screen: update to 4.9.0.

This commit is contained in:
Frank Steinborn 2022-02-11 16:45:47 +01:00 committed by Érico Nogueira Rolim
parent 781a46924e
commit 8c888713a3
4 changed files with 8 additions and 124 deletions

View file

@ -1,64 +0,0 @@
Description: [CVE-2021-26937] Fix out of bounds array access
Author: Michael Schröder <mls@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 */

View file

@ -1,18 +0,0 @@
--- a/configure 2014-08-12 23:28:34.867815037 +0200
+++ b/configure 2014-08-12 23:31:35.647817252 +0200
@@ -305,6 +305,7 @@
# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
as_fn_exit ()
{
+ return 0
set +e
as_fn_set_status $1
exit $1
@@ -6985,7 +6986,6 @@
fi
if test ! -f "$as_myself"; then
$as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
- exit 1
fi
# Unset variables that we do not need and which cause bugs (e.g. in

View file

@ -1,39 +0,0 @@
Author: Michael Schröder <mls@suse.de>
Reviewed-By: Axel Beckert <abe@debian.org>
Description: screen outputs screen "ÿ" after a connected character.
This is a character without the need.
This happens in UTF-8 environment.
Before : screen$ ruby1.9.1 -e 'puts "\u304b\u3099.."'
がÿ...
patch applied : screen $ ruby1.9.1 -e 'puts "\u304b\u3099.."'
が..
Origin: https://lists.gnu.org/archive/html/screen-devel/2021-02/msg00012.html
Bugs-Debian: https://bugs.debian.org/600246
Bugs-Debian: https://bugs.debian.org/677512
diff --git a/ansi.c b/ansi.c
index 2a52edd..83b266d 100644
--- a/ansi.c
+++ b/ansi.c
@@ -692,10 +692,6 @@ register int len;
}
curr->w_rend.font = 0;
}
-# ifdef DW_CHARS
- if (curr->w_encoding == UTF8 && utf8_isdouble(c))
- curr->w_mbcs = 0xff;
-# endif
if (curr->w_encoding == UTF8 && c >= 0x0300 && utf8_iscomb(c))
{
int ox, oy;
@@ -730,6 +726,10 @@ register int len;
}
break;
}
+# ifdef DW_CHARS
+ if (curr->w_encoding == UTF8 && utf8_isdouble(c))
+ curr->w_mbcs = 0xff;
+# endif
font = curr->w_rend.font;
# endif
# ifdef DW_CHARS

View file

@ -1,11 +1,12 @@
# Template file for 'screen'
pkgname=screen
version=4.8.0
revision=5
version=4.9.0
revision=1
build_style=gnu-configure
configure_args="--with-sys-screenrc=/etc/screenrc --enable-pam
--enable-colors256 --enable-rxvt_osc --enable-telnet
--enable-use-locale --with-socket-dir=/run/screens --with-pty-group=5"
hostmakedepends="automake"
makedepends="pam-devel ncurses-devel"
conf_files="/etc/screenrc /etc/skel/.screenrc"
short_desc="GNU screen manager with VT100/ANSI terminal emulation"
@ -13,10 +14,14 @@ maintainer="Frank Steinborn <steinex@nognu.de>"
license="GPL-3.0-or-later"
homepage="http://www.gnu.org/s/screen/"
distfiles="${GNU_SITE}/$pkgname/$pkgname-$version.tar.gz"
checksum=6e11b13d8489925fde25dfb0935bf6ed71f9eb47eff233a181e078fde5655aa1
checksum=f9335281bb4d1538ed078df78a20c2f39d3af9a4e91c57d084271e0289c730f4
build_options="multiuser"
pre_configure() {
./autogen.sh
}
post_install() {
vinstall etc/etcscreenrc 0644 etc screenrc
vinstall etc/screenrc 0644 etc/skel .screenrc