Mercurial > hg > nginx-quic
annotate src/event/ngx_event_openssl.h @ 8249:90cc7194e993
Upstream: excluded down servers from the next_upstream tries.
Previously, the number of next_upstream tries included servers marked
as "down", resulting in "no live upstreams" with the code 502 instead
of the code derived from an attempt to connect to the last tried "up"
server (ticket #2096).
author | Ruslan Ermilov <ru@nginx.com> |
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date | Fri, 27 Nov 2020 00:01:20 +0300 |
parents | 59e1c73fe02b |
children | 71b7453fb11f 5f765427c17a |
rev | line source |
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441
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
441
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5 */ |
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6 |
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7 |
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8 #ifndef _NGX_EVENT_OPENSSL_H_INCLUDED_ |
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9 #define _NGX_EVENT_OPENSSL_H_INCLUDED_ |
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10 |
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11 |
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12 #include <ngx_config.h> |
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13 #include <ngx_core.h> |
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14 |
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15 #include <openssl/ssl.h> |
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16 #include <openssl/err.h> |
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17 #include <openssl/bn.h> |
968 | 18 #include <openssl/conf.h> |
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19 #include <openssl/crypto.h> |
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20 #include <openssl/dh.h> |
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21 #ifndef OPENSSL_NO_ENGINE |
541 | 22 #include <openssl/engine.h> |
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23 #endif |
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24 #include <openssl/evp.h> |
7132
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SSL: include <openssl/hmac.h>.
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25 #include <openssl/hmac.h> |
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26 #ifndef OPENSSL_NO_OCSP |
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OCSP stapling: ssl_stapling_file support.
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27 #include <openssl/ocsp.h> |
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28 #endif |
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29 #include <openssl/rand.h> |
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30 #include <openssl/rsa.h> |
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31 #include <openssl/x509.h> |
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32 #include <openssl/x509v3.h> |
541 | 33 |
547 | 34 #define NGX_SSL_NAME "OpenSSL" |
35 | |
36 | |
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37 #if (defined LIBRESSL_VERSION_NUMBER && OPENSSL_VERSION_NUMBER == 0x20000000L) |
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38 #undef OPENSSL_VERSION_NUMBER |
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SSL: fixed build with LibreSSL 2.8.0 (ticket #1605).
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39 #if (LIBRESSL_VERSION_NUMBER >= 0x2080000fL) |
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40 #define OPENSSL_VERSION_NUMBER 0x1010000fL |
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41 #else |
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42 #define OPENSSL_VERSION_NUMBER 0x1000107fL |
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43 #endif |
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44 #endif |
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45 |
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46 |
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47 #if (OPENSSL_VERSION_NUMBER >= 0x10100001L) |
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48 |
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49 #define ngx_ssl_version() OpenSSL_version(OPENSSL_VERSION) |
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50 |
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51 #else |
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52 |
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53 #define ngx_ssl_version() SSLeay_version(SSLEAY_VERSION) |
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54 |
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55 #endif |
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56 |
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57 |
671 | 58 #define ngx_ssl_session_t SSL_SESSION |
59 #define ngx_ssl_conn_t SSL | |
60 | |
61 | |
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62 #if (OPENSSL_VERSION_NUMBER < 0x10002000L) |
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63 #define SSL_is_server(s) (s)->server |
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64 #endif |
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65 |
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66 |
