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1 /////
2 vim:set ts=4 sw=4 tw=82 noet:
3 /////
4
5 :quotes.~:
6
7 = signal-cli (1)
8
9 == Name
10
11 signal-cli - A commandline interface for the Signal messenger
12
13 == Synopsis
14
15 *signal-cli* [--config CONFIG] [-h | -v | -a ACCOUNT | --dbus | --dbus-system] command [command-options]
16
17 == Description
18
19 signal-cli is a commandline interface for libsignal-service-java.
20 It supports registering, verifying, sending and receiving messages.
21 For registering you need a phone number where you can receive SMS or incoming calls.
22 signal-cli was primarily developed to be used on servers to notify admins of important events.
23 For this use-case, it has a dbus and a JSON-RPC interface, that can be used to send messages from other programs.
24
25 For some functionality the Signal protocol requires that all messages have been received from the server.
26 The `receive` command should be regularly executed.
27 In daemon mode messages are continuously received.
28
29 == Options
30
31 *-h*, *--help*::
32 Show help message and quit.
33
34 *-v*, *--version*::
35 Print the version and quit.
36
37 *--verbose*::
38 Raise log level and include lib signal logs.
39
40 *--log-file* LOG_FILE::
41 Write log output to the given file.
42 If `--verbose` is also given, the detailed logs will only be written to the log file.
43
44 *--config* CONFIG::
45 Set the path, where to store the config.
46 Make sure you have full read/write access to the given directory.
47 (Default: `$XDG_DATA_HOME/signal-cli` (`$HOME/.local/share/signal-cli`))
48
49 *-a* ACCOUNT, *--account* ACCOUNT::
50 Specify your phone number, that will be your identifier.
51 The phone number must include the country calling code, i.e. the number must start with a "+" sign.
52
53 This flag must not be given for the `link` command.
54 It is optional for the `daemon` command.
55 For all other commands it is only optional if there is exactly one local user in the config directory.
56
57 *--service-environment* ENVIRONMENT::
58 Choose the server environment to use:
59
60 - `live` (default)
61 - `staging`
62
63 *--dbus*::
64 Make request via user dbus.
65
66 *--dbus-system*::
67 Make request via system dbus.
68
69 *-o* OUTPUT-MODE, *--output* OUTPUT-MODE::
70 Specify if you want commands to output in either "plain-text" mode or in "json".
71 Defaults to "plain-text"
72
73 *--trust-new-identities* TRUST-MODE::
74 Choose when to trust new identities:
75 - `on-first-use` (default): Trust the first seen identity key from new users, changed keys must be verified manually
76 - `always`: Trust any new identity key without verification
77 - `never`: Don't trust any unknown identity key, every key must be verified manually
78
79 == Commands
80
81 === register
82
83 Register a phone number with SMS or voice verification.
84 Use the verify command to complete the verification.
85
86 If the account is just deactivated, the register command will just reactivate account, without requiring an SMS verification.
87 By default the unregister command just deactivates the account, in which case it can be reactivated without sms verification if the local data is still available.
88 If the account was deleted (with --delete-account) it cannot be reactivated.
89
90 *-v*, *--voice*::
91 The verification should be done over voice, not SMS.
92
93 *--captcha*::
94 The captcha token, required if registration failed with a captcha required error.
95 To get the token, go to https://signalcaptchas.org/registration/generate.html
96 For the staging environment, use: https://signalcaptchas.org/staging/registration/generate.html
97 Check the developer tools for a redirect starting with signalcaptcha:// Everything after signalcaptcha:// is the captcha token.
98
99 === verify
100
101 Verify the number using the code received via SMS or voice.
102
103 VERIFICATIONCODE::
104 The verification code.
105
106 *-p* PIN, *--pin* PIN::
107 The registration lock PIN, that was set by the user.
108 Only required if a PIN was set.
109
110 === unregister
111
112 Disable push support for this device, i.e. this device won't receive any more messages.
113 If this is the master device, other users can't send messages to this number anymore.
114 Use "updateAccount" to undo this.
115 To remove a linked device, use "removeDevice" from the master device.
116
117 *--delete-account*::
118 Delete account completely from server.
119 Cannot be undone without loss.
120 You will have to be readded to each group.
121
122 CAUTION: Only delete your account if you won't use this number again!
123
124 === deleteLocalAccountData
125
126 Delete all local data for this account.
127 Data should only be deleted if the account is unregistered.
128
129 CAUTION: This cannot be undone.
130
131 *--ignore-registered*::
