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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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660
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4 * Copyright (C) Nginx, Inc.
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0
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5 */
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6
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7
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8 #include <ngx_config.h>
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9 #include <ngx_core.h>
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10 #include <ngx_http.h>
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11
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122
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12
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220
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13 typedef ngx_int_t (*ngx_ssl_variable_handler_pt)(ngx_connection_t *c,
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14 ngx_pool_t *pool, ngx_str_t *s);
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160
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15
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16
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632
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17 #define NGX_DEFAULT_CIPHERS "HIGH:!aNULL:!MD5"
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18 #define NGX_DEFAULT_ECDH_CURVE "prime256v1"
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0
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19
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20
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220
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21 static ngx_int_t ngx_http_ssl_static_variable(ngx_http_request_t *r,
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160
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22 ngx_http_variable_value_t *v, uintptr_t data);
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220
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23 static ngx_int_t ngx_http_ssl_variable(ngx_http_request_t *r,
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196
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24 ngx_http_variable_value_t *v, uintptr_t data);
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160
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25
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26 static ngx_int_t ngx_http_ssl_add_variables(ngx_conf_t *cf);
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0
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27 static void *ngx_http_ssl_create_srv_conf(ngx_conf_t *cf);
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28 static char *ngx_http_ssl_merge_srv_conf(ngx_conf_t *cf,
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50
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29 void *parent, void *child);
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0
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30
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404
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31 static char *ngx_http_ssl_enable(ngx_conf_t *cf, ngx_command_t *cmd,
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32 void *conf);
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272
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33 static char *ngx_http_ssl_session_cache(ngx_conf_t *cf, ngx_command_t *cmd,
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34 void *conf);
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35
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0
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36
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96
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37 static ngx_conf_bitmask_t ngx_http_ssl_protocols[] = {
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38 { ngx_string("SSLv2"), NGX_SSL_SSLv2 },
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39 { ngx_string("SSLv3"), NGX_SSL_SSLv3 },
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40 { ngx_string("TLSv1"), NGX_SSL_TLSv1 },
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658
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41 { ngx_string("TLSv1.1"), NGX_SSL_TLSv1_1 },
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42 { ngx_string("TLSv1.2"), NGX_SSL_TLSv1_2 },
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96
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43 { ngx_null_string, 0 }
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44 };
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45
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46
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390
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47 static ngx_conf_enum_t ngx_http_ssl_verify[] = {
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48 { ngx_string("off"), 0 },
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49 { ngx_string("on"), 1 },
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510
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50 { ngx_string("optional"), 2 },
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390
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51 { ngx_null_string, 0 }
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52 };
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53
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54
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0
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55 static ngx_command_t ngx_http_ssl_commands[] = {
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56
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57 { ngx_string("ssl"),
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148
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58 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG,
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404
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59 ngx_http_ssl_enable,
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0
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60 NGX_HTTP_SRV_CONF_OFFSET,
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61 offsetof(ngx_http_ssl_srv_conf_t, enable),
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62 NULL },
