ircd-hybrid/contrib/m_services.c

/*
 *  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
 *  m_services.c: SVS commands and Services support
 *
 *  Copyright (C) 2005 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
 *
 *  $Id$
 */
/*
 *
 * With code from 'bane' the URL following is valid as of this date.
 * http://hybserv2.net/file/trunk/contrib/hybrid_services.c
 *
 *
 *   Copyright (C) 2002, 2003, 2004, 2005 by Dragan 'bane' Dosen and the
 *   Hybrid Development Team.
 *
 *   Based on m_services.c, originally from bahamut ircd.
 *
 *   Contact info:
 *
 *     E-mail : bane@idolnet.org
 *     IRC    : (*) bane, idolNET, irc.idolnet.org, #twilight_zone
 */

/* MODULE CONFIGURATION FOLLOWS -- please read!! */

/* Change this to the name of your services server
 * otherwise the services aliases will not work!
 */
#define SERVICES_NAME "services.yournet.net"

/* END OF MODULE CONFIGURATION */

#include "stdinc.h"
#include "handlers.h"
#include "client.h"
#include "hash.h"
#include "ircd.h"
#include "numeric.h"
#include "s_conf.h"
#include "s_stats.h"
#include "s_user.h"
#include "whowas.h"
#include "s_serv.h"
#include "send.h"
#include "channel.h"
#include "resv.h"
#include "msg.h"
#include "parse.h"
#include "modules.h"
#include "common.h"
#include "packet.h"

/* Custom Macros */
#define services_function(a,b,c) static void a(struct Client *client_p,\
        struct Client *source_p, int parc,\
        char *parv[]) \
{ deliver_services_msg(b, c, client_p, source_p, parc, parv); }

static void mo_svsnick(struct Client *, struct Client *, int, char *[]);

static void m_botserv(struct Client *, struct Client *, int, char *[]);
static void m_chanserv(struct Client *, struct Client *, int, char *[]);
static void m_global(struct Client *, struct Client *, int, char *[]);
static void m_helpserv(struct Client *, struct Client *, int, char *[]);
static void m_hostserv(struct Client *, struct Client *, int, char *[]);
static void m_identify(struct Client *, struct Client *, int, char *[]);
static void m_memoserv(struct Client *, struct Client *, int, char *[]);
static void m_nickserv(struct Client *, struct Client *, int, char *[]);
static void m_operserv(struct Client *, struct Client *, int, char *[]);
static void m_seenserv(struct Client *, struct Client *, int, char *[]);
static void m_statserv(struct Client *, struct Client *, int, char *[]);

static void get_string(int, char *[], char *);
static int clean_nick_name(char *, int);
static void deliver_services_msg(const char *, const char *, struct Client *,
                                 struct Client *, int, char *[]);

/* SVS commands */
struct Message svsnick_msgtab = {
  "SVSNICK", 0, 0, 3, 0, MFLG_SLOW, 0,
  {m_unregistered, m_not_oper, mo_svsnick, mo_svsnick, mo_svsnick, m_ignore}
};

/* Services */
struct Message botserv_msgtab = {
  "BOTSERV", 0, 0, 1, 0, MFLG_SLOW, 0,
  {m_unregistered, m_botserv, m_ignore, m_ignore, m_botserv, m_ignore}
};

struct Message chanserv_msgtab = {
  "CHANSERV", 0, 0, 1, 0, MFLG_SLOW, 0,
  {m_unregistered, m_chanserv, m_ignore, m_ignore, m_chanserv, m_ignore}
};

struct Message global_msgtab = {
  "GLOBAL", 0, 0, 1, 0, MFLG_SLOW, 0,
  {m_unregistered, m_global, m_ignore, m_ignore, m_global, m_ignore}
};

struct Message helpserv_msgtab = {
  "HELPSERV", 0, 0, 1, 0, MFLG_SLOW, 0,
  {m_unregistered, m_helpserv, m_ignore, m_ignore, m_helpserv, m_ignore}
};

struct Message hostserv_msgtab = {
  "HOSTSERV", 0, 0, 1, 0, MFLG_SLOW, 0,
  {m_unregistered, m_hostserv, m_ignore, m_ignore, m_hostserv, m_ignore}
};

struct Message memoserv_msgtab = {
  "MEMOSERV", 0, 0, 1, 0, MFLG_SLOW, 0,
  {m_unregistered, m_memoserv, m_ignore, m_ignore, m_memoserv, m_ignore}
};

