## modules/ac/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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