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63
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64 { ngx_string("ssl_certificate"),
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148
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65 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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0
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66 ngx_conf_set_str_slot,
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67 NGX_HTTP_SRV_CONF_OFFSET,
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68 offsetof(ngx_http_ssl_srv_conf_t, certificate),
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69 NULL },
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70
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71 { ngx_string("ssl_certificate_key"),
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148
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72 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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0
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73 ngx_conf_set_str_slot,
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74 NGX_HTTP_SRV_CONF_OFFSET,
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75 offsetof(ngx_http_ssl_srv_conf_t, certificate_key),
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76 NULL },
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77
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380
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78 { ngx_string("ssl_dhparam"),
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79 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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80 ngx_conf_set_str_slot,
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81 NGX_HTTP_SRV_CONF_OFFSET,
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82 offsetof(ngx_http_ssl_srv_conf_t, dhparam),
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83 NULL },
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84
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632
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85 { ngx_string("ssl_ecdh_curve"),
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86 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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87 ngx_conf_set_str_slot,
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88 NGX_HTTP_SRV_CONF_OFFSET,
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89 offsetof(ngx_http_ssl_srv_conf_t, ecdh_curve),
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90 NULL },
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91
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96
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92 { ngx_string("ssl_protocols"),
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112
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93 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_1MORE,
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96
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94 ngx_conf_set_bitmask_slot,
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95 NGX_HTTP_SRV_CONF_OFFSET,
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96 offsetof(ngx_http_ssl_srv_conf_t, protocols),
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97 &ngx_http_ssl_protocols },
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98
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28
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99 { ngx_string("ssl_ciphers"),
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112
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100 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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28
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101 ngx_conf_set_str_slot,
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102 NGX_HTTP_SRV_CONF_OFFSET,
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103 offsetof(ngx_http_ssl_srv_conf_t, ciphers),
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104 NULL },
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105
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196
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106 { ngx_string("ssl_verify_client"),
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648
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107 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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390
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108 ngx_conf_set_enum_slot,
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196
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109 NGX_HTTP_SRV_CONF_OFFSET,
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110 offsetof(ngx_http_ssl_srv_conf_t, verify),
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390
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111 &ngx_http_ssl_verify },
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196
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112
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113 { ngx_string("ssl_verify_depth"),
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114 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_1MORE,
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115 ngx_conf_set_num_slot,
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116 NGX_HTTP_SRV_CONF_OFFSET,
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117 offsetof(ngx_http_ssl_srv_conf_t, verify_depth),
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118 NULL },
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119
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120 { ngx_string("ssl_client_certificate"),
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121 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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122 ngx_conf_set_str_slot,
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123 NGX_HTTP_SRV_CONF_OFFSET,
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124 offsetof(ngx_http_ssl_srv_conf_t, client_certificate),
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125 NULL },
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126
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96
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127 { ngx_string("ssl_prefer_server_ciphers"),
