ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/external/subpack/devel/patch/Makefile b/external/subpack/devel/patch/Makefile
new file mode 100644
index 0000000..c842675
--- /dev/null
+++ b/external/subpack/devel/patch/Makefile
@@ -0,0 +1,52 @@
+#
+# Copyright (C) 2008-2015 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=patch
+PKG_VERSION:=2.7.6
+PKG_RELEASE:=7
+
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
+PKG_SOURCE_URL:=@GNU/patch
+PKG_HASH:=ac610bda97abe0d9f6b7c963255a11dcb196c25e337c61f94e4778d632f1d8fd
+
+PKG_LICENSE:=GPL-3.0-or-later
+PKG_LICENSE_FILES:=COPYING
+PKG_CPE_ID:=cpe:/a:gnu:patch
+
+PKG_BUILD_PARALLEL:=1
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/patch
+ SECTION:=devel
+ CATEGORY:=Development
+ TITLE:=patch
+ URL:=https://savannah.gnu.org/projects/patch/
+ MAINTAINER:=Russell Senior <russell@personaltelco.net>
+endef
+
+define Package/patch/description
+ The Patch package contains a program for modifying or creating files
+ by applying a "patch" file typically created by the diff program.
+endef
+
+CONFIGURE_ARGS+= --disable-xattr
+
+define Build/Compile
+ $(MAKE) -C $(PKG_BUILD_DIR) \
+ DESTDIR="$(PKG_INSTALL_DIR)" \
+ all install
+endef
+
+define Package/patch/install
+ $(INSTALL_DIR) $(1)/usr/bin
+ $(CP) $(PKG_INSTALL_DIR)/usr/bin/patch $(1)/usr/bin/
+endef
+
+$(eval $(call BuildPackage,patch))
diff --git a/external/subpack/devel/patch/patches/010-CVE-2018-6951.patch b/external/subpack/devel/patch/patches/010-CVE-2018-6951.patch
new file mode 100644
index 0000000..eb8d513
--- /dev/null
+++ b/external/subpack/devel/patch/patches/010-CVE-2018-6951.patch
@@ -0,0 +1,24 @@
+From 9bf998b5fcbcde1dea0e472dc1538abb97e9012e Mon Sep 17 00:00:00 2001
+From: Andreas Gruenbacher <agruen@gnu.org>
+Date: Mon, 12 Feb 2018 16:48:24 +0100
+Subject: [PATCH] Fix segfault with mangled rename patch
+
+http://savannah.gnu.org/bugs/?53132
+* src/pch.c (intuit_diff_type): Ensure that two filenames are specified
+for renames and copies (fix the existing check).
+---
+ src/pch.c | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+--- a/src/pch.c
++++ b/src/pch.c
+@@ -974,7 +974,8 @@ intuit_diff_type (bool need_header, mode
+ if ((pch_rename () || pch_copy ())
+ && ! inname
+ && ! ((i == OLD || i == NEW) &&
+- p_name[! reverse] &&
++ p_name[reverse] && p_name[! reverse] &&
++ name_is_valid (p_name[reverse]) &&
+ name_is_valid (p_name[! reverse])))
+ {
+ say ("Cannot %s file without two valid file names\n", pch_rename () ? "rename" : "copy");
diff --git a/external/subpack/devel/patch/patches/020-CVE-2018-1000156.patch b/external/subpack/devel/patch/patches/020-CVE-2018-1000156.patch
new file mode 100644
index 0000000..e3c9f23
--- /dev/null
+++ b/external/subpack/devel/patch/patches/020-CVE-2018-1000156.patch
@@ -0,0 +1,189 @@
+From b56779aed483f0036a32a65e62ab7b5e461b07cc Mon Sep 17 00:00:00 2001
+From: Andreas Gruenbacher <agruen@gnu.org>
+Date: Fri, 6 Apr 2018 12:14:49 +0200
+Subject: [PATCH] Fix arbitrary command execution in ed-style patches
+ (CVE-2018-1000156)
+
+* src/pch.c (do_ed_script): Write ed script to a temporary file instead
+of piping it to ed: this will cause ed to abort on invalid commands
+instead of rejecting them and carrying on.
+* tests/ed-style: New test case.
