Line | Count | Source |
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 | | #include "curl_setup.h" |
25 | | |
26 | | #if !defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_COOKIES) |
27 | | |
28 | | #include "urldata.h" |
29 | | #include "cookie.h" |
30 | | #include "psl.h" |
31 | | #include "curl_trc.h" |
32 | | #include "slist.h" |
33 | | #include "curl_share.h" |
34 | | #include "strcase.h" |
35 | | #include "curl_fopen.h" |
36 | | #include "curl_get_line.h" |
37 | | #include "curl_memrchr.h" |
38 | | #include "parsedate.h" |
39 | | #include "strdup.h" |
40 | | #include "llist.h" |
41 | | #include "bufref.h" |
42 | | #include "curlx/strparse.h" |
43 | | |
44 | | /* number of seconds in 400 days */ |
45 | 490 | #define COOKIES_MAXAGE (400 * 24 * 3600) |
46 | | |
47 | | /* Make sure cookies never expire further away in time than 400 days into the |
48 | | future. (from RFC6265bis draft-19) |
49 | | |
50 | | For the sake of easier testing, align the capped time to an even 60 second |
51 | | boundary. |
52 | | */ |
53 | | static void cap_expires(time_t now, struct Cookie *co) |
54 | 12.5k | { |
55 | 12.5k | if(co->expires && (TIME_T_MAX - COOKIES_MAXAGE - 30) > now) { |
56 | 245 | timediff_t cap = now + COOKIES_MAXAGE; |
57 | 245 | if(co->expires > cap) { |
58 | 81 | cap += 30; |
59 | 81 | co->expires = (cap / 60) * 60; |
60 | 81 | } |
61 | 245 | } |
62 | 12.5k | } |
63 | | |
64 | | static void freecookie(struct Cookie *co, bool maintoo) |
65 | 1.78k | { |
66 | 1.78k | curlx_free(co->domain); |
67 | 1.78k | curlx_free(co->path); |
68 | 1.78k | curlx_free(co->name); |
69 | 1.78k | curlx_free(co->value); |
70 | 1.78k | if(maintoo) |
71 | 1.36k | curlx_free(co); |
72 | 1.78k | } |
73 | | |
74 | | static bool cookie_tailmatch(const char *cookie_domain, |
75 | | size_t cookie_domain_len, |
76 | | const char *hostname) |
77 | 0 | { |
78 | 0 | size_t hostname_len = strlen(hostname); |
79 | |
|
80 | 0 | if(hostname_len < cookie_domain_len) |
81 | 0 | return FALSE; |
82 | | |
83 | 0 | if(!curl_strnequal(cookie_domain, |
84 | 0 | hostname + hostname_len - cookie_domain_len, |
85 | 0 | cookie_domain_len)) |
86 | 0 | return FALSE; |
87 | | |
88 | | /* |
89 | | * A lead char of cookie_domain is not '.'. |
90 | | * RFC6265 4.1.2.3. The Domain Attribute says: |
91 | | * For example, if the value of the Domain attribute is |
92 | | * "example.com", the user agent will include the cookie in the Cookie |
93 | | * header when making HTTP requests to example.com, www.example.com, and |
94 | | * www.corp.example.com. |
95 | | */ |
96 | 0 | if(hostname_len == cookie_domain_len) |
97 | 0 | return TRUE; |
98 | 0 | if('.' == *(hostname + hostname_len - cookie_domain_len - 1)) |
99 | 0 | return TRUE; |
100 | 0 | return FALSE; |
101 | 0 | } |
102 | | |
103 | | /* |
104 | | * matching cookie path and URL path |
105 | | * RFC6265 5.1.4 Paths and Path-Match |
106 | | */ |
107 | | static bool pathmatch(const char *cookie_path, const char *uri_path) |
108 | 0 | { |
109 | 0 | size_t cookie_path_len; |
110 | 0 | size_t uri_path_len; |
111 | 0 | bool ret = FALSE; |
112 | | |
113 | | /* cookie_path must not have last '/' separator. ex: /sample */ |
114 | 0 | cookie_path_len = strlen(cookie_path); |
115 | 0 | if(cookie_path_len == 1) { |
116 | | /* cookie_path must be '/' */ |
117 | 0 | return TRUE; |
118 | 0 | } |
119 | | |
120 | | /* #-fragments are already cut off! */ |
121 | 0 | if(strlen(uri_path) == 0 || uri_path[0] != '/') |
122 | 0 | uri_path = "/"; |
123 | | |
124 | | /* |
125 | | * here, RFC6265 5.1.4 says |
126 | | * 4. Output the characters of the uri-path from the first character up |
127 | | * to, but not including, the right-most %x2F ("/"). |
128 | | * but URL path /hoge?fuga=xxx means /hoge/index.cgi?fuga=xxx in some site |
129 | | * without redirect. |
130 | | * Ignore this algorithm because /hoge is uri path for this case |
131 | | * (uri path is not /). |
132 | | */ |
133 | |
|
134 | 0 | uri_path_len = strlen(uri_path); |
135 | |
|
136 | 0 | if(uri_path_len < cookie_path_len) |
137 | 0 | goto pathmatched; |
138 | | |
139 | | /* not using checkprefix() because matching should be case-sensitive */ |
140 | 0 | if(strncmp(cookie_path, uri_path, cookie_path_len)) |
141 | 0 | goto pathmatched; |
142 | | |
143 | | /* The cookie-path and the uri-path are identical. */ |
144 | 0 | if(cookie_path_len == uri_path_len) { |
145 | 0 | ret = TRUE; |
146 | 0 | goto pathmatched; |
147 | 0 | } |
148 | | |
149 | | /* here, cookie_path_len < uri_path_len */ |
150 | 0 | if(uri_path[cookie_path_len] == '/') { |
151 | 0 | ret = TRUE; |
152 | 0 | goto pathmatched; |
153 | 0 | } |
154 | | |
155 | 0 | pathmatched: |
156 | 0 | return ret; |
157 | 0 | } |
158 | | |
159 | | /* |
160 | | * Return the top-level domain, for optimal hashing. |
161 | | */ |
162 | | static const char *get_top_domain(const char * const domain, size_t *outlen) |
163 | 194 | { |
164 | 194 | size_t len = 0; |
165 | 194 | const char *first = NULL, *last; |
166 | | |
167 | 194 | if(domain) { |
168 | 194 | len = strlen(domain); |
169 | 194 | last = memrchr(domain, '.', len); |
170 | 194 | if(last) { |
171 | 10 | first = memrchr(domain, '.', (last - domain)); |
172 | 10 | if(first) |
173 | 4 | len -= (++first - domain); |
174 | 10 | } |
175 | 194 | } |
176 | | |
177 | 194 | if(outlen) |
178 | 194 | *outlen = len; |
179 | | |
180 | 194 | return first ? first : domain; |
181 | 194 | } |
182 | | |
183 | | /* Avoid C1001, an "internal error" with MSVC14 */ |
184 | | #if defined(_MSC_VER) && (_MSC_VER == 1900) |
185 | | #pragma optimize("", off) |
186 | | #endif |
187 | | |
188 | | /* |
189 | | * A case-insensitive hash for the cookie domains. |
190 | | */ |
191 | | static size_t cookie_hash_domain(const char *domain, const size_t len) |
192 | 194 | { |
193 | 194 | const char *end = domain + len; |
194 | 194 | size_t h = 5381; |
195 | | |
196 | 1.47k | while(domain < end) { |
197 | 1.27k | size_t j = (size_t)Curl_raw_toupper(*domain++); |
198 | 1.27k | h += h << 5; |
199 | 1.27k | h ^= j; |
200 | 1.27k | } |
201 | | |
202 | 194 | return (h % COOKIE_HASH_SIZE); |
203 | 194 | } |
204 | | |
205 | | #if defined(_MSC_VER) && (_MSC_VER == 1900) |
206 | | #pragma optimize("", on) |
207 | | #endif |
208 | | |
209 | | /* |
210 | | * Hash this domain. |
211 | | */ |
212 | | static size_t cookiehash(const char * const domain) |
213 | 2.72k | { |
214 | 2.72k | const char *top; |
215 | 2.72k | size_t len; |
216 | | |
217 | 2.72k | if(!domain || Curl_host_is_ipnum(domain)) |
218 | 2.53k | return 0; |
219 | | |
220 | 194 | top = get_top_domain(domain, &len); |
221 | 194 | return cookie_hash_domain(top, len); |
222 | 2.72k | } |
223 | | |
224 | | /* |
225 | | * cookie path sanitize |
226 | | */ |
227 | | static char *sanitize_cookie_path(const char *cookie_path, size_t len) |
228 | 134 | { |
229 | | /* some sites send path attribute within '"'. */ |
230 | 134 | if(len && (cookie_path[0] == '\"')) { |
231 | 31 | cookie_path++; |
232 | 31 | len--; |
233 | | |
234 | 31 | if(len && (cookie_path[len - 1] == '\"')) |
235 | 2 | len--; |
236 | 31 | } |
237 | | |
238 | | /* RFC6265 5.2.4 The Path Attribute */ |
239 | 134 | if(!len || (cookie_path[0] != '/')) |
240 | | /* Let cookie-path be the default-path. */ |
241 | 103 | return curlx_strdup("/"); |
242 | | |
243 | | /* remove trailing slash when path is non-empty */ |
244 | | /* convert /hoge/ to /hoge */ |