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128 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG,
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129 ngx_conf_set_flag_slot,
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130 NGX_HTTP_SRV_CONF_OFFSET,
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131 offsetof(ngx_http_ssl_srv_conf_t, prefer_server_ciphers),
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132 NULL },
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133
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272
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134 { ngx_string("ssl_session_cache"),
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135 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE12,
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136 ngx_http_ssl_session_cache,
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137 NGX_HTTP_SRV_CONF_OFFSET,
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138 0,
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139 NULL },
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140
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122
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141 { ngx_string("ssl_session_timeout"),
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142 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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143 ngx_conf_set_sec_slot,
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144 NGX_HTTP_SRV_CONF_OFFSET,
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145 offsetof(ngx_http_ssl_srv_conf_t, session_timeout),
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146 NULL },
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147
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510
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148 { ngx_string("ssl_crl"),
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149 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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150 ngx_conf_set_str_slot,
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151 NGX_HTTP_SRV_CONF_OFFSET,
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152 offsetof(ngx_http_ssl_srv_conf_t, crl),
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153 NULL },
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154
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0
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155 ngx_null_command
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156 };
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157
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158
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159 static ngx_http_module_t ngx_http_ssl_module_ctx = {
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160
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160 ngx_http_ssl_add_variables, /* preconfiguration */
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58
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161 NULL, /* postconfiguration */
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0
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162
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90
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163 NULL, /* create main configuration */
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164 NULL, /* init main configuration */
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0
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165
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166 ngx_http_ssl_create_srv_conf, /* create server configuration */
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167 ngx_http_ssl_merge_srv_conf, /* merge server configuration */
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168
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169 NULL, /* create location configuration */
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34
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170 NULL /* merge location configuration */
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0
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171 };
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172
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173
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174 ngx_module_t ngx_http_ssl_module = {
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58
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175 NGX_MODULE_V1,
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0
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176 &ngx_http_ssl_module_ctx, /* module context */
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177 ngx_http_ssl_commands, /* module directives */
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178 NGX_HTTP_MODULE, /* module type */
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90
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179 NULL, /* init master */
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0
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180 NULL, /* init module */
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90
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181 NULL, /* init process */
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182 NULL, /* init thread */
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183 NULL, /* exit thread */
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184 NULL, /* exit process */
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185 NULL, /* exit master */
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186 NGX_MODULE_V1_PADDING
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0
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187 };
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188
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189
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160
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190 static ngx_http_variable_t ngx_http_ssl_vars[] = {
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191
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220
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192 { ngx_string("ssl_protocol"), NULL, ngx_http_ssl_static_variable,
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340
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193 (uintptr_t) ngx_ssl_get_protocol, NGX_HTTP_VAR_CHANGEABLE, 0 },
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160
