/*! \brief CONNECT command handler * * \param source_p Pointer to allocated Client struct from which the message * originally comes from. This can be a local or remote client. * \param parc Integer holding the number of supplied arguments. * \param parv Argument vector where parv[0] .. parv[parc-1] are non-NULL * pointers. * \note Valid arguments for this command are: * - parv[0] = command * - parv[1] = target server * - parv[2] = port number * - parv[3] = nickname/servername */ static int mo_connect(struct Client *source_p, int parc, char *parv[]) { int port = 0, tmpport = 0; struct MaskItem *conf = NULL; const struct Client *target_p = NULL; if (EmptyString(parv[1])) { sendto_one_numeric(source_p, &me, ERR_NEEDMOREPARAMS, "CONNECT"); return 0; } if (parc > 3) { if (!HasOFlag(source_p, OPER_FLAG_CONNECT_REMOTE)) { sendto_one_numeric(source_p, &me, ERR_NOPRIVS, "connect:remote"); return 0; } if (hunt_server(source_p, ":%s CONNECT %s %s :%s", 3, parc, parv) != HUNTED_ISME) return 0; } else if (!HasOFlag(source_p, OPER_FLAG_CONNECT)) { sendto_one_numeric(source_p, &me, ERR_NOPRIVS, "connect"); return 0; } /* * Try to find the name, then host, if both fail notify ops and bail */ if (!(conf = find_matching_name_conf(CONF_SERVER, parv[1], NULL, NULL, 0)) && !(conf = find_matching_name_conf(CONF_SERVER, NULL, NULL, parv[1], 0))) { sendto_one_notice(source_p, &me, ":Connect: Host %s not listed in configuration file", parv[1]); return 0; } if ((target_p = hash_find_server(conf->name))) { sendto_one_notice(source_p, &me, ":Connect: Server %s already exists from %s.", target_p->name, target_p->from->name); return 0; } /* * Get port number from user, if given. If not specified, * use the default from configuration structure. If missing * from there, then use the precompiled default. */ tmpport = port = conf->port; if (parc > 2 && !EmptyString(parv[2])) { if ((port = atoi(parv[2])) <= 0) { sendto_one_notice(source_p, &me, ":Connect: Illegal port number"); return 0; } } else if (port <= 0 && (port = PORTNUM) <= 0) { sendto_one_notice(source_p, &me, ":Connect: missing port number"); return 0; } if (find_servconn_in_progress(conf->name)) { sendto_one_notice(source_p, &me, ":Connect: a connection to %s " "is already in progress.", conf->name); return 0; } /* * Notify all operators about remote connect requests */ ilog(LOG_TYPE_IRCD, "CONNECT From %s : %s %s", source_p->name, parv[1], parv[2] ? parv[2] : ""); conf->port = port; /* * At this point we should be calling connect_server with a valid * connect{} block and a valid port in the connect{} block */ if (serv_connect(conf, source_p)) { if (!ConfigServerHide.hide_server_ips && HasUMode(source_p, UMODE_ADMIN)) sendto_one_notice(source_p, &me, ":*** Connecting to %s[%s].%d", conf->host, conf->name, conf->port); else sendto_one_notice(source_p, &me, ":*** Connecting to %s.%d", conf->name, conf->port); } else sendto_one_notice(source_p, &me, ":*** Couldn't connect to %s.%d", conf->name, conf->port); /* * Client is either connecting with all the data it needs or has been * destroyed */ conf->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; }
/*! \brief CONNECT command handler * * \param source_p Pointer to allocated Client struct from which the message * originally comes from. This can be a local or remote client. * \param parc Integer holding the number of supplied arguments. * \param parv Argument vector where parv[0] .. parv[parc-1] are non-NULL * pointers. * \note Valid arguments for this command are: * - parv[0] = command * - parv[1] = target server * - parv[2] = port number * - parv[3] = nickname/servername */ static int ms_connect(struct Client *source_p, int parc, char *parv[]) { int port = 0, tmpport = 0; struct MaskItem *conf = NULL; const struct Client *target_p = NULL; if (parc < 4 || EmptyString(parv[3])) { sendto_one_numeric(source_p, &me, ERR_NEEDMOREPARAMS, "CONNECT"); return 0; } if (hunt_server(source_p, ":%s CONNECT %s %s :%s", 3, parc, parv) != HUNTED_ISME) return 0; /* * Try to find the name, then host, if both fail notify ops and bail */ if (!(conf = find_matching_name_conf(CONF_SERVER, parv[1], NULL, NULL, 0)) && !(conf = find_matching_name_conf(CONF_SERVER, NULL, NULL, parv[1], 0))) { sendto_one_notice(source_p, &me, ":Connect: Host %s not listed in configuration file", parv[1]); return 0; } if ((target_p = hash_find_server(conf->name))) { sendto_one_notice(source_p, &me, ":Connect: Server %s already exists from %s.", target_p->name, target_p->from->name); return 0; } /* * Get port number from user, if given. If not specified, * use the default from configuration structure. If missing * from there, then use the precompiled default. */ tmpport = port = conf->port; if (parc > 2 && !EmptyString(parv[2])) { port = atoi(parv[2]); /* * If someone sends port 0, and we have a config port.. use it */ if (port == 0 && conf->port) port = conf->port; else if (port <= 0) { sendto_one_notice(source_p, &me, ":Connect: Illegal port number"); return 0; } } else if (port <= 0 && (port = PORTNUM) <= 0) { sendto_one_notice(source_p, &me, ":Connect: missing port number"); return 0; } if (find_servconn_in_progress(conf->name)) { sendto_one_notice(source_p, &me, ":Connect: a connection to %s " "is already in progress.", conf->name); return 0; } /* * Notify all operators about remote connect requests */ sendto_realops_flags(UMODE_ALL, L_ALL, SEND_GLOBAL, "from %s: Remote CONNECT %s %d from %s", me.name, parv[1], port, source_p->name); sendto_server(NULL, 0, 0, ":%s GLOBOPS :Remote CONNECT %s %d from %s", me.id, parv[1], port, source_p->name); ilog(LOG_TYPE_IRCD, "CONNECT From %s : %s %d", source_p->name, parv[1], port); conf->port = port; /* * At this point we should be calling connect_server with a valid * connect{} block and a valid port in the connect{} block */ if (serv_connect(conf, source_p)) sendto_one_notice(source_p, &me, ":*** Connecting to %s.%d", conf->name, conf->port); else sendto_one_notice(source_p, &me, ":*** Couldn't connect to %s.%d", conf->name, conf->port); /* * Client is either connecting with all the data it needs or has been * destroyed */ conf->port = tmpport; return 0; }
/* * ms_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 ms_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; 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 (aconf == NULL) { sendto_one(source_p, ":%s NOTICE %s :Connect: Host %s not listed in ircd.conf", me.name, source_p->name, parv[1]); return; } assert(aconf != NULL); /* 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])) { port = atoi(parv[2]); /* if someone sends port 0, and we have a config port.. use it */ if (port == 0 && aconf->port) port = aconf->port; else if (port <= 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 */ sendto_wallops_flags(UMODE_WALLOP, &me, "Remote CONNECT %s %d from %s", parv[1], port, source_p->name); sendto_server(NULL, NULL, NULL, NOCAPS, NOCAPS, NOFLAGS, ":%s WALLOPS :Remote CONNECT %s %d from %s", me.name, parv[1], port, source_p->name); ilog(L_TRACE, "CONNECT From %s : %s %d", source_p->name, parv[1], port); 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)) 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; }