wbclient: Fix use of wb_int_trans_send, queue parameter must not be NULL
[ira/wip.git] / source3 / lib / wbclient.c
index 4d3a6095301dba783ef07c25d9c9091346337c08..c22e1684541a410fe51f313b91a25a5549b42e05 100644 (file)
 #include "includes.h"
 #include "wbc_async.h"
 
+struct wb_context {
+       struct tevent_queue *queue;
+       int fd;
+       bool is_priv;
+};
+
 static int make_nonstd_fd(int fd)
 {
        int i;
@@ -138,7 +144,7 @@ struct wb_context *wb_context_init(TALLOC_CTX *mem_ctx)
        if (result == NULL) {
                return NULL;
        }
-       result->queue = async_req_queue_init(result);
+       result->queue = tevent_queue_create(result, "wb_trans");
        if (result->queue == NULL) {
                TALLOC_FREE(result);
                return NULL;
@@ -147,17 +153,29 @@ struct wb_context *wb_context_init(TALLOC_CTX *mem_ctx)
        return result;
 }
 
-static struct async_req *wb_connect_send(TALLOC_CTX *mem_ctx,
-                                        struct tevent_context *ev,
-                                        struct wb_context *wb_ctx,
-                                        const char *dir)
+struct wb_connect_state {
+       int dummy;
+};
+
+static void wbc_connect_connected(struct tevent_req *subreq);
+
+static struct tevent_req *wb_connect_send(TALLOC_CTX *mem_ctx,
+                                         struct tevent_context *ev,
+                                         struct wb_context *wb_ctx,
+                                         const char *dir)
 {
-       struct async_req *req;
+       struct tevent_req *result, *subreq;
+       struct wb_connect_state *state;
        struct sockaddr_un sunaddr;
        struct stat st;
        char *path = NULL;
        wbcErr wbc_err;
 
+       result = tevent_req_create(mem_ctx, &state, struct wb_connect_state);
+       if (result == NULL) {
+               return NULL;
+       }
+
        if (wb_ctx->fd != -1) {
                close(wb_ctx->fd);
                wb_ctx->fd = -1;
@@ -205,61 +223,46 @@ static struct async_req *wb_connect_send(TALLOC_CTX *mem_ctx,
                goto post_status;
        }
 
-       req = async_connect_send(mem_ctx, ev, wb_ctx->fd,
-                                (struct sockaddr *)&sunaddr,
-                                sizeof(sunaddr));
-       if (req == NULL) {
+       subreq = async_connect_send(mem_ctx, ev, wb_ctx->fd,
+                                   (struct sockaddr *)&sunaddr,
+                                   sizeof(sunaddr));
+       if (subreq == NULL) {
                goto nomem;
        }
-       if (!async_req_set_timeout(req, ev, timeval_set(30, 0))) {
-               TALLOC_FREE(req);
+       tevent_req_set_callback(subreq, wbc_connect_connected, result);
+
+       if (!tevent_req_set_endtime(subreq, ev, timeval_current_ofs(30, 0))) {
                goto nomem;
        }
 
-       return req;
+       return result;
 
- nomem:
-       wbc_err = WBC_ERR_NO_MEMORY;
  post_status:
-       req = async_req_new(mem_ctx);
-       if (req == NULL) {
-               return NULL;
-       }
-       if (async_post_error(req, ev, wbc_err)) {
-               return req;
-       }
-       TALLOC_FREE(req);
+       tevent_req_error(result, wbc_err);
+       return tevent_req_post(result, ev);
+ nomem:
+       TALLOC_FREE(result);
        return NULL;
 }
 
-static wbcErr wb_connect_recv(struct async_req *req)
-{
-       return async_req_simple_recv_wbcerr(req);
-}
-
-static struct winbindd_request *winbindd_request_copy(
-       TALLOC_CTX *mem_ctx,
-       const struct winbindd_request *req)
+static void wbc_connect_connected(struct tevent_req *subreq)
 {
-       struct winbindd_request *result;
-
-       result = (struct winbindd_request *)TALLOC_MEMDUP(
-               mem_ctx, req, sizeof(struct winbindd_request));
-       if (result == NULL) {
-               return NULL;
-       }
+       struct tevent_req *req = tevent_req_callback_data(
+               subreq, struct tevent_req);
+       int res, err;
 
