ircu2/ircd/s_stats.c

814 lines
27 KiB
C

/*
* IRC - Internet Relay Chat, ircd/s_stats.c
* Copyright (C) 2000 Joseph Bongaarts
*
* See file AUTHORS in IRC package for additional names of
* the programmers.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 1, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "config.h"
#include "class.h"
#include "client.h"
#include "gline.h"
#include "hash.h"
#include "ircd.h"
#include "ircd_chattr.h"
#include "ircd_events.h"
#include "ircd_features.h"
#include "ircd_crypt.h"
#include "ircd_log.h"
#include "ircd_reply.h"
#include "ircd_string.h"
#include "listener.h"
#include "list.h"
#include "match.h"
#include "motd.h"
#include "msg.h"
#include "msgq.h"
#include "numeric.h"
#include "numnicks.h"
#include "querycmds.h"
#include "res.h"
#include "s_auth.h"
#include "s_bsd.h"
#include "s_conf.h"
#include "s_debug.h"
#include "s_misc.h"
#include "s_serv.h"
#include "s_stats.h"
#include "s_user.h"
#include "send.h"
#include "shun.h"
#include "struct.h"
#include "userload.h"
#include "zline.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/time.h>
/** @file
* @brief Report configuration lines and other statistics from this
* server.
* @version $Id: s_stats.c 1922 2010-01-02 04:00:13Z entrope $
*
* Note: The info is reported in the order the server uses
* it--not reversed as in ircd.conf!
*/
/* The statsinfo array should only be used in this file, but just TRY
* telling the compiler that you want to forward declare a static
* array without specifying a length, and see how it responds. So we
* forward declare it "extern".
*/
extern struct StatDesc statsinfo[];
/** Report items from #GlobalConfList.
* Uses sd->sd_funcdata as a filter for ConfItem::status.
* @param[in] sptr Client requesting statistics.
* @param[in] sd Stats descriptor for request.
* @param[in] param Extra parameter from user (ignored).
*/
static void
stats_configured_links(struct Client *sptr, const struct StatDesc* sd,
char* param)
{
static char null[] = "<NULL>";
struct ConfItem *tmp;
unsigned short int port;
int maximum;
char *host, *name, *username, *hub_limit;
for (tmp = GlobalConfList; tmp; tmp = tmp->next)
{
if ((tmp->status & sd->sd_funcdata))
{
host = BadPtr(tmp->host) ? null : tmp->host;
name = BadPtr(tmp->name) ? null : tmp->name;
username = BadPtr(tmp->username) ? null : tmp->username;
hub_limit = BadPtr(tmp->hub_limit) ? null : tmp->hub_limit;
maximum = tmp->maximum;
port = tmp->address.port;
if (tmp->status & CONF_UWORLD)
send_reply(sptr, RPL_STATSULINE, host);
else if (tmp->status & CONF_SERVER)
send_reply(sptr, RPL_STATSCLINE, name, host, port, maximum, hub_limit, get_conf_class(tmp));
else if (tmp->status & CONF_CLIENT)
send_reply(sptr, RPL_STATSILINE,
(tmp->username ? tmp->username : ""), (tmp->username ? "@" : ""),
(tmp->host ? tmp->host : "*"), maximum,
(name[0] == ':' ? "0" : ""), (tmp->name ? tmp->name : "*"),
port, get_conf_class(tmp));
else if (tmp->status & CONF_OPERATOR)
{
int global = FlagHas(&tmp->privs_dirty, PRIV_PROPAGATE)
? FlagHas(&tmp->privs, PRIV_PROPAGATE)
: FlagHas(&tmp->conn_class->privs, PRIV_PROPAGATE);
send_reply(sptr, RPL_STATSOLINE, global ? 'O' : 'o',
username, host, name, get_conf_class(tmp));
}
}
}
}
/** Report connection rules from conf_get_crule_list().
* Uses sd->sd_funcdata as a filter for CRuleConf::type.
* @param[in] to Client requesting statistics.
* @param[in] sd Stats descriptor for request.
* @param[in] param Extra parameter from user (ignored).
*/
static void
stats_crule_list(struct Client* to, const struct StatDesc *sd,
char *param)
{
const struct CRuleConf* p = conf_get_crule_list();
for ( ; p; p = p->next)
{
if (p->type & sd->sd_funcdata)
send_reply(to, RPL_STATSDLINE, (p->type & CRULE_ALL ? 'D' : 'd'), p->hostmask, p->rule);
}
}
/** Report active event engine name.
* @param[in] to Client requesting statistics.
* @param[in] sd Stats descriptor for request (ignored).
* @param[in] param Extra parameter from user (ignored).
*/
static void
stats_engine(struct Client *to, const struct StatDesc *sd, char *param)
{
send_reply(to, RPL_STATSENGINE, engine_name());
}
/** Report client access lists.
* @param[in] to Client requesting statistics.
* @param[in] sd Stats descriptor for request.
* @param[in] param Filter for hostname or IP (NULL to show all).
*/
static void
stats_access(struct Client *to, const struct StatDesc *sd, char *param)
{
struct ConfItem *aconf;
int wilds = 0;
int count = 1000;
if (!param)
{
stats_configured_links(to, sd, param);
return;
}
wilds = string_has_wildcards(param);
for (aconf = GlobalConfList; aconf; aconf = aconf->next)
{
if (aconf->status != CONF_CLIENT)
continue;
if (wilds ? ((aconf->host && !mmatch(aconf->host, param))
|| (aconf->name && !mmatch(aconf->name, param)))
: ((aconf->host && !match(param, aconf->host))
|| (aconf->name && !match(param, aconf->name))))
{
send_reply(to, RPL_STATSILINE,
(aconf->username ? aconf->username : ""), (aconf->username ? "@" : ""),
(aconf->host ? aconf->host : "*"), aconf->maximum,
(aconf->name && aconf->name[0] == ':' ? "0":""),
aconf->name ? aconf->name : "*",
aconf->address.port, get_conf_class(aconf));
if (--count == 0)
break;
}
}
}
/** Report DenyConf entries.
* @param[in] to Client requesting list.
*/
static void
report_deny_list(struct Client* to)
{
const struct DenyConf* p = conf_get_deny_list();
for ( ; p; p = p->next)
send_reply(to, RPL_STATSKLINE, p->bits > 0 ? 'k' : 'K',
p->usermask ? p->usermask : "*",
p->hostmask ? p->hostmask : "*",
p->message ? p->message : "(none)",
p->realmask ? p->realmask : "*",
p->version ? p->version : "*",
p->countrymask ? p->countrymask : "*",
p->continentmask ? p->continentmask : "*");
}
/** Report K/k-lines to a user.
* @param[in] sptr Client requesting statistics.
* @param[in] sd Stats descriptor for request (ignored).
* @param[in] mask Filter for hostmasks to show.
*/
static void
stats_klines(struct Client *sptr, const struct StatDesc *sd, char *mask)
{
int wilds = 0;
int count = 3;
int limit_query = 0;
char *user = 0;
char *host;
const struct DenyConf* conf;
if (!IsAnOper(sptr))
limit_query = 1;
if (!mask)
{
if (limit_query)
need_more_params(sptr, "STATS K");
else
report_deny_list(sptr);
return;
}
if (!limit_query)
{
wilds = string_has_wildcards(mask);
count = 1000;
}
if ((host = strchr(mask, '@')))
{
user = mask;
*host++ = '\0';
}
else
host = mask;
for (conf = conf_get_deny_list(); conf; conf = conf->next)
{
/* Skip this block if the user is searching for a user-matching
* mask but the current Kill doesn't have a usermask, or if user
* is searching for a host-matching mask but the Kill has no
* hostmask, or if the user mask is specified and doesn't match,
* or if the host mask is specified and doesn't match.
*/
if ((user && !conf->usermask)
|| (host && !conf->hostmask)
|| (user && conf->usermask
&& (wilds
? mmatch(user, conf->usermask)
: match(conf->usermask, user)))
|| (host && conf->hostmask
&& (wilds
? mmatch(host, conf->hostmask)
: match(conf->hostmask, host))))
continue;
send_reply(sptr, RPL_STATSKLINE, conf->bits > 0 ? 'k' : 'K',
conf->usermask ? conf->usermask : "*",
conf->hostmask ? conf->hostmask : "*",
conf->message ? conf->message : "(none)",
conf->realmask ? conf->realmask : "*");
if (--count == 0)
return;
}
}
/** Report on servers and/or clients connected to the network.
* @param[in] sptr Client requesting statistics.
* @param[in] sd Stats descriptor for request (ignored).
* @param[in] name Filter for client names to show.
