Mercurial > hg > nginx
annotate src/http/modules/ngx_http_headers_filter_module.c @ 7090:a2f5e25d6a28
Range filter: changed type for total length to off_t.
Total length of a response with multiple ranges can be larger than a size_t
variable can hold, so type changed to off_t. Previously, an incorrect
Content-Length was returned when requesting more than 4G of ranges from
a large enough file on a 32-bit system.
An additional size_t variable introduced to calculate size of the boundary
header buffer, as off_t is not needed here and will require type casts on
win32.
Reported by Shuxin Yang,
http://mailman.nginx.org/pipermail/nginx/2017-July/054384.html.
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Thu, 10 Aug 2017 22:21:23 +0300 |
parents | 8666da1ecf33 |
children | 6ba68ad8b24c |
rev | line source |
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441
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1 |
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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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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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12 |
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13 typedef struct ngx_http_header_val_s ngx_http_header_val_t; |
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14 |
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15 typedef ngx_int_t (*ngx_http_set_header_pt)(ngx_http_request_t *r, |
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16 ngx_http_header_val_t *hv, ngx_str_t *value); |
625 | 17 |
18 | |
19 typedef struct { | |
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20 ngx_str_t name; |
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21 ngx_uint_t offset; |
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22 ngx_http_set_header_pt handler; |
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23 } ngx_http_set_header_t; |
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24 |
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25 |
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26 struct ngx_http_header_val_s { |
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27 ngx_http_complex_value_t value; |
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28 ngx_str_t key; |
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29 ngx_http_set_header_pt handler; |
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30 ngx_uint_t offset; |
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31 ngx_uint_t always; /* unsigned always:1 */ |
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32 }; |
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33 |
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34 |
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35 typedef enum { |
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36 NGX_HTTP_EXPIRES_OFF, |
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37 NGX_HTTP_EXPIRES_EPOCH, |
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38 NGX_HTTP_EXPIRES_MAX, |
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39 NGX_HTTP_EXPIRES_ACCESS, |
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40 NGX_HTTP_EXPIRES_MODIFIED, |
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41 NGX_HTTP_EXPIRES_DAILY, |
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42 NGX_HTTP_EXPIRES_UNSET |
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43 } ngx_http_expires_t; |
2013 | 44 |
45 | |
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46 typedef struct { |
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47 ngx_http_expires_t expires; |
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48 time_t expires_time; |
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49 ngx_http_complex_value_t *expires_value; |
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50 ngx_array_t *headers; |
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51 ngx_array_t *trailers; |
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52 } ngx_http_headers_conf_t; |
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53 |
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54 |
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55 static ngx_int_t ngx_http_set_expires(ngx_http_request_t *r, |
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56 ngx_http_headers_conf_t *conf); |
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57 static ngx_int_t ngx_http_parse_expires(ngx_str_t *value, |
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58 ngx_http_expires_t *expires, time_t *expires_time, char **err); |
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59 static ngx_int_t ngx_http_add_cache_control(ngx_http_request_t *r, |
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60 ngx_http_header_val_t *hv, ngx_str_t *value); |
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61 static ngx_int_t ngx_http_add_header(ngx_http_request_t *r, |
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62 ngx_http_header_val_t *hv, ngx_str_t *value); |
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63 static ngx_int_t ngx_http_set_last_modified(ngx_http_request_t *r, |
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64 ngx_http_header_val_t *hv, ngx_str_t *value); |
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65 static ngx_int_t ngx_http_set_response_header(ngx_http_request_t *r, |
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66 ngx_http_header_val_t *hv, ngx_str_t *value); |
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67 |
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68 static void *ngx_http_headers_create_conf(ngx_conf_t *cf); |
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69 static char *ngx_http_headers_merge_conf(ngx_conf_t *cf, |
573 | 70 void *parent, void *child); |
681 | 71 static ngx_int_t ngx_http_headers_filter_init(ngx_conf_t *cf); |
501 | 72 static char *ngx_http_headers_expires(ngx_conf_t *cf, ngx_command_t *cmd, |
73 void *conf); | |
573 | 74 static char *ngx_http_headers_add(ngx_conf_t *cf, ngx_command_t *cmd, |
75 void *conf); | |
326
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76 |
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77 |
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78 static ngx_http_set_header_t ngx_http_set_headers[] = { |
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79 |
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80 { ngx_string("Cache-Control"), 0, ngx_http_add_cache_control }, |
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81 |
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82 { ngx_string("Last-Modified"), |
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83 offsetof(ngx_http_headers_out_t, last_modified), |
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84 ngx_http_set_last_modified }, |
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85 |
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86 { ngx_string("ETag"), |
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87 offsetof(ngx_http_headers_out_t, etag), |
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88 ngx_http_set_response_header }, |
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89 |
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90 { ngx_null_string, 0, NULL } |
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91 }; |
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92 |
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93 |
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94 static ngx_command_t ngx_http_headers_filter_commands[] = { |
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95 |
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96 { ngx_string("expires"), |
573 | 97 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF |
2013 | 98 |NGX_CONF_TAKE12, |
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99 ngx_http_headers_expires, |
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100 NGX_HTTP_LOC_CONF_OFFSET, |
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101 0, |
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102 NULL }, |
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103 |
573 | 104 { ngx_string("add_header"), |
105 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF | |
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106 |NGX_CONF_TAKE23, |
573 | 107 ngx_http_headers_add, |
108 NGX_HTTP_LOC_CONF_OFFSET, | |
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109 offsetof(ngx_http_headers_conf_t, headers), |
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110 NULL }, |
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111 |
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112 { ngx_string("add_trailer"), |
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113 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF |
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114 |NGX_CONF_TAKE23, |
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115 ngx_http_headers_add, |
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116 NGX_HTTP_LOC_CONF_OFFSET, |
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117 offsetof(ngx_http_headers_conf_t, trailers), |
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118 NULL }, |
573 | 119 |
326
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120 ngx_null_command |
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121 }; |
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122 |
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123 |
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124 static ngx_http_module_t ngx_http_headers_filter_module_ctx = { |
509 | 125 NULL, /* preconfiguration */ |
681 | 126 ngx_http_headers_filter_init, /* postconfiguration */ |
326
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127 |
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128 NULL, /* create main configuration */ |
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129 NULL, /* init main configuration */ |
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130 |
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131 NULL, /* create server configuration */ |
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132 NULL, /* merge server configuration */ |
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133 |
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134 ngx_http_headers_create_conf, /* create location configuration */ |
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135 ngx_http_headers_merge_conf /* merge location configuration */ |
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136 }; |
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137 |
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138 |
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139 ngx_module_t ngx_http_headers_filter_module = { |
509 | 140 NGX_MODULE_V1, |
326
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141 &ngx_http_headers_filter_module_ctx, /* module context */ |
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142 ngx_http_headers_filter_commands, /* module directives */ |
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143 NGX_HTTP_MODULE, /* module type */ |
541 | 144 NULL, /* init master */ |
681 | 145 NULL, /* init module */ |
541 | 146 NULL, /* init process */ |
147 NULL, /* init thread */ | |
148 NULL, /* exit thread */ | |
149 NULL, /* exit process */ | |
150 NULL, /* exit master */ | |
151 NGX_MODULE_V1_PADDING | |
326
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152 }; |
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153 |
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154 |
