]> arthur.barton.de Git - ngircd-alex.git/blobdiff - src/ngircd/irc.c
Remove leftover debug message. Oops!
[ngircd-alex.git] / src / ngircd / irc.c
index b2d865fc7fa381c0b8062ad6bfcde58468f8460d..72caf7d576120e6abea27d6f5fb4e1e33866643f 100644 (file)
@@ -1,6 +1,6 @@
 /*
  * ngIRCd -- The Next Generation IRC Daemon
- * Copyright (c)2001-2013 Alexander Barton (alex@barton.de) and Contributors.
+ * Copyright (c)2001-2015 Alexander Barton (alex@barton.de) and Contributors.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * IRC commands
  */
 
-#include "imp.h"
 #include <assert.h>
 #include <stdio.h>
 #include <string.h>
+#include <strings.h>
+#include <time.h>
 
 #include "ngircd.h"
 #include "conn-func.h"
 #include "conf.h"
 #include "channel.h"
-#include "conn-encoding.h"
-#include "defines.h"
+#ifdef ICONV
+# include "conn-encoding.h"
+#endif
 #include "irc-macros.h"
 #include "irc-write.h"
 #include "log.h"
@@ -34,9 +36,7 @@
 #include "messages.h"
 #include "parse.h"
 #include "op.h"
-#include "tool.h"
 
-#include "exp.h"
 #include "irc.h"
 
 static char *Option_String PARAMS((CONN_ID Idx));
@@ -224,8 +224,6 @@ IRC_TRACE(CLIENT *Client, REQUEST *Req)
        assert(Client != NULL);
        assert(Req != NULL);
 
-       IRC_SetPenalty(Client, 3);
-
        _IRC_GET_SENDER_OR_RETURN_(from, Req, Client)
        _IRC_GET_TARGET_SERVER_OR_RETURN_(target, Req, 0, from)
 
@@ -242,7 +240,7 @@ IRC_TRACE(CLIENT *Client, REQUEST *Req)
                                        PACKAGE_VERSION, Client_ID(target),
                                        Client_ID(Client_NextHop(target)),
                                        Option_String(idx2),
-                                       time(NULL) - Conn_StartTime(idx2),
+                                       (long)(time(NULL) - Conn_StartTime(idx2)),
                                        Conn_SendQ(idx), Conn_SendQ(idx2)))
                        return DISCONNECTED;
 
@@ -301,8 +299,6 @@ IRC_HELP(CLIENT *Client, REQUEST *Req)
        assert(Client != NULL);
        assert(Req != NULL);
 
-       IRC_SetPenalty(Client, 2);
-
        if ((Req->argc == 0 && array_bytes(&Conf_Helptext) > 0)
            || (Req->argc >= 1 && strcasecmp(Req->argv[0], "Commands") != 0)) {
                /* Help text available and requested */
@@ -343,9 +339,12 @@ GLOBAL bool
 IRC_KillClient(CLIENT *Client, CLIENT *From, const char *Nick, const char *Reason)
 {
        const char *msg;
-       CONN_ID my_conn, conn;
+       CONN_ID my_conn = NONE, conn;
        CLIENT *c;
 
+       assert(Nick != NULL);
+       assert(Reason != NULL);
+
        /* Do we know such a client in the network? */
        c = Client_Search(Nick);
        if (!c) {
@@ -380,7 +379,8 @@ IRC_KillClient(CLIENT *Client, CLIENT *From, const char *Nick, const char *Reaso
        }
 
        /* Save ID of this connection */
-       my_conn = Client_Conn(Client);
+       if (Client)
+               my_conn = Client_Conn(Client);
 
        /* Kill the client NOW:
         *  - Close the local connection (if there is one),
@@ -493,11 +493,22 @@ Option_String(UNUSED CONN_ID Idx)
        if(options & CONN_ZIP)          /* zlib compression enabled */
                strlcat(option_txt, "z", sizeof(option_txt));
 #endif
-       LogDebug(" *** %d: %d = %s", Idx, options, option_txt);
 
        return option_txt;
 } /* Option_String */
 
+/**
+ * Send a message to target(s).
+ *
+ * This function is used by IRC_{PRIVMSG|NOTICE|SQUERY} to actualy
+ * send the message(s).
+ *
+ * @param Client The client from which this command has been received.
+ * @param Req Request structure with prefix and all parameters.
+ * @param ForceType Required type of the destination of the message(s).
+ * @param SendErrors Whether to report errors back to the client or not.
+ * @return CONNECTED or DISCONNECTED.
+ */
 static bool
 Send_Message(CLIENT * Client, REQUEST * Req, int ForceType, bool SendErrors)
 {
@@ -505,8 +516,10 @@ Send_Message(CLIENT * Client, REQUEST * Req, int ForceType, bool SendErrors)
        CL2CHAN *cl2chan;
        CHANNEL *chan;
        char *currentTarget = Req->argv[0];
-       char *lastCurrentTarget = NULL;
+       char *strtok_last = NULL;
        char *message = NULL;
+       char *targets[MAX_HNDL_TARGETS];
+       int i, target_nr = 0;
 
        assert(Client != NULL);
        assert(Req != NULL);
@@ -526,12 +539,11 @@ Send_Message(CLIENT * Client, REQUEST * Req, int ForceType, bool SendErrors)
        if (Req->argc > 2) {
                if (!SendErrors)
                        return CONNECTED;
-               IRC_SetPenalty(Client, 2);
                return IRC_WriteErrClient(Client, ERR_NEEDMOREPARAMS_MSG,
                                          Client_ID(Client), Req->command);
        }
 
