Move winbindd/winbindd_reqtrans.c to lib/wb_reqtrans.c

1 files changed, 0 insertions, 685 deletions

diff --git a/source3/winbindd/winbindd_reqtrans.c b/source3/winbindd/winbindd_reqtrans.c
deleted file mode 100644
index 6c4f0f2c75..0000000000
--- a/source3/winbindd/winbindd_reqtrans.c
+++ /dev/null
@@ -1,685 +0,0 @@
-/*
-   Unix SMB/CIFS implementation.
-
-   Async transfer of winbindd_request and _response structs
-
-   Copyright (C) Volker Lendecke 2008
-
-   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 3 of the License, or
-   (at your option) any later version.
-
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-
-   You should have received a copy of the GNU General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#include "includes.h"
-#include "winbindd.h"
-
-#undef DBGC_CLASS
-#define DBGC_CLASS DBGC_WINBIND
-
-struct req_read_state {
-	struct winbindd_request *wb_req;
-	struct event_context *ev;
-	size_t max_extra_data;
-	int fd;
-};
-
-static void wb_req_read_len(struct async_req *subreq);
-static void wb_req_read_main(struct async_req *subreq);
-static void wb_req_read_extra(struct async_req *subreq);
-
-struct async_req *wb_req_read_send(TALLOC_CTX *mem_ctx,
-				   struct event_context *ev,
-				   int fd, size_t max_extra_data)
-{
-	struct async_req *result, *subreq;
-	struct req_read_state *state;
-
-	result = async_req_new(mem_ctx);
-	if (result == NULL) {
-		return NULL;
-	}
-
-	state = talloc(result, struct req_read_state);
-	if (state == NULL) {
-		goto nomem;
-	}
-	result->private_data = state;
-
-	state->fd = fd;
-	state->ev = ev;
-	state->max_extra_data = max_extra_data;
-	state->wb_req = talloc(state, struct winbindd_request);
-	if (state->wb_req == NULL) {
-		goto nomem;
-	}
-
-	subreq = recvall_send(state, ev, state->fd, &(state->wb_req->length),
-			      sizeof(state->wb_req->length), 0);
-	if (subreq == NULL) {
-		goto nomem;
-	}
-
-	subreq->async.fn = wb_req_read_len;
-	subreq->async.priv = result;
-	return result;
-
- nomem:
-	TALLOC_FREE(result);
-	return NULL;
-}
-
-static void wb_req_read_len(struct async_req *subreq)
-{
-	struct async_req *req = talloc_get_type_abort(
-		subreq->async.priv, struct async_req);
-	struct req_read_state *state = talloc_get_type_abort(
-		req->private_data, struct req_read_state);
-	NTSTATUS status;
-
-	status = recvall_recv(subreq);
-	TALLOC_FREE(subreq);
-	if (!NT_STATUS_IS_OK(status)) {
-		async_req_error(req, status);
-		return;
-	}
-
-	if (state->wb_req->length != sizeof(struct winbindd_request)) {
-		DEBUG(0, ("wb_req_read_len: Invalid request size received: "
-			  "%d (expected %d)\n", (int)state->wb_req->length,
-			  (int)sizeof(struct winbindd_request)));
-		async_req_error(req, NT_STATUS_INVALID_BUFFER_SIZE);
-		return;
-	}
-
-	subreq = recvall_send(
-		req, state->ev, state->fd, (uint32 *)(state->wb_req)+1,
-		sizeof(struct winbindd_request) - sizeof(uint32), 0);
-	if (async_req_nomem(subreq, req)) {
-		return;
-	}
-
-	subreq->async.fn = wb_req_read_main;
-	subreq->async.priv = req;
-}
-
-static void wb_req_read_main(struct async_req *subreq)
-{
-	struct async_req *req = talloc_get_type_abort(
-		subreq->async.priv, struct async_req);
-	struct req_read_state *state = talloc_get_type_abort(
-		req->private_data, struct req_read_state);
-	NTSTATUS status;
-
-	status = recvall_recv(subreq);
-	TALLOC_FREE(subreq);
-	if (!NT_STATUS_IS_OK(status)) {
