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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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658
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40 { ngx_string("TLSv1.1"), NGX_SSL_TLSv1_1 },
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41 { ngx_string("TLSv1.2"), NGX_SSL_TLSv1_2 },
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96
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42 { ngx_null_string, 0 }
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43 };
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44
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45
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390
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46 static ngx_conf_enum_t ngx_http_ssl_verify[] = {
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47 { ngx_string("off"), 0 },
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48 { ngx_string("on"), 1 },
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510
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49 { ngx_string("optional"), 2 },
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390
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50 { ngx_null_string, 0 }
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51 };
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52
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53
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0
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54 static ngx_command_t ngx_http_ssl_commands[] = {
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55
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56 { ngx_string("ssl"),
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148
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57 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG,
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404
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58 ngx_http_ssl_enable,
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0
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59 NGX_HTTP_SRV_CONF_OFFSET,
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60 offsetof(ngx_http_ssl_srv_conf_t, enable),
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61 NULL },
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62
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63 { ngx_string("ssl_certificate"),
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148
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64 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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0
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65 ngx_conf_set_str_slot,
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66 NGX_HTTP_SRV_CONF_OFFSET,
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67 offsetof(ngx_http_ssl_srv_conf_t, certificate),
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68 NULL },
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69
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70 { ngx_string("ssl_certificate_key"),
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148
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71 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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0
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72 ngx_conf_set_str_slot,
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73 NGX_HTTP_SRV_CONF_OFFSET,
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74 offsetof(ngx_http_ssl_srv_conf_t, certificate_key),
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75 NULL },
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76
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380
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77 { ngx_string("ssl_dhparam"),
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78 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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79 ngx_conf_set_str_slot,
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80 NGX_HTTP_SRV_CONF_OFFSET,
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81 offsetof(ngx_http_ssl_srv_conf_t, dhparam),
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82 NULL },
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83
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632
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84 { ngx_string("ssl_ecdh_curve"),
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85 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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86 ngx_conf_set_str_slot,
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87 NGX_HTTP_SRV_CONF_OFFSET,
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88 offsetof(ngx_http_ssl_srv_conf_t, ecdh_curve),
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89 NULL },
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90
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96
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91 { ngx_string("ssl_protocols"),
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112
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92 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_1MORE,
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96
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93 ngx_conf_set_bitmask_slot,
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94 NGX_HTTP_SRV_CONF_OFFSET,
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95 offsetof(ngx_http_ssl_srv_conf_t, protocols),
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96 &ngx_http_ssl_protocols },
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97
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28
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98 { ngx_string("ssl_ciphers"),
