X-Git-Url: https://sipb.mit.edu/gitweb.cgi/ikiwiki.git/blobdiff_plain/7ba65e7f4bd53c4cbd865fa35a515ef12c183757..88c6e2891593fd508701d728602515e47284180c:/IkiWiki/CGI.pm

diff --git a/IkiWiki/CGI.pm b/IkiWiki/CGI.pm
index 3fadc462e..866711a71 100644
--- a/IkiWiki/CGI.pm
+++ b/IkiWiki/CGI.pm
@@ -40,7 +40,8 @@ sub showform ($$$$;@) {
 
 sub redirect ($$) {
 	my $q=shift;
-	my $url=shift;
+	eval q{use URI};
+	my $url=URI->new(shift);
 	if (! $config{w3mmode}) {
 		print $q->redirect($url);
 	}
@@ -142,7 +143,12 @@ sub cgi_postsignin ($$) {
 		exit;
 	}
 	else {
-		error(gettext("login failed, perhaps you need to turn on cookies?"));
+		if ($config{sslcookie} && ! $q->https()) {
+			error(gettext("probable misconfiguration: sslcookie is set, but you are attempting to login via http, not https"));
+		}
+		else {
+			error(gettext("login failed, perhaps you need to turn on cookies?"));
+		}
 	}
 }
 
@@ -229,20 +235,52 @@ sub cgi_prefs ($$) {
 	showform($form, $buttons, $session, $q);
 }
 
+sub cgi_custom_failure ($$$) {
+	my $q=shift;
+	my $httpstatus=shift;
+	my $message=shift;
+
+	print $q->header(
+		-status => $httpstatus,
+		-charset => 'utf-8',
+	);
+	print $message;
+
+	# Internet Explod^Hrer won't show custom 404 responses
+	# unless they're >= 512 bytes
+	print ' ' x 512;
+
+	exit;
+}
+
 sub check_banned ($$) {
 	my $q=shift;
 	my $session=shift;
 
+	my $banned=0;
 	my $name=$session->param("name");
-	if (defined $name) {
-		if (grep { $name eq $_ } @{$config{banned_users}}) {
-			print $q->header(-status => "403 Forbidden");
-			$session->delete();
-			print gettext("You are banned.");
-			cgi_savesession($session);
-			exit;
+	if (defined $name && 
+	    grep { $name eq $_ } @{$config{banned_users}}) {
+		$banned=1;
+	}
+
+	foreach my $b (@{$config{banned_users}}) {
+		if (pagespec_match("", $b,
+			ip => $ENV{REMOTE_ADDR},
+			name => defined $name ? $name : "",
+		)) {
+			$banned=1;
+			last;
 		}
 	}
+
+	if ($banned) {
+		$session->delete();
+		cgi_savesession($session);
+		cgi_custom_failure(
+			$q, "403 Forbidden",
+			gettext("You are banned."));
+	}
 }
 
 sub cgi_getsession ($) {
@@ -317,7 +355,7 @@ sub cgi (;$$) {
 			error("\"do\" parameter missing");
 		}
 	}
-	
+
 	# Need to lock the wiki before getting a session.
 	lockwiki();
 	loadindex();