Adding upstream version 3.3.0+dfsg1.upstream/3.3.0+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 97 insertions, 0 deletions

diff --git a/include/freerdp/crypto/er.h b/include/freerdp/crypto/er.h
new file mode 100644
index 0000000..d981b4e
--- /dev/null
+++ b/include/freerdp/crypto/er.h
@@ -0,0 +1,97 @@
+/**
+ * FreeRDP: A Remote Desktop Protocol Implementation
+ * ASN.1 Encoding Rules (BER/DER common functions)
+ *
+ * Copyright 2011 Marc-Andre Moreau <marcandre.moreau@gmail.com>
+ * Modified by Jiten Pathy
+ *
+ * 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.
+ */
+
+#ifndef FREERDP_CRYPTO_ER_H
+#define FREERDP_CRYPTO_ER_H
+
+#include <freerdp/api.h>
+#include <freerdp/types.h>
+
+#include <winpr/stream.h>
+
+/* ER type */
+
+/* Class - bits 8 and 7 */
+#define ER_CLASS_MASK 0xC0
+#define ER_CLASS_UNIV 0x00 /* 0 0 */
+#define ER_CLASS_APPL 0x40 /* 0 1 */
+#define ER_CLASS_CTXT 0x80 /* 1 0 */
+#define ER_CLASS_PRIV 0xC0 /* 1 1 */
+
+/* P/C - bit 6 */
+#define ER_PC_MASK 0x20
+#define ER_PRIMITIVE 0x00 /* 0 */
+#define ER_CONSTRUCT 0x20 /* 1 */
+
+/* Tag - bits 5 to 1 */
+#define ER_TAG_MASK 0x1F
+#define ER_TAG_BOOLEAN 0x01
+#define ER_TAG_INTEGER 0x02
+#define ER_TAG_BIT_STRING 0x03
+#define ER_TAG_OCTET_STRING 0x04
+#define ER_TAG_OBJECT_IDENTIFIER 0x06
+#define ER_TAG_ENUMERATED 0x0A
+#define ER_TAG_SEQUENCE 0x10
+#define ER_TAG_SEQUENCE_OF 0x10
+#define ER_TAG_GENERAL_STRING 0x1B
+#define ER_TAG_GENERALIZED_TIME 0x18
+
+#define ER_PC(_pc) (_pc ? ER_CONSTRUCT : ER_PRIMITIVE)
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+	FREERDP_API void er_read_length(wStream* s, int* length);
+	FREERDP_API int er_write_length(wStream* s, int length, BOOL flag);
+	FREERDP_API int _er_skip_length(int length);
+	FREERDP_API int er_get_content_length(int length);
+	FREERDP_API BOOL er_read_universal_tag(wStream* s, BYTE tag, BOOL pc);
+	FREERDP_API void er_write_universal_tag(wStream* s, BYTE tag, BOOL pc);
+	FREERDP_API BOOL er_read_application_tag(wStream* s, BYTE tag, int* length);
+	FREERDP_API void er_write_application_tag(wStream* s, BYTE tag, int length, BOOL flag);
+	FREERDP_API BOOL er_read_enumerated(wStream* s, BYTE* enumerated, BYTE count);
+	FREERDP_API void er_write_enumerated(wStream* s, BYTE enumerated, BYTE count, BOOL flag);
+	FREERDP_API BOOL er_read_contextual_tag(wStream* s, BYTE tag, int* length, BOOL pc);
+	FREERDP_API int er_write_contextual_tag(wStream* s, BYTE tag, int length, BOOL pc, BOOL flag);
+	FREERDP_API int er_skip_contextual_tag(int length);
+	FREERDP_API BOOL er_read_sequence_tag(wStream* s, int* length);
+	FREERDP_API int er_write_sequence_tag(wStream* s, int length, BOOL flag);
+	FREERDP_API int er_skip_sequence(int length);
+	FREERDP_API int er_skip_sequence_tag(int length);
+	FREERDP_API BOOL er_read_bit_string(wStream* s, int* length, BYTE* padding);
+	FREERDP_API BOOL er_write_bit_string_tag(wStream* s, UINT32 length, BYTE padding, BOOL flag);
+	FREERDP_API BOOL er_read_octet_string(wStream* s, int* length);
+	FREERDP_API void er_write_octet_string(wStream* s, BYTE* oct_str, int length, BOOL flag);
+	FREERDP_API int er_write_octet_string_tag(wStream* s, int length, BOOL flag);
+	FREERDP_API int er_skip_octet_string(int length);
+	FREERDP_API BOOL er_read_BOOL(wStream* s, BOOL* value);
+	FREERDP_API void er_write_BOOL(wStream* s, BOOL value);
+	FREERDP_API BOOL er_read_integer(wStream* s, UINT32* value);
+	FREERDP_API int er_write_integer(wStream* s, INT32 value);
+	FREERDP_API BOOL er_read_integer_length(wStream* s, int* length);
+	FREERDP_API int er_skip_integer(INT32 value);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* FREERDP_CRYPTO_ER_H */