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Diffstat (limited to 'contrib/pf/pfctl/pfctl_parser.h')
| -rw-r--r-- | contrib/pf/pfctl/pfctl_parser.h | 228 |
1 files changed, 228 insertions, 0 deletions
diff --git a/contrib/pf/pfctl/pfctl_parser.h b/contrib/pf/pfctl/pfctl_parser.h new file mode 100644 index 0000000..88047e5 --- /dev/null +++ b/contrib/pf/pfctl/pfctl_parser.h @@ -0,0 +1,228 @@ +/* $OpenBSD: pfctl_parser.h,v 1.67 2003/08/21 19:12:09 frantzen Exp $ */ + +/* + * Copyright (c) 2001 Daniel Hartmeier + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + */ + +#ifndef _PFCTL_PARSER_H_ +#define _PFCTL_PARSER_H_ + +#define PF_OSFP_FILE "/etc/pf.os" + +#define PF_OPT_DISABLE 0x0001 +#define PF_OPT_ENABLE 0x0002 +#define PF_OPT_VERBOSE 0x0004 +#define PF_OPT_NOACTION 0x0008 +#define PF_OPT_QUIET 0x0010 +#define PF_OPT_CLRRULECTRS 0x0020 +#define PF_OPT_USEDNS 0x0040 +#define PF_OPT_VERBOSE2 0x0080 +#define PF_OPT_DUMMYACTION 0x0100 +#define PF_OPT_DEBUG 0x0200 + +#define PF_TH_ALL 0xFF + +#define PF_NAT_PROXY_PORT_LOW 50001 +#define PF_NAT_PROXY_PORT_HIGH 65535 + +#define FCNT_NAMES { \ + "searches", \ + "inserts", \ + "removals", \ + NULL \ +} + +struct pfctl { + int dev; + int opts; + int loadopt; + u_int32_t tticket; /* table ticket */ + int tdirty; /* kernel dirty */ + u_int32_t rule_nr; + struct pfioc_pooladdr paddr; + struct pfioc_rule *prule[PF_RULESET_MAX]; + struct pfioc_altq *paltq; + struct pfioc_queue *pqueue; + const char *anchor; + const char *ruleset; +}; + +enum pfctl_iflookup_mode { + PFCTL_IFLOOKUP_HOST, + PFCTL_IFLOOKUP_NET, + PFCTL_IFLOOKUP_BCAST +}; + +struct node_if { + char ifname[IFNAMSIZ]; + u_int8_t not; + u_int ifa_flags; + struct node_if *next; + struct node_if *tail; +}; + +struct node_host { + struct pf_addr_wrap addr; + struct pf_addr bcast; + sa_family_t af; + u_int8_t not; + u_int32_t ifindex; /* link-local IPv6 addrs */ + char *ifname; + u_int ifa_flags; + struct node_host *next; + struct node_host *tail; +}; + +struct node_os { + char *os; + pf_osfp_t fingerprint; + struct node_os *next; + struct node_os *tail; +}; + +struct node_queue_bw { + u_int32_t bw_absolute; + u_int16_t bw_percent; +}; + +struct node_hfsc_sc { + struct node_queue_bw m1; /* slope of 1st segment; bps */ + u_int d; /* x-projection of m1; msec */ + struct node_queue_bw m2; /* slope of 2nd segment; bps */ + u_int8_t used; +}; + +struct node_hfsc_opts { + struct node_hfsc_sc realtime; + struct node_hfsc_sc linkshare; + struct node_hfsc_sc upperlimit; + int flags; +}; + +struct node_queue_opt { + int qtype; + union { + struct cbq_opts cbq_opts; + struct priq_opts priq_opts; + struct node_hfsc_opts hfsc_opts; + } data; +}; + +SIMPLEQ_HEAD(node_tinithead, node_tinit); +struct node_tinit { /* table initializer */ + SIMPLEQ_ENTRY(node_tinit) entries; + struct node_host *host; + char *file; +}; + +struct pfr_buffer; /* forward definition */ + +int pfctl_rules(int, char *, int, char *, char *); + +int pfctl_add_rule(struct pfctl *, struct pf_rule *); +int pfctl_add_altq(struct pfctl *, struct pf_altq *); +int pfctl_add_pool(struct pfctl *, struct pf_pool *, sa_family_t); +void pfctl_clear_pool(struct pf_pool *); + +int pfctl_set_timeout(struct pfctl *, const char *, int, int); +int pfctl_set_optimization(struct pfctl *, const char *); +int pfctl_set_limit(struct pfctl *, const char *, unsigned int); +int pfctl_set_logif(struct pfctl *, char *); + +int parse_rules(FILE *, struct pfctl *); +int parse_flags(char *); +int pfctl_load_anchors(int, int); + +void print_pool(struct pf_pool *, u_int16_t, u_int16_t, sa_family_t, int); +void print_rule(struct pf_rule *, int); +void print_tabledef(const char *, int, int, struct node_tinithead *); +void print_status(struct pf_status *); + +int eval_pfaltq(struct pfctl *, struct pf_altq *, struct node_queue_bw *, + struct node_queue_opt *); +int eval_pfqueue(struct pfctl *, struct pf_altq *, struct node_queue_bw *, + struct node_queue_opt *); + +void print_altq(const struct pf_altq *, unsigned, struct node_queue_bw *, + struct node_queue_opt *); +void print_queue(const struct pf_altq *, unsigned, struct node_queue_bw *, + int, struct node_queue_opt *); + +int pfctl_define_table(char *, int, int, const char *, const char *, + struct pfr_buffer *, u_int32_t); + +void pfctl_clear_fingerprints(int, int); +int pfctl_file_fingerprints(int, int, const char *); +pf_osfp_t pfctl_get_fingerprint(const char *); +int pfctl_load_fingerprints(int, int); +char *pfctl_lookup_fingerprint(pf_osfp_t, char *, size_t); +void pfctl_show_fingerprints(int); + + +struct icmptypeent { + const char *name; + u_int8_t type; +}; + +struct icmpcodeent { + const char *name; + u_int8_t type; + u_int8_t code; +}; + +const struct icmptypeent *geticmptypebynumber(u_int8_t, u_int8_t); +const struct icmptypeent *geticmptypebyname(char *, u_int8_t); +const struct icmpcodeent *geticmpcodebynumber(u_int8_t, u_int8_t, u_int8_t); +const struct icmpcodeent *geticmpcodebyname(u_long, char *, u_int8_t); + +struct pf_timeout { + const char *name; + int timeout; +}; + +#define PFCTL_FLAG_FILTER 0x02 +#define PFCTL_FLAG_NAT 0x04 +#define PFCTL_FLAG_OPTION 0x08 +#define PFCTL_FLAG_ALTQ 0x10 +#define PFCTL_FLAG_TABLE 0x20 + +extern const struct pf_timeout pf_timeouts[]; + +void set_ipmask(struct node_host *, u_int8_t); +int check_netmask(struct node_host *, sa_family_t); +void ifa_load(void); +struct node_host *ifa_exists(const char *); +struct node_host *ifa_lookup(const char *, enum pfctl_iflookup_mode); +struct node_host *host(const char *); + +int append_addr(struct pfr_buffer *, char *, int); +int append_addr_host(struct pfr_buffer *, + struct node_host *, int, int); + +#endif /* _PFCTL_PARSER_H_ */ |
