ircd-hybrid/modules/m_accept.c

/*
 *  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
 *  m_accept.c: Allows a user to talk to a +g user.
 *
 *  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 "handlers.h"
#include "client.h"
#include "ircd.h"
#include "numeric.h"
#include "s_conf.h"
#include "s_serv.h"
#include "send.h"
#include "msg.h"
#include "parse.h"
#include "s_user.h"
#include "modules.h"

static void m_accept(struct Client *, struct Client *, int, char *[]);
static void add_accept(const char *, const char *, const char *, struct Client *);
static void list_accepts(struct Client *);

struct Message accept_msgtab = {
  "ACCEPT", 0, 0, 0, 0, MFLG_SLOW, 0,
  { m_unregistered, m_accept, m_ignore, m_ignore, m_accept, m_ignore }
};

#ifndef STATIC_MODULES
void
_modinit(void)
{
  mod_add_cmd(&accept_msgtab);
}

void
_moddeinit(void)
{
  mod_del_cmd(&accept_msgtab);
}

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

/*
 * m_accept - ACCEPT command handler
 *      parv[0] = sender prefix
 *      parv[1] = list of masks to be accepted or removed
 */
static void
m_accept(struct Client *client_p, struct Client *source_p,
         int parc, char *parv[])
{
  struct Accept *accept = NULL;
  char *mask, *nick, *user, *host;
  char *p = NULL;

  if (parc < 2 || !irccmp(parv[1], "*"))
  {
    list_accepts(source_p);
    return;
  }

  for (mask = strtoken(&p, parv[1], ","); mask != NULL;
       mask = strtoken(&p,    NULL, ","))
  {
    if (*mask == '-' && *++mask != '\0')
    {
      split_nuh(mask, &nick, &user, &host);

      if ((accept = find_accept(nick, user, host, source_p, 0)) == NULL)
      {
        sendto_one(source_p, form_str(ERR_ACCEPTNOT),
                   me.name, source_p->name, nick, user, host);
        MyFree(nick);
        MyFree(user);
        MyFree(host);
        continue;
      }

      del_accept(accept, source_p);

      MyFree(nick);
      MyFree(user);
      MyFree(host);
    }
    else if (*mask != '\0')
    {
      split_nuh(mask, &nick, &user, &host);

      if ((accept = find_accept(nick, user, host, source_p, 0)) != NULL)
      {
        sendto_one(source_p, form_str(ERR_ACCEPTEXIST),
                   me.name, source_p->name, nick, user, host);
        MyFree(nick);
        MyFree(user);
        MyFree(host);
        continue;
      }

      if (dlink_list_length(&source_p->localClient->acceptlist) >=
          ConfigFileEntry.max_accept)
      {
        sendto_one(source_p, form_str(ERR_ACCEPTFULL),
                   me.name, source_p->name);
        MyFree(nick);
        MyFree(user);
        MyFree(host);
        return;
      }

      add_accept(nick, user, host, source_p);

      MyFree(nick);
      MyFree(user);
      MyFree(host);
    }
  }
}

/* add_accept()
 *
 * input        - nick
 *              - username
 *              - host
 *              - pointer to client to add to acceptlist
 * output       - none
 * side effects - target is added to clients list
 */
static void
add_accept(const char *nick, const char *user,
           const char *host, struct Client *source_p)
{
  struct Accept *accept = MyMalloc(sizeof(*accept));

  DupString(accept->nick, nick);
  DupString(accept->user, user);
  DupString(accept->host, host);

  dlinkAdd(accept, &accept->node, &source_p->localClient->acceptlist);

  list_accepts(source_p);
}

/* list_accepts()
 *
 * input        - pointer to client
 * output       - none
 * side effects - print accept list to client
 */
static void
list_accepts(struct Client *source_p)
{
  struct Accept *accept;
  int len = 0;
  char nuh_list[IRCD_BUFSIZE] = { '\0' };
  char *t = nuh_list;
  const dlink_node *ptr = NULL;

  len = strlen(me.name) + strlen(source_p->name) + 12;

  DLINK_FOREACH(ptr, source_p->localClient->acceptlist.head)
  {
    accept = ptr->data;

    if ((t - nuh_list) + strlen(source_p->name) + len > IRCD_BUFSIZE)
    {
      *(t - 1) = '\0';
      sendto_one(source_p, form_str(RPL_ACCEPTLIST),
                 me.name, source_p->name, nuh_list);
      t = nuh_list;
    }

    t += ircsprintf(t, "%s!%s@%s ",
                    accept->nick, accept->user, accept->host);
  }

  if (nuh_list[0] != '\0')
  {
    *(t - 1) = '\0';
    sendto_one(source_p, form_str(RPL_ACCEPTLIST),
               me.name, source_p->name, nuh_list);
  }

