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- Committer: Teddy Hogeborn
- Date: 2024-11-17 17:28:47 UTC
- Revision ID: teddy@recompile.se-20241117172847-3bon1o16owybrmoo
mandos: Make configured network socket non-inheritable
If we are passed a pre-created created network socket as a file
descriptor, we should make it non-inheritable to checkers and other
subprocesses.
If we are passed a pre-created created network socket as a file
descriptor, we should make it non-inheritable to checkers and other
subprocesses.
- files added:
- DBUS-API
- debian/source
- debian/tests
- debian/upstream
- dracut-module
- network-hooks.d
- plugin-helpers
- files removed:
- initramfs-tools-hook-conf
- files modified:
- .bzrignore
added
removed
NEWS
1
1
This NEWS file records noteworthy changes, very tersely.
2
2
See the manual for detailed information.
3
3
4
Version 1.8.17 (2024-09-12)
5
* Improve documentation slightly, especially how to add extra options
6
to mandos-client when using dracut with systemd.
7
* Make life easier for distribution packagers by making sure that
8
"make install" creates all required directories.
9
* Server
10
** When seeing clients.conf entries lacking both fingerprint and
11
key_id, show a warning and ignore them instead of crashing,
12
* Client
13
** Suppress most spurious compiler warnings.
14
** Use 64-bit time.
15
** In initramfs-tools-hook, be aware of new name of GPGME library,
16
libgpgme11t64.
17
** In password-agent(8mandos), look for a Plymouth process in
18
alphabetical order, not in reverse alphabetical order. This is
19
technically a user-visible change, but should never matter in
20
practice.
21
22
Version 1.8.16 (2023-02-08)
23
* Server
24
** Bug fix: Start client checkers after a random delay
25
26
Version 1.8.15 (2022-04-25)
27
* Server
28
** Bug fix: When running "mandos-keygen --password" to read a password
29
interactively (to save in a section in the clients.conf file),
30
backslashes in the password are no longer interpreted as backslash
31
escapes.
32
** GnuTLS debug output no longer has a "b'" prefix.
33
34
Version 1.8.14 (2021-02-03)
35
* Client
36
** Create /dev/fd symlink (if necessary) in plugin-runner(8mandos) and
37
mandos-client(8mandos) (Workaround for Debian bug #981302)
38
39
Version 1.8.13 (2020-11-30)
40
* Client
41
** Fix unreliable test in password-agent(8mandos).
42
43
Version 1.8.12 (2020-07-04)
44
* Client
45
** Fix compatibility with the GNU C Library version 2.31.
46
** In initramfs-tools boots, only use setsid(1) when available.
47
48
Version 1.8.11 (2020-04-08)
49
* Client
50
** Fix file descriptor leak when adding or removing local routes to
51
unreachable hosts on the local network.
52
53
Version 1.8.10 (2020-03-21)
54
* Server
55
** Fix bug when setting a client's D-Bus "Secret" property
56
** Start client checkers after a random delay
57
** When using systemd, allow easier modification of server options
58
** Better log messages in mandos-monitor
59
* Client
60
** When using dracut & systemd, allow easier modification of options
61
62
Version 1.8.9 (2019-09-03)
63
* No user-visible changes
64
65
Version 1.8.8 (2019-08-18)
66
* No user-visible changes
67
68
Version 1.8.7 (2019-08-05)
69
* Client:
70
** Always compile with LFS (Large File Support) enabled.
71
* Server
72
** Improve intro(8mandos) manual page to cover dracut(8) support.
73
74
Version 1.8.6 (2019-08-03)
75
* Client:
76
** dracut support: In password-agent, properly ignore deleted and
77
renamed question files, and also fix memory alignment issue.
78
79
Version 1.8.5 (2019-07-30)
80
* Client
81
** Support dracut(8) as well as initramfs-tools(7).
82
** Minor bug fix: Allow the mandos-keygen --passfile option to use
83
passfiles with names starting with "-".
84
** Document known limitation of mandos-keygen --password; it strips
85
white space from start and end of the password.
86
* Server
87
** Bug fix: The server used to fail to restart if the "port" setting
88
was used. This has been fixed.
