/******************************************************************** * COPYRIGHT: * Copyright (c) 2009-2015, International Business Machines Corporation and * others. All Rights Reserved. ********************************************************************/ /******************************************************************************** * * File spooftest.c * *********************************************************************************/ /*C API TEST for the uspoof Unicode Indentifier Spoofing and Security API */ /** * This is an API test for ICU spoof detection in plain C. It doesn't test very many cases, and doesn't * try to test the full functionality. It just calls each function and verifies that it * works on a basic level. * * More complete testing of spoof detection functionality is done with the C++ tests. **/ #include "unicode/utypes.h" #if !UCONFIG_NO_REGULAR_EXPRESSIONS && !UCONFIG_NO_NORMALIZATION #include #include #include #include "unicode/uspoof.h" #include "unicode/ustring.h" #include "unicode/uset.h" #include "cintltst.h" #define TEST_ASSERT_SUCCESS(status) {if (U_FAILURE(status)) { \ log_err_status(status, "Failure at file %s, line %d, error = %s\n", __FILE__, __LINE__, u_errorName(status));}} #define TEST_ASSERT(expr) {if ((expr)==FALSE) { \ log_err("Test Failure at file %s, line %d: \"%s\" is false.\n", __FILE__, __LINE__, #expr);};} #define TEST_ASSERT_EQ(a, b) { if ((a) != (b)) { \ log_err("Test Failure at file %s, line %d: \"%s\" (%d) != \"%s\" (%d) \n", \ __FILE__, __LINE__, #a, (a), #b, (b)); }} #define TEST_ASSERT_NE(a, b) { if ((a) == (b)) { \ log_err("Test Failure at file %s, line %d: \"%s\" (%d) == \"%s\" (%d) \n", \ __FILE__, __LINE__, #a, (a), #b, (b)); }} /* * TEST_SETUP and TEST_TEARDOWN * macros to handle the boilerplate around setting up test case. * Put arbitrary test code between SETUP and TEARDOWN. * "sc" is the ready-to-go SpoofChecker for use in the tests. */ #define TEST_SETUP { \ UErrorCode status = U_ZERO_ERROR; \ USpoofChecker *sc; \ sc = uspoof_open(&status); \ TEST_ASSERT_SUCCESS(status); \ if (U_SUCCESS(status)){ #define TEST_TEARDOWN \ } \ TEST_ASSERT_SUCCESS(status); \ uspoof_close(sc); \ } static void TestOpenFromSource(void); static void TestUSpoofCAPI(void); void addUSpoofTest(TestNode** root); void addUSpoofTest(TestNode** root) { #if !UCONFIG_NO_FILE_IO addTest(root, &TestOpenFromSource, "uspoof/TestOpenFromSource"); #endif addTest(root, &TestUSpoofCAPI, "uspoof/TestUSpoofCAPI"); } /* * Identifiers for verifying that spoof checking is minimally alive and working. */ const UChar goodLatin[] = {(UChar)0x75, (UChar)0x7a, 0}; /* "uz", all ASCII */ /* (not confusable) */ const UChar scMixed[] = {(UChar)0x73, (UChar)0x0441, 0}; /* "sc", with Cyrillic 'c' */ /* (mixed script, confusable */ const UChar scLatin[] = {(UChar)0x73, (UChar)0x63, 0}; /* "sc", plain ascii. */ const UChar goodCyrl[] = {(UChar)0x438, (UChar)0x43B, 0}; /* Plain lower case Cyrillic letters, no latin confusables */ const UChar goodGreek[] = {(UChar)0x3c0, (UChar)0x3c6, 0}; /* Plain lower case Greek letters */ const UChar lll_Latin_a[] = {(UChar)0x6c, (UChar)0x49, (UChar)0x31, 0}; /* lI1, all ASCII */ /* Full-width I, Small Roman Numeral fifty, Latin Cap Letter IOTA*/ const UChar lll_Latin_b[] = {(UChar)0xff29, (UChar)0x217c, (UChar)0x196, 0}; const