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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 3136 by michael, Tue Mar 11 18:24:03 2014 UTC vs.
ircd-hybrid/trunk/src/server.c (file contents), Revision 7006 by michael, Fri Jan 1 00:07:54 2016 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) 1997-2016 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  
56 #define MIN_CONN_FREQ 300
51  
52   dlink_list flatten_links;
53 < static dlink_list cap_list = { NULL, NULL, 0 };
54 < 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;
53 > static dlink_list server_capabilities_list;
54 > static void serv_connect_callback(fde_t *, int, void *);
55  
66 static void burst_members(struct Client *, struct Channel *);
56  
57   /*
58   * write_links_file
# Line 74 | Line 63 | static void burst_members(struct Client
63   *                but in no particular order.
64   */
65   void
66 < write_links_file(void *notused)
66 > write_links_file(void *unused)
67   {
68    FILE *file = NULL;
69 <  dlink_node *ptr = NULL, *ptr_next = NULL;
70 <  char buff[IRCD_BUFSIZE] = { '\0' };
69 >  dlink_node *node = NULL, *node_next = NULL;
70 >  char buff[IRCD_BUFSIZE] = "";
71  
72 <  if ((file = fopen(LIPATH, "w")) == NULL)
72 >  if (EmptyString(ConfigServerHide.flatten_links_file))
73      return;
74  
75 <  DLINK_FOREACH_SAFE(ptr, ptr_next, flatten_links.head)
75 >  if ((file = fopen(ConfigServerHide.flatten_links_file, "w")) == NULL)
76    {
77 <    dlinkDelete(ptr, &flatten_links);
78 <    MyFree(ptr->data);
79 <    free_dlink_node(ptr);
77 >    ilog(LOG_TYPE_IRCD, "Couldn't open \"%s\": %s", ConfigServerHide.flatten_links_file,
78 >         strerror(errno));
79 >    return;
80    }
81  
82 <  DLINK_FOREACH(ptr, global_serv_list.head)
82 >  DLINK_FOREACH_SAFE(node, node_next, flatten_links.head)
83    {
84 <    const struct Client *target_p = ptr->data;
84 >    dlinkDelete(node, &flatten_links);
85 >    MyFree(node->data);
86 >    free_dlink_node(node);
87 >  }
88 >
89 >  DLINK_FOREACH(node, global_server_list.head)
90 >  {
91 >    const struct Client *target_p = node->data;
92  
93      /*
94       * Skip hidden servers, aswell as ourselves, since we already send
# Line 127 | Line 123 | read_links_file(void)
123   {
124    FILE *file = NULL;
125    char *p = NULL;
126 <  char buff[IRCD_BUFSIZE] = { '\0' };
126 >  char buff[IRCD_BUFSIZE] = "";
127 >
128 >  if (EmptyString(ConfigServerHide.flatten_links_file))
129 >    return;
130  
131 <  if ((file = fopen(LIPATH, "r")) == NULL)
131 >  if ((file = fopen(ConfigServerHide.flatten_links_file, "r")) == NULL)
132 >  {
133 >    ilog(LOG_TYPE_IRCD, "Couldn't open \"%s\": %s", ConfigServerHide.flatten_links_file,
134 >         strerror(errno));
135      return;
136 +  }
137  
138    while (fgets(buff, sizeof(buff), file))
139    {
140 <    if ((p = strchr(buff, '\n')) != NULL)
140 >    if ((p = strchr(buff, '\n')))
141        *p = '\0';
142  
143      dlinkAddTail(xstrdup(buff), make_dlink_node(), &flatten_links);
# Line 163 | Line 166 | read_links_file(void)
166   *      returns: (see #defines)
167   */
168   int
169 < hunt_server(struct Client *client_p, struct Client *source_p, const char *command,
169 > hunt_server(struct Client *source_p, const char *command,
170              const int server, const int parc, char *parv[])
171   {
172    struct Client *target_p = NULL;
173 <  struct Client *target_tmp = NULL;
171 <  dlink_node *ptr;
172 <  int wilds;
173 >  dlink_node *node = NULL;
174  
175    /* Assume it's me, if no server */
176    if (parc <= server || EmptyString(parv[server]))
177      return HUNTED_ISME;
178  
179 <  if (!strcmp(parv[server], me.id) || !match(parv[server], me.name))
180 <    return HUNTED_ISME;
179 >  if ((target_p = find_person(source_p, parv[server])) == NULL)
180 >    target_p = hash_find_server(parv[server]);
181  
182 <  /* These are to pickup matches that would cause the following
182 >  /*
183 >   * These are to pickup matches that would cause the following
184     * message to go in the wrong direction while doing quick fast
185     * non-matching lookups.
186     */
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
187    if (target_p)
188      if (target_p->from == source_p->from && !MyConnect(target_p))
189        target_p = NULL;
190  
191 <  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)
191 >  if (!target_p && has_wildcards(parv[server]))
192    {
193 <    if (!wilds)
193 >    DLINK_FOREACH(node, global_server_list.head)
194      {
195 <      if (!(target_p = hash_find_server(parv[server])))
195 >      struct Client *tmp = node->data;
196 >
197 >      assert(IsMe(tmp) || IsServer(tmp));
198 >      if (!match(parv[server], tmp->name))
199        {
200 <        sendto_one_numeric(source_p, &me, ERR_NOSUCHSERVER, parv[server]);
201 <        return HUNTED_NOSUCH;
200 >        if (tmp->from == source_p->from && !MyConnect(tmp))
201 >          continue;
202 >
203 >        target_p = node->data;
204 >        break;
205        }
206      }
207 <    else
207 >
208 >    if (!target_p)
209      {
210 <      DLINK_FOREACH(ptr, global_client_list.head)
210 >      DLINK_FOREACH(node, global_client_list.head)
211        {
212 <        target_tmp = ptr->data;
212 >        struct Client *tmp = node->data;
213  
214 <        if (!match(parv[server], target_tmp->name))
214 >        assert(IsMe(tmp) || IsServer(tmp) || IsClient(tmp));
215 >        if (!match(parv[server], tmp->name))
216          {
217 <          if (target_tmp->from == source_p->from && !MyConnect(target_tmp))
217 >          if (tmp->from == source_p->from && !MyConnect(tmp))
218              continue;
223          target_p = ptr->data;
219  
220 <          if (IsRegistered(target_p) && (target_p != client_p))
221 <            break;
220 >          target_p = node->data;
221 >          break;
222          }
223        }
224      }
225    }
226  
227 <  if (target_p != NULL)
227 >  if (target_p)
228    {
229 <    if(!IsRegistered(target_p))
235 <    {
236 <      sendto_one_numeric(source_p, &me, ERR_NOSUCHSERVER, parv[server]);
237 <      return HUNTED_NOSUCH;
238 <    }
239 <
229 >    assert(IsMe(target_p) || IsServer(target_p) || IsClient(target_p));
230      if (IsMe(target_p) || MyClient(target_p))
231        return HUNTED_ISME;
232  
233 <    if (match(target_p->name, parv[server]))
234 <      parv[server] = target_p->name;
245 <
246 <    /* This is a little kludgy but should work... */
247 <    sendto_one(target_p, command, ID_or_name(source_p, target_p),
233 >    parv[server] = target_p->id;
234 >    sendto_one(target_p, command, source_p->id,
235                 parv[1], parv[2], parv[3], parv[4],
236                 parv[5], parv[6], parv[7], parv[8]);
237      return HUNTED_PASS;
# Line 267 | Line 254 | hunt_server(struct Client *client_p, str
254   void
255   try_connections(void *unused)
256   {
257 <  dlink_node *ptr = NULL;
271 <  struct MaskItem *conf;
