-
/*
* IRC - Internet Relay Chat, ircd/s_user.c (formerly ircd/s_msg.c)
* Copyright (C) 1990 Jarkko Oikarinen and
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
+/** @file
+ * @brief Support functions for /WHO-like commands.
+ * @version $Id$
+ */
+#include "config.h"
-#include "sys.h"
-#include <sys/stat.h>
-#include <utmp.h>
-#if HAVE_FCNTL_H
-#include <fcntl.h>
-#endif
-#include <stdlib.h>
-#if HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-#ifdef USE_SYSLOG
-#include <syslog.h>
-#endif
-#include "h.h"
-#include "struct.h"
-#include "common.h"
-#include "s_serv.h"
+#include "whocmds.h"
+#include "channel.h"
+#include "client.h"
+#include "hash.h"
+#include "ircd.h"
+#include "ircd_chattr.h"
+#include "ircd_features.h"
+#include "ircd_reply.h"
+#include "ircd_snprintf.h"
+#include "ircd_string.h"
+#include "list.h"
+#include "match.h"
#include "numeric.h"
-#include "send.h"
+#include "numnicks.h"
+#include "querycmds.h"
+#include "random.h"
+#include "s_bsd.h"
#include "s_conf.h"
#include "s_misc.h"
-#include "match.h"
-#include "hash.h"
-#include "s_bsd.h"
-#include "whowas.h"
-#include "list.h"
-#include "s_err.h"
-#include "parse.h"
-#include "ircd.h"
#include "s_user.h"
-#include "support.h"
-#include "s_user.h"
-#include "channel.h"
-#include "random.h"
+#include "send.h"
+#include "struct.h"
+#include "sys.h"
+#include "userload.h"
#include "version.h"
+#include "whowas.h"
#include "msg.h"
-#include "userload.h"
-#include "numnicks.h"
-#include "sprintf_irc.h"
-#include "querycmds.h"
-#include "IPcheck.h"
-
-RCSTAG_CC("$Id$");
-/*
- * m_who()
- * m_who with support routines rewritten by Nemesi, August 1997
- * - Alghoritm have been flattened (no more recursive)
- * - Several bug fixes
- * - Strong performance improvement
- * - Added possibility to have specific fields in the output
- * See readme.who for further details.
- */
-
-/* Macros used only in here by m_who and its support functions */
-
-#define WHOSELECT_OPER 1
-#define WHOSELECT_EXTRA 2
-
-#define WHO_FIELD_QTY 1
-#define WHO_FIELD_CHA 2
-#define WHO_FIELD_UID 4
-#define WHO_FIELD_NIP 8
-#define WHO_FIELD_HOS 16
-#define WHO_FIELD_SER 32
-#define WHO_FIELD_NIC 64
-#define WHO_FIELD_FLA 128
-#define WHO_FIELD_DIS 256
-#define WHO_FIELD_REN 512
-
-#define WHO_FIELD_DEF ( WHO_FIELD_NIC | WHO_FIELD_UID | WHO_FIELD_HOS | WHO_FIELD_SER )
-
-#define IS_VISIBLE_USER(s,ac) ((s==ac) || (!IsInvisible(ac)))
-
-#if defined(SHOW_INVISIBLE_LUSERS) || defined(SHOW_ALL_INVISIBLE_USERS)
-#define SEE_LUSER(s, ac, b) (IS_VISIBLE_USER(s, ac) || ((b & WHOSELECT_EXTRA) && MyConnect(ac) && IsAnOper(s)))
-#else
-#define SEE_LUSER(s, ac, b) (IS_VISIBLE_USER(s, ac))
-#endif
-
-#ifdef SHOW_ALL_INVISIBLE_USERS
-#define SEE_USER(s, ac, b) (SEE_LUSER(s, ac, b) || ((b & WHOSELECT_EXTRA) && IsOper(s)))
-#else
-#define SEE_USER(s, ac, b) (SEE_LUSER(s, ac, b))
-#endif
-
-#ifdef UNLIMIT_OPER_QUERY
-#define SHOW_MORE(sptr, counter) (IsAnOper(sptr) || (!(counter-- < 0)) )
-#else
-#define SHOW_MORE(sptr, counter) (!(counter-- < 0))
-#endif
-
-#ifdef OPERS_SEE_IN_SECRET_CHANNELS
-#ifdef LOCOP_SEE_IN_SECRET_CHANNELS
-#define SEE_CHANNEL(s, chptr, b) (!SecretChannel(chptr) || ((b & WHOSELECT_EXTRA) && IsAnOper(s)))
-#else
-#define SEE_CHANNEL(s, chptr, b) (!SecretChannel(chptr) || ((b & WHOSELECT_EXTRA) && IsOper(s)))
-#endif
-#else
-#define SEE_CHANNEL(s, chptr, b) (!SecretChannel(chptr))
-#endif
-
-
-/*
- * A little spin-marking utility to tell us wich clients we have already
- * processed and wich not
- */
-static int who_marker = 0;
-static void move_marker(void)
-{
- if (!++who_marker)
- {
- aClient *cptr = client;
- while (cptr)
- {
- cptr->marker = 0;
- cptr = cptr->next;
- }
- who_marker++;
- }
-}
-#define CheckMark(x, y) ((x == y) ? 0 : (x = y))
-#define Process(cptr) CheckMark(cptr->marker, who_marker)
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <unistd.h>
-/*
- * The function that actually prints out the WHO reply for a client found
+/** Send a WHO reply to a client who asked.
