X-Git-Url: https://arthur.barton.de/cgi-bin/gitweb.cgi?p=ngircd-alex.git;a=blobdiff_plain;f=src%2Fngircd%2Firc.c;h=e41ed5ce9ff998bd0374a980d949aff7b9e4df64;hp=47f224b86b55ef2acdbe49c6a4804a026b599616;hb=3cd8fc844663d737f9ce9fe2fa9d50d1a41209d0;hpb=bbfe9e8ba83ac80474f2950a74f3334b0c86680c diff --git a/src/ngircd/irc.c b/src/ngircd/irc.c index 47f224b8..e41ed5ce 100644 --- a/src/ngircd/irc.c +++ b/src/ngircd/irc.c @@ -9,11 +9,33 @@ * Naehere Informationen entnehmen Sie bitter der Datei COPYING. Eine Liste * der an comBase beteiligten Autoren finden Sie in der Datei AUTHORS. * - * $Id: irc.c,v 1.4 2001/12/25 19:19:30 alex Exp $ + * $Id: irc.c,v 1.11 2001/12/27 16:55:41 alex Exp $ * * irc.c: IRC-Befehle * * $Log: irc.c,v $ + * Revision 1.11 2001/12/27 16:55:41 alex + * - neu: IRC_WriteStrRelated(), Aenderungen auch in IRC_WriteStrClient(). + * + * Revision 1.10 2001/12/26 22:48:53 alex + * - MOTD-Datei ist nun konfigurierbar und wird gelesen. + * + * Revision 1.9 2001/12/26 14:45:37 alex + * - "Code Cleanups". + * + * Revision 1.8 2001/12/26 03:21:46 alex + * - PING/PONG-Befehle implementiert, + * - Meldungen ueberarbeitet: enthalten nun (fast) immer den Nick. + * + * Revision 1.7 2001/12/25 23:25:18 alex + * - und nochmal Aenderungen am Logging ;-) + * + * Revision 1.6 2001/12/25 23:13:33 alex + * - Debug-Meldungen angepasst. + * + * Revision 1.5 2001/12/25 22:02:42 alex + * - neuer IRC-Befehl "/QUIT". Verbessertes Logging & Debug-Ausgaben. + * * Revision 1.4 2001/12/25 19:19:30 alex * - bessere Fehler-Abfragen, diverse Bugfixes. * - Nicks werden nur einmal vergeben :-) @@ -36,11 +58,13 @@ #include #include +#include #include #include #include #include "client.h" +#include "conf.h" #include "log.h" #include "messages.h" #include "parse.h" @@ -69,35 +93,50 @@ GLOBAL VOID IRC_Exit( VOID ) } /* IRC_Exit */ -GLOBAL BOOLEAN IRC_WriteStr_Client( CLIENT *Client, CLIENT *Prefix, CHAR *Format, ... ) +GLOBAL BOOLEAN IRC_WriteStrClient( CLIENT *Client, CLIENT *Prefix, CHAR *Format, ... ) { /* Text an Clients, lokal bzw. remote, senden. */ CHAR buffer[1000]; BOOLEAN ok = CONNECTED; + CONN_ID send_to; va_list ap; assert( Client != NULL ); assert( Format != NULL ); va_start( ap, Format ); + vsnprintf( buffer, 1000, Format, ap ); + va_end( ap ); - if( Client->conn_id != NONE ) - { - /* Lokaler Client */ - vsnprintf( buffer, 1000, Format, ap ); - if( Prefix ) ok = Conn_WriteStr( Client->conn_id, ":%s %s", Prefix->host, buffer ); - else ok = Conn_WriteStr( Client->conn_id, buffer ); - } - else - { - /* Remote-Client */ - Log( LOG_DEBUG, "not implemented: IRC_WriteStr_Client()" ); - } + if( Client->conn_id != NONE ) send_to = Client->conn_id; + else send_to = Client->introducer->conn_id; + + if( Prefix ) ok = Conn_WriteStr( Client->conn_id, ":%s %s", Client_GetID( Prefix ), buffer ); + else ok = Conn_WriteStr( Client->conn_id, buffer ); + + return ok; +} /* IRC_WriteStrClient */ + + +GLOBAL BOOLEAN