Moar parsers

dataset/parser/firewall.go

@@ -0,0 +1,43 @@
+package parser
+
+import (
+	"bufio"
+	"io"
+	"net/netip"
+	"strings"
+
+	"git.maze.io/maze/styx/internal/sliceutil"
+)
+
+func init() {
+	RegisterNetworksParser(mikroTikNetworksParser{})
+}
+
+type mikroTikNetworksParser struct{}
+
+func (mikroTikNetworksParser) CanHandle(line string) bool {
+	return line == "/ip firewall address-list" ||
+		strings.HasPrefix(line, "add address=")
+}
+
+func (mikroTikNetworksParser) ParseNetworks(r io.Reader) (prefixes []netip.Prefix, ignored int, err error) {
+	scanner := bufio.NewScanner(r)
+	for scanner.Scan() {
+		line := strings.TrimSpace(scanner.Text())
+		if isComment(line) || line == "/ip firewall address-list" {
+			continue
+		}
+		if strings.HasPrefix(line, "add address=") {
+			part := strings.Fields(line[12:])
+			if prefix, err := netip.ParsePrefix(part[0]); err == nil {
+				prefixes = append(prefixes, prefix)
+				continue
+			}
+		}
+		ignored++
+	}
+	if err = scanner.Err(); err != nil {
+		return
+	}
+	return sliceutil.Unique(prefixes), ignored, nil
+}