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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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390
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16 #define NGX_DEFAULT_CIPHERS "ALL:!ADH:RC4+RSA:+HIGH:+MEDIUM:+LOW:+SSLv2:+EXP"
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0
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17
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18
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220
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19 static ngx_int_t ngx_http_ssl_static_variable(ngx_http_request_t *r,
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160
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20 ngx_http_variable_value_t *v, uintptr_t data);
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220
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21 static ngx_int_t ngx_http_ssl_variable(ngx_http_request_t *r,
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196
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22 ngx_http_variable_value_t *v, uintptr_t data);
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160
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23
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24 static ngx_int_t ngx_http_ssl_add_variables(ngx_conf_t *cf);
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0
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25 static void *ngx_http_ssl_create_srv_conf(ngx_conf_t *cf);
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26 static char *ngx_http_ssl_merge_srv_conf(ngx_conf_t *cf,
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50
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27 void *parent, void *child);
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0
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28
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404
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29 static char *ngx_http_ssl_enable(ngx_conf_t *cf, ngx_command_t *cmd,
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30 void *conf);
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272
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31 static char *ngx_http_ssl_session_cache(ngx_conf_t *cf, ngx_command_t *cmd,
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32 void *conf);
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33
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0
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34
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96
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35 static ngx_conf_bitmask_t ngx_http_ssl_protocols[] = {
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36 { ngx_string("SSLv2"), NGX_SSL_SSLv2 },
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37 { ngx_string("SSLv3"), NGX_SSL_SSLv3 },
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38 { ngx_string("TLSv1"), NGX_SSL_TLSv1 },
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39 { ngx_null_string, 0 }
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40 };
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41
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42
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390
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43 static ngx_conf_enum_t ngx_http_ssl_verify[] = {
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44 { ngx_string("off"), 0 },
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45 { ngx_string("on"), 1 },
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510
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46 { ngx_string("optional"), 2 },
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390
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47 { ngx_null_string, 0 }
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48 };
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49
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50
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0
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51 static ngx_command_t ngx_http_ssl_commands[] = {
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52
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53 { ngx_string("ssl"),
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148
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54 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG,
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404
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55 ngx_http_ssl_enable,
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0
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56 NGX_HTTP_SRV_CONF_OFFSET,
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57 offsetof(ngx_http_ssl_srv_conf_t, enable),
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58 NULL },
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59
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60 { ngx_string("ssl_certificate"),
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148
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61 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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0
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62 ngx_conf_set_str_slot,
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63 NGX_HTTP_SRV_CONF_OFFSET,
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64 offsetof(ngx_http_ssl_srv_conf_t, certificate),
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65 NULL },
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66
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67 { ngx_string("ssl_certificate_key"),
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148
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68 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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0
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69 ngx_conf_set_str_slot,
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70 NGX_HTTP_SRV_CONF_OFFSET,
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71 offsetof(ngx_http_ssl_srv_conf_t, certificate_key),
