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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
|
|
390
|
508 c->read->ready = 0;
|
|
|
509 c->write->ready = 1;
|
|
|
510
|
|
96
|
511 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) {
|
|
|
512 return NGX_ERROR;
|
|
|
513 }
|
|
|
514
|
|
|
515 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) {
|
|
|
516 return NGX_ERROR;
|
|
|
517 }
|
|
|
518
|
|
|
519 #if (NGX_DEBUG)
|
|
|
520 {
|
|
|
521 char buf[129], *s, *d;
|
|
|
522 SSL_CIPHER *cipher;
|
|
|
523
|
|
|
524 cipher = SSL_get_current_cipher(c->ssl->connection);
|
|
|
525
|
|
|
526 if (cipher) {
|
|
|
527 SSL_CIPHER_description(cipher, &buf[1], 128);
|
|
|
528
|
|
|
529 for (s = &buf[1], d = buf; *s; s++) {
|
|
|
530 if (*s == ' ' && *d == ' ') {
|
|
|
531 continue;
|
|
|
532 }
|
|
|
533
|
|
|
534 if (*s == LF || *s == CR) {
|
|
|
535 continue;
|
|
|
536 }
|
|
|
537
|
|
|
538 *++d = *s;
|
|
|
539 }
|
|
|
540
|
|
|
541 if (*d != ' ') {
|
|
|
542 d++;
|
|
|
543 }
|
|
|
544
|
|
|
545 *d = '\0';
|
|
|
546
|
|
132
|
547 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
96
|
548 "SSL: %s, cipher: \"%s\"",
|
|
126
|
549 SSL_get_version(c->ssl->connection), &buf[1]);
|
|
96
|
550
|
|
|
551 if (SSL_session_reused(c->ssl->connection)) {
|
|
132
|
552 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
96
|
553 "SSL reused session");
|
|
|
554 }
|
|
|
555
|
|
|
556 } else {
|
|
|
557 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
126
|
558 "SSL no shared ciphers");
|
|
96
|
559 }
|
|
|
560 }
|
|
|
561 #endif
|
|
|
562
|
|
|
563 c->ssl->handshaked = 1;
|
|
|
564
|
|
|
565 c->recv = ngx_ssl_recv;
|
|
|
566 c->send = ngx_ssl_write;
|
|
126
|
567 c->recv_chain = ngx_ssl_recv_chain;
|
|
|
568 c->send_chain = ngx_ssl_send_chain;
|
|
96
|
569
|
|
|
570 return NGX_OK;
|
|
|
571 }
|
|
|
572
|
|
|
573 sslerr = SSL_get_error(c->ssl->connection, n);
|
|
|
574
|
|
|
575 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", sslerr);
|
|
|
576
|
|
|
577 if (sslerr == SSL_ERROR_WANT_READ) {
|
|
|
578 c->read->ready = 0;
|
|
|
579 c->read->handler = ngx_ssl_handshake_handler;
|
|
140
|
580 c->write->handler = ngx_ssl_handshake_handler;
|
|
96
|
581
|
|
|
582 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) {
|
|
|
583 return NGX_ERROR;
|
|
|
584 }
|
|
|
585
|
|
|
586 return NGX_AGAIN;
|
|
|
587 }
|
|
|
588
|
|
|
589 if (sslerr == SSL_ERROR_WANT_WRITE) {
|
|
|
590 c->write->ready = 0;
|
|
140
|
591 c->read->handler = ngx_ssl_handshake_handler;
|
|
96
|
592 c->write->handler = ngx_ssl_handshake_handler;
|
|
|
593
|
|
|
594 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) {
|
|
|
595 return NGX_ERROR;
|
|
|
596 }
|
|
|
597
|
|
|
598 return NGX_AGAIN;
|
|
|
599 }
|
|
|
600
|
|
|
601 err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0;
|
|
|
602
|
|
|
603 c->ssl->no_wait_shutdown = 1;
|
|
|
604 c->ssl->no_send_shutdown = 1;
|
|
140
|
605 c->read->eof = 1;
|
|
96
|
606
|
|
|
607 if (sslerr == SSL_ERROR_ZERO_RETURN || ERR_peek_error() == 0) {
|
|
|
608 ngx_log_error(NGX_LOG_INFO, c->log, err,
|
|
126
|
609 "peer closed connection in SSL handshake");
|
|
96
|
610
|
|
|
611 return NGX_ERROR;
|
|
|
612 }
|
|
|
613
|
|
140
|
614 c->read->error = 1;
|
|
|
615
|
|
96
|
616 ngx_ssl_connection_error(c, sslerr, err, "SSL_do_handshake() failed");
|
|
|
617
|
|
|
618 return NGX_ERROR;
|
|
|
619 }
|
|
|
620
|
|
|
621
|
|
|
622 static void
|
|
|
623 ngx_ssl_handshake_handler(ngx_event_t *ev)
|
|
|
624 {
|
|
|
625 ngx_connection_t *c;
|
|
|
626
|
|
|
627 c = ev->data;
|
|
|
628
|
|
98
|
629 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
126
|
630 "SSL handshake handler: %d", ev->write);
|
|
96
|
631
|
|
140
|
632 if (ev->timedout) {
|
|
|
633 c->ssl->handler(c);
|
|
|
634 return;
|
|
|
635 }
|
|
|
636
|
|
96
|
637 if (ngx_ssl_handshake(c) == NGX_AGAIN) {
|
|
|
638 return;
|
|
|
639 }
|
|
|
640
|
|
|
641 c->ssl->handler(c);
|
|
|
642 }
|
|
|
643
|
|
|
644
|
|
38
|
645 ssize_t
|
|
126
|
646 ngx_ssl_recv_chain(ngx_connection_t *c, ngx_chain_t *cl)
|
|
|
647 {
|
|
294
|
648 u_char *last;
|
|
126
|
649 ssize_t n, bytes;
|
|
|
650 ngx_buf_t *b;
|
|
|
651
|
|
|
652 bytes = 0;
|
|
|
653
|
|
294
|
654 b = cl->buf;
|
|
|
655 last = b->last;
|
|
|
656
|
|
|
657 for ( ;; ) {
|
|
|
658
|
|
|
659 n = ngx_ssl_recv(c, last, b->end - last);
|
|
126
|
660
|
|
|
661 if (n > 0) {
|
|
294
|
662 last += n;
|
|
126
|
663 bytes += n;
|
|
|
664
|
|
294
|
665 if (last == b->end) {
|
|
126
|
666 cl = cl->next;
|
|
294
|
667
|
|
|
668 if (cl == NULL) {
|
|
|
669 return bytes;
|
|
|
670 }
|
|
|
671
|
|
|
672 b = cl->buf;
|
|
|
673 last = b->last;
|
|
126
|
674 }
|
|
|
675
|
|
|
676 continue;
|
|
|
677 }
|
|
|
678
|
|
|
679 if (bytes) {
|
|
382
|
680
|
|
|
681 if (n == 0 || n == NGX_ERROR) {
|
|
|
682 c->read->ready = 1;
|
|
|
683 }
|
|
|
684
|
|
126
|
685 return bytes;
|
|
|
686 }
|
|
|
687
|
|
|
688 return n;
|
|
|
689 }
|
|
|
690 }
|
|
|
691
|
|
|
692
|
|
|
693 ssize_t
|
|
38
|
694 ngx_ssl_recv(ngx_connection_t *c, u_char *buf, size_t size)
|
|
0
|
695 {
|
|
38
|
696 int n, bytes;
|
|
|
697
|
|
|
698 if (c->ssl->last == NGX_ERROR) {
|
|
330
|
699 c->read->error = 1;
|
|
38
|
700 return NGX_ERROR;
|
|
|
701 }
|
|
|
702
|
|
126
|
703 if (c->ssl->last == NGX_DONE) {
|
|
330
|
704 c->read->ready = 0;
|
|
|
705 c->read->eof = 1;
|
|
126
|
706 return 0;
|
|
|
707 }
|
|
|
708
|
|
38
|
709 bytes = 0;
|
|
0
|
710
|
|
358
|
711 ngx_ssl_clear_error(c->log);
|
|
|
712
|
|
38
|
713 /*
|
|
|
714 * SSL_read() may return data in parts, so try to read
|
|
|
715 * until SSL_read() would return no data
|
|
|
716 */
|
|
|
717
|
|
|
718 for ( ;; ) {
|
|
0
|
719
|
|
92
|
720 n = SSL_read(c->ssl->connection, buf, size);
|
|
38
|
721
|
|
126
|
722 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_read: %d", n);
|
|
0
|
723
|
|
38
|
724 if (n > 0) {
|
|
|
725 bytes += n;
|
|
|
726 }
|
|
|
727
|
|
|
728 c->ssl->last = ngx_ssl_handle_recv(c, n);
|
|
|
729
|
|
330
|
730 if (c->ssl->last == NGX_OK) {
|
|
|
731
|
|
|
732 size -= n;
|
|
|
733
|
|
|
734 if (size == 0) {
|
|
38
|
735 return bytes;
|
|
126
|
736 }
|
|
38
|
737
|
|
330
|
738 buf += n;
|
|
|
739
|
|
|
740 continue;
|
|
|
741 }
