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 * Copyright 2014 Joyent, Inc. All rights reserved. 10 */ 11 12 #ifndef __IPF_STACK_H__ 13 #define __IPF_STACK_H__ 14 15 /* FIXME: appears needed for ip_proxy.h - tcpseq */ 16 #include <net/route.h> 17 #include <netinet/in.h> 18 #include <netinet/in_systm.h> 19 #include <netinet/ip.h> 20 #include <netinet/ip_var.h> 21 #include <netinet/tcp.h> 22 #include <netinet/udp.h> 23 #include <netinet/ip_icmp.h> 24 #include <netinet/tcpip.h> 25 26 #include "ip_compat.h" 27 #include "ip_fil.h" 28 #include "ip_nat.h" 29 #include "ip_frag.h" 30 #include "ip_state.h" 31 #include "ip_proxy.h" 32 #include "ip_auth.h" 33 #include "ip_lookup.h" 34 #include "ip_pool.h" 35 #include "ip_htable.h" 36 #include <net/radix.h> 37 #include <sys/neti.h> 38 #include <sys/hook.h> 39 40 /* 41 * IPF stack instances 42 */ 43 struct ipf_stack { 44 struct ipf_stack *ifs_next; 45 struct ipf_stack **ifs_pnext; 46 struct ipf_stack *ifs_gz_cont_ifs; 47 netid_t ifs_netid; 48 zoneid_t ifs_zone; 49 boolean_t ifs_gz_controlled; 50 51 /* ipf module */ 52 fr_info_t ifs_frcache[2][8]; 53 54 filterstats_t ifs_frstats[2]; 55 frentry_t *ifs_ipfilter[2][2]; 56 frentry_t *ifs_ipfilter6[2][2]; 57 frentry_t *ifs_ipacct6[2][2]; 58 frentry_t *ifs_ipacct[2][2]; 59 #if 0 /* not used */ 60 frentry_t *ifs_ipnatrules[2][2]; 61 #endif 62 frgroup_t *ifs_ipfgroups[IPL_LOGSIZE][2]; 63 int ifs_fr_refcnt; 64 /* 65 * For fr_running: 66 * 0 == loading, 1 = running, -1 = disabled, -2 = unloading 67 */ 68 int ifs_fr_running; 69 int ifs_fr_flags; 70 int ifs_fr_active; 71 int ifs_fr_control_forwarding; 72 int ifs_fr_update_ipid; 73 #if 0 74 ushort_t ifs_fr_ip_id; 75 #endif 76 int ifs_fr_chksrc; 77 int ifs_fr_minttl; 78 int ifs_fr_icmpminfragmtu; 79 int ifs_fr_pass; 80 ulong_t ifs_fr_frouteok[2]; 81 ulong_t ifs_fr_userifqs; 82 ulong_t ifs_fr_badcoalesces[2]; 83 uchar_t ifs_ipf_iss_secret[32]; 84 timeout_id_t ifs_fr_timer_id; 85 #if 0 86 timeout_id_t ifs_synctimeoutid; 87 #endif 88 int ifs_ipf_locks_done; 89 90 ipftoken_t *ifs_ipftokenhead; 91 ipftoken_t **ifs_ipftokentail; 92 93 ipfmutex_t ifs_ipl_mutex; 94 ipfmutex_t ifs_ipf_authmx; 95 ipfmutex_t ifs_ipf_rw; 96 ipfmutex_t ifs_ipf_timeoutlock; 97 ipfrwlock_t ifs_ipf_mutex; 98 ipfrwlock_t ifs_ipf_global; 99 ipfrwlock_t ifs_ipf_frcache; 100 ipfrwlock_t ifs_ip_poolrw; 101 ipfrwlock_t ifs_ipf_frag; 102 ipfrwlock_t ifs_ipf_state; 103 ipfrwlock_t ifs_ipf_nat; 104 ipfrwlock_t ifs_ipf_natfrag; 105 ipfmutex_t ifs_ipf_nat_new; 106 ipfmutex_t ifs_ipf_natio; 107 ipfrwlock_t ifs_ipf_auth; 108 ipfmutex_t ifs_ipf_stinsert; 109 ipfrwlock_t ifs_ipf_ipidfrag; 110 ipfrwlock_t ifs_ipf_tokens; 111 kcondvar_t ifs_iplwait; 112 kcondvar_t ifs_ipfauthwait; 113 114 ipftuneable_t *ifs_ipf_tuneables; 115 ipftuneable_t *ifs_ipf_tunelist; 116 117 /* ip_fil_solaris.c */ 118 hook_t *ifs_ipfhook4_in; 119 hook_t *ifs_ipfhook4_out; 120 hook_t *ifs_ipfhook4_loop_in; 121 hook_t *ifs_ipfhook4_loop_out; 122 hook_t *ifs_ipfhook4_nicevents; 123 hook_t *ifs_ipfhook6_in; 124 hook_t *ifs_ipfhook6_out; 125 hook_t *ifs_ipfhook6_loop_in; 126 hook_t *ifs_ipfhook6_loop_out; 127 hook_t *ifs_ipfhook6_nicevents; 128 129 /* flags to indicate whether hooks are registered. */ 130 boolean_t ifs_hook4_physical_in; 131 boolean_t ifs_hook4_physical_out; 132 boolean_t ifs_hook4_nic_events; 133 boolean_t ifs_hook4_loopback_in; 134 boolean_t ifs_hook4_loopback_out; 135 boolean_t ifs_hook6_physical_in; 136 boolean_t ifs_hook6_physical_out; 137 boolean_t ifs_hook6_nic_events; 138 boolean_t ifs_hook6_loopback_in; 139 boolean_t ifs_hook6_loopback_out; 140 141 int ifs_ipf_loopback; 142 net_handle_t ifs_ipf_ipv4; 143 net_handle_t ifs_ipf_ipv6; 144 145 /* ip_auth.c */ 146 int ifs_fr_authsize; 147 int ifs_fr_authused; 148 int ifs_fr_defaultauthage; 149 int ifs_fr_auth_lock; 150 int ifs_fr_auth_init; 151 fr_authstat_t ifs_fr_authstats; 152 frauth_t *ifs_fr_auth; 153 mb_t **ifs_fr_authpkts; 154 int ifs_fr_authstart; 155 int ifs_fr_authend; 156 int ifs_fr_authnext; 157 frauthent_t *ifs_fae_list; 158 frentry_t *ifs_ipauth; 159 frentry_t *ifs_fr_authlist; 160 161 /* ip_frag.c */ 162 ipfr_t *ifs_ipfr_list; 163 ipfr_t **ifs_ipfr_tail; 164 ipfr_t **ifs_ipfr_heads; 165 166 ipfr_t *ifs_ipfr_natlist; 167 ipfr_t **ifs_ipfr_nattail; 168 ipfr_t **ifs_ipfr_nattab; 169 170 ipfr_t *ifs_ipfr_ipidlist; 171 ipfr_t **ifs_ipfr_ipidtail; 172 ipfr_t **ifs_ipfr_ipidtab; 173 174 ipfrstat_t ifs_ipfr_stats; 175 int ifs_ipfr_inuse; 176 int ifs_ipfr_size; 177 178 int ifs_fr_ipfrttl; 179 int ifs_fr_frag_lock; 180 int ifs_fr_frag_init; 181 ulong_t ifs_fr_ticks; 182 183 frentry_t ifs_frblock; 184 185 /* ip_htable.c */ 186 iphtable_t *ifs_ipf_htables[IPL_LOGSIZE]; 187 ulong_t ifs_ipht_nomem[IPL_LOGSIZE]; 188 ulong_t ifs_ipf_nhtables[IPL_LOGSIZE]; 189 ulong_t ifs_ipf_nhtnodes[IPL_LOGSIZE]; 190 191 /* ip_log.c */ 192 iplog_t **ifs_iplh[IPL_LOGSIZE]; 193 iplog_t *ifs_iplt[IPL_LOGSIZE]; 194 iplog_t *ifs_ipll[IPL_LOGSIZE]; 195 int ifs_iplused[IPL_LOGSIZE]; 196 fr_info_t ifs_iplcrc[IPL_LOGSIZE]; 197 int ifs_ipl_suppress; 198 int ifs_ipl_buffer_sz; 199 int ifs_ipl_logmax; 200 int ifs_ipl_logall; 201 int ifs_ipl_log_init; 202 int ifs_ipl_logsize; 203 204 /* ip_lookup.c */ 205 ip_pool_stat_t ifs_ippoolstat; 206 int ifs_ip_lookup_inited; 207 208 /* ip_nat.c */ 209 /* nat_table[0] -> hashed list sorted by inside (ip, port) */ 210 /* nat_table[1] -> hashed list sorted by outside (ip, port) */ 211 nat_t **ifs_nat_table[2]; 212 nat_t *ifs_nat_instances; 213 