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  • Committer: Teddy Hogeborn
  • Date: 2024-11-17 18:43:11 UTC
  • mto: This revision was merged to the branch mainline in revision 412.
  • Revision ID: teddy@recompile.se-20241117184311-ox25kvngy62h209g
Debian package: Avoid suggesting a C compiler unnecessarily

The list of suggested packages, meant to enable the "mandos" program
to find the correct value of SO_BINDTODEVICE by using a C compiler,
are not necessary when Python 3.3 or later is used, since it has the
SO_BINDTODEVICE constant defined in the "socket" module.  Also, Python
2.6 or older has the same constant in the old "IN" module.  Therefore,
we should suggest these Python versions as alternatives to a C
compiler, so that a C compiler is not installed unnecessarily.

debian/control (Package: mandos/Suggests): Add "python3 (>= 3.3)" and
"python (<= 2.6)" as alternatives to "libc6-dev | libc-dev" and
"c-compiler".

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dracut-module/cmdline-mandos.sh
 
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#!/bin/sh
 
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#
 
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# This file should be present in the root file system directory
 
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# /usr/lib/dracut/modules.d/90mandos.  When dracut creates the
 
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# initramfs image, dracut will run the "module-setup.sh" file in the
 
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# same directory, which (when *not* using the "systemd" dracut module)
 
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# will copy this file ("cmdline-mandos.sh") into the initramfs as
 
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# "/lib/dracut/hooks/cmdline/20-cmdline-mandos.sh".
 
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# 
 
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# Despite the above #!/bin/sh line and the executable flag, this file
 
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# is not executed; this file is sourced by the /init script in the
 
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# initramfs image created by dracut.
 
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if getargbool 1 mandos && [ -e /lib/dracut-crypt-lib.sh ]; then
 
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    cat >> /lib/dracut-crypt-lib.sh <<- "EOF"
 
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        ask_for_password(){
 
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            local cmd; local prompt; local tries=3
 
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            local ply_cmd; local ply_prompt; local ply_tries=3
 
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            local tty_cmd; local tty_prompt; local tty_tries=3
 
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            local ret
 
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            while [ $# -gt 0 ]; do
 
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                case "$1" in
 
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                    --cmd) ply_cmd="$2"; tty_cmd="$2"; shift;;
 
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                    --ply-cmd) ply_cmd="$2"; shift;;
 
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                    --tty-cmd) tty_cmd="$2"; shift;;
 
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                    --prompt) ply_prompt="$2"; tty_prompt="$2"; shift;;
 
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                    --ply-prompt) ply_prompt="$2"; shift;;
 
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                    --tty-prompt) tty_prompt="$2"; shift;;
 
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                    --tries) ply_tries="$2"; tty_tries="$2"; shift;;
 
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                    --ply-tries) ply_tries="$2"; shift;;
 
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                    --tty-tries) tty_tries="$2"; shift;;
 
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                    --tty-echo-off) tty_echo_off=yes;;
 
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                    -*) :;;
 
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                esac
 
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                shift
 
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            done
 
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            if [ -z "$ply_cmd" ]; then
 
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                ply_cmd="$tty_cmd"
 
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            fi
 
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            # Extract device and luksname from $ply_cmd
 
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            set -- $ply_cmd
 
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            shift
 
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            for arg in "$@"; do
 
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                case "$arg" in
 
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                    -*) :;;
 
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                    *)
 
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                        if [ -z "$device" ]; then
 
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                            device="$arg"
 
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                        else
 
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                            luksname="$arg"
 
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                            break
 
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                        fi
 
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                        ;;
 
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                esac
 
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            done
 
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            { flock -s 9;
 
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              if [ -z "$ply_prompt" ]; then
 
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                  if [ -z "$tty_prompt" ]; then
 
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                      CRYPTTAB_SOURCE="$device" cryptsource="$device" CRYPTTAB_NAME="$luksname" crypttarget="$luksname" /lib/mandos/plugin-runner --config-file=/etc/mandos/plugin-runner.conf | $ply_cmd
 
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                  else
 
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                      CRYPTTAB_SOURCE="$device" cryptsource="$device" CRYPTTAB_NAME="$luksname" crypttarget="$luksname" /lib/mandos/plugin-runner --options-for=password-prompt:--prompt="${tty_prompt}" --config-file=/etc/mandos/plugin-runner.conf | $ply_cmd
 
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                  fi
 
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              else
 
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                  if [ -z "$tty_prompt" ]; then
 
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                      CRYPTTAB_SOURCE="$device" cryptsource="$device" CRYPTTAB_NAME="$luksname" crypttarget="$luksname" /lib/mandos/plugin-runner --options-for=plymouth:--prompt="${ply_prompt}" --config-file=/etc/mandos/plugin-runner.conf | $ply_cmd
 
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                  else
 
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                      CRYPTTAB_SOURCE="$device" cryptsource="$device" CRYPTTAB_NAME="$luksname" crypttarget="$luksname" /lib/mandos/plugin-runner --options-for=password-prompt:--prompt="${tty_prompt}" --options-for=plymouth:--prompt="${ply_prompt}" --config-file=/etc/mandos/plugin-runner.conf | $ply_cmd
 
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                  fi
 
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              fi
 
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            } 9>/.console_lock
 
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        }
 
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        EOF
 
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fi