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67 typedef struct ngx_ssl_ocsp_s ngx_ssl_ocsp_t; |
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68 |
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69 |
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70 struct ngx_ssl_s { |
547 | 71 SSL_CTX *ctx; |
72 ngx_log_t *log; | |
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73 size_t buffer_size; |
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74 }; |
541 | 75 |
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76 |
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77 struct ngx_ssl_connection_s { |
671 | 78 ngx_ssl_conn_t *connection; |
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79 SSL_CTX *session_ctx; |
647 | 80 |
547 | 81 ngx_int_t last; |
82 ngx_buf_t *buf; | |
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83 size_t buffer_size; |
547 | 84 |
85 ngx_connection_handler_pt handler; | |
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86 |
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87 ngx_ssl_session_t *session; |
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88 ngx_connection_handler_pt save_session; |
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89 |
547 | 90 ngx_event_handler_pt saved_read_handler; |
91 ngx_event_handler_pt saved_write_handler; | |
479 | 92 |
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93 ngx_ssl_ocsp_t *ocsp; |
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94 |
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95 u_char early_buf; |
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96 |
547 | 97 unsigned handshaked:1; |
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98 unsigned handshake_rejected:1; |
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99 unsigned renegotiation:1; |
547 | 100 unsigned buffer:1; |
101 unsigned no_wait_shutdown:1; | |
102 unsigned no_send_shutdown:1; | |
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103 unsigned handshake_buffer_set:1; |
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104 unsigned try_early_data:1; |
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105 unsigned in_early:1; |
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106 unsigned in_ocsp:1; |
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107 unsigned early_preread:1; |
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108 unsigned write_blocked:1; |
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109 }; |
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110 |
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111 |
2032 | 112 #define NGX_SSL_NO_SCACHE -2 |
113 #define NGX_SSL_NONE_SCACHE -3 | |
114 #define NGX_SSL_NO_BUILTIN_SCACHE -4 | |
115 #define NGX_SSL_DFLT_BUILTIN_SCACHE -5 | |
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116 |
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117 |
1778 | 118 #define NGX_SSL_MAX_SESSION_SIZE 4096 |
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119 |
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120 typedef struct ngx_ssl_sess_id_s ngx_ssl_sess_id_t; |
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121 |
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122 struct ngx_ssl_sess_id_s { |
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123 ngx_rbtree_node_t node; |
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124 u_char *id; |
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125 size_t len; |
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126 u_char *session; |
1760 | 127 ngx_queue_t queue; |
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128 time_t expire; |
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129 #if (NGX_PTR_SIZE == 8) |
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130 void *stub; |
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131 u_char sess_id[32]; |
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132 #endif |
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133 }; |
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134 |
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135 |
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136 typedef struct { |
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137 ngx_rbtree_t session_rbtree; |
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138 ngx_rbtree_node_t sentinel; |
1760 | 139 ngx_queue_t expire_queue; |
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140 } ngx_ssl_session_cache_t; |
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141 |
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142 |
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143 #ifdef SSL_CTRL_SET_TLSEXT_TICKET_KEY_CB |
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144 |
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145 typedef struct { |
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146 size_t size; |
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147 u_char name[16]; |
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148 u_char hmac_key[32]; |
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149 u_char aes_key[32]; |
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150 } ngx_ssl_session_ticket_key_t; |
