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root/svn/ircd-hybrid/trunk/src/server.c
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Comparing ircd-hybrid/src/s_serv.c (file contents):
Revision 31 by knight, Sun Oct 2 20:34:05 2005 UTC vs.
Revision 1155 by michael, Tue Aug 9 20:27:45 2011 UTC

# Line 27 | Line 27
27   #include <openssl/rsa.h>
28   #include "rsa.h"
29   #endif
30 < #include "tools.h"
30 > #include "list.h"
31   #include "channel.h"
32   #include "channel_mode.h"
33   #include "client.h"
# Line 37 | Line 37
37   #include "fdlist.h"
38   #include "hash.h"
39   #include "irc_string.h"
40 #include "inet_misc.h"
40   #include "sprintf_irc.h"
41   #include "ircd.h"
42   #include "ircd_defs.h"
43   #include "s_bsd.h"
45 #include "irc_getnameinfo.h"
46 #include "list.h"
44   #include "numeric.h"
45   #include "packet.h"
46   #include "irc_res.h"
47   #include "s_conf.h"
48   #include "s_serv.h"
49   #include "s_log.h"
53 #include "s_stats.h"
50   #include "s_user.h"
51   #include "send.h"
52   #include "memory.h"
# Line 58 | Line 54
54  
55   #define MIN_CONN_FREQ 300
56  
61 struct Client *uplink  = NULL;
62
63
57   static dlink_list cap_list = { NULL, NULL, 0 };
65 static unsigned long freeMask;
58   static void server_burst(struct Client *);
59   static int fork_server(struct Client *);
60   static void burst_all(struct Client *);
69 static void cjoin_all(struct Client *);
61   static void send_tb(struct Client *client_p, struct Channel *chptr);
62  
63   static CNCB serv_connect_callback;
64  
65   static void start_io(struct Client *);
66   static void burst_members(struct Client *, struct Channel *);
76 static void burst_ll_members(struct Client *, struct Channel *);
77 static void add_lazylinkchannel(struct Client *, struct Channel *);
67  
68   static SlinkRplHnd slink_error;
69   static SlinkRplHnd slink_zipstats;
# Line 135 | Line 124 | slink_zipstats(unsigned int rpl, unsigne
124                 struct Client *server_p)
125   {
126    struct ZipStats zipstats;
127 <  unsigned long in = 0, in_wire = 0, out = 0, out_wire = 0;
127 >  uint64_t in = 0, in_wire = 0, out = 0, out_wire = 0;
128    int i = 0;
129  
130    assert(rpl == SLINKRPL_ZIPSTATS);
# Line 195 | Line 184 | slink_zipstats(unsigned int rpl, unsigne
184    else
185      zipstats.out_ratio = 0;
186  
187 <  memcpy(&server_p->localClient->zipstats, &zipstats, sizeof (struct ZipStats));
187 >  memcpy(&server_p->localClient->zipstats, &zipstats, sizeof(struct ZipStats));
188   }
189  
190   void
191   collect_zipstats(void *unused)
192   {
193 <  dlink_node *ptr;
205 <  struct Client *target_p;
193 >  dlink_node *ptr = NULL;
194  
195    DLINK_FOREACH(ptr, serv_list.head)
196    {
197 <    target_p = ptr->data;
197 >    struct Client *target_p = ptr->data;
198  
199      if (IsCapable(target_p, CAP_ZIP))
200      {
# Line 227 | Line 215 | collect_zipstats(void *unused)
215   struct EncCapability *
216   check_cipher(struct Client *client_p, struct AccessItem *aconf)
217   {
218 <  struct EncCapability *epref;
218 >  struct EncCapability *epref = NULL;
219  
220    /* Use connect{} specific info if available */
221    if (aconf->cipher_preference)
222      epref = aconf->cipher_preference;
223 <  else
223 >  else if (ConfigFileEntry.default_cipher_preference)
224      epref = ConfigFileEntry.default_cipher_preference;
225  
226 <  /* If the server supports the capability in hand, return the matching
226 >  /*
227 >   * If the server supports the capability in hand, return the matching
228     * conf struct.  Otherwise, return NULL (an error).
