diff options
Diffstat (limited to 'newlib/libc/sys/linux/include/netinet6/ip6_fw.h')
| -rw-r--r-- | newlib/libc/sys/linux/include/netinet6/ip6_fw.h | 231 |
1 files changed, 0 insertions, 231 deletions
diff --git a/newlib/libc/sys/linux/include/netinet6/ip6_fw.h b/newlib/libc/sys/linux/include/netinet6/ip6_fw.h deleted file mode 100644 index ee3aa818f..000000000 --- a/newlib/libc/sys/linux/include/netinet6/ip6_fw.h +++ /dev/null @@ -1,231 +0,0 @@ -/* $FreeBSD: src/sys/netinet6/ip6_fw.h,v 1.12 2002/04/19 04:46:22 suz Exp $ */ -/* $KAME: ip6_fw.h,v 1.9 2001/08/01 04:29:57 sumikawa Exp $ */ - -/* - * Copyright (C) 1998, 1999, 2000 and 2001 WIDE Project. - * All rights reserved. - * - * 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. - * 3. Neither the name of the project nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE PROJECT 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 PROJECT 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. - */ - -/* - * Copyright (c) 1993 Daniel Boulet - * Copyright (c) 1994 Ugen J.S.Antsilevich - * - * Redistribution and use in source forms, with and without modification, - * are permitted provided that this entire comment appears intact. - * - * Redistribution in binary form may occur without any restrictions. - * Obviously, it would be nice if you gave credit where credit is due - * but requiring it would be too onerous. - * - * This software is provided ``AS IS'' without any warranties of any kind. - * - */ - -#ifndef _IP6_FW_H -#define _IP6_FW_H - -#include <net/if.h> - -/* - * This union structure identifies an interface, either explicitly - * by name or implicitly by IP address. The flags IP_FW_F_IIFNAME - * and IP_FW_F_OIFNAME say how to interpret this structure. An - * interface unit number of -1 matches any unit number, while an - * IP address of 0.0.0.0 indicates matches any interface. - * - * The receive and transmit interfaces are only compared against the - * the packet if the corresponding bit (IP_FW_F_IIFACE or IP_FW_F_OIFACE) - * is set. Note some packets lack a receive or transmit interface - * (in which case the missing "interface" never matches). - */ - -union ip6_fw_if { - struct in6_addr fu_via_ip6; /* Specified by IPv6 address */ - struct { /* Specified by interface name */ -#define IP6FW_IFNLEN IFNAMSIZ - char name[IP6FW_IFNLEN]; - short unit; /* -1 means match any unit */ - } fu_via_if; -}; - -/* - * Format of an IP firewall descriptor - * - * fw_src, fw_dst, fw_smsk, fw_dmsk are always stored in network byte order. - * fw_flg and fw_n*p are stored in host byte order (of course). - * Port numbers are stored in HOST byte order. - * Warning: setsockopt() will fail if sizeof(struct ip_fw) > MLEN (108) - */ - -struct ip6_fw { - u_long fw_pcnt,fw_bcnt; /* Packet and byte counters */ - struct in6_addr fw_src, fw_dst; /* Source and destination IPv6 addr */ - struct in6_addr fw_smsk, fw_dmsk; /* Mask for src and dest IPv6 addr */ - u_short fw_number; /* Rule number */ - u_short fw_flg; /* Flags word */ -#define IPV6_FW_MAX_PORTS 10 /* A reasonable maximum */ - u_int fw_ipflg; /* IP flags word */ - u_short fw_pts[IPV6_FW_MAX_PORTS]; /* Array of port numbers to match */ - u_char fw_ip6opt,fw_ip6nopt; /* IPv6 options set/unset */ - u_char fw_tcpf,fw_tcpnf; /* TCP flags set/unset */ -#define IPV6_FW_ICMPTYPES_DIM (256 / (sizeof(unsigned) * 8)) - unsigned fw_icmp6types[IPV6_FW_ICMPTYPES_DIM]; /* ICMP types bitmap */ - long timestamp; /* timestamp (tv_sec) of last match */ - union ip6_fw_if fw_in_if, fw_out_if;/* Incoming and outgoing interfaces */ - union { - u_short fu_divert_port; /* Divert/tee port (options IP6DIVERT) */ - u_short fu_skipto_rule; /* SKIPTO command rule number */ - u_short fu_reject_code; /* REJECT response code */ - } fw_un; - u_char fw_prot; /* IPv6 protocol */ - u_char fw_nports; /* N'of src ports and # of dst ports */ - /* in ports array (dst ports follow */ - /* src ports; max of 10 ports in