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root/svn/ircd-hybrid/trunk/src/server.c
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Comparing:
ircd-hybrid/trunk/src/s_serv.c (file contents), Revision 3110 by michael, Thu Mar 6 20:33:17 2014 UTC vs.
ircd-hybrid/trunk/src/server.c (file contents), Revision 6350 by michael, Tue Aug 11 17:53:44 2015 UTC

# Line 1 | Line 1
1   /*
2   *  ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3   *
4 < *  Copyright (c) 1997-2014 ircd-hybrid development team
4 > *  Copyright (c) 1997-2015 ircd-hybrid development team
5   *
6   *  This program is free software; you can redistribute it and/or modify
7   *  it under the terms of the GNU General Public License as published by
# Line 15 | Line 15
15   *
16   *  You should have received a copy of the GNU General Public License
17   *  along with this program; if not, write to the Free Software
18 < *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
18 > *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
19   *  USA
20   */
21  
# Line 30 | Line 30
30   #include "rsa.h"
31   #endif
32   #include "list.h"
33 #include "channel.h"
34 #include "channel_mode.h"
33   #include "client.h"
34   #include "event.h"
37 #include "fdlist.h"
35   #include "hash.h"
36   #include "irc_string.h"
37   #include "ircd.h"
# Line 42 | Line 39
39   #include "s_bsd.h"
40   #include "numeric.h"
41   #include "packet.h"
45 #include "irc_res.h"
42   #include "conf.h"
43 < #include "s_serv.h"
43 > #include "server.h"
44   #include "log.h"
45 < #include "s_misc.h"
50 < #include "s_user.h"
45 > #include "user.h"
46   #include "send.h"
47   #include "memory.h"
48   #include "channel.h"
49   #include "parse.h"
50  
51 < #define MIN_CONN_FREQ 300
51 > enum { MIN_CONN_FREQ = 300 };
52  
53   dlink_list flatten_links;
54 < static dlink_list cap_list = { NULL, NULL, 0 };
55 < static void server_burst(struct Client *);
61 < static void burst_all(struct Client *);
62 < static void send_tb(struct Client *client_p, struct Channel *chptr);
63 <
64 < static CNCB serv_connect_callback;
54 > static dlink_list server_capabilities_list;
55 > static void serv_connect_callback(fde_t *, int, void *);
56  
66 static void burst_members(struct Client *, struct Channel *);
57  
58   /*
59   * write_links_file
# Line 74 | Line 64 | static void burst_members(struct Client
64   *                but in no particular order.
65   */
66   void
67 < write_links_file(void *notused)
67 > write_links_file(void *unused)
68   {
69    FILE *file = NULL;
70 <  dlink_node *ptr = NULL, *ptr_next = NULL;
71 <  char buff[IRCD_BUFSIZE] = { '\0' };
70 >  dlink_node *node = NULL, *node_next = NULL;
71 >  char buff[IRCD_BUFSIZE] = "";
72  
73    if ((file = fopen(LIPATH, "w")) == NULL)
74      return;
75  
76 <  DLINK_FOREACH_SAFE(ptr, ptr_next, flatten_links.head)
76 >  DLINK_FOREACH_SAFE(node, node_next, flatten_links.head)
77    {
78 <    dlinkDelete(ptr, &flatten_links);
79 <    MyFree(ptr->data);
80 <    free_dlink_node(ptr);
78 >    dlinkDelete(node, &flatten_links);
79 >    MyFree(node->data);
80 >    free_dlink_node(node);
81    }
82  
83 <  DLINK_FOREACH(ptr, global_serv_list.head)
83 >  DLINK_FOREACH(node, global_server_list.head)
84    {
85 <    const struct Client *target_p = ptr->data;
85 >    const struct Client *target_p = node->data;
86  
87      /*
88       * Skip hidden servers, aswell as ourselves, since we already send
# Line 127 | Line 117 | read_links_file(void)
117   {
118    FILE *file = NULL;
119    char *p = NULL;
120 <  char buff[IRCD_BUFSIZE] = { '\0' };
120 >  char buff[IRCD_BUFSIZE] = "";
121  
122    if ((file = fopen(LIPATH, "r")) == NULL)
123      return;
124  
125    while (fgets(buff, sizeof(buff), file))
126    {
127 <    if ((p = strchr(buff, '\n')) != NULL)
127 >    if ((p = strchr(buff, '\n')))
128        *p = '\0';
129  
130      dlinkAddTail(xstrdup(buff), make_dlink_node(), &flatten_links);
# Line 163 | Line 153 | read_links_file(void)
153   *      returns: (see #defines)
154   */
155   int
156 < hunt_server(struct Client *client_p, struct Client *source_p, const char *command,
156 > hunt_server(struct Client *source_p, const char *command,
157              const int server, const int parc, char *parv[])
158   {
159    struct Client *target_p = NULL;
160 <  struct Client *target_tmp = NULL;
171 <  dlink_node *ptr;
172 <  int wilds;
160 >  dlink_node *node = NULL;
161  
162    /* Assume it's me, if no server */
163    if (parc <= server || EmptyString(parv[server]))
164      return HUNTED_ISME;
165  
166 <  if (!strcmp(parv[server], me.id) || !match(parv[server], me.name))
167 <    return HUNTED_ISME;
166 >  if ((target_p = find_person(source_p, parv[server])) == NULL)
167 >    target_p = hash_find_server(parv[server]);
168  
169 <  /* These are to pickup matches that would cause the following
169 >  /*
170 >   * These are to pickup matches that would cause the following
171     * message to go in the wrong direction while doing quick fast
172     * non-matching lookups.
