On Mon, Apr 20, 2015 at 7:15 AM, Praveen kumar R <[email protected]> wrote: > You mean in the getty-generator.c ? > >
I actually mean your own customer generator. > On Mon, Apr 20, 2015 at 9:14 AM, Andrei Borzenkov <[email protected]> > wrote: >> >> В Mon, 20 Apr 2015 09:09:09 +0530 >> Praveen kumar R <[email protected]> пишет: >> >> > This is the snippet of the code in the systemV init system that controls >> > the serial console login >> > depending on the token >> > >> > TOKENEXIST=`grep "TOKEN=" /proc/cmdline` >> > TOKEN=0 >> > if [ "X$TOKENEXIST" != "X" ]; then >> > #If token is pass as a command line arg, use it. >> > TOKEN=`sed 's/.*TOKEN=//; s/ .*//' /proc/cmdline` >> > fi >> > >> > TOKENOVERRIDE=`grep "TOKENOVERRIDE=" /proc/cmdline` >> > if [ "X$TOKENOVERRIDE" != "X" ]; then >> > #If token is pass as a command line arg, use it. >> > OVERRIDE=`sed 's/.*TOKENOVERRIDE=//; s/ .*//' /proc/cmdline` >> > let "TOKEN = $TOKEN & $OVERRIDE" >> > fi >> > >> > echo "TOKEN = $TOKEN" >> > >> > let "CONSOLE_LOGIN = $TOKEN & 512" >> > if [ $CONSOLE_LOGIN -ne 0 ]; then >> > echo "[`eval $uptime`]: Begin Console Access" >> > /etc/console_login & >> > echo "eCM console is enabled" >> > export ENABLE_ECM_CONSOLE=y >> > else >> > echo "[`eval $uptime`]: Token doesn't allow console access" >> > export ENABLE_ECM_CONSOLE=n >> > fi >> > >> > >> > >> > I am trying to implement the same in the sytemd init system. >> > >> >> The straightforward approach is to put this code in generator that >> parses command line. It can mask standard console service and create >> unit for your console. >> >> > >> > On Sun, Apr 19, 2015 at 11:48 AM, Andrei Borzenkov <[email protected]> >> > wrote: >> > >> > > В Sat, 18 Apr 2015 19:54:50 +0530 >> > > Praveen kumar R <[email protected]> пишет: >> > > >> > > > Yes it's a kernel command line arg, it is board specific token >> > > > introduced >> > > > to control the serial console. >> > > > if defined serial console should not be enabled. >> > > > >> > > >> > > Sorry I do not understand this sentence. "define" what? Please give >> > > exact example of kernel command line and explain what behavior you >> > > expect in this case. >> > > >> > > > we have this in place for other system initializing system - sytemV >> > > > , >> > > where >> > > > depending >> > > > >> > > > On Fri, Apr 17, 2015 at 4:24 PM, Lennart Poettering < >> > > [email protected] >> > > > <javascript:_e(%7B%7D,'cvml','[email protected]');>> wrote: >> > > > >> > > > > On Fri, 17.04.15 15:54, Praveen kumar R ([email protected] >> > > > > <javascript:_e(%7B%7D,'cvml','[email protected]');>) wrote: >> > > > > >> > > > > > I have a token passed on by command line argument on which I >> > > > > > need to >> > > > > decide >> > > > > > to start the serial >> > > > > >> > > > > On which command line? Kernel command line? What kind of "token"? >> > > > > >> > > > > > console or not. I plan to tweak the getty*ttyS0.service and add >> > > > > > the >> > > > > > script which validates the token and starts the console. >> > > > > > >> > > > > > Is this the right approach or is there any better way of >> > > > > > handling it >> > > ?? >> > > > > >> > > > > To get a login getty on the serial port its sufficient to add >> > > > > console=ttyS0... to the kernel cmdline. systemd automatically >> > > > > starts a >> > > > > serial getty automatically on the first terminal the kernel >> > > > > console is >> > > > > pointing to. >> > > > > >> > > > > Lennart >> > > > > >> > > > > -- >> > > > > Lennart Poettering, Red Hat >> > > > > >> > > >> > > >> > _______________________________________________ systemd-devel mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/systemd-devel
