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a47b9029 | 1 | |
30a4f2a8 | 2 | /* |
262a0e14 | 3 | * $Id$ |
30a4f2a8 | 4 | * |
5 | * DEBUG: section 10 Gopher | |
6 | * AUTHOR: Harvest Derived | |
7 | * | |
2b6662ba | 8 | * SQUID Web Proxy Cache http://www.squid-cache.org/ |
e25c139f | 9 | * ---------------------------------------------------------- |
30a4f2a8 | 10 | * |
2b6662ba | 11 | * Squid is the result of efforts by numerous individuals from |
12 | * the Internet community; see the CONTRIBUTORS file for full | |
13 | * details. Many organizations have provided support for Squid's | |
14 | * development; see the SPONSORS file for full details. Squid is | |
15 | * Copyrighted (C) 2001 by the Regents of the University of | |
16 | * California; see the COPYRIGHT file for full details. Squid | |
17 | * incorporates software developed and/or copyrighted by other | |
18 | * sources; see the CREDITS file for full details. | |
30a4f2a8 | 19 | * |
20 | * This program is free software; you can redistribute it and/or modify | |
21 | * it under the terms of the GNU General Public License as published by | |
22 | * the Free Software Foundation; either version 2 of the License, or | |
23 | * (at your option) any later version. | |
26ac0430 | 24 | * |
30a4f2a8 | 25 | * This program is distributed in the hope that it will be useful, |
26 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
27 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
28 | * GNU General Public License for more details. | |
26ac0430 | 29 | * |
30a4f2a8 | 30 | * You should have received a copy of the GNU General Public License |
31 | * along with this program; if not, write to the Free Software | |
cbdec147 | 32 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. |
e25c139f | 33 | * |
019dd986 | 34 | */ |
44a47c6e | 35 | |
f7f3304a | 36 | #include "squid-old.h" |
ec41b64c | 37 | #include "comm/Write.h" |
aa839030 | 38 | #include "errorpage.h" |
e6ccf245 | 39 | #include "Store.h" |
25f98340 | 40 | #include "html_quote.h" |
528b2c61 | 41 | #include "HttpRequest.h" |
9969d2a8 | 42 | #include "HttpReply.h" |
13de3699 | 43 | #include "comm.h" |
9a0a18de | 44 | #if USE_DELAY_POOLS |
b67e2c8c | 45 | #include "DelayPools.h" |
86a2f789 | 46 | #include "MemObject.h" |
b67e2c8c | 47 | #endif |
0eb49b6d | 48 | #include "MemBuf.h" |
b6b6f466 | 49 | #include "forward.h" |
1fa9b1a7 | 50 | #include "rfc1738.h" |
e4f1fdae | 51 | #include "StatCounters.h" |
985c86bc | 52 | #include "SquidTime.h" |
090089c4 | 53 | |
63be0a78 | 54 | /** |
55 | \defgroup ServerProtocolGopherInternal Server-Side Gopher Internals | |
56 | \ingroup ServerProtocolGopherAPI | |
57 | * Gopher is somewhat complex and gross because it must convert from | |
58 | * the Gopher protocol to HTTP. | |
59 | */ | |
60 | ||
090089c4 | 61 | /* gopher type code from rfc. Anawat. */ |
63be0a78 | 62 | /// \ingroup ServerProtocolGopherInternal |
090089c4 | 63 | #define GOPHER_FILE '0' |
63be0a78 | 64 | /// \ingroup ServerProtocolGopherInternal |
090089c4 | 65 | #define GOPHER_DIRECTORY '1' |
63be0a78 | 66 | /// \ingroup ServerProtocolGopherInternal |
090089c4 | 67 | #define GOPHER_CSO '2' |
63be0a78 | 68 | /// \ingroup ServerProtocolGopherInternal |
090089c4 | 69 | #define GOPHER_ERROR '3' |
63be0a78 | 70 | /// \ingroup ServerProtocolGopherInternal |
090089c4 | 71 | #define GOPHER_MACBINHEX '4' |
63be0a78 | 72 | /// \ingroup ServerProtocolGopherInternal |
090089c4 | 73 | #define GOPHER_DOSBIN '5' |
63be0a78 | 74 | /// \ingroup ServerProtocolGopherInternal |
090089c4 | 75 | #define GOPHER_UUENCODED '6' |
63be0a78 | 76 | /// \ingroup ServerProtocolGopherInternal |
090089c4 | 77 | #define GOPHER_INDEX '7' |
63be0a78 | 78 | /// \ingroup ServerProtocolGopherInternal |
090089c4 | 79 | #define GOPHER_TELNET '8' |
63be0a78 | 80 | /// \ingroup ServerProtocolGopherInternal |
090089c4 | 81 | #define GOPHER_BIN '9' |
63be0a78 | 82 | /// \ingroup ServerProtocolGopherInternal |
090089c4 | 83 | #define GOPHER_REDUNT '+' |
63be0a78 | 84 | /// \ingroup ServerProtocolGopherInternal |
090089c4 | 85 | #define GOPHER_3270 'T' |
63be0a78 | 86 | /// \ingroup ServerProtocolGopherInternal |
090089c4 | 87 | #define GOPHER_GIF 'g' |
63be0a78 | 88 | /// \ingroup ServerProtocolGopherInternal |
090089c4 | 89 | #define GOPHER_IMAGE 'I' |
90 | ||
63be0a78 | 91 | /// \ingroup ServerProtocolGopherInternal |
090089c4 | 92 | #define GOPHER_HTML 'h' /* HTML */ |
63be0a78 | 93 | /// \ingroup ServerProtocolGopherInternal |
090089c4 | 94 | #define GOPHER_INFO 'i' |
63be0a78 | 95 | /** |
96 | \ingroup ServerProtocolGopherInternal | |
97 | W3 address | |
98 | */ | |
99 | #define GOPHER_WWW 'w' | |
100 | /// \ingroup ServerProtocolGopherInternal | |
090089c4 | 101 | #define GOPHER_SOUND 's' |
102 | ||
63be0a78 | 103 | /// \ingroup ServerProtocolGopherInternal |
090089c4 | 104 | #define GOPHER_PLUS_IMAGE ':' |
63be0a78 | 105 | /// \ingroup ServerProtocolGopherInternal |
