nuno 已修改 1 month ago. 還原成這個修訂版本
1 file changed, 130 insertions
gistfile1.txt(檔案已創建)
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| 1 | + | ||
| 2 | + | # ============================================ | |
| 3 | + | # Rule Management | |
| 4 | + | # ============================================ | |
| 5 | + | ||
| 6 | + | function fw::block_ip() { | |
| 7 | + | local client_ip="$1" target_ip="$2" | |
| 8 | + | fw::_forward_exists -s "$client_ip" -d "$target_ip" -j DROP \ | |
| 9 | + | || iptables -I FORWARD 1 -s "$client_ip" -d "$target_ip" -j DROP | |
| 10 | + | ||
| 11 | + | fw::_forward_exists -s "$client_ip" -d "$target_ip" -j NFLOG --nflog-group 1 --nflog-prefix "wgctl-drop:" \ | |
| 12 | + | || iptables -I FORWARD 1 -s "$client_ip" -d "$target_ip" -j NFLOG --nflog-group 1 --nflog-prefix "wgctl-drop:" | |
| 13 | + | } | |
| 14 | + | ||
| 15 | + | function fw::unblock_ip() { | |
| 16 | + | local client_ip="$1" target_ip="$2" | |
| 17 | + | ||
| 18 | + | fw::_forward_exists -s "$client_ip" -d "$target_ip" -j LOG --log-prefix "wgctl-dropped:" \ | |
| 19 | + | && iptables -D FORWARD -s "$client_ip" -d "$target_ip" -j LOG --log-prefix "wgctl-dropped: " --log-level 4 2>/dev/null || true | |
| 20 | + | ||
| 21 | + | fw::_forward_exists -s "$client_ip" -d "$target_ip" -j DROP \ | |
| 22 | + | && iptables -D FORWARD -s "$client_ip" -d "$target_ip" -j DROP 2>/dev/null || true | |
| 23 | + | } | |
| 24 | + | ||
| 25 | + | function fw::block_port() { | |
| 26 | + | local client_ip="$1" target_ip="$2" port="$3" proto="${4:-tcp}" | |
| 27 | + | ||
| 28 | + | fw::_forward_exists -s "$client_ip" -d "$target_ip" -p "$proto" --dport "$port" -j DROP \ | |
| 29 | + | || iptables -I FORWARD 1 -s "$client_ip" -d "$target_ip" -p "$proto" --dport "$port" -j DROP | |
| 30 | + | ||
| 31 | + | fw::_forward_exists -s "$client_ip" -d "$target_ip" -p "$proto" --dport "$port" -j NFLOG --nflog-group 1 --nflog-prefix "wgctl-drop:" \ | |
| 32 | + | || iptables -I FORWARD 1 -s "$client_ip" -d "$target_ip" -p "$proto" --dport "$port" -j NFLOG --nflog-group 1 --nflog-prefix "wgctl-drop:" | |
| 33 | + | } | |
| 34 | + | ||
| 35 | + | function fw::unblock_port() { | |
| 36 | + | local client_ip="$1" target_ip="$2" port="$3" proto="${4:-tcp}" | |
| 37 | + | ||
| 38 | + | fw::_forward_exists -s "$client_ip" -d "$target_ip" -p "$proto" --dport "$port" -j DROP \ | |
| 39 | + | && iptables -D FORWARD -s "$client_ip" -d "$target_ip" -p "$proto" --dport "$port" -j DROP 2>/dev/null || true | |
| 40 | + | } | |
| 41 | + | ||
| 42 | + | function fw::block_all() { | |
| 43 | + | local client_ip="$1" client_name="$2" | |
| 44 | + | ||
| 45 | + | iptables -A FORWARD -s "$client_ip" -j DROP | |
| 46 | + | ||
| 47 | + | log::debug "Blocked all traffic from: ${client_ip}" | |
| 48 | + | } | |
| 49 | + | ||
| 50 | + | function fw::unblock_all() { | |
| 51 | + | local client_ip="$1" | |
| 52 | + | ||
| 53 | + | iptables -D FORWARD -s "$client_ip" -j DROP 2>/dev/null || true | |
| 54 | + | ||
| 55 | + | monitor::unwatch "$client_ip" | |
| 56 | + | log::debug "Unblocked all traffic from: ${client_ip}" | |
| 57 | + | } | |
| 58 | + | ||
| 59 | + | function fw::block_subnet() { | |
| 60 | + | local client_ip="$1" target_subnet="$2" | |
| 61 | + | ||
| 62 | + | fw::_forward_exists -s "$client_ip" -d "$target_subnet" -j DROP \ | |
| 63 | + | || iptables -A FORWARD -s "$client_ip" -d "$target_subnet" -j DROP | |
| 64 | + | ||
