systemd/SOURCES/0771-sd-id128-also-refuse-an-empty-invocation-ID.patch

42 lines
1.6 KiB
Diff

From e9054375028335ef1e2946b80d9765f8e69cbb9c Mon Sep 17 00:00:00 2001
From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Wed, 14 Dec 2022 13:40:42 +0900
Subject: [PATCH] sd-id128: also refuse an empty invocation ID
(cherry picked from commit 75fa1f25c08a4b5dc2180893718473be9e4f6bab)
Related: RHEL-27512
---
man/sd_id128_get_machine.xml | 3 ++-
src/libsystemd/sd-id128/sd-id128.c | 3 +++
2 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/man/sd_id128_get_machine.xml b/man/sd_id128_get_machine.xml
index 4f6926fd7d..075caffb2b 100644
--- a/man/sd_id128_get_machine.xml
+++ b/man/sd_id128_get_machine.xml
@@ -139,7 +139,8 @@
<listitem><para>Returned by <function>sd_id128_get_machine()</function> and
<function>sd_id128_get_machine_app_specific()</function> when <filename>/etc/machine-id</filename>
- is empty or all zeros.</para></listitem>
+ is empty or all zeros. Also returned by <function>sd_id128_get_invocation()</function> when the
+ invocation ID is all zeros.</para></listitem>
</varlistentry>
<varlistentry>
diff --git a/src/libsystemd/sd-id128/sd-id128.c b/src/libsystemd/sd-id128/sd-id128.c
index dee0df2396..ec53617fce 100644
--- a/src/libsystemd/sd-id128/sd-id128.c
+++ b/src/libsystemd/sd-id128/sd-id128.c
@@ -285,6 +285,9 @@ _public_ int sd_id128_get_invocation(sd_id128_t *ret) {
r = get_invocation_from_keyring(&saved_invocation_id);
if (r < 0)
return r;
+
+ if (sd_id128_is_null(saved_invocation_id))
+ return -ENOMEDIUM;
}
if (ret)