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95d659f0 | 1 | |
30a4f2a8 | 2 | /* |
4f117cb4 | 3 | * $Id: ftp.cc,v 1.135 1997/07/19 07:18:00 wessels Exp $ |
30a4f2a8 | 4 | * |
5 | * DEBUG: section 9 File Transfer Protocol (FTP) | |
6 | * AUTHOR: Harvest Derived | |
7 | * | |
42c04c16 | 8 | * SQUID Internet Object Cache http://squid.nlanr.net/Squid/ |
30a4f2a8 | 9 | * -------------------------------------------------------- |
10 | * | |
11 | * Squid is the result of efforts by numerous individuals from the | |
12 | * Internet community. Development is led by Duane Wessels of the | |
13 | * National Laboratory for Applied Network Research and funded by | |
14 | * the National Science Foundation. | |
15 | * | |
16 | * This program is free software; you can redistribute it and/or modify | |
17 | * it under the terms of the GNU General Public License as published by | |
18 | * the Free Software Foundation; either version 2 of the License, or | |
19 | * (at your option) any later version. | |
20 | * | |
21 | * This program is distributed in the hope that it will be useful, | |
22 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
23 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
24 | * GNU General Public License for more details. | |
25 | * | |
26 | * You should have received a copy of the GNU General Public License | |
27 | * along with this program; if not, write to the Free Software | |
28 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
29 | * | |
30 | */ | |
019dd986 | 31 | |
44a47c6e | 32 | #include "squid.h" |
090089c4 | 33 | |
30a4f2a8 | 34 | #define FTP_DELETE_GAP (1<<18) |
090089c4 | 35 | |
3fdadc70 | 36 | enum { |
37 | FTP_ISDIR, | |
38 | FTP_PASV_SUPPORTED, | |
39 | FTP_SKIP_WHITESPACE, | |
40 | FTP_REST_SUPPORTED, | |
41 | FTP_PASV_ONLY, | |
42 | FTP_AUTHENTICATED, | |
3fdadc70 | 43 | FTP_HTTP_HEADER_SENT, |
44 | FTP_TRIED_NLST, | |
45 | FTP_USE_BASE, | |
46 | FTP_ROOT_DIR, | |
47 | FTP_HTML_HEADER_SENT | |
48 | }; | |
49 | ||
50 | static const char *const crlf = "\r\n"; | |
51 | static char cbuf[1024]; | |
52 | ||
53 | typedef enum { | |
54 | BEGIN, | |
55 | SENT_USER, | |
56 | SENT_PASS, | |
57 | SENT_TYPE, | |
58 | SENT_MDTM, | |
59 | SENT_SIZE, | |
60 | SENT_PORT, | |
61 | SENT_PASV, | |
62 | SENT_CWD, | |
63 | SENT_LIST, | |
64 | SENT_NLST, | |
65 | SENT_REST, | |
66 | SENT_RETR, | |
67 | SENT_QUIT, | |
68 | READING_DATA | |
69 | } ftp_state_t; | |
090089c4 | 70 | |
71 | typedef struct _Ftpdata { | |
72 | StoreEntry *entry; | |
983061ed | 73 | request_t *request; |
77a30ebb | 74 | char user[MAX_URL]; |
75 | char password[MAX_URL]; | |
f0afe435 | 76 | char *reply_hdr; |
f0afe435 | 77 | int reply_hdr_state; |
3fdadc70 | 78 | char *title_url; |
79 | int conn_att; | |
80 | int login_att; | |
81 | ftp_state_t state; | |
82 | char *errmsg; | |
83 | time_t mdtm; | |
84 | int size; | |
85 | int flags; | |
86 | wordlist *pathcomps; | |
87 | char *filepath; | |
88 | int restart_offset; | |
89 | int rest_att; | |
90 | char *proxy_host; | |
91 | size_t list_width; | |
92 | wordlist *cwd_message; | |
93 | struct { | |
94 | int fd; | |
95 | char *buf; | |
96 | size_t size; | |
97 | off_t offset; | |
98 | FREE *freefunc; | |
99 | wordlist *message; | |
100 | char *last_message; | |
101 | int replycode; | |
102 | } ctrl; | |
103 | struct { | |
104 | int fd; | |
105 | char *buf; | |
106 | size_t size; | |
107 | off_t offset; | |
108 | FREE *freefunc; | |
109 | } data; | |
e5f6c5c2 | 110 | } FtpStateData; |
090089c4 | 111 | |
3fdadc70 | 112 | typedef struct { |
113 | char type; | |
114 | int size; | |
115 | char *date; | |
116 | char *name; | |
117 | char *showname; | |
118 | char *link; | |
119 | } ftpListParts; | |
120 | ||
121 | typedef void (FTPSM) _PARAMS((FtpStateData *)); | |
0a0bf5db | 122 | |
983061ed | 123 | /* Local functions */ |
9e4ad609 | 124 | static CNCB ftpConnectDone; |
3fdadc70 | 125 | static CNCB ftpPasvCallback; |
3fdadc70 | 126 | static PF ftpReadData; |
9e4ad609 | 127 | static PF ftpStateFree; |
5c5783a2 | 128 | static PF ftpTimeout; |
3fdadc70 | 129 | static PF ftpReadControlReply; |
130 | static CWCB ftpWriteCommandCallback; | |
9e4ad609 | 131 | static char *ftpGetBasicAuth _PARAMS((const char *)); |
9e4ad609 | 132 | static void ftpLoginParser _PARAMS((const char *, FtpStateData *)); |
3fdadc70 | 133 | static void ftpFail _PARAMS((FtpStateData * ftpState)); |
134 | static wordlist *ftpParseControlReply _PARAMS((char *buf, size_t len, int *code)); | |
135 | static void ftpSendPasv _PARAMS((FtpStateData * ftpState)); | |
136 | static void ftpSendCwd _PARAMS((FtpStateData * ftpState)); | |
137 | static void ftpSendPort _PARAMS((FtpStateData * ftpState)); | |
138 | static void ftpRestOrList _PARAMS((FtpStateData * ftpState)); | |
139 | static void ftpReadQuit _PARAMS((FtpStateData * ftpState)); | |
140 | static void ftpDataTransferDone _PARAMS((FtpStateData * ftpState)); | |
141 | static void ftpAppendSuccessHeader _PARAMS((FtpStateData * ftpState)); | |
bfcaf585 | 142 | static STABH ftpAbort; |
983061ed | 143 | |
3fdadc70 | 144 | static FTPSM ftpReadWelcome; |
145 | static FTPSM ftpReadUser; | |
146 | static FTPSM ftpReadPass; | |
147 | static FTPSM ftpReadType; | |
148 | static FTPSM ftpReadMdtm; | |
149 | static FTPSM ftpReadSize; | |
150 | static FTPSM ftpReadPort; | |
151 | static FTPSM ftpReadPasv; | |
152 | static FTPSM ftpReadCwd; | |
153 | static FTPSM ftpReadList; | |
154 | static FTPSM ftpReadRest; | |
155 | static FTPSM ftpReadRetr; | |
156 | static FTPSM ftpReadTransferDone; | |
157 | ||
158 | FTPSM *FTP_SM_FUNCS[] = | |
159 | { | |
160 | ftpReadWelcome, | |
161 | ftpReadUser, | |
162 | ftpReadPass, | |
163 | ftpReadType, | |
164 | ftpReadMdtm, | |
165 | ftpReadSize, | |
166 | ftpReadPort, | |
167 | ftpReadPasv, | |
168 | ftpReadCwd, | |
169 | ftpReadList, /* SENT_LIST */ | |
170 | ftpReadList, /* SENT_NLST */ | |
171 | ftpReadRest, | |
172 | ftpReadRetr, | |
173 | ftpReadQuit, | |
174 | ftpReadTransferDone | |
175 | }; | |
e381a13d | 176 | |
582b6456 | 177 | static void |
178 | ftpStateFree(int fd, void *data) | |
ba718c8f | 179 | { |
582b6456 | 180 | FtpStateData *ftpState = data; |
51fa90db | 181 | if (ftpState == NULL) |
582b6456 | 182 | return; |
270b86af | 183 | debug(9, 3) ("ftpStateFree: %s\n", ftpState->entry->url); |
bfcaf585 | 184 | storeUnregisterAbort(ftpState->entry); |
f88211e8 | 185 | storeUnlockObject(ftpState->entry); |
51fa90db | 186 | if (ftpState->reply_hdr) { |
187 | put_free_8k_page(ftpState->reply_hdr); | |
188 | ftpState->reply_hdr = NULL; | |
f0afe435 | 189 | } |
30a4f2a8 | 190 | requestUnlink(ftpState->request); |
3fdadc70 | 191 | if (ftpState->ctrl.buf) |
192 | ftpState->ctrl.freefunc(ftpState->ctrl.buf); | |
193 | if (ftpState->data.buf) | |
194 | ftpState->data.freefunc(ftpState->data.buf); | |
195 | if (ftpState->pathcomps) | |
196 | wordlistDestroy(&ftpState->pathcomps); | |
197 | if (ftpState->ctrl.message) | |
198 | wordlistDestroy(&ftpState->ctrl.message); | |