-       if (result->extra_len == 0) {
-               return result;
+       res = async_connect_recv(subreq, &err);
+       TALLOC_FREE(subreq);
+       if (res == -1) {
+               tevent_req_error(req, map_wbc_err_from_errno(err));
+               return;
        }
+       tevent_req_done(req);
+}
 
-       result->extra_data.data = (char *)TALLOC_MEMDUP(
-               result, result->extra_data.data, result->extra_len);
-       if (result->extra_data.data == NULL) {
-               TALLOC_FREE(result);
-               return NULL;
-       }
-       return result;
+static wbcErr wb_connect_recv(struct tevent_req *req)
+{
+       return tevent_req_simple_recv_wbcerr(req);
 }
 
 struct wb_int_trans_state {
@@ -269,43 +272,40 @@ struct wb_int_trans_state {
        struct winbindd_response *wb_resp;
 };
 
-static void wb_int_trans_write_done(struct async_req *subreq);
-static void wb_int_trans_read_done(struct async_req *subreq);
+static void wb_int_trans_write_done(struct tevent_req *subreq);
+static void wb_int_trans_read_done(struct tevent_req *subreq);
 
-static struct async_req *wb_int_trans_send(TALLOC_CTX *mem_ctx,
-                                          struct tevent_context *ev, int fd,
-                                          struct winbindd_request *wb_req)
+static struct tevent_req *wb_int_trans_send(TALLOC_CTX *mem_ctx,
+                                           struct tevent_context *ev,
+                                           struct tevent_queue *queue, int fd,
+                                           struct winbindd_request *wb_req)
 {
-       struct async_req *result;
-       struct async_req *subreq;
+       struct tevent_req *result, *subreq;
        struct wb_int_trans_state *state;
 
-       if (!async_req_setup(mem_ctx, &result, &state,
-                            struct wb_int_trans_state)) {
+       result = tevent_req_create(mem_ctx, &state,
+                                  struct wb_int_trans_state);
+       if (result == NULL) {
                return NULL;
        }
 
        if (winbind_closed_fd(fd)) {
-               if (!async_post_error(result, ev,
-                                     WBC_ERR_WINBIND_NOT_AVAILABLE)) {
-                       goto fail;
-               }
-               return result;
+               tevent_req_error(result, WBC_ERR_WINBIND_NOT_AVAILABLE);
+               return tevent_req_post(result, ev);
        }
 
        state->ev = ev;
        state->fd = fd;
        state->wb_req = wb_req;
-
        state->wb_req->length = sizeof(struct winbindd_request);
        state->wb_req->pid = getpid();
 
-       subreq = wb_req_write_send(state, state->ev, state->fd, state->wb_req);
+       subreq = wb_req_write_send(state, state->ev, queue, state->fd,
+                                  state->wb_req);
        if (subreq == NULL) {
                goto fail;
        }
-       subreq->async.fn = wb_int_trans_write_done;
-       subreq->async.priv = result;
+       tevent_req_set_callback(subreq, wb_int_trans_write_done, result);
 
        return result;
 
@@ -314,56 +314,55 @@ static struct async_req *wb_int_trans_send(TALLOC_CTX *mem_ctx,
        return NULL;
 }
 
