this bug seems to be still present on ubuntu 13.10 as of today, and it
breaks apt/dpkg when trying to install 'trousers'.
the initscript tries to start tcsd under the 'tss' user:
execve("/sbin/start-stop-daemon", ["start-stop-daemon", "--start", "--
quiet", "--oknodo", "--pidfile", "/var/run/tcsd.pid", "--user", "tss", "
--chuid", "tss", "--exec", "/usr/sbin/tcsd", "--"], [/* 4 vars */]) = 0
but /dev/tpm0 is only accessible by root:
crw------- 1 root root 10, 224 dic 23 10:43 /dev/tpm0
and tcsd fails to start:
open("/dev/tpm0", O_RDWR) = -1 EACCES (Permission denied)
returning error code 137.
after changing /dev/tpm0 ownership to 'tss:tss;, tcsd still fails to start
because of (other) permission problems:
open("/var/lib/tpm/system.data", O_RDWR|O_CREAT, 0600) = -1 EACCES (Permission
denied)
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https://bugs.launchpad.net/bugs/963587
Title:
Trousers fails to set tpm permissions properly.
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