245 | 31 | if(len > 1 && cookie_path[len - 1] == '/') |
246 | 3 | len--; |
247 | | |
248 | 31 | return Curl_memdup0(cookie_path, len); |
249 | 134 | } |
250 | | |
251 | | /* |
252 | | * strstore |
253 | | * |
254 | | * A thin wrapper around strdup which ensures that any memory allocated at |
255 | | * *str will be freed before the string allocated by strdup is stored there. |
256 | | * The intended usecase is repeated assignments to the same variable during |
257 | | * parsing in a last-wins scenario. The caller is responsible for checking |
258 | | * for OOM errors. |
259 | | */ |
260 | | static CURLcode strstore(char **str, const char *newstr, size_t len) |
261 | 2.54k | { |
262 | 2.54k | DEBUGASSERT(str); |
263 | 2.54k | if(!len) { |
264 | 906 | len++; |
265 | 906 | newstr = ""; |
266 | 906 | } |
267 | 2.54k | *str = Curl_memdup0(newstr, len); |
268 | 2.54k | if(!*str) |
269 | 0 | return CURLE_OUT_OF_MEMORY; |
270 | 2.54k | return CURLE_OK; |
271 | 2.54k | } |
272 | | |
273 | | /* |
274 | | * remove_expired |
275 | | * |
276 | | * Remove expired cookies from the hash by inspecting the expires timestamp on |
277 | | * each cookie in the hash, freeing and deleting any where the timestamp is in |
278 | | * the past. If the cookiejar has recorded the next timestamp at which one or |
279 | | * more cookies expire, then processing will exit early in case this timestamp |
280 | | * is in the future. |
281 | | */ |
282 | | static void remove_expired(struct CookieInfo *ci) |
283 | 1.36k | { |
284 | 1.36k | struct Cookie *co; |
285 | 1.36k | curl_off_t now = (curl_off_t)time(NULL); |
286 | 1.36k | unsigned int i; |
287 | | |
288 | | /* |
289 | | * If the earliest expiration timestamp in the jar is in the future we can |
290 | | * skip scanning the whole jar and instead exit early as there will not be |
291 | | * any cookies to evict. If we need to evict however, reset the |
292 | | * next_expiration counter in order to track the next one. In case the |
293 | | * recorded first expiration is the max offset, then perform the safe |
294 | | * fallback of checking all cookies. |
295 | | */ |
296 | 1.36k | if(now < ci->next_expiration && |
297 | 1.36k | ci->next_expiration != CURL_OFF_T_MAX) |
298 | 0 | return; |
299 | 1.36k | else |
300 | 1.36k | ci->next_expiration = CURL_OFF_T_MAX; |
301 | | |
302 | 87.1k | for(i = 0; i < COOKIE_HASH_SIZE; i++) { |
303 | 85.8k | struct Curl_llist_node *n; |
304 | 85.8k | struct Curl_llist_node *e = NULL; |
305 | | |
306 | 85.8k | for(n = Curl_llist_head(&ci->cookielist[i]); n; n = e) { |
307 | 0 | co = Curl_node_elem(n); |
308 | 0 | e = Curl_node_next(n); |
309 | 0 | if(co->expires) { |
310 | 0 | if(co->expires < now) { |
311 | 0 | Curl_node_remove(n); |
312 | 0 | freecookie(co, TRUE); |
313 | 0 | ci->numcookies--; |
314 | 0 | } |
315 | 0 | else if(co->expires < ci->next_expiration) |
316 | | /* |
317 | | * If this cookie has an expiration timestamp earlier than what we |
318 | | * have seen so far then record it for the next round of expirations. |
319 | | */ |
320 | 0 | ci->next_expiration = co->expires; |
321 | 0 | } |
322 | 0 | } |
323 | 85.8k | } |
324 | 1.36k | } |
325 | | |
326 | | #ifndef USE_LIBPSL |
327 | | /* Make sure domain contains a dot or is localhost. */ |
328 | | static bool bad_domain(const char *domain, size_t len) |
329 | 0 | { |
330 | 0 | if((len == 9) && curl_strnequal(domain, "localhost", 9)) |
331 | 0 | return FALSE; |
332 | 0 | else { |
333 | | /* there must be a dot present, but that dot must not be a trailing dot */ |
334 | 0 | char *dot = memchr(domain, '.', len); |
335 | 0 | if(dot) { |
336 | 0 | size_t i = dot - domain; |
337 | 0 | if((len - i) > 1) |
338 | | /* the dot is not the last byte */ |
339 | 0 | return FALSE; |
340 | 0 | } |
341 | 0 | } |
342 | 0 | return TRUE; |
343 | 0 | } |
344 | | #endif |
345 | | |
346 | | /* |
347 | | RFC 6265 section 4.1.1 says a server should accept this range: |
348 | | |
349 | | cookie-octet = %x21 / %x23-2B / %x2D-3A / %x3C-5B / %x5D-7E |
350 | | |
351 | | But Firefox and Chrome as of June 2022 accept space, comma and double-quotes |
352 | | fine. The prime reason for filtering out control bytes is that some HTTP |
353 | | servers return 400 for requests that contain such. |
354 | | */ |
355 | | static bool invalid_octets(const char *ptr, size_t len) |
356 | 2.58k | { |
357 | 2.58k | const unsigned char *p = (const unsigned char *)ptr; |
358 | | /* Reject all bytes \x01 - \x1f (*except* \x09, TAB) + \x7f */ |
359 | 78.9k | while(len && *p) { |
360 | 76.3k | if(((*p != 9) && (*p < 0x20)) || (*p == 0x7f)) |
361 | 15 | return TRUE; |
362 | 76.3k | p++; |
363 | 76.3k | len--; |
364 | 76.3k | } |
365 | 2.57k | return FALSE; |
366 | 2.58k | } |
367 | | |
368 | | /* The maximum length we accept a date string for the 'expire' keyword. The |
369 | | standard date formats are within the 30 bytes range. This adds an extra |
370 | | margin just to make sure it realistically works with what is used out |
371 | | there. |
372 | | */ |
373 | 12.6k | #define MAX_DATE_LENGTH 80 |
374 | | |
375 | 1.27k | #define COOKIE_NAME 0 |
376 | 1.27k | #define COOKIE_VALUE 1 |
377 | 0 | #define COOKIE_DOMAIN 2 |
378 | 374 | #define COOKIE_PATH 3 |
379 | | |
380 | | #define COOKIE_PIECES 4 /* the list above */ |
381 | | |
382 | | static CURLcode storecookie(struct Cookie *co, struct Curl_str *cp, |
383 | | const char *path, const char *domain) |
384 | 1.27k | { |
385 | 1.27k | CURLcode result; |
386 | 1.27k | result = strstore(&co->name, curlx_str(&cp[COOKIE_NAME]), |
387 | 1.27k | curlx_strlen(&cp[COOKIE_NAME])); |
388 | 1.27k | if(!result) |
389 | 1.27k | result = strstore(&co->value, curlx_str(&cp[COOKIE_VALUE]), |
390 | 1.27k | curlx_strlen(&cp[COOKIE_VALUE])); |
391 | 1.27k | if(!result) { |
392 | 1.27k | size_t plen = 0; |
393 | 1.27k | if(curlx_strlen(&cp[COOKIE_PATH])) { |
394 | 45 | path = curlx_str(&cp[COOKIE_PATH]); |
395 | 45 | plen = curlx_strlen(&cp[COOKIE_PATH]); |
396 | 45 | } |
397 | 1.22k | else if(path) { |
398 | | /* No path was given in the header line, set the default */ |
399 | 0 | const char *endslash = strrchr(path, '/'); |
400 | 0 | if(endslash) |
401 | 0 | plen = (endslash - path + 1); /* include end slash */ |
402 | 0 | else |
403 | 0 | plen = strlen(path); |
404 | 0 | } |
405 | | |
406 | 1.27k | if(path) { |
407 | 45 | co->path = sanitize_cookie_path(path, plen); |
408 | 45 | if(!co->path) |
409 | 0 | result = CURLE_OUT_OF_MEMORY; |
410 | 45 | } |
411 | 1.27k | } |
412 | 1.27k | if(!result) { |
413 | 1.27k | if(curlx_strlen(&cp[COOKIE_DOMAIN])) |
414 | 0 | result = strstore(&co->domain, curlx_str(&cp[COOKIE_DOMAIN]), |
415 | 0 | curlx_strlen(&cp[COOKIE_DOMAIN])); |
416 | 1.27k | else if(domain) { |
417 | | /* no domain was given in the header line, set the default */ |
418 | 0 | co->domain = curlx_strdup(domain); |
419 | 0 | if(!co->domain) |
420 | 0 | result = CURLE_OUT_OF_MEMORY; |
421 | 0 | } |
422 | 1.27k | } |
423 | 1.27k | return result; |
424 | 1.27k | } |
425 | | |
426 | | /* this function return errors on OOM etc, not on plain cookie format |
427 | | problems */ |
428 | | static CURLcode |
429 | | parse_cookie_header(struct Curl_easy *data, |
430 | | struct Cookie *co, |
431 | | struct CookieInfo *ci, |
432 | | bool *okay, /* if the cookie was fine */ |
433 | | const char *ptr, |
434 | | const char *domain, /* default domain */ |
435 | | const char *path, /* full path used when this cookie is |
