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Overflows are not detected by sscanf(), so stop using it:

* plugin-runner.c (main/parse_opt): Change from using "sscanf()" to
                                    "strtoimax()".
* plugins.d/mandos-client.c (main/parse_opt, main): Change from using
                                                    "sscanf()" to
                                                    "strtoimax()" and
                                                    "strtof()".
* splashy.c (main): Change from using "sscanf()" to "strtoimax()".
* usplash.c (main): - '' -

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mandos-ctl.xml
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
3
 
        "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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<!ENTITY COMMANDNAME "mandos-ctl">
5
 
<!ENTITY TIMESTAMP "2010-09-25">
6
 
<!ENTITY % common SYSTEM "common.ent">
7
 
%common;
8
 
]>
9
 
 
10
 
<refentry xmlns:xi="http://www.w3.org/2001/XInclude">
11
 
  <refentryinfo>
12
 
    <title>Mandos Manual</title>
13
 
    <!-- NWalsh’s docbook scripts use this to generate the footer: -->
14
 
    <productname>Mandos</productname>
15
 
    <productnumber>&version;</productnumber>
16
 
    <date>&TIMESTAMP;</date>
17
 
    <authorgroup>
18
 
      <author>
19
 
        <firstname>Björn</firstname>
20
 
        <surname>Påhlsson</surname>
21
 
        <address>
22
 
          <email>belorn@fukt.bsnet.se</email>
23
 
        </address>
24
 
      </author>
25
 
      <author>
26
 
        <firstname>Teddy</firstname>
27
 
        <surname>Hogeborn</surname>
28
 
        <address>
29
 
          <email>teddy@fukt.bsnet.se</email>
30
 
        </address>
31
 
      </author>
32
 
    </authorgroup>
33
 
    <copyright>
34
 
      <year>2010</year>
35
 
      <holder>Teddy Hogeborn</holder>
36
 
      <holder>Björn Påhlsson</holder>
37
 
    </copyright>
38
 
    <xi:include href="legalnotice.xml"/>
39
 
  </refentryinfo>
40
 
  
41
 
  <refmeta>
42
 
    <refentrytitle>&COMMANDNAME;</refentrytitle>
43
 
    <manvolnum>8</manvolnum>
44
 
  </refmeta>
45
 
  
46
 
  <refnamediv>
47
 
    <refname><command>&COMMANDNAME;</command></refname>
48
 
    <refpurpose>
49
 
      Control the operation of the Mandos server
50
 
    </refpurpose>
51
 
  </refnamediv>
52
 
  
53
 
  <refsynopsisdiv>
54
 
    <cmdsynopsis>
55
 
      <command>&COMMANDNAME;</command>
56
 
      <group>
57
 
        <arg choice="plain"><option>--enable</option></arg>
58
 
        <arg choice="plain"><option>-e</option></arg>
59
 
        <sbr/>
60
 
        <arg choice="plain"><option>--disable</option></arg>
61
 
        <arg choice="plain"><option>-d</option></arg>
62
 
      </group>
63
 
      <sbr/>
64
 
      <group>
65
 
        <arg choice="plain"><option>--bump-timeout</option></arg>
66
 
        <arg choice="plain"><option>-b</option></arg>
67
 
      </group>
68
 
      <sbr/>
69
 
      <group>
70
 
        <arg choice="plain"><option>--start-checker</option></arg>
71
 
      </group>
72
 
      <sbr/>
73
 
      <group>
74
 
        <arg choice="plain"><option>--stop-checker</option></arg>
75
 
      </group>
76
 
      <sbr/>
77
 
      <group>
78
 
        <arg choice="plain"><option>--remove</option></arg>
79
 
        <arg choice="plain"><option>-r</option></arg>
80
 
      </group>
81
 
      <sbr/>
82
 
      <group>
83
 
        <arg choice="plain"><option>--checker
84
 
        <replaceable>COMMAND</replaceable></option></arg>
85
 
        <arg choice="plain"><option>-c
86
 
        <replaceable>COMMAND</replaceable></option></arg>
87
 
      </group>
88
 
      <sbr/>
89
 
      <group>
90
 
        <arg choice="plain"><option>--timeout
