1 /* 2 * Copyright (C) 1993-2001, 2003 by Darren Reed. 3 * 4 * See the IPFILTER.LICENCE file for details on licencing. 5 * 6 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 7 * Use is subject to license terms. 8 */ 9 10 #ifndef __IPF_STACK_H__ 11 #define __IPF_STACK_H__ 12 13 /* FIXME: appears needed for ip_proxy.h - tcpseq */ 14 #include <net/route.h> 15 #include <netinet/in.h> 16 #include <netinet/in_systm.h> 17 #include <netinet/ip.h> 18 #include <netinet/ip_var.h> 19 #include <netinet/tcp.h> 20 #include <netinet/udp.h> 21 #include <netinet/ip_icmp.h> 22 #include <netinet/tcpip.h> 23 24 #include "ip_compat.h" 25 #include "ip_fil.h" 26 #include "ip_nat.h" 27 #include "ip_frag.h" 28 #include "ip_state.h" 29 #include "ip_proxy.h" 30 #include "ip_auth.h" 31 #include "ip_lookup.h" 32 #include "ip_pool.h" 33 #include "ip_htable.h" 34 #include <net/radix.h> 35 #include <sys/neti.h> 36 #include <sys/hook.h> 37 38 /* 39 * IPF stack instances 40 */ 41 struct ipf_stack { 42 struct ipf_stack *ifs_next; 43 struct ipf_stack **ifs_pnext; 44 netid_t ifs_netid; 45 zoneid_t ifs_zone; 46 47 /* ipf module */ 48 fr_info_t ifs_frcache[2][8]; 49 50 filterstats_t ifs_frstats[2]; 51 frentry_t *ifs_ipfilter[2][2]; 52 frentry_t *ifs_ipfilter6[2][2]; 53 frentry_t *ifs_ipacct6[2][2]; 54 frentry_t *ifs_ipacct[2][2]; 55 #if 0 /* not used */ 56 frentry_t *ifs_ipnatrules[2][2]; 57 #endif 58 frgroup_t *ifs_ipfgroups[IPL_LOGSIZE][2]; 59 int ifs_fr_refcnt; 60 /* 61 * For fr_running: 62 * 0 == loading, 1 = running, -1 = disabled, -2 = unloading 63 */ 64 int ifs_fr_running; 65 int ifs_fr_flags; 66 int ifs_fr_active; 67 int ifs_fr_control_forwarding; 68 int ifs_fr_update_ipid; 69 #if 0 70 ushort_t ifs_fr_ip_id; 71 #endif 72 int ifs_fr_chksrc; 73 int ifs_fr_minttl; 74 int ifs_fr_icmpminfragmtu; 75 int ifs_fr_pass; 76 ulong_t ifs_fr_frouteok[2]; 77 ulong_t ifs_fr_userifqs; 78 ulong_t ifs_fr_badcoalesces[2]; 79 uchar_t ifs_ipf_iss_secret[32]; 80 timeout_id_t ifs_fr_timer_id; 81 #if 0 82 timeout_id_t ifs_synctimeoutid; 83 #endif 84 int ifs_ipf_locks_done; 85 86 ipftoken_t *ifs_ipftokenhead; 87 ipftoken_t **ifs_ipftokentail; 88 89 ipfmutex_t ifs_ipl_mutex; 90 ipfmutex_t ifs_ipf_authmx; 91 ipfmutex_t ifs_ipf_rw; 92 ipfmutex_t ifs_ipf_timeoutlock; 93 ipfrwlock_t ifs_ipf_mutex; 94 ipfrwlock_t ifs_ipf_global; 95 ipfrwlock_t ifs_ipf_frcache; 96 ipfrwlock_t ifs_ip_poolrw; 97 ipfrwlock_t ifs_ipf_frag; 98 ipfrwlock_t ifs_ipf_state; 99 ipfrwlock_t ifs_ipf_nat; 100 ipfrwlock_t ifs_ipf_natfrag; 101 ipfmutex_t ifs_ipf_nat_new; 102 ipfmutex_t ifs_ipf_natio; 103 ipfrwlock_t ifs_ipf_auth; 104 ipfmutex_t ifs_ipf_stinsert; 105 ipfrwlock_t ifs_ipf_ipidfrag; 106 ipfrwlock_t ifs_ipf_tokens; 107 kcondvar_t ifs_iplwait; 108 kcondvar_t ifs_ipfauthwait; 109 