#include "portab.h"
-static char UNUSED id[] = "$Id: irc-info.c,v 1.37 2006/10/07 10:40:52 fw Exp $";
+static char UNUSED id[] = "$Id: irc-info.c,v 1.43 2008/02/17 00:00:12 fw Exp $";
#include "imp.h"
#include <assert.h>
#include "defines.h"
#include "log.h"
#include "messages.h"
+#include "match.h"
#include "tool.h"
#include "parse.h"
#include "irc-write.h"
} /* IRC_NAMES */
+static unsigned int
+t_diff(time_t *t, const time_t div)
+{
+ time_t diff, remain;
+
+ diff = *t / div;
+
+ remain = diff * div;
+ *t -= remain;
+
+ return diff;
+}
+
+
+static unsigned int
+uptime_days(time_t *now)
+{
+ return t_diff(now, 60 * 60 * 24);
+}
+
+
+static unsigned int
+uptime_hrs(time_t *now)
+{
+ return t_diff(now, 60 * 60);
+}
+
+
+static unsigned int
+uptime_mins(time_t *now)
+{
+ return t_diff(now, 60);
+}
+
+
GLOBAL bool
IRC_STATS( CLIENT *Client, REQUEST *Req )
{
CONN_ID con;
char query;
COMMAND *cmd;
+ time_t time_now;
+ unsigned int days, hrs, mins;
assert( Client != NULL );
assert( Req != NULL );
/* Falsche Anzahl Parameter? */
- if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+ if (Req->argc > 2)
+ return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG, Client_ID(Client), Req->command);
/* From aus Prefix ermitteln */
- if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
- else from = Client;
- if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
+ if (Client_Type(Client) == CLIENT_SERVER)
+ from = Client_Search(Req->prefix);
+ else
+ from = Client;
- if( Req->argc == 2 )
- {
+ if (! from)
+ return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix);
+
+ if (Req->argc == 2) {
/* an anderen Server forwarden */
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] );
+ if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER ))
+ return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
- if( target != Client_ThisServer( ))
- {
+ if( target != Client_ThisServer()) {
/* Ok, anderer Server ist das Ziel: forwarden */
return IRC_WriteStrClientPrefix( target, from, "STATS %s %s", Req->argv[0], Req->argv[1] );
}
}
- if( Req->argc > 0 ) query = Req->argv[0][0] ? Req->argv[0][0] : '*';
- else query = '*';
+ if (Req->argc > 0)
+ query = Req->argv[0][0] ? Req->argv[0][0] : '*';
+ else
+ query = '*';
- switch ( query )
- {
+ switch (query) {
case 'l': /* Links */
case 'L':
- con = Conn_First( );
- while( con != NONE )
- {
- cl = Conn_GetClient( con );
- if( cl && (( Client_Type( cl ) == CLIENT_SERVER ) || ( cl == Client )))
- {
+ 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( NULL ) - Conn_StartTime( con )))) return DISCONNECTED;
+ 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;
}
- else
#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( NULL ) - Conn_StartTime( con )))) return DISCONNECTED;
- }
+ 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;
}
- con = Conn_Next( con );
}
break;
- case 'm': /* IRC-Befehle */
+ case 'm': /* IRC-Commands */
case 'M':
cmd = Parse_GetCommandStruct( );
- while( cmd->name )
- {
- if( cmd->lcount > 0 || cmd->rcount > 0 )
- {
- if( ! IRC_WriteStrClient( from, RPL_STATSCOMMANDS_MSG, Client_ID( from ), cmd->name, cmd->lcount, cmd->bytes, cmd->rcount )) return DISCONNECTED;
- }
- cmd++;
+ 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 );
+ IRC_SetPenalty(from, 2);
+ return IRC_WriteStrClient(from, RPL_ENDOFSTATS_MSG, Client_ID(from), query);
} /* IRC_STATS */
} /* IRC_VERSION */
+
+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));
+}
+
+
+static const char *
+who_flags_status(const char *client_modes)
+{
+ if (strchr(client_modes, 'a'))
+ return "G"; /* away */
