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cb69b4c7 | 1 | /* |
bde978a6 | 2 | * Copyright (C) 1996-2015 The Squid Software Foundation and contributors |
cb69b4c7 | 3 | * |
bbc27441 AJ |
4 | * Squid software is distributed under GPLv2+ license and includes |
5 | * contributions from numerous individuals and organizations. | |
6 | * Please see the COPYING and CONTRIBUTORS files for details. | |
cb69b4c7 | 7 | */ |
8 | ||
bbc27441 AJ |
9 | /* DEBUG: section 55 HTTP Header */ |
10 | ||
582c2af2 | 11 | #include "squid.h" |
25f98340 | 12 | #include "base64.h" |
67679543 | 13 | #include "globals.h" |
7ebe76de | 14 | #include "HttpHdrCc.h" |
582c2af2 | 15 | #include "HttpHdrContRange.h" |
25b6a907 | 16 | #include "HttpHdrSc.h" |
8822ebee | 17 | #include "HttpHeader.h" |
79cb238d | 18 | #include "HttpHeaderFieldInfo.h" |
e1656dc4 | 19 | #include "HttpHeaderStat.h" |
a5bac1d2 | 20 | #include "HttpHeaderTools.h" |
0eb49b6d | 21 | #include "MemBuf.h" |
8822ebee | 22 | #include "mgr/Registration.h" |
582c2af2 | 23 | #include "profiler/Profiler.h" |
25f98340 | 24 | #include "rfc1123.h" |
602d9612 A |
25 | #include "SquidConfig.h" |
26 | #include "SquidString.h" | |
00a7574e | 27 | #include "StatHist.h" |
8822ebee | 28 | #include "Store.h" |
28204b3b | 29 | #include "StrList.h" |
81a94152 | 30 | #include "TimeOrTag.h" |
ed6e9fb9 | 31 | #include "util.h" |
cb69b4c7 | 32 | |
42865d25 FC |
33 | #include <algorithm> |
34 | ||
6fda1515 FC |
35 | /* XXX: the whole set of API managing the entries vector should be rethought |
36 | * after the parse4r-ng effort is complete. | |
37 | */ | |
38 | ||
cb69b4c7 | 39 | /* |
2ac76861 | 40 | * On naming conventions: |
26ac0430 AJ |
41 | * |
42 | * HTTP/1.1 defines message-header as | |
43 | * | |
2ac76861 | 44 | * message-header = field-name ":" [ field-value ] CRLF |
45 | * field-name = token | |
46 | * field-value = *( field-content | LWS ) | |
26ac0430 | 47 | * |
2ac76861 | 48 | * HTTP/1.1 does not give a name name a group of all message-headers in a message. |
49 | * Squid 1.1 seems to refer to that group _plus_ start-line as "headers". | |
26ac0430 | 50 | * |
2ac76861 | 51 | * HttpHeader is an object that represents all message-headers in a message. |
52 | * HttpHeader does not manage start-line. | |
26ac0430 | 53 | * |
d8b249ef | 54 | * HttpHeader is implemented as a collection of header "entries". |
55 | * An entry is a (field_id, field_name, field_value) triplet. | |
2ac76861 | 56 | */ |
cb69b4c7 | 57 | |
cb69b4c7 | 58 | /* |
59 | * local constants and vars | |
60 | */ | |
61 | ||
62 | /* | |
26ac0430 AJ |
63 | * A table with major attributes for every known field. |
64 | * We calculate name lengths and reorganize this array on start up. | |
cb69b4c7 | 65 | * After reorganization, field id can be used as an index to the table. |
66 | */ | |
26ac0430 | 67 | static const HttpHeaderFieldAttrs HeadersAttrs[] = { |
95cc1e3e | 68 | HttpHeaderFieldAttrs("Accept", HDR_ACCEPT, ftStr), |
26ac0430 | 69 | |
95cc1e3e FC |
70 | HttpHeaderFieldAttrs("Accept-Charset", HDR_ACCEPT_CHARSET, ftStr), |
71 | HttpHeaderFieldAttrs("Accept-Encoding", HDR_ACCEPT_ENCODING, ftStr), | |
72 | HttpHeaderFieldAttrs("Accept-Language", HDR_ACCEPT_LANGUAGE, ftStr), | |
73 | HttpHeaderFieldAttrs("Accept-Ranges", HDR_ACCEPT_RANGES, ftStr), | |
74 | HttpHeaderFieldAttrs("Age", HDR_AGE, ftInt), | |
75 | HttpHeaderFieldAttrs("Allow", HDR_ALLOW, ftStr), | |
76 | HttpHeaderFieldAttrs("Alternate-Protocol", HDR_ALTERNATE_PROTOCOL, ftStr), | |
77 | HttpHeaderFieldAttrs("Authorization", HDR_AUTHORIZATION, ftStr), /* for now */ | |
78 | HttpHeaderFieldAttrs("Cache-Control", HDR_CACHE_CONTROL, ftPCc), | |
79 | HttpHeaderFieldAttrs("Connection", HDR_CONNECTION, ftStr), | |
80 | HttpHeaderFieldAttrs("Content-Base", HDR_CONTENT_BASE, ftStr), | |
81 | HttpHeaderFieldAttrs("Content-Disposition", HDR_CONTENT_DISPOSITION, ftStr), /* for now */ | |
82 | HttpHeaderFieldAttrs("Content-Encoding", HDR_CONTENT_ENCODING, ftStr), | |
83 | HttpHeaderFieldAttrs("Content-Language", HDR_CONTENT_LANGUAGE, ftStr), | |
84 | HttpHeaderFieldAttrs("Content-Length", HDR_CONTENT_LENGTH, ftInt64), | |
85 | HttpHeaderFieldAttrs("Content-Location", HDR_CONTENT_LOCATION, ftStr), | |
86 | HttpHeaderFieldAttrs("Content-MD5", HDR_CONTENT_MD5, ftStr), /* for now */ | |
87 | HttpHeaderFieldAttrs("Content-Range", HDR_CONTENT_RANGE, ftPContRange), | |
88 | HttpHeaderFieldAttrs("Content-Type", HDR_CONTENT_TYPE, ftStr), | |
89 | HttpHeaderFieldAttrs("Cookie", HDR_COOKIE, ftStr), | |
90 | HttpHeaderFieldAttrs("Cookie2", HDR_COOKIE2, ftStr), | |
91 | HttpHeaderFieldAttrs("Date", HDR_DATE, ftDate_1123), | |
92 | HttpHeaderFieldAttrs("ETag", HDR_ETAG, ftETag), | |
93 | HttpHeaderFieldAttrs("Expect", HDR_EXPECT, ftStr), | |
94 | HttpHeaderFieldAttrs("Expires", HDR_EXPIRES, ftDate_1123), | |
95 | HttpHeaderFieldAttrs("Forwarded", HDR_FORWARDED, ftStr), | |
96 | HttpHeaderFieldAttrs("From", HDR_FROM, ftStr), | |
97 | HttpHeaderFieldAttrs("Host", HDR_HOST, ftStr), | |
98 | HttpHeaderFieldAttrs("HTTP2-Settings", HDR_HTTP2_SETTINGS, ftStr), /* for now */ | |
99 | HttpHeaderFieldAttrs("If-Match", HDR_IF_MATCH, ftStr), /* for now */ | |
100 | HttpHeaderFieldAttrs("If-Modified-Since", HDR_IF_MODIFIED_SINCE, ftDate_1123), | |
101 | HttpHeaderFieldAttrs("If-None-Match", HDR_IF_NONE_MATCH, ftStr), /* for now */ | |
102 | HttpHeaderFieldAttrs("If-Range", HDR_IF_RANGE, ftDate_1123_or_ETag), | |
103 | HttpHeaderFieldAttrs("If-Unmodified-Since", HDR_IF_UNMODIFIED_SINCE, ftDate_1123), | |
104 | HttpHeaderFieldAttrs("Keep-Alive", HDR_KEEP_ALIVE, ftStr), | |
105 | HttpHeaderFieldAttrs("Key", HDR_KEY, ftStr), | |
106 | HttpHeaderFieldAttrs("Last-Modified", HDR_LAST_MODIFIED, ftDate_1123), | |
107 | HttpHeaderFieldAttrs("Link", HDR_LINK, ftStr), | |
108 | HttpHeaderFieldAttrs("Location", HDR_LOCATION, ftStr), | |
109 | HttpHeaderFieldAttrs("Max-Forwards", HDR_MAX_FORWARDS, ftInt64), | |
110 | HttpHeaderFieldAttrs("Mime-Version", HDR_MIME_VERSION, ftStr), /* for now */ | |
111 | HttpHeaderFieldAttrs("Negotiate", HDR_NEGOTIATE, ftStr), | |
112 | HttpHeaderFieldAttrs("Origin", HDR_ORIGIN, ftStr), | |
113 | HttpHeaderFieldAttrs("Pragma", HDR_PRAGMA, ftStr), | |
114 | HttpHeaderFieldAttrs("Proxy-Authenticate", HDR_PROXY_AUTHENTICATE, ftStr), | |
115 | HttpHeaderFieldAttrs("Proxy-Authentication-Info", HDR_PROXY_AUTHENTICATION_INFO, ftStr), | |
116 | HttpHeaderFieldAttrs("Proxy-Authorization", HDR_PROXY_AUTHORIZATION, ftStr), | |
117 | HttpHeaderFieldAttrs("Proxy-Connection", HDR_PROXY_CONNECTION, ftStr), | |
118 | HttpHeaderFieldAttrs("Proxy-support", HDR_PROXY_SUPPORT, ftStr), | |
119 | HttpHeaderFieldAttrs("Public", HDR_PUBLIC, ftStr), | |
120 | HttpHeaderFieldAttrs("Range", HDR_RANGE, ftPRange), | |
121 | HttpHeaderFieldAttrs("Referer", HDR_REFERER, ftStr), | |
122 | HttpHeaderFieldAttrs("Request-Range", HDR_REQUEST_RANGE, ftPRange), /* usually matches HDR_RANGE */ | |
123 | HttpHeaderFieldAttrs("Retry-After", HDR_RETRY_AFTER, ftStr), /* for now (ftDate_1123 or ftInt!) */ | |
124 | HttpHeaderFieldAttrs("Server", HDR_SERVER, ftStr), | |
125 | HttpHeaderFieldAttrs("Set-Cookie", HDR_SET_COOKIE, ftStr), | |
126 | HttpHeaderFieldAttrs("Set-Cookie2", HDR_SET_COOKIE2, ftStr), | |
127 | HttpHeaderFieldAttrs("TE", HDR_TE, ftStr), | |
128 | HttpHeaderFieldAttrs("Title", HDR_TITLE, ftStr), | |
129 | HttpHeaderFieldAttrs("Trailer", HDR_TRAILER, ftStr), | |
130 | HttpHeaderFieldAttrs("Transfer-Encoding", HDR_TRANSFER_ENCODING, ftStr), | |
131 | HttpHeaderFieldAttrs("Translate", HDR_TRANSLATE, ftStr), /* for now. may need to crop */ | |
132 | HttpHeaderFieldAttrs("Unless-Modified-Since", HDR_UNLESS_MODIFIED_SINCE, ftStr), /* for now ignore. may need to crop */ | |
133 | HttpHeaderFieldAttrs("Upgrade", HDR_UPGRADE, ftStr), /* for now */ | |
134 | HttpHeaderFieldAttrs("User-Agent", HDR_USER_AGENT, ftStr), | |
135 | HttpHeaderFieldAttrs("Vary", HDR_VARY, ftStr), /* for now */ | |
136 | HttpHeaderFieldAttrs("Via", HDR_VIA, ftStr), /* for now */ | |
137 | HttpHeaderFieldAttrs("Warning", HDR_WARNING, ftStr), /* for now */ | |
138 | HttpHeaderFieldAttrs("WWW-Authenticate", HDR_WWW_AUTHENTICATE, ftStr), | |
139 | HttpHeaderFieldAttrs("Authentication-Info", HDR_AUTHENTICATION_INFO, ftStr), | |
140 | HttpHeaderFieldAttrs("X-Cache", HDR_X_CACHE, ftStr), | |
141 | HttpHeaderFieldAttrs("X-Cache-Lookup", HDR_X_CACHE_LOOKUP, ftStr), | |
142 | HttpHeaderFieldAttrs("X-Forwarded-For", HDR_X_FORWARDED_FOR, ftStr), | |
143 | HttpHeaderFieldAttrs("X-Request-URI", HDR_X_REQUEST_URI, ftStr), | |
144 | HttpHeaderFieldAttrs("X-Squid-Error", HDR_X_SQUID_ERROR, ftStr), | |
f66a9ef4 | 145 | #if X_ACCELERATOR_VARY |
95cc1e3e | 146 | HttpHeaderFieldAttrs("X-Accelerator-Vary", HDR_X_ACCELERATOR_VARY, ftStr), |
a22e6cd3 AR |
147 | #endif |
148 | #if USE_ADAPTATION | |
95cc1e3e | 149 | HttpHeaderFieldAttrs("X-Next-Services", HDR_X_NEXT_SERVICES, ftStr), |
f66a9ef4 | 150 | #endif |
95cc1e3e FC |
151 | HttpHeaderFieldAttrs("Surrogate-Capability", HDR_SURROGATE_CAPABILITY, ftStr), |
152 | HttpHeaderFieldAttrs("Surrogate-Control", HDR_SURROGATE_CONTROL, ftPSc), | |
153 | HttpHeaderFieldAttrs("Front-End-Https", HDR_FRONT_END_HTTPS, ftStr), | |
154 | HttpHeaderFieldAttrs("FTP-Command", HDR_FTP_COMMAND, ftStr), | |
155 | HttpHeaderFieldAttrs("FTP-Arguments", HDR_FTP_ARGUMENTS, ftStr), | |
156 | HttpHeaderFieldAttrs("FTP-Pre", HDR_FTP_PRE, ftStr), | |
157 | HttpHeaderFieldAttrs("FTP-Status", HDR_FTP_STATUS, ftInt), | |
158 | HttpHeaderFieldAttrs("FTP-Reason", HDR_FTP_REASON, ftStr), | |
159 | HttpHeaderFieldAttrs("Other:", HDR_OTHER, ftStr) /* ':' will not allow matches */ | |
26ac0430 | 160 | }; |
62e76326 | 161 | |
de336bbe | 162 | static HttpHeaderFieldInfo *Headers = NULL; |
cb69b4c7 | 163 | |
e6ccf245 | 164 | http_hdr_type &operator++ (http_hdr_type &aHeader) |
165 | { | |
1f1ae50a | 166 | int tmp = (int)aHeader; |
167 | aHeader = (http_hdr_type)(++tmp); | |
e6ccf245 | 168 | return aHeader; |
169 | } | |
170 | ||
cb69b4c7 | 171 | /* |
172 | * headers with field values defined as #(values) in HTTP/1.1 | |
