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errno.d
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io.d
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ip.d
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ipfw.d
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Editing: ipfw.d
/*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2020 Yandex LLC * Copyright (c) 2020 Andrey V. Elsukov <ae@FreeBSD.org> * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. 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 AUTHORS 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 AUTHORS 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. * * $FreeBSD$ */ #pragma D depends_on provider ipfw /* ipfw_chk() return values */ #pragma D binding "1.0" IP_FW_PASS inline int IP_FW_PASS = 0; #pragma D binding "1.0" IP_FW_DENY inline int IP_FW_DENY = 1; #pragma D binding "1.0" IP_FW_DIVERT inline int IP_FW_DIVERT = 2; #pragma D binding "1.0" IP_FW_TEE inline int IP_FW_TEE = 3; #pragma D binding "1.0" IP_FW_DUMMYNET inline int IP_FW_DUMMYNET = 4; #pragma D binding "1.0" IP_FW_NETGRAPH inline int IP_FW_NETGRAPH = 5; #pragma D binding "1.0" IP_FW_NGTEE inline int IP_FW_NGTEE = 6; #pragma D binding "1.0" IP_FW_NAT inline int IP_FW_NAT = 7; #pragma D binding "1.0" IP_FW_REASS inline int IP_FW_REASS = 8; #pragma D binding "1.0" IP_FW_NAT64 inline int IP_FW_NAT64 = 9; #pragma D binding "1.0" ipfw_retcodes inline string ipfw_retcodes[int ret] = ret == IP_FW_PASS ? "PASS" : ret == IP_FW_DENY ? "DENY" : ret == IP_FW_DIVERT ? "DIVERT" : ret == IP_FW_TEE ? "TEE" : ret == IP_FW_DUMMYNET ? "DUMMYNET" : ret == IP_FW_NETGRAPH ? "NETGRAPH" : ret == IP_FW_NGTEE ? "NGTEE" : ret == IP_FW_NAT ? "NAT" : ret == IP_FW_REASS ? "REASS" : ret == IP_FW_NAT64 ? "NAT64" : "<unknown>"; /* ip_fw_args flags */ #pragma D binding "1.0" IPFW_ARGS_ETHER inline int IPFW_ARGS_ETHER = 0x00010000; /* valid ethernet header */ #pragma D binding "1.0" IPFW_ARGS_NH4 inline int IPFW_ARGS_NH4 = 0x00020000; /* IPv4 next hop in hopstore */ #pragma D binding "1.0" IPFW_ARGS_NH6 inline int IPFW_ARGS_NH6 = 0x00040000; /* IPv6 next hop in hopstore */ #pragma D binding "1.0" IPFW_ARGS_NH4PTR inline int IPFW_ARGS_NH4PTR = 0x00080000; /* IPv4 next hop in next_hop */ #pragma D binding "1.0" IPFW_ARGS_NH6PTR inline int IPFW_ARGS_NH6PTR = 0x00100000; /* IPv6 next hop in next_hop6 */ #pragma D binding "1.0" IPFW_ARGS_REF inline int IPFW_ARGS_REF = 0x00200000; /* valid ipfw_rule_ref */ #pragma D binding "1.0" IPFW_ARGS_IN inline int IPFW_ARGS_IN = 0x00400000; /* called on input */ #pragma D binding "1.0" IPFW_ARGS_OUT inline int IPFW_ARGS_OUT = 0x00800000; /* called on output */ #pragma D binding "1.0" IPFW_ARGS_IP4 inline int IPFW_ARGS_IP4 = 0x01000000; /* belongs to v4 ISR */ #pragma D binding "1.0" IPFW_ARGS_IP6 inline int IPFW_ARGS_IP6 = 0x02000000; /* belongs to v6 ISR */ #pragma D binding "1.0" IPFW_ARGS_DROP inline int IPFW_ARGS_DROP = 0x04000000; /* drop it (dummynet) */ #pragma D binding "1.0" IPFW_ARGS_LENMASK inline int IPFW_ARGS_LENMASK = 0x0000ffff; /* length of data in *mem */ /* ipfw_rule_ref.info */ #pragma D binding "1.0" IPFW_INFO_MASK inline int IPFW_INFO_MASK = 0x0000ffff; #pragma D binding "1.0" IPFW_INFO_OUT inline int