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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 | |
36 | #include "squid.h" | |
aa839030 | 37 | #include "errorpage.h" |
e6ccf245 | 38 | #include "Store.h" |
25f98340 | 39 | #include "html_quote.h" |
528b2c61 | 40 | #include "HttpRequest.h" |
9969d2a8 | 41 | #include "HttpReply.h" |
13de3699 | 42 | #include "comm.h" |
b67e2c8c | 43 | #if DELAY_POOLS |
44 | #include "DelayPools.h" | |
86a2f789 | 45 | #include "MemObject.h" |
b67e2c8c | 46 | #endif |
0eb49b6d | 47 | #include "MemBuf.h" |
b6b6f466 | 48 | #include "forward.h" |
1fa9b1a7 | 49 | #include "rfc1738.h" |
985c86bc | 50 | #include "SquidTime.h" |
090089c4 | 51 | |
63be0a78 | 52 | /** |
53 | \defgroup ServerProtocolGopherInternal Server-Side Gopher Internals | |
54 | \ingroup ServerProtocolGopherAPI | |
55 | * Gopher is somewhat complex and gross because it must convert from | |
56 | * the Gopher protocol to HTTP. | |
57 | */ | |
58 | ||
090089c4 | 59 | /* gopher type code from rfc. Anawat. */ |
63be0a78 | 60 | /// \ingroup ServerProtocolGopherInternal |
090089c4 | 61 | #define GOPHER_FILE '0' |
63be0a78 | 62 | /// \ingroup ServerProtocolGopherInternal |
090089c4 | 63 | #define GOPHER_DIRECTORY '1' |
63be0a78 | 64 | /// \ingroup ServerProtocolGopherInternal |
090089c4 | 65 | #define GOPHER_CSO '2' |
63be0a78 | 66 | /// \ingroup ServerProtocolGopherInternal |
090089c4 | 67 | #define GOPHER_ERROR '3' |
63be0a78 | 68 | /// \ingroup ServerProtocolGopherInternal |
090089c4 | 69 | #define GOPHER_MACBINHEX '4' |
63be0a78 | 70 | /// \ingroup ServerProtocolGopherInternal |
090089c4 | 71 | #define GOPHER_DOSBIN '5' |
63be0a78 | 72 | /// \ingroup ServerProtocolGopherInternal |
090089c4 | 73 | #define GOPHER_UUENCODED '6' |
63be0a78 | 74 | /// \ingroup ServerProtocolGopherInternal |
090089c4 | 75 | #define GOPHER_INDEX '7' |
63be0a78 | 76 | /// \ingroup ServerProtocolGopherInternal |
090089c4 | 77 | #define GOPHER_TELNET '8' |
63be0a78 | 78 | /// \ingroup ServerProtocolGopherInternal |
090089c4 | 79 | #define GOPHER_BIN '9' |
63be0a78 | 80 | /// \ingroup ServerProtocolGopherInternal |
090089c4 | 81 | #define GOPHER_REDUNT '+' |
63be0a78 | 82 | /// \ingroup ServerProtocolGopherInternal |
090089c4 | 83 | #define GOPHER_3270 'T' |
63be0a78 | 84 | /// \ingroup ServerProtocolGopherInternal |
090089c4 | 85 | #define GOPHER_GIF 'g' |
63be0a78 | 86 | /// \ingroup ServerProtocolGopherInternal |
090089c4 | 87 | #define GOPHER_IMAGE 'I' |
88 | ||
63be0a78 | 89 | /// \ingroup ServerProtocolGopherInternal |
090089c4 | 90 | #define GOPHER_HTML 'h' /* HTML */ |
63be0a78 | 91 | /// \ingroup ServerProtocolGopherInternal |
090089c4 | 92 | #define GOPHER_INFO 'i' |
63be0a78 | 93 | /** |
94 | \ingroup ServerProtocolGopherInternal | |
95 | W3 address | |
96 | */ | |
97 | #define GOPHER_WWW 'w' | |
98 | /// \ingroup ServerProtocolGopherInternal | |
090089c4 | 99 | #define GOPHER_SOUND 's' |
100 | ||
63be0a78 | 101 | /// \ingroup ServerProtocolGopherInternal |
090089c4 | 102 | #define GOPHER_PLUS_IMAGE ':' |
63be0a78 | 103 | /// \ingroup ServerProtocolGopherInternal |
090089c4 | 104 | #define GOPHER_PLUS_MOVIE ';' |
63be0a78 | 105 | /// \ingroup ServerProtocolGopherInternal |
090089c4 | 106 | #define GOPHER_PLUS_SOUND '<' |
107 | ||
63be0a78 | 108 | /// \ingroup ServerProtocolGopherInternal |
090089c4 | 109 | #define GOPHER_PORT 70 |
090089c4 | 110 | |
63be0a78 | 111 | /// \ingroup ServerProtocolGopherInternal |
090089c4 | 112 | #define TAB '\t' |
63be0a78 | 113 | /// \ingroup ServerProtocolGopherInternal |
114 | /// \todo CODE: should this be a protocol-specific thing? | |
447e176b | 115 | #define TEMP_BUF_SIZE 4096 |
63be0a78 | 116 | /// \ingroup ServerProtocolGopherInternal |
090089c4 | 117 | #define MAX_CSO_RESULT 1024 |
118 | ||
63be0a78 | 119 | /// \ingroup ServerProtocolGopherInternal |
26ac0430 | 120 | typedef struct gopher_ds { |
090089c4 | 121 | StoreEntry *entry; |
090089c4 | 122 | enum { |
62e76326 | 123 | NORMAL, |
124 | HTML_DIR, | |
125 | HTML_INDEX_RESULT, | |
126 | HTML_CSO_RESULT, | |
127 | HTML_INDEX_PAGE, | |
128 | HTML_CSO_PAGE | |
090089c4 | 129 | } conversion; |
130 | int HTML_header_added; | |
d7443679 | 131 | int HTML_pre; |
090089c4 | 132 | char type_id; |
f2052513 | 133 | char request[MAX_URL]; |
090089c4 | 134 | int cso_recno; |
135 | int len; | |
136 | char *buf; /* pts to a 4k page */ | |
bfcaf585 | 137 | int fd; |
190154cf | 138 | HttpRequest *req; |
b6b6f466 | 139 | FwdState::Pointer fwd; |
c4b7a5a9 | 140 | char replybuf[BUFSIZ]; |
2fadd50d | 141 | } GopherStateData; |
56fa4cad | 142 | |
582b6456 | 143 | static PF gopherStateFree; |
f5b8bbc4 | 144 | static void gopherMimeCreate(GopherStateData *); |
190154cf | 145 | static void gopher_request_parse(const HttpRequest * req, |