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151 |
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152 #endif |
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153 |
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154 |
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155 #define NGX_SSL_SSLv2 0x0002 |
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156 #define NGX_SSL_SSLv3 0x0004 |
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157 #define NGX_SSL_TLSv1 0x0008 |
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158 #define NGX_SSL_TLSv1_1 0x0010 |
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159 #define NGX_SSL_TLSv1_2 0x0020 |
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160 #define NGX_SSL_TLSv1_3 0x0040 |
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161 |
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162 |
547 | 163 #define NGX_SSL_BUFFER 1 |
577 | 164 #define NGX_SSL_CLIENT 2 |
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165 |
547 | 166 #define NGX_SSL_BUFSIZE 16384 |
393
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167 |
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168 |
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169 ngx_int_t ngx_ssl_init(ngx_log_t *log); |
969 | 170 ngx_int_t ngx_ssl_create(ngx_ssl_t *ssl, ngx_uint_t protocols, void *data); |
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171 |
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172 ngx_int_t ngx_ssl_certificates(ngx_conf_t *cf, ngx_ssl_t *ssl, |
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173 ngx_array_t *certs, ngx_array_t *keys, ngx_array_t *passwords); |
563 | 174 ngx_int_t ngx_ssl_certificate(ngx_conf_t *cf, ngx_ssl_t *ssl, |
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175 ngx_str_t *cert, ngx_str_t *key, ngx_array_t *passwords); |
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176 ngx_int_t ngx_ssl_connection_certificate(ngx_connection_t *c, ngx_pool_t *pool, |
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177 ngx_str_t *cert, ngx_str_t *key, ngx_array_t *passwords); |
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178 |
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179 ngx_int_t ngx_ssl_ciphers(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_str_t *ciphers, |
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180 ngx_uint_t prefer_server_ciphers); |
647 | 181 ngx_int_t ngx_ssl_client_certificate(ngx_conf_t *cf, ngx_ssl_t *ssl, |
671 | 182 ngx_str_t *cert, ngx_int_t depth); |
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183 ngx_int_t ngx_ssl_trusted_certificate(ngx_conf_t *cf, ngx_ssl_t *ssl, |
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184 ngx_str_t *cert, ngx_int_t depth); |
2995 | 185 ngx_int_t ngx_ssl_crl(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_str_t *crl); |
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186 ngx_int_t ngx_ssl_stapling(ngx_conf_t *cf, ngx_ssl_t *ssl, |
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187 ngx_str_t *file, ngx_str_t *responder, ngx_uint_t verify); |
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188 ngx_int_t ngx_ssl_stapling_resolver(ngx_conf_t *cf, ngx_ssl_t *ssl, |
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189 ngx_resolver_t *resolver, ngx_msec_t resolver_timeout); |
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190 ngx_int_t ngx_ssl_ocsp(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_str_t *responder, |
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191 ngx_uint_t depth, ngx_shm_zone_t *shm_zone); |
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192 ngx_int_t ngx_ssl_ocsp_resolver(ngx_conf_t *cf, ngx_ssl_t *ssl, |
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193 ngx_resolver_t *resolver, ngx_msec_t resolver_timeout); |
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194 ngx_int_t ngx_ssl_ocsp_validate(ngx_connection_t *c); |
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195 ngx_int_t ngx_ssl_ocsp_get_status(ngx_connection_t *c, const char **s); |
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196 void ngx_ssl_ocsp_cleanup(ngx_connection_t *c); |
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197 ngx_int_t ngx_ssl_ocsp_cache_init(ngx_shm_zone_t *shm_zone, void *data); |
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198 RSA *ngx_ssl_rsa512_key_callback(ngx_ssl_conn_t *ssl_conn, int is_export, |
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199 int key_length); |
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200 ngx_array_t *ngx_ssl_read_password_file(ngx_conf_t *cf, ngx_str_t *file); |
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201 ngx_array_t *ngx_ssl_preserve_passwords(ngx_conf_t *cf, |
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202 ngx_array_t *passwords); |
2044 | 203 ngx_int_t ngx_ssl_dhparam(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_str_t *file); |
3960 | 204 ngx_int_t ngx_ssl_ecdh_curve(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_str_t *name); |
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205 ngx_int_t ngx_ssl_early_data(ngx_conf_t *cf, ngx_ssl_t *ssl, |
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206 ngx_uint_t enable); |