173     */
185  if (MyClient(source_p))
186    target_p = hash_find_client(parv[server]);
187  else
188    target_p = find_person(client_p, parv[server]);
189
174    if (target_p)
175      if (target_p->from == source_p->from && !MyConnect(target_p))
176        target_p = NULL;
177  
178 <  if (target_p == NULL && (target_p = hash_find_server(parv[server])))
195 <    if (target_p->from == source_p->from && !MyConnect(target_p))
196 <      target_p = NULL;
197 <
198 <  wilds = has_wildcards(parv[server]);
199 <
200 <  /* Again, if there are no wild cards involved in the server
201 <   * name, use the hash lookup
202 <   */
203 <  if (target_p == NULL)
178 >  if (!target_p && has_wildcards(parv[server]))
179    {
180 <    if (!wilds)
180 >    DLINK_FOREACH(node, global_server_list.head)
181      {
182 <      if (!(target_p = hash_find_server(parv[server])))
182 >      struct Client *tmp = node->data;
183 >
184 >      assert(IsMe(tmp) || IsServer(tmp));
185 >      if (!match(parv[server], tmp->name))
186        {
187 <        sendto_one_numeric(source_p, &me, ERR_NOSUCHSERVER, parv[server]);
188 <        return HUNTED_NOSUCH;
187 >        if (tmp->from == source_p->from && !MyConnect(tmp))
188 >          continue;
189 >
190 >        target_p = node->data;
191 >        break;
192        }
193      }
194 <    else
194 >
195 >    if (!target_p)
196      {
197 <      DLINK_FOREACH(ptr, global_client_list.head)
197 >      DLINK_FOREACH(node, global_client_list.head)
198        {
199 <        target_tmp = ptr->data;
199 >        struct Client *tmp = node->data;
200  
201 <        if (!match(parv[server], target_tmp->name))
201 >        assert(IsMe(tmp) || IsServer(tmp) || IsClient(tmp));
202 >        if (!match(parv[server], tmp->name))
203          {
204 <          if (target_tmp->from == source_p->from && !MyConnect(target_tmp))
204 >          if (tmp->from == source_p->from && !MyConnect(tmp))
205              continue;
223          target_p = ptr->data;
206  
207 <          if (IsRegistered(target_p) && (target_p != client_p))
208 <            break;
207 >          target_p = node->data;
208 >          break;
209          }
210        }
211      }
212    }
213  
214 <  if (target_p != NULL)
214 >  if (target_p)
215    {
216 <    if(!IsRegistered(target_p))
235 <    {
236 <      sendto_one_numeric(source_p, &me, ERR_NOSUCHSERVER, parv[server]);
237 <      return HUNTED_NOSUCH;
238 <    }
239 <
216 >    assert(IsMe(target_p) || IsServer(target_p) || IsClient(target_p));
217      if (IsMe(target_p) || MyClient(target_p))
218        return HUNTED_ISME;
219  
220 <    if (match(target_p->name, parv[server]))
221 <      parv[server] = target_p->name;
245 <
246 <    sendto_one(target_p, command, ID_or_name(source_p, target_p),
220 >    parv[server] = target_p->id;
221 >    sendto_one(target_p, command, source_p->id,
222                 parv[1], parv[2], parv[3], parv[4],
223                 parv[5], parv[6], parv[7], parv[8]);
224      return HUNTED_PASS;
# Line 266 | Line 241 | hunt_server(struct Client *client_p, str
241   void
242   try_connections(void *unused)
243   {
244 <  dlink_node *ptr = NULL;
245 <  struct MaskItem *conf;
271 <  int confrq;
244 >  dlink_node *node = NULL;
245 >  int confrq = 0;
246  
247    /* TODO: change this to set active flag to 0 when added to event! --Habeeb */
248    if (GlobalSetOptions.autoconn == 0)
249      return;
250  
251 <  DLINK_FOREACH(ptr, server_items.head)
251 >  DLINK_FOREACH(node, server_items.head)
252    {
253 <    conf = ptr->data;
253 >    struct MaskItem *conf = node->data;
254  
255      assert(conf->type == CONF_SERVER);
256  
257      /* Also when already connecting! (update holdtimes) --SRB
258       */
259 <    if (!conf->port ||!IsConfAllowAutoConn(conf))
259 >    if (!conf->port || !IsConfAllowAutoConn(conf))
260        continue;
261  
262  
# Line 295 | Line 269 | try_connections(void *unused)
269      if (conf->until > CurrentTime)
270        continue;
271  
272 <    if (conf->class == NULL)
273 <      confrq = DEFAULT_CONNECTFREQUENCY;
274 <    else
275 <    {
276 <      confrq = conf->class->con_freq;
303 <      if (confrq < MIN_CONN_FREQ)
304 <        confrq = MIN_CONN_FREQ;
305 <    }
272 >    assert(conf->class);
273 >
274 >    confrq = conf->class->con_freq;
275 >    if (confrq < MIN_CONN_FREQ)
276 >      confrq = MIN_CONN_FREQ;
277  
278      conf->until = CurrentTime + confrq;
279  
280 <    /* Found a CONNECT config with port specified, scan clients
280 >    /*
281 >     * Found a CONNECT config with port specified, scan clients
282       * and see if this server is already connected?
283       */
284 <    if (hash_find_server(conf->name) != NULL)
284 >    if (hash_find_server(conf->name))
285        continue;
286  
287      if (conf->class->ref_count < conf->class->max_total)
288      {
289        /* Go to the end of the list, if not already last */
290 <      if (ptr->next != NULL)
290 >      if (node->next)
291        {
292 <        dlinkDelete(ptr, &server_items);
292 >        dlinkDelete(node, &server_items);
293          dlinkAddTail(conf, &conf->node, &server_items);
294        }
295  
296        if (find_servconn_in_progress(conf->name))
297          return;
298  
299 <      /* We used to only print this if serv_connect() actually
299 >      /*
300 >       * We used to only print this if serv_connect() actually
301         * succeeded, but since comm_tcp_connect() can call the callback
302         * immediately if there is an error, we were getting error messages
303         * in the wrong order. SO, we just print out the activated line,
# Line 333 | Line 306 | try_connections(void *unused)
306         *   -- adrian
307         */
308        if (ConfigServerHide.hide_server_ips)
309 <        sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
309 >        sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE,
310                               "Connection to %s activated.",
311                               conf->name);
312        else
313 <        sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
313 >        sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE,
314                               "Connection to %s[%s] activated.",
315                               conf->name, conf->host);
316  
# Line 351 | Line 324 | try_connections(void *unused)
324   int
325   valid_servname(const char *name)
326   {
327 <  unsigned int length = 0;
355 <  unsigned int dots   = 0;
327 >  unsigned int dots = 0;
328    const char *p = name;
329  
330    for (; *p; ++p)
# Line 360 | Line 332 | valid_servname(const char *name)
332      if (!IsServChar(*p))
333        return 0;
334  
363    ++length;
364
335      if (*p == '.')
336        ++dots;
337    }
338  
339 <  return dots != 0 && length <= HOSTLEN;
339 >  return dots && (p - name) <= HOSTLEN;
340   }
341  
342   int
343   check_server(const char *name, struct Client *client_p)
344   {
345 <  dlink_node *ptr;
345 >  dlink_node *node = NULL;
346    struct MaskItem *conf        = NULL;
347    struct MaskItem *server_conf = NULL;
348    int error = -1;
349  
350 <  assert(client_p != NULL);
350 >  assert(client_p);
351  
352    /* loop through looking for all possible connect items that might work */
353 <  DLINK_FOREACH(ptr, server_items.head)
353 >  DLINK_FOREACH(node, server_items.head)
354    {
355 <    conf = ptr->data;
355 >    conf = node->data;
356  
357      if (match(name, conf->name))
358        continue;
# Line 396 | Line 366 | check_server(const char *name, struct Cl
366      {
367        error = -2;
368  
369 <      if (!match_conf_password(client_p->localClient->passwd, conf))
369 >      if (!match_conf_password(client_p->connection->password, conf))
370          return -2;
371  
372        if (!EmptyString(conf->certfp))
# Line 413 | Line 383 | check_server(const char *name, struct Cl
383    attach_conf(client_p, server_conf);
384  
385  
386 <  if (server_conf != NULL)
386 >  if (server_conf)
387    {
388      struct sockaddr_in *v4;
419 #ifdef IPV6
389      struct sockaddr_in6 *v6;
390 < #endif
390 >
391      switch (server_conf->aftype)
392      {
424 #ifdef IPV6
393        case AF_INET6:
394          v6 = (struct sockaddr_in6 *)&server_conf->addr;
395  
396          if (IN6_IS_ADDR_UNSPECIFIED(&v6->sin6_addr))
397 <          memcpy(&server_conf->addr, &client_p->localClient->ip, sizeof(struct irc_ssaddr));
397 >          memcpy(&server_conf->addr, &client_p->connection->ip, sizeof(struct irc_ssaddr));
398          break;
431 #endif
399        case AF_INET:
400          v4 = (struct sockaddr_in *)&server_conf->addr;
401  
402          if (v4->sin_addr.s_addr == INADDR_NONE)
403 <          memcpy(&server_conf->addr, &client_p->localClient->ip, sizeof(struct irc_ssaddr));
403 >          memcpy(&server_conf->addr, &client_p->connection->ip, sizeof(struct irc_ssaddr));
404          break;
405      }
406    }
# Line 451 | Line 418 | check_server(const char *name, struct Cl
418   *                modules to dynamically add or subtract their capability.
