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0
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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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5
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6
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9 #include <ngx_event.h>
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10
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90
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11
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12 typedef struct {
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13 ngx_str_t engine;
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14 } ngx_openssl_conf_t;
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28
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15
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0
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16
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220
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17 static int ngx_http_ssl_verify_callback(int ok, X509_STORE_CTX *x509_store);
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96
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18 static void ngx_ssl_handshake_handler(ngx_event_t *ev);
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38
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19 static ngx_int_t ngx_ssl_handle_recv(ngx_connection_t *c, int n);
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22
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20 static void ngx_ssl_write_handler(ngx_event_t *wev);
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21 static void ngx_ssl_read_handler(ngx_event_t *rev);
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126
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22 static void ngx_ssl_shutdown_handler(ngx_event_t *ev);
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96
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23 static void ngx_ssl_connection_error(ngx_connection_t *c, int sslerr,
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24 ngx_err_t err, char *text);
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90
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25 static void *ngx_openssl_create_conf(ngx_cycle_t *cycle);
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26 static char *ngx_openssl_init_conf(ngx_cycle_t *cycle, void *conf);
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120
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27 static void ngx_openssl_exit(ngx_cycle_t *cycle);
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90
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28
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29 #if !(NGX_SSL_ENGINE)
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30 static char *ngx_openssl_noengine(ngx_conf_t *cf, ngx_command_t *cmd,
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31 void *conf);
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32 #endif
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33
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34
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35 static ngx_command_t ngx_openssl_commands[] = {
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36
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37 { ngx_string("ssl_engine"),
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38 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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39 #if (NGX_SSL_ENGINE)
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40 ngx_conf_set_str_slot,
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41 #else
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42 ngx_openssl_noengine,
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43 #endif
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44 0,
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45 offsetof(ngx_openssl_conf_t, engine),
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46 NULL },
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47
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48 ngx_null_command
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49 };
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50
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51
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52 static ngx_core_module_t ngx_openssl_module_ctx = {
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53 ngx_string("openssl"),
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54 ngx_openssl_create_conf,
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55 ngx_openssl_init_conf
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126
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56 };
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90
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57
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58
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59 ngx_module_t ngx_openssl_module = {
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60 NGX_MODULE_V1,
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61 &ngx_openssl_module_ctx, /* module context */
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62 ngx_openssl_commands, /* module directives */
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63 NGX_CORE_MODULE, /* module type */
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64 NULL, /* init master */
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65 NULL, /* init module */
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66 NULL, /* init process */
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67 NULL, /* init thread */
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68 NULL, /* exit thread */
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69 NULL, /* exit process */
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120
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70 ngx_openssl_exit, /* exit master */
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90
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71 NGX_MODULE_V1_PADDING
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96
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72 };
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73
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74
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75 static long ngx_ssl_protocols[] = {
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76 SSL_OP_NO_SSLv2|SSL_OP_NO_SSLv3|SSL_OP_NO_TLSv1,
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77 SSL_OP_NO_SSLv3|SSL_OP_NO_TLSv1,
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78 SSL_OP_NO_SSLv2|SSL_OP_NO_TLSv1,
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79 SSL_OP_NO_TLSv1,
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80 SSL_OP_NO_SSLv2|SSL_OP_NO_SSLv3,
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81 SSL_OP_NO_SSLv3,
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82 SSL_OP_NO_SSLv2,
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83 0,
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84 };
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0
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85
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86
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220
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87 int ngx_connection_index;
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88
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89
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38
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90 ngx_int_t
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91 ngx_ssl_init(ngx_log_t *log)
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0
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92 {
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93 SSL_library_init();
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94 SSL_load_error_strings();
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90
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95
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96 #if (NGX_SSL_ENGINE)
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28
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97 ENGINE_load_builtin_engines();
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90
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98 #endif
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0
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99
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220
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100 ngx_connection_index = SSL_get_ex_new_index(0, NULL, NULL, NULL, NULL);
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101
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102 if (ngx_connection_index == -1) {
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103 ngx_ssl_error(NGX_LOG_ALERT, log, 0, "SSL_get_ex_new_index() failed");
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104 return NGX_ERROR;
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105 }
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106
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0
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107 return NGX_OK;
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108 }
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109
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110
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38
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111 ngx_int_t
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96
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112 ngx_ssl_create(ngx_ssl_t *ssl, ngx_uint_t protocols)
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113 {
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126
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114 ssl->ctx = SSL_CTX_new(SSLv23_method());
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96
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115
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116 if (ssl->ctx == NULL) {
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117 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0, "SSL_CTX_new() failed");
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118 return NGX_ERROR;
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119 }
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120
