]> arthur.barton.de Git - ngircd-alex.git/blobdiff - src/ngircd/irc-info.c
Code cleanup: mostly removing empty lines
[ngircd-alex.git] / src / ngircd / irc-info.c
index 5a8555a0606f8095229feffffc48dda6efab0d92..46e342711387269a1cc47d19ecf1e1dee870c388 100644 (file)
@@ -1,19 +1,21 @@
 /*
  * ngIRCd -- The Next Generation IRC Daemon
- * Copyright (c)2001-2009 Alexander Barton (alex@barton.de)
+ * Copyright (c)2001-2010 Alexander Barton <alex@barton.de>
  *
  * 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
  * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.
  * Please read the file COPYING, README and AUTHORS for more information.
- *
- * IRC info commands
  */
 
-
 #include "portab.h"
 
+/**
+ * @file
+ * IRC info commands
+ */
+
 #include "imp.h"
 #include <assert.h>
 #include <errno.h>
@@ -25,9 +27,7 @@
 #include "ngircd.h"
 #include "conn-func.h"
 #include "conn-zip.h"
-#include "client.h"
 #include "channel.h"
-#include "resolve.h"
 #include "conf.h"
 #include "defines.h"
 #include "log.h"
@@ -465,6 +465,10 @@ uptime_mins(time_t *now)
 }
 
 
+/**
+ * Handler for the IRC command "STATS".
+ * See RFC 2812 section 3.4.4.
+ */
 GLOBAL bool
 IRC_STATS( CLIENT *Client, REQUEST *Req )
 {
@@ -475,11 +479,12 @@ IRC_STATS( CLIENT *Client, REQUEST *Req )
        time_t time_now;
        unsigned int days, hrs, mins;
 
-       assert( Client != NULL );
-       assert( Req != NULL );
+       assert(Client != NULL);
+       assert(Req != NULL);
 
        if (Req->argc > 2)
-               return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG, Client_ID(Client), Req->command);
+               return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
+                                         Client_ID(Client), Req->command);
 
        /* use prefix to determine "From" */
        if (Client_Type(Client) == CLIENT_SERVER)
@@ -487,18 +492,21 @@ IRC_STATS( CLIENT *Client, REQUEST *Req )
        else
                from = Client;
 
-       if (! from)
-               return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix);
+       if (!from)
+               return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG,
+                                         Client_ID(Client), Req->prefix);
 
        if (Req->argc == 2) {
                /* forward to another server? */
-               target = Client_Search( Req->argv[1] );
-               if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER ))
-                       return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
+               target = Client_Search(Req->argv[1]);
+               if ((!target) || (Client_Type(target) != CLIENT_SERVER))
+                       return IRC_WriteStrClient(from, ERR_NOSUCHSERVER_MSG,
+                                                Client_ID(from), Req->argv[1]);
 
-               iftarget != Client_ThisServer()) {
+               if (target != Client_ThisServer()) {
                        /* forward to another server */
-                       return IRC_WriteStrClientPrefix( target, from, "STATS %s %s", Req->argv[0], Req->argv[1] );
+                       return IRC_WriteStrClientPrefix(target, from,
+                                    "STATS %s %s", Req->argv[0], Req->argv[1]);
                }
        }
 
@@ -508,57 +516,70 @@ IRC_STATS( CLIENT *Client, REQUEST *Req )
                query = '*';
 