|
|
|
742
|
|
|
743 if (bytes) {
|
|
|
744 return bytes;
|
|
|
745 }
|
|
|
746
|
|
|
747 switch (c->ssl->last) {
|
|
|
748
|
|
|
749 case NGX_DONE:
|
|
|
750 c->read->ready = 0;
|
|
|
751 c->read->eof = 1;
|
|
|
752 return 0;
|
|
|
753
|
|
|
754 case NGX_ERROR:
|
|
|
755 c->read->error = 1;
|
|
|
756
|
|
|
757 /* fall thruogh */
|
|
|
758
|
|
|
759 case NGX_AGAIN:
|
|
126
|
760 return c->ssl->last;
|
|
28
|
761 }
|
|
38
|
762 }
|
|
|
763 }
|
|
|
764
|
|
|
765
|
|
|
766 static ngx_int_t
|
|
|
767 ngx_ssl_handle_recv(ngx_connection_t *c, int n)
|
|
|
768 {
|
|
96
|
769 int sslerr;
|
|
|
770 ngx_err_t err;
|
|
38
|
771
|
|
|
772 if (n > 0) {
|
|
28
|
773
|
|
22
|
774 if (c->ssl->saved_write_handler) {
|
|
|
775
|
|
58
|
776 c->write->handler = c->ssl->saved_write_handler;
|
|
22
|
777 c->ssl->saved_write_handler = NULL;
|
|
|
778 c->write->ready = 1;
|
|
|
779
|
|
|
780 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) {
|
|
|
781 return NGX_ERROR;
|
|
|
782 }
|
|
|
783
|
|
112
|
784 ngx_post_event(c->write, &ngx_posted_events);
|
|
22
|
785 }
|
|
|
786
|
|
38
|
787 return NGX_OK;
|
|
0
|
788 }
|
|
|
789
|
|
92
|
790 sslerr = SSL_get_error(c->ssl->connection, n);
|
|
0
|
791
|
|
|
792 err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0;
|
|
|
793
|
|
|
794 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", sslerr);
|
|
|
795
|
|
|
796 if (sslerr == SSL_ERROR_WANT_READ) {
|
|
4
|
797 c->read->ready = 0;
|
|
0
|
798 return NGX_AGAIN;
|
|
|
799 }
|
|
|
800
|
|
|
801 if (sslerr == SSL_ERROR_WANT_WRITE) {
|
|
88
|
802
|
|
96
|
803 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
126
|
804 "peer started SSL renegotiation");
|
|
22
|
805
|
|
|
806 c->write->ready = 0;
|
|
|
807
|
|
|
808 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) {
|
|
|
809 return NGX_ERROR;
|
|
|
810 }
|
|
|
811
|
|
|
812 /*
|
|
|
813 * we do not set the timer because there is already the read event timer
|
|
|
814 */
|
|
|
815
|
|
|
816 if (c->ssl->saved_write_handler == NULL) {
|
|
58
|
817 c->ssl->saved_write_handler = c->write->handler;
|
|
|
818 c->write->handler = ngx_ssl_write_handler;
|
|
22
|
819 }
|
|
|
820
|
|
0
|
821 return NGX_AGAIN;
|
|
|
822 }
|
|
|
823
|
|
96
|
824 c->ssl->no_wait_shutdown = 1;
|
|
|
825 c->ssl->no_send_shutdown = 1;
|
|
0
|
826
|
|
|
827 if (sslerr == SSL_ERROR_ZERO_RETURN || ERR_peek_error() == 0) {
|
|
126
|
828 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
|
829 "peer shutdown SSL cleanly");
|
|
|
830 return NGX_DONE;
|
|
0
|
831 }
|
|
|
832
|
|
96
|
833 ngx_ssl_connection_error(c, sslerr, err, "SSL_read() failed");
|
|
0
|
834
|
|
|
835 return NGX_ERROR;
|
|
|
836 }
|
|
|
837
|
|
|
838
|
|
38
|
839 static void
|
|
|
840 ngx_ssl_write_handler(ngx_event_t *wev)
|
|
22
|
841 {
|
|
|
842 ngx_connection_t *c;
|
|
|
843
|
|
|
844 c = wev->data;
|
|
96
|
845
|
|
58
|
846 c->read->handler(c->read);
|
|
22
|
847 }
|
|
|
848
|
|
|
849
|
|
0
|
850 /*
|
|
|
851 * OpenSSL has no SSL_writev() so we copy several bufs into our 16K buffer
|
|
22
|
852 * before the SSL_write() call to decrease a SSL overhead.
|
|
0
|
853 *
|
|
|
854 * Besides for protocols such as HTTP it is possible to always buffer
|
|
|
855 * the output to decrease a SSL overhead some more.
|
|
|
856 */
|
|
|
857
|
|
38
|
858 ngx_chain_t *
|
|
|
859 ngx_ssl_send_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit)
|
|
0
|
860 {
|
|
|
861 int n;
|
|
|
862 ngx_uint_t flush;
|
|
|
863 ssize_t send, size;
|
|
|
864 ngx_buf_t *buf;
|
|
|
865
|
|
146
|
866 if (!c->ssl->buffer
|
|
|
867 || (in && in->next == NULL && !(c->buffered & NGX_SSL_BUFFERED)))
|
|
|
868 {
|
|
0
|
869 /*
|
|
126
|
870 * we avoid a buffer copy if
|
|
|
871 * we do not need to buffer the output
|
|
|
872 * or the incoming buf is a single and our buffer is empty
|
|
0
|
873 */
|
|
|
874
|
|
126
|
875 while (in) {
|
|
|
876 if (ngx_buf_special(in->buf)) {
|
|
|
877 in = in->next;
|
|
|
878 continue;
|
|
|
879 }
|
|
0
|
880
|
|
126
|
881 n = ngx_ssl_write(c, in->buf->pos, in->buf->last - in->buf->pos);
|
|
|
882
|
|
|
883 if (n == NGX_ERROR) {
|
|
|
884 return NGX_CHAIN_ERROR;
|
|
|
885 }
|
|
0
|
886
|
|
126
|
887 if (n == NGX_AGAIN) {
|
|
146
|
888 c->buffered |= NGX_SSL_BUFFERED;
|
|
126
|
889 return in;
|
|
|
890 }
|
|
|
891
|
|
|
892 in->buf->pos += n;
|
|
|
893
|
|
|
894 if (in->buf->pos == in->buf->last) {
|
|
|
895 in = in->next;
|
|
|
896 }
|
|
0
|
897 }
|
|
|
898
|
|
|
899 return in;
|
|
|
900 }
|
|
|
901
|
|
22
|
902
|
|
|
903 /* the maximum limit size is the maximum uint32_t value - the page size */
|
|
|
904
|
|
324
|
905 if (limit == 0 || limit > (off_t) (NGX_MAX_UINT32_VALUE - ngx_pagesize)) {
|
|
22
|
906 limit = NGX_MAX_UINT32_VALUE - ngx_pagesize;
|
|
|
907 }
|
|
|
908
|
|
126
|
909 buf = c->ssl->buf;
|
|
358
|
910
|
|
|
911 if (buf == NULL) {
|
|
|
912 buf = ngx_create_temp_buf(c->pool, NGX_SSL_BUFSIZE);
|
|
|
913 if (buf == NULL) {
|
|
|
914 return NGX_CHAIN_ERROR;
|
|
|
915 }
|
|
|
916
|
|
|
917 c->ssl->buf = buf;
|
|
|
918 }
|
|
|
919
|
|
|
920 if (buf->start == NULL) {
|
|
|
921 buf->start = ngx_palloc(c->pool, NGX_SSL_BUFSIZE);
|
|
|
922 if (buf->start == NULL) {
|
|
|
923 return NGX_CHAIN_ERROR;
|
|
|
924 }
|
|
|
925
|
|
|
926 buf->pos = buf->start;
|
|
|
927 buf->last = buf->start;
|
|
|
928 buf->end = buf->start + NGX_SSL_BUFSIZE;
|
|
|
929 }
|
|
|
930
|
|
0
|
931 send = 0;
|
|
|
932 flush = (in == NULL) ? 1 : 0;
|
|
|
933
|
|
|
934 for ( ;; ) {
|
|
|
935
|
|
|
936 while (in && buf->last < buf->end) {
|
|
132
|
937 if (in->buf->last_buf || in->buf->flush) {
|
|
0
|
938 flush = 1;
|
|
|
939 }
|
|
|
940
|
|
|
941 if (ngx_buf_special(in->buf)) {
|
|
|
942 in = in->next;
|
|
|
943 continue;
|
|
|
944 }
|
|
|
945
|
|
|
946 size = in->buf->last - in->buf->pos;
|
|
|
947
|
|
|
948 if (size > buf->end - buf->last) {
|
|
|
949 size = buf->end - buf->last;
|
|
|
950 }
|
|
|
951
|
|
|
952 if (send + size > limit) {
|
|
126
|
953 size = (ssize_t) (limit - send);
|
|
0
|
954 flush = 1;
|
|
|
955 }
|
|
|
956
|
|
|
957 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
|
958 "SSL buf copy: %d", size);
|
|
|
959
|
|
|
960 ngx_memcpy(buf->last, in->buf->pos, size);
|
|
|
961
|
|
|
