]>
git.ipfire.org Git - thirdparty/squid.git/blob - src/store_key_md5.cc
3 * DEBUG: section 20 Storage Manager MD5 Cache Keys
4 * AUTHOR: Duane Wessels
6 * SQUID Web Proxy Cache http://www.squid-cache.org/
7 * ----------------------------------------------------------
9 * Squid is the result of efforts by numerous individuals from
10 * the Internet community; see the CONTRIBUTORS file for full
11 * details. Many organizations have provided support for Squid's
12 * development; see the SPONSORS file for full details. Squid is
13 * Copyrighted (C) 2001 by the Regents of the University of
14 * California; see the COPYRIGHT file for full details. Squid
15 * incorporates software developed and/or copyrighted by other
16 * sources; see the CREDITS file for full details.
18 * This program is free software; you can redistribute it and/or modify
19 * it under the terms of the GNU General Public License as published by
20 * the Free Software Foundation; either version 2 of the License, or
21 * (at your option) any later version.
23 * This program is distributed in the hope that it will be useful,
24 * but WITHOUT ANY WARRANTY; without even the implied warranty of
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
26 * GNU General Public License for more details.
28 * You should have received a copy of the GNU General Public License
29 * along with this program; if not, write to the Free Software
30 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
35 #include "HttpRequest.h"
38 #include "store_key_md5.h"
41 static cache_key null_key
[SQUID_MD5_DIGEST_LENGTH
];
44 storeKeyText(const cache_key
*key
)
46 static char buf
[SQUID_MD5_DIGEST_LENGTH
* 2+1];
49 for (i
= 0; i
< SQUID_MD5_DIGEST_LENGTH
; ++i
)
50 snprintf(&buf
[i
*2],sizeof(buf
) - i
*2, "%02X", *(key
+ i
));
56 storeKeyScan(const char *buf
)
58 static unsigned char digest
[SQUID_MD5_DIGEST_LENGTH
];
63 for (i
= 0; i
< SQUID_MD5_DIGEST_LENGTH
; ++i
) {
64 t
[0] = *(buf
+ (j
++));
65 t
[1] = *(buf
+ (j
++));
67 *(digest
+ i
) = (unsigned char) strtol(t
, NULL
, 16);
74 storeKeyHashCmp(const void *a
, const void *b
)
76 const unsigned char *A
= (const unsigned char *)a
;
77 const unsigned char *B
= (const unsigned char *)b
;
80 for (i
= 0; i
< SQUID_MD5_DIGEST_LENGTH
; ++i
) {
92 storeKeyHashHash(const void *key
, unsigned int n
)
94 /* note, n must be a power of 2! */
95 const unsigned char *digest
= (const unsigned char *)key
;
96 unsigned int i
= digest
[0]
104 storeKeyPrivate(const char *url
, const HttpRequestMethod
& method
, int id
)
106 static cache_key digest
[SQUID_MD5_DIGEST_LENGTH
];
109 debugs(20, 3, "storeKeyPrivate: " << RequestMethodStr(method
) << " " << url
);
111 SquidMD5Update(&M
, (unsigned char *) &id
, sizeof(id
));
112 SquidMD5Update(&M
, (unsigned char *) &method
, sizeof(method
));
113 SquidMD5Update(&M
, (unsigned char *) url
, strlen(url
));
114 SquidMD5Final(digest
, &M
);
119 storeKeyPublic(const char *url
, const HttpRequestMethod
& method
)
121 static cache_key digest
[SQUID_MD5_DIGEST_LENGTH
];
122 unsigned char m
= (unsigned char) method
.id();
125 SquidMD5Update(&M
, &m
, sizeof(m
));
126 SquidMD5Update(&M
, (unsigned char *) url
, strlen(url
));
127 SquidMD5Final(digest
, &M
);
132 storeKeyPublicByRequest(HttpRequest
* request
)
134 return storeKeyPublicByRequestMethod(request
, request
->method
);
138 storeKeyPublicByRequestMethod(HttpRequest
* request
, const HttpRequestMethod
& method
)
140 static cache_key digest
[SQUID_MD5_DIGEST_LENGTH
];
141 unsigned char m
= (unsigned char) method
.id();
142 const char *url
= urlCanonical(request
);
145 SquidMD5Update(&M
, &m
, sizeof(m
));
146 SquidMD5Update(&M
, (unsigned char *) url
, strlen(url
));
148 if (request
->vary_headers
)
149 SquidMD5Update(&M
, (unsigned char *) request
->vary_headers
, strlen(request
->vary_headers
));
151 SquidMD5Final(digest
, &M
);
157 storeKeyDup(const cache_key
* key
)
159 cache_key
*dup
= (cache_key
*)memAllocate(MEM_MD5_DIGEST
);
160 memcpy(dup
, key
, SQUID_MD5_DIGEST_LENGTH
);
165 storeKeyCopy(cache_key
* dst
, const cache_key
* src
)
167 memcpy(dst
, src
, SQUID_MD5_DIGEST_LENGTH
);
172 storeKeyFree(const cache_key
* key
)
174 memFree((void *) key
, MEM_MD5_DIGEST
);
178 storeKeyHashBuckets(int nbuckets
)
189 storeKeyNull(const cache_key
* key
)
191 if (memcmp(key
, null_key
, SQUID_MD5_DIGEST_LENGTH
) == 0)
200 memset(null_key
, '\0', SQUID_MD5_DIGEST_LENGTH
);