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126
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121 /* client side options */
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122
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123 SSL_CTX_set_options(ssl->ctx, SSL_OP_MICROSOFT_SESS_ID_BUG);
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124 SSL_CTX_set_options(ssl->ctx, SSL_OP_NETSCAPE_CHALLENGE_BUG);
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125 SSL_CTX_set_options(ssl->ctx, SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG);
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126
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127 /* server side options */
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112
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128
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129 SSL_CTX_set_options(ssl->ctx, SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG);
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130 SSL_CTX_set_options(ssl->ctx, SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER);
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131
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132 /* this option allow a potential SSL 2.0 rollback (CAN-2005-2969) */
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133 SSL_CTX_set_options(ssl->ctx, SSL_OP_MSIE_SSLV2_RSA_PADDING);
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134
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135 SSL_CTX_set_options(ssl->ctx, SSL_OP_SSLEAY_080_CLIENT_DH_BUG);
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136 SSL_CTX_set_options(ssl->ctx, SSL_OP_TLS_D5_BUG);
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137 SSL_CTX_set_options(ssl->ctx, SSL_OP_TLS_BLOCK_PADDING_BUG);
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138
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139 #ifdef SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS
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140 SSL_CTX_set_options(ssl->ctx, SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS);
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141 #endif
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142
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96
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143
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144 if (ngx_ssl_protocols[protocols >> 1] != 0) {
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145 SSL_CTX_set_options(ssl->ctx, ngx_ssl_protocols[protocols >> 1]);
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146 }
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147
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148 SSL_CTX_set_mode(ssl->ctx, SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER);
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149
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150 SSL_CTX_set_read_ahead(ssl->ctx, 1);
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151
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152 return NGX_OK;
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153 }
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154
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155
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156 ngx_int_t
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112
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157 ngx_ssl_certificate(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_str_t *cert,
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158 ngx_str_t *key)
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96
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159 {
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112
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160 if (ngx_conf_full_name(cf->cycle, cert) == NGX_ERROR) {
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96
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161 return NGX_ERROR;
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162 }
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163
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112
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164 if (SSL_CTX_use_certificate_chain_file(ssl->ctx, (char *) cert->data)
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96
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165 == 0)
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166 {
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167 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
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112
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168 "SSL_CTX_use_certificate_chain_file(\"%s\") failed",
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169 cert->data);
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170 return NGX_ERROR;
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171 }
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172
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173 if (ngx_conf_full_name(cf->cycle, key) == NGX_ERROR) {
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174 return NGX_ERROR;
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175 }
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176
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177 if (SSL_CTX_use_PrivateKey_file(ssl->ctx, (char *) key->data,
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196
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178 SSL_FILETYPE_PEM)
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179 == 0)
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112
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180 {
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181 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
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182 "SSL_CTX_use_PrivateKey_file(\"%s\") failed", key->data);
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96
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183 return NGX_ERROR;
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184 }
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185
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186 return NGX_OK;
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187 }
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188
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189
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190 ngx_int_t
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220
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191 ngx_ssl_client_certificate(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_str_t *cert,
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192 ngx_int_t depth)
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196
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193 {
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220
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194 STACK_OF(X509_NAME) *list;
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195
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196 SSL_CTX_set_verify(ssl->ctx, SSL_VERIFY_PEER, ngx_http_ssl_verify_callback);
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197
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198 SSL_CTX_set_verify_depth(ssl->ctx, depth);
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199
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200 if (cert->len == 0) {
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201 return NGX_OK;
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202 }
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203
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196
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204 if (ngx_conf_full_name(cf->cycle, cert) == NGX_ERROR) {
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205 return NGX_ERROR;
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206 }
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207
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208 if (SSL_CTX_load_verify_locations(ssl->ctx, (char *) cert->data, NULL)
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209 == 0)
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210 {
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211 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
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212 "SSL_CTX_load_verify_locations(\"%s\") failed",
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213 cert->data);
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214 return NGX_ERROR;
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215 }
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216
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220
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217 list = SSL_load_client_CA_file((char *) cert->data);
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218
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219 if (list == NULL) {
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220 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
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221 "SSL_load_client_CA_file(\"%s\") failed", cert->data);
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222 return NGX_ERROR;
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223 }
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224
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225 /*
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226 * before 0.9.7h and 0.9.8 SSL_load_client_CA_file()
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227 * always leaved an error in the error queue
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228 */
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229
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230 ERR_clear_error();
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231
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232 SSL_CTX_set_client_CA_list(ssl->ctx, list);
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233
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196
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234 return NGX_OK;
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235 }
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236
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237
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220
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238 static int
