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authorStefan Metzmacher <metze@samba.org>2012-08-23 13:14:17 +0200
committerStefan Metzmacher <metze@samba.org>2012-08-25 01:39:41 +0200
commitd3756d87389fb7111c35e1e01f23abfb13f814a7 (patch)
treebae323f59a72dc88ba4e7610892b640111339da5 /source4/winbind
parent89a5a7165469da35f0f6c87c4c34579aa4f75531 (diff)
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s4:winbind: convert wb_sid2domain to tevent_req internally
The public wrapper still uses composite_context, because I don't have time to fix all the callers... metze
Diffstat (limited to 'source4/winbind')
-rw-r--r--source4/winbind/wb_sid2domain.c248
1 files changed, 174 insertions, 74 deletions
diff --git a/source4/winbind/wb_sid2domain.c b/source4/winbind/wb_sid2domain.c
index 62854a2b6a..637fe1d8af 100644
--- a/source4/winbind/wb_sid2domain.c
+++ b/source4/winbind/wb_sid2domain.c
@@ -20,6 +20,8 @@
*/
#include "includes.h"
+#include <tevent.h>
+#include "../lib/util/tevent_ntstatus.h"
#include "libcli/composite/composite.h"
#include "winbind/wb_server.h"
#include "smbd/service_task.h"
@@ -43,43 +45,42 @@ static struct wbsrv_domain *find_domain_from_sid(struct wbsrv_service *service,
return domain;
}
-struct sid2domain_state {
- struct composite_context *ctx;
+struct wb_sid2domain_state {
struct wbsrv_service *service;
- struct dom_sid *sid;
+ struct dom_sid sid;
struct wbsrv_domain *domain;
};
-static void sid2domain_recv_dom_info(struct composite_context *ctx);
-static void sid2domain_recv_name(struct composite_context *ctx);
-static void sid2domain_recv_trusted_dom_info(struct composite_context *ctx);
-static void sid2domain_recv_init(struct composite_context *ctx);
+static void wb_sid2domain_recv_dom_info(struct composite_context *ctx);
+static void wb_sid2domain_recv_name(struct composite_context *ctx);
+static void wb_sid2domain_recv_trusted_dom_info(struct composite_context *ctx);
+static void wb_sid2domain_recv_init(struct composite_context *ctx);
-struct composite_context *wb_sid2domain_send(TALLOC_CTX *mem_ctx,
- struct wbsrv_service *service,
- const struct dom_sid *sid)
+static struct tevent_req *_wb_sid2domain_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct wbsrv_service *service,
+ const struct dom_sid *sid)
{
- struct composite_context *result, *ctx;
- struct sid2domain_state *state;
+ struct tevent_req *req;
+ struct wb_sid2domain_state *state;
+ struct composite_context *ctx;
+
DEBUG(5, ("wb_sid2domain_send called\n"));
- result = composite_create(mem_ctx, service->task->event_ctx);
- if (result == NULL) goto failed;
- state = talloc(result, struct sid2domain_state);
- if (state == NULL) goto failed;
- state->ctx = result;
- result->private_data = state;
+ req = tevent_req_create(mem_ctx, &state,
+ struct wb_sid2domain_state);
+ if (req == NULL) {
+ return NULL;
+ }
state->service = service;
- state->sid = dom_sid_dup(state, sid);
- if (state->sid == NULL) goto failed;
+ state->sid = *sid;
state->domain = find_domain_from_sid(service, sid);
if (state->domain != NULL) {
- result->status = NT_STATUS_OK;
- composite_done(result);
- return result;
+ tevent_req_done(req);
+ return tevent_req_post(req, ev);
}
if (dom_sid_equal(service->primary_sid, sid) ||
@@ -88,103 +89,202 @@ struct composite_context *wb_sid2domain_send(TALLOC_CTX *mem_ctx,
lpcfg_workgroup(service->task->lp_ctx),
lpcfg_realm(service->task->lp_ctx),
service->primary_sid);
