You mean in the *getty-generator.c ?*
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 > > > > > > > > > > > > >
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