Mercurial > hg > nginx-quic
annotate src/http/modules/ngx_http_static_module.c @ 3476:213f417ab428
zlib 1.2.4 compatibility
author | Igor Sysoev <igor@sysoev.ru> |
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date | Thu, 25 Mar 2010 10:07:38 +0000 |
parents | 975f0558aab3 |
children | 9f20a6e758c3 |
rev | line source |
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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7 #include <ngx_config.h> |
87
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8 #include <ngx_core.h> |
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9 #include <ngx_http.h> |
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12 static ngx_int_t ngx_http_static_handler(ngx_http_request_t *r); |
681 | 13 static ngx_int_t ngx_http_static_init(ngx_conf_t *cf); |
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14 |
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15 |
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16 ngx_http_module_t ngx_http_static_module_ctx = { |
509 | 17 NULL, /* preconfiguration */ |
681 | 18 ngx_http_static_init, /* postconfiguration */ |
177
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19 |
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20 NULL, /* create main configuration */ |
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21 NULL, /* init main configuration */ |
577 | 22 |
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23 NULL, /* create server configuration */ |
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24 NULL, /* merge server configuration */ |
577 | 25 |
1454 | 26 NULL, /* create location configuration */ |
27 NULL /* merge location configuration */ | |
577 | 28 }; |
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29 |
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30 |
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31 ngx_module_t ngx_http_static_module = { |
509 | 32 NGX_MODULE_V1, |
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33 &ngx_http_static_module_ctx, /* module context */ |
1454 | 34 NULL, /* module directives */ |
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35 NGX_HTTP_MODULE, /* module type */ |
541 | 36 NULL, /* init master */ |
681 | 37 NULL, /* init module */ |
541 | 38 NULL, /* init process */ |
39 NULL, /* init thread */ | |
40 NULL, /* exit thread */ | |
41 NULL, /* exit process */ | |
42 NULL, /* exit master */ | |
43 NGX_MODULE_V1_PADDING | |
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44 }; |
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45 |
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46 |
509 | 47 static ngx_int_t |
48 ngx_http_static_handler(ngx_http_request_t *r) | |
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49 { |
557 | 50 u_char *last, *location; |
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51 size_t root, len; |
1454 | 52 ngx_str_t path; |
557 | 53 ngx_int_t rc; |
54 ngx_uint_t level; | |
55 ngx_log_t *log; | |
56 ngx_buf_t *b; | |
57 ngx_chain_t out; | |
1454 | 58 ngx_open_file_info_t of; |
557 | 59 ngx_http_core_loc_conf_t *clcf; |
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60 |
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61 if (!(r->method & (NGX_HTTP_GET|NGX_HTTP_HEAD|NGX_HTTP_POST))) { |
639 | 62 return NGX_HTTP_NOT_ALLOWED; |
63 } | |
64 | |
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65 if (r->uri.data[r->uri.len - 1] == '/') { |
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66 return NGX_DECLINED; |
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67 } |
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68 |
489 | 69 if (r->zero_in_uri) { |
70 return NGX_DECLINED; | |
71 } | |
72 | |
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73 log = r->connection->log; |
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74 |
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75 /* |
557 | 76 * ngx_http_map_uri_to_path() allocates memory for terminating '\0' |
77 * so we do not need to reserve memory for '/' for possible redirect | |
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78 */ |
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79 |
773 | 80 last = ngx_http_map_uri_to_path(r, &path, &root, 0); |
557 | 81 if (last == NULL) { |
82 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
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83 } |
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84 |
1454 | 85 path.len = last - path.data; |
86 | |
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87 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, log, 0, |
557 | 88 "http filename: \"%s\"", path.data); |
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89 |
1454 | 90 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
563 | 91 |
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92 ngx_memzero(&of, sizeof(ngx_open_file_info_t)); |
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93 |
3178 | 94 of.read_ahead = clcf->read_ahead; |
2129 | 95 of.directio = clcf->directio; |
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96 of.valid = clcf->open_file_cache_valid; |
1772 | 97 of.min_uses = clcf->open_file_cache_min_uses; |
1454 | 98 of.errors = clcf->open_file_cache_errors; |
1457 | 99 of.events = clcf->open_file_cache_events; |
1454 | 100 |
1799 | 101 if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool) |
102 != NGX_OK) | |
103 { | |
1454 | 104 switch (of.err) { |
105 | |
106 case 0: | |
107 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
148
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108 |
1454 | 109 case NGX_ENOENT: |
110 case NGX_ENOTDIR: | |
111 case NGX_ENAMETOOLONG: | |
112 | |
170
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113 level = NGX_LOG_ERR; |
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114 rc = NGX_HTTP_NOT_FOUND; |
1454 | 115 break; |
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116 |
1454 | 117 case NGX_EACCES: |
118 | |
170
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119 level = NGX_LOG_ERR; |
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120 rc = NGX_HTTP_FORBIDDEN; |
1454 | 121 break; |
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122 |
1454 | 123 default: |
124 | |
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125 level = NGX_LOG_CRIT; |
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126 rc = NGX_HTTP_INTERNAL_SERVER_ERROR; |
1454 | 127 break; |
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128 } |
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129 |
527 | 130 if (rc != NGX_HTTP_NOT_FOUND || clcf->log_not_found) { |
1454 | 131 ngx_log_error(level, log, of.err, |
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132 "%s \"%s\" failed", of.failed, path.data); |
527 | 133 } |
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134 |
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135 return rc; |
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136 } |
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137 |
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138 r->root_tested = !r->error_page; |
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139 |
1696 | 140 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, log, 0, "http static fd: %d", of.fd); |
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141 |
1454 | 142 if (of.is_dir) { |
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143 |
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144 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, log, 0, "http dir"); |
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145 |
509 | 146 r->headers_out.location = ngx_palloc(r->pool, sizeof(ngx_table_elt_t)); |
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147 if (r->headers_out.location == NULL) { |
165
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148 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
