Rename fortify_sprintf_warnings.cpp to fortify_compilation_test.cpp.
Bug: 19234260 Change-Id: Ife27ca13eeae317739eda25b40dd2a08606d6d6f
This commit is contained in:
Yabin Cui
232
tests/fortify_compilation_test.cpp
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232
tests/fortify_compilation_test.cpp
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/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#undef _FORTIFY_SOURCE
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#define _FORTIFY_SOURCE 2
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#include <fcntl.h>
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#include <netinet/in.h>
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#include <poll.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <string.h>
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#include <sys/socket.h>
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#include <sys/stat.h>
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#include <time.h>
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#include <unistd.h>
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void test_sprintf() {
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char buf[4];
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// NOLINTNEXTLINE(whitespace/line_length)
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// GCC: warning: call to int __builtin___sprintf_chk(char*, int, {{(long )?}}unsigned int, const char*, ...) will always overflow destination buffer
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// clang should emit a warning, but doesn't
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sprintf(buf, "foobar"); // NOLINT(runtime/printf)
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// NOLINTNEXTLINE(whitespace/line_length)
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// GCC: warning: call to int __builtin___sprintf_chk(char*, int, {{(long )?}}unsigned int, const char*, ...) will always overflow destination buffer
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// clang should emit a warning, but doesn't
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sprintf(buf, "%s", "foobar"); // NOLINT(runtime/printf)
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}
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void test_snprintf() {
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char buf[4];
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// NOLINTNEXTLINE(whitespace/line_length)
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// GCC: warning: call to int __builtin___snprintf_chk(char*, {{(long )?}}unsigned int, int, {{(long )?}}unsigned int, const char*, ...) will always overflow destination buffer
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// clang should emit a warning, but doesn't
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snprintf(buf, 5, "foobar"); // NOLINT(runtime/printf)
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// NOLINTNEXTLINE(whitespace/line_length)
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// GCC: warning: call to int __builtin___snprintf_chk(char*, {{(long )?}}unsigned int, int, {{(long )?}}unsigned int, const char*, ...) will always overflow destination buffer
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// clang should emit a warning, but doesn't
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snprintf(buf, 5, "%s", "foobar"); // NOLINT(runtime/printf)
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// NOLINTNEXTLINE(whitespace/line_length)
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// GCC: warning: call to int __builtin___snprintf_chk(char*, {{(long )?}}unsigned int, int, {{(long )?}}unsigned int, const char*, ...) will always overflow destination buffer
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// clang should emit a warning, but doesn't
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snprintf(buf, 5, " %s ", "foobar"); // NOLINT(runtime/printf)
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// NOLINTNEXTLINE(whitespace/line_length)
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// GCC: warning: call to int __builtin___snprintf_chk(char*, {{(long )?}}unsigned int, int, {{(long )?}}unsigned int, const char*, ...) will always overflow destination buffer
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// clang should emit a warning, but doesn't
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snprintf(buf, 5, "%d", 100000); // NOLINT(runtime/printf)
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}
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void test_memcpy() {
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char buf[4];
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// NOLINTNEXTLINE(whitespace/line_length)
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// GCC: warning: call to void* __builtin___memcpy_chk(void*, const void*, {{(long )?}}unsigned int, {{(long )?}}unsigned int) will always overflow destination buffer
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// clang should emit a warning, but doesn't
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memcpy(buf, "foobar", sizeof("foobar"));
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}
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void test_memmove() {
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char buf[4];
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// NOLINTNEXTLINE(whitespace/line_length)
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// GCC: warning: call to void* __builtin___memmove_chk(void*, const void*, {{(long )?}}unsigned int, {{(long )?}}unsigned int) will always overflow destination buffer
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// clang should emit a warning, but doesn't
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memmove(buf, "foobar", sizeof("foobar"));
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}
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void test_memset() {
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char buf[4];
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// NOLINTNEXTLINE(whitespace/line_length)
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// GCC: warning: call to void* __builtin___memset_chk(void*, int, {{(long )?}}unsigned int, {{(long )?}}unsigned int) will always overflow destination buffer
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// clang should emit a warning, but doesn't
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memset(buf, 0, 6);
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}
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void test_strcpy() {
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char buf[4];
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// NOLINTNEXTLINE(whitespace/line_length)
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// GCC: warning: call to {{(char\* __builtin___strcpy_chk\(char\*, const char\*, unsigned int\))|(void\* __builtin___memcpy_chk\(void\*, const void\*, (long )?unsigned int, (long )?unsigned int\))}} will always overflow destination buffer
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// clang should emit a warning, but doesn't
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strcpy(buf, "foobar"); // NOLINT(runtime/printf)
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}
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void test_stpcpy() {
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char buf[4];
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// NOLINTNEXTLINE(whitespace/line_length)
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// GCC: warning: call to char* __builtin___stpcpy_chk(char*, const char*, {{(long )?}}unsigned int) will always overflow destination buffer
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// clang should emit a warning, but doesn't
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stpcpy(buf, "foobar");
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}
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void test_strncpy() {
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char buf[4];
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// NOLINTNEXTLINE(whitespace/line_length)
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// GCC: warning: call to char* __builtin___strncpy_chk(char*, const char*, {{(long )?}}unsigned int, {{(long )?}}unsigned int) will always overflow destination buffer
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// clang should emit a warning, but doesn't
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strncpy(buf, "foobar", sizeof("foobar"));
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}
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void test_strcat() {
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char buf[4] = "";
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// NOLINTNEXTLINE(whitespace/line_length)
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// GCC: warning: call to {{(char\* __builtin___strcat_chk\(char\*, const char\*, unsigned int\))|(void\* __builtin___memcpy_chk\(void\*, const void\*, (long )?unsigned int, (long )?unsigned int\))}} will always overflow destination buffer
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// clang should emit a warning, but doesn't
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strcat(buf, "foobar"); // NOLINT(runtime/printf)
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}
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void test_strncat() {
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char buf[4] = "";
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// NOLINTNEXTLINE(whitespace/line_length)
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// GCC: warning: call to {{(char\* __builtin___strcat_chk\(char\*, const char\*, unsigned int\))|(void\* __builtin___memcpy_chk\(void\*, const void\*, (long )?unsigned int, (long )?unsigned int\))}} will always overflow destination buffer
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// gcc output warning with __builtin___strcat_chk for __builtin___strncat_chk.