-		async_req_error(req, status);
-		return;
-	}
-
-	if ((state->max_extra_data != 0)
-	    && (state->wb_req->extra_len > state->max_extra_data)) {
-		DEBUG(3, ("Got request with %d bytes extra data on "
-			  "unprivileged socket\n",
-			  (int)state->wb_req->extra_len));
-		async_req_error(req, NT_STATUS_INVALID_BUFFER_SIZE);
-		return;
-	}
-
-	if (state->wb_req->extra_len == 0) {
-		async_req_done(req);
-		return;
-	}
-
-	state->wb_req->extra_data.data = TALLOC_ARRAY(
-		state->wb_req, char, state->wb_req->extra_len + 1);
-	if (async_req_nomem(state->wb_req->extra_data.data, req)) {
-		return;
-	}
-
-	state->wb_req->extra_data.data[state->wb_req->extra_len] = 0;
-
-	subreq = recvall_send(
-		req, state->ev, state->fd, state->wb_req->extra_data.data,
-		state->wb_req->extra_len, 0);
-	if (async_req_nomem(subreq, req)) {
-		return;
-	}
-
-	subreq->async.fn = wb_req_read_extra;
-	subreq->async.priv = req;
-}
-
-static void wb_req_read_extra(struct async_req *subreq)
-{
-	struct async_req *req = talloc_get_type_abort(
-		subreq->async.priv, struct async_req);
-	NTSTATUS status;
-
-	status = recvall_recv(subreq);
-	TALLOC_FREE(subreq);
-	if (!NT_STATUS_IS_OK(status)) {
-		async_req_error(req, status);
-		return;
-	}
-	async_req_done(req);
-}
-
-
-NTSTATUS wb_req_read_recv(struct async_req *req, TALLOC_CTX *mem_ctx,
-			  struct winbindd_request **preq)
-{
-	struct req_read_state *state = talloc_get_type_abort(
-		req->private_data, struct req_read_state);
-	NTSTATUS status;
-
-	if (async_req_is_error(req, &status)) {
-		return status;
-	}
-	*preq = talloc_move(mem_ctx, &state->wb_req);
-	return NT_STATUS_OK;
-}
-
-struct req_write_state {
-	struct winbindd_request *wb_req;
-	struct event_context *ev;
-	int fd;
-};
-
-static void wb_req_write_main(struct async_req *subreq);
-static void wb_req_write_extra(struct async_req *subreq);
-
-struct async_req *wb_req_write_send(TALLOC_CTX *mem_ctx,
-				    struct event_context *ev, int fd,
-				    struct winbindd_request *wb_req)
-{
-	struct async_req *result, *subreq;
-	struct req_write_state *state;
-
-	result = async_req_new(mem_ctx);
-	if (result == NULL) {
-		return NULL;
-	}
-
-	state = talloc(result, struct req_write_state);
-	if (state == NULL) {
-		goto nomem;
-	}
-	result->private_data = state;
-
-	state->fd = fd;
-	state->ev = ev;
-	state->wb_req = wb_req;
-
-	subreq = sendall_send(state, state->ev, state->fd, state->wb_req,
-			      sizeof(struct winbindd_request), 0);
-	if (subreq == NULL) {
-		goto nomem;
-	}
-
-	subreq->async.fn = wb_req_write_main;
-	subreq->async.priv = result;
-	return result;
-
- nomem:
-	TALLOC_FREE(result);
-	return NULL;
-}
-
-static void wb_req_write_main(struct async_req *subreq)
-{
-	struct async_req *req = talloc_get_type_abort(
-		subreq->async.priv, struct async_req);
-	struct req_write_state *state = talloc_get_type_abort(
-		req->private_data, struct req_write_state);
-	NTSTATUS status;
-
-	status = sendall_recv(subreq);
-	TALLOC_FREE(subreq);
-	if (!NT_STATUS_IS_OK(status)) {
-		async_req_error(req, status);
-		return;
-	}
-
-	if (state->wb_req->extra_len == 0) {
-		async_req_done(req);
-		return;
-	}
-
-	subreq = sendall_send(state, state->ev, state->fd,
-			      state->wb_req->extra_data.data,
-			      state->wb_req->extra_len, 0);
-	if (async_req_nomem(subreq, req)) {
-		return;
-	}
-
-	subreq->async.fn = wb_req_write_extra;
-	subreq->async.priv = req;
-}
-