struct Message nickserv_msgtab = {
  "NICKSERV", 0, 0, 1, 0, MFLG_SLOW, 0,
  {m_unregistered, m_nickserv, m_ignore, m_ignore, m_nickserv, m_ignore}
};

struct Message operserv_msgtab = {
  "OPERSERV", 0, 0, 1, 0, MFLG_SLOW, 0,
  {m_unregistered, m_operserv, m_ignore, m_ignore, m_operserv, m_ignore}
};

struct Message seenserv_msgtab = {
  "SEENSERV", 0, 0, 1, 0, MFLG_SLOW, 0,
  {m_unregistered, m_seenserv, m_ignore, m_ignore, m_seenserv, m_ignore}
};

struct Message statserv_msgtab = {
  "STATSERV", 0, 0, 1, 0, MFLG_SLOW, 0,
  {m_unregistered, m_statserv, m_ignore, m_ignore, m_statserv, m_ignore}
};

/* Short-hand aliases for NickServ, ChanServ, MemoServ and OperServ */
struct Message cs_msgtab = {
  "CS", 0, 0, 1, 0, MFLG_SLOW, 0,
  {m_unregistered, m_chanserv, m_ignore, m_ignore, m_chanserv, m_ignore}
};

struct Message identify_msgtab = {
  "IDENTIFY", 0, 0, 0, 2, MFLG_SLOW, 0,
  {m_unregistered, m_identify, m_ignore, m_ignore, m_identify, m_ignore}
};

struct Message ms_msgtab = {
  "MS", 0, 0, 1, 0, MFLG_SLOW, 0,
  {m_unregistered, m_memoserv, m_ignore, m_ignore, m_memoserv, m_ignore}
};

struct Message ns_msgtab = {
  "NS", 0, 0, 1, 0, MFLG_SLOW, 0,
  {m_unregistered, m_nickserv, m_ignore, m_ignore, m_nickserv, m_ignore}
};

struct Message os_msgtab = {
  "OS", 0, 0, 1, 0, MFLG_SLOW, 0,
  {m_unregistered, m_operserv, m_ignore, m_ignore, m_operserv, m_ignore}
};

#ifndef STATIC_MODULES
void
_modinit(void)
{
  mod_add_cmd(&svsnick_msgtab);
  mod_add_cmd(&botserv_msgtab);
  mod_add_cmd(&chanserv_msgtab); 
  mod_add_cmd(&global_msgtab);
  mod_add_cmd(&helpserv_msgtab);
  mod_add_cmd(&hostserv_msgtab);
  mod_add_cmd(&identify_msgtab);
  mod_add_cmd(&memoserv_msgtab);
  mod_add_cmd(&nickserv_msgtab);
  mod_add_cmd(&operserv_msgtab);
  mod_add_cmd(&seenserv_msgtab);
  mod_add_cmd(&statserv_msgtab);
  mod_add_cmd(&ns_msgtab);
  mod_add_cmd(&cs_msgtab);
  mod_add_cmd(&ms_msgtab);
  mod_add_cmd(&os_msgtab);
}

void
_moddeinit(void)
{
  mod_del_cmd(&svsnick_msgtab);
  mod_del_cmd(&botserv_msgtab);
  mod_del_cmd(&chanserv_msgtab); 
  mod_del_cmd(&global_msgtab);
  mod_del_cmd(&helpserv_msgtab);
  mod_del_cmd(&hostserv_msgtab);
  mod_del_cmd(&identify_msgtab);
  mod_del_cmd(&memoserv_msgtab);
  mod_del_cmd(&nickserv_msgtab);
  mod_del_cmd(&operserv_msgtab);
  mod_del_cmd(&seenserv_msgtab);
  mod_del_cmd(&statserv_msgtab);
  mod_del_cmd(&ns_msgtab);
  mod_del_cmd(&cs_msgtab);
  mod_del_cmd(&ms_msgtab);
  mod_del_cmd(&os_msgtab);
}

const char *_version = "$Revision$";
#endif

/*
 * mo_svsnick()
 *
 * parv[0] = sender prefix
 * parv[1] = user to force
 * parv[2] = nick to force them to
 */
static void
mo_svsnick(struct Client *client_p, struct Client *source_p,
           int parc, char *parv[])
{
  char newnick[NICKLEN];
  struct Client *target_p = NULL;

  if (MyClient(source_p) && !IsOperAdmin(source_p))
  {
    sendto_one(source_p, form_str(ERR_NOPRIVS),
               me.name, parv[0], "SVSNICK");
    return;
  }

  if (parc < 3 || *parv[2] == '\0')
  {
    sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
               me.name, parv[0], "SVSNICK");
    return;
  }

  if ((target_p = find_person(client_p, parv[1])) == NULL)
  {
    sendto_one(source_p, form_str(ERR_NOSUCHNICK),
               me.name, parv[0], parv[1]);
    return;
  }

