1 Thu Mar 15 12:46:58 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
3 * Fixed fatal bug in failure packet handling. Server ignored
4 the failure and thus crashed when it came.
8 Wed Mar 14 20:37:35 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
10 * Added new SILC_CF_LAG_STRICT command flag that strictly forces
11 that the command may be executed only once in (about) 2 seconds.
12 The old SILC_CF_LAG flag is same but allows command bursts up
13 to five before limiting.
15 Added the support for CF_LAG and CF_LAG_STRICT flags to the
16 server code. Various commands now includes the CF_LAG_STRICT
17 flag to disallow any kind of miss-use of the command.
19 * Fixed the silc_buffer_unformat to not to allocate any data
20 if the length of the data is zero. It used to allocate the
21 length + 1. Affected file lib/silcutil/silcbuffmt.c.
23 Wed Mar 14 16:10:30 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
25 * Changed the format of AdminConnection configuration section
26 in the server. Added username of the admin to the format.
27 Affected files silcd/serverconfig.[ch].
29 Added silc_server_config_find_admin into silcd/serverconfig.[ch]
30 to return admin configuration data by host, username and/or
33 Wed Mar 14 13:18:16 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
35 * Implemented WHOWAS command to the server. Added the functions:
37 silc_server_command_whowas_parse,
38 silc_server_command_whowas_send_reply,
39 silc_server_command_whowas_from_client and
40 silc_server_command_whowas_from_server
42 * Added <Client ID> argument to the WHOWAS command reply. Updated
43 the protocol specs accordingly.
45 * Implemented WHOWAS command and command_reply to the client
48 Implemented the WHOWAS printing on the user interface.
50 Tue Mar 13 22:17:34 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
52 * Added new argument to the WHOWAS command reply, the real name.
53 It is an optional argument. Updated the protocol specs.
55 * Added SilcIDCacheDestructor callback that is registered when
56 the SilcIDCache is allocated. The callback is called when
57 an cache entry in the ID Cache expires, or is purged from the
58 cache. Added into lib/silccore/idcache.[ch].
60 Added silc_idlist_client_destructor to the silcd/idlist.[ch]
61 to destruct the client entries when the cache entry expires.
62 Other ID Cache's in server and in the client library ignores
65 * If the ID Cache entry's `expire' field is zero then the entry
66 never expires. Added boolean `expire' argument to the
67 silc_idcache_add function in the lib/silccore/idcache.[ch].
68 If it is TRUE the default expiry value is used.
70 * Added silc_server_free_client_data_timeout that is registered
71 when client disconnects. By default for 5 minutes we preserve
72 the client entry for history - for WHOWAS command.
74 Tue Mar 13 13:26:18 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
76 * Added support to the server to enforce that commands are not
77 executed more than once in 2 seconds. If server receives
78 commands from client more frequently, timeout is registered
79 to process the commands. Affected file silcd/command.c.
80 Added new function silc_server_command_process_timeout.
82 * Changed NICK_NOTIFY handling in client library to check that
83 if the client's nickname was changed, so there is no need to
84 resolve anything from the server.
86 * Removed error printing from the WHOIS and IDENTIFY commands.
87 If error occurs then it is ignored silently in the client library.
88 The application, however, may map the received error to
89 human readable error string. The application currently maps
90 the NO_SUCH_NICKNAME error to string.
92 * Made the command status message public to the application. Moved
93 them from lib/silcclient/command_reply.c to
94 lib/silcclient/command_reply.h. The application can map the
95 received command status to the string with the
96 silc_client_command_status_message function.
98 * Added check to the server to check that client's ID is same
99 as the Source ID in the packet the client sent. They must
102 Tue Mar 13 12:49:21 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
104 * Added dist-bzip hook to the Makefile.am to make bzip2
105 compressed distributions.
107 Mon Mar 12 18:43:38 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
109 * Server now enforces the maximum length for the nickname and
110 the channel as protocol specification dictates. 128 bytes for
111 nickname and 256 bytes for channel name.
113 * Moved the WHOIS printing to the application. The client libary
114 does not print out the WHOIS information anymore, the application
115 must do it. Renamed silc_client_command_reply_whois_print to
116 the silc_client_command_reply_whois_save.
118 The client's idle time is also sent to the application now, and
119 the idle is shown on screen.
121 * Added silc_client_command_reply_identify_save to save the
122 received IDENTIFY entries.
124 * Do not check for channel private keys in message sending and
125 reception if the channel does not have the PRIVKEY mode set.
126 Affected file lib/silclient/client_channel.c.
128 Sun Mar 11 20:25:06 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
130 * Fixed a minor bug if WHOIS and IDENTIFY command parsing that
131 just surfaced after chaning the JOIN procedure.
133 Sun Mar 11 14:59:05 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
135 * Added silc_client_get_clients_by_list to get client entries
136 from Client ID list, that is returned for example by JOIN
137 and USERS command replies. The application should use this
138 function for example when JOIN command reply is received to
139 resolve the clients already on the channel (library does not
140 do that anymore as USERS command reply is not used in the JOIN
141 procedure anymore). Affected files lib/silcclient/silcapi.h and
142 lib/silcclient/idlist.c.
144 * JOIN command reply and USERS command reply returns now SilcBuffer
145 pointers instead of unsigned char pointers when returning
146 the client list and mode list.
148 * Added <Client ID> argument to the JOIN command reply, mainly
149 for the server to identify for which client the command was
150 originally sent. Updated protocol specs accordingly.
152 * Added SilcDlist private_key pointer to the SilcChannelEntry
153 in the client to support the channel private keys. Affected
154 file is lib/silcclient/idlist.h.
156 * Added SilcChannelPrivateKey argument to the function
157 silc_client_send_channel_message so that application can choose
158 to use specific private ke if it wants to. If it is not provided,
159 the normal channel key is used, unless private keys are set.
160 In this case the first (key that was added first) is used
161 as the encryption key.
163 * Implemented the support for channel private key handling.
164 Implemented the following functions:
166 silc_client_add_channel_private_key,
167 silc_client_del_channel_private_keys,
168 silc_client_del_channel_private_key,
169 silc_client_list_channel_private_keys and
170 silc_client_free_channel_private_keys
172 Affected file lib/silcclient/client_channel.c.
174 * Added the support for the private keys in the channel message
175 sending and encryption and in the message reception and
176 decryption. Affected funtions are
177 silc_client_send_channel_message and silc_client_channel_message.
179 Sat Mar 10 21:36:22 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
181 * Added SKE's key verify callback to the client library's
182 KE protocol context. Affected files lib/silcclient/protocol.[ch].
184 * Removed the statement that server (or router) must send USERS
185 command reply when joining to the channel so that the client
186 knows who are on the channel. Instead, the client list and
187 client's mode list is now sent in the JOIN command reply to the
188 client who joined channel. This is better solution.
190 * Added function silc_server_get_users_on_channel and function
191 silc_server_save_users_on_channel to the silcd/server.[ch].
193 * Removed function silc_server_command_send_users from the
196 * Do not show topic on the client library anymore. The topic is
197 sent in the command reply notify to the application and the
198 application must show the topic now.
200 Sat Mar 10 00:07:37 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
202 * Added client searching by nickname hash into the IDENTIFY and
203 WHOIS commands in the server as they were clearly missing from
204 them. Affected file is silcd/command.c.
206 * Fixed a bug in private message receiving in the client library.
207 The remote ID was freed and it wasn't supposed, now it is
210 Fri Mar 9 12:40:42 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
212 * Minor fix to the channel payload; allocate the data area, as it
213 needs to be of specific length.
215 * If the key agreement port is zero then the operating
216 system will define the bound port. Affected files are
217 lib/silcclient/silcapi.h and lib/silcclient/client_keyagr.c.
219 * Added new function silc_channel_payload_decrypt into the file
220 lib/silccore/silcchannel.[ch].
222 * Moved the channel message etc, check from silc_packet_decrypt
223 to applications. The library calls now a generic
224 SilcPacketCheckDecrypt callback which is to return TRUE or FALSE
225 when the packet is either normal or special. This was done to
226 allow more wide range of checking that was not allowed when
227 the code was in library. Now applications can do virtually any
228 checks to the packet and return to the library the decision how
229 the packet should be processed. Affected files are
230 lib/silccore/silcpacket.[ch].
232 Added silc_server_packet_decrypt_check to the server and
233 silc_client_packet_decrypt_check to the client library.
235 * Added silc_server_packet_send_srcdest into silcd/packet_send.[ch]
236 to send with specified source and destination information.
238 * Channel message delivery between routers was broken after the
239 channel key distribution was fixed earlier. The channel key
240 was used be to distributed to other routers as well which is not
241 allowed by the protocol. Now this is fixed and channel keys
242 really are cell specific and the channel message delivery between
243 routers comply with the protocol specification.
245 * Fixed various commands in server to check also the global list
246 for the channel entry and not just the local list. The affected
247 file silcd/command.c.
249 Thu Mar 8 21:39:03 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
251 * Added assert()s to buffer formatting and unformatting routines
252 to assert (if --enable-debug) when error occurs. Affected
253 file: lib/silcutil/silcbuffmt.c.
255 * Changed to auto-reconnect to check whether the remote host is
256 router and register the re-connect timeout if it is. It used
257 to check that whether we are normal server, but router must do
258 auto-reconnect with another router as well. Affected file
261 * Removed the [<key len>] option from CMODE command as the cipher
262 name decides the key length, nowadays. See the defined ciphers
263 from the protocol specification.
265 * Added [<hmac>] option to the CMODE command to define the HMAC
266 for the channel. Added SILC_CMODE_HMAC channel mode.
268 * Added [<hmac>] option for the JOIN command so that user can
269 select which HMAC is used to compute the MACs of the channel
272 * Added Hmac field to the Channel Message Payload. The integrity
273 of plaintext channel messages are now protected by computing
274 MAC of the message and attaching the MAC to the payload. The
275 MAC is encrypted. Now, it is clear that this causes some
276 overhead to the size of the packet but rationale for this is that
277 now the receiver can verify whether the channel message decrypted
278 correctly and also when private keys are set for the channel the
279 receiver can decrypt the packet with several keys and check from
280 the MAC which key decrypted the message correctly.
282 * Added silc_cipher_encrypt and silc_cipher_decrypt into the
283 lib/silccrypt/silccipher.[ch].
285 * Added silc_hash_len to return the digest length into the
286 lib/silcrypt/silchash.[ch].
288 * Rewrote parts of Silc Channel Payload interface in the
289 lib/silccore/silcchannel.[ch]. The encode function now also
290 encrypts the packet and parse function decrypts it.
292 Wed Mar 7 20:58:50 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
294 * Fixed a minor formatting bug in the SKE's key material processing.
295 It actually might have processed the keys wrong way resulting
298 * Redefined the mandatory HMAC algorithms and added new algorithms.
