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asn1.h
1
20#ifndef WINPR_ASN1_H_
21#define WINPR_ASN1_H_
22
23#include <winpr/winpr.h>
24#include <winpr/wtypes.h>
25#include <winpr/stream.h>
26
27#define ER_TAG_MASK 0x1F
28
29enum
30{
31 ER_TAG_BOOLEAN = 0x01,
32 ER_TAG_INTEGER = 0x02,
33 ER_TAG_BIT_STRING = 0x03,
34 ER_TAG_OCTET_STRING = 0x04,
35 ER_TAG_NULL = 0x05,
36 ER_TAG_OBJECT_IDENTIFIER = 0x06,
37 ER_TAG_ENUMERATED = 0x0A,
38 ER_TAG_UTF8STRING = 0x0C,
39 ER_TAG_PRINTABLE_STRING = 0x13,
40 ER_TAG_IA5STRING = 0x16,
41 ER_TAG_UTCTIME = 0x17,
42 ER_TAG_GENERAL_STRING = 0x1B,
43 ER_TAG_GENERALIZED_TIME = 0x18,
44
45 ER_TAG_APP = 0x60,
46 ER_TAG_SEQUENCE = 0x30,
47 ER_TAG_SEQUENCE_OF = 0x30,
48 ER_TAG_SET = 0x31,
49 ER_TAG_SET_OF = 0x31,
50
51 ER_TAG_CONTEXTUAL = 0xA0
52};
53
55typedef enum
56{
57 WINPR_ASN1_BER,
58 WINPR_ASN1_DER
59} WinPrAsn1EncodingRule;
60
61typedef struct WinPrAsn1Encoder WinPrAsn1Encoder;
62
63struct WinPrAsn1Decoder
64{
65 WinPrAsn1EncodingRule encoding;
66 wStream source;
67};
68
69typedef struct WinPrAsn1Decoder WinPrAsn1Decoder;
70
71typedef BYTE WinPrAsn1_tag;
72typedef BYTE WinPrAsn1_tagId;
73typedef BOOL WinPrAsn1_BOOL;
74typedef INT32 WinPrAsn1_INTEGER;
75typedef INT32 WinPrAsn1_ENUMERATED;
76typedef char* WinPrAsn1_STRING;
77typedef char* WinPrAsn1_IA5STRING;
78typedef struct
79{
80 size_t len;
81 BYTE* data;
82} WinPrAsn1_MemoryChunk;
83
84typedef WinPrAsn1_MemoryChunk WinPrAsn1_OID;
85typedef WinPrAsn1_MemoryChunk WinPrAsn1_OctetString;
86
87typedef struct
88{
89 UINT16 year;
90 UINT8 month;
91 UINT8 day;
92 UINT8 hour;
93 UINT8 minute;
94 UINT8 second;
95 char tz;
96} WinPrAsn1_UTCTIME;
97
98#ifdef __cplusplus
99extern "C"
100{
101#endif /* __cplusplus */
102
103 WINPR_API void WinPrAsn1FreeOID(WinPrAsn1_OID* poid);
104 WINPR_API void WinPrAsn1FreeOctetString(WinPrAsn1_OctetString* octets);
105
106 /* decoder functions */
107
108 WINPR_API void WinPrAsn1Decoder_Init(WinPrAsn1Decoder* dec, WinPrAsn1EncodingRule encoding,
109 wStream* source);
110 WINPR_API void WinPrAsn1Decoder_InitMem(WinPrAsn1Decoder* dec, WinPrAsn1EncodingRule encoding,
111 const BYTE* source, size_t len);
112
113 WINPR_API BOOL WinPrAsn1DecPeekTag(WinPrAsn1Decoder* dec, WinPrAsn1_tag* tag);
114 WINPR_API size_t WinPrAsn1DecReadTagAndLen(WinPrAsn1Decoder* dec, WinPrAsn1_tag* tag,
115 size_t* len);
116 WINPR_API size_t WinPrAsn1DecPeekTagAndLen(WinPrAsn1Decoder* dec, WinPrAsn1_tag* tag,
117 size_t* len);
118 WINPR_API size_t WinPrAsn1DecReadTagLenValue(WinPrAsn1Decoder* dec, WinPrAsn1_tag* tag,
119 size_t* len, WinPrAsn1Decoder* value);
120 WINPR_API size_t WinPrAsn1DecReadBoolean(WinPrAsn1Decoder* dec, WinPrAsn1_BOOL* target);