  /* terminate nick to NICKLEN */
  strlcpy(newnick, parv[2], sizeof(newnick));

  if (!clean_nick_name(newnick, 1))
  {
    if (IsClient(source_p))
      sendto_one(source_p, ":%s NOTICE %s :*** Notice -- Invalid new ",
                 "nickname: %s", me.name, parv[0], newnick);
    return;
  }

  if (find_client(newnick) != NULL)
  {
    if (IsClient(source_p))
      sendto_one(source_p, ":%s NOTICE %s :*** Notice -- Nickname %s is "
                 "already in use", me.name, parv[0], newnick);
    return;
  }

  if (MyConnect(target_p))
    change_local_nick(&me, target_p, newnick);
  else
    sendto_one(target_p, ":%s ENCAP %s SVSNICK %s %s",
               me.name, target_p->servptr->name, ID(target_p), newnick);
}

/*
 * These generate the services functions through
 * a macro.
 */
services_function(m_botserv,  "BotServ",  "BOTSERV" )
services_function(m_chanserv, "ChanServ", "CHANSERV")
services_function(m_global,   "Global",   "GLOBAL"  )
services_function(m_helpserv, "HelpServ", "HELPSERV")
services_function(m_hostserv, "HostServ", "HOSTSERV")
services_function(m_memoserv, "MemoServ", "MEMOSERV")
services_function(m_nickserv, "NickServ", "NICKSERV")
services_function(m_operserv, "OperServ", "OPERSERV")
services_function(m_seenserv, "SeenServ", "SEENSERV")
services_function(m_statserv, "StatServ", "STATSERV")

/*
 * get_string() 
 *
 * Reverse the array parv back into a normal string assuming
 * there are "parc" indicies in the array.
 *
 * Originally GetString() written by sidewndr.
 * Modified by Michael for use with hybrid-7.
*/
static void
get_string(int parc, char *parv[], char *buf)
{
  int ii = 0;
  int bw = 0;

  for (; ii < parc; ++ii)
    bw += ircsprintf(buf+bw, "%s ", parv[ii]);
  buf[bw-1] = '\0';
}

/*
 * clean_nick_name()
 *
 * input        - nickname
 * output       - none
 * side effects - walks through the nickname, returning 0 if erroneous
 */
static int
clean_nick_name(char *nick, int local)
{
  assert(nick);

  /* nicks can't start with a digit or - or be 0 length */
  /* This closer duplicates behaviour of hybrid-6 */

  if (*nick == '-' || (IsDigit(*nick) && local) || *nick == '\0')
    return 0;

  for (; *nick; ++nick)
    if (!IsNickChar(*nick))
      return 0;

  return 1;
}

/*
 * m_identify()
 *
 * parv[0] = sender prefix
 * parv[1] = NickServ Password or Channel
 * parv[2] = ChanServ Password
 */
static void
m_identify(struct Client *client_p, struct Client *source_p,
           int parc, char *parv[])
{
  struct Client *target_p = NULL;

  switch (parc)
  {
    case 2:
      if (!(target_p = find_server(SERVICES_NAME)))
        sendto_one(source_p, form_str(ERR_SERVICESDOWN),
                   me.name, source_p->name);
      else
        sendto_one(target_p, ":%s PRIVMSG NickServ@%s :IDENTIFY %s",
                   source_p->name, SERVICES_NAME, parv[1]);
      break;

    case 3:
      if (!(target_p = find_server(SERVICES_NAME)))
        sendto_one(source_p, form_str(ERR_SERVICESDOWN),
                   me.name, source_p->name);
      else
        sendto_one(target_p, ":%s PRIVMSG ChanServ@%s :IDENTIFY %s %s",
                   source_p->name, SERVICES_NAME, parv[1], parv[2]);
      break;

    default:
      sendto_one(source_p, ":%s NOTICE %s :Syntax: IDENTIFY <password> "
                 "- for nickname", me.name, source_p->name);
      sendto_one(source_p, ":%s NOTICE %s :Syntax: IDENTIFY <channel> "
                 "<password> - for channel", me.name, source_p->name);
      break;
  }
}

