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 "conf/modules.h"

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

INIT_MODULE(m_accept, "$Revision$")
{
  mod_add_cmd(&accept_msgtab);
}

CLEANUP_MODULE
{
  mod_del_cmd(&accept_msgtab);
}

/*! \brief ACCEPT command handler
 *
 * \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] = list of masks to be accepted or removed (optional)
 */
static void
m_accept(struct Client *client_p, struct Client *source_p,
         int parc, char *parv[])
{
  struct Accept *acceptvar = NULL;
  char *mask = NULL;
  char nick[NICKLEN + 1];
  char user[USERLEN + 1];
  char host[HOSTLEN + 1];
  char first, *p = NULL;
  struct split_nuh_item nuh;

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

  for (mask = strtoken(&p, parv[1], ","), first = YES; mask != NULL;
       mask = strtoken(&p,    NULL, ","), first = NO)
  {
    if (*mask == '-' && *++mask != '\0')
    {
      nuh.nuhmask  = mask;
      nuh.nickptr  = nick;
      nuh.userptr  = user;
      nuh.hostptr  = host;

      nuh.nicksize = sizeof(nick);
      nuh.usersize = sizeof(user);
      nuh.hostsize = sizeof(host);

      split_nuh(&nuh);

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

      del_accept(acceptvar, source_p);
    }
    else if (*mask != '\0')
    {
      if (dlink_list_length(&source_p->localClient->acceptlist) >=
          ConfigFileEntry.max_accept)
      {
        sendto_one(source_p, form_str(ERR_ACCEPTFULL),
                   me.name, source_p->name);
        return;
      }

      nuh.nuhmask  = mask;
      nuh.nickptr  = nick;
      nuh.userptr  = user;
      nuh.hostptr  = host;

      nuh.nicksize = sizeof(nick);
      nuh.usersize = sizeof(user);
      nuh.hostsize = sizeof(host);

      split_nuh(&nuh);

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

      add_accept(&nuh, source_p);
    }
  }
}

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

  DupString(acceptvar->nick, nuh->nickptr);
  DupString(acceptvar->user, nuh->userptr);
  DupString(acceptvar->host, nuh->hostptr);

  dlinkAdd(acceptvar, &acceptvar->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 *acceptvar = NULL;
  int len = 0;
  char nuh_list[IRCD_BUFSIZE] = { '\0' };
  char *t = NULL;
  const dlink_node *ptr = NULL;

  len = ircsprintf(nuh_list, form_str(RPL_ACCEPTLIST),
                   me.name, source_p->name);
  t = nuh_list + len;

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

    if ((t - nuh_list) + (strlen(acceptvar->nick) + 1 + strlen(acceptvar->user) + 1 +
        strlen(acceptvar->host)) > IRCD_BUFSIZE)
    {
      *(t - 1) = '\0';
      sendto_one(source_p, "%s", nuh_list);
      t = nuh_list + len;
    }

