Release 3.8.2

Fix an infinite loop when parsing `V` headers

(cherry picked from commit de73860cda5a49f97289a9924a3c5590edafef66)

.github/workflows/ci.yml

@@ -12,7 +12,7 @@ jobs:
       matrix:
         bs: [autotools, cmake]
     steps:
-    - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+    - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
     - name: Install dependencies
       run: ./build/ci/github_actions/install-macos-dependencies.sh
     - name: Autogen
@@ -59,7 +59,7 @@ jobs:
         bs: [autotools, cmake]
         crypto: [mbedtls, nettle, openssl]
     steps:
-    - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+    - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
     - name: Update apt cache
       run: sudo apt-get update
     - name: Install dependencies
@@ -100,7 +100,7 @@ jobs:
   Ubuntu-distcheck:
     runs-on: ubuntu-24.04
     steps:
-    - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+    - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
     - name: Update package definitions
       run: sudo apt-get update
     - name: Install dependencies
@@ -127,7 +127,7 @@ jobs:
       matrix:
         be: [mingw-gcc, msvc]
     steps:
-    - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+    - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
     - name: Install mingw
       if:  ${{ matrix.be=='mingw-gcc' }}
       run: choco install mingw

.github/workflows/codeql.yml

@@ -26,18 +26,18 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
 
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@ff0a06e83cb2de871e5a09832bc6a81e7276941f # v3.28.18
+        uses: github/codeql-action/init@64d10c13136e1c5bce3e5fbde8d4906eeaafc885 # v3.30.6
         with:
           languages: ${{ matrix.language }}
           queries: +security-and-quality
 
       - name: Autobuild
-        uses: github/codeql-action/autobuild@ff0a06e83cb2de871e5a09832bc6a81e7276941f # v3.28.18
+        uses: github/codeql-action/autobuild@64d10c13136e1c5bce3e5fbde8d4906eeaafc885 # v3.30.6
 
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@ff0a06e83cb2de871e5a09832bc6a81e7276941f # v3.28.18
+        uses: github/codeql-action/analyze@64d10c13136e1c5bce3e5fbde8d4906eeaafc885 # v3.30.6
         with:
           category: "/language:${{ matrix.language }}"

.github/workflows/scorecard.yml

@@ -29,12 +29,12 @@ jobs:
 
     steps:
       - name: "Checkout code"
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
 
       - name: "Run analysis"
-        uses: ossf/scorecard-action@f49aabe0b5af0936a0987cfb85d86b75731b0186 # v2.4.1
+        uses: ossf/scorecard-action@4eaacf0543bb3f2c246792bd56e8cdeffafb205a # v2.4.3
         with:
           results_file: results.sarif
           results_format: sarif
@@ -60,6 +60,6 @@ jobs:
 
       # Upload the results to GitHub's code scanning dashboard.
       - name: "Upload to code-scanning"
-        uses: github/codeql-action/upload-sarif@ff0a06e83cb2de871e5a09832bc6a81e7276941f # v3.28.18
+        uses: github/codeql-action/upload-sarif@64d10c13136e1c5bce3e5fbde8d4906eeaafc885 # v3.30.6
         with:
           sarif_file: results.sarif

CMakeLists.txt

@@ -3,6 +3,9 @@ cmake_minimum_required(VERSION 3.17 FATAL_ERROR)
 
 PROJECT(libarchive C)
 #
+# Include standard installation directories
+include(GNUInstallDirs)
+#
 SET(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/build/cmake")
 if(NOT CMAKE_RUNTIME_OUTPUT_DIRECTORY)
   set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${libarchive_BINARY_DIR}/bin)
@@ -16,7 +19,7 @@ endif()
 #   MinSizeRel     : Release Min Size build
 #   None           : No build type
 IF(NOT CMAKE_BUILD_TYPE)
-  SET(CMAKE_BUILD_TYPE "Debug" CACHE STRING "Build Type" FORCE)
+  SET(CMAKE_BUILD_TYPE "Release" CACHE STRING "Build Type" FORCE)
 ENDIF(NOT CMAKE_BUILD_TYPE)
 # Set a value type to properly display CMAKE_BUILD_TYPE on GUI if the
 # value type is "UNINITIALIZED".
@@ -255,6 +258,10 @@ OPTION(ENABLE_TEST "Enable unit and regression tests" ON)
 OPTION(ENABLE_COVERAGE "Enable code coverage (GCC only, automatically sets ENABLE_TEST to ON)" FALSE)
 OPTION(ENABLE_INSTALL "Enable installing of libraries" ON)
 
+IF(WIN32 AND MSVC)
+  OPTION(MSVC_USE_STATIC_CRT "Use static CRT" OFF)
+ENDIF()
+
 SET(POSIX_REGEX_LIB "AUTO" CACHE STRING "Choose what library should provide POSIX regular expression support")
 SET(ENABLE_SAFESEH "AUTO" CACHE STRING "Enable use of /SAFESEH linker flag (MSVC only)")
 SET(WINDOWS_VERSION "WIN10" CACHE STRING "Set Windows version to use (Windows only)")
@@ -1257,7 +1264,7 @@ ELSE(LIBXML2_FOUND)
       # Check linkage as well; versions of mingw-w64 before v11.0.0
       # do not contain an import library for xmllite.
       cmake_push_check_state()
-      SET(CMAKE_REQUIRED_LIBRARIES "xmllite")
+      SET(CMAKE_REQUIRED_LIBRARIES "xmllite" "uuid")
       check_c_source_compiles("
       #include <initguid.h>
       #include <xmllite.h>
@@ -1268,7 +1275,7 @@ ELSE(LIBXML2_FOUND)
       cmake_pop_check_state()
       IF(HAVE_XMLLITE_H)
         SET(XMLLITE_FOUND TRUE)
-        LIST(APPEND ADDITIONAL_LIBS "xmllite")
+        LIST(APPEND ADDITIONAL_LIBS "xmllite" "uuid")
       ENDIF()
     ENDIF()
   ENDIF(EXPAT_FOUND)
@@ -1472,6 +1479,8 @@ CHECK_FUNCTION_EXISTS_GLIBC(arc4random_buf HAVE_ARC4RANDOM_BUF)
 CHECK_FUNCTION_EXISTS_GLIBC(chflags HAVE_CHFLAGS)
 CHECK_FUNCTION_EXISTS_GLIBC(chown HAVE_CHOWN)
 CHECK_FUNCTION_EXISTS_GLIBC(chroot HAVE_CHROOT)
+CHECK_FUNCTION_EXISTS_GLIBC(closefrom HAVE_CLOSEFROM)
+CHECK_FUNCTION_EXISTS_GLIBC(close_range HAVE_CLOSE_RANGE)
 CHECK_FUNCTION_EXISTS_GLIBC(ctime_r HAVE_CTIME_R)
 CHECK_FUNCTION_EXISTS_GLIBC(fchdir HAVE_FCHDIR)
 CHECK_FUNCTION_EXISTS_GLIBC(fchflags HAVE_FCHFLAGS)
@@ -1489,15 +1498,19 @@ CHECK_FUNCTION_EXISTS_GLIBC(ftruncate HAVE_FTRUNCATE)
 CHECK_FUNCTION_EXISTS_GLIBC(futimens HAVE_FUTIMENS)
 CHECK_FUNCTION_EXISTS_GLIBC(futimes HAVE_FUTIMES)
 CHECK_FUNCTION_EXISTS_GLIBC(futimesat HAVE_FUTIMESAT)
+CHECK_FUNCTION_EXISTS_GLIBC(getegid HAVE_GETEGID)
 CHECK_FUNCTION_EXISTS_GLIBC(geteuid HAVE_GETEUID)
 CHECK_FUNCTION_EXISTS_GLIBC(getgrgid_r HAVE_GETGRGID_R)
 CHECK_FUNCTION_EXISTS_GLIBC(getgrnam_r HAVE_GETGRNAM_R)
 CHECK_FUNCTION_EXISTS_GLIBC(getline HAVE_GETLINE)
+CHECK_FUNCTION_EXISTS_GLIBC(getpid HAVE_GETPID)
 CHECK_FUNCTION_EXISTS_GLIBC(getpwnam_r HAVE_GETPWNAM_R)
 CHECK_FUNCTION_EXISTS_GLIBC(getpwuid_r HAVE_GETPWUID_R)
-CHECK_FUNCTION_EXISTS_GLIBC(getpid HAVE_GETPID)
+CHECK_FUNCTION_EXISTS_GLIBC(getresgid HAVE_GETRESGID)
+CHECK_FUNCTION_EXISTS_GLIBC(getresuid HAVE_GETRESUID)
 CHECK_FUNCTION_EXISTS_GLIBC(getvfsbyname HAVE_GETVFSBYNAME)
 CHECK_FUNCTION_EXISTS_GLIBC(gmtime_r HAVE_GMTIME_R)
+CHECK_FUNCTION_EXISTS_GLIBC(issetugid HAVE_ISSETUGID)
 CHECK_FUNCTION_EXISTS_GLIBC(lchflags HAVE_LCHFLAGS)
 CHECK_FUNCTION_EXISTS_GLIBC(lchmod HAVE_LCHMOD)
 CHECK_FUNCTION_EXISTS_GLIBC(lchown HAVE_LCHOWN)
@@ -1579,12 +1592,6 @@ CHECK_C_SOURCE_COMPILES(
   "#include <sys/types.h>\n#include <sys/mount.h>\nint main(void) { struct statfs s; return sizeof(s);}"
   HAVE_STRUCT_STATFS)
 
-# Make sure we have the POSIX version of readdir_r, not the
-# older 2-argument version.
-CHECK_C_SOURCE_COMPILES(
-  "#include <dirent.h>\nint main() {DIR *d = opendir(\".\"); struct dirent e,*r; return readdir_r(d,&e,&r);}"
-  HAVE_READDIR_R)
-
 # dirfd can be either a function or a macro.
 CHECK_C_SOURCE_COMPILES(
   "#include <dirent.h>\nint main() {DIR *d = opendir(\".\"); return dirfd(d);}"

Makefile.am

@@ -132,6 +132,7 @@ libarchive_la_SOURCES= \
 	libarchive/archive_pathmatch.h \
 	libarchive/archive_platform.h \
 	libarchive/archive_platform_acl.h \
+	libarchive/archive_platform_stat.h \
 	libarchive/archive_platform_xattr.h \
 	libarchive/archive_ppmd_private.h \
 	libarchive/archive_ppmd7.c \
@@ -525,14 +526,17 @@ libarchive_test_SOURCES= \
 	libarchive/test/test_read_format_rar5.c \
 	libarchive/test/test_read_format_raw.c \
 	libarchive/test/test_read_format_tar.c \
+	libarchive/test/test_read_format_tar_V_negative_size.c \
 	libarchive/test/test_read_format_tar_concatenated.c \
 	libarchive/test/test_read_format_tar_empty_pax.c \
 	libarchive/test/test_read_format_tar_empty_filename.c \
 	libarchive/test/test_read_format_tar_empty_with_gnulabel.c \
 	libarchive/test/test_read_format_tar_filename.c \
 	libarchive/test/test_read_format_tar_invalid_pax_size.c \
+	libarchive/test/test_read_format_tar_mac_metadata.c \
 	libarchive/test/test_read_format_tar_pax_g_large.c \
 	libarchive/test/test_read_format_tar_pax_large_attr.c \
+	libarchive/test/test_read_format_tar_pax_negative_time.c \
 	libarchive/test/test_read_format_tbz.c \
 	libarchive/test/test_read_format_tgz.c \
 	libarchive/test/test_read_format_tlz.c \
@@ -565,6 +569,7 @@ libarchive_test_SOURCES= \
 	libarchive/test/test_read_format_zip_zip64.c \
 	libarchive/test/test_read_format_zip_with_invalid_traditional_eocd.c \
 	libarchive/test/test_read_large.c \
+	libarchive/test/test_read_pax_empty_val_no_nl.c \
 	libarchive/test/test_read_pax_xattr_rht_security_selinux.c \
 	libarchive/test/test_read_pax_xattr_schily.c \
 	libarchive/test/test_read_pax_truncated.c \
@@ -918,6 +923,9 @@ libarchive_test_EXTRA_DIST=\
 	libarchive/test/test_read_format_rar4_encrypted_filenames.rar.uu \
 	libarchive/test/test_read_format_rar4_solid_encrypted.rar.uu \
 	libarchive/test/test_read_format_rar4_solid_encrypted_filenames.rar.uu \
+	libarchive/test/test_read_format_rar5_only_crypt_exfld.rar.uu \
+	libarchive/test/test_read_format_rar5_unsupported_exfld.rar.uu \
+	libarchive/test/test_read_format_rar5_invalid_hash_valid_htime_exfld.rar.uu \
 	libarchive/test/test_read_format_rar5_encrypted.rar.uu \
 	libarchive/test/test_read_format_rar5_encrypted_filenames.rar.uu \
 	libarchive/test/test_read_format_rar5_solid_encrypted.rar.uu \
@@ -949,6 +957,7 @@ libarchive_test_EXTRA_DIST=\
 	libarchive/test/test_read_format_rar5_multiple_files.rar.uu \
 	libarchive/test/test_read_format_rar5_multiple_files_solid.rar.uu \
 	libarchive/test/test_read_format_rar5_nonempty_dir_stream.rar.uu \
+	libarchive/test/test_read_format_rar5_dirdata.rar.uu \
 	libarchive/test/test_read_format_rar5_owner.rar.uu \
 	libarchive/test/test_read_format_rar5_readtables_overflow.rar.uu \
 	libarchive/test/test_read_format_rar5_sfx.exe.uu \
@@ -969,14 +978,17 @@ libarchive_test_EXTRA_DIST=\
 	libarchive/test/test_read_format_raw.data.gz.uu \
 	libarchive/test/test_read_format_raw.data.Z.uu \
 	libarchive/test/test_read_format_raw.data.uu \
+	libarchive/test/test_read_format_tar_V_negative_size.tar.uu \
 	libarchive/test/test_read_format_tar_concatenated.tar.uu \
 	libarchive/test/test_read_format_tar_empty_filename.tar.uu \
 	libarchive/test/test_read_format_tar_empty_with_gnulabel.tar.uu \
 	libarchive/test/test_read_format_tar_empty_pax.tar.Z.uu \
 	libarchive/test/test_read_format_tar_filename_koi8r.tar.Z.uu \
 	libarchive/test/test_read_format_tar_invalid_pax_size.tar.uu \
+	libarchive/test/test_read_format_tar_mac_metadata_1.tar.uu \
 	libarchive/test/test_read_format_tar_pax_g_large.tar.uu \
 	libarchive/test/test_read_format_tar_pax_large_attr.tar.Z.uu \
+	libarchive/test/test_read_format_tar_pax_negative_time.tar.uu \
 	libarchive/test/test_read_format_ustar_filename_cp866.tar.Z.uu \
 	libarchive/test/test_read_format_ustar_filename_eucjp.tar.Z.uu \
 	libarchive/test/test_read_format_ustar_filename_koi8r.tar.Z.uu \
@@ -1041,6 +1053,7 @@ libarchive_test_EXTRA_DIST=\
 	libarchive/test/test_read_large_splitted_rar_ac.uu \
 	libarchive/test/test_read_large_splitted_rar_ad.uu \
 	libarchive/test/test_read_large_splitted_rar_ae.uu \
+	libarchive/test/test_read_pax_empty_val_no_nl.tar.uu \
 	libarchive/test/test_read_pax_xattr_rht_security_selinux.tar.uu \
 	libarchive/test/test_read_pax_xattr_schily.tar.uu \
 	libarchive/test/test_read_splitted_rar_aa.uu \
@@ -1052,6 +1065,7 @@ libarchive_test_EXTRA_DIST=\
 	libarchive/test/test_splitted_rar_seek_support_ab.uu \
 	libarchive/test/test_splitted_rar_seek_support_ac.uu \
 	libarchive/test/test_write_disk_appledouble.cpio.gz.uu \
+	libarchive/test/test_write_disk_appledouble_zip.zip.uu \
 	libarchive/test/test_write_disk_hfs_compression.tgz.uu \
 	libarchive/test/test_write_disk_mac_metadata.tar.gz.uu \
 	libarchive/test/test_write_disk_no_hfs_compression.tgz.uu \
@@ -1062,8 +1076,8 @@ libarchive_test_EXTRA_DIST=\
 # Common code for libarchive frontends (cpio, tar)
 #
 libarchive_fe_la_SOURCES= \
-	libarchive_fe/err.c \
-	libarchive_fe/err.h \
+	libarchive_fe/lafe_err.c \
+	libarchive_fe/lafe_err.h \
 	libarchive_fe/lafe_platform.h \
 	libarchive_fe/line_reader.c \
 	libarchive_fe/line_reader.h \
@@ -1134,6 +1148,7 @@ bsdtar_test_SOURCES= \
 	tar/test/test_0.c \
 	tar/test/test_basic.c \
 	tar/test/test_copy.c \
+	tar/test/test_crlf_mtree.c \
 	tar/test/test_empty_mtree.c \
 	tar/test/test_extract_tar_Z.c \
 	tar/test/test_extract_tar_bz2.c \

NEWS

@@ -1,3 +1,17 @@
+Oct 15, 2026: libarchive 3.8.2 released
+
+Jun 01, 2026: libarchive 3.8.1 released
+
+May 20, 2025: libarchive 3.8.0 released
+
+Mar 30, 2025: libarchive 3.7.9 released
+
+Mar 20, 2025: libarchive 3.7.8 released
+
+Oct 13, 2024: libarchive 3.7.7 released
+
+Sep 23, 2024: libarchive 3.7.6 released
+
 Sep 13, 2024: libarchive 3.7.5 released
 
 Apr 26, 2024: libarchive 3.7.4 released

SECURITY.md

@@ -16,4 +16,4 @@ Please provide the following information in your report:
 - How to reproduce the issue
 
 This project is maintained by volunteers on a reasonable-effort basis. As such, we ask
-that you give me 90 days to work on a fix before public exposure.
+that you give us 90 days to work on a fix before public exposure.

build/ci/github_actions/install-macos-dependencies.sh

@@ -5,6 +5,9 @@ set -eux
 #brew update > /dev/null
 #brew upgrade > /dev/null
 
+# Workaround for cmake in local/pinned tap issue
+brew uninstall cmake
+
 # This does an upgrade if the package is already installed
 brew install \
 	autoconf \

build/cmake/CreatePkgConfigFile.cmake

@@ -29,5 +29,5 @@ CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/build/pkgconfig/libarchive.pc.in
 # And install it, of course ;).
 IF(ENABLE_INSTALL)
   INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/build/pkgconfig/libarchive.pc
-          DESTINATION "lib/pkgconfig")
+          DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
 ENDIF()

build/cmake/config.h.in

@@ -405,6 +405,12 @@ typedef uint64_t uintmax_t;
 /* Define to 1 if you have the `chroot' function. */
 #cmakedefine HAVE_CHROOT 1
 
+/* Define to 1 if you have the `closefrom' function. */
+#cmakedefine HAVE_CLOSEFROM 1
+
+/* Define to 1 if you have the `close_range' function. */
+#cmakedefine HAVE_CLOSE_RANGE 1
+
 /* Define to 1 if you have the <copyfile.h> header file. */
 #cmakedefine HAVE_COPYFILE_H 1
 
@@ -970,9 +976,6 @@ typedef uint64_t uintmax_t;
 /* Define to 1 if you have the <pwd.h> header file. */
 #cmakedefine HAVE_PWD_H 1
 
-/* Define to 1 if you have the `readdir_r' function. */
-#cmakedefine HAVE_READDIR_R 1
-
 /* Define to 1 if you have the `readlink' function. */
 #cmakedefine HAVE_READLINK 1
 

build/version

@@ -1 +1 @@
-3008000
+3008002

cat/CMakeLists.txt

@@ -13,8 +13,8 @@ IF(ENABLE_CAT)
     bsdcat.h
     bsdcat_platform.h
     cmdline.c
-    ../libarchive_fe/err.c
-    ../libarchive_fe/err.h
+    ../libarchive_fe/lafe_err.c
+    ../libarchive_fe/lafe_err.h
     ../libarchive_fe/lafe_platform.h
   )
   INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR}/../libarchive_fe)

cat/bsdcat.c

@@ -7,6 +7,9 @@
 
 #include "bsdcat_platform.h"
 
+#ifdef HAVE_SIGNAL_H
+#include <signal.h>
+#endif
 #include <stdio.h>
 #ifdef HAVE_STDLIB_H
 #include <stdlib.h>
@@ -22,7 +25,7 @@
 #include <archive_entry.h>
 
 #include "bsdcat.h"
-#include "err.h"
+#include "lafe_err.h"
 
 #define	BYTES_PER_BLOCK	(20*512)
 
@@ -105,6 +108,16 @@ main(int argc, char **argv)
 	bsdcat = &bsdcat_storage;
 	memset(bsdcat, 0, sizeof(*bsdcat));
 
+#if defined(HAVE_SIGACTION) && defined(SIGCHLD)
+	{ /* Do not ignore SIGCHLD. */
+		struct sigaction sa;
+		sa.sa_handler = SIG_DFL;
+		sigemptyset(&sa.sa_mask);
+		sa.sa_flags = 0;
+		sigaction(SIGCHLD, &sa, NULL);
+	}
+#endif
+
 	lafe_setprogname(*argv, "bsdcat");
 
 	bsdcat->argv = argv;

cat/cmdline.c

@@ -22,7 +22,7 @@
 #endif
 
 #include "bsdcat.h"
-#include "err.h"
+#include "lafe_err.h"
 
 /*
  * Short options for bsdcat.  Please keep this sorted.

configure.ac

@@ -4,8 +4,8 @@ dnl First, define all of the version numbers up front.
 dnl In particular, this allows the version macro to be used in AC_INIT
 
 dnl These first two version numbers are updated automatically on each release.
-m4_define([LIBARCHIVE_VERSION_S],[3.8.0dev])
-m4_define([LIBARCHIVE_VERSION_N],[3008000])
+m4_define([LIBARCHIVE_VERSION_S],[3.8.2])
+m4_define([LIBARCHIVE_VERSION_N],[3008002])
 
 dnl bsdtar and bsdcpio versioning tracks libarchive
 m4_define([BSDTAR_VERSION_S],LIBARCHIVE_VERSION_S())
@@ -258,7 +258,8 @@ AM_CONDITIONAL([STATIC_BSDCPIO], [ test "$static_bsdcpio" = yes ])
 case $host in
   *mingw* | *cygwin* | *msys*  )
   AC_PREPROC_IFELSE([AC_LANG_PROGRAM(
-    [[#ifdef _WIN32_WINNT
+    [[#include <windows.h>
+     #ifdef _WIN32_WINNT
      # error _WIN32_WINNT already defined
      #endif
     ]],[[;]])
@@ -267,7 +268,8 @@ case $host in
     AC_DEFINE([NTDDI_VERSION], 0x05020000, [Define to '0x05020000' for Windows Server 2003 APIs.])
   ])
   AC_PREPROC_IFELSE([AC_LANG_PROGRAM(
-    [[#ifdef WINVER
+    [[#include <windows.h>
+     #ifdef WINVER
      # error WINVER already defined
      #endif
     ]],[[;]])
@@ -436,13 +438,15 @@ if test "x$with_bz2lib" != "xno"; then
   esac
 fi
 
+PKG_PROG_PKG_CONFIG
+
 AC_ARG_WITH([libb2],
   AS_HELP_STRING([--without-libb2], [Don't build support for BLAKE2 through libb2]))
 
 if test "x$with_libb2" != "xno"; then
   AC_CHECK_HEADERS([blake2.h])
   AC_CHECK_LIB(b2,blake2sp_init)
-  BLAKE2_PC_VER=`pkg-config --modversion libb2`
+  BLAKE2_PC_VER=`$PKG_CONFIG --modversion libb2`
   if test "x$BLAKE2_PC_VER" != "x"; then
     AC_DEFINE_UNQUOTED([LIBB2_PKGCONFIG_VERSION], ["$BLAKE2_PC_VER"], [Libb2 version coming from pkg-config.])
   fi
@@ -817,12 +821,15 @@ AC_FUNC_VPRINTF
 # To avoid necessity for including windows.h or special forward declaration
 # workarounds, we use 'void *' for 'struct SECURITY_ATTRIBUTES *'
 AC_CHECK_STDCALL_FUNC([CreateHardLinkA],[const char *, const char *, void *])
-AC_CHECK_FUNCS([arc4random_buf chflags chown chroot ctime_r])
+AC_CHECK_FUNCS([arc4random_buf chflags chown chroot])
+AC_CHECK_FUNCS([closefrom close_range ctime_r])
 AC_CHECK_FUNCS([fchdir fchflags fchmod fchown fcntl fdopendir fnmatch fork])
 AC_CHECK_FUNCS([fstat fstatat fstatfs fstatvfs ftruncate])
 AC_CHECK_FUNCS([futimens futimes futimesat])
-AC_CHECK_FUNCS([geteuid getline getpid getgrgid_r getgrnam_r])
-AC_CHECK_FUNCS([getpwnam_r getpwuid_r getvfsbyname gmtime_r])
+AC_CHECK_FUNCS([getegid geteuid getline getpid getresgid getresuid])
+AC_CHECK_FUNCS([getgrgid_r getgrnam_r getpwnam_r getpwuid_r])
+AC_CHECK_FUNCS([getvfsbyname gmtime_r])
+AC_CHECK_FUNCS([issetugid])
 AC_CHECK_FUNCS([lchflags lchmod lchown link linkat localtime_r lstat lutimes])
 AC_CHECK_FUNCS([mbrtowc memmove memset])
 AC_CHECK_FUNCS([mkdir mkfifo mknod mkstemp])
@@ -877,14 +884,6 @@ AC_CHECK_TYPES(struct statfs,,,
 	#include <sys/mount.h>
 	])
 
