1 Wed Mar 14 20:37:35 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
3 * Added new SILC_CF_LAG_STRICT command flag that strictly forces
4 that the command may be executed only once in (about) 2 seconds.
5 The old SILC_CF_LAG flag is same but allows command bursts up
6 to five before limiting.
8 Added the support for CF_LAG and CF_LAG_STRICT flags to the
9 server code. Various commands now includes the CF_LAG_STRICT
10 flag to disallow any kind of miss-use of the command.
12 Wed Mar 14 16:10:30 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
14 * Changed the format of AdminConnection configuration section
15 in the server. Added username of the admin to the format.
16 Affected files silcd/serverconfig.[ch].
18 Added silc_server_config_find_admin into silcd/serverconfig.[ch]
19 to return admin configuration data by host, username and/or
22 Wed Mar 14 13:18:16 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
24 * Implemented WHOWAS command to the server. Added the functions:
26 silc_server_command_whowas_parse,
27 silc_server_command_whowas_send_reply,
28 silc_server_command_whowas_from_client and
29 silc_server_command_whowas_from_server
31 * Added <Client ID> argument to the WHOWAS command reply. Updated
32 the protocol specs accordingly.
34 * Implemented WHOWAS command and command_reply to the client
37 Implemented the WHOWAS printing on the user interface.
39 Tue Mar 13 22:17:34 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
41 * Added new argument to the WHOWAS command reply, the real name.
42 It is an optional argument. Updated the protocol specs.
44 * Added SilcIDCacheDestructor callback that is registered when
45 the SilcIDCache is allocated. The callback is called when
46 an cache entry in the ID Cache expires, or is purged from the
47 cache. Added into lib/silccore/idcache.[ch].
49 Added silc_idlist_client_destructor to the silcd/idlist.[ch]
50 to destruct the client entries when the cache entry expires.
51 Other ID Cache's in server and in the client library ignores
54 * If the ID Cache entry's `expire' field is zero then the entry
55 never expires. Added boolean `expire' argument to the
56 silc_idcache_add function in the lib/silccore/idcache.[ch].
57 If it is TRUE the default expiry value is used.
59 * Added silc_server_free_client_data_timeout that is registered
60 when client disconnects. By default for 5 minutes we preserve
61 the client entry for history - for WHOWAS command.
63 Tue Mar 13 13:26:18 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
65 * Added support to the server to enforce that commands are not
66 executed more than once in 2 seconds. If server receives
67 commands from client more frequently, timeout is registered
68 to process the commands. Affected file silcd/command.c.
69 Added new function silc_server_command_process_timeout.
71 * Changed NICK_NOTIFY handling in client library to check that
72 if the client's nickname was changed, so there is no need to
73 resolve anything from the server.
75 * Removed error printing from the WHOIS and IDENTIFY commands.
76 If error occurs then it is ignored silently in the client library.
77 The application, however, may map the received error to
78 human readable error string. The application currently maps
79 the NO_SUCH_NICKNAME error to string.
81 * Made the command status message public to the application. Moved
82 them from lib/silcclient/command_reply.c to
83 lib/silcclient/command_reply.h. The application can map the
84 received command status to the string with the
85 silc_client_command_status_message function.
87 * Added check to the server to check that client's ID is same
88 as the Source ID in the packet the client sent. They must
91 Tue Mar 13 12:49:21 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
93 * Added dist-bzip hook to the Makefile.am to make bzip2
94 compressed distributions.
96 Mon Mar 12 18:43:38 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
98 * Server now enforces the maximum length for the nickname and
99 the channel as protocol specification dictates. 128 bytes for
100 nickname and 256 bytes for channel name.
102 * Moved the WHOIS printing to the application. The client libary
103 does not print out the WHOIS information anymore, the application
104 must do it. Renamed silc_client_command_reply_whois_print to
105 the silc_client_command_reply_whois_save.
107 The client's idle time is also sent to the application now, and
108 the idle is shown on screen.
110 * Added silc_client_command_reply_identify_save to save the
111 received IDENTIFY entries.
113 * Do not check for channel private keys in message sending and
114 reception if the channel does not have the PRIVKEY mode set.
115 Affected file lib/silclient/client_channel.c.
117 Sun Mar 11 20:25:06 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
119 * Fixed a minor bug if WHOIS and IDENTIFY command parsing that
120 just surfaced after chaning the JOIN procedure.
122 Sun Mar 11 14:59:05 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
124 * Added silc_client_get_clients_by_list to get client entries
125 from Client ID list, that is returned for example by JOIN
126 and USERS command replies. The application should use this
127 function for example when JOIN command reply is received to
128 resolve the clients already on the channel (library does not
129 do that anymore as USERS command reply is not used in the JOIN
130 procedure anymore). Affected files lib/silcclient/silcapi.h and
131 lib/silcclient/idlist.c.
133 * JOIN command reply and USERS command reply returns now SilcBuffer
134 pointers instead of unsigned char pointers when returning
135 the client list and mode list.
137 * Added <Client ID> argument to the JOIN command reply, mainly
138 for the server to identify for which client the command was
139 originally sent. Updated protocol specs accordingly.
141 * Added SilcDlist private_key pointer to the SilcChannelEntry
142 in the client to support the channel private keys. Affected
143 file is lib/silcclient/idlist.h.
145 * Added SilcChannelPrivateKey argument to the function
146 silc_client_send_channel_message so that application can choose
147 to use specific private ke if it wants to. If it is not provided,
148 the normal channel key is used, unless private keys are set.
149 In this case the first (key that was added first) is used
150 as the encryption key.
152 * Implemented the support for channel private key handling.
153 Implemented the following functions:
155 silc_client_add_channel_private_key,
156 silc_client_del_channel_private_keys,
157 silc_client_del_channel_private_key,
158 silc_client_list_channel_private_keys and
159 silc_client_free_channel_private_keys
161 Affected file lib/silcclient/client_channel.c.
163 * Added the support for the private keys in the channel message
164 sending and encryption and in the message reception and
165 decryption. Affected funtions are
166 silc_client_send_channel_message and silc_client_channel_message.
168 Sat Mar 10 21:36:22 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
170 * Added SKE's key verify callback to the client library's
171 KE protocol context. Affected files lib/silcclient/protocol.[ch].
173 * Removed the statement that server (or router) must send USERS
174 command reply when joining to the channel so that the client
175 knows who are on the channel. Instead, the client list and
176 client's mode list is now sent in the JOIN command reply to the
177 client who joined channel. This is better solution.
179 * Added function silc_server_get_users_on_channel and function
180 silc_server_save_users_on_channel to the silcd/server.[ch].
182 * Removed function silc_server_command_send_users from the
185 * Do not show topic on the client library anymore. The topic is
186 sent in the command reply notify to the application and the
187 application must show the topic now.
189 Sat Mar 10 00:07:37 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
191 * Added client searching by nickname hash into the IDENTIFY and
192 WHOIS commands in the server as they were clearly missing from
193 them. Affected file is silcd/command.c.
195 * Fixed a bug in private message receiving in the client library.
196 The remote ID was freed and it wasn't supposed, now it is
199 Fri Mar 9 12:40:42 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
201 * Minor fix to the channel payload; allocate the data area, as it
202 needs to be of specific length.
204 * If the key agreement port is zero then the operating
205 system will define the bound port. Affected files are
206 lib/silcclient/silcapi.h and lib/silcclient/client_keyagr.c.
208 * Added new function silc_channel_payload_decrypt into the file
209 lib/silccore/silcchannel.[ch].
211 * Moved the channel message etc, check from silc_packet_decrypt
212 to applications. The library calls now a generic
213 SilcPacketCheckDecrypt callback which is to return TRUE or FALSE
214 when the packet is either normal or special. This was done to
215 allow more wide range of checking that was not allowed when
216 the code was in library. Now applications can do virtually any
217 checks to the packet and return to the library the decision how
218 the packet should be processed. Affected files are
219 lib/silccore/silcpacket.[ch].
221 Added silc_server_packet_decrypt_check to the server and
222 silc_client_packet_decrypt_check to the client library.
224 * Added silc_server_packet_send_srcdest into silcd/packet_send.[ch]
225 to send with specified source and destination information.
227 * Channel message delivery between routers was broken after the
228 channel key distribution was fixed earlier. The channel key
229 was used be to distributed to other routers as well which is not
230 allowed by the protocol. Now this is fixed and channel keys
231 really are cell specific and the channel message delivery between
232 routers comply with the protocol specification.
234 * Fixed various commands in server to check also the global list
235 for the channel entry and not just the local list. The affected
236 file silcd/command.c.
238 Thu Mar 8 21:39:03 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
240 * Added assert()s to buffer formatting and unformatting routines
241 to assert (if --enable-debug) when error occurs. Affected
242 file: lib/silcutil/silcbuffmt.c.
244 * Changed to auto-reconnect to check whether the remote host is
245 router and register the re-connect timeout if it is. It used
246 to check that whether we are normal server, but router must do
247 auto-reconnect with another router as well. Affected file
250 * Removed the [<key len>] option from CMODE command as the cipher
251 name decides the key length, nowadays. See the defined ciphers
252 from the protocol specification.
254 * Added [<hmac>] option to the CMODE command to define the HMAC
255 for the channel. Added SILC_CMODE_HMAC channel mode.
257 * Added [<hmac>] option for the JOIN command so that user can
258 select which HMAC is used to compute the MACs of the channel
261 * Added Hmac field to the Channel Message Payload. The integrity
262 of plaintext channel messages are now protected by computing
263 MAC of the message and attaching the MAC to the payload. The
264 MAC is encrypted. Now, it is clear that this causes some
265 overhead to the size of the packet but rationale for this is that
266 now the receiver can verify whether the channel message decrypted
267 correctly and also when private keys are set for the channel the
268 receiver can decrypt the packet with several keys and check from
269 the MAC which key decrypted the message correctly.
271 * Added silc_cipher_encrypt and silc_cipher_decrypt into the
272 lib/silccrypt/silccipher.[ch].
274 * Added silc_hash_len to return the digest length into the
275 lib/silcrypt/silchash.[ch].
277 * Rewrote parts of Silc Channel Payload interface in the
278 lib/silccore/silcchannel.[ch]. The encode function now also
279 encrypts the packet and parse function decrypts it.
281 Wed Mar 7 20:58:50 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
283 * Fixed a minor formatting bug in the SKE's key material processing.
284 It actually might have processed the keys wrong way resulting
287 * Redefined the mandatory HMAC algorithms and added new algorithms.
