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root/svn/ircd-hybrid/trunk/src/channel.c
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Comparing:
ircd-hybrid/src/channel.c (file contents), Revision 32 by knight, Sun Oct 2 20:41:23 2005 UTC vs.
ircd-hybrid/trunk/src/channel.c (file contents), Revision 7266 by michael, Sat Feb 6 19:02:03 2016 UTC

# Line 1 | Line 1
1   /*
2 < *  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
2 > *  ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3   *
4 < *  Copyright (C) 2002 by the past and present ircd coders, and others.
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 25 | Line 25
25   */
26  
27   #include "stdinc.h"
28 < #include "tools.h"
28 > #include "list.h"
29   #include "channel.h"
30   #include "channel_mode.h"
31   #include "client.h"
32 #include "common.h"
32   #include "hash.h"
33 + #include "conf.h"
34 + #include "conf_resv.h"
35 + #include "hostmask.h"
36   #include "irc_string.h"
35 #include "sprintf_irc.h"
37   #include "ircd.h"
37 #include "list.h"
38   #include "numeric.h"
39 < #include "s_serv.h"             /* captab */
40 < #include "s_user.h"
39 > #include "server.h"
40   #include "send.h"
42 #include "s_conf.h"             /* ConfigFileEntry, ConfigChannel */
41   #include "event.h"
42   #include "memory.h"
43 < #include "balloc.h"
43 > #include "mempool.h"
44 > #include "misc.h"
45 >
46 >
47 > dlink_list channel_list;
48 > mp_pool_t *ban_pool;    /*! \todo ban_pool shouldn't be a global var */
49  
50 < struct config_channel_entry ConfigChannel;
48 < dlink_list global_channel_list = { NULL, NULL, 0 };
49 < dlink_list lazylink_channels = { NULL, NULL, 0 };
50 < BlockHeap *ban_heap;    /*! \todo ban_heap shouldn't be a global var */
51 <
52 < static BlockHeap *topic_heap = NULL;
53 < static BlockHeap *member_heap = NULL;
54 < static BlockHeap *channel_heap = NULL;
55 <
56 < static char buf[IRCD_BUFSIZE];
57 < static char modebuf[MODEBUFLEN];
58 < static char parabuf[MODEBUFLEN];
50 > static mp_pool_t *member_pool, *channel_pool;
51  
52  
53   /*! \brief Initializes the channel blockheap, adds known channel CAPAB
54   */
55   void
56 < init_channels(void)
56 > channel_init(void)
57   {
58 <  /*
59 <   * XXX - These should get moved to somwhere else once we have
68 <   * a modular channelmode system
69 <   */
70 <  add_capability("EX", CAP_EX, 1);
71 <  add_capability("IE", CAP_IE, 1);
72 <  add_capability("CHW", CAP_CHW, 1);
58 >  add_capability("EX", CAPAB_EX);
59 >  add_capability("IE", CAPAB_IE);
60  
61 <  channel_heap = BlockHeapCreate("channel", sizeof(struct Channel), CHANNEL_HEAP_SIZE);
62 <  ban_heap = BlockHeapCreate("ban", sizeof(struct Ban), BAN_HEAP_SIZE);
63 <  topic_heap = BlockHeapCreate("topic", TOPICLEN+1 + USERHOST_REPLYLEN, TOPIC_HEAP_SIZE);
77 <  member_heap = BlockHeapCreate("member", sizeof(struct Membership), CHANNEL_HEAP_SIZE*2);
61 >  channel_pool = mp_pool_new(sizeof(struct Channel), MP_CHUNK_SIZE_CHANNEL);
62 >  ban_pool = mp_pool_new(sizeof(struct Ban), MP_CHUNK_SIZE_BAN);
63 >  member_pool = mp_pool_new(sizeof(struct Membership), MP_CHUNK_SIZE_MEMBER);
64   }
65  
66 < /*! \brief adds a user to a channel by adding another link to the
66 > /*! \brief Adds a user to a channel by adding another link to the
67   *         channels member chain.
68 < * \param chptr      pointer to channel to add client to
69 < * \param who        pointer to client (who) to add
70 < * \param flags      flags for chanops etc
71 < * \param flood_ctrl whether to count this join in flood calculations
68 > * \param chptr      Pointer to channel to add client to
69 > * \param client_p   Pointer to client (who) to add
70 > * \param flags      Flags for chanops etc
71 > * \param flood_ctrl Whether to count this join in flood calculations
72   */
73   void
74 < add_user_to_channel(struct Channel *chptr, struct Client *who,
74 > add_user_to_channel(struct Channel *chptr, struct Client *client_p,
75                      unsigned int flags, int flood_ctrl)
76   {
77 <  struct Membership *ms = NULL;
77 >  assert(IsClient(client_p));
78  
79    if (GlobalSetOptions.joinfloodtime > 0)
80    {
81      if (flood_ctrl)
82 <      chptr->number_joined++;
82 >      ++chptr->number_joined;
83  
84      chptr->number_joined -= (CurrentTime - chptr->last_join_time) *
85        (((float)GlobalSetOptions.joinfloodcount) /
# Line 111 | Line 97 | add_user_to_channel(struct Channel *chpt
97        if (!IsSetJoinFloodNoticed(chptr))
98        {
99          SetJoinFloodNoticed(chptr);
100 <        sendto_realops_flags(UMODE_BOTS, L_ALL,
100 >        sendto_realops_flags(UMODE_BOTS, L_ALL, SEND_NOTICE,
101                               "Possible Join Flooder %s on %s target: %s",
102 <                             get_client_name(who, HIDE_IP),
103 <                             who->servptr->name, chptr->chname);
102 >                             get_client_name(client_p, HIDE_IP),
103 >                             client_p->servptr->name, chptr->name);
104        }
105      }
106  
107      chptr->last_join_time = CurrentTime;
108    }
109  
110 <  ms = BlockHeapAlloc(member_heap);
111 <  ms->client_p = who;
112 <  ms->chptr = chptr;
113 <  ms->flags = flags;
110 >  struct Membership *member = mp_pool_get(member_pool);
111 >  member->client_p = client_p;
112 >  member->chptr = chptr;
113 >  member->flags = flags;
114  
115 <  dlinkAdd(ms, &ms->channode, &chptr->members);
115 >  dlinkAdd(member, &member->channode, &chptr->members);
116  
117 <  if (MyConnect(who))
118 <    dlinkAdd(ms, &ms->locchannode, &chptr->locmembers);
117 >  if (MyConnect(client_p))
118 >    dlinkAdd(member, &member->locchannode, &chptr->locmembers);
119  
120 <  dlinkAdd(ms, &ms->usernode, &who->channel);
120 >  dlinkAdd(member, &member->usernode, &client_p->channel);
121   }
122  
123 < /*! \brief deletes an user from a channel by removing a link in the
123 > /*! \brief Deletes an user from a channel by removing a link in the
124   *         channels member chain.
125 < * \param member pointer to Membership struct
125 > * \param member Pointer to Membership struct
126   */
127   void
128   remove_user_from_channel(struct Membership *member)
129   {
130 <  struct Client *client_p = member->client_p;
131 <  struct Channel *chptr = member->chptr;
130 >  struct Client *const client_p = member->client_p;
131 >  struct Channel *const chptr = member->chptr;
132  
133    dlinkDelete(&member->channode, &chptr->members);
134  
# Line 151 | Line 137 | remove_user_from_channel(struct Membersh
137  
138    dlinkDelete(&member->usernode, &client_p->channel);
139  
140 <  BlockHeapFree(member_heap, member);
140 >  mp_pool_release(member);
141  
142 <  if (dlink_list_length(&chptr->members) == 0)
143 <  {
158 <    assert(dlink_list_length(&chptr->locmembers) == 0);
159 <    destroy_channel(chptr);
160 <  }
142 >  if (chptr->members.head == NULL)
143 >    channel_free(chptr);
144   }
145  
146 < /* send_members()
146 > /* channel_send_members()
147   *
148   * inputs       -
149   * output       - NONE
150   * side effects -
151   */
152   static void
153 < send_members(struct Client *client_p, struct Channel *chptr,
154 <             char *lmodebuf, char *lparabuf)
153 > channel_send_members(struct Client *client_p, const struct Channel *chptr,
154 >                     char *modebuf, char *parabuf)
155   {
156 <  struct Membership *ms;
157 <  dlink_node *ptr;
156 >  char buf[IRCD_BUFSIZE] = "";
157 >  const dlink_node *node = NULL;
158    int tlen;              /* length of text to append */
159    char *t, *start;       /* temp char pointer */
160  
161 <  start = t = buf + ircsprintf(buf, ":%s SJOIN %lu %s %s %s:",
162 <                               ID_or_name(&me, client_p),
163 <                               (unsigned long)chptr->channelts,
164 <                               chptr->chname, lmodebuf, lparabuf);
165 <
166 <  DLINK_FOREACH(ptr, chptr->members.head)
167 <  {
168 <    ms = ptr->data;
169 <
170 <    tlen = strlen(IsCapable(client_p, CAP_TS6) ?