UChar lll_Cyrl[] = {(UChar)0x0406, (UChar)0x04C0, (UChar)0x31, 0}; /* The skeleton transform for all of thes 'lll' lookalikes is all lower case l. */ const UChar lll_Skel[] = {(UChar)0x6c, (UChar)0x6c, (UChar)0x6c, 0}; const UChar han_Hiragana[] = {(UChar)0x3086, (UChar)0x308A, (UChar)0x0020, (UChar)0x77F3, (UChar)0x7530, 0}; /* Provide better code coverage */ const char goodLatinUTF8[] = {0x75, 0x77, 0}; // Test open from source rules. // Run this in isolation to verify initialization. static void TestOpenFromSource() { // No TEST_SETUP because that calls uspoof_open(). UErrorCode status = U_ZERO_ERROR; const char *dataSrcDir; char *fileName; char *confusables; int confusablesLength = 0; char *confusablesWholeScript; int confusablesWholeScriptLength = 0; FILE *f; UParseError pe; int32_t errType; int32_t checkResults; USpoofChecker *rsc; dataSrcDir = ctest_dataSrcDir(); fileName = malloc(strlen(dataSrcDir) + 100); strcpy(fileName, dataSrcDir); strcat(fileName, U_FILE_SEP_STRING "unidata" U_FILE_SEP_STRING "confusables.txt"); f = fopen(fileName, "rb"); TEST_ASSERT_NE(f, NULL); confusables = malloc(3000000); if (f != NULL) { confusablesLength = fread(confusables, 1, 3000000, f); fclose(f); } strcpy(fileName, dataSrcDir); strcat(fileName, U_FILE_SEP_STRING "unidata" U_FILE_SEP_STRING "confusablesWholeScript.txt"); f = fopen(fileName, "rb"); TEST_ASSERT_NE(f, NULL); confusablesWholeScript = malloc(1000000); if (f != NULL) { confusablesWholeScriptLength = fread(confusablesWholeScript, 1, 1000000, f); fclose(f); } rsc = uspoof_openFromSource(confusables, confusablesLength, confusablesWholeScript, confusablesWholeScriptLength, &errType, &pe, &status); TEST_ASSERT_SUCCESS(status); // Ticket #11860: uspoof_openFromSource() did not initialize for use. // Verify that the spoof checker does not crash. checkResults = uspoof_check(rsc, goodLatin, -1, NULL, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT_EQ(0, checkResults); free(confusablesWholeScript); free(confusables); free(fileName); uspoof_close(rsc); /* printf("ParseError Line is %d\n", pe.line); */ } /* * Spoof Detection C API Tests */ static void TestUSpoofCAPI(void) { /* * basic uspoof_open(). */ { USpoofChecker *sc; UErrorCode status = U_ZERO_ERROR; sc = uspoof_open(&status); TEST_ASSERT_SUCCESS(status); if (U_FAILURE(status)) { /* If things are so broken that we can't even open a default spoof checker, */ /* don't even try the rest of the tests. They would all fail. */ return; } uspoof_close(sc); } /* * openFromSerialized and serialize */ TEST_SETUP int32_t serializedSize = 0; int32_t actualLength = 0; char *buf; USpoofChecker *sc2; int32_t checkResults; serializedSize = uspoof_serialize(sc, NULL, 0, &status); TEST_ASSERT_EQ(status, U_BUFFER_OVERFLOW_ERROR); TEST_ASSERT(serializedSize > 0); /* Serialize the default spoof checker */ status = U_ZERO_ERROR; buf = (char *)malloc(serializedSize + 10); TEST_ASSERT(buf != NULL); buf[serializedSize] = 42; uspoof_serialize(sc, buf, serializedSize, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT_EQ(42, buf[serializedSize]); /* Create a new spoof checker from the freshly serialized data */ sc2 = uspoof_openFromSerialized(buf, serializedSize+10, &actualLength, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT_NE(NULL, sc2); TEST_ASSERT_EQ(serializedSize, actualLength); /* Verify