+# add a list of groups to existing groups,
+# including all subgroups thereof, recursively.
+# basically this proceduces the transitive hull of the groups in
+# addgroups.
+def addGroups(existingGroups, newGroups, uid):
+ for group in newGroups:
+ # if it's a <group>@host, split it and verify it's on the current host.
+ s = group.split('@', 1)
+ if len(s) == 2 and s[1] != CurrentHost:
+ continue;
+ group = s[0]
+
+ # let's see if we handled this group already
+ if group in existingGroups:
+ continue
+
+ if not GroupIDMap.has_key(group):
+ print "Group", group, "does not exist but", uid, "is in it"
+ continue
+
+ existingGroups.append(group)
+
+ if SubGroupMap.has_key(group):
+ addGroups(existingGroups, SubGroupMap[group], uid)
+