| 1 |
/* |
| 2 |
* ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd) |
| 3 |
* |
| 4 |
* Copyright (c) 1997-2022 ircd-hybrid development team |
| 5 |
* Copyright (c) 1997-1999 Andrea "Nemesi" Cocito |
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* |
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* This program is free software; you can redistribute it and/or modify |
| 8 |
* it under the terms of the GNU General Public License as published by |
| 9 |
* the Free Software Foundation; either version 2 of the License, or |
| 10 |
* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
| 13 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 |
* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
| 18 |
* along with this program; if not, write to the Free Software |
| 19 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 |
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* USA |
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*/ |
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|
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/*! \file m_who.c |
| 24 |
* \brief Includes required functions for processing the WHO command. |
| 25 |
* \version $Id$ |
| 26 |
*/ |
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|
| 28 |
#include "stdinc.h" |
| 29 |
#include "list.h" |
| 30 |
#include "client.h" |
| 31 |
#include "channel.h" |
| 32 |
#include "channel_mode.h" |
| 33 |
#include "hash.h" |
| 34 |
#include "ircd.h" |
| 35 |
#include "isupport.h" |
| 36 |
#include "numeric.h" |
| 37 |
#include "send.h" |
| 38 |
#include "irc_string.h" |
| 39 |
#include "conf.h" |
| 40 |
#include "parse.h" |
| 41 |
#include "modules.h" |
| 42 |
#include "hostmask.h" |
| 43 |
|
| 44 |
|
| 45 |
/** Maximum number of lines to send in response to a /WHO. */ |
| 46 |
enum { WHO_MAX_REPLIES = 500 }; |
| 47 |
|
| 48 |
enum |
| 49 |
{ |
| 50 |
WHOSELECT_OPER = 1 << 0, /**< Flag for /WHO: Show IRC operators. */ |
| 51 |
WHOSELECT_EXTRA = 1 << 1, /**< Flag for /WHO: Pull rank to see users. */ |
| 52 |
WHOSELECT_DELAY = 1 << 2, /**< Flag for /WHO: Show join-delayed users. */ |
| 53 |
}; |
| 54 |
|
| 55 |
enum |
| 56 |
{ |
| 57 |
WHO_FIELD_QTO = 1 << 0, /**< Display query token. */ |
| 58 |
WHO_FIELD_CHA = 1 << 1, /**< Show common channel name. */ |
| 59 |
WHO_FIELD_UID = 1 << 2, /**< Show username. */ |
| 60 |
WHO_FIELD_NIP = 1 << 3, /**< Show IP address. */ |
| 61 |
WHO_FIELD_HOS = 1 << 4, /**< Show hostname. */ |
| 62 |
WHO_FIELD_SER = 1 << 5, /**< Show server. */ |
| 63 |
WHO_FIELD_NIC = 1 << 6, /**< Show nickname. */ |
| 64 |
WHO_FIELD_FLA = 1 << 7, /**< Show flags (away, oper, chanop, etc). */ |
| 65 |
WHO_FIELD_DIS = 1 << 8, /**< Show hop count (distance). */ |
| 66 |
WHO_FIELD_REN = 1 << 9, /**< Show realname (info). */ |
| 67 |
WHO_FIELD_IDL = 1 << 10, /**< Show idle time. */ |
| 68 |
WHO_FIELD_ACC = 1 << 11, /**< Show account name. */ |
| 69 |
WHO_FIELD_OPL = 1 << 12, /**< Show oplevel. */ |
| 70 |
/** Default fields for /WHO */ |
| 71 |
WHO_FIELD_DEF = WHO_FIELD_NIC | WHO_FIELD_UID | WHO_FIELD_HOS | WHO_FIELD_SER, |
| 72 |
}; |
| 73 |
|
| 74 |
struct WhoQuery |
| 75 |
{ |
| 76 |
unsigned int bitsel; /**< User mode matching flags */ |
| 77 |
unsigned int matchsel; /**< Field matching flags */ |
| 78 |
unsigned int fields; /**< Fields to be shown in the output */ |
| 79 |
unsigned int maxmatches; /**< Maximum number of replies to be sent */ |