171 <      ID(ms->client_p) : ms->client_p->name) + 1;  /* nick + space */
172 <
173 <    if (ms->flags & CHFL_CHANOP)
174 <      tlen++;
175 < #ifdef HALFOPS
176 <    if (ms->flags & CHFL_HALFOP)
177 <      tlen++;
178 < #endif
179 <    if (ms->flags & CHFL_VOICE)
180 <      tlen++;
181 <
182 <    /* space will be converted into CR, but we also need space for LF..
200 <     * That's why we use '- 1' here
201 <     * -adx */
202 <    if (t + tlen - buf > sizeof(buf) - 1)
161 >  start = t = buf + snprintf(buf, sizeof(buf), ":%s SJOIN %ju %s %s %s:",
162 >                             me.id, chptr->creationtime,
163 >                             chptr->name, modebuf, parabuf);
164 >
165 >  DLINK_FOREACH(node, chptr->members.head)
166 >  {
167 >    const struct Membership *member = node->data;
168 >
169 >    tlen = strlen(member->client_p->id) + 1;  /* +1 for space */
170 >
171 >    if (member->flags & CHFL_CHANOP)
172 >      ++tlen;
173 >    if (member->flags & CHFL_HALFOP)
174 >      ++tlen;
175 >    if (member->flags & CHFL_VOICE)
176 >      ++tlen;
177 >
178 >    /*
179 >     * Space will be converted into CR, but we also need space for LF..
180 >     * That's why we use '- 1' here -adx
181 >     */
182 >    if (t + tlen - buf > IRCD_BUFSIZE - 1)
183      {
184 <      *(t - 1) = '\0';  /* kill the space and terminate the string */
184 >      *(t - 1) = '\0';  /* Kill the space and terminate the string */
185        sendto_one(client_p, "%s", buf);
186        t = start;
187      }
188  
189 <    strcpy(t, get_member_status(ms, YES));
190 <    t += strlen(t);
189 >    if (member->flags & CHFL_CHANOP)
190 >      *t++ = '@';
191 >    if (member->flags & CHFL_HALFOP)
192 >      *t++ = '%';
193 >    if (member->flags & CHFL_VOICE)
194 >      *t++ = '+';
195 >
196 >    strcpy(t, member->client_p->id);
197  
212    if (IsCapable(client_p, CAP_TS6))
213      strcpy(t, ID(ms->client_p));
214    else
215      strcpy(t, ms->client_p->name);
198      t += strlen(t);
199      *t++ = ' ';
200    }
201  
202 <  /* should always be non-NULL unless we have a kind of persistent channels */
203 <  if (chptr->members.head != NULL)
204 <    t--;  /* take the space out */
202 >  /* Should always be non-NULL unless we have a kind of persistent channels */
203 >  if (chptr->members.head)
204 >    t--;  /* Take the space out */
205    *t = '\0';
206    sendto_one(client_p, "%s", buf);
207   }
208  
209 < /*! \brief sends +b/+e/+I
210 < * \param client_p client pointer to server
211 < * \param chptr    pointer to channel
212 < * \param top      pointer to top of mode link list to send
213 < * \param flag     char flag flagging type of mode. Currently this can be 'b', e' or 'I'
209 > /*! \brief Sends +b/+e/+I
210 > * \param client_p Client pointer to server
211 > * \param chptr    Pointer to channel
212 > * \param list     Pointer to list of modes to send
213 > * \param flag     Char flag flagging type of mode. Currently this can be 'b', e' or 'I'
214   */
215   static void
216 < send_mode_list(struct Client *client_p, struct Channel *chptr,
217 <               dlink_list *top, char flag)
216 > channel_send_mask_list(struct Client *client_p, const struct Channel *chptr,
217 >                       const dlink_list *list, const char flag)
218   {
219 <  int ts5 = !IsCapable(client_p, CAP_TS6);
220 <  dlink_node *lp;
221 <  struct Ban *banptr;
222 <  char pbuf[IRCD_BUFSIZE];
223 <  int tlen, mlen, cur_len, count = 0;
242 <  char *mp = NULL, *pp = pbuf;
219 >  const dlink_node *node = NULL;
220 >  char mbuf[IRCD_BUFSIZE] = "";
221 >  char pbuf[IRCD_BUFSIZE] = "";
222 >  int tlen, mlen, cur_len;
223 >  char *pp = pbuf;
224  
225 <  if (top == NULL || top->length == 0)
225 >  if (!dlink_list_length(list))
226      return;
227  
228 <  if (ts5)
229 <    mlen = ircsprintf(buf, ":%s MODE %s +", me.name, chptr->chname);
230 <  else
250 <    mlen = ircsprintf(buf, ":%s BMASK %lu %s %c :", me.id,
251 <                      (unsigned long)chptr->channelts, chptr->chname, flag);
252 <
253 <  /* MODE needs additional one byte for space between buf and pbuf */
254 <  cur_len = mlen + ts5;
255 <  mp = buf + mlen;
228 >  mlen = snprintf(mbuf, sizeof(mbuf), ":%s BMASK %ju %s %c :", me.id,
229 >                  chptr->creationtime, chptr->name, flag);
230 >  cur_len = mlen;
231  
232 <  DLINK_FOREACH(lp, top->head)
232 >  DLINK_FOREACH(node, list->head)
233    {
234 <    banptr = lp->data;
234 >    const struct Ban *ban = node->data;
235  
236 <    /* must add another b/e/I letter if we use MODE */
262 <    tlen = banptr->len + 3 + ts5;
236 >    tlen = ban->len + 3;  /* +3 for ! + @ + space */
237  
238      /*
239 <     * send buffer and start over if we cannot fit another ban,
266 <     * or if the target is non-ts6 and we have too many modes in
267 <     * in this line.