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155 static ngx_http_output_header_filter_pt ngx_http_next_header_filter; |
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156 static ngx_http_output_body_filter_pt ngx_http_next_body_filter; |
326
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157 |
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158 |
501 | 159 static ngx_int_t |
160 ngx_http_headers_filter(ngx_http_request_t *r) | |
326
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161 { |
1364 | 162 ngx_str_t value; |
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163 ngx_uint_t i, safe_status; |
625 | 164 ngx_http_header_val_t *h; |
326
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165 ngx_http_headers_conf_t *conf; |
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166 |
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167 if (r != r->main) { |
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168 return ngx_http_next_header_filter(r); |
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169 } |
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170 |
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171 conf = ngx_http_get_module_loc_conf(r, ngx_http_headers_filter_module); |
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172 |
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173 if (conf->expires == NGX_HTTP_EXPIRES_OFF |
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174 && conf->headers == NULL |
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175 && conf->trailers == NULL) |
543 | 176 { |
326
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177 return ngx_http_next_header_filter(r); |
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178 } |
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179 |
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180 switch (r->headers_out.status) { |
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181 |
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182 case NGX_HTTP_OK: |
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183 case NGX_HTTP_CREATED: |
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184 case NGX_HTTP_NO_CONTENT: |
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185 case NGX_HTTP_PARTIAL_CONTENT: |
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186 case NGX_HTTP_MOVED_PERMANENTLY: |
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187 case NGX_HTTP_MOVED_TEMPORARILY: |
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188 case NGX_HTTP_SEE_OTHER: |
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189 case NGX_HTTP_NOT_MODIFIED: |
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190 case NGX_HTTP_TEMPORARY_REDIRECT: |
6977
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Added support for the "308 Permanent Redirect" (ticket #877).
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191 case NGX_HTTP_PERMANENT_REDIRECT: |
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192 safe_status = 1; |
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193 break; |
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194 |
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195 default: |
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196 safe_status = 0; |
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197 break; |
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198 } |
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199 |
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200 if (conf->expires != NGX_HTTP_EXPIRES_OFF && safe_status) { |
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201 if (ngx_http_set_expires(r, conf) != NGX_OK) { |
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202 return NGX_ERROR; |
326
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203 } |
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204 } |
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205 |
573 | 206 if (conf->headers) { |
207 h = conf->headers->elts; | |
208 for (i = 0; i < conf->headers->nelts; i++) { | |
625 | 209 |
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210 if (!safe_status && !h[i].always) { |
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211 continue; |
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212 } |
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213 |
2588
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214 if (ngx_http_complex_value(r, &h[i].value, &value) != NGX_OK) { |
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215 return NGX_ERROR; |
625 | 216 } |
217 | |
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218 if (h[i].handler(r, &h[i], &value) != NGX_OK) { |
625 | 219 return NGX_ERROR; |
220 } | |
573 | 221 } |
222 } | |
223 | |
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224 if (conf->trailers) { |
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225 h = conf->trailers->elts; |
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226 for (i = 0; i < conf->trailers->nelts; i++) { |
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227 |
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228 if (!safe_status && !h[i].always) { |
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229 continue; |
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230 } |
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231 |
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232 r->expect_trailers = 1; |
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233 break; |
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234 } |
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235 } |
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236 |
326
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237 return ngx_http_next_header_filter(r); |
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238 } |
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239 |
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240 |
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|
241 static ngx_int_t |
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242 ngx_http_trailers_filter(ngx_http_request_t *r, ngx_chain_t *in) |
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243 { |
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244 ngx_str_t value; |
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245 ngx_uint_t i, safe_status; |
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246 ngx_chain_t *cl; |
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247 ngx_table_elt_t *t; |
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248 ngx_http_header_val_t *h; |
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249 ngx_http_headers_conf_t *conf; |
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250 |
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251 conf = ngx_http_get_module_loc_conf(r, ngx_http_headers_filter_module); |
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252 |
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253 if (in == NULL |
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254 || conf->trailers == NULL |
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255 || !r->expect_trailers |
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256 || r->header_only) |
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257 { |
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258 return ngx_http_next_body_filter(r, in); |
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259 } |
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260 |
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261 for (cl = in; cl; cl = cl->next) { |
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262 if (cl->buf->last_buf) { |
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263 break; |
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264 } |
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265 } |
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266 |
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|
267 if (cl == NULL) { |
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268 return ngx_http_next_body_filter(r, in); |
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269 } |
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270 |
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271 switch (r->headers_out.status) { |
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272 |
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273 case NGX_HTTP_OK: |
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274 case NGX_HTTP_CREATED: |
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275 case NGX_HTTP_NO_CONTENT: |
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276 case NGX_HTTP_PARTIAL_CONTENT: |
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277 case NGX_HTTP_MOVED_PERMANENTLY: |
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278 case NGX_HTTP_MOVED_TEMPORARILY: |
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279 case NGX_HTTP_SEE_OTHER: |
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280 case NGX_HTTP_NOT_MODIFIED: |
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|
281 case NGX_HTTP_TEMPORARY_REDIRECT: |
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282 case NGX_HTTP_PERMANENT_REDIRECT: |
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|
283 safe_status = 1; |
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|
284 break; |
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|
285 |
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changeset
|
286 default: |
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|
287 safe_status = 0; |
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|
288 break; |
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|
289 } |
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|
290 |
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|
291 h = conf->trailers->elts; |
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|
292 for (i = 0; i < conf->trailers->nelts; i++) { |
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|
293 |
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|
294 if (!safe_status && !h[i].always) { |
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|
295 continue; |
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|
296 } |
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|
297 |
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|
298 if (ngx_http_complex_value(r, &h[i].value, &value) != NGX_OK) { |
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|
299 return NGX_ERROR; |
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|
300 } |
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|
301 |
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|
302 if (value.len) { |
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|
303 t = ngx_list_push(&r->headers_out.trailers); |
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|
304 if (t == NULL) { |
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|
305 return NGX_ERROR; |
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|
306 } |
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|
307 |
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|
308 t->key = h[i].key; |
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|
309 t->value = value; |
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|
310 t->hash = 1; |
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|
311 } |
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|
312 } |
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|
313 |
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changeset
|
314 return ngx_http_next_body_filter(r, in); |
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Headers filter: added "add_trailer" directive.
