Date: Tue, 10 Jun 2014 14:34:22 GMT From: dpl@FreeBSD.org To: svn-soc-all@FreeBSD.org Subject: socsvn commit: r269358 - soc2014/dpl/netmap-ipfw/sys/netpfil/ipfw Message-ID: <201406101434.s5AEYMRb017833@socsvn.freebsd.org>
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Author: dpl Date: Tue Jun 10 14:34:22 2014 New Revision: 269358 URL: http://svnweb.FreeBSD.org/socsvn/?view=rev&rev=269358 Log: Changed the file type to have everything in the same compilation unit. Also, isolated some extra rules. Modified: soc2014/dpl/netmap-ipfw/sys/netpfil/ipfw/ip_fw2.c soc2014/dpl/netmap-ipfw/sys/netpfil/ipfw/ip_rules.h Modified: soc2014/dpl/netmap-ipfw/sys/netpfil/ipfw/ip_fw2.c ============================================================================== --- soc2014/dpl/netmap-ipfw/sys/netpfil/ipfw/ip_fw2.c Tue Jun 10 13:57:15 2014 (r269357) +++ soc2014/dpl/netmap-ipfw/sys/netpfil/ipfw/ip_fw2.c Tue Jun 10 14:34:22 2014 (r269358) @@ -1570,45 +1570,16 @@ rule_estab(&match, proto, offset, ulp); break; - case O_ALTQ: { - struct pf_mtag *at; - struct m_tag *mtag; - ipfw_insn_altq *altq = (ipfw_insn_altq *)cmd; - - /* - * ALTQ uses mbuf tags from another - * packet filtering system - pf(4). - * We allocate a tag in its format - * and fill it in, pretending to be pf(4). - */ - match = 1; - at = pf_find_mtag(m); - if (at != NULL && at->qid != 0) - break; - mtag = m_tag_get(PACKET_TAG_PF, - sizeof(struct pf_mtag), M_NOWAIT | M_ZERO); - if (mtag == NULL) { - /* - * Let the packet fall back to the - * default ALTQ. - */ - break; - } - m_tag_prepend(m, mtag); - at = (struct pf_mtag *)(mtag + 1); - at->qid = altq->qid; - at->hdr = ip; + case O_ALTQ: + rule_altq(&match, cmd, m); break; - } case O_LOG: - ipfw_log(f, hlen, args, m, - oif, offset | ip6f_mf, tablearg, ip); - match = 1; + rule_log(&match, f, hlen, args, m, oif, offset, ip6f_mf, tablearg, ip) break; case O_PROB: - match = (random()<((ipfw_insn_u32 *)cmd)->d[0]); + rule_prob(&match, cmd); break; case O_VERREVPATH: Modified: soc2014/dpl/netmap-ipfw/sys/netpfil/ipfw/ip_rules.h ============================================================================== --- soc2014/dpl/netmap-ipfw/sys/netpfil/ipfw/ip_rules.h Tue Jun 10 13:57:15 2014 (r269357) +++ soc2014/dpl/netmap-ipfw/sys/netpfil/ipfw/ip_rules.h Tue Jun 10 14:34:22 2014 (r269358) @@ -1,96 +1,736 @@ /* - * The header containing the functions corresponding to each rule. - * XXX - Still have to add the type to the args. + * Actions executed per-rule. + * We'll have to include some of the included files at ip_fw2.c */ -inline void rule_nop(int *match); -inline void rule_forward_mac(int opcode); -inline void rule_jail(u_short offset, uint8_t proto, ipfw_insn ipfw_insn *cmd, - struct ip_fw_args *args, int ucred_lookup, void *ucred_cache) +inline void +rule_nop(int *match) +{ + *match = 1; +} + +inline void +rule_forward_mac(int opcode) +{ + printf("ipfw: opcode %d unimplemented\n", + opcode); + +} + +inline void +rule_jail(u_short offset, uint8_t proto, ipfw_insn ipfw_insn_u32 *cmd, struct ip_fw_args *args, int ucred_lookup, void *ucred_cache) +{ + /* + * We only check offset == 0 && proto != 0, + * as this ensures that we have a + * packet with the ports info. + */ + if (offset != 