]> arthur.barton.de Git - ngircd-alex.git/blobdiff - src/ngircd/irc-login.c
Allow IRC services to change their nick names.
[ngircd-alex.git] / src / ngircd / irc-login.c
index 992c3f0a987363dcbddcce64e4f17dc57e4f8964..95ec959cc0cf9bbf9d588e2776c4a51bbe59a442 100644 (file)
 #include "irc-login.h"
 
 
-typedef struct _INTRO_INFO {
-       char *nick;             /* Nick name */
-       int hopcount;           /* Hop count */
-       char *user;             /* User name */
-       char *host;             /* Host name */
-       CLIENT *server;         /* Server the client is connected to */
-       char *mode;             /* User modes */
-       char *name;             /* Real name */
-} INTRO_INFO;
-
-
 static bool Hello_User PARAMS(( CLIENT *Client ));
 static void Kill_Nick PARAMS(( char *Nick, char *Reason ));
-static void Introduce_Client PARAMS((CLIENT *From, char *Nick,
-                                    const int HopCount, char *User,
-                                    char *Host, CLIENT *Server,
-                                    char *Mode, char *Name ));
+static void Introduce_Client PARAMS((CLIENT *To, CLIENT *Client));
 static void cb_introduceClient PARAMS((CLIENT *Client, CLIENT *Prefix,
                                       void *i));
 
@@ -194,22 +180,17 @@ IRC_NICK( CLIENT *Client, REQUEST *Req )
        assert( Client != NULL );
        assert( Req != NULL );
 
-#ifndef STRICT_RFC
        /* 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
+#ifndef STRICT_RFC
+           || Client_Type(Client) == CLIENT_GOTUSER
 #endif
+           || Client_Type(Client) == CLIENT_USER
+           || Client_Type(Client) == CLIENT_SERVICE
+           || (Client_Type(Client) == CLIENT_SERVER && Req->argc == 1))
        {
                /* User registration or change of nickname */
 
@@ -257,9 +238,9 @@ IRC_NICK( CLIENT *Client, REQUEST *Req )
                                return CONNECTED;
                }
 
-               if(( Client_Type( target ) != CLIENT_USER )
-                  && ( Client_Type( target ) != CLIENT_SERVER ))
-               {
+               if (Client_Type(target) != CLIENT_USER &&
+                   Client_Type(target) != CLIENT_SERVICE &&
+                   Client_Type(target) != CLIENT_SERVER) {
                        /* New client */
                        Log( LOG_DEBUG, "Connection %d: got valid NICK command ...", 
                             Client_Conn( Client ));
@@ -273,25 +254,22 @@ IRC_NICK( CLIENT *Client, REQUEST *Req )
                                return Hello_User( Client );
                        else
                                Client_SetType( Client, CLIENT_GOTNICK );
-               }
-               else
-               {
+               } else {
                        /* Nickname change */
                        if (Client_Conn(target) > NONE) {
                                /* 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]);
+                                   "%s \"%s\" changed nick (connection %d): \"%s\" -> \"%s\".",
+                                   Client_TypeText(target), Client_Mask(target),
+                                   Client_Conn(target), Client_ID(target),
+                                   Req->argv[0]);
                                Conn_UpdateIdle(Client_Conn(target));
-                       }
-                       else
-                       {
+                       } else {
                                /* Remote client */
-                               Log( LOG_DEBUG,
-                                    "User \"%s\" changed nick: \"%s\" -> \"%s\".",
-                                    Client_Mask( target ), Client_ID( target ),
-                                    Req->argv[0] );
+                               LogDebug("%s \"%s\" changed nick: \"%s\" -> \"%s\".",
+                                        Client_TypeText(target),
+                                        Client_Mask(target), Client_ID(target),
+                                        Req->argv[0]);
                        }
 
