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Code Issues 3 Packages Projects Releases Wiki Activity

Recover damaged headers.

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This commit is contained in:
Natalia Portillo
2026-04-11 21:27:25 +01:00
parent 6f7cfbdf5e
commit 640ec68146
2 changed files with 71 additions and 5 deletions
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20
tests/erasure_coding.cpp
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@@ -355,3 +355,23 @@ TEST_F(ErasureCodingTest, RecoverWithXOR_M1)
ASSERT_TRUE(success) << "XOR recovery failed";
EXPECT_EQ(read_crc, golden_crc);
}
/**
* @test Corrupt the primary header (first 128 bytes), verify backup header from recovery footer is used.
*/
TEST_F(ErasureCodingTest, BackupHeaderRecovery)
{
uint64_t golden_crc = 0;
ASSERT_TRUE(create_ec_image("data/mf2hd.aif", "ec_test_output.aif", 4, 2, &golden_crc));
ASSERT_TRUE(copy_file("ec_test_output.aif", "ec_test_corrupt.aif"));
/* Corrupt the first 64 bytes of the file (part of AaruHeaderV2, including the magic) */
corrupt_file("ec_test_corrupt.aif", 0, 64);
/* Open should succeed using the backup header from the recovery footer */
bool success = false;
uint64_t read_crc = compute_image_crc("ec_test_corrupt.aif", &success);
ASSERT_TRUE(success) << "Backup header recovery failed — could not open/read corrupted image";
EXPECT_EQ(read_crc, golden_crc) << "CRC mismatch after backup header recovery";
}