void on_nick_change(struct hub_info* hub, struct hub_user* u, const char* nick)
{
if (user_is_logged_in(u))
{
plugin_log_user_nick_change(hub, u, nick);
}
}
void hub_send_support(struct hub_info* hub, struct hub_user* u)
{
if (user_is_connecting(u) || user_is_logged_in(u))
{
route_to_user(hub, u, hub->command_support);
}
}
void hub_disconnect_user(struct hub_info* hub, struct hub_user* user, int reason)
{
struct event_data post;
int need_notify = 0;
/* is user already being disconnected ? */
if (user_is_disconnecting(user))
{
return;
}
/* stop reading from user */
net_shutdown_r(net_con_get_sd(user->connection));
net_con_close(user->connection);
user->connection = 0;
LOG_TRACE("hub_disconnect_user(), user=%p, reason=%d, state=%d", user, reason, user->state);
need_notify = user_is_logged_in(user) && hub->status == hub_status_running;
user->quit_reason = reason;
user_set_state(user, state_cleanup);
if (need_notify)
{
memset(&post, 0, sizeof(post));
post.id = UHUB_EVENT_USER_QUIT;
post.ptr = user;
event_queue_post(hub->queue, &post);
}
else
{
hub_schedule_destroy_user(hub, user);
}
}
int uman_send_user_list(struct hub_info* hub, struct hub_user* target)
{
int ret = 1;
struct hub_user* user;
user_flag_set(target, flag_user_list);
user = (struct hub_user*) list_get_first(hub->users->list); /* iterate users - only on INF or PAS msg */
while (user)
{
if (user_is_logged_in(user))
{
ret = route_to_user(hub, target, user->info);
if (!ret)
break;
}
user = (struct hub_user*) list_get_next(hub->users->list);
}
#if 0
FIXME: FIXME FIXME handle send queue excess
if (!target->send_queue_size)
{
user_flag_unset(target, flag_user_list);
}
#endif
return ret;
}
/* Notify plugins, etc */
void on_login_success(struct hub_info* hub, struct hub_user* u)
{
/* Send user list of all existing users */
if (!uman_send_user_list(hub, hub->users, u))
return;
/* Mark as being in the normal state, and add user to the user list */
user_set_state(u, state_normal);
uman_add(hub->users, u);
/* Announce new user to all connected users */
if (user_is_logged_in(u))
route_info_message(hub, u);
plugin_log_user_login_success(hub, u);
/* reset timeout */
net_con_clear_timeout(u->connection);
}
/* Notify plugins, etc */
void on_login_success(struct hub_info* hub, struct hub_user* u)
{
/* Send user list of all existing users */
if (!uman_send_user_list(hub, hub->users, u))
return;
/* Mark as being in the normal state, and add user to the user list */
user_set_state(u, state_normal);
uman_add(hub->users, u);
// Make operators receive hub notifications by default.
if (user_is_protected(u))
user_flag_set(u, flag_opnotify);
/* Announce new user to all connected users */
if (user_is_logged_in(u))
route_info_message(hub, u);
plugin_log_user_login_success(hub, u);
/* reset timeout */
net_con_clear_timeout(u->connection);
}
static int check_limits(struct hub_info* hub, struct hub_user* user, struct adc_message* cmd)
{
char* arg = adc_msg_get_named_argument(cmd, ADC_INF_FLAG_SHARED_SIZE);
if (arg)
{
int64_t shared_size = atoll(arg);
if (shared_size < 0)
shared_size = 0;
if (user_is_logged_in(user))
{
hub->users->shared_size -= user->limits.shared_size;
hub->users->shared_size += shared_size;
}
user->limits.shared_size = shared_size;
hub_free(arg);
arg = 0;
}
arg = adc_msg_get_named_argument(cmd, ADC_INF_FLAG_SHARED_FILES);
if (arg)
{
int shared_files = atoi(arg);
if (shared_files < 0)
shared_files = 0;
if (user_is_logged_in(user))
{
hub->users->shared_files -= user->limits.shared_files;
hub->users->shared_files += shared_files;
