Update golang.org/x/crypto (#19097)
* Update golang.org/x/crypto - Update dependency to include fix for CVE. - See https://groups.google.com/g/golang-announce/c/-cp44ypCT5s/m/wmegxkLiAQAJ?utm_medium=email&utm_source=footer * Fix deprecation notice * Remove workaround - Introduced in https://github.com/go-gitea/gitea/pull/17281 - Fixed in x/crypto: -5d542ad81a- &3147a52a75* Update Kex Algorithms - Use standardized name for curve22519-sha256.9b076918e3- Prefer SHA256 version over SHA1 version.e4b3678e5f
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6 changed files with 6 additions and 62 deletions
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@ -117,7 +117,7 @@ RUN_MODE = ; prod
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;;
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;; For the built-in SSH server, choose the key exchange algorithms to support for SSH connections,
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;; for system SSH this setting has no effect
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;SSH_SERVER_KEY_EXCHANGES = curve25519-sha256@libssh.org, ecdh-sha2-nistp256, ecdh-sha2-nistp384, ecdh-sha2-nistp521, diffie-hellman-group14-sha1
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;SSH_SERVER_KEY_EXCHANGES = curve25519-sha256, ecdh-sha2-nistp256, ecdh-sha2-nistp384, ecdh-sha2-nistp521, diffie-hellman-group14-sha256, diffie-hellman-group14-sha1
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;;
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;; For the built-in SSH server, choose the MACs to support for SSH connections,
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;; for system SSH this setting has no effect
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@ -280,7 +280,7 @@ The following configuration set `Content-Type: application/vnd.android.package-a
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- `SSH_AUTHORIZED_PRINCIPALS_BACKUP`: **false/true**: Enable SSH Authorized Principals Backup when rewriting all keys, default is true if `SSH_AUTHORIZED_PRINCIPALS_ALLOW` is not `off`.
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- `SSH_AUTHORIZED_KEYS_COMMAND_TEMPLATE`: **{{.AppPath}} --config={{.CustomConf}} serv key-{{.Key.ID}}**: Set the template for the command to passed on authorized keys. Possible keys are: AppPath, AppWorkPath, CustomConf, CustomPath, Key - where Key is a `models/asymkey.PublicKey` and the others are strings which are shellquoted.
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- `SSH_SERVER_CIPHERS`: **chacha20-poly1305@openssh.com, aes128-ctr, aes192-ctr, aes256-ctr, aes128-gcm@openssh.com, aes256-gcm@openssh.com**: For the built-in SSH server, choose the ciphers to support for SSH connections, for system SSH this setting has no effect.
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- `SSH_SERVER_KEY_EXCHANGES`: **curve25519-sha256@libssh.org, ecdh-sha2-nistp256, ecdh-sha2-nistp384, ecdh-sha2-nistp521, diffie-hellman-group14-sha1**: For the built-in SSH server, choose the key exchange algorithms to support for SSH connections, for system SSH this setting has no effect.
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- `SSH_SERVER_KEY_EXCHANGES`: **curve25519-sha256, ecdh-sha2-nistp256, ecdh-sha2-nistp384, ecdh-sha2-nistp521, diffie-hellman-group14-sha256, diffie-hellman-group14-sha1**: For the built-in SSH server, choose the key exchange algorithms to support for SSH connections, for system SSH this setting has no effect.
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- `SSH_SERVER_MACS`: **hmac-sha2-256-etm@openssh.com, hmac-sha2-256, hmac-sha1**: For the built-in SSH server, choose the MACs to support for SSH connections, for system SSH this setting has no effect
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- `SSH_SERVER_HOST_KEYS`: **ssh/gitea.rsa, ssh/gogs.rsa**: For the built-in SSH server, choose the keypairs to offer as the host key. The private key should be at `SSH_SERVER_HOST_KEY` and the public `SSH_SERVER_HOST_KEY.pub`. Relative paths are made absolute relative to the `APP_DATA_PATH`. If no key exists a 4096 bit RSA key will be created for you.
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- `SSH_KEY_TEST_PATH`: **/tmp**: Directory to create temporary files in when testing public keys using ssh-keygen, default is the system temporary directory.
