Mercurial > hg > nginx
annotate src/http/v3/ngx_http_v3_module.c @ 9331:dbf76fdd109f default tip
release-1.27.4 tag
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Tue, 03 Sep 2024 13:11:25 +0300 |
parents | ad3d34ddfdcc |
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rev | line source |
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8215 | 1 |
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 | |
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13 static ngx_int_t ngx_http_v3_variable(ngx_http_request_t *r, |
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14 ngx_http_variable_value_t *v, uintptr_t data); |
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15 static ngx_int_t ngx_http_v3_add_variables(ngx_conf_t *cf); |
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16 static void *ngx_http_v3_create_srv_conf(ngx_conf_t *cf); |
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17 static char *ngx_http_v3_merge_srv_conf(ngx_conf_t *cf, void *parent, |
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18 void *child); |
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19 static char *ngx_http_quic_host_key(ngx_conf_t *cf, ngx_command_t *cmd, |
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20 void *conf); |
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21 |
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22 |
8215 | 23 static ngx_command_t ngx_http_v3_commands[] = { |
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24 |
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25 { ngx_string("http3"), |
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26 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG, |
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27 ngx_conf_set_flag_slot, |
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28 NGX_HTTP_SRV_CONF_OFFSET, |
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29 offsetof(ngx_http_v3_srv_conf_t, enable), |
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30 NULL }, |
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31 |
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32 { ngx_string("http3_hq"), |
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33 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG, |
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34 ngx_conf_set_flag_slot, |
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35 NGX_HTTP_SRV_CONF_OFFSET, |
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36 offsetof(ngx_http_v3_srv_conf_t, enable_hq), |
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37 NULL }, |
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38 |
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39 { ngx_string("http3_max_concurrent_streams"), |
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40 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, |
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41 ngx_conf_set_num_slot, |
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42 NGX_HTTP_SRV_CONF_OFFSET, |
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43 offsetof(ngx_http_v3_srv_conf_t, max_concurrent_streams), |
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44 NULL }, |
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45 |
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46 { ngx_string("http3_stream_buffer_size"), |
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47 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, |
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48 ngx_conf_set_size_slot, |
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49 NGX_HTTP_SRV_CONF_OFFSET, |
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50 offsetof(ngx_http_v3_srv_conf_t, quic.stream_buffer_size), |
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51 NULL }, |
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52 |
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53 { ngx_string("quic_retry"), |
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54 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG, |
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55 ngx_conf_set_flag_slot, |
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56 NGX_HTTP_SRV_CONF_OFFSET, |
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57 offsetof(ngx_http_v3_srv_conf_t, quic.retry), |
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58 NULL }, |
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59 |
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60 { ngx_string("quic_gso"), |
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61 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG, |
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62 ngx_conf_set_flag_slot, |
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63 NGX_HTTP_SRV_CONF_OFFSET, |
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64 offsetof(ngx_http_v3_srv_conf_t, quic.gso_enabled), |
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65 NULL }, |
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66 |
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67 { ngx_string("quic_host_key"), |
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68 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, |
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69 ngx_http_quic_host_key, |
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70 NGX_HTTP_SRV_CONF_OFFSET, |
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71 0, |
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72 NULL }, |
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73 |
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74 { ngx_string("quic_active_connection_id_limit"), |
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75 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, |
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76 ngx_conf_set_num_slot, |
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77 NGX_HTTP_SRV_CONF_OFFSET, |
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78 offsetof(ngx_http_v3_srv_conf_t, quic.active_connection_id_limit), |
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79 NULL }, |
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80 |
8215 | 81 ngx_null_command |
82 }; | |
83 | |
84 | |
85 static ngx_http_module_t ngx_http_v3_module_ctx = { | |
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86 ngx_http_v3_add_variables, /* preconfiguration */ |
8215 | 87 NULL, /* postconfiguration */ |
88 | |
89 NULL, /* create main configuration */ | |
90 NULL, /* init main configuration */ | |
91 | |
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92 ngx_http_v3_create_srv_conf, /* create server configuration */ |
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93 ngx_http_v3_merge_srv_conf, /* merge server configuration */ |
8215 | 94 |
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95 NULL, /* create location configuration */ |
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96 NULL /* merge location configuration */ |
8215 | 97 }; |
98 | |
99 | |
100 ngx_module_t ngx_http_v3_module = { | |
101 NGX_MODULE_V1, | |
102 &ngx_http_v3_module_ctx, /* module context */ | |
103 ngx_http_v3_commands, /* module directives */ | |
104 NGX_HTTP_MODULE, /* module type */ | |
105 NULL, /* init master */ | |
106 NULL, /* init module */ | |
107 NULL, /* init process */ | |
108 NULL, /* init thread */ | |
109 NULL, /* exit thread */ | |
110 NULL, /* exit process */ | |
111 NULL, /* exit master */ | |
112 NGX_MODULE_V1_PADDING | |
113 }; | |
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114 |
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115 |
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116 static ngx_http_variable_t ngx_http_v3_vars[] = { |
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117 |
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118 { ngx_string("http3"), NULL, ngx_http_v3_variable, 0, 0, 0 }, |
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119 |
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120 ngx_http_null_variable |
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121 }; |
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122 |
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123 static ngx_str_t ngx_http_quic_salt = ngx_string("ngx_quic"); |
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124 |
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125 |
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126 static ngx_int_t |
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127 ngx_http_v3_variable(ngx_http_request_t *r, |
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128 ngx_http_variable_value_t *v, uintptr_t data) |
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129 { |
