X-Git-Url: https://fleuret.org/cgi-bin/gitweb/gitweb.cgi?p=ircml.git;a=blobdiff_plain;f=ircml.ml;fp=ircml.ml;h=d0ab13774f4c7e06487758962ae33e2d4baad42f;hp=0000000000000000000000000000000000000000;hb=41ed4cf0af1eab1c7b14246f8e1e09fd7b8f3ac9;hpb=269a81852a0c30b83f32eb997de5483558eaafc2 diff --git a/ircml.ml b/ircml.ml new file mode 100644 index 0000000..d0ab137 --- /dev/null +++ b/ircml.ml @@ -0,0 +1,1090 @@ +(* -*- mode: tuareg -*- ******************************************************) +(* *) +(* This is a light IRC client written in CAML *) +(* Written by and (c) Francois Fleuret, 2002 - 2005 *) +(* Contact for info and bug reports *) +(* *) +(* This program is free software; you can redistribute it and/or modify *) +(* it under the terms of the GNU General Public License Version 2 as *) +(* published by the Free Software Foundation. See the file LICENSE for *) +(* more details. *) +(* *) +(*****************************************************************************) + +open Connection;; + +(* I removed all the dcc stuff between v0.25 and v0.5 because it was a + biiiig pile of crap. Feel free to write it ! *) + +let version = "IRCML v0.5";; + +let term_bold = ref "" +and term_underline = ref "" +and term_inverse = ref "" +and term_reset = ref "";; + +(*****************************************************************************) +(* Various stuff *) +(*****************************************************************************) + +let keys h = Hashtbl.fold (fun key data accu -> key :: accu) h [] + +let verbose = ref false;; + +(* Return the element after the given one, or the first of the list if + the given one is the last *) + +let circular_succ = + fun x l -> + let rec next_rec x = function + [] -> raise Not_found + | h::t -> if h = x then List.hd t else next_rec x t + in try next_rec x l with Failure(e) -> List.hd l;; + +let string_of_size size = + if size > 1048576 then (string_of_int (size / 1048576))^"Mb" + else if size > 1024 then (string_of_int (size / 1024))^"Kb" + else (string_of_int size) ^ "b";; + +let duration_of_seconds duration = + (if duration >= 3600 then (string_of_int (duration/3600))^"h" else "") ^ + (if (duration mod 3600) >= 60 then (string_of_int ((duration mod 3600)/60))^"min" else "") ^ + (if (duration mod 60) > 0 then (string_of_int (duration mod 60))^"s" else "");; + +(*****************************************************************************) +(* The global variables *) +(*****************************************************************************) + +type user_status = { mutable operator: bool } +let string_of_user = fun u -> (if u.operator then "@" else "") + +type channel = { name: string; people: (string, user_status) Hashtbl.t ; modes: (char, string) Hashtbl.t };; + +let ssfe = ref false + +and my_host = ref "" + +and desired_nick = ref "b0z0" +and desired_server = ref "localhost" +and desired_port = ref 6667 + +and current_nick = ref "" +and (current_modes: (char, string) Hashtbl.t) = Hashtbl.create 10 +and default_channel = ref "" + +and login = ref "c4mlp0w4" +and name = ref ("Using " ^ version ^ ", the light IRC client in CAML") + +and alive = ref true;; + +(* Print something with a 'header character' à la sirc *) +(* '<' Leaving channel (part, kick, signoff, etc.) *) +(* '>' Joining a channel *) +(* 'E' Error *) +(* 'I' Information *) +(* 'X' Internal error, should never meet one *) +let printh h s = output_string Pervasives.stdout + begin + match h with + "E" -> (!term_bold ^ "*" ^ h ^ "*" ^ " " ^ s ^ !term_reset ^ "\n") + | _ -> (!term_bold ^ "*" ^ h ^ "*" ^ !term_reset ^ " " ^ s ^ "\n") + end;; + +(* Simply print something in the console *) +let print s = output_string Pervasives.stdout (s ^ "\n");; + +type ssfe_cmd = Status of string | Tabulable of string;; + +let current_status = ref "";; + +let tell_ssfe x = + if !ssfe then begin + match x with + Status(s) -> if not (s = !current_status) then (current_status := s; print ("`#ssfe#s" ^ s)) + | Tabulable(s) -> print ("`#ssfe#t" ^ s) + end;; + +(*****************************************************************************) +(* Command line parameter parsing *) +(*****************************************************************************) + +Arg.parse [ ("-nick", Arg.String(fun n -> desired_nick := n), "Set the desired nick"); + ("-server", Arg.String(fun s -> desired_server := s), "Set the desired server"); + ("-port", Arg.Int(fun p -> desired_port := p), "Set the desired port"); + ("-login", Arg.String(fun s -> login := s), "Set the login"); + ("-name", Arg.String(fun s -> name := s), "Set the name") ] + (fun s -> ()) "Unknown option";; + +(*****************************************************************************) +(* The connection with the server *) +(*****************************************************************************) + +type connection = + Established of Unix.file_descr + | Broken;; + +let last_server_msg = ref 0;; + +let server_connection = ref Broken;; + +(* This is the list of file descriptors active for reading. Each one + corresponds to a reader which will be called when something is + readable and a exception-handler, called if the connection is lost, + with the reason *) + +type fd_machine = { reader: unit -> unit; error_handler: string -> unit };; + +let (fd_active: (Unix.file_descr, fd_machine) Hashtbl.t) = Hashtbl.create 10;; + +(*****************************************************************************) +(* Handling of the channel list *) +(*****************************************************************************) + +let (joined_channels: (string, channel) Hashtbl.t) = Hashtbl.create 10;; + +let find_joined c = Hashtbl.find joined_channels (String.uppercase c) +and mem_joined c = Hashtbl.mem joined_channels (String.uppercase c) +and set_joined c x = Hashtbl.replace joined_channels (String.uppercase c) x +and remove_joined c = Hashtbl.remove joined_channels (String.uppercase c) +and same_channel c1 c2 = (String.uppercase c1) = (String.uppercase c2);; + +let part_channel channel = + remove_joined channel; + if !default_channel = channel + then match (keys joined_channels) with + [] -> default_channel := ""; if not !ssfe then printh "I" "Not in a channel anymore" + | c::t -> default_channel := c; printh "I" ("Talking to " ^ !default_channel ^ " now");; + +(*****************************************************************************) +(* Takes a string and returns an array of strings corresponding to the *) +(* tokens in the IRC protocole syntax. I.e. tokens are separated by white *) +(* spaces except the tail which is after a ':' *) +(*****************************************************************************) + +let (irc_tokenize: string -> string array) = fun s -> + let l = (String.length s) in + let rec irc_tokenize s n = + if String.get s n == ':' then [String.sub s (n + 1) (l - n - 2)] else + try + let m = String.index_from s n ' ' in + let h = String.sub s n (m - n) in + h::irc_tokenize s (m+1) + with + Not_found -> if n < l then [String.sub s n (l - n - 1)] else [] + in + (* Ignore the prefix if there is one *) + if (String.get s 0) == ':' then + let n = (String.index s ' ') in Array.of_list ((String.sub s 1 (n - 1))::(irc_tokenize s (n+1))) + else Array.of_list (""::(irc_tokenize s 0));; + +(* Function to split the "nick!login@host" *) + +let (split_prefix: string -> string * string * string) = fun prefix -> + let n1 = (String.index prefix '!') in + let n2 = (String.index_from prefix n1 '@') in + (String.sub prefix 0 n1, + String.sub prefix (n1 + 1) (n2 - (n1 + 1)), + String.sub prefix (n2 + 1) ((String.length prefix) - (n2 + 1)));; + +(*****************************************************************************) +(* The aliases *) +(*****************************************************************************) + +let (cmd_aliases: (string, string) Hashtbl.t) = Hashtbl.create 100;; + +List.iter (fun (a, b) -> Hashtbl.replace cmd_aliases a b) [ + ("J", "JOIN"); ("M", "MSG"); ("K", "KICK"); ("L", "CHANINFO"); + ("N", "NICK"); ("Q", "QUIT"); ("T", "TOPIC"); ("W", "WHOIS"); + ("DC", "DISCONNECT"); ("S", "SERVER"); ("H", "HELP") +];; + +(*****************************************************************************) +(* The managers will be filled later *) +(*****************************************************************************) + +let (protocole_managers: (string, string array -> unit) Hashtbl.t) = Hashtbl.create 100;; +let (cmd_managers: (string, string * ((unit -> string) -> (unit -> string) -> unit)) Hashtbl.t) = Hashtbl.create 100;; +let (ctcp_managers: (string, (unit -> string) -> (unit -> string) -> string -> string -> unit) Hashtbl.t) = Hashtbl.create 10;; + +(*****************************************************************************) +(* The routines handling lines from the server or the user *) +(*****************************************************************************) + +let print_unknown_protocole = fun tokens -> + let buffer = Buffer.create 100 in + Buffer.add_string buffer "Unknown protocole"; + for i = 0 to ((Array.length tokens) - 1) do + Buffer.add_string buffer (" " ^ (string_of_int i) ^ ":(" ^ tokens.