090089c4 | 106 | #define GOPHER_PLUS_MOVIE ';' |
63be0a78 | 107 | /// \ingroup ServerProtocolGopherInternal |
090089c4 | 108 | #define GOPHER_PLUS_SOUND '<' |
109 | ||
63be0a78 | 110 | /// \ingroup ServerProtocolGopherInternal |
090089c4 | 111 | #define GOPHER_PORT 70 |
090089c4 | 112 | |
63be0a78 | 113 | /// \ingroup ServerProtocolGopherInternal |
090089c4 | 114 | #define TAB '\t' |
63be0a78 | 115 | /// \ingroup ServerProtocolGopherInternal |
116 | /// \todo CODE: should this be a protocol-specific thing? | |
447e176b | 117 | #define TEMP_BUF_SIZE 4096 |
63be0a78 | 118 | /// \ingroup ServerProtocolGopherInternal |
090089c4 | 119 | #define MAX_CSO_RESULT 1024 |
120 | ||
63be0a78 | 121 | /// \ingroup ServerProtocolGopherInternal |
26ac0430 | 122 | typedef struct gopher_ds { |
090089c4 | 123 | StoreEntry *entry; |
090089c4 | 124 | enum { |
62e76326 | 125 | NORMAL, |
126 | HTML_DIR, | |
127 | HTML_INDEX_RESULT, | |
128 | HTML_CSO_RESULT, | |
129 | HTML_INDEX_PAGE, | |
130 | HTML_CSO_PAGE | |
090089c4 | 131 | } conversion; |
132 | int HTML_header_added; | |
d7443679 | 133 | int HTML_pre; |
090089c4 | 134 | char type_id; |
f2052513 | 135 | char request[MAX_URL]; |
090089c4 | 136 | int cso_recno; |
137 | int len; | |
138 | char *buf; /* pts to a 4k page */ | |
e0d28505 | 139 | Comm::ConnectionPointer serverConn; |
190154cf | 140 | HttpRequest *req; |
b6b6f466 | 141 | FwdState::Pointer fwd; |
c4b7a5a9 | 142 | char replybuf[BUFSIZ]; |
2fadd50d | 143 | } GopherStateData; |
56fa4cad | 144 | |
575d05c4 | 145 | static CLCB gopherStateFree; |
f5b8bbc4 | 146 | static void gopherMimeCreate(GopherStateData *); |
190154cf | 147 | static void gopher_request_parse(const HttpRequest * req, |
62e76326 | 148 | char *type_id, |
149 | char *request); | |
f5b8bbc4 | 150 | static void gopherEndHTML(GopherStateData *); |
151 | static void gopherToHTML(GopherStateData *, char *inbuf, int len); | |
8d77a37c | 152 | static CTCB gopherTimeout; |
c4b7a5a9 | 153 | static IOCB gopherReadReply; |
2b663917 | 154 | static IOCB gopherSendComplete; |
582b6456 | 155 | static PF gopherSendRequest; |
56fa4cad | 156 | |
63be0a78 | 157 | /// \ingroup ServerProtocolGopherInternal |
56fa4cad | 158 | static char def_gopher_bin[] = "www/unknown"; |
63be0a78 | 159 | |
160 | /// \ingroup ServerProtocolGopherInternal | |
56fa4cad | 161 | static char def_gopher_text[] = "text/plain"; |
090089c4 | 162 | |
63be0a78 | 163 | /// \ingroup ServerProtocolGopherInternal |
582b6456 | 164 | static void |
575d05c4 | 165 | gopherStateFree(const CommCloseCbParams ¶ms) |
ba718c8f | 166 | { |
575d05c4 | 167 | GopherStateData *gopherState = (GopherStateData *)params.data; |
62e76326 | 168 | |
51fa90db | 169 | if (gopherState == NULL) |
62e76326 | 170 | return; |
171 | ||
bfcaf585 | 172 | if (gopherState->entry) { |
97b5e68f | 173 | gopherState->entry->unlock(); |
bfcaf585 | 174 | } |
62e76326 | 175 | |
6dd9f4bd | 176 | HTTPMSGUNLOCK(gopherState->req); |
62e76326 | 177 | |
b6b6f466 | 178 | gopherState->fwd = NULL; // refcounted |
179 | ||
db1cd23c | 180 | memFree(gopherState->buf, MEM_4K_BUF); |
7dd44885 | 181 | gopherState->buf = NULL; |
182 | cbdataFree(gopherState); | |
ba718c8f | 183 | } |
184 | ||
63be0a78 | 185 | /** |
186 | \ingroup ServerProtocolGopherInternal | |
187 | * Create MIME Header for Gopher Data | |
188 | */ | |
b8d8561b | 189 | static void |
582b6456 | 190 | gopherMimeCreate(GopherStateData * gopherState) |
090089c4 | 191 | { |
9969d2a8 AJ |
192 | StoreEntry *entry = gopherState->entry; |
193 | const char *mime_type = NULL; | |
194 | const char *mime_enc = NULL; | |
090089c4 | 195 | |
582b6456 | 196 | switch (gopherState->type_id) { |
090089c4 | 197 | |
198 | case GOPHER_DIRECTORY: | |
62e76326 | 199 | |
090089c4 | 200 | case GOPHER_INDEX: |
62e76326 | 201 | |
090089c4 | 202 | case GOPHER_HTML: |
62e76326 | 203 | |
090089c4 | 204 | case GOPHER_WWW: |
62e76326 | 205 | |
090089c4 | 206 | case GOPHER_CSO: |
9969d2a8 | 207 | mime_type = "text/html"; |
62e76326 | 208 | break; |
209 | ||
090089c4 | 210 | case GOPHER_GIF: |
62e76326 | 211 | |
090089c4 | 212 | case GOPHER_IMAGE: |
62e76326 | 213 | |
090089c4 | 214 | case GOPHER_PLUS_IMAGE: |
9969d2a8 | 215 | mime_type = "image/gif"; |
62e76326 | 216 | break; |
217 | ||
090089c4 | 218 | case GOPHER_SOUND: |
62e76326 | 219 | |
090089c4 | 220 | case GOPHER_PLUS_SOUND: |
9969d2a8 | 221 | mime_type = "audio/basic"; |
62e76326 | 222 | break; |
223 | ||
090089c4 | 224 | case GOPHER_PLUS_MOVIE: |
9969d2a8 | 225 | mime_type = "video/mpeg"; |
62e76326 | 226 | break; |
227 | ||
090089c4 | 228 | case GOPHER_MACBINHEX: |
62e76326 | 229 | |
090089c4 | 230 | case GOPHER_DOSBIN: |
62e76326 | 231 | |
090089c4 | 232 | case GOPHER_UUENCODED: |
62e76326 | 233 | |
090089c4 | 234 | case GOPHER_BIN: |
62e76326 | 235 | /* Rightnow We have no idea what it is. */ |
9969d2a8 AJ |
236 | mime_enc = mimeGetContentEncoding(gopherState->request); |