  sendto_one(source_p, form_str(RPL_ENDOFACCEPT),
             me.name, source_p->name);
}
Revision:	240
Committed:	Sat Nov 5 18:03:59 2005 UTC (20 years, 9 months ago) by michael
Content type:	text/x-csrc
File size:	5077 byte(s)
Log Message:	- Forgot to remove accept_num, we dont need it anymore.
#	User	Rev	Content
1	adx	30	/*
2			* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3			* m_accept.c: Allows a user to talk to a +g user.
4			*
5			* Copyright (C) 2002 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	knight	31	* $Id$
23	adx	30	*/
24
25			#include "stdinc.h"
26			#include "handlers.h"
27			#include "client.h"
28			#include "ircd.h"
29			#include "numeric.h"
30			#include "s_conf.h"
31			#include "s_serv.h"
32			#include "send.h"
33			#include "msg.h"
34			#include "parse.h"
35			#include "s_user.h"
36			#include "modules.h"
37
38			static void m_accept(struct Client , struct Client , int, char *[]);
39	michael	235	static void add_accept(const char , const char , const char , struct Client );
40	adx	30	static void list_accepts(struct Client *);
41
42			struct Message accept_msgtab = {
43	michael	235	"ACCEPT", 0, 0, 0, 0, MFLG_SLOW, 0,
44			{ m_unregistered, m_accept, m_ignore, m_ignore, m_accept, m_ignore }
45	adx	30	};
46
47			#ifndef STATIC_MODULES
48			void
49			_modinit(void)
50			{
51			mod_add_cmd(&accept_msgtab);
52			}
53
54			void
55			_moddeinit(void)
56			{
57			mod_del_cmd(&accept_msgtab);
58			}
59
60	knight	31	const char *_version = "$Revision$";
61	adx	30	#endif
62
63			/*
64			* m_accept - ACCEPT command handler
65			* parv[0] = sender prefix
66	michael	239	* parv[1] = list of masks to be accepted or removed
67	adx	30	*/
68			static void
69			m_accept(struct Client client_p, struct Client source_p,
70			int parc, char *parv[])
71			{
72	michael	235	struct Accept *accept = NULL;
73	db	232	char mask, nick, user, host;
74	adx	30	char *p = NULL;
75	michael	240
76	michael	239	if (parc < 2 \|\| !irccmp(parv[1], "*"))
77	adx	30	{
78			list_accepts(source_p);
79			return;
80			}
81
82	michael	239	for (mask = strtoken(&p, parv[1], ","); mask != NULL;
83			mask = strtoken(&p, NULL, ","))
84	adx	30	{
85	michael	239	if (mask == '-' && ++mask != '\0')
86	adx	30	{
87	michael	239	split_nuh(mask, &nick, &user, &host);
88	adx	30
89	michael	239	if ((accept = find_accept(nick, user, host, source_p, 0)) == NULL)
90			{
91			sendto_one(source_p, form_str(ERR_ACCEPTNOT),
92			me.name, source_p->name, nick, user, host);
93			MyFree(nick);
94			MyFree(user);
95			MyFree(host);
96			continue;
97			}
98	michael	235
99	michael	239	del_accept(accept, source_p);
100	adx	30
101	michael	235	MyFree(nick);
102			MyFree(user);
103			MyFree(host);
104	adx	30	}
105	michael	239	else if (*mask != '\0')
106			{
107			split_nuh(mask, &nick, &user, &host);
108	adx	30
109	michael	239	if ((accept = find_accept(nick, user, host, source_p, 0)) != NULL)
110			{
111			sendto_one(source_p, form_str(ERR_ACCEPTEXIST),
112			me.name, source_p->name, nick, user, host);
113			MyFree(nick);
114			MyFree(user);
115			MyFree(host);
116			continue;
117			}
118
119			if (dlink_list_length(&source_p->localClient->acceptlist) >=
120			ConfigFileEntry.max_accept)
121			{
122			sendto_one(source_p, form_str(ERR_ACCEPTFULL),
123			me.name, source_p->name);
124			MyFree(nick);
125			MyFree(user);
126			MyFree(host);
127			return;
128			}
129
130			add_accept(nick, user, host, source_p);
131	michael	240
132	michael	235	MyFree(nick);
133			MyFree(user);
134			MyFree(host);
135	adx	30	}
136			}
137			}
138
139			/* add_accept()
140			*
141	db	232	* input - nick
142			* - username
143			* - host
144			* - pointer to client to add to acceptlist
145	adx	30	* output - none
146			* side effects - target is added to clients list
147			*/
148			static void
149	michael	235	add_accept(const char nick, const char user,
150			const char host, struct Client source_p)
151	adx	30	{
152	michael	235	struct Accept accept = MyMalloc(sizeof(accept));
153
154			DupString(accept->nick, nick);
155			DupString(accept->user, user);
156	db	232	DupString(accept->host, host);
157	michael	235
158	db	232	dlinkAdd(accept, &accept->node, &source_p->localClient->acceptlist);
159
160	adx	30	list_accepts(source_p);
161			}
162
163			/* list_accepts()
164			*
165			* input - pointer to client
166			* output - none
167			* side effects - print accept list to client
168			*/
169			static void
170			list_accepts(struct Client *source_p)
171			{
172	db	232	struct Accept *accept;
173	adx	30	int len = 0;
174	db	232	char nuh_list[IRCD_BUFSIZE] = { '\0' };
175			char *t = nuh_list;
176	adx	30	const dlink_node *ptr = NULL;
177
178			len = strlen(me.name) + strlen(source_p->name) + 12;
179
180	db	232	DLINK_FOREACH(ptr, source_p->localClient->acceptlist.head)
181	adx	30	{
182	db	232	accept = ptr->data;
183	adx	30
184	db	232	if ((t - nuh_list) + strlen(source_p->name) + len > IRCD_BUFSIZE)
185	adx	30	{
186			*(t - 1) = '\0';
187			sendto_one(source_p, form_str(RPL_ACCEPTLIST),
188	db	232	me.name, source_p->name, nuh_list);
189			t = nuh_list;
190	adx	30	}
191
192	db	232	t += ircsprintf(t, "%s!%s@%s ",
193	michael	235	accept->nick, accept->user, accept->host);
194	adx	30	}
195
196	db	232	if (nuh_list[0] != '\0')
197	adx	30	{
198			*(t - 1) = '\0';
199			sendto_one(source_p, form_str(RPL_ACCEPTLIST),
200	db	232	me.name, source_p->name, nuh_list);
201	adx	30	}
202
203			sendto_one(source_p, form_str(RPL_ENDOFACCEPT),
204			me.name, source_p->name);
205			}