132 Delete the account data even though the account is still registered on the Signal servers.
133
134 === updateAccount
135
136 Update the account attributes on the signal server.
137 Can fix problems with receiving messages.
138
139 *-n* NAME, *--device-name* NAME::
140 Set a new device name for the main or linked device
141
142 === updateConfiguration
143
144 Update signal configs and sync them to linked devices.
145 This command only works on the main devices.
146
147 *--read-receipts* {true,false}::
148 Indicates if Signal should send read receipts.
149
150 *--unidentified-delivery-indicators* {true,false}::
151 Indicates if Signal should show unidentified delivery indicators.
152
153 *--typing-indicators* {true,false}::
154 Indicates if Signal should send/show typing indicators.
155
156 *--link-previews* {true,false}::
157 Indicates if Signal should generate link previews.
158
159 === setPin
160
161 Set a registration lock pin, to prevent others from registering this number.
162
163 REGISTRATION_LOCK_PIN::
164 The registration lock PIN, that will be required for new registrations (resets after 7 days of inactivity)
165
166 === removePin
167
168 Remove the registration lock pin.
169
170 === link
171
172 Link to an existing device, instead of registering a new number.
173 This shows a "sgnl://linkdevice?uuid=..." URI.
174 If you want to connect to another signal-cli instance, you can just use this URI.
175 If you want to link to an Android/iOS device, create a QR code with the URI (e.g. with qrencode) and scan that in the Signal app.
176
177 *-n* NAME, *--name* NAME::
178 Optionally specify a name to describe this new device.
179 By default "cli" will be used.
180
181 === addDevice
182
183 Link another device to this device.
184 Only works, if this is the master device.
185
186 *--uri* URI::
187 Specify the uri contained in the QR code shown by the new device.
188 You will need the full URI such as "sgnl://linkdevice?uuid=..." (formerly "tsdevice:/?uuid=...") Make sure to enclose it in quotation marks for shells.
189
190 === listDevices
191
192 Show a list of linked devices.
193
194 === removeDevice
195
196 Remove a linked device.
197 Only works, if this is the master device.
198
199 *-d* DEVICE_ID, *--device-id* DEVICE_ID::
200 Specify the device you want to remove.
201 Use listDevices to see the deviceIds.
202
203 === getUserStatus
204
205 Uses a list of phone numbers to determine the statuses of those users.
206 Shows if they are registered on the Signal Servers or not.
207 In json mode this is outputted as a list of objects.
208
209 [NUMBER [NUMBER ...]]::
210 One or more numbers to check.
211
212 === send
213
214 Send a message to another user or group.
215
216 RECIPIENT::
217 Specify the recipients’ phone number.
218
219 *--note-to-self*::
220 Send the message to self without notification.
221
222 *-g* GROUP, *--group-id* GROUP::
223 Specify the recipient group ID in base64 encoding.
224
225 *-m* MESSAGE, *--message* MESSAGE::
226 Specify the message.
227 Currently, signal-cli reads the message from stdin if `-m` is missing, but this will change in a future version and the explicit flag `--message-from-stdin` should be used instead.
228
229 *--message-from-stdin*::
230 Read the message from standard input.
231
232 *-a* [ATTACHMENT [ATTACHMENT ...]], *--attachment* [ATTACHMENT [ATTACHMENT ...]]::
233 Add one or more files as attachment.
234
235 *--sticker* STICKER::
236 Send a sticker of a locally known sticker pack (syntax: stickerPackId:stickerId).
237 Shouldn't be used together with `-m` as the official clients don't support this.
238 e.g.: `--sticker 00abac3bc18d7f599bff2325dc306d43:2`
239
240 *--mention*::
241 Mention another group member (syntax: start:length:recipientNumber) In the apps the mention replaces part of the message text, which is specified by the start and length values.
242 e.g.: `-m "Hi X!" --mention "3:1:+123456789"`
243
244 *--quote-timestamp*::
245 Specify the timestamp of a previous message with the recipient or group to add a quote to the new message.
246
247 *--quote-author*::
248 Specify the number of the author of the original message.
249
250 *--quote-message*::
251 Specify the message of the original message.
252
253 *--quote-mention*::
254 Specify the mentions of the original message (same format as `--mention`).
255
256 *-e*, *--end-session*::
257 Clear session state and send end session message.
258
259 === sendReaction
260
261 Send reaction to a previously received or sent message.
262
263 RECIPIENT::
264 Specify the recipients’ phone number.
265
266 *-g* GROUP, *--group-id* GROUP::