89
** Minor bug fix: Reap zombies left over from checker runs. (Debian
90
bug #933387)
91
92
Version 1.8.4 (2019-04-09)
93
* Client
94
** Fix minor memory leak in plugin-runner.
95
* Server
96
** mandos-ctl now has a --debug option to show D-Bus calls.
97
98
Version 1.8.3 (2019-02-11)
99
* No user-visible changes.
100
101
Version 1.8.2 (2019-02-10)
102
* Client
103
** In mandos-keygen, ignore failures to remove files in some cases.
104
105
Version 1.8.1 (2019-02-10)
106
* Client
107
** Only generate TLS keys using GnuTLS' certtool, of sufficient
108
version. Key generation of TLS keys will not happen until a
109
version of GnuTLS is installed with support for raw public keys.
110
** Remove any bad keys created by 1.8.0 and openssl.
111
* Server
112
** On installation, edit clients.conf and remove the same bad key ID
113
which was erroneously reported by all 1.8.0 clients. Also do not
114
trust this key ID in the server.
115
116
Version 1.8.0 (2019-02-10)
117
* Client
118
** Use new TLS keys for server communication and identification.
119
With GnuTLS 3.6 or later, OpenPGP keys are no longer supported.
120
The client can now use the new "raw public keys" (RFC 7250) API
121
instead, using GnuTLS 3.6.6. Please note: This *requires* new key
122
IDs to be added to server's client.conf file.
123
** New --tls-privkey and --tls-pubkey options to load TLS key files.
124
If GnuTLS is too old, these options do nothing.
125
* Server
126
** Supports either old or new GnuTLS.
127
The server now supports using GnuTLS 3.6.6 and clients connecting
128
with "raw public keys" as identification. The server will read
129
both fingerprints and key IDs from clients.conf file, and will use
130
either one or the other, depending on what is supported by GnuTLS
131
on the system. Please note: both are *not* supported at once; if
132
one type is supported by GnuTLS, all values of the other type from
133
clients.conf are ignored.
134
135
Version 1.7.20 (2018-08-19)
136
* Client
137
** Fix: Adapt to the Debian cryptsetup package 2.0.3 or later.
138
Important: in that version or later, the plugins "askpass-fifo",
139
"password-prompt", and "plymouth" will no longer be run, since they
140
would conflict with what cryptsetup is doing. Other plugins, such
141
as mandos-client and any user-supplied plugins, will still run.
142
** Better error message if failing to decrypt secret data
143
** Check for (and report) any key import failure from GPGME
144
** Better error message if self-signature verification fails
145
** Set system clock if not set; required by GnuPG for key import
146
** When debugging plugin-runner, it will now show starting plugins
147
148
Version 1.7.19 (2018-02-22)
149
* Client
150
** Do not print "unlink(...): No such file or directory".
151
** Bug fixes: Fix file descriptor leaks.
152
** Bug fix: Don't use leak sanitizer with leaking libraries.
153
154
Version 1.7.18 (2018-02-12)
155
* Client
156
** Bug fix: Revert faulty fix for a nonexistent bug in the
157
plugin-runner
158
159
Version 1.7.17 (2018-02-10)
160
* Client
161
** Bug fix: Fix a memory leak in the plugin-runner
162
** Bug fix: Fix memory leaks in the plymouth plugin
163
164
Version 1.7.16 (2017-08-20)
165
* Client
166
** Bug fix: ignore "resumedev" entries in initramfs' cryptroot file
167
** Bug fix in plymouth plugin: fix memory leak, avoid warning output
168
169
Version 1.7.15 (2017-02-23)
170
* Server
171
** Bug fix: Respect the mandos.conf "zeroconf" and "restore" options
172
* Client
173
** Bug fix in mandos-keygen: Handle backslashes in passphrases
174
175
Version 1.7.14 (2017-01-25)
176
* Server
177
** Use "Requisite" instead of "RequisiteOverridable" in systemd
178
service file.
179
180
Version 1.7.13 (2016-10-08)
181
* Client
182
** Minor bug fix: Don't ask for passphrase or fail when generating
183
keys using GnuPG 2.1 in a chrooted environment.