-# There are several variants of readdir_r around; we only
-# accept the POSIX-compliant version.
-AC_LINK_IFELSE(
- [AC_LANG_PROGRAM([[#include <dirent.h>]],
-                  [[DIR *dir; struct dirent e, *r;
-		    return(readdir_r(dir, &e, &r));]])],
- [AC_DEFINE(HAVE_READDIR_R,1,[Define to 1 if you have a POSIX compatible readdir_r])]
-)
 # dirfd can be either a function or a macro.
 AC_LINK_IFELSE(
  [AC_LANG_PROGRAM([[#include <dirent.h>
@@ -925,7 +924,7 @@ if test "x$enable_xattr" != "xno"; then
 ])
     AC_CHECK_DECLS([XATTR_NOFOLLOW], [], [], [#include <sys/xattr.h>
 ])
-    ATTR_PC_VER=`pkg-config --modversion libattr`
+    ATTR_PC_VER=`$PKG_CONFIG --modversion libattr`
     if test "x$ATTR_PC_VER" != "x"; then
       AC_DEFINE_UNQUOTED([LIBATTR_PKGCONFIG_VERSION], ["$ATTR_PC_VER"], [Libattr version coming from pkg-config.])
     fi
@@ -1024,7 +1023,7 @@ AC_ARG_ENABLE([acl],
 if test "x$enable_acl" != "xno"; then
     # Libacl
     AC_CHECK_LIB([acl], [acl_get_file])
-    ACL_PC_VER=`pkg-config --modversion libacl`
+    ACL_PC_VER=`$PKG_CONFIG --modversion libacl`
     if test "x$ACL_PC_VER" != "x"; then
       AC_DEFINE_UNQUOTED([LIBACL_PKGCONFIG_VERSION], ["$ACL_PC_VER"], [Libacl version coming from pkg-config.])
     fi
@@ -1038,7 +1037,7 @@ if test "x$enable_acl" != "xno"; then
     ])
 
     AC_CHECK_LIB([richacl], [richacl_get_file])
-    RICHACL_PC_VER=`pkg-config --modversion librichacl`
+    RICHACL_PC_VER=`$PKG_CONFIG --modversion librichacl`
     if test "x$RICHACL_PC_VER" != "x"; then
       AC_DEFINE_UNQUOTED([LIBRICHACL_PKGCONFIG_VERSION], ["$RICHACL_PC_VER"], [Librichacl version coming from pkg-config.])
     fi

contrib/android/Android.mk

@@ -151,7 +151,7 @@ else
 libarchive_host_src_files :=
 endif
 
-libarchive_fe_src_files :=  libarchive_fe/err.c \
+libarchive_fe_src_files :=  libarchive_fe/lafe_err.c \
 							libarchive_fe/line_reader.c \
 							libarchive_fe/passphrase.c
 

contrib/android/config/android.h

@@ -40,6 +40,8 @@
 
 #define HAVE_CHOWN 1
 #define HAVE_CHROOT 1
+#define HAVE_CLOSEFROM 1
+#define HAVE_CLOSE_RANGE 1
 #define HAVE_CTIME_R 1
 #define HAVE_CTYPE_H 1
 #define HAVE_DECL_EXTATTR_NAMESPACE_USER 0

contrib/android/config/linux_host.h

@@ -28,6 +28,8 @@
 
 #define HAVE_CHOWN 1
 #define HAVE_CHROOT 1
+#define HAVE_CLOSEFROM 1
+#define HAVE_CLOSE_RANGE 1
 #define HAVE_CTIME_R 1
 #define HAVE_CTYPE_H 1
 #define HAVE_DECL_EXTATTR_NAMESPACE_USER 0
@@ -180,7 +182,7 @@
 #define HAVE_WMEMCMP 1
 #define HAVE_WMEMCPY 1
 #define HAVE_ZLIB_H 1
-#define ICONV_CONST 
+#define ICONV_CONST
 #define LSTAT_FOLLOWS_SLASHED_SYMLINK 1
 #define SIZEOF_WCHAR_T 4
 #define STDC_HEADERS 1

contrib/android/config/windows_host.h

@@ -175,6 +175,12 @@
 /* Define to 1 if you have the `chroot' function. */
 /* #undef HAVE_CHROOT */
 
+/* Define to 1 if you have the `closefrom' function. */
+/* #undef HAVE_CLOSEFROM */
+
+/* Define to 1 if you have the `close_range' function. */
+/* #undef HAVE_CLOSE_RANGE */
+
 /* Define to 1 if you have the <copyfile.h> header file. */
 /* #undef HAVE_COPYFILE_H */
 
@@ -620,9 +626,6 @@
 /* Define to 1 if you have the <pwd.h> header file. */
 /* #undef HAVE_PWD_H */
 
-/* Define to 1 if you have a POSIX compatible readdir_r */
-#define HAVE_READDIR_R 1
-
 /* Define to 1 if you have the `readlink' function. */
 /* #undef HAVE_READLINK */
 

contrib/android/include/android_lf.h

@@ -1,4 +1,4 @@
-/* 
+/*
  * Macros for file64 functions
  *
  * Android does not support the macro _FILE_OFFSET_BITS=64
@@ -19,7 +19,6 @@
 #include <sys/vfs.h>
 
 //dirent.h
-#define readdir_r readdir64_r
 #define readdir readdir64
 #define dirent dirent64
 //fcntl.h

cpio/CMakeLists.txt

@@ -13,8 +13,8 @@ IF(ENABLE_CPIO)
     cpio.c
     cpio.h
     cpio_platform.h
-    ../libarchive_fe/err.c
-    ../libarchive_fe/err.h
+    ../libarchive_fe/lafe_err.c
+    ../libarchive_fe/lafe_err.h
     ../libarchive_fe/lafe_platform.h
     ../libarchive_fe/line_reader.c
     ../libarchive_fe/line_reader.h

cpio/cmdline.c

@@ -26,7 +26,7 @@
 #endif
 
 #include "cpio.h"
-#include "err.h"
+#include "lafe_err.h"
 
 /*
  * Short options for cpio.  Please keep this sorted.

cpio/cpio.c

@@ -60,7 +60,7 @@
 #endif
 
 #include "cpio.h"
-#include "err.h"
+#include "lafe_err.h"
 #include "line_reader.h"
 #include "passphrase.h"
 
@@ -124,13 +124,21 @@ main(int argc, char *argv[])
 	cpio->buff_size = sizeof(buff);
 
 
-#if defined(HAVE_SIGACTION) && defined(SIGPIPE)
-	{ /* Ignore SIGPIPE signals. */
+#if defined(HAVE_SIGACTION)
+	{
 		struct sigaction sa;
 		sigemptyset(&sa.sa_mask);
 		sa.sa_flags = 0;
+#ifdef SIGPIPE
+		/* Ignore SIGPIPE signals. */
 		sa.sa_handler = SIG_IGN;
 		sigaction(SIGPIPE, &sa, NULL);
+#endif
+#ifdef SIGCHLD
+		/* Do not ignore SIGCHLD. */
+		sa.sa_handler = SIG_DFL;
+		sigaction(SIGCHLD, &sa, NULL);
+#endif
 	}
 #endif
 

cpio/cpio_windows.c

@@ -24,7 +24,7 @@
 #include <sddl.h>
 
 #include "cpio.h"
-#include "err.h"
+#include "lafe_err.h"
 
 #define EPOC_TIME	(116444736000000000ULL)
 

cpio/test/CMakeLists.txt

@@ -9,7 +9,7 @@
 IF(ENABLE_CPIO AND ENABLE_TEST)
   SET(bsdcpio_test_SOURCES
     ../cmdline.c
-    ../../libarchive_fe/err.c
+    ../../libarchive_fe/lafe_err.c
     ../../test_utils/test_utils.c
     ../../test_utils/test_main.c
     test.h

cpio/test/test_format_newc.c

@@ -219,7 +219,7 @@ DEFINE_TEST(test_format_newc)
 		assert(is_hex(e, 110));
 		assertEqualMem(e + 0, "070701", 6); /* Magic */
 		assert(is_hex(e + 6, 8)); /* ino */
-#if defined(_WIN32) && !defined(CYGWIN)
+#if defined(_WIN32) && !defined(__CYGWIN__)
 		/* Mode: Group members bits and others bits do not work. */
 		assertEqualInt(0xa180, from_hex(e + 14, 8) & 0xffc0);
 #else

cpio/test/test_option_a.c

@@ -52,7 +52,7 @@ test_create(void)
 		 * #ifdef this section out.  Most of the test below is
 		 * still valid. */
 		memset(&times, 0, sizeof(times));
-#if defined(_WIN32) && !defined(CYGWIN)
+#if defined(_WIN32) && !defined(__CYGWIN__)
 		times.actime = 86400;
 		times.modtime = 86400;
 #else

cpio/test/test_owner_parse.c

@@ -7,7 +7,7 @@
 #include "test.h"
 
 #include "../cpio.h"
-#include "err.h"
+#include "lafe_err.h"
 
 #if !defined(_WIN32)
 #define ROOT "root"

libarchive/CMakeLists.txt

@@ -52,6 +52,7 @@ SET(libarchive_SOURCES
   archive_pathmatch.h
   archive_platform.h
   archive_platform_acl.h
+  archive_platform_stat.h
   archive_platform_xattr.h
   archive_ppmd_private.h
   archive_ppmd8.c
@@ -248,11 +249,14 @@ IF(BUILD_SHARED_LIBS)
   ADD_LIBRARY(archive SHARED ${libarchive_SOURCES} ${include_HEADERS})
   TARGET_INCLUDE_DIRECTORIES(archive PUBLIC .)
   TARGET_LINK_LIBRARIES(archive ${ADDITIONAL_LIBS})
-  SET_TARGET_PROPERTIES(archive PROPERTIES 
+  SET_TARGET_PROPERTIES(archive PROPERTIES
                         VERSION ${SOVERSION_FULL}
                         SOVERSION ${SOVERSION}
                         MACHO_COMPATIBILITY_VERSION ${MACHO_COMPATIBILITY_VERSION}
                         MACHO_CURRENT_VERSION ${MACHO_CURRENT_VERSION})
+  IF(WIN32 AND MSVC AND MSVC_USE_STATIC_CRT)
+    SET_PROPERTY(TARGET archive PROPERTY MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
+  ENDIF(WIN32 AND MSVC AND MSVC_USE_STATIC_CRT)
 ENDIF(BUILD_SHARED_LIBS)
 
 # archive_static is a static library
@@ -261,6 +265,9 @@ TARGET_INCLUDE_DIRECTORIES(archive_static PUBLIC .)
 TARGET_LINK_LIBRARIES(archive_static ${ADDITIONAL_LIBS})
 SET_TARGET_PROPERTIES(archive_static PROPERTIES COMPILE_DEFINITIONS
   LIBARCHIVE_STATIC)
+IF(WIN32 AND MSVC AND MSVC_USE_STATIC_CRT)
+  SET_PROPERTY(TARGET archive_static PROPERTY MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
+ENDIF(WIN32 AND MSVC AND MSVC_USE_STATIC_CRT)
 # On Posix systems, libarchive.so and libarchive.a can co-exist.
 IF(NOT WIN32 OR CYGWIN OR NOT BUILD_SHARED_LIBS)
   SET_TARGET_PROPERTIES(archive_static PROPERTIES OUTPUT_NAME archive)
@@ -271,13 +278,13 @@ IF(ENABLE_INSTALL)
   IF(BUILD_SHARED_LIBS)
     INSTALL(TARGETS archive
             RUNTIME DESTINATION bin
-            LIBRARY DESTINATION lib
-            ARCHIVE DESTINATION lib)
+            LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+            ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
   ENDIF(BUILD_SHARED_LIBS)
   INSTALL(TARGETS archive_static
           RUNTIME DESTINATION bin
-          LIBRARY DESTINATION lib
-          ARCHIVE DESTINATION lib)
+          LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+          ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
   INSTALL_MAN(${libarchive_MANS})
   INSTALL(FILES ${include_HEADERS} DESTINATION include)
 ENDIF()

libarchive/archive.h

@@ -34,7 +34,7 @@
  * assert that ARCHIVE_VERSION_NUMBER >= 2012108.
  */
 /* Note: Compiler will complain if this does not match archive_entry.h! */
-#define	ARCHIVE_VERSION_NUMBER 3008000
+#define	ARCHIVE_VERSION_NUMBER 3008002
 
 #include <sys/stat.h>
 #include <stddef.h>  /* for wchar_t */
@@ -177,7 +177,7 @@ __LA_DECL int		archive_version_number(void);
 /*
  * Textual name/version of the library, useful for version displays.
  */
-#define	ARCHIVE_VERSION_ONLY_STRING "3.8.0dev"
+#define	ARCHIVE_VERSION_ONLY_STRING "3.8.2"
 #define	ARCHIVE_VERSION_STRING "libarchive " ARCHIVE_VERSION_ONLY_STRING
 __LA_DECL const char *	archive_version_string(void);
 
@@ -1250,8 +1250,10 @@ __LA_DECL int	archive_match_include_gname_w(struct archive *,
 		    const wchar_t *);
 
 /* Utility functions */
+#if ARCHIVE_VERSION_NUMBER < 4000000
 /* Convenience function to sort a NULL terminated list of strings */
 __LA_DECL int archive_utility_string_sort(char **);
+#endif
 
 #ifdef __cplusplus
 }

libarchive/archive_acl.c

@@ -270,6 +270,19 @@ acl_new_entry(struct archive_acl *acl,
 {
 	struct archive_acl_entry *ap, *aq;
 
+	/* Reject an invalid type */
+	switch (type) {
+	case ARCHIVE_ENTRY_ACL_TYPE_ACCESS:
+	case ARCHIVE_ENTRY_ACL_TYPE_DEFAULT:
+	case ARCHIVE_ENTRY_ACL_TYPE_ALLOW:
+	case ARCHIVE_ENTRY_ACL_TYPE_DENY:
+	case ARCHIVE_ENTRY_ACL_TYPE_AUDIT:
+	case ARCHIVE_ENTRY_ACL_TYPE_ALARM:
+		break;
+	default:
+		return (NULL);
+	}
+
 	/* Type argument must be a valid NFS4 or POSIX.1e type.
 	 * The type must agree with anything already set and
 	 * the permset must be compatible. */
@@ -822,6 +835,9 @@ append_entry_w(wchar_t **wp, const wchar_t *prefix, int type,
 		wname = NULL;
 		id = -1;
 		break;
+	default:
+		**wp = '\0';
+		break;
 	}
 	*wp += wcslen(*wp);
 	*(*wp)++ = L':';
@@ -878,6 +894,7 @@ append_entry_w(wchar_t **wp, const wchar_t *prefix, int type,
 			wcscpy(*wp, L"alarm");
 			break;
 		default:
+			*(*wp) = L'\0';
 			break;
 		}
 		*wp += wcslen(*wp);
@@ -1057,6 +1074,9 @@ append_entry(char **p, const char *prefix, int type,
 		name = NULL;
 		id = -1;
 		break;
+	default:
+		**p = '\0';
+		break;
 	}
 	*p += strlen(*p);
 	*(*p)++ = ':';
@@ -1112,6 +1132,9 @@ append_entry(char **p, const char *prefix, int type,
 		case ARCHIVE_ENTRY_ACL_TYPE_ALARM:
 			strcpy(*p, "alarm");
 			break;
+		default:
+			*(*p) = '\0';
+			break;
 		}
 		*p += strlen(*p);
 	}

libarchive/archive_check_magic.c

@@ -30,6 +30,7 @@
 #endif
 
 #include <stdio.h>
+#include <errno.h>
 #ifdef HAVE_STDLIB_H
 #include <stdlib.h>
 #endif
@@ -54,8 +55,14 @@ errmsg(const char *m)
 
 	while (s > 0) {
 		written = write(2, m, s);
-		if (written <= 0)
+		if (written == 0)
 			return;
+		if (written < 0)
+		{
+			if (errno == EINTR)
+				continue;
+			return;
+		}
 		m += written;
 		s -= written;
 	}

libarchive/archive_cryptor.c

@@ -151,7 +151,7 @@ pbkdf2_sha1(const char *pw, size_t pw_len, const uint8_t *salt,
 	(void)rounds; /* UNUSED */
 	(void)derived_key; /* UNUSED */
 	(void)derived_key_len; /* UNUSED */
-	return -1; /* UNSUPPORTED */
+	return CRYPTOR_STUB_FUNCTION; /* UNSUPPORTED */
 }
 
 #endif
@@ -439,14 +439,14 @@ aes_ctr_init(archive_crypto_ctx *ctx, const uint8_t *key, size_t key_len)
 	(void)ctx; /* UNUSED */
 	(void)key; /* UNUSED */
 	(void)key_len; /* UNUSED */
-	return -1;
+	return CRYPTOR_STUB_FUNCTION;
 }
 
 static int
 aes_ctr_encrypt_counter(archive_crypto_ctx *ctx)
 {
 	(void)ctx; /* UNUSED */
-	return -1;
+	return CRYPTOR_STUB_FUNCTION;
 }
 
 static int
@@ -469,7 +469,7 @@ aes_ctr_update(archive_crypto_ctx *ctx, const uint8_t * const in,
 	(void)out; /* UNUSED */
 	(void)out_len; /* UNUSED */
 	aes_ctr_encrypt_counter(ctx); /* UNUSED */ /* Fix unused function warning */
-	return -1;
+	return CRYPTOR_STUB_FUNCTION;
 }
 
 #else

libarchive/archive_cryptor_private.h

@@ -43,7 +43,7 @@ int __libarchive_cryptor_build_hack(void);
 #ifdef __APPLE__
 # include <AvailabilityMacros.h>
 # if MAC_OS_X_VERSION_MAX_ALLOWED >= 1080
-#  define ARCHIVE_CRYPTOR_USE_Apple_CommonCrypto
+#  define ARCHIVE_CRYPTOR_USE_Apple_CommonCrypto 1
 # endif
 #endif
 
@@ -144,6 +144,16 @@ typedef struct {
 
 #else
 
+#if defined(ARCHIVE_CRYPTO_MD5_WIN)    ||\
+	defined(ARCHIVE_CRYPTO_SHA1_WIN)   ||\
+	defined(ARCHIVE_CRYPTO_SHA256_WIN) ||\
+	defined(ARCHIVE_CRYPTO_SHA384_WIN) ||\
+	defined(ARCHIVE_CRYPTO_SHA512_WIN)
+#if defined(_WIN32) && !defined(__CYGWIN__) && !(defined(HAVE_BCRYPT_H) && _WIN32_WINNT >= _WIN32_WINNT_VISTA)
+#define ARCHIVE_CRYPTOR_USE_WINCRYPT 1
+#endif
+#endif
+
 #define AES_BLOCK_SIZE	16
 #define AES_MAX_KEY_SIZE 32
 typedef int archive_crypto_ctx;
@@ -168,6 +178,9 @@ typedef int archive_crypto_ctx;
 #define archive_encrypto_aes_ctr_release(ctx) \
   __archive_cryptor.encrypto_aes_ctr_release(ctx)
 
+/* Stub return value if no encryption support exists. */
+#define CRYPTOR_STUB_FUNCTION	-2
+
 /* Minimal interface to cryptographic functionality for internal use in
  * libarchive */
 struct archive_cryptor

libarchive/archive_entry.h

@@ -28,7 +28,7 @@
 #define	ARCHIVE_ENTRY_H_INCLUDED
 
 /* Note: Compiler will complain if this does not match archive.h! */
-#define	ARCHIVE_VERSION_NUMBER 3008000
+#define	ARCHIVE_VERSION_NUMBER 3008002
 
 /*
  * Note: archive_entry.h is for use outside of libarchive; the

libarchive/archive_entry_paths.3

@@ -64,7 +64,7 @@ Streaming Archive Library (libarchive, -larchive)
 .Ft void
 .Fn archive_entry_copy_hardlink "struct archive_entry *a" "const char *path"
 .Ft void
-.Fn archive_entry_copy_hardlink_w "struct archive_entry *a "const wchar_t *path"
+.Fn archive_entry_copy_hardlink_w "struct archive_entry *a" "const wchar_t *path"
 .Ft int
 .Fn archive_entry_update_hardlink_utf8 "struct archive_entry *a" "const char *path"
 .Ft void

libarchive/archive_entry_stat.c

@@ -38,6 +38,7 @@
 const struct stat *
 archive_entry_stat(struct archive_entry *entry)
 {
+	int64_t size;
 	struct stat *st;
 	if (entry->stat == NULL) {
 		entry->stat = calloc(1, sizeof(*st));
@@ -74,7 +75,10 @@ archive_entry_stat(struct archive_entry *entry)
 	st->st_ino = (ino_t)archive_entry_ino64(entry);
 	st->st_nlink = archive_entry_nlink(entry);
 	st->st_rdev = archive_entry_rdev(entry);
-	st->st_size = (off_t)archive_entry_size(entry);
+	size = archive_entry_size(entry);
+	st->st_size = (off_t)size;
+	if (st->st_size < 0 || (int64_t)st->st_size != size)
+		st->st_size = 0;
 	st->st_mode = archive_entry_mode(entry);
 
 	/*

libarchive/archive_match.c

@@ -35,6 +35,9 @@
 #ifdef HAVE_STRING_H
 #include <string.h>
 #endif
+#ifdef HAVE_LIMITS_H
+#include <limits.h>
+#endif
 
 #include "archive.h"
 #include "archive_private.h"
@@ -53,8 +56,7 @@ struct match {
 struct match_list {
 	struct match		*first;
 	struct match		**last;
-	int			 count;
-	int			 unmatched_count;
+	size_t			 unmatched_count;
 	struct match		*unmatched_next;
 	int			 unmatched_eof;
 };
@@ -73,7 +75,6 @@ struct match_file {
 struct entry_list {
 	struct match_file	*first;
 	struct match_file	**last;
-	int			 count;
 };
 
 struct id_array {
@@ -144,12 +145,15 @@ static int	add_pattern_mbs(struct archive_match *, struct match_list *,
 		    const char *);
 static int	add_pattern_wcs(struct archive_match *, struct match_list *,
 		    const wchar_t *);
+#if !defined(_WIN32) || defined(__CYGWIN__)
 static int	cmp_key_mbs(const struct archive_rb_node *, const void *);
-static int	cmp_key_wcs(const struct archive_rb_node *, const void *);
 static int	cmp_node_mbs(const struct archive_rb_node *,
 		    const struct archive_rb_node *);
+#else
+static int	cmp_key_wcs(const struct archive_rb_node *, const void *);
 static int	cmp_node_wcs(const struct archive_rb_node *,
 		    const struct archive_rb_node *);
+#endif
 static void	entry_list_add(struct entry_list *, struct match_file *);
 static void	entry_list_free(struct entry_list *);
 static void	entry_list_init(struct entry_list *);
@@ -189,12 +193,12 @@ static int	validate_time_flag(struct archive *, int, const char *);
 
 #define get_date archive_parse_date
 
-static const struct archive_rb_tree_ops rb_ops_mbs = {
+static const struct archive_rb_tree_ops rb_ops = {
+#if !defined(_WIN32) || defined(__CYGWIN__)
 	cmp_node_mbs, cmp_key_mbs
-};
-
-static const struct archive_rb_tree_ops rb_ops_wcs = {
+#else
 	cmp_node_wcs, cmp_key_wcs
+#endif
 };
 
 /*
@@ -228,7 +232,7 @@ archive_match_new(void)
 	a->recursive_include = 1;
 	match_list_init(&(a->inclusions));
 	match_list_init(&(a->exclusions));
-	__archive_rb_tree_init(&(a->exclusion_tree), &rb_ops_mbs);
+	__archive_rb_tree_init(&(a->exclusion_tree), &rb_ops);
 	entry_list_init(&(a->exclusion_entry_list));
 	match_list_init(&(a->inclusion_unames));
 	match_list_init(&(a->inclusion_gnames));
@@ -507,7 +511,9 @@ archive_match_path_unmatched_inclusions(struct archive *_a)
 	    ARCHIVE_STATE_NEW, "archive_match_unmatched_inclusions");
 	a = (struct archive_match *)_a;
 
-	return (a->inclusions.unmatched_count);
+	if (a->inclusions.unmatched_count > (size_t)INT_MAX)
+		return INT_MAX;
+	return (int)(a->inclusions.unmatched_count);
 }
 
 int
@@ -650,7 +656,7 @@ add_pattern_from_file(struct archive_match *a, struct match_list *mlist,
 						break;
 					}
 				} else {
-			            	if (*b == 0x0d || *b == 0x0a) {
+					if (*b == 0x0d || *b == 0x0a) {
 						found_separator = 1;
 						break;
 					}
@@ -735,7 +741,7 @@ path_excluded(struct archive_match *a, int mbs, const void *pathname)
 		}
 	}
 
-	/* Exclusions take priority */
+	/* Exclusions take priority. */
 	for (match = a->exclusions.first; match != NULL;
 	    match = match->next){
 		r = match_path_exclusion(a, match, mbs, pathname);
@@ -834,7 +840,6 @@ match_list_init(struct match_list *list)
 {
 	list->first = NULL;
 	list->last = &(list->first);
-	list->count = 0;
 }
 
 static void
@@ -855,7 +860,6 @@ match_list_add(struct match_list *list, struct match *m)
 {
 	*list->last = m;
 	list->last = &(m->next);
-	list->count++;
 	list->unmatched_count++;
 }
 
