/* * IRC - Internet Relay Chat, ircd/m_server.c * Copyright (C) 1990 Jarkko Oikarinen and * University of Oulu, Computing Center * * 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. */ /** @file * @brief Handlers for the SERVER command. * @version $Id: m_server.c 1927 2010-01-03 20:43:17Z entrope $ */ #include "config.h" #include "client.h" #include "hash.h" #include "ircd.h" #include "ircd_log.h" #include "ircd_features.h" #include "ircd_reply.h" #include "ircd_string.h" #include "jupe.h" #include "list.h" #include "match.h" #include "msg.h" #include "numeric.h" #include "numnicks.h" #include "querycmds.h" #include "s_bsd.h" #include "s_conf.h" #include "s_debug.h" #include "s_misc.h" #include "s_serv.h" #include "send.h" #include "userload.h" /* #include -- Now using assert in ircd_log.h */ #include #include /** Clean up a server name. * @param[in] host Input server name. * @return NULL if the name is invalid, else pointer to cleaned-up name. */ static char * clean_servername(char *host) { char* ch; /* * Check for "FRENCH " infection ;-) (actually this should * be replaced with routine to check the hostname syntax in * general). [ This check is still needed, even after the parse * is fixed, because someone can send "SERVER :foo bar " ]. * Also, changed to check other "difficult" characters, now * that parse lets all through... --msa */ if (strlen(host) > HOSTLEN) host[HOSTLEN] = '\0'; for (ch = host; *ch; ch++) if (*ch <= ' ' || *ch > '~') break; if (*ch || !strchr(host, '.') || strlen(host) > HOSTLEN) return NULL; return host; } /** Parse protocol version from a string. * @param[in] proto String version of protocol number. * @return Zero if \a proto is unrecognized, else protocol version. */ static unsigned short parse_protocol(const char *proto) { unsigned short prot; if (strlen(proto) != 3 || (proto[0] != 'P' && proto[0] != 'J')) return 0; prot = atoi(proto+1); if (prot > atoi(MAJOR_PROTOCOL)) prot = atoi(MAJOR_PROTOCOL); return prot; } /** Reason not to accept a server's new announcement. */ enum lh_type { ALLOWED, /**< The new server link is accepted. */ MAX_HOPS_EXCEEDED, /**< The path to the server is too long. */ NOT_ALLOWED_TO_HUB, /**< My peer is not allowed to hub for the server. */ I_AM_NOT_HUB /**< I have another active server link but not FEAT_HUB. */ }; /** Check whether the introduction of a new server would cause a loop * or be disallowed by leaf and hub configuration directives. * @param[in] cptr Neighbor who sent the message. * @param[in] sptr Client that originated the message. * @param[out] ghost If non-NULL, receives ghost timestamp for new server. * @param[in] host Name of new server. * @param[in] numnick Numnick mask of new server. * @param[in] timestamp Claimed link timestamp of new server. * @param[in] hop Number of hops to the new server. * @param[in] junction Non-zero if the new server is still bursting. * @return CPTR_KILLED if \a cptr was SQUIT. 0 if some other server * was SQUIT. 