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-rw-r--r--test/libapt/hashsums_test.cc305
1 files changed, 305 insertions, 0 deletions
diff --git a/test/libapt/hashsums_test.cc b/test/libapt/hashsums_test.cc
new file mode 100644
index 0000000..2d8079e
--- /dev/null
+++ b/test/libapt/hashsums_test.cc
@@ -0,0 +1,305 @@
+#include <config.h>
+
+#include <apt-pkg/configuration.h>
+#include <apt-pkg/fileutl.h>
+#include <apt-pkg/hashes.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);
+}
+
+
+
+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);
+
+ FileFd fd;
+ auto const file = createTemporaryFile("hashsums");
+ ASSERT_TRUE(fd.Open(file.Name(), 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(file.Name(), FileFd::ReadOnly, FileFd::None));
+ ASSERT_TRUE(fd.IsOpen());
+ ASSERT_NE(0u, fd.FileSize());
+ ASSERT_FALSE(fd.Failed());
+ 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);
+ HashString md5("MD5Sum", summation);
+ EXPECT_EQ(md5.HashValue(), summation);
+
+ getSummationString("sha1sum", summation);
+ HashString sha1("SHA1", summation);
+ EXPECT_EQ(sha1.HashValue(), summation);
+
+ getSummationString("sha256sum", summation);
+ HashString sha256("SHA256", summation);
+ EXPECT_EQ(sha256.HashValue(), summation);
+
+ getSummationString("sha512sum", summation);
+ HashString sha512("SHA512", summation);
+ EXPECT_EQ(sha512.HashValue(), 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.HashValue(), list.find("MD5Sum")->HashValue());
+ EXPECT_EQ(sha1.HashValue(), list.find("SHA1")->HashValue());
+ EXPECT_EQ(sha256.HashValue(), list.find("SHA256")->HashValue());
+ EXPECT_EQ(sha512.HashValue(), 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.HashValue(), list.find("MD5Sum")->HashValue());
+ EXPECT_EQ(sha1.HashValue(), list.find("SHA1")->HashValue());
+ EXPECT_EQ(sha256.HashValue(), list.find("SHA256")->HashValue());
+ EXPECT_EQ(sha512.HashValue(), 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.HashValue(), list.find("MD5Sum")->HashValue());
+ EXPECT_EQ(NULL, list.find("SHA1"));
+ EXPECT_EQ(NULL, list.find("SHA256"));
+ EXPECT_EQ(sha512.HashValue(), 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.HashValue(), list.find("MD5Sum")->HashValue());
+ EXPECT_EQ(NULL, list.find("SHA1"));
+ EXPECT_EQ(NULL, list.find("SHA256"));
+ EXPECT_EQ(sha512.HashValue(), list.find("SHA512")->HashValue());
+ EXPECT_EQ(FileSize, list.find("Checksum-FileSize")->HashValue());
+ }
+ fd.Seek(0);
+ {
+ Hashes MD5(Hashes::MD5SUM);
+ MD5.AddFD(fd.Fd());
+ EXPECT_EQ(md5, MD5.GetHashString(Hashes::MD5SUM));
+ }
+ fd.Seek(0);
+ {
+ Hashes SHA1(Hashes::SHA1SUM);
+ SHA1.AddFD(fd.Fd());
+ EXPECT_EQ(sha1, SHA1.GetHashString(Hashes::SHA1SUM));
+ }
+ fd.Seek(0);
+ {
+ Hashes SHA2(Hashes::SHA256SUM);
+ SHA2.AddFD(fd.Fd());
+ EXPECT_EQ(sha256, SHA2.GetHashString(Hashes::SHA256SUM));
+ }
+ fd.Seek(0);
+ {
+ Hashes SHA2(Hashes::SHA512SUM);
+ SHA2.AddFD(fd.Fd());
+ EXPECT_EQ(sha512, SHA2.GetHashString(Hashes::SHA512SUM));
+ }
+ fd.Close();
+
+ HashString sha2file("SHA512", sha512.HashValue());
+ 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.HashValue());
+ EXPECT_TRUE(sha2big.VerifyFile("/etc/os-release"));
+ HashString sha2small("sha256:" + sha256.HashValue());
+ 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");
+}
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