@@ -1275,6 +1279,7 @@ set_timefilter_pathname_wcs(struct archive_match *a, int timetype,
 /*
  * Call back functions for archive_rb.
  */
+#if !defined(_WIN32) || defined(__CYGWIN__)
 static int
 cmp_node_mbs(const struct archive_rb_node *n1,
     const struct archive_rb_node *n2)
@@ -1291,7 +1296,7 @@ cmp_node_mbs(const struct archive_rb_node *n1,
 		return (-1);
 	return (strcmp(p1, p2));
 }
-        
+
 static int
 cmp_key_mbs(const struct archive_rb_node *n, const void *key)
 {
@@ -1303,7 +1308,7 @@ cmp_key_mbs(const struct archive_rb_node *n, const void *key)
 		return (-1);
 	return (strcmp(p, (const char *)key));
 }
-
+#else
 static int
 cmp_node_wcs(const struct archive_rb_node *n1,
     const struct archive_rb_node *n2)
@@ -1320,7 +1325,7 @@ cmp_node_wcs(const struct archive_rb_node *n1,
 		return (-1);
 	return (wcscmp(p1, p2));
 }
-        
+
 static int
 cmp_key_wcs(const struct archive_rb_node *n, const void *key)
 {
@@ -1332,13 +1337,13 @@ cmp_key_wcs(const struct archive_rb_node *n, const void *key)
 		return (-1);
 	return (wcscmp(p, (const wchar_t *)key));
 }
+#endif
 
 static void
 entry_list_init(struct entry_list *list)
 {
 	list->first = NULL;
 	list->last = &(list->first);
-	list->count = 0;
 }
 
 static void
@@ -1359,7 +1364,6 @@ entry_list_add(struct entry_list *list, struct match_file *file)
 {
 	*list->last = file;
 	list->last = &(file->next);
-	list->count++;
 }
 
 static int
@@ -1382,9 +1386,7 @@ add_entry(struct archive_match *a, int flag,
 		return (ARCHIVE_FAILED);
 	}
 	archive_mstring_copy_wcs(&(f->pathname), pathname);
-	a->exclusion_tree.rbt_ops = &rb_ops_wcs;
 #else
-	(void)rb_ops_wcs;
 	pathname = archive_entry_pathname(entry);
 	if (pathname == NULL) {
 		free(f);
@@ -1392,7 +1394,6 @@ add_entry(struct archive_match *a, int flag,
 		return (ARCHIVE_FAILED);
 	}
 	archive_mstring_copy_mbs(&(f->pathname), pathname);
-	a->exclusion_tree.rbt_ops = &rb_ops_mbs;
 #endif
 	f->flag = flag;
 	f->mtime_sec = archive_entry_mtime(entry);
@@ -1517,16 +1518,13 @@ time_excluded(struct archive_match *a, struct archive_entry *entry)
 	}
 
 	/* If there is no exclusion list, include the file. */
-	if (a->exclusion_entry_list.count == 0)
+	if (a->exclusion_entry_list.first == NULL)
 		return (0);
 
 #if defined(_WIN32) && !defined(__CYGWIN__)
 	pathname = archive_entry_pathname_w(entry);
-	a->exclusion_tree.rbt_ops = &rb_ops_wcs;
 #else
-	(void)rb_ops_wcs;
 	pathname = archive_entry_pathname(entry);
-	a->exclusion_tree.rbt_ops = &rb_ops_mbs;
 #endif
 	if (pathname == NULL)
 		return (0);
@@ -1682,7 +1680,7 @@ archive_match_owner_excluded(struct archive *_a,
 static int
 add_owner_id(struct archive_match *a, struct id_array *ids, int64_t id)
 {
-	unsigned i;
+	size_t i;
 
 	if (ids->count + 1 >= ids->size) {
 		void *p;
@@ -1719,10 +1717,10 @@ add_owner_id(struct archive_match *a, struct id_array *ids, int64_t id)
 static int
 match_owner_id(struct id_array *ids, int64_t id)
 {
-	unsigned b, m, t;
+	size_t b, m, t;
 
 	t = 0;
-	b = (unsigned)ids->count;
+	b = ids->count;
 	while (t < b) {
 		m = (t + b)>>1;
 		if (ids->ids[m] == id)
@@ -1817,7 +1815,7 @@ owner_excluded(struct archive_match *a, struct archive_entry *entry)
 			return (1);
 	}
 
-	if (a->inclusion_unames.count) {
+	if (a->inclusion_unames.first != NULL) {
 #if defined(_WIN32) && !defined(__CYGWIN__)
 		r = match_owner_name_wcs(a, &(a->inclusion_unames),
 			archive_entry_uname_w(entry));
@@ -1831,7 +1829,7 @@ owner_excluded(struct archive_match *a, struct archive_entry *entry)
 			return (r);
 	}
 
-	if (a->inclusion_gnames.count) {
+	if (a->inclusion_gnames.first != NULL) {
 #if defined(_WIN32) && !defined(__CYGWIN__)
 		r = match_owner_name_wcs(a, &(a->inclusion_gnames),
 			archive_entry_gname_w(entry));

libarchive/archive_parse_date.c

@@ -703,9 +703,7 @@ Convert(time_t Month, time_t Day, time_t Year,
 		Year += 1900;
 	DaysInMonth[1] = Year % 4 == 0 && (Year % 100 != 0 || Year % 400 == 0)
 	    ? 29 : 28;
-	/* Checking for 2038 bogusly assumes that time_t is 32 bits.  But
-	   I'm too lazy to try to check for time_t overflow in another way.  */
-	if (Year < EPOCH || Year >= 2038
+	if (Year < EPOCH || (sizeof(time_t) <= 4 && Year >= 2038)
 	    || Month < 1 || Month > 12
 	    /* Lint fluff:  "conversion from long may lose accuracy" */
 	    || Day < 1 || Day > DaysInMonth[(int)--Month]

libarchive/archive_platform.h

@@ -183,16 +183,6 @@
 #define	CAN_RESTORE_METADATA_FD
 #endif
 
-/*
- * glibc 2.24 deprecates readdir_r
- * bionic c deprecates readdir_r too
- */
-#if defined(HAVE_READDIR_R) && (!defined(__GLIBC__) || !defined(__GLIBC_MINOR__) || __GLIBC__ < 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 24)) && (!defined(__ANDROID__))
-#define	USE_READDIR_R	1
-#else
-#undef	USE_READDIR_R
-#endif
-
 /* Set up defaults for internal error codes. */
 #ifndef ARCHIVE_ERRNO_FILE_FORMAT
 #if HAVE_EFTYPE

libarchive/archive_platform_stat.h

@@ -0,0 +1,45 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2025 Tobias Stoeckmann
+ * All rights reserved.
+ */
+
+/* !!ONLY FOR USE INTERNALLY TO LIBARCHIVE!! */
+
+#ifndef ARCHIVE_PLATFORM_STAT_H_INCLUDED
+#define ARCHIVE_PLATFORM_STAT_H_INCLUDED
+
+#ifndef __LIBARCHIVE_BUILD
+#error This header is only to be used internally to libarchive.
+#endif
+
+#if defined(_WIN32) && !defined(__CYGWIN__)
+/* We use _lseeki64() on Windows. */
+typedef int64_t la_seek_t;
+
+struct la_seek_stat {
+	int64_t		st_mtime;
+	ino_t		st_ino;
+	unsigned short	st_mode;
+	uint32_t	st_nlink;
+	gid_t		st_gid;
+	la_seek_t	st_size;
+	uid_t		st_uid;
+	dev_t		st_dev;
+	dev_t		st_rdev;
+};
+typedef struct la_seek_stat la_seek_stat_t;
+
+#define la_seek_fstat(fd, st)	__la_seek_fstat((fd), (st))
+#define la_seek_stat(fd, st)	__la_seek_stat((fd), (st))
+
+#else
+typedef off_t la_seek_t;
+typedef struct stat la_seek_stat_t;
+
+#define la_seek_fstat(fd, st)	fstat((fd), (st))
+#define la_seek_stat(fd, st)	stat((fd), (st))
+#endif
+
+#endif	/* !ARCHIVE_PLATFORM_STAT_H_INCLUDED */

libarchive/archive_private.h

@@ -158,6 +158,7 @@ int	__archive_check_magic(struct archive *, unsigned int magic,
 __LA_NORETURN void	__archive_errx(int retvalue, const char *msg);
 
 void	__archive_ensure_cloexec_flag(int fd);
+int	__archive_get_tempdir(struct archive_string *);
 int	__archive_mktemp(const char *tmpdir);
 #if defined(_WIN32) && !defined(__CYGWIN__)
 int	__archive_mkstemp(wchar_t *templates);

libarchive/archive_read.c

@@ -575,8 +575,7 @@ choose_filters(struct archive_read *a)
 			return (ARCHIVE_OK);
 		}
 
-		filter
-		    = calloc(1, sizeof(*filter));
+		filter = calloc(1, sizeof(*filter));
 		if (filter == NULL)
 			return (ARCHIVE_FATAL);
 		filter->bidder = best_bidder;
@@ -834,7 +833,9 @@ archive_read_data(struct archive *_a, void *buff, size_t s)
 			r = archive_read_data_block(a, &read_buf,
 			    &a->read_data_remaining, &a->read_data_offset);
 			a->read_data_block = read_buf;
-			if (r == ARCHIVE_EOF)
+			if (r == ARCHIVE_EOF &&
+			    a->read_data_offset == a->read_data_output_offset &&
+			    a->read_data_remaining == 0)
 				return (bytes_read);
 			/*
 			 * Error codes are all negative, so the status

libarchive/archive_read_disk_entry_from_file.c

@@ -338,7 +338,7 @@ setup_mac_metadata(struct archive_read_disk *a,
 	int ret = ARCHIVE_OK;
 	void *buff = NULL;
 	int have_attrs;
-	const char *name, *tempdir;
+	const char *name;
 	struct archive_string tempfile;
 
 	(void)fd; /* UNUSED */
@@ -357,13 +357,11 @@ setup_mac_metadata(struct archive_read_disk *a,
 	if (have_attrs == 0)
 		return (ARCHIVE_OK);
 
-	tempdir = NULL;
-	if (issetugid() == 0)
-		tempdir = getenv("TMPDIR");
-	if (tempdir == NULL)
-		tempdir = _PATH_TMP;
 	archive_string_init(&tempfile);
-	archive_strcpy(&tempfile, tempdir);
+	if (__archive_get_tempdir(&tempfile) != ARCHIVE_OK) {
+		ret = ARCHIVE_WARN;
+		goto cleanup;
+	}
 	archive_strcat(&tempfile, "tar.md.XXXXXX");
 	tempfd = mkstemp(tempfile.s);
 	if (tempfd < 0) {

libarchive/archive_read_disk_posix.c

@@ -168,9 +168,6 @@ struct filesystem {
 	int		synthetic;
 	int		remote;
 	int		noatime;
-#if defined(USE_READDIR_R)
-	size_t		name_max;
-#endif
 	long		incr_xfer_size;
 	long		max_xfer_size;
 	long		min_xfer_size;
@@ -203,10 +200,6 @@ struct tree {
 	DIR			*d;
 #define	INVALID_DIR_HANDLE NULL
 	struct dirent		*de;
-#if defined(USE_READDIR_R)
-	struct dirent		*dirent;
-	size_t			 dirent_allocated;
-#endif
 	int			 flags;
 	int			 visit_type;
 	/* Error code from last failed operation. */
@@ -869,7 +862,7 @@ next_entry(struct archive_read_disk *a, struct tree *t,
 			tree_enter_initial_dir(t);
 			return (ARCHIVE_FATAL);
 		case TREE_ERROR_DIR:
-			archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,
+			archive_set_error(&a->archive, t->tree_errno,
 			    "%s: Couldn't visit directory",
 			    tree_current_path(t));
 			tree_enter_initial_dir(t);
@@ -1578,9 +1571,6 @@ setup_current_filesystem(struct archive_read_disk *a)
 #  endif
 #endif
 	int r, xr = 0;
-#if !defined(HAVE_STRUCT_STATFS_F_NAMEMAX)
-	long nm;
-#endif
 
 	t->current_filesystem->synthetic = -1;
 	t->current_filesystem->remote = -1;
@@ -1647,35 +1637,6 @@ setup_current_filesystem(struct archive_read_disk *a)
 #endif
 		t->current_filesystem->noatime = 0;
 
-#if defined(USE_READDIR_R)
-	/* Set maximum filename length. */
-#if defined(HAVE_STRUCT_STATFS_F_NAMEMAX)
-	t->current_filesystem->name_max = sfs.f_namemax;
-#else
-# if defined(_PC_NAME_MAX)
-	/* Mac OS X does not have f_namemax in struct statfs. */
-	if (tree_current_is_symblic_link_target(t)) {
-		if (tree_enter_working_dir(t) != 0) {
-			archive_set_error(&a->archive, errno, "fchdir failed");
-			return (ARCHIVE_FAILED);
-		}
-		nm = pathconf(tree_current_access_path(t), _PC_NAME_MAX);
-	} else
-		nm = fpathconf(tree_current_dir_fd(t), _PC_NAME_MAX);
-# else
-	nm = -1;
-# endif
-	if (nm == -1)
-		t->current_filesystem->name_max = NAME_MAX;
-	else
-		t->current_filesystem->name_max = nm;
-#endif
-	if (t->current_filesystem->name_max == 0) {
-		archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,
-		    "Cannot determine name_max");
-		return (ARCHIVE_FAILED);
-	}
-#endif /* USE_READDIR_R */
 	return (ARCHIVE_OK);
 }
 
@@ -1863,19 +1824,6 @@ setup_current_filesystem(struct archive_read_disk *a)
 #endif
 		t->current_filesystem->noatime = 0;
 
-#if defined(USE_READDIR_R)
-	/* Set maximum filename length. */
-#if defined(HAVE_STATVFS)
-	t->current_filesystem->name_max = svfs.f_namemax;
-#else
-	t->current_filesystem->name_max = sfs.f_namelen;
-#endif
-	if (t->current_filesystem->name_max == 0) {
-		archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,
-		    "Cannot determine name_max");
-		return (ARCHIVE_FAILED);
-	}
-#endif
 	return (ARCHIVE_OK);
 }
 
@@ -1953,15 +1901,6 @@ setup_current_filesystem(struct archive_read_disk *a)
 #endif
 		t->current_filesystem->noatime = 0;
 
-#if defined(USE_READDIR_R)
-	/* Set maximum filename length. */
-	t->current_filesystem->name_max = svfs.f_namemax;
-	if (t->current_filesystem->name_max == 0) {
-		archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,
-		    "Cannot determine name_max");
-		return (ARCHIVE_FAILED);
-	}
-#endif
 	return (ARCHIVE_OK);
 }
 
@@ -1975,9 +1914,6 @@ static int
 setup_current_filesystem(struct archive_read_disk *a)
 {
 	struct tree *t = a->tree;
-#if defined(_PC_NAME_MAX) && defined(USE_READDIR_R)
-	long nm;
-#endif
 	t->current_filesystem->synthetic = -1;/* Not supported */
 	t->current_filesystem->remote = -1;/* Not supported */
 	t->current_filesystem->noatime = 0;
@@ -1987,40 +1923,6 @@ setup_current_filesystem(struct archive_read_disk *a)
 	t->current_filesystem->min_xfer_size = -1;
 	t->current_filesystem->incr_xfer_size = -1;
 
-#if defined(USE_READDIR_R)
-	/* Set maximum filename length. */
-#  if defined(_PC_NAME_MAX)
-	if (tree_current_is_symblic_link_target(t)) {
-		if (tree_enter_working_dir(t) != 0) {
-			archive_set_error(&a->archive, errno, "fchdir failed");
-			return (ARCHIVE_FAILED);
-		}
-		nm = pathconf(tree_current_access_path(t), _PC_NAME_MAX);
-	} else
-		nm = fpathconf(tree_current_dir_fd(t), _PC_NAME_MAX);
-	if (nm == -1)
-#  endif /* _PC_NAME_MAX */
-		/*
-		 * Some systems (HP-UX or others?) incorrectly defined
-		 * NAME_MAX macro to be a smaller value.
-		 */
-#  if defined(NAME_MAX) && NAME_MAX >= 255
-		t->current_filesystem->name_max = NAME_MAX;
-#  else
-		/* No way to get a trusted value of maximum filename
-		 * length. */
-		t->current_filesystem->name_max = PATH_MAX;
-#  endif /* NAME_MAX */
-#  if defined(_PC_NAME_MAX)
-	else
-		t->current_filesystem->name_max = nm;
-#  endif /* _PC_NAME_MAX */
-	if (t->current_filesystem->name_max == 0) {
-		archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,
-		    "Cannot determine name_max");
-		return (ARCHIVE_FAILED);
-	}
-#endif /* USE_READDIR_R */
 	return (ARCHIVE_OK);
 }
 
@@ -2112,8 +2014,11 @@ tree_dup(int fd)
 	}
 #endif /* F_DUPFD_CLOEXEC */
 	new_fd = dup(fd);
-	__archive_ensure_cloexec_flag(new_fd);
-	return (new_fd);
+	if (new_fd != -1) {
+		__archive_ensure_cloexec_flag(new_fd);
+		return (new_fd);
+	}
+	return (-1);
 }
 
 /*
@@ -2235,11 +2140,16 @@ tree_reopen(struct tree *t, const char *path, int restore_time)
 	 * so try again for execute. The consequences of not opening this are
 	 * unhelpful and unnecessary errors later.
 	 */
-	if (t->initial_dir_fd < 0)
+	if (t->initial_dir_fd < 0) {
 		t->initial_dir_fd = open(".", o_flag | O_CLOEXEC);
+		if (t->initial_dir_fd < 0)
+			return NULL;
+	}
 #endif
 	__archive_ensure_cloexec_flag(t->initial_dir_fd);
 	t->working_dir_fd = tree_dup(t->initial_dir_fd);
+	if (t->working_dir_fd < 0)
+		return NULL;
 	return (t);
 }
 
@@ -2449,12 +2359,11 @@ tree_dir_next_posix(struct tree *t)
 	size_t namelen;
 
 	if (t->d == NULL) {
-#if defined(USE_READDIR_R)
-		size_t dirent_size;
-#endif
 
 #if defined(HAVE_FDOPENDIR)
-		t->d = fdopendir(tree_dup(t->working_dir_fd));
+		int fd = tree_dup(t->working_dir_fd);
+		if (fd != -1)
+			t->d = fdopendir(fd);
 #else /* HAVE_FDOPENDIR */
 		if (tree_enter_working_dir(t) == 0) {
 			t->d = opendir(".");
@@ -2470,45 +2379,12 @@ tree_dir_next_posix(struct tree *t)
 			t->visit_type = r != 0 ? r : TREE_ERROR_DIR;
 			return (t->visit_type);
 		}
-#if defined(USE_READDIR_R)
-		dirent_size = offsetof(struct dirent, d_name) +
-		  t->filesystem_table[t->current->filesystem_id].name_max + 1;
-		if (t->dirent == NULL || t->dirent_allocated < dirent_size) {
-			free(t->dirent);
-			t->dirent = malloc(dirent_size);
-			if (t->dirent == NULL) {
-				closedir(t->d);
-				t->d = INVALID_DIR_HANDLE;
-				(void)tree_ascend(t);
-				tree_pop(t);
-				t->tree_errno = ENOMEM;
-				t->visit_type = TREE_ERROR_DIR;
-				return (t->visit_type);
-			}
-			t->dirent_allocated = dirent_size;
-		}
-#endif /* USE_READDIR_R */
 	}
 	for (;;) {
 		errno = 0;
-#if defined(USE_READDIR_R)
-		r = readdir_r(t->d, t->dirent, &t->de);
-#ifdef _AIX
-		/* Note: According to the man page, return value 9 indicates
-		 * that the readdir_r was not successful and the error code
-		 * is set to the global errno variable. And then if the end
-		 * of directory entries was reached, the return value is 9
-		 * and the third parameter is set to NULL and errno is
-		 * unchanged. */
-		if (r == 9)
-			r = errno;
-#endif /* _AIX */
-		if (r != 0 || t->de == NULL) {
-#else
 		t->de = readdir(t->d);
 		if (t->de == NULL) {
 			r = errno;
-#endif
 			closedir(t->d);
 			t->d = INVALID_DIR_HANDLE;
 			if (r != 0) {
@@ -2747,9 +2623,6 @@ tree_free(struct tree *t)
 	if (t == NULL)
 		return;
 	archive_string_free(&t->path);
-#if defined(USE_READDIR_R)
-	free(t->dirent);
-#endif
 	free(t->sparse_list);
 	for (i = 0; i < t->max_filesystem_id; i++)
 		free(t->filesystem_table[i].allocation_ptr);

libarchive/archive_read_disk_windows.c

@@ -1652,7 +1652,7 @@ tree_push(struct tree *t, const wchar_t *path, const wchar_t *full_path,
 /*
  * Append a name to the current dir path.
  */
-static void
+static int
 tree_append(struct tree *t, const wchar_t *name, size_t name_length)
 {
 	size_t size_needed;
@@ -1665,7 +1665,8 @@ tree_append(struct tree *t, const wchar_t *name, size_t name_length)
 
 	/* Resize pathname buffer as needed. */
 	size_needed = name_length + t->dirname_length + 2;
-	archive_wstring_ensure(&t->path, size_needed);
+	if (archive_wstring_ensure(&t->path, size_needed) == NULL)
+		return (TREE_ERROR_FATAL);
 	/* Add a separating '/' if it's needed. */
 	if (t->dirname_length > 0 &&
 	    t->path.s[archive_strlen(&t->path)-1] != L'/')
@@ -1677,13 +1678,15 @@ tree_append(struct tree *t, const wchar_t *name, size_t name_length)
 		t->full_path.s[t->full_path_dir_length] = L'\0';
 		t->full_path.length = t->full_path_dir_length;
 		size_needed = name_length + t->full_path_dir_length + 2;
-		archive_wstring_ensure(&t->full_path, size_needed);
+		if (archive_wstring_ensure(&t->full_path, size_needed) == NULL)
+			return (TREE_ERROR_FATAL);
 		/* Add a separating '\' if it's needed. */
 		if (t->full_path.s[archive_strlen(&t->full_path)-1] != L'\\')
 			archive_wstrappend_wchar(&t->full_path, L'\\');
 		archive_wstrncat(&t->full_path, name, name_length);
 		t->restore_time.full_path = t->full_path.s;
 	}
+	return (0);
 }
 
 /*
@@ -1697,7 +1700,10 @@ tree_open(const wchar_t *path, int symlink_mode, int restore_time)
 	t = calloc(1, sizeof(*t));
 	archive_string_init(&(t->full_path));
 	archive_string_init(&t->path);
-	archive_wstring_ensure(&t->path, 15);
+	if (archive_wstring_ensure(&t->path, 15) == NULL) {
+		free(t);
+		return (NULL);
+	}
 	t->initial_symlink_mode = symlink_mode;
 	return (tree_reopen(t, path, restore_time));
 }
@@ -1756,7 +1762,8 @@ tree_reopen(struct tree *t, const wchar_t *path, int restore_time)
 		p = wcsrchr(base, L'/');
 		if (p != NULL) {
 			*p = L'\0';
-			tree_append(t, base, p - base);
+			if (tree_append(t, base, p - base))
+				goto failed;
 			t->dirname_length = archive_strlen(&t->path);
 			base = p + 1;
 		}
@@ -1892,8 +1899,10 @@ tree_next(struct tree *t)
 			}
 			/* Top stack item needs a regular visit. */
 			t->current = t->stack;
-			tree_append(t, t->stack->name.s,
+			r = tree_append(t, t->stack->name.s,
 			    archive_strlen(&(t->stack->name)));
+			if (r != 0)
+				return (r);
 			//t->dirname_length = t->path_length;
 			//tree_pop(t);
 			t->stack->flags &= ~needsFirstVisit;
@@ -1901,8 +1910,10 @@ tree_next(struct tree *t)
 		} else if (t->stack->flags & needsDescent) {
 			/* Top stack item is dir to descend into. */
 			t->current = t->stack;
-			tree_append(t, t->stack->name.s,
+			r = tree_append(t, t->stack->name.s,
 			    archive_strlen(&(t->stack->name)));
+			if (r != 0)
+				return (r);
 			t->stack->flags &= ~needsDescent;
 			r = tree_descent(t);
 			if (r != 0) {
@@ -1945,9 +1956,10 @@ tree_dir_next_windows(struct tree *t, const wchar_t *pattern)
 			struct archive_wstring pt;
 
 			archive_string_init(&pt);
-			archive_wstring_ensure(&pt,
+			if (archive_wstring_ensure(&pt,
 			    archive_strlen(&(t->full_path))
-			      + 2 + wcslen(pattern));
+			      + 2 + wcslen(pattern)) == NULL)
+				return (TREE_ERROR_FATAL);
 			archive_wstring_copy(&pt, &(t->full_path));
 			archive_wstrappend_wchar(&pt, L'\\');
 			archive_wstrcat(&pt, pattern);
@@ -1979,7 +1991,9 @@ tree_dir_next_windows(struct tree *t, const wchar_t *pattern)
 			continue;
 		if (name[0] == L'.' && name[1] == L'.' && name[2] == L'\0')
 			continue;
-		tree_append(t, name, namelen);
+		r = tree_append(t, name, namelen);
+		if (r != 0)
+			return (r);
 		return (t->visit_type = TREE_REGULAR);
 	}
 }

libarchive/archive_read_open_fd.c

@@ -48,6 +48,7 @@
 #endif
 
 #include "archive.h"
+#include "archive_platform_stat.h"
 
 struct read_fd_data {
 	int	 fd;
@@ -65,12 +66,12 @@ static int64_t	file_skip(struct archive *, void *, int64_t request);
 int
 archive_read_open_fd(struct archive *a, int fd, size_t block_size)
 {
-	struct stat st;
+	la_seek_stat_t st;
 	struct read_fd_data *mine;
 	void *b;
 
 	archive_clear_error(a);
-	if (fstat(fd, &st) != 0) {
+	if (la_seek_fstat(fd, &st) != 0) {
 		archive_set_error(a, errno, "Can't stat fd %d", fd);
 		return (ARCHIVE_FATAL);
 	}
@@ -133,7 +134,7 @@ static int64_t
 file_skip(struct archive *a, void *client_data, int64_t request)
 {
 	struct read_fd_data *mine = (struct read_fd_data *)client_data;
-	off_t skip = (off_t)request;
+	la_seek_t skip = (la_seek_t)request;
 	int64_t old_offset, new_offset;
 	int skip_bits = sizeof(skip) * 8 - 1;  /* off_t is a signed type. */
 
