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upnphttp: limit receive headers size to 1 MB

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Catalin Patulea 2014-03-02 21:51:07 -05:00 committed by Justin Maggard
parent 92b6061929
commit 4a507cc84c
1 changed files with 9 additions and 1 deletions
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10
upnphttp.c
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@ -1049,10 +1049,18 @@ Process_upnphttp(struct upnphttp * h)
} }
else else
{ {
size_t new_req_buflen;
const char * endheaders; const char * endheaders;
/* if 1st arg of realloc() is null, /* if 1st arg of realloc() is null,
* realloc behaves the same as malloc() */ * realloc behaves the same as malloc() */
h->req_buf = (char *)realloc(h->req_buf, n + h->req_buflen + 1); new_req_buflen = n + h->req_buflen + 1;
if (new_req_buflen >= 1024 * 1024)
{
DPRINTF(E_ERROR, L_HTTP, "Receive headers too large (received %d bytes)\n", new_req_buflen);
h->state = 100;
break;
}
h->req_buf = (char *)realloc(h->req_buf, new_req_buflen);
if (!h->req_buf) if (!h->req_buf)
{ {
DPRINTF(E_ERROR, L_HTTP, "Receive headers: %s\n", strerror(errno)); DPRINTF(E_ERROR, L_HTTP, "Receive headers: %s\n", strerror(errno));