-static void wb_req_write_extra(struct async_req *subreq)
-{
-	struct async_req *req = talloc_get_type_abort(
-		subreq->async.priv, struct async_req);
-	NTSTATUS status;
-
-	status = sendall_recv(subreq);
-	TALLOC_FREE(subreq);
-	if (!NT_STATUS_IS_OK(status)) {
-		async_req_error(req, status);
-		return;
-	}
-
-	async_req_done(req);
-}
-
-NTSTATUS wb_req_write_recv(struct async_req *req)
-{
-	return async_req_simple_recv(req);
-}
-
-struct resp_read_state {
-	struct winbindd_response *wb_resp;
-	struct event_context *ev;
-	size_t max_extra_data;
-	int fd;
-};
-
-static void wb_resp_read_len(struct async_req *subreq);
-static void wb_resp_read_main(struct async_req *subreq);
-static void wb_resp_read_extra(struct async_req *subreq);
-
-struct async_req *wb_resp_read_send(TALLOC_CTX *mem_ctx,
-				    struct event_context *ev, int fd)
-{
-	struct async_req *result, *subreq;
-	struct resp_read_state *state;
-
-	result = async_req_new(mem_ctx);
-	if (result == NULL) {
-		return NULL;
-	}
-
-	state = talloc(result, struct resp_read_state);
-	if (state == NULL) {
-		goto nomem;
-	}
-	result->private_data = state;
-
-	state->fd = fd;
-	state->ev = ev;
-	state->wb_resp = talloc(state, struct winbindd_response);
-	if (state->wb_resp == NULL) {
-		goto nomem;
-	}
-
-	subreq = recvall_send(state, ev, state->fd, &(state->wb_resp->length),
-			      sizeof(state->wb_resp->length), 0);
-	if (subreq == NULL) {
-		goto nomem;
-	}
-
-	subreq->async.fn = wb_resp_read_len;
-	subreq->async.priv = result;
-	return result;
-
- nomem:
-	TALLOC_FREE(result);
-	return NULL;
-}
-
-static void wb_resp_read_len(struct async_req *subreq)
-{
-	struct async_req *req = talloc_get_type_abort(
-		subreq->async.priv, struct async_req);
-	struct resp_read_state *state = talloc_get_type_abort(
-		req->private_data, struct resp_read_state);
-	NTSTATUS status;
-
-	status = recvall_recv(subreq);
-	TALLOC_FREE(subreq);
-	if (!NT_STATUS_IS_OK(status)) {
-		async_req_error(req, status);
-		return;
-	}
-
-	if (state->wb_resp->length < sizeof(struct winbindd_response)) {
-		DEBUG(0, ("wb_resp_read_len: Invalid response size received: "
-			  "%d (expected at least%d)\n",
-			  (int)state->wb_resp->length,
-			  (int)sizeof(struct winbindd_response)));
-		async_req_error(req, NT_STATUS_INVALID_BUFFER_SIZE);
-		return;
-	}
-
-	subreq = recvall_send(
-		req, state->ev, state->fd, (uint32 *)(state->wb_resp)+1,
-		sizeof(struct winbindd_response) - sizeof(uint32), 0);
-	if (async_req_nomem(subreq, req)) {
-		return;
-	}
-
-	subreq->async.fn = wb_resp_read_main;
-	subreq->async.priv = req;
-}
-
-static void wb_resp_read_main(struct async_req *subreq)
-{
-	struct async_req *req = talloc_get_type_abort(
-		subreq->async.priv, struct async_req);
-	struct resp_read_state *state = talloc_get_type_abort(
-		req->private_data, struct resp_read_state);
-	NTSTATUS status;
-	size_t extra_len;
-
-	status = recvall_recv(subreq);
-	TALLOC_FREE(subreq);
-	if (!NT_STATUS_IS_OK(status)) {
-		async_req_error(req, status);
-		return;
-	}
-
-	extra_len = state->wb_resp->length - sizeof(struct winbindd_response);
-	if (extra_len == 0) {
-		async_req_done(req);
-		return;
-	}
-
-	state->wb_resp->extra_data.data = TALLOC_ARRAY(
-		state->wb_resp, char, extra_len+1);
-	if (async_req_nomem(state->wb_resp->extra_data.data, req)) {
-		return;
-	}
-	((char *)state->wb_resp->extra_data.data)[extra_len] = 0;
-
