Public bug reported:
Hello,
For almost a month I struggle with the following bug/missing feature of the
Ubuntu live cds (100% reproducible for Karmic and Lucid):
- boot from live cd
- create a user with encrypted home:
$ sudo adduser --gecos "" --encrypt-home testuser
- su to the new user
$ su testuser
$ ecryptfs-mount-private
- copy a (any) binary into the home folder of the new user and run it:
$ cd ~
$ cp /bin/ls ./
$ ./ls
ls: Function not implemented
$ echo $?
126
Related to this: trying to list the contents of the encrypted home
folder using "ls -l" prints for every entry within the folder the same
message but no error return code. ($? is 0)
The behaviour holds if home is stored in a casper-rw partition (the case
of a live usb stick based upon grub2 and the iso image of the live cd).
Data within the home folder is preserved between reboots, but changes
become available only after the next reboot. I posted the issue on the
ubuntu developer mail list and linuxquestions.org but for now no
answers.
For what I can tell, it seems that the home folder is not fully
decrypted/fully accessible, but the reason for this alas escapes me.
Any suggestions will be highly appreciated,
Linus
** Affects: ubuntu
Importance: Undecided
Status: New
** Tags: encrypted-home execution live-cd
** Tags added: encrypted-home execution live-cd
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Unable to execute binaries under encrypted home in live cd session
https://bugs.launchpad.net/bugs/600605
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