        switch (query) {
-               case 'l':       /* Links */
-               case 'L':
-                       time_now = time(NULL);
-                       for (con = Conn_First(); con != NONE ;con = Conn_Next(con)) {
-                               cl = Conn_GetClient(con);
-                               if (!cl)
-                                       continue;
-                               if ((Client_Type(cl) == CLIENT_SERVER) || (cl == Client)) {
-                                       /* Server link or our own connection */
+       case 'l':       /* Link status (servers and own link) */
+       case 'L':
+               time_now = time(NULL);
+               for (con = Conn_First(); con != NONE; con = Conn_Next(con)) {
+                       cl = Conn_GetClient(con);
+                       if (!cl)
+                               continue;
+                       if ((Client_Type(cl) == CLIENT_SERVER)
+                           || (cl == Client)) {
+                               /* Server link or our own connection */
 #ifdef ZLIB
-                                       if (Conn_Options(con) & CONN_ZIP) {
-                                               if (!IRC_WriteStrClient(from, RPL_STATSLINKINFOZIP_MSG,
-                                                       Client_ID(from), Client_Mask(cl), Conn_SendQ(con),
-                                                       Conn_SendMsg(con), Zip_SendBytes(con), Conn_SendBytes(con),
-                                                       Conn_RecvMsg(con), Zip_RecvBytes(con), Conn_RecvBytes(con), (long)(time_now - Conn_StartTime(con))))
-                                                               return DISCONNECTED;
-                                               continue;
-                                       }
-#endif
-                                       if (!IRC_WriteStrClient(from, RPL_STATSLINKINFO_MSG, Client_ID(from),
-                                               Client_Mask(cl), Conn_SendQ(con), Conn_SendMsg(con), Conn_SendBytes(con),
-                                               Conn_RecvMsg(con), Conn_RecvBytes(con), (long)(time_now - Conn_StartTime(con))))
-                                                       return DISCONNECTED;
-                               }
-                       }
-                       break;
-               case 'm':       /* IRC-Commands */
-               case 'M':
-                       cmd = Parse_GetCommandStruct( );
-                       for (; cmd->name ; cmd++) {
-                               if (cmd->lcount == 0 && cmd->rcount == 0)
+                               if (Conn_Options(con) & CONN_ZIP) {
+                                       if (!IRC_WriteStrClient
+                                           (from, RPL_STATSLINKINFOZIP_MSG,
+                                            Client_ID(from), Client_Mask(cl),
+                                            Conn_SendQ(con), Conn_SendMsg(con),
+                                            Zip_SendBytes(con),
+                                            Conn_SendBytes(con),
+                                            Conn_RecvMsg(con),
+                                            Zip_RecvBytes(con),
+                                            Conn_RecvBytes(con),
+                                            (long)(time_now - Conn_StartTime(con))))
+                                               return DISCONNECTED;
                                        continue;
-                               if (!IRC_WriteStrClient(from, RPL_STATSCOMMANDS_MSG, Client_ID(from),
-                                               cmd->name, cmd->lcount, cmd->bytes, cmd->rcount))
-                                                       return DISCONNECTED;
+                               }
+#endif
+                               if (!IRC_WriteStrClient
+                                   (from, RPL_STATSLINKINFO_MSG,
+                                    Client_ID(from), Client_Mask(cl),
+                                    Conn_SendQ(con), Conn_SendMsg(con),
+                                    Conn_SendBytes(con), Conn_RecvMsg(con),
+                                    Conn_RecvBytes(con),
+                                    (long)(time_now - Conn_StartTime(con))))
+                                       return DISCONNECTED;
                        }
-                       break;
-               case 'u':       /* server uptime */
-               case 'U':
-                       time_now = time(NULL) - NGIRCd_Start;
-                       days = uptime_days(&time_now);
-                       hrs = uptime_hrs(&time_now);
-                       mins = uptime_mins(&time_now);
-                       if (!IRC_WriteStrClient(from, RPL_STATSUPTIME, Client_ID(from),
-                                       days, hrs, mins, (unsigned int) time_now))
-                                               return DISCONNECTED;
-                       break;
+               }
+               break;
+       case 'm':       /* IRC command status (usage count) */
+       case 'M':
+               cmd = Parse_GetCommandStruct();
+               for (; cmd->name; cmd++) {
+                       if (cmd->lcount == 0 && cmd->rcount == 0)
+                               continue;
+                       if (!IRC_WriteStrClient
+                           (from, RPL_STATSCOMMANDS_MSG, Client_ID(from),
+                            cmd->name, cmd->lcount, cmd->bytes, cmd->rcount))
+                               return DISCONNECTED;
+               }
+               break;
+       case 'u':       /* Server uptime */
+       case 'U':
+               time_now = time(NULL) - NGIRCd_Start;
+               days = uptime_days(&time_now);
+               hrs = uptime_hrs(&time_now);
+               mins = uptime_mins(&time_now);
+               if (!IRC_WriteStrClient(from, RPL_STATSUPTIME, Client_ID(from),
+                                      days, hrs, mins, (unsigned int)time_now))
+                       return DISCONNECTED;
+               break;
        }
 
        IRC_SetPenalty(from, 2);
-       return IRC_WriteStrClient(from, RPL_ENDOFSTATS_MSG, Client_ID(from), query);
+       return IRC_WriteStrClient(from, RPL_ENDOFSTATS_MSG,
+                                 Client_ID(from), query);
 } /* IRC_STATS */
 
 
@@ -608,42 +629,51 @@ IRC_TIME( CLIENT *Client, REQUEST *Req )
 } /* IRC_TIME */
 
 
+/**
+ * Handler for the IRC command "USERHOST".
+ * See RFC 2812 section 4.8.
+ */
 GLOBAL bool
-IRC_USERHOST( CLIENT *Client, REQUEST *Req )
+IRC_USERHOST(CLIENT *Client, REQUEST *Req)
 {
        char rpl[COMMAND_LEN];
        CLIENT *c;
        int max, i;
 
-       assert( Client != NULL );
-       assert( Req != NULL );
+       assert(Client != NULL);
+       assert(Req != NULL);
 
-       if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+       if ((Req->argc < 1))
+               return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
+                                         Client_ID(Client), Req->command);
 
-       if( Req->argc > 5 ) max = 5;
-       else max = Req->argc;
+       if (Req->argc > 5)
+               max = 5;
+       else
+               max = Req->argc;
 
-       strlcpy( rpl, RPL_USERHOST_MSG, sizeof rpl );
-       for( i = 0; i < max; i++ )
-       {
-               c = Client_Search( Req->argv[i] );
-               if( c && ( Client_Type( c ) == CLIENT_USER ))
-               {
+       strlcpy(rpl, RPL_USERHOST_MSG, sizeof rpl);
+       for (i = 0; i < max; i++) {
+               c = Client_Search(Req->argv[i]);
+               if (c && (Client_Type(c) == CLIENT_USER)) {
                        /* This Nick is "online" */
-                       strlcat( rpl, Client_ID( c ), sizeof( rpl ));
-                       if( Client_HasMode( c, 'o' )) strlcat( rpl, "*", sizeof( rpl ));
-                       strlcat( rpl, "=", sizeof( rpl ));
-                       if( Client_HasMode( c, 'a' )) strlcat( rpl, "-", sizeof( rpl ));
-                       else strlcat( rpl, "+", sizeof( rpl ));
-                       strlcat( rpl, Client_User( c ), sizeof( rpl ));
-                       strlcat( rpl, "@", sizeof( rpl ));
-                       strlcat( rpl, Client_Hostname( c ), sizeof( rpl ));
-                       strlcat( rpl, " ", sizeof( rpl ));
+                       strlcat(rpl, Client_ID(c), sizeof(rpl));
+                       if (Client_HasMode(c, 'o'))
+                               strlcat(rpl, "*", sizeof(rpl));
+                       strlcat(rpl, "=", sizeof(rpl));
+                       if (Client_HasMode(c, 'a'))
+                               strlcat(rpl, "-", sizeof(rpl));
+                       else
+                               strlcat(rpl, "+", sizeof(rpl));
+                       strlcat(rpl, Client_User(c), sizeof(rpl));
+                       strlcat(rpl, "@", sizeof(rpl));
+                       strlcat(rpl, Client_HostnameCloaked(c), sizeof(rpl));
+                       strlcat(rpl, " ", sizeof(rpl));
                }
        }
-       ngt_TrimLastChr( rpl, ' ');
+       ngt_TrimLastChr(rpl, ' ');
 
-       return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
+       return IRC_WriteStrClient(Client, rpl, Client_ID(Client));
 } /* IRC_USERHOST */
 
 
@@ -700,9 +730,11 @@ IRC_VERSION( CLIENT *Client, REQUEST *Req )
 static bool
 write_whoreply(CLIENT *Client, CLIENT *c, const char *channelname, const char *flags)
 {
-       return IRC_WriteStrClient(Client, RPL_WHOREPLY_MSG, Client_ID(Client), channelname,
-                       Client_User(c), Client_Hostname(c), Client_ID(Client_Introducer(c)), Client_ID(c),
-                       flags, Client_Hops(c), Client_Info(c));
+       return IRC_WriteStrClient(Client, RPL_WHOREPLY_MSG, Client_ID(Client),
+                                 channelname, Client_User(c),
+                                 Client_HostnameCloaked(c),
+                                 Client_ID(Client_Introducer(c)), Client_ID(c),
+                                 flags, Client_Hops(c), Client_Info(c));
 }
 
 
@@ -884,6 +916,15 @@ IRC_WHO( CLIENT *Client, REQUEST *Req )
 } /* IRC_WHO */
 
 
+/**
+ * Handler for the IRC "WHOIS" command.
+ *
+ * See RFC 2812, 3.6.2 "Whois query".
+ *
+ * @param Client       The client from which this command has been received.
+ * @param Req          Request structure with prefix and all parameters.
+ * @return             CONNECTED or DISCONNECTED.
+ */
 GLOBAL bool
 IRC_WHOIS( CLIENT *Client, REQUEST *Req )
 {
@@ -896,11 +937,17 @@ IRC_WHOIS( CLIENT *Client, REQUEST *Req )
        assert( Req != NULL );
 
        /* Bad number of parameters? */
-       if(( Req->argc < 1 ) || ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+       if (Req->argc < 1 || Req->argc > 2)
+               return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
+                                         Client_ID(Client), Req->command);
 
        /* Search client */
-       c = Client_Search( Req->argv[Req->argc - 1] );
-       if(( ! c ) || ( Client_Type( c ) != CLIENT_USER )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[Req->argc - 1] );
+       c = Client_Search(Req->argv[Req->argc - 1]);
+       if (!c || (Client_Type(c) != CLIENT_USER
+                  && Client_Type(c) != CLIENT_SERVICE))
+               return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG,
+                                         Client_ID(Client),
+                                         Req->argv[Req->argc - 1]);
 
        /* Search sender of the WHOIS */
        if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
@@ -920,8 +967,11 @@ IRC_WHOIS( CLIENT *Client, REQUEST *Req )
 
        if(( Client_NextHop( target ) != Client_ThisServer( )) && ( Client_Type( Client_NextHop( target )) == CLIENT_SERVER )) return IRC_WriteStrClientPrefix( target, from, "WHOIS %s :%s", Req->argv[0], Req->argv[1] );
 
-       /* Nick, user and name */
-       if( ! IRC_WriteStrClient( from, RPL_WHOISUSER_MSG, Client_ID( from ), Client_ID( c ), Client_User( c ), Client_Hostname( c ), Client_Info( c ))) return DISCONNECTED;
+       /* Nick, user, hostname and client info */
+       if (!IRC_WriteStrClient(from, RPL_WHOISUSER_MSG, Client_ID(from),
+                               Client_ID(c), Client_User(c),
+                               Client_HostnameCloaked(c), Client_Info(c)))
+               return DISCONNECTED;
 
        /* Server */
        if( ! IRC_WriteStrClient( from, RPL_WHOISSERVER_MSG, Client_ID( from ), Client_ID( c ), Client_ID( Client_Introducer( c )), Client_Info( Client_Introducer( c )))) return DISCONNECTED;
@@ -972,6 +1022,13 @@ IRC_WHOIS( CLIENT *Client, REQUEST *Req )
                if( ! IRC_WriteStrClient( from, RPL_WHOISOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED;
        }
 
+       /* Connected using SSL? */
+       if (Conn_UsesSSL(Client_Conn(c))) {
+               if (!IRC_WriteStrClient
+                   (from, RPL_WHOISSSL_MSG, Client_ID(from), Client_ID(c)))
+                       return DISCONNECTED;
+       }
+
        /* Idle and signon time (local clients only!) */
        if (Client_Conn(c) > NONE ) {
                if (! IRC_WriteStrClient(from, RPL_WHOISIDLE_MSG,
@@ -1155,6 +1212,10 @@ IRC_Send_LUSERS( CLIENT *Client )
        if(! IRC_WriteStrClient(Client, RPL_NETUSERS_MSG, Client_ID(Client),
                        cnt, max, cnt, max))
                return DISCONNECTED;
+       /* Connection counters */
+       if (! IRC_WriteStrClient(Client, RPL_STATSCONN_MSG, Client_ID(Client),
+                       Conn_CountMax(), Conn_CountAccepted()))
+               return DISCONNECTED;
 #endif
        
        return CONNECTED;
@@ -1195,51 +1256,38 @@ static bool Show_MOTD_SSLInfo(CLIENT *Client)
        return ret;
 }
 #else
-static inline bool Show_MOTD_SSLInfo(UNUSED CLIENT *c) { return true; }
+static inline bool
+Show_MOTD_SSLInfo(UNUSED CLIENT *c)
+{ return true; }
 #endif
 
 GLOBAL bool
 IRC_Show_MOTD( CLIENT *Client )
 {
-       char line[127];
-       FILE *fd;
+       const char *line;
+       size_t len_tot, len_str;
 
        assert( Client != NULL );
 
-       if (Conf_MotdPhrase[0]) {
-               if (!Show_MOTD_Start(Client))
-                       return DISCONNECTED;
-               if (!Show_MOTD_Sendline(Client, Conf_MotdPhrase))
-                       return DISCONNECTED;
-               goto out;
-       }
+       len_tot = array_bytes(&Conf_Motd);
+       if (len_tot == 0 && !Conn_UsesSSL(Client_Conn(Client)))
+               return IRC_WriteStrClient(Client, ERR_NOMOTD_MSG, Client_ID(Client));
 
-       fd = fopen( Conf_MotdFile, "r" );
-       if( ! fd ) {
-               Log( LOG_WARNING, "Can't read MOTD file \"%s\": %s", Conf_MotdFile, strerror( errno ));
-               if (Conn_UsesSSL(Client_Conn(Client))) {
-                       if (!Show_MOTD_Start(Client))
-                               return DISCONNECTED;
-                       goto out;
-               }
-               return IRC_WriteStrClient( Client, ERR_NOMOTD_MSG, Client_ID( Client ) );
-       }
+       if (!Show_MOTD_Start(Client))
+               return DISCONNECTED;
 
-       if (!Show_MOTD_Start( Client )) {
-               fclose(fd);
-               return false;
-       }
+       line = array_start(&Conf_Motd);
+       while (len_tot > 0) {
+               len_str = strlen(line) + 1;
 
-       while (fgets( line, (int)sizeof line, fd )) {
-               ngt_TrimLastChr( line, '\n');
+               assert(len_tot >= len_str);
+               len_tot -= len_str;
 
-               if( ! Show_MOTD_Sendline( Client, line)) {
-                       fclose( fd );
-                       return false;
-               }
+               if (!Show_MOTD_Sendline(Client, line))
+                       return DISCONNECTED;
+               line += len_str;
        }
-       fclose(fd);
-out:
+
        if (!Show_MOTD_SSLInfo(Client))
                return DISCONNECTED;
        return Show_MOTD_End(Client);
@@ -1302,14 +1350,13 @@ IRC_Send_NAMES( CLIENT *Client, CHANNEL *Chan )
 } /* IRC_Send_NAMES */
 
 
-
 /**
  * Send the ISUPPORT numeric (005).
  * This numeric indicates the features that are supported by this server.
  * See <http://www.irc.org/tech_docs/005.html> for details.
  */
 GLOBAL bool
-IRC_Send_ISUPPORT PARAMS((CLIENT * Client))
+IRC_Send_ISUPPORT(CLIENT * Client)
 {
        if (!IRC_WriteStrClient(Client, RPL_ISUPPORT1_MSG, Client_ID(Client),
                                Conf_MaxJoins))