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IAID is output has hexe if it contains '\' or '"'

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Signed-off-by: renmingshuai <renmingshuai@huawei.com>
(cherry picked from commit c81f4005074a28e2c6dac5419dec2e97482c4851)
This commit is contained in:
renmingshuai 2024-01-20 02:56:14 +00:00 committed by openeuler-sync-bot
parent 7246765bce
commit 4f66daa7c1
2 changed files with 54 additions and 1 deletions
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46
IAID-is-output-has-hexe-if-it-contains-or.patch Normal file
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@ -0,0 +1,46 @@
From fb971ee6b5403c21e64fa66c8711f688f763518c Mon Sep 17 00:00:00 2001
From: renmingshuai <renmingshuai@huawei.com>
Date: Sat, 20 Jan 2024 02:51:53 +0000
Subject: [PATCH] IAID is output has hexe if it contains '\' or '"'
Signed-off-by: renmingshuai <renmingshuai@huawei.com>
---
client/dhclient.conf.5 | 6 +++---
common/print.c | 4 +++-
2 files changed, 6 insertions(+), 4 deletions(-)
diff --git a/client/dhclient.conf.5 b/client/dhclient.conf.5
index 566a881..2e2dc56 100644
--- a/client/dhclient.conf.5
+++ b/client/dhclient.conf.5
@@ -617,9 +617,9 @@ pairs, separated by colons.
Currently, the values written out based on lease-id-format are the default-duid
and the IAID value (DHCPv6 only). The client automatically reads the values
in either format. Note that when the format is octal, rather than as an octal
-string, IAID is output as hex if it contains no printable characters or as a
-string if contains only printable characters. This is done to maintain backward
-compatibility.
+string, IAID is output as hex if it contains special character '"', '\' or
+no printable characters, or as a string if contains only printable characters.
+This is done to maintain backward compatibility.
.PP
\fBreject \fIcidr-ip-address\fR [\fB,\fR \fI...\fB \fIcidr-ip-address\fR ] \fB;\fR
.PP
diff --git a/common/print.c b/common/print.c
index b42e7bc..6835eb1 100644
--- a/common/print.c
+++ b/common/print.c
@@ -427,7 +427,9 @@ void print_hex_or_string (len, data, limit, buf)
return;
for (i = 0; (i < (limit - 3)) && (i < len); i++) {
- if (!isascii(data[i]) || !isprint(data[i])) {
+ /* print as hex if the characters contain '"' or '\' */
+ if (!isascii(data[i]) || !isprint(data[i]) ||
+ (data[i] == '"' || data[i] == '\\')) {
print_hex_only(len, data, limit, buf);
return;
}
--
2.33.0

9
dhcp.spec
View File

@ -3,7 +3,7 @@
Name: dhcp
Version: 4.4.2
Release: 10
Release: 11
Summary: Dynamic host configuration protocol software
#Please don't change the epoch on this package
Epoch: 12
@ -63,6 +63,7 @@ Patch42: backport-Fix-CVE-2022-2929.patch
Patch43: backport-CVE-2022-2795.patch
Patch44: backport-CVE-2022-38177.patch
Patch45: backport-CVE-2022-38178.patch
Patch46: IAID-is-output-has-hexe-if-it-contains-or.patch
BuildRequires: gcc autoconf automake libtool openldap-devel krb5-devel libcap-ng-devel bind-export-devel
BuildRequires: systemd systemd-devel
@ -304,6 +305,12 @@ exit 0
%{_mandir}/man3/omapi.3.gz
%changelog
* Sat Jan 20 2024 renmingshuai <renmingshuai@huawei.com> - 12:4.4.2-11
- Type:bugfix
- ID:
- SUG:restart
- DESC:IAID is output has hexe if it contains '\' or '"'
* Thu Jan 4 2024 renmingshuai <renmingshuai@huawei.com> - 12:4.4.2-10
- Type:CVE
- ID:CVE-2022-2795,CVE-2022-38177,CVE-2022-38178