Pic of the other one. Now I have a game plan.
>put the drum back on
>disassemble it to get the cylinder exposed
>remove the drum again
>replace the cylinder because this is the only way to access the bolts
>put the drum back on for the final time with the new cylinder attached
>put the whole mess back together
>replace the hard lines
>reattach the ebrake
>pray to God that I did not screw up