- s_user.c:user_set_hostmask(): send a QUIT/JOIN combination to other channel

  members to avoid desynchronized IALs


git-svn-id: svn://svn.ircd-hybrid.org/svnroot/ircd-hybrid/branches/8.1.x@2140 82007160-df01-0410-b94d-b575c5fd34c7

1 files changed, 46 insertions, 1 deletions

diff --git a/src/s_user.c b/src/s_user.c
index 8190ca2..9b4dc13 100644
--- a/src/s_user.c
+++ b/src/s_user.c
@@ -1055,6 +1055,11 @@ send_umode_out(struct Client *client_p, struct Client *source_p,
 void
 user_set_hostmask(struct Client *target_p, const char *hostname, const int what)
 {
+  dlink_node *ptr = NULL;
+
+  sendto_common_channels_local(target_p, 0, 0, ":%s!%s@%s QUIT :Changing hostname",
+                               target_p->name, target_p->username, target_p->host);
+
   if (IsUserHostIp(target_p))
     delete_user_host(target_p->username, target_p->host, !MyConnect(target_p));
 
@@ -1072,7 +1077,7 @@ user_set_hostmask(struct Client *target_p, const char *hostname, const int what)
     case MODE_DEL:
       DelUMode(target_p, UMODE_HIDDENHOST);
 
-      if (!HasFlag(target_p, FLAGS_AUTH_SPOOF));
+      if (!HasFlag(target_p, FLAGS_AUTH_SPOOF))
         DelFlag(target_p, FLAGS_IP_SPOOFING);
       break;
     default: break;
@@ -1085,6 +1090,46 @@ user_set_hostmask(struct Client *target_p, const char *hostname, const int what)
                target_p->host);
     clear_ban_cache_client(target_p);
   }
+
+  DLINK_FOREACH(ptr, target_p->channel.head)
+  {
+    char modebuf[4], nickbuf[NICKLEN * 3 + 3];
+    char *p = modebuf;
+    int len = 0;
+    const struct Membership *ms = ptr->data;
+
+    if (has_member_flags(ms, CHFL_CHANOP)) {
+      *p++ = 'o';
+      len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", target_p->name);
+    }
+
+    if (has_member_flags(ms, CHFL_HALFOP)) {
+      *p++ = 'h';
+      len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", target_p->name);
+    }
+
+    if (has_member_flags(ms, CHFL_VOICE)) {
+      *p++ = 'v';
+      len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", target_p->name);
+    }
+
+    *p = '\0';
+
+    sendto_channel_local_butone(target_p, 0, 0, ms->chptr, ":%s!%s@%s JOIN :%s",
+                                target_p->name, target_p->username, target_p->host,
+                                ms->chptr->chname);
+    if (nickbuf[0])
+      sendto_channel_local_butone(target_p, 0, 0, ms->chptr, ":%s MODE %s +%s %s",
+                                  target_p->servptr->name, ms->chptr->chname,
+                                  modebuf, nickbuf);
+
+  }
+
+  if (target_p->away[0])
+    sendto_common_channels_local(target_p, 0, CAP_AWAY_NOTIFY,
+                                 ":%s!%s@%s AWAY :%s",
+                                 target_p->name, target_p->username,
+                                 target_p->host, target_p->away);
 }
 
 /* user_welcome()