struct dcerpc_binding_handle *h;
const struct ndr_interface_call *call;
struct dcerpc_binding_handle_call_params *params;
+ uint32_t in_flags;
struct ndr_push *push;
DATA_BLOB request;
+ struct tevent_req *subreq;
DATA_BLOB response;
struct ndr_pull *pull;
+
+ struct dcerpc_pipe_handle *ph;
+ struct dcerpc_pipe_handle_connection *pc;
+ const struct ndr_interface_call_pipe *call_pipe;
+ uint32_t in_pipe_idx;
+ uint32_t out_pipe_idx;
};
+static void dcerpc_binding_handle_call_params_in_done(struct tevent_req *subreq);
+static void dcerpc_binding_handle_call_params_next_pipe(struct tevent_req *req);
static void dcerpc_binding_handle_call_params_done(struct tevent_req *subreq);
+static void dcerpc_binding_handle_call_params_pipe_setup(struct tevent_req *call_req);
+static void dcerpc_binding_handle_call_params_pipe_notify(struct dcerpc_pipe_handle *p);
struct tevent_req *dcerpc_binding_handle_call_params_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
{
struct tevent_req *req;
struct dcerpc_binding_handle_call_params_state *state;
- struct tevent_req *subreq;
enum ndr_err_code ndr_err;
req = tevent_req_create(mem_ctx, &state,
return tevent_req_post(req, ev);
}
- if (params->in.num_pipes != 0) {
- tevent_req_nterror(req, NT_STATUS_RPC_CANNOT_SUPPORT);
- return tevent_req_post(req, ev);
- }
-
- if (params->out.num_pipes != 0) {
- tevent_req_nterror(req, NT_STATUS_RPC_CANNOT_SUPPORT);
- return tevent_req_post(req, ev);
- }
-
/* setup for a ndr_push_* call */
state->push = ndr_push_init_ctx(state);
if (tevent_req_nomem(state->push, req)) {
if (h->ops->push_bigendian && h->ops->push_bigendian(h)) {
state->push->flags |= LIBNDR_FLAG_BIGENDIAN;
+ state->in_flags |= LIBNDR_FLAG_BIGENDIAN;
}
if (h->ops->use_ndr64 && h->ops->use_ndr64(h)) {
}
}
- subreq = dcerpc_binding_handle_raw_call_send(state, ev,
- h, object, opnum,
- state->push->flags,
- state->request.data,
- state->request.length);
- if (tevent_req_nomem(subreq, req)) {
+ if (params->in.num_pipes != 0) {
+ state->in_flags |= LIBNDR_FLAG_INCOMPLETE_BUFFER;
+
+ /*
+ * push alignment for the next pipe chunk
+ */
+ ndr_err = ndr_push_align(state->push, 5);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ NTSTATUS error;
+ error = ndr_map_error2ntstatus(ndr_err);
+ tevent_req_nterror(req, error);
+ return tevent_req_post(req, ev);
+ }
+ }
+
+ if (params->out.num_pipes != 0) {
+ /*
+ * even if we only have output pipes we need to indicate that
+ * we want to get incomplete results
+ */
+ state->in_flags |= LIBNDR_FLAG_INCOMPLETE_BUFFER;
+ }
+
+ if (state->in_flags & LIBNDR_FLAG_INCOMPLETE_BUFFER) {
+ dcerpc_binding_handle_call_params_pipe_setup(req);
+ if (!tevent_req_is_in_progress(state->subreq)) {
+ return tevent_req_post(req, ev);
+ }
+ }
+
+ /* retrieve the blob - including possible pipe chunk alignment */
+ state->request = ndr_push_blob(state->push);
+
+ state->subreq = dcerpc_binding_handle_raw_call_send(state, ev,
+ h, object, opnum,
+ state->in_flags,
+ state->request.data,
+ state->request.length);
+ if (tevent_req_nomem(state->subreq, req)) {
+ return tevent_req_post(req, ev);
+ }
+ tevent_req_set_callback(state->subreq,
+ dcerpc_binding_handle_call_params_done,
+ req);
+
+ if (!(state->in_flags & LIBNDR_FLAG_INCOMPLETE_BUFFER)) {
+ /*
+ * we didn't ask for any pipes
+ *
+ * Indicate that all pipes are done.