419   */
420   void
421 < add_capability(const char *capab_name, int cap_flag, int add_to_default)
421 > add_capability(const char *name, unsigned int flag)
422   {
423 <  struct Capability *cap = MyMalloc(sizeof(*cap));
423 >  struct Capability *cap = MyCalloc(sizeof(*cap));
424  
425 <  cap->name = xstrdup(capab_name);
426 <  cap->cap = cap_flag;
427 <  dlinkAdd(cap, &cap->node, &cap_list);
461 <
462 <  if (add_to_default)
463 <    default_server_capabs |= cap_flag;
425 >  cap->name = xstrdup(name);
426 >  cap->cap = flag;
427 >  dlinkAdd(cap, &cap->node, &server_capabilities_list);
428   }
429  
430   /* delete_capability()
# Line 469 | Line 433 | add_capability(const char *capab_name, i
433   * output       - NONE
434   * side effects - delete given capability from ones known.
435   */
436 < int
437 < delete_capability(const char *capab_name)
436 > void
437 > delete_capability(const char *name)
438   {
439 <  dlink_node *ptr;
476 <  dlink_node *next_ptr;
477 <  struct Capability *cap;
439 >  dlink_node *node = NULL, *node_next = NULL;
440  
441 <  DLINK_FOREACH_SAFE(ptr, next_ptr, cap_list.head)
441 >  DLINK_FOREACH_SAFE(node, node_next, server_capabilities_list.head)
442    {
443 <    cap = ptr->data;
443 >    struct Capability *cap = node->data;
444  
445 <    if (cap->cap != 0)
445 >    if (!irccmp(cap->name, name))
446      {
447 <      if (irccmp(cap->name, capab_name) == 0)
448 <      {
449 <        default_server_capabs &= ~(cap->cap);
488 <        dlinkDelete(ptr, &cap_list);
489 <        MyFree(cap->name);
490 <        MyFree(cap);
491 <      }
447 >      dlinkDelete(node, &server_capabilities_list);
448 >      MyFree(cap->name);
449 >      MyFree(cap);
450      }
451    }
494
495  return 0;
452   }
453  
454   /*
# Line 503 | Line 459 | delete_capability(const char *capab_name
459   * side effects - none
460   */
461   unsigned int
462 < find_capability(const char *capab)
462 > find_capability(const char *name)
463   {
464 <  const dlink_node *ptr = NULL;
464 >  const dlink_node *node = NULL;
465  
466 <  DLINK_FOREACH(ptr, cap_list.head)
466 >  DLINK_FOREACH(node, server_capabilities_list.head)
467    {
468 <    const struct Capability *cap = ptr->data;
468 >    const struct Capability *cap = node->data;
469  
470 <    if (cap->cap && !irccmp(cap->name, capab))
470 >    if (!irccmp(cap->name, name))
471        return cap->cap;
472    }
473  
# Line 527 | Line 483 | find_capability(const char *capab)
483   *
484   */
485   void
486 < send_capabilities(struct Client *client_p, int cap_can_send)
486 > send_capabilities(struct Client *client_p)
487   {
488 <  struct Capability *cap=NULL;
489 <  char msgbuf[IRCD_BUFSIZE];
534 <  char *t;
535 <  int tl;
536 <  dlink_node *ptr;
537 <
538 <  t = msgbuf;
488 >  char buf[IRCD_BUFSIZE] = "";
489 >  const dlink_node *node = NULL;
490  
491 <  DLINK_FOREACH(ptr, cap_list.head)
491 >  DLINK_FOREACH(node, server_capabilities_list.head)
492    {
493 <    cap = ptr->data;
543 <
544 <    if (cap->cap & (cap_can_send|default_server_capabs))
545 <    {
546 <      tl = sprintf(t, "%s ", cap->name);
547 <      t += tl;
548 <    }
549 <  }
550 <
551 <  *(t - 1) = '\0';
552 <  sendto_one(client_p, "CAPAB :%s", msgbuf);
553 < }
554 <
555 < /* sendnick_TS()
556 < *
557 < * inputs       - client (server) to send nick towards
558 < *          - client to send nick for
559 < * output       - NONE
560 < * side effects - NICK message is sent towards given client_p
561 < */
562 < void
563 < sendnick_TS(struct Client *client_p, struct Client *target_p)
564 < {
565 <  char ubuf[IRCD_BUFSIZE];
566 <
567 <  if (!IsClient(target_p))
568 <    return;
493 >    const struct Capability *cap = node->data;
494  
495 <  send_umode(NULL, target_p, 0, SEND_UMODES, ubuf);
495 >    strlcat(buf, cap->name, sizeof(buf));
496  
497 <  if (ubuf[0] == '\0')
498 <  {
574 <    ubuf[0] = '+';
575 <    ubuf[1] = '\0';
497 >    if (node->next)
498 >      strlcat(buf, " ", sizeof(buf));
499    }
500  
501 <  if (IsCapable(client_p, CAP_SVS))
579 <  {
580 <    if (HasID(target_p) && IsCapable(client_p, CAP_TS6))
581 <      sendto_one(client_p, ":%s UID %s %d %lu %s %s %s %s %s %s :%s",
582 <                 target_p->servptr->id,
583 <                 target_p->name, target_p->hopcount + 1,
584 <                 (unsigned long) target_p->tsinfo,
585 <                 ubuf, target_p->username, target_p->host,
586 <                 (MyClient(target_p) && IsIPSpoof(target_p)) ?
587 <                 "0" : target_p->sockhost, target_p->id,
588 <                 target_p->svid, target_p->info);
589 <    else
590 <      sendto_one(client_p, "NICK %s %d %lu %s %s %s %s %s :%s",
591 <                 target_p->name, target_p->hopcount + 1,
592 <                 (unsigned long) target_p->tsinfo,
593 <                 ubuf, target_p->username, target_p->host,
594 <                 target_p->servptr->name, target_p->svid,
595 <                 target_p->info);
596 <  }
597 <  else
598 <  {
599 <    if (HasID(target_p) && IsCapable(client_p, CAP_TS6))
600 <      sendto_one(client_p, ":%s UID %s %d %lu %s %s %s %s %s :%s",
601 <                 target_p->servptr->id,
602 <                 target_p->name, target_p->hopcount + 1,
603 <                 (unsigned long) target_p->tsinfo,
604 <                 ubuf, target_p->username, target_p->host,
605 <                 (MyClient(target_p) && IsIPSpoof(target_p)) ?
