One Hat Cyber Team

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Server IP: 13.127.59.50
Server: Linux ip-172-31-46-210 5.15.0-1033-aws #37~20.04.1-Ubuntu SMP Fri Mar 17 11:39:30 UTC 2023 x86_64
Server Software: Apache/2.4.41 (Ubuntu)
PHP Version: 7.4.3-4ubuntu2.29
Buat File | Buat Folder

Dir : ~/snap/core/current/usr/lib/fwupdate/

View File Name : install

#!/bin/sh

DISTRIBUTOR=ubuntu

efi_vars_dir=/sys/firmware/efi/vars
EFI_GLOBAL_VARIABLE=8be4df61-93ca-11d2-aa0d-00e098032b8c
SB="$efi_vars_dir/SecureBoot-$EFI_GLOBAL_VARIABLE/data"

#if we have SB enabled, don't bother to install the unsigned file
if [ -e "$SB" ] && \
   [ "$(( $(printf 0x%x \'"$(cat $SB | cut -b1)") & 1 ))" = 1 ]; then
   SECURE_BOOT="1"
fi

if [ ! -d "$efi_vars_dir" ]; then
  echo "System not running in EFI mode, not installing to EFI system partition."
  exit 0
fi

for BINARY in $(find /usr/lib/fwupdate -name '*.efi' -printf "%f\n"); do
  ESP="/boot/efi/EFI/$DISTRIBUTOR"
  ESP_FILE="$ESP/$BINARY"
  SIGNED_FILE="/usr/lib/fwupdate/$BINARY.signed"
  UNSIGNED_FILE="/usr/lib/fwupdate/$BINARY"

  if [ -f "$ESP_FILE" ]; then
    ESP_MD5=$(md5sum $ESP_FILE | sed 's, .*,,')
  fi

  if [ -f "$SIGNED_FILE" ]; then
    COMPARE=$SIGNED_FILE
  elif [ -z "$SECURE_BOOT" ]; then
    COMPARE=$UNSIGNED_FILE
  fi

  mkdir -p $ESP/fw

  if [ -n "$COMPARE" ]; then
  	COMPARE_MD5=$(md5sum $COMPARE | sed 's, .*,,')
  	if [ "$COMPARE_MD5" != "$ESP_MD5" ]; then
          rm -f $ESP_FILE
          echo "Installing $BINARY to EFI system partition."
          cp $COMPARE $ESP_FILE
  	fi
  else
    echo "Signed binary for $BINARY is not available, not installing binary to EFI system partition."
  fi
done