184
185
Version 1.7.12 (2016-10-05)
186
* Client
187
** Bug fix: Don't crash after exit() when using DH parameters file
188
189
Version 1.7.11 (2016-10-01)
190
* Client
191
** Security fix: Don't compile with AddressSanitizer
192
* Server
193
** Bug fix: Find GnuTLS library when gnutls28-dev is not installed
194
** Bug fix: Include "Expires" and "Last Checker Status" in mandos-ctl
195
verbose output
196
** New option for mandos-ctl: --dump-json
197
198
Version 1.7.10 (2016-06-23)
199
* Client
200
** Security fix: restrict permissions of /etc/mandos/plugin-helpers
201
* Server
202
** Bug fix: Make the --interface flag work with Python 2.7 when "cc"
203
is not installed
204
205
Version 1.7.9 (2016-06-22)
206
* Client
207
** Do not include intro(8mandos) man page
208
209
Version 1.7.8 (2016-06-21)
210
* Client
211
** Include intro(8mandos) man page
212
** mandos-keygen: Use ECDSA SSH keys by default
213
** Bug fix: Work with GnuPG 2 when booting (Debian bug #819982)
214
by copying /usr/bin/gpg-agent into initramfs
215
* Server
216
** Bug fix: Work with GnuPG 2 (don't use --no-use-agent option)
217
** Bug fix: Make the --interface option work when using Python 2.7
218
by trying harder to find SO_BINDTODEVICE
219
220
Version 1.7.7 (2016-03-19)
221
* Client
222
** Fix bug in Plymouth client, broken since 1.7.2
223
224
Version 1.7.6 (2016-03-13)
225
* Server
226
** Fix bug where stopping server would time out
227
** Make server runnable with Python 3
228
229
Version 1.7.5 (2016-03-08)
230
* Server
231
** Fix security restrictions in systemd service file.
232
** Work around bug where stopping server would time out
233
234
Version 1.7.4 (2016-03-05)
235
* Client
236
** Bug fix: Tolerate errors from configure_networking (Debian Bug
237
#816513)
238
** Compilation: Only use sanitizing options which work with the
239
compiler used when building. This should fix compilation with GCC
240
4.9 on mips, mipsel, and s390x.
241
* Server
242
** Add extra security restrictions in systemd service file.
243
244
Version 1.7.3 (2016-02-29)
245
* Client
246
** Bug fix: Remove new type of keyring directory user by GnuPG 2.1.
247
** Bug fix: Remove "nonnull" attribute from a function argument, which
248
would otherwise generate a spurious runtime warning.
249
250
Version 1.7.2 (2016-02-28)
251
* Server
252
** Stop using python-gnutls library; it was not updated to GnuTLS 3.3.
253
** Bug fix: Only send D-Bus signal ClientRemoved if using D-Bus.
254
** Use GnuPG 2 if available.
255
* Client
256
** Compile with various sanitizing flags.
257
258
Version 1.7.1 (2015-10-24)
259
* Client
260
** Bug fix: Can now really find Mandos server even if the server has
261
an IPv6 address on a network other than the one which the Mandos
262
server is on.
263
264
Version 1.7.0 (2015-08-10)
265
* Server
266
** Bug fix: Handle local Zeroconf service name collisions better.
267
** Bug fix: Finally fix "ERROR: Child process vanished" bug.
268
** Bug fix: Fix systemd service file to start server correctly.
269
** Bug fix: Be compatible with old 2048-bit DSA keys.
270
** The D-Bus API now provides the standard D-Bus ObjectManager
271
interface, and deprecates older functionality. See the DBUS-API
272
file for the currently recommended API. Note: the original API
273
still works, but is deprecated.
274
* Client
275
** Can now find Mandos server even if the server has an IPv6 address
276
on a network without IPv6 Router Advertisment (like if the Mandos
277
client itself is the router, or there is an IPv6 router advertising
278
a network other than the one which the Mandos server is on.)
279
** Use a better value than 1024 for the default number of DH bits.
280
This better value is either provided by a DH parameters file (see
281
below) or an appropriate number of DH bits is determined based on
282
the PGP key.
283
** Bug fix: mandos-keygen now generates correct output for the
284
"Checker" variable even if the SSH server on the Mandos client has
285
multiple SSH key types.
