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f5691f9c | 1 | /* |
f5691f9c | 2 | * DEBUG: section 29 Authenticator |
3 | * AUTHOR: Robert Collins | |
4 | * | |
5 | * SQUID Web Proxy Cache http://www.squid-cache.org/ | |
6 | * ---------------------------------------------------------- | |
7 | * | |
8 | * Squid is the result of efforts by numerous individuals from | |
9 | * the Internet community; see the CONTRIBUTORS file for full | |
10 | * details. Many organizations have provided support for Squid's | |
11 | * development; see the SPONSORS file for full details. Squid is | |
12 | * Copyrighted (C) 2001 by the Regents of the University of | |
13 | * California; see the COPYRIGHT file for full details. Squid | |
14 | * incorporates software developed and/or copyrighted by other | |
15 | * sources; see the CREDITS file for full details. | |
16 | * | |
17 | * This program is free software; you can redistribute it and/or modify | |
18 | * it under the terms of the GNU General Public License as published by | |
19 | * the Free Software Foundation; either version 2 of the License, or | |
20 | * (at your option) any later version. | |
26ac0430 | 21 | * |
f5691f9c | 22 | * This program is distributed in the hope that it will be useful, |
23 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
24 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
25 | * GNU General Public License for more details. | |
26ac0430 | 26 | * |
f5691f9c | 27 | * You should have received a copy of the GNU General Public License |
28 | * along with this program; if not, write to the Free Software | |
29 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. | |
30 | * | |
31 | */ | |
32 | ||
582c2af2 | 33 | #include "squid.h" |
2d2b0bb7 AR |
34 | #include "auth/Config.h" |
35 | #include "auth/UserRequest.h" | |
d4806c91 CT |
36 | #include "cache_cf.h" |
37 | #include "ConfigParser.h" | |
582c2af2 | 38 | #include "Debug.h" |
d4806c91 | 39 | #include "format/Format.h" |
582c2af2 | 40 | #include "globals.h" |
d4806c91 | 41 | #include "Store.h" |
f5691f9c | 42 | |
9f3d2b2e | 43 | Auth::ConfigVector Auth::TheConfig; |
5817ee13 AJ |
44 | |
45 | /** | |
9f3d2b2e AJ |
46 | * Get an User credentials object filled out for the given Proxy- or WWW-Authenticate header. |
47 | * Any decoding which needs to be done will be done. | |
48 | * | |
49 | * It may be a cached AuthUser or a new Unauthenticated object. | |
f5691f9c | 50 | * It may also be NULL reflecting that no user could be created. |
51 | */ | |
c7baff40 | 52 | Auth::UserRequest::Pointer |
d4806c91 | 53 | Auth::Config::CreateAuthUser(const char *proxy_auth, AccessLogEntry::Pointer &al) |
f5691f9c | 54 | { |
55 | assert(proxy_auth != NULL); | |
9f3d2b2e | 56 | debugs(29, 9, HERE << "header = '" << proxy_auth << "'"); |
f5691f9c | 57 | |
9f3d2b2e | 58 | Auth::Config *config = Find(proxy_auth); |
f5691f9c | 59 | |
60 | if (config == NULL || !config->active()) { | |
c6cf8dee | 61 | debugs(29, (shutting_down?3:DBG_IMPORTANT), (shutting_down?"":"WARNING: ") << |
8add28cd | 62 | "Unsupported or unconfigured/inactive proxy-auth scheme, '" << proxy_auth << "'"); |
f5691f9c | 63 | return NULL; |
64 | } | |
d4806c91 CT |
65 | static MemBuf rmb; |
66 | rmb.reset(); | |
67 | if (config->keyExtras) { | |
68 | // %credentials and %username, which normally included in | |
69 | // request_format, are - at this time, but that is OK | |
70 | // because user name is added to key explicitly, and we do | |
71 | // not want to store authenticated credentials at all. | |
72 | config->keyExtras->assemble(rmb, al, 0); | |
73 | } | |
f5691f9c | 74 | |
d4806c91 | 75 | return config->decode(proxy_auth, rmb.hasContent() ? rmb.content() : NULL); |
f5691f9c | 76 | } |
77 | ||
9f3d2b2e AJ |
78 | Auth::Config * |
79 | Auth::Config::Find(const char *proxy_auth) | |
f5691f9c | 80 | { |
9f3d2b2e | 81 | for (Auth::ConfigVector::iterator i = Auth::TheConfig.begin(); i != Auth::TheConfig.end(); ++i) |
f5691f9c | 82 | if (strncasecmp(proxy_auth, (*i)->type(), strlen((*i)->type())) == 0) |
83 | return *i; | |
84 | ||
85 | return NULL; | |
86 | } | |
62ee09ca | 87 | |
9f3d2b2e | 88 | /** Default behaviour is to expose nothing */ |
62ee09ca | 89 | void |
9f3d2b2e | 90 | Auth::Config::registerWithCacheManager(void) |
62ee09ca | 91 | {} |
d4806c91 CT |
92 | |
93 | void | |
94 | Auth::Config::parse(Auth::Config * scheme, int n_configured, char *param_str) | |
95 | { | |
96 | if (strcmp(param_str, "key_extras") == 0) { | |
97 | keyExtrasLine = ConfigParser::NextQuotedToken(); | |
98 | Format::Format *nlf = new ::Format::Format(scheme->type()); | |
99 | if (!nlf->parse(keyExtrasLine.termedBuf())) { | |
100 | debugs(29, DBG_CRITICAL, "FATAL: Failed parsing key_extras formatting value"); | |
101 | self_destruct(); | |
102 | return; | |
103 | } | |
104 | if (keyExtras) | |
105 | delete keyExtras; | |
106 | ||
107 | keyExtras = nlf; | |
108 | ||
109 | if (char *t = strtok(NULL, w_space)) { | |
110 | debugs(29, DBG_CRITICAL, "FATAL: Unexpected argument '" << t << "' after request_format specification"); | |
111 | self_destruct(); | |
112 | } | |
113 | } else { | |
114 | debugs(29, DBG_CRITICAL, "Unrecognised " << scheme->type() << " auth scheme parameter '" << param_str << "'"); | |
115 | } | |
116 | } | |
117 | ||
118 | void | |
119 | Auth::Config::dump(StoreEntry *entry, const char *name, Auth::Config *scheme) | |
120 | { | |
121 | if (keyExtrasLine.size() > 0) | |
122 | storeAppendPrintf(entry, "%s %s key_extras \"%s\"\n", name, scheme->type(), keyExtrasLine.termedBuf()); | |
123 | } | |
124 | ||
125 | void | |
126 | Auth::Config::done() | |
127 | { | |
128 | delete keyExtras; | |
129 | keyExtras = NULL; | |
130 | keyExtrasLine.clean(); | |
131 | } |