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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 OPENSSL_config(NULL);
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101
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0
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102 SSL_library_init();
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103 SSL_load_error_strings();
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90
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104
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28
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105 ENGINE_load_builtin_engines();
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0
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106
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272
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107 ngx_ssl_connection_index = SSL_get_ex_new_index(0, NULL, NULL, NULL, NULL);
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108
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109 if (ngx_ssl_connection_index == -1) {
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110 ngx_ssl_error(NGX_LOG_ALERT, log, 0, "SSL_get_ex_new_index() failed");
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111 return NGX_ERROR;
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112 }
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220
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113
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272
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114 ngx_ssl_server_conf_index = SSL_CTX_get_ex_new_index(0, NULL, NULL, NULL,
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115 NULL);
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116 if (ngx_ssl_server_conf_index == -1) {
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117 ngx_ssl_error(NGX_LOG_ALERT, log, 0,
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118 "SSL_CTX_get_ex_new_index() failed");
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119 return NGX_ERROR;
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120 }
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121
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122 ngx_ssl_session_cache_index = SSL_CTX_get_ex_new_index(0, NULL, NULL, NULL,
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123 NULL);
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124 if (ngx_ssl_session_cache_index == -1) {
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125 ngx_ssl_error(NGX_LOG_ALERT, log, 0,
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126 "SSL_CTX_get_ex_new_index() failed");
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220
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127 return NGX_ERROR;
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128 }
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129
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0
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130 return NGX_OK;
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131 }
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132
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133
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38
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134 ngx_int_t
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272
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135 ngx_ssl_create(ngx_ssl_t *ssl, ngx_uint_t protocols, void *data)
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96
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136 {
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126
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137 ssl->ctx = SSL_CTX_new(SSLv23_method());
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96
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138
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139 if (ssl->ctx == NULL) {
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140 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0, "SSL_CTX_new() failed");
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141 return NGX_ERROR;
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142 }
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143
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272
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144 if (SSL_CTX_set_ex_data(ssl->ctx, ngx_ssl_server_conf_index, data) == 0) {
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145 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
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146 "SSL_CTX_set_ex_data() failed");
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147 return NGX_ERROR;
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148 }
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149
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126
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150 /* client side options */
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151
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152 SSL_CTX_set_options(ssl->ctx, SSL_OP_MICROSOFT_SESS_ID_BUG);
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153 SSL_CTX_set_options(ssl->ctx, SSL_OP_NETSCAPE_CHALLENGE_BUG);
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154 SSL_CTX_set_options(ssl->ctx, SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG);
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155
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156 /* server side options */
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112
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157
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158 SSL_CTX_set_options(ssl->ctx, SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG);
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159 SSL_CTX_set_options(ssl->ctx, SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER);
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160
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161 /* this option allow a potential SSL 2.0 rollback (CAN-2005-2969) */
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162 SSL_CTX_set_options(ssl->ctx, SSL_OP_MSIE_SSLV2_RSA_PADDING);
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163
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164 SSL_CTX_set_options(ssl->ctx, SSL_OP_SSLEAY_080_CLIENT_DH_BUG);
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165 SSL_CTX_set_options(ssl->ctx, SSL_OP_TLS_D5_BUG);
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166 SSL_CTX_set_options(ssl->ctx, SSL_OP_TLS_BLOCK_PADDING_BUG);
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167
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168 SSL_CTX_set_options(ssl->ctx, SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS);
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169
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380
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170 SSL_CTX_set_options(ssl->ctx, SSL_OP_SINGLE_DH_USE);
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96
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171
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172 if (ngx_ssl_protocols[protocols >> 1] != 0) {
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173 SSL_CTX_set_options(ssl->ctx, ngx_ssl_protocols[protocols >> 1]);
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174 }
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175
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176 SSL_CTX_set_read_ahead(ssl->ctx, 1);
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177
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178 return NGX_OK;
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179 }
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180
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181
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182 ngx_int_t
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112
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183 ngx_ssl_certificate(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_str_t *cert,
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184 ngx_str_t *key)
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96
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185 {
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454
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186 if (ngx_conf_full_name(cf->cycle, cert, 1) != NGX_OK) {
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96
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187 return NGX_ERROR;
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188 }
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189
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112
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190 if (SSL_CTX_use_certificate_chain_file(ssl->ctx, (char *) cert->data)
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96
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191 == 0)
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192 {
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193 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
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112
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194 "SSL_CTX_use_certificate_chain_file(\"%s\") failed",
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195 cert->data);
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196 return NGX_ERROR;
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197 }
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198
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454
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199 if (ngx_conf_full_name(cf->cycle, key, 1) != NGX_OK) {
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112
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200 return NGX_ERROR;
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201 }
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202
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203 if (SSL_CTX_use_PrivateKey_file(ssl->ctx, (char *) key->data,
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196
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204 SSL_FILETYPE_PEM)
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205 == 0)
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112
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206 {
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207 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
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208 "SSL_CTX_use_PrivateKey_file(\"%s\") failed", key->data);
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96
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209 return NGX_ERROR;
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210 }
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211
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212 return NGX_OK;
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213 }
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214
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215
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216 ngx_int_t
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220
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217 ngx_ssl_client_certificate(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_str_t *cert,
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218 ngx_int_t depth)
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196