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changeset
|
315 } |
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changeset
|
316 |
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changeset
|
317 |
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changeset
|
318 static ngx_int_t |
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|
319 ngx_http_set_expires(ngx_http_request_t *r, ngx_http_headers_conf_t *conf) |
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|
320 { |
5942
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diff
changeset
|
321 char *err; |
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|
322 size_t len; |
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Headers filter: local variables for config, no functional changes.
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diff
changeset
|
323 time_t now, expires_time, max_age; |
5942
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diff
changeset
|
324 ngx_str_t value; |
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|
325 ngx_int_t rc; |
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|
326 ngx_uint_t i; |
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|
327 ngx_table_elt_t *e, *cc, **ccp; |
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|
328 ngx_http_expires_t expires; |
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|
329 |
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|
330 expires = conf->expires; |
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changeset
|
331 expires_time = conf->expires_time; |
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changeset
|
332 |
5942
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diff
changeset
|
333 if (conf->expires_value != NULL) { |
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Headers filter: variables support in expires (ticket #113).
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|
334 |
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changeset
|
335 if (ngx_http_complex_value(r, conf->expires_value, &value) != NGX_OK) { |
4983f7d18fe3
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|
336 return NGX_ERROR; |
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|
337 } |
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|
338 |
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|
339 rc = ngx_http_parse_expires(&value, &expires, &expires_time, &err); |
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340 |
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changeset
|
341 if (rc != NGX_OK) { |
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|
342 return NGX_OK; |
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|
343 } |
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|
344 |
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|
345 if (expires == NGX_HTTP_EXPIRES_OFF) { |
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|
346 return NGX_OK; |
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|
347 } |
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|
348 } |
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|
349 |
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|
350 e = r->headers_out.expires; |
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|
351 |
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|
352 if (e == NULL) { |
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|
353 |
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diff
changeset
|
354 e = ngx_list_push(&r->headers_out.headers); |
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changeset
|
355 if (e == NULL) { |
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diff
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|
356 return NGX_ERROR; |
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diff
changeset
|
357 } |
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diff
changeset
|
358 |
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diff
changeset
|
359 r->headers_out.expires = e; |
1366
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diff
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|
360 |
5941
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diff
changeset
|
361 e->hash = 1; |
36e61455a8f4
Headers filter: local variables for config, no functional changes.
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diff
changeset
|
362 ngx_str_set(&e->key, "Expires"); |
1366
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diff
changeset
|
363 } |
279210f24408
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parents:
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diff
changeset
|
364 |
279210f24408
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parents:
1365
diff
changeset
|
365 len = sizeof("Mon, 28 Sep 1970 06:00:00 GMT"); |
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366 e->value.len = len - 1; |
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367 |
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368 ccp = r->headers_out.cache_control.elts; |
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369 |
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370 if (ccp == NULL) { |
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371 |
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372 if (ngx_array_init(&r->headers_out.cache_control, r->pool, |
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373 1, sizeof(ngx_table_elt_t *)) |
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374 != NGX_OK) |
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375 { |
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376 return NGX_ERROR; |
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377 } |
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378 |
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379 cc = ngx_list_push(&r->headers_out.headers); |
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380 if (cc == NULL) { |
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381 return NGX_ERROR; |
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382 } |
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383 |
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384 cc->hash = 1; |
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385 ngx_str_set(&cc->key, "Cache-Control"); |
6986
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Cleaned up r->headers_out.headers allocation error handling.
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386 |
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Cleaned up r->headers_out.headers allocation error handling.
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387 ccp = ngx_array_push(&r->headers_out.cache_control); |
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Cleaned up r->headers_out.headers allocation error handling.
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388 if (ccp == NULL) { |
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Cleaned up r->headers_out.headers allocation error handling.
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389 return NGX_ERROR; |
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390 } |
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Cleaned up r->headers_out.headers allocation error handling.
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391 |
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392 *ccp = cc; |
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393 |
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394 } else { |
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395 for (i = 1; i < r->headers_out.cache_control.nelts; i++) { |
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396 ccp[i]->hash = 0; |
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397 } |
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398 |
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399 cc = ccp[0]; |
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400 } |
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401 |
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402 if (expires == NGX_HTTP_EXPIRES_EPOCH) { |
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403 e->value.data = (u_char *) "Thu, 01 Jan 1970 00:00:01 GMT"; |
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ngx_str_set() and ngx_str_null()
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|
404 ngx_str_set(&cc->value, "no-cache"); |
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405 return NGX_OK; |
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406 } |
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|
407 |
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408 if (expires == NGX_HTTP_EXPIRES_MAX) { |
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409 e->value.data = (u_char *) "Thu, 31 Dec 2037 23:55:55 GMT"; |
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410 /* 10 years */ |
3516
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411 ngx_str_set(&cc->value, "max-age=315360000"); |
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412 return NGX_OK; |
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413 } |
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|
414 |
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415 e->value.data = ngx_pnalloc(r->pool, len); |
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416 if (e->value.data == NULL) { |
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417 return NGX_ERROR; |
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418 } |
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419 |
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|
420 if (expires_time == 0 && expires != NGX_HTTP_EXPIRES_DAILY) { |
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421 ngx_memcpy(e->value.data, ngx_cached_http_time.data, |
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|
422 ngx_cached_http_time.len + 1); |
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|
423 ngx_str_set(&cc->value, "max-age=0"); |
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424 return NGX_OK; |
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|
425 } |
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|
426 |
2163 | 427 now = ngx_time(); |
428 | |
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|
429 if (expires == NGX_HTTP_EXPIRES_DAILY) { |
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|
430 expires_time = ngx_next_time(expires_time); |
4217
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Fixed "expires @time" with unknown last modified time (ticket #32).
