Work around sudo not changing $HOME thus the configuration file ending up in the invoking user $HOME with root permissions, leading to an unwriteable configuration file if running as user.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@20103 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Dominik Riebeling 2009-02-25 21:05:57 +00:00
parent 884dc711b8
commit c96452ac92

View file

@ -21,6 +21,10 @@
#include <QSettings>
#if defined(Q_OS_LINUX)
#include <unistd.h>
#endif
void RbSettings::open()
{
// only use built-in rbutil.ini
@ -28,11 +32,12 @@ void RbSettings::open()
// portable installation:
// check for a configuration file in the program folder.
QFileInfo config;
config.setFile(QCoreApplication::instance()->applicationDirPath() + "/RockboxUtility.ini");
config.setFile(QCoreApplication::instance()->applicationDirPath()
+ "/RockboxUtility.ini");
if(config.isFile())
{
userSettings = new QSettings(QCoreApplication::instance()->applicationDirPath() + "/RockboxUtility.ini",
QSettings::IniFormat, this);
userSettings = new QSettings(QCoreApplication::instance()->applicationDirPath()
+ "/RockboxUtility.ini", QSettings::IniFormat, this);
qDebug() << "config: portable";
}
else
@ -46,6 +51,24 @@ void RbSettings::open()
void RbSettings::sync()
{
userSettings->sync();
#if defined(Q_OS_LINUX)
// when using sudo it runs rbutil with uid 0 but unfortunately without a
// proper login shell, thus the configuration file gets placed in the
// calling users $HOME. This in turn will cause issues if trying to
// run rbutil later as user. Try to detect this case via the environment
// variable SUDO_UID and SUDO_GID and if set chown the user config file.
if(getuid() == 0)
{
char* realuser = getenv("SUDO_UID");
char* realgroup = getenv("SUDO_GID");
if(realuser != NULL && realgroup != NULL)
{
int realuid = atoi(realuser);
int realgid = atoi(realgroup);
chown(qPrintable(userSettings->fileName()), realuid, realgid);
}
}
#endif
}
QVariant RbSettings::deviceSettingCurGet(QString entry,QString def)