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239 ngx_http_ssl_verify_callback(int ok, X509_STORE_CTX *x509_store)
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240 {
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241 char *subject, *issuer;
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242 int err, depth;
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243 X509 *cert;
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244 X509_NAME *name;
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245 ngx_connection_t *c;
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246 ngx_ssl_conn_t *ssl_conn;
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247
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248 ssl_conn = X509_STORE_CTX_get_ex_data(x509_store,
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249 SSL_get_ex_data_X509_STORE_CTX_idx());
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250
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251 c = ngx_ssl_get_connection(ssl_conn);
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252
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253 cert = X509_STORE_CTX_get_current_cert(x509_store);
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254 err = X509_STORE_CTX_get_error(x509_store);
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255 depth = X509_STORE_CTX_get_error_depth(x509_store);
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256
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257 name = X509_get_subject_name(cert);
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258 subject = name ? X509_NAME_oneline(name, NULL, 0) : "(none)";
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259
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260 name = X509_get_issuer_name(cert);
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261 issuer = name ? X509_NAME_oneline(name, NULL, 0) : "(none)";
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262
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263 ngx_log_debug5(NGX_LOG_DEBUG_HTTP, c->log, 0,
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264 "verify:%d, error:%d, depth:%d, "
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265 "subject:\"%s\",issuer: \"%s\"",
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266 ok, err, depth, subject, issuer);
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267
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268 return 1;
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269 }
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270
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271
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196
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272 ngx_int_t
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96
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273 ngx_ssl_generate_rsa512_key(ngx_ssl_t *ssl)
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274 {
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220
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275 RSA *key;
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276
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108
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277 if (SSL_CTX_need_tmp_RSA(ssl->ctx) == 0) {
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278 return NGX_OK;
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279 }
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280
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220
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281 key = RSA_generate_key(512, RSA_F4, NULL, NULL);
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96
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282
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220
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283 if (key) {
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284 SSL_CTX_set_tmp_rsa(ssl->ctx, key);
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285
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286 RSA_free(key);
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287
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96
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288 return NGX_OK;
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289 }
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290
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291 ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0, "RSA_generate_key(512) failed");
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292
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293 return NGX_ERROR;
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294 }
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295
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296
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297 ngx_int_t
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298 ngx_ssl_create_connection(ngx_ssl_t *ssl, ngx_connection_t *c, ngx_uint_t flags)
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126
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299 {
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96
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300 ngx_ssl_connection_t *sc;
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0
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301
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96
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302 sc = ngx_pcalloc(c->pool, sizeof(ngx_ssl_connection_t));
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303 if (sc == NULL) {
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0
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304 return NGX_ERROR;
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305 }
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306
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92
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307 if (flags & NGX_SSL_BUFFER) {
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96
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308 sc->buffer = 1;
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92
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309
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96
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310 sc->buf = ngx_create_temp_buf(c->pool, NGX_SSL_BUFSIZE);
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311 if (sc->buf == NULL) {
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92
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312 return NGX_ERROR;
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313 }
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0
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314 }
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315
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96
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316 sc->connection = SSL_new(ssl->ctx);
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0
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317
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96
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318 if (sc->connection == NULL) {
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0
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319 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "SSL_new() failed");
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320 return NGX_ERROR;
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321 }
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322
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96
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323 if (SSL_set_fd(sc->connection, c->fd) == 0) {
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0
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324 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "SSL_set_fd() failed");
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325 return NGX_ERROR;
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326 }
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327
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126
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328 if (flags & NGX_SSL_CLIENT) {
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329 SSL_set_connect_state(sc->connection);
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330
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331 } else {
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332 SSL_set_accept_state(sc->connection);
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333 }
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0
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334
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220
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335 if (SSL_set_ex_data(sc->connection, ngx_connection_index, c) == 0) {
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336 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "SSL_set_ex_data() failed");
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337 return NGX_ERROR;
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338 }
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339
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96
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340 c->ssl = sc;
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0
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341
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342 return NGX_OK;
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343 }
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344
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345
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96
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346 ngx_int_t
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126
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347 ngx_ssl_set_session(ngx_connection_t *c, ngx_ssl_session_t *session)
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348 {
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349 if (session) {
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350 if (SSL_set_session(c->ssl->connection, session) == 0) {
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351 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "SSL_set_session() failed");
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352 return NGX_ERROR;
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353 }
