]>
git.ipfire.org Git - thirdparty/squid.git/blob - src/store_key_md5.cc
06f1377a4ab10e75692b4e116eecf200b52d5e43
5 * DEBUG: section 20 Storage Manager MD5 Cache Keys
6 * AUTHOR: Duane Wessels
8 * SQUID Web Proxy Cache http://www.squid-cache.org/
9 * ----------------------------------------------------------
11 * Squid is the result of efforts by numerous individuals from
12 * the Internet community; see the CONTRIBUTORS file for full
13 * details. Many organizations have provided support for Squid's
14 * development; see the SPONSORS file for full details. Squid is
15 * Copyrighted (C) 2001 by the Regents of the University of
16 * California; see the COPYRIGHT file for full details. Squid
17 * incorporates software developed and/or copyrighted by other
18 * sources; see the CREDITS file for full details.
20 * This program is free software; you can redistribute it and/or modify
21 * it under the terms of the GNU General Public License as published by
22 * the Free Software Foundation; either version 2 of the License, or
23 * (at your option) any later version.
25 * This program is distributed in the hope that it will be useful,
26 * but WITHOUT ANY WARRANTY; without even the implied warranty of
27 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
28 * GNU General Public License for more details.
30 * You should have received a copy of the GNU General Public License
31 * along with this program; if not, write to the Free Software
32 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
37 #include "HttpRequest.h"
39 static cache_key null_key
[SQUID_MD5_DIGEST_LENGTH
];
42 storeKeyText(const cache_key
*key
)
44 static char buf
[SQUID_MD5_DIGEST_LENGTH
* 2+1];
47 for (i
= 0; i
< SQUID_MD5_DIGEST_LENGTH
; i
++)
48 snprintf(&buf
[i
*2],sizeof(buf
) - i
*2, "%02X", *(key
+ i
));
54 storeKeyScan(const char *buf
)
56 static unsigned char digest
[SQUID_MD5_DIGEST_LENGTH
];
61 for (i
= 0; i
< SQUID_MD5_DIGEST_LENGTH
; i
++) {
62 t
[0] = *(buf
+ (j
++));
63 t
[1] = *(buf
+ (j
++));
65 *(digest
+ i
) = (unsigned char) strtol(t
, NULL
, 16);
72 storeKeyHashCmp(const void *a
, const void *b
)
74 const unsigned char *A
= (const unsigned char *)a
;
75 const unsigned char *B
= (const unsigned char *)b
;
78 for (i
= 0; i
< SQUID_MD5_DIGEST_LENGTH
; i
++) {
90 storeKeyHashHash(const void *key
, unsigned int n
)
92 /* note, n must be a power of 2! */
93 const unsigned char *digest
= (const unsigned char *)key
;
94 unsigned int i
= digest
[0]
102 storeKeyPrivate(const char *url
, const HttpRequestMethod
& method
, int id
)
104 static cache_key digest
[SQUID_MD5_DIGEST_LENGTH
];
107 debugs(20, 3, "storeKeyPrivate: " << RequestMethodStr(method
) << " " << url
);
109 SquidMD5Update(&M
, (unsigned char *) &id
, sizeof(id
));
110 SquidMD5Update(&M
, (unsigned char *) &method
, sizeof(method
));
111 SquidMD5Update(&M
, (unsigned char *) url
, strlen(url
));
112 SquidMD5Final(digest
, &M
);
117 storeKeyPublic(const char *url
, const HttpRequestMethod
& method
)
119 static cache_key digest
[SQUID_MD5_DIGEST_LENGTH
];
120 unsigned char m
= (unsigned char) method
.id();
123 SquidMD5Update(&M
, &m
, sizeof(m
));
124 SquidMD5Update(&M
, (unsigned char *) url
, strlen(url
));
125 SquidMD5Final(digest
, &M
);
130 storeKeyPublicByRequest(HttpRequest
* request
)
132 return storeKeyPublicByRequestMethod(request
, request
->method
);
136 storeKeyPublicByRequestMethod(HttpRequest
* request
, const HttpRequestMethod
& method
)
138 static cache_key digest
[SQUID_MD5_DIGEST_LENGTH
];
139 unsigned char m
= (unsigned char) method
.id();
140 const char *url
= urlCanonical(request
);
143 SquidMD5Update(&M
, &m
, sizeof(m
));
144 SquidMD5Update(&M
, (unsigned char *) url
, strlen(url
));
146 if (request
->vary_headers
)
147 SquidMD5Update(&M
, (unsigned char *) request
->vary_headers
, strlen(request
->vary_headers
));
149 SquidMD5Final(digest
, &M
);
155 storeKeyDup(const cache_key
* key
)
157 cache_key
*dup
= (cache_key
*)memAllocate(MEM_MD5_DIGEST
);
158 memcpy(dup
, key
, SQUID_MD5_DIGEST_LENGTH
);
163 storeKeyCopy(cache_key
* dst
, const cache_key
* src
)
165 memcpy(dst
, src
, SQUID_MD5_DIGEST_LENGTH
);
170 storeKeyFree(const cache_key
* key
)
172 memFree((void *) key
, MEM_MD5_DIGEST
);
176 storeKeyHashBuckets(int nbuckets
)
187 storeKeyNull(const cache_key
* key
)
189 if (memcmp(key
, null_key
, SQUID_MD5_DIGEST_LENGTH
) == 0)
198 memset(null_key
, '\0', SQUID_MD5_DIGEST_LENGTH
);