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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_http.h>
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10
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122
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11
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220
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12 typedef ngx_int_t (*ngx_ssl_variable_handler_pt)(ngx_connection_t *c,
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13 ngx_pool_t *pool, ngx_str_t *s);
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160
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14
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15
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632
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16 #define NGX_DEFAULT_CIPHERS "HIGH:!aNULL:!MD5"
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17 #define NGX_DEFAULT_ECDH_CURVE "prime256v1"
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0
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18
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19
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220
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20 static ngx_int_t ngx_http_ssl_static_variable(ngx_http_request_t *r,
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160
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21 ngx_http_variable_value_t *v, uintptr_t data);
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220
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22 static ngx_int_t ngx_http_ssl_variable(ngx_http_request_t *r,
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196
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23 ngx_http_variable_value_t *v, uintptr_t data);
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160
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24
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25 static ngx_int_t ngx_http_ssl_add_variables(ngx_conf_t *cf);
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0
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26 static void *ngx_http_ssl_create_srv_conf(ngx_conf_t *cf);
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27 static char *ngx_http_ssl_merge_srv_conf(ngx_conf_t *cf,
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50
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28 void *parent, void *child);
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0
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29
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404
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30 static char *ngx_http_ssl_enable(ngx_conf_t *cf, ngx_command_t *cmd,
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31 void *conf);
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272
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32 static char *ngx_http_ssl_session_cache(ngx_conf_t *cf, ngx_command_t *cmd,
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33 void *conf);
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34
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0
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35
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96
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36 static ngx_conf_bitmask_t ngx_http_ssl_protocols[] = {
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37 { ngx_string("SSLv2"), NGX_SSL_SSLv2 },
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38 { ngx_string("SSLv3"), NGX_SSL_SSLv3 },
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39 { ngx_string("TLSv1"), NGX_SSL_TLSv1 },
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40 { ngx_null_string, 0 }
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41 };
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42
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43
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390
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44 static ngx_conf_enum_t ngx_http_ssl_verify[] = {
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45 { ngx_string("off"), 0 },
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46 { ngx_string("on"), 1 },
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510
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47 { ngx_string("optional"), 2 },
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390
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48 { ngx_null_string, 0 }
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49 };
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50
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51
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0
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52 static ngx_command_t ngx_http_ssl_commands[] = {
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53
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54 { ngx_string("ssl"),
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148
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55 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG,
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404
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56 ngx_http_ssl_enable,
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0
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57 NGX_HTTP_SRV_CONF_OFFSET,
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58 offsetof(ngx_http_ssl_srv_conf_t, enable),
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59 NULL },
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60
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61 { ngx_string("ssl_certificate"),
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148
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62 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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0
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63 ngx_conf_set_str_slot,
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64 NGX_HTTP_SRV_CONF_OFFSET,
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65 offsetof(ngx_http_ssl_srv_conf_t, certificate),
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66 NULL },
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67
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68 { ngx_string("ssl_certificate_key"),
