[arch-commits] Commit in screen/repos/extra-x86_64 (7 files)

Evangelos Foutras foutrelis at archlinux.org
Thu Mar 4 17:01:53 UTC 2021


    Date: Thursday, March 4, 2021 @ 17:01:52
  Author: foutrelis
Revision: 409382

archrelease: copy trunk to extra-x86_64

Added:
  screen/repos/extra-x86_64/CVE-2021-26937.patch
    (from rev 409381, screen/trunk/CVE-2021-26937.patch)
  screen/repos/extra-x86_64/PKGBUILD
    (from rev 409381, screen/trunk/PKGBUILD)
  screen/repos/extra-x86_64/pam.d
    (from rev 409381, screen/trunk/pam.d)
  screen/repos/extra-x86_64/tmpfiles.d
    (from rev 409381, screen/trunk/tmpfiles.d)
Deleted:
  screen/repos/extra-x86_64/PKGBUILD
  screen/repos/extra-x86_64/pam.d
  screen/repos/extra-x86_64/tmpfiles.d

----------------------+
 CVE-2021-26937.patch |   64 ++++++++++++++++++++++++++
 PKGBUILD             |  117 +++++++++++++++++++++++++------------------------
 pam.d                |    2 
 tmpfiles.d           |    2 
 4 files changed, 128 insertions(+), 57 deletions(-)

Copied: screen/repos/extra-x86_64/CVE-2021-26937.patch (from rev 409381, screen/trunk/CVE-2021-26937.patch)
===================================================================
--- CVE-2021-26937.patch	                        (rev 0)
+++ CVE-2021-26937.patch	2021-03-04 17:01:52 UTC (rev 409382)
@@ -0,0 +1,64 @@
+Description: [CVE-2021-26937] Fix out of bounds array access
+Author: Michael Schröder <mls at suse.de>
+Bug-Debian: https://bugs.debian.org/982435
+Bug: https://savannah.gnu.org/bugs/?60030
+Bug: https://lists.gnu.org/archive/html/screen-devel/2021-02/msg00000.html
+Bug-OSS-Security: https://www.openwall.com/lists/oss-security/2021/02/09/3
+Origin: https://lists.gnu.org/archive/html/screen-devel/2021-02/msg00010.html
+
+--- a/encoding.c
++++ b/encoding.c
+@@ -43,7 +43,7 @@
+ # ifdef UTF8
+ static int   recode_char __P((int, int, int));
+ static int   recode_char_to_encoding __P((int, int));
+-static void  comb_tofront __P((int, int));
++static void  comb_tofront __P((int));
+ #  ifdef DW_CHARS
+ static int   recode_char_dw __P((int, int *, int, int));
+ static int   recode_char_dw_to_encoding __P((int, int *, int));
+@@ -1263,6 +1263,8 @@
+     {0x30000, 0x3FFFD},
+   };
+ 
++  if (c >= 0xdf00 && c <= 0xdfff)
++    return 1;          /* dw combining sequence */
+   return ((bisearch(c, wide, sizeof(wide) / sizeof(struct interval) - 1)) ||
+           (cjkwidth &&
+            bisearch(c, ambiguous,
+@@ -1330,11 +1332,12 @@
+ }
+ 
+ static void
+-comb_tofront(root, i)
+-int root, i;
++comb_tofront(i)
++int i;
+ {
+   for (;;)
+     {
++      int root = i >= 0x700 ? 0x801 : 0x800;
+       debug1("bring to front: %x\n", i);
+       combchars[combchars[i]->prev]->next = combchars[i]->next;
+       combchars[combchars[i]->next]->prev = combchars[i]->prev;
+@@ -1396,9 +1399,9 @@
+     {
+       /* full, recycle old entry */
+       if (c1 >= 0xd800 && c1 < 0xe000)
+-        comb_tofront(root, c1 - 0xd800);
++        comb_tofront(c1 - 0xd800);
+       i = combchars[root]->prev;
+-      if (c1 == i + 0xd800)
++      if (i == 0x800 || i == 0x801 || c1 == i + 0xd800)
+ 	{
+ 	  /* completely full, can't recycle */
+ 	  debug("utf8_handle_comp: completely full!\n");
+@@ -1422,7 +1425,7 @@
+   mc->font  = (i >> 8) + 0xd8;
+   mc->fontx = 0;
+   debug3("combinig char %x %x -> %x\n", c1, c, i + 0xd800);
+-  comb_tofront(root, i);
++  comb_tofront(i);
+ }
+ 
+ #else /* !UTF8 */