+ */
+ state->in_pipe_idx = UINT32_MAX;
+ state->out_pipe_idx = UINT32_MAX;
+ return req;
+ }
+
+ /*
+ * If the subreq is already finished, the backend
+ * may not support LIBNDR_FLAG_INCOMPLETE_BUFFER
+ */
+ if (!tevent_req_is_in_progress(state->subreq)) {
+ return req;
+ }
+
+ if (state->params->in.num_pipes == 0) {
+ struct tevent_req *subreq;
+
+ /*
+ * We have only out pipes,
+ * so indicate that we're done with sending in_data.
+ */
+ state->in_pipe_idx = UINT32_MAX;
+ state->in_flags &= ~LIBNDR_FLAG_INCOMPLETE_BUFFER;
+ subreq = dcerpc_binding_handle_raw_call_in_send(state, ev,
+ state->subreq,
+ state->in_flags,
+ NULL, /* in_data */
+ 0); /* in_length */
+ if (tevent_req_nomem(subreq, req)) {
+ return tevent_req_post(req, ev);
+ }
+ tevent_req_set_callback(subreq,
+ dcerpc_binding_handle_call_params_in_done,
+ req);
+ return req;
+ }
+
+ dcerpc_binding_handle_call_params_next_pipe(req);
+ if (!tevent_req_is_in_progress(req)) {
return tevent_req_post(req, ev);
}
- tevent_req_set_callback(subreq, dcerpc_binding_handle_call_params_done, req);
return req;
}
+static void dcerpc_binding_handle_call_params_in_done(struct tevent_req *subreq)
+{
+ struct tevent_req *req = tevent_req_callback_data(subreq,
+ struct tevent_req);
+ NTSTATUS error;
+
+ error = dcerpc_binding_handle_raw_call_in_recv(subreq);
+ TALLOC_FREE(subreq);
+ if (tevent_req_nterror(req, error)) {
+ return;
+ }
+
+ dcerpc_binding_handle_call_params_next_pipe(req);
+}
+
+static void dcerpc_binding_handle_call_params_next_pipe(struct tevent_req *req)
+{
+ struct dcerpc_binding_handle_call_params_state *state =
+ tevent_req_data(req,
+ struct dcerpc_binding_handle_call_params_state);
+ struct dcerpc_binding_handle_call_params *params = state->params;
+ bool ok;
+
+ dcerpc_pipe_handle_connection_disconnect(state->pc);
+ state->pc = NULL;
+ state->call_pipe = NULL;
+
+ if (state->in_pipe_idx < params->in.num_pipes) {
+ uint32_t idx = state->in_pipe_idx++;
+
+ state->pc = params->in.pipes[idx];
+ state->call_pipe = &state->call->in_pipes.pipes[idx];
+
+ ok = dcerpc_pipe_handle_connection_push_connect(state->pc,
+ state->call_pipe->chunk_struct_name,
+ state->call_pipe->chunk_struct_size,
+ state->ph);
+ if (!ok) {
+ tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER_MIX);
+ return;
+ }
+
+ return;
+ }
+ state->in_pipe_idx = UINT32_MAX;
+
+ if (state->out_pipe_idx < params->out.num_pipes) {
+ uint32_t idx = state->out_pipe_idx++;
+
+ state->pc = params->out.pipes[idx];
+ state->call_pipe = &state->call->out_pipes.pipes[idx];
+
+ ok = dcerpc_pipe_handle_connection_pull_connect(state->pc,
+ state->call_pipe->chunk_struct_name,
+ state->call_pipe->chunk_struct_size,
+ state->ph);
+ if (!ok) {
+ tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER_MIX);
+ return;
+ }
+
+ return;
+ }
+ state->out_pipe_idx = UINT32_MAX;
+}
+
static void dcerpc_binding_handle_call_params_done(struct tevent_req *subreq)
{
struct tevent_req *req = tevent_req_callback_data(subreq,
&state->response.data,
&state->response.length,
&out_flags);
- TALLOC_FREE(subreq);