199 | if (ftpState->cwd_message) | |
200 | wordlistDestroy(&ftpState->cwd_message); | |
b5639035 | 201 | safe_free(ftpState->ctrl.last_message); |
202 | safe_free(ftpState->title_url); | |
203 | safe_free(ftpState->filepath); | |
15888cf7 | 204 | if (ftpState->data.fd > -1) |
205 | comm_close(ftpState->data.fd); | |
7dd44885 | 206 | cbdataFree(ftpState); |
ba718c8f | 207 | } |
208 | ||
b8d8561b | 209 | static void |
9e4ad609 | 210 | ftpLoginParser(const char *login, FtpStateData * ftpState) |
090089c4 | 211 | { |
983061ed | 212 | char *s = NULL; |
582b6456 | 213 | xstrncpy(ftpState->user, login, MAX_URL); |
214 | if ((s = strchr(ftpState->user, ':'))) { | |
983061ed | 215 | *s = 0; |
582b6456 | 216 | xstrncpy(ftpState->password, s + 1, MAX_URL); |
983061ed | 217 | } else { |
582b6456 | 218 | xstrncpy(ftpState->password, null_string, MAX_URL); |
983061ed | 219 | } |
582b6456 | 220 | if (ftpState->user[0] || ftpState->password[0]) |
429fdbec | 221 | return; |
582b6456 | 222 | xstrncpy(ftpState->user, "anonymous", MAX_URL); |
e34e0322 | 223 | xstrncpy(ftpState->password, Config.Ftp.anon_user, MAX_URL); |
090089c4 | 224 | } |
225 | ||
24382924 | 226 | static void |
5c5783a2 | 227 | ftpTimeout(int fd, void *data) |
090089c4 | 228 | { |
582b6456 | 229 | FtpStateData *ftpState = data; |
230 | StoreEntry *entry = ftpState->entry; | |
f52826a1 | 231 | debug(9, 4) ("ftpTimeout: FD %d: '%s'\n", fd, entry->url); |
474cac1b | 232 | storeAbort(entry, ERR_READ_TIMEOUT, NULL, 0); |
15888cf7 | 233 | if (ftpState->data.fd >= 0) { |
3fdadc70 | 234 | comm_close(ftpState->data.fd); |
15888cf7 | 235 | ftpState->data.fd = -1; |
236 | } | |
3fdadc70 | 237 | comm_close(ftpState->ctrl.fd); |
090089c4 | 238 | } |
239 | ||
3fdadc70 | 240 | static void |
241 | ftpListingStart(FtpStateData * ftpState) | |
242 | { | |
243 | StoreEntry *e = ftpState->entry; | |
244 | wordlist *w; | |
245 | storeAppendPrintf(e, "<!-- HTML listing generated by Squid %s -->\n", | |
246 | version_string); | |
247 | storeAppendPrintf(e, "<!-- %s -->\n", mkrfc1123(squid_curtime)); | |
248 | storeAppendPrintf(e, "<HTML><HEAD><TITLE>\n"); | |
249 | storeAppendPrintf(e, "FTP Directory: %s\n", | |
250 | ftpState->title_url); | |
251 | storeAppendPrintf(e, "</TITLE>\n"); | |
252 | if (EBIT_TEST(ftpState->flags, FTP_USE_BASE)) | |
253 | storeAppendPrintf(e, "<BASE HREF=\"%s\">\n", | |
254 | rfc1738_escape(ftpState->title_url)); | |
255 | storeAppendPrintf(e, "</HEAD><BODY>\n"); | |
256 | if (ftpState->cwd_message) { | |
257 | storeAppendPrintf(e, "<PRE>\n"); | |
258 | for (w = ftpState->cwd_message; w; w = w->next) | |
259 | storeAppendPrintf(e, "%s\n", w->key); | |
260 | storeAppendPrintf(e, "</PRE>\n"); | |
261 | storeAppendPrintf(e, "<HR>\n"); | |
262 | wordlistDestroy(&ftpState->cwd_message); | |
263 | } | |
264 | storeAppendPrintf(e, "<H2>\n"); | |
265 | storeAppendPrintf(e, "FTP Directory: %s\n", ftpState->title_url); | |
266 | storeAppendPrintf(e, "</H2>\n"); | |
267 | storeAppendPrintf(e, "<PRE>\n"); | |
268 | EBIT_SET(ftpState->flags, FTP_HTML_HEADER_SENT); | |
269 | } | |
270 | ||
271 | static void | |
272 | ftpListingFinish(FtpStateData * ftpState) | |
273 | { | |
274 | StoreEntry *e = ftpState->entry; | |
275 | storeAppendPrintf(e, "</PRE>\n"); | |
276 | storeAppendPrintf(e, "<HR>\n"); | |
277 | storeAppendPrintf(e, "<ADDRESS>\n"); | |
278 | storeAppendPrintf(e, "Generated %s, by %s/%s@%s\n", | |
279 | mkrfc1123(squid_curtime), | |
280 | appname, | |
281 | version_string, | |
282 | getMyHostname()); | |
283 | storeAppendPrintf(e, "</ADDRESS></BODY></HTML>\n"); | |
284 | } | |
285 | ||
286 | static const char *Month[] = | |
287 | { | |
288 | "Jan", "Feb", "Mar", "Apr", "May", "Jun", | |
289 | "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" | |
290 | }; | |
291 | ||
292 | static int | |
293 | is_month(const char *buf) | |
294 | { | |
295 | int i; | |
296 | for (i = 0; i < 12; i++) | |
297 | if (!strcasecmp(buf, Month[i])) | |
298 | return 1; | |
299 | return 0; | |
300 | } | |
301 | ||
302 | ||
303 | static void | |
304 | ftpListPartsFree(ftpListParts ** parts) | |
305 | { | |
306 | safe_free((*parts)->date); | |
307 | safe_free((*parts)->name); | |
308 | safe_free((*parts)->showname); | |
309 | safe_free((*parts)->link); | |
310 | safe_free(*parts); | |
311 | } | |
312 | ||
313 | #define MAX_TOKENS 64 | |
314 | ||
315 | static ftpListParts * | |
316 | ftpListParseParts(const char *buf, int flags) | |
317 | { | |
318 | ftpListParts *p = NULL; | |
319 | char *t = NULL; | |
320 | const char *ct = NULL; | |
321 | char *tokens[MAX_TOKENS]; | |
322 | int i; | |
323 | int n_tokens; | |
324 | static char sbuf[128]; | |
325 | char *xbuf = NULL; | |
326 | if (buf == NULL) | |
327 | return NULL; | |
328 | if (*buf == '\0') | |
329 | return NULL; | |
330 | p = xcalloc(1, sizeof(ftpListParts)); | |
331 | n_tokens = 0; | |
332 | for (i = 0; i < MAX_TOKENS; i++) | |
333 | tokens[i] = (char *) NULL; | |
334 | xbuf = xstrdup(buf); | |
335 | for (t = strtok(xbuf, w_space); t && n_tokens < MAX_TOKENS; t = strtok(NULL, w_space)) | |
336 | tokens[n_tokens++] = xstrdup(t); | |
337 | xfree(xbuf); | |
338 | /* locate the Month field */ | |
339 | for (i = 3; i < n_tokens - 3; i++) { | |
340 | if (!is_month(tokens[i])) /* Month */ | |
341 | continue; | |
342 | if (!sscanf(tokens[i - 1], "%[0-9]", sbuf)) /* Size */ | |
343 | continue; | |
344 | if (!sscanf(tokens[i + 1], "%[0-9]", sbuf)) /* Day */ | |
345 | continue; | |
346 | if (!sscanf(tokens[i + 2], "%[0-9:]", sbuf)) /* Yr | hh:mm */ | |
347 | continue; | |
348 | p->type = *tokens[0]; | |
349 | p->size = atoi(tokens[i - 1]); | |
350 | sprintf(sbuf, "%s %2s %5s", | |
351 | tokens[i], tokens[i + 1], tokens[i + 2]); | |
352 | if (!strstr(buf, sbuf)) | |
353 | sprintf(sbuf, "%s %2s %-5s", | |
354 | tokens[i], tokens[i + 1], tokens[i + 2]); | |
355 | if ((t = strstr(buf, sbuf))) { | |
356 | p->date = xstrdup(sbuf); | |
357 | if (BIT_TEST(flags, FTP_SKIP_WHITESPACE)) { | |
358 | t += strlen(sbuf); | |
359 | while (strchr(w_space, *t)) | |
360 | t++; | |
361 | } else { | |
362 | /* XXX assumes a single space between date and filename | |
363 | * suggested by: Nathan.Bailey@cc.monash.edu.au and | |
364 | * Mike Battersby <mike@starbug.bofh.asn.au> */ | |
365 | t += strlen(sbuf) + 1; | |
366 | } | |
367 | p->name = xstrdup(t); | |
368 | if ((t = strstr(p->name, " -> "))) { | |
369 | *t = '\0'; | |
370 | p->link = xstrdup(t + 4); | |
371 | } | |
372 | } | |
373 | break; | |
374 | } | |
375 | /* try it as a DOS listing */ | |
376 | if (n_tokens > 3 && p->name == NULL && | |
377 | sscanf(tokens[0], "%[0-9]-%[0-9]-%[0-9]", sbuf, sbuf, sbuf) == 3 && | |
378 | /* 04-05-70 */ | |
379 | sscanf(tokens[1], "%[0-9]:%[0-9]%[AaPp]%[Mm]", sbuf, sbuf, sbuf, sbuf) == 4) { | |
380 | /* 09:33PM */ | |
381 | if (!strcasecmp(tokens[2], "<dir>")) { | |
382 | p->type = 'd'; | |
383 | } else { | |
384 | p->type = '-'; | |
385 | p->size = atoi(tokens[2]); | |