IRC_WriteStrRelated( CLIENT *Client, CHAR *Format, ... ) +{ + CHAR buffer[1000]; + BOOLEAN ok = CONNECTED; + va_list ap; + assert( Client != NULL ); + assert( Format != NULL ); + + va_start( ap, Format ); + vsnprintf( buffer, 1000, Format, ap ); va_end( ap ); + + /* an den Client selber */ + ok = IRC_WriteStrClient( Client, Client, buffer ); + return ok; -} /* IRC_WriteStr_Client */ +} /* IRC_WriteStrRelated */ GLOBAL BOOLEAN IRC_PASS( CLIENT *Client, REQUEST *Req ) @@ -105,35 +144,32 @@ GLOBAL BOOLEAN IRC_PASS( CLIENT *Client, REQUEST *Req ) assert( Client != NULL ); assert( Req != NULL ); - return IRC_WriteStr_Client( Client, This_Server, ERR_UNKNOWNCOMMAND_MSG, Req->command ); + if( Client->type == CLIENT_UNKNOWN ) + { + Log( LOG_DEBUG, "Connection %d: got PASS command ...", Client->conn_id ); + return IRC_WriteStrClient( Client, This_Server, ERR_UNKNOWNCOMMAND_MSG, Client_Name( Client ), Req->command ); + } + else return IRC_WriteStrClient( Client, This_Server, ERR_ALREADYREGISTRED_MSG, Client_Name( Client )); } /* IRC_PASS */ GLOBAL BOOLEAN IRC_NICK( CLIENT *Client, REQUEST *Req ) { - CLIENT *c; - assert( Client != NULL ); assert( Req != NULL ); if( Client->type != CLIENT_SERVER && Client->type != CLIENT_SERVICE ) { /* Falsche Anzahl Parameter? */ - if( Req->argc != 1 ) return IRC_WriteStr_Client( Client, This_Server, ERR_NEEDMOREPARAMS_MSG ); - - /* Nick zu lang? */ - if( strlen( Req->argv[0] ) > CLIENT_NICK_LEN ) return IRC_WriteStr_Client( Client, This_Server, ERR_ERRONEUSNICKNAME_MSG, Req->argv[0] ); + if( Req->argc != 1 ) return IRC_WriteStrClient( Client, This_Server, ERR_NEEDMOREPARAMS_MSG, Client_Name( Client ), Req->command ); /* pruefen, ob Nick bereits vergeben */ - c = My_Clients; - while( c ) + if( ! Client_CheckNick( Client, Req->argv[0] )) return CONNECTED; + + if( Client->type == CLIENT_USER ) { - if( strcasecmp( c->nick, Req->argv[0] ) == 0 ) - { - /* den Nick gibt es bereits */ - return IRC_WriteStr_Client( Client, This_Server, ERR_NICKNAMEINUSE_MSG, Req->argv[0] ); - } - c = c->next; + /* Nick-Aenderung: allen mitteilen! */ + IRC_WriteStrRelated( Client, "NICK :%s", Req->argv[0] ); } /* Client-Nick registrieren */ @@ -142,12 +178,13 @@ GLOBAL BOOLEAN IRC_NICK( CLIENT *Client, REQUEST *Req ) if( Client->type != CLIENT_USER ) { /* Neuer Client */ + Log( LOG_DEBUG, "Connection %d: got NICK command ...", Client->conn_id ); if( Client->type == CLIENT_GOTUSER ) return Hello_User( Client ); else Client->type = CLIENT_GOTNICK; } return CONNECTED; } - else return IRC_WriteStr_Client( Client, This_Server, ERR_ALREADYREGISTRED_MSG ); + else return IRC_WriteStrClient( Client, This_Server, ERR_ALREADYREGISTRED_MSG, Client_Name( Client )); } /* IRC_NICK */ @@ -159,25 +196,71 @@ GLOBAL BOOLEAN IRC_USER( CLIENT *Client, REQUEST *Req ) if( Client->type == CLIENT_UNKNOWN || Client->type == CLIENT_GOTNICK || Client->type == CLIENT_GOTPASS ) { /* Falsche Anzahl Parameter? */ - if( Req->argc != 4 ) return IRC_WriteStr_Client( Client, This_Server, ERR_NEEDMOREPARAMS_MSG ); - + if( Req->argc != 4 ) return IRC_WriteStrClient( Client, This_Server, ERR_NEEDMOREPARAMS_MSG, Client_Name( Client ), Req->command ); + strncpy( Client->user, Req->argv[0], CLIENT_USER_LEN ); Client->user[CLIENT_USER_LEN] = '\0'; strncpy( Client->name, Req->argv[3], CLIENT_NAME_LEN ); Client->name[CLIENT_NAME_LEN] = '\0'; - + + Log( LOG_DEBUG, "Connection %d: got USER command ...", Client->conn_id ); if( Client->type == CLIENT_GOTNICK ) return Hello_User( Client ); else Client->type = CLIENT_GOTUSER; return CONNECTED; } else if( Client->type == CLIENT_USER || Client->type == CLIENT_SERVER || Client->type == CLIENT_SERVICE ) { - return IRC_WriteStr_Client( Client, This_Server, ERR_ALREADYREGISTRED_MSG ); + return IRC_WriteStrClient( Client, This_Server, ERR_ALREADYREGISTRED_MSG, Client_Name( Client )); } - else return IRC_WriteStr_Client( Client, This_Server, ERR_NOTREGISTERED_MSG ); + else return IRC_WriteStrClient( Client, This_Server, ERR_NOTREGISTERED_MSG, Client_Name( Client )); } /* IRC_USER */ +GLOBAL BOOLEAN IRC_QUIT( CLIENT *Client, REQUEST *Req ) +{ + assert( Client != NULL ); + assert( Req != NULL ); + + if( Client->type != CLIENT_SERVER && Client->type != CLIENT_SERVICE ) + { + /* Falsche Anzahl Parameter? */ + if( Req->argc > 1 ) return IRC_WriteStrClient( Client, This_Server, ERR_NEEDMOREPARAMS_MSG, Client_Name( Client ), Req->command ); + + Conn_Close( Client->conn_id, "Client wants to quit." ); + return DISCONNECTED; + } + else return IRC_WriteStrClient( Client, This_Server, ERR_NOTREGISTERED_MSG, Client_Name( Client )); +} /* IRC_QUIT */ + + +GLOBAL BOOLEAN IRC_PING( CLIENT *Client, REQUEST *Req ) +{ + assert( Client != NULL ); + assert( Req != NULL ); + + return IRC_WriteStrClient( Client, This_Server, ERR_UNKNOWNCOMMAND_MSG, Client_Name( Client ), Req->command ); +} /* IRC_PING */ + + +GLOBAL BOOLEAN IRC_PONG( CLIENT *Client, REQUEST *Req ) +{ + assert( Client != NULL ); + assert( Req != NULL ); + + if( ! Check_Valid_User( Client )) return CONNECTED; + + /* Falsche Anzahl Parameter? */ + if( Req->argc < 1 ) return IRC_WriteStrClient( Client, This_Server, ERR_NOORIGIN_MSG, Client_Name( Client )); + if( Req->argc > 1 ) return IRC_WriteStrClient( Client, This_Server, ERR_NEEDMOREPARAMS_MSG, Client_Name( Client ), Req->command ); + + /* Der Connection-Timestamp wurde schon beim Lesen aus dem Socket + * aktualisiert, daher muss das hier nicht mehr gemacht werden. */ + + Log( LOG_DEBUG, "Connection %d: received PONG.", Client->conn_id ); + return CONNECTED; +} /* IRC_PONG */ + + GLOBAL BOOLEAN IRC_MOTD( CLIENT *Client, REQUEST *Req ) { assert( Client != NULL ); @@ -186,9 +269,9 @@ GLOBAL BOOLEAN IRC_MOTD( CLIENT *Client, REQUEST *Req ) if( ! Check_Valid_User( Client )) return CONNECTED; /* Falsche Anzahl Parameter? */ - if( Req->argc != 0 ) return