/*
* mo_connect - CONNECT command handler
*
* Added by Jto 11 Feb 1989
*
* m_connect
* parv[1] = servername
* parv[2] = port number
* parv[3] = remote server
*/
static int
mo_connect(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
int port;
int tmpport;
struct server_conf *server_p;
struct Client *target_p;
/* always privileged with handlers */
if(MyConnect(source_p) && !IsOperRemote(source_p) && parc > 3)
{
sendto_one(source_p, form_str(ERR_NOPRIVS),
me.name, source_p->name, "remote");
return 0;
}
if(hunt_server(client_p, source_p, ":%s CONNECT %s %s :%s", 3, parc, parv) != HUNTED_ISME)
return 0;
if((target_p = find_server(source_p, parv[1])))
{
sendto_one_notice(source_p, ":Connect: Server %s already exists from %s.", parv[1],
target_p->from->name);
return 0;
}
/*
* try to find the name, then host, if both fail notify ops and bail
*/
if((server_p = find_server_conf(parv[1])) == NULL)
{
sendto_one_notice(source_p, ":Connect: Host %s not listed in ircd.conf", parv[1]);
return 0;
}
if(ServerConfSSL(server_p) && (!ssl_ok || !get_ssld_count()))
{
sendto_one_notice(source_p,
":Connect: Server %s is set to use SSL/TLS but SSL/TLS is not configured.",
parv[1]);
return 0;
}
/*
* Get port number from user, if given. If not specified,
* use the default form configuration structure. If missing
* from there, then use the precompiled default.
*/
tmpport = port = 0;
if(parc > 2 && !EmptyString(parv[2]))
port = atoi(parv[2]);
if(port == 0 && server_p->port)
port = server_p->port;
else if(port <= 0)
{
sendto_one_notice(source_p, ":Connect: illegal port number");
return 0;
}
/*
* Notify all operators about remote connect requests
*/
ilog(L_SERVER, "CONNECT From %s : %s %s", source_p->name, parv[1], parc > 2 ? parv[2] : "");
server_p->port = port;
/*
* at this point we should be calling connect_server with a valid
* C:line and a valid port in the C:line
*/
if(serv_connect(server_p, source_p))
{
sendto_one_notice(source_p, ":*** Connecting to %s.%d",
server_p->name, server_p->port);
}
else
{
sendto_one_notice(source_p, ":*** Couldn't connect to %s.%d",
server_p->name, server_p->port);
}
/*
* client is either connecting with all the data it needs or has been
* destroyed
*/
server_p->port = tmpport;
return 0;
}
/*
* mo_connect - CONNECT command handler
*
* Added by Jto 11 Feb 1989
*
* m_connect
* parv[0] = sender prefix
* parv[1] = servername
* parv[2] = port number
* parv[3] = remote server
*/
static void
mo_connect(struct Client* client_p, struct Client* source_p,
int parc, char* parv[])
{
int port;
int tmpport;
struct ConfItem *conf = NULL;
struct AccessItem *aconf = NULL;
struct Client *target_p;
/* always privileged with handlers */
if (MyConnect(source_p) && !IsOperRemote(source_p) && parc > 3)
{
sendto_one(source_p, form_str(ERR_NOPRIVS),
me.name, source_p->name, "connect");
return;
}
if (hunt_server(client_p, source_p,
":%s CONNECT %s %s :%s", 3, parc, parv) != HUNTED_ISME)
return;
if (*parv[1] == '\0')
{
sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
me.name, source_p->name, "CONNECT");
return;
}
if ((target_p = find_server(parv[1])))
{
sendto_one(source_p,
":%s NOTICE %s :Connect: Server %s already exists from %s.",
me.name, source_p->name, parv[1], target_p->from->name);
return;
}
/*
* try to find the name, then host, if both fail notify ops and bail
*/
if ((conf = find_matching_name_conf(SERVER_TYPE,
parv[1], NULL, NULL, 0)) != NULL)
aconf = (struct AccessItem *)map_to_conf(conf);
else if ((conf = find_matching_name_conf(SERVER_TYPE,
NULL, NULL, parv[1], 0)) != NULL)
aconf = (struct AccessItem *)map_to_conf(conf);
if (conf == NULL)
{
sendto_one(source_p,
":%s NOTICE %s :Connect: Host %s not listed in ircd.conf",
me.name, source_p->name, parv[1]);
return;
}
/* Get port number from user, if given. If not specified,
* use the default form configuration structure. If missing
* from there, then use the precompiled default.
