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authorVolker Lendecke <vl@samba.org>2009-08-17 22:50:39 +0200
committerVolker Lendecke <vl@samba.org>2009-08-29 19:42:26 +0200
commit6e2bf7e23480cb467288adac145ec2853aeaa11d (patch)
treefc52f0a5d9aa9b7928dc1cc5701f215c8e98550e
parent91588e6e8f01eee824f7a07d85247ac5a6cd8f9c (diff)
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s3:winbind: Add async next_pwent
-rw-r--r--source3/Makefile.in1
-rw-r--r--source3/winbindd/wb_next_pwent.c150
-rw-r--r--source3/winbindd/winbindd.h7
-rw-r--r--source3/winbindd/winbindd_proto.h6
4 files changed, 164 insertions, 0 deletions
diff --git a/source3/Makefile.in b/source3/Makefile.in
index 4304df6e37..c930f2af3c 100644
--- a/source3/Makefile.in
+++ b/source3/Makefile.in
@@ -1181,6 +1181,7 @@ WINBINDD_OBJ1 = \
winbindd/wb_getgrsid.o \
winbindd/wb_query_user_list.o \
winbindd/wb_fill_pwent.o \
+ winbindd/wb_next_pwent.o \
winbindd/winbindd_lookupsid.o \
winbindd/winbindd_lookupname.o \
winbindd/winbindd_sid_to_uid.o \
diff --git a/source3/winbindd/wb_next_pwent.c b/source3/winbindd/wb_next_pwent.c
new file mode 100644
index 0000000000..25ab7b38d3
--- /dev/null
+++ b/source3/winbindd/wb_next_pwent.c
@@ -0,0 +1,150 @@
+/*
+ Unix SMB/CIFS implementation.
+ async next_pwent
+ 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_next_pwent_state {
+ struct tevent_context *ev;
+ struct getpwent_state *gstate;
+ struct winbindd_pw *pw;
+};
+
+static void wb_next_pwent_fetch_done(struct tevent_req *subreq);
+static void wb_next_pwent_fill_done(struct tevent_req *subreq);
+
+struct tevent_req *wb_next_pwent_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct getpwent_state *gstate,
+ struct winbindd_pw *pw)
+{
+ struct tevent_req *req, *subreq;
+ struct wb_next_pwent_state *state;
+
+ req = tevent_req_create(mem_ctx, &state, struct wb_next_pwent_state);
+ if (req == NULL) {
+ return NULL;
+ }
+ state->ev = ev;
+ state->gstate = gstate;
+ state->pw = pw;
+
+ if (state->gstate->next_user >= state->gstate->num_users) {
+ TALLOC_FREE(state->gstate->users);
+
+ if (state->gstate->domain == NULL) {
+ state->gstate->domain = domain_list();
+ } else {
+ state->gstate->domain = state->gstate->domain->next;
+ }
+
+ if (state->gstate->domain == NULL) {
+ tevent_req_nterror(req, NT_STATUS_NO_MORE_ENTRIES);
+ return tevent_req_post(req, ev);
+ }
+ subreq = wb_query_user_list_send(state, state->ev,
+ state->gstate->domain);
+ if (tevent_req_nomem(subreq, req)) {
+ return tevent_req_post(req, ev);
+ }
+ tevent_req_set_callback(subreq, wb_next_pwent_fetch_done, req);
+ return req;
+ }
+
+ subreq = wb_fill_pwent_send(
+ state, state->ev,
+ &state->gstate->users[state->gstate->next_user],
+ state->pw);
+ if (tevent_req_nomem(subreq, req)) {
+ return tevent_req_post(req, ev);
+ }
+ tevent_req_set_callback(subreq, wb_next_pwent_fill_done, req);
+ return req;
+}
+
+static void wb_next_pwent_fetch_done(struct tevent_req *subreq)
+{
+ struct tevent_req *req = tevent_req_callback_data(
+ subreq, struct tevent_req);
+ struct wb_next_pwent_state *state = tevent_req_data(
+ req, struct wb_next_pwent_state);
+ NTSTATUS status;
+
+ status = wb_query_user_list_recv(subreq, state->gstate,
+ &state->gstate->num_users,
+ &state->gstate->users);
+ TALLOC_FREE(subreq);
+ if (!NT_STATUS_IS_OK(status)) {
+ /* Ignore errors here, just log it */
+ DEBUG(10, ("query_user_list for domain %s returned %s\n",
+ state->gstate->domain->name,
+ nt_errstr(status)));
+ state->gstate->num_users = 0;
+ }
+
+ if (state->gstate->num_users == 0) {
+ state->gstate->domain = state->gstate->domain->next;
+ if (state->gstate->domain == NULL) {
+ tevent_req_nterror(req, NT_STATUS_NO_MORE_ENTRIES);
+ return;
+ }
+ subreq = wb_query_user_list_send(state, state->ev,
+ state->gstate->domain);
+ if (tevent_req_nomem(subreq, req)) {
+ return;
+ }
+ tevent_req_set_callback(subreq, wb_next_pwent_fetch_done, req);
+ return;
+ }
+
+ state->gstate->next_user = 0;
+
+ subreq = wb_fill_pwent_send(
+ state, state->ev,
+ &state->gstate->users[state->gstate->next_user],
+ state->pw);
+ if (tevent_req_nomem(subreq, req)) {
+ return;
+ }
+ tevent_req_set_callback(subreq, wb_next_pwent_fill_done, req);
+}
+
+static void wb_next_pwent_fill_done(struct tevent_req *subreq)
+{
+ struct tevent_req *req = tevent_req_callback_data(
+ subreq, struct tevent_req);
+ struct wb_next_pwent_state *state = tevent_req_data(
+ req, struct wb_next_pwent_state);
+ NTSTATUS status;
+
+ status = wb_fill_pwent_recv(subreq);
+ TALLOC_FREE(subreq);
+ if (!NT_STATUS_IS_OK(status)) {
+ tevent_req_nterror(req, status);
+ return;
+ }
+ state->gstate->next_user += 1;
+ tevent_req_done(req);
+}
+
+NTSTATUS wb_next_pwent_recv(struct tevent_req *req)
+{
+ return tevent_req_simple_recv_ntstatus(req);
+}
diff --git a/source3/winbindd/winbindd.h b/source3/winbindd/winbindd.h
index 773496e8ad..454fea70e6 100644
--- a/source3/winbindd/winbindd.h
+++ b/source3/winbindd/winbindd.h
@@ -79,6 +79,13 @@ struct getent_state {
fstring domain_name;
};
+struct getpwent_state {
+ struct winbindd_domain *domain;
+ int next_user;
+ int num_users;
+ struct wbint_userinfo *users;
+};
+
/* Storage for cached getpwent() user entries */
struct getpwent_user {
diff --git a/source3/winbindd/winbindd_proto.h b/source3/winbindd/winbindd_proto.h
index 58a46b5215..f66becae33 100644
--- a/source3/winbindd/winbindd_proto.h
+++ b/source3/winbindd/winbindd_proto.h
@@ -862,5 +862,11 @@ struct tevent_req *wb_fill_pwent_send(TALLOC_CTX *mem_ctx,
struct winbindd_pw *pw);
NTSTATUS wb_fill_pwent_recv(struct tevent_req *req);
+struct tevent_req *wb_next_pwent_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct getpwent_state *gstate,
+ struct winbindd_pw *pw);
+NTSTATUS wb_next_pwent_recv(struct tevent_req *req);
+
#endif /* _WINBINDD_PROTO_H_ */