/************************************************************************
* IRC - Internet Relay Chat, modules/m_service.c
*
* Copyright (C) 2000-2003 TR-IRCD Development
*
* Copyright (C) 1990 Jarkko Oikarinen and
* University of Oulu, Co Center
*
* 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 2, 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 "struct.h"
#include "common.h"
#include "sys.h"
#include "numeric.h"
#include "msg.h"
#include "channel.h"
#include "s_conf.h"
#include "listener.h"
#include "h.h"
static char buf2[BUFSIZE];
static char *token = TOK1_SERVICE;
static struct Message _msgtab[] = {
{MSG_SERVICE, 0, MAXPARA, M_SLOW, 0L,
m_service, m_registered, m_ignore, s_service, m_ignore}
};
#ifndef STATIC_MODULES
char *_version = "$Revision: 1.3 $";
void _modinit(void)
{
mod_add_cmd(_msgtab);
tok1_msgtab[(u_char) *token].msg = _msgtab;
}
void _moddeinit(void)
{
mod_del_cmd(_msgtab);
tok1_msgtab[(u_char) *token].msg = NULL;
}
#else
void m_service_init(void)
{
mod_add_cmd(_msgtab);
tok1_msgtab[(u_char) *token].msg = _msgtab;
}
#endif
/*
* -TimeMr14C
* the m_service function
* This is the function, where a connection defines itself
* as a service instead of a user or server
* it will also be parsed, if a remote server
* introduces a service to us
*
* parv[0] = sender prefix
* parv[1] = service name
* parv[2] = ident of the service
* parv[3] = service description
*
* The upper one should only be accepted if arriving from a
* local client connection, else ignored.
*
* parv[0] = sender prefix
* parv[1] = service name
* parv[2] = timestamp of service introduction
* parv[3] = hopcount of the service
* parv[4] = flags of the service
* parv[5] = ident of the service
* parv[6] = hostname of the service
* parv[7] = server of the service
* parv[8] = description of the service
*
* This formation results from the SERVICE command arriving from a
* server. It should be ignored if arriving from a user connection.
*
*/
int s_service(aClient *cptr, aClient *sptr, int parc, char *parv[])
{
aClient *acptr;
aService *svc;
char *m;
char name[NICKLEN + 2];
int *s;
int flag = 0;
int flags = 0;
int modes = 0;
if (parc < 8) {
send_me_numeric(sptr, ERR_NEEDMOREPARAMS, MSG_SERVICE);
return 0;
}
if (HasServices(cptr)) {
if (!IsDigit(parv[2][0]) || !IsDigit(parv[3][0])) {
sendto_lev(SERVICE_LEV,
"Remote server %s tried to introduce non-ts service %s",
cptr->name, parv[1]);
return 0;
}
strlcpy_irc(name, parv[1], NICKLEN);
if ((acptr = find_client(parv[1])) != NULL) {
sendto_gnotice("Service %s already exists", acptr->name);
sendto_one(acptr, "%s %C :Service already exists", MSG_SQUIT, acptr);
return exit_client(acptr, &me, "Service already exists");
}
acptr = find_server(parv[7]);
if (!acptr) {
sendto_lev(SERVICE_LEV, "Remote SERVICE %s on unknown server %s", name, parv[7]);
return 0;
}
sptr = make_client(cptr);
sptr->servptr = acptr;
sptr->hopcount = atoi(parv[2]);
sptr->tsval = atol(parv[3]);
m = &parv[4][0];
while (*m) {
for (s = service_info; (flag = *s); s += 2)
if (*m == *(s + 1)) {
flags |= flag;
break;
}
m++;
}
strcpy(sptr->name, name);
strlcpy_irc(sptr->username, parv[5], USERLEN);
strlcpy_irc(sptr->sockhost, parv[6], HOSTLEN);
strlcpy_irc(sptr->info, parv[8], REALLEN);
sptr->status = STAT_SERVICE;
svc = make_service(sptr);
svc->sflags |= flags;
svc->enable = modes;
svc->server = strdup(parv[7]);
add_client_to_list(sptr);
add_to_client_hash_table(sptr->name, sptr);
sendto_lev(SERVICE_LEV,
"Created service %s (%s@%s) from %s. [%s]",
sptr->name, sptr->username, sptr->sockhost, svc->server, sptr->info);
Count.service++;
m = buf2;