*/
tmpport = port = aconf->port;
if (parc > 2 && !EmptyString(parv[2]))
{
if ((port = atoi(parv[2])) <= 0)
{
sendto_one(source_p, ":%s NOTICE %s :Connect: Illegal port number",
me.name, source_p->name);
return;
}
}
else if (port <= 0 && (port = PORTNUM) <= 0)
{
sendto_one(source_p, ":%s NOTICE %s :Connect: missing port number",
me.name, source_p->name);
return;
}
if (find_servconn_in_progress(conf->name))
{
sendto_one(source_p, ":%s NOTICE %s :Connect: a connection to %s "
"is already in progress.", me.name, source_p->name, conf->name);
return;
}
/*
* Notify all operators about remote connect requests
*/
ilog(L_TRACE, "CONNECT From %s : %s %s",
source_p->name, parv[1], parv[2] ? parv[2] : "");
aconf->port = port;
/* at this point we should be calling connect_server with a valid
* C:line and a valid port in the C:line
*/
if (serv_connect(aconf, source_p))
{
if (!ConfigServerHide.hide_server_ips && IsAdmin(source_p))
sendto_one(source_p, ":%s NOTICE %s :*** Connecting to %s[%s].%d",
me.name, source_p->name, aconf->host,
conf->name, aconf->port);
else
sendto_one(source_p, ":%s NOTICE %s :*** Connecting to %s.%d",
me.name, source_p->name, conf->name, aconf->port);
}
else
{
sendto_one(source_p, ":%s NOTICE %s :*** Couldn't connect to %s.%d",
me.name, source_p->name, conf->name, aconf->port);
}
/* client is either connecting with all the data it needs or has been
* destroyed
*/
aconf->port = tmpport;
}
/*
* m_squit - SQUIT message handler
* parv[0] = sender prefix
* parv[1] = server name
* parv[2] = comment
*/
int m_squit(struct Client *cptr, struct Client *sptr, int parc, char *parv[])
{
struct ConfItem* aconf;
char* server;
struct Client* acptr;
char *comment = (parc > 2 && parv[2]) ? parv[2] : cptr->name;
if (!IsPrivileged(sptr))
{
sendto_one(sptr, form_str(ERR_NOPRIVILEGES), me.name, parv[0]);
return 0;
}
if (parc > 1)
{
server = parv[1];
/*
** To accomodate host masking, a squit for a masked server
** name is expanded if the incoming mask is the same as
** the server name for that link to the name of link.
*/
while ((*server == '*') && IsServer(cptr))
{
aconf = cptr->serv->nline;
if (!aconf)
break;
if (!irccmp(server, my_name_for_link(me.name, aconf)))
server = cptr->name;
break; /* WARNING is normal here */
/* NOTREACHED */
}
/*
** The following allows wild cards in SQUIT. Only useful
** when the command is issued by an oper.
*/
for (acptr = GlobalClientList; (acptr = next_client(acptr, server));
acptr = acptr->next)
if (IsServer(acptr) || IsMe(acptr))
break;
if (acptr && IsMe(acptr))
{
acptr = cptr;
server = cptr->name;
}
}
else
{
/*
** This is actually protocol error. But, well, closing
** the link is very proper answer to that...
**
** Closing the client's connection probably wouldn't do much
** good.. any oper out there should know that the proper way
** to disconnect is /QUIT :)
**
** its still valid if its not a local client, its then
** a protocol error for sure -Dianora
*/
if(MyClient(sptr))
{
sendto_one(sptr, form_str(ERR_NEEDMOREPARAMS),
me.name, parv[0], "SQUIT");
return 0;
}
else
{
server = cptr->host;
acptr = cptr;