-       if (Client_Type(Client) == CLIENT_SERVER)
+       if (Client_Type(Client) == CLIENT_SERVER && Req->prefix)
                from = Client_Search(Req->prefix);
        else
                from = Client;
@@ -547,10 +559,19 @@ Send_Message(CLIENT * Client, REQUEST * Req, int ForceType, bool SendErrors)
                message = Req->argv[1];
 
        /* handle msgtarget = msgto *("," msgto) */
-       currentTarget = strtok_r(currentTarget, ",", &lastCurrentTarget);
+       currentTarget = strtok_r(currentTarget, ",", &strtok_last);
        ngt_UpperStr(Req->command);
 
+       /* Please note that "currentTarget" is NULL when the target contains
+        * the separator character only, e. g. "," or ",,,," etc.! */
        while (currentTarget) {
+               /* Make sure that there hasn't been such a target already: */
+               targets[target_nr++] = currentTarget;
+               for(i = 0; i < target_nr - 1; i++) {
+                       if (strcasecmp(currentTarget, targets[i]) == 0)
+                               goto send_next_target;
+               }
+
                /* Check for and handle valid <msgto> of form:
                 * RFC 2812 2.3.1:
                 *   msgto =  channel / ( user [ "%" host ] "@" servername )
@@ -694,14 +715,14 @@ Send_Message(CLIENT * Client, REQUEST * Req, int ForceType, bool SendErrors)
                                return DISCONNECTED;
                } else if (ForceType != CLIENT_SERVICE
                           && (chan = Channel_Search(currentTarget))) {
+                       /* Target is a channel */
                        if (!Channel_Write(chan, from, Client, Req->command,
                                           SendErrors, message))
                                        return DISCONNECTED;
                } else if (ForceType != CLIENT_SERVICE
-                       /* $#: server/target mask, RFC 2812, sec. 3.3.1 */
                           && strchr("$#", currentTarget[0])
                           && strchr(currentTarget, '.')) {
-                       /* targetmask */
+                       /* $#: server/host mask, RFC 2812, sec. 3.3.1 */
                        if (!Send_Message_Mask(from, Req->command, currentTarget,
                                               message, SendErrors))
                                return DISCONNECTED;
@@ -714,14 +735,35 @@ Send_Message(CLIENT * Client, REQUEST * Req, int ForceType, bool SendErrors)
                }
 
        send_next_target:
-               currentTarget = strtok_r(NULL, ",", &lastCurrentTarget);
-               if (currentTarget)
-                       Conn_SetPenalty(Client_Conn(Client), 1);
+               currentTarget = strtok_r(NULL, ",", &strtok_last);
+               if (!currentTarget)
+                       break;
+
+               Conn_SetPenalty(Client_Conn(Client), 1);
+
+               if (target_nr >= MAX_HNDL_TARGETS) {
+                       /* Too many targets given! */
+                       return IRC_WriteErrClient(Client,
+                                                 ERR_TOOMANYTARGETS_MSG,
+                                                 currentTarget);
+               }
        }
 
        return CONNECTED;
 } /* Send_Message */
 
+/**
+ * Send a message to "target mask" target(s).
+ *
+ * See RFC 2812, sec. 3.3.1 for details.
+ *
+ * @param from The client from which this command has been received.
+ * @param command The command to use (PRIVMSG, NOTICE, ...).
+ * @param targetMask The "target mask" (will be verified by this function).
+ * @param message The message to send.
+ * @param SendErrors Whether to report errors back to the client or not.
+ * @return CONNECTED or DISCONNECTED.
+ */
 static bool
 Send_Message_Mask(CLIENT * from, char * command, char * targetMask,
                  char * message, bool SendErrors)
@@ -745,17 +787,15 @@ Send_Message_Mask(CLIENT * from, char * command, char * targetMask,
         * dot (".") and no wildcards ("*", "?") following the last one.
         */
        check_wildcards = strrchr(targetMask, '.');
-       assert(check_wildcards != NULL);
-       if (check_wildcards &&
-               check_wildcards[strcspn(check_wildcards, "*?")])
-       {
+       if (!check_wildcards || check_wildcards[strcspn(check_wildcards, "*?")]) {
                if (!SendErrors)
                        return true;
-               return IRC_WriteErrClient(from, ERR_WILDTOPLEVEL, targetMask);
+               return IRC_WriteErrClient(from, ERR_WILDTOPLEVEL_MSG,
+                                         targetMask);
        }
 
-       /* #: hostmask, see RFC 2812, sec. 3.3.1 */
        if (targetMask[0] == '#') {
+               /* #: hostmask, see RFC 2812, sec. 3.3.1 */
                for (cl = Client_First(); cl != NULL; cl = Client_Next(cl)) {
                        if (Client_Type(cl) != CLIENT_USER)
                                continue;
@@ -766,7 +806,8 @@ Send_Message_Mask(CLIENT * from, char * command, char * targetMask,
                                        return false;
                }
        } else {
-               assert(targetMask[0] == '$'); /* $: server mask, see RFC 2812, sec. 3.3.1 */
+               /* $: server mask, see RFC 2812, sec. 3.3.1 */
+               assert(targetMask[0] == '$');
                for (cl = Client_First(); cl != NULL; cl = Client_Next(cl)) {
                        if (Client_Type(cl) != CLIENT_USER)
                                continue;