along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id: protocol.c,v 1.28.4.35 2000/09/22 16:20:07 guus Exp $
+ $Id: protocol.c,v 1.28.4.36 2000/09/26 14:06:06 guus Exp $
*/
#include "config.h"
#include "net.h"
#include "netutl.h"
#include "protocol.h"
+#include "meta.h"
#include "system.h"
return 1;
}
-/* Generic outgoing request routine - takes care of logging and error detection as well */
+/* Generic request routines - takes care of logging and error detection as well */
int send_request(conn_list_t *cl, const char *format, int request, /*args*/ ...)
{
return send_meta(cl, buffer, length);
}
-
-int send_meta(conn_list_t *cl, const char *buffer, int length)
+int receive_request(conn_list_t *cl)
{
-cp
- if(debug_lvl >= DEBUG_META)
- syslog(LOG_DEBUG, _("Sending %d bytes of metadata to %s (%s): %s"), int length,
- cl->name, cl->hostname, buffer);
-
- if(cl->status.encryptin)
+ int request;
+cp
+ if(sscanf(cl->buffer, "%d", &request) == 1)
{
- /* FIXME: Do encryption */
+ if((request < 0) || (request > 255) || (request_handlers[request] == NULL))
+ {
+ syslog(LOG_ERR, _("Unknown request from %s (%s)"),
+ cl->name, cl->hostname);
+ return -1;
+ }
+ else
+ {
+ if(debug_lvl > DEBUG_PROTOCOL)
+ syslog(LOG_DEBUG, _("Got %s from %s (%s)"),
+ request_name[request], cl->name, cl->hostname);
+ }
+ if(request_handlers[request](cl))
+ /* Something went wrong. Probably scriptkiddies. Terminate. */
+ {
+ syslog(LOG_ERR, _("Error while processing %s from %s (%s)"),
+ request_name[request], cl->name, cl->hostname);
+ return -1;
+ }
}
-
- if(write(cl->meta_socket, buffer, length) < 0)
+ else
{
- syslog(LOG_ERR, _("Sending meta data to %s (%s) failed: %m"), cl->name, cl->hostname);
+ syslog(LOG_ERR, _("Bogus data received from %s (%s)"),
+ cl->name, cl->hostname);
return -1;
}
-cp
- return 0;
-}
-
-int broadcast_meta(conn_list_t *cl, const char *buffer, int length)
-{
- conn_list_t *p;
-cp
- for(p = conn_list; p != NULL; p = p->next)
- if(p != cl && p->status.meta && p->status.active)
- send_meta(p, buffer, length);
-cp
- return 0;
}
/* Connection protocol: