Add an option to automatically verify SSH keys from LDAP (#35927)

This pull request adds an option to automatically verify SSH keys from
LDAP authentication sources.

This allows a correct authentication and verification workflow for
LDAP-enabled organizations; under normal circumstances SSH keys in LDAP
are not managed by users manually.

cmd/admin_auth_ldap.go

@@ -94,6 +94,10 @@ func commonLdapCLIFlags() []cli.Flag {
 			Name:  "public-ssh-key-attribute",
 			Usage: "The attribute of the user’s LDAP record containing the user’s public ssh key.",
 		},
+		&cli.BoolFlag{
+			Name:  "ssh-keys-are-verified",
+			Usage: "Set to true to automatically flag SSH keys in LDAP as verified.",
+		},
 		&cli.BoolFlag{
 			Name:  "skip-local-2fa",
 			Usage: "Set to true to skip local 2fa for users authenticated by this source",
@@ -294,6 +298,9 @@ func parseLdapConfig(c *cli.Command, config *ldap.Source) error {
 	if c.IsSet("public-ssh-key-attribute") {
 		config.AttributeSSHPublicKey = c.String("public-ssh-key-attribute")
 	}
+	if c.IsSet("ssh-keys-are-verified") {
+		config.SSHKeysAreVerified = c.Bool("ssh-keys-are-verified")
+	}
 	if c.IsSet("avatar-attribute") {
 		config.AttributeAvatar = c.String("avatar-attribute")
 	}