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0
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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 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9 #include <ngx_event.h>
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10
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90
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11
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12 typedef struct {
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13 ngx_str_t engine;
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14 } ngx_openssl_conf_t;
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28
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15
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0
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16
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220
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17 static int ngx_http_ssl_verify_callback(int ok, X509_STORE_CTX *x509_store);
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96
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18 static void ngx_ssl_handshake_handler(ngx_event_t *ev);
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38
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19 static ngx_int_t ngx_ssl_handle_recv(ngx_connection_t *c, int n);
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22
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20 static void ngx_ssl_write_handler(ngx_event_t *wev);
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21 static void ngx_ssl_read_handler(ngx_event_t *rev);
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126
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22 static void ngx_ssl_shutdown_handler(ngx_event_t *ev);
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96
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23 static void ngx_ssl_connection_error(ngx_connection_t *c, int sslerr,
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24 ngx_err_t err, char *text);
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358
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25 static void ngx_ssl_clear_error(ngx_log_t *log);
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272
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26
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27 static ngx_int_t ngx_ssl_session_cache_init(ngx_shm_zone_t *shm_zone,
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28 void *data);
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29 static int ngx_ssl_new_session(ngx_ssl_conn_t *ssl_conn,
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30 ngx_ssl_session_t *sess);
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31 static ngx_ssl_session_t *ngx_ssl_get_cached_session(ngx_ssl_conn_t *ssl_conn,
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32 u_char *id, int len, int *copy);
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33 static void ngx_ssl_remove_session(SSL_CTX *ssl, ngx_ssl_session_t *sess);
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34 static void ngx_ssl_expire_sessions(ngx_ssl_session_cache_t *cache,
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35 ngx_slab_pool_t *shpool, ngx_uint_t n);
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274
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36 static void ngx_ssl_session_rbtree_insert_value(ngx_rbtree_node_t *temp,
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37 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel);
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272
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38
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90
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39 static void *ngx_openssl_create_conf(ngx_cycle_t *cycle);
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40 static char *ngx_openssl_init_conf(ngx_cycle_t *cycle, void *conf);
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120
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41 static void ngx_openssl_exit(ngx_cycle_t *cycle);
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90
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42
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43 #if !(NGX_SSL_ENGINE)
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44 static char *ngx_openssl_noengine(ngx_conf_t *cf, ngx_command_t *cmd,
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45 void *conf);
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46 #endif
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47
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48
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49 static ngx_command_t ngx_openssl_commands[] = {
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50
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51 { ngx_string("ssl_engine"),
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52 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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53 #if (NGX_SSL_ENGINE)
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54 ngx_conf_set_str_slot,
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55 #else
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56 ngx_openssl_noengine,
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57 #endif
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58 0,
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59 offsetof(ngx_openssl_conf_t, engine),
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60 NULL },
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61
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62 ngx_null_command
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63 };
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64
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65
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66 static ngx_core_module_t ngx_openssl_module_ctx = {
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67 ngx_string("openssl"),
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68 ngx_openssl_create_conf,
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69 ngx_openssl_init_conf
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126
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70 };
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90
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71
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72
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73 ngx_module_t ngx_openssl_module = {
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74 NGX_MODULE_V1,
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75 &ngx_openssl_module_ctx, /* module context */
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76 ngx_openssl_commands, /* module directives */
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77 NGX_CORE_MODULE, /* module type */
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78 NULL, /* init master */
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79 NULL, /* init module */
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80 NULL, /* init process */
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81 NULL, /* init thread */
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82 NULL, /* exit thread */
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83 NULL, /* exit process */
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120
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84 ngx_openssl_exit, /* exit master */
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90
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85 NGX_MODULE_V1_PADDING
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96
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86 };
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87
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88
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89 static long ngx_ssl_protocols[] = {
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90 SSL_OP_NO_SSLv2|SSL_OP_NO_SSLv3|SSL_OP_NO_TLSv1,
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91 SSL_OP_NO_SSLv3|SSL_OP_NO_TLSv1,
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92 SSL_OP_NO_SSLv2|SSL_OP_NO_TLSv1,
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93 SSL_OP_NO_TLSv1,
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94 SSL_OP_NO_SSLv2|SSL_OP_NO_SSLv3,
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95 SSL_OP_NO_SSLv3,
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96 SSL_OP_NO_SSLv2,
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97 0,
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98 };
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0
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99
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100
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272
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101 int ngx_ssl_connection_index;
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102 int ngx_ssl_server_conf_index;
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103 int ngx_ssl_session_cache_index;
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220
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104
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105
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38
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106 ngx_int_t
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107 ngx_ssl_init(ngx_log_t *log)
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0
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108 {
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272
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109 #if OPENSSL_VERSION_NUMBER >= 0x00907000
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110 OPENSSL_config(NULL);
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111 #endif
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112
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0
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113 SSL_library_init();
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114 SSL_load_error_strings();
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90
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115
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116 #if (NGX_SSL_ENGINE)
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28
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117 ENGINE_load_builtin_engines();
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90
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118 #endif
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0
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119
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272
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120 ngx_ssl_connection_index = SSL_get_ex_new_index(0, NULL, NULL, NULL, NULL);
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121
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122 if (ngx_ssl_connection_index == -1) {
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123 ngx_ssl_error(NGX_LOG_ALERT, log, 0, "SSL_get_ex_new_index() failed");
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124 return NGX_ERROR;
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125 }
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220
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126
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272
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127 ngx_ssl_server_conf_index = SSL_CTX_get_ex_new_index(0, NULL, NULL, NULL,
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128 NULL);
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129 if (ngx_ssl_server_conf_index == -1) {
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130 ngx_ssl_error(NGX_LOG_ALERT, log, 0,
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131 "SSL_CTX_get_ex_new_index() failed");
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132 return NGX_ERROR;
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133 }
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134
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135 ngx_ssl_session_cache_index = SSL_CTX_get_ex_new_index(0, NULL, NULL, NULL,
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136 NULL);
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137 if (ngx_ssl_session_cache_index == -1) {
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138 ngx_ssl_error(NGX_LOG_ALERT, log, 0,
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139 "SSL_CTX_get_ex_new_index() failed");
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220
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140 return NGX_ERROR;
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141 }
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142
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0
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143 return NGX_OK;
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144 }
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145
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146
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38
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147 ngx_int_t
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272
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148 ngx_ssl_create(ngx_ssl_t *ssl, ngx_uint_t protocols, void *data)
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96
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149 {
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126
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150 ssl->ctx = SSL_CTX_new(SSLv23_method());
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96
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151
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152 if (ssl->ctx == NULL) {
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153 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0, "SSL_CTX_new() failed");
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154 return NGX_ERROR;
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155 }
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156
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272
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157 if (SSL_CTX_set_ex_data(ssl->ctx, ngx_ssl_server_conf_index, data) == 0) {
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158 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
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159 "SSL_CTX_set_ex_data() failed");
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160 return NGX_ERROR;
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161 }
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162
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126
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163 /* client side options */
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164
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165 SSL_CTX_set_options(ssl->ctx, SSL_OP_MICROSOFT_SESS_ID_BUG);
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166 SSL_CTX_set_options(ssl->ctx, SSL_OP_NETSCAPE_CHALLENGE_BUG);
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167 SSL_CTX_set_options(ssl->ctx, SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG);
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168
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169 /* server side options */
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112
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170
