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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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272
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25
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26 static ngx_int_t ngx_ssl_session_cache_init(ngx_shm_zone_t *shm_zone,
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27 void *data);
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28 static int ngx_ssl_new_session(ngx_ssl_conn_t *ssl_conn,
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29 ngx_ssl_session_t *sess);
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30 static ngx_ssl_session_t *ngx_ssl_get_cached_session(ngx_ssl_conn_t *ssl_conn,
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31 u_char *id, int len, int *copy);
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32 static void ngx_ssl_remove_session(SSL_CTX *ssl, ngx_ssl_session_t *sess);
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33 static void ngx_ssl_expire_sessions(ngx_ssl_session_cache_t *cache,
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34 ngx_slab_pool_t *shpool, ngx_uint_t n);
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35
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90
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36 static void *ngx_openssl_create_conf(ngx_cycle_t *cycle);
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37 static char *ngx_openssl_init_conf(ngx_cycle_t *cycle, void *conf);
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120
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38 static void ngx_openssl_exit(ngx_cycle_t *cycle);
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90
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39
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40 #if !(NGX_SSL_ENGINE)
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41 static char *ngx_openssl_noengine(ngx_conf_t *cf, ngx_command_t *cmd,
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42 void *conf);
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43 #endif
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44
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45
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46 static ngx_command_t ngx_openssl_commands[] = {
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47
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48 { ngx_string("ssl_engine"),
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49 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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50 #if (NGX_SSL_ENGINE)
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51 ngx_conf_set_str_slot,
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52 #else
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53 ngx_openssl_noengine,
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54 #endif
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55 0,
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56 offsetof(ngx_openssl_conf_t, engine),
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57 NULL },
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58
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59 ngx_null_command
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60 };
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61
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62
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63 static ngx_core_module_t ngx_openssl_module_ctx = {
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64 ngx_string("openssl"),
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65 ngx_openssl_create_conf,
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66 ngx_openssl_init_conf
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126
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67 };
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90
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68
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69
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70 ngx_module_t ngx_openssl_module = {
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71 NGX_MODULE_V1,
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72 &ngx_openssl_module_ctx, /* module context */
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73 ngx_openssl_commands, /* module directives */
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74 NGX_CORE_MODULE, /* module type */
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75 NULL, /* init master */
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76 NULL, /* init module */
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77 NULL, /* init process */
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78 NULL, /* init thread */
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79 NULL, /* exit thread */
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80 NULL, /* exit process */
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120
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81 ngx_openssl_exit, /* exit master */
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90
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82 NGX_MODULE_V1_PADDING
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96
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83 };
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84
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85
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86 static long ngx_ssl_protocols[] = {
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87 SSL_OP_NO_SSLv2|SSL_OP_NO_SSLv3|SSL_OP_NO_TLSv1,
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88 SSL_OP_NO_SSLv3|SSL_OP_NO_TLSv1,
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89 SSL_OP_NO_SSLv2|SSL_OP_NO_TLSv1,
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90 SSL_OP_NO_TLSv1,
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91 SSL_OP_NO_SSLv2|SSL_OP_NO_SSLv3,
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92 SSL_OP_NO_SSLv3,
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93 SSL_OP_NO_SSLv2,
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94 0,
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95 };
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0
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96
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97
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272
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98 int ngx_ssl_connection_index;
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99 int ngx_ssl_server_conf_index;
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100 int ngx_ssl_session_cache_index;
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220
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101
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102
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38
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103 ngx_int_t
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104 ngx_ssl_init(ngx_log_t *log)
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0
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105 {
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272
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106 #if OPENSSL_VERSION_NUMBER >= 0x00907000
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107 OPENSSL_config(NULL);
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108 #endif
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109
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0
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110 SSL_library_init();
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111 SSL_load_error_strings();
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90
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112
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113 #if (NGX_SSL_ENGINE)
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28
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114 ENGINE_load_builtin_engines();
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90
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115 #endif
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0
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116
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272
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117 ngx_ssl_connection_index = SSL_get_ex_new_index(0, NULL, NULL, NULL, NULL);
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118
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119 if (ngx_ssl_connection_index == -1) {
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120 ngx_ssl_error(NGX_LOG_ALERT, log, 0, "SSL_get_ex_new_index() failed");
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121 return NGX_ERROR;
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122 }
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220
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123
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272
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124 ngx_ssl_server_conf_index = SSL_CTX_get_ex_new_index(0, NULL, NULL, NULL,
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125 NULL);
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126 if (ngx_ssl_server_conf_index == -1) {
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127 ngx_ssl_error(NGX_LOG_ALERT, log, 0,
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128 "SSL_CTX_get_ex_new_index() failed");
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129 return NGX_ERROR;
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130 }
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131
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132 ngx_ssl_session_cache_index = SSL_CTX_get_ex_new_index(0, NULL, NULL, NULL,
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133 NULL);
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134 if (ngx_ssl_session_cache_index == -1) {
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135 ngx_ssl_error(NGX_LOG_ALERT, log, 0,
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136 "SSL_CTX_get_ex_new_index() failed");
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220
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137 return NGX_ERROR;
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138 }
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139
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0
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140 return NGX_OK;
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141 }
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142
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143
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38
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144 ngx_int_t
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272
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145 ngx_ssl_create(ngx_ssl_t *ssl, ngx_uint_t protocols, void *data)
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96
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146 {
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126
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147 ssl->ctx = SSL_CTX_new(SSLv23_method());
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96
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148
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149 if (ssl->ctx == NULL) {
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150 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0, "SSL_CTX_new() failed");
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151 return NGX_ERROR;
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152 }
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153
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272
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154 if (SSL_CTX_set_ex_data(ssl->ctx, ngx_ssl_server_conf_index, data) == 0) {
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155 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
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156 "SSL_CTX_set_ex_data() failed");
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157 return NGX_ERROR;
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158 }
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159
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126
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160 /* client side options */
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161
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162 SSL_CTX_set_options(ssl->ctx, SSL_OP_MICROSOFT_SESS_ID_BUG);
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163 SSL_CTX_set_options(ssl->ctx, SSL_OP_NETSCAPE_CHALLENGE_BUG);
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164 SSL_CTX_set_options(ssl->ctx, SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG);
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165
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166 /* server side options */
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112
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167
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168 SSL_CTX_set_options(ssl->ctx, SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG);
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169 SSL_CTX_set_options(ssl->ctx, SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER);
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170
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171 /* this option allow a potential SSL 2.0 rollback (CAN-2005-2969) */
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172 SSL_CTX_set_options(ssl->ctx, SSL_OP_MSIE_SSLV2_RSA_PADDING);