Deleted: PKGBUILD
===================================================================
--- PKGBUILD	2021-03-04 17:01:45 UTC (rev 409381)
+++ PKGBUILD	2021-03-04 17:01:52 UTC (rev 409382)
@@ -1,55 +0,0 @@
-# Maintainer: Gaetan Bisson <bisson at archlinux.org>
-# Contributor: Allan McRae <allan at archlinux.org>
-# Committer: dorphell <dorphell at gmx.net>
-
-pkgname=screen
-pkgver=4.8.0
-pkgrel=2
-pkgdesc='Full-screen window manager that multiplexes a physical terminal'
-url='https://www.gnu.org/software/screen/'
-arch=('x86_64')
-license=('GPL')
-depends=('ncurses' 'pam')
-validpgpkeys=('2EE59A5D0C50167B5535BBF1B708A383C53EF3A4'
-              '71AA09D9E8870FDB0AA7B61E21F968DEF747ABD7')
-source=("https://ftp.gnu.org/gnu/screen/screen-${pkgver}.tar.gz"{,.sig}
-        'tmpfiles.d'
-        'pam.d')
-sha256sums=('6e11b13d8489925fde25dfb0935bf6ed71f9eb47eff233a181e078fde5655aa1'
-            'SKIP'
-            '1f33ce4faca7bd05dd80403411af31e682d5d23e79558e884ae5a35f1dd96223'
-            '971c25929ea97422c09e10679ab98e9e6c59295aae1a4a9970909d2206e23090')
-
-backup=('etc/screenrc' 'etc/pam.d/screen')
-options=('!makeflags')
-
-_ptygroup=5 #the UID of our PTY/TTY group
-
-build() {
-	cd "${srcdir}/${pkgname}-${pkgver}"
-
-	./configure \
-		--prefix=/usr \
-		--mandir=/usr/share/man \
-		--infodir=/usr/share/info \
-		--enable-colors256 \
-		--enable-pam \
-		--enable-rxvt_osc \
-		--enable-telnet \
-		--with-pty-group=$_ptygroup \
-		--with-socket-dir=/run/screens \
-		--with-sys-screenrc=/etc/screenrc \
-
-	make
-}
-
-package() {
-	cd "${srcdir}/${pkgname}-${pkgver}"
-	make DESTDIR="${pkgdir}" install
-
-	install -Dm644 ../pam.d "${pkgdir}"/etc/pam.d/screen
-	install -Dm644 ../tmpfiles.d "${pkgdir}"/usr/lib/tmpfiles.d/screen.conf
-
-	install -Dm644 etc/etcscreenrc "${pkgdir}"/etc/screenrc
-	install -Dm644 etc/screenrc "${pkgdir}"/etc/skel/.screenrc
-}