+ * @param[in] sptr Client who is searching for other users.
+ * @param[in] acptr Client who may be shown to \a sptr.
+ * @param[in] repchan Shared channel that provides visibility.
+ * @param[in] fields Bitmask of WHO_FIELD_* values, indicating what to show.
+ * @param[in] qrt Query type string (ignored unless \a fields & WHO_FIELD_QTY).
*/
-static void do_who(aClient *sptr, aClient *acptr, aChannel *repchan,
- int fields, char *qrt)
+void do_who(struct Client* sptr, struct Client* acptr, struct Channel* repchan,
+ int fields, char* qrt)
{
- Reg1 char *p1;
- Reg2 aChannel *chptr;
+ char *p1;
+ struct Membership *chan = 0;
static char buf1[512];
/* NOTE: with current fields list and sizes this _cannot_ overrun,
and also the message finally sent shouldn't ever be truncated */
p1 = buf1;
- chptr = repchan;
buf1[1] = '\0';
/* If we don't have a channel and we need one... try to find it,
unless the listing is for a channel service, we already know
that there are no common channels, thus use PubChannel and not
SeeChannel */
- if (!chptr && (!fields || (fields & (WHO_FIELD_CHA | WHO_FIELD_FLA))) &&
- !IsChannelService(acptr))
+ if (repchan)
{
- Reg3 Link *lp;
- for (lp = acptr->user->channel; lp && !chptr; lp = lp->next)
- if (PubChannel(lp->value.chptr) &&
- (acptr == sptr || !is_zombie(acptr, chptr)))
- chptr = lp->value.chptr;
+ chan = find_channel_member(acptr, repchan);
+ }
+ else if ((!fields || (fields & (WHO_FIELD_CHA | WHO_FIELD_FLA)))
+ && !IsChannelService(acptr))
+ {
+ for (chan = cli_user(acptr)->channel; chan; chan = chan->next_channel)
+ if (PubChannel(chan->channel) &&
+ (acptr == sptr || !IsZombie(chan)))
+ break;
}
/* Place the fields one by one in the buffer and send it
note that fields == NULL means "default query" */
- if (fields & WHO_FIELD_QTY) /* Query type */
+ if (fields & WHO_FIELD_QTY) /* Query type */
{
*(p1++) = ' ';
if (BadPtr(qrt))
if (!fields || (fields & WHO_FIELD_CHA))
{
- Reg3 char *p2;
+ char *p2;
*(p1++) = ' ';
- if ((p2 = (chptr ? chptr->chname : NULL)))
+ if ((p2 = (chan ? chan->channel->chname : NULL)))
while ((*p2) && (*(p1++) = *(p2++)));
else
*(p1++) = '*';
if (!fields || (fields & WHO_FIELD_UID))
{
- Reg3 char *p2 = acptr->user->username;
+ char *p2 = cli_user(acptr)->username;
*(p1++) = ' ';
while ((*p2) && (*(p1++) = *(p2++)));
}
if (fields & WHO_FIELD_NIP)
{
- Reg3 char *p2;
- p2 = inetntoa(acptr->ip);
+ const char* p2 = HasHiddenHost(acptr) && !IsAnOper(sptr) ?