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173
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174 SSL_CTX_set_options(ssl->ctx, SSL_OP_SSLEAY_080_CLIENT_DH_BUG);
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175 SSL_CTX_set_options(ssl->ctx, SSL_OP_TLS_D5_BUG);
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176 SSL_CTX_set_options(ssl->ctx, SSL_OP_TLS_BLOCK_PADDING_BUG);
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177
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178 #ifdef SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS
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179 SSL_CTX_set_options(ssl->ctx, SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS);
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180 #endif
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181
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96
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182
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183 if (ngx_ssl_protocols[protocols >> 1] != 0) {
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184 SSL_CTX_set_options(ssl->ctx, ngx_ssl_protocols[protocols >> 1]);
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185 }
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186
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187 SSL_CTX_set_mode(ssl->ctx, SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER);
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188
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189 SSL_CTX_set_read_ahead(ssl->ctx, 1);
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190
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191 return NGX_OK;
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192 }
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193
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194
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195 ngx_int_t
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112
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196 ngx_ssl_certificate(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_str_t *cert,
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197 ngx_str_t *key)
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96
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198 {
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112
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199 if (ngx_conf_full_name(cf->cycle, cert) == NGX_ERROR) {
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96
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200 return NGX_ERROR;
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201 }
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202
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112
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203 if (SSL_CTX_use_certificate_chain_file(ssl->ctx, (char *) cert->data)
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96
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204 == 0)
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205 {
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206 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
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112
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207 "SSL_CTX_use_certificate_chain_file(\"%s\") failed",
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208 cert->data);
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209 return NGX_ERROR;
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210 }
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211
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212 if (ngx_conf_full_name(cf->cycle, key) == NGX_ERROR) {
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213 return NGX_ERROR;
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214 }
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215
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216 if (SSL_CTX_use_PrivateKey_file(ssl->ctx, (char *) key->data,
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196
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217 SSL_FILETYPE_PEM)
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218 == 0)
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112
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219 {
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220 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
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221 "SSL_CTX_use_PrivateKey_file(\"%s\") failed", key->data);
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96
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222 return NGX_ERROR;
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223 }
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224
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225 return NGX_OK;
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226 }
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227
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228
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229 ngx_int_t
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220
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230 ngx_ssl_client_certificate(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_str_t *cert,
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231 ngx_int_t depth)
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196
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232 {
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220
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233 STACK_OF(X509_NAME) *list;
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234
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235 SSL_CTX_set_verify(ssl->ctx, SSL_VERIFY_PEER, ngx_http_ssl_verify_callback);
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236
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237 SSL_CTX_set_verify_depth(ssl->ctx, depth);
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238
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239 if (cert->len == 0) {
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240 return NGX_OK;
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241 }
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242
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196
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243 if (ngx_conf_full_name(cf->cycle, cert) == NGX_ERROR) {
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244 return NGX_ERROR;
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245 }
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246
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247 if (SSL_CTX_load_verify_locations(ssl->ctx, (char *) cert->data, NULL)
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248 == 0)
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249 {
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250 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
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251 "SSL_CTX_load_verify_locations(\"%s\") failed",
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252 cert->data);
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253 return NGX_ERROR;
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254 }
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255
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220
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256 list = SSL_load_client_CA_file((char *) cert->data);
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257
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258 if (list == NULL) {
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259 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
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260 "SSL_load_client_CA_file(\"%s\") failed", cert->data);
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261 return NGX_ERROR;
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262 }
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263
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264 /*
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265 * before 0.9.7h and 0.9.8 SSL_load_client_CA_file()
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266 * always leaved an error in the error queue
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267 */
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268
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269 ERR_clear_error();
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270
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271 SSL_CTX_set_client_CA_list(ssl->ctx, list);
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272
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196
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273 return NGX_OK;
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274 }
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275
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276
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220
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277 static int
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278 ngx_http_ssl_verify_callback(int ok, X509_STORE_CTX *x509_store)
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279 {
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280 char *subject, *issuer;
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281 int err, depth;
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282 X509 *cert;
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283 X509_NAME *name;
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284 ngx_connection_t *c;
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285 ngx_ssl_conn_t *ssl_conn;
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286
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287 ssl_conn = X509_STORE_CTX_get_ex_data(x509_store,
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288 SSL_get_ex_data_X509_STORE_CTX_idx());
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289
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290 c = ngx_ssl_get_connection(ssl_conn);
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291
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292 cert = X509_STORE_CTX_get_current_cert(x509_store);
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293 err = X509_STORE_CTX_get_error(x509_store);
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294 depth = X509_STORE_CTX_get_error_depth(x509_store);
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295
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296 name = X509_get_subject_name(cert);
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297 subject = name ? X509_NAME_oneline(name, NULL, 0) : "(none)";
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298
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299 name = X509_get_issuer_name(cert);
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300 issuer = name ? X509_NAME_oneline(name, NULL, 0) : "(none)";
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301
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272
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302 ngx_log_debug5(NGX_LOG_DEBUG_EVENT, c->log, 0,
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220
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303 "verify:%d, error:%d, depth:%d, "
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304 "subject:\"%s\",issuer: \"%s\"",
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305 ok, err, depth, subject, issuer);
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306
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307 return 1;
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308 }
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309
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310
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196
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311 ngx_int_t
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96
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312 ngx_ssl_generate_rsa512_key(ngx_ssl_t *ssl)
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313 {
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220
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314 RSA *key;
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315
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108
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316 if (SSL_CTX_need_tmp_RSA(ssl->ctx) == 0) {
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317 return NGX_OK;
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318 }
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319
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220
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320 key = RSA_generate_key(512, RSA_F4, NULL, NULL);
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96
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321
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220
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322 if (key) {
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323 SSL_CTX_set_tmp_rsa(ssl->ctx, key);
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324
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325 RSA_free(key);
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326
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96
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327 return NGX_OK;
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328 }
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329
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330 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0, "RSA_generate_key(512) failed");
