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atmoz-sftp/entrypoint
2015-07-25 14:00:24 +02:00

73 lines
1.5 KiB
Bash
Executable file

#!/bin/bash
function printHelp() {
echo "Syntax: user:pass[:e][:[uid][:gid]]..."
echo "Use --readme for information and examples."
}
function printReadme() {
cat /README.md
}
function createUser() {
IFS=':' read -a param <<< $@
user="${param[0]}"
pass="${param[1]}"
if [ -z "$user" -o -z "$pass" ]; then
echo "You must at least provide a username and a password."
printHelp
exit 1
fi
if [ "${param[2]}" == "e" ]; then
chpasswdOptions="-e"
uid="${param[3]}"
gid="${param[4]}"
else
uid="${param[2]}"
gid="${param[3]}"
fi
useraddOptions="--create-home --no-user-group"
if [ -n "$uid" ]; then
useraddOptions="$useraddOptions --non-unique --uid $uid"
fi
if [ -n "$gid" ]; then
useraddOptions="$useraddOptions --gid $gid"
groupadd --gid $gid $gid
fi
useradd $useraddOptions $user
chown root:root /home/$user
chmod 755 /home/$user
if [ -z "$pass" ]; then
pass="$(echo `</dev/urandom tr -dc A-Za-z0-9 | head -c256`)"
chpasswdOptions=""
fi
echo "$user:$pass" | chpasswd $chpasswdOptions
cat /home/$user/.ssh/keys/* >> /home/$user/.ssh/authorized_keys
chown $user /home/$user/.ssh/authorized_keys
chmod 600 /home/$user/.ssh/authorized_keys
}
if [[ -z $1 || $1 =~ ^--help$|^-h$ ]]; then
printHelp
exit 0
fi
if [ "$1" == "--readme" ]; then
printReadme
exit 0
fi
for user in "$@"; do
createUser $user
done
exec /usr/sbin/sshd -D