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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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5
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6
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7 #ifndef _NGX_EVENT_OPENSSL_H_INCLUDED_
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8 #define _NGX_EVENT_OPENSSL_H_INCLUDED_
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9
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10
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11 #include <ngx_config.h>
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12 #include <ngx_core.h>
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13
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14 #include <openssl/ssl.h>
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15 #include <openssl/err.h>
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16
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90
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17 #if OPENSSL_VERSION_NUMBER >= 0x00907000
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272
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18 #include <openssl/conf.h>
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90
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19 #include <openssl/engine.h>
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96
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20 #define NGX_SSL_ENGINE 1
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90
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21 #endif
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22
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96
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23 #define NGX_SSL_NAME "OpenSSL"
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24
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25
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220
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26 #define ngx_ssl_session_t SSL_SESSION
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27 #define ngx_ssl_conn_t SSL
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28
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29
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96
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30 typedef struct {
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31 SSL_CTX *ctx;
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32 ngx_log_t *log;
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33 } ngx_ssl_t;
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90
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34
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0
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35
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36 typedef struct {
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220
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37 ngx_ssl_conn_t *connection;
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196
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38
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96
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39 ngx_int_t last;
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40 ngx_buf_t *buf;
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41
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42 ngx_connection_handler_pt handler;
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0
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43
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96
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44 ngx_event_handler_pt saved_read_handler;
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45 ngx_event_handler_pt saved_write_handler;
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28
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46
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96
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47 unsigned handshaked:1;
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48 unsigned buffer:1;
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49 unsigned no_wait_shutdown:1;
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50 unsigned no_send_shutdown:1;
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51 } ngx_ssl_connection_t;
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0
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52
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53
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272
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54 #define NGX_SSL_DFLT_BUILTIN_SCACHE -2
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55 #define NGX_SSL_NO_BUILTIN_SCACHE -3
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56
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57
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58 typedef struct ngx_ssl_cached_sess_s ngx_ssl_cached_sess_t;
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59
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60
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61 #define NGX_SSL_MAX_SESSION_SIZE (4096 - offsetof(ngx_ssl_cached_sess_t, asn1))
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62
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63
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64 typedef struct {
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65 ngx_rbtree_node_t node;
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66 u_char *id;
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67 size_t len;
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68 ngx_ssl_cached_sess_t *session;
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69 } ngx_ssl_sess_id_t;
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70
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71
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72 struct ngx_ssl_cached_sess_s {
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73 ngx_ssl_cached_sess_t *prev;
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74 ngx_ssl_cached_sess_t *next;
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75 time_t expire;
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76 ngx_ssl_sess_id_t *sess_id;
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77 u_char asn1[1];
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78 };
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79
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80
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81 typedef struct {
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82 ngx_rbtree_t *session_rbtree;
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83 ngx_ssl_cached_sess_t session_cache_head;
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84 ngx_ssl_cached_sess_t session_cache_tail;
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85 } ngx_ssl_session_cache_t;
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86
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87
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88
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96
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89 #define NGX_SSL_SSLv2 2
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90 #define NGX_SSL_SSLv3 4
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91 #define NGX_SSL_TLSv1 8
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0
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92
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93
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96
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94 #define NGX_SSL_BUFFER 1
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126
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95 #define NGX_SSL_CLIENT 2
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0
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96
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96
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97 #define NGX_SSL_BUFSIZE 16384
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0
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98
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99
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100 ngx_int_t ngx_ssl_init(ngx_log_t *log);
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272
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101 ngx_int_t ngx_ssl_create(ngx_ssl_t *ssl, ngx_uint_t protocols, void *data);
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112
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102 ngx_int_t ngx_ssl_certificate(ngx_conf_t *cf, ngx_ssl_t *ssl,
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103 ngx_str_t *cert, ngx_str_t *key);
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196
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104 ngx_int_t ngx_ssl_client_certificate(ngx_conf_t *cf, ngx_ssl_t *ssl,
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220
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105 ngx_str_t *cert, ngx_int_t depth);
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96
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106 ngx_int_t ngx_ssl_generate_rsa512_key(ngx_ssl_t *ssl);
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272
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107 ngx_int_t ngx_ssl_session_cache(ngx_ssl_t *ssl, ngx_str_t *sess_ctx,
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108 ssize_t builtin_session_cache, ngx_shm_zone_t *shm_zone, time_t timeout);
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96
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109 ngx_int_t ngx_ssl_create_connection(ngx_ssl_t *ssl, ngx_connection_t *c,
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92
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110 ngx_uint_t flags);
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126
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111
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112 ngx_int_t ngx_ssl_set_session(ngx_connection_t *c, ngx_ssl_session_t *session);
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160
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113 #define ngx_ssl_get_session(c) SSL_get1_session(c->ssl->connection)
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114 #define ngx_ssl_free_session SSL_SESSION_free
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272
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115 #define ngx_ssl_get_connection(ssl_conn) \
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116 SSL_get_ex_data(ssl_conn, ngx_ssl_connection_index)
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117 #define ngx_ssl_get_server_conf(ssl_ctx) \
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118 SSL_CTX_get_ex_data(ssl_ctx, ngx_ssl_server_conf_index)
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160
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119
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120
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220
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121 ngx_int_t ngx_ssl_get_protocol(ngx_connection_t *c, ngx_pool_t *pool,
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122 ngx_str_t *s);
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123 ngx_int_t ngx_ssl_get_cipher_name(ngx_connection_t *c, ngx_pool_t *pool,
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124 ngx_str_t *s);
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196
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125 ngx_int_t ngx_ssl_get_subject_dn(ngx_connection_t *c, ngx_pool_t *pool,
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126 ngx_str_t *s);
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127 ngx_int_t ngx_ssl_get_issuer_dn(ngx_connection_t *c, ngx_pool_t *pool,
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128 ngx_str_t *s);
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220
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129 ngx_int_t ngx_ssl_get_serial_number(ngx_connection_t *c, ngx_pool_t *pool,
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130 ngx_str_t *s);
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131
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196
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132
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96
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133 ngx_int_t ngx_ssl_handshake(ngx_connection_t *c);
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18
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134 ssize_t ngx_ssl_recv(ngx_connection_t *c, u_char *buf, size_t size);
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88
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135 ssize_t ngx_ssl_write(ngx_connection_t *c, u_char *data, size_t size);
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126
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136 ssize_t ngx_ssl_recv_chain(ngx_connection_t *c, ngx_chain_t *cl);
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0
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137 ngx_chain_t *ngx_ssl_send_chain(ngx_connection_t *c, ngx_chain_t *in,
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38
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138 off_t limit);
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139 ngx_int_t ngx_ssl_shutdown(ngx_connection_t *c);
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132
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140 void ngx_cdecl ngx_ssl_error(ngx_uint_t level, ngx_log_t *log, ngx_err_t err,
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38
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141 char *fmt, ...);
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58
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142 void ngx_ssl_cleanup_ctx(void *data);
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0
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143
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144
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272
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145 extern int ngx_ssl_connection_index;
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146 extern int ngx_ssl_server_conf_index;
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147 extern int ngx_ssl_session_cache_index;
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220
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148
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149
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0
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150 #endif /* _NGX_EVENT_OPENSSL_H_INCLUDED_ */
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