@@ -149,7 +150,8 @@ file_skip(struct archive *a, void *client_data, int64_t request)
 	}
 
 	/* Reduce 'skip' to the next smallest multiple of block_size */
-	skip = (off_t)(((int64_t)skip / mine->block_size) * mine->block_size);
+	skip = (la_seek_t)(((int64_t)skip / mine->block_size) * mine->block_size);
+
 	if (skip == 0)
 		return (0);
 
@@ -185,27 +187,28 @@ static int64_t
 file_seek(struct archive *a, void *client_data, int64_t request, int whence)
 {
 	struct read_fd_data *mine = (struct read_fd_data *)client_data;
-	off_t seek = (off_t)request;
+	la_seek_t seek = (la_seek_t)request;
 	int64_t r;
 	int seek_bits = sizeof(seek) * 8 - 1;  /* off_t is a signed type. */
 
 	/* We use off_t here because lseek() is declared that way. */
 
-	/* Reduce a request that would overflow the 'seek' variable. */
+	/* Do not perform a seek which cannot be fulfilled. */
 	if (sizeof(request) > sizeof(seek)) {
 		const int64_t max_seek =
 		    (((int64_t)1 << (seek_bits - 1)) - 1) * 2 + 1;
 		const int64_t min_seek = ~max_seek;
-		if (request > max_seek)
-			seek = (off_t)max_seek;
-		else if (request < min_seek)
-			seek = (off_t)min_seek;
+		if (request < min_seek || request > max_seek) {
+			errno = EOVERFLOW;
+			goto err;
+		}
 	}
 
 	r = lseek(mine->fd, seek, whence);
 	if (r >= 0)
 		return r;
 
+err:
 	if (errno == ESPIPE) {
 		archive_set_error(a, errno,
 		    "A file descriptor(%d) is not seekable(PIPE)", mine->fd);

libarchive/archive_read_open_file.c

@@ -48,6 +48,7 @@
 #endif
 
 #include "archive.h"
+#include "archive_platform_stat.h"
 
 struct read_FILE_data {
 	FILE    *f;
@@ -65,7 +66,7 @@ static int64_t	FILE_skip(struct archive *, void *, int64_t);
 int
 archive_read_open_FILE(struct archive *a, FILE *f)
 {
-	struct stat st;
+	la_seek_stat_t st;
 	struct read_FILE_data *mine;
 	size_t block_size = 128 * 1024;
 	void *b;
@@ -88,7 +89,7 @@ archive_read_open_FILE(struct archive *a, FILE *f)
 	 * streams that don't support fileno()).  As a result, fileno()
 	 * should be used cautiously.)
 	 */
-	if (fstat(fileno(mine->f), &st) == 0 && S_ISREG(st.st_mode)) {
+	if (la_seek_fstat(fileno(mine->f), &st) == 0 && S_ISREG(st.st_mode)) {
 		archive_read_extract_set_skip_file(a, st.st_dev, st.st_ino);
 		/* Enable the seek optimization only for regular files. */
 		mine->can_skip = 1;
@@ -132,7 +133,7 @@ FILE_skip(struct archive *a, void *client_data, int64_t request)
 #else
 	long skip = (long)request;
 #endif
-	int64_t old_offset, new_offset;
+	int64_t old_offset, new_offset = -1;
 	int skip_bits = sizeof(skip) * 8 - 1;
 
 	(void)a; /* UNUSED */
@@ -170,11 +171,14 @@ FILE_skip(struct archive *a, void *client_data, int64_t request)
 #ifdef __ANDROID__
 			new_offset = lseek(fileno(mine->f), skip, SEEK_CUR);
 #elif HAVE__FSEEKI64
-			new_offset = _fseeki64(mine->f, skip, SEEK_CUR);
+			if (_fseeki64(mine->f, skip, SEEK_CUR) == 0)
+				new_offset = _ftelli64(mine->f);
 #elif HAVE_FSEEKO
-			new_offset = fseeko(mine->f, skip, SEEK_CUR);
+			if (fseeko(mine->f, skip, SEEK_CUR) == 0)
+				new_offset = ftello(mine->f);
 #else
-			new_offset = fseek(mine->f, skip, SEEK_CUR);
+			if (fseek(mine->f, skip, SEEK_CUR) == 0)
+				new_offset = ftell(mine->f);
 #endif
 			if (new_offset >= 0)
 				return (new_offset - old_offset);
@@ -202,15 +206,15 @@ FILE_seek(struct archive *a, void *client_data, int64_t request, int whence)
 	int seek_bits = sizeof(seek) * 8 - 1;
 	(void)a; /* UNUSED */
 
-	/* Reduce a request that would overflow the 'seek' variable. */
+	/* Do not perform a seek which cannot be fulfilled. */
 	if (sizeof(request) > sizeof(seek)) {
 		const int64_t max_seek =
 		    (((int64_t)1 << (seek_bits - 1)) - 1) * 2 + 1;
 		const int64_t min_seek = ~max_seek;
-		if (request > max_seek)
-			seek = max_seek;
-		else if (request < min_seek)
-			seek = min_seek;
+		if (request < min_seek || request > max_seek) {
+			errno = EOVERFLOW;
+			goto err;
+		}
 	}
 
 #ifdef __ANDROID__
@@ -233,6 +237,7 @@ FILE_seek(struct archive *a, void *client_data, int64_t request, int whence)
 	}
 #endif
 	/* If we arrive here, the input is corrupted or truncated so fail. */
+err:
 	archive_set_error(a, errno, "Error seeking in FILE* pointer");
 	return (ARCHIVE_FATAL);
 }

libarchive/archive_read_open_filename.c

@@ -59,6 +59,7 @@
 #endif
 
 #include "archive.h"
+#include "archive_platform_stat.h"
 #include "archive_private.h"
 #include "archive_string.h"
 
@@ -136,8 +137,10 @@ archive_read_open_filenames(struct archive *a, const char **filenames,
 			mine->filename_type = FNT_STDIN;
 		} else
 			mine->filename_type = FNT_MBS;
-		if (archive_read_append_callback_data(a, mine) != (ARCHIVE_OK))
+		if (archive_read_append_callback_data(a, mine) != (ARCHIVE_OK)) {
+			free(mine);
 			return (ARCHIVE_FATAL);
+		}
 		if (filenames == NULL)
 			break;
 		filename = *(filenames++);
@@ -216,8 +219,10 @@ archive_read_open_filenames_w(struct archive *a, const wchar_t **wfilenames,
 			archive_string_free(&fn);
 #endif
 		}
-		if (archive_read_append_callback_data(a, mine) != (ARCHIVE_OK))
+		if (archive_read_append_callback_data(a, mine) != (ARCHIVE_OK)) {
+			free(mine);
 			return (ARCHIVE_FATAL);
+		}
 		if (wfilenames == NULL)
 			break;
 		wfilename = *(wfilenames++);
@@ -248,7 +253,7 @@ archive_read_open_filename_w(struct archive *a, const wchar_t *wfilename,
 static int
 file_open(struct archive *a, void *client_data)
 {
-	struct stat st;
+	la_seek_stat_t st;
 	struct read_file_data *mine = (struct read_file_data *)client_data;
 	void *buffer;
 	const char *filename = NULL;
@@ -313,7 +318,7 @@ file_open(struct archive *a, void *client_data)
 		goto fail;
 #endif
 	}
-	if (fstat(fd, &st) != 0) {
+	if (la_seek_fstat(fd, &st) != 0) {
 #if defined(_WIN32) && !defined(__CYGWIN__)
 		if (mine->filename_type == FNT_WCS)
 			archive_set_error(a, errno, "Can't stat '%ls'",
@@ -482,10 +487,11 @@ file_skip_lseek(struct archive *a, void *client_data, int64_t request)
 	struct read_file_data *mine = (struct read_file_data *)client_data;
 #if defined(_WIN32) && !defined(__CYGWIN__)
 	/* We use _lseeki64() on Windows. */
-	int64_t old_offset, new_offset, skip = request;
+	int64_t old_offset, new_offset;
 #else
-	off_t old_offset, new_offset, skip = (off_t)request;
+	off_t old_offset, new_offset;
 #endif
+	la_seek_t skip = (la_seek_t)request;
 	int skip_bits = sizeof(skip) * 8 - 1;
 
 	/* We use off_t here because lseek() is declared that way. */
@@ -552,21 +558,21 @@ static int64_t
 file_seek(struct archive *a, void *client_data, int64_t request, int whence)
 {
 	struct read_file_data *mine = (struct read_file_data *)client_data;
-	off_t seek = (off_t)request;
+	la_seek_t seek = (la_seek_t)request;
 	int64_t r;
 	int seek_bits = sizeof(seek) * 8 - 1;
 
 	/* We use off_t here because lseek() is declared that way. */
 
-	/* Reduce a request that would overflow the 'seek' variable. */
+	/* Do not perform a seek which cannot be fulfilled. */
 	if (sizeof(request) > sizeof(seek)) {
 		const int64_t max_seek =
 		    (((int64_t)1 << (seek_bits - 1)) - 1) * 2 + 1;
 		const int64_t min_seek = ~max_seek;
-		if (request > max_seek)
-			seek = (off_t)max_seek;
-		else if (request < min_seek)
-			seek = (off_t)min_seek;
+		if (request < min_seek || request > max_seek) {
+			errno = EOVERFLOW;
+			goto err;
+		}
 	}
 
 	r = lseek(mine->fd, seek, whence);
@@ -574,6 +580,7 @@ file_seek(struct archive *a, void *client_data, int64_t request, int whence)
 		return r;
 
 	/* If the input is corrupted or truncated, fail. */
+err:
 	if (mine->filename_type == FNT_STDIN)
 		archive_set_error(a, errno, "Error seeking in stdin");
 	else if (mine->filename_type == FNT_MBS)

libarchive/archive_read_set_format.c

@@ -37,7 +37,7 @@ int
 archive_read_set_format(struct archive *_a, int code)
 {
   int r1, r2, slots, i;
-  char str[10];
+  const char *str;
   struct archive_read *a = (struct archive_read *)_a;
 
   if ((r1 = archive_read_support_format_by_code(_a, code)) < (ARCHIVE_OK))
@@ -49,49 +49,49 @@ archive_read_set_format(struct archive *_a, int code)
   switch (code & ARCHIVE_FORMAT_BASE_MASK)
   {
     case ARCHIVE_FORMAT_7ZIP:
-      strcpy(str, "7zip");
+      str = "7zip";
       break;
     case ARCHIVE_FORMAT_AR:
-      strcpy(str, "ar");
+      str = "ar";
       break;
     case ARCHIVE_FORMAT_CAB:
-      strcpy(str, "cab");
+      str = "cab";
       break;
     case ARCHIVE_FORMAT_CPIO:
-      strcpy(str, "cpio");
+      str = "cpio";
       break;
     case ARCHIVE_FORMAT_EMPTY:
-      strcpy(str, "empty");
+      str = "empty";
       break;
     case ARCHIVE_FORMAT_ISO9660:
-      strcpy(str, "iso9660");
+      str = "iso9660";
       break;
     case ARCHIVE_FORMAT_LHA:
-      strcpy(str, "lha");
+      str = "lha";
       break;
     case ARCHIVE_FORMAT_MTREE:
-      strcpy(str, "mtree");
+      str = "mtree";
       break;
     case ARCHIVE_FORMAT_RAR:
-      strcpy(str, "rar");
+      str = "rar";
       break;
     case ARCHIVE_FORMAT_RAR_V5:
-      strcpy(str, "rar5");
+      str = "rar5";
       break;
     case ARCHIVE_FORMAT_RAW:
-      strcpy(str, "raw");
+      str = "raw";
       break;
     case ARCHIVE_FORMAT_TAR:
-      strcpy(str, "tar");
+      str = "tar";
       break;
     case ARCHIVE_FORMAT_WARC:
-      strcpy(str, "warc");
+      str = "warc";
       break;
     case ARCHIVE_FORMAT_XAR:
-      strcpy(str, "xar");
+      str = "xar";
       break;
     case ARCHIVE_FORMAT_ZIP:
-      strcpy(str, "zip");
+      str = "zip";
       break;
     default:
       archive_set_error(&a->archive, ARCHIVE_ERRNO_PROGRAMMER,

libarchive/archive_read_support_filter_compress.c

@@ -328,6 +328,7 @@ next_code(struct archive_read_filter *self)
 	static int debug_buff[1024];
 	static unsigned debug_index;
 
+again:
 	code = newcode = getbits(self, state->bits);
 	if (code < 0)
 		return (code);
@@ -360,7 +361,7 @@ next_code(struct archive_read_filter *self)
 		state->section_end_code = (1 << state->bits) - 1;
 		state->free_ent = 257;
 		state->oldcode = -1;
-		return (next_code(self));
+		goto again;
 	}
 
 	if (code > state->free_ent

libarchive/archive_read_support_filter_program.c

@@ -110,7 +110,7 @@ struct program_filter {
 	pid_t		 child;
 #endif
 	int		 exit_status;
-	int		 waitpid_return;
+	pid_t		 waitpid_return;
 	int		 child_stdin, child_stdout;
 
 	char		*out_buf;
@@ -242,16 +242,13 @@ child_stop(struct archive_read_filter *self, struct program_filter *state)
 			state->waitpid_return
 			    = waitpid(state->child, &state->exit_status, 0);
 		} while (state->waitpid_return == -1 && errno == EINTR);
-#if defined(_WIN32) && !defined(__CYGWIN__)
-		CloseHandle(state->child);
-#endif
 		state->child = 0;
 	}
 
 	if (state->waitpid_return < 0) {
 		/* waitpid() failed?  This is ugly. */
 		archive_set_error(&self->archive->archive, ARCHIVE_ERRNO_MISC,
-		    "Child process exited badly");
+		    "Error closing child process");
 		return (ARCHIVE_WARN);
 	}
 

libarchive/archive_read_support_format_7zip.c

@@ -80,7 +80,7 @@
 /*
  * ELF format
  */
-#define ELF_HDR_MIN_LEN 0x34
+#define ELF_HDR_MIN_LEN 0x3f
 #define ELF_HDR_EI_CLASS_OFFSET 0x04
 #define ELF_HDR_EI_DATA_OFFSET 0x05
 
@@ -811,6 +811,8 @@ find_elf_data_sec(struct archive_read *a)
 			strtab_size = (*dec32)(
 			    h + e_shstrndx * e_shentsize + 0x14);
 		}
+		if (strtab_size < 6 || strtab_size > SIZE_MAX)
+			break;
 
 		/*
 		 * Read the STRTAB section to find the .data offset
@@ -1391,7 +1393,8 @@ init_decompression(struct archive_read *a, struct _7zip *zip,
 		 * size to liblzma when using lzma_raw_decoder() liblzma
 		 * could correctly deal with BCJ+LZMA. But unfortunately
 		 * there is no way to do that.
-		 * Discussion about this can be found at XZ Utils forum.
+		 *
+		 * Reference: https://web.archive.org/web/20240405171610/https://www.mail-archive.com/xz-devel@tukaani.org/msg00373.html
 		 */
 		if (coder2 != NULL) {
 			zip->codec2 = coder2->codec;

libarchive/archive_read_support_format_cab.c

@@ -363,7 +363,12 @@ archive_read_support_format_cab(struct archive *_a)
 		return (ARCHIVE_FATAL);
 	}
 	archive_string_init(&cab->ws);
-	archive_wstring_ensure(&cab->ws, 256);
+	if (archive_wstring_ensure(&cab->ws, 256) == NULL) {
+		archive_set_error(&a->archive, ENOMEM,
+		    "Can't allocate memory");
+		free(cab);
+		return (ARCHIVE_FATAL);
+	}
 
 	r = __archive_read_register_format(a,
 	    cab,

libarchive/archive_read_support_format_mtree.c

@@ -51,6 +51,7 @@
 #include "archive.h"
 #include "archive_entry.h"
 #include "archive_entry_private.h"
+#include "archive_platform_stat.h"
 #include "archive_private.h"
 #include "archive_rb.h"
 #include "archive_read_private.h"
@@ -1073,6 +1074,8 @@ read_mtree(struct archive_read *a, struct mtree *mtree)
 		/* Non-printable characters are not allowed */
 		for (s = p;s < p + len - 1; s++) {
 			if (!isprint((unsigned char)*s) && *s != '\t') {
+				archive_set_error(&a->archive, ARCHIVE_ERRNO_FILE_FORMAT,
+					"Non-printable character 0x%02X", (unsigned char)(*s));
 				r = ARCHIVE_FATAL;
 				break;
 			}
@@ -1175,7 +1178,7 @@ parse_file(struct archive_read *a, struct archive_entry *entry,
     struct mtree *mtree, struct mtree_entry *mentry, int *use_next)
 {
 	const char *path;
-	struct stat st_storage, *st;
+	la_seek_stat_t st_storage, *st;
 	struct mtree_entry *mp;
 	struct archive_entry *sparse_entry;
 	int r = ARCHIVE_OK, r1, parsed_kws;
@@ -1251,7 +1254,7 @@ parse_file(struct archive_read *a, struct archive_entry *entry,
 				archive_entry_filetype(entry) == AE_IFDIR) {
 			mtree->fd = open(path, O_RDONLY | O_BINARY | O_CLOEXEC);
 			__archive_ensure_cloexec_flag(mtree->fd);
-			if (mtree->fd == -1 && (
+			if (mtree->fd < 0 && (
 #if defined(_WIN32) && !defined(__CYGWIN__)
         /*
          * On Windows, attempting to open a file with an
@@ -1270,7 +1273,7 @@ parse_file(struct archive_read *a, struct archive_entry *entry,
 
 		st = &st_storage;
 		if (mtree->fd >= 0) {
-			if (fstat(mtree->fd, st) == -1) {
+			if (la_seek_fstat(mtree->fd, st) == -1) {
 				archive_set_error(&a->archive, errno,
 						"Could not fstat %s", path);
 				r = ARCHIVE_WARN;
@@ -1283,7 +1286,7 @@ parse_file(struct archive_read *a, struct archive_entry *entry,
 #ifdef HAVE_LSTAT
 		else if (lstat(path, st) == -1)
 #else
-		else if (la_stat(path, st) == -1)
+		else if (la_seek_stat(path, st) == -1)
 #endif
 		{
 			st = NULL;
@@ -2130,6 +2133,13 @@ readline(struct archive_read *a, struct mtree *mtree, char **start,
 		for (u = mtree->line.s + find_off; *u; ++u) {
 			if (u[0] == '\n') {
 				/* Ends with unescaped newline. */
+				/* Check if preceded by '\r' for CRLF handling */
+				if (u > mtree->line.s && u[-1] == '\r') {
+					/* CRLF ending - remove the '\r' */
+					u[-1] = '\n';
+					u[0] = '\0';
+					total_size--;
+				}
 				*start = mtree->line.s;
 				return total_size;
 			} else if (u[0] == '#') {
@@ -2144,6 +2154,11 @@ readline(struct archive_read *a, struct mtree *mtree, char **start,
 					total_size -= 2;
 					mtree->line.s[total_size] = '\0';
 					break;
+				} else if (u[1] == '\r' && u[2] == '\n') {
+					/* Trim escaped CRLF. */
+					total_size -= 3;
+					mtree->line.s[total_size] = '\0';
+					break;
 				} else if (u[1] != '\0') {
 					/* Skip the two-char escape sequence */
 					++u;

libarchive/archive_read_support_format_rar.c

@@ -1117,8 +1117,6 @@ archive_read_format_rar_read_data(struct archive_read *a, const void **buff,
   if (rar->entry_eof || rar->offset_seek >= rar->unp_size) {
     *size = 0;
     *offset = rar->offset;
-    if (*offset < rar->unp_size)
-      *offset = rar->unp_size;
     return (ARCHIVE_EOF);
   }
 
@@ -1455,7 +1453,7 @@ read_header(struct archive_read *a, struct archive_entry *entry,
     return (ARCHIVE_FATAL);
 #endif
   }
-  /* If no CRC error, Go on parsing File Header. */
+  /* If no CRC error, go on parsing File Header. */
   p = h;
   endp = p + header_size - 7;
   memcpy(&file_header, p, sizeof(file_header));
@@ -2368,8 +2366,8 @@ parse_codes(struct archive_read *a)
         return (ARCHIVE_FATAL);
       }
 
-      /* Make sure ppmd7_contest is freed before Ppmd7_Construct
-       * because reading a broken file cause this abnormal sequence. */
+      /* Make sure ppmd7_context is freed before Ppmd7_Construct
+       * because reading a broken file causes this abnormal sequence. */
       __archive_ppmd7_functions.Ppmd7_Free(&rar->ppmd7_context);
 
       rar->bytein.a = a;

libarchive/archive_read_support_format_rar5.c

@@ -1619,10 +1619,13 @@ static int process_head_file_extra(struct archive_read* a,
 {
 	uint64_t extra_field_size;
 	uint64_t extra_field_id = 0;
-	int ret = ARCHIVE_FATAL;
 	uint64_t var_size;
 
 	while(extra_data_size > 0) {
+		/* Make sure we won't fail if the file declares only unsupported
+		attributes. */
+		int ret = ARCHIVE_OK;
+
 		if(!read_var(a, &extra_field_size, &var_size))
 			return ARCHIVE_EOF;
 
@@ -1675,12 +1678,53 @@ static int process_head_file_extra(struct archive_read* a,
 				if (ARCHIVE_OK != consume(a, extra_field_size)) {
 					return ARCHIVE_EOF;
 				}
+
+				/* Don't fail on unsupported attribute -- we've handled it
+				   by skipping over it. */
+				ret = ARCHIVE_OK;
+		}
+
+		if (ret != ARCHIVE_OK) {
+			/* Forward any errors signalled by the attribute parsing
+			   functions. */
+			return ret;
 		}
 	}
 
-	if(ret != ARCHIVE_OK) {
-		/* Attribute not implemented. */
-		return ret;
+	if (extra_data_size != 0) {
+		/* We didn't skip everything, or we skipped too much; either way,
+		   there's an error in this parsing function. */
+
+		archive_set_error(&a->archive, ARCHIVE_ERRNO_PROGRAMMER,
+				"unsupported structure of file header extra data");
+		return ARCHIVE_FATAL;
+	}
+
+	return ARCHIVE_OK;
+}
+
+static int file_entry_sanity_checks(struct archive_read* a,
+	size_t block_flags, uint8_t is_dir, uint64_t unpacked_size,
+	size_t packed_size)
+{
+	if (is_dir) {
+		const int declares_data_size =
+			(int) (unpacked_size != 0 || packed_size != 0);
+
+		/* FILE entries for directories still declare HFL_DATA in block flags,
+		   even though attaching data to such blocks doesn't make much sense. */
+		if (declares_data_size) {
+			archive_set_error(&a->archive, ARCHIVE_ERRNO_FILE_FORMAT,
+				"directory entries cannot have any data");
+			return ARCHIVE_FATAL;
+		}
+	} else {
+		const int declares_hfl_data = (int) ((block_flags & HFL_DATA) != 0);
+		if (!declares_hfl_data) {
+			archive_set_error(&a->archive, ARCHIVE_ERRNO_FILE_FORMAT,
+					"no data found in file/service block");
+			return ARCHIVE_FATAL;
+		}
 	}
 
 	return ARCHIVE_OK;
@@ -1701,6 +1745,7 @@ static int process_head_file(struct archive_read* a, struct rar5* rar,
 	int c_method = 0, c_version = 0;
 	char name_utf8_buf[MAX_NAME_IN_BYTES];
 	const uint8_t* p;
+	int sanity_ret;
 
 	enum FILE_FLAGS {
 		DIRECTORY = 0x0001, UTIME = 0x0002, CRC32 = 0x0004,
@@ -1744,10 +1789,6 @@ static int process_head_file(struct archive_read* a, struct rar5* rar,
 		rar->file.bytes_remaining = data_size;
 	} else {
 		rar->file.bytes_remaining = 0;
-
-		archive_set_error(&a->archive, ARCHIVE_ERRNO_FILE_FORMAT,
-				"no data found in file/service block");
-		return ARCHIVE_FATAL;
 	}
 
 	if(!read_var_sized(a, &file_flags, NULL))
@@ -1764,6 +1805,13 @@ static int process_head_file(struct archive_read* a, struct rar5* rar,
 
 	rar->file.dir = (uint8_t) ((file_flags & DIRECTORY) > 0);
 
+	sanity_ret = file_entry_sanity_checks(a, block_flags, rar->file.dir,
+		unpacked_size, data_size);
+
+	if (sanity_ret != ARCHIVE_OK) {
+		return sanity_ret;
+	}
+
 	if(!read_var_sized(a, &file_attr, NULL))
 		return ARCHIVE_EOF;
 
