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d9572179 | 1 | |
2 | /* | |
262a0e14 | 3 | * $Id$ |
d9572179 | 4 | * |
5 | * DEBUG: section 82 External ACL | |
6 | * AUTHOR: Henrik Nordstrom, MARA Systems AB | |
7 | * | |
8 | * SQUID Web Proxy Cache http://www.squid-cache.org/ | |
9 | * ---------------------------------------------------------- | |
10 | * | |
11 | * The contents of this file is Copyright (C) 2002 by MARA Systems AB, | |
12 | * Sweden, unless otherwise is indicated in the specific function. The | |
13 | * author gives his full permission to include this file into the Squid | |
14 | * software product under the terms of the GNU General Public License as | |
15 | * published by the Free Software Foundation; either version 2 of the | |
16 | * License, or (at your option) any later version. | |
17 | * | |
18 | * Squid is the result of efforts by numerous individuals from | |
19 | * the Internet community; see the CONTRIBUTORS file for full | |
20 | * details. Many organizations have provided support for Squid's | |
21 | * development; see the SPONSORS file for full details. Squid is | |
22 | * Copyrighted (C) 2001 by the Regents of the University of | |
23 | * California; see the COPYRIGHT file for full details. Squid | |
24 | * incorporates software developed and/or copyrighted by other | |
25 | * sources; see the CREDITS file for full details. | |
26 | * | |
27 | * This program is free software; you can redistribute it and/or modify | |
28 | * it under the terms of the GNU General Public License as published by | |
29 | * the Free Software Foundation; either version 2 of the License, or | |
30 | * (at your option) any later version. | |
26ac0430 | 31 | * |
d9572179 | 32 | * This program is distributed in the hope that it will be useful, |
33 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
34 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
35 | * GNU General Public License for more details. | |
26ac0430 | 36 | * |
d9572179 | 37 | * You should have received a copy of the GNU General Public License |
38 | * along with this program; if not, write to the Free Software | |
39 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. | |
40 | * | |
41 | */ | |
42 | ||
43 | #include "squid.h" | |
8822ebee | 44 | #include "mgr/Registration.h" |
225b7b10 | 45 | #include "ExternalACL.h" |
1e5562e3 | 46 | #include "ExternalACLEntry.h" |
2d2b0bb7 | 47 | #include "auth/UserRequest.h" |
985c86bc | 48 | #include "SquidTime.h" |
e6ccf245 | 49 | #include "Store.h" |
ecb04c8c | 50 | #include "fde.h" |
c0941a6a AR |
51 | #include "acl/FilledChecklist.h" |
52 | #include "acl/Acl.h" | |
3841dd46 | 53 | #if USE_IDENT |
4daaf3cb | 54 | #include "ident/AclIdent.h" |
3841dd46 | 55 | #endif |
055421ee | 56 | #include "ip/tools.h" |
a46d2c0e | 57 | #include "client_side.h" |
a2ac85d9 | 58 | #include "HttpRequest.h" |
7b0ca1e8 | 59 | #include "HttpReply.h" |
c0941a6a AR |
60 | #include "auth/Acl.h" |
61 | #include "auth/Gadgets.h" | |
aa839030 | 62 | #include "helper.h" |
0eb49b6d | 63 | #include "MemBuf.h" |
1fa9b1a7 | 64 | #include "rfc1738.h" |
985c86bc | 65 | #include "URLScheme.h" |
d295d770 | 66 | #include "wordlist.h" |
d9572179 | 67 | |
68 | #ifndef DEFAULT_EXTERNAL_ACL_TTL | |
69 | #define DEFAULT_EXTERNAL_ACL_TTL 1 * 60 * 60 | |
70 | #endif | |
d4f2f353 | 71 | #ifndef DEFAULT_EXTERNAL_ACL_CHILDREN |
72 | #define DEFAULT_EXTERNAL_ACL_CHILDREN 5 | |
d9572179 | 73 | #endif |
74 | ||
75 | typedef struct _external_acl_format external_acl_format; | |
62e76326 | 76 | |
c0941a6a | 77 | static char *makeExternalAclKey(ACLFilledChecklist * ch, external_acl_data * acl_data); |
d9572179 | 78 | static void external_acl_cache_delete(external_acl * def, external_acl_entry * entry); |
79 | static int external_acl_entry_expired(external_acl * def, external_acl_entry * entry); | |
47b0c1fa | 80 | static int external_acl_grace_expired(external_acl * def, external_acl_entry * entry); |
d9572179 | 81 | static void external_acl_cache_touch(external_acl * def, external_acl_entry * entry); |
1e5562e3 | 82 | static external_acl_entry *external_acl_cache_add(external_acl * def, const char *key, ExternalACLEntryData const &data); |
d9572179 | 83 | |
84 | /****************************************************************** | |
85 | * external_acl directive | |
86 | */ | |
62e76326 | 87 | |
1e5562e3 | 88 | class external_acl |
62e76326 | 89 | { |
1e5562e3 | 90 | |
91 | public: | |
d9572179 | 92 | external_acl *next; |
1e5562e3 | 93 | |
94 | void add | |
26ac0430 | 95 | (ExternalACLEntry *); |
1e5562e3 | 96 | |
97 | void trimCache(); | |
98 | ||
d9572179 | 99 | int ttl; |
1e5562e3 | 100 | |
d9572179 | 101 | int negative_ttl; |
1e5562e3 | 102 | |
47b0c1fa | 103 | int grace; |
104 | ||
d9572179 | 105 | char *name; |
1e5562e3 | 106 | |
d9572179 | 107 | external_acl_format *format; |
1e5562e3 | 108 | |
d9572179 | 109 | wordlist *cmdline; |
1e5562e3 | 110 | |
48d54e4d | 111 | HelperChildConfig children; |
07eca7e0 | 112 | |
e6ccf245 | 113 | helper *theHelper; |
1e5562e3 | 114 | |
d9572179 | 115 | hash_table *cache; |
1e5562e3 | 116 | |
d9572179 | 117 | dlink_list lru_list; |
1e5562e3 | 118 | |
d9572179 | 119 | int cache_size; |
1e5562e3 | 120 | |
d9572179 | 121 | int cache_entries; |
1e5562e3 | 122 | |
d9572179 | 123 | dlink_list queue; |
1e5562e3 | 124 | |
3265364b AJ |
125 | /** |
126 | * Configuration flag. May only be altered by the configuration parser. | |
127 | * | |
128 | * Indicates that all uses of this external_acl_type helper require authentication | |
129 | * details to be processed. If none are available its a fail match. | |
130 | */ | |
e870b1f8 | 131 | bool require_auth; |
dc1af3cf | 132 | |
26ac0430 | 133 | enum { |
dc1af3cf | 134 | QUOTE_METHOD_SHELL = 1, |
135 | QUOTE_METHOD_URL | |
2fadd50d | 136 | } quote; |
cc192b50 | 137 | |
b7ac5457 | 138 | Ip::Address local_addr; |
d9572179 | 139 | }; |
140 | ||
26ac0430 | 141 | struct _external_acl_format { |
4ecc6631 | 142 | enum format_type { |
62e76326 | 143 | EXT_ACL_UNKNOWN, |
144 | EXT_ACL_LOGIN, | |
7a16973f | 145 | #if USE_IDENT |
62e76326 | 146 | EXT_ACL_IDENT, |
7a16973f | 147 | #endif |
62e76326 | 148 | EXT_ACL_SRC, |
47b0c1fa | 149 | EXT_ACL_SRCPORT, |
a98c2da5 AJ |
150 | #if USE_SQUID_EUI |
151 | EXT_ACL_SRCEUI48, | |
152 | EXT_ACL_SRCEUI64, | |
153 | #endif | |
47b0c1fa | 154 | EXT_ACL_MYADDR, |
155 | EXT_ACL_MYPORT, | |
3cf6e9c5 | 156 | EXT_ACL_URI, |
62e76326 | 157 | EXT_ACL_DST, |
158 | EXT_ACL_PROTO, | |
159 | EXT_ACL_PORT, | |
160 | EXT_ACL_PATH, | |
161 | EXT_ACL_METHOD, | |
7b0ca1e8 AJ |
162 | |
163 | EXT_ACL_HEADER_REQUEST, | |
164 | EXT_ACL_HEADER_REQUEST_MEMBER, | |
165 | EXT_ACL_HEADER_REQUEST_ID, | |
166 | EXT_ACL_HEADER_REQUEST_ID_MEMBER, | |
167 | ||
168 | EXT_ACL_HEADER_REPLY, | |
169 | EXT_ACL_HEADER_REPLY_MEMBER, | |
170 | EXT_ACL_HEADER_REPLY_ID, | |
171 | EXT_ACL_HEADER_REPLY_ID_MEMBER, | |
172 | ||
a7ad6e4e | 173 | #if USE_SSL |
62e76326 | 174 | EXT_ACL_USER_CERT, |
175 | EXT_ACL_CA_CERT, | |
4ac9968f | 176 | EXT_ACL_USER_CERT_RAW, |
3d61c476 | 177 | EXT_ACL_USER_CERTCHAIN_RAW, |
a7ad6e4e | 178 | #endif |
abb929f0 | 179 | EXT_ACL_EXT_USER, |
62e76326 | 180 | EXT_ACL_END |
d9572179 | 181 | } type; |
182 | external_acl_format *next; | |
183 | char *header; | |
184 | char *member; | |
185 | char separator; | |
186 | http_hdr_type header_id; | |
187 | }; | |
188 | ||
189 | /* FIXME: These are not really cbdata, but it is an easy way | |