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354 }
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355
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356 return NGX_OK;
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357 }
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358
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359
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360 ngx_int_t
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96
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361 ngx_ssl_handshake(ngx_connection_t *c)
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362 {
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363 int n, sslerr;
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364 ngx_err_t err;
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365
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366 n = SSL_do_handshake(c->ssl->connection);
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367
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126
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368 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_do_handshake: %d", n);
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96
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369
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370 if (n == 1) {
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371
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372 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) {
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373 return NGX_ERROR;
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374 }
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375
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376 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) {
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377 return NGX_ERROR;
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378 }
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379
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380 #if (NGX_DEBUG)
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381 {
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382 char buf[129], *s, *d;
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383 SSL_CIPHER *cipher;
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384
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385 cipher = SSL_get_current_cipher(c->ssl->connection);
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386
|
|
|
387 if (cipher) {
|
|
|
388 SSL_CIPHER_description(cipher, &buf[1], 128);
|
|
|
389
|
|
|
390 for (s = &buf[1], d = buf; *s; s++) {
|
|
|
391 if (*s == ' ' && *d == ' ') {
|
|
|
392 continue;
|
|
|
393 }
|
|
|
394
|
|
|
395 if (*s == LF || *s == CR) {
|
|
|
396 continue;
|
|
|
397 }
|
|
|
398
|
|
|
399 *++d = *s;
|
|
|
400 }
|
|
|
401
|
|
|
402 if (*d != ' ') {
|
|
|
403 d++;
|
|
|
404 }
|
|
|
405
|
|
|
406 *d = '\0';
|
|
|
407
|
|
132
|
408 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
96
|
409 "SSL: %s, cipher: \"%s\"",
|
|
126
|
410 SSL_get_version(c->ssl->connection), &buf[1]);
|
|
96
|
411
|
|
|
412 if (SSL_session_reused(c->ssl->connection)) {
|
|
132
|
413 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
96
|
414 "SSL reused session");
|
|
|
415 }
|
|
|
416
|
|
|
417 } else {
|
|
|
418 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
126
|
419 "SSL no shared ciphers");
|
|
96
|
420 }
|
|
|
421 }
|
|
|
422 #endif
|
|
|
423
|
|
|
424 c->ssl->handshaked = 1;
|
|
|
425
|
|
|
426 c->recv = ngx_ssl_recv;
|
|
|
427 c->send = ngx_ssl_write;
|
|
126
|
428 c->recv_chain = ngx_ssl_recv_chain;
|
|
|
429 c->send_chain = ngx_ssl_send_chain;
|
|
96
|
430
|
|
|
431 return NGX_OK;
|
|
|
432 }
|
|
|
433
|
|
|
434 sslerr = SSL_get_error(c->ssl->connection, n);
|
|
|
435
|
|
|
436 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", sslerr);
|
|
|
437
|
|
|
438 if (sslerr == SSL_ERROR_WANT_READ) {
|
|
|
439 c->read->ready = 0;
|
|
|
440 c->read->handler = ngx_ssl_handshake_handler;
|
|
140
|
441 c->write->handler = ngx_ssl_handshake_handler;
|
|
96
|
442
|
|
|
443 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) {
|
|
|
444 return NGX_ERROR;
|
|
|
445 }
|
|
|
446
|
|
|
447 return NGX_AGAIN;
|
|
|
448 }
|
|
|
449
|
|
|
450 if (sslerr == SSL_ERROR_WANT_WRITE) {
|
|
|
451 c->write->ready = 0;
|
|
140
|
452 c->read->handler = ngx_ssl_handshake_handler;
|
|
96
|
453 c->write->handler = ngx_ssl_handshake_handler;
|
|
|
454
|
|
|
455 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) {
|
|
|
456 return NGX_ERROR;
|
|
|
457 }
|
|
|
458
|
|
|
459 return NGX_AGAIN;
|
|
|
460 }
|
|
|
461
|
|
|
462 err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0;
|
|
|
463
|
|
|
464 c->ssl->no_wait_shutdown = 1;
|
|
|
465 c->ssl->no_send_shutdown = 1;
|
|
140
|
466 c->read->eof = 1;
|
|
96
|
467
|
|
|
468 if (sslerr == SSL_ERROR_ZERO_RETURN || ERR_peek_error() == 0) {
|
|
|
469 ngx_log_error(NGX_LOG_INFO, c->log, err,
|
|
126
|
470 "peer closed connection in SSL handshake");
|
|
96
|
471
|
|
|
472 return NGX_ERROR;
|
|
|
473 }
|
|
|
474
|
|
140
|
475 c->read->error = 1;
|
|
|
476
|
|
96
|
477 ngx_ssl_connection_error(c, sslerr, err, "SSL_do_handshake() failed");
|
|
|
478
|
|
|
479 return NGX_ERROR;
|
|
|
480 }
|
|
|
481
|
|
|
482
|
|
|
483 static void
|
|
|
484 ngx_ssl_handshake_handler(ngx_event_t *ev)
|
|
|
485 {
|
|
|
486 ngx_connection_t *c;
|
|
|
487
|
|
|
488 c = ev->data;
|
|
|
489
|
|
98
|
490 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
126
|
491 "SSL handshake handler: %d", ev->write);
|
|
96
|
492
|
|
140
|
493 if (ev->timedout) {
|
|
|
494 c->ssl->handler(c);
|
|
|
495 return;
|
|
|
496 }
|
|
|
497
|
|
96
|
498 if (ngx_ssl_handshake(c) == NGX_AGAIN) {
|
|
|
499 return;
|
|
|
500 }
|
|
|
501
|
|
|
502 c->ssl->handler(c);
|
|
|
503 }
|
|
|
504
|
|
|
505
|
|
38
|
506 ssize_t
|
|
126
|
507 ngx_ssl_recv_chain(ngx_connection_t *c, ngx_chain_t *cl)
|
|
|
508 {
|
|
|
509 ssize_t n, bytes;
|
|
|
510 ngx_buf_t *b;
|
|
|
511
|
|
|
512 bytes = 0;
|
|
|
513
|
|
|
514 while (cl) {
|
|
|
515 b = cl->buf;
|
|
|
516
|
|
|
517 n = ngx_ssl_recv(c, b->last, b->end - b->last);
|
|
|
518
|
|
|
519 if (n > 0) {
|
|
|
520 b->last += n;
|
|
|
521 bytes += n;
|
|
|
522
|
|
|
523 if (b->last == b->end) {
|
|
|
524 cl = cl->next;
|
|
|
525 }
|
|
|
526
|
|
|
527 continue;
|
|
|
528 }
|
|
|
529
|
|
|
530 if (bytes) {
|
|
|
531 return bytes;
|
|
|
532 }
|
|
|
533
|
|
|
534 return n;
|
|
|
535 }
|
|
|
536
|
|
|
537 return bytes;
|
|
|
538 }
|
|
|
539
|
|
|
540
|
|
|
541 ssize_t
|
|
38
|
542 ngx_ssl_recv(ngx_connection_t *c, u_char *buf, size_t size)
|
|
0
|
543 {
|
|
38
|
544 int n, bytes;
|
|
|
545
|
|
|
546 if (c->ssl->last == NGX_ERROR) {
|
|
|
547 return NGX_ERROR;
|
|
|
548 }
|
|
|
549
|
|
126
|
550 if (c->ssl->last == NGX_DONE) {
|
|
|
551 return 0;
|
|
|
552 }
|
|
|
553
|
|
38
|
554 bytes = 0;
|
|
0
|
555
|
|
38
|
556 /*
|
|
|
557 * SSL_read() may return data in parts, so try to read
|
|
|
558 * until SSL_read() would return no data
|
|
|
559 */
|
|
|
560
|
|
|
561 for ( ;; ) {
|
|
0
|
562
|
|
92
|
563 n = SSL_read(c->ssl->connection, buf, size);
|
|
38
|
564
|
|
126
|
565 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_read: %d", n);
|
|
0
|
566
|
|
38
|
567 if (n > 0) {
|
|
|
568 bytes += n;
|
|
|
569 }
|
|
|
570
|
|
|
571 c->ssl->last = ngx_ssl_handle_recv(c, n);
|
|
|
572
|
|
|
573 if (c->ssl->last != NGX_OK) {
|
|
28
|
574
|
|
38
|
575 if (bytes) {
|
|
|
576 return bytes;
|
|
126
|
577 }
|
|
38
|
578
|
|
126
|
579 if (c->ssl->last == NGX_DONE) {
|
|
|
580 return 0;
|
|
28
|
581 }
|
|
126
|
582
|
|
|
583 return c->ssl->last;
|
|
28
|
584 }
|
|
|
585
|
|
38
|
586 size -= n;
|
|
|
587
|
|
|
588 if (size == 0) {
|
|
|
589 return bytes;
|
|
|
590 }
|
|
|
591
|
|
|
592 buf += n;
|
|
|
593 }
|
|
|
594 }
|
|
|
595
|
|
|
596
|
|
|
597 static ngx_int_t
|
|
|
598 ngx_ssl_handle_recv(ngx_connection_t *c, int n)
|
|
|
599 {
|
|
96
|
600 int sslerr;
|
|
|
601 ngx_err_t err;
|
|
38
|
602
|
|
|
603 if (n > 0) {
|
|
28
|
604
|
|
22
|
605 if (c->ssl->saved_write_handler) {
|
|
|
606
|
|
58
|
607 c->write->handler = c->ssl->saved_write_handler;
|
|
22
|
608 c->ssl->saved_write_handler = NULL;
|
|
|
609 c->write->ready = 1;
|
|
|
610
|
|
|
611 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) {
|
|
|
612 return NGX_ERROR;
|
|
|
613 }
|
|
|
614
|
|
112
|
615 ngx_post_event(c->write, &ngx_posted_events);
|
|
22
|
616 }
|
|
|
617
|
|
38
|
618 return NGX_OK;
|
|
0
|
619 }
|
|
|
620
|
|
92
|
621 sslerr = SSL_get_error(c->ssl->connection, n);
|
|
0
|
622
|
|
|
623 err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0;
|
|
|
624
|
|
|
625 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", sslerr);
|
|
|
626
|
|
|
627 if (sslerr == SSL_ERROR_WANT_READ) {
|
|
4
|
628 c->read->ready = 0;
|
|
0
|
629 return NGX_AGAIN;
|
|
|
630 }
|
|
|
631
|
|
|
632 if (sslerr == SSL_ERROR_WANT_WRITE) {
|
|
88
|
633
|
|
96
|
634 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
126
|
635 "peer started SSL renegotiation");
|
|
22
|
636
|
|
|
637 c->write->ready = 0;
|
|
|
638
|
|
|
639 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) {
|
|
|
640 return NGX_ERROR;
|
|
|
641 }
|
|
|
642
|
|
|
643 /*
|
|
|
644 * we do not set the timer because there is already the read event timer
|
|
|
645 */
|
|
|
646
|
|
|
647 if (c->ssl->saved_write_handler == NULL) {
|
|
58
|
648 c->ssl->saved_write_handler = c->write->handler;
|
|
|
649 c->write->handler = ngx_ssl_write_handler;
|
|
22
|
650 }
|
|
|
651
|
|
0
|
652 return NGX_AGAIN;
|
|
|
653 }
|
|
|
654
|
|
96
|
655 c->ssl->no_wait_shutdown = 1;
|
|
|
656 c->ssl->no_send_shutdown = 1;
|
|
138
|
657 c->read->eof = 1;
|
|
0
|
658
|
|
|
659 if (sslerr == SSL_ERROR_ZERO_RETURN || ERR_peek_error() == 0) {
|
|
126
|
660 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
|
661 "peer shutdown SSL cleanly");
|
|
|
662 return NGX_DONE;
|
|
0
|
663 }
|
|
|
664
|
|
140
|
665 c->read->error = 1;
|
|
96
|
666 ngx_ssl_connection_error(c, sslerr, err, "SSL_read() failed");
|
|
0
|
667
|
|
|
668 return NGX_ERROR;
|
|
|
669 }
|
|
|
670
|
|
|
671
|
|
38
|
672 static void
|
|
|
673 ngx_ssl_write_handler(ngx_event_t *wev)
|
|
22
|
674 {
|
|
|
675 ngx_connection_t *c;
|
|
|
676
|
|
|
677 c = wev->data;
|
|
96
|
678
|
|
58
|
679 c->read->handler(c->read);
|
|
22
|
680 }
|
|
|
681
|
|
|
682
|
|
0
|
683 /*
|
|
|
684 * OpenSSL has no SSL_writev() so we copy several bufs into our 16K buffer
|
|
22
|
685 * before the SSL_write() call to decrease a SSL overhead.
|
|
0
|
686 *
|
|
|
687 * Besides for protocols such as HTTP it is possible to always buffer
|
|
|
688 * the output to decrease a SSL overhead some more.
