-TODO
-====
+TODO/bugs in Irssi SILC client
+==============================
-This is more or less complete list of tasks that has to be done before
-SILC 1.0 could ever be released. It is clear that the list does not
-include all the bugs that exists. At the end of list are tasks that
-needs to be done but are probably post 1.0.
+ o Do not let irssi update the status bar on JOIN until the join command
+ is successful, so that it does not update that I'm on the channel
+ even though I could not join the channel.
-Feel free to contribute if you have the ability and free time - all the
-help is really appreciated - and needed.
+ o The CMODE notify handling in client library may return NULL
+ client entry pointer to the application (when server was the CMODE's
+ executor). Fix this somehow.
- - Pekka
+ o Add PERL scripting support from Irssi CVS.
+ o Add local commands to list the current server and client public keys
+ that the user has. And a local command to dump the contents of the
+ public key to the screen. Something like LISTKEYS, SHOWKEY...
-New features TODO
-=================
+ o We should get rid of the clientconfig.[ch] in Irssi SILC and move the
+ cipher, hash, hmac and pkcs configuration to the Irssi SILC's config
+ file.
- o Extended SIM (SILC Module) support. Currently only SILC Cipher API
- and SILC Hash API may be used as SIM's. What I have in mind is to
- have extended support for SIM's so that basically any SILC API could
- be used as SIM's. This would open tremendous possiblities but
- opens also issues on security that needs to be dealt with.
+ o Extend the /HELP command to support sub commands or something. So
+ that user can say /help set mutual_authentication they would get
+ help of the mutual_authentication setting.
- Some sort of SIM compilation environment should be defined so that
- the SIM's could use SILC specific symbols from the modules (which they
- cannot do currently). In the future modules could add new features
- to SILC easily with this support. I'm more thinking this from client's
- perspective to add new features to client (such as IRC support as SIM)
- but server should have the support as well. Anyhow, this is an
- interesting feature...
+ o Set different kind of settings, like, /set mutual_authentication,
+ /set key_exchange_timeout, /set conn_auth_timeout etc etc.
- This maybe post 1.0 task - dunno.
- o SIM support for other platforms than just for Linux. Apache has
- example code (code that we could use directly pretty easily) for
- other platforms.
+TODO/bugs In SILC Client Library
+================================
- o We should replace all short, int, long, unsigned short, unsigned int,
- unsigned long with some pre-defined datatypes that really are what
- we want on all platforms. int16, uint16, int32, uint32 etc. are
- what we could use or maybe SilcInt16, SilcUInt16 etc. Also, boolean
- datatype should be defined.
+ o Library should save the cumode and not start from 0 everytime then
+ CUMODE is issued. A mechanism of getting the channel entry for
+ CMODE and CUMODE by the command reply identifier must be added.
+ Otherwise saving the modes for the channels and channel user
+ entries are impossible since server does not send Channel ID as
+ command reply in these functions.
- o More platform supports should be added. The code is pretty much
- generic but there are some parts that require porting (SIM). Also,
- some support for different platforms is needed into configure.in.
+ o All protocol execution timeouts are hard coded. They should be
+ configurable and the Irssi SILC client should be able to set them
+ with for example /set key_exchange_timeout etc. The silc_client_alloc
+ should take a Params structure or something as argument.
- o SILC requires currently GCC to work because we use GCC specific
- compilation options. Generally any compiler that supports inline
- functions and can build shared libraries (for SIMs) should work.
- These cases should be included into configure.in.
+ o silc_client_close_connection leaks memory. Read the XXX from code.
+ o The client library must manage somehow when receiving client that has
+ same nickname, same server, same username but different Client ID than
+ what we have in the cache. It is now assumed that they are different
+ client but it might not be. It should at least number the clients
+ using the client->num so that they can be accessed from the user
+ interface separately or it could just remove the old client unless
+ it is on some channels.