}
}
/*
** SQUIT semantics is tricky, be careful...
**
** The old (irc2.2PL1 and earlier) code just cleans away the
** server client from the links (because it is never true
** "cptr == acptr".
**
** This logic here works the same way until "SQUIT host" hits
** the server having the target "host" as local link. Then it
** will do a real cleanup spewing SQUIT's and QUIT's to all
** directions, also to the link from which the orinal SQUIT
** came, generating one unnecessary "SQUIT host" back to that
** link.
**
** One may think that this could be implemented like
** "hunt_server" (e.g. just pass on "SQUIT" without doing
** nothing until the server having the link as local is
** reached). Unfortunately this wouldn't work in the real life,
** because either target may be unreachable or may not comply
** with the request. In either case it would leave target in
** links--no command to clear it away. So, it's better just
** clean out while going forward, just to be sure.
**
** ...of course, even better cleanout would be to QUIT/SQUIT
** dependant users/servers already on the way out, but
** currently there is not enough information about remote
** clients to do this... --msa
*/
if (!acptr)
{
sendto_one(sptr, form_str(ERR_NOSUCHSERVER),
me.name, parv[0], server);
return 0;
}
if (IsLocOp(sptr) && !MyConnect(acptr))
{
sendto_one(sptr, form_str(ERR_NOPRIVILEGES), me.name, parv[0]);
return 0;
}
if (MyClient(sptr) && !IsOperRemote(sptr) && !MyConnect(acptr))
{
sendto_one(sptr,":%s NOTICE %s :You have no R flag",me.name,parv[0]);
return 0;
}
/*
** Notify all opers, if my local link is remotely squitted
*/
if (MyConnect(acptr) && !IsAnOper(cptr))
{
sendto_ops_butone(NULL, &me,
":%s WALLOPS :Received SQUIT %s from %s (%s)",
me.name, server, get_client_name(sptr,FALSE), comment);
log(L_TRACE, "SQUIT From %s : %s (%s)", parv[0], server, comment);
}
else if (MyConnect(acptr))
sendto_ops("Received SQUIT %s from %s (%s)",
acptr->name, get_client_name(sptr,FALSE), comment);
return exit_client(cptr, acptr, sptr, comment);
}
/*
* mo_connect - CONNECT command handler
*
* Added by Jto 11 Feb 1989
*
* m_connect
* parv[0] = sender prefix
* parv[1] = servername
* parv[2] = port number
* parv[3] = remote server
*/
static void
mo_connect(struct Client *client_p, struct Client *source_p, int parc, char *parv[])
{
int port;
int tmpport;
struct ConfItem *aconf;
struct Client *target_p;
/* always privileged with handlers */
if(MyConnect(source_p) && !IsOperRemote(source_p) && parc > 3)
{
sendto_one(source_p, ":%s NOTICE %s :You need remote = yes;", me.name, parv[0]);
return;
}
if(hunt_server(client_p, source_p, ":%s CONNECT %s %s :%s", 3, parc, parv) != HUNTED_ISME)
{
return;
}
if(*parv[1] == '\0')
{
sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS), me.name, parv[0], "CONNECT");
return;
}
if((target_p = find_server(parv[1])))
{
sendto_one(source_p, ":%s NOTICE %s :Connect: Server %s already exists from %s.",
me.name, parv[0], parv[1], target_p->from->name);
return;
}
/*
* try to find the name, then host, if both fail notify ops and bail
*/
if(!(aconf = find_conf_by_name(parv[1], CONF_SERVER)))
{
if(!(aconf = find_conf_by_host(parv[1], CONF_SERVER)))
{
sendto_one(source_p,
"NOTICE %s :Connect: Host %s not listed in ircd.conf",
parv[0], parv[1]);
return;
}
}
s_assert(0 != aconf);
/*
* Get port number from user, if given. If not specified,
* use the default form configuration structure. If missing
* from there, then use the precompiled default.
*/
tmpport = port = aconf->port;
if(parc > 2 && !EmptyString(parv[2]))
{
if((port = atoi(parv[2])) <= 0)
{
sendto_one(source_p, "NOTICE %s :Connect: Illegal port number", parv[0]);
return;
}
}
else if(port <= 0 && (port = PORTNUM) <= 0)
{
sendto_one(source_p, ":%s NOTICE %s :Connect: missing port number",
me.name, parv[0]);
return;
}
/*
* Notify all operators about remote connect requests
*/
ilog(L_TRACE, "CONNECT From %s : %s %s", parv[0], parv[1], parv[2] ? parv[2] : "");