+ return "H";
+}
+
+
+static const char *
+who_flags_qualifier(const char *chan_user_modes)
+{
+ if (strchr(chan_user_modes, 'o'))
+ return "@";
+ else if (strchr(chan_user_modes, 'v'))
+ return "+";
+ return "";
+}
+
+
+static bool
+IRC_Send_WHO(CLIENT *Client, CHANNEL *Chan, bool OnlyOps)
+{
+ bool is_visible, is_member, is_ircop;
+ CL2CHAN *cl2chan;
+ const char *client_modes;
+ const char *chan_user_modes;
+ char flags[8];
+ CLIENT *c;
+
+ assert( Client != NULL );
+ assert( Chan != NULL );
+
+ is_member = Channel_IsMemberOf(Chan, Client);
+
+ /* Secret channel? */
+ if (!is_member && strchr(Channel_Modes(Chan), 's'))
+ return CONNECTED;
+
+ cl2chan = Channel_FirstMember(Chan);
+ for (; cl2chan ; cl2chan = Channel_NextMember(Chan, cl2chan)) {
+ c = Channel_GetClient(cl2chan);
+
+ client_modes = Client_Modes(c);
+ is_ircop = strchr(client_modes, 'o') != NULL;
+ if (OnlyOps && !is_ircop)
+ continue;
+
+ is_visible = strchr(client_modes, 'i') == NULL;
+ if (is_member || is_visible) {
+ strcpy(flags, who_flags_status(client_modes));
+ if (is_ircop)
+ strlcat(flags, "*", sizeof(flags));
+
+ chan_user_modes = Channel_UserModes(Chan, c);
+ strlcat(flags, who_flags_qualifier(chan_user_modes), sizeof(flags));
+
+ if (!write_whoreply(Client, c, Channel_Name(Chan), flags))
+ return DISCONNECTED;
+ }
+ }
+ return IRC_WriteStrClient(Client, RPL_ENDOFWHO_MSG, Client_ID(Client), Channel_Name(Chan));
+} /* IRC_Send_WHO */
+
+
+
+static bool
+MatchCaseInsensitive(const char *pattern, const char *searchme)
+{
+ char haystack[COMMAND_LEN];
+
+ strlcpy(haystack, searchme, sizeof(haystack));
+
+ ngt_LowerStr(haystack);
+
+ return Match(pattern, haystack);
+}
+
+
GLOBAL bool
IRC_WHO( CLIENT *Client, REQUEST *Req )
{
- bool ok, only_ops;
- char flags[8];
- const char *ptr;
+ bool only_ops, have_arg, client_match;
+ const char *channelname, *client_modes, *chan_user_modes;
+ char pattern[COMMAND_LEN];
+ char flags[4];
CL2CHAN *cl2chan;
CHANNEL *chan, *cn;
CLIENT *c;
assert( Client != NULL );
assert( Req != NULL );
- /* Falsche Anzahl Parameter? */
- if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+ if (Req->argc > 2)
+ return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
only_ops = false;
- chan = NULL;
+ have_arg = false;
- if( Req->argc == 2 )
- {
- /* Nur OPs anzeigen? */
- if( strcmp( Req->argv[1], "o" ) == 0 ) only_ops = true;
+ if (Req->argc == 2) {
+ if (strcmp(Req->argv[1], "o") == 0)
+ only_ops = true;
#ifdef STRICT_RFC
- else return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+ else return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG, Client_ID(Client), Req->command);
#endif
}
- if( Req->argc >= 1 )
- {
- /* wurde ein Channel oder Nick-Mask angegeben? */
- chan = Channel_Search( Req->argv[0] );
+ IRC_SetPenalty(Client, 1);
+ if (Req->argc >= 1) { /* Channel or Mask. */
+ chan = Channel_Search(Req->argv[0]);
+ if (chan)
+ return IRC_Send_WHO(Client, chan, only_ops);
+ if (strcmp(Req->argv[0], "0") != 0) { /* RFC stupidity, same as no arguments */
+ have_arg = true;
+ strlcpy(pattern, Req->argv[0], sizeof(pattern));
+ ngt_LowerStr(pattern);
+ IRC_SetPenalty(Client, 3);
+ }
}
- if( chan )
- {
- /* User eines Channels ausgeben */
- if( ! IRC_Send_WHO( Client, chan, only_ops )) return DISCONNECTED;
- }
+ for (c = Client_First(); c != NULL; c = Client_Next(c)) {
+ if (Client_Type(c) != CLIENT_USER)
+ continue;
+ /*
+ * RFC 2812, 3.6.1:
+ * In the absence of the parameter, all visible (users who aren't
+ * invisible (user mode +i) and who don't have a common channel
+ * with the requesting client) are listed.