962 buf->last += size;
|
|
|
963
|
|
|
964 in->buf->pos += size;
|
|
126
|
965
|
|
0
|
966 if (in->buf->pos == in->buf->last) {
|
|
|
967 in = in->next;
|
|
|
968 }
|
|
|
969 }
|
|
|
970
|
|
|
971 size = buf->last - buf->pos;
|
|
|
972
|
|
|
973 if (!flush && buf->last < buf->end && c->ssl->buffer) {
|
|
|
974 break;
|
|
|
975 }
|
|
|
976
|
|
|
977 n = ngx_ssl_write(c, buf->pos, size);
|
|
|
978
|
|
|
979 if (n == NGX_ERROR) {
|
|
|
980 return NGX_CHAIN_ERROR;
|
|
|
981 }
|
|
|
982
|
|
60
|
983 if (n == NGX_AGAIN) {
|
|
146
|
984 c->buffered |= NGX_SSL_BUFFERED;
|
|
60
|
985 return in;
|
|
0
|
986 }
|
|
|
987
|
|
|
988 buf->pos += n;
|
|
|
989 send += n;
|
|
|
990 c->sent += n;
|
|
|
991
|
|
|
992 if (n < size) {
|
|
|
993 break;
|
|
|
994 }
|
|
|
995
|
|
|
996 if (buf->pos == buf->last) {
|
|
|
997 buf->pos = buf->start;
|
|
|
998 buf->last = buf->start;
|
|
|
999 }
|
|
|
1000
|
|
|
1001 if (in == NULL || send == limit) {
|
|
|
1002 break;
|
|
|
1003 }
|
|
|
1004 }
|
|
|
1005
|
|
146
|
1006 if (buf->pos < buf->last) {
|
|
|
1007 c->buffered |= NGX_SSL_BUFFERED;
|
|
|
1008
|
|
|
1009 } else {
|
|
|
1010 c->buffered &= ~NGX_SSL_BUFFERED;
|
|
|
1011 }
|
|
0
|
1012
|
|
|
1013 return in;
|
|
|
1014 }
|
|
|
1015
|
|
|
1016
|
|
88
|
1017 ssize_t
|
|
38
|
1018 ngx_ssl_write(ngx_connection_t *c, u_char *data, size_t size)
|
|
0
|
1019 {
|
|
96
|
1020 int n, sslerr;
|
|
|
1021 ngx_err_t err;
|
|
0
|
1022
|
|
358
|
1023 ngx_ssl_clear_error(c->log);
|
|
|
1024
|
|
0
|
1025 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL to write: %d", size);
|
|
|
1026
|
|
92
|
1027 n = SSL_write(c->ssl->connection, data, size);
|
|
0
|
1028
|
|
|
1029 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_write: %d", n);
|
|
|
1030
|
|
|
1031 if (n > 0) {
|
|
88
|
1032
|
|
22
|
1033 if (c->ssl->saved_read_handler) {
|
|
|
1034
|
|
58
|
1035 c->read->handler = c->ssl->saved_read_handler;
|
|
22
|
1036 c->ssl->saved_read_handler = NULL;
|
|
|
1037 c->read->ready = 1;
|
|
|
1038
|
|
|
1039 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) {
|
|
|
1040 return NGX_ERROR;
|
|
|
1041 }
|
|
|
1042
|
|
112
|
1043 ngx_post_event(c->read, &ngx_posted_events);
|
|
22
|
1044 }
|
|
|
1045
|
|
0
|
1046 return n;
|
|
|
1047 }
|
|
|
1048
|
|
92
|
1049 sslerr = SSL_get_error(c->ssl->connection, n);
|
|
0
|
1050
|
|
|
1051 err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0;
|
|
|
1052
|
|
|
1053 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", sslerr);
|
|
|
1054
|
|
|
1055 if (sslerr == SSL_ERROR_WANT_WRITE) {
|
|
|
1056 c->write->ready = 0;
|
|
|
1057 return NGX_AGAIN;
|
|
|
1058 }
|
|
|
1059
|
|
|
1060 if (sslerr == SSL_ERROR_WANT_READ) {
|
|
2
|
1061
|
|
96
|
1062 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
126
|
1063 "peer started SSL renegotiation");
|
|
22
|
1064
|
|
|
1065 c->read->ready = 0;
|
|
|
1066
|
|
|
1067 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) {
|
|
|
1068 return NGX_ERROR;
|
|
|
1069 }
|
|
|
1070
|
|
|
1071 /*
|
|
|
1072 * we do not set the timer because there is already
|
|
|
1073 * the write event timer
|
|
|
1074 */
|
|
|
1075
|
|
|
1076 if (c->ssl->saved_read_handler == NULL) {
|
|
58
|
1077 c->ssl->saved_read_handler = c->read->handler;
|
|
|
1078 c->read->handler = ngx_ssl_read_handler;
|
|
22
|
1079 }
|
|
|
1080
|
|
0
|
1081 return NGX_AGAIN;
|
|
|
1082 }
|
|
|
1083
|
|
96
|
1084 c->ssl->no_wait_shutdown = 1;
|
|
|
1085 c->ssl->no_send_shutdown = 1;
|
|
140
|
1086 c->write->error = 1;
|
|
92
|
1087
|
|
96
|
1088 ngx_ssl_connection_error(c, sslerr, err, "SSL_write() failed");
|
|
0
|
1089
|
|
|
1090 return NGX_ERROR;
|
|
|
1091 }
|
|
|
1092
|
|
|
1093
|
|
38
|
1094 static void
|
|
|
1095 ngx_ssl_read_handler(ngx_event_t *rev)
|
|
22
|
1096 {
|
|
|
1097 ngx_connection_t *c;
|
|
|
1098
|
|
|
1099 c = rev->data;
|
|
96
|
1100
|
|
58
|
1101 c->write->handler(c->write);
|
|
22
|
1102 }
|
|
|
1103
|
|
|
1104
|
|
358
|
1105 void
|
|
|
1106 ngx_ssl_free_buffer(ngx_connection_t *c)
|
|
|
1107 {
|
|
360
|
1108 if (c->ssl->buf && c->ssl->buf->start) {
|
|
|
1109 if (ngx_pfree(c->pool, c->ssl->buf->start) == NGX_OK) {
|
|
|
1110 c->ssl->buf->start = NULL;
|
|
|
1111 }
|
|
358
|
1112 }
|
|
|
1113 }
|
|
|
1114
|
|
|
1115
|
|
38
|
1116 ngx_int_t
|
|
|
1117 ngx_ssl_shutdown(ngx_connection_t *c)
|
|
0
|
1118 {
|
|
358
|
1119 int n, sslerr, mode;
|
|
|
1120 ngx_err_t err;
|
|
0
|
1121
|
|
126
|
1122 if (c->timedout) {
|
|
96
|
1123 mode = SSL_RECEIVED_SHUTDOWN|SSL_SENT_SHUTDOWN;
|
|
0
|
1124
|
|
96
|
1125 } else {
|
|
|
1126 mode = SSL_get_shutdown(c->ssl->connection);
|
|
22
|
1127
|
|
96
|
1128 if (c->ssl->no_wait_shutdown) {
|
|
|
1129 mode |= SSL_RECEIVED_SHUTDOWN;
|
|
0
|
1130 }
|
|
|
1131
|
|
96
|
1132 if (c->ssl->no_send_shutdown) {
|
|
|
1133 mode |= SSL_SENT_SHUTDOWN;
|
|
0
|
1134 }
|
|
|
1135 }
|
|
|
1136
|
|
96
|
1137 SSL_set_shutdown(c->ssl->connection, mode);
|
|
|
1138
|
|
358
|
1139 ngx_ssl_clear_error(c->log);
|
|
|
1140
|
|
|
1141 n = SSL_shutdown(c->ssl->connection);
|
|
|
1142
|
|
|
1143 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_shutdown: %d", n);
|
|
|
1144
|
|
10
|
1145 sslerr = 0;
|
|
0
|
1146
|
|
364
|
1147 /* SSL_shutdown() never returns -1, on error it returns 0 */
|
|
|
1148
|
|
|
1149 if (n != 1 && ERR_peek_error()) {
|
|
92
|
1150 sslerr = SSL_get_error(c->ssl->connection, n);
|
|
0
|
1151
|
|
|
1152 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
|
1153 "SSL_get_error: %d", sslerr);
|
|
|
1154 }
|
|
|
1155
|
|
364
|
1156 if (n == 1 || sslerr == 0 || sslerr == SSL_ERROR_ZERO_RETURN) {
|
|
358
|
1157 SSL_free(c->ssl->connection);
|
|
|
1158 c->ssl = NULL;
|
|
|
1159
|
|
|
1160 return NGX_OK;
|
|
|
1161 }
|
|
|
1162
|
|
|
1163 if (sslerr == SSL_ERROR_WANT_READ || sslerr == SSL_ERROR_WANT_WRITE) {
|
|
126
|
1164 c->read->handler = ngx_ssl_shutdown_handler;
|
|
138
|
1165 c->write->handler = ngx_ssl_shutdown_handler;
|
|
126
|
1166
|
|
0
|
1167 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) {
|
|
|
1168 return NGX_ERROR;
|
|
|
1169 }
|
|
|
1170
|
|
|
1171 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) {
|
|
|
1172 return NGX_ERROR;
|
|
|
1173 }
|
|
|
1174
|
|
358
|