1 if the new server is allowed. */ static int check_loop_and_lh(struct Client* cptr, struct Client *sptr, time_t *ghost, const char *host, const char *numnick, time_t timestamp, int hop, int junction) { struct Client* acptr; struct Client* LHcptr = NULL; struct ConfItem* lhconf; enum lh_type active_lh_line = ALLOWED; int ii; if (ghost) *ghost = 0; /* * Calculate type of connect limit and applicable config item. */ lhconf = find_conf_byname(cli_confs(cptr), cli_name(cptr), CONF_SERVER); assert(lhconf != NULL); if (ghost) { if (!feature_bool(FEAT_HUB)) for (ii = 0; ii <= HighestFd; ii++) if (LocalClientArray[ii] && IsServer(LocalClientArray[ii])) { active_lh_line = I_AM_NOT_HUB; break; } } else if (hop > lhconf->maximum) { /* Because "maximum" should be 0 for non-hub links, check whether * there is a hub mask -- if not, complain that the server isn't * allowed to hub. */ active_lh_line = lhconf->hub_limit ? MAX_HOPS_EXCEEDED : NOT_ALLOWED_TO_HUB; } else if (lhconf->hub_limit && match(lhconf->hub_limit, host)) { struct Client *ac3ptr; active_lh_line = NOT_ALLOWED_TO_HUB; if (junction) for (ac3ptr = sptr; ac3ptr != &me; ac3ptr = cli_serv(ac3ptr)->up) if (IsJunction(ac3ptr)) { LHcptr = ac3ptr; break; } } /* * We want to find IsConnecting() and IsHandshake() too, * use FindClient(). * The second finds collisions with numeric representation of existing * servers - these shouldn't happen anymore when all upgraded to 2.10. * -- Run */ while ((acptr = FindClient(host)) || (numnick && (acptr = FindNServer(numnick)))) { /* * This link is trying feed me a server that I already have * access through another path * * Do not allow Uworld to do this. * Do not allow servers that are juped. * Do not allow servers that have older link timestamps * then this try. * Do not allow servers that use the same numeric as an existing * server, but have a different name. * * If my ircd.conf sucks, I can try to connect to myself: */ if (acptr == &me) return exit_client_msg(cptr, cptr, &me, "nick collision with me (%s), check server number in M:?", host); /* * Detect wrong numeric. */ if (0 != ircd_strcmp(cli_name(acptr), host)) { sendcmdto_serv_butone(&me, CMD_WALLOPS, cptr, ":SERVER Numeric Collision: %s != %s", cli_name(acptr), host); return exit_client_msg(cptr, cptr, &me, "NUMERIC collision between %s and %s." " Is your server numeric correct ?", host, cli_name(acptr)); } /* * Kill our try, if we had one. */ if (IsConnecting(acptr)) { if (active_lh_line == ALLOWED && exit_client(cptr, acptr, &me, "Just connected via another link") == CPTR_KILLED) return CPTR_KILLED; /* * We can have only ONE 'IsConnecting', 'IsHandshake' or * 'IsServer', because new 'IsConnecting's are refused to * the same server if we already had it. */ break; } /* * Avoid other nick collisions... * This is a doubtful test though, what else would it be * when it has a server.name ? */ else if (!IsServer(acptr) && !IsHandshake(acptr)) return exit_client_msg(cptr, cptr, &me, "Nickname %s already exists!", host); /* * Our new server might be a juped server, * or someone trying abuse a second Uworld: */ else if (IsServer(acptr) && (0 == ircd_strncmp(cli_info(acptr), "JUPE", 4) || find_conf_byhost(cli_confs(cptr), cli_name(acptr), CONF_UWORLD))) { if (!IsServer(sptr)) return exit_client(cptr, sptr, &me, cli_info(acptr)); sendcmdto_serv_butone(&me, CMD_WALLOPS, cptr, ":Received :%s SERVER %s from %s !?!", NumServ(cptr), host, cli_name(cptr)); return