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148
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69 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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0
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70 ngx_conf_set_str_slot,
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71 NGX_HTTP_SRV_CONF_OFFSET,
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72 offsetof(ngx_http_ssl_srv_conf_t, certificate_key),
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73 NULL },
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74
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380
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75 { ngx_string("ssl_dhparam"),
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76 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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77 ngx_conf_set_str_slot,
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78 NGX_HTTP_SRV_CONF_OFFSET,
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79 offsetof(ngx_http_ssl_srv_conf_t, dhparam),
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80 NULL },
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81
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632
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82 { ngx_string("ssl_ecdh_curve"),
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83 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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84 ngx_conf_set_str_slot,
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85 NGX_HTTP_SRV_CONF_OFFSET,
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86 offsetof(ngx_http_ssl_srv_conf_t, ecdh_curve),
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87 NULL },
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88
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96
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89 { ngx_string("ssl_protocols"),
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112
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90 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_1MORE,
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96
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91 ngx_conf_set_bitmask_slot,
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92 NGX_HTTP_SRV_CONF_OFFSET,
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93 offsetof(ngx_http_ssl_srv_conf_t, protocols),
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94 &ngx_http_ssl_protocols },
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95
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28
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96 { ngx_string("ssl_ciphers"),
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112
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97 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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28
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98 ngx_conf_set_str_slot,
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99 NGX_HTTP_SRV_CONF_OFFSET,
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100 offsetof(ngx_http_ssl_srv_conf_t, ciphers),
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101 NULL },
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102
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196
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103 { ngx_string("ssl_verify_client"),
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216
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104 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG,
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390
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105 ngx_conf_set_enum_slot,
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196
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106 NGX_HTTP_SRV_CONF_OFFSET,
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107 offsetof(ngx_http_ssl_srv_conf_t, verify),
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390
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108 &ngx_http_ssl_verify },
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196
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109
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110 { ngx_string("ssl_verify_depth"),
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111 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_1MORE,
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112 ngx_conf_set_num_slot,
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113 NGX_HTTP_SRV_CONF_OFFSET,
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114 offsetof(ngx_http_ssl_srv_conf_t, verify_depth),
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115 NULL },
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116
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117 { ngx_string("ssl_client_certificate"),
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118 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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119 ngx_conf_set_str_slot,
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120 NGX_HTTP_SRV_CONF_OFFSET,
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121 offsetof(ngx_http_ssl_srv_conf_t, client_certificate),
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122 NULL },
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123
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96
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124 { ngx_string("ssl_prefer_server_ciphers"),
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125 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG,
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126 ngx_conf_set_flag_slot,
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127 NGX_HTTP_SRV_CONF_OFFSET,
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128 offsetof(ngx_http_ssl_srv_conf_t, prefer_server_ciphers),
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129 NULL },
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130
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272
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131 { ngx_string("ssl_session_cache"),
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132 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE12,