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130 ngx_http_v3_session_t *h3c; |
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131 |
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132 if (r->connection->quic) { |
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133 h3c = ngx_http_v3_get_session(r->connection); |
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134 |
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135 if (h3c->hq) { |
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136 v->len = sizeof("hq") - 1; |
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137 v->valid = 1; |
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138 v->no_cacheable = 0; |
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139 v->not_found = 0; |
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140 v->data = (u_char *) "hq"; |
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141 |
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142 return NGX_OK; |
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143 } |
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144 |
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145 v->len = sizeof("h3") - 1; |
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146 v->valid = 1; |
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147 v->no_cacheable = 0; |
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148 v->not_found = 0; |
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149 v->data = (u_char *) "h3"; |
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150 |
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151 return NGX_OK; |
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152 } |
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153 |
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154 *v = ngx_http_variable_null_value; |
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155 |
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156 return NGX_OK; |
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157 } |
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158 |
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159 |
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160 static ngx_int_t |
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161 ngx_http_v3_add_variables(ngx_conf_t *cf) |
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162 { |
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163 ngx_http_variable_t *var, *v; |
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164 |
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165 for (v = ngx_http_v3_vars; v->name.len; v++) { |
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166 var = ngx_http_add_variable(cf, &v->name, v->flags); |
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167 if (var == NULL) { |
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168 return NGX_ERROR; |
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169 } |
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170 |
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171 var->get_handler = v->get_handler; |
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172 var->data = v->data; |
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173 } |
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174 |
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175 return NGX_OK; |
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176 } |
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177 |
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178 |
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179 static void * |
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180 ngx_http_v3_create_srv_conf(ngx_conf_t *cf) |
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181 { |
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182 ngx_http_v3_srv_conf_t *h3scf; |
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183 |
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184 h3scf = ngx_pcalloc(cf->pool, sizeof(ngx_http_v3_srv_conf_t)); |
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185 if (h3scf == NULL) { |
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186 return NULL; |
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187 } |
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188 |
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189 /* |
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190 * set by ngx_pcalloc(): |
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191 * |
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192 * h3scf->quic.host_key = { 0, NULL } |
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193 * h3scf->quic.stream_reject_code_uni = 0; |
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194 * h3scf->quic.disable_active_migration = 0; |
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195 * h3scf->quic.idle_timeout = 0; |
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196 * h3scf->max_blocked_streams = 0; |
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197 */ |
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198 |
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199 h3scf->enable = NGX_CONF_UNSET; |
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200 h3scf->enable_hq = NGX_CONF_UNSET; |
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201 h3scf->max_table_capacity = NGX_HTTP_V3_MAX_TABLE_CAPACITY; |
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202 h3scf->max_concurrent_streams = NGX_CONF_UNSET_UINT; |
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203 |
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204 h3scf->quic.stream_buffer_size = NGX_CONF_UNSET_SIZE; |
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205 h3scf->quic.max_concurrent_streams_bidi = NGX_CONF_UNSET_UINT; |
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206 h3scf->quic.max_concurrent_streams_uni = NGX_HTTP_V3_MAX_UNI_STREAMS; |
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207 h3scf->quic.retry = NGX_CONF_UNSET; |
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208 h3scf->quic.gso_enabled = NGX_CONF_UNSET; |
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209 h3scf->quic.stream_close_code = NGX_HTTP_V3_ERR_NO_ERROR; |
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210 h3scf->quic.stream_reject_code_bidi = NGX_HTTP_V3_ERR_REQUEST_REJECTED; |
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211 h3scf->quic.active_connection_id_limit = NGX_CONF_UNSET_UINT; |
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212 |
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213 h3scf->quic.init = ngx_http_v3_init; |
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214 h3scf->quic.shutdown = ngx_http_v3_shutdown; |
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215 |
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216 return h3scf; |
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217 } |
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218 |
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219 |
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220 static char * |
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221 ngx_http_v3_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child) |
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222 { |
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223 ngx_http_v3_srv_conf_t *prev = parent; |
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224 ngx_http_v3_srv_conf_t *conf = child; |
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225 |
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226 ngx_http_ssl_srv_conf_t *sscf; |
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227 ngx_http_core_srv_conf_t *cscf; |
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228 |
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229 ngx_conf_merge_value(conf->enable, prev->enable, 1); |
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230 |
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231 ngx_conf_merge_value(conf->enable_hq, prev->enable_hq, 0); |
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232 |
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233 ngx_conf_merge_uint_value(conf->max_concurrent_streams, |
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234 prev->max_concurrent_streams, 128); |
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235 |
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236 conf->max_blocked_streams = conf->max_concurrent_streams; |
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237 |
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238 ngx_conf_merge_size_value(conf->quic.stream_buffer_size, |
