include/access_control.h

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FUNCTIONS

This source file includes following functions.

   1 #ifndef READ_ACCESS_CONTROL
   2 #define READ_ACCESS_CONTROL
   3 
   4 /***************************************
   5   $Revision: 1.19 $
   6 
   7   Access Control module (ac) - the header file.
   8 
   9   Status: NOT REVUED, NOT TESTED
  10  
  11   Design and implementation by: Marek Bukowy
  12 
  13   ******************/ /******************
  14   Copyright (c) 1999,2000,2001,2002               RIPE NCC
  15  
  16   All Rights Reserved
  17   
  18   Permission to use, copy, modify, and distribute this software and its
  19   documentation for any purpose and without fee is hereby granted,
  20   provided that the above copyright notice appear in all copies and that
  21   both that copyright notice and this permission notice appear in
  22   supporting documentation, and that the name of the author not be
  23   used in advertising or publicity pertaining to distribution of the
  24   software without specific, written prior permission.
  25   
  26   THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
  27   ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS; IN NO EVENT SHALL
  28   AUTHOR BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY
  29   DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
  30   AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  31   OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  32   ***************************************/
  33 
  34 #include "erroutines.h"
  35 #include "iproutines.h"
  36 #include "rxroutines.h"
  37 #include "mysql_driver.h"
  38 
  39 #ifdef AC_IMPL
  40 #define EXTDEF 
  41 #else
  42 #define EXTDEF extern
  43 #endif
  44 
  45 /* Access control structure */
  46 typedef struct {
  47                         /* max bonus values before temporary denial,
  48                          * -1 == unlimited: */
  49   int      maxprivate;  /* --  private objects */
  50   int      maxpublic;   /* --  public objects */
  51   short    maxdenials;  /* before the permanent ban is set */
  52   char     deny;        /* THE ban itself */
  53   char     trustpass;   /* has power to pass ip addresses */
  54 } acl_st;
  55 
  56 
  57 #ifdef AC_IMPL
  58 /* order must correspond to the array below */
  59 typedef enum {
  60   AC_AR_MAXPRIVATE = 0,
  61     AC_AR_MAXPUBLIC,
  62     AC_AR_MAXDENIALS,
  63     AC_AR_DENY,
  64     AC_AR_TRUSTPASS,
  65     AC_AR_SIZE
  66 } AC_ar_elements;
  67 
  68 /* this array is used for setting the values from the command line
  69    of the admin interface (with getsubopt)
  70 */
  71 char* AC_ar_acl[]  = {
  72   "maxprivate",  
  73   "maxpublic",
  74   "maxdenials",
  75   "deny",
  76   "trustpass",
  77   NULL };
  78 #endif
  79 
  80 
  81 /* Accounting == counters */
  82 typedef struct {
  83   int connections;
  84   int addrpasses;
  85   int denials;
  86   int queries;
  87   int referrals;
  88   int public_objects;     
  89   int private_objects;    
  90   float public_bonus;       /* those two are .. */
  91   float private_bonus;      /* .. maintained only in the runtime tree */
  92 } acc_st;
  93 
  94 
  95 #define ACC_PLUS 0
  96 #define ACC_MINUS 1
  97 
  98 #ifdef __cplusplus
  99 extern "C" {
 100 #endif
 101 
 102 
 103 /* prototypes */
 104 er_ret_t AC_build(void);
 105 er_ret_t AC_fetch_acc( ip_addr_t *, acc_st * );
 106 er_ret_t AC_check_acl( ip_addr_t *, acc_st *, acl_st *);
 107 void AC_acc_addup(acc_st *, acc_st *, int);
 108 er_ret_t AC_commit(ip_addr_t *, acc_st *,acl_st * );
 109 er_ret_t AC_acc_load(void);
 110 er_ret_t AC_decay(void);
 111 
 112 /* interface to modifications on the fly */
 113 er_ret_t AC_asc_ban_set(char *addrstr, char *text, int denyflag);
 114 
 115 
 116 /* printing */
 117 char *AC_credit_to_string(acc_st *a);
 118 unsigned AC_print_acl(GString *output);
 119 unsigned AC_print_access(GString *output);
 120 
 121 int AC_credit_isdenied(acc_st    *acc_credit);
 122 void AC_count_object( acc_st    *acc_credit, acl_st    *acl, int private );
 123 int AC_get_higher_limit(acc_st    *acc_credit, acl_st    *acl);
 124 
 125 er_ret_t AC_asc_acl_command_set( char *command, char *comment );
 126 er_ret_t AC_asc_set_nodeny(char *ip);
 127 SQ_connection_t *AC_dbopen_admin(void);
 128 
 129 #ifdef __cplusplus
 130 }
 131 #endif
 132 
 133 
 134 /* declare global accounting trees */
 135 EXTDEF rx_tree_t  *act_runtime;
 136 EXTDEF rx_tree_t  *act_hour;
 137 EXTDEF rx_tree_t  *act_minute;
 138 
 139 /* declare global access control list tree */
 140 EXTDEF rx_tree_t  *act_acl;
 141 
 142 #undef EXTDEF
 143 #endif /* READ_ACCESS_CONTROL */

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