diff options
Diffstat (limited to 'src/pkg/exp/ssh/common.go')
| -rw-r--r-- | src/pkg/exp/ssh/common.go | 96 | 
1 files changed, 0 insertions, 96 deletions
| diff --git a/src/pkg/exp/ssh/common.go b/src/pkg/exp/ssh/common.go deleted file mode 100644 index 698db60b8..000000000 --- a/src/pkg/exp/ssh/common.go +++ /dev/null @@ -1,96 +0,0 @@ -// 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 ssh - -import ( -	"strconv" -) - -// These are string constants in the SSH protocol. -const ( -	kexAlgoDH14SHA1 = "diffie-hellman-group14-sha1" -	hostAlgoRSA     = "ssh-rsa" -	cipherAES128CTR = "aes128-ctr" -	macSHA196       = "hmac-sha1-96" -	compressionNone = "none" -	serviceUserAuth = "ssh-userauth" -	serviceSSH      = "ssh-connection" -) - -// UnexpectedMessageError results when the SSH message that we received didn't -// match what we wanted. -type UnexpectedMessageError struct { -	expected, got uint8 -} - -func (u UnexpectedMessageError) String() string { -	return "ssh: unexpected message type " + strconv.Itoa(int(u.got)) + " (expected " + strconv.Itoa(int(u.expected)) + ")" -} - -// ParseError results from a malformed SSH message. -type ParseError struct { -	msgType uint8 -} - -func (p ParseError) String() string { -	return "ssh: parse error in message type " + strconv.Itoa(int(p.msgType)) -} - -func findCommonAlgorithm(clientAlgos []string, serverAlgos []string) (commonAlgo string, ok bool) { -	for _, clientAlgo := range clientAlgos { -		for _, serverAlgo := range serverAlgos { -			if clientAlgo == serverAlgo { -				return clientAlgo, true -			} -		} -	} - -	return -} - -func findAgreedAlgorithms(clientToServer, serverToClient *transport, clientKexInit, serverKexInit *kexInitMsg) (kexAlgo, hostKeyAlgo string, ok bool) { -	kexAlgo, ok = findCommonAlgorithm(clientKexInit.KexAlgos, serverKexInit.KexAlgos) -	if !ok { -		return -	} - -	hostKeyAlgo, ok = findCommonAlgorithm(clientKexInit.ServerHostKeyAlgos, serverKexInit.ServerHostKeyAlgos) -	if !ok { -		return -	} - -	clientToServer.cipherAlgo, ok = findCommonAlgorithm(clientKexInit.CiphersClientServer, serverKexInit.CiphersClientServer) -	if !ok { -		return -	} - -	serverToClient.cipherAlgo, ok = findCommonAlgorithm(clientKexInit.CiphersServerClient, serverKexInit.CiphersServerClient) -	if !ok { -		return -	} - -	clientToServer.macAlgo, ok = findCommonAlgorithm(clientKexInit.MACsClientServer, serverKexInit.MACsClientServer) -	if !ok { -		return -	} - -	serverToClient.macAlgo, ok = findCommonAlgorithm(clientKexInit.MACsServerClient, serverKexInit.MACsServerClient) -	if !ok { -		return -	} - -	clientToServer.compressionAlgo, ok = findCommonAlgorithm(clientKexInit.CompressionClientServer, serverKexInit.CompressionClientServer) -	if !ok { -		return -	} - -	serverToClient.compressionAlgo, ok = findCommonAlgorithm(clientKexInit.CompressionServerClient, serverKexInit.CompressionServerClient) -	if !ok { -		return -	} - -	ok = true -	return -} | 