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194
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220
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195 { ngx_string("ssl_cipher"), NULL, ngx_http_ssl_static_variable,
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340
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196 (uintptr_t) ngx_ssl_get_cipher_name, NGX_HTTP_VAR_CHANGEABLE, 0 },
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160
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197
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530
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198 { ngx_string("ssl_session_id"), NULL, ngx_http_ssl_variable,
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199 (uintptr_t) ngx_ssl_get_session_id, NGX_HTTP_VAR_CHANGEABLE, 0 },
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200
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380
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201 { ngx_string("ssl_client_cert"), NULL, ngx_http_ssl_variable,
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202 (uintptr_t) ngx_ssl_get_certificate, NGX_HTTP_VAR_CHANGEABLE, 0 },
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203
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390
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204 { ngx_string("ssl_client_raw_cert"), NULL, ngx_http_ssl_variable,
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205 (uintptr_t) ngx_ssl_get_raw_certificate,
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206 NGX_HTTP_VAR_CHANGEABLE, 0 },
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207
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220
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208 { ngx_string("ssl_client_s_dn"), NULL, ngx_http_ssl_variable,
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340
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209 (uintptr_t) ngx_ssl_get_subject_dn, NGX_HTTP_VAR_CHANGEABLE, 0 },
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196
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210
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220
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211 { ngx_string("ssl_client_i_dn"), NULL, ngx_http_ssl_variable,
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340
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212 (uintptr_t) ngx_ssl_get_issuer_dn, NGX_HTTP_VAR_CHANGEABLE, 0 },
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220
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213
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214 { ngx_string("ssl_client_serial"), NULL, ngx_http_ssl_variable,
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340
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215 (uintptr_t) ngx_ssl_get_serial_number, NGX_HTTP_VAR_CHANGEABLE, 0 },
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196
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216
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510
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217 { ngx_string("ssl_client_verify"), NULL, ngx_http_ssl_variable,
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218 (uintptr_t) ngx_ssl_get_client_verify, NGX_HTTP_VAR_CHANGEABLE, 0 },
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219
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186
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220 { ngx_null_string, NULL, NULL, 0, 0, 0 }
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160
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221 };
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222
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223
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272
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224 static ngx_str_t ngx_http_ssl_sess_id_ctx = ngx_string("HTTP");
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92
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225
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226
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160
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227 static ngx_int_t
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220
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228 ngx_http_ssl_static_variable(ngx_http_request_t *r,
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160
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229 ngx_http_variable_value_t *v, uintptr_t data)
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230 {
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220
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231 ngx_ssl_variable_handler_pt handler = (ngx_ssl_variable_handler_pt) data;
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160
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232
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320
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233 size_t len;
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234 ngx_str_t s;
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160
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235
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236 if (r->connection->ssl) {
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237
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320
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238 (void) handler(r->connection, NULL, &s);
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239
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240 v->data = s.data;
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160
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241
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220
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242 for (len = 0; v->data[len]; len++) { /* void */ }
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160
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243
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244 v->len = len;
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245 v->valid = 1;
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340
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246 v->no_cacheable = 0;
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160
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247 v->not_found = 0;
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248
