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tests: Cover rejection of direct parameter entity recursion

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Sebastian Pipping 2024-03-03 01:35:35 +01:00
parent a4c86a395e
commit 565ab44a42
1 changed files with 45 additions and 0 deletions
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45
expat/tests/basic_tests.c
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@ -1202,6 +1202,49 @@ START_TEST(test_wfc_no_recursive_entity_refs) {
}
END_TEST
START_TEST(test_recursive_external_parameter_entity_2) {
struct TestCase {
const char *doc;
enum XML_Status expectedStatus;
};
struct TestCase cases[] = {
{"<!ENTITY % p1 '%p1;'>", XML_STATUS_ERROR},
{"<!ENTITY % p1 '%p1;'>"
"<!ENTITY % p1 'first declaration wins'>",
XML_STATUS_ERROR},
{"<!ENTITY % p1 'first declaration wins'>"
"<!ENTITY % p1 '%p1;'>",
XML_STATUS_OK},
{"<!ENTITY % p1 '&#37;p1;'>", XML_STATUS_OK},
};
for (size_t i = 0; i < sizeof(cases) / sizeof(cases[0]); i++) {
const char *const doc = cases[i].doc;
const enum XML_Status expectedStatus = cases[i].expectedStatus;
set_subtest("%s", doc);
XML_Parser parser = XML_ParserCreate(NULL);
assert_true(parser != NULL);
XML_Parser ext_parser = XML_ExternalEntityParserCreate(parser, NULL, NULL);
assert_true(ext_parser != NULL);
const enum XML_Status actualStatus
= _XML_Parse_SINGLE_BYTES(ext_parser, doc, (int)strlen(doc), XML_TRUE);
assert_true(actualStatus == expectedStatus);
if (actualStatus != XML_STATUS_OK) {
assert_true(XML_GetErrorCode(ext_parser)
== XML_ERROR_RECURSIVE_ENTITY_REF);
}
XML_ParserFree(ext_parser);
XML_ParserFree(parser);
}
}
END_TEST
/* Test incomplete external entities are faulted */
START_TEST(test_ext_entity_invalid_parse) {
const char *text = "<!DOCTYPE doc [\n"
@ -5944,6 +5987,8 @@ make_basic_test_case(Suite *s) {
tcase_add_test__ifdef_xml_dtd(tc_basic, test_skipped_parameter_entity);
tcase_add_test__ifdef_xml_dtd(tc_basic,
test_recursive_external_parameter_entity);
tcase_add_test__ifdef_xml_dtd(tc_basic,
test_recursive_external_parameter_entity_2);
tcase_add_test(tc_basic, test_undefined_ext_entity_in_external_dtd);
tcase_add_test(tc_basic, test_suspend_xdecl);
tcase_add_test(tc_basic, test_abort_epilog);