feat: recode scanner logic, add sshd service, add journald support, recode test for parser, update daemon, update config template

internal/parser/sshd.go

@@ -0,0 +1,54 @@
+package parser
+
+import (
+	"regexp"
+
+	"github.com/d3m0k1d/BanForge/internal/logger"
+	"github.com/d3m0k1d/BanForge/internal/storage"
+)
+
+type SshdParser struct {
+	pattern *regexp.Regexp
+	logger  *logger.Logger
+}
+
+func NewSshdParser() *SshdParser {
+	pattern := regexp.MustCompile(
+		`^([A-Za-z]{3}\s+\d{1,2}\s+\d{2}:\d{2}:\d{2})\s+(\S+)\s+sshd(?:-session)?\[(\d+)\]:\s+Failed\s+(\w+)\s+for\s+(?:invalid\s+user\s+)?(\S+)\s+from\s+(\S+)\s+port\s+(\d+)`,
+	)
+	return &SshdParser{
+		pattern: pattern,
+		logger:  logger.New(false),
+	}
+}
+
+func (p *SshdParser) Parse(eventCh <-chan Event, resultCh chan<- *storage.LogEntry) {
+	// Group 1: Timestamp, Group 2: hostame, Group 3: pid, Group 4: Method auth, Group 5: User, Group 6: IP, Group 7: port
+	go func() {
+		for event := range eventCh {
+			matches := p.pattern.FindStringSubmatch(event.Data)
+			if matches == nil {
+				continue
+			}
+			resultCh <- &storage.LogEntry{
+				Service:  "ssh",
+				IP:       matches[6],
+				Path:     matches[5], // user
+				Status:   "Failed",
+				Method:   matches[4], // method auth
+				IsViewed: false,
+			}
+			p.logger.Info(
+				"Parsed ssh log entry",
+				"ip",
+				matches[6],
+				"user",
+				matches[5],
+				"method",
+				matches[4],
+				"status",
+				"Failed",
+			)
+		}
+	}()
+}