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69 lines
2.7 KiB
Go
69 lines
2.7 KiB
Go
package provisioner
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import (
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sshpolicy "github.com/smallstep/certificates/policy/ssh"
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x509policy "github.com/smallstep/certificates/policy/x509"
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)
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// newX509PolicyEngine creates a new x509 name policy engine
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func newX509PolicyEngine(x509Opts *X509Options) (*x509policy.NamePolicyEngine, error) {
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if x509Opts == nil {
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return nil, nil
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}
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options := []x509policy.NamePolicyOption{}
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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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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.
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x509policy.WithPermittedCIDRs(allowed.IPRanges), // TODO(hs): support IPs in addition to ranges
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x509policy.WithPermittedEmailAddresses(allowed.EmailAddresses),
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x509policy.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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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.
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x509policy.WithExcludedCIDRs(denied.IPRanges), // TODO(hs): support IPs in addition to ranges
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x509policy.WithExcludedEmailAddresses(denied.EmailAddresses),
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x509policy.WithExcludedURIDomains(denied.URIDomains),
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)
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}
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return x509policy.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) (*sshpolicy.NamePolicyEngine, error) {
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if sshOpts == nil {
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return nil, nil
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}
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options := []sshpolicy.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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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.
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sshpolicy.WithPermittedEmailAddresses(allowed.EmailAddresses),
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sshpolicy.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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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.
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sshpolicy.WithExcludedEmailAddresses(denied.EmailAddresses),
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sshpolicy.WithExcludedPrincipals(denied.Principals),
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)
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}
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return sshpolicy.New(options...)
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}
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