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207 ngx_int_t ngx_ssl_conf_commands(ngx_conf_t *cf, ngx_ssl_t *ssl, |
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208 ngx_array_t *commands); |
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209 |
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210 ngx_int_t ngx_ssl_client_session_cache(ngx_conf_t *cf, ngx_ssl_t *ssl, |
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211 ngx_uint_t enable); |
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212 ngx_int_t ngx_ssl_session_cache(ngx_ssl_t *ssl, ngx_str_t *sess_ctx, |
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213 ngx_array_t *certificates, ssize_t builtin_session_cache, |
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214 ngx_shm_zone_t *shm_zone, time_t timeout); |
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215 ngx_int_t ngx_ssl_session_ticket_keys(ngx_conf_t *cf, ngx_ssl_t *ssl, |
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216 ngx_array_t *paths); |
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217 ngx_int_t ngx_ssl_session_cache_init(ngx_shm_zone_t *shm_zone, void *data); |
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218 |
547 | 219 ngx_int_t ngx_ssl_create_connection(ngx_ssl_t *ssl, ngx_connection_t *c, |
543 | 220 ngx_uint_t flags); |
577 | 221 |
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222 void ngx_ssl_remove_cached_session(SSL_CTX *ssl, ngx_ssl_session_t *sess); |
577 | 223 ngx_int_t ngx_ssl_set_session(ngx_connection_t *c, ngx_ssl_session_t *session); |
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224 ngx_ssl_session_t *ngx_ssl_get_session(ngx_connection_t *c); |
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225 ngx_ssl_session_t *ngx_ssl_get0_session(ngx_connection_t *c); |
611 | 226 #define ngx_ssl_free_session SSL_SESSION_free |
969 | 227 #define ngx_ssl_get_connection(ssl_conn) \ |
228 SSL_get_ex_data(ssl_conn, ngx_ssl_connection_index) | |
229 #define ngx_ssl_get_server_conf(ssl_ctx) \ | |
230 SSL_CTX_get_ex_data(ssl_ctx, ngx_ssl_server_conf_index) | |
611 | 231 |
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232 #define ngx_ssl_verify_error_optional(n) \ |
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233 (n == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT \ |
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234 || n == X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN \ |
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235 || n == X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY \ |
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236 || n == X509_V_ERR_CERT_UNTRUSTED \ |
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237 || n == X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE) |
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238 |
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239 ngx_int_t ngx_ssl_check_host(ngx_connection_t *c, ngx_str_t *name); |
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240 |
611 | 241 |
671 | 242 ngx_int_t ngx_ssl_get_protocol(ngx_connection_t *c, ngx_pool_t *pool, |
243 ngx_str_t *s); | |
244 ngx_int_t ngx_ssl_get_cipher_name(ngx_connection_t *c, ngx_pool_t *pool, | |
245 ngx_str_t *s); | |
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246 ngx_int_t ngx_ssl_get_ciphers(ngx_connection_t *c, ngx_pool_t *pool, |
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247 ngx_str_t *s); |
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SSL: $ssl_curves (ticket #1088).
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248 ngx_int_t ngx_ssl_get_curves(ngx_connection_t *c, ngx_pool_t *pool, |
e75e854657ba
SSL: $ssl_curves (ticket #1088).
Maxim Dounin <mdounin@mdounin.ru>
parents:
6816
diff
changeset
|
249 ngx_str_t *s); |
3154 | 250 ngx_int_t ngx_ssl_get_session_id(ngx_connection_t *c, ngx_pool_t *pool, |
251 ngx_str_t *s); | |
5573
7c05f6590753
SSL: the $ssl_session_reused variable.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5487
diff
changeset
|
252 ngx_int_t ngx_ssl_get_session_reused(ngx_connection_t *c, ngx_pool_t *pool, |
7c05f6590753
SSL: the $ssl_session_reused variable.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5487
diff
changeset
|
253 ngx_str_t *s); |
7333
ba971deb4b44
SSL: support for TLSv1.3 early data with BoringSSL.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7320
diff
changeset
|
254 ngx_int_t ngx_ssl_get_early_data(ngx_connection_t *c, ngx_pool_t *pool, |
ba971deb4b44
SSL: support for TLSv1.3 early data with BoringSSL.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7320
diff
changeset
|
255 ngx_str_t *s); |
5658
94ae92776441
SSL: $ssl_server_name variable.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5573
diff
changeset
|
256 ngx_int_t ngx_ssl_get_server_name(ngx_connection_t *c, ngx_pool_t *pool, |
94ae92776441
SSL: $ssl_server_name variable.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5573
diff
changeset
|
257 ngx_str_t *s); |
2123 | 258 ngx_int_t ngx_ssl_get_raw_certificate(ngx_connection_t *c, ngx_pool_t *pool, |
259 ngx_str_t *s); | |
2045 | 260 ngx_int_t ngx_ssl_get_certificate(ngx_connection_t *c, ngx_pool_t *pool, |
261 ngx_str_t *s); | |
7091
82f0b8dcca27
SSL: the $ssl_client_escaped_cert variable (ticket #857).