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|
431 max_age = expires_time - now; |
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|
432 |
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|
433 } else if (expires == NGX_HTTP_EXPIRES_ACCESS |
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|
434 || r->headers_out.last_modified_time == -1) |
2013 | 435 { |
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|
436 max_age = expires_time; |
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|
437 expires_time += now; |
2163 | 438 |
2013 | 439 } else { |
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|
440 expires_time += r->headers_out.last_modified_time; |
2163 | 441 max_age = expires_time - now; |
2013 | 442 } |
443 | |
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|
444 ngx_http_time(e->value.data, expires_time); |
2013 | 445 |
3405
6cc74c87c656
fix negative time in "Cache-Control" if "expires modified" sets time in the past
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
446 if (conf->expires_time < 0 || max_age < 0) { |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
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diff
changeset
|
447 ngx_str_set(&cc->value, "no-cache"); |
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|
448 return NGX_OK; |
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|
449 } |
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|
450 |
2049 | 451 cc->value.data = ngx_pnalloc(r->pool, |
452 sizeof("max-age=") + NGX_TIME_T_LEN + 1); | |
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|
453 if (cc->value.data == NULL) { |
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|
454 return NGX_ERROR; |
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|
455 } |
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diff
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|
456 |
2163 | 457 cc->value.len = ngx_sprintf(cc->value.data, "max-age=%T", max_age) |
1366
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|
458 - cc->value.data; |
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|
459 |
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changeset
|
460 return NGX_OK; |
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|
461 } |
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changeset
|
462 |
279210f24408
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changeset
|
463 |
279210f24408
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changeset
|
464 static ngx_int_t |
5942
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Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
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diff
changeset
|
465 ngx_http_parse_expires(ngx_str_t *value, ngx_http_expires_t *expires, |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
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changeset
|
466 time_t *expires_time, char **err) |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
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|
467 { |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
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diff
changeset
|
468 ngx_uint_t minus; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
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diff
changeset
|
469 |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
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diff
changeset
|
470 if (*expires != NGX_HTTP_EXPIRES_MODIFIED) { |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
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diff
changeset
|
471 |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
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diff
changeset
|
472 if (value->len == 5 && ngx_strncmp(value->data, "epoch", 5) == 0) { |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
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diff
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|
473 *expires = NGX_HTTP_EXPIRES_EPOCH; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
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|
474 return NGX_OK; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
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diff
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|
475 } |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
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diff
changeset
|
476 |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
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5941
diff
changeset
|
477 if (value->len == 3 && ngx_strncmp(value->data, "max", 3) == 0) { |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
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|
478 *expires = NGX_HTTP_EXPIRES_MAX; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
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diff
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|
479 return NGX_OK; |
4983f7d18fe3
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Maxim Dounin <mdounin@mdounin.ru>
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diff
changeset
|
480 } |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
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diff
changeset
|
481 |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
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diff
changeset
|
482 if (value->len == 3 && ngx_strncmp(value->data, "off", 3) == 0) { |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
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diff
changeset
|
483 *expires = NGX_HTTP_EXPIRES_OFF; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
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|
484 return NGX_OK; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
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diff
changeset
|
485 } |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
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diff
changeset
|
486 } |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
487 |
6062
173561dfd567
Fixed invalid access to complex value defined as an empty string.
Sergey Kandaurov <pluknet@nginx.com>
parents:
5942
diff
changeset
|
488 if (value->len && value->data[0] == '@') { |
5942
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
489 value->data++; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
490 value->len--; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
491 minus = 0; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
492 |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
493 if (*expires == NGX_HTTP_EXPIRES_MODIFIED) { |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
494 *err = "daily time cannot be used with \"modified\" parameter"; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
495 return NGX_ERROR; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
496 } |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
497 |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
498 *expires = NGX_HTTP_EXPIRES_DAILY; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
499 |
6062
173561dfd567
Fixed invalid access to complex value defined as an empty string.
Sergey Kandaurov <pluknet@nginx.com>
parents:
5942
diff
changeset
|
500 } else if (value->len && value->data[0] == '+') { |
5942
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
501 value->data++; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
502 value->len--; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
503 minus = 0; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
504 |
6062
173561dfd567
Fixed invalid access to complex value defined as an empty string.
