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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" | |
62ee09ca | 44 | #include "CacheManager.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 |
a46d2c0e | 56 | #include "client_side.h" |
a2ac85d9 | 57 | #include "HttpRequest.h" |
7b0ca1e8 | 58 | #include "HttpReply.h" |
c0941a6a AR |
59 | #include "auth/Acl.h" |
60 | #include "auth/Gadgets.h" | |
aa839030 | 61 | #include "helper.h" |
0eb49b6d | 62 | #include "MemBuf.h" |
1fa9b1a7 | 63 | #include "rfc1738.h" |
985c86bc | 64 | #include "URLScheme.h" |
d295d770 | 65 | #include "wordlist.h" |
d9572179 | 66 | |
67 | #ifndef DEFAULT_EXTERNAL_ACL_TTL | |
68 | #define DEFAULT_EXTERNAL_ACL_TTL 1 * 60 * 60 | |
69 | #endif | |
d4f2f353 | 70 | #ifndef DEFAULT_EXTERNAL_ACL_CHILDREN |
71 | #define DEFAULT_EXTERNAL_ACL_CHILDREN 5 | |
d9572179 | 72 | #endif |
73 | ||
74 | typedef struct _external_acl_format external_acl_format; | |
62e76326 | 75 | |
c0941a6a | 76 | static char *makeExternalAclKey(ACLFilledChecklist * ch, external_acl_data * acl_data); |
d9572179 | 77 | static void external_acl_cache_delete(external_acl * def, external_acl_entry * entry); |
78 | static int external_acl_entry_expired(external_acl * def, external_acl_entry * entry); | |
47b0c1fa | 79 | static int external_acl_grace_expired(external_acl * def, external_acl_entry * entry); |
d9572179 | 80 | static void external_acl_cache_touch(external_acl * def, external_acl_entry * entry); |
1e5562e3 | 81 | static external_acl_entry *external_acl_cache_add(external_acl * def, const char *key, ExternalACLEntryData const &data); |
d9572179 | 82 | |
83 | /****************************************************************** | |
84 | * external_acl directive | |
85 | */ | |
62e76326 | 86 | |
1e5562e3 | 87 | class external_acl |
62e76326 | 88 | { |
1e5562e3 | 89 | |
90 | public: | |
d9572179 | 91 | external_acl *next; |
1e5562e3 | 92 | |
93 | void add | |
26ac0430 | 94 | (ExternalACLEntry *); |
1e5562e3 | 95 | |
96 | void trimCache(); | |
97 | ||
d9572179 | 98 | int ttl; |
1e5562e3 | 99 | |
d9572179 | 100 | int negative_ttl; |
1e5562e3 | 101 | |
47b0c1fa | 102 | int grace; |
103 | ||
d9572179 | 104 | char *name; |
1e5562e3 | 105 | |
d9572179 | 106 | external_acl_format *format; |
1e5562e3 | 107 | |
d9572179 | 108 | wordlist *cmdline; |
1e5562e3 | 109 | |
48d54e4d | 110 | HelperChildConfig children; |
07eca7e0 | 111 | |
e6ccf245 | 112 | helper *theHelper; |
1e5562e3 | 113 | |
d9572179 | 114 | hash_table *cache; |
1e5562e3 | 115 | |
d9572179 | 116 | dlink_list lru_list; |
1e5562e3 | 117 | |
d9572179 | 118 | int cache_size; |
1e5562e3 | 119 | |
d9572179 | 120 | int cache_entries; |
1e5562e3 | 121 | |
d9572179 | 122 | dlink_list queue; |
1e5562e3 | 123 | |
e870b1f8 | 124 | bool require_auth; |
dc1af3cf | 125 | |
26ac0430 | 126 | enum { |
dc1af3cf | 127 | QUOTE_METHOD_SHELL = 1, |
128 | QUOTE_METHOD_URL | |
2fadd50d | 129 | } quote; |
cc192b50 | 130 | |
ad61a2b4 | 131 | IpAddress local_addr; |
d9572179 | 132 | }; |
133 | ||
26ac0430 | 134 | struct _external_acl_format { |
4ecc6631 | 135 | enum format_type { |
62e76326 | 136 | EXT_ACL_UNKNOWN, |
137 | EXT_ACL_LOGIN, | |
7a16973f | 138 | #if USE_IDENT |
62e76326 | 139 | EXT_ACL_IDENT, |
7a16973f | 140 | #endif |
62e76326 | 141 | EXT_ACL_SRC, |
47b0c1fa | 142 | EXT_ACL_SRCPORT, |
a98c2da5 AJ |
143 | #if USE_SQUID_EUI |
144 | EXT_ACL_SRCEUI48, | |
145 | EXT_ACL_SRCEUI64, | |
146 | #endif | |
47b0c1fa | 147 | EXT_ACL_MYADDR, |
148 | EXT_ACL_MYPORT, | |
3cf6e9c5 | 149 | EXT_ACL_URI, |
62e76326 | 150 | EXT_ACL_DST, |
151 | EXT_ACL_PROTO, | |
152 | EXT_ACL_PORT, | |
153 | EXT_ACL_PATH, | |
154 | EXT_ACL_METHOD, | |
7b0ca1e8 AJ |
155 | |
156 | EXT_ACL_HEADER_REQUEST, | |
157 | EXT_ACL_HEADER_REQUEST_MEMBER, | |
158 | EXT_ACL_HEADER_REQUEST_ID, | |
159 | EXT_ACL_HEADER_REQUEST_ID_MEMBER, | |
160 | ||
161 | EXT_ACL_HEADER_REPLY, | |
162 | EXT_ACL_HEADER_REPLY_MEMBER, | |
163 | EXT_ACL_HEADER_REPLY_ID, | |
164 | EXT_ACL_HEADER_REPLY_ID_MEMBER, | |
165 | ||
a7ad6e4e | 166 | #if USE_SSL |
62e76326 | 167 | EXT_ACL_USER_CERT, |
168 | EXT_ACL_CA_CERT, | |
4ac9968f | 169 | EXT_ACL_USER_CERT_RAW, |
3d61c476 | 170 | EXT_ACL_USER_CERTCHAIN_RAW, |
a7ad6e4e | 171 | #endif |
abb929f0 | 172 | EXT_ACL_EXT_USER, |
62e76326 | 173 | EXT_ACL_END |
d9572179 | 174 | } type; |
175 | external_acl_format *next; | |
176 | char *header; | |
177 | char *member; | |
178 | char separator; | |
179 | http_hdr_type header_id; | |
180 | }; | |
181 | ||
182 | /* FIXME: These are not really cbdata, but it is an easy way | |
183 | * to get them pooled, refcounted, accounted and freed properly... | |
184 | */ | |
185 | CBDATA_TYPE(external_acl); | |
186 | CBDATA_TYPE(external_acl_format); | |
187 | ||
188 | static void | |
189 | free_external_acl_format(void *data) | |
190 | { | |
e6ccf245 | 191 | external_acl_format *p = static_cast<external_acl_format *>(data); |
d9572179 | 192 | safe_free(p->header); |
193 | } | |
194 | ||
195 | static void | |
196 | free_external_acl(void *data) | |
197 | { | |
e6ccf245 | 198 | external_acl *p = static_cast<external_acl *>(data); |
d9572179 | 199 | safe_free(p->name); |
62e76326 | 200 | |
d9572179 | 201 | while (p->format) { |
62e76326 | 202 | external_acl_format *f = p->format; |
203 | p->format = f->next; | |
204 | cbdataFree(f); | |
d9572179 | 205 | } |
62e76326 | 206 | |
d9572179 | 207 | wordlistDestroy(&p->cmdline); |
62e76326 | 208 | |
e6ccf245 | 209 | if (p->theHelper) { |
62e76326 | 210 | helperShutdown(p->theHelper); |
48d54e4d | 211 | delete p->theHelper; |
62e76326 | 212 | p->theHelper = NULL; |
d9572179 | 213 | } |
62e76326 | 214 | |
d9572179 | 215 | while (p->lru_list.tail) |
62e76326 | 216 | external_acl_cache_delete(p, static_cast<external_acl_entry *>(p->lru_list.tail->data)); |
d9572179 | 217 | if (p->cache) |
62e76326 | 218 | hashFreeMemory(p->cache); |
d9572179 | 219 | } |
220 | ||
7b0ca1e8 AJ |
221 | /** |
222 | * Parse the External ACL format %<{.*} and %>{.*} token(s) to pass a specific | |
223 | * request or reply header to external helper. | |
224 | * | |
225 | \param header - the token being parsed (without the identifying prefix) | |
226 | \param type - format enum identifier for this element, pulled from identifying prefix | |
227 | \param format - structure to contain all the info about this format element. | |
228 | */ | |
229 | void | |
4ecc6631 | 230 | parse_header_token(external_acl_format *format, char *header, const _external_acl_format::format_type type) |
7b0ca1e8 AJ |
231 | { |
232 | /* header format */ | |
233 | char *member, *end; | |
234 | ||
235 | /** Cut away the closing brace */ | |
236 | end = strchr(header, '}'); | |
237 | if (end && strlen(end) == 1) | |
238 | *end = '\0'; | |
239 | else | |
240 | self_destruct(); | |
241 | ||
242 | member = strchr(header, ':'); | |
243 | ||
244 | if (member) { | |
245 | /* Split in header and member */ | |
246 | *member++ = '\0'; | |
247 | ||
248 | if (!xisalnum(*member)) | |
249 | format->separator = *member++; | |
250 | else | |
251 | format->separator = ','; | |
