/src/PROJ/curl/lib/cookie.c
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1 | | /*************************************************************************** |
2 | | * _ _ ____ _ |
3 | | * Project ___| | | | _ \| | |
4 | | * / __| | | | |_) | | |
5 | | * | (__| |_| | _ <| |___ |
6 | | * \___|\___/|_| \_\_____| |
7 | | * |
8 | | * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al. |
9 | | * |
10 | | * This software is licensed as described in the file COPYING, which |
11 | | * you should have received as part of this distribution. The terms |
12 | | * are also available at https://curl.se/docs/copyright.html. |
13 | | * |
14 | | * You may opt to use, copy, modify, merge, publish, distribute and/or sell |
15 | | * copies of the Software, and permit persons to whom the Software is |
16 | | * furnished to do so, under the terms of the COPYING file. |
17 | | * |
18 | | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY |
19 | | * KIND, either express or implied. |
20 | | * |
21 | | * SPDX-License-Identifier: curl |
22 | | * |
23 | | ***************************************************************************/ |
24 | | |
25 | | /*** |
26 | | |
27 | | |
28 | | RECEIVING COOKIE INFORMATION |
29 | | ============================ |
30 | | |
31 | | struct CookieInfo *Curl_cookie_init(struct Curl_easy *data, |
32 | | const char *file, struct CookieInfo *inc, bool newsession); |
33 | | |
34 | | Inits a cookie struct to store data in a local file. This is always |
35 | | called before any cookies are set. |
36 | | |
37 | | struct Cookie *Curl_cookie_add(struct Curl_easy *data, |
38 | | struct CookieInfo *c, bool httpheader, bool noexpire, |
39 | | char *lineptr, const char *domain, const char *path, |
40 | | bool secure); |
41 | | |
42 | | The 'lineptr' parameter is a full "Set-cookie:" line as |
43 | | received from a server. |
44 | | |
45 | | The function need to replace previously stored lines that this new |
46 | | line supersedes. |
47 | | |
48 | | It may remove lines that are expired. |
49 | | |
50 | | It should return an indication of success/error. |
51 | | |
52 | | |
53 | | SENDING COOKIE INFORMATION |
54 | | ========================== |
55 | | |
56 | | struct Cookies *Curl_cookie_getlist(struct CookieInfo *cookie, |
57 | | char *host, char *path, bool secure); |
58 | | |
59 | | For a given host and path, return a linked list of cookies that |
60 | | the client should send to the server if used now. The secure |
61 | | boolean informs the cookie if a secure connection is achieved or |
62 | | not. |
63 | | |
64 | | It shall only return cookies that haven't expired. |
65 | | |
66 | | |
67 | | Example set of cookies: |
68 | | |
69 | | Set-cookie: PRODUCTINFO=webxpress; domain=.fidelity.com; path=/; secure |
70 | | Set-cookie: PERSONALIZE=none;expires=Monday, 13-Jun-1988 03:04:55 GMT; |
71 | | domain=.fidelity.com; path=/ftgw; secure |
72 | | Set-cookie: FidHist=none;expires=Monday, 13-Jun-1988 03:04:55 GMT; |
73 | | domain=.fidelity.com; path=/; secure |
74 | | Set-cookie: FidOrder=none;expires=Monday, 13-Jun-1988 03:04:55 GMT; |
75 | | domain=.fidelity.com; path=/; secure |
76 | | Set-cookie: DisPend=none;expires=Monday, 13-Jun-1988 03:04:55 GMT; |
77 | | domain=.fidelity.com; path=/; secure |
78 | | Set-cookie: FidDis=none;expires=Monday, 13-Jun-1988 03:04:55 GMT; |
79 | | domain=.fidelity.com; path=/; secure |
80 | | Set-cookie: |
81 | | Session_Key@6791a9e0-901a-11d0-a1c8-9b012c88aa77=none;expires=Monday, |
82 | | 13-Jun-1988 03:04:55 GMT; domain=.fidelity.com; path=/; secure |
83 | | ****/ |
84 | | |
85 | | |
86 | | #include "curl_setup.h" |
87 | | |
88 | | #if !defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_COOKIES) |
89 | | |
90 | | #include "urldata.h" |
91 | | #include "cookie.h" |
92 | | #include "psl.h" |
93 | | #include "strtok.h" |
94 | | #include "sendf.h" |
95 | | #include "slist.h" |
96 | | #include "share.h" |
97 | | #include "strtoofft.h" |
98 | | #include "strcase.h" |
99 | | #include "curl_get_line.h" |
100 | | #include "curl_memrchr.h" |
101 | | #include "parsedate.h" |
102 | | #include "rename.h" |
103 | | #include "fopen.h" |
104 | | #include "strdup.h" |
105 | | |
106 | | /* The last 3 #include files should be in this order */ |
107 | | #include "curl_printf.h" |
108 | | #include "curl_memory.h" |
109 | | #include "memdebug.h" |
110 | | |
111 | | static void strstore(char **str, const char *newstr, size_t len); |
112 | | |
113 | | static void freecookie(struct Cookie *co) |
114 | 0 | { |
115 | 0 | free(co->domain); |
116 | 0 | free(co->path); |
117 | 0 | free(co->spath); |
118 | 0 | free(co->name); |
119 | 0 | free(co->value); |
120 | 0 | free(co); |
121 | 0 | } |
122 | | |
123 | | static bool cookie_tailmatch(const char *cookie_domain, |
124 | | size_t cookie_domain_len, |
125 | | const char *hostname) |
126 | 0 | { |
127 | 0 | size_t hostname_len = strlen(hostname); |
128 | |
|
129 | 0 | if(hostname_len < cookie_domain_len) |
130 | 0 | return FALSE; |
131 | | |
132 | 0 | if(!strncasecompare(cookie_domain, |
133 | 0 | hostname + hostname_len-cookie_domain_len, |
134 | 0 | cookie_domain_len)) |
135 | 0 | return FALSE; |
136 | | |
137 | | /* |
138 | | * A lead char of cookie_domain is not '.'. |
139 | | * RFC6265 4.1.2.3. The Domain Attribute says: |
140 | | * For example, if the value of the Domain attribute is |
141 | | * "example.com", the user agent will include the cookie in the Cookie |
142 | | * header when making HTTP requests to example.com, www.example.com, and |
143 | | * www.corp.example.com. |
144 | | */ |
145 | 0 | if(hostname_len == cookie_domain_len) |
146 | 0 | return TRUE; |
147 | 0 | if('.' == *(hostname + hostname_len - cookie_domain_len - 1)) |
148 | 0 | return TRUE; |
149 | 0 | return FALSE; |
150 | 0 | } |
151 | | |
152 | | /* |
153 | | * matching cookie path and url path |
154 | | * RFC6265 5.1.4 Paths and Path-Match |
155 | | */ |
156 | | static bool pathmatch(const char *cookie_path, const char *request_uri) |
157 | 0 | { |
158 | 0 | size_t cookie_path_len; |
159 | 0 | size_t uri_path_len; |
160 | 0 | char *uri_path = NULL; |
161 | 0 | char *pos; |
162 | 0 | bool ret = FALSE; |
163 | | |
164 | | /* cookie_path must not have last '/' separator. ex: /sample */ |
165 | 0 | cookie_path_len = strlen(cookie_path); |
166 | 0 | if(1 == cookie_path_len) { |
167 | | /* cookie_path must be '/' */ |
168 | 0 | return TRUE; |
169 | 0 | } |
170 | | |
171 | 0 | uri_path = strdup(request_uri); |
172 | 0 | if(!uri_path) |
173 | 0 | return FALSE; |
174 | 0 | pos = strchr(uri_path, '?'); |
175 | 0 | if(pos) |
176 | 0 | *pos = 0x0; |
177 | | |
178 | | /* #-fragments are already cut off! */ |
179 | 0 | if(0 == strlen(uri_path) || uri_path[0] != '/') { |
180 | 0 | strstore(&uri_path, "/", 1); |
181 | 0 | if(!uri_path) |
182 | 0 | return FALSE; |
183 | 0 | } |
184 | | |
185 | | /* |
186 | | * here, RFC6265 5.1.4 says |
187 | | * 4. Output the characters of the uri-path from the first character up |
188 | | * to, but not including, the right-most %x2F ("/"). |
189 | | * but URL path /hoge?fuga=xxx means /hoge/index.cgi?fuga=xxx in some site |
190 | | * without redirect. |
191 | | * Ignore this algorithm because /hoge is uri path for this case |
192 | | * (uri path is not /). |
193 | | */ |
194 | | |
195 | 0 | uri_path_len = strlen(uri_path); |
196 | |
|
197 | 0 | if(uri_path_len < cookie_path_len) { |
198 | 0 | ret = FALSE; |
199 | 0 | goto pathmatched; |
200 | 0 | } |
201 | | |
202 | | /* not using checkprefix() because matching should be case-sensitive */ |
203 | 0 | if(strncmp(cookie_path, uri_path, cookie_path_len)) { |
204 | 0 | ret = FALSE; |
205 | 0 | goto pathmatched; |
206 | 0 | } |
207 | | |
