mirror of
https://codeberg.org/KeybadeBlox/JSRF-Decompilation.git
synced 2026-05-22 17:37:20 +03:00
9b9a736d4c
DOS line endings in objects.csv, as one might encounter when cloning on Windows, would break the delinking script by adding an extra \r onto every line. The extra carriage return character is now removed.
95 lines
2.9 KiB
Bash
Executable file
95 lines
2.9 KiB
Bash
Executable file
#!/bin/sh -eu
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# Script to produce delinked object files in decompile/target/ directory from
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# objects.csv and a Ghidra project via boricj's delinker extension
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main() {
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if \
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[ $# -eq 0 ] &&\
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[ -n "${GHIDRA_HOME-}" ] &&\
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[ -n "${JSRFDECOMP_PROJECTPATH-}" ] &&\
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[ -n "${JSRFDECOMP_PROJECTNAME-}" ]
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then
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ghidra_path=$GHIDRA_HOME
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project_path=$JSRFDECOMP_PROJECTPATH
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project_name=$JSRFDECOMP_PROJECTNAME
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elif [ $# -eq 3 ]; then
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ghidra_path=$1
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project_path=$2
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project_name=$3
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else usage
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fi
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printf '=== Delinking object files into ../decompile/target/ ===\n'
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# Read objects.csv line by line (with EOL handling for Windows people)
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CR=$(printf '\r')
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while IFS=$CR read -r line; do
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# Split columns (col 1 in $1, col 2 in $2, etc.)
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set -f; IFS_PREV=$IFS; IFS=,
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set -- $line
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set +f; IFS=$IFS_PREV
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if [ "$2" = true ]; then # If object is marked for extraction
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object_name=$1
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printf '\n--- %s ---\n' "$object_name"
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# Delete object name and delink toggle positional
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# arguments, leaving only address ranges
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shift 2
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# Call Ghidra delinker script
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delink "$ghidra_path" "$project_path" "$project_name" "$*" "$object_name"
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fi
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done < objects.csv
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printf '\nDelinking complete!\n'
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}
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usage() {
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printf '%s\n'\
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'Usage: delink.sh GHIDRA_PATH PROJECT_PATH PROJECT_NAME'\
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' GHIDRA_PATH is the path to your Ghidra installation'\
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' PROJECT_PATH is the path to your JSRF Ghidra project'\
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' PROJECT_NAME is the name of your JSRF Ghidra project'\
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'Alternatively, the environment variables $GHIDRA_HOME, $JSRFDECOMP_PROJECTPATH,'\
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'and $JSRFDECOMP_PROJECTNAME can be set, and the script can be called with no'\
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'arguments.'\
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''\
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'Populates the target/ directory with delinked object files using the address'\
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'ranges given in objects.csv.' >& 2
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exit 2
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}
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delink() {
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# Invoke headless Ghidra with the delinker script to produce an object file
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# $1: Ghidra installation path
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# $2: Ghidra project path
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# $3: Ghidra project name
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# $4: Whitespace-separated address ranges to include in object
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# $5: Output path (inside decompile/target/)
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# Call the right script depending on whether we're on Windows
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# (this seems like the most reliable method I can find for POSIX sh)
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if [ -n "${WINDIR-}" ]; then suffix=.bat
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else suffix=
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fi
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# POSIX compatibility layers for Windows (like in git bash) will
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# interpret arguments like /exporter as filepaths and attempt to
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# convert them to Windows paths, breaking them; this variable disables
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# that
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export MSYS_NO_PATHCONV=1
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"$1/support/analyzeHeadless$suffix" "$2" "$3"\
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-readOnly\
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-process default.xbe\
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-noanalysis\
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-scriptPath ghidra_scripts\
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-preScript MSVC7Mangle.java $4\
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-postScript DelinkProgram.java\
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/exporter 'COFF relocatable object'\
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$(printf "/include-range %s " $4)\
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/export "../decompile/target/$5"
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}
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main "$@"
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