0) + break; + if (proto == IPPROTO_TCP || + proto == IPPROTO_UDP) + *match = check_uidgid( + (ipfw_insn_u32 *)cmd, + args, &ucred_lookup, +#ifdef __FreeBSD__ + &(struct bsd_ucred *)ucred_cache); +#else + (void *)&(struct ucred *)ucred_cache); +#endif +} + +inline void +rule_recv(int *match, ipfw_insn *cmd, struct mbuf *m, struct ip_fw_chain *chain, uint32_t *tablearg) +{ + //XXX What about embedding this function into code? + *match = iface_match(m->m_pkthdr.rcvif, (ipfw_insn_if *)cmd, chain, tablearg); +} + +inline void +rule_xmit(int *match, struct ifnet *oif, ipfw_insn *cmd, struct ip_fw_chain *chain, uint32_t *tablearg) +{ + *match = iface_match(oif, (ipfw_insn_if *)cmd, chain, tablearg); +} + +inline void +rule_via(int *match, struct ifnet *oif, struct mbuf *m, ipfw_insn *cmd, struct ip_fw_chain *chain, uint32_t *tablearg) +{ + *match = iface_match(oif ? oif : m->m_pkthdr.rcvif, (ipfw_insn_if *)cmd, chain, tablearg); +} + +inline void +rule_macaddr(int *match, struct ip_fw_args *args, ipfw_insn *cmd) +{ + if (args->eh != NULL) { /* have MAC header */ + u_int32_t *want = (u_int32_t *) + ((ipfw_insn_mac *)cmd)->addr; + u_int32_t *mask = (u_int32_t *) + ((ipfw_insn_mac *)cmd)->mask; + u_int32_t *hdr = (u_int32_t *)args->eh; + + *match = + ( want[0] == (hdr[0] & mask[0]) && + want[1] == (hdr[1] & mask[1]) && + want[2] == (hdr[2] & mask[2]) ); + } + +} + +inline void +rule_mac_type(int *match, struct ip_fw_args *args, ipfw_insn *cmd, int cmdlen, uint16_t etype); +{ + if (args->eh != NULL) { + u_int16_t *p = + ((ipfw_insn_u16 *)cmd)->ports; + int i; + + for (i = cmdlen - 1; !match && i>0; + i--, p += 2) + *match = (etype >= p[0] && + etype <= p[1]); + } + +} + +inline void +rule_frag(int *match, u_short offset) +{ + *match = (offset != 0); +} + +inline void +rule_in(int *match, struct ifnet *oif) +{ + /* "out" is "not in" */ + *match = (oif == NULL); +} + +inline void +rule_layertwo(int *match, struct ip_fw_args * args) +{ + *match = (args->eh != NULL); +} + +inline void +rule_diverted(int *match, struct ip_fw_args * args) +{ + /* For diverted packets, args->rule.info + * contains the divert port (in host format) + * reason and direction. + */ + uint32_t i = args->rule.info; + *match = (i&IPFW_IS_MASK) == IPFW_IS_DIVERT && + cmd->arg1 & ((i & IPFW_INFO_IN) ? 1 : 2); +} + +inline void +rule_proto(int *match, uint8_t proto, ipfs_insn *cmd) +{ + /* + * We do not allow an arg of 0 so the + * check of "proto" only suffices. + */ + *match = (proto == cmd->arg1); +} + +inline void +rule_ip_src(int *match, int is_ipv4, ipfs_insn *cmd, struct in_addr *src_ip) +{ + *match = is_ipv4 && + (((ipfw_insn_ip *)cmd)->addr.s_addr == + src_ip->s_addr); +} + + +// XXX Finish this function. +inline void +rule_ip_2_lookup(int *match, ipfw_insn *cmd, int cmdlen, int is_ipv4, int is_ipv6, struct ip *ip, struct in_addr *dst_ip, struct in_addr *src_ip, uint16_t dst_port, uint16_t src_port, u_short offset, uint8_t proto, int ucred_lookup, ucred_cache, struct ip_fw_chain *chain) +{ + if (is_ipv4) { + uint32_t key = + (cmd->opcode == O_IP_DST_LOOKUP) ? + dst_ip.s_addr : src_ip.s_addr; + uint32_t v = 0; + + if (cmdlen > F_INSN_SIZE(ipfw_insn_u32)) { + /* generic lookup. The key must be + * in 32bit big-endian