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249 return NGX_OK;
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250 }
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251
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252 v->not_found = 1;
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253
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254 return NGX_OK;
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255 }
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256
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257
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258 static ngx_int_t
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220
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259 ngx_http_ssl_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v,
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196
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260 uintptr_t data)
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261 {
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220
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262 ngx_ssl_variable_handler_pt handler = (ngx_ssl_variable_handler_pt) data;
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196
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263
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320
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264 ngx_str_t s;
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265
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196
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266 if (r->connection->ssl) {
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320
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267
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268 if (handler(r->connection, r->pool, &s) != NGX_OK) {
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196
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269 return NGX_ERROR;
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270 }
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271
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320
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272 v->len = s.len;
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273 v->data = s.data;
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274
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196
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275 if (v->len) {
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276 v->valid = 1;
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340
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277 v->no_cacheable = 0;
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196
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278 v->not_found = 0;
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279
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280 return NGX_OK;
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281 }
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282 }
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283
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284 v->not_found = 1;
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285
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286 return NGX_OK;
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287 }
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288
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289
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290 static ngx_int_t
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160
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291 ngx_http_ssl_add_variables(ngx_conf_t *cf)
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292 {
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293 ngx_http_variable_t *var, *v;
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294
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295 for (v = ngx_http_ssl_vars; v->name.len; v++) {
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296 var = ngx_http_add_variable(cf, &v->name, v->flags);
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297 if (var == NULL) {
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298 return NGX_ERROR;
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299 }
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300
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186
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301 var->get_handler = v->get_handler;
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160
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302 var->data = v->data;
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303 }
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304
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305 return NGX_OK;
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306 }
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307
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308
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50
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309 static void *
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310 ngx_http_ssl_create_srv_conf(ngx_conf_t *cf)
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0
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311 {
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272
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312 ngx_http_ssl_srv_conf_t *sscf;
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0
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313
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272
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314 sscf = ngx_pcalloc(cf->pool, sizeof(ngx_http_ssl_srv_conf_t));
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315 if (sscf == NULL) {
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496
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316 return NULL;
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0
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317 }
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318
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28
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319 /*
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320 * set by ngx_pcalloc():
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321 *
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272
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322 * sscf->protocols = 0;
