Annotation of embedaddon/curl/lib/x509asn1.h, revision 1.1
1.1 ! misho 1: #ifndef HEADER_CURL_X509ASN1_H
! 2: #define HEADER_CURL_X509ASN1_H
! 3:
! 4: /***************************************************************************
! 5: * _ _ ____ _
! 6: * Project ___| | | | _ \| |
! 7: * / __| | | | |_) | |
! 8: * | (__| |_| | _ <| |___
! 9: * \___|\___/|_| \_\_____|
! 10: *
! 11: * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
! 12: *
! 13: * This software is licensed as described in the file COPYING, which
! 14: * you should have received as part of this distribution. The terms
! 15: * are also available at https://curl.haxx.se/docs/copyright.html.
! 16: *
! 17: * You may opt to use, copy, modify, merge, publish, distribute and/or sell
! 18: * copies of the Software, and permit persons to whom the Software is
! 19: * furnished to do so, under the terms of the COPYING file.
! 20: *
! 21: * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
! 22: * KIND, either express or implied.
! 23: *
! 24: ***************************************************************************/
! 25:
! 26: #include "curl_setup.h"
! 27:
! 28: #if defined(USE_GSKIT) || defined(USE_NSS) || defined(USE_GNUTLS) || \
! 29: defined(USE_WOLFSSL) || defined(USE_SCHANNEL)
! 30:
! 31: #include "urldata.h"
! 32:
! 33: /*
! 34: * Constants.
! 35: */
! 36:
! 37: /* Largest supported ASN.1 structure. */
! 38: #define CURL_ASN1_MAX ((size_t) 0x40000) /* 256K */
! 39:
! 40: /* ASN.1 classes. */
! 41: #define CURL_ASN1_UNIVERSAL 0
! 42: #define CURL_ASN1_APPLICATION 1
! 43: #define CURL_ASN1_CONTEXT_SPECIFIC 2
! 44: #define CURL_ASN1_PRIVATE 3
! 45:
! 46: /* ASN.1 types. */
! 47: #define CURL_ASN1_BOOLEAN 1
! 48: #define CURL_ASN1_INTEGER 2
! 49: #define CURL_ASN1_BIT_STRING 3
! 50: #define CURL_ASN1_OCTET_STRING 4
! 51: #define CURL_ASN1_NULL 5
! 52: #define CURL_ASN1_OBJECT_IDENTIFIER 6
! 53: #define CURL_ASN1_OBJECT_DESCRIPTOR 7
! 54: #define CURL_ASN1_INSTANCE_OF 8
! 55: #define CURL_ASN1_REAL 9
! 56: #define CURL_ASN1_ENUMERATED 10
! 57: #define CURL_ASN1_EMBEDDED 11
! 58: #define CURL_ASN1_UTF8_STRING 12
! 59: #define CURL_ASN1_RELATIVE_OID 13
! 60: #define CURL_ASN1_SEQUENCE 16
! 61: #define CURL_ASN1_SET 17
! 62: #define CURL_ASN1_NUMERIC_STRING 18
! 63: #define CURL_ASN1_PRINTABLE_STRING 19
! 64: #define CURL_ASN1_TELETEX_STRING 20
! 65: #define CURL_ASN1_VIDEOTEX_STRING 21
! 66: #define CURL_ASN1_IA5_STRING 22
! 67: #define CURL_ASN1_UTC_TIME 23
! 68: #define CURL_ASN1_GENERALIZED_TIME 24
! 69: #define CURL_ASN1_GRAPHIC_STRING 25
! 70: #define CURL_ASN1_VISIBLE_STRING 26
! 71: #define CURL_ASN1_GENERAL_STRING 27
! 72: #define CURL_ASN1_UNIVERSAL_STRING 28
! 73: #define CURL_ASN1_CHARACTER_STRING 29
! 74: #define CURL_ASN1_BMP_STRING 30
! 75:
! 76:
! 77: /*
! 78: * Types.
! 79: */
! 80:
! 81: /* ASN.1 parsed element. */
! 82: typedef struct {
! 83: const char * header; /* Pointer to header byte. */
! 84: const char * beg; /* Pointer to element data. */
! 85: const char * end; /* Pointer to 1st byte after element. */
! 86: unsigned char class; /* ASN.1 element class. */
! 87: unsigned char tag; /* ASN.1 element tag. */
! 88: bool constructed; /* Element is constructed. */
! 89: } curl_asn1Element;
! 90:
! 91:
! 92: /* ASN.1 OID table entry. */
! 93: typedef struct {
! 94: const char * numoid; /* Dotted-numeric OID. */
! 95: const char * textoid; /* OID name. */
! 96: } curl_OID;
! 97:
! 98:
! 99: /* X509 certificate: RFC 5280. */
! 100: typedef struct {
! 101: curl_asn1Element certificate;
! 102: curl_asn1Element version;
! 103: curl_asn1Element serialNumber;
! 104: curl_asn1Element signatureAlgorithm;
! 105: curl_asn1Element signature;
! 106: curl_asn1Element issuer;
! 107: curl_asn1Element notBefore;
! 108: curl_asn1Element notAfter;
! 109: curl_asn1Element subject;
! 110: curl_asn1Element subjectPublicKeyInfo;
! 111: curl_asn1Element subjectPublicKeyAlgorithm;
! 112: curl_asn1Element subjectPublicKey;
! 113: curl_asn1Element issuerUniqueID;
! 114: curl_asn1Element subjectUniqueID;
! 115: curl_asn1Element extensions;
! 116: } curl_X509certificate;
! 117:
! 118:
! 119: /*
! 120: * Prototypes.
! 121: */
! 122:
! 123: const char *Curl_getASN1Element(curl_asn1Element *elem,
! 124: const char *beg, const char *end);
! 125: const char *Curl_ASN1tostr(curl_asn1Element *elem, int type);
! 126: const char *Curl_DNtostr(curl_asn1Element *dn);
! 127: int Curl_parseX509(curl_X509certificate *cert,
! 128: const char *beg, const char *end);
! 129: CURLcode Curl_extract_certinfo(struct connectdata *conn, int certnum,
! 130: const char *beg, const char *end);
! 131: CURLcode Curl_verifyhost(struct connectdata *conn,
! 132: const char *beg, const char *end);
! 133: #endif /* USE_GSKIT or USE_NSS or USE_GNUTLS or USE_WOLFSSL or USE_SCHANNEL */
! 134: #endif /* HEADER_CURL_X509ASN1_H */
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