Sergey Kandaurov <pluknet@nginx.com>
parents:
5942
diff
changeset
|
505 } else if (value->len && value->data[0] == '-') { |
5942
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
506 value->data++; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
507 value->len--; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
508 minus = 1; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
509 |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
510 } else { |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
511 minus = 0; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
512 } |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
513 |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
514 *expires_time = ngx_parse_time(value, 1); |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
515 |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
516 if (*expires_time == (time_t) NGX_ERROR) { |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
517 *err = "invalid value"; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
518 return NGX_ERROR; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
519 } |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
520 |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
521 if (*expires == NGX_HTTP_EXPIRES_DAILY |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
522 && *expires_time > 24 * 60 * 60) |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
523 { |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
524 *err = "daily time value must be less than 24 hours"; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
525 return NGX_ERROR; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
526 } |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
527 |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
528 if (minus) { |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
529 *expires_time = - *expires_time; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
530 } |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
531 |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
532 return NGX_OK; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
533 } |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
534 |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
535 |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
536 static ngx_int_t |
1363
b0e114fb3bdc
use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
537 ngx_http_add_header(ngx_http_request_t *r, ngx_http_header_val_t *hv, |
b0e114fb3bdc
use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
538 ngx_str_t *value) |
b0e114fb3bdc
use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
539 { |
b0e114fb3bdc
use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
540 ngx_table_elt_t *h; |
b0e114fb3bdc
use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
541 |
2406
008777fa59e0
do not add header if add_header ""
Igor Sysoev <igor@sysoev.ru>
parents:
2164
diff
changeset
|
542 if (value->len) { |
008777fa59e0
do not add header if add_header ""
Igor Sysoev <igor@sysoev.ru>
parents:
2164
diff
changeset
|
543 h = ngx_list_push(&r->headers_out.headers); |
008777fa59e0
do not add header if add_header ""
Igor Sysoev <igor@sysoev.ru>
parents:
2164
diff
changeset
|
544 if (h == NULL) { |
008777fa59e0
do not add header if add_header ""
Igor Sysoev <igor@sysoev.ru>
parents:
2164
diff
changeset
|
545 return NGX_ERROR; |
008777fa59e0
do not add header if add_header ""
Igor Sysoev <igor@sysoev.ru>
parents:
2164
diff
changeset
|
546 } |
008777fa59e0
do not add header if add_header ""
Igor Sysoev <igor@sysoev.ru>
parents:
2164
diff
changeset
|
547 |
4547
2577c27cbffd
Minor ngx_http_headers_filter_module.c code cleanup.
Ruslan Ermilov <ru@nginx.com>
parents:
4491
diff
changeset
|
548 h->hash = 1; |
2588
a6954ce88b80
use complex values in add_header, auth_basic_user_file,
Igor Sysoev <igor@sysoev.ru>
parents:
2406
diff
changeset
|
549 h->key = hv->key; |
2406
008777fa59e0
do not add header if add_header ""
Igor Sysoev <igor@sysoev.ru>
parents:
2164
diff
changeset
|
550 h->value = *value; |
1363
b0e114fb3bdc
use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
551 } |
b0e114fb3bdc
use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
552 |
b0e114fb3bdc
use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
553 return NGX_OK; |
b0e114fb3bdc
use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
554 } |
b0e114fb3bdc
use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
555 |
b0e114fb3bdc
use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
556 |
b0e114fb3bdc
use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
557 static ngx_int_t |
1365
d1dc7ef7c3ce
move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents:
1364
diff
changeset
|
558 ngx_http_add_cache_control(ngx_http_request_t *r, ngx_http_header_val_t *hv, |
d1dc7ef7c3ce
move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents:
1364
diff
changeset
|
559 ngx_str_t *value) |
d1dc7ef7c3ce
move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents:
1364
diff
changeset
|
560 { |
d1dc7ef7c3ce
move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents:
1364
diff
changeset
|
561 ngx_table_elt_t *cc, **ccp; |
d1dc7ef7c3ce
move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents:
1364
diff
changeset
|
562 |
5427
7ed23dcfea3d
Headers filter: empty Cache-Control is no longer added.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4975
diff
changeset
|
563 if (value->len == 0) { |
7ed23dcfea3d
Headers filter: empty Cache-Control is no longer added.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4975
diff
changeset
|
564 return NGX_OK; |
7ed23dcfea3d
Headers filter: empty Cache-Control is no longer added.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4975
diff
changeset
|
565 } |
7ed23dcfea3d
Headers filter: empty Cache-Control is no longer added.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4975
diff
changeset
|
566 |
1365
d1dc7ef7c3ce
move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents:
1364
diff
changeset
|
567 ccp = r->headers_out.cache_control.elts; |
d1dc7ef7c3ce
move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents:
1364
diff
changeset
|
568 |
d1dc7ef7c3ce
move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents:
1364
diff
changeset
|
569 if (ccp == NULL) { |
d1dc7ef7c3ce
move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents:
1364
diff
changeset
|
570 |
d1dc7ef7c3ce
move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents:
1364
diff
changeset
|
571 if (ngx_array_init(&r->headers_out.cache_control, r->pool, |
d1dc7ef7c3ce
move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents:
1364
diff
changeset
|
572 1, sizeof(ngx_table_elt_t *)) |
d1dc7ef7c3ce
move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents:
1364
diff
changeset
|
573 != NGX_OK) |
d1dc7ef7c3ce
move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents:
1364
diff
changeset
|
574 { |
d1dc7ef7c3ce
move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents:
1364
diff
changeset
|
575 return NGX_ERROR; |
d1dc7ef7c3ce
move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents:
1364
diff
changeset
|
576 } |
d1dc7ef7c3ce
move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents:
1364
diff
changeset
|
577 } |
d1dc7ef7c3ce
move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents:
1364
diff
changeset
|
578 |
d1dc7ef7c3ce
move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents:
1364
diff
changeset
|
579 cc = ngx_list_push(&r->headers_out.headers); |
d1dc7ef7c3ce
move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents:
1364
diff
changeset
|
580 if (cc == NULL) { |
d1dc7ef7c3ce
move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents:
1364
diff
changeset
|
581 return NGX_ERROR; |
d1dc7ef7c3ce
move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents:
1364
diff
changeset
|
582 } |
d1dc7ef7c3ce
move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents:
1364
diff
changeset
|
583 |
d1dc7ef7c3ce
move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents:
1364
diff
changeset
|
584 cc->hash = 1; |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents:
3405
diff
changeset
|
585 ngx_str_set(&cc->key, "Cache-Control"); |
1365
d1dc7ef7c3ce
move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents:
1364
diff
changeset
|
586 cc->value = *value; |
d1dc7ef7c3ce
move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents:
1364
diff
changeset
|
587 |
6986
0cdee26605f3
Cleaned up r->headers_out.headers allocation error handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
6977
diff
changeset
|
588 ccp = ngx_array_push(&r->headers_out.cache_control); |
0cdee26605f3
Cleaned up r->headers_out.headers allocation error handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
6977
diff
changeset
|
589 if (ccp == NULL) { |
0cdee26605f3
Cleaned up r->headers_out.headers allocation error handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
6977
diff
changeset
|
590 return NGX_ERROR; |
0cdee26605f3
Cleaned up r->headers_out.headers allocation error handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
6977
diff
changeset
|
591 } |
0cdee26605f3
Cleaned up r->headers_out.headers allocation error handling.