299 Added hmac-sha1-96 and hmac-md5-96 which are normal hmac-sha1
300 and hmac-md5 truncated to 96 bits. The mandatory is now
301 hmac-sha1-96. Rest are optional (including the one that used
302 to be mandatory). Rationale for this is that the truncated HMAC
303 length is sufficient from security point of view and can actually
304 make the attack against the HMAC harder. Also, the truncated
305 HMAC causes less overhead to the packets. See the RFC2104 for
308 * Added new [hmac] configuration section. The SKE used to use
309 the hash names (md5 and sha1) in the SKE proposal as HMCAS which
310 is of course wrong. The official names that must be proposed in
311 the SKE are the ones defined in the protocol specification
312 (hmac-sha1-96 for example). The user can configure any hmac
313 using any hash function configured in the [hash] section. At
314 least, the mandatory must be configured.
316 Rewrote the HMAC interface in lib/silccrypt/silchmac.[ch].
318 * Added HMAC list to the SKE proposal list. It has now both
319 hash algorithm list and HMAC list. This makes the protocol
320 incompatible with previous versions. The SKE now seems to work
321 the way it is supposed to work, for the first time actually.
323 * Defined plain Hash algorithms to the protocol specification.
326 Tue Mar 6 15:36:11 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
328 * Implemented support for key agreement packets into the server.
329 Added functions silc_server_key_agreement and
330 silc_server_send_key_agreement. Other than these functions,
331 server has nothing to do with this packet.
333 * Added support for private message key packets into the server.
334 Added functions silc_server_private_message_key and
335 silc_server_send_private_message_key.
339 * Changed the silc_[client|server]_protocol_ke_set_keys to be
340 called in the protocol's final callback instead in the END
341 protocol state. This makes a little more sense and in the same
342 time in client we can use the same protocol routines for normal
343 key exchange and to key agreement packet handling as well.
345 * Added to both client's and server's KE protocol context the
346 SilcSKEKeyMaterial pointer to save the key material. We will
347 bring the key material to the protocol's final callback by doing
348 this. The final callback must free the key material.
350 * Added SKE's packet_send callback into client's KE protocol
351 context so that the caller can choose what packet sending function
352 is used. This way we can use different packet sending when
353 doing normal SKE when doing key agreement packet handling (in
354 the key agreement packet handling we do not want to encrypt
357 * Implemented the responder side of the key agreement routines
358 in the client. The client can now bind to specified port and
359 accept incoming key negotiation. The key material is passed
360 to the application after the protocol is over.
362 * Implemented the processing of incoming Key Agreement packet
363 in the client. Added function silc_client_key_agreement to
366 * Implemented the intiator side of the key agreement routines
367 in the client. The client can now initiate key agreement with
368 another remote client. The key material is passed to the
369 application after the protocol is over.
371 * Created client_keyagr.c to include all the key agreement
374 * Added macro SILC_TASK_CALLBACK_GLOBAL which is equal to the
375 SILC_TASK_CALLBACK except that it is not static.
377 * Created client_notify.c and moved the Notify packet handling
378 from the client.[ch] into that file.
380 * Created client_prvmsg.c and moved all private message and
381 private message key routines from the client.[ch] into that file.
383 * Create client_channel.c and moved all channel message and
384 channel private key routines from the client.[ch] into that file.
386 * Changed silc_client_get_client_by_id_resolve to resolve with
387 WHOIS command instead of IDENTIFY command, in the file
388 lib/silclient/idlist.c.
390 Mon Mar 5 18:39:49 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
392 * Implemented the SKE's responder side to the Client library.
394 * When FAILURE is received to the protocol do not trust it
395 blindly. Register a timeout to wait whether the remote closes
396 the connection as it should do it, only after that process the
397 actual failure. This was changed to both client and server.
399 * Added client_internal.h to include some of the structures
400 there instead of client.h in lib/silcclient/.
402 * Added function silc_task_unregister_by_callback to unregister
403 timeouts by the callback function.
405 Sat Mar 3 19:15:43 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
407 * Some "Incomplete WHOIS info" errors has been appearing on the
408 log files. Took away the entry->userinfo check from WHOIS
409 reply sending. The entry->userinfo is now " " if client did not
410 provide one. I thought this was fixed earlier but something
411 is wrong still. Let's see if the error still appears.
413 Wed Feb 28 20:56:29 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
415 * Fixed a minor bug in the login when the channel key is
416 re-generated in the server. It used to generate the key in
417 wrong order and thus caused problems in the channel traffic.
419 * Fixed a minor bug in channel key distsribution after
420 KICK command. The key was not sent to the router even though
423 Tue Feb 27 20:24:25 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
425 * Added silc_ske_process_key_material_data as generic routine
426 to process any key material as the SILC protocol dictates. The
427 function is used by the actual SKE library but can be used by
428 applications as well. This relates to the private message keys
429 and the channel private keys since they must be processed the
430 same way the normal SILC session keys. The protocol dictates
431 this. Affected files: lib/silcske/silcske.[ch].
433 Added also silc_ske_free_key_material to free the
434 SilcSKEKeyMaterial structure.
436 * Defined silc_cipher_set_key function to set the key for
437 cipher without using the object's method function. The affected
438 files: lib/silccrypt/silccipher.[ch].
440 * Implemented silc silc_client_add_private_message_key,
441 silc_client_add_private_message_key_ske,
442 silc_client_del_private_message_key,
443 silc_client_list_private_message_keys and
444 silc_client_free_private_message_keys functions in the
447 Added functions silc_client_send_private_message_key to send
448 the Private Message Key payload and silc_client_private_message_key
449 to handle incoming Private Message Key payload.
451 * Added Cipher field to the Private Message Key payload to set
452 the cipher to be used. If ignored, the default cipher defined
453 in the SILC protocol (aes-256-cbc) is used.
455 Tue Feb 27 13:30:52 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
457 * Removed lib/silcclient/ops.h file.
459 Redefined parts of the SILC Client Library API. Created new
460 file silcapi.h that deprecates the ops.h file and defines the
461 published Client Library API. Defined also private message key
462 API and channel private key API into the file.
464 This is the file that the application must include from the
465 SILC Client Library. Other files need not be included by
466 the application anymore.
468 * Added new key_agreement client operation callback and also
469 defined the Key Agreement library API for the application.
471 Tue Feb 27 11:28:31 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
473 * Added new packet type: SILC_PACKET_KEY_AGREEMENT. This packet
474 is used by clients to request key negotiation between another
475 client in the SILC network. If the negotiation is started it
476 is performed using the SKE protocol. The result of the
477 negotiation, the secret key material, can be used for example
478 as private message key.
480 Implemented the Key Agreement payload into the files
481 lib/silccore/silauth.[ch].
483 Mon Feb 26 12:13:58 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
485 * Redefined ciphers for the SILC protocol. Added some new ciphers
486 and defined the key lengths for the algorithms. Changed the
487 code accordingly. The default key length is now 256 bits.
489 * Fixed SKE key distribution function silc_ske_process_key_material
490 when the key length is more than 128 bits. The default key
491 length in SILC is now 256 bits.
493 * Added new command status type: SILC_STATUS_ERR_UNKOWN_ALGORITHM
494 to indicate unsupported algorithm.
496 * Renamed rijndael.c to aes.c and all functions as well.
498 * Fixed a long standing channel key setting bug in client library.
499 Weird that it has never surfaced before.
501 * Fixed bug in channel deletion. If the entire channel is removed
502 then it must also delete the references of the channel entry
503 from the client's channel list as the client's channel entry and
504 the channel's client entry share same memory.
506 Sun Feb 25 20:47:29 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
508 * Implemented CONNECT and SHUTDOWN commands in the client.
510 * Implemented CLOSE command to the client.
512 * Added the function silc_idlist_find_server_by_name into the
513 files silcd/idlist.[ch].
515 Added the function silc_idlist_find_server_by_conn into the
516 files silcd/idlist.[ch].
518 Sat Feb 24 23:45:49 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
520 * DIE command was renamed to SHUTDOWN. Updated the both code
523 * Defined SILC_UMODE_NONE, SILC_UMODE_SERVER_OPERATOR and
524 SILC_UMODE_ROUTER_OPERATOR modes into lib/silccore/silcmode.h.
526 * Implemented CONNECT, CLOSE and SHUTDOWN commands to the server
529 * Added function silc_server_create_connection function to create
530 connection to remote router. My server implementation actually
531 does not allow router to connect to normal server (it expects
532 that normal server always initiates the connection to the router)
533 so the CONNECT command is only good for connecting to another
536 Sat Feb 24 16:03:45 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
538 * Added SILC_NOTIFY_TYPE_KICKED to indicate that the client
539 or some other client was kicked from the channel.
541 Implemented the handling of the notify type to both client
544 Implemented silc_server_send_notify_kicked to send the KICKED
545 notify. It is used to send it to the server's primary router.
547 * Implemented the KICK command into server and client.
549 * Added `query' argument to the silc_idlist_get_client function
550 to indicate whether to query the client from server or not if
553 * Added new command status type SILC_STATUS_ERR_NO_CHANNEL_FOPRIV
554 to indicate that the client is not channel founder.
558 Sat Feb 24 00:00:55 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
560 * Removed the rng context from SilcPacketContext structure and
561 changed that the packet routine uses the Global RNG API.
563 Fri Feb 23 11:22:57 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
565 * Added support for quit message that client can "leave" on the
566 channel when it quits the SILC. It is ditributed inside the
567 SILC_NOTIFY_TYPE_SIGNOFF notify type.
569 Added silc_server_free_client_data that will take the
570 signoff message as argument.
572 * Changed SKE routines to use the silc_pkcs_sign/verify routines.
574 Thu Feb 22 23:05:36 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
576 * Updated parts of the protocol specification to keep it up
579 Thu Feb 22 15:08:20 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
581 * Added List flag (SILC_PACKET_FLAG_LIST) to indicate list of
582 payloads in one packet.
584 * Deprecated following packet types: NEW_ID_LIST, NEW_CHANNEL_LIST,
585 NEW_CHANNEL_USER_LIST, SET_MODE and SET_MODE_LIST. List packets
586 use now the new List flag.
588 * Also deprecated the following packet types: REPLACE_ID,
589 NEW_CHANNEL_USER and REMOVE_CHANNEL_USER packet types.
591 * Added list support for Notify packet in server.
593 * Added silc_server_send_notify_channel_change to send the
594 CHANNEL_CHANGE notify type to replace channel ID's. Deprecates
595 the silc_server_send_replace_id.
597 * Added silc_server_send_notify_nick_change to send the
598 NICK_CHANGE notify type. Deprecates the function
599 silc_server_send_replace_id.
601 * Added silc_server_send_notify_join to send the JOIN notify type.
602 Deprecates the function silc_server_send_new_channel_user.
604 * Added silc_server_send_notify_leave to send LEAVE notify type.
605 Deprecates the function silc_server_send_remove_channel_user.
607 * Added silc_server_send_notify_cmode and
608 silc_server_send_notify_cumode to send CMODE and CUMODE notify
609 types. Deprecates the silc_server_send_set_mode function.