252 | ||
253 | format->member = xstrdup(member); | |
254 | ||
26ac0430 | 255 | if (type == _external_acl_format::EXT_ACL_HEADER_REQUEST) |
7b0ca1e8 AJ |
256 | format->type = _external_acl_format::EXT_ACL_HEADER_REQUEST_MEMBER; |
257 | else | |
258 | format->type = _external_acl_format::EXT_ACL_HEADER_REQUEST_MEMBER; | |
259 | } else { | |
260 | format->type = type; | |
261 | } | |
262 | ||
263 | format->header = xstrdup(header); | |
264 | format->header_id = httpHeaderIdByNameDef(header, strlen(header)); | |
265 | ||
266 | if (format->header_id != -1) { | |
267 | if (member) { | |
26ac0430 | 268 | if (type == _external_acl_format::EXT_ACL_HEADER_REQUEST) |
7b0ca1e8 AJ |
269 | format->type = _external_acl_format::EXT_ACL_HEADER_REQUEST_ID_MEMBER; |
270 | else | |
271 | format->type = _external_acl_format::EXT_ACL_HEADER_REPLY_ID_MEMBER; | |
272 | } else { | |
26ac0430 | 273 | if (type == _external_acl_format::EXT_ACL_HEADER_REQUEST) |
7b0ca1e8 AJ |
274 | format->type = _external_acl_format::EXT_ACL_HEADER_REQUEST_ID; |
275 | else | |
276 | format->type = _external_acl_format::EXT_ACL_HEADER_REPLY_ID; | |
277 | } | |
278 | } | |
279 | } | |
280 | ||
d9572179 | 281 | void |
282 | parse_externalAclHelper(external_acl ** list) | |
283 | { | |
284 | external_acl *a; | |
285 | char *token; | |
286 | external_acl_format **p; | |
287 | ||
288 | CBDATA_INIT_TYPE_FREECB(external_acl, free_external_acl); | |
289 | CBDATA_INIT_TYPE_FREECB(external_acl_format, free_external_acl_format); | |
290 | ||
291 | a = cbdataAlloc(external_acl); | |
292 | ||
cc192b50 | 293 | /* set defaults */ |
d9572179 | 294 | a->ttl = DEFAULT_EXTERNAL_ACL_TTL; |
295 | a->negative_ttl = -1; | |
84f795a5 | 296 | a->cache_size = 256*1024; |
48d54e4d AJ |
297 | a->children.n_max = DEFAULT_EXTERNAL_ACL_CHILDREN; |
298 | a->children.n_startup = a->children.n_max; | |
404cfda1 | 299 | a->children.n_idle = 1; |
cc192b50 | 300 | a->local_addr.SetLocalhost(); |
301 | a->quote = external_acl::QUOTE_METHOD_URL; | |
302 | ||
d9572179 | 303 | token = strtok(NULL, w_space); |
62e76326 | 304 | |
d9572179 | 305 | if (!token) |
62e76326 | 306 | self_destruct(); |
307 | ||
d9572179 | 308 | a->name = xstrdup(token); |
309 | ||
310 | token = strtok(NULL, w_space); | |
62e76326 | 311 | |
d9572179 | 312 | /* Parse options */ |
313 | while (token) { | |
62e76326 | 314 | if (strncmp(token, "ttl=", 4) == 0) { |
315 | a->ttl = atoi(token + 4); | |
316 | } else if (strncmp(token, "negative_ttl=", 13) == 0) { | |
317 | a->negative_ttl = atoi(token + 13); | |
07eca7e0 | 318 | } else if (strncmp(token, "children=", 9) == 0) { |
48d54e4d AJ |
319 | a->children.n_max = atoi(token + 9); |
320 | debugs(0, 0, "WARNING: external_acl_type option children=N has been deprecated in favor of children-max=N and children-startup=N"); | |
321 | } else if (strncmp(token, "children-max=", 13) == 0) { | |
322 | a->children.n_max = atoi(token + 13); | |
323 | } else if (strncmp(token, "children-startup=", 17) == 0) { | |
324 | a->children.n_startup = atoi(token + 17); | |
325 | } else if (strncmp(token, "children-idle=", 14) == 0) { | |
326 | a->children.n_idle = atoi(token + 14); | |
07eca7e0 | 327 | } else if (strncmp(token, "concurrency=", 12) == 0) { |
48d54e4d | 328 | a->children.concurrency = atoi(token + 12); |
62e76326 | 329 | } else if (strncmp(token, "cache=", 6) == 0) { |
330 | a->cache_size = atoi(token + 6); | |
47b0c1fa | 331 | } else if (strncmp(token, "grace=", 6) == 0) { |
332 | a->grace = atoi(token + 6); | |
dc1af3cf | 333 | } else if (strcmp(token, "protocol=2.5") == 0) { |
334 | a->quote = external_acl::QUOTE_METHOD_SHELL; | |
335 | } else if (strcmp(token, "protocol=3.0") == 0) { | |
336 | a->quote = external_acl::QUOTE_METHOD_URL; | |
337 | } else if (strcmp(token, "quote=url") == 0) { | |
338 | a->quote = external_acl::QUOTE_METHOD_URL; | |
339 | } else if (strcmp(token, "quote=shell") == 0) { | |
340 | a->quote = external_acl::QUOTE_METHOD_SHELL; | |
cc192b50 | 341 | |
26ac0430 AJ |
342 | /* INET6: allow admin to configure some helpers explicitly to |
343 | bind to IPv4/v6 localhost port. */ | |
cc192b50 | 344 | } else if (strcmp(token, "ipv4") == 0) { |
26ac0430 | 345 | if ( !a->local_addr.SetIPv4() ) { |
cc192b50 | 346 | debugs(3, 0, "WARNING: Error converting " << a->local_addr << " to IPv4 in " << a->name ); |
347 | } | |
348 | } else if (strcmp(token, "ipv6") == 0) { | |
349 | #if !USE_IPV6 | |
350 | debugs(3, 0, "WARNING: --enable-ipv6 required for external ACL helpers to use IPv6: " << a->name ); | |
351 | #else | |
352 | (void)0; | |
353 | #endif | |
62e76326 | 354 | } else { |
355 | break; | |
356 | } | |
357 | ||
358 | token = strtok(NULL, w_space); | |
d9572179 | 359 | } |
62e76326 | 360 | |
6f78f0ed | 361 | /* check that child startup value is sane. */ |
a3cecd6c AJ |
362 | if (a->children.n_startup > a->children.n_max) |
363 | a->children.n_startup = a->children.n_max; | |
48d54e4d | 364 | |
6f78f0ed | 365 | /* check that child idle value is sane. */ |
a3cecd6c AJ |
366 | if (a->children.n_idle > a->children.n_max) |
367 | a->children.n_idle = a->children.n_max; | |
368 | if (a->children.n_idle < 1) | |
369 | a->children.n_idle = 1; | |
48d54e4d | 370 | |
a3cecd6c AJ |
371 | if (a->negative_ttl == -1) |
372 | a->negative_ttl = a->ttl; | |
d9572179 | 373 | |
a3cecd6c AJ |
374 | /* Parse format */ |
375 | p = &a->format; | |
62e76326 | 376 | |
a3cecd6c AJ |
377 | while (token) { |
378 | external_acl_format *format; | |
62e76326 | 379 | |
a3cecd6c | 380 | /* stop on first non-format token found */ |
62e76326 | 381 | |
a3cecd6c AJ |
382 | if (*token != '%') |
383 | break; | |
4a83eecd | 384 | |
a3cecd6c AJ |
385 | format = cbdataAlloc(external_acl_format); |
386 | ||
387 | if (strncmp(token, "%{", 2) == 0) { | |
388 | // deprecated. but assume the old configs all referred to request headers. | |
389 | debugs(82, DBG_IMPORTANT, "WARNING: external_acl_type format %{...} is being replaced by %>{...} for : " << token); | |
390 | parse_header_token(format, (token+2), _external_acl_format::EXT_ACL_HEADER_REQUEST); | |
391 | } else if (strncmp(token, "%>{", 3) == 0) { | |
392 | parse_header_token(format, (token+3), _external_acl_format::EXT_ACL_HEADER_REQUEST); | |
393 | } else if (strncmp(token, "%<{", 3) == 0) { | |
394 | parse_header_token(format, (token+3), _external_acl_format::EXT_ACL_HEADER_REPLY); | |
395 | } else if (strcmp(token, "%LOGIN") == 0) { | |
396 | format->type = _external_acl_format::EXT_ACL_LOGIN; | |
397 | a->require_auth = true; | |
398 | } | |
62e76326 | 399 | |
7a16973f | 400 | #if USE_IDENT |
a3cecd6c AJ |
401 | else if (strcmp(token, "%IDENT") == 0) |
402 | format->type = _external_acl_format::EXT_ACL_IDENT; | |
62e76326 | 403 | |
7a16973f | 404 | #endif |
62e76326 | 405 | |
a3cecd6c AJ |
406 | else if (strcmp(token, "%SRC") == 0) |
407 | format->type = _external_acl_format::EXT_ACL_SRC; | |
408 | else if (strcmp(token, "%SRCPORT") == 0) | |
409 | format->type = _external_acl_format::EXT_ACL_SRCPORT; | |
a98c2da5 | 410 | #if USE_SQUID_EUI |