208 | | /* The cookie-path and the uri-path are identical. */ |
209 | 0 | if(cookie_path_len == uri_path_len) { |
210 | 0 | ret = TRUE; |
211 | 0 | goto pathmatched; |
212 | 0 | } |
213 | | |
214 | | /* here, cookie_path_len < uri_path_len */ |
215 | 0 | if(uri_path[cookie_path_len] == '/') { |
216 | 0 | ret = TRUE; |
217 | 0 | goto pathmatched; |
218 | 0 | } |
219 | | |
220 | 0 | ret = FALSE; |
221 | |
|
222 | 0 | pathmatched: |
223 | 0 | free(uri_path); |
224 | 0 | return ret; |
225 | 0 | } |
226 | | |
227 | | /* |
228 | | * Return the top-level domain, for optimal hashing. |
229 | | */ |
230 | | static const char *get_top_domain(const char * const domain, size_t *outlen) |
231 | 0 | { |
232 | 0 | size_t len = 0; |
233 | 0 | const char *first = NULL, *last; |
234 | |
|
235 | 0 | if(domain) { |
236 | 0 | len = strlen(domain); |
237 | 0 | last = memrchr(domain, '.', len); |
238 | 0 | if(last) { |
239 | 0 | first = memrchr(domain, '.', (last - domain)); |
240 | 0 | if(first) |
241 | 0 | len -= (++first - domain); |
242 | 0 | } |
243 | 0 | } |
244 | |
|
245 | 0 | if(outlen) |
246 | 0 | *outlen = len; |
247 | |
|
248 | 0 | return first? first: domain; |
249 | 0 | } |
250 | | |
251 | | /* Avoid C1001, an "internal error" with MSVC14 */ |
252 | | #if defined(_MSC_VER) && (_MSC_VER == 1900) |
253 | | #pragma optimize("", off) |
254 | | #endif |
255 | | |
256 | | /* |
257 | | * A case-insensitive hash for the cookie domains. |
258 | | */ |
259 | | static size_t cookie_hash_domain(const char *domain, const size_t len) |
260 | 0 | { |
261 | 0 | const char *end = domain + len; |
262 | 0 | size_t h = 5381; |
263 | |
|
264 | 0 | while(domain < end) { |
265 | 0 | h += h << 5; |
266 | 0 | h ^= Curl_raw_toupper(*domain++); |
267 | 0 | } |
268 | |
|
269 | 0 | return (h % COOKIE_HASH_SIZE); |
270 | 0 | } |
271 | | |
272 | | #if defined(_MSC_VER) && (_MSC_VER == 1900) |
273 | | #pragma optimize("", on) |
274 | | #endif |
275 | | |
276 | | /* |
277 | | * Hash this domain. |
278 | | */ |
279 | | static size_t cookiehash(const char * const domain) |
280 | 0 | { |
281 | 0 | const char *top; |
282 | 0 | size_t len; |
283 | |
|
284 | 0 | if(!domain || Curl_host_is_ipnum(domain)) |
285 | 0 | return 0; |
286 | | |
287 | 0 | top = get_top_domain(domain, &len); |
288 | 0 | return cookie_hash_domain(top, len); |
289 | 0 | } |
290 | | |
291 | | /* |
292 | | * cookie path sanitize |
293 | | */ |
294 | | static char *sanitize_cookie_path(const char *cookie_path) |
295 | 0 | { |
296 | 0 | size_t len; |
297 | 0 | char *new_path = strdup(cookie_path); |
298 | 0 | if(!new_path) |
299 | 0 | return NULL; |
300 | | |
301 | | /* some stupid site sends path attribute with '"'. */ |
302 | 0 | len = strlen(new_path); |
303 | 0 | if(new_path[0] == '\"') { |
304 | 0 | memmove(new_path, new_path + 1, len); |
305 | 0 | len--; |
306 | 0 | } |
307 | 0 | if(len && (new_path[len - 1] == '\"')) { |
308 | 0 | new_path[--len] = 0x0; |
309 | 0 | } |
310 | | |
311 | | /* RFC6265 5.2.4 The Path Attribute */ |
312 | 0 | if(new_path[0] != '/') { |
313 | | /* Let cookie-path be the default-path. */ |
314 | 0 | strstore(&new_path, "/", 1); |
315 | 0 | return new_path; |
316 | 0 | } |
317 | | |
318 | | /* convert /hoge/ to /hoge */ |
319 | 0 | if(len && new_path[len - 1] == '/') { |
320 | 0 | new_path[len - 1] = 0x0; |
321 | 0 | } |
322 | |
|
323 | 0 | return new_path; |
324 | 0 | } |
325 | | |
326 | | /* |
327 | | * Load cookies from all given cookie files (CURLOPT_COOKIEFILE). |
328 | | * |
329 | | * NOTE: OOM or cookie parsing failures are ignored. |
330 | | */ |
331 | | void Curl_cookie_loadfiles(struct Curl_easy *data) |
332 | 0 | { |
333 | 0 | struct curl_slist *list = data->state.cookielist; |
334 | 0 | if(list) { |
335 | 0 | Curl_share_lock(data, CURL_LOCK_DATA_COOKIE, CURL_LOCK_ACCESS_SINGLE); |
336 | 0 | while(list) { |
337 | 0 | struct CookieInfo *newcookies = |
338 | 0 | Curl_cookie_init(data, list->data, data->cookies, |
339 | 0 | data->set.cookiesession); |
340 | 0 | if(!newcookies) |
341 | | /* |
342 | | * Failure may be due to OOM or a bad cookie; both are ignored |
343 | | * but only the first should be |
344 | | */ |
345 | 0 | infof(data, "ignoring failed cookie_init for %s", list->data); |
346 | 0 | else |
347 | 0 | data->cookies = newcookies; |
348 | 0 | list = list->next; |
349 | 0 | } |
350 | 0 | Curl_share_unlock(data, CURL_LOCK_DATA_COOKIE); |
351 | 0 | } |
352 | 0 | } |
353 | | |
354 | | /* |
355 | | * strstore |
356 | | * |
357 | | * A thin wrapper around strdup which ensures that any memory allocated at |
358 | | * *str will be freed before the string allocated by strdup is stored there. |
359 | | * The intended usecase is repeated assignments to the same variable during |
360 | | * parsing in a last-wins scenario. The caller is responsible for checking |
361 | | * for OOM errors. |
362 | | */ |
363 | | static void strstore(char **str, const char *newstr, size_t len) |
364 | 0 | { |
365 | 0 | DEBUGASSERT(newstr); |
366 | 0 | DEBUGASSERT(str); |
367 | 0 | free(*str); |
368 | 0 | *str = Curl_memdup0(newstr, len); |
369 | 0 | } |
370 | | |
371 | | /* |
372 | | * remove_expired |
373 | | * |
374 | | * Remove expired cookies from the hash by inspecting the expires timestamp on |
375 | | * each cookie in the hash, freeing and deleting any where the timestamp is in |
376 | | * the past. If the cookiejar has recorded the next timestamp at which one or |
377 | | * more cookies expire, then processing will exit early in case this timestamp |
378 | | * is in the future. |
379 | | */ |
380 | | static void remove_expired(struct CookieInfo *cookies) |
381 | 0 | { |
382 | 0 | struct Cookie *co, *nx; |
383 | 0 | curl_off_t now = (curl_off_t)time(NULL); |
384 | 0 | unsigned int i; |
385 | | |
386 | | /* |
387 | | * If the earliest expiration timestamp in the jar is in the future we can |
388 | | * skip scanning the whole jar and instead exit early as there won't be any |
389 | | * cookies to evict. If we need to evict however, reset the next_expiration |
390 | | * counter in order to track the next one. In case the recorded first |
391 | | * expiration is the max offset, then perform the safe fallback of checking |
392 | | * all cookies. |
393 | | */ |
394 | 0 | if(now < cookies->next_expiration && |
395 | 0 | cookies->next_expiration != CURL_OFF_T_MAX) |
396 | 0 | return; |
397 | 0 | else |
398 | 0 | cookies->next_expiration = CURL_OFF_T_MAX; |
399 | | |
400 | 0 | for(i = 0; i < COOKIE_HASH_SIZE; i++) { |
401 | 0 | struct Cookie *pv = NULL; |
402 | 0 | co = cookies->cookies[i]; |
403 | 0 | while(co) { |
404 | 0 | nx = co->next; |
405 | 0 | if(co->expires && co->expires < now) { |
406 | 0 | if(!pv) { |
407 | 0 | cookies->cookies[i] = co->next; |
408 | 0 | } |
409 | 0 | else { |
410 | 0 | pv->next = co->next; |
411 | 0 | } |
412 | 0 | cookies->numcookies--; |
413 | 0 | freecookie(co); |
414 | 0 | } |
415 | 0 | else { |
416 | | /* |
417 | | * If this cookie has an expiration timestamp earlier than what we've |
418 | | * seen so far then record it for the next round of expirations. |
419 | | */ |
420 | 0 | if(co->expires && co->expires < cookies->next_expiration) |
421 | 0 | cookies->next_expiration = co->expires; |
422 | 0 | pv = co; |
423 | 0 | } |
424 | 0 | co = nx; |
425 | 0 | } |
426 | 0 | } |
427 | 0 | } |
428 | | |
429 | | /* Make sure domain contains a dot or is localhost. */ |
430 | | static bool bad_domain(const char *domain, size_t len) |
431 | 0 | { |
432 | 0 | if((len == 9) && strncasecompare(domain, "localhost", 9)) |
433 | 0 | return FALSE; |
434 | 0 | else { |
435 | | /* there must be a dot present, but that dot must not be a trailing dot */ |
436 | 0 | char *dot = memchr(domain, '.', len); |
437 | 0 | if(dot) { |
