libwbclient: Add async call framework.

1 files changed, 0 insertions, 433 deletions

diff --git a/source3/lib/wb_reqtrans.c b/source3/lib/wb_reqtrans.c
deleted file mode 100644
index 7088925927..0000000000
--- a/source3/lib/wb_reqtrans.c
+++ /dev/null
@@ -1,433 +0,0 @@
-/*
-   Unix SMB/CIFS implementation.
-
-   Async transfer of winbindd_request and _response structs
-
-   Copyright (C) Volker Lendecke 2008
-
-     ** NOTE! The following LGPL license applies to the wbclient
-     ** library. This does NOT imply that all of Samba is released
-     ** under the LGPL
-
-   This library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 3 of the License, or (at your option) any later version.
-
-   This library 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
-   Library General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#include "includes.h"
-#include "wbc_async.h"
-
-#undef DBGC_CLASS
-#define DBGC_CLASS DBGC_WINBIND
-
-struct req_read_state {
-	struct winbindd_request *wb_req;
-	size_t max_extra_data;
-	ssize_t ret;
-};
-
-static ssize_t wb_req_more(uint8_t *buf, size_t buflen, void *private_data);
-static void wb_req_read_done(struct tevent_req *subreq);
-
-struct tevent_req *wb_req_read_send(TALLOC_CTX *mem_ctx,
-				    struct tevent_context *ev,
-				    int fd, size_t max_extra_data)
-{
-	struct tevent_req *req, *subreq;
-	struct req_read_state *state;
-
-	req = tevent_req_create(mem_ctx, &state, struct req_read_state);
-	if (req == NULL) {
-		return NULL;
-	}
-	state->max_extra_data = max_extra_data;
-
-	subreq = read_packet_send(state, ev, fd, 4, wb_req_more, state);
-	if (tevent_req_nomem(subreq, req)) {
-		return tevent_req_post(req, ev);
-	}
-	tevent_req_set_callback(subreq, wb_req_read_done, req);
-	return req;
-}
-
-static ssize_t wb_req_more(uint8_t *buf, size_t buflen, void *private_data)
-{
-	struct req_read_state *state = talloc_get_type_abort(
-		private_data, struct req_read_state);
-	struct winbindd_request *req = (struct winbindd_request *)buf;
-
-	if (buflen == 4) {
-		if (req->length != sizeof(struct winbindd_request)) {
-			DEBUG(0, ("wb_req_read_len: Invalid request size "
-				  "received: %d (expected %d)\n",
-				  (int)req->length,
-				  (int)sizeof(struct winbindd_request)));
-			return -1;
-		}
-		return sizeof(struct winbindd_request) - 4;
-	}
-
-	if ((state->max_extra_data != 0)
-	    && (req->extra_len > state->max_extra_data)) {
-		DEBUG(3, ("Got request with %d bytes extra data on "
-			  "unprivileged socket\n", (int)req->extra_len));
-		return -1;
-	}
-
-	return req->extra_len;
-}
-
-static void wb_req_read_done(struct tevent_req *subreq)
-{
-	struct tevent_req *req = tevent_req_callback_data(
-		subreq, struct tevent_req);
-	struct req_read_state *state = tevent_req_data(
-		req, struct req_read_state);
-	int err;
-	uint8_t *buf;
-
-	state->ret = read_packet_recv(subreq, state, &buf, &err);
-	TALLOC_FREE(subreq);
-	if (state->ret == -1) {
-		tevent_req_error(req, err);
-		return;
-	}
-
-	state->wb_req = (struct winbindd_request *)buf;
-
-	if (state->wb_req->extra_len != 0) {
-		state->wb_req->extra_data.data =
-			(char *)buf + sizeof(struct winbindd_request);
-	} else {
-		state->wb_req->extra_data.data = NULL;
-	}
-	tevent_req_done(req);
-}
-
-ssize_t wb_req_read_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
-			 struct winbindd_request **preq, int *err)
-{
-	struct req_read_state *state = tevent_req_data(
-		req, struct req_read_state);
-
-	if (tevent_req_is_unix_error(req, err)) {
-		return -1;
-	}
-	*preq = talloc_move(mem_ctx, &state->wb_req);
-	return state->ret;
-}
-
-struct req_write_state {
-	struct iovec iov[2];
-	ssize_t ret;
-};
-
-static void wb_req_write_done(struct tevent_req *subreq);
-
-struct tevent_req *wb_req_write_send(TALLOC_CTX *mem_ctx,
-				     struct tevent_context *ev,
-				     struct tevent_queue *queue, int fd,
