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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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446
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13 ngx_uint_t engine; /* unsigned engine:1; */
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90
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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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446
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40 static char *ngx_openssl_engine(ngx_conf_t *cf, ngx_command_t *cmd, 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
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44 static ngx_command_t ngx_openssl_commands[] = {
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45
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46 { ngx_string("ssl_engine"),
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47 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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446
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48 ngx_openssl_engine,
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90
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49 0,
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446
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50 0,
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90
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51 NULL },
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52
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53 ngx_null_command
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54 };
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55
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56
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57 static ngx_core_module_t ngx_openssl_module_ctx = {
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58 ngx_string("openssl"),
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59 ngx_openssl_create_conf,
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446
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60 NULL
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126
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61 };
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90
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62
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63
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64 ngx_module_t ngx_openssl_module = {
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65 NGX_MODULE_V1,
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66 &ngx_openssl_module_ctx, /* module context */
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67 ngx_openssl_commands, /* module directives */
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68 NGX_CORE_MODULE, /* module type */
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69 NULL, /* init master */
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70 NULL, /* init module */
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71 NULL, /* init process */
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72 NULL, /* init thread */
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73 NULL, /* exit thread */
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74 NULL, /* exit process */
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120
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75 ngx_openssl_exit, /* exit master */
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90
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76 NGX_MODULE_V1_PADDING
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96
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77 };
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78
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79
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80 static long ngx_ssl_protocols[] = {
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81 SSL_OP_NO_SSLv2|SSL_OP_NO_SSLv3|SSL_OP_NO_TLSv1,
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82 SSL_OP_NO_SSLv3|SSL_OP_NO_TLSv1,
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83 SSL_OP_NO_SSLv2|SSL_OP_NO_TLSv1,
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84 SSL_OP_NO_TLSv1,
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85 SSL_OP_NO_SSLv2|SSL_OP_NO_SSLv3,
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86 SSL_OP_NO_SSLv3,
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87 SSL_OP_NO_SSLv2,
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88 0,
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89 };
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0
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90
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91
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272
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92 int ngx_ssl_connection_index;
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93 int ngx_ssl_server_conf_index;
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94 int ngx_ssl_session_cache_index;
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220
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95
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96
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38
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97 ngx_int_t
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98 ngx_ssl_init(ngx_log_t *log)
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0
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99 {
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272
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100 #if OPENSSL_VERSION_NUMBER >= 0x00907000
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101 OPENSSL_config(NULL);
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102 #endif
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103
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0
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104 SSL_library_init();
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105 SSL_load_error_strings();
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90
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106
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107 #if (NGX_SSL_ENGINE)
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28
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108 ENGINE_load_builtin_engines();
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90
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109 #endif
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0
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110
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272
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111 ngx_ssl_connection_index = SSL_get_ex_new_index(0, NULL, NULL, NULL, NULL);
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112
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113 if (ngx_ssl_connection_index == -1) {
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114 ngx_ssl_error(NGX_LOG_ALERT, log, 0, "SSL_get_ex_new_index() failed");
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115 return NGX_ERROR;
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116 }
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220
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117
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272
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118 ngx_ssl_server_conf_index = SSL_CTX_get_ex_new_index(0, NULL, NULL, NULL,
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119 NULL);
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120 if (ngx_ssl_server_conf_index == -1) {
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121 ngx_ssl_error(NGX_LOG_ALERT, log, 0,
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122 "SSL_CTX_get_ex_new_index() failed");
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123 return NGX_ERROR;
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124 }
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125
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126 ngx_ssl_session_cache_index = SSL_CTX_get_ex_new_index(0, NULL, NULL, NULL,
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127 NULL);
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128 if (ngx_ssl_session_cache_index == -1) {
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129 ngx_ssl_error(NGX_LOG_ALERT, log, 0,
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130 "SSL_CTX_get_ex_new_index() failed");
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220
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131 return NGX_ERROR;
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132 }
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133
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0
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134 return NGX_OK;
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135 }
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136
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137
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38
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138 ngx_int_t
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272
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139 ngx_ssl_create(ngx_ssl_t *ssl, ngx_uint_t protocols, void *data)
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96
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140 {
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126
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141 ssl->ctx = SSL_CTX_new(SSLv23_method());
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96
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142
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143 if (ssl->ctx == NULL) {
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144 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0, "SSL_CTX_new() failed");
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145 return NGX_ERROR;
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146 }
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147
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272
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148 if (SSL_CTX_set_ex_data(ssl->ctx, ngx_ssl_server_conf_index, data) == 0) {
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149 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
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150 "SSL_CTX_set_ex_data() failed");
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151 return NGX_ERROR;
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152 }
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153
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126
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154 /* client side options */
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155
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156 SSL_CTX_set_options(ssl->ctx, SSL_OP_MICROSOFT_SESS_ID_BUG);
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157 SSL_CTX_set_options(ssl->ctx, SSL_OP_NETSCAPE_CHALLENGE_BUG);
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158 SSL_CTX_set_options(ssl->ctx, SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG);
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159
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160 /* server side options */
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112
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161
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162 SSL_CTX_set_options(ssl->ctx, SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG);
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163 SSL_CTX_set_options(ssl->ctx, SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER);
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164
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165 /* this option allow a potential SSL 2.0 rollback (CAN-2005-2969) */
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166 SSL_CTX_set_options(ssl->ctx, SSL_OP_MSIE_SSLV2_RSA_PADDING);
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167
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168 SSL_CTX_set_options(ssl->ctx, SSL_OP_SSLEAY_080_CLIENT_DH_BUG);
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169 SSL_CTX_set_options(ssl->ctx, SSL_OP_TLS_D5_BUG);
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170 SSL_CTX_set_options(ssl->ctx, SSL_OP_TLS_BLOCK_PADDING_BUG);
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171
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172 #ifdef SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS
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173 SSL_CTX_set_options(ssl->ctx, SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS);
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174 #endif
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175
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380
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176 SSL_CTX_set_options(ssl->ctx, SSL_OP_SINGLE_DH_USE);
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96
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177
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178 if (ngx_ssl_protocols[protocols >> 1] != 0) {
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179 SSL_CTX_set_options(ssl->ctx, ngx_ssl_protocols[protocols >> 1]);
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180 }
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181
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182 SSL_CTX_set_read_ahead(ssl->ctx, 1);
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183
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184 return NGX_OK;
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185 }
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186
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187
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188 ngx_int_t
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112
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189 ngx_ssl_certificate(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_str_t *cert,
