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 #include "vtls.h" 32 33 #if (defined(__MINGW32__) || defined(CERT_CHAIN_REVOCATION_CHECK_CHAIN)) \ 34 && !defined(CURL_WINDOWS_UWP) 35 #define HAS_MANUAL_VERIFY_API 36 #endif 37 38 #if defined(CryptStringToBinary) && defined(CRYPT_STRING_HEX) \ 39 && !defined(DISABLE_SCHANNEL_CLIENT_CERT) 40 #define HAS_CLIENT_CERT_PATH 41 #endif 42 43 #ifndef CRYPT_DECODE_NOCOPY_FLAG 44 #define CRYPT_DECODE_NOCOPY_FLAG 0x1 45 #endif 46 47 #ifndef CRYPT_DECODE_ALLOC_FLAG 48 #define CRYPT_DECODE_ALLOC_FLAG 0x8000 49 #endif 50 51 #ifndef CERT_ALT_NAME_DNS_NAME 52 #define CERT_ALT_NAME_DNS_NAME 3 53 #endif 54 55 #ifndef CERT_ALT_NAME_IP_ADDRESS 56 #define CERT_ALT_NAME_IP_ADDRESS 8 57 #endif 58 59 #if defined(_MSC_VER) && (_MSC_VER <= 1600) 60 /* Workaround for warning: 61 'type cast' : conversion from 'int' to 'LPCSTR' of greater size */ 62 #undef CERT_STORE_PROV_MEMORY 63 #undef CERT_STORE_PROV_SYSTEM_A 64 #undef CERT_STORE_PROV_SYSTEM_W 65 #define CERT_STORE_PROV_MEMORY ((LPCSTR)(size_t)2) 66 #define CERT_STORE_PROV_SYSTEM_A ((LPCSTR)(size_t)9) 67 #define CERT_STORE_PROV_SYSTEM_W ((LPCSTR)(size_t)10) 68 #endif 69 70 #ifndef SCH_CREDENTIALS_VERSION 71 72 #define SCH_CREDENTIALS_VERSION 0x00000005 73 74 typedef enum _eTlsAlgorithmUsage 75 { 76 TlsParametersCngAlgUsageKeyExchange, 77 TlsParametersCngAlgUsageSignature, 78 TlsParametersCngAlgUsageCipher, 79 TlsParametersCngAlgUsageDigest, 80 TlsParametersCngAlgUsageCertSig 81 } eTlsAlgorithmUsage; 82 83 typedef struct _CRYPTO_SETTINGS 84 { 85 eTlsAlgorithmUsage eAlgorithmUsage; 86 UNICODE_STRING strCngAlgId; 87 DWORD cChainingModes; 88 PUNICODE_STRING rgstrChainingModes; 89 DWORD dwMinBitLength; 90 DWORD dwMaxBitLength; 91 } CRYPTO_SETTINGS, * PCRYPTO_SETTINGS; 92 93 typedef struct _TLS_PARAMETERS 94 { 95 DWORD cAlpnIds; 96 PUNICODE_STRING rgstrAlpnIds; 97 DWORD grbitDisabledProtocols; 98 DWORD cDisabledCrypto; 99 PCRYPTO_SETTINGS pDisabledCrypto; 100 DWORD dwFlags; 101 } TLS_PARAMETERS, * PTLS_PARAMETERS; 102 103 typedef struct _SCH_CREDENTIALS 104 { 105 DWORD dwVersion; 106 DWORD dwCredFormat; 107 DWORD cCreds; 108 PCCERT_CONTEXT* paCred; 109 HCERTSTORE hRootStore; 110 111 DWORD cMappers; 112 struct _HMAPPER **aphMappers; 113 114 DWORD dwSessionLifespan; 115 DWORD dwFlags; 116 DWORD cTlsParameters; 117 PTLS_PARAMETERS pTlsParameters; 118 } SCH_CREDENTIALS, * PSCH_CREDENTIALS; 119 120 #define SCH_CRED_MAX_SUPPORTED_PARAMETERS 16 121 #define SCH_CRED_MAX_SUPPORTED_ALPN_IDS 16 122 #define SCH_CRED_MAX_SUPPORTED_CRYPTO_SETTINGS 16 123 #define SCH_CRED_MAX_SUPPORTED_CHAINING_MODES 16 124 125 #endif /* SCH_CREDENTIALS_VERSION */ 126 127 struct Curl_schannel_cred { 128 CredHandle cred_handle; 129 TimeStamp time_stamp; 130 TCHAR *sni_hostname; 131 #ifdef HAS_CLIENT_CERT_PATH 132 HCERTSTORE client_cert_store; 133 #endif 134 int refcount; 135 }; 136 137 struct Curl_schannel_ctxt { 138 CtxtHandle ctxt_handle; 139 TimeStamp time_stamp; 140 }; 141 142 struct schannel_ssl_backend_data { 143 struct Curl_schannel_cred *cred; 144 struct Curl_schannel_ctxt *ctxt; 145 SecPkgContext_StreamSizes stream_sizes; 146 size_t encdata_length, decdata_length; 147 size_t encdata_offset, decdata_offset; 148 unsigned char *encdata_buffer, *decdata_buffer; 149 /* encdata_is_incomplete: if encdata contains only a partial record that 150 cannot be decrypted without another recv() (that is, status is 151 SEC_E_INCOMPLETE_MESSAGE) then set this true. after an recv() adds 152 more bytes into encdata then set this back to false. */ 153 bool encdata_is_incomplete; 154 unsigned long req_flags, ret_flags; 155 CURLcode recv_unrecoverable_err; /* schannel_recv had an unrecoverable err */ 156 bool recv_sspi_close_notify; /* true if connection closed by close_notify */ 157 bool recv_connection_closed; /* true if connection closed, regardless how */ 158 bool recv_renegotiating; /* true if recv is doing renegotiation */ 159 bool use_alpn; /* true if ALPN is used for this connection */ 160 #ifdef HAS_MANUAL_VERIFY_API 161 bool use_manual_cred_validation; /* true if manual cred validation is used */ 162 #endif 163 BIT(sent_shutdown); 164 }; 165 166 /* key to use at `multi->proto_hash` */ 167 #define MPROTO_SCHANNEL_CERT_SHARE_KEY "tls:schannel:cert:share" 168 169 struct schannel_cert_share { 170 unsigned char CAinfo_blob_digest[CURL_SHA256_DIGEST_LENGTH]; 171 size_t CAinfo_blob_size; /* CA info blob size */ 172 char *CAfile; /* CAfile path used to generate 173 certificate store */ 174 HCERTSTORE cert_store; /* cached certificate store or 175 NULL if none */ 176 struct curltime time; /* when the cached store was created */ 177 }; 178 179 HCERTSTORE Curl_schannel_get_cached_cert_store(struct Curl_cfilter *cf, 180 const struct Curl_easy *data); 181 182 bool Curl_schannel_set_cached_cert_store(struct Curl_cfilter *cf, 183 const struct Curl_easy *data, 184 HCERTSTORE cert_store); 185 186 #endif /* USE_SCHANNEL */ 187 #endif /* HEADER_CURL_SCHANNEL_INT_H */ 188
