Improve handling of key environment variables (as they do not work on Windows systems) #251

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1. geographika commented on Aug 10, 2021

   

   geographika

   on Aug 10, 2021

   Member

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   @jmckenna - where wre you able to pass the file path in CURL_CA_BUNDLE to cURL?
   In MapServer we have the following line at https://github.com/MapServer/MapServer/blob/c862b04cf690091995df40139a6be77a2ff72bce/maphttp.c#L579

         unchecked_curl_easy_setopt(http_handle, CURLOPT_CAINFO, pszCurlCABundle );
   

   The XML approach sounds good. Alternatively the CPLGetConfigOption approach used in MapServer could be used.
2. dafvid commented on Nov 22, 2024

   

   dafvid

   on Nov 22, 2024

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   Old but still open issue. I can confirm this works fine. For the first request! Are there something somewhere inside mapcache that clears the environment between requests? It seems like it.

   System
   Windows server 2022
   IIS 10 + mapcache fast cgi

   Steps to reproduce:

   1. Set CURL_CA_BUNDLE
   2. Make first request
   3. Witness one single tile being fetched from a HTTPS-only WMS
   4. Make a second request
   5. Recieve a SSL certificate problem: unable to get local issuer certificate
   6. Restart/kill the fastcgi server
   7. Goto 2

   If i set the fast cgi to reload after just one request everything works but obviously VERY slow. So my best guess is that the environment get reset between request and the part that sets environment variables only does so on startup.

   I can create a new issue from this if that is more apropriate but it's related to this fix.