Fossil

    "COMSPEC", "DOCUMENT_ROOT", "GATEWAY_INTERFACE", "SCGI",
    "HTTP_ACCEPT", "HTTP_ACCEPT_CHARSET", "HTTP_ACCEPT_ENCODING",
    "HTTP_ACCEPT_LANGUAGE", "HTTP_AUTHENICATION",
    "HTTP_CONNECTION", "HTTP_HOST",
    "HTTP_IF_NONE_MATCH", "HTTP_IF_MODIFIED_SINCE",
    "HTTP_USER_AGENT", "HTTP_REFERER", "PATH_INFO", "PATH_TRANSLATED",
    "QUERY_STRING", "REMOTE_ADDR", "REMOTE_PORT",
    "REMOTE_USER", "REQUEST_METHOD", "REQUEST_SCHEMA",
    "REQUEST_URI", "SCRIPT_FILENAME", "SCRIPT_NAME", "SERVER_NAME",
    "SERVER_PROTOCOL", "HOME", "FOSSIL_HOME", "USERNAME", "USER",
    "FOSSIL_USER", "SQLITE_TMPDIR", "TMPDIR",
    "TEMP", "TMP", "FOSSIL_VFS",
    "FOSSIL_FORCE_TICKET_MODERATION", "FOSSIL_FORCE_WIKI_MODERATION",
    "FOSSIL_TCL_PATH", "TH1_DELETE_INTERP", "TH1_ENABLE_DOCS",
    "TH1_ENABLE_HOOKS", "TH1_ENABLE_TCL", "REMOTE_HOST",
  };
  int i;
  for(i=0; i<count(azCgiVars); i++) (void)P(azCgiVars[i]);

** environment variables.  A call to cgi_init() completes
** the setup.  Once all the setup is finished, this procedure returns
** and subsequent code handles the actual generation of the webpage.
*/
void cgi_handle_http_request(const char *zIpAddr){
  char *z, *zToken;
  int i;
  const char *zSchema = "http";
  char zLine[2000];     /* A single line of input. */
  g.fullHttpReply = 1;
  if( fgets(zLine, sizeof(zLine),g.httpIn)==0 ){
    malformed_request("missing HTTP header");
  }
  blob_append(&g.httpHeader, zLine, -1);
  cgi_trace(zLine);

      cgi_setenv("CONTENT_LENGTH", zVal);
    }else if( fossil_strcmp(zFieldName,"content-type:")==0 ){
      cgi_setenv("CONTENT_TYPE", zVal);
    }else if( fossil_strcmp(zFieldName,"cookie:")==0 ){
      cgi_setenv("HTTP_COOKIE", zVal);
    }else if( fossil_strcmp(zFieldName,"https:")==0 ){
      cgi_setenv("HTTPS", zVal);
      zSchema = "https";
    }else if( fossil_strcmp(zFieldName,"host:")==0 ){
      cgi_setenv("HTTP_HOST", zVal);
      cgi_setenv("SERVER_NAME", zVal);
    }else if( fossil_strcmp(zFieldName,"if-none-match:")==0 ){
      cgi_setenv("HTTP_IF_NONE_MATCH", zVal);
    }else if( fossil_strcmp(zFieldName,"if-modified-since:")==0 ){
      cgi_setenv("HTTP_IF_MODIFIED_SINCE", zVal);
    }else if( fossil_strcmp(zFieldName,"referer:")==0 ){
      cgi_setenv("HTTP_REFERER", zVal);
    }else if( fossil_strcmp(zFieldName,"user-agent:")==0 ){

      int x2 = 0;
      if( sscanf(zVal,"bytes=%d-%d",&x1,&x2)==2 && x1>=0 && x1<=x2 ){
        rangeStart = x1;
        rangeEnd = x2+1;
      }
    }
  }
  cgi_setenv("REQUEST_SCHEMA",zSchema);
  cgi_init();
  cgi_trace(0);
}

/*
** This routine handles a single HTTP request from an SSH client which is
** coming in on g.httpIn and which replies on g.httpOut