1 | #ifndef READ_ACCESS_CONTROL 2 | #define READ_ACCESS_CONTROL 3 | 4 | /*************************************** 5 | $Revision: 1.3 $ 6 | 7 | Access Control module (ac). 8 | 9 | Status: NOT REVUED, NOT TESTED 10 | 11 | +html+ <DL COMPACT> 12 | +html+ <DT>Online References: 13 | +html+ <DD><UL> 14 | +html+ </UL> 15 | +html+ </DL> 16 | +html+ <PRE> 17 | +html+ </PRE> 18 | 19 | ******************/ /****************** 20 | Copyright (c) 1999 RIPE NCC 21 | 22 | All Rights Reserved 23 | 24 | Permission to use, copy, modify, and distribute this software and its 25 | documentation for any purpose and without fee is hereby granted, 26 | provided that the above copyright notice appear in all copies and that 27 | both that copyright notice and this permission notice appear in 28 | supporting documentation, and that the name of the author not be 29 | used in advertising or publicity pertaining to distribution of the 30 | software without specific, written prior permission. 31 | 32 | THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING 33 | ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS; IN NO EVENT SHALL 34 | AUTHOR BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY 35 | DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN 36 | AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 37 | OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 38 | ***************************************/ 39 | 40 | #include "erroutines.h" 41 | #include "iproutines.h" 42 | #include "rxroutines.h" 43 | 44 | 45 | #ifdef AC_IMPL 46 | #define EXTDEF 47 | #else 48 | #define EXTDEF extern 49 | #endif 50 | 51 | /* Access control structure */ 52 | typedef struct { 53 | unsigned maxbonus; /* before temporary denial */ 54 | short maxdenials; /* before the permanent ban is set */ 55 | char deny; /* THE ban itself */ 56 | char trustpass; /* has power to pass ip addresses */ 57 | } acl_st; 58 | 59 | 60 | /* Accounting == counters */ 61 | typedef struct { 62 | int connections; 63 | int denials; 64 | int queries; 65 | int public_objects; /* used also for credit, -1 in credit is unlimited */ 66 | int private_objects; /* used also for credit, -1 in credit is unlimited */ 67 | int private_bonus; /* maintained only in runtime tree */ 68 | } acc_st; 69 | 70 | 71 | #define ACC_PLUS 0 72 | #define ACC_MINUS 1 73 | 74 | void AC_init(); 75 | void AC_log(char *hostaddress); 76 | char *AC_to_string(); 77 | char *AC_hostinfo_to_string(); 78 | 79 | 80 | /* MB */ 81 | er_ret_t AC_build(void); 82 | er_ret_t AC_fetch_acc( ip_addr_t *, acc_st *, int ); 83 | er_ret_t AC_check_acl( ip_addr_t *, acc_st *, acc_st *, acc_st *, acl_st *); 84 | void AC_acc_addup(acc_st *, acc_st *, int); 85 | er_ret_t AC_commit(ip_addr_t *, acc_st *); 86 | er_ret_t AC_rxwalkhook_print(rx_node_t *node, int level, int nodecounter, void *con); 87 | er_ret_t AC_rxwalkhook_print_acl(rx_node_t *node, int level, int nodecounter, void *con); 88 | 89 | /* declare global accounting trees */ 90 | EXTDEF rx_tree_t *act_runtime; 91 | EXTDEF rx_tree_t *act_hour; 92 | EXTDEF rx_tree_t *act_minute; 93 | 94 | /* declare global access control list tree */ 95 | EXTDEF rx_tree_t *act_acl; 96 | 97 | 98 | #endif /* READ_ACCESS_CONTROL */