1 files changed, 148 insertions, 0 deletions
diff --git a/modules/m_svsnick.c b/modules/m_svsnick.c
new file mode 100644
index 0000000..ff638d7
--- /dev/null
+++ b/modules/m_svsnick.c
@@ -0,0 +1,148 @@
+/*
+ *  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
+ *
+ *  Copyright (C) 1999 by the Bahamut Development Team.
+ *  Copyright (C) 2011 by the Hybrid Development Team.
+ *
+ *  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 2 of the License, 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307
+ *  USA
+ */
+
+/*! \file m_svsnick.c
+ * \brief Includes required functions for processing the SVSNICK command.
+ * \version $Id$
+ */
+
+#include "stdinc.h"
+#include "client.h"
+#include "ircd.h"
+#include "channel_mode.h"
+#include "numeric.h"
+#include "s_serv.h"
+#include "send.h"
+#include "parse.h"
+#include "modules.h"
+#include "irc_string.h"
+#include "s_user.h"
+#include "hash.h"
+#include "watch.h"
+#include "whowas.h"
+
+
+/*! \brief SVSNICK command handler (called by services)
+ *
+ * \param client_p Pointer to allocated Client struct with physical connection
+ *                 to this server, i.e. with an open socket connected.
+ * \param source_p Pointer to allocated Client struct from which the message
+ *                 originally comes from.  This can be a local or remote client.
+ * \param parc     Integer holding the number of supplied arguments.
+ * \param parv     Argument vector where parv[0] .. parv[parc-1] are non-NULL
+ *                 pointers.
+ * \note Valid arguments for this command are:
+ *      - parv[0] = sender prefix
+ *      - parv[1] = old nickname
+ *      - parv[2] = new nickname
+ *      - parv[3] = timestamp
+ */
+static void
+ms_svsnick(struct Client *client_p, struct Client *source_p,
+           int parc, char *parv[])
+{
+  struct Client *target_p = NULL, *exists_p = NULL;
+
+  if (!HasFlag(source_p, FLAGS_SERVICE) || !valid_nickname(parv[2], 1))
+    return;
+
+  if (hunt_server(client_p, source_p, ":%s SVSNICK %s %s :%s",
+                  1, parc, parv) != HUNTED_ISME)
+    return;
+
+  if ((target_p = find_person(client_p, parv[1])) == NULL)
+    return;
+
+  assert(MyClient(target_p));
+
+  if ((exists_p = hash_find_client(parv[2])))
+  {
+    if (IsUnknown(exists_p))
+      exit_client(exists_p, &me, "SVSNICK Override");
+    else
+    {
+      exit_client(target_p, &me, "SVSNICK Collide");
+      return;
+    }
+  }
+
+  target_p->tsinfo = atoi(parv[3]);
+  clear_ban_cache_client(target_p);
+  watch_check_hash(target_p, RPL_LOGOFF);
+
+  if (HasUMode(target_p, UMODE_REGISTERED))
+  {
+    unsigned int oldmodes = target_p->umodes;
+    char modebuf[IRCD_BUFSIZE] = { '\0' };
+
+    DelUMode(target_p, UMODE_REGISTERED);
+    send_umode(target_p, target_p, oldmodes, 0xffffffff, modebuf);
+  }
+
+  sendto_common_channels_local(target_p, 1, ":%s!%s@%s NICK :%s",
+                               target_p->name, target_p->username,
+                               target_p->host, parv[2]);
+
+  add_history(target_p, 1);
+
+  sendto_server(NULL, CAP_TS6, NOCAPS,
+                ":%s NICK %s :%lu",
+                ID(target_p), parv[2], (unsigned long)target_p->tsinfo);
+  sendto_server(NULL, NOCAPS, CAP_TS6,
+                ":%s NICK %s :%lu",
+                target_p->name, parv[2], (unsigned long)source_p->tsinfo);
+
+  hash_del_client(target_p);
+  strlcpy(target_p->name, parv[2], sizeof(target_p->name));
+  hash_add_client(target_p);
+
+  watch_check_hash(target_p, RPL_LOGON);
+
+  fd_note(&target_p->localClient->fd, "Nick: %s", parv[2]);
+}
+
+static struct Message svsnick_msgtab = {
+  "SVSNICK", 0, 0, 4, MAXPARA, MFLG_SLOW, 0,
+  {m_ignore, m_ignore, ms_svsnick, m_ignore, m_ignore, m_ignore}
+};
+
+static void
+module_init(void)
+{
+  mod_add_cmd(&svsnick_msgtab);
+}
+
+static void
+module_exit(void)
+{
+  mod_del_cmd(&svsnick_msgtab);
+}
+
+struct module module_entry = {
+  .node    = { NULL, NULL, NULL },
+  .name    = NULL,
+  .version = "$Revision$",
+  .handle  = NULL,
+  .modinit = module_init,
+  .modexit = module_exit,
+  .flags   = 0
+};