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133 ngx_http_ssl_session_cache,
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134 NGX_HTTP_SRV_CONF_OFFSET,
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135 0,
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136 NULL },
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137
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122
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138 { ngx_string("ssl_session_timeout"),
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139 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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140 ngx_conf_set_sec_slot,
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141 NGX_HTTP_SRV_CONF_OFFSET,
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142 offsetof(ngx_http_ssl_srv_conf_t, session_timeout),
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143 NULL },
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144
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510
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145 { ngx_string("ssl_crl"),
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146 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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147 ngx_conf_set_str_slot,
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148 NGX_HTTP_SRV_CONF_OFFSET,
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149 offsetof(ngx_http_ssl_srv_conf_t, crl),
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150 NULL },
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151
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0
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152 ngx_null_command
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153 };
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154
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155
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156 static ngx_http_module_t ngx_http_ssl_module_ctx = {
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160
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157 ngx_http_ssl_add_variables, /* preconfiguration */
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58
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158 NULL, /* postconfiguration */
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0
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159
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90
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160 NULL, /* create main configuration */
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161 NULL, /* init main configuration */
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0
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162
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163 ngx_http_ssl_create_srv_conf, /* create server configuration */
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164 ngx_http_ssl_merge_srv_conf, /* merge server configuration */
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165
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166 NULL, /* create location configuration */
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34
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167 NULL /* merge location configuration */
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0
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168 };
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169
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170
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171 ngx_module_t ngx_http_ssl_module = {
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58
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172 NGX_MODULE_V1,
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0
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173 &ngx_http_ssl_module_ctx, /* module context */
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174 ngx_http_ssl_commands, /* module directives */
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175 NGX_HTTP_MODULE, /* module type */
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90
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176 NULL, /* init master */
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0
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177 NULL, /* init module */
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90
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178 NULL, /* init process */
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179 NULL, /* init thread */
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180 NULL, /* exit thread */
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181 NULL, /* exit process */
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182 NULL, /* exit master */
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183 NGX_MODULE_V1_PADDING
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0
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184 };
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185
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186
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160
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187 static ngx_http_variable_t ngx_http_ssl_vars[] = {
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188
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220
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189 { ngx_string("ssl_protocol"), NULL, ngx_http_ssl_static_variable,
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340
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190 (uintptr_t) ngx_ssl_get_protocol, NGX_HTTP_VAR_CHANGEABLE, 0 },
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160
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191
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220
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192 { ngx_string("ssl_cipher"), NULL, ngx_http_ssl_static_variable,
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340
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193 (uintptr_t) ngx_ssl_get_cipher_name, NGX_HTTP_VAR_CHANGEABLE, 0 },
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160
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194
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530