+ feature_str(FEAT_HIDDEN_IP) :
+ ircd_ntoa(&cli_ip(acptr));
*(p1++) = ' ';
while ((*p2) && (*(p1++) = *(p2++)));
}
if (!fields || (fields & WHO_FIELD_HOS))
{
- Reg3 char *p2 = acptr->user->host;
+ char *p2 = cli_user(acptr)->host;
*(p1++) = ' ';
while ((*p2) && (*(p1++) = *(p2++)));
}
if (!fields || (fields & WHO_FIELD_SER))
{
- Reg3 char *p2 = acptr->user->server->name;
+ const char *p2 = (feature_bool(FEAT_HIS_WHO_SERVERNAME) && !IsAnOper(sptr)) ?
+ feature_str(FEAT_HIS_SERVERNAME) :
+ cli_name(cli_user(acptr)->server);
*(p1++) = ' ';
while ((*p2) && (*(p1++) = *(p2++)));
}
if (!fields || (fields & WHO_FIELD_NIC))
{
- Reg3 char *p2 = acptr->name;
+ char *p2 = cli_name(acptr);
*(p1++) = ' ';
while ((*p2) && (*(p1++) = *(p2++)));
}
if (!fields || (fields & WHO_FIELD_FLA))
{
*(p1++) = ' ';
- if (acptr->user->away)
+ if (cli_user(acptr)->away)
*(p1++) = 'G';
else
*(p1++) = 'H';
- if (IsAnOper(acptr))
+ if SeeOper(sptr,acptr)
*(p1++) = '*';
- if (chptr && is_chan_op(acptr, chptr))
- *(p1++) = '@';
- else if (chptr && has_voice(acptr, chptr))
- *(p1++) = '+';
- else if (chptr && is_zombie(acptr, chptr))
- *(p1++) = '!';
+ if (!chan) {
+ /* No flags possible for the channel, so skip them all. */
+ }
+ else if (fields) {
+ /* If you specified flags then we assume you know how to parse
+ * multiple channel status flags, as this is currently the only
+ * way to know if someone has @'s *and* is +'d.
+ */
+ if (IsChanOp(chan))
+ *(p1++) = '@';
+ if (HasVoice(chan))
+ *(p1++) = '+';
+ if (IsZombie(chan))
+ *(p1++) = '!';
+ if (IsDelayedJoin(chan))
+ *(p1++) = '<';
+ }
+ else {
+ if (IsChanOp(chan))
+ *(p1++) = '@';
+ else if (HasVoice(chan))
+ *(p1++) = '+';
+ else if (IsZombie(chan))
+ *(p1++) = '!';
+ else if (IsDelayedJoin(chan))
+ *(p1++) = '<';
+ }
if (IsDeaf(acptr))
*(p1++) = 'd';
if (IsAnOper(sptr))
{
if (IsInvisible(acptr))
- *(p1++) = 'i';
+ *(p1++) = 'i';
if (SendWallops(acptr))
- *(p1++) = 'w';
+ *(p1++) = 'w';
if (SendDebug(acptr))
- *(p1++) = 'g';
+ *(p1++) = 'g';
}
+ if (HasHiddenHost(acptr))
+ *(p1++) = 'x';
}
if (!fields || (fields & WHO_FIELD_DIS))
{
*p1++ = ' ';
if (!fields)
- *p1++ = ':'; /* Place colon here for default reply */
- p1 = sprintf_irc(p1, "%d", acptr->hopcount);
+ *p1++ = ':'; /* Place colon here for default reply */
+ if (feature_bool(FEAT_HIS_WHO_HOPCOUNT) && !IsAnOper(sptr))
+ *p1++ = (sptr == acptr) ? '0' : '3';
+ else
+ /* three digit hopcount maximum */
+ p1 += ircd_snprintf(0, p1, 3, "%d", cli_hopcount(acptr));
}
- if (!fields || (fields & WHO_FIELD_REN))
+ if (fields & WHO_FIELD_IDL)
{
- Reg3 char *p2 = acptr->info;
*p1++ = ' ';
- if (fields)
- *p1++ = ':'; /* Place colon here for special reply */
- while ((*p2) && (*(p1++) = *(p2++)));
- }
-
- /* The first char will always be an useless blank and we
- need to terminate buf1 */
- *p1 = '\0';
- p1 = buf1;
- sendto_one(sptr, rpl_str(fields ? RPL_WHOSPCRPL : RPL_WHOREPLY),
- me.name, sptr->name, ++p1);
-}
-
-/*
- * m_who
- *
- * parv[0] = sender prefix
- * parv[1] = nickname mask list
- * parv[2] = additional selection flag, only 'o' for now.