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112
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99 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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28
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100 ngx_conf_set_str_slot,
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101 NGX_HTTP_SRV_CONF_OFFSET,
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102 offsetof(ngx_http_ssl_srv_conf_t, ciphers),
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103 NULL },
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104
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196
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105 { ngx_string("ssl_verify_client"),
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648
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106 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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390
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107 ngx_conf_set_enum_slot,
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196
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108 NGX_HTTP_SRV_CONF_OFFSET,
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109 offsetof(ngx_http_ssl_srv_conf_t, verify),
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390
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110 &ngx_http_ssl_verify },
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196
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111
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112 { ngx_string("ssl_verify_depth"),
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113 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_1MORE,
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114 ngx_conf_set_num_slot,
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115 NGX_HTTP_SRV_CONF_OFFSET,
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116 offsetof(ngx_http_ssl_srv_conf_t, verify_depth),
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117 NULL },
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118
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119 { ngx_string("ssl_client_certificate"),
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120 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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121 ngx_conf_set_str_slot,
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122 NGX_HTTP_SRV_CONF_OFFSET,
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123 offsetof(ngx_http_ssl_srv_conf_t, client_certificate),
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124 NULL },
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125
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96
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126 { ngx_string("ssl_prefer_server_ciphers"),
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127 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG,
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128 ngx_conf_set_flag_slot,
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129 NGX_HTTP_SRV_CONF_OFFSET,
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130 offsetof(ngx_http_ssl_srv_conf_t, prefer_server_ciphers),
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131 NULL },
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132
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272
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133 { ngx_string("ssl_session_cache"),
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134 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE12,
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135 ngx_http_ssl_session_cache,
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136 NGX_HTTP_SRV_CONF_OFFSET,
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137 0,
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138 NULL },
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139
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122
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140 { ngx_string("ssl_session_timeout"),
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141 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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142 ngx_conf_set_sec_slot,
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143 NGX_HTTP_SRV_CONF_OFFSET,
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144 offsetof(ngx_http_ssl_srv_conf_t, session_timeout),
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145 NULL },
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146
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510
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147 { ngx_string("ssl_crl"),
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148 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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149 ngx_conf_set_str_slot,
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150 NGX_HTTP_SRV_CONF_OFFSET,
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151 offsetof(ngx_http_ssl_srv_conf_t, crl),
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152 NULL },
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153
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0
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154 ngx_null_command
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155 };
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156
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157
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158 static ngx_http_module_t ngx_http_ssl_module_ctx = {
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160
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159 ngx_http_ssl_add_variables, /* preconfiguration */
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58