229     */
230 <  if (IsCapableEnc(client_p, epref->cap))
231 <    return(epref);
230 >  if (epref && IsCapableEnc(client_p, epref->cap))
231 >    return epref;
232  
233 <  return(NULL);
233 >  return NULL;
234   }
235   #endif /* HAVE_LIBCRYPTO */
236  
248 /* my_name_for_link()
249 * return wildcard name of my server name
250 * according to given config entry --Jto
251 */
252 const char *
253 my_name_for_link(struct ConfItem *conf)
254 {
255  struct AccessItem *aconf;
256
257  aconf = (struct AccessItem *)map_to_conf(conf);
258  if (aconf->fakename != NULL)
259    return(aconf->fakename);
260  else
261    return(me.name);
262 }
263
237   /*
238   * write_links_file
239   *
# Line 457 | Line 430 | hunt_server(struct Client *client_p, str
430      if (!match(target_p->name, parv[server]))
431        parv[server] = target_p->name;
432  
460    /* Deal with lazylinks */
461    client_burst_if_needed(target_p, source_p);
462
433      /* This is a little kludgy but should work... */
434      if (IsClient(source_p) &&
435          ((MyConnect(target_p) && IsCapable(target_p, CAP_TS6)) ||
# Line 503 | Line 473 | try_connections(void *unused)
473    DLINK_FOREACH(ptr, server_items.head)
474    {
475      conf = ptr->data;
476 <    aconf = (struct AccessItem *)map_to_conf(conf);
476 >    aconf = map_to_conf(conf);
477  
478      /* Also when already connecting! (update holdtimes) --SRB
479       */
480 <    if (!(aconf->status & CONF_SERVER) || aconf->port <= 0 ||
480 >    if (!(aconf->status & CONF_SERVER) || !aconf->port ||
481          !(IsConfAllowAutoConn(aconf)))
482        continue;
483  
484 <    cltmp = (struct ClassItem *)map_to_conf(aconf->class_ptr);
484 >    cltmp = map_to_conf(aconf->class_ptr);
485  
486      /* Skip this entry if the use of it is still on hold until
487       * future. Otherwise handle this entry (and set it on hold
# Line 574 | Line 544 | try_connections(void *unused)
544   }
545  
546   int
547 + valid_servname(const char *name)
548 + {
549 +  unsigned int length = 0;
550 +  unsigned int dots   = 0;
551 +  const char *p = name;
552 +
553 +  for (; *p; ++p)
554 +  {
555 +    if (!IsServChar(*p))
556 +      return 0;
557 +
558 +    ++length;
559 +
560 +    if (*p == '.')
561 +      ++dots;
562 +  }
563 +
564 +  return dots != 0 && length <= HOSTLEN;
565 + }
566 +
567 + int
568   check_server(const char *name, struct Client *client_p, int cryptlink)
569   {
570    dlink_node *ptr;
# Line 595 | Line 586 | check_server(const char *name, struct Cl
586    DLINK_FOREACH(ptr, server_items.head)
587    {
588      conf = ptr->data;
589 <    aconf = (struct AccessItem *)map_to_conf(conf);
589 >    aconf = map_to_conf(conf);
590  
591      if (!match(name, conf->name))
592        continue;
# Line 665 | Line 656 | check_server(const char *name, struct Cl
656      attach_conf(client_p, conf);
657    }
658  
659 <  server_aconf = (struct AccessItem *)map_to_conf(server_conf);
659 >  server_aconf = map_to_conf(server_conf);
660  
670  if (!IsConfLazyLink(server_aconf))
671    ClearCap(client_p, CAP_LL);
661   #ifdef HAVE_LIBZ /* otherwise, clear it unconditionally */
662    if (!IsConfCompressed(server_aconf))
663   #endif
# Line 676 | Line 665 | check_server(const char *name, struct Cl
665    if (!IsConfCryptLink(server_aconf))
666      ClearCap(client_p, CAP_ENC);
667    if (!IsConfTopicBurst(server_aconf))
668 +  {
669      ClearCap(client_p, CAP_TB);
670 +    ClearCap(client_p, CAP_TBURST);
671 +  }
672  
681  /* Don't unset CAP_HUB here even if the server isn't a hub,
682   * it only indicates if the server thinks it's lazylinks are
683   * leafs or not.. if you unset it, bad things will happen
684   */
673    if (aconf != NULL)
674    {
675      struct sockaddr_in *v4;
# Line 722 | Line 710 | check_server(const char *name, struct Cl
710   void
711   add_capability(const char *capab_name, int cap_flag, int add_to_default)
712   {
713 <  struct Capability *cap;
713 >  struct Capability *cap = MyMalloc(sizeof(*cap));
714  
727  cap = (struct Capability *)MyMalloc(sizeof(*cap));
715    DupString(cap->name, capab_name);
716    cap->cap = cap_flag;
717    dlinkAdd(cap, &cap->node, &cap_list);
718 +
719    if (add_to_default)
720      default_server_capabs |= cap_flag;
721   }
# Line 762 | Line 750 | delete_capability(const char *capab_name
750      }
751    }
752  
753 <  return(0);
753 >  return 0;
754   }
755  
756   /*
# Line 775 | Line 763 | delete_capability(const char *capab_name
763   int
764   find_capability(const char *capab)
765   {
766 <  dlink_node *ptr;
779 <  struct Capability *cap;
766 >  const dlink_node *ptr = NULL;
767  
768    DLINK_FOREACH(ptr, cap_list.head)
769    {
770 <    cap = ptr->data;
770 >    const struct Capability *cap = ptr->data;
771  
772 <    if (cap->cap != 0)
773 <    {
787 <      if (irccmp(cap->name, capab) == 0)
788 <        return(cap->cap);
789 <    }
772 >    if (cap->cap && !irccmp(cap->name, capab))