606 <                 "0" : target_p->sockhost, target_p->id, target_p->info);
607 <    else
608 <      sendto_one(client_p, "NICK %s %d %lu %s %s %s %s :%s",
609 <                 target_p->name, target_p->hopcount + 1,
610 <                 (unsigned long) target_p->tsinfo,
611 <                 ubuf, target_p->username, target_p->host,
612 <                 target_p->servptr->name, target_p->info);
613 <  }
614 <
615 <  if (!EmptyString(target_p->certfp))
616 <    sendto_one(client_p, ":%s CERTFP %s",
617 <               ID_or_name(target_p, client_p), target_p->certfp);
618 <
619 <  if (target_p->away[0])
620 <    sendto_one(client_p, ":%s AWAY :%s", ID_or_name(target_p, client_p),
621 <               target_p->away);
622 <
501 >  sendto_one(client_p, "CAPAB :%s", buf);
502   }
503  
504   /*
# Line 633 | Line 512 | const char *
512   show_capabilities(const struct Client *target_p)
513   {
514    static char msgbuf[IRCD_BUFSIZE] = "";
515 <  const dlink_node *ptr = NULL;
515 >  const dlink_node *node = NULL;
516  
517    strlcpy(msgbuf, "TS", sizeof(msgbuf));
518  
519 <  DLINK_FOREACH(ptr, cap_list.head)
519 >  DLINK_FOREACH(node, server_capabilities_list.head)
520    {
521 <    const struct Capability *cap = ptr->data;
521 >    const struct Capability *cap = node->data;
522  
523      if (!IsCapable(target_p, cap->cap))
524        continue;
# Line 662 | Line 541 | struct Server *
541   make_server(struct Client *client_p)
542   {
543    if (client_p->serv == NULL)
544 <    client_p->serv = MyMalloc(sizeof(struct Server));
544 >    client_p->serv = MyCalloc(sizeof(struct Server));
545  
546    return client_p->serv;
547   }
548  
670 /* server_estab()
671 *
672 * inputs       - pointer to a struct Client
673 * output       -
674 * side effects -
675 */
676 void
677 server_estab(struct Client *client_p)
678 {
679  struct Client *target_p;
680  struct MaskItem *conf = NULL;
681  char *host;
682  const char *inpath;
683  static char inpath_ip[HOSTLEN * 2 + USERLEN + 6];
684  dlink_node *ptr;
685 #ifdef HAVE_LIBCRYPTO
686  const COMP_METHOD *compression = NULL, *expansion = NULL;
687 #endif
688
689  assert(client_p != NULL);
690
691  strlcpy(inpath_ip, get_client_name(client_p, SHOW_IP), sizeof(inpath_ip));
692
693  inpath = get_client_name(client_p, MASK_IP); /* "refresh" inpath with host */
694  host   = client_p->name;
695
696  if ((conf = find_conf_name(&client_p->localClient->confs, host, CONF_SERVER))
697      == NULL)
698  {
699    /* This shouldn't happen, better tell the ops... -A1kmm */
700    sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
701                         "Warning: Lost connect{} block "
702                         "for server %s(this shouldn't happen)!", host);
703    exit_client(client_p, &me, "Lost connect{} block!");
704    return;
705  }
706
707  MyFree(client_p->localClient->passwd);
708  client_p->localClient->passwd = NULL;
709
710  /* Its got identd, since its a server */
711  SetGotId(client_p);
712
713  /* If there is something in the serv_list, it might be this
714   * connecting server..
715   */
716  if (!ServerInfo.hub && serv_list.head)
717  {
718    if (client_p != serv_list.head->data || serv_list.head->next)
719    {
720      ++ServerStats.is_ref;
721      sendto_one(client_p, "ERROR :I'm a leaf not a hub");
722      exit_client(client_p, &me, "I'm a leaf");
723      return;
724    }
725  }
726
727  if (IsUnknown(client_p))
728  {
729    sendto_one(client_p, "PASS %s TS %d %s", conf->spasswd, TS_CURRENT, me.id);
730
731    send_capabilities(client_p, 0);
732
733    sendto_one(client_p, "SERVER %s 1 :%s%s",
734               me.name, ConfigServerHide.hidden ? "(H) " : "", me.info);
735  }
736
737  sendto_one(client_p, "SVINFO %d %d 0 :%lu", TS_CURRENT, TS_MIN,
738             (unsigned long)CurrentTime);
739
740  /* assumption here is if they passed the correct TS version, they also passed an SID */
741  if (IsCapable(client_p, CAP_TS6))
742    hash_add_id(client_p);
743
744  /* XXX Does this ever happen? I don't think so -db */
745  detach_conf(client_p, CONF_OPER);
746
747  /* *WARNING*
748  **    In the following code in place of plain server's
749  **    name we send what is returned by get_client_name
750  **    which may add the "sockhost" after the name. It's
751  **    *very* *important* that there is a SPACE between
752  **    the name and sockhost (if present). The receiving
753  **    server will start the information field from this
754  **    first blank and thus puts the sockhost into info.
755  **    ...a bit tricky, but you have been warned, besides
756  **    code is more neat this way...  --msa
757  */
758  client_p->servptr = &me;
759
760  if (IsClosing(client_p))
761    return;
762
763  SetServer(client_p);
764
765  /* Update the capability combination usage counts. -A1kmm */
766  set_chcap_usage_counts(client_p);
767
768  /* Some day, all these lists will be consolidated *sigh* */
769  dlinkAdd(client_p, &client_p->lnode, &me.serv->server_list);
770
771  assert(dlinkFind(&unknown_list, client_p));
772
773  dlink_move_node(&client_p->localClient->lclient_node,
774                  &unknown_list, &serv_list);
775
776  Count.myserver++;
777
778  dlinkAdd(client_p, make_dlink_node(), &global_serv_list);
779  hash_add_client(client_p);
780
781  /* doesnt duplicate client_p->serv if allocated this struct already */
782  make_server(client_p);
783
784  /* fixing eob timings.. -gnp */
785  client_p->localClient->firsttime = CurrentTime;
786
787  if (find_matching_name_conf(CONF_SERVICE, client_p->name, NULL, NULL, 0))
788    AddFlag(client_p, FLAGS_SERVICE);
789
790  /* Show the real host/IP to admins */
791 #ifdef HAVE_LIBCRYPTO
792  if (client_p->localClient->fd.ssl)
793  {
794    compression = SSL_get_current_compression(client_p->localClient->fd.ssl);
795    expansion   = SSL_get_current_expansion(client_p->localClient->fd.ssl);
796
797    sendto_realops_flags(UMODE_ALL, L_ADMIN, SEND_NOTICE,
798                         "Link with %s established: [SSL: %s, Compression/Expansion method: %s/%s] (Capabilities: %s)",
799                         inpath_ip, ssl_get_cipher(client_p->localClient->fd.ssl),
800                         compression ? SSL_COMP_get_name(compression) : "NONE",
801                         expansion ? SSL_COMP_get_name(expansion) : "NONE",
802                         show_capabilities(client_p));
803    /* Now show the masked hostname/IP to opers */
804    sendto_realops_flags(UMODE_ALL, L_OPER, SEND_NOTICE,
805                         "Link with %s established: [SSL: %s, Compression/Expansion method: %s/%s] (Capabilities: %s)",
806                         inpath, ssl_get_cipher(client_p->localClient->fd.ssl),
807                         compression ? SSL_COMP_get_name(compression) : "NONE",
808                         expansion ? SSL_COMP_get_name(expansion) : "NONE",
809                         show_capabilities(client_p));
810    ilog(LOG_TYPE_IRCD, "Link with %s established: [SSL: %s, Compression/Expansion method: %s/%s] (Capabilities: %s)",
811         inpath_ip, ssl_get_cipher(client_p->localClient->fd.ssl),
812         compression ? SSL_COMP_get_name(compression) : "NONE",
813         expansion ? SSL_COMP_get_name(expansion) : "NONE",
814         show_capabilities(client_p));
815  }
816  else
817 #endif
818  {
819    sendto_realops_flags(UMODE_ALL, L_ADMIN, SEND_NOTICE,
820                         "Link with %s established: (Capabilities: %s)",
821                         inpath_ip, show_capabilities(client_p));
822    /* Now show the masked hostname/IP to opers */
823    sendto_realops_flags(UMODE_ALL, L_OPER, SEND_NOTICE,
824                         "Link with %s established: (Capabilities: %s)",
825                         inpath, show_capabilities(client_p));
826    ilog(LOG_TYPE_IRCD, "Link with %s established: (Capabilities: %s)",
827         inpath_ip, show_capabilities(client_p));
828  }
829
830  fd_note(&client_p->localClient->fd, "Server: %s", client_p->name);
831
832  /* Old sendto_serv_but_one() call removed because we now
833  ** need to send different names to different servers
834  ** (domain name matching) Send new server to other servers.
