s3-talloc Change TALLOC_ZERO_P() to talloc_zero()
[nivanova/samba-autobuild/.git] / source3 / rpc_client / cli_pipe.c
index 363d83e6827a1b9bf103cf71c45d462aa9f62f67..682f35ece07634a0200ad552f308e0dc96410ead 100644 (file)
  */
 
 #include "includes.h"
-#include "librpc/gen_ndr/cli_epmapper.h"
+#include "../lib/util/tevent_ntstatus.h"
+#include "librpc/gen_ndr/ndr_epmapper_c.h"
 #include "../librpc/gen_ndr/ndr_schannel.h"
 #include "../librpc/gen_ndr/ndr_dssetup.h"
 #include "../libcli/auth/schannel.h"
 #include "../libcli/auth/spnego.h"
-#include "smb_krb5.h"
 #include "../libcli/auth/ntlmssp.h"
 #include "ntlmssp_wrap.h"
 #include "librpc/gen_ndr/ndr_dcerpc.h"
 #include "librpc/rpc/dcerpc.h"
-#include "librpc/rpc/dcerpc_gssapi.h"
-#include "librpc/rpc/dcerpc_spnego.h"
+#include "librpc/crypto/gse.h"
+#include "librpc/crypto/spnego.h"
 #include "rpc_dce.h"
+#include "cli_pipe.h"
+#include "client.h"
 
 #undef DBGC_CLASS
 #define DBGC_CLASS DBGC_RPC_CLI
@@ -467,11 +469,7 @@ static NTSTATUS cli_pipe_validate_current_pdu(TALLOC_CTX *mem_ctx,
                          pkt->u.fault.status),
                          rpccli_pipe_txt(talloc_tos(), cli)));
 
-               if (NT_STATUS_IS_OK(NT_STATUS(pkt->u.fault.status))) {
-                       return NT_STATUS_UNSUCCESSFUL;
-               } else {
-                       return NT_STATUS(pkt->u.fault.status);
-               }
+               return dcerpc_fault_to_nt_status(pkt->u.fault.status);
 
        default:
                DEBUG(0, (__location__ "Unknown packet type %u received "
@@ -608,7 +606,7 @@ static void cli_api_pipe_write_done(struct tevent_req *subreq)
                return;
        }
 
-       state->rdata = TALLOC_ARRAY(state, uint8_t, RPC_HEADER_LEN);
+       state->rdata = talloc_array(state, uint8_t, RPC_HEADER_LEN);
        if (tevent_req_nomem(state->rdata, req)) {
                return;
        }
@@ -985,12 +983,15 @@ static NTSTATUS create_spnego_auth_bind_req(TALLOC_CTX *mem_ctx,
                                            struct pipe_auth_data *auth,
                                            DATA_BLOB *auth_token)
 {
+       struct spnego_context *spnego_ctx;
        DATA_BLOB in_token = data_blob_null;
        NTSTATUS status;
 
+       spnego_ctx = talloc_get_type_abort(auth->auth_ctx,
+                                          struct spnego_context);
+
        /* Negotiate the initial auth token */
-       status = spnego_get_client_auth_token(mem_ctx,
-                                             auth->a_u.spnego_state,
+       status = spnego_get_client_auth_token(mem_ctx, spnego_ctx,
                                              &in_token, auth_token);
        if (!NT_STATUS_IS_OK(status)) {
                return status;
@@ -1010,12 +1011,15 @@ static NTSTATUS create_gssapi_auth_bind_req(TALLOC_CTX *mem_ctx,
                                            struct pipe_auth_data *auth,
                                            DATA_BLOB *auth_token)
 {
+       struct gse_context *gse_ctx;
        DATA_BLOB in_token = data_blob_null;
        NTSTATUS status;
 
+       gse_ctx = talloc_get_type_abort(auth->auth_ctx,
+                                       struct gse_context);
+
        /* Negotiate the initial auth token */
-       status = gse_get_client_auth_token(mem_ctx,
-                                          auth->a_u.gssapi_state,
+       status = gse_get_client_auth_token(mem_ctx, gse_ctx,
                                           &in_token,
                                           auth_token);
        if (!NT_STATUS_IS_OK(status)) {
@@ -1035,12 +1039,15 @@ static NTSTATUS create_gssapi_auth_bind_req(TALLOC_CTX *mem_ctx,
 static NTSTATUS create_ntlmssp_auth_rpc_bind_req(struct rpc_pipe_client *cli,
                                                 DATA_BLOB *auth_token)
 {
-       NTSTATUS status;
+       struct auth_ntlmssp_state *ntlmssp_ctx;
        DATA_BLOB null_blob = data_blob_null;
+       NTSTATUS status;
+
+       ntlmssp_ctx = talloc_get_type_abort(cli->auth->auth_ctx,
+                                           struct auth_ntlmssp_state);
 