a3cecd6c AJ |
411 | else if (strcmp(token, "%SRCEUI48") == 0) |
412 | format->type = _external_acl_format::EXT_ACL_SRCEUI48; | |
413 | else if (strcmp(token, "%SRCEUI64") == 0) | |
414 | format->type = _external_acl_format::EXT_ACL_SRCEUI64; | |
a98c2da5 | 415 | #endif |
a3cecd6c AJ |
416 | else if (strcmp(token, "%MYADDR") == 0) |
417 | format->type = _external_acl_format::EXT_ACL_MYADDR; | |
418 | else if (strcmp(token, "%MYPORT") == 0) | |
419 | format->type = _external_acl_format::EXT_ACL_MYPORT; | |
420 | else if (strcmp(token, "%URI") == 0) | |
421 | format->type = _external_acl_format::EXT_ACL_URI; | |
422 | else if (strcmp(token, "%DST") == 0) | |
423 | format->type = _external_acl_format::EXT_ACL_DST; | |
424 | else if (strcmp(token, "%PROTO") == 0) | |
425 | format->type = _external_acl_format::EXT_ACL_PROTO; | |
426 | else if (strcmp(token, "%PORT") == 0) | |
427 | format->type = _external_acl_format::EXT_ACL_PORT; | |
428 | else if (strcmp(token, "%PATH") == 0) | |
429 | format->type = _external_acl_format::EXT_ACL_PATH; | |
430 | else if (strcmp(token, "%METHOD") == 0) | |
431 | format->type = _external_acl_format::EXT_ACL_METHOD; | |
62e76326 | 432 | |
a7ad6e4e | 433 | #if USE_SSL |
a3cecd6c AJ |
434 | else if (strcmp(token, "%USER_CERT") == 0) |
435 | format->type = _external_acl_format::EXT_ACL_USER_CERT_RAW; | |
436 | else if (strcmp(token, "%USER_CERTCHAIN") == 0) | |
437 | format->type = _external_acl_format::EXT_ACL_USER_CERTCHAIN_RAW; | |
438 | else if (strncmp(token, "%USER_CERT_", 11) == 0) { | |
439 | format->type = _external_acl_format::EXT_ACL_USER_CERT; | |
440 | format->header = xstrdup(token + 11); | |
441 | } else if (strncmp(token, "%CA_CERT_", 11) == 0) { | |
442 | format->type = _external_acl_format::EXT_ACL_USER_CERT; | |
443 | format->header = xstrdup(token + 11); | |
444 | } | |
a7ad6e4e | 445 | #endif |
a3cecd6c AJ |
446 | else if (strcmp(token, "%EXT_USER") == 0) |
447 | format->type = _external_acl_format::EXT_ACL_EXT_USER; | |
448 | else { | |
449 | debugs(0,0, "ERROR: Unknown Format token " << token); | |
450 | self_destruct(); | |
451 | } | |
452 | ||
453 | *p = format; | |
454 | p = &format->next; | |
455 | token = strtok(NULL, w_space); | |
456 | } | |
d9572179 | 457 | |
458 | /* There must be at least one format token */ | |
459 | if (!a->format) | |
a3cecd6c | 460 | self_destruct(); |
d9572179 | 461 | |
462 | /* helper */ | |
463 | if (!token) | |
62e76326 | 464 | self_destruct(); |
465 | ||
a3cecd6c | 466 | wordlistAdd(&a->cmdline, token); |
d9572179 | 467 | |
a3cecd6c AJ |
468 | /* arguments */ |
469 | parse_wordlist(&a->cmdline); | |
d9572179 | 470 | |
a3cecd6c AJ |
471 | while (*list) |
472 | list = &(*list)->next; | |
62e76326 | 473 | |
a3cecd6c AJ |
474 | *list = a; |
475 | } | |
d9572179 | 476 | |
477 | void | |
478 | dump_externalAclHelper(StoreEntry * sentry, const char *name, const external_acl * list) | |
479 | { | |
480 | const external_acl *node; | |
481 | const external_acl_format *format; | |
482 | const wordlist *word; | |
62e76326 | 483 | |
d9572179 | 484 | for (node = list; node; node = node->next) { |
62e76326 | 485 | storeAppendPrintf(sentry, "%s %s", name, node->name); |
486 | ||
cc192b50 | 487 | if (!node->local_addr.IsIPv6()) |
488 | storeAppendPrintf(sentry, " ipv4"); | |
489 | else | |
490 | storeAppendPrintf(sentry, " ipv6"); | |
491 | ||
62e76326 | 492 | if (node->ttl != DEFAULT_EXTERNAL_ACL_TTL) |
493 | storeAppendPrintf(sentry, " ttl=%d", node->ttl); | |
494 | ||
495 | if (node->negative_ttl != node->ttl) | |
496 | storeAppendPrintf(sentry, " negative_ttl=%d", node->negative_ttl); | |
497 | ||
47b0c1fa | 498 | if (node->grace) |
499 | storeAppendPrintf(sentry, " grace=%d", node->grace); | |
500 | ||
48d54e4d AJ |
501 | if (node->children.n_max != DEFAULT_EXTERNAL_ACL_CHILDREN) |
502 | storeAppendPrintf(sentry, " children-max=%d", node->children.n_max); | |
62e76326 | 503 | |
48d54e4d AJ |
504 | if (node->children.n_startup != 1) |
505 | storeAppendPrintf(sentry, " children-startup=%d", node->children.n_startup); | |
506 | ||
507 | if (node->children.n_idle != (node->children.n_max + node->children.n_startup) ) | |
508 | storeAppendPrintf(sentry, " children-idle=%d", node->children.n_idle); | |
509 | ||
510 | if (node->children.concurrency) | |
511 | storeAppendPrintf(sentry, " concurrency=%d", node->children.concurrency); | |
07eca7e0 | 512 | |
47b0c1fa | 513 | if (node->cache) |
514 | storeAppendPrintf(sentry, " cache=%d", node->cache_size); | |
515 | ||
62e76326 | 516 | for (format = node->format; format; format = format->next) { |
517 | switch (format->type) { | |
518 | ||
4ecc6631 | 519 | case _external_acl_format::EXT_ACL_HEADER_REQUEST: |
4ecc6631 | 520 | case _external_acl_format::EXT_ACL_HEADER_REQUEST_ID: |
2170db3e | 521 | storeAppendPrintf(sentry, " %%>{%s}", format->header); |
62e76326 | 522 | break; |
523 | ||
4ecc6631 | 524 | case _external_acl_format::EXT_ACL_HEADER_REQUEST_MEMBER: |
4ecc6631 | 525 | case _external_acl_format::EXT_ACL_HEADER_REQUEST_ID_MEMBER: |
2170db3e AJ |
526 | storeAppendPrintf(sentry, " %%>{%s:%s}", format->header, format->member); |
527 | break; | |
528 | ||
529 | case _external_acl_format::EXT_ACL_HEADER_REPLY: | |
530 | case _external_acl_format::EXT_ACL_HEADER_REPLY_ID: | |
531 | storeAppendPrintf(sentry, " %%<{%s}", format->header); | |
532 | break; | |
533 | ||
534 | case _external_acl_format::EXT_ACL_HEADER_REPLY_MEMBER: | |
535 | case _external_acl_format::EXT_ACL_HEADER_REPLY_ID_MEMBER: | |
536 | storeAppendPrintf(sentry, " %%<{%s:%s}", format->header, format->member); | |
62e76326 | 537 | break; |
d9572179 | 538 | #define DUMP_EXT_ACL_TYPE(a) \ |
dc1af3cf | 539 | case _external_acl_format::EXT_ACL_##a: \ |
540 | storeAppendPrintf(sentry, " %%%s", #a); \ | |
541 | break | |
62e76326 | 542 | |
543 | DUMP_EXT_ACL_TYPE(LOGIN); | |
8f45b34c | 544 | #if USE_IDENT |
62e76326 | 545 | |
546 | DUMP_EXT_ACL_TYPE(IDENT); | |
8f45b34c | 547 | #endif |
62e76326 | 548 | |
549 | DUMP_EXT_ACL_TYPE(SRC); | |
47b0c1fa | 550 | DUMP_EXT_ACL_TYPE(SRCPORT); |
a98c2da5 AJ |
551 | #if USE_SQUID_EUI |
552 | DUMP_EXT_ACL_TYPE(SRCEUI48); | |
553 | DUMP_EXT_ACL_TYPE(SRCEUI64); | |
554 | #endif | |
555 | ||
47b0c1fa | 556 | DUMP_EXT_ACL_TYPE(MYADDR); |
557 | DUMP_EXT_ACL_TYPE(MYPORT); | |
3cf6e9c5 | 558 | DUMP_EXT_ACL_TYPE(URI); |
62e76326 | 559 | DUMP_EXT_ACL_TYPE(DST); |
560 | DUMP_EXT_ACL_TYPE(PROTO); | |
561 | DUMP_EXT_ACL_TYPE(PORT); | |
562 | DUMP_EXT_ACL_TYPE(PATH); | |
563 | DUMP_EXT_ACL_TYPE(METHOD); | |
1f183752 | 564 | #if USE_SSL |
62e76326 | 565 | |
4ac9968f | 566 | case _external_acl_format::EXT_ACL_USER_CERT_RAW: |
567 | storeAppendPrintf(sentry, " %%USER_CERT"); | |
568 | break; | |
569 | ||
3d61c476 | 570 | case _external_acl_format::EXT_ACL_USER_CERTCHAIN_RAW: |
571 | storeAppendPrintf(sentry, " %%USER_CERTCHAIN"); | |
572 | break; | |
573 | ||
62e76326 | 574 | case _external_acl_format::EXT_ACL_USER_CERT: |
575 | storeAppendPrintf(sentry, " %%USER_CERT_%s", format->header); | |
576 | break; | |
577 | ||