288 Added hmac-sha1-96 and hmac-md5-96 which are normal hmac-sha1
289 and hmac-md5 truncated to 96 bits. The mandatory is now
290 hmac-sha1-96. Rest are optional (including the one that used
291 to be mandatory). Rationale for this is that the truncated HMAC
292 length is sufficient from security point of view and can actually
293 make the attack against the HMAC harder. Also, the truncated
294 HMAC causes less overhead to the packets. See the RFC2104 for
297 * Added new [hmac] configuration section. The SKE used to use
298 the hash names (md5 and sha1) in the SKE proposal as HMCAS which
299 is of course wrong. The official names that must be proposed in
300 the SKE are the ones defined in the protocol specification
301 (hmac-sha1-96 for example). The user can configure any hmac
302 using any hash function configured in the [hash] section. At
303 least, the mandatory must be configured.
305 Rewrote the HMAC interface in lib/silccrypt/silchmac.[ch].
307 * Added HMAC list to the SKE proposal list. It has now both
308 hash algorithm list and HMAC list. This makes the protocol
309 incompatible with previous versions. The SKE now seems to work
310 the way it is supposed to work, for the first time actually.
312 * Defined plain Hash algorithms to the protocol specification.
315 Tue Mar 6 15:36:11 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
317 * Implemented support for key agreement packets into the server.
318 Added functions silc_server_key_agreement and
319 silc_server_send_key_agreement. Other than these functions,
320 server has nothing to do with this packet.
322 * Added support for private message key packets into the server.
323 Added functions silc_server_private_message_key and
324 silc_server_send_private_message_key.
328 * Changed the silc_[client|server]_protocol_ke_set_keys to be
329 called in the protocol's final callback instead in the END
330 protocol state. This makes a little more sense and in the same
331 time in client we can use the same protocol routines for normal
332 key exchange and to key agreement packet handling as well.
334 * Added to both client's and server's KE protocol context the
335 SilcSKEKeyMaterial pointer to save the key material. We will
336 bring the key material to the protocol's final callback by doing
337 this. The final callback must free the key material.
339 * Added SKE's packet_send callback into client's KE protocol
340 context so that the caller can choose what packet sending function
341 is used. This way we can use different packet sending when
342 doing normal SKE when doing key agreement packet handling (in
343 the key agreement packet handling we do not want to encrypt
346 * Implemented the responder side of the key agreement routines
347 in the client. The client can now bind to specified port and
348 accept incoming key negotiation. The key material is passed
349 to the application after the protocol is over.
351 * Implemented the processing of incoming Key Agreement packet
352 in the client. Added function silc_client_key_agreement to
355 * Implemented the intiator side of the key agreement routines
356 in the client. The client can now initiate key agreement with
357 another remote client. The key material is passed to the
358 application after the protocol is over.
360 * Created client_keyagr.c to include all the key agreement
363 * Added macro SILC_TASK_CALLBACK_GLOBAL which is equal to the
364 SILC_TASK_CALLBACK except that it is not static.
366 * Created client_notify.c and moved the Notify packet handling
367 from the client.[ch] into that file.
369 * Created client_prvmsg.c and moved all private message and
370 private message key routines from the client.[ch] into that file.
372 * Create client_channel.c and moved all channel message and
373 channel private key routines from the client.[ch] into that file.
375 * Changed silc_client_get_client_by_id_resolve to resolve with
376 WHOIS command instead of IDENTIFY command, in the file
377 lib/silclient/idlist.c.
379 Mon Mar 5 18:39:49 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
381 * Implemented the SKE's responder side to the Client library.
383 * When FAILURE is received to the protocol do not trust it
384 blindly. Register a timeout to wait whether the remote closes
385 the connection as it should do it, only after that process the
386 actual failure. This was changed to both client and server.
388 * Added client_internal.h to include some of the structures
389 there instead of client.h in lib/silcclient/.
391 * Added function silc_task_unregister_by_callback to unregister
392 timeouts by the callback function.
394 Sat Mar 3 19:15:43 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
396 * Some "Incomplete WHOIS info" errors has been appearing on the
397 log files. Took away the entry->userinfo check from WHOIS
398 reply sending. The entry->userinfo is now " " if client did not
399 provide one. I thought this was fixed earlier but something
400 is wrong still. Let's see if the error still appears.
402 Wed Feb 28 20:56:29 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
404 * Fixed a minor bug in the login when the channel key is
405 re-generated in the server. It used to generate the key in
406 wrong order and thus caused problems in the channel traffic.
408 * Fixed a minor bug in channel key distsribution after
409 KICK command. The key was not sent to the router even though
412 Tue Feb 27 20:24:25 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
414 * Added silc_ske_process_key_material_data as generic routine
415 to process any key material as the SILC protocol dictates. The
416 function is used by the actual SKE library but can be used by
417 applications as well. This relates to the private message keys
418 and the channel private keys since they must be processed the
419 same way the normal SILC session keys. The protocol dictates
420 this. Affected files: lib/silcske/silcske.[ch].
422 Added also silc_ske_free_key_material to free the
423 SilcSKEKeyMaterial structure.
425 * Defined silc_cipher_set_key function to set the key for
426 cipher without using the object's method function. The affected
427 files: lib/silccrypt/silccipher.[ch].
429 * Implemented silc silc_client_add_private_message_key,
430 silc_client_add_private_message_key_ske,
431 silc_client_del_private_message_key,
432 silc_client_list_private_message_keys and
433 silc_client_free_private_message_keys functions in the
436 Added functions silc_client_send_private_message_key to send
437 the Private Message Key payload and silc_client_private_message_key
438 to handle incoming Private Message Key payload.
440 * Added Cipher field to the Private Message Key payload to set
441 the cipher to be used. If ignored, the default cipher defined
442 in the SILC protocol (aes-256-cbc) is used.
444 Tue Feb 27 13:30:52 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
446 * Removed lib/silcclient/ops.h file.
448 Redefined parts of the SILC Client Library API. Created new
449 file silcapi.h that deprecates the ops.h file and defines the
450 published Client Library API. Defined also private message key
451 API and channel private key API into the file.
453 This is the file that the application must include from the
454 SILC Client Library. Other files need not be included by
455 the application anymore.
457 * Added new key_agreement client operation callback and also
458 defined the Key Agreement library API for the application.
460 Tue Feb 27 11:28:31 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
462 * Added new packet type: SILC_PACKET_KEY_AGREEMENT. This packet
463 is used by clients to request key negotiation between another
464 client in the SILC network. If the negotiation is started it
465 is performed using the SKE protocol. The result of the
466 negotiation, the secret key material, can be used for example
467 as private message key.
469 Implemented the Key Agreement payload into the files
470 lib/silccore/silauth.[ch].
472 Mon Feb 26 12:13:58 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
474 * Redefined ciphers for the SILC protocol. Added some new ciphers
475 and defined the key lengths for the algorithms. Changed the
476 code accordingly. The default key length is now 256 bits.
478 * Fixed SKE key distribution function silc_ske_process_key_material
479 when the key length is more than 128 bits. The default key
480 length in SILC is now 256 bits.
482 * Added new command status type: SILC_STATUS_ERR_UNKOWN_ALGORITHM
483 to indicate unsupported algorithm.
485 * Renamed rijndael.c to aes.c and all functions as well.
487 * Fixed a long standing channel key setting bug in client library.
488 Weird that it has never surfaced before.
490 * Fixed bug in channel deletion. If the entire channel is removed
491 then it must also delete the references of the channel entry
492 from the client's channel list as the client's channel entry and
493 the channel's client entry share same memory.
495 Sun Feb 25 20:47:29 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
497 * Implemented CONNECT and SHUTDOWN commands in the client.
499 * Implemented CLOSE command to the client.
501 * Added the function silc_idlist_find_server_by_name into the
502 files silcd/idlist.[ch].
504 Added the function silc_idlist_find_server_by_conn into the
505 files silcd/idlist.[ch].
507 Sat Feb 24 23:45:49 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
509 * DIE command was renamed to SHUTDOWN. Updated the both code
512 * Defined SILC_UMODE_NONE, SILC_UMODE_SERVER_OPERATOR and
513 SILC_UMODE_ROUTER_OPERATOR modes into lib/silccore/silcmode.h.
515 * Implemented CONNECT, CLOSE and SHUTDOWN commands to the server
518 * Added function silc_server_create_connection function to create
519 connection to remote router. My server implementation actually
520 does not allow router to connect to normal server (it expects
521 that normal server always initiates the connection to the router)
522 so the CONNECT command is only good for connecting to another
525 Sat Feb 24 16:03:45 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
527 * Added SILC_NOTIFY_TYPE_KICKED to indicate that the client
528 or some other client was kicked from the channel.
530 Implemented the handling of the notify type to both client
533 Implemented silc_server_send_notify_kicked to send the KICKED
534 notify. It is used to send it to the server's primary router.
536 * Implemented the KICK command into server and client.
538 * Added `query' argument to the silc_idlist_get_client function
539 to indicate whether to query the client from server or not if
542 * Added new command status type SILC_STATUS_ERR_NO_CHANNEL_FOPRIV
543 to indicate that the client is not channel founder.
547 Sat Feb 24 00:00:55 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
549 * Removed the rng context from SilcPacketContext structure and
550 changed that the packet routine uses the Global RNG API.
552 Fri Feb 23 11:22:57 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
554 * Added support for quit message that client can "leave" on the
555 channel when it quits the SILC. It is ditributed inside the
556 SILC_NOTIFY_TYPE_SIGNOFF notify type.
558 Added silc_server_free_client_data that will take the
559 signoff message as argument.
561 * Changed SKE routines to use the silc_pkcs_sign/verify routines.
563 Thu Feb 22 23:05:36 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
565 * Updated parts of the protocol specification to keep it up
568 Thu Feb 22 15:08:20 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
570 * Added List flag (SILC_PACKET_FLAG_LIST) to indicate list of
571 payloads in one packet.
573 * Deprecated following packet types: NEW_ID_LIST, NEW_CHANNEL_LIST,
574 NEW_CHANNEL_USER_LIST, SET_MODE and SET_MODE_LIST. List packets
575 use now the new List flag.
577 * Also deprecated the following packet types: REPLACE_ID,
578 NEW_CHANNEL_USER and REMOVE_CHANNEL_USER packet types.
580 * Added list support for Notify packet in server.
582 * Added silc_server_send_notify_channel_change to send the
583 CHANNEL_CHANGE notify type to replace channel ID's. Deprecates
584 the silc_server_send_replace_id.
586 * Added silc_server_send_notify_nick_change to send the
587 NICK_CHANGE notify type. Deprecates the function
588 silc_server_send_replace_id.
590 * Added silc_server_send_notify_join to send the JOIN notify type.
591 Deprecates the function silc_server_send_new_channel_user.
593 * Added silc_server_send_notify_leave to send LEAVE notify type.
594 Deprecates the function silc_server_send_remove_channel_user.
596 * Added silc_server_send_notify_cmode and
597 silc_server_send_notify_cumode to send CMODE and CUMODE notify
598 types. Deprecates the silc_server_send_set_mode function.
600 * Added SERVER_SIGNOFF notify type to indicate that server has
601 quit. This means that all clients on the channel from that
602 server will drop. This can be also used when netsplit happens.