386 | } | |
387 | sprintf(sbuf, "%s %s", tokens[0], tokens[1]); | |
388 | p->date = xstrdup(sbuf); | |
389 | p->name = xstrdup(tokens[3]); | |
390 | } | |
391 | /* Try EPLF format; carson@lehman.com */ | |
392 | if (p->name == NULL && buf[0] == '+') { | |
393 | ct = buf + 1; | |
394 | p->type = 0; | |
395 | while (ct && *ct) { | |
396 | switch (*ct) { | |
397 | case '\t': | |
398 | sscanf(ct + 1, "%[^,]", sbuf); | |
399 | p->name = xstrdup(sbuf); | |
400 | break; | |
401 | case 's': | |
402 | sscanf(ct + 1, "%d", &(p->size)); | |
403 | break; | |
404 | case 'm': | |
405 | sscanf(ct + 1, "%d", &i); | |
406 | p->date = xstrdup(ctime((time_t *) & i)); | |
407 | *(strstr(p->date, "\n")) = '\0'; | |
408 | break; | |
409 | case '/': | |
410 | p->type = 'd'; | |
411 | break; | |
412 | case 'r': | |
413 | p->type = '-'; | |
414 | break; | |
415 | case 'i': | |
416 | break; | |
417 | default: | |
418 | break; | |
419 | } | |
420 | ct = strstr(ct, ","); | |
421 | if (ct) { | |
422 | ct++; | |
423 | } | |
424 | } | |
425 | if (p->type == 0) { | |
426 | p->type = '-'; | |
427 | } | |
428 | } | |
429 | for (i = 0; i < n_tokens; i++) | |
430 | xfree(tokens[i]); | |
b5639035 | 431 | if (p->name == NULL) |
432 | ftpListPartsFree(&p); | |
3fdadc70 | 433 | return p; |
434 | } | |
435 | ||
436 | static const char * | |
437 | dots_fill(size_t len) | |
438 | { | |
439 | static char buf[256]; | |
440 | int i = 0; | |
441 | if (len > Config.Ftp.list_width) { | |
442 | memset(buf, ' ', 256); | |
443 | buf[0] = '\n'; | |
444 | buf[Config.Ftp.list_width + 4] = '\0'; | |
445 | return buf; | |
446 | } | |
447 | for (i = (int) len; i < Config.Ftp.list_width; i++) | |
448 | buf[i - len] = (i % 2) ? '.' : ' '; | |
449 | buf[i - len] = '\0'; | |
450 | return buf; | |
451 | } | |
452 | ||
453 | static char * | |
454 | ftpHtmlifyListEntry(char *line, int flags) | |
455 | { | |
456 | LOCAL_ARRAY(char, link, 2048); | |
457 | LOCAL_ARRAY(char, icon, 2048); | |
458 | LOCAL_ARRAY(char, html, 8192); | |
459 | char *ename = NULL; | |
460 | size_t width = Config.Ftp.list_width; | |
461 | ftpListParts *parts; | |
462 | /* check .. as special case */ | |
463 | if (!strcmp(line, "..")) { | |
365cb147 | 464 | sprintf(icon, "<IMG BORDER=0 SRC=\"%s%s\" ALT=\"%-6s\">", |
465 | "http://internal.squid/icons/", | |
4f117cb4 | 466 | ICON_DIRUP, |
3fdadc70 | 467 | "[DIR]"); |
468 | sprintf(link, "<A HREF=\"%s\">%s</A>", "../", "Parent Directory"); | |
469 | sprintf(html, "%s %s\n", icon, link); | |
470 | return html; | |
471 | } | |
472 | if (strlen(line) > 1024) { | |
473 | sprintf(html, "%s\n", line); | |
474 | return html; | |
475 | } | |
476 | if ((parts = ftpListParseParts(line, flags)) == NULL) { | |
477 | sprintf(html, "%s\n", line); | |
478 | return html; | |
479 | } | |
480 | if (!strcmp(parts->name, ".") || !strcmp(parts->name, "..")) { | |
481 | *html = '\0'; | |
b5639035 | 482 | ftpListPartsFree(&parts); |
3fdadc70 | 483 | return html; |
484 | } | |
485 | parts->size += 1023; | |
486 | parts->size >>= 10; | |
487 | parts->showname = xstrdup(parts->name); | |
488 | if (!Config.Ftp.list_wrap) { | |
489 | if (strlen(parts->showname) > width - 1) { | |
490 | *(parts->showname + width - 1) = '>'; | |
491 | *(parts->showname + width - 0) = '\0'; | |
492 | } | |
493 | } | |
494 | ename = xstrdup(rfc1738_escape(parts->name)); | |
495 | switch (parts->type) { | |
496 | case 'd': | |
365cb147 | 497 | sprintf(icon, "<IMG SRC=\"%s%s\" ALT=\"%-6s\">", |
498 | "http://internal.squid/icons/", | |
4f117cb4 | 499 | ICON_MENU, |
3fdadc70 | 500 | "[DIR]"); |
501 | sprintf(link, "<A HREF=\"%s/\">%s</A>%s", | |
502 | ename, | |
503 | parts->showname, | |
504 | dots_fill(strlen(parts->showname))); | |
505 | sprintf(html, "%s %s [%s]\n", | |
506 | icon, | |
507 | link, | |
508 | parts->date); | |
509 | break; | |
510 | case 'l': | |
365cb147 | 511 | sprintf(icon, "<IMG SRC=\"%s%s\" ALT=\"%-6s\">", |
512 | "http://internal.squid/icons/", | |
4f117cb4 | 513 | ICON_LINK, |
3fdadc70 | 514 | "[LINK]"); |
515 | sprintf(link, "<A HREF=\"%s\">%s</A>%s", | |
516 | ename, | |
517 | parts->showname, | |
518 | dots_fill(strlen(parts->showname))); | |
519 | sprintf(html, "%s %s [%s]\n", | |
520 | icon, | |
521 | link, | |
522 | parts->date); | |
523 | break; | |
524 | case '-': | |
525 | default: | |
365cb147 | 526 | sprintf(icon, "<IMG SRC=\"%s%s\" ALT=\"%-6s\">", |
527 | "http://internal.squid/icons/", | |
3fdadc70 | 528 | mimeGetIcon(parts->name), |
3fdadc70 | 529 | "[FILE]"); |
530 | sprintf(link, "<A HREF=\"%s\">%s</A>%s", | |
531 | ename, | |
532 | parts->showname, | |
533 | dots_fill(strlen(parts->showname))); | |
534 | sprintf(html, "%s %s [%s] %6dk\n", | |
535 | icon, | |
536 | link, | |
537 | parts->date, | |
538 | parts->size); | |
539 | break; | |
540 | } | |
541 | ftpListPartsFree(&parts); | |
542 | xfree(ename); | |
543 | return html; | |
544 | } | |
545 | ||
546 | static void | |
547 | ftpParseListing(FtpStateData * ftpState, int len) | |
548 | { | |
549 | char *buf = ftpState->data.buf; | |
b5639035 | 550 | char *end; |
551 | char *line; | |
3fdadc70 | 552 | char *s; |
553 | char *t; | |
554 | size_t linelen; | |
b5639035 | 555 | size_t usable; |
3fdadc70 | 556 | StoreEntry *e = ftpState->entry; |
b5639035 | 557 | len += ftpState->data.offset; |
558 | end = buf + len - 1; | |
3fdadc70 | 559 | while (*end != '\r' && *end != '\n' && end > buf) |
560 | end--; | |
b5639035 | 561 | usable = end - buf; |
562 | if (usable == 0) { | |
a3d5953d | 563 | debug(9, 3) ("ftpParseListing: didn't find end for %s\n", e->url); |
3fdadc70 | 564 | return; |
565 | } | |
b5639035 | 566 | line = get_free_4k_page(); |
3fdadc70 | 567 | end++; |
568 | for (s = buf; s < end; s += strcspn(s, crlf), s += strspn(s, crlf)) { | |
569 | linelen = strcspn(s, crlf) + 1; | |
570 | if (linelen > 4096) | |
571 | linelen = 4096; | |
572 | xstrncpy(line, s, linelen); | |
a3d5953d | 573 | debug(9, 7) ("%s\n", line); |
3fdadc70 | 574 | if (!strncmp(line, "total", 5)) |
575 | continue; | |
576 | t = ftpHtmlifyListEntry(line, ftpState->flags); | |
577 | assert(t != NULL); | |
578 | storeAppend(e, t, strlen(t)); | |
579 | } | |
b5639035 | 580 | assert(usable <= len); |
581 | if (usable < len) { | |
582 | /* must copy partial line to beginning of buf */ | |
583 | linelen = len - usable + 1; | |
584 | assert(linelen > 0); | |
585 | if (linelen > 4096) | |
586 | linelen = 4096; | |
587 | xstrncpy(line, end, linelen); | |
588 | xstrncpy(ftpState->data.buf, line, ftpState->data.size); | |
589 | ftpState->data.offset = strlen(ftpState->data.buf); | |
590 | } | |
591 | put_free_4k_page(line); | |
3fdadc70 | 592 | } |
090089c4 | 593 | |
582b6456 | 594 | static void |
3fdadc70 | 595 | ftpReadData(int fd, void *data) |
090089c4 | 596 | { |
582b6456 | 597 | FtpStateData *ftpState = data; |
090089c4 | 598 | int len; |
599 | int clen; | |
600 | int off; | |
30a4f2a8 | 601 | int bin; |
bfcaf585 | 602 | StoreEntry *entry = ftpState->entry; |