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239 prev->quic.stream_buffer_size, |
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240 65536); |
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241 |
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242 conf->quic.max_concurrent_streams_bidi = conf->max_concurrent_streams; |
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243 |
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244 ngx_conf_merge_value(conf->quic.retry, prev->quic.retry, 0); |
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245 ngx_conf_merge_value(conf->quic.gso_enabled, prev->quic.gso_enabled, 0); |
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246 |
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247 ngx_conf_merge_str_value(conf->quic.host_key, prev->quic.host_key, ""); |
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248 |
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249 ngx_conf_merge_uint_value(conf->quic.active_connection_id_limit, |
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250 prev->quic.active_connection_id_limit, |
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251 2); |
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252 |
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253 if (conf->quic.host_key.len == 0) { |
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254 |
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255 conf->quic.host_key.len = NGX_QUIC_DEFAULT_HOST_KEY_LEN; |
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256 conf->quic.host_key.data = ngx_palloc(cf->pool, |
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257 conf->quic.host_key.len); |
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258 if (conf->quic.host_key.data == NULL) { |
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259 return NGX_CONF_ERROR; |
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260 } |
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261 |
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262 if (RAND_bytes(conf->quic.host_key.data, NGX_QUIC_DEFAULT_HOST_KEY_LEN) |
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263 <= 0) |
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264 { |
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265 return NGX_CONF_ERROR; |
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266 } |
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267 } |
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268 |
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269 if (ngx_quic_derive_key(cf->log, "av_token_key", |
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270 &conf->quic.host_key, &ngx_http_quic_salt, |
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271 conf->quic.av_token_key, NGX_QUIC_AV_KEY_LEN) |
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272 != NGX_OK) |
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273 { |
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274 return NGX_CONF_ERROR; |
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275 } |
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276 |
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277 if (ngx_quic_derive_key(cf->log, "sr_token_key", |
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278 &conf->quic.host_key, &ngx_http_quic_salt, |
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279 conf->quic.sr_token_key, NGX_QUIC_SR_KEY_LEN) |
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280 != NGX_OK) |
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281 { |
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282 return NGX_CONF_ERROR; |
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283 } |
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284 |
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285 cscf = ngx_http_conf_get_module_srv_conf(cf, ngx_http_core_module); |
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286 conf->quic.handshake_timeout = cscf->client_header_timeout; |
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287 |
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288 sscf = ngx_http_conf_get_module_srv_conf(cf, ngx_http_ssl_module); |
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289 conf->quic.ssl = &sscf->ssl; |
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290 |
8497 | 291 return NGX_CONF_OK; |
292 } | |
293 | |
294 | |
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295 static char * |
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296 ngx_http_quic_host_key(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
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297 { |
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298 ngx_http_v3_srv_conf_t *h3scf = conf; |
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299 |
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300 u_char *buf; |
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301 size_t size; |
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302 ssize_t n; |
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303 ngx_str_t *value; |
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304 ngx_file_t file; |
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305 ngx_file_info_t fi; |
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306 ngx_quic_conf_t *qcf; |
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307 |
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308 qcf = &h3scf->quic; |
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309 |
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310 if (qcf->host_key.len) { |
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311 return "is duplicate"; |
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312 } |
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313 |
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314 buf = NULL; |
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315 #if (NGX_SUPPRESS_WARN) |
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316 size = 0; |
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317 #endif |
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318 |
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319 value = cf->args->elts; |
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320 |
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321 if (ngx_conf_full_name(cf->cycle, &value[1], 1) != NGX_OK) { |
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322 return NGX_CONF_ERROR; |
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323 } |
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324 |
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325 ngx_memzero(&file, sizeof(ngx_file_t)); |
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326 file.name = value[1]; |
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327 file.log = cf->log; |
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328 |
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329 file.fd = ngx_open_file(file.name.data, NGX_FILE_RDONLY, NGX_FILE_OPEN, 0); |
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330 |
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331 if (file.fd == NGX_INVALID_FILE) { |
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332 ngx_conf_log_error(NGX_LOG_EMERG, cf, ngx_errno, |
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333 ngx_open_file_n " \"%V\" failed", &file.name); |
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334 return NGX_CONF_ERROR; |
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335 } |
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336 |
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337 if (ngx_fd_info(file.fd, &fi) == NGX_FILE_ERROR) { |
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338 ngx_conf_log_error(NGX_LOG_CRIT, cf, ngx_errno, |
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339 ngx_fd_info_n " \"%V\" failed", &file.name); |
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340 goto failed; |
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341 } |
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342 |
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343 size = ngx_file_size(&fi); |
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344 |
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345 if (size == 0) { |
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346 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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347 "\"%V\" zero key size", &file.name); |
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348 goto failed; |
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349 } |
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HTTP/3: merged ngx_http_quic_module into ngx_http_v3_module.
