]> jfr.im git - solanum.git/blobdiff - extensions/override.c
m_shedding: user shedding module based on oftc-hybrid
[solanum.git] / extensions / override.c
index 6f679e92f6a4a98c7c4230c70ad59ade588347ec..5b1f60fbddf19a42255405a4f64a8abfaa34fa47 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * oper-override for charybdis.
+ * oper-override for solanum.
  *
  * adds usermode +p and has a timer event that is iterated over to disable
  * usermode +p after a while...
@@ -30,15 +30,17 @@ static void hack_channel_access(void *data);
 static void hack_can_join(void *data);
 static void hack_can_kick(void *data);
 static void hack_can_send(void *data);
+static void hack_can_invite(void *data);
 static void handle_client_exit(void *data);
 
 mapi_hfn_list_av1 override_hfnlist[] = {
-       { "umode_changed", (hookfn) check_umode_change },
-       { "get_channel_access", (hookfn) hack_channel_access },
-       { "can_join", (hookfn) hack_can_join },
-       { "can_kick", (hookfn) hack_can_kick },
-       { "can_send", (hookfn) hack_can_send },
-       { "client_exit", (hookfn) handle_client_exit },
+       { "umode_changed", check_umode_change },
+       { "get_channel_access", hack_channel_access, HOOK_HIGHEST },
+       { "can_join", hack_can_join, HOOK_HIGHEST },
+       { "can_kick", hack_can_kick, HOOK_HIGHEST },
+       { "can_send", hack_can_send, HOOK_HIGHEST },
+       { "can_invite", hack_can_invite, HOOK_HIGHEST },
+       { "client_exit", handle_client_exit },
        { NULL, NULL }
 };
 
@@ -55,25 +57,27 @@ struct OverrideSession {
 rb_dlink_list overriding_opers = { NULL, NULL, 0 };
 
 static void
-update_session_deadline(struct Client *source_p, struct OverrideSession *session_p)
+update_session_deadline(struct Client *source_p)
 {
-       if (session_p == NULL)
+       struct OverrideSession *session_p = NULL;
+       rb_dlink_node *n;
+
+       RB_DLINK_FOREACH(n, overriding_opers.head)
        {
-               rb_dlink_node *n;
+               struct OverrideSession *s = n->data;
 
-               RB_DLINK_FOREACH(n, overriding_opers.head)
+               if (s->client == source_p)
                {
-                       struct OverrideSession *s = n->data;
-
-                       if (s->client == source_p)
-                       {
-                               session_p = s;
-                               break;
-                       }
+                       session_p = s;
+                       break;
                }
        }
 
-       if (session_p == NULL)
+       if (session_p != NULL)
+       {
+               rb_dlinkDelete(&session_p->node, &overriding_opers);
+       }
+       else
        {
                session_p = rb_malloc(sizeof(struct OverrideSession));
                session_p->client = source_p;
@@ -81,8 +85,7 @@ update_session_deadline(struct Client *source_p, struct OverrideSession *session
 
        session_p->deadline = rb_current_time() + 1800;
 
-       rb_dlinkDelete(&session_p->node, &overriding_opers);
-       rb_dlinkAdd(session_p, &session_p->node, &overriding_opers);
+       rb_dlinkAddTail(session_p, &session_p->node, &overriding_opers);
 }
 
 static void
@@ -94,9 +97,11 @@ expire_override_deadlines(void *unused)
        {
                struct OverrideSession *session_p = n->data;
 
-               if (session_p->deadline > rb_current_time())
+               if (session_p->deadline >= rb_current_time())
+               {
                        break;
-               else if (session_p->deadline < rb_current_time())
+               }
+               else
                {
                        const char *parv[4] = {session_p->client->name, session_p->client->name, "-p", NULL};
                        user_mode(session_p->client, session_p->client, 3, parv);
@@ -130,9 +135,7 @@ check_umode_change(void *vdata)
 
                if (changed)
                {
-                       update_session_deadline(source_p, NULL);
-                       sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, "%s has enabled oper-override (+p)",
-                                       get_oper_name(source_p));
+                       update_session_deadline(source_p);
                }
        }
        else if (changed && !(source_p->umodes & user_modes['p']))
@@ -146,9 +149,6 @@ check_umode_change(void *vdata)
                        if (session_p->client != source_p)
                                continue;
 
