#include "portab.h"
-static char UNUSED id[] = "$Id: irc-login.c,v 1.40 2004/03/11 22:16:31 alex Exp $";
+static char UNUSED id[] = "$Id: irc-login.c,v 1.45 2005/07/28 16:23:55 fw Exp $";
#include "imp.h"
#include <assert.h>
#include "irc-login.h"
-LOCAL BOOLEAN Hello_User PARAMS(( CLIENT *Client ));
-LOCAL VOID Kill_Nick PARAMS(( CHAR *Nick, CHAR *Reason ));
+LOCAL bool Hello_User PARAMS(( CLIENT *Client ));
+LOCAL void Kill_Nick PARAMS(( char *Nick, char *Reason ));
-GLOBAL BOOLEAN
+GLOBAL bool
IRC_PASS( CLIENT *Client, REQUEST *Req )
{
assert( Client != NULL );
}
else if((( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER )) && (( Req->argc == 3 ) || ( Req->argc == 4 )))
{
- CHAR c2, c4, *type, *impl, *serverver, *flags, *ptr, *ircflags;
- INT protohigh, protolow;
+ char c2, c4, *type, *impl, *serverver, *flags, *ptr, *ircflags;
+ int protohigh, protolow;
/* noch nicht registrierte Server-Verbindung */
Log( LOG_DEBUG, "Connection %d: got PASS command (new server link) ...", Client_Conn( Client ));
} /* IRC_PASS */
-GLOBAL BOOLEAN
+/**
+ * IRC "NICK" command.
+ * This function implements the IRC command "NICK" which is used to register
+ * with the server, to change already registered nicknames and to introduce
+ * new users which are connected to other servers.
+ */
+GLOBAL bool
IRC_NICK( CLIENT *Client, REQUEST *Req )
{
CLIENT *intr_c, *target, *c;
- CHAR *modes;
+ char *modes;
assert( Client != NULL );
assert( Req != NULL );
- /* Zumindest BitchX sendet NICK-USER in der falschen Reihenfolge. */
#ifndef STRICT_RFC
- if( Client_Type( Client ) == CLIENT_UNKNOWN || Client_Type( Client ) == CLIENT_GOTPASS || Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTUSER || Client_Type( Client ) == CLIENT_USER || ( Client_Type( Client ) == CLIENT_SERVER && Req->argc == 1 ))
+ /* Some IRC clients, for example BitchX, send the NICK and USER
+ * commands in the wrong order ... */
+ if( Client_Type( Client ) == CLIENT_UNKNOWN
+ || Client_Type( Client ) == CLIENT_GOTPASS
+ || Client_Type( Client ) == CLIENT_GOTNICK
+ || Client_Type( Client ) == CLIENT_GOTUSER
+ || Client_Type( Client ) == CLIENT_USER
+ || ( Client_Type( Client ) == CLIENT_SERVER && Req->argc == 1 ))
#else
- if( Client_Type( Client ) == CLIENT_UNKNOWN || Client_Type( Client ) == CLIENT_GOTPASS || Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_USER || ( Client_Type( Client ) == CLIENT_SERVER && Req->argc == 1 ))
+ if( Client_Type( Client ) == CLIENT_UNKNOWN
+ || Client_Type( Client ) == CLIENT_GOTPASS
+ || Client_Type( Client ) == CLIENT_GOTNICK
+ || Client_Type( Client ) == CLIENT_USER
+ || ( Client_Type( Client ) == CLIENT_SERVER && Req->argc == 1 ))
#endif
{
- /* User-Registrierung bzw. Nick-Aenderung */
+ /* User registration or change of nickname */
- /* Falsche Anzahl Parameter? */
- if( Req->argc != 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+ /* Wrong number of arguments? */
+ if( Req->argc != 1 )
+ return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG,
+ Client_ID( Client ),
+ Req->command );
- /* "Ziel-Client" ermitteln */
+ /* Search "target" client */
if( Client_Type( Client ) == CLIENT_SERVER )
{
target = Client_Search( Req->prefix );
- if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
+ if( ! target )
+ return IRC_WriteStrClient( Client,
+ ERR_NOSUCHNICK_MSG,
+ Client_ID( Client ),
+ Req->argv[0] );
}
else
{
- /* Ist der Client "restricted"? */
- if( Client_HasMode( Client, 'r' )) return IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
+ /* Is this a restricted client? */
+ if( Client_HasMode( Client, 'r' ))
+ return IRC_WriteStrClient( Client,
+ ERR_RESTRICTED_MSG,
+ Client_ID( Client ));
+
target = Client;
}
#ifndef STRICT_RFC
- /* Wenn der Client zu seinem eigenen Nick wechseln will, so machen
- * wir nichts. So macht es das Original und mind. Snak hat probleme,
- * wenn wir es nicht so machen. Ob es so okay ist? Hm ... */
- if( strcmp( Client_ID( target ), Req->argv[0] ) == 0 ) return CONNECTED;
+ /* If the clients tries to change to its own nickname we won't
+ * do anything. This is how the original ircd behaves and some
+ * clients (for example Snak) expect it to be like this.