239 >     * Send buffer and start over if we cannot fit another ban
240       */
241 <    if (cur_len + (tlen - 1) > IRCD_BUFSIZE - 2 ||
270 <        (!IsCapable(client_p, CAP_TS6) &&
271 <         (count >= MAXMODEPARAMS || pp - pbuf >= MODEBUFLEN)))
241 >    if (cur_len + (tlen - 1) > IRCD_BUFSIZE - 2)
242      {
243 <      *(pp - 1) = '\0';  /* get rid of trailing space on buffer */
244 <      sendto_one(client_p, "%s%s%s", buf, ts5 ? " " : "", pbuf);
243 >      *(pp - 1) = '\0';  /* Get rid of trailing space on buffer */
244 >      sendto_one(client_p, "%s%s", mbuf, pbuf);
245  
246 <      cur_len = mlen + ts5;
277 <      mp = buf + mlen;
246 >      cur_len = mlen;
247        pp = pbuf;
279      count = 0;
280    }
281
282    count++;
283    if (ts5)
284    {
285      *mp++ = flag;
286      *mp = '\0';
248      }
249  
250 <    pp += ircsprintf(pp, "%s!%s@%s ", banptr->name, banptr->username,
290 <                     banptr->host);
250 >    pp += sprintf(pp, "%s!%s@%s ", ban->name, ban->user, ban->host);
251      cur_len += tlen;
252    }
253  
254 <  *(pp - 1) = '\0';  /* get rid of trailing space on buffer */
255 <  sendto_one(client_p, "%s%s%s", buf, ts5 ? " " : "", pbuf);
254 >  *(pp - 1) = '\0';  /* Get rid of trailing space on buffer */
255 >  sendto_one(client_p, "%s%s", mbuf, pbuf);
256   }
257  
258 < /*! \brief send "client_p" a full list of the modes for channel chptr
259 < * \param client_p pointer to client client_p
260 < * \param chptr    pointer to channel pointer
258 > /*! \brief Send "client_p" a full list of the modes for channel chptr
259 > * \param client_p Pointer to client client_p
260 > * \param chptr    Pointer to channel pointer
261   */
262   void
263 < send_channel_modes(struct Client *client_p, struct Channel *chptr)
263 > channel_send_modes(struct Client *client_p, struct Channel *chptr)
264   {
265 <  if (chptr->chname[0] != '#')
266 <    return;
265 >  char modebuf[MODEBUFLEN] = "";
266 >  char parabuf[MODEBUFLEN] = "";
267  
308  *modebuf = *parabuf = '\0';
268    channel_modes(chptr, client_p, modebuf, parabuf);
269 <  send_members(client_p, chptr, modebuf, parabuf);
311 <
312 <  send_mode_list(client_p, chptr, &chptr->banlist, 'b');
269 >  channel_send_members(client_p, chptr, modebuf, parabuf);
270  
271 <  if (IsCapable(client_p, CAP_EX))
272 <    send_mode_list(client_p, chptr, &chptr->exceptlist, 'e');
273 <  if (IsCapable(client_p, CAP_IE))
317 <    send_mode_list(client_p, chptr, &chptr->invexlist, 'I');
271 >  channel_send_mask_list(client_p, chptr, &chptr->banlist, 'b');
272 >  channel_send_mask_list(client_p, chptr, &chptr->exceptlist, 'e');
273 >  channel_send_mask_list(client_p, chptr, &chptr->invexlist, 'I');
274   }
275  
276 < /*! \brief check channel name for invalid characters
277 < * \param name pointer to channel name string
278 < * \return TRUE (1) if name ok, FALSE (0) otherwise
276 > /*! \brief Check channel name for invalid characters
277 > * \param name Pointer to channel name string
278 > * \param local Indicates whether it's a local or remote creation
279 > * \return 0 if invalid, 1 otherwise
280   */
281   int
282 < check_channel_name(const char *name)
282 > channel_check_name(const char *name, const int local)
283   {
284 <  const unsigned char *p = (const unsigned char *)name;
328 <  assert(name != NULL);
284 >  const char *p = name;
285  
286 <  for (; *p; ++p)
287 <    if (!IsChanChar(*p))
288 <      return 0;
286 >  assert(!EmptyString(p));
287 >
288 >  if (!IsChanPrefix(*p))
289 >    return 0;
290  
291 <  return 1;
291 >  if (!local || !ConfigChannel.disable_fake_channels)
292 >  {
293 >    while (*++p)
294 >      if (!IsChanChar(*p))
295 >        return 0;
296 >  }
297 >  else
298 >  {
299 >    while (*++p)
300 >      if (!IsVisibleChanChar(*p))
301 >        return 0;
302 >  }
303 >
304 >  return p - name <= CHANNELLEN;
305   }
306  
307   void
308 < remove_ban(struct Ban *bptr, dlink_list *list)
308 > remove_ban(struct Ban *ban, dlink_list *list)
309   {
310 <  dlinkDelete(&bptr->node, list);
311 <
342 <  MyFree(bptr->name);
343 <  MyFree(bptr->username);
344 <  MyFree(bptr->host);
345 <  MyFree(bptr->who);
346 <
347 <  BlockHeapFree(ban_heap, bptr);
310 >  dlinkDelete(&ban->node, list);
311 >  mp_pool_release(ban);
312   }
313  
314 < /* free_channel_list()
314 > /* channel_free_mask_list()
315   *
316   * inputs       - pointer to dlink_list
317   * output       - NONE
318   * side effects -
319   */
320 < void
321 < free_channel_list(dlink_list *list)
320 > static void
321 > channel_free_mask_list(dlink_list *list)
322   {
323 <  dlink_node *ptr = NULL, *next_ptr = NULL;
324 <
325 <  DLINK_FOREACH_SAFE(ptr, next_ptr, list->head)
326 <    remove_ban(ptr->data, list);
327 <
364 <  assert(list->tail == NULL && list->head == NULL);
323 >  while (list->head)
324 >  {
325 >    struct Ban *ban = list->head->data;
326 >    remove_ban(ban, list);
327 >  }
328   }
329  
330 < /*! \brief Get Channel block for chname (and allocate a new channel
330 > /*! \brief Get Channel block for name (and allocate a new channel
331   *         block, if it didn't exist before)
332 < * \param client_p client pointer
333 < * \param chname   channel name
371 < * \param isnew    pointer to int flag whether channel was newly created or not
372 < * \return channel block or NULL if illegal name
332 > * \param name Channel name
333 > * \return Channel block
334   */
335   struct Channel *
336 < get_or_create_channel(struct Client *client_p, const char *chname, int *isnew)
336 > channel_make(const char *name)
337   {
338    struct Channel *chptr = NULL;
378  int len;
379
380  if (EmptyString(chname))
381    return NULL;
382
383  if ((len = strlen(chname)) > CHANNELLEN)
384  {
385    if (IsServer(client_p))
386      sendto_realops_flags(UMODE_DEBUG, L_ALL,
387                           "*** Long channel name from %s (%d > %d): %s",
388                           client_p->name, len, CHANNELLEN, chname);
389    return NULL;
390  }
391
392  if ((chptr = hash_find_channel(chname)) != NULL)
393  {
394    if (isnew != NULL)
395      *isnew = 0;
339  
340 <    return chptr;
398 <  }
340 >  assert(!EmptyString(name));
341  
342 <  if (isnew != NULL)
401 <    *isnew = 1;
342 >  chptr = mp_pool_get(channel_pool);
343  
344 <  chptr = BlockHeapAlloc(channel_heap);
345 <  /* doesn't hurt to set it here */
346 <  chptr->channelts = chptr->last_join_time = CurrentTime;
344 >  /* Doesn't hurt to set it here */
345 >  chptr->creationtime = CurrentTime;
346 >  chptr->last_join_time = CurrentTime;
347  
348 <  strlcpy(chptr->chname, chname, sizeof(chptr->chname));
349 <  dlinkAdd(chptr, &chptr->node, &global_channel_list);
348 >  chptr->name_len = strlcpy(chptr->name, name, sizeof(chptr->name));
349 >  if (chptr->name_len >= sizeof(chptr->name))
350 >    chptr->name_len = sizeof(chptr->name) - 1;
351  
352 +  dlinkAdd(chptr, &chptr->node, &channel_list);
353    hash_add_channel(chptr);
354  
355    return chptr;
356   }
357  
358 < /*! \brief walk through this channel, and destroy it.
359 < * \param chptr channel pointer
358 > /*! \brief Walk through this channel, and destroy it.
359 > * \param chptr Channel pointer
360   */
361   void
362 < destroy_channel(struct Channel *chptr)
362 > channel_free(struct Channel *chptr)
363   {
364 <  dlink_node *ptr = NULL, *ptr_next = NULL;
422 <
423 <  DLINK_FOREACH_SAFE(ptr, ptr_next, chptr->invites.head)
424 <    del_invite(chptr, ptr->data);
364 >  clear_invites_channel(chptr);
365  
366 <  /* free ban/exception/invex lists */
367 <  free_channel_list(&chptr->banlist);
368 <  free_channel_list(&chptr->exceptlist);
369 <  free_channel_list(&chptr->invexlist);
366 >  /* Free ban/exception/invex lists */
367 >  channel_free_mask_list(&chptr->banlist);
368 >  channel_free_mask_list(&chptr->exceptlist);
369 >  channel_free_mask_list(&chptr->invexlist);
370  
371 <  /* Free the topic */
432 <  free_topic(chptr);
433 <
434 <  dlinkDelete(&chptr->node, &global_channel_list);
371 >  dlinkDelete(&chptr->node, &channel_list);
372    hash_del_channel(chptr);
373  
374 <  if (ServerInfo.hub)
438 <    if ((ptr = dlinkFindDelete(&lazylink_channels, chptr)))
439 <      free_dlink_node(ptr);
440 <
441 <  BlockHeapFree(channel_heap, chptr);
374 >  mp_pool_release(chptr);
375   }
376  
377   /*!