d8b249ef | 173 | * Headers that are currently not recognized, are commented out. |
cb69b4c7 | 174 | */ |
f53969cc | 175 | static HttpHeaderMask ListHeadersMask; /* set run-time using ListHeadersArr */ |
26ac0430 AJ |
176 | static http_hdr_type ListHeadersArr[] = { |
177 | HDR_ACCEPT, | |
16d3204a AJ |
178 | HDR_ACCEPT_CHARSET, |
179 | HDR_ACCEPT_ENCODING, | |
180 | HDR_ACCEPT_LANGUAGE, | |
181 | HDR_ACCEPT_RANGES, | |
182 | HDR_ALLOW, | |
26ac0430 AJ |
183 | HDR_CACHE_CONTROL, |
184 | HDR_CONTENT_ENCODING, | |
185 | HDR_CONTENT_LANGUAGE, | |
186 | HDR_CONNECTION, | |
52b601ff | 187 | HDR_EXPECT, |
16d3204a AJ |
188 | HDR_IF_MATCH, |
189 | HDR_IF_NONE_MATCH, | |
a0a17114 | 190 | HDR_KEY, |
16d3204a AJ |
191 | HDR_LINK, |
192 | HDR_PRAGMA, | |
26ac0430 AJ |
193 | HDR_PROXY_CONNECTION, |
194 | HDR_PROXY_SUPPORT, | |
195 | HDR_TRANSFER_ENCODING, | |
196 | HDR_UPGRADE, | |
197 | HDR_VARY, | |
198 | HDR_VIA, | |
c679653d | 199 | HDR_WARNING, |
26ac0430 AJ |
200 | HDR_WWW_AUTHENTICATE, |
201 | HDR_AUTHENTICATION_INFO, | |
202 | HDR_PROXY_AUTHENTICATION_INFO, | |
52b601ff | 203 | /* HDR_TE, HDR_TRAILER */ |
f66a9ef4 | 204 | #if X_ACCELERATOR_VARY |
26ac0430 | 205 | HDR_X_ACCELERATOR_VARY, |
a22e6cd3 AR |
206 | #endif |
207 | #if USE_ADAPTATION | |
208 | HDR_X_NEXT_SERVICES, | |
f66a9ef4 | 209 | #endif |
26ac0430 AJ |
210 | HDR_SURROGATE_CAPABILITY, |
211 | HDR_SURROGATE_CONTROL, | |
01498915 | 212 | HDR_FORWARDED, |
26ac0430 AJ |
213 | HDR_X_FORWARDED_FOR |
214 | }; | |
99edd1c3 | 215 | |
216 | /* general-headers */ | |
26ac0430 | 217 | static http_hdr_type GeneralHeadersArr[] = { |
16d3204a AJ |
218 | HDR_CACHE_CONTROL, |
219 | HDR_CONNECTION, | |
220 | HDR_DATE, | |
221 | HDR_FORWARDED, | |
222 | HDR_X_FORWARDED_FOR, | |
223 | HDR_MIME_VERSION, | |
224 | HDR_PRAGMA, | |
225 | HDR_PROXY_CONNECTION, | |
26ac0430 AJ |
226 | HDR_TRANSFER_ENCODING, |
227 | HDR_UPGRADE, | |
228 | /* HDR_TRAILER, */ | |
229 | HDR_VIA, | |
230 | }; | |
99edd1c3 | 231 | |
232 | /* entity-headers */ | |
26ac0430 | 233 | static http_hdr_type EntityHeadersArr[] = { |
16d3204a AJ |
234 | HDR_ALLOW, |
235 | HDR_CONTENT_BASE, | |
236 | HDR_CONTENT_ENCODING, | |
237 | HDR_CONTENT_LANGUAGE, | |
238 | HDR_CONTENT_LENGTH, | |
239 | HDR_CONTENT_LOCATION, | |
240 | HDR_CONTENT_MD5, | |
241 | HDR_CONTENT_RANGE, | |
242 | HDR_CONTENT_TYPE, | |
243 | HDR_ETAG, | |
244 | HDR_EXPIRES, | |
245 | HDR_LAST_MODIFIED, | |
246 | HDR_LINK, | |
26ac0430 AJ |
247 | HDR_OTHER |
248 | }; | |
cb69b4c7 | 249 | |
16d3204a | 250 | /* request-only headers */ |
f53969cc | 251 | static HttpHeaderMask RequestHeadersMask; /* set run-time using RequestHeaders */ |
16d3204a AJ |
252 | static http_hdr_type RequestHeadersArr[] = { |
253 | HDR_ACCEPT, | |
254 | HDR_ACCEPT_CHARSET, | |
255 | HDR_ACCEPT_ENCODING, | |
256 | HDR_ACCEPT_LANGUAGE, | |
257 | HDR_AUTHORIZATION, | |
258 | HDR_EXPECT, | |
259 | HDR_FROM, | |
260 | HDR_HOST, | |
261 | HDR_HTTP2_SETTINGS, | |
262 | HDR_IF_MATCH, | |
263 | HDR_IF_MODIFIED_SINCE, | |
264 | HDR_IF_NONE_MATCH, | |
265 | HDR_IF_RANGE, | |
266 | HDR_IF_UNMODIFIED_SINCE, | |
267 | HDR_MAX_FORWARDS, | |
268 | HDR_ORIGIN, | |
269 | HDR_PROXY_AUTHORIZATION, | |
270 | HDR_RANGE, | |
271 | HDR_REFERER, | |
272 | HDR_REQUEST_RANGE, | |
273 | HDR_TE, | |
274 | HDR_USER_AGENT, | |
275 | HDR_SURROGATE_CAPABILITY | |
276 | }; | |
277 | ||
278 | /* reply-only headers */ | |
f53969cc | 279 | static HttpHeaderMask ReplyHeadersMask; /* set run-time using ReplyHeaders */ |
26ac0430 | 280 | static http_hdr_type ReplyHeadersArr[] = { |
16d3204a AJ |
281 | HDR_ACCEPT_ENCODING, |
282 | HDR_ACCEPT_RANGES, | |
283 | HDR_AGE, | |
a0a17114 | 284 | HDR_KEY, |
16d3204a AJ |
285 | HDR_LOCATION, |
286 | HDR_PROXY_AUTHENTICATE, | |
287 | HDR_PUBLIC, | |
288 | HDR_RETRY_AFTER, | |
289 | HDR_SERVER, | |
290 | HDR_SET_COOKIE, | |
291 | HDR_SET_COOKIE2, | |
26ac0430 | 292 | HDR_VARY, |
16d3204a AJ |
293 | HDR_WARNING, |
294 | HDR_WWW_AUTHENTICATE, | |
295 | HDR_X_CACHE, | |
26ac0430 AJ |
296 | HDR_X_CACHE_LOOKUP, |
297 | HDR_X_REQUEST_URI, | |
f66a9ef4 | 298 | #if X_ACCELERATOR_VARY |
26ac0430 | 299 | HDR_X_ACCELERATOR_VARY, |
a22e6cd3 AR |
300 | #endif |
301 | #if USE_ADAPTATION | |
302 | HDR_X_NEXT_SERVICES, | |
f66a9ef4 | 303 | #endif |
26ac0430 AJ |
304 | HDR_X_SQUID_ERROR, |
305 | HDR_SURROGATE_CONTROL | |
306 | }; | |
cb69b4c7 | 307 | |
16d3204a | 308 | /* hop-by-hop headers */ |
dcf3665b | 309 | static HttpHeaderMask HopByHopHeadersMask; |
26ac0430 | 310 | static http_hdr_type HopByHopHeadersArr[] = { |
ec9d1de5 | 311 | HDR_ALTERNATE_PROTOCOL, |
16d3204a AJ |
312 | HDR_CONNECTION, |
313 | HDR_HTTP2_SETTINGS, | |
314 | HDR_KEEP_ALIVE, | |
315 | /*HDR_PROXY_AUTHENTICATE, // removal handled specially for peer login */ | |
316 | HDR_PROXY_AUTHORIZATION, | |
317 | HDR_TE, | |
318 | HDR_TRAILER, | |
319 | HDR_TRANSFER_ENCODING, | |
320 | HDR_UPGRADE, | |
321 | HDR_PROXY_CONNECTION | |
26ac0430 | 322 | }; |
2cdeea82 | 323 | |
12cf1be2 | 324 | /* header accounting */ |
26735116 | 325 | // NP: keep in sync with enum http_hdr_owner_type |
26ac0430 | 326 | static HttpHeaderStat HttpHeaderStats[] = { |
95cc1e3e | 327 | HttpHeaderStat(/*hoNone*/ "all", NULL), |
9f4d4f65 | 328 | #if USE_HTCP |
95cc1e3e | 329 | HttpHeaderStat(/*hoHtcpReply*/ "HTCP reply", &ReplyHeadersMask), |
9f4d4f65 | 330 | #endif |
95cc1e3e FC |
331 | HttpHeaderStat(/*hoRequest*/ "request", &RequestHeadersMask), |
332 | HttpHeaderStat(/*hoReply*/ "reply", &ReplyHeadersMask) | |
26735116 AJ |
333 | #if USE_OPENSSL |
334 | /* hoErrorDetail */ | |
335 | #endif | |
336 | /* hoEnd */ | |
26ac0430 | 337 | }; |
9bea1d5b | 338 | static int HttpHeaderStatCount = countof(HttpHeaderStats); |
12cf1be2 | 339 | |
7faf2bdb | 340 | static int HeaderEntryParsedCount = 0; |
cb69b4c7 | 341 | |
12cf1be2 | 342 | /* |
f734cda2 | 343 | * forward declarations and local routines |
12cf1be2 | 344 | */ |
cb69b4c7 | 345 | |
f734cda2 | 346 | class StoreEntry; |
cb69b4c7 | 347 | #define assert_eid(id) assert((id) >= 0 && (id) < HDR_ENUM_END) |
348 | ||
30abd221 | 349 | static void httpHeaderNoteParsedEntry(http_hdr_type id, String const &value, int error); |
cb69b4c7 | 350 | |
9bea1d5b | 351 | static void httpHeaderStatDump(const HttpHeaderStat * hs, StoreEntry * e); |
7c525cc2 | 352 | |
f734cda2 FC |
353 | /** store report about current header usage and other stats */ |
354 | static void httpHeaderStoreReport(StoreEntry * e); | |
355 | ||
cb69b4c7 | 356 | /* |
357 | * Module initialization routines | |
358 | */ | |
359 | ||
6b7d87bb FC |
360 | static void |
361 | httpHeaderRegisterWithCacheManager(void) | |
362 | { | |
8822ebee | 363 | Mgr::RegisterAction("http_headers", |
d9fc6862 A |
364 | "HTTP Header Statistics", |
365 | httpHeaderStoreReport, 0, 1); | |
6b7d87bb FC |
366 | } |
367 | ||
cb69b4c7 | 368 | void |
9bea1d5b | 369 | httpHeaderInitModule(void) |
cb69b4c7 | 370 | { |
9bea1d5b | 371 | /* check that we have enough space for masks */ |
372 | assert(8 * sizeof(HttpHeaderMask) >= HDR_ENUM_END); | |
373 | /* all headers must be described */ | |
374 | assert(countof(HeadersAttrs) == HDR_ENUM_END); | |
62e76326 | 375 | |
9bea1d5b | 376 | if (!Headers) |
62e76326 | 377 | Headers = httpHeaderBuildFieldsInfo(HeadersAttrs, HDR_ENUM_END); |
378 | ||
9bea1d5b | 379 | /* create masks */ |
380 | httpHeaderMaskInit(&ListHeadersMask, 0); | |
8abf232c | 381 | httpHeaderCalcMask(&ListHeadersMask, ListHeadersArr, countof(ListHeadersArr)); |
62e76326 | 382 | |
9bea1d5b | 383 | httpHeaderMaskInit(&ReplyHeadersMask, 0); |
8abf232c | 384 | httpHeaderCalcMask(&ReplyHeadersMask, ReplyHeadersArr, countof(ReplyHeadersArr)); |
8abf232c | 385 | httpHeaderCalcMask(&ReplyHeadersMask, GeneralHeadersArr, countof(GeneralHeadersArr)); |
8abf232c | 386 | httpHeaderCalcMask(&ReplyHeadersMask, EntityHeadersArr, countof(EntityHeadersArr)); |
62e76326 | 387 | |
9bea1d5b | 388 | httpHeaderMaskInit(&RequestHeadersMask, 0); |
8abf232c | 389 | httpHeaderCalcMask(&RequestHeadersMask, RequestHeadersArr, countof(RequestHeadersArr)); |
8abf232c | 390 | httpHeaderCalcMask(&RequestHeadersMask, GeneralHeadersArr, countof(GeneralHeadersArr)); |
8abf232c | 391 | httpHeaderCalcMask(&RequestHeadersMask, EntityHeadersArr, countof(EntityHeadersArr)); |
62e76326 | 392 | |
c90e2fcb | 393 | httpHeaderMaskInit(&HopByHopHeadersMask, 0); |
dcf3665b AJ |
394 | httpHeaderCalcMask(&HopByHopHeadersMask, HopByHopHeadersArr, countof(HopByHopHeadersArr)); |
395 | ||
26735116 | 396 | /* header stats initialized by class constructor */ |
9bea1d5b | 397 | assert(HttpHeaderStatCount == hoReply + 1); |
16d3204a | 398 | |
9bea1d5b | 399 | /* init dependent modules */ |
400 | httpHdrCcInitModule(); | |
43ae1d95 | 401 | httpHdrScInitModule(); |
ea391f18 FC |
402 | |
403 | httpHeaderRegisterWithCacheManager(); | |
62ee09ca | 404 | } |
43ae1d95 | 405 | |
7021844c | 406 | void |
9bea1d5b | 407 | httpHeaderCleanModule(void) |
7021844c | 408 | { |
9bea1d5b | 409 | httpHeaderDestroyFieldsInfo(Headers, HDR_ENUM_END); |
410 | Headers = NULL; | |
411 | httpHdrCcCleanModule(); | |
43ae1d95 | 412 | httpHdrScCleanModule(); |
7021844c | 413 | } |
414 | ||
cb69b4c7 | 415 | /* |
416 | * HttpHeader Implementation | |
417 | */ | |
418 | ||
75faaa7a | 419 | HttpHeader::HttpHeader() : owner (hoNone), len (0) |
cb69b4c7 | 420 | { |
75faaa7a | 421 | httpHeaderMaskInit(&mask, 0); |
422 | } | |
423 | ||
5e5fa5b1 | 424 | HttpHeader::HttpHeader(const http_hdr_owner_type anOwner): owner(anOwner), len(0) |
75faaa7a | 425 | { |
02259ff8 | 426 | assert(anOwner > hoNone && anOwner < hoEnd); |
efc26e8e | 427 | debugs(55, 7, "init-ing hdr: " << this << " owner: " << owner); |
75faaa7a | 428 | httpHeaderMaskInit(&mask, 0); |
429 | } | |
430 | ||
5e5fa5b1 AR |
431 | HttpHeader::HttpHeader(const HttpHeader &other): owner(other.owner), len(other.len) |
432 | { | |
433 | httpHeaderMaskInit(&mask, 0); | |
434 | update(&other, NULL); // will update the mask as well | |
435 | } | |
436 | ||
75faaa7a | 437 | HttpHeader::~HttpHeader() |
438 | { | |
519e0948 | 439 | clean(); |
cb69b4c7 | 440 | } |