-				     struct winbindd_request *wb_req)
-{
-	struct tevent_req *req, *subreq;
-	struct req_write_state *state;
-	int count = 1;
-
-	req = tevent_req_create(mem_ctx, &state, struct req_write_state);
-	if (req == NULL) {
-		return NULL;
-	}
-
-	state->iov[0].iov_base = (void *)wb_req;
-	state->iov[0].iov_len = sizeof(struct winbindd_request);
-
-	if (wb_req->extra_len != 0) {
-		state->iov[1].iov_base = (void *)wb_req->extra_data.data;
-		state->iov[1].iov_len = wb_req->extra_len;
-		count = 2;
-	}
-
-	subreq = writev_send(state, ev, queue, fd, true, state->iov, count);
-	if (tevent_req_nomem(subreq, req)) {
-		return tevent_req_post(req, ev);
-	}
-	tevent_req_set_callback(subreq, wb_req_write_done, req);
-	return req;
-}
-
-static void wb_req_write_done(struct tevent_req *subreq)
-{
-	struct tevent_req *req = tevent_req_callback_data(
-		subreq, struct tevent_req);
-	struct req_write_state *state = tevent_req_data(
-		req, struct req_write_state);
-	int err;
-
-	state->ret = writev_recv(subreq, &err);
-	TALLOC_FREE(subreq);
-	if (state->ret < 0) {
-		tevent_req_error(req, err);
-		return;
-	}
-	tevent_req_done(req);
-}
-
-ssize_t wb_req_write_recv(struct tevent_req *req, int *err)
-{
-	struct req_write_state *state = tevent_req_data(
-		req, struct req_write_state);
-
-	if (tevent_req_is_unix_error(req, err)) {
-		return -1;
-	}
-	return state->ret;
-}
-
-struct resp_read_state {
-	struct winbindd_response *wb_resp;
-	ssize_t ret;
-};
-
-static ssize_t wb_resp_more(uint8_t *buf, size_t buflen, void *private_data);
-static void wb_resp_read_done(struct tevent_req *subreq);
-
-struct tevent_req *wb_resp_read_send(TALLOC_CTX *mem_ctx,
-				     struct tevent_context *ev, int fd)
-{
-	struct tevent_req *req, *subreq;
-	struct resp_read_state *state;
-
-	req = tevent_req_create(mem_ctx, &state, struct resp_read_state);
-	if (req == NULL) {
-		return NULL;
-	}
-
-	subreq = read_packet_send(state, ev, fd, 4, wb_resp_more, state);
-	if (tevent_req_nomem(subreq, req)) {
-		return tevent_req_post(req, ev);
-	}
-	tevent_req_set_callback(subreq, wb_resp_read_done, req);
-	return req;
-}
-
-static ssize_t wb_resp_more(uint8_t *buf, size_t buflen, void *private_data)
-{
-	struct winbindd_response *resp = (struct winbindd_response *)buf;
-
-	if (buflen == 4) {
-		if (resp->length < sizeof(struct winbindd_response)) {
-			DEBUG(0, ("wb_resp_read_len: Invalid response size "
-				  "received: %d (expected at least%d)\n",
-				  (int)resp->length,
-				  (int)sizeof(struct winbindd_response)));
-			return -1;
-		}
-	}
-	return resp->length - buflen;
-}
-
-static void wb_resp_read_done(struct tevent_req *subreq)
-{
-	struct tevent_req *req = tevent_req_callback_data(
-		subreq, struct tevent_req);
-	struct resp_read_state *state = tevent_req_data(
-		req, struct resp_read_state);
-	uint8_t *buf;
-	int err;
-
-	state->ret = read_packet_recv(subreq, state, &buf, &err);
-	TALLOC_FREE(subreq);
-	if (state->ret == -1) {
-		tevent_req_error(req, err);
-		return;
-	}
-
-	state->wb_resp = (struct winbindd_response *)buf;
-
-	if (state->wb_resp->length > sizeof(struct winbindd_response)) {
-		state->wb_resp->extra_data.data =
-			(char *)buf + sizeof(struct winbindd_response);
-	} else {
-		state->wb_resp->extra_data.data = NULL;
-	}
-	tevent_req_done(req);
-}
-
-ssize_t wb_resp_read_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
-			  struct winbindd_response **presp, int *err)
-{
-	struct resp_read_state *state = tevent_req_data(
-		req, struct resp_read_state);
-
-	if (tevent_req_is_unix_error(req, err)) {
-		return -1;
-	}
-	*presp = talloc_move(mem_ctx, &state->wb_resp);
-	return state->ret;
-}
-
-struct resp_write_state {
-	struct iovec iov[2];
-	ssize_t ret;
-};
-
-static void wb_resp_write_done(struct tevent_req *subreq);
-
-struct tevent_req *wb_resp_write_send(TALLOC_CTX *mem_ctx,
-				      struct tevent_context *ev,