436 | | set, used to get default path for |
437 | | the cookie unless set */ |
438 | | bool secure) /* TRUE if connection is over secure |
439 | | origin */ |
440 | 1.33k | { |
441 | | /* This line was read off an HTTP-header */ |
442 | 1.33k | time_t now = 0; |
443 | 1.33k | size_t linelength = strlen(ptr); |
444 | 1.33k | CURLcode result = CURLE_OK; |
445 | 1.33k | struct Curl_str cookie[COOKIE_PIECES]; |
446 | 1.33k | *okay = FALSE; |
447 | 1.33k | if(linelength > MAX_COOKIE_LINE) |
448 | | /* discard overly long lines at once */ |
449 | 1 | return CURLE_OK; |
450 | | |
451 | | /* memset instead of initializer because gcc 4.8.1 is silly */ |
452 | 1.33k | memset(cookie, 0, sizeof(cookie)); |
453 | 23.1k | do { |
454 | 23.1k | struct Curl_str name; |
455 | 23.1k | struct Curl_str val; |
456 | | |
457 | | /* we have a <name>=<value> pair or a stand-alone word here */ |
458 | 23.1k | if(!curlx_str_cspn(&ptr, &name, ";\t\r\n=")) { |
459 | 21.8k | bool sep = FALSE; |
460 | 21.8k | curlx_str_trimblanks(&name); |
461 | | |
462 | 21.8k | if(!curlx_str_single(&ptr, '=')) { |
463 | 17.8k | sep = TRUE; /* a '=' was used */ |
464 | 17.8k | if(!curlx_str_cspn(&ptr, &val, ";\r\n")) |
465 | 15.8k | curlx_str_trimblanks(&val); |
466 | 17.8k | } |
467 | 4.00k | else |
468 | 4.00k | curlx_str_init(&val); |
469 | | |
470 | 21.8k | if(!curlx_strlen(&cookie[COOKIE_NAME])) { |
471 | | /* The first name/value pair is the actual cookie name */ |
472 | 1.31k | if(!sep || |
473 | | /* Bad name/value pair. */ |
474 | 1.29k | invalid_octets(curlx_str(&name), curlx_strlen(&name)) || |
475 | 1.29k | invalid_octets(curlx_str(&val), curlx_strlen(&val)) || |
476 | 1.28k | !curlx_strlen(&name)) { |
477 | 42 | infof(data, "invalid octets in name/value, cookie dropped"); |
478 | 42 | return CURLE_OK; |
479 | 42 | } |
480 | | |
481 | | /* |
482 | | * Check for too long individual name or contents, or too long |
483 | | * combination of name + contents. Chrome and Firefox support 4095 or |
484 | | * 4096 bytes combo |
485 | | */ |
486 | 1.27k | if(curlx_strlen(&name) >= (MAX_NAME - 1) || |
487 | 1.27k | curlx_strlen(&val) >= (MAX_NAME - 1) || |
488 | 1.27k | ((curlx_strlen(&name) + curlx_strlen(&val)) > MAX_NAME)) { |
489 | 4 | infof(data, "oversized cookie dropped, name/val %zu + %zu bytes", |
490 | 4 | curlx_strlen(&name), curlx_strlen(&val)); |
491 | 4 | return CURLE_OK; |
492 | 4 | } |
493 | | |
494 | | /* Reject cookies with a TAB inside the value */ |
495 | 1.27k | if(curlx_strlen(&val) && |
496 | 367 | memchr(curlx_str(&val), '\t', curlx_strlen(&val))) { |
497 | 3 | infof(data, "cookie contains TAB, dropping"); |
498 | 3 | return CURLE_OK; |
499 | 3 | } |
500 | | |
501 | | /* Check if we have a reserved prefix set. */ |
502 | 1.27k | if(!strncmp("__Secure-", curlx_str(&name), 9)) |
503 | 3 | co->prefix_secure = TRUE; |
504 | 1.26k | else if(!strncmp("__Host-", curlx_str(&name), 7)) |
505 | 4 | co->prefix_host = TRUE; |
506 | | |
507 | 1.27k | cookie[COOKIE_NAME] = name; |
508 | 1.27k | cookie[COOKIE_VALUE] = val; |
509 | 1.27k | } |
510 | 20.5k | else if(!sep) { |
511 | | /* |
512 | | * this is a "<name>" with no content |
513 | | */ |
514 | | |
515 | | /* |
516 | | * secure cookies are only allowed to be set when the connection is |
517 | | * using a secure protocol, or when the cookie is being set by |
518 | | * reading from file |
519 | | */ |
520 | 3.98k | if(curlx_str_casecompare(&name, "secure")) { |
521 | 199 | if(secure || !ci->running) |
522 | 199 | co->secure = TRUE; |
523 | 0 | else { |
524 | 0 | infof(data, "skipped cookie because not 'secure'"); |
525 | 0 | return CURLE_OK; |
526 | 0 | } |
527 | 199 | } |
528 | 3.78k | else if(curlx_str_casecompare(&name, "httponly")) |
529 | 204 | co->httponly = TRUE; |
530 | 3.98k | } |
531 | 16.5k | else if(curlx_str_casecompare(&name, "path")) { |
532 | 374 | cookie[COOKIE_PATH] = val; |
533 | 374 | } |
534 | 16.1k | else if(curlx_str_casecompare(&name, "domain") && curlx_strlen(&val)) { |
535 | 0 | bool is_ip; |
536 | 0 | const char *v = curlx_str(&val); |
537 | | /* |
538 | | * Now, we make sure that our host is within the given domain, or |
539 | | * the given domain is not valid and thus cannot be set. |
540 | | */ |
541 | |
|
542 | 0 | if('.' == *v) |
543 | 0 | curlx_str_nudge(&val, 1); |
544 | |
|
545 | 0 | #ifndef USE_LIBPSL |
546 | | /* |
547 | | * Without PSL we do not know when the incoming cookie is set on a |
548 | | * TLD or otherwise "protected" suffix. To reduce risk, we require a |
549 | | * dot OR the exact hostname being "localhost". |
550 | | */ |
551 | 0 | if(bad_domain(curlx_str(&val), curlx_strlen(&val))) |
552 | 0 | domain = ":"; |
553 | 0 | #endif |
554 | |
|
555 | 0 | is_ip = Curl_host_is_ipnum(domain ? domain : curlx_str(&val)); |
556 | |
|
557 | 0 | if(!domain || |
558 | 0 | (is_ip && |
559 | 0 | !strncmp(curlx_str(&val), domain, curlx_strlen(&val)) && |
560 | 0 | (curlx_strlen(&val) == strlen(domain))) || |
561 | 0 | (!is_ip && cookie_tailmatch(curlx_str(&val), |
562 | 0 | curlx_strlen(&val), domain))) { |
563 | 0 | cookie[COOKIE_DOMAIN] = val; |
564 | 0 | if(!is_ip) |
565 | 0 | co->tailmatch = TRUE; /* we always do that if the domain name was |
566 | | given */ |
567 | 0 | } |
568 | 0 | else { |
569 | | /* |
570 | | * We did not get a tailmatch and then the attempted set domain is |
571 | | * not a domain to which the current host belongs. Mark as bad. |
572 | | */ |
573 | 0 | infof(data, "skipped cookie with bad tailmatch domain: %s", |
574 | 0 | curlx_str(&val)); |
575 | 0 | return CURLE_OK; |
576 | 0 | } |
577 | 0 | } |
578 | 16.1k | else if(curlx_str_casecompare(&name, "max-age") && curlx_strlen(&val)) { |
579 | | /* |
580 | | * Defined in RFC2109: |
581 | | * |
582 | | * Optional. The Max-Age attribute defines the lifetime of the |
583 | | * cookie, in seconds. The delta-seconds value is a decimal non- |
584 | | * negative integer. After delta-seconds seconds elapse, the |
585 | | * client should discard the cookie. A value of zero means the |
586 | | * cookie should be discarded immediately. |
587 | | */ |
588 | 0 | int rc; |
589 | 0 | const char *maxage = curlx_str(&val); |
590 | 0 | if(*maxage == '\"') |
591 | 0 | maxage++; |
592 | 0 | rc = curlx_str_number(&maxage, &co->expires, CURL_OFF_T_MAX); |
593 | 0 | if(!now) |
594 | 0 | now = time(NULL); |
595 | 0 | switch(rc) { |
596 | 0 | case STRE_OVERFLOW: |
597 | | /* overflow, used max value */ |
598 | 0 | co->expires = CURL_OFF_T_MAX; |
599 | 0 | break; |
600 | 0 | default: |
601 | | /* negative or otherwise bad, expire */ |
602 | 0 | co->expires = 1; |
603 | 0 | break; |
604 | 0 | case STRE_OK: |
605 | 0 | if(!co->expires) |
606 | 0 | co->expires = 1; /* expire now */ |
607 | 0 | else if(CURL_OFF_T_MAX - now < co->expires) |
608 | | /* would overflow */ |
609 | 0 | co->expires = CURL_OFF_T_MAX; |
610 | 0 | else |
611 | 0 | co->expires += now; |
612 | 0 | break; |
613 | 0 | } |
614 | 0 | cap_expires(now, co); |
615 | 0 | } |
616 | 16.1k | else if(curlx_str_casecompare(&name, "expires") && curlx_strlen(&val) && |
617 | 12.9k | !co->expires && (curlx_strlen(&val) < MAX_DATE_LENGTH)) { |
618 | | /* |
619 | | * Let max-age have priority. |
620 | | * |
621 | | * If the date cannot get parsed for whatever reason, the cookie |
622 | | * will be treated as a session cookie |
623 | | */ |
624 | 12.5k | char dbuf[MAX_DATE_LENGTH + 1]; |
625 | 12.5k | time_t date = 0; |
626 | 12.5k | memcpy(dbuf, curlx_str(&val), curlx_strlen(&val)); |