835  */
836  DLINK_FOREACH(ptr, serv_list.head)
837  {
838    target_p = ptr->data;
839
840    if (target_p == client_p)
841      continue;
842
843    if (IsCapable(target_p, CAP_TS6) && HasID(client_p))
844      sendto_one(target_p, ":%s SID %s 2 %s :%s%s",
845                 me.id, client_p->name, client_p->id,
846                 IsHidden(client_p) ? "(H) " : "",
847                 client_p->info);
848    else
849      sendto_one(target_p,":%s SERVER %s 2 :%s%s",
850                 me.name, client_p->name,
851                 IsHidden(client_p) ? "(H) " : "",
852                 client_p->info);
853  }
854
855  /*
856   * Pass on my client information to the new server
857   *
858   * First, pass only servers (idea is that if the link gets
859   * cancelled beacause the server was already there,
860   * there are no NICK's to be cancelled...). Of course,
861   * if cancellation occurs, all this info is sent anyway,
862   * and I guess the link dies when a read is attempted...? --msa
863   *
864   * Note: Link cancellation to occur at this point means
865   * that at least two servers from my fragment are building
866   * up connection this other fragment at the same time, it's
867   * a race condition, not the normal way of operation...
868   *
869   * ALSO NOTE: using the get_client_name for server names--
870   *    see previous *WARNING*!!! (Also, original inpath
871   *    is destroyed...)
872   */
873
874  DLINK_FOREACH_PREV(ptr, global_serv_list.tail)
875  {
876    target_p = ptr->data;
877
878    /* target_p->from == target_p for target_p == client_p */
879    if (IsMe(target_p) || target_p->from == client_p)
880      continue;
881
882    if (IsCapable(client_p, CAP_TS6))
883    {
884      if (HasID(target_p))
885        sendto_one(client_p, ":%s SID %s %d %s :%s%s",
886                   ID(target_p->servptr), target_p->name, target_p->hopcount+1,
887                   target_p->id, IsHidden(target_p) ? "(H) " : "",
888                   target_p->info);
889      else  /* introducing non-ts6 server */
890        sendto_one(client_p, ":%s SERVER %s %d :%s%s",
891                   ID(target_p->servptr), target_p->name, target_p->hopcount+1,
892                   IsHidden(target_p) ? "(H) " : "", target_p->info);
893    }
894    else
895      sendto_one(client_p, ":%s SERVER %s %d :%s%s",
896                 target_p->servptr->name, target_p->name, target_p->hopcount+1,
897                 IsHidden(target_p) ? "(H) " : "", target_p->info);
898
899    if (HasFlag(target_p, FLAGS_EOB))
900      sendto_one(client_p, ":%s EOB", ID_or_name(target_p, client_p));
901  }
902
903  server_burst(client_p);
904 }
905
906 /* server_burst()
907 *
908 * inputs       - struct Client pointer server
909 *              -
910 * output       - none
911 * side effects - send a server burst
912 * bugs         - still too long
913 */
914 static void
915 server_burst(struct Client *client_p)
916 {
917  /* Send it in the shortened format with the TS, if
918  ** it's a TS server; walk the list of channels, sending
919  ** all the nicks that haven't been sent yet for each
920  ** channel, then send the channel itself -- it's less
921  ** obvious than sending all nicks first, but on the
922  ** receiving side memory will be allocated more nicely
923  ** saving a few seconds in the handling of a split
924  ** -orabidoo
925  */
926
927  burst_all(client_p);
928
929  /* EOB stuff is now in burst_all */
930  /* Always send a PING after connect burst is done */
931  sendto_one(client_p, "PING :%s", ID_or_name(&me, client_p));
932 }
933
934 /* burst_all()
935 *
936 * inputs       - pointer to server to send burst to
937 * output       - NONE
938 * side effects - complete burst of channels/nicks is sent to client_p
939 */
940 static void
941 burst_all(struct Client *client_p)
942 {
943  dlink_node *ptr = NULL;
944
945  DLINK_FOREACH(ptr, global_channel_list.head)
946  {
947    struct Channel *chptr = ptr->data;
948
949    if (dlink_list_length(&chptr->members) != 0)
950    {
951      burst_members(client_p, chptr);
952      send_channel_modes(client_p, chptr);
953
954      if (IsCapable(client_p, CAP_TBURST))
955        send_tb(client_p, chptr);
956    }
957  }
958
959  /* also send out those that are not on any channel
960   */
961  DLINK_FOREACH(ptr, global_client_list.head)
962  {
963    struct Client *target_p = ptr->data;
964
965    if (!HasFlag(target_p, FLAGS_BURSTED) && target_p->from != client_p)
966      sendnick_TS(client_p, target_p);
967
968    DelFlag(target_p, FLAGS_BURSTED);
969  }
970
971  if (IsCapable(client_p, CAP_EOB))
972    sendto_one(client_p, ":%s EOB", ID_or_name(&me, client_p));
973 }
974
975 /*
976 * send_tb
977 *
978 * inputs       - pointer to Client
979 *              - pointer to channel
980 * output       - NONE
981 * side effects - Called on a server burst when
982 *                server is CAP_TBURST capable
983 */
984 static void
985 send_tb(struct Client *client_p, struct Channel *chptr)
986 {
987  /*
988   * We may also send an empty topic here, but only if topic_time isn't 0,
989   * i.e. if we had a topic that got unset.  This is required for syncing
990   * topics properly.
