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cups: allow unknown directives in conf files

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Patch for CVE-2025-61915 by mistake causes fatal error on unknown
directives in configuration files.
The default configuration already contains unknown directive in
non-systemd setups:
Unknown directive IdleExitTimeout on line 32 of /etc/cups/cupsd.conf

Backport fix for this from 2.4.x branch which reverts this behavior.

(From OE-Core rev: 2f36a12a72cf1f91a2d6ee68bd04292979608eb9)

Signed-off-by: Peter Marko <peter.marko@siemens.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Paul Barker <paul@pbarker.dev>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Peter Marko
2026-01-01 13:14:43 +01:00
committed by Richard Purdie
parent bfe84d74fe
commit 8df07c5662
2 changed files with 44 additions and 0 deletions
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1
meta/recipes-extended/cups/cups.inc
View File

@@ -19,6 +19,7 @@ SRC_URI = "${GITHUB_BASE_URI}/download/v${PV}/cups-${PV}-source.tar.gz \
file://CVE-2025-58364.patch \
file://CVE-2025-58436.patch \
file://CVE-2025-61915.patch \
file://0001-conf.c-Fix-stopping-scheduler-on-unknown-directive.patch \
"
GITHUB_BASE_URI = "https://github.com/OpenPrinting/cups/releases"

43
meta/recipes-extended/cups/cups/0001-conf.c-Fix-stopping-scheduler-on-unknown-directive.patch Normal file
View File

@@ -0,0 +1,43 @@
From 277d3b1c49895f070bbf4b73cada011d71fbf9f3 Mon Sep 17 00:00:00 2001
From: Zdenek Dohnal <zdohnal@redhat.com>
Date: Thu, 4 Dec 2025 09:04:37 +0100
Subject: [PATCH] conf.c: Fix stopping scheduler on unknown directive
Change the return value to do not trigger stopping the scheduler in case
of unknown directive, because stopping the scheduler on config errors
should only happen in case of syntax errors.
Upstream-Status: Backport [https://github.com/OpenPrinting/cups/commit/277d3b1c49895f070bbf4b73cada011d71fbf9f3]
Signed-off-by: Peter Marko <peter.marko@siemens.com>
---
scheduler/conf.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/scheduler/conf.c b/scheduler/conf.c
index 7d6da0252..0e7be0ef4 100644
--- a/scheduler/conf.c
+++ b/scheduler/conf.c
@@ -2697,16 +2697,16 @@ parse_variable(
{
/*
* Unknown directive! Output an error message and continue...
+ *
+ * Return value 1 is on purpose - we ignore unknown directives to log
+ * error, but do not stop the scheduler in case error in configuration
+ * is set to be fatal.
*/
- if (!value)
- cupsdLogMessage(CUPSD_LOG_ERROR, "Missing value for %s on line %d of %s.",
- line, linenum, filename);
- else
- cupsdLogMessage(CUPSD_LOG_ERROR, "Unknown directive %s on line %d of %s.",
- line, linenum, filename);
+ cupsdLogMessage(CUPSD_LOG_ERROR, "Unknown directive %s on line %d of %s.",
+ line, linenum, filename);
- return (0);
+ return (1);
}
switch (var->type)