- if (ctx == NULL) goto failed;
- ctx->async.fn = sid2domain_recv_dom_info;
- ctx->async.private_data = state;
- return result;
- }
-
- ctx = wb_cmd_lookupsid_send(state, service, state->sid);
- if (ctx == NULL) goto failed;
- composite_continue(result, ctx, sid2domain_recv_name, state);
+ if (tevent_req_nomem(ctx, req)) {
+ return tevent_req_post(req, ev);
+ }
+ ctx->async.fn = wb_sid2domain_recv_dom_info;
+ ctx->async.private_data = req;
- return result;
+ return req;
+ }
- failed:
- talloc_free(result);
- return NULL;
+ ctx = wb_cmd_lookupsid_send(state, service, &state->sid);
+ if (tevent_req_nomem(ctx, req)) {
+ return tevent_req_post(req, ev);
+ }
+ ctx->async.fn = wb_sid2domain_recv_name;
+ ctx->async.private_data = req;
+ return req;
}
-static void sid2domain_recv_dom_info(struct composite_context *ctx)
+static void wb_sid2domain_recv_dom_info(struct composite_context *ctx)
{
- struct sid2domain_state *state =
- talloc_get_type(ctx->async.private_data,
- struct sid2domain_state);
+ struct tevent_req *req =
+ talloc_get_type_abort(ctx->async.private_data,
+ struct tevent_req);
+ struct wb_sid2domain_state *state =
+ tevent_req_data(req,
+ struct wb_sid2domain_state);
struct wb_dom_info *info;
+ NTSTATUS status;
- state->ctx->status = wb_get_dom_info_recv(ctx, state, &info);
- if (!composite_is_ok(state->ctx)) return;
+ status = wb_get_dom_info_recv(ctx, state, &info);
+ if (tevent_req_nterror(req, status)) {
+ return;
+ }
ctx = wb_init_domain_send(state, state->service, info);
-
- composite_continue(state->ctx, ctx, sid2domain_recv_init, state);
+ if (tevent_req_nomem(ctx, req)) {
+ return;
+ }
+ ctx->async.fn = wb_sid2domain_recv_init;
+ ctx->async.private_data = req;
}
-static void sid2domain_recv_name(struct composite_context *ctx)
+static void wb_sid2domain_recv_name(struct composite_context *ctx)
{
- struct sid2domain_state *state =
- talloc_get_type(ctx->async.private_data,
- struct sid2domain_state);
+ struct tevent_req *req =
+ talloc_get_type_abort(ctx->async.private_data,
+ struct tevent_req);
+ struct wb_sid2domain_state *state =
+ tevent_req_data(req,
+ struct wb_sid2domain_state);
struct wb_sid_object *name;
+ NTSTATUS status;
- state->ctx->status = wb_cmd_lookupsid_recv(ctx, state, &name);
- if (!composite_is_ok(state->ctx)) return;
+ status = wb_cmd_lookupsid_recv(ctx, state, &name);
+ if (tevent_req_nterror(req, status)) {
+ return;
+ }
if (name->type == SID_NAME_UNKNOWN) {
- composite_error(state->ctx, NT_STATUS_NO_SUCH_DOMAIN);
+ tevent_req_nterror(req, NT_STATUS_NO_SUCH_DOMAIN);
return;
}
if (name->type != SID_NAME_DOMAIN) {
- state->sid->num_auths -= 1;
+ state->sid.num_auths -= 1;
}
ctx = wb_trusted_dom_info_send(state, state->service, name->domain,
- state->sid);
-
- composite_continue(state->ctx, ctx, sid2domain_recv_trusted_dom_info,
- state);
+ &state->sid);
+ if (tevent_req_nomem(ctx, req)) {
+ return;
+ }
+ ctx->async.fn = wb_sid2domain_recv_trusted_dom_info;
+ ctx->async.private_data = req;
}
-static void sid2domain_recv_trusted_dom_info(struct composite_context *ctx)
+static void wb_sid2domain_recv_trusted_dom_info(struct composite_context *ctx)
{
- struct sid2domain_state *state =
- talloc_get_type(ctx->async.private_data,
- struct sid2domain_state);
+ struct tevent_req *req =
+ talloc_get_type_abort(ctx->async.private_data,
+ struct tevent_req);
+ struct wb_sid2domain_state *state =
+ tevent_req_data(req,
+ struct wb_sid2domain_state);