3fdadc70 | 603 | assert(fd == ftpState->data.fd); |
3fdadc70 | 604 | if (protoAbortFetch(entry)) { |
474cac1b | 605 | storeAbort(entry, ERR_CLIENT_ABORT, NULL, 0); |
a3d5953d | 606 | ftpDataTransferDone(ftpState); |
607 | return; | |
30a4f2a8 | 608 | } |
609 | /* check if we want to defer reading */ | |
610 | clen = entry->mem_obj->e_current_len; | |
611 | off = storeGetLowestReaderOffset(entry); | |
612 | if ((clen - off) > FTP_DELETE_GAP) { | |
30a4f2a8 | 613 | IOStats.Ftp.reads_deferred++; |
a3d5953d | 614 | debug(9, 3) ("ftpReadData: Read deferred for Object: %s\n", |
30a4f2a8 | 615 | entry->url); |
3fdadc70 | 616 | commSetSelect(fd, COMM_SELECT_READ, ftpReadData, data, 0); |
56fa4cad | 617 | if (!BIT_TEST(entry->flag, READ_DEFERRED)) { |
5c5783a2 | 618 | commSetTimeout(fd, Config.Timeout.defer, NULL, NULL); |
56fa4cad | 619 | BIT_SET(entry->flag, READ_DEFERRED); |
620 | } | |
30a4f2a8 | 621 | /* dont try reading again for a while */ |
b6f794d6 | 622 | comm_set_stall(fd, Config.stallDelay); |
582b6456 | 623 | return; |
56fa4cad | 624 | } else { |
625 | BIT_RESET(entry->flag, READ_DEFERRED); | |
090089c4 | 626 | } |
3fdadc70 | 627 | if (EBIT_TEST(ftpState->flags, FTP_ISDIR)) |
628 | if (!EBIT_TEST(ftpState->flags, FTP_HTML_HEADER_SENT)) | |
629 | ftpListingStart(ftpState); | |
1a6e21ac | 630 | errno = 0; |
3fdadc70 | 631 | memset(ftpState->data.buf + ftpState->data.offset, '\0', |
632 | ftpState->data.size - ftpState->data.offset); | |
633 | len = read(fd, | |
634 | ftpState->data.buf + ftpState->data.offset, | |
635 | ftpState->data.size - ftpState->data.offset); | |
4f92c80c | 636 | fd_bytes(fd, len, FD_READ); |
a3d5953d | 637 | debug(9, 5) ("ftpReadData: FD %d, Read %d bytes\n", fd, len); |
30a4f2a8 | 638 | if (len > 0) { |
5c5783a2 | 639 | commSetTimeout(fd, Config.Timeout.read, NULL, NULL); |
4a63c85f | 640 | IOStats.Ftp.reads++; |
30a4f2a8 | 641 | for (clen = len - 1, bin = 0; clen; bin++) |
642 | clen >>= 1; | |
643 | IOStats.Ftp.read_hist[bin]++; | |
644 | } | |
ba718c8f | 645 | if (len < 0) { |
a3d5953d | 646 | debug(50, 1) ("ftpReadData: read error: %s\n", xstrerror()); |
0a0bf5db | 647 | if (errno == EAGAIN || errno == EWOULDBLOCK || errno == EINTR) { |
02be0294 | 648 | commSetSelect(fd, COMM_SELECT_READ, ftpReadData, data, 0); |
6fe6313d | 649 | } else { |
1c481e00 | 650 | BIT_RESET(entry->flag, ENTRY_CACHABLE); |
2daae136 | 651 | storeReleaseRequest(entry); |
474cac1b | 652 | storeAbort(entry, ERR_READ_ERROR, xstrerror(), 0); |
3fdadc70 | 653 | ftpDataTransferDone(ftpState); |
6fe6313d | 654 | } |
ba718c8f | 655 | } else if (len == 0 && entry->mem_obj->e_current_len == 0) { |
474cac1b | 656 | storeAbort(entry, ERR_ZERO_SIZE_OBJECT, errno ? xstrerror() : NULL, 0); |
3fdadc70 | 657 | ftpDataTransferDone(ftpState); |
090089c4 | 658 | } else if (len == 0) { |
659 | /* Connection closed; retrieval done. */ | |
3fdadc70 | 660 | if (EBIT_TEST(ftpState->flags, FTP_HTML_HEADER_SENT)) |
661 | ftpListingFinish(ftpState); | |
662 | storeTimestampsSet(entry); | |
090089c4 | 663 | storeComplete(entry); |
02be0294 | 664 | /* expect the "transfer complete" message on the control socket */ |
270b86af | 665 | commSetSelect(ftpState->ctrl.fd, |
666 | COMM_SELECT_READ, | |
667 | ftpReadControlReply, | |
668 | ftpState, | |
669 | 0); | |
090089c4 | 670 | } else { |
b5639035 | 671 | if (EBIT_TEST(ftpState->flags, FTP_ISDIR)) { |
3fdadc70 | 672 | ftpParseListing(ftpState, len); |
b5639035 | 673 | } else { |
674 | assert(ftpState->data.offset == 0); | |
675 | storeAppend(entry, ftpState->data.buf, len); | |
676 | } | |
3fdadc70 | 677 | commSetSelect(fd, COMM_SELECT_READ, ftpReadData, data, 0); |
090089c4 | 678 | } |
090089c4 | 679 | } |
680 | ||
0f9306d9 | 681 | static char * |
0ee4272b | 682 | ftpGetBasicAuth(const char *req_hdr) |
0f9306d9 | 683 | { |
684 | char *auth_hdr; | |
685 | char *t; | |
686 | if (req_hdr == NULL) | |
687 | return NULL; | |
688 | if ((auth_hdr = mime_get_header(req_hdr, "Authorization")) == NULL) | |
689 | return NULL; | |
690 | if ((t = strtok(auth_hdr, " \t")) == NULL) | |
691 | return NULL; | |
692 | if (strcasecmp(t, "Basic") != 0) | |
693 | return NULL; | |
694 | if ((t = strtok(NULL, " \t")) == NULL) | |
695 | return NULL; | |
696 | return base64_decode(t); | |
697 | } | |
698 | ||
429fdbec | 699 | /* |
700 | * ftpCheckAuth | |
701 | * | |
702 | * Return 1 if we have everything needed to complete this request. | |
703 | * Return 0 if something is missing. | |
704 | */ | |
705 | static int | |
706 | ftpCheckAuth(FtpStateData * ftpState, char *req_hdr) | |
707 | { | |
708 | char *orig_user; | |
709 | char *auth; | |
9e4ad609 | 710 | ftpLoginParser(ftpState->request->login, ftpState); |
429fdbec | 711 | if (ftpState->user[0] && ftpState->password[0]) |
712 | return 1; /* name and passwd both in URL */ | |
713 | if (!ftpState->user[0] && !ftpState->password[0]) | |
714 | return 1; /* no name or passwd */ | |
715 | if (ftpState->password[0]) | |
716 | return 1; /* passwd with no name? */ | |
717 | /* URL has name, but no passwd */ | |
718 | if ((auth = ftpGetBasicAuth(req_hdr)) == NULL) | |
719 | return 0; /* need auth header */ | |
720 | orig_user = xstrdup(ftpState->user); | |
9e4ad609 | 721 | ftpLoginParser(auth, ftpState); |
429fdbec | 722 | if (!strcmp(orig_user, ftpState->user)) { |
723 | xfree(orig_user); | |
724 | return 1; /* same username */ | |
725 | } | |
726 | strcpy(ftpState->user, orig_user); | |
727 | xfree(orig_user); | |
728 | return 0; /* different username */ | |
729 | } | |
730 | ||
3fdadc70 | 731 | static void |
732 | ftpCleanupUrlpath(FtpStateData * ftpState) | |
733 | { | |
734 | request_t *request = ftpState->request; | |
735 | int again; | |
736 | int l; | |
737 | char *t = NULL; | |
738 | char *s = NULL; | |
739 | do { | |
740 | again = 0; | |
741 | l = strlen(request->urlpath); | |
742 | /* check for null path */ | |
743 | if (*request->urlpath == '\0') { | |
744 | xstrncpy(request->urlpath, ".", MAX_URL); | |
745 | EBIT_SET(ftpState->flags, FTP_ROOT_DIR); | |
746 | again = 1; | |
747 | } else if ((l >= 1) && (*(request->urlpath + l - 1) == '/')) { | |
748 | /* remove any trailing slashes from path */ | |
749 | *(request->urlpath + l - 1) = '\0'; | |
750 | EBIT_SET(ftpState->flags, FTP_ISDIR); | |
751 | EBIT_RESET(ftpState->flags, FTP_USE_BASE); | |
752 | again = 1; | |
753 | } else if ((l >= 2) && (!strcmp(request->urlpath + l - 2, "/."))) { | |
754 | /* remove trailing /. */ | |
755 | *(request->urlpath + l - 2) = '\0'; | |
756 | EBIT_SET(ftpState->flags, FTP_ISDIR); | |
757 | EBIT_RESET(ftpState->flags, FTP_USE_BASE); | |
758 | again = 1; | |
759 | } else if (*request->urlpath == '/') { | |
760 | /* remove any leading slashes from path */ | |
761 | t = xstrdup(request->urlpath + 1); | |
762 | xstrncpy(request->urlpath, t, MAX_URL); | |
763 | xfree(t); | |
764 | again = 1; | |
765 | } else if (!strncmp(request->urlpath, "./", 2)) { | |
