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Websocket: reject oversized pings. Version is now 0.9.3

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This commit is contained in:
Bram Matthys
2017-01-11 13:34:18 +01:00
parent 08667134ba
commit 7ade64385d
1 changed files with 13 additions and 6 deletions
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src/modules/websocket.c
+13 -6
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@@ -8,7 +8,7 @@
#include "unrealircd.h"
#include <limits.h>
#define WEBSOCKET_VERSION "0.9.2"
#define WEBSOCKET_VERSION "0.9.3"
ModuleHeader MOD_HEADER(websocket)
= {
@@ -533,11 +533,13 @@ int websocket_handle_packet(aClient *sptr, char *readbuf, int length)
return -1;
case WSOP_PING:
websocket_handle_packet_ping(sptr, payload, len);
if (websocket_handle_packet_ping(sptr, payload, len) < 0)
return -1;
return total_packet_size;
case WSOP_PONG:
websocket_handle_packet_pong(sptr, payload, len);
if (websocket_handle_packet_pong(sptr, payload, len) < 0)
return -1;
return total_packet_size;
default:
@@ -550,15 +552,20 @@ int websocket_handle_packet(aClient *sptr, char *readbuf, int length)
int websocket_handle_packet_ping(aClient *sptr, char *buf, int len)
{
/* This is UNTESTED */
if (len > 500)
{
dead_link(sptr, "WebSocket: oversized PING request");
return -1;
}
websocket_send_frame(sptr, WSOP_PONG, buf, len);
return -1;
sptr->local->since++; /* lag penalty of 1 second */
return 0;
}
int websocket_handle_packet_pong(aClient *sptr, char *buf, int len)
{
/* We don't care */
return -1;
return 0;
}
/** Create a frame. Used for OUTGOING data. */