| 80 |
const char *token; /**< User-defined query token */ |
| 81 |
}; |
| 82 |
|
| 83 |
|
| 84 |
/*! \brief Send a WHO reply to a client who asked. |
| 85 |
* \param source_p Pointer to client requesting who. |
| 86 |
* \param target_p Client who is shown to \a source_p. |
| 87 |
* \param member ChannelMember pointer of a shared channel that provides visibility. |
| 88 |
* \param who Pointer to struct WhoQuery item that defines the options for this query. |
| 89 |
*/ |
| 90 |
static void |
| 91 |
who_send(struct Client *source_p, const struct Client *target_p, |
| 92 |
const struct ChannelMember *member, const struct WhoQuery *who) |
| 93 |
{ |
| 94 |
char buf[IRCD_BUFSIZE]; |
| 95 |
char *p = buf; |
| 96 |
|
| 97 |
/* |
| 98 |
* NOTE: with current fields list and sizes this _cannot_ overrun, |
| 99 |
* and also the message finally sent shouldn't ever be truncated. |
| 100 |
*/ |
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buf[1] = '\0'; |
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|
| 103 |
/* If we don't have a channel and we need one... try to find it. */ |
| 104 |
if (member == NULL) |
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{ |
| 106 |
if (who->fields == 0 || (who->fields & (WHO_FIELD_CHA | WHO_FIELD_FLA))) |
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{ |
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dlink_node *node; |
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DLINK_FOREACH(node, target_p->channel.head) |
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{ |
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member = node->data; |
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|
| 113 |
if (PubChannel(member->channel)) |
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break; |
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member = NULL; |
| 116 |
} |
| 117 |
} |
| 118 |
} |
| 119 |
|
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/* |
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* Place the fields in the buffer and send it. Note that who->fields == 0 |
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* means "default query". |
| 123 |
*/ |
| 124 |
|
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if ((who->fields & WHO_FIELD_QTO)) /* Query token */ |
| 126 |
{ |
| 127 |
if (EmptyString(who->token)) |
| 128 |
p += snprintf(p, sizeof(buf) - (p - buf), " %s", "0"); |
| 129 |
else |
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p += snprintf(p, sizeof(buf) - (p - buf), " %s", who->token); |
| 131 |
} |
| 132 |
|
| 133 |
if (who->fields == 0 || (who->fields & WHO_FIELD_CHA)) |
| 134 |
p += snprintf(p, sizeof(buf) - (p - buf), " %s", member ? member->channel->name : "*"); |
| 135 |
|
| 136 |
if (who->fields == 0 || (who->fields & WHO_FIELD_UID)) |
| 137 |
p += snprintf(p, sizeof(buf) - (p - buf), " %s", target_p->username); |
| 138 |
|
| 139 |
if ((who->fields & WHO_FIELD_NIP)) |
| 140 |
{ |
| 141 |
if (HasUMode(source_p, UMODE_OPER) || source_p == target_p) |
| 142 |
p += snprintf(p, sizeof(buf) - (p - buf), " %s", target_p->sockhost); |
| 143 |
else |
| 144 |
p += snprintf(p, sizeof(buf) - (p - buf), " %s", "255.255.255.255"); |
| 145 |
} |
| 146 |
|
| 147 |
if (who->fields == 0 || (who->fields & WHO_FIELD_HOS)) |
| 148 |
p += snprintf(p, sizeof(buf) - (p - buf), " %s", target_p->host); |
| 149 |
|
| 150 |