438 | 0 | size_t i = dot - domain; |
439 | 0 | if((len - i) > 1) |
440 | | /* the dot is not the last byte */ |
441 | 0 | return FALSE; |
442 | 0 | } |
443 | 0 | } |
444 | 0 | return TRUE; |
445 | 0 | } |
446 | | |
447 | | /* |
448 | | RFC 6265 section 4.1.1 says a server should accept this range: |
449 | | |
450 | | cookie-octet = %x21 / %x23-2B / %x2D-3A / %x3C-5B / %x5D-7E |
451 | | |
452 | | But Firefox and Chrome as of June 2022 accept space, comma and double-quotes |
453 | | fine. The prime reason for filtering out control bytes is that some HTTP |
454 | | servers return 400 for requests that contain such. |
455 | | */ |
456 | | static int invalid_octets(const char *p) |
457 | 0 | { |
458 | | /* Reject all bytes \x01 - \x1f (*except* \x09, TAB) + \x7f */ |
459 | 0 | static const char badoctets[] = { |
460 | 0 | "\x01\x02\x03\x04\x05\x06\x07\x08\x0a" |
461 | 0 | "\x0b\x0c\x0d\x0e\x0f\x10\x11\x12\x13\x14" |
462 | 0 | "\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f\x7f" |
463 | 0 | }; |
464 | 0 | size_t len; |
465 | | /* scan for all the octets that are *not* in cookie-octet */ |
466 | 0 | len = strcspn(p, badoctets); |
467 | 0 | return (p[len] != '\0'); |
468 | 0 | } |
469 | | |
470 | | /* |
471 | | * Curl_cookie_add |
472 | | * |
473 | | * Add a single cookie line to the cookie keeping object. Be aware that |
474 | | * sometimes we get an IP-only host name, and that might also be a numerical |
475 | | * IPv6 address. |
476 | | * |
477 | | * Returns NULL on out of memory or invalid cookie. This is suboptimal, |
478 | | * as they should be treated separately. |
479 | | */ |
480 | | struct Cookie * |
481 | | Curl_cookie_add(struct Curl_easy *data, |
482 | | struct CookieInfo *c, |
483 | | bool httpheader, /* TRUE if HTTP header-style line */ |
484 | | bool noexpire, /* if TRUE, skip remove_expired() */ |
485 | | const char *lineptr, /* first character of the line */ |
486 | | const char *domain, /* default domain */ |
487 | | const char *path, /* full path used when this cookie is set, |
488 | | used to get default path for the cookie |
489 | | unless set */ |
490 | | bool secure) /* TRUE if connection is over secure origin */ |
491 | 0 | { |
492 | 0 | struct Cookie *clist; |
493 | 0 | struct Cookie *co; |
494 | 0 | struct Cookie *lastc = NULL; |
495 | 0 | struct Cookie *replace_co = NULL; |
496 | 0 | struct Cookie *replace_clist = NULL; |
497 | 0 | time_t now = time(NULL); |
498 | 0 | bool replace_old = FALSE; |
499 | 0 | bool badcookie = FALSE; /* cookies are good by default. mmmmm yummy */ |
500 | 0 | size_t myhash; |
501 | |
|
502 | 0 | DEBUGASSERT(data); |
503 | 0 | DEBUGASSERT(MAX_SET_COOKIE_AMOUNT <= 255); /* counter is an unsigned char */ |
504 | 0 | if(data->req.setcookies >= MAX_SET_COOKIE_AMOUNT) |
505 | 0 | return NULL; |
506 | | |
507 | | /* First, alloc and init a new struct for it */ |
508 | 0 | co = calloc(1, sizeof(struct Cookie)); |
509 | 0 | if(!co) |
510 | 0 | return NULL; /* bail out if we're this low on memory */ |
511 | | |
512 | 0 | if(httpheader) { |
513 | | /* This line was read off an HTTP-header */ |
514 | 0 | const char *ptr; |
515 | |
|
516 | 0 | size_t linelength = strlen(lineptr); |
517 | 0 | if(linelength > MAX_COOKIE_LINE) { |
518 | | /* discard overly long lines at once */ |
519 | 0 | free(co); |
520 | 0 | return NULL; |
521 | 0 | } |
522 | | |
523 | 0 | ptr = lineptr; |
524 | 0 | do { |
525 | 0 | size_t vlen; |
526 | 0 | size_t nlen; |
527 | |
|
528 | 0 | while(*ptr && ISBLANK(*ptr)) |
529 | 0 | ptr++; |
530 | | |
531 | | /* we have a <name>=<value> pair or a stand-alone word here */ |
532 | 0 | nlen = strcspn(ptr, ";\t\r\n="); |
533 | 0 | if(nlen) { |
534 | 0 | bool done = FALSE; |
535 | 0 | bool sep = FALSE; |
536 | 0 | const char *namep = ptr; |
537 | 0 | const char *valuep; |
538 | |
|
539 | 0 | ptr += nlen; |
540 | | |
541 | | /* trim trailing spaces and tabs after name */ |
542 | 0 | while(nlen && ISBLANK(namep[nlen - 1])) |
543 | 0 | nlen--; |
544 | |
|
545 | 0 | if(*ptr == '=') { |
546 | 0 | vlen = strcspn(++ptr, ";\r\n"); |
547 | 0 | valuep = ptr; |
548 | 0 | sep = TRUE; |
549 | 0 | ptr = &valuep[vlen]; |
550 | | |
551 | | /* Strip off trailing whitespace from the value */ |
552 | 0 | while(vlen && ISBLANK(valuep[vlen-1])) |
553 | 0 | vlen--; |
554 | | |
555 | | /* Skip leading whitespace from the value */ |
556 | 0 | while(vlen && ISBLANK(*valuep)) { |
557 | 0 | valuep++; |
558 | 0 | vlen--; |
559 | 0 | } |
560 | | |
561 | | /* Reject cookies with a TAB inside the value */ |
562 | 0 | if(memchr(valuep, '\t', vlen)) { |
563 | 0 | freecookie(co); |
564 | 0 | infof(data, "cookie contains TAB, dropping"); |
565 | 0 | return NULL; |
566 | 0 | } |
567 | 0 | } |
568 | 0 | else { |
569 | 0 | valuep = NULL; |
570 | 0 | vlen = 0; |
571 | 0 | } |
572 | | |
573 | | /* |
574 | | * Check for too long individual name or contents, or too long |
575 | | * combination of name + contents. Chrome and Firefox support 4095 or |
576 | | * 4096 bytes combo |
577 | | */ |
578 | 0 | if(nlen >= (MAX_NAME-1) || vlen >= (MAX_NAME-1) || |
579 | 0 | ((nlen + vlen) > MAX_NAME)) { |
580 | 0 | freecookie(co); |
581 | 0 | infof(data, "oversized cookie dropped, name/val %zu + %zu bytes", |
582 | 0 | nlen, vlen); |
583 | 0 | return NULL; |
584 | 0 | } |
585 | | |
586 | | /* |
587 | | * Check if we have a reserved prefix set before anything else, as we |
588 | | * otherwise have to test for the prefix in both the cookie name and |
589 | | * "the rest". Prefixes must start with '__' and end with a '-', so |
590 | | * only test for names where that can possibly be true. |
591 | | */ |
592 | 0 | if(nlen >= 7 && namep[0] == '_' && namep[1] == '_') { |
593 | 0 | if(strncasecompare("__Secure-", namep, 9)) |
594 | 0 | co->prefix |= COOKIE_PREFIX__SECURE; |
595 | 0 | else if(strncasecompare("__Host-", namep, 7)) |
596 | 0 | co->prefix |= COOKIE_PREFIX__HOST; |
597 | 0 | } |
598 | | |
599 | | /* |
600 | | * Use strstore() below to properly deal with received cookie |
601 | | * headers that have the same string property set more than once, |
602 | | * and then we use the last one. |
603 | | */ |
604 | |
|
605 | 0 | if(!co->name) { |
606 | | /* The very first name/value pair is the actual cookie name */ |
607 | 0 | if(!sep) { |
608 | | /* Bad name/value pair. */ |
609 | 0 | badcookie = TRUE; |
610 | 0 | break; |
611 | 0 | } |
612 | 0 | strstore(&co->name, namep, nlen); |
613 | 0 | strstore(&co->value, valuep, vlen); |
614 | 0 | done = TRUE; |
615 | 0 | if(!co->name || !co->value) { |
616 | 0 | badcookie = TRUE; |
617 | 0 | break; |
618 | 0 | } |
619 | 0 | if(invalid_octets(co->value) || invalid_octets(co->name)) { |
620 | 0 | infof(data, "invalid octets in name/value, cookie dropped"); |
621 | 0 | badcookie = TRUE; |
622 | 0 | break; |
623 | 0 | } |
624 | 0 | } |
625 | 0 | else if(!vlen) { |
626 | | /* |
627 | | * this was a "<name>=" with no content, and we must allow |
628 | | * 'secure' and 'httponly' specified this weirdly |
629 | | */ |
630 | 0 | done = TRUE; |
631 | | /* |
632 | | * secure cookies are only allowed to be set when the connection is |
633 | | * using a secure protocol, or when the cookie is being set by |
634 | | * reading from file |
635 | | */ |
636 | 0 | if((nlen == 6) && strncasecompare("secure", namep, 6)) { |
637 | 0 | if(secure || !c->running) { |
638 | 0 | co->secure = TRUE; |
639 | 0 | } |
640 | 0 | else { |
641 | 0 | badcookie = TRUE; |
642 | 0 | break; |
643 | 0 | } |
644 | 0 | } |
645 | 0 | else if((nlen == 8) && strncasecompare("httponly", namep, 8)) |
646 | 0 | co->httponly = TRUE; |
647 | 0 | else if(sep) |
648 | | /* there was a '=' so we're not done parsing this field */ |
649 | 0 | done = FALSE; |