-TODO In SILC Client
-===================
- o Implement all commands. A lot of commands are still yet to be
- implemented. Most of them are trivial but some will require some
- planning. Go see the command.c for unimplemented commands.
+TODO/bugs In SILC Server
+========================
- o Non-blocking connection on the background must be stopped if some
- other connection on same window has established. Now it is possible
- that some non-blocking connection timeouts on the background when
- we already have a working connection to some other place; things
- goes bad.
+ o When server quits and all clients of that server are removed from all
+ channels the channel keys are re-generated for all clients. This is
+ a bug and should be done only once per channel after all clients of
+ the server has been removed.
- o Finish WHOIS, finish JOIN and other commands that are partly
- implemented.
+ o Incomplete IPv6 support:
- o Input line on UI is buggy. Cursor movement etc bugs. Too lazy to
- fix it.
-
- o Logic for handling multiple same nicknames for example in private
- message sending. I guess the logic is done in server side but is
- missing from client.
-
- o Private message key setting is missing and must be implemented.
- Currently private messages are encrypted with session keys. This
- is required by the protocol.
-
- o Channel private key setting is missing and must be implemented.
- Currently there cannot be private keys for channels. Normal channel
- keys (generated by server) are used. This is required by the protocol.
-
- o I guess, public key authentication (when connecting to a server)
- is not working currently. It is just matter of loading the keys
- from file and using them (see corresponding code in server, it should
- support public key authentication already).
-
- o Multiple windows support. Basic support for multiple windows already
- exists but a lot is still missing to get it working. Also, some
- of the existing stuff probably needs to be tweaked a bit before the
- multiple windows support could be done. And of course the actual
- commands that control the windows needs to be written (/WINDDOW).
-
- o Implement /KEYMAP (or similiar) command to remap control and function
- keys.
-
- o Implement /ALIAS command to make command aliases.
-
- o Implement /set/if/do/while etc as in IRC2. Maybe post 1.0 task.
- Some scripting would be good.
-
- o Connection Authentication request resolving is missing and must be
- done. This is required by the protocol.
-
- o Key Exchange protocol's responder side is missing from client.
- Generally it is possible for the client to be responder so it should
- be implemented (See corresponding code from server). Error handling
- in the KE protocol is also in pretty bad shape in client.
-
- o Configuration file format - could be better.
-
- o Write help files for commands. Nice format for the help files should
- be selected. I'm open for ideas.
-
- o All allocations and freeing needs to be checked for memory leaks.
-
-
-TODO In SILC Server
-===================
-
- o Implement all commands on server side. A lot of commands are still yet
- to be implemented. Most of them are trivial but some will require some
- planning. Go see the command.c for unimplemented commands.
+ o silc_server_get_users_on_channel does not support IPv6 based
+ Client ID's.
+ o silc_server_route_get and the route code in general supports
+ only IPv4.
+ o silcd/serverid.c and its routines supports only IPv4.
o DNS/IP lookup blocks the server. This must be fixed. Check the
resolver stuff (resolver(3), resolver(5)). Either we have to do the
own resolver stuff (through scheduler, if possible without writing
too much own stuff) or use threads.
- o Length of the packet processing timeouts needs to be checked whether
- they are too short or too long. I haven't really tested whether they
- are suitable. They should be tested on high load which I haven't done
- at all yet.
-
- o INVITE command must set the channel's invite list if channel is
- invite-only channel.
-
- o Server says that it is able to listen on multiple ports but currently
- that is bogus. It can, but internals are for single server.
-
- o Command flag usage in general is not implemented yet.
-
- o Client history must be implemented. Protocol says that server must
- keep history information about clients for some period of time.
+ o The backup router support described in the protocol specification
+ should be done at some point.
- o Channel flags and user modes on channels are not implemented yet as
- /MODE command is not implemented yet in client and server.
