scripts/sign_images.sh

   1 #!/bin/sh
   2
   3 # directory where search for images
   4 TOP_DIR="${TOP_DIR:-./bin/targets}"
   5 # key to sign images
   6 BUILD_KEY="${BUILD_KEY:-key-build}" # TODO unifiy naming?
   7 # remove other signatures (added e.g.  by buildbot)
   8 REMOVE_OTER_SIGNATURES="${REMOVE_OTER_SIGNATURES:-1}"
   9
  10 # find all sysupgrade images in TOP_DIR
  11 # factory images don't need signatures as non OpenWrt system doen't check them anyway
  12 for image in $(find $TOP_DIR -type f -name "*-sysupgrade.bin"); do
  13         # check if image actually support metadata
  14         if fwtool -i /dev/null "$image"; then
  15                 # remove all previous signatures
  16                 if [ -n "$REMOVE_OTER_SIGNATURES" ]; then
  17                         while [ "$?" = 0 ]; do
  18                                 fwtool -t -s /dev/null "$image"
  19                         done
  20                 fi
  21                 # run same operation as build root does for signing
  22                 cp "$BUILD_KEY.ucert" "$image.ucert"
  23                 usign -S -m "$image" -s "$BUILD_KEY" -x "$image.sig"
  24                 ucert -A -c "$image.ucert" -x "$image.sig"
  25                 fwtool -S "$image.ucert" "$image"
  26         fi
  27 done