441 | ||
5e5fa5b1 AR |
442 | HttpHeader & |
443 | HttpHeader::operator =(const HttpHeader &other) | |
444 | { | |
445 | if (this != &other) { | |
446 | // we do not really care, but the caller probably does | |
447 | assert(owner == other.owner); | |
448 | clean(); | |
449 | update(&other, NULL); // will update the mask as well | |
450 | len = other.len; | |
451 | } | |
452 | return *this; | |
453 | } | |
454 | ||
cb69b4c7 | 455 | void |
519e0948 | 456 | HttpHeader::clean() |
cb69b4c7 | 457 | { |
9bea1d5b | 458 | |
02259ff8 | 459 | assert(owner > hoNone && owner < hoEnd); |
efc26e8e | 460 | debugs(55, 7, "cleaning hdr: " << this << " owner: " << owner); |
9bea1d5b | 461 | |
3a9cf2d5 | 462 | PROF_start(HttpHeaderClean); |
463 | ||
0de73a38 | 464 | if (owner <= hoReply) { |
c594d76c A |
465 | /* |
466 | * An unfortunate bug. The entries array is initialized | |
467 | * such that count is set to zero. httpHeaderClean() seems to | |
468 | * be called both when 'hdr' is created, and destroyed. Thus, | |
469 | * we accumulate a large number of zero counts for 'hdr' before | |
470 | * it is ever used. Can't think of a good way to fix it, except | |
471 | * adding a state variable that indicates whether or not 'hdr' | |
472 | * has been used. As a hack, just never count zero-sized header | |
473 | * arrays. | |
474 | */ | |
4c9eadc2 FC |
475 | if (!entries.empty()) |
476 | HttpHeaderStats[owner].hdrUCountDistr.count(entries.size()); | |
51328da8 | 477 | |
95dc7ff4 | 478 | ++ HttpHeaderStats[owner].destroyedCount; |
51328da8 | 479 | |
4c9eadc2 | 480 | HttpHeaderStats[owner].busyDestroyedCount += entries.size() > 0; |
0de73a38 | 481 | } // if (owner <= hoReply) |
62e76326 | 482 | |
6fda1515 FC |
483 | for (std::vector<HttpHeaderEntry *>::iterator i = entries.begin(); i != entries.end(); ++i) { |
484 | HttpHeaderEntry *e = *i; | |
485 | if (e == NULL) | |
486 | continue; | |
c594d76c | 487 | if (e->id < 0 || e->id >= HDR_ENUM_END) { |
6fda1515 | 488 | debugs(55, DBG_CRITICAL, "BUG: invalid entry (" << e->id << "). Ignored."); |
c594d76c A |
489 | } else { |
490 | if (owner <= hoReply) | |
f30f7998 | 491 | HttpHeaderStats[owner].fieldTypeDistr.count(e->id); |
c594d76c | 492 | delete e; |
62e76326 | 493 | } |
c594d76c | 494 | } |
6fda1515 | 495 | |
c33a88ca | 496 | entries.clear(); |
519e0948 | 497 | httpHeaderMaskInit(&mask, 0); |
5e5fa5b1 | 498 | len = 0; |
3a9cf2d5 | 499 | PROF_stop(HttpHeaderClean); |
cb69b4c7 | 500 | } |
501 | ||
2246b732 | 502 | /* append entries (also see httpHeaderUpdate) */ |
503 | void | |
a9925b40 | 504 | HttpHeader::append(const HttpHeader * src) |
2246b732 | 505 | { |
9bea1d5b | 506 | const HttpHeaderEntry *e; |
507 | HttpHeaderPos pos = HttpHeaderInitPos; | |
a9925b40 | 508 | assert(src); |
509 | assert(src != this); | |
efc26e8e | 510 | debugs(55, 7, "appending hdr: " << this << " += " << src); |
9bea1d5b | 511 | |
a9925b40 | 512 | while ((e = src->getEntry(&pos))) { |
eede25e7 | 513 | addEntry(e->clone()); |
2246b732 | 514 | } |
515 | } | |
516 | ||
d8b249ef | 517 | /* use fresh entries to replace old ones */ |
cb69b4c7 | 518 | void |
9bea1d5b | 519 | httpHeaderUpdate(HttpHeader * old, const HttpHeader * fresh, const HttpHeaderMask * denied_mask) |
924f73bc | 520 | { |
521 | assert (old); | |
522 | old->update (fresh, denied_mask); | |
523 | } | |
524 | ||
525 | void | |
526 | HttpHeader::update (HttpHeader const *fresh, HttpHeaderMask const *denied_mask) | |
cb69b4c7 | 527 | { |
9bea1d5b | 528 | const HttpHeaderEntry *e; |
529 | HttpHeaderPos pos = HttpHeaderInitPos; | |
a9925b40 | 530 | assert(fresh); |
924f73bc | 531 | assert(this != fresh); |
9bea1d5b | 532 | |
a9925b40 | 533 | while ((e = fresh->getEntry(&pos))) { |
62e76326 | 534 | /* deny bad guys (ok to check for HDR_OTHER) here */ |
535 | ||
536 | if (denied_mask && CBIT_TEST(*denied_mask, e->id)) | |
537 | continue; | |
538 | ||
ba9fb01d | 539 | if (e->id != HDR_OTHER) |
540 | delById(e->id); | |
541 | else | |
9d7a89a5 | 542 | delByName(e->name.termedBuf()); |
9917847f | 543 | } |
544 | ||
545 | pos = HttpHeaderInitPos; | |
546 | while ((e = fresh->getEntry(&pos))) { | |
547 | /* deny bad guys (ok to check for HDR_OTHER) here */ | |
548 | ||
549 | if (denied_mask && CBIT_TEST(*denied_mask, e->id)) | |
550 | continue; | |
551 | ||
552 | debugs(55, 7, "Updating header '" << HeadersAttrs[e->id].name << "' in cached entry"); | |
62e76326 | 553 | |
eede25e7 | 554 | addEntry(e->clone()); |
cb69b4c7 | 555 | } |
cb69b4c7 | 556 | } |
557 | ||
558 | /* just handy in parsing: resets and returns false */ | |
9f4d4f65 | 559 | int |
a9925b40 | 560 | HttpHeader::reset() |
2ac76861 | 561 | { |
a9925b40 | 562 | clean(); |
9bea1d5b | 563 | return 0; |
cb69b4c7 | 564 | } |
565 | ||
cb69b4c7 | 566 | int |
784619e6 | 567 | HttpHeader::parse(const char *header_start, size_t hdrLen) |
cb69b4c7 | 568 | { |
52d3f198 | 569 | const char *field_ptr = header_start; |
784619e6 | 570 | const char *header_end = header_start + hdrLen; // XXX: remove |
52d3f198 | 571 | HttpHeaderEntry *e, *e2; |
56cd29e6 | 572 | int warnOnError = (Config.onoff.relaxed_header_parser <= 0 ? DBG_IMPORTANT : 2); |
9bea1d5b | 573 | |
3a9cf2d5 | 574 | PROF_start(HttpHeaderParse); |
575 | ||
9bea1d5b | 576 | assert(header_start && header_end); |
81858ebc | 577 | debugs(55, 7, "parsing hdr: (" << this << ")" << std::endl << getStringPrefix(header_start, hdrLen)); |
95dc7ff4 | 578 | ++ HttpHeaderStats[owner].parsedCount; |
62e76326 | 579 | |
1d8a896b | 580 | char *nulpos; |
784619e6 | 581 | if ((nulpos = (char*)memchr(header_start, '\0', hdrLen))) { |
e0236918 | 582 | debugs(55, DBG_IMPORTANT, "WARNING: HTTP header contains NULL characters {" << |
81858ebc | 583 | getStringPrefix(header_start, nulpos-header_start) << "}\nNULL\n{" << getStringPrefix(nulpos+1, hdrLen-(nulpos-header_start)-1)); |
6d7bc97b AJ |
584 | PROF_stop(HttpHeaderParse); |
585 | return reset(); | |
52d3f198 | 586 | } |
587 | ||
588 | /* common format headers are "<name>:[ws]<value>" lines delimited by <CRLF>. | |
589 | * continuation lines start with a (single) space or tab */ | |
590 | while (field_ptr < header_end) { | |
591 | const char *field_start = field_ptr; | |
62e76326 | 592 | const char *field_end; |
62e76326 | 593 | |
594 | do { | |
52d3f198 | 595 | const char *this_line = field_ptr; |
596 | field_ptr = (const char *)memchr(field_ptr, '\n', header_end - field_ptr); | |
597 | ||
6d7bc97b AJ |
598 | if (!field_ptr) { |
599 | // missing <LF> | |
600 | PROF_stop(HttpHeaderParse); | |
601 | return reset(); | |
602 | } | |
52d3f198 | 603 | |
604 | field_end = field_ptr; | |
605 | ||
f53969cc | 606 | ++field_ptr; /* Move to next line */ |
52d3f198 | 607 | |
608 | if (field_end > this_line && field_end[-1] == '\r') { | |
f53969cc | 609 | --field_end; /* Ignore CR LF */ |
52d3f198 | 610 | |
e10272fc AR |
611 | if (owner == hoRequest && field_end > this_line) { |
612 | bool cr_only = true; | |
613 | for (const char *p = this_line; p < field_end && cr_only; ++p) { | |
614 | if (*p != '\r') | |
615 | cr_only = false; | |
616 | } | |
617 | if (cr_only) { | |
6e09ed7b | 618 | debugs(55, DBG_IMPORTANT, "SECURITY WARNING: Rejecting HTTP request with a CR+ " |
e10272fc | 619 | "header field to prevent request smuggling attacks: {" << |
81858ebc | 620 | getStringPrefix(header_start, hdrLen) << "}"); |
6d7bc97b AJ |
621 | PROF_stop(HttpHeaderParse); |
622 | return reset(); | |
e10272fc | 623 | } |
52d3f198 | 624 | } |
625 | } | |
626 | ||
627 | /* Barf on stray CR characters */ | |
628 | if (memchr(this_line, '\r', field_end - this_line)) { | |
6e09ed7b | 629 | debugs(55, warnOnError, "WARNING: suspicious CR characters in HTTP header {" << |
81858ebc | 630 | getStringPrefix(field_start, field_end-field_start) << "}"); |
52d3f198 | 631 | |
632 | if (Config.onoff.relaxed_header_parser) { | |
f53969cc | 633 | char *p = (char *) this_line; /* XXX Warning! This destroys original header content and violates specifications somewhat */ |
52d3f198 | 634 | |
a38ec4b1 FC |
635 | while ((p = (char *)memchr(p, '\r', field_end - p)) != NULL) { |
636 | *p = ' '; | |
637 | ++p; | |
638 | } | |
6d7bc97b AJ |
639 | } else { |
640 | PROF_stop(HttpHeaderParse); | |
641 | return reset(); | |
642 | } | |
52d3f198 | 643 | } |
644 | ||
645 | if (this_line + 1 == field_end && this_line > field_start) { | |
6e09ed7b | 646 | debugs(55, warnOnError, "WARNING: Blank continuation line in HTTP header {" << |
81858ebc | 647 | getStringPrefix(header_start, hdrLen) << "}"); |
6d7bc97b AJ |
648 | PROF_stop(HttpHeaderParse); |
649 | return reset(); | |
52d3f198 | 650 | } |
651 | } while (field_ptr < header_end && (*field_ptr == ' ' || *field_ptr == '\t')); | |
652 | ||
653 | if (field_start == field_end) { | |
654 | if (field_ptr < header_end) { | |
6e09ed7b | 655 | debugs(55, warnOnError, "WARNING: unparseable HTTP header field near {" << |
81858ebc | 656 | getStringPrefix(field_start, hdrLen-(field_start-header_start)) << "}"); |
6d7bc97b AJ |
657 | PROF_stop(HttpHeaderParse); |
658 | return reset(); | |
52d3f198 | 659 | } |
660 | ||
f53969cc | 661 | break; /* terminating blank line */ |
52d3f198 | 662 | } |
62e76326 | 663 | |
cdce6c61 | 664 | if ((e = HttpHeaderEntry::parse(field_start, field_end)) == NULL) { |
6e09ed7b | 665 | debugs(55, warnOnError, "WARNING: unparseable HTTP header field {" << |
81858ebc AJ |
666 | getStringPrefix(field_start, field_end-field_start) << "}"); |
667 | debugs(55, warnOnError, " in {" << getStringPrefix(header_start, hdrLen) << "}"); | |
52d3f198 | 668 | |
669 | if (Config.onoff.relaxed_header_parser) | |
670 | continue; | |
6e09ed7b | 671 | |
6d7bc97b AJ |
672 | PROF_stop(HttpHeaderParse); |
673 | return reset(); | |
47ac2ebe | 674 | } |
62e76326 | 675 | |
a9925b40 | 676 | if (e->id == HDR_CONTENT_LENGTH && (e2 = findEntry(e->id)) != NULL) { |
9d7a89a5 | 677 | if (e->value != e2->value) { |
3e62bd58 | 678 | int64_t l1, l2; |
6e09ed7b | 679 | debugs(55, warnOnError, "WARNING: found two conflicting content-length headers in {" << |
81858ebc | 680 | getStringPrefix(header_start, hdrLen) << "}"); |
