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stitch.slang
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stitch.slang
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import("../geni_fine.slang").
//
//Users
//We may just link the tag set in user" subject set
//
defenv RpkiRoot() :- "FcHzu-wG1BEHYBljyKf-4l9H3mFqsD2IOObzrhq2KcE".
defcon makeTagSet(?Tag) :-
spec("Construct the identity set for a tag"),
{
label("tags/$Tag($Version)").
}.
defpost postTagSet(?Tag) :- [makeTagSet(?Tag)].
defcon makeTagSubjectSet() :-
spec("Construct the identity set for a all tags"),
{
label("tags($Version)").
}.
defpost postMakeTagSubjectSet() :- [makeTagSubjectSet()].
defcon addTokenToTagSet(?Token, ?Tag) :-
spec("Add a link to a tag's ID set. Invoked after delegation to this tag"),
{
link($Token).
label("tags/$Tag($Version)").
}.
defcon addTokenToTagSubjectSet(?Token) :-
spec("Add a link to a tag's ID set. Invoked after delegation to this tag"),
{
link($Token).
label("tags($Version)").
}.
defpost updateTagSet(?Token, ?Tag) :- [addTokenToTagSet(?Token, ?Tag), addTokenToTagSubjectSet(?Token)].
//
//PA
//
defcon linkTagSetToProject(?ProjectId, ?TagSetRef) :-
spec("link the project set to the tag set"),
{
link($TagSetRef).
label("project/$ProjectId($Version)").
}.
defpost postLinkTagSetToProject(?ProjectId, ?TagSetRef) :- [linkTagSetToProject(?ProjectId, ?TagSetRef)].
//
//SA
//
defcon linkTagSetToSlice(?SliceId, ?TagSetRef) :-
spec("link the slice set to the tag set"),
{
link($TagSetRef).
label("slice/$SliceId($Version)").
}.
defpost postLinkTagSetToSlice(?SliceId, ?TagSetRef) :- [linkTagSetToSlice(?SliceId, ?TagSetRef)].
//Object tag set
//link the sets for tag assignemnts
//An object coudld be a slice or a project
defcon createObjectTagSet(?ObjectId, ?Tag) :-
spec("tag set for an object"),
{
label("objectTags/$ObjectId/$Tag($Version)").
}.
defpost postObjectTagSet(?ObjectId, ?Tag) :- [createObjectTagSet(?ObjectId, ?Tag)].
defcon updateObjectTagSet(?ObjectId, ?Tag, ?Token) :-
{
link($Token).
label("objectTags/$ObjectId/$Tag($Version)").
}.
defpost postUpdateObjectTagSet(?ObjectId, ?Tag, ?Token) :- [updateObjectTagSet(?ObjectId, ?Tag, ?Token)].
//
// Tag Authority
defcon grantTagPriv(?User, ?Tag, ?Delegatable) :-
spec("Delegate access for a tag to a user"),
?TagRef := label("tags/?Tag($Version)"),
{
grantTagPriv($Tag, $User, $Delegatable).
link($TagRef).
label("grantTagPriv/$Tag/$User($Version)").
(* this link should be saved in the subject set of ?User *)
}.
defpost postGrantTagPriv(?User, ?Tag, ?Delegatable) :- [grantTagPriv(?User, ?Tag, ?Delegatable)].
//The object could be a slice or a project
defcon grantTag(?Object, ?Tag) :-
?TagRef := label("tags/?Tag($Version)"),
{
assignTag($Object, $Tag).
link($TagRef).
label("grantTag/$Object($Version)").
}.
defpost postAssignTag(?Object, ?Tag) :- [grantTag(?Object, ?Tag)].
//
//SDX
//
defcon aclEntrySet() :-
{
label("aclEntry($Version)").
}.
defpost postAclEntrySet() :- [aclEntrySet()].
defcon userAclEntry(?User) :-
spec("SDX user access control list"),
{
userAclEntry($User).
label("userAclEntry($Version)").