IRC_WriteStr_Client( Client, This_Server, ERR_NEEDMOREPARAMS_MSG ); - - return Show_MOTD( Client ); + if( Req->argc != 0 ) return IRC_WriteStrClient( Client, This_Server, ERR_NEEDMOREPARAMS_MSG, Client_Name( Client ), Req->command ); + + return Show_MOTD( Client ); } /* IRC_MOTD */ @@ -198,7 +281,7 @@ LOCAL BOOLEAN Check_Valid_User( CLIENT *Client ) if( Client->type != CLIENT_USER ) { - IRC_WriteStr_Client( Client, This_Server, ERR_NOTREGISTERED_MSG ); + IRC_WriteStrClient( Client, This_Server, ERR_NOTREGISTERED_MSG, Client_Name( Client )); return FALSE; } else return TRUE; @@ -207,12 +290,15 @@ LOCAL BOOLEAN Check_Valid_User( CLIENT *Client ) LOCAL BOOLEAN Hello_User( CLIENT *Client ) { - Log( LOG_INFO, "User \"%s!%s@%s\" (%s) registered.", Client->nick, Client->user, Client->host, Client->name ); + assert( Client != NULL ); + assert( Client->nick[0] ); + + Log( LOG_NOTICE, "User \"%s!%s@%s\" (%s) registered.", Client->nick, Client->user, Client->host, Client->name ); - IRC_WriteStr_Client( Client, This_Server, RPL_WELCOME_MSG, Client->nick, Client->nick, Client->user, Client->host ); - IRC_WriteStr_Client( Client, This_Server, RPL_YOURHOST_MSG, Client->nick, This_Server->host ); - IRC_WriteStr_Client( Client, This_Server, RPL_CREATED_MSG, Client->nick ); - IRC_WriteStr_Client( Client, This_Server, RPL_MYINFO_MSG, Client->nick, This_Server->host ); + IRC_WriteStrClient( Client, This_Server, RPL_WELCOME_MSG, Client->nick, Client_GetID( Client )); + IRC_WriteStrClient( Client, This_Server, RPL_YOURHOST_MSG, Client->nick, This_Server->host ); + IRC_WriteStrClient( Client, This_Server, RPL_CREATED_MSG, Client->nick ); + IRC_WriteStrClient( Client, This_Server, RPL_MYINFO_MSG, Client->nick, This_Server->host ); Client->type = CLIENT_USER; @@ -222,9 +308,32 @@ LOCAL BOOLEAN Hello_User( CLIENT *Client ) LOCAL BOOLEAN Show_MOTD( CLIENT *Client ) { - IRC_WriteStr_Client( Client, This_Server, RPL_MOTDSTART_MSG, Client->nick, This_Server->host ); - IRC_WriteStr_Client( Client, This_Server, RPL_MOTD_MSG, Client->nick, "Some cool IRC server welcome message ;-)" ); - return IRC_WriteStr_Client( Client, This_Server, RPL_ENDOFMOTD_MSG, Client->nick ); + BOOLEAN ok; + CHAR line[127]; + FILE *fd; + + assert( Client != NULL ); + assert( Client->nick[0] ); + + fd = fopen( Conf_MotdFile, "r" ); + if( ! fd ) + { + Log( LOG_WARNING, "Can't read MOTD file \"%s\": %s", Conf_MotdFile, strerror( errno )); + return IRC_WriteStrClient( Client, This_Server, ERR_NOMOTD_MSG, Client->nick ); + } + + IRC_WriteStrClient( Client, This_Server, RPL_MOTDSTART_MSG, Client->nick, This_Server->host ); + while( TRUE ) + { + if( ! fgets( line, 126, fd )) break; + if( line[strlen( line ) - 1] == '\n' ) line[strlen( line ) - 1] = '\0'; + IRC_WriteStrClient( Client, This_Server, RPL_MOTD_MSG, Client->nick, line ); + } + ok = IRC_WriteStrClient( Client, This_Server, RPL_ENDOFMOTD_MSG, Client->nick ); + + fclose( fd ); + + return ok; } /* Show_MOTD */