578 | case _external_acl_format::EXT_ACL_CA_CERT: | |
579 | storeAppendPrintf(sentry, " %%USER_CERT_%s", format->header); | |
580 | break; | |
1f183752 | 581 | #endif |
62e76326 | 582 | |
abb929f0 | 583 | DUMP_EXT_ACL_TYPE(EXT_USER); |
584 | ||
4ecc6631 | 585 | default: |
62e76326 | 586 | fatal("unknown external_acl format error"); |
587 | break; | |
588 | } | |
589 | } | |
590 | ||
591 | for (word = node->cmdline; word; word = word->next) | |
592 | storeAppendPrintf(sentry, " %s", word->key); | |
593 | ||
594 | storeAppendPrintf(sentry, "\n"); | |
d9572179 | 595 | } |
596 | } | |
597 | ||
598 | void | |
599 | free_externalAclHelper(external_acl ** list) | |
600 | { | |
601 | while (*list) { | |
62e76326 | 602 | external_acl *node = *list; |
603 | *list = node->next; | |
604 | node->next = NULL; | |
605 | cbdataFree(node); | |
d9572179 | 606 | } |
607 | } | |
608 | ||
609 | static external_acl * | |
610 | find_externalAclHelper(const char *name) | |
611 | { | |
612 | external_acl *node; | |
613 | ||
614 | for (node = Config.externalAclHelperList; node; node = node->next) { | |
62e76326 | 615 | if (strcmp(node->name, name) == 0) |
616 | return node; | |
d9572179 | 617 | } |
62e76326 | 618 | |
d9572179 | 619 | return NULL; |
620 | } | |
621 | ||
1e5562e3 | 622 | void |
623 | ||
624 | external_acl::add | |
26ac0430 | 625 | (ExternalACLEntry *anEntry) |
1e5562e3 | 626 | { |
627 | trimCache(); | |
628 | assert (anEntry->def == NULL); | |
629 | anEntry->def = this; | |
630 | hash_join(cache, anEntry); | |
631 | dlinkAdd(anEntry, &anEntry->lru, &lru_list); | |
632 | cache_entries++; | |
633 | } | |
634 | ||
635 | void | |
636 | external_acl::trimCache() | |
637 | { | |
638 | if (cache_size && cache_entries >= cache_size) | |
639 | external_acl_cache_delete(this, static_cast<external_acl_entry *>(lru_list.tail->data)); | |
640 | } | |
641 | ||
d9572179 | 642 | |
643 | /****************************************************************** | |
644 | * external acl type | |
645 | */ | |
646 | ||
26ac0430 | 647 | struct _external_acl_data { |
d9572179 | 648 | external_acl *def; |
649 | wordlist *arguments; | |
650 | }; | |
651 | ||
652 | CBDATA_TYPE(external_acl_data); | |
653 | static void | |
654 | free_external_acl_data(void *data) | |
655 | { | |
e6ccf245 | 656 | external_acl_data *p = static_cast<external_acl_data *>(data); |
d9572179 | 657 | wordlistDestroy(&p->arguments); |
658 | cbdataReferenceDone(p->def); | |
659 | } | |
660 | ||
661 | void | |
b0dd28ba | 662 | ACLExternal::parse() |
d9572179 | 663 | { |
d9572179 | 664 | char *token; |
62e76326 | 665 | |
b0dd28ba | 666 | if (data) |
62e76326 | 667 | self_destruct(); |
668 | ||
d9572179 | 669 | CBDATA_INIT_TYPE_FREECB(external_acl_data, free_external_acl_data); |
62e76326 | 670 | |
d9572179 | 671 | data = cbdataAlloc(external_acl_data); |
62e76326 | 672 | |
d9572179 | 673 | token = strtok(NULL, w_space); |
62e76326 | 674 | |
d9572179 | 675 | if (!token) |
62e76326 | 676 | self_destruct(); |
677 | ||
d9572179 | 678 | data->def = cbdataReference(find_externalAclHelper(token)); |
62e76326 | 679 | |
d9572179 | 680 | if (!data->def) |
62e76326 | 681 | self_destruct(); |
682 | ||
4d091667 | 683 | while ((token = strtokFile())) { |
62e76326 | 684 | wordlistAdd(&data->arguments, token); |
d9572179 | 685 | } |
d9572179 | 686 | } |
687 | ||
4b0f5de8 | 688 | bool |
689 | ACLExternal::valid () const | |
690 | { | |
691 | if (data->def->require_auth) { | |
692 | if (authenticateSchemeCount() == 0) { | |
bf8fe701 | 693 | debugs(28, 0, "Can't use proxy auth because no authentication schemes were compiled."); |
4b0f5de8 | 694 | return false; |
695 | } | |
696 | ||
697 | if (authenticateActiveSchemeCount() == 0) { | |
bf8fe701 | 698 | debugs(28, 0, "Can't use proxy auth because no authentication schemes are fully configured."); |
4b0f5de8 | 699 | return false; |
700 | } | |
701 | } | |
702 | ||
703 | return true; | |
704 | } | |
705 | ||
706 | bool | |
707 | ACLExternal::empty () const | |
708 | { | |
709 | return false; | |
710 | } | |
711 | ||
b0dd28ba | 712 | ACLExternal::~ACLExternal() |
d9572179 | 713 | { |
b0dd28ba | 714 | cbdataFree(data); |
715 | safe_free (class_); | |
d9572179 | 716 | } |
717 | ||
b0dd28ba | 718 | static int |
c0941a6a | 719 | aclMatchExternal(external_acl_data *acl, ACLFilledChecklist *ch) |
d9572179 | 720 | { |
721 | int result; | |
722 | external_acl_entry *entry; | |
d9572179 | 723 | const char *key = ""; |
bf8fe701 | 724 | debugs(82, 9, "aclMatchExternal: acl=\"" << acl->def->name << "\""); |
d9572179 | 725 | entry = ch->extacl_entry; |
62e76326 | 726 | |
d9572179 | 727 | if (entry) { |
62e76326 | 728 | if (cbdataReferenceValid(entry) && entry->def == acl->def && |
729 | strcmp((char *)entry->key, key) == 0) { | |
730 | /* Ours, use it.. */ | |
731 | } else { | |
732 | /* Not valid, or not ours.. get rid of it */ | |
733 | cbdataReferenceDone(ch->extacl_entry); | |
734 | entry = NULL; | |
735 | } | |
d9572179 | 736 | } |
62e76326 | 737 | |
4a972fa2 | 738 | external_acl_message = "MISSING REQUIRED INFORMATION"; |
739 | ||
d9572179 | 740 | if (!entry) { |
62e76326 | 741 | if (acl->def->require_auth) { |
742 | int ti; | |
743 | /* Make sure the user is authenticated */ | |
744 | ||
c0941a6a | 745 | if ((ti = AuthenticateAcl(ch)) != 1) { |
bf8fe701 | 746 | debugs(82, 2, "aclMatchExternal: " << acl->def->name << " user not authenticated (" << ti << ")"); |
62e76326 | 747 | return ti; |
748 | } | |
749 | } | |
750 | ||
751 | key = makeExternalAclKey(ch, acl); | |
41218131 | 752 | |
73c18b42 | 753 | if (acl->def->require_auth) |
5d2796f2 | 754 | AUTHUSERREQUESTUNLOCK(ch->auth_user_request, "ACLChecklist via aclMatchExternal"); |
47b0c1fa | 755 | |
41218131 | 756 | if (!key) { |
757 | /* Not sufficient data to process */ | |
758 | return -1; | |
759 | } | |
760 | ||
62e76326 | 761 | entry = static_cast<external_acl_entry *>(hash_lookup(acl->def->cache, key)); |
762 | ||
47b0c1fa | 763 | if (!entry || external_acl_grace_expired(acl->def, entry)) { |
bf8fe701 | 764 | debugs(82, 2, "aclMatchExternal: " << acl->def->name << "(\"" << key << "\") = lookup needed"); |
765 | debugs(82, 2, "aclMatchExternal: \"" << key << "\": entry=@" << | |
766 | entry << ", age=" << (entry ? (long int) squid_curtime - entry->date : 0)); | |
95a83c22 | 767 | |
48d54e4d | 768 | if (acl->def->theHelper->stats.queue_size <= (int)acl->def->theHelper->childs.n_active) { |
bf8fe701 | 769 | debugs(82, 2, "aclMatchExternal: \"" << key << "\": queueing a call."); |
47b0c1fa | 770 | ch->changeState (ExternalACLLookup::Instance()); |
ab321f4b | 771 | |
772 | if (entry == NULL) { | |
bf8fe701 | 773 | debugs(82, 2, "aclMatchExternal: \"" << key << "\": return -1."); |
ab321f4b | 774 | return -1; |
775 | } | |
47b0c1fa | 776 | } else { |
777 | if (!entry) { | |
bf8fe701 | 778 | debugs(82, 1, "aclMatchExternal: '" << acl->def->name << |
779 | "' queue overload. Request rejected '" << key << "'."); | |
4a972fa2 | 780 | external_acl_message = "SYSTEM TOO BUSY, TRY AGAIN LATER"; |
47b0c1fa | 781 | return -1; |