190 | * to get them pooled, refcounted, accounted and freed properly... | |
191 | */ | |
192 | CBDATA_TYPE(external_acl); | |
193 | CBDATA_TYPE(external_acl_format); | |
194 | ||
195 | static void | |
196 | free_external_acl_format(void *data) | |
197 | { | |
e6ccf245 | 198 | external_acl_format *p = static_cast<external_acl_format *>(data); |
d9572179 | 199 | safe_free(p->header); |
200 | } | |
201 | ||
202 | static void | |
203 | free_external_acl(void *data) | |
204 | { | |
e6ccf245 | 205 | external_acl *p = static_cast<external_acl *>(data); |
d9572179 | 206 | safe_free(p->name); |
62e76326 | 207 | |
d9572179 | 208 | while (p->format) { |
62e76326 | 209 | external_acl_format *f = p->format; |
210 | p->format = f->next; | |
211 | cbdataFree(f); | |
d9572179 | 212 | } |
62e76326 | 213 | |
d9572179 | 214 | wordlistDestroy(&p->cmdline); |
62e76326 | 215 | |
e6ccf245 | 216 | if (p->theHelper) { |
62e76326 | 217 | helperShutdown(p->theHelper); |
48d54e4d | 218 | delete p->theHelper; |
62e76326 | 219 | p->theHelper = NULL; |
d9572179 | 220 | } |
62e76326 | 221 | |
d9572179 | 222 | while (p->lru_list.tail) |
62e76326 | 223 | external_acl_cache_delete(p, static_cast<external_acl_entry *>(p->lru_list.tail->data)); |
d9572179 | 224 | if (p->cache) |
62e76326 | 225 | hashFreeMemory(p->cache); |
d9572179 | 226 | } |
227 | ||
7b0ca1e8 AJ |
228 | /** |
229 | * Parse the External ACL format %<{.*} and %>{.*} token(s) to pass a specific | |
230 | * request or reply header to external helper. | |
231 | * | |
232 | \param header - the token being parsed (without the identifying prefix) | |
233 | \param type - format enum identifier for this element, pulled from identifying prefix | |
234 | \param format - structure to contain all the info about this format element. | |
235 | */ | |
236 | void | |
4ecc6631 | 237 | parse_header_token(external_acl_format *format, char *header, const _external_acl_format::format_type type) |
7b0ca1e8 AJ |
238 | { |
239 | /* header format */ | |
240 | char *member, *end; | |
241 | ||
242 | /** Cut away the closing brace */ | |
243 | end = strchr(header, '}'); | |
244 | if (end && strlen(end) == 1) | |
245 | *end = '\0'; | |
246 | else | |
247 | self_destruct(); | |
248 | ||
249 | member = strchr(header, ':'); | |
250 | ||
251 | if (member) { | |
252 | /* Split in header and member */ | |
253 | *member++ = '\0'; | |
254 | ||
255 | if (!xisalnum(*member)) | |
256 | format->separator = *member++; | |
257 | else | |
258 | format->separator = ','; | |
259 | ||
260 | format->member = xstrdup(member); | |
261 | ||
26ac0430 | 262 | if (type == _external_acl_format::EXT_ACL_HEADER_REQUEST) |
7b0ca1e8 AJ |
263 | format->type = _external_acl_format::EXT_ACL_HEADER_REQUEST_MEMBER; |
264 | else | |
265 | format->type = _external_acl_format::EXT_ACL_HEADER_REQUEST_MEMBER; | |
266 | } else { | |
267 | format->type = type; | |
268 | } | |
269 | ||
270 | format->header = xstrdup(header); | |
271 | format->header_id = httpHeaderIdByNameDef(header, strlen(header)); | |
272 | ||
273 | if (format->header_id != -1) { | |
274 | if (member) { | |
26ac0430 | 275 | if (type == _external_acl_format::EXT_ACL_HEADER_REQUEST) |
7b0ca1e8 AJ |
276 | format->type = _external_acl_format::EXT_ACL_HEADER_REQUEST_ID_MEMBER; |
277 | else | |
278 | format->type = _external_acl_format::EXT_ACL_HEADER_REPLY_ID_MEMBER; | |
279 | } else { | |
26ac0430 | 280 | if (type == _external_acl_format::EXT_ACL_HEADER_REQUEST) |
7b0ca1e8 AJ |
281 | format->type = _external_acl_format::EXT_ACL_HEADER_REQUEST_ID; |
282 | else | |
283 | format->type = _external_acl_format::EXT_ACL_HEADER_REPLY_ID; | |
284 | } | |
285 | } | |
286 | } | |
287 | ||
d9572179 | 288 | void |
289 | parse_externalAclHelper(external_acl ** list) | |
290 | { | |
291 | external_acl *a; | |
292 | char *token; | |
293 | external_acl_format **p; | |
294 | ||
295 | CBDATA_INIT_TYPE_FREECB(external_acl, free_external_acl); | |
296 | CBDATA_INIT_TYPE_FREECB(external_acl_format, free_external_acl_format); | |
297 | ||
298 | a = cbdataAlloc(external_acl); | |
299 | ||
cc192b50 | 300 | /* set defaults */ |
d9572179 | 301 | a->ttl = DEFAULT_EXTERNAL_ACL_TTL; |
302 | a->negative_ttl = -1; | |
84f795a5 | 303 | a->cache_size = 256*1024; |
48d54e4d AJ |
304 | a->children.n_max = DEFAULT_EXTERNAL_ACL_CHILDREN; |
305 | a->children.n_startup = a->children.n_max; | |
404cfda1 | 306 | a->children.n_idle = 1; |
cc192b50 | 307 | a->local_addr.SetLocalhost(); |
308 | a->quote = external_acl::QUOTE_METHOD_URL; | |
309 | ||
d9572179 | 310 | token = strtok(NULL, w_space); |
62e76326 | 311 | |
d9572179 | 312 | if (!token) |
62e76326 | 313 | self_destruct(); |
314 | ||
d9572179 | 315 | a->name = xstrdup(token); |
316 | ||
317 | token = strtok(NULL, w_space); | |
62e76326 | 318 | |
d9572179 | 319 | /* Parse options */ |
320 | while (token) { | |
62e76326 | 321 | if (strncmp(token, "ttl=", 4) == 0) { |
322 | a->ttl = atoi(token + 4); | |
323 | } else if (strncmp(token, "negative_ttl=", 13) == 0) { | |
324 | a->negative_ttl = atoi(token + 13); | |
07eca7e0 | 325 | } else if (strncmp(token, "children=", 9) == 0) { |
48d54e4d AJ |
326 | a->children.n_max = atoi(token + 9); |
327 | debugs(0, 0, "WARNING: external_acl_type option children=N has been deprecated in favor of children-max=N and children-startup=N"); | |
328 | } else if (strncmp(token, "children-max=", 13) == 0) { | |
329 | a->children.n_max = atoi(token + 13); | |
330 | } else if (strncmp(token, "children-startup=", 17) == 0) { | |
331 | a->children.n_startup = atoi(token + 17); | |
332 | } else if (strncmp(token, "children-idle=", 14) == 0) { | |
333 | a->children.n_idle = atoi(token + 14); | |
07eca7e0 | 334 | } else if (strncmp(token, "concurrency=", 12) == 0) { |
48d54e4d | 335 | a->children.concurrency = atoi(token + 12); |
62e76326 | 336 | } else if (strncmp(token, "cache=", 6) == 0) { |
337 | a->cache_size = atoi(token + 6); | |
47b0c1fa | 338 | } else if (strncmp(token, "grace=", 6) == 0) { |
339 | a->grace = atoi(token + 6); | |
dc1af3cf | 340 | } else if (strcmp(token, "protocol=2.5") == 0) { |
341 | a->quote = external_acl::QUOTE_METHOD_SHELL; | |
342 | } else if (strcmp(token, "protocol=3.0") == 0) { | |
343 | a->quote = external_acl::QUOTE_METHOD_URL; | |
344 | } else if (strcmp(token, "quote=url") == 0) { | |
345 | a->quote = external_acl::QUOTE_METHOD_URL; | |
346 | } else if (strcmp(token, "quote=shell") == 0) { | |
347 | a->quote = external_acl::QUOTE_METHOD_SHELL; | |
cc192b50 | 348 | |
26ac0430 AJ |
349 | /* INET6: allow admin to configure some helpers explicitly to |
350 | bind to IPv4/v6 localhost port. */ | |
cc192b50 | 351 | } else if (strcmp(token, "ipv4") == 0) { |
26ac0430 | 352 | if ( !a->local_addr.SetIPv4() ) { |
cc192b50 | 353 | debugs(3, 0, "WARNING: Error converting " << a->local_addr << " to IPv4 in " << a->name ); |
354 | } | |
355 | } else if (strcmp(token, "ipv6") == 0) { | |
055421ee AJ |
356 | if (!Ip::EnableIpv6) |
357 | debugs(3, 0, "WARNING: --enable-ipv6 required for external ACL helpers to use IPv6: " << a->name ); | |
358 | // else nothing to do. | |
62e76326 | 359 | } else { |
360 | break; | |
361 | } | |
362 | ||
363 | token = strtok(NULL, w_space); | |
d9572179 | 364 | } |
62e76326 | 365 | |
6f78f0ed | 366 | /* check that child startup value is sane. */ |
a3cecd6c AJ |
367 | if (a->children.n_startup > a->children.n_max) |
368 | a->children.n_startup = a->children.n_max; | |
48d54e4d | 369 | |