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171 SSL_CTX_set_options(ssl->ctx, SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG);
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172 SSL_CTX_set_options(ssl->ctx, SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER);
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173
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174 /* this option allow a potential SSL 2.0 rollback (CAN-2005-2969) */
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175 SSL_CTX_set_options(ssl->ctx, SSL_OP_MSIE_SSLV2_RSA_PADDING);
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176
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177 SSL_CTX_set_options(ssl->ctx, SSL_OP_SSLEAY_080_CLIENT_DH_BUG);
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178 SSL_CTX_set_options(ssl->ctx, SSL_OP_TLS_D5_BUG);
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179 SSL_CTX_set_options(ssl->ctx, SSL_OP_TLS_BLOCK_PADDING_BUG);
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180
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181 #ifdef SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS
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182 SSL_CTX_set_options(ssl->ctx, SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS);
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183 #endif
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184
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380
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185 SSL_CTX_set_options(ssl->ctx, SSL_OP_SINGLE_DH_USE);
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96
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186
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187 if (ngx_ssl_protocols[protocols >> 1] != 0) {
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188 SSL_CTX_set_options(ssl->ctx, ngx_ssl_protocols[protocols >> 1]);
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189 }
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190
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364
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191 /*
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192 * we need this option because in ngx_ssl_send_chain()
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193 * we may switch to a buffered write and may copy leftover part of
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194 * previously unbuffered data to our internal buffer
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195 */
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196 SSL_CTX_set_mode(ssl->ctx, SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER);
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197
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96
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198 SSL_CTX_set_read_ahead(ssl->ctx, 1);
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199
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200 return NGX_OK;
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201 }
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202
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203
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204 ngx_int_t
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112
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205 ngx_ssl_certificate(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_str_t *cert,
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206 ngx_str_t *key)
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96
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207 {
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324
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208 if (ngx_conf_full_name(cf->cycle, cert, 1) == NGX_ERROR) {
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96
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209 return NGX_ERROR;
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210 }
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211
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112
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212 if (SSL_CTX_use_certificate_chain_file(ssl->ctx, (char *) cert->data)
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96
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213 == 0)
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214 {
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215 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
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112
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216 "SSL_CTX_use_certificate_chain_file(\"%s\") failed",
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217 cert->data);
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218 return NGX_ERROR;
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219 }
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220
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324
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221 if (ngx_conf_full_name(cf->cycle, key, 1) == NGX_ERROR) {
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112
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222 return NGX_ERROR;
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223 }
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224
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225 if (SSL_CTX_use_PrivateKey_file(ssl->ctx, (char *) key->data,
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196
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226 SSL_FILETYPE_PEM)
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227 == 0)
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112
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228 {
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229 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
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230 "SSL_CTX_use_PrivateKey_file(\"%s\") failed", key->data);
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96
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231 return NGX_ERROR;
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232 }
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233
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234 return NGX_OK;
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235 }
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236
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237
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238 ngx_int_t
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220
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239 ngx_ssl_client_certificate(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_str_t *cert,
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240 ngx_int_t depth)
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196
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241 {
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220
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242 STACK_OF(X509_NAME) *list;
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243
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244 SSL_CTX_set_verify(ssl->ctx, SSL_VERIFY_PEER, ngx_http_ssl_verify_callback);
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245
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246 SSL_CTX_set_verify_depth(ssl->ctx, depth);
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247
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248 if (cert->len == 0) {
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249 return NGX_OK;
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250 }
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251
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324
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252 if (ngx_conf_full_name(cf->cycle, cert, 1) == NGX_ERROR) {
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196
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253 return NGX_ERROR;
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254 }
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255
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256 if (SSL_CTX_load_verify_locations(ssl->ctx, (char *) cert->data, NULL)
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257 == 0)
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258 {
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259 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
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260 "SSL_CTX_load_verify_locations(\"%s\") failed",
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261 cert->data);
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262 return NGX_ERROR;
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263 }
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264
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220
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265 list = SSL_load_client_CA_file((char *) cert->data);
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266
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267 if (list == NULL) {
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268 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
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269 "SSL_load_client_CA_file(\"%s\") failed", cert->data);
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270 return NGX_ERROR;
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271 }
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272
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273 /*
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274 * before 0.9.7h and 0.9.8 SSL_load_client_CA_file()
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275 * always leaved an error in the error queue
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276 */
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277
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278 ERR_clear_error();
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279
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280 SSL_CTX_set_client_CA_list(ssl->ctx, list);
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281
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196
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282 return NGX_OK;
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283 }
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284
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285
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220
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286 static int
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287 ngx_http_ssl_verify_callback(int ok, X509_STORE_CTX *x509_store)
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288 {
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372
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289 #if (NGX_DEBUG)
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220
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290 char *subject, *issuer;
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291 int err, depth;
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292 X509 *cert;
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372
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293 X509_NAME *sname, *iname;
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220
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294 ngx_connection_t *c;
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295 ngx_ssl_conn_t *ssl_conn;
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296
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297 ssl_conn = X509_STORE_CTX_get_ex_data(x509_store,
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298 SSL_get_ex_data_X509_STORE_CTX_idx());
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299
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300 c = ngx_ssl_get_connection(ssl_conn);
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301
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302 cert = X509_STORE_CTX_get_current_cert(x509_store);
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303 err = X509_STORE_CTX_get_error(x509_store);
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304 depth = X509_STORE_CTX_get_error_depth(x509_store);
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305
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372
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306 sname = X509_get_subject_name(cert);
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307 subject = sname ? X509_NAME_oneline(sname, NULL, 0) : "(none)";
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308
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309 iname = X509_get_issuer_name(cert);
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310 issuer = iname ? X509_NAME_oneline(iname, NULL, 0) : "(none)";
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220
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311
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272
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312 ngx_log_debug5(NGX_LOG_DEBUG_EVENT, c->log, 0,
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220
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313 "verify:%d, error:%d, depth:%d, "
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314 "subject:\"%s\",issuer: \"%s\"",
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315 ok, err, depth, subject, issuer);
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316
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372
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317 if (sname) {
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318 OPENSSL_free(subject);
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319 }
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320
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321 if (iname) {
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322 OPENSSL_free(issuer);
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323 }
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324 #endif
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325
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220
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326 return 1;
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327 }
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328
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329
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196
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330 ngx_int_t
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96
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331 ngx_ssl_generate_rsa512_key(ngx_ssl_t *ssl)
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332 {
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220
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333 RSA *key;
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334
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108
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335 if (SSL_CTX_need_tmp_RSA(ssl->ctx) == 0) {
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336 return NGX_OK;
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337 }
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338
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220
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339 key = RSA_generate_key(512, RSA_F4, NULL, NULL);
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96
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340
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220
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341 if (key) {