91
 
        <replaceable>TIME</replaceable></option></arg>
92
 
        <arg choice="plain"><option>-t
93
 
        <replaceable>TIME</replaceable></option></arg>
94
 
      </group>
95
 
      <sbr/>
96
 
      <group>
97
 
        <arg choice="plain"><option>--interval
98
 
        <replaceable>TIME</replaceable></option></arg>
99
 
        <arg choice="plain"><option>-i
100
 
        <replaceable>TIME</replaceable></option></arg>
101
 
      </group>
102
 
      <sbr/>
103
 
      <group>
104
 
        <arg choice="plain"><option>--host
105
 
        <replaceable>STRING</replaceable></option></arg>
106
 
        <arg choice="plain"><option>-H
107
 
        <replaceable>STRING</replaceable></option></arg>
108
 
      </group>
109
 
      <sbr/>
110
 
      <group>
111
 
        <arg choice="plain"><option>--secret
112
 
        <replaceable>FILENAME</replaceable></option></arg>
113
 
        <arg choice="plain"><option>-s
114
 
        <replaceable>FILENAME</replaceable></option></arg>
115
 
      </group>
116
 
      <sbr/>
117
 
      <group>
118
 
        <arg choice="plain"><option>--approve</option></arg>
119
 
        <arg choice="plain"><option>-A</option></arg>
120
 
        <sbr/>
121
 
        <arg choice="plain"><option>--deny</option></arg>
122
 
        <arg choice="plain"><option>-D</option></arg>
123
 
      </group>
124
 
      <sbr/>
125
 
      <group choice="req">
126
 
        <arg choice="plain"><option>--all</option></arg>
127
 
        <arg choice="plain"><option>-a</option></arg>
128
 
        <arg rep='repeat' choice='plain'>
129
 
          <replaceable>CLIENT</replaceable>
130
 
        </arg>
131
 
      </group>
132
 
    </cmdsynopsis>
133
 
    <cmdsynopsis>
134
 
      <command>&COMMANDNAME;</command>
135
 
      <group>
136
 
        <arg choice="plain"><option>--verbose</option></arg>
137
 
        <arg choice="plain"><option>-v</option></arg>
138
 
      </group>
139
 
      <group>
140
 
        <arg rep='repeat' choice='plain'>
141
 
          <replaceable>CLIENT</replaceable>
142
 
        </arg>
143
 
      </group>
144
 
    </cmdsynopsis>
145
 
    <cmdsynopsis>
146
 
      <command>&COMMANDNAME;</command>
147
 
      <group choice="req">
148
 
        <arg choice="plain"><option>--is-enabled</option></arg>
149
 
        <arg choice="plain"><option>-V</option></arg>
150
 
      </group>
151
 
      <arg choice='plain'><replaceable>CLIENT</replaceable></arg>
152
 
    </cmdsynopsis>
153
 
    <cmdsynopsis>
154
 
      <command>&COMMANDNAME;</command>
155
 
      <group choice="req">
156
 
        <arg choice="plain"><option>--help</option></arg>
157
 
        <arg choice="plain"><option>-h</option></arg>
158
 
      </group>
159
 
    </cmdsynopsis>
160
 
    <cmdsynopsis>
161
 
      <command>&COMMANDNAME;</command>
162
 
      <group choice="req">
163
 
        <arg choice="plain"><option>--version</option></arg>
164
 
        <arg choice="plain"><option>-v</option></arg>
165
 
      </group>
166
 
    </cmdsynopsis>
167
 
  </refsynopsisdiv>
168
 
  
169
 
  <refsect1 id="description">
170
 
    <title>DESCRIPTION</title>
171
 
    <para>
172
 
      <command>&COMMANDNAME;</command> is a program to control the
173
 
      operation of the Mandos server <citerefentry><refentrytitle
174
 
      >mandos</refentrytitle><manvolnum>8</manvolnum></citerefentry>.
175
 
    </para>
176
 
    <para>
177
 
      This program can be used to change client settings, approve or
178
 
      deny client requests, and to remove clients from the server.
179
 
    </para>
180
 
  </refsect1>
181
 
  
182
 
  <refsect1 id="purpose">
183
 
    <title>PURPOSE</title>
184
 
    <para>
185
 
      The purpose of this is to enable <emphasis>remote and unattended