format. + */ + v = ((ipfw_insn_u32 *)cmd)->d[1]; + if (v == 0) + key = dst_ip.s_addr; + else if (v == 1) + key = src_ip.s_addr; + else if (v == 6) /* dscp */ + key = (ip->ip_tos >> 2) & 0x3f; + else if (offset != 0) + break; + else if (proto != IPPROTO_TCP && + proto != IPPROTO_UDP) + break; + else if (v == 2) + key = htonl(dst_port); + else if (v == 3) + key = htonl(src_port); +#ifndef USERSPACE + else if (v == 4 || v == 5) { + check_uidgid( + (ipfw_insn_u32 *)cmd, + args, &ucred_lookup, +#ifdef __FreeBSD__ + &ucred_cache); + if (v == 4 /* O_UID */) + key = ucred_cache->cr_uid; + else if (v == 5 /* O_JAIL */) + key = ucred_cache->cr_prison->pr_id; +#else /* !__FreeBSD__ */ + (void *)&ucred_cache); + if (v ==4 /* O_UID */) + key = ucred_cache.uid; + else if (v == 5 /* O_JAIL */) + key = ucred_cache.xid; +#endif /* !__FreeBSD__ */ + key = htonl(key); + } else +#endif /* !USERSPACE */ + break; + } + *match = ipfw_lookup_table(chain, + cmd->arg1, key, &v); + if (!(*match)) + break; + if (cmdlen == F_INSN_SIZE(ipfw_insn_u32)) + *match = + ((ipfw_insn_u32 *)cmd)->d[0] == v; + else + tablearg = v; + } else if (is_ipv6) { + uint32_t v = 0; + void *pkey = (cmd->opcode == O_IP_DST_LOOKUP) ? + &args->f_id.dst_ip6: &args->f_id.src_ip6; + *match = ipfw_lookup_table_extended(chain, + cmd->arg1, pkey, &v, + IPFW_TABLE_CIDR); + if (cmdlen == F_INSN_SIZE(ipfw_insn_u32)) + *match = ((ipfw_insn_u32 *)cmd)->d[0] == v; + if (*match) + tablearg = v; + } +} + + +//XXX Speak with mentor about passing both dst_ip and src_ip. +inline void +rule_ip_dst_mask(int *match, int is_ipv4, ipfw_insn *cmd, int cmdlen, struct in_addr *dst_ip, struct in_addr *src_ip) +{ + if (is_ipv4) { + uint32_t a = + (cmd->opcode == O_IP_DST_MASK) ? + dst_ip.s_addr : src_ip.s_addr; + uint32_t *p = ((ipfw_insn_u32 *)cmd)->d; + int i = cmdlen-1; + + for (; !match && i>0; i-= 2, p+= 2) + *match = (p[0] == (a & p[1])); + } +} + +inline void +rule_ip_src_me(int *match, struct in_addr *src_ip, struct ip_fw_args *args) +{ + if (is_ipv4) { + struct ifnet *tif; + + INADDR_TO_IFP(src_ip, tif); + *match = (tif != NULL); + return; + } + /* The next behavior has been also added to the next action */ + *match= is_ipv6 && search_ip6_addr_net(&args->f_id.src_ip6); +} + +inline void +rule_ip6_src_me(int *match, int is_ipv6, struct ip_fw_args *args) +{ + *match= is_ipv6 && search_ip6_addr_net(&args->f_id.src_ip6); +} + +inline void +rule_ip_src_set(int *match, int is_ipv4, ipfw_insn *cmd, struct ip_fw_args *args) +{ + if (is_ipv4) { + u_int32_t *d = (u_int32_t *)(cmd+1); + u_int32_t addr = + cmd->opcode == O_IP_DST_SET ? + args->f_id.dst_ip : + args->f_id.src_ip; + + if (addr < d[0]) + break; + addr -= d[0]; /* subtract base */ + *match = (addr < cmd->arg1) && + ( d[ 1 + (addr>>5)] & + (1<<(addr & 0x1f)) ); + } +} + +inline void +rule_ip_dst(int *match, is_ipv4, ipfw_insn *cmd, struct in_addr *dst_ip) +{ + *match = is_ipv4 && + (((ipfw_insn_ip *)cmd)->addr.s_addr == + dst_ip->s_addr); +} + +inline void +rule_ip_dst_me(int *match, is_ipv4, is_ipv6, struct in_addr *dst_ip, dst_ip6) +{ + if (is_ipv4) { + struct ifnet *tif; + + INADDR_TO_IFP(dst_ip, tif); + *match = (tif != NULL); + return; + } + *match= is_ipv6 && search_ip6_addr_net(&args->f_id.dst_ip6); +} + +inline