| // Copyright 2014 The Android Open Source Project |
| // |
| // This software is licensed under the terms of the GNU General Public |
| // License version 2, as published by the Free Software Foundation, and |
| // may be copied, distributed, and modified under those terms. |
| // |
| // This program is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| |
| #include "android/kernel/kernel_utils.h" |
| |
| #include "android/kernel/kernel_utils_testing.h" |
| |
| #include <gtest/gtest.h> |
| |
| namespace android { |
| namespace kernel { |
| |
| TEST(KernelUtils, GetKernelSerialDevicePrefix) { |
| EXPECT_STREQ("ttyS", |
| android_kernelSerialDevicePrefix(KERNEL_VERSION_2_6_29)); |
| EXPECT_STREQ("ttyS", |
| android_kernelSerialDevicePrefix(KERNEL_VERSION_3_4_0)); |
| EXPECT_STREQ("ttyS", |
| android_kernelSerialDevicePrefix(KERNEL_VERSION_3_4_67)); |
| EXPECT_STREQ("ttyGF", |
| android_kernelSerialDevicePrefix(KERNEL_VERSION_3_10_0)); |
| } |
| |
| TEST(KernelUtils, ProbeKernelVersionString) { |
| // you can regenerate these tables using |
| // android/kernel/testing/print_mock_kernel_data.sh |
| |
| const char kMockKernelVersion[] = |
| "Linux version 3.10.0+ (vharron@tifa.mtv.corp.google.com) " |
| "(gcc version 4.7 (GCC) ) #1 PREEMPT Sat Jan 5 2:45:24 PDT 2008\n"; |
| |
| // a mock uncompressed kernel |
| // ELF header, followed by an unspecified number of bytes |
| // followed by a 'Linux version ' string |
| static const unsigned char kMockKernelElf[] = { |
| 0x7f, 0x45, 0x4c, 0x46, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, |
| 0x38, 0x39, 0x4c, 0x69, 0x6e, 0x75, 0x78, 0x20, 0x76, 0x65, 0x72, 0x73, |
| 0x69, 0x6f, 0x6e, 0x20, 0x33, 0x2e, 0x31, 0x30, 0x2e, 0x30, 0x2b, 0x20, |
| 0x28, 0x76, 0x68, 0x61, 0x72, 0x72, 0x6f, 0x6e, 0x40, 0x74, 0x69, 0x66, |
| 0x61, 0x2e, 0x6d, 0x74, 0x76, 0x2e, 0x63, 0x6f, 0x72, 0x70, 0x2e, 0x67, |
| 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x63, 0x6f, 0x6d, 0x29, 0x20, 0x28, |
| 0x67, 0x63, 0x63, 0x20, 0x76, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x20, |
| 0x34, 0x2e, 0x37, 0x20, 0x28, 0x47, 0x43, 0x43, 0x29, 0x20, 0x29, 0x20, |
| 0x23, 0x31, 0x20, 0x50, 0x52, 0x45, 0x45, 0x4d, 0x50, 0x54, 0x20, 0x53, |
| 0x61, 0x74, 0x20, 0x4a, 0x61, 0x6e, 0x20, 0x35, 0x20, 0x32, 0x3a, 0x34, |
| 0x35, 0x3a, 0x32, 0x34, 0x20, 0x50, 0x44, 0x54, 0x20, 0x32, 0x30, 0x30, |
| 0x38, 0x0a, 0x00, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39 |
| }; |
| |
| // a mock uncompressed kernel without version string |
| // ELF header, followed by an unspecified number of bytes |
| static const unsigned char kMockKernelElfNoString[] = { |
