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* [PATCH] systemd: sysusersd: change how the root home directory is set
@ 2023-07-27  9:28 Louis Rannou
  2023-08-06 20:07 ` [OE-core] " Alexandre Belloni
  0 siblings, 1 reply; 2+ messages in thread
From: Louis Rannou @ 2023-07-27  9:28 UTC (permalink / raw)
  To: openembedded-core; +Cc: Qi.Chen, tgamblin, Louis Rannou, Peter Kjellerstedt

Modifying the sources brings troubles in the devtool command. Therefore it is
better to patch the source with a custom variable, and later replace it with the
correct root path.

Suggestion from :
<https://lore.kernel.org/all/DB5PR02MB102137939DE6D43E423A9D296EF03A@DB5PR02MB10213.eurprd02.prod.outlook.com/>

Signed-off-by: Louis Rannou <lrannou@baylibre.com>
Suggested-by: Peter Kjellerstedt <peter.kjellerstedt@axis.com>
---
 ...usersd-Change-the-user-root-s-home-direct.patch | 32 ++++++++++++++++++++++
 meta/recipes-core/systemd/systemd_253.3.bb         | 11 ++++----
 2 files changed, 38 insertions(+), 5 deletions(-)

diff --git a/meta/recipes-core/systemd/systemd/0029-sysusersd-Change-the-user-root-s-home-direct.patch b/meta/recipes-core/systemd/systemd/0029-sysusersd-Change-the-user-root-s-home-direct.patch
new file mode 100644
index 0000000000..738413ec93
--- /dev/null
+++ b/meta/recipes-core/systemd/systemd/0029-sysusersd-Change-the-user-root-s-home-direct.patch
@@ -0,0 +1,32 @@
+From bf97001978cdefad644f7b4b909f281368e5a4dd Mon Sep 17 00:00:00 2001
+From: Kas User <kas@example.com>
+Date: Thu, 27 Jul 2023 08:23:06 +0000
+Subject: [PATCH] sysusers.d: Change the user root's home directory
+
+The default sysusers basic.conf.in file sets the root home directory to `/root`
+and does not permit its configuration. Change this to `:ROOT_HOME:` which must
+be set before the installation.
+
+The upstream considers the root home directory should not be changed
+<https://github.com/systemd/systemd/issues/27959>
+
+Upstream-Status: Denied
+Signed-off-by: Louis Rannou <lrannou@baylibre.com>
+---
+ sysusers.d/basic.conf.in | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/sysusers.d/basic.conf.in b/sysusers.d/basic.conf.in
+index 0aec080a4c..f26c224341 100644
+--- a/sysusers.d/basic.conf.in
++++ b/sysusers.d/basic.conf.in
+@@ -7,7 +7,7 @@
+ 
+ # The superuser
+ g root    0       -            -
+-u root    0:0     "Super User" /root
++u root    0:0     "Super User" :ROOT_HOME:
+ 
+ # The nobody user/group for NFS file systems
+ g {{NOBODY_GROUP_NAME}} 65534       -            -
+
diff --git a/meta/recipes-core/systemd/systemd_253.3.bb b/meta/recipes-core/systemd/systemd_253.3.bb
index cf0e17ff00..0f96140025 100644
--- a/meta/recipes-core/systemd/systemd_253.3.bb
+++ b/meta/recipes-core/systemd/systemd_253.3.bb
@@ -17,7 +17,6 @@ REQUIRED_DISTRO_FEATURES = "systemd"
 SRC_URI += " \
            file://touchscreen.rules \
            file://00-create-volatile.conf \
-           file://basic.conf.in \
            ${@bb.utils.contains('PACKAGECONFIG', 'polkit_hostnamed_fallback', 'file://org.freedesktop.hostname1_no_polkit.conf', '', d)} \
            ${@bb.utils.contains('PACKAGECONFIG', 'polkit_hostnamed_fallback', 'file://00-hostnamed-network-user.conf', '', d)} \
            file://init \
@@ -28,6 +27,7 @@ SRC_URI += " \
            file://0004-Move-sysusers.d-sysctl.d-binfmt.d-modules-load.d-to-.patch \
            file://27254.patch \
            file://27253.patch \
+           file://0029-sysusersd-Change-the-user-root-s-home-direct.patch \
            "
 
 # patches needed by musl
@@ -253,10 +253,6 @@ EXTRA_OEMESON += "-Dkexec-path=${sbindir}/kexec \
 # The 60 seconds is watchdog's default vaule.
 WATCHDOG_TIMEOUT ??= "60"
 
-do_configure:prepend() {
-  sed s@:ROOT_HOME:@${ROOT_HOME}@g ${WORKDIR}/basic.conf.in > ${S}/sysusers.d/basic.conf.in
-}
-
 do_install() {
 	meson_do_install
 	install -d ${D}/${base_sbindir}
@@ -368,6 +364,11 @@ do_install() {
         sed -i -e 's/#RebootWatchdogSec=10min/RebootWatchdogSec=${WATCHDOG_TIMEOUT}/' \
             ${D}/${sysconfdir}/systemd/system.conf
     fi
+
+	# The root home directory specified in sysusers.d/ was patched to
+	# `:ROOT_HOME:`. Change now to the correct path given by ${ROOT_HOME}.
+	[ ! -f ${D}${libdir}/sysusers.d/basic.conf ] ||
+		sed -i s@:ROOT_HOME:@${ROOT_HOME}@g ${D}${libdir}/sysusers.d/basic.conf
 }
 
 python populate_packages:prepend (){

---
base-commit: 23d9e2e210f18401ac669a930f2328aefacdc925
change-id: 20230726-sysusers_root-adb4c6b4cd05

Best regards,
-- 
Louis Rannou <lrannou@baylibre.com>



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2023-07-27  9:28 [PATCH] systemd: sysusersd: change how the root home directory is set Louis Rannou
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