237 | mime_type = mimeGetContentType(gopherState->request); | |
238 | if (!mime_type) | |
239 | mime_type = def_gopher_bin; | |
62e76326 | 240 | break; |
241 | ||
090089c4 | 242 | case GOPHER_FILE: |
62e76326 | 243 | |
090089c4 | 244 | default: |
9969d2a8 AJ |
245 | mime_enc = mimeGetContentEncoding(gopherState->request); |
246 | mime_type = mimeGetContentType(gopherState->request); | |
247 | if (!mime_type) | |
248 | mime_type = def_gopher_text; | |
62e76326 | 249 | break; |
090089c4 | 250 | } |
62e76326 | 251 | |
9969d2a8 AJ |
252 | assert(entry->isEmpty()); |
253 | EBIT_CLR(entry->flags, ENTRY_FWD_HDR_WAIT); | |
254 | ||
255 | HttpReply *reply = new HttpReply; | |
256 | entry->buffer(); | |
11992b6f | 257 | reply->setHeaders(HTTP_OK, "Gatewaying", mime_type, -1, -1, -2); |
9969d2a8 AJ |
258 | if (mime_enc) |
259 | reply->header.putStr(HDR_CONTENT_ENCODING, mime_enc); | |
260 | ||
261 | entry->replaceHttpReply(reply); | |
090089c4 | 262 | } |
263 | ||
63be0a78 | 264 | /** |
265 | \ingroup ServerProtocolGopherInternal | |
266 | * Parse a gopher request into components. By Anawat. | |
267 | */ | |
09fb5b61 | 268 | static void |
190154cf | 269 | gopher_request_parse(const HttpRequest * req, char *type_id, char *request) |
090089c4 | 270 | { |
d53b3f6d | 271 | const char *path = req->urlpath.termedBuf(); |
09fb5b61 | 272 | |
273 | if (request) | |
62e76326 | 274 | request[0] = '\0'; |
09fb5b61 | 275 | |
276 | if (path && (*path == '/')) | |
62e76326 | 277 | path++; |
09fb5b61 | 278 | |
279 | if (!path || !*path) { | |
62e76326 | 280 | *type_id = GOPHER_DIRECTORY; |
281 | return; | |
09fb5b61 | 282 | } |
62e76326 | 283 | |
09fb5b61 | 284 | *type_id = path[0]; |
285 | ||
286 | if (request) { | |
62e76326 | 287 | xstrncpy(request, path + 1, MAX_URL); |
288 | /* convert %xx to char */ | |
2c5d57e0 | 289 | rfc1738_unescape(request); |
090089c4 | 290 | } |
090089c4 | 291 | } |
292 | ||
63be0a78 | 293 | /** |
294 | \ingroup ServerProtocolGopherAPI | |
295 | * Parse the request to determine whether it is cachable. | |
296 | * | |
297 | \param req Request data. | |
298 | \retval 0 Not cachable. | |
299 | \retval 1 Cachable. | |
300 | */ | |
b8d8561b | 301 | int |
190154cf | 302 | gopherCachable(const HttpRequest * req) |
090089c4 | 303 | { |
090089c4 | 304 | int cachable = 1; |
09fb5b61 | 305 | char type_id; |
090089c4 | 306 | /* parse to see type */ |
09fb5b61 | 307 | gopher_request_parse(req, |
62e76326 | 308 | &type_id, |
309 | NULL); | |
310 | ||
09fb5b61 | 311 | switch (type_id) { |
62e76326 | 312 | |
090089c4 | 313 | case GOPHER_INDEX: |
62e76326 | 314 | |
090089c4 | 315 | case GOPHER_CSO: |
62e76326 | 316 | |
090089c4 | 317 | case GOPHER_TELNET: |
62e76326 | 318 | |
090089c4 | 319 | case GOPHER_3270: |
62e76326 | 320 | cachable = 0; |
321 | break; | |
322 | ||
090089c4 | 323 | default: |
62e76326 | 324 | cachable = 1; |
090089c4 | 325 | } |
62e76326 | 326 | |
090089c4 | 327 | return cachable; |
328 | } | |
329 | ||
63be0a78 | 330 | /// \ingroup ServerProtocolGopherInternal |
eb7d6bd6 | 331 | static void |
332 | gopherHTMLHeader(StoreEntry * e, const char *title, const char *substring) | |
333 | { | |
df339671 | 334 | storeAppendPrintf(e, "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">\n"); |
eb7d6bd6 | 335 | storeAppendPrintf(e, "<HTML><HEAD><TITLE>"); |
336 | storeAppendPrintf(e, title, substring); | |
df339671 | 337 | storeAppendPrintf(e, "</TITLE>"); |
d8c0128e | 338 | storeAppendPrintf(e, "<STYLE type=\"text/css\"><!--BODY{background-color:#ffffff;font-family:verdana,sans-serif}--></STYLE>\n"); |
df339671 | 339 | storeAppendPrintf(e, "</HEAD>\n<BODY><H1>"); |
eb7d6bd6 | 340 | storeAppendPrintf(e, title, substring); |
341 | storeAppendPrintf(e, "</H1>\n"); | |
342 | } | |
343 | ||
63be0a78 | 344 | /// \ingroup ServerProtocolGopherInternal |
eb7d6bd6 | 345 | static void |
346 | gopherHTMLFooter(StoreEntry * e) | |
347 | { | |
df339671 | 348 | storeAppendPrintf(e, "<HR noshade size=\"1px\">\n"); |
eb7d6bd6 | 349 | storeAppendPrintf(e, "<ADDRESS>\n"); |
350 | storeAppendPrintf(e, "Generated %s by %s (%s)\n", | |
62e76326 | 351 | mkrfc1123(squid_curtime), |
352 | getMyHostname(), | |
d3caee79 | 353 | visible_appname_string); |
eb7d6bd6 | 354 | storeAppendPrintf(e, "</ADDRESS></BODY></HTML>\n"); |
355 | } | |
356 | ||
63be0a78 | 357 | /// \ingroup ServerProtocolGopherInternal |
b8d8561b | 358 | static void |
582b6456 | 359 | gopherEndHTML(GopherStateData * gopherState) |
090089c4 | 360 | { |
eb7d6bd6 | 361 | StoreEntry *e = gopherState->entry; |
62e76326 | 362 | |
d7443679 | 363 | if (!gopherState->HTML_header_added) { |
62e76326 | 364 | gopherHTMLHeader(e, "Server Return Nothing", NULL); |
365 | storeAppendPrintf(e, "<P>The Gopher query resulted in a blank response</P>"); | |
d7443679 | 366 | } else if (gopherState->HTML_pre) { |
62e76326 | 367 | storeAppendPrintf(e, "</PRE>\n"); |
eb7d6bd6 | 368 | } |
62e76326 | 369 | |
