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-rw-r--r--Makefile2
-rw-r--r--slowcgi.811
-rw-r--r--slowcgi.c24
-rw-r--r--strtonum.c71
4 files changed, 101 insertions, 7 deletions
diff --git a/Makefile b/Makefile
index 95cd170..09c3eaa 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
PROG = slowcgi
-OBJS = slowcgi.o getdtablecount.o strlcpy.o
+OBJS = slowcgi.o getdtablecount.o strlcpy.o strtonum.o
LIBS = libevent
PREFIX ?= /usr/local
diff --git a/slowcgi.8 b/slowcgi.8
index cfc4dee..e1f0afb 100644
--- a/slowcgi.8
+++ b/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/slowcgi.c b/slowcgi.c
index 9999ac8..fc0e596 100644
--- a/slowcgi.c
+++ b/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>
@@ -48,6 +48,14 @@
size_t strlcpy(char *, const char *, size_t);
#endif
+#ifdef strtonum
+#define HAVE_STRTONUM
+#else
+long long
+strtonum(const char *numstr, long long minval, long long maxval,
+ const char **errstrp);
+#endif
+
#ifndef __packed
#define __packed __attribute__((packed))
#endif
@@ -57,6 +65,7 @@ size_t strlcpy(char *, const char *, size_t);
#endif
#define TIMEOUT_DEFAULT 120
+#define TIMEOUT_MAX (86400 * 365)
#define SLOWCGI_USER "www"
#define FCGI_CONTENT_SIZE 65535
@@ -269,8 +278,8 @@ 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);
}
@@ -292,6 +301,7 @@ 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
@@ -310,7 +320,7 @@ 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++;
@@ -321,6 +331,12 @@ 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;
diff --git a/strtonum.c b/strtonum.c
new file mode 100644
index 0000000..c54a47a
--- /dev/null
+++ b/strtonum.c
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2004 Ted Unangst and Todd Miller
+ * All rights reserved.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef HAVE_STRTONUM
+
+long long
+strtonum(const char *numstr, long long minval, long long maxval,
+ const char **errstrp);
+
+#include <errno.h>
+#include <limits.h>
+#include <stdlib.h>
+
+#define INVALID 1
+#define TOOSMALL 2
+#define TOOLARGE 3
+
+long long
+strtonum(const char *numstr, long long minval, long long maxval,
+ const char **errstrp)
+{
+ long long ll = 0;
+ int error = 0;
+ char *ep;
+ struct errval {
+ const char *errstr;
+ int err;
+ } ev[4] = {
+ { NULL, 0 },
+ { "invalid", EINVAL },
+ { "too small", ERANGE },
+ { "too large", ERANGE },
+ };
+
+ ev[0].err = errno;
+ errno = 0;
+ if (minval > maxval) {
+ error = INVALID;
+ } else {
+ ll = strtoll(numstr, &ep, 10);
+ if (numstr == ep || *ep != '\0')
+ error = INVALID;
+ else if ((ll == LLONG_MIN && errno == ERANGE) || ll < minval)
+ error = TOOSMALL;
+ else if ((ll == LLONG_MAX && errno == ERANGE) || ll > maxval)
+ error = TOOLARGE;
+ }
+ if (errstrp != NULL)
+ *errstrp = ev[error].errstr;
+ errno = ev[error].err;
+ if (error)
+ ll = 0;
+
+ return (ll);
+}
+
+#endif