that the new spoof checker at least wiggles */ checkResults = uspoof_check(sc2, goodLatin, -1, NULL, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT_EQ(0, checkResults); checkResults = uspoof_check(sc2, scMixed, -1, NULL, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT_EQ(USPOOF_SINGLE_SCRIPT | USPOOF_MIXED_SCRIPT_CONFUSABLE, checkResults); uspoof_close(sc2); free(buf); TEST_TEARDOWN; /* * Set & Get Check Flags */ TEST_SETUP int32_t t; uspoof_setChecks(sc, USPOOF_ALL_CHECKS, &status); TEST_ASSERT_SUCCESS(status); t = uspoof_getChecks(sc, &status); TEST_ASSERT_EQ(t, USPOOF_ALL_CHECKS); uspoof_setChecks(sc, 0, &status); TEST_ASSERT_SUCCESS(status); t = uspoof_getChecks(sc, &status); TEST_ASSERT_EQ(0, t); uspoof_setChecks(sc, USPOOF_WHOLE_SCRIPT_CONFUSABLE | USPOOF_MIXED_SCRIPT_CONFUSABLE | USPOOF_ANY_CASE, &status); TEST_ASSERT_SUCCESS(status); t = uspoof_getChecks(sc, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT_EQ(USPOOF_WHOLE_SCRIPT_CONFUSABLE | USPOOF_MIXED_SCRIPT_CONFUSABLE | USPOOF_ANY_CASE, t); TEST_TEARDOWN; /* * get & setAllowedChars */ TEST_SETUP USet *us; const USet *uset; uset = uspoof_getAllowedChars(sc, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT(uset_isFrozen(uset)); us = uset_open((UChar32)0x41, (UChar32)0x5A); /* [A-Z] */ uspoof_setAllowedChars(sc, us, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT_NE(us, uspoof_getAllowedChars(sc, &status)); TEST_ASSERT(uset_equals(us, uspoof_getAllowedChars(sc, &status))); TEST_ASSERT_SUCCESS(status); uset_close(us); TEST_TEARDOWN; /* * clone() */ TEST_SETUP USpoofChecker *clone1 = NULL; USpoofChecker *clone2 = NULL; int32_t checkResults = 0; clone1 = uspoof_clone(sc, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT_NE(clone1, sc); clone2 = uspoof_clone(clone1, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT_NE(clone2, clone1); uspoof_close(clone1); /* Verify that the cloned spoof checker is alive */ checkResults = uspoof_check(clone2, goodLatin, -1, NULL, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT_EQ(0, checkResults); checkResults = uspoof_check(clone2, scMixed, -1, NULL, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT_EQ(USPOOF_SINGLE_SCRIPT | USPOOF_MIXED_SCRIPT_CONFUSABLE, checkResults); uspoof_close(clone2); TEST_TEARDOWN; /* * basic uspoof_check() */ TEST_SETUP int32_t result; result = uspoof_check(sc, goodLatin, -1, NULL, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT_EQ(0, result); result = uspoof_check(sc, han_Hiragana, -1, NULL, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT_EQ(0, result); result = uspoof_check(sc, scMixed, -1, NULL, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT_EQ(USPOOF_SINGLE_SCRIPT | USPOOF_MIXED_SCRIPT_CONFUSABLE, result); TEST_TEARDOWN /* * get & set Checks */ TEST_SETUP int32_t checks; int32_t checks2; int32_t checkResults; checks = uspoof_getChecks(sc, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT_EQ(USPOOF_ALL_CHECKS, checks); checks &= ~(USPOOF_SINGLE_SCRIPT | USPOOF_MIXED_SCRIPT_CONFUSABLE); uspoof_setChecks(sc, checks, &status); TEST_ASSERT_SUCCESS(status); checks2 = uspoof_getChecks(sc, &status); TEST_ASSERT_EQ(checks, checks2); /* The checks that were disabled just above are the same ones that the "scMixed" test fails. So with those tests gone checking that Identifier should