exit_new_server(cptr, sptr, host, timestamp, "%s", cli_info(acptr)); } /* * Of course we find the handshake this link was before :) */ else if (IsHandshake(acptr) && acptr == cptr) break; /* * Here we have a server nick collision... * We don't want to kill the link that was last /connected, * but we neither want to kill a good (old) link. * Therefor we kill the second youngest link. */ if (1) { struct Client* c2ptr = 0; struct Client* c3ptr = acptr; struct Client* ac2ptr; struct Client* ac3ptr; /* Search youngest link: */ for (ac3ptr = acptr; ac3ptr != &me; ac3ptr = cli_serv(ac3ptr)->up) if (cli_serv(ac3ptr)->timestamp > cli_serv(c3ptr)->timestamp) c3ptr = ac3ptr; if (IsServer(sptr)) { for (ac3ptr = sptr; ac3ptr != &me; ac3ptr = cli_serv(ac3ptr)->up) if (cli_serv(ac3ptr)->timestamp > cli_serv(c3ptr)->timestamp) c3ptr = ac3ptr; } if (timestamp > cli_serv(c3ptr)->timestamp) { c3ptr = 0; c2ptr = acptr; /* Make sure they differ */ } /* Search second youngest link: */ for (ac2ptr = acptr; ac2ptr != &me; ac2ptr = cli_serv(ac2ptr)->up) if (ac2ptr != c3ptr && cli_serv(ac2ptr)->timestamp > (c2ptr ? cli_serv(c2ptr)->timestamp : timestamp)) c2ptr = ac2ptr; if (IsServer(sptr)) { for (ac2ptr = sptr; ac2ptr != &me; ac2ptr = cli_serv(ac2ptr)->up) if (ac2ptr != c3ptr && cli_serv(ac2ptr)->timestamp > (c2ptr ? cli_serv(c2ptr)->timestamp : timestamp)) c2ptr = ac2ptr; } if (c3ptr && timestamp > (c2ptr ? cli_serv(c2ptr)->timestamp : timestamp)) c2ptr = 0; /* If timestamps are equal, decide which link to break * by name. */ if ((c2ptr ? cli_serv(c2ptr)->timestamp : timestamp) == (c3ptr ? cli_serv(c3ptr)->timestamp : timestamp)) { const char *n2, *n2up, *n3, *n3up; if (c2ptr) { n2 = cli_name(c2ptr); n2up = MyConnect(c2ptr) ? cli_name(&me) : cli_name(cli_serv(c2ptr)->up); } else { n2 = host; n2up = IsServer(sptr) ? cli_name(sptr) : cli_name(&me); } if (c3ptr) { n3 = cli_name(c3ptr); n3up = MyConnect(c3ptr) ? cli_name(&me) : cli_name(cli_serv(c3ptr)->up); } else { n3 = host; n3up = IsServer(sptr) ? cli_name(sptr) : cli_name(&me); } if (strcmp(n2, n2up) > 0) n2 = n2up; if (strcmp(n3, n3up) > 0) n3 = n3up; if (strcmp(n3, n2) > 0) { ac2ptr = c2ptr; c2ptr = c3ptr; c3ptr = ac2ptr; } } /* Now squit the second youngest link: */ if (!c2ptr) return exit_new_server(cptr, sptr, host, timestamp, "server %s already exists and is %ld seconds younger.", host, (long)cli_serv(acptr)->timestamp - (long)timestamp); else if (cli_from(c2ptr) == cptr || IsServer(sptr)) { struct Client *killedptrfrom = cli_from(c2ptr); if (active_lh_line != ALLOWED) { /* * If the L: or H: line also gets rid of this link, * we sent just one squit. */ if (LHcptr && a_kills_b_too(LHcptr, c2ptr)) break; /* * If breaking the loop here solves the L: or H: * line problem, we don't squit that. */ if (cli_from(c2ptr) == cptr || (LHcptr && a_kills_b_too(c2ptr, LHcptr))) active_lh_line = ALLOWED; else { /* * If we still have a L: or H: line problem, * we prefer to squit the new server, solving * loop and L:/H: line problem with only one squit. */ LHcptr = 0; break; } } /* * If the new server was introduced by a server that caused a * Ghost less then 20 seconds ago, this is probably also * a Ghost... (20 seconds is