1 #ifndef HEADER_CURL_X509ASN1_H 2 #define HEADER_CURL_X509ASN1_H 3 4 /*************************************************************************** 5 * _ _ ____ _ 6 * Project ___| | | | _ \| | 7 * / __| | | | |_) | | 8 * | (__| |_| | _ <| |___ 9 * \___|\___/|_| \_\_____| 10 * 11 * Copyright (C) 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.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 * SPDX-License-Identifier: curl 25 * 26 ***************************************************************************/ 27 28 #include "curl_setup.h" 29 30 #if defined(USE_GSKIT) || defined(USE_NSS) || defined(USE_GNUTLS) || \ 31 defined(USE_WOLFSSL) || defined(USE_SCHANNEL) || defined(USE_SECTRANSP) 32 33 #include "cfilters.h" 34 #include "urldata.h" 35 36 /* 37 * Types. 38 */ 39 40 /* ASN.1 parsed element. */ 41 struct Curl_asn1Element { 42 const char *header; /* Pointer to header byte. */ 43 const char *beg; /* Pointer to element data. */ 44 const char *end; /* Pointer to 1st byte after element. */ 45 unsigned char class; /* ASN.1 element class. */ 46 unsigned char tag; /* ASN.1 element tag. */ 47 bool constructed; /* Element is constructed. */ 48 }; 49 50 /* X509 certificate: RFC 5280. */ 51 struct Curl_X509certificate { 52 struct Curl_asn1Element certificate; 53 struct Curl_asn1Element version; 54 struct Curl_asn1Element serialNumber; 55 struct Curl_asn1Element signatureAlgorithm; 56 struct Curl_asn1Element signature; 57 struct Curl_asn1Element issuer; 58 struct Curl_asn1Element notBefore; 59 struct Curl_asn1Element notAfter; 60 struct Curl_asn1Element subject; 61 struct Curl_asn1Element subjectPublicKeyInfo; 62 struct Curl_asn1Element subjectPublicKeyAlgorithm; 63 struct Curl_asn1Element subjectPublicKey; 64 struct Curl_asn1Element issuerUniqueID; 65 struct Curl_asn1Element subjectUniqueID; 66 struct Curl_asn1Element extensions; 67 }; 68 69 /* 70 * Prototypes. 71 */ 72 73 int Curl_parseX509(struct Curl_X509certificate *cert, 74 const char *beg, const char *end); 75 CURLcode Curl_extract_certinfo(struct Curl_easy *data, int certnum, 76 const char *beg, const char *end); 77 CURLcode Curl_verifyhost(struct Curl_cfilter *cf, struct Curl_easy *data, 78 const char *beg, const char *end); 79 #endif /* USE_GSKIT or USE_NSS or USE_GNUTLS or USE_WOLFSSL or USE_SCHANNEL 80 * or USE_SECTRANSP */ 81 #endif /* HEADER_CURL_X509ASN1_H */ 82