eb7d6bd6 | 370 | gopherHTMLFooter(e); |
090089c4 | 371 | } |
372 | ||
63be0a78 | 373 | /** |
374 | \ingroup ServerProtocolGopherInternal | |
375 | * Convert Gopher to HTML. | |
376 | \par | |
377 | * Borrow part of code from libwww2 came with Mosaic distribution. | |
378 | */ | |
b8d8561b | 379 | static void |
582b6456 | 380 | gopherToHTML(GopherStateData * gopherState, char *inbuf, int len) |
090089c4 | 381 | { |
382 | char *pos = inbuf; | |
383 | char *lpos = NULL; | |
384 | char *tline = NULL; | |
95d659f0 | 385 | LOCAL_ARRAY(char, line, TEMP_BUF_SIZE); |
386 | LOCAL_ARRAY(char, tmpbuf, TEMP_BUF_SIZE); | |
090089c4 | 387 | char *name = NULL; |
388 | char *selector = NULL; | |
389 | char *host = NULL; | |
390 | char *port = NULL; | |
391 | char *escaped_selector = NULL; | |
d20b1cd0 | 392 | const char *icon_url = NULL; |
090089c4 | 393 | char gtype; |
394 | StoreEntry *entry = NULL; | |
395 | ||
53d02438 | 396 | memset(tmpbuf, '\0', TEMP_BUF_SIZE); |
397 | memset(line, '\0', TEMP_BUF_SIZE); | |
090089c4 | 398 | |
582b6456 | 399 | entry = gopherState->entry; |
090089c4 | 400 | |
e6ccf245 | 401 | if (gopherState->conversion == gopher_ds::HTML_INDEX_PAGE) { |
3900307b | 402 | char *html_url = html_quote(entry->url()); |
62e76326 | 403 | gopherHTMLHeader(entry, "Gopher Index %s", html_url); |
404 | storeAppendPrintf(entry, | |
405 | "<p>This is a searchable Gopher index. Use the search\n" | |
406 | "function of your browser to enter search terms.\n" | |
407 | "<ISINDEX>\n"); | |
408 | gopherHTMLFooter(entry); | |
409 | /* now let start sending stuff to client */ | |
3900307b | 410 | entry->flush(); |
d7443679 | 411 | gopherState->HTML_header_added = 1; |
62e76326 | 412 | |
413 | return; | |
090089c4 | 414 | } |
62e76326 | 415 | |
e6ccf245 | 416 | if (gopherState->conversion == gopher_ds::HTML_CSO_PAGE) { |
3900307b | 417 | char *html_url = html_quote(entry->url()); |
62e76326 | 418 | gopherHTMLHeader(entry, "CSO Search of %s", html_url); |
419 | storeAppendPrintf(entry, | |
420 | "<P>A CSO database usually contains a phonebook or\n" | |
421 | "directory. Use the search function of your browser to enter\n" | |
422 | "search terms.</P><ISINDEX>\n"); | |
423 | gopherHTMLFooter(entry); | |
424 | /* now let start sending stuff to client */ | |
3900307b | 425 | entry->flush(); |
d7443679 | 426 | gopherState->HTML_header_added = 1; |
62e76326 | 427 | |
428 | return; | |
090089c4 | 429 | } |
62e76326 | 430 | |
30abd221 | 431 | String outbuf; |
090089c4 | 432 | |
582b6456 | 433 | if (!gopherState->HTML_header_added) { |
62e76326 | 434 | if (gopherState->conversion == gopher_ds::HTML_CSO_RESULT) |
435 | gopherHTMLHeader(entry, "CSO Search Result", NULL); | |
436 | else | |
437 | gopherHTMLHeader(entry, "Gopher Menu", NULL); | |
438 | ||
439 | outbuf.append ("<PRE>"); | |
440 | ||
441 | gopherState->HTML_header_added = 1; | |
d7443679 | 442 | |
443 | gopherState->HTML_pre = 1; | |
090089c4 | 444 | } |
62e76326 | 445 | |
7592589a HN |
446 | while (pos < inbuf + len) { |
447 | int llen; | |
448 | int left = len - (pos - inbuf); | |
449 | lpos = (char *)memchr(pos, '\n', left); | |
450 | if (lpos) { | |
451 | lpos++; /* Next line is after \n */ | |
452 | llen = lpos - pos; | |
453 | } else { | |
454 | llen = left; | |
455 | } | |
456 | if (gopherState->len + llen >= TEMP_BUF_SIZE) { | |
457 | debugs(10, 1, "GopherHTML: Buffer overflow. Lost some data on URL: " << entry->url() ); | |
458 | llen = TEMP_BUF_SIZE - gopherState->len - 1; | |
459 | } | |
460 | if (!lpos) { | |
461 | /* there is no complete line in inbuf */ | |
462 | /* copy it to temp buffer */ | |
463 | /* note: llen is adjusted above */ | |
464 | memcpy(gopherState->buf + gopherState->len, pos, llen); | |
465 | gopherState->len += llen; | |
466 | break; | |
467 | } | |
62e76326 | 468 | if (gopherState->len != 0) { |
469 | /* there is something left from last tx. */ | |
7592589a HN |
470 | memcpy(line, gopherState->buf, gopherState->len); |
471 | memcpy(line + gopherState->len, pos, llen); | |
472 | llen += gopherState->len; | |
62e76326 | 473 | gopherState->len = 0; |
62e76326 | 474 | } else { |
7592589a | 475 | memcpy(line, pos, llen); |
62e76326 | 476 | } |
7592589a HN |
477 | line[llen + 1] = '\0'; |
478 | /* move input to next line */ | |
479 | pos = lpos; | |
62e76326 | 480 | |
481 | /* at this point. We should have one line in buffer to process */ | |
482 | ||
483 | if (*line == '.') { | |
484 | /* skip it */ | |
485 | memset(line, '\0', TEMP_BUF_SIZE); | |
486 | continue; | |
487 | } | |
488 | ||
489 | switch (gopherState->conversion) { | |
490 | ||
491 | case gopher_ds::HTML_INDEX_RESULT: | |
492 | ||
493 | case gopher_ds::HTML_DIR: { | |
26ac0430 AJ |
494 | tline = line; |
495 | gtype = *tline++; | |
496 | name = tline; | |
497 | selector = strchr(tline, TAB); | |
498 | ||
499 | if (selector) { | |
500 | *selector++ = '\0'; | |
501 | host = strchr(selector, TAB); | |
