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/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#undef _FORTIFY_SOURCE
#define _FORTIFY_SOURCE 2
#include <gtest/gtest.h>
#include <string.h>
struct foo {
char empty[0];
char one[1];
char a[10];
char b[10];
};
// We have to say "DeathTest" here so gtest knows to run this test (which exits)
// in its own process.
TEST(Fortify2_Clang_DeathTest, strncat3_fortified2) {
::testing::FLAGS_gtest_death_test_style = "threadsafe";
foo myfoo;
memcpy(myfoo.a, "0123456789", sizeof(myfoo.a)); // unterminated string
myfoo.b[0] = '\0';
size_t n = atoi("10"); // avoid compiler optimizations
ASSERT_EXIT(strncat(myfoo.b, myfoo.a, n), testing::KilledBySignal(SIGABRT), "");
}
TEST(Fortify2_Clang_DeathTest, strcat2_fortified2) {
::testing::FLAGS_gtest_death_test_style = "threadsafe";
foo myfoo;
memcpy(myfoo.a, "0123456789", sizeof(myfoo.a)); // unterminated string
myfoo.b[0] = '\0';
ASSERT_EXIT(strcat(myfoo.b, myfoo.a), testing::KilledBySignal(SIGABRT), "");
}
/*****************************************************************/
/* TESTS BELOW HERE DUPLICATE TESTS FROM fortify1_test_clang.cpp */
/*****************************************************************/
#if __BIONIC__
// multibyte target where we over fill (should fail)
TEST(Fortify2_Clang_DeathTest, strcpy_fortified) {
::testing::FLAGS_gtest_death_test_style = "threadsafe";
char buf[10];
char *orig = strdup("0123456789");
ASSERT_EXIT(strcpy(buf, orig), testing::KilledBySignal(SIGABRT), "");
free(orig);
}
// zero sized target with "\0" source (should fail)
TEST(Fortify2_Clang_DeathTest, strcpy2_fortified) {
::testing::FLAGS_gtest_death_test_style = "threadsafe";
char buf[0];
char *orig = strdup("");
ASSERT_EXIT(strcpy(buf, orig), testing::KilledBySignal(SIGABRT), "");
free(orig);
}
// zero sized target with longer source (should fail)
TEST(Fortify2_Clang_DeathTest, strcpy3_fortified) {
::testing::FLAGS_gtest_death_test_style = "threadsafe";
char buf[0];
char *orig = strdup("1");
ASSERT_EXIT(strcpy(buf, orig), testing::KilledBySignal(SIGABRT), "");
free(orig);
}
// one byte target with longer source (should fail)
TEST(Fortify2_Clang_DeathTest, strcpy4_fortified) {
::testing::FLAGS_gtest_death_test_style = "threadsafe";
char buf[1];
char *orig = strdup("12");
ASSERT_EXIT(strcpy(buf, orig), testing::KilledBySignal(SIGABRT), "");
free(orig);
}
TEST(Fortify2_Clang_DeathTest, strlen_fortified) {
::testing::FLAGS_gtest_death_test_style = "threadsafe";
char buf[10];
memcpy(buf, "0123456789", sizeof(buf));
ASSERT_EXIT(printf("%d", strlen(buf)), testing::KilledBySignal(SIGABRT), "");
}
TEST(Fortify2_Clang_DeathTest, strchr_fortified) {
::testing::FLAGS_gtest_death_test_style = "threadsafe";
char buf[10];
memcpy(buf, "0123456789", sizeof(buf));
ASSERT_EXIT(printf("%s", strchr(buf, 'a')), testing::KilledBySignal(SIGABRT), "");
}
TEST(Fortify2_Clang_DeathTest, strrchr_fortified) {
::testing::FLAGS_gtest_death_test_style = "threadsafe";
char buf[10];
memcpy(buf, "0123456789", sizeof(buf));
ASSERT_EXIT(printf("%s", strrchr(buf, 'a')), testing::KilledBySignal(SIGABRT), "");
}
#endif
TEST(Fortify2_Clang_DeathTest, strncat_fortified) {
::testing::FLAGS_gtest_death_test_style = "threadsafe";
char buf[10];
size_t n = atoi("10"); // avoid compiler optimizations
strncpy(buf, "012345678", n);
ASSERT_EXIT(strncat(buf, "9", n), testing::KilledBySignal(SIGABRT), "");
}
TEST(Fortify2_Clang_DeathTest, strncat2_fortified) {
::testing::FLAGS_gtest_death_test_style = "threadsafe";
char buf[10];
buf[0] = '\0';
size_t n = atoi("10"); // avoid compiler optimizations
ASSERT_EXIT(strncat(buf, "0123456789", n), testing::KilledBySignal(SIGABRT), "");
}
TEST(Fortify2_Clang_DeathTest, strcat_fortified) {
::testing::FLAGS_gtest_death_test_style = "threadsafe";
char src[11];
strcpy(src, "0123456789");
char buf[10];
buf[0] = '\0';
ASSERT_EXIT(strcat(buf, src), testing::KilledBySignal(SIGABRT), "");
}
TEST(Fortify2_Clang_DeathTest, memmove_fortified) {
::testing::FLAGS_gtest_death_test_style = "threadsafe";
char buf[20];
strcpy(buf, "0123456789");
size_t n = atoi("10");
ASSERT_EXIT(memmove(buf + 11, buf, n), testing::KilledBySignal(SIGABRT), "");
}
TEST(Fortify2_Clang_DeathTest, memcpy_fortified) {
::testing::FLAGS_gtest_death_test_style = "threadsafe";
char bufa[10];
char bufb[10];
strcpy(bufa, "012345678");
size_t n = atoi("11");
ASSERT_EXIT(memcpy(bufb, bufa, n), testing::KilledBySignal(SIGABRT), "");
}
TEST(Fortify2_Clang_DeathTest, strncpy_fortified) {
::testing::FLAGS_gtest_death_test_style = "threadsafe";
char bufa[15];
char bufb[10];
strcpy(bufa, "01234567890123");
size_t n = strlen(bufa);
ASSERT_EXIT(strncpy(bufb, bufa, n), testing::KilledBySignal(SIGABRT), "");
}
__BIONIC_FORTIFY_INLINE
size_t test_fortify2_inline(char* buf) {
return __bos(buf);
}
TEST(Fortify2_Clang, fortify_inline) {
char buf[1024];
// no-op. Prints nothing. Needed to prevent the compiler
// from optimizing out buf.
buf[0] = '\0';
printf("%s", buf);
ASSERT_EQ(sizeof(buf), test_fortify2_inline(buf));
}
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