650 | 0 | } |
651 | 0 | if(done) |
652 | 0 | ; |
653 | 0 | else if((nlen == 4) && strncasecompare("path", namep, 4)) { |
654 | 0 | strstore(&co->path, valuep, vlen); |
655 | 0 | if(!co->path) { |
656 | 0 | badcookie = TRUE; /* out of memory bad */ |
657 | 0 | break; |
658 | 0 | } |
659 | 0 | free(co->spath); /* if this is set again */ |
660 | 0 | co->spath = sanitize_cookie_path(co->path); |
661 | 0 | if(!co->spath) { |
662 | 0 | badcookie = TRUE; /* out of memory bad */ |
663 | 0 | break; |
664 | 0 | } |
665 | 0 | } |
666 | 0 | else if((nlen == 6) && |
667 | 0 | strncasecompare("domain", namep, 6) && vlen) { |
668 | 0 | bool is_ip; |
669 | | |
670 | | /* |
671 | | * Now, we make sure that our host is within the given domain, or |
672 | | * the given domain is not valid and thus cannot be set. |
673 | | */ |
674 | |
|
675 | 0 | if('.' == valuep[0]) { |
676 | 0 | valuep++; /* ignore preceding dot */ |
677 | 0 | vlen--; |
678 | 0 | } |
679 | |
|
680 | 0 | #ifndef USE_LIBPSL |
681 | | /* |
682 | | * Without PSL we don't know when the incoming cookie is set on a |
683 | | * TLD or otherwise "protected" suffix. To reduce risk, we require a |
684 | | * dot OR the exact host name being "localhost". |
685 | | */ |
686 | 0 | if(bad_domain(valuep, vlen)) |
687 | 0 | domain = ":"; |
688 | 0 | #endif |
689 | |
|
690 | 0 | is_ip = Curl_host_is_ipnum(domain ? domain : valuep); |
691 | |
|
692 | 0 | if(!domain |
693 | 0 | || (is_ip && !strncmp(valuep, domain, vlen) && |
694 | 0 | (vlen == strlen(domain))) |
695 | 0 | || (!is_ip && cookie_tailmatch(valuep, vlen, domain))) { |
696 | 0 | strstore(&co->domain, valuep, vlen); |
697 | 0 | if(!co->domain) { |
698 | 0 | badcookie = TRUE; |
699 | 0 | break; |
700 | 0 | } |
701 | 0 | if(!is_ip) |
702 | 0 | co->tailmatch = TRUE; /* we always do that if the domain name was |
703 | | given */ |
704 | 0 | } |
705 | 0 | else { |
706 | | /* |
707 | | * We did not get a tailmatch and then the attempted set domain is |
708 | | * not a domain to which the current host belongs. Mark as bad. |
709 | | */ |
710 | 0 | badcookie = TRUE; |
711 | 0 | infof(data, "skipped cookie with bad tailmatch domain: %s", |
712 | 0 | valuep); |
713 | 0 | } |
714 | 0 | } |
715 | 0 | else if((nlen == 7) && strncasecompare("version", namep, 7)) { |
716 | | /* just ignore */ |
717 | 0 | } |
718 | 0 | else if((nlen == 7) && strncasecompare("max-age", namep, 7)) { |
719 | | /* |
720 | | * Defined in RFC2109: |
721 | | * |
722 | | * Optional. The Max-Age attribute defines the lifetime of the |
723 | | * cookie, in seconds. The delta-seconds value is a decimal non- |
724 | | * negative integer. After delta-seconds seconds elapse, the |
725 | | * client should discard the cookie. A value of zero means the |
726 | | * cookie should be discarded immediately. |
727 | | */ |
728 | 0 | CURLofft offt; |
729 | 0 | const char *maxage = valuep; |
730 | 0 | offt = curlx_strtoofft((*maxage == '\"')? |
731 | 0 | &maxage[1]:&maxage[0], NULL, 10, |
732 | 0 | &co->expires); |
733 | 0 | switch(offt) { |
734 | 0 | case CURL_OFFT_FLOW: |
735 | | /* overflow, used max value */ |
736 | 0 | co->expires = CURL_OFF_T_MAX; |
737 | 0 | break; |
738 | 0 | case CURL_OFFT_INVAL: |
739 | | /* negative or otherwise bad, expire */ |
740 | 0 | co->expires = 1; |
741 | 0 | break; |
742 | 0 | case CURL_OFFT_OK: |
743 | 0 | if(!co->expires) |
744 | | /* already expired */ |
745 | 0 | co->expires = 1; |
746 | 0 | else if(CURL_OFF_T_MAX - now < co->expires) |
747 | | /* would overflow */ |
748 | 0 | co->expires = CURL_OFF_T_MAX; |
749 | 0 | else |
750 | 0 | co->expires += now; |
751 | 0 | break; |
752 | 0 | } |
753 | 0 | } |
754 | 0 | else if((nlen == 7) && strncasecompare("expires", namep, 7)) { |
755 | 0 | char date[128]; |
756 | 0 | if(!co->expires && (vlen < sizeof(date))) { |
757 | | /* copy the date so that it can be null terminated */ |
758 | 0 | memcpy(date, valuep, vlen); |
759 | 0 | date[vlen] = 0; |
760 | | /* |
761 | | * Let max-age have priority. |
762 | | * |
763 | | * If the date cannot get parsed for whatever reason, the cookie |
764 | | * will be treated as a session cookie |
765 | | */ |
766 | 0 | co->expires = Curl_getdate_capped(date); |
767 | | |
768 | | /* |
769 | | * Session cookies have expires set to 0 so if we get that back |
770 | | * from the date parser let's add a second to make it a |
771 | | * non-session cookie |
772 | | */ |
773 | 0 | if(co->expires == 0) |
774 | 0 | co->expires = 1; |
775 | 0 | else if(co->expires < 0) |
776 | 0 | co->expires = 0; |
777 | 0 | } |
778 | 0 | } |
779 | | |
780 | | /* |
781 | | * Else, this is the second (or more) name we don't know about! |
782 | | */ |
783 | 0 | } |
784 | 0 | else { |
785 | | /* this is an "illegal" <what>=<this> pair */ |
786 | 0 | } |
787 | | |
788 | 0 | while(*ptr && ISBLANK(*ptr)) |
789 | 0 | ptr++; |
790 | 0 | if(*ptr == ';') |
791 | 0 | ptr++; |
792 | 0 | else |
793 | 0 | break; |
794 | 0 | } while(1); |
795 | | |
796 | 0 | if(!badcookie && !co->domain) { |
797 | 0 | if(domain) { |
798 | | /* no domain was given in the header line, set the default */ |
799 | 0 | co->domain = strdup(domain); |
800 | 0 | if(!co->domain) |
801 | 0 | badcookie = TRUE; |
802 | 0 | } |
803 | 0 | } |
804 | |
|
805 | 0 | if(!badcookie && !co->path && path) { |
806 | | /* |
807 | | * No path was given in the header line, set the default. Note that the |
808 | | * passed-in path to this function MAY have a '?' and following part that |
809 | | * MUST NOT be stored as part of the path. |
810 | | */ |
811 | 0 | char *queryp = strchr(path, '?'); |
812 | | |
813 | | /* |
814 | | * queryp is where the interesting part of the path ends, so now we |
815 | | * want to the find the last |
816 | | */ |
817 | 0 | char *endslash; |
818 | 0 | if(!queryp) |
819 | 0 | endslash = strrchr(path, '/'); |
820 | 0 | else |
821 | 0 | endslash = memrchr(path, '/', (queryp - path)); |
822 | 0 | if(endslash) { |
823 | 0 | size_t pathlen = (endslash-path + 1); /* include end slash */ |
824 | 0 | co->path = Curl_memdup0(path, pathlen); |
825 | 0 | if(co->path) { |
826 | 0 | co->spath = sanitize_cookie_path(co->path); |
827 | 0 | if(!co->spath) |
828 | 0 | badcookie = TRUE; /* out of memory bad */ |
829 | 0 | } |
830 | 0 | else |
831 | 0 | badcookie = TRUE; |
832 | 0 | } |
833 | 0 | } |
834 | | |
835 | | /* |
836 | | * If we didn't get a cookie name, or a bad one, the this is an illegal |
837 | | * line so bail out. |
838 | | */ |
839 | 0 | if(badcookie || !co->name) { |
840 | 0 | freecookie(co); |
841 | 0 | return NULL; |
842 | 0 | } |
843 | 0 | data->req.setcookies++; |
844 | 0 | } |
845 | 0 | else { |
846 | | /* |
847 | | * This line is NOT an HTTP header style line, we do offer support for |
848 | | * reading the odd netscape cookies-file format here |
849 | | */ |
850 | 0 | char *ptr; |
851 | 0 | char *firstptr; |
852 | 0 | char *tok_buf = NULL; |
853 | 0 | int fields; |
854 | | |
855 | | /* |
856 | | * IE introduced HTTP-only cookies to prevent XSS attacks. Cookies marked |
857 | | * with httpOnly after the domain name are not accessible from javascripts, |
858 | | * but since curl does not operate at javascript level, we include them |
859 | | * anyway. In Firefox's cookie files, these lines are preceded with |
860 | | * #HttpOnly_ and then everything is as usual, so we skip 10 characters of |
861 | | * the line.. |
862 | | */ |
863 | 0 | if(strncmp(lineptr, "#HttpOnly_", 10) == 0) { |
864 | 0 | lineptr += 10; |
865 | 0 | co->httponly = TRUE; |
866 | 0 | } |
867 | |
|
868 | 0 | if(lineptr[0]=='#') { |
869 | | /* don't even try the comments */ |
870 | 0 | free(co); |
871 | 0 | return NULL; |
872 | 0 | } |
873 | | /* strip off the possible end-of-line characters */ |