all; */ - /* count of 0 means match all ports) */ -}; - -#define IPV6_FW_GETNSRCP(rule) ((rule)->fw_nports & 0x0f) -#define IPV6_FW_SETNSRCP(rule, n) do { \ - (rule)->fw_nports &= ~0x0f; \ - (rule)->fw_nports |= (n); \ - } while (0) -#define IPV6_FW_GETNDSTP(rule) ((rule)->fw_nports >> 4) -#define IPV6_FW_SETNDSTP(rule, n) do { \ - (rule)->fw_nports &= ~0xf0; \ - (rule)->fw_nports |= (n) << 4;\ - } while (0) - -#define fw_divert_port fw_un.fu_divert_port -#define fw_skipto_rule fw_un.fu_skipto_rule -#define fw_reject_code fw_un.fu_reject_code - -struct ip6_fw_chain { - LIST_ENTRY(ip6_fw_chain) chain; - struct ip6_fw *rule; -}; - -/* - * Values for "flags" field . - */ -#define IPV6_FW_F_IN 0x0001 /* Check inbound packets */ -#define IPV6_FW_F_OUT 0x0002 /* Check outbound packets */ -#define IPV6_FW_F_IIFACE 0x0004 /* Apply inbound interface test */ -#define IPV6_FW_F_OIFACE 0x0008 /* Apply outbound interface test */ - -#define IPV6_FW_F_COMMAND 0x0070 /* Mask for type of chain entry: */ -#define IPV6_FW_F_DENY 0x0000 /* This is a deny rule */ -#define IPV6_FW_F_REJECT 0x0010 /* Deny and send a response packet */ -#define IPV6_FW_F_ACCEPT 0x0020 /* This is an accept rule */ -#define IPV6_FW_F_COUNT 0x0030 /* This is a count rule */ -#define IPV6_FW_F_DIVERT 0x0040 /* This is a divert rule */ -#define IPV6_FW_F_TEE 0x0050 /* This is a tee rule */ -#define IPV6_FW_F_SKIPTO 0x0060 /* This is a skipto rule */ - -#define IPV6_FW_F_PRN 0x0080 /* Print if this rule matches */ - -#define IPV6_FW_F_SRNG 0x0100 /* The first two src ports are a min * - * and max range (stored in host byte * - * order). */ - -#define IPV6_FW_F_DRNG 0x0200 /* The first two dst ports are a min * - * and max range (stored in host byte * - * order). */ - -#define IPV6_FW_F_IIFNAME 0x0400 /* In interface by name/unit (not IP) */ -#define IPV6_FW_F_OIFNAME 0x0800 /* Out interface by name/unit (not IP) */ - -#define IPV6_FW_F_INVSRC 0x1000 /* Invert sense of src check */ -#define IPV6_FW_F_INVDST 0x2000 /* Invert sense of dst check */ - -#define IPV6_FW_F_FRAG 0x4000 /* Fragment */ - -#define IPV6_FW_F_ICMPBIT 0x8000 /* ICMP type bitmap is valid */ - -#define IPV6_FW_F_MASK 0xFFFF /* All possible flag bits mask */ - -/* - * Flags for the 'fw_ipflg' field, for comparing values of ip and its protocols. */ -#define IPV6_FW_IF_TCPEST 0x00000020 /* established TCP connection */ -#define IPV6_FW_IF_TCPMSK 0x00000020 /* mask of all TCP values */ - -/* - * For backwards compatibility with rules specifying "via iface" but - * not restricted to only "in" or "out" packets, we define this combination - * of bits to represent this configuration. - */ - -#define IF6_FW_F_VIAHACK (IPV6_FW_F_IN|IPV6_FW_F_OUT|IPV6_FW_F_IIFACE|IPV6_FW_F_OIFACE) - -/* - * Definitions for REJECT response codes. - * Values less than 256 correspond to ICMP unreachable codes. - */ -#define IPV6_FW_REJECT_RST 0x0100 /* TCP packets: send RST */ - -/* - * Definitions for IPv6 option names. - */ -#define IPV6_FW_IP6OPT_HOPOPT 0x01 -#define IPV6_FW_IP6OPT_ROUTE 0x02 -#define IPV6_FW_IP6OPT_FRAG 0x04 -#define IPV6_FW_IP6OPT_ESP 0x08 -#define IPV6_FW_IP6OPT_AH 0x10 -#define IPV6_FW_IP6OPT_NONXT 0x20 -#define IPV6_FW_IP6OPT_OPTS 0x40 - -/* - * Definitions for TCP flags. - */ -#define IPV6_FW_TCPF_FIN TH_FIN -#define IPV6_FW_TCPF_SYN TH_SYN -#define IPV6_FW_TCPF_RST TH_RST -#define IPV6_FW_TCPF_PSH TH_PUSH -#define IPV6_FW_TCPF_ACK TH_ACK -#define IPV6_FW_TCPF_URG TH_URG - -/* - * Main firewall chains definitions and global var's definitions. - */ -#ifdef _KERNEL - -/* - * Function definitions. - */ -void ip6_fw_init(void); - -/* Firewall hooks */ -struct ip6_hdr; -typedef int ip6_fw_chk_t __P((struct ip6_hdr**, struct ifnet*, - u_short *, struct mbuf**)); -typedef int ip6_fw_ctl_t __P((int, struct mbuf**)); -extern ip6_fw_chk_t *ip6_fw_chk_ptr; -extern ip6_fw_ctl_t *ip6_fw_ctl_ptr; -extern int ip6_fw_enable; - -#endif /* _KERNEL */ - -#endif /* _IP6_FW_H */ |