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ncurses: Fix CVE-2023-50495
Backport a patch [1] to fix CVE-2023-50495. [1] http://ncurses.scripts.mit.edu/?p=ncurses.git;a=commitdiff;h=7723dd6799ab10b32047ec73b14df9f107bafe99 (From OE-Core rev: bdf7b7460a4816e3d447264730a2814209667fb0) Signed-off-by: Mingli Yu <mingli.yu@windriver.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Mingli Yu
committed by
Richard Purdie
Richard Purdie
parent
f15ea3ad06
commit
09d85d671b
301
meta/recipes-core/ncurses/files/CVE-2023-50495.patch
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301
meta/recipes-core/ncurses/files/CVE-2023-50495.patch
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@@ -0,0 +1,301 @@
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From 7daae3f2139a678fe0ae0b42fcf8d807cbff485c Mon Sep 17 00:00:00 2001
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From: Mingli Yu <mingli.yu@windriver.com>
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Date: Sun, 4 Feb 2024 13:42:38 +0800
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Subject: [PATCH] parse_entry.c: check return value of _nc_save_str
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* check return value of _nc_save_str(), in special case for tic where
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extended capabilities are processed but the terminal description was
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not initialized (report by Ziqiao Kong).
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* regenerate llib-* files.
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CVE: CVE-2023-50495
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Upstream-Status: Backport [http://ncurses.scripts.mit.edu/?p=ncurses.git;a=commitdiff;h=7723dd6799ab10b32047ec73b14df9f107bafe99]
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Signed-off-by: Mingli Yu <mingli.yu@windriver.com>
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---
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ncurses/llib-lncurses | 15 +++++++++++++++
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ncurses/llib-lncursest | 15 +++++++++++++++
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ncurses/llib-lncursestw | 15 +++++++++++++++
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ncurses/llib-lncursesw | 15 +++++++++++++++
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ncurses/llib-ltinfo | 15 +++++++++++++++
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ncurses/llib-ltinfot | 15 +++++++++++++++
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ncurses/llib-ltinfotw | 15 +++++++++++++++
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ncurses/llib-ltinfow | 15 +++++++++++++++
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ncurses/tinfo/parse_entry.c | 23 ++++++++++++++++-------
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9 files changed, 136 insertions(+), 7 deletions(-)
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diff --git a/ncurses/llib-lncurses b/ncurses/llib-lncurses
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index 211cf3b7..e4190aa2 100644
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--- a/ncurses/llib-lncurses
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+++ b/ncurses/llib-lncurses
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@@ -3656,6 +3656,21 @@ char *tiparm(
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...)
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{ return(*(char **)0); }
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+#undef tiparm_s
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+char *tiparm_s(
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+ int num_expected,
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+ int tparm_type,
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+ const char *string,
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+ ...)
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+ { return(*(char **)0); }
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+
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+#undef tiscan_s
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+int tiscan_s(
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+ int *num_expected,
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+ int *tparm_type,
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+ const char *string)
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+ { return(*(int *)0); }
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+
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#undef _nc_tiparm
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char *_nc_tiparm(
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int expected,
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diff --git a/ncurses/llib-lncursest b/ncurses/llib-lncursest
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index 1b09d676..e07abba6 100644
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--- a/ncurses/llib-lncursest
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+++ b/ncurses/llib-lncursest
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@@ -3741,6 +3741,21 @@ char *tiparm(
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...)
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{ return(*(char **)0); }
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+#undef tiparm_s
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+char *tiparm_s(
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+ int num_expected,
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+ int tparm_type,
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+ const char *string,
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+ ...)
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+ { return(*(char **)0); }
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+
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+#undef tiscan_s
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+int tiscan_s(
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+ int *num_expected,
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+ int *tparm_type,
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+ const char *string)
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+ { return(*(int *)0); }
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+
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#undef _nc_tiparm
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char *_nc_tiparm(
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int expected,
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diff --git a/ncurses/llib-lncursestw b/ncurses/llib-lncursestw
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index 4576e0fc..747c6be8 100644
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--- a/ncurses/llib-lncursestw
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+++ b/ncurses/llib-lncursestw
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@@ -4702,6 +4702,21 @@ char *tiparm(
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...)
