Introduce option to configure the maximum nick name lenth in ngircd.conf

[ngircd-alex.git] / src / ngircd / parse.c

diff --git a/src/ngircd/parse.c b/src/ngircd/parse.c
index e36b3e7e14b2cc1c3ad4e4a97bf77d13175a5cb4..5109169b72a068b8ff4655adda8bcb6637c093b1 100644 (file)
--- a/src/ngircd/parse.c
+++ b/src/ngircd/parse.c
@@ -12,7 +12,7 @@
 
 #include "portab.h"
 
-static char UNUSED id[] = "$Id: parse.c,v 1.62 2005/06/01 21:52:18 alex Exp $";
+static char UNUSED id[] = "$Id: parse.c,v 1.69 2007/11/21 12:16:36 alex Exp $";
 
 /**
  * @file
@@ -48,6 +48,7 @@ static char UNUSED id[] = "$Id: parse.c,v 1.62 2005/06/01 21:52:18 alex Exp $";
 #include "irc-oper.h"
 #include "irc-server.h"
 #include "irc-write.h"
+#include "numeric.h"
 
 #include "exp.h"
 
@@ -93,6 +94,7 @@ COMMAND My_Commands[] =
        { "USER", IRC_USER, 0xFFFF, 0, 0, 0 },
        { "USERHOST", IRC_USERHOST, CLIENT_USER, 0, 0, 0 },
        { "VERSION", IRC_VERSION, CLIENT_USER|CLIENT_SERVER, 0, 0, 0 },
+       { "WALLOPS", IRC_WALLOPS, CLIENT_USER|CLIENT_SERVER, 0, 0, 0 },
        { "WHO", IRC_WHO, CLIENT_USER, 0, 0, 0 },
        { "WHOIS", IRC_WHOIS, CLIENT_USER|CLIENT_SERVER, 0, 0, 0 },
        { "WHOWAS", IRC_WHOWAS, CLIENT_USER|CLIENT_SERVER, 0, 0, 0 },
@@ -102,14 +104,21 @@ COMMAND My_Commands[] =
        { NULL, NULL, 0x0, 0, 0, 0 } /* Ende-Marke */
 };
 
+NUMERIC My_Numerics[] =
+{
+       { 005, IRC_Num_ISUPPORT },
+       { 376, IRC_Num_ENDOFMOTD },
+       { 0, NULL } /* end marker */
+};
 
-LOCAL void Init_Request PARAMS(( REQUEST *Req ));
 
-LOCAL bool Validate_Prefix PARAMS(( CONN_ID Idx, REQUEST *Req, bool *Closed ));
-LOCAL bool Validate_Command PARAMS(( CONN_ID Idx, REQUEST *Req, bool *Closed ));
-LOCAL bool Validate_Args PARAMS(( CONN_ID Idx, REQUEST *Req, bool *Closed ));
+static void Init_Request PARAMS(( REQUEST *Req ));
 
-LOCAL bool Handle_Request PARAMS(( CONN_ID Idx, REQUEST *Req ));
+static bool Validate_Prefix PARAMS(( CONN_ID Idx, REQUEST *Req, bool *Closed ));
+static bool Validate_Command PARAMS(( CONN_ID Idx, REQUEST *Req, bool *Closed ));
+static bool Validate_Args PARAMS(( CONN_ID Idx, REQUEST *Req, bool *Closed ));
+
+static bool Handle_Request PARAMS(( CONN_ID Idx, REQUEST *Req ));
 
 
 /**
@@ -247,7 +256,7 @@ Parse_Request( CONN_ID Idx, char *Request )
  * Initialize request structure.
  * @param Req Request structure to be initialized.
  */
-LOCAL void
+static void
 Init_Request( REQUEST *Req )
 {
        /* Neue Request-Struktur initialisieren */
@@ -263,7 +272,7 @@ Init_Request( REQUEST *Req )
 } /* Init_Request */
 
 
-LOCAL bool
+static bool
 Validate_Prefix( CONN_ID Idx, REQUEST *Req, bool *Closed )
 {
        CLIENT *client, *c;
@@ -277,7 +286,7 @@ Validate_Prefix( CONN_ID Idx, REQUEST *Req, bool *Closed )
        if( ! Req->prefix ) return true;
 
        /* Client-Struktur der Connection ermitteln */
-       client = Client_GetFromConn( Idx );
+       client = Conn_GetClient( Idx );
        assert( client != NULL );
 
        /* nur validieren, wenn bereits registrierte Verbindung */
@@ -306,7 +315,7 @@ Validate_Prefix( CONN_ID Idx, REQUEST *Req, bool *Closed )
        {
                /* das angegebene Prefix ist aus dieser Richtung, also
                 * aus der gegebenen Connection, ungueltig! */
-               Log( LOG_ERR, "Spoofed prefix \"%s\" from \"%s\" (connection %d, command %s)!", Req->prefix, Client_Mask( Client_GetFromConn( Idx )), Idx, Req->command );
+               Log( LOG_ERR, "Spoofed prefix \"%s\" from \"%s\" (connection %d, command %s)!", Req->prefix, Client_Mask( Conn_GetClient( Idx )), Idx, Req->command );
                Conn_Close( Idx, NULL, "Spoofed prefix", true);
                *Closed = true;
                return false;
@@ -316,8 +325,8 @@ Validate_Prefix( CONN_ID Idx, REQUEST *Req, bool *Closed )
 } /* Validate_Prefix */
 