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160 NULL, /* postconfiguration */
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0
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161
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90
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162 NULL, /* create main configuration */
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163 NULL, /* init main configuration */
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0
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164
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165 ngx_http_ssl_create_srv_conf, /* create server configuration */
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166 ngx_http_ssl_merge_srv_conf, /* merge server configuration */
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167
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168 NULL, /* create location configuration */
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34
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169 NULL /* merge location configuration */
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0
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170 };
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171
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172
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173 ngx_module_t ngx_http_ssl_module = {
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58
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174 NGX_MODULE_V1,
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0
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175 &ngx_http_ssl_module_ctx, /* module context */
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176 ngx_http_ssl_commands, /* module directives */
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177 NGX_HTTP_MODULE, /* module type */
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90
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178 NULL, /* init master */
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0
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179 NULL, /* init module */
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90
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180 NULL, /* init process */
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181 NULL, /* init thread */
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182 NULL, /* exit thread */
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183 NULL, /* exit process */
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184 NULL, /* exit master */
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185 NGX_MODULE_V1_PADDING
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0
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186 };
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187
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188
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160
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189 static ngx_http_variable_t ngx_http_ssl_vars[] = {
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190
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220
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191 { ngx_string("ssl_protocol"), NULL, ngx_http_ssl_static_variable,
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340
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192 (uintptr_t) ngx_ssl_get_protocol, NGX_HTTP_VAR_CHANGEABLE, 0 },
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160
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193
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220
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194 { ngx_string("ssl_cipher"), NULL, ngx_http_ssl_static_variable,
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340
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195 (uintptr_t) ngx_ssl_get_cipher_name, NGX_HTTP_VAR_CHANGEABLE, 0 },
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160
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196
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530
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197 { ngx_string("ssl_session_id"), NULL, ngx_http_ssl_variable,
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198 (uintptr_t) ngx_ssl_get_session_id, NGX_HTTP_VAR_CHANGEABLE, 0 },
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199
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380
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200 { ngx_string("ssl_client_cert"), NULL, ngx_http_ssl_variable,
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201 (uintptr_t) ngx_ssl_get_certificate, NGX_HTTP_VAR_CHANGEABLE, 0 },
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202
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390
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203 { ngx_string("ssl_client_raw_cert"), NULL, ngx_http_ssl_variable,
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204 (uintptr_t) ngx_ssl_get_raw_certificate,
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205 NGX_HTTP_VAR_CHANGEABLE, 0 },
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206
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220
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207 { ngx_string("ssl_client_s_dn"), NULL, ngx_http_ssl_variable,
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340
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208 (uintptr_t) ngx_ssl_get_subject_dn, NGX_HTTP_VAR_CHANGEABLE, 0 },
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196
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209
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220
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210 { ngx_string("ssl_client_i_dn"), NULL, ngx_http_ssl_variable,
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340