604 Deprecated REMOVE_ID packet type since it is not needed anymore
607 Added silc_server_send_notify_server_signoff to send the
608 SERVER_SIGNOFF notify type. Deprecates the function
609 silc_server_send_remove_id.
611 Added also silc_server_send_notify_signoff to send the
614 * Employed the PKCS #1. It is the mandatory way to do RSA in the
615 SILC protocol from this day on. Changed the protocol
616 specification as well.
618 * Added silc_server_send_notify_topic_set to send TOPIC_SET
619 notify type. It is used between routers to notify about
620 topic changes on a channel.
622 * Added silc_id_dup into lib/silccore/id.[ch] to duplicate
625 * Partly updated the protocol specification to comply with the
626 changes now made. It is still though a bit outdated.
628 * The JOIN notify type now takes one extra argument <Channel ID>.
629 The packet used to be destined to the channel but now the
630 JOIN type may be sent as list thus it is impossible to
631 destine it to any specific channel. By adding this argument
632 it is again possible.
634 Wed Feb 21 22:39:30 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
636 * Added CREDITS file. The CHANGES and CREDITS file will appear
637 in the distribution as well.
639 Wed Feb 21 14:17:04 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
641 * Implemented CMODE_CHANGE, CUMODE_CHANGE and TOPIC_SET notify
642 types in the server's silcd/packet_receive.c.
644 * Implemented CMODE and CUMODE to work in router environment.
646 * Fixed minor encoding and decoding buglet from the
647 lib/silccore/silcmode.c.
649 * Fixed buffer overflow from lib/silcclient/command.c in USERS
652 Wed Feb 21 12:44:00 EET 2001 Mika Boström <bostik@lut.fi>
654 * Changed all SilcConfigServer* and silc_config_server* to
655 SilcServerConfig* and silc_server_config*, respectively.
658 Wed Feb 21 00:10:00 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
660 * Associated the ID (client or server ID) to the Authentication
661 Payload to avoid any possibility of forging. Updated the
662 protocol specification and the code accordingly.
664 Tue Feb 20 14:14:14 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
666 * The RSA key length is now save to the RsaKey context in the
667 key generation process in lib/silccrypt/rsa.c. The key length
668 is now used to figure out the maximum size of the block allowed
669 to be encrypted/signed.
671 * Added silc_mp_mp2bin_noalloc into lib/silcmath/mpbin.[ch]. It
672 is equivalent to the silc_mp_mp2bin but does not allocate any
675 * Changed silc_mp_mp2bin API to take length argument. If it is
676 non-zero then the buffer is allocated that large. If zero, then
677 the size is approximated using silc_mp_sizeinbase, which however
680 * Created Global RNG API which is global RNG that application can
681 initialize. After initializing, any routine anywhere in the
682 code (including library) can use RNG without allocating a new
683 RNG object. This was done to allow this sort of use of the
684 RNG in code that has no chance to allocate RNG object. All
685 applications currently allocate this and many routines in the
686 library use this. Affected file lib/silccrypt/silcrng.[ch].
688 * Removed the RNG kludge from lib/silcmath/primegen.c and changed
689 it to use the Global RNG API.
691 * Defined Authentication Payload into protocol specification that
692 is used during SILC session to authenticate entities. It is
693 used for example by client to authenticate itself to the server
694 to obtain server operator privileges.
696 Implemented this payload into the lib/silccore/silcauth.[ch].
697 Implemented also routines for public key based authentication
698 as the new protocol specification dictates.
700 Moved definitions of different authentication methods from
701 lib/silccore/silcprotocol.h into lib/silccore/silcauth.h.
703 * Added silc_pkcs_encrypt, silc_pkcs_decrypt, silc_pkcs_sign,
704 silc_pkcs_verify and silc_pkcs_sign_with_hash and
705 silc_pkcs_verify_with_hash functions into the file
706 lib/silccrypt/silcpkcs.[ch].
708 Mon Feb 19 19:59:28 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
710 * The client entry's userinfo pointer must be always valid.
711 Otherwise the [<unknown>] bug will surface beacuse the WHOIS
712 will fail since it requires the userinfo. Now, the userinfo
713 is allocated as "" if actual userinfo does not exist. Actually,
714 it must exist and it is totally Ok to drop client connections
715 that does not announce the userinfo. However, we will make
716 this workaround for now.
718 * Added silc_net_get_remote_port into lib/silcutil/silcnet.[ch]
719 to return the remote port by socket.
721 Mon Feb 19 14:26:49 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
723 * Changed SILC_SERVER_COMMAND_EXEC_PENDING macro to the name
724 SILC_SERVER_PENDING_EXEC and added an new macro
725 SILC_SERVER_PENDING_DESTRUCTOR which is called to free the
726 data or when error occurs while processing the pending command.
728 Added new argument `destructor' into silc_server_command_pending
729 and to the SilcServerCommandPending object. This destructor is
730 now called after calling the pending callback or if error occurs
731 immediately. If error occurs the actual pending callback won't
732 be called at all - only the destructor. The destructor may be
733 NULL if destructor is not needed.
735 All this applies for client library code as well. Similar
736 changes were made there as well for the pending commands.
738 In the client, the application must now allocate the
739 SilcClientCommandContext with the silc_client_command_alloc
742 * Added reference counter to the SilcServerCommandContext. Added
743 function silc_server_command_alloc and silc_server_command_dup
746 Same type of functions added to the client library for the same
749 * Removed the cmd_ident from IDListData away since it is now
750 global for all connections. It is the command identifier used
751 in command sending and with pending commands. The affected file
754 * Added reference counter to the SilcSocketConnection objecet to
755 indicate the usage count of the object. The object won't be
756 freed untill the reference counter hits zero. Currently only
757 server uses this, and client ignores it. The client must be
758 set to use this too later. The affected files are
759 lib/silccore/silcsockconn.[ch]. Added also the function
760 silc_socket_dup to increase the reference counter.
762 This was mainly added because it is possible that the socket
763 is removed underneath of pending command or other async
764 operation. Now it won't be free'd and proper DISCONNECTING
765 flags, etc. can be set to avoid sending data to connection that
766 is not valid anymore.
768 * Added SILC_SET_DISCONNECTING to server.c when EOF is read from
769 the connection. After that it sets SILC_SET_DISCONNECTED.
770 It is, however, possible that the socket data is not still freed.
771 The silc_server_packet_process now checks that data is not
772 read or written to connection that is DISCONNECTED. The socket
773 get's freed when the reference counter hits zero.
775 Mon Feb 19 00:50:57 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
777 * Changed the client operation API: channel_message operation's
778 `sender' is now the client entry of the sender, not the nickname
779 and the `channel' is the channel entry, not the channel name.
781 In the private_message operation the `sender' is now also the
782 client entry of the sender not the nickname.
784 Affected file is lib/silcclient/ops.h and all applications
785 using the client operations.
787 Sat Feb 17 22:11:50 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
789 * Moved the calling of ops->connect() from connect_to_server_final
790 into receive_new_id functin since that is the point when the
791 client is actually allowed to send traffic to network. The
792 affected file is lib/silcclient/client.c.
794 Sat Feb 17 13:15:35 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
796 * When receiving NEW_CHANNEL_LIST, NEW_CHANNEL_USER_LIST,
797 NEW_ID_LIST and SET_MODE_LIST packets, broadcast the list packet
798 (if needs broadcasting) instead of broadcasting the packets one
799 by one which would make a burst in the network traffic.
801 * Added `broadcast' argument to the functions in silcd/server.[ch]
802 silc_server_create_new_channel[_with_id] to indicate whether
803 to send New Channel packet to primary router.
805 Sat Feb 17 01:06:44 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
807 * Added new function into the silcd/server.[ch] files:
808 silc_server_create_new_channel_with_id to create new channel with
809 already existing Channel ID.
811 * Added new packet type SILC_PACKET_SET_MODE_LIST into the file
812 lib/silccore/silcpacket.h. This packet is used t send list of
813 Set Mode payloads inside one packet. Server uses this to set
814 the modes for the channels and clients on those channels, that it
815 announced to the router when it connected to it. The protocol
816 specification has been updated accordingly.
818 * The silc_server_new_channel did not handle the packet coming
819 from normal server as it normally does not send that. However,
820 when it announces its channels it does send it. Implemented
821 the support for that.
823 * Added SILC_ID_CHANNEL_COMPARE macro to compare to Channel ID's
824 into the file lib/silccore/id.h.
826 Fri Feb 16 23:57:29 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
828 * Fixed memory leaks in the functions silc_idlist_del_client,
829 silc_idlist_del_channel and silc_idlist_del_server in the file
830 silcd/idlist.c. All of those leaked like a sieve.
832 * Fixed some small memory leaks in the client's function
833 silc_client_notify_by_server.
835 * Added functions into silcd/server.c: silc_server_announce_clients,
836 silc_server_announce_channels and silc_server_announce_server.
837 These functions are used by normal and router server to announce
838 to its primary router about clients, channels and servers (when
839 router) that we own. This is done after we've connected to the
842 These functions effectively implements the following packet types:
843 SILC_PACKET_NEW_CHANNEL_LIST, SILC_PACKET_NEW_CHANNEL_USER_LIST
844 and SILC_PACKET_NEW_ID_LIST.
846 * Added new functions into the silcd/packet_receive.[ch]:
847 silc_server_new_id_list, silc_server_new_channel_list and
848 silc_server_new_channel_user_list to handle the incoming
849 NEW_ID_LIST, NEW_CHANNEL_LIST and NEW_CHANNEL_USER_LIST packets.
851 * Added support of changing Channel ID in the function
852 silc_server_replace_id. If the server that announces a channel
853 to the router already exists in the router (with same name but
854 with different Channel ID), router is responsible to send
855 Replace ID packet to the server and force the server to change
856 the Channel ID to the one router has.
858 * Added new notify type SILC_NOTIFY_TYPE_CHANNEL_CHANGE to notify
859 client that the Channel ID has been changed by the router. The
860 normal server sends this to the client. Client must start using
861 the new Channel ID as the channel's ID.
863 Implemented handling of this new type into lib/silcclient/client.c
864 into the function silc_client_notify_by_server.
866 * Added new function silc_idlist_replace_channel_id into the files
867 silcd/idlist.[ch] to replace the Channel ID.
869 Fri Feb 16 14:14:00 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
871 * Call silc_server_command_identify_check always when processing
872 the IDENTIFY command in silcd/command.c
874 Thu Feb 15 20:07:37 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
876 * Added new packet type SILC_PACKET_HEARTBEAT that is used to
877 send keepalive packets. The packet can be sent by clients,
880 Added function silc_socket_set_heartbeat into the file
881 lib/silccore/silcsockconn.[ch] to set the heartbeat timeout.
882 If not set, the heartbeat is not performed. The actual
883 heartbeat is implemented in the low level socket connection
884 library. However, application is responsible of actually
887 Added silc_server_send_heartbeat to send the actual heartbeat
888 packet into silcd/packet_send.[ch]. Server now performs
889 keepalive with all connections.