-                       sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, "%s has disabled oper-override (+p)",
-                                              get_oper_name(session_p->client));
-
                        rb_dlinkDelete(n, &overriding_opers);
                        rb_free(session_p);
                }
@@ -168,7 +168,7 @@ hack_channel_access(void *vdata)
 
        if (data->client->umodes & user_modes['p'])
        {
-               update_session_deadline(data->client, NULL);
+               update_session_deadline(data->client);
                data->approved = CHFL_OVERRIDE;
 
                /* we only want to report modehacks, which are always non-NULL */
@@ -188,7 +188,7 @@ hack_can_join(void *vdata)
 
        if (data->client->umodes & user_modes['p'])
        {
-               update_session_deadline(data->client, NULL);
+               update_session_deadline(data->client);
                data->approved = 0;
 
                sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, "%s is using oper-override on %s (banwalking)",
@@ -202,40 +202,13 @@ hack_can_kick(void *vdata)
        hook_data_channel_approval *data = (hook_data_channel_approval *) vdata;
        int alevel;
 
-       if (data->target->umodes & user_modes['p'])
-       {
-               if (data->client->umodes & user_modes['p'])
-               {
-                       /* Using oper-override to kick an oper
-                        * who's also using oper-override, better
-                        * report what happened.
-                        */
-                       update_session_deadline(data->client, NULL);
-                       sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, "%s is using oper-override on %s (KICK %s)",
-                                              get_oper_name(data->client), data->chptr->chname, data->target->name);
-               }
-               else
-               {
-                       /* Like cmode +M, let's report any attempt
-                        * to kick the immune oper.
-                        */
-                       update_session_deadline(data->target, NULL);
-                       sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, "%s attempted to kick %s from %s (who is +p)",
-                               data->client->name, data->target->name, data->chptr->chname);
-                       sendto_one_numeric(data->client, ERR_ISCHANSERVICE, "%s %s :Cannot kick immune IRC operators.",
-                               data->target->name, data->chptr->chname);
-                       data->approved = 0;
-               }
-               return;
-       }
-
        alevel = get_channel_access(data->client, data->chptr, data->msptr, data->dir, NULL);
        if (alevel != CHFL_OVERRIDE)
                return;
 
        if (data->client->umodes & user_modes['p'])
        {
-               update_session_deadline(data->client, NULL);
+               update_session_deadline(data->client);
                sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, "%s is using oper-override on %s (KICK %s)",
                                       get_oper_name(data->client), data->chptr->chname, data->target->name);
        }
@@ -258,13 +231,30 @@ hack_can_send(void *vdata)
 
                if (MyClient(data->client))
                {
-                       update_session_deadline(data->client, NULL);
+                       update_session_deadline(data->client);
                        sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, "%s is using oper-override on %s (forcing message)",
                                               get_oper_name(data->client), data->chptr->chname);
                }
        }
 }
 
+static void
+hack_can_invite(void *vdata)
+{
+       hook_data_channel_approval *data = vdata;
+
+       if (data->approved == 0)
+               return;
+
+       if (data->client->umodes & user_modes['p'])
+       {
+               data->approved = 0;
+               update_session_deadline(data->client);
+               sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, "%s is using oper-override on %s (invite: %s)",
+                                      get_oper_name(data->client), data->chptr->chname, data->target->name);
+       }
+}
+
 static void
 handle_client_exit(void *vdata)
 {
@@ -299,7 +289,7 @@ _modinit(void)
        {
                struct Client *client_p = ptr->data;
                if (IsPerson(client_p) && (client_p->umodes & user_modes['p']))
-                       update_session_deadline(client_p, NULL);
+                       update_session_deadline(client_p);
        }
 
        expire_override_deadlines_ev = rb_event_add("expire_override_deadlines", expire_override_deadlines, NULL, 60);