2aef98cb23
Placed here for reference as to what remains to be done. The orig/ subdir is the unmodified tools from anaconda. The scratch/ subdir is a merge of orig in to a working area. I delete blocks of code from there as I rewrite them.
121 lines
3.2 KiB
Bash
Executable File
121 lines
3.2 KiB
Bash
Executable File
#!/bin/bash
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# pulled right out of mkinitrd....
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DSO_DEPS=""
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LDSO=""
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get_dso_deps() {
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root="$1" ; shift
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bin="$1" ; shift
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DSO_DEPS=""
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declare -a FILES
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declare -a NAMES
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# this is a hack, but the only better way requires binutils or elfutils
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# be installed. i.e., we need readelf to find the interpretter.
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if [ -z "$LDSO" ]; then
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for ldso in $root/$LIBDIR/ld*.so* ; do
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[ -L $ldso ] && continue
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[ -x $ldso ] || continue
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$ldso --verify $bin >/dev/null 2>&1 || continue
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LDSO=$(echo $ldso |sed -e "s,$root,,")
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done
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fi
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# I still hate shell.
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declare -i n=0
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while read NAME I0 FILE ADDR I1 ; do
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[ "$FILE" == "not" ] && FILE="$FILE $ADDR"
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NAMES[$n]="$NAME"
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FILES[$n]="$FILE"
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let n++
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done << EOF
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$(/usr/sbin/chroot $root env LD_TRACE_PRELINKING=1 LD_WARN= \
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LD_TRACE_LOADED_OBJECTS=1 $LDSO $bin)
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EOF
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[ ${#FILES[*]} -eq 0 ] && return 1
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# we don't want the name of the binary in the list
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if [ "${FILES[0]}" == "$bin" ]; then
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FILES[0]=""
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NAMES[0]=""
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[ ${#FILES[*]} -eq 1 ] && return 1
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fi
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declare -i n=0
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while [ $n -lt ${#FILES[*]} ]; do
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FILE="${FILES[$n]}"
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if [ "$FILE" == "not found" ]; then
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cat 1>&2 <<EOF
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There are missing files on your system. The dynamic object $bin
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requires ${NAMES[$n]} n order to properly function. mkinitrd cannot continue.
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EOF
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exit 1
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fi
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case "$FILE" in
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/lib*)
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TLIBDIR=`echo "$FILE" | sed 's,\(/lib[^/]*\)/.*$,\1,'`
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BASE=`basename "$FILE"`
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# Prefer nosegneg libs over direct segment accesses on i686.
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if [ -f "$TLIBDIR/i686/nosegneg/$BASE" ]; then
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FILE="$TLIBDIR/i686/nosegneg/$BASE"
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# Otherwise, prefer base libraries rather than their optimized
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# variants.
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elif [ -f "$TLIBDIR/$BASE" ]; then
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FILE="$TLIBDIR/$BASE"
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fi
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;;
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esac
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dynamic="yes"
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let n++
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done
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DSO_DEPS="${FILES[@]}"
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for l in $(/usr/sbin/chroot $root find /$LIBDIR -maxdepth 1 -type l -name ld*.so*); do
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[ "$(/usr/sbin/chroot $root readlink -f $l)" == "$LDSO" ] && DSO_DEPS="$DSO_DEPS $l"
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done
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[ -n "$DEBUG" ] && echo "DSO_DEPS for $bin are $DSO_DEPS"
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}
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instFile() {
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FILE=$1
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DESTROOT=$2
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[ -n "$DEBUG" ] && echo "Installing $FILE"
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if [ -e $DESTROOT/$FILE -o -L $DESTROOT/$FILE ]; then
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return
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elif [ ! -d $DESTROOT/`dirname $FILE` ]; then
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mkdir -p $DESTROOT/`dirname $FILE`
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fi
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if [ -L $FILE ]; then
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cp -al $FILE $DESTROOT/`dirname $FILE`
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instFile ./`dirname $FILE`/`readlink $FILE` $DESTROOT
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return
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else
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cp -aL $FILE $DESTROOT/`dirname $FILE`
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fi
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file $FILE | egrep -q ": (setuid )?ELF" && {
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get_dso_deps $(pwd) "$FILE"
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local DEPS="$DSO_DEPS"
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for x in $DEPS ; do
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instFile ./$x $DESTROOT
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done
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}
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}
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instDir() {
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DIR=$1
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DESTROOT=$2
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[ -n "$DEBUG" ] && echo "Installing $DIR"
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if [ -d $DESTROOT/$DIR -o -h $DESTROOT/$DIR ]; then
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return
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fi
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cp -a --parents $DIR $DESTROOT/
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}
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