891 * Added silc_task_get_first function into lib/silcutil/silctask.c
892 to return the timeout task with shortest timeout. There was a bug
893 in task unregistration that caused problems. TODO has been
894 updated to include that task system must be rewritten.
896 * The client library will now resolve the client information when
897 receiving JOIN notify from server for client that we know but
898 have incomplete information.
900 * Rewrote parts of silc_server_remove_from_channels and
901 silc_server_remove_from_one_channel as they did not remove the
902 channel in some circumstances even though they should've.
904 * Encryption problem encountered in server:
906 The LEAVE command used to send the Channel Key packet to the
907 router immediately after generating it. However, the code
908 had earlier sent Remove Channel user packet but not immediately,
909 ie. it was put to queue. The order of packets in the router
910 was that Channel Key packet was first and Remove Channel User
911 packet was second, even though they were encrypted in the
912 reverse order. For this reason, MAC check failed. Now, this
913 is fixed by not sending the Channel Key packet immediately but
914 putting it to queue. However, this is more fundamental problem:
915 packets that are in queue should actually not be encrypted
916 because packets that are sent immediately gets encrypted
917 actually with wrong IV (and thus MAC check fails). So, packets
918 that are in queue should be encrypted when they are sent to
919 the wire and not when they put to the queue.
921 However, the problem is that the current system has not been
922 designed to work that way. Instead, the packet is encrypted
923 as soon as possible and left to the queue. The queue is then
924 just purged into wire. There won't be any fixes for this
925 any time soon. So, the current semantic for packet sending
928 o If you send packet to remote host and do not force the send
929 (the packet will be in queue) then all subsequent packets to the
930 same remote host must also be put to the queue. Only after the
931 queue has been purged is it safe again to force the packet
934 o If you send all packets immediately then it safe to send
935 any of subsequent packets through the queue, however, after
936 the first packet is put to queue then any subsequent packets
937 must also be put to the queue.
939 Follow these rules and everything works fine.
941 Thu Feb 15 14:24:32 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
943 * Added new function silc_server_remove_clients_by_server to
944 remove all client entries from ID list when the server connection
945 is lost. In this case it is also important to invalidate all
946 client entires as they hold the invalid server entry. This
947 fixes fatal bug when server has lost connection and will reconnect
950 Wed Feb 14 16:03:25 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
952 * Made some sanity checks to silc_server_daemonise like to check
953 whether the requested user and group actually exists.
955 * Added sanity check to SKE's silc_ske_responder_finish to check
956 that the public and private key actually is valid.
958 * Invalidate the client's nickname when receiving Replace ID
959 packet and the Client ID is being replaced. This means that the
960 server will query the nickname if someone needs it (client)
963 * Sort the ID Cache in client library when the ID Cache data
964 has changed (needs sorting).
966 * Do not allow for SILC client to create several connections to
967 several servers. The client does not support windows right now
968 and generating multiple connections causes weird behaviour.
970 Irssi-silc client does support windows and can handle several
971 connections without problems, see: www.irssi.org and SILC plugin.
973 * Fixed some places where client was added to the IDList. The
974 rule of thumb is following (in order to get everything right):
975 If the client is directly connected local client then the
976 `connection' argument must be set and `router' argument must be
977 NULL to silc_idlist_add_client function. If the client is not
978 directly connected client then the `router' argument must
979 bet set and the `connection' argument must be NULL to the
980 silc_idlist_add_client function.
982 * The funtion silc_server_packet_send_local_channel actually did
983 not check whether the client was locally connected or not. It
984 does that now. Fixed a bug related to LEAVE command.
986 * Fixed Remove Channel User payload parsing bug in server's
987 silcd/packet_receive.c. Fixed a bug related to LEAVE command.
989 * The server's silc_server_save_channel_key now checks also the
990 global ID list for the channel as it might not be in the local
991 list. Fixed a bug related to LEAVE command.
993 * Is this the end of the [<unknown>] buglet that has been lurking
994 around for a long time? A little for loop fix in server's
995 silc_server_command_whois_parse that is used by both IDENTIFY
996 and WHOIS command. At least, this was a clear bug and a cause
997 of one type of [<unknown>] buglet.
999 * WHOIS and IDENTIFY commands call the function
1000 silc_server_command_[whois/identify]_check function even if
1001 we are not router server.
1003 Tue Feb 13 19:55:59 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
1005 * Added --with-gmp configuration option. If set the GMP
1006 is always compiled in the SILC source tree. If not set then
1007 it is checked whether the system has the GMP3 installed. If
1008 it has then the GMP won't be compiled (the system's headers
1009 and library is used), if it doesn't have it then the GMP is
1010 compiled in the SILC source tree.
1012 Mon Feb 12 11:20:32 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
1014 * Changed RSA private exponent generation to what PKCS #1
1015 suggests. We try to find the smallest possible d by doing
1016 modinv(e, lcm(phi)) instead of modinv(e, phi). Note: this is
1017 not security fix but optimization.
1019 Sun Feb 11 18:19:51 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
1021 * Added new config entry [Identity] to fork the server and run
1022 it as specific user and group. A patch from Bostik.
1024 * Imported Dotconf configuration library into lib/dotconf.
1025 This will be used to create the SILC configuration files later.
1026 It will appear in the distsribution after this commit.
1028 Sat Feb 10 21:13:45 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
1030 * A big code auditing weekend happening. Auditing code for
1031 obvious mistakes, bugs and errors. Also, removing any code
1034 Removed files for being obsolete:
1036 o lib/silcutil/silcbuffer.c (the buffer interface is entirely in
1037 inline in the file lib/silcutil/silcbuffer.h)
1039 o lib/silcutil/silcbufutil.c (the header has inline versions)
1041 Changed code to fix possible error conditions:
1043 o The buffer formatting routines now check that the destination
1044 buffer really has enough space to add the data. This applies for
1045 both buffer formatting and unformatting
1046 (lib/silcutil/silcbuffmt.[ch]). Also, the entire buffer
1047 unformatting was changed to accomodate following rules:
1048 XXX_*STRING_ALLOC will allocate space for the data into the pointer
1049 sent to the function while XXX_*STRING will not allocate or copy
1050 the data into the buffer. Instead it sets the pointer from the
1051 buffer into the pointer sent as argument (XXX_*STRING used to
1052 require that the pointer must be allocated already). This change
1053 makes this whole thing a bit more consistent and more optimized
1054 (note that the data returned in the unformatting with XXX_*STRING
1055 must not be freed now). The routines return now -1 on error.
1057 o Tried to find all code that use buffer_format and buffer_unformat
1058 and added return value checking to prevent formatting and
1059 especially unformatting errors and possible subsequent fatal
1062 o Changed ske->x and ske->KEY to mallocated pointers in
1063 lib/silcske/silcske.h. Fixed possible data and memory leak.
1065 o Added return value checking to all *_parse* functions. Fixed
1066 many memory leaks as well.
1068 o Added length argument to silc_id_str2id in lib/silccore/id.[ch]
1069 so that buffer overflows would not happen. All code now also
1070 checks the return value as it can fail.
1072 Mon Feb 5 20:08:30 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
1074 * Added reconnection support to server if the normal server looses
1075 its connection to the router (for example if router is rebooted).
1076 The server performs normal reconnection strategy implemented
1077 to the server. Affected file silcd/server.c.
1079 Sun Feb 4 13:18:32 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
1081 * Added new packet type SILC_PACKET_SET_MODE that is used to
1082 distribute the information about changed modes (for clients,
1083 channels and clients channel modes) to all routers in the
1084 network. Updated the protocol specification accordingly.
1086 Added functions into silcd/packet_send.c and
1087 silcd/packet_receive.c: silc_server_send_set_mode,
1088 silc_server_set_mode.
1090 Added new files silcmode.[ch] into lib/silccore that implements
1091 the encoding and decoding of Set Mode Payload. Added new type
1092 SilcSetModePayload. Moved the definitions of different modes
1093 from lib/silccore/silcchannel.h into lib/silccore/silcmode.h.
1095 Sat Feb 3 15:44:54 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
1097 * Oops, a little mistake in server's connection authentication
1098 protocol. The protocol is not ended with FAILURE but with
1099 SUCCESS if the authentication is Ok. :) Affected file is
1102 * Implemented NICK_CHANGE notify handling in server in the file
1103 silcd/packet_receive.c The NICK_CHANGE notify is distributed to
1104 the local clients on the channel. After the changing nickname
1105 in router environment snhould work and the [<unknown>] nickname
1106 should appear no more.
1108 The silc_server_replace_id function that receives the Replace ID
1109 payload now sends the NICK_CHANGE notify type also in the file
1110 silcd/packet_receive.c
1112 * Changed WHOIS and IDENTIFY command to support the maximum amount
1113 of arguments defined in protocol specs (3328 arguments). This
1114 fixed a bug that caused problems when there were more than three
1117 Fri Feb 2 11:42:56 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
1119 * Added extra parameter, command identifier, to the
1120 silc_client_send_command so that explicit command identifier
1123 Changed that ID list routines uses specific command identifier
1124 when sending WHOIS/IDENTIFY requests to the server so that they
1125 can be identified when the reply comes back.
1127 Affected files lib/silcclient/command.[ch],
1128 lib/silcclient/client.c and lib/silcclient/idlist.[ch].
1130 * Added `sender' argument to silc_server_packet_send_to_channel
1131 to indicaet the sender who originally sent the packet to us
1132 that we are now re-sending. Ignored if NULL. Affected file
1133 silcd/packet_send.[ch].
1135 * Added some server statistics support in silcd/server_internal.h
1136 SilcServerStatistics structure and around the server code. Also
1137 send some nice statistics information when client is connecting
1140 Thu Feb 1 23:31:21 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
1142 * Fixed channel ID decoding in server's JOIN command reply in
1143 silcd/command_reply.c
1145 * Fixed braodcasting of replace ID payload to not to send it if
1146 we are standalone server in silcd/packet_receive.c.
1148 * Fixed all channel message sending routines to not to send
1149 packets to clients that has router set, since they are routed
1150 separately in the same function earlier. Affects file
1151 silcd/packet_send.c and all channel packet sending functions.
1153 * In USERS reply, res_argv[i] are not allocated, the table
1154 is allocated. Thus changed that free the table, not its
1157 * In server's whois_check and identify_check if the client is
1158 locally connected do not send any WHOIS commands - they are not
1161 Thu Feb 1 21:32:27 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
1163 * Fixed some minor bugs in client when sending WHOIS command. The
1164 arguments was in wrong order.
1166 * Removed statis function add_to_channel from server in
1167 silcd/command.c that was previously used with the joining but
1170 * Tested USERS command in router environment successfully with two
1171 routers, two servers and two clients.
1173 Thu Feb 1 00:54:26 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
1175 * Reorganized the USERS command and command reply in client library
1176 in lib/silcclient/command.c and lib/silcclient/command_reply.c.