}.
defpost postUserAclEntry(?User):- [userAclEntry(?User)].
defcon userTagAclEntry(?Tag) :-
spec("SDX user access control list"),
{
userTagAclEntry($Tag).
label("userTagAclEntry($Version)").
}.
defpost postUserTagAclEntry(?Tag) :- [userTagAclEntry(?Tag)].
defcon sliceTagAclEntry(?Tag):-
spec("acl set for project attributes"),
{
sliceTagAclEntry($Tag).
label("sliceTagAclEntry($Version)").
}.
defpost postSliceTagAclEntry(?Tag) :- [sliceTagAclEntry(?Tag)].
defcon tagAclEntry(?Tag):-
spec("acl set for project attributes"),
{
projectTagAclEntry($Tag).
label("projectTagAclEntry($Version)").
}.
defpost postTagAclEntry(?Tag) :- [tagAclEntry(?Tag)].
defcon projectIDAcl(?PID) :-
spec("project authority acl"),
{
projectIDAclEntry($PID).
label("projectIDAclEntry($Version)").
}.
defpost postProjectIDAcl(?PID) :-[projectIDAcl(?PID)].
defcon ownPrefixPolicy():-
{
ownPrefix(?Prcpl,?Prefix):-
$RpkiRoot: allocate(?Prcpl,?Prefix).
ownPrefix(?Prcpl,?Prefix):-
?UpStream: allocate(?Prcpl,?Prefix),
ownPrefix(?UpStream,?PrefixSet),
?Prefix <: ?PrefixSet.
label("own prefix policy($PolicyVersion)").
}.
definit ownPrefixPolicy().
defpost postOwnPrefixPolicy() :- [ownPrefixPolicy()].
defcon ipAllocate(?Prcpl,?Prefix,?DlgPrefix) :-
?IPSetToken := label("Token for IP allocation/?DlgPrefix($Version)"),
{
link($IPSetToken).
allocate($Prcpl,$Prefix).
label("IP allocation/$Prcpl($Version)").
}.
defpost postIPAllocate(?Prcpl,?Prefix,?DlgPrefix) :-[ipAllocate(?Prcpl,?Prefix,?DlgPrefix)].
defcon makeIPTokenSet(?DlgPrefix) :-
{
label("Token for IP allocation/$DlgPrefix($Version)").
}.
defpost postMakeIPTokenSet(?DlgPrefix):- [makeIPTokenSet(?DlgPrefix)].
defcon addDlgToken(?Token,?Prefix):-
spec("link a token for allocated IP range"),
{
link($Token).
label("Token for IP allocation/$Prefix($Version)").
}.
defpost postDlgToken(?Token,?Prefix) :- [addDlgToken(?Token,?Prefix)].
//
//SDX
//
defcon connectivityPolicy() :-
spec("SDX policies for network connection between customers"),
{
authZByUserAttr(?Alice, ?Bob, ?IPa, ?IPb):-
ownPrefix(?Alice, ?IPa),
ownPrefix(?Bob, ?IPb),
?Alice: allowConnectionByUserAttr(?Bob),
?Bob: allowConnectionByUserAttr(?Alice).
authZByPID(?Alice, ?Bob, ?IPa, ?IPb):-
ownPrefix(?Alice, ?IPa),
ownPrefix(?Bob, ?IPb),
?Alice: allowConnectionByPID(?Bob),
?Bob: allowConnectionByPID(?Alice).
authZByProjectAttr(?Alice, ?Bob, ?IPa, ?IPb):-
ownPrefix(?Alice, ?IPa),
ownPrefix(?Bob, ?IPb),
?Alice: allowConnectionByProjectAttr(?Bob),
?Bob: allowConnectionByProjectAttr(?Alice).
label("sdx-connectivity-policy($PolicyVersion)").
}.
definit connectivityPolicy().
defcon authZPolicy() :-
?PrefixPolicy := label("own prefix policy($PolicyVersion)"),
?ConnectPolicy := label("sdx-connectivity-policy($PolicyVersion)"),
{
link($PrefixPolicy).
link($ConnectPolicy).
label("authZPolicy($PolicyVersion)").