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195 { ngx_string("ssl_session_id"), NULL, ngx_http_ssl_variable,
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196 (uintptr_t) ngx_ssl_get_session_id, NGX_HTTP_VAR_CHANGEABLE, 0 },
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197
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380
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198 { ngx_string("ssl_client_cert"), NULL, ngx_http_ssl_variable,
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199 (uintptr_t) ngx_ssl_get_certificate, NGX_HTTP_VAR_CHANGEABLE, 0 },
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200
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390
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201 { ngx_string("ssl_client_raw_cert"), NULL, ngx_http_ssl_variable,
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202 (uintptr_t) ngx_ssl_get_raw_certificate,
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203 NGX_HTTP_VAR_CHANGEABLE, 0 },
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204
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220
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205 { ngx_string("ssl_client_s_dn"), NULL, ngx_http_ssl_variable,
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340
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206 (uintptr_t) ngx_ssl_get_subject_dn, NGX_HTTP_VAR_CHANGEABLE, 0 },
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196
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207
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220
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208 { ngx_string("ssl_client_i_dn"), NULL, ngx_http_ssl_variable,
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340
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209 (uintptr_t) ngx_ssl_get_issuer_dn, NGX_HTTP_VAR_CHANGEABLE, 0 },
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220
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210
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211 { ngx_string("ssl_client_serial"), NULL, ngx_http_ssl_variable,
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340
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212 (uintptr_t) ngx_ssl_get_serial_number, NGX_HTTP_VAR_CHANGEABLE, 0 },
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196
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213
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510
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214 { ngx_string("ssl_client_verify"), NULL, ngx_http_ssl_variable,
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215 (uintptr_t) ngx_ssl_get_client_verify, NGX_HTTP_VAR_CHANGEABLE, 0 },
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216
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186
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217 { ngx_null_string, NULL, NULL, 0, 0, 0 }
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160
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218 };
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219
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220
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272
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221 static ngx_str_t ngx_http_ssl_sess_id_ctx = ngx_string("HTTP");
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92
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222
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223
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160
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224 static ngx_int_t
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220
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225 ngx_http_ssl_static_variable(ngx_http_request_t *r,
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160
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226 ngx_http_variable_value_t *v, uintptr_t data)
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227 {
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220
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228 ngx_ssl_variable_handler_pt handler = (ngx_ssl_variable_handler_pt) data;
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160
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229
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320
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230 size_t len;
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231 ngx_str_t s;
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160
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232
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233 if (r->connection->ssl) {
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234
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320
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235 (void) handler(r->connection, NULL, &s);
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236
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237 v->data = s.data;
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160
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238
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220
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239 for (len = 0; v->data[len]; len++) { /* void */ }
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160
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240
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241 v->len = len;
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242 v->valid = 1;
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340
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243 v->no_cacheable = 0;
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160
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244 v->not_found = 0;
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245
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246 return NGX_OK;
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247 }
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248
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249 v->not_found = 1;
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250
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251 return NGX_OK;
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252 }
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253
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254