1177 When the command is given by user we register a pending command
1178 callback that will reprocess the command after the reply has been
1179 received from the server. When reprocessing the packet we then
1180 display the information. Thus, the USERS information is displayed
1181 now in the command callback instead of in the command reply
1182 callback. The processing of the command is same as previously
1183 when server has sent the command reply in the JOINing process.
1185 * Added to USERS command in silcd/command_reply.c to join the client,
1186 we didn't use to know about, to the channel after we've created
1187 a client entry for it. Also, for clienet we did know already still
1188 check whether it is on the channel or not and add it if not.
1190 * Removed silc_server_command_join_notify as the function and its
1193 Tue Jan 30 22:39:15 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
1195 * Changed the client's pending command handling to the same as the
1196 server's pending command handling. It is also now possible to
1197 execute command reply functions from other command reply
1198 function as the function callbacks for commands and command
1199 replies are one and same. The pending commands are not static
1200 list anymore, it is mallocated SilcDList in lib/silcclient/client.h
1201 in client connection context. Thus, pending commands are server
1202 connection specific as it is convenient.
1204 Changed the function silc_client_command_pending and
1205 silc_client_command_pending_del and added new function
1206 silc_client_command_pending_check. Removed the
1207 SILC_CLIENT_CMD_REPLY_EXEC, and SILC_CLIENT_PENDING_COMMAND_CHECK
1210 * Added cmd_ident, current command identifier, to the client
1211 connection context in lib/silcclient/client.h to keep track on
1212 command identifiers used in command sending. Client's command reply
1213 function handling now supports the mandatory command identifiers.
1215 * Added SILC_CLIENT_COMMAND_EXEC_PENDING macros to all command reply
1216 funtions in client to fully support pending command callbacks.
1218 * NOTE: the name_list in USERS (old NAMES) command is NOT sent anymore
1219 as one of the arguments to the application in the command reply
1222 * NOTE: The FORWARDED flag is depracated. It used to be depracated
1223 before first releasing SILC but came back. Now it is removed again
1224 and should come back nomore. The FORWARDED flag was used only
1225 by the JOINing procedure by forwarding the command packet to router.
1226 Now, the JOINing procedure has been changed to more generic (due
1227 to various router environment issues) and FORWARDED is not needed
1228 anymore for anything. The protocol specification is yet to be
1231 Now, removed silc_server_packet_forward from server and the flag
1232 SILC_PACKET_FORWARDED from lib/silccore/silcpacket.h.
1234 Tue Jan 30 00:05:05 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
1236 * Renamed NAMES command to USERS command. The NAMES was named that
1237 due to historical reasons. Now it is renamed. Also, rewrote
1238 parts of the USERS command. The nickname list is not sent anymore
1239 by the server. Only Client ID and mode lists are sent in the USERS
1240 command. Changed this also to the protocol specification.
1242 The client now resolves the names and stuff after it receives
1243 the USERS list from the server when joining to the channel.
1245 * WHOIS and IDENTIFY commands has been changed to support multiple
1246 Client ID's per command. One can now search for multiple users
1247 in the network by sending only one WHOIS or IDENTIFY command.
1248 Changed the code and the protocol specifications.
1250 * Removed silc_server_command_identify_parse and changed that IDENTIFY
1251 uses silc_server_command_whois_parse to parse the request. */
1253 * If normal server, do not parse the WHOIS and IDENTIFY requests
1254 before sending it to the router. Saves some time.
1256 Sun Jan 28 16:19:49 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
1258 * Fixed JOIN command on client library. Wrong number of arguments
1259 used to crash the client.
1261 * Added silc_server_channel_has_global function to check whether
1262 channel has global users or not.
1264 * Added silc_server_channel_has_local function to check whether channel
1265 has locally connected clients on the channel.
1267 * The silc_server_remove_from_one_channel now checks whether the
1268 channel has global users or not after given client was removed from
1269 the channel. It also checks whether the channel has local clients
1270 on the channel anymore. If it does not have then the channel entry
1271 is removed as it is not needed anymore.
1273 * The silc_server_notify now checks on JOIN notify whether the joining
1274 client is one of locally connected or global. If it is global then
1275 the channel has now global users on the channel and that is marked
1276 to the channel entry. Also, it now saves the global client to
1277 global list who is joining and JOINs it to the channel. This is
1278 for normal server, that is.
1280 Changed silc_server_send_notify_on_channel,
1281 silc_server_packet_relay_to_channel and
1282 silc_server_packet_send_to_channel check if we are normal server
1283 and client has router set (ie. global client) do not send the
1284 message to that client, as it is already routed to our router.
1286 * Implemented LEAVE notify type handling in silc_server_notify
1289 * Tested LEAVE command in router environment successfully. Tested
1290 with two routers, two servers and two clients.
1294 * idlist_find_xxx_by_id routines now dumps the ID on the debug mode.
1296 * Implemented SIGNOFF notify type handling in silc_server_notify
1299 * silc_server_remove_id now removes the client entry from all channels
1300 it has joined and thusly sends SIGNOFF notify type.
1302 * Rewrote the NAMES list generation in server by removing two excess
1303 loops. The lists are created now inside one loop.
1305 Sat Jan 27 22:34:56 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
1307 * silc_server_remove_channel_user checks now also global list
1308 for channel and client.
1310 * silc_server_new_channel_user checks now both local and global
1311 list for channel and client. Fixed a bug in client id decoding.
1312 Used to decode wrong buffer.
1314 * silc_server_channel_message checks now both local and global
1315 list for channel entry.
1317 * Tested channel joining (hence JOIN) in router environment
1318 successfully. Tested with two routers, two servers and two
1321 * Tested channel message sending in router environment successfully.
1323 Thu Jan 11 03:22:57 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
1325 * Added silc_server_save_channel_key into server.[ch] to save the
1326 received channel key in Channel Key payload processing. It is
1327 also used in JOIN command reply handling.
1329 Equivalent function silc_client_save_channel_key added into
1330 client.[ch] into client library.
1332 * Changed JOIN command reply to send information whether the channel
1333 was created or not (is existing already) and the channel key
1334 payload. Changed protocol specs accordingly.
1336 * Fixed bugs in WHOIS and IDENTIFY command reply sending when
1337 the request was sent by ID and not by nickname. Crashed on
1340 Sat Dec 23 21:55:07 EET 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
1342 * Fixed a bug in Client library. IDENTIFY and WHOIS reply functions
1343 now correctly save the received data.
1345 * silc_server_free_sock_user_data now notifies routers in the
1346 network about entities leaving the network.
1348 At the same time implemented functions silc_server_remove_id
1349 and silc_server_send_remove_id to receive and send REMOVE_ID
1350 packets. The packet is used to notify routers in the network
1351 about leaving entities. The ID removed will become invalid in
1354 * Added function silc_idlist_del_server into server. Removes and
1355 free's server entry from ID list.
1357 * silc_server_private_message function now checks, if we are router,
1358 that the destination ID really is valid ID, naturally.
1360 * In router when NEW_ID packet is received (for new client) the
1361 hash of the Client ID is saved in the ID Cache but the
1362 client->nickname is set to NULL, instead of putting the hash
1365 IDENTIFY command now also checks that client->nickname must be
1366 valid. If it is not if will request the data from the server who
1367 owns the client. Added new function
1368 silc_server_command_identify_check.
1370 * Added silc_command_set_command into lib/silccore/silcommand.[ch]
1371 to set the command to already allocated Command Payload.
1373 * Tested private message sending in router environment with two
1374 routers, two servers and two clients. Fixed minor bugs and now
1377 * Fixed segfault from client's NAMES command. Used to crash if
1380 * Forwarded packets must not be routed even if it is not destined
1381 to the receiver. Changed server code comply with this.
1383 Sun Dec 17 14:40:08 EET 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
1385 * Added `require_reverse_mapping' boolean value to ServerParams
1386 structure. If TRUE (not default) the server will require that
1387 the connecting host has fully qualified domain name.
1389 If the reverse mapping is not required and hostname could not be
1390 found the IP address is used as hostname.
1392 Sat Dec 16 17:39:54 EET 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
1394 * Implemented version string checking to both client and server.
1395 The check is incomplete currently due to the abnormal version
1396 strings used in development version of SILC.
1398 * Changed all command functions in server to use the new
1401 Fri Dec 15 15:55:12 EET 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
1403 * Changed char *data to unsigned char *data in ID Cache system to
1404 support binary data as ID Cache data. Changed code to support
1405 binary data in lib/silccore/idcache.c.
1407 * Renamed silc_server_packet_relay_command_reply to
1408 silc_server_command_reply as it is normal packet receiving
1409 function. Rewrote the function to accept command replys for
1410 servers and not only for clients.
1412 * Mark remote router always as registered server if we are connecting
1413 to it. Otherwise, commands sent by the router to us are ignored.
1415 * All ID List find routines now returns the ID Cache Entry pointer
1416 as well if requested.
1418 * WHOIS command works now in router environment, tested with two
1419 routers, two servers and two clients.
1421 * Cleaned up and rewrote IDENTIFY command. IDENTIFY should work now
1422 in router environment (as it is almost equivalent to WHOIS) but
1423 hasn't been tested thoroughly. Added new functions:
1425 silc_server_command_identify_parse
1426 silc_server_command_identify_send_reply
1427 silc_server_command_identify_from_client
1428 silc_server_command_identify_from_server
1430 * Disabled route cache adding because adding two different ID's with
1431 same IP replaces the old cache entry thus giving wrong route.
1432 The entry->router->connection is always the fastest route anyway
1433 so route cache may not be needed. Of course, new routes maybe
1434 established after receiving the ID when the entry->router->connection
1435 might not be anymore the most optimal.
1437 Thu Dec 14 15:55:35 EET 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
1439 * Add route cache for received ID for fast routing.
1441 * Added silc_server_packet_route to route received packet on router
1442 that is not destined to us.
1444 * Renamed silc_server_get_route to silc_server_route_get.
1446 * Added id_string and id_string_len fields into SilcServer to
1447 include encoded ServerID for fast comparing without excess
1448 encoding of the ID's.
1450 * Cleaned up WHOIS command on server side. Added following static
1453 silc_server_command_whois_parse
1454 silc_server_command_whois_check
1455 silc_server_command_whois_send_reply
1456 silc_server_command_whois_from_client
1457 silc_server_command_whois_from_server
1459 * Added macro SILC_SERVER_COMMAND_CHECK_ARGC to check mandatory
1460 arguments in command replies. All command functions should be
1461 updated to use this macro.
1463 Sun Dec 10 23:52:00 EET 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
1465 * Minor typo fixes on command reply handling on server.
1467 Tue Nov 28 11:05:39 EET 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
1469 * Added silc_server_command_add_to_channel internal routine to add
1470 the client to the channel after router has created the channel and
1471 sent command reply to the server.