Sergey Kandaurov <pluknet@nginx.com>
parents:
6977
diff
changeset
|
592 |
1365
d1dc7ef7c3ce
move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents:
1364
diff
changeset
|
593 *ccp = cc; |
d1dc7ef7c3ce
move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents:
1364
diff
changeset
|
594 |
d1dc7ef7c3ce
move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents:
1364
diff
changeset
|
595 return NGX_OK; |
d1dc7ef7c3ce
move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents:
1364
diff
changeset
|
596 } |
d1dc7ef7c3ce
move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents:
1364
diff
changeset
|
597 |
d1dc7ef7c3ce
move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents:
1364
diff
changeset
|
598 |
d1dc7ef7c3ce
move "Cache-Control" header code to specific handler
Igor Sysoev <igor@sysoev.ru>
parents:
1364
diff
changeset
|
599 static ngx_int_t |
1363
b0e114fb3bdc
use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
600 ngx_http_set_last_modified(ngx_http_request_t *r, ngx_http_header_val_t *hv, |
b0e114fb3bdc
use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
601 ngx_str_t *value) |
b0e114fb3bdc
use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
602 { |
4974
9d9ee85db35d
Slightly optimized code that handles special headers in "add_header".
Ruslan Ermilov <ru@nginx.com>
parents:
4747
diff
changeset
|
603 if (ngx_http_set_response_header(r, hv, value) != NGX_OK) { |
4742
3cb5cf1e1439
Added Last-Modified parsing in add_header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4548
diff
changeset
|
604 return NGX_ERROR; |
3cb5cf1e1439
Added Last-Modified parsing in add_header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4548
diff
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605 } |
1655 | 606 |
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|
607 r->headers_out.last_modified_time = |
6180
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Moved ngx_http_parse_time() to core, renamed accordingly.
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|
608 (value->len) ? ngx_parse_http_time(value->data, value->len) : -1; |
1363
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use header specific handler in add_handler,
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diff
changeset
|
609 |
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610 return NGX_OK; |
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|
611 } |
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parents:
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diff
changeset
|
612 |
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use header specific handler in add_handler,
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parents:
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diff
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|
613 |
4747
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|
614 static ngx_int_t |
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|
615 ngx_http_set_response_header(ngx_http_request_t *r, ngx_http_header_val_t *hv, |
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|
616 ngx_str_t *value) |
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617 { |
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|
618 ngx_table_elt_t *h, **old; |
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|
619 |
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|
620 old = (ngx_table_elt_t **) ((char *) &r->headers_out + hv->offset); |
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|
621 |
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|
622 if (value->len == 0) { |
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|
623 if (*old) { |
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|
624 (*old)->hash = 0; |
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|
625 *old = NULL; |
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|
626 } |
4747
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|
627 |
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|
628 return NGX_OK; |
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|
629 } |
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|
630 |
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|
631 if (*old) { |
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|
632 h = *old; |
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|
633 |
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Slightly optimized code that handles special headers in "add_header".
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|
634 } else { |
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Slightly optimized code that handles special headers in "add_header".
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|
635 h = ngx_list_push(&r->headers_out.headers); |
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Slightly optimized code that handles special headers in "add_header".
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|
636 if (h == NULL) { |
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|
637 return NGX_ERROR; |
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|
638 } |
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diff
changeset
|
639 |
9d9ee85db35d
Slightly optimized code that handles special headers in "add_header".
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|
640 *old = h; |
4747
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|
641 } |
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Maxim Dounin <mdounin@mdounin.ru>
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|
642 |
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changeset
|
643 h->hash = 1; |
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|
644 h->key = hv->key; |
1e2ac45ad25d
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Maxim Dounin <mdounin@mdounin.ru>
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|
645 h->value = *value; |
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|
646 |
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|
647 return NGX_OK; |
1e2ac45ad25d
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|
648 } |
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diff
changeset
|
649 |
1e2ac45ad25d
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diff
changeset
|
650 |
501 | 651 static void * |
652 ngx_http_headers_create_conf(ngx_conf_t *cf) | |
577 | 653 { |
326
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diff
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|
654 ngx_http_headers_conf_t *conf; |
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|
655 |
573 | 656 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_headers_conf_t)); |
501 | 657 if (conf == NULL) { |
2912
c7d57b539248
return NULL instead of NGX_CONF_ERROR on a create conf failure
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diff
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|
658 return NULL; |
326
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|
659 } |
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parents:
diff
changeset
|
660 |
573 | 661 /* |
662 * set by ngx_pcalloc(): | |
663 * | |
664 * conf->headers = NULL; | |
7036
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Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
665 * conf->trailers = NULL; |
2013 | 666 * conf->expires_time = 0; |
5942
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Headers filter: variables support in expires (ticket #113).
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|
667 * conf->expires_value = NULL; |
573 | 668 */ |
669 | |
4547
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|
670 conf->expires = NGX_HTTP_EXPIRES_UNSET; |
326
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|
671 |
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parents:
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|
672 return conf; |
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parents:
diff
changeset
|
673 } |
8733703a37f3
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
674 |
8733703a37f3
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
675 |
501 | 676 static char * |
677 ngx_http_headers_merge_conf(ngx_conf_t *cf, void *parent, void *child) | |
326
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diff
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|
678 { |
8733703a37f3
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
679 ngx_http_headers_conf_t *prev = parent; |
8733703a37f3
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parents:
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changeset
|
680 ngx_http_headers_conf_t *conf = child; |
8733703a37f3
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parents:
diff
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|
681 |
4547
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Minor ngx_http_headers_filter_module.c code cleanup.
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|
682 if (conf->expires == NGX_HTTP_EXPIRES_UNSET) { |
2013 | 683 conf->expires = prev->expires; |
684 conf->expires_time = prev->expires_time; | |
5942
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Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
685 conf->expires_value = prev->expires_value; |
2013 | 686 |
4547
2577c27cbffd
Minor ngx_http_headers_filter_module.c code cleanup.
