NetCube-Systems-Austria/kumquat-buildroot
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package/urandom-scripts: new package

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The init script S20urandom is used to preserve the kernel's RNG
seed between reboots. This functionality is not required for the
package "initscripts". Further there are use-cases where this script
should not be installed at all (e.g. systems that only have read-only
partitions), but that's currently not possible as the script is
a mandatory part of the package "initscripts".

Let's move the script into its own package "urandom-scripts" and select it,
if the default skeleton is enabled. This maintains backward-compatibility
and allows to deselect it.

Signed-off-by: Christoph Müllner <christoph.muellner@theobroma-systems.com>
[yann.morin.1998@free.fr:
  - extend help text
  - default y if initscripts (instead of skeleton default)
  - allow use with openRC, but not systemd
]
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
This commit is contained in:
Christoph Müllner 2020-07-20 17:20:10 +02:00 committed by Yann E. MORIN
parent a757d173f1
commit 2fb5886fd7
4 changed files with 23 additions and 0 deletions
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1
package/Config.in
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@ -2291,6 +2291,7 @@ menu "Security"
source "package/selinux-python/Config.in"
source "package/semodule-utils/Config.in"
source "package/setools/Config.in"
source "package/urandom-scripts/Config.in"
endmenu
menu "Shell and utilities"

10
package/urandom-scripts/Config.in Normal file
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@ -0,0 +1,10 @@
config BR2_PACKAGE_URANDOM_SCRIPTS
bool "urandom-initscripts"
default y if BR2_PACKAGE_INITSCRIPTS
depends on !BR2_PACKAGE_SYSTEMD
help
Initscript to preserve the random seed between reboots.
WARNING: this is a poor fit to try and get high-quality
entropy at boot. There are better ways, like haveged, or
rng-tools.

0
package/initscripts/init.d/S20urandom → package/urandom-scripts/S20urandom
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12
package/urandom-scripts/urandom-scripts.mk Normal file
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@ -0,0 +1,12 @@
################################################################################
#
# urandom-scripts
#
################################################################################
define URANDOM_SCRIPTS_INSTALL_INIT_SYSV
$(INSTALL) -D -m 0755 $(URANDOM_SCRIPTS_PKGDIR)/S20urandom \
$(TARGET_DIR)/etc/init.d/S20urandom
endef
$(eval $(generic-package))