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72 NULL },
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73
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380
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74 { ngx_string("ssl_dhparam"),
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75 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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76 ngx_conf_set_str_slot,
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77 NGX_HTTP_SRV_CONF_OFFSET,
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78 offsetof(ngx_http_ssl_srv_conf_t, dhparam),
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79 NULL },
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80
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96
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81 { ngx_string("ssl_protocols"),
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112
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82 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_1MORE,
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96
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83 ngx_conf_set_bitmask_slot,
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84 NGX_HTTP_SRV_CONF_OFFSET,
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85 offsetof(ngx_http_ssl_srv_conf_t, protocols),
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86 &ngx_http_ssl_protocols },
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87
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28
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88 { ngx_string("ssl_ciphers"),
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112
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89 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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28
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90 ngx_conf_set_str_slot,
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91 NGX_HTTP_SRV_CONF_OFFSET,
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92 offsetof(ngx_http_ssl_srv_conf_t, ciphers),
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93 NULL },
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94
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196
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95 { ngx_string("ssl_verify_client"),
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216
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96 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG,
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390
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97 ngx_conf_set_enum_slot,
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196
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98 NGX_HTTP_SRV_CONF_OFFSET,
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99 offsetof(ngx_http_ssl_srv_conf_t, verify),
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390
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100 &ngx_http_ssl_verify },
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196
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101
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102 { ngx_string("ssl_verify_depth"),
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103 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_1MORE,
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104 ngx_conf_set_num_slot,
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105 NGX_HTTP_SRV_CONF_OFFSET,
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106 offsetof(ngx_http_ssl_srv_conf_t, verify_depth),
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107 NULL },
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108
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109 { ngx_string("ssl_client_certificate"),
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110 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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111 ngx_conf_set_str_slot,
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112 NGX_HTTP_SRV_CONF_OFFSET,
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113 offsetof(ngx_http_ssl_srv_conf_t, client_certificate),
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114 NULL },
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115
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96
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116 { ngx_string("ssl_prefer_server_ciphers"),
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117 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG,
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118 ngx_conf_set_flag_slot,
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119 NGX_HTTP_SRV_CONF_OFFSET,
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120 offsetof(ngx_http_ssl_srv_conf_t, prefer_server_ciphers),
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121 NULL },
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122
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272
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123 { ngx_string("ssl_session_cache"),
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124 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE12,
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125 ngx_http_ssl_session_cache,
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126 NGX_HTTP_SRV_CONF_OFFSET,
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127 0,
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128 NULL },
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129
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122
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130 { ngx_string("ssl_session_timeout"),
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131 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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132 ngx_conf_set_sec_slot,
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133 NGX_HTTP_SRV_CONF_OFFSET,
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134 offsetof(ngx_http_ssl_srv_conf_t, session_timeout),