Maxim Dounin <mdounin@mdounin.ru>
parents:
6982
diff
changeset
|
262 ngx_int_t ngx_ssl_get_escaped_certificate(ngx_connection_t *c, ngx_pool_t *pool, |
82f0b8dcca27
SSL: the $ssl_client_escaped_cert variable (ticket #857).
Maxim Dounin <mdounin@mdounin.ru>
parents:
6982
diff
changeset
|
263 ngx_str_t *s); |
647 | 264 ngx_int_t ngx_ssl_get_subject_dn(ngx_connection_t *c, ngx_pool_t *pool, |
265 ngx_str_t *s); | |
266 ngx_int_t ngx_ssl_get_issuer_dn(ngx_connection_t *c, ngx_pool_t *pool, | |
267 ngx_str_t *s); | |
6780
56d6bfe6b609
SSL: RFC2253 compliant $ssl_client_s_dn and $ssl_client_i_dn.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
6735
diff
changeset
|
268 ngx_int_t ngx_ssl_get_subject_dn_legacy(ngx_connection_t *c, ngx_pool_t *pool, |
56d6bfe6b609
SSL: RFC2253 compliant $ssl_client_s_dn and $ssl_client_i_dn.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
6735
diff
changeset
|
269 ngx_str_t *s); |
56d6bfe6b609
SSL: RFC2253 compliant $ssl_client_s_dn and $ssl_client_i_dn.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
6735
diff
changeset
|
270 ngx_int_t ngx_ssl_get_issuer_dn_legacy(ngx_connection_t *c, ngx_pool_t *pool, |
56d6bfe6b609
SSL: RFC2253 compliant $ssl_client_s_dn and $ssl_client_i_dn.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
6735
diff
changeset
|
271 ngx_str_t *s); |
671 | 272 ngx_int_t ngx_ssl_get_serial_number(ngx_connection_t *c, ngx_pool_t *pool, |
273 ngx_str_t *s); | |
5700
5e892d40e5cc
SSL: $ssl_client_fingerprint variable.
Sergey Budnevitch <sb@waeme.net>
parents:
5661
diff
changeset
|
274 ngx_int_t ngx_ssl_get_fingerprint(ngx_connection_t *c, ngx_pool_t *pool, |
5e892d40e5cc
SSL: $ssl_client_fingerprint variable.
Sergey Budnevitch <sb@waeme.net>
parents:
5661
diff
changeset
|
275 ngx_str_t *s); |
2994 | 276 ngx_int_t ngx_ssl_get_client_verify(ngx_connection_t *c, ngx_pool_t *pool, |
277 ngx_str_t *s); | |
6815
2d15fff64e3c
SSL: $ssl_client_v_start, $ssl_client_v_end, $ssl_client_v_remain.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6812
diff
changeset
|
278 ngx_int_t ngx_ssl_get_client_v_start(ngx_connection_t *c, ngx_pool_t *pool, |
2d15fff64e3c
SSL: $ssl_client_v_start, $ssl_client_v_end, $ssl_client_v_remain.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6812
diff
changeset
|
279 ngx_str_t *s); |
2d15fff64e3c
SSL: $ssl_client_v_start, $ssl_client_v_end, $ssl_client_v_remain.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6812
diff
changeset
|
280 ngx_int_t ngx_ssl_get_client_v_end(ngx_connection_t *c, ngx_pool_t *pool, |
2d15fff64e3c
SSL: $ssl_client_v_start, $ssl_client_v_end, $ssl_client_v_remain.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6812
diff
changeset
|
281 ngx_str_t *s); |
2d15fff64e3c
SSL: $ssl_client_v_start, $ssl_client_v_end, $ssl_client_v_remain.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6812
diff
changeset
|
282 ngx_int_t ngx_ssl_get_client_v_remain(ngx_connection_t *c, ngx_pool_t *pool, |
2d15fff64e3c
SSL: $ssl_client_v_start, $ssl_client_v_end, $ssl_client_v_remain.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6812
diff
changeset
|
283 ngx_str_t *s); |
671 | 284 |
647 | 285 |
547 | 286 ngx_int_t ngx_ssl_handshake(ngx_connection_t *c); |
469 | 287 ssize_t ngx_ssl_recv(ngx_connection_t *c, u_char *buf, size_t size); |
539 | 288 ssize_t ngx_ssl_write(ngx_connection_t *c, u_char *data, size_t size); |
5882
ec81934727a1
Core: added limit to recv_chain().