186
 
      rebooting</emphasis> of client host computer with an
187
 
      <emphasis>encrypted root file system</emphasis>.  See <xref
188
 
      linkend="overview"/> for details.
189
 
    </para>
190
 
  </refsect1>
191
 
  
192
 
  <refsect1 id="options">
193
 
    <title>OPTIONS</title>
194
 
    
195
 
    <variablelist>
196
 
      <varlistentry>
197
 
        <term><option>--help</option></term>
198
 
        <term><option>-h</option></term>
199
 
        <listitem>
200
 
          <para>
201
 
            Show a help message and exit
202
 
          </para>
203
 
        </listitem>
204
 
      </varlistentry>
205
 
      
206
 
      <varlistentry>
207
 
        <term><option>--enable</option></term>
208
 
        <term><option>-e</option></term>
209
 
        <listitem>
210
 
          <para>
211
 
            Enable client(s).  An enabled client will be eligble to
212
 
            receive its secret.
213
 
          </para>
214
 
        </listitem>
215
 
      </varlistentry>
216
 
      
217
 
      <varlistentry>
218
 
        <term><option>--disable</option></term>
219
 
        <term><option>-d</option></term>
220
 
        <listitem>
221
 
          <para>
222
 
            Disable client(s).  A disabled client will not be eligble
223
 
            to receive its secret, and no checkers will be started for
224
 
            it.
225
 
          </para>
226
 
        </listitem>
227
 
      </varlistentry>
228
 
      
229
 
      <varlistentry>
230
 
        <term><option>--bump-timeout</option></term>
231
 
        <listitem>
232
 
          <para>
233
 
            Bump the timeout of the specified client(s), just as if a
234
 
            checker had completed successfully for it/them.
235
 
          </para>
236
 
        </listitem>
237
 
      </varlistentry>
238
 
      
239
 
      <varlistentry>
240
 
        <term><option>--start-checker</option></term>
241
 
        <listitem>
242
 
          <para>
243
 
            Start a new checker now for the specified client(s).
244
 
          </para>
245
 
        </listitem>
246
 
      </varlistentry>
247
 
      
248
 
      <varlistentry>
249
 
        <term><option>--stop-checker</option></term>
250
 
        <listitem>
251
 
          <para>
252
 
            Stop any running checker for the specified client(s).
253
 
          </para>
254
 
        </listitem>
255
 
      </varlistentry>
256
 
      
257
 
      <varlistentry>
258
 
        <term><option>--remove</option></term>
259
 
        <term><option>-r</option></term>
260
 
        <listitem>
261
 
          <para>
262
 
            Remove the specified client(s) from the server.
263
 
          </para>
264
 
        </listitem>
265
 
      </varlistentry>
266
 
      
267
 
      <varlistentry>
268
 
        <term><option>--checker
269
 
        <replaceable>COMMAND</replaceable></option></term>
270
 
        <term><option>-c
271
 
        <replaceable>COMMAND</replaceable></option></term>
272
 
        <listitem>
273
 
          <para>
274
 
            Set the <varname>checker</varname> option of the specified
275
 
            client(s); see <citerefentry><refentrytitle
276
 
            >mandos-client.conf</refentrytitle><manvolnum>5</manvolnum
277
 
            ></citerefentry>.
278
 
          </para>
279
 
        </listitem>
280
 
      </varlistentry>
281
 
      
282
 
      <varlistentry>
283
 
        <term><option>--timeout
284
 
        <replaceable>TIME</replaceable></option></term>
285
 
        <term><option>-t
286
 
        <replaceable>TIME</replaceable></option></term>
287
 
        <listitem>
288
 
          <para>
289
 
            Set the <varname>timeout</varname> option of the specified
290
 
            client(s); see <citerefentry><refentrytitle
