X-Git-Url: https://sipb.mit.edu/gitweb.cgi/ikiwiki.git/blobdiff_plain/cb80809aec56e1b6f0194f3d6f778fc8db3c7783..ce029bfe044445d3d1fc10926c2ab6b9305753e0:/IkiWiki/Wrapper.pm

diff --git a/IkiWiki/Wrapper.pm b/IkiWiki/Wrapper.pm
index 6687cace2..90a4c46c7 100644
--- a/IkiWiki/Wrapper.pm
+++ b/IkiWiki/Wrapper.pm
@@ -3,7 +3,7 @@
 use warnings;
 use strict;
 use Cwd q{abs_path};
-use Data::Dumper;
+use Data::Dumper ;
 use IkiWiki;
 
 package IkiWiki;
@@ -36,22 +36,6 @@ sub gen_wrapper () { #{{{
 		addenv("$var", s);
 EOF
 	}
-	if ($config{rcs} eq "svn" && $config{notify}) {
-		# Support running directly as hooks/post-commit by passing
-		# $2 in REV in the environment.
-		$envsave.=<<"EOF"
-	if (argc == 3)
-		addenv("REV", argv[2]);
-	else if ((s=getenv("REV")))
-		addenv("REV", s);
-EOF
-	}
-	if ($config{rcs} eq "tla" && $config{notify}) {
-		$envsave.=<<"EOF"
-	if ((s=getenv("ARCH_VERSION")))
-		addenv("ARCH_VERSION", s);
-EOF
-	}
 	
 	$Data::Dumper::Indent=0; # no newlines
 	my $configstring=Data::Dumper->Dump([\%config], ['*config']);
@@ -91,8 +75,14 @@ $envsave
 	newenviron[i]=NULL;
 	environ=newenviron;
 
-	if (setregid(getegid(), -1) != 0 || setreuid(geteuid(), -1) != 0) {
-		perror("failed to drop real uid/gid");
+	if (setregid(getegid(), -1) != 0 &&
+	    setregid(getegid(), -1) != 0) {
+		perror("failed to drop real gid");
+		exit(1);
+	}
+	if (setreuid(geteuid(), -1) != 0 &&
+	    setreuid(geteuid(), -1) != 0) {
+		perror("failed to drop real uid");
 		exit(1);
 	}
 
@@ -102,7 +92,9 @@ $envsave
 }
 EOF
 	close OUT;
-	if (system("gcc", "$wrapper.c", "-o", "$wrapper.new") != 0) {
+
+	my $cc=exists $ENV{CC} ? possibly_foolish_untaint($ENV{CC}) : 'cc';
+	if (system($cc, "$wrapper.c", "-o", "$wrapper.new") != 0) {
 		#translators: The parameter is a C filename.
 		error(sprintf(gettext("failed to compile %s"), "$wrapper.c"));
 	}