874 | 0 | ptr = strchr(lineptr, '\r'); |
875 | 0 | if(ptr) |
876 | 0 | *ptr = 0; /* clear it */ |
877 | 0 | ptr = strchr(lineptr, '\n'); |
878 | 0 | if(ptr) |
879 | 0 | *ptr = 0; /* clear it */ |
880 | |
|
881 | 0 | firstptr = strtok_r((char *)lineptr, "\t", &tok_buf); /* tokenize on TAB */ |
882 | | |
883 | | /* |
884 | | * Now loop through the fields and init the struct we already have |
885 | | * allocated |
886 | | */ |
887 | 0 | for(ptr = firstptr, fields = 0; ptr && !badcookie; |
888 | 0 | ptr = strtok_r(NULL, "\t", &tok_buf), fields++) { |
889 | 0 | switch(fields) { |
890 | 0 | case 0: |
891 | 0 | if(ptr[0]=='.') /* skip preceding dots */ |
892 | 0 | ptr++; |
893 | 0 | co->domain = strdup(ptr); |
894 | 0 | if(!co->domain) |
895 | 0 | badcookie = TRUE; |
896 | 0 | break; |
897 | 0 | case 1: |
898 | | /* |
899 | | * flag: A TRUE/FALSE value indicating if all machines within a given |
900 | | * domain can access the variable. Set TRUE when the cookie says |
901 | | * .domain.com and to false when the domain is complete www.domain.com |
902 | | */ |
903 | 0 | co->tailmatch = strcasecompare(ptr, "TRUE")?TRUE:FALSE; |
904 | 0 | break; |
905 | 0 | case 2: |
906 | | /* The file format allows the path field to remain not filled in */ |
907 | 0 | if(strcmp("TRUE", ptr) && strcmp("FALSE", ptr)) { |
908 | | /* only if the path doesn't look like a boolean option! */ |
909 | 0 | co->path = strdup(ptr); |
910 | 0 | if(!co->path) |
911 | 0 | badcookie = TRUE; |
912 | 0 | else { |
913 | 0 | co->spath = sanitize_cookie_path(co->path); |
914 | 0 | if(!co->spath) { |
915 | 0 | badcookie = TRUE; /* out of memory bad */ |
916 | 0 | } |
917 | 0 | } |
918 | 0 | break; |
919 | 0 | } |
920 | | /* this doesn't look like a path, make one up! */ |
921 | 0 | co->path = strdup("/"); |
922 | 0 | if(!co->path) |
923 | 0 | badcookie = TRUE; |
924 | 0 | co->spath = strdup("/"); |
925 | 0 | if(!co->spath) |
926 | 0 | badcookie = TRUE; |
927 | 0 | fields++; /* add a field and fall down to secure */ |
928 | 0 | FALLTHROUGH(); |
929 | 0 | case 3: |
930 | 0 | co->secure = FALSE; |
931 | 0 | if(strcasecompare(ptr, "TRUE")) { |
932 | 0 | if(secure || c->running) |
933 | 0 | co->secure = TRUE; |
934 | 0 | else |
935 | 0 | badcookie = TRUE; |
936 | 0 | } |
937 | 0 | break; |
938 | 0 | case 4: |
939 | 0 | if(curlx_strtoofft(ptr, NULL, 10, &co->expires)) |
940 | 0 | badcookie = TRUE; |
941 | 0 | break; |
942 | 0 | case 5: |
943 | 0 | co->name = strdup(ptr); |
944 | 0 | if(!co->name) |
945 | 0 | badcookie = TRUE; |
946 | 0 | else { |
947 | | /* For Netscape file format cookies we check prefix on the name */ |
948 | 0 | if(strncasecompare("__Secure-", co->name, 9)) |
949 | 0 | co->prefix |= COOKIE_PREFIX__SECURE; |
950 | 0 | else if(strncasecompare("__Host-", co->name, 7)) |
951 | 0 | co->prefix |= COOKIE_PREFIX__HOST; |
952 | 0 | } |
953 | 0 | break; |
954 | 0 | case 6: |
955 | 0 | co->value = strdup(ptr); |
956 | 0 | if(!co->value) |
957 | 0 | badcookie = TRUE; |
958 | 0 | break; |
959 | 0 | } |
960 | 0 | } |
961 | 0 | if(6 == fields) { |
962 | | /* we got a cookie with blank contents, fix it */ |
963 | 0 | co->value = strdup(""); |
964 | 0 | if(!co->value) |
965 | 0 | badcookie = TRUE; |
966 | 0 | else |
967 | 0 | fields++; |
968 | 0 | } |
969 | |
|
970 | 0 | if(!badcookie && (7 != fields)) |
971 | | /* we did not find the sufficient number of fields */ |
972 | 0 | badcookie = TRUE; |
973 | |
|
974 | 0 | if(badcookie) { |
975 | 0 | freecookie(co); |
976 | 0 | return NULL; |
977 | 0 | } |
978 | |
|
979 | 0 | } |
980 | | |
981 | 0 | if(co->prefix & COOKIE_PREFIX__SECURE) { |
982 | | /* The __Secure- prefix only requires that the cookie be set secure */ |
983 | 0 | if(!co->secure) { |
984 | 0 | freecookie(co); |
985 | 0 | return NULL; |
986 | 0 | } |
987 | 0 | } |
988 | 0 | if(co->prefix & COOKIE_PREFIX__HOST) { |
989 | | /* |
990 | | * The __Host- prefix requires the cookie to be secure, have a "/" path |
991 | | * and not have a domain set. |
992 | | */ |
993 | 0 | if(co->secure && co->path && strcmp(co->path, "/") == 0 && !co->tailmatch) |
994 | 0 | ; |
995 | 0 | else { |
996 | 0 | freecookie(co); |
997 | 0 | return NULL; |
998 | 0 | } |
999 | 0 | } |
1000 | | |
1001 | 0 | if(!c->running && /* read from a file */ |
1002 | 0 | c->newsession && /* clean session cookies */ |
1003 | 0 | !co->expires) { /* this is a session cookie since it doesn't expire! */ |
1004 | 0 | freecookie(co); |
1005 | 0 | return NULL; |
1006 | 0 | } |
1007 | | |
1008 | 0 | co->livecookie = c->running; |
1009 | 0 | co->creationtime = ++c->lastct; |
1010 | | |
1011 | | /* |
1012 | | * Now we have parsed the incoming line, we must now check if this supersedes |
1013 | | * an already existing cookie, which it may if the previous have the same |
1014 | | * domain and path as this. |
1015 | | */ |
1016 | | |
1017 | | /* at first, remove expired cookies */ |
1018 | 0 | if(!noexpire) |
1019 | 0 | remove_expired(c); |
1020 | |
|
1021 | | #ifdef USE_LIBPSL |
1022 | | /* |
1023 | | * Check if the domain is a Public Suffix and if yes, ignore the cookie. We |
1024 | | * must also check that the data handle isn't NULL since the psl code will |
1025 | | * dereference it. |
1026 | | */ |
1027 | | if(data && (domain && co->domain && !Curl_host_is_ipnum(co->domain))) { |
1028 | | bool acceptable = FALSE; |
1029 | | char lcase[256]; |
1030 | | char lcookie[256]; |
1031 | | size_t dlen = strlen(domain); |
1032 | | size_t clen = strlen(co->domain); |
1033 | | if((dlen < sizeof(lcase)) && (clen < sizeof(lcookie))) { |
1034 | | const psl_ctx_t *psl = Curl_psl_use(data); |
1035 | | if(psl) { |
1036 | | /* the PSL check requires lowercase domain name and pattern */ |
1037 | | Curl_strntolower(lcase, domain, dlen + 1); |
1038 | | Curl_strntolower(lcookie, co->domain, clen + 1); |
1039 | | acceptable = psl_is_cookie_domain_acceptable(psl, lcase, lcookie); |
1040 | | Curl_psl_release(data); |
1041 | | } |
1042 | | else |
1043 | | acceptable = !bad_domain(domain, strlen(domain)); |
1044 | | } |
1045 | | |
1046 | | if(!acceptable) { |
1047 | | infof(data, "cookie '%s' dropped, domain '%s' must not " |
1048 | | "set cookies for '%s'", co->name, domain, co->domain); |
1049 | | freecookie(co); |
1050 | | return NULL; |
1051 | | } |
1052 | | } |
1053 | | #endif |
1054 | | |
1055 | | /* A non-secure cookie may not overlay an existing secure cookie. */ |
1056 | 0 | myhash = cookiehash(co->domain); |
1057 | 0 | clist = c->cookies[myhash]; |
1058 | 0 | while(clist) { |
1059 | 0 | if(strcasecompare(clist->name, co->name)) { |
1060 | | /* the names are identical */ |
1061 | 0 | bool matching_domains = FALSE; |
1062 | |
|
1063 | 0 | if(clist->domain && co->domain) { |
1064 | 0 | if(strcasecompare(clist->domain, co->domain)) |
1065 | | /* The domains are identical */ |
1066 | 0 | matching_domains = TRUE; |
1067 | 0 | } |
1068 | 0 | else if(!clist->domain && !co->domain) |
1069 | 0 | matching_domains = TRUE; |
1070 | |
|
1071 | 0 | if(matching_domains && /* the domains were identical */ |
1072 | 0 | clist->spath && co->spath && /* both have paths */ |
1073 | 0 | clist->secure && !co->secure && !secure) { |
1074 | 0 | size_t cllen; |
1075 | 0 | const char *sep; |
1076 | | |
1077 | | /* |
1078 | | * A non-secure cookie may not overlay an existing secure cookie. |
1079 | | * For an existing cookie "a" with path "/login", refuse a new |
1080 | | * cookie "a" with for example path "/login/en", while the path |
1081 | | * "/loginhelper" is ok. |
1082 | | */ |
1083 | |
|
1084 | 0 | sep = strchr(clist->spath + 1, '/'); |
1085 | |
|
1086 | 0 | if(sep) |
1087 | 0 | cllen = sep - clist->spath; |
1088 | 0 | else |
1089 | 0 | cllen = strlen(clist->spath); |
1090 | |
|
