+def delegate(opts, args):
+ global registry
+ user_cred = get_user_cred()
+ if opts.delegate_user:
+ object_cred = user_cred
+ elif opts.delegate_slice:
+ object_cred = get_slice_cred(opts.delegate_slice)
+ else:
+ print "Must specify either --user or --slice <hrn>"
+ return
+
+ # the gid and hrn of the object we are delegating
+ object_gid = object_cred.get_gid_object()
+ object_hrn = object_gid.get_hrn()
+
+ if not object_cred.get_delegate():
+ print "Error: Object credential", object_hrn, "does not have delegate bit set"
+ return
+
+ records = registry.resolve(user_cred, args[0])
+ records = filter_records("user", records)
+
+ if not records:
+ print "Error: Didn't find a user record for", args[0]
+ return
+
+ # the gid of the user who will be delegated too
+ delegee_gid = records[0].get_gid_object()
+ delegee_hrn = delegee_gid.get_hrn()
+
+ # the key and hrn of the user who will be delegating
+ user_key = Keypair(filename = get_key_file())
+ user_hrn = user_cred.get_gid_caller().get_hrn()
+
+ dcred = Credential(subject=object_hrn + " delegated to " + delegee_hrn)
+ dcred.set_gid_caller(delegee_gid)
+ dcred.set_gid_object(object_gid)
+ dcred.set_privileges(object_cred.get_privileges())
+ dcred.set_delegate(True)
+ dcred.set_pubkey(object_gid.get_pubkey())
+ dcred.set_issuer(user_key, user_hrn)
+ dcred.set_parent(object_cred)
+ dcred.encode()
+ dcred.sign()
+
+ if opts.delegate_user:
+ dest_fn = os.path.join(sfi_dir, get_leaf(delegee_hrn) + "_" + get_leaf(object_hrn) + ".cred")
+ elif opts.delegate_slice:
+ dest_fn = os.path_join(sfi_dir, get_leaf(delegee_hrn) + "_slice_" + get_leaf(object_hrn) + ".cred")
+
+ dcred.save_to_file(dest_fn, save_parents = True)
+
+ print "delegated credential for", object_hrn, "to", delegee_hrn, "and wrote to", dest_fn
+