vendor: Update everything
GitHub-Pull-Request: https://github.com/syncthing/syncthing/pull/4620
This commit is contained in:
45
vendor/golang.org/x/net/ipv4/packet.go
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vendored
45
vendor/golang.org/x/net/ipv4/packet.go
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vendored
@@ -7,6 +7,8 @@ package ipv4
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import (
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"net"
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"syscall"
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"golang.org/x/net/internal/socket"
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)
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// BUG(mikio): On Windows, the ReadFrom and WriteTo methods of RawConn
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@@ -14,11 +16,12 @@ import (
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// A packetHandler represents the IPv4 datagram handler.
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type packetHandler struct {
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c *net.IPConn
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*net.IPConn
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*socket.Conn
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rawOpt
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}
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func (c *packetHandler) ok() bool { return c != nil && c.c != nil }
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func (c *packetHandler) ok() bool { return c != nil && c.IPConn != nil && c.Conn != nil }
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// ReadFrom reads an IPv4 datagram from the endpoint c, copying the
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// datagram into b. It returns the received datagram as the IPv4
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@@ -27,25 +30,7 @@ func (c *packetHandler) ReadFrom(b []byte) (h *Header, p []byte, cm *ControlMess
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if !c.ok() {
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return nil, nil, nil, syscall.EINVAL
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}
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oob := newControlMessage(&c.rawOpt)
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n, oobn, _, src, err := c.c.ReadMsgIP(b, oob)
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if err != nil {
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return nil, nil, nil, err
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}
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var hs []byte
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if hs, p, err = slicePacket(b[:n]); err != nil {
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return nil, nil, nil, err
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}
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if h, err = ParseHeader(hs); err != nil {
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return nil, nil, nil, err
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}
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if cm, err = parseControlMessage(oob[:oobn]); err != nil {
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return nil, nil, nil, err
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}
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if src != nil && cm != nil {
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cm.Src = src.IP
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}
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return
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return c.readFrom(b)
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}
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func slicePacket(b []byte) (h, p []byte, err error) {
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@@ -80,21 +65,5 @@ func (c *packetHandler) WriteTo(h *Header, p []byte, cm *ControlMessage) error {
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if !c.ok() {
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return syscall.EINVAL
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}
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oob := marshalControlMessage(cm)
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wh, err := h.Marshal()
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if err != nil {
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return err
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}
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dst := &net.IPAddr{}
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if cm != nil {
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if ip := cm.Dst.To4(); ip != nil {
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dst.IP = ip
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}
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}
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if dst.IP == nil {
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dst.IP = h.Dst
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}
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wh = append(wh, p...)
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_, _, err = c.c.WriteMsgIP(wh, oob, dst)
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return err
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return c.writeTo(h, p, cm)
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}
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