*m = '\0';
for (s = service_info; (flag = *s); s += 2)
if (svc->sflags & flag)
*m++ = *(s + 1);
*m = '\0';
sendto_lev(SERVICE_LEV,
"Flags for Service %s are: %s%s%s", sptr->name,
(strchr(buf2, 'U') ? "U:Lined " : ""), (strchr(buf2, 'A') ? "Akill " : ""));
if (svc->sflags & SMODE_U)
svc->scptr->protoflags |= PFLAGS_ULINE;
sendto_flag_serv_butone(cptr, CAPAB_SERVICES, 0, cptr, TOK1_SERVICE,
"%s %d %T %s %s %s %s :%s",
sptr->name, (sptr->hopcount + 1),
sptr, service_info_to_char(svc),
sptr->username, sptr->sockhost, svc->server, sptr->info);
sendto_service(SERVICE_SEE_SERVICES, 0, cptr, NULL, TOK1_SERVICE,
"%s %d %T %s %s %s %s :%s",
sptr->name, (sptr->hopcount + 1),
sptr, service_info_to_char(svc),
sptr->username, sptr->sockhost, svc->server, sptr->info);
} else if (!HasServices(sptr)) {
sendto_gnotice("Non-Service capable server %s is trying to introduce service", sptr->name);
}
return 0;
}
int m_service(aClient *cptr, aClient *sptr, int parc, char *parv[])
{
aClient *acptr;
aService *svc;
aConfItem *aconf;
char *m;
char name[NICKLEN + 2];
int *s;
int flag = 0;
if (parc < 4) {
send_me_numeric(sptr, ERR_NEEDMOREPARAMS, MSG_SERVICE);
return 0;
}
strlcpy_irc(name, parv[1], NICKLEN);
if ((aconf = find_conf_by_name(name, CONF_SERVICE)) == NULL) {
return exit_client(sptr, &me, "Service Does Not Exist");
}
if (!BadPtr(aconf->passwd) && !strcmp(aconf->passwd, cptr->passwd)) {
sendto_lev(REJ_LEV,
"Access denied (password mismatch) to %s (%s@%s)",
name, parv[2], get_client_name(cptr, TRUE));
return exit_client(sptr, &me, "Password incorrect");
}
if ((acptr = find_client(parv[1])) != NULL) {
sendto_lev(REJ_LEV, "Service %s already exists", acptr->name);
return exit_client(sptr, &me, "Service already exists");
}
if (!IsListenerService(sptr->listener)) {
sendto_lev(REJ_LEV, "Unauthorized connection attempt from %s to non-service port",
get_client_name(cptr, TRUE));
return exit_client(sptr, &me, "You are not authorized to use that port");
}
strcpy(cptr->name, name);
strlcpy_irc(cptr->username, parv[2], USERLEN);
strlcpy_irc(cptr->info, parv[3], REALLEN);
cptr->tsval = timeofday;
attach_conf(cptr, aconf);
cptr->status = STAT_SERVICE;
cptr->pingval = get_client_ping(cptr);
cptr->sendqlen = get_sendq(cptr);
memset(cptr->passwd, '\0', PASSWDLEN);
svc = make_service(cptr);
svc->sflags |= aconf->port;
svc->enable = 0;
svc->server = strdup(me.name);
add_to_client_hash_table(cptr->name, cptr);
send_me_numeric(cptr, RPL_YOURESERVICE);
send_me_numeric(cptr, RPL_YOURHOST, get_client_name(&me, TRUE), version);
send_me_numeric(cptr, RPL_CREATED, creation);
send_me_numeric(cptr, RPL_MYINFO, me.name, version);
send_supported(sptr);
sendto_lev(SERVICE_LEV,
"Service %s (%s@%s) connected. [%s]",
cptr->name, cptr->username, cptr->sockhost, cptr->info);
Count.myservice++;
Count.service++;
m = buf2;
*m = '\0';
for (s = service_info; (flag = *s); s += 2)
if (svc->sflags & flag)
*m++ = *(s + 1);
*m = '\0';
sendto_lev(SERVICE_LEV,
"Flags for Service %s are: %s%s%s", cptr->name,
(strchr(buf2, 'U') ? "U:Lined " : ""), (strchr(buf2, 'A') ? "Akill " : ""));
if (svc->sflags & SMODE_U)
cptr->protoflags |= PFLAGS_ULINE;
sendto_flag_serv_butone(cptr, CAPAB_SERVICES, 0, &me, TOK1_SERVICE,
"%s 1 %T %s %s %s %s :%s",
cptr->name, cptr, service_info_to_char(svc), cptr->username,
cptr->sockhost, me.name, cptr->info);
sendto_service(SERVICE_SEE_SERVICES, 0, &me, NULL, TOK1_SERVICE,
"%s %T %s %s %s %s :%s", cptr->name, cptr->tsval,
service_info_to_char(svc), cptr->username, cptr->sockhost, me.name, cptr->info);
return 0;
}
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