osk-sdl-install

#!/bin/bash

build() {
    local mod

    add_module "dm-crypt"
    add_module 'dm-integrity'
    if [[ $CRYPTO_MODULES ]]; then
        for mod in $CRYPTO_MODULES; do
            add_module "$mod"
        done
    else
        add_all_modules "/crypto/"
    fi

    add_binary 'cryptsetup'

    map add_udev_rule \
        '10-dm.rules' \
        '13-dm-disk.rules' \
        '95-dm-notify.rules' \
        '/usr/lib/initcpio/udev/11-dm-initramfs.rules'

    # cryptsetup calls pthread_create(), which dlopen()s libgcc_s.so.1
    add_binary '/usr/lib/libgcc_s.so.1'

    add_binary /usr/bin/osk-sdl
    add_file /etc/osk.conf

    # add DRI drivers so we can have hw accel
    libdir=/usr/lib
    DRI_drivers="vmgfx_dri.so virtio_gpu_dri.so i965_drv_video.so crocus_dri.so iris_dri.so nouveau_dri.so r300_dri.so r600_dri.so radeonsi_dri.so zink_dri.so kms_swrast_dri.so"
    for so in $DRI_drivers; do
      if [ -f "$libdir/dri/$so" ]; then
          add_binary "$libdir/dri/$so"
      fi
    done

    add_binary "$libdir/libGLESv2.so.2"

    find -L "$libdir" -name "libGL*.so*" -o -name "libEGL*.so*" -o -name "libEGL_mesa.so*" -type f | while read -r so; do
       add_binary "$so"
    done

    [ -f /usr/share/glvnd/egl_vendor.d/50_mesa.json ] && add_file /usr/share/glvnd/egl_vendor.d/50_mesa.json

    ttf_font=$(grep "^keyboard-font\s" /etc/osk.conf|cut -f3 -d' ')
    [ -f "$ttf_font" ] && add_file "$ttf_font"

    add_runscript
}

help() {
    cat <<HELPEOF
This hook loads osk-sdl to decrypt the filesystem. Used on touchscreen devices like tablets and phones to provide an on screen keyboard in order to enter in a passphrase for decrypting encrypted systems when an keyboard is not present.

Users should specify the device to be unlocked using 'cryptdevice=device:dmname' on the kernel command line, where 'device' is the path to the raw device, and 'dmname' is the name given to the device after unlocking, and will be available as /dev/mapper/dmname.
HELPEOF
}

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