* $Id: packet.c 3446 2007-05-14 22:21:16Z jilles $
*/
#include "stdinc.h"
-#include "tools.h"
-#include "commio.h"
#include "s_conf.h"
#include "s_serv.h"
#include "client.h"
#include "ircd.h"
#include "parse.h"
#include "packet.h"
-#include "irc_string.h"
-#include "memory.h"
+#include "match.h"
#include "hook.h"
#include "send.h"
if(client_p->localClient->sent_parsed >= client_p->localClient->allow_read)
break;
- dolen = linebuf_get(&client_p->localClient->
+ dolen = rb_linebuf_get(&client_p->localClient->
buf_recvq, readBuf, READBUF_SIZE,
LINEBUF_COMPLETE, LINEBUF_PARSED);
if(IsAnyServer(client_p) || IsExemptFlood(client_p))
{
- while (!IsAnyDead(client_p) && (dolen = linebuf_get(&client_p->localClient->buf_recvq,
+ while (!IsAnyDead(client_p) && (dolen = rb_linebuf_get(&client_p->localClient->buf_recvq,
readBuf, READBUF_SIZE, LINEBUF_COMPLETE,
LINEBUF_PARSED)) > 0)
{
else if(client_p->localClient->sent_parsed >= (4 * client_p->localClient->allow_read))
break;
- dolen = linebuf_get(&client_p->localClient->
+ dolen = rb_linebuf_get(&client_p->localClient->
buf_recvq, readBuf, READBUF_SIZE,
LINEBUF_COMPLETE, LINEBUF_PARSED);
* once a second on any given client. We then attempt to flush some data.
*/
void
-flood_recalc(int fd, void *data)
+flood_recalc(void *unused)
{
- struct Client *client_p = data;
- struct LocalUser *lclient_p = client_p->localClient;
-
- /* This can happen in the event that the client detached. */
- if(!lclient_p)
- return;
-
- /* allow a bursting client their allocation per second, allow
- * a client whos flooding an extra 2 per second
- */
- if(IsFloodDone(client_p))
- lclient_p->sent_parsed -= 2;
- else
- lclient_p->sent_parsed = 0;
-
- if(lclient_p->sent_parsed < 0)
- lclient_p->sent_parsed = 0;
-
- if(--lclient_p->actually_read < 0)
- lclient_p->actually_read = 0;
-
- parse_client_queued(client_p);
-
- if(IsAnyDead(client_p))
- return;
+ rb_dlink_node *ptr, *next;
+ struct Client *client_p;
- /* and finally, reset the flood check */
- rb_setflush(fd, 1000, flood_recalc, client_p);
-}
-
-/*
- * read_ctrl_packet - Read a 'packet' of data from a servlink control
- * link and process it.
- */
-void
-read_ctrl_packet(int fd, 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)
+ RB_DLINK_FOREACH_SAFE(ptr, next, lclient_list.head)
{
- reply->gotdatalen = 0;
- reply->readdata = 0;
- reply->data = NULL;
+ client_p = ptr->data;
- length = read(fd, tmp, 1);
-
- if(length <= 0)
- {
- if((length == -1) && ignoreErrno(errno))
- goto nodata;
- error_exit_client(server, length);
- return;
- }
+ if(rb_unlikely(IsMe(client_p)))
+ continue;
+
+ if(rb_unlikely(client_p->localClient == NULL))
+ continue;
+
+ if(IsFloodDone(client_p))
+ client_p->localClient->sent_parsed -= 2;
+ else
+ client_p->localClient->sent_parsed = 0;
+
+ if(client_p->localClient->sent_parsed < 0)
+ client_p->localClient->sent_parsed = 0;
+
+ if(--client_p->localClient->actually_read < 0)
+ client_p->localClient->actually_read = 0;
+
+ parse_client_queued(client_p);
+
+ if(rb_unlikely(IsAnyDead(client_p)))
+ continue;
- reply->command = tmp[0];
}
- for (replydef = slinkrpltab; replydef->handler; replydef++)
+ RB_DLINK_FOREACH_SAFE(ptr, next, unknown_list.head)
{
- if((int)replydef->replyid == reply->command)
- break;
- }
+ client_p = ptr->data;
- /* 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(client_p->localClient == NULL)
+ continue;
- if((replydef->flags & SLINKRPL_FLAG_DATA) && (reply->gotdatalen < 2))
- {
- /* we need a datalen u16 which we don't have yet... */
- length = read(fd, len, (2 - reply->gotdatalen));
- if(length <= 0)
- {
- if((length == -1) && ignoreErrno(errno))
- goto nodata;
- error_exit_client(server, length);
- return;
- }
+ client_p->localClient->sent_parsed--;
- 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 = MyMalloc(reply->datalen);
- }
+ if(client_p->localClient->sent_parsed < 0)
+ client_p->localClient->sent_parsed = 0;
- if(reply->gotdatalen < 2)
- return; /* wait for more data */
- }
+ if(--client_p->localClient->actually_read < 0)
+ client_p->localClient->actually_read = 0;
- if(reply->readdata < reply->datalen) /* try to get any remaining data */
- {
- length = read(fd, (reply->data + reply->readdata),
- (reply->datalen - reply->readdata));
- if(length <= 0)
- {
- if((length == -1) && ignoreErrno(errno))
- goto nodata;
- error_exit_client(server, length);
- return;
- }
-
- reply->readdata += length;
- if(reply->readdata < reply->datalen)
- return; /* wait for more data */
+ parse_client_queued(client_p);
}
-
-#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)
- MyFree(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(fd, FDLIST_SERVER, COMM_SELECT_READ, read_ctrl_packet, server, 0);
}
/*
* read_packet - Read a 'packet' of data from a connection and process it.