9331e4b4 | 681 | |
682 | if (!Config.onoff.relaxed_header_parser) { | |
eede25e7 | 683 | delete e; |
6d7bc97b AJ |
684 | PROF_stop(HttpHeaderParse); |
685 | return reset(); | |
9331e4b4 | 686 | } |
687 | ||
9d7a89a5 | 688 | if (!httpHeaderParseOffset(e->value.termedBuf(), &l1)) { |
e0236918 | 689 | debugs(55, DBG_IMPORTANT, "WARNING: Unparseable content-length '" << e->value << "'"); |
eede25e7 | 690 | delete e; |
9331e4b4 | 691 | continue; |
9d7a89a5 | 692 | } else if (!httpHeaderParseOffset(e2->value.termedBuf(), &l2)) { |
e0236918 | 693 | debugs(55, DBG_IMPORTANT, "WARNING: Unparseable content-length '" << e2->value << "'"); |
a9925b40 | 694 | delById(e2->id); |
9331e4b4 | 695 | } else if (l1 > l2) { |
a9925b40 | 696 | delById(e2->id); |
9331e4b4 | 697 | } else { |
eede25e7 | 698 | delete e; |
9331e4b4 | 699 | continue; |
700 | } | |
52d3f198 | 701 | } else { |
6e09ed7b AJ |
702 | debugs(55, warnOnError, "NOTICE: found double content-length header"); |
703 | delete e; | |
b3123159 | 704 | |
6e09ed7b | 705 | if (Config.onoff.relaxed_header_parser) |
b3123159 | 706 | continue; |
6e09ed7b | 707 | |
6d7bc97b AJ |
708 | PROF_stop(HttpHeaderParse); |
709 | return reset(); | |
52d3f198 | 710 | } |
711 | } | |
62e76326 | 712 | |
9d7a89a5 | 713 | if (e->id == HDR_OTHER && stringHasWhitespace(e->name.termedBuf())) { |
6e09ed7b | 714 | debugs(55, warnOnError, "WARNING: found whitespace in HTTP header name {" << |
81858ebc | 715 | getStringPrefix(field_start, field_end-field_start) << "}"); |
47ac2ebe | 716 | |
52d3f198 | 717 | if (!Config.onoff.relaxed_header_parser) { |
eede25e7 | 718 | delete e; |
6d7bc97b AJ |
719 | PROF_stop(HttpHeaderParse); |
720 | return reset(); | |
52d3f198 | 721 | } |
722 | } | |
62e76326 | 723 | |
a9925b40 | 724 | addEntry(e); |
cb69b4c7 | 725 | } |
62e76326 | 726 | |
c3d0ba0c AR |
727 | if (chunked()) { |
728 | // RFC 2616 section 4.4: ignore Content-Length with Transfer-Encoding | |
729 | delById(HDR_CONTENT_LENGTH); | |
730 | } | |
731 | ||
3a9cf2d5 | 732 | PROF_stop(HttpHeaderParse); |
f53969cc | 733 | return 1; /* even if no fields where found, it is a valid header */ |
cb69b4c7 | 734 | } |
735 | ||
99edd1c3 | 736 | /* packs all the entries using supplied packer */ |
cb69b4c7 | 737 | void |
d8f6c79c | 738 | HttpHeader::packInto(Packer * p, bool mask_sensitive_info) const |
cb69b4c7 | 739 | { |
9bea1d5b | 740 | HttpHeaderPos pos = HttpHeaderInitPos; |
741 | const HttpHeaderEntry *e; | |
a9925b40 | 742 | assert(p); |
3cc0f4e7 AR |
743 | debugs(55, 7, this << " into " << p << |
744 | (mask_sensitive_info ? " while masking" : "")); | |
9bea1d5b | 745 | /* pack all entries one by one */ |
d8f6c79c FC |
746 | while ((e = getEntry(&pos))) { |
747 | if (!mask_sensitive_info) { | |
748 | e->packInto(p); | |
749 | continue; | |
750 | } | |
3cc0f4e7 AR |
751 | |
752 | bool maskThisEntry = false; | |
d8f6c79c | 753 | switch (e->id) { |
d3823ea7 A |
754 | case HDR_AUTHORIZATION: |
755 | case HDR_PROXY_AUTHORIZATION: | |
3cc0f4e7 | 756 | maskThisEntry = true; |
d3823ea7 | 757 | break; |
3cc0f4e7 AR |
758 | |
759 | case HDR_FTP_ARGUMENTS: | |
760 | if (const HttpHeaderEntry *cmd = findEntry(HDR_FTP_COMMAND)) | |
761 | maskThisEntry = (cmd->value == "PASS"); | |
762 | break; | |
763 | ||
d3823ea7 | 764 | default: |
d3823ea7 | 765 | break; |
d8f6c79c | 766 | } |
3cc0f4e7 AR |
767 | if (maskThisEntry) { |
768 | packerAppend(p, e->name.rawBuf(), e->name.size()); | |
769 | packerAppend(p, ": ** NOT DISPLAYED **\r\n", 23); | |
770 | } else { | |
771 | e->packInto(p); | |
772 | } | |
773 | ||
d8f6c79c | 774 | } |
35b88ed2 | 775 | /* Pack in the "special" entries */ |
776 | ||
777 | /* Cache-Control */ | |
cb69b4c7 | 778 | } |
779 | ||
780 | /* returns next valid entry */ | |
99edd1c3 | 781 | HttpHeaderEntry * |
a9925b40 | 782 | HttpHeader::getEntry(HttpHeaderPos * pos) const |
cb69b4c7 | 783 | { |
a9925b40 | 784 | assert(pos); |
c0abe2ec | 785 | assert(*pos >= HttpHeaderInitPos && *pos < static_cast<ssize_t>(entries.size())); |
62e76326 | 786 | |
c0abe2ec | 787 | for (++(*pos); *pos < static_cast<ssize_t>(entries.size()); ++(*pos)) { |
4c9eadc2 | 788 | if (entries[*pos]) |
c0abe2ec | 789 | return static_cast<HttpHeaderEntry*>(entries[*pos]); |
cb69b4c7 | 790 | } |
62e76326 | 791 | |
9bea1d5b | 792 | return NULL; |
cb69b4c7 | 793 | } |
794 | ||
795 | /* | |
26ac0430 | 796 | * returns a pointer to a specified entry if any |
d8b249ef | 797 | * note that we return one entry so it does not make much sense to ask for |
798 | * "list" headers | |
cb69b4c7 | 799 | */ |
de336bbe | 800 | HttpHeaderEntry * |
a9925b40 | 801 | HttpHeader::findEntry(http_hdr_type id) const |
cb69b4c7 | 802 | { |
9bea1d5b | 803 | HttpHeaderPos pos = HttpHeaderInitPos; |
804 | HttpHeaderEntry *e; | |
9bea1d5b | 805 | assert_eid(id); |
806 | assert(!CBIT_TEST(ListHeadersMask, id)); | |
807 | ||
808 | /* check mask first */ | |
62e76326 | 809 | |
a9925b40 | 810 | if (!CBIT_TEST(mask, id)) |
62e76326 | 811 | return NULL; |
812 | ||
9bea1d5b | 813 | /* looks like we must have it, do linear search */ |
a9925b40 | 814 | while ((e = getEntry(&pos))) { |
62e76326 | 815 | if (e->id == id) |
816 | return e; | |
cb69b4c7 | 817 | } |
62e76326 | 818 | |
9bea1d5b | 819 | /* hm.. we thought it was there, but it was not found */ |
820 | assert(0); | |
62e76326 | 821 | |
f53969cc | 822 | return NULL; /* not reached */ |
cb69b4c7 | 823 | } |
824 | ||
a622fff0 | 825 | /* |
826 | * same as httpHeaderFindEntry | |
827 | */ | |
a9925b40 | 828 | HttpHeaderEntry * |
829 | HttpHeader::findLastEntry(http_hdr_type id) const | |
a622fff0 | 830 | { |
9bea1d5b | 831 | HttpHeaderPos pos = HttpHeaderInitPos; |
832 | HttpHeaderEntry *e; | |
833 | HttpHeaderEntry *result = NULL; | |
9bea1d5b | 834 | assert_eid(id); |
835 | assert(!CBIT_TEST(ListHeadersMask, id)); | |
836 | ||
837 | /* check mask first */ | |
62e76326 | 838 | |
a9925b40 | 839 | if (!CBIT_TEST(mask, id)) |
62e76326 | 840 | return NULL; |
841 | ||
9bea1d5b | 842 | /* looks like we must have it, do linear search */ |
a9925b40 | 843 | while ((e = getEntry(&pos))) { |
62e76326 | 844 | if (e->id == id) |
845 | result = e; | |
a622fff0 | 846 | } |
62e76326 | 847 | |
f53969cc | 848 | assert(result); /* must be there! */ |
9bea1d5b | 849 | return result; |
a622fff0 | 850 | } |
851 | ||
cb69b4c7 | 852 | /* |
26ac0430 | 853 | * deletes all fields with a given name if any, returns #fields deleted; |
cb69b4c7 | 854 | */ |
2ac76861 | 855 | int |
a9925b40 | 856 | HttpHeader::delByName(const char *name) |
cb69b4c7 | 857 | { |
9bea1d5b | 858 | int count = 0; |
859 | HttpHeaderPos pos = HttpHeaderInitPos; | |
860 | HttpHeaderEntry *e; | |
f53969cc | 861 | httpHeaderMaskInit(&mask, 0); /* temporal inconsistency */ |
efc26e8e | 862 | debugs(55, 9, "deleting '" << name << "' fields in hdr " << this); |
62e76326 | 863 | |
a9925b40 | 864 | while ((e = getEntry(&pos))) { |
30abd221 | 865 | if (!e->name.caseCmp(name)) |
ba9fb01d | 866 | delAt(pos, count); |
867 | else | |
a9925b40 | 868 | CBIT_SET(mask, e->id); |
cb69b4c7 | 869 | } |
62e76326 | 870 | |
9bea1d5b | 871 | return count; |
cb69b4c7 | 872 | } |
873 | ||
2246b732 | 874 | /* deletes all entries with a given id, returns the #entries deleted */ |
875 | int | |
a9925b40 | 876 | HttpHeader::delById(http_hdr_type id) |
d8b249ef | 877 | { |
9bea1d5b | 878 | int count = 0; |
879 | HttpHeaderPos pos = HttpHeaderInitPos; | |
880 | HttpHeaderEntry *e; | |
efc26e8e | 881 | debugs(55, 8, this << " del-by-id " << id); |
9bea1d5b | 882 | assert_eid(id); |
f53969cc | 883 | assert(id != HDR_OTHER); /* does not make sense */ |
62e76326 | 884 | |
a9925b40 | 885 | if (!CBIT_TEST(mask, id)) |
62e76326 | 886 | return 0; |
887 | ||
a9925b40 | 888 | while ((e = getEntry(&pos))) { |
ba9fb01d | 889 | if (e->id == id) |
890 | delAt(pos, count); | |
d8b249ef | 891 | } |
62e76326 | 892 | |
a9925b40 | 893 | CBIT_CLR(mask, id); |
9bea1d5b | 894 | assert(count); |
895 | return count; | |
d8b249ef | 896 | } |
d8b249ef | 897 | |
cb69b4c7 | 898 | /* |
899 | * deletes an entry at pos and leaves a gap; leaving a gap makes it | |
900 | * possible to iterate(search) and delete fields at the same time | |
ba9fb01d | 901 | * NOTE: Does not update the header mask. Caller must follow up with |
902 | * a call to refreshMask() if headers_deleted was incremented. | |
cb69b4c7 | 903 | */ |
2246b732 | 904 | void |
ba9fb01d | 905 | HttpHeader::delAt(HttpHeaderPos pos, int &headers_deleted) |
cb69b4c7 | 906 | { |
9bea1d5b | 907 | HttpHeaderEntry *e; |
c0abe2ec FC |
908 | assert(pos >= HttpHeaderInitPos && pos < static_cast<ssize_t>(entries.size())); |
909 | e = static_cast<HttpHeaderEntry*>(entries[pos]); | |
4c9eadc2 | 910 | entries[pos] = NULL; |
9bea1d5b | 911 | /* decrement header length, allow for ": " and crlf */ |
a9925b40 | 912 | len -= e->name.size() + 2 + e->value.size() + 2; |
913 | assert(len >= 0); | |
eede25e7 | 914 | delete e; |
ba9fb01d | 915 | ++headers_deleted; |
cb69b4c7 | 916 | } |
917 | ||
394499bd | 918 | /* |
919 | * Compacts the header storage | |
920 | */ | |
921 | void | |
922 | HttpHeader::compact() | |
923 | { | |
6e1410f9 FC |
924 | // TODO: optimize removal, or possibly make it so that's not needed. |
925 | std::vector<HttpHeaderEntry *>::iterator newend; | |
926 | newend = std::remove(entries.begin(), entries.end(), static_cast<HttpHeaderEntry *>(NULL)); | |
927 | entries.resize(newend-entries.begin()); | |
394499bd | 928 | } |
929 | ||
ba9fb01d | 930 | /* |
931 | * Refreshes the header mask. Required after delAt() calls. | |
932 | */ | |
933 | void | |
934 | HttpHeader::refreshMask() | |
935 | { | |
936 | httpHeaderMaskInit(&mask, 0); | |
937 | debugs(55, 7, "refreshing the mask in hdr " << this); | |
938 | HttpHeaderPos pos = HttpHeaderInitPos; | |
939 | while (HttpHeaderEntry *e = getEntry(&pos)) { | |
26ac0430 | 940 | CBIT_SET(mask, e->id); |
ba9fb01d | 941 | } |
942 | } | |
99edd1c3 | 943 | |
62e76326 | 944 | /* appends an entry; |
eede25e7 | 945 | * does not call e->clone() so one should not reuse "*e" |
cb69b4c7 | 946 | */ |