773 >      return cap->cap;
774    }
775 <  return(0);
775 >
776 >  return 0;
777   }
778  
779   /* send_capabilities()
# Line 811 | Line 796 | send_capabilities(struct Client *client_
796    int tl;
797    dlink_node *ptr;
798   #ifdef HAVE_LIBCRYPTO
799 <  struct EncCapability *epref;
799 >  const struct EncCapability *epref = NULL;
800    char *capend;
801    int sent_cipher = 0;
802   #endif
# Line 838 | Line 823 | send_capabilities(struct Client *client_
823      /* use connect{} specific info if available */
824      if (aconf->cipher_preference)
825        epref = aconf->cipher_preference;
826 <    else
826 >    else if (ConfigFileEntry.default_cipher_preference)
827        epref = ConfigFileEntry.default_cipher_preference;
828  
829 <    if ((epref->cap & enc_can_send))
829 >    if (epref && (epref->cap & enc_can_send))
830      {
831        /* Leave the space -- it is removed later. */
832        tl = ircsprintf(t, "%s ", epref->name);
# Line 853 | Line 838 | send_capabilities(struct Client *client_
838        t = capend; /* truncate string before ENC:, below */
839    }
840   #endif
841 <  *(t-1) = '\0';
841 >  *(t - 1) = '\0';
842    sendto_one(client_p, "CAPAB :%s", msgbuf);
843   }
844  
845   /* sendnick_TS()
846   *
847   * inputs       - client (server) to send nick towards
848 < *              - client to send nick for
848 > *          - client to send nick for
849   * output       - NONE
850   * side effects - NICK message is sent towards given client_p
851   */
# Line 885 | Line 870 | sendnick_TS(struct Client *client_p, str
870    if (HasID(target_p) && IsCapable(client_p, CAP_TS6))
871      sendto_one(client_p, ":%s UID %s %d %lu %s %s %s %s %s :%s",
872                 target_p->servptr->id,
873 <               target_p->name, target_p->hopcount + 1,
874 <               (unsigned long) target_p->tsinfo,
875 <               ubuf, target_p->username, target_p->host,
876 <           ((MyClient(target_p)&&!IsIPSpoof(target_p))?target_p->sockhost:"0"),
877 <           target_p->id, target_p->info);
873 >               target_p->name, target_p->hopcount + 1,
874 >               (unsigned long) target_p->tsinfo,
875 >               ubuf, target_p->username, target_p->host,
876 >               (MyClient(target_p) && IsIPSpoof(target_p)) ?
877 >               "0" : target_p->sockhost, target_p->id, target_p->info);
878    else
879      sendto_one(client_p, "NICK %s %d %lu %s %s %s %s :%s",
880                 target_p->name, target_p->hopcount + 1,
881                 (unsigned long) target_p->tsinfo,
882                 ubuf, target_p->username, target_p->host,
883                 target_p->servptr->name, target_p->info);
884 +
885    if (IsConfAwayBurst((struct AccessItem *)map_to_conf(client_p->serv->sconf)))
886      if (!EmptyString(target_p->away))
887        sendto_one(client_p, ":%s AWAY :%s", target_p->name,
# Line 903 | Line 889 | sendnick_TS(struct Client *client_p, str
889  
890   }
891  
906 /* client_burst_if_needed()
907 *
908 * inputs       - pointer to server
909 *              - pointer to client to add
910 * output       - NONE
911 * side effects - If this client is not known by this lazyleaf, send it
912 */
913 void
914 client_burst_if_needed(struct Client *client_p, struct Client *target_p)
915 {
916  if (!ServerInfo.hub)
917    return;
918  if (!MyConnect(client_p))
919    return;
920  if (!IsCapable(client_p,CAP_LL))
921    return;
922
923  if ((target_p->lazyLinkClientExists & client_p->localClient->serverMask) == 0)
924  {
925    sendnick_TS(client_p, target_p);
926    add_lazylinkclient(client_p,target_p);
927  }
928 }
929
892   /*
893   * show_capabilities - show current server capabilities
894   *
# Line 973 | Line 935 | struct Server *
935   make_server(struct Client *client_p)
936   {
937    if (client_p->serv == NULL)
976  {
938      client_p->serv = MyMalloc(sizeof(struct Server));
978    client_p->serv->dep_servers = 1;
979  }
939  
940    return client_p->serv;
941   }
# Line 996 | Line 955 | server_estab(struct Client *client_p)
955    char *host;
956    const char *inpath;
957    static char inpath_ip[HOSTLEN * 2 + USERLEN + 6];
999  dlink_node *m;
958    dlink_node *ptr;
959  
960    assert(client_p != NULL);
# Line 1029 | Line 987 | server_estab(struct Client *client_p)
987    {
988      if (client_p != serv_list.head->data || serv_list.head->next)
989      {
990 <      ServerStats->is_ref++;
990 >      ++ServerStats.is_ref;
991        sendto_one(client_p, "ERROR :I'm a leaf not a hub");
992        exit_client(client_p, &me, "I'm a leaf");
993        return;
994      }
995    }
996  
997 <  aconf = (struct AccessItem *)map_to_conf(conf);
997 >  aconf = map_to_conf(conf);
998  
999    if (IsUnknown(client_p) && !IsConfCryptLink(aconf))
1000    {
# Line 1044 | Line 1002 | server_estab(struct Client *client_p)
1002       *        2.  Check aconf->spasswd, not aconf->passwd.