110 ipftuneable_t *ifs_ipf_tuneables; 111 ipftuneable_t *ifs_ipf_tunelist; 112 113 /* ip_fil_solaris.c */ 114 hook_t *ifs_ipfhook4_in; 115 hook_t *ifs_ipfhook4_out; 116 hook_t *ifs_ipfhook4_loop_in; 117 hook_t *ifs_ipfhook4_loop_out; 118 hook_t *ifs_ipfhook4_nicevents; 119 hook_t *ifs_ipfhook6_in; 120 hook_t *ifs_ipfhook6_out; 121 hook_t *ifs_ipfhook6_loop_in; 122 hook_t *ifs_ipfhook6_loop_out; 123 hook_t *ifs_ipfhook6_nicevents; 124 125 /* flags to indicate whether hooks are registered. */ 126 boolean_t ifs_hook4_physical_in; 127 boolean_t ifs_hook4_physical_out; 128 boolean_t ifs_hook4_nic_events; 129 boolean_t ifs_hook4_loopback_in; 130 boolean_t ifs_hook4_loopback_out; 131 boolean_t ifs_hook6_physical_in; 132 boolean_t ifs_hook6_physical_out; 133 boolean_t ifs_hook6_nic_events; 134 boolean_t ifs_hook6_loopback_in; 135 boolean_t ifs_hook6_loopback_out; 136 137 int ifs_ipf_loopback; 138 net_handle_t ifs_ipf_ipv4; 139 net_handle_t ifs_ipf_ipv6; 140 141 /* ip_auth.c */ 142 int ifs_fr_authsize; 143 int ifs_fr_authused; 144 int ifs_fr_defaultauthage; 145 int ifs_fr_auth_lock; 146 int ifs_fr_auth_init; 147 fr_authstat_t ifs_fr_authstats; 148 frauth_t *ifs_fr_auth; 149 mb_t **ifs_fr_authpkts; 150 int ifs_fr_authstart; 151 int ifs_fr_authend; 152 int ifs_fr_authnext; 153 frauthent_t *ifs_fae_list; 154 frentry_t *ifs_ipauth; 155 frentry_t *ifs_fr_authlist; 156 157 /* ip_frag.c */ 158 ipfr_t *ifs_ipfr_list; 159 ipfr_t **ifs_ipfr_tail; 160 ipfr_t **ifs_ipfr_heads; 161 162 ipfr_t *ifs_ipfr_natlist; 163 ipfr_t **ifs_ipfr_nattail; 164 ipfr_t **ifs_ipfr_nattab; 165 166 ipfr_t *ifs_ipfr_ipidlist; 167 ipfr_t **ifs_ipfr_ipidtail; 168 ipfr_t **ifs_ipfr_ipidtab; 169 170 ipfrstat_t ifs_ipfr_stats; 171 int ifs_ipfr_inuse; 172 int ifs_ipfr_size; 173 174 int ifs_fr_ipfrttl; 175 int ifs_fr_frag_lock; 176 int ifs_fr_frag_init; 177 ulong_t ifs_fr_ticks; 178 179 frentry_t ifs_frblock; 180 181 /* ip_htable.c */ 182 iphtable_t *ifs_ipf_htables[IPL_LOGSIZE]; 183 ulong_t ifs_ipht_nomem[IPL_LOGSIZE]; 184 ulong_t ifs_ipf_nhtables[IPL_LOGSIZE]; 185 ulong_t ifs_ipf_nhtnodes[IPL_LOGSIZE]; 186 187 /* ip_log.c */ 188 iplog_t **ifs_iplh[IPL_LOGSIZE]; 189 iplog_t *ifs_iplt[IPL_LOGSIZE]; 190 iplog_t *ifs_ipll[IPL_LOGSIZE]; 191 int ifs_iplused[IPL_LOGSIZE]; 192 fr_info_t ifs_iplcrc[IPL_LOGSIZE]; 193 int ifs_ipl_suppress; 194 int ifs_ipl_buffer_sz; 195 int ifs_ipl_logmax; 196 int ifs_ipl_logall; 197 int ifs_ipl_log_init; 198 int ifs_ipl_logsize; 199 200 /* ip_lookup.c */ 201 ip_pool_stat_t ifs_ippoolstat; 202 int ifs_ip_lookup_inited; 203 204 /* ip_nat.c */ 205 /* nat_table[0] -> hashed list sorted by inside (ip, port) */ 206 /* nat_table[1] -> hashed list sorted by outside (ip, port) */ 207 nat_t **ifs_nat_table[2]; 208 nat_t *ifs_nat_instances; 