378 < * \param chptr pointer to channel
379 < * \return string pointer "=" if public, "@" if secret else "*"
378 > * \param chptr Pointer to channel
379 > * \return String pointer "=" if public, "@" if secret else "*"
380   */
381   static const char *
382 < channel_pub_or_secret(struct Channel *chptr)
382 > channel_pub_or_secret(const struct Channel *chptr)
383   {
384    if (SecretChannel(chptr))
385      return "@";
# Line 456 | Line 389 | channel_pub_or_secret(struct Channel *ch
389   }
390  
391   /*! \brief lists all names on given channel
392 < * \param source_p pointer to client struct requesting names
393 < * \param chptr    pointer to channel block
394 < * \param show_eon show ENDOFNAMES numeric or not
392 > * \param client_p Pointer to client struct requesting names
393 > * \param chptr    Pointer to channel block
394 > * \param show_eon Show RPL_ENDOFNAMES numeric or not
395   *                 (don't want it with /names with no params)
396   */
397   void
398 < channel_member_names(struct Client *source_p, struct Channel *chptr,
398 > channel_member_names(struct Client *client_p, struct Channel *chptr,
399                       int show_eon)
400   {
401 <  struct Client *target_p = NULL;
402 <  struct Membership *ms = NULL;
470 <  dlink_node *ptr = NULL;
471 <  char lbuf[IRCD_BUFSIZE + 1];
401 >  const dlink_node *node = NULL;
402 >  char buf[IRCD_BUFSIZE + 1] = "";
403    char *t = NULL, *start = NULL;
404    int tlen = 0;
405 <  int is_member = IsMember(source_p, chptr);
405 >  const int is_member = IsMember(client_p, chptr);
406 >  const int multi_prefix = HasCap(client_p, CAP_MULTI_PREFIX) != 0;
407 >  const int uhnames = HasCap(client_p, CAP_UHNAMES) != 0;
408 >
409 >  assert(IsClient(client_p));
410  
411    if (PubChannel(chptr) || is_member)
412    {
413 <    t = lbuf + ircsprintf(lbuf, form_str(RPL_NAMREPLY),
414 <                          me.name, source_p->name,
415 <                          channel_pub_or_secret(chptr),
481 <                          chptr->chname);
413 >    t = buf + snprintf(buf, sizeof(buf), numeric_form(RPL_NAMREPLY),
414 >                       me.name, client_p->name,
415 >                       channel_pub_or_secret(chptr), chptr->name);
416      start = t;
417  
418 <    DLINK_FOREACH(ptr, chptr->members.head)
418 >    DLINK_FOREACH(node, chptr->members.head)
419      {
420 <      ms       = ptr->data;
487 <      target_p = ms->client_p;
420 >      const struct Membership *member = node->data;
421  
422 <      if (IsInvisible(target_p) && !is_member)
422 >      if (HasUMode(member->client_p, UMODE_INVISIBLE) && !is_member)
423          continue;
424  
425 <      tlen = strlen(target_p->name) + 1;  /* nick + space */
425 >      if (!uhnames)
426 >        tlen = strlen(member->client_p->name) + 1;  /* +1 for space */
427 >      else
428 >        tlen = strlen(member->client_p->name) + strlen(member->client_p->username) +
429 >               strlen(member->client_p->host) + 3;  /* +3 for ! + @ + space */
430 >
431 >      if (!multi_prefix)
432 >      {
433 >        if (member->flags & (CHFL_CHANOP | CHFL_HALFOP | CHFL_VOICE))
434 >          ++tlen;
435 >      }
436 >      else
437 >      {
438 >        if (member->flags & CHFL_CHANOP)
439 >          ++tlen;
440 >        if (member->flags & CHFL_HALFOP)
441 >          ++tlen;
442 >        if (member->flags & CHFL_VOICE)
443 >          ++tlen;
444 >      }
445  
446 <      if (ms->flags & (CHFL_CHANOP | CHFL_HALFOP | CHFL_VOICE))
495 <        ++tlen;
496 <      if (t + tlen - lbuf > IRCD_BUFSIZE)
446 >      if (t + tlen - buf > IRCD_BUFSIZE - 2)
447        {
448          *(t - 1) = '\0';
449 <        sendto_one(source_p, "%s", lbuf);
449 >        sendto_one(client_p, "%s", buf);
450          t = start;
451        }
452  
453 <      t += ircsprintf(t, "%s%s ", get_member_status(ms, NO),
454 <                      target_p->name);
453 >      if (!uhnames)
454 >        t += sprintf(t, "%s%s ", get_member_status(member, multi_prefix),
455 >                     member->client_p->name);
456 >      else
457 >        t += sprintf(t, "%s%s!%s@%s ", get_member_status(member, multi_prefix),
458 >                     member->client_p->name, member->client_p->username,
459 >                     member->client_p->host);
460      }
461  
462 <    if (tlen != 0)
462 >    if (tlen)
463      {
464        *(t - 1) = '\0';
465 <      sendto_one(source_p, "%s", lbuf);
465 >      sendto_one(client_p, "%s", buf);
466      }
467    }
468  
469    if (show_eon)
470 <    sendto_one(source_p, form_str(RPL_ENDOFNAMES),
516 <               me.name, source_p->name, chptr->chname);
470 >    sendto_one_numeric(client_p, &me, RPL_ENDOFNAMES, chptr->name);
471   }
472  
473 < /*! \brief adds client to invite list
474 < * \param chptr pointer to channel block
475 < * \param who   pointer to client to add invite to
473 > /*! \brief Adds client to invite list
474 > * \param chptr    Pointer to channel block
475 > * \param client_p Pointer to client to add invite to
476   */
477   void
478 < add_invite(struct Channel *chptr, struct Client *who)
478 > add_invite(struct Channel *chptr, struct Client *client_p)
479   {
480 <  del_invite(chptr, who);
480 >  assert(IsClient(client_p));
481 >
482 >  del_invite(chptr, client_p);
483  
484    /*
485 <   * delete last link in chain if the list is max length
485 >   * Delete last link in chain if the list is max length
486     */
487 <  if (dlink_list_length(&who->invited) >=
488 <      ConfigChannel.max_chans_per_user)
489 <    del_invite(who->invited.tail->data, who);
487 >  if (dlink_list_length(&client_p->connection->invited) >=
488 >      ConfigChannel.max_channels)
489 >    del_invite(client_p->connection->invited.tail->data, client_p);
490  
491 <  /* add client to channel invite list */
492 <  dlinkAdd(who, make_dlink_node(), &chptr->invites);
491 >  /* Add client to channel invite list */
492 >  dlinkAdd(client_p, make_dlink_node(), &chptr->invites);
493  
494 <  /* add channel to the end of the client invite list */
495 <  dlinkAdd(chptr, make_dlink_node(), &who->invited);
494 >  /* Add channel to the end of the client invite list */
495 >  dlinkAdd(chptr, make_dlink_node(), &client_p->connection->invited);
496   }
497  
498   /*! \brief Delete Invite block from channel invite list
499   *         and client invite list
500 < * \param chptr pointer to Channel struct
501 < * \param who   pointer to client to remove invites from
500 > * \param chptr    Pointer to Channel struct
501 > * \param client_p Pointer to client to remove invites from
502 > */
503 > void
504 > del_invite(struct Channel *chptr, struct Client *client_p)
505 > {
506 >  dlink_node *node = NULL;
507 >
508 >  if ((node = dlinkFindDelete(&client_p->connection->invited, chptr)))
509 >    free_dlink_node(node);
510 >
511 >  if ((node = dlinkFindDelete(&chptr->invites, client_p)))
512 >    free_dlink_node(node);
513 > }
514 >
515 > /*! \brief Removes all invites of a specific channel
516 > * \param chptr Pointer to Channel struct
517   */
518   void
519 < del_invite(struct Channel *chptr, struct Client *who)
519 > clear_invites_channel(struct Channel *chptr)
520   {
521 <  dlink_node *ptr = NULL;
521 >  dlink_node *node = NULL, *node_next = NULL;
522 >
523 >  DLINK_FOREACH_SAFE(node, node_next, chptr->invites.head)
524 >    del_invite(chptr, node->data);
525 > }
526  
527 <  if ((ptr = dlinkFindDelete(&who->invited, chptr)))
528 <    free_dlink_node(ptr);
527 > /*! \brief Removes all invites of a specific client
528 > * \param client_p Pointer to Client struct
529 > */
530 > void
531 > clear_invites_client(struct Client *client_p)
532 > {
533 >  dlink_node *node = NULL, *node_next = NULL;
534  
535 <  if ((ptr = dlinkFindDelete(&chptr->invites, who)))
536 <    free_dlink_node(ptr);
535 >  DLINK_FOREACH_SAFE(node, node_next, client_p->connection->invited.head)
536 >    del_invite(node->data, client_p);
537   }
538  
539   /* get_member_status()
# Line 568 | Line 548 | del_invite(struct Channel *chptr, struct
548   * (like in get_client_name)
549   */
550   const char *
551 < get_member_status(const struct Membership *ms, int combine)
551 > get_member_status(const struct Membership *member, const int combine)
552   {
553 <  static char buffer[4];
554 <  char *p = NULL;
575 <
576 <  if (ms == NULL)
577 <    return "";
578 <  p = buffer;
553 >  static char buffer[CMEMBER_STATUS_FLAGS_LEN + 1];  /* +1 for \0 */
554 >  char *p = buffer;
555  
556 <  if (ms->flags & CHFL_CHANOP)
556 >  if (member->flags & CHFL_CHANOP)
557    {
558      if (!combine)
559        return "@";
560      *p++ = '@';
561    }
562  
563 < #ifdef HALFOPS
588 <  if (ms->flags & CHFL_HALFOP)
563 >  if (member->flags & CHFL_HALFOP)
564    {
565      if (!combine)
566        return "%";
567      *p++ = '%';
568    }
594 #endif
569  
570 <  if (ms->flags & CHFL_VOICE)
570 >  if (member->flags & CHFL_VOICE)
571      *p++ = '+';
572    *p = '\0';
573  
# Line 601 | Line 575 | get_member_status(const struct Membershi
575   }
576  
577   /*!
