libndr interface
Copyright (C) Jelmer Vernooij 2006
+ Copyright (C) Volker Lendecke 2009
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
#include "includes.h"
+struct cli_do_rpc_ndr_state {
+ const struct ndr_interface_call *call;
+ prs_struct q_ps, r_ps;
+ void *r;
+};
-NTSTATUS cli_do_rpc_ndr(struct rpc_pipe_client *cli,
- TALLOC_CTX *mem_ctx,
- const struct ndr_interface_table *table,
- uint32 opnum, void *r)
+static void cli_do_rpc_ndr_done(struct tevent_req *subreq);
+
+struct tevent_req *cli_do_rpc_ndr_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct rpc_pipe_client *cli,
+ const struct ndr_interface_table *table,
+ uint32_t opnum,
+ void *r)
{
- prs_struct q_ps, r_ps;
- const struct ndr_interface_call *call;
- struct ndr_pull *pull;
- DATA_BLOB blob;
+ struct tevent_req *req, *subreq;
+ struct cli_do_rpc_ndr_state *state;
struct ndr_push *push;
- NTSTATUS status;
+ DATA_BLOB blob;
enum ndr_err_code ndr_err;
+ bool ret;
- SMB_ASSERT(ndr_syntax_id_equal(&table->syntax_id,
- &cli->abstract_syntax));
- SMB_ASSERT(table->num_calls > opnum);
+ req = tevent_req_create(mem_ctx, &state,
+ struct cli_do_rpc_ndr_state);
+ if (req == NULL) {
+ return NULL;
+ }
- call = &table->calls[opnum];
+ if (!ndr_syntax_id_equal(&table->syntax_id, &cli->abstract_syntax)
+ || (opnum >= table->num_calls)) {
+ tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
+ return tevent_req_post(req, ev);
+ }
- push = ndr_push_init_ctx(mem_ctx, NULL);
- if (!push) {
- return NT_STATUS_NO_MEMORY;
+ state->r = r;
+ state->call = &table->calls[opnum];
+
+ if (DEBUGLEVEL >= 10) {
+ ndr_print_function_debug(state->call->ndr_print,
+ state->call->name, NDR_IN, r);
}
- ndr_err = call->ndr_push(push, NDR_IN, r);
+ push = ndr_push_init_ctx(talloc_tos());
+ if (tevent_req_nomem(push, req)) {
+ return tevent_req_post(req, ev);
+ }
+
+ ndr_err = state->call->ndr_push(push, NDR_IN, r);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
- return ndr_map_error2ntstatus(ndr_err);
+ tevent_req_nterror(req, ndr_map_error2ntstatus(ndr_err));
+ TALLOC_FREE(push);
+ return tevent_req_post(req, ev);
}
blob = ndr_push_blob(push);
+ ret = prs_init_data_blob(&state->q_ps, &blob, state);
+ TALLOC_FREE(push);
- if (!prs_init_data_blob(&q_ps, &blob, mem_ctx)) {
- return NT_STATUS_NO_MEMORY;
+ if (!ret) {
+ tevent_req_nterror(req, NT_STATUS_NO_MEMORY);
+ return tevent_req_post(req, ev);
}
- talloc_free(push);
+ subreq = rpc_api_pipe_req_send(state, ev, cli, opnum, &state->q_ps);
+ if (tevent_req_nomem(subreq, req)) {
+ return tevent_req_post(req, ev);
+ }
+ tevent_req_set_callback(subreq, cli_do_rpc_ndr_done, req);
+ return req;
+}
- prs_init_empty( &r_ps, mem_ctx, UNMARSHALL );
+static void cli_do_rpc_ndr_done(struct tevent_req *subreq)
+{
+ struct tevent_req *req = tevent_req_callback_data(
+ subreq, struct tevent_req);
+ struct cli_do_rpc_ndr_state *state = tevent_req_data(
+ req, struct cli_do_rpc_ndr_state);
+ NTSTATUS status;
- status = rpc_api_pipe_req(cli, opnum, &q_ps, &r_ps);
+ status = rpc_api_pipe_req_recv(subreq, state, &state->r_ps);
+ TALLOC_FREE(subreq);
+ if (!NT_STATUS_IS_OK(status)) {
+ tevent_req_nterror(req, status);
+ return;
+ }
+ tevent_req_done(req);
+}
- prs_mem_free( &q_ps );
+NTSTATUS cli_do_rpc_ndr_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx)
+{
+ struct cli_do_rpc_ndr_state *state = tevent_req_data(
+ req, struct cli_do_rpc_ndr_state);
+ struct ndr_pull *pull;
+ enum ndr_err_code ndr_err;
+ NTSTATUS status;
+ DATA_BLOB blob;
+ bool ret;
- if (!NT_STATUS_IS_OK(status)) {
- prs_mem_free( &r_ps );
+ if (tevent_req_is_nterror(req, &status)) {
return status;
}
- if (!prs_data_blob(&r_ps, &blob, mem_ctx)) {
- prs_mem_free( &r_ps );
+ ret = prs_data_blob(&state->r_ps, &blob, talloc_tos());
+ if (!ret) {
return NT_STATUS_NO_MEMORY;
}
- prs_mem_free( &r_ps );
-
- pull = ndr_pull_init_blob(&blob, mem_ctx, NULL);
+ pull = ndr_pull_init_blob(&blob, mem_ctx);
if (pull == NULL) {
return NT_STATUS_NO_MEMORY;
}
/* have the ndr parser alloc memory for us */
pull->flags |= LIBNDR_FLAG_REF_ALLOC;
- ndr_err = call->ndr_pull(pull, NDR_OUT, r);
- talloc_free(pull);
-
- if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ ndr_err = state->call->ndr_pull(pull, NDR_OUT, state->r);
+ TALLOC_FREE(pull);
+
+ if (NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ if (DEBUGLEVEL >= 10) {
+ ndr_print_function_debug(state->call->ndr_print,
+ state->call->name, NDR_OUT,
+ state->r);
+ }
+ } else {
return ndr_map_error2ntstatus(ndr_err);
}
return NT_STATUS_OK;
}
+
+NTSTATUS cli_do_rpc_ndr(struct rpc_pipe_client *cli,
+ TALLOC_CTX *mem_ctx,
+ const struct ndr_interface_table *table,
+ uint32_t opnum, void *r)
+{
+ TALLOC_CTX *frame = talloc_stackframe();
+ struct event_context *ev;
+ struct tevent_req *req;
+ NTSTATUS status = NT_STATUS_OK;
+
+ ev = event_context_init(frame);
+ if (ev == NULL) {
+ status = NT_STATUS_NO_MEMORY;
+ goto fail;
+ }
+
+ req = cli_do_rpc_ndr_send(frame, ev, cli, table, opnum, r);
+ if (req == NULL) {
+ status = NT_STATUS_NO_MEMORY;
+ goto fail;
+ }
+
+ if (!tevent_req_poll(req, ev)) {
+ status = map_nt_error_from_unix(errno);
+ goto fail;
+ }
+
+ status = cli_do_rpc_ndr_recv(req, mem_ctx);
+
+ fail:
+ TALLOC_FREE(frame);
+ return status;
+}
git.samba.org / samba.git / blobdiff