611 * Added SERVER_SIGNOFF notify type to indicate that server has
612 quit. This means that all clients on the channel from that
613 server will drop. This can be also used when netsplit happens.
615 Deprecated REMOVE_ID packet type since it is not needed anymore
618 Added silc_server_send_notify_server_signoff to send the
619 SERVER_SIGNOFF notify type. Deprecates the function
620 silc_server_send_remove_id.
622 Added also silc_server_send_notify_signoff to send the
625 * Employed the PKCS #1. It is the mandatory way to do RSA in the
626 SILC protocol from this day on. Changed the protocol
627 specification as well.
629 * Added silc_server_send_notify_topic_set to send TOPIC_SET
630 notify type. It is used between routers to notify about
631 topic changes on a channel.
633 * Added silc_id_dup into lib/silccore/id.[ch] to duplicate
636 * Partly updated the protocol specification to comply with the
637 changes now made. It is still though a bit outdated.
639 * The JOIN notify type now takes one extra argument <Channel ID>.
640 The packet used to be destined to the channel but now the
641 JOIN type may be sent as list thus it is impossible to
642 destine it to any specific channel. By adding this argument
643 it is again possible.
645 Wed Feb 21 22:39:30 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
647 * Added CREDITS file. The CHANGES and CREDITS file will appear
648 in the distribution as well.
650 Wed Feb 21 14:17:04 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
652 * Implemented CMODE_CHANGE, CUMODE_CHANGE and TOPIC_SET notify
653 types in the server's silcd/packet_receive.c.
655 * Implemented CMODE and CUMODE to work in router environment.
657 * Fixed minor encoding and decoding buglet from the
658 lib/silccore/silcmode.c.
660 * Fixed buffer overflow from lib/silcclient/command.c in USERS
663 Wed Feb 21 12:44:00 EET 2001 Mika Boström <bostik@lut.fi>
665 * Changed all SilcConfigServer* and silc_config_server* to
666 SilcServerConfig* and silc_server_config*, respectively.
669 Wed Feb 21 00:10:00 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
671 * Associated the ID (client or server ID) to the Authentication
672 Payload to avoid any possibility of forging. Updated the
673 protocol specification and the code accordingly.
675 Tue Feb 20 14:14:14 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
677 * The RSA key length is now save to the RsaKey context in the
678 key generation process in lib/silccrypt/rsa.c. The key length
679 is now used to figure out the maximum size of the block allowed
680 to be encrypted/signed.
682 * Added silc_mp_mp2bin_noalloc into lib/silcmath/mpbin.[ch]. It
683 is equivalent to the silc_mp_mp2bin but does not allocate any
686 * Changed silc_mp_mp2bin API to take length argument. If it is
687 non-zero then the buffer is allocated that large. If zero, then
688 the size is approximated using silc_mp_sizeinbase, which however
691 * Created Global RNG API which is global RNG that application can
692 initialize. After initializing, any routine anywhere in the
693 code (including library) can use RNG without allocating a new
694 RNG object. This was done to allow this sort of use of the
695 RNG in code that has no chance to allocate RNG object. All
696 applications currently allocate this and many routines in the
697 library use this. Affected file lib/silccrypt/silcrng.[ch].
699 * Removed the RNG kludge from lib/silcmath/primegen.c and changed
700 it to use the Global RNG API.
702 * Defined Authentication Payload into protocol specification that
703 is used during SILC session to authenticate entities. It is
704 used for example by client to authenticate itself to the server
705 to obtain server operator privileges.
707 Implemented this payload into the lib/silccore/silcauth.[ch].
708 Implemented also routines for public key based authentication
709 as the new protocol specification dictates.
711 Moved definitions of different authentication methods from
712 lib/silccore/silcprotocol.h into lib/silccore/silcauth.h.
714 * Added silc_pkcs_encrypt, silc_pkcs_decrypt, silc_pkcs_sign,
715 silc_pkcs_verify and silc_pkcs_sign_with_hash and
716 silc_pkcs_verify_with_hash functions into the file
717 lib/silccrypt/silcpkcs.[ch].
719 Mon Feb 19 19:59:28 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
721 * The client entry's userinfo pointer must be always valid.
722 Otherwise the [<unknown>] bug will surface beacuse the WHOIS
723 will fail since it requires the userinfo. Now, the userinfo
724 is allocated as "" if actual userinfo does not exist. Actually,
725 it must exist and it is totally Ok to drop client connections
726 that does not announce the userinfo. However, we will make
727 this workaround for now.
729 * Added silc_net_get_remote_port into lib/silcutil/silcnet.[ch]
730 to return the remote port by socket.
732 Mon Feb 19 14:26:49 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
734 * Changed SILC_SERVER_COMMAND_EXEC_PENDING macro to the name
735 SILC_SERVER_PENDING_EXEC and added an new macro
736 SILC_SERVER_PENDING_DESTRUCTOR which is called to free the
737 data or when error occurs while processing the pending command.
739 Added new argument `destructor' into silc_server_command_pending
740 and to the SilcServerCommandPending object. This destructor is
741 now called after calling the pending callback or if error occurs
742 immediately. If error occurs the actual pending callback won't
743 be called at all - only the destructor. The destructor may be
744 NULL if destructor is not needed.
746 All this applies for client library code as well. Similar
747 changes were made there as well for the pending commands.
749 In the client, the application must now allocate the
750 SilcClientCommandContext with the silc_client_command_alloc
753 * Added reference counter to the SilcServerCommandContext. Added
754 function silc_server_command_alloc and silc_server_command_dup
757 Same type of functions added to the client library for the same
760 * Removed the cmd_ident from IDListData away since it is now
761 global for all connections. It is the command identifier used
762 in command sending and with pending commands. The affected file
765 * Added reference counter to the SilcSocketConnection objecet to
766 indicate the usage count of the object. The object won't be
767 freed untill the reference counter hits zero. Currently only
768 server uses this, and client ignores it. The client must be
769 set to use this too later. The affected files are
770 lib/silccore/silcsockconn.[ch]. Added also the function
771 silc_socket_dup to increase the reference counter.
773 This was mainly added because it is possible that the socket
774 is removed underneath of pending command or other async
775 operation. Now it won't be free'd and proper DISCONNECTING
776 flags, etc. can be set to avoid sending data to connection that
777 is not valid anymore.
779 * Added SILC_SET_DISCONNECTING to server.c when EOF is read from
780 the connection. After that it sets SILC_SET_DISCONNECTED.
781 It is, however, possible that the socket data is not still freed.
782 The silc_server_packet_process now checks that data is not
783 read or written to connection that is DISCONNECTED. The socket
784 get's freed when the reference counter hits zero.
786 Mon Feb 19 00:50:57 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
788 * Changed the client operation API: channel_message operation's
789 `sender' is now the client entry of the sender, not the nickname
790 and the `channel' is the channel entry, not the channel name.
792 In the private_message operation the `sender' is now also the
793 client entry of the sender not the nickname.
795 Affected file is lib/silcclient/ops.h and all applications
796 using the client operations.
798 Sat Feb 17 22:11:50 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
800 * Moved the calling of ops->connect() from connect_to_server_final
801 into receive_new_id functin since that is the point when the
802 client is actually allowed to send traffic to network. The
803 affected file is lib/silcclient/client.c.
805 Sat Feb 17 13:15:35 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
807 * When receiving NEW_CHANNEL_LIST, NEW_CHANNEL_USER_LIST,
808 NEW_ID_LIST and SET_MODE_LIST packets, broadcast the list packet
809 (if needs broadcasting) instead of broadcasting the packets one
810 by one which would make a burst in the network traffic.
812 * Added `broadcast' argument to the functions in silcd/server.[ch]
813 silc_server_create_new_channel[_with_id] to indicate whether
814 to send New Channel packet to primary router.
816 Sat Feb 17 01:06:44 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
818 * Added new function into the silcd/server.[ch] files:
819 silc_server_create_new_channel_with_id to create new channel with
820 already existing Channel ID.
822 * Added new packet type SILC_PACKET_SET_MODE_LIST into the file
823 lib/silccore/silcpacket.h. This packet is used t send list of
824 Set Mode payloads inside one packet. Server uses this to set
825 the modes for the channels and clients on those channels, that it
826 announced to the router when it connected to it. The protocol
827 specification has been updated accordingly.
829 * The silc_server_new_channel did not handle the packet coming
830 from normal server as it normally does not send that. However,
831 when it announces its channels it does send it. Implemented
832 the support for that.
834 * Added SILC_ID_CHANNEL_COMPARE macro to compare to Channel ID's
835 into the file lib/silccore/id.h.
837 Fri Feb 16 23:57:29 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
839 * Fixed memory leaks in the functions silc_idlist_del_client,
840 silc_idlist_del_channel and silc_idlist_del_server in the file
841 silcd/idlist.c. All of those leaked like a sieve.
843 * Fixed some small memory leaks in the client's function
844 silc_client_notify_by_server.
846 * Added functions into silcd/server.c: silc_server_announce_clients,
847 silc_server_announce_channels and silc_server_announce_server.
848 These functions are used by normal and router server to announce
849 to its primary router about clients, channels and servers (when
850 router) that we own. This is done after we've connected to the
853 These functions effectively implements the following packet types:
854 SILC_PACKET_NEW_CHANNEL_LIST, SILC_PACKET_NEW_CHANNEL_USER_LIST
855 and SILC_PACKET_NEW_ID_LIST.
857 * Added new functions into the silcd/packet_receive.[ch]:
858 silc_server_new_id_list, silc_server_new_channel_list and
859 silc_server_new_channel_user_list to handle the incoming
860 NEW_ID_LIST, NEW_CHANNEL_LIST and NEW_CHANNEL_USER_LIST packets.
862 * Added support of changing Channel ID in the function
863 silc_server_replace_id. If the server that announces a channel
864 to the router already exists in the router (with same name but
865 with different Channel ID), router is responsible to send
866 Replace ID packet to the server and force the server to change
867 the Channel ID to the one router has.
869 * Added new notify type SILC_NOTIFY_TYPE_CHANNEL_CHANGE to notify
870 client that the Channel ID has been changed by the router. The
871 normal server sends this to the client. Client must start using
872 the new Channel ID as the channel's ID.
874 Implemented handling of this new type into lib/silcclient/client.c
875 into the function silc_client_notify_by_server.
877 * Added new function silc_idlist_replace_channel_id into the files
878 silcd/idlist.[ch] to replace the Channel ID.
880 Fri Feb 16 14:14:00 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
882 * Call silc_server_command_identify_check always when processing
883 the IDENTIFY command in silcd/command.c
885 Thu Feb 15 20:07:37 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
887 * Added new packet type SILC_PACKET_HEARTBEAT that is used to
888 send keepalive packets. The packet can be sent by clients,
891 Added function silc_socket_set_heartbeat into the file
892 lib/silccore/silcsockconn.[ch] to set the heartbeat timeout.
