!74 [sync] PR-71: fix CVE-2024-32487

From: @openeuler-sync-bot 
Reviewed-by: @openeuler-basic 
Signed-off-by: @openeuler-basic
This commit is contained in:
openeuler-ci-bot 2024-04-22 09:38:58 +00:00 committed by Gitee
commit c7a8f94b76
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GPG Key ID: 173E9B9CA92EEF8F
4 changed files with 205 additions and 1 deletions

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@ -0,0 +1,70 @@
From 007521ac3c95bc76e3d59c6dbfe75d06c8075c33 Mon Sep 17 00:00:00 2001
From: Mark Nudelman <markn@greenwoodsoftware.com>
Date: Thu, 11 Apr 2024 17:49:48 -0700
Subject: [PATCH] Fix bug when viewing a file whose name contains a newline.
---
filename.c | 29 ++++++++++++++++++++++++-----
1 file changed, 24 insertions(+), 5 deletions(-)
diff --git a/filename.c b/filename.c
index 5d7a5ef..987c24a 100644
--- a/filename.c
+++ b/filename.c
@@ -133,6 +133,15 @@ static int metachar(char c)
return (strchr(metachars(), c) != NULL);
}
+/*
+ * Must use quotes rather than escape char for this metachar?
+ */
+static int must_quote(char c)
+{
+ /* {{ Maybe the set of must_quote chars should be configurable? }} */
+ return (c == '\n');
+}
+
/*
* Insert a backslash before each metacharacter in a string.
*/
@@ -165,6 +174,9 @@ public char * shell_quoten(constant char *s, size_t slen)
* doesn't support escape chars. Use quotes.
*/
use_quotes = 1;
+ } else if (must_quote(*p))
+ {
+ len += 3; /* open quote + char + close quote */
} else
{
/*
@@ -195,15 +207,22 @@ public char * shell_quoten(constant char *s, size_t slen)
constant char *es = s + slen;
while (s < es)
{
- if (metachar(*s))
+ if (!metachar(*s))
{
- /*
- * Add the escape char.
- */
+ *np++ = *s++;
+ } else if (must_quote(*s))
+ {
+ /* Surround the char with quotes. */
+ *np++ = openquote;
+ *np++ = *s++;
+ *np++ = closequote;
+ } else
+ {
+ /* Insert an escape char before the char. */
strcpy(np, esc);
np += esclen;
+ *np++ = *s++;
}
- *np++ = *s++;
}
*np = '\0';
}
--
2.43.0

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@ -0,0 +1,69 @@
From 90d9d12ba9d3818a0074f33c5153b577d07aa8fd Mon Sep 17 00:00:00 2001
From: Mark Nudelman <markn@greenwoodsoftware.com>
Date: Tue, 16 Jan 2024 18:14:33 -0800
Subject: [PATCH] Implement osc8_open().
---
filename.c | 16 +++++++++++-----
1 file changed, 11 insertions(+), 5 deletions(-)
diff --git a/filename.c b/filename.c
index 672dc94..5d7a5ef 100644
--- a/filename.c
+++ b/filename.c
@@ -136,7 +136,7 @@ static int metachar(char c)
/*
* Insert a backslash before each metacharacter in a string.
*/
-public char * shell_quote(constant char *s)
+public char * shell_quoten(constant char *s, size_t slen)
{
constant char *p;
char *np;
@@ -151,7 +151,7 @@ public char * shell_quote(constant char *s)
* Determine how big a string we need to allocate.
*/
len = 1; /* Trailing null byte */
- for (p = s; *p != '\0'; p++)
+ for (p = s; p < s + slen; p++)
{
len++;
if (*p == openquote || *p == closequote)
@@ -181,7 +181,7 @@ public char * shell_quote(constant char *s)
* We can't quote a string that contains quotes.
*/
return (NULL);
- len = (int) strlen(s) + 3;
+ len = slen + 3;
}
/*
* Allocate and construct the new string.
@@ -189,10 +189,11 @@ public char * shell_quote(constant char *s)
newstr = np = (char *) ecalloc(len, sizeof(char));
if (use_quotes)
{
- SNPRINTF3(newstr, len, "%c%s%c", openquote, s, closequote);
+ SNPRINTF4(newstr, len, "%c%.*s%c", openquote, (int) slen, s, closequote);
} else
{
- while (*s != '\0')
+ constant char *es = s + slen;
+ while (s < es)
{
if (metachar(*s))
{
@@ -209,6 +210,11 @@ public char * shell_quote(constant char *s)
return (newstr);
}
+public char * shell_quote(char *s)
+{
+ return shell_quoten(s, strlen(s));
+}
+
/*
* Return a pathname that points to a specified file in a specified directory.
* Return NULL if the file does not exist in the directory.
--
2.43.0