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342 SSL_CTX_set_tmp_rsa(ssl->ctx, key);
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343
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344 RSA_free(key);
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345
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96
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346 return NGX_OK;
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347 }
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348
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349 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0, "RSA_generate_key(512) failed");
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350
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351 return NGX_ERROR;
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352 }
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353
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354
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355 ngx_int_t
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380
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356 ngx_ssl_dhparam(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_str_t *file)
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357 {
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358 DH *dh;
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359 BIO *bio;
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360
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361 /*
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362 * -----BEGIN DH PARAMETERS-----
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363 * MIGHAoGBALu8LcrYRnSQfEP89YDpz9vZWKP1aLQtSwju1OsPs1BMbAMCducQgAxc
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364 * y7qokiYUxb7spWWl/fHSh6K8BJvmd4Bg6RqSp1fjBI9osHb302zI8pul34HcLKcl
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365 * 7OZicMyaUDXYzs7vnqAnSmOrHlj6/UmI0PZdFGdX2gcd8EXP4WubAgEC
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366 * -----END DH PARAMETERS-----
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367 */
|
|
|
368
|
|
|
369 static unsigned char dh1024_p[] = {
|
|
|
370 0xBB, 0xBC, 0x2D, 0xCA, 0xD8, 0x46, 0x74, 0x90, 0x7C, 0x43, 0xFC, 0xF5,
|
|
|
371 0x80, 0xE9, 0xCF, 0xDB, 0xD9, 0x58, 0xA3, 0xF5, 0x68, 0xB4, 0x2D, 0x4B,
|
|
|
372 0x08, 0xEE, 0xD4, 0xEB, 0x0F, 0xB3, 0x50, 0x4C, 0x6C, 0x03, 0x02, 0x76,
|
|
|
373 0xE7, 0x10, 0x80, 0x0C, 0x5C, 0xCB, 0xBA, 0xA8, 0x92, 0x26, 0x14, 0xC5,
|
|
|
374 0xBE, 0xEC, 0xA5, 0x65, 0xA5, 0xFD, 0xF1, 0xD2, 0x87, 0xA2, 0xBC, 0x04,
|
|
|
375 0x9B, 0xE6, 0x77, 0x80, 0x60, 0xE9, 0x1A, 0x92, 0xA7, 0x57, 0xE3, 0x04,
|
|
|
376 0x8F, 0x68, 0xB0, 0x76, 0xF7, 0xD3, 0x6C, 0xC8, 0xF2, 0x9B, 0xA5, 0xDF,
|
|
|
377 0x81, 0xDC, 0x2C, 0xA7, 0x25, 0xEC, 0xE6, 0x62, 0x70, 0xCC, 0x9A, 0x50,
|
|
|
378 0x35, 0xD8, 0xCE, 0xCE, 0xEF, 0x9E, 0xA0, 0x27, 0x4A, 0x63, 0xAB, 0x1E,
|
|
|
379 0x58, 0xFA, 0xFD, 0x49, 0x88, 0xD0, 0xF6, 0x5D, 0x14, 0x67, 0x57, 0xDA,
|
|
|
380 0x07, 0x1D, 0xF0, 0x45, 0xCF, 0xE1, 0x6B, 0x9B
|
|
|
381 };
|
|
|
382
|
|
|
383 static unsigned char dh1024_g[] = { 0x02 };
|
|
|
384
|
|
|
385
|
|
|
386 if (file->len == 0) {
|
|
|
387
|
|
|
388 dh = DH_new();
|
|
|
389 if (dh == NULL) {
|
|
|
390 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0, "DH_new() failed");
|
|
|
391 return NGX_ERROR;
|
|
|
392 }
|
|
|
393
|
|
|
394 dh->p = BN_bin2bn(dh1024_p, sizeof(dh1024_p), NULL);
|
|
|
395 dh->g = BN_bin2bn(dh1024_g, sizeof(dh1024_g), NULL);
|
|
|
396
|
|
|
397 if (dh->p == NULL || dh->g == NULL) {
|
|
|
398 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0, "BN_bin2bn() failed");
|
|
|
399 DH_free(dh);
|
|
|
400 return NGX_ERROR;
|
|
|
401 }
|
|
|
402
|
|
|
403 SSL_CTX_set_tmp_dh(ssl->ctx, dh);
|
|
|
404
|
|
|
405 DH_free(dh);
|
|
|
406
|
|
|
407 return NGX_OK;
|
|
|
408 }
|
|
|
409
|
|
|
410 if (ngx_conf_full_name(cf->cycle, file, 1) == NGX_ERROR) {
|
|
|
411 return NGX_ERROR;
|
|
|
412 }
|
|
|
413
|
|
|
414 bio = BIO_new_file((char *) file->data, "r");
|
|
|
415 if (bio == NULL) {
|
|
|
416 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
|
|
|
417 "BIO_new_file(\"%s\") failed", file->data);
|
|
|
418 return NGX_ERROR;
|
|
|
419 }
|
|
|
420
|
|
|
421 dh = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
|
|
|
422 if (dh == NULL) {
|
|
|
423 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
|
|
|
424 "PEM_read_bio_DHparams(\"%s\") failed", file->data);
|
|
|
425 BIO_free(bio);
|
|
|
426 return NGX_ERROR;
|
|
|
427 }
|
|
|
428
|
|
|
429 SSL_CTX_set_tmp_dh(ssl->ctx, dh);
|
|
|
430
|
|
|
431 DH_free(dh);
|
|
|
432 BIO_free(bio);
|
|
|
433
|
|
|
434 return NGX_OK;
|
|
|
435 }
|
|
|
436
|
|
|
437
|
|
|
438 ngx_int_t
|
|
96
|
439 ngx_ssl_create_connection(ngx_ssl_t *ssl, ngx_connection_t *c, ngx_uint_t flags)
|
|
126
|
440 {
|
|
96
|
441 ngx_ssl_connection_t *sc;
|
|
0
|
442
|
|
96
|
443 sc = ngx_pcalloc(c->pool, sizeof(ngx_ssl_connection_t));
|
|
|
444 if (sc == NULL) {
|
|
0
|
445 return NGX_ERROR;
|
|
|
446 }
|
|
|
447
|
|
358
|
448 sc->buffer = ((flags & NGX_SSL_BUFFER) != 0);
|
|
0
|
449
|
|
96
|
450 sc->connection = SSL_new(ssl->ctx);
|
|
0
|
451
|
|
96
|
452 if (sc->connection == NULL) {
|
|
0
|
453 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "SSL_new() failed");
|
|
|
454 return NGX_ERROR;
|
|
|
455 }
|
|
|
456
|
|
96
|
457 if (SSL_set_fd(sc->connection, c->fd) == 0) {
|
|
0
|
458 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "SSL_set_fd() failed");
|
|
|
459 return NGX_ERROR;
|
|
|
460 }
|
|
|
461
|
|
126
|
462 if (flags & NGX_SSL_CLIENT) {
|
|
|
463 SSL_set_connect_state(sc->connection);
|
|
|
464
|
|
|
465 } else {
|
|
|
466 SSL_set_accept_state(sc->connection);
|
|
|
467 }
|
|
0
|
468
|
|
272
|
469 if (SSL_set_ex_data(sc->connection, ngx_ssl_connection_index, c) == 0) {
|
|
220
|
470 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "SSL_set_ex_data() failed");
|
|
|
471 return NGX_ERROR;
|
|
|
472 }
|
|
|
473
|
|
96
|
474 c->ssl = sc;
|
|
0
|
475
|
|
|
476 return NGX_OK;
|
|
|
477 }
|
|
|
478
|
|
|
479
|
|
96
|
480 ngx_int_t
|
|
126
|
481 ngx_ssl_set_session(ngx_connection_t *c, ngx_ssl_session_t *session)
|
|
|
482 {
|
|
|
483 if (session) {
|
|
|
484 if (SSL_set_session(c->ssl->connection, session) == 0) {
|
|
|
485 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "SSL_set_session() failed");
|
|
|
486 return NGX_ERROR;
|
|
|
487 }
|
|
|
488 }
|
|
|
489
|
|
|
490 return NGX_OK;
|
|
|
491 }
|
|
|
492
|
|
|
493
|
|
|
494 ngx_int_t
|
|
96
|
495 ngx_ssl_handshake(ngx_connection_t *c)
|
|
|
496 {
|
|
|
497 int n, sslerr;
|
|
|
498 ngx_err_t err;
|
|
|
499
|
|
358
|
500 ngx_ssl_clear_error(c->log);
|
|
|
501
|
|
96
|
502 n = SSL_do_handshake(c->ssl->connection);
|
|
|
503
|
|
126
|
504 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_do_handshake: %d", n);
|
|
96
|
505
|
|
|
506 if (n == 1) {
|
|
|
507
|
|
|
508 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) {
|
|
|
509 return NGX_ERROR;
|
|
|
510 }
|
|
|
511
|
|
|
512 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) {
|
|
|
513 return NGX_ERROR;
|
|
|
514 }
|
|
|
515
|
|
|
516 #if (NGX_DEBUG)
|
|
|
517 {
|
|
|
518 char buf[129], *s, *d;
|
|
|
519 SSL_CIPHER *cipher;
|
|
|
520
|
|
|
521 cipher = SSL_get_current_cipher(c->ssl->connection);
|
|
|
522
|
|
|
523 if (cipher) {
|
|
|
524 SSL_CIPHER_description(cipher, &buf[1], 128);
|
|
|
525
|
|
|
526 for (s = &buf[1], d = buf; *s; s++) {
|
|
|
527 if (*s == ' ' && *d == ' ') {
|
|
|
528 continue;
|
|
|
529 }
|
|
|
530
|
|
|
531 if (*s == LF || *s == CR) {
|
|
|
532 continue;
|
|
|
533 }
|
|
|
534
|
|
|
535 *++d = *s;
|
|
|
536 }
|
|
|
537
|
|
|
538 if (*d != ' ') {
|
|
|
539 d++;
|
|
|
540 }
|
|
|
541
|
|
|
542 *d = '\0';
|
|
|
543
|
|
132
|
544 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
96
|
545 "SSL: %s, cipher: \"%s\"",
|
|
126
|
546 SSL_get_version(c->ssl->connection), &buf[1]);
|
|
96
|
547
|
|
|
548 if (SSL_session_reused(c->ssl->connection)) {
|
|
132
|
549 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
96
|
550 "SSL reused session");
|
|
|
551 }
|
|
|
552
|
|
|
553 } else {
|
|
|
554 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
126
|
555 "SSL no shared ciphers");
|
|
96
|
556 }
|
|
|
557 }
|
|
|
558 #endif
|
|
|
559
|
|
|
560 c->ssl->handshaked = 1;
|
|
|
561
|
|
|
562 c->recv = ngx_ssl_recv;
|
|
|
563 c->send = ngx_ssl_write;
|
|
126
|
564 c->recv_chain = ngx_ssl_recv_chain;
|
|
|
565 c->send_chain = ngx_ssl_send_chain;
|
|
96
|
566
|
|
|
567 return NGX_OK;
|
|
|
568 }
|
|
|
569
|
|
|
570 sslerr = SSL_get_error(c->ssl->connection, n);
|
|
|
571
|
|
|
572 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", sslerr);
|
|
|
573
|
|
|
574 if (sslerr == SSL_ERROR_WANT_READ) {
|
|
|
575 c->read->ready = 0;
|
|
|
576 c->read->handler = ngx_ssl_handshake_handler;
|
|
140
|
577 c->write->handler = ngx_ssl_handshake_handler;
|
|
96
|
578
|
|
|
579 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) {
|
|
|
580 return NGX_ERROR;
|
|
|
581 }
|
|
|
582
|
|
|
583 return NGX_AGAIN;
|
|
|
584 }
|
|
|
585
|
|
|
586 if (sslerr == SSL_ERROR_WANT_WRITE) {
|
|
|
587 c->write->ready = 0;
|
|
140
|
588 c->read->handler = ngx_ssl_handshake_handler;
|
|
96
|
589 c->write->handler = ngx_ssl_handshake_handler;
|
|
|
590
|
|
|
591 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) {
|
|
|
592 return NGX_ERROR;
|
|
|
593 }
|
|
|
594
|
|
|
595 return NGX_AGAIN;
|
|
|
596 }
|
|
|
597
|
|
|
598 err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0;
|
|
|
599
|
|
|
600 c->ssl->no_wait_shutdown = 1;
|
|
|
601 c->ssl->no_send_shutdown = 1;
|
|
140
|
602 c->read->eof = 1;
|
|
96
|
603
|
|
|
604 if (sslerr == SSL_ERROR_ZERO_RETURN || ERR_peek_error() == 0) {
|
|
|
605 ngx_log_error(NGX_LOG_INFO, c->log, err,
|
|
126
|
606 "peer closed connection in SSL handshake");
|
|
96
|
607
|
|
|
608 return NGX_ERROR;
|
|
|
609 }
|
|
|
610
|
|
140
|
611 c->read->error = 1;
|
|
|
612
|
|
96
|
613 ngx_ssl_connection_error(c, sslerr, err, "SSL_do_handshake() failed");
|
|
|
614
|
|
|
615 return NGX_ERROR;
|
|
|
616 }
|
|
|
617
|
|
|
618
|
|
|
619 static void
|
|
|
620 ngx_ssl_handshake_handler(ngx_event_t *ev)
|
|
|
621 {
|
|
|
622 ngx_connection_t *c;
|
|
|
623
|
|
|
624 c = ev->data;
|
|
|
625
|
|
98
|
626 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
126
|
627 "SSL handshake handler: %d", ev->write);
|
|
96
|
628
|
|
140
|
629 if (ev->timedout) {
|
|
|
630 c->ssl->handler(c);
|
|
|
631 return;
|
|
|
632 }
|
|
|
633
|
|
96
|
634 if (ngx_ssl_handshake(c) == NGX_AGAIN) {
|
|
|
635 return;
|
|
|
636 }
|
|
|
637
|
|
|
638 c->ssl->handler(c);
|
|
|
639 }
|
|
|
640
|
|
|
641
|
|
38
|
642 ssize_t
|
|
126
|
643 ngx_ssl_recv_chain(ngx_connection_t *c, ngx_chain_t *cl)
|
|
|
644 {
|
|
294
|
645 u_char *last;
|
|
126
|
646 ssize_t n, bytes;
|
|
|
647 ngx_buf_t *b;
|
|
|
648
|
|
|
649 bytes = 0;
|
|
|
650
|
|
294
|
651 b = cl->buf;
|
|
|
652 last = b->last;
|
|
|
653
|
|
|
654 for ( ;; ) {
|
|
|
655
|
|
|
656 n = ngx_ssl_recv(c, last, b->end - last);
|
|
126
|
657
|
|
|
658 if (n > 0) {
|
|
294
|
659 last += n;
|
|
126
|
660 bytes += n;
|
|
|
661
|
|
294
|
662 if (last == b->end) {
|
|
126
|
663 cl = cl->next;
|
|
294
|
664
|
|
|
665 if (cl == NULL) {
|
|
|
666 return bytes;
|
|
|
667 }
|
|
|
668
|
|
|
669 b = cl->buf;
|
|
|
670 last = b->last;
|
|
126
|
671 }
|
|
|
672
|
|
|
673 continue;
|
|
|
674 }
|
|
|
675
|
|
|
676 if (bytes) {
|
|
|
677 return bytes;
|
|
|
678 }
|
|
|
679
|
|
|
680 return n;
|
|
|
681 }
|
|
|
682 }
|
|
|
683
|
|
|
684
|
|
|
685 ssize_t
|
|
38
|
686 ngx_ssl_recv(ngx_connection_t *c, u_char *buf, size_t size)
|
|
0
|
687 {
|
|
38
|
688 int n, bytes;
|
|
|
689
|
|
|
690 if (c->ssl->last == NGX_ERROR) {
|
|
330
|
691 c->read->error = 1;
|
|
38
|
692 return NGX_ERROR;
|
|
|
693 }
|
|
|
694
|
|
126
|
695 if (c->ssl->last == NGX_DONE) {
|
|
330
|
696 c->read->ready = 0;
|
|
|
697 c->read->eof = 1;
|
|
126
|
698 return 0;
|
|
|
699 }
|
|
|
700
|
|
38
|
701 bytes = 0;
|
|
0
|
702
|
|
358
|
703 ngx_ssl_clear_error(c->log);
|
|
|
704
|
|
38
|
705 /*
|
|
|
706 * SSL_read() may return data in parts, so try to read
|
|
|
707 * until SSL_read() would return no data
|
|
|
708 */
|
|
|
709
|
|
|
710 for ( ;; ) {
|
|
0
|
711
|
|
92
|
712 n = SSL_read(c->ssl->connection, buf, size);
|
|
38
|
713
|
|
126
|
714 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_read: %d", n);
|
|
0
|
715
|
|
38
|
716 if (n > 0) {
|
|
|
717 bytes += n;
|
|
|
718 }
|
|
|
719
|
|
|
720 c->ssl->last = ngx_ssl_handle_recv(c, n);
|
|
|
721
|
|
330
|
722 if (c->ssl->last == NGX_OK) {
|
|
|
723
|
|
|
724 size -= n;
|
|
|
725
|
|
|
726 if (size == 0) {
|
|
38
|
727 return bytes;
|
|
126
|
728 }
|
|
38
|
729
|
|
330
|
730 buf += n;
|
|
|
731
|
|
|
732 continue;
|
|
|
733 }
|
|
|
734
|
|
|
735 if (bytes) {
|
|
|
736 return bytes;
|
|
|
737 }
|
|
|
738
|
|
|
739 switch (c->ssl->last) {
|
|
|
740
|
|
|
741 case NGX_DONE:
|
|
|
742 c->read->ready = 0;
|
|
|
743 c->read->eof = 1;
|
|
|
744 return 0;
|
|
|
745
|
|
|
746 case NGX_ERROR:
|
|
|
747 c->read->error = 1;
|
|
|
748
|
|
|
749 /* fall thruogh */
|
|
|
750
|
|
|
751 case NGX_AGAIN:
|
|
126
|
752 return c->ssl->last;
|
|
28
|
753 }
|
|
38
|
754 }
|
|
|
755 }
|
|
|
756
|
|
|
757
|
|
|
758 static ngx_int_t
|
|
|
759 ngx_ssl_handle_recv(ngx_connection_t *c, int n)
|
|
|
760 {
|
|
96
|
761 int sslerr;
|
|
|
762 ngx_err_t err;
|
|
38
|
763
|
|
|
764 if (n > 0) {
|
|
28
|
765
|
|
22
|
766 if (c->ssl->saved_write_handler) {
|
|
|
767
|
|
58
|
768 c->write->handler = c->ssl->saved_write_handler;
|
|
22
|
769 c->ssl->saved_write_handler = NULL;
|
|
|
770 c->write->ready = 1;
|
|
|
771
|
|
|
772 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) {
|
|
|
773 return NGX_ERROR;
|
|
|
774 }
|
|
|
775
|
|
112
|
776 ngx_post_event(c->write, &ngx_posted_events);
|
|
22
|
777 }
|
|
|
778
|
|
38
|
779 return NGX_OK;
|
|
0
|
780 }
|
|
|
781
|
|
92
|
782 sslerr = SSL_get_error(c->ssl->connection, n);
|
|
0
|
783
|
|
|
784 err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0;
|
|
|
785
|
|
|
786 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", sslerr);
|
|
|
787
|
|
|
788 if (sslerr == SSL_ERROR_WANT_READ) {
|
|
4
|
789 c->read->ready = 0;
|
|
0
|
790 return NGX_AGAIN;
|
|
|
791 }
|
|
|
792
|
|
|
793 if (sslerr == SSL_ERROR_WANT_WRITE) {
|
|
88
|
794
|
|
96
|
795 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
126
|
796 "peer started SSL renegotiation");
|
|
22
|
797
|
|
|
798 c->write->ready = 0;
|
|
|
799
|
|
|
800 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) {
|
|
|
801 return NGX_ERROR;
|
|
|
802 }
|
|
|
803
|
|
|
804 /*
|
|
|
805 * we do not set the timer because there is already the read event timer
|
|
|
806 */
|
|
|
807
|
|
|
808 if (c->ssl->saved_write_handler == NULL) {
|
|
58
|
809 c->ssl->saved_write_handler = c->write->handler;
|
|
|
810 c->write->handler = ngx_ssl_write_handler;
|
|
22
|
811 }
|
|
|
812
|
|
0
|
813 return NGX_AGAIN;
|
|
|
814 }
|
|
|
815
|
|
96
|
816 c->ssl->no_wait_shutdown = 1;
|
|
|
817 c->ssl->no_send_shutdown = 1;
|
|
0
|
818
|
|
|
819 if (sslerr == SSL_ERROR_ZERO_RETURN || ERR_peek_error() == 0) {
|
|
126
|
820 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
|
821 "peer shutdown SSL cleanly");
|
|
|
822 return NGX_DONE;
|
|
0
|
823 }
|
|
|
824
|
|
96
|
825 ngx_ssl_connection_error(c, sslerr, err, "SSL_read() failed");
|
|
0
|
826
|
|
|
827 return NGX_ERROR;
|
|
|
828 }
|
|
|
829
|
|
|
830
|
|
38
|
831 static void
|
|
|
832 ngx_ssl_write_handler(ngx_event_t *wev)
|
|
22
|
833 {
|
|
|
834 ngx_connection_t *c;
|
|
|
835
|
|
|
836 c = wev->data;
|
|
96
|
837
|
|
58
|
838 c->read->handler(c->read);
|
|
22
|
839 }
|
|
|
840
|
|
|
841
|
|
0
|
842 /*
|
|
|
843 * OpenSSL has no SSL_writev() so we copy several bufs into our 16K buffer
|
|
22
|
844 * before the SSL_write() call to decrease a SSL overhead.
|
|
0
|
845 *
|
|
|
846 * Besides for protocols such as HTTP it is possible to always buffer
|
|
|
847 * the output to decrease a SSL overhead some more.
