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Merge pull request #126 from X0rg/request
Improvements for darling script
+67
-21
+67
-21
src/dyld/darling
+67
-21
src/dyld/darling
···
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selfmtime=$(stat -c %Y "$DARLING_PREFIX/bin/darling")
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check_prefix() {
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if [ ! -d "$DPREFIX" -o ! -f "$DPREFIX/.update-timestamp" ]; then
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setup_prefix "$DPREFIX"
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else
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updatets=$(cat $DPREFIX/.update-timestamp)
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if [ "$updatets" != "disable" -a "$updatets" -lt $selfmtime ]; then
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setup_prefix "$DPREFIX"
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fi
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fi
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}
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setup_prefix() {
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prefix_pkg="/tmp/prefix.$$.pkg"
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···
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"${DARLING_PREFIX}/libexec/darling/usr/bin/installer" -pkg "/system-root${pkgpath}" -target /
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rm -rf "$temp"
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}
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is_sudo_allowed() {
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if type -p sudo &> /dev/null; then
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sudo -nl "$@" &> /dev/null && return 0
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fi
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return 1
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}
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launch_with_su() {
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if [ "$(id -u)" == 0 ]; then
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"$@"
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elif is_sudo_allowed; then
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sudo "$@"
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else
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local cmd=$(printf '%q ' "$@")
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su --shell=$BASH --command "$cmd"
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fi
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}
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darling_check() {
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# Returning values:
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# 0: module is loaded, file permissions are good
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# 1: module is loaded, file permissions are wrong
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# 2: module is not loaded
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grep -q darling_mach "/proc/modules"
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if [ $? -eq 0 ]; then
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[ -r "/dev/mach" -a -w "/dev/mach" ] && return 0 || return 1
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else
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return 2
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fi
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}
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darling_load() {
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modprobe darling-mach
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if $(darling_check); then
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>&2 echo "Module is already loaded."
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else
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>&2 echo -n "Loading module... "
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launch_with_su modprobe darling-mach && >&2 echo "Done." || >&2 echo "Fail."
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sleep 1 # Wait for module loading
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launch_with_su chmod a+rw "/dev/mach"
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fi
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}
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darling_unload() {
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rmmod darling-mach
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if $(darling_check); then
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>&2 echo -n "Unloading module... "
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launch_with_su rmmod darling-mach && >&2 echo "Done." || >&2 echo "Fail."
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else
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>&2 echo "Module is not loaded, so it can't be unloaded."
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fi
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}
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if [ $# -eq 0 ]; then
···
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>&2 echo -e "\tdarling shell\t\t\tStart bash shell in prefix"
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#>&2 echo -e "\tdarling hdiutil\t\t\tMount DMG disk images"
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#>&2 echo -e "\tdarling pkgutil\t\t\tInstall PKG packages"
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>&2 echo -e "\tdarling load\t\t\tLoad kernel module"
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>&2 echo -e "\tdarling unload\t\t\tUnload kernel module"
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>&2 echo
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>&2 echo "The prefix is specified by the DPREFIX environment variable."
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>&2 echo "The default DPREFIX is \$HOME/.darling"
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export DPREFIX="$HOME/.darling"
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fi
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if [ ! -d "$DPREFIX" -o ! -f "$DPREFIX/.update-timestamp" ]; then
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setup_prefix "$DPREFIX"
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else
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updatets=$(cat $DPREFIX/.update-timestamp)
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if [ "$updatets" != "disable" -a "$updatets" -lt $selfmtime ]; then
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setup_prefix "$DPREFIX"
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fi
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if ! $(darling_check) && [ "$1" != "load" ] && [ "$1" != "unload" ]; then
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2>&1 echo "Cannot open /dev/mach, running 'darling load'."
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darling_load
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fi
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#dyld_path="${0%darling}dyld"
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case "$1" in
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"shell")
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check_prefix
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if [ $# -gt 1 ]; then
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exec "${dyld_path}" "${DPREFIX}/bin/bash" -c "${*:2}"
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else
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# exit 1
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# ;;
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"load")
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if [ "$(id -u)" != 0 ]; then
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2>&1 "You need to be root for this command."
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exit 1
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fi
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-
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darling_load
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;;
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"unload")
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if [ "$(id -u)" != 0 ]; then
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2>&1 "You need to be root for this command."
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exit 1
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fi
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darling_unload
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;;
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*)
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check_prefix
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exec "${dyld_path}" "$1" "${@:2}"
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;;
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esac