272 <  int confrq;
257 >  dlink_node *node = NULL;
258  
274  /* TODO: change this to set active flag to 0 when added to event! --Habeeb */
259    if (GlobalSetOptions.autoconn == 0)
260      return;
261  
262 <  DLINK_FOREACH(ptr, server_items.head)
262 >  DLINK_FOREACH(node, server_items.head)
263    {
264 <    conf = ptr->data;
264 >    struct MaskItem *conf = node->data;
265  
266      assert(conf->type == CONF_SERVER);
267  
268 <    /* Also when already connecting! (update holdtimes) --SRB
269 <     */
286 <    if (!conf->port ||!IsConfAllowAutoConn(conf))
268 >    /* Also when already connecting! (update holdtimes) --SRB */
269 >    if (!conf->port || !IsConfAllowAutoConn(conf))
270        continue;
271  
272 <
273 <    /* Skip this entry if the use of it is still on hold until
272 >    /*
273 >     * Skip this entry if the use of it is still on hold until
274       * future. Otherwise handle this entry (and set it on hold
275       * until next time). Will reset only hold times, if already
276       * made one successfull connection... [this algorithm is
# Line 296 | Line 279 | try_connections(void *unused)
279      if (conf->until > CurrentTime)
280        continue;
281  
282 <    if (conf->class == NULL)
300 <      confrq = DEFAULT_CONNECTFREQUENCY;
301 <    else
302 <    {
303 <      confrq = conf->class->con_freq;
304 <      if (confrq < MIN_CONN_FREQ)
305 <        confrq = MIN_CONN_FREQ;
306 <    }
282 >    assert(conf->class);
283  
284 <    conf->until = CurrentTime + confrq;
284 >    conf->until = CurrentTime + conf->class->con_freq;
285  
286 <    /* Found a CONNECT config with port specified, scan clients
286 >    /*
287 >     * Found a CONNECT config with port specified, scan clients
288       * and see if this server is already connected?
289       */
290 <    if (hash_find_server(conf->name) != NULL)
290 >    if (hash_find_server(conf->name))
291        continue;
292  
293      if (conf->class->ref_count < conf->class->max_total)
294      {
295 <      /* Go to the end of the list, if not already last */
296 <      if (ptr->next != NULL)
295 >      /* Move this entry to the end of the list, if not already last */
296 >      if (node->next)
297        {
298 <        dlinkDelete(ptr, &server_items);
298 >        dlinkDelete(node, &server_items);
299          dlinkAddTail(conf, &conf->node, &server_items);
300        }
301  
302        if (find_servconn_in_progress(conf->name))
303          return;
304  
305 <      /* We used to only print this if serv_connect() actually
305 >      /*
306 >       * We used to only print this if serv_connect() actually
307         * succeeded, but since comm_tcp_connect() can call the callback
308         * immediately if there is an error, we were getting error messages
309         * in the wrong order. SO, we just print out the activated line,
# Line 334 | Line 312 | try_connections(void *unused)
312         *   -- adrian
313         */
314        if (ConfigServerHide.hide_server_ips)
315 <        sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
315 >        sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE,
316                               "Connection to %s activated.",
317                               conf->name);
318        else
319 <        sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
319 >        sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE,
320                               "Connection to %s[%s] activated.",
321                               conf->name, conf->host);
322  
# Line 352 | Line 330 | try_connections(void *unused)
330   int
331   valid_servname(const char *name)
332   {
333 <  unsigned int length = 0;
356 <  unsigned int dots   = 0;
333 >  unsigned int dots = 0;
334    const char *p = name;
335  
336    for (; *p; ++p)
# Line 361 | Line 338 | valid_servname(const char *name)
338      if (!IsServChar(*p))
339        return 0;
340  
364    ++length;
365
341      if (*p == '.')
342        ++dots;
343    }
344  
345 <  return dots != 0 && length <= HOSTLEN;
345 >  return dots && (p - name) <= HOSTLEN;
346   }
347  
348   int
349   check_server(const char *name, struct Client *client_p)
350   {
351 <  dlink_node *ptr;
351 >  dlink_node *node = NULL;
352    struct MaskItem *conf        = NULL;
353    struct MaskItem *server_conf = NULL;
354    int error = -1;
355  
356 <  assert(client_p != NULL);
356 >  assert(client_p);
357  
358 <  /* loop through looking for all possible connect items that might work */
359 <  DLINK_FOREACH(ptr, server_items.head)
358 >  /* Loop through looking for all possible connect items that might work */
359 >  DLINK_FOREACH(node, server_items.head)
360    {
361 <    conf = ptr->data;
361 >    conf = node->data;
362  
363      if (match(name, conf->name))
364        continue;
365  
366      error = -3;
367  
393    /* XXX: Fix me for IPv6                    */
394    /* XXX sockhost is the IPv4 ip as a string */
368      if (!match(conf->host, client_p->host) ||
369          !match(conf->host, client_p->sockhost))
370      {
371        error = -2;
372  
373 <      if (!match_conf_password(client_p->localClient->passwd, conf))
373 >      if (!match_conf_password(client_p->connection->password, conf))
374          return -2;
375  
376        if (!EmptyString(conf->certfp))
# Line 413 | Line 386 | check_server(const char *name, struct Cl
386  
387    attach_conf(client_p, server_conf);
388  
389 <
417 <  if (server_conf != NULL)
389 >  switch (server_conf->aftype)
390    {
391 <    struct sockaddr_in *v4;
420 < #ifdef IPV6
421 <    struct sockaddr_in6 *v6;
422 < #endif
423 <    switch (server_conf->aftype)
391 >    case AF_INET6:
392      {
393 < #ifdef IPV6
426 <      case AF_INET6:
427 <        v6 = (struct sockaddr_in6 *)&server_conf->addr;
393 >      const struct sockaddr_in6 *v6 = (struct sockaddr_in6 *)&server_conf->addr;
394  
395 <        if (IN6_IS_ADDR_UNSPECIFIED(&v6->sin6_addr))
396 <          memcpy(&server_conf->addr, &client_p->localClient->ip, sizeof(struct irc_ssaddr));
397 <        break;
398 < #endif
399 <      case AF_INET:
400 <        v4 = (struct sockaddr_in *)&server_conf->addr;
395 >      if (IN6_IS_ADDR_UNSPECIFIED(&v6->sin6_addr))
396 >        memcpy(&server_conf->addr, &client_p->connection->ip, sizeof(struct irc_ssaddr));
397 >      break;
398 >    }
399 >    case AF_INET:
400 >    {
401 >      const struct sockaddr_in *v4 = (struct sockaddr_in *)&server_conf->addr;
402  
403 <        if (v4->sin_addr.s_addr == INADDR_NONE)
404 <          memcpy(&server_conf->addr, &client_p->localClient->ip, sizeof(struct irc_ssaddr));
405 <        break;
403 >      if (v4->sin_addr.s_addr == INADDR_NONE)
404 >        memcpy(&server_conf->addr, &client_p->connection->ip, sizeof(struct irc_ssaddr));
405 >      break;
406      }
407    }
408  
# Line 452 | Line 419 | check_server(const char *name, struct Cl
419   *                modules to dynamically add or subtract their capability.