1091 | 0 | if(strncasecompare(clist->spath, co->spath, cllen)) { |
1092 | 0 | infof(data, "cookie '%s' for domain '%s' dropped, would " |
1093 | 0 | "overlay an existing cookie", co->name, co->domain); |
1094 | 0 | freecookie(co); |
1095 | 0 | return NULL; |
1096 | 0 | } |
1097 | 0 | } |
1098 | 0 | } |
1099 | | |
1100 | 0 | if(!replace_co && strcasecompare(clist->name, co->name)) { |
1101 | | /* the names are identical */ |
1102 | |
|
1103 | 0 | if(clist->domain && co->domain) { |
1104 | 0 | if(strcasecompare(clist->domain, co->domain) && |
1105 | 0 | (clist->tailmatch == co->tailmatch)) |
1106 | | /* The domains are identical */ |
1107 | 0 | replace_old = TRUE; |
1108 | 0 | } |
1109 | 0 | else if(!clist->domain && !co->domain) |
1110 | 0 | replace_old = TRUE; |
1111 | |
|
1112 | 0 | if(replace_old) { |
1113 | | /* the domains were identical */ |
1114 | |
|
1115 | 0 | if(clist->spath && co->spath && |
1116 | 0 | !strcasecompare(clist->spath, co->spath)) |
1117 | 0 | replace_old = FALSE; |
1118 | 0 | else if(!clist->spath != !co->spath) |
1119 | 0 | replace_old = FALSE; |
1120 | 0 | } |
1121 | |
|
1122 | 0 | if(replace_old && !co->livecookie && clist->livecookie) { |
1123 | | /* |
1124 | | * Both cookies matched fine, except that the already present cookie is |
1125 | | * "live", which means it was set from a header, while the new one was |
1126 | | * read from a file and thus isn't "live". "live" cookies are preferred |
1127 | | * so the new cookie is freed. |
1128 | | */ |
1129 | 0 | freecookie(co); |
1130 | 0 | return NULL; |
1131 | 0 | } |
1132 | 0 | if(replace_old) { |
1133 | 0 | replace_co = co; |
1134 | 0 | replace_clist = clist; |
1135 | 0 | } |
1136 | 0 | } |
1137 | 0 | lastc = clist; |
1138 | 0 | clist = clist->next; |
1139 | 0 | } |
1140 | 0 | if(replace_co) { |
1141 | 0 | co = replace_co; |
1142 | 0 | clist = replace_clist; |
1143 | 0 | co->next = clist->next; /* get the next-pointer first */ |
1144 | | |
1145 | | /* when replacing, creationtime is kept from old */ |
1146 | 0 | co->creationtime = clist->creationtime; |
1147 | | |
1148 | | /* then free all the old pointers */ |
1149 | 0 | free(clist->name); |
1150 | 0 | free(clist->value); |
1151 | 0 | free(clist->domain); |
1152 | 0 | free(clist->path); |
1153 | 0 | free(clist->spath); |
1154 | |
|
1155 | 0 | *clist = *co; /* then store all the new data */ |
1156 | |
|
1157 | 0 | free(co); /* free the newly allocated memory */ |
1158 | 0 | co = clist; |
1159 | 0 | } |
1160 | |
|
1161 | 0 | if(c->running) |
1162 | | /* Only show this when NOT reading the cookies from a file */ |
1163 | 0 | infof(data, "%s cookie %s=\"%s\" for domain %s, path %s, " |
1164 | 0 | "expire %" CURL_FORMAT_CURL_OFF_T, |
1165 | 0 | replace_old?"Replaced":"Added", co->name, co->value, |
1166 | 0 | co->domain, co->path, co->expires); |
1167 | |
|
1168 | 0 | if(!replace_old) { |
1169 | | /* then make the last item point on this new one */ |
1170 | 0 | if(lastc) |
1171 | 0 | lastc->next = co; |
1172 | 0 | else |
1173 | 0 | c->cookies[myhash] = co; |
1174 | 0 | c->numcookies++; /* one more cookie in the jar */ |
1175 | 0 | } |
1176 | | |
1177 | | /* |
1178 | | * Now that we've added a new cookie to the jar, update the expiration |
1179 | | * tracker in case it is the next one to expire. |
1180 | | */ |
1181 | 0 | if(co->expires && (co->expires < c->next_expiration)) |
1182 | 0 | c->next_expiration = co->expires; |
1183 | |
|
1184 | 0 | return co; |
1185 | 0 | } |
1186 | | |
1187 | | |
1188 | | /* |
1189 | | * Curl_cookie_init() |
1190 | | * |
1191 | | * Inits a cookie struct to read data from a local file. This is always |
1192 | | * called before any cookies are set. File may be NULL in which case only the |
1193 | | * struct is initialized. Is file is "-" then STDIN is read. |
1194 | | * |
1195 | | * If 'newsession' is TRUE, discard all "session cookies" on read from file. |
1196 | | * |
1197 | | * Note that 'data' might be called as NULL pointer. If data is NULL, 'file' |
1198 | | * will be ignored. |
1199 | | * |
1200 | | * Returns NULL on out of memory. Invalid cookies are ignored. |
1201 | | */ |
1202 | | struct CookieInfo *Curl_cookie_init(struct Curl_easy *data, |
1203 | | const char *file, |
1204 | | struct CookieInfo *inc, |
1205 | | bool newsession) |
1206 | 0 | { |
1207 | 0 | struct CookieInfo *c; |
1208 | 0 | FILE *handle = NULL; |
1209 | |
|
1210 | 0 | if(!inc) { |
1211 | | /* we didn't get a struct, create one */ |
1212 | 0 | c = calloc(1, sizeof(struct CookieInfo)); |
1213 | 0 | if(!c) |
1214 | 0 | return NULL; /* failed to get memory */ |
1215 | | /* |
1216 | | * Initialize the next_expiration time to signal that we don't have enough |
1217 | | * information yet. |
1218 | | */ |
1219 | 0 | c->next_expiration = CURL_OFF_T_MAX; |
1220 | 0 | } |
1221 | 0 | else { |
1222 | | /* we got an already existing one, use that */ |
1223 | 0 | c = inc; |
1224 | 0 | } |
1225 | 0 | c->newsession = newsession; /* new session? */ |
1226 | |
|
1227 | 0 | if(data) { |
1228 | 0 | FILE *fp = NULL; |
1229 | 0 | if(file && *file) { |
1230 | 0 | if(!strcmp(file, "-")) |
1231 | 0 | fp = stdin; |
1232 | 0 | else { |
1233 | 0 | fp = fopen(file, "rb"); |
1234 | 0 | if(!fp) |
1235 | 0 | infof(data, "WARNING: failed to open cookie file \"%s\"", file); |
1236 | 0 | else |
1237 | 0 | handle = fp; |
1238 | 0 | } |
1239 | 0 | } |
1240 | |
|
1241 | 0 | c->running = FALSE; /* this is not running, this is init */ |
1242 | 0 | if(fp) { |
1243 | 0 | struct dynbuf buf; |
1244 | 0 | Curl_dyn_init(&buf, MAX_COOKIE_LINE); |
1245 | 0 | while(Curl_get_line(&buf, fp)) { |
1246 | 0 | char *lineptr = Curl_dyn_ptr(&buf); |
1247 | 0 | bool headerline = FALSE; |
1248 | 0 | if(checkprefix("Set-Cookie:", lineptr)) { |
1249 | | /* This is a cookie line, get it! */ |
1250 | 0 | lineptr += 11; |
1251 | 0 | headerline = TRUE; |
1252 | 0 | while(*lineptr && ISBLANK(*lineptr)) |
1253 | 0 | lineptr++; |
1254 | 0 | } |
1255 | |
|
1256 | 0 | Curl_cookie_add(data, c, headerline, TRUE, lineptr, NULL, NULL, TRUE); |
1257 | 0 | } |
1258 | 0 | Curl_dyn_free(&buf); /* free the line buffer */ |
1259 | | |
1260 | | /* |
1261 | | * Remove expired cookies from the hash. We must make sure to run this |
1262 | | * after reading the file, and not on every cookie. |
1263 | | */ |
1264 | 0 | remove_expired(c); |
1265 | |
|
1266 | 0 | if(handle) |
1267 | 0 | fclose(handle); |
1268 | 0 | } |
1269 | 0 | data->state.cookie_engine = TRUE; |
1270 | 0 | } |
1271 | 0 | c->running = TRUE; /* now, we're running */ |
1272 | |
|
1273 | 0 | return c; |
1274 | 0 | } |
1275 | | |
1276 | | /* |
1277 | | * cookie_sort |
1278 | | * |
1279 | | * Helper function to sort cookies such that the longest path gets before the |
1280 | | * shorter path. Path, domain and name lengths are considered in that order, |
1281 | | * with the creationtime as the tiebreaker. The creationtime is guaranteed to |
1282 | | * be unique per cookie, so we know we will get an ordering at that point. |
1283 | | */ |
1284 | | static int cookie_sort(const void *p1, const void *p2) |
1285 | 0 | { |
1286 | 0 | struct Cookie *c1 = *(struct Cookie **)p1; |
1287 | 0 | struct Cookie *c2 = *(struct Cookie **)p2; |
1288 | 0 | size_t l1, l2; |
1289 | | |
1290 | | /* 1 - compare cookie path lengths */ |
1291 | 0 | l1 = c1->path ? strlen(c1->path) : 0; |
1292 | 0 | l2 = c2->path ? strlen(c2->path) : 0; |
1293 | |
|
1294 | 0 | if(l1 != l2) |
1295 | 0 | return (l2 > l1) ? 1 : -1 ; /* avoid size_t <=> int conversions */ |
1296 | | |
1297 | | /* 2 - compare cookie domain lengths */ |
1298 | 0 | l1 = c1->domain ? strlen(c1->domain) : 0; |
1299 | 0 | l2 = c2->domain ? strlen(c2->domain) : 0; |
1300 | |
|
1301 | 0 | if(l1 != l2) |