*/
static void
stats_links(struct Client* sptr, const struct StatDesc* sd, char* name)
{
struct Client *acptr;
int i;
int wilds = 0;
if (name)
wilds = string_has_wildcards(name);
/*
* Send info about connections which match, or all if the
* mask matches me.name. Only restrictions are on those who
* are invisible not being visible to 'foreigners' who use
* a wild card based search to list it.
*/
send_reply(sptr, SND_EXPLICIT | RPL_STATSLINKINFO, "Connection SendQ "
"SendM SendKBytes RcveM RcveKBytes :Open since");
for (i = 0; i <= HighestFd; i++)
{
if (!(acptr = LocalClientArray[i]))
continue;
/* Don't return clients when this is a request for `all' */
if (!name && IsUser(acptr))
continue;
/* Don't show invisible people to non opers unless they know the nick */
if (IsInvisible(acptr) && (!name || wilds) && !IsAnOper(acptr) &&
(acptr != sptr))
continue;
/* Only show the ones that match the given mask - if any */
if (name && wilds && match(name, cli_name(acptr)))
continue;
/* Skip all that do not match the specific query */
if (!(!name || wilds) && 0 != ircd_strcmp(name, cli_name(acptr)))
continue;
send_reply(sptr, SND_EXPLICIT | RPL_STATSLINKINFO,
"%s %u %u %Lu %u %Lu :%Tu",
(*(cli_name(acptr))) ? cli_name(acptr) : "<unregistered>",
(int)MsgQLength(&(cli_sendQ(acptr))), (int)cli_sendM(acptr),
(cli_sendB(acptr) >> 10), (int)cli_receiveM(acptr),
(cli_receiveB(acptr) >> 10), CurrentTime - cli_firsttime(acptr));
}
}
/** Report on loaded modules.
* @param[in] to Client requesting statistics.
* @param[in] sd Stats descriptor for request (ignored).
* @param[in] param Extra parameter from user (ignored).
*/
static void
stats_modules(struct Client* to, const struct StatDesc* sd, char* param)
{
crypt_mechs_t* mechs;
send_reply(to, SND_EXPLICIT | RPL_STATSLLINE,
"Module Description Entry Point");
/* atm the only "modules" we have are the crypto mechanisms,
eventualy they'll be part of a global dl module list, for now
i'll just output data about them -- hikari */
if(crypt_mechs_root == NULL)
return;
mechs = crypt_mechs_root->next;
for(;;)
{
if(mechs == NULL)
return;
send_reply(to, SND_EXPLICIT | RPL_STATSLLINE,
"%s %s 0x%X",
mechs->mech->shortname, mechs->mech->description,
mechs->mech->crypt_function);
mechs = mechs->next;
}
}
/** Report how many times each command has been used.
* @param[in] to Client requesting statistics.
* @param[in] sd Stats descriptor for request (ignored).
* @param[in] param Extra parameter from user (ignored).
*/
static void
stats_commands(struct Client* to, const struct StatDesc* sd, char* param)
{
struct Message *mptr;
for (mptr = msgtab; mptr->cmd; mptr++)
if (mptr->count)
send_reply(to, RPL_STATSCOMMANDS, mptr->cmd, mptr->count, mptr->bytes);
}
/** List channel quarantines.
* @param[in] to Client requesting statistics.
* @param[in] sd Stats descriptor for request (ignored).
* @param[in] param Filter for quarantined channel names.
*/
static void
stats_quarantine(struct Client* to, const struct StatDesc* sd, char* param)
{
struct qline *qline;
for (qline = GlobalQuarantineList; qline; qline = qline->next)
{
if (param && match(param, qline->chname)) /* narrow search */
continue;
send_reply(to, RPL_STATSQLINE, qline->chname, qline->reason);
}
}
/** List service pseudo-command mappings.
* @param[in] to Client requesting statistics.
* @param[in] sd Stats descriptor for request (ignored).
* @param[in] param Extra parameter from user (ignored).
*/
static void
stats_mapping(struct Client *to, const struct StatDesc* sd, char* param)
{
struct s_map *map;
send_reply(to, RPL_STATSRLINE, "Command", "Name", "Prepend", "Target");
for (map = GlobalServiceMapList; map; map = map->next) {
struct nick_host *nh;
for (nh = map->services; nh; nh = nh->next) {
send_reply(to, RPL_STATSRLINE, map->command, map->name,
(map->prepend ? map->prepend : "*"), nh->nick);
}
}
}
/** Report server uptime and maximum connection/client counts.