6f78f0ed | 370 | /* check that child idle value is sane. */ |
a3cecd6c AJ |
371 | if (a->children.n_idle > a->children.n_max) |
372 | a->children.n_idle = a->children.n_max; | |
373 | if (a->children.n_idle < 1) | |
374 | a->children.n_idle = 1; | |
48d54e4d | 375 | |
d9572179 | 376 | if (a->negative_ttl == -1) |
62e76326 | 377 | a->negative_ttl = a->ttl; |
d9572179 | 378 | |
379 | /* Parse format */ | |
380 | p = &a->format; | |
62e76326 | 381 | |
d9572179 | 382 | while (token) { |
62e76326 | 383 | external_acl_format *format; |
384 | ||
385 | /* stop on first non-format token found */ | |
386 | ||
387 | if (*token != '%') | |
388 | break; | |
389 | ||
390 | format = cbdataAlloc(external_acl_format); | |
391 | ||
392 | if (strncmp(token, "%{", 2) == 0) { | |
7b0ca1e8 AJ |
393 | // deprecated. but assume the old configs all referred to request headers. |
394 | debugs(82, DBG_IMPORTANT, "WARNING: external_acl_type format %{...} is being replaced by %>{...} for : " << token); | |
4ecc6631 | 395 | parse_header_token(format, (token+2), _external_acl_format::EXT_ACL_HEADER_REQUEST); |
c68c9682 | 396 | } else if (strncmp(token, "%>{", 3) == 0) { |
4ecc6631 | 397 | parse_header_token(format, (token+3), _external_acl_format::EXT_ACL_HEADER_REQUEST); |
c68c9682 | 398 | } else if (strncmp(token, "%<{", 3) == 0) { |
4ecc6631 | 399 | parse_header_token(format, (token+3), _external_acl_format::EXT_ACL_HEADER_REPLY); |
62e76326 | 400 | } else if (strcmp(token, "%LOGIN") == 0) { |
401 | format->type = _external_acl_format::EXT_ACL_LOGIN; | |
e870b1f8 | 402 | a->require_auth = true; |
62e76326 | 403 | } |
404 | ||
7a16973f | 405 | #if USE_IDENT |
62e76326 | 406 | else if (strcmp(token, "%IDENT") == 0) |
407 | format->type = _external_acl_format::EXT_ACL_IDENT; | |
408 | ||
7a16973f | 409 | #endif |
62e76326 | 410 | |
411 | else if (strcmp(token, "%SRC") == 0) | |
412 | format->type = _external_acl_format::EXT_ACL_SRC; | |
47b0c1fa | 413 | else if (strcmp(token, "%SRCPORT") == 0) |
414 | format->type = _external_acl_format::EXT_ACL_SRCPORT; | |
a98c2da5 AJ |
415 | #if USE_SQUID_EUI |
416 | else if (strcmp(token, "%SRCEUI48") == 0) | |
417 | format->type = _external_acl_format::EXT_ACL_SRCEUI48; | |
418 | else if (strcmp(token, "%SRCEUI64") == 0) | |
419 | format->type = _external_acl_format::EXT_ACL_SRCEUI64; | |
420 | #endif | |
47b0c1fa | 421 | else if (strcmp(token, "%MYADDR") == 0) |
422 | format->type = _external_acl_format::EXT_ACL_MYADDR; | |
423 | else if (strcmp(token, "%MYPORT") == 0) | |
424 | format->type = _external_acl_format::EXT_ACL_MYPORT; | |
3cf6e9c5 | 425 | else if (strcmp(token, "%URI") == 0) |
426 | format->type = _external_acl_format::EXT_ACL_URI; | |
62e76326 | 427 | else if (strcmp(token, "%DST") == 0) |
428 | format->type = _external_acl_format::EXT_ACL_DST; | |
429 | else if (strcmp(token, "%PROTO") == 0) | |
430 | format->type = _external_acl_format::EXT_ACL_PROTO; | |
431 | else if (strcmp(token, "%PORT") == 0) | |
432 | format->type = _external_acl_format::EXT_ACL_PORT; | |
433 | else if (strcmp(token, "%PATH") == 0) | |
434 | format->type = _external_acl_format::EXT_ACL_PATH; | |
435 | else if (strcmp(token, "%METHOD") == 0) | |
436 | format->type = _external_acl_format::EXT_ACL_METHOD; | |
437 | ||
a7ad6e4e | 438 | #if USE_SSL |
4ac9968f | 439 | else if (strcmp(token, "%USER_CERT") == 0) |
3de409f0 | 440 | format->type = _external_acl_format::EXT_ACL_USER_CERT_RAW; |
3d61c476 | 441 | else if (strcmp(token, "%USER_CERTCHAIN") == 0) |
3de409f0 | 442 | format->type = _external_acl_format::EXT_ACL_USER_CERTCHAIN_RAW; |
c68c9682 | 443 | else if (strncmp(token, "%USER_CERT_", 11) == 0) { |
62e76326 | 444 | format->type = _external_acl_format::EXT_ACL_USER_CERT; |
445 | format->header = xstrdup(token + 11); | |
c68c9682 | 446 | } else if (strncmp(token, "%CA_CERT_", 11) == 0) { |
62e76326 | 447 | format->type = _external_acl_format::EXT_ACL_USER_CERT; |
448 | format->header = xstrdup(token + 11); | |
449 | } | |
a7ad6e4e | 450 | #endif |
abb929f0 | 451 | else if (strcmp(token, "%EXT_USER") == 0) |
452 | format->type = _external_acl_format::EXT_ACL_EXT_USER; | |
62e76326 | 453 | else { |
a98c2da5 | 454 | debugs(0,0, "ERROR: Unknown Format token " << token); |
62e76326 | 455 | self_destruct(); |
456 | } | |
457 | ||
458 | *p = format; | |
459 | p = &format->next; | |
460 | token = strtok(NULL, w_space); | |
d9572179 | 461 | } |
462 | ||
463 | /* There must be at least one format token */ | |
464 | if (!a->format) | |
62e76326 | 465 | self_destruct(); |
d9572179 | 466 | |
467 | /* helper */ | |
468 | if (!token) | |
62e76326 | 469 | self_destruct(); |
470 | ||
d9572179 | 471 | wordlistAdd(&a->cmdline, token); |
472 | ||
473 | /* arguments */ | |
a336d130 | 474 | parse_wordlist(&a->cmdline); |
d9572179 | 475 | |
476 | while (*list) | |
62e76326 | 477 | list = &(*list)->next; |
478 | ||
d9572179 | 479 | *list = a; |
480 | } | |
481 | ||
482 | void | |
483 | dump_externalAclHelper(StoreEntry * sentry, const char *name, const external_acl * list) | |
484 | { | |
485 | const external_acl *node; | |
486 | const external_acl_format *format; | |
487 | const wordlist *word; | |
62e76326 | 488 | |
d9572179 | 489 | for (node = list; node; node = node->next) { |
62e76326 | 490 | storeAppendPrintf(sentry, "%s %s", name, node->name); |
491 | ||
cc192b50 | 492 | if (!node->local_addr.IsIPv6()) |
493 | storeAppendPrintf(sentry, " ipv4"); | |
494 | else | |
495 | storeAppendPrintf(sentry, " ipv6"); | |
496 | ||
62e76326 | 497 | if (node->ttl != DEFAULT_EXTERNAL_ACL_TTL) |
498 | storeAppendPrintf(sentry, " ttl=%d", node->ttl); | |
499 | ||
500 | if (node->negative_ttl != node->ttl) | |
501 | storeAppendPrintf(sentry, " negative_ttl=%d", node->negative_ttl); | |
502 | ||
47b0c1fa | 503 | if (node->grace) |
504 | storeAppendPrintf(sentry, " grace=%d", node->grace); | |
505 | ||
48d54e4d AJ |
506 | if (node->children.n_max != DEFAULT_EXTERNAL_ACL_CHILDREN) |
507 | storeAppendPrintf(sentry, " children-max=%d", node->children.n_max); | |
62e76326 | 508 | |
48d54e4d AJ |
509 | if (node->children.n_startup != 1) |
510 | storeAppendPrintf(sentry, " children-startup=%d", node->children.n_startup); | |
62e76326 | 511 | |
48d54e4d AJ |
512 | if (node->children.n_idle != (node->children.n_max + node->children.n_startup) ) |
513 | storeAppendPrintf(sentry, " children-idle=%d", node->children.n_idle); | |
514 | ||
515 | if (node->children.concurrency) | |
516 | storeAppendPrintf(sentry, " concurrency=%d", node->children.concurrency); | |
07eca7e0 | 517 | |
47b0c1fa | 518 | if (node->cache) |
519 | storeAppendPrintf(sentry, " cache=%d", node->cache_size); | |
520 | ||
62e76326 | 521 | for (format = node->format; format; format = format->next) { |
522 | switch (format->type) { | |
523 | ||
4ecc6631 | 524 | case _external_acl_format::EXT_ACL_HEADER_REQUEST: |
4ecc6631 | 525 | case _external_acl_format::EXT_ACL_HEADER_REQUEST_ID: |
2170db3e | 526 | storeAppendPrintf(sentry, " %%>{%s}", format->header); |
62e76326 | 527 | break; |
528 | ||
4ecc6631 | 529 | case _external_acl_format::EXT_ACL_HEADER_REQUEST_MEMBER: |
4ecc6631 | 530 | case _external_acl_format::EXT_ACL_HEADER_REQUEST_ID_MEMBER: |
2170db3e AJ |
531 | storeAppendPrintf(sentry, " %%>{%s:%s}", format->header, format->member); |
532 | break; | |
533 | ||
534 | case _external_acl_format::EXT_ACL_HEADER_REPLY: | |
535 | case _external_acl_format::EXT_ACL_HEADER_REPLY_ID: | |
536 | storeAppendPrintf(sentry, " %%<{%s}", format->header); | |
