69 lines
2.2 KiB
Go
69 lines
2.2 KiB
Go
package provisioner
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import (
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"github.com/smallstep/certificates/policy"
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)
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// newX509PolicyEngine creates a new x509 name policy engine
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func newX509PolicyEngine(x509Opts *X509Options) (policy.X509NamePolicyEngine, error) {
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if x509Opts == nil {
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return nil, nil
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}
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options := []policy.NamePolicyOption{
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policy.WithSubjectCommonNameVerification(), // enable x509 Subject Common Name validation by default
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}
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allowed := x509Opts.GetAllowedNameOptions()
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if allowed != nil && allowed.HasNames() {
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options = append(options,
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policy.WithPermittedDNSDomains(allowed.DNSDomains),
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policy.WithPermittedIPsOrCIDRs(allowed.IPRanges),
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policy.WithPermittedEmailAddresses(allowed.EmailAddresses),
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policy.WithPermittedURIDomains(allowed.URIDomains),
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)
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}
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denied := x509Opts.GetDeniedNameOptions()
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if denied != nil && denied.HasNames() {
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options = append(options,
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policy.WithExcludedDNSDomains(denied.DNSDomains),
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policy.WithExcludedIPsOrCIDRs(denied.IPRanges),
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policy.WithExcludedEmailAddresses(denied.EmailAddresses),
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policy.WithExcludedURIDomains(denied.URIDomains),
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)
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}
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return policy.New(options...)
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}
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// newSSHPolicyEngine creates a new SSH name policy engine
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func newSSHPolicyEngine(sshOpts *SSHOptions) (policy.SSHNamePolicyEngine, error) {
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if sshOpts == nil {
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return nil, nil
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}
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options := []policy.NamePolicyOption{}
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allowed := sshOpts.GetAllowedNameOptions()
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if allowed != nil && allowed.HasNames() {
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options = append(options,
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policy.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.
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policy.WithPermittedEmailAddresses(allowed.EmailAddresses),
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policy.WithPermittedPrincipals(allowed.Principals),
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)
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}
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denied := sshOpts.GetDeniedNameOptions()
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if denied != nil && denied.HasNames() {
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options = append(options,
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policy.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.
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policy.WithExcludedEmailAddresses(denied.EmailAddresses),
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policy.WithExcludedPrincipals(denied.Principals),
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)
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}
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return policy.New(options...)
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}
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