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219 {
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220
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220 STACK_OF(X509_NAME) *list;
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221
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222 SSL_CTX_set_verify(ssl->ctx, SSL_VERIFY_PEER, ngx_http_ssl_verify_callback);
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223
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224 SSL_CTX_set_verify_depth(ssl->ctx, depth);
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225
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226 if (cert->len == 0) {
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227 return NGX_OK;
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228 }
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229
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454
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230 if (ngx_conf_full_name(cf->cycle, cert, 1) != NGX_OK) {
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196
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231 return NGX_ERROR;
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232 }
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233
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234 if (SSL_CTX_load_verify_locations(ssl->ctx, (char *) cert->data, NULL)
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235 == 0)
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236 {
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237 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
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238 "SSL_CTX_load_verify_locations(\"%s\") failed",
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239 cert->data);
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240 return NGX_ERROR;
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241 }
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242
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220
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243 list = SSL_load_client_CA_file((char *) cert->data);
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244
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245 if (list == NULL) {
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246 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
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247 "SSL_load_client_CA_file(\"%s\") failed", cert->data);
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248 return NGX_ERROR;
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249 }
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250
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251 /*
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252 * before 0.9.7h and 0.9.8 SSL_load_client_CA_file()
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253 * always leaved an error in the error queue
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254 */
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255
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256 ERR_clear_error();
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257
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258 SSL_CTX_set_client_CA_list(ssl->ctx, list);
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259
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196
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260 return NGX_OK;
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261 }
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262
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263
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510
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264 ngx_int_t
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265 ngx_ssl_crl(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_str_t *crl)
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266 {
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267 X509_STORE *store;
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268 X509_LOOKUP *lookup;
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269
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270 if (crl->len == 0) {
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271 return NGX_OK;
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272 }
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273
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274 if (ngx_conf_full_name(cf->cycle, crl, 1) != NGX_OK) {
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275 return NGX_ERROR;
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276 }
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277
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278 store = SSL_CTX_get_cert_store(ssl->ctx);
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279
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280 if (store == NULL) {
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281 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
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282 "SSL_CTX_get_cert_store() failed");
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283 return NGX_ERROR;
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284 }
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285
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286 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file());
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287
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288 if (lookup == NULL) {
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289 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
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290 "X509_STORE_add_lookup() failed");
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291 return NGX_ERROR;
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292 }
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293
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294 if (X509_LOOKUP_load_file(lookup, (char *) crl->data, X509_FILETYPE_PEM)
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295 == 0)
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296 {
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297 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
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298 "X509_LOOKUP_load_file(\"%s\") failed", crl->data);
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299 return NGX_ERROR;
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300 }
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301
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302 X509_STORE_set_flags(store,
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303 X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL);
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304
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305 return NGX_OK;
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306 }
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307
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308
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220
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309 static int
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310 ngx_http_ssl_verify_callback(int ok, X509_STORE_CTX *x509_store)
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311 {
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372
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312 #if (NGX_DEBUG)
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220
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313 char *subject, *issuer;
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314 int err, depth;
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315 X509 *cert;
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372
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316 X509_NAME *sname, *iname;
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220
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317 ngx_connection_t *c;
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318 ngx_ssl_conn_t *ssl_conn;
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319
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320 ssl_conn = X509_STORE_CTX_get_ex_data(x509_store,
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321 SSL_get_ex_data_X509_STORE_CTX_idx());
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322
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323 c = ngx_ssl_get_connection(ssl_conn);
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324
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325 cert = X509_STORE_CTX_get_current_cert(x509_store);
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326 err = X509_STORE_CTX_get_error(x509_store);
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327 depth = X509_STORE_CTX_get_error_depth(x509_store);
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328
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372
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329 sname = X509_get_subject_name(cert);
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330 subject = sname ? X509_NAME_oneline(sname, NULL, 0) : "(none)";
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331
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332 iname = X509_get_issuer_name(cert);
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333 issuer = iname ? X509_NAME_oneline(iname, NULL, 0) : "(none)";
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220
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334
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272
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335 ngx_log_debug5(NGX_LOG_DEBUG_EVENT, c->log, 0,
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220
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336 "verify:%d, error:%d, depth:%d, "
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337 "subject:\"%s\",issuer: \"%s\"",
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338 ok, err, depth, subject, issuer);
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339
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372
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340 if (sname) {
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341 OPENSSL_free(subject);
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342 }
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343
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344 if (iname) {
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345 OPENSSL_free(issuer);
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346 }
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347 #endif
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348
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220
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349 return 1;
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350 }
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351
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352
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196
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353 ngx_int_t
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96
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354 ngx_ssl_generate_rsa512_key(ngx_ssl_t *ssl)
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355 {
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220
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356 RSA *key;