-	subreq = recvall_send(
-		req, state->ev, state->fd, state->wb_resp->extra_data.data,
-		extra_len, 0);
-	if (async_req_nomem(subreq, req)) {
-		return;
-	}
-
-	subreq->async.fn = wb_resp_read_extra;
-	subreq->async.priv = req;
-}
-
-static void wb_resp_read_extra(struct async_req *subreq)
-{
-	struct async_req *req = talloc_get_type_abort(
-		subreq->async.priv, struct async_req);
-	NTSTATUS status;
-
-	status = recvall_recv(subreq);
-	TALLOC_FREE(subreq);
-	if (!NT_STATUS_IS_OK(status)) {
-		async_req_error(req, status);
-		return;
-	}
-	async_req_done(req);
-}
-
-
-NTSTATUS wb_resp_read_recv(struct async_req *req, TALLOC_CTX *mem_ctx,
-			   struct winbindd_response **presp)
-{
-	struct resp_read_state *state = talloc_get_type_abort(
-		req->private_data, struct resp_read_state);
-	NTSTATUS status;
-
-	if (async_req_is_error(req, &status)) {
-		return status;
-	}
-	*presp = talloc_move(mem_ctx, &state->wb_resp);
-	return NT_STATUS_OK;
-}
-
-struct resp_write_state {
-	struct winbindd_response *wb_resp;
-	struct event_context *ev;
-	int fd;
-};
-
-static void wb_resp_write_main(struct async_req *subreq);
-static void wb_resp_write_extra(struct async_req *subreq);
-
-struct async_req *wb_resp_write_send(TALLOC_CTX *mem_ctx,
-				    struct event_context *ev, int fd,
-				    struct winbindd_response *wb_resp)
-{
-	struct async_req *result, *subreq;
-	struct resp_write_state *state;
-
-	result = async_req_new(mem_ctx);
-	if (result == NULL) {
-		return NULL;
-	}
-
-	state = talloc(result, struct resp_write_state);
-	if (state == NULL) {
-		goto nomem;
-	}
-	result->private_data = state;
-
-	state->fd = fd;
-	state->ev = ev;
-	state->wb_resp = wb_resp;
-
-	subreq = sendall_send(state, state->ev, state->fd, state->wb_resp,
-			      sizeof(struct winbindd_response), 0);
-	if (subreq == NULL) {
-		goto nomem;
-	}
-
-	subreq->async.fn = wb_resp_write_main;
-	subreq->async.priv = result;
-	return result;
-
- nomem:
-	TALLOC_FREE(result);
-	return NULL;
-}
-
-static void wb_resp_write_main(struct async_req *subreq)
-{
-	struct async_req *req = talloc_get_type_abort(
-		subreq->async.priv, struct async_req);
-	struct resp_write_state *state = talloc_get_type_abort(
-		req->private_data, struct resp_write_state);
-	NTSTATUS status;
-
-	status = sendall_recv(subreq);
-	TALLOC_FREE(subreq);
-	if (!NT_STATUS_IS_OK(status)) {
-		async_req_error(req, status);
-		return;
-	}
-
-	if (state->wb_resp->length == sizeof(struct winbindd_response)) {
-		async_req_done(req);
-		return;
-	}
-
-	subreq = sendall_send(
-		state, state->ev, state->fd,
-		state->wb_resp->extra_data.data,
-		state->wb_resp->length - sizeof(struct winbindd_response), 0);
-	if (async_req_nomem(subreq, req)) {
-		return;
-	}
-
-	subreq->async.fn = wb_resp_write_extra;
-	subreq->async.priv = req;
-}
-
-static void wb_resp_write_extra(struct async_req *subreq)
-{
-	struct async_req *req = talloc_get_type_abort(
-		subreq->async.priv, struct async_req);
-	NTSTATUS status;
-
-	status = sendall_recv(subreq);
-	TALLOC_FREE(subreq);
-	if (!NT_STATUS_IS_OK(status)) {
-		async_req_error(req, status);
-		return;
-	}
-
-	async_req_done(req);
-}
-
-NTSTATUS wb_resp_write_recv(struct async_req *req)
-{
-	return async_req_simple_recv(req);
-}
-
-struct wb_trans_state {
-	struct event_context *ev;
-	struct timed_event *te;
-	int fd;
-	struct winbindd_response *wb_resp;
-	size_t reply_max_extra_data;
-};
-