1175 if (sslerr == SSL_ERROR_WANT_READ) {
|
|
138
|
1176 ngx_add_timer(c->read, 30000);
|
|
|
1177 }
|
|
|
1178
|
|
0
|
1179 return NGX_AGAIN;
|
|
|
1180 }
|
|
|
1181
|
|
140
|
1182 err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0;
|
|
|
1183
|
|
|
1184 ngx_ssl_connection_error(c, sslerr, err, "SSL_shutdown() failed");
|
|
0
|
1185
|
|
92
|
1186 SSL_free(c->ssl->connection);
|
|
|
1187 c->ssl = NULL;
|
|
|
1188
|
|
0
|
1189 return NGX_ERROR;
|
|
|
1190 }
|
|
|
1191
|
|
|
1192
|
|
96
|
1193 static void
|
|
126
|
1194 ngx_ssl_shutdown_handler(ngx_event_t *ev)
|
|
|
1195 {
|
|
|
1196 ngx_connection_t *c;
|
|
|
1197 ngx_connection_handler_pt handler;
|
|
|
1198
|
|
|
1199 c = ev->data;
|
|
|
1200 handler = c->ssl->handler;
|
|
|
1201
|
|
|
1202 if (ev->timedout) {
|
|
|
1203 c->timedout = 1;
|
|
|
1204 }
|
|
|
1205
|
|
272
|
1206 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, "SSL shutdown handler");
|
|
126
|
1207
|
|
|
1208 if (ngx_ssl_shutdown(c) == NGX_AGAIN) {
|
|
|
1209 return;
|
|
|
1210 }
|
|
|
1211
|
|
|
1212 handler(c);
|
|
|
1213 }
|
|
|
1214
|
|
|
1215
|
|
|
1216 static void
|
|
96
|
1217 ngx_ssl_connection_error(ngx_connection_t *c, int sslerr, ngx_err_t err,
|
|
|
1218 char *text)
|
|
|
1219 {
|
|
364
|
1220 int n;
|
|
96
|
1221 ngx_uint_t level;
|
|
|
1222
|
|
|
1223 level = NGX_LOG_CRIT;
|
|
|
1224
|
|
|
1225 if (sslerr == SSL_ERROR_SYSCALL) {
|
|
|
1226
|
|
|
1227 if (err == NGX_ECONNRESET
|
|
|
1228 || err == NGX_EPIPE
|
|
|
1229 || err == NGX_ENOTCONN
|
|
138
|
1230 #if !(NGX_CRIT_ETIMEDOUT)
|
|
|
1231 || err == NGX_ETIMEDOUT
|
|
|
1232 #endif
|
|
96
|
1233 || err == NGX_ECONNREFUSED
|
|
364
|
1234 || err == NGX_ENETDOWN
|
|
|
1235 || err == NGX_ENETUNREACH
|
|
|
1236 || err == NGX_EHOSTDOWN
|
|
96
|
1237 || err == NGX_EHOSTUNREACH)
|
|
|
1238 {
|
|
|
1239 switch (c->log_error) {
|
|
|
1240
|
|
|
1241 case NGX_ERROR_IGNORE_ECONNRESET:
|
|
|
1242 case NGX_ERROR_INFO:
|
|
|
1243 level = NGX_LOG_INFO;
|
|
|
1244 break;
|
|
|
1245
|
|
|
1246 case NGX_ERROR_ERR:
|
|
|
1247 level = NGX_LOG_ERR;
|
|
|
1248 break;
|
|
|
1249
|
|
|
1250 default:
|
|
|
1251 break;
|
|
|
1252 }
|
|
|
1253 }
|
|
364
|
1254
|
|
|
1255 } else if (sslerr == SSL_ERROR_SSL) {
|
|
|
1256
|
|
|
1257 n = ERR_GET_REASON(ERR_peek_error());
|
|
|
1258
|
|
|
1259 /* handshake failures */
|
|
370
|
1260 if (n == SSL_R_DIGEST_CHECK_FAILED
|
|
|
1261 || n == SSL_R_NO_SHARED_CIPHER
|
|
364
|
1262 || n == SSL_R_UNEXPECTED_MESSAGE
|
|
|
1263 || n == SSL_R_WRONG_VERSION_NUMBER
|
|
370
|
1264 || n == SSL_R_DECRYPTION_FAILED_OR_BAD_RECORD_MAC
|
|
364
|
1265 || n == 1000 /* SSL_R_SSLV3_ALERT_CLOSE_NOTIFY */
|
|
370
|
1266 || n == SSL_R_SSLV3_ALERT_UNEXPECTED_MESSAGE
|
|
|
1267 || n == SSL_R_SSLV3_ALERT_BAD_RECORD_MAC
|
|
|
1268 || n == SSL_R_SSLV3_ALERT_DECOMPRESSION_FAILURE
|
|
|
1269 || n == SSL_R_SSLV3_ALERT_HANDSHAKE_FAILURE
|
|
|
1270 || n == SSL_R_SSLV3_ALERT_BAD_CERTIFICATE
|
|
|
1271 || n == SSL_R_SSLV3_ALERT_UNSUPPORTED_CERTIFICATE
|
|
|
1272 || n == SSL_R_SSLV3_ALERT_CERTIFICATE_REVOKED
|
|
364
|
1273 || n == SSL_R_SSLV3_ALERT_CERTIFICATE_EXPIRED
|
|
370
|
1274 || n == SSL_R_SSLV3_ALERT_CERTIFICATE_UNKNOWN
|
|
364
|
1275 || n == SSL_R_SSLV3_ALERT_ILLEGAL_PARAMETER
|
|
|
1276 || n == SSL_R_TLSV1_ALERT_UNKNOWN_CA)
|
|
|
1277 {
|
|
|
1278 switch (c->log_error) {
|
|
|
1279
|
|
|
1280 case NGX_ERROR_IGNORE_ECONNRESET:
|
|
|
1281 case NGX_ERROR_INFO:
|
|
|
1282 level = NGX_LOG_INFO;
|
|
|
1283 break;
|
|
|
1284
|
|
|
1285 case NGX_ERROR_ERR:
|
|
|
1286 level = NGX_LOG_ERR;
|
|
|
1287 break;
|
|
|
1288
|
|
|
1289 default:
|
|
|
1290 break;
|
|
|
1291 }
|
|
|
1292 }
|
|
96
|
1293 }
|
|
|
1294
|
|
|
1295 ngx_ssl_error(level, c->log, err, text);
|
|
|
1296 }
|
|
|
1297
|
|
|
1298
|
|
358
|
1299 static void
|
|
|
1300 ngx_ssl_clear_error(ngx_log_t *log)
|
|
|
1301 {
|
|
364
|
1302 while (ERR_peek_error()) {
|
|
358
|
1303 ngx_ssl_error(NGX_LOG_ALERT, log, 0, "ignoring stale global SSL error");
|
|
|
1304 }
|
|
364
|
1305
|
|
|
1306 ERR_clear_error();
|
|
358
|
1307 }
|
|
|
1308
|
|
|
1309
|
|
132
|
1310 void ngx_cdecl
|
|
38
|
1311 ngx_ssl_error(ngx_uint_t level, ngx_log_t *log, ngx_err_t err, char *fmt, ...)
|
|
126
|
1312 {
|
|
364
|
1313 u_long n;
|
|
|
1314 va_list args;
|
|
|
1315 u_char *p, *last;
|
|
|
1316 u_char errstr[NGX_MAX_CONF_ERRSTR];
|
|
10
|
1317
|
|
|
1318 last = errstr + NGX_MAX_CONF_ERRSTR;
|
|
0
|
1319
|
|
|
1320 va_start(args, fmt);
|
|
10
|
1321 p = ngx_vsnprintf(errstr, sizeof(errstr) - 1, fmt, args);
|
|
0
|
1322 va_end(args);
|
|
|
1323
|
|
96
|
1324 p = ngx_cpystrn(p, (u_char *) " (SSL:", last - p);
|
|
|
1325
|
|
364
|
1326 for ( ;; ) {
|
|
132
|
1327
|
|
|
1328 n = ERR_get_error();
|
|
|
1329
|
|
|
1330 if (n == 0) {
|
|
|
1331 break;
|
|
|
1332 }
|
|
96
|
1333
|
|
364
|
1334 if (p >= last) {
|
|
|
1335 continue;
|
|
|
1336 }
|
|
|
1337
|
|
96
|
1338 *p++ = ' ';
|
|
0
|
1339
|
|
96
|
1340 ERR_error_string_n(n, (char *) p, last - p);
|
|
|
1341
|
|
|
1342 while (p < last && *p) {
|
|
|
1343 p++;
|
|
|
1344 }
|
|
|
1345 }
|
|
0
|
1346
|
|
|
1347 ngx_log_error(level, log, err, "%s)", errstr);
|
|
|
1348 }
|
|
58
|
1349
|
|
|
1350
|
|
272
|
1351 ngx_int_t
|
|
|
1352 ngx_ssl_session_cache(ngx_ssl_t *ssl, ngx_str_t *sess_ctx,
|
|
|
1353 ssize_t builtin_session_cache, ngx_shm_zone_t *shm_zone, time_t timeout)
|
|
|
1354 {
|
|
|
1355 long cache_mode;
|
|
|
1356
|
|
358
|
1357 if (builtin_session_cache == NGX_SSL_NO_SCACHE) {
|
|
|
1358 SSL_CTX_set_session_cache_mode(ssl->ctx, SSL_SESS_CACHE_OFF);
|
|
|
1359 return NGX_OK;
|
|
|
1360 }
|
|
|
1361
|
|
378
|
1362 if (builtin_session_cache == NGX_SSL_NONE_SCACHE) {
|
|
|
1363
|
|
|
1364 /*
|
|
|
1365 * If the server explicitly says that it does not support
|
|
|
1366 * session reuse (see SSL_SESS_CACHE_OFF above), then
|
|
|
1367 * Outlook Express fails to upload a sent email to
|
|
|
1368 * the Sent Items folder on the IMAP server via a separate IMAP
|
|
|
1369 * connection in the background. Therefore we have a special
|
|
|
1370 * mode (SSL_SESS_CACHE_SERVER|SSL_SESS_CACHE_NO_INTERNAL_STORE)
|
|
|
1371 * where the server pretends that it supports session reuse,
|
|
|
1372 * but it does not actually store any session.