- if (tevent_req_nterror(req, error)) {
+ subreq = NULL;
+ if (!NT_STATUS_IS_OK(error)) {
+ TALLOC_FREE(state->subreq);
+ tevent_req_nterror(req, error);
return;
}
- state->pull = ndr_pull_init_blob(&state->response, state);
- if (tevent_req_nomem(state->pull, req)) {
+ if (!(out_flags & LIBNDR_FLAG_INCOMPLETE_BUFFER)) {
+ TALLOC_FREE(state->subreq);
+ }
+
+ if (state->in_pipe_idx != UINT32_MAX) {
+ /*
+ * we haven't send all data yet,
+ * this is a protocol error
+ */
+ tevent_req_nterror(req, NT_STATUS_RPC_PROTOCOL_ERROR);
return;
}
- state->pull->flags = state->push->flags;
- if (out_flags & LIBNDR_FLAG_BIGENDIAN) {
- state->pull->flags |= LIBNDR_FLAG_BIGENDIAN;
+ if (state->pull == NULL) {
+ state->pull = ndr_pull_init_blob(&state->response, state);
+ if (tevent_req_nomem(state->pull, req)) {
+ return;
+ }
+ state->pull->flags = state->push->flags;
+
+ if (out_flags & LIBNDR_FLAG_BIGENDIAN) {
+ state->pull->flags |= LIBNDR_FLAG_BIGENDIAN;
+ } else {
+ state->pull->flags &= ~LIBNDR_FLAG_BIGENDIAN;
+ }
+
+ if (out_flags & LIBNDR_FLAG_INCOMPLETE_BUFFER) {
+ state->pull->flags |= LIBNDR_FLAG_INCOMPLETE_BUFFER;
+ }
} else {
- state->pull->flags &= ~LIBNDR_FLAG_BIGENDIAN;
+ if (!(out_flags & LIBNDR_FLAG_INCOMPLETE_BUFFER)) {
+ state->pull->flags &= ~LIBNDR_FLAG_INCOMPLETE_BUFFER;
+ }
+
+ //ndr_err = ndr_pull_append_blob(state->pull,
+ // &state->response);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ error = ndr_map_error2ntstatus(ndr_err);
+ if (h->ops->ndr_pull_failed) {
+ h->ops->ndr_pull_failed(h, error,
+ &state->response,
+ state->call);
+ }
+ tevent_req_nterror(req, error);
+ return;
+ }
+ }
+
+ if (state->out_pipe_idx != UINT32_MAX) {
+ dcerpc_binding_handle_call_params_pipe_notify(state->ph);
+ return;
}
state->pull->current_mem_ctx = state->params->r_mem;
return tevent_req_simple_recv_ntstatus(req);
}
+struct dcerpc_binding_handle_call_params_pipe {
+ struct tevent_req *call_req;
+ struct tevent_req *pull_req;
+};
+
+struct dcerpc_binding_handle_call_params_push_state {
+ struct tevent_context *ev;
+ struct dcerpc_pipe_handle *p;
+ struct ndr_push *push;
+ DATA_BLOB chunk_blob;
+ bool is_last_chunk;
+};
+
+static int dcerpc_binding_handle_call_params_push_state_destructor(
+ struct dcerpc_binding_handle_call_params_push_state *state)
+{
+ struct dcerpc_binding_handle_call_params_pipe *pp =
+ dcerpc_pipe_handle_data(state->p,
+ struct dcerpc_binding_handle_call_params_pipe);
+ struct dcerpc_binding_handle_call_params_state *call_state =
+ tevent_req_data(pp->call_req,
+ struct dcerpc_binding_handle_call_params_state);
+
+ dcerpc_pipe_handle_connection_disconnect(call_state->pc);
+ call_state->pc = NULL;
+ call_state->call_pipe = NULL;
+ return 0;
+}
+
+static void dcerpc_binding_handle_call_params_push_done(struct tevent_req *subreq);
+
+static struct tevent_req *dcerpc_binding_handle_call_params_push_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct dcerpc_pipe_handle *p,
+ const void *chunk_ptr)
+{
+ struct dcerpc_binding_handle_call_params_pipe *pp =
+ dcerpc_pipe_handle_data(p,
