deps: update zlib to 1.3.1-caf4afa

Author: nodejs-github-bot

deps/zlib/BUILD.gn

@@ -419,7 +419,7 @@ static_library("minizip") {
     ]
   }
 
-  if (is_apple || is_android || is_nacl) {
+  if (is_apple || is_android) {
     # Mac, Android and the BSDs don't have fopen64, ftello64, or fseeko64. We
     # use fopen, ftell, and fseek instead on these systems.
     defines = [ "USE_FILE32API" ]

deps/zlib/README.chromium

@@ -3,6 +3,7 @@ Short Name: zlib
 URL: http://zlib.net/
 Version: 1.3.1
 Revision: 51b7f2abdade71cd9bb0e7a373ef2610ec6f9daf
+Update Mechanism: Manual
 CPEPrefix: cpe:/a:zlib:zlib:1.3.1
 Security Critical: yes
 Shipped: yes

deps/zlib/adler32_simd.c

@@ -53,6 +53,9 @@
 
 #include <tmmintrin.h>
 
+#if defined(__GNUC__)
+__attribute__((__target__("ssse3")))
+#endif
 uint32_t ZLIB_INTERNAL adler32_simd_(  /* SSSE3 */
     uint32_t adler,
     const unsigned char *buf,

deps/zlib/contrib/minizip/README.chromium

@@ -3,6 +3,7 @@ Short Name: minizip
 URL: https://github.com/madler/zlib/tree/master/contrib/minizip
 Version: 1.3.1.1
 Revision: ef24c4c7502169f016dcd2a26923dbaf3216748c
+Update Mechanism: Manual
 License: Zlib
 License File: //third_party/zlib/LICENSE
 Shipped: yes

deps/zlib/contrib/minizip/unzip.c

@@ -64,6 +64,7 @@
 */
 
 
+#include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -837,6 +838,7 @@ local int unz64local_GetCurrentFileInfoInternal(unzFile file,
     uLong uMagic;
     long lSeek=0;
     uLong uL;
+    uLong uFileNameCrc;
 
     if (file==NULL)
         return UNZ_PARAMERROR;
@@ -908,21 +910,34 @@ local int unz64local_GetCurrentFileInfoInternal(unzFile file,
     file_info_internal.offset_curfile = uL;
 
     lSeek+=file_info.size_filename;
-    if ((err==UNZ_OK) && (szFileName!=NULL))
+    if (err==UNZ_OK)
     {
-        uLong uSizeRead ;
-        if (file_info.size_filename<fileNameBufferSize)
+        char szCurrentFileName[UINT16_MAX] = {0};
+
+        if (file_info.size_filename > 0)
         {
-            *(szFileName+file_info.size_filename)='\0';
-            uSizeRead = file_info.size_filename;
+            if (ZREAD64(s->z_filefunc, s->filestream, szCurrentFileName, file_info.size_filename) != file_info.size_filename)
+            {
+                err=UNZ_ERRNO;
+            }
         }
-        else
-            uSizeRead = fileNameBufferSize;
 
-        if ((file_info.size_filename>0) && (fileNameBufferSize>0))
-            if (ZREAD64(s->z_filefunc, s->filestream,szFileName,uSizeRead)!=uSizeRead)
-                err=UNZ_ERRNO;
-        lSeek -= uSizeRead;
+        uFileNameCrc = crc32(0, (unsigned char*)szCurrentFileName, file_info.size_filename);
+
+        if (szFileName != NULL)
+        {
+            if (fileNameBufferSize <= file_info.size_filename)
+            {
+                memcpy(szFileName, szCurrentFileName, fileNameBufferSize);
+            }
+            else
+            {
+                memcpy(szFileName, szCurrentFileName, file_info.size_filename);
+                szFileName[file_info.size_filename] = '\0';
+            }
+        }
+
+        lSeek -= file_info.size_filename;
     }
 