|
|
|
1373 */
|
|
|
1374
|
|
|
1375 SSL_CTX_set_session_cache_mode(ssl->ctx,
|
|
|
1376 SSL_SESS_CACHE_SERVER
|
|
|
1377 |SSL_SESS_CACHE_NO_AUTO_CLEAR
|
|
|
1378 |SSL_SESS_CACHE_NO_INTERNAL_STORE);
|
|
|
1379
|
|
|
1380 SSL_CTX_sess_set_cache_size(ssl->ctx, 1);
|
|
|
1381
|
|
|
1382 return NGX_OK;
|
|
|
1383 }
|
|
|
1384
|
|
272
|
1385 cache_mode = SSL_SESS_CACHE_SERVER;
|
|
|
1386
|
|
|
1387 if (shm_zone && builtin_session_cache == NGX_SSL_NO_BUILTIN_SCACHE) {
|
|
|
1388 cache_mode |= SSL_SESS_CACHE_NO_INTERNAL;
|
|
|
1389 }
|
|
|
1390
|
|
|
1391 SSL_CTX_set_session_cache_mode(ssl->ctx, cache_mode);
|
|
|
1392
|
|
|
1393 SSL_CTX_set_session_id_context(ssl->ctx, sess_ctx->data, sess_ctx->len);
|
|
|
1394
|
|
|
1395 if (builtin_session_cache != NGX_SSL_NO_BUILTIN_SCACHE) {
|
|
|
1396
|
|
|
1397 if (builtin_session_cache != NGX_SSL_DFLT_BUILTIN_SCACHE) {
|
|
|
1398 SSL_CTX_sess_set_cache_size(ssl->ctx, builtin_session_cache);
|
|
|
1399 }
|
|
|
1400 }
|
|
|
1401
|
|
274
|
1402 SSL_CTX_set_timeout(ssl->ctx, timeout);
|
|
|
1403
|
|
272
|
1404 if (shm_zone) {
|
|
|
1405 shm_zone->init = ngx_ssl_session_cache_init;
|
|
|
1406
|
|
|
1407 SSL_CTX_sess_set_new_cb(ssl->ctx, ngx_ssl_new_session);
|
|
|
1408 SSL_CTX_sess_set_get_cb(ssl->ctx, ngx_ssl_get_cached_session);
|
|
|
1409 SSL_CTX_sess_set_remove_cb(ssl->ctx, ngx_ssl_remove_session);
|
|
|
1410
|
|
|
1411 if (SSL_CTX_set_ex_data(ssl->ctx, ngx_ssl_session_cache_index, shm_zone)
|
|
|
1412 == 0)
|
|
|
1413 {
|
|
|
1414 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
|
|
|
1415 "SSL_CTX_set_ex_data() failed");
|
|
|
1416 return NGX_ERROR;
|
|
|
1417 }
|
|
|
1418 }
|
|
|
1419
|
|
|
1420 return NGX_OK;
|
|
|
1421 }
|
|
|
1422
|
|
|
1423
|
|
|
1424 static ngx_int_t
|
|
|
1425 ngx_ssl_session_cache_init(ngx_shm_zone_t *shm_zone, void *data)
|
|
|
1426 {
|
|
|
1427 ngx_slab_pool_t *shpool;
|
|
|
1428 ngx_ssl_session_cache_t *cache;
|
|
|
1429
|
|
|
1430 if (data) {
|
|
|
1431 shm_zone->data = data;
|
|
|
1432 return NGX_OK;
|
|
|
1433 }
|
|
|
1434
|
|
|
1435 shpool = (ngx_slab_pool_t *) shm_zone->shm.addr;
|
|
|
1436
|
|
|
1437 cache = ngx_slab_alloc(shpool, sizeof(ngx_ssl_session_cache_t));
|
|
|
1438 if (cache == NULL) {
|
|
|
1439 return NGX_ERROR;
|
|
|
1440 }
|
|
|
1441
|
|
358
|
1442 ngx_rbtree_init(&cache->session_rbtree, &cache->sentinel,
|
|
356
|
1443 ngx_ssl_session_rbtree_insert_value);
|
|
272
|
1444
|
|
358
|
1445 ngx_queue_init(&cache->expire_queue);
|
|
|
1446
|
|
272
|
1447 shm_zone->data = cache;
|
|
|
1448
|
|
|
1449 return NGX_OK;
|
|
|
1450 }
|
|
|
1451
|
|
|
1452
|
|
|
1453 /*
|
|
274
|
1454 * The length of the session id is 16 bytes for SSLv2 sessions and
|
|
|
1455 * between 1 and 32 bytes for SSLv3/TLSv1, typically 32 bytes.
|
|
|
1456 * It seems that the typical length of the external ASN1 representation
|
|
|
1457 * of a session is 118 or 119 bytes for SSLv3/TSLv1.
|
|
|
1458 *
|
|
|
1459 * Thus on 32-bit platforms we allocate separately an rbtree node,
|
|
|
1460 * a session id, and an ASN1 representation, they take accordingly
|
|
|
1461 * 64, 32, and 128 bytes.
|
|
|
1462 *
|
|
|
1463 * On 64-bit platforms we allocate separately an rbtree node + session_id,
|
|
|
1464 * and an ASN1 representation, they take accordingly 128 and 128 bytes.
|
|
|
1465 *
|
|
272
|
1466 * OpenSSL's i2d_SSL_SESSION() and d2i_SSL_SESSION are slow,
|
|
|
1467 * so they are outside the code locked by shared pool mutex
|
|
|
1468 */
|
|
|
1469
|
|
|
1470 static int
|
|
|
1471 ngx_ssl_new_session(ngx_ssl_conn_t *ssl_conn, ngx_ssl_session_t *sess)
|
|
|
1472 {
|
|
|
1473 int len;
|
|
274
|
1474 u_char *p, *id, *cached_sess;
|
|
272
|
1475 uint32_t hash;
|
|
|
1476 SSL_CTX *ssl_ctx;
|
|
|
1477 ngx_shm_zone_t *shm_zone;
|
|
|
1478 ngx_connection_t *c;
|
|
|
1479 ngx_slab_pool_t *shpool;
|
|
|
1480 ngx_ssl_sess_id_t *sess_id;
|
|
|
1481 ngx_ssl_session_cache_t *cache;
|
|
|
1482 u_char buf[NGX_SSL_MAX_SESSION_SIZE];
|
|
|
1483
|
|
|
1484 len = i2d_SSL_SESSION(sess, NULL);
|
|
|
1485
|
|
|
1486 /* do not cache too big session */
|
|
|
1487
|
|
|
1488 if (len > (int) NGX_SSL_MAX_SESSION_SIZE) {
|
|
|
1489 return 0;
|
|
|
1490 }
|
|
|
1491
|
|
|
1492 p = buf;
|
|
|
1493 i2d_SSL_SESSION(sess, &p);
|
|
|
1494
|
|
|
1495 c = ngx_ssl_get_connection(ssl_conn);
|
|
|
1496
|
|
|
1497 ssl_ctx = SSL_get_SSL_CTX(ssl_conn);
|
|
|
1498 shm_zone = SSL_CTX_get_ex_data(ssl_ctx, ngx_ssl_session_cache_index);
|
|
|
1499
|
|
|
1500 cache = shm_zone->data;
|
|
|
1501 shpool = (ngx_slab_pool_t *) shm_zone->shm.addr;
|
|
|
1502
|
|
|
1503 ngx_shmtx_lock(&shpool->mutex);
|
|
|
1504
|
|
|
1505 /* drop one or two expired sessions */
|
|
|
1506 ngx_ssl_expire_sessions(cache, shpool, 1);
|
|
|
1507
|
|
274
|
1508 cached_sess = ngx_slab_alloc_locked(shpool, len);
|
|
272
|
1509
|
|
|
1510 if (cached_sess == NULL) {
|
|
|
1511
|
|
|
1512 /* drop the oldest non-expired session and try once more */
|
|
|
1513
|
|
|
1514 ngx_ssl_expire_sessions(cache, shpool, 0);
|
|
|
1515
|
|
274
|
1516 cached_sess = ngx_slab_alloc_locked(shpool, len);
|
|
272
|
1517
|
|
|
1518 if (cached_sess == NULL) {
|
|
274
|
1519 sess_id = NULL;
|
|
272
|
1520 goto failed;
|
|
|
1521 }
|
|
|
1522 }
|
|
|
1523
|
|
|
1524 sess_id = ngx_slab_alloc_locked(shpool, sizeof(ngx_ssl_sess_id_t));
|
|
|
1525 if (sess_id == NULL) {
|
|
|
1526 goto failed;
|
|
|
1527 }
|
|
|
1528
|
|
274
|
1529 #if (NGX_PTR_SIZE == 8)
|
|
|
1530
|
|
|
1531 id = sess_id->sess_id;
|
|
|
1532
|
|
|
1533 #else
|
|
|
1534
|
|
|
1535 id = ngx_slab_alloc_locked(shpool, sess->session_id_length);
|
|
|
1536 if (id == NULL) {
|
|
|
1537 goto failed;
|
|
|
1538 }
|
|
|
1539
|
|
|
1540 #endif
|
|
|
1541
|
|
|
1542 ngx_memcpy(cached_sess, buf, len);
|
|
272
|
1543
|
|
|
1544 ngx_memcpy(id, sess->session_id, sess->session_id_length);
|
|
|
1545
|
|
|
1546 hash = ngx_crc32_short(sess->session_id, sess->session_id_length);
|
|
|
1547
|
|
|
1548 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
|
1549 "http ssl new session: %08XD:%d:%d",
|
|
|