1302 | 0 | return (l2 > l1) ? 1 : -1 ; /* avoid size_t <=> int conversions */ |
1303 | | |
1304 | | /* 3 - compare cookie name lengths */ |
1305 | 0 | l1 = c1->name ? strlen(c1->name) : 0; |
1306 | 0 | l2 = c2->name ? strlen(c2->name) : 0; |
1307 | |
|
1308 | 0 | if(l1 != l2) |
1309 | 0 | return (l2 > l1) ? 1 : -1; |
1310 | | |
1311 | | /* 4 - compare cookie creation time */ |
1312 | 0 | return (c2->creationtime > c1->creationtime) ? 1 : -1; |
1313 | 0 | } |
1314 | | |
1315 | | /* |
1316 | | * cookie_sort_ct |
1317 | | * |
1318 | | * Helper function to sort cookies according to creation time. |
1319 | | */ |
1320 | | static int cookie_sort_ct(const void *p1, const void *p2) |
1321 | 0 | { |
1322 | 0 | struct Cookie *c1 = *(struct Cookie **)p1; |
1323 | 0 | struct Cookie *c2 = *(struct Cookie **)p2; |
1324 | |
|
1325 | 0 | return (c2->creationtime > c1->creationtime) ? 1 : -1; |
1326 | 0 | } |
1327 | | |
1328 | | #define CLONE(field) \ |
1329 | 0 | do { \ |
1330 | 0 | if(src->field) { \ |
1331 | 0 | d->field = strdup(src->field); \ |
1332 | 0 | if(!d->field) \ |
1333 | 0 | goto fail; \ |
1334 | 0 | } \ |
1335 | 0 | } while(0) |
1336 | | |
1337 | | static struct Cookie *dup_cookie(struct Cookie *src) |
1338 | 0 | { |
1339 | 0 | struct Cookie *d = calloc(1, sizeof(struct Cookie)); |
1340 | 0 | if(d) { |
1341 | 0 | CLONE(domain); |
1342 | 0 | CLONE(path); |
1343 | 0 | CLONE(spath); |
1344 | 0 | CLONE(name); |
1345 | 0 | CLONE(value); |
1346 | 0 | d->expires = src->expires; |
1347 | 0 | d->tailmatch = src->tailmatch; |
1348 | 0 | d->secure = src->secure; |
1349 | 0 | d->livecookie = src->livecookie; |
1350 | 0 | d->httponly = src->httponly; |
1351 | 0 | d->creationtime = src->creationtime; |
1352 | 0 | } |
1353 | 0 | return d; |
1354 | | |
1355 | 0 | fail: |
1356 | 0 | freecookie(d); |
1357 | 0 | return NULL; |
1358 | 0 | } |
1359 | | |
1360 | | /* |
1361 | | * Curl_cookie_getlist |
1362 | | * |
1363 | | * For a given host and path, return a linked list of cookies that the client |
1364 | | * should send to the server if used now. The secure boolean informs the cookie |
1365 | | * if a secure connection is achieved or not. |
1366 | | * |
1367 | | * It shall only return cookies that haven't expired. |
1368 | | */ |
1369 | | struct Cookie *Curl_cookie_getlist(struct Curl_easy *data, |
1370 | | struct CookieInfo *c, |
1371 | | const char *host, const char *path, |
1372 | | bool secure) |
1373 | 0 | { |
1374 | 0 | struct Cookie *newco; |
1375 | 0 | struct Cookie *co; |
1376 | 0 | struct Cookie *mainco = NULL; |
1377 | 0 | size_t matches = 0; |
1378 | 0 | bool is_ip; |
1379 | 0 | const size_t myhash = cookiehash(host); |
1380 | |
|
1381 | 0 | if(!c || !c->cookies[myhash]) |
1382 | 0 | return NULL; /* no cookie struct or no cookies in the struct */ |
1383 | | |
1384 | | /* at first, remove expired cookies */ |
1385 | 0 | remove_expired(c); |
1386 | | |
1387 | | /* check if host is an IP(v4|v6) address */ |
1388 | 0 | is_ip = Curl_host_is_ipnum(host); |
1389 | |
|
1390 | 0 | co = c->cookies[myhash]; |
1391 | |
|
1392 | 0 | while(co) { |
1393 | | /* if the cookie requires we're secure we must only continue if we are! */ |
1394 | 0 | if(co->secure?secure:TRUE) { |
1395 | | |
1396 | | /* now check if the domain is correct */ |
1397 | 0 | if(!co->domain || |
1398 | 0 | (co->tailmatch && !is_ip && |
1399 | 0 | cookie_tailmatch(co->domain, strlen(co->domain), host)) || |
1400 | 0 | ((!co->tailmatch || is_ip) && strcasecompare(host, co->domain)) ) { |
1401 | | /* |
1402 | | * the right part of the host matches the domain stuff in the |
1403 | | * cookie data |
1404 | | */ |
1405 | | |
1406 | | /* |
1407 | | * now check the left part of the path with the cookies path |
1408 | | * requirement |
1409 | | */ |
1410 | 0 | if(!co->spath || pathmatch(co->spath, path) ) { |
1411 | | |
1412 | | /* |
1413 | | * and now, we know this is a match and we should create an |
1414 | | * entry for the return-linked-list |
1415 | | */ |
1416 | |
|
1417 | 0 | newco = dup_cookie(co); |
1418 | 0 | if(newco) { |
1419 | | /* then modify our next */ |
1420 | 0 | newco->next = mainco; |
1421 | | |
1422 | | /* point the main to us */ |
1423 | 0 | mainco = newco; |
1424 | |
|
1425 | 0 | matches++; |
1426 | 0 | if(matches >= MAX_COOKIE_SEND_AMOUNT) { |
1427 | 0 | infof(data, "Included max number of cookies (%zu) in request!", |
1428 | 0 | matches); |
1429 | 0 | break; |
1430 | 0 | } |
1431 | 0 | } |
1432 | 0 | else |
1433 | 0 | goto fail; |
1434 | 0 | } |
1435 | 0 | } |
1436 | 0 | } |
1437 | 0 | co = co->next; |
1438 | 0 | } |
1439 | | |
1440 | 0 | if(matches) { |
1441 | | /* |
1442 | | * Now we need to make sure that if there is a name appearing more than |
1443 | | * once, the longest specified path version comes first. To make this |
1444 | | * the swiftest way, we just sort them all based on path length. |
1445 | | */ |
1446 | 0 | struct Cookie **array; |
1447 | 0 | size_t i; |
1448 | | |
1449 | | /* alloc an array and store all cookie pointers */ |
1450 | 0 | array = malloc(sizeof(struct Cookie *) * matches); |
1451 | 0 | if(!array) |
1452 | 0 | goto fail; |
1453 | | |
1454 | 0 | co = mainco; |
1455 | |
|
1456 | 0 | for(i = 0; co; co = co->next) |
1457 | 0 | array[i++] = co; |
1458 | | |
1459 | | /* now sort the cookie pointers in path length order */ |
1460 | 0 | qsort(array, matches, sizeof(struct Cookie *), cookie_sort); |
1461 | | |
1462 | | /* remake the linked list order according to the new order */ |
1463 | |
|
1464 | 0 | mainco = array[0]; /* start here */ |
1465 | 0 | for(i = 0; i<matches-1; i++) |
1466 | 0 | array[i]->next = array[i + 1]; |
1467 | 0 | array[matches-1]->next = NULL; /* terminate the list */ |
1468 | |
|
1469 | 0 | free(array); /* remove the temporary data again */ |
1470 | 0 | } |
1471 | | |
1472 | 0 | return mainco; /* return the new list */ |
1473 | | |
1474 | 0 | fail: |
1475 | | /* failure, clear up the allocated chain and return NULL */ |
1476 | 0 | Curl_cookie_freelist(mainco); |
1477 | 0 | return NULL; |
1478 | 0 | } |
1479 | | |
1480 | | /* |
1481 | | * Curl_cookie_clearall |
1482 | | * |
1483 | | * Clear all existing cookies and reset the counter. |
1484 | | */ |
1485 | | void Curl_cookie_clearall(struct CookieInfo *cookies) |
1486 | 0 | { |
1487 | 0 | if(cookies) { |
1488 | 0 | unsigned int i; |
1489 | 0 | for(i = 0; i < COOKIE_HASH_SIZE; i++) { |
1490 | 0 | Curl_cookie_freelist(cookies->cookies[i]); |
1491 | 0 | cookies->cookies[i] = NULL; |
1492 | 0 | } |
1493 | 0 | cookies->numcookies = 0; |
1494 | 0 | } |
1495 | 0 | } |
1496 | | |
1497 | | /* |
1498 | | * Curl_cookie_freelist |
1499 | | * |
1500 | | * Free a list of cookies previously returned by Curl_cookie_getlist(); |
1501 | | */ |
1502 | | void Curl_cookie_freelist(struct Cookie *co) |
1503 | 0 | { |
1504 | 0 | struct Cookie *next; |
1505 | 0 | while(co) { |
1506 | 0 | next = co->next; |
1507 | 0 | freecookie(co); |
1508 | 0 | co = next; |
1509 | 0 | } |
1510 | 0 | } |
1511 | | |
1512 | | /* |
1513 | | * Curl_cookie_clearsess |
1514 | | * |
1515 | | * Free all session cookies in the cookies list. |
1516 | | */ |
1517 | | void Curl_cookie_clearsess(struct CookieInfo *cookies) |
1518 | 0 | { |
1519 | 0 | struct Cookie *first, *curr, *next, *prev = NULL; |
1520 | 0 | unsigned int i; |
1521 | |
|
1522 | 0 | if(!cookies) |
1523 | 0 | return; |
1524 | | |
1525 | 0 | for(i = 0; i < COOKIE_HASH_SIZE; i++) { |
1526 | 0 | if(!cookies->cookies[i]) |
1527 | 0 | continue; |
1528 | | |
1529 | 0 | first = curr = prev = cookies->cookies[i]; |
1530 | |
|
1531 | 0 | for(; curr; curr = next) { |
1532 | 0 | next = curr->next; |
1533 | 0 | if(!curr->expires) { |
1534 | 0 | if(first == curr) |
1535 | 0 | first = next; |
1536 | |
|