|
|
|
848 */
|
|
|
849
|
|
38
|
850 ngx_chain_t *
|
|
|
851 ngx_ssl_send_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit)
|
|
0
|
852 {
|
|
|
853 int n;
|
|
|
854 ngx_uint_t flush;
|
|
|
855 ssize_t send, size;
|
|
|
856 ngx_buf_t *buf;
|
|
|
857
|
|
146
|
858 if (!c->ssl->buffer
|
|
|
859 || (in && in->next == NULL && !(c->buffered & NGX_SSL_BUFFERED)))
|
|
|
860 {
|
|
0
|
861 /*
|
|
126
|
862 * we avoid a buffer copy if
|
|
|
863 * we do not need to buffer the output
|
|
|
864 * or the incoming buf is a single and our buffer is empty
|
|
0
|
865 */
|
|
|
866
|
|
126
|
867 while (in) {
|
|
|
868 if (ngx_buf_special(in->buf)) {
|
|
|
869 in = in->next;
|
|
|
870 continue;
|
|
|
871 }
|
|
0
|
872
|
|
126
|
873 n = ngx_ssl_write(c, in->buf->pos, in->buf->last - in->buf->pos);
|
|
|
874
|
|
|
875 if (n == NGX_ERROR) {
|
|
|
876 return NGX_CHAIN_ERROR;
|
|
|
877 }
|
|
0
|
878
|
|
126
|
879 if (n == NGX_AGAIN) {
|
|
146
|
880 c->buffered |= NGX_SSL_BUFFERED;
|
|
126
|
881 return in;
|
|
|
882 }
|
|
|
883
|
|
|
884 in->buf->pos += n;
|
|
|
885
|
|
|
886 if (in->buf->pos == in->buf->last) {
|
|
|
887 in = in->next;
|
|
|
888 }
|
|
0
|
889 }
|
|
|
890
|
|
|
891 return in;
|
|
|
892 }
|
|
|
893
|
|
22
|
894
|
|
|
895 /* the maximum limit size is the maximum uint32_t value - the page size */
|
|
|
896
|
|
324
|
897 if (limit == 0 || limit > (off_t) (NGX_MAX_UINT32_VALUE - ngx_pagesize)) {
|
|
22
|
898 limit = NGX_MAX_UINT32_VALUE - ngx_pagesize;
|
|
|
899 }
|
|
|
900
|
|
126
|
901 buf = c->ssl->buf;
|
|
358
|
902
|
|
|
903 if (buf == NULL) {
|
|
|
904 buf = ngx_create_temp_buf(c->pool, NGX_SSL_BUFSIZE);
|
|
|
905 if (buf == NULL) {
|
|
|
906 return NGX_CHAIN_ERROR;
|
|
|
907 }
|
|
|
908
|
|
|
909 c->ssl->buf = buf;
|
|
|
910 }
|
|
|
911
|
|
|
912 if (buf->start == NULL) {
|
|
|
913 buf->start = ngx_palloc(c->pool, NGX_SSL_BUFSIZE);
|
|
|
914 if (buf->start == NULL) {
|
|
|
915 return NGX_CHAIN_ERROR;
|
|
|
916 }
|
|
|
917
|
|
|
918 buf->pos = buf->start;
|
|
|
919 buf->last = buf->start;
|
|
|
920 buf->end = buf->start + NGX_SSL_BUFSIZE;
|
|
|
921 }
|
|
|
922
|
|
0
|
923 send = 0;
|
|
|
924 flush = (in == NULL) ? 1 : 0;
|
|
|
925
|
|
|
926 for ( ;; ) {
|
|
|
927
|
|
|
928 while (in && buf->last < buf->end) {
|
|
132
|
929 if (in->buf->last_buf || in->buf->flush) {
|
|
0
|
930 flush = 1;
|
|
|
931 }
|
|
|
932
|
|
|
933 if (ngx_buf_special(in->buf)) {
|
|
|
934 in = in->next;
|
|
|
935 continue;
|
|
|
936 }
|
|
|
937
|
|
|
938 size = in->buf->last - in->buf->pos;
|
|
|
939
|
|
|
940 if (size > buf->end - buf->last) {
|
|
|
941 size = buf->end - buf->last;
|
|
|
942 }
|
|
|
943
|
|
|
944 if (send + size > limit) {
|
|
126
|
945 size = (ssize_t) (limit - send);
|
|
0
|
946 flush = 1;
|
|
|
947 }
|
|
|
948
|
|
|
949 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
|
950 "SSL buf copy: %d", size);
|
|
|
951
|
|
|
952 ngx_memcpy(buf->last, in->buf->pos, size);
|
|
|
953
|
|
|
954 buf->last += size;
|
|
|
955
|
|
|
956 in->buf->pos += size;
|
|
126
|
957
|
|
0
|
958 if (in->buf->pos == in->buf->last) {
|
|
|
959 in = in->next;
|
|
|
960 }
|
|
|
961 }
|
|
|
962
|
|
|
963 size = buf->last - buf->pos;
|
|
|
964
|
|
|
965 if (!flush && buf->last < buf->end && c->ssl->buffer) {
|
|
|
966 break;
|
|
|
967 }
|
|
|
968
|
|
|
969 n = ngx_ssl_write(c, buf->pos, size);
|
|
|
970
|
|
|
971 if (n == NGX_ERROR) {
|
|
|
972 return NGX_CHAIN_ERROR;
|
|
|
973 }
|
|
|
974
|
|
60
|
975 if (n == NGX_AGAIN) {
|
|
146
|
976 c->buffered |= NGX_SSL_BUFFERED;
|
|
60
|
977 return in;
|
|
0
|
978 }
|
|
|
979
|
|
|
980 buf->pos += n;
|
|
|
981 send += n;
|
|
|
982 c->sent += n;
|
|
|
983
|
|
|
984 if (n < size) {
|
|
|
985 break;
|
|
|
986 }
|
|
|
987
|
|
|
988 if (buf->pos == buf->last) {
|
|
|
989 buf->pos = buf->start;
|
|
|
990 buf->last = buf->start;
|
|
|
991 }
|
|
|
992
|
|
|
993 if (in == NULL || send == limit) {
|
|
|
994 break;
|
|
|
995 }
|
|
|
996 }
|
|
|
997
|
|
146
|
998 if (buf->pos < buf->last) {
|
|
|
999 c->buffered |= NGX_SSL_BUFFERED;
|
|
|
1000
|
|
|
1001 } else {
|
|
|
1002 c->buffered &= ~NGX_SSL_BUFFERED;
|
|
|
1003 }
|
|
0
|
1004
|
|
|
1005 return in;
|
|
|
1006 }
|
|
|
1007
|
|
|
1008
|
|
88
|
1009 ssize_t
|
|
38
|
1010 ngx_ssl_write(ngx_connection_t *c, u_char *data, size_t size)
|
|
0
|
1011 {
|
|
96
|
1012 int n, sslerr;
|
|
|
1013 ngx_err_t err;
|
|
0
|
1014
|
|
358
|
1015 ngx_ssl_clear_error(c->log);
|
|
|
1016
|
|
0
|
1017 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL to write: %d", size);
|
|
|
1018
|
|
92
|
1019 n = SSL_write(c->ssl->connection, data, size);
|
|
0
|
1020
|
|
|
1021 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_write: %d", n);
|
|
|
1022
|
|
|
1023 if (n > 0) {
|
|
88
|
1024
|
|
22
|
1025 if (c->ssl->saved_read_handler) {
|
|
|
1026
|
|
58
|
1027 c->read->handler = c->ssl->saved_read_handler;
|
|
22
|
1028 c->ssl->saved_read_handler = NULL;
|
|
|
1029 c->read->ready = 1;
|
|
|
1030
|
|
|
1031 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) {
|
|
|
1032 return NGX_ERROR;
|
|
|
1033 }
|
|
|
1034
|
|
112
|
1035 ngx_post_event(c->read, &ngx_posted_events);
|
|
22
|
1036 }
|
|
|
1037
|
|
0
|
1038 return n;
|
|
|
1039 }
|
|
|
1040
|
|
92
|
1041 sslerr = SSL_get_error(c->ssl->connection, n);
|
|
0
|
1042
|
|
|
1043 err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0;
|
|
|
1044
|
|
|
1045 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", sslerr);
|
|
|
1046
|
|
|
1047 if (sslerr == SSL_ERROR_WANT_WRITE) {
|
|
|
1048 c->write->ready = 0;
|
|
|
1049 return NGX_AGAIN;
|
|
|
1050 }
|
|
|
1051
|
|
|
1052 if (sslerr == SSL_ERROR_WANT_READ) {
|
|
2
|
1053
|
|
96
|
1054 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
126
|
1055 "peer started SSL renegotiation");
|
|
22
|
1056
|
|
|
1057 c->read->ready = 0;
|
|
|
1058
|
|
|
1059 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) {
|
|
|
1060 return NGX_ERROR;
|
|
|
1061 }
|
|
|
1062
|
|
|
1063 /*
|
|
|
1064 * we do not set the timer because there is already
|
|
|
1065 * the write event timer
|
|
|
1066 */
|
|
|
1067
|
|
|
1068 if (c->ssl->saved_read_handler == NULL) {
|
|
58
|
1069 c->ssl->saved_read_handler = c->read->handler;
|
|
|
1070 c->read->handler = ngx_ssl_read_handler;
|
|
22
|
1071 }
|
|
|
1072
|
|
0
|
1073 return NGX_AGAIN;
|
|
|
1074 }
|
|
|
1075
|
|
96
|
1076 c->ssl->no_wait_shutdown = 1;
|
|
|
1077 c->ssl->no_send_shutdown = 1;
|
|
140
|
1078 c->write->error = 1;
|
|
92
|
1079
|
|
96
|
1080 ngx_ssl_connection_error(c, sslerr, err, "SSL_write() failed");
|
|
0
|
1081
|
|
|
1082 return NGX_ERROR;
|
|
|
1083 }
|
|
|
1084
|
|
|
1085
|
|
38
|
1086 static void
|
|
|
1087 ngx_ssl_read_handler(ngx_event_t *rev)
|
|
22
|
1088 {
|
|
|
1089 ngx_connection_t *c;
|
|
|
1090
|
|
|
1091 c = rev->data;
|
|
96
|
1092
|
|
58
|
1093 c->write->handler(c->write);
|
|
22
|
1094 }
|
|
|
1095
|
|
|
1096
|
|
358
|
1097 void
|
|
|
1098 ngx_ssl_free_buffer(ngx_connection_t *c)
|
|
|
1099 {
|
|
360
|
1100 if (c->ssl->buf && c->ssl->buf->start) {
|
|
|
1101 if (ngx_pfree(c->pool, c->ssl->buf->start) == NGX_OK) {
|
|
|
1102 c->ssl->buf->start = NULL;
|
|
|
1103 }
|
|
358
|
1104 }
|
|
|
1105 }
|
|
|
1106
|
|
|
1107
|
|
38
|
1108 ngx_int_t
|
|
|
1109 ngx_ssl_shutdown(ngx_connection_t *c)
|
|
0
|
1110 {
|
|
358
|
1111 int n, sslerr, mode;
|
|
|
1112 ngx_err_t err;
|
|
0
|
1113
|
|
126
|
1114 if (c->timedout) {
|
|
96
|
1115 mode = SSL_RECEIVED_SHUTDOWN|SSL_SENT_SHUTDOWN;
|
|
0
|
1116
|
|
96
|
1117 } else {
|
|
|
1118 mode = SSL_get_shutdown(c->ssl->connection);
|
|
22
|
1119
|
|
96
|
1120 if (c->ssl->no_wait_shutdown) {
|
|
|
1121 mode |= SSL_RECEIVED_SHUTDOWN;
|
|
0
|
1122 }
|
|
|
1123
|
|
96
|