62e76326 | 502 | |
26ac0430 AJ |
503 | if (host) { |
504 | *host++ = '\0'; | |
505 | port = strchr(host, TAB); | |
62e76326 | 506 | |
26ac0430 AJ |
507 | if (port) { |
508 | char *junk; | |
509 | port[0] = ':'; | |
510 | junk = strchr(host, TAB); | |
62e76326 | 511 | |
26ac0430 AJ |
512 | if (junk) |
513 | *junk++ = 0; /* Chop port */ | |
514 | else { | |
515 | junk = strchr(host, '\r'); | |
62e76326 | 516 | |
517 | if (junk) | |
518 | *junk++ = 0; /* Chop port */ | |
519 | else { | |
26ac0430 | 520 | junk = strchr(host, '\n'); |
62e76326 | 521 | |
522 | if (junk) | |
523 | *junk++ = 0; /* Chop port */ | |
62e76326 | 524 | } |
62e76326 | 525 | } |
526 | ||
26ac0430 AJ |
527 | if ((port[1] == '0') && (!port[2])) |
528 | port[0] = 0; /* 0 means none */ | |
529 | } | |
62e76326 | 530 | |
26ac0430 AJ |
531 | /* escape a selector here */ |
532 | escaped_selector = xstrdup(rfc1738_escape_part(selector)); | |
62e76326 | 533 | |
26ac0430 | 534 | switch (gtype) { |
62e76326 | 535 | |
26ac0430 AJ |
536 | case GOPHER_DIRECTORY: |
537 | icon_url = mimeGetIconURL("internal-menu"); | |
538 | break; | |
539 | ||
540 | case GOPHER_HTML: | |
62e76326 | 541 | |
26ac0430 AJ |
542 | case GOPHER_FILE: |
543 | icon_url = mimeGetIconURL("internal-text"); | |
544 | break; | |
62e76326 | 545 | |
26ac0430 | 546 | case GOPHER_INDEX: |
62e76326 | 547 | |
26ac0430 AJ |
548 | case GOPHER_CSO: |
549 | icon_url = mimeGetIconURL("internal-index"); | |
550 | break; | |
62e76326 | 551 | |
26ac0430 | 552 | case GOPHER_IMAGE: |
62e76326 | 553 | |
26ac0430 | 554 | case GOPHER_GIF: |
62e76326 | 555 | |
26ac0430 AJ |
556 | case GOPHER_PLUS_IMAGE: |
557 | icon_url = mimeGetIconURL("internal-image"); | |
558 | break; | |
62e76326 | 559 | |
26ac0430 | 560 | case GOPHER_SOUND: |
62e76326 | 561 | |
26ac0430 AJ |
562 | case GOPHER_PLUS_SOUND: |
563 | icon_url = mimeGetIconURL("internal-sound"); | |
564 | break; | |
62e76326 | 565 | |
26ac0430 AJ |
566 | case GOPHER_PLUS_MOVIE: |
567 | icon_url = mimeGetIconURL("internal-movie"); | |
568 | break; | |
62e76326 | 569 | |
26ac0430 | 570 | case GOPHER_TELNET: |
62e76326 | 571 | |
26ac0430 AJ |
572 | case GOPHER_3270: |
573 | icon_url = mimeGetIconURL("internal-telnet"); | |
574 | break; | |
62e76326 | 575 | |
26ac0430 | 576 | case GOPHER_BIN: |
62e76326 | 577 | |
26ac0430 | 578 | case GOPHER_MACBINHEX: |
62e76326 | 579 | |
26ac0430 | 580 | case GOPHER_DOSBIN: |
62e76326 | 581 | |
26ac0430 AJ |
582 | case GOPHER_UUENCODED: |
583 | icon_url = mimeGetIconURL("internal-binary"); | |
584 | break; | |
62e76326 | 585 | |
26ac0430 AJ |
586 | case GOPHER_INFO: |
587 | icon_url = NULL; | |
588 | break; | |
62e76326 | 589 | |
26ac0430 AJ |
590 | default: |
591 | icon_url = mimeGetIconURL("internal-unknown"); | |
592 | break; | |
593 | } | |
62e76326 | 594 | |
26ac0430 | 595 | memset(tmpbuf, '\0', TEMP_BUF_SIZE); |
62e76326 | 596 | |
26ac0430 AJ |
597 | if ((gtype == GOPHER_TELNET) || (gtype == GOPHER_3270)) { |
598 | if (strlen(escaped_selector) != 0) | |
599 | snprintf(tmpbuf, TEMP_BUF_SIZE, "<IMG border=\"0\" SRC=\"%s\"> <A HREF=\"telnet://%s@%s%s%s/\">%s</A>\n", | |
600 | icon_url, escaped_selector, rfc1738_escape_part(host), | |
601 | *port ? ":" : "", port, html_quote(name)); | |
602 | else | |
603 | snprintf(tmpbuf, TEMP_BUF_SIZE, "<IMG border=\"0\" SRC=\"%s\"> <A HREF=\"telnet://%s%s%s/\">%s</A>\n", | |
604 | icon_url, rfc1738_escape_part(host), *port ? ":" : "", | |
605 | port, html_quote(name)); | |
62e76326 | 606 | |
26ac0430 AJ |
607 | } else if (gtype == GOPHER_INFO) { |
608 | snprintf(tmpbuf, TEMP_BUF_SIZE, "\t%s\n", html_quote(name)); | |
609 | } else { | |
610 | if (strncmp(selector, "GET /", 5) == 0) { | |
611 | /* WWW link */ | |
612 | snprintf(tmpbuf, TEMP_BUF_SIZE, "<IMG border=\"0\" SRC=\"%s\"> <A HREF=\"http://%s/%s\">%s</A>\n", | |
613 | icon_url, host, rfc1738_escape_unescaped(selector + 5), html_quote(name)); | |
62e76326 | 614 | } else { |
26ac0430 AJ |
615 | /* Standard link */ |
616 | snprintf(tmpbuf, TEMP_BUF_SIZE, "<IMG border=\"0\" SRC=\"%s\"> <A HREF=\"gopher://%s/%c%s\">%s</A>\n", | |
617 | icon_url, host, gtype, escaped_selector, html_quote(name)); | |
62e76326 | 618 | } |
62e76326 | 619 | } |
26ac0430 AJ |
620 | |
621 | safe_free(escaped_selector); | |
622 | outbuf.append(tmpbuf); | |
62e76326 | 623 | } else { |
624 | memset(line, '\0', TEMP_BUF_SIZE); | |
625 | continue; | |
626 | } | |
26ac0430 AJ |
627 | } else { |
628 | memset(line, '\0', TEMP_BUF_SIZE); | |
629 | continue; | |
630 | } | |
62e76326 | 631 | |
26ac0430 AJ |
632 | break; |
633 | } /* HTML_DIR, HTML_INDEX_RESULT */ | |
62e76326 | 634 | |
635 | ||
636 | case gopher_ds::HTML_CSO_RESULT: { | |
26ac0430 AJ |
637 | if (line[0] == '-') { |
638 | int code, recno; | |
639 | char *s_code, *s_recno, *result; | |
62e76326 | 640 | |
26ac0430 AJ |
641 | s_code = strtok(line + 1, ":\n"); |
642 | s_recno = strtok(NULL, ":\n"); | |
643 | result = strtok(NULL, "\n"); | |