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2
go.mod
2
go.mod
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@ -122,7 +122,7 @@ require (
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go.uber.org/atomic v1.9.0 // indirect
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go.uber.org/multierr v1.8.0 // indirect
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go.uber.org/zap v1.21.0 // indirect
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golang.org/x/crypto v0.0.0-20220214200702-86341886e292
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golang.org/x/crypto v0.0.0-20220315160706-3147a52a75dd
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golang.org/x/net v0.0.0-20220225172249-27dd8689420f
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golang.org/x/oauth2 v0.0.0-20220223155221-ee480838109b
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golang.org/x/sys v0.0.0-20220227234510-4e6760a101f9
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4
go.sum
4
go.sum
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@ -1683,8 +1683,8 @@ golang.org/x/crypto v0.0.0-20210817164053-32db794688a5/go.mod h1:GvvjBRRGRdwPK5y
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golang.org/x/crypto v0.0.0-20211108221036-ceb1ce70b4fa/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
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golang.org/x/crypto v0.0.0-20211117183948-ae814b36b871/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
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golang.org/x/crypto v0.0.0-20220112180741-5e0467b6c7ce/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
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golang.org/x/crypto v0.0.0-20220214200702-86341886e292 h1:f+lwQ+GtmgoY+A2YaQxlSOnDjXcQ7ZRLWOHbC6HtRqE=
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golang.org/x/crypto v0.0.0-20220214200702-86341886e292/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
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golang.org/x/crypto v0.0.0-20220315160706-3147a52a75dd h1:XcWmESyNjXJMLahc3mqVQJcgSTDxFxhETVlfk9uGc38=
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golang.org/x/crypto v0.0.0-20220315160706-3147a52a75dd/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
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golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
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golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
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golang.org/x/exp v0.0.0-20190510132918-efd6b22b2522/go.mod h1:ZjyILWgesfNpC6sMxTJOJm9Kp84zZh5NQWvqDGG3Qr8=
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@ -164,7 +164,7 @@ var (
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Domain: "",
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Port: 22,
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ServerCiphers: []string{"chacha20-poly1305@openssh.com", "aes128-ctr", "aes192-ctr", "aes256-ctr", "aes128-gcm@openssh.com", "aes256-gcm@openssh.com"},
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ServerKeyExchanges: []string{"curve25519-sha256@libssh.org", "ecdh-sha2-nistp256", "ecdh-sha2-nistp384", "ecdh-sha2-nistp521", "diffie-hellman-group14-sha1"},
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ServerKeyExchanges: []string{"curve25519-sha256", "ecdh-sha2-nistp256", "ecdh-sha2-nistp384", "ecdh-sha2-nistp521", "diffie-hellman-group14-sha256", "diffie-hellman-group14-sha1"},
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ServerMACs: []string{"hmac-sha2-256-etm@openssh.com", "hmac-sha2-256", "hmac-sha1"},
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KeygenPath: "ssh-keygen",
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MinimumKeySizeCheck: true,
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@ -317,65 +317,9 @@ func Listen(host string, port int, ciphers, keyExchanges, macs []string) {
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}
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}
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// Workaround slightly broken behaviour in x/crypto/ssh/handshake.go:458-463
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//
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// Fundamentally the issue here is that HostKeyAlgos make the incorrect assumption
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// that the PublicKey().Type() matches the signature algorithm.
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//
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// Therefore we need to add duplicates for the RSA with different signing algorithms.
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signers := make([]ssh.Signer, 0, len(srv.HostSigners))
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for _, signer := range srv.HostSigners {
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if signer.PublicKey().Type() == "ssh-rsa" {
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signers = append(signers,
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&wrapSigner{
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Signer: signer,
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algorithm: gossh.SigAlgoRSASHA2512,
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},
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&wrapSigner{
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Signer: signer,
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algorithm: gossh.SigAlgoRSASHA2256,
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},
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)
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}
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signers = append(signers, signer)
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}
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srv.HostSigners = signers
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go listen(&srv)
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}
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// wrapSigner wraps a signer and overrides its public key type with the provided algorithm
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type wrapSigner struct {
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ssh.Signer
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algorithm string
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}
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// PublicKey returns an associated PublicKey instance.
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func (s *wrapSigner) PublicKey() gossh.PublicKey {
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return &wrapPublicKey{
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PublicKey: s.Signer.PublicKey(),
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algorithm: s.algorithm,
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}
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}
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// Sign returns raw signature for the given data. This method
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// will apply the hash specified for the keytype to the data using
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// the algorithm assigned for this key
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func (s *wrapSigner) Sign(rand io.Reader, data []byte) (*gossh.Signature, error) {
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return s.Signer.(gossh.AlgorithmSigner).SignWithAlgorithm(rand, data, s.algorithm)
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}
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// wrapPublicKey wraps a PublicKey and overrides its type
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type wrapPublicKey struct {
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gossh.PublicKey
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algorithm string
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}
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// Type returns the algorithm
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func (k *wrapPublicKey) Type() string {
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return k.algorithm
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}
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// GenKeyPair make a pair of public and private keys for SSH access.
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// Public key is encoded in the format for inclusion in an OpenSSH authorized_keys file.
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// Private Key generated is PEM encoded
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