83 lines
3.8 KiB
Go
83 lines
3.8 KiB
Go
package chain
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import (
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chain2 "git.kor-elf.net/kor-elf-shield/go-nftables-client/chain"
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"git.kor-elf.net/kor-elf-shield/go-nftables-client/family"
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"git.kor-elf.net/kor-elf-shield/go-nftables-client/internal/command"
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)
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// API for working with chains.
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type API interface {
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// Add adds a new chain.
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//
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// This command is equivalent to:
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// nft add chain (ip|ip6|inet|arp|bridge) {table_name} {chain_name}
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// nft add chain (ip|ip6|inet|arp|bridge) {table_name} {chain_name} '{ type (filter|route|nat) hook (ingress|prerouting|forward|input|output|postrouting|egress) priority (priority_value = int32) ;}'
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// nft add chain (ip|ip6|inet|arp|bridge) {table_name} {chain_name} '{ type filter hook (forward|input|output) priority (priority_value = int32) ; policy (accept|drop) ;}'
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// nft add chain (ip|ip6|inet|arp|bridge) {table_name} {chain_name} '{ type (filter|route|nat) hook (ingress|egress) device {device} priority (priority_value = int32) ;}'
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Add(family family.Type, tableName string, chainName string, baseChain chain2.ChainOptions) error
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// Create creates a new chain.
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// Similar to the Add, but returns an error if the chain already exists.
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//
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// This command is equivalent to:
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// nft create chain (ip|ip6|inet|arp|bridge) {table_name} {chain_name}
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// nft create chain (ip|ip6|inet|arp|bridge) {table_name} {chain_name} '{ type (filter|route|nat) hook (ingress|prerouting|forward|input|output|postrouting|egress) priority (priority_value = int32) ;}'
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// nft create chain (ip|ip6|inet|arp|bridge) {table_name} {chain_name} '{ type filter hook (forward|input|output) priority (priority_value = int32) ; policy (accept|drop) ;}'
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// nft create chain (ip|ip6|inet|arp|bridge) {table_name} {chain_name} '{ type (filter|route|nat) hook (ingress|egress) device {device} priority (priority_value = int32) ;}'
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Create(family family.Type, tableName string, chainName string, baseChain chain2.ChainOptions) error
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// Delete deletes a chain.
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//
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// This command is equivalent to:
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// nft delete chain (ip|ip6|inet|arp|bridge) {table_name} {chain_name}
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Delete(family family.Type, tableName string, chainName string) error
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// Clear clears all rules in a chain.
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//
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// This command is equivalent to:
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// nft flush chain (ip|ip6|inet|arp|bridge) {table_name} {chain_name}
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Clear(family family.Type, tableName string, chainName string) error
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// Rename renames a chain.
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//
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// This command is equivalent to:
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// nft rename chain (ip|ip6|inet|arp|bridge) {table_name} {old_chain_name} {new_chain_name}
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Rename(family family.Type, tableName string, oldChainName string, newChainName string) error
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}
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type chain struct {
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command command.NFT
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}
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func New(command command.NFT) API {
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return &chain{
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command: command,
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}
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}
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func (c *chain) Add(family family.Type, tableName string, chainName string, baseChain chain2.ChainOptions) error {
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args := []string{"add", "chain", family.String(), tableName, chainName, baseChain.String()}
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return c.command.Run(args...)
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}
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func (c *chain) Create(family family.Type, tableName string, chainName string, baseChain chain2.ChainOptions) error {
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args := []string{"create", "chain", family.String(), tableName, chainName, baseChain.String()}
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return c.command.Run(args...)
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}
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func (c *chain) Delete(family family.Type, tableName string, chainName string) error {
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args := []string{"delete", "chain", family.String(), tableName, chainName}
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return c.command.Run(args...)
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}
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func (c *chain) Clear(family family.Type, tableName string, chainName string) error {
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args := []string{"flush", "chain", family.String(), tableName, chainName}
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return c.command.Run(args...)
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}
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func (c *chain) Rename(family family.Type, tableName string, oldChainName string, newChainName string) error {
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args := []string{"rename", "chain", family.String(), tableName, oldChainName, newChainName}
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return c.command.Run(args...)
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}
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