537 | break; | |
538 | ||
539 | case _external_acl_format::EXT_ACL_HEADER_REPLY_MEMBER: | |
540 | case _external_acl_format::EXT_ACL_HEADER_REPLY_ID_MEMBER: | |
541 | storeAppendPrintf(sentry, " %%<{%s:%s}", format->header, format->member); | |
62e76326 | 542 | break; |
d9572179 | 543 | #define DUMP_EXT_ACL_TYPE(a) \ |
dc1af3cf | 544 | case _external_acl_format::EXT_ACL_##a: \ |
545 | storeAppendPrintf(sentry, " %%%s", #a); \ | |
546 | break | |
62e76326 | 547 | |
548 | DUMP_EXT_ACL_TYPE(LOGIN); | |
8f45b34c | 549 | #if USE_IDENT |
62e76326 | 550 | |
551 | DUMP_EXT_ACL_TYPE(IDENT); | |
8f45b34c | 552 | #endif |
62e76326 | 553 | |
554 | DUMP_EXT_ACL_TYPE(SRC); | |
47b0c1fa | 555 | DUMP_EXT_ACL_TYPE(SRCPORT); |
a98c2da5 AJ |
556 | #if USE_SQUID_EUI |
557 | DUMP_EXT_ACL_TYPE(SRCEUI48); | |
558 | DUMP_EXT_ACL_TYPE(SRCEUI64); | |
559 | #endif | |
560 | ||
47b0c1fa | 561 | DUMP_EXT_ACL_TYPE(MYADDR); |
562 | DUMP_EXT_ACL_TYPE(MYPORT); | |
3cf6e9c5 | 563 | DUMP_EXT_ACL_TYPE(URI); |
62e76326 | 564 | DUMP_EXT_ACL_TYPE(DST); |
565 | DUMP_EXT_ACL_TYPE(PROTO); | |
566 | DUMP_EXT_ACL_TYPE(PORT); | |
567 | DUMP_EXT_ACL_TYPE(PATH); | |
568 | DUMP_EXT_ACL_TYPE(METHOD); | |
1f183752 | 569 | #if USE_SSL |
62e76326 | 570 | |
4ac9968f | 571 | case _external_acl_format::EXT_ACL_USER_CERT_RAW: |
572 | storeAppendPrintf(sentry, " %%USER_CERT"); | |
573 | break; | |
574 | ||
3d61c476 | 575 | case _external_acl_format::EXT_ACL_USER_CERTCHAIN_RAW: |
576 | storeAppendPrintf(sentry, " %%USER_CERTCHAIN"); | |
577 | break; | |
578 | ||
62e76326 | 579 | case _external_acl_format::EXT_ACL_USER_CERT: |
580 | storeAppendPrintf(sentry, " %%USER_CERT_%s", format->header); | |
581 | break; | |
582 | ||
583 | case _external_acl_format::EXT_ACL_CA_CERT: | |
584 | storeAppendPrintf(sentry, " %%USER_CERT_%s", format->header); | |
585 | break; | |
1f183752 | 586 | #endif |
62e76326 | 587 | |
abb929f0 | 588 | DUMP_EXT_ACL_TYPE(EXT_USER); |
589 | ||
4ecc6631 | 590 | default: |
62e76326 | 591 | fatal("unknown external_acl format error"); |
592 | break; | |
593 | } | |
594 | } | |
595 | ||
596 | for (word = node->cmdline; word; word = word->next) | |
597 | storeAppendPrintf(sentry, " %s", word->key); | |
598 | ||
599 | storeAppendPrintf(sentry, "\n"); | |
d9572179 | 600 | } |
601 | } | |
602 | ||
603 | void | |
604 | free_externalAclHelper(external_acl ** list) | |
605 | { | |
606 | while (*list) { | |
62e76326 | 607 | external_acl *node = *list; |
608 | *list = node->next; | |
609 | node->next = NULL; | |
610 | cbdataFree(node); | |
d9572179 | 611 | } |
612 | } | |
613 | ||
614 | static external_acl * | |
615 | find_externalAclHelper(const char *name) | |
616 | { | |
617 | external_acl *node; | |
618 | ||
619 | for (node = Config.externalAclHelperList; node; node = node->next) { | |
62e76326 | 620 | if (strcmp(node->name, name) == 0) |
621 | return node; | |
d9572179 | 622 | } |
62e76326 | 623 | |
d9572179 | 624 | return NULL; |
625 | } | |
626 | ||
1e5562e3 | 627 | void |
628 | ||
629 | external_acl::add | |
26ac0430 | 630 | (ExternalACLEntry *anEntry) |
1e5562e3 | 631 | { |
632 | trimCache(); | |
633 | assert (anEntry->def == NULL); | |
634 | anEntry->def = this; | |
635 | hash_join(cache, anEntry); | |
636 | dlinkAdd(anEntry, &anEntry->lru, &lru_list); | |
637 | cache_entries++; | |
638 | } | |
639 | ||
640 | void | |
641 | external_acl::trimCache() | |
642 | { | |
643 | if (cache_size && cache_entries >= cache_size) | |
644 | external_acl_cache_delete(this, static_cast<external_acl_entry *>(lru_list.tail->data)); | |
645 | } | |
646 | ||
d9572179 | 647 | |
648 | /****************************************************************** | |
649 | * external acl type | |
650 | */ | |
651 | ||
26ac0430 | 652 | struct _external_acl_data { |
d9572179 | 653 | external_acl *def; |
654 | wordlist *arguments; | |
655 | }; | |
656 | ||
657 | CBDATA_TYPE(external_acl_data); | |
658 | static void | |
659 | free_external_acl_data(void *data) | |
660 | { | |
e6ccf245 | 661 | external_acl_data *p = static_cast<external_acl_data *>(data); |
d9572179 | 662 | wordlistDestroy(&p->arguments); |
663 | cbdataReferenceDone(p->def); | |
664 | } | |
665 | ||
666 | void | |
b0dd28ba | 667 | ACLExternal::parse() |
d9572179 | 668 | { |
d9572179 | 669 | char *token; |
62e76326 | 670 | |
b0dd28ba | 671 | if (data) |
62e76326 | 672 | self_destruct(); |
673 | ||
d9572179 | 674 | CBDATA_INIT_TYPE_FREECB(external_acl_data, free_external_acl_data); |
62e76326 | 675 | |
d9572179 | 676 | data = cbdataAlloc(external_acl_data); |
62e76326 | 677 | |
d9572179 | 678 | token = strtok(NULL, w_space); |
62e76326 | 679 | |
d9572179 | 680 | if (!token) |
62e76326 | 681 | self_destruct(); |
682 | ||
d9572179 | 683 | data->def = cbdataReference(find_externalAclHelper(token)); |
62e76326 | 684 | |
d9572179 | 685 | if (!data->def) |
62e76326 | 686 | self_destruct(); |
687 | ||
4d091667 | 688 | while ((token = strtokFile())) { |
62e76326 | 689 | wordlistAdd(&data->arguments, token); |
d9572179 | 690 | } |
d9572179 | 691 | } |
692 | ||
4b0f5de8 | 693 | bool |
694 | ACLExternal::valid () const | |
695 | { | |
696 | if (data->def->require_auth) { | |
697 | if (authenticateSchemeCount() == 0) { | |
bf8fe701 | 698 | debugs(28, 0, "Can't use proxy auth because no authentication schemes were compiled."); |
4b0f5de8 | 699 | return false; |
700 | } | |
701 | ||
702 | if (authenticateActiveSchemeCount() == 0) { | |
bf8fe701 | 703 | debugs(28, 0, "Can't use proxy auth because no authentication schemes are fully configured."); |
4b0f5de8 | 704 | return false; |
705 | } | |
706 | } | |
707 | ||
708 | return true; | |
709 | } | |
710 | ||
711 | bool | |
712 | ACLExternal::empty () const | |
713 | { | |
714 | return false; | |
715 | } | |
716 | ||
b0dd28ba | 717 | ACLExternal::~ACLExternal() |
d9572179 | 718 | { |
b0dd28ba | 719 | cbdataFree(data); |
720 | safe_free (class_); | |
d9572179 | 721 | } |
722 | ||
b0dd28ba | 723 | static int |
c0941a6a | 724 | aclMatchExternal(external_acl_data *acl, ACLFilledChecklist *ch) |
d9572179 | 725 | { |
726 | int result; | |
727 | external_acl_entry *entry; | |
d9572179 | 728 | const char *key = ""; |
bf8fe701 | 729 | debugs(82, 9, "aclMatchExternal: acl=\"" << acl->def->name << "\""); |
d9572179 | 730 | entry = ch->extacl_entry; |
62e76326 | 731 | |
d9572179 | 732 | if (entry) { |
62e76326 | 733 | if (cbdataReferenceValid(entry) && entry->def == acl->def && |
734 | strcmp((char *)entry->key, key) == 0) { | |
735 | /* Ours, use it.. */ | |
736 | } else { | |
737 | /* Not valid, or not ours.. get rid of it */ | |
738 | cbdataReferenceDone(ch->extacl_entry); | |
739 | entry = NULL; | |
740 | } | |
d9572179 | 741 | } |
62e76326 | 742 | |
4a972fa2 | 743 | external_acl_message = "MISSING REQUIRED INFORMATION"; |
744 | ||
d9572179 | 745 | if (!entry) { |
62e76326 | 746 | if (acl->def->require_auth) { |
747 | int ti; | |
748 | /* Make sure the user is authenticated */ | |
3265364b | 749 | debugs(82, 3, "aclMatchExternal: " << acl->def->name << " check user authenticated."); |
62e76326 | 750 | |
c0941a6a | 751 | if ((ti = AuthenticateAcl(ch)) != 1) { |
bf8fe701 | 752 | debugs(82, 2, "aclMatchExternal: " << acl->def->name << " user not authenticated (" << ti << ")"); |
62e76326 | 753 | return ti; |
754 | } | |
3265364b | 755 | debugs(82, 3, "aclMatchExternal: " << acl->def->name << " user is authenticated."); |
62e76326 | 756 | } |
757 | ||
758 | key = makeExternalAclKey(ch, acl); | |