| 0x7f, 0x45, 0x4c, 0x46, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, |
| 0x38, 0x39, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, |
| 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x30, 0x31, |
| 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39 |
| }; |
| |
| // a mock compressed kernel |
| // an unspecified number of bytes, followed by a gzip header |
| // gzip stream starts 10 bytes after gzip header, uncompressed gzip stream |
| // begins with an ELF header as above |
| static const unsigned char kMockKernelGzip[] = { |
| 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x1f, 0x8b, |
| 0x08, 0x00, 0x24, 0xc7, 0xc6, 0x53, 0x00, 0x03, 0xab, 0x77, 0xf5, 0x71, |
| 0x33, 0x30, 0x34, 0x32, 0x36, 0x31, 0x35, 0x33, 0xb7, 0xb0, 0xf4, 0xc9, |
| 0xcc, 0x2b, 0xad, 0x50, 0x28, 0x4b, 0x2d, 0x2a, 0xce, 0xcc, 0xcf, 0x53, |
| 0x30, 0xd6, 0x33, 0x34, 0xd0, 0x33, 0xd0, 0x56, 0xd0, 0x28, 0xcb, 0x48, |
| 0x2c, 0x2a, 0xca, 0xcf, 0x73, 0x28, 0xc9, 0x4c, 0x4b, 0xd4, 0xcb, 0x2d, |
| 0x29, 0xd3, 0x4b, 0xce, 0x2f, 0x2a, 0xd0, 0x4b, 0xcf, 0xcf, 0x4f, 0xcf, |
| 0x49, 0x05, 0xb2, 0x73, 0x35, 0x15, 0x34, 0xd2, 0x93, 0x93, 0xe1, 0xfa, |
| 0x4c, 0xf4, 0xcc, 0x15, 0x34, 0xdc, 0x9d, 0x9d, 0x35, 0x15, 0x34, 0x15, |
| 0x94, 0x0d, 0x15, 0x02, 0x82, 0x5c, 0x5d, 0x7d, 0x03, 0x42, 0x14, 0x82, |
| 0x13, 0x4b, 0x14, 0xbc, 0x12, 0xf3, 0x14, 0x4c, 0x15, 0x8c, 0xac, 0x4c, |
| 0x4c, 0xad, 0x8c, 0x4c, 0x14, 0x02, 0x5c, 0x42, 0x14, 0x8c, 0x0c, 0x0c, |
| 0x2c, 0xb8, 0x18, 0xe0, 0x2e, 0x00, 0x00, 0xd3, 0x6e, 0x68, 0xa6, 0x90, |
| 0x00, 0x00, 0x00 |
| }; |
| |
| // a mock semi-compressed kernel |
| // an unspecified number of bytes, followed by a version string, |
| // followed by a gzip header |
| static const unsigned char kMockKernelSemiCompressed[] = { |
| 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x39, 0x61, |
| 0x62, 0x63, 0x64, 0x65, 0x66, 0x4c, 0x69, 0x6e, 0x75, 0x78, 0x20, 0x76, |
| 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x20, 0x33, 0x2e, 0x31, 0x30, 0x2e, |
| 0x30, 0x2b, 0x20, 0x28, 0x76, 0x68, 0x61, 0x72, 0x72, 0x6f, 0x6e, 0x40, |
| 0x74, 0x69, 0x66, 0x61, 0x2e, 0x6d, 0x74, 0x76, 0x2e, 0x63, 0x6f, 0x72, |
| 0x70, 0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x63, 0x6f, 0x6d, |
| 0x29, 0x20, 0x28, 0x67, 0x63, 0x63, 0x20, 0x76, 0x65, 0x72, 0x73, 0x69, |
| 0x6f, 0x6e, 0x20, 0x34, 0x2e, 0x37, 0x20, 0x28, 0x47, 0x43, 0x43, 0x29, |
| 0x20, 0x29, 0x20, 0x23, 0x31, 0x20, 0x50, 0x52, 0x45, 0x45, 0x4d, 0x50, |
| 0x54, 0x20, 0x53, 0x61, 0x74, 0x20, 0x4a, 0x61, 0x6e, 0x20, 0x35, 0x20, |
| 0x32, 0x3a, 0x34, 0x35, 0x3a, 0x32, 0x34, 0x20, 0x50, 0x44, 0x54, 0x20, |