-static void wb_int_trans_write_done(struct async_req *subreq)
+static void wb_int_trans_write_done(struct tevent_req *subreq)
 {
-       struct async_req *req = talloc_get_type_abort(
-               subreq->async.priv, struct async_req);
-       struct wb_int_trans_state *state = talloc_get_type_abort(
-               req->private_data, struct wb_int_trans_state);
+       struct tevent_req *req = tevent_req_callback_data(
+               subreq, struct tevent_req);
+       struct wb_int_trans_state *state = tevent_req_data(
+               req, struct wb_int_trans_state);
        wbcErr wbc_err;
 
        wbc_err = wb_req_write_recv(subreq);
        TALLOC_FREE(subreq);
        if (!WBC_ERROR_IS_OK(wbc_err)) {
-               async_req_error(req, wbc_err);
+               tevent_req_error(req, wbc_err);
                return;
        }
 
        subreq = wb_resp_read_send(state, state->ev, state->fd);
-       if (subreq == NULL) {
-               async_req_error(req, WBC_ERR_NO_MEMORY);
+       if (tevent_req_nomem(subreq, req)) {
+               return;
        }
-       subreq->async.fn = wb_int_trans_read_done;
-       subreq->async.priv = req;
+       tevent_req_set_callback(subreq, wb_int_trans_read_done, req);
 }
 
-static void wb_int_trans_read_done(struct async_req *subreq)
+static void wb_int_trans_read_done(struct tevent_req *subreq)
 {
-       struct async_req *req = talloc_get_type_abort(
-               subreq->async.priv, struct async_req);
-       struct wb_int_trans_state *state = talloc_get_type_abort(
-               req->private_data, struct wb_int_trans_state);
+       struct tevent_req *req = tevent_req_callback_data(
+               subreq, struct tevent_req);
+       struct wb_int_trans_state *state = tevent_req_data(
+               req, struct wb_int_trans_state);
        wbcErr wbc_err;
 
        wbc_err = wb_resp_read_recv(subreq, state, &state->wb_resp);
        TALLOC_FREE(subreq);
        if (!WBC_ERROR_IS_OK(wbc_err)) {
-               async_req_error(req, wbc_err);
+               tevent_req_error(req, wbc_err);
                return;
        }
 
-       async_req_done(req);
+       tevent_req_done(req);
 }
 
-static wbcErr wb_int_trans_recv(struct async_req *req,
+static wbcErr wb_int_trans_recv(struct tevent_req *req,
                                TALLOC_CTX *mem_ctx,
                                struct winbindd_response **presponse)
 {
-       struct wb_int_trans_state *state = talloc_get_type_abort(
-               req->private_data, struct wb_int_trans_state);
+       struct wb_int_trans_state *state = tevent_req_data(
+               req, struct wb_int_trans_state);
        wbcErr wbc_err;
 
-       if (async_req_is_wbcerr(req, &wbc_err)) {
+       if (tevent_req_is_wbcerr(req, &wbc_err)) {
                return wbc_err;
        }
 
@@ -392,22 +391,21 @@ struct wb_open_pipe_state {
        struct winbindd_request wb_req;
 };
 
-static void wb_open_pipe_connect_nonpriv_done(struct async_req *subreq);
-static void wb_open_pipe_ping_done(struct async_req *subreq);
-static void wb_open_pipe_getpriv_done(struct async_req *subreq);
-static void wb_open_pipe_connect_priv_done(struct async_req *subreq);
+static void wb_open_pipe_connect_nonpriv_done(struct tevent_req *subreq);
+static void wb_open_pipe_ping_done(struct tevent_req *subreq);
+static void wb_open_pipe_getpriv_done(struct tevent_req *subreq);
+static void wb_open_pipe_connect_priv_done(struct tevent_req *subreq);
 
-static struct async_req *wb_open_pipe_send(TALLOC_CTX *mem_ctx,
-                                          struct tevent_context *ev,
-                                          struct wb_context *wb_ctx,
-                                          bool need_priv)
+static struct tevent_req *wb_open_pipe_send(TALLOC_CTX *mem_ctx,
+                                           struct tevent_context *ev,
+                                           struct wb_context *wb_ctx,
+                                           bool need_priv)
 {
-       struct async_req *result;
-       struct async_req *subreq;
+       struct tevent_req *result, *subreq;
        struct wb_open_pipe_state *state;
 