286
** Can now use pre-generated Diffie-Hellman parameters from a file.
287
288
Version 1.6.9 (2014-10-05)
289
* Server
290
** Changed to emit standard D-Bus signal when D-Bus properties change.
291
(The old signal is still emitted too, but marked as deprecated.)
292
293
Version 1.6.8 (2014-08-06)
294
* Client
295
** Bug fix: mandos-keygen now generates working SSH checker commands.
296
* Server
297
** Bug fix: "mandos-monitor" now really redraws screen on Ctrl-L.
298
** Now requires Python 2.7.
299
300
Version 1.6.7 (2014-07-17)
301
* Client
302
** Bug fix: Now compatible with GPGME 1.5.0.
303
** Bug fix: Fixed minor memory leaks.
304
* Server
305
** "mandos-monitor" now has verbose logging, toggleable with "v".
306
307
Version 1.6.6 (2014-07-13)
308
* Client
309
** If client host has an SSH server, "mandos-keygen --password" now
310
outputs "checker" option which uses "ssh-keyscan"; this is more
311
secure than the default "fping" checker.
312
** Bug fix: allow "." in network hook names, to match documentation.
313
** Better error messages.
314
* Server
315
** New --no-zeroconf option.
316
** Bug fix: Fix --servicename option, broken since 1.6.4.
317
** Bug fix: Fix --socket option work for --socket=0.
318
319
Version 1.6.5 (2014-05-11)
320
* Client
321
** Work around bug in GnuPG <http://bugs.g10code.com/gnupg/issue1622>
322
** Give better error messages when run without sufficient privileges
323
** Only warn if workaround for Debian bug #633582 was necessary and
324
failed, not if it failed and was unnecessary.
325
326
Version 1.6.4 (2014-02-16)
327
* Server
328
** Very minor fix to self-test code.
329
330
Version 1.6.3 (2014-01-21)
331
* Server
332
** Add systemd support.
333
** For PID file, fall back to /var/run if /run does not exist.
334
* Client
335
** Moved files from /usr/lib/mandos to whatever the architecture
336
specifies, like /usr/lib/x86_64-linux-gnu/mandos or
337
/usr/lib64/mandos.
338
339
Version 1.6.2 (2013-10-24)
340
* Server
341
** PID file moved from /var/run to /run.
342
** Bug fix: Handle long secrets when saving client state.
343
** Bug fix: Use more magic in the GnuTLS priority string to handle
344
both old DSA/ELG 2048-bit keys and new RSA/RSA 4096-bit keys.
345
* Client
346
** mandos-keygen: Bug fix: now generate RSA keys which GnuTLS can use.
347
Bug fix: Output passphrase prompts even when
348
redirecting standard output.
349
350
Version 1.6.1 (2013-10-13)
351
* Server
352
** All client options for time intervals now also take an RFC 3339
353
duration. The same for all options to mandos-ctl.
354
** Bug fix: Handle fast checkers (like ":") correctly.
355
** Bug fix: Don't print output from checkers when running in
356
foreground.
357
** Bug fix: Do not fail when client is removed from clients.conf but
358
saved settings remain.
359
** Bug fix: mandos-monitor now displays standout (reverse video) again
360
using new version of Urwid.
361
** Bug fix: Make boolean options work from the config file again.
362
** Bug fix: Make --no-ipv6 work again.
363
** New default priority string to be slightly more compatible with
364
older versions of GnuTLS.
365
* Client
366
** Bug fix: Fix bashism in mandos-keygen.
367
** Default key and subkey types are now RSA and RSA, respectively.
368
Also, new default key size is 4096 bits.
369
370
Version 1.6.0 (2012-06-18)
371
* Server
372
** Takes new --foreground option
373
** Init script supports new "status" action.
374
* Client
375
** Now uses all interfaces by default; the --interface option can
376
still be used to restrict it, and the argument to --interface (as
377
well as the $DEVICE environment variable for the network hooks) is
378
now a comma-separated list of interfaces to use.
379
380
Version 1.5.5 (2012-06-01)
381
* Server
382
** Server takes new --socket option
383
384
Version 1.5.4 (2012-05-20)
385
* Server
386
** Bug fix: Regression fix: Make non-zero approval timeout values work.
387
** Bug fix: Regression fix: Allow changing the Timeout D-Bus property.
388
** Fall back to not bind to an interface if an invalid interface name
389
is given.
