Merge branch 'u2_10_12_branch' of git://git.code.sf.net/p/undernet-ircu/ircu2

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

diff --git a/ircd/m_squit.c b/ircd/m_squit.c
new file mode 100644 (file)
index 0000000..5913cf2
--- /dev/null
+++ b/ircd/m_squit.c
@@ -0,0 +1,160 @@
+/*
+ * IRC - Internet Relay Chat, ircd/m_squit.c
+ * Copyright (C) 1990 Jarkko Oikarinen and
+ *                    University of Oulu, Computing Center
+ *
+ * See file AUTHORS in IRC package for additional names of
+ * the programmers.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 1, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * 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.
+ *
+ * $Id$
+ */
+#include "config.h"
+
+#include "client.h"
+#include "hash.h"
+#include "ircd.h"
+#include "ircd_chattr.h"
+#include "ircd_log.h"
+#include "ircd_reply.h"
+#include "ircd_string.h"
+#include "numeric.h"
+#include "numnicks.h"
+#include "match.h"
+#include "s_debug.h"
+#include "s_misc.h"
+#include "s_user.h"
+#include "send.h"
+
+/* #include <assert.h> -- Now using assert in ircd_log.h */
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+/*
+ *  ms_squit (server)
+ *
+ *    parv[0] = sender prefix
+ *    parv[1] = server name
+ *    parv[2] = timestamp
+ *    parv[parc-1] = comment
+ *
+ * No longer supports wildcards from servers. 
+ * No longer squits a server that gave us an malformed squit message.
+ *    - Isomer 1999-12-18
+ * 
+ */
+int ms_squit(struct Client* cptr, struct Client* sptr, int parc, char* parv[])
+{
+  const char* server = parv[1];
+  struct Client *acptr;
+  time_t timestamp = 0;
+  char *comment = 0;
+  
+  if (parc < 2) 
+    return need_more_params(sptr, "SQUIT");
+
+  comment = parv[parc-1];
+  
+  if (BadPtr(parv[parc - 1]))
+       comment = cli_name(sptr);
+       
+  acptr = FindServer(server);
+
+  if (!acptr)
+    acptr = FindNServer(server);
+
+  if (!acptr) {
+    Debug((DEBUG_NOTICE, "Ignoring SQUIT to an unknown server"));
+    return 0;
+  }
+  
+  /* If they are squitting me, we reverse it */
+  if (IsMe(acptr))
+    acptr = cptr; /* Bugfix by Prefect */
+
+  if (parc > 2)
+    timestamp = atoi(parv[2]);
+  else
+    protocol_violation(cptr, "SQUIT with no timestamp/reason");
+
+  /* If atoi(parv[2]) == 0 we must indeed squit !
+   * It will be our neighbour.
+   */
+  if ( timestamp != 0 && timestamp != cli_serv(acptr)->timestamp)
+  {
+    Debug((DEBUG_NOTICE, "Ignoring SQUIT with the wrong timestamp"));
+    return 0;
+  }
+  
+  return exit_client(cptr, acptr, sptr, comment);
+}
+
+/*
+ *  mo_squit (oper)
+ *
+ *    parv[0] = sender prefix
+ *    parv[1] = server name
+ *    parv[2] = comment (optional)
+ *
+ */
+int mo_squit(struct Client* cptr, struct Client* sptr, int parc, char* parv[])
+{
+  const char* server;
+  struct Client *acptr;
+  struct Client *acptr2;
+  char *comment;
+      
+  if (parc < 2) 
+    return need_more_params(sptr, "SQUIT");
+
+  if (parc < 3 || BadPtr(parv[2]))
+    comment = cli_name(sptr);
+  else
+    comment = parv[2];
+
+  server = parv[1];
+  /*
+   * The following allows wild cards in SQUIT. Only useful
+   * when the command is issued by an oper.
+   */
+  for (acptr = GlobalClientList; (acptr = next_client(acptr, server));
+      acptr = cli_next(acptr)) {
+    if (IsServer(acptr) || IsMe(acptr))
+      break;
+  }
+  
+  /* Not found? Bugger. */
+  if (!acptr || IsMe(acptr))
+    return send_reply(sptr, ERR_NOSUCHSERVER, server);
+
+  /*
+   * Look for a matching server that is closer,
+   * that way we won't accidentally squit two close
+   * servers like davis.* and davis-r.* when typing
+   * /SQUIT davis*
+   */
+  for (acptr2 = cli_serv(acptr)->up; acptr2 != &me;
+      acptr2 = cli_serv(acptr2)->up)
+    if (!match(server, cli_name(acptr2)))
+      acptr = acptr2;
+  
+  /* Disallow local opers to squit remote servers */
+  if (IsLocOp(sptr) && !MyConnect(acptr))
+    return send_reply(sptr, ERR_NOPRIVILEGES);
+
+  return exit_client(cptr, acptr, sptr, comment);
+}