-       if (!async_req_setup(mem_ctx, &result, &state,
-                            struct wb_open_pipe_state)) {
+       result = tevent_req_create(mem_ctx, &state, struct wb_open_pipe_state);
+       if (result == NULL) {
                return NULL;
        }
        state->wb_ctx = wb_ctx;
@@ -423,9 +421,8 @@ static struct async_req *wb_open_pipe_send(TALLOC_CTX *mem_ctx,
        if (subreq == NULL) {
                goto fail;
        }
-
-       subreq->async.fn = wb_open_pipe_connect_nonpriv_done;
-       subreq->async.priv = result;
+       tevent_req_set_callback(subreq, wb_open_pipe_connect_nonpriv_done,
+                               result);
        return result;
 
  fail:
@@ -433,81 +430,77 @@ static struct async_req *wb_open_pipe_send(TALLOC_CTX *mem_ctx,
        return NULL;
 }
 
-static void wb_open_pipe_connect_nonpriv_done(struct async_req *subreq)
+static void wb_open_pipe_connect_nonpriv_done(struct tevent_req *subreq)
 {
-       struct async_req *req = talloc_get_type_abort(
-               subreq->async.priv, struct async_req);
-       struct wb_open_pipe_state *state = talloc_get_type_abort(
-               req->private_data, struct wb_open_pipe_state);
+       struct tevent_req *req = tevent_req_callback_data(
+               subreq, struct tevent_req);
+       struct wb_open_pipe_state *state = tevent_req_data(
+               req, struct wb_open_pipe_state);
        wbcErr wbc_err;
 
        wbc_err = wb_connect_recv(subreq);
        TALLOC_FREE(subreq);
        if (!WBC_ERROR_IS_OK(wbc_err)) {
                state->wb_ctx->is_priv = true;
-               async_req_error(req, wbc_err);
+               tevent_req_error(req, wbc_err);
                return;
        }
 
        ZERO_STRUCT(state->wb_req);
        state->wb_req.cmd = WINBINDD_INTERFACE_VERSION;
 
-       subreq = wb_int_trans_send(state, state->ev, state->wb_ctx->fd,
-                                  &state->wb_req);
-       if (async_req_nomem(subreq, req)) {
+       subreq = wb_int_trans_send(state, state->ev, state->wb_ctx->queue,
+                                  state->wb_ctx->fd, &state->wb_req);
+       if (tevent_req_nomem(subreq, req)) {
                return;
        }
-
-       subreq->async.fn = wb_open_pipe_ping_done;
-       subreq->async.priv = req;
+       tevent_req_set_callback(subreq, wb_open_pipe_ping_done, req);
 }
 
-static void wb_open_pipe_ping_done(struct async_req *subreq)
+static void wb_open_pipe_ping_done(struct tevent_req *subreq)
 {
-       struct async_req *req = talloc_get_type_abort(
-               subreq->async.priv, struct async_req);
-       struct wb_open_pipe_state *state = talloc_get_type_abort(
-               req->private_data, struct wb_open_pipe_state);
+       struct tevent_req *req = tevent_req_callback_data(
+               subreq, struct tevent_req);
+       struct wb_open_pipe_state *state = tevent_req_data(
+               req, struct wb_open_pipe_state);
        struct winbindd_response *wb_resp;
        wbcErr wbc_err;
 
        wbc_err = wb_int_trans_recv(subreq, state, &wb_resp);
        TALLOC_FREE(subreq);
        if (!WBC_ERROR_IS_OK(wbc_err)) {
-               async_req_error(req, wbc_err);
+               tevent_req_error(req, wbc_err);
                return;
        }
 
        if (!state->need_priv) {
-               async_req_done(req);
+               tevent_req_done(req);
                return;
        }
 
        state->wb_req.cmd = WINBINDD_PRIV_PIPE_DIR;
 