Roman Arutyunyan <arut@nginx.com>
parents:
5777
diff
changeset
|
289 ssize_t ngx_ssl_recv_chain(ngx_connection_t *c, ngx_chain_t *cl, off_t limit); |
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
290 ngx_chain_t *ngx_ssl_send_chain(ngx_connection_t *c, ngx_chain_t *in, |
489 | 291 off_t limit); |
1779
06014cfdb5b1
create ssl buffer on demand and free it before keep-alive
Igor Sysoev <igor@sysoev.ru>
parents:
1778
diff
changeset
|
292 void ngx_ssl_free_buffer(ngx_connection_t *c); |
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
293 ngx_int_t ngx_ssl_shutdown(ngx_connection_t *c); |
583 | 294 void ngx_cdecl ngx_ssl_error(ngx_uint_t level, ngx_log_t *log, ngx_err_t err, |
489 | 295 char *fmt, ...); |
509 | 296 void ngx_ssl_cleanup_ctx(void *data); |
393
5659d773cfa8
nginx-0.0.7-2004-07-15-20:35:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
297 |
5659d773cfa8
nginx-0.0.7-2004-07-15-20:35:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
298 |
969 | 299 extern int ngx_ssl_connection_index; |
300 extern int ngx_ssl_server_conf_index; | |
974
8dfb3aa75de2
move the session cache callbacks to the ngx_openssl_module
Igor Sysoev <igor@sysoev.ru>
parents:
969
diff
changeset
|
301 extern int ngx_ssl_session_cache_index; |
5425
1356a3b96924
SSL: added ability to set keys used for Session Tickets (RFC5077).
Piotr Sikora <piotr@cloudflare.com>
parents:
5395
diff
changeset
|
302 extern int ngx_ssl_session_ticket_keys_index; |
7899
8409f9df6219
SSL: client certificate validation with OCSP (ticket #1534).
Roman Arutyunyan <arut@nginx.com>
parents:
7612
diff
changeset
|
303 extern int ngx_ssl_ocsp_index; |
4875
386a06a22c40
OCSP stapling: loading OCSP responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4873
diff
changeset
|
304 extern int ngx_ssl_certificate_index; |
6548
8a34e92d8ab5
SSL: made it possible to iterate though all certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6492
diff
changeset
|
305 extern int ngx_ssl_next_certificate_index; |
6812
a7ec59df0c4d
OCSP stapling: added certificate name to warnings.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6780
diff
changeset
|
306 extern int ngx_ssl_certificate_name_index; |
4875
386a06a22c40
OCSP stapling: loading OCSP responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4873
diff
changeset
|
307 extern int ngx_ssl_stapling_index; |
671 | 308 |
309 | |
393
5659d773cfa8
nginx-0.0.7-2004-07-15-20:35:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
310 #endif /* _NGX_EVENT_OPENSSL_H_INCLUDED_ */ |