578 < * \param who  pointer to Client to check
579 < * \param list pointer to ban list to search
578 > * \param client_p Pointer to Client to check
579 > * \param list     Pointer to ban list to search
580   * \return 1 if ban found for given n!u\@h mask, 0 otherwise
607 *
581   */
582   static int
583 < find_bmask(const struct Client *who, const dlink_list *const list)
583 > find_bmask(const struct Client *client_p, const dlink_list *const list)
584   {
585 <  const dlink_node *ptr = NULL;
585 >  const dlink_node *node = NULL;
586  
587 <  DLINK_FOREACH(ptr, list->head)
587 >  DLINK_FOREACH(node, list->head)
588    {
589 <    const struct Ban *bp = ptr->data;
589 >    const struct Ban *ban = node->data;
590  
591 <    if (match(bp->name, who->name) &&
592 <        match(bp->username, who->username) &&
593 <        (match(bp->host, who->host) ||
594 <         match(bp->host, who->sockhost) ||
595 <         match_cidr(bp->host, who->sockhost)))
596 <      return 1;
591 >    if (!match(ban->name, client_p->name) && !match(ban->user, client_p->username))
592 >    {
593 >      switch (ban->type)
594 >      {
595 >        case HM_HOST:
596 >          if (!match(ban->host, client_p->host) || !match(ban->host, client_p->sockhost))
597 >            return 1;
598 >          break;
599 >        case HM_IPV4:
600 >          if (client_p->connection->aftype == AF_INET)
601 >            if (match_ipv4(&client_p->connection->ip, &ban->addr, ban->bits))
602 >              return 1;
603 >          break;
604 >        case HM_IPV6:
605 >          if (client_p->connection->aftype == AF_INET6)
606 >            if (match_ipv6(&client_p->connection->ip, &ban->addr, ban->bits))
607 >              return 1;
608 >          break;
609 >        default:
610 >          assert(0);
611 >      }
612 >    }
613    }
614  
615    return 0;
616   }
617  
618   /*!
619 < * \param chptr pointer to channel block
620 < * \param who   pointer to client to check access fo
619 > * \param chptr    Pointer to channel block
620 > * \param client_p Pointer to client to check access fo
621   * \return 0 if not banned, 1 otherwise
622   */
623   int
624 < is_banned(struct Channel *chptr, struct Client *who)
624 > is_banned(const struct Channel *chptr, const struct Client *client_p)
625   {
626 <  assert(IsClient(who));
626 >  if (find_bmask(client_p, &chptr->banlist))
627 >    if (!find_bmask(client_p, &chptr->exceptlist))
628 >      return 1;
629  
630 <  return find_bmask(who, &chptr->banlist) && (!ConfigChannel.use_except ||
640 <         !find_bmask(who, &chptr->exceptlist));
630 >  return 0;
631   }
632  
633 < /*!
634 < * \param source_p pointer to client attempting to join
635 < * \param chptr    pointer to channel
636 < * \param key      key sent by client attempting to join if present
633 > /*! Tests if a client can join a certain channel
634 > * \param client_p Pointer to client attempting to join
635 > * \param chptr    Pointer to channel
636 > * \param key      Key sent by client attempting to join if present
637   * \return ERR_BANNEDFROMCHAN, ERR_INVITEONLYCHAN, ERR_CHANNELISFULL
638   *         or 0 if allowed to join.
639   */
640 < int
641 < can_join(struct Client *source_p, struct Channel *chptr, const char *key)
640 > static int
641 > can_join(struct Client *client_p, const struct Channel *chptr, const char *key)
642   {
643 <  if (find_bmask(source_p, &chptr->banlist))
644 <    if (!ConfigChannel.use_except || !find_bmask(source_p, &chptr->exceptlist))
645 <      return ERR_BANNEDFROMCHAN;
643 >  if ((chptr->mode.mode & MODE_SSLONLY) && !HasUMode(client_p, UMODE_SSL))
644 >    return ERR_SSLONLYCHAN;
645 >
646 >  if ((chptr->mode.mode & MODE_REGONLY) && !HasUMode(client_p, UMODE_REGISTERED))
647 >    return ERR_NEEDREGGEDNICK;
648 >
649 >  if ((chptr->mode.mode & MODE_OPERONLY) && !HasUMode(client_p, UMODE_OPER))
650 >    return ERR_OPERONLYCHAN;
651  
652    if (chptr->mode.mode & MODE_INVITEONLY)
653 <    if (!dlinkFind(&source_p->invited, chptr))
654 <      if (!ConfigChannel.use_invex || !find_bmask(source_p, &chptr->invexlist))
653 >    if (!dlinkFind(&client_p->connection->invited, chptr))
654 >      if (!find_bmask(client_p, &chptr->invexlist))
655          return ERR_INVITEONLYCHAN;
656  
657 <  if (chptr->mode.key[0] && (EmptyString(key) || irccmp(chptr->mode.key, key)))
657 >  if (chptr->mode.key[0] && (!key || strcmp(chptr->mode.key, key)))
658      return ERR_BADCHANNELKEY;
659  
660    if (chptr->mode.limit && dlink_list_length(&chptr->members) >=
661        chptr->mode.limit)
662      return ERR_CHANNELISFULL;
663  
664 +  if (is_banned(chptr, client_p))
665 +    return ERR_BANNEDFROMCHAN;
666 +
667    return 0;
668   }
669  
670   int
671 < has_member_flags(struct Membership *ms, unsigned int flags)
671 > has_member_flags(const struct Membership *member, const unsigned int flags)
672   {
673 <  if (ms != NULL)
676 <    return ms->flags & flags;
677 <  return 0;
673 >  return member && (member->flags & flags);
674   }
675  
676   struct Membership *
677   find_channel_link(struct Client *client_p, struct Channel *chptr)
678   {
679 <  dlink_node *ptr = NULL;
679 >  dlink_node *node = NULL;
680  
681    if (!IsClient(client_p))
682      return NULL;
683  
684 <  DLINK_FOREACH(ptr, client_p->channel.head)
685 <    if (((struct Membership *)ptr->data)->chptr == chptr)
686 <      return (struct Membership *)ptr->data;
684 >  if (dlink_list_length(&chptr->members) < dlink_list_length(&client_p->channel))
685 >  {
686 >    DLINK_FOREACH(node, chptr->members.head)
687 >      if (((struct Membership *)node->data)->client_p == client_p)
688 >        return node->data;
689 >  }
690 >  else
691 >  {
692 >    DLINK_FOREACH(node, client_p->channel.head)
693 >      if (((struct Membership *)node->data)->chptr == chptr)
694 >        return node->data;
695 >  }
696  
697    return NULL;
698   }
699  
700 < /*!
