[Bug 1077748] Re: If wpa_supplicant's wpa-psk option is not quoted in /etc/network/interfaces, it is silently accepted, parsed incorrectly and fails to authenticate

[Ryan C. Underwood]

Here is the Gentoo thread in which I located the solution by sheer
chance:

http://forums.gentoo.org/viewtopic-t-851897-start-0.html

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https://bugs.launchpad.net/bugs/1077748

Title:
  If wpa_supplicant's wpa-psk option is not quoted in
  /etc/network/interfaces, it is silently accepted, parsed incorrectly
  and fails to authenticate

Status in “ifupdown” package in Ubuntu:
  New

Bug description:
  iface wlan0 inet dhcp
          wpa-ssid "myessid"
          wpa-psk "......"

  works.

  This does not work:

  iface wlan0 inet dhcp
          wpa-ssid myessid
          wpa-psk ......

  The failure is silent and can only be detected by entering wpa_cli and
  observing the "4-way handshake failed" messages.  If it is impossible
  to accept a wpa-psk that is not quoted, it should fail loudly in this
  case.

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