1124 if (c->ssl->no_send_shutdown) {
|
|
|
1125 mode |= SSL_SENT_SHUTDOWN;
|
|
0
|
1126 }
|
|
|
1127 }
|
|
|
1128
|
|
96
|
1129 SSL_set_shutdown(c->ssl->connection, mode);
|
|
|
1130
|
|
358
|
1131 ngx_ssl_clear_error(c->log);
|
|
|
1132
|
|
|
1133 n = SSL_shutdown(c->ssl->connection);
|
|
|
1134
|
|
|
1135 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_shutdown: %d", n);
|
|
|
1136
|
|
10
|
1137 sslerr = 0;
|
|
0
|
1138
|
|
364
|
1139 /* SSL_shutdown() never returns -1, on error it returns 0 */
|
|
|
1140
|
|
|
1141 if (n != 1 && ERR_peek_error()) {
|
|
92
|
1142 sslerr = SSL_get_error(c->ssl->connection, n);
|
|
0
|
1143
|
|
|
1144 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
|
1145 "SSL_get_error: %d", sslerr);
|
|
|
1146 }
|
|
|
1147
|
|
364
|
1148 if (n == 1 || sslerr == 0 || sslerr == SSL_ERROR_ZERO_RETURN) {
|
|
358
|
1149 SSL_free(c->ssl->connection);
|
|
|
1150 c->ssl = NULL;
|
|
|
1151
|
|
|
1152 return NGX_OK;
|
|
|
1153 }
|
|
|
1154
|
|
|
1155 if (sslerr == SSL_ERROR_WANT_READ || sslerr == SSL_ERROR_WANT_WRITE) {
|
|
126
|
1156 c->read->handler = ngx_ssl_shutdown_handler;
|
|
138
|
1157 c->write->handler = ngx_ssl_shutdown_handler;
|
|
126
|
1158
|
|
0
|
1159 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) {
|
|
|
1160 return NGX_ERROR;
|
|
|
1161 }
|
|
|
1162
|
|
|
1163 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) {
|
|
|
1164 return NGX_ERROR;
|
|
|
1165 }
|
|
|
1166
|
|
358
|
1167 if (sslerr == SSL_ERROR_WANT_READ) {
|
|
138
|
1168 ngx_add_timer(c->read, 30000);
|
|
|
1169 }
|
|
|
1170
|
|
0
|
1171 return NGX_AGAIN;
|
|
|
1172 }
|
|
|
1173
|
|
140
|
1174 err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0;
|
|
|
1175
|
|
|
1176 ngx_ssl_connection_error(c, sslerr, err, "SSL_shutdown() failed");
|
|
0
|
1177
|
|
92
|
1178 SSL_free(c->ssl->connection);
|
|
|
1179 c->ssl = NULL;
|
|
|
1180
|
|
0
|
1181 return NGX_ERROR;
|
|
|
1182 }
|
|
|
1183
|
|
|
1184
|
|
96
|
1185 static void
|
|
126
|
1186 ngx_ssl_shutdown_handler(ngx_event_t *ev)
|
|
|
1187 {
|
|
|
1188 ngx_connection_t *c;
|
|
|
1189 ngx_connection_handler_pt handler;
|
|
|
1190
|
|
|
1191 c = ev->data;
|
|
|
1192 handler = c->ssl->handler;
|
|
|
1193
|
|
|
1194 if (ev->timedout) {
|
|
|
1195 c->timedout = 1;
|
|
|
1196 }
|
|
|
1197
|
|
272
|
1198 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, "SSL shutdown handler");
|
|
126
|
1199
|
|
|
1200 if (ngx_ssl_shutdown(c) == NGX_AGAIN) {
|
|
|
1201 return;
|
|
|
1202 }
|
|
|
1203
|
|
|
1204 handler(c);
|
|
|
1205 }
|
|
|
1206
|
|
|
1207
|
|
|
1208 static void
|
|
96
|
1209 ngx_ssl_connection_error(ngx_connection_t *c, int sslerr, ngx_err_t err,
|
|
|
1210 char *text)
|
|
|
1211 {
|
|
364
|
1212 int n;
|
|
96
|
1213 ngx_uint_t level;
|
|
|
1214
|
|
|
1215 level = NGX_LOG_CRIT;
|
|
|
1216
|
|
|
1217 if (sslerr == SSL_ERROR_SYSCALL) {
|
|
|
1218
|
|
|
1219 if (err == NGX_ECONNRESET
|
|
|
1220 || err == NGX_EPIPE
|
|
|
1221 || err == NGX_ENOTCONN
|
|
138
|
1222 #if !(NGX_CRIT_ETIMEDOUT)
|
|
|
1223 || err == NGX_ETIMEDOUT
|
|
|
1224 #endif
|
|
96
|
1225 || err == NGX_ECONNREFUSED
|
|
364
|
1226 || err == NGX_ENETDOWN
|
|
|
1227 || err == NGX_ENETUNREACH
|
|
|
1228 || err == NGX_EHOSTDOWN
|
|
96
|
1229 || err == NGX_EHOSTUNREACH)
|
|
|
1230 {
|
|
|
1231 switch (c->log_error) {
|
|
|
1232
|
|
|
1233 case NGX_ERROR_IGNORE_ECONNRESET:
|
|
|
1234 case NGX_ERROR_INFO:
|
|
|
1235 level = NGX_LOG_INFO;
|
|
|
1236 break;
|
|
|
1237
|
|
|
1238 case NGX_ERROR_ERR:
|
|
|
1239 level = NGX_LOG_ERR;
|
|
|
1240 break;
|
|
|
1241
|
|
|
1242 default:
|
|
|
1243 break;
|
|
|
1244 }
|
|
|
1245 }
|
|
364
|
1246
|
|
|
1247 } else if (sslerr == SSL_ERROR_SSL) {
|
|
|
1248
|
|
|
1249 n = ERR_GET_REASON(ERR_peek_error());
|
|
|
1250
|
|
|
1251 /* handshake failures */
|
|
370
|
1252 if (n == SSL_R_DIGEST_CHECK_FAILED
|
|
|
1253 || n == SSL_R_NO_SHARED_CIPHER
|
|
364
|
1254 || n == SSL_R_UNEXPECTED_MESSAGE
|
|
|
1255 || n == SSL_R_WRONG_VERSION_NUMBER
|
|
370
|
1256 || n == SSL_R_DECRYPTION_FAILED_OR_BAD_RECORD_MAC
|
|
364
|
1257 || n == 1000 /* SSL_R_SSLV3_ALERT_CLOSE_NOTIFY */
|
|
370
|
1258 || n == SSL_R_SSLV3_ALERT_UNEXPECTED_MESSAGE
|
|
|
1259 || n == SSL_R_SSLV3_ALERT_BAD_RECORD_MAC
|
|
|
1260 || n == SSL_R_SSLV3_ALERT_DECOMPRESSION_FAILURE
|
|
|
1261 || n == SSL_R_SSLV3_ALERT_HANDSHAKE_FAILURE
|
|
|
1262 || n == SSL_R_SSLV3_ALERT_BAD_CERTIFICATE
|
|
|
1263 || n == SSL_R_SSLV3_ALERT_UNSUPPORTED_CERTIFICATE
|
|
|
1264 || n == SSL_R_SSLV3_ALERT_CERTIFICATE_REVOKED
|
|
364
|
1265 || n == SSL_R_SSLV3_ALERT_CERTIFICATE_EXPIRED
|
|
370
|
1266 || n == SSL_R_SSLV3_ALERT_CERTIFICATE_UNKNOWN
|
|
364
|
1267 || n == SSL_R_SSLV3_ALERT_ILLEGAL_PARAMETER
|
|
|
1268 || n == SSL_R_TLSV1_ALERT_UNKNOWN_CA)
|
|
|
1269 {
|
|
|
1270 switch (c->log_error) {
|
|
|
1271
|
|
|
1272 case NGX_ERROR_IGNORE_ECONNRESET:
|
|
|
1273 case NGX_ERROR_INFO:
|
|
|
1274 level = NGX_LOG_INFO;
|
|
|
1275 break;
|
|
|
1276
|
|
|
1277 case NGX_ERROR_ERR:
|
|
|
1278 level = NGX_LOG_ERR;
|
|
|
1279 break;
|
|
|
1280
|
|
|
1281 default:
|
|
|
1282 break;
|
|
|
1283 }
|
|
|
1284 }
|
|
96
|
1285 }
|
|
|
1286
|
|
|
1287 ngx_ssl_error(level, c->log, err, text);
|
|
|
1288 }
|
|
|
1289
|
|
|
1290
|
|
358
|
1291 static void
|
|
|
1292 ngx_ssl_clear_error(ngx_log_t *log)
|
|
|
1293 {
|
|
364
|
1294 while (ERR_peek_error()) {
|
|
358
|
1295 ngx_ssl_error(NGX_LOG_ALERT, log, 0, "ignoring stale global SSL error");
|
|
|
1296 }
|
|
364
|
1297
|
|
|
1298 ERR_clear_error();
|
|
358
|
1299 }
|
|
|
1300
|
|
|
1301
|
|
132
|
1302 void ngx_cdecl
|
|
38
|
1303 ngx_ssl_error(ngx_uint_t level, ngx_log_t *log, ngx_err_t err, char *fmt, ...)
|
|
126
|
1304 {
|
|
364
|
1305 u_long n;
|
|
|
1306 va_list args;
|
|
|
1307 u_char *p, *last;
|
|
|
1308 u_char errstr[NGX_MAX_CONF_ERRSTR];
|
|
10
|
1309
|
|
|
1310 last = errstr + NGX_MAX_CONF_ERRSTR;
|
|
0
|
1311
|
|
|
1312 va_start(args, fmt);
|
|
10
|
1313 p = ngx_vsnprintf(errstr, sizeof(errstr) - 1, fmt, args);
|
|
0
|
1314 va_end(args);
|
|
|
1315
|
|
96
|
1316 p = ngx_cpystrn(p, (u_char *) " (SSL:", last - p);
|
|
|
1317
|
|
364
|
1318 for ( ;; ) {
|
|
132
|
1319
|
|
|
1320 n = ERR_get_error();
|
|
|
1321
|
|
|
1322 if (n == 0) {
|
|
|
1323 break;
|
|
|
1324 }
|
|
96
|
1325
|
|
364
|
1326 if (p >= last) {
|
|
|
1327 continue;
|
|
|
1328 }
|
|
|
1329
|
|
96
|
1330 *p++ = ' ';
|
|
0
|
1331
|
|
96
|
1332 ERR_error_string_n(n, (char *) p, last - p);
|
|
|
1333
|
|
|
1334 while (p < last && *p) {
|
|
|
1335 p++;
|
|
|
1336 }
|
|
|
1337 }
|
|
0
|
1338
|
|
|
1339 ngx_log_error(level, log, err, "%s)", errstr);
|
|
|
1340 }
|
|
58
|
1341
|
|
|
1342
|
|
272
|
1343 ngx_int_t
|
|
|
1344 ngx_ssl_session_cache(ngx_ssl_t *ssl, ngx_str_t *sess_ctx,
|
|
|
1345 ssize_t builtin_session_cache, ngx_shm_zone_t *shm_zone, time_t timeout)
|
|
|
1346 {
|
|
|
1347 long cache_mode;
|
|
|
1348
|
|
358
|
1349 if (builtin_session_cache == NGX_SSL_NO_SCACHE) {
|
|
|
1350 SSL_CTX_set_session_cache_mode(ssl->ctx, SSL_SESS_CACHE_OFF);
|
|
|
1351 return NGX_OK;
|
|
|
1352 }
|
|
|
1353
|
|
378
|
1354 if (builtin_session_cache == NGX_SSL_NONE_SCACHE) {
|
|
|
1355
|
|
|
1356 /*
|
|
|
1357 * If the server explicitly says that it does not support
|
|
|
1358 * session reuse (see SSL_SESS_CACHE_OFF above), then
|
|
|
1359 * Outlook Express fails to upload a sent email to
|
|
|
1360 * the Sent Items folder on the IMAP server via a separate IMAP
|
|
|
1361 * connection in the background. Therefore we have a special
|
|
|
1362 * mode (SSL_SESS_CACHE_SERVER|SSL_SESS_CACHE_NO_INTERNAL_STORE)
|
|
|
1363 * where the server pretends that it supports session reuse,
|
|
|
1364 * but it does not actually store any session.