41218131 | 759 | |
760 | if (!key) { | |
761 | /* Not sufficient data to process */ | |
762 | return -1; | |
763 | } | |
764 | ||
62e76326 | 765 | entry = static_cast<external_acl_entry *>(hash_lookup(acl->def->cache, key)); |
766 | ||
47b0c1fa | 767 | if (!entry || external_acl_grace_expired(acl->def, entry)) { |
bf8fe701 | 768 | debugs(82, 2, "aclMatchExternal: " << acl->def->name << "(\"" << key << "\") = lookup needed"); |
769 | debugs(82, 2, "aclMatchExternal: \"" << key << "\": entry=@" << | |
770 | entry << ", age=" << (entry ? (long int) squid_curtime - entry->date : 0)); | |
95a83c22 | 771 | |
48d54e4d | 772 | if (acl->def->theHelper->stats.queue_size <= (int)acl->def->theHelper->childs.n_active) { |
bf8fe701 | 773 | debugs(82, 2, "aclMatchExternal: \"" << key << "\": queueing a call."); |
47b0c1fa | 774 | ch->changeState (ExternalACLLookup::Instance()); |
ab321f4b | 775 | |
776 | if (entry == NULL) { | |
bf8fe701 | 777 | debugs(82, 2, "aclMatchExternal: \"" << key << "\": return -1."); |
ab321f4b | 778 | return -1; |
779 | } | |
47b0c1fa | 780 | } else { |
781 | if (!entry) { | |
bf8fe701 | 782 | debugs(82, 1, "aclMatchExternal: '" << acl->def->name << |
783 | "' queue overload. Request rejected '" << key << "'."); | |
4a972fa2 | 784 | external_acl_message = "SYSTEM TOO BUSY, TRY AGAIN LATER"; |
47b0c1fa | 785 | return -1; |
786 | } else { | |
bf8fe701 | 787 | debugs(82, 1, "aclMatchExternal: '" << acl->def->name << |
788 | "' queue overload. Using stale result. '" << key << "'."); | |
47b0c1fa | 789 | /* Fall thru to processing below */ |
790 | } | |
791 | } | |
792 | } | |
d9572179 | 793 | } |
62e76326 | 794 | |
d9572179 | 795 | external_acl_cache_touch(acl->def, entry); |
796 | result = entry->result; | |
a7a42b14 | 797 | external_acl_message = entry->message.termedBuf(); |
4a972fa2 | 798 | |
bf8fe701 | 799 | debugs(82, 2, "aclMatchExternal: " << acl->def->name << " = " << result); |
62e76326 | 800 | |
abb929f0 | 801 | if (ch->request) { |
802 | if (entry->user.size()) | |
803 | ch->request->extacl_user = entry->user; | |
cbd2dc91 | 804 | |
abb929f0 | 805 | if (entry->password.size()) |
806 | ch->request->extacl_passwd = entry->password; | |
62e76326 | 807 | |
abb929f0 | 808 | if (!ch->request->tag.size()) |
809 | ch->request->tag = entry->tag; | |
4a972fa2 | 810 | |
811 | if (entry->log.size()) | |
812 | ch->request->extacl_log = entry->log; | |
8c93a598 HN |
813 | |
814 | if (entry->message.size()) | |
815 | ch->request->extacl_message = entry->message; | |
abb929f0 | 816 | } |
1e5562e3 | 817 | |
d9572179 | 818 | return result; |
819 | } | |
820 | ||
b0dd28ba | 821 | int |
822 | ACLExternal::match(ACLChecklist *checklist) | |
823 | { | |
c0941a6a | 824 | return aclMatchExternal (data, Filled(checklist)); |
b0dd28ba | 825 | } |
826 | ||
d9572179 | 827 | wordlist * |
b0dd28ba | 828 | ACLExternal::dump() const |
d9572179 | 829 | { |
b0dd28ba | 830 | external_acl_data const *acl = data; |
d9572179 | 831 | wordlist *result = NULL; |
832 | wordlist *arg; | |
833 | MemBuf mb; | |
2fe7eff9 | 834 | mb.init(); |
835 | mb.Printf("%s", acl->def->name); | |
62e76326 | 836 | |
d9572179 | 837 | for (arg = acl->arguments; arg; arg = arg->next) { |
2fe7eff9 | 838 | mb.Printf(" %s", arg->key); |
d9572179 | 839 | } |
62e76326 | 840 | |
d9572179 | 841 | wordlistAdd(&result, mb.buf); |
2fe7eff9 | 842 | mb.clean(); |
d9572179 | 843 | return result; |
844 | } | |
845 | ||
846 | /****************************************************************** | |
847 | * external_acl cache | |
848 | */ | |
849 | ||
d9572179 | 850 | static void |
851 | external_acl_cache_touch(external_acl * def, external_acl_entry * entry) | |
852 | { | |
853 | dlinkDelete(&entry->lru, &def->lru_list); | |
854 | dlinkAdd(entry, &entry->lru, &def->lru_list); | |
855 | } | |
856 | ||
857 | static char * | |
c0941a6a | 858 | makeExternalAclKey(ACLFilledChecklist * ch, external_acl_data * acl_data) |
d9572179 | 859 | { |
032785bf | 860 | static MemBuf mb; |
d9572179 | 861 | char buf[256]; |
862 | int first = 1; | |
863 | wordlist *arg; | |
864 | external_acl_format *format; | |
190154cf | 865 | HttpRequest *request = ch->request; |
7b0ca1e8 | 866 | HttpReply *reply = ch->reply; |
2fe7eff9 | 867 | mb.reset(); |
62e76326 | 868 | |
d9572179 | 869 | for (format = acl_data->def->format; format; format = format->next) { |
62e76326 | 870 | const char *str = NULL; |
30abd221 | 871 | String sb; |
62e76326 | 872 | |
873 | switch (format->type) { | |
874 | ||
875 | case _external_acl_format::EXT_ACL_LOGIN: | |
a33a428a | 876 | assert (ch->auth_user_request != NULL); |
f5691f9c | 877 | str = ch->auth_user_request->username(); |
62e76326 | 878 | break; |
7a16973f | 879 | #if USE_IDENT |
62e76326 | 880 | |
881 | case _external_acl_format::EXT_ACL_IDENT: | |
882 | str = ch->rfc931; | |
883 | ||
41218131 | 884 | if (!str || !*str) { |
62e76326 | 885 | ch->changeState(IdentLookup::Instance()); |
886 | return NULL; | |
887 | } | |
888 | ||
889 | break; | |
7a16973f | 890 | #endif |
62e76326 | 891 | |
892 | case _external_acl_format::EXT_ACL_SRC: | |
cc192b50 | 893 | str = ch->src_addr.NtoA(buf,sizeof(buf)); |
62e76326 | 894 | break; |
895 | ||
47b0c1fa | 896 | case _external_acl_format::EXT_ACL_SRCPORT: |
cc192b50 | 897 | snprintf(buf, sizeof(buf), "%d", request->client_addr.GetPort()); |
47b0c1fa | 898 | str = buf; |
899 | break; | |
900 | ||
a98c2da5 AJ |
901 | #if USE_SQUID_EUI |
902 | case _external_acl_format::EXT_ACL_SRCEUI48: | |
903 | if (request->client_eui48.encode(buf, sizeof(buf))) | |
904 | str = buf; | |
905 | break; | |
906 | ||
907 | case _external_acl_format::EXT_ACL_SRCEUI64: | |
908 | if (request->client_eui64.encode(buf, sizeof(buf))) | |
909 | str = buf; | |
910 | break; | |
911 | #endif | |
912 | ||
47b0c1fa | 913 | case _external_acl_format::EXT_ACL_MYADDR: |
cc192b50 | 914 | str = request->my_addr.NtoA(buf, sizeof(buf)); |
47b0c1fa | 915 | break; |
916 | ||
917 | case _external_acl_format::EXT_ACL_MYPORT: | |
cc192b50 | 918 | snprintf(buf, sizeof(buf), "%d", request->my_addr.GetPort()); |
47b0c1fa | 919 | str = buf; |
920 | break; | |
921 | ||
3cf6e9c5 | 922 | case _external_acl_format::EXT_ACL_URI: |
923 | str = urlCanonical(request); | |
924 | break; | |
925 | ||
62e76326 | 926 | case _external_acl_format::EXT_ACL_DST: |
cc192b50 | 927 | str = request->GetHost(); |
62e76326 | 928 | break; |
929 | ||
930 | case _external_acl_format::EXT_ACL_PROTO: | |
931 | str = ProtocolStr[request->protocol]; | |
932 | break; | |
933 | ||
934 | case _external_acl_format::EXT_ACL_PORT: | |
935 | snprintf(buf, sizeof(buf), "%d", request->port); | |
936 | str = buf; | |
937 | break; | |
938 | ||
939 | case _external_acl_format::EXT_ACL_PATH: | |
a313a9ba | 940 | str = request->urlpath.termedBuf(); |
62e76326 | 941 | break; |
942 | ||
943 | case _external_acl_format::EXT_ACL_METHOD: | |
60745f24 | 944 | str = RequestMethodStr(request->method); |
62e76326 | 945 | break; |
946 | ||
7b0ca1e8 | 947 | case _external_acl_format::EXT_ACL_HEADER_REQUEST: |
a9925b40 | 948 | sb = request->header.getByName(format->header); |
a313a9ba | 949 | str = sb.termedBuf(); |
62e76326 | 950 | break; |
951 | ||
7b0ca1e8 | 952 | case _external_acl_format::EXT_ACL_HEADER_REQUEST_ID: |
a9925b40 | 953 | sb = request->header.getStrOrList(format->header_id); |
a313a9ba | 954 | str = sb.termedBuf(); |
62e76326 | 955 | break; |
956 | ||
7b0ca1e8 | 957 | case _external_acl_format::EXT_ACL_HEADER_REQUEST_MEMBER: |
