aboutsummaryrefslogtreecommitdiff
path: root/handlers/rdiff.helper
blob: 2efbe11b04f2994b9f877c65d7557cb96ddc33ca (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
do_rdiff_dest() {
   startForm "rdiff action wizard"
     formItem "keep" "$rdiff_keep"
     formItem "dest_directory" "$rdiff_directory"
     formItem "dest_host" "$rdiff_host"
     formItem "dest_user" "$rdiff_user"
   displayForm
   [ $? = 1 ] && return;
       
   set -- $REPLY
	rdiff_keep=$1
	rdiff_directory=$2
	rdiff_host=$3
	rdiff_user=$4

  _dest_done="(DONE)"
  setDefault conn
}

do_rdiff_src() {
   startForm "rdiff action wizard: includes"
     formItem include /var/spool/cron/crontabs
     formItem include /var/backups
     formItem include /etc
     formItem include /root
     formItem include /home
     formItem include '/usr/local/*bin'
     formItem include '/var/lib/dpkg/status*'
     formItem include 
     formItem include 
     formItem include 
   displayForm
   [ $? = 1 ] && return;

   rdiff_includes=   
   set -o noglob
   for i in $REPLY; do
      [ "$i" != "" ] && rdiff_includes="$rdiff_includes\ninclude = $i"
   done
   set +o noglob

   startForm "rdiff action wizard: excludes" 
     formItem exclude '/home/*/.gnupg'
     formItem exclude 
     formItem exclude 
   displayForm
   [ $? = 1 ] && return;

   rdiff_excludes=
   set -o noglob
   for i in $REPLY; do
      [ "$i" != "" ] && rdiff_excludes="$rdiff_excludes\nexclude = $i"
   done
   set +o noglob
   
   _src_done="(DONE)"
   setDefault dest
}

do_rdiff_con() {
  if [ "$_dest_done" = "" ]; then
    msgBox "rdiff action wizard: error" "You must first configure the destination"
    return
  else
    booleanBox "rdiff action wizard" "This step will create a ssh key for the local root user with no passphrase (if one does not already exist), and attempt to copy root's public ssh key to authorized_keys file of $rdiff_user@$rdiff_host. This will allow the local root to make unattended backups to $rdiff_user@$rdiff_host. Are you sure you want to continue?"
    [ $? = 1 ] && return
  fi

  if [ ! -f /root/.ssh/id_dsa.pub -a ! -f /root/.ssh/id_rsa.pub ]; then
    echo "Creating local root's ssh key"
    ssh-keygen -t dsa -f /root/.ssh/id_dsa -N ""
    echo "Done. hit return to continue"
    read
  fi
  
  ssh -o PreferredAuthentications=publickey $rdiff_host -l $rdiff_user "exit" 2> /dev/null
  if [ $? -ne 0 ]; then
    echo "Copying root's public ssh key to authorized_keys of $rdiff_user@$rdiff_host. Specify the password for user $rdiff_user@$rdiff_host."
    ssh-copy-id -i /root/.ssh/id_[rd]sa.pub $rdiff_user@$rdiff_host
    if [ $? -ne 0 ]; then
      msgBox "rdiff action wizard: error" "Failed to connect to $rdiff_user@$rdiff_host. Make sure you have the username and password correct."
      return
    else
      echo "Done. hit return to continue"
      read
    fi
  else
    echo "root@localhost is already in authorized_keys of $rdiff_user@$rdiff_host. hit return to continue"
    read
  fi
  _con_done="(DONE)"
  setDefault finish
}

do_rdiff_finish() {
   get_next_filename $configdirectory/90.rdiff
   cat > $next_filename <<EOF
# options = --force
# when = everyday at 02

[source]
type = local
keep = $rdiff_keep
EOF
   echo -n -e "$rdiff_includes" >> $next_filename
   echo -e "$rdiff_excludes" >> $next_filename
   cat >> $next_filename <<EOF
  
[dest]
type = remote
directory = $rdiff_directory
host = $rdiff_host
user = $rdiff_user
EOF
   chmod 000 $next_filename
}

rdiff_main_menu() {
  while true; do
    srcitem="choose files to include & exclude $_src_done"
    destitem="configure backup destination $_dest_done"
    conitem="set up ssh keys and test remote connection $_con_done"
    advitem="edit advanced settings $_adv_done"
    menuBox "rdiff action wizard" "choose a step:" \
        src "$srcitem" \
        dest "$destitem" \
        conn "$conitem" \
        finish "finish and create config file"
    [ $? = 1 ] && return;
    result="$REPLY"
    case "$result" in
       "src") do_rdiff_src;;
       "dest") do_rdiff_dest;;
       "conn") do_rdiff_con;;
       "adv") do_rdiff_adv;;
       "finish")
          if [[ "$_con_done$_dest_done$_src_done" != "(DONE)(DONE)(DONE)" ]]; then
            msgBox "rdiff action wizard" "You cannot create the configuration file until the other steps are completed."
          else
            do_rdiff_finish
            return
          fi
          ;;
    esac
    
  done
}

rdiff_wizard() {
#   require_packages rdiff-backup
  _src_done=
  _dest_done=
  _con_done=
  _adv_done=
  rdiff_keep=60D
  rdiff_directory=/backup/`hostname`
  rdiff_user=
  rdiff_host=
  rdiff_main_menu
}