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135 NULL },
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136
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510
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137 { ngx_string("ssl_crl"),
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138 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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139 ngx_conf_set_str_slot,
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140 NGX_HTTP_SRV_CONF_OFFSET,
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141 offsetof(ngx_http_ssl_srv_conf_t, crl),
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142 NULL },
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143
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0
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144 ngx_null_command
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145 };
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146
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147
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148 static ngx_http_module_t ngx_http_ssl_module_ctx = {
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160
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149 ngx_http_ssl_add_variables, /* preconfiguration */
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58
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150 NULL, /* postconfiguration */
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0
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151
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90
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152 NULL, /* create main configuration */
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153 NULL, /* init main configuration */
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0
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154
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155 ngx_http_ssl_create_srv_conf, /* create server configuration */
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156 ngx_http_ssl_merge_srv_conf, /* merge server configuration */
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157
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158 NULL, /* create location configuration */
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34
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159 NULL /* merge location configuration */
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0
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160 };
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161
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162
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163 ngx_module_t ngx_http_ssl_module = {
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58
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164 NGX_MODULE_V1,
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0
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165 &ngx_http_ssl_module_ctx, /* module context */
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166 ngx_http_ssl_commands, /* module directives */
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167 NGX_HTTP_MODULE, /* module type */
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90
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168 NULL, /* init master */
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0
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169 NULL, /* init module */
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90
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170 NULL, /* init process */
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171 NULL, /* init thread */
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172 NULL, /* exit thread */
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173 NULL, /* exit process */
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174 NULL, /* exit master */
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175 NGX_MODULE_V1_PADDING
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0
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176 };
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177
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178
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160
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179 static ngx_http_variable_t ngx_http_ssl_vars[] = {
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180
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220
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181 { ngx_string("ssl_protocol"), NULL, ngx_http_ssl_static_variable,
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340
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182 (uintptr_t) ngx_ssl_get_protocol, NGX_HTTP_VAR_CHANGEABLE, 0 },
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160
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183
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220
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184 { ngx_string("ssl_cipher"), NULL, ngx_http_ssl_static_variable,
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340
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185 (uintptr_t) ngx_ssl_get_cipher_name, NGX_HTTP_VAR_CHANGEABLE, 0 },
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160
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186
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530
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187 { ngx_string("ssl_session_id"), NULL, ngx_http_ssl_variable,
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188 (uintptr_t) ngx_ssl_get_session_id, NGX_HTTP_VAR_CHANGEABLE, 0 },
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189
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380
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190 { ngx_string("ssl_client_cert"), NULL, ngx_http_ssl_variable,
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191 (uintptr_t) ngx_ssl_get_certificate, NGX_HTTP_VAR_CHANGEABLE, 0 },
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192