-       subreq = wb_int_trans_send(state, state->ev, state->wb_ctx->fd,
-                                  &state->wb_req);
-       if (async_req_nomem(subreq, req)) {
+       subreq = wb_int_trans_send(state, state->ev, state->wb_ctx->queue,
+                                  state->wb_ctx->fd, &state->wb_req);
+       if (tevent_req_nomem(subreq, req)) {
                return;
        }
-
-       subreq->async.fn = wb_open_pipe_getpriv_done;
-       subreq->async.priv = req;
+       tevent_req_set_callback(subreq, wb_open_pipe_getpriv_done, req);
 }
 
-static void wb_open_pipe_getpriv_done(struct async_req *subreq)
+static void wb_open_pipe_getpriv_done(struct tevent_req *subreq)
 {
-       struct async_req *req = talloc_get_type_abort(
-               subreq->async.priv, struct async_req);
-       struct wb_open_pipe_state *state = talloc_get_type_abort(
-               req->private_data, struct wb_open_pipe_state);
+       struct tevent_req *req = tevent_req_callback_data(
+               subreq, struct tevent_req);
+       struct wb_open_pipe_state *state = tevent_req_data(
+               req, struct wb_open_pipe_state);
        struct winbindd_response *wb_resp = NULL;
        wbcErr wbc_err;
 
        wbc_err = wb_int_trans_recv(subreq, state, &wb_resp);
        TALLOC_FREE(subreq);
        if (!WBC_ERROR_IS_OK(wbc_err)) {
-               async_req_error(req, wbc_err);
+               tevent_req_error(req, wbc_err);
                return;
        }
 
@@ -515,37 +508,35 @@ static void wb_open_pipe_getpriv_done(struct async_req *subreq)
        state->wb_ctx->fd = -1;
 
        subreq = wb_connect_send(state, state->ev, state->wb_ctx,
-                                (char *)wb_resp->extra_data.data);
+                                 (char *)wb_resp->extra_data.data);
        TALLOC_FREE(wb_resp);
-       if (async_req_nomem(subreq, req)) {
+       if (tevent_req_nomem(subreq, req)) {
                return;
        }
-
-       subreq->async.fn = wb_open_pipe_connect_priv_done;
-       subreq->async.priv = req;
+       tevent_req_set_callback(subreq, wb_open_pipe_connect_priv_done, req);
 }
 
-static void wb_open_pipe_connect_priv_done(struct async_req *subreq)
+static void wb_open_pipe_connect_priv_done(struct tevent_req *subreq)
 {
-       struct async_req *req = talloc_get_type_abort(
-               subreq->async.priv, struct async_req);
-       struct wb_open_pipe_state *state = talloc_get_type_abort(
-               req->private_data, struct wb_open_pipe_state);
+       struct tevent_req *req = tevent_req_callback_data(
+               subreq, struct tevent_req);
+       struct wb_open_pipe_state *state = tevent_req_data(
+               req, struct wb_open_pipe_state);
        wbcErr wbc_err;
 
        wbc_err = wb_connect_recv(subreq);
        TALLOC_FREE(subreq);
        if (!WBC_ERROR_IS_OK(wbc_err)) {
-               async_req_error(req, wbc_err);
+               tevent_req_error(req, wbc_err);
                return;
        }
        state->wb_ctx->is_priv = true;
-       async_req_done(req);
+       tevent_req_done(req);
 }
 
-static wbcErr wb_open_pipe_recv(struct async_req *req)
+static wbcErr wb_open_pipe_recv(struct tevent_req *req)
 {
-       return async_req_simple_recv_wbcerr(req);
+       return tevent_req_simple_recv_wbcerr(req);
 }
 
 struct wb_trans_state {
@@ -558,73 +549,54 @@ struct wb_trans_state {
        bool need_priv;
 };
 