62e76326 | 146 | char *type_id, |
147 | char *request); | |
f5b8bbc4 | 148 | static void gopherEndHTML(GopherStateData *); |
149 | static void gopherToHTML(GopherStateData *, char *inbuf, int len); | |
5c5783a2 | 150 | static PF gopherTimeout; |
c4b7a5a9 | 151 | static IOCB gopherReadReply; |
2b663917 | 152 | static IOCB gopherSendComplete; |
582b6456 | 153 | static PF gopherSendRequest; |
56fa4cad | 154 | |
63be0a78 | 155 | /// \ingroup ServerProtocolGopherInternal |
56fa4cad | 156 | static char def_gopher_bin[] = "www/unknown"; |
63be0a78 | 157 | |
158 | /// \ingroup ServerProtocolGopherInternal | |
56fa4cad | 159 | static char def_gopher_text[] = "text/plain"; |
090089c4 | 160 | |
63be0a78 | 161 | /// \ingroup ServerProtocolGopherInternal |
582b6456 | 162 | static void |
79d39a72 | 163 | gopherStateFree(int fdnotused, void *data) |
ba718c8f | 164 | { |
e6ccf245 | 165 | GopherStateData *gopherState = (GopherStateData *)data; |
62e76326 | 166 | |
51fa90db | 167 | if (gopherState == NULL) |
62e76326 | 168 | return; |
169 | ||
bfcaf585 | 170 | if (gopherState->entry) { |
97b5e68f | 171 | gopherState->entry->unlock(); |
bfcaf585 | 172 | } |
62e76326 | 173 | |
6dd9f4bd | 174 | HTTPMSGUNLOCK(gopherState->req); |
62e76326 | 175 | |
b6b6f466 | 176 | gopherState->fwd = NULL; // refcounted |
177 | ||
db1cd23c | 178 | memFree(gopherState->buf, MEM_4K_BUF); |
7dd44885 | 179 | gopherState->buf = NULL; |
180 | cbdataFree(gopherState); | |
ba718c8f | 181 | } |
182 | ||
63be0a78 | 183 | /** |
184 | \ingroup ServerProtocolGopherInternal | |
185 | * Create MIME Header for Gopher Data | |
186 | */ | |
b8d8561b | 187 | static void |
582b6456 | 188 | gopherMimeCreate(GopherStateData * gopherState) |
090089c4 | 189 | { |
9969d2a8 AJ |
190 | StoreEntry *entry = gopherState->entry; |
191 | const char *mime_type = NULL; | |
192 | const char *mime_enc = NULL; | |
090089c4 | 193 | |
582b6456 | 194 | switch (gopherState->type_id) { |
090089c4 | 195 | |
196 | case GOPHER_DIRECTORY: | |
62e76326 | 197 | |
090089c4 | 198 | case GOPHER_INDEX: |
62e76326 | 199 | |
090089c4 | 200 | case GOPHER_HTML: |
62e76326 | 201 | |
090089c4 | 202 | case GOPHER_WWW: |
62e76326 | 203 | |
090089c4 | 204 | case GOPHER_CSO: |
9969d2a8 | 205 | mime_type = "text/html"; |
62e76326 | 206 | break; |
207 | ||
090089c4 | 208 | case GOPHER_GIF: |
62e76326 | 209 | |
090089c4 | 210 | case GOPHER_IMAGE: |
62e76326 | 211 | |
090089c4 | 212 | case GOPHER_PLUS_IMAGE: |
9969d2a8 | 213 | mime_type = "image/gif"; |
62e76326 | 214 | break; |
215 | ||
090089c4 | 216 | case GOPHER_SOUND: |
62e76326 | 217 | |
090089c4 | 218 | case GOPHER_PLUS_SOUND: |
9969d2a8 | 219 | mime_type = "audio/basic"; |
62e76326 | 220 | break; |
221 | ||
090089c4 | 222 | case GOPHER_PLUS_MOVIE: |
9969d2a8 | 223 | mime_type = "video/mpeg"; |
62e76326 | 224 | break; |
225 | ||
090089c4 | 226 | case GOPHER_MACBINHEX: |
62e76326 | 227 | |
090089c4 | 228 | case GOPHER_DOSBIN: |
62e76326 | 229 | |
090089c4 | 230 | case GOPHER_UUENCODED: |
62e76326 | 231 | |
090089c4 | 232 | case GOPHER_BIN: |
62e76326 | 233 | /* Rightnow We have no idea what it is. */ |
9969d2a8 AJ |
234 | mime_enc = mimeGetContentEncoding(gopherState->request); |
235 | mime_type = mimeGetContentType(gopherState->request); | |
236 | if (!mime_type) | |
237 | mime_type = def_gopher_bin; | |
62e76326 | 238 | break; |
239 | ||
090089c4 | 240 | case GOPHER_FILE: |
62e76326 | 241 | |
090089c4 | 242 | default: |
9969d2a8 AJ |
243 | mime_enc = mimeGetContentEncoding(gopherState->request); |
244 | mime_type = mimeGetContentType(gopherState->request); | |
245 | if (!mime_type) | |
246 | mime_type = def_gopher_text; | |
62e76326 | 247 | break; |
090089c4 | 248 | } |
62e76326 | 249 | |
9969d2a8 AJ |
250 | assert(entry->isEmpty()); |
251 | EBIT_CLR(entry->flags, ENTRY_FWD_HDR_WAIT); | |
252 | ||
253 | HttpReply *reply = new HttpReply; | |
254 | entry->buffer(); | |
11992b6f | 255 | reply->setHeaders(HTTP_OK, "Gatewaying", mime_type, -1, -1, -2); |
9969d2a8 AJ |
256 | if (mime_enc) |
257 | reply->header.putStr(HDR_CONTENT_ENCODING, mime_enc); | |
258 | ||
259 | entry->replaceHttpReply(reply); | |
090089c4 | 260 | } |
261 | ||
63be0a78 | 262 | /** |
263 | \ingroup ServerProtocolGopherInternal | |
264 | * Parse a gopher request into components. By Anawat. | |
265 | */ | |
09fb5b61 | 266 | static void |
190154cf | 267 | gopher_request_parse(const HttpRequest * req, char *type_id, char *request) |
090089c4 | 268 | { |
d53b3f6d | 269 | const char *path = req->urlpath.termedBuf(); |
09fb5b61 | 270 | |
271 | if (request) | |
62e76326 | 272 | request[0] = '\0'; |
09fb5b61 | 273 | |
274 | if (path && (*path == '/')) | |
62e76326 | 275 | path++; |
09fb5b61 | 276 | |
277 | if (!path || !*path) { | |