1003       */
1004      if (!EmptyString(aconf->spasswd))
1005 <    {
1006 <      /* only send ts6 format PASS if we have ts6 enabled */
1049 <    if (me.id[0] != '\0')               /* Send TS 6 form only if id */
1050 <        sendto_one(client_p, "PASS %s TS %d %s",
1051 <                   aconf->spasswd, TS_CURRENT, me.id);
1052 <      else
1053 <        sendto_one(client_p, "PASS %s TS 5",
1054 <                   aconf->spasswd);
1055 <    }
1005 >      sendto_one(client_p, "PASS %s TS %d %s",
1006 >                 aconf->spasswd, TS_CURRENT, me.id);
1007  
1008      /* Pass my info to the new server
1009       *
1059     * If trying to negotiate LazyLinks, pass on CAP_LL
1060     * If this is a HUB, pass on CAP_HUB
1010       * Pass on ZIP if supported
1011       * Pass on TB if supported.
1012       * - Dianora
1013       */
1014  
1015 <     send_capabilities(client_p, aconf,
1016 <       (IsConfLazyLink(aconf) ? find_capability("LL") : 0)
1017 <       | (IsConfCompressed(aconf) ? find_capability("ZIP") : 0)
1069 <       | (IsConfTopicBurst(aconf) ? find_capability("TB") : 0)
1070 <       , 0);
1015 >    send_capabilities(client_p, aconf,
1016 >      (IsConfCompressed(aconf) ? CAP_ZIP : 0)
1017 >      | (IsConfTopicBurst(aconf) ? CAP_TBURST|CAP_TB : 0), 0);
1018  
1019      /* SERVER is the last command sent before switching to ziplinks.
1020       * We set TCPNODELAY on the socket to make sure it gets sent out
# Line 1080 | Line 1027 | server_estab(struct Client *client_p)
1027       * Nagle is already disabled at this point --adx
1028       */
1029      sendto_one(client_p, "SERVER %s 1 :%s%s",
1030 <               my_name_for_link(conf),
1084 <               ConfigServerHide.hidden ? "(H) " : "",
1085 <               (me.info[0]) ? (me.info) : "IRCers United");
1030 >               me.name, ConfigServerHide.hidden ? "(H) " : "", me.info);
1031      send_queued_write(client_p);
1032    }
1033  
# Line 1106 | Line 1051 | server_estab(struct Client *client_p)
1051      SetServlink(client_p);
1052    }
1053  
1054 <  /* only send ts6 format SVINFO if we have ts6 enabled */
1110 <  sendto_one(client_p, "SVINFO %d %d 0 :%lu",
1111 <             (me.id[0] ? TS_CURRENT : 5), TS_MIN,
1054 >  sendto_one(client_p, "SVINFO %d %d 0 :%lu", TS_CURRENT, TS_MIN,
1055               (unsigned long)CurrentTime);
1056  
1057    /* assumption here is if they passed the correct TS version, they also passed an SID */
# Line 1140 | Line 1083 | server_estab(struct Client *client_p)
1083    set_chcap_usage_counts(client_p);
1084  
1085    /* Some day, all these lists will be consolidated *sigh* */
1086 <  dlinkAdd(client_p, &client_p->lnode, &me.serv->servers);
1086 >  dlinkAdd(client_p, &client_p->lnode, &me.serv->server_list);
1087  
1088 <  m = dlinkFind(&unknown_list, client_p);
1146 <  assert(NULL != m);
1088 >  assert(dlinkFind(&unknown_list, client_p));
1089  
1090 <  dlinkDelete(m, &unknown_list);
1091 <  dlinkAdd(client_p, m, &serv_list);
1090 >  dlink_move_node(&client_p->localClient->lclient_node,
1091 >                  &unknown_list, &serv_list);
1092  
1093    Count.myserver++;
1094  
# Line 1194 | Line 1136 | server_estab(struct Client *client_p)
1136      if (target_p == client_p)
1137        continue;
1138  
1197    if ((conf = target_p->serv->sconf) &&
1198         match(my_name_for_link(conf), client_p->name))
1199      continue;
1200
1139      if (IsCapable(target_p, CAP_TS6) && HasID(client_p))
1140        sendto_one(target_p, ":%s SID %s 2 %s :%s%s",
1141                   me.id, client_p->name, client_p->id,
# Line 1228 | Line 1166 | server_estab(struct Client *client_p)
1166    **    is destroyed...)
1167    */
1168  
1231  conf = client_p->serv->sconf;
1232
1169    DLINK_FOREACH_PREV(ptr, global_serv_list.tail)
1170    {
1171      target_p = ptr->data;
1172  
1173      /* target_p->from == target_p for target_p == client_p */
1174 <    if (target_p->from == client_p)
1239 <      continue;
1240 <
1241 <    if (match(my_name_for_link(conf), target_p->name))
1174 >    if (IsMe(target_p) || target_p->from == client_p)
1175        continue;
1176  
1177      if (IsCapable(client_p, CAP_TS6))
# Line 1259 | Line 1192 | server_estab(struct Client *client_p)
1192                   IsHidden(target_p) ? "(H) " : "", target_p->info);
1193    }
1194  
1262  if ((ServerInfo.hub == 0) && MyConnect(client_p))
1263    uplink = client_p;
1264
1195    server_burst(client_p);
1196   }
1197  
# Line 1339 | Line 1269 | start_io(struct Client *server)
1269      memcpy(buf, &block->data[0], block->size);
1270      buf += block->size;
1271    }
1272 +
1273    dbuf_clear(&lserver->buf_recvq);
1274  
1275    /* pass the whole sendq to servlink */
# Line 1351 | Line 1282 | start_io(struct Client *server)
1282      memcpy(buf, &block->data[0], block->size);
1283      buf += block->size;
1284    }
1285 +
1286    dbuf_clear(&lserver->buf_sendq);
1287  
1288    /* start io */
# Line 1457 | Line 1389 | server_burst(struct Client *client_p)
1389    ** -orabidoo
1390    */
1391  
1392 <  /* On a "lazy link" hubs send nothing.