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255 static ngx_int_t
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220
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256 ngx_http_ssl_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v,
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196
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257 uintptr_t data)
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258 {
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220
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259 ngx_ssl_variable_handler_pt handler = (ngx_ssl_variable_handler_pt) data;
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196
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260
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320
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261 ngx_str_t s;
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262
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196
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263 if (r->connection->ssl) {
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320
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264
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265 if (handler(r->connection, r->pool, &s) != NGX_OK) {
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196
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266 return NGX_ERROR;
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267 }
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268
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320
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269 v->len = s.len;
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270 v->data = s.data;
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271
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196
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272 if (v->len) {
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273 v->valid = 1;
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340
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274 v->no_cacheable = 0;
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196
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275 v->not_found = 0;
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276
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277 return NGX_OK;
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278 }
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279 }
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280
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281 v->not_found = 1;
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282
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283 return NGX_OK;
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284 }
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285
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286
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287 static ngx_int_t
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160
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288 ngx_http_ssl_add_variables(ngx_conf_t *cf)
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289 {
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290 ngx_http_variable_t *var, *v;
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291
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292 for (v = ngx_http_ssl_vars; v->name.len; v++) {
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293 var = ngx_http_add_variable(cf, &v->name, v->flags);
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294 if (var == NULL) {
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295 return NGX_ERROR;
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296 }
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297
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186
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298 var->get_handler = v->get_handler;
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160
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299 var->data = v->data;
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300 }
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301
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302 return NGX_OK;
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303 }
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304
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305
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50
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306 static void *
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307 ngx_http_ssl_create_srv_conf(ngx_conf_t *cf)
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0
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308 {
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272
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309 ngx_http_ssl_srv_conf_t *sscf;
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0
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310
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272
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311 sscf = ngx_pcalloc(cf->pool, sizeof(ngx_http_ssl_srv_conf_t));
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312 if (sscf == NULL) {
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496
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313 return NULL;
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0
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314 }
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315
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28
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316 /*
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317 * set by ngx_pcalloc():
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318 *
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272
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319 * sscf->protocols = 0;
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380
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320 * sscf->certificate = { 0, NULL };
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321 * sscf->certificate_key = { 0, NULL };
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322 * sscf->dhparam = { 0, NULL };
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632
