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68 lines
2.4 KiB
C
68 lines
2.4 KiB
C
#include "maxminddb_test_helper.h"
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/* This test exercises a bug found in MMDB_get_value for certain types of
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* nested data structures which contain pointers. See
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* https://github.com/maxmind/libmaxminddb/issues/2 and
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* https://github.com/maxmind/libmaxminddb/issues/3.
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*
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* There is also the potential for a similar bug when looking up a value by
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* path in an array. This is not tested (yet) as we don't have the right test
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* data for it.
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*
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* These tests are somewhat fragile since they depend on a specific data
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* layout in the database. Ideally the test would check that this layout
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* exists before checking to see if the lookups are correct.
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*/
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void test_one_ip(MMDB_s *mmdb, const char *filename, const char *mode_desc,
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char *ip, char *country_code)
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{
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MMDB_lookup_result_s result =
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lookup_string_ok(mmdb, ip, filename, mode_desc);
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MMDB_entry_data_s entry_data =
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data_ok(&result, MMDB_DATA_TYPE_UTF8_STRING, "country{iso_code}",
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"country", "iso_code", NULL);
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if (ok(entry_data.has_data, "found data for country{iso_code}")) {
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char *string =
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mmdb_strndup(entry_data.utf8_string, entry_data.data_size);
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if (!string) {
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ok(0, "mmdb_strndup() call failed");
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exit(1);
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}
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if (!ok(strcmp(string,
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country_code) == 0, "iso_code is %s", country_code)) {
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diag(" value is %s", string);
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}
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free(string);
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}
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}
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void run_tests(int mode, const char *mode_desc)
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{
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const char *filename = "GeoIP2-City-Test.mmdb";
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const char *path = test_database_path(filename);
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MMDB_s *mmdb = open_ok(path, mode, mode_desc);
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free((void *)path);
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/* This exercises a bug where the entire top-level value is a pointer to
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* another part of the data section. */
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test_one_ip(mmdb, filename, mode_desc, "2001:218::", "JP");
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/* This exercises a bug where one subnet's data shares part of the data
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* with another subnet - in this case it is the "country" key (and others)
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* in the top level map. We are testing that the "country" key's value is
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* handled correctly. The value _should_ be a pointer to another map. */
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test_one_ip(mmdb, filename, mode_desc, "81.2.69.160", "GB");
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MMDB_close(mmdb);
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free(mmdb);
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}
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int main(void)
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{
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plan(NO_PLAN);
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for_all_modes(&run_tests);
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done_testing();
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}
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