(i) ^ ")"); + done; + printh "X" (Buffer.contents buffer);; + +let server_line_handler = fun line -> + if !verbose then (print_string ("SERVER [" ^ line ^ "]\n"); flush stdout); + last_server_msg := int_of_float (Unix.time ()); + let tokens = (irc_tokenize line) in + try + let f = Hashtbl.find protocole_managers tokens.(1) in + try f tokens with Not_found -> printh "E" ("Protocole " ^ tokens.(1) ^ " raised Not_found!") + with + Not_found -> print_unknown_protocole tokens;; + +let kill_server_connection error_message = + match !server_connection with + Established(fd) -> + begin + Hashtbl.remove fd_active fd; + server_connection := Broken; + printh "E" ("Connection lost (" ^ error_message ^ ")"); + default_channel := ""; + Hashtbl.clear joined_channels + end + | Broken -> exit 1;; + +let tell_server line = + match !server_connection with + Established(fd) -> + begin + try + if (Unix.write fd line 0 (String.length line)) <= 0 then kill_server_connection ("write error") + with + Unix.Unix_error(e, fname, fparam) -> kill_server_connection (fname ^ ": " ^ (Unix.error_message e)) + end + | Broken -> printh "E" "No connection";; + +let establish_connection () = + match !server_connection with + Established(_) -> printh "E" "Connection already established (try /DISCONNECT first)" + | Broken -> + printh "I" ("Attempting connection to " ^ !desired_server ^ + ":" ^ (string_of_int !desired_port) ^ + " with nick " ^ !desired_nick); + try + let fd = Connection.connect !desired_server !desired_port in + begin + match Unix.getsockname fd with + Unix.ADDR_INET(ai, _) -> my_host := Connection.dot_to_number (Unix.string_of_inet_addr ai) + | _ -> printh "E" "Internal error #0"; + end; + server_connection := Established(fd); + Hashtbl.replace fd_active fd { reader = linizer fd server_line_handler; error_handler = kill_server_connection }; + tell_server ("USER " ^ !login ^ " caml rulez :" ^ !name ^ "\n"); + tell_server ("NICK " ^ !desired_nick ^ "\n"); + last_server_msg := int_of_float (Unix.time ()); + printh "I" ("Connection established, waiting for server checkings."); + with + Network_error(e) -> printh "E" ("Can not connect to host: " ^ e);; + +let stdin_line_handler = fun line -> + (*print_string ("STDIN [" ^ line ^ "]\n"); flush stdout;*) + if String.length line > 0 then + match String.get line 0 with + '/' -> + begin + let (cl_token, cl_tail) = tokenizer line ' ' in + let cmd = String.uppercase (cl_token ()) in let cmd = String.sub cmd 1 ((String.length cmd) - 1) in + let cmd = try Hashtbl.find cmd_aliases cmd with Not_found -> cmd in + try + let (_, f) = (Hashtbl.find cmd_managers cmd) in + begin + try + f cl_token cl_tail + with + Not_found -> printh "E" ("Command " ^ cmd ^ " raised Not_found!") + end + with + Not_found -> printh "E" ("Unknown command '" ^ cmd ^ "'"); + end + + | '@' -> + begin + let (cl_token, cl_tail) = tokenizer line ' ' in + match cl_token () with + "@ssfe@i" -> + begin + ssfe := true; + printh "I" "You are using ssfe"; + term_bold := ""; + term_underline := ""; + term_inverse := ""; + term_reset := ""; + end + | _ -> () + end + + | _ -> + if !default_channel = "" + then printh "E" "Not in a channel" + else + begin + print ("<" ^ !current_nick ^ "> " ^ line); + tell_server ("PRIVMSG " ^ !default_channel ^ " :" ^ line ^ "\n") + end;; + +let console_reader = linizer Unix.stdin stdin_line_handler +and console_error = fun error_message -> printh "E" ("Stdin error (" ^ error_message ^ ")"); exit 1 in + Hashtbl.replace fd_active Unix.stdin { reader = console_reader; error_handler = console_error };; + +(*****************************************************************************) +(* Functions to handle scripts *) +(*****************************************************************************) + +Hashtbl.add cmd_managers + "LOAD" + begin + ": Loads the given bytecode object", + fun token tail -> + try + let module_name = token () in + printh "I" ("loading module " ^ module_name); + try + Dynlink.loadfile(module_name) + with + Dynlink.Error error -> printh "E" ("Module loading error (" ^ (Dynlink.error_message error) ^ ")"); + | Sys_error error_message -> printh "E" ("Module loading error (" ^ error_message ^ ")"); + with + Not_found -> printh "E" "Missing argument" + end; + +(*****************************************************************************) +(* Functions to handle the various user commands *) +(*****************************************************************************) + +(* Each manager gets two (unit -> string), the