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
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
|
HELPERS="$HELPERS rdiff:incremental_remote_filesystem_backup"
declare -a rdiff_includes
declare -a rdiff_excludes
do_rdiff_dest() {
set -o noglob
formBegin "rdiff action wizard"
formItem "keep" "$rdiff_keep"
formItem "dest_directory" "$rdiff_directory"
formItem "dest_host" "$rdiff_host"
formItem "dest_user" "$rdiff_user"
formDisplay
[ $? = 1 ] && return;
IFS=$''
replyconverted=`echo $REPLY | tr '\n' :`
IFS=$':'
thereply=($replyconverted)
IFS=$' \t\n'
rdiff_keep=${thereply[0]}
rdiff_directory=${thereply[1]}
rdiff_host=${thereply[2]}
rdiff_user=${thereply[3]}
_dest_done="(DONE)"
setDefault conn
set +o noglob
}
do_rdiff_src() {
#echo ${rdiff_includes[@]}
set -o noglob
formBegin "rdiff action wizard: includes"
for ((i=0; i < ${#rdiff_includes[@]} ; i++)); do
formItem include ${rdiff_includes[$i]}
done
formItem include
formItem include
formItem include
formDisplay
[ $? = 1 ] && return;
unset rdiff_includes
rdiff_includes=($REPLY)
formBegin "rdiff action wizard: excludes"
for ((i=0; i < ${#rdiff_excludes[@]} ; i++)); do
formItem exclude ${rdiff_excludes[$i]}
done
formItem exclude
formItem exclude
formDisplay
[ $? = 1 ] && return;
unset rdiff_excludes
rdiff_excludes=($REPLY)
_src_done="(DONE)"
setDefault dest
set +o noglob
}
do_ssh_con() {
IFS=$' \t\n'
if [ "$_dest_done" = "" ]; then
msgBox "rdiff action wizard: error" "You must first configure the destination."
return
elif [ "$rdiff_user" = "" ]; then
msgBox "rdiff action wizard: error" "You must first configure the destination user."
return
elif [ "$rdiff_host" = "" ]; then
msgBox "rdiff action wizard: error" "You must first configure the destination host."
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.\n\n\nAre 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. When prompted, 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
echo "FAILED: Couldn't copy root's public ssh key to authorized_keys of $rdiff_user@$rdiff_host."
ssh $rdiff_user@$rdiff_host 'test -w .ssh || test -w .'
result=$?
echo "Hit return to continue."
read
case $result in
0 ) msgBox "rdiff action wizard: error" "Directories are writable: Probably just a typo the first time." ;;
1 ) msgBox "rdiff action wizard: error" "Connected successfully to $rdiff_user@$rdiff_host, but unable to write. Check ownership and modes of ~$rdiff_user on $rdiff_host." ;;
255 ) msgBox "rdiff action wizard: error" "Failed to connect to $rdiff_user@$rdiff_host. Check hostname, username, and password. Also, make sure sshd is running on the destination host." ;;
* ) msgBox "rdiff action wizard: error" "Unexpected error." ;;
esac
return
else
echo "Done. hit return to continue"
read
fi
else
echo "root@localhost is already in authorized_keys of $rdiff_user@$rdiff_host."
echo "Hit return to continue."
read
fi
do_rdiff_con
}
do_rdiff_con() {
echo "Testing to make sure destination has rdiff-backup installed and is compatible."
remote_result=`rdiff-backup --test-server $rdiff_user@$rdiff_host::/ 2>&1 >&-`
if [ $? -ne 0 ]
then
echo $remote_result | grep -q "command not found"
if [ $? -eq 0 ]
then
if [ "$rdiff_user" = "root" ]
then
booleanBox "install rdiff-backup?" "It seems like the remote machine does not have rdiff-backup installed, I can attempt to install rdiff-backup on the remote machine.\n\n\nDo you want me to attempt this now?"
if [ $? = 0 ]
then
ssh $rdiff_user@$rdiff_host 'apt-get install rdiff-backup'
result=$?
echo "Hit return to continue."
read
case $result in
0)
msgBox "rdiff action wizard: success" "Installation of rdiff-backup was a success!"
do_rdiff_con
;;
1)
msgBox "rdiff action wizard: error" "Connected successfully to $rdiff_user@$rdiff_host, but was unable to install the package for some reason."
;;
255)
msgBox "rdiff action wizard: error" "Failed to connect to $rdiff_user@$rdiff_host. Check hostname, username, and password. Also, make sure sshd is running on the destination host."
;;
*)
msgBox "rdiff action wizard: error" "Unexpected error."
;;
esac
return
fi
else
booleanBox "install rdiff-backup" "Please install rdiff-backup on the remote machine, this cannot be done automatically, as the remote user in your configuration is not root. \n\nIf you have installed rdiff-backup on the remote machine and you are getting this error, then there is a version incompatibility between that version and the local version.\n\nPlease resolve this problem and then try connecting again.\n\n\n\nTry connecting again?"
if [ $? = 0 ]
then
do_rdiff_con
else
return
fi
fi
else
msgBox "incompatible versions of rdiff-backup" "It looks like rdiff-backup is installed on the remote machine, but it may be an incompatible version with the one installed locally, or something else is amiss.\n\nPlease resolve this problem and then try connecting again.\n\n\nTry connecting again?"
if [ $? = 0 ]
then
do_rdiff_con
else
return
fi
fi
else
echo "SUCCESS: Everything looks good!"
echo "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
set -o noglob
for ((i=0; i < ${#rdiff_includes[@]} ; i++)); do
echo include = ${rdiff_includes[$i]}
done
for ((i=0; i < ${#rdiff_includes[@]} ; i++)); do
echo exclude = ${rdiff_excludes[$i]}
done
set +o noglob
cat >> $next_filename <<EOF
[dest]
type = remote
directory = $rdiff_directory
host = $rdiff_host
user = $rdiff_user
EOF
chmod 600 $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 "$result" in
"src") do_rdiff_src;;
"dest") do_rdiff_dest;;
"conn") do_ssh_con;;
"adv") do_rdiff_adv;;
"finish")
if [[ "$_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_includes=(/var/spool/cron/crontabs /var/backups /etc /root /home /usr/local/*bin /var/lib/dpkg/status*)
rdiff_excludes=(/home/*/.gnupg)
rdiff_main_menu
}
|