more then enough because all * SERVER messages are at the beginning of a net.burst). --Run */ if (CurrentTime - cli_serv(cptr)->ghost < 20) { killedptrfrom = cli_from(acptr); if (exit_client(cptr, acptr, &me, "Ghost loop") == CPTR_KILLED) return CPTR_KILLED; } else if (exit_client_msg(cptr, c2ptr, &me, "Loop <-- %s (new link is %ld seconds younger)", host, (c3ptr ? (long)cli_serv(c3ptr)->timestamp : timestamp) - (long)cli_serv(c2ptr)->timestamp) == CPTR_KILLED) return CPTR_KILLED; /* * Did we kill the incoming server off already ? */ if (killedptrfrom == cptr) return 0; } else { if (active_lh_line != ALLOWED) { if (LHcptr && a_kills_b_too(LHcptr, acptr)) break; if (cli_from(acptr) == cptr || (LHcptr && a_kills_b_too(acptr, LHcptr))) active_lh_line = ALLOWED; else { LHcptr = 0; break; } } /* * We can't believe it is a lagged server message * when it directly connects to us... * kill the older link at the ghost, rather then * at the second youngest link, assuming it isn't * a REAL loop. */ if (ghost) *ghost = CurrentTime; /* Mark that it caused a ghost */ if (exit_client(cptr, acptr, &me, "Ghost") == CPTR_KILLED) return CPTR_KILLED; break; } } } if (active_lh_line != ALLOWED) { if (!LHcptr) LHcptr = sptr; if (active_lh_line == MAX_HOPS_EXCEEDED) { return exit_client_msg(cptr, LHcptr, &me, "Maximum hops exceeded for %s at %s", cli_name(cptr), host); } else if (active_lh_line == NOT_ALLOWED_TO_HUB) { return exit_client_msg(cptr, LHcptr, &me, "%s is not allowed to hub for %s", cli_name(cptr), host); } else /* I_AM_NOT_HUB */ { ServerStats->is_ref++; return exit_client(cptr, LHcptr, &me, "I'm a leaf, define the HUB feature"); } } return 1; } /** Update server start timestamps and TS offsets. * @param[in] cptr Server that just connected. * @param[in] timestamp Current time according to \a cptr. * @param[in] start_timestamp Time that \a cptr started. * @param[in] recv_time Current time as we know it. */ static void check_start_timestamp(struct Client *cptr, time_t timestamp, time_t start_timestamp, time_t recv_time) { Debug((DEBUG_DEBUG, "My start time: %Tu; other's start time: %Tu", cli_serv(&me)->timestamp, start_timestamp)); Debug((DEBUG_DEBUG, "Receive time: %Tu; received timestamp: %Tu; " "difference %ld", recv_time, timestamp, timestamp - recv_time)); if (feature_bool(FEAT_RELIABLE_CLOCK)) { if (start_timestamp < cli_serv(&me)->timestamp) cli_serv(&me)->timestamp = start_timestamp; if (IsUnknown(cptr)) cli_serv(cptr)->timestamp = TStime(); } else if (start_timestamp < cli_serv(&me)->timestamp) { sendto_opmask_butone(0, SNO_OLDSNO, "got earlier start time: " "%Tu < %Tu", start_timestamp, cli_serv(&me)->timestamp); cli_serv(&me)->timestamp = start_timestamp; TSoffset += timestamp - recv_time; sendto_opmask_butone(0, SNO_OLDSNO, "clock adjusted by adding %d", (int)(timestamp - recv_time)); } else if ((start_timestamp > cli_serv(&me)->timestamp) && IsUnknown(cptr)) { cli_serv(cptr)->timestamp = TStime(); } else if (timestamp != recv_time) { /* * Equal start times, we have a collision. Let the connected-to * server decide. This assumes leafs issue more than half of the * connection attempts. */ if (IsUnknown(cptr)) cli_serv(cptr)->timestamp = TStime(); else