s3:winbind: Add async wb_dsgetdcname

diff --git a/source3/Makefile.in b/source3/Makefile.in
index 7a07350876a894626685e9f00f7ce193023f258f..221b965cab43ed188bbf92f908a4885a40823d31 100644 (file)
--- a/source3/Makefile.in
+++ b/source3/Makefile.in
@@ -1182,6 +1182,7 @@ WINBINDD_OBJ1 = \
                winbindd/wb_query_user_list.o \
                winbindd/wb_fill_pwent.o \
                winbindd/wb_next_pwent.o \
+               winbindd/wb_dsgetdcname.o \
                winbindd/winbindd_lookupsid.o \
                winbindd/winbindd_lookupname.o \
                winbindd/winbindd_sid_to_uid.o \

diff --git a/source3/winbindd/wb_dsgetdcname.c b/source3/winbindd/wb_dsgetdcname.c
new file mode 100644 (file)
index 0000000..994d14e
--- /dev/null
+++ b/source3/winbindd/wb_dsgetdcname.c
@@ -0,0 +1,115 @@
+/*
+   Unix SMB/CIFS implementation.
+   async dsgetdcname
+   Copyright (C) Volker Lendecke 2009
+
+   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"
+#include "librpc/gen_ndr/cli_wbint.h"
+
+struct wb_dsgetdcname_state {
+       struct netr_DsRGetDCNameInfo *dcinfo;
+};
+
+static void wb_dsgetdcname_done(struct tevent_req *subreq);
+
+struct tevent_req *wb_dsgetdcname_send(TALLOC_CTX *mem_ctx,
+                                      struct tevent_context *ev,
+                                      const char *domain_name,
+                                      const struct GUID *domain_guid,
+                                      const char *site_name,
+                                      uint32_t flags)
+{
+       struct tevent_req *req, *subreq;
+       struct wb_dsgetdcname_state *state;
+       struct winbindd_child *child;
+       struct GUID guid;
+       struct GUID *guid_ptr = NULL;
+
+       req = tevent_req_create(mem_ctx, &state, struct wb_dsgetdcname_state);
+       if (req == NULL) {
+               return NULL;
+       }
+
+       if (strequal(domain_name, "BUILTIN")
+           || strequal(domain_name, get_global_sam_name())) {
+               /*
+                * Two options here: Give back our own address, or say there's
+                * nobody around. Right now opting for the latter, one measure
+                * to prevent the loopback connects. This might change if
+                * needed.
+                */
+               tevent_req_nterror(req, NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND);
+               return tevent_req_post(req, ev);
+       }
+
+       if (IS_DC) {
+               /*
+                * We have to figure out the DC ourselves
+                */
+               child = locator_child();
+       } else {
+               struct winbindd_domain *domain = find_our_domain();
+               child = &domain->child;
+       }
+
+       if (domain_guid != NULL) {
+               /* work around a const issue in rpccli_ autogenerated code */
+               guid = *domain_guid;
+               guid_ptr = &guid;
+       }
+
+       subreq = rpccli_wbint_DsGetDcName_send(
+               state, ev, child->rpccli, domain_name, guid_ptr, site_name,
+               flags, &state->dcinfo);
+       if (tevent_req_nomem(subreq, req)) {
+               return tevent_req_post(req, ev);
+       }
+       tevent_req_set_callback(subreq, wb_dsgetdcname_done, req);
+       return req;
+}
+
+static void wb_dsgetdcname_done(struct tevent_req *subreq)
+{
+       struct tevent_req *req = tevent_req_callback_data(
+               subreq, struct tevent_req);
+       struct wb_dsgetdcname_state *state = tevent_req_data(
+               req, struct wb_dsgetdcname_state);
+       NTSTATUS status, result;
+
+       status = rpccli_wbint_DsGetDcName_recv(subreq, state, &result);
+       TALLOC_FREE(subreq);
+       if (!NT_STATUS_IS_OK(status)) {
+               tevent_req_nterror(req, status);
+               return;
+       }
+       tevent_req_done(req);
+}
+
+NTSTATUS wb_dsgetdcname_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
+                            struct netr_DsRGetDCNameInfo **pdcinfo)
+{
+       struct wb_dsgetdcname_state *state = tevent_req_data(
+               req, struct wb_dsgetdcname_state);
+       NTSTATUS status;
+
+       if (tevent_req_is_nterror(req, &status)) {
+               return status;
+       }
+       *pdcinfo = talloc_move(mem_ctx, &state->dcinfo);
+       return NT_STATUS_OK;
+}

diff --git a/source3/winbindd/winbindd_proto.h b/source3/winbindd/winbindd_proto.h
index 59acdbb47e07714163e901f9c3a2f73387dc9c71..bf1e8a297d8cfabd753e1d27ab2b774ca2494b2f 100644 (file)
--- a/source3/winbindd/winbindd_proto.h
+++ b/source3/winbindd/winbindd_proto.h
@@ -896,4 +896,13 @@ struct tevent_req *winbindd_dsgetdcname_send(TALLOC_CTX *mem_ctx,
 NTSTATUS winbindd_dsgetdcname_recv(struct tevent_req *req,
                                   struct winbindd_response *response);
 
+struct tevent_req *wb_dsgetdcname_send(TALLOC_CTX *mem_ctx,
+                                      struct tevent_context *ev,
+                                      const char *domain_name,
+                                      const struct GUID *domain_guid,
+                                      const char *site_name,
+                                      uint32_t flags);
+NTSTATUS wb_dsgetdcname_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
+                            struct netr_DsRGetDCNameInfo **pdcinfo);
+
 #endif /*  _WINBINDD_PROTO_H_  */