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190 ngx_str_t *key)
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96
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191 {
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324
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192 if (ngx_conf_full_name(cf->cycle, cert, 1) == NGX_ERROR) {
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96
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193 return NGX_ERROR;
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194 }
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195
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112
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196 if (SSL_CTX_use_certificate_chain_file(ssl->ctx, (char *) cert->data)
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96
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197 == 0)
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198 {
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199 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
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112
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200 "SSL_CTX_use_certificate_chain_file(\"%s\") failed",
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201 cert->data);
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202 return NGX_ERROR;
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203 }
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204
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324
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205 if (ngx_conf_full_name(cf->cycle, key, 1) == NGX_ERROR) {
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112
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206 return NGX_ERROR;
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207 }
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208
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209 if (SSL_CTX_use_PrivateKey_file(ssl->ctx, (char *) key->data,
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196
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210 SSL_FILETYPE_PEM)
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211 == 0)
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112
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212 {
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213 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
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214 "SSL_CTX_use_PrivateKey_file(\"%s\") failed", key->data);
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96
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215 return NGX_ERROR;
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216 }
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217
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218 return NGX_OK;
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219 }
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220
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221
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222 ngx_int_t
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220
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223 ngx_ssl_client_certificate(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_str_t *cert,
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224 ngx_int_t depth)
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196
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225 {
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220
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226 STACK_OF(X509_NAME) *list;
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227
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228 SSL_CTX_set_verify(ssl->ctx, SSL_VERIFY_PEER, ngx_http_ssl_verify_callback);
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229
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230 SSL_CTX_set_verify_depth(ssl->ctx, depth);
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231
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232 if (cert->len == 0) {
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233 return NGX_OK;
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234 }
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235
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324
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236 if (ngx_conf_full_name(cf->cycle, cert, 1) == NGX_ERROR) {
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196
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237 return NGX_ERROR;
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238 }
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239
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240 if (SSL_CTX_load_verify_locations(ssl->ctx, (char *) cert->data, NULL)
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241 == 0)
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242 {
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243 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
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244 "SSL_CTX_load_verify_locations(\"%s\") failed",
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245 cert->data);
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246 return NGX_ERROR;
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247 }
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248
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220
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249 list = SSL_load_client_CA_file((char *) cert->data);
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250
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251 if (list == NULL) {
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252 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
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253 "SSL_load_client_CA_file(\"%s\") failed", cert->data);
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254 return NGX_ERROR;
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255 }
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256
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257 /*
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258 * before 0.9.7h and 0.9.8 SSL_load_client_CA_file()
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259 * always leaved an error in the error queue
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260 */
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261
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262 ERR_clear_error();
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263
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264 SSL_CTX_set_client_CA_list(ssl->ctx, list);
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265
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196
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266 return NGX_OK;
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267 }
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268
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269
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220
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270 static int
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271 ngx_http_ssl_verify_callback(int ok, X509_STORE_CTX *x509_store)
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272 {
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372
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273 #if (NGX_DEBUG)
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220
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274 char *subject, *issuer;
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275 int err, depth;
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276 X509 *cert;
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372
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277 X509_NAME *sname, *iname;
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220
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278 ngx_connection_t *c;
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279 ngx_ssl_conn_t *ssl_conn;
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280
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281 ssl_conn = X509_STORE_CTX_get_ex_data(x509_store,
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282 SSL_get_ex_data_X509_STORE_CTX_idx());
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283
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284 c = ngx_ssl_get_connection(ssl_conn);
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285
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286 cert = X509_STORE_CTX_get_current_cert(x509_store);
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287 err = X509_STORE_CTX_get_error(x509_store);
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288 depth = X509_STORE_CTX_get_error_depth(x509_store);
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289
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372
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290 sname = X509_get_subject_name(cert);
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291 subject = sname ? X509_NAME_oneline(sname, NULL, 0) : "(none)";
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292
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293 iname = X509_get_issuer_name(cert);
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294 issuer = iname ? X509_NAME_oneline(iname, NULL, 0) : "(none)";
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220
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295
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272
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296 ngx_log_debug5(NGX_LOG_DEBUG_EVENT, c->log, 0,
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220
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297 "verify:%d, error:%d, depth:%d, "
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298 "subject:\"%s\",issuer: \"%s\"",
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299 ok, err, depth, subject, issuer);
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300
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372
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301 if (sname) {
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302 OPENSSL_free(subject);
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303 }
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304
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305 if (iname) {
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306 OPENSSL_free(issuer);
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307 }
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308 #endif
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309
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220
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310 return 1;
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311 }
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312
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313
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196
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314 ngx_int_t
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96
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315 ngx_ssl_generate_rsa512_key(ngx_ssl_t *ssl)
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316 {
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220
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317 RSA *key;
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318
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108
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319 if (SSL_CTX_need_tmp_RSA(ssl->ctx) == 0) {
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320 return NGX_OK;
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321 }
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322
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220
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323 key = RSA_generate_key(512, RSA_F4, NULL, NULL);
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96
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324
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220
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325 if (key) {
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326 SSL_CTX_set_tmp_rsa(ssl->ctx, key);
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327
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328 RSA_free(key);
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329
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96
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330 return NGX_OK;
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331 }
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332
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333 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0, "RSA_generate_key(512) failed");
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334
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335 return NGX_ERROR;
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336 }
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337
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338
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339 ngx_int_t
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380
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340 ngx_ssl_dhparam(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_str_t *file)
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341 {
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342 DH *dh;
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343 BIO *bio;
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344
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345 /*
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346 * -----BEGIN DH PARAMETERS-----
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347 * MIGHAoGBALu8LcrYRnSQfEP89YDpz9vZWKP1aLQtSwju1OsPs1BMbAMCducQgAxc
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348 * y7qokiYUxb7spWWl/fHSh6K8BJvmd4Bg6RqSp1fjBI9osHb302zI8pul34HcLKcl
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349 * 7OZicMyaUDXYzs7vnqAnSmOrHlj6/UmI0PZdFGdX2gcd8EXP4WubAgEC