        DEBUG(5, ("create_ntlmssp_auth_rpc_bind_req: Processing NTLMSSP Negotiate\n"));
-       status = auth_ntlmssp_update(cli->auth->a_u.auth_ntlmssp_state,
-                                       null_blob, auth_token);
+       status = auth_ntlmssp_update(ntlmssp_ctx, null_blob, auth_token);
 
        if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
                data_blob_free(auth_token);
@@ -1184,6 +1191,12 @@ static NTSTATUS create_rpc_bind_req(TALLOC_CTX *mem_ctx,
                }
                break;
 
+       case DCERPC_AUTH_TYPE_NCALRPC_AS_SYSTEM:
+               auth_token = data_blob_talloc(mem_ctx,
+                                             "NCALRPC_AUTH_TOKEN",
+                                             18);
+               break;
+
        case DCERPC_AUTH_TYPE_NONE:
                break;
 
@@ -1474,53 +1487,6 @@ NTSTATUS rpc_api_pipe_req_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
        return NT_STATUS_OK;
 }
 
-#if 0
-/****************************************************************************
- Set the handle state.
-****************************************************************************/
-
-static bool rpc_pipe_set_hnd_state(struct rpc_pipe_client *cli,
-                                  const char *pipe_name, uint16 device_state)
-{
-       bool state_set = False;
-       char param[2];
-       uint16 setup[2]; /* only need 2 uint16 setup parameters */
-       char *rparam = NULL;
-       char *rdata = NULL;
-       uint32 rparam_len, rdata_len;
-
-       if (pipe_name == NULL)
-               return False;
-
-       DEBUG(5,("Set Handle state Pipe[%x]: %s - device state:%x\n",
-                cli->fnum, pipe_name, device_state));
-
-       /* create parameters: device state */
-       SSVAL(param, 0, device_state);
-
-       /* create setup parameters. */
-       setup[0] = 0x0001; 
-       setup[1] = cli->fnum; /* pipe file handle.  got this from an SMBOpenX. */
-
-       /* send the data on \PIPE\ */
-       if (cli_api_pipe(cli->cli, "\\PIPE\\",
-                   setup, 2, 0,                /* setup, length, max */
-                   param, 2, 0,                /* param, length, max */
-                   NULL, 0, 1024,              /* data, length, max */
-                   &rparam, &rparam_len,        /* return param, length */
-                   &rdata, &rdata_len))         /* return data, length */
-       {
-               DEBUG(5, ("Set Handle state: return OK\n"));
-               state_set = True;
-       }
-
-       SAFE_FREE(rparam);
-       SAFE_FREE(rdata);
-
-       return state_set;
-}
-#endif
-
 /****************************************************************************
  Check the rpc bind acknowledge response.
 ****************************************************************************/
@@ -1651,11 +1617,11 @@ struct rpc_pipe_bind_state {
        struct event_context *ev;
        struct rpc_pipe_client *cli;
        DATA_BLOB rpc_out;
+       bool auth3;
        uint32_t rpc_call_id;
 };
 
 static void rpc_pipe_bind_step_one_done(struct tevent_req *subreq);
-static void rpc_bind_auth3_write_done(struct tevent_req *subreq);
 static NTSTATUS rpc_bind_next_send(struct tevent_req *req,
                                   struct rpc_pipe_bind_state *state,
                                   DATA_BLOB *credentials);
@@ -1677,16 +1643,14 @@ struct tevent_req *rpc_pipe_bind_send(TALLOC_CTX *mem_ctx,
                return NULL;
        }
 
-       DEBUG(5,("Bind RPC Pipe: %s auth_type %u(%u), auth_level %u\n",
+       DEBUG(5,("Bind RPC Pipe: %s auth_type %u, auth_level %u\n",
                rpccli_pipe_txt(talloc_tos(), cli),
                (unsigned int)auth->auth_type,
-               (unsigned int)auth->spnego_type,
                (unsigned int)auth->auth_level ));
 
        state->ev = ev;
        state->cli = cli;
        state->rpc_call_id = get_rpc_call_id();
-       state->rpc_out = data_blob_null;
 
        cli->auth = talloc_move(cli, &auth);
 
@@ -1725,7 +1689,10 @@ static void rpc_pipe_bind_step_one_done(struct tevent_req *subreq)
        struct rpc_pipe_bind_state *state = tevent_req_data(
                req, struct rpc_pipe_bind_state);
        struct pipe_auth_data *pauth = state->cli->auth;
-       struct ncacn_packet *pkt;
+       struct auth_ntlmssp_state *ntlmssp_ctx;
+       struct spnego_context *spnego_ctx;
+       struct gse_context *gse_ctx;
+       struct ncacn_packet *pkt = NULL;
        struct dcerpc_auth auth;
        DATA_BLOB auth_token = data_blob_null;
        NTSTATUS status;
@@ -1740,6 +1707,11 @@ static void rpc_pipe_bind_step_one_done(struct tevent_req *subreq)
                return;
        }
 
