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- Added meta.c which contains functions to send, receive and broadcast

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metadata. It will also handle encryption and decryption, and possibly
  compression and checksumming.
- Moved request dispatcher to protocol.c.
This commit is contained in:
Guus Sliepen 2000-09-26 14:06:11 +00:00
parent 2c412009e5
commit c78a204f06
5 changed files with 239 additions and 162 deletions
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56
src/protocol.c
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@ -17,7 +17,7 @@
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"
@ -43,6 +43,7 @@
#include "net.h"
#include "netutl.h"
#include "protocol.h"
#include "meta.h"
#include "system.h"
@ -61,7 +62,7 @@ int check_id(char *id)
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*/ ...)
{
@ -89,37 +90,38 @@ cp
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: