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_http.h>
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10
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28
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11 #include <openssl/engine.h>
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12
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0
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13
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14 #define NGX_DEFLAUT_CERTIFICATE "cert.pem"
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15 #define NGX_DEFLAUT_CERTIFICATE_KEY "cert.pem"
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16
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17
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28
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18 static void *ngx_http_ssl_create_main_conf(ngx_conf_t *cf);
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19 static char *ngx_http_ssl_init_main_conf(ngx_conf_t *cf, void *conf);
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0
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20 static void *ngx_http_ssl_create_srv_conf(ngx_conf_t *cf);
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21 static char *ngx_http_ssl_merge_srv_conf(ngx_conf_t *cf,
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50
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22 void *parent, void *child);
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0
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23
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24
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25 static ngx_command_t ngx_http_ssl_commands[] = {
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26
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28
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27 { ngx_string("ssl_engine"),
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28 NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1,
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29 ngx_conf_set_str_slot,
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30 NGX_HTTP_MAIN_CONF_OFFSET,
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31 offsetof(ngx_http_ssl_main_conf_t, engine),
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32 NULL },
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33
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0
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34 { ngx_string("ssl"),
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35 NGX_HTTP_SRV_CONF|NGX_CONF_FLAG,
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36 ngx_conf_set_flag_slot,
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37 NGX_HTTP_SRV_CONF_OFFSET,
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38 offsetof(ngx_http_ssl_srv_conf_t, enable),
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39 NULL },
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40
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41 { ngx_string("ssl_certificate"),
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42 NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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43 ngx_conf_set_str_slot,
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44 NGX_HTTP_SRV_CONF_OFFSET,
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45 offsetof(ngx_http_ssl_srv_conf_t, certificate),
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46 NULL },
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47
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48 { ngx_string("ssl_certificate_key"),
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49 NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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50 ngx_conf_set_str_slot,
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51 NGX_HTTP_SRV_CONF_OFFSET,
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52 offsetof(ngx_http_ssl_srv_conf_t, certificate_key),
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53 NULL },
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54
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28
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55 { ngx_string("ssl_ciphers"),
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56 NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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57 ngx_conf_set_str_slot,
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58 NGX_HTTP_SRV_CONF_OFFSET,
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59 offsetof(ngx_http_ssl_srv_conf_t, ciphers),
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60 NULL },
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61
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0
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62 ngx_null_command
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63 };
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64
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65
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66 static ngx_http_module_t ngx_http_ssl_module_ctx = {
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67 NULL, /* pre conf */
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68
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28
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69 ngx_http_ssl_create_main_conf, /* create main configuration */
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70 ngx_http_ssl_init_main_conf, /* init main configuration */
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71
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72 ngx_http_ssl_create_srv_conf, /* create server configuration */
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73 ngx_http_ssl_merge_srv_conf, /* merge server configuration */
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74
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75 NULL, /* create location configuration */
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34
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76 NULL /* merge location configuration */
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77 };
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78
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79
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80 ngx_module_t ngx_http_ssl_module = {
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81 NGX_MODULE,
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82 &ngx_http_ssl_module_ctx, /* module context */
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83 ngx_http_ssl_commands, /* module directives */
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84 NGX_HTTP_MODULE, /* module type */
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85 NULL, /* init module */
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86 NULL /* init process */
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87 };
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88
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89
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50
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90 static void *
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91 ngx_http_ssl_create_main_conf(ngx_conf_t *cf)
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92 {
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93 ngx_http_ssl_main_conf_t *mcf;
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94
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95 mcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_ssl_main_conf_t));
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96 if (mcf == NULL) {
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28
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97 return NGX_CONF_ERROR;
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98 }
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99
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100 /*
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101 * set by ngx_pcalloc():
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102 *
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103 * mcf->engine.len = 0;
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104 * mcf->engine.data = NULL;
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105 */
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106
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107 return mcf;
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108 }
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109
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110
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111 static char *
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112 ngx_http_ssl_init_main_conf(ngx_conf_t *cf, void *conf)
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113 {
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114 ngx_http_ssl_main_conf_t *mcf = conf;
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115
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116 ENGINE *engine;
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117
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118 if (mcf->engine.len == 0) {
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119 return NGX_CONF_OK;
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120 }
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121
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122 engine = ENGINE_by_id((const char *) mcf->engine.data);
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123
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124 if (engine == NULL) {
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125 ngx_ssl_error(NGX_LOG_WARN, cf->log, 0,
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126 "ENGINE_by_id(\"%V\") failed", &mcf->engine);
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127 return NGX_CONF_ERROR;
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128 }
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129
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130 if (ENGINE_set_default(engine, ENGINE_METHOD_ALL) == 0) {
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131 ngx_ssl_error(NGX_LOG_WARN, cf->log, 0,
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132 "ENGINE_set_default(\"%V\", ENGINE_METHOD_ALL) failed",
