]> jfr.im git - irc/rqf/shadowircd.git/blobdiff - src/packet.c
Add topic TS and channel TS constraints for /LIST.
[irc/rqf/shadowircd.git] / src / packet.c
index b3647722873df29df29c27240f6f1af41168f8a7..707ddbb5156da3288f4dab1b5e2191d0f26cb0a2 100644 (file)
@@ -21,7 +21,6 @@
  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
  *  USA
  *
- *  $Id: packet.c 3446 2007-05-14 22:21:16Z jilles $
  */
 #include "stdinc.h"
 #include "s_conf.h"
@@ -31,7 +30,7 @@
 #include "ircd.h"
 #include "parse.h"
 #include "packet.h"
-#include "irc_string.h"
+#include "match.h"
 #include "hook.h"
 #include "send.h"
 
@@ -58,7 +57,7 @@ parse_client_queued(struct Client *client_p)
                        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);
 
@@ -88,7 +87,7 @@ parse_client_queued(struct Client *client_p)
 
        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)
                {
@@ -99,7 +98,12 @@ parse_client_queued(struct Client *client_p)
        {
 
                if(IsOper(client_p) && ConfigFileEntry.no_oper_flood)
-                       checkflood = 0;
+               {
+                       if (ConfigFileEntry.true_no_oper_flood)
+                               checkflood = -1;
+                       else
+                               checkflood = 0;
+               }
                /*
                 * Handle flood protection here - if we exceed our flood limit on
                 * messages in this loop, we simply drop out of the loop prematurely.
@@ -129,10 +133,10 @@ parse_client_queued(struct Client *client_p)
                        /* allow opers 4 times the amount of messages as users. why 4?
                         * why not. :) --fl_
                         */
-                       else if(client_p->localClient->sent_parsed >= (4 * client_p->localClient->allow_read))
+                       else if(client_p->localClient->sent_parsed >= (4 * client_p->localClient->allow_read) && checkflood != -1)
                                break;
 
-                       dolen = linebuf_get(&client_p->localClient->
+                       dolen = rb_linebuf_get(&client_p->localClient->
                                            buf_recvq, readBuf, READBUF_SIZE,
                                            LINEBUF_COMPLETE, LINEBUF_PARSED);
 
@@ -172,169 +176,63 @@ flood_endgrace(struct Client *client_p)
  * once a second on any given client. We then attempt to flush some data.
  */
 void
-flood_recalc(int fd, void *data)
-{
-       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;
-
-       /* 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)
+flood_recalc(void *unused)
 {
-       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;
+       rb_dlink_node *ptr, *next;
+       struct Client *client_p;
 
-       reply = &lserver->slinkrpl;
-
-
-       if(!reply->command)
+       RB_DLINK_FOREACH_SAFE(ptr, next, lclient_list.head)
        {
-               reply->gotdatalen = 0;
-               reply->readdata = 0;
-               reply->data = NULL;
-
-               length = read(fd, tmp, 1);
+               client_p = ptr->data;
 
-               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;
@@ -345,81 +243,83 @@ read_packet(int fd, void *data)
 #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;
+               }
        }
 }