1473 * Added generic silc_server_send_command to send any command from
1476 * Use static buffer with ID rendering instead of duplicating data.
1478 Mon Nov 27 21:39:40 EET 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
1480 * Fixed a channel user mode bug when joining to a channel server gave
1481 everybody channel founder rights, oops.
1483 * We mark ourselves as the router of the incoming server connection
1484 if we are router ourselves. This way we can check in some packet
1485 sending functions whether it is locally connected server. For
1486 incoming router connections we put NULL.
1488 * For router sending packets locally means now always sending the
1489 packet cell wide; to local clients and local servers. For normal
1490 server sending packet locally means sending it to only local
1493 * Fixed the JOIN command to really work in router environment. If the
1494 channel is created it is always created by the router. Router is
1495 also responsible of making the initial joining to the channel,
1496 sending JOIN notify to the sending server and distributing
1497 NEW_CHANNEL and NEW_CHANNEL_USER packets. Hence, if the channel
1498 does not exist server doesn't do anything else but forward the
1499 command to the router which performs everything.
1501 * Added silc_server_send_channel_key function to send the Channel Key
1504 * Added silc_server_create_channel_key to create new channel key. The
1505 channel key is now re-generated everytime someone joins or leaves
1506 a channel, as protocol dictates. Note: channel->key_len is the
1509 Wed Nov 22 22:14:19 EET 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
1511 * Splitted server.[ch] finally. Created now packet_send.[ch] and
1512 packet_receive.[ch] to separate packet sending and receiving
1513 routines. The server.[ch] now includes everything else including
1514 actual packet processing (writing and reading data) and other
1517 Renamed silc_server_private_message_send_internal to
1518 silc_server_send_private_message. The routine is still though
1519 used only to relay private messages as server does not send
1520 private messages itself.
1522 Renamed silc_server_new_channel to silc_server_create_new_channel
1523 and added new function sicl_server_new_channel that handles the
1524 incoming New Channel packet. Added also new sending function
1525 silc_server_send_new_channel to send New Channel Payload.
1527 * Added new function silc_server_notify to process incoming notify
1528 packet to the server/router. Server may then relay the notify
1529 to clients if needed.
1531 * Added new function silc_server_new_channel_user to process incoming
1532 New Channel User packet. Router will redistribute the packet and
1533 send JOIN notify to its local clients and locally connected servers
1534 if needed. Normal server will send JOIN notify to its local client
1535 on same channel when received this packet. Added also corresponding
1536 sending function silc_server_send_new_channel_user to sent the
1539 * Added boolean route argument to send_notif_to_channel and
1540 packet_send_to_channel functions to attempt to route the packet
1541 if it is TRUE and send only locally if it is FALSE.
1543 Tue Nov 21 19:49:31 EET 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
1545 * silc_server_replace_id now broadcasts the received replace ID
1546 packet if it is not broadcast packet already. The router must
1547 broadcast to inform other routers about changed ID.
1549 * Added backpointer to server's router into SilcServer context in
1550 silcd/server_internal.h.
1552 * Fixed silc_server_packet_broadcast to send correct broadcast
1555 * The channel key is now distributed to the local client as soon
1556 as it is received from the router (in router environment) so that
1557 no other packet may be sent for the channel until client has
1560 * silc_server_remove_channel_user now broadcasts the received
1561 Remove Channel User packet if it is not broadcast packet already.
1562 The router must broadcast to inform other routers about removed
1565 * Added users field into SilcPacketContext that is a reference count
1566 of the context. One can increase the reference count by calling
1567 silc_packet_context_dup which is now changed to just increase the
1568 reference count instead of duplicating the data. The reference
1569 count is decresed by calling silc_packet_context_free that will
1570 free the data after the reference count hits zero.
1572 For now on the packet context and everything allocated into it
1573 (including the raw packet from network) must be freed by calling
1574 the new silc_packet_context_free function. Added also new function
1575 silc_packet_context_alloc that must be used now to allocate the
1576 context. This also means that if a routine is asynchronous from
1577 silc_[client/server]_packet_parse_type the packet context must
1578 be duplicated by calling silc_packet_context_dup. Otherwise it
1579 gets free'd after silc_[client/server]_packet_parse_type returns.
1580 Also, one must remember that if packet is duplicated then its
1581 reference count must be decresed by calling the free function as
1582 many times as it was duplicated.
1584 * Changed SilcBuffer field from protocol contexts to SilcPacketContext
1585 from both client and server.
1587 Mon Nov 20 23:47:03 EET 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
1589 * Made joining to a channel working in router environment.
1591 * Cleaned up JOIN command on server side and create function
1592 silc_server_command_join_channel internal routine to make the
1595 Thu Nov 9 21:12:39 EET 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
1597 * Changed silc_command_pending list to SilcDList. Also, added
1598 `ident' field to SilcServerCommandPending structure to identify
1599 the reply and to call correct callback.
1601 Added silc_server_command_pending_check function to replace the
1602 corresnponding macro. The silc_command_pending list is not
1605 * Added silc_command_set_ident into lib/silccore/silccommand.[ch]
1606 to set identifier to previously allocated Command Payload. It
1607 is used to set identifier for command when resending Command
1610 * Added silc_command_payload_encode_payload to encode Command
1611 Payload buffer from SilcCommandPayload structure.
1613 * Added silc_argument_payload_encode_payload to encode Argument
1614 payload buffer from SilcArgumentPayload structure.
1616 Wed Nov 8 21:03:28 EET 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
1618 * Changed WHOIS command to support router connection on server side.
1619 The whois request is always sent to router unless the server is
1620 standalone server. After server has received the reply from the
1621 router will it send the reply to the client.
1623 * Added silc_server_packet_broadcast into silcd/server.[ch] to
1624 broadcast received broadcast packet. The function is used only
1625 by router. The broadcast packet is always sent to the router's
1628 * Added silc_id_render function in lib/silcutil/silcutil.[ch] to
1629 render given ID to printable string, for log files for example.
1631 Tue Nov 7 22:14:19 EET 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
1633 * Made basic router to router connections working. At least they
1634 can now connect to each other but nothing really works the way
1635 they are supposed - yet.
1637 * Added new initiator token to RouterConnection configuration
1638 file in silcd/serverconfig.[ch]. It is used to tell whether we
1639 are the initiator to the remote router or whether we'll expect
1640 the other end to connect.
1642 * Moved registering of listener task to silc_server_init, hence
1643 the server starts listenning as soon as it is run, even if it
1644 does not have connections to other routers. Let's see how well
1647 * Changed default connection retry timeouts for more suitable in
1650 * Removed cipher and such arguments from silc_idlist_add_client
1651 and silc_idlist_add_server prototypes from silcd/idlist.[ch].
1652 Added new function silc_idlist_add_data to add the keys and stuff
1655 * Added SilcIDListData structure and added it to SilcClientEntry
1656 and SilcServerEntry as their first field in the structure. This
1657 way we can explicitly cast the ID entries to the SilcIDListData
1658 structure and get common data for the entries. In past, we had
1659 to first check what type of connection it is and then cast it to
1660 correct ID entry type. Now, we can directly cast the opaque
1661 pointer to the SilcIDListData (no matter what ID entry it actually
1662 is) and get the data needed.
1664 Mon Nov 6 21:56:12 EET 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
1666 * Wow, found a bug in scheduler. The scheduler uninitialized itself
1667 in some circumstances even if threre were timeout tasks, though not
1668 IO tasks, but tasks anyway. Now fixed.
1670 * Defined SilcServerConnection structure to hold connection specific
1671 stuff about directly connected servers and routers. The definition
1672 is currently in silcd/server_internal.h. I thought about having
1673 a bit more important role fro this struct but for now it is used
1674 only when connecting to other server (or router actually).
1676 * Added connecting retry support in server when connecting to
1677 router(s). The retry feature implement exponential backoff
1678 algorithm. Also, added SilcServerParams structure to hold default
1679 parameters for server. For now, it include these retry settings
1680 and are hard coded. After server is moded to be as Silc Server
1681 Library this structure will be more important.
1683 Sun Nov 5 22:28:44 EET 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
1685 * Changed client librarys channel->clients table to SilcList and
1686 changed code accordingly.
1688 Thu Nov 2 16:28:01 EET 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
1690 * Changed client's channel table to SilcList and changed code
1691 accordingly. Also changed SilcChannelClientEntry to include back-
1692 pointer to the channel so that client entry can use that structure
1693 as list as well and we have fast cross-reference to the channel.
1694 This change dramatically decreased the complexity of channel
1695 handling with client entry and vice versa (removed one extra
1696 loop when searching for channel entry from many functions).
1698 * Changed server->sim from table to SilcDList and changed code
1701 * NAMES command can now be used from user interface. It will show
1702 the user list on the channel, neatly.
1704 * Added realname pointer to SilcClientEntry in lib/silcclient/idlist.h.
1705 Code now saves realname of the user if it becomes available.
1707 * Renamed configure.in to configure.in.pre and made ./prepare
1708 script to automatically add correct version string to
1709 configure.in which it creates from configure.in.pre.
1711 Wed Nov 1 17:21:26 EET 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
1713 * NAMES command reply now shows users mode with the nickname when
1716 * Moved silc_client_ch[u]mode[_char] functions from
1717 silc/clientutil.[ch] to lib/silcclient/client.[ch]. Though, that
1718 place sucks, they are utility functions and should be in some
1721 * Fixed some unsigned int's to unsigned short's. Patch by cras.
1723 * Fixed contrib/getopt*.[ch] to not require config.h. Patch by
1726 Tue Oct 31 20:10:37 EET 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
1730 * Added TRQ (efficient deque and list library) into lib/trq. This is
1731 a very good list library that is currently used in the SILC. Defined
1732 SilcList API over the library because I didn't like the API very
1733 much. See lib/trq/silclist.h for the API and examples of how to
1734 use the API. Fixed various places in the code to use the new
1735 SilcList API. The SilcList is meant for lists that has a structure
1736 already defined as a list. It is not suitable to add just some
1737 context to the list (in TRQ, the context is the list actually).
1739 So, I defined SilcDList that can be used for the purpose where
1740 predefined list structure does not exit. This can be used as
1741 such list. Now some context just can be added to the SilcDList.
1742 Currently this list is not used in the SILC just yet, though there
1743 are a lot places where this can replace dynamically allocated
1744 tables and I will fix these places, later, to use SilcDList.
1745 See lib/trq/silcdlist.h for SilcDList (they are all inline functions,
1746 and use TRQ internally).
1748 Also fixed some annoying warning messages that the original TRQ
1749 code generated. Also minor changes to TRQ's Makefile.in.
1751 * Added support for querying by Client ID to both WHOIS and
1752 IDENTIFY commands into server, as required by the protocol.
1754 * Removed method function pointers from SilcBuffer structure. They
1755 weren't used to anything and just increased the context size for
1756 no good reason. This change also made silc_buffer_alloc and
1757 silc_buffer_free functions inline functions.