1461 <   * Leafs always have to send nicks plus channels
1462 <   */
1463 <  if (IsCapable(client_p, CAP_LL))
1464 <  {
1465 <    if (!ServerInfo.hub)
1466 <    {
1467 <      /* burst all our info */
1468 <      burst_all(client_p);
1469 <
1470 <      /* Now, ask for channel info on all our current channels */
1471 <      cjoin_all(client_p);
1472 <    }
1473 <  }
1474 <  else
1475 <  {
1476 <    burst_all(client_p);
1477 <  }
1392 >  burst_all(client_p);
1393  
1394    /* EOB stuff is now in burst_all */
1395    /* Always send a PING after connect burst is done */
# Line 1490 | Line 1405 | server_burst(struct Client *client_p)
1405   static void
1406   burst_all(struct Client *client_p)
1407   {
1408 <  struct Client *target_p;
1494 <  struct Channel *chptr;
1495 <  dlink_node *gptr;
1496 <  dlink_node *ptr;
1408 >  dlink_node *ptr = NULL;
1409  
1410 <  DLINK_FOREACH(gptr, global_channel_list.head)
1410 >  DLINK_FOREACH(ptr, global_channel_list.head)
1411    {
1412 <    chptr = gptr->data;
1412 >    struct Channel *chptr = ptr->data;
1413  
1414      if (dlink_list_length(&chptr->members) != 0)
1415      {
1416        burst_members(client_p, chptr);
1417        send_channel_modes(client_p, chptr);
1418 <      if (IsCapable(client_p, CAP_TB))
1418 >
1419 >      if (IsCapable(client_p, CAP_TBURST) ||
1420 >          IsCapable(client_p, CAP_TB))
1421          send_tb(client_p, chptr);
1422      }
1423    }
# Line 1512 | Line 1426 | burst_all(struct Client *client_p)
1426     */
1427    DLINK_FOREACH(ptr, global_client_list.head)
1428    {
1429 <    target_p = ptr->data;
1429 >    struct Client *target_p = ptr->data;
1430  
1431      if (!IsBursted(target_p) && target_p->from != client_p)
1432        sendnick_TS(client_p, target_p);
# Line 1531 | Line 1445 | burst_all(struct Client *client_p)
1445   /*
1446   * send_tb
1447   *
1448 < * inputs       - pointer to Client
1449 < *              - pointer to channel
1536 < * output       - NONE
1537 < * side effects - Called on a server burst when
1538 < *                server is CAP_TB capable
1539 < */
1540 < static void
1541 < send_tb(struct Client *client_p, struct Channel *chptr)
1542 < {
1543 <  if (chptr->topic != NULL && IsCapable(client_p, CAP_TB))
1544 <  {
1545 <    if (ConfigChannel.burst_topicwho)
1546 <    {
1547 <      sendto_one(client_p, ":%s TB %s %lu %s :%s",
1548 <                 me.name, chptr->chname,
1549 <                 (unsigned long)chptr->topic_time,
1550 <                 chptr->topic_info, chptr->topic);
1551 <    }
1552 <    else
1553 <    {
1554 <      sendto_one(client_p, ":%s TB %s %lu :%s",
1555 <                 me.name, chptr->chname,
1556 <                 (unsigned long)chptr->topic_time, chptr->topic);
1557 <    }
1558 <  }
1559 < }
1560 <
1561 < /* cjoin_all()
1562 < *
1563 < * inputs       - server to ask for channel info from
1448 > * inputs       - pointer to Client
1449 > *              - pointer to channel
1450   * output       - NONE
1451 < * side effects - CJOINS for all the leafs known channels is sent
1452 < */
1567 < static void
1568 < cjoin_all(struct Client *client_p)
1569 < {
1570 <  const dlink_node *gptr = NULL;
1571 <
1572 <  DLINK_FOREACH(gptr, global_channel_list.head)
1573 <  {
1574 <    const struct Channel *chptr = gptr->data;
1575 <    sendto_one(client_p, ":%s CBURST %s",
1576 <               me.name, chptr->chname);
1577 <  }
1578 < }
1579 <
1580 < /* burst_channel()
1581 < *
1582 < * inputs       - pointer to server to send sjoins to
1583 < *              - channel pointer
1584 < * output       - none
1585 < * side effects - All sjoins for channel(s) given by chptr are sent
1586 < *                for all channel members. ONLY called by hub on
1587 < *                behalf of a lazylink so client_p is always guarunteed
1588 < *                to be a LL leaf.