- * and %flags to specify what fields to output
- * plus a ,querytype if the t flag is specified
- * so the final thing will be like o%tnchu,777
- * parv[3] = _optional_ parameter that overrides parv[1]
- * This can be used as "/quote who foo % :The Black Hacker
- * to find me, parv[3] _can_ contain spaces !.
- */
-
-int m_who(aClient *UNUSED(cptr), aClient *sptr, int parc, char *parv[])
-{
- Reg1 char *mask; /* The mask we are looking for */
- Reg2 char ch; /* Scratch char register */
- Reg3 Link *lp, *lp2;
- Reg4 aChannel *chptr; /* Channel to show */
- Reg5 aClient *acptr; /* Client to show */
-
- int bitsel; /* Mask of selectors to apply */
- int matchsel; /* Wich fields the match should apply on */
- int counter; /* Query size counter,
- initially used to count fields */
- int commas; /* Does our mask contain any comma ?
- If so is a list.. */
- int fields; /* Mask of fields to show */
- int isthere = 0; /* When this set the user is member of chptr */
- char *nick; /* Single element extracted from
- the mask list */
- char *p; /* Scratch char pointer */
- char *qrt; /* Pointer to the query type */
- static char mymask[512]; /* To save the mask before corrupting it */
-
- /* Let's find where is our mask, and if actually contains something */
- mask = ((parc > 1) ? parv[1] : NULL);
- if (parc > 3 && parv[3])
- mask = parv[3];
- if (mask && ((mask[0] == '\0') ||
- (mask[1] == '\0' && ((mask[0] == '0') || (mask[0] == '*')))))
- mask = NULL;
-
- /* Evaluate the flags now, we consider the second parameter
- as "matchFlags%fieldsToInclude,querytype" */
- bitsel = fields = counter = matchsel = 0;
- qrt = NULL;
- if (parc > 2 && parv[2] && *parv[2])
- {
- p = parv[2];
- while (((ch = *(p++))) && (ch != '%') && (ch != ','))
- switch (ch)
- {
- case 'o':
- case 'O':
- bitsel |= WHOSELECT_OPER;
- continue;
- case 'x':
- case 'X':
- bitsel |= WHOSELECT_EXTRA;
-#ifdef WPATH
- if (IsAnOper(sptr))
- write_log(WPATH, "# " TIME_T_FMT " %s!%s@%s WHO %s %s\n",
- now, sptr->name, sptr->user->username, sptr->user->host,
- (BadPtr(parv[3]) ? parv[1] : parv[3]), parv[2]);
-#endif /* WPATH */
- continue;
- case 'n':
- case 'N':
- matchsel |= WHO_FIELD_NIC;
- continue;
- case 'u':
- case 'U':
- matchsel |= WHO_FIELD_UID;
- continue;
- case 'h':
- case 'H':
- matchsel |= WHO_FIELD_HOS;
- continue;
- case 'i':
- case 'I':
- matchsel |= WHO_FIELD_NIP;
- continue;
- case 's':
- case 'S':
- matchsel |= WHO_FIELD_SER;
- continue;
- case 'r':
- case 'R':
- matchsel |= WHO_FIELD_REN;
- continue;
- }
- if (ch == '%')
- while ((ch = *p++) && (ch != ','))
- {
- counter++;
- switch (ch)
- {
- case 'c':
- case 'C':
- fields |= WHO_FIELD_CHA;
- break;
- case 'd':
- case 'D':
- fields |= WHO_FIELD_DIS;
- break;
- case 'f':
- case 'F':
- fields |= WHO_FIELD_FLA;
- break;
- case 'h':
- case 'H':
- fields |= WHO_FIELD_HOS;
- break;
- case 'i':
- case 'I':
- fields |= WHO_FIELD_NIP;
- break;
- case 'n':
- case 'N':
- fields |= WHO_FIELD_NIC;
- break;
- case 'r':
- case 'R':
- fields |= WHO_FIELD_REN;
- break;
- case 's':
- case 'S':
- fields |= WHO_FIELD_SER;
- break;
- case 't':
- case 'T':
- fields |= WHO_FIELD_QTY;
- break;
- case 'u':