701 < * \param chptr    pointer to Channel struct
702 < * \param source_p pointer to Client struct
698 < * \return CAN_SEND_OPV if op or voiced on channel\n
699 < *         CAN_SEND_NONOP if can send to channel but is not an op\n
700 < *         CAN_SEND_NO if they cannot send to channel\n
700 > /*! Checks if a message contains control codes
701 > * \param message The actual message string the client wants to send
702 > * \return 1 if the message does contain any control codes, 0 otherwise
703   */
704 < int
705 < can_send(struct Channel *chptr, struct Client *source_p)
704 > static int
705 > msg_has_ctrls(const char *message)
706   {
707 <  struct Membership *ms = NULL;
706 <
707 <  if (IsServer(source_p))
708 <    return CAN_SEND_OPV;
709 <
710 <  if (MyClient(source_p) && !IsExemptResv(source_p) &&
711 <      !(IsOper(source_p) && ConfigFileEntry.oper_pass_resv) &&
712 <      (!hash_find_resv(chptr->chname) == ConfigChannel.restrict_channels))
713 <    return CAN_SEND_NO;
707 >  const unsigned char *p = (const unsigned char *)message;
708  
709 <  if ((ms = find_channel_link(source_p, chptr)) == NULL)
716 <  {
717 <    if (chptr->mode.mode & MODE_NOPRIVMSGS)
718 <      return CAN_SEND_NO;
719 <  }
720 <  else
709 >  for (; *p; ++p)
710    {
711 <    if (ms->flags & (CHFL_CHANOP|CHFL_HALFOP|CHFL_VOICE))
712 <      return CAN_SEND_OPV;
711 >    if (*p > 31 || *p == 1)
712 >      continue;  /* No control code or CTCP */
713  
714 <    /* cache can send if quiet_on_ban and banned */
726 <    if (ConfigChannel.quiet_on_ban && MyClient(source_p))
714 >    if (*p == 27)  /* Escape */
715      {
716 <      if (ms->flags & CHFL_BAN_SILENCED)
717 <        return CAN_SEND_NO;
718 <
731 <      if (!(ms->flags & CHFL_BAN_CHECKED))
716 >      /* ISO 2022 charset shift sequence */
717 >      if (*(p + 1) == '$' ||
718 >          *(p + 1) == '(')
719        {
720 <        if (is_banned(chptr, source_p))
721 <        {
735 <          ms->flags |= (CHFL_BAN_CHECKED|CHFL_BAN_SILENCED);
736 <          return CAN_SEND_NO;
737 <        }
738 <
739 <        ms->flags |= CHFL_BAN_CHECKED;
720 >        ++p;
721 >        continue;
722        }
723      }
742  }
724  
725 <  if (chptr->mode.mode & MODE_MODERATED)
726 <    return CAN_SEND_NO;
725 >    return 1;  /* Control code */
726 >  }
727  
728 <  return CAN_SEND_NONOP;
728 >  return 0;  /* No control code found */
729   }
730  
731 < /*! \brief Checks to see if given client can send a part message
732 < * \param member     pointer to channel membership
733 < * \param chptr      pointer to channel struct
734 < * \param source_p   pointer to struct Client to check
731 > /*! Tests if a client can send to a channel
732 > * \param chptr    Pointer to Channel struct
733 > * \param client_p Pointer to Client struct
734 > * \param member   Pointer to Membership struct (can be NULL)
735 > * \param message  The actual message string the client wants to send
736 > * \return CAN_SEND_OPV if op or voiced on channel\n
737 > *         CAN_SEND_NONOP if can send to channel but is not an op\n
738 > *         ERR_CANNOTSENDTOCHAN or ERR_NEEDREGGEDNICK if they cannot send to channel\n
739   */
740   int
741 < can_send_part(struct Membership *member, struct Channel *chptr,
742 <              struct Client *source_p)
741 > can_send(struct Channel *chptr, struct Client *client_p,
742 >         struct Membership *member, const char *message, int notice)
743   {
744 <  if (has_member_flags(member, CHFL_CHANOP|CHFL_HALFOP))
744 >  const struct MaskItem *conf = NULL;
745 >
746 >  if (IsServer(client_p) || HasFlag(client_p, FLAGS_SERVICE))
747      return CAN_SEND_OPV;
748  
749 +  if (MyConnect(client_p) && !HasFlag(client_p, FLAGS_EXEMPTRESV))
750 +    if (!(HasUMode(client_p, UMODE_OPER) && HasOFlag(client_p, OPER_FLAG_JOIN_RESV)))
751 +      if ((conf = match_find_resv(chptr->name)) && !resv_find_exempt(client_p, conf))
752 +        return ERR_CANNOTSENDTOCHAN;
753 +
754 +  if ((chptr->mode.mode & MODE_NOCTRL) && msg_has_ctrls(message))
755 +    return ERR_NOCTRLSONCHAN;
756 +
757 +  if (chptr->mode.mode & MODE_NOCTCP)
758 +    if (*message == '\001' && strncmp(message + 1, "ACTION ", 7))
759 +      return ERR_NOCTCP;
760 +
761 +  if (member || (member = find_channel_link(client_p, chptr)))
762 +    if (member->flags & (CHFL_CHANOP | CHFL_HALFOP | CHFL_VOICE))
763 +      return CAN_SEND_OPV;
764 +
765 +  if (!member && (chptr->mode.mode & MODE_NOPRIVMSGS))
766 +    return ERR_CANNOTSENDTOCHAN;
767 +
768    if (chptr->mode.mode & MODE_MODERATED)
769 <    return CAN_SEND_NO;
769 >    return ERR_CANNOTSENDTOCHAN;
770 >
771 >  if ((chptr->mode.mode & MODE_MODREG) && !HasUMode(client_p, UMODE_REGISTERED))
772 >    return ERR_NEEDREGGEDNICK;
773 >
774 >  if ((chptr->mode.mode & MODE_NONOTICE) && notice)
775 >    return ERR_CANNOTSENDTOCHAN;
776  
777 <  if (ConfigChannel.quiet_on_ban && MyClient(source_p) &&
778 <      is_banned(chptr, source_p))
779 <    return CAN_SEND_NO;
777 >  /* Cache can send if banned */
778 >  if (MyConnect(client_p))
779 >  {
780 >    if (member)
781 >    {
782 >      if (member->flags & CHFL_BAN_SILENCED)
783 >        return ERR_CANNOTSENDTOCHAN;
784 >
785 >      if (!(member->flags & CHFL_BAN_CHECKED))
786 >      {
787 >        if (is_banned(chptr, client_p))
788 >        {
789 >          member->flags |= (CHFL_BAN_CHECKED | CHFL_BAN_SILENCED);
790 >          return ERR_CANNOTSENDTOCHAN;
791 >        }
792 >
793 >        member->flags |= CHFL_BAN_CHECKED;
794 >      }
795 >    }
796 >    else if (is_banned(chptr, client_p))
797 >      return ERR_CANNOTSENDTOCHAN;
798 >  }
799  
800    return CAN_SEND_NONOP;
801   }
# Line 772 | Line 803 | can_send_part(struct Membership *member,
803   /*! \brief Updates the client's oper_warn_count_down, warns the
804   *         IRC operators if necessary, and updates
805   *         join_leave_countdown as needed.
806 < * \param source_p pointer to struct Client to check
807 < * \param name     channel name or NULL if this is a part.
806 > * \param client_p Pointer to struct Client to check
807 > * \param name     Channel name or NULL if this is a part.
808   */
809   void
810 < check_spambot_warning(struct Client *source_p, const char *name)
810 > check_spambot_warning(struct Client *client_p, const char *name)
811   {
812    int t_delta = 0;
813    int decrement_count = 0;
814  
815    if ((GlobalSetOptions.spam_num &&
816 <       (source_p->localClient->join_leave_count >=
816 >       (client_p->connection->join_leave_count >=
817          GlobalSetOptions.spam_num)))
818    {
819 <    if (source_p->localClient->oper_warn_count_down > 0)
820 <      source_p->localClient->oper_warn_count_down--;
819 >    if (client_p->connection->oper_warn_count_down > 0)
820 >      client_p->connection->oper_warn_count_down--;
821      else
822 <      source_p->localClient->oper_warn_count_down = 0;
822 >      client_p->connection->oper_warn_count_down = 0;
823  
824 <    if (source_p->localClient->oper_warn_count_down == 0)
824 >    if (client_p->connection->oper_warn_count_down == 0)
825      {
826 <      /* Its already known as a possible spambot */
827 <      if (name != NULL)
828 <        sendto_realops_flags(UMODE_BOTS, L_ALL,
826 >      /* It's already known as a possible spambot */
827 >      if (name)
828 >        sendto_realops_flags(UMODE_BOTS, L_ALL, SEND_NOTICE,
829                               "User %s (%s@%s) trying to join %s is a possible spambot",
830 <                             source_p->name, source_p->username,
831 <                             source_p->host, name);
830 >                             client_p->name, client_p->username,
831 >                             client_p->host, name);
832        else
833 <        sendto_realops_flags(UMODE_BOTS, L_ALL,
833 >        sendto_realops_flags(UMODE_BOTS, L_ALL, SEND_NOTICE,
834                               "User %s (%s@%s) is a possible spambot",
835 <                             source_p->name, source_p->username,
836 <                             source_p->host);
837 <      source_p->localClient->oper_warn_count_down = OPER_SPAM_COUNTDOWN;
835 >                             client_p->name, client_p->username,
836 >                             client_p->host);
837 >      client_p->connection->oper_warn_count_down = OPER_SPAM_COUNTDOWN;
838      }
839    }
840    else
841    {
842 <    if ((t_delta = (CurrentTime - source_p->localClient->last_leave_time)) >
842 >    if ((t_delta = (CurrentTime - client_p->connection->last_leave_time)) >
843           JOIN_LEAVE_COUNT_EXPIRE_TIME)
844      {
845        decrement_count = (t_delta / JOIN_LEAVE_COUNT_EXPIRE_TIME);
846 <      if (decrement_count > source_p->localClient->join_leave_count)
847 <        source_p->localClient->join_leave_count = 0;
846 >
847 >      if (decrement_count > client_p->connection->join_leave_count)
848 >        client_p->connection->join_leave_count = 0;
849        else
850 <        source_p->localClient->join_leave_count -= decrement_count;
850 >        client_p->connection->join_leave_count -= decrement_count;
851      }
852      else
853      {
854 <      if ((CurrentTime - (source_p->localClient->last_join_time)) <
854 >      if ((CurrentTime - (client_p->connection->last_join_time)) <
855            GlobalSetOptions.spam_time)
856 <      {
825 <        /* oh, its a possible spambot */
826 <        source_p->localClient->join_leave_count++;
827 <      }
856 >        client_p->connection->join_leave_count++;  /* It's a possible spambot */
857      }
858  
859 <    if (name != NULL)
860 <      source_p->localClient->last_join_time = CurrentTime;
859 >    if (name)
860 >      client_p->connection->last_join_time = CurrentTime;
861      else
862 <      source_p->localClient->last_leave_time = CurrentTime;
862 >      client_p->connection->last_leave_time = CurrentTime;
863    }
864   }
865  
866 < /*! \brief compares usercount and servercount against their split
867 < *         values and adjusts splitmode accordingly
868 < * \param unused Unused address pointer
866 > /*! \brief Sets the channel topic for a certain channel
867 > * \param chptr      Pointer to struct Channel
868 > * \param topic      The topic string
869 > * \param topic_info n!u\@h formatted string of the topic setter
870 > * \param topicts    Timestamp on the topic
871 > * \param local      Whether the topic is set by a local client
872   */
873   void
874 < check_splitmode(void *unused)
874 > channel_set_topic(struct Channel *chptr, const char *topic,
875 >                  const char *topic_info, time_t topicts, int local)
876   {
877 <  if (splitchecking && (ConfigChannel.no_join_on_split ||
878 <                        ConfigChannel.no_create_on_split))
877 >  if (local)
878 >    strlcpy(chptr->topic, topic, IRCD_MIN(sizeof(chptr->topic), ConfigServerInfo.max_topic_length + 1));
879 >  else
880 >    strlcpy(chptr->topic, topic, sizeof(chptr->topic));
881 >
882 >  strlcpy(chptr->topic_info, topic_info, sizeof(chptr->topic_info));
883 >  chptr->topic_time = topicts;
884 > }
885 >
886 > /* do_join_0()
887 > *
888 > * inputs       - pointer to client doing join 0
889 > * output       - NONE
890 > * side effects - Use has decided to join 0. This is legacy
891 > *                from the days when channels were numbers not names. *sigh*
892 > *                There is a bunch of evilness necessary here due to
893 > *                anti spambot code.