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331
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332 return NGX_ERROR;
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333 }
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334
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335
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336 ngx_int_t
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337 ngx_ssl_create_connection(ngx_ssl_t *ssl, ngx_connection_t *c, ngx_uint_t flags)
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126
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338 {
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96
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339 ngx_ssl_connection_t *sc;
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0
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340
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96
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341 sc = ngx_pcalloc(c->pool, sizeof(ngx_ssl_connection_t));
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342 if (sc == NULL) {
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0
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343 return NGX_ERROR;
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344 }
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345
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92
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346 if (flags & NGX_SSL_BUFFER) {
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96
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347 sc->buffer = 1;
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92
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348
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96
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349 sc->buf = ngx_create_temp_buf(c->pool, NGX_SSL_BUFSIZE);
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350 if (sc->buf == NULL) {
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92
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351 return NGX_ERROR;
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352 }
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0
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353 }
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354
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96
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355 sc->connection = SSL_new(ssl->ctx);
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0
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356
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96
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357 if (sc->connection == NULL) {
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0
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358 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "SSL_new() failed");
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359 return NGX_ERROR;
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360 }
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361
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96
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362 if (SSL_set_fd(sc->connection, c->fd) == 0) {
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0
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363 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "SSL_set_fd() failed");
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364 return NGX_ERROR;
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365 }
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366
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126
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367 if (flags & NGX_SSL_CLIENT) {
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368 SSL_set_connect_state(sc->connection);
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369
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370 } else {
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371 SSL_set_accept_state(sc->connection);
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372 }
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0
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373
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272
|
374 if (SSL_set_ex_data(sc->connection, ngx_ssl_connection_index, c) == 0) {
|
|
220
|
375 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "SSL_set_ex_data() failed");
|
|
|
376 return NGX_ERROR;
|
|
|
377 }
|
|
|
378
|
|
96
|
379 c->ssl = sc;
|
|
0
|
380
|
|
|
381 return NGX_OK;
|
|
|
382 }
|
|
|
383
|
|
|
384
|
|
96
|
385 ngx_int_t
|
|
126
|
386 ngx_ssl_set_session(ngx_connection_t *c, ngx_ssl_session_t *session)
|
|
|
387 {
|
|
|
388 if (session) {
|
|
|
389 if (SSL_set_session(c->ssl->connection, session) == 0) {
|
|
|
390 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "SSL_set_session() failed");
|
|
|
391 return NGX_ERROR;
|
|
|
392 }
|
|
|
393 }
|
|
|
394
|
|
|
395 return NGX_OK;
|
|
|
396 }
|
|
|
397
|
|
|
398
|
|
|
399 ngx_int_t
|
|
96
|
400 ngx_ssl_handshake(ngx_connection_t *c)
|
|
|
401 {
|
|
|
402 int n, sslerr;
|
|
|
403 ngx_err_t err;
|
|
|
404
|
|
|
405 n = SSL_do_handshake(c->ssl->connection);
|
|
|
406
|
|
126
|
407 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_do_handshake: %d", n);
|
|
96
|
408
|
|
|
409 if (n == 1) {
|
|
|
410
|
|
|
411 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) {
|
|
|
412 return NGX_ERROR;
|
|
|
413 }
|
|
|
414
|
|
|
415 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) {
|
|
|
416 return NGX_ERROR;
|
|
|
417 }
|
|
|
418
|
|
|
419 #if (NGX_DEBUG)
|
|
|
420 {
|
|
|
421 char buf[129], *s, *d;
|
|
|
422 SSL_CIPHER *cipher;
|
|
|
423
|
|
|
424 cipher = SSL_get_current_cipher(c->ssl->connection);
|
|
|
425
|
|
|
426 if (cipher) {
|
|
|
427 SSL_CIPHER_description(cipher, &buf[1], 128);
|
|
|
428
|
|
|
429 for (s = &buf[1], d = buf; *s; s++) {
|
|
|
430 if (*s == ' ' && *d == ' ') {
|
|
|
431 continue;
|
|
|
432 }
|
|
|
433
|
|
|
434 if (*s == LF || *s == CR) {
|
|
|
435 continue;
|
|
|
436 }
|
|
|
437
|
|
|
438 *++d = *s;
|
|
|
439 }
|
|
|
440
|
|
|
441 if (*d != ' ') {
|
|
|
442 d++;
|
|
|
443 }
|
|
|
444
|
|
|
445 *d = '\0';
|
|
|
446
|
|
132
|
447 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
96
|
448 "SSL: %s, cipher: \"%s\"",
|
|
126
|
449 SSL_get_version(c->ssl->connection), &buf[1]);
|
|
96
|
450
|
|
|
451 if (SSL_session_reused(c->ssl->connection)) {
|
|
132
|
452 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
96
|
453 "SSL reused session");
|
|
|
454 }
|
|
|
455
|
|
|
456 } else {
|
|
|
457 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
126
|
458 "SSL no shared ciphers");
|
|
96
|
459 }
|
|
|
460 }
|
|
|
461 #endif
|
|
|
462
|
|
|
463 c->ssl->handshaked = 1;
|
|
|
464
|
|
|
465 c->recv = ngx_ssl_recv;
|
|
|
466 c->send = ngx_ssl_write;
|
|
126
|
467 c->recv_chain = ngx_ssl_recv_chain;
|
|
|
468 c->send_chain = ngx_ssl_send_chain;
|
|
96
|
469
|
|
|
470 return NGX_OK;
|
|
|
471 }
|
|
|
472
|
|
|
473 sslerr = SSL_get_error(c->ssl->connection, n);
|
|
|
474
|
|
|
475 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", sslerr);
|
|
|
476
|
|
|
477 if (sslerr == SSL_ERROR_WANT_READ) {
|
|
|
478 c->read->ready = 0;
|
|
|
479 c->read->handler = ngx_ssl_handshake_handler;
|
|
140
|
480 c->write->handler = ngx_ssl_handshake_handler;
|
|
96
|
481
|
|
|
482 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) {
|
|
|
483 return NGX_ERROR;
|
|
|
484 }
|
|
|
485
|
|
|
486 return NGX_AGAIN;
|
|
|
487 }
|
|
|
488
|
|
|
489 if (sslerr == SSL_ERROR_WANT_WRITE) {
|
|
|
490 c->write->ready = 0;
|
|
140
|
491 c->read->handler = ngx_ssl_handshake_handler;
|
|
96
|
492 c->write->handler = ngx_ssl_handshake_handler;
|
|
|
493
|
|
|
494 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) {
|
|
|
495 return NGX_ERROR;
|
|
|
496 }
|
|
|
497
|
|
|
498 return NGX_AGAIN;
|
|
|
499 }
|
|
|
500
|
|
|
501 err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0;
|
|
|
502
|
|
|
503 c->ssl->no_wait_shutdown = 1;
|
|
|
504 c->ssl->no_send_shutdown = 1;
|
|
140
|
505 c->read->eof = 1;
|
|
96
|
506
|
|
|
507 if (sslerr == SSL_ERROR_ZERO_RETURN || ERR_peek_error() == 0) {
|
|
|
508 ngx_log_error(NGX_LOG_INFO, c->log, err,
|
|
126
|
509 "peer closed connection in SSL handshake");
|
|
96
|
510
|
|
|
511 return NGX_ERROR;
|
|
|
512 }
|
|
|
513
|
|
140
|
514 c->read->error = 1;
|
|
|
515
|
|
96
|
516 ngx_ssl_connection_error(c, sslerr, err, "SSL_do_handshake() failed");
|
|
|
517
|
|
|
518 return NGX_ERROR;
|
|
|
519 }
|
|
|
520
|
|
|
521
|
|
|
522 static void
|
|
|
523 ngx_ssl_handshake_handler(ngx_event_t *ev)
|
|
|
524 {
|
|
|
525 ngx_connection_t *c;
|
|
|
526
|
|
|
527 c = ev->data;
|
|
|
528
|
|
98
|
529 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
126
|
530 "SSL handshake handler: %d", ev->write);
|
|
96
|
531
|
|
140
|
532 if (ev->timedout) {
|
|
|
533 c->ssl->handler(c);
|
|
|
534 return;
|
|
|
535 }
|
|
|
536
|
|
96
|
537 if (ngx_ssl_handshake(c) == NGX_AGAIN) {
|
|
|
538 return;
|
|
|
539 }
|
|
|
540
|
|
|
541 c->ssl->handler(c);
|
|
|
542 }
|
|
|
543
|
|
|
544
|
|
38
|
545 ssize_t
|
|
126
|
546 ngx_ssl_recv_chain(ngx_connection_t *c, ngx_chain_t *cl)
|
|
|
547 {
|
|
|
548 ssize_t n, bytes;
|
|
|
549 ngx_buf_t *b;
|
|
|
550
|
|
|
551 bytes = 0;
|
|
|
552
|
|
|
553 while (cl) {
|
|
|
554 b = cl->buf;
|
|
|
555
|
|
|
556 n = ngx_ssl_recv(c, b->last, b->end - b->last);
|
|
|
557
|
|
|
558 if (n > 0) {
|
|
|
559 b->last += n;
|
|
|
560 bytes += n;
|
|
|
561
|
|
|
562 if (b->last == b->end) {
|
|
|
563 cl = cl->next;
|
|
|
564 }
|
|
|
565
|
|
|
566 continue;
|
|
|
567 }
|
|
|
568
|
|
|
569 if (bytes) {
|
|
|
570 return bytes;
|
|
|
571 }
|
|
|
572
|
|
|
573 return n;
|
|
|
574 }
|
|
|
575
|
|
|
576 return bytes;
|
|
|
577 }
|
|
|
578
|
|
|
579
|
|
|
580 ssize_t
|
|
38
|
581 ngx_ssl_recv(ngx_connection_t *c, u_char *buf, size_t size)
|
|
0
|
582 {
|
|
38
|
583 int n, bytes;
|
|
|
584
|
|
|
585 if (c->ssl->last == NGX_ERROR) {
|
|
|
586 return NGX_ERROR;
|
|
|
587 }
|
|
|
588
|
|
126
|
589 if (c->ssl->last == NGX_DONE) {
|
|
|
590 return 0;
|
|
|
591 }
|
|
|
592
|
|
38
|
593 bytes = 0;
|
|
0
|
594
|
|
38
|
595 /*
|
|
|
596 * SSL_read() may return data in parts, so try to read
|
|
|
597 * until SSL_read() would return no data
|
|
|
598 */
|
|
|
599
|
|
|
600 for ( ;; ) {
|
|
0
|
601
|
|
92
|
602 n = SSL_read(c->ssl->connection, buf, size);
|
|
38
|
603
|
|
126
|
604 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_read: %d", n);
|
|
0
|
605
|
|
38
|
606 if (n > 0) {
|
|
|
607 bytes += n;
|
|
|
608 }
|
|
|
609
|
|
|
610 c->ssl->last = ngx_ssl_handle_recv(c, n);
|
|
|
611
|
|
|
612 if (c->ssl->last != NGX_OK) {
|
|
28
|
613
|
|
38
|
614 if (bytes) {
|
|
|
615 return bytes;
|
|
126
|
616 }
|
|
38
|
617
|
|
126
|
618 if (c->ssl->last == NGX_DONE) {
|
|
|
619 return 0;
|
|
28
|
620 }
|
|
126
|
621
|
|
|
622 return c->ssl->last;
|
|
28
|
623 }
|
|
|
624
|
|
38
|
625 size -= n;
|
|
|
626
|
|
|
627 if (size == 0) {
|
|
|
628 return bytes;
|
|
|
629 }
|
|
|
630
|
|
|
631 buf += n;
|
|
|
632 }
|
|
|
633 }
|
|
|
634
|
|
|
635
|
|
|
636 static ngx_int_t
|
|
|
637 ngx_ssl_handle_recv(ngx_connection_t *c, int n)
|
|
|
638 {
|
|
96
|
639 int sslerr;
|
|
|
640 ngx_err_t err;
|
|
38
|
641
|
|
|
642 if (n > 0) {
|
|
28
|
643
|
|
22
|
644 if (c->ssl->saved_write_handler) {
|
|
|
645
|
|
58
|
646 c->write->handler = c->ssl->saved_write_handler;
|
|
22
|
647 c->ssl->saved_write_handler = NULL;
|
|
|
648 c->write->ready = 1;
|
|
|
649
|
|
|
650 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) {
|
|
|
651 return NGX_ERROR;
|
|
|
652 }
|
|
|
653
|
|
112
|
654 ngx_post_event(c->write, &ngx_posted_events);
|
|
22
|
655 }
|
|
|
656
|
|
38
|
657 return NGX_OK;
|
|
0
|
658 }
|
|
|
659
|
|
92
|
660 sslerr = SSL_get_error(c->ssl->connection, n);
|
|
0
|
661
|
|
|
662 err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0;
|
|
|
663
|
|
|
664 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", sslerr);
|
|
|
665
|
|
|
666 if (sslerr == SSL_ERROR_WANT_READ) {
|
|
4
|
667 c->read->ready = 0;
|
|
0
|
668 return NGX_AGAIN;
|
|
|
669 }
|
|
|
670
|
|
|
671 if (sslerr == SSL_ERROR_WANT_WRITE) {
|
|
88
|
672
|
|
96
|
673 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
126
|
674 "peer started SSL renegotiation");
|
|
22
|
675
|
|
|
676 c->write->ready = 0;
|
|
|
677
|
|
|
678 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) {
|
|
|
679 return NGX_ERROR;
|
|
|
680 }
|
|
|
681
|
|
|
682 /*
|
|
|
683 * we do not set the timer because there is already the read event timer
|
|
|
684 */
|
|
|
685
|
|
|
686 if (c->ssl->saved_write_handler == NULL) {
|
|
58
|
687 c->ssl->saved_write_handler = c->write->handler;
|
|
|
688 c->write->handler = ngx_ssl_write_handler;
|
|
22
|
689 }
|
|
|
690
|
|
0
|
691 return NGX_AGAIN;
|
|
|
692 }
|
|
|
693
|
|
96
|
694 c->ssl->no_wait_shutdown = 1;
|
|
|
695 c->ssl->no_send_shutdown = 1;
|
|
138
|
696 c->read->eof = 1;
|
|
0
|
697
|
|
|
698 if (sslerr == SSL_ERROR_ZERO_RETURN || ERR_peek_error() == 0) {
|
|
126
|
699 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
|
700 "peer shutdown SSL cleanly");
|
|
|
701 return NGX_DONE;
|
|
0
|
702 }
|
|
|
703
|
|
140
|
704 c->read->error = 1;
|
|
96
|
705 ngx_ssl_connection_error(c, sslerr, err, "SSL_read() failed");
|
|
0
|
706
|
|
|
707 return NGX_ERROR;
|
|
|
708 }
|
|
|
709
|
|
|
710
|
|
38
|
711 static void
|
|
|
712 ngx_ssl_write_handler(ngx_event_t *wev)
|
|
22
|
713 {
|
|
|
714 ngx_connection_t *c;
|
|
|
715
|
|
|
716 c = wev->data;
|
|
96
|
717
|
|
58
|
718 c->read->handler(c->read);
|
|
22
|
719 }
|
|
|
720
|
|
|
721
|
|
0
|
722 /*
|
|
|
723 * OpenSSL has no SSL_writev() so we copy several bufs into our 16K buffer
|
|
22
|
724 * before the SSL_write() call to decrease a SSL overhead.
|
|
0
|
725 *
|
|
|
726 * Besides for protocols such as HTTP it is possible to always buffer
|
|
|
727 * the output to decrease a SSL overhead some more.