* @param[in] to Client requesting statistics.
* @param[in] sd Stats descriptor for request (ignored).
* @param[in] param Extra parameter from user (ignored).
*/
static void
stats_uptime(struct Client* to, const struct StatDesc* sd, char* param)
{
time_t nowr;
nowr = CurrentTime - cli_since(&me);
send_reply(to, RPL_STATSUPTIME, nowr / 86400, (nowr / 3600) % 24,
(nowr / 60) % 60, nowr % 60);
send_reply(to, RPL_STATSCONN, max_connection_count, max_client_count);
}
/** Verbosely report on servers connected to the network.
* If sd->sd_funcdata != 0, then display in a more human-friendly format.
* @param[in] sptr Client requesting statistics.
* @param[in] sd Stats descriptor for request.
* @param[in] param Filter for server names to display.
*/
static void
stats_servers_verbose(struct Client* sptr, const struct StatDesc* sd,
char* param)
{
struct Client *acptr;
const char *fmt;
/*
* lowercase 'v' is for human-readable,
* uppercase 'V' is for machine-readable
*/
if (sd->sd_funcdata) {
send_reply(sptr, SND_EXPLICIT | RPL_STATSVERBOSE,
"%-20s %-20s Flags Hops Numeric Lag RTT Up Down "
"Clients/Max Proto %-10s :Info", "Servername", "Uplink",
"LinkTS");
fmt = "%-20s %-20s %c%c%c%c%c%c %4i %s %-4i %5i %4i %4i %4i %5i %5i P%-2i %Tu :%s";
} else {
fmt = "%s %s %c%c%c%c%c%c %i %s %i %i %i %i %i %i %i P%i %Tu :%s";
}
for (acptr = GlobalClientList; acptr; acptr = cli_next(acptr))
{
if (!IsServer(acptr) && !IsMe(acptr))
continue;
/* narrow search */
if (param && match(param, cli_name(acptr)))
continue;
send_reply(sptr, SND_EXPLICIT | RPL_STATSVERBOSE, fmt,
cli_name(acptr),
cli_name(cli_serv(acptr)->up),
IsBurst(acptr) ? 'B' : '-',
IsBurstAck(acptr) ? 'A' : '-',
IsHub(acptr) ? 'H' : '-',
IsService(acptr) ? 'S' : '-',
IsIPv6(acptr) ? '6' : '-',
IsOpLevels(acptr) ? 'O' : '-',
cli_hopcount(acptr),
NumServ(acptr),
base64toint(cli_yxx(acptr)),
cli_serv(acptr)->lag,
cli_serv(acptr)->asll_rtt,
cli_serv(acptr)->asll_to,
cli_serv(acptr)->asll_from,
(acptr == &me ? UserStats.local_clients : cli_serv(acptr)->clients),
cli_serv(acptr)->nn_mask,
cli_serv(acptr)->prot,
cli_serv(acptr)->timestamp,
cli_info(acptr));
}
}
static void
stats_webirc(struct Client* to, const struct StatDesc *sd, char* param)
{
const struct WebIRCConf *wline = conf_get_webirc_list();
char flags[6];
int i = 0;
for (; wline; wline = wline->next) {
memset(&flags, 0, 4);
flags[0] = '*';
i = 0;
if (FlagHas(&wline->flags, WFLAG_USERIDENT))
flags[i++] = 'u';
if (FlagHas(&wline->flags, WFLAG_NOIDENT))
flags[i++] = 'i';
if (FlagHas(&wline->flags, WFLAG_STRIPSSLFP))
flags[i++] = 'f';
if (FlagHas(&wline->flags, WFLAG_USEOPTIONS))
flags[i++] = 'o';
if (FlagHas(&wline->flags, WFLAG_TRUSTACCOUNT))
flags[i++] = 'a';
send_reply(to, RPL_STATSWLINE, wline->usermask, wline->hostmask,
(wline->ident ? wline->ident : "(none)"), flags,
(wline->description ? wline->description : ""));
}
}
static void
stats_excepts(struct Client* to, const struct StatDesc *sd, char* param)
{
const struct ExceptConf *eline = conf_get_except_list();
for (; eline; eline = eline->next)
send_reply(to, RPL_STATSELINE, eline->usermask, eline->hostmask,
(eline->flags & EFLAG_SHUN ? "s" : ""),
