Mercurial > hg > nginx-quic
comparison src/http/ngx_http_request.c @ 2004:38fa1d3a31b7
test user agent in header callback
author | Igor Sysoev <igor@sysoev.ru> |
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date | Tue, 13 May 2008 09:18:58 +0000 |
parents | f32cc6df6bd6 |
children | 22ec7da42e6f |
comparison
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2003:fe94e3e28fea | 2004:38fa1d3a31b7 |
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20 static ngx_int_t ngx_http_process_header_line(ngx_http_request_t *r, | 20 static ngx_int_t ngx_http_process_header_line(ngx_http_request_t *r, |
21 ngx_table_elt_t *h, ngx_uint_t offset); | 21 ngx_table_elt_t *h, ngx_uint_t offset); |
22 static ngx_int_t ngx_http_process_unique_header_line(ngx_http_request_t *r, | 22 static ngx_int_t ngx_http_process_unique_header_line(ngx_http_request_t *r, |
23 ngx_table_elt_t *h, ngx_uint_t offset); | 23 ngx_table_elt_t *h, ngx_uint_t offset); |
24 static ngx_int_t ngx_http_process_connection(ngx_http_request_t *r, | 24 static ngx_int_t ngx_http_process_connection(ngx_http_request_t *r, |
25 ngx_table_elt_t *h, ngx_uint_t offset); | |
26 static ngx_int_t ngx_http_process_user_agent(ngx_http_request_t *r, | |
25 ngx_table_elt_t *h, ngx_uint_t offset); | 27 ngx_table_elt_t *h, ngx_uint_t offset); |
26 static ngx_int_t ngx_http_process_cookie(ngx_http_request_t *r, | 28 static ngx_int_t ngx_http_process_cookie(ngx_http_request_t *r, |
27 ngx_table_elt_t *h, ngx_uint_t offset); | 29 ngx_table_elt_t *h, ngx_uint_t offset); |
28 | 30 |
29 static ngx_int_t ngx_http_process_request_header(ngx_http_request_t *r); | 31 static ngx_int_t ngx_http_process_request_header(ngx_http_request_t *r); |
77 | 79 |
78 { ngx_string("If-Modified-Since"), | 80 { ngx_string("If-Modified-Since"), |
79 offsetof(ngx_http_headers_in_t, if_modified_since), | 81 offsetof(ngx_http_headers_in_t, if_modified_since), |
80 ngx_http_process_unique_header_line }, | 82 ngx_http_process_unique_header_line }, |
81 | 83 |
82 { ngx_string("User-Agent"), offsetof(ngx_http_headers_in_t, user_agent), | 84 { ngx_string("User-Agent"), 0, ngx_http_process_user_agent }, |
83 ngx_http_process_header_line }, | |
84 | 85 |
85 { ngx_string("Referer"), offsetof(ngx_http_headers_in_t, referer), | 86 { ngx_string("Referer"), offsetof(ngx_http_headers_in_t, referer), |
86 ngx_http_process_header_line }, | 87 ngx_http_process_header_line }, |
87 | 88 |
88 { ngx_string("Content-Length"), | 89 { ngx_string("Content-Length"), |
1248 return NGX_ERROR; | 1249 return NGX_ERROR; |
1249 } | 1250 } |
1250 | 1251 |
1251 | 1252 |
1252 static ngx_int_t | 1253 static ngx_int_t |
1254 ngx_http_process_user_agent(ngx_http_request_t *r, ngx_table_elt_t *h, | |
1255 ngx_uint_t offset) | |
1256 { | |
1257 u_char *ua, *user_agent; | |
1258 | |
1259 if (r->headers_in.user_agent) { | |
1260 return NGX_OK; | |
1261 } | |
1262 | |
1263 r->headers_in.user_agent = h; | |
1264 | |
1265 /* check some widespread browsers while the header is in CPU cache */ | |
1266 | |
1267 user_agent = h->value.data; | |
1268 | |
1269 ua = ngx_strstrn(user_agent, "MSIE", 4 - 1); | |
1270 | |
1271 if (ua && ua + 8 < user_agent + r->headers_in.user_agent->value.len) { | |
1272 | |
1273 r->headers_in.msie = 1; | |
1274 | |
1275 if (ua[4] == ' ' && ua[5] == '4' && ua[6] == '.') { | |
1276 r->headers_in.msie4 = 1; | |
1277 } | |
1278 | |
1279 #if 0 | |
1280 /* MSIE ignores the SSL "close notify" alert */ | |
1281 if (c->ssl) { | |
1282 c->ssl->no_send_shutdown = 1; | |
1283 } | |
1284 #endif | |
1285 } | |
1286 | |
1287 if (ngx_strstrn(user_agent, "Opera", 5 - 1)) { | |
1288 r->headers_in.opera = 1; | |
1289 r->headers_in.msie = 0; | |
1290 r->headers_in.msie4 = 0; | |
1291 } | |
1292 | |
1293 if (!r->headers_in.msie && !r->headers_in.opera) { | |
1294 | |
1295 if (ngx_strstrn(user_agent, "Gecko/", 6 - 1)) { | |
1296 r->headers_in.gecko = 1; | |
1297 | |
1298 } else if (ngx_strstrn(user_agent, "Konqueror", 9 - 1)) { | |
1299 r->headers_in.konqueror = 1; | |
1300 } | |
1301 } | |
1302 | |
1303 return NGX_OK; | |
1304 } | |
1305 | |
1306 | |
1307 static ngx_int_t | |
1253 ngx_http_process_request_header(ngx_http_request_t *r) | 1308 ngx_http_process_request_header(ngx_http_request_t *r) |
1254 { | 1309 { |
1255 size_t len; | 1310 size_t len; |
1256 u_char *host, *ua, *user_agent, ch; | 1311 u_char *host, ch; |
1257 ngx_uint_t hash; | 1312 ngx_uint_t hash; |
1258 | 1313 |
1259 if (r->headers_in.host) { | 1314 if (r->headers_in.host) { |
1260 | 1315 |
1261 hash = 0; | 1316 hash = 0; |
1348 if (r->headers_in.connection_type == NGX_HTTP_CONNECTION_KEEP_ALIVE) { | 1403 if (r->headers_in.connection_type == NGX_HTTP_CONNECTION_KEEP_ALIVE) { |
1349 if (r->headers_in.keep_alive) { | 1404 if (r->headers_in.keep_alive) { |
1350 r->headers_in.keep_alive_n = | 1405 r->headers_in.keep_alive_n = |
1351 ngx_atotm(r->headers_in.keep_alive->value.data, | 1406 ngx_atotm(r->headers_in.keep_alive->value.data, |
1352 r->headers_in.keep_alive->value.len); | 1407 r->headers_in.keep_alive->value.len); |
1353 } | |
1354 } | |
1355 | |
1356 if (r->headers_in.user_agent) { | |
1357 | |
1358 /* | |
1359 * check some widespread browsers while the headers are still | |
1360 * in CPU cache | |
1361 */ | |
1362 | |
1363 user_agent = r->headers_in.user_agent->value.data; | |
1364 | |
1365 ua = ngx_strstrn(user_agent, "MSIE", 4 - 1); | |
1366 | |
1367 if (ua && ua + 8 < user_agent + r->headers_in.user_agent->value.len) { | |
1368 | |
1369 r->headers_in.msie = 1; | |
1370 | |
1371 if (ua[4] == ' ' && ua[5] == '4' && ua[6] == '.') { | |
1372 r->headers_in.msie4 = 1; | |
1373 } | |
1374 | |
1375 #if 0 | |
1376 /* MSIE ignores the SSL "close notify" alert */ | |
1377 if (c->ssl) { | |
1378 c->ssl->no_send_shutdown = 1; | |
1379 } | |
1380 #endif | |
1381 } | |
1382 | |
1383 if (ngx_strstrn(user_agent, "Opera", 5 - 1)) { | |
1384 r->headers_in.opera = 1; | |
1385 r->headers_in.msie = 0; | |
1386 r->headers_in.msie4 = 0; | |
1387 } | |
1388 | |
1389 if (!r->headers_in.msie && !r->headers_in.opera) { | |
1390 | |
1391 if (ngx_strstrn(user_agent, "Gecko/", 6 - 1)) { | |
1392 r->headers_in.gecko = 1; | |
1393 | |
1394 } else if (ngx_strstrn(user_agent, "Konqueror", 9 - 1)) { | |
1395 r->headers_in.konqueror = 1; | |
1396 } | |
1397 } | 1408 } |
1398 } | 1409 } |
1399 | 1410 |
1400 return NGX_OK; | 1411 return NGX_OK; |
1401 } | 1412 } |