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-rw-r--r--contrib/m_change.c267
1 files changed, 267 insertions, 0 deletions
diff --git a/contrib/m_change.c b/contrib/m_change.c
new file mode 100644
index 0000000..b81b137
--- /dev/null
+++ b/contrib/m_change.c
@@ -0,0 +1,267 @@
+/*
+ * ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
+ * m_change.c: Allows changing user/host/real of connected clients.
+ *
+ * Copyright (C) 2002 by the past and present ircd coders, and others.
+ *
+ * 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
+ *
+ * $Id$
+ */
+
+#include "stdinc.h"
+#include "client.h"
+#include "ircd.h"
+#include "irc_string.h"
+#include "numeric.h"
+#include "fdlist.h"
+#include "s_bsd.h"
+#include "conf.h"
+#include "log.h"
+#include "s_serv.h"
+#include "send.h"
+#include "parse.h"
+#include "modules.h"
+#include "s_user.h"
+#include "hash.h"
+#include "userhost.h"
+#include "channel_mode.h"
+
+
+static void
+mo_chgident(struct Client *client_p, struct Client *source_p,
+ int parc, char *parv[])
+{
+ struct Client *target_p = NULL;
+
+ if (MyClient(source_p) && !HasUMode(source_p, UMODE_ADMIN))
+ {
+ sendto_one(source_p, form_str(ERR_NOPRIVS),
+ me.name, source_p->name, "CHGIDENT");
+ return;
+ }
+
+ if (EmptyString(parv[2]))
+ {
+ parv[2] = parv[1];
+ target_p = source_p;
+
+ if (!IsClient(target_p))
+ return;
+ }
+ else {
+ target_p = hash_find_client(parv[1]);
+
+ if (target_p == NULL || !IsClient(target_p))
+ {
+ sendto_one(source_p, form_str(ERR_NOSUCHNICK),
+ me.name, source_p->name, parv[1]);
+ return;
+ }
+ }
+
+ if (strlen(parv[2]) > USERLEN || !*parv[2] || !valid_username(parv[2]))
+ {
+ sendto_one(source_p, ":%s NOTICE %s :Invalid username",
+ me.name, source_p->name);
+ return;
+ }
+
+ if (IsUserHostIp(target_p))
+ delete_user_host(target_p->username, target_p->host, !MyConnect(target_p));
+
+ strlcpy(target_p->username, parv[2], sizeof(target_p->username));
+
+ add_user_host(target_p->username, target_p->host, !MyConnect(target_p));
+ SetUserHost(target_p);
+
+ if (MyClient(source_p))
+ {
+ sendto_server(client_p, NOCAPS, NOCAPS, ":%s ENCAP * CHGIDENT %s %s",
+ source_p->name, target_p->name, parv[2]);
+ sendto_one(source_p, ":%s NOTICE %s :%s changed to %s@%s",
+ me.name, source_p->name, target_p->name, target_p->username,
+ target_p->host);
+ }
+
+ if (MyClient(target_p))
+ {
+ if (IsClient(source_p))
+ sendto_one(target_p, ":%s NOTICE %s :You are now %s@%s",
+ me.name, target_p->name, target_p->username, target_p->host);
+
+ clear_ban_cache_client(target_p);
+ }
+}
+
+static void
+mo_chghost(struct Client *client_p, struct Client *source_p,
+ int parc, char *parv[])
+{
+ struct Client *target_p = NULL;
+
+ if (MyClient(source_p) && !HasUMode(source_p, UMODE_ADMIN))
+ {
+ sendto_one(source_p, form_str(ERR_NOPRIVS),
+ me.name, source_p->name, "CHGHOST");
+ return;
+ }
+
+ if (EmptyString(parv[2]))
+ {
+ parv[2] = parv[1];
+ target_p = source_p;
+
+ if (!IsClient(target_p))
+ return;
+ }
+ else {
+ target_p = hash_find_client(parv[1]);
+
+ if (target_p == NULL || !IsClient(target_p))
+ {
+ sendto_one(source_p, form_str(ERR_NOSUCHNICK),
+ me.name, source_p->name, parv[1]);
+ return;
+ }
+ }
+
+ if (strlen(parv[2]) > HOSTLEN || !*parv[2] || !valid_hostname(parv[2]))
+ {
+ sendto_one(source_p, ":%s NOTICE %s :Invalid hostname",
+ me.name, source_p->name);