/*
 * deliver_services_msg()
 *
 * parv[0] = sender prefix
 * servmsg = message for services (utilising GetString())
 *
 * Borrowed from HybServ -- knight-
 */
static void
deliver_services_msg(const char *service, const char *command,
                     struct Client *client_p,
                     struct Client *source_p, int parc, char *parv[])
{
  struct Client *target_p = NULL;
  char buf[IRCD_BUFSIZE] = { '\0' };

  if (parc < 2 || *parv[1] == '\0')
  {
    sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
               me.name, source_p->name, command);
    return;
  }

  if (!(target_p = find_server(SERVICES_NAME)))
    sendto_one(source_p, form_str(ERR_SERVICESDOWN),
               me.name, source_p->name);
  else
  {
    get_string(parc - 1, parv + 1, buf);
    sendto_one(target_p, ":%s PRIVMSG %s@%s :%s",
               source_p->name, service, SERVICES_NAME, buf);
  }
}
Revision:	76
Committed:	Tue Oct 4 19:38:49 2005 UTC (19 years, 10 months ago) by adx
Content type:	text/x-csrc
File size:	12107 byte(s)
Log Message:	- fixed contrib #includes
#	Content
1	/*
2	* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3	* m_services.c: SVS commands and Services support
4	*
5	* Copyright (C) 2005 by the past and present ircd coders, and others.
6	*
7	* This program is free software; you can redistribute it and/or modify
8	* it under the terms of the GNU General Public License as published by
9	* the Free Software Foundation; either version 2 of the License, or
10	* (at your option) any later version.
11	*
12	* This program is distributed in the hope that it will be useful,
13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	* GNU General Public License for more details.
16	*
17	* You should have received a copy of the GNU General Public License
18	* along with this program; if not, write to the Free Software
19	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
20	* USA
21	*
22	* $Id$
23	*/
24	/*
25	*
26	* With code from 'bane' the URL following is valid as of this date.
27	* http://hybserv2.net/file/trunk/contrib/hybrid_services.c
28	*
29	*
30	* Copyright (C) 2002, 2003, 2004, 2005 by Dragan 'bane' Dosen and the
31	* Hybrid Development Team.
32	*
33	* Based on m_services.c, originally from bahamut ircd.
34	*
35	* Contact info:
36	*
37	* E-mail : bane@idolnet.org
38	* IRC : (*) bane, idolNET, irc.idolnet.org, #twilight_zone
39	*/
40
41	/* MODULE CONFIGURATION FOLLOWS -- please read!! */
42
43	/* Change this to the name of your services server
44	* otherwise the services aliases will not work!
45	*/
46	#define SERVICES_NAME "services.yournet.net"
47
48	/* END OF MODULE CONFIGURATION */
49
50	#include "stdinc.h"
51	#include "handlers.h"
52	#include "client.h"
53	#include "hash.h"
54	#include "ircd.h"
55	#include "numeric.h"
56	#include "s_conf.h"
57	#include "s_stats.h"
58	#include "s_user.h"
59	#include "whowas.h"
60	#include "s_serv.h"
61	#include "send.h"
62	#include "channel.h"
63	#include "resv.h"
64	#include "msg.h"
65	#include "parse.h"
66	#include "modules.h"
67	#include "common.h"
68	#include "packet.h"
69
70	/* Custom Macros */
71	#define services_function(a,b,c) static void a(struct Client *client_p,\
72	struct Client *source_p, int parc,\
73	char *parv[]) \
74	{ deliver_services_msg(b, c, client_p, source_p, parc, parv); }
75
76	static void mo_svsnick(struct Client , struct Client , int, char *[]);
77
