From 4f5791ebd03eaec1c7da0865a383175b05102712 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 5 May 2024 19:47:29 +0200
Subject: Adding upstream version 2:4.17.12+dfsg.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 source4/libcli/wbclient/wbclient.c | 193 +++++++++++++++++++++++++++++++++++++
 1 file changed, 193 insertions(+)
 create mode 100644 source4/libcli/wbclient/wbclient.c

(limited to 'source4/libcli/wbclient/wbclient.c')

diff --git a/source4/libcli/wbclient/wbclient.c b/source4/libcli/wbclient/wbclient.c
new file mode 100644
index 0000000..69d8b43
--- /dev/null
+++ b/source4/libcli/wbclient/wbclient.c
@@ -0,0 +1,193 @@
+/*
+   Unix SMB/CIFS implementation.
+
+   Winbind client library.
+
+   Copyright (C) 2008 Kai Blin  <kai@samba.org>
+
+   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 <tevent.h>
+#include "nsswitch/winbind_client.h"
+#include "libcli/wbclient/wbclient.h"
+#include "libcli/security/dom_sid.h"
+#include "nsswitch/libwbclient/wbclient.h"
+
+NTSTATUS wbc_sids_to_xids(struct id_map *ids, uint32_t count)
+{
+	TALLOC_CTX *mem_ctx;
+	uint32_t i;
+	struct wbcDomainSid *sids;
+	struct wbcUnixId *xids;
+	wbcErr result;
+	bool wb_off;
+
+	mem_ctx = talloc_new(NULL);
+	if (mem_ctx == NULL) {
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	sids = talloc_array(mem_ctx, struct wbcDomainSid, count);
+	if (sids == NULL) {
+		TALLOC_FREE(mem_ctx);
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	xids = talloc_array(mem_ctx, struct wbcUnixId, count);
+	if (xids == NULL) {
+		TALLOC_FREE(mem_ctx);
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	for (i=0; i<count; i++) {
+		memcpy(&sids[i], ids[i].sid, sizeof(struct dom_sid));
+	}
+
+	wb_off = winbind_env_set();
+	if (wb_off) {
+		(void)winbind_on();
+	}
+
+	result = wbcSidsToUnixIds(sids, count, xids);
+
+	if (wb_off) {
+		(void)winbind_off();
+	}
+
+	if (!WBC_ERROR_IS_OK(result)) {
+		TALLOC_FREE(mem_ctx);
+		return NT_STATUS_INTERNAL_ERROR;
+	}
+
+	for (i=0; i<count; i++) {
+		struct wbcUnixId *xid = &xids[i];
+		struct unixid *id = &ids[i].xid;
+
+		switch (xid->type) {
+		    case WBC_ID_TYPE_UID:
+			id->type = ID_TYPE_UID;
+			id->id = xid->id.uid;
+			break;
+		    case WBC_ID_TYPE_GID:
+			id->type = ID_TYPE_GID;
+			id->id = xid->id.gid;
+			break;
+		    case WBC_ID_TYPE_BOTH:
+			id->type = ID_TYPE_BOTH;
+			id->id = xid->id.uid;
+			break;
+		    case WBC_ID_TYPE_NOT_SPECIFIED:
+			id->type = ID_TYPE_NOT_SPECIFIED;
+			id->id = UINT32_MAX;
+			break;
+		}
+		ids[i].status = ID_MAPPED;
+	}
+
+	TALLOC_FREE(mem_ctx);
+
+	return NT_STATUS_OK;
+}
+
+NTSTATUS wbc_xids_to_sids(struct id_map *ids, uint32_t count)
+{
+	TALLOC_CTX *mem_ctx;
+	uint32_t i;
+	struct wbcDomainSid *sids;
+	struct wbcUnixId *xids;
+	wbcErr result;
+	bool wb_off;
+
+	mem_ctx = talloc_new(NULL);
+	if (mem_ctx == NULL) {
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	sids = talloc_array(mem_ctx, struct wbcDomainSid, count);
+	if (sids == NULL) {
+		TALLOC_FREE(mem_ctx);
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	xids = talloc_array(mem_ctx, struct wbcUnixId, count);
+	if (xids == NULL) {
+		TALLOC_FREE(mem_ctx);
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	for (i=0; i<count; i++) {
+		struct id_map *id = &ids[i];
+		struct wbcUnixId *xid = &xids[i];
+
+		switch (id->xid.type) {
+		    case ID_TYPE_UID:
+			    *xid = (struct wbcUnixId) {
+				    .type = WBC_ID_TYPE_UID,
+				    .id.uid = id->xid.id
+			    };
+			    break;
+		    case ID_TYPE_GID:
+			    *xid = (struct wbcUnixId) {
+				    .type = WBC_ID_TYPE_GID,
+				    .id.uid = id->xid.id
+			    };
+			    break;
+		    default:
+			    TALLOC_FREE(mem_ctx);
+			    return NT_STATUS_NOT_FOUND;
+		}
+	}
+
+	wb_off = winbind_env_set();
+	if (wb_off) {
+		(void)winbind_on();
+	}
+
+	result = wbcUnixIdsToSids(xids, count, sids);
+
+	if (wb_off) {
+		(void)winbind_off();
+	}
+
+	if (!WBC_ERROR_IS_OK(result)) {
+		TALLOC_FREE(mem_ctx);
+		return NT_STATUS_INTERNAL_ERROR;
+	}
+
+	for (i=0; i<count; i++) {
+		struct wbcDomainSid *sid = &sids[i];
+		struct wbcDomainSid null_sid = { 0 };
+		struct id_map *id = &ids[i];
+
+		if (memcmp(sid, &null_sid, sizeof(*sid)) != 0) {
+			struct dom_sid domsid;
+			id->status = ID_MAPPED;
+
+			memcpy(&domsid, sid, sizeof(struct dom_sid));
+			id->sid = dom_sid_dup(ids, &domsid);
+			if (id->sid == NULL) {
+				TALLOC_FREE(mem_ctx);
+				return NT_STATUS_NO_MEMORY;
+			}
+		} else {
+			id->status = ID_UNMAPPED;
+			id->sid = NULL;
+		}
+	}
+
+	TALLOC_FREE(mem_ctx);
+	return NT_STATUS_OK;
+}
-- 
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