diff options
| author | David Hildenbrand <david@redhat.com> | 2018-11-21 17:44:15 +0100 |
|---|---|---|
| committer | Markus Armbruster <armbru@redhat.com> | 2018-12-13 19:10:06 +0100 |
| commit | 4b69d4c3d7c133ebc9393ef3f86ce38831921cb6 (patch) | |
| tree | 3ea8c1796daf48149454bbe2eb4fab9a19b07284 | |
| parent | af02f4c5179675ad4e26b17ba26694a8fcde17fa (diff) | |
qapi: Fix string-input-visitor to reject NaN and infinities
The string-input-visitor happily accepts NaN and infinities when parsing
numbers (doubles). They shouldn't. Fix that.
Also, add two test cases, testing if "NaN" and "inf" is properly
rejected.
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20181121164421.20780-4-david@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
| -rw-r--r-- | qapi/string-input-visitor.c | 6 | ||||
| -rw-r--r-- | tests/test-string-input-visitor.c | 13 |
2 files changed, 15 insertions, 4 deletions
diff --git a/qapi/string-input-visitor.c b/qapi/string-input-visitor.c index b3fdd0827d..b89c6c4e06 100644 --- a/qapi/string-input-visitor.c +++ b/qapi/string-input-visitor.c @@ -20,6 +20,7 @@ #include "qemu/option.h" #include "qemu/queue.h" #include "qemu/range.h" +#include "qemu/cutils.h" struct StringInputVisitor @@ -313,12 +314,9 @@ static void parse_type_number(Visitor *v, const char *name, double *obj, Error **errp) { StringInputVisitor *siv = to_siv(v); - char *endp = (char *) siv->string; double val; - errno = 0; - val = strtod(siv->string, &endp); - if (errno || endp == siv->string || *endp) { + if (qemu_strtod_finite(siv->string, NULL, &val)) { error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name ? name : "null", "number"); return; diff --git a/tests/test-string-input-visitor.c b/tests/test-string-input-visitor.c index 88e0e1aa9a..1efba06948 100644 --- a/tests/test-string-input-visitor.c +++ b/tests/test-string-input-visitor.c @@ -252,6 +252,19 @@ static void test_visitor_in_number(TestInputVisitorData *data, visit_type_number(v, NULL, &res, &err); g_assert(!err); g_assert_cmpfloat(res, ==, value); + + /* NaN and infinity has to be rejected */ + + v = visitor_input_test_init(data, "NaN"); + + visit_type_number(v, NULL, &res, &err); + error_free_or_abort(&err); + + v = visitor_input_test_init(data, "inf"); + + visit_type_number(v, NULL, &res, &err); + error_free_or_abort(&err); + } static void test_visitor_in_string(TestInputVisitorData *data, |