+ *
+ * The same result can be achieved by using a [sic] of "0"
+ * or any wildcard which will end up matching every visible user.
+ *
+ * The [sic] passed to WHO is matched against users' host, server, real name and
+ * nickname if the channel cannot be found.
+ */
+ client_modes = Client_Modes(c);
+ if (strchr(client_modes, 'i'))
+ continue;
+
+ if (only_ops && !strchr(client_modes, 'o'))
+ continue;
+
+ if (have_arg) { /* match pattern against user host/server/name/nick */
+ client_match = MatchCaseInsensitive(pattern, Client_Hostname(c)); /* user's host */
+ if (!client_match)
+ client_match = MatchCaseInsensitive(pattern, Client_ID(Client_Introducer(c))); /* server */
+ if (!client_match)
+ client_match = Match(Req->argv[0], Client_Info(c)); /* realname */
+ if (!client_match)
+ client_match = MatchCaseInsensitive(pattern, Client_ID(c)); /* nick name */
+
+ if (!client_match) /* This isn't the client you're looking for */
+ continue;
+ }
- c = Client_First( );
- while( c )
- {
- if(( Client_Type( c ) == CLIENT_USER ) && ( ! strchr( Client_Modes( c ), 'i' )))
- {
- ok = false;
- if( Req->argc == 0 ) ok = true;
- else
- {
- if( strcasecmp( Req->argv[0], Client_ID( c )) == 0 ) ok = true;
- else if( strcmp( Req->argv[0], "0" ) == 0 ) ok = true;
- }
+ strcpy(flags, who_flags_status(client_modes));
- if( ok && (( ! only_ops ) || ( strchr( Client_Modes( c ), 'o' ))))
- {
- /* Get flags */
- strcpy( flags, "H" );
- if( strchr( Client_Modes( c ), 'o' )) strlcat( flags, "*", sizeof( flags ));
-
- /* Search suitable channel */
- cl2chan = Channel_FirstChannelOf( c );
- while( cl2chan )
- {
- cn = Channel_GetChannel( cl2chan );
- if( Channel_IsMemberOf( cn, Client ) ||
- ! strchr( Channel_Modes( cn ), 's' ))
- {
- ptr = Channel_Name( cn );
- break;
- }
- cl2chan = Channel_NextChannelOf( c, cl2chan );
- }
- if( ! cl2chan ) ptr = "*";
+ if (strchr(client_modes, 'o')) /* this client is an operator */
+ strlcat(flags, "*", sizeof(flags));
- if( ! IRC_WriteStrClient( Client, RPL_WHOREPLY_MSG, Client_ID( Client ), ptr, Client_User( c ), Client_Hostname( c ), Client_ID( Client_Introducer( c )), Client_ID( c ), flags, Client_Hops( c ), Client_Info( c ))) return DISCONNECTED;
+ /* Search suitable channel */
+ cl2chan = Channel_FirstChannelOf(c);
+ while (cl2chan) {
+ cn = Channel_GetChannel(cl2chan);
+ if (Channel_IsMemberOf(cn, Client) ||
+ !strchr(Channel_Modes(cn), 's'))
+ {
+ channelname = Channel_Name(cn);
+ break;
}
+ cl2chan = Channel_NextChannelOf(c, cl2chan);
}
-
- /* naechster Client */
- c = Client_Next( c );
+ if (cl2chan) {
+ chan = Channel_GetChannel(cl2chan);
+ chan_user_modes = Channel_UserModes(chan, c);
+ strlcat(flags, who_flags_qualifier(chan_user_modes), sizeof(flags));
+ } else
+ channelname = "*";
+
+ if (!write_whoreply(Client, c, channelname, flags))
+ return DISCONNECTED;
}
- if( chan ) return IRC_WriteStrClient( Client, RPL_ENDOFWHO_MSG, Client_ID( Client ), Channel_Name( chan ));
- else if( Req->argc == 0 ) return IRC_WriteStrClient( Client, RPL_ENDOFWHO_MSG, Client_ID( Client ), "*" );
- else return IRC_WriteStrClient( Client, RPL_ENDOFWHO_MSG, Client_ID( Client ), Req->argv[0] );
+ if (Req->argc > 0)
+ channelname = Req->argv[0];
+ else
+ channelname = "*";