627 | 12.5k | dbuf[curlx_strlen(&val)] = 0; |
628 | 12.5k | if(!Curl_getdate_capped(dbuf, &date)) { |
629 | 245 | if(!date) |
630 | 1 | date++; |
631 | 245 | co->expires = (curl_off_t)date; |
632 | 245 | } |
633 | 12.3k | else |
634 | 12.3k | co->expires = 0; |
635 | 12.5k | if(!now) |
636 | 1.01k | now = time(NULL); |
637 | 12.5k | cap_expires(now, co); |
638 | 12.5k | } |
639 | 21.8k | } |
640 | 23.1k | } while(!curlx_str_single(&ptr, ';')); |
641 | | |
642 | 1.28k | if(curlx_strlen(&cookie[COOKIE_NAME])) { |
643 | | /* the header was fine, now store the data */ |
644 | 1.27k | result = storecookie(co, &cookie[0], path, domain); |
645 | 1.27k | if(!result) |
646 | 1.27k | *okay = TRUE; |
647 | 1.27k | } |
648 | 1.28k | return result; |
649 | 1.33k | } |
650 | | |
651 | | static CURLcode parse_netscape(struct Cookie *co, |
652 | | struct CookieInfo *ci, |
653 | | bool *okay, |
654 | | const char *lineptr, |
655 | | bool secure) /* TRUE if connection is over |
656 | | secure origin */ |
657 | 452 | { |
658 | | /* |
659 | | * This line is NOT an HTTP header style line, we do offer support for |
660 | | * reading the odd netscape cookies-file format here |
661 | | */ |
662 | 452 | const char *ptr, *next; |
663 | 452 | int fields; |
664 | 452 | size_t len; |
665 | 452 | *okay = FALSE; |
666 | | |
667 | | /* |
668 | | * In 2008, Internet Explorer introduced HTTP-only cookies to prevent XSS |
669 | | * attacks. Cookies marked httpOnly are not accessible to JavaScript. In |
670 | | * Firefox's cookie files, they are prefixed #HttpOnly_ and the rest |
671 | | * remains as usual, so we skip 10 characters of the line. |
672 | | */ |
673 | 452 | if(strncmp(lineptr, "#HttpOnly_", 10) == 0) { |
674 | 1 | lineptr += 10; |
675 | 1 | co->httponly = TRUE; |
676 | 1 | } |
677 | | |
678 | 452 | if(lineptr[0] == '#') |
679 | | /* do not even try the comments */ |
680 | 81 | return CURLE_OK; |
681 | | |
682 | | /* |
683 | | * Now loop through the fields and init the struct we already have |
684 | | * allocated |
685 | | */ |
686 | 371 | fields = 0; |
687 | 4.71k | for(next = lineptr; next; fields++) { |
688 | 4.42k | ptr = next; |
689 | 4.42k | len = strcspn(ptr, "\t\r\n"); |
690 | 4.42k | next = (ptr[len] == '\t' ? &ptr[len + 1] : NULL); |
691 | 4.42k | switch(fields) { |
692 | 371 | case 0: |
693 | 371 | if(ptr[0] == '.') { /* skip preceding dots */ |
694 | 1 | ptr++; |
695 | 1 | len--; |
696 | 1 | } |
697 | 371 | co->domain = Curl_memdup0(ptr, len); |
698 | 371 | if(!co->domain) |
699 | 0 | return CURLE_OUT_OF_MEMORY; |
700 | 371 | break; |
701 | 371 | case 1: |
702 | | /* |
703 | | * flag: A TRUE/FALSE value indicating if all machines within a given |
704 | | * domain can access the variable. Set TRUE when the cookie says |
705 | | * .example.com and to false when the domain is complete www.example.com |
706 | | */ |
707 | 336 | co->tailmatch = !!curl_strnequal(ptr, "TRUE", len); |
708 | 336 | break; |
709 | 324 | case 2: |
710 | | /* The file format allows the path field to remain not filled in */ |
711 | 324 | if(strncmp("TRUE", ptr, len) && strncmp("FALSE", ptr, len)) { |
712 | | /* only if the path does not look like a boolean option! */ |
713 | 89 | co->path = sanitize_cookie_path(ptr, len); |
714 | 89 | if(!co->path) |
715 | 0 | return CURLE_OUT_OF_MEMORY; |
716 | 89 | break; |
717 | 89 | } |
718 | 235 | else { |
719 | | /* this does not look like a path, make one up! */ |
720 | 235 | co->path = curlx_strdup("/"); |
721 | 235 | if(!co->path) |
722 | 0 | return CURLE_OUT_OF_MEMORY; |
723 | 235 | } |
724 | 235 | fields++; /* add a field and fall down to secure */ |
725 | 235 | FALLTHROUGH(); |
726 | 242 | case 3: |
727 | 242 | co->secure = FALSE; |
728 | 242 | if(curl_strnequal(ptr, "TRUE", len)) { |
729 | 236 | if(secure || ci->running) |
730 | 236 | co->secure = TRUE; |
731 | 0 | else |
732 | 0 | return CURLE_OK; |
733 | 236 | } |
734 | 242 | break; |
735 | 242 | case 4: |
736 | 238 | if(curlx_str_number(&ptr, &co->expires, CURL_OFF_T_MAX)) |
737 | 74 | return CURLE_OK; |
738 | 164 | break; |
739 | 164 | case 5: |
740 | 119 | co->name = Curl_memdup0(ptr, len); |
741 | 119 | if(!co->name) |
742 | 0 | return CURLE_OUT_OF_MEMORY; |
743 | 119 | else { |
744 | | /* For Netscape file format cookies we check prefix on the name */ |
745 | 119 | if(curl_strnequal("__Secure-", co->name, 9)) |
746 | 2 | co->prefix_secure = TRUE; |
747 | 117 | else if(curl_strnequal("__Host-", co->name, 7)) |
748 | 4 | co->prefix_host = TRUE; |
749 | 119 | } |
750 | 119 | break; |
751 | 119 | case 6: |
752 | 23 | co->value = Curl_memdup0(ptr, len); |
753 | 23 | if(!co->value) |
754 | 0 | return CURLE_OUT_OF_MEMORY; |
755 | 23 | break; |
756 | 4.42k | } |
757 | 4.42k | } |
758 | 297 | if(fields == 6) { |
759 | | /* we got a cookie with blank contents, fix it */ |
760 | 96 | co->value = curlx_strdup(""); |
761 | 96 | if(!co->value) |
762 | 0 | return CURLE_OUT_OF_MEMORY; |
763 | 96 | else |
764 | 96 | fields++; |
765 | 96 | } |
766 | | |
767 | 297 | if(fields != 7) |
768 | | /* we did not find the sufficient number of fields */ |
769 | 194 | return CURLE_OK; |
770 | | |
771 | 103 | *okay = TRUE; |
772 | 103 | return CURLE_OK; |
773 | 297 | } |
774 | | |
775 | | static bool is_public_suffix(struct Curl_easy *data, |
776 | | struct Cookie *co, |
777 | | const char *domain) |
778 | 1.36k | { |
779 | | #ifdef USE_LIBPSL |
780 | | /* |
781 | | * Check if the domain is a Public Suffix and if yes, ignore the cookie. We |
782 | | * must also check that the data handle is not NULL since the psl code will |
783 | | * dereference it. |
784 | | */ |
785 | | DEBUGF(infof(data, "PSL check set-cookie '%s' for domain=%s in %s", |
786 | | co->name, co->domain, domain)); |
787 | | if(data && (domain && co->domain && !Curl_host_is_ipnum(co->domain))) { |
788 | | bool acceptable = FALSE; |
789 | | char lcase[256]; |
790 | | char lcookie[256]; |
791 | | size_t dlen = strlen(domain); |
792 | | size_t clen = strlen(co->domain); |
793 | | if((dlen < sizeof(lcase)) && (clen < sizeof(lcookie))) { |
794 | | const psl_ctx_t *psl = Curl_psl_use(data); |
795 | | if(psl) { |
796 | | /* the PSL check requires lowercase domain name and pattern */ |
797 | | Curl_strntolower(lcase, domain, dlen + 1); |
798 | | Curl_strntolower(lcookie, co->domain, clen + 1); |
799 | | acceptable = psl_is_cookie_domain_acceptable(psl, lcase, lcookie); |
800 | | Curl_psl_release(data); |
801 | | } |
802 | | else |
803 | | infof(data, "libpsl problem, rejecting cookie for safety"); |
804 | | } |
805 | | |
806 | | if(!acceptable) { |
807 | | infof(data, "cookie '%s' dropped, domain '%s' must not " |
808 | | "set cookies for '%s'", co->name, domain, co->domain); |
809 | | return TRUE; |
810 | | } |
811 | | } |
812 | | #else |
813 | 1.36k | (void)data; |
814 | 1.36k | (void)co; |
815 | 1.36k | (void)domain; |
816 | 1.36k | DEBUGF(infof(data, "NO PSL to check set-cookie '%s' for domain=%s in %s", |
817 | 1.36k | co->name, co->domain, domain)); |
818 | 1.36k | #endif |
819 | 1.36k | return FALSE; |
820 | 1.36k | } |
821 | | |
822 | | /* returns TRUE when replaced */ |
823 | | static bool replace_existing(struct Curl_easy *data, |
824 | | struct Cookie *co, |
825 | | struct CookieInfo *ci, |
826 | | bool secure, |
827 | | bool *replacep) |
828 | 1.36k | { |
829 | 1.36k | bool replace_old = FALSE; |
830 | 1.36k | struct Curl_llist_node *replace_n = NULL; |
