From 75c9979b54eef493e865068eae4ae72e551136de Mon Sep 17 00:00:00 2001
From: matt335672 <30179339+matt335672@users.noreply.github.com>
Date: Mon, 20 Mar 2023 15:12:33 +0000
Subject: [PATCH] Add new files to libsesman

---
 sesman/libsesman/sesman_clip_restrict.c | 88 +++++++++++++++++++++++++
 sesman/libsesman/sesman_clip_restrict.h | 59 +++++++++++++++++
 2 files changed, 147 insertions(+)
 create mode 100644 sesman/libsesman/sesman_clip_restrict.c
 create mode 100644 sesman/libsesman/sesman_clip_restrict.h

diff --git a/sesman/libsesman/sesman_clip_restrict.c b/sesman/libsesman/sesman_clip_restrict.c
new file mode 100644
index 00000000..7f0fa3ce
--- /dev/null
+++ b/sesman/libsesman/sesman_clip_restrict.c
@@ -0,0 +1,88 @@
+/**
+ * xrdp: A Remote Desktop Protocol server.
+ *
+ * Copyright (C) Jay Sorg 2004-2013
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ *
+ * @file sesman_clip_restrict.c
+ * @brief Routine for parsing clip restrict strings
+ *
+ */
+
+#if defined(HAVE_CONFIG_H)
+#include <config_ac.h>
+#endif
+
+#include <stdio.h>
+
+#include "arch.h"
+#include "sesman_clip_restrict.h"
+#include "string_calls.h"
+
+/*
+  Map clipboard strings into bitmask values.
+*/
+static const struct bitmask_string clip_restrict_map[] =
+{
+    { CLIP_RESTRICT_TEXT, "text"},
+    { CLIP_RESTRICT_FILE, "file"},
+    { CLIP_RESTRICT_IMAGE, "image"},
+    { CLIP_RESTRICT_ALL, "all"},
+    { CLIP_RESTRICT_NONE, "none"},
+    /* Compatibility values */
+    { CLIP_RESTRICT_ALL, "true"},
+    { CLIP_RESTRICT_ALL, "yes"},
+    { CLIP_RESTRICT_NONE, "false"},
+    BITMASK_STRING_END_OF_LIST
+};
+
+/******************************************************************************/
+int
+sesman_clip_restrict_string_to_bitmask(
+    const char *inputstr,
+    char *unrecognised,
+    unsigned int unrecognised_len)
+{
+    return g_str_to_bitmask(inputstr, clip_restrict_map, ",",
+                            unrecognised, unrecognised_len);
+}
+
+/******************************************************************************/
+int
+sesman_clip_restrict_mask_to_string(
+    int mask,
+    char output[],
+    unsigned int output_len)
+{
+    int rv;
+
+    if (mask == CLIP_RESTRICT_NONE)
+    {
+        rv = snprintf(output, output_len, "none");
+    }
+    else if (mask == CLIP_RESTRICT_ALL)
+    {
+        rv = snprintf(output, output_len, "all");
+    }
+    else
+    {
+        rv = g_bitmask_to_str(mask, clip_restrict_map, ',', output, output_len);
+    }
+
+    return rv;
+}
+
diff --git a/sesman/libsesman/sesman_clip_restrict.h b/sesman/libsesman/sesman_clip_restrict.h
new file mode 100644
index 00000000..28db99e9
--- /dev/null
+++ b/sesman/libsesman/sesman_clip_restrict.h
@@ -0,0 +1,59 @@
+/**
+ * xrdp: A Remote Desktop Protocol server.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * This file contains the chansrv configuration parameters from sesman.ini
+ */
+
+#ifndef SESMAN_CLIP_RESTRICT_H
+#define SESMAN_CLIP_RESTRICT_H
+
+#define CLIP_RESTRICT_NONE 0
+#define CLIP_RESTRICT_TEXT (1<<0)
+#define CLIP_RESTRICT_FILE (1<<1)
+#define CLIP_RESTRICT_IMAGE (1<<2)
+#define CLIP_RESTRICT_ALL 0x7fffffff
+
+/**
+ * Converts a sesman clip restrict string to a bitmask
+ *
+ * @param inputstr Input string
+ * @param unrecognised buffer for unrecognised tokens
+ * @param unrecognised_len Length of the above
+ * @return Bitmask
+ *
+ * The input is a comma-separated list of tokens as documented in
+ * the sesman.ini manpage */
+int
+sesman_clip_restrict_string_to_bitmask(
+    const char *inputstr,
+    char *unrecognised,
+    unsigned int unrecognised_len);
+
+/**
+ * Converts a sesman clip restrict bitmask to a string
+ *
+ * @param mask Input mask
+ * @param output buffer for output string
+ * @param output_len Length of the above
+ * @return Length as for snprintf()
+ */
+int
+sesman_clip_restrict_mask_to_string(
+    int mask,
+    char output[],
+    unsigned int output_len);
+
+#endif /* SESMAN_CLIP_RESTRICT_H */
+