a9925b40 | 958 | sb = request->header.getByNameListMember(format->header, format->member, format->separator); |
a313a9ba | 959 | str = sb.termedBuf(); |
62e76326 | 960 | break; |
961 | ||
7b0ca1e8 | 962 | case _external_acl_format::EXT_ACL_HEADER_REQUEST_ID_MEMBER: |
a9925b40 | 963 | sb = request->header.getListMember(format->header_id, format->member, format->separator); |
a313a9ba | 964 | str = sb.termedBuf(); |
62e76326 | 965 | break; |
7b0ca1e8 AJ |
966 | |
967 | case _external_acl_format::EXT_ACL_HEADER_REPLY: | |
26ac0430 | 968 | if (reply) { |
7b0ca1e8 | 969 | sb = reply->header.getByName(format->header); |
a313a9ba | 970 | str = sb.termedBuf(); |
7b0ca1e8 AJ |
971 | } |
972 | break; | |
973 | ||
974 | case _external_acl_format::EXT_ACL_HEADER_REPLY_ID: | |
26ac0430 | 975 | if (reply) { |
7b0ca1e8 | 976 | sb = reply->header.getStrOrList(format->header_id); |
a313a9ba | 977 | str = sb.termedBuf(); |
7b0ca1e8 AJ |
978 | } |
979 | break; | |
980 | ||
981 | case _external_acl_format::EXT_ACL_HEADER_REPLY_MEMBER: | |
26ac0430 | 982 | if (reply) { |
7b0ca1e8 | 983 | sb = reply->header.getByNameListMember(format->header, format->member, format->separator); |
a313a9ba | 984 | str = sb.termedBuf(); |
7b0ca1e8 AJ |
985 | } |
986 | break; | |
987 | ||
988 | case _external_acl_format::EXT_ACL_HEADER_REPLY_ID_MEMBER: | |
26ac0430 | 989 | if (reply) { |
7b0ca1e8 | 990 | sb = reply->header.getListMember(format->header_id, format->member, format->separator); |
a313a9ba | 991 | str = sb.termedBuf(); |
7b0ca1e8 AJ |
992 | } |
993 | break; | |
a7ad6e4e | 994 | #if USE_SSL |
62e76326 | 995 | |
4ac9968f | 996 | case _external_acl_format::EXT_ACL_USER_CERT_RAW: |
997 | ||
85a4b153 | 998 | if (ch->conn() != NULL) { |
4ac9968f | 999 | SSL *ssl = fd_table[ch->conn()->fd].ssl; |
1000 | ||
1001 | if (ssl) | |
1002 | str = sslGetUserCertificatePEM(ssl); | |
1003 | } | |
1004 | ||
1005 | break; | |
1006 | ||
3d61c476 | 1007 | case _external_acl_format::EXT_ACL_USER_CERTCHAIN_RAW: |
1008 | ||
85a4b153 | 1009 | if (ch->conn() != NULL) { |
3d61c476 | 1010 | SSL *ssl = fd_table[ch->conn()->fd].ssl; |
1011 | ||
1012 | if (ssl) | |
1013 | str = sslGetUserCertificateChainPEM(ssl); | |
1014 | } | |
1015 | ||
1016 | break; | |
1017 | ||
62e76326 | 1018 | case _external_acl_format::EXT_ACL_USER_CERT: |
1019 | ||
85a4b153 | 1020 | if (ch->conn() != NULL) { |
62e76326 | 1021 | SSL *ssl = fd_table[ch->conn()->fd].ssl; |
1022 | ||
1023 | if (ssl) | |
1024 | str = sslGetUserAttribute(ssl, format->header); | |
1025 | } | |
1026 | ||
1027 | break; | |
1028 | ||
1029 | case _external_acl_format::EXT_ACL_CA_CERT: | |
1030 | ||
85a4b153 | 1031 | if (ch->conn() != NULL) { |
62e76326 | 1032 | SSL *ssl = fd_table[ch->conn()->fd].ssl; |
1033 | ||
1034 | if (ssl) | |
1035 | str = sslGetCAAttribute(ssl, format->header); | |
1036 | } | |
1037 | ||
1038 | break; | |
a7ad6e4e | 1039 | #endif |
62e76326 | 1040 | |
abb929f0 | 1041 | case _external_acl_format::EXT_ACL_EXT_USER: |
a313a9ba | 1042 | str = request->extacl_user.termedBuf(); |
abb929f0 | 1043 | break; |
1044 | ||
62e76326 | 1045 | case _external_acl_format::EXT_ACL_UNKNOWN: |
1046 | ||
1047 | case _external_acl_format::EXT_ACL_END: | |
1048 | fatal("unknown external_acl format error"); | |
1049 | break; | |
1050 | } | |
1051 | ||
1052 | if (str) | |
1053 | if (!*str) | |
1054 | str = NULL; | |
1055 | ||
1056 | if (!str) | |
1057 | str = "-"; | |
1058 | ||
1059 | if (!first) | |
2fe7eff9 | 1060 | mb.append(" ", 1); |
62e76326 | 1061 | |
dc1af3cf | 1062 | if (acl_data->def->quote == external_acl::QUOTE_METHOD_URL) { |
1063 | const char *quoted = rfc1738_escape(str); | |
2fe7eff9 | 1064 | mb.append(quoted, strlen(quoted)); |
dc1af3cf | 1065 | } else { |
1066 | strwordquote(&mb, str); | |
1067 | } | |
62e76326 | 1068 | |
30abd221 | 1069 | sb.clean(); |
62e76326 | 1070 | |
1071 | first = 0; | |
d9572179 | 1072 | } |
62e76326 | 1073 | |
d9572179 | 1074 | for (arg = acl_data->arguments; arg; arg = arg->next) { |
62e76326 | 1075 | if (!first) |
2fe7eff9 | 1076 | mb.append(" ", 1); |
62e76326 | 1077 | |
dc1af3cf | 1078 | if (acl_data->def->quote == external_acl::QUOTE_METHOD_URL) { |
1079 | const char *quoted = rfc1738_escape(arg->key); | |
2fe7eff9 | 1080 | mb.append(quoted, strlen(quoted)); |
dc1af3cf | 1081 | } else { |
1082 | strwordquote(&mb, arg->key); | |
1083 | } | |
62e76326 | 1084 | |
1085 | first = 0; | |
d9572179 | 1086 | } |
62e76326 | 1087 | |
d9572179 | 1088 | return mb.buf; |
d9572179 | 1089 | } |
1090 | ||
1091 | static int | |
1092 | external_acl_entry_expired(external_acl * def, external_acl_entry * entry) | |
1093 | { | |
1094 | if (entry->date + (entry->result == 1 ? def->ttl : def->negative_ttl) < squid_curtime) | |
62e76326 | 1095 | return 1; |
d9572179 | 1096 | else |
62e76326 | 1097 | return 0; |
d9572179 | 1098 | } |
62e76326 | 1099 | |
47b0c1fa | 1100 | static int |
1101 | external_acl_grace_expired(external_acl * def, external_acl_entry * entry) | |
1102 | { | |
1103 | int ttl; | |
1104 | ttl = entry->result == 1 ? def->ttl : def->negative_ttl; | |
1105 | ttl = (ttl * (100 - def->grace)) / 100; | |
1106 | ||
1107 | if (entry->date + ttl < squid_curtime) | |
1108 | return 1; | |
1109 | else | |
1110 | return 0; | |
1111 | } | |
1112 | ||
d9572179 | 1113 | static external_acl_entry * |
1e5562e3 | 1114 | external_acl_cache_add(external_acl * def, const char *key, ExternalACLEntryData const & data) |
d9572179 | 1115 | { |
1e5562e3 | 1116 | ExternalACLEntry *entry = static_cast<ExternalACLEntry *>(hash_lookup(def->cache, key)); |
bf8fe701 | 1117 | debugs(82, 2, "external_acl_cache_add: Adding '" << key << "' = " << data.result); |
62e76326 | 1118 | |
d9572179 | 1119 | if (entry) { |
bf8fe701 | 1120 | debugs(82, 3, "ExternalACLEntry::update: updating existing entry"); |
1e5562e3 | 1121 | entry->update (data); |
62e76326 | 1122 | external_acl_cache_touch(def, entry); |
1123 | ||
1124 | return entry; | |
d9572179 | 1125 | } |
62e76326 | 1126 | |
1e5562e3 | 1127 | entry = new ExternalACLEntry; |
4a8b20e8 | 1128 | entry->key = xstrdup(key); |
1e5562e3 | 1129 | entry->update (data); |
1130 | ||
1131 | def->add | |
1132 | (entry); | |
1133 | ||
d9572179 | 1134 | return entry; |
1135 | } | |
1136 | ||
1137 | static void | |
1138 | external_acl_cache_delete(external_acl * def, external_acl_entry * entry) | |
1139 | { | |
1e5562e3 | 1140 | assert (entry->def == def); |
4a8b20e8 | 1141 | hash_remove_link(def->cache, entry); |
d9572179 | 1142 | dlinkDelete(&entry->lru, &def->lru_list); |
1143 | def->cache_entries -= 1; | |
00d77d6b | 1144 | delete entry; |
d9572179 | 1145 | } |
1146 | ||
1147 | /****************************************************************** | |
1148 | * external_acl helpers | |
1149 | */ | |
1150 | ||
1151 | typedef struct _externalAclState externalAclState; | |
62e76326 | 1152 | |
26ac0430 | 1153 | struct _externalAclState { |
d9572179 | 1154 | EAH *callback; |
1155 | void *callback_data; | |
1156 | char *key; | |
1157 | external_acl *def; | |
1158 | dlink_node list; | |
1159 | externalAclState *queue; | |
1160 | }; | |
1161 | ||
1162 | CBDATA_TYPE(externalAclState); | |
1163 | static void | |
1164 | free_externalAclState(void *data) | |
1165 | { | |
e6ccf245 | 1166 | externalAclState *state = static_cast<externalAclState *>(data); |
d9572179 | 1167 | safe_free(state->key); |
1168 | cbdataReferenceDone(state->callback_data); | |
1169 | cbdataReferenceDone(state->def); | |