893 If not set, the heartbeat is not performed. The actual
894 heartbeat is implemented in the low level socket connection
895 library. However, application is responsible of actually
898 Added silc_server_send_heartbeat to send the actual heartbeat
899 packet into silcd/packet_send.[ch]. Server now performs
900 keepalive with all connections.
902 * Added silc_task_get_first function into lib/silcutil/silctask.c
903 to return the timeout task with shortest timeout. There was a bug
904 in task unregistration that caused problems. TODO has been
905 updated to include that task system must be rewritten.
907 * The client library will now resolve the client information when
908 receiving JOIN notify from server for client that we know but
909 have incomplete information.
911 * Rewrote parts of silc_server_remove_from_channels and
912 silc_server_remove_from_one_channel as they did not remove the
913 channel in some circumstances even though they should've.
915 * Encryption problem encountered in server:
917 The LEAVE command used to send the Channel Key packet to the
918 router immediately after generating it. However, the code
919 had earlier sent Remove Channel user packet but not immediately,
920 ie. it was put to queue. The order of packets in the router
921 was that Channel Key packet was first and Remove Channel User
922 packet was second, even though they were encrypted in the
923 reverse order. For this reason, MAC check failed. Now, this
924 is fixed by not sending the Channel Key packet immediately but
925 putting it to queue. However, this is more fundamental problem:
926 packets that are in queue should actually not be encrypted
927 because packets that are sent immediately gets encrypted
928 actually with wrong IV (and thus MAC check fails). So, packets
929 that are in queue should be encrypted when they are sent to
930 the wire and not when they put to the queue.
932 However, the problem is that the current system has not been
933 designed to work that way. Instead, the packet is encrypted
934 as soon as possible and left to the queue. The queue is then
935 just purged into wire. There won't be any fixes for this
936 any time soon. So, the current semantic for packet sending
939 o If you send packet to remote host and do not force the send
940 (the packet will be in queue) then all subsequent packets to the
941 same remote host must also be put to the queue. Only after the
942 queue has been purged is it safe again to force the packet
945 o If you send all packets immediately then it safe to send
946 any of subsequent packets through the queue, however, after
947 the first packet is put to queue then any subsequent packets
948 must also be put to the queue.
950 Follow these rules and everything works fine.
952 Thu Feb 15 14:24:32 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
954 * Added new function silc_server_remove_clients_by_server to
955 remove all client entries from ID list when the server connection
956 is lost. In this case it is also important to invalidate all
957 client entires as they hold the invalid server entry. This
958 fixes fatal bug when server has lost connection and will reconnect
961 Wed Feb 14 16:03:25 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
963 * Made some sanity checks to silc_server_daemonise like to check
964 whether the requested user and group actually exists.
966 * Added sanity check to SKE's silc_ske_responder_finish to check
967 that the public and private key actually is valid.
969 * Invalidate the client's nickname when receiving Replace ID
970 packet and the Client ID is being replaced. This means that the
971 server will query the nickname if someone needs it (client)
974 * Sort the ID Cache in client library when the ID Cache data
975 has changed (needs sorting).
977 * Do not allow for SILC client to create several connections to
978 several servers. The client does not support windows right now
979 and generating multiple connections causes weird behaviour.
981 Irssi-silc client does support windows and can handle several
982 connections without problems, see: www.irssi.org and SILC plugin.
984 * Fixed some places where client was added to the IDList. The
985 rule of thumb is following (in order to get everything right):
986 If the client is directly connected local client then the
987 `connection' argument must be set and `router' argument must be
988 NULL to silc_idlist_add_client function. If the client is not
989 directly connected client then the `router' argument must
990 bet set and the `connection' argument must be NULL to the
991 silc_idlist_add_client function.
993 * The funtion silc_server_packet_send_local_channel actually did
994 not check whether the client was locally connected or not. It
995 does that now. Fixed a bug related to LEAVE command.
997 * Fixed Remove Channel User payload parsing bug in server's
998 silcd/packet_receive.c. Fixed a bug related to LEAVE command.
1000 * The server's silc_server_save_channel_key now checks also the
1001 global ID list for the channel as it might not be in the local
1002 list. Fixed a bug related to LEAVE command.
1004 * Is this the end of the [<unknown>] buglet that has been lurking
1005 around for a long time? A little for loop fix in server's
1006 silc_server_command_whois_parse that is used by both IDENTIFY
1007 and WHOIS command. At least, this was a clear bug and a cause
1008 of one type of [<unknown>] buglet.
1010 * WHOIS and IDENTIFY commands call the function
1011 silc_server_command_[whois/identify]_check function even if
1012 we are not router server.
1014 Tue Feb 13 19:55:59 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
1016 * Added --with-gmp configuration option. If set the GMP
1017 is always compiled in the SILC source tree. If not set then
1018 it is checked whether the system has the GMP3 installed. If
1019 it has then the GMP won't be compiled (the system's headers
1020 and library is used), if it doesn't have it then the GMP is
1021 compiled in the SILC source tree.
1023 Mon Feb 12 11:20:32 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
1025 * Changed RSA private exponent generation to what PKCS #1
1026 suggests. We try to find the smallest possible d by doing
1027 modinv(e, lcm(phi)) instead of modinv(e, phi). Note: this is
1028 not security fix but optimization.
1030 Sun Feb 11 18:19:51 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
1032 * Added new config entry [Identity] to fork the server and run
1033 it as specific user and group. A patch from Bostik.
1035 * Imported Dotconf configuration library into lib/dotconf.
1036 This will be used to create the SILC configuration files later.
1037 It will appear in the distsribution after this commit.
1039 Sat Feb 10 21:13:45 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
1041 * A big code auditing weekend happening. Auditing code for
1042 obvious mistakes, bugs and errors. Also, removing any code
1045 Removed files for being obsolete:
1047 o lib/silcutil/silcbuffer.c (the buffer interface is entirely in
1048 inline in the file lib/silcutil/silcbuffer.h)
1050 o lib/silcutil/silcbufutil.c (the header has inline versions)
1052 Changed code to fix possible error conditions:
1054 o The buffer formatting routines now check that the destination
1055 buffer really has enough space to add the data. This applies for
1056 both buffer formatting and unformatting
1057 (lib/silcutil/silcbuffmt.[ch]). Also, the entire buffer
1058 unformatting was changed to accomodate following rules:
1059 XXX_*STRING_ALLOC will allocate space for the data into the pointer
1060 sent to the function while XXX_*STRING will not allocate or copy
1061 the data into the buffer. Instead it sets the pointer from the
1062 buffer into the pointer sent as argument (XXX_*STRING used to
1063 require that the pointer must be allocated already). This change
1064 makes this whole thing a bit more consistent and more optimized
1065 (note that the data returned in the unformatting with XXX_*STRING
1066 must not be freed now). The routines return now -1 on error.
1068 o Tried to find all code that use buffer_format and buffer_unformat
1069 and added return value checking to prevent formatting and
1070 especially unformatting errors and possible subsequent fatal
1073 o Changed ske->x and ske->KEY to mallocated pointers in
1074 lib/silcske/silcske.h. Fixed possible data and memory leak.
1076 o Added return value checking to all *_parse* functions. Fixed
1077 many memory leaks as well.
1079 o Added length argument to silc_id_str2id in lib/silccore/id.[ch]
1080 so that buffer overflows would not happen. All code now also
1081 checks the return value as it can fail.
1083 Mon Feb 5 20:08:30 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
1085 * Added reconnection support to server if the normal server looses
1086 its connection to the router (for example if router is rebooted).
1087 The server performs normal reconnection strategy implemented
1088 to the server. Affected file silcd/server.c.
1090 Sun Feb 4 13:18:32 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
1092 * Added new packet type SILC_PACKET_SET_MODE that is used to
1093 distribute the information about changed modes (for clients,
1094 channels and clients channel modes) to all routers in the
1095 network. Updated the protocol specification accordingly.
1097 Added functions into silcd/packet_send.c and
1098 silcd/packet_receive.c: silc_server_send_set_mode,
1099 silc_server_set_mode.
1101 Added new files silcmode.[ch] into lib/silccore that implements
1102 the encoding and decoding of Set Mode Payload. Added new type
1103 SilcSetModePayload. Moved the definitions of different modes
1104 from lib/silccore/silcchannel.h into lib/silccore/silcmode.h.
1106 Sat Feb 3 15:44:54 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
1108 * Oops, a little mistake in server's connection authentication
1109 protocol. The protocol is not ended with FAILURE but with
1110 SUCCESS if the authentication is Ok. :) Affected file is
1113 * Implemented NICK_CHANGE notify handling in server in the file
1114 silcd/packet_receive.c The NICK_CHANGE notify is distributed to
1115 the local clients on the channel. After the changing nickname
1116 in router environment snhould work and the [<unknown>] nickname
1117 should appear no more.
1119 The silc_server_replace_id function that receives the Replace ID
1120 payload now sends the NICK_CHANGE notify type also in the file
1121 silcd/packet_receive.c
1123 * Changed WHOIS and IDENTIFY command to support the maximum amount
1124 of arguments defined in protocol specs (3328 arguments). This
1125 fixed a bug that caused problems when there were more than three
1128 Fri Feb 2 11:42:56 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
1130 * Added extra parameter, command identifier, to the
1131 silc_client_send_command so that explicit command identifier
1134 Changed that ID list routines uses specific command identifier
1135 when sending WHOIS/IDENTIFY requests to the server so that they
1136 can be identified when the reply comes back.
1138 Affected files lib/silcclient/command.[ch],
1139 lib/silcclient/client.c and lib/silcclient/idlist.[ch].
1141 * Added `sender' argument to silc_server_packet_send_to_channel
1142 to indicaet the sender who originally sent the packet to us
1143 that we are now re-sending. Ignored if NULL. Affected file
1144 silcd/packet_send.[ch].
1146 * Added some server statistics support in silcd/server_internal.h
1147 SilcServerStatistics structure and around the server code. Also
1148 send some nice statistics information when client is connecting
1151 Thu Feb 1 23:31:21 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
1153 * Fixed channel ID decoding in server's JOIN command reply in
1154 silcd/command_reply.c
1156 * Fixed braodcasting of replace ID payload to not to send it if
1157 we are standalone server in silcd/packet_receive.c.
1159 * Fixed all channel message sending routines to not to send
1160 packets to clients that has router set, since they are routed
1161 separately in the same function earlier. Affects file
1162 silcd/packet_send.c and all channel packet sending functions.
1164 * In USERS reply, res_argv[i] are not allocated, the table
1165 is allocated. Thus changed that free the table, not its
1168 * In server's whois_check and identify_check if the client is
1169 locally connected do not send any WHOIS commands - they are not
1172 Thu Feb 1 21:32:27 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
1174 * Fixed some minor bugs in client when sending WHOIS command. The
1175 arguments was in wrong order.
1177 * Removed statis function add_to_channel from server in
1178 silcd/command.c that was previously used with the joining but
1181 * Tested USERS command in router environment successfully with two
1182 routers, two servers and two clients.
