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https://github.com/samba-team/samba.git
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008c8adfe3
The problems here were that we did not bind to the LSA pipe, and we
did not consider it possible to have 0 trusted domains.
Andrew Bartlett
(This used to be commit 86694d429d
)
136 lines
4.1 KiB
C
136 lines
4.1 KiB
C
/*
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Unix SMB/CIFS implementation.
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Connect to the LSA pipe, given an smbcli_tree and possibly some
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credentials. Try ntlmssp, schannel and anon in that order.
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Copyright (C) Volker Lendecke 2005
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Copyright (C) Andrew Bartlett <abartlet@samba.org> 2007
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "includes.h"
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#include "libcli/composite/composite.h"
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#include "libcli/raw/libcliraw.h"
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#include "librpc/gen_ndr/ndr_lsa_c.h"
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#include "winbind/wb_server.h"
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/* Helper to initialize LSA with a specific auth methods. Verify by opening
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* the LSA policy. */
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struct init_lsa_state {
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struct composite_context *ctx;
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struct dcerpc_pipe *lsa_pipe;
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uint8_t auth_type;
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struct cli_credentials *creds;
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struct lsa_ObjectAttribute objectattr;
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struct lsa_OpenPolicy2 openpolicy;
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struct policy_handle *handle;
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};
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static void init_lsa_recv_pipe(struct composite_context *ctx);
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static void init_lsa_recv_openpol(struct rpc_request *req);
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struct composite_context *wb_init_lsa_send(TALLOC_CTX *mem_ctx,
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struct wbsrv_domain *domain)
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{
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struct composite_context *result, *ctx;
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struct init_lsa_state *state;
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result = composite_create(mem_ctx, domain->netlogon_pipe->conn->event_ctx);
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if (result == NULL) goto failed;
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state = talloc(result, struct init_lsa_state);
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if (state == NULL) goto failed;
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state->ctx = result;
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result->private_data = state;
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/* this will make the secondary connection on the same IPC$ share,
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secured with SPNEGO or NTLMSSP */
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ctx = dcerpc_secondary_auth_connection_send(domain->netlogon_pipe,
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domain->lsa_binding,
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&ndr_table_lsarpc,
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domain->libnet_ctx->cred,
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domain->libnet_ctx->lp_ctx);
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composite_continue(state->ctx, ctx, init_lsa_recv_pipe, state);
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return result;
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failed:
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talloc_free(result);
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return NULL;
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}
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static void init_lsa_recv_pipe(struct composite_context *ctx)
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{
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struct rpc_request *req;
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struct init_lsa_state *state =
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talloc_get_type(ctx->async.private_data,
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struct init_lsa_state);
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state->ctx->status = dcerpc_secondary_auth_connection_recv(ctx, state,
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&state->lsa_pipe);
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if (!composite_is_ok(state->ctx)) return;
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state->handle = talloc(state, struct policy_handle);
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if (composite_nomem(state->handle, state->ctx)) return;
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state->openpolicy.in.system_name =
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talloc_asprintf(state, "\\\\%s",
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dcerpc_server_name(state->lsa_pipe));
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ZERO_STRUCT(state->objectattr);
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state->openpolicy.in.attr = &state->objectattr;
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state->openpolicy.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
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state->openpolicy.out.handle = state->handle;
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req = dcerpc_lsa_OpenPolicy2_send(state->lsa_pipe, state,
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&state->openpolicy);
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composite_continue_rpc(state->ctx, req, init_lsa_recv_openpol, state);
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}
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static void init_lsa_recv_openpol(struct rpc_request *req)
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{
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struct init_lsa_state *state =
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talloc_get_type(req->async.private_data,
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struct init_lsa_state);
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state->ctx->status = dcerpc_ndr_request_recv(req);
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if (!composite_is_ok(state->ctx)) return;
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state->ctx->status = state->openpolicy.out.result;
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if (!composite_is_ok(state->ctx)) return;
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composite_done(state->ctx);
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}
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NTSTATUS wb_init_lsa_recv(struct composite_context *c,
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TALLOC_CTX *mem_ctx,
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struct dcerpc_pipe **lsa_pipe,
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struct policy_handle **lsa_policy)
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{
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NTSTATUS status = composite_wait(c);
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if (NT_STATUS_IS_OK(status)) {
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struct init_lsa_state *state =
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talloc_get_type(c->private_data,
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struct init_lsa_state);
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*lsa_pipe = talloc_steal(mem_ctx, state->lsa_pipe);
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*lsa_policy = talloc_steal(mem_ctx, state->handle);
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}
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talloc_free(c);
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return status;
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}
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