| 65 | + | fw::_forward_exists -s "$client_ip" -d "$target_subnet" -j NFLOG --nflog-group 1 --nflog-prefix "wgctl-drop:" \ | |
| 66 | + | || iptables -A FORWARD -s "$client_ip" -d "$target_subnet" -j NFLOG --nflog-group 1 --nflog-prefix "wgctl-drop:" | |
| 67 | + | ||
| 68 | + | log::wg_block "Blocked ${client_ip} → subnet ${target_subnet}" | |
| 69 | + | } | |
| 70 | + | ||
| 71 | + | function fw::unblock_subnet() { | |
| 72 | + | local client_ip="$1" target_subnet="$2" | |
| 73 | + | ||
| 74 | + | fw::_forward_exists -s "$client_ip" -d "$target_subnet" -j NFLOG --nflog-group 1 --nflog-prefix "wgctl-drop:" \ | |
| 75 | + | && iptables -D FORWARD -s "$client_ip" -d "$target_subnet" -j NFLOG --nflog-group 1 --nflog-prefix "wgctl-drop:" 2>/dev/null || true | |
| 76 | + | ||
| 77 | + | fw::_forward_exists -s "$client_ip" -d "$target_subnet" -j NFLOG --nflog-group 1 --nflog-prefix "wgctl-drop:" \ | |
| 78 | + | && iptables -D FORWARD -s "$client_ip" -d "$target_subnet" -j DROP 2>/dev/null || true | |
| 79 | + | ||
| 80 | + | log::wg_unblock "Unblocked ${client_ip} → subnet ${target_subnet}" | |
| 81 | + | } | |
| 82 | + | ||
| 83 | + | function fw::allow_ip() { | |
| 84 | + | local client_ip="$1" target_ip="$2" | |
| 85 | + | ||
| 86 | + | fw::_forward_exists -s "$client_ip" -d "$target_ip" -j ACCEPT \ | |
| 87 | + | || iptables -I FORWARD 1 -s "$client_ip" -d "$target_ip" -j ACCEPT | |
| 88 | + | } | |
| 89 | + | ||
| 90 | + | function fw::unallow_ip() { | |
| 91 | + | local client_ip="$1" target_ip="$2" | |
| 92 | + | ||
| 93 | + | fw::_forward_exists -s "$client_ip" -d "$target_ip" -j ACCEPT \ | |
| 94 | + | && iptables -D FORWARD -s "$client_ip" -d "$target_ip" -j ACCEPT 2>/dev/null || true | |
| 95 | + | } | |
| 96 | + | ||
| 97 | + | function fw::allow_port() { | |
| 98 | + | local client_ip="$1" target_ip="$2" port="$3" proto="${4:-tcp}" | |
| 99 | + | ||
| 100 | + | fw::_forward_exists -s "$client_ip" -d "$target_ip" -p "$proto" --dport "$port" -j ACCEPT \ | |
| 101 | + | || iptables -I FORWARD 1 -s "$client_ip" -d "$target_ip" -p "$proto" --dport "$port" -j ACCEPT | |
| 102 | + | } | |
| 103 | + | ||
| 104 | + | function fw::unallow_port() { | |
| 105 | + | local client_ip="$1" target_ip="$2" port="$3" proto="${4:-tcp}" | |
| 106 | + | ||
| 107 | + | fw::_forward_exists -s "$client_ip" -d "$target_ip" -p "$proto" --dport "$port" -j ACCEPT \ | |
| 108 | + | && iptables -D FORWARD -s "$client_ip" -d "$target_ip" -p "$proto" --dport "$port" -j ACCEPT 2>/dev/null || true | |
| 109 | + | } | |
| 110 | + | ||
| 111 | + | function fw::flush_peer() { | |
| 112 | + | local client_ip="${1:?client_ip required}" | |
| 113 | + | log::debug "flush_peer: starting for $client_ip" | |
| 114 | + | ||
| 115 | + | # Collect line numbers into array | |
| 116 | + | local linenums=() | |
| 117 | + | while IFS= read -r linenum; do | |
| 118 | + | [[ -n "$linenum" ]] && linenums+=("$linenum") | |
| 119 | + | done < <(iptables -L FORWARD -n --line-numbers | grep -F "$client_ip" | awk '{print $1}') | |
| 120 | + | ||
| 121 | + | # Delete in reverse order (highest number first) | |
| 122 | + | local count=0 | |
| 123 | + | local i | |
| 124 | + | for (( i=${#linenums[@]}-1; i>=0; i-- )); do | |
| 125 | + | iptables -D FORWARD "${linenums[$i]}" 2>/dev/null || true | |
| 126 | + | (( count++ )) || true | |
| 127 | + | done | |
| 128 | + | ||
| 129 | + | log::debug "flush_peer: removed $count FORWARD rules for: $client_ip" | |
| 130 | + | } | |
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