1184 Thu Feb 1 00:54:26 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
1186 * Reorganized the USERS command and command reply in client library
1187 in lib/silcclient/command.c and lib/silcclient/command_reply.c.
1188 When the command is given by user we register a pending command
1189 callback that will reprocess the command after the reply has been
1190 received from the server. When reprocessing the packet we then
1191 display the information. Thus, the USERS information is displayed
1192 now in the command callback instead of in the command reply
1193 callback. The processing of the command is same as previously
1194 when server has sent the command reply in the JOINing process.
1196 * Added to USERS command in silcd/command_reply.c to join the client,
1197 we didn't use to know about, to the channel after we've created
1198 a client entry for it. Also, for clienet we did know already still
1199 check whether it is on the channel or not and add it if not.
1201 * Removed silc_server_command_join_notify as the function and its
1204 Tue Jan 30 22:39:15 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
1206 * Changed the client's pending command handling to the same as the
1207 server's pending command handling. It is also now possible to
1208 execute command reply functions from other command reply
1209 function as the function callbacks for commands and command
1210 replies are one and same. The pending commands are not static
1211 list anymore, it is mallocated SilcDList in lib/silcclient/client.h
1212 in client connection context. Thus, pending commands are server
1213 connection specific as it is convenient.
1215 Changed the function silc_client_command_pending and
1216 silc_client_command_pending_del and added new function
1217 silc_client_command_pending_check. Removed the
1218 SILC_CLIENT_CMD_REPLY_EXEC, and SILC_CLIENT_PENDING_COMMAND_CHECK
1221 * Added cmd_ident, current command identifier, to the client
1222 connection context in lib/silcclient/client.h to keep track on
1223 command identifiers used in command sending. Client's command reply
1224 function handling now supports the mandatory command identifiers.
1226 * Added SILC_CLIENT_COMMAND_EXEC_PENDING macros to all command reply
1227 funtions in client to fully support pending command callbacks.
1229 * NOTE: the name_list in USERS (old NAMES) command is NOT sent anymore
1230 as one of the arguments to the application in the command reply
1233 * NOTE: The FORWARDED flag is depracated. It used to be depracated
1234 before first releasing SILC but came back. Now it is removed again
1235 and should come back nomore. The FORWARDED flag was used only
1236 by the JOINing procedure by forwarding the command packet to router.
1237 Now, the JOINing procedure has been changed to more generic (due
1238 to various router environment issues) and FORWARDED is not needed
1239 anymore for anything. The protocol specification is yet to be
1242 Now, removed silc_server_packet_forward from server and the flag
1243 SILC_PACKET_FORWARDED from lib/silccore/silcpacket.h.
1245 Tue Jan 30 00:05:05 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
1247 * Renamed NAMES command to USERS command. The NAMES was named that
1248 due to historical reasons. Now it is renamed. Also, rewrote
1249 parts of the USERS command. The nickname list is not sent anymore
1250 by the server. Only Client ID and mode lists are sent in the USERS
1251 command. Changed this also to the protocol specification.
1253 The client now resolves the names and stuff after it receives
1254 the USERS list from the server when joining to the channel.
1256 * WHOIS and IDENTIFY commands has been changed to support multiple
1257 Client ID's per command. One can now search for multiple users
1258 in the network by sending only one WHOIS or IDENTIFY command.
1259 Changed the code and the protocol specifications.
1261 * Removed silc_server_command_identify_parse and changed that IDENTIFY
1262 uses silc_server_command_whois_parse to parse the request. */
1264 * If normal server, do not parse the WHOIS and IDENTIFY requests
1265 before sending it to the router. Saves some time.
1267 Sun Jan 28 16:19:49 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
1269 * Fixed JOIN command on client library. Wrong number of arguments
1270 used to crash the client.
1272 * Added silc_server_channel_has_global function to check whether
1273 channel has global users or not.
1275 * Added silc_server_channel_has_local function to check whether channel
1276 has locally connected clients on the channel.
1278 * The silc_server_remove_from_one_channel now checks whether the
1279 channel has global users or not after given client was removed from
1280 the channel. It also checks whether the channel has local clients
1281 on the channel anymore. If it does not have then the channel entry
1282 is removed as it is not needed anymore.
1284 * The silc_server_notify now checks on JOIN notify whether the joining
1285 client is one of locally connected or global. If it is global then
1286 the channel has now global users on the channel and that is marked
1287 to the channel entry. Also, it now saves the global client to
1288 global list who is joining and JOINs it to the channel. This is
1289 for normal server, that is.
1291 Changed silc_server_send_notify_on_channel,
1292 silc_server_packet_relay_to_channel and
1293 silc_server_packet_send_to_channel check if we are normal server
1294 and client has router set (ie. global client) do not send the
1295 message to that client, as it is already routed to our router.
1297 * Implemented LEAVE notify type handling in silc_server_notify
1300 * Tested LEAVE command in router environment successfully. Tested
1301 with two routers, two servers and two clients.
1305 * idlist_find_xxx_by_id routines now dumps the ID on the debug mode.
1307 * Implemented SIGNOFF notify type handling in silc_server_notify
1310 * silc_server_remove_id now removes the client entry from all channels
1311 it has joined and thusly sends SIGNOFF notify type.
1313 * Rewrote the NAMES list generation in server by removing two excess
1314 loops. The lists are created now inside one loop.
1316 Sat Jan 27 22:34:56 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
1318 * silc_server_remove_channel_user checks now also global list
1319 for channel and client.
1321 * silc_server_new_channel_user checks now both local and global
1322 list for channel and client. Fixed a bug in client id decoding.
1323 Used to decode wrong buffer.
1325 * silc_server_channel_message checks now both local and global
1326 list for channel entry.
1328 * Tested channel joining (hence JOIN) in router environment
1329 successfully. Tested with two routers, two servers and two
1332 * Tested channel message sending in router environment successfully.
1334 Thu Jan 11 03:22:57 EET 2001 Pekka Riikonen <priikone@poseidon.pspt.fi>
1336 * Added silc_server_save_channel_key into server.[ch] to save the
1337 received channel key in Channel Key payload processing. It is
1338 also used in JOIN command reply handling.
1340 Equivalent function silc_client_save_channel_key added into
1341 client.[ch] into client library.
1343 * Changed JOIN command reply to send information whether the channel
1344 was created or not (is existing already) and the channel key
1345 payload. Changed protocol specs accordingly.
1347 * Fixed bugs in WHOIS and IDENTIFY command reply sending when
1348 the request was sent by ID and not by nickname. Crashed on
1351 Sat Dec 23 21:55:07 EET 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
1353 * Fixed a bug in Client library. IDENTIFY and WHOIS reply functions
1354 now correctly save the received data.
1356 * silc_server_free_sock_user_data now notifies routers in the
1357 network about entities leaving the network.
1359 At the same time implemented functions silc_server_remove_id
1360 and silc_server_send_remove_id to receive and send REMOVE_ID
1361 packets. The packet is used to notify routers in the network
1362 about leaving entities. The ID removed will become invalid in
1365 * Added function silc_idlist_del_server into server. Removes and
1366 free's server entry from ID list.
1368 * silc_server_private_message function now checks, if we are router,
1369 that the destination ID really is valid ID, naturally.
1371 * In router when NEW_ID packet is received (for new client) the
1372 hash of the Client ID is saved in the ID Cache but the
1373 client->nickname is set to NULL, instead of putting the hash
1376 IDENTIFY command now also checks that client->nickname must be
1377 valid. If it is not if will request the data from the server who
1378 owns the client. Added new function
1379 silc_server_command_identify_check.
1381 * Added silc_command_set_command into lib/silccore/silcommand.[ch]
1382 to set the command to already allocated Command Payload.
1384 * Tested private message sending in router environment with two
1385 routers, two servers and two clients. Fixed minor bugs and now
1388 * Fixed segfault from client's NAMES command. Used to crash if
1391 * Forwarded packets must not be routed even if it is not destined
1392 to the receiver. Changed server code comply with this.
1394 Sun Dec 17 14:40:08 EET 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
1396 * Added `require_reverse_mapping' boolean value to ServerParams
1397 structure. If TRUE (not default) the server will require that
1398 the connecting host has fully qualified domain name.
1400 If the reverse mapping is not required and hostname could not be
1401 found the IP address is used as hostname.
1403 Sat Dec 16 17:39:54 EET 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
1405 * Implemented version string checking to both client and server.
1406 The check is incomplete currently due to the abnormal version
1407 strings used in development version of SILC.
1409 * Changed all command functions in server to use the new
1412 Fri Dec 15 15:55:12 EET 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
1414 * Changed char *data to unsigned char *data in ID Cache system to
1415 support binary data as ID Cache data. Changed code to support
1416 binary data in lib/silccore/idcache.c.
1418 * Renamed silc_server_packet_relay_command_reply to
1419 silc_server_command_reply as it is normal packet receiving
1420 function. Rewrote the function to accept command replys for
1421 servers and not only for clients.
1423 * Mark remote router always as registered server if we are connecting
1424 to it. Otherwise, commands sent by the router to us are ignored.
1426 * All ID List find routines now returns the ID Cache Entry pointer
1427 as well if requested.
1429 * WHOIS command works now in router environment, tested with two
1430 routers, two servers and two clients.
1432 * Cleaned up and rewrote IDENTIFY command. IDENTIFY should work now
1433 in router environment (as it is almost equivalent to WHOIS) but
1434 hasn't been tested thoroughly. Added new functions:
1436 silc_server_command_identify_parse
1437 silc_server_command_identify_send_reply
1438 silc_server_command_identify_from_client
1439 silc_server_command_identify_from_server
1441 * Disabled route cache adding because adding two different ID's with
1442 same IP replaces the old cache entry thus giving wrong route.
1443 The entry->router->connection is always the fastest route anyway
1444 so route cache may not be needed. Of course, new routes maybe
1445 established after receiving the ID when the entry->router->connection
1446 might not be anymore the most optimal.
1448 Thu Dec 14 15:55:35 EET 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
1450 * Add route cache for received ID for fast routing.
1452 * Added silc_server_packet_route to route received packet on router
1453 that is not destined to us.
1455 * Renamed silc_server_get_route to silc_server_route_get.
1457 * Added id_string and id_string_len fields into SilcServer to
1458 include encoded ServerID for fast comparing without excess
1459 encoding of the ID's.
1461 * Cleaned up WHOIS command on server side. Added following static
1464 silc_server_command_whois_parse
1465 silc_server_command_whois_check
1466 silc_server_command_whois_send_reply
1467 silc_server_command_whois_from_client
1468 silc_server_command_whois_from_server
1470 * Added macro SILC_SERVER_COMMAND_CHECK_ARGC to check mandatory
1471 arguments in command replies. All command functions should be
1472 updated to use this macro.
1474 Sun Dec 10 23:52:00 EET 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
1476 * Minor typo fixes on command reply handling on server.
