Mercurial > hg > nginx
annotate src/http/v3/ngx_http_v3_module.c @ 8481:0d2b2664b41c quic
QUIC: added "quic" listen parameter.
The parameter allows processing HTTP/0.9-2 over QUIC.
Also, introduced ngx_http_quic_module and moved QUIC settings there
author | Roman Arutyunyan <arut@nginx.com> |
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date | Tue, 21 Jul 2020 23:09:22 +0300 |
parents | c9538aef3211 |
children | 65c1fc5fae15 |
rev | line source |
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2 /* | |
3 * Copyright (C) Nginx, Inc. | |
4 * Copyright (C) Roman Arutyunyan | |
5 */ | |
6 | |
7 | |
8 #include <ngx_config.h> | |
9 #include <ngx_core.h> | |
10 #include <ngx_http.h> | |
11 | |
12 | |
13 static ngx_command_t ngx_http_v3_commands[] = { | |
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14 |
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15 { ngx_string("http3_max_field_size"), |
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16 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, |
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17 ngx_conf_set_size_slot, |
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18 NGX_HTTP_SRV_CONF_OFFSET, |
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19 offsetof(ngx_http_v3_srv_conf_t, max_field_size), |
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20 NULL }, |
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21 |
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22 { ngx_string("http3_max_table_capacity"), |
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23 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, |
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24 ngx_conf_set_size_slot, |
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25 NGX_HTTP_SRV_CONF_OFFSET, |
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26 offsetof(ngx_http_v3_srv_conf_t, max_table_capacity), |
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27 NULL }, |
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28 |
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29 { ngx_string("http3_max_blocked_streams"), |
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30 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, |
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31 ngx_conf_set_num_slot, |
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32 NGX_HTTP_SRV_CONF_OFFSET, |
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33 offsetof(ngx_http_v3_srv_conf_t, max_blocked_streams), |
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34 NULL }, |
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35 |
8215 | 36 ngx_null_command |
37 }; | |
38 | |
39 | |
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40 static ngx_int_t ngx_http_variable_http3(ngx_http_request_t *r, |
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41 ngx_http_variable_value_t *v, uintptr_t data); |
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42 static ngx_int_t ngx_http_v3_add_variables(ngx_conf_t *cf); |
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43 static void *ngx_http_v3_create_srv_conf(ngx_conf_t *cf); |
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44 static char *ngx_http_v3_merge_srv_conf(ngx_conf_t *cf, |
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45 void *parent, void *child); |
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46 |
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47 |
8215 | 48 static ngx_http_module_t ngx_http_v3_module_ctx = { |
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49 ngx_http_v3_add_variables, /* preconfiguration */ |
8215 | 50 NULL, /* postconfiguration */ |
51 | |
52 NULL, /* create main configuration */ | |
53 NULL, /* init main configuration */ | |
54 | |
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55 ngx_http_v3_create_srv_conf, /* create server configuration */ |
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56 ngx_http_v3_merge_srv_conf, /* merge server configuration */ |
8215 | 57 |
58 NULL, /* create location configuration */ | |
59 NULL /* merge location configuration */ | |
60 }; | |
61 | |
62 | |
63 ngx_module_t ngx_http_v3_module = { | |
64 NGX_MODULE_V1, | |
65 &ngx_http_v3_module_ctx, /* module context */ | |
66 ngx_http_v3_commands, /* module directives */ | |
67 NGX_HTTP_MODULE, /* module type */ | |
68 NULL, /* init master */ | |
69 NULL, /* init module */ | |
70 NULL, /* init process */ | |
71 NULL, /* init thread */ | |
72 NULL, /* exit thread */ | |
73 NULL, /* exit process */ | |
74 NULL, /* exit master */ | |
75 NGX_MODULE_V1_PADDING | |
76 }; | |
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77 |
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78 |
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79 static ngx_http_variable_t ngx_http_v3_vars[] = { |
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80 |
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81 { ngx_string("http3"), NULL, ngx_http_variable_http3, |
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82 0, 0, 0 }, |
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83 |
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84 ngx_http_null_variable |
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85 }; |
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86 |
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87 |
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88 static ngx_int_t |
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89 ngx_http_variable_http3(ngx_http_request_t *r, |
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90 ngx_http_variable_value_t *v, uintptr_t data) |
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91 { |
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92 v->valid = 1; |
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93 v->no_cacheable = 1; |
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94 v->not_found = 0; |
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95 |
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96 v->data = ngx_pnalloc(r->pool, sizeof("h3-xx") - 1); |
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97 if (v->data == NULL) { |
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98 return NGX_ERROR; |
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99 } |
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100 |
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101 v->len = ngx_sprintf(v->data, "h3-%d", NGX_QUIC_DRAFT_VERSION) - v->data; |
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102 |
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103 return NGX_OK; |
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104 } |
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105 |
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106 |
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107 static ngx_int_t |
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108 ngx_http_v3_add_variables(ngx_conf_t *cf) |
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109 { |
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110 ngx_http_variable_t *var, *v; |
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111 |
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112 for (v = ngx_http_v3_vars; v->name.len; v++) { |
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113 var = ngx_http_add_variable(cf, &v->name, v->flags); |
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114 if (var == NULL) { |
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115 return NGX_ERROR; |
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116 } |
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117 |
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118 var->get_handler = v->get_handler; |
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119 var->data = v->data; |
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120 } |
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121 |
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122 return NGX_OK; |
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123 } |
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124 |
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125 |
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126 |
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127 static void * |
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128 ngx_http_v3_create_srv_conf(ngx_conf_t *cf) |
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129 { |
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130 ngx_http_v3_srv_conf_t *v3cf; |
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131 |
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132 v3cf = ngx_pcalloc(cf->pool, sizeof(ngx_http_v3_srv_conf_t)); |
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133 if (v3cf == NULL) { |
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134 return NULL; |
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135 } |
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136 |
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137 v3cf->max_field_size = NGX_CONF_UNSET_SIZE; |
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138 v3cf->max_table_capacity = NGX_CONF_UNSET_SIZE; |
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139 v3cf->max_blocked_streams = NGX_CONF_UNSET_UINT; |
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140 |
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141 return v3cf; |
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142 } |
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143 |
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144 |
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145 static char * |
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146 ngx_http_v3_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child) |
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147 { |
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148 ngx_http_v3_srv_conf_t *prev = parent; |
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149 ngx_http_v3_srv_conf_t *conf = child; |
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150 |
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HTTP/3: http3_max_field_size directive to limit string size.
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151 ngx_conf_merge_size_value(conf->max_field_size, |
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152 prev->max_field_size, |
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153 NGX_HTTP_V3_DEFAULT_MAX_FIELD_SIZE); |
8383
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Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
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154 |
8456
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HTTP/3: refactored dynamic table implementation.
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155 ngx_conf_merge_size_value(conf->max_table_capacity, |
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parents:
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156 prev->max_table_capacity, |
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157 NGX_HTTP_V3_DEFAULT_MAX_TABLE_CAPACITY); |
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158 |
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159 ngx_conf_merge_uint_value(conf->max_blocked_streams, |
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160 prev->max_blocked_streams, |
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161 NGX_HTTP_V3_DEFAULT_MAX_BLOCKED_STREAMS); |
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162 |
8353
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HTTP/3: directives with limited values converted to post handler.
Sergey Kandaurov <pluknet@nginx.com>
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163 return NGX_CONF_OK; |
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164 } |