(eline->flags & EFLAG_KLINE ? "k" : ""),
(eline->flags & EFLAG_GLINE ? "g" : ""),
(eline->flags & EFLAG_ZLINE ? "z" : ""),
(eline->flags & EFLAG_IDENT ? "i" : ""),
(eline->flags & EFLAG_RDNS ? "r" : ""),
(eline->flags & EFLAG_IPCHECK ? "I" : ""),
(eline->flags & EFLAG_TARGLIMIT ? "t" : ""),
(eline->flags & EFLAG_LISTDELAY ? "l" : ""));
}
static void
stats_spoofhost(struct Client* to, const struct StatDesc *sd, char* param)
{
int y = 1, i = 1;
char* type;
const struct SHostConf* sconf = conf_get_shost_list();
for ( ; sconf; sconf = sconf->next) {
if (param && match(param, sconf->spoofhost)) { /* narrow search */
if (IsAnOper(to))
y++;
else
if (!EmptyString(sconf->passwd))
y++;
continue;
}
if (sconf->flags & SHFLAG_AUTOAPPLY)
type = "auto";
else if (IsAnOper(to) && EmptyString(sconf->passwd))
type = "oper";
else
type = "user";
send_reply(to, RPL_STATSSLINE, (param) ? y : i,
type, sconf->spoofhost,
(!IsAnOper(to) || EmptyString(sconf->usermask)) ? "" : sconf->usermask,
(!IsAnOper(to) || EmptyString(sconf->hostmask)) ? "" : sconf->hostmask);
i++;
}
}
/** Display objects allocated (and total memory used by them) for
* several types of structures.
* @param[in] to Client requesting statistics.
* @param[in] sd Stats descriptor for request (ignored).
* @param[in] param Extra parameter from user (ignored).
*/
static void
stats_meminfo(struct Client* to, const struct StatDesc* sd, char* param)
{
extern void bans_send_meminfo(struct Client *cptr);
class_send_meminfo(to);
bans_send_meminfo(to);
send_listinfo(to, 0);
}
/** Send a list of available statistics.
* @param[in] to Client requesting statistics.
* @param[in] sd Stats descriptor for request.
* @param[in] param Extra parameter from user (ignored).
*/
static void
stats_help(struct Client* to, const struct StatDesc* sd, char* param)
{
struct StatDesc *asd;
/* only if it's my user */
if (MyUser(to))
for (asd = statsinfo; asd->sd_name; asd++)
if (asd != sd) /* don't send the help for us */
sendcmdto_one(&me, CMD_NOTICE, to, "%C :%c (%s) - %s", to, asd->sd_c,
asd->sd_name, asd->sd_desc);
}
/** Contains information about all statistics. */
struct StatDesc statsinfo[] = {
{ 'a', "nameservers", STAT_FLAG_OPERFEAT|STAT_FLAG_LOCONLY, FEAT_HIS_STATS_a,
report_dns_servers, 0,
"DNS servers." },
{ 'c', "connect", STAT_FLAG_OPERFEAT, FEAT_HIS_STATS_c,
stats_configured_links, CONF_SERVER,
"Remote server connection lines." },
{ 'd', "maskrules", (STAT_FLAG_OPERFEAT | STAT_FLAG_CASESENS), FEAT_HIS_STATS_d,
stats_crule_list, CRULE_MASK,
"Dynamic routing configuration." },
{ 'D', "crules", (STAT_FLAG_OPERFEAT | STAT_FLAG_CASESENS), FEAT_HIS_STATS_d,
stats_crule_list, CRULE_ALL,
"Dynamic routing configuration." },
{ 'e', "engine", (STAT_FLAG_OPERFEAT | STAT_FLAG_CASESENS), FEAT_HIS_STATS_e,
stats_engine, 0,
"Report server event loop engine." },
{ 'E', "excepts", (STAT_FLAG_OPERFEAT | STAT_FLAG_CASESENS), FEAT_HIS_STATS_E,
stats_excepts, 0,
"Exception list." },
{ 'f', "features", (STAT_FLAG_OPERFEAT | STAT_FLAG_CASESENS), FEAT_HIS_STATS_f,
feature_report, 0,
"Feature settings." },
{ 'F', "featuresall", (STAT_FLAG_OPERFEAT | STAT_FLAG_CASESENS), FEAT_HIS_STATS_f,