1478 Tue Nov 28 11:05:39 EET 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
1480 * Added silc_server_command_add_to_channel internal routine to add
1481 the client to the channel after router has created the channel and
1482 sent command reply to the server.
1484 * Added generic silc_server_send_command to send any command from
1487 * Use static buffer with ID rendering instead of duplicating data.
1489 Mon Nov 27 21:39:40 EET 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
1491 * Fixed a channel user mode bug when joining to a channel server gave
1492 everybody channel founder rights, oops.
1494 * We mark ourselves as the router of the incoming server connection
1495 if we are router ourselves. This way we can check in some packet
1496 sending functions whether it is locally connected server. For
1497 incoming router connections we put NULL.
1499 * For router sending packets locally means now always sending the
1500 packet cell wide; to local clients and local servers. For normal
1501 server sending packet locally means sending it to only local
1504 * Fixed the JOIN command to really work in router environment. If the
1505 channel is created it is always created by the router. Router is
1506 also responsible of making the initial joining to the channel,
1507 sending JOIN notify to the sending server and distributing
1508 NEW_CHANNEL and NEW_CHANNEL_USER packets. Hence, if the channel
1509 does not exist server doesn't do anything else but forward the
1510 command to the router which performs everything.
1512 * Added silc_server_send_channel_key function to send the Channel Key
1515 * Added silc_server_create_channel_key to create new channel key. The
1516 channel key is now re-generated everytime someone joins or leaves
1517 a channel, as protocol dictates. Note: channel->key_len is the
1520 Wed Nov 22 22:14:19 EET 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
1522 * Splitted server.[ch] finally. Created now packet_send.[ch] and
1523 packet_receive.[ch] to separate packet sending and receiving
1524 routines. The server.[ch] now includes everything else including
1525 actual packet processing (writing and reading data) and other
1528 Renamed silc_server_private_message_send_internal to
1529 silc_server_send_private_message. The routine is still though
1530 used only to relay private messages as server does not send
1531 private messages itself.
1533 Renamed silc_server_new_channel to silc_server_create_new_channel
1534 and added new function sicl_server_new_channel that handles the
1535 incoming New Channel packet. Added also new sending function
1536 silc_server_send_new_channel to send New Channel Payload.
1538 * Added new function silc_server_notify to process incoming notify
1539 packet to the server/router. Server may then relay the notify
1540 to clients if needed.
1542 * Added new function silc_server_new_channel_user to process incoming
1543 New Channel User packet. Router will redistribute the packet and
1544 send JOIN notify to its local clients and locally connected servers
1545 if needed. Normal server will send JOIN notify to its local client
1546 on same channel when received this packet. Added also corresponding
1547 sending function silc_server_send_new_channel_user to sent the
1550 * Added boolean route argument to send_notif_to_channel and
1551 packet_send_to_channel functions to attempt to route the packet
1552 if it is TRUE and send only locally if it is FALSE.
1554 Tue Nov 21 19:49:31 EET 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
1556 * silc_server_replace_id now broadcasts the received replace ID
1557 packet if it is not broadcast packet already. The router must
1558 broadcast to inform other routers about changed ID.
1560 * Added backpointer to server's router into SilcServer context in
1561 silcd/server_internal.h.
1563 * Fixed silc_server_packet_broadcast to send correct broadcast
1566 * The channel key is now distributed to the local client as soon
1567 as it is received from the router (in router environment) so that
1568 no other packet may be sent for the channel until client has
1571 * silc_server_remove_channel_user now broadcasts the received
1572 Remove Channel User packet if it is not broadcast packet already.
1573 The router must broadcast to inform other routers about removed
1576 * Added users field into SilcPacketContext that is a reference count
1577 of the context. One can increase the reference count by calling
1578 silc_packet_context_dup which is now changed to just increase the
1579 reference count instead of duplicating the data. The reference
1580 count is decresed by calling silc_packet_context_free that will
1581 free the data after the reference count hits zero.
1583 For now on the packet context and everything allocated into it
1584 (including the raw packet from network) must be freed by calling
1585 the new silc_packet_context_free function. Added also new function
1586 silc_packet_context_alloc that must be used now to allocate the
1587 context. This also means that if a routine is asynchronous from
1588 silc_[client/server]_packet_parse_type the packet context must
1589 be duplicated by calling silc_packet_context_dup. Otherwise it
1590 gets free'd after silc_[client/server]_packet_parse_type returns.
1591 Also, one must remember that if packet is duplicated then its
1592 reference count must be decresed by calling the free function as
1593 many times as it was duplicated.
1595 * Changed SilcBuffer field from protocol contexts to SilcPacketContext
1596 from both client and server.
1598 Mon Nov 20 23:47:03 EET 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
1600 * Made joining to a channel working in router environment.
1602 * Cleaned up JOIN command on server side and create function
1603 silc_server_command_join_channel internal routine to make the
1606 Thu Nov 9 21:12:39 EET 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
1608 * Changed silc_command_pending list to SilcDList. Also, added
1609 `ident' field to SilcServerCommandPending structure to identify
1610 the reply and to call correct callback.
1612 Added silc_server_command_pending_check function to replace the
1613 corresnponding macro. The silc_command_pending list is not
1616 * Added silc_command_set_ident into lib/silccore/silccommand.[ch]
1617 to set identifier to previously allocated Command Payload. It
1618 is used to set identifier for command when resending Command
1621 * Added silc_command_payload_encode_payload to encode Command
1622 Payload buffer from SilcCommandPayload structure.
1624 * Added silc_argument_payload_encode_payload to encode Argument
1625 payload buffer from SilcArgumentPayload structure.
1627 Wed Nov 8 21:03:28 EET 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
1629 * Changed WHOIS command to support router connection on server side.
1630 The whois request is always sent to router unless the server is
1631 standalone server. After server has received the reply from the
1632 router will it send the reply to the client.
1634 * Added silc_server_packet_broadcast into silcd/server.[ch] to
1635 broadcast received broadcast packet. The function is used only
1636 by router. The broadcast packet is always sent to the router's
1639 * Added silc_id_render function in lib/silcutil/silcutil.[ch] to
1640 render given ID to printable string, for log files for example.
1642 Tue Nov 7 22:14:19 EET 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
1644 * Made basic router to router connections working. At least they
1645 can now connect to each other but nothing really works the way
1646 they are supposed - yet.
1648 * Added new initiator token to RouterConnection configuration
1649 file in silcd/serverconfig.[ch]. It is used to tell whether we
1650 are the initiator to the remote router or whether we'll expect
1651 the other end to connect.
1653 * Moved registering of listener task to silc_server_init, hence
1654 the server starts listenning as soon as it is run, even if it
1655 does not have connections to other routers. Let's see how well
1658 * Changed default connection retry timeouts for more suitable in
1661 * Removed cipher and such arguments from silc_idlist_add_client
1662 and silc_idlist_add_server prototypes from silcd/idlist.[ch].
1663 Added new function silc_idlist_add_data to add the keys and stuff
1666 * Added SilcIDListData structure and added it to SilcClientEntry
1667 and SilcServerEntry as their first field in the structure. This
1668 way we can explicitly cast the ID entries to the SilcIDListData
1669 structure and get common data for the entries. In past, we had
1670 to first check what type of connection it is and then cast it to
1671 correct ID entry type. Now, we can directly cast the opaque
1672 pointer to the SilcIDListData (no matter what ID entry it actually
1673 is) and get the data needed.
1675 Mon Nov 6 21:56:12 EET 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
1677 * Wow, found a bug in scheduler. The scheduler uninitialized itself
1678 in some circumstances even if threre were timeout tasks, though not
1679 IO tasks, but tasks anyway. Now fixed.
1681 * Defined SilcServerConnection structure to hold connection specific
1682 stuff about directly connected servers and routers. The definition
1683 is currently in silcd/server_internal.h. I thought about having
1684 a bit more important role fro this struct but for now it is used
1685 only when connecting to other server (or router actually).
1687 * Added connecting retry support in server when connecting to
1688 router(s). The retry feature implement exponential backoff
1689 algorithm. Also, added SilcServerParams structure to hold default
1690 parameters for server. For now, it include these retry settings
1691 and are hard coded. After server is moded to be as Silc Server
1692 Library this structure will be more important.
1694 Sun Nov 5 22:28:44 EET 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
1696 * Changed client librarys channel->clients table to SilcList and
1697 changed code accordingly.
1699 Thu Nov 2 16:28:01 EET 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
1701 * Changed client's channel table to SilcList and changed code
1702 accordingly. Also changed SilcChannelClientEntry to include back-
1703 pointer to the channel so that client entry can use that structure
1704 as list as well and we have fast cross-reference to the channel.
1705 This change dramatically decreased the complexity of channel
1706 handling with client entry and vice versa (removed one extra
1707 loop when searching for channel entry from many functions).
1709 * Changed server->sim from table to SilcDList and changed code
1712 * NAMES command can now be used from user interface. It will show
1713 the user list on the channel, neatly.
1715 * Added realname pointer to SilcClientEntry in lib/silcclient/idlist.h.
1716 Code now saves realname of the user if it becomes available.
1718 * Renamed configure.in to configure.in.pre and made ./prepare
1719 script to automatically add correct version string to
1720 configure.in which it creates from configure.in.pre.
1722 Wed Nov 1 17:21:26 EET 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
1724 * NAMES command reply now shows users mode with the nickname when
1727 * Moved silc_client_ch[u]mode[_char] functions from
1728 silc/clientutil.[ch] to lib/silcclient/client.[ch]. Though, that
1729 place sucks, they are utility functions and should be in some
1732 * Fixed some unsigned int's to unsigned short's. Patch by cras.
1734 * Fixed contrib/getopt*.[ch] to not require config.h. Patch by
1737 Tue Oct 31 20:10:37 EET 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
1741 * Added TRQ (efficient deque and list library) into lib/trq. This is
1742 a very good list library that is currently used in the SILC. Defined
1743 SilcList API over the library because I didn't like the API very
1744 much. See lib/trq/silclist.h for the API and examples of how to
1745 use the API. Fixed various places in the code to use the new
1746 SilcList API. The SilcList is meant for lists that has a structure
1747 already defined as a list. It is not suitable to add just some
1748 context to the list (in TRQ, the context is the list actually).
1750 So, I defined SilcDList that can be used for the purpose where
1751 predefined list structure does not exit. This can be used as
1752 such list. Now some context just can be added to the SilcDList.
1753 Currently this list is not used in the SILC just yet, though there
1754 are a lot places where this can replace dynamically allocated
1755 tables and I will fix these places, later, to use SilcDList.
1756 See lib/trq/silcdlist.h for SilcDList (they are all inline functions,
1757 and use TRQ internally).
1759 Also fixed some annoying warning messages that the original TRQ
1760 code generated. Also minor changes to TRQ's Makefile.in.
1762 * Added support for querying by Client ID to both WHOIS and
1763 IDENTIFY commands into server, as required by the protocol.
1765 * Removed method function pointers from SilcBuffer structure. They
1766 weren't used to anything and just increased the context size for
1767 no good reason. This change also made silc_buffer_alloc and
1768 silc_buffer_free functions inline functions.