782 | } else { | |
bf8fe701 | 783 | debugs(82, 1, "aclMatchExternal: '" << acl->def->name << |
784 | "' queue overload. Using stale result. '" << key << "'."); | |
47b0c1fa | 785 | /* Fall thru to processing below */ |
786 | } | |
787 | } | |
788 | } | |
d9572179 | 789 | } |
62e76326 | 790 | |
d9572179 | 791 | external_acl_cache_touch(acl->def, entry); |
792 | result = entry->result; | |
a7a42b14 | 793 | external_acl_message = entry->message.termedBuf(); |
4a972fa2 | 794 | |
bf8fe701 | 795 | debugs(82, 2, "aclMatchExternal: " << acl->def->name << " = " << result); |
62e76326 | 796 | |
abb929f0 | 797 | if (ch->request) { |
798 | if (entry->user.size()) | |
799 | ch->request->extacl_user = entry->user; | |
cbd2dc91 | 800 | |
abb929f0 | 801 | if (entry->password.size()) |
802 | ch->request->extacl_passwd = entry->password; | |
62e76326 | 803 | |
abb929f0 | 804 | if (!ch->request->tag.size()) |
805 | ch->request->tag = entry->tag; | |
4a972fa2 | 806 | |
807 | if (entry->log.size()) | |
808 | ch->request->extacl_log = entry->log; | |
8c93a598 HN |
809 | |
810 | if (entry->message.size()) | |
811 | ch->request->extacl_message = entry->message; | |
abb929f0 | 812 | } |
1e5562e3 | 813 | |
d9572179 | 814 | return result; |
815 | } | |
816 | ||
b0dd28ba | 817 | int |
818 | ACLExternal::match(ACLChecklist *checklist) | |
819 | { | |
c0941a6a | 820 | return aclMatchExternal (data, Filled(checklist)); |
b0dd28ba | 821 | } |
822 | ||
d9572179 | 823 | wordlist * |
b0dd28ba | 824 | ACLExternal::dump() const |
d9572179 | 825 | { |
b0dd28ba | 826 | external_acl_data const *acl = data; |
d9572179 | 827 | wordlist *result = NULL; |
828 | wordlist *arg; | |
829 | MemBuf mb; | |
2fe7eff9 | 830 | mb.init(); |
831 | mb.Printf("%s", acl->def->name); | |
62e76326 | 832 | |
d9572179 | 833 | for (arg = acl->arguments; arg; arg = arg->next) { |
2fe7eff9 | 834 | mb.Printf(" %s", arg->key); |
d9572179 | 835 | } |
62e76326 | 836 | |
d9572179 | 837 | wordlistAdd(&result, mb.buf); |
2fe7eff9 | 838 | mb.clean(); |
d9572179 | 839 | return result; |
840 | } | |
841 | ||
842 | /****************************************************************** | |
843 | * external_acl cache | |
844 | */ | |
845 | ||
d9572179 | 846 | static void |
847 | external_acl_cache_touch(external_acl * def, external_acl_entry * entry) | |
848 | { | |
849 | dlinkDelete(&entry->lru, &def->lru_list); | |
850 | dlinkAdd(entry, &entry->lru, &def->lru_list); | |
851 | } | |
852 | ||
853 | static char * | |
c0941a6a | 854 | makeExternalAclKey(ACLFilledChecklist * ch, external_acl_data * acl_data) |
d9572179 | 855 | { |
032785bf | 856 | static MemBuf mb; |
d9572179 | 857 | char buf[256]; |
858 | int first = 1; | |
859 | wordlist *arg; | |
860 | external_acl_format *format; | |
190154cf | 861 | HttpRequest *request = ch->request; |
7b0ca1e8 | 862 | HttpReply *reply = ch->reply; |
2fe7eff9 | 863 | mb.reset(); |
62e76326 | 864 | |
d9572179 | 865 | for (format = acl_data->def->format; format; format = format->next) { |
62e76326 | 866 | const char *str = NULL; |
30abd221 | 867 | String sb; |
62e76326 | 868 | |
869 | switch (format->type) { | |
870 | ||
871 | case _external_acl_format::EXT_ACL_LOGIN: | |
f5691f9c | 872 | assert (ch->auth_user_request); |
873 | str = ch->auth_user_request->username(); | |
62e76326 | 874 | break; |
7a16973f | 875 | #if USE_IDENT |
62e76326 | 876 | |
877 | case _external_acl_format::EXT_ACL_IDENT: | |
878 | str = ch->rfc931; | |
879 | ||
41218131 | 880 | if (!str || !*str) { |
62e76326 | 881 | ch->changeState(IdentLookup::Instance()); |
882 | return NULL; | |
883 | } | |
884 | ||
885 | break; | |
7a16973f | 886 | #endif |
62e76326 | 887 | |
888 | case _external_acl_format::EXT_ACL_SRC: | |
cc192b50 | 889 | str = ch->src_addr.NtoA(buf,sizeof(buf)); |
62e76326 | 890 | break; |
891 | ||
47b0c1fa | 892 | case _external_acl_format::EXT_ACL_SRCPORT: |
cc192b50 | 893 | snprintf(buf, sizeof(buf), "%d", request->client_addr.GetPort()); |
47b0c1fa | 894 | str = buf; |
895 | break; | |
896 | ||
a98c2da5 AJ |
897 | #if USE_SQUID_EUI |
898 | case _external_acl_format::EXT_ACL_SRCEUI48: | |
899 | if (request->client_eui48.encode(buf, sizeof(buf))) | |
900 | str = buf; | |
901 | break; | |
902 | ||
903 | case _external_acl_format::EXT_ACL_SRCEUI64: | |
904 | if (request->client_eui64.encode(buf, sizeof(buf))) | |
905 | str = buf; | |
906 | break; | |
907 | #endif | |
908 | ||
47b0c1fa | 909 | case _external_acl_format::EXT_ACL_MYADDR: |
cc192b50 | 910 | str = request->my_addr.NtoA(buf, sizeof(buf)); |
47b0c1fa | 911 | break; |
912 | ||
913 | case _external_acl_format::EXT_ACL_MYPORT: | |
cc192b50 | 914 | snprintf(buf, sizeof(buf), "%d", request->my_addr.GetPort()); |
47b0c1fa | 915 | str = buf; |
916 | break; | |
917 | ||
3cf6e9c5 | 918 | case _external_acl_format::EXT_ACL_URI: |
919 | str = urlCanonical(request); | |
920 | break; | |
921 | ||
62e76326 | 922 | case _external_acl_format::EXT_ACL_DST: |
cc192b50 | 923 | str = request->GetHost(); |
62e76326 | 924 | break; |
925 | ||
926 | case _external_acl_format::EXT_ACL_PROTO: | |
927 | str = ProtocolStr[request->protocol]; | |
928 | break; | |
929 | ||
930 | case _external_acl_format::EXT_ACL_PORT: | |
931 | snprintf(buf, sizeof(buf), "%d", request->port); | |
932 | str = buf; | |
933 | break; | |
934 | ||
935 | case _external_acl_format::EXT_ACL_PATH: | |
a313a9ba | 936 | str = request->urlpath.termedBuf(); |
62e76326 | 937 | break; |
938 | ||
939 | case _external_acl_format::EXT_ACL_METHOD: | |
60745f24 | 940 | str = RequestMethodStr(request->method); |
62e76326 | 941 | break; |
942 | ||
7b0ca1e8 | 943 | case _external_acl_format::EXT_ACL_HEADER_REQUEST: |
a9925b40 | 944 | sb = request->header.getByName(format->header); |
a313a9ba | 945 | str = sb.termedBuf(); |
62e76326 | 946 | break; |
947 | ||
7b0ca1e8 | 948 | case _external_acl_format::EXT_ACL_HEADER_REQUEST_ID: |
a9925b40 | 949 | sb = request->header.getStrOrList(format->header_id); |
a313a9ba | 950 | str = sb.termedBuf(); |
62e76326 | 951 | break; |
952 | ||
7b0ca1e8 | 953 | case _external_acl_format::EXT_ACL_HEADER_REQUEST_MEMBER: |
a9925b40 | 954 | sb = request->header.getByNameListMember(format->header, format->member, format->separator); |
a313a9ba | 955 | str = sb.termedBuf(); |
62e76326 | 956 | break; |
957 | ||
7b0ca1e8 | 958 | case _external_acl_format::EXT_ACL_HEADER_REQUEST_ID_MEMBER: |
a9925b40 | 959 | sb = request->header.getListMember(format->header_id, format->member, format->separator); |
a313a9ba | 960 | str = sb.termedBuf(); |
62e76326 | 961 | break; |
7b0ca1e8 AJ |
962 | |
963 | case _external_acl_format::EXT_ACL_HEADER_REPLY: | |
26ac0430 | 964 | if (reply) { |
7b0ca1e8 | 965 | sb = reply->header.getByName(format->header); |
a313a9ba | 966 | str = sb.termedBuf(); |
7b0ca1e8 AJ |
967 | } |
968 | break; | |
969 | ||
970 | case _external_acl_format::EXT_ACL_HEADER_REPLY_ID: | |
26ac0430 | 971 | if (reply) { |
7b0ca1e8 | 972 | sb = reply->header.getStrOrList(format->header_id); |
a313a9ba | 973 | str = sb.termedBuf(); |
7b0ca1e8 AJ |
974 | } |
975 | break; | |
976 | ||