first one to get tokens + one after another and the second one to get the tail when required *) + +Hashtbl.add cmd_managers + "TEST" + begin + "", + fun token tail -> + Hashtbl.iter + begin + fun name chan -> + Hashtbl.iter + (fun nick user -> print ("on " ^ name ^ " : [" ^ (string_of_user user) ^ "] " ^ nick)) + chan.people + end + joined_channels + end; + +Hashtbl.add cmd_managers + "HELP" + begin + "[]: Shows the help for the given command, or for all of them", + fun token tail -> + try + let cmd = String.uppercase (token ()) in + try + let (h, f) = (Hashtbl.find cmd_managers cmd) in + printh "H" ("/" ^ cmd ^ " " ^ h) + with + Not_found -> printh "H" ("Unknown command " ^ cmd) + with + Not_found -> Hashtbl.iter (fun cmd (help, f) -> (printh "H" ("/" ^ cmd ^ " " ^ help))) cmd_managers + end; + +Hashtbl.add cmd_managers + "ME" + begin + "[]: Describes an action in the default channel", + fun token tail -> + if !default_channel = "" + then printh "E" "Not in a channel" + else let msg = try (tail ()) with Not_found -> "" in + tell_server ("PRIVMSG " ^ !default_channel ^ " :ACTION " ^ msg ^ "\n"); + print ("* " ^ !current_nick ^ " " ^ msg) + end; + +Hashtbl.add cmd_managers + "AWAY" + begin + "[]: Sets yourself away", + fun token tail -> + try tell_server ("AWAY :" ^ (tail ()) ^ "\n") + with Not_found -> tell_server "AWAY\n"; + end; + +Hashtbl.add cmd_managers + "MSG" + begin + " : Sends a message to a user, or a channel", + fun token tail -> + try + let dest = (token ()) and msg = (tail ()) in + tell_ssfe (Tabulable ("/msg " ^ dest ^ " ")); + match String.get dest 0 with + '#' | '&' -> + begin + print ("<" ^ !current_nick ^ (if same_channel !default_channel dest then "" else "/" ^ dest) ^ "> " ^ msg); + tell_server ("PRIVMSG " ^ dest ^ " :" ^ msg ^ "\n") + end + + | _ -> + begin + print (">" ^ dest ^ "< " ^ msg); + tell_server ("PRIVMSG " ^ dest ^ " :" ^ msg ^ "\n") + end + + with Not_found -> printh "E" "Missing parameter" + end; + +Hashtbl.add cmd_managers + "CTCP" + begin + " : Sends a CTCP (string quoted between ^A) to a user or a channel", + fun token tail -> + try + let dest = (token ()) and msg = (tail ()) in + tell_ssfe (Tabulable ("/msg " ^ dest ^ " ")); + printh "I" ("Sending a CTCP " ^ msg ^ " to " ^ dest); + tell_server ("PRIVMSG " ^ dest ^ " :" ^ msg ^ "\n") + with Not_found -> printh "E" "Missing parameter" + end; + +Hashtbl.add cmd_managers + "NOTICE" + begin + " : Sends a notice to a user or a channel", + fun token tail -> + try + let dest = (token ()) and msg = (tail ()) in + print ("-> -" ^ dest ^ "- " ^ msg); tell_server ("PRIVMSG " ^ dest ^ " :" ^ msg ^ "\n") + with Not_found -> printh "E" "Missing parameter" + end; + +Hashtbl.add cmd_managers + "WHOIS" + begin + "[]: Requests information about a user", + fun token tail -> + let nick = try token () with Not_found -> !current_nick in + if nick = "" + then printh "E" "Missing argument" + else tell_server ("WHOIS " ^ nick ^ "\n") + end; + +Hashtbl.add cmd_managers + "WI" + begin + "[]: Requests information about a user on his server (get the idle)", + fun token tail -> + let nick = try token () with Not_found -> !current_nick in + if nick = "" + then printh "E" "Missing argument" + else tell_server ("WHOIS " ^ nick ^ " " ^ nick ^ "\n") + end; + +Hashtbl.add cmd_managers + "SERVER" + begin + "[[:]]: Establishes a connection to a new server", + fun token tail -> + begin + try + let (stoken, stail) = tokenizer (token ()) ':' in + desired_server := stoken (); + desired_port := int_of_string (stoken ()) + with + Not_found -> () + | Failure(_) -> printh "E" "Syntax error" + end; + establish_connection () + end; + +Hashtbl.add cmd_managers + "NEXT" + begin + ": Selects the next joined channel as default", + fun token tail -> + try + default_channel := (find_joined (circular_succ (String.uppercase !default_channel) (keys joined_channels))).name; + if not !ssfe then printh "I" ("Talking to " ^ !default_channel ^ " now") + with + Not_found -> printh "E" "You have to join a channel first" + end; + +Hashtbl.add cmd_managers + "JOIN" + begin + "[<#channel> []]: Joins a channel or tells what is the default channel", + fun token tail -> + try + let channel = token () in let chan = match String.get channel 0 with '#' | '&' -> channel | _ -> "#" ^ channel in + let key = try " " ^ (token ()) with Not_found -> "" in + if mem_joined channel + then (default_channel := chan; if not !ssfe then printh "I" ("Talking to " ^ chan ^ " now")) + else tell_server ("JOIN " ^ chan ^ key ^ "\n") + with Not_found -> + if !default_channel = "" + then printh "I" "You are not in a channel" + else printh "I" ("You current channel is " ^ !default_channel) + end; + +Hashtbl.add cmd_managers + "TOPIC" + begin + "[]: Sets or requests the topic in the current channel", + fun token tail -> + if !default_channel = "" + then printh "E" "Not in a channel" + else + try let topic = tail () in tell_server ("TOPIC " ^ !default_channel ^ " :" ^ topic ^ "\n") + with Not_found -> tell_server ("TOPIC " ^ !default_channel ^ "\n") + end; + +Hashtbl.add cmd_managers + "MODE" + begin + "[]: Changes mode or shows the mode of the current channel", + fun token tail -> + let chan = try token () with Not_found -> !default_channel in + if chan = "" + then printh "E" "Need to specify a channel" + else + let chan = match String.get chan 0 with '#' | '&' -> chan | _ -> "#" ^ chan in + try tell_server ("MODE " ^ chan ^ " " ^ (tail ()) ^ "\n") + with Not_found -> tell_server ("MODE " ^ chan ^ "\n") + end; + +Hashtbl.add cmd_managers + "KICK" + begin + "[<#channel>] []: Kicks the given user from the given (or current) channel", + fun token tail -> + if !default_channel = "" + then printh "E" "Not in a channel" + else try + let t = token () in + let (channel, nick) = match String.get t 0 with '#' | '&' -> (t, token ()) | _ -> (!default_channel, t) + and comment = try tail () with Not_found -> "B1G d0Rk5 SuCk M00z b4LLz" in + tell_server ("KICK " ^ !default_channel ^ " " ^ nick ^ " :" ^ comment ^ "\n") + with Not_found -> printh "E" "Missing parameter" + end; + +Hashtbl.add cmd_managers + "LEAVE" + begin + "[<#channel>]: Leaves the current or the specified channel", + fun token tail -> + let chan = try token () with Not_found -> !default_channel in + if chan = "" + then printh "E" "Need to specify a channel" + else let chan = match String.get chan 0 with '#' | '&' -> chan | _ -> "#" ^ chan in + tell_server ("PART " ^ chan ^ "\n") + end; + +Hashtbl.add cmd_managers + "CHANINFO" + begin + "[<#channel>]: Gets the user list for the given channel", + fun token tail -> + let chan = try token () with Not_found -> !default_channel in + if chan = "" then printh "E" "Need to specify a channel" + else + let chan = match String.get chan 0 with '#' | '&' -> chan | _ -> "#" ^ chan in + tell_server ("LIST " ^ chan ^ "\n"); + tell_server ("NAMES " ^ chan ^ "\n") + end; + +Hashtbl.add cmd_managers + "NICK" + begin + "[]: Changes or requests the current nick", + fun token tail -> + try let nick = token () in tell_server ("NICK " ^ nick ^ "\n") + with Not_found -> printh "I" ("You current nick is " ^ !current_nick) + end; + +Hashtbl.add cmd_managers + "DISCONNECT" + begin + "[]: Signoffs on the current server with the given quit message", + fun token tail -> + let msg = try tail () with Not_found -> (version ^ ", the light IRC client in CAML") in + tell_server ("QUIT :" ^ msg ^ "\n"); + end; + +Hashtbl.add cmd_managers + "QUIT" + begin + "[]: Signoffs on the current server if connected, and terminates operations", + fun token tail -> + if !server_connection != Broken then begin + let msg = try tail () with Not_found -> (version ^ ", the light IRC client in CAML") in + tell_server ("QUIT :" ^ msg ^ "\n"); + end; + alive := false + end; + +Hashtbl.add cmd_managers + "QUOTE" + begin + ": Sends the line to the server, as it is", + fun token tail -> + try tell_server (tail () ^ "\n") + with Not_found -> printh "E" "Missing parameter" + end; + +Hashtbl.add cmd_managers + "VERBOSE" + begin + ": Set the verbose mode (everything form the server will be printed)", + fun token tail -> + verbose := not !verbose; + if !verbose then printh "I" "Verbose mode on" else printh "I" "Verbose mode off" + end; + +(*****************************************************************************) +(* Function to handle the various CTCPs *) +(*****************************************************************************) + +Hashtbl.add ctcp_managers + "VERSION" + begin + fun token tail from dest -> tell_server ("NOTICE " ^ from ^ " :" ^ version ^ ", the light IRC client in CAML\n") + end;; + +Hashtbl.add ctcp_managers + "ACTION" + begin + fun token tail from dest -> try print ("* " ^ from ^ " " ^ (tail())) with Not_found -> print ("* " ^ from) + end;; + +(*****************************************************************************) +(* Functions to handle the mode changes (that part of the protocole sucks) *) +(*****************************************************************************) + +let rec flatten_modes = fun polarity mode_string mode_indice param_strings param_indice -> + if mode_indice < (String.length mode_string) + then begin + match (String.get mode_string mode_indice) with + '+' -> flatten_modes 1 mode_string (mode_indice+1) param_strings param_indice + | '-' -> flatten_modes (-1) mode_string (mode_indice+1) param_strings param_indice + | 'k' | 'o' | 'v' | 'b' as c -> + (c, polarity, param_strings.