766 | /* remove leading ./ */ | |
767 | t = xstrdup(request->urlpath + 2); | |
768 | xstrncpy(request->urlpath, t, MAX_URL); | |
769 | xfree(t); | |
770 | again = 1; | |
771 | } else if ((t = strstr(request->urlpath, "/./"))) { | |
772 | /* remove /./ */ | |
773 | s = xstrdup(t + 2); | |
774 | xstrncpy(t, s, strlen(s)); | |
775 | xfree(s); | |
776 | again = 1; | |
777 | } else if ((t = strstr(request->urlpath, "//"))) { | |
778 | /* remove // */ | |
779 | s = xstrdup(t + 1); | |
780 | xstrncpy(t, s, strlen(s)); | |
781 | xfree(s); | |
782 | again = 1; | |
783 | } | |
784 | } while (again); | |
785 | } | |
786 | ||
787 | ||
788 | static void | |
789 | ftpBuildTitleUrl(FtpStateData * ftpState) | |
790 | { | |
791 | request_t *request = ftpState->request; | |
792 | size_t len; | |
793 | char *t; | |
794 | len = 64 | |
795 | + strlen(ftpState->user) | |
796 | + strlen(ftpState->password) | |
797 | + strlen(request->host) | |
798 | + strlen(request->urlpath); | |
799 | t = ftpState->title_url = xcalloc(len, 1); | |
800 | strcat(t, "ftp://"); | |
801 | if (strcmp(ftpState->user, "anonymous")) { | |
802 | strcat(t, ftpState->user); | |
803 | strcat(t, "@"); | |
804 | } | |
805 | strcat(t, request->host); | |
806 | if (request->port != urlDefaultPort(PROTO_FTP)) | |
807 | sprintf(&t[strlen(t)], ":%d", request->port); | |
808 | strcat(t, "/"); | |
809 | if (!EBIT_TEST(ftpState->flags, FTP_ROOT_DIR)) | |
810 | strcat(t, request->urlpath); | |
811 | } | |
812 | ||
813 | ||
770f051d | 814 | void |
75e88d56 | 815 | ftpStart(request_t * request, StoreEntry * entry) |
0a0bf5db | 816 | { |
0a0bf5db | 817 | LOCAL_ARRAY(char, realm, 8192); |
75e88d56 | 818 | char *url = entry->url; |
5c5783a2 | 819 | FtpStateData *ftpState = xcalloc(1, sizeof(FtpStateData)); |
0a0bf5db | 820 | char *response; |
3fdadc70 | 821 | int fd; |
7dd44885 | 822 | cbdataAdd(ftpState); |
a3d5953d | 823 | debug(9, 3) ("FtpStart: '%s'\n", entry->url); |
770f051d | 824 | storeLockObject(entry); |
5c5783a2 | 825 | ftpState->entry = entry; |
5c5783a2 | 826 | ftpState->request = requestLink(request); |
3fdadc70 | 827 | ftpState->ctrl.fd = -1; |
828 | ftpState->data.fd = -1; | |
829 | EBIT_SET(ftpState->flags, FTP_PASV_SUPPORTED); | |
830 | EBIT_SET(ftpState->flags, FTP_REST_SUPPORTED); | |
62dec5a7 | 831 | if (!ftpCheckAuth(ftpState, request->headers)) { |
429fdbec | 832 | /* This request is not fully authenticated */ |
833 | if (request->port == 21) { | |
5c5783a2 | 834 | sprintf(realm, "ftp %s", ftpState->user); |
429fdbec | 835 | } else { |
836 | sprintf(realm, "ftp %s port %d", | |
5c5783a2 | 837 | ftpState->user, request->port); |
e381a13d | 838 | } |
429fdbec | 839 | response = authorization_needed_msg(request, realm); |
840 | storeAppend(entry, response, strlen(response)); | |
841 | httpParseReplyHeaders(response, entry->mem_obj->reply); | |
842 | storeComplete(entry); | |
5c5783a2 | 843 | ftpStateFree(-1, ftpState); |
429fdbec | 844 | return; |
e381a13d | 845 | } |
3fdadc70 | 846 | ftpCleanupUrlpath(ftpState); |
847 | ftpBuildTitleUrl(ftpState); | |
a3d5953d | 848 | debug(9, 5) ("FtpStart: host=%s, path=%s, user=%s, passwd=%s\n", |
5c5783a2 | 849 | ftpState->request->host, ftpState->request->urlpath, |
850 | ftpState->user, ftpState->password); | |
3fdadc70 | 851 | fd = comm_open(SOCK_STREAM, |
16b204c4 | 852 | 0, |
3fdadc70 | 853 | Config.Addrs.tcp_outgoing, |
30a4f2a8 | 854 | 0, |
16b204c4 | 855 | COMM_NONBLOCKING, |
30a4f2a8 | 856 | url); |
3fdadc70 | 857 | if (fd == COMM_ERROR) { |
a3d5953d | 858 | debug(9, 4) ("ftpStart: Failed because we're out of sockets.\n"); |
474cac1b | 859 | storeAbort(entry, ERR_NO_FDS, xstrerror(), 0); |
0a0bf5db | 860 | return; |
090089c4 | 861 | } |
3fdadc70 | 862 | ftpState->ctrl.fd = fd; |
863 | comm_add_close_handler(fd, ftpStateFree, ftpState); | |
5fbef0c9 | 864 | storeRegisterAbort(entry, ftpAbort, ftpState); |
3fdadc70 | 865 | commSetTimeout(fd, Config.Timeout.connect, ftpTimeout, ftpState); |
3fdadc70 | 866 | commConnectStart(ftpState->ctrl.fd, |
867 | request->host, | |
868 | request->port, | |
e924600d | 869 | ftpConnectDone, |
5c5783a2 | 870 | ftpState); |
e5f6c5c2 | 871 | } |
090089c4 | 872 | |
e5f6c5c2 | 873 | static void |
874 | ftpConnectDone(int fd, int status, void *data) | |
875 | { | |
5c5783a2 | 876 | FtpStateData *ftpState = data; |
9e975e4e | 877 | request_t *request = ftpState->request; |
878 | debug(9, 3) ("ftpConnectDone, status = %d\n", status); | |
879 | if (status == COMM_ERR_DNS) { | |
880 | debug(9, 4) ("ftpConnectDone: Unknown host: %s\n", request->host); | |
881 | storeAbort(ftpState->entry, ERR_DNS_FAIL, dns_error_message, 0); | |
882 | comm_close(fd); | |
883 | } else if (status != COMM_OK) { | |
474cac1b | 884 | storeAbort(ftpState->entry, ERR_CONNECT_FAIL, xstrerror(), 0); |
e5f6c5c2 | 885 | comm_close(fd); |
9e975e4e | 886 | } else { |
887 | ftpState->state = BEGIN; | |
888 | ftpState->ctrl.buf = get_free_4k_page(); | |
889 | ftpState->ctrl.freefunc = put_free_4k_page; | |
890 | ftpState->ctrl.size = 4096; | |
891 | ftpState->ctrl.offset = 0; | |
892 | ftpState->data.buf = xmalloc(SQUID_TCP_SO_RCVBUF); | |
893 | ftpState->data.size = SQUID_TCP_SO_RCVBUF; | |
894 | ftpState->data.freefunc = xfree; | |
895 | commSetSelect(fd, COMM_SELECT_READ, ftpReadControlReply, ftpState, 0); | |
e5f6c5c2 | 896 | } |
090089c4 | 897 | } |
898 | ||
3fdadc70 | 899 | /* ====================================================================== */ |
900 | ||
901 | ||
b8d8561b | 902 | static void |
3fdadc70 | 903 | ftpWriteCommand(const char *buf, FtpStateData * ftpState) |
234967c9 | 904 | { |
a3d5953d | 905 | debug(9, 5) ("ftpWriteCommand: %s\n", buf); |
3fdadc70 | 906 | comm_write(ftpState->ctrl.fd, |
907 | xstrdup(buf), | |
908 | strlen(buf), | |
909 | ftpWriteCommandCallback, | |
910 | ftpState, | |
911 | xfree); | |
912 | commSetSelect(ftpState->ctrl.fd, | |
913 | COMM_SELECT_READ, | |
914 | ftpReadControlReply, | |
915 | ftpState, | |
916 | 0); | |
917 | } | |
918 | ||
919 | static void | |
920 | ftpWriteCommandCallback(int fd, char *buf, int size, int errflag, void *data) | |
921 | { | |
922 | FtpStateData *ftpState = data; | |
923 | StoreEntry *entry = ftpState->entry; | |
a3d5953d | 924 | debug(9, 7) ("ftpWriteCommandCallback: wrote %d bytes\n", size); |
3fdadc70 | 925 | if (errflag) { |
270b86af | 926 | debug(50, 1) ("ftpWriteCommandCallback: FD %d: %s\n", fd, xstrerror()); |
3fdadc70 | 927 | BIT_RESET(entry->flag, ENTRY_CACHABLE); |
928 | storeReleaseRequest(entry); | |
474cac1b | 929 | storeAbort(entry, ERR_WRITE_ERROR, xstrerror(), 0); |
3fdadc70 | 930 | comm_close(fd); |
931 | } | |
932 | } | |
933 | ||
934 | static wordlist * | |
935 | ftpParseControlReply(char *buf, size_t len, int *codep) | |
936 | { | |
937 | char *s; | |
938 | int complete = 0; | |
939 | wordlist *head; | |
940 | wordlist *list; | |
941 | wordlist **tail = &head; | |
942 | off_t offset; | |
943 | size_t linelen; | |
b5639035 | 944 | int code = -1; |
