docker/buildx
1
0
Fork 0
mirror of https://gitea.com/Lydanne/buildx.git synced 2025-07-09 21:17:09 +08:00
Code Issues Packages Projects Releases 1 Wiki Activity

vendor: update buildkit to master@d5c1d785b042

Browse Source 
Signed-off-by: Justin Chadwell <me@jedevc.com>
This commit is contained in:
Justin Chadwell
2023-10-23 14:34:59 +01:00
parent 7838ade9f3
commit adc839aa40
214 changed files with 10527 additions and 4796 deletions
Download Patch File Download Diff File Expand all files Collapse all files

45
vendor/golang.org/x/crypto/ssh/server.go generated vendored
View File

@ -291,15 +291,6 @@ func (s *connection) serverHandshake(config *ServerConfig) (*Permissions, error)
return perms, err
}
func isAcceptableAlgo(algo string) bool {
switch algo {
case KeyAlgoRSA, KeyAlgoRSASHA256, KeyAlgoRSASHA512, KeyAlgoDSA, KeyAlgoECDSA256, KeyAlgoECDSA384, KeyAlgoECDSA521, KeyAlgoSKECDSA256, KeyAlgoED25519, KeyAlgoSKED25519,
CertAlgoRSAv01, CertAlgoDSAv01, CertAlgoECDSA256v01, CertAlgoECDSA384v01, CertAlgoECDSA521v01, CertAlgoSKECDSA256v01, CertAlgoED25519v01, CertAlgoSKED25519v01:
return true
}
return false
}
func checkSourceAddress(addr net.Addr, sourceAddrs string) error {
if addr == nil {
return errors.New("ssh: no address known for client, but source-address match required")
@ -379,6 +370,25 @@ func gssExchangeToken(gssapiConfig *GSSAPIWithMICConfig, firstToken []byte, s *c
return authErr, perms, nil
}
// isAlgoCompatible checks if the signature format is compatible with the
// selected algorithm taking into account edge cases that occur with old
// clients.
func isAlgoCompatible(algo, sigFormat string) bool {
// Compatibility for old clients.
//
// For certificate authentication with OpenSSH 7.2-7.7 signature format can
// be rsa-sha2-256 or rsa-sha2-512 for the algorithm
// ssh-rsa-cert-v01@openssh.com.
//
// With gpg-agent < 2.2.6 the algorithm can be rsa-sha2-256 or rsa-sha2-512
// for signature format ssh-rsa.
if isRSA(algo) && isRSA(sigFormat) {
return true
}
// Standard case: the underlying algorithm must match the signature format.
return underlyingAlgo(algo) == sigFormat
}
// ServerAuthError represents server authentication errors and is
// sometimes returned by NewServerConn. It appends any authentication
// errors that may occur, and is returned if all of the authentication
@ -514,7 +524,7 @@ userAuthLoop:
return nil, parseError(msgUserAuthRequest)
}
algo := string(algoBytes)
if !isAcceptableAlgo(algo) {
if !contains(supportedPubKeyAuthAlgos, underlyingAlgo(algo)) {
authErr = fmt.Errorf("ssh: algorithm %q not accepted", algo)
break
}
@ -566,17 +576,26 @@ userAuthLoop:
if !ok || len(payload) > 0 {
return nil, parseError(msgUserAuthRequest)
}
// Ensure the declared public key algo is compatible with the
// decoded one. This check will ensure we don't accept e.g.
// ssh-rsa-cert-v01@openssh.com algorithm with ssh-rsa public
// key type. The algorithm and public key type must be
// consistent: both must be certificate algorithms, or neither.
if !contains(algorithmsForKeyFormat(pubKey.Type()), algo) {
authErr = fmt.Errorf("ssh: public key type %q not compatible with selected algorithm %q",
pubKey.Type(), algo)
break
}
// Ensure the public key algo and signature algo
// are supported. Compare the private key
// algorithm name that corresponds to algo with
// sig.Format. This is usually the same, but
// for certs, the names differ.
if !isAcceptableAlgo(sig.Format) {
if !contains(supportedPubKeyAuthAlgos, sig.Format) {
authErr = fmt.Errorf("ssh: algorithm %q not accepted", sig.Format)
break
}
if underlyingAlgo(algo) != sig.Format {
if !isAlgoCompatible(algo, sig.Format) {
authErr = fmt.Errorf("ssh: signature %q not compatible with selected algorithm %q", sig.Format, algo)
break
}