(param_indice))::(flatten_modes polarity mode_string (mode_indice+1) param_strings (param_indice+1)) + | 'm' | 'i' | 's' | 't' | 'n' as c -> + (c, polarity, "")::(flatten_modes polarity mode_string (mode_indice+1) param_strings param_indice) + | 'l' -> + if polarity = 1 + then ('l', polarity, param_strings.(param_indice))::(flatten_modes polarity mode_string (mode_indice+1) param_strings (param_indice+1)) + else ('l', polarity, "")::(flatten_modes polarity mode_string (mode_indice+1) param_strings param_indice) + | other -> (other, polarity, "")::(flatten_modes polarity mode_string (mode_indice+1) param_strings param_indice) + end + else [] +;; + +let rec string_of_modelist = function + [] -> "" + | (c, l, p)::t -> + (if l > 0 then " +" else " -") ^ + (String.make 1 c) ^ + (if p = "" then "" else " " ^ p) ^ + (string_of_modelist t) + +let set_modes channel l = + let chan = find_joined channel in + List.iter + begin + function + | ('b', pol, pattern) -> () + | ('v', pol, nick) -> () + | ('o', pol, nick) -> (Hashtbl.find chan.people nick).operator <- (pol > 0) + | (c, 1, param) -> Hashtbl.replace chan.modes c param + | (c, -1, param) -> Hashtbl.remove chan.modes c + | _ -> () + end + l;; + +let get_status = fun () -> + " [" ^ version ^ "] " ^ + (try string_of_user (Hashtbl.find (find_joined !default_channel).people !current_nick) + with Not_found -> "") + ^ !current_nick ^ + " (+" ^ + (if Hashtbl.mem current_modes 'i' then "i" else "") ^ + (if Hashtbl.mem current_modes 'O' then "i" else "") ^ + (if Hashtbl.mem current_modes 'o' then "i" else "") ^ + (if Hashtbl.mem current_modes 'w' then "w" else "") ^ + (if Hashtbl.mem current_modes 'a' then "a" else "") ^ + ")" ^ + if !default_channel = "" then "" + else + " on " ^ !default_channel ^ + let modes = (find_joined !default_channel).modes in + " (+" ^ + (if Hashtbl.mem modes 'm' then "m" else "") ^ + (if Hashtbl.mem modes 'i' then "i" else "") ^ + (if Hashtbl.mem modes 's' then "s" else "") ^ + (if Hashtbl.mem modes 'n' then "n" else "") ^ + (if Hashtbl.mem modes 't' then "t" else "") ^ + (try " key=" ^ (Hashtbl.find modes 'k') with Not_found -> "") ^ + (try " limit=" ^ (Hashtbl.find modes 'l') with Not_found -> "") ^ + ")" +;; + +(*****************************************************************************) +(* Function to handle the various commands received from the server *) +(*****************************************************************************) + +(* This one just write a certain token as it is *) + +let print_information i = fun tokens -> printh "I" tokens.(i);; + +(* Here is the serious stuff ... each entry is a fun able to + interprete the tokens given as parameters *) + +Hashtbl.add protocole_managers "001" + begin + fun tokens -> current_nick := tokens.(2); + printh "I" ("You are now connected as " ^ tokens.(2)) + end; + +Hashtbl.add protocole_managers "PING" + begin + fun tokens -> tell_server ("PONG " ^ tokens.(2) ^ "\n") + end; + +Hashtbl.add protocole_managers "JOIN" + begin + fun tokens -> + let (nick, login, host) = split_prefix tokens.(0) in + if nick = !current_nick + then begin + printh ">" ("You have joined " ^ tokens.(2)); + set_joined tokens.(2) { name=tokens.(2); people= Hashtbl.create 10; modes = Hashtbl.create 10 }; + default_channel := tokens.(2); + tell_server ("MODE " ^ tokens.(2) ^ "\n") + end + else printh ">" (nick ^ " (" ^ login ^ "@" ^ host ^ ") has joined " ^ tokens.(2)); + Hashtbl.replace (find_joined tokens.(2)).people nick { operator = false } + end; + +Hashtbl.add protocole_managers "PART" + begin + fun tokens -> + let (nick, login, host) = split_prefix tokens.(0) in + if nick = !current_nick + then begin + printh "<" ("You have left " ^ tokens.(2)); + part_channel tokens.(2) + end + else begin + printh "<" (nick ^ " (" ^ login ^ "@" ^ host ^ ") has left " ^ tokens.(2)); + Hashtbl.remove (find_joined tokens.(2)).people nick; + end + end; + +Hashtbl.add protocole_managers "QUIT" + begin + fun tokens -> let (nick, login, host) = split_prefix tokens.(0) in + let channels = + Hashtbl.fold + (fun name data s -> if Hashtbl.mem data.people nick then s ^ " " ^ data.name else s) + joined_channels "" in + printh "<" ("Signoff: " ^ nick ^ " (" ^ tokens.