a3d5953d | 945 | debug(9, 5) ("ftpParseControlReply\n"); |
3fdadc70 | 946 | if (*(buf + len - 1) != '\n') |
947 | return NULL; | |
948 | for (s = buf; s - buf < len; s += strcspn(s, crlf), s += strspn(s, crlf)) { | |
949 | linelen = strcspn(s, crlf) + 1; | |
950 | if (linelen > 3) | |
951 | complete = (*s >= '0' && *s <= '9' && *(s + 3) == ' '); | |
952 | if (complete) | |
953 | code = atoi(s); | |
954 | offset = 0; | |
955 | if (linelen > 3) | |
956 | if (*s >= '0' && *s <= '9' && (*(s + 3) == '-' || *(s + 3) == ' ')) | |
957 | offset = 4; | |
958 | list = xcalloc(1, sizeof(wordlist)); | |
959 | list->key = xmalloc(linelen - offset); | |
960 | xstrncpy(list->key, s + offset, linelen - offset); | |
4939c5da | 961 | debug(9, 7) ("%d %s\n", code, list->key); |
3fdadc70 | 962 | *tail = list; |
963 | tail = &list->next; | |
964 | } | |
965 | if (!complete) | |
966 | wordlistDestroy(&head); | |
967 | if (codep) | |
968 | *codep = code; | |
969 | return head; | |
970 | } | |
971 | ||
972 | static void | |
973 | ftpReadControlReply(int fd, void *data) | |
974 | { | |
975 | FtpStateData *ftpState = data; | |
976 | StoreEntry *entry = ftpState->entry; | |
977 | char *oldbuf; | |
978 | wordlist **W; | |
979 | int len; | |
a3d5953d | 980 | debug(9, 5) ("ftpReadControlReply\n"); |
3fdadc70 | 981 | assert(ftpState->ctrl.offset < ftpState->ctrl.size); |
982 | len = read(fd, | |
983 | ftpState->ctrl.buf + ftpState->ctrl.offset, | |
984 | ftpState->ctrl.size - ftpState->ctrl.offset); | |
985 | fd_bytes(fd, len, FD_READ); | |
a3d5953d | 986 | debug(9, 5) ("ftpReadControlReply: FD %d, Read %d bytes\n", fd, len); |
3fdadc70 | 987 | if (len > 0) |
988 | commSetTimeout(fd, Config.Timeout.read, NULL, NULL); | |
3fdadc70 | 989 | if (len < 0) { |
a3d5953d | 990 | debug(50, 1) ("ftpReadControlReply: read error: %s\n", xstrerror()); |
3fdadc70 | 991 | if (errno == EAGAIN || errno == EWOULDBLOCK || errno == EINTR) { |
992 | commSetSelect(fd, | |
993 | COMM_SELECT_READ, | |
994 | ftpReadControlReply, | |
995 | ftpState, | |
996 | 0); | |
997 | } else { | |
998 | BIT_RESET(entry->flag, ENTRY_CACHABLE); | |
999 | storeReleaseRequest(entry); | |
474cac1b | 1000 | storeAbort(entry, ERR_READ_ERROR, xstrerror(), 0); |
3fdadc70 | 1001 | comm_close(fd); |
1002 | } | |
1003 | return; | |
1004 | } | |
1005 | if (len == 0) { | |
a3d5953d | 1006 | debug(9, 1) ("Read 0 bytes from FTP control socket?\n"); |
9906e724 | 1007 | assert(len); |
3fdadc70 | 1008 | BIT_RESET(entry->flag, ENTRY_CACHABLE); |
1009 | storeReleaseRequest(entry); | |
474cac1b | 1010 | storeAbort(entry, ERR_READ_ERROR, xstrerror(), 0); |
3fdadc70 | 1011 | comm_close(fd); |
1012 | return; | |
1013 | } | |
b5639035 | 1014 | len += ftpState->ctrl.offset; |
1015 | ftpState->ctrl.offset = len; | |
3fdadc70 | 1016 | assert(len <= ftpState->ctrl.size); |
1017 | wordlistDestroy(&ftpState->ctrl.message); | |
1018 | ftpState->ctrl.message = ftpParseControlReply(ftpState->ctrl.buf, len, | |
1019 | &ftpState->ctrl.replycode); | |
1020 | if (ftpState->ctrl.message == NULL) { | |
a3d5953d | 1021 | debug(9, 5) ("ftpReadControlReply: partial server reply\n"); |
3fdadc70 | 1022 | if (len == ftpState->ctrl.size) { |
1023 | oldbuf = ftpState->ctrl.buf; | |
1024 | ftpState->ctrl.buf = xcalloc(ftpState->ctrl.size << 1, 1); | |
1025 | xmemcpy(ftpState->ctrl.buf, oldbuf, ftpState->ctrl.size); | |
1026 | ftpState->ctrl.size <<= 1; | |
1027 | ftpState->ctrl.freefunc(oldbuf); | |
1028 | ftpState->ctrl.freefunc = xfree; | |
1029 | } | |
1030 | commSetSelect(fd, COMM_SELECT_READ, ftpReadControlReply, ftpState, 0); | |
1031 | return; | |
1032 | } | |
1033 | for (W = &ftpState->ctrl.message; *W && (*W)->next; W = &(*W)->next); | |
b5639035 | 1034 | safe_free(ftpState->ctrl.last_message); |
3fdadc70 | 1035 | ftpState->ctrl.last_message = (*W)->key; |
1036 | safe_free(*W); | |
1037 | ftpState->ctrl.offset = 0; | |
1038 | FTP_SM_FUNCS[ftpState->state] (ftpState); | |
234967c9 | 1039 | } |
1040 | ||
3fdadc70 | 1041 | /* ====================================================================== */ |
1042 | ||
1043 | static void | |
1044 | ftpReadWelcome(FtpStateData * ftpState) | |
1045 | { | |
1046 | int code = ftpState->ctrl.replycode; | |
a3d5953d | 1047 | debug(9, 3) ("ftpReadWelcome\n"); |
3fdadc70 | 1048 | if (EBIT_TEST(ftpState->flags, FTP_PASV_ONLY)) |
1049 | ftpState->login_att++; | |
1050 | if (code == 220) { | |
1051 | if (ftpState->ctrl.message) | |
1052 | if (strstr(ftpState->ctrl.message->key, "NetWare")) | |
1053 | EBIT_SET(ftpState->flags, FTP_SKIP_WHITESPACE); | |
1054 | if (ftpState->proxy_host != NULL) | |
1055 | sprintf(cbuf, "USER %s@%s\r\n", | |
1056 | ftpState->user, | |
1057 | ftpState->request->host); | |
1058 | else | |
1059 | sprintf(cbuf, "USER %s\r\n", ftpState->user); | |
1060 | ftpWriteCommand(cbuf, ftpState); | |
1061 | ftpState->state = SENT_USER; | |
1062 | } else { | |
1063 | ftpFail(ftpState); | |
1064 | } | |
1065 | } | |
1066 | ||
1067 | static void | |
1068 | ftpReadUser(FtpStateData * ftpState) | |
234967c9 | 1069 | { |
3fdadc70 | 1070 | int code = ftpState->ctrl.replycode; |
a3d5953d | 1071 | debug(9, 3) ("ftpReadUser\n"); |
3fdadc70 | 1072 | if (code == 230) { |
1073 | ftpReadPass(ftpState); | |
1074 | } else if (code == 331) { | |
1075 | sprintf(cbuf, "PASS %s\r\n", ftpState->password); | |
1076 | ftpWriteCommand(cbuf, ftpState); | |
1077 | ftpState->state = SENT_PASS; | |
1078 | } else { | |
1079 | ftpFail(ftpState); | |
1080 | } | |
1081 | } | |
1082 | ||
1083 | static void | |
1084 | ftpReadPass(FtpStateData * ftpState) | |
1085 | { | |
1086 | int code = ftpState->ctrl.replycode; | |
1087 | char *t; | |
1088 | char *filename; | |
1089 | char mode; | |
a3d5953d | 1090 | debug(9, 3) ("ftpReadPass\n"); |
3fdadc70 | 1091 | if (code == 230) { |
1092 | t = strrchr(ftpState->request->urlpath, '/'); | |
1093 | filename = t ? t + 1 : ftpState->request->urlpath; | |
1094 | mode = mimeGetTransferMode(filename); | |
1095 | sprintf(cbuf, "TYPE %c\r\n", mode); | |
1096 | ftpWriteCommand(cbuf, ftpState); | |
1097 | ftpState->state = SENT_TYPE; | |
1098 | } else { | |
1099 | ftpFail(ftpState); | |
1100 | } | |
1101 | } | |
1102 | ||
1103 | static void | |
1104 | ftpReadType(FtpStateData * ftpState) | |
1105 | { | |
1106 | int code = ftpState->ctrl.replycode; | |
1107 | wordlist *w; | |
1108 | wordlist **T; | |
1109 | char *path; | |
1110 | char *d; | |
a3d5953d | 1111 | debug(9, 3) ("This is ftpReadType\n"); |
3fdadc70 | 1112 | if (code == 200) { |
1113 | if (EBIT_TEST(ftpState->flags, FTP_ROOT_DIR)) { | |
1114 | ftpSendPasv(ftpState); | |
1115 | } else { | |
1116 | path = xstrdup(ftpState->request->urlpath); | |
1117 | T = &ftpState->pathcomps; | |
1118 | for (d = strtok(path, "/"); d; d = strtok(NULL, "/")) { | |
1119 | w = xcalloc(1, sizeof(wordlist)); | |
1120 | w->key = xstrdup(d); | |
1121 | *T = w; | |
1122 | T = &w->next; | |
1123 | } | |
b5639035 | 1124 | xfree(path); |
3fdadc70 | 1125 | ftpSendCwd(ftpState); |