- case 'U':
- fields |= WHO_FIELD_UID;
- break;
- default:
- break;
- }
- };
- if (ch)
- qrt = p;
+ if (MyUser(acptr) &&
+ (IsAnOper(sptr) || !feature_bool(FEAT_HIS_WHO_SERVERNAME) ||
+ acptr == sptr))
+ p1 += ircd_snprintf(0, p1, 11, "%d",
+ CurrentTime - cli_user(acptr)->last);
+ else
+ *p1++ = '0';
}
- if (!matchsel)
- matchsel = WHO_FIELD_DEF;
- if (!fields)
- counter = 7;
-
- if (qrt && (fields & WHO_FIELD_QTY))
+ if (fields & WHO_FIELD_ACC)
{
- p = qrt;
- if (!((*p > '9') || (*p < '0')))
- p++;
- if (!((*p > '9') || (*p < '0')))
- p++;
- if (!((*p > '9') || (*p < '0')))
- p++;
- *p = '\0';
+ char *p2 = cli_user(acptr)->account;
+ *(p1++) = ' ';
+ if (*p2)
+ while ((*p2) && (*(p1++) = *(p2++)));
+ else
+ *(p1++) = '0';
}
- else
- qrt = NULL;
-
- /* I'd love to add also a check on the number of matches fields per time */
- counter = (2048 / (counter + 4));
- if (mask && (strlen(mask) > 510))
- mask[510] = '\0';
- move_marker();
- commas = (mask && strchr(mask, ','));
- /* First treat mask as a list of plain nicks/channels */
- if (mask)
+ if (fields & WHO_FIELD_OPL)
{
- strcpy(mymask, mask);
- for (p = NULL, nick = strtoken(&p, mymask, ","); nick;
- nick = strtoken(&p, NULL, ","))
- {
- if (IsChannelName(nick) && (chptr = FindChannel(nick)))
+ if (!chan || !IsChanOp(chan))
{
- isthere = (IsMember(sptr, chptr) != NULL);
- if (isthere || SEE_CHANNEL(sptr, chptr, bitsel))
- {
- for (lp = chptr->members; lp; lp = lp->next)
- {
- acptr = lp->value.cptr;
- if ((bitsel & WHOSELECT_OPER) && !(IsAnOper(acptr)))
- continue;
- if ((acptr != sptr) && (lp->flags & CHFL_ZOMBIE))
- continue;
- if (!(isthere || (SEE_USER(sptr, acptr, bitsel))))
- continue;
- if (!Process(acptr)) /* This can't be moved before other checks */
- continue;
- if (!(isthere || (SHOW_MORE(sptr, counter))))
- break;
- do_who(sptr, acptr, chptr, fields, qrt);
- }
- }
+ strcpy(p1, " n/a");
+ p1 += 4;
}
else
{
- if ((acptr = FindUser(nick)) &&
- ((!(bitsel & WHOSELECT_OPER)) || IsAnOper(acptr)) &&
- Process(acptr) && SHOW_MORE(sptr, counter))
- {
- do_who(sptr, acptr, NULL, fields, qrt);
- }
+ int vis_level = MAXOPLEVEL;
+ if ((IsGlobalChannel(chan->channel->chname) ? IsOper(sptr) : IsAnOper(sptr))
+ || is_chan_op(sptr, chan->channel))
+ vis_level = OpLevel(chan);
+ p1 += ircd_snprintf(0, p1, 5, " %d", vis_level);
}
- }
}
- /* If we didn't have any comma in the mask treat it as a
- real mask and try to match all relevant fields */
- if (!(commas || (counter < 1)))
+ if (!fields || (fields & WHO_FIELD_REN))
{
- int minlen, cset;
- static struct in_mask imask;
- if (mask)
- {
- matchcomp(mymask, &minlen, &cset, mask);
- if (matchcompIP(&imask, mask))
- matchsel &= ~WHO_FIELD_NIP;
- if ((minlen > NICKLEN) || !(cset & NTL_IRCNK))
- matchsel &= ~WHO_FIELD_NIC;
- if ((matchsel & WHO_FIELD_SER) &&
- ((minlen > HOSTLEN) || (!(cset & NTL_IRCHN))
- || (!markMatchexServer(mymask, minlen))))
- matchsel &= ~WHO_FIELD_SER;
- if ((minlen > USERLEN) || !(cset & NTL_IRCUI))
- matchsel &= ~WHO_FIELD_UID;
- if ((minlen > HOSTLEN) || !(cset & NTL_IRCHN))
- matchsel &= ~WHO_FIELD_HOS;
- }
-
- /* First of all loop through the clients in common channels */
