diff options
Diffstat (limited to 'pfinet/linux/ip_fw.h')
| -rw-r--r-- | pfinet/linux/ip_fw.h | 147 |
1 files changed, 0 insertions, 147 deletions
diff --git a/pfinet/linux/ip_fw.h b/pfinet/linux/ip_fw.h deleted file mode 100644 index f80cccbf..00000000 --- a/pfinet/linux/ip_fw.h +++ /dev/null @@ -1,147 +0,0 @@ -/* - * IP firewalling code. This is taken from 4.4BSD. Please note the - * copyright message below. As per the GPL it must be maintained - * and the licenses thus do not conflict. While this port is subject - * to the GPL I also place my modifications under the original - * license in recognition of the original copyright. - * - * Ported from BSD to Linux, - * Alan Cox 22/Nov/1994. - * Merged and included the FreeBSD-Current changes at Ugen's request - * (but hey it's a lot cleaner now). Ugen would prefer in some ways - * we waited for his final product but since Linux 1.2.0 is about to - * appear it's not practical - Read: It works, it's not clean but please - * don't consider it to be his standard of finished work. - * Alan. - * - * All the real work was done by ..... - */ - -/* - * 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. - */ - -/* - * Format of an IP firewall descriptor - * - * src, dst, src_mask, dst_mask are always stored in network byte order. - * flags and num_*_ports are stored in host byte order (of course). - * Port numbers are stored in HOST byte order. - */ - -#ifndef _IP_FW_H -#define _IP_FW_H - -struct ip_fw -{ - struct ip_fw *fw_next; /* Next firewall on chain */ - struct in_addr fw_src, fw_dst; /* Source and destination IP addr */ - struct in_addr fw_smsk, fw_dmsk; /* Mask for src and dest IP addr */ - struct in_addr fw_via; /* IP address of interface "via" */ - unsigned short fw_flg; /* Flags word */ - unsigned short fw_nsp, fw_ndp; /* 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 IP_FW_MAX_PORTS 10 /* A reasonable maximum */ - unsigned short fw_pts[IP_FW_MAX_PORTS]; /* Array of port numbers to match */ - unsigned long fw_pcnt,fw_bcnt; /* Packet and byte counters */ -}; - -/* - * Values for "flags" field . - */ - -#define IP_FW_F_ALL 0x000 /* This is a universal packet firewall*/ -#define IP_FW_F_TCP 0x001 /* This is a TCP packet firewall */ -#define IP_FW_F_UDP 0x002 /* This is a UDP packet firewall */ -#define IP_FW_F_ICMP 0x003 /* This is a ICMP packet firewall */ -#define IP_FW_F_KIND 0x003 /* Mask to isolate firewall kind */ -#define IP_FW_F_ACCEPT 0x004 /* This is an accept firewall (as * - * opposed to a deny firewall)* - * */ -#define IP_FW_F_SRNG 0x008 /* The first two src ports are a min * - * and max range (stored in host byte * - * order). * - * */ -#define IP_FW_F_DRNG 0x010 /* The first two dst ports are a min * - * and max range (stored in host byte * - * order). * - * (ports[0] <= port <= ports[1]) * - * */ -#define IP_FW_F_PRN 0x020 /* In verbose mode print this firewall*/ -#define IP_FW_F_BIDIR 0x040 /* For bidirectional firewalls */ -#define IP_FW_F_TCPSYN 0x080 /* For tcp packets-check SYN only */ -#define IP_FW_F_ICMPRPL 0x100 /* Send back icmp unreachable packet */ -#define IP_FW_F_MASK 0x1FF /* All possible flag bits mask */ - -/* - * New IP firewall options for [gs]etsockopt at the RAW IP level. - * Unlike BSD Linux inherits IP options so you don't have to use - * a raw socket for this. Instead we check rights in the calls. - */ - -#define IP_FW_BASE_CTL 64 - -#define IP_FW_ADD_BLK (IP_FW_BASE_CTL) -#define IP_FW_ADD_FWD (IP_FW_BASE_CTL+1) -#define IP_FW_CHK_BLK (IP_FW_BASE_CTL+2) -#define IP_FW_CHK_FWD (IP_FW_BASE_CTL+3) -#define IP_FW_DEL_BLK (IP_FW_BASE_CTL+4) -#define IP_FW_DEL_FWD (IP_FW_BASE_CTL+5) -#define IP_FW_FLUSH_BLK (IP_FW_BASE_CTL+6) -#define IP_FW_FLUSH_FWD (IP_FW_BASE_CTL+7) -#define IP_FW_ZERO_BLK (IP_FW_BASE_CTL+8) -#define IP_FW_ZERO_FWD (IP_FW_BASE_CTL+9) -#define IP_FW_POLICY_BLK (IP_FW_BASE_CTL+10) -#define IP_FW_POLICY_FWD (IP_FW_BASE_CTL+11) - -#define IP_ACCT_ADD (IP_FW_BASE_CTL+16) -#define IP_ACCT_DEL (IP_FW_BASE_CTL+17) -#define IP_ACCT_FLUSH (IP_FW_BASE_CTL+18) -#define IP_ACCT_ZERO (IP_FW_BASE_CTL+19) - -struct ip_fwpkt -{ - struct iphdr fwp_iph; /* IP header */ - union { - struct tcphdr fwp_tcph; /* TCP header or */ - struct udphdr fwp_udph; /* UDP header */ - } fwp_protoh; - struct in_addr fwp_via; /* interface address */ -}; - -/* - * Main firewall chains definitions and global var's definitions. - */ - -#ifdef __KERNEL__ - -#include <linux/config.h> - -#ifdef CONFIG_IP_FIREWALL -extern struct ip_fw *ip_fw_blk_chain; -extern struct ip_fw *ip_fw_fwd_chain; -extern int ip_fw_blk_policy; -extern int ip_fw_fwd_policy; -extern int ip_fw_ctl(int, void *, int); -#endif -#ifdef CONFIG_IP_ACCT -extern struct ip_fw *ip_acct_chain; -extern void ip_acct_cnt(struct iphdr *, struct device *, struct ip_fw *); -extern int ip_acct_ctl(int, void *, int); -#endif -extern int ip_fw_chk(struct iphdr *, struct device *rif,struct ip_fw *, int, int); -#endif /* KERNEL */ - -#endif /* _IP_FW_H */ |