pfctl_parser.h revision 1.1.1.1
1 /* $OpenBSD: pfctl_parser.h,v 1.74 2004/02/10 22:26:56 dhartmei Exp $ */ 2 3 /* 4 * Copyright (c) 2001 Daniel Hartmeier 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * - Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * - Redistributions in binary form must reproduce the above 14 * copyright notice, this list of conditions and the following 15 * disclaimer in the documentation and/or other materials provided 16 * with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 21 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 22 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 24 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 26 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 28 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 * 31 */ 32 33 #ifndef _PFCTL_PARSER_H_ 34 #define _PFCTL_PARSER_H_ 35 36 #define PF_OSFP_FILE "/etc/pf.os" 37 38 #define PF_OPT_DISABLE 0x0001 39 #define PF_OPT_ENABLE 0x0002 40 #define PF_OPT_VERBOSE 0x0004 41 #define PF_OPT_NOACTION 0x0008 42 #define PF_OPT_QUIET 0x0010 43 #define PF_OPT_CLRRULECTRS 0x0020 44 #define PF_OPT_USEDNS 0x0040 45 #define PF_OPT_VERBOSE2 0x0080 46 #define PF_OPT_DUMMYACTION 0x0100 47 #define PF_OPT_DEBUG 0x0200 48 #define PF_OPT_SHOWALL 0x0400 49 50 #define PF_TH_ALL 0xFF 51 52 #define PF_NAT_PROXY_PORT_LOW 50001 53 #define PF_NAT_PROXY_PORT_HIGH 65535 54 55 #define FCNT_NAMES { \ 56 "searches", \ 57 "inserts", \ 58 "removals", \ 59 NULL \ 60 } 61 62 struct pfctl { 63 int dev; 64 int opts; 65 int loadopt; 66 u_int32_t tticket; /* table ticket */ 67 int tdirty; /* kernel dirty */ 68 u_int32_t rule_nr; 69 struct pfioc_pooladdr paddr; 70 struct pfioc_altq *paltq; 71 struct pfioc_queue *pqueue; 72 struct pfr_buffer *trans; 73 const char *anchor; 74 const char *ruleset; 75 }; 76 77 struct node_if { 78 char ifname[IFNAMSIZ]; 79 u_int8_t not; 80 u_int ifa_flags; 81 struct node_if *next; 82 struct node_if *tail; 83 }; 84 85 struct node_host { 86 struct pf_addr_wrap addr; 87 struct pf_addr bcast; 88 struct pf_addr peer; 89 sa_family_t af; 90 u_int8_t not; 91 u_int32_t ifindex; /* link-local IPv6 addrs */ 92 char *ifname; 93 u_int ifa_flags; 94 struct node_host *next; 95 struct node_host *tail; 96 }; 97 /* special flags used by ifa_exists */ 98 #define PF_IFA_FLAG_GROUP 0x10000 99 #define PF_IFA_FLAG_DYNAMIC 0x20000 100 #define PF_IFA_FLAG_CLONABLE 0x40000 101 102 struct node_os { 103 char *os; 104 pf_osfp_t fingerprint; 105 struct node_os *next; 106 struct node_os *tail; 107 }; 108 109 struct node_queue_bw { 110 u_int32_t bw_absolute; 111 u_int16_t bw_percent; 112 }; 113 114 struct node_hfsc_sc { 115 struct node_queue_bw m1; /* slope of 1st segment; bps */ 116 u_int d; /* x-projection of m1; msec */ 117 struct node_queue_bw m2; /* slope of 2nd segment; bps */ 118 u_int8_t used; 119 }; 120 121 struct node_hfsc_opts { 122 struct node_hfsc_sc realtime; 123 struct node_hfsc_sc linkshare; 124 struct node_hfsc_sc upperlimit; 125 int flags; 126 }; 127 128 struct node_queue_opt { 129 int qtype; 130 union { 131 struct cbq_opts cbq_opts; 132 struct priq_opts priq_opts; 133 struct node_hfsc_opts hfsc_opts; 134 } data; 135 }; 136 137 SIMPLEQ_HEAD(node_tinithead, node_tinit); 138 struct node_tinit { /* table initializer */ 139 SIMPLEQ_ENTRY(node_tinit) entries; 140 struct node_host *host; 141 char *file; 142 }; 143 144 struct pfr_buffer; /* forward definition */ 145 146 int pfctl_rules(int, char *, int, char *, char *, struct pfr_buffer *); 147 148 int pfctl_add_rule(struct pfctl *, struct pf_rule *); 149 int pfctl_add_altq(struct pfctl *, struct pf_altq *); 150 int pfctl_add_pool(struct pfctl *, struct pf_pool *, sa_family_t); 151 void pfctl_clear_pool(struct pf_pool *); 152 153 int pfctl_set_timeout(struct pfctl *, const char *, int, int); 154 int pfctl_set_optimization(struct pfctl *, const char *); 155 int pfctl_set_limit(struct pfctl *, const char *, unsigned int); 156 int pfctl_set_logif(struct pfctl *, char *); 157 int pfctl_set_hostid(struct pfctl *, u_int32_t); 158 int pfctl_set_debug(struct pfctl *, char *); 159 160 int parse_rules(FILE *, struct pfctl *); 161 int parse_flags(char *); 162 int pfctl_load_anchors(int, int, struct pfr_buffer *); 163 164 void print_pool(struct pf_pool *, u_int16_t, u_int16_t, sa_family_t, int); 165 void print_src_node(struct pf_src_node *, int); 166 void print_rule(struct pf_rule *, int); 167 void print_tabledef(const char *, int, int, struct node_tinithead *); 168 void print_status(struct pf_status *, int); 169 170 int eval_pfaltq(struct pfctl *, struct pf_altq *, struct node_queue_bw *, 171 struct node_queue_opt *); 172 int eval_pfqueue(struct pfctl *, struct pf_altq *, struct node_queue_bw *, 173 struct node_queue_opt *); 174 175 void print_altq(const struct pf_altq *, unsigned, struct node_queue_bw *, 176 struct node_queue_opt *); 177 void print_queue(const struct pf_altq *, unsigned, struct node_queue_bw *, 178 int, struct node_queue_opt *); 179 180 int pfctl_define_table(char *, int, int, const char *, const char *, 181 struct pfr_buffer *, u_int32_t); 182 183 void pfctl_clear_fingerprints(int, int); 184 int pfctl_file_fingerprints(int, int, const char *); 185 pf_osfp_t pfctl_get_fingerprint(const char *); 186 int pfctl_load_fingerprints(int, int); 187 char *pfctl_lookup_fingerprint(pf_osfp_t, char *, size_t); 188 void pfctl_show_fingerprints(int); 189 190 191 struct icmptypeent { 192 const char *name; 193 u_int8_t type; 194 }; 195 196 struct icmpcodeent { 197 const char *name; 198 u_int8_t type; 199 u_int8_t code; 200 }; 201 202 const struct icmptypeent *geticmptypebynumber(u_int8_t, u_int8_t); 203 const struct icmptypeent *geticmptypebyname(char *, u_int8_t); 204 const struct icmpcodeent *geticmpcodebynumber(u_int8_t, u_int8_t, u_int8_t); 205 const struct icmpcodeent *geticmpcodebyname(u_long, char *, u_int8_t); 206 207 struct pf_timeout { 208 const char *name; 209 int timeout; 210 }; 211 212 #define PFCTL_FLAG_FILTER 0x02 213 #define PFCTL_FLAG_NAT 0x04 214 #define PFCTL_FLAG_OPTION 0x08 215 #define PFCTL_FLAG_ALTQ 0x10 216 #define PFCTL_FLAG_TABLE 0x20 217 218 extern const struct pf_timeout pf_timeouts[]; 219 220 void set_ipmask(struct node_host *, u_int8_t); 221 int check_netmask(struct node_host *, sa_family_t); 222 void ifa_load(void); 223 struct node_host *ifa_exists(const char *, int); 224 struct node_host *ifa_lookup(const char *, int); 225 struct node_host *host(const char *); 226 227 int append_addr(struct pfr_buffer *, char *, int); 228 int append_addr_host(struct pfr_buffer *, 229 struct node_host *, int, int); 230 231 #endif /* _PFCTL_PARSER_H_ */ 232
Indexes created Wed Oct 01 19:09:53 GMT 2025