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350 * -----END DH PARAMETERS-----
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351 */
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352
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353 static unsigned char dh1024_p[] = {
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354 0xBB, 0xBC, 0x2D, 0xCA, 0xD8, 0x46, 0x74, 0x90, 0x7C, 0x43, 0xFC, 0xF5,
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355 0x80, 0xE9, 0xCF, 0xDB, 0xD9, 0x58, 0xA3, 0xF5, 0x68, 0xB4, 0x2D, 0x4B,
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356 0x08, 0xEE, 0xD4, 0xEB, 0x0F, 0xB3, 0x50, 0x4C, 0x6C, 0x03, 0x02, 0x76,
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357 0xE7, 0x10, 0x80, 0x0C, 0x5C, 0xCB, 0xBA, 0xA8, 0x92, 0x26, 0x14, 0xC5,
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|
|
358 0xBE, 0xEC, 0xA5, 0x65, 0xA5, 0xFD, 0xF1, 0xD2, 0x87, 0xA2, 0xBC, 0x04,
|
|
|
359 0x9B, 0xE6, 0x77, 0x80, 0x60, 0xE9, 0x1A, 0x92, 0xA7, 0x57, 0xE3, 0x04,
|
|
|
360 0x8F, 0x68, 0xB0, 0x76, 0xF7, 0xD3, 0x6C, 0xC8, 0xF2, 0x9B, 0xA5, 0xDF,
|
|
|
361 0x81, 0xDC, 0x2C, 0xA7, 0x25, 0xEC, 0xE6, 0x62, 0x70, 0xCC, 0x9A, 0x50,
|
|
|
362 0x35, 0xD8, 0xCE, 0xCE, 0xEF, 0x9E, 0xA0, 0x27, 0x4A, 0x63, 0xAB, 0x1E,
|
|
|
363 0x58, 0xFA, 0xFD, 0x49, 0x88, 0xD0, 0xF6, 0x5D, 0x14, 0x67, 0x57, 0xDA,
|
|
|
364 0x07, 0x1D, 0xF0, 0x45, 0xCF, 0xE1, 0x6B, 0x9B
|
|
|
365 };
|
|
|
366
|
|
|
367 static unsigned char dh1024_g[] = { 0x02 };
|
|
|
368
|
|
|
369
|
|
|
370 if (file->len == 0) {
|
|
|
371
|
|
|
372 dh = DH_new();
|
|
|
373 if (dh == NULL) {
|
|
|
374 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0, "DH_new() failed");
|
|
|
375 return NGX_ERROR;
|
|
|
376 }
|
|
|
377
|
|
|
378 dh->p = BN_bin2bn(dh1024_p, sizeof(dh1024_p), NULL);
|
|
|
379 dh->g = BN_bin2bn(dh1024_g, sizeof(dh1024_g), NULL);
|
|
|
380
|
|
|
381 if (dh->p == NULL || dh->g == NULL) {
|
|
|
382 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0, "BN_bin2bn() failed");
|
|
|
383 DH_free(dh);
|
|
|
384 return NGX_ERROR;
|
|
|
385 }
|
|
|
386
|
|
|
387 SSL_CTX_set_tmp_dh(ssl->ctx, dh);
|
|
|
388
|
|
|
389 DH_free(dh);
|
|
|
390
|
|
|
391 return NGX_OK;
|
|
|
392 }
|
|
|
393
|
|
|
394 if (ngx_conf_full_name(cf->cycle, file, 1) == NGX_ERROR) {
|
|
|
395 return NGX_ERROR;
|
|
|
396 }
|
|
|
397
|
|
|
398 bio = BIO_new_file((char *) file->data, "r");
|
|
|
399 if (bio == NULL) {
|
|
|
400 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
|
|
|
401 "BIO_new_file(\"%s\") failed", file->data);
|
|
|
402 return NGX_ERROR;
|
|
|
403 }
|
|
|
404
|
|
|
405 dh = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
|
|
|
406 if (dh == NULL) {
|
|
|
407 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
|
|
|
408 "PEM_read_bio_DHparams(\"%s\") failed", file->data);
|
|
|
409 BIO_free(bio);
|
|
|
410 return NGX_ERROR;
|
|
|
411 }
|
|
|
412
|
|
|
413 SSL_CTX_set_tmp_dh(ssl->ctx, dh);
|
|
|
414
|
|
|
415 DH_free(dh);
|
|
|
416 BIO_free(bio);
|
|
|
417
|
|
|
418 return NGX_OK;
|
|
|
419 }
|
|
|
420
|
|
|
421
|
|
|
422 ngx_int_t
|
|
96
|
423 ngx_ssl_create_connection(ngx_ssl_t *ssl, ngx_connection_t *c, ngx_uint_t flags)
|
|
126
|
424 {
|
|
96
|
425 ngx_ssl_connection_t *sc;
|
|
0
|
426
|
|
96
|
427 sc = ngx_pcalloc(c->pool, sizeof(ngx_ssl_connection_t));
|
|
|
428 if (sc == NULL) {
|
|
0
|
429 return NGX_ERROR;
|
|
|
430 }
|
|
|
431
|
|
358
|
432 sc->buffer = ((flags & NGX_SSL_BUFFER) != 0);
|
|
0
|
433
|
|
96
|
434 sc->connection = SSL_new(ssl->ctx);
|
|
0
|
435
|
|
96
|
436 if (sc->connection == NULL) {
|
|
0
|
437 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "SSL_new() failed");
|
|
|
438 return NGX_ERROR;
|
|
|
439 }
|
|
|
440
|
|
96
|
441 if (SSL_set_fd(sc->connection, c->fd) == 0) {
|
|
0
|
442 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "SSL_set_fd() failed");
|
|
|
443 return NGX_ERROR;
|
|
|
444 }
|
|
|
445
|
|
126
|
446 if (flags & NGX_SSL_CLIENT) {
|
|
|
447 SSL_set_connect_state(sc->connection);
|
|
|
448
|
|
|
449 } else {
|
|
|
450 SSL_set_accept_state(sc->connection);
|
|
|
451 }
|
|
0
|
452
|
|
272
|
453 if (SSL_set_ex_data(sc->connection, ngx_ssl_connection_index, c) == 0) {
|
|
220
|
454 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "SSL_set_ex_data() failed");
|
|
|
455 return NGX_ERROR;
|
|
|
456 }
|
|
|
457
|
|
96
|
458 c->ssl = sc;
|
|
0
|
459
|
|
|
460 return NGX_OK;
|
|
|
461 }
|
|
|
462
|
|
|
463
|
|
96
|
464 ngx_int_t
|
|
126
|
465 ngx_ssl_set_session(ngx_connection_t *c, ngx_ssl_session_t *session)
|
|
|
466 {
|
|
|
467 if (session) {
|
|
|
468 if (SSL_set_session(c->ssl->connection, session) == 0) {
|
|
|
469 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "SSL_set_session() failed");
|
|
|
470 return NGX_ERROR;
|
|
|
471 }
|
|
|
472 }
|
|
|
473
|
|
|
474 return NGX_OK;
|
|
|
475 }
|
|
|
476
|
|
|
477
|
|
|
478 ngx_int_t
|
|
96
|
479 ngx_ssl_handshake(ngx_connection_t *c)
|
|
|
480 {
|
|
|
481 int n, sslerr;
|
|
|
482 ngx_err_t err;
|
|
|
483
|
|
358
|
484 ngx_ssl_clear_error(c->log);
|
|
|
485
|
|
96
|
486 n = SSL_do_handshake(c->ssl->connection);
|
|
|
487
|
|
126
|
488 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_do_handshake: %d", n);
|
|
96
|
489
|
|
|
490 if (n == 1) {
|
|
|
491
|
|
430
|
492 if (ngx_handle_read_event(c->read, 0) != NGX_OK) {
|
|
96
|
493 return NGX_ERROR;
|
|
|
494 }
|
|
|
495
|
|
430
|
496 if (ngx_handle_write_event(c->write, 0) != NGX_OK) {
|
|
96
|
497 return NGX_ERROR;
|
|
|
498 }
|
|
|
499
|
|
|
500 #if (NGX_DEBUG)
|
|
|
501 {
|
|
|
502 char buf[129], *s, *d;
|
|
|
503 SSL_CIPHER *cipher;
|
|
|
504
|
|
|
505 cipher = SSL_get_current_cipher(c->ssl->connection);
|
|
|
506
|
|
|
507 if (cipher) {
|
|
|
508 SSL_CIPHER_description(cipher, &buf[1], 128);
|
|
|
509
|
|
|
510 for (s = &buf[1], d = buf; *s; s++) {
|
|
|
511 if (*s == ' ' && *d == ' ') {
|
|
|
512 continue;
|
|
|
513 }
|
|
|
514
|
|
|
515 if (*s == LF || *s == CR) {
|
|
|
516 continue;
|
|
|
517 }
|
|
|
518
|
|
|
519 *++d = *s;
|
|
|
520 }
|
|
|
521
|
|
|
522 if (*d != ' ') {
|
|
|
523 d++;
|
|
|
524 }
|
|
|
525
|
|
|
526 *d = '\0';
|
|
|
527
|
|
132
|
528 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
96
|
529 "SSL: %s, cipher: \"%s\"",
|
|
126
|
530 SSL_get_version(c->ssl->connection), &buf[1]);
|
|
96
|
531
|
|
|
532 if (SSL_session_reused(c->ssl->connection)) {
|
|
132
|
533 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
96
|
534 "SSL reused session");
|
|
|
535 }
|
|
|
536
|
|
|
537 } else {
|
|
|
538 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
126
|
539 "SSL no shared ciphers");
|
|
96
|
540 }
|
|
|
541 }
|
|
|
542 #endif
|
|
|
543
|
|
|
544 c->ssl->handshaked = 1;
|
|
|
545
|
|
|
546 c->recv = ngx_ssl_recv;
|
|
|
547 c->send = ngx_ssl_write;
|
|
126
|
548 c->recv_chain = ngx_ssl_recv_chain;
|
|
|
549 c->send_chain = ngx_ssl_send_chain;
|
|
96
|
550
|
|
|
551 return NGX_OK;
|
|
|
552 }
|
|
|
553
|
|
|
554 sslerr = SSL_get_error(c->ssl->connection, n);
|
|
|
555
|
|
|
556 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", sslerr);
|
|
|
557
|
|
|
558 if (sslerr == SSL_ERROR_WANT_READ) {
|
|
|
559 c->read->ready = 0;
|
|
|
560 c->read->handler = ngx_ssl_handshake_handler;
|
|
140
|
561 c->write->handler = ngx_ssl_handshake_handler;
|
|
96
|
562
|
|
430
|
563 if (ngx_handle_read_event(c->read, 0) != NGX_OK) {
|
|
96
|
564 return NGX_ERROR;
|
|
|
565 }
|
|
|
566
|
|
|
567 return NGX_AGAIN;
|
|
|
568 }
|
|
|
569
|
|
|
570 if (sslerr == SSL_ERROR_WANT_WRITE) {
|
|
|
571 c->write->ready = 0;
|
|
140
|
572 c->read->handler = ngx_ssl_handshake_handler;
|
|
96
|
573 c->write->handler = ngx_ssl_handshake_handler;
|
|
|
574
|
|
430
|
575 if (ngx_handle_write_event(c->write, 0) != NGX_OK) {
|
|
96
|
576 return NGX_ERROR;
|
|
|
577 }
|
|
|
578
|
|
|
579 return NGX_AGAIN;
|
|
|
580 }
|
|
|
581
|
|
|
582 err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0;
|
|
|
583
|
|
|
584 c->ssl->no_wait_shutdown = 1;
|
|
|
585 c->ssl->no_send_shutdown = 1;
|
|
140
|
586 c->read->eof = 1;
|
|
96
|
587
|
|
|
588 if (sslerr == SSL_ERROR_ZERO_RETURN || ERR_peek_error() == 0) {
|
|
|
589 ngx_log_error(NGX_LOG_INFO, c->log, err,
|
|
126
|
590 "peer closed connection in SSL handshake");
|
|
96
|
591
|
|
|
592 return NGX_ERROR;
|
|
|
593 }
|
|
|
594
|
|
140
|
595 c->read->error = 1;
|
|
|
596
|
|
96
|
597 ngx_ssl_connection_error(c, sslerr, err, "SSL_do_handshake() failed");
|
|
|
598
|
|
|
599 return NGX_ERROR;
|
|
|
600 }
|
|
|
601
|
|
|
602
|
|
|
603 static void
|
|
|
604 ngx_ssl_handshake_handler(ngx_event_t *ev)
|
|
|
605 {
|
|
|
606 ngx_connection_t *c;
|
|
|
607
|
|
|
608 c = ev->data;
|
|
|
609
|
|
98
|
610 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
126
|
611 "SSL handshake handler: %d", ev->write);
|
|
96
|
612
|
|
140
|
613 if (ev->timedout) {
|
|
|
614 c->ssl->handler(c);
|
|
|
615 return;
|
|
|
616 }
|
|
|
617
|
|
96
|
618 if (ngx_ssl_handshake(c) == NGX_AGAIN) {
|
|
|
619 return;
|
|
|
620 }
|
|
|
621
|
|
|
622 c->ssl->handler(c);
|
|
|
623 }
|
|
|
624
|
|
|
625
|
|
38
|
626 ssize_t
|
|
126
|
627 ngx_ssl_recv_chain(ngx_connection_t *c, ngx_chain_t *cl)
|
|
|
628 {
|
|
294
|
629 u_char *last;
|
|
126
|
630 ssize_t n, bytes;
|
|
|
631 ngx_buf_t *b;
|
|
|
632
|
|
|
633 bytes = 0;
|
|
|
634
|
|
294
|
635 b = cl->buf;
|
|
|
636 last = b->last;
|
|
|
637
|
|
|
638 for ( ;; ) {
|
|
|
639
|
|
|
640 n = ngx_ssl_recv(c, last, b->end - last);
|
|
126
|
641
|
|
|
642 if (n > 0) {
|
|
294
|
643 last += n;
|
|
126
|
644 bytes += n;
|
|
|
645
|
|
294
|
646 if (last == b->end) {
|
|
126
|
647 cl = cl->next;
|
|
294
|
648
|
|
|
649 if (cl == NULL) {
|
|
|
650 return bytes;
|
|
|
651 }
|
|
|
652
|
|
|
653 b = cl->buf;
|
|
|
654 last = b->last;
|
|
126
|
655 }
|
|
|
656
|
|
|
657 continue;
|
|
|
658 }
|
|
|
659
|
|
|
660 if (bytes) {
|
|
382
|
661
|
|
|
662 if (n == 0 || n == NGX_ERROR) {
|
|
|
663 c->read->ready = 1;
|
|
|
664 }
|
|
|
665
|
|
126
|
666 return bytes;
|
|
|
667 }
|
|
|
668
|
|
|
669 return n;
|
|
|
670 }
|
|
|
671 }
|
|
|
672
|
|
|
673
|
|
|
674 ssize_t
|
|
38
|
675 ngx_ssl_recv(ngx_connection_t *c, u_char *buf, size_t size)
|
|
0
|
676 {
|
|
38
|
677 int n, bytes;
|
|
|
678
|
|
|
679 if (c->ssl->last == NGX_ERROR) {
|
|
330
|
680 c->read->error = 1;
|
|
38
|
681 return NGX_ERROR;
|
|
|
682 }
|
|
|
683
|
|
126
|
684 if (c->ssl->last == NGX_DONE) {
|
|
330
|
685 c->read->ready = 0;
|
|
|
686 c->read->eof = 1;
|
|
126
|
687 return 0;
|
|
|
688 }
|
|
|
689
|
|
38
|
690 bytes = 0;
|
|
0
|
691
|
|
358
|
692 ngx_ssl_clear_error(c->log);
|
|
|
693
|
|
38
|
694 /*
|
|
|
695 * SSL_read() may return data in parts, so try to read
|
|
|
696 * until SSL_read() would return no data
|
|
|
697 */
|
|
|
698
|
|
|
699 for ( ;; ) {
|
|
0
|
700
|
|
92
|
701 n = SSL_read(c->ssl->connection, buf, size);
|
|
38
|
702
|
|
126
|
703 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_read: %d", n);
|
|
0
|
704
|
|
38
|
705 if (n > 0) {
|
|
|
706 bytes += n;
|
|
|
707 }
|
|
|
708
|
|
|
709 c->ssl->last = ngx_ssl_handle_recv(c, n);
|
|
|
710
|
|
330
|
711 if (c->ssl->last == NGX_OK) {
|
|
|
712
|
|
|
713 size -= n;
|
|
|
714
|
|
|
715 if (size == 0) {
|
|
38
|
716 return bytes;
|
|
126
|
717 }
|
|
38
|
718
|
|
330
|
719 buf += n;
|
|
|
720
|
|
|
721 continue;
|
|
|
722 }
|
|
|
723
|
|
|
724 if (bytes) {
|
|
|
725 return bytes;
|
|
|
726 }
|
|
|
727
|
|
|
728 switch (c->ssl->last) {
|
|
|
729
|
|
|
730 case NGX_DONE:
|
|
|
731 c->read->ready = 0;
|
|
|
732 c->read->eof = 1;
|
|
|
733 return 0;
|
|
|
734
|
|
|
735 case NGX_ERROR:
|
|
|
736 c->read->error = 1;
|
|
|
737
|
|
|
738 /* fall thruogh */
|
|
|
739
|
|
|
740 case NGX_AGAIN:
|
|
126
|
741 return c->ssl->last;
|
|
28
|
742 }
|
|
38
|
743 }
|
|
|
744 }
|
|
|
745
|
|
|
746
|
|
|
747 static ngx_int_t
|
|
|
748 ngx_ssl_handle_recv(ngx_connection_t *c, int n)
|
|
|
749 {
|
|
96
|
750 int sslerr;
|
|
|
751 ngx_err_t err;
|
|
38
|
752
|
|
|
753 if (n > 0) {
|
|
28
|
754
|
|
22
|
755 if (c->ssl->saved_write_handler) {
|
|
|
756
|
|
58
|
757 c->write->handler = c->ssl->saved_write_handler;
|
|
22
|
758 c->ssl->saved_write_handler = NULL;
|
|
|
759 c->write->ready = 1;
|
|
|
760
|
|
430
|
761 if (ngx_handle_write_event(c->write, 0) != NGX_OK) {
|
|
22
|
762 return NGX_ERROR;
|
|
|
763 }
|
|
|
764
|
|
112
|
765 ngx_post_event(c->write, &ngx_posted_events);
|
|
22
|
766 }
|
|
|
767
|
|
38
|
768 return NGX_OK;
|
|
0
|
769 }
|
|
|
770
|
|
92
|
771 sslerr = SSL_get_error(c->ssl->connection, n);
|
|
0
|
772
|
|
|
773 err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0;
|
|
|
774
|
|
|
775 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", sslerr);
|
|
|
776
|
|
|
777 if (sslerr == SSL_ERROR_WANT_READ) {
|
|
4
|
778 c->read->ready = 0;
|
|
0
|
779 return NGX_AGAIN;
|
|
|
780 }
|
|
|
781
|
|
|
782 if (sslerr == SSL_ERROR_WANT_WRITE) {
|
|
88
|
783
|
|
96
|
784 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
126
|
785 "peer started SSL renegotiation");
|
|
22
|
786
|
|
|
787 c->write->ready = 0;
|
|
|
788
|
|
430
|
789 if (ngx_handle_write_event(c->write, 0) != NGX_OK) {
|
|
22
|
790 return NGX_ERROR;
|
|
|
791 }
|
|
|
792
|
|
|
793 /*
|
|
|
794 * we do not set the timer because there is already the read event timer
|
|
|
795 */
|
|
|
796
|
|
|
797 if (c->ssl->saved_write_handler == NULL) {
|
|
58
|
798 c->ssl->saved_write_handler = c->write->handler;
|
|
|
799 c->write->handler = ngx_ssl_write_handler;
|
|
22
|
800 }
|
|
|
801
|
|
0
|
802 return NGX_AGAIN;
|
|
|
803 }
|
|
|
804
|
|
96
|
805 c->ssl->no_wait_shutdown = 1;
|
|
|
806 c->ssl->no_send_shutdown = 1;
|
|
0
|
807
|
|
|
808 if (sslerr == SSL_ERROR_ZERO_RETURN || ERR_peek_error() == 0) {
|
|
126
|
809 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
|
810 "peer shutdown SSL cleanly");
|
|
|
811 return NGX_DONE;
|
|
0
|
812 }
|
|
|
813
|
|
96
|
814 ngx_ssl_connection_error(c, sslerr, err, "SSL_read() failed");
|
|
0
|
815
|
|
|
816 return NGX_ERROR;
|
|
|
817 }
|
|
|
818
|
|
|
819
|
|
38
|
820 static void
|
|
|
821 ngx_ssl_write_handler(ngx_event_t *wev)
|
|
22
|
822 {
|
|
|
823 ngx_connection_t *c;
|
|
|
824
|
|
|
825 c = wev->data;
|
|
96
|
826
|
|
58
|
827 c->read->handler(c->read);
|
|
22
|
828 }
|
|
|
829
|
|
|
830
|
|
0
|
831 /*
|
|
|
832 * OpenSSL has no SSL_writev() so we copy several bufs into our 16K buffer
|
|
22
|
833 * before the SSL_write() call to decrease a SSL overhead.
|
|
0
|
834 *
|
|
|
835 * Besides for protocols such as HTTP it is possible to always buffer
|
|
|
836 * the output to decrease a SSL overhead some more.
