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Test long base URI for external parser with duff allocator

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Rhodri James 2017-05-05 13:35:24 +01:00 committed by Sebastian Pipping
parent 75d3141f31
commit 1ce3d9049a
1 changed files with 64 additions and 0 deletions
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64
expat/tests/runtests.c
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@ -8081,6 +8081,69 @@ START_TEST(test_alloc_long_doc_name)
#undef MAX_ALLOC_COUNT #undef MAX_ALLOC_COUNT
END_TEST END_TEST
START_TEST(test_alloc_long_base)
{
const char *text =
"<!DOCTYPE doc [\n"
" <!ENTITY e SYSTEM 'foo'>\n"
"]>\n"
"<doc>&e;</doc>";
char entity_text[] = "Hello world";
const char *base =
/* 64 characters per line */
"LongBaseURI/that/will/overflow/an/internal/buffer/and/cause/it/t"
"o/have/to/grow/PQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789A/"
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789A/"
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789A/"
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789A/"
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789A/"
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789A/"
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789A/"
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789A/"
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789A/"
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789A/"
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789A/"
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789A/"
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789A/"
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789A/"
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789A/";
int i;
#define MAX_ALLOC_COUNT 20
int repeat = 0;
for (i = 0; i < MAX_ALLOC_COUNT; i++) {
/* Repeat some counts to defeat cached allocations */
if (i == 4 && repeat == 4) {
i -= 2;
repeat++;
}
else if ((i == 2 && repeat < 4) ||
(i == 3 && repeat == 5) ||
(i == 4 && repeat == 6)) {
i--;
repeat++;
}
allocation_count = i;
XML_SetUserData(parser, entity_text);
XML_SetParamEntityParsing(parser, XML_PARAM_ENTITY_PARSING_ALWAYS);
XML_SetExternalEntityRefHandler(parser, external_entity_alloc);
if (XML_SetBase(parser, base) == XML_STATUS_ERROR) {
XML_ParserReset(parser, NULL);
continue;
}
if (_XML_Parse_SINGLE_BYTES(parser, text, strlen(text),
XML_TRUE) != XML_STATUS_ERROR)
break;
XML_ParserReset(parser, NULL);
}
if (i == 0)
fail("Parsing worked despite failing allocations");
else if (i == MAX_ALLOC_COUNT)
fail("Parsing failed even at max allocation count");
}
#undef MAX_ALLOC_COUNT
END_TEST
static void static void
nsalloc_setup(void) nsalloc_setup(void)
@ -9972,6 +10035,7 @@ make_suite(void)
tcase_add_test(tc_alloc, test_alloc_realloc_ce_extends_pe); tcase_add_test(tc_alloc, test_alloc_realloc_ce_extends_pe);
tcase_add_test(tc_alloc, test_alloc_realloc_attributes); tcase_add_test(tc_alloc, test_alloc_realloc_attributes);
tcase_add_test(tc_alloc, test_alloc_long_doc_name); tcase_add_test(tc_alloc, test_alloc_long_doc_name);
tcase_add_test(tc_alloc, test_alloc_long_base);
suite_add_tcase(s, tc_nsalloc); suite_add_tcase(s, tc_nsalloc);
tcase_add_checked_fixture(tc_nsalloc, nsalloc_setup, nsalloc_teardown); tcase_add_checked_fixture(tc_nsalloc, nsalloc_setup, nsalloc_teardown);