+       if (state->auth3) {
+               tevent_req_done(req);
+               return;
+       }
+
        if (!check_bind_response(&pkt->u.bind_ack, &state->cli->transfer_syntax)) {
                DEBUG(2, ("rpc_pipe_bind: check_bind_response failed.\n"));
                tevent_req_nterror(req, NT_STATUS_BUFFER_TOO_SMALL);
@@ -1752,6 +1724,7 @@ static void rpc_pipe_bind_step_one_done(struct tevent_req *subreq)
        switch(pauth->auth_type) {
 
        case DCERPC_AUTH_TYPE_NONE:
+       case DCERPC_AUTH_TYPE_NCALRPC_AS_SYSTEM:
        case DCERPC_AUTH_TYPE_SCHANNEL:
                /* Bind complete. */
                tevent_req_done(req);
@@ -1790,13 +1763,16 @@ static void rpc_pipe_bind_step_one_done(struct tevent_req *subreq)
        switch(pauth->auth_type) {
 
        case DCERPC_AUTH_TYPE_NONE:
+       case DCERPC_AUTH_TYPE_NCALRPC_AS_SYSTEM:
        case DCERPC_AUTH_TYPE_SCHANNEL:
                /* Bind complete. */
                tevent_req_done(req);
                return;
 
        case DCERPC_AUTH_TYPE_NTLMSSP:
-               status = auth_ntlmssp_update(pauth->a_u.auth_ntlmssp_state,
+               ntlmssp_ctx = talloc_get_type_abort(pauth->auth_ctx,
+                                                   struct auth_ntlmssp_state);
+               status = auth_ntlmssp_update(ntlmssp_ctx,
                                             auth.credentials, &auth_token);
                if (NT_STATUS_EQUAL(status,
                                    NT_STATUS_MORE_PROCESSING_REQUIRED)) {
@@ -1809,8 +1785,10 @@ static void rpc_pipe_bind_step_one_done(struct tevent_req *subreq)
                break;
 
        case DCERPC_AUTH_TYPE_SPNEGO:
+               spnego_ctx = talloc_get_type_abort(pauth->auth_ctx,
+                                                  struct spnego_context);
                status = spnego_get_client_auth_token(state,
-                                               pauth->a_u.spnego_state,
+                                               spnego_ctx,
                                                &auth.credentials,
                                                &auth_token);
                if (!NT_STATUS_IS_OK(status)) {
@@ -1821,7 +1799,7 @@ static void rpc_pipe_bind_step_one_done(struct tevent_req *subreq)
                        tevent_req_done(req);
                        return;
                }
-               if (spnego_require_more_processing(pauth->a_u.spnego_state)) {
+               if (spnego_require_more_processing(spnego_ctx)) {
                        status = rpc_bind_next_send(req, state,
                                                        &auth_token);
                } else {
@@ -1831,15 +1809,17 @@ static void rpc_pipe_bind_step_one_done(struct tevent_req *subreq)
                break;
 
        case DCERPC_AUTH_TYPE_KRB5:
+               gse_ctx = talloc_get_type_abort(pauth->auth_ctx,
+                                               struct gse_context);
                status = gse_get_client_auth_token(state,
-                                                  pauth->a_u.gssapi_state,
+                                                  gse_ctx,
                                                   &auth.credentials,
                                                   &auth_token);
                if (!NT_STATUS_IS_OK(status)) {
                        break;
                }
 
-               if (gse_require_more_processing(pauth->a_u.gssapi_state)) {
+               if (gse_require_more_processing(gse_ctx)) {
                        status = rpc_bind_next_send(req, state, &auth_token);
                } else {
                        status = rpc_bind_finish_send(req, state, &auth_token);
@@ -1856,27 +1836,11 @@ static void rpc_pipe_bind_step_one_done(struct tevent_req *subreq)
        return;
 
 err_out:
-       DEBUG(0,("cli_finish_bind_auth: unknown auth type %u(%u)\n",
-                (unsigned int)state->cli->auth->auth_type,
-                (unsigned int)state->cli->auth->spnego_type));
+       DEBUG(0,("cli_finish_bind_auth: unknown auth type %u\n",
+                (unsigned int)state->cli->auth->auth_type));
        tevent_req_nterror(req, NT_STATUS_INTERNAL_ERROR);
 }
 
-static void rpc_bind_auth3_write_done(struct tevent_req *subreq)
-{
-       struct tevent_req *req = tevent_req_callback_data(
-               subreq, struct tevent_req);
-       NTSTATUS status;
-
-       status = rpc_write_recv(subreq);
-       TALLOC_FREE(subreq);
-       if (!NT_STATUS_IS_OK(status)) {
-               tevent_req_nterror(req, status);
-               return;
-       }
-       tevent_req_done(req);
-}
-
 static NTSTATUS rpc_bind_next_send(struct tevent_req *req,
                                   struct rpc_pipe_bind_state *state,
                                   DATA_BLOB *auth_token)
@@ -1917,6 +1881,8 @@ static NTSTATUS rpc_bind_finish_send(struct tevent_req *req,
        struct tevent_req *subreq;
        NTSTATUS status;
 