62e76326 | 278 | *type_id = GOPHER_DIRECTORY; |
279 | return; | |
09fb5b61 | 280 | } |
62e76326 | 281 | |
09fb5b61 | 282 | *type_id = path[0]; |
283 | ||
284 | if (request) { | |
62e76326 | 285 | xstrncpy(request, path + 1, MAX_URL); |
286 | /* convert %xx to char */ | |
2c5d57e0 | 287 | rfc1738_unescape(request); |
090089c4 | 288 | } |
090089c4 | 289 | } |
290 | ||
63be0a78 | 291 | /** |
292 | \ingroup ServerProtocolGopherAPI | |
293 | * Parse the request to determine whether it is cachable. | |
294 | * | |
295 | \param req Request data. | |
296 | \retval 0 Not cachable. | |
297 | \retval 1 Cachable. | |
298 | */ | |
b8d8561b | 299 | int |
190154cf | 300 | gopherCachable(const HttpRequest * req) |
090089c4 | 301 | { |
090089c4 | 302 | int cachable = 1; |
09fb5b61 | 303 | char type_id; |
090089c4 | 304 | /* parse to see type */ |
09fb5b61 | 305 | gopher_request_parse(req, |
62e76326 | 306 | &type_id, |
307 | NULL); | |
308 | ||
09fb5b61 | 309 | switch (type_id) { |
62e76326 | 310 | |
090089c4 | 311 | case GOPHER_INDEX: |
62e76326 | 312 | |
090089c4 | 313 | case GOPHER_CSO: |
62e76326 | 314 | |
090089c4 | 315 | case GOPHER_TELNET: |
62e76326 | 316 | |
090089c4 | 317 | case GOPHER_3270: |
62e76326 | 318 | cachable = 0; |
319 | break; | |
320 | ||
090089c4 | 321 | default: |
62e76326 | 322 | cachable = 1; |
090089c4 | 323 | } |
62e76326 | 324 | |
090089c4 | 325 | return cachable; |
326 | } | |
327 | ||
63be0a78 | 328 | /// \ingroup ServerProtocolGopherInternal |
eb7d6bd6 | 329 | static void |
330 | gopherHTMLHeader(StoreEntry * e, const char *title, const char *substring) | |
331 | { | |
df339671 | 332 | storeAppendPrintf(e, "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">\n"); |
eb7d6bd6 | 333 | storeAppendPrintf(e, "<HTML><HEAD><TITLE>"); |
334 | storeAppendPrintf(e, title, substring); | |
df339671 | 335 | storeAppendPrintf(e, "</TITLE>"); |
d8c0128e | 336 | storeAppendPrintf(e, "<STYLE type=\"text/css\"><!--BODY{background-color:#ffffff;font-family:verdana,sans-serif}--></STYLE>\n"); |
df339671 | 337 | storeAppendPrintf(e, "</HEAD>\n<BODY><H1>"); |
eb7d6bd6 | 338 | storeAppendPrintf(e, title, substring); |
339 | storeAppendPrintf(e, "</H1>\n"); | |
340 | } | |
341 | ||
63be0a78 | 342 | /// \ingroup ServerProtocolGopherInternal |
eb7d6bd6 | 343 | static void |
344 | gopherHTMLFooter(StoreEntry * e) | |
345 | { | |
df339671 | 346 | storeAppendPrintf(e, "<HR noshade size=\"1px\">\n"); |
eb7d6bd6 | 347 | storeAppendPrintf(e, "<ADDRESS>\n"); |
348 | storeAppendPrintf(e, "Generated %s by %s (%s)\n", | |
62e76326 | 349 | mkrfc1123(squid_curtime), |
350 | getMyHostname(), | |
d3caee79 | 351 | visible_appname_string); |
eb7d6bd6 | 352 | storeAppendPrintf(e, "</ADDRESS></BODY></HTML>\n"); |
353 | } | |
354 | ||
63be0a78 | 355 | /// \ingroup ServerProtocolGopherInternal |
b8d8561b | 356 | static void |
582b6456 | 357 | gopherEndHTML(GopherStateData * gopherState) |
090089c4 | 358 | { |
eb7d6bd6 | 359 | StoreEntry *e = gopherState->entry; |
62e76326 | 360 | |
d7443679 | 361 | if (!gopherState->HTML_header_added) { |
62e76326 | 362 | gopherHTMLHeader(e, "Server Return Nothing", NULL); |
363 | storeAppendPrintf(e, "<P>The Gopher query resulted in a blank response</P>"); | |
d7443679 | 364 | } else if (gopherState->HTML_pre) { |
62e76326 | 365 | storeAppendPrintf(e, "</PRE>\n"); |
eb7d6bd6 | 366 | } |
62e76326 | 367 | |
eb7d6bd6 | 368 | gopherHTMLFooter(e); |
090089c4 | 369 | } |
370 | ||
63be0a78 | 371 | /** |
372 | \ingroup ServerProtocolGopherInternal | |
373 | * Convert Gopher to HTML. | |
374 | \par | |
375 | * Borrow part of code from libwww2 came with Mosaic distribution. | |
376 | */ | |
b8d8561b | 377 | static void |
582b6456 | 378 | gopherToHTML(GopherStateData * gopherState, char *inbuf, int len) |
090089c4 | 379 | { |
380 | char *pos = inbuf; | |
381 | char *lpos = NULL; | |
382 | char *tline = NULL; | |
95d659f0 | 383 | LOCAL_ARRAY(char, line, TEMP_BUF_SIZE); |
384 | LOCAL_ARRAY(char, tmpbuf, TEMP_BUF_SIZE); | |
090089c4 | 385 | char *name = NULL; |
386 | char *selector = NULL; | |
387 | char *host = NULL; | |
388 | char *port = NULL; | |
389 | char *escaped_selector = NULL; | |
d20b1cd0 | 390 | const char *icon_url = NULL; |
090089c4 | 391 | char gtype; |
392 | StoreEntry *entry = NULL; | |
393 | ||
53d02438 | 394 | memset(tmpbuf, '\0', TEMP_BUF_SIZE); |
395 | memset(line, '\0', TEMP_BUF_SIZE); | |
090089c4 | 396 | |
582b6456 | 397 | entry = gopherState->entry; |
090089c4 | 398 | |
e6ccf245 | 399 | if (gopherState->conversion == gopher_ds::HTML_INDEX_PAGE) { |
3900307b | 400 | char *html_url = html_quote(entry->url()); |
62e76326 | 401 | gopherHTMLHeader(entry, "Gopher Index %s", html_url); |
402 | storeAppendPrintf(entry, | |
403 | "<p>This is a searchable Gopher index. Use the search\n" | |