if (who->fields == 0 || (who->fields & WHO_FIELD_SER)) |
| 151 |
{ |
| 152 |
if (!HasUMode(source_p, UMODE_OPER) && |
| 153 |
(ConfigServerHide.hide_servers || IsHidden(target_p->servptr))) |
| 154 |
p += snprintf(p, sizeof(buf) - (p - buf), " %s", ConfigServerHide.hidden_name); |
| 155 |
else |
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p += snprintf(p, sizeof(buf) - (p - buf), " %s", target_p->servptr->name); |
| 157 |
} |
| 158 |
|
| 159 |
if (who->fields == 0 || (who->fields & WHO_FIELD_NIC)) |
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p += snprintf(p, sizeof(buf) - (p - buf), " %s", target_p->name); |
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|
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if (who->fields == 0 || (who->fields & WHO_FIELD_FLA)) |
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{ |
| 164 |
char status[16]; |
| 165 |
|
| 166 |
if (HasUMode(source_p, UMODE_OPER)) |
| 167 |
snprintf(status, sizeof(status), "%c%s%s%s%s%s", target_p->away[0] ? 'G' : 'H', |
| 168 |
HasUMode(target_p, UMODE_BOT) ? "B" : "", |
| 169 |
HasUMode(target_p, UMODE_SECURE) ? "S" : "", |
| 170 |
HasUMode(target_p, UMODE_REGISTERED) ? "r" : "", |
| 171 |
HasUMode(target_p, UMODE_OPER) ? "*" : "", |
| 172 |
member ? member_get_prefix(member, who->fields || !!HasCap(source_p, CAP_MULTI_PREFIX)) : ""); |
| 173 |
|
| 174 |
else |
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snprintf(status, sizeof(status), "%c%s%s%s%s%s", target_p->away[0] ? 'G' : 'H', |
| 176 |
HasUMode(target_p, UMODE_BOT) ? "B" : "", |
| 177 |
HasUMode(target_p, UMODE_SECURE) ? "S" : "", |
| 178 |
HasUMode(target_p, UMODE_REGISTERED) ? "r" : "", |
| 179 |
HasUMode(target_p, UMODE_OPER) && |
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!HasUMode(target_p, UMODE_HIDDEN) ? "*" : "", |
| 181 |
member ? member_get_prefix(member, who->fields || !!HasCap(source_p, CAP_MULTI_PREFIX)) : ""); |
| 182 |
p += snprintf(p, sizeof(buf) - (p - buf), " %s", status); |
| 183 |
} |
| 184 |
|
| 185 |
if (who->fields == 0 || (who->fields & WHO_FIELD_DIS)) |
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{ |
| 187 |
if (!HasUMode(source_p, UMODE_OPER) && |
| 188 |
(ConfigServerHide.hide_servers || IsHidden(target_p->servptr))) |
| 189 |
p += snprintf(p, sizeof(buf) - (p - buf), " %s%u", who->fields == 0 ? ":" : "", 0); |
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else |
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p += snprintf(p, sizeof(buf) - (p - buf), " %s%u", who->fields == 0 ? ":" : "", target_p->hopcount); |
| 192 |
} |
| 193 |
|
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if ((who->fields & WHO_FIELD_IDL)) |
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{ |
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if (MyClient(target_p) && |
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(HasUMode(source_p, UMODE_OPER) || target_p == source_p)) |
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p += snprintf(p, sizeof(buf) - (p - buf), " %u", client_get_idle_time(source_p, target_p)); |
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else |
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p += snprintf(p, sizeof(buf) - (p - buf), " %u", 0); |
| 201 |
} |
| 202 |
|
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if ((who->fields & WHO_FIELD_ACC)) |
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{ |