1550 hash, sess->session_id_length, len);
|
|
|
1551
|
|
|
1552 sess_id->node.key = hash;
|
|
|
1553 sess_id->node.data = (u_char) sess->session_id_length;
|
|
|
1554 sess_id->id = id;
|
|
|
1555 sess_id->len = len;
|
|
|
1556 sess_id->session = cached_sess;
|
|
|
1557
|
|
358
|
1558 sess_id->expire = ngx_time() + SSL_CTX_get_timeout(ssl_ctx);
|
|
|
1559
|
|
|
1560 ngx_queue_insert_head(&cache->expire_queue, &sess_id->queue);
|
|
|
1561
|
|
|
1562 ngx_rbtree_insert(&cache->session_rbtree, &sess_id->node);
|
|
272
|
1563
|
|
|
1564 ngx_shmtx_unlock(&shpool->mutex);
|
|
|
1565
|
|
|
1566 return 0;
|
|
|
1567
|
|
|
1568 failed:
|
|
|
1569
|
|
|
1570 if (cached_sess) {
|
|
|
1571 ngx_slab_free_locked(shpool, cached_sess);
|
|
|
1572 }
|
|
|
1573
|
|
274
|
1574 if (sess_id) {
|
|
|
1575 ngx_slab_free_locked(shpool, sess_id);
|
|
272
|
1576 }
|
|
|
1577
|
|
|
1578 ngx_shmtx_unlock(&shpool->mutex);
|
|
|
1579
|
|
|
1580 ngx_log_error(NGX_LOG_ALERT, c->log, 0,
|
|
|
1581 "could not add new SSL session to the session cache");
|
|
|
1582
|
|
|
1583 return 0;
|
|
|
1584 }
|
|
|
1585
|
|
|
1586
|
|
|
1587 static ngx_ssl_session_t *
|
|
|
1588 ngx_ssl_get_cached_session(ngx_ssl_conn_t *ssl_conn, u_char *id, int len,
|
|
|
1589 int *copy)
|
|
|
1590 {
|
|
|
1591 #if OPENSSL_VERSION_NUMBER >= 0x0090707fL
|
|
|
1592 const
|
|
|
1593 #endif
|
|
|
1594 u_char *p;
|
|
|
1595 uint32_t hash;
|
|
274
|
1596 ngx_int_t rc;
|
|
272
|
1597 ngx_shm_zone_t *shm_zone;
|
|
|
1598 ngx_slab_pool_t *shpool;
|
|
|
1599 ngx_connection_t *c;
|
|
|
1600 ngx_rbtree_node_t *node, *sentinel;
|
|
|
1601 ngx_ssl_session_t *sess;
|
|
|
1602 ngx_ssl_sess_id_t *sess_id;
|
|
|
1603 ngx_ssl_session_cache_t *cache;
|
|
|
1604 u_char buf[NGX_SSL_MAX_SESSION_SIZE];
|
|
|
1605
|
|
|
1606 c = ngx_ssl_get_connection(ssl_conn);
|
|
|
1607
|
|
274
|
1608 hash = ngx_crc32_short(id, (size_t) len);
|
|
272
|
1609 *copy = 0;
|
|
|
1610
|
|
|
1611 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
|
1612 "http ssl get session: %08XD:%d", hash, len);
|
|
|
1613
|
|
|
1614 shm_zone = SSL_CTX_get_ex_data(SSL_get_SSL_CTX(ssl_conn),
|
|
|
1615 ngx_ssl_session_cache_index);
|
|
|
1616
|
|
|
1617 cache = shm_zone->data;
|
|
|
1618
|
|
|
1619 sess = NULL;
|
|
|
1620
|
|
|
1621 shpool = (ngx_slab_pool_t *) shm_zone->shm.addr;
|
|
|
1622
|
|
|
1623 ngx_shmtx_lock(&shpool->mutex);
|
|
|
1624
|
|
358
|
1625 node = cache->session_rbtree.root;
|
|
|
1626 sentinel = cache->session_rbtree.sentinel;
|
|
272
|
1627
|
|
|
1628 while (node != sentinel) {
|
|
|
1629
|
|
|
1630 if (hash < node->key) {
|
|
|
1631 node = node->left;
|
|
|
1632 continue;
|
|
|
1633 }
|
|
|
1634
|
|
|
1635 if (hash > node->key) {
|
|
|
1636 node = node->right;
|
|
|
1637 continue;
|
|
|
1638 }
|
|
|
1639
|
|
274
|
1640 /* hash == node->key */
|
|
|
1641
|
|
|
1642 do {
|
|
272
|
1643 sess_id = (ngx_ssl_sess_id_t *) node;
|
|
|
1644
|
|
274
|
1645 rc = ngx_memn2cmp(id, sess_id->id,
|
|
|
1646 (size_t) len, (size_t) node->data);
|
|
|
1647 if (rc == 0) {
|
|
272
|
1648
|
|
358
|
1649 if (sess_id->expire > ngx_time()) {
|
|
274
|
1650 ngx_memcpy(buf, sess_id->session, sess_id->len);
|
|
272
|
1651
|
|
|
1652 ngx_shmtx_unlock(&shpool->mutex);
|
|
|
1653
|
|
|
1654 p = buf;
|
|
|
1655 sess = d2i_SSL_SESSION(NULL, &p, sess_id->len);
|
|
|
1656
|
|
|
1657 return sess;
|
|
|
1658 }
|
|
|
1659
|
|
358
|
1660 ngx_queue_remove(&sess_id->queue);
|
|
|
1661
|
|
|
1662 ngx_rbtree_delete(&cache->session_rbtree, node);
|
|
272
|
1663
|
|
274
|
1664 ngx_slab_free_locked(shpool, sess_id->session);
|
|
|
1665 #if (NGX_PTR_SIZE == 4)
|
|
272
|
1666 ngx_slab_free_locked(shpool, sess_id->id);
|
|
274
|
1667 #endif
|
|
272
|
1668 ngx_slab_free_locked(shpool, sess_id);
|
|
|
1669
|
|
|
1670 sess = NULL;
|
|
|
1671
|
|
274
|
1672 goto done;
|
|
272
|
1673 }
|
|
274
|
1674
|
|
|
1675 node = (rc < 0) ? node->left : node->right;
|
|
|
1676
|
|
|
1677 } while (node != sentinel && hash == node->key);
|
|
|
1678
|
|
|
1679 break;
|
|
272
|
1680 }
|
|
|
1681
|
|
274
|
1682 done:
|
|
|
1683
|
|
272
|
1684 ngx_shmtx_unlock(&shpool->mutex);
|
|
|
1685
|
|
|
1686 return sess;
|
|
|
1687 }
|
|
|
1688
|
|
|
1689
|
|
366
|
1690 void
|
|
|
1691 ngx_ssl_remove_cached_session(SSL_CTX *ssl, ngx_ssl_session_t *sess)
|
|
|
1692 {
|
|
|
1693 SSL_CTX_remove_session(ssl, sess);
|
|
|
1694
|
|
|
1695 ngx_ssl_remove_session(ssl, sess);
|
|
|
1696 }
|
|
|
1697
|
|
|
1698
|
|
272
|
1699 static void
|
|
|
1700 ngx_ssl_remove_session(SSL_CTX *ssl, ngx_ssl_session_t *sess)
|
|
|
1701 {
|
|
274
|
1702 size_t len;
|
|
|
1703 u_char *id;
|
|
272
|
1704 uint32_t hash;
|
|
274
|
1705 ngx_int_t rc;
|
|
272
|
1706 ngx_shm_zone_t *shm_zone;
|
|
|
1707 ngx_slab_pool_t *shpool;
|
|
|
1708 ngx_rbtree_node_t *node, *sentinel;
|
|
|
1709 ngx_ssl_sess_id_t *sess_id;
|
|
|
1710 ngx_ssl_session_cache_t *cache;
|
|
|
1711
|
|
|
1712 shm_zone = SSL_CTX_get_ex_data(ssl, ngx_ssl_session_cache_index);
|
|
|
1713
|
|
366
|
1714 if (shm_zone == NULL) {
|
|
|
1715 return;
|
|
|
1716 }
|
|
|
1717
|
|
272
|
1718 cache = shm_zone->data;
|
|
|
1719
|
|
|
1720 id = sess->session_id;
|
|
274
|
1721 len = (size_t) sess->session_id_length;
|
|
|
1722
|
|
|
1723 hash = ngx_crc32_short(id, len);
|
|
272
|
1724
|
|
|
1725 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ngx_cycle->log, 0,
|
|
274
|
1726 "http ssl remove session: %08XD:%uz", hash, len);
|
|
272
|
1727
|
|
|
1728 shpool = (ngx_slab_pool_t *) shm_zone->shm.addr;
|
|
|
1729
|
|
|
1730 ngx_shmtx_lock(&shpool->mutex);
|
|
|
1731
|
|
358
|
1732 node = cache->session_rbtree.root;
|
|
|
1733 sentinel = cache->session_rbtree.sentinel;
|
|
272
|
1734
|
|
|
1735 while (node != sentinel) {
|
|
|
1736
|
|
|
1737 if (hash < node->key) {
|
|
|
1738 node = node->left;
|
|
|
1739 continue;
|
|
|
1740 }
|
|
|
1741
|
|
|
1742 if (hash > node->key) {
|
|
|
1743 node = node->right;
|
|
|
1744 continue;
|
|
|
1745 }
|
|
|
1746
|
|
274
|
1747 /* hash == node->key */
|
|
|
1748
|
|
|
1749 do {
|
|
272
|
1750 sess_id = (ngx_ssl_sess_id_t *) node;
|