404 | "function of your browser to enter search terms.\n" | |
405 | "<ISINDEX>\n"); | |
406 | gopherHTMLFooter(entry); | |
407 | /* now let start sending stuff to client */ | |
3900307b | 408 | entry->flush(); |
d7443679 | 409 | gopherState->HTML_header_added = 1; |
62e76326 | 410 | |
411 | return; | |
090089c4 | 412 | } |
62e76326 | 413 | |
e6ccf245 | 414 | if (gopherState->conversion == gopher_ds::HTML_CSO_PAGE) { |
3900307b | 415 | char *html_url = html_quote(entry->url()); |
62e76326 | 416 | gopherHTMLHeader(entry, "CSO Search of %s", html_url); |
417 | storeAppendPrintf(entry, | |
418 | "<P>A CSO database usually contains a phonebook or\n" | |
419 | "directory. Use the search function of your browser to enter\n" | |
420 | "search terms.</P><ISINDEX>\n"); | |
421 | gopherHTMLFooter(entry); | |
422 | /* now let start sending stuff to client */ | |
3900307b | 423 | entry->flush(); |
d7443679 | 424 | gopherState->HTML_header_added = 1; |
62e76326 | 425 | |
426 | return; | |
090089c4 | 427 | } |
62e76326 | 428 | |
090089c4 | 429 | inbuf[len] = '\0'; |
30abd221 | 430 | String outbuf; |
090089c4 | 431 | |
582b6456 | 432 | if (!gopherState->HTML_header_added) { |
62e76326 | 433 | if (gopherState->conversion == gopher_ds::HTML_CSO_RESULT) |
434 | gopherHTMLHeader(entry, "CSO Search Result", NULL); | |
435 | else | |
436 | gopherHTMLHeader(entry, "Gopher Menu", NULL); | |
437 | ||
438 | outbuf.append ("<PRE>"); | |
439 | ||
440 | gopherState->HTML_header_added = 1; | |
d7443679 | 441 | |
442 | gopherState->HTML_pre = 1; | |
090089c4 | 443 | } |
62e76326 | 444 | |
090089c4 | 445 | while ((pos != NULL) && (pos < inbuf + len)) { |
446 | ||
62e76326 | 447 | if (gopherState->len != 0) { |
448 | /* there is something left from last tx. */ | |
449 | xstrncpy(line, gopherState->buf, gopherState->len + 1); | |
8617e90a | 450 | |
451 | if (gopherState->len + len > TEMP_BUF_SIZE) { | |
bf8fe701 | 452 | debugs(10, 1, "GopherHTML: Buffer overflow. Lost some data on URL: " << entry->url() ); |
8617e90a | 453 | len = TEMP_BUF_SIZE - gopherState->len; |
454 | } | |
455 | ||
62e76326 | 456 | lpos = (char *) memccpy(line + gopherState->len, inbuf, '\n', len); |
457 | ||
458 | if (lpos) | |
459 | *lpos = '\0'; | |
460 | else { | |
461 | /* there is no complete line in inbuf */ | |
462 | /* copy it to temp buffer */ | |
463 | ||
464 | if (gopherState->len + len > TEMP_BUF_SIZE) { | |
bf8fe701 | 465 | debugs(10, 1, "GopherHTML: Buffer overflow. Lost some data on URL: " << entry->url() ); |
62e76326 | 466 | len = TEMP_BUF_SIZE - gopherState->len; |
467 | } | |
468 | ||
469 | xmemcpy(gopherState->buf + gopherState->len, inbuf, len); | |
470 | gopherState->len += len; | |
471 | return; | |
472 | } | |
473 | ||
474 | /* skip one line */ | |
475 | pos = (char *) memchr(pos, '\n', len); | |
476 | ||
477 | if (pos) | |
478 | pos++; | |
479 | ||
480 | /* we're done with the remain from last tx. */ | |
481 | gopherState->len = 0; | |
482 | ||
483 | *(gopherState->buf) = '\0'; | |
484 | } else { | |
485 | ||
486 | lpos = (char *) memccpy(line, pos, '\n', len - (pos - inbuf)); | |
487 | ||
488 | if (lpos) | |
489 | *lpos = '\0'; | |
490 | else { | |
491 | /* there is no complete line in inbuf */ | |
492 | /* copy it to temp buffer */ | |
493 | ||
494 | if ((len - (pos - inbuf)) > TEMP_BUF_SIZE) { | |
bf8fe701 | 495 | debugs(10, 1, "GopherHTML: Buffer overflow. Lost some data on URL: " << entry->url() ); |
62e76326 | 496 | len = TEMP_BUF_SIZE; |
497 | } | |
498 | ||
499 | if (len > (pos - inbuf)) { | |
500 | xmemcpy(gopherState->buf, pos, len - (pos - inbuf)); | |
501 | gopherState->len = len - (pos - inbuf); | |
502 | } | |
503 | ||
504 | break; | |
505 | } | |
506 | ||
507 | /* skip one line */ | |
508 | pos = (char *) memchr(pos, '\n', len); | |
509 | ||
510 | if (pos) | |
511 | pos++; | |
512 | ||
513 | } | |
514 | ||
515 | /* at this point. We should have one line in buffer to process */ | |
516 | ||
517 | if (*line == '.') { | |
518 | /* skip it */ | |
519 | memset(line, '\0', TEMP_BUF_SIZE); | |
520 | continue; | |
521 | } | |
522 | ||
523 | switch (gopherState->conversion) { | |
524 | ||
525 | case gopher_ds::HTML_INDEX_RESULT: | |
526 | ||
527 | case gopher_ds::HTML_DIR: { | |
26ac0430 AJ |
528 | tline = line; |
529 | gtype = *tline++; | |
530 | name = tline; | |
531 | selector = strchr(tline, TAB); | |
532 | ||
533 | if (selector) { | |
534 | *selector++ = '\0'; | |
535 | host = strchr(selector, TAB); | |
62e76326 | 536 | |
26ac0430 AJ |
537 | if (host) { |
538 | *host++ = '\0'; | |
539 | port = strchr(host, TAB); | |
62e76326 | 540 | |
26ac0430 AJ |
541 | if (port) { |
542 | char *junk; | |
543 | port[0] = ':'; | |
544 | junk = strchr(host, TAB); | |
62e76326 | 545 | |
26ac0430 AJ |
546 | if (junk) |