1770 * Disabled command flooding detection support until it's fixed so
1771 that it accepts commands in but does not execute them more than once
1774 * Added silc_net_localhost(), to return local hostname, into
1775 lib/silcutil/silcnet.[ch]. Also added client->hostname pointer
1776 that must be initialized before calling silc_client_init.
1778 * Added new function: silc_server_send_notify_on_channels to send
1779 notify messages to all channels client has joined. It is assured
1780 that the message is sent only once per client.
1782 * Moved silc_log_format (from lib/silcutil/silclog.[ch] into
1783 lib/silcutil/silcutil.[ch] as silc_format function. The new
1784 function is generic and is used by server as well, not only by
1785 the logging routines.
1787 * Added new SKE status type: SILC_SKE_STATUS_BAD_VERSION to indicate
1788 the provided version string was not acceptable. Added new function:
1789 silc_ske_check_version into lib/silcske/silcske.h. The function
1790 must be implemented by the application (client or server) and it
1791 does not reside in the SKE library. The function checks the version
1792 string remote end sent.
1794 * Added back pointers (to opaque context and to SilcSocketConnection)
1795 into SilcPacketContext structure into lib/silccore/silcpacket.h.
1797 * Added silc_packet_context_dup into lib/silccore/silcpacket.[ch] to
1798 duplicate packet context structure.
1800 * Changed `notify' client operation to send same arguments as client
1801 receives from server except for ID's. ID's are mapped to correct
1802 ID entry and that is returned. Also, if channel entry is not sent
1803 by server but the notify is for channel the channel entry is sent
1804 to application (otherwise application doesn't know that it is for
1805 channel (library gets it from packet's Destination ID)).
1807 * Added silc_client_remove_from_channels into client library to
1808 remove a client from all channels it has joined to. Used when
1809 received SIGNOFF notify from server. Added also new function
1810 silc_client_replace_from_channels to replace old ID entry with
1811 new ID entry on all channels. Used when received NICK_CHANGE
1814 * Fixed ID Cache list handling in silc_idlist_get_client in
1815 lib/silcclient/idlist.c. Also, added silc_idlist_get_client_by_id
1816 to get (or query) client by ID.
1818 * Updated TODO list.
1820 * Added connection authentication status message defined by the
1821 protocol: SILC_CONN_AUTH_OK and SILC_CONN_AUTH_FAILED and added the
1822 support for these into the code in client and server side.
1824 * Added generic function silc_client_send_command to send any command
1825 with variable argument list. Application should use this function
1826 to send commands if the command functions provided by the library
1827 does not suite for the application's user interface needs.
1829 * Added new `failure' client operation. Application is notified about
1830 received failure packet if client is executing a protocol. In this
1831 case the protocol's execution has failed.
1833 * Added SKE's end notify to send the SKE_SUCCESS notify message that
1834 is required by the protocol.
1836 * Added SILC_PROTOCOL_STATE_FAILURE to indicate received failure
1837 packet from remote. SILC_PROTOCOL_STATE_ERROR indicates local
1840 * Added status flag to SilcSKE object to indicate realtime status
1841 of the SKE protocol.
1843 * Application receives now exactly same command reply arguments as
1844 the library receives from server. However, if ID is received the
1845 corresponding ID entry is returned to the application (eg. Client
1846 ID is mapped to correct SilcClientEntry entry and that is returned).
1847 Changed command_reply client operation due to this change.
1849 * Changed all ID's in commands and in command replys as ID Payloads.
1850 Change affected both client and server side codes.
1852 All ID's sent in SILC network (with execption of ID's in SILC
1853 Packet header) are sent in ID Payload to support variable length
1856 * Server now notifies nick changes and notifies all clients on
1857 the channels about the new nickname (about the new Client ID,
1860 * Implemented CMODE command to change channel modes. Supports all
1861 channel modes defined by the protocol specs except ban and invite
1862 lists. (Also, private channel key mode is supported but support for
1863 setting private channel key in client is missing, thus, this mode
1864 has no effect on client side (except that server requires that the
1865 client uses private channel key and normal channel traffic does not
1868 Also, invite mode works per se, but INVITE command does not work
1869 yet correctly, so you can set channel as invite only channel but
1870 inviting clients to the channel does not work (it is yet to be
1871 thought what's the best way to do it).
1873 * Added new command SILC_COMMAND_CUMODE to change user mode on the
1874 channel. Defined user modes: CHANNEL_FOUNDER and CHANNEL_OPERATOR.
1875 Implemented CUMODE command to change user's mode on the channel.
1876 Supports all modes defined by the protocol specs.
1878 * Added NAMES command reply to return users modes on the channel.
1880 * Removed unnecessary and slow ciphers from lib/silccrypt.
1882 * Set SO_KEEPALIVE option to connection sockets by default.
1884 * Added new command reply status: SILC_STATUS_USER_NOT_ON_CHANNEL.
1886 * Added notify types: MOTD, CMODE_CHANGE and CUMODE_CHANGE. Also,
1887 redefined the Notify Payload into protocol specs.
1889 * Added silc_id_payload_parse_id to get ID directly from raw
1892 Mon Oct 9 20:57:02 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
1894 * Changed SILC_COMMAND_IDENTIFY in protocol specification to
1895 accept searching by Client ID as well.
1897 * Added support for LEAVE and SIGNOFF notify types in client library.
1899 * Added silc_id_payload_parse_data into lib/silccore/silcpayload.[ch]
1900 to parse ID Payload from raw data.
1902 Sun Oct 8 19:33:08 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
1904 * Added flags parameter into silc_ske_assemble_security_properties
1905 function in lib/silcske/silcske.[ch].
1907 * Changed notify client operation to fit better for notify messages
1908 sent by server. The notify payload received from server is now
1909 passed to the application (after parsing it to SilcNotifyPayload).
1910 It is application's responsibility to retrieve the arguments
1911 from the payload and show the message the way it wants. The message
1912 sent by server is implementation specific.
1914 * Changed public keys to comply with the protocol specification.
1915 Old public keys are not supported anymore and are not compatible.
1917 * Removed nickname from Channel Payload as the latest draft removed
1918 it. The client must resolve the nickname from the NAMES command
1919 reply received when it joined the channel.
1921 Also, changed all channel_xxxx_payload to channel_payload_xxxx.
1923 Sat Oct 7 21:55:01 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
1925 * Fixed some errors in protocol specification drafts.
1927 * Created lib/silccore/silcnotify.c to implement Notify Payload
1928 encoding and decoding, lib/silccore/silcpayload.[ch] to implement
1929 generic payloads described by protocol specifications. The file
1930 includes implementations for ID Payload and Argument Payload.
1932 * Changed Command Payload implementation to use the new Argument
1933 Payload. Changed command_xxxx_payload to command_payload_xxxx
1934 to comply with SILC coding conventions.
1936 * Added suppport for Argument Payload handling in Notify Payload
1937 implementation as protocol requires it. Added the new support
1938 into server and client lib as well.
1940 Thu Oct 5 21:16:28 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
1942 * Added support for multiple nicknames on same channel. [n] is
1943 added locally to the nickname if there are more than one same
1944 nicknames on the channel.
1946 * Server now sends all nicknames that matched WHOIS request.
1947 Client also shows the list received from server.
1949 * Added TOPIC command to client side. User can now set and show
1950 current topic on channel.
1952 * Added MOTD command to client and server. Also, server sends the
1953 motd when client connects to the server.
1955 * Changed version strings to comply ISO 8601.
1957 Wed Oct 4 23:29:06 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
1959 * Fixed protocol error handling in client library. It should now
1960 cope even if the SKE fails for some reason.
1962 * Made new protocol specification drafts for submitting to IETF.
1964 * Implemented TOPIC command to server in silcd/command.c.
1966 * Added two new notify types into lib/silccore/silcnotify.h:
1967 SILC_NOTIFY_TYPE_NICK_CHANGE and SILC_NOTIFY_TYPE_TOPIC_SET to
1968 notify nickname change and topic setting/change on a channel.
1970 * API change of command_reply operation in client library. The
1971 application gets now the status type received from server as well.
1973 Sat Sep 30 16:57:42 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
1975 * Removed the function just added to lib/silcutil/silcschedule.[ch].
1977 * Cras fixed and optimized the packet handling even further and
1978 it should work now. Minor change to the prototype of function
1979 silc_packet_receive_process in lib/silccore/silcpacket.[ch].
1981 Sat Sep 30 08:48:47 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
1983 * Added new function into lib/silcutil/silcschedule.[ch]:
1984 silc_schedule_with_fd to select() a specified fd. The function
1985 returns after timeout expires or data arrives or goes. The
1986 function is used by packet routines to wait that all data is
1987 received from network.
1989 * Fixed data reading from network in lib/silccore/silcpacket.c.
1990 The code now assures that all data is read from the fd and then
1991 continues packet processing. This was a bug fix since the code
1992 used to drop some data in some circumstances.
1994 * Added new function into lib/silcclient/client.[ch]:
1995 silc_client_start_key_exchange to start key exchange after
1996 connection has been established to server. The code internally
1997 now uses this funtion but its main purpose was to provide it
1998 for applications that perform their own connecting. After
1999 application has created a connection it merely calls this
2000 function to start the key exchange between client and server.
2001 The library takes care of everything else after that.
2003 Updated also lib/silcclient/README to explain the usage of
2006 * Do not send to application information that connection has
2007 been established. Application gets notified it by connect
2010 Thu Sep 28 23:40:19 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
2012 * Applied cras's patch to add silc_schedule_one function. The
2013 function runs scheduler once and returns.
2015 * Fixed the scheduler after cras messed it up. The timeout
2016 handling works now as it's supposed to work.
2018 * Added into lib/silccore/ silcnotify.h to include notify
2019 message types support. Changed silc_server_send_notify*
2020 functions, in server.[ch], to support those new notify types.
2021 Added the support for the notify types into client library,
2022 as well. Added new notify client operation into ops.h in
2025 * Changed silc_server_packet_send_to_channel to send normal
2026 packets instead of just channel message packets. The function
2027 is now used to send the notify packets to channels. It is not
2028 used to send channel message packets anymore, as server never
2031 * Added explicit casting into lib/silcutil/silcbuffmt.c to few
2032 va_arg()s as it seems to require it nowadays. I guess, if SILC
2033 is compiled with older va_arg() the new code should work anyway.
2035 Wed Sep 13 18:10:14 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
2037 * Splitted core library. Core library (lib/silccore) includes
2038 now only SILC protocol specific core (and common) components.
2039 Created new utility library (lib/silcutil) that includes more
2040 generic purpose stuff. The stuff for util library was taken
2041 from the old core library. This was minor and easy split.
2043 * Created SILC Client Library (lib/silcclient) that includes
2044 implementation of the SILC client without user interface. This
2045 was major move from silc/ directory. The code has been changed
2046 so that it is transparent towards the user interface. The
2047 silc/ directory includes now the same user interface as before
2048 and it uses the new client library. Read lib/silcclient/README.