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4491
diff
changeset
|
687 if (conf->expires == NGX_HTTP_EXPIRES_UNSET) { |
2013 | 688 conf->expires = NGX_HTTP_EXPIRES_OFF; |
689 } | |
326
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parents:
diff
changeset
|
690 } |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
691 |
573 | 692 if (conf->headers == NULL) { |
693 conf->headers = prev->headers; | |
694 } | |
695 | |
7036
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
696 if (conf->trailers == NULL) { |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
697 conf->trailers = prev->trailers; |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
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7017
diff
changeset
|
698 } |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
699 |
326
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parents:
diff
changeset
|
700 return NGX_CONF_OK; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
701 } |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
702 |
8733703a37f3
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
703 |
681 | 704 static ngx_int_t |
705 ngx_http_headers_filter_init(ngx_conf_t *cf) | |
706 { | |
707 ngx_http_next_header_filter = ngx_http_top_header_filter; | |
708 ngx_http_top_header_filter = ngx_http_headers_filter; | |
709 | |
7036
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
710 ngx_http_next_body_filter = ngx_http_top_body_filter; |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
711 ngx_http_top_body_filter = ngx_http_trailers_filter; |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
712 |
681 | 713 return NGX_OK; |
714 } | |
715 | |
716 | |
501 | 717 static char * |
718 ngx_http_headers_expires(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
326
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parents:
diff
changeset
|
719 { |
8733703a37f3
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
720 ngx_http_headers_conf_t *hcf = conf; |
8733703a37f3
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parents:
diff
changeset
|
721 |
5942
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|
722 char *err; |
4983f7d18fe3
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Maxim Dounin <mdounin@mdounin.ru>
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5941
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changeset
|
723 ngx_str_t *value; |
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Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
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changeset
|
724 ngx_int_t rc; |
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Headers filter: variables support in expires (ticket #113).
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changeset
|
725 ngx_uint_t n; |
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Headers filter: variables support in expires (ticket #113).
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5941
diff
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|
726 ngx_http_complex_value_t cv; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
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changeset
|
727 ngx_http_compile_complex_value_t ccv; |
326
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parents:
diff
changeset
|
728 |
4547
2577c27cbffd
Minor ngx_http_headers_filter_module.c code cleanup.
Ruslan Ermilov <ru@nginx.com>
parents:
4491
diff
changeset
|
729 if (hcf->expires != NGX_HTTP_EXPIRES_UNSET) { |
326
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parents:
diff
changeset
|
730 return "is duplicate"; |
8733703a37f3
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parents:
diff
changeset
|
731 } |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
732 |
8733703a37f3
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
733 value = cf->args->elts; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
734 |
2013 | 735 if (cf->args->nelts == 2) { |
736 | |
737 hcf->expires = NGX_HTTP_EXPIRES_ACCESS; | |
738 | |
739 n = 1; | |
740 | |
741 } else { /* cf->args->nelts == 3 */ | |
742 | |
743 if (ngx_strcmp(value[1].data, "modified") != 0) { | |
744 return "invalid value"; | |
745 } | |
746 | |
747 hcf->expires = NGX_HTTP_EXPIRES_MODIFIED; | |
748 | |
749 n = 2; | |
729 | 750 } |
751 | |
5942
4983f7d18fe3
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5941
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|
752 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
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diff
changeset
|
753 |
4983f7d18fe3
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parents:
5941
diff
changeset
|
754 ccv.cf = cf; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
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5941
diff
changeset
|
755 ccv.value = &value[n]; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
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parents:
5941
diff
changeset
|
756 ccv.complex_value = &cv; |
2163 | 757 |
5942
4983f7d18fe3
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parents:
5941
diff
changeset
|
758 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
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parents:
5941
diff
changeset
|
759 return NGX_CONF_ERROR; |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
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5941
diff
changeset
|
760 } |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
761 |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
762 if (cv.lengths != NULL) { |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
763 |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
764 hcf->expires_value = ngx_palloc(cf->pool, |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
765 sizeof(ngx_http_complex_value_t)); |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
766 if (hcf->expires_value == NULL) { |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
767 return NGX_CONF_ERROR; |
2163 | 768 } |
769 | |
5942
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
770 *hcf->expires_value = cv; |
326
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
771 |
5942
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
772 return NGX_CONF_OK; |
326
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
773 } |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
774 |
5942
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
775 rc = ngx_http_parse_expires(&value[n], &hcf->expires, &hcf->expires_time, |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
776 &err); |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
777 if (rc != NGX_OK) { |
4983f7d18fe3
Headers filter: variables support in expires (ticket #113).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5941
diff
changeset
|
778 return err; |
326
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
779 } |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
780 |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
781 return NGX_CONF_OK; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
782 } |
573 | 783 |
784 | |
785 static char * | |
786 ngx_http_headers_add(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
787 { | |
788 ngx_http_headers_conf_t *hcf = conf; | |
789 | |
7036
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
790 ngx_str_t *value; |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
791 ngx_uint_t i; |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
792 ngx_array_t **headers; |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
793 ngx_http_header_val_t *hv; |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
794 ngx_http_set_header_t *set; |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
795 ngx_http_compile_complex_value_t ccv; |
573 | 796 |
797 value = cf->args->elts; | |
798 | |
7036
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
799 headers = (ngx_array_t **) ((char *) hcf + cmd->offset); |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
800 |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
801 if (*headers == NULL) { |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
802 *headers = ngx_array_create(cf->pool, 1, |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
803 sizeof(ngx_http_header_val_t)); |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
804 if (*headers == NULL) { |
573 | 805 return NGX_CONF_ERROR; |
806 } | |
807 } | |
808 | |
7036
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
809 hv = ngx_array_push(*headers); |
2588
a6954ce88b80
use complex values in add_header, auth_basic_user_file,
Igor Sysoev <igor@sysoev.ru>
parents:
2406
diff
changeset
|
810 if (hv == NULL) { |
573 | 811 return NGX_CONF_ERROR; |
812 } | |
813 | |
2588
a6954ce88b80
use complex values in add_header, auth_basic_user_file,
Igor Sysoev <igor@sysoev.ru>
parents:
2406
diff
changeset
|
814 hv->key = value[1]; |
7036
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
815 hv->handler = NULL; |
2588
a6954ce88b80
use complex values in add_header, auth_basic_user_file,
Igor Sysoev <igor@sysoev.ru>
parents:
2406
diff
changeset
|
816 hv->offset = 0; |
5817
74ffe03555d0
Headers filter: "add_header" with "always" parameter (ticket #98).