547 | *junk++ = 0; /* Chop port */ | |
548 | else { | |
549 | junk = strchr(host, '\r'); | |
62e76326 | 550 | |
551 | if (junk) | |
552 | *junk++ = 0; /* Chop port */ | |
553 | else { | |
26ac0430 | 554 | junk = strchr(host, '\n'); |
62e76326 | 555 | |
556 | if (junk) | |
557 | *junk++ = 0; /* Chop port */ | |
62e76326 | 558 | } |
62e76326 | 559 | } |
560 | ||
26ac0430 AJ |
561 | if ((port[1] == '0') && (!port[2])) |
562 | port[0] = 0; /* 0 means none */ | |
563 | } | |
62e76326 | 564 | |
26ac0430 AJ |
565 | /* escape a selector here */ |
566 | escaped_selector = xstrdup(rfc1738_escape_part(selector)); | |
62e76326 | 567 | |
26ac0430 | 568 | switch (gtype) { |
62e76326 | 569 | |
26ac0430 AJ |
570 | case GOPHER_DIRECTORY: |
571 | icon_url = mimeGetIconURL("internal-menu"); | |
572 | break; | |
573 | ||
574 | case GOPHER_HTML: | |
62e76326 | 575 | |
26ac0430 AJ |
576 | case GOPHER_FILE: |
577 | icon_url = mimeGetIconURL("internal-text"); | |
578 | break; | |
62e76326 | 579 | |
26ac0430 | 580 | case GOPHER_INDEX: |
62e76326 | 581 | |
26ac0430 AJ |
582 | case GOPHER_CSO: |
583 | icon_url = mimeGetIconURL("internal-index"); | |
584 | break; | |
62e76326 | 585 | |
26ac0430 | 586 | case GOPHER_IMAGE: |
62e76326 | 587 | |
26ac0430 | 588 | case GOPHER_GIF: |
62e76326 | 589 | |
26ac0430 AJ |
590 | case GOPHER_PLUS_IMAGE: |
591 | icon_url = mimeGetIconURL("internal-image"); | |
592 | break; | |
62e76326 | 593 | |
26ac0430 | 594 | case GOPHER_SOUND: |
62e76326 | 595 | |
26ac0430 AJ |
596 | case GOPHER_PLUS_SOUND: |
597 | icon_url = mimeGetIconURL("internal-sound"); | |
598 | break; | |
62e76326 | 599 | |
26ac0430 AJ |
600 | case GOPHER_PLUS_MOVIE: |
601 | icon_url = mimeGetIconURL("internal-movie"); | |
602 | break; | |
62e76326 | 603 | |
26ac0430 | 604 | case GOPHER_TELNET: |
62e76326 | 605 | |
26ac0430 AJ |
606 | case GOPHER_3270: |
607 | icon_url = mimeGetIconURL("internal-telnet"); | |
608 | break; | |
62e76326 | 609 | |
26ac0430 | 610 | case GOPHER_BIN: |
62e76326 | 611 | |
26ac0430 | 612 | case GOPHER_MACBINHEX: |
62e76326 | 613 | |
26ac0430 | 614 | case GOPHER_DOSBIN: |
62e76326 | 615 | |
26ac0430 AJ |
616 | case GOPHER_UUENCODED: |
617 | icon_url = mimeGetIconURL("internal-binary"); | |
618 | break; | |
62e76326 | 619 | |
26ac0430 AJ |
620 | case GOPHER_INFO: |
621 | icon_url = NULL; | |
622 | break; | |
62e76326 | 623 | |
26ac0430 AJ |
624 | default: |
625 | icon_url = mimeGetIconURL("internal-unknown"); | |
626 | break; | |
627 | } | |
62e76326 | 628 | |
26ac0430 | 629 | memset(tmpbuf, '\0', TEMP_BUF_SIZE); |
62e76326 | 630 | |
26ac0430 AJ |
631 | if ((gtype == GOPHER_TELNET) || (gtype == GOPHER_3270)) { |
632 | if (strlen(escaped_selector) != 0) | |
633 | snprintf(tmpbuf, TEMP_BUF_SIZE, "<IMG border=\"0\" SRC=\"%s\"> <A HREF=\"telnet://%s@%s%s%s/\">%s</A>\n", | |
634 | icon_url, escaped_selector, rfc1738_escape_part(host), | |
635 | *port ? ":" : "", port, html_quote(name)); | |
636 | else | |
637 | snprintf(tmpbuf, TEMP_BUF_SIZE, "<IMG border=\"0\" SRC=\"%s\"> <A HREF=\"telnet://%s%s%s/\">%s</A>\n", | |
638 | icon_url, rfc1738_escape_part(host), *port ? ":" : "", | |
639 | port, html_quote(name)); | |
62e76326 | 640 | |
26ac0430 AJ |
641 | } else if (gtype == GOPHER_INFO) { |
642 | snprintf(tmpbuf, TEMP_BUF_SIZE, "\t%s\n", html_quote(name)); | |
643 | } else { | |
644 | if (strncmp(selector, "GET /", 5) == 0) { | |
645 | /* WWW link */ | |
646 | snprintf(tmpbuf, TEMP_BUF_SIZE, "<IMG border=\"0\" SRC=\"%s\"> <A HREF=\"http://%s/%s\">%s</A>\n", | |
647 | icon_url, host, rfc1738_escape_unescaped(selector + 5), html_quote(name)); | |
62e76326 | 648 | } else { |
26ac0430 AJ |
649 | /* Standard link */ |
650 | snprintf(tmpbuf, TEMP_BUF_SIZE, "<IMG border=\"0\" SRC=\"%s\"> <A HREF=\"gopher://%s/%c%s\">%s</A>\n", | |
651 | icon_url, host, gtype, escaped_selector, html_quote(name)); | |
62e76326 | 652 | } |
62e76326 | 653 | } |
26ac0430 AJ |
654 | |
655 | safe_free(escaped_selector); | |
656 | outbuf.append(tmpbuf); | |
62e76326 | 657 | } else { |
658 | memset(line, '\0', TEMP_BUF_SIZE); | |
659 | continue; | |
660 | } | |
26ac0430 AJ |
661 | } else { |
662 | memset(line, '\0', TEMP_BUF_SIZE); | |
663 | continue; | |
664 | } | |
62e76326 | 665 | |
26ac0430 AJ |
666 | break; |
667 | } /* HTML_DIR, HTML_INDEX_RESULT */ | |
62e76326 | 668 | |
669 | ||
670 | case gopher_ds::HTML_CSO_RESULT: { | |
26ac0430 AJ |
671 | if (line[0] == '-') { |
672 | int code, recno; | |
673 | char *s_code, *s_recno, *result; | |
62e76326 | 674 | |
26ac0430 AJ |
675 | s_code = strtok(line + 1, ":\n"); |
676 | s_recno = strtok(NULL, ":\n"); | |
677 | result = strtok(NULL, "\n"); | |
62e76326 | 678 | |
26ac0430 AJ |
679 | if (!result) |
680 | break; | |
62e76326 | 681 | |
26ac0430 | 682 | code = atoi(s_code); |