(2) ^ ") from" ^ channels); + Hashtbl.iter (fun name data -> Hashtbl.remove data.people nick) joined_channels; + end; + +Hashtbl.add protocole_managers "KICK" + begin + fun tokens -> + let (nick, login, host) = split_prefix tokens.(0) in + if tokens.(3) = !current_nick + then begin + printh "<" ("You have been kicked from " ^ tokens.(2) ^ " by " ^ nick ^ " (" ^ tokens.(4)^ ")"); + part_channel tokens.(2) + end + else printh "<" (tokens.(3) ^ " has been kicked from " ^ tokens.(2) ^ " by " ^ nick ^ " (" ^ tokens.(4) ^ ")"); + Hashtbl.remove (find_joined tokens.(2)).people tokens.(3); + end; + +Hashtbl.add protocole_managers "NICK" + begin + fun tokens -> let (nick, login, host) = split_prefix tokens.(0) in + if nick = !current_nick + then begin + printh "I" ("You are now known as " ^ tokens.(2)); + current_nick := tokens.(2) + end + else printh "I" (nick ^ " is now known as " ^ tokens.(2)); + let rename = begin + fun name data -> + let u = Hashtbl.find data.people nick in + try + Hashtbl.remove data.people nick; + Hashtbl.add data.people tokens.(2) u + with + Not_found -> () + end in + Hashtbl.iter rename joined_channels; + end; + +Hashtbl.add protocole_managers "MODE" + begin + fun tokens -> + let (nick, login, host) = try split_prefix tokens.(0) with Not_found -> (tokens.(0), "", "") in + let modes = flatten_modes 1 tokens.(3) 0 tokens 4 in + if match String.get tokens.(2) 0 with '#' | '&' -> true | _ -> false + then + begin + set_modes (String.uppercase tokens.(2)) modes; + printh "I" ("Mode change by " ^ nick ^ " on channel " ^ tokens.(2) ^ (string_of_modelist modes)) + end + else + begin + List.iter + (function (c, 1, x) -> Hashtbl.replace current_modes c x | (c, -1, x) -> Hashtbl.remove current_modes c | _ -> ()) + modes; + printh "I" ("Mode change" ^ (string_of_modelist modes) ^ " by " ^ nick ^ " for user " ^ tokens.(2)) + end + end; + +Hashtbl.add protocole_managers "TOPIC" + begin + fun tokens -> + let (nick, login, host) = split_prefix tokens.(0) in + printh "I" (nick ^ " has changed the topic on " ^ tokens.(2) ^ " to \"" ^ tokens.(3) ^ "\"") + end; + +Hashtbl.add protocole_managers "ERROR" + begin + fun tokens -> printh "E" tokens.(2) + end; + +Hashtbl.add protocole_managers "PRIVMSG" + begin + fun tokens -> + let (nick, login, host) = split_prefix tokens.(0) in + try + let n1 = String.index tokens.(3) '' in + let n2 = String.index_from tokens.(3) (n1 + 1) '' in + let ctcp_line = (String.sub tokens.(3) (n1 + 1) (n2 - n1 - 1)) in + let (ctcp_token, ctcp_tail) = tokenizer ctcp_line ' ' in + let cmd = ctcp_token () in + try + (Hashtbl.find ctcp_managers cmd) ctcp_token ctcp_tail nick tokens.(2) + with + Not_found -> printh "E" ("Unknown CTCP [" ^ ctcp_line ^ "] from " ^ nick); + tell_server ("NOTICE " ^ nick ^ " :Unknown CTCP " ^ cmd ^ "'\n") + with + Not_found -> + begin + if (String.get tokens.(2) 0) = '#' + then print ("<" ^ nick ^ (if same_channel tokens.(2) !default_channel then "" else ("/" ^ tokens.(2))) ^ "> " ^ + tokens.(3)) + else begin + tell_ssfe (Tabulable ("/msg " ^ nick ^ " ")); + print ("[" ^ nick ^ "] " ^ tokens.(3)) + end + end + end; + +Hashtbl.add protocole_managers "NOTICE" + begin + fun tokens -> + let (nick, login, host) = split_prefix tokens.(0) in + print ("-" ^ nick ^ (if tokens.(2) = !current_nick then "" else "/" ^ tokens.(2)) ^ "- " ^ tokens.(3)) + end; + +Hashtbl.add protocole_managers "301" + begin + fun tokens -> printh "I" (tokens.(3) ^ " is away (" ^ tokens.(4) ^ ")") + end; + +Hashtbl.add protocole_managers "311" + begin + fun tokens -> printh "I" (tokens.(3) ^ " is " ^ tokens.(4) ^ "@" ^ tokens.(5) ^ " (" ^ tokens.(7) ^ ")") + end; + +Hashtbl.add protocole_managers "312" + begin + fun tokens -> printh "I" ("on IRC via server " ^ tokens.(4) ^ " (" ^ tokens.(5) ^ ")") + end; + +Hashtbl.add protocole_managers "317" + begin + fun tokens -> + let duration = int_of_string tokens.(4) in + printh "I" (tokens.(3) ^ " has been idle for " ^ (duration_of_seconds duration)) + end; + +Hashtbl.add protocole_managers "319" + begin + fun tokens -> printh "I" ("on channels: " ^ tokens.(4)) + end; + +Hashtbl.add protocole_managers "324" + begin + fun tokens -> set_modes tokens.(3) (flatten_modes 1 tokens.(4) 0 tokens 5) + end; + +Hashtbl.add protocole_managers "322" + begin + fun tokens -> printh "I" ("There are " ^ tokens.(4) ^ " users on " ^ tokens.(3)) + end; + +Hashtbl.add protocole_managers "331" + begin + fun tokens -> printh "I" ("No topic is set on " ^ tokens.(3)) + end; + +Hashtbl.add protocole_managers "333" + begin + fun tokens -> printh "I" ("Topic for " ^ tokens.