<html dir="ltr"> <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <style type="text/css" id="owaParaStyle">  P {margin-top:0;margin-bottom:0;}</style> </head> <body fpstyle="1" ocsi="0"> <div style="direction: ltr;font-family: Tahoma;color: #000000;font-size: 10pt;">After more tests, the following works fine on Fedora-28, but not on CentOS-7.<br> SSHPASS="$(plymouth ask-for-password --prompt 'Please, enter password:')"<br> <br> I'll try to identify where is the problem and maybe file a bug against plymouth.<br> 1st strace indicates that I hit:<br> ply-boot-server.c:ply_boot_connection_send_answer():285:ply_trace ("could not finish writing answer: %m");<br> While plymouthd server was able to get the password.<br> It seems unable to give it back to the plymouth command.<br> <br> Cheers,<br> <div><br> <div style="font-family:Tahoma; font-size:13px"> <div style="font-family:Tahoma; font-size:13px"> <div style="font-family:Tahoma; font-size:13px"> <div style="font-family:Tahoma; font-size:13px"><font face="Tahoma">-- <br> Olivier LAHAYE<br> CEA DRT/LIST/DIR</font><br> </div> </div> </div> </div> </div> <div style="font-family: Times New Roman; color: #000000; font-size: 16px"> <hr tabindex="-1"> <div id="divRpF140968" style="direction: ltr;"><font size="2" face="Tahoma" color="#000000"><b>De :</b> plymouth [plymouth-bounces@lists.freedesktop.org] de la part de LAHAYE Olivier<br> <b>Envoyé :</b> mardi 3 juillet 2018 18:22<br> <b>À :</b> plymouth@lists.freedesktop.org<br> <b>Objet :</b> [PROVENANCE INTERNET] Plymouth password handling.<br> </font><br> </div> <div></div> <div> <div style="direction:ltr; font-family:Tahoma; color:#000000; font-size:10pt"> <div><br> </div> <div>Hi,</div> <div><br> </div> <div>I've written a complex them to handle systemimager imaging process.</div> <div>Everythings works perfectly and I can even image a system and finish boot without rebooting.</div> <div><br> </div> <div>I'm now in the process og having deployemnt onver an ssh tunnel.</div> <div>My dracut module is able to handle local ssh keys, retreive a public key using curl or rsync, but a more simple way would be to ask for ssh password.</div> <div><br> </div> <div>I'm testing on CentOS-7 latest update.</div> <div><br> </div> <div>My theme (script) works fin asking for a password, but I'm totally unable to retreive it or use it.</div> <div><br> </div> <div>I've tried 3 aproaches.</div> <div>1/ without using the --command => unable to retreive the password from standard input.<br> </div> <div>SSHPASS="$(plymouth ask-for-password --prompt 'Please, enter password:')" sshpass -e ssh oscar-server 'hostname' > /tmp/result</div> <div>=> Doesn't work. $SSHPASS is empty. <br> </div> <div><br> </div> <div>plymouth ask-for-password --prompt 'Please, enter password:' > /tmp/password</div> <div>=> creates an empty password.</div> <div><br> </div> <div>2/ using the --command => I must type the password twice???!!!</div> <div>plymouth ask-for-password --prompt "Please, enter password:" --command "ssh my-server 'hostname'" --number-of-tries=3 > /tmp/result<br> </div> <div>=> 1st time I tiype password: the password dialog close when I hit enter. Then I type blindly and it works :-/</div> <div>In text mode, I see the plymouth password prompt, I type the password, hit enter and then I get the ssh password propt, I reenter password and it works.</div> <div><br> </div> <div>3/ using systemd-ask-password => doesn't display password dialog under plymouth and not available on centos-6...</div> <div>SSHPASS="$(systemd-ask-password 'SSH password')" sshpass -e ssh oscar-server 'hostname' > /tmp/result</div> <div> => Works in text mode. In GUI mode, no password dialog appears.</div> <div>=> Not available on centos-6 (that I have to support as it's still maintained).</div> <div><br> </div> <div>Any advise or help would be greatly apreciated.</div> <div><br> </div> <div>github theme source:</div> <div><a href="https://github.com/finley/SystemImager/tree/initrd-from-imageserver-and-dont-package-initrd/lib/dracut/modules.d/51systemimager/plymouth_theme" target="_blank" rel="noopener noreferrer">https://github.com/finley/SystemImager/tree/initrd-from-imageserver-and-dont-package-initrd/lib/dracut/modules.d/51systemimager/plymouth_theme</a></div> <div><br> </div> <div>Inside this directory, my plymouth_test.sh script.</div> <div><br> </div> <div> <div style="font-family:Tahoma; font-size:13px"> <div style="font-family:Tahoma; font-size:13px"> <div style="font-family:Tahoma; font-size:13px"> <div style="font-family:Tahoma; font-size:13px"><font face="Tahoma">-- <br> Olivier LAHAYE<br> CEA DRT/LIST/DIR</font><br> </div> </div> </div> </div> </div> </div> </div> </div> </div> </body> </html>