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This commit is contained in:
Adam Dunkels 2016-11-02 21:53:31 +01:00
parent ae4801bba6
commit c484ee4998
2 changed files with 20 additions and 2 deletions
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9
core/net/ipv6/websocket.c
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@ -603,7 +603,10 @@ static int
send_data(struct websocket *s, const void *data,
uint16_t datalen, uint8_t data_type_opcode)
{
uint8_t buf[WEBSOCKET_MAX_MSGLEN + 4 + 4];
uint8_t buf[WEBSOCKET_MAX_MSGLEN + 4 + 4]; /* The extra + 4 + 4 here
comes from the size of
the websocket framing
header. */
struct websocket_frame_hdr *hdr;
struct websocket_frame_mask *mask;
@ -616,6 +619,8 @@ send_data(struct websocket *s, const void *data,
return -1;
}
/* We need to have 4 + 4 additional bytes for the websocket framing
header. */
if(4 + 4 + datalen > websocket_http_client_sendbuflen(&s->s)) {
PRINTF("websocket: too few bytes left (%d left, %d needed)\n",
websocket_http_client_sendbuflen(&s->s),
@ -689,6 +694,8 @@ websocket_ping(struct websocket *s)
struct websocket_frame_hdr *hdr;
struct websocket_frame_mask *mask;
/* We need 2 + 4 additional bytes for the websocket framing
header. */
if(2 + 4 > websocket_http_client_sendbuflen(&s->s)) {
return -1;
}