|
|
|
728 */
|
|
|
729
|
|
38
|
730 ngx_chain_t *
|
|
|
731 ngx_ssl_send_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit)
|
|
0
|
732 {
|
|
|
733 int n;
|
|
|
734 ngx_uint_t flush;
|
|
|
735 ssize_t send, size;
|
|
|
736 ngx_buf_t *buf;
|
|
|
737
|
|
146
|
738 if (!c->ssl->buffer
|
|
|
739 || (in && in->next == NULL && !(c->buffered & NGX_SSL_BUFFERED)))
|
|
|
740 {
|
|
0
|
741
|
|
|
742 /*
|
|
126
|
743 * we avoid a buffer copy if
|
|
|
744 * we do not need to buffer the output
|
|
|
745 * or the incoming buf is a single and our buffer is empty
|
|
0
|
746 */
|
|
|
747
|
|
126
|
748 while (in) {
|
|
|
749 if (ngx_buf_special(in->buf)) {
|
|
|
750 in = in->next;
|
|
|
751 continue;
|
|
|
752 }
|
|
0
|
753
|
|
126
|
754 n = ngx_ssl_write(c, in->buf->pos, in->buf->last - in->buf->pos);
|
|
|
755
|
|
|
756 if (n == NGX_ERROR) {
|
|
|
757 return NGX_CHAIN_ERROR;
|
|
|
758 }
|
|
0
|
759
|
|
126
|
760 if (n == NGX_AGAIN) {
|
|
146
|
761 c->buffered |= NGX_SSL_BUFFERED;
|
|
126
|
762 return in;
|
|
|
763 }
|
|
|
764
|
|
|
765 in->buf->pos += n;
|
|
|
766
|
|
|
767 if (in->buf->pos == in->buf->last) {
|
|
|
768 in = in->next;
|
|
|
769 }
|
|
0
|
770 }
|
|
|
771
|
|
|
772 return in;
|
|
|
773 }
|
|
|
774
|
|
22
|
775
|
|
|
776 /* the maximum limit size is the maximum uint32_t value - the page size */
|
|
|
777
|
|
|
778 if (limit == 0 || limit > NGX_MAX_UINT32_VALUE - ngx_pagesize) {
|
|
|
779 limit = NGX_MAX_UINT32_VALUE - ngx_pagesize;
|
|
|
780 }
|
|
|
781
|
|
|
782
|
|
126
|
783 buf = c->ssl->buf;
|
|
0
|
784 send = 0;
|
|
|
785 flush = (in == NULL) ? 1 : 0;
|
|
|
786
|
|
|
787 for ( ;; ) {
|
|
|
788
|
|
|
789 while (in && buf->last < buf->end) {
|
|
132
|
790 if (in->buf->last_buf || in->buf->flush) {
|
|
0
|
791 flush = 1;
|
|
|
792 }
|
|
|
793
|
|
|
794 if (ngx_buf_special(in->buf)) {
|
|
|
795 in = in->next;
|
|
|
796 continue;
|
|
|
797 }
|
|
|
798
|
|
|
799 size = in->buf->last - in->buf->pos;
|
|
|
800
|
|
|
801 if (size > buf->end - buf->last) {
|
|
|
802 size = buf->end - buf->last;
|
|
|
803 }
|
|
|
804
|
|
|
805 if (send + size > limit) {
|
|
126
|
806 size = (ssize_t) (limit - send);
|
|
0
|
807 flush = 1;
|
|
|
808 }
|
|
|
809
|
|
|
810 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
|
811 "SSL buf copy: %d", size);
|
|
|
812
|
|
|
813 ngx_memcpy(buf->last, in->buf->pos, size);
|
|
|
814
|
|
|
815 buf->last += size;
|
|
|
816
|
|
|
817 in->buf->pos += size;
|
|
126
|
818
|
|
0
|
819 if (in->buf->pos == in->buf->last) {
|
|
|
820 in = in->next;
|
|
|
821 }
|
|
|
822 }
|
|
|
823
|
|
|
824 size = buf->last - buf->pos;
|
|
|
825
|
|
|
826 if (!flush && buf->last < buf->end && c->ssl->buffer) {
|
|
|
827 break;
|
|
|
828 }
|
|
|
829
|
|
|
830 n = ngx_ssl_write(c, buf->pos, size);
|
|
|
831
|
|
|
832 if (n == NGX_ERROR) {
|
|
|
833 return NGX_CHAIN_ERROR;
|
|
|
834 }
|
|
|
835
|
|
60
|
836 if (n == NGX_AGAIN) {
|
|
146
|
837 c->buffered |= NGX_SSL_BUFFERED;
|
|
60
|
838 return in;
|
|
0
|
839 }
|
|
|
840
|
|
|
841 buf->pos += n;
|
|
|
842 send += n;
|
|
|
843 c->sent += n;
|
|
|
844
|
|
|
845 if (n < size) {
|
|
|
846 break;
|
|
|
847 }
|
|
|
848
|
|
|
849 if (buf->pos == buf->last) {
|
|
|
850 buf->pos = buf->start;
|
|
|
851 buf->last = buf->start;
|
|
|
852 }
|
|
|
853
|
|
|
854 if (in == NULL || send == limit) {
|
|
|
855 break;
|
|
|
856 }
|
|
|
857 }
|
|
|
858
|
|
146
|
859 if (buf->pos < buf->last) {
|
|
|
860 c->buffered |= NGX_SSL_BUFFERED;
|
|
|
861
|
|
|
862 } else {
|
|
|
863 c->buffered &= ~NGX_SSL_BUFFERED;
|
|
|
864 }
|
|
0
|
865
|
|
|
866 return in;
|
|
|
867 }
|
|
|
868
|
|
|
869
|
|
88
|
870 ssize_t
|
|
38
|
871 ngx_ssl_write(ngx_connection_t *c, u_char *data, size_t size)
|
|
0
|
872 {
|
|
96
|
873 int n, sslerr;
|
|
|
874 ngx_err_t err;
|
|
0
|
875
|
|
|
876 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL to write: %d", size);
|
|
|
877
|
|
92
|
878 n = SSL_write(c->ssl->connection, data, size);
|
|
0
|
879
|
|
|
880 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_write: %d", n);
|
|
|
881
|
|
|
882 if (n > 0) {
|
|
88
|
883
|
|
22
|
884 if (c->ssl->saved_read_handler) {
|
|
|
885
|
|
58
|
886 c->read->handler = c->ssl->saved_read_handler;
|
|
22
|
887 c->ssl->saved_read_handler = NULL;
|
|
|
888 c->read->ready = 1;
|
|
|
889
|
|
|
890 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) {
|
|
|
891 return NGX_ERROR;
|
|
|
892 }
|
|
|
893
|
|
112
|
894 ngx_post_event(c->read, &ngx_posted_events);
|
|
22
|
895 }
|
|
|
896
|
|
0
|
897 return n;
|
|
|
898 }
|
|
|
899
|
|
92
|
900 sslerr = SSL_get_error(c->ssl->connection, n);
|
|
0
|
901
|
|
|
902 err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0;
|
|
|
903
|
|
|
904 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", sslerr);
|
|
|
905
|
|
|
906 if (sslerr == SSL_ERROR_WANT_WRITE) {
|
|
|
907 c->write->ready = 0;
|
|
|
908 return NGX_AGAIN;
|
|
|
909 }
|
|
|
910
|
|
|
911 if (sslerr == SSL_ERROR_WANT_READ) {
|
|
2
|
912
|
|
96
|
913 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
126
|
914 "peer started SSL renegotiation");
|
|
22
|
915
|
|
|
916 c->read->ready = 0;
|
|
|
917
|
|
|
918 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) {
|
|
|
919 return NGX_ERROR;
|
|
|
920 }
|
|
|
921
|
|
|
922 /*
|
|
|
923 * we do not set the timer because there is already
|
|
|
924 * the write event timer
|
|
|
925 */
|
|
|
926
|
|
|
927 if (c->ssl->saved_read_handler == NULL) {
|
|
58
|
928 c->ssl->saved_read_handler = c->read->handler;
|
|
|
929 c->read->handler = ngx_ssl_read_handler;
|
|
22
|
930 }
|
|
|
931
|
|
0
|
932 return NGX_AGAIN;
|
|
|
933 }
|
|
|
934
|
|
96
|
935 c->ssl->no_wait_shutdown = 1;
|
|
|
936 c->ssl->no_send_shutdown = 1;
|
|
140
|
937 c->write->error = 1;
|
|
92
|
938
|
|
96
|
939 ngx_ssl_connection_error(c, sslerr, err, "SSL_write() failed");
|
|
0
|
940
|
|
|
941 return NGX_ERROR;
|
|
|
942 }
|
|
|
943
|
|
|
944
|
|
38
|
945 static void
|
|
|
946 ngx_ssl_read_handler(ngx_event_t *rev)
|
|
22
|
947 {
|
|
|
948 ngx_connection_t *c;
|
|
|
949
|
|
|
950 c = rev->data;
|
|
96
|
951
|
|
58
|
952 c->write->handler(c->write);
|
|
22
|
953 }
|
|
|
954
|
|
|
955
|
|
38
|
956 ngx_int_t