99edd1c3 | 947 | void |
a9925b40 | 948 | HttpHeader::addEntry(HttpHeaderEntry * e) |
cb69b4c7 | 949 | { |
a9925b40 | 950 | assert(e); |
9bea1d5b | 951 | assert_eid(e->id); |
59c50530 | 952 | assert(e->name.size()); |
9bea1d5b | 953 | |
4c9eadc2 | 954 | debugs(55, 7, this << " adding entry: " << e->id << " at " << entries.size()); |
62e76326 | 955 | |
a9925b40 | 956 | if (CBIT_TEST(mask, e->id)) |
95dc7ff4 | 957 | ++ Headers[e->id].stat.repCount; |
9bea1d5b | 958 | else |
a9925b40 | 959 | CBIT_SET(mask, e->id); |
62e76326 | 960 | |
a9925b40 | 961 | entries.push_back(e); |
62e76326 | 962 | |
9bea1d5b | 963 | /* increment header length, allow for ": " and crlf */ |
a9925b40 | 964 | len += e->name.size() + 2 + e->value.size() + 2; |
cb69b4c7 | 965 | } |
966 | ||
bbe58ab5 | 967 | /* inserts an entry; |
eede25e7 | 968 | * does not call e->clone() so one should not reuse "*e" |
bbe58ab5 | 969 | */ |
970 | void | |
a9925b40 | 971 | HttpHeader::insertEntry(HttpHeaderEntry * e) |
bbe58ab5 | 972 | { |
a9925b40 | 973 | assert(e); |
bbe58ab5 | 974 | assert_eid(e->id); |
975 | ||
f9514ae8 | 976 | debugs(55, 7, this << " adding entry: " << e->id << " at " << entries.size()); |
bbe58ab5 | 977 | |
a9925b40 | 978 | if (CBIT_TEST(mask, e->id)) |
95dc7ff4 | 979 | ++ Headers[e->id].stat.repCount; |
bbe58ab5 | 980 | else |
a9925b40 | 981 | CBIT_SET(mask, e->id); |
bbe58ab5 | 982 | |
42865d25 | 983 | entries.insert(entries.begin(),e); |
bbe58ab5 | 984 | |
985 | /* increment header length, allow for ": " and crlf */ | |
a9925b40 | 986 | len += e->name.size() + 2 + e->value.size() + 2; |
bbe58ab5 | 987 | } |
988 | ||
35b88ed2 | 989 | bool |
30abd221 | 990 | HttpHeader::getList(http_hdr_type id, String *s) const |
35b88ed2 | 991 | { |
992 | HttpHeaderEntry *e; | |
993 | HttpHeaderPos pos = HttpHeaderInitPos; | |
efc26e8e | 994 | debugs(55, 9, this << " joining for id " << id); |
35b88ed2 | 995 | /* only fields from ListHeaders array can be "listed" */ |
996 | assert(CBIT_TEST(ListHeadersMask, id)); | |
997 | ||
998 | if (!CBIT_TEST(mask, id)) | |
999 | return false; | |
1000 | ||
1001 | while ((e = getEntry(&pos))) { | |
1002 | if (e->id == id) | |
9d7a89a5 | 1003 | strListAdd(s, e->value.termedBuf(), ','); |
35b88ed2 | 1004 | } |
1005 | ||
1006 | /* | |
1007 | * note: we might get an empty (size==0) string if there was an "empty" | |
1008 | * header. This results in an empty length String, which may have a NULL | |
1009 | * buffer. | |
1010 | */ | |
1011 | /* temporary warning: remove it? (Is it useful for diagnostics ?) */ | |
1012 | if (!s->size()) | |
1013 | debugs(55, 3, "empty list header: " << Headers[id].name << "(" << id << ")"); | |
1014 | else | |
1015 | debugs(55, 6, this << ": joined for id " << id << ": " << s); | |
1016 | ||
1017 | return true; | |
1018 | } | |
1019 | ||
99edd1c3 | 1020 | /* return a list of entries with the same id separated by ',' and ws */ |
30abd221 | 1021 | String |
a9925b40 | 1022 | HttpHeader::getList(http_hdr_type id) const |
cb69b4c7 | 1023 | { |
9bea1d5b | 1024 | HttpHeaderEntry *e; |
1025 | HttpHeaderPos pos = HttpHeaderInitPos; | |
efc26e8e | 1026 | debugs(55, 9, this << "joining for id " << id); |
9bea1d5b | 1027 | /* only fields from ListHeaders array can be "listed" */ |
1028 | assert(CBIT_TEST(ListHeadersMask, id)); | |
62e76326 | 1029 | |
a9925b40 | 1030 | if (!CBIT_TEST(mask, id)) |
30abd221 | 1031 | return String(); |
650c4b88 | 1032 | |
30abd221 | 1033 | String s; |
62e76326 | 1034 | |
a9925b40 | 1035 | while ((e = getEntry(&pos))) { |
62e76326 | 1036 | if (e->id == id) |
9d7a89a5 | 1037 | strListAdd(&s, e->value.termedBuf(), ','); |
d35b9a94 | 1038 | } |
62e76326 | 1039 | |
9bea1d5b | 1040 | /* |
948078e3 | 1041 | * note: we might get an empty (size==0) string if there was an "empty" |
1042 | * header. This results in an empty length String, which may have a NULL | |
1043 | * buffer. | |
9bea1d5b | 1044 | */ |
948078e3 | 1045 | /* temporary warning: remove it? (Is it useful for diagnostics ?) */ |
528b2c61 | 1046 | if (!s.size()) |
948078e3 | 1047 | debugs(55, 3, "empty list header: " << Headers[id].name << "(" << id << ")"); |
1048 | else | |
1049 | debugs(55, 6, this << ": joined for id " << id << ": " << s); | |
62e76326 | 1050 | |
9bea1d5b | 1051 | return s; |
cb69b4c7 | 1052 | } |
1053 | ||
f66a9ef4 | 1054 | /* return a string or list of entries with the same id separated by ',' and ws */ |
30abd221 | 1055 | String |
a9925b40 | 1056 | HttpHeader::getStrOrList(http_hdr_type id) const |
f66a9ef4 | 1057 | { |
c7327fa0 | 1058 | HttpHeaderEntry *e; |
9bea1d5b | 1059 | |
1060 | if (CBIT_TEST(ListHeadersMask, id)) | |
a9925b40 | 1061 | return getList(id); |
62e76326 | 1062 | |
a9925b40 | 1063 | if ((e = findEntry(id))) |
62e76326 | 1064 | return e->value; |
1065 | ||
30abd221 | 1066 | return String(); |
f66a9ef4 | 1067 | } |
1068 | ||
1069 | /* | |
b2c44718 | 1070 | * Returns the value of the specified header and/or an undefined String. |
f66a9ef4 | 1071 | */ |
30abd221 | 1072 | String |
a9925b40 | 1073 | HttpHeader::getByName(const char *name) const |
b2c44718 AR |
1074 | { |
1075 | String result; | |
1076 | // ignore presence: return undefined string if an empty header is present | |
1077 | (void)getByNameIfPresent(name, result); | |
1078 | return result; | |
1079 | } | |
1080 | ||
1081 | bool | |
1082 | HttpHeader::getByNameIfPresent(const char *name, String &result) const | |
f66a9ef4 | 1083 | { |
9bea1d5b | 1084 | http_hdr_type id; |
1085 | HttpHeaderPos pos = HttpHeaderInitPos; | |
1086 | HttpHeaderEntry *e; | |
9bea1d5b | 1087 | |
9bea1d5b | 1088 | assert(name); |
1089 | ||
1090 | /* First try the quick path */ | |
1091 | id = httpHeaderIdByNameDef(name, strlen(name)); | |
62e76326 | 1092 | |
b2c44718 AR |
1093 | if (id != -1) { |
1094 | if (!has(id)) | |
1095 | return false; | |
1096 | result = getStrOrList(id); | |
1097 | return true; | |
1098 | } | |
650c4b88 | 1099 | |
9bea1d5b | 1100 | /* Sorry, an unknown header name. Do linear search */ |
b2c44718 | 1101 | bool found = false; |
a9925b40 | 1102 | while ((e = getEntry(&pos))) { |
30abd221 | 1103 | if (e->id == HDR_OTHER && e->name.caseCmp(name) == 0) { |
b2c44718 | 1104 | found = true; |
9d7a89a5 | 1105 | strListAdd(&result, e->value.termedBuf(), ','); |
62e76326 | 1106 | } |
f66a9ef4 | 1107 | } |
62e76326 | 1108 | |
b2c44718 | 1109 | return found; |
f66a9ef4 | 1110 | } |
cb69b4c7 | 1111 | |
14b463aa | 1112 | /* |
372fdfbf | 1113 | * Returns a the value of the specified list member, if any. |
14b463aa | 1114 | */ |
30abd221 | 1115 | String |
a9925b40 | 1116 | HttpHeader::getByNameListMember(const char *name, const char *member, const char separator) const |
14b463aa | 1117 | { |
30abd221 | 1118 | String header; |
14b463aa | 1119 | const char *pos = NULL; |
1120 | const char *item; | |
1121 | int ilen; | |
1122 | int mlen = strlen(member); | |
1123 | ||
14b463aa | 1124 | assert(name); |
1125 | ||
a9925b40 | 1126 | header = getByName(name); |
14b463aa | 1127 | |
30abd221 | 1128 | String result; |
650c4b88 | 1129 | |
14b463aa | 1130 | while (strListGetItem(&header, separator, &item, &ilen, &pos)) { |
62e76326 | 1131 | if (strncmp(item, member, mlen) == 0 && item[mlen] == '=') { |
1132 | result.append(item + mlen + 1, ilen - mlen - 1); | |
1133 | break; | |
1134 | } | |
14b463aa | 1135 | } |
62e76326 | 1136 | |
14b463aa | 1137 | return result; |
1138 | } | |
1139 | ||
1140 | /* | |
1141 | * returns a the value of the specified list member, if any. | |
1142 | */ | |
30abd221 | 1143 | String |
a9925b40 | 1144 | HttpHeader::getListMember(http_hdr_type id, const char *member, const char separator) const |
14b463aa | 1145 | { |
30abd221 | 1146 | String header; |
14b463aa | 1147 | const char *pos = NULL; |
1148 | const char *item; | |
1149 | int ilen; | |
1150 | int mlen = strlen(member); | |
1151 | ||
14b463aa | 1152 | assert(id >= 0); |
1153 | ||
a9925b40 | 1154 | header = getStrOrList(id); |
30abd221 | 1155 | String result; |
14b463aa | 1156 | |
1157 | while (strListGetItem(&header, separator, &item, &ilen, &pos)) { | |
62e76326 | 1158 | if (strncmp(item, member, mlen) == 0 && item[mlen] == '=') { |
1159 | result.append(item + mlen + 1, ilen - mlen - 1); | |
1160 | break; | |
1161 | } | |
14b463aa | 1162 | } |
62e76326 | 1163 | |
30abd221 | 1164 | header.clean(); |
14b463aa | 1165 | return result; |
1166 | } | |
1167 | ||
cb69b4c7 | 1168 | /* test if a field is present */ |
2ac76861 | 1169 | int |
a9925b40 | 1170 | HttpHeader::has(http_hdr_type id) const |
cb69b4c7 | 1171 | { |
9bea1d5b | 1172 | assert_eid(id); |
1173 | assert(id != HDR_OTHER); | |
efc26e8e | 1174 | debugs(55, 9, this << " lookup for " << id); |
a9925b40 | 1175 | return CBIT_TEST(mask, id); |
cb69b4c7 | 1176 | } |
1177 | ||
1178 | void | |
a9925b40 | 1179 | HttpHeader::putInt(http_hdr_type id, int number) |
cb69b4c7 | 1180 | { |
9bea1d5b | 1181 | assert_eid(id); |
f53969cc | 1182 | assert(Headers[id].type == ftInt); /* must be of an appropriate type */ |
9bea1d5b | 1183 | assert(number >= 0); |
eede25e7 | 1184 | addEntry(new HttpHeaderEntry(id, NULL, xitoa(number))); |
cb69b4c7 | 1185 | } |
1186 | ||
47f6e231 | 1187 | void |
1188 | HttpHeader::putInt64(http_hdr_type id, int64_t number) | |
1189 | { | |
1190 | assert_eid(id); | |
f53969cc | 1191 | assert(Headers[id].type == ftInt64); /* must be of an appropriate type */ |
47f6e231 | 1192 | assert(number >= 0); |
1193 | addEntry(new HttpHeaderEntry(id, NULL, xint64toa(number))); | |
1194 | } | |
1195 | ||
cb69b4c7 | 1196 | void |
a9925b40 | 1197 | HttpHeader::putTime(http_hdr_type id, time_t htime) |
cb69b4c7 | 1198 | { |
9bea1d5b | 1199 | assert_eid(id); |
f53969cc | 1200 | assert(Headers[id].type == ftDate_1123); /* must be of an appropriate type */ |
a1d6870f | 1201 | assert(htime >= 0); |
eede25e7 | 1202 | addEntry(new HttpHeaderEntry(id, NULL, mkrfc1123(htime))); |
cb69b4c7 | 1203 | } |
2ac76861 | 1204 | |
bbe58ab5 | 1205 | void |
a9925b40 | 1206 | HttpHeader::insertTime(http_hdr_type id, time_t htime) |
bbe58ab5 | 1207 | { |
1208 | assert_eid(id); | |