if (IsHandshake(cptr)) { sendto_opmask_butone(0, SNO_OLDSNO, "clock adjusted by adding %d", (int)(timestamp - recv_time)); TSoffset += timestamp - recv_time; } } } /** Interpret a server's flags. * * @param[in] cptr New server structure. * @param[in] flags String listing server's P10 flags. */ void set_server_flags(struct Client *cptr, const char *flags) { while (*flags) switch (*flags++) { case 'h': SetHub(cptr); break; case 's': SetService(cptr); break; case '6': SetIPv6(cptr); break; case 'o': SetOpLevels(cptr); break; } } /** Handle a SERVER message from an unregistered connection. * * \a parv has the following elements: * \li \a parv[1] is the server name * \li \a parv[2] is the hop count to the server * \li \a parv[3] is the start timestamp for the server * \li \a parv[4] is the link timestamp * \li \a parv[5] is the protocol version (P10 or J10) * \li \a parv[6] is the numnick mask for the server * \li \a parv[7] is a string of flags like +hs to mark hubs and services * \li \a parv[\a parc - 1] is the server description * * See @ref m_functions for discussion of the arguments. * @param[in] cptr Client that sent us the message. * @param[in] sptr Original source of message. * @param[in] parc Number of arguments. * @param[in] parv Argument vector. */ int mr_server(struct Client* cptr, struct Client* sptr, int parc, char* parv[]) { char* host; struct ConfItem* aconf; struct Jupe* ajupe; int hop; int ret; unsigned short prot; time_t start_timestamp; time_t timestamp; time_t recv_time; time_t ghost; if (IsUserPort(cptr)) return exit_client_msg(cptr, cptr, &me, "Cannot connect a server to a user port"); if (parc < 8) { need_more_params(sptr, "SERVER"); return exit_client(cptr, cptr, &me, "Need more parameters"); } host = clean_servername(parv[1]); if (!host) { sendto_opmask_butone(0, SNO_OLDSNO, "Bogus server name (%s) from %s", host, cli_name(cptr)); return exit_client_msg(cptr, cptr, &me, "Bogus server name (%s)", host); } if ((ajupe = jupe_find(host)) && JupeIsActive(ajupe)) return exit_client_msg(cptr, sptr, &me, "Juped: %s", JupeReason(ajupe)); /* check connection rules */ if (0 != conf_eval_crule(host, CRULE_ALL)) { ServerStats->is_ref++; sendto_opmask_butone(0, SNO_OLDSNO, "Refused connection from %s.", cli_name(cptr)); return exit_client(cptr, cptr, &me, "Disallowed by connection rule"); } log_write(LS_NETWORK, L_NOTICE, LOG_NOSNOTICE, "SERVER: %s %s[%s]", host, cli_sockhost(cptr), cli_sock_ip(cptr)); /* * Detect protocol */ hop = atoi(parv[2]); start_timestamp = atoi(parv[3]); timestamp = atoi(parv[4]); prot = parse_protocol(parv[5]); if (!prot) return exit_client_msg(cptr, sptr, &me, "Bogus protocol (%s)", parv[5]); else if (prot < atoi(MINOR_PROTOCOL)) return exit_new_server(cptr, sptr, host, timestamp, "Incompatible protocol: %s", parv[5]); Debug((DEBUG_INFO, "Got SERVER %s with timestamp [%s] age %Tu (%Tu)", host, parv[4], start_timestamp, cli_serv(&me)->timestamp)); if (timestamp < OLDEST_TS || start_timestamp < OLDEST_TS) return exit_client_msg(cptr, sptr, &me, "Bogus timestamps (%s %s)", parv[3], parv[4]); /* If the server had a different name before, change it. */ if (!EmptyString(cli_name(cptr)) && (IsUnknown(cptr) || IsHandshake(cptr)) && 