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380
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323 * sscf->certificate = { 0, NULL };
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324 * sscf->certificate_key = { 0, NULL };
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325 * sscf->dhparam = { 0, NULL };
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632
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326 * sscf->ecdh_curve = { 0, NULL };
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380
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327 * sscf->client_certificate = { 0, NULL };
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510
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328 * sscf->crl = { 0, NULL };
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570
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329 * sscf->ciphers = { 0, NULL };
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272
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330 * sscf->shm_zone = NULL;
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28
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331 */
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332
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272
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333 sscf->enable = NGX_CONF_UNSET;
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390
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334 sscf->prefer_server_ciphers = NGX_CONF_UNSET;
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480
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335 sscf->verify = NGX_CONF_UNSET_UINT;
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336 sscf->verify_depth = NGX_CONF_UNSET_UINT;
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272
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337 sscf->builtin_session_cache = NGX_CONF_UNSET;
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338 sscf->session_timeout = NGX_CONF_UNSET;
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0
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339
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272
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340 return sscf;
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0
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341 }
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342
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343
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50
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344 static char *
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345 ngx_http_ssl_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child)
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0
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346 {
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347 ngx_http_ssl_srv_conf_t *prev = parent;
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348 ngx_http_ssl_srv_conf_t *conf = child;
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349
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112
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350 ngx_pool_cleanup_t *cln;
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351
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646
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352 if (conf->enable == NGX_CONF_UNSET) {
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353 if (prev->enable == NGX_CONF_UNSET) {
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|
|
354 conf->enable = 0;
|
|
|
355
|
|
|
356 } else {
|
|
|
357 conf->enable = prev->enable;
|
|
|
358 conf->file = prev->file;
|
|
|
359 conf->line = prev->line;
|
|
|
360 }
|
|
|
361 }
|
|
0
|
362
|
|
122
|
363 ngx_conf_merge_value(conf->session_timeout,
|
|
|
364 prev->session_timeout, 300);
|
|
|
365
|
|
96
|
366 ngx_conf_merge_value(conf->prefer_server_ciphers,
|
|
|
367 prev->prefer_server_ciphers, 0);
|
|
|
368
|
|
|
369 ngx_conf_merge_bitmask_value(conf->protocols, prev->protocols,
|
|
658
|
370 (NGX_CONF_BITMASK_SET|NGX_SSL_SSLv3|NGX_SSL_TLSv1
|
|
|
371 |NGX_SSL_TLSv1_1|NGX_SSL_TLSv1_2));
|
|
96
|
372
|
|
390
|
373 ngx_conf_merge_uint_value(conf->verify, prev->verify, 0);
|
|
|
374 ngx_conf_merge_uint_value(conf->verify_depth, prev->verify_depth, 1);
|
|
196
|
375
|
|
404
|
376 ngx_conf_merge_str_value(conf->certificate, prev->certificate, "");
|
|
|
377 ngx_conf_merge_str_value(conf->certificate_key, prev->certificate_key, "");
|
|
0
|
378
|
|
380
|
379 ngx_conf_merge_str_value(conf->dhparam, prev->dhparam, "");
|
|
|
380
|
|
196
|
381 ngx_conf_merge_str_value(conf->client_certificate, prev->client_certificate,
|
|
|
382 "");
|
|
510
|
383 ngx_conf_merge_str_value(conf->crl, prev->crl, "");
|
|
196
|
384
|
|
632
|
385 ngx_conf_merge_str_value(conf->ecdh_curve, prev->ecdh_curve,
|
|
|
386 NGX_DEFAULT_ECDH_CURVE);
|
|
|
387
|
|
390
|
388 ngx_conf_merge_str_value(conf->ciphers, prev->ciphers, NGX_DEFAULT_CIPHERS);
|
|
28
|
389
|
|
|
390
|
|
96
|
391 conf->ssl.log = cf->log;
|
|
0
|
392
|
|
404
|
393 if (conf->enable) {
|
|
|
394
|
|
|
395 if (conf->certificate.len == 0) {
|
|
|
396 ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
|
|
|
397 "no \"ssl_certificate\" is defined for "
|
|
|
398 "the \"ssl\" directive in %s:%ui",
|
|
|
399 conf->file, conf->line);
|
|
|
400 return NGX_CONF_ERROR;
|
|
|
401 }
|
|
|
402
|
|
|
403 if (conf->certificate_key.len == 0) {
|
|
|
404 ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
|
|
|
405 "no \"ssl_certificate_key\" is defined for "
|
|
|
406 "the \"ssl\" directive in %s:%ui",
|
|
|
407 conf->file, conf->line);
|
|
|
408 return NGX_CONF_ERROR;
|
|
|
409 }
|
|
|
410
|
|
|
411 } else {
|
|
|
412
|
|
|
413 if (conf->certificate.len == 0) {
|
|
|
414 return NGX_CONF_OK;
|
|
|
415 }
|
|
|
416
|
|
|
417 if (conf->certificate_key.len == 0) {
|
|
|
418 ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
|
|
|
419 "no \"ssl_certificate_key\" is defined "
|
|
|
420 "for certificate \"%V\"", &conf->certificate);
|
|
|
421 return NGX_CONF_ERROR;
|
|
|
422 }
|
|
|
423 }
|
|
|
424
|
|
272
|
425 if (ngx_ssl_create(&conf->ssl, conf->protocols, conf) != NGX_OK) {
|
|
0
|
426 return NGX_CONF_ERROR;
|
|
|
427 }
|
|
|
428
|
|
306
|
429 #ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME
|
|
|
430
|
|
|
431 if (SSL_CTX_set_tlsext_servername_callback(conf->ssl.ctx,
|
|
|
432 ngx_http_ssl_servername)
|
|
|
433 == 0)
