[164] | 1 | #ifndef HEADER_CURL_VTLS_H
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| 2 | #define HEADER_CURL_VTLS_H
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| 3 | /***************************************************************************
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| 4 | * _ _ ____ _
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| 5 | * Project ___| | | | _ \| |
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| 6 | * / __| | | | |_) | |
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| 7 | * | (__| |_| | _ <| |___
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| 8 | * \___|\___/|_| \_\_____|
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| 9 | *
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| 10 | * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
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| 11 | *
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| 12 | * This software is licensed as described in the file COPYING, which
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| 13 | * you should have received as part of this distribution. The terms
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| 14 | * are also available at https://curl.haxx.se/docs/copyright.html.
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| 15 | *
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| 16 | * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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| 17 | * copies of the Software, and permit persons to whom the Software is
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| 18 | * furnished to do so, under the terms of the COPYING file.
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| 19 | *
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| 20 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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| 21 | * KIND, either express or implied.
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| 22 | *
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| 23 | ***************************************************************************/
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| 24 | #include "curl_setup.h"
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| 25 |
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| 26 | #include "openssl.h" /* OpenSSL versions */
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| 27 | #include "gtls.h" /* GnuTLS versions */
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| 28 | #include "nssg.h" /* NSS versions */
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| 29 | #include "gskit.h" /* Global Secure ToolKit versions */
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| 30 | #include "polarssl.h" /* PolarSSL versions */
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| 31 | #include "axtls.h" /* axTLS versions */
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| 32 | #include "cyassl.h" /* CyaSSL versions */
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| 33 | #include "schannel.h" /* Schannel SSPI version */
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| 34 | #include "darwinssl.h" /* SecureTransport (Darwin) version */
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| 35 | #include "mbedtls.h" /* mbedTLS versions */
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| 36 |
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| 37 | #ifndef MAX_PINNED_PUBKEY_SIZE
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| 38 | #define MAX_PINNED_PUBKEY_SIZE 1048576 /* 1MB */
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| 39 | #endif
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| 40 |
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| 41 | #ifndef MD5_DIGEST_LENGTH
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| 42 | #define MD5_DIGEST_LENGTH 16 /* fixed size */
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| 43 | #endif
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| 44 |
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| 45 | #ifndef SHA256_DIGEST_LENGTH
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| 46 | #define SHA256_DIGEST_LENGTH 32 /* fixed size */
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| 47 | #endif
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| 48 |
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| 49 | /* see https://tools.ietf.org/html/draft-ietf-tls-applayerprotoneg-04 */
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| 50 | #define ALPN_HTTP_1_1_LENGTH 8
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| 51 | #define ALPN_HTTP_1_1 "http/1.1"
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| 52 |
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| 53 | bool Curl_ssl_config_matches(struct ssl_config_data* data,
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| 54 | struct ssl_config_data* needle);
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| 55 | bool Curl_clone_ssl_config(struct ssl_config_data* source,
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| 56 | struct ssl_config_data* dest);
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| 57 | void Curl_free_ssl_config(struct ssl_config_data* sslc);
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| 58 |
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| 59 | unsigned int Curl_rand(struct SessionHandle *);
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| 60 |
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| 61 | int Curl_ssl_backend(void);
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| 62 |
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| 63 | #ifdef USE_SSL
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| 64 | int Curl_ssl_init(void);
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| 65 | void Curl_ssl_cleanup(void);
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| 66 | CURLcode Curl_ssl_connect(struct connectdata *conn, int sockindex);
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| 67 | CURLcode Curl_ssl_connect_nonblocking(struct connectdata *conn,
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| 68 | int sockindex,
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| 69 | bool *done);
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| 70 | /* tell the SSL stuff to close down all open information regarding
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| 71 | connections (and thus session ID caching etc) */
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| 72 | void Curl_ssl_close_all(struct SessionHandle *data);
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| 73 | void Curl_ssl_close(struct connectdata *conn, int sockindex);
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| 74 | CURLcode Curl_ssl_shutdown(struct connectdata *conn, int sockindex);
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| 75 | CURLcode Curl_ssl_set_engine(struct SessionHandle *data, const char *engine);
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| 76 | /* Sets engine as default for all SSL operations */
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| 77 | CURLcode Curl_ssl_set_engine_default(struct SessionHandle *data);
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| 78 | struct curl_slist *Curl_ssl_engines_list(struct SessionHandle *data);
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| 79 |
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| 80 | /* init the SSL session ID cache */
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| 81 | CURLcode Curl_ssl_initsessions(struct SessionHandle *, size_t);
