/usr/share/softhsm/softhsm.conf is in softhsm-common 1.3.5-1ubuntu3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 | # SoftHSM configuration file
#
# Format:
# <Slot ID>:<Path to the token database>
#
# The given paths are just an indication to SoftHSM on where it should
# store the information for each token.
0:/var/lib/lib/softhsm/slot0.db
|