class PaIpfw2Backend IPFW2 ACL backend interface. More...

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Public Types

• enum { DEFAULT_RULESET = 0, TRANSCRIPT_RULESET = 1, RESERVED_RULESET = 31, MAX_RULESETS = 32 }
• enum { MAX_IPFW2_RULE_WORDS = 255, IPFW_RULENUM_MAX = 65535 }
• enum { CMD_DEL_RULE = 0, CMD_DEL_RULES_WITH_SET = 1, CMD_MOVE_RULE = 2, CMD_MOVE_RULESET = 3, CMD_SWAP_RULESETS = 4 }
• typedef vector<uint32_t> RuleBuf
• typedef map<uint16_t, RuleBuf> RulesetDB
• typedef map<uint8_t, Snapshot4* > Snapshot4DB
• typedef bitset<MAX_RULESETS> RulesetGroup

Public Methods

•  PaIpfw2Backend ()
• virtual  ~PaIpfw2Backend ()
• const char*  get_name () const
• const char*  get_version () const
• bool  push_entries4 (const PaSnapshot4* snap)
• bool  delete_all_entries4 ()
• const PaBackend::Snapshot4Base*  create_snapshot4 ()
• bool  restore_snapshot4 (const PaBackend::Snapshot4Base* snap)
• bool  push_entries6 (const PaSnapshot6* snap)
• bool  delete_all_entries6 ()
• const PaBackend::Snapshot6Base*  create_snapshot6 () const
• bool  restore_snapshot6 (const PaBackend::Snapshot6Base* snap)
• inline Snapshot4**  get_snapshotdb ()

Protected Methods

• int  docmd4 (int optname, void *optval, socklen_t optlen)
• int  enable_disable_rulesets4 (RulesetGroup& enable_group, RulesetGroup& disable_group)
• int  enable_ruleset4 (int index)
• int  disable_ruleset4 (int index)
• int  move_ruleset4 (int src_index, int dst_index)
• int  swap_ruleset4 (int first_index, int second_index)
• int  flush_ruleset4 (int index)
• int  add_rule4 (const int ruleset_index, const PaEntry4& entry)
• void  copy_ruleset4 (int src_index, int dst_index)
• int  read_ruleset4 (const int ruleset_index, RulesetDB& rulesetdb)
• void  renumber_ruleset4 (const int ruleset_index, RulesetDB& rulesetdb)
• int  push_rulesetdb4 (RulesetDB& rulesetdb)
• void  transcribe_rule4 (const PaEntry4& entry, const int ruleset_index, uint32_t rulebuf[MAX_IPFW2_RULE_WORDS], uint32_t& size_used)
• int  push_rule4 (const int ruleset_index, uint32_t rulebuf[], const uint32_t size_used)

Protected Static Methods

• static bool  get_autoinc_step (uint32_t& step)
• static bool  set_autoinc_step (const uint32_t& step)

Protected Members

• Snapshot4* _snapshot4db[MAX_RULESETS]
• int _s4

Detailed Description

Concrete class defining a backend which drives IPFW2 on FreeBSD.

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Reimplemented from PaBackend.

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