135 lines
4.7 KiB
C
135 lines
4.7 KiB
C
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#ifndef HEADER_CURL_X509ASN1_H
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#define HEADER_CURL_X509ASN1_H
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/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at https://curl.haxx.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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***************************************************************************/
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#include "curl_setup.h"
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#if defined(USE_GSKIT) || defined(USE_NSS) || defined(USE_GNUTLS) || \
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defined(USE_CYASSL) || defined(USE_SCHANNEL)
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#include "urldata.h"
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/*
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* Constants.
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*/
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/* Largest supported ASN.1 structure. */
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#define CURL_ASN1_MAX ((size_t) 0x40000) /* 256K */
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/* ASN.1 classes. */
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#define CURL_ASN1_UNIVERSAL 0
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#define CURL_ASN1_APPLICATION 1
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#define CURL_ASN1_CONTEXT_SPECIFIC 2
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#define CURL_ASN1_PRIVATE 3
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/* ASN.1 types. */
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#define CURL_ASN1_BOOLEAN 1
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#define CURL_ASN1_INTEGER 2
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#define CURL_ASN1_BIT_STRING 3
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#define CURL_ASN1_OCTET_STRING 4
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#define CURL_ASN1_NULL 5
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#define CURL_ASN1_OBJECT_IDENTIFIER 6
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#define CURL_ASN1_OBJECT_DESCRIPTOR 7
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#define CURL_ASN1_INSTANCE_OF 8
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#define CURL_ASN1_REAL 9
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#define CURL_ASN1_ENUMERATED 10
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#define CURL_ASN1_EMBEDDED 11
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#define CURL_ASN1_UTF8_STRING 12
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#define CURL_ASN1_RELATIVE_OID 13
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#define CURL_ASN1_SEQUENCE 16
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#define CURL_ASN1_SET 17
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#define CURL_ASN1_NUMERIC_STRING 18
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#define CURL_ASN1_PRINTABLE_STRING 19
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#define CURL_ASN1_TELETEX_STRING 20
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#define CURL_ASN1_VIDEOTEX_STRING 21
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#define CURL_ASN1_IA5_STRING 22
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#define CURL_ASN1_UTC_TIME 23
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#define CURL_ASN1_GENERALIZED_TIME 24
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#define CURL_ASN1_GRAPHIC_STRING 25
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#define CURL_ASN1_VISIBLE_STRING 26
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#define CURL_ASN1_GENERAL_STRING 27
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#define CURL_ASN1_UNIVERSAL_STRING 28
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#define CURL_ASN1_CHARACTER_STRING 29
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#define CURL_ASN1_BMP_STRING 30
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/*
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* Types.
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*/
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/* ASN.1 parsed element. */
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typedef struct {
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const char * header; /* Pointer to header byte. */
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const char * beg; /* Pointer to element data. */
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const char * end; /* Pointer to 1st byte after element. */
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unsigned char class; /* ASN.1 element class. */
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unsigned char tag; /* ASN.1 element tag. */
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bool constructed; /* Element is constructed. */
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} curl_asn1Element;
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/* ASN.1 OID table entry. */
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typedef struct {
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const char * numoid; /* Dotted-numeric OID. */
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const char * textoid; /* OID name. */
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} curl_OID;
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/* X509 certificate: RFC 5280. */
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typedef struct {
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curl_asn1Element certificate;
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curl_asn1Element version;
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curl_asn1Element serialNumber;
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curl_asn1Element signatureAlgorithm;
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curl_asn1Element signature;
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curl_asn1Element issuer;
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curl_asn1Element notBefore;
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curl_asn1Element notAfter;
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curl_asn1Element subject;
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curl_asn1Element subjectPublicKeyInfo;
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curl_asn1Element subjectPublicKeyAlgorithm;
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curl_asn1Element subjectPublicKey;
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curl_asn1Element issuerUniqueID;
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curl_asn1Element subjectUniqueID;
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curl_asn1Element extensions;
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} curl_X509certificate;
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/*
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* Prototypes.
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*/
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const char *Curl_getASN1Element(curl_asn1Element *elem,
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const char *beg, const char *end);
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const char *Curl_ASN1tostr(curl_asn1Element *elem, int type);
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const char *Curl_DNtostr(curl_asn1Element *dn);
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int Curl_parseX509(curl_X509certificate *cert,
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const char *beg, const char *end);
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CURLcode Curl_extract_certinfo(struct connectdata *conn, int certnum,
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const char *beg, const char *end);
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CURLcode Curl_verifyhost(struct connectdata *conn,
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const char *beg, const char *end);
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#endif /* USE_GSKIT or USE_NSS or USE_GNUTLS or USE_CYASSL or USE_SCHANNEL */
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#endif /* HEADER_CURL_X509ASN1_H */
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