|
|
|
1365 */
|
|
|
1366
|
|
|
1367 SSL_CTX_set_session_cache_mode(ssl->ctx,
|
|
|
1368 SSL_SESS_CACHE_SERVER
|
|
|
1369 |SSL_SESS_CACHE_NO_AUTO_CLEAR
|
|
|
1370 |SSL_SESS_CACHE_NO_INTERNAL_STORE);
|
|
|
1371
|
|
|
1372 SSL_CTX_sess_set_cache_size(ssl->ctx, 1);
|
|
|
1373
|
|
|
1374 return NGX_OK;
|
|
|
1375 }
|
|
|
1376
|
|
272
|
1377 cache_mode = SSL_SESS_CACHE_SERVER;
|
|
|
1378
|
|
|
1379 if (shm_zone && builtin_session_cache == NGX_SSL_NO_BUILTIN_SCACHE) {
|
|
|
1380 cache_mode |= SSL_SESS_CACHE_NO_INTERNAL;
|
|
|
1381 }
|
|
|
1382
|
|
|
1383 SSL_CTX_set_session_cache_mode(ssl->ctx, cache_mode);
|
|
|
1384
|
|
|
1385 SSL_CTX_set_session_id_context(ssl->ctx, sess_ctx->data, sess_ctx->len);
|
|
|
1386
|
|
|
1387 if (builtin_session_cache != NGX_SSL_NO_BUILTIN_SCACHE) {
|
|
|
1388
|
|
|
1389 if (builtin_session_cache != NGX_SSL_DFLT_BUILTIN_SCACHE) {
|
|
|
1390 SSL_CTX_sess_set_cache_size(ssl->ctx, builtin_session_cache);
|
|
|
1391 }
|
|
|
1392 }
|
|
|
1393
|
|
274
|
1394 SSL_CTX_set_timeout(ssl->ctx, timeout);
|
|
|
1395
|
|
272
|
1396 if (shm_zone) {
|
|
|
1397 shm_zone->init = ngx_ssl_session_cache_init;
|
|
|
1398
|
|
|
1399 SSL_CTX_sess_set_new_cb(ssl->ctx, ngx_ssl_new_session);
|
|
|
1400 SSL_CTX_sess_set_get_cb(ssl->ctx, ngx_ssl_get_cached_session);
|
|
|
1401 SSL_CTX_sess_set_remove_cb(ssl->ctx, ngx_ssl_remove_session);
|
|
|
1402
|
|
|
1403 if (SSL_CTX_set_ex_data(ssl->ctx, ngx_ssl_session_cache_index, shm_zone)
|
|
|
1404 == 0)
|
|
|
1405 {
|
|
|
1406 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
|
|
|
1407 "SSL_CTX_set_ex_data() failed");
|
|
|
1408 return NGX_ERROR;
|
|
|
1409 }
|
|
|
1410 }
|
|
|
1411
|
|
|
1412 return NGX_OK;
|
|
|
1413 }
|
|
|
1414
|
|
|
1415
|
|
|
1416 static ngx_int_t
|
|
|
1417 ngx_ssl_session_cache_init(ngx_shm_zone_t *shm_zone, void *data)
|
|
|
1418 {
|
|
|
1419 ngx_slab_pool_t *shpool;
|
|
|
1420 ngx_ssl_session_cache_t *cache;
|
|
|
1421
|
|
|
1422 if (data) {
|
|
|
1423 shm_zone->data = data;
|
|
|
1424 return NGX_OK;
|
|
|
1425 }
|
|
|
1426
|
|
|
1427 shpool = (ngx_slab_pool_t *) shm_zone->shm.addr;
|
|
|
1428
|
|
|
1429 cache = ngx_slab_alloc(shpool, sizeof(ngx_ssl_session_cache_t));
|
|
|
1430 if (cache == NULL) {
|
|
|
1431 return NGX_ERROR;
|
|
|
1432 }
|
|
|
1433
|
|
358
|
1434 ngx_rbtree_init(&cache->session_rbtree, &cache->sentinel,
|
|
356
|
1435 ngx_ssl_session_rbtree_insert_value);
|
|
272
|
1436
|
|
358
|
1437 ngx_queue_init(&cache->expire_queue);
|
|
|
1438
|
|
272
|
1439 shm_zone->data = cache;
|
|
|
1440
|
|
|
1441 return NGX_OK;
|
|
|
1442 }
|
|
|
1443
|
|
|
1444
|
|
|
1445 /*
|
|
274
|
1446 * The length of the session id is 16 bytes for SSLv2 sessions and
|
|
|
1447 * between 1 and 32 bytes for SSLv3/TLSv1, typically 32 bytes.
|
|
|
1448 * It seems that the typical length of the external ASN1 representation
|
|
|
1449 * of a session is 118 or 119 bytes for SSLv3/TSLv1.
|
|
|
1450 *
|
|
|
1451 * Thus on 32-bit platforms we allocate separately an rbtree node,
|
|
|
1452 * a session id, and an ASN1 representation, they take accordingly
|
|
|
1453 * 64, 32, and 128 bytes.
|
|
|
1454 *
|
|
|
1455 * On 64-bit platforms we allocate separately an rbtree node + session_id,
|
|
|
1456 * and an ASN1 representation, they take accordingly 128 and 128 bytes.
|
|
|
1457 *
|
|
272
|
1458 * OpenSSL's i2d_SSL_SESSION() and d2i_SSL_SESSION are slow,
|
|
|
1459 * so they are outside the code locked by shared pool mutex
|
|
|
1460 */
|
|
|
1461
|
|
|
1462 static int
|
|
|
1463 ngx_ssl_new_session(ngx_ssl_conn_t *ssl_conn, ngx_ssl_session_t *sess)
|
|
|
1464 {
|
|
|
1465 int len;
|
|
274
|
1466 u_char *p, *id, *cached_sess;
|
|
272
|
1467 uint32_t hash;
|
|
|
1468 SSL_CTX *ssl_ctx;
|
|
|
1469 ngx_shm_zone_t *shm_zone;
|
|
|
1470 ngx_connection_t *c;
|
|
|
1471 ngx_slab_pool_t *shpool;
|
|
|
1472 ngx_ssl_sess_id_t *sess_id;
|
|
|
1473 ngx_ssl_session_cache_t *cache;
|
|
|
1474 u_char buf[NGX_SSL_MAX_SESSION_SIZE];
|
|
|
1475
|
|
|
1476 len = i2d_SSL_SESSION(sess, NULL);
|
|
|
1477
|
|
|
1478 /* do not cache too big session */
|
|
|
1479
|
|
|
1480 if (len > (int) NGX_SSL_MAX_SESSION_SIZE) {
|
|
|
1481 return 0;
|
|
|
1482 }
|
|
|
1483
|
|
|
1484 p = buf;
|
|
|
1485 i2d_SSL_SESSION(sess, &p);
|
|
|
1486
|
|
|
1487 c = ngx_ssl_get_connection(ssl_conn);
|
|
|
1488
|
|
|
1489 ssl_ctx = SSL_get_SSL_CTX(ssl_conn);
|
|
|
1490 shm_zone = SSL_CTX_get_ex_data(ssl_ctx, ngx_ssl_session_cache_index);
|
|
|
1491
|
|
|
1492 cache = shm_zone->data;
|
|
|
1493 shpool = (ngx_slab_pool_t *) shm_zone->shm.addr;
|
|
|
1494
|
|
|
1495 ngx_shmtx_lock(&shpool->mutex);
|
|
|
1496
|
|
|
1497 /* drop one or two expired sessions */
|
|
|
1498 ngx_ssl_expire_sessions(cache, shpool, 1);
|
|
|
1499
|
|
274
|
1500 cached_sess = ngx_slab_alloc_locked(shpool, len);
|
|
272
|
1501
|
|
|
1502 if (cached_sess == NULL) {
|
|
|
1503
|
|
|
1504 /* drop the oldest non-expired session and try once more */
|
|
|
1505
|
|
|
1506 ngx_ssl_expire_sessions(cache, shpool, 0);
|
|
|
1507
|
|
274
|
1508 cached_sess = ngx_slab_alloc_locked(shpool, len);
|
|
272
|
1509
|
|
|
1510 if (cached_sess == NULL) {
|
|
274
|
1511 sess_id = NULL;
|
|
272
|
1512 goto failed;
|
|
|
1513 }
|
|
|
1514 }
|
|
|
1515
|
|
|
1516 sess_id = ngx_slab_alloc_locked(shpool, sizeof(ngx_ssl_sess_id_t));
|
|
|
1517 if (sess_id == NULL) {
|
|
|
1518 goto failed;
|
|
|
1519 }
|
|
|
1520
|
|
274
|
1521 #if (NGX_PTR_SIZE == 8)
|
|
|
1522
|
|
|
1523 id = sess_id->sess_id;
|
|
|
1524
|
|
|
1525 #else
|
|
|
1526
|
|
|
1527 id = ngx_slab_alloc_locked(shpool, sess->session_id_length);
|
|
|
1528 if (id == NULL) {
|
|
|
1529 goto failed;
|
|
|
1530 }
|
|
|
1531
|
|
|
1532 #endif
|
|
|
1533
|
|
|
1534 ngx_memcpy(cached_sess, buf, len);
|
|
272
|
1535
|
|
|
1536 ngx_memcpy(id, sess->session_id, sess->session_id_length);
|
|
|
1537
|
|
|
1538 hash = ngx_crc32_short(sess->session_id, sess->session_id_length);
|
|
|
1539
|
|
|
1540 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
|
1541 "http ssl new session: %08XD:%d:%d",
|
|
|
1542 hash, sess->session_id_length, len);
|
|
|
1543
|
|
|
1544 sess_id->node.key = hash;
|
|
|
1545 sess_id->node.data = (u_char) sess->session_id_length;
|
|
|
1546 sess_id->id = id;
|
|
|
1547 sess_id->len = len;
|
|
|
1548 sess_id->session = cached_sess;
|
|
|
1549
|
|
358
|
1550 sess_id->expire = ngx_time() + SSL_CTX_get_timeout(ssl_ctx);
|
|
|
1551
|
|
|
1552 ngx_queue_insert_head(&cache->expire_queue, &sess_id->queue);
|
|
|
1553
|
|
|
1554 ngx_rbtree_insert(&cache->session_rbtree, &sess_id->node);
|
|
272
|
1555
|
|
|
1556 ngx_shmtx_unlock(&shpool->mutex);
|
|
|
1557
|
|
|
1558 return 0;
|
|
|
1559
|
|
|
1560 failed:
|
|
|
1561
|
|
|
1562 if (cached_sess) {
|
|
|
1563 ngx_slab_free_locked(shpool, cached_sess);
|
|
|
1564 }
|
|
|
1565
|
|
274
|
1566 if (sess_id) {
|
|
|
1567 ngx_slab_free_locked(shpool, sess_id);
|
|
272
|
1568 }
|
|
|
1569
|
|
|
1570 ngx_shmtx_unlock(&shpool->mutex);
|
|
|
1571
|
|
|
1572 ngx_log_error(NGX_LOG_ALERT, c->log, 0,
|
|
|
1573 "could not add new SSL session to the session cache");
|
|
|
1574
|
|
|
1575 return 0;
|
|
|
1576 }
|
|
|
1577
|
|
|
1578
|
|
|
1579 static ngx_ssl_session_t *
|
|
|
1580 ngx_ssl_get_cached_session(ngx_ssl_conn_t *ssl_conn, u_char *id, int len,
|
|
|
1581 int *copy)
|
|
|
1582 {
|
|
|
1583 #if OPENSSL_VERSION_NUMBER >= 0x0090707fL
|
|
|
1584 const
|
|
|
1585 #endif
|
|
|
1586 u_char *p;
|
|
|
1587 uint32_t hash;
|
|
274
|
1588 ngx_int_t rc;
|
|
272
|
1589 ngx_shm_zone_t *shm_zone;
|
|
|
1590 ngx_slab_pool_t *shpool;
|
|
|
1591 ngx_connection_t *c;
|
|
|
1592 ngx_rbtree_node_t *node, *sentinel;
|
|
|
1593 ngx_ssl_session_t *sess;
|
|
|
1594 ngx_ssl_sess_id_t *sess_id;