| 0x32, 0x30, 0x30, 0x38, 0x0a, 0x00, 0x31, 0x32, 0x33, 0x34, 0x35, 0x35, |
| 0x37, 0x38, 0x39, 0x1f, 0x8b, 0x08, 0x00, 0x3e, 0xa9, 0xc7, 0x53, 0x00, |
| 0x03, 0x0b, 0xf7, 0x70, 0x0c, 0x71, 0x0d, 0x73, 0x0d, 0x02, 0x00, 0xff, |
| 0xdf, 0x22, 0x88, 0x08, 0x00, 0x00, 0x00 |
| }; |
| |
| char kernelVersionString[256]; |
| |
| kernelVersionString[0] = 0; |
| EXPECT_EQ(true, android_imageProbeKernelVersionString( |
| kMockKernelElf, |
| sizeof(kMockKernelElf), |
| kernelVersionString, |
| sizeof(kernelVersionString))); |
| EXPECT_STREQ(kMockKernelVersion, kernelVersionString); |
| |
| kernelVersionString[0] = 0; |
| EXPECT_EQ(true, android_imageProbeKernelVersionString( |
| kMockKernelGzip, |
| sizeof(kMockKernelGzip), |
| kernelVersionString, |
| sizeof(kernelVersionString))); |
| EXPECT_STREQ(kMockKernelVersion, kernelVersionString); |
| |
| kernelVersionString[0] = 0; |
| EXPECT_EQ(true, android_imageProbeKernelVersionString( |
| kMockKernelSemiCompressed, |
| sizeof(kMockKernelSemiCompressed), |
| kernelVersionString, |
| sizeof(kernelVersionString))); |
| EXPECT_STREQ(kMockKernelVersion, kernelVersionString); |
| |
| kernelVersionString[0] = 127; |
| EXPECT_FALSE(android_imageProbeKernelVersionString( |
| 0, |
| 0, |
| kernelVersionString, |
| sizeof(kernelVersionString))); |
| EXPECT_EQ(127, kernelVersionString[0]); |
| |
| kernelVersionString[0] = 127; |
| EXPECT_FALSE(android_imageProbeKernelVersionString( |
| kMockKernelElfNoString, |
| sizeof(kMockKernelElfNoString), |
| kernelVersionString, |
| sizeof(kernelVersionString))); |
| EXPECT_EQ(127, kernelVersionString[0]); |
| } |
| |
| void ParseKernelVersionString(const char* versionString, |
| KernelVersion expectedVersion) { |
| KernelVersion actualVersion; |
| EXPECT_EQ(true, android_parseLinuxVersionString(versionString, |
| &actualVersion)); |
| EXPECT_EQ(expectedVersion, actualVersion); |
| } |
| |
| TEST(KernelUtils, ParseKernelVersionString) { |
| ParseKernelVersionString("Linux version 2.6.29-gea477bb (kroo...\n", |
| KERNEL_VERSION_2_6_29); |
| |
| ParseKernelVersionString("Linux version 2.6.29 (vcht...\n", |
| KERNEL_VERSION_2_6_29); |
| |
| ParseKernelVersionString("Linux version 3.4.0-66985-gb04946b (digi...\n", |
| KERNEL_VERSION_3_4_0); |
| |
| ParseKernelVersionString("Linux version 3.4.67+ (ghac...\n", |
| KERNEL_VERSION_3_4_67 ); |
| |
| ParseKernelVersionString("Linux version 3.4.67-01413-g9ac497f (ghac...\n", |
| KERNEL_VERSION_3_4_67); |
| |
| ParseKernelVersionString("Linux version 3.10.0+ (ghac...\n", |
| KERNEL_VERSION_3_10_0); |
| } |
| |
| } // namespace kernel |
| } // namespace android |
