145 lines
2.5 KiB
Plaintext
145 lines
2.5 KiB
Plaintext
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#!/bin/bash -e
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# Copyright 1999-2015 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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ROOT="/"
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LDSO_CONF="/etc/ld.so.conf"
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if [[ ! -e $LDSO_CONF ]]; then
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echo "$LDSO_CONF not found" >&2
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exit 1
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fi
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LDSO_CONF_DIR=$(dirname $LDSO_CONF)
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VERBOSE=0
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UPDATE_LINKS=1
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get_options() {
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while getopts "vnNXf:C:r:p" opt "$@"; do
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case $opt in
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v)
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echo "ldconfig for musl in Gentoo"
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VERBOSE=1
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;;
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r)
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ROOT=$OPTARG
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;;
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f)
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LDSO_CONF=$OPTARG
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;;
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X)
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UPDATE_LINKS=0
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;;
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\?)
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echo "Invalid option: -$opt" >&2
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exit 1
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;;
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n|N|C|p)
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echo "Unimplemented option: -$opt" >&2
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exit 1
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;;
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esac
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done
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if [[ $UPDATE_LINKS == 1 ]]; then
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echo "Updating links is not implemented."
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fi
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}
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repeated() {
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local l=$1
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local drs="${@:2}"
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for m in $drs; do
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[[ $m == $l ]] && return 0
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done
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return 1
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}
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expand() {
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# We are assuming the ld.so.conf's 'include' is not recursive
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local f line l
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local glob="$LDSO_CONF_DIR/$1"
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local drs="${@:2} "
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for f in $glob; do
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[[ ! -f $f ]] && continue
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while read line; do
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line=${line%%#*}
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line=${line//:/ }
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line=${line//,/ }
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for l in $line; do
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#We must add this whether or not the directory exists
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repeated $l $drs && continue
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drs+=" $l "
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done
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done < $f
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done
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echo $drs
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}
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read_ldso_conf() {
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local drs=" "
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while read line; do
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# Sanitize the line - see ldconfig(8) for delimiters
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# Note: bash read turns tabs into spaces and read already
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# delimits on newlines with the default $IFS
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line=${line%%#*} # Remove comments
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line=${line//:/ } # Change colon delimiter to space
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line=${line//,/ } # Change comma delimiter to space
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next=0
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for l in $line; do
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if [[ $next == 1 ]]; then
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next=0
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drs=$(expand $l $drs)
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elif [[ $l == "include" ]]; then
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next=1
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else
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# glibc's ldconfig silently skips non directories
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if [[ -d $l ]]; then
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repeated $l $drs && continue
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drs+=" $l "
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fi
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fi
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done
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done < $1
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echo $drs
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}
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sanitize() {
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local drs=$@
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repeated "/lib" $drs || drs="/lib $drs"
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repeated "/usr/lib" $drs || drs="/usr/lib $drs"
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echo $drs
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}
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get_options "$@"
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drs=$(read_ldso_conf "$LDSO_CONF")
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drs=$(sanitize $drs)
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ARCH=@@ARCH@@
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LDSO_PATH="/lib/ld-musl-${ARCH}.so.1"
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if [[ ! -e $LDSO_PATH ]]; then
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echo "$LDSO_PATH not found" >&2
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exit 1
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fi
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LDSO_ARCH=$(basename $LDSO_PATH)
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LDSO_NAME=${LDSO_ARCH%.so.1}
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ETC_LDSO_PATH=/etc/${LDSO_NAME}.path
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X=$(mktemp -p /tmp ${LDSO_NAME}.XXXXXX)
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for d in $drs; do
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echo $d >> $X
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done
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chmod 644 $X
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mv $X $ETC_LDSO_PATH
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