894 > */
895 > void
896 > channel_do_join_0(struct Client *client_p)
897 > {
898 >  if (client_p->channel.head)
899 >    if (MyConnect(client_p) && !HasUMode(client_p, UMODE_OPER))
900 >      check_spambot_warning(client_p, NULL);
901 >
902 >  while (client_p->channel.head)
903    {
904 <    const unsigned int server = dlink_list_length(&global_serv_list);
904 >    struct Membership *member = client_p->channel.head->data;
905 >
906 >    sendto_server(client_p, 0, 0, ":%s PART %s",
907 >                  client_p->id, member->chptr->name);
908 >    sendto_channel_local(NULL, member->chptr, 0, 0, 0, ":%s!%s@%s PART %s",
909 >                         client_p->name, client_p->username,
910 >                         client_p->host, member->chptr->name);
911  
912 <    if (!splitmode && ((server < split_servers) || (Count.total < split_users)))
912 >    remove_user_from_channel(member);
913 >  }
914 > }
915 >
916 > static char *
917 > channel_find_last0(struct Client *client_p, char *chanlist)
918 > {
919 >  int join0 = 0;
920 >
921 >  for (char *p = chanlist; *p; ++p)  /* Find last "JOIN 0" */
922 >  {
923 >    if (*p == '0' && (*(p + 1) == ',' || *(p + 1) == '\0'))
924      {
925 <      splitmode = 1;
925 >      if (*(p + 1) == ',')
926 >        ++p;
927  
928 <      sendto_realops_flags(UMODE_ALL,L_ALL,
929 <                           "Network split, activating splitmode");
855 <      eventAddIsh("check_splitmode", check_splitmode, NULL, 10);
928 >      chanlist = p + 1;
929 >      join0 = 1;
930      }
931 <    else if (splitmode && (server > split_servers) && (Count.total > split_users))
931 >    else
932      {
933 <      splitmode = 0;
933 >      while (*p != ',' && *p != '\0')  /* Skip past channel name */
934 >        ++p;
935  
936 <      sendto_realops_flags(UMODE_ALL, L_ALL,
937 <                           "Network rejoined, deactivating splitmode");
863 <      eventDelete(check_splitmode, NULL);
936 >      if (*p == '\0')  /* Hit the end */
937 >        break;
938      }
939    }
940 +
941 +  if (join0)
942 +    channel_do_join_0(client_p);
943 +
944 +  return chanlist;
945   }
946  
947 < /*! \brief Allocates a new topic
948 < * \param chptr Channel to allocate a new topic for
870 < */
871 < static void
872 < allocate_topic(struct Channel *chptr)
947 > void
948 > channel_do_join(struct Client *client_p, char *channel, char *key_list)
949   {
950 <  void *ptr = NULL;
950 >  char *p = NULL;
951 >  char *chan = NULL;
952 >  char *chan_list = NULL;
953 >  struct Channel *chptr = NULL;
954 >  struct MaskItem *conf = NULL;
955 >  const struct ClassItem *const class = get_class_ptr(&client_p->connection->confs);
956 >  int i = 0;
957 >  unsigned int flags = 0;
958  
959 <  if (chptr == NULL)
877 <    return;
959 >  assert(IsClient(client_p));
960  
961 <  ptr = BlockHeapAlloc(topic_heap);  
961 >  chan_list = channel_find_last0(client_p, channel);
962  
963 <  /* Basically we allocate one large block for the topic and
964 <   * the topic info.  We then split it up into two and shove it
965 <   * in the chptr
966 <   */
885 <  chptr->topic       = ptr;
886 <  chptr->topic_info  = (char *)ptr + TOPICLEN+1;
887 <  *chptr->topic      = '\0';
888 <  *chptr->topic_info = '\0';
889 < }
963 >  for (chan = strtok_r(chan_list, ",", &p); chan;
964 >       chan = strtok_r(NULL,      ",", &p))
965 >  {
966 >    const char *key = NULL;
967  
968 < void
969 < free_topic(struct Channel *chptr)
970 < {
894 <  void *ptr = NULL;
895 <  assert(chptr);
896 <  if (chptr->topic == NULL)
897 <    return;
968 >    /* If we have any more keys, take the first for this channel. */
969 >    if (!EmptyString(key_list) && (key_list = strchr(key = key_list, ',')))
970 >      *key_list++ = '\0';
971  
972 <  /*
973 <   * If you change allocate_topic you MUST change this as well
974 <   */
975 <  ptr = chptr->topic;
976 <  BlockHeapFree(topic_heap, ptr);    
977 <  chptr->topic      = NULL;
978 <  chptr->topic_info = NULL;
972 >    /* Empty keys are the same as no keys. */
973 >    if (key && *key == '\0')
974 >      key = NULL;
975 >
976 >    if (!channel_check_name(chan, 1))
977 >    {
978 >      sendto_one_numeric(client_p, &me, ERR_BADCHANNAME, chan);
979 >      continue;
980 >    }
981 >
982 >    if (!HasFlag(client_p, FLAGS_EXEMPTRESV) &&
983 >        !(HasUMode(client_p, UMODE_OPER) && HasOFlag(client_p, OPER_FLAG_JOIN_RESV)) &&
984 >        ((conf = match_find_resv(chan)) && !resv_find_exempt(client_p, conf)))
985 >    {
986 >      ++conf->count;
987 >      sendto_one_numeric(client_p, &me, ERR_CHANBANREASON, chan, conf->reason);
988 >      sendto_realops_flags(UMODE_REJ, L_ALL, SEND_NOTICE,
989 >                           "Forbidding reserved channel %s from user %s",
990 >                           chan, get_client_name(client_p, HIDE_IP));
991 >      continue;
992 >    }
993 >
994 >    if (dlink_list_length(&client_p->channel) >=
995 >        ((class->max_channels) ? class->max_channels : ConfigChannel.max_channels))
996 >    {
997 >      sendto_one_numeric(client_p, &me, ERR_TOOMANYCHANNELS, chan);
998 >      break;
999 >    }
1000 >
1001 >    if ((chptr = hash_find_channel(chan)))
1002 >    {
1003 >      if (IsMember(client_p, chptr))
1004 >        continue;
1005 >
1006 >      /*
1007 >       * can_join checks for +i key, bans.