+
+ return IRC_WriteStrClient(Client, RPL_ENDOFWHO_MSG, Client_ID(Client), channelname);
} /* IRC_WHO */
if( ! IRC_WriteStrClient( from, RPL_WHOISOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED;
}
- /* Idle (only local clients) */
- if( Client_Conn( c ) > NONE )
- {
- if( ! IRC_WriteStrClient( from, RPL_WHOISIDLE_MSG, Client_ID( from ), Client_ID( c ), Conn_GetIdle( Client_Conn ( c )))) return DISCONNECTED;
+ /* Idle and signon time (local clients only!) */
+ if (Client_Conn(c) > NONE ) {
+ if (! IRC_WriteStrClient(from, RPL_WHOISIDLE_MSG,
+ Client_ID(from), Client_ID(c),
+ (unsigned long)Conn_GetIdle(Client_Conn(c)),
+ (unsigned long)Conn_GetSignon(Client_Conn(c))))
+ return DISCONNECTED;
}
/* Away? */
} /* IRC_Send_LUSERS */
-static bool Show_MOTD_Start(CLIENT *Client)
+static bool
+Show_MOTD_Start(CLIENT *Client)
{
return IRC_WriteStrClient(Client, RPL_MOTDSTART_MSG,
Client_ID( Client ), Client_ID( Client_ThisServer( )));
}
-static bool Show_MOTD_Sendline(CLIENT *Client, const char *msg)
+static bool
+Show_MOTD_Sendline(CLIENT *Client, const char *msg)
{
return IRC_WriteStrClient(Client, RPL_MOTD_MSG, Client_ID( Client ), msg);
}
-static bool Show_MOTD_End(CLIENT *Client)
+static bool
+Show_MOTD_End(CLIENT *Client)
{
return IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ));
}
} /* 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_WHO( CLIENT *Client, CHANNEL *Chan, bool OnlyOps )
+IRC_Send_ISUPPORT PARAMS((CLIENT * Client))
{
- bool is_visible, is_member;
- CL2CHAN *cl2chan;
- char flags[8];
- CLIENT *c;
-
- assert( Client != NULL );
- assert( Chan != NULL );
-
- if( Channel_IsMemberOf( Chan, Client )) is_member = true;
- else is_member = false;
-
- /* Secret channel? */
- if( ! is_member && strchr( Channel_Modes( Chan ), 's' )) return CONNECTED;
-
- /* Alle Mitglieder suchen */
- cl2chan = Channel_FirstMember( Chan );
- while( cl2chan )
- {
- c = Channel_GetClient( cl2chan );
-
- if( strchr( Client_Modes( c ), 'i' )) is_visible = false;
- else is_visible = true;
-
- if( is_member || is_visible )
- {
- /* Flags zusammenbasteln */
- strcpy( flags, "H" );
- if( strchr( Client_Modes( c ), 'o' )) strlcat( flags, "*", sizeof( flags ));
- if( strchr( Channel_UserModes( Chan, c ), 'o' )) strlcat( flags, "@", sizeof( flags ));
- else if( strchr( Channel_UserModes( Chan, c ), 'v' )) strlcat( flags, "+", sizeof( flags ));
-
- /* ausgeben */
- if(( ! OnlyOps ) || ( strchr( Client_Modes( c ), 'o' )))
- {
- if( ! IRC_WriteStrClient( Client, RPL_WHOREPLY_MSG, Client_ID( Client ), Channel_Name( Chan ), Client_User( c ), Client_Hostname( c ), Client_ID( Client_Introducer( c )), Client_ID( c ), flags, Client_Hops( c ), Client_Info( c ))) return DISCONNECTED;
- }
- }
-
- /* naechstes Mitglied suchen */
- cl2chan = Channel_NextMember( Chan, cl2chan );
- }
- return CONNECTED;
-} /* IRC_Send_WHO */
+ if (!IRC_WriteStrClient(Client, RPL_ISUPPORT1_MSG, Client_ID(Client),
+ Conf_MaxJoins))
+ return DISCONNECTED;
+ return IRC_WriteStrClient(Client, RPL_ISUPPORT2_MSG, Client_ID(Client),
+ CHANNEL_NAME_LEN - 1, Conf_MaxNickLength - 1,
+ COMMAND_LEN - 23, CLIENT_AWAY_LEN - 1,
+ COMMAND_LEN - 113);
+} /* IRC_Send_ISUPPORT */
/* -eof- */
projects / ngircd-alex.git / blobdiff