/** Perform an and-or-or test on crulearg[0] and crulearg[1].
* If crulearg[2] is non-NULL, it means do OR; if it is NULL, do AND.
* @param[in] numargs Number of valid args in \a crulearg.
* @param[in] crulearg Argument array.
* @return Non-zero if the condition is true, zero if not.
*/
static int crule__andor(int numargs, void *crulearg[])
{
int result1;
result1 = crule_eval(crulearg[0]);
if (crulearg[2]) /* or */
return (result1 || crule_eval(crulearg[1]));
else
return (result1 && crule_eval(crulearg[1]));
}
/** Evaluate connection rules.
* @param name Name of server to check
* @param mask Filter for CRule types (only consider if type & \a mask != 0).
* @return Name of rule that forbids the connection; NULL if no prohibitions.
*/
const char* conf_eval_crule(const char* name, int mask)
{
struct CRuleConf* p = cruleConfList;
assert(0 != name);
for ( ; p; p = p->next) {
if (0 != (p->type & mask) && 0 == match(p->hostmask, name)) {
if (crule_eval(p->node))
return p->rule;
}
}
return 0;
}
/** Logically invert the result of crulearg[0].
* @param[in] numargs Number of valid args in \a crulearg.
* @param[in] crulearg Argument array.
* @return Non-zero if the condition is true, zero if not.
*/
static int crule__not(int numargs, void *crulearg[])
{
return (!crule_eval(crulearg[0]));
}
/***********************************************************************
* m_connect() - Added by Jto 11 Feb 1989
***********************************************************************//*
** m_connect
** parv[0] = sender prefix
** parv[1] = servername
** parv[2] = port number
** parv[3] = remote server
*/
DLLFUNC CMD_FUNC(m_connect)
{
int port, tmpport, retval;
ConfigItem_link *aconf;
ConfigItem_deny_link *deny;
aClient *acptr;
if (!IsPrivileged(sptr))
{
sendto_one(sptr, err_str(ERR_NOPRIVILEGES), me.name, parv[0]);
return -1;
}
if (MyClient(sptr) && !OPCanGRoute(sptr) && parc > 3)
{ /* Only allow LocOps to make */
/* local CONNECTS --SRB */
sendto_one(sptr, err_str(ERR_NOPRIVILEGES), me.name, parv[0]);
return 0;
}
if (MyClient(sptr) && !OPCanLRoute(sptr) && parc <= 3)
{
sendto_one(sptr, err_str(ERR_NOPRIVILEGES), me.name, parv[0]);
return 0;
}
if (hunt_server_token(cptr, sptr, MSG_CONNECT, TOK_CONNECT, "%s %s :%s",
3, parc, parv) != HUNTED_ISME)
return 0;
if (parc < 2 || *parv[1] == '\0')
{
sendto_one(sptr, err_str(ERR_NEEDMOREPARAMS),
me.name, parv[0], "CONNECT");
return -1;
}
if ((acptr = find_server_quick(parv[1])))
{
sendto_one(sptr, ":%s %s %s :*** Connect: Server %s %s %s.",
me.name, IsWebTV(sptr) ? "PRIVMSG" : "NOTICE", parv[0], parv[1], "already exists from",
acptr->from->name);
return 0;
}
for (aconf = conf_link; aconf; aconf = (ConfigItem_link *) aconf->next)
if (!match(parv[1], aconf->servername))
break;
/* Checked first servernames, then try hostnames. */
if (!aconf)
{
sendto_one(sptr,
":%s %s %s :*** Connect: Server %s is not configured for linking", me.name,
IsWebTV(sptr) ? "PRIVMSG" : "NOTICE", parv[0], 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 = aconf->port;
if (parc > 2 && !BadPtr(parv[2]))
{
if ((port = atoi(parv[2])) <= 0)
{
sendto_one(sptr,
":%s %s %s :*** Connect: Illegal port number", me.name,
IsWebTV(sptr) ? "PRIVMSG" : "NOTICE", parv[0]);
return 0;
}
}
else if (port <= 0 && (port = PORTNUM) <= 0)
{
sendto_one(sptr, ":%s %s %s :*** Connect: missing port number",
me.name, IsWebTV(sptr) ? "PRIVMSG" : "NOTICE", parv[0]);
return 0;
}
/* Evaluate deny link */
for (deny = conf_deny_link; deny; deny = (ConfigItem_deny_link *) deny->next) {
if (deny->flag.type == CRULE_ALL && !match(deny->mask, aconf->servername)
&& crule_eval(deny->rule)) {
sendto_one(sptr,
":%s %s %s :*** Connect: Disallowed by connection rule",
me.name, IsWebTV(sptr) ? "PRIVMSG" : "NOTICE", parv[0]);
return 0;
}
}
if (strchr(aconf->hostname, '*') != NULL || strchr(aconf->hostname, '?') != NULL)
{
sendto_one(sptr,
":%s %s %s :*** Connect: You cannot connect to a server with wildcards (* and ?) in the hostname",
me.name, IsWebTV(sptr) ? "PRIVMSG" : "NOTICE", parv[0]);
return 0;
}
/*
** Notify all operators about remote connect requests
*/
if (!IsAnOper(cptr))
{
sendto_serv_butone(&me,
":%s GLOBOPS :Remote CONNECT %s %s from %s",
me.name, parv[1], parv[2] ? parv[2] : "",
get_client_name(sptr, FALSE));
}
/* Interesting */
aconf->port = port;
switch (retval = connect_server(aconf, sptr, NULL))
{
case 0:
sendto_one(sptr,
":%s %s %s :*** Connecting to %s[%s].",
me.name, IsWebTV(sptr) ? "PRIVMSG" : "NOTICE", parv[0], aconf->servername, aconf->hostname);
break;
case -1:
sendto_one(sptr, ":%s %s %s :*** Couldn't connect to %s.",
me.name, IsWebTV(sptr) ? "PRIVMSG" : "NOTICE", parv[0], aconf->servername);
break;
case -2:
sendto_one(sptr, ":%s %s %s :*** Resolving hostname '%s'...",
me.name, IsWebTV(sptr) ? "PRIVMSG" : "NOTICE", parv[0], aconf->hostname);
break;
default:
sendto_one(sptr,
":%s %s %s :*** Connection to %s failed: %s",
me.name, IsWebTV(sptr) ? "PRIVMSG" : "NOTICE", parv[0], aconf->servername, STRERROR(retval));
}
aconf->port = tmpport;
return 0;
}