(3) ^ " set by " ^ tokens.(2)) + end; + +List.iter + begin + fun s -> Hashtbl.add protocole_managers s (print_information 3) + end + [ "002"; "003"; "005"; "020"; "042"; + "251"; "252"; "253"; "255"; "265"; "266"; + "372"; "375"; "376"; + "422"; "451" ]; + +Hashtbl.add protocole_managers "305" + begin + fun tokens -> printh "I" tokens.(3); Hashtbl.remove current_modes 'a' + end; + +Hashtbl.add protocole_managers "306" + begin + fun tokens -> printh "I" tokens.(3); Hashtbl.replace current_modes 'a' "" + end; + +Hashtbl.add protocole_managers "403" (print_information 4); + +List.iter + begin + fun s -> Hashtbl.add protocole_managers s (fun tokens -> ()) + end + [ "318"; "323" ]; + +Hashtbl.add protocole_managers "004" + begin + fun tokens -> printh "I" (tokens.(3) ^ " " ^ tokens.(4) ^ " " ^ tokens.(5) ^ " " ^ tokens.(6)) + end; + +Hashtbl.add protocole_managers "254" + begin + fun tokens -> printh "I" ("There are " ^ tokens.(3) ^ " " ^ tokens.(4)) + end; + +Hashtbl.add protocole_managers "332" + begin + fun tokens -> printh "I" ("Topic for " ^ tokens.(3) ^ " is '" ^ tokens.(4) ^ "'") + end; + +Hashtbl.add protocole_managers "353" + begin + fun tokens -> + printh "I" ("Users on " ^ tokens.(4) ^ ": " ^ tokens.(5)); + let (n_token, n_tail) = tokenizer tokens.(5) ' ' + and people_table = (find_joined tokens.(4)).people in + let rec add_nick = fun () -> + try + (let nick = n_token () in match String.get nick 0 with + '@' -> Hashtbl.replace people_table (String.sub nick 1 ((String.length nick) - 1)) { operator = true } + | _ -> Hashtbl.replace people_table nick { operator = false }); + add_nick () + with Not_found -> () + in add_nick (); + end; + +Hashtbl.add protocole_managers "366" + begin + fun tokens -> () + (*let users = Hashtbl.fold (fun nick status s -> " " ^ nick ^ s) (find_joined tokens.(3)).people "" in + printh "I" ("Users on " ^ tokens.(3) ^ ":" ^ users)*) + end; + +Hashtbl.add protocole_managers "401" + begin + fun tokens -> printh "E" ("Can not find " ^ tokens.(3) ^ " on IRC") + end; + +Hashtbl.add protocole_managers "433" + begin + fun tokens -> + if tokens.(2) = "*" + then printh "E" ("Nickname " ^ tokens.(3) ^ " already in used, type /nick to choose another one") + else printh "E" ("Nickname " ^ tokens.(3) ^ " already in used, you keep " ^ tokens.(2)) + end; + +Hashtbl.add protocole_managers "441" + begin + fun tokens -> printh "E" (tokens.(3) ^ " is not on channel " ^ tokens.(4)) + end; + +Hashtbl.add protocole_managers "461" + begin + fun tokens -> printh "E" ("Not enough parameters for " ^ tokens.(3)) + end; + +Hashtbl.add protocole_managers "472" + begin + fun tokens -> printh "E" ("Mode '" ^ tokens.(3) ^ "' " ^ tokens.(4)) + end; + +Hashtbl.add protocole_managers "474" + begin + fun tokens -> printh "E" ("Can not join " ^ tokens.(3) ^ " (banned)") + end; + +Hashtbl.add protocole_managers "475" + begin + fun tokens -> printh "E" (tokens.(3) ^ ": " ^ tokens.(4)) + end; + +Hashtbl.add protocole_managers "482" + begin + fun tokens -> printh "E" ("You are not an operator on " ^ tokens.(3)) + end; + +(*****************************************************************************) +(* The module initialization *) +(*****************************************************************************) + +try + Dynlink.init (); + + Dynlink.add_interfaces + [ "Ircml"; "Buffer"; "List"; "Arg"; "String"; "Digest"; "Dynlink"; "Hashtbl"; "Sys"; + "Connection"; "Unix"; "Pervasives"; "Array" ] + [ Sys.getcwd(); "/home/fleuret/local/lib/ocaml" ]; + +with + Dynlink.Error error -> printh "E" ("Module loading error (" ^ (Dynlink.error_message error) ^ ")");; + +try ignore (Unix.tcgetattr Unix.stdout) with Unix.Unix_error _ -> print "`#ssfe#i";; + +(*****************************************************************************) +(* The main loop *) +(*****************************************************************************) + +print "-----------------------------------------------------------------------------"; +print (" " ^ version ^ ", the IRC client in OCAML"); +print " Written and (c) by "; +print "-----------------------------------------------------------------------------"; + +establish_connection (); + +while !alive do + + flush stdout; + + let (reading, _, _) = Unix.select (keys fd_active) [] [] 1.0 in + + List.iter + begin + fun fd -> + let h = Hashtbl.find fd_active fd in + try h.reader () with Network_error(e) -> h.error_handler e + end + reading; + + tell_ssfe (Status (get_status ())) + +done; + +printh "I" "You'll be back, ho yes ... you'll be back"