420   */
421   void
422 < add_capability(const char *capab_name, int cap_flag, int add_to_default)
422 > add_capability(const char *name, unsigned int flag)
423   {
424 <  struct Capability *cap = MyMalloc(sizeof(*cap));
458 <
459 <  cap->name = xstrdup(capab_name);
460 <  cap->cap = cap_flag;
461 <  dlinkAdd(cap, &cap->node, &cap_list);
424 >  struct Capability *cap = MyCalloc(sizeof(*cap));
425  
426 <  if (add_to_default)
427 <    default_server_capabs |= cap_flag;
426 >  cap->name = xstrdup(name);
427 >  cap->cap = flag;
428 >  dlinkAdd(cap, &cap->node, &server_capabilities_list);
429   }
430  
431   /* delete_capability()
# Line 470 | Line 434 | add_capability(const char *capab_name, i
434   * output       - NONE
435   * side effects - delete given capability from ones known.
436   */
437 < int
438 < delete_capability(const char *capab_name)
437 > void
438 > delete_capability(const char *name)
439   {
440 <  dlink_node *ptr;
477 <  dlink_node *next_ptr;
478 <  struct Capability *cap;
440 >  dlink_node *node = NULL, *node_next = NULL;
441  
442 <  DLINK_FOREACH_SAFE(ptr, next_ptr, cap_list.head)
442 >  DLINK_FOREACH_SAFE(node, node_next, server_capabilities_list.head)
443    {
444 <    cap = ptr->data;
444 >    struct Capability *cap = node->data;
445  
446 <    if (cap->cap != 0)
446 >    if (!irccmp(cap->name, name))
447      {
448 <      if (irccmp(cap->name, capab_name) == 0)
449 <      {
450 <        default_server_capabs &= ~(cap->cap);
489 <        dlinkDelete(ptr, &cap_list);
490 <        MyFree(cap->name);
491 <        MyFree(cap);
492 <      }
448 >      dlinkDelete(node, &server_capabilities_list);
449 >      MyFree(cap->name);
450 >      MyFree(cap);
451      }
452    }
495
496  return 0;
453   }
454  
455   /*
# Line 504 | Line 460 | delete_capability(const char *capab_name
460   * side effects - none
461   */
462   unsigned int
463 < find_capability(const char *capab)
463 > find_capability(const char *name)
464   {
465 <  const dlink_node *ptr = NULL;
465 >  const dlink_node *node = NULL;
466  
467 <  DLINK_FOREACH(ptr, cap_list.head)
467 >  DLINK_FOREACH(node, server_capabilities_list.head)
468    {
469 <    const struct Capability *cap = ptr->data;
469 >    const struct Capability *cap = node->data;
470  
471 <    if (cap->cap && !irccmp(cap->name, capab))
471 >    if (!irccmp(cap->name, name))
472        return cap->cap;
473    }
474  
# Line 528 | Line 484 | find_capability(const char *capab)
484   *
485   */
486   void
487 < send_capabilities(struct Client *client_p, int cap_can_send)
487 > send_capabilities(struct Client *client_p)
488   {
489 <  struct Capability *cap=NULL;
490 <  char msgbuf[IRCD_BUFSIZE];
535 <  char *t;
536 <  int tl;
537 <  dlink_node *ptr;
538 <
539 <  t = msgbuf;
489 >  char buf[IRCD_BUFSIZE] = "";
490 >  const dlink_node *node = NULL;
491  
492 <  DLINK_FOREACH(ptr, cap_list.head)
492 >  DLINK_FOREACH(node, server_capabilities_list.head)
493    {
494 <    cap = ptr->data;
494 >    const struct Capability *cap = node->data;
495  
496 <    if (cap->cap & (cap_can_send|default_server_capabs))
546 <    {
547 <      tl = sprintf(t, "%s ", cap->name);
548 <      t += tl;
549 <    }
550 <  }
551 <
552 <  *(t - 1) = '\0';
553 <  sendto_one(client_p, "CAPAB :%s", msgbuf);
554 < }
555 <
556 < /* sendnick_TS()
557 < *
558 < * inputs       - client (server) to send nick towards
559 < *          - client to send nick for
560 < * output       - NONE
561 < * side effects - NICK message is sent towards given client_p
562 < */
563 < void
564 < sendnick_TS(struct Client *client_p, struct Client *target_p)
565 < {
566 <  char ubuf[IRCD_BUFSIZE];
567 <
568 <  if (!IsClient(target_p))
569 <    return;
570 <
571 <  send_umode(NULL, target_p, 0, SEND_UMODES, ubuf);
496 >    strlcat(buf, cap->name, sizeof(buf));
497  
498 <  if (ubuf[0] == '\0')
499 <  {
575 <    ubuf[0] = '+';
576 <    ubuf[1] = '\0';
498 >    if (node->next)
499 >      strlcat(buf, " ", sizeof(buf));
500    }
501  
502 <  if (IsCapable(client_p, CAP_SVS))
580 <    sendto_one(client_p, ":%s UID %s %d %lu %s %s %s %s %s %s :%s",
581 <               target_p->servptr->id,
582 <               target_p->name, target_p->hopcount + 1,
583 <               (unsigned long) target_p->tsinfo,
584 <               ubuf, target_p->username, target_p->host,
585 <               (MyClient(target_p) && IsIPSpoof(target_p)) ?
586 <               "0" : target_p->sockhost, target_p->id,
587 <               target_p->svid, target_p->info);
588 <  else
589 <    sendto_one(client_p, ":%s UID %s %d %lu %s %s %s %s %s :%s",
590 <               target_p->servptr->id,
591 <               target_p->name, target_p->hopcount + 1,
592 <               (unsigned long) target_p->tsinfo,
593 <               ubuf, target_p->username, target_p->host,
594 <               (MyClient(target_p) && IsIPSpoof(target_p)) ?
