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Diffstat (limited to 'test/libapt/hashsums_test.cc')
| -rw-r--r-- | test/libapt/hashsums_test.cc | 392 |
1 files changed, 392 insertions, 0 deletions
diff --git a/test/libapt/hashsums_test.cc b/test/libapt/hashsums_test.cc new file mode 100644 index 0000000..eede213 --- /dev/null +++ b/test/libapt/hashsums_test.cc @@ -0,0 +1,392 @@ +#include <config.h> + +#include <apt-pkg/configuration.h> +#include <apt-pkg/fileutl.h> +#include <apt-pkg/hashes.h> +#include <apt-pkg/md5.h> +#include <apt-pkg/sha1.h> +#include <apt-pkg/sha2.h> +#include <apt-pkg/strutl.h> + +#include <iostream> +#include <string> +#include <stdlib.h> + +#include <gtest/gtest.h> + +#include "file-helpers.h" + +template <class T> void Test(const char *In,const char *Out) +{ + T Sum; + Sum.Add(In); + equals(Sum.Result().Value(), Out); +} + + + +TEST(HashSumsTest,SummationStrings) +{ +#define EXPECT_SUM(Summation, In, Out) \ + { \ + Summation Sum; \ + Sum.Add(In); \ + EXPECT_EQ(Sum.Result().Value(), Out) << #Summation << " for '" << In << "'"; \ + } + + // From FIPS PUB 180-1 + EXPECT_SUM(SHA1Summation, "","da39a3ee5e6b4b0d3255bfef95601890afd80709"); + EXPECT_SUM(SHA1Summation, "abc","a9993e364706816aba3e25717850c26c9cd0d89d"); + EXPECT_SUM(SHA1Summation, "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq", + "84983e441c3bd26ebaae4aa1f95129e5e54670f1"); + + // MD5 tests from RFC 1321 + EXPECT_SUM(MD5Summation, "","d41d8cd98f00b204e9800998ecf8427e"); + EXPECT_SUM(MD5Summation, "a","0cc175b9c0f1b6a831c399e269772661"); + EXPECT_SUM(MD5Summation, "abc","900150983cd24fb0d6963f7d28e17f72"); + EXPECT_SUM(MD5Summation, "message digest","f96b697d7cb7938d525a2f31aaf161d0"); + EXPECT_SUM(MD5Summation, "abcdefghijklmnopqrstuvwxyz","c3fcd3d76192e4007dfb496cca67e13b"); + EXPECT_SUM(MD5Summation, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789", + "d174ab98d277d9f5a5611c2c9f419d9f"); + EXPECT_SUM(MD5Summation, "12345678901234567890123456789012345678901234567890123456789012345678901234567890", + "57edf4a22be3c955ac49da2e2107b67a"); + + // SHA-256, From FIPS 180-2 + EXPECT_SUM(SHA256Summation, "", "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"); + EXPECT_SUM(SHA256Summation, "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq", + "248d6a61d20638b8e5c026930c3e6039a33ce45964ff2167f6ecedd419db06c1"); + + // SHA-512 + EXPECT_SUM(SHA512Summation, "", + "cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce" + "47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e"); + EXPECT_SUM(SHA512Summation, "abc", + "ddaf35a193617abacc417349ae20413112e6fa4e89a97ea20a9eeee64b55d39a" + "2192992a274fc1a836ba3c23a3feebbd454d4423643ce80e2a9ac94fa54ca49f"); + + + EXPECT_SUM(MD5Summation, "The quick brown fox jumps over the lazy dog", "9e107d9d372bb6826bd81d3542a419d6"); + EXPECT_SUM(MD5Summation, "The quick brown fox jumps over the lazy dog.", "e4d909c290d0fb1ca068ffaddf22cbd0"); + EXPECT_SUM(SHA1Summation, "The quick brown fox jumps over the lazy dog", "2fd4e1c67a2d28fced849ee1bb76e7391b93eb12"); + EXPECT_SUM(SHA1Summation, "The quick brown fox jumps over the lazy cog", "de9f2c7fd25e1b3afad3e85a0bd17d9b100db4b3"); + EXPECT_SUM(SHA256Summation, "The quick brown fox jumps over the lazy dog", "d7a8fbb307d7809469ca9abcb0082e4f8d5651e46d3cdb762d02d0bf37c9e592"); + EXPECT_SUM(SHA256Summation, "The quick brown fox jumps over the lazy dog.", "ef537f25c895bfa782526529a9b63d97aa631564d5d789c2b765448c8635fb6c"); + EXPECT_SUM(SHA512Summation, "The