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// clang should emit a warning, but doesn't
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strncat(buf, "foobar", sizeof("foobar"));
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}
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void test_vsprintf(const char* fmt, ...) {
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va_list va;
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char buf[4];
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va_start(va, fmt);
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// NOLINTNEXTLINE(whitespace/line_length)
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// GCC: warning: call to int __builtin___vsprintf_chk(char*, int, {{(long )?}}unsigned int, const char*, {{(__va_list)|(void\*)|(char\*)|(__va_list_tag\*)}}) will always overflow destination buffer
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// clang should emit a warning, but doesn't
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vsprintf(buf, "foobar", va);
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va_end(va);
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}
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void test_vsnprintf(const char* fmt, ...) {
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va_list va;
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char buf[4];
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va_start(va, fmt);
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// NOLINTNEXTLINE(whitespace/line_length)
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// GCC: warning: call to int __builtin___vsnprintf_chk(char*, {{(long )?}}unsigned int, int, {{(long )?}}unsigned int, const char*, {{(__va_list)|(void\*)|(char\*)|(__va_list_tag\*)}}) will always overflow destination buffer
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// clang should emit a warning, but doesn't
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vsnprintf(buf, 5, "foobar", va); // NOLINT(runtime/printf)
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va_end(va);
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}
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void test_fgets() {
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char buf[4];
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// NOLINTNEXTLINE(whitespace/line_length)
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// GCC: error: call to '__fgets_too_small_error' declared with attribute error: fgets called with size less than zero
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// clang should emit a warning, but doesn't
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fgets(buf, -1, stdin);
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// NOLINTNEXTLINE(whitespace/line_length)
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// GCC: error: call to '__fgets_too_big_error' declared with attribute error: fgets called with size bigger than buffer
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// clang should emit a warning, but doesn't
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fgets(buf, 6, stdin);
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}
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void test_recvfrom() {
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char buf[4];
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sockaddr_in addr;
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// NOLINTNEXTLINE(whitespace/line_length)
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// GCC: error: call to '__recvfrom_error' declared with attribute error: recvfrom called with size bigger than buffer
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// clang should emit a warning, but doesn't
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recvfrom(0, buf, 6, 0, reinterpret_cast<sockaddr*>(&addr), NULL);
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}
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void test_umask() {
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// NOLINTNEXTLINE(whitespace/line_length)
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// GCC: error: call to '__umask_invalid_mode' declared with attribute error: umask called with invalid mode
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// clang should emit a warning, but doesn't
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umask(01777);
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}
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void test_read() {
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char buf[4];
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// NOLINTNEXTLINE(whitespace/line_length)
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// GCC: error: call to '__read_dest_size_error' declared with attribute error: read called with size bigger than destination
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// clang should emit a warning, but doesn't
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read(0, buf, 6);
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}
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void test_open() {
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// NOLINTNEXTLINE(whitespace/line_length)
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// GCC: error: call to '__creat_missing_mode' declared with attribute error: called with O_CREAT, but missing mode
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// clang should emit a warning, but doesn't
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open("/dev/null", O_CREAT);
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// NOLINTNEXTLINE(whitespace/line_length)
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// GCC: error: call to '__creat_too_many_args' declared with attribute error: too many arguments
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// clang should emit a warning, but doesn't
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open("/dev/null", O_CREAT, 0, 0);
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}
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void test_poll() {
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pollfd fds[1];
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// NOLINTNEXTLINE(whitespace/line_length)
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// GCC: error: call to '__poll_too_small_error' declared with attribute error: poll: pollfd array smaller than fd count
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// clang should emit a warning, but doesn't
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poll(fds, 2, 0);
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}
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void test_ppoll() {
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pollfd fds[1];
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timespec timeout;
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// NOLINTNEXTLINE(whitespace/line_length)
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// GCC: error: call to '__ppoll_too_small_error' declared with attribute error: ppoll: pollfd array smaller than fd count
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// clang should emit a warning, but doesn't
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ppoll(fds, 2, &timeout, NULL);
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}
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