IPFW_INFO_OUT = 0x00000000; #pragma D binding "1.0" IPFW_INFO_IN inline int IPFW_INFO_IN = 0x80000000; #pragma D binding "1.0" IPFW_ONEPASS inline int IPFW_ONEPASS = 0x40000000; #pragma D binding "1.0" IPFW_IS_MASK inline int IPFW_IS_MASK = 0x30000000; #pragma D binding "1.0" IPFW_IS_DIVERT inline int IPFW_IS_DIVERT = 0x20000000; #pragma D binding "1.0" IPFW_IS_DUMMYNET inline int IPFW_IS_DUMMYNET = 0x10000000; #pragma D binding "1.0" IPFW_IS_PIPE inline int IPFW_IS_PIPE = 0x08000000; typedef struct ipfw_match_info { uint32_t flags; struct mbuf *m; void *mem; struct inpcb *inp; struct ifnet *ifp; struct ip *ipp; struct ip6_hdr *ip6p; /* flow id */ uint8_t addr_type; uint8_t proto; uint8_t proto_flags; uint16_t fib; /* XXX */ in_addr_t dst_ip; /* in network byte order */ in_addr_t src_ip; /* in network byte order */ struct in6_addr dst_ip6; struct in6_addr src_ip6; uint16_t dst_port; /* in host byte order */ uint16_t src_port; /* in host byte order */ uint32_t flowid; /* IPv6 flowid */ uint32_t extra; /* ipfw_rule_ref */ uint32_t slot; uint32_t rulenum; uint32_t rule_id; uint32_t chain_id; uint32_t match_info; } ipfw_match_info_t; #pragma D binding "1.0" translator translator ipfw_match_info_t < struct ip_fw_args *p > { flags = p->flags; m = (p->flags & IPFW_ARGS_LENMASK) ? NULL : p->m; mem = (p->flags & IPFW_ARGS_LENMASK) ? p->mem : NULL; inp = p->inp; ifp = p->ifp; /* Initialize IP pointer corresponding to addr_type */ ipp = (p->flags & IPFW_ARGS_IP4) ? (p->flags & IPFW_ARGS_LENMASK) ? (struct ip *)p->mem : (p->m != NULL) ? (struct ip *)p->m->m_data : NULL : NULL; ip6p = (p->flags & IPFW_ARGS_IP6) ? (p->flags & IPFW_ARGS_LENMASK) ? (struct ip6_hdr *)p->mem : (p->m != NULL) ? (struct ip6_hdr *)p->m->m_data : NULL : NULL; /* fill f_id fields */ addr_type = p->f_id.addr_type; proto = p->f_id.proto; proto_flags = p->f_id._flags; /* f_id.fib keeps truncated fibnum, use mbuf's fibnum if possible */ fib = p->m != NULL ? p->m->m_pkthdr.fibnum : p->f_id.fib; /* * ipfw_chk() keeps IPv4 addresses in host byte order. But for * dtrace script it is useful to have them in network byte order, * because inet_ntoa() uses address in network byte order. */ dst_ip = htonl(p->f_id.dst_ip); src_ip = htonl(p->f_id.src_ip); dst_ip6 = p->f_id.dst_ip6; src_ip6 = p->f_id.src_ip6; dst_port = p->f_id.dst_port; src_port = p->f_id.src_port; flowid = p->f_id.flow_id6; extra = p->f_id.extra; /* ipfw_rule_ref */ slot = (p->flags & IPFW_ARGS_REF) ? p->rule.slot : 0; rulenum = (p->flags & IPFW_ARGS_REF) ? p->rule.rulenum : 0; rule_id = (p->flags & IPFW_ARGS_REF) ? p->rule.rule_id : 0; chain_id = (p->flags & IPFW_ARGS_REF) ? p->rule.chain_id : 0; match_info = (p->flags & IPFW_ARGS_REF) ? p->rule.info : 0; }; typedef struct ipfw_rule_info { uint16_t act_ofs; uint16_t cmd_len; uint32_t rulenum; uint8_t flags; uint8_t set; uint32_t rule_id; uint32_t cached_id; uint32_t cached_pos; uint32_t refcnt; } ipfw_rule_info_t; #pragma D binding "1.0" translator translator ipfw_rule_info_t < struct ip_fw *r > { act_ofs = r->act_ofs; cmd_len = r->cmd_len; rulenum = r->rulenum; flags = r->flags; set = r->set; rule_id = r->id; cached_id = r->cached_id; cached_pos = r->cached_pos; refcnt = r->refcnt; };
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