170af9408f
Given we're no longer using dependent strings in LookupCacheV4::PrefixString(), we will end up make a copy of the prefixes at some point. Let's do it early and remove a bunch of complicated code. Make the string copies fallible so that we return an error and fail the update instead of crashing. MozReview-Commit-ID: 5cZHSDIJSlD
96 lines
2.7 KiB
C++
96 lines
2.7 KiB
C++
#include "HashStore.h"
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#include "nsPrintfCString.h"
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#include "string.h"
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#include "gtest/gtest.h"
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#include "mozilla/Unused.h"
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using namespace mozilla;
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using namespace mozilla::safebrowsing;
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static const char* kFilesInV2[] = {".pset", ".sbstore"};
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static const char* kFilesInV4[] = {".pset", ".metadata"};
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#define V2_TABLE "gtest-malware-simple"
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#define V4_TABLE1 "goog-malware-proto"
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#define V4_TABLE2 "goog-phish-proto"
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#define ROOT_DIR NS_LITERAL_STRING("safebrowsing")
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#define SB_FILE(x, y) NS_ConvertUTF8toUTF16(nsPrintfCString("%s%s",x, y))
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template<typename T, size_t N>
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void CheckFileExist(const char* table, const T (&files)[N], bool expectExists)
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{
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for (uint32_t i = 0; i < N; i++) {
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// This is just a quick way to know if this is v4 table
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NS_ConvertUTF8toUTF16 SUB_DIR(strstr(table, "-proto") ? "google4" : "");
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nsCOMPtr<nsIFile> file =
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GetFile(nsTArray<nsString> { ROOT_DIR, SUB_DIR, SB_FILE(table, files[i]) });
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bool exists;
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file->Exists(&exists);
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ASSERT_EQ(expectExists, exists) << file->HumanReadablePath().get();
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}
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}
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TEST(UrlClassifierFailUpdate, CheckTableReset)
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{
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const bool FULL_UPDATE = true;
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const bool PARTIAL_UPDATE = false;
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// Apply V2 update
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{
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auto update = new TableUpdateV2(NS_LITERAL_CSTRING(V2_TABLE));
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Unused << update->NewAddChunk(1);
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ApplyUpdate(update);
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// A successful V2 update should create .pset & .sbstore files
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CheckFileExist(V2_TABLE, kFilesInV2, true);
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}
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// Helper function to generate table update data
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auto func = [](TableUpdateV4* update, bool full, const char* str) {
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update->SetFullUpdate(full);
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nsCString prefix(str);
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update->NewPrefixes(prefix.Length(), prefix);
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};
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// Apply V4 update for table1
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{
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auto update = new TableUpdateV4(NS_LITERAL_CSTRING(V4_TABLE1));
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func(update, FULL_UPDATE, "test_prefix");
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ApplyUpdate(update);
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// A successful V4 update should create .pset & .metadata files
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CheckFileExist(V4_TABLE1, kFilesInV4, true);
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}
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// Apply V4 update for table2
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{
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auto update = new TableUpdateV4(NS_LITERAL_CSTRING(V4_TABLE2));
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func(update, FULL_UPDATE, "test_prefix");
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ApplyUpdate(update);
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CheckFileExist(V4_TABLE2, kFilesInV4, true);
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}
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// Apply V4 update with the same prefix in previous full udpate
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// This should cause an update error.
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{
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auto update = new TableUpdateV4(NS_LITERAL_CSTRING(V4_TABLE1));
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func(update, PARTIAL_UPDATE, "test_prefix");
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ApplyUpdate(update);
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// A fail update should remove files for that table
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CheckFileExist(V4_TABLE1, kFilesInV4, false);
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// A fail update should NOT remove files for the other tables
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CheckFileExist(V2_TABLE, kFilesInV2, true);
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CheckFileExist(V4_TABLE2, kFilesInV4, true);
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}
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}
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