1589 < */
1590 < void
1591 < burst_channel(struct Client *client_p, struct Channel *chptr)
1592 < {
1593 <  burst_ll_members(client_p, chptr);
1594 <
1595 <  send_channel_modes(client_p, chptr);
1596 <  add_lazylinkchannel(client_p,chptr);
1597 <
1598 <  if (chptr->topic != NULL && chptr->topic_info != NULL)
1599 <  {
1600 <    sendto_one(client_p, ":%s TOPIC %s %s %lu :%s",
1601 <               me.name, chptr->chname, chptr->topic_info,
1602 <               (unsigned long)chptr->topic_time, chptr->topic);
1603 <  }
1604 < }
1605 <
1606 < /* add_lazlinkchannel()
1607 < *
1608 < * inputs       - pointer to directly connected leaf server
1609 < *                being introduced to this hub
1610 < *              - pointer to channel structure being introduced
1611 < * output       - NONE
1612 < * side effects - The channel pointed to by chptr is now known
1613 < *                to be on lazyleaf server given by local_server_p.
1614 < *                mark that in the bit map and add to the list
1615 < *                of channels to examine after this newly introduced
1616 < *                server is squit off.
1451 > * side effects - Called on a server burst when
1452 > *                server is CAP_TB|CAP_TBURST capable
1453   */
1454   static void
1455 < add_lazylinkchannel(struct Client *local_server_p, struct Channel *chptr)
1620 < {
1621 <  assert(MyConnect(local_server_p));
1622 <
1623 <  chptr->lazyLinkChannelExists |= local_server_p->localClient->serverMask;
1624 <  dlinkAdd(chptr, make_dlink_node(), &lazylink_channels);
1625 < }
1626 <
1627 < /* add_lazylinkclient()
1628 < *
1629 < * inputs       - pointer to directly connected leaf server
1630 < *                being introduced to this hub
1631 < *              - pointer to client being introduced
1632 < * output       - NONE
1633 < * side effects - The client pointed to by client_p is now known
1634 < *                to be on lazyleaf server given by local_server_p.
1635 < *                mark that in the bit map and add to the list
1636 < *                of clients to examine after this newly introduced
1637 < *                server is squit off.
1638 < */
1639 < void
1640 < add_lazylinkclient(struct Client *local_server_p, struct Client *client_p)
1641 < {
1642 <  assert(MyConnect(local_server_p));
1643 <  client_p->lazyLinkClientExists |= local_server_p->localClient->serverMask;
1644 < }
1645 <
1646 < /* remove_lazylink_flags()
1647 < *
1648 < * inputs       - pointer to server quitting
1649 < * output       - NONE
1650 < * side effects - All the channels on the lazylink channel list are examined
1651 < *                If they hold a bit corresponding to the servermask
1652 < *                attached to client_p, clear that bit. If this bitmask
1653 < *                goes to 0, then the channel is no longer known to
1654 < *                be on any lazylink server, and can be removed from the
1655 < *                link list.
1656 < *
1657 < *                Similar is done for lazylink clients
1658 < *
1659 < *                This function must be run by the HUB on any exiting
1660 < *                lazylink leaf server, while the pointer is still valid.
1661 < *                Hence must be run from client.c in exit_one_client()
1662 < *
1663 < *                The old code scanned all channels, this code only
1664 < *                scans channels/clients on the lazylink_channels
1665 < *                lazylink_clients lists.
1666 < */
1667 < void
1668 < remove_lazylink_flags(unsigned long mask)
1455 > send_tb(struct Client *client_p, struct Channel *chptr)
1456   {
1457 <  dlink_node *ptr;
1458 <  dlink_node *next_ptr;
1459 <  struct Channel *chptr;
1460 <  struct Client *target_p;
1461 <  unsigned long clear_mask;
1462 <
1463 <  if (!mask) /* On 0 mask, don't do anything */
1464 <   return;
1465 <
1466 <  clear_mask = ~mask;
1467 <  freeMask |= mask;
1468 <
1469 <  DLINK_FOREACH_SAFE(ptr, next_ptr, lazylink_channels.head)
1457 >  /*
1458 >   * We may also send an empty topic here, but only if topic_time isn't 0,
1459 >   * i.e. if we had a topic that got unset.  This is required for syncing
1460 >   * topics properly.