- if ((!(counter < 1)) && matchsel)
- for (lp = sptr->user->channel; lp; lp = lp->next)
- for (chptr = lp->value.chptr, lp2 = chptr->members; lp2;
- lp2 = lp2->next)
- {
- acptr = lp2->value.cptr;
- if (!(IsUser(acptr) && Process(acptr)))
- continue; /* Now Process() is at the beginning, if we fail
- we'll never have to show this acptr in this query */
- if ((bitsel & WHOSELECT_OPER) && !IsAnOper(acptr))
- continue;
- if ((mask) &&
- ((!(matchsel & WHO_FIELD_NIC))
- || matchexec(acptr->name, mymask, minlen))
- && ((!(matchsel & WHO_FIELD_UID))
- || matchexec(acptr->user->username, mymask, minlen))
- && ((!(matchsel & WHO_FIELD_SER))
- || (!(acptr->user->server->flags & FLAGS_MAP)))
- && ((!(matchsel & WHO_FIELD_HOS))
- || matchexec(acptr->user->host, mymask, minlen))
- && ((!(matchsel & WHO_FIELD_REN))
- || matchexec(acptr->info, mymask, minlen))
- && ((!(matchsel & WHO_FIELD_NIP))
- || ((((acptr->ip.s_addr & imask.mask.s_addr) !=
- imask.bits.s_addr)) || (imask.fall
- && matchexec(inet_ntoa(acptr->ip), mymask, minlen)))))
- continue;
- if (!SHOW_MORE(sptr, counter))
- break;
- do_who(sptr, acptr, chptr, fields, qrt);
- }
-
- /* Loop through all clients :-\, if we still have something to match to
- and we can show more clients */
- if ((!(counter < 1)) && matchsel)
- for (acptr = me.prev; acptr; acptr = acptr->prev)
- {
- if (!(IsUser(acptr) && Process(acptr)))
- continue;
- if ((bitsel & WHOSELECT_OPER) && !IsAnOper(acptr))
- continue;
- if (!(SEE_USER(sptr, acptr, bitsel)))
- continue;
- if ((mask) &&
- ((!(matchsel & WHO_FIELD_NIC))
- || matchexec(acptr->name, mymask, minlen))
- && ((!(matchsel & WHO_FIELD_UID))
- || matchexec(acptr->user->username, mymask, minlen))
- && ((!(matchsel & WHO_FIELD_SER))
- || (!(acptr->user->server->flags & FLAGS_MAP)))
- && ((!(matchsel & WHO_FIELD_HOS))
- || matchexec(acptr->user->host, mymask, minlen))
- && ((!(matchsel & WHO_FIELD_REN))
- || matchexec(acptr->info, mymask, minlen))
- && ((!(matchsel & WHO_FIELD_NIP))
- || ((((acptr->ip.s_addr & imask.mask.s_addr) != imask.bits.s_addr))
- || (imask.fall
- && matchexec(inet_ntoa(acptr->ip), mymask, minlen)))))
- continue;
- if (!SHOW_MORE(sptr, counter))
- break;
- do_who(sptr, acptr, NULL, fields, qrt);
- }
+ char *p2 = cli_info(acptr);
+ *p1++ = ' ';
+ if (fields)
+ *p1++ = ':'; /* Place colon here for special reply */
+ while ((*p2) && (*(p1++) = *(p2++)));
}
- /* Make a clean mask suitable to be sent in the "end of" */
- if (mask && (p = strchr(mask, ' ')))
- *p = '\0';
- sendto_one(sptr, rpl_str(RPL_ENDOFWHO),
- me.name, parv[0], BadPtr(mask) ? "*" : mask);
-
- /* Notify the user if we decided that his query was too long */
- if (counter < 0)
- sendto_one(sptr, err_str(ERR_QUERYTOOLONG), me.name, parv[0], "WHO");
-
- return 0;
+ /* The first char will always be an useless blank and we
+ need to terminate buf1 */
+ *p1 = '\0';
+ p1 = buf1;
+ send_reply(sptr, fields ? RPL_WHOSPCRPL : RPL_WHOREPLY, ++p1);
}
-#define MAX_WHOIS_LINES 50
-
-/*
- * m_whois
- *
- * parv[0] = sender prefix
- * parv[1] = nickname masklist
- *
- * or
- *
- * parv[1] = target server
- * parv[2] = nickname masklist
+/** Count number of users who match \a mask.