 
-LOCAL bool
-Validate_Command( CONN_ID Idx, REQUEST *Req, bool *Closed )
+static bool
+Validate_Command( UNUSED CONN_ID Idx, UNUSED REQUEST *Req, bool *Closed )
 {
        assert( Idx >= 0 );
        assert( Req != NULL );
@@ -327,8 +336,8 @@ Validate_Command( CONN_ID Idx, REQUEST *Req, bool *Closed )
 } /* Validate_Comman */
 
 
-LOCAL bool
-Validate_Args( CONN_ID Idx, REQUEST *Req, bool *Closed )
+static bool
+Validate_Args( UNUSED CONN_ID Idx, UNUSED REQUEST *Req, bool *Closed )
 {
        assert( Idx >= 0 );
        assert( Req != NULL );
@@ -338,7 +347,7 @@ Validate_Args( CONN_ID Idx, REQUEST *Req, bool *Closed )
 } /* Validate_Args */
 
 
-LOCAL bool
+static bool
 Handle_Request( CONN_ID Idx, REQUEST *Req )
 {
        /* Client-Request verarbeiten. Bei einem schwerwiegenden Fehler
@@ -348,34 +357,55 @@ Handle_Request( CONN_ID Idx, REQUEST *Req )
        char str[LINE_LEN];
        bool result;
        COMMAND *cmd;
+       NUMERIC *num;
        int i;
 
        assert( Idx >= 0 );
        assert( Req != NULL );
        assert( Req->command != NULL );
 
-       client = Client_GetFromConn( Idx );
+       client = Conn_GetClient( Idx );
        assert( client != NULL );
 
-       /* Statuscode? */
-       if(( Client_Type( client ) == CLIENT_SERVER ) && ( strlen( Req->command ) == 3 ) && ( atoi( Req->command ) > 100 ))
-       {
-               /* Command is a status code from an other server */
+       /* Numeric? */
+       if ((Client_Type(client) == CLIENT_SERVER ||
+            Client_Type(client) == CLIENT_UNKNOWNSERVER)
+           && strlen(Req->command) == 3 && atoi(Req->command) > 1) {
+               /* Command is a status code ("numeric") from an other server */
 
                /* Determine target */
-               if( Req->argc > 0 ) target = Client_Search( Req->argv[0] );
-               else target = NULL;
-               if( ! target )
-               {
+               if (Req->argc > 0)
+                       target = Client_Search( Req->argv[0] );
+               else
+                       target = NULL;
+               if (!target) {
                        /* Status code without target!? */
-                       if( Req->argc > 0 ) Log( LOG_WARNING, "Unknown target for status code %s: \"%s\"", Req->command, Req->argv[0] );
-                       else Log( LOG_WARNING, "Unknown target for status code %s!", Req->command );
+                       if (Req->argc > 0)
+                               Log(LOG_WARNING,
+                                   "Unknown target for status code %s: \"%s\"",
+                                   Req->command, Req->argv[0]);
+                       else
+                               Log(LOG_WARNING,
+                                   "Unknown target for status code %s!",
+                                   Req->command);
                        return true;
                }
-               if( target == Client_ThisServer( ))
-               {
-                       /* This server is the target, ignore it */
-                       Log( LOG_DEBUG, "Ignored status code %s from \"%s\".", Req->command, Client_ID( client ));
+               if (target == Client_ThisServer()) {
+                       /* This server is the target of the numeric */
+                       i = atoi(Req->command);
+
+                       num = My_Numerics;
+                       while (num->numeric > 0) {
+                               if (i != num->numeric) {
+                                       num++;
+                                       continue;
+                               }
+                               result = (num->function)(client, Req);
+                               return result;
+                       }
+                       
+                       LogDebug("Ignored status code %s from \"%s\".",
+                                Req->command, Client_ID(client));
                        return true;
                }
 
@@ -433,11 +463,26 @@ Handle_Request( CONN_ID Idx, REQUEST *Req )
                        return IRC_WriteStrClient( client, ERR_NOTREGISTERED_MSG, Client_ID( client ));
                }
        }
+
+       if( Client_Type( client ) != CLIENT_USER &&
+           Client_Type( client ) != CLIENT_SERVER &&
+           Client_Type( client ) != CLIENT_SERVICE )
+               return true;
        
-       /* Unbekannter Befehl */
-       Log( LOG_DEBUG, "Connection %d: Unknown command \"%s\", %d %s,%s prefix.", Client_Conn( client ), Req->command, Req->argc, Req->argc == 1 ? "parameter" : "parameters", Req->prefix ? "" : " no" );
-       if( Client_Type( client ) != CLIENT_SERVER ) return IRC_WriteStrClient( client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( client ), Req->command );
-       else return true;
+       /* Unknown command and registered connection: generate error: */
+       Log( LOG_DEBUG, "Connection %d: Unknown command \"%s\", %d %s,%s prefix.",
+                       Client_Conn( client ), Req->command, Req->argc,
+                       Req->argc == 1 ? "parameter" : "parameters",
+                       Req->prefix ? "" : " no" );
+
+       if (Client_Type(client) != CLIENT_SERVER) {
+               result = IRC_WriteStrClient(client, ERR_UNKNOWNCOMMAND_MSG,
+                               Client_ID(client), Req->command);
+               Conn_SetPenalty(Idx, 1);
+               return result;
+       }
+
+       return true;
 } /* Handle_Request */