|
|
|
957 ngx_ssl_shutdown(ngx_connection_t *c)
|
|
0
|
958 {
|
|
22
|
959 int n, sslerr, mode;
|
|
140
|
960 ngx_err_t err;
|
|
0
|
961 ngx_uint_t again;
|
|
|
962
|
|
126
|
963 if (c->timedout) {
|
|
96
|
964 mode = SSL_RECEIVED_SHUTDOWN|SSL_SENT_SHUTDOWN;
|
|
0
|
965
|
|
96
|
966 } else {
|
|
|
967 mode = SSL_get_shutdown(c->ssl->connection);
|
|
22
|
968
|
|
96
|
969 if (c->ssl->no_wait_shutdown) {
|
|
|
970 mode |= SSL_RECEIVED_SHUTDOWN;
|
|
0
|
971 }
|
|
|
972
|
|
96
|
973 if (c->ssl->no_send_shutdown) {
|
|
|
974 mode |= SSL_SENT_SHUTDOWN;
|
|
0
|
975 }
|
|
|
976 }
|
|
|
977
|
|
96
|
978 SSL_set_shutdown(c->ssl->connection, mode);
|
|
|
979
|
|
0
|
980 again = 0;
|
|
10
|
981 sslerr = 0;
|
|
0
|
982
|
|
|
983 for ( ;; ) {
|
|
92
|
984 n = SSL_shutdown(c->ssl->connection);
|
|
0
|
985
|
|
|
986 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_shutdown: %d", n);
|
|
|
987
|
|
126
|
988 if (n == 1 || (n == 0 && c->timedout)) {
|
|
92
|
989 SSL_free(c->ssl->connection);
|
|
22
|
990 c->ssl = NULL;
|
|
92
|
991
|
|
22
|
992 return NGX_OK;
|
|
|
993 }
|
|
|
994
|
|
0
|
995 if (n == 0) {
|
|
|
996 again = 1;
|
|
|
997 break;
|
|
|
998 }
|
|
|
999
|
|
|
1000 break;
|
|
|
1001 }
|
|
|
1002
|
|
|
1003 if (!again) {
|
|
92
|
1004 sslerr = SSL_get_error(c->ssl->connection, n);
|
|
0
|
1005
|
|
|
1006 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
|
1007 "SSL_get_error: %d", sslerr);
|
|
|
1008 }
|
|
|
1009
|
|
138
|
1010 if (again
|
|
|
1011 || sslerr == SSL_ERROR_WANT_READ
|
|
|
1012 || sslerr == SSL_ERROR_WANT_WRITE)
|
|
|
1013 {
|
|
126
|
1014 c->read->handler = ngx_ssl_shutdown_handler;
|
|
138
|
1015 c->write->handler = ngx_ssl_shutdown_handler;
|
|
126
|
1016
|
|
0
|
1017 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) {
|
|
|
1018 return NGX_ERROR;
|
|
|
1019 }
|
|
|
1020
|
|
|
1021 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) {
|
|
|
1022 return NGX_ERROR;
|
|
|
1023 }
|
|
|
1024
|
|
138
|
1025 if (again || sslerr == SSL_ERROR_WANT_READ) {
|
|
|
1026 ngx_add_timer(c->read, 30000);
|
|
|
1027 }
|
|
|
1028
|
|
0
|
1029 return NGX_AGAIN;
|
|
|
1030 }
|
|
|
1031
|
|
140
|
1032 err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0;
|
|
|
1033
|
|
|
1034 ngx_ssl_connection_error(c, sslerr, err, "SSL_shutdown() failed");
|
|
0
|
1035
|
|
92
|
1036 SSL_free(c->ssl->connection);
|
|
|
1037 c->ssl = NULL;
|
|
|
1038
|
|
0
|
1039 return NGX_ERROR;
|
|
|
1040 }
|
|
|
1041
|
|
|
1042
|
|
96
|
1043 static void
|
|
126
|
1044 ngx_ssl_shutdown_handler(ngx_event_t *ev)
|
|
|
1045 {
|
|
|
1046 ngx_connection_t *c;
|
|
|
1047 ngx_connection_handler_pt handler;
|
|
|
1048
|
|
|
1049 c = ev->data;
|
|
|
1050 handler = c->ssl->handler;
|
|
|
1051
|
|
|
1052 if (ev->timedout) {
|
|
|
1053 c->timedout = 1;
|
|
|
1054 }
|
|
|
1055
|
|
272
|
1056 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, "SSL shutdown handler");
|
|
126
|
1057
|
|
|
1058 if (ngx_ssl_shutdown(c) == NGX_AGAIN) {
|
|
|
1059 return;
|
|
|
1060 }
|
|
|
1061
|
|
|
1062 handler(c);
|
|
|
1063 }
|
|
|
1064
|
|
|
1065
|
|
|
1066 static void
|
|
96
|
1067 ngx_ssl_connection_error(ngx_connection_t *c, int sslerr, ngx_err_t err,
|
|
|
1068 char *text)
|
|
|
1069 {
|
|
|
1070 ngx_uint_t level;
|
|
|
1071
|
|
|
1072 level = NGX_LOG_CRIT;
|
|
|
1073
|
|
|
1074 if (sslerr == SSL_ERROR_SYSCALL) {
|
|
|
1075
|
|
|
1076 if (err == NGX_ECONNRESET
|
|
|
1077 || err == NGX_EPIPE
|
|
|
1078 || err == NGX_ENOTCONN
|
|
138
|
1079 #if !(NGX_CRIT_ETIMEDOUT)
|
|
|
1080 || err == NGX_ETIMEDOUT
|
|
|
1081 #endif
|
|
96
|
1082 || err == NGX_ECONNREFUSED
|
|
|
1083 || err == NGX_EHOSTUNREACH)
|
|
|
1084 {
|
|
|
1085 switch (c->log_error) {
|
|
|
1086
|
|
|
1087 case NGX_ERROR_IGNORE_ECONNRESET:
|
|
|
1088 case NGX_ERROR_INFO:
|
|
|
1089 level = NGX_LOG_INFO;
|
|
|
1090 break;
|
|
|
1091
|
|
|
1092 case NGX_ERROR_ERR:
|
|
|
1093 level = NGX_LOG_ERR;
|
|
|
1094 break;
|
|
|
1095
|
|
|
1096 default:
|
|
|
1097 break;
|
|
|
1098 }
|
|
|
1099 }
|
|
|
1100 }
|
|
|
1101
|
|
|
1102 ngx_ssl_error(level, c->log, err, text);
|
|
|
1103 }
|
|
|
1104
|
|
|
1105
|
|
132
|
1106 void ngx_cdecl
|
|
38
|
1107 ngx_ssl_error(ngx_uint_t level, ngx_log_t *log, ngx_err_t err, char *fmt, ...)
|
|
126
|
1108 {
|
|
96
|
1109 u_long n;
|
|
|
1110 va_list args;
|
|
10
|
1111 u_char errstr[NGX_MAX_CONF_ERRSTR], *p, *last;
|
|
|
1112
|
|
|
1113 last = errstr + NGX_MAX_CONF_ERRSTR;
|
|
0
|
1114
|
|
|
1115 va_start(args, fmt);
|
|
10
|
1116 p = ngx_vsnprintf(errstr, sizeof(errstr) - 1, fmt, args);
|
|
0
|
1117 va_end(args);
|
|
|
1118
|
|
96
|
1119 p = ngx_cpystrn(p, (u_char *) " (SSL:", last - p);
|
|
|
1120
|
|
132
|
1121 while (p < last) {
|
|
|
1122
|
|
|
1123 n = ERR_get_error();
|
|
|
1124
|
|
|
1125 if (n == 0) {
|
|
|
1126 break;
|
|
|
1127 }
|
|
96
|
1128
|
|
|
1129 *p++ = ' ';
|
|
0
|
1130
|
|
96
|
1131 ERR_error_string_n(n, (char *) p, last - p);
|
|
|
1132
|
|
|
1133 while (p < last && *p) {
|
|
|
1134 p++;
|
|
|
1135 }
|
|
|
1136 }
|
|
0
|
1137
|
|
|
1138 ngx_log_error(level, log, err, "%s)", errstr);
|
|
|
1139 }
|
|
58
|
1140
|
|
|
1141
|
|
272
|
1142 ngx_int_t
|
|
|
1143 ngx_ssl_session_cache(ngx_ssl_t *ssl, ngx_str_t *sess_ctx,
|
|
|
1144 ssize_t builtin_session_cache, ngx_shm_zone_t *shm_zone, time_t timeout)
|
|
|
1145 {
|
|
|
1146 long cache_mode;
|
|
|
1147
|
|
|
1148 cache_mode = SSL_SESS_CACHE_SERVER;
|
|
|
1149
|
|
|
1150 if (shm_zone && builtin_session_cache == NGX_SSL_NO_BUILTIN_SCACHE) {
|
|
|
1151 cache_mode |= SSL_SESS_CACHE_NO_INTERNAL;
|
|
|
1152 }
|
|
|
1153
|
|
|
1154 SSL_CTX_set_session_cache_mode(ssl->ctx, cache_mode);
|
|
|
1155
|
|
|
1156 SSL_CTX_set_session_id_context(ssl->ctx, sess_ctx->data, sess_ctx->len);
|
|
|
1157
|
|
|
1158 if (builtin_session_cache != NGX_SSL_NO_BUILTIN_SCACHE) {
|
|
|
1159
|
|
|
1160 if (builtin_session_cache != NGX_SSL_DFLT_BUILTIN_SCACHE) {
|
|
|
1161 SSL_CTX_sess_set_cache_size(ssl->ctx, builtin_session_cache);
|
|
|
1162 }
|
|
|
1163
|
|
|
1164 SSL_CTX_set_timeout(ssl->ctx, timeout);
|
|
|
1165 }
|
|
|
1166
|
|
|
1167 if (shm_zone) {
|
|
|
1168 shm_zone->init = ngx_ssl_session_cache_init;
|
|
|
1169
|
|
|