@@ -4163,7 +4211,7 @@ static int rar5_read_data(struct archive_read *a, const void **buff,
 		 * it's impossible to perform any decompression. */
 		archive_set_error(&a->archive, ARCHIVE_ERRNO_FILE_FORMAT,
 		    "Can't decompress an entry marked as a directory");
-		return ARCHIVE_FAILED;
+		return ARCHIVE_FATAL;
 	}
 
 	if(!rar->skip_mode && (rar->cstate.last_write_ptr > rar->file.unpacked_size)) {

libarchive/archive_read_support_format_tar.c

@@ -174,7 +174,7 @@ static int	gnu_sparse_old_parse(struct archive_read *, struct tar *,
 		    const struct gnu_sparse *sparse, int length);
 static int	gnu_sparse_01_parse(struct archive_read *, struct tar *,
 		    const char *, size_t);
-static ssize_t	gnu_sparse_10_read(struct archive_read *, struct tar *,
+static int64_t	gnu_sparse_10_read(struct archive_read *, struct tar *,
 		    int64_t *);
 static int	header_Solaris_ACL(struct archive_read *,  struct tar *,
 		    struct archive_entry *, const void *, int64_t *);
@@ -233,7 +233,7 @@ static int	tar_read_header(struct archive_read *, struct tar *,
 		    struct archive_entry *, int64_t *);
 static int	tohex(int c);
 static char	*url_decode(const char *, size_t);
-static void	tar_flush_unconsumed(struct archive_read *, int64_t *);
+static int	tar_flush_unconsumed(struct archive_read *, int64_t *);
 
 /* Sanity limits:  These numbers should be low enough to
  * prevent a maliciously-crafted archive from forcing us to
@@ -477,7 +477,7 @@ archive_read_format_tar_options(struct archive_read *a,
  * how much unconsumed data we have floating around, and to consume
  * anything outstanding since we're going to do read_aheads
  */
-static void
+static int
 tar_flush_unconsumed(struct archive_read *a, int64_t *unconsumed)
 {
 	if (*unconsumed) {
@@ -490,9 +490,13 @@ tar_flush_unconsumed(struct archive_read *a, int64_t *unconsumed)
 			memset(data, 0xff, *unconsumed);
 		}
 */
-		__archive_read_consume(a, *unconsumed);
+		int64_t consumed = __archive_read_consume(a, *unconsumed);
+		if (consumed != *unconsumed) {
+			return (ARCHIVE_FATAL);
+		}
 		*unconsumed = 0;
 	}
+	return (ARCHIVE_OK);
 }
 
 /*
@@ -628,7 +632,10 @@ archive_read_format_tar_read_data(struct archive_read *a,
 		/* If we're at end of file, return EOF. */
 		if (tar->sparse_list == NULL ||
 		    tar->entry_bytes_remaining == 0) {
-			if (__archive_read_consume(a, tar->entry_padding) < 0)
+			int64_t request = tar->entry_bytes_remaining +
+			    tar->entry_padding;
+
+			if (__archive_read_consume(a, request) != request)
 				return (ARCHIVE_FATAL);
 			tar->entry_padding = 0;
 			*buff = NULL;
@@ -666,29 +673,15 @@ archive_read_format_tar_read_data(struct archive_read *a,
 static int
 archive_read_format_tar_skip(struct archive_read *a)
 {
-	int64_t bytes_skipped;
 	int64_t request;
-	struct sparse_block *p;
 	struct tar* tar;
 
 	tar = (struct tar *)(a->format->data);
 
-	/* Do not consume the hole of a sparse file. */
-	request = 0;
-	for (p = tar->sparse_list; p != NULL; p = p->next) {
-		if (!p->hole) {
-			if (p->remaining >= INT64_MAX - request) {
-				return ARCHIVE_FATAL;
-			}
-			request += p->remaining;
-		}
-	}
-	if (request > tar->entry_bytes_remaining)
-		request = tar->entry_bytes_remaining;
-	request += tar->entry_padding + tar->entry_bytes_unconsumed;
+	request = tar->entry_bytes_remaining + tar->entry_padding +
+	    tar->entry_bytes_unconsumed;
 
-	bytes_skipped = __archive_read_consume(a, request);
-	if (bytes_skipped < 0)
+	if (__archive_read_consume(a, request) != request)
 		return (ARCHIVE_FATAL);
 
 	tar->entry_bytes_remaining = 0;
@@ -701,6 +694,22 @@ archive_read_format_tar_skip(struct archive_read *a)
 	return (ARCHIVE_OK);
 }
 
+/*
+ * This function resets the accumulated state while reading
+ * a header.
+ */
+static void
+tar_reset_header_state(struct tar *tar)
+{
+	tar->pax_hdrcharset_utf8 = 1;
+	tar->sparse_gnu_attributes_seen = 0;
+	archive_string_empty(&(tar->entry_gname));
+	archive_string_empty(&(tar->entry_pathname));
+	archive_string_empty(&(tar->entry_pathname_override));
+	archive_string_empty(&(tar->entry_uname));
+	archive_string_empty(&tar->entry_linkpath);
+}
+
 /*
  * This function reads and interprets all of the headers associated
  * with a single entry.
@@ -726,13 +735,7 @@ tar_read_header(struct archive_read *a, struct tar *tar,
 	static const int32_t seen_x_header = 32; /* Also X */
 	static const int32_t seen_mac_metadata = 512;
 
-	tar->pax_hdrcharset_utf8 = 1;
-	tar->sparse_gnu_attributes_seen = 0;
-	archive_string_empty(&(tar->entry_gname));
-	archive_string_empty(&(tar->entry_pathname));
-	archive_string_empty(&(tar->entry_pathname_override));
-	archive_string_empty(&(tar->entry_uname));
-	archive_string_empty(&tar->entry_linkpath);
+	tar_reset_header_state(tar);
 
 	/* Ensure format is set. */
 	if (a->archive.archive_format_name == NULL) {
@@ -751,7 +754,9 @@ tar_read_header(struct archive_read *a, struct tar *tar,
 
 		/* Find the next valid header record. */
 		while (1) {
-			tar_flush_unconsumed(a, unconsumed);
+			if (tar_flush_unconsumed(a, unconsumed) != ARCHIVE_OK) {
+				return (ARCHIVE_FATAL);
+			}
 
 			/* Read 512-byte header record */
 			h = __archive_read_ahead(a, 512, &bytes);
@@ -797,7 +802,9 @@ tar_read_header(struct archive_read *a, struct tar *tar,
 
 			/* This is NOT a null block, so it must be a valid header. */
 			if (!checksum(a, h)) {
-				tar_flush_unconsumed(a, unconsumed);
+				if (tar_flush_unconsumed(a, unconsumed) != ARCHIVE_OK) {
+					return (ARCHIVE_FATAL);
+				}
 				archive_set_error(&a->archive, EINVAL,
 						  "Damaged tar archive (bad header checksum)");
 				/* If we've read some critical information (pax headers, etc)
@@ -936,6 +943,7 @@ tar_read_header(struct archive_read *a, struct tar *tar,
 				err = err_combine(err, err2);
 				/* Note: Other headers can appear again. */
 				seen_headers = seen_mac_metadata;
+				tar_reset_header_state(tar);
 				break;
 			}
 
@@ -1118,8 +1126,8 @@ header_Solaris_ACL(struct archive_read *a, struct tar *tar,
 		break;
 	default:
 		archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,
-		    "Malformed Solaris ACL attribute (unsupported type %"
-		    PRIo64 ")", type);
+		    "Malformed Solaris ACL attribute (unsupported type %llu)",
+		    (unsigned long long)type);
 		archive_string_free(&acl_text);
 		return (ARCHIVE_WARN);
 	}
@@ -1236,7 +1244,7 @@ header_volume(struct archive_read *a, struct tar *tar,
 
 	header = (const struct archive_entry_header_ustar *)h;
 	size = tar_atol(header->size, sizeof(header->size));
-	if (size > (int64_t)pathname_limit) {
+	if (size < 0 || size > (int64_t)pathname_limit) {
 		return (ARCHIVE_FATAL);
 	}
 	to_consume = ((size + 511) & ~511);
@@ -1255,13 +1263,15 @@ read_bytes_to_string(struct archive_read *a,
 	const void *src;
 
 	/* Fail if we can't make our buffer big enough. */
-	if (archive_string_ensure(as, (size_t)size+1) == NULL) {
+	if (archive_string_ensure(as, size + 1) == NULL) {
 		archive_set_error(&a->archive, ENOMEM,
 		    "No memory");
 		return (ARCHIVE_FATAL);
 	}
 
-	tar_flush_unconsumed(a, unconsumed);
+	if (tar_flush_unconsumed(a, unconsumed) != ARCHIVE_OK) {
+		return (ARCHIVE_FATAL);
+	}
 
 	/* Read the body into the string. */
 	src = __archive_read_ahead(a, size, NULL);
@@ -1272,9 +1282,9 @@ read_bytes_to_string(struct archive_read *a,
 		*unconsumed = 0;
 		return (ARCHIVE_FATAL);
 	}
-	memcpy(as->s, src, (size_t)size);
+	memcpy(as->s, src, size);
 	as->s[size] = '\0';
-	as->length = (size_t)size;
+	as->length = size;
 	*unconsumed += size;
 	return (ARCHIVE_OK);
 }
@@ -1293,18 +1303,21 @@ read_body_to_string(struct archive_read *a, struct tar *tar,
 	(void)tar; /* UNUSED */
 	header = (const struct archive_entry_header_ustar *)h;
 	size  = tar_atol(header->size, sizeof(header->size));
-	if (size > entry_limit) {
+	if (size < 0 || size > entry_limit) {
+		archive_set_error(&a->archive, EINVAL,
+		    "Special header has invalid size: %lld",
+		    (long long)size);
 		return (ARCHIVE_FATAL);
 	}
-	if ((size > (int64_t)pathname_limit) || (size < 0)) {
+	if (size > (int64_t)pathname_limit) {
 		archive_string_empty(as);
 		int64_t to_consume = ((size + 511) & ~511);
 		if (to_consume != __archive_read_consume(a, to_consume)) {
 			return (ARCHIVE_FATAL);
 		}
 		archive_set_error(&a->archive, EINVAL,
-		    "Special header too large: %d > 1MiB",
-		    (int)size);
+		    "Special header too large: %lld > 1MiB",
+		    (long long)size);
 		return (ARCHIVE_WARN);
 	}
 	r = read_bytes_to_string(a, as, size, unconsumed);
@@ -1712,7 +1725,9 @@ read_mac_metadata_blob(struct archive_read *a,
 	 * Q: Is the above idea really possible?  Even
 	 * when there are GNU or pax extension entries?
 	 */
-	tar_flush_unconsumed(a, unconsumed);
+	if (tar_flush_unconsumed(a, unconsumed) != ARCHIVE_OK) {
+		return (ARCHIVE_FATAL);
+	}
 	data = __archive_read_ahead(a, msize, NULL);
 	if (data == NULL) {
 		archive_set_error(&a->archive, EINVAL,
@@ -1743,7 +1758,10 @@ header_pax_global(struct archive_read *a, struct tar *tar,
 
 	header = (const struct archive_entry_header_ustar *)h;
 	size = tar_atol(header->size, sizeof(header->size));
-	if (size > entry_limit) {
+	if (size < 0 || size > entry_limit) {
+		archive_set_error(&a->archive, EINVAL,
+		    "Special header has invalid size: %lld",
+		    (long long)size);
 		return (ARCHIVE_FATAL);
 	}
 	to_consume = ((size + 511) & ~511);
@@ -1890,11 +1908,13 @@ header_pax_extension(struct archive_read *a, struct tar *tar,
 			return (ARCHIVE_FATAL);
 		}
 		archive_set_error(&a->archive, EINVAL,
-		    "Ignoring oversized pax extensions: %d > %d",
-		    (int)ext_size, (int)ext_size_limit);
+		    "Ignoring oversized pax extensions: %lld > %lld",
+		    (long long)ext_size, (long long)ext_size_limit);
 		return (ARCHIVE_WARN);
 	}
-	tar_flush_unconsumed(a, unconsumed);
+	if (tar_flush_unconsumed(a, unconsumed) != ARCHIVE_OK) {
+		return (ARCHIVE_FATAL);
+	}
 
 	/* Parse the size/name of each pax attribute in the body */
 	archive_string_init(&attr_name);
@@ -1988,7 +2008,16 @@ header_pax_extension(struct archive_read *a, struct tar *tar,
 
 		/* Consume size, name, and `=` */
 		*unconsumed += p - attr_start;
-		tar_flush_unconsumed(a, unconsumed);
+		if (tar_flush_unconsumed(a, unconsumed) != ARCHIVE_OK) {
+			return (ARCHIVE_FATAL);
+		}
+
+		if (value_length == 0) {
+			archive_set_error(&a->archive, EINVAL,
+					  "Malformed pax attributes");
+			*unconsumed += ext_size + ext_padding;
+			return (ARCHIVE_WARN);
+		}
 
 		/* pax_attribute will consume value_length - 1 */
 		r = pax_attribute(a, tar, entry, attr_name.s, archive_strlen(&attr_name), value_length - 1, unconsumed);
@@ -2004,7 +2033,9 @@ header_pax_extension(struct archive_read *a, struct tar *tar,
 		err = err_combine(err, r);
 
 		/* Consume the `\n` that follows the pax attribute value. */
-		tar_flush_unconsumed(a, unconsumed);
+		if (tar_flush_unconsumed(a, unconsumed) != ARCHIVE_OK) {
+			return (ARCHIVE_FATAL);
+		}
 		p = __archive_read_ahead(a, 1, &did_read);
 		if (p == NULL) {
 			archive_set_error(&a->archive, EINVAL,
@@ -2020,7 +2051,9 @@ header_pax_extension(struct archive_read *a, struct tar *tar,
 		}
 		ext_size -= 1;
 		*unconsumed += 1;
-		tar_flush_unconsumed(a, unconsumed);
+		if (tar_flush_unconsumed(a, unconsumed) != ARCHIVE_OK) {
+			return (ARCHIVE_FATAL);
+		}
 	}
 	*unconsumed += ext_size + ext_padding;
 
@@ -2199,8 +2232,9 @@ pax_attribute_SCHILY_acl(struct archive_read *a, struct tar *tar,
 	if (value_length > acl_limit) {
 		__archive_read_consume(a, value_length);
 		archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,
-				  "Unreasonably large ACL: %d > %d",
-				  (int)value_length, (int)acl_limit);
+				  "Unreasonably large ACL: %llu > %llu",
+				  (unsigned long long)value_length,
+				  (unsigned long long)acl_limit);
 		return (ARCHIVE_WARN);
 	}
 
@@ -2247,12 +2281,16 @@ pax_attribute_read_time(struct archive_read *a, size_t value_length, int64_t *ps
 	r = read_bytes_to_string(a, &as, value_length, unconsumed);
 	if (r < ARCHIVE_OK) {
 		archive_string_free(&as);
+		*ps = 0;
+		*pn = 0;
 		return (r);
 	}
 
 	pax_time(as.s, archive_strlen(&as), ps, pn);
 	archive_string_free(&as);
-	if (*ps < 0 || *ps == INT64_MAX) {
+	if (*ps == INT64_MIN) {
+		*ps = 0;
+		*pn = 0;
 		return (ARCHIVE_WARN);
 	}
 	return (ARCHIVE_OK);
@@ -2272,7 +2310,9 @@ pax_attribute_read_number(struct archive_read *a, size_t value_length, int64_t *
 
 	archive_string_init(&as);
 	r = read_bytes_to_string(a, &as, value_length, &unconsumed);
-	tar_flush_unconsumed(a, &unconsumed);
+	if (tar_flush_unconsumed(a, &unconsumed) != ARCHIVE_OK) {
+		return (ARCHIVE_FATAL);
+	}
 	if (r < ARCHIVE_OK) {
 		archive_string_free(&as);
 		*result = 0;
@@ -2386,8 +2426,9 @@ pax_attribute(struct archive_read *a, struct tar *tar, struct archive_entry *ent
 					tar->sparse_gnu_minor = 1;
 					if (value_length > sparse_map_limit) {
 						archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,
-								  "Unreasonably large sparse map: %d > %d",
-								  (int)value_length, (int)sparse_map_limit);
+								  "Unreasonably large sparse map: %llu > %llu",
+								  (unsigned long long)value_length,
+								  (unsigned long long)sparse_map_limit);
 						err = ARCHIVE_FAILED;
 					} else {
 						p = __archive_read_ahead(a, value_length, &bytes_read);
@@ -2494,8 +2535,8 @@ pax_attribute(struct archive_read *a, struct tar *tar, struct archive_entry *ent
 				} else {
 					archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,
 							  "symlink type is very long"
-							  "(longest recognized value is 4 bytes, this is %d)",
-							  (int)value_length);
+							  "(longest recognized value is 4 bytes, this is %llu)",
+							  (unsigned long long)value_length);
 					err = ARCHIVE_WARN;
 				}
 				__archive_read_consume(a, value_length);
@@ -2531,8 +2572,9 @@ pax_attribute(struct archive_read *a, struct tar *tar, struct archive_entry *ent
 			if (value_length > xattr_limit) {
 				archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,
 						  "Ignoring unreasonably large security.selinux attribute:"
-						  " %d > %d",
-						  (int)value_length, (int)xattr_limit);
+						  " %llu > %llu",
+						  (unsigned long long)value_length,
+						  (unsigned long long)xattr_limit);
 				/* TODO: Should this be FAILED instead? */
 				err = ARCHIVE_WARN;
 			} else {
@@ -2649,8 +2691,9 @@ pax_attribute(struct archive_read *a, struct tar *tar, struct archive_entry *ent
 					}
 				} else {
 					archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,
-							  "Unreasonably large xattr: %d > %d",
-							  (int)value_length, (int)xattr_limit);
+							  "Unreasonably large xattr: %llu > %llu",
+							  (unsigned long long)value_length,
+							  (unsigned long long)xattr_limit);
 					err = ARCHIVE_WARN;
 				}
 				__archive_read_consume(a, value_length);
@@ -2680,8 +2723,9 @@ pax_attribute(struct archive_read *a, struct tar *tar, struct archive_entry *ent
 					}
 				} else {
 					archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,
-							  "Unreasonably large sparse map: %d > %d",
-							  (int)value_length, (int)sparse_map_limit);
+							  "Unreasonably large sparse map: %llu > %llu",
+							  (unsigned long long)value_length,
+							  (unsigned long long)sparse_map_limit);
 					err = ARCHIVE_FAILED;
 				}
 				__archive_read_consume(a, value_length);
@@ -2750,8 +2794,8 @@ pax_attribute(struct archive_read *a, struct tar *tar, struct archive_entry *ent
 				}
 			} else {
 				archive_set_error(&a->archive, ARCHIVE_ERRNO_FILE_FORMAT,
-						  "hdrcharset attribute is unreasonably large (%d bytes)",
-						  (int)value_length);
+						  "hdrcharset attribute is unreasonably large (%llu bytes)",
+						  (unsigned long long)value_length);
 				err = ARCHIVE_WARN;
 			}
 			__archive_read_consume(a, value_length);
@@ -2838,7 +2882,9 @@ pax_attribute(struct archive_read *a, struct tar *tar, struct archive_entry *ent
 
 
 /*
- * parse a decimal time value, which may include a fractional portion
+ * Parse a decimal time value, which may include a fractional portion
+ *
+ * Sets ps to INT64_MIN on error.
  */
 static void
 pax_time(const char *p, size_t length, int64_t *ps, long *pn)
@@ -2854,6 +2900,7 @@ pax_time(const char *p, size_t length, int64_t *ps, long *pn)
 
 	if (length <= 0) {
 		*ps = 0;
+		*pn = 0;
 		return;
 	}
 	s = 0;
@@ -2867,8 +2914,9 @@ pax_time(const char *p, size_t length, int64_t *ps, long *pn)
 		digit = *p - '0';
 		if (s > limit ||
 		    (s == limit && digit > last_digit_limit)) {
-			s = INT64_MAX;
-			break;
+			*ps = INT64_MIN;
+			*pn = 0;
+			return;
 		}
 		s = (s * 10) + digit;
 		++p;
@@ -2914,7 +2962,9 @@ header_gnutar(struct archive_read *a, struct tar *tar,
 	/* Copy filename over (to ensure null termination). */
 	header = (const struct archive_entry_header_gnutar *)h;
 	const char *existing_pathname = archive_entry_pathname(entry);
-	if (existing_pathname == NULL || existing_pathname[0] == '\0') {
+	const wchar_t *existing_wcs_pathname = archive_entry_pathname_w(entry);
+	if ((existing_pathname == NULL || existing_pathname[0] == '\0')
+	    && (existing_wcs_pathname == NULL || existing_wcs_pathname[0] == L'\0')) {
 		if (archive_entry_copy_pathname_l(entry,
 		    header->name, sizeof(header->name), tar->sconv) != 0) {
 			err = set_conversion_failed_error(a, tar->sconv, "Pathname");
@@ -3067,7 +3117,9 @@ gnu_sparse_old_read(struct archive_read *a, struct tar *tar,
 		return (ARCHIVE_OK);
 
 	do {
-		tar_flush_unconsumed(a, unconsumed);
+		if (tar_flush_unconsumed(a, unconsumed) != ARCHIVE_OK) {
+			return (ARCHIVE_FATAL);
+		}
 		data = __archive_read_ahead(a, 512, &bytes_read);
 		if (data == NULL) {
 			archive_set_error(&a->archive, ARCHIVE_ERRNO_FILE_FORMAT,
@@ -3229,12 +3281,10 @@ gnu_sparse_10_atol(struct archive_read *a, struct tar *tar,
  * Returns length (in bytes) of the sparse data description
  * that was read.
  */
-static ssize_t
+static int64_t
 gnu_sparse_10_read(struct archive_read *a, struct tar *tar, int64_t *unconsumed)
 {
-	ssize_t bytes_read;
-	int entries;
-	int64_t offset, size, to_skip, remaining;
+	int64_t bytes_read, entries, offset, size, to_skip, remaining;
 
 	/* Clear out the existing sparse list. */
 	gnu_clear_sparse_list(tar);
@@ -3242,7 +3292,7 @@ gnu_sparse_10_read(struct archive_read *a, struct tar *tar, int64_t *unconsumed)
 	remaining = tar->entry_bytes_remaining;
 
 	/* Parse entries. */
-	entries = (int)gnu_sparse_10_atol(a, tar, &remaining, unconsumed);
+	entries = gnu_sparse_10_atol(a, tar, &remaining, unconsumed);
 	if (entries < 0)
 		return (ARCHIVE_FATAL);
 	/* Parse the individual entries. */
@@ -3259,15 +3309,17 @@ gnu_sparse_10_read(struct archive_read *a, struct tar *tar, int64_t *unconsumed)
 			return (ARCHIVE_FATAL);
 	}
 	/* Skip rest of block... */
-	tar_flush_unconsumed(a, unconsumed);
-	bytes_read = (ssize_t)(tar->entry_bytes_remaining - remaining);
+	if (tar_flush_unconsumed(a, unconsumed) != ARCHIVE_OK) {
+		return (ARCHIVE_FATAL);
+	}
+	bytes_read = tar->entry_bytes_remaining - remaining;
 	to_skip = 0x1ff & -bytes_read;
 	/* Fail if tar->entry_bytes_remaing would get negative */
 	if (to_skip > remaining)
 		return (ARCHIVE_FATAL);
 	if (to_skip != __archive_read_consume(a, to_skip))
 		return (ARCHIVE_FATAL);
-	return ((ssize_t)(bytes_read + to_skip));
+	return (bytes_read + to_skip);
 }
 
 /*
@@ -3485,7 +3537,9 @@ readline(struct archive_read *a, struct tar *tar, const char **start,
 	const char *s;
 	void *p;
 