                        /* Inform all users and servers (which have to know)
@@ -381,21 +359,12 @@ IRC_NICK( CLIENT *Client, REQUEST *Req )
                 * other servers about the new user.
                 * RFC 1459: announce the new client only after receiving the
                 * USER command, first we need more information! */
-               if (Req->argc >= 7) {
-                       modes = Client_Modes(c);
-                       LogDebug("User \"%s\" (+%s) registered (via %s, on %s, %d hop%s).",
-                               Client_Mask(c), modes, Client_ID(Client),
-                               Client_ID(intr_c), Client_Hops(c),
-                               Client_Hops(c) > 1 ? "s": "");
-
-                       Introduce_Client(Client, Req->argv[0],
-                               atoi(Req->argv[1]) + 1, Req->argv[2],
-                               Req->argv[3], intr_c, modes, Req->argv[6]);
-               } else {
-                       LogDebug("User \"%s\" is beeing registered (RFC 1459) ...",
+               if (Req->argc < 7) {
+                       LogDebug("Client \"%s\" is beeing registered (RFC 1459) ...",
                                 Client_Mask(c));
                        Client_SetType(c, CLIENT_GOTNICK);
-               }
+               } else
+                       Introduce_Client(Client, c);
 
                return CONNECTED;
        }
@@ -476,18 +445,10 @@ IRC_USER(CLIENT * Client, REQUEST * Req)
                LogDebug("Connection %d: got valid USER command for \"%s\".",
                         Client_Conn(Client), Client_Mask(c));
 
-               /* RFC 1459 style user registration? Inform other servers! */
-               if (Client_Type(c) == CLIENT_GOTNICK) {
-                       Introduce_Client(Client, Client_ID(c), Client_Hops(c),
-                                        Client_User(c), Client_Hostname(c),
-                                        Client_Introducer(c), Client_Modes(c),
-                                        Client_Info(c));
-                       LogDebug("User \"%s\" (+%s) registered (via %s, on %s, %d hop%s).",
-                                Client_Mask(c), Client_Modes(c), Client_ID(Client),
-                                Client_ID(Client_Introducer(c)), Client_Hops(c),
-                                Client_Hops(c) > 1 ? "s": "");
-                       Client_SetType(c, CLIENT_USER);
-               }
+               /* RFC 1459 style user registration?
+                * Introduce client to network: */
+               if (Client_Type(c) == CLIENT_GOTNICK)
+                       Introduce_Client(Client, c);
 
                return CONNECTED;
        } else if (Client_Type(Client) == CLIENT_USER) {
@@ -705,8 +666,6 @@ IRC_PONG(CLIENT *Client, REQUEST *Req)
 static bool
 Hello_User(CLIENT * Client)
 {
-       char modes[CLIENT_MODE_LEN + 1] = "+";
-
        assert(Client != NULL);
 
        /* Check password ... */
@@ -719,14 +678,7 @@ Hello_User(CLIENT * Client)
                return DISCONNECTED;
        }
 
-       Log(LOG_NOTICE, "User \"%s\" registered (connection %d).",
-           Client_Mask(Client), Client_Conn(Client));
-
-       /* Inform other servers */
-       strlcat(modes, Client_Modes(Client), sizeof(modes));
-       Introduce_Client(NULL, Client_ID(Client), 1, Client_User(Client),
-                        Client_Hostname(Client), NULL, modes,
-                        Client_Info(Client));
+       Introduce_Client(NULL, Client);
 
        if (!IRC_WriteStrClient
            (Client, RPL_WELCOME_MSG, Client_ID(Client), Client_Mask(Client)))
@@ -750,8 +702,6 @@ Hello_User(CLIENT * Client)
        if (!IRC_Send_ISUPPORT(Client))
                return DISCONNECTED;
 