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211 (uintptr_t) ngx_ssl_get_issuer_dn, NGX_HTTP_VAR_CHANGEABLE, 0 },
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220
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212
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213 { ngx_string("ssl_client_serial"), NULL, ngx_http_ssl_variable,
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340
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214 (uintptr_t) ngx_ssl_get_serial_number, NGX_HTTP_VAR_CHANGEABLE, 0 },
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196
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215
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510
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216 { ngx_string("ssl_client_verify"), NULL, ngx_http_ssl_variable,
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217 (uintptr_t) ngx_ssl_get_client_verify, NGX_HTTP_VAR_CHANGEABLE, 0 },
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218
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186
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219 { ngx_null_string, NULL, NULL, 0, 0, 0 }
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160
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220 };
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221
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222
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272
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223 static ngx_str_t ngx_http_ssl_sess_id_ctx = ngx_string("HTTP");
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92
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224
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225
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160
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226 static ngx_int_t
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220
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227 ngx_http_ssl_static_variable(ngx_http_request_t *r,
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160
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228 ngx_http_variable_value_t *v, uintptr_t data)
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229 {
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220
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230 ngx_ssl_variable_handler_pt handler = (ngx_ssl_variable_handler_pt) data;
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160
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231
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320
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232 size_t len;
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233 ngx_str_t s;
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160
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234
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235 if (r->connection->ssl) {
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236
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320
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237 (void) handler(r->connection, NULL, &s);
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238
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239 v->data = s.data;
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160
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240
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220
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241 for (len = 0; v->data[len]; len++) { /* void */ }
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160
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242
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243 v->len = len;
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244 v->valid = 1;
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340
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245 v->no_cacheable = 0;
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160
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246 v->not_found = 0;
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247
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248 return NGX_OK;
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249 }
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250
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251 v->not_found = 1;
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252
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253 return NGX_OK;
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254 }
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255
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256
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257 static ngx_int_t
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220
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258 ngx_http_ssl_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v,
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196
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259 uintptr_t data)
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260 {
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220
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261 ngx_ssl_variable_handler_pt handler = (ngx_ssl_variable_handler_pt) data;
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196
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262
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320
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263 ngx_str_t s;
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264
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196
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265 if (r->connection->ssl) {
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320
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266
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267 if (handler(r->connection, r->pool, &s) != NGX_OK) {