+* tests/Makefile.am (TESTS): Add test case. (OPENWRT REMOVED)
+---
+ src/pch.c | 89 +++++++++++++++++++++++++++++++++++------------
+ tests/Makefile.am | 1 + (OPENWRT REMOVED)
+ tests/ed-style | 41 ++++++++++++++++++++++
+ 3 files changed, 108 insertions(+), 23 deletions(-)
+ create mode 100644 tests/ed-style
+
+--- a/src/pch.c
++++ b/src/pch.c
+@@ -33,6 +33,7 @@
+ # include <io.h>
+ #endif
+ #include <safe.h>
++#include <sys/wait.h>
+
+ #define INITHUNKMAX 125 /* initial dynamic allocation size */
+
+@@ -2389,22 +2390,28 @@ do_ed_script (char const *inname, char c
+ static char const editor_program[] = EDITOR_PROGRAM;
+
+ file_offset beginning_of_this_line;
+- FILE *pipefp = 0;
+ size_t chars_read;
++ FILE *tmpfp = 0;
++ char const *tmpname;
++ int tmpfd;
++ pid_t pid;
++
++ if (! dry_run && ! skip_rest_of_patch)
++ {
++ /* Write ed script to a temporary file. This causes ed to abort on
++ invalid commands such as when line numbers or ranges exceed the
++ number of available lines. When ed reads from a pipe, it rejects
++ invalid commands and treats the next line as a new command, which
++ can lead to arbitrary command execution. */
++
++ tmpfd = make_tempfile (&tmpname, 'e', NULL, O_RDWR | O_BINARY, 0);
++ if (tmpfd == -1)
++ pfatal ("Can't create temporary file %s", quotearg (tmpname));
++ tmpfp = fdopen (tmpfd, "w+b");
++ if (! tmpfp)
++ pfatal ("Can't open stream for file %s", quotearg (tmpname));
++ }
+
+- if (! dry_run && ! skip_rest_of_patch) {
+- int exclusive = *outname_needs_removal ? 0 : O_EXCL;
+- assert (! inerrno);
+- *outname_needs_removal = true;
+- copy_file (inname, outname, 0, exclusive, instat.st_mode, true);
+- sprintf (buf, "%s %s%s", editor_program,
+- verbosity == VERBOSE ? "" : "- ",
+- outname);
+- fflush (stdout);
+- pipefp = popen(buf, binary_transput ? "wb" : "w");
+- if (!pipefp)
+- pfatal ("Can't open pipe to %s", quotearg (buf));
+- }
+ for (;;) {
+ char ed_command_letter;
+ beginning_of_this_line = file_tell (pfp);
+@@ -2415,14 +2422,14 @@ do_ed_script (char const *inname, char c
+ }
+ ed_command_letter = get_ed_command_letter (buf);
+ if (ed_command_letter) {
+- if (pipefp)
+- if (! fwrite (buf, sizeof *buf, chars_read, pipefp))
++ if (tmpfp)
++ if (! fwrite (buf, sizeof *buf, chars_read, tmpfp))
+ write_fatal ();
+ if (ed_command_letter != 'd' && ed_command_letter != 's') {
+ p_pass_comments_through = true;
+ while ((chars_read = get_line ()) != 0) {
+- if (pipefp)
+- if (! fwrite (buf, sizeof *buf, chars_read, pipefp))
++ if (tmpfp)
++ if (! fwrite (buf, sizeof *buf, chars_read, tmpfp))
+ write_fatal ();
+ if (chars_read == 2 && strEQ (buf, ".\n"))
+ break;
+@@ -2435,13 +2442,49 @@ do_ed_script (char const *inname, char c
+ break;
+ }
+ }
+- if (!pipefp)
++ if (!tmpfp)
+ return;
+- if (fwrite ("w\nq\n", sizeof (char), (size_t) 4, pipefp) == 0
+- || fflush (pipefp) != 0)
++ if (fwrite ("w\nq\n", sizeof (char), (size_t) 4, tmpfp) == 0
++ || fflush (tmpfp) != 0)
+ write_fatal ();
+- if (pclose (pipefp) != 0)
+- fatal ("%s FAILED", editor_program);
++
++ if (lseek (tmpfd, 0, SEEK_SET) == -1)
++ pfatal ("Can't rewind to the beginning of file %s", quotearg (tmpname));
++
++ if (! dry_run && ! skip_rest_of_patch) {
++ int exclusive = *outname_needs_removal ? 0 : O_EXCL;
++ *outname_needs_removal = true;
++ if (inerrno != ENOENT)
++ {
++ *outname_needs_removal = true;
++ copy_file (inname, outname, 0, exclusive, instat.st_mode, true);
++ }
++ sprintf (buf, "%s %s%s", editor_program,
++ verbosity == VERBOSE ? "" : "- ",
++ outname);
++ fflush (stdout);
++
++ pid = fork();
++ if (pid == -1)
++ pfatal ("Can't fork");
++ else if (pid == 0)
++ {
++ dup2 (tmpfd, 0);
++ execl ("/bin/sh", "sh", "-c", buf, (char *) 0);
++ _exit (2);
++ }
++ else
++ {
++ int wstatus;
++ if (waitpid (pid, &wstatus, 0) == -1
++ || ! WIFEXITED (wstatus)
++ || WEXITSTATUS (wstatus) != 0)
++ fatal ("%s FAILED", editor_program);
++ }
++ }
++
++ fclose (tmpfp);
++ safe_unlink (tmpname);
+
+ if (ofp)
+ {
+--- /dev/null
++++ b/tests/ed-style
+@@ -0,0 +1,41 @@
++# Copyright (C) 2018 Free Software Foundation, Inc.