}.
definit authZPolicy().
defcon stitchPolicy() :-
spec("Local Policies on stitching authorization"),
{
////ACL list
approveStitchByUID(?User,?Slice):-
?SA :=rootPrincipal(?Slice),
?SA: controlPrivilege(?User,?Slice,stitch,_),
userAclEntry(?User).
//User Attribute
//TODO move user to the first place, may reorder usertag entry and tag priv
approveStitchByUserAttr(?User,?Slice, ?Tag):-
?SA :=rootPrincipal(?Slice),
?SA: controlPrivilege(?User,?Slice,stitch,_),
userTagAclEntry(?Tag),
tagPrivilege(?Tag,?User).
//Slice with attribute endorsed by third party
approveStitchBySliceAttr(?User, ?Slice, ?Tag):-
?SA :=rootPrincipal(?Slice),
?SA: controlPrivilege(?User,?Slice,stitch,_),
sliceTagAclEntry(?Tag),
tagAccess(?Tag,?Slice).
//slice in a project by an accepted PI
//adapted from the rule for SA to authorize a request to create a slice. with an additional line that check if the User is the owner of the userslice
approveStitchByPID(?User,?Slice):-
?SA :=rootPrincipal(?Slice),
?SA: controlPrivilege(?User,?Slice,stitch,_),
?SA: slice(?Slice,?Proj, standard),
projectIDAclEntry(?Proj).
//project attribute
approveStitchByProjectAttr(?User,?Slice, ?Tag):-
?SA :=rootPrincipal(?Slice),
?SA: controlPrivilege(?User,?Slice,stitch,_),
?SA: slice(?Slice,?Proj, standard),
projectTagAclEntry(?Tag),
tagAccess(?Tag,?Proj).
label("slice stitching policy($PolicyVersion)").
}.
definit stitchPolicy().
defpost postStitchPolicy() :- [stitchPolicy()].
defcon tagPrivilegePolicy() :-
spec("Local policies on the delegation of tag access"),
{
tagPrivilege(?Tag, ?User) :-
tagPrivilege(?Tag, ?User, _).
tagPrivilege(?Tag, ?User, true) :-
?User := rootPrincipal(?Tag).
tagPrivilege(?Tag, ?User, ?Delegatable) :-
?Owner := rootPrincipal(?Tag),
?Owner: grantTagPriv(?Tag, ?User, ?Delegatable).
tagPrivilege(?Tag, ?User, ?Delegatable) :-
?Delegator: grantTagPriv(?Tag, ?User, ?Delegatable),
tagPrivilege(?Tag, ?Delegator, true).
tagAccess(?Tag, ?Object):-
?Delegator: assignTag(?Object, ?Tag),
tagPrivilege(?Tag, ?Delegator).
label("tag-access-policy($PolicyVersion)").
}.
definit tagPrivilegePolicy().
defpost postTagPrivilegePolicy() :- [tagPrivilegePolicy()].
//
//Customer policies
//
defcon customerConnectionPolicy() :-
spec("customer Policies on network connection"),
{
//ACL list with statement
//User Attribute
allowConnectionByUserAttr(?User):-
userTagAclEntry(?Tag),
tagPrivilege(?Tag,?User).
//user in a project by an accepted PI
allowConnectionByPID(?User):-
projectIDAclEntry(?Proj),
?PA:= rootPrincipal(?Proj),
?PA: member(?User, ?Proj).
//User in a project with attribute
//NOTE: projectAth
allowConnectionByProjectAttr(?User):-
projectTagAclEntry(?Tag),
tagAccess(?Tag, ?Proj),
?PA := rootPrincipal(?Proj),
?PA: member(?User, ?Proj).
label("customer-connection-policy($PolicyVersion)").
}.
defpost postCustomerConnectionPolicy() :- [customerConnectionPolicy()].
defcon customerPolicy() :-
spec("Customer link all its policies to a set"),
?PolicySet := label("customer-connection-policy($PolicyVersion)"),
?TagPrivSet := label("tag-access-policy($PolicyVersion)"),
?SubjectSet := label("subject($Self)($Version)"),
{
link($PolicySet).
link($TagPrivSet).
link($SubjectSet).
label("customer-policy($PolicyVersion)").