1461 >   *
1462 >   * Imagine the following scenario: Our downlink introduces a channel
1463 >   * to us with a TS that is equal to ours, but the channel topic on
1464 >   * their side got unset while the servers were in splitmode, which means
1465 >   * their 'topic' is newer.  They simply wanted to unset it, so we have to
1466 >   * deal with it in a more sophisticated fashion instead of just resetting
1467 >   * it to their old topic they had before.  Read m_tburst.c:ms_tburst
1468 >   * for further information   -Michael
1469 >   */
1470 >  if (chptr->topic_time != 0)
1471    {
1472 <    chptr = ptr->data;
1473 <
1474 <    chptr->lazyLinkChannelExists &= clear_mask;
1475 <
1476 <    if (chptr->lazyLinkChannelExists == 0)
1472 >    if (IsCapable(client_p, CAP_TBURST))
1473 >      sendto_one(client_p, ":%s TBURST %lu %s %lu %s :%s",
1474 >                 me.name, (unsigned long)chptr->channelts, chptr->chname,
1475 >                 (unsigned long)chptr->topic_time,
1476 >                 chptr->topic_info ? chptr->topic_info : "",
1477 >                 chptr->topic ? chptr->topic : "");
1478 >    else if (IsCapable(client_p, CAP_TB))
1479      {
1480 <      dlinkDelete(ptr, &lazylink_channels);
1481 <      free_dlink_node(ptr);
1480 >      if (ConfigChannel.burst_topicwho)
1481 >      {
1482 >        sendto_one(client_p, ":%s TB %s %lu %s :%s",
1483 >                   me.name, chptr->chname,
1484 >                   (unsigned long)chptr->topic_time,
1485 >                   chptr->topic_info, chptr->topic ? chptr->topic : "");
1486 >      }
1487 >      else
1488 >      {
1489 >        sendto_one(client_p, ":%s TB %s %lu :%s",
1490 >                   me.name, chptr->chname,
1491 >                   (unsigned long)chptr->topic_time,
1492 >                   chptr->topic ? chptr->topic : "");
1493 >      }
1494      }
1495    }
1694
1695  DLINK_FOREACH(ptr, global_client_list.head)
1696  {
1697    target_p = ptr->data;
1698    target_p->lazyLinkClientExists &= clear_mask;
1699  }
1496   }
1497  
1498   /* burst_members()
# Line 1728 | Line 1524 | burst_members(struct Client *client_p, s
1524    }
1525   }
1526  
1731 /* burst_ll_members()
1732 *
1733 * inputs       - pointer to server to send members to
1734 *              - dlink_list pointer to membership list to send
1735 * output       - NONE
1736 * side effects - This version also has to check the bitmap for lazylink
1737 */
1738 static void
1739 burst_ll_members(struct Client *client_p, struct Channel *chptr)
1740 {
1741  struct Client *target_p;
1742  struct Membership *ms;
1743  dlink_node *ptr;
1744
1745  DLINK_FOREACH(ptr, chptr->members.head)
1746  {
1747    ms       = ptr->data;
1748    target_p = ms->client_p;
1749
1750    if ((target_p->lazyLinkClientExists & client_p->localClient->serverMask) == 0)
1751    {
1752      if (target_p->from != client_p)
1753      {
1754        add_lazylinkclient(client_p,target_p);
1755        sendnick_TS(client_p, target_p);
1756      }
1757    }
1758  }
1759 }
1760
1761 /* set_autoconn()
1762 *
1763 * inputs       - struct Client pointer to oper requesting change
1764 * output       - none
1765 * side effects - set autoconnect mode
1766 */
1767 void
1768 set_autoconn(struct Client *source_p, const char *name, int newval)
1769 {
1770  struct ConfItem *conf;
1771  struct AccessItem *aconf;
1772
1773  if (name != NULL)
1774  {
1775    conf = find_exact_name_conf(SERVER_TYPE, name, NULL, NULL);
1776    if (conf != NULL)
1777    {
1778      aconf = (struct AccessItem *)map_to_conf(conf);
1779      if (newval)
1780        SetConfAllowAutoConn(aconf);
1781      else
1782        ClearConfAllowAutoConn(aconf);
1783
1784      sendto_realops_flags(UMODE_ALL, L_ALL,
1785                           "%s has changed AUTOCONN for %s to %i",
1786                           source_p->name, name, newval);
1787      sendto_one(source_p,
1788                 ":%s NOTICE %s :AUTOCONN for %s is now set to %i",
1789                 me.name, source_p->name, name, newval);
1790    }
1791    else
1792    {
1793      sendto_one(source_p, ":%s NOTICE %s :Can't find %s",
1794                 me.name, source_p->name, name);
1795    }
1796  }
1797  else
1798  {
1799    sendto_one(source_p, ":%s NOTICE %s :Please specify a server name!",
1800               me.name, source_p->name);
1801  }
1802 }
1803
1804 void
1805 initServerMask(void)
1806 {
1807  freeMask = 0xFFFFFFFFUL;
1808 }
1809
1810 /* nextFreeMask()
1811 *
1812 * inputs       - NONE
1813 * output       - unsigned long next unused mask for use in LL
1814 * side effects -
1815 */
1816 unsigned long
1817 nextFreeMask(void)
1818 {
1819  int i;
1820  unsigned long mask = 1;
1821
1822  for (i = 0; i < 32; i++)
1823  {
1824    if (mask & freeMask)
1825    {
1826      freeMask &= ~mask;
1827      return(mask);
1828    }
1829
1830    mask <<= 1;
1831  }
1832
1833  return(0L); /* watch this special case ... */
1834 }