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323 * sscf->ecdh_curve = { 0, NULL };
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380
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324 * sscf->client_certificate = { 0, NULL };
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510
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325 * sscf->crl = { 0, NULL };
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570
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326 * sscf->ciphers = { 0, NULL };
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272
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327 * sscf->shm_zone = NULL;
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28
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328 */
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329
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272
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330 sscf->enable = NGX_CONF_UNSET;
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390
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331 sscf->prefer_server_ciphers = NGX_CONF_UNSET;
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480
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332 sscf->verify = NGX_CONF_UNSET_UINT;
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333 sscf->verify_depth = NGX_CONF_UNSET_UINT;
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272
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334 sscf->builtin_session_cache = NGX_CONF_UNSET;
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335 sscf->session_timeout = NGX_CONF_UNSET;
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0
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336
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272
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337 return sscf;
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0
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338 }
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339
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340
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50
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341 static char *
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342 ngx_http_ssl_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child)
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0
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343 {
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344 ngx_http_ssl_srv_conf_t *prev = parent;
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345 ngx_http_ssl_srv_conf_t *conf = child;
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346
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112
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347 ngx_pool_cleanup_t *cln;
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348
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646
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349 if (conf->enable == NGX_CONF_UNSET) {
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350 if (prev->enable == NGX_CONF_UNSET) {
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351 conf->enable = 0;
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352
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353 } else {
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354 conf->enable = prev->enable;
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355 conf->file = prev->file;
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356 conf->line = prev->line;
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|
|
357 }
|
|
|
358 }
|
|
0
|
359
|
|
122
|
360 ngx_conf_merge_value(conf->session_timeout,
|
|
|
361 prev->session_timeout, 300);
|
|
|
362
|
|
96
|
363 ngx_conf_merge_value(conf->prefer_server_ciphers,
|
|
|
364 prev->prefer_server_ciphers, 0);
|
|
|
365
|
|
|
366 ngx_conf_merge_bitmask_value(conf->protocols, prev->protocols,
|
|
534
|
367 (NGX_CONF_BITMASK_SET|NGX_SSL_SSLv3|NGX_SSL_TLSv1));
|
|
96
|
368
|
|
390
|
369 ngx_conf_merge_uint_value(conf->verify, prev->verify, 0);
|
|
|
370 ngx_conf_merge_uint_value(conf->verify_depth, prev->verify_depth, 1);
|
|
196
|
371
|
|
404
|
372 ngx_conf_merge_str_value(conf->certificate, prev->certificate, "");
|
|
|
373 ngx_conf_merge_str_value(conf->certificate_key, prev->certificate_key, "");
|
|
0
|
374
|
|
380
|
375 ngx_conf_merge_str_value(conf->dhparam, prev->dhparam, "");
|
|
|
376
|
|
196
|
377 ngx_conf_merge_str_value(conf->client_certificate, prev->client_certificate,
|
|
|
378 "");
|
|
510
|
379 ngx_conf_merge_str_value(conf->crl, prev->crl, "");
|
|
196
|
380
|
|
632
|
381 ngx_conf_merge_str_value(conf->ecdh_curve, prev->ecdh_curve,
|
|
|
382 NGX_DEFAULT_ECDH_CURVE);
|
|
|
383
|
|
390
|
384 ngx_conf_merge_str_value(conf->ciphers, prev->ciphers, NGX_DEFAULT_CIPHERS);
|
|
28
|
385
|
|
|
386
|
|
96
|
387 conf->ssl.log = cf->log;
|
|
0
|
388
|
|
404
|
389 if (conf->enable) {
|
|
|
390
|
|
|
391 if (conf->certificate.len == 0) {
|
|
|
392 ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
|
|
|
393 "no \"ssl_certificate\" is defined for "
|
|
|
394 "the \"ssl\" directive in %s:%ui",
|
|
|
395 conf->file, conf->line);
|
|
|
396 return NGX_CONF_ERROR;
|
|
|
397 }
|
|
|
398
|
|
|
399 if (conf->certificate_key.len == 0) {
|
|
|
400 ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
|
|
|
401 "no \"ssl_certificate_key\" is defined for "
|
|
|
402 "the \"ssl\" directive in %s:%ui",
|
|
|
403 conf->file, conf->line);
|
|
|
404 return NGX_CONF_ERROR;
|
|
|
405 }
|
|
|
406
|
|
|
407 } else {
|
|
|
408
|
|
|
409 if (conf->certificate.len == 0) {
|
|
|
410 return NGX_CONF_OK;
|
|
|
411 }
|
|
|
412
|
|
|
413 if (conf->certificate_key.len == 0) {
|
|
|
414 ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
|
|
|
415 "no \"ssl_certificate_key\" is defined "
|
|
|
416 "for certificate \"%V\"", &conf->certificate);
|
|
|
417 return NGX_CONF_ERROR;
|
|
|
418 }
|
|
|
419 }
|
|
|
420
|
|
272
|
421 if (ngx_ssl_create(&conf->ssl, conf->protocols, conf) != NGX_OK) {
|
|
0
|
422 return NGX_CONF_ERROR;
|
|
|
423 }
|
|
|
424
|
|
306
|
425 #ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME
|
|
|
426
|
|
|
427 if (SSL_CTX_set_tlsext_servername_callback(conf->ssl.ctx,
|
|
|
428 ngx_http_ssl_servername)
|
|
|
429 == 0)
|
|
|
430 {
|
|
528
|
431 ngx_log_error(NGX_LOG_WARN, cf->log, 0,
|
|
538
|
