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-rw-r--r--source3/winbindd/wb_sid2uid.c168
-rw-r--r--source3/winbindd/winbindd_dual_srv.c14
-rw-r--r--source3/winbindd/winbindd_proto.h7
3 files changed, 189 insertions, 0 deletions
diff --git a/source3/winbindd/wb_sid2uid.c b/source3/winbindd/wb_sid2uid.c
new file mode 100644
index 0000000000..abfe257bfa
--- /dev/null
+++ b/source3/winbindd/wb_sid2uid.c
@@ -0,0 +1,168 @@
+/*
+ Unix SMB/CIFS implementation.
+ async sid2uid
+ 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_sid2uid_state {
+ struct tevent_context *ev;
+ struct dom_sid sid;
+ char *dom_name;
+ uint64 uid64;
+ uid_t uid;
+};
+
+static void wb_sid2uid_lookup_done(struct tevent_req *subreq);
+static void wb_sid2uid_done(struct tevent_req *subreq);
+
+struct tevent_req *wb_sid2uid_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ const struct dom_sid *sid)
+{
+ struct tevent_req *req, *subreq;
+ struct wb_sid2uid_state *state;
+ bool expired;
+
+ req = tevent_req_create(mem_ctx, &state, struct wb_sid2uid_state);
+ if (req == NULL) {
+ return NULL;
+ }
+ sid_copy(&state->sid, sid);
+ state->ev = ev;
+
+ if (winbindd_use_idmap_cache()
+ && idmap_cache_find_sid2uid(sid, &state->uid, &expired)) {
+
+ DEBUG(10, ("idmap_cache_find_sid2uid found %d%s\n",
+ (int)state->uid, expired ? " (expired)": ""));
+
+ if (!expired || IS_DOMAIN_OFFLINE(find_our_domain())) {
+ if (state->uid == -1) {
+ tevent_req_nterror(req, NT_STATUS_NONE_MAPPED);
+ } else {
+ tevent_req_done(req);
+ }
+ return tevent_req_post(req, ev);
+ }
+ }
+
+ /*
+ * We need to make sure the sid is of the right type to not flood
+ * idmap with wrong entries
+ */
+
+ subreq = wb_lookupsid_send(state, ev, &state->sid);
+ if (tevent_req_nomem(subreq, req)) {
+ return tevent_req_post(req, ev);
+ }
+ tevent_req_set_callback(subreq, wb_sid2uid_lookup_done, req);
+ return req;
+}
+
+static void wb_sid2uid_lookup_done(struct tevent_req *subreq)
+{
+ struct tevent_req *req = tevent_req_callback_data(
+ subreq, struct tevent_req);
+ struct wb_sid2uid_state *state = tevent_req_data(
+ req, struct wb_sid2uid_state);
+ struct winbindd_domain *domain;
+ const char *domname;
+ const char *name;
+ enum lsa_SidType type;
+ NTSTATUS status;
+ struct winbindd_child *child;
+
+ status = wb_lookupsid_recv(subreq, talloc_tos(), &type, &domname,
+ &name);
+ if (!NT_STATUS_IS_OK(status)) {
+ tevent_req_nterror(req, status);
+ return;
+ }
+
+ if ((type != SID_NAME_USER) && (type != SID_NAME_COMPUTER)) {
+ DEBUG(5, ("Sid %s is not a user or a computer.\n",
+ sid_string_dbg(&state->sid)));
+ /*
+ * We have to set the cache ourselves here, the child
+ * which is normally responsible was not queried yet.
+ */
+ idmap_cache_set_sid2uid(&state->sid, -1);
+ tevent_req_nterror(req, NT_STATUS_INVALID_SID);
+ return;
+ }
+
+ domain = find_domain_from_sid_noinit(&state->sid);
+
+ /*
+ * TODO: Issue a gettrustinfo here in case we don't have "domain" yet?
+ */
+
+ if ((domain != NULL) && domain->have_idmap_config) {
+ state->dom_name = domain->name;
+ } else {
+ state->dom_name = NULL;
+ }
+
+ child = idmap_child();
+
+ subreq = rpccli_wbint_Sid2Uid_send(state, state->ev, child->rpccli,
+ state->dom_name, &state->sid,
+ &state->uid64);
+ if (tevent_req_nomem(subreq, req)) {
+ return;
+ }
+ tevent_req_set_callback(subreq, wb_sid2uid_done, req);
+}
+
+static void wb_sid2uid_done(struct tevent_req *subreq)
+{
+ struct tevent_req *req = tevent_req_callback_data(
+ subreq, struct tevent_req);
+ struct wb_sid2uid_state *state = tevent_req_data(
+ req, struct wb_sid2uid_state);
+ NTSTATUS status, result;
+
+ status = rpccli_wbint_Sid2Uid_recv(subreq, state, &result);
+ TALLOC_FREE(subreq);
+ if (!NT_STATUS_IS_OK(status)) {
+ tevent_req_nterror(req, status);
+ return;
+ }
+ if (!NT_STATUS_IS_OK(result)) {
+ tevent_req_nterror(req, result);
+ return;
+ }
+
+ state->uid = state->uid64;
+ tevent_req_done(req);
+}
+
+NTSTATUS wb_sid2uid_recv(struct tevent_req *req, uid_t *uid)
+{
+ struct wb_sid2uid_state *state = tevent_req_data(
+ req, struct wb_sid2uid_state);
+ NTSTATUS status;
+
+ if (tevent_req_is_nterror(req, &status)) {
+ return status;
+ }
+ *uid = state->uid;
+ return NT_STATUS_OK;
+}
diff --git a/source3/winbindd/winbindd_dual_srv.c b/source3/winbindd/winbindd_dual_srv.c
index 568084fd54..3f449d5cd3 100644
--- a/source3/winbindd/winbindd_dual_srv.c
+++ b/source3/winbindd/winbindd_dual_srv.c
@@ -65,3 +65,17 @@ NTSTATUS _wbint_LookupName(pipes_struct *p, struct wbint_LookupName *r)
domain, p->mem_ctx, r->in.domain, r->in.name, r->in.flags,
r->out.sid, r->out.type);
}
+
+NTSTATUS _wbint_Sid2Uid(pipes_struct *p, struct wbint_Sid2Uid *r)
+{
+ uid_t uid;
+ NTSTATUS status;
+
+ status = idmap_sid_to_uid(r->in.dom_name ? r->in.dom_name : "",
+ r->in.sid, &uid);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+ *r->out.uid = uid;
+ return NT_STATUS_OK;
+}
diff --git a/source3/winbindd/winbindd_proto.h b/source3/winbindd/winbindd_proto.h
index 678a9231de..2a07ae2d4d 100644
--- a/source3/winbindd/winbindd_proto.h
+++ b/source3/winbindd/winbindd_proto.h
@@ -637,4 +637,11 @@ struct tevent_req *winbindd_lookupname_send(TALLOC_CTX *mem_ctx,
NTSTATUS winbindd_lookupname_recv(struct tevent_req *req,
struct winbindd_response *response);
+struct tevent_req *wb_sid2uid_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ const struct dom_sid *sid);
+NTSTATUS wb_sid2uid_recv(struct tevent_req *req, uid_t *uid);
+
+
+
#endif /* _WINBINDD_PROTO_H_ */
generated by cgit (git 2.34.1) at 2024-11-23 16:16:43 +0000