hush: do not allow sh -c '{ echo boo }'

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/shell/hush.c b/shell/hush.c
index 0bc67ecc9..a01db9c75 100644
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -4533,12 +4533,14 @@ static struct pipe *parse_stream(char **pstring,
                                 syntax_error_unterm_str("here document");
                                 goto parse_error;
                         }
-                        /* end_trigger == '}' case errors out earlier,
-                         * checking only ')' */
                         if (end_trigger == ')') {
                                 syntax_error_unterm_ch('(');
                                 goto parse_error;
                         }
+                        if (end_trigger == '}') {
+                                syntax_error_unterm_ch('{');
+                                goto parse_error;
+                        }
 
                         if (done_word(&dest, &ctx)) {
                                 goto parse_error;