+ struct dcerpc_binding_handle_call_params_pipe);
+ struct dcerpc_binding_handle_call_params_state *call_state =
+ tevent_req_data(pp->call_req,
+ struct dcerpc_binding_handle_call_params_state);
+ struct tevent_req *req;
+ struct dcerpc_binding_handle_call_params_push_state *state;
+ struct tevent_req *subreq;
+ enum ndr_err_code ndr_err;
+ const uint32_t *count = NULL;
+ bool is_last_pipe = false;
+
+ req = tevent_req_create(mem_ctx, &state,
+ struct dcerpc_binding_handle_call_params_push_state);
+ if (req == NULL) {
+ return NULL;
+ }
+ state->ev = ev;
+ state->p = p;
+
+ talloc_set_destructor(state,
+ dcerpc_binding_handle_call_params_push_state_destructor);
+
+ /* setup for a ndr_push_* call */
+ state->push = ndr_push_init_ctx(state);
+ if (tevent_req_nomem(state->push, req)) {
+ return tevent_req_post(req, ev);
+ }
+
+ state->push->flags = call_state->push->flags;
+
+ //if (h->ops->do_ndr_print) {
+ // h->ops->do_ndr_print(h, NDR_IN | NDR_SET_VALUES,
+ // state->params->r_ptr, state->call);
+ //}
+
+ /* push the structure into a blob */
+ ndr_err = call_state->call_pipe->ndr_push(state->push,
+ NDR_SCALARS|NDR_BUFFERS,
+ chunk_ptr);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ NTSTATUS error;
+ error = ndr_map_error2ntstatus(ndr_err);
+ //if (h->ops->ndr_push_failed) {
+ // h->ops->ndr_push_failed(h, error,
+ // state->params->r_ptr,
+ // state->call);
+ //}
+ tevent_req_nterror(req, error);
+ return tevent_req_post(req, ev);
+ }
+
+ /*
+ * Note: the first struct member is always
+ * 'uint32_t count;'
+ */
+ count = (const uint32_t *)chunk_ptr;
+
+ state->is_last_chunk = false;
+ if (*count == 0) {
+ state->is_last_chunk = true;
+ }
+
+ if (call_state->in_pipe_idx >= call_state->params->in.num_pipes) {
+ is_last_pipe = true;
+ }
+
+ if (is_last_pipe && state->is_last_chunk) {
+ call_state->in_flags &= ~LIBNDR_FLAG_INCOMPLETE_BUFFER;
+ } else {
+ /*
+ * push alignment for the next pipe chunk
+ */
+ ndr_err = ndr_push_align(state->push, 5);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ NTSTATUS error;
+ error = ndr_map_error2ntstatus(ndr_err);
+ tevent_req_nterror(req, error);
+ return tevent_req_post(req, ev);
+ }
+ }
+
+ /* retrieve the blob - including possible alignment for the next chunk */
+ state->chunk_blob = ndr_push_blob(state->push);
+
+ subreq = dcerpc_binding_handle_raw_call_in_send(state, ev,
+ call_state->subreq,
+ call_state->in_flags,
+ state->chunk_blob.data,
+ state->chunk_blob.length);
+ if (tevent_req_nomem(subreq, req)) {
+ return tevent_req_post(req, ev);
+ }
+ tevent_req_set_callback(subreq,
+ dcerpc_binding_handle_call_params_push_done,
+ req);
+
+ return req;
+}
+
+static void dcerpc_binding_handle_call_params_push_done(struct tevent_req *subreq)
+{
+ struct tevent_req *req =
+ tevent_req_callback_data(subreq,
+ struct tevent_req);
+ struct dcerpc_binding_handle_call_params_push_state *state =
+ tevent_req_data(req,
+ struct dcerpc_binding_handle_call_params_push_state);
+ struct dcerpc_binding_handle_call_params_pipe *pp =
+ dcerpc_pipe_handle_data(state->p,