831 | 1.36k | struct Curl_llist_node *n; |
832 | 1.36k | size_t myhash = cookiehash(co->domain); |
833 | 1.36k | for(n = Curl_llist_head(&ci->cookielist[myhash]); n; n = Curl_node_next(n)) { |
834 | 0 | struct Cookie *clist = Curl_node_elem(n); |
835 | 0 | if(!strcmp(clist->name, co->name)) { |
836 | | /* the names are identical */ |
837 | 0 | bool matching_domains = FALSE; |
838 | |
|
839 | 0 | if(clist->domain && co->domain) { |
840 | 0 | if(curl_strequal(clist->domain, co->domain)) |
841 | | /* The domains are identical */ |
842 | 0 | matching_domains = TRUE; |
843 | 0 | } |
844 | 0 | else if(!clist->domain && !co->domain) |
845 | 0 | matching_domains = TRUE; |
846 | |
|
847 | 0 | if(matching_domains && /* the domains were identical */ |
848 | 0 | clist->path && co->path && /* both have paths */ |
849 | 0 | clist->secure && !co->secure && !secure) { |
850 | 0 | size_t cllen; |
851 | 0 | const char *sep = NULL; |
852 | | |
853 | | /* |
854 | | * A non-secure cookie may not overlay an existing secure cookie. |
855 | | * For an existing cookie "a" with path "/login", refuse a new |
856 | | * cookie "a" with for example path "/login/en", while the path |
857 | | * "/loginhelper" is ok. |
858 | | */ |
859 | |
|
860 | 0 | DEBUGASSERT(clist->path[0]); |
861 | 0 | if(clist->path[0]) |
862 | 0 | sep = strchr(clist->path + 1, '/'); |
863 | 0 | if(sep) |
864 | 0 | cllen = sep - clist->path; |
865 | 0 | else |
866 | 0 | cllen = strlen(clist->path); |
867 | |
|
868 | 0 | if(curl_strnequal(clist->path, co->path, cllen)) { |
869 | 0 | infof(data, "cookie '%s' for domain '%s' dropped, would " |
870 | 0 | "overlay an existing cookie", co->name, co->domain); |
871 | 0 | return FALSE; |
872 | 0 | } |
873 | 0 | } |
874 | 0 | } |
875 | | |
876 | 0 | if(!replace_n && !strcmp(clist->name, co->name)) { |
877 | | /* the names are identical */ |
878 | |
|
879 | 0 | if(clist->domain && co->domain) { |
880 | 0 | if(curl_strequal(clist->domain, co->domain) && |
881 | 0 | (clist->tailmatch == co->tailmatch)) |
882 | | /* The domains are identical */ |
883 | 0 | replace_old = TRUE; |
884 | 0 | } |
885 | 0 | else if(!clist->domain && !co->domain) |
886 | 0 | replace_old = TRUE; |
887 | |
|
888 | 0 | if(replace_old) { |
889 | | /* the domains were identical */ |
890 | |
|
891 | 0 | if(clist->path && co->path && |
892 | 0 | !curl_strequal(clist->path, co->path)) |
893 | 0 | replace_old = FALSE; |
894 | 0 | else if(!clist->path != !co->path) |
895 | 0 | replace_old = FALSE; |
896 | 0 | } |
897 | |
|
898 | 0 | if(replace_old && !co->livecookie && clist->livecookie) { |
899 | | /* |
900 | | * Both cookies matched fine, except that the already present cookie |
901 | | * is "live", which means it was set from a header, while the new one |
902 | | * was read from a file and thus is not "live". "live" cookies are |
903 | | * preferred so the new cookie is freed. |
904 | | */ |
905 | 0 | return FALSE; |
906 | 0 | } |
907 | 0 | if(replace_old) |
908 | 0 | replace_n = n; |
909 | 0 | } |
910 | 0 | } |
911 | 1.36k | if(replace_n) { |
912 | 0 | struct Cookie *repl = Curl_node_elem(replace_n); |
913 | | |
914 | | /* when replacing, creationtime is kept from old */ |
915 | 0 | co->creationtime = repl->creationtime; |
916 | | |
917 | | /* unlink the old */ |
918 | 0 | Curl_node_remove(replace_n); |
919 | | |
920 | | /* free the old cookie */ |
921 | 0 | freecookie(repl, TRUE); |
922 | 0 | } |
923 | 1.36k | *replacep = replace_old; |
924 | 1.36k | return TRUE; |
925 | 1.36k | } |
926 | | |
927 | | /* |
928 | | * Curl_cookie_add |
929 | | * |
930 | | * Add a single cookie line to the cookie keeping object. Be aware that |
931 | | * sometimes we get an IP-only hostname, and that might also be a numerical |
932 | | * IPv6 address. |
933 | | * |
934 | | */ |
935 | | CURLcode |
936 | | Curl_cookie_add(struct Curl_easy *data, |
937 | | struct CookieInfo *ci, |
938 | | bool httpheader, /* TRUE if HTTP header-style line */ |
939 | | bool noexpire, /* if TRUE, skip remove_expired() */ |
940 | | const char *lineptr, /* first character of the line */ |
941 | | const char *domain, /* default domain */ |
942 | | const char *path, /* full path used when this cookie is set, |
943 | | used to get default path for the cookie |
944 | | unless set */ |
945 | | bool secure) /* TRUE if connection is over secure origin */ |
946 | 1.78k | { |
947 | 1.78k | struct Cookie comem; |
948 | 1.78k | struct Cookie *co; |
949 | 1.78k | size_t myhash; |
950 | 1.78k | CURLcode result; |
951 | 1.78k | bool replaces = FALSE; |
952 | 1.78k | bool okay; |
953 | | |
954 | 1.78k | DEBUGASSERT(data); |
955 | 1.78k | DEBUGASSERT(MAX_SET_COOKIE_AMOUNT <= 255); /* counter is an unsigned char */ |
956 | 1.78k | if(data->req.setcookies >= MAX_SET_COOKIE_AMOUNT) |
957 | 0 | return CURLE_OK; /* silently ignore */ |
958 | | |
959 | 1.78k | co = &comem; |
960 | 1.78k | memset(co, 0, sizeof(comem)); |
961 | | |
962 | 1.78k | if(httpheader) |
963 | 1.33k | result = parse_cookie_header(data, co, ci, &okay, |
964 | 1.33k | lineptr, domain, path, secure); |
965 | 452 | else |
966 | 452 | result = parse_netscape(co, ci, &okay, lineptr, secure); |
967 | | |
968 | 1.78k | if(result || !okay) |
969 | 411 | goto fail; |
970 | | |
971 | 1.37k | if(co->prefix_secure && !co->secure) |
972 | | /* The __Secure- prefix only requires that the cookie be set secure */ |
973 | 4 | goto fail; |
974 | | |
975 | 1.36k | if(co->prefix_host) { |
976 | | /* |
977 | | * The __Host- prefix requires the cookie to be secure, have a "/" path |
978 | | * and not have a domain set. |
979 | | */ |
980 | 8 | if(co->secure && co->path && !strcmp(co->path, "/") && !co->tailmatch) |
981 | 1 | ; |
982 | 7 | else |
983 | 7 | goto fail; |
984 | 8 | } |
985 | | |
986 | 1.36k | if(!ci->running && /* read from a file */ |
987 | 1.36k | ci->newsession && /* clean session cookies */ |
988 | 0 | !co->expires) /* this is a session cookie */ |
989 | 0 | goto fail; |
990 | | |
991 | 1.36k | co->livecookie = ci->running; |
992 | 1.36k | co->creationtime = ++ci->lastct; |
993 | | |
994 | | /* |
995 | | * Now we have parsed the incoming line, we must now check if this supersedes |
996 | | * an already existing cookie, which it may if the previous have the same |
997 | | * domain and path as this. |
998 | | */ |
999 | | |
1000 | | /* remove expired cookies */ |
1001 | 1.36k | if(!noexpire) |
1002 | 1.36k | remove_expired(ci); |
1003 | | |
1004 | 1.36k | if(is_public_suffix(data, co, domain)) |
1005 | 0 | goto fail; |
1006 | | |
1007 | 1.36k | if(!replace_existing(data, co, ci, secure, &replaces)) |
1008 | 0 | goto fail; |
1009 | | |
1010 | | /* clone the stack struct into heap */ |
1011 | 1.36k | co = Curl_memdup(&comem, sizeof(comem)); |
1012 | 1.36k | if(!co) { |
1013 | 0 | co = &comem; |
1014 | 0 | result = CURLE_OUT_OF_MEMORY; |
1015 | 0 | goto fail; /* bail out if we are this low on memory */ |
1016 | 0 | } |
1017 | | |
1018 | | /* add this cookie to the list */ |
1019 | 1.36k | myhash = cookiehash(co->domain); |
1020 | 1.36k | Curl_llist_append(&ci->cookielist[myhash], co, &co->node); |
1021 | | |
1022 | 1.36k | if(ci->running) |
1023 | | /* Only show this when NOT reading the cookies from a file */ |
1024 | 0 | infof(data, "%s cookie %s=\"%s\" for domain %s, path %s, " |
1025 | 1.36k | "expire %" FMT_OFF_T, |
1026 | 1.36k | replaces ? "Replaced" : "Added", co->name, co->value, |
1027 | 1.36k | co->domain, co->path, co->expires); |