2049 Basicly, the client library performs everything else related
2050 to SILC except user interface handling. Also, configuration
2051 files are considered to be part of user interface and library
2052 does not handle them.
2054 This change also changed a lot of structures, function naming etc.
2055 Most important change was that SilcClientWindow object was
2056 renamed to SilcClientConnection in the client library. Created
2057 also new file lib/silcclient/ops.h. Also added new files
2058 silc/local_command.[ch] and silc/client_ops.[ch].
2060 All these changes were made to make it easier for user interface
2061 designers to create what ever user interface for the SILC client
2064 It is also expected that the server will be moved to lib
2065 directory as well and SILC Server Library will be created;
2066 sometimes in the future.
2068 * Removed Local commands from lib/silccore/silccommand.h as
2069 they are application specific and new client library does not
2070 handle any of those anymore.
2072 * Several functions moved to lib/silcutil/silcutilc.[ch] from
2073 old client implementation in silc/.
2075 * Added support for callback functions in SILC_LOG_* macros.
2076 Application can now set its own callbacks that will be called
2077 instead of using the default functions that will always print
2078 the debug messages to stderr (or stdout). Also, debugging can
2079 now be disabled by setting silc_debug to FALSE and re-enabled by
2080 setting it to TRUE. Note, that logging will still work even
2081 if debugging is disabled.
2083 New functions in lib/silcutil/silclog.[ch]: silc_log_set_callbacks,
2084 silc_log_reset_callbacks, silc_log_set_debug_callbacks and
2085 silc_log_reset_debug_callbacks.
2087 * To enable debugging in silc client one must give now -d
2088 option on command line.
2090 * Changed silc_schedule_init to automatically allocate task queues
2091 if they are not allocated before calling it.
2093 Thu Sep 7 10:49:33 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
2095 * Added GMP 3.1 into math library.
2097 Sun Aug 20 21:27:26 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
2099 * Added SILC_PACKET_REMOVE_CHANNEL_USER to remove a client from
2100 a channel in SILC network. The packet is used by servers and
2101 routers to notify other routers that user has left a channel.
2102 This little feature was missing until now. Added the feature
2103 to protocol specification as well.
2105 Added functions: silc_server_send_remove_channel_user and
2106 silc_server_remove_channel_user into server.[ch].
2108 * Added SILC_PACKET_REKEY and SILC_PACKET_REKEY_DONE into
2109 lib/silccore/silcpacket.h. However, they are not implemented
2112 Sat Aug 19 23:04:16 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
2114 * Fixed joining to a channel and sending channel messages
2115 between server and router. The channel message sending should
2116 now work inside a cell.
2118 Tue Jul 25 20:46:13 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
2120 * Fixed the private message sending between server and router.
2121 The private message sending should now work inside a cell.
2123 * Added silc_server_replace_id into server.[ch] to replace
2124 existing ID in the SILC network.
2126 * Added silc_idlist_find_server_by, silc_idlist_replace_client_id
2127 and silc_idlist_replace_server_id into idlist.[ch] in server.
2129 Mon Jul 24 18:33:31 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
2131 * Fixed the server to server connections. Server can again now
2132 connect to router. Router to router connections probably does
2135 Thu Jul 20 13:15:01 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
2137 * Added dynamic protocol registering support. Now protocols can
2138 registered and unregistered on the fly. Patch by cras.
2140 Wed Jul 19 19:08:46 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
2142 * Added lib/contrib directory to hold routines that some platforms
2143 don't have but are needed by SILC.
2145 * Added getopt.c, getopt1.c and getopt.h from GNU C library
2146 into lin/contrib to provide getopt() and getopt_long() for
2147 those who don't have it.
2149 Tue Jul 18 20:41:20 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
2151 * Added AWAY command to client. When away message is set and
2152 client receives a private message packet the client automatically
2153 replies to the sender with the away message.
2155 * Fixed a bug in lib/silcmath/mpbin.c: silc_mp_mp2bin. This
2156 bug seemed to be the cause of recent problems when compiling
2159 * Added version detection support to SKE protocol specification
2160 and added the new changes to the SKE implementation as well.
2161 There were other minor changes in the SKE protocol as well.
2163 Many changes in lib/silcske/silcske.[ch] and in
2164 lib/silcske/payload.[ch].
2166 * Added ^U functionality, clear input line. Patch from cras.
2168 Mon Jul 17 23:33:26 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
2170 * Mainly small bugfixes on core library. Fixed some debugging
2171 logging and buffer overflow in silclog.c.
2173 * Updated config.sub and config.guess on the distribution tree.
2175 Sat Jul 15 15:33:48 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
2177 * Added command lagging support in server. Client may execute
2178 commands now only once in two seconds.
2180 Thu Jul 13 22:10:21 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
2182 * Optimized packet reception. MAC computation and checking is now
2183 also more optimized. A lot previously duplicated code is now
2184 used as generic by both client and server.
2186 * Fixed key pair generation in clientutil.c
2188 Wed Jul 12 18:28:07 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
2190 * Added into lib/silccore/silcbufutil.[ch] new function;
2191 silc_buffer_realloc.
2193 * Moved generic packet sending/encryption functions to
2194 lib/silccore/silcpacket.[ch] from client and server. Some
2195 rewriting of the functions.
2197 * Moved all generic packet reception/decryption functions to
2198 lib/silccore/silcpacket.[ch] from client and server. The
2199 packet processing is now much cleaner in both client and server.
2200 These were major changes in both client and server.
2202 * Created many common functions in server to do packet sending.
2203 Previously code were duplicated a lot, this has been removed
2206 Tue Jul 11 20:27:26 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
2208 * Rewrote major parts of the ID cache system. Don't know
2209 whether it is better now or not but at least the API is more
2212 * Major rewrite on ID cache stuff on client because of the ID
2213 cache API changes. Added idlist.c to client.
2215 * Also major rewrite on ID cache stuff on server as well.
2216 Major rewrite of idlist.[ch]. SilcXXXList's are now named
2217 SilcXXXEntry's. We won't keep anymore idlist specific pointers
2218 in hand, instead they are all put into the ID cache system now.
2219 All server_idlist_* routines uses ID cache now instead of
2220 traversing its own lists (those lists does not exist anymore).
2221 SilcIDList though still exists. Also, SilcXXXEntry's are
2224 Sun Jul 9 15:19:24 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
2226 * Finally made the SKE implementation compliant to the protocol
2227 specification. All mp integers are now binary encoded as
2228 opposed being HEX encoded.
2230 * Added lib/silcmath/mpbin.[ch]. Encoding mp intergers to and
2233 * Added into lib/silccore/silcutil.[ch] PEM encoding/decoding
2234 functions: silc_[encode/decode]_pem. Also added function
2235 silc_encode_pem_file to PEM encode with newlines ('\n') for
2238 * SILC public keys are now encoded either PEM or binary. Same
2239 option is for private keys as well. By default private keys
2240 are binary encoded and public keys PEM encoded. Silly HEX
2241 encoding were removed.
2243 * Added into lib/silccrypt/silchash.[ch] silc_hash_fingerprint
2244 function to create fingerprints.
2246 * Fixed a bug in SHA1; does not change the original data anymore.
2248 * Partly implemented INFO command on client and server side.
2249 Fixed CLEAR command. Changes to SERVER command; show current
2250 server(s) when giving command without arguments. Added
2251 VERSION command to client.
2253 * Added check to server that unregistered connections cannot
2254 execute commands (unless it is specificly allowed).
2256 Thu Jul 6 18:12:24 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
2258 * Fixed screen refresh.
2260 * Fixed channel joining bug from client. On some circumstances
2261 client tried to join to a channel it had already joined.
2263 * Added public key verification process into client's protocol.c.
2264 The client now verifies the public key from user and saves
2265 it into ~./silc/serverkeys/ directory.
2267 Added into: clientutil.[ch]: silc_client_verify_server_key.
2269 * Changed SKE protocol's silc_ske_initiator_finish function
2270 to accept callback function that verifies the received public
2271 key. Removed old silc_ske_verify_public_key function.
2273 Wed Jul 5 19:19:02 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
2275 * Added into silcpkcs[ch]: silc_pkcs_public_key[_data]_set and
2276 silc_pkcs_private_key[_data]_set.
2278 * Made the password and public authentication more cleaner in
2279 server's protocol.c.
2281 * Removed historic and obsolete protocol `channel_auth' from
2282 both client and server.
2284 * Removed wrong way of sending command status messages from
2285 server to client in server's command.c. The old way violated
2286 protocol specification.
2288 Changes to silccore/silccommand.[ch]: removed
2289 silc_command_encode_status_payload -> not needed anymore,
2290 changed silc_command_encode_payload_va to accept extra
2291 argument on variable argument list. The argument type must
2292 now be provided to the function. Also, added new function:
2293 silc_command_encode_reply_payload_va which is same as
2294 normal command_encode_payload_va except command status type
2295 is provided as extra argument.
2297 Tue Jul 4 18:26:39 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
2299 * Added ~./silc directory handling. The directory includes the
2300 public and private keys for the client.
2302 Added silc_client_check_silc_dir, silc_client_create_identifier
2303 and silc_client_load_keys.
2305 * Implemented SILC protocol compliant public key. Added public
2306 and private key saving to and loading from files.
2308 Added into silcpkcs.[ch]: silc_pkcs_encode_identifier,
2309 silc_pkcs_public_key_encode[_data], silc_pkcs_public_key_decode,
2310 silc_pkcs_private_key_encode[_data], silc_pkcs_private_key_decode,
2311 silc_pkcs_public_key_alloc, silc_pkcs_public_key_free,
2312 silc_pkcs_private_key_alloc and silc_pkcs_private_key_free.
2314 Implemented: silc_pkcs_save_[public/private]_key[_data] and
2315 silc_pkcs_load_[public/private]_key.
2317 Mon Jul 3 18:51:27 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
2319 * Added silc_server_get_route (route.[ch]) to get connection
2320 data for the fastest route for given ID.
2322 * Implemented INVITE command on client and server. The command
2323 were re-defined in the SILC Protocol Specification and the
2324 implementation now complies with the specification.
2326 * Implemented PING command on client and server.
2328 * Implemented NAMES command on client and server. The server side
2329 supports currently only normal server not router server yet.
2330 Some changes to NAMES definition in SILC protocol specification.
2332 Sun Jul 2 18:23:01 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
2334 * Implemented LEAVE command on client and server.
2336 * Previously deprecated SILC_PACKET_FORWARDED flag is now in use
2337 again. This change was made to the protocol as well. Server
2338 should not violate the protocol specification anymore.
2340 Fri Jun 30 14:03:26 EEST 2000 Pekka Riikonen <priikone@poseidon.pspt.fi>
2342 * Added SOCKS4 and SOCKS5 support to SILC client. SOCKS5
2343 was tested. SOCKS4 was not but should work anyway.
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