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Ignore 0 length header partial block if it is not final

This commit is contained in:
Tatsuhiro Tsujikawa 2015-09-25 22:53:35 +09:00
parent d618cd92cc
commit 637288359e
1 changed files with 15 additions and 15 deletions
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28
lib/nghttp2_session.c
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@ -5326,6 +5326,8 @@ ssize_t nghttp2_session_mem_recv(nghttp2_session *session, const uint8_t *in,
case NGHTTP2_IB_READ_HEADER_BLOCK:
case NGHTTP2_IB_IGN_HEADER_BLOCK: {
ssize_t data_readlen;
size_t trail_padlen;
int final;
#ifdef DEBUGBUILD
if (iframe->state == NGHTTP2_IB_READ_HEADER_BLOCK) {
fprintf(stderr, "recv: [IB_READ_HEADER_BLOCK]\n");
@ -5341,21 +5343,19 @@ ssize_t nghttp2_session_mem_recv(nghttp2_session *session, const uint8_t *in,
data_readlen = inbound_frame_effective_readlen(
iframe, iframe->payloadleft - readlen, readlen);
if (data_readlen >= 0) {
size_t trail_padlen;
size_t hd_proclen = 0;
trail_padlen =
nghttp2_frame_trail_padlen(&iframe->frame, iframe->padlen);
DEBUGF(fprintf(stderr, "recv: block final=%d\n",
(iframe->frame.hd.flags & NGHTTP2_FLAG_END_HEADERS) &&
iframe->payloadleft - (size_t)data_readlen ==
trail_padlen));
trail_padlen = nghttp2_frame_trail_padlen(&iframe->frame, iframe->padlen);
rv = inflate_header_block(
session, &iframe->frame, &hd_proclen, (uint8_t *)in,
(size_t)data_readlen,
(iframe->frame.hd.flags & NGHTTP2_FLAG_END_HEADERS) &&
iframe->payloadleft - (size_t)data_readlen == trail_padlen,
final = (iframe->frame.hd.flags & NGHTTP2_FLAG_END_HEADERS) &&
iframe->payloadleft - (size_t)data_readlen == trail_padlen;
if (data_readlen > 0 || (data_readlen == 0 && final)) {
size_t hd_proclen = 0;
DEBUGF(fprintf(stderr, "recv: block final=%d\n", final));
rv =
inflate_header_block(session, &iframe->frame, &hd_proclen,
(uint8_t *)in, (size_t)data_readlen, final,
iframe->state == NGHTTP2_IB_READ_HEADER_BLOCK);
if (nghttp2_is_fatal(rv)) {