build: ipkg-build use fakeroot with PKG_FILE_MODES
The `ipkg-build` script converts a folder into a `opkg` installable package. Until now it would use root:root for all packages and try to preserve file modes. This has the two drawbacks of packages want to add non-root files or add SUID files, like the `sudo` package does. To give more flexibility regarding file modes and avoid init script hacks, a new variable called `PKG_FILE_MODES`. The variable contains a list of files modes in the format `path:owner:group:mode`. An example for the `sudo` package below: ``` PKG_FILE_MODES:=\ /usr/bin/sudo:root:root:4755 \ /etc/sudoers:root:root:0440 ``` The `ipkg-build` now runs within a fakeroot environment to set any mode and directly store it in the resulting `ipk` package archive. Both options `-o` and `-g` are no longer required due to the introduction of the more flexible `-m` options, which takes the `PKG_FILE_MODES` as input. Lastly the option `-c` is removed as it's unused within the script. Signed-off-by: Paul Spooren <mail@aparcar.org>
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@ -9,10 +9,6 @@ ifndef DUMP
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include $(INCLUDE_DIR)/feeds.mk
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endif
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# invoke ipkg-build with some default options
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IPKG_BUILD:= \
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$(SCRIPT_DIR)/ipkg-build -c -o 0 -g 0
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IPKG_REMOVE:= \
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$(SCRIPT_DIR)/ipkg-remove
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@ -262,7 +258,7 @@ $(_endef)
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endif
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$(INSTALL_DIR) $$(PDIR_$(1))
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$(IPKG_BUILD) $$(IDIR_$(1)) $$(PDIR_$(1))
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$(FAKEROOT) $(SCRIPT_DIR)/ipkg-build -m "$(PKG_FILE_MODES)" $$(IDIR_$(1)) $$(PDIR_$(1))
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@[ -f $$(IPKG_$(1)) ]
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$(1)-clean:
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@ -77,23 +77,15 @@ pkg_appears_sane() {
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###
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# ipkg-build "main"
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###
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ogargs=""
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noclean=0
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usage="Usage: $0 [-c] [-C] [-o owner] [-g group] <pkg_directory> [<destination_directory>]"
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while getopts "cg:ho:v" opt; do
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file_modes=""
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usage="Usage: $0 [-v] [-h] [-m] <pkg_directory> [<destination_directory>]"
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while getopts "hvm:" opt; do
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case $opt in
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o ) owner=$OPTARG
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ogargs="--owner=$owner"
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;;
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g ) group=$OPTARG
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ogargs="$ogargs --group=$group"
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;;
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c ) ;;
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C ) noclean=1;;
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v ) echo $version
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exit 0
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;;
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h ) echo $usage >&2 ;;
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m ) file_modes=$OPTARG ;;
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\? ) echo $usage >&2
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esac
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done
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@ -144,21 +136,38 @@ tmp_dir=$dest_dir/IPKG_BUILD.$$
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mkdir $tmp_dir
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echo $CONTROL > $tmp_dir/tarX
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# Preserve permissions (-p) when creating data.tar.gz as non-root user
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( cd $pkg_dir && $TAR $ogargs -X $tmp_dir/tarX --format=gnu --sort=name -cpf - --mtime="$TIMESTAMP" . | $GZIP -n - > $tmp_dir/data.tar.gz )
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cd $pkg_dir
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for file_mode in $file_modes; do
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case $file_mode in
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/*:*:*:*)
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;;
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*)
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echo "ERROR: file modes must use absolute path and contain user:group:mode"
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echo "$file_mode"
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exit 1
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;;
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esac
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path=$(echo "$file_mode" | cut -d ':' -f 1)
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user_group=$(echo "$file_mode" | cut -d ':' -f 2-3)
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mode=$(echo "$file_mode" | cut -d ':' -f 4)
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chown "$user_group" "$pkg_dir/$path"
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chmod "$mode" "$pkg_dir/$path"
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done
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$TAR -X $tmp_dir/tarX --format=gnu --sort=name -cpf - --mtime="$TIMESTAMP" . | $GZIP -n - > $tmp_dir/data.tar.gz
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installed_size=`stat -c "%s" $tmp_dir/data.tar.gz`
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sed -i -e "s/^Installed-Size: .*/Installed-Size: $installed_size/" \
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$pkg_dir/$CONTROL/control
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( cd $pkg_dir/$CONTROL && $TAR $ogargs --format=gnu --sort=name -cf - --mtime="$TIMESTAMP" . | $GZIP -n - > $tmp_dir/control.tar.gz )
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( cd $pkg_dir/$CONTROL && $TAR --format=gnu --sort=name -cf - --mtime="$TIMESTAMP" . | $GZIP -n - > $tmp_dir/control.tar.gz )
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rm $tmp_dir/tarX
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echo "2.0" > $tmp_dir/debian-binary
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pkg_file=$dest_dir/${pkg}_${version}_${arch}.ipk
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rm -f $pkg_file
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( cd $tmp_dir && $TAR $ogargs --format=gnu --sort=name -cf - --mtime="$TIMESTAMP" ./debian-binary ./data.tar.gz ./control.tar.gz | $GZIP -n - > $pkg_file )
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( cd $tmp_dir && $TAR --format=gnu --sort=name -cf - --mtime="$TIMESTAMP" ./debian-binary ./data.tar.gz ./control.tar.gz | $GZIP -n - > $pkg_file )
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rm $tmp_dir/debian-binary $tmp_dir/data.tar.gz $tmp_dir/control.tar.gz
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rmdir $tmp_dir
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