62e76326 | 644 | |
26ac0430 AJ |
645 | if (!result) |
646 | break; | |
62e76326 | 647 | |
26ac0430 | 648 | code = atoi(s_code); |
62e76326 | 649 | |
26ac0430 | 650 | recno = atoi(s_recno); |
62e76326 | 651 | |
26ac0430 | 652 | if (code != 200) |
62e76326 | 653 | break; |
26ac0430 AJ |
654 | |
655 | if (gopherState->cso_recno != recno) { | |
656 | snprintf(tmpbuf, TEMP_BUF_SIZE, "</PRE><HR noshade size=\"1px\"><H2>Record# %d<br><i>%s</i></H2>\n<PRE>", recno, html_quote(result)); | |
657 | gopherState->cso_recno = recno; | |
62e76326 | 658 | } else { |
26ac0430 AJ |
659 | snprintf(tmpbuf, TEMP_BUF_SIZE, "%s\n", html_quote(result)); |
660 | } | |
661 | ||
662 | outbuf.append(tmpbuf); | |
663 | break; | |
664 | } else { | |
665 | int code; | |
666 | char *s_code, *result; | |
62e76326 | 667 | |
26ac0430 AJ |
668 | s_code = strtok(line, ":"); |
669 | result = strtok(NULL, "\n"); | |
62e76326 | 670 | |
26ac0430 AJ |
671 | if (!result) |
672 | break; | |
62e76326 | 673 | |
26ac0430 | 674 | code = atoi(s_code); |
62e76326 | 675 | |
26ac0430 | 676 | switch (code) { |
62e76326 | 677 | |
26ac0430 AJ |
678 | case 200: { |
679 | /* OK */ | |
680 | /* Do nothing here */ | |
681 | break; | |
682 | } | |
62e76326 | 683 | |
26ac0430 | 684 | case 102: /* Number of matches */ |
62e76326 | 685 | |
26ac0430 | 686 | case 501: /* No Match */ |
62e76326 | 687 | |
26ac0430 AJ |
688 | case 502: { /* Too Many Matches */ |
689 | /* Print the message the server returns */ | |
690 | snprintf(tmpbuf, TEMP_BUF_SIZE, "</PRE><HR noshade size=\"1px\"><H2>%s</H2>\n<PRE>", html_quote(result)); | |
691 | outbuf.append(tmpbuf); | |
692 | break; | |
693 | } | |
62e76326 | 694 | |
695 | ||
62e76326 | 696 | } |
26ac0430 | 697 | } |
62e76326 | 698 | |
26ac0430 | 699 | } /* HTML_CSO_RESULT */ |
62e76326 | 700 | |
701 | default: | |
702 | break; /* do nothing */ | |
703 | ||
704 | } /* switch */ | |
090089c4 | 705 | |
706 | } /* while loop */ | |
707 | ||
528b2c61 | 708 | if (outbuf.size() > 0) { |
d53b3f6d | 709 | entry->append(outbuf.rawBuf(), outbuf.size()); |
62e76326 | 710 | /* now let start sending stuff to client */ |
3900307b | 711 | entry->flush(); |
090089c4 | 712 | } |
62e76326 | 713 | |
30abd221 | 714 | outbuf.clean(); |
090089c4 | 715 | return; |
716 | } | |
717 | ||
63be0a78 | 718 | /// \ingroup ServerProtocolGopherInternal |
582b6456 | 719 | static void |
8d77a37c | 720 | gopherTimeout(const CommTimeoutCbParams &io) |
090089c4 | 721 | { |
8d77a37c AJ |
722 | GopherStateData *gopherState = static_cast<GopherStateData *>(io.data); |
723 | debugs(10, 4, HERE << io.conn << ": '" << gopherState->entry->url() << "'" ); | |
62e76326 | 724 | |
913524f0 | 725 | gopherState->fwd->fail(new ErrorState(ERR_READ_TIMEOUT, HTTP_GATEWAY_TIMEOUT, gopherState->fwd->request)); |
62e76326 | 726 | |
8d77a37c AJ |
727 | if (Comm::IsConnOpen(io.conn)) |
728 | io.conn->close(); | |
090089c4 | 729 | } |
730 | ||
63be0a78 | 731 | /** |
732 | \ingroup ServerProtocolGopherInternal | |
733 | * This will be called when data is ready to be read from fd. | |
734 | * Read until error or connection closed. | |
735 | */ | |
b8d8561b | 736 | static void |
e0d28505 | 737 | gopherReadReply(const Comm::ConnectionPointer &conn, char *buf, size_t len, comm_err_t flag, int xerrno, void *data) |
090089c4 | 738 | { |
e6ccf245 | 739 | GopherStateData *gopherState = (GopherStateData *)data; |
bfcaf585 | 740 | StoreEntry *entry = gopherState->entry; |
090089c4 | 741 | int clen; |
56fa4cad | 742 | int bin; |
c4b7a5a9 | 743 | size_t read_sz = BUFSIZ; |
9a0a18de | 744 | #if USE_DELAY_POOLS |
b67e2c8c | 745 | DelayId delayId = entry->mem_obj->mostBytesAllowed(); |
447e176b | 746 | #endif |
c4b7a5a9 | 747 | |
748 | /* Bail out early on COMM_ERR_CLOSING - close handlers will tidy up for us */ | |
62e76326 | 749 | |
c4b7a5a9 | 750 | if (flag == COMM_ERR_CLOSING) { |
751 | return; | |
752 | } | |
753 | ||
754 | assert(buf == gopherState->replybuf); | |
62e76326 | 755 | |
e92e4e44 | 756 | if (EBIT_TEST(entry->flags, ENTRY_ABORTED)) { |
e0d28505 | 757 | gopherState->serverConn->close(); |
62e76326 | 758 | return; |
e92e4e44 | 759 | } |
c4b7a5a9 | 760 | |
6fe6313d | 761 | errno = 0; |
9a0a18de | 762 | #if USE_DELAY_POOLS |
b67e2c8c | 763 | read_sz = delayId.bytesWanted(1, read_sz); |
447e176b | 764 | #endif |
c4b7a5a9 | 765 | |
56fa4cad | 766 | /* leave one space for \0 in gopherToHTML */ |
62e76326 | 767 | |
c4b7a5a9 | 768 | if (flag == COMM_OK && len > 0) { |
9a0a18de | 769 | #if USE_DELAY_POOLS |
62e76326 | 770 | delayId.bytesIn(len); |
447e176b | 771 | #endif |
62e76326 | 772 | |
e4f1fdae FC |
773 | kb_incr(&(statCounter.server.all.kbytes_in), len); |
774 | kb_incr(&(statCounter.server.other.kbytes_in), len); | |
ee1679df | 775 | } |
62e76326 | 776 | |
1b76e6c1 | 777 | debugs(10, 5, HERE << conn << " read len=" << len); |
62e76326 | 778 | |
c4b7a5a9 | 779 | if (flag == COMM_OK && len > 0) { |