78	static void m_botserv(struct Client , struct Client , int, char *[]);
79	static void m_chanserv(struct Client , struct Client , int, char *[]);
80	static void m_global(struct Client , struct Client , int, char *[]);
81	static void m_helpserv(struct Client , struct Client , int, char *[]);
82	static void m_hostserv(struct Client , struct Client , int, char *[]);
83	static void m_identify(struct Client , struct Client , int, char *[]);
84	static void m_memoserv(struct Client , struct Client , int, char *[]);
85	static void m_nickserv(struct Client , struct Client , int, char *[]);
86	static void m_operserv(struct Client , struct Client , int, char *[]);
87	static void m_seenserv(struct Client , struct Client , int, char *[]);
88	static void m_statserv(struct Client , struct Client , int, char *[]);
89
90	static void get_string(int, char [], char );
91	static int clean_nick_name(char *, int);
92	static void deliver_services_msg(const char , const char , struct Client *,
93	struct Client , int, char []);
94
95	/* SVS commands */
96	struct Message svsnick_msgtab = {
97	"SVSNICK", 0, 0, 3, 0, MFLG_SLOW, 0,
98	{m_unregistered, m_not_oper, mo_svsnick, mo_svsnick, mo_svsnick, m_ignore}
99	};
100
101	/* Services */
102	struct Message botserv_msgtab = {
103	"BOTSERV", 0, 0, 1, 0, MFLG_SLOW, 0,
104	{m_unregistered, m_botserv, m_ignore, m_ignore, m_botserv, m_ignore}
105	};
106
107	struct Message chanserv_msgtab = {
108	"CHANSERV", 0, 0, 1, 0, MFLG_SLOW, 0,
109	{m_unregistered, m_chanserv, m_ignore, m_ignore, m_chanserv, m_ignore}
110	};
111
112	struct Message global_msgtab = {
113	"GLOBAL", 0, 0, 1, 0, MFLG_SLOW, 0,
114	{m_unregistered, m_global, m_ignore, m_ignore, m_global, m_ignore}
115	};
116
117	struct Message helpserv_msgtab = {
118	"HELPSERV", 0, 0, 1, 0, MFLG_SLOW, 0,
119	{m_unregistered, m_helpserv, m_ignore, m_ignore, m_helpserv, m_ignore}
120	};
121
122	struct Message hostserv_msgtab = {
123	"HOSTSERV", 0, 0, 1, 0, MFLG_SLOW, 0,
124	{m_unregistered, m_hostserv, m_ignore, m_ignore, m_hostserv, m_ignore}
125	};
126
127	struct Message memoserv_msgtab = {
128	"MEMOSERV", 0, 0, 1, 0, MFLG_SLOW, 0,
129	{m_unregistered, m_memoserv, m_ignore, m_ignore, m_memoserv, m_ignore}
130	};
131
132	struct Message nickserv_msgtab = {
133	"NICKSERV", 0, 0, 1, 0, MFLG_SLOW, 0,
134	{m_unregistered, m_nickserv, m_ignore, m_ignore, m_nickserv, m_ignore}
135	};
136
137	struct Message operserv_msgtab = {
138	"OPERSERV", 0, 0, 1, 0, MFLG_SLOW, 0,
139	{m_unregistered, m_operserv, m_ignore, m_ignore, m_operserv, m_ignore}
140	};
141
142	struct Message seenserv_msgtab = {
143	"SEENSERV", 0, 0, 1, 0, MFLG_SLOW, 0,
144	{m_unregistered, m_seenserv, m_ignore, m_ignore, m_seenserv, m_ignore}
145	};
146
147	struct Message statserv_msgtab = {
148	"STATSERV", 0, 0, 1, 0, MFLG_SLOW, 0,
149	{m_unregistered, m_statserv, m_ignore, m_ignore, m_statserv, m_ignore}
150	};
151
152	/* Short-hand aliases for NickServ, ChanServ, MemoServ and OperServ */
153	struct Message cs_msgtab = {
154	"CS", 0, 0, 1, 0, MFLG_SLOW, 0,
155	{m_unregistered, m_chanserv, m_ignore, m_ignore, m_chanserv, m_ignore}
156	};
157
158	struct Message identify_msgtab = {
159	"IDENTIFY", 0, 0, 0, 2, MFLG_SLOW, 0,
160	{m_unregistered, m_identify, m_ignore, m_ignore, m_identify, m_ignore}
161	};
162
163	struct Message ms_msgtab = {
164	"MS", 0, 0, 1, 0, MFLG_SLOW, 0,
165	{m_unregistered, m_memoserv, m_ignore, m_ignore, m_memoserv, m_ignore}
166	};
167
