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  • Committer: Teddy Hogeborn
  • Date: 2015-08-10 07:34:37 UTC
  • Revision ID: teddy@recompile.se-20150810073437-3m8jgt13nqric6vf
Revert change to D-Bus API.

The D-Bus API signal CheckerCompleted is documented to provide a
wait(2) status value.  Since the server switched to using subprocess
to run checkers, it no longer has access to a wait(2) status value.  A
previous change to work around this made the D-Bus API incompatible.
Revert this change by constructing a fake wait(2) status value; this
keeps the D-Bus API stable.

* DBUS-API (CheckerCompleted): Revert incompatible change.
* mandos (ClientDBus.checker_callback): Construct fake wait(2) status.
* mandos-monitor (MandosClientWidget.checker_completed): Revert to
                                                         using
                                                         original API
                                                         with wait(2)
                                                         condition
                                                         value.

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Lines of Context:
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#!/bin/sh -e
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# If not on a tty, then get rid of possibly disrupting stderr output
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if ! tty -s; then
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    exec 2>/dev/null
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fi
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test -x /sbin/usplash
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usplash="`pidof usplash -o $$`"
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test -n "$usplash"
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# We get some variables from cryptsetup:
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# $cryptsource  the device node, like "/dev/sda3"
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# $crypttarget  the device mapper name, like "sda3_crypt".
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prompt="Enter passphrase to unlock"
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if [ -n "$crypttarget" ]; then
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    prompt="$prompt the disk $crypttarget"
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fi
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if [ -n "$cryptsource" ]; then
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    prompt="$prompt ($cryptsource)"
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fi
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splash_input_password(){
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    test -p /dev/.initramfs/usplash_outfifo || return 1
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    /sbin/usplash_write "INPUTQUIET $1" || return 1
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    cat /dev/.initramfs/usplash_outfifo 2> /dev/null || return 1
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}
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# Usplash keeps waiting for input even if some other plugin provided
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# the password, so we must kill it
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trap "kill -TERM $usplash; sleep 2; kill -KILL $usplash; 
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        kill -TERM $$" TERM HUP
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password="`splash_input_password \"$prompt: \" password`"
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trap - TERM
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/sbin/usplash_write "TIMEOUT 15"
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echo -n "$password"