1028 | | |
1029 | 1.36k | if(!replaces) |
1030 | 1.36k | ci->numcookies++; /* one more cookie in the jar */ |
1031 | | |
1032 | | /* |
1033 | | * Now that we have added a new cookie to the jar, update the expiration |
1034 | | * tracker in case it is the next one to expire. |
1035 | | */ |
1036 | 1.36k | if(co->expires && (co->expires < ci->next_expiration)) |
1037 | 332 | ci->next_expiration = co->expires; |
1038 | | |
1039 | 1.36k | if(httpheader) |
1040 | 1.26k | data->req.setcookies++; |
1041 | | |
1042 | 1.36k | return result; |
1043 | 422 | fail: |
1044 | 422 | freecookie(co, FALSE); |
1045 | 422 | return result; |
1046 | 1.36k | } |
1047 | | |
1048 | | /* |
1049 | | * Curl_cookie_init() |
1050 | | * |
1051 | | * Inits a cookie struct to read data from a local file. This is always |
1052 | | * called before any cookies are set. File may be NULL in which case only the |
1053 | | * struct is initialized. Is file is "-" then STDIN is read. |
1054 | | * |
1055 | | * If 'newsession' is TRUE, discard all "session cookies" on read from file. |
1056 | | * |
1057 | | * Note that 'data' might be called as NULL pointer. If data is NULL, 'file' |
1058 | | * will be ignored. |
1059 | | * |
1060 | | * Returns NULL on out of memory. |
1061 | | */ |
1062 | | struct CookieInfo *Curl_cookie_init(void) |
1063 | 3.94k | { |
1064 | 3.94k | int i; |
1065 | 3.94k | struct CookieInfo *ci = curlx_calloc(1, sizeof(struct CookieInfo)); |
1066 | 3.94k | if(!ci) |
1067 | 0 | return NULL; |
1068 | | |
1069 | | /* This does not use the destructor callback since we want to add |
1070 | | and remove to lists while keeping the cookie struct intact */ |
1071 | 252k | for(i = 0; i < COOKIE_HASH_SIZE; i++) |
1072 | 248k | Curl_llist_init(&ci->cookielist[i], NULL); |
1073 | | /* |
1074 | | * Initialize the next_expiration time to signal that we do not have enough |
1075 | | * information yet. |
1076 | | */ |
1077 | 3.94k | ci->next_expiration = CURL_OFF_T_MAX; |
1078 | | |
1079 | 3.94k | return ci; |
1080 | 3.94k | } |
1081 | | |
1082 | | /* |
1083 | | * cookie_load() |
1084 | | * |
1085 | | * Reads cookies from a local file. This is always called before any cookies |
1086 | | * are set. If file is "-" then STDIN is read. |
1087 | | * |
1088 | | * If 'newsession' is TRUE, discard all "session cookies" on read from file. |
1089 | | * |
1090 | | */ |
1091 | | static CURLcode cookie_load(struct Curl_easy *data, const char *file, |
1092 | | struct CookieInfo *ci, bool newsession) |
1093 | 0 | { |
1094 | 0 | FILE *handle = NULL; |
1095 | 0 | CURLcode result = CURLE_OK; |
1096 | 0 | FILE *fp = NULL; |
1097 | 0 | DEBUGASSERT(ci); |
1098 | 0 | DEBUGASSERT(data); |
1099 | 0 | DEBUGASSERT(file); |
1100 | |
|
1101 | 0 | ci->newsession = newsession; /* new session? */ |
1102 | 0 | ci->running = FALSE; /* this is not running, this is init */ |
1103 | |
|
1104 | 0 | if(file && *file) { |
1105 | 0 | if(!strcmp(file, "-")) |
1106 | 0 | fp = stdin; |
1107 | 0 | else { |
1108 | 0 | fp = curlx_fopen(file, "rb"); |
1109 | 0 | if(!fp) |
1110 | 0 | infof(data, "WARNING: failed to open cookie file \"%s\"", file); |
1111 | 0 | else |
1112 | 0 | handle = fp; |
1113 | 0 | } |
1114 | 0 | } |
1115 | |
|
1116 | 0 | if(fp) { |
1117 | 0 | struct dynbuf buf; |
1118 | 0 | bool eof = FALSE; |
1119 | 0 | curlx_dyn_init(&buf, MAX_COOKIE_LINE); |
1120 | 0 | do { |
1121 | 0 | result = Curl_get_line(&buf, fp, &eof); |
1122 | 0 | if(!result) { |
1123 | 0 | const char *lineptr = curlx_dyn_ptr(&buf); |
1124 | 0 | bool headerline = FALSE; |
1125 | 0 | if(checkprefix("Set-Cookie:", lineptr)) { |
1126 | | /* This is a cookie line, get it! */ |
1127 | 0 | lineptr += 11; |
1128 | 0 | headerline = TRUE; |
1129 | 0 | curlx_str_passblanks(&lineptr); |
1130 | 0 | } |
1131 | |
|
1132 | 0 | result = Curl_cookie_add(data, ci, headerline, TRUE, lineptr, NULL, |
1133 | 0 | NULL, TRUE); |
1134 | | /* File reading cookie failures are not propagated back to the |
1135 | | caller because there is no way to do that */ |
1136 | 0 | } |
1137 | 0 | } while(!result && !eof); |
1138 | 0 | curlx_dyn_free(&buf); /* free the line buffer */ |
1139 | | |
1140 | | /* |
1141 | | * Remove expired cookies from the hash. We must make sure to run this |
1142 | | * after reading the file, and not on every cookie. |
1143 | | */ |
1144 | 0 | remove_expired(ci); |
1145 | |
|
1146 | 0 | if(handle) |
1147 | 0 | curlx_fclose(handle); |
1148 | 0 | } |
1149 | 0 | data->state.cookie_engine = TRUE; |
1150 | 0 | ci->running = TRUE; /* now, we are running */ |
1151 | |
|
1152 | 0 | return result; |
1153 | 0 | } |
1154 | | |
1155 | | /* |
1156 | | * Load cookies from all given cookie files (CURLOPT_COOKIEFILE). |
1157 | | */ |
1158 | | CURLcode Curl_cookie_loadfiles(struct Curl_easy *data) |
1159 | 1 | { |
1160 | 1 | CURLcode result = CURLE_OK; |
1161 | 1 | struct curl_slist *list = data->state.cookielist; |
1162 | 1 | if(list) { |
1163 | 0 | Curl_share_lock(data, CURL_LOCK_DATA_COOKIE, CURL_LOCK_ACCESS_SINGLE); |
1164 | 0 | if(!data->cookies) |
1165 | 0 | data->cookies = Curl_cookie_init(); |
1166 | 0 | if(!data->cookies) |
1167 | 0 | result = CURLE_OUT_OF_MEMORY; |
1168 | 0 | else { |
1169 | 0 | data->state.cookie_engine = TRUE; |
1170 | 0 | while(list) { |
1171 | 0 | result = cookie_load(data, list->data, data->cookies, |
1172 | 0 | data->set.cookiesession); |
1173 | 0 | if(result) |
1174 | 0 | break; |
1175 | 0 | list = list->next; |
1176 | 0 | } |
1177 | 0 | } |
1178 | 0 | Curl_share_unlock(data, CURL_LOCK_DATA_COOKIE); |
1179 | 0 | } |
1180 | 1 | return result; |
1181 | 1 | } |
1182 | | |
1183 | | /* |
1184 | | * cookie_sort |
1185 | | * |
1186 | | * Helper function to sort cookies such that the longest path gets before the |
1187 | | * shorter path. Path, domain and name lengths are considered in that order, |
1188 | | * with the creationtime as the tiebreaker. The creationtime is guaranteed to |
1189 | | * be unique per cookie, so we know we will get an ordering at that point. |
1190 | | */ |
1191 | | static int cookie_sort(const void *p1, const void *p2) |
1192 | 0 | { |
1193 | 0 | const struct Cookie *c1 = *(const struct Cookie * const *)p1; |
1194 | 0 | const struct Cookie *c2 = *(const struct Cookie * const *)p2; |
1195 | 0 | size_t l1, l2; |
1196 | | |
1197 | | /* 1 - compare cookie path lengths */ |
1198 | 0 | l1 = c1->path ? strlen(c1->path) : 0; |
1199 | 0 | l2 = c2->path ? strlen(c2->path) : 0; |
1200 | |
|
1201 | 0 | if(l1 != l2) |
1202 | 0 | return (l2 > l1) ? 1 : -1; /* avoid size_t <=> int conversions */ |
1203 | | |
1204 | | /* 2 - compare cookie domain lengths */ |
1205 | 0 | l1 = c1->domain ? strlen(c1->domain) : 0; |
1206 | 0 | l2 = c2->domain ? strlen(c2->domain) : 0; |
1207 | |
|
1208 | 0 | if(l1 != l2) |
1209 | 0 | return (l2 > l1) ? 1 : -1; /* avoid size_t <=> int conversions */ |
1210 | | |
1211 | | /* 3 - compare cookie name lengths */ |
1212 | 0 | l1 = c1->name ? strlen(c1->name) : 0; |
1213 | 0 | l2 = c2->name ? strlen(c2->name) : 0; |
1214 | |
|
1215 | 0 | if(l1 != l2) |
1216 | 0 | return (l2 > l1) ? 1 : -1; |
1217 | | |
1218 | | /* 4 - compare cookie creation time */ |
1219 | 0 | return (c2->creationtime > c1->creationtime) ? 1 : -1; |
1220 | 0 | } |
1221 | | |
1222 | | /* |
1223 | | * cookie_sort_ct |
1224 | | * |
1225 | | * Helper function to sort cookies according to creation time. |
1226 | | */ |
1227 | | static int cookie_sort_ct(const void *p1, const void *p2) |
