void nghttp2_outbound_item_free(nghttp2_outbound_item *item)
{
if(item == NULL) {
return;
}
if(item->frame_cat == NGHTTP2_CAT_CTRL) {
nghttp2_frame *frame;
frame = nghttp2_outbound_item_get_ctrl_frame(item);
switch(frame->hd.type) {
case NGHTTP2_HEADERS:
nghttp2_frame_headers_free(&frame->headers);
if(item->aux_data) {
free(((nghttp2_headers_aux_data*)item->aux_data)->data_prd);
}
break;
case NGHTTP2_PRIORITY:
nghttp2_frame_priority_free(&frame->priority);
break;
case NGHTTP2_RST_STREAM:
nghttp2_frame_rst_stream_free(&frame->rst_stream);
break;
case NGHTTP2_SETTINGS:
nghttp2_frame_settings_free(&frame->settings);
break;
case NGHTTP2_PUSH_PROMISE:
nghttp2_frame_push_promise_free(&frame->push_promise);
break;
case NGHTTP2_PING:
nghttp2_frame_ping_free(&frame->ping);
break;
case NGHTTP2_GOAWAY:
nghttp2_frame_goaway_free(&frame->goaway);
break;
case NGHTTP2_WINDOW_UPDATE:
nghttp2_frame_window_update_free(&frame->window_update);
break;
case NGHTTP2_EXT_ALTSVC:
nghttp2_frame_altsvc_free(&frame->ext);
free(frame->ext.payload);
break;
}
} else if(item->frame_cat == NGHTTP2_CAT_DATA) {
nghttp2_private_data *data_frame;
data_frame = nghttp2_outbound_item_get_data_frame(item);
nghttp2_frame_private_data_free(data_frame);
} else {
/* Unreachable */
assert(0);
}
free(item->frame);
free(item->aux_data);
}
int nghttp2_submit_altsvc(nghttp2_session *session, uint8_t flags _U_,
int32_t stream_id, const uint8_t *origin,
size_t origin_len, const uint8_t *field_value,
size_t field_value_len) {
nghttp2_mem *mem;
uint8_t *buf, *p;
uint8_t *origin_copy;
uint8_t *field_value_copy;
nghttp2_outbound_item *item;
nghttp2_frame *frame;
nghttp2_ext_altsvc *altsvc;
int rv;
mem = &session->mem;
if (!session->server) {
return NGHTTP2_ERR_INVALID_STATE;
}
if (2 + origin_len + field_value_len > NGHTTP2_MAX_PAYLOADLEN) {
return NGHTTP2_ERR_INVALID_ARGUMENT;
}
if (stream_id == 0) {
if (origin_len == 0) {
return NGHTTP2_ERR_INVALID_ARGUMENT;
}
} else if (origin_len != 0) {
return NGHTTP2_ERR_INVALID_ARGUMENT;
}
buf = nghttp2_mem_malloc(mem, origin_len + field_value_len + 2);
if (buf == NULL) {
return NGHTTP2_ERR_NOMEM;
}
p = buf;
origin_copy = p;
if (origin_len) {
p = nghttp2_cpymem(p, origin, origin_len);
}
*p++ = '\0';
field_value_copy = p;
if (field_value_len) {
p = nghttp2_cpymem(p, field_value, field_value_len);
}
*p++ = '\0';
item = nghttp2_mem_malloc(mem, sizeof(nghttp2_outbound_item));
if (item == NULL) {
rv = NGHTTP2_ERR_NOMEM;
goto fail_item_malloc;
}
nghttp2_outbound_item_init(item);
item->aux_data.ext.builtin = 1;
altsvc = &item->ext_frame_payload.altsvc;
frame = &item->frame;
frame->ext.payload = altsvc;
nghttp2_frame_altsvc_init(&frame->ext, stream_id, origin_copy, origin_len,
field_value_copy, field_value_len);
rv = nghttp2_session_add_item(session, item);
if (rv != 0) {
nghttp2_frame_altsvc_free(&frame->ext, mem);
nghttp2_mem_free(mem, item);
return rv;
}
return 0;
fail_item_malloc:
free(buf);
return rv;
}
void test_nghttp2_frame_pack_altsvc(void)
{
nghttp2_extension frame, oframe;
nghttp2_ext_altsvc altsvc, oaltsvc;
nghttp2_bufs bufs;
nghttp2_buf *buf;
size_t protocol_id_len, host_len, origin_len;
uint8_t *protocol_id, *host, *origin;
uint8_t *data;
size_t datalen;
int rv;
size_t payloadlen;
protocol_id_len = strlen("h2");
host_len = strlen("h2.example.org");
origin_len = strlen("www.example.org");
datalen = protocol_id_len + host_len + origin_len;
data = malloc(datalen);
memcpy(data, "h2", protocol_id_len);
protocol_id = data;
memcpy(data + protocol_id_len, "h2.example.org", host_len);
host = data + protocol_id_len;
memcpy(data + protocol_id_len + host_len,
"http://www.example.org", origin_len);
