Stop using pkexec for grub2-set-bootflag

Stop using pkexec for grub2-set-bootflag, it does not work under gdm instead
make it suid root (it was written with this in mind)

Signed-off-by: Peter Jones <pjones@redhat.com>
This commit is contained in:
Hans de Goede 2018-09-14 16:20:30 +00:00 committed by Peter Jones
parent b796a9a04b
commit bb02e16c59
3 changed files with 76 additions and 6 deletions

View file

@ -0,0 +1,69 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Hans de Goede <hdegoede@redhat.com>
Date: Fri, 14 Sep 2018 16:39:40 +0200
Subject: [PATCH] docs: Stop using polkit / pkexec for grub-boot-success.timer
/ service
We also want to call grub2-set-bootflag under gdm and pkexec does not
work under gdm because the gdm user has /sbin/nologin as shell.
So instead we are going to install grub2-set-bootflag as suid root,
grub2-set-bootflag was written with this usage in mind, so is safe
to be made suid root.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
---
docs/grub-boot-success.service | 2 +-
docs/grub-boot-success.timer | 1 -
docs/org.gnu.grub.policy | 20 --------------------
3 files changed, 1 insertion(+), 22 deletions(-)
delete mode 100644 docs/org.gnu.grub.policy
diff --git a/docs/grub-boot-success.service b/docs/grub-boot-success.service
index c8c91c34d49..80e79584c91 100644
--- a/docs/grub-boot-success.service
+++ b/docs/grub-boot-success.service
@@ -3,4 +3,4 @@ Description=Mark boot as successful
[Service]
Type=oneshot
-ExecStart=/usr/bin/pkexec /usr/sbin/grub2-set-bootflag boot_success
+ExecStart=/usr/sbin/grub2-set-bootflag boot_success
diff --git a/docs/grub-boot-success.timer b/docs/grub-boot-success.timer
index 67bd829b795..5d8fcba21aa 100644
--- a/docs/grub-boot-success.timer
+++ b/docs/grub-boot-success.timer
@@ -1,7 +1,6 @@
[Unit]
Description=Mark boot as successful after the user session has run 2 minutes
ConditionUser=!@system
-ConditionPathExists=/usr/bin/pkexec
[Timer]
OnActiveSec=2min
diff --git a/docs/org.gnu.grub.policy b/docs/org.gnu.grub.policy
deleted file mode 100644
index 18391efc8e7..00000000000
--- a/docs/org.gnu.grub.policy
+++ /dev/null
@@ -1,20 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE policyconfig PUBLIC "-//freedesktop//DTD PolicyKit Policy Configuration 1.0//EN" "http://www.freedesktop.org/standards/PolicyKit/1.0/policyconfig.dtd">
-<policyconfig>
- <vendor>GNU GRUB</vendor>
- <vendor_url>https://www.gnu.org/software/grub/</vendor_url>
- <action id="org.gnu.grub.set-bootflag">
- <!-- SECURITY:
- - A normal active user on the local machine does not need permission
- to set bootflags to show the menu / mark current boot successful.
- -->
- <description>Set GRUB bootflags</description>
- <message>Authentication is required to modify the bootloaders bootflags</message>
- <defaults>
- <allow_any>no</allow_any>
- <allow_inactive>no</allow_inactive>
- <allow_active>yes</allow_active>
- </defaults>
- <annotate key="org.freedesktop.policykit.exec.path">/usr/sbin/grub2-set-bootflag</annotate>
- </action>
-</policyconfig>

View file

@ -238,3 +238,4 @@ Patch0237: 0237-Add-more-dprintf-and-nerf-dprintf-in-script.c.patch
Patch0238: 0238-arm-arm64-loader-Better-memory-allocation-and-error-.patch
Patch0239: 0239-Try-to-pick-better-locations-for-kernel-and-initrd.patch
Patch0240: 0240-grub-boot-success.timer-Add-a-few-Conditions-for-run.patch
Patch0241: 0241-docs-Stop-using-polkit-pkexec-for-grub-boot-success..patch

View file

@ -7,7 +7,7 @@
Name: grub2
Epoch: 1
Version: 2.02
Release: 58%{?dist}
Release: 59%{?dist}
Summary: Bootloader with support for Linux, Multiboot and more
Group: System Environment/Base
License: GPLv3+
@ -223,9 +223,6 @@ install -D -m 0755 -t %{buildroot}%{_prefix}/lib/kernel/install.d/ %{SOURCE9}
install -d -m 0755 %{buildroot}%{_sysconfdir}/kernel/install.d/
install -m 0644 /dev/null %{buildroot}%{_sysconfdir}/kernel/install.d/20-grubby.install
install -m 0644 /dev/null %{buildroot}%{_sysconfdir}/kernel/install.d/90-loaderentry.install
# Install grub2-set-bootflag polkit policy
install -D -m 0755 -t %{buildroot}%{_datadir}/polkit-1/actions \
docs/org.gnu.grub.policy
# Install systemd user service to set the boot_success flag
install -D -m 0755 -t %{buildroot}%{_userunitdir} \
docs/grub-boot-success.{timer,service}
@ -366,7 +363,7 @@ fi
%files tools-minimal
%{_sysconfdir}/prelink.conf.d/grub2.conf
%{_sbindir}/%{name}-get-kernel-settings
%{_sbindir}/%{name}-set-bootflag
%attr(4755, root, root) %{_sbindir}/%{name}-set-bootflag
%{_sbindir}/%{name}-set-default
%{_sbindir}/%{name}-set*password
%{_bindir}/%{name}-editenv
@ -390,7 +387,6 @@ fi
%attr(0644,root,root) %ghost %config(noreplace) %{_sysconfdir}/default/grub
%config %{_sysconfdir}/grub.d/??_*
%{_sysconfdir}/grub.d/README
%{_datadir}/polkit-1/actions/org.gnu.grub.policy
%{_userunitdir}/grub-boot-success.timer
%{_userunitdir}/grub-boot-success.service
%{_userunitdir}/timers.target.wants
@ -498,6 +494,10 @@ fi
%endif
%changelog
* Tue Sep 25 2018 Peter Jones <pjones@redhat.com> - 2.02-59
- Stop using pkexec for grub2-set-bootflag, it does not work under gdm
instead make it suid root (it was written with this in mind)
* Wed Sep 12 2018 Peter Jones <pjones@redhat.com> - 2.02-58
- Add 2 conditions to boot-success timer and service:
- Don't run it for system users