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target: add option to set the root password

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Add an option in the menuconfig to specify a root password.

If set to empty, no root password is created; otherwise, the password is
encrypted using MD5 (MD5 is not the default for crypt(3), DES-56 is, but
MD5 is widely available, not-so-strong, but not-so-weak either).

Add a check for 'mkpasswd' as a new dependency.

[Peter: fix typo/capitilization and simplify logic]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Arnout Vandecappelle <arnout@mind.be>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
This commit is contained in:
Yann E. MORIN
2012-12-28 14:07:33 +00:00
committed by Peter Korsgaard
parent aa5d13568d
commit a45871bfc6
3 changed files with 39 additions and 0 deletions
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9
system/system.mk
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@@ -1,5 +1,9 @@
TARGET_GENERIC_HOSTNAME:=$(call qstrip,$(BR2_TARGET_GENERIC_HOSTNAME))
TARGET_GENERIC_ISSUE:=$(call qstrip,$(BR2_TARGET_GENERIC_ISSUE))
TARGET_GENERIC_ROOT_PASSWD:=$(call qstrip,$(BR2_TARGET_GENERIC_ROOT_PASSWD))
ifneq ($(TARGET_GENERIC_ROOT_PASSWD),)
TARGET_GENERIC_ROOT_PASSWD_HASH=$(shell mkpasswd -m md5 "$(TARGET_GENERIC_ROOT_PASSWD)")
endif
TARGET_GENERIC_GETTY:=$(call qstrip,$(BR2_TARGET_GENERIC_GETTY_PORT))
TARGET_GENERIC_GETTY_BAUDRATE:=$(call qstrip,$(BR2_TARGET_GENERIC_GETTY_BAUDRATE))
TARGET_GENERIC_GETTY_TERM:=$(call qstrip,$(BR2_TARGET_GENERIC_GETTY_TERM))
@@ -14,6 +18,9 @@ target-generic-issue:
mkdir -p $(TARGET_DIR)/etc
echo "$(TARGET_GENERIC_ISSUE)" > $(TARGET_DIR)/etc/issue
target-root-passwd:
$(SED) 's,^root:[^:]*:,root:$(TARGET_GENERIC_ROOT_PASSWD_HASH):,' $(TARGET_DIR)/etc/shadow
target-generic-getty-busybox:
$(SED) '/# GENERIC_SERIAL$$/s~^.*#~$(TARGET_GENERIC_GETTY)::respawn:/sbin/getty -L $(TARGET_GENERIC_GETTY) $(TARGET_GENERIC_GETTY_BAUDRATE) $(TARGET_GENERIC_GETTY_TERM) #~' \
$(TARGET_DIR)/etc/inittab
@@ -40,6 +47,8 @@ ifneq ($(TARGET_GENERIC_ISSUE),)
TARGETS += target-generic-issue
endif
TARGETS += target-root-passwd
ifeq ($(BR2_ROOTFS_SKELETON_DEFAULT),y)
ifeq ($(BR2_PACKAGE_SYSVINIT),y)
TARGETS += target-generic-getty-sysvinit