forked from OSchip/llvm-project
105 lines
3.5 KiB
C++
105 lines
3.5 KiB
C++
//===-- sanitizer_ioctl_test.cc -------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// Tests for ioctl interceptor implementation in sanitizer_common.
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//
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//===----------------------------------------------------------------------===//
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#include "sanitizer_common/sanitizer_platform.h"
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#if SANITIZER_LINUX
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#include <linux/input.h>
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#include <vector>
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#include "interception/interception.h"
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#include "sanitizer_test_utils.h"
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#include "sanitizer_common/sanitizer_platform_limits_posix.h"
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#include "sanitizer_common/sanitizer_common.h"
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#include "gtest/gtest.h"
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using namespace __sanitizer;
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#define COMMON_INTERCEPTOR_READ_RANGE(ctx, ptr, sz) \
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do { \
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(void) ctx; \
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(void) ptr; \
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(void) sz; \
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} while (0)
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#define COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ptr, sz) \
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do { \
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(void) ctx; \
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(void) ptr; \
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(void) sz; \
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} while (0)
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#include "sanitizer_common/sanitizer_common_interceptors_ioctl.inc"
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static struct IoctlInit {
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IoctlInit() {
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ioctl_init();
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// Avoid unused function warnings.
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(void)&ioctl_common_pre;
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(void)&ioctl_common_post;
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(void)&ioctl_decode;
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}
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} ioctl_static_initializer;
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TEST(SanitizerIoctl, Fixup) {
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EXPECT_EQ((unsigned)FIONBIO, ioctl_request_fixup(FIONBIO));
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EXPECT_EQ(EVIOCGBIT(0, 0), ioctl_request_fixup(EVIOCGBIT(0, 16)));
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EXPECT_EQ(EVIOCGBIT(0, 0), ioctl_request_fixup(EVIOCGBIT(1, 16)));
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EXPECT_EQ(EVIOCGBIT(0, 0), ioctl_request_fixup(EVIOCGBIT(1, 17)));
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EXPECT_EQ(EVIOCGBIT(0, 0), ioctl_request_fixup(EVIOCGBIT(31, 16)));
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EXPECT_NE(EVIOCGBIT(0, 0), ioctl_request_fixup(EVIOCGBIT(32, 16)));
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EXPECT_EQ(EVIOCGABS(0), ioctl_request_fixup(EVIOCGABS(0)));
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EXPECT_EQ(EVIOCGABS(0), ioctl_request_fixup(EVIOCGABS(5)));
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EXPECT_EQ(EVIOCGABS(0), ioctl_request_fixup(EVIOCGABS(63)));
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EXPECT_NE(EVIOCGABS(0), ioctl_request_fixup(EVIOCGABS(64)));
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EXPECT_EQ(EVIOCSABS(0), ioctl_request_fixup(EVIOCSABS(0)));
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EXPECT_EQ(EVIOCSABS(0), ioctl_request_fixup(EVIOCSABS(5)));
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EXPECT_EQ(EVIOCSABS(0), ioctl_request_fixup(EVIOCSABS(63)));
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EXPECT_NE(EVIOCSABS(0), ioctl_request_fixup(EVIOCSABS(64)));
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const ioctl_desc *desc = ioctl_lookup(EVIOCGKEY(16));
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EXPECT_NE((void *)0, desc);
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EXPECT_EQ(EVIOCGKEY(0), desc->req);
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}
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// Test decoding KVM ioctl numbers.
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TEST(SanitizerIoctl, KVM_GET_MP_STATE) {
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ioctl_desc desc;
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unsigned int desc_value = SANITIZER_MIPS ? 0x4004ae98U : 0x8004ae98U;
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bool res = ioctl_decode(desc_value, &desc);
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EXPECT_TRUE(res);
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EXPECT_EQ(ioctl_desc::WRITE, desc.type);
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EXPECT_EQ(4U, desc.size);
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}
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TEST(SanitizerIoctl, KVM_GET_LAPIC) {
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ioctl_desc desc;
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unsigned int desc_value = SANITIZER_MIPS ? 0x4400ae8eU : 0x8400ae8eU;
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bool res = ioctl_decode(desc_value, &desc);
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EXPECT_TRUE(res);
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EXPECT_EQ(ioctl_desc::WRITE, desc.type);
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EXPECT_EQ(1024U, desc.size);
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}
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TEST(SanitizerIoctl, KVM_GET_MSR_INDEX_LIST) {
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ioctl_desc desc;
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bool res = ioctl_decode(0xc004ae02U, &desc);
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EXPECT_TRUE(res);
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EXPECT_EQ(ioctl_desc::READWRITE, desc.type);
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EXPECT_EQ(4U, desc.size);
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}
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#endif // SANITIZER_LINUX
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