now succeed */ checkResults = uspoof_check(sc, scMixed, -1, NULL, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT_EQ(0, checkResults); TEST_TEARDOWN; /* * AllowedLoacles */ TEST_SETUP const char *allowedLocales; int32_t checkResults; /* Default allowed locales list should be empty */ allowedLocales = uspoof_getAllowedLocales(sc, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT(strcmp("", allowedLocales) == 0) /* Allow en and ru, which should enable Latin and Cyrillic only to pass */ uspoof_setAllowedLocales(sc, "en, ru_RU", &status); TEST_ASSERT_SUCCESS(status); allowedLocales = uspoof_getAllowedLocales(sc, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT(strstr(allowedLocales, "en") != NULL); TEST_ASSERT(strstr(allowedLocales, "ru") != NULL); /* Limit checks to USPOOF_CHAR_LIMIT. Some of the test data has whole script confusables also, * which we don't want to see in this test. */ uspoof_setChecks(sc, USPOOF_CHAR_LIMIT, &status); TEST_ASSERT_SUCCESS(status); checkResults = uspoof_check(sc, goodLatin, -1, NULL, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT_EQ(0, checkResults); checkResults = uspoof_check(sc, goodGreek, -1, NULL, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT_EQ(USPOOF_CHAR_LIMIT, checkResults); checkResults = uspoof_check(sc, goodCyrl, -1, NULL, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT_EQ(0, checkResults); /* Reset with an empty locale list, which should allow all characters to pass */ uspoof_setAllowedLocales(sc, " ", &status); TEST_ASSERT_SUCCESS(status); checkResults = uspoof_check(sc, goodGreek, -1, NULL, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT_EQ(0, checkResults); TEST_TEARDOWN; /* * AllowedChars set/get the USet of allowed characters. */ TEST_SETUP const USet *set; USet *tmpSet; int32_t checkResults; /* By default, we should see no restriction; the USet should allow all characters. */ set = uspoof_getAllowedChars(sc, &status); TEST_ASSERT_SUCCESS(status); tmpSet = uset_open(0, 0x10ffff); TEST_ASSERT(uset_equals(tmpSet, set)); /* Setting the allowed chars should enable the check. */ uspoof_setChecks(sc, USPOOF_ALL_CHECKS & ~USPOOF_CHAR_LIMIT, &status); TEST_ASSERT_SUCCESS(status); /* Remove a character that is in our good Latin test identifier from the allowed chars set. */ uset_remove(tmpSet, goodLatin[1]); uspoof_setAllowedChars(sc, tmpSet, &status); TEST_ASSERT_SUCCESS(status); uset_close(tmpSet); /* Latin Identifier should now fail; other non-latin test cases should still be OK * Note: fail of CHAR_LIMIT also causes the restriction level to be USPOOF_UNRESTRICTIVE * which will give us a USPOOF_RESTRICTION_LEVEL failure. */ checkResults = uspoof_check(sc, goodLatin, -1, NULL, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT_EQ(USPOOF_CHAR_LIMIT | USPOOF_RESTRICTION_LEVEL, checkResults); checkResults = uspoof_check(sc, goodGreek, -1, NULL, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT_EQ(USPOOF_WHOLE_SCRIPT_CONFUSABLE, checkResults); TEST_TEARDOWN; /* * check UTF-8 */ TEST_SETUP char utf8buf[200]; int32_t checkResults; int32_t position; u_strToUTF8(utf8buf, sizeof(utf8buf), NULL, goodLatin, -1, &status); TEST_ASSERT_SUCCESS(status); position = 666; checkResults = uspoof_checkUTF8(sc, utf8buf, -1, &position, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT_EQ(0, checkResults); TEST_ASSERT_EQ(0, position); u_strToUTF8(utf8buf, sizeof(utf8buf), NULL, goodCyrl, -1, &status); TEST_ASSERT_SUCCESS(status); checkResults = uspoof_checkUTF8(sc, utf8buf, -1, &position, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT_EQ(0, checkResults); u_strToUTF8(utf8buf, sizeof(utf8buf), NULL, scMixed, -1, &status); TEST_ASSERT_SUCCESS(status); position = 666; checkResults = uspoof_checkUTF8(sc, utf8buf, -1, &position, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT_EQ(USPOOF_MIXED_SCRIPT_CONFUSABLE | USPOOF_SINGLE_SCRIPT , checkResults); TEST_ASSERT_EQ(0, position); TEST_TEARDOWN; /* * uspoof_areConfusable() */ TEST_SETUP int32_t checkResults; checkResults = uspoof_areConfusable(sc, scLatin, -1, scMixed, -1, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT_EQ(USPOOF_MIXED_SCRIPT_CONFUSABLE, checkResults); checkResults = uspoof_areConfusable(sc, goodGreek, -1, scLatin, -1, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT_EQ(0, checkResults); checkResults = uspoof_areConfusable(sc, lll_Latin_a, -1, lll_Latin_b, -1, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT_EQ(USPOOF_SINGLE_SCRIPT_CONFUSABLE, checkResults); TEST_TEARDOWN; /* * areConfusableUTF8 */ TEST_SETUP int32_t checkResults; char s1[200]; char s2[200]; u_strToUTF8(s1, sizeof(s1), NULL, scLatin, -1, &status); u_strToUTF8(s2, sizeof(s2), NULL, scMixed, -1, &status); TEST_ASSERT_SUCCESS(status); checkResults = uspoof_areConfusableUTF8(sc, s1, -1, s2, -1, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT_EQ(USPOOF_MIXED_SCRIPT_CONFUSABLE, checkResults); u_strToUTF8(s1, sizeof(s1), NULL, goodGreek, -1, &status); u_strToUTF8(s2, sizeof(s2), NULL, scLatin, -1, &status); TEST_ASSERT_SUCCESS(status); checkResults = uspoof_areConfusableUTF8(sc, s1, -1, s2, -1, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT_EQ(0, checkResults); u_strToUTF8(s1, sizeof(s1), NULL, lll_Latin_a, -1, &status); u_strToUTF8(s2, sizeof(s2), NULL, lll_Latin_b, -1, &status); TEST_ASSERT_SUCCESS(status); checkResults = uspoof_areConfusableUTF8(sc, s1, -1, s2, -1, &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT_EQ(USPOOF_SINGLE_SCRIPT_CONFUSABLE, checkResults); TEST_TEARDOWN; /* * getSkeleton */ TEST_SETUP UChar dest[100]; int32_t skelLength; skelLength = uspoof_getSkeleton(sc, USPOOF_ANY_CASE, lll_Latin_a, -1, dest, sizeof(dest)/sizeof(UChar), &status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT_EQ(0, u_strcmp(lll_Skel, dest)); TEST_ASSERT_EQ(u_strlen(lll_Skel), skelLength); skelLength = uspoof_getSkeletonUTF8(sc, USPOOF_ANY_CASE, goodLatinUTF8, -1, (char*)dest, sizeof(dest)/sizeof(UChar), &status); TEST_ASSERT_SUCCESS(status); skelLength = uspoof_getSkeleton(sc, USPOOF_ANY_CASE, lll_Latin_a, -1, NULL, 0, &status); TEST_ASSERT_EQ(U_BUFFER_OVERFLOW_ERROR, status); TEST_ASSERT_EQ(3, skelLength); status = U_ZERO_ERROR; TEST_TEARDOWN; /* * get Inclusion and Recommended sets */ TEST_SETUP const USet *inclusions = NULL; const USet *recommended = NULL; inclusions = uspoof_getInclusionSet(&status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT_EQ(TRUE, uset_isFrozen(inclusions)); status = U_ZERO_ERROR; recommended = uspoof_getRecommendedSet(&status); TEST_ASSERT_SUCCESS(status); TEST_ASSERT_EQ(TRUE, uset_isFrozen(recommended)); TEST_TEARDOWN; } #endif /* UCONFIG_NO_REGULAR_EXPRESSIONS */