|
|
|
1595 ngx_ssl_session_cache_t *cache;
|
|
|
1596 u_char buf[NGX_SSL_MAX_SESSION_SIZE];
|
|
|
1597
|
|
|
1598 c = ngx_ssl_get_connection(ssl_conn);
|
|
|
1599
|
|
274
|
1600 hash = ngx_crc32_short(id, (size_t) len);
|
|
272
|
1601 *copy = 0;
|
|
|
1602
|
|
|
1603 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
|
1604 "http ssl get session: %08XD:%d", hash, len);
|
|
|
1605
|
|
|
1606 shm_zone = SSL_CTX_get_ex_data(SSL_get_SSL_CTX(ssl_conn),
|
|
|
1607 ngx_ssl_session_cache_index);
|
|
|
1608
|
|
|
1609 cache = shm_zone->data;
|
|
|
1610
|
|
|
1611 sess = NULL;
|
|
|
1612
|
|
|
1613 shpool = (ngx_slab_pool_t *) shm_zone->shm.addr;
|
|
|
1614
|
|
|
1615 ngx_shmtx_lock(&shpool->mutex);
|
|
|
1616
|
|
358
|
1617 node = cache->session_rbtree.root;
|
|
|
1618 sentinel = cache->session_rbtree.sentinel;
|
|
272
|
1619
|
|
|
1620 while (node != sentinel) {
|
|
|
1621
|
|
|
1622 if (hash < node->key) {
|
|
|
1623 node = node->left;
|
|
|
1624 continue;
|
|
|
1625 }
|
|
|
1626
|
|
|
1627 if (hash > node->key) {
|
|
|
1628 node = node->right;
|
|
|
1629 continue;
|
|
|
1630 }
|
|
|
1631
|
|
274
|
1632 /* hash == node->key */
|
|
|
1633
|
|
|
1634 do {
|
|
272
|
1635 sess_id = (ngx_ssl_sess_id_t *) node;
|
|
|
1636
|
|
274
|
1637 rc = ngx_memn2cmp(id, sess_id->id,
|
|
|
1638 (size_t) len, (size_t) node->data);
|
|
|
1639 if (rc == 0) {
|
|
272
|
1640
|
|
358
|
1641 if (sess_id->expire > ngx_time()) {
|
|
274
|
1642 ngx_memcpy(buf, sess_id->session, sess_id->len);
|
|
272
|
1643
|
|
|
1644 ngx_shmtx_unlock(&shpool->mutex);
|
|
|
1645
|
|
|
1646 p = buf;
|
|
|
1647 sess = d2i_SSL_SESSION(NULL, &p, sess_id->len);
|
|
|
1648
|
|
|
1649 return sess;
|
|
|
1650 }
|
|
|
1651
|
|
358
|
1652 ngx_queue_remove(&sess_id->queue);
|
|
|
1653
|
|
|
1654 ngx_rbtree_delete(&cache->session_rbtree, node);
|
|
272
|
1655
|
|
274
|
1656 ngx_slab_free_locked(shpool, sess_id->session);
|
|
|
1657 #if (NGX_PTR_SIZE == 4)
|
|
272
|
1658 ngx_slab_free_locked(shpool, sess_id->id);
|
|
274
|
1659 #endif
|
|
272
|
1660 ngx_slab_free_locked(shpool, sess_id);
|
|
|
1661
|
|
|
1662 sess = NULL;
|
|
|
1663
|
|
274
|
1664 goto done;
|
|
272
|
1665 }
|
|
274
|
1666
|
|
|
1667 node = (rc < 0) ? node->left : node->right;
|
|
|
1668
|
|
|
1669 } while (node != sentinel && hash == node->key);
|
|
|
1670
|
|
|
1671 break;
|
|
272
|
1672 }
|
|
|
1673
|
|
274
|
1674 done:
|
|
|
1675
|
|
272
|
1676 ngx_shmtx_unlock(&shpool->mutex);
|
|
|
1677
|
|
|
1678 return sess;
|
|
|
1679 }
|
|
|
1680
|
|
|
1681
|
|
366
|
1682 void
|
|
|
1683 ngx_ssl_remove_cached_session(SSL_CTX *ssl, ngx_ssl_session_t *sess)
|
|
|
1684 {
|
|
|
1685 SSL_CTX_remove_session(ssl, sess);
|
|
|
1686
|
|
|
1687 ngx_ssl_remove_session(ssl, sess);
|
|
|
1688 }
|
|
|
1689
|
|
|
1690
|
|
272
|
1691 static void
|
|
|
1692 ngx_ssl_remove_session(SSL_CTX *ssl, ngx_ssl_session_t *sess)
|
|
|
1693 {
|
|
274
|
1694 size_t len;
|
|
|
1695 u_char *id;
|
|
272
|
1696 uint32_t hash;
|
|
274
|
1697 ngx_int_t rc;
|
|
272
|
1698 ngx_shm_zone_t *shm_zone;
|
|
|
1699 ngx_slab_pool_t *shpool;
|
|
|
1700 ngx_rbtree_node_t *node, *sentinel;
|
|
|
1701 ngx_ssl_sess_id_t *sess_id;
|
|
|
1702 ngx_ssl_session_cache_t *cache;
|
|
|
1703
|
|
|
1704 shm_zone = SSL_CTX_get_ex_data(ssl, ngx_ssl_session_cache_index);
|
|
|
1705
|
|
366
|
1706 if (shm_zone == NULL) {
|
|
|
1707 return;
|
|
|
1708 }
|
|
|
1709
|
|
272
|
1710 cache = shm_zone->data;
|
|
|
1711
|
|
|
1712 id = sess->session_id;
|
|
274
|
1713 len = (size_t) sess->session_id_length;
|
|
|
1714
|
|
|
1715 hash = ngx_crc32_short(id, len);
|
|
272
|
1716
|
|
|
1717 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ngx_cycle->log, 0,
|
|
274
|
1718 "http ssl remove session: %08XD:%uz", hash, len);
|
|
272
|
1719
|
|
|
1720 shpool = (ngx_slab_pool_t *) shm_zone->shm.addr;
|
|
|
1721
|
|
|
1722 ngx_shmtx_lock(&shpool->mutex);
|
|
|
1723
|
|
358
|
1724 node = cache->session_rbtree.root;
|
|
|
1725 sentinel = cache->session_rbtree.sentinel;
|
|
272
|
1726
|
|
|
1727 while (node != sentinel) {
|
|
|
1728
|
|
|
1729 if (hash < node->key) {
|
|
|
1730 node = node->left;
|
|
|
1731 continue;
|
|
|
1732 }
|
|
|
1733
|
|
|
1734 if (hash > node->key) {
|
|
|
1735 node = node->right;
|
|
|
1736 continue;
|
|
|
1737 }
|
|
|
1738
|
|
274
|
1739 /* hash == node->key */
|
|
|
1740
|
|
|
1741 do {
|
|
272
|
1742 sess_id = (ngx_ssl_sess_id_t *) node;
|
|
|
1743
|
|
274
|
1744 rc = ngx_memn2cmp(id, sess_id->id, len, (size_t) node->data);
|
|
|
1745
|
|
|
1746 if (rc == 0) {
|
|
358
|
1747
|
|
|
1748 ngx_queue_remove(&sess_id->queue);
|
|
|
1749
|
|
|
1750 ngx_rbtree_delete(&cache->session_rbtree, node);
|
|
272
|
1751
|
|
274
|
1752 ngx_slab_free_locked(shpool, sess_id->session);
|
|
|
1753 #if (NGX_PTR_SIZE == 4)
|
|
272
|
1754 ngx_slab_free_locked(shpool, sess_id->id);
|
|
274
|
1755 #endif
|
|
272
|
1756 ngx_slab_free_locked(shpool, sess_id);
|
|
|
1757
|
|
274
|
1758 goto done;
|
|
272
|
1759 }
|
|
274
|
1760
|
|
|
1761 node = (rc < 0) ? node->left : node->right;
|
|
|
1762
|
|
|
1763 } while (node != sentinel && hash == node->key);
|
|
|
1764
|
|
|
1765 break;
|
|
272
|
1766 }
|
|
|
1767
|
|
274
|
1768 done:
|
|
|
1769
|
|
272
|
1770 ngx_shmtx_unlock(&shpool->mutex);
|
|
|
1771 }
|
|
|
1772
|
|
|
1773
|
|
|
1774 static void
|
|
|
1775 ngx_ssl_expire_sessions(ngx_ssl_session_cache_t *cache,
|
|
|
1776 ngx_slab_pool_t *shpool, ngx_uint_t n)
|
|
|
1777 {
|
|
358
|
1778 time_t now;
|
|
|
1779 ngx_queue_t *q;
|
|
274
|
1780 ngx_ssl_sess_id_t *sess_id;
|
|
272
|
1781
|
|
358
|
1782 now = ngx_time();
|
|
272
|
1783
|
|
|
1784 while (n < 3) {
|
|
|
1785
|
|
358
|
1786 if (ngx_queue_empty(&cache->expire_queue)) {
|
|
272
|
1787 return;
|
|
|
1788 }
|
|
|
1789
|
|
358
|
1790 q = ngx_queue_last(&cache->expire_queue);
|
|
|
1791
|
|
|
1792 sess_id = ngx_queue_data(q, ngx_ssl_sess_id_t, queue);
|
|
|
1793
|
|
|
1794 if (n++ != 0 && sess_id->expire > now) {
|
|
332
|
1795 return;
|
|
272
|
1796 }
|
|
|
1797
|
|
358
|
1798 ngx_queue_remove(q);
|
|
272
|
1799
|
|
|
1800 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, ngx_cycle->log, 0,
|
|
|
1801 "expire session: %08Xi", sess_id->node.key);
|
|
|
1802
|
|
358
|
1803 ngx_rbtree_delete(&cache->session_rbtree, &sess_id->node);
|
|
|
1804
|
|
274
|
1805 ngx_slab_free_locked(shpool, sess_id->session);
|
|
|
1806 #if (NGX_PTR_SIZE == 4)
|
|
272
|
1807 ngx_slab_free_locked(shpool, sess_id->id);
|
|
274
|
1808 #endif
|
|
272
|
1809 ngx_slab_free_locked(shpool, sess_id);
|
|
|
1810 }
|
|
|
1811 }
|
|
|
1812
|
|
|
1813
|
|
274
|
1814 static void
|
|
|
1815 ngx_ssl_session_rbtree_insert_value(ngx_rbtree_node_t *temp,
|
|
|
1816 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel)
|
|
|
1817 {
|
|
356
|
1818 ngx_rbtree_node_t **p;
|
|
|
1819 ngx_ssl_sess_id_t *sess_id, *sess_id_temp;
|
|
274
|
1820
|
|
|
1821 for ( ;; ) {
|
|
|
1822
|
|
|
1823 if (node->key < temp->key) {
|
|
|
1824
|
|
356
|
1825 p = &temp->left;
|
|
274
|
1826
|
|
|
1827 } else if (node->key > temp->key) {
|
|
|
1828
|
|
356
|
1829 p = &temp->right;
|
|
274
|
1830
|
|
|
1831 } else { /* node->key == temp->key */
|
|
|
1832
|
|
|
1833 sess_id = (ngx_ssl_sess_id_t *) node;
|
|
|
1834 sess_id_temp = (ngx_ssl_sess_id_t *) temp;
|
|
|
1835
|
|
356
|
1836 p = (ngx_memn2cmp(sess_id->id, sess_id_temp->id,
|
|
|
1837 (size_t) node->data, (size_t) temp->data)
|
|
|
1838 < 0) ? &temp->left : &temp->right;
|
|
274
|
1839 }
|
|
356
|
1840
|
|
|
1841 if (*p == sentinel) {
|
|
|
1842 break;
|
|
|
1843 }
|
|
|
1844
|
|
|
1845 temp = *p;
|
|
274
|
1846 }
|
|
|
1847
|
|
356
|
1848 *p = node;
|
|
274
|
1849 node->parent = temp;
|
|
|
1850 node->left = sentinel;
|
|
|
