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aa-unconfined: Improve fallback handling to attr/current

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If /proc/*/attr/apparmor/current exists, only read that - instead of
falling back to /proc/*/attr/current if a process is for example
unconfined so that read_proc_current returns None.

Fixes: https://gitlab.com/apparmor/apparmor/-/issues/199
This commit is contained in:
Christian Boltz 2021-09-18 19:02:56 +02:00
parent 3b6257edea
commit f39d5c7c09
Failed to generate hash of commit
1 changed files with 4 additions and 2 deletions
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6
utils/aa-unconfined
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@ -129,8 +129,10 @@ for pid in sorted(map(int, pids)):
except OSError:
continue
attr = read_proc_current("/proc/%s/attr/apparmor/current" % pid)
if not attr:
if os.path.exists("/proc/%s/attr/apparmor/current" % pid):
attr = read_proc_current("/proc/%s/attr/apparmor/current" % pid)
else:
# fallback to shared attr/current if attr/apparmor/current doesn't exist
attr = read_proc_current("/proc/%s/attr/current" % pid)
pname = None