977 | case _external_acl_format::EXT_ACL_HEADER_REPLY_MEMBER: | |
26ac0430 | 978 | if (reply) { |
7b0ca1e8 | 979 | sb = reply->header.getByNameListMember(format->header, format->member, format->separator); |
a313a9ba | 980 | str = sb.termedBuf(); |
7b0ca1e8 AJ |
981 | } |
982 | break; | |
983 | ||
984 | case _external_acl_format::EXT_ACL_HEADER_REPLY_ID_MEMBER: | |
26ac0430 | 985 | if (reply) { |
7b0ca1e8 | 986 | sb = reply->header.getListMember(format->header_id, format->member, format->separator); |
a313a9ba | 987 | str = sb.termedBuf(); |
7b0ca1e8 AJ |
988 | } |
989 | break; | |
a7ad6e4e | 990 | #if USE_SSL |
62e76326 | 991 | |
4ac9968f | 992 | case _external_acl_format::EXT_ACL_USER_CERT_RAW: |
993 | ||
85a4b153 | 994 | if (ch->conn() != NULL) { |
4ac9968f | 995 | SSL *ssl = fd_table[ch->conn()->fd].ssl; |
996 | ||
997 | if (ssl) | |
998 | str = sslGetUserCertificatePEM(ssl); | |
999 | } | |
1000 | ||
1001 | break; | |
1002 | ||
3d61c476 | 1003 | case _external_acl_format::EXT_ACL_USER_CERTCHAIN_RAW: |
1004 | ||
85a4b153 | 1005 | if (ch->conn() != NULL) { |
3d61c476 | 1006 | SSL *ssl = fd_table[ch->conn()->fd].ssl; |
1007 | ||
1008 | if (ssl) | |
1009 | str = sslGetUserCertificateChainPEM(ssl); | |
1010 | } | |
1011 | ||
1012 | break; | |
1013 | ||
62e76326 | 1014 | case _external_acl_format::EXT_ACL_USER_CERT: |
1015 | ||
85a4b153 | 1016 | if (ch->conn() != NULL) { |
62e76326 | 1017 | SSL *ssl = fd_table[ch->conn()->fd].ssl; |
1018 | ||
1019 | if (ssl) | |
1020 | str = sslGetUserAttribute(ssl, format->header); | |
1021 | } | |
1022 | ||
1023 | break; | |
1024 | ||
1025 | case _external_acl_format::EXT_ACL_CA_CERT: | |
1026 | ||
85a4b153 | 1027 | if (ch->conn() != NULL) { |
62e76326 | 1028 | SSL *ssl = fd_table[ch->conn()->fd].ssl; |
1029 | ||
1030 | if (ssl) | |
1031 | str = sslGetCAAttribute(ssl, format->header); | |
1032 | } | |
1033 | ||
1034 | break; | |
a7ad6e4e | 1035 | #endif |
62e76326 | 1036 | |
abb929f0 | 1037 | case _external_acl_format::EXT_ACL_EXT_USER: |
a313a9ba | 1038 | str = request->extacl_user.termedBuf(); |
abb929f0 | 1039 | break; |
1040 | ||
62e76326 | 1041 | case _external_acl_format::EXT_ACL_UNKNOWN: |
1042 | ||
1043 | case _external_acl_format::EXT_ACL_END: | |
1044 | fatal("unknown external_acl format error"); | |
1045 | break; | |
1046 | } | |
1047 | ||
1048 | if (str) | |
1049 | if (!*str) | |
1050 | str = NULL; | |
1051 | ||
1052 | if (!str) | |
1053 | str = "-"; | |
1054 | ||
1055 | if (!first) | |
2fe7eff9 | 1056 | mb.append(" ", 1); |
62e76326 | 1057 | |
dc1af3cf | 1058 | if (acl_data->def->quote == external_acl::QUOTE_METHOD_URL) { |
1059 | const char *quoted = rfc1738_escape(str); | |
2fe7eff9 | 1060 | mb.append(quoted, strlen(quoted)); |
dc1af3cf | 1061 | } else { |
1062 | strwordquote(&mb, str); | |
1063 | } | |
62e76326 | 1064 | |
30abd221 | 1065 | sb.clean(); |
62e76326 | 1066 | |
1067 | first = 0; | |
d9572179 | 1068 | } |
62e76326 | 1069 | |
d9572179 | 1070 | for (arg = acl_data->arguments; arg; arg = arg->next) { |
62e76326 | 1071 | if (!first) |
2fe7eff9 | 1072 | mb.append(" ", 1); |
62e76326 | 1073 | |
dc1af3cf | 1074 | if (acl_data->def->quote == external_acl::QUOTE_METHOD_URL) { |
1075 | const char *quoted = rfc1738_escape(arg->key); | |
2fe7eff9 | 1076 | mb.append(quoted, strlen(quoted)); |
dc1af3cf | 1077 | } else { |
1078 | strwordquote(&mb, arg->key); | |
1079 | } | |
62e76326 | 1080 | |
1081 | first = 0; | |
d9572179 | 1082 | } |
62e76326 | 1083 | |
d9572179 | 1084 | return mb.buf; |
d9572179 | 1085 | } |
1086 | ||
1087 | static int | |
1088 | external_acl_entry_expired(external_acl * def, external_acl_entry * entry) | |
1089 | { | |
1090 | if (entry->date + (entry->result == 1 ? def->ttl : def->negative_ttl) < squid_curtime) | |
62e76326 | 1091 | return 1; |
d9572179 | 1092 | else |
62e76326 | 1093 | return 0; |
d9572179 | 1094 | } |
62e76326 | 1095 | |
47b0c1fa | 1096 | static int |
1097 | external_acl_grace_expired(external_acl * def, external_acl_entry * entry) | |
1098 | { | |
1099 | int ttl; | |
1100 | ttl = entry->result == 1 ? def->ttl : def->negative_ttl; | |
1101 | ttl = (ttl * (100 - def->grace)) / 100; | |
1102 | ||
1103 | if (entry->date + ttl < squid_curtime) | |
1104 | return 1; | |
1105 | else | |
1106 | return 0; | |
1107 | } | |
1108 | ||
d9572179 | 1109 | static external_acl_entry * |
1e5562e3 | 1110 | external_acl_cache_add(external_acl * def, const char *key, ExternalACLEntryData const & data) |
d9572179 | 1111 | { |
1e5562e3 | 1112 | ExternalACLEntry *entry = static_cast<ExternalACLEntry *>(hash_lookup(def->cache, key)); |
bf8fe701 | 1113 | debugs(82, 2, "external_acl_cache_add: Adding '" << key << "' = " << data.result); |
62e76326 | 1114 | |
d9572179 | 1115 | if (entry) { |
bf8fe701 | 1116 | debugs(82, 3, "ExternalACLEntry::update: updating existing entry"); |
1e5562e3 | 1117 | entry->update (data); |
62e76326 | 1118 | external_acl_cache_touch(def, entry); |
1119 | ||
1120 | return entry; | |
d9572179 | 1121 | } |
62e76326 | 1122 | |
1e5562e3 | 1123 | entry = new ExternalACLEntry; |
4a8b20e8 | 1124 | entry->key = xstrdup(key); |
1e5562e3 | 1125 | entry->update (data); |
1126 | ||
1127 | def->add | |
1128 | (entry); | |
1129 | ||
d9572179 | 1130 | return entry; |
1131 | } | |
1132 | ||
1133 | static void | |
1134 | external_acl_cache_delete(external_acl * def, external_acl_entry * entry) | |
1135 | { | |
1e5562e3 | 1136 | assert (entry->def == def); |
4a8b20e8 | 1137 | hash_remove_link(def->cache, entry); |
d9572179 | 1138 | dlinkDelete(&entry->lru, &def->lru_list); |
1139 | def->cache_entries -= 1; | |
00d77d6b | 1140 | delete entry; |
d9572179 | 1141 | } |
1142 | ||
1143 | /****************************************************************** | |
1144 | * external_acl helpers | |
1145 | */ | |
1146 | ||
1147 | typedef struct _externalAclState externalAclState; | |
62e76326 | 1148 | |
26ac0430 | 1149 | struct _externalAclState { |
d9572179 | 1150 | EAH *callback; |
1151 | void *callback_data; | |
1152 | char *key; | |
1153 | external_acl *def; | |
1154 | dlink_node list; | |
1155 | externalAclState *queue; | |
1156 | }; | |
1157 | ||
1158 | CBDATA_TYPE(externalAclState); | |
1159 | static void | |
1160 | free_externalAclState(void *data) | |
1161 | { | |
e6ccf245 | 1162 | externalAclState *state = static_cast<externalAclState *>(data); |
d9572179 | 1163 | safe_free(state->key); |
1164 | cbdataReferenceDone(state->callback_data); | |
1165 | cbdataReferenceDone(state->def); | |
1166 | } | |
1167 | ||
d9572179 | 1168 | /* |
1169 | * The helper program receives queries on stdin, one | |
07eca7e0 | 1170 | * per line, and must return the result on on stdout |
d9572179 | 1171 | * |
1172 | * General result syntax: | |
1173 | * | |
1174 | * OK/ERR keyword=value ... | |
1175 | * | |
1176 | * Keywords: | |
1177 | * | |
4a972fa2 | 1178 | * user= The users name (login) |
1179 | * message= Message describing the reason | |
1180 | * tag= A string tag to be applied to the request that triggered the acl match. | |
1181 | * applies to both OK and ERR responses. | |