8d77a37c AJ |
780 | AsyncCall::Pointer nil; |
781 | commSetConnTimeout(conn, Config.Timeout.read, nil); | |
62e76326 | 782 | IOStats.Gopher.reads++; |
783 | ||
784 | for (clen = len - 1, bin = 0; clen; bin++) | |
785 | clen >>= 1; | |
786 | ||
787 | IOStats.Gopher.read_hist[bin]++; | |
bae917ac CT |
788 | |
789 | HttpRequest *req = gopherState->fwd->request; | |
dcaab393 | 790 | if (req->hier.bodyBytesRead < 0) |
bae917ac | 791 | req->hier.bodyBytesRead = 0; |
dcaab393 | 792 | |
bae917ac | 793 | req->hier.bodyBytesRead += len; |
56fa4cad | 794 | } |
62e76326 | 795 | |
006f376d | 796 | if (flag != COMM_OK) { |
bf8fe701 | 797 | debugs(50, 1, "gopherReadReply: error reading: " << xstrerror()); |
62e76326 | 798 | |
799 | if (ignoreErrno(errno)) { | |
1b76e6c1 AJ |
800 | AsyncCall::Pointer call = commCbCall(5,4, "gopherReadReply", |
801 | CommIoCbPtrFun(gopherReadReply, gopherState)); | |
802 | comm_read(conn, buf, read_sz, call); | |
6cae5db1 | 803 | } else { |
913524f0 | 804 | ErrorState *err = new ErrorState(ERR_READ_ERROR, HTTP_INTERNAL_SERVER_ERROR, gopherState->fwd->request); |
62e76326 | 805 | err->xerrno = errno; |
b6b6f466 | 806 | gopherState->fwd->fail(err); |
e0d28505 | 807 | gopherState->serverConn->close(); |
62e76326 | 808 | } |
528b2c61 | 809 | } else if (len == 0 && entry->isEmpty()) { |
913524f0 | 810 | gopherState->fwd->fail(new ErrorState(ERR_ZERO_SIZE_OBJECT, HTTP_SERVICE_UNAVAILABLE, gopherState->fwd->request)); |
e0d28505 | 811 | gopherState->serverConn->close(); |
090089c4 | 812 | } else if (len == 0) { |
62e76326 | 813 | /* Connection closed; retrieval done. */ |
bb790702 | 814 | /* flush the rest of data in temp buf if there is one. */ |
62e76326 | 815 | |
816 | if (gopherState->conversion != gopher_ds::NORMAL) | |
817 | gopherEndHTML(gopherState); | |
818 | ||
3900307b | 819 | entry->timestampsSet(); |
3900307b | 820 | entry->flush(); |
b6b6f466 | 821 | gopherState->fwd->complete(); |
e0d28505 | 822 | gopherState->serverConn->close(); |
090089c4 | 823 | } else { |
62e76326 | 824 | if (gopherState->conversion != gopher_ds::NORMAL) { |
825 | gopherToHTML(gopherState, buf, len); | |
826 | } else { | |
3900307b | 827 | entry->append(buf, len); |
62e76326 | 828 | } |
abd8f140 AJ |
829 | AsyncCall::Pointer call = commCbCall(5,4, "gopherReadReply", |
830 | CommIoCbPtrFun(gopherReadReply, gopherState)); | |
831 | comm_read(conn, buf, read_sz, call); | |
832 | } | |
090089c4 | 833 | } |
834 | ||
63be0a78 | 835 | /** |
836 | \ingroup ServerProtocolGopherInternal | |
837 | * This will be called when request write is complete. Schedule read of reply. | |
838 | */ | |
b8d8561b | 839 | static void |
e0d28505 | 840 | gopherSendComplete(const Comm::ConnectionPointer &conn, char *buf, size_t size, comm_err_t errflag, int xerrno, void *data) |
090089c4 | 841 | { |
56fa4cad | 842 | GopherStateData *gopherState = (GopherStateData *) data; |
70a9dab4 | 843 | StoreEntry *entry = gopherState->entry; |
e0d28505 | 844 | debugs(10, 5, HERE << conn << " size: " << size << " errflag: " << errflag); |
62e76326 | 845 | |
ee1679df | 846 | if (size > 0) { |
e0d28505 | 847 | fd_bytes(conn->fd, size, FD_WRITE); |
e4f1fdae FC |
848 | kb_incr(&(statCounter.server.all.kbytes_out), size); |
849 | kb_incr(&(statCounter.server.other.kbytes_out), size); | |
ee1679df | 850 | } |
62e76326 | 851 | |
090089c4 | 852 | if (errflag) { |
62e76326 | 853 | ErrorState *err; |
913524f0 | 854 | err = new ErrorState(ERR_WRITE_ERROR, HTTP_SERVICE_UNAVAILABLE, gopherState->fwd->request); |
62e76326 | 855 | err->xerrno = errno; |
d2b3e30e | 856 | err->port = gopherState->fwd->request->port; |
3900307b | 857 | err->url = xstrdup(entry->url()); |
b6b6f466 | 858 | gopherState->fwd->fail(err); |
e0d28505 | 859 | gopherState->serverConn->close(); |
62e76326 | 860 | |
861 | if (buf) | |
862 | memFree(buf, MEM_4K_BUF); /* Allocated by gopherSendRequest. */ | |
863 | ||
864 | return; | |
090089c4 | 865 | } |
62e76326 | 866 | |
867 | /* | |
090089c4 | 868 | * OK. We successfully reach remote site. Start MIME typing |
869 | * stuff. Do it anyway even though request is not HTML type. | |
870 | */ | |
3900307b | 871 | entry->buffer(); |
b66315e4 | 872 | |
30a4f2a8 | 873 | gopherMimeCreate(gopherState); |
62e76326 | 874 | |
a47b9029 | 875 | switch (gopherState->type_id) { |
62e76326 | 876 | |
a47b9029 | 877 | case GOPHER_DIRECTORY: |
62e76326 | 878 | /* we got to convert it first */ |
62e76326 | 879 | gopherState->conversion = gopher_ds::HTML_DIR; |
880 | gopherState->HTML_header_added = 0; | |
881 | break; | |
882 | ||
a47b9029 | 883 | case GOPHER_INDEX: |
62e76326 | 884 | /* we got to convert it first */ |
62e76326 | 885 | gopherState->conversion = gopher_ds::HTML_INDEX_RESULT; |
886 | gopherState->HTML_header_added = 0; | |
887 | break; | |
888 | ||
a47b9029 | 889 | case GOPHER_CSO: |
62e76326 | 890 | /* we got to convert it first */ |
62e76326 | 891 | gopherState->conversion = gopher_ds::HTML_CSO_RESULT; |