+       state->auth3 = true;
+
        /* Now prepare the auth3 context pdu. */
        data_blob_free(&state->rpc_out);
 
@@ -1930,12 +1896,12 @@ static NTSTATUS rpc_bind_finish_send(struct tevent_req *req,
                return status;
        }
 
-       subreq = rpc_write_send(state, state->ev, state->cli->transport,
-                               state->rpc_out.data, state->rpc_out.length);
+       subreq = rpc_api_pipe_send(state, state->ev, state->cli,
+                                  &state->rpc_out, DCERPC_PKT_AUTH3);
        if (subreq == NULL) {
                return NT_STATUS_NO_MEMORY;
        }
-       tevent_req_set_callback(subreq, rpc_bind_auth3_write_done, req);
+       tevent_req_set_callback(subreq, rpc_pipe_bind_step_one_done, req);
        return NT_STATUS_OK;
 }
 
@@ -2221,7 +2187,7 @@ static const struct dcerpc_binding_handle_ops rpccli_bh_ops = {
 };
 
 /* initialise a rpc_pipe_client binding handle */
-static struct dcerpc_binding_handle *rpccli_bh_create(struct rpc_pipe_client *c)
+struct dcerpc_binding_handle *rpccli_bh_create(struct rpc_pipe_client *c)
 {
        struct dcerpc_binding_handle *h;
        struct rpccli_bh_state *hs;
@@ -2247,22 +2213,25 @@ bool rpccli_get_pwd_hash(struct rpc_pipe_client *rpc_cli, uint8_t nt_hash[16])
        struct cli_state *cli;
 
        if (rpc_cli->auth->auth_type == DCERPC_AUTH_TYPE_NTLMSSP) {
-               a = rpc_cli->auth->a_u.auth_ntlmssp_state;
+               a = talloc_get_type_abort(rpc_cli->auth->auth_ctx,
+                                         struct auth_ntlmssp_state);
        } else if (rpc_cli->auth->auth_type == DCERPC_AUTH_TYPE_SPNEGO) {
-               enum dcerpc_AuthType auth_type;
+               struct spnego_context *spnego_ctx;
+               enum spnego_mech auth_type;
                void *auth_ctx;
                NTSTATUS status;
 
-               status = spnego_get_negotiated_mech(
-                                       rpc_cli->auth->a_u.spnego_state,
-                                       &auth_type, &auth_ctx);
+               spnego_ctx = talloc_get_type_abort(rpc_cli->auth->auth_ctx,
+                                                  struct spnego_context);
+               status = spnego_get_negotiated_mech(spnego_ctx,
+                                                   &auth_type, &auth_ctx);
                if (!NT_STATUS_IS_OK(status)) {
                        return false;
                }
 
-               if (auth_type == DCERPC_AUTH_TYPE_NTLMSSP) {
-                       a = talloc_get_type(auth_ctx,
-                                           struct auth_ntlmssp_state);
+               if (auth_type == SPNEGO_NTLMSSP) {
+                       a = talloc_get_type_abort(auth_ctx,
+                                                 struct auth_ntlmssp_state);
                }
        }
 
@@ -2279,6 +2248,30 @@ bool rpccli_get_pwd_hash(struct rpc_pipe_client *rpc_cli, uint8_t nt_hash[16])
        return true;
 }
 
+NTSTATUS rpccli_ncalrpc_bind_data(TALLOC_CTX *mem_ctx,
+                                 struct pipe_auth_data **presult)
+{
+       struct pipe_auth_data *result;
+
+       result = talloc(mem_ctx, struct pipe_auth_data);
+       if (result == NULL) {
+               return NT_STATUS_NO_MEMORY;
+       }
+
+       result->auth_type = DCERPC_AUTH_TYPE_NCALRPC_AS_SYSTEM;
+       result->auth_level = DCERPC_AUTH_LEVEL_CONNECT;
+
+       result->user_name = talloc_strdup(result, "");
+       result->domain = talloc_strdup(result, "");
+       if ((result->user_name == NULL) || (result->domain == NULL)) {
+               TALLOC_FREE(result);
+               return NT_STATUS_NO_MEMORY;
+       }
+
+       *presult = result;
+       return NT_STATUS_OK;
+}
+
 NTSTATUS rpccli_anon_bind_data(TALLOC_CTX *mem_ctx,
                               struct pipe_auth_data **presult)
 {
@@ -2290,7 +2283,6 @@ NTSTATUS rpccli_anon_bind_data(TALLOC_CTX *mem_ctx,
        }
 
        result->auth_type = DCERPC_AUTH_TYPE_NONE;
-       result->spnego_type = PIPE_AUTH_TYPE_SPNEGO_NONE;
        result->auth_level = DCERPC_AUTH_LEVEL_NONE;
 
        result->user_name = talloc_strdup(result, "");
@@ -2306,7 +2298,7 @@ NTSTATUS rpccli_anon_bind_data(TALLOC_CTX *mem_ctx,
 
 static int cli_auth_ntlmssp_data_destructor(struct pipe_auth_data *auth)
 {
-       TALLOC_FREE(auth->a_u.auth_ntlmssp_state);
+       TALLOC_FREE(auth->auth_ctx);
        return 0;
 }
 
