Creating user accounts in rootfs

Hi,

Does someone know a better way than the following to create user accounts ? :
* on the target use "adduser xxx"
* then copy target's "/etc/passwd" and "/etc/shadow" to Host's "buildroot/target/..../rootfs/target_skeleton/..."
* rebuild rootfs

My goal is to have a rootfs with preset user accounts, ready to be used as soon as the rootfs image has been flashed.

Thanks
Julien

Hi,

Julien> Does someone know a better way than the following to create user Julien> accounts ? :
Julien> * on the target use "adduser xxx"
Julien> * then copy target's "/etc/passwd" and "/etc/shadow" to Host's Julien> "buildroot/target/..../rootfs/target_skeleton/..." Julien> * rebuild rootfs

Julien> My goal is to have a rootfs with preset user accounts, ready to Julien> be used as soon as the rootfs image has been flashed.

No, that's certainly the easiest solution (and how I normally do it).

Bye, Peter Korsgaard

Zitat von Peter Korsgaard <[email protected]>:

i use an different way (but not with buildroot):

i have 2 functions:

add_user() {
# Usage: add_user "username" "password" "userid" "groupid"
"description" "home" "shell"
mkdir -p ${INSTALL}/etc
touch ${INSTALL}/etc/passwd
if [ -z "grep "$1:" ${INSTALL}/etc/passwd" ]; then

     echo "$1:$2:$3:$4:$5:$6:$7" >> ${INSTALL}/etc/passwd

fi
}

add_group() {
# Usage: add_group "groupname" "groupid" mkdir -p ${INSTALL}/etc
touch ${INSTALL}/etc/group
if [ -z "grep "$1:" ${INSTALL}/etc/group" ]; then

     echo "$1:x:$2:" >> ${INSTALL}/etc/group

fi
}

that can be called from the buildsripts (like your makefiles) with for example:

add_user haldaemon x 68 68 "HAL daemon" "/" "/bin/sh" add_group haldaemon 68

for the password i dont use /etc/shadow (but you can do this also). i install an second busybox for my host in in my toolchain dir with only CONFIG_CRYPTPW=y is set so i have busyboxs cryptpw utility on my host

i have set an variable ROOT_PASSWORD with my rootpassword

and to set my root password i call the function add_user like:

ROOT_PWD="$ROOT/$TOOLCHAIN/bin/cryptpw $ROOT_PASSWORD" add_user root "$ROOT_PWD" 0 0 "Root User" "/storage" "/bin/sh" add_group root 0

stephan

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