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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_result *dom_res;
const char *dom_attrs[] = {
"objectSid",
"objectGUID",
"nTMixedDomain",
"fSMORoleOwner",
NULL
};
char *p;
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->event_ctx, dce_call->conn->dce_ctx->lp_ctx, dce_call->conn->auth_state.session_info, 0);
if (state->sam_ldb == NULL) {
return NT_STATUS_INVALID_SYSTEM_SERVICE;
}
/* and the privilege database */
state->pdb = privilege_connect(state, dce_call->conn->dce_ctx->lp_ctx);
if (state->pdb == NULL) {
return NT_STATUS_INVALID_SYSTEM_SERVICE;
}
/* work out the domain_dn - useful for so many calls its worth
fetching here */
state->domain_dn = ldb_get_default_basedn(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 = ldb_get_root_basedn(state->sam_ldb);
if (!state->forest_dn) {
return NT_STATUS_NO_MEMORY;
}
ret = ldb_search(state->sam_ldb, mem_ctx, &dom_res,
state->domain_dn, LDB_SCOPE_BASE, dom_attrs, NULL);
if (ret != LDB_SUCCESS) {
return NT_STATUS_INVALID_SYSTEM_SERVICE;
}
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");
state->mixed_domain = ldb_msg_find_attr_as_uint(dom_res->msgs[0], "nTMixedDomain", 0);
talloc_free(dom_res);
state->domain_name = lpcfg_sam_name(dce_call->conn->dce_ctx->lp_ctx);
state->domain_dns = ldb_dn_canonical_string(state, state->domain_dn);
if (!state->domain_dns) {
return NT_STATUS_NO_SUCH_DOMAIN;
}
p = strchr(state->domain_dns, '/');
if (p) {
*p = '\0';
}
state->forest_dns = ldb_dn_canonical_string(state, state->forest_dn);
if (!state->forest_dns) {
return NT_STATUS_NO_SUCH_DOMAIN;
}
p = strchr(state->forest_dns, '/');
if (p) {
*p = '\0';
}
/* 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)
{
enum dcerpc_transport_t transport = dce_call->conn->endpoint->ep_description->transport;
NTSTATUS status;
struct lsa_policy_state *state;
struct dcesrv_handle *handle;
if (transport != NCACN_NP && transport != NCALRPC) {
DCESRV_FAULT(DCERPC_FAULT_ACCESS_DENIED);
}
ZERO_STRUCTP(r->out.handle);
if (r->in.attr != NULL &&
r->in.attr->root_dir != NULL) {
/* MS-LSAD 3.1.4.4.1 */
return NT_STATUS_INVALID_PARAMETER;
}
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);
/* need to check the access mask against - need ACLs - fails
WSPP test */
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)
{
enum dcerpc_transport_t transport = dce_call->conn->endpoint->ep_description->transport;
struct lsa_OpenPolicy2 r2;
if (transport != NCACN_NP && transport != NCALRPC) {
DCESRV_FAULT(DCERPC_FAULT_ACCESS_DENIED);
}
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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