1126 | } | |
1127 | } else { | |
1128 | ftpFail(ftpState); | |
1129 | } | |
1130 | } | |
1131 | ||
1132 | static void | |
1133 | ftpSendCwd(FtpStateData * ftpState) | |
1134 | { | |
1135 | wordlist *w; | |
a3d5953d | 1136 | debug(9, 3) ("ftpSendCwd\n"); |
3fdadc70 | 1137 | if ((w = ftpState->pathcomps) == NULL) { |
a3d5953d | 1138 | debug(9, 3) ("the final component was a directory\n"); |
3fdadc70 | 1139 | EBIT_SET(ftpState->flags, FTP_ISDIR); |
4939c5da | 1140 | EBIT_SET(ftpState->flags, FTP_USE_BASE); |
3fdadc70 | 1141 | if (!EBIT_TEST(ftpState->flags, FTP_ROOT_DIR)) |
1142 | strcat(ftpState->title_url, "/"); | |
1143 | ftpSendPasv(ftpState); | |
234967c9 | 1144 | return; |
3fdadc70 | 1145 | } |
1146 | sprintf(cbuf, "CWD %s\r\n", w->key); | |
1147 | ftpWriteCommand(cbuf, ftpState); | |
1148 | ftpState->state = SENT_CWD; | |
1149 | } | |
77a30ebb | 1150 | |
3fdadc70 | 1151 | static void |
1152 | ftpReadCwd(FtpStateData * ftpState) | |
1153 | { | |
1154 | int code = ftpState->ctrl.replycode; | |
1155 | size_t len = 0; | |
1156 | wordlist *w; | |
a3d5953d | 1157 | debug(9, 3) ("This is ftpReadCwd\n"); |
3fdadc70 | 1158 | w = ftpState->pathcomps; |
1159 | assert(w != NULL); | |
1160 | if (code >= 200 && code < 300) { | |
1161 | if (ftpState->cwd_message) | |
1162 | wordlistDestroy(&ftpState->cwd_message); | |
1163 | ftpState->cwd_message = ftpState->ctrl.message; | |
1164 | ftpState->ctrl.message = NULL; | |
1165 | /* CWD OK */ | |
1166 | ftpState->pathcomps = w->next; | |
1167 | xfree(w->key); | |
1168 | xfree(w); | |
1169 | ftpSendCwd(ftpState); | |
1170 | } else { | |
1171 | /* CWD FAILED */ | |
1172 | while (w) { | |
1173 | len += (strlen(w->key) + 1); | |
1174 | w = w->next; | |
1175 | } | |
1176 | ftpState->filepath = xcalloc(len, 1); | |
1177 | for (w = ftpState->pathcomps; w; w = w->next) { | |
1178 | strcat(ftpState->filepath, w->key); | |
1179 | if (w->next) | |
1180 | strcat(ftpState->filepath, "/"); | |
1181 | } | |
1182 | wordlistDestroy(&ftpState->pathcomps); | |
1183 | assert(*ftpState->filepath != '\0'); | |
1184 | sprintf(cbuf, "MDTM %s\r\n", ftpState->filepath); | |
1185 | ftpWriteCommand(cbuf, ftpState); | |
1186 | ftpState->state = SENT_MDTM; | |
c021888f | 1187 | } |
3fdadc70 | 1188 | } |
1189 | ||
1190 | static void | |
1191 | ftpReadMdtm(FtpStateData * ftpState) | |
1192 | { | |
1193 | int code = ftpState->ctrl.replycode; | |
a3d5953d | 1194 | debug(9, 3) ("This is ftpReadMdtm\n"); |
3fdadc70 | 1195 | if (code == 213) { |
1196 | ftpState->mdtm = parse_iso3307_time(ftpState->ctrl.last_message); | |
3fdadc70 | 1197 | } else if (code < 0) { |
1198 | ftpFail(ftpState); | |
77a30ebb | 1199 | } |
4939c5da | 1200 | assert(ftpState->filepath != NULL); |
1201 | assert(*ftpState->filepath != '\0'); | |
1202 | sprintf(cbuf, "SIZE %s\r\n", ftpState->filepath); | |
1203 | ftpWriteCommand(cbuf, ftpState); | |
1204 | ftpState->state = SENT_SIZE; | |
3fdadc70 | 1205 | } |
1206 | ||
1207 | static void | |
1208 | ftpReadSize(FtpStateData * ftpState) | |
1209 | { | |
1210 | int code = ftpState->ctrl.replycode; | |
a3d5953d | 1211 | debug(9, 3) ("This is ftpReadSize\n"); |
3fdadc70 | 1212 | if (code == 213) { |
1213 | ftpState->size = atoi(ftpState->ctrl.last_message); | |
3fdadc70 | 1214 | } else if (code < 0) { |
1215 | ftpFail(ftpState); | |
1216 | } | |
4939c5da | 1217 | ftpSendPasv(ftpState); |
3fdadc70 | 1218 | } |
1219 | ||
1220 | static void | |
1221 | ftpSendPasv(FtpStateData * ftpState) | |
1222 | { | |
1223 | int fd; | |
1224 | assert(ftpState->data.fd < 0); | |
1225 | if (!EBIT_TEST(ftpState->flags, FTP_PASV_SUPPORTED)) { | |
1226 | ftpSendPort(ftpState); | |
1227 | return; | |
30a4f2a8 | 1228 | } |
3fdadc70 | 1229 | fd = comm_open(SOCK_STREAM, |
16b204c4 | 1230 | 0, |
3fdadc70 | 1231 | Config.Addrs.tcp_outgoing, |
30a4f2a8 | 1232 | 0, |
3fdadc70 | 1233 | COMM_NONBLOCKING, |
1234 | ftpState->entry->url); | |
1235 | if (fd < 0) { | |
1236 | ftpFail(ftpState); | |
1237 | return; | |
1238 | } | |
1239 | ftpState->data.fd = fd; | |
1240 | commSetTimeout(fd, Config.Timeout.read, ftpTimeout, ftpState); | |
1241 | sprintf(cbuf, "PASV\r\n"); | |
1242 | ftpWriteCommand(cbuf, ftpState); | |
1243 | ftpState->state = SENT_PASV; | |
1244 | } | |
1245 | ||
1246 | static void | |
1247 | ftpReadPasv(FtpStateData * ftpState) | |
1248 | { | |
1249 | int code = ftpState->ctrl.replycode; | |
1250 | int h1, h2, h3, h4; | |
1251 | int p1, p2; | |
1252 | int n; | |
1253 | u_short port; | |
1254 | int fd = ftpState->data.fd; | |
1255 | char *buf = ftpState->ctrl.last_message; | |
1256 | LOCAL_ARRAY(char, junk, 1024); | |
a3d5953d | 1257 | debug(9, 3) ("This is ftpReadPasv\n"); |
3fdadc70 | 1258 | if (code != 227) { |
a3d5953d | 1259 | debug(9, 3) ("PASV not supported by remote end\n"); |
3fdadc70 | 1260 | ftpSendPort(ftpState); |
1261 | return; | |
1262 | } | |
1263 | if (strlen(buf) > 1024) { | |
a3d5953d | 1264 | debug(9, 1) ("Avoiding potential buffer overflow\n"); |
3fdadc70 | 1265 | ftpSendPort(ftpState); |
1266 | return; | |
1267 | } | |
1268 | /* 227 Entering Passive Mode (h1,h2,h3,h4,p1,p2). */ | |
1269 | /* ANSI sez [^0-9] is undefined, it breaks on Watcom cc */ | |
a3d5953d | 1270 | debug(9, 5) ("scanning: %s\n", buf); |
3fdadc70 | 1271 | n = sscanf(buf, "%[^0123456789]%d,%d,%d,%d,%d,%d", |
1272 | junk, &h1, &h2, &h3, &h4, &p1, &p2); | |
1273 | if (n != 7 || p1 < 0 || p2 < 0 || p1 > 255 || p2 > 255) { | |
a3d5953d | 1274 | debug(9, 3) ("Bad 227 reply\n"); |
1275 | debug(9, 3) ("n=%d, p1=%d, p2=%d\n", n, p1, p2); | |
3fdadc70 | 1276 | ftpSendPort(ftpState); |
1277 | return; | |
1278 | } | |
1279 | sprintf(junk, "%d.%d.%d.%d", h1, h2, h3, h4); | |
1280 | if (!safe_inet_addr(junk, NULL)) { | |
a3d5953d | 1281 | debug(9, 1) ("unsafe address (%s)\n", junk); |
3fdadc70 | 1282 | ftpSendPort(ftpState); |
1283 | return; | |
1284 | } | |
1285 | port = ((p1 << 8) + p2); | |
a3d5953d | 1286 | debug(9, 5) ("ftpReadPasv: connecting to %s, port %d\n", junk, port); |
3fdadc70 | 1287 | commConnectStart(fd, junk, port, ftpPasvCallback, ftpState); |
1288 | } | |
1289 | ||
1290 | static void | |
1291 | ftpPasvCallback(int fd, int status, void *data) | |
1292 | { | |
1293 | FtpStateData *ftpState = data; | |
a3d5953d | 1294 | debug(9, 3) ("ftpPasvCallback\n"); |
3fdadc70 | 1295 | if (status == COMM_ERROR) { |
474cac1b | 1296 | storeAbort(ftpState->entry, ERR_CONNECT_FAIL, xstrerror(), 0); |
3fdadc70 | 1297 | comm_close(fd); |
1298 | return; | |
1299 | } | |
1300 | ftpRestOrList(ftpState); | |
1301 | } | |
1302 | ||
1303 | static void | |
1304 | ftpSendPort(FtpStateData * ftpState) | |
1305 | { | |
a3d5953d | 1306 | debug(9, 3) ("This is ftpSendPort\n"); |
3fdadc70 | 1307 | EBIT_RESET(ftpState->flags, FTP_PASV_SUPPORTED); |
1308 | } | |
1309 | ||
1310 | static void | |
1311 | ftpReadPort(FtpStateData * ftpState) | |
1312 | { | |
a3d5953d | 1313 | debug(9, 3) ("This is ftpReadPort\n"); |
3fdadc70 | 1314 | } |
1315 | ||