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{ return(*(char **)0); }
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+#undef tiparm_s
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+char *tiparm_s(
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+ int num_expected,
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+ int tparm_type,
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+ const char *string,
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+ ...)
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+ { return(*(char **)0); }
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+
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+#undef tiscan_s
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+int tiscan_s(
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+ int *num_expected,
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+ int *tparm_type,
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+ const char *string)
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+ { return(*(int *)0); }
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+
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#undef _nc_tiparm
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char *_nc_tiparm(
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int expected,
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diff --git a/ncurses/llib-lncursesw b/ncurses/llib-lncursesw
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index 127350d2..862305d9 100644
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--- a/ncurses/llib-lncursesw
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+++ b/ncurses/llib-lncursesw
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@@ -4617,6 +4617,21 @@ char *tiparm(
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...)
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{ return(*(char **)0); }
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+#undef tiparm_s
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+char *tiparm_s(
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+ int num_expected,
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+ int tparm_type,
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+ const char *string,
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+ ...)
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+ { return(*(char **)0); }
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+
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+#undef tiscan_s
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+int tiscan_s(
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+ int *num_expected,
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+ int *tparm_type,
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+ const char *string)
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+ { return(*(int *)0); }
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+
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#undef _nc_tiparm
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char *_nc_tiparm(
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int expected,
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diff --git a/ncurses/llib-ltinfo b/ncurses/llib-ltinfo
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index a5cd7cd3..31e5e9a6 100644
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--- a/ncurses/llib-ltinfo
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+++ b/ncurses/llib-ltinfo
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@@ -927,6 +927,21 @@ char *tiparm(
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...)
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{ return(*(char **)0); }
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+#undef tiparm_s
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+char *tiparm_s(
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+ int num_expected,
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+ int tparm_type,
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+ const char *string,
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+ ...)
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+ { return(*(char **)0); }
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+
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+#undef tiscan_s
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+int tiscan_s(
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+ int *num_expected,
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+ int *tparm_type,
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+ const char *string)
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+ { return(*(int *)0); }
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+
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#undef _nc_tiparm
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char *_nc_tiparm(
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int expected,
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diff --git a/ncurses/llib-ltinfot b/ncurses/llib-ltinfot
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index bd3de812..48e5c25a 100644
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--- a/ncurses/llib-ltinfot
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+++ b/ncurses/llib-ltinfot
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@@ -1003,6 +1003,21 @@ char *tiparm(
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...)
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{ return(*(char **)0); }
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+#undef tiparm_s
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+char *tiparm_s(
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+ int num_expected,
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+ int tparm_type,
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+ const char *string,
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+ ...)
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+ { return(*(char **)0); }
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+
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+#undef tiscan_s
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+int tiscan_s(
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+ int *num_expected,
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+ int *tparm_type,
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+ const char *string)
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+ { return(*(int *)0); }
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+
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#undef _nc_tiparm
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char *_nc_tiparm(
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int expected,
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diff --git a/ncurses/llib-ltinfotw b/ncurses/llib-ltinfotw
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index 4d35a1e1..64dfdfa5 100644
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--- a/ncurses/llib-ltinfotw
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+++ b/ncurses/llib-ltinfotw
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@@ -1025,6 +1025,21 @@ char *tiparm(
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...)
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{ return(*(char **)0); }
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+#undef tiparm_s
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+char *tiparm_s(
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+ int num_expected,
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+ int tparm_type,
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+ const char *string,
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+ ...)
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+ { return(*(char **)0); }
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+
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+#undef tiscan_s
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+int tiscan_s(
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+ int *num_expected,
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+ int *tparm_type,
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+ const char *string)
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+ { return(*(int *)0); }
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+
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#undef _nc_tiparm
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char *_nc_tiparm(
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int expected,
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diff --git a/ncurses/llib-ltinfow b/ncurses/llib-ltinfow
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index db846764..7e17a35f 100644
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--- a/ncurses/llib-ltinfow
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+++ b/ncurses/llib-ltinfow
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@@ -949,6 +949,21 @@ char *tiparm(
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...)
