1 /* $NetBSD: ipmon.h,v 1.3 2012/10/21 22:57:48 christos Exp $ */ 2 3 /* 4 * Copyright (C) 2012 by Darren Reed. 5 * 6 * See the IPFILTER.LICENCE file for details on licencing. 7 * 8 * @(#)ip_fil.h 1.35 6/5/96 9 * Id: ipmon.h,v 1.1.1.2 2012/07/22 13:44:25 darrenr Exp $ 10 */ 11 12 typedef struct ipmon_msg_s { 13 int imm_msglen; 14 char *imm_msg; 15 int imm_dsize; 16 void *imm_data; 17 time_t imm_when; 18 int imm_loglevel; 19 } ipmon_msg_t; 20 21 typedef void (*ims_destroy_func_t)(void *); 22 typedef void *(*ims_dup_func_t)(void *); 23 typedef int (*ims_match_func_t)(void *, void *); 24 typedef void *(*ims_parse_func_t)(char **); 25 typedef void (*ims_print_func_t)(void *); 26 typedef int (*ims_store_func_t)(void *, ipmon_msg_t *); 27 28 typedef struct ipmon_saver_s { 29 char *ims_name; 30 ims_destroy_func_t ims_destroy; 31 ims_dup_func_t ims_dup; 32 ims_match_func_t ims_match; 33 ims_parse_func_t ims_parse; 34 ims_print_func_t ims_print; 35 ims_store_func_t ims_store; 36 } ipmon_saver_t; 37 38 typedef struct ipmon_saver_int_s { 39 struct ipmon_saver_int_s *imsi_next; 40 ipmon_saver_t *imsi_stor; 41 void *imsi_handle; 42 } ipmon_saver_int_t; 43 44 typedef struct ipmon_doing_s { 45 struct ipmon_doing_s *ipmd_next; 46 void *ipmd_token; 47 ipmon_saver_t *ipmd_saver; 48 /* 49 * ipmd_store is "cached" in this structure to avoid a double 50 * deref when doing saves.... 51 */ 52 int (*ipmd_store)(void *, ipmon_msg_t *); 53 } ipmon_doing_t; 54 55 56 typedef struct ipmon_action { 57 struct ipmon_action *ac_next; 58 int ac_mflag; /* collection of things to compare */ 59 int ac_dflag; /* flags to compliment the doing fields */ 60 int ac_logpri; 61 int ac_direction; 62 char ac_group[FR_GROUPLEN]; 63 char ac_nattag[16]; 64 u_32_t ac_logtag; 65 int ac_type; /* nat/state/ipf */ 66 int ac_proto; 67 int ac_rule; 68 int ac_packet; 69 int ac_second; 70 int ac_result; 71 u_32_t ac_sip; 72 u_32_t ac_smsk; 73 u_32_t ac_dip; 74 u_32_t ac_dmsk; 75 u_short ac_sport; 76 u_short ac_dport; 77 char *ac_iface; 78 /* 79 * used with ac_packet/ac_second 80 */ 81 struct timeval ac_last; 82 int ac_pktcnt; 83 /* 84 * What to do with matches 85 */ 86 ipmon_doing_t *ac_doing; 87 } ipmon_action_t; 88 89 #define ac_lastsec ac_last.tv_sec 90 #define ac_lastusec ac_last.tv_usec 91 92 /* 93 * Flags indicating what fields to do matching upon (ac_mflag). 94 */ 95 #define IPMAC_DIRECTION 0x0001 96 #define IPMAC_DSTIP 0x0002 97 #define IPMAC_DSTPORT 0x0004 98 #define IPMAC_EVERY 0x0008 99 #define IPMAC_GROUP 0x0010 100 #define IPMAC_INTERFACE 0x0020 101 #define IPMAC_LOGTAG 0x0040 102 #define IPMAC_NATTAG 0x0080 103 #define IPMAC_PROTOCOL 0x0100 104 #define IPMAC_RESULT 0x0200 105 #define IPMAC_RULE 0x0400 106 #define IPMAC_SRCIP 0x0800 107 #define IPMAC_SRCPORT 0x1000 108 #define IPMAC_TYPE 0x2000 109 #define IPMAC_WITH 0x4000 110 111 #define IPMR_BLOCK 1 112 #define IPMR_PASS 2 113 #define IPMR_NOMATCH 3 114 #define IPMR_LOG 4 115 116 #define IPMON_SYSLOG 0x001 117 #define IPMON_RESOLVE 0x002 118 #define IPMON_HEXBODY 0x004 119 #define IPMON_HEXHDR 0x010 120 #define IPMON_TAIL 0x020 121 #define IPMON_VERBOSE 0x040 122 #define IPMON_NAT 0x080 123 #define IPMON_STATE 0x100 124 #define IPMON_FILTER 0x200 125 #define IPMON_PORTNUM 0x400 126 #define IPMON_LOGALL (IPMON_NAT|IPMON_STATE|IPMON_FILTER) 127 #define IPMON_LOGBODY 0x800 128 129 #define HOSTNAME_V4(a,b) hostname((a), 4, (u_32_t *)&(b)) 130 131 #ifndef LOGFAC 132 #define LOGFAC LOG_LOCAL0 133 #endif 134 135 extern void dump_config __P((void)); 136 extern int load_config __P((char *)); 137 extern void unload_config __P((void)); 138 extern void dumphex __P((FILE *, int, const void *, size_t)); 139 extern int check_action __P((const char *, const char *, int, int)); 140 extern char *getword __P((int)); 141 extern void *add_doing __P((ipmon_saver_t *)); 142 143