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357
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108
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358 if (SSL_CTX_need_tmp_RSA(ssl->ctx) == 0) {
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359 return NGX_OK;
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360 }
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361
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220
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362 key = RSA_generate_key(512, RSA_F4, NULL, NULL);
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96
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363
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220
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364 if (key) {
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365 SSL_CTX_set_tmp_rsa(ssl->ctx, key);
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366
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367 RSA_free(key);
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368
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96
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369 return NGX_OK;
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370 }
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|
|
371
|
|
|
372 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0, "RSA_generate_key(512) failed");
|
|
|
373
|
|
|
374 return NGX_ERROR;
|
|
|
375 }
|
|
|
376
|
|
|
377
|
|
|
378 ngx_int_t
|
|
380
|
379 ngx_ssl_dhparam(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_str_t *file)
|
|
|
380 {
|
|
|
381 DH *dh;
|
|
|
382 BIO *bio;
|
|
|
383
|
|
|
384 /*
|
|
|
385 * -----BEGIN DH PARAMETERS-----
|
|
|
386 * MIGHAoGBALu8LcrYRnSQfEP89YDpz9vZWKP1aLQtSwju1OsPs1BMbAMCducQgAxc
|
|
|
387 * y7qokiYUxb7spWWl/fHSh6K8BJvmd4Bg6RqSp1fjBI9osHb302zI8pul34HcLKcl
|
|
|
388 * 7OZicMyaUDXYzs7vnqAnSmOrHlj6/UmI0PZdFGdX2gcd8EXP4WubAgEC
|
|
|
389 * -----END DH PARAMETERS-----
|
|
|
390 */
|
|
|
391
|
|
|
392 static unsigned char dh1024_p[] = {
|
|
|
393 0xBB, 0xBC, 0x2D, 0xCA, 0xD8, 0x46, 0x74, 0x90, 0x7C, 0x43, 0xFC, 0xF5,
|
|
|
394 0x80, 0xE9, 0xCF, 0xDB, 0xD9, 0x58, 0xA3, 0xF5, 0x68, 0xB4, 0x2D, 0x4B,
|
|
|
395 0x08, 0xEE, 0xD4, 0xEB, 0x0F, 0xB3, 0x50, 0x4C, 0x6C, 0x03, 0x02, 0x76,
|
|
|
396 0xE7, 0x10, 0x80, 0x0C, 0x5C, 0xCB, 0xBA, 0xA8, 0x92, 0x26, 0x14, 0xC5,
|
|
|
397 0xBE, 0xEC, 0xA5, 0x65, 0xA5, 0xFD, 0xF1, 0xD2, 0x87, 0xA2, 0xBC, 0x04,
|
|
|
398 0x9B, 0xE6, 0x77, 0x80, 0x60, 0xE9, 0x1A, 0x92, 0xA7, 0x57, 0xE3, 0x04,
|
|
|
399 0x8F, 0x68, 0xB0, 0x76, 0xF7, 0xD3, 0x6C, 0xC8, 0xF2, 0x9B, 0xA5, 0xDF,
|
|
|
400 0x81, 0xDC, 0x2C, 0xA7, 0x25, 0xEC, 0xE6, 0x62, 0x70, 0xCC, 0x9A, 0x50,
|
|
|
401 0x35, 0xD8, 0xCE, 0xCE, 0xEF, 0x9E, 0xA0, 0x27, 0x4A, 0x63, 0xAB, 0x1E,
|
|
|
402 0x58, 0xFA, 0xFD, 0x49, 0x88, 0xD0, 0xF6, 0x5D, 0x14, 0x67, 0x57, 0xDA,
|
|
|
403 0x07, 0x1D, 0xF0, 0x45, 0xCF, 0xE1, 0x6B, 0x9B
|
|
|
404 };
|
|
|
405
|
|
|
406 static unsigned char dh1024_g[] = { 0x02 };
|
|
|
407
|
|
|
408
|
|
|
409 if (file->len == 0) {
|
|
|
410
|
|
|
411 dh = DH_new();
|
|
|
412 if (dh == NULL) {
|
|
|
413 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0, "DH_new() failed");
|
|
|
414 return NGX_ERROR;
|
|
|
415 }
|
|
|
416
|
|
|
417 dh->p = BN_bin2bn(dh1024_p, sizeof(dh1024_p), NULL);
|
|
|
418 dh->g = BN_bin2bn(dh1024_g, sizeof(dh1024_g), NULL);
|
|
|
419
|
|
|
420 if (dh->p == NULL || dh->g == NULL) {
|
|
|
421 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0, "BN_bin2bn() failed");
|
|
|
422 DH_free(dh);
|
|
|
423 return NGX_ERROR;
|
|
|
424 }
|
|
|
425
|
|
|
426 SSL_CTX_set_tmp_dh(ssl->ctx, dh);
|
|
|
427
|
|
|
428 DH_free(dh);
|
|
|
429
|
|
|
430 return NGX_OK;
|
|
|
431 }
|
|
|
432
|
|
454
|
433 if (ngx_conf_full_name(cf->cycle, file, 1) != NGX_OK) {
|
|
380
|
434 return NGX_ERROR;
|
|
|
435 }
|
|
|
436
|
|
|
437 bio = BIO_new_file((char *) file->data, "r");
|
|
|
438 if (bio == NULL) {
|
|
|
439 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
|
|
|
440 "BIO_new_file(\"%s\") failed", file->data);
|
|
|
441 return NGX_ERROR;
|
|
|
442 }
|
|
|
443
|
|
|
444 dh = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
|
|
|
445 if (dh == NULL) {
|
|
|
446 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
|
|
|
447 "PEM_read_bio_DHparams(\"%s\") failed", file->data);
|
|
|
448 BIO_free(bio);
|
|
|
449 return NGX_ERROR;
|
|
|
450 }
|
|
|
451
|
|
|
452 SSL_CTX_set_tmp_dh(ssl->ctx, dh);
|
|
|
453
|
|
|
454 DH_free(dh);
|
|
|
455 BIO_free(bio);
|
|
|
456
|
|
|
457 return NGX_OK;
|
|
|
458 }
|
|
|
459
|
|
|
460
|
|
|
461 ngx_int_t
|
|
96
|
462 ngx_ssl_create_connection(ngx_ssl_t *ssl, ngx_connection_t *c, ngx_uint_t flags)
|
|
126
|
463 {
|
|
96
|
464 ngx_ssl_connection_t *sc;
|
|
0
|
465
|
|
96
|
466 sc = ngx_pcalloc(c->pool, sizeof(ngx_ssl_connection_t));
|
|
|
467 if (sc == NULL) {
|
|
0
|
468 return NGX_ERROR;
|
|
|
469 }
|
|
|
470
|
|
358
|
471 sc->buffer = ((flags & NGX_SSL_BUFFER) != 0);
|
|
0
|
472
|
|
96
|
473 sc->connection = SSL_new(ssl->ctx);
|
|
0
|
474
|
|
96
|
475 if (sc->connection == NULL) {
|
|
0
|
476 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "SSL_new() failed");
|
|
|
477 return NGX_ERROR;
|
|
|
478 }
|
|
|
479
|
|
96
|
480 if (SSL_set_fd(sc->connection, c->fd) == 0) {
|
|
0
|
481 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "SSL_set_fd() failed");
|
|
|
482 return NGX_ERROR;
|
|
|
483 }
|
|
|
484
|
|
126
|
485 if (flags & NGX_SSL_CLIENT) {
|
|
|
486 SSL_set_connect_state(sc->connection);
|
|
|
487
|
|
|
488 } else {
|
|
|
489 SSL_set_accept_state(sc->connection);
|
|
|
490 }
|
|
0
|
491
|
|
272
|
492 if (SSL_set_ex_data(sc->connection, ngx_ssl_connection_index, c) == 0) {
|
|
220
|
493 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "SSL_set_ex_data() failed");
|
|
|
494 return NGX_ERROR;
|
|
|
495 }
|
|
|
496
|
|
96
|
497 c->ssl = sc;
|
|
0
|
498
|
|
|
499 return NGX_OK;
|
|
|
500 }
|
|
|
501
|
|
|
502
|
|
96
|
503 ngx_int_t
|
|
126
|
504 ngx_ssl_set_session(ngx_connection_t *c, ngx_ssl_session_t *session)
|
|
|
505 {
|
|
|
506 if (session) {
|
|
|
507 if (SSL_set_session(c->ssl->connection, session) == 0) {
|
|
|
508 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "SSL_set_session() failed");
|
|
|
509 return NGX_ERROR;
|
|
|
510 }
|
|
|
511 }
|
|
|
512
|
|
|
513 return NGX_OK;
|
|
|
514 }
|
|
|
515
|
|
|
516
|
|
|
517 ngx_int_t
|
|
96
|
518 ngx_ssl_handshake(ngx_connection_t *c)
|
|
|
519 {
|
|
|
520 int n, sslerr;
|
|
|
521 ngx_err_t err;
|
|
|
522
|
|
358
|
523 ngx_ssl_clear_error(c->log);
|
|
|
524
|
|
96
|
525 n = SSL_do_handshake(c->ssl->connection);
|
|
|
526
|
|
126
|
527 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_do_handshake: %d", n);
|
|
96
|
528
|
|
|
529 if (n == 1) {
|
|
|
530
|
|
430
|
531 if (ngx_handle_read_event(c->read, 0) != NGX_OK) {
|
|
96
|
532 return NGX_ERROR;
|
|
|
533 }
|
|
|
534
|
|
430
|
535 if (ngx_handle_write_event(c->write, 0) != NGX_OK) {
|
|
96
|
536 return NGX_ERROR;
|
|
|
537 }
|
|
|
538
|
|
|
539 #if (NGX_DEBUG)
|
|
|
540 {
|
|
|
541 char buf[129], *s, *d;
|
|
|
542 SSL_CIPHER *cipher;
|
|
|
543
|
|
|
544 cipher = SSL_get_current_cipher(c->ssl->connection);
|
|
|
545
|
|
|
546 if (cipher) {
|
|
|
547 SSL_CIPHER_description(cipher, &buf[1], 128);
|
|
|
548
|
|
|
549 for (s = &buf[1], d = buf; *s; s++) {
|
|
|
550 if (*s == ' ' && *d == ' ') {
|
|
|
551 continue;
|
|
|
552 }
|
|
|
553
|
|
|
554 if (*s == LF || *s == CR) {
|
|
|
555 continue;
|
|
|
556 }
|
|
|
557
|
|
|
558 *++d = *s;
|
|
|
559 }
|
|
|
560
|
|
|
561 if (*d != ' ') {
|
|
|
562 d++;
|
|
|
563 }
|
|
|
564
|
|
|
565 *d = '\0';
|
|
|
566
|
|
132
|
567 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
96
|
568 "SSL: %s, cipher: \"%s\"",
|
|
126
|
569 SSL_get_version(c->ssl->connection), &buf[1]);
|
|
96
|
570
|
|
|
571 if (SSL_session_reused(c->ssl->connection)) {
|
|
132
|
572 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
96
|
573 "SSL reused session");
|
|
|
574 }
|
|
|
575
|
|
|
576 } else {
|
|
|
577 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
126
|
578 "SSL no shared ciphers");
|
|
96
|
579 }
|
|
|
580 }
|
|
|
581 #endif
|
|
|
582
|
|
|
583 c->ssl->handshaked = 1;
|
|
|
584
|
|
|
585 c->recv = ngx_ssl_recv;
|
|
|
586 c->send = ngx_ssl_write;
|
|
126
|
587 c->recv_chain = ngx_ssl_recv_chain;
|
|
|
588 c->send_chain = ngx_ssl_send_chain;
|
|
96
|
589
|
|
|
590 return NGX_OK;
|
|
|
591 }
|
|
|
592
|
|
|
593 sslerr = SSL_get_error(c->ssl->connection, n);
|
|
|
594
|
|
|
595 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", sslerr);
|
|
|
596
|
|
|
597 if (sslerr == SSL_ERROR_WANT_READ) {
|
|
|
598 c->read->ready = 0;
|
|
|
599 c->read->handler = ngx_ssl_handshake_handler;
|
|
140
|
600 c->write->handler = ngx_ssl_handshake_handler;
|
|
96
|
601
|
|
430
|
602 if (ngx_handle_read_event(c->read, 0) != NGX_OK) {
|
|
96
|
603 return NGX_ERROR;
|
|
|
604 }
|
|
|
605
|
|
|
606 return NGX_AGAIN;
|
|
|
607 }
|
|
|
608
|
|
|
609 if (sslerr == SSL_ERROR_WANT_WRITE) {
|
|
|
610 c->write->ready = 0;
|
|
140
|
611 c->read->handler = ngx_ssl_handshake_handler;
|
|
96
|
612 c->write->handler = ngx_ssl_handshake_handler;
|
|
|
613
|
|
430
|
614 if (ngx_handle_write_event(c->write, 0) != NGX_OK) {
|
|
96
|
615 return NGX_ERROR;
|
|
|
616 }
|
|
|
617
|
|
|
618 return NGX_AGAIN;
|
|
|
619 }
|
|
|
620
|
|
|
621 err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0;
|
|
|
622
|
|
|
623 c->ssl->no_wait_shutdown = 1;
|
|
|
624 c->ssl->no_send_shutdown = 1;
|
|
140
|
625 c->read->eof = 1;
|
|
96
|
626
|
|
|
627 if (sslerr == SSL_ERROR_ZERO_RETURN || ERR_peek_error() == 0) {
|
|
|
628 ngx_log_error(NGX_LOG_INFO, c->log, err,
|
|
126
|
629 "peer closed connection in SSL handshake");
|
|
96
|
630
|
|
|
631 return NGX_ERROR;
|
|
|
632 }
|
|
|
633
|
|
140
|
634 c->read->error = 1;
|
|
|
635
|
|
96
|
636 ngx_ssl_connection_error(c, sslerr, err, "SSL_do_handshake() failed");
|
|
|
637
|
|
|
638 return NGX_ERROR;
|
|
|
639 }
|
|
|
640
|
|
|
641
|
|
|
642 static void
|
|
|
643 ngx_ssl_handshake_handler(ngx_event_t *ev)
|
|
|
644 {
|
|
|
645 ngx_connection_t *c;
|
|
|
646
|
|
|
647 c = ev->data;
|
|
|
648
|
|
98
|
649 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
126
|
650 "SSL handshake handler: %d", ev->write);
|
|
96
|
651
|
|
140
|
652 if (ev->timedout) {
|
|
|
653 c->ssl->handler(c);
|
|
|
654 return;
|
|
|
655 }
|
|
|
656
|
|
96
|
657 if (ngx_ssl_handshake(c) == NGX_AGAIN) {
|
|
|
658 return;
|
|
|
659 }
|
|
|
660
|
|
|
661 c->ssl->handler(c);
|
|
|
662 }
|
|
|
663
|
|
|
664
|
|
38
|
665 ssize_t
|
|
126
|
666 ngx_ssl_recv_chain(ngx_connection_t *c, ngx_chain_t *cl)
|
|
|
667 {
|
|
294
|
668 u_char *last;
|
|
126
|
669 ssize_t n, bytes;
|
|
|
670 ngx_buf_t *b;
|
|
|
671
|
|
|
672 bytes = 0;
|
|
|
673
|
|
294
|
674 b = cl->buf;
|
|
|
675 last = b->last;
|
|
|
676
|
|
|
677 for ( ;; ) {
|
|
|
678
|
|
|
679 n = ngx_ssl_recv(c, last, b->end - last);
|
|
126
|
680
|
|
|
681 if (n > 0) {
|
|
294
|
682 last += n;
|
|
126
|
683 bytes += n;
|
|
|
684
|
|
294
|
685 if (last == b->end) {
|
|
126
|
686 cl = cl->next;
|
|
294
|
687
|
|
|
688 if (cl == NULL) {
|
|
|
689 return bytes;
|
|
|
690 }
|
|
|
691
|
|
|
692 b = cl->buf;
|
|
|
693 last = b->last;
|
|
126
|
694 }
|
|
|
695
|
|
|
696 continue;
|
|
|
697 }
|
|
|
698
|
|
|
699 if (bytes) {
|
|
382
|
700
|
|
|
701 if (n == 0 || n == NGX_ERROR) {
|
|
|
702 c->read->ready = 1;
|
|
|
703 }
|
|
|
704
|
|
126
|
705 return bytes;
|
|
|
706 }
|
|
|
707
|
|
|
708 return n;
|
|
|
709 }
|
|
|
710 }
|
|
|
711
|
|
|
712
|
|
|
713 ssize_t
|
|
38
|
714 ngx_ssl_recv(ngx_connection_t *c, u_char *buf, size_t size)
|
|
0
|
715 {
|
|
38
|
716 int n, bytes;
|
|
|
717
|
|
|
718 if (c->ssl->last == NGX_ERROR) {
|
|
330
|
719 c->read->error = 1;
|
|
38
|
720 return NGX_ERROR;
