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

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2016-11-07 16:22:35 +01:00
parent 46443a383c
commit 4224647c8d
1 changed files with 4 additions and 2 deletions
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6
shell/hush.c
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@ -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;