1537 | 0 | if(prev == curr) |
1538 | 0 | prev = next; |
1539 | 0 | else |
1540 | 0 | prev->next = next; |
1541 | |
|
1542 | 0 | freecookie(curr); |
1543 | 0 | cookies->numcookies--; |
1544 | 0 | } |
1545 | 0 | else |
1546 | 0 | prev = curr; |
1547 | 0 | } |
1548 | |
|
1549 | 0 | cookies->cookies[i] = first; |
1550 | 0 | } |
1551 | 0 | } |
1552 | | |
1553 | | /* |
1554 | | * Curl_cookie_cleanup() |
1555 | | * |
1556 | | * Free a "cookie object" previous created with Curl_cookie_init(). |
1557 | | */ |
1558 | | void Curl_cookie_cleanup(struct CookieInfo *c) |
1559 | 0 | { |
1560 | 0 | if(c) { |
1561 | 0 | unsigned int i; |
1562 | 0 | for(i = 0; i < COOKIE_HASH_SIZE; i++) |
1563 | 0 | Curl_cookie_freelist(c->cookies[i]); |
1564 | 0 | free(c); /* free the base struct as well */ |
1565 | 0 | } |
1566 | 0 | } |
1567 | | |
1568 | | /* |
1569 | | * get_netscape_format() |
1570 | | * |
1571 | | * Formats a string for Netscape output file, w/o a newline at the end. |
1572 | | * Function returns a char * to a formatted line. The caller is responsible |
1573 | | * for freeing the returned pointer. |
1574 | | */ |
1575 | | static char *get_netscape_format(const struct Cookie *co) |
1576 | 0 | { |
1577 | 0 | return aprintf( |
1578 | 0 | "%s" /* httponly preamble */ |
1579 | 0 | "%s%s\t" /* domain */ |
1580 | 0 | "%s\t" /* tailmatch */ |
1581 | 0 | "%s\t" /* path */ |
1582 | 0 | "%s\t" /* secure */ |
1583 | 0 | "%" CURL_FORMAT_CURL_OFF_T "\t" /* expires */ |
1584 | 0 | "%s\t" /* name */ |
1585 | 0 | "%s", /* value */ |
1586 | 0 | co->httponly?"#HttpOnly_":"", |
1587 | | /* |
1588 | | * Make sure all domains are prefixed with a dot if they allow |
1589 | | * tailmatching. This is Mozilla-style. |
1590 | | */ |
1591 | 0 | (co->tailmatch && co->domain && co->domain[0] != '.')? ".":"", |
1592 | 0 | co->domain?co->domain:"unknown", |
1593 | 0 | co->tailmatch?"TRUE":"FALSE", |
1594 | 0 | co->path?co->path:"/", |
1595 | 0 | co->secure?"TRUE":"FALSE", |
1596 | 0 | co->expires, |
1597 | 0 | co->name, |
1598 | 0 | co->value?co->value:""); |
1599 | 0 | } |
1600 | | |
1601 | | /* |
1602 | | * cookie_output() |
1603 | | * |
1604 | | * Writes all internally known cookies to the specified file. Specify |
1605 | | * "-" as file name to write to stdout. |
1606 | | * |
1607 | | * The function returns non-zero on write failure. |
1608 | | */ |
1609 | | static CURLcode cookie_output(struct Curl_easy *data, |
1610 | | struct CookieInfo *c, const char *filename) |
1611 | 0 | { |
1612 | 0 | struct Cookie *co; |
1613 | 0 | FILE *out = NULL; |
1614 | 0 | bool use_stdout = FALSE; |
1615 | 0 | char *tempstore = NULL; |
1616 | 0 | CURLcode error = CURLE_OK; |
1617 | |
|
1618 | 0 | if(!c) |
1619 | | /* no cookie engine alive */ |
1620 | 0 | return CURLE_OK; |
1621 | | |
1622 | | /* at first, remove expired cookies */ |
1623 | 0 | remove_expired(c); |
1624 | |
|
1625 | 0 | if(!strcmp("-", filename)) { |
1626 | | /* use stdout */ |
1627 | 0 | out = stdout; |
1628 | 0 | use_stdout = TRUE; |
1629 | 0 | } |
1630 | 0 | else { |
1631 | 0 | error = Curl_fopen(data, filename, &out, &tempstore); |
1632 | 0 | if(error) |
1633 | 0 | goto error; |
1634 | 0 | } |
1635 | | |
1636 | 0 | fputs("# Netscape HTTP Cookie File\n" |
1637 | 0 | "# https://curl.se/docs/http-cookies.html\n" |
1638 | 0 | "# This file was generated by libcurl! Edit at your own risk.\n\n", |
1639 | 0 | out); |
1640 | |
|
1641 | 0 | if(c->numcookies) { |
1642 | 0 | unsigned int i; |
1643 | 0 | size_t nvalid = 0; |
1644 | 0 | struct Cookie **array; |
1645 | |
|
1646 | 0 | array = calloc(1, sizeof(struct Cookie *) * c->numcookies); |
1647 | 0 | if(!array) { |
1648 | 0 | error = CURLE_OUT_OF_MEMORY; |
1649 | 0 | goto error; |
1650 | 0 | } |
1651 | | |
1652 | | /* only sort the cookies with a domain property */ |
1653 | 0 | for(i = 0; i < COOKIE_HASH_SIZE; i++) { |
1654 | 0 | for(co = c->cookies[i]; co; co = co->next) { |
1655 | 0 | if(!co->domain) |
1656 | 0 | continue; |
1657 | 0 | array[nvalid++] = co; |
1658 | 0 | } |
1659 | 0 | } |
1660 | |
|
1661 | 0 | qsort(array, nvalid, sizeof(struct Cookie *), cookie_sort_ct); |
1662 | |
|
1663 | 0 | for(i = 0; i < nvalid; i++) { |
1664 | 0 | char *format_ptr = get_netscape_format(array[i]); |
1665 | 0 | if(!format_ptr) { |
1666 | 0 | free(array); |
1667 | 0 | error = CURLE_OUT_OF_MEMORY; |
1668 | 0 | goto error; |
1669 | 0 | } |
1670 | 0 | fprintf(out, "%s\n", format_ptr); |
1671 | 0 | free(format_ptr); |
1672 | 0 | } |
1673 | | |
1674 | 0 | free(array); |
1675 | 0 | } |
1676 | | |
1677 | 0 | if(!use_stdout) { |
1678 | 0 | fclose(out); |
1679 | 0 | out = NULL; |
1680 | 0 | if(tempstore && Curl_rename(tempstore, filename)) { |
1681 | 0 | unlink(tempstore); |
1682 | 0 | error = CURLE_WRITE_ERROR; |
1683 | 0 | goto error; |
1684 | 0 | } |
1685 | 0 | } |
1686 | | |
1687 | | /* |
1688 | | * If we reach here we have successfully written a cookie file so there is |
1689 | | * no need to inspect the error, any error case should have jumped into the |
1690 | | * error block below. |
1691 | | */ |
1692 | 0 | free(tempstore); |
1693 | 0 | return CURLE_OK; |
1694 | | |
1695 | 0 | error: |
1696 | 0 | if(out && !use_stdout) |
1697 | 0 | fclose(out); |
1698 | 0 | free(tempstore); |
1699 | 0 | return error; |
1700 | 0 | } |
1701 | | |
1702 | | static struct curl_slist *cookie_list(struct Curl_easy *data) |
1703 | 0 | { |
1704 | 0 | struct curl_slist *list = NULL; |
1705 | 0 | struct curl_slist *beg; |
1706 | 0 | struct Cookie *c; |
1707 | 0 | char *line; |
1708 | 0 | unsigned int i; |
1709 | |
|
1710 | 0 | if(!data->cookies || (data->cookies->numcookies == 0)) |
1711 | 0 | return NULL; |
1712 | | |
1713 | 0 | for(i = 0; i < COOKIE_HASH_SIZE; i++) { |
1714 | 0 | for(c = data->cookies->cookies[i]; c; c = c->next) { |
1715 | 0 | if(!c->domain) |
1716 | 0 | continue; |
1717 | 0 | line = get_netscape_format(c); |
1718 | 0 | if(!line) { |
1719 | 0 | curl_slist_free_all(list); |
1720 | 0 | return NULL; |
1721 | 0 | } |
1722 | 0 | beg = Curl_slist_append_nodup(list, line); |
1723 | 0 | if(!beg) { |
1724 | 0 | free(line); |
1725 | 0 | curl_slist_free_all(list); |
1726 | 0 | return NULL; |
1727 | 0 | } |
1728 | 0 | list = beg; |
1729 | 0 | } |
1730 | 0 | } |
1731 | | |
1732 | 0 | return list; |
1733 | 0 | } |
1734 | | |
1735 | | struct curl_slist *Curl_cookie_list(struct Curl_easy *data) |
1736 | 0 | { |
1737 | 0 | struct curl_slist *list; |
1738 | 0 | Curl_share_lock(data, CURL_LOCK_DATA_COOKIE, CURL_LOCK_ACCESS_SINGLE); |
1739 | 0 | list = cookie_list(data); |
1740 | 0 | Curl_share_unlock(data, CURL_LOCK_DATA_COOKIE); |
1741 | 0 | return list; |
1742 | 0 | } |
1743 | | |
1744 | | void Curl_flush_cookies(struct Curl_easy *data, bool cleanup) |
1745 | 0 | { |
1746 | 0 | CURLcode res; |
1747 | |
|
1748 | 0 | if(data->set.str[STRING_COOKIEJAR]) { |
1749 | 0 | Curl_share_lock(data, CURL_LOCK_DATA_COOKIE, CURL_LOCK_ACCESS_SINGLE); |
1750 | | |
1751 | | /* if we have a destination file for all the cookies to get dumped to */ |
1752 | 0 | res = cookie_output(data, data->cookies, data->set.str[STRING_COOKIEJAR]); |
1753 | 0 | if(res) |
1754 | 0 | infof(data, "WARNING: failed to save cookies in %s: %s", |
1755 | 0 | data->set.str[STRING_COOKIEJAR], curl_easy_strerror(res)); |
1756 | 0 | } |
1757 | 0 | else { |
1758 | 0 | Curl_share_lock(data, CURL_LOCK_DATA_COOKIE, CURL_LOCK_ACCESS_SINGLE); |
1759 | 0 | } |
1760 | |
|
1761 | 0 | if(cleanup && (!data->share || (data->cookies != data->share->cookies))) { |
1762 | 0 | Curl_cookie_cleanup(data->cookies); |
1763 | 0 | data->cookies = NULL; |
1764 | 0 | } |
1765 | 0 | Curl_share_unlock(data, CURL_LOCK_DATA_COOKIE); |
1766 | 0 | } |
1767 | | |
1768 | | #endif /* CURL_DISABLE_HTTP || CURL_DISABLE_COOKIES */ |