*/
void
-read_packet(int fd, void *data)
+read_packet(rb_fde_t * F, void *data)
{
struct Client *client_p = data;
struct LocalUser *lclient_p = client_p->localClient;
#ifdef USE_IODEBUG_HOOKS
hook_data_int hdata;
#endif
- if(IsAnyDead(client_p))
- return;
- /*
- * Read some data. We *used to* do anti-flood protection here, but
- * I personally think it makes the code too hairy to make sane.
- * -- adrian
- */
- length = client_p->localClient->F->read_impl(client_p->localClient->F, readBuf, READBUF_SIZE);
-
- if(length <= 0)
+ while(1)
{
- if((length == -1) && ignoreErrno(errno))
+ if(IsAnyDead(client_p))
+ return;
+
+ /*
+ * Read some data. We *used to* do anti-flood protection here, but
+ * I personally think it makes the code too hairy to make sane.
+ * -- adrian
+ */
+ length = rb_read(client_p->localClient->F, readBuf, READBUF_SIZE);
+
+ if(length < 0)
{
- rb_setselect(client_p->localClient->F->fd, FDLIST_IDLECLIENT,
- COMM_SELECT_READ, read_packet, client_p, 0);
+ if(rb_ignore_errno(errno))
+ rb_setselect(client_p->localClient->F,
+ RB_SELECT_READ, read_packet, client_p);
+ else
+ error_exit_client(client_p, length);
+ return;
+ }
+ else if(length == 0)
+ {
+ error_exit_client(client_p, length);
return;
}
- error_exit_client(client_p, length);
- return;
- }
#ifdef USE_IODEBUG_HOOKS
- hdata.client = client_p;
- hdata.arg1 = readBuf;
- hdata.arg2 = length;
- call_hook(h_iorecv_id, &hdata);
+ hdata.client = client_p;
+ hdata.arg1 = readBuf;
+ hdata.arg2 = length;
+ call_hook(h_iorecv_id, &hdata);
#endif
- if(client_p->localClient->lasttime < CurrentTime)
- client_p->localClient->lasttime = CurrentTime;
- client_p->flags &= ~FLAGS_PINGSENT;
+ if(client_p->localClient->lasttime < rb_current_time())
+ client_p->localClient->lasttime = rb_current_time();
+ client_p->flags &= ~FLAGS_PINGSENT;
- /*
- * Before we even think of parsing what we just read, stick
- * it on the end of the receive queue and do it when its
- * turn comes around.
- */
- if(IsHandshake(client_p) || IsUnknown(client_p))
- binary = 1;
+ /*
+ * Before we even think of parsing what we just read, stick
+ * it on the end of the receive queue and do it when its
+ * turn comes around.
+ */
+ if(IsHandshake(client_p) || IsUnknown(client_p))
+ binary = 1;
- lbuf_len = linebuf_parse(&client_p->localClient->buf_recvq, readBuf, length, binary);
+ lbuf_len = rb_linebuf_parse(&client_p->localClient->buf_recvq, readBuf, length, binary);
- lclient_p->actually_read += lbuf_len;
+ lclient_p->actually_read += lbuf_len;
- if(IsAnyDead(client_p))
- return;
-
- /* Attempt to parse what we have */
- parse_client_queued(client_p);
+ if(IsAnyDead(client_p))
+ return;
+
+ /* Attempt to parse what we have */
+ parse_client_queued(client_p);
- if(IsAnyDead(client_p))
- return;
-
- /* Check to make sure we're not flooding */
- if(!IsAnyServer(client_p) &&
- (linebuf_alloclen(&client_p->localClient->buf_recvq) > ConfigFileEntry.client_flood))
- {
- if(!(ConfigFileEntry.no_oper_flood && IsOper(client_p)))
- {
- exit_client(client_p, client_p, client_p, "Excess Flood");
+ if(IsAnyDead(client_p))
return;
+
+ /* Check to make sure we're not flooding */
+ if(!IsAnyServer(client_p) &&
+ (rb_linebuf_alloclen(&client_p->localClient->buf_recvq) > ConfigFileEntry.client_flood))
+ {
+ if(!(ConfigFileEntry.no_oper_flood && IsOper(client_p)))
+ {
+ exit_client(client_p, client_p, client_p, "Excess Flood");
+ return;
+ }
}
- }
- /* If we get here, we need to register for another COMM_SELECT_READ */
- if(PARSE_AS_SERVER(client_p))
- {
- rb_setselect(client_p->localClient->F->fd, FDLIST_SERVER, COMM_SELECT_READ,
- read_packet, client_p, 0);
- }
- else
- {
- rb_setselect(client_p->localClient->F->fd, FDLIST_IDLECLIENT,
- COMM_SELECT_READ, read_packet, client_p, 0);
+ /* bail if short read */
+ if(length < READBUF_SIZE)
+ {
+ rb_setselect(client_p->localClient->F, RB_SELECT_READ, read_packet, client_p);
+ return;
+ }
}
}