|
|
|
689 */
|
|
|
690
|
|
38
|
691 ngx_chain_t *
|
|
|
692 ngx_ssl_send_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit)
|
|
0
|
693 {
|
|
|
694 int n;
|
|
|
695 ngx_uint_t flush;
|
|
|
696 ssize_t send, size;
|
|
|
697 ngx_buf_t *buf;
|
|
|
698
|
|
146
|
699 if (!c->ssl->buffer
|
|
|
700 || (in && in->next == NULL && !(c->buffered & NGX_SSL_BUFFERED)))
|
|
|
701 {
|
|
0
|
702
|
|
|
703 /*
|
|
126
|
704 * we avoid a buffer copy if
|
|
|
705 * we do not need to buffer the output
|
|
|
706 * or the incoming buf is a single and our buffer is empty
|
|
0
|
707 */
|
|
|
708
|
|
126
|
709 while (in) {
|
|
|
710 if (ngx_buf_special(in->buf)) {
|
|
|
711 in = in->next;
|
|
|
712 continue;
|
|
|
713 }
|
|
0
|
714
|
|
126
|
715 n = ngx_ssl_write(c, in->buf->pos, in->buf->last - in->buf->pos);
|
|
|
716
|
|
|
717 if (n == NGX_ERROR) {
|
|
|
718 return NGX_CHAIN_ERROR;
|
|
|
719 }
|
|
0
|
720
|
|
126
|
721 if (n == NGX_AGAIN) {
|
|
146
|
722 c->buffered |= NGX_SSL_BUFFERED;
|
|
126
|
723 return in;
|
|
|
724 }
|
|
|
725
|
|
|
726 in->buf->pos += n;
|
|
|
727
|
|
|
728 if (in->buf->pos == in->buf->last) {
|
|
|
729 in = in->next;
|
|
|
730 }
|
|
0
|
731 }
|
|
|
732
|
|
|
733 return in;
|
|
|
734 }
|
|
|
735
|
|
22
|
736
|
|
|
737 /* the maximum limit size is the maximum uint32_t value - the page size */
|
|
|
738
|
|
|
739 if (limit == 0 || limit > NGX_MAX_UINT32_VALUE - ngx_pagesize) {
|
|
|
740 limit = NGX_MAX_UINT32_VALUE - ngx_pagesize;
|
|
|
741 }
|
|
|
742
|
|
|
743
|
|
126
|
744 buf = c->ssl->buf;
|
|
0
|
745 send = 0;
|
|
|
746 flush = (in == NULL) ? 1 : 0;
|
|
|
747
|
|
|
748 for ( ;; ) {
|
|
|
749
|
|
|
750 while (in && buf->last < buf->end) {
|
|
132
|
751 if (in->buf->last_buf || in->buf->flush) {
|
|
0
|
752 flush = 1;
|
|
|
753 }
|
|
|
754
|
|
|
755 if (ngx_buf_special(in->buf)) {
|
|
|
756 in = in->next;
|
|
|
757 continue;
|
|
|
758 }
|
|
|
759
|
|
|
760 size = in->buf->last - in->buf->pos;
|
|
|
761
|
|
|
762 if (size > buf->end - buf->last) {
|
|
|
763 size = buf->end - buf->last;
|
|
|
764 }
|
|
|
765
|
|
|
766 if (send + size > limit) {
|
|
126
|
767 size = (ssize_t) (limit - send);
|
|
0
|
768 flush = 1;
|
|
|
769 }
|
|
|
770
|
|
|
771 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
|
772 "SSL buf copy: %d", size);
|
|
|
773
|
|
|
774 ngx_memcpy(buf->last, in->buf->pos, size);
|
|
|
775
|
|
|
776 buf->last += size;
|
|
|
777
|
|
|
778 in->buf->pos += size;
|
|
126
|
779
|
|
0
|
780 if (in->buf->pos == in->buf->last) {
|
|
|
781 in = in->next;
|
|
|
782 }
|
|
|
783 }
|
|
|
784
|
|
|
785 size = buf->last - buf->pos;
|
|
|
786
|
|
|
787 if (!flush && buf->last < buf->end && c->ssl->buffer) {
|
|
|
788 break;
|
|
|
789 }
|
|
|
790
|
|
|
791 n = ngx_ssl_write(c, buf->pos, size);
|
|
|
792
|
|
|
793 if (n == NGX_ERROR) {
|
|
|
794 return NGX_CHAIN_ERROR;
|
|
|
795 }
|
|
|
796
|
|
60
|
797 if (n == NGX_AGAIN) {
|
|
146
|
798 c->buffered |= NGX_SSL_BUFFERED;
|
|
60
|
799 return in;
|
|
0
|
800 }
|
|
|
801
|
|
|
802 buf->pos += n;
|
|
|
803 send += n;
|
|
|
804 c->sent += n;
|
|
|
805
|
|
|
806 if (n < size) {
|
|
|
807 break;
|
|
|
808 }
|
|
|
809
|
|
|
810 if (buf->pos == buf->last) {
|
|
|
811 buf->pos = buf->start;
|
|
|
812 buf->last = buf->start;
|
|
|
813 }
|
|
|
814
|
|
|
815 if (in == NULL || send == limit) {
|
|
|
816 break;
|
|
|
817 }
|
|
|
818 }
|
|
|
819
|
|
146
|
820 if (buf->pos < buf->last) {
|
|
|
821 c->buffered |= NGX_SSL_BUFFERED;
|
|
|
822
|
|
|
823 } else {
|
|
|
824 c->buffered &= ~NGX_SSL_BUFFERED;
|
|
|
825 }
|
|
0
|
826
|
|
|
827 return in;
|
|
|
828 }
|
|
|
829
|
|
|
830
|
|
88
|
831 ssize_t
|
|
38
|
832 ngx_ssl_write(ngx_connection_t *c, u_char *data, size_t size)
|
|
0
|
833 {
|
|
96
|
834 int n, sslerr;
|
|
|
835 ngx_err_t err;
|
|
0
|
836
|
|
|
837 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL to write: %d", size);
|
|
|
838
|
|
92
|
839 n = SSL_write(c->ssl->connection, data, size);
|
|
0
|
840
|
|
|
841 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_write: %d", n);
|
|
|
842
|
|
|
843 if (n > 0) {
|
|
88
|
844
|
|
22
|
845 if (c->ssl->saved_read_handler) {
|
|
|
846
|
|
58
|
847 c->read->handler = c->ssl->saved_read_handler;
|
|
22
|
848 c->ssl->saved_read_handler = NULL;
|
|
|
849 c->read->ready = 1;
|
|
|
850
|
|
|