|
|
|
837 */
|
|
|
838
|
|
38
|
839 ngx_chain_t *
|
|
|
840 ngx_ssl_send_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit)
|
|
0
|
841 {
|
|
|
842 int n;
|
|
|
843 ngx_uint_t flush;
|
|
|
844 ssize_t send, size;
|
|
|
845 ngx_buf_t *buf;
|
|
|
846
|
|
416
|
847 if (!c->ssl->buffer) {
|
|
0
|
848
|
|
126
|
849 while (in) {
|
|
|
850 if (ngx_buf_special(in->buf)) {
|
|
|
851 in = in->next;
|
|
|
852 continue;
|
|
|
853 }
|
|
0
|
854
|
|
126
|
855 n = ngx_ssl_write(c, in->buf->pos, in->buf->last - in->buf->pos);
|
|
|
856
|
|
|
857 if (n == NGX_ERROR) {
|
|
|
858 return NGX_CHAIN_ERROR;
|
|
|
859 }
|
|
0
|
860
|
|
126
|
861 if (n == NGX_AGAIN) {
|
|
146
|
862 c->buffered |= NGX_SSL_BUFFERED;
|
|
126
|
863 return in;
|
|
|
864 }
|
|
|
865
|
|
|
866 in->buf->pos += n;
|
|
|
867
|
|
|
868 if (in->buf->pos == in->buf->last) {
|
|
|
869 in = in->next;
|
|
|
870 }
|
|
0
|
871 }
|
|
|
872
|
|
|
873 return in;
|
|
|
874 }
|
|
|
875
|
|
22
|
876
|
|
|
877 /* the maximum limit size is the maximum uint32_t value - the page size */
|
|
|
878
|
|
324
|
879 if (limit == 0 || limit > (off_t) (NGX_MAX_UINT32_VALUE - ngx_pagesize)) {
|
|
22
|
880 limit = NGX_MAX_UINT32_VALUE - ngx_pagesize;
|
|
|
881 }
|
|
|
882
|
|
126
|
883 buf = c->ssl->buf;
|
|
358
|
884
|
|
|
885 if (buf == NULL) {
|
|
|
886 buf = ngx_create_temp_buf(c->pool, NGX_SSL_BUFSIZE);
|
|
|
887 if (buf == NULL) {
|
|
|
888 return NGX_CHAIN_ERROR;
|
|
|
889 }
|
|
|
890
|
|
|
891 c->ssl->buf = buf;
|
|
|
892 }
|
|
|
893
|
|
|
894 if (buf->start == NULL) {
|
|
|
895 buf->start = ngx_palloc(c->pool, NGX_SSL_BUFSIZE);
|
|
|
896 if (buf->start == NULL) {
|
|
|
897 return NGX_CHAIN_ERROR;
|
|
|
898 }
|
|
|
899
|
|
|
900 buf->pos = buf->start;
|
|
|
901 buf->last = buf->start;
|
|
|
902 buf->end = buf->start + NGX_SSL_BUFSIZE;
|
|
|
903 }
|
|
|
904
|
|
0
|
905 send = 0;
|
|
|
906 flush = (in == NULL) ? 1 : 0;
|
|
|
907
|
|
|
908 for ( ;; ) {
|
|
|
909
|
|
|
910 while (in && buf->last < buf->end) {
|
|
132
|
911 if (in->buf->last_buf || in->buf->flush) {
|
|
0
|
912 flush = 1;
|
|
|
913 }
|
|
|
914
|
|
|
915 if (ngx_buf_special(in->buf)) {
|
|
|
916 in = in->next;
|
|
|
917 continue;
|
|
|
918 }
|
|
|
919
|
|
|
920 size = in->buf->last - in->buf->pos;
|
|
|
921
|
|
|
922 if (size > buf->end - buf->last) {
|
|
|
923 size = buf->end - buf->last;
|
|
|
924 }
|
|
|
925
|
|
|
926 if (send + size > limit) {
|
|
126
|
927 size = (ssize_t) (limit - send);
|
|
0
|
928 flush = 1;
|
|
|
929 }
|
|
|
930
|
|
|
931 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
|
932 "SSL buf copy: %d", size);
|
|
|
933
|
|
|
934 ngx_memcpy(buf->last, in->buf->pos, size);
|
|
|
935
|
|
|
936 buf->last += size;
|
|
|
937
|
|
|
938 in->buf->pos += size;
|
|
126
|
939
|
|
0
|
940 if (in->buf->pos == in->buf->last) {
|
|
|
941 in = in->next;
|
|
|
942 }
|
|
|
943 }
|
|
|
944
|
|
|
945 size = buf->last - buf->pos;
|
|
|
946
|
|
|
947 if (!flush && buf->last < buf->end && c->ssl->buffer) {
|
|
|
948 break;
|
|
|
949 }
|
|
|
950
|
|
|
951 n = ngx_ssl_write(c, buf->pos, size);
|
|
|
952
|
|
|
953 if (n == NGX_ERROR) {
|
|
|
954 return NGX_CHAIN_ERROR;
|
|
|
955 }
|
|
|
956
|
|
60
|
957 if (n == NGX_AGAIN) {
|
|
146
|
958 c->buffered |= NGX_SSL_BUFFERED;
|
|
60
|
959 return in;
|
|
0
|
960 }
|
|
|
961
|
|
|
962 buf->pos += n;
|
|
|
963 send += n;
|
|
|
964 c->sent += n;
|
|
|
965
|
|
|
966 if (n < size) {
|
|
|
967 break;
|
|
|
968 }
|
|
|
969
|
|
|
970 if (buf->pos == buf->last) {
|
|
|
971 buf->pos = buf->start;
|
|
|
972 buf->last = buf->start;
|
|
|
973 }
|
|
|
974
|
|
|
975 if (in == NULL || send == limit) {
|
|
|
976 break;
|
|
|
977 }
|
|
|
978 }
|
|
|
979
|
|
146
|
980 if (buf->pos < buf->last) {
|
|
|
981 c->buffered |= NGX_SSL_BUFFERED;
|
|
|
982
|
|
|
983 } else {
|
|
|
984 c->buffered &= ~NGX_SSL_BUFFERED;
|
|
|
985 }
|
|
0
|
986
|
|
|
987 return in;
|
|
|
988 }
|
|
|
989
|
|
|
990
|
|
88
|
991 ssize_t
|
|
38
|
992 ngx_ssl_write(ngx_connection_t *c, u_char *data, size_t size)
|
|
0
|
993 {
|
|
96
|
994 int n, sslerr;
|
|
|
995 ngx_err_t err;
|
|
0
|
996
|
|
358
|
997 ngx_ssl_clear_error(c->log);
|
|
|
998
|
|
0
|
999 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL to write: %d", size);
|
|
|
1000
|
|
92
|
1001 n = SSL_write(c->ssl->connection, data, size);
|
|
0
|
1002
|
|
|
1003 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_write: %d", n);
|
|
|
1004
|
|
|
1005 if (n > 0) {
|
|
88
|
1006
|
|
22
|
1007 if (c->ssl->saved_read_handler) {
|
|
|
1008
|
|
58
|
1009 c->read->handler = c->ssl->saved_read_handler;
|
|
22
|
1010 c->ssl->saved_read_handler = NULL;
|
|
|
1011 c->read->ready = 1;
|
|
|
1012
|
|
430
|
1013 if (ngx_handle_read_event(c->read, 0) != NGX_OK) {
|
|
22
|
1014 return NGX_ERROR;
|
|
|
1015 }
|
|
|
1016
|
|
112
|
1017 ngx_post_event(c->read, &ngx_posted_events);
|
|
22
|
1018 }
|
|
|
1019
|
|
0
|
1020 return n;
|
|
|
1021 }
|
|
|
1022
|
|
92
|
1023 sslerr = SSL_get_error(c->ssl->connection, n);
|
|
0
|
1024
|
|
|
1025 err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0;
|
|
|
1026
|
|
|
1027 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", sslerr);
|
|
|
1028
|
|
|
1029 if (sslerr == SSL_ERROR_WANT_WRITE) {
|
|
|
1030 c->write->ready = 0;
|
|
|
1031 return NGX_AGAIN;
|
|
|
1032 }
|
|
|
1033
|
|
|
1034 if (sslerr == SSL_ERROR_WANT_READ) {
|
|
2
|
1035
|
|
96
|
1036 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
126
|
1037 "peer started SSL renegotiation");
|
|
22
|
1038
|
|
|
1039 c->read->ready = 0;
|
|
|
1040
|
|
430
|
1041 if (ngx_handle_read_event(c->read, 0) != NGX_OK) {
|
|
22
|
1042 return NGX_ERROR;
|
|
|
1043 }
|
|
|
1044
|
|
|
1045 /*
|
|
|
1046 * we do not set the timer because there is already
|
|
|
1047 * the write event timer
|
|
|
1048 */
|
|
|
1049
|
|
|
1050 if (c->ssl->saved_read_handler == NULL) {
|
|
58
|
1051 c->ssl->saved_read_handler = c->read->handler;
|
|
|
1052 c->read->handler = ngx_ssl_read_handler;
|
|
22
|
1053 }
|
|
|
1054
|
|
0
|
1055 return NGX_AGAIN;
|
|
|
1056 }
|
|
|
1057
|
|
96
|
1058 c->ssl->no_wait_shutdown = 1;
|
|
|
1059 c->ssl->no_send_shutdown = 1;
|
|
140
|
1060 c->write->error = 1;
|
|
92
|
1061
|
|
96
|
1062 ngx_ssl_connection_error(c, sslerr, err, "SSL_write() failed");
|
|
0
|
1063
|
|
|
1064 return NGX_ERROR;
|
|
|
1065 }
|
|
|
1066
|
|
|
1067
|
|
38
|
1068 static void
|
|
|
1069 ngx_ssl_read_handler(ngx_event_t *rev)
|
|
22
|
1070 {
|
|
|
1071 ngx_connection_t *c;
|
|
|
1072
|
|
|
1073 c = rev->data;
|
|
96
|
1074
|
|
58
|
1075 c->write->handler(c->write);
|
|
22
|
1076 }
|
|
|
1077
|
|
|
1078
|
|
358
|
1079 void
|
|
|
1080 ngx_ssl_free_buffer(ngx_connection_t *c)
|
|
|
1081 {
|
|
360
|
1082 if (c->ssl->buf && c->ssl->buf->start) {
|
|
|
1083 if (ngx_pfree(c->pool, c->ssl->buf->start) == NGX_OK) {
|
|
|
1084 c->ssl->buf->start = NULL;
|
|
|
1085 }
|
|
358
|
1086 }
|
|
|
1087 }
|
|
|
1088
|
|
|
1089
|
|
38
|
1090 ngx_int_t
|
|
|
1091 ngx_ssl_shutdown(ngx_connection_t *c)
|
|
0
|
1092 {
|
|
358
|
1093 int n, sslerr, mode;
|
|
|
1094 ngx_err_t err;
|
|
0
|
1095
|
|
126
|
1096 if (c->timedout) {
|
|
96
|
1097 mode = SSL_RECEIVED_SHUTDOWN|SSL_SENT_SHUTDOWN;
|
|
0
|
1098
|
|
96
|
1099 } else {
|
|
|
1100 mode = SSL_get_shutdown(c->ssl->connection);
|
|
22
|
1101
|
|
96
|
1102 if (c->ssl->no_wait_shutdown) {
|
|
|
1103 mode |= SSL_RECEIVED_SHUTDOWN;
|
|
0
|
1104 }
|
|
|
1105
|
|
96
|
1106 if (c->ssl->no_send_shutdown) {
|
|
|
1107 mode |= SSL_SENT_SHUTDOWN;
|
|
0
|
1108 }
|
|
|
1109 }
|
|
|
1110
|
|
96
|
1111 SSL_set_shutdown(c->ssl->connection, mode);
|
|
|
1112
|
|
358
|
1113 ngx_ssl_clear_error(c->log);
|
|
|
1114
|
|
|
1115 n = SSL_shutdown(c->ssl->connection);
|
|
|
1116
|
|
|
1117 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_shutdown: %d", n);
|
|
|
1118
|
|
10
|
1119 sslerr = 0;
|
|
0
|
1120
|
|
364
|
1121 /* SSL_shutdown() never returns -1, on error it returns 0 */
|
|
|
1122
|
|
|
1123 if (n != 1 && ERR_peek_error()) {
|
|
92
|
1124 sslerr = SSL_get_error(c->ssl->connection, n);
|
|
0
|
1125
|
|
|