quick brown fox jumps over the lazy dog", "07e547d9586f6a73f73fbac0435ed76951218fb7d0c8d788a309d785436bbb64" + "2e93a252a954f23912547d1e8a3b5ed6e1bfd7097821233fa0538f3db854fee6"); + EXPECT_SUM(SHA512Summation, "The quick brown fox jumps over the lazy dog.", "91ea1245f20d46ae9a037a989f54f1f790f0a47607eeb8a14d12890cea77a1bb" + "c6c7ed9cf205e67b7f2b8fd4c7dfd3a7a8617e45f3c463d481c7e586c39ac1ed"); + +#undef EXPECT_SUM +} +TEST(HashSumsTest, Mill) +{ + SHA1Summation Sum1; + + const unsigned char As[] = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"; + size_t const AsCount = sizeof(As)/sizeof(As[0]) - 1; + size_t Count = 1000000; + while (Count != 0) + { + if (Count >= AsCount) + { + Sum1.Add(As, AsCount); + Count -= AsCount; + } + else + { + Sum1.Add(As,Count); + Count = 0; + } + } + + EXPECT_EQ("34aa973cd4c4daa4f61eeb2bdbad27316534016f", Sum1.Result().Value()); +} + +static void getSummationString(char const * const type, std::string &sum) +{ + /* to compare our result with an independent source we call the specific binaries + and read their result back. We do this with a little trick by claiming that the + summation is a compressor – and open the 'compressed' file later on directly to + read out the summation sum calculated by it */ + APT::Configuration::Compressor compress(type, ".ext", type, NULL, NULL, 99); + std::string name("apt-test-"); + name.append("hashsums").append(".XXXXXX"); + char * tempfile = strdup(name.c_str()); + int tempfile_fd = mkstemp(tempfile); + close(tempfile_fd); + ASSERT_NE(-1, tempfile_fd); + + FileFd fd; + ASSERT_TRUE(fd.Open(tempfile, FileFd::WriteOnly | FileFd::Empty, compress)); + ASSERT_TRUE(fd.IsOpen()); + FileFd input("/etc/os-release", FileFd::ReadOnly); + ASSERT_TRUE(input.IsOpen()); + ASSERT_NE(0u, input.FileSize()); + ASSERT_TRUE(CopyFile(input, fd)); + ASSERT_TRUE(input.IsOpen()); + ASSERT_TRUE(fd.IsOpen()); + ASSERT_FALSE(fd.Failed()); + input.Close(); + fd.Close(); + ASSERT_TRUE(fd.Open(tempfile, FileFd::ReadOnly, FileFd::None)); + ASSERT_TRUE(fd.IsOpen()); + ASSERT_NE(0u, fd.FileSize()); + ASSERT_FALSE(fd.Failed()); + unlink(tempfile); + free(tempfile); + char readback[2000]; + unsigned long long actual; + ASSERT_TRUE(fd.Read(readback, sizeof(readback)/sizeof(readback[0]), &actual)); + actual -= 4; + readback[actual] = '\0'; + sum = readback; +} +TEST(HashSumsTest, FileBased) +{ + std::string summation; + + getSummationString("md5sum", summation); + MD5SumValue md5(summation); + EXPECT_EQ(md5.Value(), summation); + + getSummationString("sha1sum", summation); + SHA1SumValue sha1(summation); + EXPECT_EQ(sha1.Value(), summation); + + getSummationString("sha256sum", summation); + SHA256SumValue sha256(summation); + EXPECT_EQ(sha256.Value(), summation); + + getSummationString("sha512sum", summation); + SHA512SumValue sha512(summation); + EXPECT_EQ(sha512.Value(), summation); + + FileFd fd("/etc/os-release", FileFd::ReadOnly); + EXPECT_TRUE(fd.IsOpen()); + std::string FileSize; + strprintf(FileSize, "%llu", fd.FileSize()); + + { + Hashes hashes; + hashes.AddFD(fd.Fd()); + HashStringList list = hashes.GetHashStringList(); + EXPECT_FALSE(list.empty()); + EXPECT_EQ(5u, list.size()); + EXPECT_EQ(md5.Value(), list.find("MD5Sum")->HashValue()); + EXPECT_EQ(sha1.Value(), list.find("SHA1")->HashValue()); + EXPECT_EQ(sha256.Value(), list.find("SHA256")->HashValue()); + EXPECT_EQ(sha512.Value(), list.find("SHA512")->HashValue()); + EXPECT_EQ(FileSize, list.find("Checksum-FileSize")->HashValue()); + } + unsigned