}.
defpost postCustomerPolicy() :-[customerPolicy()].
//
//This is different from that in geni.slang, since here we use the sets to store attributes assigned to the slice and projec,
//The owner of the sets are the project authority and slice owner.
//TODO: link project tag set here?
//NOTE: use double quotes for label
defguard authorizeStitchByUID(?User, ?Slice, ?Token1, ?Token2):-
spec("authorize stitching request based on user attribute or slice attribute"),
//?StitchPolicyRef := label("slice stitching policy($PolicyVersion)"),
//?AclSet := label("userAclEntry($Version)"),
//?UserCapabilitySet := label(?User, "capability(?Slice)($Version)"),
//?TagAccessPolicySet := label("tag-access-policy($PolicyVersion)"),
{
//link($StitchPolicyRef).
link($BearerRef).
//link($UserCapabilitySet).
//link($AclSet).
//link($TagAccessPolicySet).
link($Token1).
link($Token2).
approveStitchByUID($User, $Slice)?
}.
defguard authorizeStitchByUserAttr(?User, ?Slice,?Tag, ?Token1, ?Token2, ?Token3):-
spec("authorize stitching request based on user attribute or slice attribute"),
//?StitchPolicyRef := label("slice stitching policy($PolicyVersion)"),
//?AclSet := label("userTagAclEntry($Version)"),
?UserTagSet := label(?User, "tags($Version)"),
?UserCapabilitySet := label(?User, "capability(?Slice)($Version)"),
//?TagAccessPolicySet := label("tag-access-policy($PolicyVersion)"),
{
//link($StitchPolicyRef).
//link($BearerRef).
link($UserTagSet).
//link($AclSet).
link($UserCapabilitySet).
link($Token1).
link($Token2).
link($Token3).
//link($TagAccessPolicySet).
approveStitchByUserAttr($User, $Slice, $Tag)?
}.
defguard authorizeStitchBySliceAttr(?User, ?Slice, ?Tag, ?Token1, ?Token2, ?Token3):-
spec("authorize stitching request based on user attribute or slice attribute"),
//?StitchPolicyRef := label("slice stitching policy($PolicyVersion)"),
//?AclSet := label("sliceTagAclEntry($Version)"),
//?UserCapabilitySet := label(?User, "capability(?Slice)($Version)"),
//?TagAccessPolicySet := label("tag-access-policy($PolicyVersion)"),
{
//link($StitchPolicyRef).
link($BearerRef).
//link($UserCapabilitySet).
//link($AclSet).
//link($TagAccessPolicySet).
link($Token1).
link($Token2).
link($Token3).
approveStitchBySliceAttr($User, $Slice, $Tag)?
}.
defguard authorizeStitchByPID(?User, ?Slice, ?Token1, ?Token2, ?Token3):-
spec("authorize stitching request based on user attribute or slice attribute"),
//?StitchPolicyRef := label("slice stitching policy($PolicyVersion)"),
//?AclSet := label("projectIDAclEntry($Version)"),
//?UserCapabilitySet := label(?User, "capability(?Slice)($Version)"),
//?TagAccessPolicySet := label("tag-access-policy($PolicyVersion)"),
{
//link($StitchPolicyRef).
link($BearerRef).
//link($UserCapabilitySet).
//link($AclSet).
//link($TagAccessPolicySet).
link($Token1).
link($Token2).
link($Token3).
approveStitchByPID($User, $Slice)?
}.
defguard authorizeStitchByProjectAttr(?User, ?Slice,?Tag, ?Token1, ?Token2, ?Token3):-
spec("authorize stitching request based on user attribute or slice attribute"),
//?StitchPolicyRef := label("slice stitching policy($PolicyVersion)"),
//?AclSet := label("projectTagAclEntry($Version)"),
?UserCapabilitySet := label(?User, "capability(?Slice)($Version)"),
//?UserSubjectSet := label(?User, "subject(?User)($Version)"),
//?TagAccessPolicySet := label("tag-access-policy($PolicyVersion)"),
{
//link($StitchPolicyRef).
link($BearerRef).
link($Token1).
link($Token2).
link($Token3).
link($UserCapabilitySet).