+ o New configuration file format must be added. The new one will be
+ done using the dotconf config library (lib/dotconf). The following
+ tasks relates closely to this as well and must be done at the same time
+ when adding the new config file format:
- o Protocol execution timeouts are hard coded, should be configurable.
+ o Server says that it is able to listen on multiple ports but
+ currently that is bogus. It can, but internals are for single
+ server.
- o serverutil.c I guess should be created for util-like functions that
- now resides in server.c, which is getting too big.
+ o Protocol execution timeouts are hard coded, should be
+ configurable.
- o serverconfig.c and the function naming in it is inconsistent. It is
- not silc_config_server* it should be silc_server_config*. As should
- all the SilcConfigServer* types be SilcServerConfig*.
+ o IP address fields in configuration file should accept mask
+ format as well, IP/MASK, and not just plain IP.
- o Implement DENY_CONNECTION section in serverconfig.c and in server.
+ o Connection classes should be actually implemented in
+ serverconfig.c. They can be defined but they are totally
+ ignored currently. And they should be redefined also.
- o Implement REDIRECT_CLIENT section in serverconfig.c and in server.
- o Configuration file format - could be better.
+TODO/bugs In SILC Libraries
+===========================
- o IP address fields in configuration file should accept mask format
- as well, IP/MASK, and not just plain IP.
+ o Incomplete IPv6 support:
- o Connection classes should be actually implemented in serverconfig.c.
- They can be defined but they are totally ignored currently.
-
- o Acceptance of incoming connections (client and server connections)
- should be checked before key exchange protocol. Currently it is
- checked at the authentication phase after KE, that is ok, but it should
- be checked before starting KE, as well.
-
- o Statistics are totally missing from the server. It would be nice
- to gather some statistics.
-
- o All allocations and freeing needs to be checked for memory leaks.
-
-
-TODO In SILC Libraries
-======================
-
- o Implement PFS (Perfect Forward Secrecy) flag in SKE (and in client and
- server, actually). If PFS is set, re-key must cause new key exchange.
- This is required by the SILC protocol.
-
- o Re-key in general is actually missing (from everywhere) and must be done.
-
- o SKE does not send correct status types. Types are defined but not
- sent.
-
- o Connection authentication protocol does not send correct status types.
- These types are not defined currently at all.
-
- o PKCS#1 style RSA public key encryption/decryption/sign/verify is
- missing, and should be added for interoperability reasons. The thing
- I've done now is bad and should be removed as soon as possible (or
- the protocol should then state the method of how they should be done).
-
- o Slow ciphers should be removed. I think we don't need more than
- the AES finalists plus blowfish and RC5.
-
- o These slow ciphers actually don't work currently as I've tested
- only the ones that are worth testing. The CBC mode on these slow
- ciphers probably don't work. No need to worry, these ciphers should
- be removed.
-
- o Scheduler needs to be analyzed on high load as it might be unfair
- towards select() because it may run timeout tasks before select() and
- after select(). If it is found to be unfair the timeout task running
- before select() should probably be removed.
-
- o On select() issue; maybe we should use poll() instead if it is
- available? poll() doesn't have max fd limit...
-
- o SIM support for SILC PKCS API needs to made so that they could be
- used as SIM's. At the same time some work is required on prime
- generation as the way it is done now sucks. Read from code for
- more (silcpkcs.h).
+ o All network routines in lib/silcutil/silcnet.[ch] does not
+ support IPv6.
+ o silc_id_render supports only IPv4 based ID's in the file
+ lib/silcutil/silcutil.c.
o Compression routines are missing. The protocol supports packet
compression thus it must be implemented. SILC Comp API must be
not in distribution), but it is not used yet, and it requires some
tweaking on the Makefiles (we want static lib not shared).
- o Cipher API needs to be made more consistent. Some parts of the
- code generated with current Cipher API looks really bad. Same
- is with PKCS API, even worse actually. They need to be made
- cleaner. Introducing silc_cipher_encrypt/decrypt/set_key etc.
