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1 | /* | |
2 | * $Id$ | |
3 | * | |
4 | * DEBUG: section 28 Access Control | |
5 | * AUTHOR: Duane Wessels | |
6 | * | |
7 | * SQUID Web Proxy Cache http://www.squid-cache.org/ | |
8 | * ---------------------------------------------------------- | |
9 | * | |
10 | * Squid is the result of efforts by numerous individuals from | |
11 | * the Internet community; see the CONTRIBUTORS file for full | |
12 | * details. Many organizations have provided support for Squid's | |
13 | * development; see the SPONSORS file for full details. Squid is | |
14 | * Copyrighted (C) 2001 by the Regents of the University of | |
15 | * California; see the COPYRIGHT file for full details. Squid | |
16 | * incorporates software developed and/or copyrighted by other | |
17 | * sources; see the CREDITS file for full details. | |
18 | * | |
19 | * This program is free software; you can redistribute it and/or modify | |
20 | * it under the terms of the GNU General Public License as published by | |
21 | * the Free Software Foundation; either version 2 of the License, or | |
22 | * (at your option) any later version. | |
23 | * | |
24 | * This program is distributed in the hope that it will be useful, | |
25 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
26 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
27 | * GNU General Public License for more details. | |
28 | * | |
29 | * You should have received a copy of the GNU General Public License | |
30 | * along with this program; if not, write to the Free Software | |
31 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. | |
32 | * | |
33 | * | |
34 | * Copyright (c) 2003, Robert Collins <robertc@squid-cache.org> | |
35 | */ | |
36 | ||
37 | #include "squid-old.h" | |
38 | #include "acl/TimeData.h" | |
39 | #include "acl/Checklist.h" | |
40 | #include "wordlist.h" | |
41 | ||
42 | ACLTimeData::ACLTimeData () : weekbits (0), start (0), stop (0), next (NULL) {} | |
43 | ||
44 | ACLTimeData::ACLTimeData(ACLTimeData const &old) : weekbits(old.weekbits), start (old.start), stop (old.stop), next (NULL) | |
45 | { | |
46 | if (old.next) | |
47 | next = (ACLTimeData *)old.next->clone(); | |
48 | } | |
49 | ||
50 | ACLTimeData& | |
51 | ACLTimeData::operator=(ACLTimeData const &old) | |
52 | { | |
53 | weekbits = old.weekbits; | |
54 | start = old.start; | |
55 | stop = old.stop; | |
56 | next = NULL; | |
57 | ||
58 | if (old.next) | |
59 | next = (ACLTimeData *)old.next->clone(); | |
60 | ||
61 | return *this; | |
62 | } | |
63 | ||
64 | ACLTimeData::~ACLTimeData() | |
65 | { | |
66 | if (next) | |
67 | delete next; | |
68 | } | |
69 | ||
70 | bool | |
71 | ACLTimeData::match(time_t when) | |
72 | { | |
73 | static time_t last_when = 0; | |
74 | ||
75 | static struct tm tm; | |
76 | time_t t; | |
77 | ||
78 | if (when != last_when) { | |
79 | last_when = when; | |
80 | memcpy(&tm, localtime(&when), sizeof(struct tm)); | |
81 | } | |
82 | ||
83 | t = (time_t) (tm.tm_hour * 60 + tm.tm_min); | |
84 | ACLTimeData *data = this; | |
85 | ||
86 | while (data) { | |
87 | debugs(28, 3, "aclMatchTime: checking " << t << " in " << | |
88 | data->start << "-" << data->stop << ", weekbits=" << | |
89 | std::hex << data->weekbits); | |
90 | ||
91 | if (t >= data->start && t <= data->stop && (data->weekbits & (1 << tm.tm_wday))) | |
92 | return 1; | |
93 | ||
94 | data = data->next; | |
95 | } | |
96 | ||
97 | return 0; | |
98 | } | |
99 | ||
100 | wordlist * | |
101 | ACLTimeData::dump() | |
102 | { | |
103 | wordlist *W = NULL; | |
104 | char buf[128]; | |
105 | ACLTimeData *t = this; | |
106 | ||
107 | while (t != NULL) { | |
108 | snprintf(buf, sizeof(buf), "%c%c%c%c%c%c%c %02d:%02d-%02d:%02d", | |
109 | t->weekbits & ACL_SUNDAY ? 'S' : '-', | |
