offchannel fixes; more memory verification

[srvx.git] / src / hash.c

diff --git a/src/hash.c b/src/hash.c
index 168a31730ec6e8d9bf56a0e11ec90b5a89cb1adb..f179e96a88cac469d5cd189e4bae0baa93113bc6 100644 (file)
--- a/src/hash.c
+++ b/src/hash.c
@@ -1,11 +1,12 @@
 /* hash.c - IRC network state database
  * Copyright 2000-2004 srvx Development Team
  *
- * This program is free software; you can redistribute it and/or modify
+ * This file is part of srvx.
+ *
+ * srvx is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.  Important limitations are
- * listed in the COPYING file that accompanies this software.
+ * (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -13,7 +14,8 @@
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program; if not, email srvx-maintainers@srvx.net.
+ * along with srvx; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
  */
 
 #include "conf.h"
@@ -139,14 +141,14 @@ ReintroduceUser(struct userNode *user)
     unsigned int n;
        
     irc_user(user);
-    change.modes_set = change.modes_clear = 0;
+    mod_chanmode_init(&change);
     change.argc = 1;
     for (n = 0; n < user->channels.used; n++) {
         struct modeNode *mn = user->channels.list[n];
        irc_join(user, mn->channel);
         if (mn->modes) {
             change.args[0].mode = mn->modes;
-            change.args[0].member = mn;
+            change.args[0].u.member = mn;
             mod_chanmode_announce(user, mn->channel, &change);
         }
     }
@@ -236,6 +238,14 @@ StampUser(struct userNode *user, const char *stamp)
     user->modes |= FLAGS_STAMPED;
 }
 
+void
+assign_fakehost(struct userNode *user, const char *host, int announce)
+{
+    safestrncpy(user->fakehost, host, sizeof(user->fakehost));
+    if (announce)
+        irc_fakehost(user, host);
+}
+
 static new_channel_func_t *ncf_list;
 static unsigned int ncf_size = 0, ncf_used = 0;
 
@@ -306,7 +316,6 @@ wipeout_channel(struct chanNode *cNode, time_t new_time, char **modes, unsigned
             argc++;
     }
     if (argc) {
-        extern struct userNode *opserv;
         struct mod_chanmode *change;
 
         change = mod_chanmode_alloc(argc);
@@ -318,15 +327,13 @@ wipeout_channel(struct chanNode *cNode, time_t new_time, char **modes, unsigned
             struct modeNode *mn = cNode->members.list[nn];
             if ((mn->modes & MODE_CHANOP) && IsService(mn->user) && IsLocal(mn->user)) {
                 change->args[argc].mode = MODE_CHANOP;
-                change->args[argc].member = mn;
+                change->args[argc].u.member = mn;
                 argc++;
             }
         }
         assert(argc == change->argc);
-        if (change->argc > 0)
-            mod_chanmode_announce(change->args[0].member->user, cNode, change);
-        else
-            mod_chanmode_announce(opserv, cNode, change);
+        change->args[0].u.member->modes &= ~MODE_CHANOP;
+        mod_chanmode_announce(change->args[0].u.member->user, cNode, change);
         mod_chanmode_free(change);
     }
 }
@@ -418,6 +425,7 @@ DelChannel(struct chanNode *channel)
 {
     unsigned int n;
 
+    verify(channel);
     dict_remove(channels, channel->name);
 
     if (channel->members.used || channel->locks) {
@@ -533,9 +541,8 @@ DelChannelUser(struct userNode* user, struct chanNode* channel, const char *reas
     struct modeNode* mNode;
     unsigned int n;
 
-    if (reason) {
+    if (reason)
         irc_part(user, channel, reason);
-    }
 
     mNode = GetUserMode(channel, user);
 
@@ -548,12 +555,15 @@ DelChannelUser(struct userNode* user, struct chanNode* channel, const char *reas
     /* remove modeNode from channel and user */
     modeList_remove(&channel->members, mNode);
     modeList_remove(&user->channels, mNode);
-    free(mNode);
 
+    /* make callbacks */
     for (n=0; n<pf_used; n++)
-        pf_list[n](user, channel, reason);
+       pf_list[n](mNode, reason);
+
+    /* free memory */
+    free(mNode);
 
-    if (!deleting && !channel->members.used && !channel->locks)
+    if (!deleting && !channel->members.used && !channel->locks && !(channel->modes & MODE_REGISTERED))
         DelChannel(channel);
 }
 
@@ -682,8 +692,14 @@ GetUserMode(struct chanNode *channel, struct userNode *user)
 {
     unsigned int n;
     struct modeNode *mn = NULL;
+
+    verify(channel);
+    verify(channel->members.list);
+    verify(user);
+    verify(user->channels.list);
     if (channel->members.used < user->channels.used) {
        for (n=0; n<channel->members.used; n++) {
+            verify(channel->members.list[n]);
            if (user == channel->members.list[n]->user) {
                mn = channel->members.list[n];
                break;
@@ -691,6 +707,7 @@ GetUserMode(struct chanNode *channel, struct userNode *user)
        }
     } else {
        for (n=0; n<user->channels.used; n++) {
+            verify(user->channels.list[n]);
            if (channel == user->channels.list[n]->channel) {
                mn = user->channels.list[n];
                break;
@@ -709,7 +726,13 @@ DEFINE_LIST(serverList, struct server*)
 static void
 hash_cleanup(void)
 {
+    dict_iterator_t it, next;
+
     DelServer(self, 0, NULL);
+    for (it = dict_first(channels); it; it = next) {
+        next = iter_next(it);
+        DelChannel(iter_data(it));
+    }
     dict_delete(channels);
     dict_delete(clients);
     dict_delete(servers);