Public bug reported:
Binary package hint: cryptsetup
Kubuntu 8.04.1
After setting up encrypted filesystems, cryptdisks-early now prompts me
for the passphrase needed to decrypt the filesystems. BUT, if I type the
passphrase incorrectly, it fails to re-prompt me for the passphrase and
continues with the boot, until it fails because necessary filesystems
aren't available.
According to the man page for /etc/crypttab, it should default to three
retries, but this can be varied in that file. No retries occur whether
or not I have a "tries" argument in /etc/crypttab.
Steps to reproduce:
(all done from root)
run "cryptsetup -y create cryptovar /dev/sda7"
type passphrase twice when prompted
Add the following line to /etc/crypttab
cryptovar /dev/sda7 none timeout=3000,tries=5
this should cause five attempts at the passphrase to be made, with a 3000
second timeout
Add the following line to /etc/fstab
/dev/mapper/cryptovar /var ext3 noatime,nodiratime 0 1
run "mkfs.ext2 /dev/mapper/cryptovar"
Mount /dev/mapper/cryptovar and copy the contents of the current /var
partition into it
Reboot.
System begins to boot and at the appropriate time, prompts for the passphrase.
Type an incorrect passphrase
System should re-prompt for the passphrase, but instead boot continues, but
throws error messages due to lack of a /var partition.
The same problem also occurs if no tries argument is used in
/etc/crypttab, when it should use the default three retries.
Reproducable: every time an incorrect passphrase is supplied.
** Affects: cryptsetup (Ubuntu)
Importance: Undecided
Status: New
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cryptdisks-early fails to re-prompt if passphrase is incorrect
https://bugs.launchpad.net/bugs/260462
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