@@ -2318,6 +2310,7 @@ static NTSTATUS rpccli_ntlmssp_bind_data(TALLOC_CTX *mem_ctx,
                                  const char *password,
                                  struct pipe_auth_data **presult)
 {
+       struct auth_ntlmssp_state *ntlmssp_ctx;
        struct pipe_auth_data *result;
        NTSTATUS status;
 
@@ -2340,27 +2333,24 @@ static NTSTATUS rpccli_ntlmssp_bind_data(TALLOC_CTX *mem_ctx,
                                      global_myname(),
                                      lp_workgroup(),
                                      lp_client_ntlmv2_auth(),
-                                     &result->a_u.auth_ntlmssp_state);
+                                     &ntlmssp_ctx);
        if (!NT_STATUS_IS_OK(status)) {
                goto fail;
        }
 
        talloc_set_destructor(result, cli_auth_ntlmssp_data_destructor);
 
-       status = auth_ntlmssp_set_username(result->a_u.auth_ntlmssp_state,
-                                          username);
+       status = auth_ntlmssp_set_username(ntlmssp_ctx, username);
        if (!NT_STATUS_IS_OK(status)) {
                goto fail;
        }
 
-       status = auth_ntlmssp_set_domain(result->a_u.auth_ntlmssp_state,
-                                        domain);
+       status = auth_ntlmssp_set_domain(ntlmssp_ctx, domain);
        if (!NT_STATUS_IS_OK(status)) {
                goto fail;
        }
 
-       status = auth_ntlmssp_set_password(result->a_u.auth_ntlmssp_state,
-                                          password);
+       status = auth_ntlmssp_set_password(ntlmssp_ctx, password);
        if (!NT_STATUS_IS_OK(status)) {
                goto fail;
        }
@@ -2368,19 +2358,17 @@ static NTSTATUS rpccli_ntlmssp_bind_data(TALLOC_CTX *mem_ctx,
        /*
         * Turn off sign+seal to allow selected auth level to turn it back on.
         */
-       auth_ntlmssp_and_flags(result->a_u.auth_ntlmssp_state,
-                                               ~(NTLMSSP_NEGOTIATE_SIGN |
-                                                 NTLMSSP_NEGOTIATE_SEAL));
+       auth_ntlmssp_and_flags(ntlmssp_ctx, ~(NTLMSSP_NEGOTIATE_SIGN |
+                                               NTLMSSP_NEGOTIATE_SEAL));
 
        if (auth_level == DCERPC_AUTH_LEVEL_INTEGRITY) {
-               auth_ntlmssp_or_flags(result->a_u.auth_ntlmssp_state,
-                                               NTLMSSP_NEGOTIATE_SIGN);
+               auth_ntlmssp_or_flags(ntlmssp_ctx, NTLMSSP_NEGOTIATE_SIGN);
        } else if (auth_level == DCERPC_AUTH_LEVEL_PRIVACY) {
-               auth_ntlmssp_or_flags(result->a_u.auth_ntlmssp_state,
-                                               NTLMSSP_NEGOTIATE_SEAL |
-                                               NTLMSSP_NEGOTIATE_SIGN);
+               auth_ntlmssp_or_flags(ntlmssp_ctx, NTLMSSP_NEGOTIATE_SEAL |
+                                                    NTLMSSP_NEGOTIATE_SIGN);
        }
 
+       result->auth_ctx = ntlmssp_ctx;
        *presult = result;
        return NT_STATUS_OK;
 
@@ -2394,6 +2382,7 @@ NTSTATUS rpccli_schannel_bind_data(TALLOC_CTX *mem_ctx, const char *domain,
                                   struct netlogon_creds_CredentialState *creds,
                                   struct pipe_auth_data **presult)
 {
+       struct schannel_state *schannel_auth;
        struct pipe_auth_data *result;
 
        result = talloc(mem_ctx, struct pipe_auth_data);
@@ -2402,7 +2391,6 @@ NTSTATUS rpccli_schannel_bind_data(TALLOC_CTX *mem_ctx, const char *domain,
        }
 
        result->auth_type = DCERPC_AUTH_TYPE_SCHANNEL;
-       result->spnego_type = PIPE_AUTH_TYPE_SPNEGO_NONE;
        result->auth_level = auth_level;
 
        result->user_name = talloc_strdup(result, "");
@@ -2411,16 +2399,17 @@ NTSTATUS rpccli_schannel_bind_data(TALLOC_CTX *mem_ctx, const char *domain,
                goto fail;
        }
 