Sergey Kandaurov <pluknet@nginx.com>
parents:
5427
diff
changeset
|
817 hv->always = 0; |
625 | 818 |
7036
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
819 if (headers == &hcf->headers) { |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
820 hv->handler = ngx_http_add_header; |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
821 |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
822 set = ngx_http_set_headers; |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
823 for (i = 0; set[i].name.len; i++) { |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
824 if (ngx_strcasecmp(value[1].data, set[i].name.data) != 0) { |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
825 continue; |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
826 } |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
827 |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
828 hv->offset = set[i].offset; |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
829 hv->handler = set[i].handler; |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
830 |
8666da1ecf33
Headers filter: added "add_trailer" directive.
Piotr Sikora <piotrsikora@google.com>
parents:
7017
diff
changeset
|
831 break; |
1363
b0e114fb3bdc
use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
832 } |
b0e114fb3bdc
use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
833 } |
b0e114fb3bdc
use header specific handler in add_handler,
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
834 |
2605
2a301c21256a
fix add_header Last-Modified "", broken in r2589
Igor Sysoev <igor@sysoev.ru>
parents:
2588
diff
changeset
|
835 if (value[2].len == 0) { |
2a301c21256a
fix add_header Last-Modified "", broken in r2589
Igor Sysoev <igor@sysoev.ru>
parents:
2588
diff
changeset
|
836 ngx_memzero(&hv->value, sizeof(ngx_http_complex_value_t)); |
2a301c21256a
fix add_header Last-Modified "", broken in r2589
Igor Sysoev <igor@sysoev.ru>
parents:
2588
diff
changeset
|
837 |
6405
5dfc63c1d9ca
Headers filter: fixed "add_header ... '' always".
Ruslan Ermilov <ru@nginx.com>
parents:
6180
diff
changeset
|
838 } else { |
5dfc63c1d9ca
Headers filter: fixed "add_header ... '' always".
Ruslan Ermilov <ru@nginx.com>
parents:
6180
diff
changeset
|
839 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); |
625 | 840 |
6405
5dfc63c1d9ca
Headers filter: fixed "add_header ... '' always".
Ruslan Ermilov <ru@nginx.com>
parents:
6180
diff
changeset
|
841 ccv.cf = cf; |
5dfc63c1d9ca
Headers filter: fixed "add_header ... '' always".
Ruslan Ermilov <ru@nginx.com>
parents:
6180
diff
changeset
|
842 ccv.value = &value[2]; |
5dfc63c1d9ca
Headers filter: fixed "add_header ... '' always".
Ruslan Ermilov <ru@nginx.com>
parents:
6180
diff
changeset
|
843 ccv.complex_value = &hv->value; |
625 | 844 |
6405
5dfc63c1d9ca
Headers filter: fixed "add_header ... '' always".
Ruslan Ermilov <ru@nginx.com>
parents:
6180
diff
changeset
|
845 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { |
5dfc63c1d9ca
Headers filter: fixed "add_header ... '' always".
Ruslan Ermilov <ru@nginx.com>
parents:
6180
diff
changeset
|
846 return NGX_CONF_ERROR; |
5dfc63c1d9ca
Headers filter: fixed "add_header ... '' always".
Ruslan Ermilov <ru@nginx.com>
parents:
6180
diff
changeset
|
847 } |
625 | 848 } |
573 | 849 |
5817
74ffe03555d0
Headers filter: "add_header" with "always" parameter (ticket #98).
Sergey Kandaurov <pluknet@nginx.com>
parents:
5427
diff
changeset
|
850 if (cf->args->nelts == 3) { |
74ffe03555d0
Headers filter: "add_header" with "always" parameter (ticket #98).
Sergey Kandaurov <pluknet@nginx.com>
parents:
5427
diff
changeset
|
851 return NGX_CONF_OK; |
74ffe03555d0
Headers filter: "add_header" with "always" parameter (ticket #98).
Sergey Kandaurov <pluknet@nginx.com>
parents:
5427
diff
changeset
|
852 } |
74ffe03555d0
Headers filter: "add_header" with "always" parameter (ticket #98).
Sergey Kandaurov <pluknet@nginx.com>
parents:
5427
diff
changeset
|
853 |
74ffe03555d0
Headers filter: "add_header" with "always" parameter (ticket #98).
Sergey Kandaurov <pluknet@nginx.com>
parents:
5427
diff
changeset
|
854 if (ngx_strcmp(value[3].data, "always") != 0) { |
74ffe03555d0
Headers filter: "add_header" with "always" parameter (ticket #98).
Sergey Kandaurov <pluknet@nginx.com>
parents:
5427
diff
changeset
|
855 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
74ffe03555d0
Headers filter: "add_header" with "always" parameter (ticket #98).
Sergey Kandaurov <pluknet@nginx.com>
parents:
5427
diff
changeset
|
856 "invalid parameter \"%V\"", &value[3]); |
74ffe03555d0
Headers filter: "add_header" with "always" parameter (ticket #98).
Sergey Kandaurov <pluknet@nginx.com>
parents:
5427
diff
changeset
|
857 return NGX_CONF_ERROR; |
74ffe03555d0
Headers filter: "add_header" with "always" parameter (ticket #98).
Sergey Kandaurov <pluknet@nginx.com>
parents:
5427
diff
changeset
|
858 } |
74ffe03555d0
Headers filter: "add_header" with "always" parameter (ticket #98).
Sergey Kandaurov <pluknet@nginx.com>
parents:
5427
diff
changeset
|
859 |
74ffe03555d0
Headers filter: "add_header" with "always" parameter (ticket #98).
Sergey Kandaurov <pluknet@nginx.com>
parents:
5427
diff
changeset
|
860 hv->always = 1; |
74ffe03555d0
Headers filter: "add_header" with "always" parameter (ticket #98).
Sergey Kandaurov <pluknet@nginx.com>
parents:
5427
diff
changeset
|
861 |
573 | 862 return NGX_CONF_OK; |
863 } |