Adding upstream version 2.6.1.upstream/2.6.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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");
+}