f53969cc | 1209 | assert(Headers[id].type == ftDate_1123); /* must be of an appropriate type */ |
bbe58ab5 | 1210 | assert(htime >= 0); |
eede25e7 | 1211 | insertEntry(new HttpHeaderEntry(id, NULL, mkrfc1123(htime))); |
bbe58ab5 | 1212 | } |
1213 | ||
cb69b4c7 | 1214 | void |
a9925b40 | 1215 | HttpHeader::putStr(http_hdr_type id, const char *str) |
cb69b4c7 | 1216 | { |
9bea1d5b | 1217 | assert_eid(id); |
f53969cc | 1218 | assert(Headers[id].type == ftStr); /* must be of an appropriate type */ |
9bea1d5b | 1219 | assert(str); |
eede25e7 | 1220 | addEntry(new HttpHeaderEntry(id, NULL, str)); |
cb69b4c7 | 1221 | } |
1222 | ||
63259c34 | 1223 | void |
a9925b40 | 1224 | HttpHeader::putAuth(const char *auth_scheme, const char *realm) |
63259c34 | 1225 | { |
a9925b40 | 1226 | assert(auth_scheme && realm); |
1227 | httpHeaderPutStrf(this, HDR_WWW_AUTHENTICATE, "%s realm=\"%s\"", auth_scheme, realm); | |
63259c34 | 1228 | } |
1229 | ||
99edd1c3 | 1230 | void |
a9925b40 | 1231 | HttpHeader::putCc(const HttpHdrCc * cc) |
99edd1c3 | 1232 | { |
9bea1d5b | 1233 | MemBuf mb; |
1234 | Packer p; | |
a9925b40 | 1235 | assert(cc); |
9bea1d5b | 1236 | /* remove old directives if any */ |
a9925b40 | 1237 | delById(HDR_CACHE_CONTROL); |
9bea1d5b | 1238 | /* pack into mb */ |
2fe7eff9 | 1239 | mb.init(); |
9bea1d5b | 1240 | packerToMemInit(&p, &mb); |
4ce6e3b5 | 1241 | cc->packInto(&p); |
9bea1d5b | 1242 | /* put */ |
eede25e7 | 1243 | addEntry(new HttpHeaderEntry(HDR_CACHE_CONTROL, NULL, mb.buf)); |
9bea1d5b | 1244 | /* cleanup */ |
2fe7eff9 | 1245 | mb.clean(); |
99edd1c3 | 1246 | } |
1247 | ||
d192d11f | 1248 | void |
a9925b40 | 1249 | HttpHeader::putContRange(const HttpHdrContRange * cr) |
d192d11f | 1250 | { |
9bea1d5b | 1251 | MemBuf mb; |
1252 | Packer p; | |
a9925b40 | 1253 | assert(cr); |
9bea1d5b | 1254 | /* remove old directives if any */ |
a9925b40 | 1255 | delById(HDR_CONTENT_RANGE); |
9bea1d5b | 1256 | /* pack into mb */ |
2fe7eff9 | 1257 | mb.init(); |
9bea1d5b | 1258 | packerToMemInit(&p, &mb); |
1259 | httpHdrContRangePackInto(cr, &p); | |
1260 | /* put */ | |
eede25e7 | 1261 | addEntry(new HttpHeaderEntry(HDR_CONTENT_RANGE, NULL, mb.buf)); |
9bea1d5b | 1262 | /* cleanup */ |
2fe7eff9 | 1263 | mb.clean(); |
d192d11f | 1264 | } |
1265 | ||
1266 | void | |
a9925b40 | 1267 | HttpHeader::putRange(const HttpHdrRange * range) |
d192d11f | 1268 | { |
9bea1d5b | 1269 | MemBuf mb; |
1270 | Packer p; | |
a9925b40 | 1271 | assert(range); |
9bea1d5b | 1272 | /* remove old directives if any */ |
a9925b40 | 1273 | delById(HDR_RANGE); |
9bea1d5b | 1274 | /* pack into mb */ |
2fe7eff9 | 1275 | mb.init(); |
9bea1d5b | 1276 | packerToMemInit(&p, &mb); |
528b2c61 | 1277 | range->packInto(&p); |
9bea1d5b | 1278 | /* put */ |
eede25e7 | 1279 | addEntry(new HttpHeaderEntry(HDR_RANGE, NULL, mb.buf)); |
9bea1d5b | 1280 | /* cleanup */ |
2fe7eff9 | 1281 | mb.clean(); |
d192d11f | 1282 | } |
1283 | ||
43ae1d95 | 1284 | void |
a9925b40 | 1285 | HttpHeader::putSc(HttpHdrSc *sc) |
43ae1d95 | 1286 | { |
1287 | MemBuf mb; | |
1288 | Packer p; | |
a9925b40 | 1289 | assert(sc); |
43ae1d95 | 1290 | /* remove old directives if any */ |
f48978e6 | 1291 | delById(HDR_SURROGATE_CONTROL); |
43ae1d95 | 1292 | /* pack into mb */ |
2fe7eff9 | 1293 | mb.init(); |
43ae1d95 | 1294 | packerToMemInit(&p, &mb); |
45a58345 | 1295 | sc->packInto(&p); |
43ae1d95 | 1296 | /* put */ |
eede25e7 | 1297 | addEntry(new HttpHeaderEntry(HDR_SURROGATE_CONTROL, NULL, mb.buf)); |
43ae1d95 | 1298 | /* cleanup */ |
2fe7eff9 | 1299 | mb.clean(); |
43ae1d95 | 1300 | } |
1301 | ||
bcfba8bd AR |
1302 | void |
1303 | HttpHeader::putWarning(const int code, const char *const text) | |
1304 | { | |
1305 | char buf[512]; | |
1306 | snprintf(buf, sizeof(buf), "%i %s \"%s\"", code, visible_appname_string, text); | |
1307 | putStr(HDR_WARNING, buf); | |
1308 | } | |
1309 | ||
cb69b4c7 | 1310 | /* add extension header (these fields are not parsed/analyzed/joined, etc.) */ |
1311 | void | |
a9925b40 | 1312 | HttpHeader::putExt(const char *name, const char *value) |
cb69b4c7 | 1313 | { |
9bea1d5b | 1314 | assert(name && value); |
efc26e8e | 1315 | debugs(55, 8, this << " adds ext entry " << name << " : " << value); |
eede25e7 | 1316 | addEntry(new HttpHeaderEntry(HDR_OTHER, name, value)); |
528b2c61 | 1317 | } |
1318 | ||
1319 | int | |
a9925b40 | 1320 | HttpHeader::getInt(http_hdr_type id) const |
528b2c61 | 1321 | { |
9bea1d5b | 1322 | assert_eid(id); |
f53969cc | 1323 | assert(Headers[id].type == ftInt); /* must be of an appropriate type */ |
528b2c61 | 1324 | HttpHeaderEntry *e; |
62e76326 | 1325 | |
a9925b40 | 1326 | if ((e = findEntry(id))) |
eede25e7 | 1327 | return e->getInt(); |
62e76326 | 1328 | |
528b2c61 | 1329 | return -1; |
7c525cc2 | 1330 | } |
1331 | ||
47f6e231 | 1332 | int64_t |
1333 | HttpHeader::getInt64(http_hdr_type id) const | |
1334 | { | |
1335 | assert_eid(id); | |
f53969cc | 1336 | assert(Headers[id].type == ftInt64); /* must be of an appropriate type */ |
47f6e231 | 1337 | HttpHeaderEntry *e; |
1338 | ||
1339 | if ((e = findEntry(id))) | |
1340 | return e->getInt64(); | |
1341 | ||
1342 | return -1; | |
1343 | } | |
1344 | ||
de336bbe | 1345 | time_t |
a9925b40 | 1346 | HttpHeader::getTime(http_hdr_type id) const |
cb69b4c7 | 1347 | { |
9bea1d5b | 1348 | HttpHeaderEntry *e; |
1349 | time_t value = -1; | |
1350 | assert_eid(id); | |
f53969cc | 1351 | assert(Headers[id].type == ftDate_1123); /* must be of an appropriate type */ |
62e76326 | 1352 | |
a9925b40 | 1353 | if ((e = findEntry(id))) { |
9d7a89a5 | 1354 | value = parse_rfc1123(e->value.termedBuf()); |
62e76326 | 1355 | httpHeaderNoteParsedEntry(e->id, e->value, value < 0); |
d8b249ef | 1356 | } |
62e76326 | 1357 | |
9bea1d5b | 1358 | return value; |
cb69b4c7 | 1359 | } |
1360 | ||
99edd1c3 | 1361 | /* sync with httpHeaderGetLastStr */ |
de336bbe | 1362 | const char * |
a9925b40 | 1363 | HttpHeader::getStr(http_hdr_type id) const |
cb69b4c7 | 1364 | { |
9bea1d5b | 1365 | HttpHeaderEntry *e; |
1366 | assert_eid(id); | |
f53969cc | 1367 | assert(Headers[id].type == ftStr); /* must be of an appropriate type */ |
62e76326 | 1368 | |
a9925b40 | 1369 | if ((e = findEntry(id))) { |
f53969cc | 1370 | httpHeaderNoteParsedEntry(e->id, e->value, 0); /* no errors are possible */ |
9d7a89a5 | 1371 | return e->value.termedBuf(); |
d8b249ef | 1372 | } |
62e76326 | 1373 | |
9bea1d5b | 1374 | return NULL; |
cb69b4c7 | 1375 | } |
1376 | ||
a622fff0 | 1377 | /* unusual */ |
1378 | const char * | |
a9925b40 | 1379 | HttpHeader::getLastStr(http_hdr_type id) const |
a622fff0 | 1380 | { |
9bea1d5b | 1381 | HttpHeaderEntry *e; |
1382 | assert_eid(id); | |
f53969cc | 1383 | assert(Headers[id].type == ftStr); /* must be of an appropriate type */ |
62e76326 | 1384 | |
a9925b40 | 1385 | if ((e = findLastEntry(id))) { |
f53969cc | 1386 | httpHeaderNoteParsedEntry(e->id, e->value, 0); /* no errors are possible */ |
9d7a89a5 | 1387 | return e->value.termedBuf(); |
a622fff0 | 1388 | } |
62e76326 | 1389 | |
9bea1d5b | 1390 | return NULL; |
a622fff0 | 1391 | } |
1392 | ||
7faf2bdb | 1393 | HttpHdrCc * |
a9925b40 | 1394 | HttpHeader::getCc() const |
cb69b4c7 | 1395 | { |
a9925b40 | 1396 | if (!CBIT_TEST(mask, HDR_CACHE_CONTROL)) |
62e76326 | 1397 | return NULL; |
35b88ed2 | 1398 | PROF_start(HttpHeader_getCc); |
62e76326 | 1399 | |
c57b8f05 FC |
1400 | String s; |
1401 | getList(HDR_CACHE_CONTROL, &s); | |
62e76326 | 1402 | |
c57b8f05 | 1403 | HttpHdrCc *cc=new HttpHdrCc(); |
7ebe76de FC |
1404 | |
1405 | if (!cc->parse(s)) { | |
cf66f10a FC |
1406 | delete cc; |
1407 | cc = NULL; | |
1408 | } | |
62e76326 | 1409 | |
95dc7ff4 | 1410 | ++ HttpHeaderStats[owner].ccParsedCount; |
62e76326 | 1411 | |
9bea1d5b | 1412 | if (cc) |
a9925b40 | 1413 | httpHdrCcUpdateStats(cc, &HttpHeaderStats[owner].ccTypeDistr); |
62e76326 | 1414 | |
9bea1d5b | 1415 | httpHeaderNoteParsedEntry(HDR_CACHE_CONTROL, s, !cc); |
62e76326 | 1416 | |
35b88ed2 | 1417 | PROF_stop(HttpHeader_getCc); |
62e76326 | 1418 | |
9bea1d5b | 1419 | return cc; |
cb69b4c7 | 1420 | } |
1421 | ||
02922e76 | 1422 | HttpHdrRange * |
a9925b40 | 1423 | HttpHeader::getRange() const |
02922e76 | 1424 | { |
9bea1d5b | 1425 | HttpHdrRange *r = NULL; |
1426 | HttpHeaderEntry *e; | |
1427 | /* some clients will send "Request-Range" _and_ *matching* "Range" | |
1428 | * who knows, some clients might send Request-Range only; | |
1429 | * this "if" should work correctly in both cases; | |
1430 | * hopefully no clients send mismatched headers! */ | |
62e76326 | 1431 | |
a9925b40 | 1432 | if ((e = findEntry(HDR_RANGE)) || |
1433 | (e = findEntry(HDR_REQUEST_RANGE))) { | |
62e76326 | 1434 | r = HttpHdrRange::ParseCreate(&e->value); |
1435 | httpHeaderNoteParsedEntry(e->id, e->value, !r); | |
d192d11f | 1436 | } |
62e76326 | 1437 | |
9bea1d5b | 1438 | return r; |
02922e76 | 1439 | } |
1440 | ||
43ae1d95 | 1441 | HttpHdrSc * |
a9925b40 | 1442 | HttpHeader::getSc() const |
43ae1d95 | 1443 | { |
a9925b40 | 1444 | if (!CBIT_TEST(mask, HDR_SURROGATE_CONTROL)) |
43ae1d95 | 1445 | return NULL; |
1446 | ||
30abd221 | 1447 | String s; |
26ac0430 | 1448 | |
35b88ed2 | 1449 | (void) getList(HDR_SURROGATE_CONTROL, &s); |
43ae1d95 | 1450 | |
45a58345 | 1451 | HttpHdrSc *sc = httpHdrScParseCreate(s); |
43ae1d95 | 1452 | |
95dc7ff4 | 1453 | ++ HttpHeaderStats[owner].ccParsedCount; |
43ae1d95 | 1454 | |
1455 | if (sc) | |
45a58345 | 1456 | sc->updateStats(&HttpHeaderStats[owner].scTypeDistr); |
43ae1d95 | 1457 | |
1458 | httpHeaderNoteParsedEntry(HDR_SURROGATE_CONTROL, s, !sc); | |
1459 | ||
1460 | return sc; | |
1461 | } | |
1462 | ||
d76fcfa7 | 1463 | HttpHdrContRange * |
a9925b40 | 1464 | HttpHeader::getContRange() const |
d76fcfa7 | 1465 | { |
9bea1d5b | 1466 | HttpHdrContRange *cr = NULL; |
1467 | HttpHeaderEntry *e; | |
62e76326 | 1468 | |
a9925b40 | 1469 | if ((e = findEntry(HDR_CONTENT_RANGE))) { |
9d7a89a5 | 1470 | cr = httpHdrContRangeParseCreate(e->value.termedBuf()); |
62e76326 | 1471 | httpHeaderNoteParsedEntry(e->id, e->value, !cr); |
d8b249ef | 1472 | } |
62e76326 | 1473 | |