feature_report, 1,
"All feature settings, including defaulted values." },
{ 'g', "glines", STAT_FLAG_OPERFEAT, FEAT_HIS_STATS_g,
gline_stats, 0,
"Global bans (G-lines)." },
{ 'i', "access", (STAT_FLAG_OPERFEAT | STAT_FLAG_VARPARAM), FEAT_HIS_STATS_i,
stats_access, CONF_CLIENT,
"Connection authorization lines." },
{ 'j', "histogram", (STAT_FLAG_OPERFEAT | STAT_FLAG_CASESENS), FEAT_HIS_STATS_j,
msgq_histogram, 0,
"Message length histogram." },
{ 'J', "jupes", (STAT_FLAG_OPERFEAT | STAT_FLAG_CASESENS), FEAT_HIS_STATS_J,
stats_nickjupes, 0,
"Nickname jupes." },
{ 'k', "klines", (STAT_FLAG_OPERFEAT | STAT_FLAG_VARPARAM), FEAT_HIS_STATS_k,
stats_klines, 0,
"Local bans (K-Lines)." },
{ 'l', "links", (STAT_FLAG_OPERFEAT | STAT_FLAG_VARPARAM | STAT_FLAG_CASESENS),
FEAT_HIS_STATS_l,
stats_links, 0,
"Current connections information." },
{ 'L', "modules", (STAT_FLAG_OPERFEAT | STAT_FLAG_CASESENS),
FEAT_HIS_STATS_L,
stats_modules, 0,
"Dynamically loaded modules." },
{ 'm', "commands", (STAT_FLAG_OPERFEAT | STAT_FLAG_CASESENS), FEAT_HIS_STATS_m,
stats_commands, 0,
"Message usage information." },
{ 'o', "operators", STAT_FLAG_OPERFEAT, FEAT_HIS_STATS_o,
stats_configured_links, CONF_OPERATOR,
"Operator information." },
{ 'p', "ports", (STAT_FLAG_OPERFEAT | STAT_FLAG_VARPARAM), FEAT_HIS_STATS_p,
show_ports, 0,
"Listening ports." },
{ 'q', "quarantines", (STAT_FLAG_OPERONLY | STAT_FLAG_VARPARAM), FEAT_HIS_STATS_q,
stats_quarantine, 0,
"Quarantined channels list." },
{ 'R', "mappings", (STAT_FLAG_OPERFEAT | STAT_FLAG_CASESENS), FEAT_HIS_STATS_R,
stats_mapping, 0,
"Service mappings." },
#ifdef DEBUGMODE
{ 'r', "usage", (STAT_FLAG_OPERFEAT | STAT_FLAG_CASESENS), FEAT_HIS_STATS_r,
send_usage, 0,
"System resource usage (Debug only)." },
#endif
{ 'S', "shuns", (STAT_FLAG_OPERFEAT | STAT_FLAG_VARPARAM | STAT_FLAG_CASESENS), FEAT_HIS_STATS_S,
shun_stats, 0,
"Global Shuns." },
{ 's', "spoofhosts", (STAT_FLAG_OPERFEAT | STAT_FLAG_VARPARAM | STAT_FLAG_CASESENS), FEAT_HIS_STATS_s,
stats_spoofhost, 0,
"Spoofed hosts information." },
{ 'T', "motds", (STAT_FLAG_OPERFEAT | STAT_FLAG_CASESENS), FEAT_HIS_STATS_T,
motd_report, 0,
"Configured Message Of The Day files." },
{ 't', "locals", (STAT_FLAG_OPERFEAT | STAT_FLAG_CASESENS), FEAT_HIS_STATS_t,
tstats, 0,
"Local connection statistics (Total SND/RCV, etc)." },
{ 'U', "uworld", (STAT_FLAG_OPERFEAT | STAT_FLAG_CASESENS), FEAT_HIS_STATS_U,
stats_configured_links, CONF_UWORLD,
"Service server information." },
{ 'u', "uptime", (STAT_FLAG_OPERFEAT | STAT_FLAG_CASESENS), FEAT_HIS_STATS_u,
stats_uptime, 0,
"Current uptime & highest connection count." },
{ 'v', "vservers", (STAT_FLAG_OPERFEAT | STAT_FLAG_VARPARAM | STAT_FLAG_CASESENS), FEAT_HIS_STATS_v,
stats_servers_verbose, 1,
"Verbose server information." },
{ 'V', "vserversmach", (STAT_FLAG_OPERFEAT | STAT_FLAG_VARPARAM | STAT_FLAG_CASESENS), FEAT_HIS_STATS_v,
stats_servers_verbose, 0,
"Verbose server information." },
{ 'w', "userload", (STAT_FLAG_OPERFEAT | STAT_FLAG_CASESENS), FEAT_HIS_STATS_w,
calc_load, 0,
"Userload statistics." },
{ 'W', "webirc", (STAT_FLAG_OPERFEAT | STAT_FLAG_CASESENS), FEAT_HIS_STATS_W,