struct wb_dom_info *info;
+ NTSTATUS status;
- state->ctx->status = wb_trusted_dom_info_recv(ctx, state, &info);
- if (!composite_is_ok(state->ctx)) return;
+ status = wb_trusted_dom_info_recv(ctx, state, &info);
+ if (tevent_req_nterror(req, status)) {
+ return;
+ }
ctx = wb_init_domain_send(state, state->service, info);
-
- composite_continue(state->ctx, ctx, sid2domain_recv_init, state);
+ if (tevent_req_nomem(ctx, req)) {
+ return;
+ }
+ ctx->async.fn = wb_sid2domain_recv_init;
+ ctx->async.private_data = req;
}
-static void sid2domain_recv_init(struct composite_context *ctx)
+static void wb_sid2domain_recv_init(struct composite_context *ctx)
{
- struct sid2domain_state *state =
- talloc_get_type(ctx->async.private_data,
- struct sid2domain_state);
+ struct tevent_req *req =
+ talloc_get_type_abort(ctx->async.private_data,
+ struct tevent_req);
+ struct wb_sid2domain_state *state =
+ tevent_req_data(req,
+ struct wb_sid2domain_state);
struct wbsrv_domain *existing;
+ NTSTATUS status;
- state->ctx->status = wb_init_domain_recv(ctx, state,
- &state->domain);
- if (!composite_is_ok(state->ctx)) {
+ status = wb_init_domain_recv(ctx, state, &state->domain);
+ if (tevent_req_nterror(req, status)) {
DEBUG(10, ("Could not init domain\n"));
return;
}
- existing = find_domain_from_sid(state->service, state->sid);
+ existing = find_domain_from_sid(state->service, &state->sid);
if (existing != NULL) {
DEBUG(5, ("Initialized domain twice, dropping second one\n"));
talloc_free(state->domain);
state->domain = existing;
+ } else {
+ talloc_steal(state->service, state->domain);
+ DLIST_ADD(state->service->domains, state->domain);
+ }
+
+ tevent_req_done(req);
+}
+
+static NTSTATUS _wb_sid2domain_recv(struct tevent_req *req,
+ struct wbsrv_domain **result)
+{
+ struct wb_sid2domain_state *state =
+ tevent_req_data(req,
+ struct wb_sid2domain_state);
+ NTSTATUS status;
+
+ if (tevent_req_is_nterror(req, &status)) {
+ tevent_req_received(req);
+ return status;
}
- talloc_steal(state->service, state->domain);
- DLIST_ADD(state->service->domains, state->domain);
+ *result = state->domain;
+ tevent_req_received(req);
+ return NT_STATUS_OK;
+}
+
+struct sid2domain_state {
+ struct composite_context *ctx;
+ struct wbsrv_domain *domain;
+};
+
+static void sid2domain_recv_domain(struct tevent_req *subreq);
+
+struct composite_context *wb_sid2domain_send(TALLOC_CTX *mem_ctx,
+ struct wbsrv_service *service,
+ const struct dom_sid *sid)
+{
+ struct composite_context *result;
+ struct sid2domain_state *state;
+ struct tevent_req *subreq;
+
+ DEBUG(5, ("wb_sid2domain_send called\n"));
+ result = composite_create(mem_ctx, service->task->event_ctx);
+ if (result == NULL) goto failed;
+
+ state = talloc(result, struct sid2domain_state);
+ if (state == NULL) goto failed;
+ state->ctx = result;
+ result->private_data = state;
+
+ subreq = _wb_sid2domain_send(state,
+ result->event_ctx,
+ service, sid);
+ if (subreq == NULL) goto failed;
+ tevent_req_set_callback(subreq, sid2domain_recv_domain, state);
+
+ return result;
+
+ failed:
+ talloc_free(result);
+ return NULL;
+
+}
+
+static void sid2domain_recv_domain(struct tevent_req *subreq)
+{
+ struct sid2domain_state *state =
+ tevent_req_callback_data(subreq,
+ struct sid2domain_state);
+
+ state->ctx->status = _wb_sid2domain_recv(subreq, &state->domain);
+ TALLOC_FREE(subreq);
+ if (!composite_is_ok(state->ctx)) return;
composite_done(state->ctx);
}