1170 | } | |
1171 | ||
d9572179 | 1172 | /* |
1173 | * The helper program receives queries on stdin, one | |
07eca7e0 | 1174 | * per line, and must return the result on on stdout |
d9572179 | 1175 | * |
1176 | * General result syntax: | |
1177 | * | |
1178 | * OK/ERR keyword=value ... | |
1179 | * | |
1180 | * Keywords: | |
1181 | * | |
4a972fa2 | 1182 | * user= The users name (login) |
1183 | * message= Message describing the reason | |
1184 | * tag= A string tag to be applied to the request that triggered the acl match. | |
1185 | * applies to both OK and ERR responses. | |
1186 | * Won't override existing request tags. | |
1187 | * log= A string to be used in access logging | |
d9572179 | 1188 | * |
1189 | * Other keywords may be added to the protocol later | |
1190 | * | |
26ac0430 AJ |
1191 | * value needs to be enclosed in quotes if it may contain whitespace, or |
1192 | * the whitespace escaped using \ (\ escaping obviously also applies to | |
d9572179 | 1193 | * any " characters) |
1194 | */ | |
1195 | ||
1196 | static void | |
1197 | externalAclHandleReply(void *data, char *reply) | |
1198 | { | |
e6ccf245 | 1199 | externalAclState *state = static_cast<externalAclState *>(data); |
d9572179 | 1200 | externalAclState *next; |
d9572179 | 1201 | char *status; |
1202 | char *token; | |
1203 | char *value; | |
1204 | char *t; | |
1e5562e3 | 1205 | ExternalACLEntryData entryData; |
1206 | entryData.result = 0; | |
466090ac | 1207 | external_acl_entry *entry = NULL; |
d9572179 | 1208 | |
bf8fe701 | 1209 | debugs(82, 2, "externalAclHandleReply: reply=\"" << reply << "\""); |
d9572179 | 1210 | |
4960475f | 1211 | if (reply) { |
62e76326 | 1212 | status = strwordtok(reply, &t); |
1213 | ||
1214 | if (status && strcmp(status, "OK") == 0) | |
1e5562e3 | 1215 | entryData.result = 1; |
62e76326 | 1216 | |
1217 | while ((token = strwordtok(NULL, &t))) { | |
1218 | value = strchr(token, '='); | |
1219 | ||
1220 | if (value) { | |
1221 | *value++ = '\0'; /* terminate the token, and move up to the value */ | |
1222 | ||
dc1af3cf | 1223 | if (state->def->quote == external_acl::QUOTE_METHOD_URL) |
1224 | rfc1738_unescape(value); | |
1225 | ||
62e76326 | 1226 | if (strcmp(token, "user") == 0) |
1e5562e3 | 1227 | entryData.user = value; |
d7bd27db | 1228 | else if (strcmp(token, "message") == 0) |
1229 | entryData.message = value; | |
62e76326 | 1230 | else if (strcmp(token, "error") == 0) |
d7bd27db | 1231 | entryData.message = value; |
abb929f0 | 1232 | else if (strcmp(token, "tag") == 0) |
1233 | entryData.tag = value; | |
4a972fa2 | 1234 | else if (strcmp(token, "log") == 0) |
1235 | entryData.log = value; | |
abb929f0 | 1236 | else if (strcmp(token, "password") == 0) |
1237 | entryData.password = value; | |
1238 | else if (strcmp(token, "passwd") == 0) | |
1239 | entryData.password = value; | |
1240 | else if (strcmp(token, "login") == 0) | |
1241 | entryData.user = value; | |
62e76326 | 1242 | } |
1243 | } | |
d9572179 | 1244 | } |
62e76326 | 1245 | |
d9572179 | 1246 | dlinkDelete(&state->list, &state->def->queue); |
62e76326 | 1247 | |
4960475f | 1248 | if (cbdataReferenceValid(state->def)) { |
62e76326 | 1249 | if (reply) |
1e5562e3 | 1250 | entry = external_acl_cache_add(state->def, state->key, entryData); |
62e76326 | 1251 | else { |
2ae2408b | 1252 | external_acl_entry *oldentry = (external_acl_entry *)hash_lookup(state->def->cache, state->key); |
62e76326 | 1253 | |
2ae2408b | 1254 | if (oldentry) |
1255 | external_acl_cache_delete(state->def, oldentry); | |
62e76326 | 1256 | } |
466090ac | 1257 | } |
d9572179 | 1258 | |
1259 | do { | |
62e76326 | 1260 | void *cbdata; |
1261 | cbdataReferenceDone(state->def); | |
1262 | ||
47b0c1fa | 1263 | if (state->callback && cbdataReferenceValidDone(state->callback_data, &cbdata)) |
62e76326 | 1264 | state->callback(cbdata, entry); |
1265 | ||
1266 | next = state->queue; | |
d9572179 | 1267 | |
62e76326 | 1268 | cbdataFree(state); |
d9572179 | 1269 | |
62e76326 | 1270 | state = next; |
d9572179 | 1271 | } while (state); |
1272 | } | |
1273 | ||
1274 | void | |
c0941a6a | 1275 | ACLExternal::ExternalAclLookup(ACLChecklist *checklist, ACLExternal * me, EAH * callback, void *callback_data) |
d9572179 | 1276 | { |
1277 | MemBuf buf; | |
e870b1f8 | 1278 | external_acl_data *acl = me->data; |
d9572179 | 1279 | external_acl *def = acl->def; |
d9572179 | 1280 | externalAclState *state; |
47b0c1fa | 1281 | dlink_node *node; |
1282 | externalAclState *oldstate = NULL; | |
1283 | bool graceful = 0; | |
c8e7608c | 1284 | |
c0941a6a | 1285 | ACLFilledChecklist *ch = Filled(checklist); |
c8e7608c | 1286 | if (acl->def->require_auth) { |
1287 | int ti; | |
1288 | /* Make sure the user is authenticated */ | |
3265364b | 1289 | debugs(82, 3, "aclMatchExternal: " << acl->def->name << " check user authenticated."); |
c8e7608c | 1290 | |
c0941a6a | 1291 | if ((ti = AuthenticateAcl(ch)) != 1) { |
bf8fe701 | 1292 | debugs(82, 1, "externalAclLookup: " << acl->def->name << |
1293 | " user authentication failure (" << ti << ", ch=" << ch << ")"); | |
c8e7608c | 1294 | callback(callback_data, NULL); |
1295 | return; | |
1296 | } | |
3265364b | 1297 | debugs(82, 3, "aclMatchExternal: " << acl->def->name << " user is authenticated."); |
c8e7608c | 1298 | } |
1299 | ||
1300 | const char *key = makeExternalAclKey(ch, acl); | |
62e76326 | 1301 | |
d9572179 | 1302 | if (!key) { |
bf8fe701 | 1303 | debugs(82, 1, "externalAclLookup: lookup in '" << def->name << |
1304 | "', prerequisit failure (ch=" << ch << ")"); | |
62e76326 | 1305 | callback(callback_data, NULL); |
1306 | return; | |
d9572179 | 1307 | } |
62e76326 | 1308 | |
bf8fe701 | 1309 | debugs(82, 2, "externalAclLookup: lookup in '" << def->name << "' for '" << key << "'"); |
1310 | ||
c8e7608c | 1311 | external_acl_entry *entry = static_cast<external_acl_entry *>(hash_lookup(def->cache, key)); |
1312 | ||
47b0c1fa | 1313 | if (entry && external_acl_entry_expired(def, entry)) |
1314 | entry = NULL; | |
62e76326 | 1315 | |
47b0c1fa | 1316 | /* Check for a pending lookup to hook into */ |
1317 | for (node = def->queue.head; node; node = node->next) { | |
1318 | externalAclState *oldstatetmp = static_cast<externalAclState *>(node->data); | |
62e76326 | 1319 | |
47b0c1fa | 1320 | if (strcmp(key, oldstatetmp->key) == 0) { |
1321 | oldstate = oldstatetmp; | |
1322 | break; | |
1323 | } | |
1324 | } | |
62e76326 | 1325 | |
47b0c1fa | 1326 | if (entry && external_acl_grace_expired(def, entry)) { |
1327 | if (oldstate) { | |
bf8fe701 | 1328 | debugs(82, 4, "externalAclLookup: in grace period, but already pending lookup ('" << key << "', ch=" << ch << ")"); |
62e76326 | 1329 | callback(callback_data, entry); |
62e76326 | 1330 | return; |
47b0c1fa | 1331 | } else { |
ab321f4b | 1332 | graceful = 1; // grace expired, (neg)ttl did not, and we must start a new lookup. |
62e76326 | 1333 | } |
d9572179 | 1334 | } |
62e76326 | 1335 | |
ab321f4b | 1336 | // The entry is in the cache, grace_ttl did not expired. |
47b0c1fa | 1337 | if (!graceful && entry && !external_acl_grace_expired(def, entry)) { |
1338 | /* Should not really happen, but why not.. */ | |
1339 | callback(callback_data, entry); | |
bf8fe701 | 1340 | debugs(82, 4, "externalAclLookup: no lookup pending for '" << key << "', and grace not expired"); |
1341 | debugs(82, 4, "externalAclLookup: (what tha' hell?)"); | |
47b0c1fa | 1342 | return; |
1343 | } | |
62e76326 | 1344 | |
