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CVS commit: pkgsrc/devel/patch



Module Name:    pkgsrc
Committed By:   leot
Date:           Thu Oct 18 19:26:16 UTC 2018

Modified Files:
        pkgsrc/devel/patch: Makefile distinfo
Added Files:
        pkgsrc/devel/patch/patches: patch-src_pch.c patch-tests_Makefile.in
            patch-tests_ed-style

Log Message:
patch: Backport patches for several security fixes

pkgsrc changes:
 - Remove custom and no longer needed do-patch target, it was fixed upstream
 - Minor cosmetic improvements pointed out by pkglint

Changes:
 - Backport patches for CVE-2018-6951, CVE-2018-6952 and CVE-2018-1000156

Patch provided by Attila Fülöp via NetBSD/pkgsrc#33, thanks!

Bump PKGREVISION


To generate a diff of this commit:
cvs rdiff -u -r1.44 -r1.45 pkgsrc/devel/patch/Makefile
cvs rdiff -u -r1.12 -r1.13 pkgsrc/devel/patch/distinfo
cvs rdiff -u -r0 -r1.1 pkgsrc/devel/patch/patches/patch-src_pch.c \
    pkgsrc/devel/patch/patches/patch-tests_Makefile.in \
    pkgsrc/devel/patch/patches/patch-tests_ed-style

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: pkgsrc/devel/patch/Makefile
diff -u pkgsrc/devel/patch/Makefile:1.44 pkgsrc/devel/patch/Makefile:1.45
--- pkgsrc/devel/patch/Makefile:1.44    Sat Mar  3 01:31:35 2018
+++ pkgsrc/devel/patch/Makefile Thu Oct 18 19:26:16 2018
@@ -1,8 +1,9 @@
-# $NetBSD: Makefile,v 1.44 2018/03/03 01:31:35 mef Exp $
+# $NetBSD: Makefile,v 1.45 2018/10/18 19:26:16 leot Exp $
 
 DISTNAME=      patch-2.7.6
+PKGREVISION=   1
 CATEGORIES=    devel
-MASTER_SITES=   ${MASTER_SITE_GNU:=patch/}
+MASTER_SITES=  ${MASTER_SITE_GNU:=patch/}
 EXTRACT_SUFX=  .tar.xz
 
 MAINTAINER=    pkgsrc-users%NetBSD.org@localhost
@@ -20,14 +21,7 @@ CONFIGURE_ENV+=              ac_cv_func_setmode_dos=
 
 INSTALLATION_DIRS=     ${PKGGNUDIR}bin ${PKGGNUDIR}${PKGMANDIR}/man1
 
-do-patch:
-.for stdhdr in sys/param.h sys/stat.h string.h
-       ${ECHO} "#ifdef HAVE_${stdhdr:tu:C,[/.],_,g}" >> ${WRKSRC}/config.hin
-       ${ECHO} "#include <${stdhdr}>" >> ${WRKSRC}/config.hin
-       ${ECHO} "#endif" >> ${WRKSRC}/config.hin
-.endfor
-
-SYMLINKS       = bin/gpatch ${PKGGNUDIR}bin/patch \
+SYMLINKS=      bin/gpatch ${PKGGNUDIR}bin/patch \
                man/man1/gpatch.1 ${PKGGNUDIR}${PKGMANDIR}/man1/patch.1
 post-install:
 .for o n in ${SYMLINKS}

Index: pkgsrc/devel/patch/distinfo
diff -u pkgsrc/devel/patch/distinfo:1.12 pkgsrc/devel/patch/distinfo:1.13
--- pkgsrc/devel/patch/distinfo:1.12    Sat Mar  3 01:31:35 2018
+++ pkgsrc/devel/patch/distinfo Thu Oct 18 19:26:16 2018
@@ -1,6 +1,9 @@
-$NetBSD: distinfo,v 1.12 2018/03/03 01:31:35 mef Exp $
+$NetBSD: distinfo,v 1.13 2018/10/18 19:26:16 leot Exp $
 