1851 node->right = sentinel;
|
|
|
1852 ngx_rbt_red(node);
|
|
276
|
1853 }
|
|
274
|
1854
|
|
|
1855
|
|
58
|
1856 void
|
|
|
1857 ngx_ssl_cleanup_ctx(void *data)
|
|
|
1858 {
|
|
138
|
1859 ngx_ssl_t *ssl = data;
|
|
58
|
1860
|
|
138
|
1861 SSL_CTX_free(ssl->ctx);
|
|
58
|
1862 }
|
|
90
|
1863
|
|
|
1864
|
|
220
|
1865 ngx_int_t
|
|
|
1866 ngx_ssl_get_protocol(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
|
|
160
|
1867 {
|
|
220
|
1868 s->data = (u_char *) SSL_get_version(c->ssl->connection);
|
|
|
1869 return NGX_OK;
|
|
160
|
1870 }
|
|
|
1871
|
|
|
1872
|
|
220
|
1873 ngx_int_t
|
|
|
1874 ngx_ssl_get_cipher_name(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
|
|
160
|
1875 {
|
|
220
|
1876 s->data = (u_char *) SSL_get_cipher_name(c->ssl->connection);
|
|
|
1877 return NGX_OK;
|
|
160
|
1878 }
|
|
|
1879
|
|
|
1880
|
|
196
|
1881 ngx_int_t
|
|
380
|
1882 ngx_ssl_get_certificate(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
|
|
|
1883 {
|
|
|
1884 size_t len;
|
|
|
1885 BIO *bio;
|
|
|
1886 X509 *cert;
|
|
|
1887
|
|
|
1888 s->len = 0;
|
|
|
1889
|
|
|
1890 cert = SSL_get_peer_certificate(c->ssl->connection);
|
|
|
1891 if (cert == NULL) {
|
|
|
1892 return NGX_OK;
|
|
|
1893 }
|
|
|
1894
|
|
|
1895 bio = BIO_new(BIO_s_mem());
|
|
|
1896 if (bio == NULL) {
|
|
|
1897 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "BIO_new() failed");
|
|
|
1898 X509_free(cert);
|
|
|
1899 return NGX_ERROR;
|
|
|
1900 }
|
|
|
1901
|
|
|
1902 if (PEM_write_bio_X509(bio, cert) == 0) {
|
|
|
1903 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "PEM_write_bio_X509() failed");
|
|
|
1904 goto failed;
|
|
|
1905 }
|
|
|
1906
|
|
|
1907 len = BIO_pending(bio);
|
|
|
1908 s->len = len;
|
|
|
1909
|
|
|
1910 s->data = ngx_palloc(pool, len);
|
|
|
1911 if (s->data == NULL) {
|
|
|
1912 goto failed;
|
|
|
1913 }
|
|
|
1914
|
|
|
1915 BIO_read(bio, s->data, len);
|
|
|
1916
|
|
|
1917 BIO_free(bio);
|
|
|
1918 X509_free(cert);
|
|
|
1919
|
|
|
1920 return NGX_OK;
|
|
|
1921
|
|
|
1922 failed:
|
|
|
1923
|
|
|
1924 BIO_free(bio);
|
|
|
1925 X509_free(cert);
|
|
|
1926
|
|
|
1927 return NGX_ERROR;
|
|
|
1928 }
|
|
|
1929
|
|
|
1930
|
|
|
1931 ngx_int_t
|
|
196
|
1932 ngx_ssl_get_subject_dn(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
|
|
|
1933 {
|
|
|
1934 char *p;
|
|
|
1935 size_t len;
|
|
|
1936 X509 *cert;
|
|
|
1937 X509_NAME *name;
|
|
|
1938
|
|
|
1939 s->len = 0;
|
|
|
1940
|
|
|
1941 cert = SSL_get_peer_certificate(c->ssl->connection);
|
|
|
1942 if (cert == NULL) {
|
|
|
1943 return NGX_OK;
|
|
|
1944 }
|
|
|
1945
|
|
|
1946 name = X509_get_subject_name(cert);
|
|
|
1947 if (name == NULL) {
|
|
372
|
1948 X509_free(cert);
|
|
196
|
1949 return NGX_ERROR;
|
|
|
1950 }
|
|
|
1951
|
|
|
1952 p = X509_NAME_oneline(name, NULL, 0);
|
|
|
1953
|
|
|
1954 for (len = 0; p[len]; len++) { /* void */ }
|
|
|
1955
|
|
|
1956 s->len = len;
|
|
|
1957 s->data = ngx_palloc(pool, len);
|
|
|
1958 if (s->data == NULL) {
|
|
|
1959 OPENSSL_free(p);
|
|
372
|
1960 X509_free(cert);
|
|
196
|
1961 return NGX_ERROR;
|
|
|
1962 }
|
|
|
1963
|
|
|
1964 ngx_memcpy(s->data, p, len);
|
|
|
1965
|
|
|
1966 OPENSSL_free(p);
|
|
372
|
1967 X509_free(cert);
|
|
196
|
1968
|
|
|
1969 return NGX_OK;
|
|
|
1970 }
|
|
|
1971
|
|
|
1972
|
|
|
1973 ngx_int_t
|
|
|
1974 ngx_ssl_get_issuer_dn(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
|
|
|
1975 {
|
|
|
1976 char *p;
|
|
|
1977 size_t len;
|
|
|
1978 X509 *cert;
|
|
|
1979 X509_NAME *name;
|
|
|
1980
|
|
|
1981 s->len = 0;
|
|
|
1982
|
|
|
1983 cert = SSL_get_peer_certificate(c->ssl->connection);
|
|
|
1984 if (cert == NULL) {
|
|
|
1985 return NGX_OK;
|
|
|
1986 }
|
|
|
1987
|
|
|
1988 name = X509_get_issuer_name(cert);
|
|
|
1989 if (name == NULL) {
|
|
372
|
1990 X509_free(cert);
|
|
196
|
1991 return NGX_ERROR;
|
|
|
1992 }
|
|
|
1993
|
|
|
1994 p = X509_NAME_oneline(name, NULL, 0);
|
|
|
1995
|
|
|
1996 for (len = 0; p[len]; len++) { /* void */ }
|
|
|
1997
|
|
|
1998 s->len = len;
|
|
|
1999 s->data = ngx_palloc(pool, len);
|
|
|
2000 if (s->data == NULL) {
|
|
|
2001 OPENSSL_free(p);
|
|
372
|
2002 X509_free(cert);
|
|
196
|
2003 return NGX_ERROR;
|
|
|
2004 }
|
|
|
2005
|
|
|
2006 ngx_memcpy(s->data, p, len);
|
|
|
2007
|
|
|
2008 OPENSSL_free(p);
|
|
372
|
2009 X509_free(cert);
|
|
196
|
2010
|
|
|
2011 return NGX_OK;
|
|
|
2012 }
|
|
|
2013
|
|
|
2014
|
|
220
|
2015 ngx_int_t
|
|
|
2016 ngx_ssl_get_serial_number(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
|
|
|
2017 {
|
|
|
2018 size_t len;
|
|
|
2019 X509 *cert;
|
|
|
2020 BIO *bio;
|
|
|
2021
|
|
|
2022 s->len = 0;
|
|
|
2023
|
|
|
2024 cert = SSL_get_peer_certificate(c->ssl->connection);
|
|
|
2025 if (cert == NULL) {
|
|
|
2026 return NGX_OK;
|
|
|
2027 }
|
|
|
2028
|
|
|
2029 bio = BIO_new(BIO_s_mem());
|
|
|
2030 if (bio == NULL) {
|
|
372
|
2031 X509_free(cert);
|
|
220
|
2032 return NGX_ERROR;
|
|
|
2033 }
|
|
|
2034
|
|
|
2035 i2a_ASN1_INTEGER(bio, X509_get_serialNumber(cert));
|
|
|
2036 len = BIO_pending(bio);
|
|
|
2037
|
|
|
2038 s->len = len;
|
|
|
2039 s->data = ngx_palloc(pool, len);
|
|
|
2040 if (s->data == NULL) {
|
|
|
2041 BIO_free(bio);
|
|
372
|
2042 X509_free(cert);
|
|
220
|
2043 return NGX_ERROR;
|
|
|
2044 }
|
|
|
2045
|
|
|
2046 BIO_read(bio, s->data, len);
|
|
|
2047 BIO_free(bio);
|
|
372
|
2048 X509_free(cert);
|
|
220
|
2049
|
|
|
2050 return NGX_OK;
|
|
|
2051 }
|
|
|
2052
|
|
|
2053
|
|
90
|
2054 static void *
|
|
|
2055 ngx_openssl_create_conf(ngx_cycle_t *cycle)
|
|
|
2056 {
|
|
|
2057 ngx_openssl_conf_t *oscf;
|
|
126
|
2058
|
|
90
|
2059 oscf = ngx_pcalloc(cycle->pool, sizeof(ngx_openssl_conf_t));
|
|
|
2060 if (oscf == NULL) {
|
|
|
2061 return NGX_CONF_ERROR;
|
|
|
2062 }
|
|
126
|
2063
|
|
90
|
2064 /*
|
|
|
2065 * set by ngx_pcalloc():
|
|
126
|
2066 *
|
|
90
|
2067 * oscf->engine.len = 0;
|
|
|
2068 * oscf->engine.data = NULL;
|
|
126
|
2069 */
|
|
90
|
2070
|
|
|
2071 return oscf;
|
|
|
2072 }
|
|
|
2073
|
|
|
2074
|
|
|
2075 static char *
|
|
|
2076 ngx_openssl_init_conf(ngx_cycle_t *cycle, void *conf)
|
|
|
2077 {
|
|
|
2078 #if (NGX_SSL_ENGINE)
|
|
|
2079 ngx_openssl_conf_t *oscf = conf;
|
|
120
|
2080
|
|
90
|
2081 ENGINE *engine;
|
|
|
2082
|
|
|
2083 if (oscf->engine.len == 0) {
|
|
|
2084 return NGX_CONF_OK;
|
|
|
2085 }
|
|
126
|
2086
|
|
90
|
2087 engine = ENGINE_by_id((const char *) oscf->engine.data);
|
|
|
2088
|
|
|
2089 if (engine == NULL) {
|
|
|
2090 ngx_ssl_error(NGX_LOG_WARN, cycle->log, 0,
|
|
|
2091 "ENGINE_by_id(\"%V\") failed", &oscf->engine);
|
|
|
2092 return NGX_CONF_ERROR;
|
|
|
2093 }
|
|
|
2094
|
|
|
2095 if (ENGINE_set_default(engine, ENGINE_METHOD_ALL) == 0) {
|
|
|
2096 ngx_ssl_error(NGX_LOG_WARN, cycle->log, 0,
|
|
|
2097 "ENGINE_set_default(\"%V\", ENGINE_METHOD_ALL) failed",
|
|
|
2098 &oscf->engine);
|
|
|
2099 return NGX_CONF_ERROR;
|
|
|
2100 }
|
|
|
2101
|
|
|
2102 ENGINE_free(engine);
|
|
|
2103
|
|
|
2104 #endif
|
|
|
2105
|
|
|
2106 return NGX_CONF_OK;
|
|
|
2107 }
|
|
|
2108
|
|
|
2109
|
|
|
2110 #if !(NGX_SSL_ENGINE)
|
|
|
2111
|
|
|
2112 static char *
|
|
|
2113 ngx_openssl_noengine(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
2114 {
|
|
|
2115 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
112
|
2116 "\"ssl_engine\" directive is available only in "
|
|
|
2117 "OpenSSL 0.9.7 and higher,");
|
|
90
|
2118
|
|
|
2119 return NGX_CONF_ERROR;
|
|
|
2120 }
|
|
|
2121
|
|
|
2122 #endif
|
|
120
|
2123
|
|
|
2124
|
|
|
2125 static void
|
|
|
2126 ngx_openssl_exit(ngx_cycle_t *cycle)
|
|
|
2127 {
|
|
|
2128 #if (NGX_SSL_ENGINE)
|
|
|
2129 ENGINE_cleanup();
|
|
|
2130 #endif
|
|
|
2131 }
|