|
|
|
721 }
|
|
|
722
|
|
126
|
723 if (c->ssl->last == NGX_DONE) {
|
|
330
|
724 c->read->ready = 0;
|
|
|
725 c->read->eof = 1;
|
|
126
|
726 return 0;
|
|
|
727 }
|
|
|
728
|
|
38
|
729 bytes = 0;
|
|
0
|
730
|
|
358
|
731 ngx_ssl_clear_error(c->log);
|
|
|
732
|
|
38
|
733 /*
|
|
|
734 * SSL_read() may return data in parts, so try to read
|
|
|
735 * until SSL_read() would return no data
|
|
|
736 */
|
|
|
737
|
|
|
738 for ( ;; ) {
|
|
0
|
739
|
|
92
|
740 n = SSL_read(c->ssl->connection, buf, size);
|
|
38
|
741
|
|
126
|
742 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_read: %d", n);
|
|
0
|
743
|
|
38
|
744 if (n > 0) {
|
|
|
745 bytes += n;
|
|
|
746 }
|
|
|
747
|
|
|
748 c->ssl->last = ngx_ssl_handle_recv(c, n);
|
|
|
749
|
|
330
|
750 if (c->ssl->last == NGX_OK) {
|
|
|
751
|
|
|
752 size -= n;
|
|
|
753
|
|
|
754 if (size == 0) {
|
|
38
|
755 return bytes;
|
|
126
|
756 }
|
|
38
|
757
|
|
330
|
758 buf += n;
|
|
|
759
|
|
|
760 continue;
|
|
|
761 }
|
|
|
762
|
|
|
763 if (bytes) {
|
|
|
764 return bytes;
|
|
|
765 }
|
|
|
766
|
|
|
767 switch (c->ssl->last) {
|
|
|
768
|
|
|
769 case NGX_DONE:
|
|
|
770 c->read->ready = 0;
|
|
|
771 c->read->eof = 1;
|
|
|
772 return 0;
|
|
|
773
|
|
|
774 case NGX_ERROR:
|
|
|
775 c->read->error = 1;
|
|
|
776
|
|
|
777 /* fall thruogh */
|
|
|
778
|
|
|
779 case NGX_AGAIN:
|
|
126
|
780 return c->ssl->last;
|
|
28
|
781 }
|
|
38
|
782 }
|
|
|
783 }
|
|
|
784
|
|
|
785
|
|
|
786 static ngx_int_t
|
|
|
787 ngx_ssl_handle_recv(ngx_connection_t *c, int n)
|
|
|
788 {
|
|
96
|
789 int sslerr;
|
|
|
790 ngx_err_t err;
|
|
38
|
791
|
|
|
792 if (n > 0) {
|
|
28
|
793
|
|
22
|
794 if (c->ssl->saved_write_handler) {
|
|
|
795
|
|
58
|
796 c->write->handler = c->ssl->saved_write_handler;
|
|
22
|
797 c->ssl->saved_write_handler = NULL;
|
|
|
798 c->write->ready = 1;
|
|
|
799
|
|
430
|
800 if (ngx_handle_write_event(c->write, 0) != NGX_OK) {
|
|
22
|
801 return NGX_ERROR;
|
|
|
802 }
|
|
|
803
|
|
112
|
804 ngx_post_event(c->write, &ngx_posted_events);
|
|
22
|
805 }
|
|
|
806
|
|
38
|
807 return NGX_OK;
|
|
0
|
808 }
|
|
|
809
|
|
92
|
810 sslerr = SSL_get_error(c->ssl->connection, n);
|
|
0
|
811
|
|
|
812 err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0;
|
|
|
813
|
|
|
814 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", sslerr);
|
|
|
815
|
|
|
816 if (sslerr == SSL_ERROR_WANT_READ) {
|
|
4
|
817 c->read->ready = 0;
|
|
0
|
818 return NGX_AGAIN;
|
|
|
819 }
|
|
|
820
|
|
|
821 if (sslerr == SSL_ERROR_WANT_WRITE) {
|
|
88
|
822
|
|
96
|
823 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
126
|
824 "peer started SSL renegotiation");
|
|
22
|
825
|
|
|
826 c->write->ready = 0;
|
|
|
827
|
|
430
|
828 if (ngx_handle_write_event(c->write, 0) != NGX_OK) {
|
|
22
|
829 return NGX_ERROR;
|
|
|
830 }
|
|
|
831
|
|
|
832 /*
|
|
|
833 * we do not set the timer because there is already the read event timer
|
|
|
834 */
|
|
|
835
|
|
|
836 if (c->ssl->saved_write_handler == NULL) {
|
|
58
|
837 c->ssl->saved_write_handler = c->write->handler;
|
|
|
838 c->write->handler = ngx_ssl_write_handler;
|
|
22
|
839 }
|
|
|
840
|
|
0
|
841 return NGX_AGAIN;
|
|
|
842 }
|
|
|
843
|
|
96
|
844 c->ssl->no_wait_shutdown = 1;
|
|
|
845 c->ssl->no_send_shutdown = 1;
|
|
0
|
846
|
|
|
847 if (sslerr == SSL_ERROR_ZERO_RETURN || ERR_peek_error() == 0) {
|
|
126
|
848 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
|
849 "peer shutdown SSL cleanly");
|
|
|
850 return NGX_DONE;
|
|
0
|
851 }
|
|
|
852
|
|
96
|
853 ngx_ssl_connection_error(c, sslerr, err, "SSL_read() failed");
|
|
0
|
854
|
|
|
855 return NGX_ERROR;
|
|
|
856 }
|
|
|
857
|
|
|
858
|
|
38
|
859 static void
|
|
|
860 ngx_ssl_write_handler(ngx_event_t *wev)
|
|
22
|
861 {
|
|
|
862 ngx_connection_t *c;
|
|
|
863
|
|
|
864 c = wev->data;
|
|
96
|
865
|
|
58
|
866 c->read->handler(c->read);
|
|
22
|
867 }
|
|
|
868
|
|
|
869
|
|
0
|
870 /*
|
|
|
871 * OpenSSL has no SSL_writev() so we copy several bufs into our 16K buffer
|
|
22
|
872 * before the SSL_write() call to decrease a SSL overhead.
|
|
0
|
873 *
|
|
|
874 * Besides for protocols such as HTTP it is possible to always buffer
|
|
|
875 * the output to decrease a SSL overhead some more.
|
|
|
876 */
|
|
|
877
|
|
38
|
878 ngx_chain_t *
|
|
|
879 ngx_ssl_send_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit)
|
|
0
|
880 {
|
|
|
881 int n;
|
|
|
882 ngx_uint_t flush;
|
|
|
883 ssize_t send, size;
|
|
|
884 ngx_buf_t *buf;
|
|
|
885
|
|
416
|
886 if (!c->ssl->buffer) {
|
|
0
|
887
|
|
126
|
888 while (in) {
|
|
|
889 if (ngx_buf_special(in->buf)) {
|
|
|
890 in = in->next;
|
|
|
891 continue;
|
|
|
892 }
|
|
0
|
893
|
|
126
|
894 n = ngx_ssl_write(c, in->buf->pos, in->buf->last - in->buf->pos);
|
|
|
895
|
|
|
896 if (n == NGX_ERROR) {
|
|
|
897 return NGX_CHAIN_ERROR;
|
|
|
898 }
|
|
0
|
899
|
|
126
|
900 if (n == NGX_AGAIN) {
|
|
146
|
901 c->buffered |= NGX_SSL_BUFFERED;
|
|
126
|
902 return in;
|
|
|
903 }
|
|
|
904
|
|
|
905 in->buf->pos += n;
|
|
|
906
|
|
|
907 if (in->buf->pos == in->buf->last) {
|
|
|
908 in = in->next;
|
|
|
909 }
|
|
0
|
910 }
|
|
|
911
|
|
|
912 return in;
|
|
|
913 }
|
|
|
914
|
|
22
|
915
|
|
|
916 /* the maximum limit size is the maximum uint32_t value - the page size */
|
|
|
917
|
|
324
|
918 if (limit == 0 || limit > (off_t) (NGX_MAX_UINT32_VALUE - ngx_pagesize)) {
|
|
22
|
919 limit = NGX_MAX_UINT32_VALUE - ngx_pagesize;
|
|
|
920 }
|
|
|
921
|
|
126
|
922 buf = c->ssl->buf;
|
|
358
|
923
|
|
|
924 if (buf == NULL) {
|
|
|
925 buf = ngx_create_temp_buf(c->pool, NGX_SSL_BUFSIZE);
|
|
|
926 if (buf == NULL) {
|
|
|
927 return NGX_CHAIN_ERROR;
|
|
|
928 }
|
|
|
929
|
|
|
930 c->ssl->buf = buf;
|
|
|
931 }
|
|
|
932
|
|
|
933 if (buf->start == NULL) {
|
|
|
934 buf->start = ngx_palloc(c->pool, NGX_SSL_BUFSIZE);
|
|
|
935 if (buf->start == NULL) {
|
|
|
936 return NGX_CHAIN_ERROR;
|
|
|
937 }
|
|
|
938
|
|
|
939 buf->pos = buf->start;
|
|
|
940 buf->last = buf->start;
|
|
|
941 buf->end = buf->start + NGX_SSL_BUFSIZE;
|
|
|
942 }
|
|
|
943
|
|
0
|
944 send = 0;
|
|
|
945 flush = (in == NULL) ? 1 : 0;
|
|
|
946
|
|
|
947 for ( ;; ) {
|
|
|
948
|
|
540
|
949 while (in && buf->last < buf->end && send < limit) {
|
|
132
|
950 if (in->buf->last_buf || in->buf->flush) {
|
|
0
|
951 flush = 1;
|
|
|
952 }
|
|
|
953
|
|
|
954 if (ngx_buf_special(in->buf)) {
|
|
|
955 in = in->next;
|
|
|
956 continue;
|
|
|
957 }
|
|
|
958
|
|
|
959 size = in->buf->last - in->buf->pos;
|
|
|
960
|
|
|
961 if (size > buf->end - buf->last) {
|
|
|
962 size = buf->end - buf->last;
|
|
|
963 }
|
|
|
964
|
|
|
965 if (send + size > limit) {
|
|
126
|
966 size = (ssize_t) (limit - send);
|
|
0
|
967 flush = 1;
|
|
|
968 }
|
|
|
969
|
|
|
970 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
|
971 "SSL buf copy: %d", size);
|
|
|
972
|
|
|
973 ngx_memcpy(buf->last, in->buf->pos, size);
|
|
|
974
|
|
|
975 buf->last += size;
|
|
|
976 in->buf->pos += size;
|
|
540
|
977 send += size;
|
|
126
|
978
|
|
0
|
979 if (in->buf->pos == in->buf->last) {
|
|
|
980 in = in->next;
|
|
|
981 }
|
|
|
982 }
|
|
|
983
|
|
|
984 size = buf->last - buf->pos;
|
|
|
985
|
|
|
986 if (!flush && buf->last < buf->end && c->ssl->buffer) {
|
|
|
987 break;
|
|
|
988 }
|
|
|
989
|
|
|
990 n = ngx_ssl_write(c, buf->pos, size);
|
|
|
991
|
|
|
992 if (n == NGX_ERROR) {
|
|
|
993 return NGX_CHAIN_ERROR;
|
|
|
994 }
|
|
|
995
|
|
60
|
996 if (n == NGX_AGAIN) {
|
|
146
|
997 c->buffered |= NGX_SSL_BUFFERED;
|
|
60
|
998 return in;
|
|
0
|
999 }
|
|
|
1000
|
|
|
1001 buf->pos += n;
|
|
|
1002 c->sent += n;
|
|
|
1003
|
|
|
1004 if (n < size) {
|
|
|
1005 break;
|
|
|
1006 }
|
|
|
1007
|
|
|
1008 if (buf->pos == buf->last) {
|
|
|
1009 buf->pos = buf->start;
|
|
|
1010 buf->last = buf->start;
|
|
|
1011 }
|
|
|
1012
|
|
|
1013 if (in == NULL || send == limit) {
|
|
|
1014 break;
|
|
|
1015 }
|
|
|
1016 }
|
|
|
1017
|
|
146
|
1018 if (buf->pos < buf->last) {
|
|
|
1019 c->buffered |= NGX_SSL_BUFFERED;
|
|
|
1020
|
|
|
1021 } else {
|
|
|
1022 c->buffered &= ~NGX_SSL_BUFFERED;
|
|
|
1023 }
|
|
0
|
1024
|
|
|
1025 return in;
|
|
|
1026 }
|
|
|
1027
|
|
|
1028
|
|
88
|
1029 ssize_t
|
|
38
|
1030 ngx_ssl_write(ngx_connection_t *c, u_char *data, size_t size)
|
|
0
|
1031 {
|
|
96
|
1032 int n, sslerr;
|
|
|
1033 ngx_err_t err;
|
|
0
|
1034
|
|
358
|
1035 ngx_ssl_clear_error(c->log);
|
|
|
1036
|
|
0
|
1037 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL to write: %d", size);
|
|
|
1038
|
|
92
|
1039 n = SSL_write(c->ssl->connection, data, size);
|
|
0
|
1040
|
|
|
1041 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_write: %d", n);
|
|
|
1042
|
|
|
1043 if (n > 0) {
|
|
88
|
1044
|
|
22
|
1045 if (c->ssl->saved_read_handler) {
|
|
|
1046
|
|
58
|
1047 c->read->handler = c->ssl->saved_read_handler;
|
|
22
|
1048 c->ssl->saved_read_handler = NULL;
|
|
|
1049 c->read->ready = 1;
|
|
|
1050
|
|
430
|
1051 if (ngx_handle_read_event(c->read, 0) != NGX_OK) {
|
|
22
|
1052 return NGX_ERROR;
|
|
|
1053 }
|
|
|
1054
|
|
112
|
1055 ngx_post_event(c->read, &ngx_posted_events);
|
|
22
|
1056 }
|
|
|
1057
|
|
0
|
1058 return n;
|
|
|
1059 }
|
|
|
1060
|
|
92
|
1061 sslerr = SSL_get_error(c->ssl->connection, n);
|
|
0
|
1062
|
|
|
1063 err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0;
|
|
|
1064
|
|
|
1065 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", sslerr);
|
|
|
1066
|
|
|
1067 if (sslerr == SSL_ERROR_WANT_WRITE) {
|
|
|
1068 c->write->ready = 0;
|
|
|
1069 return NGX_AGAIN;
|
|
|
1070 }
|
|
|
1071
|
|
|
1072 if (sslerr == SSL_ERROR_WANT_READ) {
|
|
2
|
1073
|
|
96
|
1074 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
126
|
1075 "peer started SSL renegotiation");
|
|
22
|
1076
|
|
|
1077 c->read->ready = 0;
|
|
|
1078
|
|
430
|
1079 if (ngx_handle_read_event(c->read, 0) != NGX_OK) {
|
|
22
|
1080 return NGX_ERROR;
|
|
|
1081 }
|
|
|
1082
|
|
|
1083 /*
|
|
|
1084 * we do not set the timer because there is already
|
|
|
1085 * the write event timer
|
|
|
1086 */
|
|
|
1087
|
|
|
1088 if (c->ssl->saved_read_handler == NULL) {
|
|
58
|
1089 c->ssl->saved_read_handler = c->read->handler;
|
|
|
1090 c->read->handler = ngx_ssl_read_handler;
|
|
22
|
1091 }
|
|
|
1092
|
|
0
|
1093 return NGX_AGAIN;
|
|
|
1094 }
|
|
|
1095
|
|
96
|
1096 c->ssl->no_wait_shutdown = 1;
|
|
|
1097 c->ssl->no_send_shutdown = 1;
|
|
140
|
1098 c->write->error = 1;
|
|
92
|
1099
|
|
96
|
1100 ngx_ssl_connection_error(c, sslerr, err, "SSL_write() failed");
|
|
0
|
1101
|
|
|
1102 return NGX_ERROR;
|
|
|
1103 }
|
|
|
1104
|
|
|
1105
|
|
38
|
1106 static void
|
|
|
1107 ngx_ssl_read_handler(ngx_event_t *rev)
|
|
22
|
1108 {
|
|
|
1109 ngx_connection_t *c;
|
|
|
1110
|
|
|
1111 c = rev->data;
|
|
96
|
1112
|
|
58
|
1113 c->write->handler(c->write);
|
|
22
|
1114 }
|
|
|
1115
|
|
|
1116
|
|
358
|
1117 void
|
|
|
1118 ngx_ssl_free_buffer(ngx_connection_t *c)
|
|
|
1119 {
|
|
360
|
1120 if (c->ssl->buf && c->ssl->buf->start) {
|
|
|
1121 if (ngx_pfree(c->pool, c->ssl->buf->start) == NGX_OK) {
|
|
|
1122 c->ssl->buf->start = NULL;
|
|
|
1123 }
|
|
358
|
1124 }
|
|
|
1125 }
|
|
|
1126
|
|
|
1127
|
|
38
|
1128 ngx_int_t
|
|
|
1129 ngx_ssl_shutdown(ngx_connection_t *c)
|
|
0
|
1130 {
|
|
358
|
1131 int n, sslerr, mode;
|
|
|
1132 ngx_err_t err;
|
|
0
|
1133
|
|
126
|
1134 if (c->timedout) {
|
|
96
|
1135 mode = SSL_RECEIVED_SHUTDOWN|SSL_SENT_SHUTDOWN;
|
|
0
|
1136
|
|
96
|
1137 } else {
|
|
|
1138 mode = SSL_get_shutdown(c->ssl->connection);
|
|
22
|
1139
|
|
96
|
1140 if (c->ssl->no_wait_shutdown) {
|
|
|
1141 mode |= SSL_RECEIVED_SHUTDOWN;
|
|
0
|
1142 }
|
|
|
1143
|
|
96
|
1144 if (c->ssl->no_send_shutdown) {
|
|
|
1145 mode |= SSL_SENT_SHUTDOWN;
|
|
0
|
1146 }
|
|
|
1147 }
|
|
|
1148
|
|
96
|
1149 SSL_set_shutdown(c->ssl->connection, mode);
