http://www.ousob.com --- Legacy Redefined OuSob - File: /wwwroot/clipx/usr/include/wvstreams/wvipfirewall.h

/* -*- Mode: C++ -*- * Worldvisions Weaver Software: * Copyright (C) 1997-2002 Net Integration Technologies, Inc. * * WvIPFirewall is an extremely simple hackish class that handles the Linux * 2.4 "iptables" firewall. It's okay to create more than one instance * of this class; they'll co-operate. * * They need you to have created the appropriate firewall tables already, * however, and call them from the right places in the Input and/or Forward * firewalls. */ #ifndef __WVIPFIREWALL_H #define __WVIPFIREWALL_H #include "wvinterface.h" #include "wvstringlist.h" #include "wvaddr.h" DeclareWvList(WvIPPortAddr); class IWvIPFirewall { public: virtual ~IWvIPFirewall() { } virtual void zap() = 0; virtual void add_port(const WvIPPortAddr &addr) = 0; virtual void add_redir(const WvIPPortAddr &src, int dstport) = 0; virtual void add_redir_all(int dstport) = 0; virtual void add_redir_port_range(const WvIPPortAddr &src_min, const WvIPPortAddr &src_max, int dstport) = 0; virtual void add_proto(WvStringParm proto) = 0; virtual void add_forward(const WvIPPortAddr &src, const WvIPPortAddr &dst, bool snat) = 0; virtual void del_port(const WvIPPortAddr &addr) = 0; virtual void del_redir(const WvIPPortAddr &src, int dstport) = 0; virtual void del_redir_all(int dstport) = 0; virtual void del_redir_port_range(const WvIPPortAddr &src_min, const WvIPPortAddr &src_max, int dstport) = 0; virtual void del_proto(WvStringParm proto) = 0; virtual void del_forward(const WvIPPortAddr &src, const WvIPPortAddr &dst, bool snat) = 0; }; /** Class to handle Linux 2.4 IPTables */ class WvIPFirewall : public IWvIPFirewall { class FFwd { public: WvIPPortAddr src; WvIPPortAddr dst; bool snat; FFwd(const WvIPPortAddr &_src, const WvIPPortAddr &_dst, bool _snat) : src(_src), dst(_dst) { snat = _snat; } }; class Redir { public: WvIPPortAddr src; int dstport; Redir(const WvIPPortAddr &_src, int _dstport) : src(_src) { dstport = _dstport; } }; class RedirAll { public: int dstport; RedirAll(int _dstport) { dstport = _dstport; } }; class RedirPortRange { public: WvIPPortAddr src_min; WvIPPortAddr src_max; int dstport; RedirPortRange(const WvIPPortAddr &_src_min, const WvIPPortAddr &_src_max, int _dstport) : src_min(_src_min), src_max(_src_max) { dstport = _dstport; } }; DeclareWvList(FFwd); DeclareWvList(Redir); DeclareWvList(RedirAll); DeclareWvList(RedirPortRange); FFwdList ffwds; RedirList redirs; RedirAllList redir_alls; RedirPortRangeList redir_port_ranges; WvIPPortAddrList addrs; WvStringList protos; WvString port_command(const char *cmd, const char *proto, const WvIPPortAddr &addr); WvString redir_command(const char *cmd, const WvIPPortAddr &src, int dstport); WvString redir_port_range_command(const char *cmd, const WvIPPortAddr &src_min, const WvIPPortAddr &src_max, int dstport); WvString redir_all_command(const char *cmd, int dstport); WvString proto_command(const char *cmd, const char *proto); WvString forward_command(const char *cmd, const char *proto, const WvIPPortAddr &src, const WvIPPortAddr &dst, bool snat); WvLog log; const char *shutup() const { return ignore_errors ? " >/dev/null 2>/dev/null " : ""; } public: WvIPFirewall(); virtual ~WvIPFirewall(); static bool enable, ignore_errors; virtual void zap(); virtual void add_port(const WvIPPortAddr &addr); virtual void add_redir(const WvIPPortAddr &src, int dstport); virtual void add_redir_all(int dstport); virtual void add_redir_port_range(const WvIPPortAddr &src_min, const WvIPPortAddr &src_max, int dstport); virtual void add_proto(WvStringParm proto); virtual void add_forward(const WvIPPortAddr &src, const WvIPPortAddr &dst, bool snat); virtual void del_proto(WvStringParm proto); virtual void del_port(const WvIPPortAddr &addr); virtual void del_redir(const WvIPPortAddr &src, int dstport); virtual void del_forward(const WvIPPortAddr &src, const WvIPPortAddr &dst, bool snat); virtual void del_redir_all(int dstport); virtual void del_redir_port_range(const WvIPPortAddr &src_min, const WvIPPortAddr &src_max, int dstport); }; #endif // __WVIPFIREWALL_H