|
|
1751
|
|
274
|
1752 rc = ngx_memn2cmp(id, sess_id->id, len, (size_t) node->data);
|
|
|
1753
|
|
|
1754 if (rc == 0) {
|
|
358
|
1755
|
|
|
1756 ngx_queue_remove(&sess_id->queue);
|
|
|
1757
|
|
|
1758 ngx_rbtree_delete(&cache->session_rbtree, node);
|
|
272
|
1759
|
|
274
|
1760 ngx_slab_free_locked(shpool, sess_id->session);
|
|
|
1761 #if (NGX_PTR_SIZE == 4)
|
|
272
|
1762 ngx_slab_free_locked(shpool, sess_id->id);
|
|
274
|
1763 #endif
|
|
272
|
1764 ngx_slab_free_locked(shpool, sess_id);
|
|
|
1765
|
|
274
|
1766 goto done;
|
|
272
|
1767 }
|
|
274
|
1768
|
|
|
1769 node = (rc < 0) ? node->left : node->right;
|
|
|
1770
|
|
|
1771 } while (node != sentinel && hash == node->key);
|
|
|
1772
|
|
|
1773 break;
|
|
272
|
1774 }
|
|
|
1775
|
|
274
|
1776 done:
|
|
|
1777
|
|
272
|
1778 ngx_shmtx_unlock(&shpool->mutex);
|
|
|
1779 }
|
|
|
1780
|
|
|
1781
|
|
|
1782 static void
|
|
|
1783 ngx_ssl_expire_sessions(ngx_ssl_session_cache_t *cache,
|
|
|
1784 ngx_slab_pool_t *shpool, ngx_uint_t n)
|
|
|
1785 {
|
|
358
|
1786 time_t now;
|
|
|
1787 ngx_queue_t *q;
|
|
274
|
1788 ngx_ssl_sess_id_t *sess_id;
|
|
272
|
1789
|
|
358
|
1790 now = ngx_time();
|
|
272
|
1791
|
|
|
1792 while (n < 3) {
|
|
|
1793
|
|
358
|
1794 if (ngx_queue_empty(&cache->expire_queue)) {
|
|
272
|
1795 return;
|
|
|
1796 }
|
|
|
1797
|
|
358
|
1798 q = ngx_queue_last(&cache->expire_queue);
|
|
|
1799
|
|
|
1800 sess_id = ngx_queue_data(q, ngx_ssl_sess_id_t, queue);
|
|
|
1801
|
|
|
1802 if (n++ != 0 && sess_id->expire > now) {
|
|
332
|
1803 return;
|
|
272
|
1804 }
|
|
|
1805
|
|
358
|
1806 ngx_queue_remove(q);
|
|
272
|
1807
|
|
|
1808 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, ngx_cycle->log, 0,
|
|
|
1809 "expire session: %08Xi", sess_id->node.key);
|
|
|
1810
|
|
358
|
1811 ngx_rbtree_delete(&cache->session_rbtree, &sess_id->node);
|
|
|
1812
|
|
274
|
1813 ngx_slab_free_locked(shpool, sess_id->session);
|
|
|
1814 #if (NGX_PTR_SIZE == 4)
|
|
272
|
1815 ngx_slab_free_locked(shpool, sess_id->id);
|
|
274
|
1816 #endif
|
|
272
|
1817 ngx_slab_free_locked(shpool, sess_id);
|
|
|
1818 }
|
|
|
1819 }
|
|
|
1820
|
|
|
1821
|
|
274
|
1822 static void
|
|
|
1823 ngx_ssl_session_rbtree_insert_value(ngx_rbtree_node_t *temp,
|
|
|
1824 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel)
|
|
|
1825 {
|
|
356
|
1826 ngx_rbtree_node_t **p;
|
|
|
1827 ngx_ssl_sess_id_t *sess_id, *sess_id_temp;
|
|
274
|
1828
|
|
|
1829 for ( ;; ) {
|
|
|
1830
|
|
|
1831 if (node->key < temp->key) {
|
|
|
1832
|
|
356
|
1833 p = &temp->left;
|
|
274
|
1834
|
|
|
1835 } else if (node->key > temp->key) {
|
|
|
1836
|
|
356
|
1837 p = &temp->right;
|
|
274
|
1838
|
|
|
1839 } else { /* node->key == temp->key */
|
|
|
1840
|
|
|
1841 sess_id = (ngx_ssl_sess_id_t *) node;
|
|
|
1842 sess_id_temp = (ngx_ssl_sess_id_t *) temp;
|
|
|
1843
|
|
356
|
1844 p = (ngx_memn2cmp(sess_id->id, sess_id_temp->id,
|
|
|
1845 (size_t) node->data, (size_t) temp->data)
|
|
|
1846 < 0) ? &temp->left : &temp->right;
|
|
274
|
1847 }
|
|
356
|
1848
|
|
|
1849 if (*p == sentinel) {
|
|
|
1850 break;
|
|
|
1851 }
|
|
|
1852
|
|
|
1853 temp = *p;
|
|
274
|
1854 }
|
|
|
1855
|
|
356
|
1856 *p = node;
|
|
274
|
1857 node->parent = temp;
|
|
|
1858 node->left = sentinel;
|
|
|
1859 node->right = sentinel;
|
|
|
1860 ngx_rbt_red(node);
|
|
276
|
1861 }
|
|
274
|
1862
|
|
|
1863
|
|
58
|
1864 void
|
|
|
1865 ngx_ssl_cleanup_ctx(void *data)
|
|
|
1866 {
|
|
138
|
1867 ngx_ssl_t *ssl = data;
|
|
58
|
1868
|
|
138
|
1869 SSL_CTX_free(ssl->ctx);
|
|
58
|
1870 }
|
|
90
|
1871
|
|
|
1872
|
|
220
|
1873 ngx_int_t
|
|
|
1874 ngx_ssl_get_protocol(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
|
|
160
|
1875 {
|
|
220
|
1876 s->data = (u_char *) SSL_get_version(c->ssl->connection);
|
|
|
1877 return NGX_OK;
|
|
160
|
1878 }
|
|
|
1879
|
|
|
1880
|
|
220
|
1881 ngx_int_t
|
|
|
1882 ngx_ssl_get_cipher_name(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
|
|
160
|
1883 {
|
|
220
|
1884 s->data = (u_char *) SSL_get_cipher_name(c->ssl->connection);
|
|
|
1885 return NGX_OK;
|
|
160
|
1886 }
|
|
|
1887
|
|
|
1888
|
|
196
|
1889 ngx_int_t
|
|
390
|
1890 ngx_ssl_get_raw_certificate(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
|
|
380
|
1891 {
|
|
|
1892 size_t len;
|
|
|
1893 BIO *bio;
|
|
|
1894 X509 *cert;
|
|
|
1895
|
|
|
1896 s->len = 0;
|
|
|
1897
|
|
|
1898 cert = SSL_get_peer_certificate(c->ssl->connection);
|
|
|
1899 if (cert == NULL) {
|
|
|
1900 return NGX_OK;
|
|
|
1901 }
|
|
|
1902
|
|
|
1903 bio = BIO_new(BIO_s_mem());
|
|
|
1904 if (bio == NULL) {
|
|
|
1905 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "BIO_new() failed");
|
|
|
1906 X509_free(cert);
|
|
|
1907 return NGX_ERROR;
|
|
|
1908 }
|
|
|
1909
|
|
|
1910 if (PEM_write_bio_X509(bio, cert) == 0) {
|
|
|
1911 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "PEM_write_bio_X509() failed");
|
|
|
1912 goto failed;
|
|
|
1913 }
|
|
|
1914
|
|
|
1915 len = BIO_pending(bio);
|
|
|
1916 s->len = len;
|
|
|
1917
|
|
382
|
1918 s->data = ngx_pnalloc(pool, len);
|
|
380
|
1919 if (s->data == NULL) {
|
|
|
1920 goto failed;
|
|
|
1921 }
|
|
|
1922
|
|
|
1923 BIO_read(bio, s->data, len);
|
|
|
1924
|
|
|
1925 BIO_free(bio);
|
|
|
1926 X509_free(cert);
|
|
|
1927
|
|
|
1928 return NGX_OK;
|
|
|
1929
|
|
|
1930 failed:
|
|
|
1931
|
|
|
1932 BIO_free(bio);
|
|
|
1933 X509_free(cert);
|
|
|
1934
|
|
|
1935 return NGX_ERROR;
|
|
|
1936 }
|
|
|
1937
|
|
|
1938
|
|
|
1939 ngx_int_t
|
|
390
|
1940 ngx_ssl_get_certificate(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
|
|
|
1941 {
|
|
|
1942 u_char *p;
|
|
|
1943 size_t len;
|
|
|
1944 ngx_uint_t i;
|
|
|
1945 ngx_str_t cert;
|
|
|
1946
|
|
|
1947 if (ngx_ssl_get_raw_certificate(c, pool, &cert) != NGX_OK) {
|
|
|
1948 return NGX_ERROR;
|
|
|
1949 }
|
|
|
1950
|
|
|
1951 if (cert.len == 0) {
|
|
|
1952 s->len = 0;
|
|
|
1953 return NGX_OK;
|
|
|
1954 }
|
|
|
1955
|
|
|
1956 len = cert.len - 1;
|
|
|
1957
|
|
|
1958 for (i = 0; i < cert.len - 1; i++) {