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390
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193 { ngx_string("ssl_client_raw_cert"), NULL, ngx_http_ssl_variable,
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194 (uintptr_t) ngx_ssl_get_raw_certificate,
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195 NGX_HTTP_VAR_CHANGEABLE, 0 },
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196
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220
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197 { ngx_string("ssl_client_s_dn"), NULL, ngx_http_ssl_variable,
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340
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198 (uintptr_t) ngx_ssl_get_subject_dn, NGX_HTTP_VAR_CHANGEABLE, 0 },
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196
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199
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220
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200 { ngx_string("ssl_client_i_dn"), NULL, ngx_http_ssl_variable,
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340
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201 (uintptr_t) ngx_ssl_get_issuer_dn, NGX_HTTP_VAR_CHANGEABLE, 0 },
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220
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202
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203 { ngx_string("ssl_client_serial"), NULL, ngx_http_ssl_variable,
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340
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204 (uintptr_t) ngx_ssl_get_serial_number, NGX_HTTP_VAR_CHANGEABLE, 0 },
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196
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205
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510
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206 { ngx_string("ssl_client_verify"), NULL, ngx_http_ssl_variable,
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207 (uintptr_t) ngx_ssl_get_client_verify, NGX_HTTP_VAR_CHANGEABLE, 0 },
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208
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186
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209 { ngx_null_string, NULL, NULL, 0, 0, 0 }
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160
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210 };
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211
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212
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272
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213 static ngx_str_t ngx_http_ssl_sess_id_ctx = ngx_string("HTTP");
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92
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214
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215
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160
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216 static ngx_int_t
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220
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217 ngx_http_ssl_static_variable(ngx_http_request_t *r,
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160
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218 ngx_http_variable_value_t *v, uintptr_t data)
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219 {
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220
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220 ngx_ssl_variable_handler_pt handler = (ngx_ssl_variable_handler_pt) data;
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160
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221
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320
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222 size_t len;
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223 ngx_str_t s;
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160
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224
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225 if (r->connection->ssl) {
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226
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320
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227 (void) handler(r->connection, NULL, &s);
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228
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229 v->data = s.data;
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160
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230
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220
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231 for (len = 0; v->data[len]; len++) { /* void */ }
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160
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232
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233 v->len = len;
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234 v->valid = 1;
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340
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235 v->no_cacheable = 0;
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160
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236 v->not_found = 0;
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237
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238 return NGX_OK;
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239 }
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240
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241 v->not_found = 1;
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242
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243 return NGX_OK;
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244 }
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245
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246
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247 static ngx_int_t
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220
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248 ngx_http_ssl_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v,
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196
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249 uintptr_t data)