-	tar_flush_unconsumed(a, unconsumed);
+	if (tar_flush_unconsumed(a, unconsumed) != ARCHIVE_OK) {
+		return (ARCHIVE_FATAL);
+	}
 
 	t = __archive_read_ahead(a, 1, &bytes_read);
 	if (bytes_read <= 0 || t == NULL)

libarchive/archive_read_support_format_warc.c

@@ -405,7 +405,7 @@ _warc_read(struct archive_read *a, const void **buf, size_t *bsz, int64_t *off)
 		/* it's our lucky day, no work, we can leave early */
 		*buf = NULL;
 		*bsz = 0U;
-		*off = w->cntoff + 4U/*for \r\n\r\n separator*/;
+		*off = w->cntoff;
 		w->unconsumed = 0U;
 		return (ARCHIVE_EOF);
 	}

libarchive/archive_read_support_format_xar.c

@@ -930,7 +930,7 @@ xar_read_data(struct archive_read *a,
 abort_read_data:
 	*buff = NULL;
 	*size = 0;
-	*offset = xar->total;
+	*offset = (int64_t)xar->entry_total;
 	return (r);
 }
 

libarchive/archive_read_support_format_zip.c

@@ -3015,8 +3015,8 @@ init_WinZip_AES_decryption(struct archive_read *a)
 		    p, salt_len, 1000, derived_key, key_len * 2 + 2);
 		if (r != 0) {
 			archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,
-			    "Decryption is unsupported due to lack of "
-			    "crypto library");
+			    r == CRYPTOR_STUB_FUNCTION ? "Decryption is unsupported due "
+				"to lack of crypto library" : "Failed to process passphrase");
 			return (ARCHIVE_FAILED);
 		}
 

libarchive/archive_string.c

@@ -2015,7 +2015,7 @@ archive_strncat_l(struct archive_string *as, const void *_p, size_t n,
 	/* We must allocate memory even if there is no data for conversion
 	 * or copy. This simulates archive_string_append behavior. */
 	if (length == 0) {
-		int tn = 1;
+		size_t tn = 1;
 		if (sc != NULL && (sc->flag & SCONV_TO_UTF16))
 			tn = 2;
 		if (archive_string_ensure(as, as->length + tn) == NULL)
@@ -2752,7 +2752,8 @@ archive_string_append_unicode(struct archive_string *as, const void *_p,
 	char *p, *endp;
 	uint32_t uc;
 	size_t w;
-	int n, ret = 0, ts, tm;
+	size_t ts, tm;
+	int n, ret = 0;
 	int (*parse)(uint32_t *, const char *, size_t);
 	size_t (*unparse)(char *, size_t, uint32_t);
 

libarchive/archive_string_sprintf.c

@@ -116,8 +116,14 @@ archive_string_vsprintf(struct archive_string *as, const char *fmt,
 
 		long_flag = '\0';
 		switch(*p) {
-		case 'j':
 		case 'l':
+			if (p[1] == 'l') {
+				long_flag = 'L';
+				p += 2;
+				break;
+			}
+			__LA_FALLTHROUGH;
+		case 'j':
 		case 'z':
 			long_flag = *p;
 			p++;
@@ -136,14 +142,16 @@ archive_string_vsprintf(struct archive_string *as, const char *fmt,
 			switch(long_flag) {
 			case 'j': s = va_arg(ap, intmax_t); break;
 			case 'l': s = va_arg(ap, long); break;
+			case 'L': s = va_arg(ap, long long); break;
 			case 'z': s = va_arg(ap, ssize_t); break;
 			default:  s = va_arg(ap, int); break;
 			}
-		        append_int(as, s, 10);
+			append_int(as, s, 10);
 			break;
 		case 's':
 			switch(long_flag) {
 			case 'l':
+			case 'L':
 				pw = va_arg(ap, wchar_t *);
 				if (pw == NULL)
 					pw = L"(null)";
@@ -172,6 +180,7 @@ archive_string_vsprintf(struct archive_string *as, const char *fmt,
 			switch(long_flag) {
 			case 'j': u = va_arg(ap, uintmax_t); break;
 			case 'l': u = va_arg(ap, unsigned long); break;
+			case 'L': u = va_arg(ap, unsigned long long); break;
 			case 'z': u = va_arg(ap, size_t); break;
 			default:  u = va_arg(ap, unsigned int); break;
 			}

libarchive/archive_util.c

@@ -77,7 +77,9 @@
 #define O_CLOEXEC	0
 #endif
 
-static int archive_utility_string_sort_helper(char **, unsigned int);
+#if ARCHIVE_VERSION_NUMBER < 4000000
+static int __LA_LIBC_CC archive_utility_string_sort_helper(const void *, const void *);
+#endif
 
 /* Generic initialization of 'struct archive' objects. */
 int
@@ -443,11 +445,39 @@ __archive_mkstemp(wchar_t *template)
 #else
 
 static int
-get_tempdir(struct archive_string *temppath)
+__archive_issetugid(void)
 {
-	const char *tmp;
+#ifdef HAVE_ISSETUGID
+	return (issetugid());
+#elif HAVE_GETRESUID
+	uid_t ruid, euid, suid;
+	gid_t rgid, egid, sgid;
+	if (getresuid(&ruid, &euid, &suid) != 0)
+		return (-1);
+	if (ruid != euid || ruid != suid)
+		return (1);
+	if (getresgid(&ruid, &egid, &sgid) != 0)
+		return (-1);
+	if (rgid != egid || rgid != sgid)
+		return (1);
+#elif HAVE_GETEUID
+	if (geteuid() != getuid())
+		return (1);
+#if HAVE_GETEGID
+	if (getegid() != getgid())
+		return (1);
+#endif
+#endif
+	return (0);
+}
 
-	tmp = getenv("TMPDIR");
+int
+__archive_get_tempdir(struct archive_string *temppath)
+{
+	const char *tmp = NULL;
+
+	if (__archive_issetugid() == 0)
+		tmp = getenv("TMPDIR");
 	if (tmp == NULL)
 #ifdef _PATH_TMP
 		tmp = _PATH_TMP;
@@ -474,7 +504,7 @@ __archive_mktemp(const char *tmpdir)
 
 	archive_string_init(&temp_name);
 	if (tmpdir == NULL) {
-		if (get_tempdir(&temp_name) != ARCHIVE_OK)
+		if (__archive_get_tempdir(&temp_name) != ARCHIVE_OK)
 			goto exit_tmpfile;
 	} else {
 		archive_strcpy(&temp_name, tmpdir);
@@ -536,7 +566,7 @@ __archive_mktempx(const char *tmpdir, char *template)
 	if (template == NULL) {
 		archive_string_init(&temp_name);
 		if (tmpdir == NULL) {
-			if (get_tempdir(&temp_name) != ARCHIVE_OK)
+			if (__archive_get_tempdir(&temp_name) != ARCHIVE_OK)
 				goto exit_tmpfile;
 		} else
 			archive_strcpy(&temp_name, tmpdir);
@@ -629,74 +659,28 @@ __archive_ensure_cloexec_flag(int fd)
 #endif
 }
 
+#if ARCHIVE_VERSION_NUMBER < 4000000
 /*
- * Utility function to sort a group of strings using quicksort.
+ * Utility functions to sort a group of strings using quicksort.
  */
 static int
-archive_utility_string_sort_helper(char **strings, unsigned int n)
+__LA_LIBC_CC
+archive_utility_string_sort_helper(const void *p1, const void *p2)
 {
-	unsigned int i, lesser_count, greater_count;
-	char **lesser, **greater, **tmp, *pivot;
-	int retval1, retval2;
+	const char * const * const s1 = p1;
+	const char * const * const s2 = p2;
 
-	/* A list of 0 or 1 elements is already sorted */
-	if (n <= 1)
-		return (ARCHIVE_OK);
-
-	lesser_count = greater_count = 0;
-	lesser = greater = NULL;
-	pivot = strings[0];
-	for (i = 1; i < n; i++)
-	{
-		if (strcmp(strings[i], pivot) < 0)
-		{
-			lesser_count++;
-			tmp = realloc(lesser, lesser_count * sizeof(*tmp));
-			if (!tmp) {
-				free(greater);
-				free(lesser);
-				return (ARCHIVE_FATAL);
-			}
-			lesser = tmp;
-			lesser[lesser_count - 1] = strings[i];
-		}
-		else
-		{
-			greater_count++;
-			tmp = realloc(greater, greater_count * sizeof(*tmp));
-			if (!tmp) {
-				free(greater);
-				free(lesser);
-				return (ARCHIVE_FATAL);
-			}
-			greater = tmp;
-			greater[greater_count - 1] = strings[i];
-		}
-	}
-
-	/* quicksort(lesser) */
-	retval1 = archive_utility_string_sort_helper(lesser, lesser_count);
-	for (i = 0; i < lesser_count; i++)
-		strings[i] = lesser[i];
-	free(lesser);
-
-	/* pivot */
-	strings[lesser_count] = pivot;
-
-	/* quicksort(greater) */
-	retval2 = archive_utility_string_sort_helper(greater, greater_count);
-	for (i = 0; i < greater_count; i++)
-		strings[lesser_count + 1 + i] = greater[i];
-	free(greater);
-
-	return (retval1 < retval2) ? retval1 : retval2;
+	return strcmp(*s1, *s2);
 }
 
 int
 archive_utility_string_sort(char **strings)
 {
-	  unsigned int size = 0;
-	  while (strings[size] != NULL)
+	size_t size = 0;
+	while (strings[size] != NULL)
 		size++;
-	  return archive_utility_string_sort_helper(strings, size);
+	qsort(strings, size, sizeof(char *),
+	      archive_utility_string_sort_helper);
+	return (ARCHIVE_OK);
 }
+#endif

libarchive/archive_version_details.c

@@ -134,31 +134,31 @@ archive_libb2_version(struct archive_string* str)
 static void
 archive_crypto_version(struct archive_string* str)
 {
-#if defined(ARCHIVE_CRYPTOR_USE_Apple_CommonCrypto) || defined(ARCHIVE_DIGEST_USE_Apple_CommonCrypto)
+#if defined(ARCHIVE_CRYPTOR_USE_Apple_CommonCrypto)
 	archive_strcat(str, " CommonCrypto/");
 	archive_strcat(str, archive_commoncrypto_version());
 #endif
-#if defined(ARCHIVE_CRYPTOR_USE_CNG) || defined(ARCHIVE_DIGEST_USE_CNG)
+#if defined(ARCHIVE_CRYPTOR_USE_CNG)
 	archive_strcat(str, " cng/");
 	archive_strcat(str, archive_cng_version());
 #endif
-#if defined(ARCHIVE_CRYPTOR_USE_MBED) || defined(ARCHIVE_DIGEST_USE_MBED)
+#if defined(ARCHIVE_CRYPTOR_USE_MBED)
 	archive_strcat(str, " mbedtls/");
 	archive_strcat(str, archive_mbedtls_version());
 #endif
-#if defined(ARCHIVE_CRYPTOR_USE_NETTLE) || defined(ARCHIVE_DIGEST_USE_NETTLE)
+#if defined(ARCHIVE_CRYPTOR_USE_NETTLE)
 	archive_strcat(str, " nettle/");
 	archive_strcat(str, archive_nettle_version());
 #endif
-#if defined(ARCHIVE_CRYPTOR_USE_OPENSSL) || defined(ARCHIVE_DIGEST_USE_OPENSSL)
+#if defined(ARCHIVE_CRYPTOR_USE_OPENSSL)
 	archive_strcat(str, " openssl/");
 	archive_strcat(str, archive_openssl_version());
 #endif
-#if defined(ARCHIVE_CRYPTOR_USE_LIBMD) || defined(ARCHIVE_DIGEST_USE_LIBMD)
+#if defined(ARCHIVE_CRYPTOR_USE_LIBMD)
 	archive_strcat(str, " libmd/");
 	archive_strcat(str, archive_libmd_version());
 #endif
-#if defined(ARCHIVE_CRYPTOR_USE_WINCRYPT) || defined(ARCHIVE_DIGEST_USE_WINCRYPT)
+#if defined(ARCHIVE_CRYPTOR_USE_WINCRYPT)
 	archive_strcat(str, " WinCrypt/");
 	archive_strcat(str, archive_wincrypt_version());
 #endif
@@ -439,11 +439,11 @@ archive_wincrypt_version(void)
 		if (!CryptAcquireContext(&prov, NULL, NULL, PROV_RSA_FULL, CRYPT_NEWKEYSET))
 			return NULL;
 	}
-	DWORD length, version;
-	if (!CryptGetProvParam(prov, PP_VERSION, &version, &length, 0)) {
+	DWORD version, length = sizeof(version);
+	if (!CryptGetProvParam(prov, PP_VERSION, (BYTE *)&version, &length, 0)) {
 		return NULL;
 	} else {
-		char major = version >> 8;
+		char major = (version >> 8) & 0xFF;
 		char minor = version & 0xFF;
 		static char wincrypt_version[6];
 		snprintf(wincrypt_version, 6, "%hhd.%hhd", major, minor);

libarchive/archive_windows.c

@@ -45,6 +45,7 @@
 #if defined(_WIN32) && !defined(__CYGWIN__)
 
 #include "archive_platform.h"
+#include "archive_platform_stat.h"
 #include "archive_private.h"
 #include "archive_entry.h"
 #include "archive_time_private.h"
@@ -313,6 +314,10 @@ __la_open(const char *path, int flags, ...)
 	pmode = va_arg(ap, int);
 	va_end(ap);
 	ws = NULL;
+
+	/* _(w)sopen_s fails if we provide any other modes */
+	pmode = pmode & (_S_IREAD | _S_IWRITE);
+
 	if ((flags & ~O_BINARY) == O_RDONLY) {
 		/*
 		 * When we open a directory, _open function returns
@@ -374,7 +379,7 @@ __la_open(const char *path, int flags, ...)
 		   TODO: Fix mode of new file.  */
 		r = _open(path, flags);
 #else
-		r = _open(path, flags, pmode);
+		_sopen_s(&r, path, flags, _SH_DENYNO, pmode);
 #endif
 		if (r < 0 && errno == EACCES && (flags & O_CREAT) != 0) {
 			/* Simulate other POSIX system action to pass our test suite. */
@@ -395,7 +400,7 @@ __la_open(const char *path, int flags, ...)
 			return (-1);
 		}
 	}
-	r = _wopen(ws, flags, pmode);
+	_wsopen_s(&r, ws, flags, _SH_DENYNO, pmode);
 	if (r < 0 && errno == EACCES && (flags & O_CREAT) != 0) {
 		/* Simulate other POSIX system action to pass our test suite. */
 		attr = GetFileAttributesW(ws);
@@ -410,6 +415,93 @@ __la_open(const char *path, int flags, ...)
 	return (r);
 }
 
+int
+__la_wopen(const wchar_t *path, int flags, ...)
+{
+	va_list ap;
+	wchar_t *fullpath;
+	int r, pmode;
+	DWORD attr;
+
+	va_start(ap, flags);
+	pmode = va_arg(ap, int);
+	va_end(ap);
+	fullpath = NULL;
+
+	/* _(w)sopen_s fails if we provide any other modes */
+	pmode = pmode & (_S_IREAD | _S_IWRITE);
+
+	if ((flags & ~O_BINARY) == O_RDONLY) {
+		/*
+		 * When we open a directory, _open function returns
+		 * "Permission denied" error.
+		 */
+		attr = GetFileAttributesW(path);
+#if !defined(WINAPI_FAMILY_PARTITION) || WINAPI_FAMILY_PARTITION (WINAPI_PARTITION_DESKTOP)
+		if (attr == (DWORD)-1 && GetLastError() == ERROR_PATH_NOT_FOUND)
+#endif
+		{
+			fullpath = __la_win_permissive_name_w(path);
+			if (fullpath == NULL) {
+				errno = EINVAL;
+				return (-1);
+			}
+			path = fullpath;
+			attr = GetFileAttributesW(fullpath);
+		}
+		if (attr == (DWORD)-1) {
+			la_dosmaperr(GetLastError());
+			free(fullpath);
+			return (-1);
+		}
+		if (attr & FILE_ATTRIBUTE_DIRECTORY) {
+			HANDLE handle;
+#if !defined(WINAPI_FAMILY_PARTITION) || WINAPI_FAMILY_PARTITION (WINAPI_PARTITION_DESKTOP)
+			if (fullpath != NULL)
+				handle = CreateFileW(fullpath, 0, 0, NULL,
+				    OPEN_EXISTING,
+				    FILE_FLAG_BACKUP_SEMANTICS |
+				    FILE_ATTRIBUTE_READONLY,
+					NULL);
+			else
+				handle = CreateFileW(path, 0, 0, NULL,
+				    OPEN_EXISTING,
+				    FILE_FLAG_BACKUP_SEMANTICS |
+				    FILE_ATTRIBUTE_READONLY,
+					NULL);
+#else /* !WINAPI_PARTITION_DESKTOP */
+			CREATEFILE2_EXTENDED_PARAMETERS createExParams;
+			ZeroMemory(&createExParams, sizeof(createExParams));
+			createExParams.dwSize = sizeof(createExParams);
+			createExParams.dwFileAttributes = FILE_ATTRIBUTE_READONLY;
+			createExParams.dwFileFlags = FILE_FLAG_BACKUP_SEMANTICS;
+			handle = CreateFile2(fullpath, 0, 0,
+				OPEN_EXISTING, &createExParams);
+#endif /* !WINAPI_PARTITION_DESKTOP */
+			free(fullpath);
+			if (handle == INVALID_HANDLE_VALUE) {
+				la_dosmaperr(GetLastError());
+				return (-1);
+			}
+			r = _open_osfhandle((intptr_t)handle, _O_RDONLY);
+			return (r);
+		}
+	}
+	_wsopen_s(&r, path, flags, _SH_DENYNO, pmode);
+	if (r < 0 && errno == EACCES && (flags & O_CREAT) != 0) {
+		/* Simulate other POSIX system action to pass our test suite. */
+		attr = GetFileAttributesW(path);
+		if (attr == (DWORD)-1)
+			la_dosmaperr(GetLastError());
+		else if (attr & FILE_ATTRIBUTE_DIRECTORY)
+			errno = EISDIR;
+		else
+			errno = EACCES;
+	}
+	free(fullpath);
+	return (r);
+}
+
 ssize_t
 __la_read(int fd, void *buf, size_t nbytes)
 {
@@ -561,6 +653,8 @@ copy_stat(struct stat *st, struct ustat *us)
 	st->st_mode = us->st_mode;
 	st->st_nlink = us->st_nlink;
 	st->st_size = (off_t)us->st_size;
+	if (st->st_size < 0 || (uint64_t)st->st_size != us->st_size)
+		st->st_size = 0;
 	st->st_uid = us->st_uid;
 	st->st_dev = us->st_dev;
 	st->st_rdev = us->st_rdev;
@@ -630,6 +724,53 @@ __la_stat(const char *path, struct stat *st)
 	return (ret);
 }
 
+static void
+copy_seek_stat(la_seek_stat_t *st, struct ustat *us)
+{
+	st->st_mtime = us->st_mtime;
+	st->st_gid = us->st_gid;
+	st->st_ino = getino(us);
+	st->st_mode = us->st_mode;
+	st->st_nlink = us->st_nlink;
+	st->st_size = (la_seek_t)us->st_size;
+	if (st->st_size < 0 || (uint64_t)st->st_size != us->st_size)
+		st->st_size = -1;
+	st->st_uid = us->st_uid;
+	st->st_dev = us->st_dev;
+	st->st_rdev = us->st_rdev;
+}
+
+int
+__la_seek_fstat(int fd, la_seek_stat_t *st)
+{
+	struct ustat u;
+	int ret;
+
+	ret = __hstat((HANDLE)_get_osfhandle(fd), &u);
+	copy_seek_stat(st, &u);
+	return (ret);
+}
+
+int
+__la_seek_stat(const char *path, la_seek_stat_t *st)
+{
+	HANDLE handle;
+	struct ustat u;
+	int ret;
+
+	handle = la_CreateFile(path, 0, FILE_SHARE_READ, NULL, OPEN_EXISTING,
+		FILE_FLAG_BACKUP_SEMANTICS,
+		NULL);
+	if (handle == INVALID_HANDLE_VALUE) {
+		la_dosmaperr(GetLastError());
+		return (-1);
+	}
+	ret = __hstat(handle, &u);
+	CloseHandle(handle);
+	copy_seek_stat(st, &u);
+	return (ret);
+}
+
 /*
  * This waitpid is limited implementation.
  */
@@ -641,13 +782,14 @@ __la_waitpid(HANDLE child, int *status, int option)
 	(void)option;/* UNUSED */
 	do {
 		if (GetExitCodeProcess(child, &cs) == 0) {
-			CloseHandle(child);
 			la_dosmaperr(GetLastError());
+			CloseHandle(child);
 			*status = 0;
 			return (-1);
 		}
 	} while (cs == STILL_ACTIVE);
 
+	CloseHandle(child);
 	*status = (int)(cs & 0xff);
 	return (0);
 }

libarchive/archive_windows.h

@@ -72,6 +72,8 @@
 #include <windows.h>
 //#define	EFTYPE 7
 
+#include "archive_platform_stat.h"
+
 #if defined(__BORLANDC__)
 #pragma warn -8068	/* Constant out of range in comparison. */
 #pragma warn -8072	/* Suspicious pointer arithmetic. */
@@ -106,6 +108,7 @@
 #endif
 #define	lstat		__la_stat
 #define	open		__la_open
+#define	_wopen		__la_wopen
 #define	read		__la_read
 #if !defined(__BORLANDC__) && !defined(__WATCOMC__)
 #define setmode		_setmode
@@ -261,6 +264,9 @@
     #define	F_OK    0       /*  Test for existence of file  */
 #endif
 
+/* Functions to circumvent off_t limitations */
+int __la_seek_fstat(int fd, la_seek_stat_t *st);
+int __la_seek_stat(const char *path, la_seek_stat_t *st);
 
 /* Replacement POSIX function */
 extern int	 __la_fstat(int fd, struct stat *st);
@@ -269,6 +275,7 @@ extern int	 __la_lstat(const char *path, struct stat *st);
 extern __int64	 __la_lseek(int fd, __int64 offset, int whence);
 #endif
 extern int	 __la_open(const char *path, int flags, ...);
+extern int	 __la_wopen(const wchar_t *path, int flags, ...);
 extern ssize_t	 __la_read(int fd, void *buf, size_t nbytes);
 extern int	 __la_stat(const char *path, struct stat *st);
 extern pid_t	 __la_waitpid(HANDLE child, int *status, int option);

libarchive/archive_write.c

@@ -360,7 +360,6 @@ archive_write_client_open(struct archive_write_filter *f)
 	struct archive_none *state;
 	void *buffer;
 	size_t buffer_size;
-	int ret;
 
 	f->bytes_per_block = archive_write_get_bytes_per_block(f->archive);
 	f->bytes_in_last_block =
@@ -385,13 +384,7 @@ archive_write_client_open(struct archive_write_filter *f)
 
 	if (a->client_opener == NULL)
 		return (ARCHIVE_OK);
-	ret = a->client_opener(f->archive, a->client_data);
-	if (ret != ARCHIVE_OK) {
-		free(state->buffer);
-		free(state);
-		f->data = NULL;
-	}
-	return (ret);
+	return (a->client_opener(f->archive, a->client_data));
 }
 
 static int
@@ -480,6 +473,7 @@ static int
 archive_write_client_free(struct archive_write_filter *f)
 {
 	struct archive_write *a = (struct archive_write *)f->archive;
+	struct archive_none *state = (struct archive_none *)f->data;
 
 	if (a->client_freer)
 		(*a->client_freer)(&a->archive, a->client_data);
@@ -492,6 +486,13 @@ archive_write_client_free(struct archive_write_filter *f)
 		a->passphrase = NULL;
 	}
 
+	/* Free state. */
+	if (state != NULL) {
+		free(state->buffer);
+		free(state);
+		f->data = NULL;
+	}
+
 	return (ARCHIVE_OK);
 }
 
@@ -548,8 +549,6 @@ archive_write_client_close(struct archive_write_filter *f)
 	}
 	if (a->client_closer)
 		(*a->client_closer)(&a->archive, a->client_data);
-	free(state->buffer);
-	free(state);
 
 	/* Clear the close handler myself not to be called again. */
 	f->state = ARCHIVE_WRITE_FILTER_STATE_CLOSED;
@@ -807,7 +806,10 @@ _archive_write_finish_entry(struct archive *_a)
 	if (a->archive.state & ARCHIVE_STATE_DATA
 	    && a->format_finish_entry != NULL)
 		ret = (a->format_finish_entry)(a);
-	a->archive.state = ARCHIVE_STATE_HEADER;
+	if (ret == ARCHIVE_FATAL)
+		a->archive.state = ARCHIVE_STATE_FATAL;
+	else
+		a->archive.state = ARCHIVE_STATE_HEADER;
 	return (ret);
 }
 
@@ -819,6 +821,7 @@ _archive_write_data(struct archive *_a, const void *buff, size_t s)
 {
 	struct archive_write *a = (struct archive_write *)_a;
 	const size_t max_write = INT_MAX;
+	int ret;
 
 	archive_check_magic(&a->archive, ARCHIVE_WRITE_MAGIC,
 	    ARCHIVE_STATE_DATA, "archive_write_data");
@@ -826,7 +829,10 @@ _archive_write_data(struct archive *_a, const void *buff, size_t s)
 	if (s > max_write)
 		s = max_write;
 	archive_clear_error(&a->archive);
-	return ((a->format_write_data)(a, buff, s));
+	ret = (a->format_write_data)(a, buff, s);
+	if (ret == ARCHIVE_FATAL)
+		a->archive.state = ARCHIVE_STATE_FATAL;
+	return (ret);
 }
 
 static struct archive_write_filter *

libarchive/archive_write_add_filter_bzip2.c

@@ -281,6 +281,10 @@ static int
 archive_compressor_bzip2_free(struct archive_write_filter *f)
 {
 	struct private_data *data = (struct private_data *)f->data;
+
+	/* May already have been called, but not necessarily. */
+	(void)BZ2_bzCompressEnd(&(data->stream));
+
 	free(data->compressed);
 	free(data);
 	f->data = NULL;

libarchive/archive_write_add_filter_gzip.c

@@ -191,7 +191,8 @@ static int
 archive_compressor_gzip_open(struct archive_write_filter *f)
 {
 	struct private_data *data = (struct private_data *)f->data;
-	int ret;
+	int ret = ARCHIVE_OK;
+	int init_success;
 
 	if (data->compressed == NULL) {
 		size_t bs = 65536, bpb;
@@ -221,44 +222,66 @@ archive_compressor_gzip_open(struct archive_write_filter *f)
 	data->compressed[0] = 0x1f; /* GZip signature bytes */
 	data->compressed[1] = 0x8b;
 	data->compressed[2] = 0x08; /* "Deflate" compression */
-	data->compressed[3] = data->original_filename == NULL ? 0 : 0x8;
+	data->compressed[3] = 0x00; /* Flags */
 	if (data->timestamp >= 0) {
 		time_t t = time(NULL);
 		data->compressed[4] = (uint8_t)(t)&0xff;  /* Timestamp */
 		data->compressed[5] = (uint8_t)(t>>8)&0xff;
 		data->compressed[6] = (uint8_t)(t>>16)&0xff;
 		data->compressed[7] = (uint8_t)(t>>24)&0xff;
-	} else
+	} else {
 		memset(&data->compressed[4], 0, 4);
-    if (data->compression_level == 9)
-	    data->compressed[8] = 2;
-    else if(data->compression_level == 1)
-	    data->compressed[8] = 4;
-    else
-	    data->compressed[8] = 0;
+	}
+	if (data->compression_level == 9) {
+		data->compressed[8] = 2;
+	} else if(data->compression_level == 1) {
+		data->compressed[8] = 4;
+	} else {
+		data->compressed[8] = 0;
+	}
 	data->compressed[9] = 3; /* OS=Unix */
 	data->stream.next_out += 10;
 	data->stream.avail_out -= 10;
 
 	if (data->original_filename != NULL) {
-		strcpy((char*)data->compressed + 10, data->original_filename);
-		data->stream.next_out += strlen(data->original_filename) + 1;
-		data->stream.avail_out -= strlen(data->original_filename) + 1;
+		/* Limit "original filename" to 32k or the
+		 * remaining space in the buffer, whichever is smaller.
+		 */
+		int ofn_length = strlen(data->original_filename);
+		int ofn_max_length = 32768;
+		int ofn_space_available = data->compressed
+			+ data->compressed_buffer_size
+			- data->stream.next_out
+			- 1;
+		if (ofn_max_length > ofn_space_available) {
+			ofn_max_length = ofn_space_available;
+		}
+		if (ofn_length < ofn_max_length) {
+			data->compressed[3] |= 0x8;
+			strcpy((char*)data->compressed + 10,
+			       data->original_filename);
+			data->stream.next_out += ofn_length + 1;
+			data->stream.avail_out -= ofn_length + 1;
+		} else {
+			archive_set_error(f->archive, ARCHIVE_ERRNO_MISC,
+					  "Gzip 'Original Filename' ignored because it is too long");
+			ret = ARCHIVE_WARN;
+		}
 	}
 
 	f->write = archive_compressor_gzip_write;
 