1126 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
|
1127 "SSL_get_error: %d", sslerr);
|
|
|
1128 }
|
|
|
1129
|
|
364
|
1130 if (n == 1 || sslerr == 0 || sslerr == SSL_ERROR_ZERO_RETURN) {
|
|
358
|
1131 SSL_free(c->ssl->connection);
|
|
|
1132 c->ssl = NULL;
|
|
|
1133
|
|
|
1134 return NGX_OK;
|
|
|
1135 }
|
|
|
1136
|
|
|
1137 if (sslerr == SSL_ERROR_WANT_READ || sslerr == SSL_ERROR_WANT_WRITE) {
|
|
126
|
1138 c->read->handler = ngx_ssl_shutdown_handler;
|
|
138
|
1139 c->write->handler = ngx_ssl_shutdown_handler;
|
|
126
|
1140
|
|
430
|
1141 if (ngx_handle_read_event(c->read, 0) != NGX_OK) {
|
|
0
|
1142 return NGX_ERROR;
|
|
|
1143 }
|
|
|
1144
|
|
430
|
1145 if (ngx_handle_write_event(c->write, 0) != NGX_OK) {
|
|
0
|
1146 return NGX_ERROR;
|
|
|
1147 }
|
|
|
1148
|
|
358
|
1149 if (sslerr == SSL_ERROR_WANT_READ) {
|
|
138
|
1150 ngx_add_timer(c->read, 30000);
|
|
|
1151 }
|
|
|
1152
|
|
0
|
1153 return NGX_AGAIN;
|
|
|
1154 }
|
|
|
1155
|
|
140
|
1156 err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0;
|
|
|
1157
|
|
|
1158 ngx_ssl_connection_error(c, sslerr, err, "SSL_shutdown() failed");
|
|
0
|
1159
|
|
92
|
1160 SSL_free(c->ssl->connection);
|
|
|
1161 c->ssl = NULL;
|
|
|
1162
|
|
0
|
1163 return NGX_ERROR;
|
|
|
1164 }
|
|
|
1165
|
|
|
1166
|
|
96
|
1167 static void
|
|
126
|
1168 ngx_ssl_shutdown_handler(ngx_event_t *ev)
|
|
|
1169 {
|
|
|
1170 ngx_connection_t *c;
|
|
|
1171 ngx_connection_handler_pt handler;
|
|
|
1172
|
|
|
1173 c = ev->data;
|
|
|
1174 handler = c->ssl->handler;
|
|
|
1175
|
|
|
1176 if (ev->timedout) {
|
|
|
1177 c->timedout = 1;
|
|
|
1178 }
|
|
|
1179
|
|
272
|
1180 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, "SSL shutdown handler");
|
|
126
|
1181
|
|
|
1182 if (ngx_ssl_shutdown(c) == NGX_AGAIN) {
|
|
|
1183 return;
|
|
|
1184 }
|
|
|
1185
|
|
|
1186 handler(c);
|
|
|
1187 }
|
|
|
1188
|
|
|
1189
|
|
|
1190 static void
|
|
96
|
1191 ngx_ssl_connection_error(ngx_connection_t *c, int sslerr, ngx_err_t err,
|
|
|
1192 char *text)
|
|
|
1193 {
|
|
364
|
1194 int n;
|
|
96
|
1195 ngx_uint_t level;
|
|
|
1196
|
|
|
1197 level = NGX_LOG_CRIT;
|
|
|
1198
|
|
|
1199 if (sslerr == SSL_ERROR_SYSCALL) {
|
|
|
1200
|
|
|
1201 if (err == NGX_ECONNRESET
|
|
|
1202 || err == NGX_EPIPE
|
|
|
1203 || err == NGX_ENOTCONN
|
|
138
|
1204 #if !(NGX_CRIT_ETIMEDOUT)
|
|
|
1205 || err == NGX_ETIMEDOUT
|
|
|
1206 #endif
|
|
96
|
1207 || err == NGX_ECONNREFUSED
|
|
364
|
1208 || err == NGX_ENETDOWN
|
|
|
1209 || err == NGX_ENETUNREACH
|
|
|
1210 || err == NGX_EHOSTDOWN
|
|
96
|
1211 || err == NGX_EHOSTUNREACH)
|
|
|
1212 {
|
|
|
1213 switch (c->log_error) {
|
|
|
1214
|
|
|
1215 case NGX_ERROR_IGNORE_ECONNRESET:
|
|
|
1216 case NGX_ERROR_INFO:
|
|
|
1217 level = NGX_LOG_INFO;
|
|
|
1218 break;
|
|
|
1219
|
|
|
1220 case NGX_ERROR_ERR:
|
|
|
1221 level = NGX_LOG_ERR;
|
|
|
1222 break;
|
|
|
1223
|
|
|
1224 default:
|
|
|
1225 break;
|
|
|
1226 }
|
|
|
1227 }
|
|
364
|
1228
|
|
|
1229 } else if (sslerr == SSL_ERROR_SSL) {
|
|
|
1230
|
|
|
1231 n = ERR_GET_REASON(ERR_peek_error());
|
|
|
1232
|
|
|
1233 /* handshake failures */
|
|
420
|
1234 if (n == SSL_R_DIGEST_CHECK_FAILED /* 149 */
|
|
|
1235 || n == SSL_R_NO_CIPHERS_PASSED /* 182 */
|
|
|
1236 || n == SSL_R_NO_SHARED_CIPHER /* 193 */
|
|
|
1237 || n == SSL_R_UNEXPECTED_MESSAGE /* 244 */
|
|
|
1238 || n == SSL_R_UNEXPECTED_RECORD /* 245 */
|
|
|
1239 || n == SSL_R_WRONG_VERSION_NUMBER /* 267 */
|
|
|
1240 || n == SSL_R_DECRYPTION_FAILED_OR_BAD_RECORD_MAC /* 281 */
|
|
364
|
1241 || n == 1000 /* SSL_R_SSLV3_ALERT_CLOSE_NOTIFY */
|
|
420
|
1242 || n == SSL_R_SSLV3_ALERT_UNEXPECTED_MESSAGE /* 1010 */
|
|
|
1243 || n == SSL_R_SSLV3_ALERT_BAD_RECORD_MAC /* 1020 */
|
|
|
1244 || n == SSL_R_TLSV1_ALERT_DECRYPTION_FAILED /* 1021 */
|
|
|
1245 || n == SSL_R_TLSV1_ALERT_RECORD_OVERFLOW /* 1022 */
|
|
|
1246 || n == SSL_R_SSLV3_ALERT_DECOMPRESSION_FAILURE /* 1030 */
|
|
|
1247 || n == SSL_R_SSLV3_ALERT_HANDSHAKE_FAILURE /* 1040 */
|
|
|
1248 || n == SSL_R_SSLV3_ALERT_NO_CERTIFICATE /* 1041 */
|
|
|
1249 || n == SSL_R_SSLV3_ALERT_BAD_CERTIFICATE /* 1042 */
|
|
|
1250 || n == SSL_R_SSLV3_ALERT_UNSUPPORTED_CERTIFICATE /* 1043 */
|
|
|
1251 || n == SSL_R_SSLV3_ALERT_CERTIFICATE_REVOKED /* 1044 */
|
|
|
1252 || n == SSL_R_SSLV3_ALERT_CERTIFICATE_EXPIRED /* 1045 */
|
|
|
1253 || n == SSL_R_SSLV3_ALERT_CERTIFICATE_UNKNOWN /* 1046 */
|
|
|
1254 || n == SSL_R_SSLV3_ALERT_ILLEGAL_PARAMETER /* 1047 */
|
|
|
1255 || n == SSL_R_TLSV1_ALERT_UNKNOWN_CA /* 1048 */
|
|
|
1256 || n == SSL_R_TLSV1_ALERT_ACCESS_DENIED /* 1049 */
|
|
|
1257 || n == SSL_R_TLSV1_ALERT_DECODE_ERROR /* 1050 */
|
|
|
1258 || n == SSL_R_TLSV1_ALERT_DECRYPT_ERROR /* 1051 */
|
|
|
1259 || n == SSL_R_TLSV1_ALERT_EXPORT_RESTRICTION /* 1060 */
|
|
|
1260 || n == SSL_R_TLSV1_ALERT_PROTOCOL_VERSION /* 1070 */
|
|
|
1261 || n == SSL_R_TLSV1_ALERT_INSUFFICIENT_SECURITY /* 1071 */
|
|
|
1262 || n == SSL_R_TLSV1_ALERT_INTERNAL_ERROR /* 1080 */
|
|
|
1263 || n == SSL_R_TLSV1_ALERT_USER_CANCELLED /* 1090 */
|
|
|
1264 || n == SSL_R_TLSV1_ALERT_NO_RENEGOTIATION) /* 1100 */
|
|
364
|
1265 {
|
|
|
1266 switch (c->log_error) {
|
|
|
1267
|
|
|
1268 case NGX_ERROR_IGNORE_ECONNRESET:
|
|
|
1269 case NGX_ERROR_INFO:
|
|
|
1270 level = NGX_LOG_INFO;
|
|
|
1271 break;
|
|
|
1272
|
|
|
1273 case NGX_ERROR_ERR:
|
|
|
1274 level = NGX_LOG_ERR;
|
|
|
1275 break;
|
|
|
1276
|
|
|
1277 default:
|
|
|
1278 break;
|
|
|
1279 }
|
|
|
1280 }
|
|
96
|
1281 }
|
|
|
1282
|
|
|
1283 ngx_ssl_error(level, c->log, err, text);
|
|
|
1284 }
|
|
|
1285
|
|
|
1286
|
|
358
|
1287 static void
|
|
|
1288 ngx_ssl_clear_error(ngx_log_t *log)
|
|
|
1289 {
|
|
364
|
1290 while (ERR_peek_error()) {
|
|
358
|
1291 ngx_ssl_error(NGX_LOG_ALERT, log, 0, "ignoring stale global SSL error");
|
|
|
1292 }
|
|
364
|
1293
|
|
|
1294 ERR_clear_error();
|
|
358
|
1295 }
|
|
|
1296
|
|
|
1297
|
|
132
|
1298 void ngx_cdecl
|
|
38
|
1299 ngx_ssl_error(ngx_uint_t level, ngx_log_t *log, ngx_err_t err, char *fmt, ...)
|
|
126
|
1300 {
|
|
364
|
1301 u_long n;
|
|
|
1302 va_list args;
|
|
|
1303 u_char *p, *last;
|
|
|
1304 u_char errstr[NGX_MAX_CONF_ERRSTR];
|
|
10
|
1305
|
|
|
1306 last = errstr + NGX_MAX_CONF_ERRSTR;
|
|
0
|
1307
|
|
|
1308 va_start(args, fmt);
|
|
10
|
1309 p = ngx_vsnprintf(errstr, sizeof(errstr) - 1, fmt, args);
|
|
0
|
1310 va_end(args);
|
|
|
1311
|
|
96
|
1312 p = ngx_cpystrn(p, (u_char *) " (SSL:", last - p);
|
|
|
1313
|
|
364
|
1314 for ( ;; ) {
|
|
132
|
1315
|
|
|
1316 n = ERR_get_error();
|
|
|
1317
|
|
|
1318 if (n == 0) {
|
|
|
1319 break;
|
|
|
1320 }
|
|
96
|
1321
|
|
364
|
1322 if (p >= last) {
|
|
|
1323 continue;
|
|
|
1324 }
|
|
|
1325
|
|
96
|
1326 *p++ = ' ';
|
|
0
|
1327
|
|
96
|
1328 ERR_error_string_n(n, (char *) p, last - p);
|
|
|
1329
|
|
|
1330 while (p < last && *p) {
|
|
|
1331 p++;
|
|
|
1332 }
|
|
|
1333 }
|
|
0
|
1334
|
|
|
1335 ngx_log_error(level, log, err, "%s)", errstr);
|
|
|
1336 }
|
|
58
|
1337
|
|
|
1338
|
|
272
|
1339 ngx_int_t
|
|
|
1340 ngx_ssl_session_cache(ngx_ssl_t *ssl, ngx_str_t *sess_ctx,
|
|
|
1341 ssize_t builtin_session_cache, ngx_shm_zone_t *shm_zone, time_t timeout)
|
|
|
1342 {
|
|
|
1343 long cache_mode;
|
|
|
1344
|
|
358
|
1345 if (builtin_session_cache == NGX_SSL_NO_SCACHE) {
|
|
|
1346 SSL_CTX_set_session_cache_mode(ssl->ctx, SSL_SESS_CACHE_OFF);
|
|
|
1347 return NGX_OK;
|
|
|
1348 }
|
|
|
1349
|
|
378
|
1350 if (builtin_session_cache == NGX_SSL_NONE_SCACHE) {
|
|
|
1351
|
|
|
1352 /*
|
|
|
1353 * If the server explicitly says that it does not support
|
|
|
1354 * session reuse (see SSL_SESS_CACHE_OFF above), then
|
|
|
1355 * Outlook Express fails to upload a sent email to
|
|
|
1356 * the Sent Items folder on the IMAP server via a separate IMAP
|
|
|
1357 * connection in the background. Therefore we have a special
|
|
|
1358 * mode (SSL_SESS_CACHE_SERVER|SSL_SESS_CACHE_NO_INTERNAL_STORE)
|
|
|
1359 * where the server pretends that it supports session reuse,
|
|
|
1360 * but it does not actually store any session.
