screen: upgrade 4.8.0 -> 4.9.0

CVE-2021-26937.patch
removed since it is included in 4.9.0

Changelog:
=========
* Hardstatus option for used encoding (escape string '%e')
* OpenBSD uses native openpty() from its utils.h
* Fixes:
  - fix combining char handling that could lead to a segfault
  - CVE-2021-26937: possible denial of service via a crafted UTF-8 character sequence (bug #60030)
  - make screen exit code be 0 when checking --help
  - session names limit is 80 symbols (bug #61534)
  - option -X ignores specified user in multiuser env (bug #37437)
  - a lot of reformations/fixes/cleanups (man page and source code)

(From OE-Core rev: 8247097d2313ceb73bab1621d61b8aa3fb59095e)

Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

2 files changed, 1 insertions, 71 deletions

diff --git a/meta/recipes-extended/screen/screen/CVE-2021-26937.patch b/meta/recipes-extended/screen/screen/CVE-2021-26937.patch
deleted file mode 100644
index 983b35c1b0..0000000000
--- a/meta/recipes-extended/screen/screen/CVE-2021-26937.patch
+++ /dev/null
@@ -1,68 +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
-
-CVE: CVE-2021-26937
-Upstream-Status: Pending
-Signed-off-by: Scott Murray <scott.murray@konsulko.com>
-
---- 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 */
diff --git a/meta/recipes-extended/screen/screen_4.8.0.bb b/meta/recipes-extended/screen/screen_4.9.0.bb
index 6d307d5abc..1ed0961630 100644
--- a/meta/recipes-extended/screen/screen_4.8.0.bb
+++ b/meta/recipes-extended/screen/screen_4.9.0.bb
@@ -21,11 +21,9 @@ SRC_URI = "${GNU_MIRROR}/screen/screen-${PV}.tar.gz \
            file://0002-comm.h-now-depends-on-term.h.patch \
            file://0001-fix-for-multijob-build.patch \
            file://0001-Remove-more-compatibility-stuff.patch \
-           file://CVE-2021-26937.patch \
           "
 
-SRC_URI[md5sum] = "d276213d3acd10339cd37848b8c4ab1e"
-SRC_URI[sha256sum] = "6e11b13d8489925fde25dfb0935bf6ed71f9eb47eff233a181e078fde5655aa1"
+SRC_URI[sha256sum] = "f9335281bb4d1538ed078df78a20c2f39d3af9a4e91c57d084271e0289c730f4"
 
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