certificates/authority/provisioner/policy.go

68 lines
2.7 KiB
Go

package provisioner
import (
sshpolicy "github.com/smallstep/certificates/policy/ssh"
x509policy "github.com/smallstep/certificates/policy/x509"
)
// newX509PolicyEngine creates a new x509 name policy engine
func newX509PolicyEngine(x509Opts *X509Options) (*x509policy.NamePolicyEngine, error) {
if x509Opts == nil {
return nil, nil
}
options := []x509policy.NamePolicyOption{}
allowed := x509Opts.GetAllowedNameOptions()
if allowed != nil && allowed.HasNames() {
options = append(options,
x509policy.WithPermittedDNSDomains(allowed.DNSDomains), // TODO(hs): be a bit more lenient w.r.t. the format of domains? I.e. allow "*.localhost" instead of the ".localhost", which is what Name Constraints do.
x509policy.WithPermittedCIDRs(allowed.IPRanges), // TODO(hs): support IPs in addition to ranges
x509policy.WithPermittedEmailAddresses(allowed.EmailAddresses),
x509policy.WithPermittedURIDomains(allowed.URIDomains),
)
}
denied := x509Opts.GetDeniedNameOptions()
if denied != nil && denied.HasNames() {
options = append(options,
x509policy.WithExcludedDNSDomains(denied.DNSDomains), // TODO(hs): be a bit more lenient w.r.t. the format of domains? I.e. allow "*.localhost" instead of the ".localhost", which is what Name Constraints do.
x509policy.WithExcludedCIDRs(denied.IPRanges), // TODO(hs): support IPs in addition to ranges
x509policy.WithExcludedEmailAddresses(denied.EmailAddresses),
x509policy.WithExcludedURIDomains(denied.URIDomains),
)
}
return x509policy.New(options...)
}
// newSSHPolicyEngine creates a new SSH name policy engine
func newSSHPolicyEngine(sshOpts *SSHOptions) (*sshpolicy.NamePolicyEngine, error) {
if sshOpts == nil {
return nil, nil
}
options := []sshpolicy.NamePolicyOption{}
allowed := sshOpts.GetAllowedNameOptions()
if allowed != nil && allowed.HasNames() {
options = append(options,
sshpolicy.WithPermittedDNSDomains(allowed.DNSDomains), // TODO(hs): be a bit more lenient w.r.t. the format of domains? I.e. allow "*.localhost" instead of the ".localhost", which is what Name Constraints do.
sshpolicy.WithPermittedEmailAddresses(allowed.EmailAddresses),
sshpolicy.WithPermittedPrincipals(allowed.Principals),
)
}
denied := sshOpts.GetDeniedNameOptions()
if denied != nil && denied.HasNames() {
options = append(options,
sshpolicy.WithExcludedDNSDomains(denied.DNSDomains), // TODO(hs): be a bit more lenient w.r.t. the format of domains? I.e. allow "*.localhost" instead of the ".localhost", which is what Name Constraints do.
sshpolicy.WithExcludedEmailAddresses(denied.EmailAddresses),
sshpolicy.WithExcludedPrincipals(denied.Principals),
)
}
return sshpolicy.New(options...)
}