|
|
|
1361 */
|
|
|
1362
|
|
|
1363 SSL_CTX_set_session_cache_mode(ssl->ctx,
|
|
|
1364 SSL_SESS_CACHE_SERVER
|
|
|
1365 |SSL_SESS_CACHE_NO_AUTO_CLEAR
|
|
|
1366 |SSL_SESS_CACHE_NO_INTERNAL_STORE);
|
|
|
1367
|
|
|
1368 SSL_CTX_sess_set_cache_size(ssl->ctx, 1);
|
|
|
1369
|
|
|
1370 return NGX_OK;
|
|
|
1371 }
|
|
|
1372
|
|
272
|
1373 cache_mode = SSL_SESS_CACHE_SERVER;
|
|
|
1374
|
|
|
1375 if (shm_zone && builtin_session_cache == NGX_SSL_NO_BUILTIN_SCACHE) {
|
|
|
1376 cache_mode |= SSL_SESS_CACHE_NO_INTERNAL;
|
|
|
1377 }
|
|
|
1378
|
|
|
1379 SSL_CTX_set_session_cache_mode(ssl->ctx, cache_mode);
|
|
|
1380
|
|
|
1381 SSL_CTX_set_session_id_context(ssl->ctx, sess_ctx->data, sess_ctx->len);
|
|
|
1382
|
|
|
1383 if (builtin_session_cache != NGX_SSL_NO_BUILTIN_SCACHE) {
|
|
|
1384
|
|
|
1385 if (builtin_session_cache != NGX_SSL_DFLT_BUILTIN_SCACHE) {
|
|
|
1386 SSL_CTX_sess_set_cache_size(ssl->ctx, builtin_session_cache);
|
|
|
1387 }
|
|
|
1388 }
|
|
|
1389
|
|
274
|
1390 SSL_CTX_set_timeout(ssl->ctx, timeout);
|
|
|
1391
|
|
272
|
1392 if (shm_zone) {
|
|
|
1393 shm_zone->init = ngx_ssl_session_cache_init;
|
|
|
1394
|
|
|
1395 SSL_CTX_sess_set_new_cb(ssl->ctx, ngx_ssl_new_session);
|
|
|
1396 SSL_CTX_sess_set_get_cb(ssl->ctx, ngx_ssl_get_cached_session);
|
|
|
1397 SSL_CTX_sess_set_remove_cb(ssl->ctx, ngx_ssl_remove_session);
|
|
|
1398
|
|
|
1399 if (SSL_CTX_set_ex_data(ssl->ctx, ngx_ssl_session_cache_index, shm_zone)
|
|
|
1400 == 0)
|
|
|
1401 {
|
|
|
1402 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
|
|
|
1403 "SSL_CTX_set_ex_data() failed");
|
|
|
1404 return NGX_ERROR;
|
|
|
1405 }
|
|
|
1406 }
|
|
|
1407
|
|
|
1408 return NGX_OK;
|
|
|
1409 }
|
|
|
1410
|
|
|
1411
|
|
|
1412 static ngx_int_t
|
|
|
1413 ngx_ssl_session_cache_init(ngx_shm_zone_t *shm_zone, void *data)
|
|
|
1414 {
|
|
|
1415 ngx_slab_pool_t *shpool;
|
|
|
1416 ngx_ssl_session_cache_t *cache;
|
|
|
1417
|
|
|
1418 if (data) {
|
|
|
1419 shm_zone->data = data;
|
|
|
1420 return NGX_OK;
|
|
|
1421 }
|
|
|
1422
|
|
|
1423 shpool = (ngx_slab_pool_t *) shm_zone->shm.addr;
|
|
|
1424
|
|
|
1425 cache = ngx_slab_alloc(shpool, sizeof(ngx_ssl_session_cache_t));
|
|
|
1426 if (cache == NULL) {
|
|
|
1427 return NGX_ERROR;
|
|
|
1428 }
|
|
|
1429
|
|
358
|
1430 ngx_rbtree_init(&cache->session_rbtree, &cache->sentinel,
|
|
356
|
1431 ngx_ssl_session_rbtree_insert_value);
|
|
272
|
1432
|
|
358
|
1433 ngx_queue_init(&cache->expire_queue);
|
|
|
1434
|
|
272
|
1435 shm_zone->data = cache;
|
|
|
1436
|
|
|
1437 return NGX_OK;
|
|
|
1438 }
|
|
|
1439
|
|
|
1440
|
|
|
1441 /*
|
|
274
|
1442 * The length of the session id is 16 bytes for SSLv2 sessions and
|
|
|
1443 * between 1 and 32 bytes for SSLv3/TLSv1, typically 32 bytes.
|
|
|
1444 * It seems that the typical length of the external ASN1 representation
|
|
|
1445 * of a session is 118 or 119 bytes for SSLv3/TSLv1.
|
|
|
1446 *
|
|
|
1447 * Thus on 32-bit platforms we allocate separately an rbtree node,
|
|
|
1448 * a session id, and an ASN1 representation, they take accordingly
|
|
|
1449 * 64, 32, and 128 bytes.
|
|
|
1450 *
|
|
|
1451 * On 64-bit platforms we allocate separately an rbtree node + session_id,
|
|
|
1452 * and an ASN1 representation, they take accordingly 128 and 128 bytes.
|
|
|
1453 *
|
|
272
|
1454 * OpenSSL's i2d_SSL_SESSION() and d2i_SSL_SESSION are slow,
|
|
|
1455 * so they are outside the code locked by shared pool mutex
|
|
|
1456 */
|
|
|
1457
|
|
|
1458 static int
|
|
|
1459 ngx_ssl_new_session(ngx_ssl_conn_t *ssl_conn, ngx_ssl_session_t *sess)
|
|
|
1460 {
|
|
|
1461 int len;
|
|
274
|
1462 u_char *p, *id, *cached_sess;
|
|
272
|
1463 uint32_t hash;
|
|
|
1464 SSL_CTX *ssl_ctx;
|
|
|
1465 ngx_shm_zone_t *shm_zone;
|
|
|
1466 ngx_connection_t *c;
|
|
|
1467 ngx_slab_pool_t *shpool;
|
|
|
1468 ngx_ssl_sess_id_t *sess_id;
|
|
|
1469 ngx_ssl_session_cache_t *cache;
|
|
|
1470 u_char buf[NGX_SSL_MAX_SESSION_SIZE];
|
|
|
1471
|
|
|
1472 len = i2d_SSL_SESSION(sess, NULL);
|
|
|
1473
|
|
|
1474 /* do not cache too big session */
|
|
|
1475
|
|
|
1476 if (len > (int) NGX_SSL_MAX_SESSION_SIZE) {
|
|
|
1477 return 0;
|
|
|
1478 }
|
|
|
1479
|
|
|
1480 p = buf;
|
|
|
1481 i2d_SSL_SESSION(sess, &p);
|
|
|
1482
|
|
|
1483 c = ngx_ssl_get_connection(ssl_conn);
|
|
|
1484
|
|
|
1485 ssl_ctx = SSL_get_SSL_CTX(ssl_conn);
|
|
|
1486 shm_zone = SSL_CTX_get_ex_data(ssl_ctx, ngx_ssl_session_cache_index);
|
|
|
1487
|
|
|
1488 cache = shm_zone->data;
|
|
|
1489 shpool = (ngx_slab_pool_t *) shm_zone->shm.addr;
|
|
|
1490
|
|
|
1491 ngx_shmtx_lock(&shpool->mutex);
|
|
|
1492
|
|
|
1493 /* drop one or two expired sessions */
|
|
|
1494 ngx_ssl_expire_sessions(cache, shpool, 1);
|
|
|
1495
|
|
274
|
1496 cached_sess = ngx_slab_alloc_locked(shpool, len);
|
|
272
|
1497
|
|
|
1498 if (cached_sess == NULL) {
|
|
|
1499
|
|
|
1500 /* drop the oldest non-expired session and try once more */
|
|
|
1501
|
|
|
1502 ngx_ssl_expire_sessions(cache, shpool, 0);
|
|
|
1503
|
|
274
|
1504 cached_sess = ngx_slab_alloc_locked(shpool, len);
|
|
272
|
1505
|
|
|
1506 if (cached_sess == NULL) {
|
|
274
|
1507 sess_id = NULL;
|
|
272
|
1508 goto failed;
|
|
|
1509 }
|
|
|
1510 }
|
|
|
1511
|
|
|
1512 sess_id = ngx_slab_alloc_locked(shpool, sizeof(ngx_ssl_sess_id_t));
|
|
|
1513 if (sess_id == NULL) {
|
|
|
1514 goto failed;
|
|
|
1515 }
|
|
|
1516
|
|
274
|
1517 #if (NGX_PTR_SIZE == 8)
|
|
|
1518
|
|
|
1519 id = sess_id->sess_id;
|
|
|
1520
|
|
|
1521 #else
|
|
|
1522
|
|
|
1523 id = ngx_slab_alloc_locked(shpool, sess->session_id_length);
|
|
|
1524 if (id == NULL) {
|
|
|
1525 goto failed;
|
|
|
1526 }
|
|
|
1527
|
|
|
1528 #endif
|
|
|
1529
|
|
|
1530 ngx_memcpy(cached_sess, buf, len);
|
|
272
|
1531
|
|
|
1532 ngx_memcpy(id, sess->session_id, sess->session_id_length);
|
|
|
1533
|
|
|
1534 hash = ngx_crc32_short(sess->session_id, sess->session_id_length);
|
|
|
1535
|
|
|
1536 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
|
1537 "http ssl new session: %08XD:%d:%d",
|
|
|
1538 hash, sess->session_id_length, len);
|
|
|
1539
|
|
|
1540 sess_id->node.key = hash;
|
|
|
1541 sess_id->node.data = (u_char) sess->session_id_length;
|
|
|
1542 sess_id->id = id;
|
|
|
1543 sess_id->len = len;
|
|
|
1544 sess_id->session = cached_sess;
|
|
|
1545
|
|
358
|
1546 sess_id->expire = ngx_time() + SSL_CTX_get_timeout(ssl_ctx);
|
|
|
1547
|
|
|
1548 ngx_queue_insert_head(&cache->expire_queue, &sess_id->queue);
|
|
|
1549
|
|
|
1550 ngx_rbtree_insert(&cache->session_rbtree, &sess_id->node);
|
|
272
|
1551
|
|
|
1552 ngx_shmtx_unlock(&shpool->mutex);
|
|
|
1553
|
|
|
1554 return 0;
|
|
|
1555
|
|
|
1556 failed:
|
|
|
1557
|
|
|
1558 if (cached_sess) {
|
|
|
1559 ngx_slab_free_locked(shpool, cached_sess);
|
|
|
1560 }
|
|
|
1561
|
|
274
|
1562 if (sess_id) {
|
|
|
1563 ngx_slab_free_locked(shpool, sess_id);
|
|
272
|
1564 }
|
|
|
1565
|
|
|
1566 ngx_shmtx_unlock(&shpool->mutex);
|
|
|
1567
|
|
|
1568 ngx_log_error(NGX_LOG_ALERT, c->log, 0,
|
|
|
1569 "could not add new SSL session to the session cache");
|
|
|
1570
|
|
|
1571 return 0;
|
|
|
1572 }
|
|
|
1573
|
|
|
1574
|
|
|
1575 static ngx_ssl_session_t *
|
|
|
1576 ngx_ssl_get_cached_session(ngx_ssl_conn_t *ssl_conn, u_char *id, int len,
|
|
|
1577 int *copy)
|
|
|
1578 {
|
|
|
1579 #if OPENSSL_VERSION_NUMBER >= 0x0090707fL
|
|
|
1580 const
|
|
|
1581 #endif
|
|
|
1582 u_char *p;
|
|
|
1583 uint32_t hash;
|
|
274
|
1584 ngx_int_t rc;
|
|
272
|
1585 ngx_shm_zone_t *shm_zone;
|
|
|
1586 ngx_slab_pool_t *shpool;
|
|
|
1587 ngx_connection_t *c;
|
|
|
1588 ngx_rbtree_node_t *node, *sentinel;
|
|
|
1589 ngx_ssl_session_t *sess;
|
|
|
1590 ngx_ssl_sess_id_t *sess_id;
|
|
|
1591 ngx_ssl_session_cache_t *cache;
|
|
|
1592 u_char buf[NGX_SSL_MAX_SESSION_SIZE];
|
|
|
1593
|
|
|
1594 c = ngx_ssl_get_connection(ssl_conn);
|
|
|
1595
|
|
274
|
1596 hash = ngx_crc32_short(id, (size_t) len);
|
|
272
|
1597 *copy = 0;
|
|
|
1598
|
|
|
1599 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
|
1600 "http ssl get session: %08XD:%d", hash, len);
