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Fix reception of ENABLE_PUSH ignored; strict check for SETTINGS value

This commit is contained in:
Tatsuhiro Tsujikawa 2014-02-06 21:38:16 +09:00
parent 112b49cb9a
commit f2c654f898
4 changed files with 37 additions and 17 deletions
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10
lib/nghttp2_frame.c
View File

@ -622,13 +622,19 @@ int nghttp2_iv_check(const nghttp2_settings_entry *iv, size_t niv)
size_t i;
for(i = 0; i < niv; ++i) {
switch(iv[i].settings_id) {
case NGHTTP2_SETTINGS_HEADER_TABLE_SIZE:
case NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS:
break;
case NGHTTP2_SETTINGS_ENABLE_PUSH:
if(iv[i].value != 0 && iv[i].value != 1) {
return 0;
}
break;
case NGHTTP2_SETTINGS_INITIAL_WINDOW_SIZE:
if(iv[i].value > (uint32_t)NGHTTP2_MAX_WINDOW_SIZE) {
return 0;
}
break;
default:
break;
}
}
return 1;

30
lib/nghttp2_session.c
View File

@ -2720,23 +2720,27 @@ int nghttp2_session_on_settings_received(nghttp2_session *session,
}
}
break;
case NGHTTP2_SETTINGS_ENABLE_PUSH:
if(entry->value != 0 && entry->value != 1) {
return nghttp2_session_handle_invalid_connection
(session, frame, NGHTTP2_PROTOCOL_ERROR);
}
break;
case NGHTTP2_SETTINGS_INITIAL_WINDOW_SIZE:
/* Update the initial window size of the all active streams */
/* Check that initial_window_size < (1u << 31) */
if(entry->value <= NGHTTP2_MAX_WINDOW_SIZE) {
rv = nghttp2_session_update_remote_initial_window_size
(session, entry->value);
if(rv != 0) {
if(nghttp2_is_fatal(rv)) {
return rv;
} else {
return nghttp2_session_handle_invalid_connection
(session, frame, NGHTTP2_FLOW_CONTROL_ERROR);
}
}
} else {
if(entry->value > NGHTTP2_MAX_WINDOW_SIZE) {
return nghttp2_session_handle_invalid_connection
(session, frame, NGHTTP2_PROTOCOL_ERROR);
(session, frame, NGHTTP2_FLOW_CONTROL_ERROR);
}
rv = nghttp2_session_update_remote_initial_window_size
(session, entry->value);
if(nghttp2_is_fatal(rv)) {
return rv;
}
if(rv != 0) {
return nghttp2_session_handle_invalid_connection
(session, frame, NGHTTP2_FLOW_CONTROL_ERROR);
}
break;
}

9
tests/nghttp2_frame_test.c
View File

@ -409,4 +409,13 @@ void test_nghttp2_iv_check(void)
/* Too large window size */
iv[1].value = (uint32_t)NGHTTP2_MAX_WINDOW_SIZE + 1;
CU_ASSERT(0 == nghttp2_iv_check(iv, 2));
/* ENABLE_PUSH only allows 0 or 1 */
iv[1].settings_id = NGHTTP2_SETTINGS_ENABLE_PUSH;
iv[1].value = 0;
CU_ASSERT(nghttp2_iv_check(iv, 2));
iv[1].value = 1;
CU_ASSERT(nghttp2_iv_check(iv, 2));
iv[1].value = 3;
CU_ASSERT(!nghttp2_iv_check(iv, 2));
}

5
tests/nghttp2_session_test.c
View File

@ -1314,8 +1314,7 @@ void test_nghttp2_session_on_settings_received(void)
iv[3].settings_id = NGHTTP2_SETTINGS_HEADER_TABLE_SIZE;
iv[3].value = 1024;
/* Unknown settings ID */
iv[4].settings_id = 999;
iv[4].settings_id = NGHTTP2_SETTINGS_ENABLE_PUSH;
iv[4].value = 0;
memset(&callbacks, 0, sizeof(nghttp2_session_callbacks));
@ -1343,6 +1342,8 @@ void test_nghttp2_session_on_settings_received(void)
session->remote_settings[NGHTTP2_SETTINGS_INITIAL_WINDOW_SIZE]);
CU_ASSERT(1024 ==
session->remote_settings[NGHTTP2_SETTINGS_HEADER_TABLE_SIZE]);
CU_ASSERT(0 ==
session->remote_settings[NGHTTP2_SETTINGS_ENABLE_PUSH]);
CU_ASSERT(64*1024 == stream1->remote_window_size);
CU_ASSERT(0 == stream2->remote_window_size);