-static void wb_trans_connect_done(struct async_req *subreq);
-static void wb_trans_done(struct async_req *subreq);
-static void wb_trans_retry_wait_done(struct async_req *subreq);
-
-static void wb_trigger_trans(struct async_req *req)
-{
-       struct wb_trans_state *state = talloc_get_type_abort(
-               req->private_data, struct wb_trans_state);
-       struct async_req *subreq;
-
-       if ((state->wb_ctx->fd == -1)
-           || (state->need_priv && !state->wb_ctx->is_priv)) {
-
-               subreq = wb_open_pipe_send(state, state->ev, state->wb_ctx,
-                                          state->need_priv);
-               if (async_req_nomem(subreq, req)) {
-                       return;
-               }
-               subreq->async.fn = wb_trans_connect_done;
-               subreq->async.priv = req;
-               return;
-       }
-
-       subreq = wb_int_trans_send(state, state->ev, state->wb_ctx->fd,
-                                  state->wb_req);
-       if (async_req_nomem(subreq, req)) {
-               return;
-       }
-       subreq->async.fn = wb_trans_done;
-       subreq->async.priv = req;
-}
+static void wb_trans_connect_done(struct tevent_req *subreq);
+static void wb_trans_done(struct tevent_req *subreq);
+static void wb_trans_retry_wait_done(struct tevent_req *subreq);
 
-struct async_req *wb_trans_send(TALLOC_CTX *mem_ctx, struct tevent_context *ev,
-                               struct wb_context *wb_ctx, bool need_priv,
-                               const struct winbindd_request *wb_req)
+struct tevent_req *wb_trans_send(TALLOC_CTX *mem_ctx,
+                                struct tevent_context *ev,
+                                struct wb_context *wb_ctx, bool need_priv,
+                                struct winbindd_request *wb_req)
 {
-       struct async_req *result;
+       struct tevent_req *req, *subreq;
        struct wb_trans_state *state;
 
-       if (!async_req_setup(mem_ctx, &result, &state,
-                            struct wb_trans_state)) {
+       req = tevent_req_create(mem_ctx, &state, struct wb_trans_state);
+       if (req == NULL) {
                return NULL;
        }
        state->wb_ctx = wb_ctx;
        state->ev = ev;
-       state->wb_req = winbindd_request_copy(state, wb_req);
-       if (state->wb_req == NULL) {
-               goto fail;
-       }
+       state->wb_req = wb_req;
        state->num_retries = 10;
        state->need_priv = need_priv;
 
-       if (!async_req_enqueue(wb_ctx->queue, ev, result, wb_trigger_trans)) {
-               goto fail;
+       if ((wb_ctx->fd == -1) || (need_priv && !wb_ctx->is_priv)) {
+               subreq = wb_open_pipe_send(state, ev, wb_ctx, need_priv);
+               if (subreq == NULL) {
+                       goto fail;
+               }
+               tevent_req_set_callback(subreq, wb_trans_connect_done, req);
+               return req;
        }
-       return result;
 
+       subreq = wb_int_trans_send(state, ev, wb_ctx->queue, wb_ctx->fd,
+                                  wb_req);
+       if (subreq == NULL) {
+               goto fail;
+       }
+       tevent_req_set_callback(subreq, wb_trans_done, req);
+       return req;
  fail:
-       TALLOC_FREE(result);
+       TALLOC_FREE(req);
        return NULL;
 }
 
-static bool wb_trans_retry(struct async_req *req,
+static bool wb_trans_retry(struct tevent_req *req,
                           struct wb_trans_state *state,
                           wbcErr wbc_err)
 {
-       struct async_req *subreq;
+       struct tevent_req *subreq;
 
        if (WBC_ERROR_IS_OK(wbc_err)) {
                return false;
@@ -635,13 +607,13 @@ static bool wb_trans_retry(struct async_req *req,
                 * Winbind not around or we can't connect to the pipe. Fail
                 * immediately.
                 */
-               async_req_error(req, wbc_err);
+               tevent_req_error(req, wbc_err);
                return true;
        }
 
        state->num_retries -= 1;
        if (state->num_retries == 0) {
-               async_req_error(req, wbc_err);
+               tevent_req_error(req, wbc_err);
                return true;
        }
 
@@ -654,46 +626,44 @@ static bool wb_trans_retry(struct async_req *req,
                state->wb_ctx->fd = -1;
        }
 