     // Read extrafield
@@ -1012,7 +1027,15 @@ local int unz64local_GetCurrentFileInfoInternal(unzFile file,
             {
                 int version = 0;
 
-                if (unz64local_getByte(&s->z_filefunc, s->filestream, &version) != UNZ_OK)
+                if (dataSize < 1 + 4)
+                {
+                    /* dataSize includes version (1 byte), uCrc (4 bytes), and
+                     * the filename data. If it's too small, fileNameSize below
+                     * would overflow. */
+                    err = UNZ_ERRNO;
+                    break;
+                }
+                else if (unz64local_getByte(&s->z_filefunc, s->filestream, &version) != UNZ_OK)
                 {
                     err = UNZ_ERRNO;
                 }
@@ -1025,16 +1048,16 @@ local int unz64local_GetCurrentFileInfoInternal(unzFile file,
                 }
                 else
                 {
-                    uLong uCrc, uHeaderCrc, fileNameSize;
+                    uLong uCrc, fileNameSize;
 
                     if (unz64local_getLong(&s->z_filefunc, s->filestream, &uCrc) != UNZ_OK)
                     {
                         err = UNZ_ERRNO;
                     }
-                    uHeaderCrc = crc32(0, (const unsigned char *)szFileName, file_info.size_filename);
-                    fileNameSize = dataSize - (2 * sizeof (short) + 1);
+                    fileNameSize = dataSize - (1 + 4);  /* 1 for version, 4 for uCrc */
+
                     /* Check CRC against file name in the header. */
-                    if (uHeaderCrc != uCrc)
+                    if (uCrc != uFileNameCrc)
                     {
                         if (ZSEEK64(s->z_filefunc, s->filestream, fileNameSize, ZLIB_FILEFUNC_SEEK_CUR) != 0)
                         {
@@ -1043,24 +1066,28 @@ local int unz64local_GetCurrentFileInfoInternal(unzFile file,
                     }
                     else
                     {
-                        uLong uSizeRead;
-
                         file_info.size_filename = fileNameSize;
 
-                        if (fileNameSize < fileNameBufferSize)
-                        {
-                             *(szFileName + fileNameSize) = '\0';
-                            uSizeRead = fileNameSize;
-                        }
-                        else
+                        char szCurrentFileName[UINT16_MAX] = {0};
+
+                        if (file_info.size_filename > 0)
                         {
-                            uSizeRead = fileNameBufferSize;
+                            if (ZREAD64(s->z_filefunc, s->filestream, szCurrentFileName, file_info.size_filename) != file_info.size_filename)
+                            {
+                                err = UNZ_ERRNO;
+                            }
                         }
-                        if ((fileNameSize > 0) && (fileNameBufferSize > 0))
+
+                        if (szFileName != NULL)
                         {
-                            if (ZREAD64(s->z_filefunc, s->filestream, szFileName, uSizeRead) != uSizeRead)
+                            if (fileNameBufferSize <= file_info.size_filename)
                             {
-                                err = UNZ_ERRNO;
+                                memcpy(szFileName, szCurrentFileName, fileNameBufferSize);
+                            }
+                            else
+                            {
+                                memcpy(szFileName, szCurrentFileName, file_info.size_filename);
+                                szFileName[file_info.size_filename] = '\0';
                             }
                         }
                     }

deps/zlib/contrib/tests/fuzzers/minizip_unzip_fuzzer.cc

@@ -2,9 +2,11 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#include <fuzzer/FuzzedDataProvider.h>
 #include <algorithm>
 #include <cstdint>
 #include <cstring>
+#include <memory>
 #include <vector>
 
 #include "unzip.h"
@@ -19,11 +21,30 @@
   } while (0)
 
