1 /* $NetBSD: pfctl_parser.h,v 1.5 2008/06/18 09:06:26 yamt Exp $ */ 2 /* $OpenBSD: pfctl_parser.h,v 1.86 2006/10/31 23:46:25 mcbride Exp $ */ 3 4 /* 5 * Copyright (c) 2001 Daniel Hartmeier 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * - Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * - Redistributions in binary form must reproduce the above 15 * copyright notice, this list of conditions and the following 16 * disclaimer in the documentation and/or other materials provided 17 * with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 22 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 23 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 25 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 26 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 27 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 29 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 * 32 */ 33 34 #ifndef _PFCTL_PARSER_H_ 35 #define _PFCTL_PARSER_H_ 36 37 #define PF_OSFP_FILE "/etc/pf.os" 38 39 #define PF_OPT_DISABLE 0x0001 40 #define PF_OPT_ENABLE 0x0002 41 #define PF_OPT_VERBOSE 0x0004 42 #define PF_OPT_NOACTION 0x0008 43 #define PF_OPT_QUIET 0x0010 44 #define PF_OPT_CLRRULECTRS 0x0020 45 #define PF_OPT_USEDNS 0x0040 46 #define PF_OPT_VERBOSE2 0x0080 47 #define PF_OPT_DUMMYACTION 0x0100 48 #define PF_OPT_DEBUG 0x0200 49 #define PF_OPT_SHOWALL 0x0400 50 #define PF_OPT_OPTIMIZE 0x0800 51 #define PF_OPT_MERGE 0x2000 52 #define PF_OPT_RECURSE 0x4000 53 54 #define PF_TH_ALL 0xFF 55 56 #define PF_NAT_PROXY_PORT_LOW 50001 57 #define PF_NAT_PROXY_PORT_HIGH 65535 58 59 #define PF_OPTIMIZE_BASIC 0x0001 60 #define PF_OPTIMIZE_PROFILE 0x0002 61 62 #define FCNT_NAMES { \ 63 "searches", \ 64 "inserts", \ 65 "removals", \ 66 NULL \ 67 } 68 69 struct pfr_buffer; /* forward definition */ 70 71 72 struct pfctl { 73 int dev; 74 int opts; 75 int optimize; 76 int loadopt; 77 int asd; /* anchor stack depth */ 78 int bn; /* brace number */ 79 int brace; 80 int tdirty; /* kernel dirty */ 81 #define PFCTL_ANCHOR_STACK_DEPTH 64 82 struct pf_anchor *astack[PFCTL_ANCHOR_STACK_DEPTH]; 83 struct pfioc_pooladdr paddr; 84 struct pfioc_altq *paltq; 85 struct pfioc_queue *pqueue; 86 struct pfr_buffer *trans; 87 struct pf_anchor *anchor, *alast; 88 const char *ruleset; 89 90 /* 'set foo' options */ 91 u_int32_t timeout[PFTM_MAX]; 92 u_int32_t limit[PF_LIMIT_MAX]; 93 u_int32_t debug; 94 u_int32_t hostid; 95 char *ifname; 96 97 u_int8_t timeout_set[PFTM_MAX]; 98 u_int8_t limit_set[PF_LIMIT_MAX]; 99 u_int8_t debug_set; 100 u_int8_t hostid_set; 101 u_int8_t ifname_set; 102 }; 103 104 struct node_if { 105 char ifname[IFNAMSIZ]; 106 u_int8_t not; 107 u_int8_t dynamic; /* antispoof */ 108 u_int ifa_flags; 109 struct node_if *next; 110 struct node_if *tail; 111 }; 112 113 struct node_host { 114 struct pf_addr_wrap addr; 115 struct pf_addr bcast; 116 struct pf_addr peer; 117 sa_family_t af; 118 u_int8_t not; 119 u_int32_t ifindex; /* link-local IPv6 addrs */ 120 char *ifname; 121 u_int ifa_flags; 122 struct node_host *next; 123 struct node_host *tail; 124 }; 125 126 struct node_os { 127 char *os; 128 pf_osfp_t fingerprint; 129 struct node_os *next; 130 struct node_os *tail; 131 }; 132 133 struct node_queue_bw { 134 u_int32_t bw_absolute; 135 u_int16_t bw_percent; 136 }; 137 138 struct node_hfsc_sc { 139 struct node_queue_bw m1; /* slope of 1st segment; bps */ 140 u_int d; /* x-projection of m1; msec */ 141 struct node_queue_bw m2; /* slope of 2nd segment; bps */ 142 u_int8_t used; 143 }; 144 145 struct node_hfsc_opts { 146 struct node_hfsc_sc realtime; 147 struct node_hfsc_sc linkshare; 148 struct node_hfsc_sc upperlimit; 149 int flags; 150 }; 151 152 struct node_queue_opt { 153 int qtype; 154 union { 155 struct cbq_opts cbq_opts; 156 struct priq_opts priq_opts; 157 struct node_hfsc_opts hfsc_opts; 158 } data; 159 }; 160 161 SIMPLEQ_HEAD(node_tinithead, node_tinit); 162 struct node_tinit { /* table initializer */ 163 SIMPLEQ_ENTRY(node_tinit) entries; 164 struct node_host *host; 165 char *file; 166 }; 167 168 169 /* optimizer created tables */ 170 struct