+ * But I doubt that this is "really the right thing" ... */
+ if( strcmp( Client_ID( target ), Req->argv[0] ) == 0 )
+ return CONNECTED;
#endif
- /* pruefen, ob Nick bereits vergeben. Speziallfall: der Client
- * will nur die Gross- und Kleinschreibung aendern. Das darf
- * er natuerlich machen :-) */
+ /* Check that the new nickname is available. Special case:
+ * the client only changes from/to upper to lower case. */
if( strcasecmp( Client_ID( target ), Req->argv[0] ) != 0 )
{
- if( ! Client_CheckNick( target, Req->argv[0] )) return CONNECTED;
+ if( ! Client_CheckNick( target, Req->argv[0] ))
+ return CONNECTED;
}
- if(( Client_Type( target ) != CLIENT_USER ) && ( Client_Type( target ) != CLIENT_SERVER ))
+ if(( Client_Type( target ) != CLIENT_USER )
+ && ( Client_Type( target ) != CLIENT_SERVER ))
{
- /* Neuer Client */
- Log( LOG_DEBUG, "Connection %d: got valid NICK command ...", Client_Conn( Client ));
+ /* New client */
+ Log( LOG_DEBUG, "Connection %d: got valid NICK command ...",
+ Client_Conn( Client ));
- /* Client-Nick registrieren */
+ /* Register new nickname of this client */
Client_SetID( target, Req->argv[0] );
- /* schon ein USER da? Dann registrieren! */
- if( Client_Type( Client ) == CLIENT_GOTUSER ) return Hello_User( Client );
- else Client_SetType( Client, CLIENT_GOTNICK );
+ /* If we received a valid USER command already then
+ * register the new client! */
+ if( Client_Type( Client ) == CLIENT_GOTUSER )
+ return Hello_User( Client );
+ else
+ Client_SetType( Client, CLIENT_GOTNICK );
}
else
{
- /* Nick-Aenderung */
+ /* Nickname change */
if( Client_Conn( target ) > NONE )
{
- /* lokaler Client */
- Log( LOG_INFO, "User \"%s\" changed nick (connection %d): \"%s\" -> \"%s\".", Client_Mask( target ), Client_Conn( target ), Client_ID( target ), Req->argv[0] );
+ /* Local client */
+ Log( LOG_INFO,
+ "User \"%s\" changed nick (connection %d): \"%s\" -> \"%s\".",
+ Client_Mask( target ), Client_Conn( target ),
+ Client_ID( target ), Req->argv[0] );
}
else
{
- /* Remote-Client */
- Log( LOG_DEBUG, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( target ), Client_ID( target ), Req->argv[0] );
+ /* Remote client */
+ Log( LOG_DEBUG,
+ "User \"%s\" changed nick: \"%s\" -> \"%s\".",
+ Client_Mask( target ), Client_ID( target ),
+ Req->argv[0] );
}
- /* alle betroffenen User und Server ueber Nick-Aenderung informieren */
- if( Client_Type( Client ) == CLIENT_USER ) IRC_WriteStrClientPrefix( Client, Client, "NICK :%s", Req->argv[0] );
- IRC_WriteStrServersPrefix( Client, target, "NICK :%s", Req->argv[0] );
- IRC_WriteStrRelatedPrefix( target, target, FALSE, "NICK :%s", Req->argv[0] );
+ /* Inform all users and servers (which have to know)
+ * of this nickname change */
+ if( Client_Type( Client ) == CLIENT_USER )
+ IRC_WriteStrClientPrefix( Client, Client,
+ "NICK :%s",
+ Req->argv[0] );
+ IRC_WriteStrServersPrefix( Client, target,
+ "NICK :%s", Req->argv[0] );
+ IRC_WriteStrRelatedPrefix( target, target, false,
+ "NICK :%s", Req->argv[0] );
- /* neuen Client-Nick speichern */
+ /* Register old nickname for WHOWAS queries */
+ Client_RegisterWhowas( target );
+
+ /* Save new nickname */
Client_SetID( target, Req->argv[0] );
+
IRC_SetPenalty( target, 2 );
}
}
else if( Client_Type( Client ) == CLIENT_SERVER )
{
- /* Server fuehrt neuen Client ein */
+ /* Server introduces new client */
/* Falsche Anzahl Parameter? */
if( Req->argc != 7 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
}
/* Neue Client-Struktur anlegen */
- c = Client_NewRemoteUser( intr_c, Req->argv[0], atoi( Req->argv[1] ), Req->argv[2], Req->argv[3], atoi( Req->argv[4] ), Req->argv[5] + 1, Req->argv[6], TRUE );
+ c = Client_NewRemoteUser( intr_c, Req->argv[0], atoi( Req->argv[1] ), Req->argv[2], Req->argv[3], atoi( Req->argv[4] ), Req->argv[5] + 1, Req->argv[6], true);
if( ! c )
{
/* Eine neue Client-Struktur konnte nicht angelegt werden.