 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
+  FuzzedDataProvider fdp(data, size);
+
+  unsigned long filename_sz = fdp.ConsumeIntegralInRange(0, UINT16_MAX + 3);
+  unsigned long extra_sz = fdp.ConsumeIntegralInRange(0, UINT16_MAX + 3);
+  unsigned long comment_sz = fdp.ConsumeIntegralInRange(0, UINT16_MAX + 3);
+
+  std::unique_ptr<char[]> filename;
+  if (fdp.ConsumeBool()) {
+    filename = std::make_unique<char[]>(filename_sz);
+  }
+  std::unique_ptr<char[]> extra;
+  if (fdp.ConsumeBool()) {
+    extra = std::make_unique<char[]>(extra_sz);
+  }
+  std::unique_ptr<char[]> comment;
+  if (fdp.ConsumeBool()) {
+    comment = std::make_unique<char[]>(comment_sz);
+  }
+
   // Mock read-only filesystem with only one file, file_data. In the calls
   // below, 'opaque' points to file_data, and 'strm' points to the file's seek
   // position, which is heap allocated so that failing to "close" it triggers a
   // leak error.
-  std::vector<uint8_t> file_data(data, data + size);
+  std::vector<uint8_t> file_data = fdp.ConsumeRemainingBytes<uint8_t>();
   zlib_filefunc64_def file_func = {
       .zopen64_file = [](void* opaque, const void* filename,
                          int mode) -> void* {
@@ -83,19 +104,23 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
   while (true) {
     unz_file_info64 info = {0};
 
-    // TODO: Pass nullptrs and different buffer sizes to cover more code.
-    char filename[UINT16_MAX + 1];  // +1 for the null terminator.
-    char extra[UINT16_MAX];         // No null terminator.
-    char comment[UINT16_MAX + 1];   // +1 for the null terminator.
-
-    if (unzGetCurrentFileInfo64(uzf, &info, filename, sizeof(filename), extra,
-                                sizeof(extra), comment, sizeof(comment)) == UNZ_OK) {
-      ASSERT(info.size_filename <= UINT16_MAX);
-      ASSERT(info.size_file_extra <= UINT16_MAX);
-      ASSERT(info.size_file_comment <= UINT16_MAX);
-
-      ASSERT(filename[info.size_filename] == '\0');
-      ASSERT(comment[info.size_file_comment] == '\0');
+    if (unzGetCurrentFileInfo64(uzf, &info, filename.get(), filename_sz, extra.get(),
+                                extra_sz, comment.get(), comment_sz) == UNZ_OK) {
+      if (filename) {
+        ASSERT(info.size_filename <= UINT16_MAX);
+        if (info.size_filename < filename_sz) {
+          ASSERT(filename[info.size_filename] == '\0');
+        }
+      }
+      if (extra) {
+        ASSERT(info.size_file_extra <= UINT16_MAX);
+      }
+      if (comment) {
+        ASSERT(info.size_file_comment <= UINT16_MAX);
+        if (info.size_file_comment < comment_sz) {
+          ASSERT(comment[info.size_file_comment] == '\0');
+        }
+      }
     }
 
     if (unzOpenCurrentFile(uzf) == UNZ_OK) {

deps/zlib/contrib/tests/utils_unittest.cc

@@ -13,6 +13,7 @@
 #if !defined(CMAKE_STANDALONE_UNITTESTS)
 #include "base/files/file_path.h"
 #include "base/files/scoped_temp_dir.h"
+#include "base/path_service.h"
 
 #include "third_party/zlib/contrib/minizip/unzip.h"
 #include "third_party/zlib/contrib/minizip/zip.h"
@@ -1287,4 +1288,62 @@ TEST(ZlibTest, ZipExtraFieldSize) {
   EXPECT_EQ(unzClose(uzf), UNZ_OK);
 }
 
