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_GNUTLS) || defined(USE_WOLFSSL) || \ 31 defined(USE_SCHANNEL) || defined(USE_SECTRANSP) || \ 32 defined(USE_MBEDTLS) 33 34 #include "cfilters.h" 35 #include "urldata.h" 36 37 /* 38 * Types. 39 */ 40 41 /* ASN.1 parsed element. */ 42 struct Curl_asn1Element { 43 const char *header; /* Pointer to header byte. */ 44 const char *beg; /* Pointer to element data. */ 45 const char *end; /* Pointer to 1st byte after element. */ 46 unsigned char class; /* ASN.1 element class. */ 47 unsigned char tag; /* ASN.1 element tag. */ 48 bool constructed; /* Element is constructed. */ 49 }; 50 51 /* X509 certificate: RFC 5280. */ 52 struct Curl_X509certificate { 53 struct Curl_asn1Element certificate; 54 struct Curl_asn1Element version; 55 struct Curl_asn1Element serialNumber; 56 struct Curl_asn1Element signatureAlgorithm; 57 struct Curl_asn1Element signature; 58 struct Curl_asn1Element issuer; 59 struct Curl_asn1Element notBefore; 60 struct Curl_asn1Element notAfter; 61 struct Curl_asn1Element subject; 62 struct Curl_asn1Element subjectPublicKeyInfo; 63 struct Curl_asn1Element subjectPublicKeyAlgorithm; 64 struct Curl_asn1Element subjectPublicKey; 65 struct Curl_asn1Element issuerUniqueID; 66 struct Curl_asn1Element subjectUniqueID; 67 struct Curl_asn1Element extensions; 68 }; 69 70 /* 71 * Prototypes. 72 */ 73 74 int Curl_parseX509(struct Curl_X509certificate *cert, 75 const char *beg, const char *end); 76 CURLcode Curl_extract_certinfo(struct Curl_easy *data, int certnum, 77 const char *beg, const char *end); 78 CURLcode Curl_verifyhost(struct Curl_cfilter *cf, struct Curl_easy *data, 79 const char *beg, const char *end); 80 81 #ifdef UNITTESTS 82 #if defined(USE_GNUTLS) || defined(USE_SCHANNEL) || defined(USE_SECTRANSP) || \ 83 defined(USE_MBEDTLS) 84 85 /* used by unit1656.c */ 86 CURLcode Curl_x509_GTime2str(struct dynbuf *store, 87 const char *beg, const char *end); 88 #endif 89 #endif 90 91 #endif /* USE_GNUTLS or USE_WOLFSSL or USE_SCHANNEL or USE_SECTRANSP */ 92 #endif /* HEADER_CURL_X509ASN1_H */ 93
