[Bug 1291105] [NEW] After using spd-say (with pico TTS) with the root account, spd-say stops working for users

[Jean-Philippe Guérard]

Public bug reported:

The command definition (GenericExecuteSynth) in /etc/speech-
dispatcher/modules/pico-generic.conf use a fixed file name for the wave
file ($TMPDIR/pico.wav):

GenericExecuteSynth \
"pico2wave -w $TMPDIR/pico.wav -l $VOICE \'$DATA\' && $PLAY_COMMAND $TMPDIR/pico.wav

If you use spd-say or a speech dispatcher enabled application with root,
it will create the pico.wav file owned by root with restricted
permissions.

If you try to use spd-say with a different user, it will then fail,
failing to access the /tmp/pico.wav file.

A solution would be to create a temporary file per user ID:

GenericExecuteSynth \
"USERID=`id -u` ; pico2wave -w $TMPDIR/pico-$USERID.wav -l $VOICE \'$DATA\' && $PLAY_COMMAND $TMPDIR/pico-$USERID.wav"

** Affects: speech-dispatcher (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: saucy

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https://bugs.launchpad.net/bugs/1291105

Title:
  After using spd-say (with pico TTS) with the root account, spd-say
  stops working for users

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