+static base::FilePath TestDataDir() {
+  base::FilePath path;
+  bool success = base::PathService::Get(base::DIR_SRC_TEST_DATA_ROOT, &path);
+  EXPECT_TRUE(success);
+  return path
+      .AppendASCII("third_party")
+      .AppendASCII("zlib")
+      .AppendASCII("google")
+      .AppendASCII("test")
+      .AppendASCII("data");
+}
+
+TEST(ZlibTest, ZipUnicodePathExtraSizeFilenameOverflow) {
+  // This is based on components/test/data/unzip_service/bug953599.zip (added
+  // in https://crrev.com/1004132), with the Unicode Path Extra Field's
+  // dataSize hex edited to four.
+  base::FilePath zip_file = TestDataDir().AppendASCII("unicode_path_extra_overflow.zip");
+  unzFile uzf = unzOpen(zip_file.AsUTF8Unsafe().c_str());
+  ASSERT_NE(uzf, nullptr);
+  EXPECT_EQ(unzGoToFirstFile(uzf), UNZ_ERRNO);
+  EXPECT_EQ(unzClose(uzf), UNZ_OK);
+}
+
+TEST(ZlibTest, ZipUnicodePathExtra) {
+  // This is components/test/data/unzip_service/bug953599.zip (added in
+  // https://crrev.com/1004132).
+  base::FilePath zip_file = TestDataDir().AppendASCII("unicode_path_extra.zip");
+  unzFile uzf = unzOpen(zip_file.AsUTF8Unsafe().c_str());
+  ASSERT_NE(uzf, nullptr);
+
+  char long_buf[15], short_buf[3];
+  unz_file_info file_info;
+
+  ASSERT_EQ(unzGoToFirstFile(uzf), UNZ_OK);
+  ASSERT_EQ(unzGetCurrentFileInfo(uzf, &file_info, long_buf, sizeof(long_buf),
+                                  nullptr, 0, nullptr, 0), UNZ_OK);
+  ASSERT_EQ(file_info.size_filename, 14);
+  ASSERT_EQ(std::string(long_buf), "\xec\x83\x88 \xeb\xac\xb8\xec\x84\x9c.txt");
+
+  // Even if the file name buffer is too short to hold the whole filename, the
+  // unicode path extra field should get parsed correctly, size_filename set,
+  // and the file name buffer should receive the first bytes.
+  ASSERT_EQ(unzGoToFirstFile(uzf), UNZ_OK);
+  ASSERT_EQ(unzGetCurrentFileInfo(uzf, &file_info, short_buf, sizeof(short_buf),
+                                  nullptr, 0, nullptr, 0), UNZ_OK);
+  ASSERT_EQ(file_info.size_filename, 14);
+  ASSERT_EQ(std::string(short_buf, sizeof(short_buf)), "\xec\x83\x88");
+
+  // Also with a null filename buffer, the unicode path extra field should get
+  // parsed and size_filename set correctly.
+  ASSERT_EQ(unzGoToFirstFile(uzf), UNZ_OK);
+  ASSERT_EQ(unzGetCurrentFileInfo(uzf, &file_info, nullptr, 0, nullptr, 0,
+                                  nullptr, 0), UNZ_OK);
+  ASSERT_EQ(file_info.size_filename, 14);
+
+  EXPECT_EQ(unzClose(uzf), UNZ_OK);
+}
+
 #endif

deps/zlib/google/test/data/create_symlink_test_zips.py

@@ -16,6 +16,10 @@ def make_file(zf, path, content):
     zf.writestr(zipfile.ZipInfo(path), content)
 
 
+def make_dir(zf, path):
+    zf.mkdir(path)
+
+
 def make_test_zips():
     with make_zip('symlinks.zip') as zf:
         make_file(zf, 'a.txt', 'A')
@@ -39,6 +43,11 @@ def make_test_zips():
         make_link(zf, 'file', 'link')
         make_file(zf, 'link', 'Hello world')
 
+    with make_zip('symlink_follow_own_link_dir.zip') as zf:
+        make_dir(zf, 'dir')
+        make_link(zf, 'dir', 'link')
+        make_file(zf, 'link/file', 'Hello world')
+
     with make_zip('symlink_duplicate_link.zip') as zf:
         make_link(zf, 'target_1', 'link')
         make_link(zf, 'target_2', 'link')