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