991   *
992   * Imagine the following scenario: Our downlink introduces a channel
993   * to us with a TS that is equal to ours, but the channel topic on
994   * their side got unset while the servers were in splitmode, which means
995   * their 'topic' is newer.  They simply wanted to unset it, so we have to
996   * deal with it in a more sophisticated fashion instead of just resetting
997   * it to their old topic they had before.  Read m_tburst.c:ms_tburst
998   * for further information   -Michael
999   */
1000  if (chptr->topic_time != 0)
1001    sendto_one(client_p, ":%s TBURST %lu %s %lu %s :%s",
1002               ID_or_name(&me, client_p),
1003               (unsigned long)chptr->channelts, chptr->chname,
1004               (unsigned long)chptr->topic_time,
1005               chptr->topic_info,
1006               chptr->topic);
1007 }
1008
1009 /* burst_members()
1010 *
1011 * inputs       - pointer to server to send members to
1012 *              - dlink_list pointer to membership list to send
1013 * output       - NONE
1014 * side effects -
1015 */
1016 static void
1017 burst_members(struct Client *client_p, struct Channel *chptr)
1018 {
1019  struct Client *target_p;
1020  struct Membership *ms;
1021  dlink_node *ptr;
1022
1023  DLINK_FOREACH(ptr, chptr->members.head)
1024  {
1025    ms       = ptr->data;
1026    target_p = ms->client_p;
1027
1028    if (!HasFlag(target_p, FLAGS_BURSTED))
1029    {
1030      AddFlag(target_p, FLAGS_BURSTED);
1031
1032      if (target_p->from != client_p)
1033        sendnick_TS(client_p, target_p);
1034    }
1035  }
1036 }
1037
549   /* New server connection code
550   * Based upon the stuff floating about in s_bsd.c
551   *   -- adrian
# Line 1059 | Line 570 | burst_members(struct Client *client_p, s
570   int
571   serv_connect(struct MaskItem *conf, struct Client *by)
572   {
573 <  struct Client *client_p;
574 <  char buf[HOSTIPLEN + 1];
573 >  struct Client *client_p = NULL;
574 >  char buf[HOSTIPLEN + 1] = "";
575  
576    /* conversion structs */
577    struct sockaddr_in *v4;
1067  /* Make sure conf is useful */
1068  assert(conf != NULL);
578  
579 +  /* Make sure conf is useful */
580 +  assert(conf);
581  
582 <  getnameinfo((struct sockaddr *)&conf->addr, conf->addr.ss_len,
582 >  getnameinfo((const struct sockaddr *)&conf->addr, conf->addr.ss_len,
583                buf, sizeof(buf), NULL, 0, NI_NUMERICHOST);
584    ilog(LOG_TYPE_IRCD, "Connect to %s[%s] @%s", conf->name, conf->host,
585         buf);
# Line 1076 | Line 587 | serv_connect(struct MaskItem *conf, stru
587    /* Still processing a DNS lookup? -> exit */
588    if (conf->dns_pending)
589    {
590 <    sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
590 >    sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE,
591                           "Error connecting to %s: DNS lookup for connect{} in progress.",
592                           conf->name);
593 <    return (0);
593 >    return 0;
594    }
595  
596    if (conf->dns_failed)
597    {
598 <    sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
598 >    sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE,
599                           "Error connecting to %s: DNS lookup for connect{} failed.",
600                           conf->name);
601 <    return (0);
601 >    return 0;
602    }
603  
604    /* Make sure this server isn't already connected
605     * Note: conf should ALWAYS be a valid C: line
606     */
607 <  if ((client_p = hash_find_server(conf->name)) != NULL)
607 >  if ((client_p = hash_find_server(conf->name)))
608    {
609 <    sendto_realops_flags(UMODE_ALL, L_ADMIN, SEND_NOTICE,
609 >    sendto_realops_flags(UMODE_SERVNOTICE, L_ADMIN, SEND_NOTICE,
610                           "Server %s already present from %s",
611                           conf->name, get_client_name(client_p, SHOW_IP));
612 <    sendto_realops_flags(UMODE_ALL, L_OPER, SEND_NOTICE,
612 >    sendto_realops_flags(UMODE_SERVNOTICE, L_OPER, SEND_NOTICE,
613                           "Server %s already present from %s",
614                           conf->name, get_client_name(client_p, MASK_IP));
615      if (by && IsClient(by) && !MyClient(by))
# Line 1118 | Line 629 | serv_connect(struct MaskItem *conf, stru
629    strlcpy(client_p->sockhost, buf, sizeof(client_p->sockhost));
630  
631    /* create a socket for the server connection */
632 <  if (comm_open(&client_p->localClient->fd, conf->addr.ss.ss_family,
1122 <                SOCK_STREAM, 0, NULL) < 0)
632 >  if (comm_open(&client_p->connection->fd, conf->addr.ss.ss_family, SOCK_STREAM, 0, NULL) < 0)
633    {
634      /* Eek, failure to create the socket */
635 <    report_error(L_ALL, "opening stream socket to %s: %s",
636 <                 conf->name, errno);
635 >    report_error(L_ALL, "opening stream socket to %s: %s", conf->name, errno);
636 >
637      SetDead(client_p);
638 <    exit_client(client_p, &me, "Connection failed");
638 >    exit_client(client_p, "Connection failed");
639      return 0;
640    }
641  
642    /* servernames are always guaranteed under HOSTLEN chars */
643 <  fd_note(&client_p->localClient->fd, "Server: %s", conf->name);
643 >  fd_note(&client_p->connection->fd, "Server: %s", conf->name);
644  
645    /* Attach config entries to client here rather than in
646     * serv_connect_callback(). This to avoid null pointer references.
647     */
648    if (!attach_connect_block(client_p, conf->name, conf->host))
649    {
650 <    sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
651 <                         "Host %s is not enabled for connecting: no connect{} block",
650 >    sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE,
651 >                         "Host %s is not enabled for connecting: no connect {} block",
652                           conf->name);
653      if (by && IsClient(by) && !MyClient(by))
654 <      sendto_one_notice(by, &me, ":Connect to host %s failed.", client_p->name);
654 >      sendto_one_notice(by, &me, ":Connect to host %s failed: no connect {} block", client_p->name);
655  
656      SetDead(client_p);
657 <    exit_client(client_p, client_p, "Connection failed");
657 >    exit_client(client_p, "Connection failed");
658      return 0;
659    }
660  
# Line 1162 | Line 672 | serv_connect(struct MaskItem *conf, stru
672      strlcpy(client_p->serv->by, "AutoConn.", sizeof(client_p->serv->by));
673  
674    SetConnecting(client_p);
675 <  dlinkAdd(client_p, &client_p->node, &global_client_list);
1166 <  /* from def_fam */
1167 <  client_p->localClient->aftype = conf->aftype;
675 >  client_p->connection->aftype = conf->aftype;
676  
677    /* Now, initiate the connection */
678    /* XXX assume that a non 0 type means a specific bind address
# Line 1174 | Line 682 | serv_connect(struct MaskItem *conf, stru
682    {
683      case AF_INET:
684        v4 = (struct sockaddr_in*)&conf->bind;
685 <      if (v4->sin_addr.s_addr != 0)
685 >      if (v4->sin_addr.s_addr)
686        {
687          struct irc_ssaddr ipn;
688          memset(&ipn, 0, sizeof(struct irc_ssaddr));
