mirror of
https://github.com/SubleXBle/Fail2Ban-Report.git
synced 2026-02-08 17:58:32 -06:00
64 lines
1.7 KiB
Bash
64 lines
1.7 KiB
Bash
LOGFILE="/var/log/fail2ban.log"
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OUTPUT_JSON_DIR="/var/www/Fail2Ban-Report/archive"
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TODAY=$(date +"%Y-%m-%d")
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OUTPUT_JSON_FILE="$OUTPUT_JSON_DIR/fail2ban-events-$(date +"%Y%m%d").json"
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mkdir -p "$OUTPUT_JSON_DIR"
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echo "[" > "$OUTPUT_JSON_FILE"
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# Grep alle relevanten Events
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grep -E "(Ban|Unban)" "$LOGFILE" | awk -v today="$TODAY" '
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{
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timestamp = $1 " " $2;
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if (index(timestamp, today) != 1) next;
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action = "";
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ip = "";
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if ($0 ~ /Increase Ban/) {
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action = "Increase Ban";
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match($0, /Increase Ban ([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+)/, m);
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if (m[1]) ip = m[1];
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} else if ($0 ~ /Ban/) {
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action = "Ban";
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match($0, /Ban ([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+)/, m);
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if (m[1]) ip = m[1];
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} else if ($0 ~ /Unban/) {
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action = "Unban";
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match($0, /Unban ([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+)/, m);
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if (m[1]) ip = m[1];
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}
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# Extract jail from first non-numeric bracketed section
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text = $0;
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c = 0;
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delete arr;
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while (match(text, /\[[^]]+\]/)) {
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content = substr(text, RSTART+1, RLENGTH-2);
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c++;
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arr[c] = content;
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text = substr(text, RSTART + RLENGTH);
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}
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jail = "unknown";
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for(i=1; i<=c; i++) {
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if (arr[i] !~ /^[0-9]+$/) {
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jail = arr[i];
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break;
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}
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}
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if (ip != "") {
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printf " {\n \"timestamp\": \"%s\",\n \"action\": \"%s\",\n \"ip\": \"%s\",\n \"jail\": \"%s\"\n },\n", timestamp, action, ip, jail;
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}
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}
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' >> "$OUTPUT_JSON_FILE"
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# Remove last comma
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if [ -s "$OUTPUT_JSON_FILE" ]; then
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sed -i '$ s/},/}/' "$OUTPUT_JSON_FILE"
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fi
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echo "]" >> "$OUTPUT_JSON_FILE"
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echo "✅ JSON created: $OUTPUT_JSON_FILE"
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