0 != ircd_strcmp(cli_name(cptr), host)) hChangeClient(cptr, host); ircd_strncpy(cli_name(cptr), host, HOSTLEN + 1); ircd_strncpy(cli_info(cptr), parv[parc-1][0] ? parv[parc-1] : cli_name(&me), REALLEN + 1); cli_hopcount(cptr) = hop; if (conf_check_server(cptr)) { ++ServerStats->is_ref; sendto_opmask_butone(0, SNO_OLDSNO, "Received unauthorized connection " "from %s.", cli_name(cptr)); log_write(LS_NETWORK, L_NOTICE, LOG_NOSNOTICE, "Received unauthorized " "connection from %C [%s]", cptr, ircd_ntoa(&cli_ip(cptr))); return exit_client(cptr, cptr, &me, "No Connect block"); } host = cli_name(cptr); update_load(); if (!(aconf = find_conf_byname(cli_confs(cptr), host, CONF_SERVER))) { ++ServerStats->is_ref; sendto_opmask_butone(0, SNO_OLDSNO, "Access denied. No conf line for " "server %s", cli_name(cptr)); return exit_client_msg(cptr, cptr, &me, "Access denied. No conf line for server %s", cli_name(cptr)); } if (!verify_sslclifp(cptr, aconf)) { ++ServerStats->is_ref; sendto_opmask_butone(0, SNO_OLDSNO, "Access denied (SSL fingerprint mismatch) %s", cli_name(cptr)); return exit_client_msg(cptr, cptr, &me, "No Access (SSL fingerprint mismatch) %s", cli_name(cptr)); } if (*aconf->passwd && !!strcmp(aconf->passwd, cli_passwd(cptr))) { ++ServerStats->is_ref; sendto_opmask_butone(0, SNO_OLDSNO, "Access denied (passwd mismatch) %s", cli_name(cptr)); return exit_client_msg(cptr, cptr, &me, "No Access (passwd mismatch) %s", cli_name(cptr)); } memset(cli_passwd(cptr), 0, sizeof(cli_passwd(cptr))); ret = check_loop_and_lh(cptr, sptr, &ghost, host, (parc > 7 ? parv[6] : NULL), timestamp, hop, 1); if (ret != 1) return ret; make_server(cptr); cli_serv(cptr)->timestamp = timestamp; cli_serv(cptr)->prot = prot; cli_serv(cptr)->ghost = ghost; memset(&cli_privs(cptr), 255, sizeof(struct Privs)); ClrPriv(cptr, PRIV_SET); SetServerYXX(cptr, cptr, parv[6]); /* Attach any necessary UWorld config items. */ attach_confs_byhost(cptr, host, CONF_UWORLD); if (*parv[7] == '+') set_server_flags(cptr, parv[7] + 1); recv_time = TStime(); check_start_timestamp(cptr, timestamp, start_timestamp, recv_time); ret = server_estab(cptr, aconf); if (feature_bool(FEAT_RELIABLE_CLOCK) && labs(cli_serv(cptr)->timestamp - recv_time) > 30) { sendto_opmask_butone(0, SNO_OLDSNO, "Connected to a net with a " "timestamp-clock difference of %Td seconds! " "Used SETTIME to correct this.", timestamp - recv_time); sendcmdto_prio_one(&me, CMD_SETTIME, cptr, "%Tu :%s", TStime(), cli_name(&me)); } return ret; } /** Handle a SERVER message from another server. * * \a parv has the following elements: * \li \a parv[1] is the server name * \li \a parv[2] is the hop count to the server * \li \a parv[3] is the start timestamp for the server * \li \a parv[4] is the link timestamp * \li \a parv[5] is the protocol version (P10 or J10) * \li \a parv[6] is the numnick mask for the server * \li \a parv[7] is a string of flags like +hs to mark hubs and services * \li \a parv[\a parc - 1] is the server description * * See @ref m_functions for discussion of the arguments. * @param[in] cptr Client that sent us the message. * @param[in] sptr Original source of message. * @param[in] parc Number of arguments. * @param[in] parv