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path: root/vendor/golang.org/x/crypto/ssh/handshake.go
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Diffstat (limited to 'vendor/golang.org/x/crypto/ssh/handshake.go')
-rw-r--r--vendor/golang.org/x/crypto/ssh/handshake.go7
1 files changed, 7 insertions, 0 deletions
diff --git a/vendor/golang.org/x/crypto/ssh/handshake.go b/vendor/golang.org/x/crypto/ssh/handshake.go
index 70a7369ff..49bbba769 100644
--- a/vendor/golang.org/x/crypto/ssh/handshake.go
+++ b/vendor/golang.org/x/crypto/ssh/handshake.go
@@ -11,6 +11,7 @@ import (
"io"
"log"
"net"
+ "strings"
"sync"
)
@@ -50,6 +51,10 @@ type handshakeTransport struct {
// connection.
hostKeys []Signer
+ // publicKeyAuthAlgorithms is non-empty if we are the server. In that case,
+ // it contains the supported client public key authentication algorithms.
+ publicKeyAuthAlgorithms []string
+
// hostKeyAlgorithms is non-empty if we are the client. In that case,
// we accept these key types from the server as host key.
hostKeyAlgorithms []string
@@ -141,6 +146,7 @@ func newClientTransport(conn keyingTransport, clientVersion, serverVersion []byt
func newServerTransport(conn keyingTransport, clientVersion, serverVersion []byte, config *ServerConfig) *handshakeTransport {
t := newHandshakeTransport(conn, &config.Config, clientVersion, serverVersion)
t.hostKeys = config.hostKeys
+ t.publicKeyAuthAlgorithms = config.PublicKeyAuthAlgorithms
go t.readLoop()
go t.kexLoop()
return t
@@ -649,6 +655,7 @@ func (t *handshakeTransport) enterKeyExchange(otherInitPacket []byte) error {
// message with the server-sig-algs extension if the client supports it. See
// RFC 8308, Sections 2.4 and 3.1, and [PROTOCOL], Section 1.9.
if !isClient && firstKeyExchange && contains(clientInit.KexAlgos, "ext-info-c") {
+ supportedPubKeyAuthAlgosList := strings.Join(t.publicKeyAuthAlgorithms, ",")
extInfo := &extInfoMsg{
NumExtensions: 2,
Payload: make([]byte, 0, 4+15+4+len(supportedPubKeyAuthAlgosList)+4+16+4+1),