+ * @param[in] mask user\@host or user\@ip mask to check.
+ * @return Count of matching users.
*/
-int m_whois(aClient *cptr, aClient *sptr, int parc, char *parv[])
+int
+count_users(char *mask)
{
- Reg2 Link *lp;
- Reg3 anUser *user;
- aClient *acptr, *a2cptr;
- aChannel *chptr;
- char *nick, *tmp, *name;
- char *p = NULL;
- int found, len, mlen, total;
- static char buf[512];
-
- if (parc < 2)
- {
- sendto_one(sptr, err_str(ERR_NONICKNAMEGIVEN), me.name, parv[0]);
- return 0;
- }
-
- if (parc > 2)
- {
- aClient *acptr;
- /* For convenience: Accept a nickname as first parameter, by replacing
- it with the correct servername - as is needed by hunt_server() */
- if (MyUser(sptr) && (acptr = FindUser(parv[1])))
- parv[1] = acptr->user->server->name;
- if (hunt_server(0, cptr, sptr, ":%s WHOIS %s :%s", 1, parc, parv) !=
- HUNTED_ISME)
- return 0;
- parv[1] = parv[2];
- }
-
- total = 0;
- for (tmp = parv[1]; (nick = strtoken(&p, tmp, ",")); tmp = NULL)
- {
- int invis, showperson, member, wilds;
-
- found = 0;
- collapse(nick);
- wilds = (strchr(nick, '?') || strchr(nick, '*'));
- /* Do a hash lookup if the nick does not contain wilds */
- if (wilds)
- {
- /*
- * We're no longer allowing remote users to generate requests with wildcards.
- */
- if (!MyConnect(sptr))
- continue;
- for (acptr = client; (acptr = next_client(acptr, nick));
- acptr = acptr->next)
- {
- if (!IsRegistered(acptr) || IsServer(acptr) || IsPing(acptr))
- continue;
- /*
- * I'm always last :-) and acptr->next == NULL!!