long long sz = fd.FileSize(); + fd.Seek(0); + { + Hashes hashes; + hashes.AddFD(fd.Fd(), sz); + HashStringList list = hashes.GetHashStringList(); + EXPECT_FALSE(list.empty()); + EXPECT_EQ(5u, list.size()); + EXPECT_EQ(md5.Value(), list.find("MD5Sum")->HashValue()); + EXPECT_EQ(sha1.Value(), list.find("SHA1")->HashValue()); + EXPECT_EQ(sha256.Value(), list.find("SHA256")->HashValue()); + EXPECT_EQ(sha512.Value(), list.find("SHA512")->HashValue()); + EXPECT_EQ(FileSize, list.find("Checksum-FileSize")->HashValue()); + } + fd.Seek(0); + { + Hashes hashes(Hashes::MD5SUM | Hashes::SHA512SUM); + hashes.AddFD(fd); + HashStringList list = hashes.GetHashStringList(); + EXPECT_FALSE(list.empty()); + EXPECT_EQ(3u, list.size()); + EXPECT_EQ(md5.Value(), list.find("MD5Sum")->HashValue()); + EXPECT_EQ(NULL, list.find("SHA1")); + EXPECT_EQ(NULL, list.find("SHA256")); + EXPECT_EQ(sha512.Value(), list.find("SHA512")->HashValue()); + EXPECT_EQ(FileSize, list.find("Checksum-FileSize")->HashValue()); + fd.Seek(0); + Hashes hashes2(list); + hashes2.AddFD(fd); + list = hashes2.GetHashStringList(); + EXPECT_FALSE(list.empty()); + EXPECT_EQ(3u, list.size()); + EXPECT_EQ(md5.Value(), list.find("MD5Sum")->HashValue()); + EXPECT_EQ(NULL, list.find("SHA1")); + EXPECT_EQ(NULL, list.find("SHA256")); + EXPECT_EQ(sha512.Value(), list.find("SHA512")->HashValue()); + EXPECT_EQ(FileSize, list.find("Checksum-FileSize")->HashValue()); + } + fd.Seek(0); + { + MD5Summation MD5; + MD5.AddFD(fd.Fd()); + EXPECT_EQ(md5.Value(), MD5.Result().Value()); + } + fd.Seek(0); + { + SHA1Summation SHA1; + SHA1.AddFD(fd.Fd()); + EXPECT_EQ(sha1.Value(), SHA1.Result().Value()); + } + fd.Seek(0); + { + SHA256Summation SHA2; + SHA2.AddFD(fd.Fd()); + EXPECT_EQ(sha256.Value(), SHA2.Result().Value()); + } + fd.Seek(0); + { + SHA512Summation SHA2; + SHA2.AddFD(fd.Fd()); + EXPECT_EQ(sha512.Value(), SHA2.Result().Value()); + } + fd.Close(); + + HashString sha2file("SHA512", sha512.Value()); + EXPECT_TRUE(sha2file.VerifyFile("/etc/os-release")); + HashString sha2wrong("SHA512", "00000000000"); + EXPECT_FALSE(sha2wrong.VerifyFile("/etc/os-release")); + EXPECT_EQ(sha2file, sha2file); + EXPECT_TRUE(sha2file == sha2file); + EXPECT_NE(sha2file, sha2wrong); + EXPECT_TRUE(sha2file != sha2wrong); + + HashString sha2big("SHA256", sha256.Value()); + EXPECT_TRUE(sha2big.VerifyFile("/etc/os-release")); + HashString sha2small("sha256:" + sha256.Value()); + EXPECT_TRUE(sha2small.VerifyFile("/etc/os-release")); + EXPECT_EQ(sha2big, sha2small); + EXPECT_TRUE(sha2big == sha2small); + EXPECT_FALSE(sha2big != sha2small); + + HashStringList hashes; + EXPECT_TRUE(hashes.empty()); + EXPECT_TRUE(hashes.push_back(sha2file)); + EXPECT_FALSE(hashes.empty()); + EXPECT_EQ(1u, hashes.size()); + + HashStringList wrong; + EXPECT_TRUE(wrong.push_back(sha2wrong)); + EXPECT_NE(wrong, hashes); + EXPECT_FALSE(wrong == hashes); + EXPECT_TRUE(wrong != hashes); + + HashStringList similar; + EXPECT_TRUE(similar.push_back(sha2big)); + EXPECT_NE(similar, hashes); + EXPECT_FALSE(similar == hashes); + EXPECT_TRUE(similar != hashes); + + EXPECT_TRUE(hashes.push_back(sha2big)); + EXPECT_EQ(2u, hashes.size()); + EXPECT_TRUE(hashes.push_back(sha2small)); + EXPECT_EQ(2u, hashes.size()); + EXPECT_FALSE(hashes.push_back(sha2wrong)); + EXPECT_EQ(2u, hashes.size()); + EXPECT_TRUE(hashes.VerifyFile("/etc/os-release")); + + EXPECT_EQ(similar, hashes); + EXPECT_TRUE(similar == hashes); + EXPECT_FALSE(similar != hashes); + similar.clear(); + EXPECT_TRUE(similar.empty()); + EXPECT_EQ(0u, similar.size()); + EXPECT_NE(similar, hashes); + EXPECT_FALSE(similar == hashes); + EXPECT_TRUE(similar != hashes); +} +TEST(HashSumsTest, HashStringList) +{ + _config->Clear("Acquire::ForceHash"); + + HashStringList list; + EXPECT_TRUE(list.empty()); + EXPECT_FALSE(list.usable()); + EXPECT_EQ(0u, list.size()); + EXPECT_EQ(NULL, list.find(NULL)); + EXPECT_EQ(NULL, list.find("")); + EXPECT_EQ(NULL, list.find("MD5Sum")); + EXPECT_EQ(NULL, list.find("ROT26")); + EXPECT_EQ(NULL, list.find("SHA1")); + EXPECT_EQ(0u, list.FileSize()); + + // empty lists aren't equal + HashStringList list2; + EXPECT_FALSE(list == list2); + EXPECT_TRUE(list != list2); + + // some hashes don't really contribute to usability + list.push_back(HashString("Checksum-FileSize", "29")); + EXPECT_FALSE(list.empty()); + EXPECT_FALSE(list.usable()); + EXPECT_EQ(1u, list.size()); + EXPECT_EQ(29u, list.FileSize()); + list.push_back(HashString("MD5Sum", "d41d8cd98f00b204e9800998ecf8427e")); + EXPECT_FALSE(list.empty()); + EXPECT_FALSE(list.usable()); + EXPECT_EQ(2u, list.size()); + EXPECT_EQ(29u, list.FileSize()); + EXPECT_TRUE(NULL != list.find("MD5Sum")); + list.push_back(HashString("SHA1", "cacecbd74968bc90ea3342767e6b94f46ddbcafc")); + EXPECT_FALSE(list.usable()); + EXPECT_EQ(3u, list.size()); + EXPECT_EQ(29u, list.FileSize()); + EXPECT_TRUE(NULL != list.find("MD5Sum")); + EXPECT_TRUE(NULL != list.find("SHA1")); + list.push_back(HashString("SHA256", "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855")); + EXPECT_TRUE(list.usable()); + EXPECT_EQ(4u, list.size()); + EXPECT_EQ(29u, list.FileSize()); + EXPECT_TRUE(NULL != list.find("MD5Sum")); + EXPECT_TRUE(NULL != list.find("SHA1")); + EXPECT_TRUE(NULL != list.find("SHA256")); + + Hashes hashes; + hashes.Add("The quick brown fox jumps over the lazy dog"); + list = hashes.GetHashStringList(); + EXPECT_FALSE(list.empty()); + EXPECT_TRUE(list.usable()); + EXPECT_EQ(5u, list.size()); + EXPECT_TRUE(NULL != list.find(NULL)); + EXPECT_TRUE(NULL != list.find("")); + EXPECT_TRUE(NULL != list.find("MD5Sum")); + EXPECT_TRUE(NULL != list.find("Checksum-FileSize")); + EXPECT_TRUE(NULL == list.find("ROT26")); + + _config->Set("Acquire::ForceHash", "MD5Sum"); + EXPECT_FALSE(list.empty()); + EXPECT_TRUE(list.usable()); + EXPECT_EQ(5u, list.size()); + EXPECT_TRUE(NULL != list.find(NULL)); + EXPECT_TRUE(NULL != list.find("")); + EXPECT_TRUE(NULL != list.find("MD5Sum")); + EXPECT_TRUE(NULL != list.find("Checksum-FileSize")); + EXPECT_TRUE(NULL == list.find("ROT26")); + + _config->Set("Acquire::ForceHash", "ROT26"); + EXPECT_FALSE(list.empty()); + EXPECT_FALSE(list.usable()); + EXPECT_EQ(5u, list.size()); + EXPECT_TRUE(NULL == list.find(NULL)); + EXPECT_TRUE(NULL == list.find("")); + EXPECT_TRUE(NULL != list.find("MD5Sum")); + EXPECT_TRUE(NULL != list.find("Checksum-FileSize")); + EXPECT_TRUE(NULL == list.find("ROT26")); + + _config->Clear("Acquire::ForceHash"); + + list2.push_back(*list.find("MD5Sum")); + EXPECT_TRUE(list == list2); + EXPECT_FALSE(list != list2); + + // introduce a mismatch to the list + list2.push_back(HashString("SHA1", "cacecbd74968bc90ea3342767e6b94f46ddbcafc")); + EXPECT_FALSE(list == list2); + EXPECT_TRUE(list != list2); + + _config->Set("Acquire::ForceHash", "MD5Sum"); + EXPECT_TRUE(list == list2); + EXPECT_FALSE(list != list2); + + _config->Clear("Acquire::ForceHash"); +} |