1170 SSL_CTX_sess_set_new_cb(ssl->ctx, ngx_ssl_new_session);
|
|
|
1171 SSL_CTX_sess_set_get_cb(ssl->ctx, ngx_ssl_get_cached_session);
|
|
|
1172 SSL_CTX_sess_set_remove_cb(ssl->ctx, ngx_ssl_remove_session);
|
|
|
1173
|
|
|
1174 if (SSL_CTX_set_ex_data(ssl->ctx, ngx_ssl_session_cache_index, shm_zone)
|
|
|
1175 == 0)
|
|
|
1176 {
|
|
|
1177 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
|
|
|
1178 "SSL_CTX_set_ex_data() failed");
|
|
|
1179 return NGX_ERROR;
|
|
|
1180 }
|
|
|
1181 }
|
|
|
1182
|
|
|
1183 return NGX_OK;
|
|
|
1184 }
|
|
|
1185
|
|
|
1186
|
|
|
1187 static ngx_int_t
|
|
|
1188 ngx_ssl_session_cache_init(ngx_shm_zone_t *shm_zone, void *data)
|
|
|
1189 {
|
|
|
1190 ngx_slab_pool_t *shpool;
|
|
|
1191 ngx_rbtree_node_t *sentinel;
|
|
|
1192 ngx_ssl_session_cache_t *cache;
|
|
|
1193
|
|
|
1194 if (data) {
|
|
|
1195 shm_zone->data = data;
|
|
|
1196 return NGX_OK;
|
|
|
1197 }
|
|
|
1198
|
|
|
1199 shpool = (ngx_slab_pool_t *) shm_zone->shm.addr;
|
|
|
1200
|
|
|
1201 cache = ngx_slab_alloc(shpool, sizeof(ngx_ssl_session_cache_t));
|
|
|
1202 if (cache == NULL) {
|
|
|
1203 return NGX_ERROR;
|
|
|
1204 }
|
|
|
1205
|
|
|
1206 cache->session_cache_head.prev = NULL;
|
|
|
1207 cache->session_cache_head.next = &cache->session_cache_tail;
|
|
|
1208
|
|
|
1209 cache->session_cache_tail.prev = &cache->session_cache_head;
|
|
|
1210 cache->session_cache_tail.next = NULL;
|
|
|
1211
|
|
|
1212 cache->session_rbtree = ngx_slab_alloc(shpool, sizeof(ngx_rbtree_t));
|
|
|
1213 if (cache->session_rbtree == NULL) {
|
|
|
1214 return NGX_ERROR;
|
|
|
1215 }
|
|
|
1216
|
|
|
1217 sentinel = ngx_slab_alloc(shpool, sizeof(ngx_rbtree_node_t));
|
|
|
1218 if (sentinel == NULL) {
|
|
|
1219 return NGX_ERROR;
|
|
|
1220 }
|
|
|
1221
|
|
|
1222 ngx_rbtree_sentinel_init(sentinel);
|
|
|
1223
|
|
|
1224 cache->session_rbtree->root = sentinel;
|
|
|
1225 cache->session_rbtree->sentinel = sentinel;
|
|
|
1226 cache->session_rbtree->insert = ngx_rbtree_insert_value;
|
|
|
1227
|
|
|
1228 shm_zone->data = cache;
|
|
|
1229
|
|
|
1230 return NGX_OK;
|
|
|
1231 }
|
|
|
1232
|
|
|
1233
|
|
|
1234 /*
|
|
|
1235 * OpenSSL's i2d_SSL_SESSION() and d2i_SSL_SESSION are slow,
|
|
|
1236 * so they are outside the code locked by shared pool mutex
|
|
|
1237 */
|
|
|
1238
|
|
|
1239 static int
|
|
|
1240 ngx_ssl_new_session(ngx_ssl_conn_t *ssl_conn, ngx_ssl_session_t *sess)
|
|
|
1241 {
|
|
|
1242 int len;
|
|
|
1243 u_char *p, *id;
|
|
|
1244 uint32_t hash;
|
|
|
1245 SSL_CTX *ssl_ctx;
|
|
|
1246 ngx_time_t *tp;
|
|
|
1247 ngx_shm_zone_t *shm_zone;
|
|
|
1248 ngx_connection_t *c;
|
|
|
1249 ngx_slab_pool_t *shpool;
|
|
|
1250 ngx_ssl_sess_id_t *sess_id;
|
|
|
1251 ngx_ssl_cached_sess_t *cached_sess;
|
|
|
1252 ngx_ssl_session_cache_t *cache;
|
|
|
1253 u_char buf[NGX_SSL_MAX_SESSION_SIZE];
|
|
|
1254
|
|
|
1255 len = i2d_SSL_SESSION(sess, NULL);
|
|
|
1256
|
|
|
1257 /* do not cache too big session */
|
|
|
1258
|
|
|
1259 if (len > (int) NGX_SSL_MAX_SESSION_SIZE) {
|
|
|
1260 return 0;
|
|
|
1261 }
|
|
|
1262
|
|
|
1263 p = buf;
|
|
|
1264 i2d_SSL_SESSION(sess, &p);
|
|
|
1265
|
|
|
1266 c = ngx_ssl_get_connection(ssl_conn);
|
|
|
1267
|
|
|
1268 ssl_ctx = SSL_get_SSL_CTX(ssl_conn);
|
|
|
1269 shm_zone = SSL_CTX_get_ex_data(ssl_ctx, ngx_ssl_session_cache_index);
|
|
|
1270
|
|
|
1271 cache = shm_zone->data;
|
|
|
1272 shpool = (ngx_slab_pool_t *) shm_zone->shm.addr;
|
|
|
1273
|
|
|
1274 ngx_shmtx_lock(&shpool->mutex);
|
|
|
1275
|
|
|
1276 /* drop one or two expired sessions */
|
|
|
1277 ngx_ssl_expire_sessions(cache, shpool, 1);
|
|
|
1278
|
|
|
1279 cached_sess = ngx_slab_alloc_locked(shpool,
|
|
|
1280 offsetof(ngx_ssl_cached_sess_t, asn1) + len);
|
|
|
1281
|
|
|
1282 if (cached_sess == NULL) {
|
|
|
1283
|
|
|
1284 /* drop the oldest non-expired session and try once more */
|
|
|
1285
|
|
|
1286 ngx_ssl_expire_sessions(cache, shpool, 0);
|
|
|
1287
|
|
|
1288 cached_sess = ngx_slab_alloc_locked(shpool,
|
|
|
1289 offsetof(ngx_ssl_cached_sess_t, asn1) + len);
|
|
|
1290
|
|
|
1291 if (cached_sess == NULL) {
|
|
|
1292 id = NULL;
|
|
|
1293 goto failed;
|
|
|
1294 }
|
|
|
1295 }
|
|
|
1296
|
|
|
1297 id = ngx_slab_alloc_locked(shpool, sess->session_id_length);
|
|
|
1298 if (id == NULL) {
|
|
|
1299 goto failed;
|
|
|
1300 }
|
|
|
1301
|
|
|
1302 sess_id = ngx_slab_alloc_locked(shpool, sizeof(ngx_ssl_sess_id_t));
|
|
|
1303 if (sess_id == NULL) {
|
|
|
1304 goto failed;
|
|
|
1305 }
|
|
|
1306
|
|
|
1307 ngx_memcpy(&cached_sess->asn1[0], buf, len);
|
|
|
1308
|
|
|
1309 ngx_memcpy(id, sess->session_id, sess->session_id_length);
|
|
|
1310
|
|
|
1311 hash = ngx_crc32_short(sess->session_id, sess->session_id_length);
|
|
|
1312
|
|
|
1313 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
|
1314 "http ssl new session: %08XD:%d:%d",
|
|
|
1315 hash, sess->session_id_length, len);
|
|
|
1316
|
|
|
1317 sess_id->node.key = hash;
|
|
|
1318 sess_id->node.data = (u_char) sess->session_id_length;
|
|
|
1319 sess_id->id = id;
|
|
|
1320 sess_id->len = len;
|
|
|
1321 sess_id->session = cached_sess;
|
|
|
1322
|
|
|
1323 tp = ngx_timeofday();
|
|
|
1324
|
|
|
1325 cached_sess->expire = tp->sec + SSL_CTX_get_timeout(ssl_ctx);
|
|
|
1326 cached_sess->sess_id = sess_id;
|
|
|
1327
|
|
|
1328 cached_sess->next = cache->session_cache_head.next;
|
|
|
1329 cached_sess->next->prev = cached_sess;
|
|
|
1330 cached_sess->prev = &cache->session_cache_head;
|
|
|
1331 cache->session_cache_head.next = cached_sess;
|
|
|
1332
|
|
|
1333 ngx_rbtree_insert(cache->session_rbtree, &sess_id->node);
|
|
|
1334
|
|
|
1335 ngx_shmtx_unlock(&shpool->mutex);
|
|
|
1336
|
|
|
1337 return 0;
|
|
|
1338
|
|
|
1339 failed:
|
|
|
1340
|
|
|
1341 if (cached_sess) {
|
|
|
1342 ngx_slab_free_locked(shpool, cached_sess);
|
|
|
1343 }
|
|
|
1344
|
|
|
1345 if (id) {
|
|
|
1346 ngx_slab_free_locked(shpool, id);
|
|
|
1347 }
|
|
|
1348
|
|
|
1349 ngx_shmtx_unlock(&shpool->mutex);
|
|
|
1350
|
|
|
1351 ngx_log_error(NGX_LOG_ALERT, c->log, 0,
|
|
|
1352 "could not add new SSL session to the session cache");
|
|
|
1353
|
|
|
1354 return 0;
|
|
|
1355 }
|
|
|
1356
|
|
|
1357