}
user->limits.shared_files = shared_files;
hub_free(arg);
arg = 0;
}
arg = adc_msg_get_named_argument(cmd, ADC_INF_FLAG_COUNT_HUB_NORMAL);
if (arg)
{
int num = atoi(arg);
if (num < 0) num = 0;
user->limits.hub_count_user = num;
hub_free(arg);
arg = 0;
}
arg = adc_msg_get_named_argument(cmd, ADC_INF_FLAG_COUNT_HUB_REGISTER);
if (arg)
{
int num = atoi(arg);
if (num < 0) num = 0;
user->limits.hub_count_registered = num;
hub_free(arg);
arg = 0;
}
arg = adc_msg_get_named_argument(cmd, ADC_INF_FLAG_COUNT_HUB_OPERATOR);
if (arg)
{
int num = atoi(arg);
if (num < 0) num = 0;
user->limits.hub_count_operator = num;
hub_free(arg);
arg = 0;
}
arg = adc_msg_get_named_argument(cmd, ADC_INF_FLAG_UPLOAD_SLOTS);
if (arg)
{
int num = atoi(arg);
if (num < 0) num = 0;
user->limits.upload_slots = num;
hub_free(arg);
arg = 0;
}
/* summarize total slots */
user->limits.hub_count_total = user->limits.hub_count_user + user->limits.hub_count_registered + user->limits.hub_count_operator;
if (!user_is_protected(user))
{
if (user->limits.shared_size < hub_get_min_share(hub) && hub_get_min_share(hub))
{
return status_msg_user_share_size_low;
}
if (user->limits.shared_size > hub_get_max_share(hub) && hub_get_max_share(hub))
{
return status_msg_user_share_size_high;
}
if ((user->limits.hub_count_user > hub_get_max_hubs_user(hub) && hub_get_max_hubs_user(hub)) ||
(user->limits.hub_count_registered > hub_get_max_hubs_reg(hub) && hub_get_max_hubs_reg(hub)) ||
(user->limits.hub_count_operator > hub_get_max_hubs_op(hub) && hub_get_max_hubs_op(hub)) ||
(user->limits.hub_count_total > hub_get_max_hubs_total(hub) && hub_get_max_hubs_total(hub)))
{
return status_msg_user_hub_limit_high;
}
if ((user->limits.hub_count_user < hub_get_min_hubs_user(hub) && hub_get_min_hubs_user(hub)) ||
(user->limits.hub_count_registered < hub_get_min_hubs_reg(hub) && hub_get_min_hubs_reg(hub)) ||
(user->limits.hub_count_operator < hub_get_min_hubs_op(hub) && hub_get_min_hubs_op(hub)))
{
return status_msg_user_hub_limit_low;
}
if (user->limits.upload_slots < hub_get_min_slots(hub) && hub_get_min_slots(hub))
{
return status_msg_user_slots_low;
}
if (user->limits.upload_slots > hub_get_max_slots(hub) && hub_get_max_slots(hub))
{
return status_msg_user_slots_high;
}
}
return 0;
}
int hub_handle_message(struct hub_info* hub, struct hub_user* u, const char* line, size_t length)
{
int ret = 0;
struct adc_message* cmd = 0;
LOG_PROTO("recv %s: %s", sid_to_string(u->id.sid), line);
if (user_is_disconnecting(u))
return -1;
cmd = adc_msg_parse_verify(u, line, length);
if (cmd)
{
switch (cmd->cmd)
{
case ADC_CMD_HSUP:
CHECK_FLOOD(extras, 0);
ret = hub_handle_support(hub, u, cmd);
break;
case ADC_CMD_HPAS:
CHECK_FLOOD(extras, 0);
ret = hub_handle_password(hub, u, cmd);
break;
case ADC_CMD_BINF:
CHECK_FLOOD(update, 1);
ret = hub_handle_info(hub, u, cmd);
break;
case ADC_CMD_DINF:
case ADC_CMD_EINF:
case ADC_CMD_FINF:
case ADC_CMD_BQUI:
case ADC_CMD_DQUI:
case ADC_CMD_EQUI:
case ADC_CMD_FQUI:
/* these must never be allowed for security reasons, so we ignore them. */
CHECK_FLOOD(extras, 1);
break;
case ADC_CMD_EMSG:
case ADC_CMD_DMSG:
case ADC_CMD_BMSG:
case ADC_CMD_FMSG:
CHECK_FLOOD(chat, 1);
ret = hub_handle_chat_message(hub, u, cmd);
break;
case ADC_CMD_BSCH:
case ADC_CMD_DSCH:
case ADC_CMD_ESCH:
case ADC_CMD_FSCH:
cmd->priority = -1;
if (plugin_handle_search(hub, u, cmd->cache) == st_deny)
break;
CHECK_FLOOD(search, 1);
ROUTE_MSG;
case ADC_CMD_FRES: // spam
case ADC_CMD_BRES: // spam
case ADC_CMD_ERES: // pointless.