595 <               "0" : target_p->sockhost, target_p->id, target_p->info);
596 <
597 <  if (!EmptyString(target_p->certfp))
598 <    sendto_one(client_p, ":%s CERTFP %s",
599 <               ID_or_name(target_p, client_p), target_p->certfp);
600 <
601 <  if (target_p->away[0])
602 <    sendto_one(client_p, ":%s AWAY :%s", ID_or_name(target_p, client_p),
603 <               target_p->away);
604 <
502 >  sendto_one(client_p, "CAPAB :%s", buf);
503   }
504  
505   /*
# Line 615 | Line 513 | const char *
513   show_capabilities(const struct Client *target_p)
514   {
515    static char msgbuf[IRCD_BUFSIZE] = "";
516 <  const dlink_node *ptr = NULL;
516 >  const dlink_node *node = NULL;
517  
518    strlcpy(msgbuf, "TS", sizeof(msgbuf));
519  
520 <  DLINK_FOREACH(ptr, cap_list.head)
520 >  DLINK_FOREACH(node, server_capabilities_list.head)
521    {
522 <    const struct Capability *cap = ptr->data;
522 >    const struct Capability *cap = node->data;
523  
524      if (!IsCapable(target_p, cap->cap))
525        continue;
# Line 644 | Line 542 | struct Server *
542   make_server(struct Client *client_p)
543   {
544    if (client_p->serv == NULL)
545 <    client_p->serv = MyMalloc(sizeof(struct Server));
545 >    client_p->serv = MyCalloc(sizeof(struct Server));
546  
547    return client_p->serv;
548   }
549  
652 /* server_estab()
653 *
654 * inputs       - pointer to a struct Client
655 * output       -
656 * side effects -
657 */
658 void
659 server_estab(struct Client *client_p)
660 {
661  struct Client *target_p;
662  struct MaskItem *conf = NULL;
663  char *host;
664  const char *inpath;
665  static char inpath_ip[HOSTLEN * 2 + USERLEN + 6];
666  dlink_node *ptr;
667 #ifdef HAVE_LIBCRYPTO
668  const COMP_METHOD *compression = NULL, *expansion = NULL;
669 #endif
670
671  assert(client_p != NULL);
672
673  strlcpy(inpath_ip, get_client_name(client_p, SHOW_IP), sizeof(inpath_ip));
674
675  inpath = get_client_name(client_p, MASK_IP); /* "refresh" inpath with host */
676  host   = client_p->name;
677
678  if ((conf = find_conf_name(&client_p->localClient->confs, host, CONF_SERVER))
679      == NULL)
680  {
681    /* This shouldn't happen, better tell the ops... -A1kmm */
682    sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
683                         "Warning: Lost connect{} block "
684                         "for server %s(this shouldn't happen)!", host);
685    exit_client(client_p, &me, "Lost connect{} block!");
686    return;
687  }
688
689  MyFree(client_p->localClient->passwd);
690  client_p->localClient->passwd = NULL;
691
692  /* Its got identd, since its a server */
693  SetGotId(client_p);
694
695  /* If there is something in the serv_list, it might be this
696   * connecting server..
697   */
698  if (!ServerInfo.hub && serv_list.head)
699  {
700    if (client_p != serv_list.head->data || serv_list.head->next)
701    {
702      ++ServerStats.is_ref;
703      sendto_one(client_p, "ERROR :I'm a leaf not a hub");
704      exit_client(client_p, &me, "I'm a leaf");
705      return;
706    }
707  }
708
709  if (IsUnknown(client_p))
710  {
711    sendto_one(client_p, "PASS %s TS %d %s", conf->spasswd, TS_CURRENT, me.id);
712
713    send_capabilities(client_p, 0);
714
715    sendto_one(client_p, "SERVER %s 1 :%s%s",
716               me.name, ConfigServerHide.hidden ? "(H) " : "", me.info);
717  }
718
719  sendto_one(client_p, "SVINFO %d %d 0 :%lu", TS_CURRENT, TS_MIN,
720             (unsigned long)CurrentTime);
721
722  if (HasID(client_p))
723    hash_add_id(client_p);
724
725  /* XXX Does this ever happen? I don't think so -db */
726  detach_conf(client_p, CONF_OPER);
727
728  /* *WARNING*
729  **    In the following code in place of plain server's
730  **    name we send what is returned by get_client_name
731  **    which may add the "sockhost" after the name. It's
732  **    *very* *important* that there is a SPACE between
733  **    the name and sockhost (if present). The receiving
734  **    server will start the information field from this
735  **    first blank and thus puts the sockhost into info.
736  **    ...a bit tricky, but you have been warned, besides
737  **    code is more neat this way...  --msa
738  */
739  client_p->servptr = &me;
740
741  if (IsClosing(client_p))
742    return;
743
744  SetServer(client_p);
745
746  /* Update the capability combination usage counts. -A1kmm */
747  set_chcap_usage_counts(client_p);
748
749  /* Some day, all these lists will be consolidated *sigh* */
750  dlinkAdd(client_p, &client_p->lnode, &me.serv->server_list);
751
752  assert(dlinkFind(&unknown_list, client_p));
753
754  dlink_move_node(&client_p->localClient->lclient_node,
755                  &unknown_list, &serv_list);
756
757  Count.myserver++;
758
759  dlinkAdd(client_p, make_dlink_node(), &global_serv_list);
760  hash_add_client(client_p);
761
762  /* doesnt duplicate client_p->serv if allocated this struct already */
763  make_server(client_p);
764
765  /* fixing eob timings.. -gnp */
766  client_p->localClient->firsttime = CurrentTime;
767
768  if (find_matching_name_conf(CONF_SERVICE, client_p->name, NULL, NULL, 0))
769    AddFlag(client_p, FLAGS_SERVICE);
770
771  /* Show the real host/IP to admins */
772 #ifdef HAVE_LIBCRYPTO
773  if (client_p->localClient->fd.ssl)
774  {
775    compression = SSL_get_current_compression(client_p->localClient->fd.ssl);
776    expansion   = SSL_get_current_expansion(client_p->localClient->fd.ssl);
777
778    sendto_realops_flags(UMODE_ALL, L_ADMIN, SEND_NOTICE,
779                         "Link with %s established: [SSL: %s, Compression/Expansion method: %s/%s] (Capabilities: %s)",
780                         inpath_ip, ssl_get_cipher(client_p->localClient->fd.ssl),
781                         compression ? SSL_COMP_get_name(compression) : "NONE",
782                         expansion ? SSL_COMP_get_name(expansion) : "NONE",
783                         show_capabilities(client_p));
784    /* Now show the masked hostname/IP to opers */
785    sendto_realops_flags(UMODE_ALL, L_OPER, SEND_NOTICE,
786                         "Link with %s established: [SSL: %s, Compression/Expansion method: %s/%s] (Capabilities: %s)",
787                         inpath, ssl_get_cipher(client_p->localClient->fd.ssl),
788                         compression ? SSL_COMP_get_name(compression) : "NONE",
789                         expansion ? SSL_COMP_get_name(expansion) : "NONE",
790                         show_capabilities(client_p));
791    ilog(LOG_TYPE_IRCD, "Link with %s established: [SSL: %s, Compression/Expansion method: %s/%s] (Capabilities: %s)",
792         inpath_ip, ssl_get_cipher(client_p->localClient->fd.ssl),
793         compression ? SSL_COMP_get_name(compression) : "NONE",
794         expansion ? SSL_COMP_get_name(expansion) : "NONE",
795         show_capabilities(client_p));
796  }
797  else
798 #endif
799  {
800    sendto_realops_flags(UMODE_ALL, L_ADMIN, SEND_NOTICE,
801                         "Link with %s established: (Capabilities: %s)",
802                         inpath_ip, 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: (Capabilities: %s)",
806                         inpath, show_capabilities(client_p));
807    ilog(LOG_TYPE_IRCD, "Link with %s established: (Capabilities: %s)",
808         inpath_ip, show_capabilities(client_p));
809  }
810
811  fd_note(&client_p->localClient->fd, "Server: %s", client_p->name);
812
813  sendto_server(client_p, NOCAPS, NOCAPS, ":%s SID %s 2 %s :%s%s",
814                me.id, client_p->name, client_p->id,
815                IsHidden(client_p) ? "(H) " : "", client_p->info);
816
817  /*
818   * Pass on my client information to the new server
819   *
820   * First, pass only servers (idea is that if the link gets
821   * cancelled beacause the server was already there,
822   * there are no NICK's to be cancelled...). Of course,
823   * if cancellation occurs, all this info is sent anyway,
824   * and I guess the link dies when a read is attempted...? --msa
825   *
826   * Note: Link cancellation to occur at this point means
827   * that at least two servers from my fragment are building
828   * up connection this other fragment at the same time, it's
829   * a race condition, not the normal way of operation...
