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collector/dmesg: Query systcl kernel.dmesg_restrict

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Query systcl instead of checking CONFIG_SECURITY_DMESG_RESTRICT as that
option only provides a default value for the sysctl parameter.

Fixes https://github.com/ARM-software/devlib/issues/653
This commit is contained in:
Douglas Raillard 2023-10-18 18:37:50 +01:00 committed by Marc Bonnici
parent 18d2a343c7
commit d7d1deedda
1 changed files with 7 additions and 2 deletions
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9
devlib/collector/dmesg.py
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@ -185,8 +185,13 @@ class DmesgCollector(CollectorBase):
self.basic_dmesg = '--force-prefix' not in \
self.target.execute('dmesg -h', check_exit_code=False)
self.facility = facility
self.needs_root = bool(target.config.typed_config.get(
'CONFIG_SECURITY_DMESG_RESTRICT', KernelConfigTristate.NO))
try:
needs_root = target.read_sysctl('kernel.dmesg_restrict')
except ValueError:
needs_root = True
else:
needs_root = bool(int(needs_root))
self.needs_root = needs_root
self._begin_timestamp = None
self.empty_buffer = empty_buffer