432 "nginx was built with SNI support, however, now it is linked "
|
|
528
|
433 "dynamically to an OpenSSL library which has no tlsext support, "
|
|
|
434 "therefore SNI is not available");
|
|
306
|
435 }
|
|
|
436
|
|
|
437 #endif
|
|
|
438
|
|
112
|
439 cln = ngx_pool_cleanup_add(cf->pool, 0);
|
|
|
440 if (cln == NULL) {
|
|
58
|
441 return NGX_CONF_ERROR;
|
|
|
442 }
|
|
|
443
|
|
112
|
444 cln->handler = ngx_ssl_cleanup_ctx;
|
|
|
445 cln->data = &conf->ssl;
|
|
|
446
|
|
|
447 if (ngx_ssl_certificate(cf, &conf->ssl, &conf->certificate,
|
|
272
|
448 &conf->certificate_key)
|
|
|
449 != NGX_OK)
|
|
78
|
450 {
|
|
0
|
451 return NGX_CONF_ERROR;
|
|
|
452 }
|
|
|
453
|
|
96
|
454 if (SSL_CTX_set_cipher_list(conf->ssl.ctx,
|
|
112
|
455 (const char *) conf->ciphers.data)
|
|
|
456 == 0)
|
|
78
|
457 {
|
|
0
|
458 ngx_ssl_error(NGX_LOG_EMERG, cf->log, 0,
|
|
96
|
459 "SSL_CTX_set_cipher_list(\"%V\") failed",
|
|
|
460 &conf->ciphers);
|
|
|
461 }
|
|
|
462
|
|
196
|
463 if (conf->verify) {
|
|
390
|
464
|
|
|
465 if (conf->client_certificate.len == 0) {
|
|
|
466 ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
|
|
|
467 "no ssl_client_certificate for ssl_client_verify");
|
|
|
468 return NGX_CONF_ERROR;
|
|
|
469 }
|
|
|
470
|
|
220
|
471 if (ngx_ssl_client_certificate(cf, &conf->ssl,
|
|
272
|
472 &conf->client_certificate,
|
|
|
473 conf->verify_depth)
|
|
220
|
474 != NGX_OK)
|
|
|
475 {
|
|
|
476 return NGX_CONF_ERROR;
|
|
196
|
477 }
|
|
510
|
478
|
|
|
479 if (ngx_ssl_crl(cf, &conf->ssl, &conf->crl) != NGX_OK) {
|
|
|
480 return NGX_CONF_ERROR;
|
|
|
481 }
|
|
196
|
482 }
|
|
|
483
|
|
96
|
484 if (conf->prefer_server_ciphers) {
|
|
|
485 SSL_CTX_set_options(conf->ssl.ctx, SSL_OP_CIPHER_SERVER_PREFERENCE);
|
|
|
486 }
|
|
|
487
|
|
|
488 /* a temporary 512-bit RSA key is required for export versions of MSIE */
|
|
632
|
489 SSL_CTX_set_tmp_rsa_callback(conf->ssl.ctx, ngx_ssl_rsa512_key_callback);
|
|
|
490
|
|
|
491 if (ngx_ssl_dhparam(cf, &conf->ssl, &conf->dhparam) != NGX_OK) {
|
|
0
|
492 return NGX_CONF_ERROR;
|
|
|
493 }
|
|
|
494
|
|
632
|
495 if (ngx_ssl_ecdh_curve(cf, &conf->ssl, &conf->ecdh_curve) != NGX_OK) {
|
|
380
|
496 return NGX_CONF_ERROR;
|
|
|
497 }
|
|
|
498
|
|
272
|
499 ngx_conf_merge_value(conf->builtin_session_cache,
|
|
378
|
500 prev->builtin_session_cache, NGX_SSL_NONE_SCACHE);
|
|
272
|
501
|
|
|
502 if (conf->shm_zone == NULL) {
|
|
|
503 conf->shm_zone = prev->shm_zone;
|
|
|
504 }
|
|
92
|
505
|
|
272
|
506 if (ngx_ssl_session_cache(&conf->ssl, &ngx_http_ssl_sess_id_ctx,
|
|
|
507 conf->builtin_session_cache,
|
|
|
508 conf->shm_zone, conf->session_timeout)
|
|
|
509 != NGX_OK)
|
|
|
510 {
|
|
|
511 return NGX_CONF_ERROR;
|
|
|
512 }
|
|
122
|
513
|
|
0
|
514 return NGX_CONF_OK;
|
|
|
515 }
|
|
112
|
516
|
|
|
517
|
|
272
|
518 static char *
|
|
404
|
519 ngx_http_ssl_enable(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
520 {
|
|
|
521 ngx_http_ssl_srv_conf_t *sscf = conf;
|
|
|
522
|
|
|
523 char *rv;
|
|
|
524
|
|
|
525 rv = ngx_conf_set_flag_slot(cf, cmd, conf);
|
|
|
526
|
|
|
527 if (rv != NGX_CONF_OK) {
|
|
|
528 return rv;
|
|
|
529 }
|
|
|
530
|
|
|
531 sscf->file = cf->conf_file->file.name.data;
|
|
|
532 sscf->line = cf->conf_file->line;
|
|
|
533
|
|
|
534 return NGX_CONF_OK;
|
|
|
535 }
|
|
|
536
|
|
|
537
|
|
|
538 static char *
|
|
272
|
539 ngx_http_ssl_session_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
540 {
|
|
|
541 ngx_http_ssl_srv_conf_t *sscf = conf;
|
|
|
542
|
|
|
543 size_t len;
|
|
|
544 ngx_str_t *value, name, size;
|
|
|
545 ngx_int_t n;
|
|
|
546 ngx_uint_t i, j;
|
|
|
547
|
|
|
548 value = cf->args->elts;
|
|
|
549
|
|
|
550 for (i = 1; i < cf->args->nelts; i++) {
|
|
|
551
|
|
358
|
552 if (ngx_strcmp(value[i].data, "off") == 0) {
|
|
|
553 sscf->builtin_session_cache = NGX_SSL_NO_SCACHE;
|
|
|
554 continue;
|
|
|
555 }
|
|
|
556
|
|
378
|
557 if (ngx_strcmp(value[i].data, "none") == 0) {
|
|
|
558 sscf->builtin_session_cache = NGX_SSL_NONE_SCACHE;
|
|
|
559 continue;
|
|
|
560 }
|
|
|
561
|
|
272
|
562 if (ngx_strcmp(value[i].data, "builtin") == 0) {
|
|
|
563 sscf->builtin_session_cache = NGX_SSL_DFLT_BUILTIN_SCACHE;
|
|
|
564 continue;
|
|
|
565 }
|
|
|
566
|
|
|
567 if (value[i].len > sizeof("builtin:") - 1
|
|
|
568 && ngx_strncmp(value[i].data, "builtin:", sizeof("builtin:") - 1)
|
|
|
569 == 0)
|
|
|
570 {
|
|
|
571 n = ngx_atoi(value[i].data + sizeof("builtin:") - 1,
|
|
|
572 value[i].len - (sizeof("builtin:") - 1));
|
|
|
573
|
|
|
574 if (n == NGX_ERROR) {
|
|
|
575 goto invalid;
|
|
|
576 }
|
|
|
577
|
|
|
578 sscf->builtin_session_cache = n;
|
|
|
579
|
|
|
580 continue;
|
|
|
581 }
|
|
|
582
|
|
|
583 if (value[i].len > sizeof("shared:") - 1
|
|
|
584 && ngx_strncmp(value[i].data, "shared:", sizeof("shared:") - 1)
|
|
|
585 == 0)
|
|
|
586 {
|
|
|
587 len = 0;
|
|
|
588
|
|
|
589 for (j = sizeof("shared:") - 1; j < value[i].len; j++) {
|
|
|
590 if (value[i].data[j] == ':') {
|
|
480
|
591 value[i].data[j] = '\0';
|
|
272
|
592 break;
|
|
|
593 }
|
|
|
594
|
|
|
595 len++;
|
|
|
596 }
|
|
|
597
|
|
|
598 if (len == 0) {
|
|
|
599 goto invalid;
|
|
|
600 }
|
|
|
601
|
|
|
602 name.len = len;
|
|
|
603 name.data = value[i].data + sizeof("shared:") - 1;
|
|
|
604
|
|
|
605 size.len = value[i].len - j - 1;
|
|
|
606 size.data = name.data + len + 1;
|
|
|
607
|
|
|
608 n = ngx_parse_size(&size);
|
|
|
609
|
|
|
610 if (n == NGX_ERROR) {
|
|
|
611 goto invalid;
|
|
|
612 }
|
|
|
613
|
|
|
614 if (n < (ngx_int_t) (8 * ngx_pagesize)) {
|
|
|
615 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
616 "session cache \"%V\" is too small",
|
|
|
617 &value[i]);
|
|
|
618
|
|
|
619 return NGX_CONF_ERROR;
|
|
|
620 }
|
|
|
621
|
|
|
622 sscf->shm_zone = ngx_shared_memory_add(cf, &name, n,
|
|
|
623 &ngx_http_ssl_module);
|
|
|
624 if (sscf->shm_zone == NULL) {
|
|
|
625 return NGX_CONF_ERROR;
|
|
|
626 }
|
|
|
627
|
|
642
|
628 sscf->shm_zone->init = ngx_ssl_session_cache_init;
|
|
|
629
|
|
272
|
630 continue;
|
|
|
631 }
|
|
|
632
|
|
|
633 goto invalid;
|
|
|
634 }
|
|
|
635
|
|
|
636 if (sscf->shm_zone && sscf->builtin_session_cache == NGX_CONF_UNSET) {
|
|
|
637 sscf->builtin_session_cache = NGX_SSL_NO_BUILTIN_SCACHE;
|
|
|
638 }
|
|
|
639
|
|
|
640 return NGX_CONF_OK;
|
|
|
641
|
|
|
642 invalid:
|
|
|
643
|
|
|
644 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
645 "invalid session cache \"%V\"", &value[i]);
|
|
|
646
|
|
|
647 return NGX_CONF_ERROR;
|
|
|
648 }
|
