sleepshell/ipkg/sleepshell.postinst

#!/bin/sh
. $IPKG_INSTROOT/etc/functions.sh

get_gid_from_group() {
	gid=-1
	gid=$(grep "^$1:" $IPKG_INSTROOT/etc/group 2>/dev/null \
	    |awk '{FS=":"}{print $3}')
	echo $gid
}

get_uid_from_user() {
	uid=$(grep "^$1:" $IPKG_INSTROOT/etc/passwd 2>/dev/null \
	    | awk '{FS=":"}{print $3}')
	echo $uid
}

get_gid_from_user() {
	gid=$(grep "^$1:" $IPKG_INSTROOT/etc/passwd 2>/dev/null \
	    | awk '{FS=":"}{print $4}')
	echo $gid
}

shell_exists() {
	grep -q "^$1$" $IPKG_INSTROOT/etc/shells 2>&-
	return $?
}

add_shell() {
	shell_exists $1 || {
		echo "adding shell $1 to /etc/shells"
		echo "$1" >>$IPKG_INSTROOT/etc/shells
	}
}


NEWUSER=rssh
NEWGROUP=rssh
NEWHOME="/home/$NEWUSER"

if ! group_exists $NEWGROUP
then
	GID=$(get_next_gid)
	add_group $NEWGROUP $GID
fi

if user_exists $NEWUSER
then
	UID=$(get_uid_from_user $NEWUSER)
	GID=$(get_gid_from_user $NEWUSER)
else
	UID=$(get_next_uid)
	add_user $NEWUSER $UID $GID "$NEWHOME" "/bin/sleepshell"
fi

if [ ! -d "$NEWHOME" ]
then
	mkdir -p "$NEWHOME/.ssh"
	touch "$NEWHOME/.ssh/authorized_keys"
	chown $UID:$GID "$NEWHOME" "$NEWHOME/.ssh" "$NEWHOME/.ssh/authorized_keys"
	chmod 750 "$NEWHOME"
	chmod 700 "$NEWHOME/.ssh"
	chmod 400 "$NEWHOME/.ssh/authorized_keys"
fi

add_shell /bin/sleepshell
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1	#!/bin/sh
2	. $IPKG_INSTROOT/etc/functions.sh
3
4	get_gid_from_group() {
5	gid=-1
6	gid=$(grep "^$1:" $IPKG_INSTROOT/etc/group 2>/dev/null \
7	\|awk '{FS=":"}{print $3}')
8	echo $gid
9	}
10
11	get_uid_from_user() {
12	uid=$(grep "^$1:" $IPKG_INSTROOT/etc/passwd 2>/dev/null \
13	\| awk '{FS=":"}{print $3}')
14	echo $uid
15	}
16
17	get_gid_from_user() {
18	gid=$(grep "^$1:" $IPKG_INSTROOT/etc/passwd 2>/dev/null \
19	\| awk '{FS=":"}{print $4}')
20	echo $gid
21	}
22
23	shell_exists() {
24	grep -q "^$1$" $IPKG_INSTROOT/etc/shells 2>&-
25	return $?
26	}
27
28	add_shell() {
29	shell_exists $1 \|\| {
30	echo "adding shell $1 to /etc/shells"
31	echo "$1" >>$IPKG_INSTROOT/etc/shells
32	}
33	}
34
35
36	NEWUSER=rssh
37	NEWGROUP=rssh
38	NEWHOME="/home/$NEWUSER"
39
40	if ! group_exists $NEWGROUP
41	then
42	GID=$(get_next_gid)
43	add_group $NEWGROUP $GID
44	fi
45
46	if user_exists $NEWUSER
47	then
48	UID=$(get_uid_from_user $NEWUSER)
49	GID=$(get_gid_from_user $NEWUSER)
50	else
51	UID=$(get_next_uid)
52	add_user $NEWUSER $UID $GID "$NEWHOME" "/bin/sleepshell"
53	fi
54
55	if [ ! -d "$NEWHOME" ]
56	then
57	mkdir -p "$NEWHOME/.ssh"
58	touch "$NEWHOME/.ssh/authorized_keys"
59	chown $UID:$GID "$NEWHOME" "$NEWHOME/.ssh" "$NEWHOME/.ssh/authorized_keys"
60	chmod 750 "$NEWHOME"
61	chmod 700 "$NEWHOME/.ssh"
62	chmod 400 "$NEWHOME/.ssh/authorized_keys"
63	fi
64
65	add_shell /bin/sleepshell