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@ -0,0 +1,59 @@
From 756acc92c9d6bea9929d9105207e081054be05fb Mon Sep 17 00:00:00 2001
From: Mark Nudelman <markn@greenwoodsoftware.com>
Date: Mon, 6 Nov 2023 11:44:08 -0800
Subject: [PATCH] Some constifying.
---
filename.c | 17 +++++++++--------
1 file changed, 9 insertions(+), 8 deletions(-)
diff --git a/filename.c b/filename.c
index a8726dc..672dc94 100644
--- a/filename.c
+++ b/filename.c
@@ -136,12 +136,13 @@ static int metachar(char c)
/*
* Insert a backslash before each metacharacter in a string.
*/
-public char * shell_quote(char *s)
+public char * shell_quote(constant char *s)
{
- char *p;
+ constant char *p;
+ char *np;
char *newstr;
int len;
- char *esc = get_meta_escape();
+ constant char *esc = get_meta_escape();
int esclen = (int) strlen(esc);
int use_quotes = 0;
int have_quotes = 0;
@@ -185,7 +186,7 @@ public char * shell_quote(char *s)
/*
* Allocate and construct the new string.
*/
- newstr = p = (char *) ecalloc(len, sizeof(char));
+ newstr = np = (char *) ecalloc(len, sizeof(char));
if (use_quotes)
{
SNPRINTF3(newstr, len, "%c%s%c", openquote, s, closequote);
@@ -198,12 +199,12 @@ public char * shell_quote(char *s)
/*
* Add the escape char.
*/
- strcpy(p, esc);
- p += esclen;
+ strcpy(np, esc);
+ np += esclen;
}
- *p++ = *s++;
+ *np++ = *s++;
}
- *p = '\0';
+ *np = '\0';
}
return (newstr);
}
--
2.43.0

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@ -1,12 +1,15 @@
Name: less Name: less
Version: 633 Version: 633
Release: 1 Release: 2
Summary: Less is a pager that displays text files. Summary: Less is a pager that displays text files.
License: GPLv3+ or BSD License: GPLv3+ or BSD
URL: http://www.greenwoodsoftware.com/less URL: http://www.greenwoodsoftware.com/less
Source0: http://www.greenwoodsoftware.com/less/%{name}-%{version}.tar.gz Source0: http://www.greenwoodsoftware.com/less/%{name}-%{version}.tar.gz
Patch0: less-394-time.patch Patch0: less-394-time.patch
Patch1: less-475-fsync.patch Patch1: less-475-fsync.patch
Patch2: backport-Some-constifying.patch
Patch3: backport-Implement-osc8_open.patch
Patch4: backport-CVE-2024-32487.patch
BuildRequires: gcc make ncurses-devel autoconf automake libtool BuildRequires: gcc make ncurses-devel autoconf automake libtool
@ -45,6 +48,9 @@ autoreconf -ivf
%{_mandir}/man1/* %{_mandir}/man1/*
%changelog %changelog
* Mon Apr 22 2024 wangjiang <wangjiang37@h-partners.com> - 633-2
- fix CVE-2024-32487
* Tue Jan 30 2024 hongjinghao <hongjinghao@huawei.com> - 633-1 * Tue Jan 30 2024 hongjinghao <hongjinghao@huawei.com> - 633-1
- Update to 633 - Update to 633