1759 * Disabled command flooding detection support until it's fixed so
1760 that it accepts commands in but does not execute them more than once
1763 * Added silc_net_localhost(), to return local hostname, into
1764 lib/silcutil/silcnet.[ch]. Also added client->hostname pointer
1765 that must be initialized before calling silc_client_init.
1767 * Added new function: silc_server_send_notify_on_channels to send
1768 notify messages to all channels client has joined. It is assured
1769 that the message is sent only once per client.
1771 * Moved silc_log_format (from lib/silcutil/silclog.[ch] into
1772 lib/silcutil/silcutil.[ch] as silc_format function. The new
1773 function is generic and is used by server as well, not only by
1774 the logging routines.
1776 * Added new SKE status type: SILC_SKE_STATUS_BAD_VERSION to indicate
1777 the provided version string was not acceptable. Added new function:
1778 silc_ske_check_version into lib/silcske/silcske.h. The function
1779 must be implemented by the application (client or server) and it
1780 does not reside in the SKE library. The function checks the version
1781 string remote end sent.
1783 * Added back pointers (to opaque context and to SilcSocketConnection)
1784 into SilcPacketContext structure into lib/silccore/silcpacket.h.
1786 * Added silc_packet_context_dup into lib/silccore/silcpacket.[ch] to
1787 duplicate packet context structure.
1789 * Changed `notify' client operation to send same arguments as client
1790 receives from server except for ID's. ID's are mapped to correct
1791 ID entry and that is returned. Also, if channel entry is not sent
1792 by server but the notify is for channel the channel entry is sent
1793 to application (otherwise application doesn't know that it is for
1794 channel (library gets it from packet's Destination ID)).
1796 * Added silc_client_remove_from_channels into client library to
1797 remove a client from all channels it has joined to. Used when
1798 received SIGNOFF notify from server. Added also new function
1799 silc_client_replace_from_channels to replace old ID entry with
1800 new ID entry on all channels. Used when received NICK_CHANGE
1803 * Fixed ID Cache list handling in silc_idlist_get_client in
1804 lib/silcclient/idlist.c. Also, added silc_idlist_get_client_by_id
1805 to get (or query) client by ID.
1807 * Updated TODO list.
1809 * Added connection authentication status message defined by the
1810 protocol: SILC_CONN_AUTH_OK and SILC_CONN_AUTH_FAILED and added the
1811 support for these into the code in client and server side.
1813 * Added generic function silc_client_send_command to send any command
1814 with variable argument list. Application should use this function
1815 to send commands if the command functions provided by the library
1816 does not suite for the application's user interface needs.
1818 * Added new `failure' client operation. Application is notified about
1819 received failure packet if client is executing a protocol. In this
1820 case the protocol's execution has failed.
1822 * Added SKE's end notify to send the SKE_SUCCESS notify message that
1823 is required by the protocol.
1825 * Added SILC_PROTOCOL_STATE_FAILURE to indicate received failure
1826 packet from remote. SILC_PROTOCOL_STATE_ERROR indicates local
1829 * Added status flag to SilcSKE object to indicate realtime status
1830 of the SKE protocol.
1832 * Application receives now exactly same command reply arguments as
1833 the library receives from server. However, if ID is received the
1834 corresponding ID entry is returned to the application (eg. Client
1835 ID is mapped to correct SilcClientEntry entry and that is returned).
1836 Changed command_reply client operation due to this change.
1838 * Changed all ID's in commands and in command replys as ID Payloads.
1839 Change affected both client and server side codes.
1841 All ID's sent in SILC network (with execption of ID's in SILC
1842 Packet header) are sent in ID Payload to support variable length
1845 * Server now notifies nick changes and notifies all clients on
1846 the channels about the new nickname (about the new Client ID,
1849 * Implemented CMODE command to change channel modes. Supports all
1850 channel modes defined by the protocol specs except ban and invite
1851 lists. (Also, private channel key mode is supported but support for
1852 setting private channel key in client is missing, thus, this mode
1853 has no effect on client side (except that server requires that the
1854 client uses private channel key and normal channel traffic does not
1857 Also, invite mode works per se, but INVITE command does not work
1858 yet correctly, so you can set channel as invite only channel but
1859 inviting clients to the channel does not work (it is yet to be
1860 thought what's the best way to do it).
1862 * Added new command SILC_COMMAND_CUMODE to change user mode on the
1863 channel. Defined user modes: CHANNEL_FOUNDER and CHANNEL_OPERATOR.
1864 Implemented CUMODE command to change user's mode on the channel.
1865 Supports all modes defined by the protocol specs.
1867 * Added NAMES command reply to return users modes on the channel.
1869 * Removed unnecessary and slow ciphers from lib/silccrypt.
1871 * Set SO_KEEPALIVE option to connection sockets by default.
1873 * Added new command reply status: SILC_STATUS_USER_NOT_ON_CHANNEL.
1875 * Added notify types: MOTD, CMODE_CHANGE and CUMODE_CHANGE. Also,
1876 redefined the Notify Payload into protocol specs.
1878 * Added silc_id_payload_parse_id to get ID directly from raw
1881 Mon Oct 9 20:57:02 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
1883 * Changed SILC_COMMAND_IDENTIFY in protocol specification to
1884 accept searching by Client ID as well.
1886 * Added support for LEAVE and SIGNOFF notify types in client library.
1888 * Added silc_id_payload_parse_data into lib/silccore/silcpayload.[ch]
1889 to parse ID Payload from raw data.
1891 Sun Oct 8 19:33:08 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
1893 * Added flags parameter into silc_ske_assemble_security_properties
1894 function in lib/silcske/silcske.[ch].
1896 * Changed notify client operation to fit better for notify messages
1897 sent by server. The notify payload received from server is now
1898 passed to the application (after parsing it to SilcNotifyPayload).
1899 It is application's responsibility to retrieve the arguments
1900 from the payload and show the message the way it wants. The message
1901 sent by server is implementation specific.
1903 * Changed public keys to comply with the protocol specification.
1904 Old public keys are not supported anymore and are not compatible.
1906 * Removed nickname from Channel Payload as the latest draft removed
1907 it. The client must resolve the nickname from the NAMES command
1908 reply received when it joined the channel.
1910 Also, changed all channel_xxxx_payload to channel_payload_xxxx.
1912 Sat Oct 7 21:55:01 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
1914 * Fixed some errors in protocol specification drafts.
1916 * Created lib/silccore/silcnotify.c to implement Notify Payload
1917 encoding and decoding, lib/silccore/silcpayload.[ch] to implement
1918 generic payloads described by protocol specifications. The file
1919 includes implementations for ID Payload and Argument Payload.
1921 * Changed Command Payload implementation to use the new Argument
1922 Payload. Changed command_xxxx_payload to command_payload_xxxx
1923 to comply with SILC coding conventions.
1925 * Added suppport for Argument Payload handling in Notify Payload
1926 implementation as protocol requires it. Added the new support
1927 into server and client lib as well.
1929 Thu Oct 5 21:16:28 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
1931 * Added support for multiple nicknames on same channel. [n] is
1932 added locally to the nickname if there are more than one same
1933 nicknames on the channel.
1935 * Server now sends all nicknames that matched WHOIS request.
1936 Client also shows the list received from server.
1938 * Added TOPIC command to client side. User can now set and show
1939 current topic on channel.
1941 * Added MOTD command to client and server. Also, server sends the
1942 motd when client connects to the server.
1944 * Changed version strings to comply ISO 8601.
1946 Wed Oct 4 23:29:06 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
1948 * Fixed protocol error handling in client library. It should now
1949 cope even if the SKE fails for some reason.
1951 * Made new protocol specification drafts for submitting to IETF.
1953 * Implemented TOPIC command to server in silcd/command.c.
1955 * Added two new notify types into lib/silccore/silcnotify.h:
1956 SILC_NOTIFY_TYPE_NICK_CHANGE and SILC_NOTIFY_TYPE_TOPIC_SET to
1957 notify nickname change and topic setting/change on a channel.
1959 * API change of command_reply operation in client library. The
1960 application gets now the status type received from server as well.
1962 Sat Sep 30 16:57:42 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
1964 * Removed the function just added to lib/silcutil/silcschedule.[ch].
1966 * Cras fixed and optimized the packet handling even further and
1967 it should work now. Minor change to the prototype of function
1968 silc_packet_receive_process in lib/silccore/silcpacket.[ch].
1970 Sat Sep 30 08:48:47 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
1972 * Added new function into lib/silcutil/silcschedule.[ch]:
1973 silc_schedule_with_fd to select() a specified fd. The function
1974 returns after timeout expires or data arrives or goes. The
1975 function is used by packet routines to wait that all data is
1976 received from network.
1978 * Fixed data reading from network in lib/silccore/silcpacket.c.
1979 The code now assures that all data is read from the fd and then
1980 continues packet processing. This was a bug fix since the code
1981 used to drop some data in some circumstances.
1983 * Added new function into lib/silcclient/client.[ch]:
1984 silc_client_start_key_exchange to start key exchange after
1985 connection has been established to server. The code internally
1986 now uses this funtion but its main purpose was to provide it
1987 for applications that perform their own connecting. After
1988 application has created a connection it merely calls this
1989 function to start the key exchange between client and server.
1990 The library takes care of everything else after that.
1992 Updated also lib/silcclient/README to explain the usage of
1995 * Do not send to application information that connection has
1996 been established. Application gets notified it by connect
1999 Thu Sep 28 23:40:19 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
2001 * Applied cras's patch to add silc_schedule_one function. The
2002 function runs scheduler once and returns.
2004 * Fixed the scheduler after cras messed it up. The timeout
2005 handling works now as it's supposed to work.
2007 * Added into lib/silccore/ silcnotify.h to include notify
2008 message types support. Changed silc_server_send_notify*
2009 functions, in server.[ch], to support those new notify types.
2010 Added the support for the notify types into client library,
2011 as well. Added new notify client operation into ops.h in
2014 * Changed silc_server_packet_send_to_channel to send normal
2015 packets instead of just channel message packets. The function
2016 is now used to send the notify packets to channels. It is not
2017 used to send channel message packets anymore, as server never
2020 * Added explicit casting into lib/silcutil/silcbuffmt.c to few
2021 va_arg()s as it seems to require it nowadays. I guess, if SILC
2022 is compiled with older va_arg() the new code should work anyway.
2024 Wed Sep 13 18:10:14 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
2026 * Splitted core library. Core library (lib/silccore) includes
2027 now only SILC protocol specific core (and common) components.
2028 Created new utility library (lib/silcutil) that includes more
2029 generic purpose stuff. The stuff for util library was taken
2030 from the old core library. This was minor and easy split.
2032 * Created SILC Client Library (lib/silcclient) that includes
2033 implementation of the SILC client without user interface. This
2034 was major move from silc/ directory. The code has been changed
2035 so that it is transparent towards the user interface. The
2036 silc/ directory includes now the same user interface as before
2037 and it uses the new client library. Read lib/silcclient/README.