 	/* Initialize compression library. */
-	ret = deflateInit2(&(data->stream),
+	init_success = deflateInit2(&(data->stream),
 	    data->compression_level,
 	    Z_DEFLATED,
 	    -15 /* < 0 to suppress zlib header */,
 	    8,
 	    Z_DEFAULT_STRATEGY);
 
-	if (ret == Z_OK) {
+	if (init_success == Z_OK) {
 		f->data = data;
-		return (ARCHIVE_OK);
+		return (ret);
 	}
 
 	/* Library setup failed: clean up. */
@@ -266,7 +289,7 @@ archive_compressor_gzip_open(struct archive_write_filter *f)
 	    "initializing compression library");
 
 	/* Override the error message if we know what really went wrong. */
-	switch (ret) {
+	switch (init_success) {
 	case Z_STREAM_ERROR:
 		archive_set_error(f->archive, ARCHIVE_ERRNO_MISC,
 		    "Internal error initializing "

libarchive/archive_write_add_filter_program.c

@@ -330,6 +330,7 @@ __archive_write_program_close(struct archive_write_filter *f,
     struct archive_write_program_data *data)
 {
 	int ret, status;
+	pid_t pid;
 	ssize_t bytes_read;
 
 	if (data->child == 0)
@@ -373,14 +374,12 @@ cleanup:
 		close(data->child_stdin);
 	if (data->child_stdout != -1)
 		close(data->child_stdout);
-	while (waitpid(data->child, &status, 0) == -1 && errno == EINTR)
-		continue;
-#if defined(_WIN32) && !defined(__CYGWIN__)
-	CloseHandle(data->child);
-#endif
+	do {
+		pid = waitpid(data->child, &status, 0);
+	} while (pid == -1 && errno == EINTR);
 	data->child = 0;
 
-	if (status != 0) {
+	if (pid < 0 || status != 0) {
 		archive_set_error(f->archive, EIO,
 		    "Error closing program: %s", data->program_name);
 		ret = ARCHIVE_FATAL;

libarchive/archive_write_add_filter_zstd.c

@@ -391,6 +391,8 @@ archive_compressor_zstd_open(struct archive_write_filter *f)
 
 	ZSTD_CCtx_setParameter(data->cstream, ZSTD_c_nbWorkers, data->threads);
 
+	ZSTD_CCtx_setParameter(data->cstream, ZSTD_c_checksumFlag, 1);
+
 #if ZSTD_VERSION_NUMBER >= MINVER_LONG
 	ZSTD_CCtx_setParameter(data->cstream, ZSTD_c_windowLog, data->long_distance);
 #endif

libarchive/archive_write_disk_posix.c

@@ -2204,7 +2204,7 @@ restore_entry(struct archive_write_disk *a)
 				(void)clear_nochange_fflags(a);
 
 			if ((a->flags & ARCHIVE_EXTRACT_SAFE_WRITES) &&
-			    S_ISREG(a->st.st_mode)) {
+			    S_ISREG(a->mode)) {
 				/* Use a temporary file to extract */
 				if ((a->fd = la_mktemp(a)) == -1) {
 					archive_set_error(&a->archive, errno,
@@ -2559,9 +2559,9 @@ _archive_write_disk_close(struct archive *_a)
 			 * for directories. For other file types
 			 * we need to verify via fstat() or lstat()
 			 */
-			if (fd == -1 || p->filetype != AE_IFDIR) {
+			if (fd < 0 || p->filetype != AE_IFDIR) {
 #if HAVE_FSTAT
-				if (fd > 0 && (
+				if (fd >= 0 && (
 				    fstat(fd, &st) != 0 ||
 				    la_verify_filetype(st.st_mode,
 				    p->filetype) == 0)) {
@@ -3930,10 +3930,14 @@ clear_nochange_fflags(struct archive_write_disk *a)
 #ifdef UF_APPEND
 	    | UF_APPEND
 #endif
-#ifdef EXT2_APPEND_FL
+#if defined(FS_APPEND_FL)
+	    | FS_APPEND_FL
+#elif defined(EXT2_APPEND_FL)
 	    | EXT2_APPEND_FL
 #endif
-#ifdef EXT2_IMMUTABLE_FL
+#if defined(FS_IMMUTABLE_FL)
+	    | FS_IMMUTABLE_FL
+#elif defined(EXT2_IMMUTABLE_FL)
 	    | EXT2_IMMUTABLE_FL
 #endif
 	;
@@ -4437,7 +4441,7 @@ fixup_appledouble(struct archive_write_disk *a, const char *pathname)
 	 */
 	fd = open(pathname, O_RDONLY | O_BINARY | O_CLOEXEC);
 	__archive_ensure_cloexec_flag(fd);
-	if (fd == -1) {
+	if (fd < 0) {
 		archive_set_error(&a->archive, errno,
 		    "Failed to open a restoring file");
 		ret = ARCHIVE_WARN;

libarchive/archive_write_disk_windows.c

@@ -408,7 +408,11 @@ permissive_name_w(struct archive_write_disk *a)
 		wn = _wcsdup(wnp);
 		if (wn == NULL)
 			return (-1);
-		archive_wstring_ensure(&(a->_name_data), 4 + wcslen(wn) + 1);
+		if (archive_wstring_ensure(&(a->_name_data),
+			4 + wcslen(wn) + 1) == NULL) {
+			free(wn);
+			return (-1);
+		}
 		a->name = a->_name_data.s;
 		/* Prepend "\\?\" */
 		archive_wstrncpy(&(a->_name_data), L"\\\\?\\", 4);
@@ -438,8 +442,11 @@ permissive_name_w(struct archive_write_disk *a)
 				wn = _wcsdup(wnp);
 				if (wn == NULL)
 					return (-1);
-				archive_wstring_ensure(&(a->_name_data),
-					8 + wcslen(wn) + 1);
+				if (archive_wstring_ensure(&(a->_name_data),
+					8 + wcslen(wn) + 1) == NULL) {
+					free(wn);
+					return (-1);
+				}
 				a->name = a->_name_data.s;
 				/* Prepend "\\?\UNC\" */
 				archive_wstrncpy(&(a->_name_data),
@@ -471,10 +478,16 @@ permissive_name_w(struct archive_write_disk *a)
 	 */
 	if (wnp[0] == L'\\') {
 		wn = _wcsdup(wnp);
-		if (wn == NULL)
+		if (wn == NULL) {
+			free(wsp);
 			return (-1);
-		archive_wstring_ensure(&(a->_name_data),
-			4 + 2 + wcslen(wn) + 1);
+		}
+		if (archive_wstring_ensure(&(a->_name_data),
+			4 + 2 + wcslen(wn) + 1) == NULL) {
+			free(wsp);
+			free(wn);
+			return (-1);
+		}
 		a->name = a->_name_data.s;
 		/* Prepend "\\?\" and drive name. */
 		archive_wstrncpy(&(a->_name_data), L"\\\\?\\", 4);
@@ -486,9 +499,16 @@ permissive_name_w(struct archive_write_disk *a)
 	}
 
 	wn = _wcsdup(wnp);
-	if (wn == NULL)
+	if (wn == NULL) {
+		free(wsp);
 		return (-1);
-	archive_wstring_ensure(&(a->_name_data), 4 + l + 1 + wcslen(wn) + 1);
+	}
+	if (archive_wstring_ensure(&(a->_name_data),
+		4 + l + 1 + wcslen(wn) + 1) == NULL) {
+		free(wsp);
+		free(wn);
+		return (-1);
+	}
 	a->name = a->_name_data.s;
 	/* Prepend "\\?\" and drive name if not already added. */
 	if (l > 3 && wsp[0] == L'\\' && wsp[1] == L'\\' &&
@@ -1598,7 +1618,7 @@ restore_entry(struct archive_write_disk *a)
 				(void)clear_nochange_fflags(a);
 			}
 			if ((a->flags & ARCHIVE_EXTRACT_SAFE_WRITES) &&
-				S_ISREG(st_mode)) {
+				S_ISREG(a->mode)) {
 				int fd = la_mktemp(a);
 
 				if (fd == -1) {

libarchive/archive_write_open_fd.c

@@ -122,7 +122,7 @@ file_write(struct archive *a, void *client_data, const void *buff, size_t length
 	mine = (struct write_fd_data *)client_data;
 	for (;;) {
 		bytesWritten = write(mine->fd, buff, length);
-		if (bytesWritten <= 0) {
+		if (bytesWritten < 0) {
 			if (errno == EINTR)
 				continue;
 			archive_set_error(a, errno, "Write error");

libarchive/archive_write_open_file.c

@@ -85,16 +85,12 @@ file_write(struct archive *a, void *client_data, const void *buff, size_t length
 	size_t	bytesWritten;
 
 	mine = client_data;
-	for (;;) {
-		bytesWritten = fwrite(buff, 1, length, mine->f);
-		if (bytesWritten <= 0) {
-			if (errno == EINTR)
-				continue;
-			archive_set_error(a, errno, "Write error");
-			return (-1);
-		}
-		return (bytesWritten);
+	bytesWritten = fwrite(buff, 1, length, mine->f);
+	if (bytesWritten != length) {
+		archive_set_error(a, errno, "Write error");
+		return (-1);
 	}
+	return (bytesWritten);
 }
 
 static int

libarchive/archive_write_open_filename.c

@@ -108,6 +108,7 @@ open_filename(struct archive *a, int mbs_fn, const void *filename)
 	else
 		r = archive_mstring_copy_wcs(&mine->filename, filename);
 	if (r < 0) {
+		free(mine);
 		if (errno == ENOMEM) {
 			archive_set_error(a, ENOMEM, "No memory");
 			return (ARCHIVE_FATAL);
@@ -227,7 +228,7 @@ file_write(struct archive *a, void *client_data, const void *buff,
 	mine = (struct write_file_data *)client_data;
 	for (;;) {
 		bytesWritten = write(mine->fd, buff, length);
-		if (bytesWritten <= 0) {
+		if (bytesWritten < 0) {
 			if (errno == EINTR)
 				continue;
 			archive_set_error(a, errno, "Write error");

libarchive/archive_write_set_format_7zip.c

@@ -686,7 +686,7 @@ write_to_temp(struct archive_write *a, const void *buff, size_t s)
 		ws = write(zip->temp_fd, p, s);
 		if (ws < 0) {
 			archive_set_error(&(a->archive), errno,
-			    "fwrite function failed");
+			    "write function failed");
 			return (ARCHIVE_FATAL);
 		}
 		s -= ws;

libarchive/archive_write_set_format_iso9660.c

@@ -1167,7 +1167,12 @@ archive_write_set_format_iso9660(struct archive *_a)
 	iso9660->primary.rootent->parent = iso9660->primary.rootent;
 	iso9660->cur_dirent = iso9660->primary.rootent;
 	archive_string_init(&(iso9660->cur_dirstr));
-	archive_string_ensure(&(iso9660->cur_dirstr), 1);
+	if (archive_string_ensure(&(iso9660->cur_dirstr), 1) == NULL) {
+		free(iso9660);
+		archive_set_error(&a->archive, ENOMEM,
+		    "Can't allocate memory");
+		return (ARCHIVE_FATAL);
+	}
 	iso9660->cur_dirstr.s[0] = 0;
 	iso9660->sconv_to_utf16be = NULL;
 	iso9660->sconv_from_utf16be = NULL;
@@ -5666,9 +5671,15 @@ isoent_tree(struct archive_write *a, struct isoent **isoentpp)
 		 * inserted. */
 		iso9660->cur_dirent = dent;
 		archive_string_empty(&(iso9660->cur_dirstr));
-		archive_string_ensure(&(iso9660->cur_dirstr),
+		if (archive_string_ensure(&(iso9660->cur_dirstr),
 		    archive_strlen(&(dent->file->parentdir)) +
-		    archive_strlen(&(dent->file->basename)) + 2);
+		    archive_strlen(&(dent->file->basename)) + 2) == NULL) {
+			archive_set_error(&a->archive, ENOMEM,
+			    "Can't allocate memory");
+			_isoent_free(isoent);
+			*isoentpp = NULL;
+			return (ARCHIVE_FATAL);
+		}
 		if (archive_strlen(&(dent->file->parentdir)) +
 		    archive_strlen(&(dent->file->basename)) == 0)
 			iso9660->cur_dirstr.s[0] = 0;

libarchive/archive_write_set_format_mtree.c

@@ -1927,7 +1927,7 @@ mtree_entry_setup_filenames(struct archive_write *a, struct mtree_entry *file,
 	}
 
 	/*
-	 * Find out the position which points the last position of
+	 * Find out the position which points to the last position of
 	 * path separator('/').
 	 */
 	slash = NULL;
@@ -2024,7 +2024,7 @@ mtree_entry_add_child_tail(struct mtree_entry *parent,
 }
 
 /*
- * Find a entry from a parent entry with the name.
+ * Find an entry from a parent entry with given name.
  */
 static struct mtree_entry *
 mtree_entry_find_child(struct mtree_entry *parent, const char *child_name)
@@ -2148,10 +2148,10 @@ mtree_entry_tree_add(struct archive_write *a, struct mtree_entry **filep)
 
 		/* Find next sub directory. */
 		if (!np->dir_info) {
-			/* NOT Directory! */
+			/* NOT a directory! */
 			archive_set_error(&a->archive,
 			    ARCHIVE_ERRNO_MISC,
-			    "`%s' is not directory, we cannot insert `%s' ",
+			    "`%s' is not a directory, we cannot insert `%s' ",
 			    np->pathname.s, file->pathname.s);
 			return (ARCHIVE_FAILED);
 		}
@@ -2209,9 +2209,13 @@ mtree_entry_tree_add(struct archive_write *a, struct mtree_entry **filep)
 		 * inserted. */
 		mtree->cur_dirent = dent;
 		archive_string_empty(&(mtree->cur_dirstr));
-		archive_string_ensure(&(mtree->cur_dirstr),
+		if (archive_string_ensure(&(mtree->cur_dirstr),
 		    archive_strlen(&(dent->parentdir)) +
-		    archive_strlen(&(dent->basename)) + 2);
+		    archive_strlen(&(dent->basename)) + 2) == NULL) {
+			archive_set_error(&a->archive, ENOMEM,
+			    "Can't allocate memory");
+			return (ARCHIVE_FATAL);
+		}
 		if (archive_strlen(&(dent->parentdir)) +
 		    archive_strlen(&(dent->basename)) == 0)
 			mtree->cur_dirstr.s[0] = 0;
@@ -2239,10 +2243,7 @@ mtree_entry_tree_add(struct archive_write *a, struct mtree_entry **filep)
 	}
 
 same_entry:
-	/*
-	 * We have already has the entry the filename of which is
-	 * the same.
-	 */
+	/* We already have an entry with same filename. */
 	r = mtree_entry_exchange_same_entry(a, np, file);
 	if (r < ARCHIVE_WARN)
 		return (r);
@@ -2260,13 +2261,13 @@ mtree_entry_exchange_same_entry(struct archive_write *a, struct mtree_entry *np,
 
 	if ((np->mode & AE_IFMT) != (file->mode & AE_IFMT)) {
 		archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,
-		    "Found duplicate entries `%s' and its file type is "
-		    "different",
+		    "Found duplicate entries for `%s' with "
+		    "differing file types.",
 		    np->pathname.s);
 		return (ARCHIVE_FAILED);
 	}
 
-	/* Update the existent mtree entry's attributes by the new one's. */
+	/* Update the existing mtree entry's attributes by the new one's. */
 	archive_string_empty(&np->symlink);
 	archive_string_concat(&np->symlink, &file->symlink);
 	archive_string_empty(&np->uname);

libarchive/archive_write_set_format_xar.c

@@ -689,7 +689,7 @@ write_to_temp(struct archive_write *a, const void *buff, size_t s)
 		ws = write(xar->temp_fd, p, s);
 		if (ws < 0) {
 			archive_set_error(&(a->archive), errno,
-			    "fwrite function failed");
+			    "write function failed");
 			return (ARCHIVE_FATAL);
 		}
 		s -= ws;
@@ -3418,8 +3418,8 @@ static int
 xml_writer_get_final_content_and_length(struct xml_writer *ctx,
     const char **out, size_t *size)
 {
-	*out = (const char*)ctx->bp->content;
-	*size = (size_t)ctx->bp->use;
+	*out = (const char*)xmlBufferContent(ctx->bp);
+	*size = (size_t)xmlBufferLength(ctx->bp);
 	return (0);
 }
 

libarchive/archive_write_set_format_zip.c

@@ -1856,7 +1856,10 @@ archive_write_zip_finish_entry(struct archive_write *a)
 			}
 			ret = __archive_write_output(a, zip->buf, remainder);
 			if (ret != ARCHIVE_OK)
+			{
+				deflateEnd(&zip->stream.deflate);
 				return (ret);
+			}
 			zip->entry_compressed_written += remainder;
 			zip->written_bytes += remainder;
 			zip->stream.deflate.next_out = zip->buf;
@@ -1898,7 +1901,10 @@ archive_write_zip_finish_entry(struct archive_write *a)
 			}
 			ret = __archive_write_output(a, zip->buf, remainder);
 			if (ret != ARCHIVE_OK)
+			{
+				BZ2_bzCompressEnd(&zip->stream.bzip2);
 				return (ret);
+			}
 			zip->entry_compressed_written += remainder;
 			zip->written_bytes += remainder;
 			zip->stream.bzip2.next_out = (char*)zip->buf;
@@ -1940,13 +1946,17 @@ archive_write_zip_finish_entry(struct archive_write *a)
 			}
 			ret = __archive_write_output(a, zip->buf, remainder);
 			if (ret != ARCHIVE_OK)
+			{
+				ZSTD_freeCStream(zip->stream.zstd.context);
 				return (ret);
+			}
 			zip->entry_compressed_written += remainder;
 			zip->written_bytes += remainder;
-			zip->stream.zstd.out.dst = zip->buf;
 			if (zip->stream.zstd.out.pos != zip->stream.zstd.out.size)
 				finishing = 0;
+			zip->stream.zstd.out.dst = zip->buf;
 			zip->stream.zstd.out.size = zip->len_buf;
+			zip->stream.zstd.out.pos = 0;
 		} while (finishing);
 		ZSTD_freeCStream(zip->stream.zstd.context);
 		break;
@@ -1984,7 +1994,10 @@ archive_write_zip_finish_entry(struct archive_write *a)
 			}
 			ret = __archive_write_output(a, zip->buf, remainder);
 			if (ret != ARCHIVE_OK)
+			{
+				lzma_end(&zip->stream.lzma.context);
 				return (ret);
+			}
 			zip->entry_compressed_written += remainder;
 			zip->written_bytes += remainder;
 			zip->stream.lzma.context.next_out = zip->buf;
@@ -2434,13 +2447,19 @@ init_winzip_aes_encryption(struct archive_write *a)
 		    "Can't generate random number for encryption");
 		return (ARCHIVE_FATAL);
 	}
-	archive_pbkdf2_sha1(passphrase, strlen(passphrase),
+	ret = archive_pbkdf2_sha1(passphrase, strlen(passphrase),
 	    salt, salt_len, 1000, derived_key, key_len * 2 + 2);
+	if (ret != 0) {
+		archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,
+		    ret == CRYPTOR_STUB_FUNCTION ? "Encryption is unsupported due to "
+			"lack of crypto library" : "Failed to process passphrase");
+		return (ARCHIVE_FAILED);
+	}
 
 	ret = archive_encrypto_aes_ctr_init(&zip->cctx, derived_key, key_len);
 	if (ret != 0) {
 		archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,
-		    "Decryption is unsupported due to lack of crypto library");
+		    "Failed to initialize AES CTR mode");
 		return (ARCHIVE_FAILED);
 	}
 	ret = archive_hmac_sha1_init(&zip->hctx, derived_key + key_len,

libarchive/filter_fork_posix.c

@@ -1,6 +1,6 @@
 /*-
  * Copyright (c) 2007 Joerg Sonnenberger
- * Copyright (c) 2012 Michihiro NAKAJIMA 
+ * Copyright (c) 2012 Michihiro NAKAJIMA
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -76,7 +76,15 @@ __archive_create_child(const char *cmd, int *child_stdin, int *child_stdout,
 {
 	pid_t child = -1;
 	int stdin_pipe[2], stdout_pipe[2], tmp;
+
+#if !defined(POSIX_SPAWN_CLOEXEC_DEFAULT) && \
+    (HAVE_FORK || HAVE_VFORK) && \
+    (HAVE_CLOSEFROM || HAVE_CLOSE_RANGE || defined(_SC_OPEN_MAX))
+#undef HAVE_POSIX_SPAWNP
+#endif
+
 #if HAVE_POSIX_SPAWNP
+	posix_spawnattr_t attr;
 	posix_spawn_file_actions_t actions;
 	int r;
 #endif
@@ -107,11 +115,21 @@ __archive_create_child(const char *cmd, int *child_stdin, int *child_stdout,
 
 #if HAVE_POSIX_SPAWNP
 
-	r = posix_spawn_file_actions_init(&actions);
+	r = posix_spawnattr_init(&attr);
 	if (r != 0) {
 		errno = r;
 		goto stdout_opened;
 	}
+	r = posix_spawn_file_actions_init(&actions);
+	if (r != 0) {
+		errno = r;
+		goto attr_inited;
+	}
+#ifdef POSIX_SPAWN_CLOEXEC_DEFAULT
+	r = posix_spawnattr_setflags(&attr, POSIX_SPAWN_CLOEXEC_DEFAULT);
+	if (r != 0)
+		goto actions_inited;
+#endif
 	r = posix_spawn_file_actions_addclose(&actions, stdin_pipe[1]);
 	if (r != 0)
 		goto actions_inited;
@@ -136,11 +154,12 @@ __archive_create_child(const char *cmd, int *child_stdin, int *child_stdout,
 		if (r != 0)
 			goto actions_inited;
 	}
-	r = posix_spawnp(&child, cmdline->path, &actions, NULL,
+	r = posix_spawnp(&child, cmdline->path, &actions, &attr,
 		cmdline->argv, NULL);
 	if (r != 0)
 		goto actions_inited;
 	posix_spawn_file_actions_destroy(&actions);
+	posix_spawnattr_destroy(&attr);
 
 #else /* HAVE_POSIX_SPAWNP */
 
@@ -162,6 +181,16 @@ __archive_create_child(const char *cmd, int *child_stdin, int *child_stdout,
 			_exit(254);
 		if (stdout_pipe[1] != 1 /* stdout */)
 			close(stdout_pipe[1]);
+
+#if HAVE_CLOSEFROM
+		closefrom(3);
+#elif HAVE_CLOSE_RANGE
+		close_range(3, ~0U, 0);
+#elif defined(_SC_OPEN_MAX)
+		for (int i = sysconf(_SC_OPEN_MAX); i > 3;)
+			close(--i);
+#endif
+
 		execvp(cmdline->path, cmdline->argv);
 		_exit(254);
 	}
@@ -183,6 +212,8 @@ __archive_create_child(const char *cmd, int *child_stdin, int *child_stdout,
 actions_inited:
 	errno = r;
 	posix_spawn_file_actions_destroy(&actions);
+attr_inited:
+	posix_spawnattr_destroy(&attr);
 #endif
 stdout_opened:
 	close(stdout_pipe[0]);

libarchive/test/CMakeLists.txt

@@ -168,14 +168,17 @@ IF(ENABLE_TEST)
     test_read_format_rar5.c
     test_read_format_raw.c
     test_read_format_tar.c
+    test_read_format_tar_V_negative_size.c
     test_read_format_tar_concatenated.c
     test_read_format_tar_empty_filename.c
     test_read_format_tar_empty_with_gnulabel.c
     test_read_format_tar_empty_pax.c
     test_read_format_tar_filename.c
     test_read_format_tar_invalid_pax_size.c
+    test_read_format_tar_mac_metadata.c
     test_read_format_tar_pax_g_large.c
     test_read_format_tar_pax_large_attr.c
+    test_read_format_tar_pax_negative_time.c
     test_read_format_tbz.c
     test_read_format_tgz.c
     test_read_format_tlz.c
@@ -208,6 +211,7 @@ IF(ENABLE_TEST)
     test_read_format_zip_zip64.c
     test_read_format_zip_with_invalid_traditional_eocd.c
     test_read_large.c
+    test_read_pax_empty_val_no_nl.c
     test_read_pax_xattr_rht_security_selinux.c
     test_read_pax_xattr_schily.c
     test_read_pax_truncated.c

libarchive/test/test_acl_nfs4.c

@@ -145,6 +145,13 @@ static struct archive_test_acl_t acls_bad[] = {
 	  ARCHIVE_ENTRY_ACL_EVERYONE, -1, "" },
 	{ ARCHIVE_ENTRY_ACL_TYPE_ALLOW, ARCHIVE_ENTRY_ACL_WRITE,
 	  ARCHIVE_ENTRY_ACL_EVERYONE, -1, "" },
+
+	/* Multiple types */
+	{ ARCHIVE_ENTRY_ACL_TYPE_ALLOW | ARCHIVE_ENTRY_ACL_TYPE_AUDIT,
+	  ARCHIVE_ENTRY_ACL_EXECUTE,
+	  ARCHIVE_ENTRY_ACL_EVERYONE, -1, "" },
+	{ ARCHIVE_ENTRY_ACL_TYPE_NFS4, ARCHIVE_ENTRY_ACL_EXECUTE,
+	  ARCHIVE_ENTRY_ACL_EVERYONE, -1, "" },
 };
 