|
|
|
1150
|
|
358
|
1151 ngx_ssl_clear_error(c->log);
|
|
|
1152
|
|
|
1153 n = SSL_shutdown(c->ssl->connection);
|
|
|
1154
|
|
|
1155 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_shutdown: %d", n);
|
|
|
1156
|
|
10
|
1157 sslerr = 0;
|
|
0
|
1158
|
|
364
|
1159 /* SSL_shutdown() never returns -1, on error it returns 0 */
|
|
|
1160
|
|
|
1161 if (n != 1 && ERR_peek_error()) {
|
|
92
|
1162 sslerr = SSL_get_error(c->ssl->connection, n);
|
|
0
|
1163
|
|
|
1164 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
|
1165 "SSL_get_error: %d", sslerr);
|
|
|
1166 }
|
|
|
1167
|
|
364
|
1168 if (n == 1 || sslerr == 0 || sslerr == SSL_ERROR_ZERO_RETURN) {
|
|
358
|
1169 SSL_free(c->ssl->connection);
|
|
|
1170 c->ssl = NULL;
|
|
|
1171
|
|
|
1172 return NGX_OK;
|
|
|
1173 }
|
|
|
1174
|
|
|
1175 if (sslerr == SSL_ERROR_WANT_READ || sslerr == SSL_ERROR_WANT_WRITE) {
|
|
126
|
1176 c->read->handler = ngx_ssl_shutdown_handler;
|
|
138
|
1177 c->write->handler = ngx_ssl_shutdown_handler;
|
|
126
|
1178
|
|
430
|
1179 if (ngx_handle_read_event(c->read, 0) != NGX_OK) {
|
|
0
|
1180 return NGX_ERROR;
|
|
|
1181 }
|
|
|
1182
|
|
430
|
1183 if (ngx_handle_write_event(c->write, 0) != NGX_OK) {
|
|
0
|
1184 return NGX_ERROR;
|
|
|
1185 }
|
|
|
1186
|
|
358
|
1187 if (sslerr == SSL_ERROR_WANT_READ) {
|
|
138
|
1188 ngx_add_timer(c->read, 30000);
|
|
|
1189 }
|
|
|
1190
|
|
0
|
1191 return NGX_AGAIN;
|
|
|
1192 }
|
|
|
1193
|
|
140
|
1194 err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0;
|
|
|
1195
|
|
|
1196 ngx_ssl_connection_error(c, sslerr, err, "SSL_shutdown() failed");
|
|
0
|
1197
|
|
92
|
1198 SSL_free(c->ssl->connection);
|
|
|
1199 c->ssl = NULL;
|
|
|
1200
|
|
0
|
1201 return NGX_ERROR;
|
|
|
1202 }
|
|
|
1203
|
|
|
1204
|
|
96
|
1205 static void
|
|
126
|
1206 ngx_ssl_shutdown_handler(ngx_event_t *ev)
|
|
|
1207 {
|
|
|
1208 ngx_connection_t *c;
|
|
|
1209 ngx_connection_handler_pt handler;
|
|
|
1210
|
|
|
1211 c = ev->data;
|
|
|
1212 handler = c->ssl->handler;
|
|
|
1213
|
|
|
1214 if (ev->timedout) {
|
|
|
1215 c->timedout = 1;
|
|
|
1216 }
|
|
|
1217
|
|
272
|
1218 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, "SSL shutdown handler");
|
|
126
|
1219
|
|
|
1220 if (ngx_ssl_shutdown(c) == NGX_AGAIN) {
|
|
|
1221 return;
|
|
|
1222 }
|
|
|
1223
|
|
|
1224 handler(c);
|
|
|
1225 }
|
|
|
1226
|
|
|
1227
|
|
|
1228 static void
|
|
96
|
1229 ngx_ssl_connection_error(ngx_connection_t *c, int sslerr, ngx_err_t err,
|
|
|
1230 char *text)
|
|
|
1231 {
|
|
364
|
1232 int n;
|
|
96
|
1233 ngx_uint_t level;
|
|
|
1234
|
|
|
1235 level = NGX_LOG_CRIT;
|
|
|
1236
|
|
|
1237 if (sslerr == SSL_ERROR_SYSCALL) {
|
|
|
1238
|
|
|
1239 if (err == NGX_ECONNRESET
|
|
|
1240 || err == NGX_EPIPE
|
|
|
1241 || err == NGX_ENOTCONN
|
|
138
|
1242 || err == NGX_ETIMEDOUT
|
|
96
|
1243 || err == NGX_ECONNREFUSED
|
|
364
|
1244 || err == NGX_ENETDOWN
|
|
|
1245 || err == NGX_ENETUNREACH
|
|
|
1246 || err == NGX_EHOSTDOWN
|
|
96
|
1247 || err == NGX_EHOSTUNREACH)
|
|
|
1248 {
|
|
|
1249 switch (c->log_error) {
|
|
|
1250
|
|
|
1251 case NGX_ERROR_IGNORE_ECONNRESET:
|
|
|
1252 case NGX_ERROR_INFO:
|
|
|
1253 level = NGX_LOG_INFO;
|
|
|
1254 break;
|
|
|
1255
|
|
|
1256 case NGX_ERROR_ERR:
|
|
|
1257 level = NGX_LOG_ERR;
|
|
|
1258 break;
|
|
|
1259
|
|
|
1260 default:
|
|
|
1261 break;
|
|
|
1262 }
|
|
|
1263 }
|
|
364
|
1264
|
|
|
1265 } else if (sslerr == SSL_ERROR_SSL) {
|
|
|
1266
|
|
|
1267 n = ERR_GET_REASON(ERR_peek_error());
|
|
|
1268
|
|
|
1269 /* handshake failures */
|
|
420
|
1270 if (n == SSL_R_DIGEST_CHECK_FAILED /* 149 */
|
|
|
1271 || n == SSL_R_NO_CIPHERS_PASSED /* 182 */
|
|
|
1272 || n == SSL_R_NO_SHARED_CIPHER /* 193 */
|
|
|
1273 || n == SSL_R_UNEXPECTED_MESSAGE /* 244 */
|
|
|
1274 || n == SSL_R_UNEXPECTED_RECORD /* 245 */
|
|
|
1275 || n == SSL_R_WRONG_VERSION_NUMBER /* 267 */
|
|
|
1276 || n == SSL_R_DECRYPTION_FAILED_OR_BAD_RECORD_MAC /* 281 */
|
|
364
|
1277 || n == 1000 /* SSL_R_SSLV3_ALERT_CLOSE_NOTIFY */
|
|
420
|
1278 || n == SSL_R_SSLV3_ALERT_UNEXPECTED_MESSAGE /* 1010 */
|
|
|
1279 || n == SSL_R_SSLV3_ALERT_BAD_RECORD_MAC /* 1020 */
|
|
|
1280 || n == SSL_R_TLSV1_ALERT_DECRYPTION_FAILED /* 1021 */
|
|
|
1281 || n == SSL_R_TLSV1_ALERT_RECORD_OVERFLOW /* 1022 */
|
|
|
1282 || n == SSL_R_SSLV3_ALERT_DECOMPRESSION_FAILURE /* 1030 */
|
|
|
1283 || n == SSL_R_SSLV3_ALERT_HANDSHAKE_FAILURE /* 1040 */
|
|
|
1284 || n == SSL_R_SSLV3_ALERT_NO_CERTIFICATE /* 1041 */
|
|
|
1285 || n == SSL_R_SSLV3_ALERT_BAD_CERTIFICATE /* 1042 */
|
|
|
1286 || n == SSL_R_SSLV3_ALERT_UNSUPPORTED_CERTIFICATE /* 1043 */
|
|
|
1287 || n == SSL_R_SSLV3_ALERT_CERTIFICATE_REVOKED /* 1044 */
|
|
|
1288 || n == SSL_R_SSLV3_ALERT_CERTIFICATE_EXPIRED /* 1045 */
|
|
|
1289 || n == SSL_R_SSLV3_ALERT_CERTIFICATE_UNKNOWN /* 1046 */
|
|
|
1290 || n == SSL_R_SSLV3_ALERT_ILLEGAL_PARAMETER /* 1047 */
|
|
|
1291 || n == SSL_R_TLSV1_ALERT_UNKNOWN_CA /* 1048 */
|
|
|
1292 || n == SSL_R_TLSV1_ALERT_ACCESS_DENIED /* 1049 */
|
|
|
1293 || n == SSL_R_TLSV1_ALERT_DECODE_ERROR /* 1050 */
|
|
|
1294 || n == SSL_R_TLSV1_ALERT_DECRYPT_ERROR /* 1051 */
|
|
|
1295 || n == SSL_R_TLSV1_ALERT_EXPORT_RESTRICTION /* 1060 */
|
|
|
1296 || n == SSL_R_TLSV1_ALERT_PROTOCOL_VERSION /* 1070 */
|
|
|
1297 || n == SSL_R_TLSV1_ALERT_INSUFFICIENT_SECURITY /* 1071 */
|
|
|
1298 || n == SSL_R_TLSV1_ALERT_INTERNAL_ERROR /* 1080 */
|
|
|
1299 || n == SSL_R_TLSV1_ALERT_USER_CANCELLED /* 1090 */
|
|
|
1300 || n == SSL_R_TLSV1_ALERT_NO_RENEGOTIATION) /* 1100 */
|
|
364
|
1301 {
|
|
|
1302 switch (c->log_error) {
|
|
|
1303
|
|
|
1304 case NGX_ERROR_IGNORE_ECONNRESET:
|
|
|
1305 case NGX_ERROR_INFO:
|
|
|
1306 level = NGX_LOG_INFO;
|
|
|
1307 break;
|
|
|
1308
|
|
|
1309 case NGX_ERROR_ERR:
|
|
|
1310 level = NGX_LOG_ERR;
|
|
|
1311 break;
|
|
|
1312
|
|
|
1313 default:
|
|
|
1314 break;
|
|
|
1315 }
|
|
|
1316 }
|
|
96
|
1317 }
|
|
|
1318
|
|
|
1319 ngx_ssl_error(level, c->log, err, text);
|
|
|
1320 }
|
|
|
1321
|
|
|
1322
|
|
358
|
1323 static void
|
|
|
1324 ngx_ssl_clear_error(ngx_log_t *log)
|
|
|
1325 {
|
|
364
|
1326 while (ERR_peek_error()) {
|
|
358
|
1327 ngx_ssl_error(NGX_LOG_ALERT, log, 0, "ignoring stale global SSL error");
|
|
|
1328 }
|
|
364
|
1329
|
|
|
1330 ERR_clear_error();
|
|
358
|
1331 }
|
|
|
1332
|
|
|
1333
|
|
132
|
1334 void ngx_cdecl
|
|
38
|
1335 ngx_ssl_error(ngx_uint_t level, ngx_log_t *log, ngx_err_t err, char *fmt, ...)
|
|
126
|
1336 {
|
|
364
|
1337 u_long n;
|
|
|
1338 va_list args;
|
|
|
1339 u_char *p, *last;
|
|
|
1340 u_char errstr[NGX_MAX_CONF_ERRSTR];
|
|
10
|
1341
|
|
|
1342 last = errstr + NGX_MAX_CONF_ERRSTR;
|
|
0
|
1343
|
|
|
1344 va_start(args, fmt);
|
|
484
|
1345 p = ngx_vslprintf(errstr, last - 1, fmt, args);
|
|
0
|
1346 va_end(args);
|
|
|
1347
|
|
96
|
1348 p = ngx_cpystrn(p, (u_char *) " (SSL:", last - p);
|
|
|
1349
|
|
364
|
1350 for ( ;; ) {
|
|
132
|
1351
|
|
|
1352 n = ERR_get_error();
|
|
|
1353
|
|
|
1354 if (n == 0) {
|
|
|
1355 break;
|
|
|
1356 }
|
|
96
|
1357
|
|
364
|
1358 if (p >= last) {
|
|
|
1359 continue;
|
|
|
1360 }
|
|
|
1361
|
|
96
|
1362 *p++ = ' ';
|
|
0
|
1363
|
|
96
|
1364 ERR_error_string_n(n, (char *) p, last - p);
|
|
|
1365
|
|
|
1366 while (p < last && *p) {
|
|
|
1367 p++;
|
|
|
1368 }
|
|
|
1369 }
|
|
0
|
1370
|
|
|
1371 ngx_log_error(level, log, err, "%s)", errstr);
|
|
|
1372 }
|
|
58
|
1373
|
|
|
1374
|
|
272
|
1375 ngx_int_t
|
|
|
1376 ngx_ssl_session_cache(ngx_ssl_t *ssl, ngx_str_t *sess_ctx,
|
|
|
1377 ssize_t builtin_session_cache, ngx_shm_zone_t *shm_zone, time_t timeout)
|
|
|
1378 {
|
|
|
1379 long cache_mode;
|
|
|
1380
|
|
358
|
1381 if (builtin_session_cache == NGX_SSL_NO_SCACHE) {
|
|
|
1382 SSL_CTX_set_session_cache_mode(ssl->ctx, SSL_SESS_CACHE_OFF);
|
|
|
1383 return NGX_OK;
|
|
|
1384 }
|
|
|
1385
|
|
378
|
1386 if (builtin_session_cache == NGX_SSL_NONE_SCACHE) {
|
|
|
1387
|
|
|
1388 /*
|
|
|
1389 * If the server explicitly says that it does not support
|
|
|
1390 * session reuse (see SSL_SESS_CACHE_OFF above), then
|
|
|
1391 * Outlook Express fails to upload a sent email to
|
|
|
1392 * the Sent Items folder on the IMAP server via a separate IMAP
|
|
|
1393 * connection in the background. Therefore we have a special
|
|
|
1394 * mode (SSL_SESS_CACHE_SERVER|SSL_SESS_CACHE_NO_INTERNAL_STORE)
|
|
|
1395 * where the server pretends that it supports session reuse,
|
|
|
1396 * but it does not actually store any session.
|
|
|
1397 */
|
|
|
1398
|
|
|
1399 SSL_CTX_set_session_cache_mode(ssl->ctx,
|
|
|
1400 SSL_SESS_CACHE_SERVER
|
|
|
1401 |SSL_SESS_CACHE_NO_AUTO_CLEAR
|
|
|
1402 |SSL_SESS_CACHE_NO_INTERNAL_STORE);
|
|
|
1403
|
|
|
1404 SSL_CTX_sess_set_cache_size(ssl->ctx, 1);
|
|
|
1405
|
|
|
1406 return NGX_OK;
|
|
|
1407 }
|
|
|
1408
|
|
272
|
1409 cache_mode = SSL_SESS_CACHE_SERVER;
|
|
|
1410
|
|
|
1411 if (shm_zone && builtin_session_cache == NGX_SSL_NO_BUILTIN_SCACHE) {
|
|
|
1412 cache_mode |= SSL_SESS_CACHE_NO_INTERNAL;
|
|
|
1413 }
|
|
|
1414
|
|
|
1415 SSL_CTX_set_session_cache_mode(ssl->ctx, cache_mode);
|
|
|
1416
|
|
|
1417 SSL_CTX_set_session_id_context(ssl->ctx, sess_ctx->data, sess_ctx->len);
|
|
|
1418
|
|
|
1419 if (builtin_session_cache != NGX_SSL_NO_BUILTIN_SCACHE) {
|
|
|
1420
|
|
|
1421 if (builtin_session_cache != NGX_SSL_DFLT_BUILTIN_SCACHE) {
|
|
|
1422 SSL_CTX_sess_set_cache_size(ssl->ctx, builtin_session_cache);
|
|
|
1423 }
|
|
|
1424 }
|
|
|
1425
|
|
480
|
1426 SSL_CTX_set_timeout(ssl->ctx, (long) timeout);
|
|
274
|
1427
|
|
272
|
1428 if (shm_zone) {
|
|
|
1429 shm_zone->init = ngx_ssl_session_cache_init;
|
|
|
1430
|
|
|
1431 SSL_CTX_sess_set_new_cb(ssl->ctx, ngx_ssl_new_session);
|
|
|
1432 SSL_CTX_sess_set_get_cb(ssl->ctx, ngx_ssl_get_cached_session);
|
|
|
1433 SSL_CTX_sess_set_remove_cb(ssl->ctx, ngx_ssl_remove_session);
|
|
|
1434
|
|
|
1435 if (SSL_CTX_set_ex_data(ssl->ctx, ngx_ssl_session_cache_index, shm_zone)
|
|
|
1436 == 0)
|
|
|
1437 {
|
|
|
1438 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
|
|
|
1439 "SSL_CTX_set_ex_data() failed");
|
|
|
1440 return NGX_ERROR;
|
|
|
1441 }
|
|
|
1442 }
|
|
|
1443
|
|
|
1444 return NGX_OK;
|
|
|
1445 }
|
|
|
1446
|
|
|
1447
|
|
|
1448 static ngx_int_t
|
|
|
1449 ngx_ssl_session_cache_init(ngx_shm_zone_t *shm_zone, void *data)
|
|
|
1450 {
|
|
468
|
1451 size_t len;
|
|
272
|
1452 ngx_slab_pool_t *shpool;
|
|
|
1453 ngx_ssl_session_cache_t *cache;
|
|
|
1454
|
|
|
1455 if (data) {
|
|
|
1456 shm_zone->data = data;
|
|
|
1457 return NGX_OK;
|
|
|
1458 }
|
|
|
1459
|
|
480
|
1460 if (shm_zone->shm.exists) {
|
|
|
1461 shm_zone->data = data;
|
|
|
1462 return NGX_OK;
|
|
|
1463 }
|
|
|
1464
|
|
272
|
1465 shpool = (ngx_slab_pool_t *) shm_zone->shm.addr;
|
|
|
1466
|
|
|
1467 cache = ngx_slab_alloc(shpool, sizeof(ngx_ssl_session_cache_t));
|
|
|
1468 if (cache == NULL) {
|
|
|
1469 return NGX_ERROR;
|
|
|
1470 }
|
|
|
1471
|
|
480
|
1472 shpool->data = cache;
|
|
|
1473 shm_zone->data = cache;
|
|
|
1474
|
|
358
|
1475 ngx_rbtree_init(&cache->session_rbtree, &cache->sentinel,
|
|
356
|
1476 ngx_ssl_session_rbtree_insert_value);
|
|
272
|
1477
|
|
358
|
1478 ngx_queue_init(&cache->expire_queue);
|
|
|
1479
|
|
480
|
1480 len = sizeof(" in SSL session shared cache \"\"") + shm_zone->shm.name.len;
|
|
468
|
1481
|
|
|
1482 shpool->log_ctx = ngx_slab_alloc(shpool, len);
|
|
|
1483 if (shpool->log_ctx == NULL) {
|
|
|
1484 return NGX_ERROR;
|
|
|
1485 }
|
|
|
1486
|
|
|
1487 ngx_sprintf(shpool->log_ctx, " in SSL session shared cache \"%V\"%Z",
|
|
480
|
1488 &shm_zone->shm.name);
|
|
272
|
1489
|
|
|
1490 return NGX_OK;
|
|
|
1491 }
|
|
|
1492
|
|
|
1493
|
|
|
1494 /*
|
|
274
|
1495 * The length of the session id is 16 bytes for SSLv2 sessions and
|
|
|
1496 * between 1 and 32 bytes for SSLv3/TLSv1, typically 32 bytes.
