update to 3.5.1
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@ -1,65 +0,0 @@
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From 4e575be32d0d128fa046ca74353d1ac880436948 Mon Sep 17 00:00:00 2001
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From: lutianxiong <lutianxiong@huawei.com>
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Date: Thu, 20 Aug 2020 19:09:03 +0800
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Subject: [PATCH] Add a loop checker in read_data_compressed to avoid stack
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overflow.
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Signed-off-by: lutianxiong <lutianxiong@huawei.com>
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---
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libarchive/archive_read_support_format_rar.c | 14 ++++++++++----
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1 file changed, 10 insertions(+), 4 deletions(-)
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diff --git a/libarchive/archive_read_support_format_rar.c b/libarchive/archive_read_support_format_rar.c
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index 98efbb1a6..283a96044 100644
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--- a/libarchive/archive_read_support_format_rar.c
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+++ b/libarchive/archive_read_support_format_rar.c
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@@ -151,6 +151,9 @@
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#undef minimum
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#define minimum(a, b) ((a)<(b)?(a):(b))
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+/* Stack overflow check */
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+#define MAX_COMPRESS_DEPTH 1024
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+
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/* Fields common to all headers */
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struct rar_header
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{
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@@ -340,7 +343,7 @@ static int read_symlink_stored(struct archive_read *, struct archive_entry *,
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static int read_data_stored(struct archive_read *, const void **, size_t *,
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int64_t *);
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static int read_data_compressed(struct archive_read *, const void **, size_t *,
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- int64_t *);
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+ int64_t *, size_t);
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static int rar_br_preparation(struct archive_read *, struct rar_br *);
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static int parse_codes(struct archive_read *);
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static void free_codes(struct archive_read *);
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@@ -1026,7 +1029,7 @@ archive_read_format_rar_read_data(struct archive_read *a, const void **buff,
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case COMPRESS_METHOD_NORMAL:
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case COMPRESS_METHOD_GOOD:
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case COMPRESS_METHOD_BEST:
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- ret = read_data_compressed(a, buff, size, offset);
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+ ret = read_data_compressed(a, buff, size, offset, 0);
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if (ret != ARCHIVE_OK && ret != ARCHIVE_WARN) {
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__archive_ppmd7_functions.Ppmd7_Free(&rar->ppmd7_context);
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rar->start_new_table = 1;
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@@ -1883,8 +1886,11 @@ read_data_stored(struct archive_read *a, const void **buff, size_t *size,
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static int
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read_data_compressed(struct archive_read *a, const void **buff, size_t *size,
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- int64_t *offset)
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+ int64_t *offset, size_t looper)
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{
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+ if (looper++ > MAX_COMPRESS_DEPTH)
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+ return (ARCHIVE_FATAL);
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+
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struct rar *rar;
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int64_t start, end, actualend;
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size_t bs;
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@@ -1982,7 +1988,7 @@ read_data_compressed(struct archive_read *a, const void **buff, size_t *size,
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{
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case 0:
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rar->start_new_table = 1;
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- return read_data_compressed(a, buff, size, offset);
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+ return read_data_compressed(a, buff, size, offset, looper);
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case 2:
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rar->ppmd_eod = 1;/* End Of ppmd Data. */
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@ -1,63 +0,0 @@
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From 291d0c218e256750228b731a693e6b96e7ed5449 Mon Sep 17 00:00:00 2001
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From: Martin Matuska <martin@matuska.org>
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Date: Fri, 22 May 2020 13:03:55 +0200
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Subject: [PATCH] test_write_disk_secure: properly check if lchmod() is
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---
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libarchive/test/test_write_disk_secure.c | 34 +++++++++++++++++++++---
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1 file changed, 30 insertions(+), 4 deletions(-)
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diff --git a/libarchive/test/test_write_disk_secure.c b/libarchive/test/test_write_disk_secure.c
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index 7cd66c4..44b9ea0 100644
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--- a/libarchive/test/test_write_disk_secure.c
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+++ b/libarchive/test/test_write_disk_secure.c
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@@ -40,6 +40,10 @@ DEFINE_TEST(test_write_disk_secure)
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struct archive *a;
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struct archive_entry *ae;
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struct stat st;
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+#if defined(HAVE_LCHMOD) && defined(HAVE_SYMLINK) && \
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+ defined(S_IRUSR) && defined(S_IWUSR) && defined(S_IXUSR)
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+ int working_lchmod;
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+#endif
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/* Start with a known umask. */
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assertUmask(UMASK);
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@@ -251,10 +255,32 @@ DEFINE_TEST(test_write_disk_secure)
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assert(0 == lstat("link_to_dir", &st));
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failure("link_to_dir: st.st_mode=%o", st.st_mode);
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assert(S_ISLNK(st.st_mode));
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-#if HAVE_LCHMOD
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- /* Systems that lack lchmod() can't set symlink perms, so skip this. */
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- failure("link_to_dir: st.st_mode=%o", st.st_mode);
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- assert((st.st_mode & 07777) == 0755);
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+#if defined(HAVE_SYMLINK) && defined(HAVE_LCHMOD) && \
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+ defined(S_IRUSR) && defined(S_IWUSR) && defined(S_IXUSR)
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+ /* Verify if we are able to lchmod() */
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+ if (symlink("dir", "testlink_to_dir") == 0) {
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+ if (lchmod("testlink_to_dir",
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+ S_IRUSR | S_IWUSR | S_IXUSR) != 0) {
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+ switch (errno) {
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+ case ENOTSUP:
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+ case ENOSYS:
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+#if ENOTSUP != EOPNOTSUPP
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+ case EOPNOTSUPP:
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+#endif
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+ working_lchmod = 0;
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+ break;
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+ default:
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+ working_lchmod = 1;
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+ }
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+ } else
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+ working_lchmod = 1;
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+ } else
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+ working_lchmod = 0;
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+
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+ if (working_lchmod) {
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+ failure("link_to_dir: st.st_mode=%o", st.st_mode);
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+ assert((st.st_mode & 07777) == 0755);
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+ }
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#endif
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assert(0 == lstat("dir/filea", &st));
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--
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2.24.1
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Binary file not shown.
BIN
libarchive-3.5.1.tar.gz
Normal file
BIN
libarchive-3.5.1.tar.gz
Normal file
Binary file not shown.
@ -1,8 +1,8 @@
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%bcond_with check
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Name: libarchive
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Version: 3.4.3
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Release: 2
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Version: 3.5.1
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Release: 1
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Summary: Multi-format archive and compression library
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License: BSD
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@ -17,8 +17,6 @@ Provides: bsdtar bsdcpio bsdcat
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Obsoletes: bsdtar bsdcpio bsdcat
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Patch6001: libarchive-uninitialized-value.patch
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Patch6002: libarchive-3.4.3-lchmod-support-check.patch
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Patch6003: libarchive-3.4.3-avoid-stack-overflow.patch
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%description
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%{name} is an open-source BSD-licensed C programming library that
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@ -149,6 +147,9 @@ run_testsuite
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%{_mandir}/man5/*
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%changelog
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* Fri Jan 29 2021 zhanzhimin <zhanzhimin@huawei.com> - 3.5.1-1
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- Upgrade to version 3.5.1
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* Fri Aug 21 2020 yanan <yanan@huawei.com> - 3.4.3-2
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- Type:bugfix
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- ID:NA
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