There are plenty of OEM brake linings of all shapes and sizes on Ebay- - - -and lots of rivets. Relining brake shoes has been done for decades without a lot of special equipment- - - - -all it takes is a drill bit, a hammer, a flat-tipped punch, and something to use for an anvil. Even removing bonded linings only takes a torch to heat the shoes and loosen the glue.
Jerry