892 | gopherState->cso_recno = 0; | |
893 | gopherState->HTML_header_added = 0; | |
894 | break; | |
895 | ||
a47b9029 | 896 | default: |
62e76326 | 897 | gopherState->conversion = gopher_ds::NORMAL; |
3900307b | 898 | entry->flush(); |
86101e40 | 899 | } |
62e76326 | 900 | |
090089c4 | 901 | /* Schedule read reply. */ |
8d77a37c | 902 | AsyncCall::Pointer call = commCbCall(5,5, "gopherReadReply", |
26ac0430 | 903 | CommIoCbPtrFun(gopherReadReply, gopherState)); |
3e4bebf8 | 904 | entry->delayAwareRead(conn, gopherState->replybuf, BUFSIZ, call); |
62e76326 | 905 | |
090089c4 | 906 | if (buf) |
62e76326 | 907 | memFree(buf, MEM_4K_BUF); /* Allocated by gopherSendRequest. */ |
090089c4 | 908 | } |
909 | ||
63be0a78 | 910 | /** |
911 | \ingroup ServerProtocolGopherInternal | |
912 | * This will be called when connect completes. Write request. | |
913 | */ | |
b8d8561b | 914 | static void |
582b6456 | 915 | gopherSendRequest(int fd, void *data) |
090089c4 | 916 | { |
e6ccf245 | 917 | GopherStateData *gopherState = (GopherStateData *)data; |
918 | char *buf = (char *)memAllocate(MEM_4K_BUF); | |
62e76326 | 919 | |
582b6456 | 920 | if (gopherState->type_id == GOPHER_CSO) { |
62e76326 | 921 | const char *t = strchr(gopherState->request, '?'); |
922 | ||
923 | if (t != NULL) | |
924 | t++; /* skip the ? */ | |
925 | else | |
926 | t = ""; | |
927 | ||
928 | snprintf(buf, 4096, "query %s\r\nquit\r\n", t); | |
582b6456 | 929 | } else if (gopherState->type_id == GOPHER_INDEX) { |
62e76326 | 930 | char *t = strchr(gopherState->request, '?'); |
931 | ||
932 | if (t != NULL) | |
933 | *t = '\t'; | |
934 | ||
935 | snprintf(buf, 4096, "%s\r\n", gopherState->request); | |
090089c4 | 936 | } else { |
62e76326 | 937 | snprintf(buf, 4096, "%s\r\n", gopherState->request); |
090089c4 | 938 | } |
62e76326 | 939 | |
e0d28505 | 940 | debugs(10, 5, HERE << gopherState->serverConn); |
ec41b64c AJ |
941 | AsyncCall::Pointer call = commCbCall(5,5, "gopherSendComplete", |
942 | CommIoCbPtrFun(gopherSendComplete, gopherState)); | |
b0388924 | 943 | Comm::Write(gopherState->serverConn, buf, strlen(buf), call, NULL); |
62e76326 | 944 | |
d46a87a8 | 945 | if (EBIT_TEST(gopherState->entry->flags, ENTRY_CACHABLE)) |
d88e3c49 | 946 | gopherState->entry->setPublicKey(); /* Make it public */ |
090089c4 | 947 | } |
948 | ||
63be0a78 | 949 | /// \ingroup ServerProtocolGopherInternal |
09fb5b61 | 950 | CBDATA_TYPE(GopherStateData); |
951 | ||
63be0a78 | 952 | /// \ingroup ServerProtocolGopherAPI |
770f051d | 953 | void |
b6b6f466 | 954 | gopherStart(FwdState * fwd) |
090089c4 | 955 | { |
b6b6f466 | 956 | StoreEntry *entry = fwd->entry; |
09fb5b61 | 957 | GopherStateData *gopherState; |
958 | CBDATA_INIT_TYPE(GopherStateData); | |
959 | gopherState = cbdataAlloc(GopherStateData); | |
e6ccf245 | 960 | gopherState->buf = (char *)memAllocate(MEM_4K_BUF); |
34266cde | 961 | |
3d0ac046 | 962 | entry->lock(); |
582b6456 | 963 | gopherState->entry = entry; |
34266cde | 964 | |
b6b6f466 | 965 | gopherState->fwd = fwd; |
34266cde | 966 | |
bf8fe701 | 967 | debugs(10, 3, "gopherStart: " << entry->url() ); |
34266cde | 968 | |
83704487 | 969 | statCounter.server.all.requests++; |
34266cde | 970 | |
83704487 | 971 | statCounter.server.other.requests++; |
34266cde | 972 | |
090089c4 | 973 | /* Parse url. */ |
b6b6f466 | 974 | gopher_request_parse(fwd->request, |
62e76326 | 975 | &gopherState->type_id, gopherState->request); |
34266cde | 976 | |
5229395c | 977 | comm_add_close_handler(fwd->serverConnection()->fd, gopherStateFree, gopherState); |
62e76326 | 978 | |
582b6456 | 979 | if (((gopherState->type_id == GOPHER_INDEX) || (gopherState->type_id == GOPHER_CSO)) |
62e76326 | 980 | && (strchr(gopherState->request, '?') == NULL)) { |
981 | /* Index URL without query word */ | |
982 | /* We have to generate search page back to client. No need for connection */ | |
983 | gopherMimeCreate(gopherState); | |
984 | ||
985 | if (gopherState->type_id == GOPHER_INDEX) { | |
986 | gopherState->conversion = gopher_ds::HTML_INDEX_PAGE; | |
987 | } else { | |
988 | if (gopherState->type_id == GOPHER_CSO) { | |
989 | gopherState->conversion = gopher_ds::HTML_CSO_PAGE; | |
990 | } else { | |
991 | gopherState->conversion = gopher_ds::HTML_INDEX_PAGE; | |
992 | } | |
993 | } | |
994 | ||
995 | gopherToHTML(gopherState, (char *) NULL, 0); | |
b6b6f466 | 996 | fwd->complete(); |
62e76326 | 997 | return; |
090089c4 | 998 | } |
62e76326 | 999 | |
e0d28505 | 1000 | gopherState->serverConn = fwd->serverConnection(); |
5229395c | 1001 | gopherSendRequest(fwd->serverConnection()->fd, gopherState); |
8d77a37c | 1002 | AsyncCall::Pointer timeoutCall = commCbCall(5, 4, "gopherTimeout", |
dc49061a | 1003 | CommTimeoutCbPtrFun(gopherTimeout, gopherState)); |
8d77a37c | 1004 | commSetConnTimeout(fwd->serverConnection(), Config.Timeout.read, timeoutCall); |
e5f6c5c2 | 1005 | } |