851 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) {
|
|
|
852 return NGX_ERROR;
|
|
|
853 }
|
|
|
854
|
|
112
|
855 ngx_post_event(c->read, &ngx_posted_events);
|
|
22
|
856 }
|
|
|
857
|
|
0
|
858 return n;
|
|
|
859 }
|
|
|
860
|
|
92
|
861 sslerr = SSL_get_error(c->ssl->connection, n);
|
|
0
|
862
|
|
|
863 err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0;
|
|
|
864
|
|
|
865 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", sslerr);
|
|
|
866
|
|
|
867 if (sslerr == SSL_ERROR_WANT_WRITE) {
|
|
|
868 c->write->ready = 0;
|
|
|
869 return NGX_AGAIN;
|
|
|
870 }
|
|
|
871
|
|
|
872 if (sslerr == SSL_ERROR_WANT_READ) {
|
|
2
|
873
|
|
96
|
874 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
126
|
875 "peer started SSL renegotiation");
|
|
22
|
876
|
|
|
877 c->read->ready = 0;
|
|
|
878
|
|
|
879 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) {
|
|
|
880 return NGX_ERROR;
|
|
|
881 }
|
|
|
882
|
|
|
883 /*
|
|
|
884 * we do not set the timer because there is already
|
|
|
885 * the write event timer
|
|
|
886 */
|
|
|
887
|
|
|
888 if (c->ssl->saved_read_handler == NULL) {
|
|
58
|
889 c->ssl->saved_read_handler = c->read->handler;
|
|
|
890 c->read->handler = ngx_ssl_read_handler;
|
|
22
|
891 }
|
|
|
892
|
|
0
|
893 return NGX_AGAIN;
|
|
|
894 }
|
|
|
895
|
|
96
|
896 c->ssl->no_wait_shutdown = 1;
|
|
|
897 c->ssl->no_send_shutdown = 1;
|
|
140
|
898 c->write->error = 1;
|
|
92
|
899
|
|
96
|
900 ngx_ssl_connection_error(c, sslerr, err, "SSL_write() failed");
|
|
0
|
901
|
|
|
902 return NGX_ERROR;
|
|
|
903 }
|
|
|
904
|
|
|
905
|
|
38
|
906 static void
|
|
|
907 ngx_ssl_read_handler(ngx_event_t *rev)
|
|
22
|
908 {
|
|
|
909 ngx_connection_t *c;
|
|
|
910
|
|
|
911 c = rev->data;
|
|
96
|
912
|
|
58
|
913 c->write->handler(c->write);
|
|
22
|
914 }
|
|
|
915
|
|
|
916
|
|
38
|
917 ngx_int_t
|
|
|
918 ngx_ssl_shutdown(ngx_connection_t *c)
|
|
0
|
919 {
|
|
22
|
920 int n, sslerr, mode;
|
|
140
|
921 ngx_err_t err;
|
|
0
|
922 ngx_uint_t again;
|
|
|
923
|
|
126
|
924 if (c->timedout) {
|
|
96
|
925 mode = SSL_RECEIVED_SHUTDOWN|SSL_SENT_SHUTDOWN;
|
|
0
|
926
|
|
96
|
927 } else {
|
|
|
928 mode = SSL_get_shutdown(c->ssl->connection);
|
|
22
|
929
|
|
96
|
930 if (c->ssl->no_wait_shutdown) {
|
|
|
931 mode |= SSL_RECEIVED_SHUTDOWN;
|
|
0
|
932 }
|
|
|
933
|
|
96
|
934 if (c->ssl->no_send_shutdown) {
|
|
|
935 mode |= SSL_SENT_SHUTDOWN;
|
|
0
|
936 }
|
|
|
937 }
|
|
|
938
|
|
96
|
939 SSL_set_shutdown(c->ssl->connection, mode);
|
|
|
940
|
|
0
|
941 again = 0;
|
|
10
|
942 sslerr = 0;
|
|
0
|
943
|
|
|
944 for ( ;; ) {
|
|
92
|
945 n = SSL_shutdown(c->ssl->connection);
|
|
0
|
946
|
|
|
947 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_shutdown: %d", n);
|
|
|
948
|
|
126
|
949 if (n == 1 || (n == 0 && c->timedout)) {
|
|
92
|
950 SSL_free(c->ssl->connection);
|
|
22
|
951 c->ssl = NULL;
|
|
92
|
952
|
|
22
|
953 return NGX_OK;
|
|
|
954 }
|
|
|
955
|
|
0
|
956 if (n == 0) {
|
|
|
957 again = 1;
|
|
|
958 break;
|
|
|
959 }
|
|
|
960
|
|
|
961 break;
|
|
|
962 }
|
|
|
963
|
|
|
964 if (!again) {
|
|
92
|
965 sslerr = SSL_get_error(c->ssl->connection, n);
|
|
0
|
966
|
|
|
967 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
|
968 "SSL_get_error: %d", sslerr);
|
|
|
969 }
|
|
|
970
|
|
138
|
971 if (again
|
|
|
972 || sslerr == SSL_ERROR_WANT_READ
|
|
|
973 || sslerr == SSL_ERROR_WANT_WRITE)
|
|
|
974 {
|
|
126
|
975 c->read->handler = ngx_ssl_shutdown_handler;
|
|
138
|
976 c->write->handler = ngx_ssl_shutdown_handler;
|
|
126
|
977
|
|
0
|
978 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) {
|
|
|
979 return NGX_ERROR;
|
|
|
980 }
|
|
|
981
|
|
|
982 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) {
|
|
|
983 return NGX_ERROR;
|
|
|
984 }
|
|
|
985
|
|
138
|
986 if (again || sslerr == SSL_ERROR_WANT_READ) {
|
|
|
987 ngx_add_timer(c->read, 30000);
|
|
|
988 }
|
|
|
989
|
|
0
|
990 return NGX_AGAIN;
|
|
|
991 }
|
|
|
992
|
|
140
|
993 err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0;
|
|
|
994
|
|
|
995 ngx_ssl_connection_error(c, sslerr, err, "SSL_shutdown() failed");
|
|
0
|
996
|
|
92
|
997 SSL_free(c->ssl->connection);
|
|
|
998 c->ssl = NULL;
|
|
|
999
|
|
0
|
1000 return NGX_ERROR;
|
|
|
1001 }
|
|
|
1002