|
|
|
1497 * It seems that the typical length of the external ASN1 representation
|
|
|
1498 * of a session is 118 or 119 bytes for SSLv3/TSLv1.
|
|
|
1499 *
|
|
|
1500 * Thus on 32-bit platforms we allocate separately an rbtree node,
|
|
|
1501 * a session id, and an ASN1 representation, they take accordingly
|
|
|
1502 * 64, 32, and 128 bytes.
|
|
|
1503 *
|
|
|
1504 * On 64-bit platforms we allocate separately an rbtree node + session_id,
|
|
|
1505 * and an ASN1 representation, they take accordingly 128 and 128 bytes.
|
|
|
1506 *
|
|
272
|
1507 * OpenSSL's i2d_SSL_SESSION() and d2i_SSL_SESSION are slow,
|
|
|
1508 * so they are outside the code locked by shared pool mutex
|
|
|
1509 */
|
|
|
1510
|
|
|
1511 static int
|
|
|
1512 ngx_ssl_new_session(ngx_ssl_conn_t *ssl_conn, ngx_ssl_session_t *sess)
|
|
|
1513 {
|
|
|
1514 int len;
|
|
274
|
1515 u_char *p, *id, *cached_sess;
|
|
272
|
1516 uint32_t hash;
|
|
|
1517 SSL_CTX *ssl_ctx;
|
|
|
1518 ngx_shm_zone_t *shm_zone;
|
|
|
1519 ngx_connection_t *c;
|
|
|
1520 ngx_slab_pool_t *shpool;
|
|
|
1521 ngx_ssl_sess_id_t *sess_id;
|
|
|
1522 ngx_ssl_session_cache_t *cache;
|
|
|
1523 u_char buf[NGX_SSL_MAX_SESSION_SIZE];
|
|
|
1524
|
|
|
1525 len = i2d_SSL_SESSION(sess, NULL);
|
|
|
1526
|
|
|
1527 /* do not cache too big session */
|
|
|
1528
|
|
|
1529 if (len > (int) NGX_SSL_MAX_SESSION_SIZE) {
|
|
|
1530 return 0;
|
|
|
1531 }
|
|
|
1532
|
|
|
1533 p = buf;
|
|
|
1534 i2d_SSL_SESSION(sess, &p);
|
|
|
1535
|
|
|
1536 c = ngx_ssl_get_connection(ssl_conn);
|
|
|
1537
|
|
|
1538 ssl_ctx = SSL_get_SSL_CTX(ssl_conn);
|
|
|
1539 shm_zone = SSL_CTX_get_ex_data(ssl_ctx, ngx_ssl_session_cache_index);
|
|
|
1540
|
|
|
1541 cache = shm_zone->data;
|
|
|
1542 shpool = (ngx_slab_pool_t *) shm_zone->shm.addr;
|
|
|
1543
|
|
|
1544 ngx_shmtx_lock(&shpool->mutex);
|
|
|
1545
|
|
|
1546 /* drop one or two expired sessions */
|
|
|
1547 ngx_ssl_expire_sessions(cache, shpool, 1);
|
|
|
1548
|
|
274
|
1549 cached_sess = ngx_slab_alloc_locked(shpool, len);
|
|
272
|
1550
|
|
|
1551 if (cached_sess == NULL) {
|
|
|
1552
|
|
|
1553 /* drop the oldest non-expired session and try once more */
|
|
|
1554
|
|
|
1555 ngx_ssl_expire_sessions(cache, shpool, 0);
|
|
|
1556
|
|
274
|
1557 cached_sess = ngx_slab_alloc_locked(shpool, len);
|
|
272
|
1558
|
|
|
1559 if (cached_sess == NULL) {
|
|
274
|
1560 sess_id = NULL;
|
|
272
|
1561 goto failed;
|
|
|
1562 }
|
|
|
1563 }
|
|
|
1564
|
|
|
1565 sess_id = ngx_slab_alloc_locked(shpool, sizeof(ngx_ssl_sess_id_t));
|
|
|
1566 if (sess_id == NULL) {
|
|
|
1567 goto failed;
|
|
|
1568 }
|
|
|
1569
|
|
274
|
1570 #if (NGX_PTR_SIZE == 8)
|
|
|
1571
|
|
|
1572 id = sess_id->sess_id;
|
|
|
1573
|
|
|
1574 #else
|
|
|
1575
|
|
|
1576 id = ngx_slab_alloc_locked(shpool, sess->session_id_length);
|
|
|
1577 if (id == NULL) {
|
|
|
1578 goto failed;
|
|
|
1579 }
|
|
|
1580
|
|
|
1581 #endif
|
|
|
1582
|
|
|
1583 ngx_memcpy(cached_sess, buf, len);
|
|
272
|
1584
|
|
|
1585 ngx_memcpy(id, sess->session_id, sess->session_id_length);
|
|
|
1586
|
|
|
1587 hash = ngx_crc32_short(sess->session_id, sess->session_id_length);
|
|
|
1588
|
|
|
1589 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
530
|
1590 "ssl new session: %08XD:%d:%d",
|
|
272
|
1591 hash, sess->session_id_length, len);
|
|
|
1592
|
|
|
1593 sess_id->node.key = hash;
|
|
|
1594 sess_id->node.data = (u_char) sess->session_id_length;
|
|
|
1595 sess_id->id = id;
|
|
|
1596 sess_id->len = len;
|
|
|
1597 sess_id->session = cached_sess;
|
|
|
1598
|
|
358
|
1599 sess_id->expire = ngx_time() + SSL_CTX_get_timeout(ssl_ctx);
|
|
|
1600
|
|
|
1601 ngx_queue_insert_head(&cache->expire_queue, &sess_id->queue);
|
|
|
1602
|
|
|
1603 ngx_rbtree_insert(&cache->session_rbtree, &sess_id->node);
|
|
272
|
1604
|
|
|
1605 ngx_shmtx_unlock(&shpool->mutex);
|
|
|
1606
|
|
|
1607 return 0;
|
|
|
1608
|
|
|
1609 failed:
|
|
|
1610
|
|
|
1611 if (cached_sess) {
|
|
|
1612 ngx_slab_free_locked(shpool, cached_sess);
|
|
|
1613 }
|
|
|
1614
|
|
274
|
1615 if (sess_id) {
|
|
|
1616 ngx_slab_free_locked(shpool, sess_id);
|
|
272
|
1617 }
|
|
|
1618
|
|
|
1619 ngx_shmtx_unlock(&shpool->mutex);
|
|
|
1620
|
|
|
1621 ngx_log_error(NGX_LOG_ALERT, c->log, 0,
|
|
|
1622 "could not add new SSL session to the session cache");
|
|
|
1623
|
|
|
1624 return 0;
|
|
|
1625 }
|
|
|
1626
|
|
|
1627
|
|
|
1628 static ngx_ssl_session_t *
|
|
|
1629 ngx_ssl_get_cached_session(ngx_ssl_conn_t *ssl_conn, u_char *id, int len,
|
|
|
1630 int *copy)
|
|
|
1631 {
|
|
|
1632 #if OPENSSL_VERSION_NUMBER >= 0x0090707fL
|
|
|
1633 const
|
|
|
1634 #endif
|
|
|
1635 u_char *p;
|
|
|
1636 uint32_t hash;
|
|
274
|
1637 ngx_int_t rc;
|
|
272
|
1638 ngx_shm_zone_t *shm_zone;
|
|
|
1639 ngx_slab_pool_t *shpool;
|
|
|
1640 ngx_connection_t *c;
|
|
|
1641 ngx_rbtree_node_t *node, *sentinel;
|
|
|
1642 ngx_ssl_session_t *sess;
|
|
|
1643 ngx_ssl_sess_id_t *sess_id;
|
|
|
1644 ngx_ssl_session_cache_t *cache;
|
|
|
1645 u_char buf[NGX_SSL_MAX_SESSION_SIZE];
|
|
|
1646
|
|
|
1647 c = ngx_ssl_get_connection(ssl_conn);
|
|
|
1648
|
|
274
|
1649 hash = ngx_crc32_short(id, (size_t) len);
|
|
272
|
1650 *copy = 0;
|
|
|
1651
|
|
|
1652 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
530
|
1653 "ssl get session: %08XD:%d", hash, len);
|
|
272
|
1654
|
|
|
1655 shm_zone = SSL_CTX_get_ex_data(SSL_get_SSL_CTX(ssl_conn),
|
|
|
1656 ngx_ssl_session_cache_index);
|
|
|
1657
|
|
|
1658 cache = shm_zone->data;
|
|
|
1659
|
|
|
1660 sess = NULL;
|
|
|
1661
|
|
|
1662 shpool = (ngx_slab_pool_t *) shm_zone->shm.addr;
|
|
|
1663
|
|
|
1664 ngx_shmtx_lock(&shpool->mutex);
|
|
|
1665
|
|
358
|
1666 node = cache->session_rbtree.root;
|
|
|
1667 sentinel = cache->session_rbtree.sentinel;
|
|
272
|
1668
|
|
|
1669 while (node != sentinel) {
|
|
|
1670
|
|
|
1671 if (hash < node->key) {
|
|
|
1672 node = node->left;
|
|
|
1673 continue;
|
|
|
1674 }
|
|
|
1675
|
|
|
1676 if (hash > node->key) {
|
|
|
1677 node = node->right;
|
|
|
1678 continue;
|
|
|
1679 }
|
|
|
1680
|
|
274
|
1681 /* hash == node->key */
|
|
|
1682
|
|
|
1683 do {
|
|
272
|
1684 sess_id = (ngx_ssl_sess_id_t *) node;
|
|
|
1685
|
|
274
|
1686 rc = ngx_memn2cmp(id, sess_id->id,
|
|
|
1687 (size_t) len, (size_t) node->data);
|
|
|
1688 if (rc == 0) {
|
|
272
|
1689
|
|
358
|
1690 if (sess_id->expire > ngx_time()) {
|
|
274
|
1691 ngx_memcpy(buf, sess_id->session, sess_id->len);
|
|
272
|
1692
|
|
|
1693 ngx_shmtx_unlock(&shpool->mutex);
|
|
|
1694
|
|
|
1695 p = buf;
|
|
|
1696 sess = d2i_SSL_SESSION(NULL, &p, sess_id->len);
|
|
|
1697
|
|
|
1698 return sess;
|
|
|
1699 }
|
|
|
1700
|
|
358
|
1701 ngx_queue_remove(&sess_id->queue);
|
|
|
1702
|
|
|
1703 ngx_rbtree_delete(&cache->session_rbtree, node);
|
|
272
|
1704
|
|
274
|
1705 ngx_slab_free_locked(shpool, sess_id->session);
|
|
|
1706 #if (NGX_PTR_SIZE == 4)
|
|
272
|
1707 ngx_slab_free_locked(shpool, sess_id->id);
|
|
274
|
1708 #endif
|
|
272
|
1709 ngx_slab_free_locked(shpool, sess_id);
|
|
|
1710
|
|
|
1711 sess = NULL;
|
|
|
1712
|
|
274
|
1713 goto done;
|
|
272
|
1714 }
|
|
274
|
1715
|
|
|
1716 node = (rc < 0) ? node->left : node->right;
|
|
|
1717
|
|
|
1718 } while (node != sentinel && hash == node->key);
|
|
|
1719
|
|
|
1720 break;
|
|
272
|
1721 }
|
|
|
1722
|
|
274
|
1723 done:
|
|
|
1724
|
|
272
|
1725 ngx_shmtx_unlock(&shpool->mutex);
|
|
|
1726
|
|
|
1727 return sess;
|
|
|
1728 }
|
|
|
1729
|
|
|
1730
|
|
366
|
1731 void
|
|
|