1228 | 0 | { |
1229 | 0 | const struct Cookie *c1 = *(const struct Cookie * const *)p1; |
1230 | 0 | const struct Cookie *c2 = *(const struct Cookie * const *)p2; |
1231 | |
|
1232 | 0 | return (c2->creationtime > c1->creationtime) ? 1 : -1; |
1233 | 0 | } |
1234 | | |
1235 | | bool Curl_secure_context(struct connectdata *conn, const char *host) |
1236 | 0 | { |
1237 | 0 | return conn->handler->protocol & (CURLPROTO_HTTPS | CURLPROTO_WSS) || |
1238 | 0 | curl_strequal("localhost", host) || |
1239 | 0 | !strcmp(host, "127.0.0.1") || |
1240 | 0 | !strcmp(host, "::1"); |
1241 | 0 | } |
1242 | | |
1243 | | /* |
1244 | | * Curl_cookie_getlist |
1245 | | * |
1246 | | * For a given host and path, return a linked list of cookies that the client |
1247 | | * should send to the server if used now. The secure boolean informs the cookie |
1248 | | * if a secure connection is achieved or not. |
1249 | | * |
1250 | | * It shall only return cookies that have not expired. |
1251 | | * |
1252 | | * 'okay' is TRUE when there is a list returned. |
1253 | | */ |
1254 | | CURLcode Curl_cookie_getlist(struct Curl_easy *data, |
1255 | | struct connectdata *conn, |
1256 | | bool *okay, |
1257 | | const char *host, |
1258 | | struct Curl_llist *list) |
1259 | 0 | { |
1260 | 0 | size_t matches = 0; |
1261 | 0 | const bool is_ip = Curl_host_is_ipnum(host); |
1262 | 0 | const size_t myhash = cookiehash(host); |
1263 | 0 | struct Curl_llist_node *n; |
1264 | 0 | const bool secure = Curl_secure_context(conn, host); |
1265 | 0 | struct CookieInfo *ci = data->cookies; |
1266 | 0 | const char *path = data->state.up.path; |
1267 | 0 | CURLcode result = CURLE_OK; |
1268 | 0 | *okay = FALSE; |
1269 | |
|
1270 | 0 | Curl_llist_init(list, NULL); |
1271 | |
|
1272 | 0 | if(!ci || !Curl_llist_count(&ci->cookielist[myhash])) |
1273 | 0 | return CURLE_OK; /* no cookie struct or no cookies in the struct */ |
1274 | | |
1275 | | /* at first, remove expired cookies */ |
1276 | 0 | remove_expired(ci); |
1277 | |
|
1278 | 0 | for(n = Curl_llist_head(&ci->cookielist[myhash]); n; n = Curl_node_next(n)) { |
1279 | 0 | struct Cookie *co = Curl_node_elem(n); |
1280 | | |
1281 | | /* if the cookie requires we are secure we must only continue if we are! */ |
1282 | 0 | if(co->secure ? secure : TRUE) { |
1283 | | |
1284 | | /* now check if the domain is correct */ |
1285 | 0 | if(!co->domain || |
1286 | 0 | (co->tailmatch && !is_ip && |
1287 | 0 | cookie_tailmatch(co->domain, strlen(co->domain), host)) || |
1288 | 0 | ((!co->tailmatch || is_ip) && curl_strequal(host, co->domain))) { |
1289 | | /* |
1290 | | * the right part of the host matches the domain stuff in the |
1291 | | * cookie data |
1292 | | */ |
1293 | | |
1294 | | /* |
1295 | | * now check the left part of the path with the cookies path |
1296 | | * requirement |
1297 | | */ |
1298 | 0 | if(!co->path || pathmatch(co->path, path)) { |
1299 | | |
1300 | | /* |
1301 | | * This is a match and we add it to the return-linked-list |
1302 | | */ |
1303 | 0 | Curl_llist_append(list, co, &co->getnode); |
1304 | 0 | matches++; |
1305 | 0 | if(matches >= MAX_COOKIE_SEND_AMOUNT) { |
1306 | 0 | infof(data, "Included max number of cookies (%zu) in request!", |
1307 | 0 | matches); |
1308 | 0 | break; |
1309 | 0 | } |
1310 | 0 | } |
1311 | 0 | } |
1312 | 0 | } |
1313 | 0 | } |
1314 | |
|
1315 | 0 | if(matches) { |
1316 | | /* |
1317 | | * Now we need to make sure that if there is a name appearing more than |
1318 | | * once, the longest specified path version comes first. To make this |
1319 | | * the swiftest way, we just sort them all based on path length. |
1320 | | */ |
1321 | 0 | struct Cookie **array; |
1322 | 0 | size_t i; |
1323 | | |
1324 | | /* alloc an array and store all cookie pointers */ |
1325 | 0 | array = curlx_malloc(sizeof(struct Cookie *) * matches); |
1326 | 0 | if(!array) { |
1327 | 0 | result = CURLE_OUT_OF_MEMORY; |
1328 | 0 | goto fail; |
1329 | 0 | } |
1330 | | |
1331 | 0 | n = Curl_llist_head(list); |
1332 | |
|
1333 | 0 | for(i = 0; n; n = Curl_node_next(n)) |
1334 | 0 | array[i++] = Curl_node_elem(n); |
1335 | | |
1336 | | /* now sort the cookie pointers in path length order */ |
1337 | 0 | qsort(array, matches, sizeof(struct Cookie *), cookie_sort); |
1338 | | |
1339 | | /* remake the linked list order according to the new order */ |
1340 | 0 | Curl_llist_destroy(list, NULL); |
1341 | |
|
1342 | 0 | for(i = 0; i < matches; i++) |
1343 | 0 | Curl_llist_append(list, array[i], &array[i]->getnode); |
1344 | |
|
1345 | 0 | curlx_free(array); /* remove the temporary data again */ |
1346 | 0 | } |
1347 | | |
1348 | 0 | *okay = TRUE; |
1349 | 0 | return CURLE_OK; /* success */ |
1350 | | |
1351 | 0 | fail: |
1352 | | /* failure, clear up the allocated chain and return NULL */ |
1353 | 0 | Curl_llist_destroy(list, NULL); |
1354 | 0 | return result; /* error */ |
1355 | 0 | } |
1356 | | |
1357 | | /* |
1358 | | * Curl_cookie_clearall |
1359 | | * |
1360 | | * Clear all existing cookies and reset the counter. |
1361 | | */ |
1362 | | void Curl_cookie_clearall(struct CookieInfo *ci) |
1363 | 3.94k | { |
1364 | 3.94k | if(ci) { |
1365 | 3.94k | unsigned int i; |
1366 | 252k | for(i = 0; i < COOKIE_HASH_SIZE; i++) { |
1367 | 248k | struct Curl_llist_node *n; |
1368 | 249k | for(n = Curl_llist_head(&ci->cookielist[i]); n;) { |
1369 | 1.36k | struct Cookie *c = Curl_node_elem(n); |
1370 | 1.36k | struct Curl_llist_node *e = Curl_node_next(n); |
1371 | 1.36k | Curl_node_remove(n); |
1372 | 1.36k | freecookie(c, TRUE); |
1373 | 1.36k | n = e; |
1374 | 1.36k | } |
1375 | 248k | } |
1376 | 3.94k | ci->numcookies = 0; |
1377 | 3.94k | } |
1378 | 3.94k | } |
1379 | | |
1380 | | /* |
1381 | | * Curl_cookie_clearsess |
1382 | | * |
1383 | | * Free all session cookies in the cookies list. |
1384 | | */ |
1385 | | void Curl_cookie_clearsess(struct CookieInfo *ci) |
1386 | 1 | { |
1387 | 1 | unsigned int i; |
1388 | | |
1389 | 1 | if(!ci) |
1390 | 1 | return; |
1391 | | |
1392 | 0 | for(i = 0; i < COOKIE_HASH_SIZE; i++) { |
1393 | 0 | struct Curl_llist_node *n = Curl_llist_head(&ci->cookielist[i]); |
1394 | 0 | struct Curl_llist_node *e = NULL; |
1395 | |
|
1396 | 0 | for(; n; n = e) { |
1397 | 0 | struct Cookie *curr = Curl_node_elem(n); |
1398 | 0 | e = Curl_node_next(n); /* in case the node is removed, get it early */ |
1399 | 0 | if(!curr->expires) { |
1400 | 0 | Curl_node_remove(n); |
1401 | 0 | freecookie(curr, TRUE); |
1402 | 0 | ci->numcookies--; |
1403 | 0 | } |
1404 | 0 | } |
1405 | 0 | } |
1406 | 0 | } |
1407 | | |
1408 | | /* |
1409 | | * Curl_cookie_cleanup() |
1410 | | * |
1411 | | * Free a "cookie object" previous created with Curl_cookie_init(). |
1412 | | */ |
1413 | | void Curl_cookie_cleanup(struct CookieInfo *ci) |
1414 | 3.94k | { |
1415 | 3.94k | if(ci) { |
1416 | 3.94k | Curl_cookie_clearall(ci); |
1417 | 3.94k | curlx_free(ci); /* free the base struct as well */ |
1418 | 3.94k | } |
1419 | 3.94k | } |
1420 | | |
1421 | | /* |
1422 | | * get_netscape_format() |
1423 | | * |
1424 | | * Formats a string for Netscape output file, w/o a newline at the end. |
1425 | | * Function returns a char * to a formatted line. The caller is responsible |
1426 | | * for freeing the returned pointer. |
1427 | | */ |
1428 | | static char *get_netscape_format(const struct Cookie *co) |
1429 | 0 | { |
1430 | 0 | return curl_maprintf( |
1431 | 0 | "%s" /* httponly preamble */ |
1432 | 0 | "%s%s\t" /* domain */ |