stats_webirc, 0,
"WEBIRC configuration." },
{ 'x', "memusage", STAT_FLAG_OPERFEAT, FEAT_HIS_STATS_x,
stats_meminfo, 0,
"List usage information." },
{ 'y', "classes", STAT_FLAG_OPERFEAT, FEAT_HIS_STATS_y,
report_classes, 0,
"Connection classes." },
{ 'z', "memory", (STAT_FLAG_OPERFEAT | STAT_FLAG_CASESENS), FEAT_HIS_STATS_z,
count_memory, 0,
"Memory/Structure allocation information." },
{ 'Z', "zlines", (STAT_FLAG_OPERFEAT | STAT_FLAG_CASESENS), FEAT_HIS_STATS_Z,
zline_stats, 0,
"Global IP bans (Z-lines)." },
{ ' ', "iauth", STAT_FLAG_OPERFEAT, FEAT_HIS_STATS_IAUTH,
report_iauth_stats, 0,
"IAuth statistics." },
{ ' ', "iauthconf", STAT_FLAG_OPERFEAT, FEAT_HIS_STATS_IAUTH,
report_iauth_conf, 0,
"IAuth configuration." },
{ '*', "help", STAT_FLAG_CASESENS, FEAT_LAST_F,
stats_help, 0,
"Send help for stats." },
{ '\0', 0, FEAT_LAST_F, 0, 0, 0 }
};
/** Maps from characters to statistics descriptors.
* Statistics descriptors with no single-character alias are not included.
*/
static struct StatDesc *statsmap[256];
/** Number of statistics descriptors. */
static int statscount;
/** Compare two StatDesc structures by long name (StatDesc::sd_name).
* @param[in] a_ Pointer to a StatDesc.
* @param[in] b_ Pointer to a StatDesc.
* @return Less than, equal to, or greater than zero if \a a_ is
* lexicographically less than, equal to, or greater than \a b_.
*/
static int
stats_cmp(const void *a_, const void *b_)
{
const struct StatDesc *a = a_;
const struct StatDesc *b = b_;
return ircd_strcmp(a->sd_name, b->sd_name);
}
/** Compare a StatDesc's name against a string.
* @param[in] key Pointer to a null-terminated string.
* @param[in] sd_ Pointer to a StatDesc.
* @return Less than, equal to, or greater than zero if \a key is
* lexicographically less than, equal to, or greater than \a
* sd_->sd_name.
*/
static int
stats_search(const void *key, const void *sd_)
{
const struct StatDesc *sd = sd_;
return ircd_strcmp(key, sd->sd_name);
}
/** Look up a stats handler. If name_or_char is just one character
* long, use that as a character index; otherwise, look it up by name
* in #statsinfo.
* @param[in] name_or_char Null-terminated string to look up.
* @return The statistics descriptor for \a name_or_char (NULL if none).
*/
const struct StatDesc *
stats_find(const char *name_or_char)
{
if (!name_or_char[1])
return statsmap[name_or_char[0] - CHAR_MIN];
else
return bsearch(name_or_char, statsinfo, statscount, sizeof(statsinfo[0]), stats_search);
}
/** Build statsmap from the statsinfo array. */
void
stats_init(void)
{
struct StatDesc *sd;
/* Count number of stats entries and sort them. */
for (statscount = 0, sd = statsinfo; sd->sd_name; sd++, statscount++) {}
qsort(statsinfo, statscount, sizeof(statsinfo[0]), stats_cmp);
/* Build the mapping */
for (sd = statsinfo; sd->sd_name; sd++)
{
if (!sd->sd_c)
continue;
else if (sd->sd_flags & STAT_FLAG_CASESENS)
/* case sensitive character... */
statsmap[sd->sd_c - CHAR_MIN] = sd;
else
{
/* case insensitive--make sure to put in two entries */
statsmap[ToLower(sd->sd_c) - CHAR_MIN] = sd;
statsmap[ToUpper(sd->sd_c) - CHAR_MIN] = sd;
}
}
}