1732 ngx_ssl_remove_cached_session(SSL_CTX *ssl, ngx_ssl_session_t *sess)
|
|
|
1733 {
|
|
|
1734 SSL_CTX_remove_session(ssl, sess);
|
|
|
1735
|
|
|
1736 ngx_ssl_remove_session(ssl, sess);
|
|
|
1737 }
|
|
|
1738
|
|
|
1739
|
|
272
|
1740 static void
|
|
|
1741 ngx_ssl_remove_session(SSL_CTX *ssl, ngx_ssl_session_t *sess)
|
|
|
1742 {
|
|
274
|
1743 size_t len;
|
|
|
1744 u_char *id;
|
|
272
|
1745 uint32_t hash;
|
|
274
|
1746 ngx_int_t rc;
|
|
272
|
1747 ngx_shm_zone_t *shm_zone;
|
|
|
1748 ngx_slab_pool_t *shpool;
|
|
|
1749 ngx_rbtree_node_t *node, *sentinel;
|
|
|
1750 ngx_ssl_sess_id_t *sess_id;
|
|
|
1751 ngx_ssl_session_cache_t *cache;
|
|
|
1752
|
|
|
1753 shm_zone = SSL_CTX_get_ex_data(ssl, ngx_ssl_session_cache_index);
|
|
|
1754
|
|
366
|
1755 if (shm_zone == NULL) {
|
|
|
1756 return;
|
|
|
1757 }
|
|
|
1758
|
|
272
|
1759 cache = shm_zone->data;
|
|
|
1760
|
|
|
1761 id = sess->session_id;
|
|
274
|
1762 len = (size_t) sess->session_id_length;
|
|
|
1763
|
|
|
1764 hash = ngx_crc32_short(id, len);
|
|
272
|
1765
|
|
|
1766 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ngx_cycle->log, 0,
|
|
530
|
1767 "ssl remove session: %08XD:%uz", hash, len);
|
|
272
|
1768
|
|
|
1769 shpool = (ngx_slab_pool_t *) shm_zone->shm.addr;
|
|
|
1770
|
|
|
1771 ngx_shmtx_lock(&shpool->mutex);
|
|
|
1772
|
|
358
|
1773 node = cache->session_rbtree.root;
|
|
|
1774 sentinel = cache->session_rbtree.sentinel;
|
|
272
|
1775
|
|
|
1776 while (node != sentinel) {
|
|
|
1777
|
|
|
1778 if (hash < node->key) {
|
|
|
1779 node = node->left;
|
|
|
1780 continue;
|
|
|
1781 }
|
|
|
1782
|
|
|
1783 if (hash > node->key) {
|
|
|
1784 node = node->right;
|
|
|
1785 continue;
|
|
|
1786 }
|
|
|
1787
|
|
274
|
1788 /* hash == node->key */
|
|
|
1789
|
|
|
1790 do {
|
|
272
|
1791 sess_id = (ngx_ssl_sess_id_t *) node;
|
|
|
1792
|
|
274
|
1793 rc = ngx_memn2cmp(id, sess_id->id, len, (size_t) node->data);
|
|
|
1794
|
|
|
1795 if (rc == 0) {
|
|
358
|
1796
|
|
|
1797 ngx_queue_remove(&sess_id->queue);
|
|
|
1798
|
|
|
1799 ngx_rbtree_delete(&cache->session_rbtree, node);
|
|
272
|
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
|
|
274
|
1807 goto done;
|
|
272
|
1808 }
|
|
274
|
1809
|
|
|
1810 node = (rc < 0) ? node->left : node->right;
|
|
|
1811
|
|
|
1812 } while (node != sentinel && hash == node->key);
|
|
|
1813
|
|
|
1814 break;
|
|
272
|
1815 }
|
|
|
1816
|
|
274
|
1817 done:
|
|
|
1818
|
|
272
|
1819 ngx_shmtx_unlock(&shpool->mutex);
|
|
|
1820 }
|
|
|
1821
|
|
|
1822
|
|
|
1823 static void
|
|
|
1824 ngx_ssl_expire_sessions(ngx_ssl_session_cache_t *cache,
|
|
|
1825 ngx_slab_pool_t *shpool, ngx_uint_t n)
|
|
|
1826 {
|
|
358
|
1827 time_t now;
|
|
|
1828 ngx_queue_t *q;
|
|
274
|
1829 ngx_ssl_sess_id_t *sess_id;
|
|
272
|
1830
|
|
358
|
1831 now = ngx_time();
|
|
272
|
1832
|
|
|
1833 while (n < 3) {
|
|
|
1834
|
|
358
|
1835 if (ngx_queue_empty(&cache->expire_queue)) {
|
|
272
|
1836 return;
|
|
|
1837 }
|
|
|
1838
|
|
358
|
1839 q = ngx_queue_last(&cache->expire_queue);
|
|
|
1840
|
|
|
1841 sess_id = ngx_queue_data(q, ngx_ssl_sess_id_t, queue);
|
|
|
1842
|
|
|
1843 if (n++ != 0 && sess_id->expire > now) {
|
|
332
|
1844 return;
|
|
272
|
1845 }
|
|
|
1846
|
|
358
|
1847 ngx_queue_remove(q);
|
|
272
|
1848
|
|
|
1849 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, ngx_cycle->log, 0,
|
|
|
1850 "expire session: %08Xi", sess_id->node.key);
|
|
|
1851
|
|
358
|
1852 ngx_rbtree_delete(&cache->session_rbtree, &sess_id->node);
|
|
|
1853
|
|
274
|
1854 ngx_slab_free_locked(shpool, sess_id->session);
|
|
|
1855 #if (NGX_PTR_SIZE == 4)
|
|
272
|
1856 ngx_slab_free_locked(shpool, sess_id->id);
|
|
274
|
1857 #endif
|
|
272
|
1858 ngx_slab_free_locked(shpool, sess_id);
|
|
|
1859 }
|
|
|
1860 }
|
|
|
1861
|
|
|
1862
|
|
274
|
1863 static void
|
|
|
1864 ngx_ssl_session_rbtree_insert_value(ngx_rbtree_node_t *temp,
|
|
|
1865 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel)
|
|
|
1866 {
|
|
356
|
1867 ngx_rbtree_node_t **p;
|
|
|
1868 ngx_ssl_sess_id_t *sess_id, *sess_id_temp;
|
|
274
|
1869
|
|
|
1870 for ( ;; ) {
|
|
|
1871
|
|
|
1872 if (node->key < temp->key) {
|
|
|
1873
|
|
356
|
1874 p = &temp->left;
|
|
274
|
1875
|
|
|
1876 } else if (node->key > temp->key) {
|
|
|
1877
|
|
356
|
1878 p = &temp->right;
|
|
274
|
1879
|
|
|
1880 } else { /* node->key == temp->key */
|
|
|
1881
|
|
|
1882 sess_id = (ngx_ssl_sess_id_t *) node;
|
|
|
1883 sess_id_temp = (ngx_ssl_sess_id_t *) temp;
|
|
|
1884
|
|
356
|
1885 p = (ngx_memn2cmp(sess_id->id, sess_id_temp->id,
|
|
|
1886 (size_t) node->data, (size_t) temp->data)
|
|
|
1887 < 0) ? &temp->left : &temp->right;
|
|
274
|
1888 }
|
|
356
|
1889
|
|
|
1890 if (*p == sentinel) {
|
|
|
1891 break;
|
|
|
1892 }
|
|
|
1893
|
|
|
1894 temp = *p;
|
|
274
|
1895 }
|
|
|
1896
|
|
356
|
1897 *p = node;
|
|
274
|
1898 node->parent = temp;
|
|
|
1899 node->left = sentinel;
|
|
|
1900 node->right = sentinel;
|
|
|
1901 ngx_rbt_red(node);
|
|
276
|
1902 }
|
|
274
|
1903
|
|
|
1904
|
|
58
|
1905 void
|
|
|
1906 ngx_ssl_cleanup_ctx(void *data)
|
|
|
1907 {
|
|
138
|
1908 ngx_ssl_t *ssl = data;
|
|
58
|
1909
|
|
138
|
1910 SSL_CTX_free(ssl->ctx);
|
|
58
|
1911 }
|
|
90
|
1912
|
|
|
1913
|
|
220
|
1914 ngx_int_t
|
|
|
1915 ngx_ssl_get_protocol(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
|
|
160
|
1916 {
|
|
220
|
1917 s->data = (u_char *) SSL_get_version(c->ssl->connection);
|
|
|
1918 return NGX_OK;
|
|
160
|
1919 }
|
|
|
1920
|
|
|
1921
|
|
220
|
1922 ngx_int_t
|
|
|
1923 ngx_ssl_get_cipher_name(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
|
|
160
|
1924 {
|
|
220
|
1925 s->data = (u_char *) SSL_get_cipher_name(c->ssl->connection);
|
|
|
1926 return NGX_OK;
|
|
160
|
1927 }
|
|
|
1928
|
|
|
1929
|
|
196
|
1930 ngx_int_t
|
|
530
|
1931 ngx_ssl_get_session_id(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
|
|
|
1932 {
|
|
|
1933 int len;
|
|
|
1934 u_char *p, *buf;
|
|
|
1935 SSL_SESSION *sess;
|
|
|
1936
|
|
|
1937 sess = SSL_get0_session(c->ssl->connection);
|
|
|
1938
|
|
|
1939 len = i2d_SSL_SESSION(sess, NULL);
|
|
|
1940
|
|
|
1941 buf = ngx_alloc(len, c->log);
|
|
|
1942 if (buf == NULL) {
|
|
|
1943 return NGX_ERROR;
|
|
|
1944 }
|
|
|
1945
|
|
|
1946 s->len = 2 * len;
|
|
|
1947 s->data = ngx_pnalloc(pool, 2 * len);
|
|
|
1948 if (s->data == NULL) {
|
|
|
1949 ngx_free(buf);
|
|
|
1950 return NGX_ERROR;
|
|
|
1951 }
|
|
|
1952
|
|
|
1953 p = buf;
|
|
|
1954 i2d_SSL_SESSION(sess, &p);
|
|
|
1955
|
|
|
1956 ngx_hex_dump(s->data, buf, len);
|
|
|
1957
|
|
|
1958 ngx_free(buf);
|
|
|
1959
|
|
|
1960 return NGX_OK;
|
|
|
1961 }
|
|
|
1962
|
|
|
1963
|
|
|
1964 ngx_int_t
|
|
390
|
1965 ngx_ssl_get_raw_certificate(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
|
|
380
|
1966 {
|
|
|
1967 size_t len;
|
|
|
1968 BIO *bio;
|
|
|
1969 X509 *cert;
|
|
|
1970
|
|
|
1971 s->len = 0;
|
|
|
1972
|
|
|
1973 cert = SSL_get_peer_certificate(c->ssl->connection);
|
|
|
1974 if (cert == NULL) {
|
|
|
1975 return NGX_OK;
|
|
|
1976 }
|
|
|
1977
|
|
|
1978 bio = BIO_new(BIO_s_mem());
|
|
|
1979 if (bio == NULL) {
|
|
|
1980 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "BIO_new() failed");
|
|
|
1981 X509_free(cert);
|
|
|
1982 return NGX_ERROR;
|
|
|
1983 }
|
|
|
1984
|
|
|
1985 if (PEM_write_bio_X509(bio, cert) == 0) {
|
|
|
1986 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "PEM_write_bio_X509() failed");
|
|
|
1987 goto failed;
|
|
|
1988 }
|
|
|
1989
|
|
|
1990 len = BIO_pending(bio);