CHECK_FLOOD(extras, 1);
break;
case ADC_CMD_DRES:
cmd->priority = -1;
if (plugin_handle_search_result(hub, u, uman_get_user_by_sid(hub->users, cmd->target), cmd->cache) == st_deny)
break;
/* CHECK_FLOOD(search, 0); */
ROUTE_MSG;
case ADC_CMD_DRCM:
cmd->priority = -1;
if (plugin_handle_revconnect(hub, u, uman_get_user_by_sid(hub->users, cmd->target)) == st_deny)
break;
CHECK_FLOOD(connect, 1);
ROUTE_MSG;
case ADC_CMD_DCTM:
cmd->priority = -1;
if (plugin_handle_connect(hub, u, uman_get_user_by_sid(hub->users, cmd->target)) == st_deny)
break;
CHECK_FLOOD(connect, 1);
ROUTE_MSG;
case ADC_CMD_BCMD:
case ADC_CMD_DCMD:
case ADC_CMD_ECMD:
case ADC_CMD_FCMD:
case ADC_CMD_HCMD:
CHECK_FLOOD(extras, 1);
break;
default:
CHECK_FLOOD(extras, 1);
ROUTE_MSG;
}
adc_msg_free(cmd);
}
else
{
if (!user_is_logged_in(u))
{
ret = -1;
}
}
return ret;
}
void hub_send_hubinfo(struct hub_info* hub, struct hub_user* u)
{
struct adc_message* info = adc_msg_copy(hub->command_info);
int value = 0;
uint64_t size = 0;
if (user_flag_get(u, feature_ping))
{
/*
FIXME: These are missing:
HH - Hub Host address ( DNS or IP )
WS - Hub Website
NE - Hub Network
OW - Hub Owner name
*/
adc_msg_add_named_argument(info, "UC", uhub_itoa(hub_get_user_count(hub)));
adc_msg_add_named_argument(info, "MC", uhub_itoa(hub_get_max_user_count(hub)));
adc_msg_add_named_argument(info, "SS", uhub_ulltoa(hub_get_shared_size(hub)));
adc_msg_add_named_argument(info, "SF", uhub_ulltoa(hub_get_shared_files(hub)));
/* Maximum/minimum share size */
size = hub_get_max_share(hub);
if (size) adc_msg_add_named_argument(info, "XS", uhub_ulltoa(size));
size = hub_get_min_share(hub);
if (size) adc_msg_add_named_argument(info, "MS", uhub_ulltoa(size));
/* Maximum/minimum upload slots allowed per user */
value = hub_get_max_slots(hub);
if (value) adc_msg_add_named_argument(info, "XL", uhub_itoa(value));
value = hub_get_min_slots(hub);
if (value) adc_msg_add_named_argument(info, "ML", uhub_itoa(value));
/* guest users must be on min/max hubs */
value = hub_get_max_hubs_user(hub);
if (value) adc_msg_add_named_argument(info, "XU", uhub_itoa(value));
value = hub_get_min_hubs_user(hub);
if (value) adc_msg_add_named_argument(info, "MU", uhub_itoa(value));
/* registered users must be on min/max hubs */
value = hub_get_max_hubs_reg(hub);
if (value) adc_msg_add_named_argument(info, "XR", uhub_itoa(value));
value = hub_get_min_hubs_reg(hub);
if (value) adc_msg_add_named_argument(info, "MR", uhub_itoa(value));
/* operators must be on min/max hubs */
value = hub_get_max_hubs_op(hub);
if (value) adc_msg_add_named_argument(info, "XO", uhub_itoa(value));
value = hub_get_min_hubs_op(hub);
if (value) adc_msg_add_named_argument(info, "MO", uhub_itoa(value));
/* uptime in seconds */
adc_msg_add_named_argument(info, "UP", uhub_itoa((int) difftime(time(0), hub->tm_started)));
}
if (user_is_connecting(u) || user_is_logged_in(u))
{
route_to_user(hub, u, info);
}
adc_msg_free(info);
/* Only send banner when connecting */
if (hub->config->show_banner && user_is_connecting(u))
{
route_to_user(hub, u, hub->command_banner);
}
}
int hub_handle_chat_message(struct hub_info* hub, struct hub_user* u, struct adc_message* cmd)
{
char* message = adc_msg_get_argument(cmd, 0);
char* message_decoded = NULL;
int ret = 0;
int relay = 1;
int broadcast;
int private_msg;
int command;
int offset;
if (!message)
return 0;
message_decoded = adc_msg_unescape(message);
if (!message_decoded)
{
hub_free(message);
return 0;
}
if (!user_is_logged_in(u))
{
hub_free(message);
return 0;
}
broadcast = (cmd->cache[0] == 'B');
private_msg = (cmd->cache[0] == 'D' || cmd->cache[0] == 'E');
command = (message[0] == '!' || message[0] == '+');
if (broadcast && command)
{
/*
* A message such as "++message" is handled as "+message", by removing the first character.