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133 &mcf->engine);
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134 return NGX_CONF_ERROR;
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135 }
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136
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137 ENGINE_free(engine);
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138
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139 return NGX_CONF_OK;
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140 }
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141
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142
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143 static void *
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144 ngx_http_ssl_create_srv_conf(ngx_conf_t *cf)
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0
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145 {
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146 ngx_http_ssl_srv_conf_t *scf;
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147
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148 scf = ngx_pcalloc(cf->pool, sizeof(ngx_http_ssl_srv_conf_t));
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149 if (scf == NULL) {
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150 return NGX_CONF_ERROR;
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151 }
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152
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28
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153 /*
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154 * set by ngx_pcalloc():
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155 *
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156 * scf->certificate.len = 0;
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157 * scf->certificate.data = NULL;
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158 * scf->certificate_key.len = 0;
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159 * scf->certificate_key.data = NULL;
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160 * scf->ciphers.len = 0;
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161 * scf->ciphers.data = NULL;
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162 */
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163
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164 scf->enable = NGX_CONF_UNSET;
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165
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166 return scf;
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167 }
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168
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169
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170 static char *
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171 ngx_http_ssl_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child)
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0
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172 {
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173 ngx_http_ssl_srv_conf_t *prev = parent;
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174 ngx_http_ssl_srv_conf_t *conf = child;
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175
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176 ngx_conf_merge_value(conf->enable, prev->enable, 0);
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177
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178 if (conf->enable == 0) {
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179 return NGX_CONF_OK;
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180 }
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181
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182 ngx_conf_merge_str_value(conf->certificate, prev->certificate,
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183 NGX_DEFLAUT_CERTIFICATE);
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184
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185 ngx_conf_merge_str_value(conf->certificate_key, prev->certificate_key,
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186 NGX_DEFLAUT_CERTIFICATE_KEY);
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187
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188 ngx_conf_merge_str_value(conf->ciphers, prev->ciphers, "");
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189
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190
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0
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191 /* TODO: configure methods */
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192
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193 conf->ssl_ctx = SSL_CTX_new(SSLv23_server_method());
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194
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195 if (conf->ssl_ctx == NULL) {
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196 ngx_ssl_error(NGX_LOG_EMERG, cf->log, 0, "SSL_CTX_new() failed");
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197 return NGX_CONF_ERROR;
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198 }
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199
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56
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200 #if 0
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201 SSL_CTX_set_options(conf->ssl_ctx, SSL_OP_ALL);
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202 SSL_CTX_set_options(conf->ssl_ctx, SSL_OP_NO_SSLv3);
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203 SSL_CTX_set_options(conf->ssl_ctx, SSL_OP_SINGLE_DH_USE);
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204 #endif
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205
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206 if (conf->ciphers.len) {
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207 if (SSL_CTX_set_cipher_list(conf->ssl_ctx,
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208 (const char *) conf->ciphers.data) == 0)
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209 {
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210 ngx_ssl_error(NGX_LOG_EMERG, cf->log, 0,
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211 "SSL_CTX_set_cipher_list(\"%V\") failed",
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212 &conf->ciphers);
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213 }
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214 }
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215
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216 if (SSL_CTX_use_certificate_file(conf->ssl_ctx,
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217 (char *) conf->certificate.data,
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218 SSL_FILETYPE_PEM) == 0) {
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219 ngx_ssl_error(NGX_LOG_EMERG, cf->log, 0,
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220 "SSL_CTX_use_certificate_file(\"%s\") failed",
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221 conf->certificate.data);
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222 return NGX_CONF_ERROR;
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223 }
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224
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225 if (SSL_CTX_use_PrivateKey_file(conf->ssl_ctx,
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226 (char *) conf->certificate_key.data,
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227 SSL_FILETYPE_PEM) == 0) {
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228 ngx_ssl_error(NGX_LOG_EMERG, cf->log, 0,
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229 "SSL_CTX_use_PrivateKey_file(\"%s\") failed",
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230 conf->certificate_key.data);
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231 return NGX_CONF_ERROR;
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232 }
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233
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234 return NGX_CONF_OK;
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235 }
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236
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237
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238 #if 0
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239
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240 static ngx_int_t
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241 ngx_http_ssl_init_process(ngx_cycle_t *cycle)
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242 {
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243 ngx_uint_t i;
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244 ngx_http_ssl_srv_conf_t *sscf;
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245 ngx_http_core_srv_conf_t **cscfp;
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246 ngx_http_core_main_conf_t *cmcf;
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247
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248 cmcf = ngx_http_cycle_get_module_main_conf(cycle, ngx_http_core_module);
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249
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250 cscfp = cmcf->servers.elts;
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251
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252 for (i = 0; i < cmcf->servers.nelts; i++) {
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253 sscf = cscfp[i]->ctx->srv_conf[ngx_http_ssl_module.ctx_index];
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254
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255 if (sscf->enable) {
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256 cscfp[i]->recv = ngx_ssl_recv;
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257 cscfp[i]->send_chain = ngx_ssl_send_chain;
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258 }
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259 }
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260
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261 return NGX_OK;
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262 }
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263
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264 #endif
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