62e76326 | 683 | |
26ac0430 | 684 | recno = atoi(s_recno); |
62e76326 | 685 | |
26ac0430 | 686 | if (code != 200) |
62e76326 | 687 | break; |
26ac0430 AJ |
688 | |
689 | if (gopherState->cso_recno != recno) { | |
690 | snprintf(tmpbuf, TEMP_BUF_SIZE, "</PRE><HR noshade size=\"1px\"><H2>Record# %d<br><i>%s</i></H2>\n<PRE>", recno, html_quote(result)); | |
691 | gopherState->cso_recno = recno; | |
62e76326 | 692 | } else { |
26ac0430 AJ |
693 | snprintf(tmpbuf, TEMP_BUF_SIZE, "%s\n", html_quote(result)); |
694 | } | |
695 | ||
696 | outbuf.append(tmpbuf); | |
697 | break; | |
698 | } else { | |
699 | int code; | |
700 | char *s_code, *result; | |
62e76326 | 701 | |
26ac0430 AJ |
702 | s_code = strtok(line, ":"); |
703 | result = strtok(NULL, "\n"); | |
62e76326 | 704 | |
26ac0430 AJ |
705 | if (!result) |
706 | break; | |
62e76326 | 707 | |
26ac0430 | 708 | code = atoi(s_code); |
62e76326 | 709 | |
26ac0430 | 710 | switch (code) { |
62e76326 | 711 | |
26ac0430 AJ |
712 | case 200: { |
713 | /* OK */ | |
714 | /* Do nothing here */ | |
715 | break; | |
716 | } | |
62e76326 | 717 | |
26ac0430 | 718 | case 102: /* Number of matches */ |
62e76326 | 719 | |
26ac0430 | 720 | case 501: /* No Match */ |
62e76326 | 721 | |
26ac0430 AJ |
722 | case 502: { /* Too Many Matches */ |
723 | /* Print the message the server returns */ | |
724 | snprintf(tmpbuf, TEMP_BUF_SIZE, "</PRE><HR noshade size=\"1px\"><H2>%s</H2>\n<PRE>", html_quote(result)); | |
725 | outbuf.append(tmpbuf); | |
726 | break; | |
727 | } | |
62e76326 | 728 | |
729 | ||
62e76326 | 730 | } |
26ac0430 | 731 | } |
62e76326 | 732 | |
26ac0430 | 733 | } /* HTML_CSO_RESULT */ |
62e76326 | 734 | |
735 | default: | |
736 | break; /* do nothing */ | |
737 | ||
738 | } /* switch */ | |
090089c4 | 739 | |
740 | } /* while loop */ | |
741 | ||
528b2c61 | 742 | if (outbuf.size() > 0) { |
d53b3f6d | 743 | entry->append(outbuf.rawBuf(), outbuf.size()); |
62e76326 | 744 | /* now let start sending stuff to client */ |
3900307b | 745 | entry->flush(); |
090089c4 | 746 | } |
62e76326 | 747 | |
30abd221 | 748 | outbuf.clean(); |
090089c4 | 749 | return; |
750 | } | |
751 | ||
63be0a78 | 752 | /// \ingroup ServerProtocolGopherInternal |
582b6456 | 753 | static void |
5c5783a2 | 754 | gopherTimeout(int fd, void *data) |
090089c4 | 755 | { |
e6ccf245 | 756 | GopherStateData *gopherState = (GopherStateData *)data; |
582b6456 | 757 | StoreEntry *entry = gopherState->entry; |
bf8fe701 | 758 | debugs(10, 4, "gopherTimeout: FD " << fd << ": '" << entry->url() << "'" ); |
62e76326 | 759 | |
2cc81f1f | 760 | gopherState->fwd->fail(errorCon(ERR_READ_TIMEOUT, HTTP_GATEWAY_TIMEOUT, gopherState->fwd->request)); |
62e76326 | 761 | |
51fa90db | 762 | comm_close(fd); |
090089c4 | 763 | } |
764 | ||
63be0a78 | 765 | /** |
766 | \ingroup ServerProtocolGopherInternal | |
767 | * This will be called when data is ready to be read from fd. | |
768 | * Read until error or connection closed. | |
769 | */ | |
b8d8561b | 770 | static void |
c4b7a5a9 | 771 | gopherReadReply(int fd, char *buf, size_t len, comm_err_t flag, int xerrno, void *data) |
090089c4 | 772 | { |
e6ccf245 | 773 | GopherStateData *gopherState = (GopherStateData *)data; |
bfcaf585 | 774 | StoreEntry *entry = gopherState->entry; |
090089c4 | 775 | int clen; |
56fa4cad | 776 | int bin; |
c4b7a5a9 | 777 | size_t read_sz = BUFSIZ; |
778 | int do_next_read = 0; | |
447e176b | 779 | #if DELAY_POOLS |
62e76326 | 780 | |
b67e2c8c | 781 | DelayId delayId = entry->mem_obj->mostBytesAllowed(); |
447e176b | 782 | #endif |
c4b7a5a9 | 783 | |
784 | /* Bail out early on COMM_ERR_CLOSING - close handlers will tidy up for us */ | |
62e76326 | 785 | |
c4b7a5a9 | 786 | if (flag == COMM_ERR_CLOSING) { |
787 | return; | |
788 | } | |
789 | ||
790 | assert(buf == gopherState->replybuf); | |
62e76326 | 791 | |
e92e4e44 | 792 | if (EBIT_TEST(entry->flags, ENTRY_ABORTED)) { |
62e76326 | 793 | comm_close(fd); |
794 | return; | |
e92e4e44 | 795 | } |
c4b7a5a9 | 796 | |
6fe6313d | 797 | errno = 0; |
447e176b | 798 | #if DELAY_POOLS |
62e76326 | 799 | |
b67e2c8c | 800 | read_sz = delayId.bytesWanted(1, read_sz); |
447e176b | 801 | #endif |
c4b7a5a9 | 802 | |
56fa4cad | 803 | /* leave one space for \0 in gopherToHTML */ |
62e76326 | 804 | |
c4b7a5a9 | 805 | if (flag == COMM_OK && len > 0) { |
447e176b | 806 | #if DELAY_POOLS |
62e76326 | 807 | delayId.bytesIn(len); |
447e176b | 808 | #endif |
62e76326 | 809 | |
810 | kb_incr(&statCounter.server.all.kbytes_in, len); | |
811 | kb_incr(&statCounter.server.other.kbytes_in, len); | |
ee1679df | 812 | } |
62e76326 | 813 | |
4a7a3d56 | 814 | debugs(10, 5, "gopherReadReply: FD " << fd << " read len=" << len); |
62e76326 | 815 | |
c4b7a5a9 | 816 | if (flag == COMM_OK && len > 0) { |
