X-Git-Url: http://git.annexia.org/?a=blobdiff_plain;f=daemon%2Fstrings.c;h=778aea349c1a8b920b4a1a13f4b11e8adb9e9219;hb=4580b79d9a47dc9b6ff76070b7b5cc8f3499da09;hp=4701716899a60866b2c968627c499a90bb1d6e6b;hpb=e9c37113104c1cfb234535adc9b52ad3880a41ce;p=libguestfs.git

diff --git a/daemon/strings.c b/daemon/strings.c
index 4701716..778aea3 100644
--- a/daemon/strings.c
+++ b/daemon/strings.c
@@ -33,6 +33,12 @@ do_strings_e (const char *encoding, const char *path)
   char *out, *err;
   char **lines;
 
+  if (strlen (encoding) != 1 ||
+      strchr ("sSblBL", encoding[0]) == NULL) {
+    reply_with_error ("%s: invalid encoding", encoding);
+    return NULL;
+  }
+
   buf = sysroot_path (path);
   if (!buf) {
     reply_with_perror ("malloc");