267 Specify the recipient group ID in base64 encoding.
268
269 *-e* EMOJI, *--emoji* EMOJI::
270 Specify the emoji, should be a single unicode grapheme cluster.
271
272 *-a* NUMBER, *--target-author* NUMBER::
273 Specify the number of the author of the message to which to react.
274
275 *-t* TIMESTAMP, *--target-timestamp* TIMESTAMP::
276 Specify the timestamp of the message to which to react.
277
278 *-r*, *--remove*::
279 Remove a reaction.
280
281 === sendReceipt
282
283 Send a read or viewed receipt to a previously received message.
284
285 RECIPIENT::
286 Specify the sender’s phone number.
287
288 *-t* TIMESTAMP, *--target-timestamp* TIMESTAMP::
289 Specify the timestamp of the message to which to react.
290
291 *--type* TYPE::
292 Specify the receipt type, either `read` (the default) or `viewed`.
293
294 === sendTyping
295
296 Send typing message to trigger a typing indicator for the recipient.
297 Indicator will be shown for 15seconds unless a typing STOP message is sent first.
298
299 RECIPIENT::
300 Specify the recipients’ phone number.
301
302 *-g* GROUP, *--group-id* GROUP::
303 Specify the recipient group ID in base64 encoding.
304
305 *-s*, *--stop*::
306 Send a typing STOP message.
307
308 === remoteDelete
309
310 Remotely delete a previously sent message.
311
312 RECIPIENT::
313 Specify the recipients’ phone number.
314
315 *-g* GROUP, *--group-id* GROUP::
316 Specify the recipient group ID in base64 encoding.
317
318 *-t* TIMESTAMP, *--target-timestamp* TIMESTAMP::
319 Specify the timestamp of the message to delete.
320
321 === receive
322
323 Query the server for new messages.
324 New messages are printed on standard output and attachments are downloaded to the config directory.
325 In json mode this is outputted as one json object per line.
326
327 *-t* TIMEOUT, *--timeout* TIMEOUT::
328 Number of seconds to wait for new messages (negative values disable timeout).
329 Default is 5 seconds.
330 *--ignore-attachments*::
331 Don’t download attachments of received messages.
332
333 === joinGroup
334
335 Join a group via an invitation link.
336
337 *--uri*::
338 The invitation link URI (starts with `https://signal.group/#`)
339
340 === updateGroup
341
342 Create or update a group.
343 If the user is a pending member, this command will accept the group invitation.
344
345 *-g* GROUP, *--group-id* GROUP::
346 Specify the recipient group ID in base64 encoding.
347 If not specified, a new group with a new random ID is generated.
348
349 *-n* NAME, *--name* NAME::
350 Specify the new group name.
351
352 *-d* DESCRIPTION, *--description* DESCRIPTION::
353 Specify the new group description.
354
355 *-a* AVATAR, *--avatar* AVATAR::
356 Specify a new group avatar image file.
357
358 *-m* [MEMBER [MEMBER ...]], *--member* [MEMBER [MEMBER ...]]::
359 Specify one or more members to add to the group.
360
361 *-r* [MEMBER [MEMBER ...]], *--remove-member* [MEMBER [MEMBER ...]]::
362 Specify one or more members to remove from the group
363
364 *--admin* [MEMBER [MEMBER ...]]::
365 Specify one or more members to make a group admin
366
367 *--remove-admin* [MEMBER [MEMBER ...]]::
368 Specify one or more members to remove group admin privileges
369
370 *--ban* [MEMBER [MEMBER ...]]::
371 Specify one or more members to ban from joining the group.
372 Banned members cannot join or request to join via a group link.
373
374 *--unban* [MEMBER [MEMBER ...]]::
375 Specify one or more members to remove from the ban list
376
377 *--reset-link*::
378 Reset group link and create new link password
379
380 *--link* LINK_STATE::
381 Set group link state: `enabled`, `enabled-with-approval`, `disabled`
382
383 *--set-permission-add-member* PERMISSION::
384 Set permission to add new group members: `every-member`, `only-admins`
385
386 *--set-permission-edit-details* PERMISSION::
387 Set permission to edit group details: `every-member`, `only-admins`
388
389 *--set-permission-send-messages* PERMISSION::
390 Set permission to send messages in group: `every-member`, `only-admins`
391 Groups where only admins can send messages are also called announcement groups
392
393 *-e* EXPIRATION_SECONDS, *--expiration* EXPIRATION_SECONDS::
