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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 13:14:23 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 13:14:23 +0000
commit73df946d56c74384511a194dd01dbe099584fd1a (patch)
treefd0bcea490dd81327ddfbb31e215439672c9a068 /src/syscall/route_dragonfly.go
parentInitial commit. (diff)
downloadgolang-1.16-73df946d56c74384511a194dd01dbe099584fd1a.tar.xz
golang-1.16-73df946d56c74384511a194dd01dbe099584fd1a.zip
Adding upstream version 1.16.10.upstream/1.16.10upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/syscall/route_dragonfly.go')
-rw-r--r--src/syscall/route_dragonfly.go84
1 files changed, 84 insertions, 0 deletions
diff --git a/src/syscall/route_dragonfly.go b/src/syscall/route_dragonfly.go
new file mode 100644
index 0000000..b562400
--- /dev/null
+++ b/src/syscall/route_dragonfly.go
@@ -0,0 +1,84 @@
+// Copyright 2011 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 syscall
+
+import "unsafe"
+
+func (any *anyMessage) toRoutingMessage(b []byte) RoutingMessage {
+ switch any.Type {
+ case RTM_ADD, RTM_DELETE, RTM_CHANGE, RTM_GET, RTM_LOSING, RTM_REDIRECT, RTM_MISS, RTM_LOCK, RTM_RESOLVE:
+ p := (*RouteMessage)(unsafe.Pointer(any))
+ // We don't support sockaddr_mpls for now.
+ p.Header.Addrs &= RTA_DST | RTA_GATEWAY | RTA_NETMASK | RTA_GENMASK | RTA_IFA | RTA_IFP | RTA_BRD | RTA_AUTHOR
+ return &RouteMessage{Header: p.Header, Data: b[SizeofRtMsghdr:any.Msglen]}
+ case RTM_IFINFO:
+ p := (*InterfaceMessage)(unsafe.Pointer(any))
+ return &InterfaceMessage{Header: p.Header, Data: b[SizeofIfMsghdr:any.Msglen]}
+ case RTM_IFANNOUNCE:
+ p := (*InterfaceAnnounceMessage)(unsafe.Pointer(any))
+ return &InterfaceAnnounceMessage{Header: p.Header}
+ case RTM_NEWADDR, RTM_DELADDR:
+ p := (*InterfaceAddrMessage)(unsafe.Pointer(any))
+ return &InterfaceAddrMessage{Header: p.Header, Data: b[SizeofIfaMsghdr:any.Msglen]}
+ case RTM_NEWMADDR, RTM_DELMADDR:
+ p := (*InterfaceMulticastAddrMessage)(unsafe.Pointer(any))
+ return &InterfaceMulticastAddrMessage{Header: p.Header, Data: b[SizeofIfmaMsghdr:any.Msglen]}
+ }
+ return nil
+}
+
+// InterfaceAnnounceMessage represents a routing message containing
+// network interface arrival and departure information.
+//
+// Deprecated: Use golang.org/x/net/route instead.
+type InterfaceAnnounceMessage struct {
+ Header IfAnnounceMsghdr
+}
+
+func (m *InterfaceAnnounceMessage) sockaddr() ([]Sockaddr, error) { return nil, nil }
+
+// InterfaceMulticastAddrMessage represents a routing message
+// containing network interface address entries.
+//
+// Deprecated: Use golang.org/x/net/route instead.
+type InterfaceMulticastAddrMessage struct {
+ Header IfmaMsghdr
+ Data []byte
+}
+
+func (m *InterfaceMulticastAddrMessage) sockaddr() ([]Sockaddr, error) {
+ var sas [RTAX_MAX]Sockaddr
+ b := m.Data[:]
+ for i := uint(0); i < RTAX_MAX && len(b) >= minRoutingSockaddrLen; i++ {
+ if m.Header.Addrs&(1<<i) == 0 {
+ continue
+ }
+ rsa := (*RawSockaddr)(unsafe.Pointer(&b[0]))
+ switch rsa.Family {
+ case AF_LINK:
+ sa, err := parseSockaddrLink(b)
+ if err != nil {
+ return nil, err
+ }
+ sas[i] = sa
+ b = b[rsaAlignOf(int(rsa.Len)):]
+ case AF_INET, AF_INET6:
+ sa, err := parseSockaddrInet(b, rsa.Family)
+ if err != nil {
+ return nil, err
+ }
+ sas[i] = sa
+ b = b[rsaAlignOf(int(rsa.Len)):]
+ default:
+ sa, l, err := parseLinkLayerAddr(b)
+ if err != nil {
+ return nil, err
+ }
+ sas[i] = sa
+ b = b[l:]
+ }
+ }
+ return sas[:], nil
+}