Add a pcap-split tool

internal/web/hex2pcap.go

@@ -202,21 +202,6 @@ func resolveLinkType(f hex2pcapForm, haveL2, haveL3 bool) (uint32, error) {
 	return uint32(v), nil
 }
 
-// pcapFilename sanitizes a user supplied download name.
-func pcapFilename(name string) string {
-	name = strings.TrimSuffix(strings.TrimSpace(name), ".pcap")
-	name = strings.Map(func(r rune) rune {
-		if r >= 'a' && r <= 'z' || r >= 'A' && r <= 'Z' || r >= '0' && r <= '9' || r == '-' || r == '_' || r == '.' {
-			return r
-		}
-		return '_'
-	}, name)
-	if strings.Trim(name, "._") == "" {
-		name = "packet"
-	}
-	return name + ".pcap"
-}
-
 type dumpByte struct {
 	Hex     string
 	Class   string // l2, l3, l7 or empty for padding