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196
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268 return NGX_ERROR;
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269 }
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270
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320
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271 v->len = s.len;
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272 v->data = s.data;
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273
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196
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274 if (v->len) {
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275 v->valid = 1;
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340
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276 v->no_cacheable = 0;
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196
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277 v->not_found = 0;
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278
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279 return NGX_OK;
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280 }
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281 }
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282
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283 v->not_found = 1;
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284
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285 return NGX_OK;
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286 }
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287
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288
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289 static ngx_int_t
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160
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290 ngx_http_ssl_add_variables(ngx_conf_t *cf)
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291 {
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292 ngx_http_variable_t *var, *v;
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293
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294 for (v = ngx_http_ssl_vars; v->name.len; v++) {
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295 var = ngx_http_add_variable(cf, &v->name, v->flags);
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296 if (var == NULL) {
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297 return NGX_ERROR;
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298 }
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299
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186
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300 var->get_handler = v->get_handler;
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160
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301 var->data = v->data;
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302 }
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303
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304 return NGX_OK;
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305 }
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306
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307
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50
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308 static void *
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309 ngx_http_ssl_create_srv_conf(ngx_conf_t *cf)
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0
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310 {
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272
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311 ngx_http_ssl_srv_conf_t *sscf;
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0
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312
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272
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313 sscf = ngx_pcalloc(cf->pool, sizeof(ngx_http_ssl_srv_conf_t));
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314 if (sscf == NULL) {
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496
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315 return NULL;
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0
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316 }
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317
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28
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318 /*
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319 * set by ngx_pcalloc():
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320 *
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272
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321 * sscf->protocols = 0;
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380
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322 * sscf->certificate = { 0, NULL };
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323 * sscf->certificate_key = { 0, NULL };
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324 * sscf->dhparam = { 0, NULL };
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632
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325 * sscf->ecdh_curve = { 0, NULL };
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380
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326 * sscf->client_certificate = { 0, NULL };
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510
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327 * sscf->crl = { 0, NULL };
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570
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328 * sscf->ciphers = { 0, NULL };
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272
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329 * sscf->shm_zone = NULL;
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28
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330 */
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331
