From 068d93a3726a1d11cbe9146ba26febb5e3851bc4 Mon Sep 17 00:00:00 2001
From: op <op@openbsd.org>
Date: Sat, 6 Aug 2022 17:11:36 +0000
Subject: [PATCH] add a -t flag to change the request timeout

original diff from Alfred Morgan (alfred [at] 54 dot org)
ok florian@ and manpage tweaks by me.
---
 usr.sbin/slowcgi/slowcgi.8 | 11 +++++++++--
 usr.sbin/slowcgi/slowcgi.c | 16 ++++++++++++----
 2 files changed, 21 insertions(+), 6 deletions(-)

diff --git a/usr.sbin/slowcgi/slowcgi.8 b/usr.sbin/slowcgi/slowcgi.8
index cfc4deee42a..e1f0afbdf2f 100644
--- a/usr.sbin/slowcgi/slowcgi.8
+++ b/usr.sbin/slowcgi/slowcgi.8
@@ -1,4 +1,4 @@
-.\"   $OpenBSD: slowcgi.8,v 1.16 2021/09/02 14:14:44 jmc Exp $
+.\"   $OpenBSD: slowcgi.8,v 1.17 2022/08/06 17:11:36 op Exp $
 .\"
 .\" Copyright (c) 2013 Florian Obser <florian@openbsd.org>
 .\"
@@ -14,7 +14,7 @@
 .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 .\"
-.Dd $Mdocdate: September 2 2021 $
+.Dd $Mdocdate: August 6 2022 $
 .Dt SLOWCGI 8
 .Os
 .Sh NAME
@@ -25,6 +25,7 @@
 .Op Fl dv
 .Op Fl p Ar path
 .Op Fl s Ar socket
+.Op Fl t Ar timeout
 .Op Fl U Ar user
 .Op Fl u Ar user
 .Sh DESCRIPTION
@@ -76,6 +77,12 @@ effectively disables the chroot.
 .It Fl s Ar socket
 Create and bind to alternative local socket at
 .Ar socket .
+.It Fl t Ar timeout
+Terminate the request after
+.Ar timeout
+seconds instead of the default 120 seconds.
+The CGI script is left to run but its standard input, output and error
+will be closed.
 .It Fl U Ar user
 Change the owner of
 .Pa /var/www/run/slowcgi.sock
diff --git a/usr.sbin/slowcgi/slowcgi.c b/usr.sbin/slowcgi/slowcgi.c
index f1bc0109920..ddf83f965d0 100644
--- a/usr.sbin/slowcgi/slowcgi.c
+++ b/usr.sbin/slowcgi/slowcgi.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: slowcgi.c,v 1.62 2021/09/02 14:14:44 jmc Exp $ */
+/*	$OpenBSD: slowcgi.c,v 1.63 2022/08/06 17:11:36 op Exp $ */
 /*
  * Copyright (c) 2013 David Gwynne <dlg@openbsd.org>
  * Copyright (c) 2013 Florian Obser <florian@openbsd.org>
@@ -40,6 +40,7 @@
 #include <unistd.h>
 
 #define TIMEOUT_DEFAULT		 120
+#define TIMEOUT_MAX		 (86400 * 365)
 #define SLOWCGI_USER		 "www"
 
 #define FCGI_CONTENT_SIZE	 65535
@@ -252,8 +253,8 @@ usage(void)
 {
 	extern char *__progname;
 	fprintf(stderr,
-	    "usage: %s [-dv] [-p path] [-s socket] [-U user] [-u user]\n",
-	    __progname);
+	    "usage: %s [-dv] [-p path] [-s socket] [-t timeout] [-U user] "
+	    " [-u user]\n", __progname);
 	exit(1);
 }
 
@@ -275,6 +276,7 @@ main(int argc, char *argv[])
 	const char	*chrootpath = NULL;
 	const char	*sock_user = SLOWCGI_USER;
 	const char	*slowcgi_user = SLOWCGI_USER;
+	const char	*errstr;
 
 	/*
 	 * Ensure we have fds 0-2 open so that we have no fd overlaps
@@ -293,7 +295,7 @@ main(int argc, char *argv[])
 		}
 	}
 
-	while ((c = getopt(argc, argv, "dp:s:U:u:v")) != -1) {
+	while ((c = getopt(argc, argv, "dp:s:t:U:u:v")) != -1) {
 		switch (c) {
 		case 'd':
 			debug++;
@@ -304,6 +306,12 @@ main(int argc, char *argv[])
 		case 's':
 			fcgi_socket = optarg;
 			break;
+		case 't':
+			timeout.tv_sec = strtonum(optarg, 1, TIMEOUT_MAX, 
+			    &errstr);
+			if (errstr != NULL)
+				errx(1, "timeout is %s: %s", errstr, optarg);
+			break;
 		case 'U':
 			sock_user = optarg;
 			break;
-- 
2.20.1