-       result->a_u.schannel_auth = talloc(result, struct schannel_state);
-       if (result->a_u.schannel_auth == NULL) {
+       schannel_auth = talloc(result, struct schannel_state);
+       if (schannel_auth == NULL) {
                goto fail;
        }
 
-       result->a_u.schannel_auth->state = SCHANNEL_STATE_START;
-       result->a_u.schannel_auth->seq_num = 0;
-       result->a_u.schannel_auth->initiator = true;
-       result->a_u.schannel_auth->creds = netlogon_creds_copy(result, creds);
+       schannel_auth->state = SCHANNEL_STATE_START;
+       schannel_auth->seq_num = 0;
+       schannel_auth->initiator = true;
+       schannel_auth->creds = netlogon_creds_copy(result, creds);
 
+       result->auth_ctx = schannel_auth;
        *presult = result;
        return NT_STATUS_OK;
 
@@ -2442,7 +2431,7 @@ static NTSTATUS rpc_pipe_open_tcp_port(TALLOC_CTX *mem_ctx, const char *host,
        NTSTATUS status;
        int fd;
 
-       result = TALLOC_ZERO_P(mem_ctx, struct rpc_pipe_client);
+       result = talloc_zero(mem_ctx, struct rpc_pipe_client);
        if (result == NULL) {
                return NT_STATUS_NO_MEMORY;
        }
@@ -2466,7 +2455,7 @@ static NTSTATUS rpc_pipe_open_tcp_port(TALLOC_CTX *mem_ctx, const char *host,
                goto fail;
        }
 
-       status = open_socket_out(&addr, port, 60, &fd);
+       status = open_socket_out(&addr, port, 60*1000, &fd);
        if (!NT_STATUS_IS_OK(status)) {
                goto fail;
        }
@@ -2505,6 +2494,7 @@ static NTSTATUS rpc_pipe_get_tcp_port(const char *host,
 {
        NTSTATUS status;
        struct rpc_pipe_client *epm_pipe = NULL;
+       struct dcerpc_binding_handle *epm_handle = NULL;
        struct pipe_auth_data *auth = NULL;
        struct dcerpc_binding *map_binding = NULL;
        struct dcerpc_binding *res_binding = NULL;
@@ -2515,12 +2505,19 @@ static NTSTATUS rpc_pipe_get_tcp_port(const char *host,
        uint32_t max_towers = 1;
        struct epm_twr_p_t towers;
        TALLOC_CTX *tmp_ctx = talloc_stackframe();
+       uint32_t result = 0;
 
        if (pport == NULL) {
                status = NT_STATUS_INVALID_PARAMETER;
                goto done;
        }
 
+       if (ndr_syntax_id_equal(abstract_syntax,
+                               &ndr_table_epmapper.syntax_id)) {
+               *pport = 135;
+               return NT_STATUS_OK;
+       }
+
        /* open the connection to the endpoint mapper */
        status = rpc_pipe_open_tcp_port(tmp_ctx, host, 135,
                                        &ndr_table_epmapper.syntax_id,
@@ -2529,6 +2526,7 @@ static NTSTATUS rpc_pipe_get_tcp_port(const char *host,
        if (!NT_STATUS_IS_OK(status)) {
                goto done;
        }
+       epm_handle = epm_pipe->binding_handle;
 
        status = rpccli_anon_bind_data(tmp_ctx, &auth);
        if (!NT_STATUS_IS_OK(status)) {
@@ -2542,7 +2540,7 @@ static NTSTATUS rpc_pipe_get_tcp_port(const char *host,
 
        /* create tower for asking the epmapper */
 
-       map_binding = TALLOC_ZERO_P(tmp_ctx, struct dcerpc_binding);
+       map_binding = talloc_zero(tmp_ctx, struct dcerpc_binding);
        if (map_binding == NULL) {
                status = NT_STATUS_NO_MEMORY;
                goto done;
@@ -2553,7 +2551,7 @@ static NTSTATUS rpc_pipe_get_tcp_port(const char *host,
        map_binding->host = host; /* needed? */
        map_binding->endpoint = "0"; /* correct? needed? */
 
-       map_tower = TALLOC_ZERO_P(tmp_ctx, struct epm_twr_t);
+       map_tower = talloc_zero(tmp_ctx, struct epm_twr_t);
        if (map_tower == NULL) {
                status = NT_STATUS_NO_MEMORY;
                goto done;
@@ -2567,14 +2565,14 @@ static NTSTATUS rpc_pipe_get_tcp_port(const char *host,
 
        /* allocate further parameters for the epm_Map call */
 
-       res_towers = TALLOC_ARRAY(tmp_ctx, struct epm_twr_t, max_towers);
+       res_towers = talloc_array(tmp_ctx, struct epm_twr_t, max_towers);
        if (res_towers == NULL) {
                status = NT_STATUS_NO_MEMORY;
                goto done;
        }
        towers.twr = res_towers;
 
