visual c++ - Why No Set-Cookie Header from Yahoo finance (VC++) -


i try cookie , crumb yahoo finance , use cookie/crumb download yahoo historical stock quote. every time try, cannot cookie because there no set-cookie in response header.

here code:

cinternetsession mysession ("mozilla/5.0 (windows nt 5.1)   chrome/49.0.2623.112", 1, pre_config_internet_access, null, null, 0);  dword dwhttprequestflags = internet_flag_existing_connect                         | internet_flag_no_auto_redirect                         | internet_flag_secure                         | internet_flag_ignore_cert_cn_invalid                         | internet_flag_ignore_cert_date_invalid;  cstring szheaders = _t("user-agent: mozilla/5.0 (windows nt 5.1) chrome/49.0.2623.112");   internet_port nport = internet_default_https_port; chttpconnection* pserver = null; chttpfile* pfile = null; tchar sz [1025];  cstring strservername = "finance.yahoo.com";         pserver = mysession.gethttpconnection(strservername, nport);  try {     pfile = pserver->openrequest(chttpconnection::http_verb_get, "/quote/msft?p=msft", null, 1, null, "http/1.1", dwhttprequestflags);     pfile->sendrequest(szheaders, null, 0);     while (pfile->readstring(sz, 1024))     {         //......         //........     }     cstring rawhead;     pfile->queryinfo(http_query_raw_headers_crlf, rawhead, null);  }

i didn't see set-cookie @ in raw header. what's wrong code? how cookie yahoo finance mfc? thanks.


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