#include "portab.h"
-static char UNUSED id[] = "$Id: irc-info.c,v 1.41 2007/12/11 11:29:44 fw Exp $";
+static char UNUSED id[] = "$Id: irc-info.c,v 1.42 2008/02/11 11:06:31 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_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 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) {
+ if (strchr(client_modes, 'a'))
+ strcpy(flags, "G"); /* away */
+ else
+ strcpy(flags, "H");
+ if (is_ircop)
+ strlcat(flags, "*", sizeof(flags));
+
+ chan_user_modes = Channel_UserModes(Chan, c);
+ if (strchr(chan_user_modes, 'o'))
+ strlcat(flags, "@", sizeof(flags));
+ else if (strchr(chan_user_modes, 'v'))
+ strlcat(flags, "+", 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;
+ 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;
- }
+ if (strchr(client_modes, 'a'))
+ strcpy(flags, "G"); /* user is away */
+ else
+ strcpy(flags, "H");
- 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 (only_ops) /* 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);
}
+ if (!cl2chan)
+ channelname = "*";
- /* naechster Client */
- c = Client_Next( c );
+ 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 */
} /* IRC_Send_NAMES */
-GLOBAL bool
-IRC_Send_WHO( CLIENT *Client, CHANNEL *Chan, bool OnlyOps )
-{
- 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 */
-
/**
* Send the ISUPPORT numeric (005).
projects / ngircd / commitdiff