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250 {
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220
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251 ngx_ssl_variable_handler_pt handler = (ngx_ssl_variable_handler_pt) data;
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196
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252
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320
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253 ngx_str_t s;
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254
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196
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255 if (r->connection->ssl) {
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320
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256
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257 if (handler(r->connection, r->pool, &s) != NGX_OK) {
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196
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258 return NGX_ERROR;
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259 }
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260
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320
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261 v->len = s.len;
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262 v->data = s.data;
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263
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196
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264 if (v->len) {
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265 v->valid = 1;
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340
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266 v->no_cacheable = 0;
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196
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267 v->not_found = 0;
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268
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269 return NGX_OK;
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270 }
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271 }
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272
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273 v->not_found = 1;
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274
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275 return NGX_OK;
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276 }
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277
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278
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279 static ngx_int_t
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160
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280 ngx_http_ssl_add_variables(ngx_conf_t *cf)
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281 {
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282 ngx_http_variable_t *var, *v;
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283
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284 for (v = ngx_http_ssl_vars; v->name.len; v++) {
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285 var = ngx_http_add_variable(cf, &v->name, v->flags);
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286 if (var == NULL) {
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287 return NGX_ERROR;
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288 }
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289
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186
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290 var->get_handler = v->get_handler;
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160
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291 var->data = v->data;
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292 }
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293
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294 return NGX_OK;
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295 }
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296
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297
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50
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298 static void *
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299 ngx_http_ssl_create_srv_conf(ngx_conf_t *cf)
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0
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300 {
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272
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301 ngx_http_ssl_srv_conf_t *sscf;
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0
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302
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272
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303 sscf = ngx_pcalloc(cf->pool, sizeof(ngx_http_ssl_srv_conf_t));
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304 if (sscf == NULL) {
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496
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305 return NULL;
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0
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306 }
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307
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28
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308 /*
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309 * set by ngx_pcalloc():
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310 *
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272
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311 * sscf->protocols = 0;
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380
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312 * sscf->certificate = { 0, NULL };
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313 * sscf->certificate_key = { 0, NULL };
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314 * sscf->dhparam = { 0, NULL };
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315 * sscf->client_certificate = { 0, NULL };
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510
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316 * sscf->crl = { 0, NULL };
