void Http2Base::PingProc(const Http2_header* header) {
if((header->flags & ACK_F) == 0) {
Http2_header *header_back = (Http2_header *)p_memdup(header, sizeof(Http2_header) + get24(header->length));
header_back->flags |= ACK_F;
PushFrame(header_back);
}
}
static char *
p_strarray_join_n(pool_t pool, const char *const *arr, unsigned int arr_len,
const char *separator)
{
size_t alloc_len, sep_len, len, pos, needed_space;
unsigned int i;
char *str;
sep_len = strlen(separator);
alloc_len = 64;
str = t_buffer_get(alloc_len);
pos = 0;
for (i = 0; i < arr_len; i++) {
len = strlen(arr[i]);
needed_space = pos + len + sep_len + 1;
if (needed_space > alloc_len) {
alloc_len = nearest_power(needed_space);
str = t_buffer_reget(str, alloc_len);
}
if (pos != 0) {
memcpy(str + pos, separator, sep_len);
pos += sep_len;
}
memcpy(str + pos, arr[i], len);
pos += len;
}
str[pos] = '\0';
if (!pool->datastack_pool)
return p_memdup(pool, str, pos + 1);
t_buffer_alloc(pos + 1);
return str;
}
void Http2Base::SettingsProc(const Http2_header* header) {
const Setting_Frame *sf = (const Setting_Frame *)(header + 1);
if((header->flags & ACK_F) == 0) {
while((char *)sf-(char *)(header+1) < get24(header->length)){
uint32_t value = get32(sf->value);
switch(get16(sf->identifier)){
case SETTINGS_HEADER_TABLE_SIZE:
LOGD(DHTTP2, "set head table size:%d\n", value);
request_table.set_dynamic_table_size_limit_max(value);
break;
case SETTINGS_INITIAL_WINDOW_SIZE:
if(value >= (uint32_t)1<<31u){
LOGE("ERROR window overflow\n");
ErrProc(ERR_FLOW_CONTROL_ERROR);
return;
}
AdjustInitalFrameWindowSize((ssize_t)value - (ssize_t)remoteframewindowsize);
remoteframewindowsize = value;
LOGD(DHTTP2, "set inital frame window size:%d\n", remoteframewindowsize);
break;
case SETTINGS_MAX_FRAME_SIZE:
if(value > 0xffffff || value < FRAMEBODYLIMIT){
LOGE("ERROR frame size overflow\n");
ErrProc(ERR_FRAME_SIZE_ERROR);
return;
}
remoteframebodylimit = value;
LOGD(DHTTP2, "set frame body size limit: %d\n", remoteframebodylimit);
break;
default:
LOG("Get a unkown setting(%d): %d\n", get16(sf->identifier), value);
break;
}
sf++;
}
Http2_header *header_back = (Http2_header *)p_memdup(header, sizeof(Http2_header));
set24(header_back->length, 0);
header_back->flags |= ACK_F;
PushFrame(header_back);
}else if(get24(header->length) != 0){
LOGE("ERROR setting ack with content\n");
ErrProc(ERR_FRAME_SIZE_ERROR);
}
}
static int
master_service_haproxy_parse_tlv(struct master_service_haproxy_conn *hpconn,
const unsigned char *buf, size_t blen,
const char **error_r)
{
for(size_t i = 0; i < blen;) {
struct haproxy_pp2_tlv kv;
struct haproxy_pp2_tlv_ssl ssl_kv;
if (get_tlv(buf + i, blen - i, &kv) < 0) {
*error_r = t_strdup_printf("get_tlv(%"PRIuSIZE_T") failed:"
"Truncated data", i);
return -1;
}
/* skip unsupported values */
switch(kv.type) {
case PP2_TYPE_ALPN:
hpconn->conn.proxy.alpn_size = kv.len;
hpconn->conn.proxy.alpn =
p_memdup(hpconn->pool, kv.data, kv.len);
break;
case PP2_TYPE_AUTHORITY:
/* store hostname somewhere */
hpconn->conn.proxy.hostname =
p_strndup(hpconn->pool, kv.data, kv.len);
break;
case PP2_TYPE_SSL:
if (get_ssl_tlv(kv.data, kv.len, &ssl_kv) < 0) {
*error_r = t_strdup_printf("get_ssl_tlv(%"PRIuSIZE_T") failed:"
"Truncated data", i);
return -1;
}
if (master_service_haproxy_parse_ssl_tlv(hpconn, &ssl_kv, error_r)<0)
return -1;
break;
}
i += SIZEOF_PP2_TLV + kv.len;
}
return 0;
}