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[initramfs] Configure mkinitramfs to be safe

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SEE #1191
This commit is contained in:
Adriaan de Groot 2019-07-05 11:43:40 +02:00
parent b697461497
commit 43eb664e7d
1 changed files with 11 additions and 0 deletions
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11
src/modules/initramfs/InitramfsJob.cpp
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@ -44,6 +44,17 @@ InitramfsJob::exec()
CalamaresUtils::UMask m( CalamaresUtils::UMask::Safe );
cDebug() << "Updating initramfs with kernel" << m_kernel;
// First make sure we generate a safe initramfs with suitable permissions.
static const char confFile[] = "/etc/initramfs-tools/conf.d/calamares-safe-initramfs.conf";
static const char contents[] = "UMASK=0077\n";
if ( CalamaresUtils::System::instance()->createTargetFile( confFile, QByteArray( contents ) ).isEmpty() )
{
cWarning() << Logger::SubEntry << "Could not configure safe UMASK for initramfs.";
// But continue anyway.
}
// And then do the ACTUAL work.
auto r = CalamaresUtils::System::instance()->targetEnvCommand(
{ "update-initramfs", "-k", m_kernel, "-c", "-t" }, QString(), QString(), 0 );
return r.explainProcess( "update-initramfs", 10 );