From 473acc61c8392dc7ae303d91568e179c4f105a76 Mon Sep 17 00:00:00 2001 From: Dimitri Sokolyuk Date: Tue, 2 Jul 2019 12:12:53 +0200 Subject: add black list --- vendor/golang.org/x/net/icmp/multipart.go | 121 ------------------------------ 1 file changed, 121 deletions(-) delete mode 100644 vendor/golang.org/x/net/icmp/multipart.go (limited to 'vendor/golang.org/x/net/icmp/multipart.go') diff --git a/vendor/golang.org/x/net/icmp/multipart.go b/vendor/golang.org/x/net/icmp/multipart.go deleted file mode 100644 index 9ebbbaf..0000000 --- a/vendor/golang.org/x/net/icmp/multipart.go +++ /dev/null @@ -1,121 +0,0 @@ -// Copyright 2015 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package icmp - -import "golang.org/x/net/internal/iana" - -// multipartMessageBodyDataLen takes b as an original datagram and -// exts as extensions, and returns a required length for message body -// and a required length for a padded original datagram in wire -// format. -func multipartMessageBodyDataLen(proto int, withOrigDgram bool, b []byte, exts []Extension) (bodyLen, dataLen int) { - for _, ext := range exts { - bodyLen += ext.Len(proto) - } - if bodyLen > 0 { - if withOrigDgram { - dataLen = multipartMessageOrigDatagramLen(proto, b) - } - bodyLen += 4 // length of extension header - } else { - dataLen = len(b) - } - bodyLen += dataLen - return bodyLen, dataLen -} - -// multipartMessageOrigDatagramLen takes b as an original datagram, -// and returns a required length for a padded orignal datagram in wire -// format. -func multipartMessageOrigDatagramLen(proto int, b []byte) int { - roundup := func(b []byte, align int) int { - // According to RFC 4884, the padded original datagram - // field must contain at least 128 octets. - if len(b) < 128 { - return 128 - } - r := len(b) - return (r + align - 1) & ^(align - 1) - } - switch proto { - case iana.ProtocolICMP: - return roundup(b, 4) - case iana.ProtocolIPv6ICMP: - return roundup(b, 8) - default: - return len(b) - } -} - -// marshalMultipartMessageBody takes data as an original datagram and -// exts as extesnsions, and returns a binary encoding of message body. -// It can be used for non-multipart message bodies when exts is nil. -func marshalMultipartMessageBody(proto int, withOrigDgram bool, data []byte, exts []Extension) ([]byte, error) { - bodyLen, dataLen := multipartMessageBodyDataLen(proto, withOrigDgram, data, exts) - b := make([]byte, 4+bodyLen) - copy(b[4:], data) - off := dataLen + 4 - if len(exts) > 0 { - b[dataLen+4] = byte(extensionVersion << 4) - off += 4 // length of object header - for _, ext := range exts { - switch ext := ext.(type) { - case *MPLSLabelStack: - if err := ext.marshal(proto, b[off:]); err != nil { - return nil, err - } - off += ext.Len(proto) - case *InterfaceInfo: - attrs, l := ext.attrsAndLen(proto) - if err := ext.marshal(proto, b[off:], attrs, l); err != nil { - return nil, err - } - off += ext.Len(proto) - case *InterfaceIdent: - if err := ext.marshal(proto, b[off:]); err != nil { - return nil, err - } - off += ext.Len(proto) - } - } - s := checksum(b[dataLen+4:]) - b[dataLen+4+2] ^= byte(s) - b[dataLen+4+3] ^= byte(s >> 8) - if withOrigDgram { - switch proto { - case iana.ProtocolICMP: - b[1] = byte(dataLen / 4) - case iana.ProtocolIPv6ICMP: - b[0] = byte(dataLen / 8) - } - } - } - return b, nil -} - -// parseMultipartMessageBody parses b as either a non-multipart -// message body or a multipart message body. -func parseMultipartMessageBody(proto int, typ Type, b []byte) ([]byte, []Extension, error) { - var l int - switch proto { - case iana.ProtocolICMP: - l = 4 * int(b[1]) - case iana.ProtocolIPv6ICMP: - l = 8 * int(b[0]) - } - if len(b) == 4 { - return nil, nil, nil - } - exts, l, err := parseExtensions(typ, b[4:], l) - if err != nil { - l = len(b) - 4 - } - var data []byte - if l > 0 { - data = make([]byte, l) - copy(data, b[4:]) - } - return data, exts, nil -} -- cgit v1.2.3