121 WINPR_API size_t WinPrAsn1DecReadInteger(WinPrAsn1Decoder* dec, WinPrAsn1_INTEGER* target);
122 WINPR_API size_t WinPrAsn1DecReadEnumerated(WinPrAsn1Decoder* dec,
123 WinPrAsn1_ENUMERATED* target);
124 WINPR_API size_t WinPrAsn1DecReadOID(WinPrAsn1Decoder* dec, WinPrAsn1_OID* target,
125 BOOL allocate);
126 WINPR_API size_t WinPrAsn1DecReadOctetString(WinPrAsn1Decoder* dec,
127 WinPrAsn1_OctetString* target, BOOL allocate);
128 WINPR_API size_t WinPrAsn1DecReadIA5String(WinPrAsn1Decoder* dec, WinPrAsn1_IA5STRING* target);
129 WINPR_API size_t WinPrAsn1DecReadGeneralString(WinPrAsn1Decoder* dec, WinPrAsn1_STRING* target);
130 WINPR_API size_t WinPrAsn1DecReadUtcTime(WinPrAsn1Decoder* dec, WinPrAsn1_UTCTIME* target);
131 WINPR_API size_t WinPrAsn1DecReadNull(WinPrAsn1Decoder* dec);
132
133 WINPR_API size_t WinPrAsn1DecReadApp(WinPrAsn1Decoder* dec, WinPrAsn1_tagId* tagId,
134 WinPrAsn1Decoder* setDec);
135 WINPR_API size_t WinPrAsn1DecReadSequence(WinPrAsn1Decoder* dec, WinPrAsn1Decoder* seqDec);
136 WINPR_API size_t WinPrAsn1DecReadSet(WinPrAsn1Decoder* dec, WinPrAsn1Decoder* setDec);
137
138 WINPR_API size_t WinPrAsn1DecReadContextualTag(WinPrAsn1Decoder* dec, WinPrAsn1_tagId* tagId,
139 WinPrAsn1Decoder* ctxtDec);
140 WINPR_API size_t WinPrAsn1DecPeekContextualTag(WinPrAsn1Decoder* dec, WinPrAsn1_tagId* tagId,
141 WinPrAsn1Decoder* ctxtDec);
142
143 WINPR_API size_t WinPrAsn1DecReadContextualBool(WinPrAsn1Decoder* dec, WinPrAsn1_tagId tagId,
144 BOOL* error, WinPrAsn1_BOOL* target);
145 WINPR_API size_t WinPrAsn1DecReadContextualInteger(WinPrAsn1Decoder* dec, WinPrAsn1_tagId tagId,
146 BOOL* error, WinPrAsn1_INTEGER* target);
147 WINPR_API size_t WinPrAsn1DecReadContextualOID(WinPrAsn1Decoder* dec, WinPrAsn1_tagId tagId,
148 BOOL* error, WinPrAsn1_OID* target,
149 BOOL allocate);
150 WINPR_API size_t WinPrAsn1DecReadContextualOctetString(WinPrAsn1Decoder* dec,
151 WinPrAsn1_tagId tagId, BOOL* error,
152 WinPrAsn1_OctetString* target,
153 BOOL allocate);
154 WINPR_API size_t WinPrAsn1DecReadContextualSequence(WinPrAsn1Decoder* dec,
155 WinPrAsn1_tagId tagId, BOOL* error,
156 WinPrAsn1Decoder* target);
157 WINPR_API wStream WinPrAsn1DecGetStream(WinPrAsn1Decoder* dec);
158
159 /* encoder functions */
160
161 WINPR_API void WinPrAsn1Encoder_Free(WinPrAsn1Encoder** penc);
162 WINPR_API WinPrAsn1Encoder* WinPrAsn1Encoder_New(WinPrAsn1EncodingRule encoding);
163
164 WINPR_API void WinPrAsn1Encoder_Reset(WinPrAsn1Encoder* enc);
165
166 WINPR_API BOOL WinPrAsn1EncAppContainer(WinPrAsn1Encoder* enc, WinPrAsn1_tagId tagId);
167 WINPR_API BOOL WinPrAsn1EncSeqContainer(WinPrAsn1Encoder* enc);
168 WINPR_API BOOL WinPrAsn1EncContextualSeqContainer(WinPrAsn1Encoder* enc, WinPrAsn1_tagId tagId);
169 WINPR_API BOOL WinPrAsn1EncSetContainer(WinPrAsn1Encoder* enc);