830   *
831   * ALSO NOTE: using the get_client_name for server names--
832   *    see previous *WARNING*!!! (Also, original inpath
833   *    is destroyed...)
834   */
835
836  DLINK_FOREACH_PREV(ptr, global_serv_list.tail)
837  {
838    target_p = ptr->data;
839
840    /* target_p->from == target_p for target_p == client_p */
841    if (IsMe(target_p) || target_p->from == client_p)
842      continue;
843
844    sendto_one(client_p, ":%s SID %s %d %s :%s%s",
845               ID(target_p->servptr), target_p->name, target_p->hopcount+1,
846               target_p->id, IsHidden(target_p) ? "(H) " : "",
847               target_p->info);
848
849    if (HasFlag(target_p, FLAGS_EOB))
850      sendto_one(client_p, ":%s EOB", ID_or_name(target_p, client_p));
851  }
852
853  server_burst(client_p);
854 }
855
856 /* server_burst()
857 *
858 * inputs       - struct Client pointer server
859 *              -
860 * output       - none
861 * side effects - send a server burst
862 * bugs         - still too long
863 */
864 static void
865 server_burst(struct Client *client_p)
866 {
867  /* Send it in the shortened format with the TS, if
868  ** it's a TS server; walk the list of channels, sending
869  ** all the nicks that haven't been sent yet for each
870  ** channel, then send the channel itself -- it's less
871  ** obvious than sending all nicks first, but on the
872  ** receiving side memory will be allocated more nicely
873  ** saving a few seconds in the handling of a split
874  ** -orabidoo
875  */
876
877  burst_all(client_p);
878
879  /* EOB stuff is now in burst_all */
880  /* Always send a PING after connect burst is done */
881  sendto_one(client_p, "PING :%s", ID_or_name(&me, client_p));
882 }
883
884 /* burst_all()
885 *
886 * inputs       - pointer to server to send burst to
887 * output       - NONE
888 * side effects - complete burst of channels/nicks is sent to client_p
889 */
890 static void
891 burst_all(struct Client *client_p)
892 {
893  dlink_node *ptr = NULL;
894
895  DLINK_FOREACH(ptr, global_channel_list.head)
896  {
897    struct Channel *chptr = ptr->data;
898
899    if (dlink_list_length(&chptr->members) != 0)
900    {
901      burst_members(client_p, chptr);
902      send_channel_modes(client_p, chptr);
903
904      if (IsCapable(client_p, CAP_TBURST))
905        send_tb(client_p, chptr);
906    }
907  }
908
909  /* also send out those that are not on any channel
910   */
911  DLINK_FOREACH(ptr, global_client_list.head)
912  {
913    struct Client *target_p = ptr->data;
914
915    if (!HasFlag(target_p, FLAGS_BURSTED) && target_p->from != client_p)
916      sendnick_TS(client_p, target_p);
917
918    DelFlag(target_p, FLAGS_BURSTED);
919  }
920
921  if (IsCapable(client_p, CAP_EOB))
922    sendto_one(client_p, ":%s EOB", ID_or_name(&me, client_p));
923 }
924
925 /*
926 * send_tb
927 *
928 * inputs       - pointer to Client
929 *              - pointer to channel
930 * output       - NONE
931 * side effects - Called on a server burst when
932 *                server is CAP_TBURST capable
933 */
934 static void
935 send_tb(struct Client *client_p, struct Channel *chptr)
936 {
937  /*
938   * We may also send an empty topic here, but only if topic_time isn't 0,
939   * i.e. if we had a topic that got unset.  This is required for syncing
940   * topics properly.
941   *
942   * Imagine the following scenario: Our downlink introduces a channel
943   * to us with a TS that is equal to ours, but the channel topic on
944   * their side got unset while the servers were in splitmode, which means
945   * their 'topic' is newer.  They simply wanted to unset it, so we have to
946   * deal with it in a more sophisticated fashion instead of just resetting
947   * it to their old topic they had before.  Read m_tburst.c:ms_tburst
948   * for further information   -Michael
949   */
950  if (chptr->topic_time != 0)
951    sendto_one(client_p, ":%s TBURST %lu %s %lu %s :%s",
952               ID_or_name(&me, client_p),
953               (unsigned long)chptr->channelts, chptr->chname,
954               (unsigned long)chptr->topic_time,
955               chptr->topic_info,
956               chptr->topic);
957 }
958
959 /* burst_members()
960 *
961 * inputs       - pointer to server to send members to
962 *              - dlink_list pointer to membership list to send
963 * output       - NONE
964 * side effects -
965 */
966 static void
967 burst_members(struct Client *client_p, struct Channel *chptr)
968 {
969  struct Client *target_p;
970  struct Membership *ms;
971  dlink_node *ptr;
972
973  DLINK_FOREACH(ptr, chptr->members.head)
974  {
975    ms       = ptr->data;
976    target_p = ms->client_p;
977
978    if (!HasFlag(target_p, FLAGS_BURSTED))
979    {
980      AddFlag(target_p, FLAGS_BURSTED);
981
982      if (target_p->from != client_p)
983        sendnick_TS(client_p, target_p);
984    }
985  }
986 }
987
550   /* New server connection code
551   * Based upon the stuff floating about in s_bsd.c
552   *   -- adrian
# Line 1009 | Line 571 | burst_members(struct Client *client_p, s
571   int
572   serv_connect(struct MaskItem *conf, struct Client *by)
573   {
574 <  struct Client *client_p;
575 <  char buf[HOSTIPLEN + 1];
574 >  struct Client *client_p = NULL;
575 >  char buf[HOSTIPLEN + 1] = "";
576  
577    /* conversion structs */
578    struct sockaddr_in *v4;
1017  /* Make sure conf is useful */
1018  assert(conf != NULL);
579  
580 +  /* Make sure conf is useful */
581 +  assert(conf);
582  
583 <  getnameinfo((struct sockaddr *)&conf->addr, conf->addr.ss_len,
583 >  getnameinfo((const struct sockaddr *)&conf->addr, conf->addr.ss_len,
584                buf, sizeof(buf), NULL, 0, NI_NUMERICHOST);
585    ilog(LOG_TYPE_IRCD, "Connect to %s[%s] @%s", conf->name, conf->host,
586         buf);
# Line 1026 | Line 588 | serv_connect(struct MaskItem *conf, stru
588    /* Still processing a DNS lookup? -> exit */
589    if (conf->dns_pending)
590    {
591 <    sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
591 >    sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE,
592                           "Error connecting to %s: DNS lookup for connect{} in progress.",
593                           conf->name);
594 <    return (0);
594 >    return 0;
595    }
596  
597    if (conf->dns_failed)
598    {
599 <    sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
599 >    sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE,
600                           "Error connecting to %s: DNS lookup for connect{} failed.",
601                           conf->name);
602 <    return (0);
602 >    return 0;
603    }
604  
605 <  /* Make sure this server isn't already connected
606 <   * Note: conf should ALWAYS be a valid C: line
605 >  /*
606 >   * Make sure this server isn't already connected.