689          ipn.ss.ss_family = AF_INET;
690          ipn.ss_port = 0;
691          memcpy(&ipn, &conf->bind, sizeof(struct irc_ssaddr));
692 <        comm_connect_tcp(&client_p->localClient->fd, conf->host, conf->port,
692 >        comm_connect_tcp(&client_p->connection->fd, conf->host, conf->port,
693                           (struct sockaddr *)&ipn, ipn.ss_len,
694                           serv_connect_callback, client_p, conf->aftype,
695                           CONNECTTIMEOUT);
696        }
697 <      else if (ServerInfo.specific_ipv4_vhost)
697 >      else if (ConfigServerInfo.specific_ipv4_vhost)
698        {
699          struct irc_ssaddr ipn;
700          memset(&ipn, 0, sizeof(struct irc_ssaddr));
701          ipn.ss.ss_family = AF_INET;
702          ipn.ss_port = 0;
703 <        memcpy(&ipn, &ServerInfo.ip, sizeof(struct irc_ssaddr));
704 <        comm_connect_tcp(&client_p->localClient->fd, conf->host, conf->port,
703 >        memcpy(&ipn, &ConfigServerInfo.ip, sizeof(struct irc_ssaddr));
704 >        comm_connect_tcp(&client_p->connection->fd, conf->host, conf->port,
705                           (struct sockaddr *)&ipn, ipn.ss_len,
706                           serv_connect_callback, client_p, conf->aftype,
707                           CONNECTTIMEOUT);
708        }
709        else
710 <        comm_connect_tcp(&client_p->localClient->fd, conf->host, conf->port,
710 >        comm_connect_tcp(&client_p->connection->fd, conf->host, conf->port,
711                           NULL, 0, serv_connect_callback, client_p, conf->aftype,
712                           CONNECTTIMEOUT);
713        break;
1206 #ifdef IPV6
714      case AF_INET6:
715        {
716          struct irc_ssaddr ipn;
# Line 1214 | Line 721 | serv_connect(struct MaskItem *conf, stru
721          v6conf = (struct sockaddr_in6 *)&conf->bind;
722          v6 = (struct sockaddr_in6 *)&ipn;
723  
724 <        if (memcmp(&v6conf->sin6_addr, &v6->sin6_addr, sizeof(struct in6_addr)) != 0)
724 >        if (memcmp(&v6conf->sin6_addr, &v6->sin6_addr, sizeof(struct in6_addr)))
725          {
726            memcpy(&ipn, &conf->bind, sizeof(struct irc_ssaddr));
727            ipn.ss.ss_family = AF_INET6;
728            ipn.ss_port = 0;
729 <          comm_connect_tcp(&client_p->localClient->fd,
729 >          comm_connect_tcp(&client_p->connection->fd,
730                             conf->host, conf->port,
731                             (struct sockaddr *)&ipn, ipn.ss_len,
732                             serv_connect_callback, client_p,
733                             conf->aftype, CONNECTTIMEOUT);
734          }
735 <        else if (ServerInfo.specific_ipv6_vhost)
735 >        else if (ConfigServerInfo.specific_ipv6_vhost)
736          {
737 <          memcpy(&ipn, &ServerInfo.ip6, sizeof(struct irc_ssaddr));
737 >          memcpy(&ipn, &ConfigServerInfo.ip6, sizeof(struct irc_ssaddr));
738            ipn.ss.ss_family = AF_INET6;
739            ipn.ss_port = 0;
740 <          comm_connect_tcp(&client_p->localClient->fd,
740 >          comm_connect_tcp(&client_p->connection->fd,
741                             conf->host, conf->port,
742                             (struct sockaddr *)&ipn, ipn.ss_len,
743                             serv_connect_callback, client_p,
744                             conf->aftype, CONNECTTIMEOUT);
745          }
746          else
747 <          comm_connect_tcp(&client_p->localClient->fd,
747 >          comm_connect_tcp(&client_p->connection->fd,
748                             conf->host, conf->port,
749                             NULL, 0, serv_connect_callback, client_p,
750                             conf->aftype, CONNECTTIMEOUT);
751        }
1245 #endif
752    }
753 +
754    return 1;
755   }
756  
# Line 1253 | Line 760 | finish_ssl_server_handshake(struct Clien
760   {
761    struct MaskItem *conf = NULL;
762  
763 <  conf = find_conf_name(&client_p->localClient->confs,
763 >  conf = find_conf_name(&client_p->connection->confs,
764                          client_p->name, CONF_SERVER);
765    if (conf == NULL)
766    {
767 <    sendto_realops_flags(UMODE_ALL, L_ADMIN, SEND_NOTICE,
767 >    sendto_realops_flags(UMODE_SERVNOTICE, L_ADMIN, SEND_NOTICE,
768                           "Lost connect{} block for %s", get_client_name(client_p, HIDE_IP));
769 <    sendto_realops_flags(UMODE_ALL, L_OPER, SEND_NOTICE,
769 >    sendto_realops_flags(UMODE_SERVNOTICE, L_OPER, SEND_NOTICE,
770                           "Lost connect{} block for %s", get_client_name(client_p, MASK_IP));
771  
772 <    exit_client(client_p, &me, "Lost connect{} block");
772 >    exit_client(client_p, "Lost connect{} block");
773      return;
774    }
775  
776    sendto_one(client_p, "PASS %s TS %d %s", conf->spasswd, TS_CURRENT, me.id);
777  
778 <  send_capabilities(client_p, 0);
778 >  send_capabilities(client_p);
779  
780    sendto_one(client_p, "SERVER %s 1 :%s%s",
781               me.name, ConfigServerHide.hidden ? "(H) " : "",
# Line 1279 | Line 786 | finish_ssl_server_handshake(struct Clien
786     */
787    if (IsDead(client_p))
788    {
789 <      sendto_realops_flags(UMODE_ALL, L_ADMIN, SEND_NOTICE,
789 >      sendto_realops_flags(UMODE_SERVNOTICE, L_ADMIN, SEND_NOTICE,
790                             "%s[%s] went dead during handshake",
791                             client_p->name,
792                             client_p->host);
793 <      sendto_realops_flags(UMODE_ALL, L_OPER, SEND_NOTICE,
793 >      sendto_realops_flags(UMODE_SERVNOTICE, L_OPER, SEND_NOTICE,
794                             "%s went dead during handshake", client_p->name);
795        return;
796    }
797  
798    /* don't move to serv_list yet -- we haven't sent a burst! */
799    /* If we get here, we're ok, so lets start reading some data */
800 <  comm_setselect(&client_p->localClient->fd, COMM_SELECT_READ, read_packet, client_p, 0);
800 >  comm_setselect(&client_p->connection->fd, COMM_SELECT_READ, read_packet, client_p, 0);
801   }
802  
803   static void
804 < ssl_server_handshake(fde_t *fd, struct Client *client_p)
804 > ssl_server_handshake(fde_t *fd, void *data)
805   {
806 +  struct Client *client_p = data;
807    X509 *cert = NULL;
808    int ret = 0;
809  
810 <  if ((ret = SSL_connect(client_p->localClient->fd.ssl)) <= 0)
810 >  if ((ret = SSL_connect(client_p->connection->fd.ssl)) <= 0)
811    {
812 <    switch (SSL_get_error(client_p->localClient->fd.ssl, ret))
812 >    if ((CurrentTime - client_p->connection->firsttime) > CONNECTTIMEOUT)
813 >    {
814 >      exit_client(client_p, "Timeout during SSL handshake");
815 >      return;
816 >    }
817 >
818 >    switch (SSL_get_error(client_p->connection->fd.ssl, ret))
819      {
820        case SSL_ERROR_WANT_WRITE:
821 <        comm_setselect(&client_p->localClient->fd, COMM_SELECT_WRITE,
822 <                       (PF *)ssl_server_handshake, client_p, 0);
821 >        comm_setselect(&client_p->connection->fd, COMM_SELECT_WRITE,
822 >                       ssl_server_handshake, client_p, CONNECTTIMEOUT);