|
|
|
1959 if (cert.data[i] == LF) {
|
|
|
1960 len++;
|
|
|
1961 }
|
|
|
1962 }
|
|
|
1963
|
|
|
1964 s->len = len;
|
|
|
1965 s->data = ngx_pnalloc(pool, len);
|
|
|
1966 if (s->data == NULL) {
|
|
|
1967 return NGX_ERROR;
|
|
|
1968 }
|
|
|
1969
|
|
|
1970 p = s->data;
|
|
|
1971
|
|
|
1972 for (i = 0; i < len; i++) {
|
|
|
1973 *p++ = cert.data[i];
|
|
|
1974 if (cert.data[i] == LF) {
|
|
|
1975 *p++ = '\t';
|
|
|
1976 }
|
|
|
1977 }
|
|
|
1978
|
|
|
1979 return NGX_OK;
|
|
|
1980 }
|
|
|
1981
|
|
|
1982
|
|
|
1983 ngx_int_t
|
|
196
|
1984 ngx_ssl_get_subject_dn(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
|
|
|
1985 {
|
|
|
1986 char *p;
|
|
|
1987 size_t len;
|
|
|
1988 X509 *cert;
|
|
|
1989 X509_NAME *name;
|
|
|
1990
|
|
|
1991 s->len = 0;
|
|
|
1992
|
|
|
1993 cert = SSL_get_peer_certificate(c->ssl->connection);
|
|
|
1994 if (cert == NULL) {
|
|
|
1995 return NGX_OK;
|
|
|
1996 }
|
|
|
1997
|
|
|
1998 name = X509_get_subject_name(cert);
|
|
|
1999 if (name == NULL) {
|
|
372
|
2000 X509_free(cert);
|
|
196
|
2001 return NGX_ERROR;
|
|
|
2002 }
|
|
|
2003
|
|
|
2004 p = X509_NAME_oneline(name, NULL, 0);
|
|
|
2005
|
|
|
2006 for (len = 0; p[len]; len++) { /* void */ }
|
|
|
2007
|
|
|
2008 s->len = len;
|
|
382
|
2009 s->data = ngx_pnalloc(pool, len);
|
|
196
|
2010 if (s->data == NULL) {
|
|
|
2011 OPENSSL_free(p);
|
|
372
|
2012 X509_free(cert);
|
|
196
|
2013 return NGX_ERROR;
|
|
|
2014 }
|
|
|
2015
|
|
|
2016 ngx_memcpy(s->data, p, len);
|
|
|
2017
|
|
|
2018 OPENSSL_free(p);
|
|
372
|
2019 X509_free(cert);
|
|
196
|
2020
|
|
|
2021 return NGX_OK;
|
|
|
2022 }
|
|
|
2023
|
|
|
2024
|
|
|
2025 ngx_int_t
|
|
|
2026 ngx_ssl_get_issuer_dn(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
|
|
|
2027 {
|
|
|
2028 char *p;
|
|
|
2029 size_t len;
|
|
|
2030 X509 *cert;
|
|
|
2031 X509_NAME *name;
|
|
|
2032
|
|
|
2033 s->len = 0;
|
|
|
2034
|
|
|
2035 cert = SSL_get_peer_certificate(c->ssl->connection);
|
|
|
2036 if (cert == NULL) {
|
|
|
2037 return NGX_OK;
|
|
|
2038 }
|
|
|
2039
|
|
|
2040 name = X509_get_issuer_name(cert);
|
|
|
2041 if (name == NULL) {
|
|
372
|
2042 X509_free(cert);
|
|
196
|
2043 return NGX_ERROR;
|
|
|
2044 }
|
|
|
2045
|
|
|
2046 p = X509_NAME_oneline(name, NULL, 0);
|
|
|
2047
|
|
|
2048 for (len = 0; p[len]; len++) { /* void */ }
|
|
|
2049
|
|
|
2050 s->len = len;
|
|
382
|
2051 s->data = ngx_pnalloc(pool, len);
|
|
196
|
2052 if (s->data == NULL) {
|
|
|
2053 OPENSSL_free(p);
|
|
372
|
2054 X509_free(cert);
|
|
196
|
2055 return NGX_ERROR;
|
|
|
2056 }
|
|
|
2057
|
|
|
2058 ngx_memcpy(s->data, p, len);
|
|
|
2059
|
|
|
2060 OPENSSL_free(p);
|
|
372
|
2061 X509_free(cert);
|
|
196
|
2062
|
|
|
2063 return NGX_OK;
|
|
|
2064 }
|
|
|
2065
|
|
|
2066
|
|
220
|
2067 ngx_int_t
|
|
|
2068 ngx_ssl_get_serial_number(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
|
|
|
2069 {
|
|
|
2070 size_t len;
|
|
|
2071 X509 *cert;
|
|
|
2072 BIO *bio;
|
|
|
2073
|
|
|
2074 s->len = 0;
|
|
|
2075
|
|
|
2076 cert = SSL_get_peer_certificate(c->ssl->connection);
|
|
|
2077 if (cert == NULL) {
|
|
|
2078 return NGX_OK;
|
|
|
2079 }
|
|
|
2080
|
|
|
2081 bio = BIO_new(BIO_s_mem());
|
|
|
2082 if (bio == NULL) {
|
|
372
|
2083 X509_free(cert);
|
|
220
|
2084 return NGX_ERROR;
|
|
|
2085 }
|
|
|
2086
|
|
|
2087 i2a_ASN1_INTEGER(bio, X509_get_serialNumber(cert));
|
|
|
2088 len = BIO_pending(bio);
|
|
|
2089
|
|
|
2090 s->len = len;
|
|
382
|
2091 s->data = ngx_pnalloc(pool, len);
|
|
220
|
2092 if (s->data == NULL) {
|
|
|
2093 BIO_free(bio);
|
|
372
|
2094 X509_free(cert);
|
|
220
|
2095 return NGX_ERROR;
|
|
|
2096 }
|
|
|
2097
|
|
|
2098 BIO_read(bio, s->data, len);
|
|
|
2099 BIO_free(bio);
|
|
372
|
2100 X509_free(cert);
|
|
220
|
2101
|
|
|
2102 return NGX_OK;
|
|
|
2103 }
|
|
|
2104
|
|
|
2105
|
|
90
|
2106 static void *
|
|
|
2107 ngx_openssl_create_conf(ngx_cycle_t *cycle)
|
|
|
2108 {
|
|
|
2109 ngx_openssl_conf_t *oscf;
|
|
126
|
2110
|
|
90
|
2111 oscf = ngx_pcalloc(cycle->pool, sizeof(ngx_openssl_conf_t));
|
|
|
2112 if (oscf == NULL) {
|
|
|
2113 return NGX_CONF_ERROR;
|
|
|
2114 }
|
|
126
|
2115
|
|
90
|
2116 /*
|
|
|
2117 * set by ngx_pcalloc():
|
|
126
|
2118 *
|
|
90
|
2119 * oscf->engine.len = 0;
|
|
|
2120 * oscf->engine.data = NULL;
|
|
126
|
2121 */
|
|
90
|
2122
|
|
|
2123 return oscf;
|
|
|
2124 }
|
|
|
2125
|
|
|
2126
|
|
|
2127 static char *
|
|
|
2128 ngx_openssl_init_conf(ngx_cycle_t *cycle, void *conf)
|
|
|
2129 {
|
|
|
2130 #if (NGX_SSL_ENGINE)
|
|
|
2131 ngx_openssl_conf_t *oscf = conf;
|
|
120
|
2132
|
|
90
|
2133 ENGINE *engine;
|
|
|
2134
|
|
|
2135 if (oscf->engine.len == 0) {
|
|
|
2136 return NGX_CONF_OK;
|
|
|
2137 }
|
|
126
|
2138
|
|
90
|
2139 engine = ENGINE_by_id((const char *) oscf->engine.data);
|
|
|
2140
|
|
|
2141 if (engine == NULL) {
|
|
|
2142 ngx_ssl_error(NGX_LOG_WARN, cycle->log, 0,
|
|
|
2143 "ENGINE_by_id(\"%V\") failed", &oscf->engine);
|
|
|
2144 return NGX_CONF_ERROR;
|
|
|
2145 }
|
|
|
2146
|
|
|
2147 if (ENGINE_set_default(engine, ENGINE_METHOD_ALL) == 0) {
|
|
|
2148 ngx_ssl_error(NGX_LOG_WARN, cycle->log, 0,
|
|
|
2149 "ENGINE_set_default(\"%V\", ENGINE_METHOD_ALL) failed",
|
|
|
2150 &oscf->engine);
|
|
|
2151 return NGX_CONF_ERROR;
|
|
|
2152 }
|
|
|
2153
|
|
|
2154 ENGINE_free(engine);
|
|
|
2155
|
|
|
2156 #endif
|
|
|
2157
|
|
|
2158 return NGX_CONF_OK;
|
|
|
2159 }
|
|
|
2160
|
|
|
2161
|
|
|
2162 #if !(NGX_SSL_ENGINE)
|
|
|
2163
|
|
|
2164 static char *
|
|
|
2165 ngx_openssl_noengine(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
2166 {
|
|
|
2167 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
112
|
2168 "\"ssl_engine\" directive is available only in "
|
|
|
2169 "OpenSSL 0.9.7 and higher,");
|
|
90
|
2170
|
|
|
2171 return NGX_CONF_ERROR;
|
|
|
2172 }
|
|
|
2173
|
|
|
2174 #endif
|
|
120
|
2175
|
|
|
2176
|
|
|
2177 static void
|
|
|
2178 ngx_openssl_exit(ngx_cycle_t *cycle)
|
|
|
2179 {
|
|
|
2180 #if (NGX_SSL_ENGINE)
|
|
|
2181 ENGINE_cleanup();
|
|
|
2182 #endif
|
|
|
2183 }
|