ipnat_t *ifs_nat_list; 214 uint_t ifs_ipf_nattable_sz; 215 uint_t ifs_ipf_nattable_max; 216 uint_t ifs_ipf_natrules_sz; 217 uint_t ifs_ipf_rdrrules_sz; 218 uint_t ifs_ipf_hostmap_sz; 219 uint_t ifs_fr_nat_maxbucket; 220 uint_t ifs_fr_nat_maxbucket_reset; 221 uint32_t ifs_nat_masks; 222 uint32_t ifs_rdr_masks; 223 uint32_t ifs_nat6_masks[4]; 224 uint32_t ifs_rdr6_masks[4]; 225 ipnat_t **ifs_nat_rules; 226 ipnat_t **ifs_rdr_rules; 227 hostmap_t **ifs_maptable; 228 hostmap_t *ifs_ipf_hm_maplist; 229 230 ipftq_t ifs_nat_tqb[IPF_TCP_NSTATES]; 231 ipftq_t ifs_nat_udptq; 232 ipftq_t ifs_nat_icmptq; 233 ipftq_t ifs_nat_iptq; 234 ipftq_t *ifs_nat_utqe; 235 int ifs_nat_logging; 236 ulong_t ifs_fr_defnatage; 237 ulong_t ifs_fr_defnatipage; 238 ulong_t ifs_fr_defnaticmpage; 239 natstat_t ifs_nat_stats; 240 int ifs_fr_nat_lock; 241 int ifs_fr_nat_init; 242 uint_t ifs_nat_flush_level_hi; 243 uint_t ifs_nat_flush_level_lo; 244 ulong_t ifs_nat_last_force_flush; 245 int ifs_nat_doflush; 246 247 /* ip_pool.c */ 248 ip_pool_stat_t ifs_ipoolstat; 249 ip_pool_t *ifs_ip_pool_list[IPL_LOGSIZE]; 250 251 /* ip_proxy.c */ 252 ap_session_t *ifs_ap_sess_list; 253 aproxy_t *ifs_ap_proxylist; 254 aproxy_t *ifs_ap_proxies; /* copy of lcl_ap_proxies */ 255 256 /* ip_state.c */ 257 ipstate_t **ifs_ips_table; 258 ulong_t *ifs_ips_seed; 259 int ifs_ips_num; 260 ulong_t ifs_ips_last_force_flush; 261 uint_t ifs_state_flush_level_hi; 262 uint_t ifs_state_flush_level_lo; 263 ips_stat_t ifs_ips_stats; 264 265 ulong_t ifs_fr_tcpidletimeout; 266 ulong_t ifs_fr_tcpclosewait; 267 ulong_t ifs_fr_tcplastack; 268 ulong_t ifs_fr_tcptimeout; 269 ulong_t ifs_fr_tcpclosed; 270 ulong_t ifs_fr_tcphalfclosed; 271 ulong_t ifs_fr_udptimeout; 272 ulong_t ifs_fr_udpacktimeout; 273 ulong_t ifs_fr_icmptimeout; 274 ulong_t ifs_fr_icmpacktimeout; 275 int ifs_fr_statemax; 276 int ifs_fr_statesize; 277 int ifs_fr_state_doflush; 278 int ifs_fr_state_lock; 279 int ifs_fr_state_maxbucket; 280 int ifs_fr_state_maxbucket_reset; 281 int ifs_fr_state_init; 282 int ifs_fr_enable_active; 283 ipftq_t ifs_ips_tqtqb[IPF_TCP_NSTATES]; 284 ipftq_t ifs_ips_udptq; 285 ipftq_t ifs_ips_udpacktq; 286 ipftq_t ifs_ips_iptq; 287 ipftq_t ifs_ips_icmptq; 288 ipftq_t ifs_ips_icmpacktq; 289 ipftq_t ifs_ips_deletetq; 290 ipftq_t *ifs_ips_utqe; 291 int ifs_ipstate_logging; 292 ipstate_t *ifs_ips_list; 293 ulong_t ifs_fr_iptimeout; 294 295 /* radix.c */ 296 int ifs_max_keylen; 297 struct radix_mask *ifs_rn_mkfreelist; 298 struct radix_node_head *ifs_mask_rnhead; 299 char *ifs_addmask_key; 300 char *ifs_rn_zeros; 301 char *ifs_rn_ones; 302 #ifdef KERNEL 303 /* kstats for inbound and outbound */ 304 kstat_t *ifs_kstatp[2]; 305 #endif 306 }; 307 308 #endif /* __IPF_STACK_H__ */ 309