|
|
|
1991 s->len = len;
|
|
|
1992
|
|
382
|
1993 s->data = ngx_pnalloc(pool, len);
|
|
380
|
1994 if (s->data == NULL) {
|
|
|
1995 goto failed;
|
|
|
1996 }
|
|
|
1997
|
|
|
1998 BIO_read(bio, s->data, len);
|
|
|
1999
|
|
|
2000 BIO_free(bio);
|
|
|
2001 X509_free(cert);
|
|
|
2002
|
|
|
2003 return NGX_OK;
|
|
|
2004
|
|
|
2005 failed:
|
|
|
2006
|
|
|
2007 BIO_free(bio);
|
|
|
2008 X509_free(cert);
|
|
|
2009
|
|
|
2010 return NGX_ERROR;
|
|
|
2011 }
|
|
|
2012
|
|
|
2013
|
|
|
2014 ngx_int_t
|
|
390
|
2015 ngx_ssl_get_certificate(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
|
|
|
2016 {
|
|
|
2017 u_char *p;
|
|
|
2018 size_t len;
|
|
|
2019 ngx_uint_t i;
|
|
|
2020 ngx_str_t cert;
|
|
|
2021
|
|
|
2022 if (ngx_ssl_get_raw_certificate(c, pool, &cert) != NGX_OK) {
|
|
|
2023 return NGX_ERROR;
|
|
|
2024 }
|
|
|
2025
|
|
|
2026 if (cert.len == 0) {
|
|
|
2027 s->len = 0;
|
|
|
2028 return NGX_OK;
|
|
|
2029 }
|
|
|
2030
|
|
|
2031 len = cert.len - 1;
|
|
|
2032
|
|
|
2033 for (i = 0; i < cert.len - 1; i++) {
|
|
|
2034 if (cert.data[i] == LF) {
|
|
|
2035 len++;
|
|
|
2036 }
|
|
|
2037 }
|
|
|
2038
|
|
|
2039 s->len = len;
|
|
|
2040 s->data = ngx_pnalloc(pool, len);
|
|
|
2041 if (s->data == NULL) {
|
|
|
2042 return NGX_ERROR;
|
|
|
2043 }
|
|
|
2044
|
|
|
2045 p = s->data;
|
|
|
2046
|
|
510
|
2047 for (i = 0; i < cert.len - 1; i++) {
|
|
390
|
2048 *p++ = cert.data[i];
|
|
|
2049 if (cert.data[i] == LF) {
|
|
|
2050 *p++ = '\t';
|
|
|
2051 }
|
|
|
2052 }
|
|
|
2053
|
|
|
2054 return NGX_OK;
|
|
|
2055 }
|
|
|
2056
|
|
|
2057
|
|
|
2058 ngx_int_t
|
|
196
|
2059 ngx_ssl_get_subject_dn(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
|
|
|
2060 {
|
|
|
2061 char *p;
|
|
|
2062 size_t len;
|
|
|
2063 X509 *cert;
|
|
|
2064 X509_NAME *name;
|
|
|
2065
|
|
|
2066 s->len = 0;
|
|
|
2067
|
|
|
2068 cert = SSL_get_peer_certificate(c->ssl->connection);
|
|
|
2069 if (cert == NULL) {
|
|
|
2070 return NGX_OK;
|
|
|
2071 }
|
|
|
2072
|
|
|
2073 name = X509_get_subject_name(cert);
|
|
|
2074 if (name == NULL) {
|
|
372
|
2075 X509_free(cert);
|
|
196
|
2076 return NGX_ERROR;
|
|
|
2077 }
|
|
|
2078
|
|
|
2079 p = X509_NAME_oneline(name, NULL, 0);
|
|
|
2080
|
|
|
2081 for (len = 0; p[len]; len++) { /* void */ }
|
|
|
2082
|
|
|
2083 s->len = len;
|
|
382
|
2084 s->data = ngx_pnalloc(pool, len);
|
|
196
|
2085 if (s->data == NULL) {
|
|
|
2086 OPENSSL_free(p);
|
|
372
|
2087 X509_free(cert);
|
|
196
|
2088 return NGX_ERROR;
|
|
|
2089 }
|
|
|
2090
|
|
|
2091 ngx_memcpy(s->data, p, len);
|
|
|
2092
|
|
|
2093 OPENSSL_free(p);
|
|
372
|
2094 X509_free(cert);
|
|
196
|
2095
|
|
|
2096 return NGX_OK;
|
|
|
2097 }
|
|
|
2098
|
|
|
2099
|
|
|
2100 ngx_int_t
|
|
|
2101 ngx_ssl_get_issuer_dn(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
|
|
|
2102 {
|
|
|
2103 char *p;
|
|
|
2104 size_t len;
|
|
|
2105 X509 *cert;
|
|
|
2106 X509_NAME *name;
|
|
|
2107
|
|
|
2108 s->len = 0;
|
|
|
2109
|
|
|
2110 cert = SSL_get_peer_certificate(c->ssl->connection);
|
|
|
2111 if (cert == NULL) {
|
|
|
2112 return NGX_OK;
|
|
|
2113 }
|
|
|
2114
|
|
|
2115 name = X509_get_issuer_name(cert);
|
|
|
2116 if (name == NULL) {
|
|
372
|
2117 X509_free(cert);
|
|
196
|
2118 return NGX_ERROR;
|
|
|
2119 }
|
|
|
2120
|
|
|
2121 p = X509_NAME_oneline(name, NULL, 0);
|
|
|
2122
|
|
|
2123 for (len = 0; p[len]; len++) { /* void */ }
|
|
|
2124
|
|
|
2125 s->len = len;
|
|
382
|
2126 s->data = ngx_pnalloc(pool, len);
|
|
196
|
2127 if (s->data == NULL) {
|
|
|
2128 OPENSSL_free(p);
|
|
372
|
2129 X509_free(cert);
|
|
196
|
2130 return NGX_ERROR;
|
|
|
2131 }
|
|
|
2132
|
|
|
2133 ngx_memcpy(s->data, p, len);
|
|
|
2134
|
|
|
2135 OPENSSL_free(p);
|
|
372
|
2136 X509_free(cert);
|
|
196
|
2137
|
|
|
2138 return NGX_OK;
|
|
|
2139 }
|
|
|
2140
|
|
|
2141
|
|
220
|
2142 ngx_int_t
|
|
|
2143 ngx_ssl_get_serial_number(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
|
|
|
2144 {
|
|
|
2145 size_t len;
|
|
|
2146 X509 *cert;
|
|
|
2147 BIO *bio;
|
|
|
2148
|
|
|
2149 s->len = 0;
|
|
|
2150
|
|
|
2151 cert = SSL_get_peer_certificate(c->ssl->connection);
|
|
|
2152 if (cert == NULL) {
|
|
|
2153 return NGX_OK;
|
|
|
2154 }
|
|
|
2155
|
|
|
2156 bio = BIO_new(BIO_s_mem());
|
|
|
2157 if (bio == NULL) {
|
|
372
|
2158 X509_free(cert);
|
|
220
|
2159 return NGX_ERROR;
|
|
|
2160 }
|
|
|
2161
|
|
|
2162 i2a_ASN1_INTEGER(bio, X509_get_serialNumber(cert));
|
|
|
2163 len = BIO_pending(bio);
|
|
|
2164
|
|
|
2165 s->len = len;
|
|
382
|
2166 s->data = ngx_pnalloc(pool, len);
|
|
220
|
2167 if (s->data == NULL) {
|
|
|
2168 BIO_free(bio);
|
|
372
|
2169 X509_free(cert);
|
|
220
|
2170 return NGX_ERROR;
|
|
|
2171 }
|
|
|
2172
|
|
|
2173 BIO_read(bio, s->data, len);
|
|
|
2174 BIO_free(bio);
|
|
372
|
2175 X509_free(cert);
|
|
220
|
2176
|
|
|
2177 return NGX_OK;
|
|
|
2178 }
|
|
|
2179
|
|
|
2180
|
|
510
|
2181 ngx_int_t
|
|
|
2182 ngx_ssl_get_client_verify(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
|
|
|
2183 {
|
|
|
2184 X509 *cert;
|
|
|
2185
|
|
|
2186 if (SSL_get_verify_result(c->ssl->connection) != X509_V_OK) {
|
|
|
2187 s->len = sizeof("FAILED") - 1;
|
|
|
2188 s->data = (u_char *) "FAILED";
|
|
|
2189
|
|
|
2190 return NGX_OK;
|
|
|
2191 }
|
|
|
2192
|
|
|
2193 cert = SSL_get_peer_certificate(c->ssl->connection);
|
|
|
2194
|
|
|
2195 if (cert) {
|
|
|
2196 s->len = sizeof("SUCCESS") - 1;
|
|
|
2197 s->data = (u_char *) "SUCCESS";
|
|
|
2198
|
|
|
2199 } else {
|
|
|
2200 s->len = sizeof("NONE") - 1;
|
|
|
2201 s->data = (u_char *) "NONE";
|
|
|
2202 }
|
|
|
2203
|
|
|
2204 X509_free(cert);
|
|
|
2205
|
|
|
2206 return NGX_OK;
|
|
|
2207 }
|
|
|
2208
|
|
|
2209
|
|
90
|
2210 static void *
|
|
|
2211 ngx_openssl_create_conf(ngx_cycle_t *cycle)
|
|
|
2212 {
|
|
|
2213 ngx_openssl_conf_t *oscf;
|
|
126
|
2214
|
|
90
|
2215 oscf = ngx_pcalloc(cycle->pool, sizeof(ngx_openssl_conf_t));
|
|
|
2216 if (oscf == NULL) {
|
|
496
|
2217 return NULL;
|
|
90
|
2218 }
|
|
126
|
2219
|
|
90
|
2220 /*
|
|
|
2221 * set by ngx_pcalloc():
|
|
126
|
2222 *
|
|
446
|
2223 * oscf->engine = 0;
|
|
126
|
2224 */
|
|
90
|
2225
|
|
|
2226 return oscf;
|
|
|
2227 }
|
|
|
2228
|
|
|
2229
|
|
|
2230 static char *
|
|
446
|
2231 ngx_openssl_engine(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
90
|
2232 {
|
|
|
2233 ngx_openssl_conf_t *oscf = conf;
|
|
120
|
2234
|
|
446
|
2235 ENGINE *engine;
|
|
|
2236 ngx_str_t *value;
|
|
|
2237
|
|
|
2238 if (oscf->engine) {
|
|
|
2239 return "is duplicate";
|
|
90
|
2240 }
|
|
126
|
2241
|
|
446
|
2242 oscf->engine = 1;
|
|
|
2243
|
|
|
2244 value = cf->args->elts;
|
|
|
2245
|
|
|
2246 engine = ENGINE_by_id((const char *) value[1].data);
|
|
90
|
2247
|
|
|
2248 if (engine == NULL) {
|
|
446
|
2249 ngx_ssl_error(NGX_LOG_WARN, cf->log, 0,
|
|
|
2250 "ENGINE_by_id(\"%V\") failed", &value[1]);
|
|
90
|
2251 return NGX_CONF_ERROR;
|
|
|
2252 }
|
|
|
2253
|
|
|
2254 if (ENGINE_set_default(engine, ENGINE_METHOD_ALL) == 0) {
|
|
446
|
2255 ngx_ssl_error(NGX_LOG_WARN, cf->log, 0,
|
|
90
|
2256 "ENGINE_set_default(\"%V\", ENGINE_METHOD_ALL) failed",
|
|
446
|
2257 &value[1]);
|
|
|
2258
|
|
|
2259 ENGINE_free(engine);
|
|
|
2260
|
|
90
|
2261 return NGX_CONF_ERROR;
|
|
|
2262 }
|
|
|
2263
|
|
|
2264 ENGINE_free(engine);
|
|
|
2265
|
|
|
2266 return NGX_CONF_OK;
|
|
446
|
2267 }
|
|
120
|
2268
|
|
|
2269
|
|
|
2270 static void
|
|
|
2271 ngx_openssl_exit(ngx_cycle_t *cycle)
|
|
|
2272 {
|
|
|
2273 ENGINE_cleanup();
|
|
|
2274 }
|