|
|
|
434 {
|
|
528
|
435 ngx_log_error(NGX_LOG_WARN, cf->log, 0,
|
|
538
|
436 "nginx was built with SNI support, however, now it is linked "
|
|
528
|
437 "dynamically to an OpenSSL library which has no tlsext support, "
|
|
|
438 "therefore SNI is not available");
|
|
306
|
439 }
|
|
|
440
|
|
|
441 #endif
|
|
|
442
|
|
112
|
443 cln = ngx_pool_cleanup_add(cf->pool, 0);
|
|
|
444 if (cln == NULL) {
|
|
58
|
445 return NGX_CONF_ERROR;
|
|
|
446 }
|
|
|
447
|
|
112
|
448 cln->handler = ngx_ssl_cleanup_ctx;
|
|
|
449 cln->data = &conf->ssl;
|
|
|
450
|
|
|
451 if (ngx_ssl_certificate(cf, &conf->ssl, &conf->certificate,
|
|
272
|
452 &conf->certificate_key)
|
|
|
453 != NGX_OK)
|
|
78
|
454 {
|
|
0
|
455 return NGX_CONF_ERROR;
|
|
|
456 }
|
|
|
457
|
|
96
|
458 if (SSL_CTX_set_cipher_list(conf->ssl.ctx,
|
|
112
|
459 (const char *) conf->ciphers.data)
|
|
|
460 == 0)
|
|
78
|
461 {
|
|
0
|
462 ngx_ssl_error(NGX_LOG_EMERG, cf->log, 0,
|
|
96
|
463 "SSL_CTX_set_cipher_list(\"%V\") failed",
|
|
|
464 &conf->ciphers);
|
|
|
465 }
|
|
|
466
|
|
196
|
467 if (conf->verify) {
|
|
390
|
468
|
|
|
469 if (conf->client_certificate.len == 0) {
|
|
|
470 ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
|
|
|
471 "no ssl_client_certificate for ssl_client_verify");
|
|
|
472 return NGX_CONF_ERROR;
|
|
|
473 }
|
|
|
474
|
|
220
|
475 if (ngx_ssl_client_certificate(cf, &conf->ssl,
|
|
272
|
476 &conf->client_certificate,
|
|
|
477 conf->verify_depth)
|
|
220
|
478 != NGX_OK)
|
|
|
479 {
|
|
|
480 return NGX_CONF_ERROR;
|
|
196
|
481 }
|
|
510
|
482
|
|
|
483 if (ngx_ssl_crl(cf, &conf->ssl, &conf->crl) != NGX_OK) {
|
|
|
484 return NGX_CONF_ERROR;
|
|
|
485 }
|
|
196
|
486 }
|
|
|
487
|
|
96
|
488 if (conf->prefer_server_ciphers) {
|
|
|
489 SSL_CTX_set_options(conf->ssl.ctx, SSL_OP_CIPHER_SERVER_PREFERENCE);
|
|
|
490 }
|
|
|
491
|
|
|
492 /* a temporary 512-bit RSA key is required for export versions of MSIE */
|
|
632
|
493 SSL_CTX_set_tmp_rsa_callback(conf->ssl.ctx, ngx_ssl_rsa512_key_callback);
|
|
|
494
|
|
|
495 if (ngx_ssl_dhparam(cf, &conf->ssl, &conf->dhparam) != NGX_OK) {
|
|
0
|
496 return NGX_CONF_ERROR;
|
|
|
497 }
|
|
|
498
|
|
632
|
499 if (ngx_ssl_ecdh_curve(cf, &conf->ssl, &conf->ecdh_curve) != NGX_OK) {
|
|
380
|
500 return NGX_CONF_ERROR;
|
|
|
501 }
|
|
|
502
|
|
272
|
503 ngx_conf_merge_value(conf->builtin_session_cache,
|
|
378
|
504 prev->builtin_session_cache, NGX_SSL_NONE_SCACHE);
|
|
272
|
505
|
|
|
506 if (conf->shm_zone == NULL) {
|
|
|
507 conf->shm_zone = prev->shm_zone;
|
|
|
508 }
|
|
92
|
509
|
|
272
|
510 if (ngx_ssl_session_cache(&conf->ssl, &ngx_http_ssl_sess_id_ctx,
|
|
|
511 conf->builtin_session_cache,
|
|
|
512 conf->shm_zone, conf->session_timeout)
|
|
|
513 != NGX_OK)
|
|
|
514 {
|
|
|
515 return NGX_CONF_ERROR;
|
|
|
516 }
|
|
122
|
517
|
|
0
|
518 return NGX_CONF_OK;
|
|
|
519 }
|
|
112
|
520
|
|
|
521
|
|
272
|
522 static char *
|
|
404
|
523 ngx_http_ssl_enable(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
524 {
|
|
|
525 ngx_http_ssl_srv_conf_t *sscf = conf;
|
|
|
526
|
|
|
527 char *rv;
|
|
|
528
|
|
|
529 rv = ngx_conf_set_flag_slot(cf, cmd, conf);
|
|
|
530
|
|
|
531 if (rv != NGX_CONF_OK) {
|
|
|
532 return rv;
|
|
|
533 }
|
|
|
534
|
|
|
535 sscf->file = cf->conf_file->file.name.data;
|
|
|
536 sscf->line = cf->conf_file->line;
|
|
|
537
|
|
|
538 return NGX_CONF_OK;
|
|
|
539 }
|
|
|
540
|
|
|
541
|
|
|
542 static char *
|
|
272
|
543 ngx_http_ssl_session_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
544 {
|
|
|
545 ngx_http_ssl_srv_conf_t *sscf = conf;
|
|
|
546
|
|
|
547 size_t len;
|
|
|
548 ngx_str_t *value, name, size;
|
|
|
549 ngx_int_t n;
|
|
|
550 ngx_uint_t i, j;
|
|
|
551
|
|
|
552 value = cf->args->elts;
|
|
|
553
|
|
|
554 for (i = 1; i < cf->args->nelts; i++) {
|
|
|
555
|
|
358
|
556 if (ngx_strcmp(value[i].data, "off") == 0) {
|
|
|
557 sscf->builtin_session_cache = NGX_SSL_NO_SCACHE;
|
|
|
558 continue;
|
|
|
559 }
|
|
|
560
|
|
378
|
561 if (ngx_strcmp(value[i].data, "none") == 0) {
|
|
|
562 sscf->builtin_session_cache = NGX_SSL_NONE_SCACHE;
|
|
|
563 continue;
|
|
|
564 }
|
|
|
565
|
|
272
|
566 if (ngx_strcmp(value[i].data, "builtin") == 0) {
|
|
|
567 sscf->builtin_session_cache = NGX_SSL_DFLT_BUILTIN_SCACHE;
|
|
|
568 continue;
|
|
|
569 }
|
|
|
570
|
|
|
571 if (value[i].len > sizeof("builtin:") - 1
|
|
|
572 && ngx_strncmp(value[i].data, "builtin:", sizeof("builtin:") - 1)
|
|
|
573 == 0)
|
|
|
574 {
|
|
|
575 n = ngx_atoi(value[i].data + sizeof("builtin:") - 1,
|
|
|
576 value[i].len - (sizeof("builtin:") - 1));
|
|
|
577
|
|
|
578 if (n == NGX_ERROR) {
|
|
|
579 goto invalid;
|
|
|
580 }
|
|
|
581
|
|
|
582 sscf->builtin_session_cache = n;
|
|
|
583
|
|
|
584 continue;
|
|
|
585 }
|
|
|
586
|
|
|
587 if (value[i].len > sizeof("shared:") - 1
|
|
|
588 && ngx_strncmp(value[i].data, "shared:", sizeof("shared:") - 1)
|
|
|
589 == 0)
|
|
|
590 {
|
|
|
591 len = 0;
|
|
|
592
|
|
|
593 for (j = sizeof("shared:") - 1; j < value[i].len; j++) {
|
|
|
594 if (value[i].data[j] == ':') {
|
|
480
|
595 value[i].data[j] = '\0';
|
|
272
|
596 break;
|
|
|
597 }
|
|
|
598
|
|
|
599 len++;
|
|
|
600 }
|
|
|
601
|
|
|
602 if (len == 0) {
|
|
|
603 goto invalid;
|
|
|
604 }
|
|
|
605
|
|
|
606 name.len = len;
|
|
|
607 name.data = value[i].data + sizeof("shared:") - 1;
|
|
|
608
|
|
|
609 size.len = value[i].len - j - 1;
|
|
|
610 size.data = name.data + len + 1;
|
|
|
611
|
|
|
612 n = ngx_parse_size(&size);
|
|
|
613
|
|
|
614 if (n == NGX_ERROR) {
|
|
|
615 goto invalid;
|
|
|
616 }
|
|
|
617
|
|
|
618 if (n < (ngx_int_t) (8 * ngx_pagesize)) {
|
|
|
619 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
620 "session cache \"%V\" is too small",
|
|
|
621 &value[i]);
|
|
|
622
|
|
|
623 return NGX_CONF_ERROR;
|
|
|
624 }
|
|
|
625
|
|
|
626 sscf->shm_zone = ngx_shared_memory_add(cf, &name, n,
|
|
|
627 &ngx_http_ssl_module);
|
|
|
628 if (sscf->shm_zone == NULL) {
|
|
|
629 return NGX_CONF_ERROR;
|
|
|
630 }
|
|
|
631
|
|
642
|
632 sscf->shm_zone->init = ngx_ssl_session_cache_init;
|
|
|
633
|
|
272
|
634 continue;
|
|
|
635 }
|
|
|
636
|
|
|
637 goto invalid;
|
|
|
638 }
|
|
|
639
|
|
|
640 if (sscf->shm_zone && sscf->builtin_session_cache == NGX_CONF_UNSET) {
|
|
|
641 sscf->builtin_session_cache = NGX_SSL_NO_BUILTIN_SCACHE;
|
|
|
642 }
|
|
|
643
|
|
|
644 return NGX_CONF_OK;
|
|
|
645
|
|
|
646 invalid:
|
|
|
647
|
|
|
648 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
649 "invalid session cache \"%V\"", &value[i]);
|
|
|
650
|
|
|
651 return NGX_CONF_ERROR;
|
|
|
652 }
|