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350 |
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HTTP/3: merged ngx_http_quic_module into ngx_http_v3_module.
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351 buf = ngx_pnalloc(cf->pool, size); |
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352 if (buf == NULL) { |
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353 goto failed; |
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HTTP/3: merged ngx_http_quic_module into ngx_http_v3_module.
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354 } |
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HTTP/3: merged ngx_http_quic_module into ngx_http_v3_module.
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355 |
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HTTP/3: merged ngx_http_quic_module into ngx_http_v3_module.
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356 n = ngx_read_file(&file, buf, size, 0); |
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357 |
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358 if (n == NGX_ERROR) { |
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359 ngx_conf_log_error(NGX_LOG_CRIT, cf, ngx_errno, |
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360 ngx_read_file_n " \"%V\" failed", &file.name); |
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361 goto failed; |
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362 } |
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HTTP/3: merged ngx_http_quic_module into ngx_http_v3_module.
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363 |
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HTTP/3: merged ngx_http_quic_module into ngx_http_v3_module.
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364 if ((size_t) n != size) { |
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HTTP/3: merged ngx_http_quic_module into ngx_http_v3_module.
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365 ngx_conf_log_error(NGX_LOG_CRIT, cf, 0, |
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366 ngx_read_file_n " \"%V\" returned only " |
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367 "%z bytes instead of %uz", &file.name, n, size); |
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368 goto failed; |
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369 } |
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370 |
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371 qcf->host_key.data = buf; |
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372 qcf->host_key.len = n; |
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373 |
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374 if (ngx_close_file(file.fd) == NGX_FILE_ERROR) { |
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375 ngx_log_error(NGX_LOG_ALERT, cf->log, ngx_errno, |
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376 ngx_close_file_n " \"%V\" failed", &file.name); |
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377 } |
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378 |
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HTTP/3: merged ngx_http_quic_module into ngx_http_v3_module.
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379 return NGX_CONF_OK; |
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HTTP/3: merged ngx_http_quic_module into ngx_http_v3_module.
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380 |
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HTTP/3: merged ngx_http_quic_module into ngx_http_v3_module.
Roman Arutyunyan <arut@nginx.com>
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381 failed: |
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HTTP/3: merged ngx_http_quic_module into ngx_http_v3_module.
Roman Arutyunyan <arut@nginx.com>
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382 |
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HTTP/3: merged ngx_http_quic_module into ngx_http_v3_module.
Roman Arutyunyan <arut@nginx.com>
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383 if (ngx_close_file(file.fd) == NGX_FILE_ERROR) { |
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HTTP/3: merged ngx_http_quic_module into ngx_http_v3_module.
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384 ngx_log_error(NGX_LOG_ALERT, cf->log, ngx_errno, |
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Roman Arutyunyan <arut@nginx.com>
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385 ngx_close_file_n " \"%V\" failed", &file.name); |
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HTTP/3: merged ngx_http_quic_module into ngx_http_v3_module.
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parents:
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386 } |
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HTTP/3: merged ngx_http_quic_module into ngx_http_v3_module.
Roman Arutyunyan <arut@nginx.com>
parents:
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387 |
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HTTP/3: merged ngx_http_quic_module into ngx_http_v3_module.
Roman Arutyunyan <arut@nginx.com>
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388 if (buf) { |
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389 ngx_explicit_memzero(buf, size); |
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HTTP/3: merged ngx_http_quic_module into ngx_http_v3_module.
Roman Arutyunyan <arut@nginx.com>
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390 } |
33226ac61076
HTTP/3: merged ngx_http_quic_module into ngx_http_v3_module.
Roman Arutyunyan <arut@nginx.com>
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391 |
33226ac61076
HTTP/3: merged ngx_http_quic_module into ngx_http_v3_module.
Roman Arutyunyan <arut@nginx.com>
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392 return NGX_CONF_ERROR; |
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HTTP/3: merged ngx_http_quic_module into ngx_http_v3_module.
Roman Arutyunyan <arut@nginx.com>
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diff
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393 } |