-       subreq = async_wait_send(state, state->ev, timeval_set(1, 0));
-       if (async_req_nomem(subreq, req)) {
+       subreq = tevent_wakeup_send(state, state->ev,
+                                   timeval_current_ofs(1, 0));
+       if (tevent_req_nomem(subreq, req)) {
                return true;
        }
-
-       subreq->async.fn = wb_trans_retry_wait_done;
-       subreq->async.priv = req;
+       tevent_req_set_callback(subreq, wb_trans_retry_wait_done, req);
        return true;
 }
 
-static void wb_trans_retry_wait_done(struct async_req *subreq)
+static void wb_trans_retry_wait_done(struct tevent_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);
+       struct tevent_req *req = tevent_req_callback_data(
+               subreq, struct tevent_req);
+       struct wb_trans_state *state = tevent_req_data(
+               req, struct wb_trans_state);
        bool ret;
 
-       ret = async_wait_recv(subreq);
+       ret = tevent_wakeup_recv(subreq);
        TALLOC_FREE(subreq);
-       if (ret) {
-               async_req_error(req, WBC_ERR_UNKNOWN_FAILURE);
+       if (!ret) {
+               tevent_req_error(req, WBC_ERR_UNKNOWN_FAILURE);
                return;
        }
 
        subreq = wb_open_pipe_send(state, state->ev, state->wb_ctx,
                                   state->need_priv);
-       if (async_req_nomem(subreq, req)) {
+       if (tevent_req_nomem(subreq, req)) {
                return;
        }
-       subreq->async.fn = wb_trans_connect_done;
-       subreq->async.priv = req;
+       tevent_req_set_callback(subreq, wb_trans_connect_done, req);
 }
 
-static void wb_trans_connect_done(struct async_req *subreq)
+static void wb_trans_connect_done(struct tevent_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);
+       struct tevent_req *req = tevent_req_callback_data(
+               subreq, struct tevent_req);
+       struct wb_trans_state *state = tevent_req_data(
+               req, struct wb_trans_state);
        wbcErr wbc_err;
 
        wbc_err = wb_open_pipe_recv(subreq);
@@ -703,22 +673,20 @@ static void wb_trans_connect_done(struct async_req *subreq)
                return;
        }
 
-       subreq = wb_int_trans_send(state, state->ev, state->wb_ctx->fd,
-                                  state->wb_req);
-       if (async_req_nomem(subreq, req)) {
+       subreq = wb_int_trans_send(state, state->ev, state->wb_ctx->queue,
+                                  state->wb_ctx->fd, state->wb_req);
+       if (tevent_req_nomem(subreq, req)) {
                return;
        }
-
-       subreq->async.fn = wb_trans_done;
-       subreq->async.priv = req;
+       tevent_req_set_callback(subreq, wb_trans_done, req);
 }
 
-static void wb_trans_done(struct async_req *subreq)
+static void wb_trans_done(struct tevent_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);
+       struct tevent_req *req = tevent_req_callback_data(
+               subreq, struct tevent_req);
+       struct wb_trans_state *state = tevent_req_data(
+               req, struct wb_trans_state);
        wbcErr wbc_err;
 
        wbc_err = wb_int_trans_recv(subreq, state, &state->wb_resp);
@@ -728,17 +696,17 @@ static void wb_trans_done(struct async_req *subreq)
                return;
        }
 
-       async_req_done(req);
+       tevent_req_done(req);
 }
 
-wbcErr wb_trans_recv(struct async_req *req, TALLOC_CTX *mem_ctx,
+wbcErr wb_trans_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
                     struct winbindd_response **presponse)
 {
-       struct wb_trans_state *state = talloc_get_type_abort(
-               req->private_data, struct wb_trans_state);
+       struct wb_trans_state *state = tevent_req_data(
+               req, struct wb_trans_state);
        wbcErr wbc_err;
 
-       if (async_req_is_wbcerr(req, &wbc_err)) {
+       if (tevent_req_is_wbcerr(req, &wbc_err)) {
                return wbc_err;
        }