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272
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317 * sscf->ciphers.len = 0;
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318 * sscf->ciphers.data = NULL;
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319 * sscf->shm_zone = NULL;
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28
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320 */
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321
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272
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322 sscf->enable = NGX_CONF_UNSET;
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390
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323 sscf->prefer_server_ciphers = NGX_CONF_UNSET;
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480
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324 sscf->verify = NGX_CONF_UNSET_UINT;
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325 sscf->verify_depth = NGX_CONF_UNSET_UINT;
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272
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326 sscf->builtin_session_cache = NGX_CONF_UNSET;
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327 sscf->session_timeout = NGX_CONF_UNSET;
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0
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328
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272
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329 return sscf;
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0
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330 }
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331
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332
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50
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333 static char *
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334 ngx_http_ssl_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child)
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0
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335 {
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336 ngx_http_ssl_srv_conf_t *prev = parent;
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337 ngx_http_ssl_srv_conf_t *conf = child;
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338
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112
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339 ngx_pool_cleanup_t *cln;
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340
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0
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341 ngx_conf_merge_value(conf->enable, prev->enable, 0);
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342
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122
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343 ngx_conf_merge_value(conf->session_timeout,
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344 prev->session_timeout, 300);
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345
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96
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346 ngx_conf_merge_value(conf->prefer_server_ciphers,
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347 prev->prefer_server_ciphers, 0);
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348
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349 ngx_conf_merge_bitmask_value(conf->protocols, prev->protocols,
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350 (NGX_CONF_BITMASK_SET
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351 |NGX_SSL_SSLv2|NGX_SSL_SSLv3|NGX_SSL_TLSv1));
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352
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390
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353 ngx_conf_merge_uint_value(conf->verify, prev->verify, 0);
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354 ngx_conf_merge_uint_value(conf->verify_depth, prev->verify_depth, 1);
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196
|
355
|
|
404
|
356 ngx_conf_merge_str_value(conf->certificate, prev->certificate, "");
|
|
|
357 ngx_conf_merge_str_value(conf->certificate_key, prev->certificate_key, "");
|
|
0
|
358
|
|
380
|
359 ngx_conf_merge_str_value(conf->dhparam, prev->dhparam, "");
|
|
|
360
|
|
196
|
361 ngx_conf_merge_str_value(conf->client_certificate, prev->client_certificate,
|
|
|
362 "");
|
|
510
|
363 ngx_conf_merge_str_value(conf->crl, prev->crl, "");
|
|
196
|
364
|
|
390
|
365 ngx_conf_merge_str_value(conf->ciphers, prev->ciphers, NGX_DEFAULT_CIPHERS);
|
|
28
|
366
|
|
|
367
|
|
96
|
368 conf->ssl.log = cf->log;
|
|
0
|
369
|
|
404
|
370 if (conf->enable) {
|
|
|
371
|
|
|
372 if (conf->certificate.len == 0) {
|
|
|
373 ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
|
|
|
374 "no \"ssl_certificate\" is defined for "
|
|
|
375 "the \"ssl\" directive in %s:%ui",
|
|
|
376 conf->file, conf->line);
|
|
|
377 return NGX_CONF_ERROR;
|
|
|
378 }
|
|
|
379
|
|
|
380 if (conf->certificate_key.len == 0) {
|
|
|
381 ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
|
|
|
382 "no \"ssl_certificate_key\" is defined for "
|
|
|
383 "the \"ssl\" directive in %s:%ui",
|
|
|
384 conf->file, conf->line);
|
|
|
385 return NGX_CONF_ERROR;
|
|
|
386 }
|
|
|
387
|
|
|
388 } else {
|
|
|
389
|
|
|
390 if (conf->certificate.len == 0) {
|
|
|
391 return NGX_CONF_OK;
|
|
|
392 }
|
|
|
393
|
|
|
394 if (conf->certificate_key.len == 0) {
|
|
|
395 ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
|
|
|
396 "no \"ssl_certificate_key\" is defined "
|
|
|
397 "for certificate \"%V\"", &conf->certificate);
|
|
|
398 return NGX_CONF_ERROR;
|
|
|
399 }
|
|
|
400 }
|
|
|
401
|
|
272
|
402 if (ngx_ssl_create(&conf->ssl, conf->protocols, conf) != NGX_OK) {
|
|
0
|
403 return NGX_CONF_ERROR;
|
|
|
404 }
|
|
|
405
|
|
306
|
406 #ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME
|
|
|
407
|
|
|
408 if (SSL_CTX_set_tlsext_servername_callback(conf->ssl.ctx,
|
|
|
409 ngx_http_ssl_servername)
|
|
|
410 == 0)
|
|
|
411 {
|
|
528
|
412 ngx_log_error(NGX_LOG_WARN, cf->log, 0,
|
|
|
413 "nginx was build with SNI support, however, now it is linked "
