snappy config lacking appropriate input validation for systemd

Bug #1499834 reported by Jamie Strandboge on 2015-09-25
This bug affects 2 people
Affects Status Importance Assigned to Milestone

Bug Description

I set the hostname via snappy config to 'snappy-1504_edge-amd64' then rebooted. On reboot I see the errors in the attached screenshot. I'm guessing the problematic character is '_' even though states that it should be allowed.

Note, I at first changed it to snappy-15.04.edge-amd64, verified /etc/hostname was set, rebooted, and that went fine. I then changed it from snappy-15.04.edge-amd64 to snappy-1504_edge-amd64, verified /etc/hostname was set, rebooted and it failed to boot.

Jamie Strandboge (jdstrand) wrote :
Leo Arias (elopio) on 2016-04-09
Changed in snappy:
status: New → Confirmed
Michael Vogt (mvo) wrote :

The `snap config` command is not yet available but once it will become available again we will need to sanitize this input.

Changed in snappy:
importance: Undecided → High
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