-       entry_handle = TALLOC_ZERO_P(tmp_ctx, struct policy_handle);
+       entry_handle = talloc_zero(tmp_ctx, struct policy_handle);
        if (entry_handle == NULL) {
                status = NT_STATUS_NO_MEMORY;
                goto done;
@@ -2582,20 +2580,26 @@ static NTSTATUS rpc_pipe_get_tcp_port(const char *host,
 
        /* ask the endpoint mapper for the port */
 
-       status = rpccli_epm_Map(epm_pipe,
+       status = dcerpc_epm_Map(epm_handle,
                                tmp_ctx,
-                               CONST_DISCARD(struct GUID *,
+                               discard_const_p(struct GUID,
                                              &(abstract_syntax->uuid)),
                                map_tower,
                                entry_handle,
                                max_towers,
                                &num_towers,
-                               &towers);
+                               &towers,
+                               &result);
 
        if (!NT_STATUS_IS_OK(status)) {
                goto done;
        }
 
+       if (result != EPMAPPER_STATUS_OK) {
+               status = NT_STATUS_UNSUCCESSFUL;
+               goto done;
+       }
+
        if (num_towers != 1) {
                status = NT_STATUS_UNSUCCESSFUL;
                goto done;
@@ -2683,7 +2687,7 @@ NTSTATUS rpc_pipe_open_ncalrpc(TALLOC_CTX *mem_ctx, const char *socket_path,
 
        ZERO_STRUCT(addr);
        addr.sun_family = AF_UNIX;
-       strncpy(addr.sun_path, socket_path, sizeof(addr.sun_path));
+       strlcpy(addr.sun_path, socket_path, sizeof(addr.sun_path));
 
        if (sys_connect(fd, (struct sockaddr *)(void *)&addr) == -1) {
                DEBUG(0, ("connect(%s) failed: %s\n", socket_path,
@@ -2752,7 +2756,7 @@ static NTSTATUS rpc_pipe_open_np(struct cli_state *cli,
                return NT_STATUS_INVALID_HANDLE;
        }
 
-       result = TALLOC_ZERO_P(NULL, struct rpc_pipe_client);
+       result = talloc_zero(NULL, struct rpc_pipe_client);
        if (result == NULL) {
                return NT_STATUS_NO_MEMORY;
        }
@@ -3037,6 +3041,7 @@ NTSTATUS cli_rpc_pipe_open_krb5(struct cli_state *cli,
 {
        struct rpc_pipe_client *result;
        struct pipe_auth_data *auth;
+       struct gse_context *gse_ctx;
        NTSTATUS status;
 
        status = cli_rpc_pipe_open(cli, transport, interface, &result);
@@ -3068,15 +3073,17 @@ NTSTATUS cli_rpc_pipe_open_krb5(struct cli_state *cli,
                goto err_out;
        }
 
-       status = gse_init_client(auth, auth->auth_type, auth->auth_level,
+       status = gse_init_client(auth,
+                                (auth_level == DCERPC_AUTH_LEVEL_INTEGRITY),
+                                (auth_level == DCERPC_AUTH_LEVEL_PRIVACY),
                                 NULL, server, "cifs", username, password,
-                                GSS_C_DCE_STYLE, &auth->a_u.gssapi_state);
-
+                                GSS_C_DCE_STYLE, &gse_ctx);
        if (!NT_STATUS_IS_OK(status)) {
                DEBUG(0, ("gse_init_client returned %s\n",
                          nt_errstr(status)));
                goto err_out;
        }
+       auth->auth_ctx = gse_ctx;
 
        status = rpc_pipe_bind(result, auth);
        if (!NT_STATUS_IS_OK(status)) {
@@ -3104,6 +3111,7 @@ NTSTATUS cli_rpc_pipe_open_spnego_krb5(struct cli_state *cli,
 {
        struct rpc_pipe_client *result;
        struct pipe_auth_data *auth;
+       struct spnego_context *spnego_ctx;
        NTSTATUS status;
 
        status = cli_rpc_pipe_open(cli, transport, interface, &result);
@@ -3118,8 +3126,6 @@ NTSTATUS cli_rpc_pipe_open_spnego_krb5(struct cli_state *cli,
        }
        auth->auth_type = DCERPC_AUTH_TYPE_SPNEGO;
        auth->auth_level = auth_level;
-       /* compat */
-       auth->spnego_type = PIPE_AUTH_TYPE_SPNEGO_KRB5;
 
        if (!username) {
                username = "";
@@ -3137,16 +3143,21 @@ NTSTATUS cli_rpc_pipe_open_spnego_krb5(struct cli_state *cli,
                goto err_out;
        }
 