void +rule_ip6_dst_me(int *match, struct ip_fw_args *args) +{ + *match= is_ipv6 && search_ip6_addr_net(&args->f_id.dst_ip6); +} + +inline void +rule_ip_dstport(int *match, uint8_t proto, u_short offset, ipfw_insn *cmd, int cmdlen) +{ + /* + * offset == 0 && proto != 0 is enough + * to guarantee that we have a + * packet with port info. + */ + if ((proto==IPPROTO_UDP || proto==IPPROTO_TCP) + && offset == 0) { + u_int16_t x = + (cmd->opcode == O_IP_SRCPORT) ? + src_port : dst_port ; + u_int16_t *p = + ((ipfw_insn_u16 *)cmd)->ports; + int i; + + for (i = cmdlen - 1; !match && i>0; + i--, p += 2) + *match = (x>=p[0] && x<=p[1]); + } +} + +inline void +rule_icmptype(int *match, u_short offset, uint8_t proto, void *ulp, ipfw_insn *cmd ) +{ + *match = (offset == 0 && proto==IPPROTO_ICMP && + icmptype_match(ICMP(ulp), (ipfw_insn_u32 *)cmd) ); +} + +inline void +rule_ipopt(int *match, int is_ipv4, struct ip *ip, ipfw_insn *cmd) +{ + *match = (is_ipv4 && + ipopts_match(ip, cmd) ); + +} + +inline void +rule_ipver(int *match, int is_ipv4, ipfw_insn *cmd, struct ip *ip) +{ + match = (is_ipv4 && + cmd->arg1 == ip->ip_v); +} + +inline void +rule_ipttl(int *match, int is_ipv4 ipfw_insn *cmd, int cmdlen, struct ip *ip, uint16_t iplen) +{ + if (is_ipv4) { /* only for IP packets */ + uint16_t x; + uint16_t *p; + int i; + + if (cmd->opcode == O_IPLEN) + x = iplen; + else if (cmd->opcode == O_IPTTL) + x = ip->ip_ttl; + else /* must be IPID */ + x = ntohs(ip->ip_id); + if (cmdlen == 1) { + *match = (cmd->arg1 == x); + return; + } + /* otherwise we have ranges */ + p = ((ipfw_insn_u16 *)cmd)->ports; + i = cmdlen - 1; + for (; !match && i>0; i--, p += 2) + *match = (x >= p[0] && x <= p[1]); + } +} + +inline void +rule_ipprecedence(int *match, int is_ipv4, ipfw_insn *cmd, struct ip *ip) +{ + *match = (is_ipv4 && + (cmd->arg1 == (ip->ip_tos & 0xe0)) ); +} + +inline void +rule_iptos(int *match, int is_ipv4 ipfw_insn *cmd, struct ip *ip) +{ + *match = (is_ipv4 && + flags_match(cmd, ip->ip_tos)); +} + +inline void +rule_dscp(int *match, int is_ipv4, int is_ipv6, ipfw_insn *cmd, struct ip *ip) +{ + uint32_t *p; + uint16_t x; + + p = ((ipfw_insn_u32 *)cmd)->d; + + if (is_ipv4) + x = ip->ip_tos >> 2; + else if (is_ipv6) { + uint8_t *v; + v = &((struct ip6_hdr *)ip)->ip6_vfc; + x = (*v & 0x0F) << 2; + v++; + x |= *v >> 6; + } else + break; + + /* DSCP bitmask is stored as low_u32 high_u32 */ + if (x > 32) + *match = *(p + 1) & (1 << (x - 32)); + else + *match = *p & (1 << x); +} + +inline void +rule_tcpdatalen(int *match, uint8_t proto, u_short offset, void *ulp, uint16_t iplen int *cmdlen, ipfw_insn *cmd) +{ + if (proto == IPPROTO_TCP && offset == 0) { + struct tcphdr *tcp; + uint16_t x; + uint16_t *p; + int i; + + tcp = TCP(ulp); + x = iplen - + ((ip->ip_hl + tcp->th_off) << 2); + if (cmdlen == 1) { + match = (cmd->arg1 == x); + return; + } + /* otherwise we have ranges */ + p = ((ipfw_insn_u16 *)cmd)->ports; + i = cmdlen - 1; + for (; !match && i>0; i--, p += 2) + *match = (x >= p[0] && x <= p[1]); + } +} + +inline void +rule_tcpflags(int *match, uint8_t proto, u_short offset, ipfw_insn *cmd, void *ulp) +{ + *match = (proto == IPPROTO_TCP && offset == 0 && + flags_match(cmd, TCP(ulp)->th_flags)); +} + +inline void +rule_tcpopts(int *match, hlen, void *ulp, uint8_t proto, u_short offset, ipfw_insn *cmd); +{ + PULLUP_LEN(hlen, ulp, (TCP(ulp)->th_off << 2)); + *match = (proto == IPPROTO_TCP && offset == 0 && + tcpopts_match(TCP(ulp), cmd)); +} + +inline void +rule_tcpseq(int *match, uint8_t proto, u_short offset, ipfw_insn *cmd, void *ulp) +{ + match = (proto == IPPROTO_TCP && offset == 0 && + ((ipfw_insn_u32 *)cmd)->d[0] == + TCP(ulp)->th_seq); +} + +inline void +rule_tcpack(int *match, uint8_t proto, u_short offset, ipfw_insn *cmd, void *ulp) +{ + *match = (proto == IPPROTO_TCP && offset == 0 && + ((ipfw_insn_u32 *)cmd)->d[0] == + TCP(void *ulp)->th_ack); +} + +inline void +rule_tcpwin(int *match, uint8_t proto, u_short offset, ipfw_insn *cmd, void *ulp) +{ + if (proto == IPPROTO_TCP && offset == 0) { + uint16_t x; + uint16_t *p; + int i; + + x = ntohs(TCP(ulp)->th_win); + if (cmdlen == 1) { + *match = (cmd->arg1 == x); + return; + } + /* Otherwise we have ranges. */ + p = ((ipfw_insn_u16 *)cmd)->ports; + i = cmdlen - 1; + for (; !(*match) && i > 0; i--, p += 2) + *match = (x >= p[0] && x <= p[1]); + } +} + +inline void +rule_estab(int *match, uint8_t proto, u_short offset, void *ulp) +{ + /* reject packets which have SYN only */ + /* XXX should i also check for TH_ACK ? */ + *match = (proto == IPPROTO_TCP && offset == 0 && + (TCP(ulp)->th_flags & + (TH_RST | TH_ACK | TH_SYN)) != TH_SYN); +} + +inline void +rule_altq(int *match, ipfw_insn *cmd, struct mbuf *m) +{ + struct pf_mtag *at; + struct m_tag *mtag; + ipfw_insn_altq *altq = (ipfw_insn_altq *)cmd; + + /* + * ALTQ uses mbuf tags from another + * packet filtering system - pf(4). + * We allocate a tag in its format + * and fill it in, pretending to be pf(4). + */ + *match = 1; + at = pf_find_mtag(m); + if (at != NULL && at->qid != 0) + break; + mtag = m_tag_get(PACKET_TAG_PF, + sizeof(struct pf_mtag), M_NOWAIT | M_ZERO); + if (mtag == NULL) { + /* + * Let the packet fall back to the + * default ALTQ. + */ + return; + } + m_tag_prepend(m, mtag); + at = (struct pf_mtag *)(mtag + 1); + at->qid = altq->qid; + at->hdr = ip; +} + +inline void +rule_log(int *match, struct ip_fw *f, hlen, struct ip_fw_args *args, struct mbuf *m, struct ifnet *oif, u_short offset, u_short ip6f_mf, uint32_t tablearg, struct ip *ip) +{ + ipfw_log(f, hlen, args, m, + oif, offset | ip6f_mf, tablearg, ip); + *match = 1; +} + +inline void +rule_prob(int *match, ipfw_insn *cmd) +{ + *match = (random()<((ipfw_insn_u32 *)cmd)->d[0]); + return; +} + +inline void +rule_verrevpath(int *match, struct ifnet *oif, struct mbuf *m, int is_ipv6 struct ip_fw_args *args, struct in_addr *src_ip) +{ +} + +inline void +rule_versrcreach(int *match, int is_ipv6 struct ip_fw_args *args, struct in_addr *src_ip) +{ +} + +inline void +rule_antispoof(int *match, struct ifnet *oif, hlen, int is_ipv4 struct in_addr *src_ip, int is_ipv6 struct ip_fw_args *args, m) +{ +} + +inline void +rule_ip4(int *match, is_ipv4) +{ +} + +inline void +rule_tag(int *match, ipfw_insn *cmd, struct mbuf *m, tag, ) +{ +} + +inline void +rule_fib(int *match, struct ip_fw_args *args, ipfw_insn *cmd) +{ +} + +inline void +rule_tagged(int *match, ipfw_insn *cmd, int *cmdlen, struct