+ struct dcerpc_binding_handle_call_params_pipe);
+ NTSTATUS status;
+
+ status = dcerpc_binding_handle_raw_call_in_recv(subreq);
+ TALLOC_FREE(subreq);
+ TALLOC_FREE(state->push);
+ if (tevent_req_nterror(req, status)) {
+ return;
+ }
+
+ talloc_set_destructor(state, NULL);
+
+ if (!state->is_last_chunk) {
+ tevent_req_done(req);
+ return;
+ }
+
+ tevent_req_defer_callback(req, state->ev);
+ tevent_req_done(req);
+ dcerpc_binding_handle_call_params_next_pipe(pp->call_req);
+}
+
+static NTSTATUS dcerpc_binding_handle_call_params_push_recv(struct tevent_req *req)
+{
+ return tevent_req_simple_recv_ntstatus(req);
+}
+
+struct dcerpc_binding_handle_call_params_pull_state {
+ struct tevent_context *ev;
+ struct dcerpc_pipe_handle *p;
+ void *chunk_mem;
+ void *chunk_ptr;
+};
+
+static int dcerpc_binding_handle_call_params_pull_state_destructor(
+ struct dcerpc_binding_handle_call_params_pull_state *state)
+{
+ struct dcerpc_binding_handle_call_params_pipe *pp =
+ dcerpc_pipe_handle_data(state->p,
+ struct dcerpc_binding_handle_call_params_pipe);
+ struct dcerpc_binding_handle_call_params_state *call_state =
+ tevent_req_data(pp->call_req,
+ struct dcerpc_binding_handle_call_params_state);
+
+ pp->pull_req = NULL;
+
+ dcerpc_pipe_handle_connection_disconnect(call_state->pc);
+ call_state->pc = NULL;
+ call_state->call_pipe = NULL;
+ return 0;
+}
+
+static void dcerpc_binding_handle_call_params_pull_notify(struct tevent_req *req);
+
+static struct tevent_req *dcerpc_binding_handle_call_params_pull_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct dcerpc_pipe_handle *p,
+ void *chunk_mem,
+ void *chunk_ptr)
+{
+ struct dcerpc_binding_handle_call_params_pipe *pp =
+ dcerpc_pipe_handle_data(p,
+ struct dcerpc_binding_handle_call_params_pipe);
+ struct tevent_req *req;
+ struct dcerpc_binding_handle_call_params_pull_state *state;
+
+ req = tevent_req_create(mem_ctx, &state,
+ struct dcerpc_binding_handle_call_params_pull_state);
+ if (req == NULL) {
+ return NULL;
+ }
+ state->ev = ev;
+ state->p = p;
+ state->chunk_mem = chunk_mem;
+ state->chunk_ptr = chunk_ptr;
+
+ dcerpc_binding_handle_call_params_pull_notify(req);
+ if (!tevent_req_is_in_progress(req)) {
+ return tevent_req_post(req, ev);
+ }
+
+ talloc_set_destructor(state,
+ dcerpc_binding_handle_call_params_pull_state_destructor);
+ pp->pull_req = req;
+
+ return req;
+}
+
+static void dcerpc_binding_handle_call_params_pull_notify(struct tevent_req *req)
+{
+ struct dcerpc_binding_handle_call_params_pull_state *state =
+ tevent_req_data(req,
+ struct dcerpc_binding_handle_call_params_pull_state);
+ struct dcerpc_binding_handle_call_params_pipe *pp =
+ dcerpc_pipe_handle_data(state->p,
+ struct dcerpc_binding_handle_call_params_pipe);
+ struct dcerpc_binding_handle_call_params_state *call_state =
+ tevent_req_data(pp->call_req,
+ struct dcerpc_binding_handle_call_params_state);
+ enum ndr_err_code ndr_err;
+ const uint32_t *count = NULL;
+
+ if (call_state->pull == NULL) {
+ return;
+ }
+
+ if (call_state->pull->data_size == 0) {
+ return;
+ }
+
+ call_state->pull->current_mem_ctx = state->chunk_mem;