168	struct Message ns_msgtab = {
169	"NS", 0, 0, 1, 0, MFLG_SLOW, 0,
170	{m_unregistered, m_nickserv, m_ignore, m_ignore, m_nickserv, m_ignore}
171	};
172
173	struct Message os_msgtab = {
174	"OS", 0, 0, 1, 0, MFLG_SLOW, 0,
175	{m_unregistered, m_operserv, m_ignore, m_ignore, m_operserv, m_ignore}
176	};
177
178	#ifndef STATIC_MODULES
179	void
180	_modinit(void)
181	{
182	mod_add_cmd(&svsnick_msgtab);
183	mod_add_cmd(&botserv_msgtab);
184	mod_add_cmd(&chanserv_msgtab);
185	mod_add_cmd(&global_msgtab);
186	mod_add_cmd(&helpserv_msgtab);
187	mod_add_cmd(&hostserv_msgtab);
188	mod_add_cmd(&identify_msgtab);
189	mod_add_cmd(&memoserv_msgtab);
190	mod_add_cmd(&nickserv_msgtab);
191	mod_add_cmd(&operserv_msgtab);
192	mod_add_cmd(&seenserv_msgtab);
193	mod_add_cmd(&statserv_msgtab);
194	mod_add_cmd(&ns_msgtab);
195	mod_add_cmd(&cs_msgtab);
196	mod_add_cmd(&ms_msgtab);
197	mod_add_cmd(&os_msgtab);
198	}
199
200	void
201	_moddeinit(void)
202	{
203	mod_del_cmd(&svsnick_msgtab);
204	mod_del_cmd(&botserv_msgtab);
205	mod_del_cmd(&chanserv_msgtab);
206	mod_del_cmd(&global_msgtab);
207	mod_del_cmd(&helpserv_msgtab);
208	mod_del_cmd(&hostserv_msgtab);
209	mod_del_cmd(&identify_msgtab);
210	mod_del_cmd(&memoserv_msgtab);
211	mod_del_cmd(&nickserv_msgtab);
212	mod_del_cmd(&operserv_msgtab);
213	mod_del_cmd(&seenserv_msgtab);
214	mod_del_cmd(&statserv_msgtab);
215	mod_del_cmd(&ns_msgtab);
216	mod_del_cmd(&cs_msgtab);
217	mod_del_cmd(&ms_msgtab);
218	mod_del_cmd(&os_msgtab);
219	}
220
221	const char *_version = "$Revision$";
222	#endif
223
224	/*
225	* mo_svsnick()
226	*
227	* parv[0] = sender prefix
228	* parv[1] = user to force
229	* parv[2] = nick to force them to
230	*/
231	static void
232	mo_svsnick(struct Client client_p, struct Client source_p,
233	int parc, char *parv[])
234	{
235	char newnick[NICKLEN];
236	struct Client *target_p = NULL;
237
238	if (MyClient(source_p) && !IsOperAdmin(source_p))
239	{
240	sendto_one(source_p, form_str(ERR_NOPRIVS),
241	me.name, parv[0], "SVSNICK");
242	return;
243	}
244
245	if (parc < 3 \|\| *parv[2] == '\0')
246	{
247	sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
248	me.name, parv[0], "SVSNICK");
249	return;
250	}
251
252	if ((target_p = find_person(client_p, parv[1])) == NULL)
253	{
254	sendto_one(source_p, form_str(ERR_NOSUCHNICK),
255	me.name, parv[0], parv[1]);
256	return;
257	}
258
259	/* terminate nick to NICKLEN */
260	strlcpy(newnick, parv[2], sizeof(newnick));
261
262	if (!clean_nick_name(newnick, 1))
263	{
264	if (IsClient(source_p))
265	sendto_one(source_p, ":%s NOTICE %s :*** Notice -- Invalid new ",
266	"nickname: %s", me.name, parv[0], newnick);
267	return;
268	}
269
270	if (find_client(newnick) != NULL)
271	{
272	if (IsClient(source_p))
273	sendto_one(source_p, ":%s NOTICE %s :*** Notice -- Nickname %s is "
274	"already in use", me.name, parv[0], newnick);
275	return;
276	}
277
278	if (MyConnect(target_p))
279	change_local_nick(&me, target_p, newnick);
280	else
281	sendto_one(target_p, ":%s ENCAP %s SVSNICK %s %s",
282	me.name, target_p->servptr->name, ID(target_p), newnick);
283	}
284
285	/*
286	* These generate the services functions through
287	* a macro.
288	*/
289	services_function(m_botserv, "BotServ", "BOTSERV" )
290	services_function(m_chanserv, "ChanServ", "CHANSERV")
291	services_function(m_global, "Global", "GLOBAL" )
292	services_function(m_helpserv, "HelpServ", "HELPSERV")
293	services_function(m_hostserv, "HostServ", "HOSTSERV")
