From cf9f56be9c0ab44e5ae5d5abde01151b33206fc2 Mon Sep 17 00:00:00 2001 From: Harald Hoyer Date: Wed, 2 Oct 2013 12:48:11 +0200 Subject: [PATCH] dracut.sh: bail out early, if destination dir is not writeable --- dracut.sh | 36 +++++++++++++++++++----------------- 1 file changed, 19 insertions(+), 17 deletions(-) diff --git a/dracut.sh b/dracut.sh index b4b3e13..e135dfc 100755 --- a/dracut.sh +++ b/dracut.sh @@ -824,9 +824,25 @@ if [[ -d $srcmods ]]; then } fi -if [[ -f $outfile && ! $force && ! $print_cmdline ]]; then - dfatal "Will not override existing initramfs ($outfile) without --force" - exit 1 +if [[ ! $print_cmdline ]]; then + if [[ -f $outfile && ! $force ]]; then + dfatal "Will not override existing initramfs ($outfile) without --force" + exit 1 + fi + + outdir=${outfile%/*} + [[ $outdir ]] || outdir="/" + + if [[ ! -d "$outdir" ]]; then + dfatal "Can't write to $outdir: Directory $outdir does not exist or is not accessible." + exit 1 + elif [[ ! -w "$outdir" ]]; then + dfatal "No permission to write to $outdir." + exit 1 + elif [[ -f "$outfile" && ! -w "$outfile" ]]; then + dfatal "No permission to write $outfile." + exit 1 + fi fi # Need to be able to have non-root users read stuff (rpcbind etc) @@ -1041,20 +1057,6 @@ if [[ $print_cmdline ]]; then exit 0 fi -outdir=${outfile%/*} -[[ $outdir ]] || outdir="/" - -if [[ ! -d "$outdir" ]]; then - dfatal "Can't write to $outdir: Directory $outdir does not exist or is not accessible." - exit 1 -elif [[ ! -w "$outdir" ]]; then - dfatal "No permission to write to $outdir." - exit 1 -elif [[ -f "$outfile" && ! -w "$outfile" ]]; then - dfatal "No permission to write $outfile." - exit 1 -fi - # Create some directory structure first [[ $prefix ]] && mkdir -m 0755 -p "${initdir}${prefix}"