|
|
|
1358 static ngx_ssl_session_t *
|
|
|
1359 ngx_ssl_get_cached_session(ngx_ssl_conn_t *ssl_conn, u_char *id, int len,
|
|
|
1360 int *copy)
|
|
|
1361 {
|
|
|
1362 #if OPENSSL_VERSION_NUMBER >= 0x0090707fL
|
|
|
1363 const
|
|
|
1364 #endif
|
|
|
1365 u_char *p;
|
|
|
1366 uint32_t hash;
|
|
|
1367 ngx_time_t *tp;
|
|
|
1368 ngx_shm_zone_t *shm_zone;
|
|
|
1369 ngx_slab_pool_t *shpool;
|
|
|
1370 ngx_connection_t *c;
|
|
|
1371 ngx_rbtree_node_t *node, *sentinel;
|
|
|
1372 ngx_ssl_session_t *sess;
|
|
|
1373 ngx_ssl_sess_id_t *sess_id;
|
|
|
1374 ngx_ssl_cached_sess_t *cached_sess;
|
|
|
1375 ngx_ssl_session_cache_t *cache;
|
|
|
1376 u_char buf[NGX_SSL_MAX_SESSION_SIZE];
|
|
|
1377
|
|
|
1378 c = ngx_ssl_get_connection(ssl_conn);
|
|
|
1379
|
|
|
1380 hash = ngx_crc32_short(id, len);
|
|
|
1381 *copy = 0;
|
|
|
1382
|
|
|
1383 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
|
1384 "http ssl get session: %08XD:%d", hash, len);
|
|
|
1385
|
|
|
1386 shm_zone = SSL_CTX_get_ex_data(SSL_get_SSL_CTX(ssl_conn),
|
|
|
1387 ngx_ssl_session_cache_index);
|
|
|
1388
|
|
|
1389 cache = shm_zone->data;
|
|
|
1390
|
|
|
1391 if (cache->session_rbtree == NULL) {
|
|
|
1392 return NULL;
|
|
|
1393 }
|
|
|
1394
|
|
|
1395 sess = NULL;
|
|
|
1396
|
|
|
1397 shpool = (ngx_slab_pool_t *) shm_zone->shm.addr;
|
|
|
1398
|
|
|
1399 ngx_shmtx_lock(&shpool->mutex);
|
|
|
1400
|
|
|
1401 node = cache->session_rbtree->root;
|
|
|
1402 sentinel = cache->session_rbtree->sentinel;
|
|
|
1403
|
|
|
1404 while (node != sentinel) {
|
|
|
1405
|
|
|
1406 if (hash < node->key) {
|
|
|
1407 node = node->left;
|
|
|
1408 continue;
|
|
|
1409 }
|
|
|
1410
|
|
|
1411 if (hash > node->key) {
|
|
|
1412 node = node->right;
|
|
|
1413 continue;
|
|
|
1414 }
|
|
|
1415
|
|
|
1416 if (hash == node->key && (u_char) len == node->data) {
|
|
|
1417 sess_id = (ngx_ssl_sess_id_t *) node;
|
|
|
1418
|
|
|
1419 if (ngx_strncmp(id, sess_id->id, len) == 0) {
|
|
|
1420
|
|
|
1421 cached_sess = sess_id->session;
|
|
|
1422
|
|
|
1423 tp = ngx_timeofday();
|
|
|
1424
|
|
|
1425 if (cached_sess->expire > tp->sec) {
|
|
|
1426 ngx_memcpy(buf, &cached_sess->asn1[0], sess_id->len);
|
|
|
1427
|
|
|
1428 ngx_shmtx_unlock(&shpool->mutex);
|
|
|
1429
|
|
|
1430 p = buf;
|
|
|
1431 sess = d2i_SSL_SESSION(NULL, &p, sess_id->len);
|
|
|
1432
|
|
|
1433 return sess;
|
|
|
1434 }
|
|
|
1435
|
|
|
1436 cached_sess->next->prev = cached_sess->prev;
|
|
|
1437 cached_sess->prev->next = cached_sess->next;
|
|
|
1438
|
|
|
1439 ngx_rbtree_delete(cache->session_rbtree, node);
|
|
|
1440
|
|
|
1441 ngx_slab_free_locked(shpool, cached_sess);
|
|
|
1442 ngx_slab_free_locked(shpool, sess_id->id);
|
|
|
1443 ngx_slab_free_locked(shpool, sess_id);
|
|
|
1444
|
|
|
1445 sess = NULL;
|
|
|
1446
|
|
|
1447 break;
|
|
|
1448 }
|
|
|
1449 }
|
|
|
1450
|
|
|
1451 node = node->right;
|
|
|
1452 }
|
|
|
1453
|
|
|
1454 ngx_shmtx_unlock(&shpool->mutex);
|
|
|
1455
|
|
|
1456 return sess;
|
|
|
1457 }
|
|
|
1458
|
|
|
1459
|
|
|
1460 static void
|
|
|
1461 ngx_ssl_remove_session(SSL_CTX *ssl, ngx_ssl_session_t *sess)
|
|
|
1462 {
|
|
|
1463 u_char *id, len;
|
|
|
1464 uint32_t hash;
|
|
|
1465 ngx_shm_zone_t *shm_zone;
|
|
|
1466 ngx_slab_pool_t *shpool;
|
|
|
1467 ngx_rbtree_node_t *node, *sentinel;
|
|
|
1468 ngx_ssl_sess_id_t *sess_id;
|
|
|
1469 ngx_ssl_cached_sess_t *cached_sess;
|
|
|
1470 ngx_ssl_session_cache_t *cache;
|
|
|
1471
|
|
|
1472 shm_zone = SSL_CTX_get_ex_data(ssl, ngx_ssl_session_cache_index);
|
|
|
1473
|
|
|
1474 cache = shm_zone->data;
|
|
|
1475
|
|
|
1476 id = sess->session_id;
|
|
|
1477 len = (u_char) sess->session_id_length;
|
|
|
1478
|
|
|
1479 hash = ngx_crc32_short(id, (size_t) len);
|
|
|
1480
|
|
|
1481 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ngx_cycle->log, 0,
|
|
|
1482 "http ssl remove session: %08XD:%d", hash, len);
|
|
|
1483
|
|
|
1484 shpool = (ngx_slab_pool_t *) shm_zone->shm.addr;
|
|
|
1485
|
|
|
1486 ngx_shmtx_lock(&shpool->mutex);
|
|
|
1487
|
|
|
1488 node = cache->session_rbtree->root;
|
|
|
1489 sentinel = cache->session_rbtree->sentinel;
|
|
|
1490
|
|
|
1491 while (node != sentinel) {
|
|
|
1492
|
|
|
1493 if (hash < node->key) {
|
|
|
1494 node = node->left;
|
|
|
1495 continue;
|
|
|
1496 }
|
|
|
1497
|
|
|
1498 if (hash > node->key) {
|
|
|
1499 node = node->right;
|
|
|
1500 continue;
|
|
|
1501 }
|
|
|
1502
|
|
|
1503 if (hash == node->key && len == node->data) {
|
|
|
1504 sess_id = (ngx_ssl_sess_id_t *) node;
|
|
|
1505
|
|
|
1506 if (ngx_strncmp(id, sess_id->id, (size_t) len) == 0) {
|
|
|
1507
|
|
|
1508 cached_sess = sess_id->session;
|
|
|
1509
|
|
|
1510 cached_sess->next->prev = cached_sess->prev;
|
|
|
1511 cached_sess->prev->next = cached_sess->next;
|
|
|
1512
|
|
|
1513 ngx_rbtree_delete(cache->session_rbtree, node);
|
|
|
1514
|
|
|
1515 ngx_slab_free_locked(shpool, cached_sess);
|
|
|
1516 ngx_slab_free_locked(shpool, sess_id->id);
|
|
|
1517 ngx_slab_free_locked(shpool, sess_id);
|
|
|
1518
|
|
|
1519 break;
|
|
|
1520 }
|
|
|
1521 }
|
|
|
1522
|
|
|
1523 node = node->right;
|
|
|
1524 }
|
|
|
1525
|
|
|
1526 ngx_shmtx_unlock(&shpool->mutex);
|
|
|
1527 }
|
|
|
1528
|
|
|
1529
|
|
|
1530 static void
|
|
|
1531 ngx_ssl_expire_sessions(ngx_ssl_session_cache_t *cache,
|
|
|
1532 ngx_slab_pool_t *shpool, ngx_uint_t n)
|
|
|
1533 {
|
|
|
1534 ngx_time_t *tp;
|
|
|
1535 ngx_ssl_sess_id_t *sess_id;
|
|
|
1536 ngx_ssl_cached_sess_t *sess;
|
|
|
1537
|
|
|
1538 tp = ngx_timeofday();
|
|
|
1539
|
|
|
1540 while (n < 3) {
|
|
|
1541
|
|
|
1542 sess = cache->session_cache_tail.prev;
|
|
|
1543
|
|
|
1544 if (sess == &cache->session_cache_head) {
|
|
|
1545 return;
|
|
|
1546 }
|
|
|
1547
|
|
|
1548 if (n++ != 0 && sess->expire > tp->sec) {
|
|
|
1549 break;
|
|
|
1550 }
|
|
|
1551
|
|
|
1552 sess->next->prev = sess->prev;
|
|
|
1553 sess->prev->next = sess->next;
|
|
|
1554
|
|
|
1555 sess_id = sess->sess_id;
|
|
|
1556
|
|
|
1557 ngx_rbtree_delete(cache->session_rbtree, &sess_id->node);
|
|
|
1558
|
|
|
1559 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, ngx_cycle->log, 0,
|
|
|