} /* IRC_NICK */
-GLOBAL BOOLEAN
+GLOBAL bool
IRC_USER( CLIENT *Client, REQUEST *Req )
{
#ifdef IDENTAUTH
- CHAR *ptr;
+ char *ptr;
#endif
assert( Client != NULL );
/* User name */
#ifdef IDENTAUTH
ptr = Client_User( Client );
- if( ! ptr || ! *ptr || *ptr == '~' ) Client_SetUser( Client, Req->argv[0], FALSE );
+ if( ! ptr || ! *ptr || *ptr == '~' ) Client_SetUser( Client, Req->argv[0], false );
#else
- Client_SetUser( Client, Req->argv[0], FALSE );
+ Client_SetUser( Client, Req->argv[0], false );
#endif
/* "Real name" or user info text: Don't set it to the empty string, the original ircd
} /* IRC_USER */
-GLOBAL BOOLEAN
+GLOBAL bool
IRC_QUIT( CLIENT *Client, REQUEST *Req )
{
CLIENT *target;
+ char quitmsg[LINE_LEN];
assert( Client != NULL );
assert( Req != NULL );
+
+ /* Wrong number of arguments? */
+ if( Req->argc > 1 )
+ return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+
+ if (Req->argc == 1)
+ strlcpy(quitmsg, Req->argv[0], sizeof quitmsg);
if ( Client_Type( Client ) == CLIENT_SERVER )
{
/* Server */
-
- /* Falsche Anzahl Parameter? */
- if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
-
target = Client_Search( Req->prefix );
if( ! target )
{
return CONNECTED;
}
- if( Req->argc == 0 ) Client_Destroy( target, "Got QUIT command.", NULL, TRUE );
- else Client_Destroy( target, "Got QUIT command.", Req->argv[0], TRUE );
+ Client_Destroy( target, "Got QUIT command.", Req->argc == 1 ? quitmsg : NULL, true);
return CONNECTED;
}
else
{
- /* User, Service, oder noch nicht registriert */
-
- /* Falsche Anzahl Parameter? */
- if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+ if (Req->argc == 1 && quitmsg[0] != '\"') {
+ /* " " to avoid confusion */
+ strlcpy(quitmsg, "\"", sizeof quitmsg);
+ strlcat(quitmsg, Req->argv[0], sizeof quitmsg-1);
+ strlcat(quitmsg, "\"", sizeof quitmsg );
+ }
- if( Req->argc == 0 ) Conn_Close( Client_Conn( Client ), "Got QUIT command.", NULL, TRUE );
- else Conn_Close( Client_Conn( Client ), "Got QUIT command.", Req->argv[0], TRUE );
+ /* User, Service, oder noch nicht registriert */
+ Conn_Close( Client_Conn( Client ), "Got QUIT command.", Req->argc == 1 ? quitmsg : NULL, true);
return DISCONNECTED;
}
} /* IRC_QUIT */
-GLOBAL BOOLEAN
+GLOBAL bool
IRC_PING( CLIENT *Client, REQUEST *Req )
{
CLIENT *target, *from;
} /* IRC_PING */
-GLOBAL BOOLEAN
+GLOBAL bool
IRC_PONG( CLIENT *Client, REQUEST *Req )
{
CLIENT *target, *from;
} /* IRC_PONG */
-LOCAL BOOLEAN
+LOCAL bool
Hello_User( CLIENT *Client )
{
#ifdef CVSDATE
- CHAR ver[12], vertxt[30];
+ char ver[12], vertxt[30];
#endif
assert( Client != NULL );
{
/* Bad password! */
Log( LOG_ERR, "User \"%s\" rejected (connection %d): Bad password!", Client_Mask( Client ), Client_Conn( Client ));
- Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
+ Conn_Close( Client_Conn( Client ), NULL, "Bad password", true);
return DISCONNECTED;
}
