Can't Connect to Open Network

Bug #1752247 reported by Craige McWhirter on 2018-02-28
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
netplan
High
Unassigned
netplan.io (Ubuntu)
High
Unassigned

Bug Description

The man page states:

access-points (mapping)

...

    password (scalar)
        Enable WPA2 authentication and set the passphrase for it. If not given, the network is assumed to be open. Other authentication modes are not currently supported.

If I configure Netplan this way:

  wifis:
    wlp1s0:
      dhcp4: yes
      access-points:
        "My Open Network":

Upon "sudo netplan apply":

Error in network definition //etc/netplan/01-netcfg.yaml line 16 column 28: expected mapping

If I configure Netplan this way:

  wifis:
    wlp1s0:
      dhcp4: yes
      access-points:
        "My Open Network":
          password:

Syslog shows:

Feb 28 16:10:08 dionach systemd[1]: Starting resolvconf-pull-resolved.service...
Feb 28 16:10:08 dionach systemd[1]: Started resolvconf-pull-resolved.service.
Feb 28 16:10:08 dionach kernel: [71993.278797] IPv6: ADDRCONF(NETDEV_UP): wlp1s0: link is not ready
Feb 28 16:10:08 dionach systemd[1]: Starting resolvconf-pull-resolved.service...
Feb 28 16:10:08 dionach systemd[1]: Started WPA supplicant for netplan wlp1s0.
Feb 28 16:10:08 dionach wpa_supplicant[27188]: Successfully initialized wpa_supplicant
Feb 28 16:10:08 dionach systemd[1]: Started resolvconf-pull-resolved.service.
Feb 28 16:10:08 dionach wpa_supplicant[27188]: Line 13: Invalid passphrase length 0 (expected: 8..63) '"'.
Feb 28 16:10:08 dionach wpa_supplicant[27188]: Line 13: failed to parse psk '""'.
Feb 28 16:10:08 dionach wpa_supplicant[27188]: Line 14: failed to parse network block.
Feb 28 16:10:08 dionach wpa_supplicant[27188]: Failed to read or parse configuration '/run/netplan/wpa-wlp1s0.conf'.
Feb 28 16:10:08 dionach systemd[1]: <email address hidden>: Main process exited, code=exited, status=255/n/a
Feb 28 16:10:08 dionach systemd[1]: <email address hidden>: Failed with result 'exit-code'.

Netplan will happily connect to any access-point that has a password.

tags: added: rls-bb-incoming

What about if you pass:

wifis:
    wlp1s0:
      dhcp4: yes
      access-points:
        "My Open Network": {}

This is non-obvious though, we should fix the doc to clarify.

affects: nplan (Ubuntu) → netplan.io (Ubuntu)
Changed in netplan.io (Ubuntu):
status: New → Triaged
Changed in netplan:
status: New → Triaged
importance: Undecided → High
Changed in netplan.io (Ubuntu):
importance: Undecided → High
tags: removed: rls-bb-incoming
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