1560 "expire session: %08Xi", sess_id->node.key);
|
|
|
1561
|
|
|
1562 ngx_slab_free_locked(shpool, sess);
|
|
|
1563 ngx_slab_free_locked(shpool, sess_id->id);
|
|
|
1564 ngx_slab_free_locked(shpool, sess_id);
|
|
|
1565 }
|
|
|
1566 }
|
|
|
1567
|
|
|
1568
|
|
58
|
1569 void
|
|
|
1570 ngx_ssl_cleanup_ctx(void *data)
|
|
|
1571 {
|
|
138
|
1572 ngx_ssl_t *ssl = data;
|
|
58
|
1573
|
|
138
|
1574 SSL_CTX_free(ssl->ctx);
|
|
58
|
1575 }
|
|
90
|
1576
|
|
|
1577
|
|
220
|
1578 ngx_int_t
|
|
|
1579 ngx_ssl_get_protocol(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
|
|
160
|
1580 {
|
|
220
|
1581 s->data = (u_char *) SSL_get_version(c->ssl->connection);
|
|
|
1582 return NGX_OK;
|
|
160
|
1583 }
|
|
|
1584
|
|
|
1585
|
|
220
|
1586 ngx_int_t
|
|
|
1587 ngx_ssl_get_cipher_name(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
|
|
160
|
1588 {
|
|
220
|
1589 s->data = (u_char *) SSL_get_cipher_name(c->ssl->connection);
|
|
|
1590 return NGX_OK;
|
|
160
|
1591 }
|
|
|
1592
|
|
|
1593
|
|
196
|
1594 ngx_int_t
|
|
|
1595 ngx_ssl_get_subject_dn(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
|
|
|
1596 {
|
|
|
1597 char *p;
|
|
|
1598 size_t len;
|
|
|
1599 X509 *cert;
|
|
|
1600 X509_NAME *name;
|
|
|
1601
|
|
|
1602 s->len = 0;
|
|
|
1603
|
|
|
1604 cert = SSL_get_peer_certificate(c->ssl->connection);
|
|
|
1605 if (cert == NULL) {
|
|
|
1606 return NGX_OK;
|
|
|
1607 }
|
|
|
1608
|
|
|
1609 name = X509_get_subject_name(cert);
|
|
|
1610 if (name == NULL) {
|
|
|
1611 return NGX_ERROR;
|
|
|
1612 }
|
|
|
1613
|
|
|
1614 p = X509_NAME_oneline(name, NULL, 0);
|
|
|
1615
|
|
|
1616 for (len = 0; p[len]; len++) { /* void */ }
|
|
|
1617
|
|
|
1618 s->len = len;
|
|
|
1619 s->data = ngx_palloc(pool, len);
|
|
|
1620 if (s->data == NULL) {
|
|
|
1621 OPENSSL_free(p);
|
|
|
1622 return NGX_ERROR;
|
|
|
1623 }
|
|
|
1624
|
|
|
1625 ngx_memcpy(s->data, p, len);
|
|
|
1626
|
|
|
1627 OPENSSL_free(p);
|
|
|
1628
|
|
|
1629 return NGX_OK;
|
|
|
1630 }
|
|
|
1631
|
|
|
1632
|
|
|
1633 ngx_int_t
|
|
|
1634 ngx_ssl_get_issuer_dn(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
|
|
|
1635 {
|
|
|
1636 char *p;
|
|
|
1637 size_t len;
|
|
|
1638 X509 *cert;
|
|
|
1639 X509_NAME *name;
|
|
|
1640
|
|
|
1641 s->len = 0;
|
|
|
1642
|
|
|
1643 cert = SSL_get_peer_certificate(c->ssl->connection);
|
|
|
1644 if (cert == NULL) {
|
|
|
1645 return NGX_OK;
|
|
|
1646 }
|
|
|
1647
|
|
|
1648 name = X509_get_issuer_name(cert);
|
|
|
1649 if (name == NULL) {
|
|
|
1650 return NGX_ERROR;
|
|
|
1651 }
|
|
|
1652
|
|
|
1653 p = X509_NAME_oneline(name, NULL, 0);
|
|
|
1654
|
|
|
1655 for (len = 0; p[len]; len++) { /* void */ }
|
|
|
1656
|
|
|
1657 s->len = len;
|
|
|
1658 s->data = ngx_palloc(pool, len);
|
|
|
1659 if (s->data == NULL) {
|
|
|
1660 OPENSSL_free(p);
|
|
|
1661 return NGX_ERROR;
|
|
|
1662 }
|
|
|
1663
|
|
|
1664 ngx_memcpy(s->data, p, len);
|
|
|
1665
|
|
|
1666 OPENSSL_free(p);
|
|
|
1667
|
|
|
1668 return NGX_OK;
|
|
|
1669 }
|
|
|
1670
|
|
|
1671
|
|
220
|
1672 ngx_int_t
|
|
|
1673 ngx_ssl_get_serial_number(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
|
|
|
1674 {
|
|
|
1675 size_t len;
|
|
|
1676 X509 *cert;
|
|
|
1677 BIO *bio;
|
|
|
1678
|
|
|
1679 s->len = 0;
|
|
|
1680
|
|
|
1681 cert = SSL_get_peer_certificate(c->ssl->connection);
|
|
|
1682 if (cert == NULL) {
|
|
|
1683 return NGX_OK;
|
|
|
1684 }
|
|
|
1685
|
|
|
1686 bio = BIO_new(BIO_s_mem());
|
|
|
1687 if (bio == NULL) {
|
|
|
1688 return NGX_ERROR;
|
|
|
1689 }
|
|
|
1690
|
|
|
1691 i2a_ASN1_INTEGER(bio, X509_get_serialNumber(cert));
|
|
|
1692 len = BIO_pending(bio);
|
|
|
1693
|
|
|
1694 s->len = len;
|
|
|
1695 s->data = ngx_palloc(pool, len);
|
|
|
1696 if (s->data == NULL) {
|
|
|
1697 BIO_free(bio);
|
|
|
1698 return NGX_ERROR;
|
|
|
1699 }
|
|
|
1700
|
|
|
1701 BIO_read(bio, s->data, len);
|
|
|
1702 BIO_free(bio);
|
|
|
1703
|
|
|
1704 return NGX_OK;
|
|
|
1705 }
|
|
|
1706
|
|
|
1707
|
|
90
|
1708 static void *
|
|
|
1709 ngx_openssl_create_conf(ngx_cycle_t *cycle)
|
|
|
1710 {
|
|
|
1711 ngx_openssl_conf_t *oscf;
|
|
126
|
1712
|
|
90
|
1713 oscf = ngx_pcalloc(cycle->pool, sizeof(ngx_openssl_conf_t));
|
|
|
1714 if (oscf == NULL) {
|
|
|
1715 return NGX_CONF_ERROR;
|
|
|
1716 }
|
|
126
|
1717
|
|
90
|
1718 /*
|
|
|
1719 * set by ngx_pcalloc():
|
|
126
|
1720 *
|
|
90
|
1721 * oscf->engine.len = 0;
|
|
|
1722 * oscf->engine.data = NULL;
|
|
126
|
1723 */
|
|
90
|
1724
|
|
|
1725 return oscf;
|
|
|
1726 }
|
|
|
1727
|
|
|
1728
|
|
|
1729 static char *
|
|
|
1730 ngx_openssl_init_conf(ngx_cycle_t *cycle, void *conf)
|
|
|
1731 {
|
|
|
1732 #if (NGX_SSL_ENGINE)
|
|
|
1733 ngx_openssl_conf_t *oscf = conf;
|
|
120
|
1734
|
|
90
|
1735 ENGINE *engine;
|
|
|
1736
|
|
|
1737 if (oscf->engine.len == 0) {
|
|
|
1738 return NGX_CONF_OK;
|
|
|
1739 }
|
|
126
|
1740
|
|
90
|
1741 engine = ENGINE_by_id((const char *) oscf->engine.data);
|
|
|
1742
|
|
|
1743 if (engine == NULL) {
|
|
|
1744 ngx_ssl_error(NGX_LOG_WARN, cycle->log, 0,
|
|
|
1745 "ENGINE_by_id(\"%V\") failed", &oscf->engine);
|
|
|
1746 return NGX_CONF_ERROR;
|
|
|
1747 }
|
|
|
1748
|
|
|
1749 if (ENGINE_set_default(engine, ENGINE_METHOD_ALL) == 0) {
|
|
|
1750 ngx_ssl_error(NGX_LOG_WARN, cycle->log, 0,
|
|
|
1751 "ENGINE_set_default(\"%V\", ENGINE_METHOD_ALL) failed",
|
|
|
1752 &oscf->engine);
|
|
|
1753 return NGX_CONF_ERROR;
|
|
|
1754 }
|
|
|
1755
|
|
|
1756 ENGINE_free(engine);
|
|
|
1757
|
|
|
1758 #endif
|
|
|
1759
|
|
|
1760 return NGX_CONF_OK;
|
|
|
1761 }
|
|
|
1762
|
|
|
1763
|
|
|
1764 #if !(NGX_SSL_ENGINE)
|
|
|
1765
|
|
|
1766 static char *
|
|
|
1767 ngx_openssl_noengine(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
1768 {
|
|
|
1769 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
112
|
1770 "\"ssl_engine\" directive is available only in "
|
|
|
1771 "OpenSSL 0.9.7 and higher,");
|
|
90
|
1772
|
|
|
1773 return NGX_CONF_ERROR;
|
|
|
1774 }
|
|
|
1775
|
|
|
1776 #endif
|
|
120
|
1777
|
|
|
1778
|
|
|
1779 static void
|
|
|
1780 ngx_openssl_exit(ngx_cycle_t *cycle)
|
|
|
1781 {
|
|
|
1782 #if (NGX_SSL_ENGINE)
|
|
|
1783 ENGINE_cleanup();
|
|
|
1784 #endif
|
|
|
1785 }
|