mbuf *m, ipfw, tag) +{ +} -inline void rule_recv(int *match, struct mbuf *m, ipfw_insn *cmd, struct ip_fw_chain *chain, uint32_t *tablearg); -inline void rule_xmit(int *match, struct ifnet *oif, ipfw_insn *cmd, struct ip_fw_chain *chain, uint32_t *tablearg); -inline void rule_via(int *match, struct ifnet *oif, rcvif, ipfw_insn *cmd, struct ip_fw_chain *chain, uint32_t *tablearg); -inline void rule_macaddr(int *match, struct ip_fw_args *args, ipfw_insn *cmd); -inline void rule_mac_type(int *match, eh, ports, int *cmdlen, etype)); -inline void rule_frag(int *match, offset); -inline void rule_in(int *match, struct ifnet *oif); -inline void rule_layertwo(int *match, eh); -inline void rule_diverted(int *match, info); -inline void rule_proto(int *match, proto, arg1); -inline void rule_ip_src(int *match, is_ipv4, addr1, addr2); -inline void rule_ip_2_lookup(int *match, ipfw_insn *cmd, int *cmdlen, is_ipv4, is_ipv6, ip, dst_ip, - src_ip, dst_port, src_port, offset, proto, ucred_lookup, ucred_cache, key, struct ip_fw_chain *chain); -inline void rule_ip_dst_mask(int *match, is_ipv4, ipfw_insn *cmd, dst_ip); -inline void rule_ip_src_me(int *match, src_ip, struct ip_fw_args *args); -inline void rule_ip_src_set(int *match, is_ipv4, ipfw_insn *cmd, struct ip_fw_args *args); -inline void rule_ip_dst(int *match, is_ipv4, ipfw_insn *cmd, addr1, addr2); -inline void rule_ip_dst_me(int *match, is_ipv4, is_ipv6, dst_ip, dst_ip6); -inline void rule_ip_dstport(int *match, proto, opcode, ports, int *cmdlen); -inline void rule_icmptype(int *match, offset, proto,ulp, ipfw_insn *cmd ); -inline void rule_ipopt(int *match, is_ipv4, ip, ipfw_insn *cmd); -inline void rule_ipver(int *match, is_ipv4, arg1, ip_v); -inline void rule_ipttl(int *match, is_ipv4, opcode, iplen, ip_ttl, ip_id, int *cmdlen, ports); -inline void rule_ipprecedence(int *match, is_ipv4, arg1, ip_tos); -inline void rule_iptos(int *match, is_ipv4, ipfw_insn *cmd, ip_tos) -inline void rule_dscp(d, is_ipv4, ip_tos, is_ipv6, ip6_vfc); -inline void rule_tcpdatalen(int *match, proto, offset, ulp, iplen, int *cmdlen, arg1, ports); -inline void rule_tcpflags(int *match, proto, offset, ipfw_insn *cmd, th_flags); -inline void rule_tcpopts(int *match, hlen, ulp, th_off, proto, offset, ipfw_insn *cmd); -inline void rule_tcpseq(int *match, proto, offset, ipfw_insn *cmd, ulp); -inline void rule_tcpack(int *match, proto, offset, ipfw_insn *cmd, ulp); -inline void rule_tcpwin(int *match, proto, offset, ipfw_insn *cmd, ulp); -inline void rule_estab(int *match, proto, offset, ulp); -inline void rule_altq(int *match, ipfw_insn *cmd, struct mbuf *m, tag /*PACKET_TAG_PF*/, size_t size, num); -inline void rule_log(int *match, f, hlen, struct ip_fw_args *args, struct mbuf *m, struct ifnet *oif, offset, ip6f_mf, uint32_t *tablearg, ip); -inline void rule_prob(int *match, ipfw_insn *cmd); -inline void rule_verrevpath(int *match, struct ifnet *oif, struct mbuf *m, is_ipv6, struct ip_fw_args *args, src_ip); -inline void rule_versrcreach(int *match, is_ipv6, struct ip_fw_args *args, src_ip); -inline void rule_antispoof(int *match, struct ifnet *oif, hlen, is_ipv4, src_ip, is_ipv6, struct ip_fw_args *args, m); -inline void rule_ip4(int *match, is_ipv4); -inline