aboutsummaryrefslogtreecommitdiff
path: root/src/ninjahelper.in
blob: 5d6bdd9dae4dc3019821aa9267d6ba5271e090fc (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
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
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
#!/bin/bash

####################################################
## Functions

function check_perms() {
	local file=$1
	local perms=`ls -ld $file`
	group_w_perm=${perms:5:1}
	world_w_perm=${perms:8:1}
	if [ "$group_w_perm" == "w" -o "$world_w_perm" == "w" ]; then
	    echo $perms
	    echo "helper scripts must not be group or world writable! Dying on file $file"
	    exit
	fi
	if [ `ls -ld $file | awk '{print $3}'` != "root" ]; then
		echo "helper scripts must be owned by root! Dying on file $file"
		exit
	fi
}


##
## returns the next available file name given a file
## in the form @CFGDIR@/backup.d/10.sys
## sets variable $next_filename
##
get_next_filename() {
  next_filename=$1
  dir=`dirname $next_filename`
  file=`basename $next_filename`
  number=${file:0:2}
  suffix=${file:3}
  while [ -f $next_filename ]; do
    let "number += 1"
    next_filename="$dir/$number.$suffix"
  done
}

##
## installs packages (passed in as $@) if not present
##
require_packages() {
       for pkg in "$@"; do
	   installed=`dpkg -s $pkg | grep 'ok installed'`
       if [ -z "$installed" ]; then 
           booleanBox "install $pkg?" "This backup action requires package $pkg. Do you want to install it now?"
           if [ $? = 0 ]; then
              apt-get install $pkg
              echo "hit return to continue...."
              read
           fi
       fi
    done
}

##
## menu for the wizards
##
donew() {
  listBegin "new action menu" "select an action to create"
  listItem return "return to main menu"
  for data in $HELPERS; do
    data=${data//_/ }
    helper_function=${data%%:*}
    helper_info=${data##*:}
    listItem $helper_function "$helper_info"
  done
  listDisplay menu
    
  [ $? = 1 ] && return
  result="$REPLY"
  [ "$result" = "return" ] && return
  result=${result}_wizard
  $result
}

do_rm_action() {
   booleanBox "remove action" "Are you sure you want to remove action file $1?"
   if [ $? = 0 ]; then
     rm $1;
   fi
}

do_run() {
   backupninja --run $1
   echo "Hit return to continue..."
   read
}

do_xedit() {
   if [ -z "$EDITOR" -o ! -x "`which $EDITOR`" ]; then
      if [ -h /etc/alternatives/editor -a -x "`readlink /etc/alternatives/editor`" ]; then
	 EDITOR="`readlink /etc/alternatives/editor`"
      elif [ -x "`which nano`" ]; then
	 EDITOR="`which nano`"
      elif [ -x "`which vim`" ]; then
	 EDITOR="`which vim`"
      elif [ -x "`which vi`" ]; then
	 EDITOR="`which vi`"
      else
	 echo "No suitable editor found."
	 echo "Please define $EDITOR or configure /etc/alternatives/editor."
	 exit
      fi
   fi
   $EDITOR $1
}

do_run_test() {
  backupninja --test --run $1
  echo "Hit return to continue..."
  read
}

do_disable() {
  mv $1 $1.disabled
}

do_enable() {
  mv $1 ${1%.*}
}

do_rename() {
  dir=`dirname $1`
  filename=`basename $1`
  inputBox "rename action" "enter a new filename" $filename
  mv $dir/$filename $dir/$REPLY
}

doaction() {
  action=$1
  base=`basename $action`
  if [ "${base##*.}" == "disabled" ]; then
     enable="enable";
  else
     enable="disable";
  fi
  while true; do
    menuBox "action menu" "$action $first" \
      main "return to main menu" \
      view "view configuration" \
      xedit "launch external editor" \
      $enable "$enable action" \
      name "change the filename" \
      run "run this action now" \
      test "do a test run" \
      kill "remove this action" 
    [ $? = 1 ] && return;
    result="$REPLY"
  	case "$result" in
	   "view") dialog --textbox $action 0 0;; 
	   "xedit") do_xedit $action;;
	   "disable") do_disable $action; return;;
   	   "enable") do_enable $action; return;;
   	   "name") do_rename $action; return;;
	   "run") do_run $action;;
	   "test") do_run_test $action;; 
	   "kill") do_rm_action $action; return;;
	   "main") return;;
	esac
  done
}

#####################################################
## begin program

if [ ! -x "`which dialog`" ]; then
	echo "ninjahelper is a menu based wizard for backupninja."
	echo "It requires 'dialog' in order to run. Do you want to install dialog now?"
	while true; do
	  echo -n "(yes/no): "
	  read install
	  if [ "$install" == "yes" ]; then
	     apt-get install dialog
	     break
	  elif [ "$install" == "no" ]; then
	     exit
	  else
	     echo "You must answer 'yes' or 'no'"
	  fi
    done
fi

conffile="@CFGDIR@/backupninja.conf"
if [ ! -r "$conffile" ]; then
	echo "Configuration file $conffile not found." 
	exit 1
fi

# find $scriptdir
scriptdir=`grep scriptdirectory $conffile | awk '{print $3}'`
if [ -z "$scriptdir" ]; then
        if [ -d "@datadir@" ]; then
	   scriptdir="@datadir@"
	else
	   echo "Could not find entry 'scriptdirectory' in $conffile" 
	   exit 1
	fi
else
        if [ ! -d "$scriptdir" ]; then
	   echo "Script directory $scriptdir not found." 
	   exit 1
	fi	   
fi

# find $libdir
libdir=`grep libdirectory $conffile | awk '{print $3}'`
if [ -z "$libdir" ]; then
        if [ -d "@libdir@" ]; then
	   libdir="@libdir@"
	else
	   echo "Could not find entry 'libdirectory' in $conffile." 
	   exit 1
	fi
else
        if [ ! -d "$libdir" ]; then
	   echo "Lib directory $libdir not found." 
	   exit 1
	fi
fi

configdirectory=`grep configdirectory $conffile | awk '{print $3}'`
if [ ! -n "$configdirectory" ]; then
	echo "Cound not find entry 'configdirectory' in $conffile" 
	exit 1
fi
if [ ! -d "$configdirectory" ]; then
	echo "Configuration directory $configdirectory not found." 
	exit 1
fi

. $libdir/easydialog

if [ "$UID" != "0" ]; then
	msgBox "warning" "ninjahelper must be run by root!"
	exit 1
fi

# load all the helpers
HELPERS=""
for file in `find $scriptdir -follow -name '*.helper'`; do
   check_perms $file
   . $file
done

setApplicationTitle "ninjahelper"
setDimension 75 19

#####################################################
## main event loop

while true; do

menulist=
action=
let "i = 1"
for file in `find $conf/etc/backup.d/ -type f | sort -n`; do
  menulist="$menulist $i $file"
  actions[$i]=$file
  let "i += 1"
done

menuBox "main menu" "Select a backup action for more options, or create a new action:" $menulist \
  new "create a new backup action" \
  quit "leave ninjahelper" 

[ $? = 1 -o $? = 255 ] && exit 0;

choice="$REPLY"
if [ "$choice" == "new" ]; then
  donew;
elif [ "$choice" == "quit" ]; then
  exit 0;
else
  action=${actions[$choice]};
  if [ -f "$action" ]; then
     doaction $action
  else
     msgBox "error" "error: cannot find the file '$action'"
  fi
fi


done