[Bug 1301086] Re: cryptdisks_start modifies echo setting of invoking stty

[Michael Terry]

** Branch linked: lp:~darkcharl/ubuntu/trusty/cryptsetup/bug-1301086

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Title:
  cryptdisks_start modifies echo setting of invoking stty

Status in “cryptsetup” package in Ubuntu:
  Triaged
Status in “cryptsetup” package in Debian:
  New

Bug description:
  Calling cryptdisks_start manually will modify the "echo" setting of
  the calling stty.

  root at darkcharl:~# cryptdisks_start terra
   * Starting crypto disk...                                                       * terra (starting)..
  Unlocking the disk /dev/disk/by-uuid/8eefaccb-7488-4cb2-89e0-a67d2106bf17 (terra)
  Enter passphrase:  * terra (started)...                                  [ OK ] 
  root at darkcharl:~# speed 38400 baud; rows 24; columns 80; line = 0;
  intr = ^C; quit = ^\; erase = ^?; kill = ^U; eof = ^D; eol = M-^?; eol2 = M-^?;
  swtch = M-^?; start = ^Q; stop = ^S; susp = ^Z; rprnt = ^R; werase = ^W;
  lnext = ^V; flush = ^O; min = 1; time = 0;
  -parenb -parodd cs8 hupcl -cstopb cread -clocal -crtscts
  -ignbrk brkint -ignpar -parmrk -inpck -istrip -inlcr -igncr icrnl ixon -ixoff
  -iuclc ixany imaxbel iutf8
  opost -olcuc -ocrnl onlcr -onocr -onlret -ofill -ofdel nl0 cr0 tab0 bs0 vt0 ff0
  isig icanon iexten -echo echoe echok -echonl -noflsh -xcase -tostop -echoprt
  echoctl echoke
  root at darkcharl:~# root at darkcharl:~# 
  root at darkcharl:~# 
  root at darkcharl:~# stty -a
  speed 38400 baud; rows 24; columns 80; line = 0;
  intr = ^C; quit = ^\; erase = ^?; kill = ^U; eof = ^D; eol = M-^?; eol2 = M-^?;
  swtch = M-^?; start = ^Q; stop = ^S; susp = ^Z; rprnt = ^R; werase = ^W;
  lnext = ^V; flush = ^O; min = 1; time = 0;
  -parenb -parodd cs8 hupcl -cstopb cread -clocal -crtscts
  -ignbrk brkint -ignpar -parmrk -inpck -istrip -inlcr -igncr icrnl ixon -ixoff
  -iuclc ixany imaxbel iutf8
  opost -olcuc -ocrnl onlcr -onocr -onlret -ofill -ofdel nl0 cr0 tab0 bs0 vt0 ff0
  isig icanon iexten echo echoe echok -echonl -noflsh -xcase -tostop -echoprt
  echoctl echoke
  root at darkcharl:~#

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: cryptsetup 2:1.6.1-1ubuntu1
  ProcVersionSignature: Ubuntu 3.13.0-20.42-generic 3.13.7
  Uname: Linux 3.13.0-20-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.14-0ubuntu1
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Tue Apr  1 20:27:48 2014
  InstallationDate: Installed on 2012-04-27 (704 days ago)
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120423)
  SourcePackage: cryptsetup
  UpgradeStatus: Upgraded to trusty on 2014-03-28 (4 days ago)
  crypttab:
   # <target name>	<source device>		<key file>	<options>
   terra		UUID=8eefaccb-7488-4cb2-89e0-a67d2106bf17	none		luks,noauto
   #storage		UUID=4ad0c783-0825-4d8e-9a1d-2706dce111a9	none		luks,noauto

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