void rule_tag(int *match, ipfw_insn *cmd, struct mbuf *m, tag, ); -inline void rule_fib(int *match, struct ip_fw_args *args, ipfw_insn *cmd); -inline void rule_tagged(int *match, ipfw_insn *cmd, int *cmdlen, struct mbuf *m, ipfw, tag); #ifdef INET6 -inline void rule_icmp6type(int *match, offset, proto, icmp6_type, ipfw_insn *cmd); -inline void rule_ip6_src(int *match, is_ipv6, src_ip6, addr6); -inline void rule_ip6_dst(int *match, is_ipv6, dst_ip6, addr6); -inline void rule_ip6_dst_mask(int *match, struct ip_fw_args *args, ipfw_insn *cmd, int *cmdlen, is_ipv6, dst_ip6, addr6); -inline void rule_ip6_dst(int *match, is_ipv6, flow_id6, ipfw_insn *cmd); -inline void rule_is_ipv6(int *match, is_ipv6, ext_hd, ipfw_insn *cmd); -inline void rule_ip6(int *match, is_ipv6); +inline void +rule_icmp6type(int *match, u_short offset, uint8_t proto, void *void *ulp, ipfw_insn *cmd) +{ + *match = is_ipv6 && offset == 0 && + proto==IPPROTO_ICMPV6 && + icmp6type_match( + ICMP6(void *ulp)->icmp6_type, + (ipfw_insn_u32 *)cmd); +} + +inline void +rule_ip6_src(int *match, int is_ipv6 struct in_addr *src_ip6, addr6) +{ +} + +inline void +rule_ip6_dst(int *match, int is_ipv6 dst_ip6, addr6) +{ +} + +inline void +rule_ip6_dst_mask(int *match, struct ip_fw_args *args, ipfw_insn *cmd, int *cmdlen, int is_ipv6 dst_ip6, addr6) +{ +} + +inline void +rule_ip6_dst(int *match, int is_ipv6 flow_id6, ipfw_insn *cmd) +{ +} + +inline void +rule_is_ipv6(int *match, int is_ipv6 ext_hd, ipfw_insn *cmd) +{ +} + +inline void +rule_ip6(int *match, is_ipv6) +{ +} + #endif #ifdef IPSEC -inline void rule_ipsec(int *match, m); +inline void +rule_ipsec(int *match, m) +{ +} + endif -#ifndef USERSPACE /* not supported in userspace */ -inline void rule_sockarg(int *match, is_ipv6, proto, struct ip_fw_args *args, tcbinfo, udbinfo, inp, scr_ip, src_port, dst_ip, dst_port, uint32_t *tablearg); +#ifndef USERSPACE +inline void +rule_sockarg(int *match, int is_ipv6 uint8_t proto, struct ip_fw_args *args, tcbinfo, udbinfo, inp, scr_ip, uint16_t src_port, struct in_addr *dst_ip, uint16_t dst_port, uint32_t *tablearg) +{ +} #endif /* !USERSPACE */ /* * The second round of actions. */ -inline void rule_keep_state(int *match, f, ipfw_insn *cmd, struct ip_fw_args *args, uint32_t *tablearg, retval, l, done); -inline void rule_check_state(int *match, dyn_dir, q, struct ip_fw_args *args, proto, ulp, pktlen, f, f_pos, struct ip_fw_chain *chain, ipfw_insn *cmd, int *cmdlen, l); -inline void rule_accept(retval, l, done); -inline void rule_queue(args, f_pos, struct ip_fw_chain *chain, ipfw_insn *cmd, retval, l, done); -inline void rule_tee(args, l, done, retval, ipfw_insn *cmd, struct ip_fw_args *args, f_pos, struct ip_fw_chain *chain); -inline void rule_count(l, f, pktlen); -inline void rule_skipto(int *match, f, f_pos, pktlen, struct ip_fw_chain *chain, ipfw_insn *cmd, uint32_t *tablearg, f, l, ipfw_insn *cmd, int *cmdlen, skip_or); -inline void rule_callreturn(ipfw_insn *cmd, int *cmdlen, struct mbuf *m, l, f, pktlen, uint32_t *tablearg, jmpto, f_pos, struct ip_fw_chain *chain, skip_or); -inline void rule_reject(hlen, is_ipv4, offset, proto, ulp, struct mbuf *m, dst_ip, struct ip_fw_args *args, ipfw_insn *cmd, iplen, ip); -inline void