added gnutls backend and moved backend code into new files

[ircu2.10.12-pk.git] / ircd / s_numeric.c

diff --git a/ircd/s_numeric.c b/ircd/s_numeric.c
index 993b1e235e31d34f86731468cba4af228270b339..333d0f007f55c9a79dc47f9dafeb9c5f4c2f4280 100644 (file)
--- a/ircd/s_numeric.c
+++ b/ircd/s_numeric.c
@@ -17,21 +17,25 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * $Id$
  */
+/** @file
+ * @brief Send a numeric message to a client.
+ * @version $Id$
+ */
+#include "config.h"
+
 #include "s_numeric.h"
 #include "channel.h"
 #include "client.h"
 #include "hash.h"
 #include "ircd.h"
+#include "ircd_features.h"
+#include "ircd_snprintf.h"
 #include "numnicks.h"
 #include "send.h"
 #include "struct.h"
 
 
-static char buffer[1024];
-
 /*
  * do_numeric()
  * Rewritten by Nemesi, Jan 1999, to support numeric nicks in parv[1]
@@ -39,16 +43,24 @@ static char buffer[1024];
  * Called when we get a numeric message from a remote _server_ and we are
  * supposed to forward it somewhere. Note that we always ignore numerics sent
  * to 'me' and simply drop the message if we can't handle with this properly:
- * the savy approach is NEVER generate an error in response to an... error :)
+ * the savvy approach is NEVER generate an error in response to an... error :)
  */
 
+/** Forwards a numeric message from a remote server.
+ * @param numeric Value of numeric message.
+ * @param nnn If non-zero, treat parv[1] as a numnick; else as a client name.
+ * @param cptr Client that originated the numeric.
+ * @param sptr Peer that sent us the numeric.
+ * @param parc Count of valid arguments in \a parv.
+ * @param parv Argument list.
+ * @return Zero (always).
+ */
 int do_numeric(int numeric, int nnn, struct Client *cptr, struct Client *sptr,
     int parc, char *parv[])
 {
   struct Client *acptr = 0;
   struct Channel *achptr = 0;
-  char *p, *b;
-  int i;
+  char num[4];
 
   /* Avoid trash, we need it to come from a server and have a target  */
   if ((parc < 2) || !IsServer(sptr))
@@ -65,33 +77,29 @@ int do_numeric(int numeric, int nnn, struct Client *cptr, struct Client *sptr,
   else
     acptr = (nnn) ? (findNUser(parv[1])) : (FindUser(parv[1]));
 
-  if (((!acptr) || (acptr->from == cptr)) && !achptr)
+  if (((!acptr) || (cli_from(acptr) == cptr)) && !achptr)
     return 0;
 
   /* Remap low number numerics, not that I understand WHY.. --Nemesi  */
+  /* numerics below 100 talk about the current 'connection', you're not
+   * connected to a remote server so it doesn't make sense to send them
+   * remotely - but the information they contain may be useful, so we
+   * remap them up.  Weird, but true.  -- Isomer */
   if (numeric < 100)
     numeric += 100;
 
-  /* Rebuild the buffer with all the parv[] without wasting cycles :) */
-  b = buffer;
-  if (parc > 2)
-  {
-    for (i = 2; i < (parc - 1); i++)
-      for (*b++ = ' ', p = parv[i]; *p; p++)
-        *b++ = *p;
-    for (*b++ = ' ', *b++ = ':', p = parv[parc - 1]; *p; p++)
-      *b++ = *p;
-  }
-  *b = '\000';
-
-  /* Since .06 this will implicitly use numeric nicks when needed     */
+  ircd_snprintf(0, num, sizeof(num), "%03d", numeric);
 
+  /* Since 2.10.10.pl14 we rewrite numerics from remote servers to appear to
+   * come from the local server
+   */
   if (acptr)
-    sendto_prefix_one(acptr, sptr, ":%s %d %s%s",
-        sptr->name, numeric, acptr->name, buffer);
+    sendcmdto_one((feature_bool(FEAT_HIS_REWRITE) && !IsOper(acptr)) ?
+                    &me : sptr,
+                  num, num, acptr, "%C %s", acptr, parv[2]);
   else
-    sendto_channel_butone(cptr, sptr, achptr, ":%s %d %s%s",
-        sptr->name, numeric, achptr->chname, buffer);
-
+    sendcmdto_channel_butone(feature_bool(FEAT_HIS_REWRITE) ? &me : sptr,
+                             num, num, achptr, cptr, SKIP_DEAF | SKIP_BURST,
+                             "%H %s", achptr, parv[2]);
   return 0;
 }