pf_opt_tbl { 171 char pt_name[PF_TABLE_NAME_SIZE]; 172 int pt_rulecount; 173 int pt_generated; 174 struct node_tinithead pt_nodes; 175 struct pfr_buffer *pt_buf; 176 }; 177 #define PF_OPT_TABLE_PREFIX "__automatic_" 178 179 /* optimizer pf_rule container */ 180 struct pf_opt_rule { 181 struct pf_rule por_rule; 182 struct pf_opt_tbl *por_src_tbl; 183 struct pf_opt_tbl *por_dst_tbl; 184 u_int64_t por_profile_count; 185 TAILQ_ENTRY(pf_opt_rule) por_entry; 186 TAILQ_ENTRY(pf_opt_rule) por_skip_entry[PF_SKIP_COUNT]; 187 }; 188 189 TAILQ_HEAD(pf_opt_queue, pf_opt_rule); 190 191 int pfctl_rules(int, char *, FILE *, int, int, char *, struct pfr_buffer *); 192 int pfctl_optimize_ruleset(struct pfctl *, struct pf_ruleset *); 193 194 int pfctl_add_rule(struct pfctl *, struct pf_rule *, const char *); 195 int pfctl_add_altq(struct pfctl *, struct pf_altq *); 196 int pfctl_add_pool(struct pfctl *, struct pf_pool *, sa_family_t); 197 void pfctl_move_pool(struct pf_pool *, struct pf_pool *); 198 void pfctl_clear_pool(struct pf_pool *); 199 200 int pfctl_set_timeout(struct pfctl *, const char *, int, int); 201 int pfctl_set_optimization(struct pfctl *, const char *); 202 int pfctl_set_limit(struct pfctl *, const char *, unsigned int); 203 int pfctl_set_logif(struct pfctl *, char *); 204 int pfctl_set_hostid(struct pfctl *, u_int32_t); 205 int pfctl_set_debug(struct pfctl *, char *); 206 int pfctl_set_interface_flags(struct pfctl *, char *, int, int); 207 208 int parse_rules(FILE *, struct pfctl *); 209 int parse_flags(char *); 210 int pfctl_load_anchors(int, struct pfctl *, struct pfr_buffer *); 211 212 void print_pool(struct pf_pool *, u_int16_t, u_int16_t, sa_family_t, int); 213 void print_src_node(struct pf_src_node *, int); 214 void print_rule(struct pf_rule *, const char *, int); 215 void print_tabledef(const char *, int, int, struct node_tinithead *); 216 void print_status(struct pf_status *, int); 217 218 int eval_pfaltq(struct pfctl *, struct pf_altq *, struct node_queue_bw *, 219 struct node_queue_opt *); 220 int eval_pfqueue(struct pfctl *, struct pf_altq *, struct node_queue_bw *, 221 struct node_queue_opt *); 222 223 void print_altq(const struct pf_altq *, unsigned, struct node_queue_bw *, 224 struct node_queue_opt *); 225 void print_queue(const struct pf_altq *, unsigned, struct node_queue_bw *, 226 int, struct node_queue_opt *); 227 228 int pfctl_define_table(char *, int, int, const char *, struct pfr_buffer *, 229 u_int32_t); 230 231 void pfctl_clear_fingerprints(int, int); 232 int pfctl_file_fingerprints(int, int, const char *); 233 pf_osfp_t pfctl_get_fingerprint(const char *); 234 int pfctl_load_fingerprints(int, int); 235 char *pfctl_lookup_fingerprint(pf_osfp_t, char *, size_t); 236 void pfctl_show_fingerprints(int); 237 238 239 struct icmptypeent { 240 const char *name; 241 u_int8_t type; 242 }; 243 244 struct icmpcodeent { 245 const char *name; 246 u_int8_t type; 247 u_int8_t code; 248 }; 249 250 const struct icmptypeent *geticmptypebynumber(u_int8_t, u_int8_t); 251 const struct icmptypeent *geticmptypebyname(char *, u_int8_t); 252 const struct icmpcodeent *geticmpcodebynumber(u_int8_t, u_int8_t, u_int8_t); 253 const struct icmpcodeent *geticmpcodebyname(u_long, char *, u_int8_t); 254 255 struct pf_timeout { 256 const char *name; 257 int timeout; 258 }; 259 260 #define PFCTL_FLAG_FILTER 0x02 261 #define PFCTL_FLAG_NAT 0x04 262 #define PFCTL_FLAG_OPTION 0x08 263 #define PFCTL_FLAG_ALTQ 0x10 264 #define PFCTL_FLAG_TABLE 0x20 265 266 extern const struct pf_timeout pf_timeouts[]; 267 268 void set_ipmask(struct node_host *, u_int8_t); 269 int check_netmask(struct node_host *, sa_family_t); 270 int unmask(struct pf_addr *, sa_family_t); 271 void ifa_load(void); 272 struct node_host *ifa_exists(const char *); 273 struct node_host *ifa_lookup(const char *, int); 274 struct node_host *host(const char *); 275 276 int append_addr(struct pfr_buffer *, char *, int); 277 int append_addr_host(struct pfr_buffer *, 278 struct node_host *, int, int); 279 280 #endif /* _PFCTL_PARSER_H_ */ 281
Indexes created Sun Sep 21 15:09:59 GMT 2025