+ return;
+ }
+
+ if (IsUserHostIp(target_p))
+ delete_user_host(target_p->username, target_p->host, !MyConnect(target_p));
+
+ strlcpy(target_p->host, parv[2], sizeof(target_p->host));
+ SetIPSpoof(target_p);
+
+ add_user_host(target_p->username, target_p->host, !MyConnect(target_p));
+ SetUserHost(target_p);
+
+ if (MyClient(source_p))
+ {
+ sendto_server(client_p, NOCAPS, NOCAPS, ":%s ENCAP * CHGHOST %s %s",
+ source_p->name, target_p->name, parv[2]);
+ sendto_one(source_p, ":%s NOTICE %s :%s changed to %s@%s",
+ me.name, source_p->name, target_p->name, target_p->username,
+ target_p->host);
+ }
+
+ if (MyClient(target_p))
+ {
+ if (IsClient(source_p))
+ sendto_one(target_p, ":%s NOTICE %s :You are now %s@%s",
+ me.name, target_p->name, target_p->username, target_p->host);
+ clear_ban_cache_client(target_p);
+ }
+}
+
+static void
+mo_chgname(struct Client *client_p, struct Client *source_p,
+ int parc, char *parv[])
+{
+ struct Client *target_p = NULL;
+
+ if (MyClient(source_p) && !HasUMode(source_p, UMODE_ADMIN))
+ {
+ sendto_one(source_p, form_str(ERR_NOPRIVS),
+ me.name, source_p->name, "CHGNAME");
+ return;
+ }
+
+ if (EmptyString(parv[2]))
+ {
+ parv[2] = parv[1];
+ target_p = source_p;
+ }
+ else if ((target_p = hash_find_client(parv[1])) == NULL)
+ {
+ sendto_one(source_p, form_str(ERR_NOSUCHNICK),
+ me.name, source_p->name, parv[1]);
+ return;
+ }
+
+ if (strlen(parv[2]) > REALLEN || !*parv[2])
+ {
+ sendto_one(source_p, ":%s NOTICE %s :Invalid realname",
+ me.name, source_p->name);
+ return;
+ }
+
+ if (parc > 3 && MyClient(source_p))
+ sendto_one(source_p, ":%s NOTICE %s :Warning -- too many parameters "
+ "for CHGNAME. You are probably missing a : before the new "
+ "IRC name.", me.name, source_p->name);
+
+ strlcpy(target_p->info, parv[2], sizeof(target_p->info));
+
+ if (MyClient(source_p))
+ {
+ sendto_server(client_p, NOCAPS, NOCAPS, ":%s ENCAP * CHGNAME %s :%s",
+ source_p->name, target_p->name, parv[2]);
+ sendto_one(source_p, ":%s NOTICE %s :%s realname changed to [%s]",
+ me.name, source_p->name, target_p->name, target_p->info);
+ }
+
+ if (MyClient(target_p) && IsClient(source_p))
+ sendto_one(target_p, ":%s NOTICE %s :Your realname is now [%s]",
+ me.name, target_p->name, target_p->info);
+}
+
+static struct Message chgident_msgtab = {
+ "CHGIDENT", 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
+ {m_unregistered, m_not_oper, mo_chgident, mo_chgident, mo_chgident, m_ignore}
+};
+
+static struct Message chghost_msgtab = {
+ "CHGHOST", 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
+ {m_unregistered, m_not_oper, mo_chghost, mo_chghost, mo_chghost, m_ignore}
+};
+
+static struct Message chgname_msgtab = {
+ "CHGNAME", 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
+ {m_unregistered, m_not_oper, mo_chgname, mo_chgname, mo_chgname, m_ignore}
+};
+
+static void
+module_init(void)
+{
+ mod_add_cmd(&chgident_msgtab);
+ mod_add_cmd(&chghost_msgtab);
+ mod_add_cmd(&chgname_msgtab);
+}
+
+static void
+module_exit(void)
+{
+ mod_del_cmd(&chgname_msgtab);
+ mod_del_cmd(&chghost_msgtab);
+ mod_del_cmd(&chgident_msgtab);
+}
+
+struct module module_entry = {
+ .node = { NULL, NULL, NULL },
+ .name = NULL,
+ .version = "$Revision$",
+ .handle = NULL,
+ .modinit = module_init,
+ .modexit = module_exit,
+ .flags = 0
+};
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