607 >   * Note: conf should ALWAYS be a valid connect {} block
608     */
609 <  if ((client_p = hash_find_server(conf->name)) != NULL)
609 >  if ((client_p = hash_find_server(conf->name)))
610    {
611 <    sendto_realops_flags(UMODE_ALL, L_ADMIN, SEND_NOTICE,
611 >    sendto_realops_flags(UMODE_SERVNOTICE, L_ADMIN, SEND_NOTICE,
612                           "Server %s already present from %s",
613                           conf->name, get_client_name(client_p, SHOW_IP));
614 <    sendto_realops_flags(UMODE_ALL, L_OPER, SEND_NOTICE,
614 >    sendto_realops_flags(UMODE_SERVNOTICE, L_OPER, SEND_NOTICE,
615                           "Server %s already present from %s",
616                           conf->name, get_client_name(client_p, MASK_IP));
617      if (by && IsClient(by) && !MyClient(by))
# Line 1067 | Line 630 | serv_connect(struct MaskItem *conf, stru
630    /* We already converted the ip once, so lets use it - stu */
631    strlcpy(client_p->sockhost, buf, sizeof(client_p->sockhost));
632  
633 <  /* create a socket for the server connection */
634 <  if (comm_open(&client_p->localClient->fd, conf->addr.ss.ss_family,
1072 <                SOCK_STREAM, 0, NULL) < 0)
633 >  /* Create a socket for the server connection */
634 >  if (comm_open(&client_p->connection->fd, conf->addr.ss.ss_family, SOCK_STREAM, 0, NULL) < 0)
635    {
636      /* Eek, failure to create the socket */
637 <    report_error(L_ALL, "opening stream socket to %s: %s",
638 <                 conf->name, errno);
637 >    report_error(L_ALL, "opening stream socket to %s: %s", conf->name, errno);
638 >
639      SetDead(client_p);
640 <    exit_client(client_p, &me, "Connection failed");
640 >    exit_client(client_p, "Connection failed");
641      return 0;
642    }
643  
644 <  /* servernames are always guaranteed under HOSTLEN chars */
645 <  fd_note(&client_p->localClient->fd, "Server: %s", conf->name);
644 >  /* Server names are always guaranteed under HOSTLEN chars */
645 >  fd_note(&client_p->connection->fd, "Server: %s", client_p->name);
646  
647 <  /* Attach config entries to client here rather than in
648 <   * serv_connect_callback(). This to avoid null pointer references.
647 >  /*
648 >   * Attach config entries to client here rather than in serv_connect_callback().
649 >   * This to avoid null pointer references.
650     */
651    if (!attach_connect_block(client_p, conf->name, conf->host))
652    {
653 <    sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
654 <                         "Host %s is not enabled for connecting: no connect{} block",
653 >    sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE,
654 >                         "Host %s is not enabled for connecting: no connect {} block",
655                           conf->name);
656      if (by && IsClient(by) && !MyClient(by))
657 <      sendto_one_notice(by, &me, ":Connect to host %s failed.", client_p->name);
657 >      sendto_one_notice(by, &me, ":Connect to host %s failed: no connect {} block", client_p->name);
658  
659      SetDead(client_p);
660 <    exit_client(client_p, client_p, "Connection failed");
660 >    exit_client(client_p, "Connection failed");
661      return 0;
662    }
663  
664 <  /* at this point we have a connection in progress and C/N lines
665 <   * attached to the client, the socket info should be saved in the
666 <   * client and it should either be resolved or have a valid address.
664 >  /*
665 >   * At this point we have a connection in progress and a connect {} block
666 >   * attached to the client, the socket info should be saved in the client
667 >   * and it should either be resolved or have a valid address.
668     *
669     * The socket has been connected or connect is in progress.
670     */
# Line 1112 | Line 676 | serv_connect(struct MaskItem *conf, stru
676      strlcpy(client_p->serv->by, "AutoConn.", sizeof(client_p->serv->by));
677  
678    SetConnecting(client_p);
679 <  dlinkAdd(client_p, &client_p->node, &global_client_list);
1116 <  /* from def_fam */
1117 <  client_p->localClient->aftype = conf->aftype;
679 >  client_p->connection->aftype = conf->aftype;
680  
681    /* Now, initiate the connection */
682    /* XXX assume that a non 0 type means a specific bind address
# Line 1124 | Line 686 | serv_connect(struct MaskItem *conf, stru
686    {
687      case AF_INET:
688        v4 = (struct sockaddr_in*)&conf->bind;
689 <      if (v4->sin_addr.s_addr != 0)
689 >      if (v4->sin_addr.s_addr)
690        {
691          struct irc_ssaddr ipn;
692          memset(&ipn, 0, sizeof(struct irc_ssaddr));
693          ipn.ss.ss_family = AF_INET;
694          ipn.ss_port = 0;
695          memcpy(&ipn, &conf->bind, sizeof(struct irc_ssaddr));
696 <        comm_connect_tcp(&client_p->localClient->fd, conf->host, conf->port,
696 >        comm_connect_tcp(&client_p->connection->fd, conf->host, conf->port,
697                           (struct sockaddr *)&ipn, ipn.ss_len,
698                           serv_connect_callback, client_p, conf->aftype,
699                           CONNECTTIMEOUT);
700        }
701 <      else if (ServerInfo.specific_ipv4_vhost)
701 >      else if (ConfigServerInfo.specific_ipv4_vhost)
702        {
703          struct irc_ssaddr ipn;
704          memset(&ipn, 0, sizeof(struct irc_ssaddr));
705          ipn.ss.ss_family = AF_INET;
706          ipn.ss_port = 0;
707 <        memcpy(&ipn, &ServerInfo.ip, sizeof(struct irc_ssaddr));
708 <        comm_connect_tcp(&client_p->localClient->fd, conf->host, conf->port,
707 >        memcpy(&ipn, &ConfigServerInfo.ip, sizeof(struct irc_ssaddr));
708 >        comm_connect_tcp(&client_p->connection->fd, conf->host, conf->port,
709                           (struct sockaddr *)&ipn, ipn.ss_len,
710                           serv_connect_callback, client_p, conf->aftype,
711                           CONNECTTIMEOUT);
712        }
713        else
714 <        comm_connect_tcp(&client_p->localClient->fd, conf->host, conf->port,
714 >        comm_connect_tcp(&client_p->connection->fd, conf->host, conf->port,
715                           NULL, 0, serv_connect_callback, client_p, conf->aftype,
716                           CONNECTTIMEOUT);
717        break;
1156 #ifdef IPV6
718      case AF_INET6:
719        {
720          struct irc_ssaddr ipn;
# Line 1164 | Line 725 | serv_connect(struct MaskItem *conf, stru
725          v6conf = (struct sockaddr_in6 *)&conf->bind;
726          v6 = (struct sockaddr_in6 *)&ipn;
727  
728 <        if (memcmp(&v6conf->sin6_addr, &v6->sin6_addr, sizeof(struct in6_addr)) != 0)
728 >        if (memcmp(&v6conf->sin6_addr, &v6->sin6_addr, sizeof(struct in6_addr)))
729          {
730            memcpy(&ipn, &conf->bind, sizeof(struct irc_ssaddr));
731            ipn.ss.ss_family = AF_INET6;
732            ipn.ss_port = 0;
733 <          comm_connect_tcp(&client_p->localClient->fd,
