src/afsweb/apache_afs_cache.h

   1 /*
   2  * Copyright 2000, International Business Machines Corporation and others.
   3  * All Rights Reserved.
   4  *
   5  * This software has been released under the terms of the IBM Public
   6  * License.  For details, see the LICENSE file in the top-level source
   7  * directory or online at http://www.openafs.org/dl/license10.html
   8  */
   9
  10 #ifndef _APACHE_AFS_CACHE_H_INCLUDED_
  11 #define _APACHE_AFS_CACHE_H_INCLUDED_
  12
  13 #include <stdio.h>
  14 #include "nsafs.h"
  15
  16 #ifdef AIX
  17 #include <sys/types.h>
  18 #include <net/nh.h>
  19 #endif
  20
  21 #ifndef MAX
  22 #define MAX(A,B)                ((A)>(B)?(A):(B))
  23 #endif /* !MAX */
  24 #ifndef MIN
  25 #define MIN(A,B)                ((A)<(B)?(A):(B))
  26 #endif /* !MAX */
  27
  28 /*
  29  * Macros to manipulate doubly linked lists
  30  */
  31
  32 #define DLL_INIT_LIST(_HEAD, _TAIL) \
  33     { _HEAD = NULL ; _TAIL = NULL; }
  34
  35 #define DLL_INSERT_TAIL(_ELEM, _HEAD, _TAIL, _NEXT, _PREV) \
  36 { \
  37     if (_HEAD == NULL) { \
  38         _ELEM->_NEXT = NULL; \
  39         _ELEM->_PREV = NULL; \
  40         _HEAD = _ELEM; \
  41         _TAIL = _ELEM; \
  42     } else { \
  43         _ELEM->_NEXT = NULL; \
  44         _ELEM->_PREV = _TAIL; \
  45         _TAIL->_NEXT = _ELEM; \
  46         _TAIL = _ELEM; \
  47     } \
  48 }
  49
  50 #define DLL_DELETE(_ELEM, _HEAD, _TAIL, _NEXT, _PREV) \
  51 { \
  52     if (_ELEM->_NEXT == NULL) { \
  53                                   _TAIL = _ELEM->_PREV; \
  54     } else { \
  55                _ELEM->_NEXT->_PREV = _ELEM->_PREV; \
  56            } \
  57     if (_ELEM->_PREV == NULL) { \
  58                                   _HEAD = _ELEM->_NEXT; \
  59     } else { \
  60                _ELEM->_PREV->_NEXT = _ELEM->_NEXT; \
  61            } \
  62     _ELEM->_NEXT = NULL; \
  63     _ELEM->_PREV = NULL; \
  64 }
  65
  66
  67 #define WEBLOG_BUFFER_SIZE      4096    /* Send/Receive buffer size */
  68 #define WEBLOG_MAX_PATH         1024    /* Maximum path length */
  69 #define WEBLOG_USERNAME_MAX     64      /* Maximum username length */
  70 #define WEBLOG_CELLNAME_MAX     64      /* Maximum password length */
  71 #define WEBLOG_PASSWORD_MAX     64
  72 #define WEBLOG_LOGIN_HASH_SIZE  1024    /* MUST be power of two */
  73 #define TEN_MINUTES             600     /* 10 minutes = 600 seconds */
  74
  75 #define MAXBUFF                 1024    /* CHECK THIS - size of token */
  76 /*
  77  * Structure user to store entries in AFS login cache
  78  */
  79 struct weblog_login {
  80     afs_uint32 expiration;
  81     char token[MAXBUFF];
  82     int tokenLen;
  83     char username[WEBLOG_USERNAME_MAX];
  84     char cellname[WEBLOG_CELLNAME_MAX];
  85     char cksum[SHA_HASH_BYTES];
  86     struct weblog_login *next;
  87     struct weblog_login *prev;
  88 };
  89
  90
  91
  92 extern int weblog_login_hash(char *name, char *cell);
  93 extern void weblog_login_checksum(char *user, char *cell, char *passwd,
  94                                   char *cksum);
  95 extern int weblog_login_lookup(char *user, char *cell, char *cksum,
  96                                char *token);
  97 extern int weblog_login_store(char *user, char *cell, char *cksum,
  98                               char *token, int tokenLen,
  99                               afs_uint32 expiration);
 100 extern int getTokenLen(char *token);
 101
 102 #endif /* _APACHE_AFS_CACHE_H_INCLUDED_ */