|
|
|
1601
|
|
|
1602 shm_zone = SSL_CTX_get_ex_data(SSL_get_SSL_CTX(ssl_conn),
|
|
|
1603 ngx_ssl_session_cache_index);
|
|
|
1604
|
|
|
1605 cache = shm_zone->data;
|
|
|
1606
|
|
|
1607 sess = NULL;
|
|
|
1608
|
|
|
1609 shpool = (ngx_slab_pool_t *) shm_zone->shm.addr;
|
|
|
1610
|
|
|
1611 ngx_shmtx_lock(&shpool->mutex);
|
|
|
1612
|
|
358
|
1613 node = cache->session_rbtree.root;
|
|
|
1614 sentinel = cache->session_rbtree.sentinel;
|
|
272
|
1615
|
|
|
1616 while (node != sentinel) {
|
|
|
1617
|
|
|
1618 if (hash < node->key) {
|
|
|
1619 node = node->left;
|
|
|
1620 continue;
|
|
|
1621 }
|
|
|
1622
|
|
|
1623 if (hash > node->key) {
|
|
|
1624 node = node->right;
|
|
|
1625 continue;
|
|
|
1626 }
|
|
|
1627
|
|
274
|
1628 /* hash == node->key */
|
|
|
1629
|
|
|
1630 do {
|
|
272
|
1631 sess_id = (ngx_ssl_sess_id_t *) node;
|
|
|
1632
|
|
274
|
1633 rc = ngx_memn2cmp(id, sess_id->id,
|
|
|
1634 (size_t) len, (size_t) node->data);
|
|
|
1635 if (rc == 0) {
|
|
272
|
1636
|
|
358
|
1637 if (sess_id->expire > ngx_time()) {
|
|
274
|
1638 ngx_memcpy(buf, sess_id->session, sess_id->len);
|
|
272
|
1639
|
|
|
1640 ngx_shmtx_unlock(&shpool->mutex);
|
|
|
1641
|
|
|
1642 p = buf;
|
|
|
1643 sess = d2i_SSL_SESSION(NULL, &p, sess_id->len);
|
|
|
1644
|
|
|
1645 return sess;
|
|
|
1646 }
|
|
|
1647
|
|
358
|
1648 ngx_queue_remove(&sess_id->queue);
|
|
|
1649
|
|
|
1650 ngx_rbtree_delete(&cache->session_rbtree, node);
|
|
272
|
1651
|
|
274
|
1652 ngx_slab_free_locked(shpool, sess_id->session);
|
|
|
1653 #if (NGX_PTR_SIZE == 4)
|
|
272
|
1654 ngx_slab_free_locked(shpool, sess_id->id);
|
|
274
|
1655 #endif
|
|
272
|
1656 ngx_slab_free_locked(shpool, sess_id);
|
|
|
1657
|
|
|
1658 sess = NULL;
|
|
|
1659
|
|
274
|
1660 goto done;
|
|
272
|
1661 }
|
|
274
|
1662
|
|
|
1663 node = (rc < 0) ? node->left : node->right;
|
|
|
1664
|
|
|
1665 } while (node != sentinel && hash == node->key);
|
|
|
1666
|
|
|
1667 break;
|
|
272
|
1668 }
|
|
|
1669
|
|
274
|
1670 done:
|
|
|
1671
|
|
272
|
1672 ngx_shmtx_unlock(&shpool->mutex);
|
|
|
1673
|
|
|
1674 return sess;
|
|
|
1675 }
|
|
|
1676
|
|
|
1677
|
|
366
|
1678 void
|
|
|
1679 ngx_ssl_remove_cached_session(SSL_CTX *ssl, ngx_ssl_session_t *sess)
|
|
|
1680 {
|
|
|
1681 SSL_CTX_remove_session(ssl, sess);
|
|
|
1682
|
|
|
1683 ngx_ssl_remove_session(ssl, sess);
|
|
|
1684 }
|
|
|
1685
|
|
|
1686
|
|
272
|
1687 static void
|
|
|
1688 ngx_ssl_remove_session(SSL_CTX *ssl, ngx_ssl_session_t *sess)
|
|
|
1689 {
|
|
274
|
1690 size_t len;
|
|
|
1691 u_char *id;
|
|
272
|
1692 uint32_t hash;
|
|
274
|
1693 ngx_int_t rc;
|
|
272
|
1694 ngx_shm_zone_t *shm_zone;
|
|
|
1695 ngx_slab_pool_t *shpool;
|
|
|
1696 ngx_rbtree_node_t *node, *sentinel;
|
|
|
1697 ngx_ssl_sess_id_t *sess_id;
|
|
|
1698 ngx_ssl_session_cache_t *cache;
|
|
|
1699
|
|
|
1700 shm_zone = SSL_CTX_get_ex_data(ssl, ngx_ssl_session_cache_index);
|
|
|
1701
|
|
366
|
1702 if (shm_zone == NULL) {
|
|
|
1703 return;
|
|
|
1704 }
|
|
|
1705
|
|
272
|
1706 cache = shm_zone->data;
|
|
|
1707
|
|
|
1708 id = sess->session_id;
|
|
274
|
1709 len = (size_t) sess->session_id_length;
|
|
|
1710
|
|
|
1711 hash = ngx_crc32_short(id, len);
|
|
272
|
1712
|
|
|
1713 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ngx_cycle->log, 0,
|
|
274
|
1714 "http ssl remove session: %08XD:%uz", hash, len);
|
|
272
|
1715
|
|
|
1716 shpool = (ngx_slab_pool_t *) shm_zone->shm.addr;
|
|
|
1717
|
|
|
1718 ngx_shmtx_lock(&shpool->mutex);
|
|
|
1719
|
|
358
|
1720 node = cache->session_rbtree.root;
|
|
|
1721 sentinel = cache->session_rbtree.sentinel;
|
|
272
|
1722
|
|
|
1723 while (node != sentinel) {
|
|
|
1724
|
|
|
1725 if (hash < node->key) {
|
|
|
1726 node = node->left;
|
|
|
1727 continue;
|
|
|
1728 }
|
|
|
1729
|
|
|
1730 if (hash > node->key) {
|
|
|
1731 node = node->right;
|
|
|
1732 continue;
|
|
|
1733 }
|
|
|
1734
|
|
274
|
1735 /* hash == node->key */
|
|
|
1736
|
|
|
1737 do {
|
|
272
|
1738 sess_id = (ngx_ssl_sess_id_t *) node;
|
|
|
1739
|
|
274
|
1740 rc = ngx_memn2cmp(id, sess_id->id, len, (size_t) node->data);
|
|
|
1741
|
|
|
1742 if (rc == 0) {
|
|
358
|
1743
|
|
|
1744 ngx_queue_remove(&sess_id->queue);
|
|
|
1745
|
|
|
1746 ngx_rbtree_delete(&cache->session_rbtree, node);
|
|
272
|
1747
|
|
274
|
1748 ngx_slab_free_locked(shpool, sess_id->session);
|
|
|
1749 #if (NGX_PTR_SIZE == 4)
|
|
272
|
1750 ngx_slab_free_locked(shpool, sess_id->id);
|
|
274
|
1751 #endif
|
|
272
|
1752 ngx_slab_free_locked(shpool, sess_id);
|
|
|
1753
|
|
274
|
1754 goto done;
|
|
272
|
1755 }
|
|
274
|
1756
|
|
|
1757 node = (rc < 0) ? node->left : node->right;
|
|
|
1758
|
|
|
1759 } while (node != sentinel && hash == node->key);
|
|
|
1760
|
|
|
1761 break;
|
|
272
|
1762 }
|
|
|
1763
|
|
274
|
1764 done:
|
|
|
1765
|
|
272
|
1766 ngx_shmtx_unlock(&shpool->mutex);
|
|
|
1767 }
|
|
|
1768
|
|
|
1769
|
|
|
1770 static void
|
|
|
1771 ngx_ssl_expire_sessions(ngx_ssl_session_cache_t *cache,
|
|
|
1772 ngx_slab_pool_t *shpool, ngx_uint_t n)
|
|
|
1773 {
|
|
358
|
1774 time_t now;
|
|
|
1775 ngx_queue_t *q;
|
|
274
|
1776 ngx_ssl_sess_id_t *sess_id;
|
|
272
|
1777
|
|
358
|
1778 now = ngx_time();
|
|
272
|
1779
|
|
|
1780 while (n < 3) {
|
|
|
1781
|
|
358
|
1782 if (ngx_queue_empty(&cache->expire_queue)) {
|
|
272
|
1783 return;
|
|
|
1784 }
|
|
|
1785
|
|
358
|
1786 q = ngx_queue_last(&cache->expire_queue);
|
|
|
1787
|
|
|
1788 sess_id = ngx_queue_data(q, ngx_ssl_sess_id_t, queue);
|
|
|
1789
|
|
|
1790 if (n++ != 0 && sess_id->expire > now) {
|
|
332
|
1791 return;
|
|
272
|
1792 }
|
|
|
1793
|
|
358
|
1794 ngx_queue_remove(q);
|
|
272
|
1795
|
|
|
1796 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, ngx_cycle->log, 0,
|
|
|
1797 "expire session: %08Xi", sess_id->node.key);
|
|
|
1798
|
|
358
|
1799 ngx_rbtree_delete(&cache->session_rbtree, &sess_id->node);
|
|
|
1800
|
|
274
|
1801 ngx_slab_free_locked(shpool, sess_id->session);
|
|
|
1802 #if (NGX_PTR_SIZE == 4)
|
|
272
|
1803 ngx_slab_free_locked(shpool, sess_id->id);
|
|
274
|
1804 #endif
|
|
272
|
1805 ngx_slab_free_locked(shpool, sess_id);
|
|
|
1806 }
|
|
|
1807 }
|
|
|
1808
|
|
|
1809
|
|
274
|
1810 static void
|
|
|
1811 ngx_ssl_session_rbtree_insert_value(ngx_rbtree_node_t *temp,
|
|
|
1812 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel)
|
|
|
1813 {
|
|
356
|
1814 ngx_rbtree_node_t **p;
|
|
|
1815 ngx_ssl_sess_id_t *sess_id, *sess_id_temp;
|
|
274
|
1816
|
|
|
1817 for ( ;; ) {
|
|
|
1818
|
|
|
1819 if (node->key < temp->key) {
|
|
|
1820
|
|
356
|
1821 p = &temp->left;
|
|
274
|
1822
|
|
|
1823 } else if (node->key > temp->key) {
|
|
|
1824
|
|
356
|
1825 p = &temp->right;
|
|
274
|
1826
|
|
|
1827 } else { /* node->key == temp->key */
|
|
|
1828
|
|
|
1829 sess_id = (ngx_ssl_sess_id_t *) node;
|
|
|
1830 sess_id_temp = (ngx_ssl_sess_id_t *) temp;
|
|
|
1831
|
|
356
|
1832 p = (ngx_memn2cmp(sess_id->id, sess_id_temp->id,
|
|
|
1833 (size_t) node->data, (size_t) temp->data)
|
|
|
1834 < 0) ? &temp->left : &temp->right;
|
|
274
|
1835 }
|
|
356
|
1836
|
|
|
1837 if (*p == sentinel) {
|
|
|
1838 break;
|
|
|
1839 }
|
|
|
1840
|
|
|
1841 temp = *p;
|
|
274
|
1842 }
|
|
|
1843
|
|
356
|
1844 *p = node;
|
|
274
|
1845 node->parent = temp;
|
|
|
1846 node->left = sentinel;
|
|
|
1847 node->right = sentinel;
|
|
|
1848 ngx_rbt_red(node);
|
|
276
|
1849 }
|
|
274
|
1850
|
|
|
1851
|
|
58
|
1852 void
|
|
|
1853 ngx_ssl_cleanup_ctx(void *data)
|
|
|
1854 {
|
|
138
|
1855 ngx_ssl_t *ssl = data;
|
|
58
|
1856
|
|
138
|
1857 SSL_CTX_free(ssl->ctx);
|
|
58
|
1858 }
|
|
90
|
1859
|
|
|
1860
|
|
220
|
1861 ngx_int_t
|
|
|
1862 ngx_ssl_get_protocol(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
|
|
160
|
1863 {
|
|
220
|
1864 s->data = (u_char *) SSL_get_version(c->ssl->connection);
|
|
|
1865 return NGX_OK;
|
|
160
|
1866 }
|
|
|
1867
|
|
|
1868
|
|
220
|
1869 ngx_int_t
|
|
|
1870 ngx_ssl_get_cipher_name(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
|
|
160
|
1871 {
|
|
220
|
