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Merge branch 'bugfix/ws_read_fragmented_header' into 'master'

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Fix reading http header if received in multiple chunks

See merge request idf/esp-idf!4996
This commit is contained in:
Angus Gratton 2019-05-21 14:56:34 +08:00
commit 3bf56cdd17
1 changed files with 11 additions and 4 deletions
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15
components/tcp_transport/transport_ws.c
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@ -113,10 +113,17 @@ static int ws_connect(esp_transport_handle_t t, const char *host, int port, int
ESP_LOGE(TAG, "Error write Upgrade header %s", ws->buffer);
return -1;
}
if ((len = esp_transport_read(ws->parent, ws->buffer, DEFAULT_WS_BUFFER, timeout_ms)) <= 0) {
ESP_LOGE(TAG, "Error read response for Upgrade header %s", ws->buffer);
return -1;
}
int header_len = 0;
do {
if ((len = esp_transport_read(ws->parent, ws->buffer + header_len, DEFAULT_WS_BUFFER - header_len, timeout_ms)) <= 0) {
ESP_LOGE(TAG, "Error read response for Upgrade header %s", ws->buffer);
return -1;
}
header_len += len;
ws->buffer[header_len] = '\0';
ESP_LOGD(TAG, "Read header chunk %d, current header size: %d", len, header_len);
} while (NULL == strstr(ws->buffer, "\r\n\r\n") && header_len < DEFAULT_WS_BUFFER);
char *server_key = get_http_header(ws->buffer, "Sec-WebSocket-Accept:");
if (server_key == NULL) {
ESP_LOGE(TAG, "Sec-WebSocket-Accept not found");