1316 | static void | |
1317 | ftpRestOrList(FtpStateData * ftpState) | |
1318 | { | |
a3d5953d | 1319 | debug(9, 3) ("This is ftpRestOrList\n"); |
3fdadc70 | 1320 | if (EBIT_TEST(ftpState->flags, FTP_ISDIR)) { |
1321 | sprintf(cbuf, "LIST\r\n"); | |
1322 | ftpWriteCommand(cbuf, ftpState); | |
1323 | ftpState->state = SENT_LIST; | |
1324 | } else if (ftpState->restart_offset > 0) { | |
1325 | sprintf(cbuf, "REST\r\n"); | |
1326 | ftpWriteCommand(cbuf, ftpState); | |
1327 | ftpState->state = SENT_REST; | |
1328 | } else { | |
1329 | assert(ftpState->filepath != NULL); | |
1330 | sprintf(cbuf, "RETR %s\r\n", ftpState->filepath); | |
1331 | ftpWriteCommand(cbuf, ftpState); | |
1332 | ftpState->state = SENT_RETR; | |
1333 | } | |
1334 | } | |
1335 | ||
1336 | static void | |
1337 | ftpReadRest(FtpStateData * ftpState) | |
1338 | { | |
1339 | int code = ftpState->ctrl.replycode; | |
a3d5953d | 1340 | debug(9, 3) ("This is ftpReadRest\n"); |
3fdadc70 | 1341 | assert(ftpState->restart_offset > 0); |
1342 | if (code == 350) { | |
1343 | assert(ftpState->filepath != NULL); | |
1344 | sprintf(cbuf, "RETR %s\r\n", ftpState->filepath); | |
1345 | ftpWriteCommand(cbuf, ftpState); | |
1346 | ftpState->state = SENT_RETR; | |
1347 | } else if (code > 0) { | |
a3d5953d | 1348 | debug(9, 3) ("ftpReadRest: REST not supported\n"); |
3fdadc70 | 1349 | EBIT_RESET(ftpState->flags, FTP_REST_SUPPORTED); |
1350 | } else { | |
1351 | ftpFail(ftpState); | |
1352 | } | |
1353 | } | |
1354 | ||
1355 | static void | |
1356 | ftpReadList(FtpStateData * ftpState) | |
1357 | { | |
1358 | int code = ftpState->ctrl.replycode; | |
a3d5953d | 1359 | debug(9, 3) ("This is ftpReadList\n"); |
3fdadc70 | 1360 | if (code == 150 || code == 125) { |
1361 | ftpAppendSuccessHeader(ftpState); | |
1362 | commSetSelect(ftpState->data.fd, | |
30a4f2a8 | 1363 | COMM_SELECT_READ, |
3fdadc70 | 1364 | ftpReadData, |
1365 | ftpState, | |
1366 | 0); | |
1367 | ftpState->state = READING_DATA; | |
1368 | return; | |
1369 | } else if (!EBIT_TEST(ftpState->flags, FTP_TRIED_NLST)) { | |
1370 | EBIT_SET(ftpState->flags, FTP_TRIED_NLST); | |
1371 | sprintf(cbuf, "NLST\r\n"); | |
1372 | ftpWriteCommand(cbuf, ftpState); | |
1373 | ftpState->state = SENT_NLST; | |
1374 | } else { | |
1375 | ftpFail(ftpState); | |
1376 | return; | |
1377 | } | |
1378 | } | |
1379 | ||
1380 | static void | |
1381 | ftpReadRetr(FtpStateData * ftpState) | |
1382 | { | |
1383 | int code = ftpState->ctrl.replycode; | |
a3d5953d | 1384 | debug(9, 3) ("This is ftpReadRetr\n"); |
3fdadc70 | 1385 | if (code >= 100 && code < 200) { |
a3d5953d | 1386 | debug(9, 3) ("reading data channel\n"); |
3fdadc70 | 1387 | ftpAppendSuccessHeader(ftpState); |
1388 | commSetSelect(ftpState->data.fd, | |
1389 | COMM_SELECT_READ, | |
1390 | ftpReadData, | |
1391 | ftpState, | |
1392 | 0); | |
1393 | ftpState->state = READING_DATA; | |
1394 | } else { | |
1395 | ftpFail(ftpState); | |
1396 | } | |
1397 | } | |
1398 | ||
1399 | static void | |
1400 | ftpReadTransferDone(FtpStateData * ftpState) | |
1401 | { | |
1402 | int code = ftpState->ctrl.replycode; | |
a3d5953d | 1403 | debug(9, 3) ("This is ftpReadTransferDone\n"); |
3fdadc70 | 1404 | if (code != 226) { |
a3d5953d | 1405 | debug(9, 1) ("Got code %d after reading data, releasing entry\n"); |
3fdadc70 | 1406 | storeReleaseRequest(ftpState->entry); |
1407 | } | |
02be0294 | 1408 | ftpDataTransferDone(ftpState); |
3fdadc70 | 1409 | } |
1410 | ||
1411 | static void | |
1412 | ftpDataTransferDone(FtpStateData * ftpState) | |
1413 | { | |
a3d5953d | 1414 | debug(9, 3) ("This is ftpDataTransferDone\n"); |
033fa114 | 1415 | if (ftpState->data.fd > -1) { |
a3d5953d | 1416 | comm_close(ftpState->data.fd); |
1417 | ftpState->data.fd = -1; | |
033fa114 | 1418 | } |
1419 | assert(ftpState->ctrl.fd > -1); | |
3fdadc70 | 1420 | sprintf(cbuf, "QUIT\r\n"); |
1421 | ftpWriteCommand(cbuf, ftpState); | |
1422 | ftpState->state = SENT_QUIT; | |
1423 | } | |
1424 | ||
1425 | static void | |
1426 | ftpReadQuit(FtpStateData * ftpState) | |
1427 | { | |
1428 | comm_close(ftpState->ctrl.fd); | |
1429 | } | |
1430 | ||
1431 | static void | |
1432 | ftpFail(FtpStateData * ftpState) | |
1433 | { | |
a3d5953d | 1434 | debug(9, 3) ("ftpFail\n"); |
3fdadc70 | 1435 | comm_close(ftpState->ctrl.fd); |
1436 | } | |
1437 | ||
1438 | static void | |
1439 | ftpAppendSuccessHeader(FtpStateData * ftpState) | |
1440 | { | |
1441 | char *mime_type = NULL; | |
1442 | char *mime_enc = NULL; | |
1443 | char *urlpath = ftpState->request->urlpath; | |
1444 | char *filename = NULL; | |
1445 | char *t = NULL; | |
1446 | StoreEntry *e = ftpState->entry; | |
9e975e4e | 1447 | http_reply *reply = e->mem_obj->reply; |
3fdadc70 | 1448 | if (EBIT_TEST(ftpState->flags, FTP_HTTP_HEADER_SENT)) |
1449 | return; | |
9e975e4e | 1450 | EBIT_SET(ftpState->flags, FTP_HTTP_HEADER_SENT); |
3fdadc70 | 1451 | assert(e->mem_obj->e_current_len == 0); |
1452 | filename = (t = strrchr(urlpath, '/')) ? t + 1 : urlpath; | |
1453 | if (EBIT_TEST(ftpState->flags, FTP_ISDIR)) { | |
1454 | mime_type = "text/html"; | |
1455 | } else { | |
1456 | mime_type = mimeGetContentType(filename); | |
1457 | mime_enc = mimeGetContentEncoding(filename); | |
1458 | } | |
1459 | storeAppendPrintf(e, "HTTP/1.0 200 Gatewaying\r\n"); | |
e6b02cfc | 1460 | reply->code = 200; |
1461 | reply->version = 1.0; | |
3fdadc70 | 1462 | storeAppendPrintf(e, "Date: %s\r\n", mkrfc1123(squid_curtime)); |
e6b02cfc | 1463 | reply->date = squid_curtime; |
3fdadc70 | 1464 | storeAppendPrintf(e, "MIME-Version: 1.0\r\n"); |
1465 | storeAppendPrintf(e, "Server: Squid %s\r\n", version_string); | |
e6b02cfc | 1466 | if (ftpState->size > 0) { |
3fdadc70 | 1467 | storeAppendPrintf(e, "Content-Length: %d\r\n", ftpState->size); |
a3d5953d | 1468 | reply->content_length = ftpState->size; |
e6b02cfc | 1469 | } |
1470 | if (mime_type) { | |
3fdadc70 | 1471 | storeAppendPrintf(e, "Content-Type: %s\r\n", mime_type); |
a3d5953d | 1472 | xstrncpy(reply->content_type, mime_type, HTTP_REPLY_FIELD_SZ); |
e6b02cfc | 1473 | } |
3fdadc70 | 1474 | if (mime_enc) |
1475 | storeAppendPrintf(e, "Content-Encoding: %s\r\n", mime_enc); | |
e6b02cfc | 1476 | if (ftpState->mdtm > 0) { |
3fdadc70 | 1477 | storeAppendPrintf(e, "Last-Modified: %s\r\n", mkrfc1123(ftpState->mdtm)); |
e6b02cfc | 1478 | reply->last_modified = ftpState->mdtm; |
1479 | } | |
3fdadc70 | 1480 | storeAppendPrintf(e, "\r\n"); |
e6b02cfc | 1481 | storeTimestampsSet(e); |
e6b02cfc | 1482 | storeSetPublicKey(e); |
77a30ebb | 1483 | } |
bfcaf585 | 1484 | |
1485 | static void | |
1486 | ftpAbort(void *data) | |
1487 | { | |
1488 | FtpStateData *ftpState = data; | |
a3d5953d | 1489 | debug(9, 1) ("ftpAbort: %s\n", ftpState->entry->url); |
15888cf7 | 1490 | if (ftpState->data.fd >= 0) { |
270b86af | 1491 | comm_close(ftpState->data.fd); |
15888cf7 | 1492 | ftpState->data.fd = -1; |
1493 | } | |
7b2cdd7b | 1494 | comm_close(ftpState->ctrl.fd); |
bfcaf585 | 1495 | } |