1 /*- 2 * Copyright (c) 2001, 2005 Lev Walkin <vlm@lionet.info>. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $Id: cfgvar.h,v 1.17 2005/03/22 17:55:14 vlm Exp $ 27 */ 28 #ifndef __CFGVAR_H__ 29 #define __CFGVAR_H__ 30 31 #include "ipcad.h" 32 33 /* 34 * IP networks aggregation list. 35 * This list implies linear scan, but should be fine for 36 * small number of aggregated networks. 37 */ 38 struct atable { 39 struct in_addr ip; 40 struct in_addr mask; 41 struct in_addr strip; 42 struct atable *next; 43 int strip_bits; 44 }; 45 46 /* 47 * Ports aggregation table. 48 */ 49 extern int agr_portmap[65536]; 50 51 typedef struct config_s { 52 uid_t set_uid; 53 gid_t set_gid; 54 55 char *chroot_to; 56 char *pidfile; 57 58 char *dump_table_file; /* File to dump the table */ 59 60 unsigned memsize; /* Memory usage size */ 61 unsigned bufsize; /* Capture buffers size */ 62 63 int rsh_ttl; /* Default IP TTL for RSH */ 64 65 packet_source_t *packet_sources_head; 66 67 struct atable *atable; 68 69 int capture_ports; /* Whether to display UDP/TCP ports */ 70 71 int netflow_enabled; /* Whether to perform NetFlow export */ 72 int netflow_version; 73 int netflow_timeout_active; /* Flow timeout, in seconds */ 74 int netflow_timeout_inactive; /* Flow timeout, in seconds */ 75 int netflow_packet_interval; /* Sampling mode, in packets */ 76 int netflow_engine_type; /* v5 engine-type */ 77 int netflow_engine_id; /* v5 engine-id */ 78 } config_t; 79 80 extern pthread_mutex_t packet_sources_list_lock; 81 82 83 /* Globally visible configuration */ 84 extern config_t *conf; 85 86 /* 87 * Run-time global variables 88 */ 89 extern size_t used_memory; 90 91 92 /* 93 * Constructors used by the configuration reader. 94 */ 95 96 packet_source_t *cfg_add_iface(char *, int iflags, char *filter); 97 int cfg_add_rsh_host(char *ru, char *rh, int privlevel); 98 int cfg_check_rsh(char *ru, struct in_addr *); 99 100 int cfg_add_atable(char *ip, char *mask, char *strip); 101 int cfg_add_aggregate_ports_table(int from, int to, int into); 102 103 int cfg_add_ifclass_map(char *ifclass, int range_start, int range_stop); 104 int iface_to_snmp_id(const char *interface_name); 105 106 107 /* 108 * Misc methods. 109 */ 110 111 int make_dump(char *, FILE *); 112 int import_table(char *, FILE *, int clear); 113 114 #endif /* __CFGVAR_H__ */ 115