Argument vector. */ int ms_server(struct Client* cptr, struct Client* sptr, int parc, char* parv[]) { int i; char* host; struct Client* acptr; struct Client* bcptr; int hop; int ret; unsigned short prot; time_t timestamp; if (parc < 8) { return need_more_params(sptr, "SERVER"); return exit_client(cptr, cptr, &me, "Need more parameters"); } host = clean_servername(parv[1]); if (!host) { sendto_opmask_butone(0, SNO_OLDSNO, "Bogus server name (%s) from %s", host, cli_name(cptr)); return exit_client_msg(cptr, cptr, &me, "Bogus server name (%s)", host); } /* * Detect protocol */ hop = atoi(parv[2]); timestamp = atoi(parv[4]); prot = parse_protocol(parv[5]); if (!prot) return exit_client_msg(cptr, sptr, &me, "Bogus protocol (%s)", parv[5]); else if (prot < atoi(MINOR_PROTOCOL)) return exit_new_server(cptr, sptr, host, timestamp, "Incompatible protocol: %s", parv[5]); Debug((DEBUG_INFO, "Got SERVER %s with timestamp [%s] age %Tu (%Tu)", host, parv[4], (time_t)atoi(parv[3]), cli_serv(&me)->timestamp)); if (timestamp < OLDEST_TS) return exit_client_msg(cptr, sptr, &me, "Bogus timestamps (%s %s)", parv[3], parv[4]); if (parv[parc - 1][0] == '\0') return exit_client_msg(cptr, cptr, &me, "No server info specified for %s", host); ret = check_loop_and_lh(cptr, sptr, NULL, host, (parc > 7 ? parv[6] : NULL), timestamp, hop, parv[5][0] == 'J'); if (ret != 1) return ret; /* * Server is informing about a new server behind * this link. Create REMOTE server structure, * add it to list and propagate word to my other * server links... */ acptr = make_client(cptr, STAT_SERVER); make_server(acptr); cli_serv(acptr)->prot = prot; cli_serv(acptr)->timestamp = timestamp; cli_hopcount(acptr) = hop; ircd_strncpy(cli_name(acptr), host, HOSTLEN + 1); ircd_strncpy(cli_info(acptr), parv[parc-1], REALLEN + 1); cli_serv(acptr)->up = sptr; cli_serv(acptr)->updown = add_dlink(&(cli_serv(sptr))->down, acptr); /* Use cptr, because we do protocol 9 -> 10 translation for numeric nicks ! */ SetServerYXX(cptr, acptr, parv[6]); /* Attach any necessary UWorld config items. */ attach_confs_byhost(cptr, host, CONF_UWORLD); if (*parv[7] == '+') set_server_flags(acptr, parv[7] + 1); Count_newremoteserver(UserStats); if (Protocol(acptr) < 10) SetFlag(acptr, FLAG_TS8); add_client_to_list(acptr); hAddClient(acptr); if (*parv[5] == 'J') { SetBurst(acptr); SetJunction(acptr); for (bcptr = cli_serv(acptr)->up; !IsMe(bcptr); bcptr = cli_serv(bcptr)->up) if (IsBurstOrBurstAck(bcptr)) break; if (IsMe(bcptr)) sendto_opmask_butone(0, SNO_NETWORK, "Net junction: %s %s", cli_name(sptr), cli_name(acptr)); } /* * Old sendto_serv_but_one() call removed because we now need to send * different names to different servers (domain name matching). */ for (i = 0; i <= HighestFd; i++) { if (!(bcptr = LocalClientArray[i]) || !IsServer(bcptr) || bcptr == cptr || IsMe(bcptr)) continue; if (0 == match(cli_name(&me), cli_name(acptr))) continue; sendcmdto_one(sptr, CMD_SERVER, bcptr, "%s %d 0 %s %s %s%s +%s%s%s%s :%s", cli_name(acptr), hop + 1, parv[4], parv[5], NumServCap(acptr), IsHub(acptr) ? "h" : "", IsService(acptr) ? "s" : "", IsIPv6(acptr) ? "6" : "", IsOpLevels(acptr) ? "o" : "", cli_info(acptr)); } return 0; }