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if (strcmp(target_p->account, "*")) |
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p += snprintf(p, sizeof(buf) - (p - buf), " %s", target_p->account); |
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else |
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p += snprintf(p, sizeof(buf) - (p - buf), " %s", "0"); |
| 209 |
} |
| 210 |
|
| 211 |
if ((who->fields & WHO_FIELD_OPL)) |
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p += snprintf(p, sizeof(buf) - (p - buf), " %s", "n/a"); |
| 213 |
|
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if (who->fields == 0 || (who->fields & WHO_FIELD_REN)) |
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p += snprintf(p, sizeof(buf) - (p - buf), " %s%s", who->fields ? ":" : "", target_p->info); |
| 216 |
/* Place colon here for special reply ^ */ |
| 217 |
|
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sendto_one_numeric(source_p, &me, who->fields ? RPL_WHOSPCRPL : RPL_WHOREPLY, buf + 1); |
| 219 |
} |
| 220 |
|
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/*! |
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* \param source_p Pointer to client requesting who. |
| 223 |
* \param target_p Pointer to client to do who on. |
| 224 |
* \param mask Mask to match. |
| 225 |
* \param who Pointer to struct WhoQuery item that defines the options for this query. |
| 226 |
* \return true if mask matches, false otherwise. |
| 227 |
*/ |
| 228 |
static bool |
| 229 |
who_matches(struct Client *source_p, const struct Client *target_p, |
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const char *mask, const struct WhoQuery *who) |
| 231 |
{ |
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if ((who->bitsel & WHOSELECT_OPER)) |
| 233 |
if (!HasUMode(target_p, UMODE_OPER) || |
| 234 |
(HasUMode(target_p, UMODE_HIDDEN) && !HasUMode(source_p, UMODE_OPER))) |
| 235 |
return false; |
| 236 |
|
| 237 |
if (mask == NULL) |
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return true; |
| 239 |
|
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if ((who->matchsel & WHO_FIELD_NIC) && match(mask, target_p->name) == 0) |
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return true; |
| 242 |
|
| 243 |
if ((who->matchsel & WHO_FIELD_UID) && match(mask, target_p->username) == 0) |
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return true; |
| 245 |
|
| 246 |
if ((who->matchsel & WHO_FIELD_HOS)) |
| 247 |
{ |
| 248 |
if (match(mask, target_p->host) == 0) |
| 249 |
return true; |
| 250 |
else if (HasUMode(source_p, UMODE_OPER) && match(mask, target_p->realhost) == 0) |
| 251 |
return true; |
| 252 |
} |
| 253 |
|
| 254 |
if ((who->matchsel & WHO_FIELD_REN) && match(mask, target_p->info) == 0) |
| 255 |
return true; |
| 256 |
|
| 257 |
if ((who->matchsel & WHO_FIELD_ACC) && match(mask, target_p->account) == 0) |
| 258 |
return true; |
| 259 |
|
| 260 |
if ((who->matchsel & WHO_FIELD_NIP) && HasUMode(source_p, UMODE_OPER)) |
| 261 |
{ |
| 262 |
struct irc_ssaddr addr; |
| 263 |
int bits = 0; |
| 264 |
const int ret = parse_netmask(mask, &addr, &bits); |
| 265 |
|
| 266 |
if (ret == HM_IPV4 || ret == HM_IPV6) |
| 267 |
if (address_compare(&target_p->ip, &addr, false, false, bits) == true) |
| 268 |
return true; |
| 269 |
|
| 270 |
if (match(mask, target_p->sockhost) == 0) |
| 271 |
return true; |
| 272 |
} |
| 273 |
|
| 274 |
