credentials. Try ntlmssp, schannel and anon in that order.
Copyright (C) Volker Lendecke 2005
-
+ Copyright (C) Andrew Bartlett <abartlet@samba.org> 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 2 of the License, or
#include "libcli/raw/libcliraw.h"
#include "librpc/gen_ndr/ndr_lsa_c.h"
+#include "winbind/wb_server.h"
/* Helper to initialize LSA with a specific auth methods. Verify by opening
* the LSA policy. */
};
static void init_lsa_recv_pipe(struct composite_context *ctx);
-static void init_lsa_recv_anon_bind(struct composite_context *ctx);
-static void init_lsa_recv_auth_bind(struct composite_context *ctx);
static void init_lsa_recv_openpol(struct rpc_request *req);
struct composite_context *wb_init_lsa_send(TALLOC_CTX *mem_ctx,
- struct smbcli_tree *tree,
- uint8_t auth_type,
- struct cli_credentials *creds)
+ struct wbsrv_domain *domain)
{
struct composite_context *result, *ctx;
struct init_lsa_state *state;
- result = composite_create(mem_ctx, tree->session->transport->socket->event.ctx);
+ result = composite_create(mem_ctx, domain->netlogon_pipe->conn->event_ctx);
if (result == NULL) goto failed;
state = talloc(result, struct init_lsa_state);
state->ctx = result;
result->private_data = state;
- state->auth_type = auth_type;
- state->creds = creds;
-
- state->lsa_pipe = dcerpc_pipe_init(state, result->event_ctx);
- if (state->lsa_pipe == NULL) goto failed;
-
- ctx = dcerpc_pipe_open_smb_send(state->lsa_pipe, tree,
- "\\lsarpc");
- ctx->async.fn = init_lsa_recv_pipe;
- ctx->async.private_data = state;
+ /* this will make the secondary connection on the same IPC$ share,
+ secured with SPNEGO or NTLMSSP */
+ ctx = dcerpc_secondary_connection_send(domain->netlogon_pipe,
+ domain->lsa_binding);
+ composite_continue(state->ctx, ctx, init_lsa_recv_pipe, state);
return result;
failed:
static void init_lsa_recv_pipe(struct composite_context *ctx)
{
- struct init_lsa_state *state =
- talloc_get_type(ctx->async.private_data,
- struct init_lsa_state);
-
- state->ctx->status = dcerpc_pipe_open_smb_recv(ctx);
- if (!composite_is_ok(state->ctx)) return;
-
- switch (state->auth_type) {
- case DCERPC_AUTH_TYPE_NONE:
- ctx = dcerpc_bind_auth_none_send(state, state->lsa_pipe,
- &dcerpc_table_lsarpc);
- composite_continue(state->ctx, ctx, init_lsa_recv_anon_bind,
- state);
- break;
- case DCERPC_AUTH_TYPE_NTLMSSP:
- case DCERPC_AUTH_TYPE_SCHANNEL:
- {
- uint8_t auth_type;
- if (lp_winbind_sealed_pipes()) {
- auth_type = DCERPC_AUTH_LEVEL_PRIVACY;
- } else {
- auth_type = DCERPC_AUTH_LEVEL_INTEGRITY;
- }
- if (state->creds == NULL) {
- composite_error(state->ctx, NT_STATUS_INTERNAL_ERROR);
- return;
- }
- ctx = dcerpc_bind_auth_send(state, state->lsa_pipe,
- &dcerpc_table_lsarpc,
- state->creds, state->auth_type,
- auth_type,
- NULL);
- composite_continue(state->ctx, ctx, init_lsa_recv_auth_bind,
- state);
- break;
- }
- default:
- composite_error(state->ctx, NT_STATUS_INTERNAL_ERROR);
- }
-}
-
-static void init_lsa_recv_anon_bind(struct composite_context *ctx)
-{
- struct init_lsa_state *state =
- talloc_get_type(ctx->async.private_data,
- struct init_lsa_state);
struct rpc_request *req;
-
- state->ctx->status = dcerpc_bind_auth_none_recv(ctx);
- if (!composite_is_ok(state->ctx)) return;
-
- state->handle = talloc(state, struct policy_handle);
- if (composite_nomem(state->handle, state->ctx)) return;
-
- state->openpolicy.in.system_name =
- talloc_asprintf(state, "\\\\%s",
- dcerpc_server_name(state->lsa_pipe));
- ZERO_STRUCT(state->objectattr);
- state->openpolicy.in.attr = &state->objectattr;
- state->openpolicy.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
- state->openpolicy.out.handle = state->handle;
-
- req = dcerpc_lsa_OpenPolicy2_send(state->lsa_pipe, state,
- &state->openpolicy);
- composite_continue_rpc(state->ctx, req, init_lsa_recv_openpol, state);
-}
-
-static void init_lsa_recv_auth_bind(struct composite_context *ctx)
-{
struct init_lsa_state *state =
talloc_get_type(ctx->async.private_data,
struct init_lsa_state);
- struct rpc_request *req;
- state->ctx->status = dcerpc_bind_auth_recv(ctx);
+ state->ctx->status = dcerpc_secondary_connection_recv(ctx,
+ &state->lsa_pipe);
if (!composite_is_ok(state->ctx)) return;
state->handle = talloc(state, struct policy_handle);
return status;
}
-
-/*
- * Connect to LSA using the credentials, try NTLMSSP and SCHANNEL using the
- * given credentials. If both fail or no credentials are available, fall back
- * to an anonymous bind.
