/*
* ms_whois - server message handler
*
* parv[0] = sender prefix
* parv[1] = nickname masklist
*
* or
*
* parv[1] = target server, or a nickname representing a server to target.
* parv[2] = nickname masklist
*/
int ms_whois(struct Client* cptr, struct Client* sptr, int parc, char* parv[])
{
char* nick;
char* tmp;
char* p = 0;
int found = 0;
int total = 0;
if (parc < 2)
{
send_reply(sptr, ERR_NONICKNAMEGIVEN);
return 0;
}
if (parc > 2)
{
if (hunt_server_cmd(sptr, CMD_WHOIS, cptr, 0, "%C :%s", 1, parc, parv) !=
HUNTED_ISME)
return 0;
parv[1] = parv[2];
}
total = 0;
for (tmp = parv[1]; (nick = ircd_strtok(&p, tmp, ",")); tmp = 0)
{
struct Client *acptr = 0;
found = 0;
collapse(nick);
acptr = FindUser(nick);
if (acptr && !IsServer(acptr)) {
found++;
do_whois(sptr, acptr, parc);
}
if (!found)
send_reply(sptr, ERR_NOSUCHNICK, nick);
total+=found;
if (total >= MAX_WHOIS_LINES) {
send_reply(sptr, ERR_QUERYTOOLONG, parv[1]);
break;
}
if (p)
p[-1] = ',';
} /* of tokenised parm[1] */
send_reply(sptr, RPL_ENDOFWHOIS, parv[1]);
return 0;
}
void cmd_whois::Handle (const char** parameters, int pcnt, userrec *user)
{
userrec *dest;
if (ServerInstance->Parser->LoopCall(user, this, parameters, pcnt, 0))
return;
dest = ServerInstance->FindNick(parameters[0]);
if (dest)
{
do_whois(this->ServerInstance, user,dest,0,0,parameters[0]);
}
else
{
/* no such nick/channel */
user->WriteServ("401 %s %s :No such nick/channel",user->nick, *parameters[0] ? parameters[0] : "*");
user->WriteServ("318 %s %s :End of /WHOIS list.",user->nick, *parameters[0] ? parameters[0] : "*");
}
}
/*
* m_whois - generic message handler
*
* parv[0] = sender prefix
* parv[1] = nickname masklist
*
* or
*
* parv[1] = target server, or a nickname representing a server to target.
* parv[2] = nickname masklist
*/
int m_whois(struct Client* cptr, struct Client* sptr, int parc, char* parv[])
{
char* nick;
char* tmp;
char* p = 0;
int found = 0;
int total = 0;
int wildscount = 0;
if (parc < 2)
{
send_reply(sptr, ERR_NONICKNAMEGIVEN);
return 0;
}
if (parc > 2)
{
/* For convenience: Accept a nickname as first parameter, by replacing
* it with the correct servername - as is needed by hunt_server().
* This is the secret behind the /whois nick nick trick.
*/
if (feature_int(FEAT_HIS_REMOTE))
{
/* If remote queries are disabled, then use the *second* parameter of
* of whois, so /whois nick nick still works.
*/
if (!IsAnOper(sptr))
{
if (!FindUser(parv[2]))
{
send_reply(sptr, ERR_NOSUCHNICK, parv[2]);
send_reply(sptr, RPL_ENDOFWHOIS, parv[2]);
return 0;
}
parv[1] = parv[2];
}
}
if (hunt_server_cmd(sptr, CMD_WHOIS, cptr, 0, "%C :%s", 1, parc, parv) !=
HUNTED_ISME)
return 0;
parv[1] = parv[2];
}
for (tmp = parv[1]; (nick = ircd_strtok(&p, tmp, ",")); tmp = 0)
{
int wilds;
found = 0;
collapse(nick);
wilds = (strchr(nick, '?') || strchr(nick, '*'));
if (!wilds) {
struct Client *acptr = 0;
/* No wildcards */
acptr = FindUser(nick);
if (acptr && !IsServer(acptr)) {
do_whois(sptr, acptr, parc);
found = 1;
}
}
else /* wilds */
{
if (++wildscount > 3) {
send_reply(sptr, ERR_QUERYTOOLONG, parv[1]);
break;
}
found=do_wilds(sptr, nick, total, parc);
}
if (!found)
send_reply(sptr, ERR_NOSUCHNICK, nick);
total+=found;
if (total >= MAX_WHOIS_LINES) {
send_reply(sptr, ERR_QUERYTOOLONG, parv[1]);
break;
}
if (p)
p[-1] = ',';
} /* of tokenised parm[1] */
send_reply(sptr, RPL_ENDOFWHOIS, parv[1]);
return 0;
}
/*
* Search and return as many people as matched by the wild 'nick'.
* returns the number of people found (or, obviously, 0, if none where
* found).
*/
static int do_wilds(struct Client* sptr, char *nick, int count, int parc)
{
struct Client *acptr; /* Current client we're considering */
struct User *user; /* the user portion of the client */
const char *name; /* the name of this client */
struct Membership* chan;
int invis; /* does +i apply? */
int member; /* Is this user on any channels? */
int showperson; /* Should we show this person? */
int found = 0 ; /* How many were found? */
/* Ech! This is hideous! */
for (acptr = GlobalClientList; (acptr = next_client(acptr, nick));
acptr = cli_next(acptr))
{
if (!IsRegistered(acptr))
continue;
if (IsServer(acptr))
continue;
/*
* I'm always last :-) and acptr->next == 0!!
*
* Isomer: Does this strike anyone else as being a horrible hideous
* hack?
*/
if (IsMe(acptr)) {
assert(!cli_next(acptr));
break;
}
/*
* 'Rules' established for sending a WHOIS reply:
*
* - if wildcards are being used don't send a reply if
* the querier isn't any common channels and the
* client in question is invisible.
*
* - only send replies about common or public channels
* the target user(s) are on;
*/
user = cli_user(acptr);
name = (!*(cli_name(acptr))) ? "?" : cli_name(acptr);
assert(user);
invis = (acptr != sptr) && IsInvisible(acptr);
member = (user && user->channel) ? 1 : 0;
showperson = !invis && !member;
/* Should we show this person now? */
if (showperson) {
found++;
do_whois(sptr, acptr, parc);
if (count+found>MAX_WHOIS_LINES)
return found;
continue;
}
/* Step through the channels this user is on */
for (chan = user->channel; chan; chan = chan->next_channel)
{
struct Channel *chptr = chan->channel;
/* If this is a public channel, show the person */
if (!invis && PubChannel(chptr)) {
showperson = 1;
break;
}
/* if this channel is +p and not +s, show them */
if (!invis && HiddenChannel(chptr) && !SecretChannel(chptr)) {
showperson = 1;
break;
}
member = find_channel_member(sptr, chptr) ? 1 : 0;
if (invis && !member)
continue;
/* If sptr isn't really on this channel, skip it */
if (IsZombie(chan))
continue;
/* Is this a common channel? */
if (member) {
showperson = 1;
break;
}
} /* of for (chan in channels) */
/* Don't show this person */
if (!showperson)
continue;
do_whois(sptr, acptr, parc);
found++;
if (count+found>MAX_WHOIS_LINES)
return found;
} /* of global client list */
return found;
}