* The first character is removed by memmoving the string one byte to the left.
*/
if (message[1] == message[0])
{
relay = 1;
offset = adc_msg_get_arg_offset(cmd);
memmove(cmd->cache+offset+1, cmd->cache+offset+2, cmd->length - offset);
cmd->length--;
}
else
{
relay = command_invoke(hub->commands, u, message_decoded);
}
}
/* FIXME: Plugin should do this! */
if (relay && (((hub->config->chat_is_privileged && !user_is_protected(u)) || (user_flag_get(u, flag_muted))) && broadcast))
{
relay = 0;
}
if (relay)
{
plugin_st status = st_default;
if (broadcast)
{
status = plugin_handle_chat_message(hub, u, message_decoded, 0);
}
else if (private_msg)
{
struct hub_user* target = uman_get_user_by_sid(hub->users, cmd->target);
if (target)
status = plugin_handle_private_message(hub, u, target, message_decoded, 0);
else
relay = 0;
}
if (status == st_deny)
relay = 0;
}
if (relay)
{
/* adc_msg_remove_named_argument(cmd, "PM"); */
if (broadcast)
{
plugin_log_chat_message(hub, u, message_decoded, 0);
}
ret = route_message(hub, u, cmd);
}
hub_free(message);
hub_free(message_decoded);
return ret;
}
int hub_handle_message(struct hub_info* hub, struct hub_user* u, const char* line, size_t length)
{
int ret = 0;
struct adc_message* cmd = 0;
LOG_PROTO("recv %s: %s", sid_to_string(u->id.sid), line);
if (user_is_disconnecting(u))
return -1;
cmd = adc_msg_parse_verify(u, line, length);
if (cmd)
{
switch (cmd->cmd)
{
case ADC_CMD_HSUP:
CHECK_FLOOD(extras, 0);
ret = hub_handle_support(hub, u, cmd);
break;
case ADC_CMD_HPAS:
CHECK_FLOOD(extras, 0);
ret = hub_handle_password(hub, u, cmd);
break;
case ADC_CMD_BINF:
CHECK_FLOOD(update, 1);
ret = hub_handle_info(hub, u, cmd);
break;
case ADC_CMD_DINF:
case ADC_CMD_EINF:
case ADC_CMD_FINF:
/* these must never be allowed for security reasons, so we ignore them. */
break;
case ADC_CMD_EMSG:
case ADC_CMD_DMSG:
case ADC_CMD_BMSG:
case ADC_CMD_FMSG:
CHECK_FLOOD(chat, 1);
ret = hub_handle_chat_message(hub, u, cmd);
break;
case ADC_CMD_BSCH:
case ADC_CMD_DSCH:
case ADC_CMD_ESCH:
case ADC_CMD_FSCH:
cmd->priority = -1;
CHECK_CHAT_ONLY;
CHECK_FLOOD(search, 1);
ROUTE_MSG;
case ADC_CMD_DRES:
cmd->priority = -1;
CHECK_CHAT_ONLY;
/* CHECK_FLOOD(search, 0); */
ROUTE_MSG;
case ADC_CMD_DRCM:
case ADC_CMD_DCTM:
cmd->priority = -1;
CHECK_CHAT_ONLY;
CHECK_FLOOD(connect, 1);
ROUTE_MSG;
default:
CHECK_FLOOD(extras, 1);
ROUTE_MSG;
}
adc_msg_free(cmd);
}
else
{
if (!user_is_logged_in(u))
{
ret = -1;
}
}
return ret;
}