IRC_WriteStrServers( NULL, "NICK %s 1 %s %s 1 +%s :%s", Client_ID( Client ), Client_User( Client ), Client_Hostname( Client ), Client_Modes( Client ), Client_Info( Client ));
/* Welcome :-) */
- if( ! IRC_WriteStrClient( Client, RPL_WELCOME_MSG, Client_ID( Client ), Client_Mask( Client ))) return FALSE;
+ if( ! IRC_WriteStrClient( Client, RPL_WELCOME_MSG, Client_ID( Client ), Client_Mask( Client ))) return false;
/* Version and system type */
#ifdef CVSDATE
- strlcpy( ver, CVSDATE, sizeof( ver ));
- strncpy( ver + 4, ver + 5, 2 );
- strncpy( ver + 6, ver + 8, 3 );
+ strlcpy( ver, CVSDATE, sizeof( ver ));
+ strncpy( ver + 4, ver + 5, 2 );
+ strncpy( ver + 6, ver + 8, 3 );
snprintf( vertxt, sizeof( vertxt ), "%s(%s)", PACKAGE_VERSION, ver );
- if( ! IRC_WriteStrClient( Client, RPL_YOURHOST_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )), vertxt, TARGET_CPU, TARGET_VENDOR, TARGET_OS )) return FALSE;
+ if( ! IRC_WriteStrClient( Client, RPL_YOURHOST_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )), vertxt, TARGET_CPU, TARGET_VENDOR, TARGET_OS )) return false;
#else
- if( ! IRC_WriteStrClient( Client, RPL_YOURHOST_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )), PACKAGE_VERSION, TARGET_CPU, TARGET_VENDOR, TARGET_OS )) return FALSE;
+ if( ! IRC_WriteStrClient( Client, RPL_YOURHOST_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )), PACKAGE_VERSION, TARGET_CPU, TARGET_VENDOR, TARGET_OS )) return false;
#endif
- if( ! IRC_WriteStrClient( Client, RPL_CREATED_MSG, Client_ID( Client ), NGIRCd_StartStr )) return FALSE;
+ if( ! IRC_WriteStrClient( Client, RPL_CREATED_MSG, Client_ID( Client ), NGIRCd_StartStr )) return false;
#ifdef CVSDATE
- if( ! IRC_WriteStrClient( Client, RPL_MYINFO_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )), vertxt, USERMODES, CHANMODES )) return FALSE;
+ if( ! IRC_WriteStrClient( Client, RPL_MYINFO_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )), vertxt, USERMODES, CHANMODES )) return false;
#else
- if( ! IRC_WriteStrClient( Client, RPL_MYINFO_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )), PACKAGE_VERSION, USERMODES, CHANMODES )) return FALSE;
+ if( ! IRC_WriteStrClient( Client, RPL_MYINFO_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )), PACKAGE_VERSION, USERMODES, CHANMODES )) return false;
#endif
/* Features */
- if( ! IRC_WriteStrClient( Client, RPL_ISUPPORT_MSG, Client_ID( Client ), CLIENT_NICK_LEN - 1, CHANNEL_TOPIC_LEN - 1, CLIENT_AWAY_LEN - 1, Conf_MaxJoins )) return DISCONNECTED;
+ if( ! IRC_WriteStrClient( Client, RPL_ISUPPORT_MSG, Client_ID( Client ), CLIENT_NICK_LEN - 1,
+ COMMAND_LEN - 23, CLIENT_AWAY_LEN - 1, Conf_MaxJoins )) return DISCONNECTED;
Client_SetType( Client, CLIENT_USER );
} /* Hello_User */
-LOCAL VOID
-Kill_Nick( CHAR *Nick, CHAR *Reason )
+LOCAL void
+Kill_Nick( char *Nick, char *Reason )
{
REQUEST r;
assert( Nick != NULL );
assert( Reason != NULL );
- r.prefix = (CHAR *)Client_ThisServer( );
+ r.prefix = (char *)Client_ThisServer( );
r.argv[0] = Nick;
r.argv[1] = Reason;
r.argc = 2;