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[libcalamares] Fix file-reading from target system

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readTargetFile was not fully reading files because of an incorrect
EOF check. This could cause /etc/openswap.conf files to be
truncated and hibernation to fail on installed systems.
This commit is contained in:
vt 2022-04-10 19:36:38 -04:00
parent 55dcd831bc
commit 73462d9214
2 changed files with 6 additions and 5 deletions
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2
src/libcalamares/utils/CalamaresUtilsSystem.cpp
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@ -169,7 +169,7 @@ System::readTargetFile( const QString& path ) const
QTextStream in( &f );
QStringList l;
while ( !f.atEnd() )
while ( !in.atEnd() )
{
l << in.readLine();
}

9
src/libcalamares/utils/Tests.cpp
View File

@ -1043,7 +1043,7 @@ file_setup( const QTemporaryDir& tempRoot )
void
LibCalamaresTests::testReadWriteFile()
{
static const QByteArray otherContents( "derp\n" );
static const QByteArray otherContents( "first\nsecond\n" );
QTemporaryDir tempRoot( QDir::tempPath() + QStringLiteral( "/test-job-XXXXXX" ) );
auto* ss = file_setup( tempRoot );
@ -1080,15 +1080,16 @@ LibCalamaresTests::testReadWriteFile()
QFileInfo fi( fullPath.path() );
QVERIFY( fi.exists() );
QVERIFY( fi.isFile() );
QCOMPARE( fi.size(), 5 );
QCOMPARE( fi.size(), 13 );
}
// Now it's been written, we can read it, too
{
auto contents = ss->readTargetFile( "test0" );
QVERIFY( !contents.isEmpty() );
QCOMPARE( contents.count(), 1 );
QCOMPARE( contents[ 0 ], QStringLiteral( "derp" ) ); // No trailing \n
QCOMPARE( contents.count(), 2 );
QCOMPARE( contents[ 0 ], QStringLiteral( "first" ) ); // No trailing \n
QCOMPARE( contents[ 1 ], QStringLiteral( "second" ) ); // No trailing \n
}
}