-       status = spnego_gssapi_init_client(auth, auth->auth_level,
+       status = spnego_gssapi_init_client(auth,
+                                          (auth->auth_level ==
+                                               DCERPC_AUTH_LEVEL_INTEGRITY),
+                                          (auth->auth_level ==
+                                               DCERPC_AUTH_LEVEL_PRIVACY),
+                                          true,
                                           NULL, server, "cifs",
                                           username, password,
-                                          GSS_C_DCE_STYLE,
-                                          &auth->a_u.spnego_state);
+                                          &spnego_ctx);
        if (!NT_STATUS_IS_OK(status)) {
                DEBUG(0, ("spnego_init_client returned %s\n",
                          nt_errstr(status)));
                goto err_out;
        }
+       auth->auth_ctx = spnego_ctx;
 
        status = rpc_pipe_bind(result, auth);
        if (!NT_STATUS_IS_OK(status)) {
@@ -3174,6 +3185,7 @@ NTSTATUS cli_rpc_pipe_open_spnego_ntlmssp(struct cli_state *cli,
 {
        struct rpc_pipe_client *result;
        struct pipe_auth_data *auth;
+       struct spnego_context *spnego_ctx;
        NTSTATUS status;
 
        status = cli_rpc_pipe_open(cli, transport, interface, &result);
@@ -3207,14 +3219,20 @@ NTSTATUS cli_rpc_pipe_open_spnego_ntlmssp(struct cli_state *cli,
                goto err_out;
        }
 
-       status = spnego_ntlmssp_init_client(auth, auth->auth_level,
+       status = spnego_ntlmssp_init_client(auth,
+                                           (auth->auth_level ==
+                                               DCERPC_AUTH_LEVEL_INTEGRITY),
+                                           (auth->auth_level ==
+                                               DCERPC_AUTH_LEVEL_PRIVACY),
+                                           true,
                                            domain, username, password,
-                                           &auth->a_u.spnego_state);
+                                           &spnego_ctx);
        if (!NT_STATUS_IS_OK(status)) {
                DEBUG(0, ("spnego_init_client returned %s\n",
                          nt_errstr(status)));
                goto err_out;
        }
+       auth->auth_ctx = spnego_ctx;
 
        status = rpc_pipe_bind(result, auth);
        if (!NT_STATUS_IS_OK(status)) {
@@ -3235,7 +3253,11 @@ NTSTATUS cli_get_session_key(TALLOC_CTX *mem_ctx,
                             struct rpc_pipe_client *cli,
                             DATA_BLOB *session_key)
 {
-       struct pipe_auth_data *a = cli->auth;
+       struct pipe_auth_data *a;
+       struct schannel_state *schannel_auth;
+       struct auth_ntlmssp_state *ntlmssp_ctx;
+       struct spnego_context *spnego_ctx;
+       struct gse_context *gse_ctx;
        DATA_BLOB sk = data_blob_null;
        bool make_dup = false;
 
@@ -3243,28 +3265,38 @@ NTSTATUS cli_get_session_key(TALLOC_CTX *mem_ctx,
                return NT_STATUS_INVALID_PARAMETER;
        }
 
-       if (!cli->auth) {
+       a = cli->auth;
+
+       if (a == NULL) {
                return NT_STATUS_INVALID_PARAMETER;
        }
 
        switch (cli->auth->auth_type) {
        case DCERPC_AUTH_TYPE_SCHANNEL:
-               sk = data_blob_const(a->a_u.schannel_auth->creds->session_key,
-                                    16);
+               schannel_auth = talloc_get_type_abort(a->auth_ctx,
+                                                     struct schannel_state);
+               sk = data_blob_const(schannel_auth->creds->session_key, 16);
                make_dup = true;
                break;
        case DCERPC_AUTH_TYPE_SPNEGO:
-               sk = spnego_get_session_key(mem_ctx, a->a_u.spnego_state);
+               spnego_ctx = talloc_get_type_abort(a->auth_ctx,
+                                                  struct spnego_context);
+               sk = spnego_get_session_key(mem_ctx, spnego_ctx);
                make_dup = false;
                break;
        case DCERPC_AUTH_TYPE_NTLMSSP:
-               sk = auth_ntlmssp_get_session_key(a->a_u.auth_ntlmssp_state);
+               ntlmssp_ctx = talloc_get_type_abort(a->auth_ctx,
+                                                   struct auth_ntlmssp_state);
+               sk = auth_ntlmssp_get_session_key(ntlmssp_ctx);
                make_dup = true;
                break;
        case DCERPC_AUTH_TYPE_KRB5:
-               sk = gse_get_session_key(mem_ctx, a->a_u.gssapi_state);
+               gse_ctx = talloc_get_type_abort(a->auth_ctx,
+                                               struct gse_context);
+               sk = gse_get_session_key(mem_ctx, gse_ctx);
                make_dup = false;
                break;
+       case DCERPC_AUTH_TYPE_NCALRPC_AS_SYSTEM:
        case DCERPC_AUTH_TYPE_NONE:
                sk = data_blob_const(a->user_session_key.data,
                                     a->user_session_key.length);