rule_deny(l, done, retval); -inline void rule_forward_ip(args, q, dyn_dir, ipfw_insn *cmd, sa, retval, l, done); -inline void rule_ngtee(args, f_pos, struct ip_fw_chain *chain, ipfw_insn *cmd, V_fw_one_pass, retval, l, done); -inline void rule_setfib(f, pktlen, ipfw_insn *cmd, rt_numfibs, struct mbuf *m, struct ip_fw_args *args, l); -inline void rule_setdscp(ipfw_insn *cmd, l, is_ipv4, a, is_ipv6, f, pktlen); -inline void rule_nat(l, done, retval, struct ip_fw_args *args, f_pos, struct ip_fw_chain *chain, ipfw_insn *cmd, struct ip_fw_chain *chain); -inlinue void rule_reass(f, pktlen, l, ip_off, ip, struct ip_fw_args *args, struct mbuf *m, retval, done); +inline void +rule_keep_state(int *match, f, ipfw_insn *cmd, struct ip_fw_args *args, uint32_t *tablearg, retval, l, done) +{ +} + +inline void +rule_check_state(int *match, dyn_dir, q, struct ip_fw_args *args, uint8_t proto, void *void *ulp, pktlen, f, f_pos, struct ip_fw_chain *chain, ipfw_insn *cmd, int *cmdlen, l) +{ +} + +inline void +rule_accept(retval, l, done) +{ +} + +inline void +rule_queue(args, f_pos, struct ip_fw_chain *chain, ipfw_insn *cmd, retval, l, done) +{ +} + +inline void +rule_tee(args, l, done, retval, ipfw_insn *cmd, struct ip_fw_args *args, f_pos, struct ip_fw_chain *chain) +{ +} + +inline void +rule_count(l, f, pktlen) +{ +} + +inline void +rule_skipto(int *match, f, f_pos, pktlen, struct ip_fw_chain *chain, ipfw_insn *cmd, uint32_t *tablearg, l, ipfw_insn *cmd, int *cmdlen, skip_or) +{ +} + +inline void +rule_callreturn(ipfw_insn *cmd, int *cmdlen, struct mbuf *m, l, f, pktlen, uint32_t *tablearg, jmpto, f_pos, struct ip_fw_chain *chain, skip_or) +{ +} + +inline void +rule_reject(hlen, int is_ipv4 u_short offset, uint8_t proto, void *void *ulp, struct mbuf *m, struct in_addr *dst_ip, struct ip_fw_args *args, ipfw_insn *cmd, uint16_t iplen struct ip *ip) +{ +} + +inline void +rule_deny(l, done, retval) +{ +} + +inline void +rule_forward_ip(args, q, dyn_dir, ipfw_insn *cmd, sa, retval, l, done) +{ +} + +inline void +rule_ngtee(args, f_pos, struct ip_fw_chain *chain, ipfw_insn *cmd, V_fw_one_pass, retval, l, done) +{ +} + +inline void +rule_setfib(f, pktlen, ipfw_insn *cmd, rt_numfibs, struct mbuf *m, struct ip_fw_args *args, l) +{ +} + +inline void +rule_setdscp(ipfw_insn *cmd, l, int is_ipv4 a, int is_ipv6 f, pktlen) +{ +} + +inline void +rule_nat(l, done, retval, struct ip_fw_args *args, f_pos, struct ip_fw_chain *chain, ipfw_insn *cmd, struct ip_fw_chain *chain) +{ +} + +inlinue void rule_reass(f, pktlen, l, ip_off, struct ip *ip, struct ip_fw_args *args, struct mbuf *m, retval, done) +{ +} + #ifdef INET6 -inline void rule_unreach6(hlen, is_ipv4, offset, proto, icmp6_type, struct mbuf *m, struct ip_fw_args *args, ipfw_insn *cmd, ip); -inline void rule_forward_ip6(args, q, f, dun_dir, ipfw_insn *cmd, struct ip_fw_args *args, retval, l, done); -#endif +inline void +rule_unreach6(hlen, int is_ipv4 u_short offset, uint8_t proto, icmp6_type, struct mbuf *m, struct ip_fw_args *args, ipfw_insn *cmd, struct ip *ip) +{ +} + +inline void +rule_forward_ip6(args, q, f, dun_dir, ipfw_insn *cmd, struct ip_fw_args *args, retval, l, done) +{ +} + +#endif /* INET6 */
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