|
|
|
1003
|
|
96
|
1004 static void
|
|
126
|
1005 ngx_ssl_shutdown_handler(ngx_event_t *ev)
|
|
|
1006 {
|
|
|
1007 ngx_connection_t *c;
|
|
|
1008 ngx_connection_handler_pt handler;
|
|
|
1009
|
|
|
1010 c = ev->data;
|
|
|
1011 handler = c->ssl->handler;
|
|
|
1012
|
|
|
1013 if (ev->timedout) {
|
|
|
1014 c->timedout = 1;
|
|
|
1015 }
|
|
|
1016
|
|
|
1017 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, ev->log, 0, "SSL shutdown handler");
|
|
|
1018
|
|
|
1019 if (ngx_ssl_shutdown(c) == NGX_AGAIN) {
|
|
|
1020 return;
|
|
|
1021 }
|
|
|
1022
|
|
|
1023 handler(c);
|
|
|
1024 }
|
|
|
1025
|
|
|
1026
|
|
|
1027 static void
|
|
96
|
1028 ngx_ssl_connection_error(ngx_connection_t *c, int sslerr, ngx_err_t err,
|
|
|
1029 char *text)
|
|
|
1030 {
|
|
|
1031 ngx_uint_t level;
|
|
|
1032
|
|
|
1033 level = NGX_LOG_CRIT;
|
|
|
1034
|
|
|
1035 if (sslerr == SSL_ERROR_SYSCALL) {
|
|
|
1036
|
|
|
1037 if (err == NGX_ECONNRESET
|
|
|
1038 || err == NGX_EPIPE
|
|
|
1039 || err == NGX_ENOTCONN
|
|
138
|
1040 #if !(NGX_CRIT_ETIMEDOUT)
|
|
|
1041 || err == NGX_ETIMEDOUT
|
|
|
1042 #endif
|
|
96
|
1043 || err == NGX_ECONNREFUSED
|
|
|
1044 || err == NGX_EHOSTUNREACH)
|
|
|
1045 {
|
|
|
1046 switch (c->log_error) {
|
|
|
1047
|
|
|
1048 case NGX_ERROR_IGNORE_ECONNRESET:
|
|
|
1049 case NGX_ERROR_INFO:
|
|
|
1050 level = NGX_LOG_INFO;
|
|
|
1051 break;
|
|
|
1052
|
|
|
1053 case NGX_ERROR_ERR:
|
|
|
1054 level = NGX_LOG_ERR;
|
|
|
1055 break;
|
|
|
1056
|
|
|
1057 default:
|
|
|
1058 break;
|
|
|
1059 }
|
|
|
1060 }
|
|
|
1061 }
|
|
|
1062
|
|
|
1063 ngx_ssl_error(level, c->log, err, text);
|
|
|
1064 }
|
|
|
1065
|
|
|
1066
|
|
132
|
1067 void ngx_cdecl
|
|
38
|
1068 ngx_ssl_error(ngx_uint_t level, ngx_log_t *log, ngx_err_t err, char *fmt, ...)
|
|
126
|
1069 {
|
|
96
|
1070 u_long n;
|
|
|
1071 va_list args;
|
|
10
|
1072 u_char errstr[NGX_MAX_CONF_ERRSTR], *p, *last;
|
|
|
1073
|
|
|
1074 last = errstr + NGX_MAX_CONF_ERRSTR;
|
|
0
|
1075
|
|
|
1076 va_start(args, fmt);
|
|
10
|
1077 p = ngx_vsnprintf(errstr, sizeof(errstr) - 1, fmt, args);
|
|
0
|
1078 va_end(args);
|
|
|
1079
|
|
96
|
1080 p = ngx_cpystrn(p, (u_char *) " (SSL:", last - p);
|
|
|
1081
|
|
132
|
1082 while (p < last) {
|
|
|
1083
|
|
|
1084 n = ERR_get_error();
|
|
|
1085
|
|
|
1086 if (n == 0) {
|
|
|
1087 break;
|
|
|
1088 }
|
|
96
|
1089
|
|
|
1090 *p++ = ' ';
|
|
0
|
1091
|
|
96
|
1092 ERR_error_string_n(n, (char *) p, last - p);
|
|
|
1093
|
|
|
1094 while (p < last && *p) {
|
|
|
1095 p++;
|
|
|
1096 }
|
|
|
1097 }
|
|
0
|
1098
|
|
|
1099 ngx_log_error(level, log, err, "%s)", errstr);
|
|
|
1100 }
|
|
58
|
1101
|
|
|
1102
|
|
|
1103 void
|
|
|
1104 ngx_ssl_cleanup_ctx(void *data)
|
|
|
1105 {
|
|
138
|
1106 ngx_ssl_t *ssl = data;
|
|
58
|
1107
|
|
138
|
1108 SSL_CTX_free(ssl->ctx);
|
|
58
|
1109 }
|
|
90
|
1110
|
|
|
1111
|
|
220
|
1112 ngx_int_t
|
|
|
1113 ngx_ssl_get_protocol(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
|
|
160
|
1114 {
|
|
220
|
1115 s->data = (u_char *) SSL_get_version(c->ssl->connection);
|
|
|
1116 return NGX_OK;
|
|
160
|
1117 }
|
|
|
1118
|
|
|
1119
|
|
220
|
1120 ngx_int_t
|
|
|
1121 ngx_ssl_get_cipher_name(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
|
|
160
|
1122 {
|
|
220
|
1123 s->data = (u_char *) SSL_get_cipher_name(c->ssl->connection);
|
|
|
1124 return NGX_OK;
|
|
160
|
1125 }
|
|
|
1126
|
|
|
1127
|
|
196
|
1128 ngx_int_t
|
|
|
1129 ngx_ssl_get_subject_dn(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
|
|
|
1130 {
|
|
|
1131 char *p;
|
|
|
1132 size_t len;
|
|
|
1133 X509 *cert;
|
|
|
1134 X509_NAME *name;
|
|
|
1135
|
|
|
1136 s->len = 0;
|
|
|
1137
|
|
|
1138 cert = SSL_get_peer_certificate(c->ssl->connection);
|
|
|
1139 if (cert == NULL) {
|
|
|
1140 return NGX_OK;
|
|
|
1141 }
|
|
|
1142
|
|
|
1143 name = X509_get_subject_name(cert);
|
|
|
1144 if (name == NULL) {
|
|
|
1145 return NGX_ERROR;
|
|
|
1146 }
|
|
|
1147
|
|
|
1148 p = X509_NAME_oneline(name, NULL, 0);
|
|
|
1149
|
|
|
1150 for (len = 0; p[len]; len++) { /* void */ }
|
|
|
1151
|
|
|
1152 s->len = len;
|
|
|
1153 s->data = ngx_palloc(pool, len);
|
|
|
1154 if (s->data == NULL) {
|
|
|
1155 OPENSSL_free(p);
|
|
|
1156 return NGX_ERROR;
|
|
|
1157 }
|
|
|
1158
|
|
|
1159 ngx_memcpy(s->data, p, len);