1182 | * Won't override existing request tags. | |
1183 | * log= A string to be used in access logging | |
d9572179 | 1184 | * |
1185 | * Other keywords may be added to the protocol later | |
1186 | * | |
26ac0430 AJ |
1187 | * value needs to be enclosed in quotes if it may contain whitespace, or |
1188 | * the whitespace escaped using \ (\ escaping obviously also applies to | |
d9572179 | 1189 | * any " characters) |
1190 | */ | |
1191 | ||
1192 | static void | |
1193 | externalAclHandleReply(void *data, char *reply) | |
1194 | { | |
e6ccf245 | 1195 | externalAclState *state = static_cast<externalAclState *>(data); |
d9572179 | 1196 | externalAclState *next; |
d9572179 | 1197 | char *status; |
1198 | char *token; | |
1199 | char *value; | |
1200 | char *t; | |
1e5562e3 | 1201 | ExternalACLEntryData entryData; |
1202 | entryData.result = 0; | |
466090ac | 1203 | external_acl_entry *entry = NULL; |
d9572179 | 1204 | |
bf8fe701 | 1205 | debugs(82, 2, "externalAclHandleReply: reply=\"" << reply << "\""); |
d9572179 | 1206 | |
4960475f | 1207 | if (reply) { |
62e76326 | 1208 | status = strwordtok(reply, &t); |
1209 | ||
1210 | if (status && strcmp(status, "OK") == 0) | |
1e5562e3 | 1211 | entryData.result = 1; |
62e76326 | 1212 | |
1213 | while ((token = strwordtok(NULL, &t))) { | |
1214 | value = strchr(token, '='); | |
1215 | ||
1216 | if (value) { | |
1217 | *value++ = '\0'; /* terminate the token, and move up to the value */ | |
1218 | ||
dc1af3cf | 1219 | if (state->def->quote == external_acl::QUOTE_METHOD_URL) |
1220 | rfc1738_unescape(value); | |
1221 | ||
62e76326 | 1222 | if (strcmp(token, "user") == 0) |
1e5562e3 | 1223 | entryData.user = value; |
d7bd27db | 1224 | else if (strcmp(token, "message") == 0) |
1225 | entryData.message = value; | |
62e76326 | 1226 | else if (strcmp(token, "error") == 0) |
d7bd27db | 1227 | entryData.message = value; |
abb929f0 | 1228 | else if (strcmp(token, "tag") == 0) |
1229 | entryData.tag = value; | |
4a972fa2 | 1230 | else if (strcmp(token, "log") == 0) |
1231 | entryData.log = value; | |
abb929f0 | 1232 | else if (strcmp(token, "password") == 0) |
1233 | entryData.password = value; | |
1234 | else if (strcmp(token, "passwd") == 0) | |
1235 | entryData.password = value; | |
1236 | else if (strcmp(token, "login") == 0) | |
1237 | entryData.user = value; | |
62e76326 | 1238 | } |
1239 | } | |
d9572179 | 1240 | } |
62e76326 | 1241 | |
d9572179 | 1242 | dlinkDelete(&state->list, &state->def->queue); |
62e76326 | 1243 | |
4960475f | 1244 | if (cbdataReferenceValid(state->def)) { |
62e76326 | 1245 | if (reply) |
1e5562e3 | 1246 | entry = external_acl_cache_add(state->def, state->key, entryData); |
62e76326 | 1247 | else { |
2ae2408b | 1248 | external_acl_entry *oldentry = (external_acl_entry *)hash_lookup(state->def->cache, state->key); |
62e76326 | 1249 | |
2ae2408b | 1250 | if (oldentry) |
1251 | external_acl_cache_delete(state->def, oldentry); | |
62e76326 | 1252 | } |
466090ac | 1253 | } |
d9572179 | 1254 | |
1255 | do { | |
62e76326 | 1256 | void *cbdata; |
1257 | cbdataReferenceDone(state->def); | |
1258 | ||
47b0c1fa | 1259 | if (state->callback && cbdataReferenceValidDone(state->callback_data, &cbdata)) |
62e76326 | 1260 | state->callback(cbdata, entry); |
1261 | ||
1262 | next = state->queue; | |
d9572179 | 1263 | |
62e76326 | 1264 | cbdataFree(state); |
d9572179 | 1265 | |
62e76326 | 1266 | state = next; |
d9572179 | 1267 | } while (state); |
1268 | } | |
1269 | ||
1270 | void | |
c0941a6a | 1271 | ACLExternal::ExternalAclLookup(ACLChecklist *checklist, ACLExternal * me, EAH * callback, void *callback_data) |
d9572179 | 1272 | { |
1273 | MemBuf buf; | |
e870b1f8 | 1274 | external_acl_data *acl = me->data; |
d9572179 | 1275 | external_acl *def = acl->def; |
d9572179 | 1276 | externalAclState *state; |
47b0c1fa | 1277 | dlink_node *node; |
1278 | externalAclState *oldstate = NULL; | |
1279 | bool graceful = 0; | |
c8e7608c | 1280 | |
c0941a6a | 1281 | ACLFilledChecklist *ch = Filled(checklist); |
c8e7608c | 1282 | if (acl->def->require_auth) { |
1283 | int ti; | |
1284 | /* Make sure the user is authenticated */ | |
1285 | ||
c0941a6a | 1286 | if ((ti = AuthenticateAcl(ch)) != 1) { |
bf8fe701 | 1287 | debugs(82, 1, "externalAclLookup: " << acl->def->name << |
1288 | " user authentication failure (" << ti << ", ch=" << ch << ")"); | |
c8e7608c | 1289 | callback(callback_data, NULL); |
1290 | return; | |
1291 | } | |
1292 | } | |
1293 | ||
1294 | const char *key = makeExternalAclKey(ch, acl); | |
62e76326 | 1295 | |
d9572179 | 1296 | if (!key) { |
bf8fe701 | 1297 | debugs(82, 1, "externalAclLookup: lookup in '" << def->name << |
1298 | "', prerequisit failure (ch=" << ch << ")"); | |
62e76326 | 1299 | callback(callback_data, NULL); |
1300 | return; | |
d9572179 | 1301 | } |
62e76326 | 1302 | |
bf8fe701 | 1303 | debugs(82, 2, "externalAclLookup: lookup in '" << def->name << "' for '" << key << "'"); |
1304 | ||
c8e7608c | 1305 | external_acl_entry *entry = static_cast<external_acl_entry *>(hash_lookup(def->cache, key)); |
1306 | ||
47b0c1fa | 1307 | if (entry && external_acl_entry_expired(def, entry)) |
1308 | entry = NULL; | |
62e76326 | 1309 | |
47b0c1fa | 1310 | /* Check for a pending lookup to hook into */ |
1311 | for (node = def->queue.head; node; node = node->next) { | |
1312 | externalAclState *oldstatetmp = static_cast<externalAclState *>(node->data); | |
62e76326 | 1313 | |
47b0c1fa | 1314 | if (strcmp(key, oldstatetmp->key) == 0) { |
1315 | oldstate = oldstatetmp; | |
1316 | break; | |
1317 | } | |
1318 | } | |
62e76326 | 1319 | |
47b0c1fa | 1320 | if (entry && external_acl_grace_expired(def, entry)) { |
1321 | if (oldstate) { | |
bf8fe701 | 1322 | debugs(82, 4, "externalAclLookup: in grace period, but already pending lookup ('" << key << "', ch=" << ch << ")"); |
62e76326 | 1323 | callback(callback_data, entry); |
62e76326 | 1324 | return; |
47b0c1fa | 1325 | } else { |
ab321f4b | 1326 | graceful = 1; // grace expired, (neg)ttl did not, and we must start a new lookup. |
62e76326 | 1327 | } |
d9572179 | 1328 | } |
62e76326 | 1329 | |
ab321f4b | 1330 | // The entry is in the cache, grace_ttl did not expired. |
47b0c1fa | 1331 | if (!graceful && entry && !external_acl_grace_expired(def, entry)) { |
1332 | /* Should not really happen, but why not.. */ | |
1333 | callback(callback_data, entry); | |
bf8fe701 | 1334 | debugs(82, 4, "externalAclLookup: no lookup pending for '" << key << "', and grace not expired"); |
1335 | debugs(82, 4, "externalAclLookup: (what tha' hell?)"); | |
47b0c1fa | 1336 | return; |
1337 | } | |
62e76326 | 1338 | |
47b0c1fa | 1339 | /* No pending lookup found. Sumbit to helper */ |
1340 | state = cbdataAlloc(externalAclState); | |
62e76326 | 1341 | |
47b0c1fa | 1342 | state->def = cbdataReference(def); |
62e76326 | 1343 | |
47b0c1fa | 1344 | state->key = xstrdup(key); |
62e76326 | 1345 | |
47b0c1fa | 1346 | if (!graceful) { |
1347 | state->callback = callback; | |
1348 | state->callback_data = cbdataReference(callback_data); | |
d9572179 | 1349 | } |