//link($UserSubjectSet).
//link($AclSet).
//link($TagAccessPolicySet).
approveStitchByProjectAttr($User, $Slice, $Tag)?
}.
defguard authZByPID(?Alice, ?IPa, ?Bob, ?IPb, ?Token1, ?Token2, ?Token3, ?Token4, ?IPTokena, ?IPTokenb, ?AuthZPolicy) :-
spec("authorize network connection between customer Alice and Bob"),
//?AlicePolicyRef := label(?Alice, "customer-policy($PolicyVersion)"),
//?AliceAclRef := label(?Alice, "projectIDAclEntry($Version)"),
//?BobPolicyRef := label(?Bob, "customer-policy($PolicyVersion)"),
//?BobAclRef := label(?Bob, "projectIDAclEntry($Version)"),
//?AuthZPolicy := label("authZPolicy($PolicyVersion)"),
{
//link($AlicePolicyRef).
//link($AliceAclRef).
//link($BobPolicyRef).
//link($BobAclRef).
link($Token1).
link($Token2).
link($Token3).
link($Token4).
link($IPTokena).
link($IPTokenb).
link($AuthZPolicy).
authZByPID($Alice, $Bob, $IPa, $IPb)?
}.
defguard authZByProjectAttr(?Alice, ?IPa, ?Bob, ?IPb, ?Token1,?Token2, ?Token3, ?Token4, ?IPTokena, ?IPTokenb, ?AuthZPolicy) :-
spec("authorize network connection between customer Alice and Bob"),
//?AlicePolicyRef := label(?Alice, "customer-policy($PolicyVersion)"),
//?AliceAclRef := label(?Alice, "projectTagAclEntry($Version)"),
//?BobPolicyRef := label(?Bob, "customer-policy($PolicyVersion)"),
//?BobAclRef := label(?Bob, "projectTagAclEntry($Version)"),
{
//link($AlicePolicyRef).
//link($AliceAclRef).
//link($BobPolicyRef).
//link($BobAclRef).
link($Token1).
link($Token2).
link($Token3).
link($Token4).
link($IPTokena).
link($IPTokenb).
link($AuthZPolicy).
authZByProjectAttr($Alice, $Bob, $IPa, $IPb)?
}.
//TODO: use bearRef to reduce the lines of scripts
defguard authZByUserAttr(?Alice, ?IPa, ?Bob, ?IPb, ?Token1, ?Token2, ?Token3, ?Token4,?IPTokena, ?IPTokenb,?TagSubA, ?TagSubB, ?AuthZPolicy) :-
spec("authorize network connection between customer Alice and Bob"),
//?AlicePolicyRef := label(?Alice, "customer-policy($PolicyVersion)"),
//?AliceAclRef := label(?Alice, "userTagAclEntry($Version)"),
//?BobPolicyRef := label(?Bob, "customer-policy($PolicyVersion)"),
//?BobAclRef := label(?Bob, "userTagAclEntry($Version)"),
//?ConnectPolicy := label("sdx-connectivity-policy($PolicyVersion)"),
//?OwnPrefixPolicySet := label("own prefix policy($PolicyVersion)"),
{
//link($AlicePolicyRef).
//link($AliceAclRef).
//link($BobPolicyRef).
//link($BobAclRef).
link($Token1).
link($Token2).
link($Token3).
link($Token4).
link($IPTokena).
link($IPTokenb).
link($TagSubA).
link($TagSubB).
link($AuthZPolicy).
authZByUserAttr($Alice, $Bob, $IPa, $IPb)?
}.
defguard authorizeOwnPrefix(?User,?Prefix) :-
spec("authorize if user owns prefix"),
?UserSubjectSet := label(?User, "subject(?User)($Version)"),
?OwnPrefixPolicy := label("own prefix policy($PolicyVersion)"),
{
link($UserSubjectSet).
link($OwnPrefixPolicy).
ownPrefix($User, $Prefix)?
}.