++#
++# Copying and distribution of this file, with or without modification,
++# in any medium, are permitted without royalty provided the copyright
++# notice and this notice are preserved.
++
++. $srcdir/test-lib.sh
++
++require cat
++use_local_patch
++use_tmpdir
++
++# ==============================================================
++
++cat > ed1.diff <<EOF
++0a
++foo
++.
++EOF
++
++check 'patch -e foo -i ed1.diff' <<EOF
++EOF
++
++check 'cat foo' <<EOF
++foo
++EOF
++
++cat > ed2.diff <<EOF
++1337a
++r !echo bar
++,p
++EOF
++
++check 'patch -e foo -i ed2.diff 2> /dev/null || echo "Status: $?"' <<EOF
++?
++Status: 2
++EOF
++
++check 'cat foo' <<EOF
++foo
++EOF
diff --git a/external/subpack/devel/patch/patches/030-CVE-2018-6952.patch b/external/subpack/devel/patch/patches/030-CVE-2018-6952.patch
new file mode 100644
index 0000000..29787aa
--- /dev/null
+++ b/external/subpack/devel/patch/patches/030-CVE-2018-6952.patch
@@ -0,0 +1,25 @@
+From 71607715f11c9875a5aaaf3240885c45f79138e9 Mon Sep 17 00:00:00 2001
+From: Andreas Gruenbacher <agruen@gnu.org>
+Date: Fri, 17 Aug 2018 13:35:40 +0200
+Subject: [PATCH] Fix swapping fake lines in pch_swap
+
+* src/pch.c (pch_swap): Fix swapping p_bfake and p_efake when there is a
+blank line in the middle of a context-diff hunk: that empty line stays
+in the middle of the hunk and isn't swapped.
+
+Fixes: https://savannah.gnu.org/bugs/index.php?53133
+---
+ src/pch.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+--- a/src/pch.c
++++ b/src/pch.c
+@@ -2115,7 +2115,7 @@ pch_swap (void)
+ }
+ if (p_efake >= 0) { /* fix non-freeable ptr range */
+ if (p_efake <= i)
+- n = p_end - i + 1;
++ n = p_end - p_ptrn_lines;
+ else
+ n = -i;
+ p_efake += n;
diff --git a/external/subpack/devel/patch/patches/050-CVE-2019-13636.patch b/external/subpack/devel/patch/patches/050-CVE-2019-13636.patch
new file mode 100644
index 0000000..d819838
--- /dev/null
+++ b/external/subpack/devel/patch/patches/050-CVE-2019-13636.patch
@@ -0,0 +1,101 @@
+From dce4683cbbe107a95f1f0d45fabc304acfb5d71a Mon Sep 17 00:00:00 2001
+From: Andreas Gruenbacher <agruen@gnu.org>
+Date: Mon, 15 Jul 2019 16:21:48 +0200
+Subject: Don't follow symlinks unless --follow-symlinks is given
+
+* src/inp.c (plan_a, plan_b), src/util.c (copy_to_fd, copy_file,
+append_to_file): Unless the --follow-symlinks option is given, open files with
+the O_NOFOLLOW flag to avoid following symlinks. So far, we were only doing
+that consistently for input files.
+* src/util.c (create_backup): When creating empty backup files, (re)create them
+with O_CREAT | O_EXCL to avoid following symlinks in that case as well.