Copied: screen/repos/extra-x86_64/PKGBUILD (from rev 409381, screen/trunk/PKGBUILD)
===================================================================
--- PKGBUILD	                        (rev 0)
+++ PKGBUILD	2021-03-04 17:01:52 UTC (rev 409382)
@@ -0,0 +1,62 @@
+# Maintainer: Gaetan Bisson <bisson at archlinux.org>
+# Contributor: Allan McRae <allan at archlinux.org>
+# Committer: dorphell <dorphell at gmx.net>
+
+pkgname=screen
+pkgver=4.8.0
+pkgrel=3
+pkgdesc='Full-screen window manager that multiplexes a physical terminal'
+url='https://www.gnu.org/software/screen/'
+arch=('x86_64')
+license=('GPL')
+depends=('ncurses' 'pam')
+validpgpkeys=('2EE59A5D0C50167B5535BBF1B708A383C53EF3A4'
+              '71AA09D9E8870FDB0AA7B61E21F968DEF747ABD7')
+source=("https://ftp.gnu.org/gnu/screen/screen-${pkgver}.tar.gz"{,.sig}
+        'CVE-2021-26937.patch'
+        'tmpfiles.d'
+        'pam.d')
+sha256sums=('6e11b13d8489925fde25dfb0935bf6ed71f9eb47eff233a181e078fde5655aa1'
+            'SKIP'
+            '4ccc4d28da0f994aad165eb06119ecad7112cbb1401d73789af1b6c53e4819f5'
+            '1f33ce4faca7bd05dd80403411af31e682d5d23e79558e884ae5a35f1dd96223'
+            '971c25929ea97422c09e10679ab98e9e6c59295aae1a4a9970909d2206e23090')
+
+backup=('etc/screenrc' 'etc/pam.d/screen')
+options=('!makeflags')
+
+_ptygroup=5 #the UID of our PTY/TTY group
+
+prepare() {
+	cd "${srcdir}/${pkgname}-${pkgver}"
+	patch -Np1 -i ../CVE-2021-26937.patch
+}
+
+build() {
+	cd "${srcdir}/${pkgname}-${pkgver}"
+
+	./configure \
+		--prefix=/usr \
+		--mandir=/usr/share/man \
+		--infodir=/usr/share/info \
+		--enable-colors256 \
+		--enable-pam \
+		--enable-rxvt_osc \
+		--enable-telnet \
+		--with-pty-group=$_ptygroup \
+		--with-socket-dir=/run/screens \
+		--with-sys-screenrc=/etc/screenrc \
+
+	make
+}
+
+package() {
+	cd "${srcdir}/${pkgname}-${pkgver}"
+	make DESTDIR="${pkgdir}" install
+
+	install -Dm644 ../pam.d "${pkgdir}"/etc/pam.d/screen
+	install -Dm644 ../tmpfiles.d "${pkgdir}"/usr/lib/tmpfiles.d/screen.conf
+
+	install -Dm644 etc/etcscreenrc "${pkgdir}"/etc/screenrc
+	install -Dm644 etc/screenrc "${pkgdir}"/etc/skel/.screenrc
+}

Deleted: pam.d
===================================================================
--- pam.d	2021-03-04 17:01:45 UTC (rev 409381)
+++ pam.d	2021-03-04 17:01:52 UTC (rev 409382)
@@ -1 +0,0 @@
-auth		required	pam_unix.so

Copied: screen/repos/extra-x86_64/pam.d (from rev 409381, screen/trunk/pam.d)
===================================================================
--- pam.d	                        (rev 0)
+++ pam.d	2021-03-04 17:01:52 UTC (rev 409382)
@@ -0,0 +1 @@
+auth		required	pam_unix.so

Deleted: tmpfiles.d
===================================================================
--- tmpfiles.d	2021-03-04 17:01:45 UTC (rev 409381)
+++ tmpfiles.d	2021-03-04 17:01:52 UTC (rev 409382)
@@ -1 +0,0 @@
-d /run/screens 0755 root root -

Copied: screen/repos/extra-x86_64/tmpfiles.d (from rev 409381, screen/trunk/tmpfiles.d)
===================================================================
--- tmpfiles.d	                        (rev 0)
+++ tmpfiles.d	2021-03-04 17:01:52 UTC (rev 409382)
@@ -0,0 +1 @@
+d /run/screens 0755 root root -



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