62e76326 | 817 | commSetTimeout(fd, Config.Timeout.read, NULL, NULL); |
818 | IOStats.Gopher.reads++; | |
819 | ||
820 | for (clen = len - 1, bin = 0; clen; bin++) | |
821 | clen >>= 1; | |
822 | ||
823 | IOStats.Gopher.read_hist[bin]++; | |
bae917ac CT |
824 | |
825 | HttpRequest *req = gopherState->fwd->request; | |
dcaab393 | 826 | if (req->hier.bodyBytesRead < 0) |
bae917ac | 827 | req->hier.bodyBytesRead = 0; |
dcaab393 | 828 | |
bae917ac CT |
829 | req->hier.bodyBytesRead += len; |
830 | ||
56fa4cad | 831 | } |
62e76326 | 832 | |
c4b7a5a9 | 833 | if (flag != COMM_OK || len < 0) { |
bf8fe701 | 834 | debugs(50, 1, "gopherReadReply: error reading: " << xstrerror()); |
62e76326 | 835 | |
836 | if (ignoreErrno(errno)) { | |
c4b7a5a9 | 837 | do_next_read = 1; |
6cae5db1 | 838 | } else { |
62e76326 | 839 | ErrorState *err; |
2cc81f1f | 840 | err = errorCon(ERR_READ_ERROR, HTTP_INTERNAL_SERVER_ERROR, gopherState->fwd->request); |
62e76326 | 841 | err->xerrno = errno; |
b6b6f466 | 842 | gopherState->fwd->fail(err); |
62e76326 | 843 | comm_close(fd); |
c4b7a5a9 | 844 | do_next_read = 0; |
62e76326 | 845 | } |
528b2c61 | 846 | } else if (len == 0 && entry->isEmpty()) { |
2cc81f1f | 847 | gopherState->fwd->fail(errorCon(ERR_ZERO_SIZE_OBJECT, HTTP_SERVICE_UNAVAILABLE, gopherState->fwd->request)); |
62e76326 | 848 | comm_close(fd); |
c4b7a5a9 | 849 | do_next_read = 0; |
090089c4 | 850 | } else if (len == 0) { |
62e76326 | 851 | /* Connection closed; retrieval done. */ |
bb790702 | 852 | /* flush the rest of data in temp buf if there is one. */ |
62e76326 | 853 | |
854 | if (gopherState->conversion != gopher_ds::NORMAL) | |
855 | gopherEndHTML(gopherState); | |
856 | ||
3900307b | 857 | entry->timestampsSet(); |
62e76326 | 858 | |
3900307b | 859 | entry->flush(); |
62e76326 | 860 | |
b6b6f466 | 861 | gopherState->fwd->complete(); |
62e76326 | 862 | |
863 | comm_close(fd); | |
864 | ||
c4b7a5a9 | 865 | do_next_read = 0; |
090089c4 | 866 | } else { |
62e76326 | 867 | if (gopherState->conversion != gopher_ds::NORMAL) { |
868 | gopherToHTML(gopherState, buf, len); | |
869 | } else { | |
3900307b | 870 | entry->append(buf, len); |
62e76326 | 871 | } |
872 | ||
c4b7a5a9 | 873 | do_next_read = 1; |
090089c4 | 874 | } |
62e76326 | 875 | |
c4b7a5a9 | 876 | if (do_next_read) |
877 | comm_read(fd, buf, read_sz, gopherReadReply, gopherState); | |
26ac0430 | 878 | |
56fa4cad | 879 | return; |
090089c4 | 880 | } |
881 | ||
63be0a78 | 882 | /** |
883 | \ingroup ServerProtocolGopherInternal | |
884 | * This will be called when request write is complete. Schedule read of reply. | |
885 | */ | |
b8d8561b | 886 | static void |
13de3699 | 887 | gopherSendComplete(int fd, char *buf, size_t size, comm_err_t errflag, int xerrno, void *data) |
090089c4 | 888 | { |
56fa4cad | 889 | GopherStateData *gopherState = (GopherStateData *) data; |
70a9dab4 | 890 | StoreEntry *entry = gopherState->entry; |
4a7a3d56 | 891 | debugs(10, 5, "gopherSendComplete: FD " << fd << " size: " << size << " errflag: " << errflag); |
62e76326 | 892 | |
ee1679df | 893 | if (size > 0) { |
62e76326 | 894 | fd_bytes(fd, size, FD_WRITE); |
895 | kb_incr(&statCounter.server.all.kbytes_out, size); | |
896 | kb_incr(&statCounter.server.other.kbytes_out, size); | |
ee1679df | 897 | } |
62e76326 | 898 | |
090089c4 | 899 | if (errflag) { |
62e76326 | 900 | ErrorState *err; |
2cc81f1f | 901 | err = errorCon(ERR_WRITE_ERROR, HTTP_SERVICE_UNAVAILABLE, gopherState->fwd->request); |
62e76326 | 902 | err->xerrno = errno; |
d2b3e30e | 903 | err->port = gopherState->fwd->request->port; |
3900307b | 904 | err->url = xstrdup(entry->url()); |
b6b6f466 | 905 | gopherState->fwd->fail(err); |
62e76326 | 906 | comm_close(fd); |
907 | ||
908 | if (buf) | |
909 | memFree(buf, MEM_4K_BUF); /* Allocated by gopherSendRequest. */ | |
910 | ||
911 | return; | |
090089c4 | 912 | } |
62e76326 | 913 | |
914 | /* | |
090089c4 | 915 | * OK. We successfully reach remote site. Start MIME typing |
916 | * stuff. Do it anyway even though request is not HTML type. | |
917 | */ | |
3900307b | 918 | entry->buffer(); |
b66315e4 | 919 | |
30a4f2a8 | 920 | gopherMimeCreate(gopherState); |
62e76326 | 921 | |
a47b9029 | 922 | switch (gopherState->type_id) { |
62e76326 | 923 | |
a47b9029 | 924 | case GOPHER_DIRECTORY: |
62e76326 | 925 | /* we got to convert it first */ |
62e76326 | 926 | gopherState->conversion = gopher_ds::HTML_DIR; |
927 | gopherState->HTML_header_added = 0; | |
928 | break; | |
929 | ||
a47b9029 | 930 | case GOPHER_INDEX: |
62e76326 | 931 | /* we got to convert it first */ |
62e76326 | 932 | gopherState->conversion = gopher_ds::HTML_INDEX_RESULT; |
933 | gopherState->HTML_header_added = 0; | |
934 | break; | |
935 | ||
a47b9029 | 936 | case GOPHER_CSO: |
