diff --git a/go.mod b/go.mod index c679800bd7..27e5bab9b7 100644 --- a/go.mod +++ b/go.mod @@ -243,7 +243,7 @@ require ( go.uber.org/multierr v1.11.0 // indirect go.uber.org/zap v1.27.0 // indirect go.yaml.in/yaml/v2 v2.4.3 // indirect - golang.org/x/crypto v0.44.0 // indirect + golang.org/x/crypto v0.45.0 // indirect golang.org/x/oauth2 v0.30.0 // indirect golang.org/x/tools v0.38.0 // indirect google.golang.org/api v0.248.0 // indirect diff --git a/go.sum b/go.sum index ab832c501e..d5e584e0f2 100644 --- a/go.sum +++ b/go.sum @@ -706,8 +706,8 @@ golang.org/x/crypto v0.0.0-20190923035154-9ee001bba392/go.mod h1:/lpIB1dKB+9EgE3 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI= golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto= golang.org/x/crypto v0.0.0-20201124201722-c8d3bf9c5392/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I= -golang.org/x/crypto v0.44.0 h1:A97SsFvM3AIwEEmTBiaxPPTYpDC47w720rdiiUvgoAU= -golang.org/x/crypto v0.44.0/go.mod h1:013i+Nw79BMiQiMsOPcVCB5ZIJbYkerPrGnOa00tvmc= +golang.org/x/crypto v0.45.0 h1:jMBrvKuj23MTlT0bQEOBcAE0mjg8mK9RXFhRH6nyF3Q= +golang.org/x/crypto v0.45.0/go.mod h1:XTGrrkGJve7CYK7J8PEww4aY7gM3qMCElcJQ8n8JdX4= golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA= golang.org/x/exp v0.0.0-20250911091902-df9299821621 h1:2id6c1/gto0kaHYyrixvknJ8tUK/Qs5IsmBtrc+FtgU= golang.org/x/exp v0.0.0-20250911091902-df9299821621/go.mod h1:TwQYMMnGpvZyc+JpB/UAuTNIsVJifOlSkrZkhcvpVUk= diff --git a/vendor/golang.org/x/crypto/ssh/keys.go b/vendor/golang.org/x/crypto/ssh/keys.go index a035956fcc..47a07539d9 100644 --- a/vendor/golang.org/x/crypto/ssh/keys.go +++ b/vendor/golang.org/x/crypto/ssh/keys.go @@ -1490,6 +1490,7 @@ type openSSHEncryptedPrivateKey struct { NumKeys uint32 PubKey []byte PrivKeyBlock []byte + Rest []byte `ssh:"rest"` } type openSSHPrivateKey struct { diff --git a/vendor/golang.org/x/crypto/ssh/ssh_gss.go b/vendor/golang.org/x/crypto/ssh/ssh_gss.go index 24bd7c8e83..a6249a1227 100644 --- a/vendor/golang.org/x/crypto/ssh/ssh_gss.go +++ b/vendor/golang.org/x/crypto/ssh/ssh_gss.go @@ -106,6 +106,13 @@ func parseGSSAPIPayload(payload []byte) (*userAuthRequestGSSAPI, error) { if !ok { return nil, errors.New("parse uint32 failed") } + // Each ASN.1 encoded OID must have a minimum + // of 2 bytes; 64 maximum mechanisms is an + // arbitrary, but reasonable ceiling. + const maxMechs = 64 + if n > maxMechs || int(n)*2 > len(rest) { + return nil, errors.New("invalid mechanism count") + } s := &userAuthRequestGSSAPI{ N: n, OIDS: make([]asn1.ObjectIdentifier, n), @@ -122,7 +129,6 @@ func parseGSSAPIPayload(payload []byte) (*userAuthRequestGSSAPI, error) { if rest, err = asn1.Unmarshal(desiredMech, &s.OIDS[i]); err != nil { return nil, err } - } return s, nil } diff --git a/vendor/golang.org/x/crypto/ssh/streamlocal.go b/vendor/golang.org/x/crypto/ssh/streamlocal.go index b171b330bc..152470fcb7 100644 --- a/vendor/golang.org/x/crypto/ssh/streamlocal.go +++ b/vendor/golang.org/x/crypto/ssh/streamlocal.go @@ -44,7 +44,7 @@ func (c *Client) ListenUnix(socketPath string) (net.Listener, error) { if !ok { return nil, errors.New("ssh: streamlocal-forward@openssh.com request denied by peer") } - ch := c.forwards.add(&net.UnixAddr{Name: socketPath, Net: "unix"}) + ch := c.forwards.add("unix", socketPath) return &unixListener{socketPath, c, ch}, nil } @@ -96,7 +96,7 @@ func (l *unixListener) Accept() (net.Conn, error) { // Close closes the listener. func (l *unixListener) Close() error { // this also closes the listener. - l.conn.forwards.remove(&net.UnixAddr{Name: l.socketPath, Net: "unix"}) + l.conn.forwards.remove("unix", l.socketPath) m := streamLocalChannelForwardMsg{ l.socketPath, } diff --git a/vendor/golang.org/x/crypto/ssh/tcpip.go b/vendor/golang.org/x/crypto/ssh/tcpip.go index 93d844f035..78c41fe5a1 100644 --- a/vendor/golang.org/x/crypto/ssh/tcpip.go +++ b/vendor/golang.org/x/crypto/ssh/tcpip.go @@ -11,6 +11,7 @@ import ( "io" "math/rand" "net" + "net/netip" "strconv" "strings" "sync" @@ -22,14 +23,21 @@ import ( // the returned net.Listener. The listener must be serviced, or the // SSH connection may hang. // N must be "tcp", "tcp4", "tcp6", or "unix". +// +// If the address is a hostname, it is sent to the remote peer as-is, without +// being resolved locally, and the Listener Addr method will return a zero IP. func (c *Client) Listen(n, addr string) (net.Listener, error) { switch n { case "tcp", "tcp4", "tcp6": - laddr, err := net.ResolveTCPAddr(n, addr) + host, portStr, err := net.SplitHostPort(addr) if err != nil { return nil, err } - return c.ListenTCP(laddr) + port, err := strconv.ParseInt(portStr, 10, 32) + if err != nil { + return nil, err + } + return c.listenTCPInternal(host, int(port)) case "unix": return c.ListenUnix(addr) default: @@ -102,15 +110,24 @@ func (c *Client) handleForwards() { // ListenTCP requests the remote peer open a listening socket // on laddr. Incoming connections will be available by calling // Accept on the returned net.Listener. +// +// ListenTCP accepts an IP address, to provide a hostname use [Client.Listen] +// with "tcp", "tcp4", or "tcp6" network instead. func (c *Client) ListenTCP(laddr *net.TCPAddr) (net.Listener, error) { c.handleForwardsOnce.Do(c.handleForwards) if laddr.Port == 0 && isBrokenOpenSSHVersion(string(c.ServerVersion())) { return c.autoPortListenWorkaround(laddr) } + return c.listenTCPInternal(laddr.IP.String(), laddr.Port) +} + +func (c *Client) listenTCPInternal(host string, port int) (net.Listener, error) { + c.handleForwardsOnce.Do(c.handleForwards) + m := channelForwardMsg{ - laddr.IP.String(), - uint32(laddr.Port), + host, + uint32(port), } // send message ok, resp, err := c.SendRequest("tcpip-forward", true, Marshal(&m)) @@ -123,20 +140,33 @@ func (c *Client) ListenTCP(laddr *net.TCPAddr) (net.Listener, error) { // If the original port was 0, then the remote side will // supply a real port number in the response. - if laddr.Port == 0 { + if port == 0 { var p struct { Port uint32 } if err := Unmarshal(resp, &p); err != nil { return nil, err } - laddr.Port = int(p.Port) + port = int(p.Port) } + // Construct a local address placeholder for the remote listener. If the + // original host is an IP address, preserve it so that Listener.Addr() + // reports the same IP. If the host is a hostname or cannot be parsed as an + // IP, fall back to IPv4zero. The port field is always set, even if the + // original port was 0, because in that case the remote server will assign + // one, allowing callers to determine which port was selected. + ip := net.IPv4zero + if parsed, err := netip.ParseAddr(host); err == nil { + ip = net.IP(parsed.AsSlice()) + } + laddr := &net.TCPAddr{ + IP: ip, + Port: port, + } + addr := net.JoinHostPort(host, strconv.FormatInt(int64(port), 10)) + ch := c.forwards.add("tcp", addr) - // Register this forward, using the port number we obtained. - ch := c.forwards.add(laddr) - - return &tcpListener{laddr, c, ch}, nil + return &tcpListener{laddr, addr, c, ch}, nil } // forwardList stores a mapping between remote @@ -149,8 +179,9 @@ type forwardList struct { // forwardEntry represents an established mapping of a laddr on a // remote ssh server to a channel connected to a tcpListener. type forwardEntry struct { - laddr net.Addr - c chan forward + addr string // host:port or socket path + network string // tcp or unix + c chan forward } // forward represents an incoming forwarded tcpip connection. The @@ -161,12 +192,13 @@ type forward struct { raddr net.Addr // the raddr of the incoming connection } -func (l *forwardList) add(addr net.Addr) chan forward { +func (l *forwardList) add(n, addr string) chan forward { l.Lock() defer l.Unlock() f := forwardEntry{ - laddr: addr, - c: make(chan forward, 1), + addr: addr, + network: n, + c: make(chan forward, 1), } l.entries = append(l.entries, f) return f.c @@ -185,19 +217,20 @@ func parseTCPAddr(addr string, port uint32) (*net.TCPAddr, error) { if port == 0 || port > 65535 { return nil, fmt.Errorf("ssh: port number out of range: %d", port) } - ip := net.ParseIP(string(addr)) - if ip == nil { + ip, err := netip.ParseAddr(addr) + if err != nil { return nil, fmt.Errorf("ssh: cannot parse IP address %q", addr) } - return &net.TCPAddr{IP: ip, Port: int(port)}, nil + return &net.TCPAddr{IP: net.IP(ip.AsSlice()), Port: int(port)}, nil } func (l *forwardList) handleChannels(in <-chan NewChannel) { for ch := range in { var ( - laddr net.Addr - raddr net.Addr - err error + addr string + network string + raddr net.Addr + err error ) switch channelType := ch.ChannelType(); channelType { case "forwarded-tcpip": @@ -207,40 +240,34 @@ func (l *forwardList) handleChannels(in <-chan NewChannel) { continue } - // RFC 4254 section 7.2 specifies that incoming - // addresses should list the address, in string - // format. It is implied that this should be an IP - // address, as it would be impossible to connect to it - // otherwise. - laddr, err = parseTCPAddr(payload.Addr, payload.Port) - if err != nil { - ch.Reject(ConnectionFailed, err.Error()) - continue - } + // RFC 4254 section 7.2 specifies that incoming addresses should + // list the address that was connected, in string format. It is the + // same address used in the tcpip-forward request. The originator + // address is an IP address instead. + addr = net.JoinHostPort(payload.Addr, strconv.FormatUint(uint64(payload.Port), 10)) + raddr, err = parseTCPAddr(payload.OriginAddr, payload.OriginPort) if err != nil { ch.Reject(ConnectionFailed, err.Error()) continue } - + network = "tcp" case "forwarded-streamlocal@openssh.com": var payload forwardedStreamLocalPayload if err = Unmarshal(ch.ExtraData(), &payload); err != nil { ch.Reject(ConnectionFailed, "could not parse forwarded-streamlocal@openssh.com payload: "+err.Error()) continue } - laddr = &net.UnixAddr{ - Name: payload.SocketPath, - Net: "unix", - } + addr = payload.SocketPath raddr = &net.UnixAddr{ Name: "@", Net: "unix", } + network = "unix" default: panic(fmt.Errorf("ssh: unknown channel type %s", channelType)) } - if ok := l.forward(laddr, raddr, ch); !ok { + if ok := l.forward(network, addr, raddr, ch); !ok { // Section 7.2, implementations MUST reject spurious incoming // connections. ch.Reject(Prohibited, "no forward for address") @@ -252,11 +279,11 @@ func (l *forwardList) handleChannels(in <-chan NewChannel) { // remove removes the forward entry, and the channel feeding its // listener. -func (l *forwardList) remove(addr net.Addr) { +func (l *forwardList) remove(n, addr string) { l.Lock() defer l.Unlock() for i, f := range l.entries { - if addr.Network() == f.laddr.Network() && addr.String() == f.laddr.String() { + if n == f.network && addr == f.addr { l.entries = append(l.entries[:i], l.entries[i+1:]...) close(f.c) return @@ -274,11 +301,11 @@ func (l *forwardList) closeAll() { l.entries = nil } -func (l *forwardList) forward(laddr, raddr net.Addr, ch NewChannel) bool { +func (l *forwardList) forward(n, addr string, raddr net.Addr, ch NewChannel) bool { l.Lock() defer l.Unlock() for _, f := range l.entries { - if laddr.Network() == f.laddr.Network() && laddr.String() == f.laddr.String() { + if n == f.network && addr == f.addr { f.c <- forward{newCh: ch, raddr: raddr} return true } @@ -288,6 +315,7 @@ func (l *forwardList) forward(laddr, raddr net.Addr, ch NewChannel) bool { type tcpListener struct { laddr *net.TCPAddr + addr string conn *Client in <-chan forward @@ -314,13 +342,21 @@ func (l *tcpListener) Accept() (net.Conn, error) { // Close closes the listener. func (l *tcpListener) Close() error { + host, port, err := net.SplitHostPort(l.addr) + if err != nil { + return err + } + rport, err := strconv.ParseUint(port, 10, 32) + if err != nil { + return err + } m := channelForwardMsg{ - l.laddr.IP.String(), - uint32(l.laddr.Port), + host, + uint32(rport), } // this also closes the listener. - l.conn.forwards.remove(l.laddr) + l.conn.forwards.remove("tcp", l.addr) ok, _, err := l.conn.SendRequest("cancel-tcpip-forward", true, Marshal(&m)) if err == nil && !ok { err = errors.New("ssh: cancel-tcpip-forward failed") diff --git a/vendor/modules.txt b/vendor/modules.txt index f5cc54273e..779f73bdcf 100644 --- a/vendor/modules.txt +++ b/vendor/modules.txt @@ -1553,7 +1553,7 @@ go.uber.org/zap/zapcore # go.yaml.in/yaml/v2 v2.4.3 ## explicit; go 1.15 go.yaml.in/yaml/v2 -# golang.org/x/crypto v0.44.0 +# golang.org/x/crypto v0.45.0 ## explicit; go 1.24.0 golang.org/x/crypto/argon2 golang.org/x/crypto/blake2b