# $Id$
#
# RelaxNG schema for the up-down protocol, extracted from RFC 6492.
#
# Copyright (c) 2012 IETF Trust and the persons identified as authors
# of the code.  All rights reserved.
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default namespace = "http://www.apnic.net/specs/rescerts/up-down/"

grammar {
   resource_set_as = xsd:string { maxLength="512000" pattern="[\-,0-9]*" }
   resource_set_ip4 = xsd:string { maxLength="512000" pattern="[\-,/.0-9]*" }
   resource_set_ip6 = xsd:string { maxLength="512000" pattern="[\-,/:0-9a-fA-F]*" }

   class_name = xsd:token { minLength="1" maxLength="1024" }
   ski = xsd:token { minLength="27" maxLength="1024" }
   label = xsd:token { minLength="1" maxLength="1024" }
   cert_url = xsd:string { minLength="10" maxLength="4096" }
   base64_binary = xsd:base64Binary { minLength="4" maxLength="512000" }

   start = element message {
     attribute version { xsd:positiveInteger { maxInclusive="1" } },
     attribute sender { label },
     attribute recipient { label },
     payload
   }

   payload |= attribute type { "list" }, list_request
   payload |= attribute type { "list_response"}, list_response
   payload |= attribute type { "issue" }, issue_request
   payload |= attribute type { "issue_response"}, issue_response
   payload |= attribute type { "revoke" }, revoke_request
   payload |= attribute type { "revoke_response"}, revoke_response
   payload |= attribute type { "error_response"}, error_response

   list_request = empty
   list_response = class*

   class = element class {
     attribute class_name { class_name },
     attribute cert_url { cert_url },
     attribute resource_set_as { resource_set_as },
     attribute resource_set_ipv4 { resource_set_ip4 },
     attribute resource_set_ipv6 { resource_set_ip6 },
     attribute resource_set_notafter { xsd:dateTime },
     attribute suggested_sia_head { xsd:anyURI { maxLength="1024" pattern="rsync://.+"} }?,
     element certificate {
       attribute cert_url { cert_url },
       attribute req_resource_set_as { resource_set_as }?,
       attribute req_resource_set_ipv4 { resource_set_ip4 }?,
       attribute req_resource_set_ipv6 { resource_set_ip6 }?,
       base64_binary
     }*,
     element issuer { base64_binary }
   }

   issue_request = element request {
     attribute class_name { class_name },
     attribute req_resource_set_as { resource_set_as }?,
     attribute req_resource_set_ipv4 { resource_set_ip4 }?,
     attribute req_resource_set_ipv6 { resource_set_ip6 }?,
     base64_binary
   }
   issue_response = class

   revoke_request = revocation
   revoke_response = revocation

   revocation = element key {
     attribute class_name { class_name },
     attribute ski { ski }
   }

   error_response =
     element status { xsd:positiveInteger { maxInclusive="9999" } },
     element description { attribute xml:lang { xsd:language }, xsd:string { maxLength="1024" } }*
}

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