- */
-
-struct connect_lsa_state {
- struct composite_context *ctx;
- struct smbcli_tree *tree;
- struct cli_credentials *credentials;
-
- uint8_t auth_type;
- struct dcerpc_pipe *lsa_pipe;
- struct policy_handle *lsa_policy;
-};
-
-static void connect_lsa_recv_ntlmssp(struct composite_context *ctx);
-static void connect_lsa_recv_schannel(struct composite_context *ctx);
-static void connect_lsa_recv_anon(struct composite_context *ctx);
-
-struct composite_context *wb_connect_lsa_send(TALLOC_CTX *mem_ctx,
- struct smbcli_tree *tree,
- struct cli_credentials *credentials)
-{
- struct composite_context *result, *ctx;
- struct connect_lsa_state *state;
-
- result = composite_create(mem_ctx, tree->session->transport->socket->event.ctx);
- if (result == NULL) goto failed;
-
- state = talloc(result, struct connect_lsa_state);
- if (state == NULL) goto failed;
- state->ctx = result;
- result->private_data = state;
-
- state->tree = tree;
- state->credentials = credentials;
-
- if (credentials == NULL) {
- ctx = wb_init_lsa_send(state, tree, DCERPC_AUTH_TYPE_NONE,
- NULL);
- if (ctx == NULL) goto failed;
- ctx->async.fn = connect_lsa_recv_anon;
- ctx->async.private_data = state;
- return result;
- }
-
- ctx = wb_init_lsa_send(state, tree, DCERPC_AUTH_TYPE_NTLMSSP,
- credentials);
- if (ctx == NULL) goto failed;
- ctx->async.fn = connect_lsa_recv_ntlmssp;
- ctx->async.private_data = state;
- return result;
-
- failed:
- talloc_free(result);
- return NULL;
-}
-
-static void connect_lsa_recv_ntlmssp(struct composite_context *ctx)
-{
- struct connect_lsa_state *state =
- talloc_get_type(ctx->async.private_data,
- struct connect_lsa_state);
-
- state->ctx->status = wb_init_lsa_recv(ctx, state, &state->lsa_pipe,
- &state->lsa_policy);
-
- if (NT_STATUS_IS_OK(state->ctx->status)) {
- state->auth_type = DCERPC_AUTH_TYPE_NTLMSSP;
- composite_done(state->ctx);
- return;
- }
-
- ctx = wb_init_lsa_send(state, state->tree, DCERPC_AUTH_TYPE_SCHANNEL,
- state->credentials);
- composite_continue(state->ctx, ctx,
- connect_lsa_recv_schannel, state);
-}
-
-static void connect_lsa_recv_schannel(struct composite_context *ctx)
-{
- struct connect_lsa_state *state =
- talloc_get_type(ctx->async.private_data,
- struct connect_lsa_state);
-
- state->ctx->status = wb_init_lsa_recv(ctx, state, &state->lsa_pipe,
- &state->lsa_policy);
-
- if (NT_STATUS_IS_OK(state->ctx->status)) {
- state->auth_type = DCERPC_AUTH_TYPE_SCHANNEL;
- composite_done(state->ctx);
- return;
- }
-
- ctx = wb_init_lsa_send(state, state->tree, DCERPC_AUTH_TYPE_NONE,
- state->credentials);
- composite_continue(state->ctx, ctx,
- connect_lsa_recv_anon, state);
-}
-
-static void connect_lsa_recv_anon(struct composite_context *ctx)
-{
- struct connect_lsa_state *state =
- talloc_get_type(ctx->async.private_data,
- struct connect_lsa_state);
-
- state->ctx->status = wb_init_lsa_recv(ctx, state, &state->lsa_pipe,
- &state->lsa_policy);
- if (!composite_is_ok(state->ctx)) return;
-
- state->auth_type = DCERPC_AUTH_TYPE_NONE;
- composite_done(state->ctx);
-}
-
-NTSTATUS wb_connect_lsa_recv(struct composite_context *c,
- TALLOC_CTX *mem_ctx,
- uint8_t *auth_type,
- struct dcerpc_pipe **lsa_pipe,
- struct policy_handle **lsa_policy)
-{
- NTSTATUS status = composite_wait(c);
- if (NT_STATUS_IS_OK(status)) {
- struct connect_lsa_state *state =
- talloc_get_type(c->private_data,
- struct connect_lsa_state);
- *auth_type = state->auth_type;
- *lsa_pipe = talloc_steal(mem_ctx, state->lsa_pipe);
- *lsa_policy = talloc_steal(mem_ctx, state->lsa_policy);
- }
- talloc_free(c);
- return status;
-}
-
-NTSTATUS wb_connect_lsa(TALLOC_CTX *mem_ctx,
- struct smbcli_tree *tree,
- struct cli_credentials *credentials,
- uint8_t *auth_type,
- struct dcerpc_pipe **lsa_pipe,
- struct policy_handle **lsa_policy)
-{
- struct composite_context *c;
- c = wb_connect_lsa_send(mem_ctx, tree, credentials);
- return wb_connect_lsa_recv(c, mem_ctx, auth_type, lsa_pipe,
- lsa_policy);
-}
git.samba.org / samba.git / blobdiff