110 | t->weekbits & ACL_MONDAY ? 'M' : '-', | |
111 | t->weekbits & ACL_TUESDAY ? 'T' : '-', | |
112 | t->weekbits & ACL_WEDNESDAY ? 'W' : '-', | |
113 | t->weekbits & ACL_THURSDAY ? 'H' : '-', | |
114 | t->weekbits & ACL_FRIDAY ? 'F' : '-', | |
115 | t->weekbits & ACL_SATURDAY ? 'A' : '-', | |
116 | t->start / 60, t->start % 60, t->stop / 60, t->stop % 60); | |
117 | wordlistAdd(&W, buf); | |
118 | t = t->next; | |
119 | } | |
120 | ||
121 | return W; | |
122 | } | |
123 | ||
124 | void | |
125 | ACLTimeData::parse() | |
126 | { | |
127 | ACLTimeData **Tail; | |
128 | long parsed_weekbits = 0; | |
129 | ||
130 | for (Tail = &next; *Tail; Tail = &((*Tail)->next)); | |
131 | ACLTimeData *q = NULL; | |
132 | ||
133 | int h1, m1, h2, m2; | |
134 | ||
135 | char *t = NULL; | |
136 | ||
137 | while ((t = strtokFile())) { | |
138 | if (*t < '0' || *t > '9') { | |
139 | /* assume its day-of-week spec */ | |
140 | ||
141 | while (*t) { | |
142 | switch (*t++) { | |
143 | ||
144 | case 'S': | |
145 | parsed_weekbits |= ACL_SUNDAY; | |
146 | break; | |
147 | ||
148 | case 'M': | |
149 | parsed_weekbits |= ACL_MONDAY; | |
150 | break; | |
151 | ||
152 | case 'T': | |
153 | parsed_weekbits |= ACL_TUESDAY; | |
154 | break; | |
155 | ||
156 | case 'W': | |
157 | parsed_weekbits |= ACL_WEDNESDAY; | |
158 | break; | |
159 | ||
160 | case 'H': | |
161 | parsed_weekbits |= ACL_THURSDAY; | |
162 | break; | |
163 | ||
164 | case 'F': | |
165 | parsed_weekbits |= ACL_FRIDAY; | |
166 | break; | |
167 | ||
168 | case 'A': | |
169 | parsed_weekbits |= ACL_SATURDAY; | |
170 | break; | |
171 | ||
172 | case 'D': | |
173 | parsed_weekbits |= ACL_WEEKDAYS; | |
174 | break; | |
175 | ||
176 | case '-': | |
177 | /* ignore placeholder */ | |
178 | break; | |
179 | ||
180 | default: | |
181 | debugs(28, 0, "" << cfg_filename << " line " << config_lineno << | |
182 | ": " << config_input_line); | |
183 | debugs(28, 0, "aclParseTimeSpec: Bad Day '" << *t << "'" ); | |
184 | break; | |
185 | } | |
186 | } | |
187 | } else { | |
188 | /* assume its time-of-day spec */ | |
189 | ||
190 | if ((sscanf(t, "%d:%d-%d:%d", &h1, &m1, &h2, &m2) < 4) || (!((h1 >= 0 && h1 < 24) && ((h2 >= 0 && h2 < 24) || (h2 == 24 && m2 == 0)) && (m1 >= 0 && m1 < 60) && (m2 >= 0 && m2 < 60)))) { | |
191 | debugs(28, 0, "aclParseTimeSpec: Bad time range '" << t << "'"); | |
192 | self_destruct(); | |
193 | ||
194 | if (q != this) | |
195 | delete q; | |
196 | ||
197 | return; | |
198 | } | |
199 | ||
200 | if ((parsed_weekbits == 0) && (start == 0) && (stop == 0)) | |
201 | q = this; | |
202 | else | |
203 | q = new ACLTimeData; | |
204 | ||
205 | q->start = h1 * 60 + m1; | |
206 | ||
207 | q->stop = h2 * 60 + m2; | |
208 | ||
209 | q->weekbits = parsed_weekbits; | |
210 | ||
211 | parsed_weekbits = 0; | |
212 | ||
213 | if (q->start > q->stop) { | |
214 | debugs(28, 0, "aclParseTimeSpec: Reversed time range"); | |
215 | self_destruct(); | |
216 | ||
217 | if (q != this) | |
218 | delete q; | |
219 | ||
220 | return; | |
221 | } | |
222 | ||
223 | if (q->weekbits == 0) | |
224 | q->weekbits = ACL_ALLWEEK; | |
225 | ||
226 | if (q != this) { | |
227 | *(Tail) = q; | |
228 | Tail = &q->next; | |
229 | } | |
230 | } | |
231 | } | |
232 | ||
233 | if (parsed_weekbits) { | |
234 | ||
235 | q = new ACLTimeData; | |
236 | ||
237 | q->start = 0 * 60 + 0; | |
238 | ||
239 | q->stop = 24 * 60 + 0; | |
240 | ||
241 | q->weekbits = parsed_weekbits; | |
242 | ||
243 | *(Tail) = q; | |
244 | Tail = &q->next; | |
245 | } | |
246 | } | |
247 | ||
248 | bool | |
249 | ACLTimeData::empty() const | |
250 | { | |
251 | return false; | |
252 | } | |
253 | ||
254 | ACLData<time_t> * | |
255 | ACLTimeData::clone() const | |
256 | { | |
257 | return new ACLTimeData(*this); | |
258 | } |