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-rw-r--r--src/udev/udevadm-trigger.c17
1 files changed, 15 insertions, 2 deletions
diff --git a/src/udev/udevadm-trigger.c b/src/udev/udevadm-trigger.c
index f472996965..d10ca59cca 100644
--- a/src/udev/udevadm-trigger.c
+++ b/src/udev/udevadm-trigger.c
@@ -32,6 +32,7 @@
#include <sys/un.h>
#include "udev.h"
+#include "util.h"
static int verbose;
static int dry_run;
@@ -111,8 +112,14 @@ static int adm_trigger(struct udev *udev, int argc, char *argv[])
char buf[UTIL_PATH_SIZE];
option = getopt_long(argc, argv, "vng:o:t:hc:p:s:S:a:A:y:b:", options, NULL);
- if (option == -1)
+ if (option == -1) {
+ if (optind < argc) {
+ fprintf(stderr, "Extraneous argument: '%s'\n", argv[optind]);
+ rc = 1;
+ goto exit;
+ }
break;
+ }
switch (option) {
case 'v':
@@ -133,7 +140,13 @@ static int adm_trigger(struct udev *udev, int argc, char *argv[])
}
break;
case 'c':
- action = optarg;
+ if (!nulstr_contains("add\0" "remove\0" "change\0", optarg)) {
+ log_error("unknown action '%s'\n", optarg);
+ rc = 2;
+ goto exit;
+ } else {
+ action = optarg;
+ }
break;
case 's':
udev_enumerate_add_match_subsystem(udev_enumerate, optarg);