X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/21add7ffa87a5e622d18bdbb24c638c15bdb3800..97d921ca676d51279b9fdfbaa7501fc8ebf8a027:/IkiWiki/Receive.pm

diff --git a/IkiWiki/Receive.pm b/IkiWiki/Receive.pm
index 37b6f2a62..f985f560b 100644
--- a/IkiWiki/Receive.pm
+++ b/IkiWiki/Receive.pm
@@ -1,5 +1,4 @@
 #!/usr/bin/perl
-
 package IkiWiki::Receive;
 
 use warnings;
@@ -20,13 +19,15 @@ sub trusted () {
 		! grep { $_ eq $user } @{$config{untrusted_committers}};
 }
 
-sub gen_wrapper () {
+sub genwrapper () {
 	# Test for commits from untrusted committers in the wrapper, to
-	# avoid loading ikiwiki at all for trusted commits.
+	# avoid starting ikiwiki proper at all for trusted commits.
 
 	my $ret=<<"EOF";
 	{
 		int u=getuid();
+		/* 3 characters per byte is certainly enough */
+		char uid_string[sizeof(u) * 3 + 1];
 EOF
 	$ret.="\t\tif ( ".
 		join("&&", map {
@@ -36,10 +37,19 @@ EOF
 			}
 			"u != $uid";
 		} @{$config{untrusted_committers}}).
-		") exit(0);\n";
+		") {\n";
+
+	
 	$ret.=<<"EOF";
-		asprintf(&s, "CALLER_UID=%i", u);
-		newenviron[i++]=s;
+			/* Trusted user.
+			 * Consume all stdin before exiting, as git may
+			 * otherwise be unhappy. */
+			char buf[256];
+			while (read(0, &buf, 256) != 0) {}
+			exit(0);
+		}
+		snprintf(uid_string, sizeof(uid_string), "%i", u);
+		addenv("CALLER_UID", uid_string);
 	}
 EOF
 	return $ret;
@@ -47,16 +57,15 @@ EOF
 
 sub test () {
 	exit 0 if trusted();
-	
+
 	IkiWiki::lockwiki();
 	IkiWiki::loadindex();
-	
+
 	# Dummy up a cgi environment to use when calling check_canedit
 	# and friends.
 	eval q{use CGI};
 	error($@) if $@;
 	my $cgi=CGI->new;
-	$ENV{REMOTE_ADDR}='unknown' unless exists $ENV{REMOTE_ADDR};
 
 	# And dummy up a session object.
 	require IkiWiki::CGI;
@@ -72,63 +81,12 @@ sub test () {
 			regdate => time,
 		}) || error("failed adding user");
 	}
-	
-	my %newfiles;
-
-	foreach my $change (IkiWiki::rcs_receive()) {
-		# This untaint is safe because we check file_pruned and
-		# wiki_file_regexp.
-		my ($file)=$change->{file}=~/$config{wiki_file_regexp}/;
-		$file=IkiWiki::possibly_foolish_untaint($file);
-		if (! defined $file || ! length $file ||
-		    IkiWiki::file_pruned($file, $config{srcdir})) {
-			error(gettext("bad file name %s"), $file);
-		}
-
-		my $type=pagetype($file);
-		my $page=pagename($file) if defined $type;
-		
-		if ($change->{action} eq 'add') {
-			$newfiles{$file}=1;
-		}
-
-		if ($change->{action} eq 'change' ||
-		    $change->{action} eq 'add') {
-			if (defined $page) {
-				if (IkiWiki->can("check_canedit")) {
-					IkiWiki::check_canedit($page, $cgi, $session);
-					next;
-				}
-			}
-			else {
-				if (IkiWiki::Plugin::attachment->can("check_canattach")) {
-					IkiWiki::Plugin::attachment::check_canattach($session, $file, $change->{path});
-					next;
-				}
-			}
-		}
-		elsif ($change->{action} eq 'remove') {
-			# check_canremove tests to see if the file is present
-			# on disk. This will fail is a single commit adds a
-			# file and then removes it again. Avoid the problem
-			# by not testing the removal in such pairs of changes.
-			# (The add is still tested, just to make sure that
-			# no data is added to the repo that a web edit
-			# could add.)
-			next if $newfiles{$file};
-
-			if (IkiWiki::Plugin::remove->can("check_canremove")) {
-				IkiWiki::Plugin::remove::check_canremove(defined $page ? $page : $file, $cgi, $session);
-				next;
-			}
-		}
-		else {
-			error "unknown action ".$change->{action};
-		}
-		
-		error sprintf(gettext("you are not allowed to change %s"), $file);
-	}
 
+	IkiWiki::check_canchange(
+		cgi => $cgi,
+		session => $session,
+		changes => [IkiWiki::rcs_receive()]
+	);
 	exit 0;
 }