|
|
|
1160
|
|
|
1161 OPENSSL_free(p);
|
|
|
1162
|
|
|
1163 return NGX_OK;
|
|
|
1164 }
|
|
|
1165
|
|
|
1166
|
|
|
1167 ngx_int_t
|
|
|
1168 ngx_ssl_get_issuer_dn(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
|
|
|
1169 {
|
|
|
1170 char *p;
|
|
|
1171 size_t len;
|
|
|
1172 X509 *cert;
|
|
|
1173 X509_NAME *name;
|
|
|
1174
|
|
|
1175 s->len = 0;
|
|
|
1176
|
|
|
1177 cert = SSL_get_peer_certificate(c->ssl->connection);
|
|
|
1178 if (cert == NULL) {
|
|
|
1179 return NGX_OK;
|
|
|
1180 }
|
|
|
1181
|
|
|
1182 name = X509_get_issuer_name(cert);
|
|
|
1183 if (name == NULL) {
|
|
|
1184 return NGX_ERROR;
|
|
|
1185 }
|
|
|
1186
|
|
|
1187 p = X509_NAME_oneline(name, NULL, 0);
|
|
|
1188
|
|
|
1189 for (len = 0; p[len]; len++) { /* void */ }
|
|
|
1190
|
|
|
1191 s->len = len;
|
|
|
1192 s->data = ngx_palloc(pool, len);
|
|
|
1193 if (s->data == NULL) {
|
|
|
1194 OPENSSL_free(p);
|
|
|
1195 return NGX_ERROR;
|
|
|
1196 }
|
|
|
1197
|
|
|
1198 ngx_memcpy(s->data, p, len);
|
|
|
1199
|
|
|
1200 OPENSSL_free(p);
|
|
|
1201
|
|
|
1202 return NGX_OK;
|
|
|
1203 }
|
|
|
1204
|
|
|
1205
|
|
220
|
1206 ngx_int_t
|
|
|
1207 ngx_ssl_get_serial_number(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s)
|
|
|
1208 {
|
|
|
1209 size_t len;
|
|
|
1210 X509 *cert;
|
|
|
1211 BIO *bio;
|
|
|
1212
|
|
|
1213 s->len = 0;
|
|
|
1214
|
|
|
1215 cert = SSL_get_peer_certificate(c->ssl->connection);
|
|
|
1216 if (cert == NULL) {
|
|
|
1217 return NGX_OK;
|
|
|
1218 }
|
|
|
1219
|
|
|
1220 bio = BIO_new(BIO_s_mem());
|
|
|
1221 if (bio == NULL) {
|
|
|
1222 return NGX_ERROR;
|
|
|
1223 }
|
|
|
1224
|
|
|
1225 i2a_ASN1_INTEGER(bio, X509_get_serialNumber(cert));
|
|
|
1226 len = BIO_pending(bio);
|
|
|
1227
|
|
|
1228 s->len = len;
|
|
|
1229 s->data = ngx_palloc(pool, len);
|
|
|
1230 if (s->data == NULL) {
|
|
|
1231 BIO_free(bio);
|
|
|
1232 return NGX_ERROR;
|
|
|
1233 }
|
|
|
1234
|
|
|
1235 BIO_read(bio, s->data, len);
|
|
|
1236 BIO_free(bio);
|
|
|
1237
|
|
|
1238 return NGX_OK;
|
|
|
1239 }
|
|
|
1240
|
|
|
1241
|
|
90
|
1242 static void *
|
|
|
1243 ngx_openssl_create_conf(ngx_cycle_t *cycle)
|
|
|
1244 {
|
|
|
1245 ngx_openssl_conf_t *oscf;
|
|
126
|
1246
|
|
90
|
1247 oscf = ngx_pcalloc(cycle->pool, sizeof(ngx_openssl_conf_t));
|
|
|
1248 if (oscf == NULL) {
|
|
|
1249 return NGX_CONF_ERROR;
|
|
|
1250 }
|
|
126
|
1251
|
|
90
|
1252 /*
|
|
|
1253 * set by ngx_pcalloc():
|
|
126
|
1254 *
|
|
90
|
1255 * oscf->engine.len = 0;
|
|
|
1256 * oscf->engine.data = NULL;
|
|
126
|
1257 */
|
|
90
|
1258
|
|
|
1259 return oscf;
|
|
|
1260 }
|
|
|
1261
|
|
|
1262
|
|
|
1263 static char *
|
|
|
1264 ngx_openssl_init_conf(ngx_cycle_t *cycle, void *conf)
|
|
|
1265 {
|
|
|
1266 #if (NGX_SSL_ENGINE)
|
|
|
1267 ngx_openssl_conf_t *oscf = conf;
|
|
120
|
1268
|
|
90
|
1269 ENGINE *engine;
|
|
|
1270
|
|
|
1271 if (oscf->engine.len == 0) {
|
|
|
1272 return NGX_CONF_OK;
|
|
|
1273 }
|
|
126
|
1274
|
|
90
|
1275 engine = ENGINE_by_id((const char *) oscf->engine.data);
|
|
|
1276
|
|
|
1277 if (engine == NULL) {
|
|
|
1278 ngx_ssl_error(NGX_LOG_WARN, cycle->log, 0,
|
|
|
1279 "ENGINE_by_id(\"%V\") failed", &oscf->engine);
|
|
|
1280 return NGX_CONF_ERROR;
|
|
|
1281 }
|
|
|
1282
|
|
|
1283 if (ENGINE_set_default(engine, ENGINE_METHOD_ALL) == 0) {
|
|
|
1284 ngx_ssl_error(NGX_LOG_WARN, cycle->log, 0,
|
|
|
1285 "ENGINE_set_default(\"%V\", ENGINE_METHOD_ALL) failed",
|
|
|
1286 &oscf->engine);
|
|
|
1287 return NGX_CONF_ERROR;
|
|
|
1288 }
|
|
|
1289
|
|
|
1290 ENGINE_free(engine);
|
|
|
1291
|
|
|
1292 #endif
|
|
|
1293
|
|
|
1294 return NGX_CONF_OK;
|
|
|
1295 }
|
|
|
1296
|
|
|
1297
|
|
|
1298 #if !(NGX_SSL_ENGINE)
|
|
|
1299
|
|
|
1300 static char *
|
|
|
1301 ngx_openssl_noengine(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
1302 {
|
|
|
1303 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
112
|
1304 "\"ssl_engine\" directive is available only in "
|
|
|
1305 "OpenSSL 0.9.7 and higher,");
|
|
90
|
1306
|
|
|
1307 return NGX_CONF_ERROR;
|
|
|
1308 }
|
|
|
1309
|
|
|
1310 #endif
|
|
120
|
1311
|
|
|
1312
|
|
|
1313 static void
|
|
|
1314 ngx_openssl_exit(ngx_cycle_t *cycle)
|
|
|
1315 {
|
|
|
1316 #if (NGX_SSL_ENGINE)
|
|
|
1317 ENGINE_cleanup();
|
|
|
1318 #endif
|
|
|
1319 }
|
