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  • Committer: Teddy Hogeborn
  • Date: 2015-07-01 20:01:26 UTC
  • mto: This revision was merged to the branch mainline in revision 759.
  • Revision ID: teddy@recompile.se-20150701200126-qb3f6c3jcas2f4og
mandos-client: Try to start a plugin to add and remove a local route.

* debian/mandos-client.README.Debian: Add setting of environment
                                      variable MANDOSPLUGINHELPERDIR
                                      to command line testing
                                      mandos-client.
* mandos-client.c (raise_privileges): Moved to top of file.
                  (raise_privileges_permanently): - '' -
                  (lower_privileges): - '' -
                  (lower_privileges_permanently): - '' -
  (add_remove_local_route, add_local_route, remove_local_route): New.
  (start_mandos_communication): Set SOCK_CLOEXEC flag on socket.  Run
                                the above functions to add (and
                                remove) local route, if the conditions
                                indicates it could help.
  (run_network_hooks): Use O_DIRECTORY, O_PATH, and O_CLOEXEC flags
                       when opening network hook directory. Do
                       TEMP_FAILURE_RETRY around opening of /dev/null
                       and network hook executables.  Move redirecting
                       of stdout and stderr to as late as possible
                       before fexecve().
  (main): Use O_DIRECTORY and O_PATH when opening temporary directory.
* plugins.d/mandos-client.xml (ENVIRONMENT): Document usage of the
                                             MANDOSPLUGINHELPERDIR
                                             environment variable.

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plugins.d/usplash
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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"