+---
+ src/inp.c | 12 ++++++++++--
+ src/util.c | 14 +++++++++++---
+ 2 files changed, 21 insertions(+), 5 deletions(-)
+
+--- a/src/inp.c
++++ b/src/inp.c
+@@ -238,8 +238,13 @@ plan_a (char const *filename)
+ {
+ if (S_ISREG (instat.st_mode))
+ {
+- int ifd = safe_open (filename, O_RDONLY|binary_transput, 0);
++ int flags = O_RDONLY | binary_transput;
+ size_t buffered = 0, n;
++ int ifd;
++
++ if (! follow_symlinks)
++ flags |= O_NOFOLLOW;
++ ifd = safe_open (filename, flags, 0);
+ if (ifd < 0)
+ pfatal ("can't open file %s", quotearg (filename));
+
+@@ -340,6 +345,7 @@ plan_a (char const *filename)
+ static void
+ plan_b (char const *filename)
+ {
++ int flags = O_RDONLY | binary_transput;
+ int ifd;
+ FILE *ifp;
+ int c;
+@@ -353,7 +359,9 @@ plan_b (char const *filename)
+
+ if (instat.st_size == 0)
+ filename = NULL_DEVICE;
+- if ((ifd = safe_open (filename, O_RDONLY | binary_transput, 0)) < 0
++ if (! follow_symlinks)
++ flags |= O_NOFOLLOW;
++ if ((ifd = safe_open (filename, flags, 0)) < 0
+ || ! (ifp = fdopen (ifd, binary_transput ? "rb" : "r")))
+ pfatal ("Can't open file %s", quotearg (filename));
+ if (TMPINNAME_needs_removal)
+--- a/src/util.c
++++ b/src/util.c
+@@ -388,7 +388,7 @@ create_backup (char const *to, const str
+
+ try_makedirs_errno = ENOENT;
+ safe_unlink (bakname);
+- while ((fd = safe_open (bakname, O_CREAT | O_WRONLY | O_TRUNC, 0666)) < 0)
++ while ((fd = safe_open (bakname, O_CREAT | O_EXCL | O_WRONLY | O_TRUNC, 0666)) < 0)
+ {
+ if (errno != try_makedirs_errno)
+ pfatal ("Can't create file %s", quotearg (bakname));
+@@ -579,10 +579,13 @@ create_file (char const *file, int open_
+ static void
+ copy_to_fd (const char *from, int tofd)
+ {
++ int from_flags = O_RDONLY | O_BINARY;
+ int fromfd;
+ ssize_t i;
+
+- if ((fromfd = safe_open (from, O_RDONLY | O_BINARY, 0)) < 0)
++ if (! follow_symlinks)
++ from_flags |= O_NOFOLLOW;
++ if ((fromfd = safe_open (from, from_flags, 0)) < 0)
+ pfatal ("Can't reopen file %s", quotearg (from));
+ while ((i = read (fromfd, buf, bufsize)) != 0)
+ {
+@@ -625,6 +628,8 @@ copy_file (char const *from, char const
+ else
+ {
+ assert (S_ISREG (mode));
++ if (! follow_symlinks)
++ to_flags |= O_NOFOLLOW;
+ tofd = create_file (to, O_WRONLY | O_BINARY | to_flags, mode,
+ to_dir_known_to_exist);
+ copy_to_fd (from, tofd);
+@@ -640,9 +645,12 @@ copy_file (char const *from, char const
+ void
+ append_to_file (char const *from, char const *to)
+ {
++ int to_flags = O_WRONLY | O_APPEND | O_BINARY;
+ int tofd;
+
+- if ((tofd = safe_open (to, O_WRONLY | O_BINARY | O_APPEND, 0)) < 0)
++ if (! follow_symlinks)
++ to_flags |= O_NOFOLLOW;
++ if ((tofd = safe_open (to, to_flags, 0)) < 0)
+ pfatal ("Can't reopen file %s", quotearg (to));
+ copy_to_fd (from, tofd);
+ if (close (tofd) != 0)
diff --git a/external/subpack/devel/patch/patches/060-CVE-2018-20969-CVE-2019-13638.patch b/external/subpack/devel/patch/patches/060-CVE-2018-20969-CVE-2019-13638.patch
new file mode 100644
index 0000000..590cf18
--- /dev/null
+++ b/external/subpack/devel/patch/patches/060-CVE-2018-20969-CVE-2019-13638.patch
@@ -0,0 +1,33 @@
+From 3fcd042d26d70856e826a42b5f93dc4854d80bf0 Mon Sep 17 00:00:00 2001
+From: Andreas Gruenbacher <agruen@gnu.org>
+Date: Fri, 6 Apr 2018 19:36:15 +0200
+Subject: Invoke ed directly instead of using the shell
+
+* src/pch.c (do_ed_script): Invoke ed directly instead of using a shell
+command to avoid quoting vulnerabilities.
+---
+ src/pch.c | 6 ++----
+ 1 file changed, 2 insertions(+), 4 deletions(-)
+
+--- a/src/pch.c
++++ b/src/pch.c
+@@ -2459,9 +2459,6 @@ do_ed_script (char const *inname, char c
+ *outname_needs_removal = true;
+ copy_file (inname, outname, 0, exclusive, instat.st_mode, true);
+ }
+- sprintf (buf, "%s %s%s", editor_program,
+- verbosity == VERBOSE ? "" : "- ",
+- outname);
+ fflush (stdout);
+
+ pid = fork();
+@@ -2470,7 +2467,8 @@ do_ed_script (char const *inname, char c
+ else if (pid == 0)
+ {
+ dup2 (tmpfd, 0);
+- execl ("/bin/sh", "sh", "-c", buf, (char *) 0);
++ assert (outname[0] != '!' && outname[0] != '-');
++ execlp (editor_program, editor_program, "-", outname, (char *) NULL);
+ _exit (2);
+ }
+ else