390
** Removed support for undocumented feature of using plain "%%s" in
391
"checker" client option.
392
** Old D-Bus interface are now marked as deprecated.
393
** mandos-monitor: Bug fix: show approval timers correctly.
394
** mandos-ctl: Show "Extended Timeout" correctly, not as milliseconds.
395
396
Version 1.5.3 (2012-01-15)
397
* Server
398
** Add D-Bus property se.recompile.Client.LastCheckerStatus and use it
399
in mandos-monitor.
400
* Client
401
** Fix bugs in the example "bridge" network hook.
402
403
Version 1.5.2 (2012-01-08)
404
* Server
405
** Removed D-Bus signal se.recompile.Mandos.NewRequest() added in
406
1.5.0. It was buggy and was of questionable utility.
407
408
Version 1.5.1 (2012-01-01)
409
* Server
410
** Include intro(8mandos) manual page, missing since migration from
411
README file in version 1.4.0.
412
413
Version 1.5.0 (2012-01-01)
414
* Client
415
** Network hooks. The Mandos client can now run custom scripts to take
416
up a network interface before the client is run. Three example
417
scripts are provided: "wireless", "openvpn", and "bridge".
418
To facilitate this, the client now prefers network interfaces which
419
are up (if any) over all other interfaces.
420
* Server
421
** Persistent state. Client state is now saved between server
422
restarts.
423
** clients.conf file can now contain "enabled" setting for clients.
424
** Bug fix: Fix rare crash bug.
425
** Bug fix: Send corrent D-Bus type in PropertyChanged for
426
"ApprovalDelay", "ApprovalDuration", "Timeout", and
427
"ExtendedTimeout".
428
** mandos-ctl: Bare numbers as arguments are taken to be milliseconds.
429
** Bug fix: mandos-ctl --secret option now works.
430
** New D-Bus signal: se.recompile.Mandos.NewRequest(s).
431
432
Version 1.4.1 (2011-10-15)
433
* Server
434
** Make D-Bus properties settable again, and handle checkers
435
for disabled clients correctly.
436
* Miscellaneous fixes to "pedantic" Lintian warnings
437
438
Version 1.4.0 (2011-10-09)
439
* README file migrated to manual page intro(8mandos).
440
* Client:
441
** Fixed warning about "rmdir: Directory not empty".
442
* Server:
443
** Default values changed: timeout 5 minutes, interval 2 minutes.
444
** Clients gets an expiration extension when receiving a password,
445
controlled by new "extended_timeout" setting.
446
** New domain name: "fukt.bsnet.se" changes to "recompile.se". This
447
also affects the D-Bus bus and interface names (old names still
448
work). Users should start using the new names immediately.
449
** New D-Bus Client object properties "Expires" and "ExtendedTimeout";
450
see DBUS-API for details.
451
452
Version 1.3.1 (2011-07-27)
453
* Client:
454
** Client now retries all Mandos servers periodically.
455
** Work around Debian bug #633582 - fixes "Permission denied" problem.
456
457
Version 1.3.0 (2011-03-08)
458
* Server:
459
** Updated for Python 2.6.
460
* Client:
461
** Bug fix: Make the password-prompt plugin not conflict with
462
Plymouth.
463
** Bug fix: Bug fix: update initramfs also when purging package.
464
465
Version 1.2.3 (2010-10-11)
466
* Server:
467
** Bug fix: Expose D-Bus API also in non-debug mode.
468
469
Version 1.2.2 (2010-10-07)
470
* Client:
471
** splashy: Minor fix to compile with non-Linux kernels.
472
473
Version 1.2.1 (2010-10-02)
474
* Server:
475
** mandos-monitor(8): Documentation bug fix: Key for removing client
476
is "R", not "r".
477
478
Version 1.2 (2010-09-28)
479
* Client:
480
** New "plymouth" plugin to ask for a password using the Plymouth
481
graphical boot system.
482
** The Mandos client now automatically chooses a network interface if
483
the DEVICE setting in /etc/initramfs-tools/initramfs.conf is set to
484
the empty string. This is also the new default instead of "eth0".
