dn, "(&(objectClass=container)(cn=System))");
if (!state->system_dn) {
return NT_STATUS_NO_SUCH_DOMAIN;
}
state->builtin_sid = dom_sid_parse_talloc(state, SID_BUILTIN);
if (!state->builtin_sid) {
return NT_STATUS_NO_SUCH_DOMAIN;
}
state->nt_authority_sid = dom_sid_parse_talloc(state, SID_NT_AUTHORITY);
if (!state->nt_authority_sid) {
return NT_STATUS_NO_SUCH_DOMAIN;
}
state->creator_owner_domain_sid = dom_sid_parse_talloc(state, SID_CREATOR_OWNER_DOMAIN);
if (!state->creator_owner_domain_sid) {
return NT_STATUS_NO_SUCH_DOMAIN;
}
state->world_domain_sid = dom_sid_parse_talloc(state, SID_WORLD_DOMAIN);
if (!state->world_domain_sid) {
return NT_STATUS_NO_SUCH_DOMAIN;
}
*_state = state;
return NT_STATUS_OK;
}
/*
lsa_OpenPolicy2
*/
NTSTATUS dcesrv_lsa_OpenPolicy2(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
struct lsa_OpenPolicy2 *r)
{
NTSTATUS status;
struct lsa_policy_state *state;
struct dcesrv_handle *handle;
ZERO_STRUCTP(r->out.handle);
status = dcesrv_lsa_get_policy_state(dce_call, mem_ctx, &state);
if (!NT_STATUS_IS_OK(status)) {
return status;
}
handle = dcesrv_handle_new(dce_call->context, LSA_HANDLE_POLICY);
if (!handle) {
return NT_STATUS_NO_MEMORY;
}
handle->data = talloc_steal(handle, state);
state->access_mask = r->in.access_mask;
state->handle = handle;
*r->out.handle = handle->wire_handle;
/* note that we have completely ignored the attr element of
the OpenPolicy. As far as I can tell, this is what w2k3
does */
return NT_STATUS_OK;
}
/*
lsa_OpenPolicy
a wrapper around lsa_OpenPolicy2
*/
NTSTATUS dcesrv_lsa_OpenPolicy(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
struct lsa_OpenPolicy *r)
{
struct lsa_OpenPolicy2 r2;
r2.in.system_name = NULL;
r2.in.attr = r->in.attr;
r2.in.access_mask = r->in.access_mask;
r2.out.handle = r->out.handle;
return dcesrv_lsa_OpenPolicy2(dce_call, mem_ctx, &r2);
}
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