static int
http_rxchunk(struct http *hp)
{
char *q;
int l, i;
l = hp->prxbuf;
do
(void)http_rxchar(hp, 1, 0);
while (hp->rxbuf[hp->prxbuf - 1] != '\n');
vtc_dump(hp->vl, 4, "len", hp->rxbuf + l, -1);
i = strtoul(hp->rxbuf + l, &q, 16);
bprintf(hp->chunklen, "%d", i);
if ((q == hp->rxbuf + l) ||
(*q != '\0' && !vct_islws(*q))) {
vtc_log(hp->vl, hp->fatal, "chunked fail %02x @ %td",
*q, q - (hp->rxbuf + l));
}
assert(q != hp->rxbuf + l);
assert(*q == '\0' || vct_islws(*q));
hp->prxbuf = l;
if (i > 0) {
(void)http_rxchar(hp, i, 0);
vtc_dump(hp->vl, 4, "chunk",
hp->rxbuf + l, i);
}
l = hp->prxbuf;
(void)http_rxchar(hp, 2, 0);
if(!vct_iscrlf(hp->rxbuf + l))
vtc_log(hp->vl, hp->fatal,
"Wrong chunk tail[0] = %02x",
hp->rxbuf[l] & 0xff);
if(!vct_iscrlf(hp->rxbuf + l + 1))
vtc_log(hp->vl, hp->fatal,
"Wrong chunk tail[1] = %02x",
hp->rxbuf[l + 1] & 0xff);
hp->prxbuf = l;
hp->rxbuf[l] = '\0';
return (i);
}
static void
http_swallow_body(struct http *hp, char * const *hh, int body)
{
char *p;
int i, l, ll;
ll = 0;
p = http_find_header(hh, "content-length");
if (p != NULL) {
hp->body = hp->rxbuf + hp->prxbuf;
l = strtoul(p, NULL, 0);
(void)http_rxchar(hp, l, 0);
vtc_dump(hp->vl, 4, "body", hp->body, l);
hp->bodyl = l;
sprintf(hp->bodylen, "%d", l);
return;
}
p = http_find_header(hh, "transfer-encoding");
if (p != NULL && !strcmp(p, "chunked")) {
while (http_rxchunk(hp) != 0)
continue;
vtc_dump(hp->vl, 4, "body", hp->body, ll);
ll = hp->rxbuf + hp->prxbuf - hp->body;
hp->bodyl = ll;
sprintf(hp->bodylen, "%d", ll);
return;
}
if (body) {
hp->body = hp->rxbuf + hp->prxbuf;
do {
i = http_rxchar(hp, 1, 1);
ll += i;
} while (i > 0);
vtc_dump(hp->vl, 4, "rxeof", hp->body, ll);
}
hp->bodyl = ll;
sprintf(hp->bodylen, "%d", ll);
}