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272
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332 sscf->enable = NGX_CONF_UNSET;
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390
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333 sscf->prefer_server_ciphers = NGX_CONF_UNSET;
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480
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334 sscf->verify = NGX_CONF_UNSET_UINT;
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335 sscf->verify_depth = NGX_CONF_UNSET_UINT;
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272
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336 sscf->builtin_session_cache = NGX_CONF_UNSET;
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337 sscf->session_timeout = NGX_CONF_UNSET;
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0
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338
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272
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339 return sscf;
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0
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340 }
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341
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342
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50
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343 static char *
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344 ngx_http_ssl_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child)
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0
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345 {
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346 ngx_http_ssl_srv_conf_t *prev = parent;
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347 ngx_http_ssl_srv_conf_t *conf = child;
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348
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112
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349 ngx_pool_cleanup_t *cln;
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350
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646
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351 if (conf->enable == NGX_CONF_UNSET) {
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352 if (prev->enable == NGX_CONF_UNSET) {
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353 conf->enable = 0;
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354
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|
|
355 } else {
|
|
|
356 conf->enable = prev->enable;
|
|
|
357 conf->file = prev->file;
|
|
|
358 conf->line = prev->line;
|
|
|
359 }
|
|
|
360 }
|
|
0
|
361
|
|
122
|
362 ngx_conf_merge_value(conf->session_timeout,
|
|
|
363 prev->session_timeout, 300);
|
|
|
364
|
|
96
|
365 ngx_conf_merge_value(conf->prefer_server_ciphers,
|
|
|
366 prev->prefer_server_ciphers, 0);
|
|
|
367
|
|
|
368 ngx_conf_merge_bitmask_value(conf->protocols, prev->protocols,
|
|
658
|
369 (NGX_CONF_BITMASK_SET|NGX_SSL_SSLv3|NGX_SSL_TLSv1
|
|
|
370 |NGX_SSL_TLSv1_1|NGX_SSL_TLSv1_2));
|
|
96
|
371
|
|
390
|
372 ngx_conf_merge_uint_value(conf->verify, prev->verify, 0);
|
|
|
373 ngx_conf_merge_uint_value(conf->verify_depth, prev->verify_depth, 1);
|
|
196
|
374
|
|
404
|
375 ngx_conf_merge_str_value(conf->certificate, prev->certificate, "");
|
|
|
376 ngx_conf_merge_str_value(conf->certificate_key, prev->certificate_key, "");
|
|
0
|
377
|
|
380
|
378 ngx_conf_merge_str_value(conf->dhparam, prev->dhparam, "");
|
|
|
379
|
|
196
|
380 ngx_conf_merge_str_value(conf->client_certificate, prev->client_certificate,
|
|
|
381 "");
|
|
510
|
382 ngx_conf_merge_str_value(conf->crl, prev->crl, "");
|
|
196
|
383
|
|
632
|
384 ngx_conf_merge_str_value(conf->ecdh_curve, prev->ecdh_curve,
|
|
|
385 NGX_DEFAULT_ECDH_CURVE);
|
|
|
386
|
|
390
|
387 ngx_conf_merge_str_value(conf->ciphers, prev->ciphers, NGX_DEFAULT_CIPHERS);
|
|
28
|
388
|
|
|
389
|
|
96
|
390 conf->ssl.log = cf->log;
|
|
0
|
391
|
|
404
|
392 if (conf->enable) {
|
|
|
393
|
|
|
394 if (conf->certificate.len == 0) {
|
|
|
395 ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
|
|
|
396 "no \"ssl_certificate\" is defined for "
|
|
|
397 "the \"ssl\" directive in %s:%ui",
|
|
|
398 conf->file, conf->line);
|
|
|
399 return NGX_CONF_ERROR;
|
|
|
400 }
|
|
|
401
|
|
|
402 if (conf->certificate_key.len == 0) {
|
|
|
403 ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
|
|
|
404 "no \"ssl_certificate_key\" is defined for "
|
|
|
405 "the \"ssl\" directive in %s:%ui",
|
|
|
406 conf->file, conf->line);
|
|
|
407 return NGX_CONF_ERROR;
|
|
|
408 }
|
|
|
409
|
|
|
410 } else {
|
|
|
411
|
|
|
412 if (conf->certificate.len == 0) {
|
|
|
413 return NGX_CONF_OK;
|
|
|
414 }
|
|
|
415
|
|
|
416 if (conf->certificate_key.len == 0) {
|
|
|
417 ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
|
|
|
418 "no \"ssl_certificate_key\" is defined "
|
|
|
419 "for certificate \"%V\"", &conf->certificate);
|
|
|
420 return NGX_CONF_ERROR;
|
|
|
421 }
|
|
|
422 }
|
|
|
423
|
|
272
|
424 if (ngx_ssl_create(&conf->ssl, conf->protocols, conf) != NGX_OK) {
|
|
0
|
425 return NGX_CONF_ERROR;
|
|
|
426 }
|
|
|
427
|
|
306
|
428 #ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME
|
|
|
429
|
|
|
430 if (SSL_CTX_set_tlsext_servername_callback(conf->ssl.ctx,
|
|
|
431 ngx_http_ssl_servername)
|
|
|
432 == 0)
|
|
|
433 {
|
|
528
|
434 ngx_log_error(NGX_LOG_WARN, cf->log, 0,
|
|
538
|
435 "nginx was built with SNI support, however, now it is linked "
|
|
528
|
436 "dynamically to an OpenSSL library which has no tlsext support, "
|
|
|
437 "therefore SNI is not available");
|
|
306
|
438 }
|
|
|
439
|
|
|
440 #endif
|
|
|
441
|
|
112
|
442 cln = ngx_pool_cleanup_add(cf->pool, 0);
|
|
|
443 if (cln == NULL) {
|
|
58
|
444 return NGX_CONF_ERROR;
|
|
|
445 }
|
|
|
446
|
|
112
|
447 cln->handler = ngx_ssl_cleanup_ctx;
|
|
|
448 cln->data = &conf->ssl;
|
|
|
449
|
|
|