- */
- if (IsMe(acptr))
- break;
- /*
- * 'Rules' established for sending a WHOIS reply:
- *
- * - if wildcards are being used dont send a reply if
- * the querier isnt any common channels and the
- * client in question is invisible and wildcards are
- * in use (allow exact matches only);
- *
- * - only send replies about common or public channels
- * the target user(s) are on;
- */
- user = acptr->user;
- name = (!*acptr->name) ? "?" : acptr->name;
-
- invis = acptr != sptr && IsInvisible(acptr);
- member = (user && user->channel) ? 1 : 0;
- showperson = (wilds && !invis && !member) || !wilds;
- if (user)
- for (lp = user->channel; lp; lp = lp->next)
- {
- chptr = lp->value.chptr;
- member = IsMember(sptr, chptr) ? 1 : 0;
- if (invis && !member)
- continue;
- if (is_zombie(acptr, chptr))
- continue;
- if (member || (!invis && PubChannel(chptr)))
- {
- showperson = 1;
- break;
- }
- if (!invis && HiddenChannel(chptr) && !SecretChannel(chptr))
- showperson = 1;
- }
- if (!showperson)
- continue;
-
- if (user)
- {
- a2cptr = user->server;
- sendto_one(sptr, rpl_str(RPL_WHOISUSER), me.name,
- parv[0], name, user->username, user->host, acptr->info);
- }
- else
- {
- a2cptr = &me;
- sendto_one(sptr, rpl_str(RPL_WHOISUSER), me.name,
- parv[0], name, "<unknown>", "<unknown>", "<unknown>");
- }
-
- found = 1;
-
- exact_match:
- if (user && !IsChannelService(acptr))
- {
- mlen = strlen(me.name) + strlen(parv[0]) + 12 + strlen(name);
- for (len = 0, *buf = '\0', lp = user->channel; lp; lp = lp->next)
- {
- chptr = lp->value.chptr;
- if (ShowChannel(sptr, chptr) &&
- (acptr == sptr || !is_zombie(acptr, chptr)))
- {
- if (len + strlen(chptr->chname) + mlen > BUFSIZE - 5)
- {
- sendto_one(sptr, ":%s %d %s %s :%s",
- me.name, RPL_WHOISCHANNELS, parv[0], name, buf);
- *buf = '\0';
- len = 0;
- }
- if (IsDeaf(acptr))
- *(buf + len++) = '-';
- if (is_chan_op(acptr, chptr))
- *(buf + len++) = '@';
- else if (has_voice(acptr, chptr))
- *(buf + len++) = '+';
- else if (is_zombie(acptr, chptr))
- *(buf + len++) = '!';
- if (len)
- *(buf + len) = '\0';
- strcpy(buf + len, chptr->chname);
- len += strlen(chptr->chname);
- strcat(buf + len, " ");
- len++;
- }
- }
- if (buf[0] != '\0')
- sendto_one(sptr, rpl_str(RPL_WHOISCHANNELS),
- me.name, parv[0], name, buf);
- }
-
- sendto_one(sptr, rpl_str(RPL_WHOISSERVER), me.name,
- parv[0], name, a2cptr->name, a2cptr->info);
-
- if (user)
- {
- if (user->away)
- sendto_one(sptr, rpl_str(RPL_AWAY), me.name,
- parv[0], name, user->away);
-
- if (IsAnOper(acptr))
- sendto_one(sptr, rpl_str(RPL_WHOISOPERATOR),
- me.name, parv[0], name);
-
- if (MyConnect(acptr))
- sendto_one(sptr, rpl_str(RPL_WHOISIDLE), me.name,
- parv[0], name, now - user->last, acptr->firsttime);
- }
- if (found == 2 || total++ >= MAX_WHOIS_LINES)
- break;
- }
- }
- else
- {
- /* No wildcards */
- if ((acptr = FindUser(nick)))
- {
- found = 2; /* Make sure we exit the loop after passing it once */
- user = acptr->user;
- name = (!*acptr->name) ? "?" : acptr->name;
- a2cptr = user->server;
- sendto_one(sptr, rpl_str(RPL_WHOISUSER), me.name,
- parv[0], name, user->username, user->host, acptr->info);
- goto exact_match;
- }
- }
- if (!found)
- sendto_one(sptr, err_str(ERR_NOSUCHNICK), me.name, parv[0], nick);
- if (p)
- p[-1] = ',';
- if (!MyConnect(sptr) || total >= MAX_WHOIS_LINES)
- break;
+ struct Client *acptr;
+ int count = 0;
+ char namebuf[USERLEN + HOSTLEN + 2];
+ char ipbuf[USERLEN + SOCKIPLEN + 2];
+
+ for (acptr = GlobalClientList; acptr; acptr = cli_next(acptr)) {
+ if (!IsUser(acptr))
+ continue;
+
+ ircd_snprintf(0, namebuf, sizeof(namebuf), "%s@%s",
+ cli_user(acptr)->username, cli_user(acptr)->host);
+ ircd_snprintf(0, ipbuf, sizeof(ipbuf), "%s@%s", cli_user(acptr)->username,
+ ircd_ntoa(&cli_ip(acptr)));
+
+ if (!match(mask, namebuf) || !match(mask, ipbuf))
+ count++;
}
- sendto_one(sptr, rpl_str(RPL_ENDOFWHOIS), me.name, parv[0], parv[1]);
- return 0;
+ return count;
}