394 Set expiration time of messages (seconds).
395 To disable expiration set expiration time to 0.
396
397 === quitGroup
398
399 Send a quit group message to all group members and remove self from member list.
400 If the user is a pending member, this command will decline the group invitation.
401
402 *-g* GROUP, *--group-id* GROUP::
403 Specify the recipient group ID in base64 encoding.
404
405 *--delete*::
406 Delete local group data completely after quitting group.
407
408 === listGroups
409
410 Show a list of known groups and related information.
411 In json mode this is outputted as an list of objects and is always in detailed mode.
412
413 *-d*, *--detailed*::
414 Include the list of members of each group and the group invite link.
415
416 *-g*, *--group-id*::
417 Filter the group list by one or more group IDs.
418
419 === listContacts
420
421 Show a list of known contacts with names and profiles.
422 When a specific recipient is given, its profile will be refreshed.
423
424 RECIPIENT::
425 Specify the recipients’ phone number.
426
427 *-a*, *--all-recipients*::
428 Include all known recipients, not only contacts.
429
430 *--blocked*::
431 Specify if only blocked or unblocked contacts should be shown (default: all contacts)
432
433 *--name*::
434 Find contacts with the given contact or profile name.
435
436 === listIdentities
437
438 List all known identity keys and their trust status, fingerprint and safety number.
439
440 *-n* NUMBER, *--number* NUMBER::
441 Only show identity keys for the given phone number.
442
443 === trust
444
445 Set the trust level of a given number.
446 The first time a key for a number is seen, it is trusted by default (TOFU).
447 If the key changes, the new key must be trusted manually.
448
449 number::
450 Specify the phone number, for which to set the trust.
451
452 *-a*, *--trust-all-known-keys*::
453 Trust all known keys of this user, only use this for testing.
454
455 *-v* VERIFIED_SAFETY_NUMBER, *--verified-safety-number* VERIFIED_SAFETY_NUMBER::
456 Specify the safety number of the key, only use this option if you have verified the safety number.
457 Can be either the plain text numbers shown in the app or the bytes from the QR-code, encoded as base64.
458
459 === updateProfile
460
461 Update the profile information shown to message recipients.
462 The profile is stored encrypted on the Signal servers.
463 The decryption key is sent with every outgoing messages to contacts and included in every group.
464
465 *--given-name* NAME, *--name* NAME::
466 New (given) name.
467
468 *--family-name* FAMILY_NAME::
469 New family name.
470
471 *--about* ABOUT_TEXT::
472 New profile status text.
473
474 *--about-emoji* EMOJI::
475 New profile status emoji.
476
477 *--avatar* AVATAR_FILE::
478 Path to the new avatar image file.
479
480 *--remove-avatar*::
481 Remove the avatar
482
483 === updateContact
484
485 Update the info associated to a number on our contact list.
486 This change is only local but can be synchronized to other devices by using `sendContacts` (see below).
487 If the contact doesn't exist yet, it will be added.
488
489 NUMBER::
490 Specify the contact phone number.
491
492 *-n*, *--name*::
493 Specify the new name for this contact.
494
495 *-e*, *--expiration* EXPIRATION_SECONDS::
496 Set expiration time of messages (seconds).
497 To disable expiration set expiration time to 0.
498
499 === removeContact
500
501 Remove the info of a given contact
502
503 NUMBER::
504 Specify the contact phone number.
505
506 *--forget*::
507 Delete all data associated with this contact, including identity keys and sessions.
508
509 === block
510
511 Block the given contacts or groups (no messages will be received).
512 This change is only local but can be synchronized to other devices by using `sendContacts` (see below).
513
514 [CONTACT [CONTACT ...]]::
515 Specify the phone numbers of contacts that should be blocked.
516
517 *-g* [GROUP [GROUP ...]], *--group-id* [GROUP [GROUP ...]]::
518 Specify the group IDs that should be blocked in base64 encoding.
519
520 === unblock
521
522 Unblock the given contacts or groups (messages will be received again).
523 This change is only local but can be synchronized to other devices by using `sendContacts` (see below).
524
525 [CONTACT [CONTACT ...]]::
526 Specify the phone numbers of contacts that should be unblocked.
527
528 *-g* [GROUP [GROUP ...]], *--group-id* [GROUP [GROUP ...]]::
