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Diffstat (limited to 'kike.c')
-rw-r--r--kike.c77
1 files changed, 74 insertions, 3 deletions
diff --git a/kike.c b/kike.c
index 2ad92a0..538d0d3 100644
--- a/kike.c
+++ b/kike.c
@@ -327,6 +327,8 @@ struct client
unsigned mode; ///< User's mode
char *away_message; ///< Away message
time_t last_active; ///< Last PRIVMSG, to get idle time
+ // XXX: maybe this should rather be a str_map
+ struct str_vector invites; ///< Channel invitations
struct flood_detector antiflood; ///< Flood detector
};
@@ -340,6 +342,7 @@ client_init (struct client *self)
str_init (&self->write_buffer);
// TODO: make this configurable and more fine-grained
flood_detector_init (&self->antiflood, 10, 20);
+ str_vector_init (&self->invites);
}
static void
@@ -361,6 +364,7 @@ client_free (struct client *self)
free (self->address);
free (self->away_message);
flood_detector_free (&self->antiflood);
+ str_vector_free (&self->invites);
}
static void client_close_link (struct client *, const char *);
@@ -2296,6 +2300,67 @@ irc_handle_kick (const struct irc_message *msg, struct client *c)
str_vector_free (&users);
}
+static bool
+irc_is_invited (struct client *c, const char *channel_name)
+{
+ for (size_t i = 0; i < c->invites.len; i++)
+ if (!irc_strcmp (c->invites.vector[i], channel_name))
+ return true;
+ return false;
+}
+
+static void
+irc_handle_invite (const struct irc_message *msg, struct client *c)
+{
+ if (msg->params.len < 2)
+ RETURN_WITH_REPLY (c, IRC_ERR_NEEDMOREPARAMS, msg->command);
+
+ const char *target = msg->params.vector[0];
+ const char *channel_name = msg->params.vector[1];
+
+ struct client *client = str_map_find (&c->ctx->users, target);
+ if (!client)
+ RETURN_WITH_REPLY (c, IRC_ERR_NOSUCHNICK, target);
+
+ struct channel *chan = str_map_find (&c->ctx->channels, channel_name);
+ if (chan)
+ {
+ struct channel_user *inviting_user;
+ if (!(inviting_user = channel_get_user (chan, c)))
+ RETURN_WITH_REPLY (c, IRC_ERR_NOTONCHANNEL, channel_name);
+ if (channel_get_user (chan, client))
+ RETURN_WITH_REPLY (c, IRC_ERR_USERONCHANNEL, target, channel_name);
+
+ if ((chan->modes & IRC_CHAN_MODE_INVITE_ONLY))
+ {
+ if (!(inviting_user->modes & IRC_CHAN_MODE_OPERATOR))
+ RETURN_WITH_REPLY (c, IRC_ERR_CHANOPRIVSNEEDED, channel_name);
+
+ // Only storing the invite if it makes sense
+ if (!irc_is_invited (client, channel_name))
+ str_vector_add (&client->invites, channel_name);
+ }
+ }
+
+ client_send (client, ":%s!%s@%s INVITE %s %s",
+ c->nickname, c->username, c->hostname, client->nickname, channel_name);
+ if (client->away_message)
+ irc_send_reply (c, IRC_RPL_AWAY,
+ client->nickname, client->away_message);
+ irc_send_reply (c, IRC_RPL_INVITING, client->nickname, channel_name);
+}
+
+static void
+irc_remove_invite (struct client *c, const char *channel_name)
+{
+ for (size_t i = 0; i < c->invites.len; i++)
+ if (!irc_strcmp (c->invites.vector[i], channel_name))
+ {
+ str_vector_remove (&c->invites, i);
+ return;
+ }
+}
+
static void
irc_try_join (struct client *c, const char *channel_name, const char *key)
{
@@ -2311,9 +2376,10 @@ irc_try_join (struct client *c, const char *channel_name, const char *key)
else if (channel_get_user (chan, c))
return;
+ bool invited = irc_is_invited (c, channel_name);
if ((chan->modes & IRC_CHAN_MODE_INVITE_ONLY)
- && !client_in_mask_list (c, &chan->invite_list))
- // TODO: exceptions caused by INVITE
+ && !client_in_mask_list (c, &chan->invite_list)
+ && !invited)
RETURN_WITH_REPLY (c, IRC_ERR_INVITEONLYCHAN, channel_name);
if (chan->key && (!key || strcmp (key, chan->key)))
RETURN_WITH_REPLY (c, IRC_ERR_BADCHANNELKEY, channel_name);
@@ -2321,9 +2387,13 @@ irc_try_join (struct client *c, const char *channel_name, const char *key)
&& channel_user_count (chan) >= (size_t) chan->user_limit)
RETURN_WITH_REPLY (c, IRC_ERR_CHANNELISFULL, channel_name);
if (client_in_mask_list (c, &chan->ban_list)
- && !client_in_mask_list (c, &chan->exception_list))
+ && !client_in_mask_list (c, &chan->exception_list)
+ && !invited)
RETURN_WITH_REPLY (c, IRC_ERR_BANNEDFROMCHAN, channel_name);
+ // Destroy any invitation as there's no other way to get rid of it
+ irc_remove_invite (c, channel_name);
+
channel_add_user (chan, c)->modes = user_mode;
char *message = xstrdup_printf (":%s!%s@%s JOIN %s",
@@ -2494,6 +2564,7 @@ irc_register_handlers (struct server_context *ctx)
{ "JOIN", true, irc_handle_join },
{ "PART", true, irc_handle_part },
{ "KICK", true, irc_handle_kick },
+ { "INVITE", true, irc_handle_invite },
{ "TOPIC", true, irc_handle_topic },
{ "LIST", true, irc_handle_list },
{ "NAMES", true, irc_handle_names },