1008 >       */
1009 >      if ((i = can_join(client_p, chptr, key)))
1010 >      {
1011 >        sendto_one_numeric(client_p, &me, i, chptr->name);
1012 >        continue;
1013 >      }
1014 >
1015 >      /*
1016 >       * This should never be the case unless there is some sort of
1017 >       * persistant channels.
1018 >       */
1019 >      if (!dlink_list_length(&chptr->members))
1020 >        flags = CHFL_CHANOP;
1021 >      else
1022 >        flags = 0;
1023 >    }
1024 >    else
1025 >    {
1026 >      flags = CHFL_CHANOP;
1027 >      chptr = channel_make(chan);
1028 >    }
1029 >
1030 >    if (!HasUMode(client_p, UMODE_OPER))
1031 >      check_spambot_warning(client_p, chptr->name);
1032 >
1033 >    add_user_to_channel(chptr, client_p, flags, 1);
1034 >
1035 >    /*
1036 >     * Set timestamp if appropriate, and propagate
1037 >     */
1038 >    if (flags == CHFL_CHANOP)
1039 >    {
1040 >      chptr->creationtime = CurrentTime;
1041 >      chptr->mode.mode |= MODE_TOPICLIMIT;
1042 >      chptr->mode.mode |= MODE_NOPRIVMSGS;
1043 >
1044 >      sendto_server(client_p, 0, 0, ":%s SJOIN %ju %s +nt :@%s",
1045 >                    me.id, chptr->creationtime,
1046 >                    chptr->name, client_p->id);
1047 >
1048 >      /*
1049 >       * Notify all other users on the new channel
1050 >       */
1051 >      sendto_channel_local(NULL, chptr, 0, CAP_EXTENDED_JOIN, 0, ":%s!%s@%s JOIN %s %s :%s",
1052 >                           client_p->name, client_p->username,
1053 >                           client_p->host, chptr->name, client_p->account, client_p->info);
1054 >      sendto_channel_local(NULL, chptr, 0, 0, CAP_EXTENDED_JOIN, ":%s!%s@%s JOIN :%s",
1055 >                           client_p->name, client_p->username,
1056 >                           client_p->host, chptr->name);
1057 >      sendto_channel_local(NULL, chptr, 0, 0, 0, ":%s MODE %s +nt",
1058 >                           me.name, chptr->name);
1059 >
1060 >      if (client_p->away[0])
1061 >        sendto_channel_local(client_p, chptr, 0, CAP_AWAY_NOTIFY, 0,
1062 >                             ":%s!%s@%s AWAY :%s",
1063 >                             client_p->name, client_p->username,
1064 >                             client_p->host, client_p->away);
1065 >    }
1066 >    else
1067 >    {
1068 >      sendto_server(client_p, 0, 0, ":%s JOIN %ju %s +",
1069 >                    client_p->id, chptr->creationtime,
1070 >                    chptr->name);
1071 >
1072 >      sendto_channel_local(NULL, chptr, 0, CAP_EXTENDED_JOIN, 0, ":%s!%s@%s JOIN %s %s :%s",
1073 >                           client_p->name, client_p->username,
1074 >                           client_p->host, chptr->name, client_p->account, client_p->info);
1075 >      sendto_channel_local(NULL, chptr, 0, 0, CAP_EXTENDED_JOIN, ":%s!%s@%s JOIN :%s",
1076 >                           client_p->name, client_p->username,
1077 >                           client_p->host, chptr->name);
1078 >
1079 >      if (client_p->away[0])
1080 >        sendto_channel_local(client_p, chptr, 0, CAP_AWAY_NOTIFY, 0,
1081 >                             ":%s!%s@%s AWAY :%s",
1082 >                             client_p->name, client_p->username,
1083 >                             client_p->host, client_p->away);
1084 >    }
1085 >
1086 >    del_invite(chptr, client_p);
1087 >
1088 >    if (chptr->topic[0])
1089 >    {
1090 >      sendto_one_numeric(client_p, &me, RPL_TOPIC, chptr->name, chptr->topic);
1091 >      sendto_one_numeric(client_p, &me, RPL_TOPICWHOTIME, chptr->name,
1092 >                         chptr->topic_info, chptr->topic_time);
1093 >    }
1094 >
1095 >    channel_member_names(client_p, chptr, 1);
1096 >
1097 >    client_p->connection->last_join_time = CurrentTime;
1098 >  }
1099   }
1100  
1101 < /*! \brief Sets the channel topic for chptr
1102 < * \param chptr      Pointer to struct Channel
1103 < * \param topic      The topic string
1104 < * \param topic_info n!u\@h formatted string of the topic setter
912 < * \param topicts    timestamp on the topic
1101 > /*! \brief Removes a client from a specific channel
1102 > * \param client_p Pointer to source client to remove
1103 > * \param name     Name of channel to remove from
1104 > * \param reason   Part reason to show
1105   */
1106 < void
1107 < set_channel_topic(struct Channel *chptr, const char *topic,
916 <                  const char *topic_info, time_t topicts)
1106 > static void
1107 > channel_part_one_client(struct Client *client_p, const char *name, const char *reason)
1108   {
1109 <  if (!EmptyString(topic))
1109 >  struct Channel *chptr = NULL;
1110 >  struct Membership *member = NULL;
1111 >
1112 >  if ((chptr = hash_find_channel(name)) == NULL)
1113 >  {
1114 >    sendto_one_numeric(client_p, &me, ERR_NOSUCHCHANNEL, name);
1115 >    return;
1116 >  }
1117 >
1118 >  if ((member = find_channel_link(client_p, chptr)) == NULL)
1119    {
1120 <    if (chptr->topic == NULL)
1121 <      allocate_topic(chptr);
1120 >    sendto_one_numeric(client_p, &me, ERR_NOTONCHANNEL, chptr->name);
1121 >    return;
1122 >  }
1123 >
1124 >  if (MyConnect(client_p) && !HasUMode(client_p, UMODE_OPER))
1125 >    check_spambot_warning(client_p, NULL);
1126  
1127 <    strlcpy(chptr->topic, topic, TOPICLEN+1);
1128 <    strlcpy(chptr->topic_info, topic_info, USERHOST_REPLYLEN);
1129 <    chptr->topic_time = topicts;
1127 >  /*
1128 >   * Remove user from the old channel (if any)
1129 >   * only allow /part reasons in -m chans
1130 >   */
1131 >  if (*reason && (!MyConnect(client_p) ||
1132 >      ((client_p->connection->firsttime +
1133 >        ConfigGeneral.anti_spam_exit_message_time) < CurrentTime &&
1134 >       can_send(chptr, client_p, member, reason, 0) < 0)))
1135 >  {
1136 >    sendto_server(client_p, 0, 0, ":%s PART %s :%s",
1137 >                  client_p->id, chptr->name, reason);
1138 >    sendto_channel_local(NULL, chptr, 0, 0, 0, ":%s!%s@%s PART %s :%s",
1139 >                         client_p->name, client_p->username,
1140 >                         client_p->host, chptr->name, reason);
1141    }
1142    else
1143    {
1144 <    if (chptr->topic != NULL)
1145 <      free_topic(chptr);
1146 <
1147 <    chptr->topic_time = 0;
1144 >    sendto_server(client_p, 0, 0, ":%s PART %s",
1145 >                  client_p->id, chptr->name);
1146 >    sendto_channel_local(NULL, chptr, 0, 0, 0, ":%s!%s@%s PART %s",
1147 >                         client_p->name, client_p->username,
1148 >                         client_p->host, chptr->name);
1149    }
1150 +
1151 +  remove_user_from_channel(member);
1152   }
1153  
1154 + void
1155 + channel_do_part(struct Client *client_p, char *channel, const char *reason)
1156 + {
1157 +  char *p = NULL, *name = NULL;
1158 +  char buf[KICKLEN + 1] = "";
1159 +
1160 +  assert(IsClient(client_p));
1161 +
1162 +  if (!EmptyString(reason))
1163 +    strlcpy(buf, reason, sizeof(buf));
1164 +
1165 +  for (name = strtok_r(channel, ",", &p); name;
1166 +       name = strtok_r(NULL,    ",", &p))
1167 +    channel_part_one_client(client_p, name, buf);
1168 + }

Comparing:
ircd-hybrid/src/channel.c (property svn:keywords), Revision 32 by knight, Sun Oct 2 20:41:23 2005 UTC vs.
ircd-hybrid/trunk/src/channel.c (property svn:keywords), Revision 7266 by michael, Sat Feb 6 19:02:03 2016 UTC

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1 > Id Revision

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