9bea1d5b | 1474 | return cr; |
cb69b4c7 | 1475 | } |
1476 | ||
99edd1c3 | 1477 | const char * |
a9925b40 | 1478 | HttpHeader::getAuth(http_hdr_type id, const char *auth_scheme) const |
cb69b4c7 | 1479 | { |
9bea1d5b | 1480 | const char *field; |
1481 | int l; | |
a9925b40 | 1482 | assert(auth_scheme); |
1483 | field = getStr(id); | |
62e76326 | 1484 | |
f53969cc | 1485 | if (!field) /* no authorization field */ |
62e76326 | 1486 | return NULL; |
1487 | ||
9bea1d5b | 1488 | l = strlen(auth_scheme); |
62e76326 | 1489 | |
f53969cc | 1490 | if (!l || strncasecmp(field, auth_scheme, l)) /* wrong scheme */ |
62e76326 | 1491 | return NULL; |
1492 | ||
9bea1d5b | 1493 | field += l; |
62e76326 | 1494 | |
f53969cc | 1495 | if (!xisspace(*field)) /* wrong scheme */ |
62e76326 | 1496 | return NULL; |
1497 | ||
9bea1d5b | 1498 | /* skip white space */ |
95dc7ff4 | 1499 | for (; field && xisspace(*field); ++field); |
62e76326 | 1500 | |
f53969cc | 1501 | if (!*field) /* no authorization cookie */ |
62e76326 | 1502 | return NULL; |
1503 | ||
8bdd0cec | 1504 | static char decodedAuthToken[8192]; |
aadbbd7d AJ |
1505 | struct base64_decode_ctx ctx; |
1506 | base64_decode_init(&ctx); | |
1507 | size_t decodedLen = 0; | |
1508 | if (!base64_decode_update(&ctx, &decodedLen, reinterpret_cast<uint8_t*>(decodedAuthToken), strlen(field), reinterpret_cast<const uint8_t*>(field)) || | |
1509 | !base64_decode_final(&ctx)) { | |
1510 | return NULL; | |
1511 | } | |
8bdd0cec AJ |
1512 | decodedAuthToken[decodedLen] = '\0'; |
1513 | return decodedAuthToken; | |
cb69b4c7 | 1514 | } |
1515 | ||
a9771e51 | 1516 | ETag |
a9925b40 | 1517 | HttpHeader::getETag(http_hdr_type id) const |
a9771e51 | 1518 | { |
26ac0430 | 1519 | ETag etag = {NULL, -1}; |
9bea1d5b | 1520 | HttpHeaderEntry *e; |
f53969cc | 1521 | assert(Headers[id].type == ftETag); /* must be of an appropriate type */ |
62e76326 | 1522 | |
a9925b40 | 1523 | if ((e = findEntry(id))) |
9d7a89a5 | 1524 | etagParseInit(&etag, e->value.termedBuf()); |
62e76326 | 1525 | |
9bea1d5b | 1526 | return etag; |
a9771e51 | 1527 | } |
1528 | ||
1529 | TimeOrTag | |
a9925b40 | 1530 | HttpHeader::getTimeOrTag(http_hdr_type id) const |
a9771e51 | 1531 | { |
9bea1d5b | 1532 | TimeOrTag tot; |
1533 | HttpHeaderEntry *e; | |
f53969cc | 1534 | assert(Headers[id].type == ftDate_1123_or_ETag); /* must be of an appropriate type */ |
9bea1d5b | 1535 | memset(&tot, 0, sizeof(tot)); |
62e76326 | 1536 | |
a9925b40 | 1537 | if ((e = findEntry(id))) { |
9d7a89a5 | 1538 | const char *str = e->value.termedBuf(); |
62e76326 | 1539 | /* try as an ETag */ |
1540 | ||
1541 | if (etagParseInit(&tot.tag, str)) { | |
1542 | tot.valid = tot.tag.str != NULL; | |
1543 | tot.time = -1; | |
1544 | } else { | |
1545 | /* or maybe it is time? */ | |
1546 | tot.time = parse_rfc1123(str); | |
1547 | tot.valid = tot.time >= 0; | |
1548 | tot.tag.str = NULL; | |
1549 | } | |
a9771e51 | 1550 | } |
62e76326 | 1551 | |
f53969cc | 1552 | assert(tot.time < 0 || !tot.tag.str); /* paranoid */ |
9bea1d5b | 1553 | return tot; |
a9771e51 | 1554 | } |
1555 | ||
cb69b4c7 | 1556 | /* |
1557 | * HttpHeaderEntry | |
1558 | */ | |
1559 | ||
eede25e7 | 1560 | HttpHeaderEntry::HttpHeaderEntry(http_hdr_type anId, const char *aName, const char *aValue) |
cb69b4c7 | 1561 | { |
eede25e7 | 1562 | assert_eid(anId); |
1563 | id = anId; | |
62e76326 | 1564 | |
9bea1d5b | 1565 | if (id != HDR_OTHER) |
eede25e7 | 1566 | name = Headers[id].name; |
9bea1d5b | 1567 | else |
eede25e7 | 1568 | name = aName; |
62e76326 | 1569 | |
eede25e7 | 1570 | value = aValue; |
62e76326 | 1571 | |
95dc7ff4 | 1572 | ++ Headers[id].stat.aliveCount; |
62e76326 | 1573 | |
9d7a89a5 | 1574 | debugs(55, 9, "created HttpHeaderEntry " << this << ": '" << name << " : " << value ); |
eede25e7 | 1575 | } |
62e76326 | 1576 | |
eede25e7 | 1577 | HttpHeaderEntry::~HttpHeaderEntry() |
2ac76861 | 1578 | { |
eede25e7 | 1579 | assert_eid(id); |
9d7a89a5 | 1580 | debugs(55, 9, "destroying entry " << this << ": '" << name << ": " << value << "'"); |
30abd221 | 1581 | /* clean name if needed */ |
1582 | ||
1583 | if (id == HDR_OTHER) | |
1584 | name.clean(); | |
1585 | ||
1586 | value.clean(); | |
62e76326 | 1587 | |
eede25e7 | 1588 | assert(Headers[id].stat.aliveCount); |
62e76326 | 1589 | |
5e263176 | 1590 | -- Headers[id].stat.aliveCount; |
62e76326 | 1591 | |
eede25e7 | 1592 | id = HDR_BAD_HDR; |
cb69b4c7 | 1593 | } |
1594 | ||
eede25e7 | 1595 | /* parses and inits header entry, returns true/false */ |
cdce6c61 | 1596 | HttpHeaderEntry * |
eede25e7 | 1597 | HttpHeaderEntry::parse(const char *field_start, const char *field_end) |
cb69b4c7 | 1598 | { |
9bea1d5b | 1599 | /* note: name_start == field_start */ |
52d3f198 | 1600 | const char *name_end = (const char *)memchr(field_start, ':', field_end - field_start); |
26ac0430 | 1601 | int name_len = name_end ? name_end - field_start :0; |
f53969cc | 1602 | const char *value_start = field_start + name_len + 1; /* skip ':' */ |
9bea1d5b | 1603 | /* note: value_end == field_end */ |
1604 | ||
95dc7ff4 | 1605 | ++ HeaderEntryParsedCount; |
9bea1d5b | 1606 | |
1607 | /* do we have a valid field name within this field? */ | |
62e76326 | 1608 | |
9bea1d5b | 1609 | if (!name_len || name_end > field_end) |
cdce6c61 | 1610 | return NULL; |
62e76326 | 1611 | |
67746eea | 1612 | if (name_len > 65534) { |
1613 | /* String must be LESS THAN 64K and it adds a terminating NULL */ | |
e0236918 | 1614 | debugs(55, DBG_IMPORTANT, "WARNING: ignoring header name of " << name_len << " bytes"); |
cdce6c61 | 1615 | return NULL; |
25acfb53 | 1616 | } |
62e76326 | 1617 | |
52d3f198 | 1618 | if (Config.onoff.relaxed_header_parser && xisspace(field_start[name_len - 1])) { |
bf8fe701 | 1619 | debugs(55, Config.onoff.relaxed_header_parser <= 0 ? 1 : 2, |
81858ebc | 1620 | "NOTICE: Whitespace after header name in '" << getStringPrefix(field_start, field_end-field_start) << "'"); |
52d3f198 | 1621 | |
1622 | while (name_len > 0 && xisspace(field_start[name_len - 1])) | |
5e263176 | 1623 | --name_len; |
52d3f198 | 1624 | |
1625 | if (!name_len) | |
cdce6c61 | 1626 | return NULL; |
52d3f198 | 1627 | } |
1628 | ||
9bea1d5b | 1629 | /* now we know we can parse it */ |
62e76326 | 1630 | |
81858ebc | 1631 | debugs(55, 9, "parsing HttpHeaderEntry: near '" << getStringPrefix(field_start, field_end-field_start) << "'"); |
62e76326 | 1632 | |
9bea1d5b | 1633 | /* is it a "known" field? */ |
cdce6c61 | 1634 | http_hdr_type id = httpHeaderIdByName(field_start, name_len, Headers, HDR_ENUM_END); |
1635 | ||
30abd221 | 1636 | String name; |
cdce6c61 | 1637 | |
30abd221 | 1638 | String value; |
62e76326 | 1639 | |
9bea1d5b | 1640 | if (id < 0) |
62e76326 | 1641 | id = HDR_OTHER; |
1642 | ||
9bea1d5b | 1643 | assert_eid(id); |
62e76326 | 1644 | |
9bea1d5b | 1645 | /* set field name */ |
1646 | if (id == HDR_OTHER) | |
eede25e7 | 1647 | name.limitInit(field_start, name_len); |
9bea1d5b | 1648 | else |
eede25e7 | 1649 | name = Headers[id].name; |
62e76326 | 1650 | |
9bea1d5b | 1651 | /* trim field value */ |
1652 | while (value_start < field_end && xisspace(*value_start)) | |
95dc7ff4 | 1653 | ++value_start; |
62e76326 | 1654 | |
52d3f198 | 1655 | while (value_start < field_end && xisspace(field_end[-1])) |
5e263176 | 1656 | --field_end; |
52d3f198 | 1657 | |
67746eea | 1658 | if (field_end - value_start > 65534) { |
1659 | /* String must be LESS THAN 64K and it adds a terminating NULL */ | |
e0236918 | 1660 | debugs(55, DBG_IMPORTANT, "WARNING: ignoring '" << name << "' header of " << (field_end - value_start) << " bytes"); |
62e76326 | 1661 | |
eede25e7 | 1662 | if (id == HDR_OTHER) |
30abd221 | 1663 | name.clean(); |
62e76326 | 1664 | |
cdce6c61 | 1665 | return NULL; |
25acfb53 | 1666 | } |
62e76326 | 1667 | |
9bea1d5b | 1668 | /* set field value */ |
eede25e7 | 1669 | value.limitInit(value_start, field_end - value_start); |
62e76326 | 1670 | |
95dc7ff4 | 1671 | ++ Headers[id].stat.seenCount; |
62e76326 | 1672 | |
9d7a89a5 | 1673 | debugs(55, 9, "parsed HttpHeaderEntry: '" << name << ": " << value << "'"); |
62e76326 | 1674 | |
9d7a89a5 | 1675 | return new HttpHeaderEntry(id, name.termedBuf(), value.termedBuf()); |
cb69b4c7 | 1676 | } |
1677 | ||
99edd1c3 | 1678 | HttpHeaderEntry * |
eede25e7 | 1679 | HttpHeaderEntry::clone() const |
cb69b4c7 | 1680 | { |
9d7a89a5 | 1681 | return new HttpHeaderEntry(id, name.termedBuf(), value.termedBuf()); |
cb69b4c7 | 1682 | } |
1683 | ||
de336bbe | 1684 | void |
eede25e7 | 1685 | HttpHeaderEntry::packInto(Packer * p) const |
cb69b4c7 | 1686 | { |
eede25e7 | 1687 | assert(p); |
9d7a89a5 | 1688 | packerAppend(p, name.rawBuf(), name.size()); |
9bea1d5b | 1689 | packerAppend(p, ": ", 2); |
9d7a89a5 | 1690 | packerAppend(p, value.rawBuf(), value.size()); |
9bea1d5b | 1691 | packerAppend(p, "\r\n", 2); |
cb69b4c7 | 1692 | } |
1693 | ||
eede25e7 | 1694 | int |
1695 | HttpHeaderEntry::getInt() const | |
1696 | { | |
1697 | assert_eid (id); | |
1698 | assert (Headers[id].type == ftInt); | |
1699 | int val = -1; | |
9d7a89a5 | 1700 | int ok = httpHeaderParseInt(value.termedBuf(), &val); |
eede25e7 | 1701 | httpHeaderNoteParsedEntry(id, value, !ok); |
1702 | /* XXX: Should we check ok - ie | |
1703 | * return ok ? -1 : value; | |
1704 | */ | |
1705 | return val; | |
1706 | } | |
1707 | ||
47f6e231 | 1708 | int64_t |
1709 | HttpHeaderEntry::getInt64() const | |
1710 | { | |
1711 | assert_eid (id); | |
1712 | assert (Headers[id].type == ftInt64); | |
1713 | int64_t val = -1; | |
9d7a89a5 | 1714 | int ok = httpHeaderParseOffset(value.termedBuf(), &val); |
47f6e231 | 1715 | httpHeaderNoteParsedEntry(id, value, !ok); |
1716 | /* XXX: Should we check ok - ie | |
1717 | * return ok ? -1 : value; | |
1718 | */ | |
1719 | return val; | |
1720 | } | |
1721 | ||
cb69b4c7 | 1722 | static void |
30abd221 | 1723 | httpHeaderNoteParsedEntry(http_hdr_type id, String const &context, int error) |
cb69b4c7 | 1724 | { |
95dc7ff4 | 1725 | ++ Headers[id].stat.parsCount; |
62e76326 | 1726 | |
9bea1d5b | 1727 | if (error) { |
