X-Git-Url: https://sipb.mit.edu/gitweb.cgi/ikiwiki.git/blobdiff_plain/bb0193aff3e044e93006ee7ad0aaef1a82adaeee..958468b0883783cebd57086e80ec58f578c82074:/IkiWiki/Wrapper.pm

diff --git a/IkiWiki/Wrapper.pm b/IkiWiki/Wrapper.pm
index 4966c453a..2e4925a1f 100644
--- a/IkiWiki/Wrapper.pm
+++ b/IkiWiki/Wrapper.pm
@@ -19,6 +19,9 @@ sub gen_wrapper () { #{{{
 		error("cannot create a wrapper that uses a setup file");
 	}
 	my $wrapper=possibly_foolish_untaint($config{wrapper});
+	if (! defined $wrapper || ! length $wrapper) {
+		error("wrapper filename not specified");
+	}
 	delete $config{wrapper};
 	
 	my @envsave;
@@ -38,7 +41,7 @@ EOF
 	$configstring=~s/\\/\\\\/g;
 	$configstring=~s/"/\\"/g;
 	
-	open(OUT, ">ikiwiki-wrap.c") || error("failed to write ikiwiki-wrap.c: $!");;
+	open(OUT, ">$wrapper.c") || error("failed to write $wrapper.c: $!");;
 	print OUT <<"EOF";
 /* A wrapper for ikiwiki, can be safely made suid. */
 #define _GNU_SOURCE
@@ -66,10 +69,10 @@ $envsave
 }
 EOF
 	close OUT;
-	if (system("gcc", "ikiwiki-wrap.c", "-o", $wrapper) != 0) {
-		error("failed to compile ikiwiki-wrap.c");
+	if (system("gcc", "$wrapper.c", "-o", $wrapper) != 0) {
+		error("failed to compile $wrapper.c");
 	}
-	unlink("ikiwiki-wrap.c");
+	unlink("$wrapper.c");
 	if (defined $config{wrappermode} &&
 	    ! chmod(oct($config{wrappermode}), $wrapper)) {
 		error("chmod $wrapper: $!");