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| 82 | size_t Curl_ssl_version(char *buffer, size_t size);
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| 83 | bool Curl_ssl_data_pending(const struct connectdata *conn,
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| 84 | int connindex);
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| 85 | int Curl_ssl_check_cxn(struct connectdata *conn);
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| 86 |
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| 87 | /* Certificate information list handling. */
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| 88 |
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| 89 | void Curl_ssl_free_certinfo(struct SessionHandle *data);
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| 90 | CURLcode Curl_ssl_init_certinfo(struct SessionHandle * data, int num);
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| 91 | CURLcode Curl_ssl_push_certinfo_len(struct SessionHandle * data, int certnum,
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| 92 | const char * label, const char * value,
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| 93 | size_t valuelen);
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| 94 | CURLcode Curl_ssl_push_certinfo(struct SessionHandle * data, int certnum,
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| 95 | const char * label, const char * value);
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| 96 |
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| 97 | /* Functions to be used by SSL library adaptation functions */
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| 98 |
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| 99 | /* extract a session ID */
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| 100 | bool Curl_ssl_getsessionid(struct connectdata *conn,
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| 101 | void **ssl_sessionid,
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| 102 | size_t *idsize) /* set 0 if unknown */;
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| 103 | /* add a new session ID */
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| 104 | CURLcode Curl_ssl_addsessionid(struct connectdata *conn,
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| 105 | void *ssl_sessionid,
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| 106 | size_t idsize);
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| 107 | /* Kill a single session ID entry in the cache */
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| 108 | void Curl_ssl_kill_session(struct curl_ssl_session *session);
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| 109 | /* delete a session from the cache */
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| 110 | void Curl_ssl_delsessionid(struct connectdata *conn, void *ssl_sessionid);
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| 111 |
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| 112 | /* get N random bytes into the buffer, return 0 if a find random is filled
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| 113 | in */
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| 114 | int Curl_ssl_random(struct SessionHandle *data, unsigned char *buffer,
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| 115 | size_t length);
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| 116 | CURLcode Curl_ssl_md5sum(unsigned char *tmp, /* input */
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| 117 | size_t tmplen,
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| 118 | unsigned char *md5sum, /* output */
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| 119 | size_t md5len);
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| 120 | /* Check pinned public key. */
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| 121 | CURLcode Curl_pin_peer_pubkey(struct SessionHandle *data,
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| 122 | const char *pinnedpubkey,
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| 123 | const unsigned char *pubkey, size_t pubkeylen);
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| 124 |
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| 125 | bool Curl_ssl_cert_status_request(void);
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| 126 |
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| 127 | bool Curl_ssl_false_start(void);
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| 128 |
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| 129 | #define SSL_SHUTDOWN_TIMEOUT 10000 /* ms */
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| 130 |
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| 131 | #else
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| 132 | /* Set the API backend definition to none */
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| 133 | #define CURL_SSL_BACKEND CURLSSLBACKEND_NONE
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| 134 |
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| 135 | /* When SSL support is not present, just define away these function calls */
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| 136 | #define Curl_ssl_init() 1
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| 137 | #define Curl_ssl_cleanup() Curl_nop_stmt
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| 138 | #define Curl_ssl_connect(x,y) CURLE_NOT_BUILT_IN
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| 139 | #define Curl_ssl_close_all(x) Curl_nop_stmt
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| 140 | #define Curl_ssl_close(x,y) Curl_nop_stmt
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| 141 | #define Curl_ssl_shutdown(x,y) CURLE_NOT_BUILT_IN
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| 142 | #define Curl_ssl_set_engine(x,y) CURLE_NOT_BUILT_IN
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| 143 | #define Curl_ssl_set_engine_default(x) CURLE_NOT_BUILT_IN
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| 144 | #define Curl_ssl_engines_list(x) NULL
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| 145 | #define Curl_ssl_send(a,b,c,d,e) -1
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| 146 | #define Curl_ssl_recv(a,b,c,d,e) -1
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| 147 | #define Curl_ssl_initsessions(x,y) CURLE_OK
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| 148 | #define Curl_ssl_version(x,y) 0
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| 149 | #define Curl_ssl_data_pending(x,y) 0
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| 150 | #define Curl_ssl_check_cxn(x) 0
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| 151 | #define Curl_ssl_free_certinfo(x) Curl_nop_stmt
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| 152 | #define Curl_ssl_connect_nonblocking(x,y,z) CURLE_NOT_BUILT_IN
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| 153 | #define Curl_ssl_kill_session(x) Curl_nop_stmt
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| 154 | #define Curl_ssl_random(x,y,z) ((void)x, CURLE_NOT_BUILT_IN)
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| 155 | #define Curl_ssl_cert_status_request() FALSE
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| 156 | #define Curl_ssl_false_start() FALSE
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| 157 | #endif
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| 158 |
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| 159 | #endif /* HEADER_CURL_VTLS_H */
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