1 #ifndef HEADER_CURL_SCHANNEL_INT_H 2 #define HEADER_CURL_SCHANNEL_INT_H 3 /*************************************************************************** 4 * _ _ ____ _ 5 * Project ___| | | | _ \| | 6 * / __| | | | |_) | | 7 * | (__| |_| | _ <| |___ 8 * \___|\___/|_| \_\_____| 9 * 10 * Copyright (C) Marc Hoersken, <info@marc-hoersken.de>, et al. 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 #include "curl_setup.h" 28 29 #ifdef USE_SCHANNEL 30 31 #if defined(__MINGW32__) || defined(CERT_CHAIN_REVOCATION_CHECK_CHAIN) 32 #define HAS_MANUAL_VERIFY_API 33 #endif 34 35 #if defined(CryptStringToBinary) && defined(CRYPT_STRING_HEX) \ 36 && !defined(DISABLE_SCHANNEL_CLIENT_CERT) 37 #define HAS_CLIENT_CERT_PATH 38 #endif 39 40 #ifndef CRYPT_DECODE_NOCOPY_FLAG 41 #define CRYPT_DECODE_NOCOPY_FLAG 0x1 42 #endif 43 44 #ifndef CRYPT_DECODE_ALLOC_FLAG 45 #define CRYPT_DECODE_ALLOC_FLAG 0x8000 46 #endif 47 48 #ifndef CERT_ALT_NAME_DNS_NAME 49 #define CERT_ALT_NAME_DNS_NAME 3 50 #endif 51 52 #ifndef CERT_ALT_NAME_IP_ADDRESS 53 #define CERT_ALT_NAME_IP_ADDRESS 8 54 #endif 55 56 57 #ifndef SCH_CREDENTIALS_VERSION 58 59 #define SCH_CREDENTIALS_VERSION 0x00000005 60 61 typedef enum _eTlsAlgorithmUsage 62 { 63 TlsParametersCngAlgUsageKeyExchange, 64 TlsParametersCngAlgUsageSignature, 65 TlsParametersCngAlgUsageCipher, 66 TlsParametersCngAlgUsageDigest, 67 TlsParametersCngAlgUsageCertSig 68 } eTlsAlgorithmUsage; 69 70 typedef struct _CRYPTO_SETTINGS 71 { 72 eTlsAlgorithmUsage eAlgorithmUsage; 73 UNICODE_STRING strCngAlgId; 74 DWORD cChainingModes; 75 PUNICODE_STRING rgstrChainingModes; 76 DWORD dwMinBitLength; 77 DWORD dwMaxBitLength; 78 } CRYPTO_SETTINGS, * PCRYPTO_SETTINGS; 79 80 typedef struct _TLS_PARAMETERS 81 { 82 DWORD cAlpnIds; 83 PUNICODE_STRING rgstrAlpnIds; 84 DWORD grbitDisabledProtocols; 85 DWORD cDisabledCrypto; 86 PCRYPTO_SETTINGS pDisabledCrypto; 87 DWORD dwFlags; 88 } TLS_PARAMETERS, * PTLS_PARAMETERS; 89 90 typedef struct _SCH_CREDENTIALS 91 { 92 DWORD dwVersion; 93 DWORD dwCredFormat; 94 DWORD cCreds; 95 PCCERT_CONTEXT* paCred; 96 HCERTSTORE hRootStore; 97 98 DWORD cMappers; 99 struct _HMAPPER **aphMappers; 100 101 DWORD dwSessionLifespan; 102 DWORD dwFlags; 103 DWORD cTlsParameters; 104 PTLS_PARAMETERS pTlsParameters; 105 } SCH_CREDENTIALS, * PSCH_CREDENTIALS; 106 107 #define SCH_CRED_MAX_SUPPORTED_PARAMETERS 16 108 #define SCH_CRED_MAX_SUPPORTED_ALPN_IDS 16 109 #define SCH_CRED_MAX_SUPPORTED_CRYPTO_SETTINGS 16 110 #define SCH_CRED_MAX_SUPPORTED_CHAINING_MODES 16 111 112 #endif /* SCH_CREDENTIALS_VERSION */ 113 114 struct Curl_schannel_cred { 115 CredHandle cred_handle; 116 TimeStamp time_stamp; 117 TCHAR *sni_hostname; 118 #ifdef HAS_CLIENT_CERT_PATH 119 HCERTSTORE client_cert_store; 120 #endif 121 int refcount; 122 }; 123 124 struct Curl_schannel_ctxt { 125 CtxtHandle ctxt_handle; 126 TimeStamp time_stamp; 127 }; 128 129 struct schannel_ssl_backend_data { 130 struct Curl_schannel_cred *cred; 131 struct Curl_schannel_ctxt *ctxt; 132 SecPkgContext_StreamSizes stream_sizes; 133 size_t encdata_length, decdata_length; 134 size_t encdata_offset, decdata_offset; 135 unsigned char *encdata_buffer, *decdata_buffer; 136 /* encdata_is_incomplete: if encdata contains only a partial record that 137 can't be decrypted without another recv() (that is, status is 138 SEC_E_INCOMPLETE_MESSAGE) then set this true. after an recv() adds 139 more bytes into encdata then set this back to false. */ 140 bool encdata_is_incomplete; 141 unsigned long req_flags, ret_flags; 142 CURLcode recv_unrecoverable_err; /* schannel_recv had an unrecoverable err */ 143 bool recv_sspi_close_notify; /* true if connection closed by close_notify */ 144 bool recv_connection_closed; /* true if connection closed, regardless how */ 145 bool recv_renegotiating; /* true if recv is doing renegotiation */ 146 bool use_alpn; /* true if ALPN is used for this connection */ 147 #ifdef HAS_MANUAL_VERIFY_API 148 bool use_manual_cred_validation; /* true if manual cred validation is used */ 149 #endif 150 }; 151 152 #endif /* USE_SCHANNEL */ 153 #endif /* HEADER_CURL_SCHANNEL_INT_H */ 154