62e76326 | 1350 | |
47b0c1fa | 1351 | if (oldstate) { |
1352 | /* Hook into pending lookup */ | |
1353 | state->queue = oldstate->queue; | |
1354 | oldstate->queue = state; | |
1355 | } else { | |
1356 | /* Check for queue overload */ | |
1357 | ||
48d54e4d | 1358 | if (def->theHelper->stats.queue_size >= (int)def->theHelper->childs.n_running) { |
bf8fe701 | 1359 | debugs(82, 1, "externalAclLookup: '" << def->name << "' queue overload (ch=" << ch << ")"); |
47b0c1fa | 1360 | cbdataFree(state); |
1361 | callback(callback_data, entry); | |
1362 | return; | |
1363 | } | |
1364 | ||
1365 | /* Send it off to the helper */ | |
2fe7eff9 | 1366 | buf.init(); |
62e76326 | 1367 | |
2fe7eff9 | 1368 | buf.Printf("%s\n", key); |
62e76326 | 1369 | |
bf8fe701 | 1370 | debugs(82, 4, "externalAclLookup: looking up for '" << key << "' in '" << def->name << "'."); |
ab321f4b | 1371 | |
47b0c1fa | 1372 | helperSubmit(def->theHelper, buf.buf, externalAclHandleReply, state); |
62e76326 | 1373 | |
47b0c1fa | 1374 | dlinkAdd(state, &state->list, &def->queue); |
62e76326 | 1375 | |
2fe7eff9 | 1376 | buf.clean(); |
47b0c1fa | 1377 | } |
62e76326 | 1378 | |
47b0c1fa | 1379 | if (graceful) { |
1380 | /* No need to wait during grace period */ | |
bf8fe701 | 1381 | debugs(82, 4, "externalAclLookup: no need to wait for the result of '" << |
1382 | key << "' in '" << def->name << "' (ch=" << ch << ")."); | |
1383 | debugs(82, 4, "externalAclLookup: using cached entry " << entry); | |
ab321f4b | 1384 | |
1385 | if (entry != NULL) { | |
bf8fe701 | 1386 | debugs(82, 4, "externalAclLookup: entry = { date=" << |
1387 | (long unsigned int) entry->date << ", result=" << | |
a313a9ba FC |
1388 | entry->result << ", user=" << entry->user << " tag=" << |
1389 | entry->tag << " log=" << entry->log << " }"); | |
bf8fe701 | 1390 | |
ab321f4b | 1391 | } |
1392 | ||
47b0c1fa | 1393 | callback(callback_data, entry); |
1394 | return; | |
1395 | } | |
ab321f4b | 1396 | |
bf8fe701 | 1397 | debugs(82, 4, "externalAclLookup: will wait for the result of '" << key << |
1398 | "' in '" << def->name << "' (ch=" << ch << ")."); | |
d9572179 | 1399 | } |
1400 | ||
1401 | static void | |
1402 | externalAclStats(StoreEntry * sentry) | |
1403 | { | |
1404 | external_acl *p; | |
1405 | ||
1406 | for (p = Config.externalAclHelperList; p; p = p->next) { | |
62e76326 | 1407 | storeAppendPrintf(sentry, "External ACL Statistics: %s\n", p->name); |
1408 | storeAppendPrintf(sentry, "Cache size: %d\n", p->cache->count); | |
1409 | helperStats(sentry, p->theHelper); | |
1410 | storeAppendPrintf(sentry, "\n"); | |
d9572179 | 1411 | } |
1412 | } | |
1413 | ||
6b7d87bb FC |
1414 | static void |
1415 | externalAclRegisterWithCacheManager(void) | |
1416 | { | |
1417 | CacheManager::GetInstance()-> | |
26ac0430 AJ |
1418 | registerAction("external_acl", |
1419 | "External ACL stats", | |
1420 | externalAclStats, 0, 1); | |
6b7d87bb FC |
1421 | } |
1422 | ||
d9572179 | 1423 | void |
1424 | externalAclInit(void) | |
1425 | { | |
1426 | static int firstTimeInit = 1; | |
1427 | external_acl *p; | |
1428 | ||
1429 | for (p = Config.externalAclHelperList; p; p = p->next) { | |
62e76326 | 1430 | if (!p->cache) |
30abd221 | 1431 | p->cache = hash_create((HASHCMP *) strcmp, hashPrime(1024), hash4); |
62e76326 | 1432 | |
1433 | if (!p->theHelper) | |
48d54e4d | 1434 | p->theHelper = new helper(p->name); |
62e76326 | 1435 | |
1436 | p->theHelper->cmdline = p->cmdline; | |
1437 | ||
48d54e4d | 1438 | p->theHelper->childs = p->children; |
07eca7e0 | 1439 | |
62e76326 | 1440 | p->theHelper->ipc_type = IPC_TCP_SOCKET; |
1441 | ||
cc192b50 | 1442 | p->theHelper->addr = p->local_addr; |
1443 | ||
62e76326 | 1444 | helperOpenServers(p->theHelper); |
d9572179 | 1445 | } |
62e76326 | 1446 | |
d9572179 | 1447 | if (firstTimeInit) { |
62e76326 | 1448 | firstTimeInit = 0; |
62e76326 | 1449 | CBDATA_INIT_TYPE_FREECB(externalAclState, free_externalAclState); |
d9572179 | 1450 | } |
ea391f18 FC |
1451 | |
1452 | externalAclRegisterWithCacheManager(); | |
d9572179 | 1453 | } |
1454 | ||
1455 | void | |
1456 | externalAclShutdown(void) | |
1457 | { | |
1458 | external_acl *p; | |
62e76326 | 1459 | |
d9572179 | 1460 | for (p = Config.externalAclHelperList; p; p = p->next) { |
62e76326 | 1461 | helperShutdown(p->theHelper); |
d9572179 | 1462 | } |
1463 | } | |
225b7b10 | 1464 | |
1465 | ExternalACLLookup ExternalACLLookup::instance_; | |
1466 | ExternalACLLookup * | |
1467 | ExternalACLLookup::Instance() | |
1468 | { | |
1469 | return &instance_; | |
1470 | } | |
1471 | ||
1472 | void | |
1473 | ExternalACLLookup::checkForAsync(ACLChecklist *checklist)const | |
1474 | { | |
b0dd28ba | 1475 | /* TODO: optimise this - we probably have a pointer to this |
1476 | * around somewhere */ | |
97427e90 | 1477 | ACL *acl = ACL::FindByName(AclMatchedName); |
ab321f4b | 1478 | assert(acl); |
b0dd28ba | 1479 | ACLExternal *me = dynamic_cast<ACLExternal *> (acl); |
1480 | assert (me); | |
225b7b10 | 1481 | checklist->asyncInProgress(true); |
b0dd28ba | 1482 | ACLExternal::ExternalAclLookup(checklist, me, LookupDone, checklist); |
225b7b10 | 1483 | } |
1484 | ||
1485 | void | |
1486 | ExternalACLLookup::LookupDone(void *data, void *result) | |
1487 | { | |
c0941a6a | 1488 | ACLFilledChecklist *checklist = Filled(static_cast<ACLChecklist*>(data)); |
225b7b10 | 1489 | checklist->extacl_entry = cbdataReference((external_acl_entry *)result); |
1490 | checklist->asyncInProgress(false); | |
c059ed04 | 1491 | checklist->changeState (ACLChecklist::NullState::Instance()); |
225b7b10 | 1492 | checklist->check(); |
1493 | } | |
b0dd28ba | 1494 | |
1495 | /* This registers "external" in the registry. To do dynamic definitions | |
1496 | * of external ACL's, rather than a static prototype, have a Prototype instance | |
1497 | * prototype in the class that defines each external acl 'class'. | |
1498 | * Then, then the external acl instance is created, it self registers under | |
1499 | * it's name. | |
1500 | * Be sure that clone is fully functional for that acl class though! | |
1501 | */ | |
1502 | ACL::Prototype ACLExternal::RegistryProtoype(&ACLExternal::RegistryEntry_, "external"); | |
1503 | ||
1504 | ACLExternal ACLExternal::RegistryEntry_("external"); | |
1505 | ||
1506 | ACL * | |
1507 | ACLExternal::clone() const | |
1508 | { | |
1509 | return new ACLExternal(*this); | |
1510 | } | |
1511 | ||
1512 | ACLExternal::ACLExternal (char const *theClass) : data (NULL), class_ (xstrdup (theClass)) | |
1513 | {} | |
1514 | ||
1515 | ACLExternal::ACLExternal (ACLExternal const & old) : data (NULL), class_ (old.class_ ? xstrdup (old.class_) : NULL) | |
1516 | { | |
1517 | /* we don't have copy constructors for the data yet */ | |
1518 | assert (!old.data); | |
1519 | } | |
1520 | ||
b0dd28ba | 1521 | char const * |
1522 | ACLExternal::typeString() const | |
1523 | { | |
1524 | return class_; | |
1525 | } | |
1526 | ||
e870b1f8 | 1527 | bool |
1528 | ACLExternal::isProxyAuth() const | |
1529 | { | |
1530 | return data->def->require_auth; | |
1531 | } |