2038 Basicly, the client library performs everything else related
2039 to SILC except user interface handling. Also, configuration
2040 files are considered to be part of user interface and library
2041 does not handle them.
2043 This change also changed a lot of structures, function naming etc.
2044 Most important change was that SilcClientWindow object was
2045 renamed to SilcClientConnection in the client library. Created
2046 also new file lib/silcclient/ops.h. Also added new files
2047 silc/local_command.[ch] and silc/client_ops.[ch].
2049 All these changes were made to make it easier for user interface
2050 designers to create what ever user interface for the SILC client
2053 It is also expected that the server will be moved to lib
2054 directory as well and SILC Server Library will be created;
2055 sometimes in the future.
2057 * Removed Local commands from lib/silccore/silccommand.h as
2058 they are application specific and new client library does not
2059 handle any of those anymore.
2061 * Several functions moved to lib/silcutil/silcutilc.[ch] from
2062 old client implementation in silc/.
2064 * Added support for callback functions in SILC_LOG_* macros.
2065 Application can now set its own callbacks that will be called
2066 instead of using the default functions that will always print
2067 the debug messages to stderr (or stdout). Also, debugging can
2068 now be disabled by setting silc_debug to FALSE and re-enabled by
2069 setting it to TRUE. Note, that logging will still work even
2070 if debugging is disabled.
2072 New functions in lib/silcutil/silclog.[ch]: silc_log_set_callbacks,
2073 silc_log_reset_callbacks, silc_log_set_debug_callbacks and
2074 silc_log_reset_debug_callbacks.
2076 * To enable debugging in silc client one must give now -d
2077 option on command line.
2079 * Changed silc_schedule_init to automatically allocate task queues
2080 if they are not allocated before calling it.
2082 Thu Sep 7 10:49:33 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
2084 * Added GMP 3.1 into math library.
2086 Sun Aug 20 21:27:26 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
2088 * Added SILC_PACKET_REMOVE_CHANNEL_USER to remove a client from
2089 a channel in SILC network. The packet is used by servers and
2090 routers to notify other routers that user has left a channel.
2091 This little feature was missing until now. Added the feature
2092 to protocol specification as well.
2094 Added functions: silc_server_send_remove_channel_user and
2095 silc_server_remove_channel_user into server.[ch].
2097 * Added SILC_PACKET_REKEY and SILC_PACKET_REKEY_DONE into
2098 lib/silccore/silcpacket.h. However, they are not implemented
2101 Sat Aug 19 23:04:16 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
2103 * Fixed joining to a channel and sending channel messages
2104 between server and router. The channel message sending should
2105 now work inside a cell.
2107 Tue Jul 25 20:46:13 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
2109 * Fixed the private message sending between server and router.
2110 The private message sending should now work inside a cell.
2112 * Added silc_server_replace_id into server.[ch] to replace
2113 existing ID in the SILC network.
2115 * Added silc_idlist_find_server_by, silc_idlist_replace_client_id
2116 and silc_idlist_replace_server_id into idlist.[ch] in server.
2118 Mon Jul 24 18:33:31 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
2120 * Fixed the server to server connections. Server can again now
2121 connect to router. Router to router connections probably does
2124 Thu Jul 20 13:15:01 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
2126 * Added dynamic protocol registering support. Now protocols can
2127 registered and unregistered on the fly. Patch by cras.
2129 Wed Jul 19 19:08:46 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
2131 * Added lib/contrib directory to hold routines that some platforms
2132 don't have but are needed by SILC.
2134 * Added getopt.c, getopt1.c and getopt.h from GNU C library
2135 into lin/contrib to provide getopt() and getopt_long() for
2136 those who don't have it.
2138 Tue Jul 18 20:41:20 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
2140 * Added AWAY command to client. When away message is set and
2141 client receives a private message packet the client automatically
2142 replies to the sender with the away message.
2144 * Fixed a bug in lib/silcmath/mpbin.c: silc_mp_mp2bin. This
2145 bug seemed to be the cause of recent problems when compiling
2148 * Added version detection support to SKE protocol specification
2149 and added the new changes to the SKE implementation as well.
2150 There were other minor changes in the SKE protocol as well.
2152 Many changes in lib/silcske/silcske.[ch] and in
2153 lib/silcske/payload.[ch].
2155 * Added ^U functionality, clear input line. Patch from cras.
2157 Mon Jul 17 23:33:26 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
2159 * Mainly small bugfixes on core library. Fixed some debugging
2160 logging and buffer overflow in silclog.c.
2162 * Updated config.sub and config.guess on the distribution tree.
2164 Sat Jul 15 15:33:48 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
2166 * Added command lagging support in server. Client may execute
2167 commands now only once in two seconds.
2169 Thu Jul 13 22:10:21 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
2171 * Optimized packet reception. MAC computation and checking is now
2172 also more optimized. A lot previously duplicated code is now
2173 used as generic by both client and server.
2175 * Fixed key pair generation in clientutil.c
2177 Wed Jul 12 18:28:07 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
2179 * Added into lib/silccore/silcbufutil.[ch] new function;
2180 silc_buffer_realloc.
2182 * Moved generic packet sending/encryption functions to
2183 lib/silccore/silcpacket.[ch] from client and server. Some
2184 rewriting of the functions.
2186 * Moved all generic packet reception/decryption functions to
2187 lib/silccore/silcpacket.[ch] from client and server. The
2188 packet processing is now much cleaner in both client and server.
2189 These were major changes in both client and server.
2191 * Created many common functions in server to do packet sending.
2192 Previously code were duplicated a lot, this has been removed
2195 Tue Jul 11 20:27:26 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
2197 * Rewrote major parts of the ID cache system. Don't know
2198 whether it is better now or not but at least the API is more
2201 * Major rewrite on ID cache stuff on client because of the ID
2202 cache API changes. Added idlist.c to client.
2204 * Also major rewrite on ID cache stuff on server as well.
2205 Major rewrite of idlist.[ch]. SilcXXXList's are now named
2206 SilcXXXEntry's. We won't keep anymore idlist specific pointers
2207 in hand, instead they are all put into the ID cache system now.
2208 All server_idlist_* routines uses ID cache now instead of
2209 traversing its own lists (those lists does not exist anymore).
2210 SilcIDList though still exists. Also, SilcXXXEntry's are
2213 Sun Jul 9 15:19:24 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
2215 * Finally made the SKE implementation compliant to the protocol
2216 specification. All mp integers are now binary encoded as
2217 opposed being HEX encoded.
2219 * Added lib/silcmath/mpbin.[ch]. Encoding mp intergers to and
2222 * Added into lib/silccore/silcutil.[ch] PEM encoding/decoding
2223 functions: silc_[encode/decode]_pem. Also added function
2224 silc_encode_pem_file to PEM encode with newlines ('\n') for
2227 * SILC public keys are now encoded either PEM or binary. Same
2228 option is for private keys as well. By default private keys
2229 are binary encoded and public keys PEM encoded. Silly HEX
2230 encoding were removed.
2232 * Added into lib/silccrypt/silchash.[ch] silc_hash_fingerprint
2233 function to create fingerprints.
2235 * Fixed a bug in SHA1; does not change the original data anymore.
2237 * Partly implemented INFO command on client and server side.
2238 Fixed CLEAR command. Changes to SERVER command; show current
2239 server(s) when giving command without arguments. Added
2240 VERSION command to client.
2242 * Added check to server that unregistered connections cannot
2243 execute commands (unless it is specificly allowed).
2245 Thu Jul 6 18:12:24 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
2247 * Fixed screen refresh.
2249 * Fixed channel joining bug from client. On some circumstances
2250 client tried to join to a channel it had already joined.
2252 * Added public key verification process into client's protocol.c.
2253 The client now verifies the public key from user and saves
2254 it into ~./silc/serverkeys/ directory.
2256 Added into: clientutil.[ch]: silc_client_verify_server_key.
2258 * Changed SKE protocol's silc_ske_initiator_finish function
2259 to accept callback function that verifies the received public
2260 key. Removed old silc_ske_verify_public_key function.
2262 Wed Jul 5 19:19:02 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
2264 * Added into silcpkcs[ch]: silc_pkcs_public_key[_data]_set and
2265 silc_pkcs_private_key[_data]_set.
2267 * Made the password and public authentication more cleaner in
2268 server's protocol.c.
2270 * Removed historic and obsolete protocol `channel_auth' from
2271 both client and server.
2273 * Removed wrong way of sending command status messages from
2274 server to client in server's command.c. The old way violated
2275 protocol specification.
2277 Changes to silccore/silccommand.[ch]: removed
2278 silc_command_encode_status_payload -> not needed anymore,
2279 changed silc_command_encode_payload_va to accept extra
2280 argument on variable argument list. The argument type must
2281 now be provided to the function. Also, added new function:
2282 silc_command_encode_reply_payload_va which is same as
2283 normal command_encode_payload_va except command status type
2284 is provided as extra argument.
2286 Tue Jul 4 18:26:39 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
2288 * Added ~./silc directory handling. The directory includes the
2289 public and private keys for the client.
2291 Added silc_client_check_silc_dir, silc_client_create_identifier
2292 and silc_client_load_keys.
2294 * Implemented SILC protocol compliant public key. Added public
2295 and private key saving to and loading from files.
2297 Added into silcpkcs.[ch]: silc_pkcs_encode_identifier,
2298 silc_pkcs_public_key_encode[_data], silc_pkcs_public_key_decode,
2299 silc_pkcs_private_key_encode[_data], silc_pkcs_private_key_decode,
2300 silc_pkcs_public_key_alloc, silc_pkcs_public_key_free,
2301 silc_pkcs_private_key_alloc and silc_pkcs_private_key_free.
2303 Implemented: silc_pkcs_save_[public/private]_key[_data] and
2304 silc_pkcs_load_[public/private]_key.
2306 Mon Jul 3 18:51:27 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
2308 * Added silc_server_get_route (route.[ch]) to get connection
2309 data for the fastest route for given ID.
2311 * Implemented INVITE command on client and server. The command
2312 were re-defined in the SILC Protocol Specification and the
2313 implementation now complies with the specification.
2315 * Implemented PING command on client and server.
2317 * Implemented NAMES command on client and server. The server side
2318 supports currently only normal server not router server yet.
2319 Some changes to NAMES definition in SILC protocol specification.
2321 Sun Jul 2 18:23:01 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
2323 * Implemented LEAVE command on client and server.
2325 * Previously deprecated SILC_PACKET_FORWARDED flag is now in use
2326 again. This change was made to the protocol as well. Server
2327 should not violate the protocol specification anymore.
2329 Fri Jun 30 14:03:26 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
2331 * Added SOCKS4 and SOCKS5 support to SILC client. SOCKS5
2332 was tested. SOCKS4 was not but should work anyway.
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