95dc7ff4 | 1728 | ++ Headers[id].stat.errCount; |
9d7a89a5 | 1729 | debugs(55, 2, "cannot parse hdr field: '" << Headers[id].name << ": " << context << "'"); |
cb69b4c7 | 1730 | } |
cb69b4c7 | 1731 | } |
1732 | ||
cb69b4c7 | 1733 | /* |
12cf1be2 | 1734 | * Reports |
cb69b4c7 | 1735 | */ |
cb69b4c7 | 1736 | |
fcd2d3ef | 1737 | /* tmp variable used to pass stat info to dumpers */ |
f53969cc | 1738 | extern const HttpHeaderStat *dump_stat; /* argh! */ |
fcd2d3ef | 1739 | const HttpHeaderStat *dump_stat = NULL; |
1740 | ||
59a09b98 | 1741 | void |
ced8def3 | 1742 | httpHeaderFieldStatDumper(StoreEntry * sentry, int, double val, double, int count) |
cb69b4c7 | 1743 | { |
9bea1d5b | 1744 | const int id = (int) val; |
1745 | const int valid_id = id >= 0 && id < HDR_ENUM_END; | |
9d7a89a5 | 1746 | const char *name = valid_id ? Headers[id].name.termedBuf() : "INVALID"; |
9bea1d5b | 1747 | int visible = count > 0; |
1748 | /* for entries with zero count, list only those that belong to current type of message */ | |
62e76326 | 1749 | |
9bea1d5b | 1750 | if (!visible && valid_id && dump_stat->owner_mask) |
62e76326 | 1751 | visible = CBIT_TEST(*dump_stat->owner_mask, id); |
1752 | ||
9bea1d5b | 1753 | if (visible) |
62e76326 | 1754 | storeAppendPrintf(sentry, "%2d\t %-20s\t %5d\t %6.2f\n", |
1755 | id, name, count, xdiv(count, dump_stat->busyDestroyedCount)); | |
cb69b4c7 | 1756 | } |
1757 | ||
12cf1be2 | 1758 | static void |
ced8def3 | 1759 | httpHeaderFldsPerHdrDumper(StoreEntry * sentry, int idx, double val, double, int count) |
cb69b4c7 | 1760 | { |
9bea1d5b | 1761 | if (count) |
62e76326 | 1762 | storeAppendPrintf(sentry, "%2d\t %5d\t %5d\t %6.2f\n", |
1763 | idx, (int) val, count, | |
1764 | xpercent(count, dump_stat->destroyedCount)); | |
cb69b4c7 | 1765 | } |
1766 | ||
cb69b4c7 | 1767 | static void |
9bea1d5b | 1768 | httpHeaderStatDump(const HttpHeaderStat * hs, StoreEntry * e) |
12cf1be2 | 1769 | { |
9bea1d5b | 1770 | assert(hs && e); |
1771 | ||
1772 | dump_stat = hs; | |
1773 | storeAppendPrintf(e, "\nHeader Stats: %s\n", hs->label); | |
1774 | storeAppendPrintf(e, "\nField type distribution\n"); | |
1775 | storeAppendPrintf(e, "%2s\t %-20s\t %5s\t %6s\n", | |
62e76326 | 1776 | "id", "name", "count", "#/header"); |
96886986 | 1777 | hs->fieldTypeDistr.dump(e, httpHeaderFieldStatDumper); |
9bea1d5b | 1778 | storeAppendPrintf(e, "\nCache-control directives distribution\n"); |
1779 | storeAppendPrintf(e, "%2s\t %-20s\t %5s\t %6s\n", | |
62e76326 | 1780 | "id", "name", "count", "#/cc_field"); |
96886986 | 1781 | hs->ccTypeDistr.dump(e, httpHdrCcStatDumper); |
43ae1d95 | 1782 | storeAppendPrintf(e, "\nSurrogate-control directives distribution\n"); |
1783 | storeAppendPrintf(e, "%2s\t %-20s\t %5s\t %6s\n", | |
1784 | "id", "name", "count", "#/sc_field"); | |
96886986 | 1785 | hs->scTypeDistr.dump(e, httpHdrScStatDumper); |
9bea1d5b | 1786 | storeAppendPrintf(e, "\nNumber of fields per header distribution\n"); |
1787 | storeAppendPrintf(e, "%2s\t %-5s\t %5s\t %6s\n", | |
62e76326 | 1788 | "id", "#flds", "count", "%total"); |
96886986 | 1789 | hs->hdrUCountDistr.dump(e, httpHeaderFldsPerHdrDumper); |
41b43e70 | 1790 | storeAppendPrintf(e, "\n"); |
9bea1d5b | 1791 | dump_stat = NULL; |
cb69b4c7 | 1792 | } |
1793 | ||
12cf1be2 | 1794 | void |
9bea1d5b | 1795 | httpHeaderStoreReport(StoreEntry * e) |
cb69b4c7 | 1796 | { |
9bea1d5b | 1797 | int i; |
1798 | http_hdr_type ht; | |
1799 | assert(e); | |
1800 | ||
1801 | HttpHeaderStats[0].parsedCount = | |
62e76326 | 1802 | HttpHeaderStats[hoRequest].parsedCount + HttpHeaderStats[hoReply].parsedCount; |
9bea1d5b | 1803 | HttpHeaderStats[0].ccParsedCount = |
62e76326 | 1804 | HttpHeaderStats[hoRequest].ccParsedCount + HttpHeaderStats[hoReply].ccParsedCount; |
9bea1d5b | 1805 | HttpHeaderStats[0].destroyedCount = |
62e76326 | 1806 | HttpHeaderStats[hoRequest].destroyedCount + HttpHeaderStats[hoReply].destroyedCount; |
9bea1d5b | 1807 | HttpHeaderStats[0].busyDestroyedCount = |
62e76326 | 1808 | HttpHeaderStats[hoRequest].busyDestroyedCount + HttpHeaderStats[hoReply].busyDestroyedCount; |
9bea1d5b | 1809 | |
95dc7ff4 | 1810 | for (i = 1; i < HttpHeaderStatCount; ++i) { |
62e76326 | 1811 | httpHeaderStatDump(HttpHeaderStats + i, e); |
12cf1be2 | 1812 | } |
62e76326 | 1813 | |
9bea1d5b | 1814 | /* field stats for all messages */ |
1815 | storeAppendPrintf(e, "\nHttp Fields Stats (replies and requests)\n"); | |
62e76326 | 1816 | |
077fe581 | 1817 | storeAppendPrintf(e, "%2s\t %-25s\t %5s\t %6s\t %6s\n", |
62e76326 | 1818 | "id", "name", "#alive", "%err", "%repeat"); |
1819 | ||
e6ccf245 | 1820 | for (ht = (http_hdr_type)0; ht < HDR_ENUM_END; ++ht) { |
62e76326 | 1821 | HttpHeaderFieldInfo *f = Headers + ht; |
077fe581 | 1822 | storeAppendPrintf(e, "%2d\t %-25s\t %5d\t %6.3f\t %6.3f\n", |
9d7a89a5 | 1823 | f->id, f->name.termedBuf(), f->stat.aliveCount, |
62e76326 | 1824 | xpercent(f->stat.errCount, f->stat.parsCount), |
1825 | xpercent(f->stat.repCount, f->stat.seenCount)); | |
12cf1be2 | 1826 | } |
62e76326 | 1827 | |
9bea1d5b | 1828 | storeAppendPrintf(e, "Headers Parsed: %d + %d = %d\n", |
62e76326 | 1829 | HttpHeaderStats[hoRequest].parsedCount, |
1830 | HttpHeaderStats[hoReply].parsedCount, | |
1831 | HttpHeaderStats[0].parsedCount); | |
9bea1d5b | 1832 | storeAppendPrintf(e, "Hdr Fields Parsed: %d\n", HeaderEntryParsedCount); |
cb69b4c7 | 1833 | } |
97474590 | 1834 | |
e6ccf245 | 1835 | http_hdr_type |
9b558d8a | 1836 | httpHeaderIdByName(const char *name, size_t name_len, const HttpHeaderFieldInfo * info, int end) |
97474590 | 1837 | { |
1545d2d1 AJ |
1838 | if (name_len > 0) { |
1839 | for (int i = 0; i < end; ++i) { | |
1840 | if (name_len != info[i].name.size()) | |
1841 | continue; | |
62e76326 | 1842 | |
1545d2d1 AJ |
1843 | if (!strncasecmp(name, info[i].name.rawBuf(), name_len)) |
1844 | return info[i].id; | |
1845 | } | |
97474590 | 1846 | } |
62e76326 | 1847 | |
e6ccf245 | 1848 | return HDR_BAD_HDR; |
97474590 | 1849 | } |
1850 | ||
e6ccf245 | 1851 | http_hdr_type |
9bea1d5b | 1852 | httpHeaderIdByNameDef(const char *name, int name_len) |
97474590 | 1853 | { |
9bea1d5b | 1854 | if (!Headers) |
62e76326 | 1855 | Headers = httpHeaderBuildFieldsInfo(HeadersAttrs, HDR_ENUM_END); |
1856 | ||
9bea1d5b | 1857 | return httpHeaderIdByName(name, name_len, Headers, HDR_ENUM_END); |
97474590 | 1858 | } |
efd900cb | 1859 | |
1860 | const char * | |
9bea1d5b | 1861 | httpHeaderNameById(int id) |
efd900cb | 1862 | { |
9bea1d5b | 1863 | if (!Headers) |
62e76326 | 1864 | Headers = httpHeaderBuildFieldsInfo(HeadersAttrs, HDR_ENUM_END); |
1865 | ||
9bea1d5b | 1866 | assert(id >= 0 && id < HDR_ENUM_END); |
62e76326 | 1867 | |
9d7a89a5 | 1868 | return Headers[id].name.termedBuf(); |
efd900cb | 1869 | } |
0353e724 | 1870 | |
924f73bc | 1871 | int |
a9925b40 | 1872 | HttpHeader::hasListMember(http_hdr_type id, const char *member, const char separator) const |
924f73bc | 1873 | { |
1874 | int result = 0; | |
1875 | const char *pos = NULL; | |
1876 | const char *item; | |
1877 | int ilen; | |
1878 | int mlen = strlen(member); | |
1879 | ||
924f73bc | 1880 | assert(id >= 0); |
1881 | ||
30abd221 | 1882 | String header (getStrOrList(id)); |
924f73bc | 1883 | |
9d0cdbb9 | 1884 | while (strListGetItem(&header, separator, &item, &ilen, &pos)) { |
380e7faf | 1885 | if (strncasecmp(item, member, mlen) == 0 |
9d0cdbb9 | 1886 | && (item[mlen] == '=' || item[mlen] == separator || item[mlen] == ';' || item[mlen] == '\0')) { |
1887 | result = 1; | |
1888 | break; | |
1889 | } | |
1890 | } | |
1891 | ||
1892 | return result; | |
1893 | } | |
1894 | ||
1895 | int | |
a9925b40 | 1896 | HttpHeader::hasByNameListMember(const char *name, const char *member, const char separator) const |
9d0cdbb9 | 1897 | { |
1898 | int result = 0; | |
1899 | const char *pos = NULL; | |
1900 | const char *item; | |
1901 | int ilen; | |
1902 | int mlen = strlen(member); | |
1903 | ||
9d0cdbb9 | 1904 | assert(name); |
1905 | ||
30abd221 | 1906 | String header (getByName(name)); |
9d0cdbb9 | 1907 | |
924f73bc | 1908 | while (strListGetItem(&header, separator, &item, &ilen, &pos)) { |
380e7faf | 1909 | if (strncasecmp(item, member, mlen) == 0 |
924f73bc | 1910 | && (item[mlen] == '=' || item[mlen] == separator || item[mlen] == ';' || item[mlen] == '\0')) { |
1911 | result = 1; | |
1912 | break; | |
1913 | } | |
1914 | } | |
1915 | ||
1916 | return result; | |
1917 | } | |
1918 | ||
2cdeea82 | 1919 | void |
1920 | HttpHeader::removeHopByHopEntries() | |
1921 | { | |
1922 | removeConnectionHeaderEntries(); | |
26ac0430 | 1923 | |
dcf3665b AJ |
1924 | const HttpHeaderEntry *e; |
1925 | HttpHeaderPos pos = HttpHeaderInitPos; | |
1926 | int headers_deleted = 0; | |
1927 | while ((e = getEntry(&pos))) { | |
26ac0430 AJ |
1928 | int id = e->id; |
1929 | if (CBIT_TEST(HopByHopHeadersMask, id)) { | |
1930 | delAt(pos, headers_deleted); | |
1931 | CBIT_CLR(mask, id); | |
1932 | } | |
dcf3665b | 1933 | } |
2cdeea82 | 1934 | } |
1935 | ||
924f73bc | 1936 | void |
1937 | HttpHeader::removeConnectionHeaderEntries() | |
1938 | { | |
a9925b40 | 1939 | if (has(HDR_CONNECTION)) { |
924f73bc | 1940 | /* anything that matches Connection list member will be deleted */ |
30abd221 | 1941 | String strConnection; |
26ac0430 AJ |
1942 | |
1943 | (void) getList(HDR_CONNECTION, &strConnection); | |
924f73bc | 1944 | const HttpHeaderEntry *e; |
1945 | HttpHeaderPos pos = HttpHeaderInitPos; | |
1946 | /* | |
1947 | * think: on-average-best nesting of the two loops (hdrEntry | |
1948 | * and strListItem) @?@ | |
1949 | */ | |
1950 | /* | |
1951 | * maybe we should delete standard stuff ("keep-alive","close") | |
1952 | * from strConnection first? | |
1953 | */ | |
1954 | ||
ba9fb01d | 1955 | int headers_deleted = 0; |
a9925b40 | 1956 | while ((e = getEntry(&pos))) { |
9d7a89a5 | 1957 | if (strListIsMember(&strConnection, e->name.termedBuf(), ',')) |
ba9fb01d | 1958 | delAt(pos, headers_deleted); |
924f73bc | 1959 | } |
ba9fb01d | 1960 | if (headers_deleted) |
1961 | refreshMask(); | |
924f73bc | 1962 | } |
1963 | } | |
f53969cc | 1964 |