291
 
            >mandos-client.conf</refentrytitle><manvolnum>5</manvolnum
292
 
            ></citerefentry>.
293
 
          </para>
294
 
        </listitem>
295
 
      </varlistentry>
296
 
      
297
 
      <varlistentry>
298
 
        <term><option>--interval
299
 
        <replaceable>TIME</replaceable></option></term>
300
 
        <term><option>-i
301
 
        <replaceable>TIME</replaceable></option></term>
302
 
        <listitem>
303
 
          <para>
304
 
            Set the <varname>interval</varname> option of the specified
305
 
            client(s); see <citerefentry><refentrytitle
306
 
            >mandos-client.conf</refentrytitle><manvolnum>5</manvolnum
307
 
            ></citerefentry>.
308
 
          </para>
309
 
        </listitem>
310
 
      </varlistentry>
311
 
      
312
 
      <varlistentry>
313
 
        <term><option>--host
314
 
        <replaceable>STRING</replaceable></option></term>
315
 
        <term><option>-H
316
 
        <replaceable>STRING</replaceable></option></term>
317
 
        <listitem>
318
 
          <para>
319
 
            Set the <varname>host</varname> option of the specified
320
 
            client(s); see <citerefentry><refentrytitle
321
 
            >mandos-client.conf</refentrytitle><manvolnum>5</manvolnum
322
 
            ></citerefentry>.
323
 
          </para>
324
 
        </listitem>
325
 
      </varlistentry>
326
 
      
327
 
      <varlistentry>
328
 
        <term><option>--secret
329
 
        <replaceable>FILENAME</replaceable></option></term>
330
 
        <term><option>-s
331
 
        <replaceable>FILENAME</replaceable></option></term>
332
 
        <listitem>
333
 
          <para>
334
 
            Set the <varname>secfile</varname> option of the specified
335
 
            client(s); see <citerefentry><refentrytitle
336
 
            >mandos-client.conf</refentrytitle><manvolnum>5</manvolnum
337
 
            ></citerefentry>.
338
 
          </para>
339
 
        </listitem>
340
 
      </varlistentry>
341
 
      
342
 
      <varlistentry>
343
 
        <term><option>--approve</option></term>
344
 
        <term><option>-A</option></term>
345
 
        <listitem>
346
 
          <para>
347
 
            Approve client(s) if currently waiting for approval.
348
 
          </para>
349
 
        </listitem>
350
 
      </varlistentry>
351
 
      
352
 
      <varlistentry>
353
 
        <term><option>--deny</option></term>
354
 
        <term><option>-D</option></term>
355
 
        <listitem>
356
 
          <para>
357
 
            Deny client(s) if currently waiting for approval.
358
 
          </para>
359
 
        </listitem>
360
 
      </varlistentry>
361
 
      
362
 
      <varlistentry>
363
 
        <term><option>--all</option></term>
364
 
        <term><option>-a</option></term>
365
 
        <listitem>
366
 
          <para>
367
 
            Make the client-modifying options modify <emphasis
368
 
            >all</emphasis> clients.
369
 
          </para>
370
 
        </listitem>
371
 
      </varlistentry>
372
 
      
373
 
      <varlistentry>
374
 
        <term><option>--verbose</option></term>
375
 
        <term><option>-v</option></term>
376
 
        <listitem>
377
 
          <para>
378
 
            Show all client settings, not just a subset.
379
 
          </para>
380
 
        </listitem>
381
 
      </varlistentry>
382
 
      
383
 
      <varlistentry>
384
 
        <term><option>--is-enabled</option></term>
385
 
        <term><option>-V</option></term>
386
 
        <listitem>
387
 
          <para>
388
 
            Check if a single client is enabled or not, and exit with
389
 
            a successful exit status only if the client is enabled.
