From 8daa83a594a2e98f39d764422bfbdbc62c9efd44 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Fri, 19 Apr 2024 19:20:00 +0200
Subject: Adding upstream version 2:4.20.0+dfsg.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 source3/winbindd/wb_lookupname.c | 123 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 123 insertions(+)
 create mode 100644 source3/winbindd/wb_lookupname.c

(limited to 'source3/winbindd/wb_lookupname.c')

diff --git a/source3/winbindd/wb_lookupname.c b/source3/winbindd/wb_lookupname.c
new file mode 100644
index 0000000..12dbfbe
--- /dev/null
+++ b/source3/winbindd/wb_lookupname.c
@@ -0,0 +1,123 @@
+/*
+   Unix SMB/CIFS implementation.
+   async lookupname
+   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/ndr_winbind_c.h"
+#include "../libcli/security/security.h"
+
+struct wb_lookupname_state {
+	struct tevent_context *ev;
+	const char *dom_name;
+	const char *name;
+	uint32_t flags;
+	struct dom_sid sid;
+	enum lsa_SidType type;
+};
+
+static void wb_lookupname_done(struct tevent_req *subreq);
+
+struct tevent_req *wb_lookupname_send(TALLOC_CTX *mem_ctx,
+				      struct tevent_context *ev,
+				      const char *namespace,
+				      const char *dom_name,
+				      const char *name,
+				      uint32_t flags)
+{
+	struct tevent_req *req, *subreq;
+	struct wb_lookupname_state *state;
+	struct winbindd_domain *domain;
+
+	req = tevent_req_create(mem_ctx, &state, struct wb_lookupname_state);
+	if (req == NULL) {
+		return NULL;
+	}
+
+	D_INFO("WB command lookupname start.\n"
+	       "Search namespace '%s' and domain '%s' for name '%s'.\n",
+		namespace, dom_name, name);
+	state->ev = ev;
+	state->flags = flags;
+
+	/*
+	 * Uppercase domain and name so that we become cache-friendly
+	 */
+	state->dom_name = talloc_strdup_upper(state, dom_name);
+	if (tevent_req_nomem(state->dom_name, req)) {
+		return tevent_req_post(req, ev);
+	}
+	state->name = talloc_strdup_upper(state, name);
+	if (tevent_req_nomem(state->name, req)) {
+		return tevent_req_post(req, ev);
+	}
+
+	domain = find_lookup_domain_from_name(namespace);
+	if (domain == NULL) {
+		D_WARNING("Could not find domain for %s\n", namespace);
+		tevent_req_nterror(req, NT_STATUS_NONE_MAPPED);
+		return tevent_req_post(req, ev);
+	}
+
+	subreq = dcerpc_wbint_LookupName_send(
+		state, ev, dom_child_handle(domain),
+		state->dom_name, state->name,
+		flags, &state->type, &state->sid);
+	if (tevent_req_nomem(subreq, req)) {
+		return tevent_req_post(req, ev);
+	}
+	tevent_req_set_callback(subreq, wb_lookupname_done, req);
+	return req;
+}
+
+static void wb_lookupname_done(struct tevent_req *subreq)
+{
+	struct tevent_req *req = tevent_req_callback_data(
+		subreq, struct tevent_req);
+	struct wb_lookupname_state *state = tevent_req_data(
+		req, struct wb_lookupname_state);
+	NTSTATUS status, result;
+
+	status = dcerpc_wbint_LookupName_recv(subreq, state, &result);
+	TALLOC_FREE(subreq);
+	if (any_nt_status_not_ok(status, result, &status)) {
+		tevent_req_nterror(req, status);
+		return;
+	}
+	tevent_req_done(req);
+}
+
+NTSTATUS wb_lookupname_recv(struct tevent_req *req, struct dom_sid *sid,
+			    enum lsa_SidType *type)
+{
+	struct wb_lookupname_state *state = tevent_req_data(
+		req, struct wb_lookupname_state);
+	NTSTATUS status;
+	struct dom_sid_buf buf;
+
+	if (tevent_req_is_nterror(req, &status)) {
+		return status;
+	}
+	sid_copy(sid, &state->sid);
+	*type = state->type;
+	D_INFO("WB command lookupname end.\n"
+	       "Found SID %s with SID type %d.\n",
+	       dom_sid_str_buf(sid, &buf),
+	       *type);
+	return NT_STATUS_OK;
+}
-- 
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