origin = data + protocol_id_len + host_len;
frame_pack_bufs_init(&bufs);
frame.payload = &altsvc;
nghttp2_frame_altsvc_init(&frame, 1000000007, 1u << 31, 4000,
protocol_id, protocol_id_len,
host, host_len, origin, origin_len);
rv = nghttp2_frame_pack_altsvc(&bufs, &frame);
CU_ASSERT(0 == rv);
CU_ASSERT((ssize_t)(NGHTTP2_FRAME_HDLEN + NGHTTP2_ALTSVC_MINLEN + datalen) ==
nghttp2_bufs_len(&bufs));
oframe.payload = &oaltsvc;
CU_ASSERT(0 == unpack_framebuf((nghttp2_frame*)&oframe, &bufs));
check_frame_header(NGHTTP2_ALTSVC_MINLEN + datalen,
NGHTTP2_EXT_ALTSVC, NGHTTP2_FLAG_NONE,
1000000007, &oframe.hd);
CU_ASSERT(1u << 31 == oaltsvc.max_age);
CU_ASSERT(4000 == oaltsvc.port);
CU_ASSERT(protocol_id_len == oaltsvc.protocol_id_len);
CU_ASSERT(memcmp(protocol_id, oaltsvc.protocol_id, protocol_id_len) == 0);
CU_ASSERT(host_len == oaltsvc.host_len);
CU_ASSERT(memcmp(host, oaltsvc.host, host_len) == 0);
CU_ASSERT(origin_len == oaltsvc.origin_len);
CU_ASSERT(memcmp(origin, oaltsvc.origin, origin_len) == 0);
nghttp2_frame_altsvc_free(&oframe);
nghttp2_frame_altsvc_free(&frame);
memset(&oframe, 0, sizeof(oframe));
memset(&oaltsvc, 0, sizeof(oaltsvc));
buf = &bufs.head->buf;
CU_ASSERT(buf->pos - buf->begin == 1);
/* Check no origin case */
payloadlen = NGHTTP2_ALTSVC_MINLEN + protocol_id_len + host_len;
nghttp2_put_uint32be(buf->pos, (uint32_t)((payloadlen << 8) + buf->pos[3]));
oframe.payload = &oaltsvc;
CU_ASSERT(0 ==
nghttp2_frame_unpack_altsvc_payload
(&oframe,
buf->pos + NGHTTP2_FRAME_HDLEN,
NGHTTP2_ALTSVC_FIXED_PARTLEN,
buf->pos + NGHTTP2_FRAME_HDLEN + NGHTTP2_ALTSVC_FIXED_PARTLEN,
payloadlen - NGHTTP2_ALTSVC_FIXED_PARTLEN));
CU_ASSERT(protocol_id_len == oaltsvc.protocol_id_len);
CU_ASSERT(host_len == oaltsvc.host_len);
CU_ASSERT(0 == oaltsvc.origin_len);
memset(&oframe, 0, sizeof(oframe));
memset(&oaltsvc, 0, sizeof(oaltsvc));
/* Check insufficient payload length for host */
payloadlen = NGHTTP2_ALTSVC_MINLEN + protocol_id_len + host_len - 1;
nghttp2_put_uint32be(buf->pos, (uint32_t)((payloadlen << 8) + buf->pos[3]));
oframe.payload = &oaltsvc;
CU_ASSERT(NGHTTP2_ERR_FRAME_SIZE_ERROR ==
nghttp2_frame_unpack_altsvc_payload
(&oframe,
buf->pos + NGHTTP2_FRAME_HDLEN,
NGHTTP2_ALTSVC_FIXED_PARTLEN,
buf->pos + NGHTTP2_FRAME_HDLEN + NGHTTP2_ALTSVC_FIXED_PARTLEN,
payloadlen - NGHTTP2_ALTSVC_FIXED_PARTLEN));
memset(&oframe, 0, sizeof(oframe));
memset(&oaltsvc, 0, sizeof(oaltsvc));
/* Check no host case */
payloadlen = NGHTTP2_ALTSVC_MINLEN + protocol_id_len;
nghttp2_put_uint32be(buf->pos, (uint32_t)((payloadlen << 8) + buf->pos[3]));
buf->pos[NGHTTP2_FRAME_HDLEN + NGHTTP2_ALTSVC_FIXED_PARTLEN
+ protocol_id_len] = 0;
oframe.payload = &oaltsvc;
CU_ASSERT(0 ==
nghttp2_frame_unpack_altsvc_payload
(&oframe,
buf->pos + NGHTTP2_FRAME_HDLEN,
NGHTTP2_ALTSVC_FIXED_PARTLEN,
buf->pos + NGHTTP2_FRAME_HDLEN + NGHTTP2_ALTSVC_FIXED_PARTLEN,
payloadlen - NGHTTP2_ALTSVC_FIXED_PARTLEN));
CU_ASSERT(protocol_id_len == oaltsvc.protocol_id_len);
CU_ASSERT(0 == oaltsvc.host_len);
CU_ASSERT(0 == oaltsvc.origin_len);
memset(&oframe, 0, sizeof(oframe));
memset(&oaltsvc, 0, sizeof(oaltsvc));
/* Check missing Host-Len */
payloadlen = NGHTTP2_ALTSVC_FIXED_PARTLEN + protocol_id_len;
nghttp2_put_uint32be(buf->pos, (uint32_t)((payloadlen << 8) + buf->pos[3]));
oframe.payload = &oaltsvc;
CU_ASSERT(NGHTTP2_ERR_FRAME_SIZE_ERROR ==
nghttp2_frame_unpack_altsvc_payload
(&oframe,
buf->pos + NGHTTP2_FRAME_HDLEN,
NGHTTP2_ALTSVC_FIXED_PARTLEN,
buf->pos + NGHTTP2_FRAME_HDLEN + NGHTTP2_ALTSVC_FIXED_PARTLEN,
payloadlen - NGHTTP2_ALTSVC_FIXED_PARTLEN));
memset(&oframe, 0, sizeof(oframe));
memset(&oaltsvc, 0, sizeof(oaltsvc));
nghttp2_bufs_free(&bufs);
}