390
 
          </para>
391
 
        </listitem>
392
 
      </varlistentry>
393
 
      
394
 
    </variablelist>
395
 
  </refsect1>
396
 
  
397
 
  <refsect1 id="overview">
398
 
    <title>OVERVIEW</title>
399
 
    <xi:include href="overview.xml"/>
400
 
    <para>
401
 
      This program is a small utility to generate new OpenPGP keys for
402
 
      new Mandos clients, and to generate sections for inclusion in
403
 
      <filename>clients.conf</filename> on the server.
404
 
    </para>
405
 
  </refsect1>
406
 
  
407
 
  <refsect1 id="exit_status">
408
 
    <title>EXIT STATUS</title>
409
 
    <para>
410
 
      If the <option>--is-enabled</option> option is used, the exit
411
 
      status will be 0 only if the specified client is enabled.
412
 
    </para>
413
 
  </refsect1>
414
 
  
415
 
<!--   <refsect1 id="bugs"> -->
416
 
<!--     <title>BUGS</title> -->
417
 
<!--     <para> -->
418
 
<!--     </para> -->
419
 
<!--   </refsect1> -->
420
 
  
421
 
  <refsect1 id="example">
422
 
    <title>EXAMPLE</title>
423
 
    <informalexample>
424
 
      <para>
425
 
        To list all clients:
426
 
      </para>
427
 
      <para>
428
 
        <userinput>&COMMANDNAME;</userinput>
429
 
      </para>
430
 
    </informalexample>
431
 
    
432
 
    <informalexample>
433
 
      <para>
434
 
        To list <emphasis>all</emphasis> settings for the clients
435
 
        named <quote>foo1.example.org</quote> and <quote
436
 
        >foo2.example.org</quote>:
437
 
      </para>
438
 
      <para>
439
 
 
440
 
<!-- do not wrap this line -->
441
 
<userinput>&COMMANDNAME; --verbose foo1.example.org foo2.example.org</userinput>
442
 
 
443
 
      </para>
444
 
    </informalexample>
445
 
    
446
 
    <informalexample>
447
 
      <para>
448
 
        To enable all clients:
449
 
      </para>
450
 
      <para>
451
 
        <userinput>&COMMANDNAME; --enable --all</userinput>
452
 
      </para>
453
 
    </informalexample>
454
 
    
455
 
    <informalexample>
456
 
      <para>
457
 
        To change timeout and interval value for the clients
458
 
        named <quote>foo1.example.org</quote> and <quote
459
 
        >foo2.example.org</quote>:
460
 
      </para>
461
 
      <para>
462
 
 
463
 
<!-- do not wrap this line -->
464
 
<userinput>&COMMANDNAME; --timeout="5m" --interval="1m" foo1.example.org foo2.example.org</userinput>
465
 
 
466
 
      </para>
467
 
    </informalexample>
468
 
    
469
 
    <informalexample>
470
 
      <para>
471
 
        To approve all clients currently waiting for it:
472
 
      </para>
473
 
      <para>
474
 
 
475
 
<!-- do not wrap this line -->
476
 
<userinput>&COMMANDNAME; --approve --all</userinput>
477
 
 
478
 
      </para>
479
 
    </informalexample>
480
 
  </refsect1>
481
 
  
482
 
  <refsect1 id="security">
483
 
    <title>SECURITY</title>
484
 
    <para>
485
 
      This program must be permitted to access the Mandos server via
486
 
      the D-Bus interface.  This normally requires the root user, but
487
 
      could be configured otherwise by reconfiguring the D-Bus server.
488
 
    </para>
489
 
  </refsect1>
490
 
  
491
 
  <refsect1 id="see_also">
492
 
    <title>SEE ALSO</title>
493
 
    <para>
494
 
      <citerefentry><refentrytitle>mandos</refentrytitle>
495
 
      <manvolnum>8</manvolnum></citerefentry>,
496
 
      <citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
497
 
      <manvolnum>5</manvolnum></citerefentry>,
498
 
      <citerefentry><refentrytitle>mandos-monitor</refentrytitle>
499
 
      <manvolnum>8</manvolnum></citerefentry>
500
 
    </para>
501
 
  </refsect1>
502
 
  
503
 
</refentry>
504
 
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