- functions (I actually don't understand why have I left these un-done).
+ o The CAST cipher is not compiled currently due to compilation errors;
+ check those. Cast is in lib/silccrypt/cast.c.
- o Packet processing routines in client and server are actually pretty
- much generic and should be moved from the client/server to the library
- as generic routines (silc_<client/server>_packet_decrypt_rest* etc).
- This requires heavy changes to the client and server.
+ o All payload parsing (decoding) functions should take unsigned char *
+ and uint32 as data and data length as arguments. Now some of the
+ routines do already that but most of the routines use SilcBuffer.
+ The SilcBuffer ones should be removed since buf->data and buf->len
+ is more convenient to use. However, the silc_buffer_[un]format
+ routines support only SilcBuffer so they would require reallocation
+ of SilcBuffer. Maybe support for raw data (and not just SilcBuffer)
+ should be added silc_buffer_[un]format_? routines. These are currently
+ only cosmetic changes but at some point must be done to make the
+ payload interfaces consistent.
- o Random Number Generator needs some tweaking. Reading /dev/random may
- block resulting slow initialization of RNG. Some other things in the
- RNG may block as well. Also, I have some pending changes to the RNG
- that needs to be commited (from Schneier's Yarrow-160 paper). They
- should make the RNG even better.
+ o Add builtin SOCKS and HTTP Proxy support, well the SOCKS at least.
+ SILC currently supports SOCKS4 and SOCKS5 but it needs to be compiled
+ in separately.
- o Logging should be made more generic in a way that application can
- set to where the logging is destined to. Now, it is always destined
- to stdout (or stderr) which is a bad thing for client. Ie. some
- sort of logging registration functions or similiar should be done
- (silclog.[ch] in core). The actual output of logs should be done
- by callback function in the application not in lib.
- o All allocations and freeing needs to be checked for memory leaks.
+TODO In SILC Protocol
+=====================
- o silc_buffer_[un]format() needs to be made more stable as it may
- crash the SILC if malformed data is sent as argument. There are a
- lot of places in client and server where we trust directly data coming
- from network and try to unformat it. The unformatting routine needs
- to be able handle situations where data sent is malformed, by mistake
- or intentionally. This is important as it is easy to crash the SILC
- now by just sending malformed data. Also, in client and server we
- must start checking the return value from silc_buffer_[un]format.
+ o pp-03 draft:
+ o Add SILC_MESSAGE_FLAG_SIGNED flag that indicates that the
+ messages is signed with the senders private key and thus can
+ be verified with its public key. This is especially handy
+ feature when sending privat messages without having negotiated
+ private keys, thus the servers decrypts and re-ecnrypts the
+ messages. Other applications exists as well.
-Other Things TODO
-=================
-
- o Write manuals for server.
-
- o Write manuals for client.
-
- o Write SILC Library Reference manual. This would include all the SILC
- API's with simple examples how the functions are to be used. This is
- pretty easy to create by taking all the functions plus their comments
- from source/header files. However, same sort of reference manual
- should be written for client and server as well.
+ o If channel founder mode is set and the invite mode is set on channel
+ then the founder should be added to the list automatically so that
+ if the founder signoff's it will be able join again to the invite only
+ channel wihtout being invited.
TODO After 1.0
to start writing one myself. Anyhow, the OpenSSL X.509 lib should
be checked.
+ Other package that should be checked is the NSS's X509 library.
+
o SSH2 public keys support. Maybe - not really needed but could be
nice as SSH is widely used all over the place. SILC Protocol
supports SSH2 public keys.
- o IRC support for SILC client. This would be nice to have on client
- as it could be used to connect to SILC and IRC. People wouldn't
- have to have two different clients when same would work on both.
- I'd like to see this done as SIM, after the extended SIM support
- has been added to SILC.
-
o Cipher optimizations (asm, that this) at least for i386 would be nice.
projects / silc.git / blobdiff