733 >          comm_connect_tcp(&client_p->connection->fd,
734                             conf->host, conf->port,
735                             (struct sockaddr *)&ipn, ipn.ss_len,
736                             serv_connect_callback, client_p,
737                             conf->aftype, CONNECTTIMEOUT);
738          }
739 <        else if (ServerInfo.specific_ipv6_vhost)
739 >        else if (ConfigServerInfo.specific_ipv6_vhost)
740          {
741 <          memcpy(&ipn, &ServerInfo.ip6, sizeof(struct irc_ssaddr));
741 >          memcpy(&ipn, &ConfigServerInfo.ip6, sizeof(struct irc_ssaddr));
742            ipn.ss.ss_family = AF_INET6;
743            ipn.ss_port = 0;
744 <          comm_connect_tcp(&client_p->localClient->fd,
744 >          comm_connect_tcp(&client_p->connection->fd,
745                             conf->host, conf->port,
746                             (struct sockaddr *)&ipn, ipn.ss_len,
747                             serv_connect_callback, client_p,
748                             conf->aftype, CONNECTTIMEOUT);
749          }
750          else
751 <          comm_connect_tcp(&client_p->localClient->fd,
751 >          comm_connect_tcp(&client_p->connection->fd,
752                             conf->host, conf->port,
753                             NULL, 0, serv_connect_callback, client_p,
754                             conf->aftype, CONNECTTIMEOUT);
755        }
1195 #endif
756    }
757 +
758    return 1;
759   }
760  
# Line 1203 | Line 764 | finish_ssl_server_handshake(struct Clien
764   {
765    struct MaskItem *conf = NULL;
766  
767 <  conf = find_conf_name(&client_p->localClient->confs,
767 >  conf = find_conf_name(&client_p->connection->confs,
768                          client_p->name, CONF_SERVER);
769    if (conf == NULL)
770    {
771 <    sendto_realops_flags(UMODE_ALL, L_ADMIN, SEND_NOTICE,
772 <                         "Lost connect{} block for %s", get_client_name(client_p, HIDE_IP));
773 <    sendto_realops_flags(UMODE_ALL, L_OPER, SEND_NOTICE,
771 >    sendto_realops_flags(UMODE_SERVNOTICE, L_ADMIN, SEND_NOTICE,
772 >                         "Lost connect{} block for %s", get_client_name(client_p, SHOW_IP));
773 >    sendto_realops_flags(UMODE_SERVNOTICE, L_OPER, SEND_NOTICE,
774                           "Lost connect{} block for %s", get_client_name(client_p, MASK_IP));
775  
776 <    exit_client(client_p, &me, "Lost connect{} block");
776 >    exit_client(client_p, "Lost connect{} block");
777      return;
778    }
779  
780    sendto_one(client_p, "PASS %s TS %d %s", conf->spasswd, TS_CURRENT, me.id);
781  
782 <  send_capabilities(client_p, 0);
782 >  send_capabilities(client_p);
783  
784    sendto_one(client_p, "SERVER %s 1 :%s%s",
785               me.name, ConfigServerHide.hidden ? "(H) " : "",
786               me.info);
787  
788 <  /* If we've been marked dead because a send failed, just exit
788 >  /*
789 >   * If we've been marked dead because a send failed, just exit
790     * here now and save everyone the trouble of us ever existing.
791     */
792    if (IsDead(client_p))
793    {
794 <      sendto_realops_flags(UMODE_ALL, L_ADMIN, SEND_NOTICE,
795 <                           "%s[%s] went dead during handshake",
796 <                           client_p->name,
797 <                           client_p->host);
798 <      sendto_realops_flags(UMODE_ALL, L_OPER, SEND_NOTICE,
1237 <                           "%s went dead during handshake", client_p->name);
1238 <      return;
794 >    sendto_realops_flags(UMODE_SERVNOTICE, L_ADMIN, SEND_NOTICE,
795 >                         "%s went dead during handshake", get_client_name(client_p, SHOW_IP));
796 >    sendto_realops_flags(UMODE_SERVNOTICE, L_OPER, SEND_NOTICE,
797 >                         "%s went dead during handshake", get_client_name(client_p, MASK_IP));
798 >    return;
799    }
800  
801    /* don't move to serv_list yet -- we haven't sent a burst! */
802    /* If we get here, we're ok, so lets start reading some data */
803 <  comm_setselect(&client_p->localClient->fd, COMM_SELECT_READ, read_packet, client_p, 0);
803 >  comm_setselect(&client_p->connection->fd, COMM_SELECT_READ, read_packet, client_p, 0);
804   }
805  
806   static void
807 < ssl_server_handshake(fde_t *fd, struct Client *client_p)
807 > ssl_server_handshake(fde_t *fd, void *data)
808   {
809 +  struct Client *client_p = data;
810    X509 *cert = NULL;
811    int ret = 0;
812  
813 <  if ((ret = SSL_connect(client_p->localClient->fd.ssl)) <= 0)
813 >  if ((ret = SSL_connect(client_p->connection->fd.ssl)) <= 0)
814    {
815 <    switch (SSL_get_error(client_p->localClient->fd.ssl, ret))
815 >    if ((CurrentTime - client_p->connection->firsttime) > CONNECTTIMEOUT)
816 >    {
817 >      exit_client(client_p, "Timeout during SSL handshake");
818 >      return;
819 >    }
820 >
821 >    switch (SSL_get_error(client_p->connection->fd.ssl, ret))
822      {
823        case SSL_ERROR_WANT_WRITE:
824 <        comm_setselect(&client_p->localClient->fd, COMM_SELECT_WRITE,
825 <                       (PF *)ssl_server_handshake, client_p, 0);
824 >        comm_setselect(&client_p->connection->fd, COMM_SELECT_WRITE,
825 >                       ssl_server_handshake, client_p, CONNECTTIMEOUT);
826          return;
827        case SSL_ERROR_WANT_READ:
828 <        comm_setselect(&client_p->localClient->fd, COMM_SELECT_READ,
829 <                       (PF *)ssl_server_handshake, client_p, 0);
828 >        comm_setselect(&client_p->connection->fd, COMM_SELECT_READ,
829 >                       ssl_server_handshake, client_p, CONNECTTIMEOUT);
830          return;
831        default:
832        {
833          const char *sslerr = ERR_error_string(ERR_get_error(), NULL);
834 <        sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
834 >        sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE,
835                               "Error connecting to %s: %s", client_p->name,
836                               sslerr ? sslerr : "unknown SSL error");
837 <        exit_client(client_p, client_p, "Error during SSL handshake");
837 >        exit_client(client_p, "Error during SSL handshake");
838          return;
839        }
840      }
841    }
842  
843 <  if ((cert = SSL_get_peer_certificate(client_p->localClient->fd.ssl)))
843 >  comm_settimeout(&client_p->connection->fd, 0, NULL, NULL);
844 >
845 >  if ((cert = SSL_get_peer_certificate(client_p->connection->fd.ssl)))
846    {
847 <    int res = SSL_get_verify_result(client_p->localClient->fd.ssl);
848 <    char buf[EVP_MAX_MD_SIZE * 2 + 1] = { '\0' };
849 <    unsigned char md[EVP_MAX_MD_SIZE] = { '\0' };
847 >    int res = SSL_get_verify_result(client_p->connection->fd.ssl);
848 >    char buf[EVP_MAX_MD_SIZE * 2 + 1] = "";
849 >    unsigned char md[EVP_MAX_MD_SIZE] = "";
850  