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

  if (t - nuh_list > len)
  {
    *(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:	470
Committed:	Fri Feb 17 05:07:43 2006 UTC (20 years, 5 months ago) by db
Content type:	text/x-csrc
File size:	5985 byte(s)
Log Message:	- fix compile errors with moved modules.h - fix a few missing includes, msg.h and parse.h
#	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	db	470	#include "conf/modules.h"
37	adx	30
38			static void m_accept(struct Client , struct Client , int, char *[]);
39	michael	357	static void add_accept(const struct split_nuh_item , 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	adx	442	INIT_MODULE(m_accept, "$Revision$")
48	adx	30	{
49			mod_add_cmd(&accept_msgtab);
50			}
51
52	adx	442	CLEANUP_MODULE
53	adx	30	{
54			mod_del_cmd(&accept_msgtab);
55			}
56
57	michael	345	/*! \brief ACCEPT command handler
58			*
59			* \param client_p Pointer to allocated Client struct with physical connection
60			* to this server, i.e. with an open socket connected.
61			* \param source_p Pointer to allocated Client struct from which the message
62			* originally comes from. This can be a local or remote client.
63			* \param parc Integer holding the number of supplied arguments.
64			* \param parv Argument vector where parv[0] .. parv[parc-1] are non-NULL
65			* pointers.
66			* \note Valid arguments for this command are:
67			* - parv[0] = sender prefix
68			* - parv[1] = list of masks to be accepted or removed (optional)
69	adx	30	*/
70			static void
71			m_accept(struct Client client_p, struct Client source_p,
72			int parc, char *parv[])
73			{
74	metalrock	362	struct Accept *acceptvar = NULL;
75	michael	357	char *mask = NULL;
76			char nick[NICKLEN + 1];
77			char user[USERLEN + 1];
78			char host[HOSTLEN + 1];
79	adx	271	char first, *p = NULL;
80	michael	357	struct split_nuh_item nuh;
81	michael	240
82	adx	271	if (EmptyString(parv[1]) \|\| !irccmp(parv[1], "*"))
83	adx	30	{
84			list_accepts(source_p);
85			return;
86			}
87
88	adx	271	for (mask = strtoken(&p, parv[1], ","), first = YES; mask != NULL;
89			mask = strtoken(&p, NULL, ","), first = NO)
90	adx	30	{
91	michael	239	if (mask == '-' && ++mask != '\0')
92	adx	30	{
93	michael	357	nuh.nuhmask = mask;
94			nuh.nickptr = nick;
95			nuh.userptr = user;
96			nuh.hostptr = host;
97	adx	30
98	michael	357	nuh.nicksize = sizeof(nick);
99			nuh.usersize = sizeof(user);
100			nuh.hostsize = sizeof(host);
101
102			split_nuh(&nuh);
103
104	metalrock	362	if ((acceptvar = find_accept(nick, user, host, source_p, 0)) == NULL)
105	michael	239	{
106	adx	271	if (first)
107			sendto_one(source_p, form_str(ERR_ACCEPTNOT),
108			me.name, source_p->name, nick, user, host);
109	michael	239	continue;
110			}
111	michael	235
112	metalrock	362	del_accept(acceptvar, source_p);
113	adx	30	}
114	michael	239	else if (*mask != '\0')
115			{
116	db	241	if (dlink_list_length(&source_p->localClient->acceptlist) >=
117			ConfigFileEntry.max_accept)
118			{
119			sendto_one(source_p, form_str(ERR_ACCEPTFULL),
120			me.name, source_p->name);
121	adx	271	return;
122	db	241	}
123
124	michael	357	nuh.nuhmask = mask;
125			nuh.nickptr = nick;
126			nuh.userptr = user;
127			nuh.hostptr = host;
128	adx	30
129	michael	357	nuh.nicksize = sizeof(nick);
130			nuh.usersize = sizeof(user);
131			nuh.hostsize = sizeof(host);
132
133			split_nuh(&nuh);
134
135	metalrock	362	if ((acceptvar = find_accept(nick, user, host, source_p, 0)) != NULL)
136	michael	239	{
137	adx	271	if (first)
138			sendto_one(source_p, form_str(ERR_ACCEPTEXIST),
139			me.name, source_p->name, nick, user, host);
140	michael	239	continue;
141			}
142	michael	357
143			add_accept(&nuh, source_p);
144	adx	30	}
145			}
146			}
147
148			/* add_accept()
149			*
150	db	241	* input - pointer to preallocated nick
151			* - pointer to preallocated username
152			* - pointer to preallocated host
153	db	232	* - pointer to client to add to acceptlist
154	adx	30	* output - none
155			* side effects - target is added to clients list
156			*/
157			static void
158	michael	357	add_accept(const struct split_nuh_item nuh, struct Client source_p)
159	adx	30	{
160	metalrock	362	struct Accept acceptvar = MyMalloc(sizeof(acceptvar));
161	michael	235
162	metalrock	362	DupString(acceptvar->nick, nuh->nickptr);
163			DupString(acceptvar->user, nuh->userptr);
164			DupString(acceptvar->host, nuh->hostptr);
165	michael	235
166	metalrock	362	dlinkAdd(acceptvar, &acceptvar->node, &source_p->localClient->acceptlist);
167	db	232
168	adx	30	list_accepts(source_p);
169			}
170
171			/* list_accepts()
172			*
173			* input - pointer to client
174			* output - none
175			* side effects - print accept list to client
176			*/
177			static void
178			list_accepts(struct Client *source_p)
179			{
180	metalrock	362	struct Accept *acceptvar = NULL;
181	adx	30	int len = 0;
182	db	232	char nuh_list[IRCD_BUFSIZE] = { '\0' };
183	michael	357	char *t = NULL;
184	adx	30	const dlink_node *ptr = NULL;
185
186	michael	357	len = ircsprintf(nuh_list, form_str(RPL_ACCEPTLIST),
187			me.name, source_p->name);
188	adx	271	t = nuh_list + len;
189	adx	30
190	db	232	DLINK_FOREACH(ptr, source_p->localClient->acceptlist.head)
191	adx	30	{
192	metalrock	362	acceptvar = ptr->data;
193	adx	30
194	metalrock	362	if ((t - nuh_list) + (strlen(acceptvar->nick) + 1 + strlen(acceptvar->user) + 1 +
195			strlen(acceptvar->host)) > IRCD_BUFSIZE)
196	adx	30	{
197			*(t - 1) = '\0';
198	adx	271	sendto_one(source_p, "%s", nuh_list);
199			t = nuh_list + len;
200	adx	30	}
201
202	db	232	t += ircsprintf(t, "%s!%s@%s ",
203	metalrock	362	acceptvar->nick, acceptvar->user, acceptvar->host);
204	adx	30	}
205
206	adx	271	if (t - nuh_list > len)
207	adx	30	{
208			*(t - 1) = '\0';
209			sendto_one(source_p, form_str(RPL_ACCEPTLIST),
210	db	232	me.name, source_p->name, nuh_list);
211	adx	30	}
212
213			sendto_one(source_p, form_str(RPL_ENDOFACCEPT),
214			me.name, source_p->name);
215			}