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149 } |
148
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150 |
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151 len = r->uri.len + 1; |
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152 |
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153 if (!clcf->alias && clcf->root_lengths == NULL && r->args.len == 0) { |
557 | 154 location = path.data + clcf->root.len; |
155 | |
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156 *last = '/'; |
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157 |
557 | 158 } else { |
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159 if (r->args.len) { |
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160 len += r->args.len + 1; |
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161 } |
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162 |
2049 | 163 location = ngx_pnalloc(r->pool, len); |
557 | 164 if (location == NULL) { |
165 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
166 } | |
167 | |
573 | 168 last = ngx_copy(location, r->uri.data, r->uri.len); |
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169 |
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170 *last = '/'; |
557 | 171 |
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172 if (r->args.len) { |
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173 *++last = '?'; |
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174 ngx_memcpy(++last, r->args.data, r->args.len); |
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175 } |
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176 } |
557 | 177 |
509 | 178 /* |
179 * we do not need to set the r->headers_out.location->hash and | |
180 * r->headers_out.location->key fields | |
181 */ | |
201
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182 |
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183 r->headers_out.location->value.len = len; |
557 | 184 r->headers_out.location->value.data = location; |
287
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185 |
148
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186 return NGX_HTTP_MOVED_PERMANENTLY; |
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187 } |
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188 |
461 | 189 #if !(NGX_WIN32) /* the not regular files are probably Unix specific */ |
176
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190 |
1454 | 191 if (!of.is_file) { |
201
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192 ngx_log_error(NGX_LOG_CRIT, log, ngx_errno, |
557 | 193 "\"%s\" is not a regular file", path.data); |
176
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194 |
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195 return NGX_HTTP_NOT_FOUND; |
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196 } |
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197 |
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198 #endif |
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199 |
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200 if (r->method & NGX_HTTP_POST) { |
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201 return NGX_HTTP_NOT_ALLOWED; |
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202 } |
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203 |
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204 rc = ngx_http_discard_request_body(r); |
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205 |
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206 if (rc != NGX_OK) { |
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207 return rc; |
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208 } |
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209 |
509 | 210 log->action = "sending response to client"; |
148
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211 |
201
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212 r->headers_out.status = NGX_HTTP_OK; |
1454 | 213 r->headers_out.content_length_n = of.size; |
214 r->headers_out.last_modified_time = of.mtime; | |
201
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215 |
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216 if (ngx_http_set_content_type(r) != NGX_OK) { |
200
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217 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
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218 } |
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219 |
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220 if (r != r->main && of.size == 0) { |
583 | 221 return ngx_http_send_header(r); |
222 } | |
223 | |
587 | 224 r->allow_ranges = 1; |
225 | |
577 | 226 /* we need to allocate all before the header would be sent */ |
1
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227 |
577 | 228 b = ngx_pcalloc(r->pool, sizeof(ngx_buf_t)); |
229 if (b == NULL) { | |
230 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
231 } | |
26
53cb81681040
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diff
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232 |
577 | 233 b->file = ngx_pcalloc(r->pool, sizeof(ngx_file_t)); |
234 if (b->file == NULL) { | |
235 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
236 } | |
403
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237 |
96
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238 rc = ngx_http_send_header(r); |
143
5526213be452
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239 |
585 | 240 if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) { |
143
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241 return rc; |
99
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242 } |
96
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243 |
343
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244 b->file_pos = 0; |
1454 | 245 b->file_last = of.size; |
1
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246 |
577 | 247 b->in_file = b->file_last ? 1: 0; |
597 | 248 b->last_buf = (r == r->main) ? 1: 0; |
577 | 249 b->last_in_chain = 1; |
250 | |
1696 | 251 b->file->fd = of.fd; |
557 | 252 b->file->name = path; |
343
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253 b->file->log = log; |
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254 b->file->directio = of.is_directio; |
343
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255 |
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256 out.buf = b; |
153
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257 out.next = NULL; |
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258 |
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259 return ngx_http_output_filter(r, &out); |
1
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260 } |
148
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261 |
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262 |
509 | 263 static ngx_int_t |
681 | 264 ngx_http_static_init(ngx_conf_t *cf) |
148
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265 { |
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266 ngx_http_handler_pt *h; |
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267 ngx_http_core_main_conf_t *cmcf; |
396
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268 |
681 | 269 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); |
577 | 270 |
501 | 271 h = ngx_array_push(&cmcf->phases[NGX_HTTP_CONTENT_PHASE].handlers); |
201
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272 if (h == NULL) { |
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273 return NGX_ERROR; |
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274 } |
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275 |
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276 *h = ngx_http_static_handler; |
148
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277 |
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278 return NGX_OK; |
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279 } |