170 WINPR_API BOOL WinPrAsn1EncContextualSetContainer(WinPrAsn1Encoder* enc, WinPrAsn1_tagId tagId);
171 WINPR_API BOOL WinPrAsn1EncContextualContainer(WinPrAsn1Encoder* enc, WinPrAsn1_tagId tagId);
172 WINPR_API BOOL WinPrAsn1EncOctetStringContainer(WinPrAsn1Encoder* enc);
173 WINPR_API BOOL WinPrAsn1EncContextualOctetStringContainer(WinPrAsn1Encoder* enc,
174 WinPrAsn1_tagId tagId);
175 WINPR_API size_t WinPrAsn1EncEndContainer(WinPrAsn1Encoder* enc);
176
177 WINPR_API size_t WinPrAsn1EncRawContent(WinPrAsn1Encoder* enc, const WinPrAsn1_MemoryChunk* c);
178 WINPR_API size_t WinPrAsn1EncContextualRawContent(WinPrAsn1Encoder* enc, WinPrAsn1_tagId tagId,
179 const WinPrAsn1_MemoryChunk* c);
180 WINPR_API size_t WinPrAsn1EncInteger(WinPrAsn1Encoder* enc, WinPrAsn1_INTEGER integer);
181 WINPR_API size_t WinPrAsn1EncContextualInteger(WinPrAsn1Encoder* enc, WinPrAsn1_tagId tagId,
182 WinPrAsn1_INTEGER integer);
183 WINPR_API size_t WinPrAsn1EncBoolean(WinPrAsn1Encoder* enc, WinPrAsn1_BOOL b);
184 WINPR_API size_t WinPrAsn1EncContextualBoolean(WinPrAsn1Encoder* enc, WinPrAsn1_tagId tagId,
185 WinPrAsn1_BOOL b);
186 WINPR_API size_t WinPrAsn1EncEnumerated(WinPrAsn1Encoder* enc, WinPrAsn1_ENUMERATED e);
187 WINPR_API size_t WinPrAsn1EncContextualEnumerated(WinPrAsn1Encoder* enc, WinPrAsn1_tagId tagId,
188 WinPrAsn1_ENUMERATED e);
189
190 WINPR_API size_t WinPrAsn1EncOID(WinPrAsn1Encoder* enc, const WinPrAsn1_OID* oid);
191 WINPR_API size_t WinPrAsn1EncContextualOID(WinPrAsn1Encoder* enc, WinPrAsn1_tagId tagId,
192 const WinPrAsn1_OID* oid);
193 WINPR_API size_t WinPrAsn1EncOctetString(WinPrAsn1Encoder* enc,
194 const WinPrAsn1_OctetString* octetstring);
195 WINPR_API size_t WinPrAsn1EncContextualOctetString(WinPrAsn1Encoder* enc, WinPrAsn1_tagId tagId,
196 const WinPrAsn1_OctetString* octetstring);
197 WINPR_API size_t WinPrAsn1EncIA5String(WinPrAsn1Encoder* enc, WinPrAsn1_IA5STRING ia5);
198 WINPR_API size_t WinPrAsn1EncGeneralString(WinPrAsn1Encoder* enc, WinPrAsn1_STRING str);
199 WINPR_API size_t WinPrAsn1EncContextualIA5String(WinPrAsn1Encoder* enc, WinPrAsn1_tagId tagId,
200 WinPrAsn1_IA5STRING ia5);
201 WINPR_API size_t WinPrAsn1EncUtcTime(WinPrAsn1Encoder* enc, const WinPrAsn1_UTCTIME* utc);
202 WINPR_API size_t WinPrAsn1EncContextualUtcTime(WinPrAsn1Encoder* enc, WinPrAsn1_tagId tagId,
203 const WinPrAsn1_UTCTIME* utc);
204
205 WINPR_API BOOL WinPrAsn1EncStreamSize(WinPrAsn1Encoder* enc, size_t* s);
206 WINPR_API BOOL WinPrAsn1EncToStream(WinPrAsn1Encoder* enc, wStream* s);
207
208#ifdef __cplusplus
209}
210#endif /* __cplusplus */
211
212#endif /* WINPR_ASN1_H_ */
WinPrAsn1_MemoryChunk
Definition asn1.h:79
WinPrAsn1_UTCTIME
Definition asn1.h:88