Mercurial > hg > nginx-quic
annotate src/http/ngx_http_cache.h @ 5095:4fbef397c753
SNI: added restriction on requesting host other than negotiated.
According to RFC 6066, client is not supposed to request a different server
name at the application layer. Server implementations that rely upon these
names being equal must validate that a client did not send a different name
in HTTP request. Current versions of Apache HTTP server always return 400
"Bad Request" in such cases.
There exist implementations however (e.g., SPDY) that rely on being able to
request different host names in one connection. Given this, we only reject
requests with differing host names if verification of client certificates
is enabled in a corresponding server configuration.
An example of configuration that might not work as expected:
server {
listen 433 ssl default;
return 404;
}
server {
listen 433 ssl;
server_name example.org;
ssl_client_certificate org.cert;
ssl_verify_client on;
}
server {
listen 433 ssl;
server_name example.com;
ssl_client_certificate com.cert;
ssl_verify_client on;
}
Previously, a client was able to request example.com by presenting
a certificate for example.org, and vice versa.
author | Valentin Bartenev <vbart@nginx.com> |
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date | Wed, 27 Feb 2013 17:41:34 +0000 |
parents | d620f497c50f |
children | 43ccaf8e8728 |
rev | line source |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
441
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5 */ |
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8 #ifndef _NGX_HTTP_CACHE_H_INCLUDED_ |
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9 #define _NGX_HTTP_CACHE_H_INCLUDED_ |
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12 #include <ngx_config.h> |
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13 #include <ngx_core.h> |
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14 #include <ngx_http.h> |
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18 #define NGX_HTTP_CACHE_BYPASS 2 |
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19 #define NGX_HTTP_CACHE_EXPIRED 3 |
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20 #define NGX_HTTP_CACHE_STALE 4 |
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21 #define NGX_HTTP_CACHE_UPDATING 5 |
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22 #define NGX_HTTP_CACHE_HIT 6 |
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23 #define NGX_HTTP_CACHE_SCARCE 7 |
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24 |
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25 #define NGX_HTTP_CACHE_KEY_LEN 16 |
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28 typedef struct { |
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29 ngx_uint_t status; |
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30 time_t valid; |
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31 } ngx_http_cache_valid_t; |
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32 |
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33 |
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34 typedef struct { |
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35 ngx_rbtree_node_t node; |
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36 ngx_queue_t queue; |
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37 |
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38 u_char key[NGX_HTTP_CACHE_KEY_LEN |
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39 - sizeof(ngx_rbtree_key_t)]; |
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40 |
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41 unsigned count:20; |
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42 unsigned uses:10; |
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43 unsigned valid_msec:10; |
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44 unsigned error:10; |
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45 unsigned exists:1; |
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46 unsigned updating:1; |
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47 unsigned deleting:1; |
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48 /* 11 unused bits */ |
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49 |
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50 ngx_file_uniq_t uniq; |
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51 time_t expire; |
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52 time_t valid_sec; |
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53 size_t body_start; |
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54 off_t fs_size; |
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55 } ngx_http_file_cache_node_t; |
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56 |
469 | 57 |
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58 struct ngx_http_cache_s { |
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59 ngx_file_t file; |
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60 ngx_array_t keys; |
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61 uint32_t crc32; |
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62 u_char key[NGX_HTTP_CACHE_KEY_LEN]; |
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63 |
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64 ngx_file_uniq_t uniq; |
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65 time_t valid_sec; |
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66 time_t last_modified; |
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67 time_t date; |
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68 |
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69 size_t header_start; |
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70 size_t body_start; |
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71 off_t length; |
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72 off_t fs_size; |
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73 |
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74 ngx_uint_t min_uses; |
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75 ngx_uint_t error; |
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76 ngx_uint_t valid_msec; |
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77 |
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78 ngx_buf_t *buf; |
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79 |
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80 ngx_http_file_cache_t *file_cache; |
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81 ngx_http_file_cache_node_t *node; |
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82 |
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83 ngx_msec_t lock_timeout; |
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84 ngx_msec_t wait_time; |
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85 |
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86 ngx_event_t wait_event; |
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87 |
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88 unsigned lock:1; |
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89 unsigned waiting:1; |
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90 |
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91 unsigned updated:1; |
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92 unsigned updating:1; |
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93 unsigned exists:1; |
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94 unsigned temp_file:1; |
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95 }; |
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96 |
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473 | 98 typedef struct { |
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99 time_t valid_sec; |
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100 time_t last_modified; |
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101 time_t date; |
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102 uint32_t crc32; |
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103 u_short valid_msec; |
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104 u_short header_start; |
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105 u_short body_start; |
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106 } ngx_http_file_cache_header_t; |
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108 | |
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109 typedef struct { |
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110 ngx_rbtree_t rbtree; |
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111 ngx_rbtree_node_t sentinel; |
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112 ngx_queue_t queue; |
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113 ngx_atomic_t cold; |
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115 off_t size; |
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116 } ngx_http_file_cache_sh_t; |
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117 |
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118 |
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119 struct ngx_http_file_cache_s { |
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120 ngx_http_file_cache_sh_t *sh; |
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121 ngx_slab_pool_t *shpool; |
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123 ngx_path_t *path; |
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124 |
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125 off_t max_size; |
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126 size_t bsize; |
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127 |
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128 time_t inactive; |
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129 |
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130 ngx_uint_t files; |
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131 ngx_uint_t loader_files; |
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132 ngx_msec_t last; |
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133 ngx_msec_t loader_sleep; |
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134 ngx_msec_t loader_threshold; |
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135 |
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136 ngx_shm_zone_t *shm_zone; |
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137 }; |
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138 |
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139 |
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140 ngx_int_t ngx_http_file_cache_new(ngx_http_request_t *r); |
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141 ngx_int_t ngx_http_file_cache_create(ngx_http_request_t *r); |
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142 void ngx_http_file_cache_create_key(ngx_http_request_t *r); |
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143 ngx_int_t ngx_http_file_cache_open(ngx_http_request_t *r); |
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144 void ngx_http_file_cache_set_header(ngx_http_request_t *r, u_char *buf); |
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145 void ngx_http_file_cache_update(ngx_http_request_t *r, ngx_temp_file_t *tf); |
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146 ngx_int_t ngx_http_cache_send(ngx_http_request_t *); |
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147 void ngx_http_file_cache_free(ngx_http_cache_t *c, ngx_temp_file_t *tf); |
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148 time_t ngx_http_file_cache_valid(ngx_array_t *cache_valid, ngx_uint_t status); |
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149 |
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150 char *ngx_http_file_cache_set_slot(ngx_conf_t *cf, ngx_command_t *cmd, |
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151 void *conf); |
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152 char *ngx_http_file_cache_valid_set_slot(ngx_conf_t *cf, ngx_command_t *cmd, |
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153 void *conf); |
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155 |
2952 | 156 extern ngx_str_t ngx_http_cache_status[]; |
157 | |
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158 |
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159 #endif /* _NGX_HTTP_CACHE_H_INCLUDED_ */ |