62e76326 | 937 | /* we got to convert it first */ |
62e76326 | 938 | gopherState->conversion = gopher_ds::HTML_CSO_RESULT; |
939 | gopherState->cso_recno = 0; | |
940 | gopherState->HTML_header_added = 0; | |
941 | break; | |
942 | ||
a47b9029 | 943 | default: |
62e76326 | 944 | gopherState->conversion = gopher_ds::NORMAL; |
3900307b | 945 | entry->flush(); |
86101e40 | 946 | } |
62e76326 | 947 | |
090089c4 | 948 | /* Schedule read reply. */ |
65517dc8 | 949 | AsyncCall::Pointer call = commCbCall(10,5, "gopherReadReply", |
26ac0430 | 950 | CommIoCbPtrFun(gopherReadReply, gopherState)); |
65517dc8 | 951 | entry->delayAwareRead(fd, gopherState->replybuf, BUFSIZ, call); |
62e76326 | 952 | |
090089c4 | 953 | if (buf) |
62e76326 | 954 | memFree(buf, MEM_4K_BUF); /* Allocated by gopherSendRequest. */ |
090089c4 | 955 | } |
956 | ||
63be0a78 | 957 | /** |
958 | \ingroup ServerProtocolGopherInternal | |
959 | * This will be called when connect completes. Write request. | |
960 | */ | |
b8d8561b | 961 | static void |
582b6456 | 962 | gopherSendRequest(int fd, void *data) |
090089c4 | 963 | { |
e6ccf245 | 964 | GopherStateData *gopherState = (GopherStateData *)data; |
965 | char *buf = (char *)memAllocate(MEM_4K_BUF); | |
62e76326 | 966 | |
582b6456 | 967 | if (gopherState->type_id == GOPHER_CSO) { |
62e76326 | 968 | const char *t = strchr(gopherState->request, '?'); |
969 | ||
970 | if (t != NULL) | |
971 | t++; /* skip the ? */ | |
972 | else | |
973 | t = ""; | |
974 | ||
975 | snprintf(buf, 4096, "query %s\r\nquit\r\n", t); | |
582b6456 | 976 | } else if (gopherState->type_id == GOPHER_INDEX) { |
62e76326 | 977 | char *t = strchr(gopherState->request, '?'); |
978 | ||
979 | if (t != NULL) | |
980 | *t = '\t'; | |
981 | ||
982 | snprintf(buf, 4096, "%s\r\n", gopherState->request); | |
090089c4 | 983 | } else { |
62e76326 | 984 | snprintf(buf, 4096, "%s\r\n", gopherState->request); |
090089c4 | 985 | } |
62e76326 | 986 | |
bf8fe701 | 987 | debugs(10, 5, "gopherSendRequest: FD " << fd); |
2b663917 | 988 | comm_write(fd, buf, strlen(buf), gopherSendComplete, gopherState, NULL); |
62e76326 | 989 | |
d46a87a8 | 990 | if (EBIT_TEST(gopherState->entry->flags, ENTRY_CACHABLE)) |
d88e3c49 | 991 | gopherState->entry->setPublicKey(); /* Make it public */ |
090089c4 | 992 | } |
993 | ||
63be0a78 | 994 | /// \ingroup ServerProtocolGopherInternal |
09fb5b61 | 995 | CBDATA_TYPE(GopherStateData); |
996 | ||
63be0a78 | 997 | /// \ingroup ServerProtocolGopherAPI |
770f051d | 998 | void |
b6b6f466 | 999 | gopherStart(FwdState * fwd) |
090089c4 | 1000 | { |
b6b6f466 | 1001 | int fd = fwd->server_fd; |
1002 | StoreEntry *entry = fwd->entry; | |
09fb5b61 | 1003 | GopherStateData *gopherState; |
1004 | CBDATA_INIT_TYPE(GopherStateData); | |
1005 | gopherState = cbdataAlloc(GopherStateData); | |
e6ccf245 | 1006 | gopherState->buf = (char *)memAllocate(MEM_4K_BUF); |
34266cde | 1007 | |
3d0ac046 | 1008 | entry->lock(); |
582b6456 | 1009 | gopherState->entry = entry; |
34266cde | 1010 | |
b6b6f466 | 1011 | gopherState->fwd = fwd; |
34266cde | 1012 | |
bf8fe701 | 1013 | debugs(10, 3, "gopherStart: " << entry->url() ); |
34266cde | 1014 | |
83704487 | 1015 | statCounter.server.all.requests++; |
34266cde | 1016 | |
83704487 | 1017 | statCounter.server.other.requests++; |
34266cde | 1018 | |
090089c4 | 1019 | /* Parse url. */ |
b6b6f466 | 1020 | gopher_request_parse(fwd->request, |
62e76326 | 1021 | &gopherState->type_id, gopherState->request); |
34266cde | 1022 | |
bfcaf585 | 1023 | comm_add_close_handler(fd, gopherStateFree, gopherState); |
62e76326 | 1024 | |
582b6456 | 1025 | if (((gopherState->type_id == GOPHER_INDEX) || (gopherState->type_id == GOPHER_CSO)) |
62e76326 | 1026 | && (strchr(gopherState->request, '?') == NULL)) { |
1027 | /* Index URL without query word */ | |
1028 | /* We have to generate search page back to client. No need for connection */ | |
1029 | gopherMimeCreate(gopherState); | |
1030 | ||
1031 | if (gopherState->type_id == GOPHER_INDEX) { | |
1032 | gopherState->conversion = gopher_ds::HTML_INDEX_PAGE; | |
1033 | } else { | |
1034 | if (gopherState->type_id == GOPHER_CSO) { | |
1035 | gopherState->conversion = gopher_ds::HTML_CSO_PAGE; | |
1036 | } else { | |
1037 | gopherState->conversion = gopher_ds::HTML_INDEX_PAGE; | |
1038 | } | |
1039 | } | |
1040 | ||
1041 | gopherToHTML(gopherState, (char *) NULL, 0); | |
b6b6f466 | 1042 | fwd->complete(); |
62e76326 | 1043 | comm_close(fd); |
1044 | return; | |
090089c4 | 1045 | } |
62e76326 | 1046 | |
bfcaf585 | 1047 | gopherState->fd = fd; |
b6b6f466 | 1048 | gopherState->fwd = fwd; |
c4b7a5a9 | 1049 | gopherSendRequest(fd, gopherState); |
41462d93 | 1050 | commSetTimeout(fd, Config.Timeout.read, gopherTimeout, gopherState); |
e5f6c5c2 | 1051 | } |