209 ipnat_t *ifs_nat_list; 210 uint_t ifs_ipf_nattable_sz; 211 uint_t ifs_ipf_nattable_max; 212 uint_t ifs_ipf_natrules_sz; 213 uint_t ifs_ipf_rdrrules_sz; 214 uint_t ifs_ipf_hostmap_sz; 215 uint_t ifs_fr_nat_maxbucket; 216 uint_t ifs_fr_nat_maxbucket_reset; 217 uint32_t ifs_nat_masks; 218 uint32_t ifs_rdr_masks; 219 uint32_t ifs_nat6_masks[4]; 220 uint32_t ifs_rdr6_masks[4]; 221 ipnat_t **ifs_nat_rules; 222 ipnat_t **ifs_rdr_rules; 223 hostmap_t **ifs_maptable; 224 hostmap_t *ifs_ipf_hm_maplist; 225 226 ipftq_t ifs_nat_tqb[IPF_TCP_NSTATES]; 227 ipftq_t ifs_nat_udptq; 228 ipftq_t ifs_nat_icmptq; 229 ipftq_t ifs_nat_iptq; 230 ipftq_t *ifs_nat_utqe; 231 int ifs_nat_logging; 232 ulong_t ifs_fr_defnatage; 233 ulong_t ifs_fr_defnatipage; 234 ulong_t ifs_fr_defnaticmpage; 235 natstat_t ifs_nat_stats; 236 int ifs_fr_nat_lock; 237 int ifs_fr_nat_init; 238 uint_t ifs_nat_flush_level_hi; 239 uint_t ifs_nat_flush_level_lo; 240 ulong_t ifs_nat_last_force_flush; 241 int ifs_nat_doflush; 242 243 /* ip_pool.c */ 244 ip_pool_stat_t ifs_ipoolstat; 245 ip_pool_t *ifs_ip_pool_list[IPL_LOGSIZE]; 246 247 /* ip_proxy.c */ 248 ap_session_t *ifs_ap_sess_list; 249 aproxy_t *ifs_ap_proxylist; 250 aproxy_t *ifs_ap_proxies; /* copy of lcl_ap_proxies */ 251 252 /* ip_state.c */ 253 ipstate_t **ifs_ips_table; 254 ulong_t *ifs_ips_seed; 255 int ifs_ips_num; 256 ulong_t ifs_ips_last_force_flush; 257 uint_t ifs_state_flush_level_hi; 258 uint_t ifs_state_flush_level_lo; 259 ips_stat_t ifs_ips_stats; 260 261 ulong_t ifs_fr_tcpidletimeout; 262 ulong_t ifs_fr_tcpclosewait; 263 ulong_t ifs_fr_tcplastack; 264 ulong_t ifs_fr_tcptimeout; 265 ulong_t ifs_fr_tcpclosed; 266 ulong_t ifs_fr_tcphalfclosed; 267 ulong_t ifs_fr_udptimeout; 268 ulong_t ifs_fr_udpacktimeout; 269 ulong_t ifs_fr_icmptimeout; 270 ulong_t ifs_fr_icmpacktimeout; 271 int ifs_fr_statemax; 272 int ifs_fr_statesize; 273 int ifs_fr_state_doflush; 274 int ifs_fr_state_lock; 275 int ifs_fr_state_maxbucket; 276 int ifs_fr_state_maxbucket_reset; 277 int ifs_fr_state_init; 278 int ifs_fr_enable_active; 279 ipftq_t ifs_ips_tqtqb[IPF_TCP_NSTATES]; 280 ipftq_t ifs_ips_udptq; 281 ipftq_t ifs_ips_udpacktq; 282 ipftq_t ifs_ips_iptq; 283 ipftq_t ifs_ips_icmptq; 284 ipftq_t ifs_ips_icmpacktq; 285 ipftq_t ifs_ips_deletetq; 286 ipftq_t *ifs_ips_utqe; 287 int ifs_ipstate_logging; 288 ipstate_t *ifs_ips_list; 289 ulong_t ifs_fr_iptimeout; 290 291 /* radix.c */ 292 int ifs_max_keylen; 293 struct radix_mask *ifs_rn_mkfreelist; 294 struct radix_node_head *ifs_mask_rnhead; 295 char *ifs_addmask_key; 296 char *ifs_rn_zeros; 297 char *ifs_rn_ones; 298 #ifdef KERNEL 299 /* kstats for inbound and outbound */ 300 kstat_t *ifs_kstatp[2]; 301 #endif 302 }; 303 304 #endif /* __IPF_STACK_H__ */ 305