[lokisetup] [PATCH] tmp races in makeself

Ludwig Nussel ludwig.nussel at gmx.de
Tue Sep 7 17:53:57 EDT 2004

Stephane Peter wrote:
> OK I just committed the patch to CVS, with some changes using the date 
> (as well as $RANDOM, can't hurt) for the directory being created. I 
> didn't change the mkdir -p because there are cases when the directory 
> may exist and we shouldn't fail. Namely when the user specifies 
> --target.

Then you did not fix the problem. You made it more unlikely but you
did not fix it. You must not use mkdir -p here. What about this

Index: makeself/makeself-header.sh
RCS file: /cvs/cvsroot/loki_setup/makeself/makeself-header.sh,v
retrieving revision 1.28
diff -u -r1.28 makeself-header.sh
--- makeself/makeself-header.sh	7 Sep 2004 21:05:11 -0000	1.28
+++ makeself/makeself-header.sh	7 Sep 2004 21:51:11 -0000
@@ -301,10 +301,12 @@
     if test "\$keep" = y; then
 	echo "Creating directory \$targetdir" >&2
+	dashp="-p"
+	dashp=""
-    mkdir -p \$tmpdir || {
+    mkdir \$dashp \$tmpdir || {
 	echo 'Cannot create target directory' \$tmpdir >&2
 	echo 'You should try option --target OtherDirectory' >&2
 	eval \$finish


(o_  Ludwig.Nussel at gmx.de
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