-static void wb_trans_timeout(struct event_context *ev, struct timed_event *te,
-			     const struct timeval *now, void *priv);
-static void wb_trans_sent(struct async_req *req);
-static void wb_trans_received(struct async_req *req);
-
-struct async_req *wb_trans_send(TALLOC_CTX *mem_ctx,
-				struct event_context *ev,
-				int fd,
-				struct winbindd_request *wb_req,
-				struct timeval timeout,
-				size_t reply_max_extra_data)
-{
-	struct async_req *result, *subreq;
-	struct wb_trans_state *state;
-
-	result = async_req_new(mem_ctx);
-	if (result == NULL) {
-		return NULL;
-	}
-
-	state = talloc(result, struct wb_trans_state);
-	if (state == NULL) {
-		goto nomem;
-	}
-	result->private_data = state;
-
-	state->ev = ev;
-	state->fd = fd;
-	state->reply_max_extra_data = reply_max_extra_data;
-
-	state->te = event_add_timed(
-		ev, state,
-		timeval_current_ofs(timeout.tv_sec, timeout.tv_usec),
-		"wb_trans_timeout", wb_trans_timeout, result);
-	if (state->te == NULL) {
-		goto nomem;
-	}
-
-	subreq = wb_req_write_send(state, state->ev, state->fd, wb_req);
-	if (subreq == NULL) {
-		goto nomem;
-	}
-	subreq->async.fn = wb_trans_sent;
-	subreq->async.priv = result;
-
-	return result;
-
- nomem:
-	TALLOC_FREE(result);
-	return NULL;
-}
-
-static void wb_trans_timeout(struct event_context *ev, struct timed_event *te,
-			     const struct timeval *now, void *priv)
-{
-	struct async_req *req = talloc_get_type_abort(
-		priv, struct async_req);
-	struct wb_trans_state *state = talloc_get_type_abort(
-		req->private_data, struct wb_trans_state);
-
-	TALLOC_FREE(state->te);
-	async_req_error(req, NT_STATUS_IO_TIMEOUT);
-}
-
-static void wb_trans_sent(struct async_req *subreq)
-{
-	struct async_req *req = talloc_get_type_abort(
-		subreq->async.priv, struct async_req);
-	struct wb_trans_state *state = talloc_get_type_abort(
-		req->private_data, struct wb_trans_state);
-	NTSTATUS status;
-
-	status = wb_req_write_recv(subreq);
-	TALLOC_FREE(subreq);
-	if (!NT_STATUS_IS_OK(status)) {
-		async_req_error(req, status);
-		return;
-	}
-
-	subreq = wb_resp_read_send(state, state->ev, state->fd);
-	if (async_req_nomem(subreq, req)) {
-		return;
-	}
-
-	subreq->async.fn = wb_trans_received;
-	subreq->async.priv = req;
-};
-
-static void wb_trans_received(struct async_req *subreq)
-{
-	struct async_req *req = talloc_get_type_abort(
-		subreq->async.priv, struct async_req);
-	struct wb_trans_state *state = talloc_get_type_abort(
-		req->private_data, struct wb_trans_state);
-	NTSTATUS status;
-
-	TALLOC_FREE(state->te);
-
-	status = wb_resp_read_recv(subreq, state, &state->wb_resp);
-	TALLOC_FREE(subreq);
-	if (!NT_STATUS_IS_OK(status)) {
-		async_req_error(req, status);
-		return;
-	}
-
-	async_req_done(req);
-}
-
-NTSTATUS wb_trans_recv(struct async_req *req, TALLOC_CTX *mem_ctx,
-		       struct winbindd_response **presp)
-{
-	struct wb_trans_state *state = talloc_get_type_abort(
-		req->private_data, struct wb_trans_state);
-	NTSTATUS status;
-
-	if (async_req_is_error(req, &status)) {
-		return status;
-	}
-	*presp = talloc_move(mem_ctx, &state->wb_resp);
-	return NT_STATUS_OK;
-}
-
-struct wb_trans_queue_state {
-	struct wb_trans_queue_state *prev, *next;
-	struct wb_trans_queue *queue;
-	struct winbindd_request *req;
-};
-
-struct wb_trans_queue {
-	int fd;
-	struct timeval timeout;
-	size_t max_resp_extra_data;
-	struct wb_trans_queue_state *queued_requests;
-};