+
+ /* pull the structure from the blob */
+ ndr_err = call_state->call_pipe->ndr_pull(call_state->pull,
+ NDR_SCALARS|NDR_BUFFERS,
+ state->chunk_ptr);
+ if (ndr_err == NDR_ERR_INCOMPLETE_BUFFER) {
+ return;
+ }
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ NTSTATUS error;
+ error = ndr_map_error2ntstatus(ndr_err);
+ //if (h->ops->ndr_pull_failed) {
+ // h->ops->ndr_pull_failed(h, error,
+ // &state->response,
+ // state->call);
+ //}
+ tevent_req_nterror(req, error);
+ return;
+ }
+
+ //if (h->ops->do_ndr_print) {
+ // h->ops->do_ndr_print(h, NDR_OUT,
+ // state->params->r_ptr, state->call);
+ //}
+
+ //if (h->ops->ndr_validate_out) {
+ // error = h->ops->ndr_validate_out(h,
+ // state->pull,
+ // state->params->r_ptr,
+ // state->call);
+ // if (!NT_STATUS_IS_OK(error)) {
+ // tevent_req_nterror(req, error);
+ // return;
+ // }
+ //}
+
+ //ndr_err = ndr_pull_pop(call_state->pull);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ NTSTATUS error;
+ error = ndr_map_error2ntstatus(ndr_err);
+ tevent_req_nterror(req, error);
+ return;
+ }
+
+ pp->pull_req = NULL;
+ talloc_set_destructor(state, NULL);
+
+ /*
+ * Note: the first struct member is always
+ * 'uint32_t count;'
+ */
+ count = (const uint32_t *)state->chunk_ptr;
+
+ if (*count != 0) {
+ tevent_req_done(req);
+ return;
+ }
+
+ tevent_req_defer_callback(req, state->ev);
+ tevent_req_done(req);
+ dcerpc_binding_handle_call_params_next_pipe(pp->call_req);
+
+}
+
+static NTSTATUS dcerpc_binding_handle_call_params_pull_recv(struct tevent_req *req)
+{
+ return tevent_req_simple_recv_ntstatus(req);
+}
+
+static struct dcerpc_pipe_handle_ops dcerpc_binding_handle_call_params_pipe_ops = {
+ .name = "dcerpc_binding_handle_call_params_pipe",
+
+ .chunk_push_send = dcerpc_binding_handle_call_params_push_send,
+ .chunk_push_recv = dcerpc_binding_handle_call_params_push_recv,
+
+ .chunk_pull_send = dcerpc_binding_handle_call_params_pull_send,
+ .chunk_pull_recv = dcerpc_binding_handle_call_params_pull_recv,
+};
+
+static void dcerpc_binding_handle_call_params_pipe_setup(struct tevent_req *call_req)
+{
+ struct dcerpc_binding_handle_call_params_state *call_state =
+ tevent_req_data(call_req,
+ struct dcerpc_binding_handle_call_params_state);
+ struct dcerpc_binding_handle_call_params_pipe *pp;
+
+ call_state->ph = dcerpc_pipe_handle_create(call_state,
+ &dcerpc_binding_handle_call_params_pipe_ops,
+ &pp,
+ struct dcerpc_binding_handle_call_params_pipe);
+ if (tevent_req_nomem(call_state->ph, call_req)) {
+ return;
+ }
+
+ pp->call_req = call_req;
+};
+
+static void dcerpc_binding_handle_call_params_pipe_notify(struct dcerpc_pipe_handle *p)
+{
+ struct dcerpc_binding_handle_call_params_pipe *pp =
+ dcerpc_pipe_handle_data(p,
+ struct dcerpc_binding_handle_call_params_pipe);
+
+ if (pp->pull_req == NULL) {
+ return;
+ }
+
+ dcerpc_binding_handle_call_params_pull_notify(pp->pull_req);
+}
+
struct dcerpc_binding_handle_call_state {
struct dcerpc_binding_handle_call_params params;
};
git.samba.org / metze / samba / wip.git / commitdiff