823          return;
824        case SSL_ERROR_WANT_READ:
825 <        comm_setselect(&client_p->localClient->fd, COMM_SELECT_READ,
826 <                       (PF *)ssl_server_handshake, client_p, 0);
825 >        comm_setselect(&client_p->connection->fd, COMM_SELECT_READ,
826 >                       ssl_server_handshake, client_p, CONNECTTIMEOUT);
827          return;
828        default:
829        {
830          const char *sslerr = ERR_error_string(ERR_get_error(), NULL);
831 <        sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
831 >        sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE,
832                               "Error connecting to %s: %s", client_p->name,
833                               sslerr ? sslerr : "unknown SSL error");
834 <        exit_client(client_p, client_p, "Error during SSL handshake");
834 >        exit_client(client_p, "Error during SSL handshake");
835          return;
836        }
837      }
838    }
839  
840 <  if ((cert = SSL_get_peer_certificate(client_p->localClient->fd.ssl)))
840 >  comm_settimeout(&client_p->connection->fd, 0, NULL, NULL);
841 >
842 >  if ((cert = SSL_get_peer_certificate(client_p->connection->fd.ssl)))
843    {
844 <    int res = SSL_get_verify_result(client_p->localClient->fd.ssl);
845 <    char buf[EVP_MAX_MD_SIZE * 2 + 1] = { '\0' };
846 <    unsigned char md[EVP_MAX_MD_SIZE] = { '\0' };
844 >    int res = SSL_get_verify_result(client_p->connection->fd.ssl);
845 >    char buf[EVP_MAX_MD_SIZE * 2 + 1] = "";
846 >    unsigned char md[EVP_MAX_MD_SIZE] = "";
847  
848      if (res == X509_V_OK || res == X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN ||
849          res == X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE ||
850          res == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
851      {
852 <      unsigned int i = 0, n = 0;
852 >      unsigned int n = 0;
853  
854 <      if (X509_digest(cert, EVP_sha256(), md, &n))
854 >      if (X509_digest(cert, ConfigServerInfo.message_digest_algorithm, md, &n))
855        {
856 <        for (; i < n; ++i)
1341 <          snprintf(buf + 2 * i, 3, "%02X", md[i]);
856 >        binary_to_hex(md, buf, n);
857          client_p->certfp = xstrdup(buf);
858        }
859      }
# Line 1354 | Line 869 | ssl_server_handshake(fde_t *fd, struct C
869   static void
870   ssl_connect_init(struct Client *client_p, struct MaskItem *conf, fde_t *fd)
871   {
872 <  if ((client_p->localClient->fd.ssl = SSL_new(ServerInfo.client_ctx)) == NULL)
872 >  if ((client_p->connection->fd.ssl = SSL_new(ConfigServerInfo.client_ctx)) == NULL)
873    {
874      ilog(LOG_TYPE_IRCD, "SSL_new() ERROR! -- %s",
875           ERR_error_string(ERR_get_error(), NULL));
876      SetDead(client_p);
877 <    exit_client(client_p, client_p, "SSL_new failed");
877 >    exit_client(client_p, "SSL_new failed");
878      return;
879    }
880  
881    SSL_set_fd(fd->ssl, fd->fd);
882  
883    if (!EmptyString(conf->cipher_list))
884 <    SSL_set_cipher_list(client_p->localClient->fd.ssl, conf->cipher_list);
884 >    SSL_set_cipher_list(client_p->connection->fd.ssl, conf->cipher_list);
885  
886    ssl_server_handshake(NULL, client_p);
887   }
# Line 1386 | Line 901 | serv_connect_callback(fde_t *fd, int sta
901    struct Client *client_p = data;
902    struct MaskItem *conf = NULL;
903  
904 <  /* First, make sure its a real client! */
905 <  assert(client_p != NULL);
906 <  assert(&client_p->localClient->fd == fd);
904 >  /* First, make sure it's a real client! */
905 >  assert(client_p);
906 >  assert(&client_p->connection->fd == fd);
907  
908    /* Next, for backward purposes, record the ip of the server */
909 <  memcpy(&client_p->localClient->ip, &fd->connect.hostaddr,
909 >  memcpy(&client_p->connection->ip, &fd->connect.hostaddr,
910           sizeof(struct irc_ssaddr));
911 +
912    /* Check the status */
913    if (status != COMM_OK)
914    {
# Line 1400 | Line 916 | serv_connect_callback(fde_t *fd, int sta
916       * Admins get to see any IP, mere opers don't *sigh*
917       */
918       if (ConfigServerHide.hide_server_ips)
919 <       sendto_realops_flags(UMODE_ALL, L_ADMIN, SEND_NOTICE,
919 >       sendto_realops_flags(UMODE_SERVNOTICE, L_ADMIN, SEND_NOTICE,
920                              "Error connecting to %s: %s",
921                              client_p->name, comm_errstr(status));
922       else
923 <       sendto_realops_flags(UMODE_ALL, L_ADMIN, SEND_NOTICE,
923 >       sendto_realops_flags(UMODE_SERVNOTICE, L_ADMIN, SEND_NOTICE,
924                              "Error connecting to %s[%s]: %s", client_p->name,
925                              client_p->host, comm_errstr(status));
926  
927 <     sendto_realops_flags(UMODE_ALL, L_OPER, SEND_NOTICE,
927 >     sendto_realops_flags(UMODE_SERVNOTICE, L_OPER, SEND_NOTICE,
928                            "Error connecting to %s: %s",
929                            client_p->name, comm_errstr(status));
930  
# Line 1421 | Line 937 | serv_connect_callback(fde_t *fd, int sta
937  
938    /* COMM_OK, so continue the connection procedure */
939    /* Get the C/N lines */
940 <  conf = find_conf_name(&client_p->localClient->confs,
940 >  conf = find_conf_name(&client_p->connection->confs,
941                          client_p->name, CONF_SERVER);
942    if (conf == NULL)
943    {
944 <    sendto_realops_flags(UMODE_ALL, L_ADMIN, SEND_NOTICE,
944 >    sendto_realops_flags(UMODE_SERVNOTICE, L_ADMIN, SEND_NOTICE,
945                           "Lost connect{} block for %s", get_client_name(client_p, HIDE_IP));
946 <    sendto_realops_flags(UMODE_ALL, L_OPER, SEND_NOTICE,
946 >    sendto_realops_flags(UMODE_SERVNOTICE, L_OPER, SEND_NOTICE,
947                           "Lost connect{} block for %s", get_client_name(client_p, MASK_IP));
948  
949 <    exit_client(client_p, &me, "Lost connect{} block");
949 >    exit_client(client_p, "Lost connect{} block");
950      return;
951    }
952  
# Line 1447 | Line 963 | serv_connect_callback(fde_t *fd, int sta
963  
964    sendto_one(client_p, "PASS %s TS %d %s", conf->spasswd, TS_CURRENT, me.id);
965  
966 <  send_capabilities(client_p, 0);
966 >  send_capabilities(client_p);
967  
968    sendto_one(client_p, "SERVER %s 1 :%s%s", me.name,
969               ConfigServerHide.hidden ? "(H) " : "", me.info);
# Line 1457 | Line 973 | serv_connect_callback(fde_t *fd, int sta
973     */
974    if (IsDead(client_p))
975    {
976 <      sendto_realops_flags(UMODE_ALL, L_ADMIN, SEND_NOTICE,
976 >      sendto_realops_flags(UMODE_SERVNOTICE, L_ADMIN, SEND_NOTICE,
977                             "%s[%s] went dead during handshake",
978                             client_p->name,
979                             client_p->host);
980 <      sendto_realops_flags(UMODE_ALL, L_OPER, SEND_NOTICE,
980 >      sendto_realops_flags(UMODE_SERVNOTICE, L_OPER, SEND_NOTICE,
981                             "%s went dead during handshake", client_p->name);
982        return;
983    }

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