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{ return(*(char **)0); }
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+#undef tiparm_s
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+char *tiparm_s(
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+ int num_expected,
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+ int tparm_type,
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+ const char *string,
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+ ...)
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+ { return(*(char **)0); }
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+
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+#undef tiscan_s
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+int tiscan_s(
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+ int *num_expected,
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+ int *tparm_type,
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+ const char *string)
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+ { return(*(int *)0); }
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+
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#undef _nc_tiparm
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char *_nc_tiparm(
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int expected,
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diff --git a/ncurses/tinfo/parse_entry.c b/ncurses/tinfo/parse_entry.c
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index 14bcb67e..0a0b5637 100644
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--- a/ncurses/tinfo/parse_entry.c
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+++ b/ncurses/tinfo/parse_entry.c
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@@ -110,7 +110,7 @@ _nc_extend_names(ENTRY * entryp, const char *name, int token_type)
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/* Well, we are given a cancel for a name that we don't recognize */
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return _nc_extend_names(entryp, name, STRING);
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default:
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- return 0;
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+ return NULL;
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}
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/* Adjust the 'offset' (insertion-point) to keep the lists of extended
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@@ -142,6 +142,11 @@ _nc_extend_names(ENTRY * entryp, const char *name, int token_type)
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for (last = (unsigned) (max - 1); last > tindex; last--)
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if (!found) {
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+ char *saved;
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+
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+ if ((saved = _nc_save_str(name)) == NULL)
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+ return NULL;
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+
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switch (token_type) {
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case BOOLEAN:
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tp->ext_Booleans++;
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@@ -169,7 +174,7 @@ _nc_extend_names(ENTRY * entryp, const char *name, int token_type)
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TYPE_REALLOC(char *, actual, tp->ext_Names);
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while (--actual > offset)
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tp->ext_Names[actual] = tp->ext_Names[actual - 1];
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- tp->ext_Names[offset] = _nc_save_str(name);
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+ tp->ext_Names[offset] = saved;
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}
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temp.nte_name = tp->ext_Names[offset];
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@@ -364,6 +369,8 @@ _nc_parse_entry(ENTRY * entryp, int literal, bool silent)
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bool is_use = (strcmp(_nc_curr_token.tk_name, "use") == 0);
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bool is_tc = !is_use && (strcmp(_nc_curr_token.tk_name, "tc") == 0);
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if (is_use || is_tc) {
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+ char *saved;
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+
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if (!VALID_STRING(_nc_curr_token.tk_valstring)
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|| _nc_curr_token.tk_valstring[0] == '\0') {
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_nc_warning("missing name for use-clause");
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@@ -377,11 +384,13 @@ _nc_parse_entry(ENTRY * entryp, int literal, bool silent)
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_nc_curr_token.tk_valstring);
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continue;
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}
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- entryp->uses[entryp->nuses].name = _nc_save_str(_nc_curr_token.tk_valstring);
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- entryp->uses[entryp->nuses].line = _nc_curr_line;
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- entryp->nuses++;
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- if (entryp->nuses > 1 && is_tc) {
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- BAD_TC_USAGE
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+ if ((saved = _nc_save_str(_nc_curr_token.tk_valstring)) != NULL) {
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+ entryp->uses[entryp->nuses].name = saved;
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+ entryp->uses[entryp->nuses].line = _nc_curr_line;
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+ entryp->nuses++;
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+ if (entryp->nuses > 1 && is_tc) {
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+ BAD_TC_USAGE
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+ }
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}
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} else {
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/* normal token lookup */
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--
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2.25.1
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@@ -6,6 +6,7 @@ SRC_URI += "file://0001-tic-hang.patch \
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file://exit_prototype.patch \
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file://0001-Fix-CVE-2023-29491.patch \
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file://0001-Updating-reset-code-ncurses-6.4-patch-20231104.patch \
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file://CVE-2023-50495.patch \
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"
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# commit id corresponds to the revision in package version
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SRCREV = "79b9071f2be20a24c7be031655a5638f6032f29f"
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