1835
1527   /* New server connection code
1528   * Based upon the stuff floating about in s_bsd.c
1529   *   -- adrian
# Line 1873 | Line 1564 | serv_connect(struct AccessItem *aconf, s
1564    conf = unmap_conf_item(aconf);
1565  
1566    /* log */
1567 <  irc_getnameinfo((struct sockaddr*)&aconf->ipnum, aconf->ipnum.ss_len,
1568 <                  buf, HOSTIPLEN, NULL, 0, NI_NUMERICHOST);
1567 >  getnameinfo((struct sockaddr *)&aconf->ipnum, aconf->ipnum.ss_len,
1568 >              buf, sizeof(buf), NULL, 0, NI_NUMERICHOST);
1569    ilog(L_NOTICE, "Connect to %s[%s] @%s", aconf->user, aconf->host,
1570         buf);
1571  
1572    /* Still processing a DNS lookup? -> exit */
1573 <  if (aconf->dns_query != NULL)
1573 >  if (aconf->dns_pending)
1574    {
1575 <    sendto_realops_flags(UMODE_ALL, L_OPER,
1576 <                         "Error connecting to %s: Error during DNS lookup", conf->name);
1575 >    sendto_realops_flags(UMODE_ALL, L_ALL,
1576 >                         "Error connecting to %s: DNS lookup for connect{} in progress.",
1577 >                         conf->name);
1578 >    return (0);
1579 >  }
1580 >
1581 >  if (aconf->dns_failed)
1582 >  {
1583 >    sendto_realops_flags(UMODE_ALL, L_ALL,
1584 >                         "Error connecting to %s: DNS lookup for connect{} failed.",
1585 >                         conf->name);
1586      return (0);
1587    }
1588  
# Line 1912 | Line 1612 | serv_connect(struct AccessItem *aconf, s
1612    strlcpy(client_p->host, aconf->host, sizeof(client_p->host));
1613  
1614    /* We already converted the ip once, so lets use it - stu */
1615 <  strlcpy(client_p->sockhost, buf, HOSTIPLEN);
1615 >  strlcpy(client_p->sockhost, buf, sizeof(client_p->sockhost));
1616  
1617    /* create a socket for the server connection */
1618    if (comm_open(&client_p->localClient->fd, aconf->ipnum.ss.ss_family,
# Line 2122 | Line 1822 | serv_connect_callback(fde_t *fd, int sta
1822   #endif
1823  
1824    /* jdc -- Check and send spasswd, not passwd. */
1825 <  if (!EmptyString(aconf->spasswd) && (me.id[0] != '\0'))
1825 >  if (!EmptyString(aconf->spasswd))
1826        /* Send TS 6 form only if id */
1827      sendto_one(client_p, "PASS %s TS %d %s",
1828                 aconf->spasswd, TS_CURRENT, me.id);
2129  else
2130    sendto_one(client_p, "PASS %s TS 5",
2131               aconf->spasswd);
1829  
1830    /* Pass my info to the new server
1831     *
2135   * If trying to negotiate LazyLinks, pass on CAP_LL
2136   * If this is a HUB, pass on CAP_HUB
1832     * Pass on ZIP if supported
1833     * Pass on TB if supported.
1834     * - Dianora
1835     */
1836    send_capabilities(client_p, aconf,
1837 <                    (IsConfLazyLink(aconf) ? find_capability("LL") : 0)
1838 <                    | (IsConfCompressed(aconf) ? find_capability("ZIP") : 0)
2144 <                    | (IsConfTopicBurst(aconf) ? find_capability("TB") : 0)
2145 <                    , 0);
1837 >                    (IsConfCompressed(aconf) ? CAP_ZIP : 0)
1838 >                    | (IsConfTopicBurst(aconf) ? CAP_TBURST|CAP_TB : 0), 0);
1839  
1840    sendto_one(client_p, "SERVER %s 1 :%s%s",
1841 <             my_name_for_link(conf),
2149 <             ConfigServerHide.hidden ? "(H) " : "",
1841 >             me.name, ConfigServerHide.hidden ? "(H) " : "",
1842               me.info);
1843  
1844    /* If we've been marked dead because a send failed, just exit
# Line 2179 | Line 1871 | find_servconn_in_progress(const char *na
1871      cptr = ptr->data;
1872  
1873      if (cptr && cptr->name[0])
1874 <      if (match(cptr->name, name) || match(name, cptr->name))
1874 >      if (match(name, cptr->name))
1875          return cptr;
1876    }
1877    
# Line 2251 | Line 1943 | cryptlink_init(struct Client *client_p,
1943    }
1944  
1945    send_capabilities(client_p, aconf,
1946 <                    (IsConfLazyLink(aconf) ? find_capability("LL") : 0)
1947 <                    | (IsConfCompressed(aconf) ? find_capability("ZIP") : 0)
2256 <                    | (IsConfTopicBurst(aconf) ? find_capability("TB") : 0)
2257 <                    , CAP_ENC_MASK);
1946 >                    (IsConfCompressed(aconf) ? CAP_ZIP : 0)
1947 >                    | (IsConfTopicBurst(aconf) ? CAP_TBURST|CAP_TB : 0), CAP_ENC_MASK);
1948  
1949 +  sendto_one(client_p, "PASS . TS %d %s", TS_CURRENT, me.id);
1950    sendto_one(client_p, "CRYPTLINK SERV %s %s :%s%s",
1951 <             my_name_for_link(conf), key_to_send,
1951 >             me.name, key_to_send,
1952               ConfigServerHide.hidden ? "(H) " : "", me.info);
1953  
1954    SetHandshake(client_p);

Comparing ircd-hybrid/src/s_serv.c (property svn:keywords):
Revision 31 by knight, Sun Oct 2 20:34:05 2005 UTC vs.
Revision 1155 by michael, Tue Aug 9 20:27:45 2011 UTC

# Line 1 | Line 1
1 < "Id Revision"
1 > Id Revision

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