 DEFINE_TEST(test_acl_nfs4)

libarchive/test/test_acl_posix1e.c

@@ -94,6 +94,11 @@ static struct archive_test_acl_t acls_nfs4[] = {
 	{ ARCHIVE_ENTRY_ACL_TYPE_ACCESS,
 	  ARCHIVE_ENTRY_ACL_READ | ARCHIVE_ENTRY_ACL_ENTRY_FILE_INHERIT,
 	  ARCHIVE_ENTRY_ACL_USER_OBJ, -1, "" },
+
+	/* Invalid type codes */
+	{ ARCHIVE_ENTRY_ACL_TYPE_ACCESS | ARCHIVE_ENTRY_ACL_TYPE_DEFAULT,
+	  ARCHIVE_ENTRY_ACL_READ,
+	  ARCHIVE_ENTRY_ACL_GROUP_OBJ, -1, "" },
 };
 
 DEFINE_TEST(test_acl_posix1e)

libarchive/test/test_archive_parse_date.c

@@ -39,6 +39,8 @@ DEFINE_TEST(test_archive_parse_date)
 	assertEqualInt(get_date(now, "Jan 1, 1970 UTC"), 0);
 	assertEqualInt(get_date(now, "7:12:18-0530 4 May 1983"), 420900138);
 	assertEqualInt(get_date(now, "2004/01/29 513 mest"), 1075345980);
+	assertEqualInt(get_date(now, "2038-06-01 00:01:02 UTC"),
+	    sizeof(time_t) <= 4 ? -1 : 2158963262);
 	assertEqualInt(get_date(now, "99/02/17 7pm utc"), 919278000);
 	assertEqualInt(get_date(now, "02/17/99 7:11am est"), 919253460);
 	assertEqualInt(get_date(now, "now - 2 hours"),

libarchive/test/test_archive_string_conversion.c

@@ -991,6 +991,7 @@ DEFINE_TEST(test_archive_string_update_utf8_koi8)
 	static const char koi8_string[] = "\xD0\xD2\xC9";
 	static const wchar_t wcs_string[] = L"\U0000043f\U00000440\U00000438";
 	struct archive_mstring mstr;
+	struct archive *a;
 	int r;
 
 	memset(&mstr, 0, sizeof(mstr));
@@ -999,6 +1000,15 @@ DEFINE_TEST(test_archive_string_update_utf8_koi8)
 		skipping("KOI8-R locale not available on this system.");
 		return;
 	}
+	a = archive_write_new();
+	assertEqualInt(ARCHIVE_OK, archive_write_set_format_pax(a));
+	if (archive_write_set_options(a, "hdrcharset=UTF-8") != ARCHIVE_OK) {
+		skipping("This system cannot convert character-set"
+		    " from KOI8-R to UTF-8.");
+		archive_write_free(a);
+		return;
+	}
+	archive_write_free(a);
 
 	r = archive_mstring_update_utf8(NULL, &mstr, utf8_string);
 

libarchive/test/test_entry.c

@@ -436,7 +436,7 @@ DEFINE_TEST(test_entry)
 	archive_entry_fflags(e, &set, &clear);
 	assertEqualInt(UF_HIDDEN, set);
 	assertEqualInt(UF_NODUMP | UF_IMMUTABLE | UF_APPEND, clear);
-#elif defined(_WIN32) && !defined(CYGWIN)
+#elif defined(_WIN32) && !defined(__CYGWIN__)
 	archive_entry_copy_fflags_text_w(e, L"rdonly,hidden,nosystem");
 	archive_entry_fflags(e, &set, &clear);
 	assertEqualInt(FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_HIDDEN, set);
@@ -880,6 +880,17 @@ DEFINE_TEST(test_entry)
 	if (pst == NULL)
 		return;
 	assertEqualInt(pst->st_uid, 22);
+
+	/* Check behavior with large sizes. */
+	archive_entry_set_size(e, INT64_MAX - 1);
+	assert((pst = archive_entry_stat(e)) != NULL);
+	if (pst == NULL)
+		return;
+	if (sizeof(pst->st_size) < sizeof(int64_t))
+		assertEqualInt(pst->st_size, 0);
+	else
+		assertEqualInt(pst->st_size, INT64_MAX - 1);
+
 	/* We don't need to check high-res fields here. */
 
 	/*

libarchive/test/test_read_disk_directory_traversals.c

@@ -39,7 +39,7 @@ atimeIsUpdated(void)
 {
 	const char *fn = "fs_noatime";
 	struct stat st;
-#if defined(_WIN32) && !defined(CYGWIN)
+#if defined(_WIN32) && !defined(__CYGWIN__)
 	char *buff = NULL;
 	char *ptr;
 	int r;

libarchive/test/test_read_filter_gzip_recursive.c

@@ -29,8 +29,8 @@ DEFINE_TEST(test_read_filter_gzip_recursive)
 	const char *name = "test_read_filter_gzip_recursive.gz";
 	struct archive *a;
 
-	if (!canGzip()) {
-		skipping("gzip not available");
+	if (archive_zlib_version() == NULL) {
+		skipping("zlib not available");
 		return;
 	}
 

libarchive/test/test_read_format_7zip.c

@@ -1285,19 +1285,26 @@ DEFINE_TEST(test_read_format_7zip_sfx_pe)
 	const char test_txt[] = "123";
 	int size = sizeof(test_txt) - 1;
 
-	extract_reference_file(reffile);
 	assert((a = archive_read_new()) != NULL);
-	assertA(0 == archive_read_support_filter_all(a));
-	assertA(0 == archive_read_support_format_all(a));
-	assertA(0 == archive_read_open_filename(a, reffile, bs));
 
-	assertA(0 == archive_read_next_header(a, &ae));
-	assertEqualString("test.txt.txt", archive_entry_pathname(ae));
+	if (ARCHIVE_OK != archive_read_support_filter_lzma(a)) {
+		skipping(
+		    "7zip:lzma decoding is not supported on this platform");
+	} else {
+		extract_reference_file(reffile);
+		assertA(0 == archive_read_support_filter_all(a));
+		assertA(0 == archive_read_support_format_all(a));
+		assertA(0 == archive_read_open_filename(a, reffile, bs));
 
-	assertA(size == archive_read_data(a, buff, size));
-	assertEqualMem(buff, test_txt, size);
+		assertA(0 == archive_read_next_header(a, &ae));
+		assertEqualString("test.txt.txt", archive_entry_pathname(ae));
+
+		assertA(size == archive_read_data(a, buff, size));
+		assertEqualMem(buff, test_txt, size);
+
+		assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));
+	}
 
-	assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));
 	assertEqualInt(ARCHIVE_OK, archive_read_free(a));
 }
 
@@ -1316,19 +1323,26 @@ DEFINE_TEST(test_read_format_7zip_sfx_modified_pe)
 	const char test_txt[] = "123";
 	int size = sizeof(test_txt) - 1;
 
-	extract_reference_file(reffile);
 	assert((a = archive_read_new()) != NULL);
-	assertA(0 == archive_read_support_filter_all(a));
-	assertA(0 == archive_read_support_format_all(a));
-	assertA(0 == archive_read_open_filename(a, reffile, bs));
 
-	assertA(0 == archive_read_next_header(a, &ae));
-	assertEqualString("test.txt.txt", archive_entry_pathname(ae));
+	if (ARCHIVE_OK != archive_read_support_filter_lzma(a)) {
+		skipping(
+		    "7zip:lzma decoding is not supported on this platform");
+	} else {
+		extract_reference_file(reffile);
+		assertA(0 == archive_read_support_filter_all(a));
+		assertA(0 == archive_read_support_format_all(a));
+		assertA(0 == archive_read_open_filename(a, reffile, bs));
 
-	assertA(size == archive_read_data(a, buff, size));
-	assertEqualMem(buff, test_txt, size);
+		assertA(0 == archive_read_next_header(a, &ae));
+		assertEqualString("test.txt.txt", archive_entry_pathname(ae));
+
+		assertA(size == archive_read_data(a, buff, size));
+		assertEqualMem(buff, test_txt, size);
+
+		assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));
+	}
 
-	assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));
 	assertEqualInt(ARCHIVE_OK, archive_read_free(a));
 }
 
@@ -1346,20 +1360,27 @@ DEFINE_TEST(test_read_format_7zip_sfx_elf)
 	const char test_txt[] = "123";
 	int size = sizeof(test_txt) - 1;
 
-	extract_reference_file(reffile);
 	assert((a = archive_read_new()) != NULL);
-	assertA(0 == archive_read_support_filter_all(a));
-	assertA(0 == archive_read_support_format_all(a));
-	assertA(0 == archive_read_open_filename(a, reffile, bs));
 
-	assertA(0 == archive_read_next_header(a, &ae));
-	assertEqualString("test.txt.txt", archive_entry_pathname(ae));
+	if (ARCHIVE_OK != archive_read_support_filter_lzma(a)) {
+		skipping(
+		    "7zip:lzma decoding is not supported on this platform");
+	} else {
+		extract_reference_file(reffile);
+		assertA(0 == archive_read_support_filter_all(a));
+		assertA(0 == archive_read_support_format_all(a));
+		assertA(0 == archive_read_open_filename(a, reffile, bs));
 
-	assertA(size == archive_read_data(a, buff, size));
-	assertEqualMem(buff, test_txt, size);
+		assertA(0 == archive_read_next_header(a, &ae));
+		assertEqualString("test.txt.txt", archive_entry_pathname(ae));
 
-	assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));
-  assertEqualInt(ARCHIVE_OK, archive_read_free(a));
+		assertA(size == archive_read_data(a, buff, size));
+		assertEqualMem(buff, test_txt, size);
+
+		assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));
+	}
+
+	assertEqualInt(ARCHIVE_OK, archive_read_free(a));
 }
 
 DEFINE_TEST(test_read_format_7zip_extract_second)
@@ -1597,9 +1618,9 @@ DEFINE_TEST(test_read_format_7zip_lzma2_powerpc)
 
 	assert((a = archive_read_new()) != NULL);
 
-	if (ARCHIVE_OK != archive_read_support_filter_gzip(a)) {
+	if (ARCHIVE_OK != archive_read_support_filter_lzma(a)) {
 		skipping(
-		    "7zip:deflate decoding is not supported on this platform");
+		    "7zip:lzma decoding is not supported on this platform");
 	} else {
 		test_powerpc_filter("test_read_format_7zip_lzma2_powerpc.7z");
 	}

libarchive/test/test_read_format_gtar_sparse_skip_entry.tar.Z.uu

@@ -1,15 +1,15 @@
 begin 644 test_read_format_gtar_sparse_skip_entry.tar.Z
 M'YV04,+@05(F#)DR<EZ$`<"PH<.'$"-*G$BQHL6*,#+:L$$#!(",,6[4@.$1
 MI$B2'S.JS#A#A@P0,63,L`$C!HP9-VB\K"FCAHT8`$#@N4BTJ-&C2"/6F4,G
-MC)R48^J424HQZE2J$E=F+*G5(]:O8,.*'3M6!LDY:?24Z6'S!DX:,7#(H$%#
-MP0R2;>BD:;,V!@T8-6)NE&'#10T<-#;>R(%CAEV28_3R9?LW\(P8-F[`<#%C
-M)@T<->#6>`PBC.2^E07;J#'#Q>J-F5DJ<`GBB),J+N;`<3JGC(LV8=2\D<-V
-M]DO;N'7S]MTFC9OA/6#,CE'[=N[=<GJ[<!-F<AB[-:HGQZY=3D$V:-6RA>$V
-M9]RY=<G*GT^_OOW[^/.#13Z%?!DC:;!1AD+Z%6B12AMUE%)((W'%($I:U603
-M#!W%-%---^6T4PPM8184#`:&"-9233V5D57SH2A?A%RMY)6(,,8HHPP*2/=7
-M#C8HT-9;[_VE0'PR!BGDD$06:>212"9YD1EOO*&`DE!&*>645%9IY9589JGE
+MC)R48^J424HQZE2J$E=F+*G5(]:O8,.*'3M6!LDY:?24Z:$U(XV?,A3,(-F&
+M3IHV:V/0@%$CYD89-ES4P/'6QHT<.&;()3G&+MX>>OG&F!'#,`P7,V;2P%&#
+M1HP:BT&$<9QW;U_`-FK,<)%ZH^6;"ER"..*DBHLY<)S.*>.B31@U;^1`COV2
+MMFW<NGFW2>,F.-O8,6;7OIU;SFX7;L(\#B.WAO3CU:_+*<@&K5K(,&[@](Q#
+M!@T:"LC*GT^_OOW[^/.#-3XE?!DC:;!1AD+Z%6B12AMUE%)((W'%($IMK=11
+M3#/5=%-..TTF@UY!P6#@AV`MU=13&5DUGXGRM<752EZ!Z.*+,,8%@P)[Y6"#
+M`C:IEU,,[>TE5WPP!BGDD$06:>212"9YD1EOO`&DDE!&*>645%9IY9589JGE
 MEEQVZ>678(8IYIADEFGFF6BFJ>::;+;IYIMPQBGGG'36:>>=>.:IYYY\]NGG
-MGX`&*NB@A!9JJ)YB](D@1PZ>U&B#*468484RT11###7<8!8(&-)4PX=^DN@4
-B5%*E6.J*746JTHN'2LFDDZW&*NNLM-9JZZVXYJKKKKR&!0``
+MGX`&*NB@A!9J*)YB](D@1PZ>U&B#*44(PX0RT13#9S>8!8*%--70H9\B.@65
+A5">2FF)7D:K4XJ%2,NDDJ[#&*NNLM-9JZZVXYJKKKF$!
 `
 end

libarchive/test/test_read_format_rar5.c

@@ -1111,6 +1111,18 @@ DEFINE_TEST(test_read_format_rar5_nonempty_dir_stream)
 	EPILOGUE();
 }
 
+DEFINE_TEST(test_read_format_rar5_nonempty_dir_data)
+{
+	PROLOGUE("test_read_format_rar5_dirdata.rar");
+
+	/* This archive is invalid. It declares a directory entry with nonzero
+	   data size. */
+
+	assertA(archive_read_next_header(a, &ae) == ARCHIVE_FATAL);
+
+	EPILOGUE();
+}
+
 DEFINE_TEST(test_read_format_rar5_fileattr)
 {
 	unsigned long set, clear, flag;
@@ -1126,7 +1138,7 @@ DEFINE_TEST(test_read_format_rar5_fileattr)
 	archive_entry_fflags(ae, &set, &clear);
 #if defined(__FreeBSD__)
 	flag = UF_READONLY;
-#elif defined(_WIN32) && !defined(CYGWIN)
+#elif defined(_WIN32) && !defined(__CYGWIN__)
 	flag = FILE_ATTRIBUTE_READONLY;
 #endif
 	assertEqualInt(flag, set & flag);
@@ -1138,7 +1150,7 @@ DEFINE_TEST(test_read_format_rar5_fileattr)
 	archive_entry_fflags(ae, &set, &clear);
 #if defined(__FreeBSD__)
 	flag = UF_HIDDEN;
-#elif defined(_WIN32) && !defined(CYGWIN)
+#elif defined(_WIN32) && !defined(__CYGWIN__)
 	flag = FILE_ATTRIBUTE_HIDDEN;
 #endif
 	assertEqualInt(flag, set & flag);
@@ -1150,7 +1162,7 @@ DEFINE_TEST(test_read_format_rar5_fileattr)
 	archive_entry_fflags(ae, &set, &clear);
 #if defined(__FreeBSD__)
 	flag = UF_SYSTEM;
-#elif defined(_WIN32) && !defined(CYGWIN)
+#elif defined(_WIN32) && !defined(__CYGWIN__)
 	flag = FILE_ATTRIBUTE_SYSTEM;
 #endif
 	assertEqualInt(flag, set & flag);
@@ -1162,7 +1174,7 @@ DEFINE_TEST(test_read_format_rar5_fileattr)
 	archive_entry_fflags(ae, &set, &clear);
 #if defined(__FreeBSD__)
 	flag = UF_READONLY | UF_HIDDEN;
-#elif defined(_WIN32) && !defined(CYGWIN)
+#elif defined(_WIN32) && !defined(__CYGWIN__)
 	flag = FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_HIDDEN;
 #endif
 	assertEqualInt(flag, set & flag);
@@ -1174,7 +1186,7 @@ DEFINE_TEST(test_read_format_rar5_fileattr)
 	archive_entry_fflags(ae, &set, &clear);
 #if defined(__FreeBSD__)
 	flag = UF_READONLY;
-#elif defined(_WIN32) && !defined(CYGWIN)
+#elif defined(_WIN32) && !defined(__CYGWIN__)
 	flag = FILE_ATTRIBUTE_READONLY;
 #endif
 	assertEqualInt(flag, set & flag);
@@ -1186,7 +1198,7 @@ DEFINE_TEST(test_read_format_rar5_fileattr)
 	archive_entry_fflags(ae, &set, &clear);
 #if defined(__FreeBSD__)
 	flag = UF_HIDDEN;
-#elif defined(_WIN32) && !defined(CYGWIN)
+#elif defined(_WIN32) && !defined(__CYGWIN__)
 	flag = FILE_ATTRIBUTE_HIDDEN;
 #endif
 	assertEqualInt(flag, set & flag);
@@ -1198,7 +1210,7 @@ DEFINE_TEST(test_read_format_rar5_fileattr)
 	archive_entry_fflags(ae, &set, &clear);
 #if defined(__FreeBSD__)
 	flag = UF_SYSTEM;
-#elif defined(_WIN32) && !defined(CYGWIN)
+#elif defined(_WIN32) && !defined(__CYGWIN__)
 	flag = FILE_ATTRIBUTE_SYSTEM;
 #endif
 	assertEqualInt(flag, set & flag);
@@ -1210,7 +1222,7 @@ DEFINE_TEST(test_read_format_rar5_fileattr)
 	archive_entry_fflags(ae, &set, &clear);
 #if defined(__FreeBSD__)
 	flag = UF_READONLY | UF_HIDDEN;
-#elif defined(_WIN32) && !defined(CYGWIN)
+#elif defined(_WIN32) && !defined(__CYGWIN__)
 	flag = FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_HIDDEN;
 #endif
 	assertEqualInt(flag, set & flag);
@@ -1428,3 +1440,57 @@ DEFINE_TEST(test_read_format_rar5_data_ready_pointer_leak)
 
 	EPILOGUE();
 }
+
+DEFINE_TEST(test_read_format_rar5_only_crypt_exfld)
+{
+	/* GH #2711 */
+
+	char buf[4096];
+	PROLOGUE("test_read_format_rar5_only_crypt_exfld.rar");
+
+	/* The reader should allow iteration through files, but should fail
+	   during data extraction. */
+
+	assertA(archive_read_next_header(a, &ae) == ARCHIVE_OK);
+	assertA(archive_read_data(a, buf, sizeof(buf)) == ARCHIVE_FATAL);
+
+	/* The reader should also provide a valid error message. */
+	assertA(archive_error_string(a) != NULL);
+
+	EPILOGUE();
+}
+
+DEFINE_TEST(test_read_format_rar5_only_unsupported_exfld)
+{
+	/* GH #2711 */
+
+	char buf[4096];
+	PROLOGUE("test_read_format_rar5_unsupported_exfld.rar");
+
+	/* The reader should allow iteration through files, and it should
+	   succeed with data extraction. */
+
+	assertA(archive_read_next_header(a, &ae) == ARCHIVE_OK);
+
+	/* 48 is the expected number of bytes that should be extracted */
+	assertA(archive_read_data(a, buf, sizeof(buf)) == 48);
+
+	EPILOGUE();
+}
+
+DEFINE_TEST(test_read_format_rar5_invalidhash_and_validhtime_exfld)
+{
+	/* GH #2711 */
+
+	char buf[4096];
+	PROLOGUE("test_read_format_rar5_invalid_hash_valid_htime_exfld.rar");
+
+	/* The reader should report an error when trying to process this data.
+	   Returning EOF here means that the reader has failed to identify
+	   malformed structure. */
+
+	assertA(archive_read_next_header(a, &ae) < 0);
+	assertA(archive_read_data(a, buf, sizeof(buf)) < 0);
+
+	EPILOGUE();
+}

libarchive/test/test_read_format_rar5_dirdata.rar.uu

@@ -0,0 +1,6 @@
+begin 644 -
+M4F%R(1H'`0`BD'[;,`$%,#8P`0&`@("``B?GD;$U`@(+@X``"_C5%:2#``(`
+M`#"``S`P,#`P,#`P,#!);S#6KA',@]:N$?*IN;YV[8"1S>?4^`,#`R,#`P,#
+-`P,#1)'C@XX*4`O.^P``
+`
+end

libarchive/test/test_read_format_rar5_invalid_hash_valid_htime_exfld.rar.uu

@@ -0,0 +1,6 @@
+begin 644 -
+M4F%R(1H'`0`SDK7E"@$%!@`%`0&`@`#^T/5L)`(###$$,>V#`D840I@``0AF
+M:6QE+G1X=`@"OX0]``$"`P(#`&EN=F%L:60@2$%32"!E>'1R82P@86YD(&QA
+>=&5R(&$@=F%L:60@2%1)344@97AT<F$@/=^&`@4$
+`
+end

libarchive/test/test_read_format_rar5_only_crypt_exfld.rar.uu

@@ -0,0 +1,7 @@
+begin 644 -
+M4F%R(1H'`0`SDK7E"@$%!@`%`0&`@`"!0_"Y/0(#)2X$+NV#`IB>)!,``0AF
+M:6QE+G1X="0!```&``````````````````````````````````````````!R
+M87(U('-T;W)E9"!F:6QE('=I=&@@;VYL>2!A($-265!4(&5X=')A(&9I96QD
+'(#W?A@(%!```
+`
+end

libarchive/test/test_read_format_rar5_unsupported_exfld.rar.uu

@@ -0,0 +1,6 @@
+begin 644 -
+M4F%R(1H'`0`SDK7E"@$%!@`%`0&`@`#>[JDS)@(##C`$,.V#`BX6Z[0``0AF
+M:6QE+G1X=`W_____#WA6-!(`````<F%R-2!S=&]R960@9FEL92!W:71H(&%N
+?('5N<W5P<&]R=&5D(&5X=')A(&9I96QD(#W?A@(%!```
+`
+end

libarchive/test/test_read_format_tar_V_negative_size.c

@@ -0,0 +1,48 @@
+/*-
+ * Copyright (c) 2025 Tim Kientzle
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "test.h"
+
+DEFINE_TEST(test_read_format_tar_V_negative_size)
+{
+	/*
+	 * An archive that contains a `V` volume header with a negative body size
+	 *
+	 * This used to lead to an infinite loop:  the tar reader would "advance"
+	 * by the size of the body to skip it, which would in this case end up
+	 * reversing back to the beginning of the same header.
+	 */
+	struct archive_entry *ae;
+	struct archive *a;
+	const char *refname = "test_read_format_tar_V_negative_size.tar";
+
+	extract_reference_file(refname);
+	assert((a = archive_read_new()) != NULL);
+	assertEqualInt(ARCHIVE_OK, archive_read_support_filter_all(a));
+	assertEqualInt(ARCHIVE_OK, archive_read_support_format_all(a));
+	assertEqualIntA(a, ARCHIVE_OK, archive_read_open_filename(a, refname, 10240));
+	assertEqualIntA(a, ARCHIVE_FATAL, archive_read_next_header(a, &ae));
+	assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));
+	assertEqualInt(ARCHIVE_OK, archive_read_free(a));
+}

libarchive/test/test_read_format_tar_V_negative_size.tar.uu

@@ -0,0 +1,20 @@
+Tar archive with a single `V` header that has a negative size.
+This used to result in an infinite loop -- the tar reader would
+"advance" by the size of the header, which in this case just backed
+up to re-read the same header again.
+
+begin 644 test_read_format_tar_V_negative_size.tar
+M`#(VXP```````````````````-Z;@"E&LOX^\@````````````!7````'```
+M````````````````````````````````````````````````````````````
+M``````````````````````````````````````````#___\````````@````
+M````````````````````````````5H%ZL#X]SH\-``":SN#[C4;Z5OOW-&']
+M?HHQ%WRG?Z$Q>^E#_1.OY96VEI*Z<U[)$TR502_;F$;9FU"/F'!`V:0`````
+M`````````````````````````````````````````````````````0``````
+M````````````````````````````````````````````````````````````
+M`````````````````````````````0``````````````````````````````
+M````````````````````````````````````````````````````````````
+M````````````````````````````````````````````````````````````
+M````````````````````````````````````````````````````````````
+1````````````````````````
+`
+end