47b0c1fa | 1345 | /* No pending lookup found. Sumbit to helper */ |
1346 | state = cbdataAlloc(externalAclState); | |
62e76326 | 1347 | |
47b0c1fa | 1348 | state->def = cbdataReference(def); |
62e76326 | 1349 | |
47b0c1fa | 1350 | state->key = xstrdup(key); |
62e76326 | 1351 | |
47b0c1fa | 1352 | if (!graceful) { |
1353 | state->callback = callback; | |
1354 | state->callback_data = cbdataReference(callback_data); | |
d9572179 | 1355 | } |
62e76326 | 1356 | |
47b0c1fa | 1357 | if (oldstate) { |
1358 | /* Hook into pending lookup */ | |
1359 | state->queue = oldstate->queue; | |
1360 | oldstate->queue = state; | |
1361 | } else { | |
1362 | /* Check for queue overload */ | |
1363 | ||
48d54e4d | 1364 | if (def->theHelper->stats.queue_size >= (int)def->theHelper->childs.n_running) { |
bf8fe701 | 1365 | debugs(82, 1, "externalAclLookup: '" << def->name << "' queue overload (ch=" << ch << ")"); |
47b0c1fa | 1366 | cbdataFree(state); |
1367 | callback(callback_data, entry); | |
1368 | return; | |
1369 | } | |
1370 | ||
1371 | /* Send it off to the helper */ | |
2fe7eff9 | 1372 | buf.init(); |
62e76326 | 1373 | |
2fe7eff9 | 1374 | buf.Printf("%s\n", key); |
62e76326 | 1375 | |
bf8fe701 | 1376 | debugs(82, 4, "externalAclLookup: looking up for '" << key << "' in '" << def->name << "'."); |
ab321f4b | 1377 | |
47b0c1fa | 1378 | helperSubmit(def->theHelper, buf.buf, externalAclHandleReply, state); |
62e76326 | 1379 | |
47b0c1fa | 1380 | dlinkAdd(state, &state->list, &def->queue); |
62e76326 | 1381 | |
2fe7eff9 | 1382 | buf.clean(); |
47b0c1fa | 1383 | } |
62e76326 | 1384 | |
47b0c1fa | 1385 | if (graceful) { |
1386 | /* No need to wait during grace period */ | |
bf8fe701 | 1387 | debugs(82, 4, "externalAclLookup: no need to wait for the result of '" << |
1388 | key << "' in '" << def->name << "' (ch=" << ch << ")."); | |
1389 | debugs(82, 4, "externalAclLookup: using cached entry " << entry); | |
ab321f4b | 1390 | |
1391 | if (entry != NULL) { | |
bf8fe701 | 1392 | debugs(82, 4, "externalAclLookup: entry = { date=" << |
1393 | (long unsigned int) entry->date << ", result=" << | |
a313a9ba FC |
1394 | entry->result << ", user=" << entry->user << " tag=" << |
1395 | entry->tag << " log=" << entry->log << " }"); | |
bf8fe701 | 1396 | |
ab321f4b | 1397 | } |
1398 | ||
47b0c1fa | 1399 | callback(callback_data, entry); |
1400 | return; | |
1401 | } | |
ab321f4b | 1402 | |
bf8fe701 | 1403 | debugs(82, 4, "externalAclLookup: will wait for the result of '" << key << |
1404 | "' in '" << def->name << "' (ch=" << ch << ")."); | |
d9572179 | 1405 | } |
1406 | ||
1407 | static void | |
1408 | externalAclStats(StoreEntry * sentry) | |
1409 | { | |
1410 | external_acl *p; | |
1411 | ||
1412 | for (p = Config.externalAclHelperList; p; p = p->next) { | |
62e76326 | 1413 | storeAppendPrintf(sentry, "External ACL Statistics: %s\n", p->name); |
1414 | storeAppendPrintf(sentry, "Cache size: %d\n", p->cache->count); | |
1415 | helperStats(sentry, p->theHelper); | |
1416 | storeAppendPrintf(sentry, "\n"); | |
d9572179 | 1417 | } |
1418 | } | |
1419 | ||
6b7d87bb FC |
1420 | static void |
1421 | externalAclRegisterWithCacheManager(void) | |
1422 | { | |
8822ebee | 1423 | Mgr::RegisterAction("external_acl", |
26ac0430 AJ |
1424 | "External ACL stats", |
1425 | externalAclStats, 0, 1); | |
6b7d87bb FC |
1426 | } |
1427 | ||
d9572179 | 1428 | void |
1429 | externalAclInit(void) | |
1430 | { | |
1431 | static int firstTimeInit = 1; | |
1432 | external_acl *p; | |
1433 | ||
1434 | for (p = Config.externalAclHelperList; p; p = p->next) { | |
62e76326 | 1435 | if (!p->cache) |
30abd221 | 1436 | p->cache = hash_create((HASHCMP *) strcmp, hashPrime(1024), hash4); |
62e76326 | 1437 | |
1438 | if (!p->theHelper) | |
48d54e4d | 1439 | p->theHelper = new helper(p->name); |
62e76326 | 1440 | |
1441 | p->theHelper->cmdline = p->cmdline; | |
1442 | ||
48d54e4d | 1443 | p->theHelper->childs = p->children; |
07eca7e0 | 1444 | |
62e76326 | 1445 | p->theHelper->ipc_type = IPC_TCP_SOCKET; |
1446 | ||
cc192b50 | 1447 | p->theHelper->addr = p->local_addr; |
1448 | ||
62e76326 | 1449 | helperOpenServers(p->theHelper); |
d9572179 | 1450 | } |
62e76326 | 1451 | |
d9572179 | 1452 | if (firstTimeInit) { |
62e76326 | 1453 | firstTimeInit = 0; |
62e76326 | 1454 | CBDATA_INIT_TYPE_FREECB(externalAclState, free_externalAclState); |
d9572179 | 1455 | } |
ea391f18 FC |
1456 | |
1457 | externalAclRegisterWithCacheManager(); | |
d9572179 | 1458 | } |
1459 | ||
1460 | void | |
1461 | externalAclShutdown(void) | |
1462 | { | |
1463 | external_acl *p; | |
62e76326 | 1464 | |
d9572179 | 1465 | for (p = Config.externalAclHelperList; p; p = p->next) { |
62e76326 | 1466 | helperShutdown(p->theHelper); |
d9572179 | 1467 | } |
1468 | } | |
225b7b10 | 1469 | |
1470 | ExternalACLLookup ExternalACLLookup::instance_; | |
1471 | ExternalACLLookup * | |
1472 | ExternalACLLookup::Instance() | |
1473 | { | |
1474 | return &instance_; | |
1475 | } | |
1476 | ||
1477 | void | |
1478 | ExternalACLLookup::checkForAsync(ACLChecklist *checklist)const | |
1479 | { | |
b0dd28ba | 1480 | /* TODO: optimise this - we probably have a pointer to this |
1481 | * around somewhere */ | |
97427e90 | 1482 | ACL *acl = ACL::FindByName(AclMatchedName); |
ab321f4b | 1483 | assert(acl); |
b0dd28ba | 1484 | ACLExternal *me = dynamic_cast<ACLExternal *> (acl); |
1485 | assert (me); | |
225b7b10 | 1486 | checklist->asyncInProgress(true); |
b0dd28ba | 1487 | ACLExternal::ExternalAclLookup(checklist, me, LookupDone, checklist); |
225b7b10 | 1488 | } |
1489 | ||
1490 | void | |
1491 | ExternalACLLookup::LookupDone(void *data, void *result) | |
1492 | { | |
c0941a6a | 1493 | ACLFilledChecklist *checklist = Filled(static_cast<ACLChecklist*>(data)); |
225b7b10 | 1494 | checklist->extacl_entry = cbdataReference((external_acl_entry *)result); |
1495 | checklist->asyncInProgress(false); | |
c059ed04 | 1496 | checklist->changeState (ACLChecklist::NullState::Instance()); |
225b7b10 | 1497 | checklist->check(); |
1498 | } | |
b0dd28ba | 1499 | |
1500 | /* This registers "external" in the registry. To do dynamic definitions | |
1501 | * of external ACL's, rather than a static prototype, have a Prototype instance | |
1502 | * prototype in the class that defines each external acl 'class'. | |
1503 | * Then, then the external acl instance is created, it self registers under | |
1504 | * it's name. | |
1505 | * Be sure that clone is fully functional for that acl class though! | |
1506 | */ | |
1507 | ACL::Prototype ACLExternal::RegistryProtoype(&ACLExternal::RegistryEntry_, "external"); | |
1508 | ||
1509 | ACLExternal ACLExternal::RegistryEntry_("external"); | |
1510 | ||
1511 | ACL * | |
1512 | ACLExternal::clone() const | |
1513 | { | |
1514 | return new ACLExternal(*this); | |
1515 | } | |
1516 | ||
1517 | ACLExternal::ACLExternal (char const *theClass) : data (NULL), class_ (xstrdup (theClass)) | |
1518 | {} | |
1519 | ||
1520 | ACLExternal::ACLExternal (ACLExternal const & old) : data (NULL), class_ (old.class_ ? xstrdup (old.class_) : NULL) | |
1521 | { | |
1522 | /* we don't have copy constructors for the data yet */ | |
1523 | assert (!old.data); | |
1524 | } | |
1525 | ||
b0dd28ba | 1526 | char const * |
1527 | ACLExternal::typeString() const | |
1528 | { | |
1529 | return class_; | |
1530 | } | |
1531 | ||
e870b1f8 | 1532 | bool |
1533 | ACLExternal::isProxyAuth() const | |
1534 | { | |
1535 | return data->def->require_auth; | |
1536 | } |