|
|
|
414 "dynamically to an OpenSSL library which has no tlsext support, "
|
|
|
415 "therefore SNI is not available");
|
|
306
|
416 }
|
|
|
417
|
|
|
418 #endif
|
|
|
419
|
|
112
|
420 cln = ngx_pool_cleanup_add(cf->pool, 0);
|
|
|
421 if (cln == NULL) {
|
|
58
|
422 return NGX_CONF_ERROR;
|
|
|
423 }
|
|
|
424
|
|
112
|
425 cln->handler = ngx_ssl_cleanup_ctx;
|
|
|
426 cln->data = &conf->ssl;
|
|
|
427
|
|
|
428 if (ngx_ssl_certificate(cf, &conf->ssl, &conf->certificate,
|
|
272
|
429 &conf->certificate_key)
|
|
|
430 != NGX_OK)
|
|
78
|
431 {
|
|
0
|
432 return NGX_CONF_ERROR;
|
|
|
433 }
|
|
|
434
|
|
96
|
435 if (SSL_CTX_set_cipher_list(conf->ssl.ctx,
|
|
112
|
436 (const char *) conf->ciphers.data)
|
|
|
437 == 0)
|
|
78
|
438 {
|
|
0
|
439 ngx_ssl_error(NGX_LOG_EMERG, cf->log, 0,
|
|
96
|
440 "SSL_CTX_set_cipher_list(\"%V\") failed",
|
|
|
441 &conf->ciphers);
|
|
|
442 }
|
|
|
443
|
|
196
|
444 if (conf->verify) {
|
|
390
|
445
|
|
|
446 if (conf->client_certificate.len == 0) {
|
|
|
447 ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
|
|
|
448 "no ssl_client_certificate for ssl_client_verify");
|
|
|
449 return NGX_CONF_ERROR;
|
|
|
450 }
|
|
|
451
|
|
220
|
452 if (ngx_ssl_client_certificate(cf, &conf->ssl,
|
|
272
|
453 &conf->client_certificate,
|
|
|
454 conf->verify_depth)
|
|
220
|
455 != NGX_OK)
|
|
|
456 {
|
|
|
457 return NGX_CONF_ERROR;
|
|
196
|
458 }
|
|
510
|
459
|
|
|
460 if (ngx_ssl_crl(cf, &conf->ssl, &conf->crl) != NGX_OK) {
|
|
|
461 return NGX_CONF_ERROR;
|
|
|
462 }
|
|
196
|
463 }
|
|
|
464
|
|
96
|
465 if (conf->prefer_server_ciphers) {
|
|
|
466 SSL_CTX_set_options(conf->ssl.ctx, SSL_OP_CIPHER_SERVER_PREFERENCE);
|
|
|
467 }
|
|
|
468
|
|
|
469 /* a temporary 512-bit RSA key is required for export versions of MSIE */
|
|
|
470 if (ngx_ssl_generate_rsa512_key(&conf->ssl) != NGX_OK) {
|
|
0
|
471 return NGX_CONF_ERROR;
|
|
|
472 }
|
|
|
473
|
|
380
|
474 if (ngx_ssl_dhparam(cf, &conf->ssl, &conf->dhparam) != NGX_OK) {
|
|
|
475 return NGX_CONF_ERROR;
|
|
|
476 }
|
|
|
477
|
|
272
|
478 ngx_conf_merge_value(conf->builtin_session_cache,
|
|
378
|
479 prev->builtin_session_cache, NGX_SSL_NONE_SCACHE);
|
|
272
|
480
|
|
|
481 if (conf->shm_zone == NULL) {
|
|
|
482 conf->shm_zone = prev->shm_zone;
|
|
|
483 }
|
|
92
|
484
|
|
272
|
485 if (ngx_ssl_session_cache(&conf->ssl, &ngx_http_ssl_sess_id_ctx,
|
|
|
486 conf->builtin_session_cache,
|
|
|
487 conf->shm_zone, conf->session_timeout)
|
|
|
488 != NGX_OK)
|
|
|
489 {
|
|
|
490 return NGX_CONF_ERROR;
|
|
|
491 }
|
|
122
|
492
|
|
0
|
493 return NGX_CONF_OK;
|
|
|
494 }
|
|
112
|
495
|
|
|
496
|
|
272
|
497 static char *
|
|
404
|
498 ngx_http_ssl_enable(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
499 {
|
|
|
500 ngx_http_ssl_srv_conf_t *sscf = conf;
|
|
|
501
|
|
|
502 char *rv;
|
|
|
503
|
|
|
504 rv = ngx_conf_set_flag_slot(cf, cmd, conf);
|
|
|
505
|
|
|
506 if (rv != NGX_CONF_OK) {
|
|
|
507 return rv;
|
|
|
508 }
|
|
|
509
|
|
|
510 sscf->file = cf->conf_file->file.name.data;
|
|
|
511 sscf->line = cf->conf_file->line;
|
|
|
512
|
|
|
513 return NGX_CONF_OK;
|
|
|
514 }
|
|
|
515
|
|
|
516
|
|
|
517 static char *
|
|
272
|
518 ngx_http_ssl_session_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
519 {
|
|
|
520 ngx_http_ssl_srv_conf_t *sscf = conf;
|
|
|
521
|
|
|
522 size_t len;
|
|
|
523 ngx_str_t *value, name, size;
|
|
|
524 ngx_int_t n;
|
|
|
525 ngx_uint_t i, j;
|
|
|
526
|
|
|
527 value = cf->args->elts;
|
|
|
528
|
|
|
529 for (i = 1; i < cf->args->nelts; i++) {
|
|
|
530
|
|
358
|
531 if (ngx_strcmp(value[i].data, "off") == 0) {
|
|
|
532 sscf->builtin_session_cache = NGX_SSL_NO_SCACHE;
|
|
|
533 continue;
|
|
|
534 }
|
|
|
535
|
|
378
|
536 if (ngx_strcmp(value[i].data, "none") == 0) {
|
|
|
537 sscf->builtin_session_cache = NGX_SSL_NONE_SCACHE;
|
|
|
538 continue;
|
|
|
539 }
|
|
|
540
|
|
272
|
541 if (ngx_strcmp(value[i].data, "builtin") == 0) {
|
|
|
542 sscf->builtin_session_cache = NGX_SSL_DFLT_BUILTIN_SCACHE;
|
|
|
543 continue;
|
|
|
544 }
|
|
|
545
|
|
|
546 if (value[i].len > sizeof("builtin:") - 1
|
|
|
547 && ngx_strncmp(value[i].data, "builtin:", sizeof("builtin:") - 1)
|
|
|
548 == 0)
|
|
|
549 {
|
|
|
550 n = ngx_atoi(value[i].data + sizeof("builtin:") - 1,
|
|
|
551 value[i].len - (sizeof("builtin:") - 1));
|
|
|
552
|
|
|
553 if (n == NGX_ERROR) {
|
|
|
554 goto invalid;
|
|
|
555 }
|
|
|
556
|
|
|
557 sscf->builtin_session_cache = n;
|
|
|
558
|
|
|
559 continue;
|
|
|
560 }
|
|
|
561
|
|
|
562 if (value[i].len > sizeof("shared:") - 1
|
|
|
563 && ngx_strncmp(value[i].data, "shared:", sizeof("shared:") - 1)
|
|
|
564 == 0)
|
|
|
565 {
|
|
|
566 len = 0;
|
|
|
567
|
|
|
568 for (j = sizeof("shared:") - 1; j < value[i].len; j++) {
|
|
|
569 if (value[i].data[j] == ':') {
|
|
480
|
570 value[i].data[j] = '\0';
|
|
272
|
571 break;
|
|
|
572 }
|
|
|
573
|
|
|
574 len++;
|
|
|
575 }
|
|
|
576
|
|
|
577 if (len == 0) {
|
|
|
578 goto invalid;
|
|
|
579 }
|
|
|
580
|
|
|
581 name.len = len;
|
|
|
582 name.data = value[i].data + sizeof("shared:") - 1;
|
|
|
583
|
|
|
584 size.len = value[i].len - j - 1;
|
|
|
585 size.data = name.data + len + 1;
|
|
|
586
|
|
|
587 n = ngx_parse_size(&size);
|
|
|
588
|
|
|
589 if (n == NGX_ERROR) {
|
|
|
590 goto invalid;
|
|
|
591 }
|
|
|
592
|
|
|
593 if (n < (ngx_int_t) (8 * ngx_pagesize)) {
|
|
|
594 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
595 "session cache \"%V\" is too small",
|
|
|
596 &value[i]);
|
|
|
597
|
|
|
598 return NGX_CONF_ERROR;
|
|
|
599 }
|
|
|
600
|
|
|
601 sscf->shm_zone = ngx_shared_memory_add(cf, &name, n,
|
|
|
602 &ngx_http_ssl_module);
|
|
|
603 if (sscf->shm_zone == NULL) {
|
|
|
604 return NGX_CONF_ERROR;
|
|
|
605 }
|
|
|
606
|
|
|
607 continue;
|
|
|
608 }
|
|
|
609
|
|
|
610 goto invalid;
|
|
|
611 }
|
|
|
612
|
|
|
613 if (sscf->shm_zone && sscf->builtin_session_cache == NGX_CONF_UNSET) {
|
|
|
614 sscf->builtin_session_cache = NGX_SSL_NO_BUILTIN_SCACHE;
|
|
|
615 }
|
|
|
616
|
|
|
617 return NGX_CONF_OK;
|
|
|
618
|
|
|
619 invalid:
|
|
|
620
|
|
|
621 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
622 "invalid session cache \"%V\"", &value[i]);
|
|
|
623
|
|
|
624 return NGX_CONF_ERROR;
|
|
|
625 }
|