-       Client_SetType(Client, CLIENT_USER);
-
        if (!IRC_Send_LUSERS(Client))
                return DISCONNECTED;
        if (!IRC_Show_MOTD(Client))
@@ -783,48 +733,62 @@ Kill_Nick( char *Nick, char *Reason )
 
 
 static void
-Introduce_Client(CLIENT *From, char *Nick, const int HopCount, char *User,
-                char *Host, CLIENT *Server, char *Mode, char *Name)
+Introduce_Client(CLIENT *From, CLIENT *Client)
 {
-       INTRO_INFO i;
+       char *type;
 
-       i.nick = Nick;
-       i.hopcount = HopCount;
-       i.user = User ? User : "-";
-       i.host = Host ? Host : "-";
-       i.server = Server ? Server : Client_ThisServer();
-       i.mode = Mode ? Mode : "+";
-       i.name = Name ? Name : "";
+       Client_SetType(Client, CLIENT_USER);
+
+       if (From) {
+               if (Conf_IsService(Conf_GetServer(Client_Conn(From)), Client_ID(Client))) {
+                       type = "Service";
+               } else
+                       type = "User";
+               LogDebug("%s \"%s\" (+%s) registered (via %s, on %s, %d hop%s).",
+                        type, Client_Mask(Client), Client_Modes(Client),
+                        Client_ID(From), Client_ID(Client_Introducer(Client)),
+                        Client_Hops(Client), Client_Hops(Client) > 1 ? "s": "");
+       } else
+               Log(LOG_NOTICE, "User \"%s\" registered (connection %d).",
+                   Client_Mask(Client), Client_Conn(Client));
 
+       /* Inform other servers */
        IRC_WriteStrServersPrefixFlag_CB(From,
                                From != NULL ? From : Client_ThisServer(),
-                               '\0', cb_introduceClient, (void *)(&i));
+                               '\0', cb_introduceClient, (void *)Client);
 } /* Introduce_Client */
 
 
 static void
-cb_introduceClient(CLIENT *Client, CLIENT *Prefix, void *data)
+cb_introduceClient(CLIENT *To, CLIENT *Prefix, void *data)
 {
-       INTRO_INFO *i = (INTRO_INFO *)data;
+       CLIENT *c = (CLIENT *)data;
        CONN_ID conn;
+       char *modes, *user, *host;
+
+       modes = Client_Modes(c);
+       user = Client_User(c) ? Client_User(c) : "-";
+       host = Client_Hostname(c) ? Client_Hostname(c) : "-";
 
-       conn = Client_Conn(Client);
+       conn = Client_Conn(To);
        if (Conn_Options(conn) & CONN_RFC1459) {
                /* RFC 1459 mode: separate NICK and USER commands */
-               Conn_WriteStr(conn, "NICK %s :%d", i->nick, i->hopcount);
+               Conn_WriteStr(conn, "NICK %s :%d", Client_ID(c),
+                             Client_Hops(c) + 1);
                Conn_WriteStr(conn, ":%s USER %s %s %s :%s",
-                             i->nick, i->user, i->host,
-                             Client_ID(i->server), i->name);
-               if (i->mode[0])
+                             Client_ID(c), user, host,
+                             Client_ID(Client_Introducer(c)), Client_Info(c));
+               if (modes[0])
                        Conn_WriteStr(conn, ":%s MODE %s +%s",
-                                     i->nick, i->nick, i->mode);
+                                     Client_ID(c), Client_ID(c), modes);
        } else {
                /* RFC 2813 mode: one combined NICK command */
-               IRC_WriteStrClientPrefix(Client, Prefix,
+               IRC_WriteStrClientPrefix(To, Prefix,
                                         "NICK %s %d %s %s %d +%s :%s",
-                                        i->nick, i->hopcount, i->user, i->host,
-                                        Client_MyToken(i->server), i->mode,
-                                        i->name);
+                                        Client_ID(c), Client_Hops(c) + 1,
+                                        user, host,
+                                        Client_MyToken(Client_Introducer(c)),
+                                        modes, Client_Info(c));
        }
 } /* cb_introduceClient */