1872 s->data = (u_char *) SSL_get_cipher_name(c->ssl->connection);
|
|
|
1873 return NGX_OK;
|
|
160
|
1874 }
|
|
|
1875
|
|
|
1876
|
|
196
|
1877 ngx_int_t
|
|
390
|
1878 ngx_ssl_get_raw_certificate(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
|
|
380
|
1879 {
|
|
|
1880 size_t len;
|
|
|
1881 BIO *bio;
|
|
|
1882 X509 *cert;
|
|
|
1883
|
|
|
1884 s->len = 0;
|
|
|
1885
|
|
|
1886 cert = SSL_get_peer_certificate(c->ssl->connection);
|
|
|
1887 if (cert == NULL) {
|
|
|
1888 return NGX_OK;
|
|
|
1889 }
|
|
|
1890
|
|
|
1891 bio = BIO_new(BIO_s_mem());
|
|
|
1892 if (bio == NULL) {
|
|
|
1893 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "BIO_new() failed");
|
|
|
1894 X509_free(cert);
|
|
|
1895 return NGX_ERROR;
|
|
|
1896 }
|
|
|
1897
|
|
|
1898 if (PEM_write_bio_X509(bio, cert) == 0) {
|
|
|
1899 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "PEM_write_bio_X509() failed");
|
|
|
1900 goto failed;
|
|
|
1901 }
|
|
|
1902
|
|
|
1903 len = BIO_pending(bio);
|
|
|
1904 s->len = len;
|
|
|
1905
|
|
382
|
1906 s->data = ngx_pnalloc(pool, len);
|
|
380
|
1907 if (s->data == NULL) {
|
|
|
1908 goto failed;
|
|
|
1909 }
|
|
|
1910
|
|
|
1911 BIO_read(bio, s->data, len);
|
|
|
1912
|
|
|
1913 BIO_free(bio);
|
|
|
1914 X509_free(cert);
|
|
|
1915
|
|
|
1916 return NGX_OK;
|
|
|
1917
|
|
|
1918 failed:
|
|
|
1919
|
|
|
1920 BIO_free(bio);
|
|
|
1921 X509_free(cert);
|
|
|
1922
|
|
|
1923 return NGX_ERROR;
|
|
|
1924 }
|
|
|
1925
|
|
|
1926
|
|
|
1927 ngx_int_t
|
|
390
|
1928 ngx_ssl_get_certificate(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
|
|
|
1929 {
|
|
|
1930 u_char *p;
|
|
|
1931 size_t len;
|
|
|
1932 ngx_uint_t i;
|
|
|
1933 ngx_str_t cert;
|
|
|
1934
|
|
|
1935 if (ngx_ssl_get_raw_certificate(c, pool, &cert) != NGX_OK) {
|
|
|
1936 return NGX_ERROR;
|
|
|
1937 }
|
|
|
1938
|
|
|
1939 if (cert.len == 0) {
|
|
|
1940 s->len = 0;
|
|
|
1941 return NGX_OK;
|
|
|
1942 }
|
|
|
1943
|
|
|
1944 len = cert.len - 1;
|
|
|
1945
|
|
|
1946 for (i = 0; i < cert.len - 1; i++) {
|
|
|
1947 if (cert.data[i] == LF) {
|
|
|
1948 len++;
|
|
|
1949 }
|
|
|
1950 }
|
|
|
1951
|
|
|
1952 s->len = len;
|
|
|
1953 s->data = ngx_pnalloc(pool, len);
|
|
|
1954 if (s->data == NULL) {
|
|
|
1955 return NGX_ERROR;
|
|
|
1956 }
|
|
|
1957
|
|
|
1958 p = s->data;
|
|
|
1959
|
|
|
1960 for (i = 0; i < len; i++) {
|
|
|
1961 *p++ = cert.data[i];
|
|
|
1962 if (cert.data[i] == LF) {
|
|
|
1963 *p++ = '\t';
|
|
|
1964 }
|
|
|
1965 }
|
|
|
1966
|
|
|
1967 return NGX_OK;
|
|
|
1968 }
|
|
|
1969
|
|
|
1970
|
|
|
1971 ngx_int_t
|
|
196
|
1972 ngx_ssl_get_subject_dn(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
|
|
|
1973 {
|
|
|
1974 char *p;
|
|
|
1975 size_t len;
|
|
|
1976 X509 *cert;
|
|
|
1977 X509_NAME *name;
|
|
|
1978
|
|
|
1979 s->len = 0;
|
|
|
1980
|
|
|
1981 cert = SSL_get_peer_certificate(c->ssl->connection);
|
|
|
1982 if (cert == NULL) {
|
|
|
1983 return NGX_OK;
|
|
|
1984 }
|
|
|
1985
|
|
|
1986 name = X509_get_subject_name(cert);
|
|
|
1987 if (name == NULL) {
|
|
372
|
1988 X509_free(cert);
|
|
196
|
1989 return NGX_ERROR;
|
|
|
1990 }
|
|
|
1991
|
|
|
1992 p = X509_NAME_oneline(name, NULL, 0);
|
|
|
1993
|
|
|
1994 for (len = 0; p[len]; len++) { /* void */ }
|
|
|
1995
|
|
|
1996 s->len = len;
|
|
382
|
1997 s->data = ngx_pnalloc(pool, len);
|
|
196
|
1998 if (s->data == NULL) {
|
|
|
1999 OPENSSL_free(p);
|
|
372
|
2000 X509_free(cert);
|
|
196
|
2001 return NGX_ERROR;
|
|
|
2002 }
|
|
|
2003
|
|
|
2004 ngx_memcpy(s->data, p, len);
|
|
|
2005
|
|
|
2006 OPENSSL_free(p);
|
|
372
|
2007 X509_free(cert);
|
|
196
|
2008
|
|
|
2009 return NGX_OK;
|
|
|
2010 }
|
|
|
2011
|
|
|
2012
|
|
|
2013 ngx_int_t
|
|
|
2014 ngx_ssl_get_issuer_dn(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
|
|
|
2015 {
|
|
|
2016 char *p;
|
|
|
2017 size_t len;
|
|
|
2018 X509 *cert;
|
|
|
2019 X509_NAME *name;
|
|
|
2020
|
|
|
2021 s->len = 0;
|
|
|
2022
|
|
|
2023 cert = SSL_get_peer_certificate(c->ssl->connection);
|
|
|
2024 if (cert == NULL) {
|
|
|
2025 return NGX_OK;
|
|
|
2026 }
|
|
|
2027
|
|
|
2028 name = X509_get_issuer_name(cert);
|
|
|
2029 if (name == NULL) {
|
|
372
|
2030 X509_free(cert);
|
|
196
|
2031 return NGX_ERROR;
|
|
|
2032 }
|
|
|
2033
|
|
|
2034 p = X509_NAME_oneline(name, NULL, 0);
|
|
|
2035
|
|
|
2036 for (len = 0; p[len]; len++) { /* void */ }
|
|
|
2037
|
|
|
2038 s->len = len;
|
|
382
|
2039 s->data = ngx_pnalloc(pool, len);
|
|
196
|
2040 if (s->data == NULL) {
|
|
|
2041 OPENSSL_free(p);
|
|
372
|
2042 X509_free(cert);
|
|
196
|
2043 return NGX_ERROR;
|
|
|
2044 }
|
|
|
2045
|
|
|
2046 ngx_memcpy(s->data, p, len);
|
|
|
2047
|
|
|
2048 OPENSSL_free(p);
|
|
372
|
2049 X509_free(cert);
|
|
196
|
2050
|
|
|
2051 return NGX_OK;
|
|
|
2052 }
|
|
|
2053
|
|
|
2054
|
|
220
|
2055 ngx_int_t
|
|
|
2056 ngx_ssl_get_serial_number(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
|
|
|
2057 {
|
|
|
2058 size_t len;
|
|
|
2059 X509 *cert;
|
|
|
2060 BIO *bio;
|
|
|
2061
|
|
|
2062 s->len = 0;
|
|
|
2063
|
|
|
2064 cert = SSL_get_peer_certificate(c->ssl->connection);
|
|
|
2065 if (cert == NULL) {
|
|
|
2066 return NGX_OK;
|
|
|
2067 }
|
|
|
2068
|
|
|
2069 bio = BIO_new(BIO_s_mem());
|
|
|
2070 if (bio == NULL) {
|
|
372
|
2071 X509_free(cert);
|
|
220
|
2072 return NGX_ERROR;
|
|
|
2073 }
|
|
|
2074
|
|
|
2075 i2a_ASN1_INTEGER(bio, X509_get_serialNumber(cert));
|
|
|
2076 len = BIO_pending(bio);
|
|
|
2077
|
|
|
2078 s->len = len;
|
|
382
|
2079 s->data = ngx_pnalloc(pool, len);
|
|
220
|
2080 if (s->data == NULL) {
|
|
|
2081 BIO_free(bio);
|
|
372
|
2082 X509_free(cert);
|
|
220
|
2083 return NGX_ERROR;
|
|
|
2084 }
|
|
|
2085
|
|
|
2086 BIO_read(bio, s->data, len);
|
|
|
2087 BIO_free(bio);
|
|
372
|
2088 X509_free(cert);
|
|
220
|
2089
|
|
|
2090 return NGX_OK;
|
|
|
2091 }
|
|
|
2092
|
|
|
2093
|
|
90
|
2094 static void *
|
|
|
2095 ngx_openssl_create_conf(ngx_cycle_t *cycle)
|
|
|
2096 {
|
|
|
2097 ngx_openssl_conf_t *oscf;
|
|
126
|
2098
|
|
90
|
2099 oscf = ngx_pcalloc(cycle->pool, sizeof(ngx_openssl_conf_t));
|
|
|
2100 if (oscf == NULL) {
|
|
|
2101 return NGX_CONF_ERROR;
|
|
|
2102 }
|
|
126
|
2103
|
|
90
|
2104 /*
|
|
|
2105 * set by ngx_pcalloc():
|
|
126
|
2106 *
|
|
446
|
2107 * oscf->engine = 0;
|
|
126
|
2108 */
|
|
90
|
2109
|
|
|
2110 return oscf;
|
|
|
2111 }
|
|
|
2112
|
|
|
2113
|
|
|
2114 static char *
|
|
446
|
2115 ngx_openssl_engine(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
90
|
2116 {
|
|
|
2117 #if (NGX_SSL_ENGINE)
|
|
|
2118 ngx_openssl_conf_t *oscf = conf;
|
|
120
|
2119
|
|
446
|
2120 ENGINE *engine;
|
|
|
2121 ngx_str_t *value;
|
|
|
2122
|
|
|
2123 if (oscf->engine) {
|
|
|
2124 return "is duplicate";
|
|
90
|
2125 }
|
|
126
|
2126
|
|
446
|
2127 oscf->engine = 1;
|
|
|
2128
|
|
|
2129 value = cf->args->elts;
|
|
|
2130
|
|
|
2131 engine = ENGINE_by_id((const char *) value[1].data);
|
|
90
|
2132
|
|
|
2133 if (engine == NULL) {
|
|
446
|
2134 ngx_ssl_error(NGX_LOG_WARN, cf->log, 0,
|
|
|
2135 "ENGINE_by_id(\"%V\") failed", &value[1]);
|
|
90
|
2136 return NGX_CONF_ERROR;
|
|
|
2137 }
|
|
|
2138
|
|
|
2139 if (ENGINE_set_default(engine, ENGINE_METHOD_ALL) == 0) {
|
|
446
|
2140 ngx_ssl_error(NGX_LOG_WARN, cf->log, 0,
|
|
90
|
2141 "ENGINE_set_default(\"%V\", ENGINE_METHOD_ALL) failed",
|
|
446
|
2142 &value[1]);
|
|
|
2143
|
|
|
2144 ENGINE_free(engine);
|
|
|
2145
|
|
90
|
2146 return NGX_CONF_ERROR;
|
|
|
2147 }
|
|
|
2148
|
|
|
2149 ENGINE_free(engine);
|
|
|
2150
|
|
|
2151 return NGX_CONF_OK;
|
|
446
|
2152
|
|
|
2153 #else
|
|
|
2154
|
|
90
|
2155 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
112
|
2156 "\"ssl_engine\" directive is available only in "
|
|
|
2157 "OpenSSL 0.9.7 and higher,");
|
|
90
|
2158
|
|
|
2159 return NGX_CONF_ERROR;
|
|
|
2160
|
|
|
2161 #endif
|
|
446
|
2162 }
|
|
120
|
2163
|
|
|
2164
|
|
|
2165 static void
|
|
|
2166 ngx_openssl_exit(ngx_cycle_t *cycle)
|
|
|
2167 {
|
|
|
2168 #if (NGX_SSL_ENGINE)
|
|
|
2169 ENGINE_cleanup();
|
|
|
2170 #endif
|
|
|
2171 }
|