1433 | 0 | "%s\t" /* tailmatch */ |
1434 | 0 | "%s\t" /* path */ |
1435 | 0 | "%s\t" /* secure */ |
1436 | 0 | "%" FMT_OFF_T "\t" /* expires */ |
1437 | 0 | "%s\t" /* name */ |
1438 | 0 | "%s", /* value */ |
1439 | 0 | co->httponly ? "#HttpOnly_" : "", |
1440 | | /* |
1441 | | * Make sure all domains are prefixed with a dot if they allow |
1442 | | * tailmatching. This is Mozilla-style. |
1443 | | */ |
1444 | 0 | (co->tailmatch && co->domain && co->domain[0] != '.') ? "." : "", |
1445 | 0 | co->domain ? co->domain : "unknown", |
1446 | 0 | co->tailmatch ? "TRUE" : "FALSE", |
1447 | 0 | co->path ? co->path : "/", |
1448 | 0 | co->secure ? "TRUE" : "FALSE", |
1449 | 0 | co->expires, |
1450 | 0 | co->name, |
1451 | 0 | co->value ? co->value : ""); |
1452 | 0 | } |
1453 | | |
1454 | | /* |
1455 | | * cookie_output() |
1456 | | * |
1457 | | * Writes all internally known cookies to the specified file. Specify |
1458 | | * "-" as filename to write to stdout. |
1459 | | * |
1460 | | * The function returns non-zero on write failure. |
1461 | | */ |
1462 | | static CURLcode cookie_output(struct Curl_easy *data, |
1463 | | struct CookieInfo *ci, |
1464 | | const char *filename) |
1465 | 0 | { |
1466 | 0 | FILE *out = NULL; |
1467 | 0 | bool use_stdout = FALSE; |
1468 | 0 | char *tempstore = NULL; |
1469 | 0 | CURLcode error = CURLE_OK; |
1470 | |
|
1471 | 0 | if(!ci) |
1472 | | /* no cookie engine alive */ |
1473 | 0 | return CURLE_OK; |
1474 | | |
1475 | | /* at first, remove expired cookies */ |
1476 | 0 | remove_expired(ci); |
1477 | |
|
1478 | 0 | if(!strcmp("-", filename)) { |
1479 | | /* use stdout */ |
1480 | 0 | out = stdout; |
1481 | 0 | use_stdout = TRUE; |
1482 | 0 | } |
1483 | 0 | else { |
1484 | 0 | error = Curl_fopen(data, filename, &out, &tempstore); |
1485 | 0 | if(error) |
1486 | 0 | goto error; |
1487 | 0 | } |
1488 | | |
1489 | 0 | fputs("# Netscape HTTP Cookie File\n" |
1490 | 0 | "# https://curl.se/docs/http-cookies.html\n" |
1491 | 0 | "# This file was generated by libcurl! Edit at your own risk.\n\n", |
1492 | 0 | out); |
1493 | |
|
1494 | 0 | if(ci->numcookies) { |
1495 | 0 | unsigned int i; |
1496 | 0 | size_t nvalid = 0; |
1497 | 0 | struct Cookie **array; |
1498 | 0 | struct Curl_llist_node *n; |
1499 | |
|
1500 | 0 | array = curlx_calloc(1, sizeof(struct Cookie *) * ci->numcookies); |
1501 | 0 | if(!array) { |
1502 | 0 | error = CURLE_OUT_OF_MEMORY; |
1503 | 0 | goto error; |
1504 | 0 | } |
1505 | | |
1506 | | /* only sort the cookies with a domain property */ |
1507 | 0 | for(i = 0; i < COOKIE_HASH_SIZE; i++) { |
1508 | 0 | for(n = Curl_llist_head(&ci->cookielist[i]); n; n = Curl_node_next(n)) { |
1509 | 0 | struct Cookie *co = Curl_node_elem(n); |
1510 | 0 | if(!co->domain) |
1511 | 0 | continue; |
1512 | 0 | array[nvalid++] = co; |
1513 | 0 | } |
1514 | 0 | } |
1515 | |
|
1516 | 0 | qsort(array, nvalid, sizeof(struct Cookie *), cookie_sort_ct); |
1517 | |
|
1518 | 0 | for(i = 0; i < nvalid; i++) { |
1519 | 0 | char *format_ptr = get_netscape_format(array[i]); |
1520 | 0 | if(!format_ptr) { |
1521 | 0 | curlx_free(array); |
1522 | 0 | error = CURLE_OUT_OF_MEMORY; |
1523 | 0 | goto error; |
1524 | 0 | } |
1525 | 0 | curl_mfprintf(out, "%s\n", format_ptr); |
1526 | 0 | curlx_free(format_ptr); |
1527 | 0 | } |
1528 | | |
1529 | 0 | curlx_free(array); |
1530 | 0 | } |
1531 | | |
1532 | 0 | if(!use_stdout) { |
1533 | 0 | curlx_fclose(out); |
1534 | 0 | out = NULL; |
1535 | 0 | if(tempstore && curlx_rename(tempstore, filename)) { |
1536 | 0 | error = CURLE_WRITE_ERROR; |
1537 | 0 | goto error; |
1538 | 0 | } |
1539 | 0 | } |
1540 | | |
1541 | | /* |
1542 | | * If we reach here we have successfully written a cookie file so there is |
1543 | | * no need to inspect the error, any error case should have jumped into the |
1544 | | * error block below. |
1545 | | */ |
1546 | 0 | curlx_free(tempstore); |
1547 | 0 | return CURLE_OK; |
1548 | | |
1549 | 0 | error: |
1550 | 0 | if(out && !use_stdout) |
1551 | 0 | curlx_fclose(out); |
1552 | 0 | if(tempstore) { |
1553 | 0 | unlink(tempstore); |
1554 | 0 | curlx_free(tempstore); |
1555 | 0 | } |
1556 | 0 | return error; |
1557 | 0 | } |
1558 | | |
1559 | | static struct curl_slist *cookie_list(struct Curl_easy *data) |
1560 | 0 | { |
1561 | 0 | struct curl_slist *list = NULL; |
1562 | 0 | struct curl_slist *beg; |
1563 | 0 | unsigned int i; |
1564 | 0 | struct Curl_llist_node *n; |
1565 | |
|
1566 | 0 | if(!data->cookies || (data->cookies->numcookies == 0)) |
1567 | 0 | return NULL; |
1568 | | |
1569 | | /* at first, remove expired cookies */ |
1570 | 0 | remove_expired(data->cookies); |
1571 | |
|
1572 | 0 | for(i = 0; i < COOKIE_HASH_SIZE; i++) { |
1573 | 0 | for(n = Curl_llist_head(&data->cookies->cookielist[i]); n; |
1574 | 0 | n = Curl_node_next(n)) { |
1575 | 0 | struct Cookie *c = Curl_node_elem(n); |
1576 | 0 | char *line; |
1577 | 0 | if(!c->domain) |
1578 | 0 | continue; |
1579 | 0 | line = get_netscape_format(c); |
1580 | 0 | if(!line) { |
1581 | 0 | curl_slist_free_all(list); |
1582 | 0 | return NULL; |
1583 | 0 | } |
1584 | 0 | beg = Curl_slist_append_nodup(list, line); |
1585 | 0 | if(!beg) { |
1586 | 0 | curlx_free(line); |
1587 | 0 | curl_slist_free_all(list); |
1588 | 0 | return NULL; |
1589 | 0 | } |
1590 | 0 | list = beg; |
1591 | 0 | } |
1592 | 0 | } |
1593 | | |
1594 | 0 | return list; |
1595 | 0 | } |
1596 | | |
1597 | | struct curl_slist *Curl_cookie_list(struct Curl_easy *data) |
1598 | 0 | { |
1599 | 0 | struct curl_slist *list; |
1600 | 0 | Curl_share_lock(data, CURL_LOCK_DATA_COOKIE, CURL_LOCK_ACCESS_SINGLE); |
1601 | 0 | list = cookie_list(data); |
1602 | 0 | Curl_share_unlock(data, CURL_LOCK_DATA_COOKIE); |
1603 | 0 | return list; |
1604 | 0 | } |
1605 | | |
1606 | | void Curl_flush_cookies(struct Curl_easy *data, bool cleanup) |
1607 | 6.14k | { |
1608 | 6.14k | Curl_share_lock(data, CURL_LOCK_DATA_COOKIE, CURL_LOCK_ACCESS_SINGLE); |
1609 | | /* only save the cookie file if a transfer was started (cookies->running is |
1610 | | set), as otherwise the cookies were not completely initialized and there |
1611 | | might be cookie files that were not loaded so saving the file is the |
1612 | | wrong thing. */ |
1613 | 6.14k | if(data->cookies) { |
1614 | 3.94k | if(data->set.str[STRING_COOKIEJAR] && data->cookies->running) { |
1615 | | /* if we have a destination file for all the cookies to get dumped to */ |
1616 | 0 | CURLcode result = cookie_output(data, data->cookies, |
1617 | 0 | data->set.str[STRING_COOKIEJAR]); |
1618 | 0 | if(result) |
1619 | 0 | infof(data, "WARNING: failed to save cookies in %s: %s", |
1620 | 0 | data->set.str[STRING_COOKIEJAR], curl_easy_strerror(result)); |
1621 | 0 | } |
1622 | | |
1623 | 3.94k | if(cleanup && (!data->share || (data->cookies != data->share->cookies))) { |
1624 | 3.94k | Curl_cookie_cleanup(data->cookies); |
1625 | 3.94k | data->cookies = NULL; |
1626 | 3.94k | } |
1627 | 3.94k | } |
1628 | 6.14k | Curl_share_unlock(data, CURL_LOCK_DATA_COOKIE); |
1629 | 6.14k | } |
1630 | | |
1631 | | void Curl_cookie_run(struct Curl_easy *data) |
1632 | 0 | { |
1633 | 0 | Curl_share_lock(data, CURL_LOCK_DATA_COOKIE, CURL_LOCK_ACCESS_SINGLE); |
1634 | 0 | if(data->cookies) |
1635 | 0 | data->cookies->running = TRUE; |
1636 | 0 | Curl_share_unlock(data, CURL_LOCK_DATA_COOKIE); |
1637 | 0 | } |
1638 | | |
1639 | | #endif /* CURL_DISABLE_HTTP || CURL_DISABLE_COOKIES */ |