 SHA1 (patch-2.7.6.tar.xz) = 6f64fa75993bdb285ac4ed6eca6c9212725bff91
 RMD160 (patch-2.7.6.tar.xz) = 439753620b4d27d606110093d0e586719b8451c3
 SHA512 (patch-2.7.6.tar.xz) = fcca87bdb67a88685a8a25597f9e015f5e60197b9a269fa350ae35a7991ed8da553939b4bbc7f7d3cfd863c67142af403b04165633acbce4339056a905e87fbd
 Size (patch-2.7.6.tar.xz) = 783756 bytes
+SHA1 (patch-src_pch.c) = 0aed6cd0d64c380767c39908c388c91ddf3003d1
+SHA1 (patch-tests_Makefile.in) = f7fd200672b65f466a982084d2b907d32a8f0a77
+SHA1 (patch-tests_ed-style) = 7d7c2d04eddaab1d07c05022908a98ef9c984e08

Added files:

Index: pkgsrc/devel/patch/patches/patch-src_pch.c
diff -u /dev/null pkgsrc/devel/patch/patches/patch-src_pch.c:1.1
--- /dev/null   Thu Oct 18 19:26:16 2018
+++ pkgsrc/devel/patch/patches/patch-src_pch.c  Thu Oct 18 19:26:16 2018
@@ -0,0 +1,155 @@
+$NetBSD: patch-src_pch.c,v 1.1 2018/10/18 19:26:16 leot Exp $
+
+ - fixes: CVE-2018-6951 CVE-2018-6952 CVE-2018-1000156
+
+ - bugs: 53132 53133 53566
+   https://savannah.gnu.org/bugs/index.php?
+
+ - commit ids: f290f48a62 9c986353e4 123eaff0d5
+   https://git.savannah.gnu.org/cgit/patch.git/diff/?id=
+
+--- src/pch.c.orig     2018-10-09 17:01:21.566749708 +0000
++++ 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 */
+ 
+@@ -974,7 +975,8 @@ 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");
+@@ -2113,7 +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;
+@@ -2388,22 +2390,27 @@ 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) {
+-      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));
+-    }
++    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));
++      }
+     for (;;) {
+       char ed_command_letter;
+       beginning_of_this_line = file_tell (pfp);
+@@ -2414,14 +2421,14 @@ 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;
+@@ -2434,13 +2441,49 @@ 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)
+       {
Index: pkgsrc/devel/patch/patches/patch-tests_Makefile.in
diff -u /dev/null pkgsrc/devel/patch/patches/patch-tests_Makefile.in:1.1
--- /dev/null   Thu Oct 18 19:26:16 2018
+++ pkgsrc/devel/patch/patches/patch-tests_Makefile.in  Thu Oct 18 19:26:16 2018
@@ -0,0 +1,14 @@
+$NetBSD: patch-tests_Makefile.in,v 1.1 2018/10/18 19:26:16 leot Exp $
+
+ - Add ed-style test, related to CVE-2018-1000156 fix.
+
+--- tests/Makefile.in.orig     2018-02-03 13:33:56.000000000 +0000
++++ tests/Makefile.in
+@@ -1308,6 +1308,7 @@ TESTS = \
+       crlf-handling \
+       dash-o-append \
+       deep-directories \
++      ed-style \
+       empty-files \
+       false-match \
+       fifo \
Index: pkgsrc/devel/patch/patches/patch-tests_ed-style
diff -u /dev/null pkgsrc/devel/patch/patches/patch-tests_ed-style:1.1
--- /dev/null   Thu Oct 18 19:26:16 2018
+++ pkgsrc/devel/patch/patches/patch-tests_ed-style     Thu Oct 18 19:26:16 2018
@@ -0,0 +1,48 @@
+$NetBSD: patch-tests_ed-style,v 1.1 2018/10/18 19:26:16 leot Exp $
+
+ - Add ed-style test, related to CVE-2018-1000156 fix.
+
+--- tests/ed-style.orig        2018-10-09 17:51:47.148455875 +0000
++++ 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



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