294	services_function(m_memoserv, "MemoServ", "MEMOSERV")
295	services_function(m_nickserv, "NickServ", "NICKSERV")
296	services_function(m_operserv, "OperServ", "OPERSERV")
297	services_function(m_seenserv, "SeenServ", "SEENSERV")
298	services_function(m_statserv, "StatServ", "STATSERV")
299
300	/*
301	* get_string()
302	*
303	* Reverse the array parv back into a normal string assuming
304	* there are "parc" indicies in the array.
305	*
306	* Originally GetString() written by sidewndr.
307	* Modified by Michael for use with hybrid-7.
308	*/
309	static void
310	get_string(int parc, char parv[], char buf)
311	{
312	int ii = 0;
313	int bw = 0;
314
315	for (; ii < parc; ++ii)
316	bw += ircsprintf(buf+bw, "%s ", parv[ii]);
317	buf[bw-1] = '\0';
318	}
319
320	/*
321	* clean_nick_name()
322	*
323	* input - nickname
324	* output - none
325	* side effects - walks through the nickname, returning 0 if erroneous
326	*/
327	static int
328	clean_nick_name(char *nick, int local)
329	{
330	assert(nick);
331
332	/* nicks can't start with a digit or - or be 0 length */
333	/* This closer duplicates behaviour of hybrid-6 */
334
335	if (nick == '-' \|\| (IsDigit(nick) && local) \|\| *nick == '\0')
336	return 0;
337
338	for (; *nick; ++nick)
339	if (!IsNickChar(*nick))
340	return 0;
341
342	return 1;
343	}
344
345	/*
346	* m_identify()
347	*
348	* parv[0] = sender prefix
349	* parv[1] = NickServ Password or Channel
350	* parv[2] = ChanServ Password
351	*/
352	static void
353	m_identify(struct Client client_p, struct Client source_p,
354	int parc, char *parv[])
355	{
356	struct Client *target_p = NULL;
357
358	switch (parc)
359	{
360	case 2:
361	if (!(target_p = find_server(SERVICES_NAME)))
362	sendto_one(source_p, form_str(ERR_SERVICESDOWN),
363	me.name, source_p->name);
364	else
365	sendto_one(target_p, ":%s PRIVMSG NickServ@%s :IDENTIFY %s",
366	source_p->name, SERVICES_NAME, parv[1]);
367	break;
368
369	case 3:
370	if (!(target_p = find_server(SERVICES_NAME)))
371	sendto_one(source_p, form_str(ERR_SERVICESDOWN),
372	me.name, source_p->name);
373	else
374	sendto_one(target_p, ":%s PRIVMSG ChanServ@%s :IDENTIFY %s %s",
375	source_p->name, SERVICES_NAME, parv[1], parv[2]);
376	break;
377
378	default:
379	sendto_one(source_p, ":%s NOTICE %s :Syntax: IDENTIFY <password> "
380	"- for nickname", me.name, source_p->name);
381	sendto_one(source_p, ":%s NOTICE %s :Syntax: IDENTIFY <channel> "
382	"<password> - for channel", me.name, source_p->name);
383	break;
384	}
385	}
386
387	/*
388	* deliver_services_msg()
389	*
390	* parv[0] = sender prefix
391	* servmsg = message for services (utilising GetString())
392	*
393	* Borrowed from HybServ -- knight-
394	*/
395	static void
396	deliver_services_msg(const char service, const char command,
397	struct Client *client_p,
398	struct Client source_p, int parc, char parv[])
399	{
400	struct Client *target_p = NULL;
401	char buf[IRCD_BUFSIZE] = { '\0' };
402
403	if (parc < 2 \|\| *parv[1] == '\0')
404	{
405	sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
406	me.name, source_p->name, command);
407	return;
408	}
409
410	if (!(target_p = find_server(SERVICES_NAME)))
411	sendto_one(source_p, form_str(ERR_SERVICESDOWN),
412	me.name, source_p->name);
413	else
414	{
415	get_string(parc - 1, parv + 1, buf);
416	sendto_one(target_p, ":%s PRIVMSG %s@%s :%s",
417	source_p->name, service, SERVICES_NAME, buf);
418	}
419	}