529 Specify the group IDs that should be unblocked in base64 encoding.
530
531 === sendContacts
532
533 Send a synchronization message with the local contacts list to all linked devices.
534 This command should only be used if this is the master device.
535
536 === sendSyncRequest
537
538 Send a synchronization request message to the master device (for group, contacts, ...).
539 The master device will respond with synchronization messages with full contact and group lists.
540
541 === uploadStickerPack
542
543 Upload a new sticker pack, consisting of a manifest file and the sticker images.
544 Images must conform to the following specification: (see https://support.signal.org/hc/en-us/articles/360031836512-Stickers#sticker_reqs )
545
546 - Static stickers in PNG or WebP format
547 - Animated stickers in APNG format,
548 - Maximum file size for a sticker file is 300KiB
549 - Image resolution of 512 x 512 px
550
551 The required manifest.json has the following format:
552
553 [source,json]
554 ----
555 {
556 "title": "<STICKER_PACK_TITLE>",
557 "author": "<STICKER_PACK_AUTHOR>",
558 "cover": { // Optional cover, by default the first sticker is used as cover
559 "file": "<name of image file, mandatory>",
560 "contentType": "<optional>",
561 "emoji": "<optional>"
562 },
563 "stickers": [
564 {
565 "file": "<name of image file, mandatory>",
566 "contentType": "<optional>",
567 "emoji": "<optional>"
568 }
569 ...
570 ]
571 }
572 ----
573
574 PATH::
575 The path of the manifest.json or a zip file containing the sticker pack you wish to upload.
576
577 === daemon
578
579 signal-cli can run in daemon mode and provides an experimental dbus or JSON-RPC interface.
580 If no `-a` account is given, all local accounts will be exported as separate dbus objects under the same bus name.
581
582 *--dbus*::
583 Export DBus interface on user bus.
584 See signal-cli-dbus (5) for info on the dbus interface.
585
586 *--dbus-system*::
587 Export DBus interface on system bus.
588 See signal-cli-dbus (5) for info on the dbus interface.
589
590 *--socket [SOCKET]*::
591 Export a JSON-RPC interface on a UNIX socket (default $XDG_RUNTIME_DIR/signal-cli/socket).
592 See signal-cli-jsonrpc (5) for info on the JSON-RPC interface.
593
594 *--tcp [HOST:PORT]*::
595 Export a JSON-RPC interface on a TCP socket (default localhost:7583).
596 See signal-cli-jsonrpc (5) for info on the JSON-RPC interface.
597
598 *--ignore-attachments*::
599 Don’t download attachments of received messages.
600
601 *--no-receive-stdout*::
602 Don’t print received messages to stdout.
603
604 *--receive-mode*::
605 Specify when to start receiving messages (on-start, on-connection, manual)
606
607 == Examples
608
609 Register a number (with SMS verification)::
610 signal-cli -a ACCOUNT register
611
612 Verify the number using the code received via SMS or voice::
613 signal-cli -a ACCOUNT verify CODE
614
615 Send a message to one or more recipients::
616 signal-cli -a ACCOUNT send -m "This is a message" [RECIPIENT [RECIPIENT ...]] [-a [ATTACHMENT [ATTACHMENT ...]]]
617
618 Pipe the message content from another process::
619 uname -a | signal-cli -a ACCOUNT send --message-from-stdin [RECIPIENT [RECIPIENT ...]]
620
621 Create a group::
622 signal-cli -a ACCOUNT updateGroup -n "Group name" -m [MEMBER [MEMBER ...]]
623
624 Add member to a group::
625 signal-cli -a ACCOUNT updateGroup -g GROUP_ID -m "NEW_MEMBER"
626
627 Accept a group invitation::
628 signal-cli -a ACCOUNT updateGroup -g GROUP_ID
629
630 Leave a group::
631 signal-cli -a ACCOUNT quitGroup -g GROUP_ID
632
633 Send a message to a group::
634 signal-cli -a ACCOUNT send -m "This is a message" -g GROUP_ID
635
636 Trust new key, after having verified it::
637 signal-cli -a ACCOUNT trust -v SAFETY_NUMBER NUMBER
638
639 Trust new key, without having verified it. Only use this if you don't care about security::
640 signal-cli -a ACCOUNT trust -a NUMBER
641
642 == Exit codes
643
644 * *1*: Error is probably caused and fixable by the user
645 * *2*: Some unexpected error
646 * *3*: Server or IO error
647 * *4*: Sending failed due to untrusted key
648
649 == Files
650
651 The password and cryptographic keys are created when registering and stored in the current users home directory, the directory can be changed with *--config*:
652
653 `$XDG_DATA_HOME/signal-cli/` (`$HOME/.local/share/signal-cli/`)
654
655 == Authors
656
657 Maintained by AsamK <asamk@gmx.de>, who is assisted by other open source contributors.
658 For more information about signal-cli development, see
659 <https://github.com/AsamK/signal-cli>.