485
** The Mandos client --connect option now loops indefinitely until a
486
password is received from the specified server.
487
** Bug fix: Quote directory correctly in mandos-keygen with --password
488
** Bug fix: don't use "echo -e" in mandos-keygen; unsupported by dash.
489
* Server:
490
** Terminology change: clients are now "ENABLED" or "DISABLED", not
491
"valid" or "invalid".
492
** New D-Bus API; see the file "DBUS-API".
493
** New control utilities using the new D-Bus API:
494
+ mandos-ctl A command-line based utility
495
+ mandos-monitor A text-based GUI interface
496
** New feature: manual interactive approval or denying of clients on a
497
case-by-case basis.
498
** New --debuglevel option to control logging
499
** Will not write PID file if --debug is passed
500
** Bug fix: Avoid race conditions with short "interval" values or
501
fast checkers.
502
** Bug fix: Don't try to bind to a network interface when none is
503
specified
504
505
Version 1.0.14 (2009-10-25)
506
Enable building without -pie and -fPIE if BROKEN_PIE is set.
507
508
Version 1.0.13 (2009-10-22)
509
* Client
510
** Security bug fix: If Mandos server is also installed, do not copy
511
its config files (with encrypted passwords) into the initrd.img-*
512
files.
513
514
Version 1.0.12 (2009-09-17)
515
* Client
516
** Bug fix: Allow network interface renaming by "udev" by taking down
517
the network interface after using it.
518
** Bug fix: User-supplied plugins are now installed correctly.
519
** Bug fix: If usplash was used but the password was instead provided
520
by the Mandos server, the usplash daemon used to ignore the first
521
command passed to it. This has been fixed.
522
** Bug fix: Make the "--userid" and "--groupid" options in
523
"plugin-runner.conf" work.
524
* Server
525
** Bug fix: Fix the LSB header in the init.d script to make dependency
526
based booting work.
527
** A client receiving its password now also counts as if a checker was
528
run successfully (i.e. the timeout timer is reset).
529
530
Version 1.0.11 (2009-05-23)
531
* Client
532
** Bug fix: Use "pkg-config" instead of old "libgnutls-config".
533
534
Version 1.0.10 (2009-05-17)
535
* Client
536
** Security bug fix: Fix permissions on initrd.img-*.bak files when
537
upgrading from older versions.
538
539
Version 1.0.9 (2009-05-17)
540
* Client
541
** Security bug fix: Fix permissions on initrd.img file when
542
installing new linux-image-* packages calling mkinitramfs-kpkg (all
543
version lower than 2.6.28-1-* does this).
544
545
Version 1.0.8 (2009-02-25)
546
* Client
547
** Bug fix: Fix missing quote characters in initramfs-tools-hook.
548
549
Version 1.0.7 (2009-02-24)
550
* Client
551
** Bug fix: Do not depend on GNU awk.
552
553
Version 1.0.6 (2009-02-13)
554
* Server
555
** Fix bug where server would stop responding, with a zombie checker
556
** Support for disabling IPv6 (only for advanced users)
557
** Fix bug which made server not change group ID
558
559
* Client
560
** Bug fix: Fix permission for /lib64 (on relevant architechtures).
561
** Add support for IPv4 addresses.
562
** Add support in mandos-client for not bringing up a network
563
interface by specifying an empty string to "--interface".
564
** Make password prompt on boot not be mangled by kernel log messages
565
about network interface.
566
** Get network interface from initramfs.conf and/or from kernel
567
command line.
568
** If set by "ip=" kernel command line, configure network on boot.
569
** Support connecting directly using "mandos=connect" kernel command.
570
line option, provided network is configured using "ip=".
571
** Fix bug which made plugin-runner and mandos-client not change group
572
ID.
573
** Fix bug where the "--options-for" option of plugin-runner would
574
truncate the value at the first colon character.
575
** Fix bug where plugin-runner would not go to fallback if all plugins
576
failed.
577
** Fix bug where mandos-client would not clean temporary directory on
578
a signal or on certain file systems.
579
** Bug fix: remove bashism in /bin/sh script "mandos-keygen".
580
4
581
Version 1.0.5 (2009-01-17)
5
582
* Client
6
583
** Fix small memory leak in plugin-runner.
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0