aconf->port = port;
/*
* at this point we should be calling connect_server with a valid
* C:line and a valid port in the C:line
*/
if(serv_connect(aconf, source_p))
{
#ifndef HIDE_SERVERS_IPS
if(IsOperAdmin(source_p))
sendto_one(source_p, ":%s NOTICE %s :*** Connecting to %s[%s].%d",
me.name, parv[0], aconf->host, aconf->name, aconf->port);
else
#endif
sendto_one(source_p, ":%s NOTICE %s :*** Connecting to %s.%d",
me.name, parv[0], aconf->name, aconf->port);
}
else
{
sendto_one(source_p, ":%s NOTICE %s :*** Couldn't connect to %s.%d",
me.name, parv[0], aconf->name, aconf->port);
}
/*
* client is either connecting with all the data it needs or has been
* destroyed
*/
aconf->port = tmpport;
}
/*
* m_connect - CONNECT command handler
*
* Added by Jto 11 Feb 1989
*
* m_connect
* parv[0] = sender prefix
* parv[1] = servername
* parv[2] = port number
* parv[3] = remote server
*/
int m_connect(struct Client* cptr, struct Client* sptr, int parc, char* parv[])
{
int port;
int tmpport;
struct ConfItem* aconf;
struct Client* acptr;
if (!IsPrivileged(sptr))
{
sendto_one(sptr, form_str(ERR_NOPRIVILEGES), me.name, parv[0]);
return -1;
}
if (IsLocOp(sptr) && parc > 3) {
/*
* Only allow LocOps to make local CONNECTS --SRB
*/
return 0;
}
if (MyConnect(sptr) && !IsOperRemote(sptr) && parc > 3)
{
sendto_one(sptr,":%s NOTICE %s :You have no R flag", me.name, parv[0]);
return 0;
}
if (hunt_server(cptr, sptr,
":%s CONNECT %s %s :%s", 3, parc, parv) != HUNTED_ISME)
return 0;
if (parc < 2 || *parv[1] == '\0')
{
sendto_one(sptr, form_str(ERR_NEEDMOREPARAMS),
me.name, parv[0], "CONNECT");
return -1;
}
if ((acptr = find_server(parv[1])))
{
sendto_one(sptr, ":%s NOTICE %s :Connect: Server %s %s %s.",
me.name, parv[0], parv[1], "already exists from",
acptr->from->name);
return 0;
}
/*
* try to find the name, then host, if both fail notify ops and bail
*/
if (!(aconf = find_conf_by_name(parv[1], CONF_CONNECT_SERVER))) {
#ifndef HIDE_SERVERS_IPS
if (!(aconf = find_conf_by_host(parv[1], CONF_CONNECT_SERVER))) {
#endif
sendto_one(sptr,
"NOTICE %s :Connect: Host %s not listed in ircd.conf",
parv[0], parv[1]);
return 0;
#ifndef HIDE_SERVERS_IPS
}
#endif
}
assert(0 != aconf);
/*
* Get port number from user, if given. If not specified,
* use the default form configuration structure. If missing
* from there, then use the precompiled default.
*/
tmpport = port = aconf->port;
if (parc > 2 && !EmptyString(parv[2]))
{
#ifdef NEG_PORT
if ((port = atoi(parv[2])) < 0)
#else
if ((port = atoi(parv[2])) <= 0)
#endif
{
sendto_one(sptr, "NOTICE %s :Connect: Illegal port number",
parv[0]);
return 0;
}
}
#ifdef NEG_PORT
else if (port < 0 && (port = PORTNUM) <= 0)
#else
else if (port <= 0 && (port = PORTNUM) <= 0)
#endif
{
sendto_one(sptr, ":%s NOTICE %s :Connect: missing port number",
me.name, parv[0]);
return 0;
}
#ifdef NEG_PORT
if (port == 0)
port = tmpport; /* From conf */
if (port == 0)
port = PORTNUM; /* Default if there wasn't one set in conf */
#endif
/*
* Notify all operators about remote connect requests
*/
if (!IsAnOper(cptr))
{
sendto_ops_butone(NULL, &me,
":%s WALLOPS :Remote CONNECT %s %s from %s",
me.name, parv[1], parv[2] ? parv[2] : "",
get_client_name(sptr, FALSE));
irclog(L_TRACE, "CONNECT From %s : %s %s",
parv[0], parv[1], parv[2] ? parv[2] : "");
}
aconf->port = port;
/*
* at this point we should be calling connect_server with a valid
* C:line and a valid port in the C:line
*/
if (connect_server(aconf, sptr, 0))
#if (defined SERVERHIDE) || (defined HIDE_SERVERS_IPS)
sendto_one(sptr, ":%s NOTICE %s :*** Connecting to %s[%s].%d",
me.name, parv[0], "255.255.255.255", aconf->name, aconf->port);
else
sendto_one(sptr, ":%s NOTICE %s :*** Couldn't connect to %s.%d",
me.name, parv[0], "255.255.255.255",aconf->port);
#else
sendto_one(sptr, ":%s NOTICE %s :*** Connecting to %s[%s].%d",
me.name, parv[0], aconf->host, aconf->name, aconf->port);
else