Make ChangePassword task always respect USERS var
[snf-image] / snf-image-helper / tasks / 50ChangePassword.in
1 #! /bin/bash
2
3 # Copyright (C) 2011 GRNET S.A. 
4 #
5 # This program is free software; you can redistribute it and/or modify
6 # it under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 2 of the License, or
8 # (at your option) any later version.
9 #
10 # This program is distributed in the hope that it will be useful, but
11 # WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13 # General Public License for more details.
14 #
15 # You should have received a copy of the GNU General Public License
16 # along with this program; if not, write to the Free Software
17 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
18 # 02110-1301, USA.
19
20 ### BEGIN TASK INFO
21 # Provides:             ChangePassword
22 # RunBefore:            UmountImage
23 # RunAfter:             InstallUnattend
24 # Short-Description:    Changes Password for specified users
25 ### END TASK INFO
26
27 set -e
28 . "@commondir@/common.sh"
29
30 windows_password() {
31     local target="$1"
32     local password="$2"
33
34     echo "@echo off" > "$target/Windows/SnfScripts/ChangeAdminPassword.cmd"
35
36     if [ -z "$SNF_IMAGE_PROPERTY_USERS" ]; then
37         SNF_IMAGE_PROPERTY_USERS="Administrator"
38     fi
39
40     for usr in $SNF_IMAGE_PROPERTY_USERS; do
41         echo -n "Installing new password for user \`$usr'..."
42         echo "net user $usr $password" >> \
43             "$target/Windows/SnfScripts/ChangeAdminPassword.cmd"
44         echo done
45     done
46 }
47
48 linux_password() {
49     local target="$1"
50     local password="$2"
51
52     local hash=$("@scriptsdir@/snf-passtohash.py" "$password")
53     if [ ! -e "$target/etc/shadow" ]; then
54        log_error "No /etc/shadow found!" 
55     fi
56     
57     declare -a users
58     
59     if [ -n "$SNF_IMAGE_PROPERTY_USERS" ]; then
60         for usr in $SNF_IMAGE_PROPERTY_USERS; do
61             users+=("$usr")
62         done
63     else
64         users+=("root")
65
66         local distro=$(get_distro $target)
67
68         if [ "x$distro" = "xubuntu" -o \
69              "x$distro" = "xfedora" ] ; then
70             users+=("user")
71         fi
72     fi
73
74     for i in $(seq 0 1 $((${#users[@]}-1))); do
75         local tmp_shadow="$(mktemp)"
76         add_cleanup rm "$tmp_shadow"
77
78         echo -n "Setting ${users[$i]} password..."
79     
80         echo "${users[$i]}:$hash:15103:0:99999:7:::" > "$tmp_shadow"
81         grep -v "${users[$i]}" "$target/etc/shadow" >> "$tmp_shadow"
82         cat "$tmp_shadow" > "$target/etc/shadow"
83         echo "done"
84     done
85 }
86
87 if [ ! -d "$SNF_IMAGE_TARGET" ]; then
88     log_error "Target dir: \`$SNF_IMAGE_TARGET' is missing"
89 fi
90
91 if [ -z "$SNF_IMAGE_PASSWORD" ]; then
92     log_error "Password is missing"
93 fi
94
95 #trim users var
96 SNF_IMAGE_PROPERTY_USERS=$(echo $SNF_IMAGE_PROPERTY_USERS)
97
98 if [ "$SNF_IMAGE_PROPERTY_OSFAMILY" = "windows" ]; then
99     windows_password "$SNF_IMAGE_TARGET" "$SNF_IMAGE_PASSWORD"
100 elif [ "$SNF_IMAGE_PROPERTY_OSFAMILY" = "linux" ]; then
101     linux_password "$SNF_IMAGE_TARGET" "$SNF_IMAGE_PASSWORD"
102 fi
103
104 echo "done"
105
106 exit 0
107
108 # vim: set sta sts=4 shiftwidth=4 sw=4 et ai :
109