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authorjamie <jamie@FreeBSD.org>2016-04-25 03:24:48 +0000
committerjamie <jamie@FreeBSD.org>2016-04-25 03:24:48 +0000
commit85f9eceb67100b2c7ee87fb45f702a57126b126f (patch)
treec46beadf17c2e3b2369ba203d8cf641289c7a1ef /usr.sbin/jail
parentb622a5ef08e12b1134ca40811623e1b58a2dbf33 (diff)
downloadFreeBSD-src-85f9eceb67100b2c7ee87fb45f702a57126b126f.zip
FreeBSD-src-85f9eceb67100b2c7ee87fb45f702a57126b126f.tar.gz
Make jail(8) interpret escape codes in fstab the same as getfsent(3).
PR: 208663 MFC after: 3 days
Diffstat (limited to 'usr.sbin/jail')
-rw-r--r--usr.sbin/jail/command.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/usr.sbin/jail/command.c b/usr.sbin/jail/command.c
index 7132a5f..8dc6d3ec 100644
--- a/usr.sbin/jail/command.c
+++ b/usr.sbin/jail/command.c
@@ -47,6 +47,7 @@ __FBSDID("$FreeBSD$");
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
+#include <vis.h>
#include "jailp.h"
@@ -444,8 +445,14 @@ run_command(struct cfjail *j)
strcpy(comcs, comstring->s);
argc = 0;
for (cs = strtok(comcs, " \t\f\v\r\n"); cs && argc < 4;
- cs = strtok(NULL, " \t\f\v\r\n"))
+ cs = strtok(NULL, " \t\f\v\r\n")) {
+ if (argc <= 1 && strunvis(cs, cs) < 0) {
+ jail_warnx(j, "%s: %s: fstab parse error",
+ j->intparams[comparam]->name, comstring->s);
+ return -1;
+ }
argv[argc++] = cs;
+ }
if (argc == 0)
return 0;
if (argc < 3) {
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