851      if (res == X509_V_OK || res == X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN ||
852          res == X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE ||
853          res == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
854      {
855 <      unsigned int i = 0, n = 0;
855 >      unsigned int n = 0;
856  
857 <      if (X509_digest(cert, EVP_sha256(), md, &n))
857 >      if (X509_digest(cert, ConfigServerInfo.message_digest_algorithm, md, &n))
858        {
859 <        for (; i < n; ++i)
1291 <          snprintf(buf + 2 * i, 3, "%02X", md[i]);
859 >        binary_to_hex(md, buf, n);
860          client_p->certfp = xstrdup(buf);
861        }
862      }
# Line 1302 | Line 870 | ssl_server_handshake(fde_t *fd, struct C
870   }
871  
872   static void
873 < ssl_connect_init(struct Client *client_p, struct MaskItem *conf, fde_t *fd)
873 > ssl_connect_init(struct Client *client_p, const struct MaskItem *conf, fde_t *fd)
874   {
875 <  if ((client_p->localClient->fd.ssl = SSL_new(ServerInfo.client_ctx)) == NULL)
875 >  if ((client_p->connection->fd.ssl = SSL_new(ConfigServerInfo.client_ctx)) == NULL)
876    {
877      ilog(LOG_TYPE_IRCD, "SSL_new() ERROR! -- %s",
878           ERR_error_string(ERR_get_error(), NULL));
879      SetDead(client_p);
880 <    exit_client(client_p, client_p, "SSL_new failed");
880 >    exit_client(client_p, "SSL_new failed");
881      return;
882    }
883  
884    SSL_set_fd(fd->ssl, fd->fd);
885  
886    if (!EmptyString(conf->cipher_list))
887 <    SSL_set_cipher_list(client_p->localClient->fd.ssl, conf->cipher_list);
887 >    SSL_set_cipher_list(client_p->connection->fd.ssl, conf->cipher_list);
888  
889    ssl_server_handshake(NULL, client_p);
890   }
# Line 1333 | Line 901 | ssl_connect_init(struct Client *client_p
901   static void
902   serv_connect_callback(fde_t *fd, int status, void *data)
903   {
904 <  struct Client *client_p = data;
905 <  struct MaskItem *conf = NULL;
904 >  struct Client *const client_p = data;
905 >  const struct MaskItem *conf = NULL;
906  
907 <  /* First, make sure its a real client! */
908 <  assert(client_p != NULL);
909 <  assert(&client_p->localClient->fd == fd);
907 >  /* First, make sure it's a real client! */
908 >  assert(client_p);
909 >  assert(&client_p->connection->fd == fd);
910  
911    /* Next, for backward purposes, record the ip of the server */
912 <  memcpy(&client_p->localClient->ip, &fd->connect.hostaddr,
912 >  memcpy(&client_p->connection->ip, &fd->connect.hostaddr,
913           sizeof(struct irc_ssaddr));
914 +
915    /* Check the status */
916    if (status != COMM_OK)
917    {
918 <    /* We have an error, so report it and quit
919 <     * Admins get to see any IP, mere opers don't *sigh*
918 >    /* We have an error, so report it and quit */
919 >    sendto_realops_flags(UMODE_SERVNOTICE, L_ADMIN, SEND_NOTICE,
920 >                         "Error connecting to %s: %s",
921 >                         get_client_name(client_p, SHOW_IP), comm_errstr(status));
922 >    sendto_realops_flags(UMODE_SERVNOTICE, L_OPER, SEND_NOTICE,
923 >                         "Error connecting to %s: %s",
924 >                         get_client_name(client_p, MASK_IP), comm_errstr(status));
925 >
926 >    /*
927 >     * If a fd goes bad, call dead_link() the socket is no
928 >     * longer valid for reading or writing.
929       */
930 <     if (ConfigServerHide.hide_server_ips)
931 <       sendto_realops_flags(UMODE_ALL, L_ADMIN, SEND_NOTICE,
1354 <                            "Error connecting to %s: %s",
1355 <                            client_p->name, comm_errstr(status));
1356 <     else
1357 <       sendto_realops_flags(UMODE_ALL, L_ADMIN, SEND_NOTICE,
1358 <                            "Error connecting to %s[%s]: %s", client_p->name,
1359 <                            client_p->host, comm_errstr(status));
1360 <
1361 <     sendto_realops_flags(UMODE_ALL, L_OPER, SEND_NOTICE,
1362 <                          "Error connecting to %s: %s",
1363 <                          client_p->name, comm_errstr(status));
1364 <
1365 <     /* If a fd goes bad, call dead_link() the socket is no
1366 <      * longer valid for reading or writing.
1367 <      */
1368 <     dead_link_on_write(client_p, 0);
1369 <     return;
930 >    dead_link_on_write(client_p, 0);
931 >    return;
932    }
933  
934    /* COMM_OK, so continue the connection procedure */
935    /* Get the C/N lines */
936 <  conf = find_conf_name(&client_p->localClient->confs,
936 >  conf = find_conf_name(&client_p->connection->confs,
937                          client_p->name, CONF_SERVER);
938    if (conf == NULL)
939    {
940 <    sendto_realops_flags(UMODE_ALL, L_ADMIN, SEND_NOTICE,
941 <                         "Lost connect{} block for %s", get_client_name(client_p, HIDE_IP));
942 <    sendto_realops_flags(UMODE_ALL, L_OPER, SEND_NOTICE,
940 >    sendto_realops_flags(UMODE_SERVNOTICE, L_ADMIN, SEND_NOTICE,
941 >                         "Lost connect{} block for %s", get_client_name(client_p, SHOW_IP));
942 >    sendto_realops_flags(UMODE_SERVNOTICE, L_OPER, SEND_NOTICE,
943                           "Lost connect{} block for %s", get_client_name(client_p, MASK_IP));
944  
945 <    exit_client(client_p, &me, "Lost connect{} block");
945 >    exit_client(client_p, "Lost connect{} block");
946      return;
947    }
948  
# Line 1397 | Line 959 | serv_connect_callback(fde_t *fd, int sta
959  
960    sendto_one(client_p, "PASS %s TS %d %s", conf->spasswd, TS_CURRENT, me.id);
961  
962 <  send_capabilities(client_p, 0);
962 >  send_capabilities(client_p);
963  
964    sendto_one(client_p, "SERVER %s 1 :%s%s", me.name,
965               ConfigServerHide.hidden ? "(H) " : "", me.info);
966  
967 <  /* If we've been marked dead because a send failed, just exit
967 >  /*
968 >   * If we've been marked dead because a send failed, just exit
969     * here now and save everyone the trouble of us ever existing.
970     */
971    if (IsDead(client_p))
972    {
973 <      sendto_realops_flags(UMODE_ALL, L_ADMIN, SEND_NOTICE,
974 <                           "%s[%s] went dead during handshake",
975 <                           client_p->name,
976 <                           client_p->host);
977 <      sendto_realops_flags(UMODE_ALL, L_OPER, SEND_NOTICE,
1415 <                           "%s went dead during handshake", client_p->name);
1416 <      return;
973 >    sendto_realops_flags(UMODE_SERVNOTICE, L_ADMIN, SEND_NOTICE,
974 >                         "%s went dead during handshake", get_client_name(client_p, SHOW_IP));
975 >    sendto_realops_flags(UMODE_SERVNOTICE, L_OPER, SEND_NOTICE,
976 >                         "%s went dead during handshake", get_client_name(client_p, MASK_IP));
977 >    return;
978    }
979  
980    /* don't move to serv_list yet -- we haven't sent a burst! */

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