-				      struct tevent_queue *queue, int fd,
-				      struct winbindd_response *wb_resp)
-{
-	struct tevent_req *req, *subreq;
-	struct resp_write_state *state;
-	int count = 1;
-
-	req = tevent_req_create(mem_ctx, &state, struct resp_write_state);
-	if (req == NULL) {
-		return NULL;
-	}
-
-	state->iov[0].iov_base = (void *)wb_resp;
-	state->iov[0].iov_len = sizeof(struct winbindd_response);
-
-	if (wb_resp->length > sizeof(struct winbindd_response)) {
-		state->iov[1].iov_base = (void *)wb_resp->extra_data.data;
-		state->iov[1].iov_len =
-			wb_resp->length - sizeof(struct winbindd_response);
-		count = 2;
-	}
-
-	subreq = writev_send(state, ev, queue, fd, true, state->iov, count);
-	if (tevent_req_nomem(subreq, req)) {
-		return tevent_req_post(req, ev);
-	}
-	tevent_req_set_callback(subreq, wb_resp_write_done, req);
-	return req;
-}
-
-static void wb_resp_write_done(struct tevent_req *subreq)
-{
-	struct tevent_req *req = tevent_req_callback_data(
-		subreq, struct tevent_req);
-	struct resp_write_state *state = tevent_req_data(
-		req, struct resp_write_state);
-	int err;
-
-	state->ret = writev_recv(subreq, &err);
-	TALLOC_FREE(subreq);
-	if (state->ret < 0) {
-		tevent_req_error(req, err);
-		return;
-	}
-	tevent_req_done(req);
-}
-
-ssize_t wb_resp_write_recv(struct tevent_req *req, int *err)
-{
-	struct resp_write_state *state = tevent_req_data(
-		req, struct resp_write_state);
-
-	if (tevent_req_is_unix_error(req, err)) {
-		return -1;
-	}
-	return state->ret;
-}
-
-struct wb_simple_trans_state {
-	struct tevent_context *ev;
-	int fd;
-	struct winbindd_response *wb_resp;
-};
-
-static void wb_simple_trans_write_done(struct tevent_req *subreq);
-static void wb_simple_trans_read_done(struct tevent_req *subreq);
-
-struct tevent_req *wb_simple_trans_send(TALLOC_CTX *mem_ctx,
-					struct tevent_context *ev,
-					struct tevent_queue *queue, int fd,
-					struct winbindd_request *wb_req)
-{
-	struct tevent_req *req, *subreq;
-	struct wb_simple_trans_state *state;
-
-	req = tevent_req_create(mem_ctx, &state, struct wb_simple_trans_state);
-	if (req == NULL) {
-		return NULL;
-	}
-
-	wb_req->length = sizeof(struct winbindd_request);
-
-	state->ev = ev;
-	state->fd = fd;
-
-	subreq = wb_req_write_send(state, ev, queue, fd, wb_req);
-	if (tevent_req_nomem(subreq, req)) {
-		return tevent_req_post(req, ev);
-	}
-	tevent_req_set_callback(subreq, wb_simple_trans_write_done, req);
-
-	return req;
-}
-
-static void wb_simple_trans_write_done(struct tevent_req *subreq)
-{
-	struct tevent_req *req = tevent_req_callback_data(
-		subreq, struct tevent_req);
-	struct wb_simple_trans_state *state = tevent_req_data(
-		req, struct wb_simple_trans_state);
-	ssize_t ret;
-	int err;
-
-	ret = wb_req_write_recv(subreq, &err);
-	TALLOC_FREE(subreq);
-	if (ret == -1) {
-		tevent_req_error(req, err);
-		return;
-	}
-	subreq = wb_resp_read_send(state, state->ev, state->fd);
-	if (tevent_req_nomem(subreq, req)) {
-		return;
-	}
-	tevent_req_set_callback(subreq, wb_simple_trans_read_done, req);
-}
-
-static void wb_simple_trans_read_done(struct tevent_req *subreq)
-{
-	struct tevent_req *req = tevent_req_callback_data(
-		subreq, struct tevent_req);
-	struct wb_simple_trans_state *state = tevent_req_data(
-		req, struct wb_simple_trans_state);
-	ssize_t ret;
-	int err;
-
-	ret = wb_resp_read_recv(subreq, state, &state->wb_resp, &err);
-	TALLOC_FREE(subreq);
-	if (ret == -1) {
-		tevent_req_error(req, err);
-		return;
-	}
-
-	tevent_req_done(req);
-}
-
-int wb_simple_trans_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
-			 struct winbindd_response **presponse, int *err)
-{
-	struct wb_simple_trans_state *state = tevent_req_data(
-		req, struct wb_simple_trans_state);
-
-	if (tevent_req_is_unix_error(req, err)) {
-		return -1;
-	}
-	*presponse = talloc_move(mem_ctx, &state->wb_resp);
-	return 0;
-}