450 if (ngx_ssl_certificate(cf, &conf->ssl, &conf->certificate,
|
|
272
|
451 &conf->certificate_key)
|
|
|
452 != NGX_OK)
|
|
78
|
453 {
|
|
0
|
454 return NGX_CONF_ERROR;
|
|
|
455 }
|
|
|
456
|
|
96
|
457 if (SSL_CTX_set_cipher_list(conf->ssl.ctx,
|
|
112
|
458 (const char *) conf->ciphers.data)
|
|
|
459 == 0)
|
|
78
|
460 {
|
|
0
|
461 ngx_ssl_error(NGX_LOG_EMERG, cf->log, 0,
|
|
96
|
462 "SSL_CTX_set_cipher_list(\"%V\") failed",
|
|
|
463 &conf->ciphers);
|
|
|
464 }
|
|
|
465
|
|
196
|
466 if (conf->verify) {
|
|
390
|
467
|
|
|
468 if (conf->client_certificate.len == 0) {
|
|
|
469 ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
|
|
|
470 "no ssl_client_certificate for ssl_client_verify");
|
|
|
471 return NGX_CONF_ERROR;
|
|
|
472 }
|
|
|
473
|
|
220
|
474 if (ngx_ssl_client_certificate(cf, &conf->ssl,
|
|
272
|
475 &conf->client_certificate,
|
|
|
476 conf->verify_depth)
|
|
220
|
477 != NGX_OK)
|
|
|
478 {
|
|
|
479 return NGX_CONF_ERROR;
|
|
196
|
480 }
|
|
510
|
481
|
|
|
482 if (ngx_ssl_crl(cf, &conf->ssl, &conf->crl) != NGX_OK) {
|
|
|
483 return NGX_CONF_ERROR;
|
|
|
484 }
|
|
196
|
485 }
|
|
|
486
|
|
96
|
487 if (conf->prefer_server_ciphers) {
|
|
|
488 SSL_CTX_set_options(conf->ssl.ctx, SSL_OP_CIPHER_SERVER_PREFERENCE);
|
|
|
489 }
|
|
|
490
|
|
|
491 /* a temporary 512-bit RSA key is required for export versions of MSIE */
|
|
632
|
492 SSL_CTX_set_tmp_rsa_callback(conf->ssl.ctx, ngx_ssl_rsa512_key_callback);
|
|
|
493
|
|
|
494 if (ngx_ssl_dhparam(cf, &conf->ssl, &conf->dhparam) != NGX_OK) {
|
|
0
|
495 return NGX_CONF_ERROR;
|
|
|
496 }
|
|
|
497
|
|
632
|
498 if (ngx_ssl_ecdh_curve(cf, &conf->ssl, &conf->ecdh_curve) != NGX_OK) {
|
|
380
|
499 return NGX_CONF_ERROR;
|
|
|
500 }
|
|
|
501
|
|
272
|
502 ngx_conf_merge_value(conf->builtin_session_cache,
|
|
378
|
503 prev->builtin_session_cache, NGX_SSL_NONE_SCACHE);
|
|
272
|
504
|
|
|
505 if (conf->shm_zone == NULL) {
|
|
|
506 conf->shm_zone = prev->shm_zone;
|
|
|
507 }
|
|
92
|
508
|
|
272
|
509 if (ngx_ssl_session_cache(&conf->ssl, &ngx_http_ssl_sess_id_ctx,
|
|
|
510 conf->builtin_session_cache,
|
|
|
511 conf->shm_zone, conf->session_timeout)
|
|
|
512 != NGX_OK)
|
|
|
513 {
|
|
|
514 return NGX_CONF_ERROR;
|
|
|
515 }
|
|
122
|
516
|
|
0
|
517 return NGX_CONF_OK;
|
|
|
518 }
|
|
112
|
519
|
|
|
520
|
|
272
|
521 static char *
|
|
404
|
522 ngx_http_ssl_enable(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
523 {
|
|
|
524 ngx_http_ssl_srv_conf_t *sscf = conf;
|
|
|
525
|
|
|
526 char *rv;
|
|
|
527
|
|
|
528 rv = ngx_conf_set_flag_slot(cf, cmd, conf);
|
|
|
529
|
|
|
530 if (rv != NGX_CONF_OK) {
|
|
|
531 return rv;
|
|
|
532 }
|
|
|
533
|
|
|
534 sscf->file = cf->conf_file->file.name.data;
|
|
|
535 sscf->line = cf->conf_file->line;
|
|
|
536
|
|
|
537 return NGX_CONF_OK;
|
|
|
538 }
|
|
|
539
|
|
|
540
|
|
|
541 static char *
|
|
272
|
542 ngx_http_ssl_session_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
543 {
|
|
|
544 ngx_http_ssl_srv_conf_t *sscf = conf;
|
|
|
545
|
|
|
546 size_t len;
|
|
|
547 ngx_str_t *value, name, size;
|
|
|
548 ngx_int_t n;
|
|
|
549 ngx_uint_t i, j;
|
|
|
550
|
|
|
551 value = cf->args->elts;
|
|
|
552
|
|
|
553 for (i = 1; i < cf->args->nelts; i++) {
|
|
|
554
|
|
358
|
555 if (ngx_strcmp(value[i].data, "off") == 0) {
|
|
|
556 sscf->builtin_session_cache = NGX_SSL_NO_SCACHE;
|
|
|
557 continue;
|
|
|
558 }
|
|
|
559
|
|
378
|
560 if (ngx_strcmp(value[i].data, "none") == 0) {
|
|
|
561 sscf->builtin_session_cache = NGX_SSL_NONE_SCACHE;
|
|
|
562 continue;
|
|
|
563 }
|
|
|
564
|
|
272
|
565 if (ngx_strcmp(value[i].data, "builtin") == 0) {
|
|
|
566 sscf->builtin_session_cache = NGX_SSL_DFLT_BUILTIN_SCACHE;
|
|
|
567 continue;
|
|
|
568 }
|
|
|
569
|
|
|
570 if (value[i].len > sizeof("builtin:") - 1
|
|
|
571 && ngx_strncmp(value[i].data, "builtin:", sizeof("builtin:") - 1)
|
|
|
572 == 0)
|
|
|
573 {
|
|
|
574 n = ngx_atoi(value[i].data + sizeof("builtin:") - 1,
|
|
|
575 value[i].len - (sizeof("builtin:") - 1));
|
|
|
576
|
|
|
577 if (n == NGX_ERROR) {
|
|
|
578 goto invalid;
|
|
|
579 }
|
|
|
580
|
|
|
581 sscf->builtin_session_cache = n;
|
|
|
582
|
|
|
583 continue;
|
|
|
584 }
|
|
|
585
|
|
|
586 if (value[i].len > sizeof("shared:") - 1
|
|
|
587 && ngx_strncmp(value[i].data, "shared:", sizeof("shared:") - 1)
|
|
|
588 == 0)
|
|
|
589 {
|
|
|
590 len = 0;
|
|
|
591
|
|
|
592 for (j = sizeof("shared:") - 1; j < value[i].len; j++) {
|
|
|
593 if (value[i].data[j] == ':') {
|
|
480
|
594 value[i].data[j] = '\0';
|
|
272
|
595 break;
|
|
|
596 }
|
|
|
597
|
|
|
598 len++;
|
|
|
599 }
|
|
|
600
|
|
|
601 if (len == 0) {
|
|
|
602 goto invalid;
|
|
|
603 }
|
|
|
604
|
|
|
605 name.len = len;
|
|
|
606 name.data = value[i].data + sizeof("shared:") - 1;
|
|
|
607
|
|
|
608 size.len = value[i].len - j - 1;
|
|
|
609 size.data = name.data + len + 1;
|
|
|
610
|
|
|
611 n = ngx_parse_size(&size);
|
|
|
612
|
|
|
613 if (n == NGX_ERROR) {
|
|
|
614 goto invalid;
|
|
|
615 }
|
|
|
616
|
|
|
617 if (n < (ngx_int_t) (8 * ngx_pagesize)) {
|
|
|
618 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
619 "session cache \"%V\" is too small",
|
|
|
620 &value[i]);
|
|
|
621
|
|
|
622 return NGX_CONF_ERROR;
|
|
|
623 }
|
|
|
624
|
|
|
625 sscf->shm_zone = ngx_shared_memory_add(cf, &name, n,
|
|
|
626 &ngx_http_ssl_module);
|
|
|
627 if (sscf->shm_zone == NULL) {
|
|
|
628 return NGX_CONF_ERROR;
|
|
|
629 }
|
|
|
630
|
|
642
|
631 sscf->shm_zone->init = ngx_ssl_session_cache_init;
|
|
|
632
|
|
272
|
633 continue;
|
|
|
634 }
|
|
|
635
|
|
|
636 goto invalid;
|
|
|
637 }
|
|
|
638
|
|
|
639 if (sscf->shm_zone && sscf->builtin_session_cache == NGX_CONF_UNSET) {
|
|
|
640 sscf->builtin_session_cache = NGX_SSL_NO_BUILTIN_SCACHE;
|
|
|
641 }
|
|
|
642
|
|
|
643 return NGX_CONF_OK;
|
|
|
644
|
|
|
645 invalid:
|
|
|
646
|
|
|
647 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
648 "invalid session cache \"%V\"", &value[i]);
|
|
|
649
|
|
|
650 return NGX_CONF_ERROR;
|
|
|
651 }
|
