2 * IRC - Internet Relay Chat, ircd/s_user.c (formerly ircd/s_msg.c)
3 * Copyright (C) 1990 Jarkko Oikarinen and
4 * University of Oulu, Computing Center
6 * See file AUTHORS in IRC package for additional names of
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 1, or (at your option)
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
32 #include "ircd_chattr.h"
33 #include "ircd_features.h"
34 #include "ircd_reply.h"
35 #include "ircd_snprintf.h"
36 #include "ircd_string.h"
41 #include "querycmds.h"
55 #include <arpa/inet.h> /* inet_ntoa */
64 * The function that actually prints out the WHO reply for a client found
66 void do_who(struct Client* sptr, struct Client* acptr, struct Channel* repchan,
67 int fields, char* qrt)
70 struct Channel *chptr = repchan;
72 static char buf1[512];
73 /* NOTE: with current fields list and sizes this _cannot_ overrun,
74 and also the message finally sent shouldn't ever be truncated */
79 /* If we don't have a channel and we need one... try to find it,
80 unless the listing is for a channel service, we already know
81 that there are no common channels, thus use PubChannel and not
83 if (!chptr && (!fields || (fields & (WHO_FIELD_CHA | WHO_FIELD_FLA))) &&
84 !IsChannelService(acptr))
86 struct Membership* chan;
87 for (chan = cli_user(acptr)->channel; chan && !chptr; chan = chan->next_channel)
88 if (PubChannel(chan->channel) &&
89 (acptr == sptr || !IsZombie(chan)))
90 chptr = chan->channel;
93 /* Place the fields one by one in the buffer and send it
94 note that fields == NULL means "default query" */
96 if (fields & WHO_FIELD_QTY) /* Query type */
102 while ((*qrt) && (*(p1++) = *(qrt++)));
105 if (!fields || (fields & WHO_FIELD_CHA))
109 if ((p2 = (chptr ? chptr->chname : NULL)))
110 while ((*p2) && (*(p1++) = *(p2++)));
115 if (!fields || (fields & WHO_FIELD_UID))
117 char *p2 = cli_user(acptr)->username;
119 while ((*p2) && (*(p1++) = *(p2++)));
122 if (fields & WHO_FIELD_NIP)
124 const char* p2 = HasHiddenHost(acptr) && !IsAnOper(sptr) ?
125 feature_str(FEAT_HIDDEN_IP) :
126 ircd_ntoa(&cli_ip(acptr));
128 while ((*p2) && (*(p1++) = *(p2++)));
131 if (!fields || (fields & WHO_FIELD_HOS))
133 char *p2 = cli_user(acptr)->host;
135 while ((*p2) && (*(p1++) = *(p2++)));
138 if (!fields || (fields & WHO_FIELD_SER))
140 const char *p2 = (feature_bool(FEAT_HIS_WHO_SERVERNAME) && !IsAnOper(sptr)) ?
141 feature_str(FEAT_HIS_SERVERNAME) :
142 cli_name(cli_user(acptr)->server);
144 while ((*p2) && (*(p1++) = *(p2++)));
147 if (!fields || (fields & WHO_FIELD_NIC))
149 char *p2 = cli_name(acptr);
151 while ((*p2) && (*(p1++) = *(p2++)));
154 if (!fields || (fields & WHO_FIELD_FLA))
157 if (cli_user(acptr)->away)
161 if SeeOper(sptr,acptr)
164 /* If you specified flags then we assume you know how to parse
165 * multiple channel status flags, as this is currently the only
166 * way to know if someone has @'s *and* is +'d.
168 if (chptr && is_chan_op(acptr, chptr))
170 if (chptr && has_voice(acptr, chptr))
172 if (chptr && is_zombie(acptr, chptr))
176 if (chptr && is_chan_op(acptr, chptr))
178 else if (chptr && has_voice(acptr, chptr))
180 else if (chptr && is_zombie(acptr, chptr))
187 if (IsInvisible(acptr))
189 if (SendWallops(acptr))
191 if (SendDebug(acptr))
194 if (HasHiddenHost(acptr))
198 if (!fields || (fields & WHO_FIELD_DIS))
202 *p1++ = ':'; /* Place colon here for default reply */
203 if (feature_bool(FEAT_HIS_WHO_HOPCOUNT) && !IsAnOper(sptr))
204 *p1++ = (sptr == acptr) ? '0' : '3';
206 /* three digit hopcount maximum */
207 p1 += ircd_snprintf(0, p1, 3, "%d", cli_hopcount(acptr));
210 if (fields & WHO_FIELD_IDL)
214 (IsAnOper(sptr) || !feature_bool(FEAT_HIS_WHO_SERVERNAME) ||
216 p1 += ircd_snprintf(0, p1, 11, "%d",
217 CurrentTime - cli_user(acptr)->last);
222 if (fields & WHO_FIELD_ACC)
224 char *p2 = cli_user(acptr)->account;
227 while ((*p2) && (*(p1++) = *(p2++)));
232 if (!fields || (fields & WHO_FIELD_REN))
234 char *p2 = cli_info(acptr);
237 *p1++ = ':'; /* Place colon here for special reply */
238 while ((*p2) && (*(p1++) = *(p2++)));
241 /* The first char will always be an useless blank and we
242 need to terminate buf1 */
245 send_reply(sptr, fields ? RPL_WHOSPCRPL : RPL_WHOREPLY, ++p1);
249 count_users(char *mask)
251 struct Client *acptr;
253 char namebuf[USERLEN + HOSTLEN + 2];
254 char ipbuf[USERLEN + 16 + 2];
256 for (acptr = GlobalClientList; acptr; acptr = cli_next(acptr)) {
260 ircd_snprintf(0, namebuf, sizeof(namebuf), "%s@%s",
261 cli_user(acptr)->username, cli_user(acptr)->host);
262 ircd_snprintf(0, ipbuf, sizeof(ipbuf), "%s@%s", cli_user(acptr)->username,
263 ircd_ntoa(&cli_ip(acptr)));
265 if (!match(mask, namebuf) || !match(mask, ipbuf))