if ((who->matchsel & WHO_FIELD_SER)) |
| 275 |
if (HasUMode(source_p, UMODE_OPER) || |
| 276 |
(ConfigServerHide.hide_servers == 0 && !IsHidden(target_p->servptr))) |
| 277 |
if (match(mask, target_p->servptr->name) == 0) |
| 278 |
return true; |
| 279 |
|
| 280 |
return false; |
| 281 |
} |
| 282 |
|
| 283 |
/*! \brief Lists matching clients on specified channel. Marks matched clients. |
| 284 |
* \param source_p Pointer to client requesting who. |
| 285 |
* \param channel Pointer to channel member chain. |
| 286 |
* \param mask Mask to match. |
| 287 |
* \param who Pointer to struct WhoQuery item that defines the options for this query. |
| 288 |
*/ |
| 289 |
static void |
| 290 |
who_on_common_channel(struct Client *source_p, struct Channel *channel, const char *mask, |
| 291 |
struct WhoQuery *who) |
| 292 |
{ |
| 293 |
dlink_node *node; |
| 294 |
|
| 295 |
DLINK_FOREACH(node, channel->members.head) |
| 296 |
{ |
| 297 |
struct ChannelMember *member = node->data; |
| 298 |
struct Client *target_p = member->client; |
| 299 |
|
| 300 |
if (!HasUMode(target_p, UMODE_INVISIBLE) || HasFlag(target_p, FLAGS_MARK)) |
| 301 |
continue; |
| 302 |
|
| 303 |
AddFlag(target_p, FLAGS_MARK); |
| 304 |
|
| 305 |
if (who->maxmatches) |
| 306 |
{ |
| 307 |
if (who_matches(source_p, target_p, mask, who) == true) |
| 308 |
{ |
| 309 |
who_send(source_p, target_p, member, who); |
| 310 |
--who->maxmatches; |
| 311 |
} |
| 312 |
} |
| 313 |
} |
| 314 |
} |
| 315 |
|
| 316 |
/*! \brief Does a global scan of all clients looking for match. |
| 317 |
* \param source_p Pointer to client requesting who. |
| 318 |
* \param mask Mask to match. |
| 319 |
* \param who Pointer to struct WhoQuery item that defines the options for this query. |
| 320 |
*/ |
| 321 |
static void |
| 322 |
who_global(struct Client *source_p, const char *mask, struct WhoQuery *who) |
| 323 |
{ |
| 324 |
dlink_node *node; |
| 325 |
static uintmax_t last_used = 0; |
| 326 |
|
| 327 |
if (!HasUMode(source_p, UMODE_OPER)) |
| 328 |
{ |
| 329 |
if ((last_used + ConfigGeneral.pace_wait) > event_base->time.sec_monotonic) |
| 330 |
{ |
| 331 |
sendto_one_numeric(source_p, &me, RPL_LOAD2HI, "WHO"); |
| 332 |
return; |
| 333 |
} |
| 334 |
|
| 335 |
last_used = event_base->time.sec_monotonic; |
| 336 |
} |
| 337 |
|
| 338 |
/* First, list all matching invisible clients on common channels */ |
| 339 |
DLINK_FOREACH(node, source_p->channel.head) |
| 340 |
{ |
| 341 |
struct ChannelMember *member = node->data; |
| 342 |
who_on_common_channel(source_p, member->channel, mask, who); |
| 343 |
} |
| 344 |
|
| 345 |
/* Second, list all matching visible clients */ |
| 346 |
DLINK_FOREACH(node, global_client_list.head) |
| 347 |
{ |
| 348 |
struct Client *target_p = node->data; |
| 349 |
|
| 350 |
assert(IsClient(target_p)); |
| 351 |
|
| 352 |
if (HasUMode(target_p, UMODE_INVISIBLE)) |
| 353 |
{ |
| 354 |
DelFlag(target_p, FLAGS_MARK); |
| 355 |
continue; |
| 356 |
} |
| 357 |
|
| 358 |
if (who->maxmatches) |
| 359 |
{ |
| 360 |
if (who_matches(source_p, target_p, mask, who) == true) |
| 361 |
{ |
| 362 |
who_send(source_p, target_p, NULL, who); |
| 363 |
--who->maxmatches; |
| 364 |
} |
| 365 |
} |
| 366 |
} |
| 367 |
} |
| 368 |
|
| 369 |
/*! \brief Does a WHO on given channel. |
| 370 |
* \param source_p Pointer to client requesting who. |
| 371 |
* \param channel Pointer to channel to do who on. |
| 372 |
