}
}
+/*
+ * read_ctrl_packet - Read a 'packet' of data from a servlink control
+ * link and process it.
+ */
+void
+read_ctrl_packet(rb_fde_t *F, void *data)
+{
+ struct Client *server = data;
+ struct LocalUser *lserver = server->localClient;
+ struct SlinkRpl *reply;
+ int length = 0;
+ unsigned char tmp[2];
+ unsigned char *len = tmp;
+ struct SlinkRplDef *replydef;
+#ifdef USE_IODEBUG_HOOKS
+ hook_data_int hdata;
+#endif
+
+ s_assert(lserver != NULL);
+ if(IsAnyDead(server))
+ return;
+
+ reply = &lserver->slinkrpl;
+
+
+ if(!reply->command)
+ {
+ reply->gotdatalen = 0;
+ reply->readdata = 0;
+ reply->data = NULL;
+
+ length = rb_read(F, tmp, 1);
+
+ if(length <= 0)
+ {
+ if((length == -1) && rb_ignore_errno(errno))
+ goto nodata;
+ error_exit_client(server, length);
+ return;
+ }
+
+ reply->command = tmp[0];
+ }
+
+ for (replydef = slinkrpltab; replydef->handler; replydef++)
+ {
+ if((int)replydef->replyid == reply->command)
+ break;
+ }
+
+ /* we should be able to trust a local slink process...
+ * and if it sends an invalid command, that's a bug.. */
+ s_assert(replydef->handler);
+
+ if((replydef->flags & SLINKRPL_FLAG_DATA) && (reply->gotdatalen < 2))
+ {
+ /* we need a datalen u16 which we don't have yet... */
+ length = rb_read(F, len, (2 - reply->gotdatalen));
+ if(length <= 0)
+ {
+ if((length == -1) && rb_ignore_errno(errno))
+ goto nodata;
+ error_exit_client(server, length);
+ return;
+ }
+
+ if(reply->gotdatalen == 0)
+ {
+ reply->datalen = *len << 8;
+ reply->gotdatalen++;
+ length--;
+ len++;
+ }
+ if(length && (reply->gotdatalen == 1))
+ {
+ reply->datalen |= *len;
+ reply->gotdatalen++;
+ if(reply->datalen > 0)
+ reply->data = rb_malloc(reply->datalen);
+ }
+
+ if(reply->gotdatalen < 2)
+ return; /* wait for more data */
+ }
+
+ if(reply->readdata < reply->datalen) /* try to get any remaining data */
+ {
+ length = rb_read(F, (reply->data + reply->readdata),
+ (reply->datalen - reply->readdata));
+ if(length <= 0)
+ {
+ if((length == -1) && rb_ignore_errno(errno))
+ goto nodata;
+ error_exit_client(server, length);
+ return;
+ }
+
+ reply->readdata += length;
+ if(reply->readdata < reply->datalen)
+ return; /* wait for more data */
+ }
+
+#ifdef USE_IODEBUG_HOOKS
+ hdata.client = server;
+ hdata.arg1 = NULL;
+ hdata.arg2 = reply->command;
+ hdata.data = NULL;
+ call_hook(h_iorecvctrl_id, &hdata);
+#endif
+
+ /* we now have the command and any data, pass it off to the handler */
+ (*replydef->handler) (reply->command, reply->datalen, reply->data, server);
+
+ /* reset SlinkRpl */
+ if(reply->datalen > 0)
+ rb_free(reply->data);
+ reply->command = 0;
+
+ if(IsAnyDead(server))
+ return;
+
+ nodata:
+ /* If we get here, we need to register for another COMM_SELECT_READ */
+ rb_setselect(F, RB_SELECT_READ, read_ctrl_packet, server);
+}
+
/*
* read_packet - Read a 'packet' of data from a connection and process it.
*/
*/
length = rb_read(client_p->localClient->F, readBuf, READBUF_SIZE);
- if(length <= 0)
+ if(length < 0)
{
- if(length < 0 && rb_ignore_errno(errno))
- {
+ if(rb_ignore_errno(errno))
rb_setselect(client_p->localClient->F,
RB_SELECT_READ, read_packet, client_p);
- } else
+ else
error_exit_client(client_p, length);
return;
}
- if(length == 0)
+ else if(length == 0)
{
error_exit_client(client_p, length);
return;