* \param who Pointer to struct WhoQuery item that defines the options for this query. |
| 373 |
*/ |
| 374 |
static void |
| 375 |
who_on_channel(struct Client *source_p, struct Channel *channel, const struct WhoQuery *who) |
| 376 |
{ |
| 377 |
bool is_member = false; |
| 378 |
|
| 379 |
if (HasUMode(source_p, UMODE_ADMIN) || member_find_link(source_p, channel)) |
| 380 |
is_member = true; |
| 381 |
else if (SecretChannel(channel)) |
| 382 |
return; |
| 383 |
|
| 384 |
dlink_node *node; |
| 385 |
DLINK_FOREACH(node, channel->members.head) |
| 386 |
{ |
| 387 |
struct ChannelMember *member = node->data; |
| 388 |
struct Client *target_p = member->client; |
| 389 |
|
| 390 |
if (is_member == true || !HasUMode(target_p, UMODE_INVISIBLE)) |
| 391 |
{ |
| 392 |
if ((who->bitsel & WHOSELECT_OPER)) |
| 393 |
if (!HasUMode(target_p, UMODE_OPER) || |
| 394 |
(HasUMode(target_p, UMODE_HIDDEN) && !HasUMode(source_p, UMODE_OPER))) |
| 395 |
continue; |
| 396 |
|
| 397 |
who_send(source_p, target_p, member, who); |
| 398 |
} |
| 399 |
} |
| 400 |
} |
| 401 |
|
| 402 |
/*! \brief WHO command handler |
| 403 |
* |
| 404 |
* \param source_p Pointer to allocated Client struct from which the message |
| 405 |
* originally comes from. This can be a local or remote client. |
| 406 |
* \param parc Integer holding the number of supplied arguments. |
| 407 |
* \param parv Argument vector where parv[0] .. parv[parc-1] are non-NULL |
| 408 |
* pointers. |
| 409 |
* \note Valid arguments for this command are: |
| 410 |
* - parv[0] = command |
| 411 |
* - parv[1] = mask |
| 412 |
* - parv[2] = additional selection flag, only 'o' for now. |
| 413 |
* and %flags to specify what fields to output |
| 414 |
* plus a ,querytype if the t flag is specified |
| 415 |
* so the final thing will be like o%tnchu,777 |
| 416 |
*/ |
| 417 |
static void |
| 418 |
m_who(struct Client *source_p, int parc, char *parv[]) |
| 419 |
{ |
| 420 |
char *mask = parv[1]; |
| 421 |
char *options = parv[2]; |
| 422 |
char *token = NULL; |
| 423 |
struct WhoQuery w = { .maxmatches = WHO_MAX_REPLIES }, *who = &w; |
| 424 |
|
| 425 |
if (!EmptyString(options)) |
| 426 |
{ |
| 427 |
char ch; |
| 428 |
char *p = options; |
| 429 |
|
| 430 |
while ((ch = *p++) && (ch != '%') && (ch != ',')) |
| 431 |
{ |
| 432 |
switch (ch) |
| 433 |
{ |
| 434 |
case 'o': |
| 435 |
case 'O': |
| 436 |
who->bitsel |= WHOSELECT_OPER; |
| 437 |
break; |
| 438 |
case 'n': |
| 439 |
case 'N': |
| 440 |
who->matchsel |= WHO_FIELD_NIC; |
| 441 |
break; |
| 442 |
case 'u': |
| 443 |
case 'U': |
| 444 |
who->matchsel |= WHO_FIELD_UID; |
| 445 |
break; |
| 446 |
case 'h': |
| 447 |
case 'H': |
| 448 |
who->matchsel |= WHO_FIELD_HOS; |
| 449 |
break; |
| 450 |
case 'i': |
| 451 |
case 'I': |
| 452 |
who->matchsel |= WHO_FIELD_NIP; |
| 453 |
break; |
| 454 |
case 's': |
| 455 |
case 'S': |
| 456 |
who->matchsel |= WHO_FIELD_SER; |
| 457 |
break; |
| 458 |
case 'r': |
| 459 |
case 'R': |
| 460 |
who->matchsel |= WHO_FIELD_REN; |
| 461 |
break; |
| 462 |
case 'a': |
| 463 |
case 'A': |
| 464 |
who->matchsel |= WHO_FIELD_ACC; |
| 465 |
break; |
| 466 |
} |
| 467 |
} |
| 468 |
|
| 469 |
if (ch == '%') |
| 470 |
{ |
| 471 |
while ((ch = *p++) && (ch != ',')) |
| 472 |
{ |
| 473 |
switch (ch) |
| 474 |
{ |
| 475 |
case 'c': |
| 476 |
case 'C': |
| 477 |
who->fields |= WHO_FIELD_CHA; |
| 478 |
break; |
| 479 |
case 'd': |
| 480 |
case 'D': |
| 481 |
who->fields |= WHO_FIELD_DIS; |
| 482 |
break; |
| 483 |
case 'f': |
| 484 |
case 'F': |
| 485 |
who->fields |= WHO_FIELD_FLA; |
| 486 |
break; |
| 487 |
case 'h': |
| 488 |
case 'H': |
| 489 |
who->fields |= WHO_FIELD_HOS; |
| 490 |
break; |
| 491 |
case 'i': |
| 492 |
case 'I': |
| 493 |
who->fields |= WHO_FIELD_NIP; |
| 494 |
break; |
| 495 |
case 'l': |
| 496 |
case 'L': |
| 497 |
who->fields |= WHO_FIELD_IDL; |
| 498 |
break; |
| 499 |
case 'n': |
| 500 |
case 'N': |
| 501 |
who->fields |= WHO_FIELD_NIC; |
| 502 |
break; |
| 503 |
case 'r': |
| 504 |
case 'R': |
| 505 |
who->fields |= WHO_FIELD_REN; |
| 506 |
break; |
| 507 |
case 's': |
| 508 |
case 'S': |
| 509 |
who->fields |= WHO_FIELD_SER; |
| 510 |
break; |
| 511 |
case 't': |
| 512 |
case 'T': |
| 513 |
who->fields |= WHO_FIELD_QTO; |
| 514 |
break; |
| 515 |
case 'u': |
| 516 |
case 'U': |
| 517 |
who->fields |= WHO_FIELD_UID; |
| 518 |
break; |
| 519 |
case 'a': |
| 520 |
case 'A': |
| 521 |
who->fields |= WHO_FIELD_ACC; |
| 522 |
break; |
| 523 |
case 'o': |
| 524 |
case 'O': |
| 525 |
who->fields |= WHO_FIELD_OPL; |
| 526 |
break; |
| 527 |
} |
| 528 |
} |
| 529 |
} |
| 530 |
|
| 531 |
if (ch) |
| 532 |
token = p; |
| 533 |
|
| 534 |
if (token && (who->fields & WHO_FIELD_QTO)) |
| 535 |
{ |
| 536 |
p = token; |
| 537 |
if (!((*p > '9') || (*p < '0'))) |
| 538 |
p++; |
| 539 |
if (!((*p > '9') || (*p < '0'))) |
| 540 |
p++; |
| 541 |
if (!((*p > '9') || (*p < '0'))) |
| 542 |
p++; |
| 543 |
*p = '\0'; |
| 544 |
} |
| 545 |
else |
| 546 |
token = NULL; |
| 547 |
|
| 548 |
who->token = token; |
| 549 |
} |
| 550 |
|
| 551 |
if (who->matchsel == 0) |
| 552 |
who->matchsel = WHO_FIELD_DEF; |
| 553 |
|
| 554 |
/* '/who #some_channel' */ |
| 555 |
if (IsChanPrefix(*mask)) |
| 556 |
{ |
| 557 |
/* List all users on a given channel */ |
| 558 |
struct Channel *channel = hash_find_channel(mask); |
| 559 |
if (channel) |
| 560 |
who_on_channel(source_p, channel, who); |
| 561 |
|
| 562 |
sendto_one_numeric(source_p, &me, RPL_ENDOFWHO, mask); |
| 563 |
return; |
| 564 |
} |
| 565 |
|
| 566 |
collapse(mask); |
| 567 |
if (strcmp(mask, "0") == 0 || |
| 568 |
strcmp(mask, "*") == 0) |
| 569 |
mask = NULL; |
| 570 |
|
| 571 |
who_global(source_p, mask, who); |
| 572 |
|
| 573 |
if (who->maxmatches == 0) |
| 574 |
sendto_one_numeric(source_p, &me, ERR_WHOLIMEXCEED, WHO_MAX_REPLIES, "WHO"); |
| 575 |
sendto_one_numeric(source_p, &me, RPL_ENDOFWHO, EmptyString(mask) ? "*" : mask); |
| 576 |
} |
| 577 |
|
| 578 |
static struct Message who_msgtab = |
| 579 |
{ |
| 580 |
.cmd = "WHO", |
| 581 |
.handlers[UNREGISTERED_HANDLER] = { .handler = m_unregistered }, |
| 582 |
.handlers[CLIENT_HANDLER] = { .handler = m_who, .args_min = 2 }, |
| 583 |
.handlers[SERVER_HANDLER] = { .handler = m_ignore }, |
| 584 |
.handlers[ENCAP_HANDLER] = { .handler = m_ignore }, |
| 585 |
.handlers[OPER_HANDLER] = { .handler = m_who, .args_min = 2 } |
| 586 |
}; |
| 587 |
|
| 588 |
static void |
| 589 |
module_init(void) |
| 590 |
{ |
| 591 |
mod_add_cmd(&who_msgtab); |
| 592 |
isupport_add("WHOX", NULL, -1); |
| 593 |
} |
| 594 |
|
| 595 |
static void |
| 596 |
module_exit(void) |
| 597 |
{ |
| 598 |
mod_del_cmd(&who_msgtab); |
| 599 |
isupport_delete("WHOX"); |
| 600 |
} |
| 601 |
|
| 602 |
struct module module_entry = |
| 603 |
{ |
| 604 |
.version = "$Revision$", |
| 605 |
.modinit = module_init, |
| 606 |
.modexit = module_exit, |
| 607 |
}; |
