8.2.x/modules/m_unxline.c

/*
 *  ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
 *
 *  Copyright (c) 2003-2015 ircd-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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
 *  USA
 */

/*! \file m_unxline.c
 * \brief Includes required functions for processing the UNXLINE command.
 * \version $Id$
 */

#include "stdinc.h"
#include "list.h"
#include "client.h"
#include "irc_string.h"
#include "ircd.h"
#include "conf.h"
#include "numeric.h"
#include "log.h"
#include "send.h"
#include "server.h"
#include "parse.h"
#include "modules.h"
#include "conf_db.h"
#include "memory.h"


/* static int remove_tkline_match(const char *host, const char *user)
 *
 * Inputs:      gecos
 * Output:      returns YES on success, NO if no tkline removed.
 * Side effects: Any matching tklines are removed.
 */
static int
remove_xline_exact(const char *gecos)
{
  dlink_node *node = NULL;

  DLINK_FOREACH(node, xconf_items.head)
  {
    struct MaskItem *conf = node->data;

    if (!IsConfDatabase(conf))
      continue;

    if (!irccmp(gecos, conf->name))
    {
      conf_free(conf);
      return 1;
    }
  }

  return 0;
}

static void
remove_xline(struct Client *source_p, const char *gecos)
{
  if (remove_xline_exact(gecos))
  {
    if (IsClient(source_p))
      sendto_one_notice(source_p, &me, ":X-Line for [%s] is removed", gecos);

    sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
                         "%s has removed the X-Line for: [%s]",
                         get_oper_name(source_p), gecos);
    ilog(LOG_TYPE_XLINE, "%s removed X-Line for [%s]",
         get_oper_name(source_p), gecos);
  }
  else if (IsClient(source_p))
    sendto_one_notice(source_p, &me, ":No X-Line for %s", gecos);
}

/*! \brief UNXLINE command handler
 *
 * \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] = command
 *      - parv[1] = gecos
 *      - parv[2] = "ON"
 *      - parv[3] = target server
 */
static int
mo_unxline(struct Client *source_p, int parc, char *parv[])
{
  char *gecos = NULL;
  char *target_server = NULL;

  if (!HasOFlag(source_p, OPER_FLAG_UNXLINE))
  {
    sendto_one_numeric(source_p, &me, ERR_NOPRIVS, "unxline");
    return 0;
  }

  /* UNXLINE bill ON irc.server.com */
  if (!parse_aline("UNXLINE", source_p, parc, parv, 0, &gecos,
                   NULL, NULL, &target_server, NULL))
    return 0;

  if (target_server)
  {
    sendto_match_servs(source_p, target_server, CAP_CLUSTER,
                       "UNXLINE %s %s", target_server, gecos);

    /* Allow ON to apply local unxline as well if it matches */
    if (match(target_server, me.name))
      return 0;
  }
  else
    cluster_a_line(source_p, "UNXLINE", CAP_CLUSTER, SHARED_UNXLINE, "%s", gecos);

  remove_xline(source_p, gecos);
  return 0;
}

/*! \brief UNXLINE command handler
 *
 * \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] = command
 *      - parv[1] = target server
 *      - parv[2] = gecos
 */
static int
ms_unxline(struct Client *source_p, int parc, char *parv[])
{
  if (parc != 3 || EmptyString(parv[2]))
    return 0;

  sendto_match_servs(source_p, parv[1], CAP_CLUSTER, "UNXLINE %s %s",
                     parv[1], parv[2]);

  if (match(parv[1], me.name))
    return 0;

  if (HasFlag(source_p, FLAGS_SERVICE) ||
      find_matching_name_conf(CONF_ULINE, source_p->servptr->name,
                              source_p->username, source_p->host,
                              SHARED_UNXLINE))
    remove_xline(source_p, parv[2]);
  return 0;
}

static struct Message unxline_msgtab =
{
  "UNXLINE", NULL, 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
  { m_unregistered, m_not_oper, ms_unxline, m_ignore, mo_unxline, m_ignore }
};

static void
module_init(void)
{
  mod_add_cmd(&unxline_msgtab);
}

static void
module_exit(void)
{
  mod_del_cmd(&unxline_msgtab);
}

struct module module_entry =
{
  .node    = { NULL, NULL, NULL },
  .name    = NULL,
  .version = "$Revision$",
  .handle  = NULL,
  .modinit = module_init,
  .modexit = module_exit,
  .flags   = 0
};
Revision:	5775
Committed:	Sat Apr 4 17:31:06 2015 UTC (10 years, 4 months ago) by michael
Content type:	text/x-csrc
File size:	5357 byte(s)
Log Message:	- Changed some function to void if we don't need a return value - Have some other functions return saner values
#	User	Rev	Content
1	michael	3352	/*
2			* ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3			*
4	michael	5346	* Copyright (c) 2003-2015 ircd-hybrid development team
5	michael	3352	*
6			* This program is free software; you can redistribute it and/or modify
7			* it under the terms of the GNU General Public License as published by
8			* the Free Software Foundation; either version 2 of the License, or
9			* (at your option) any later version.
10			*
11			* This program is distributed in the hope that it will be useful,
12			* but WITHOUT ANY WARRANTY; without even the implied warranty of
13			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14			* GNU General Public License for more details.
15			*
16			* You should have received a copy of the GNU General Public License
17			* along with this program; if not, write to the Free Software
18	michael	4564	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
19	michael	3352	* USA
20			*/
21
22			/*! \file m_unxline.c
23			* \brief Includes required functions for processing the UNXLINE command.
24	michael	3353	* \version $Id$
25	michael	3352	*/
26
27			#include "stdinc.h"
28			#include "list.h"
29			#include "client.h"
30			#include "irc_string.h"
31			#include "ircd.h"
32			#include "conf.h"
33			#include "numeric.h"
34			#include "log.h"
35			#include "send.h"
36			#include "server.h"
37			#include "parse.h"
38			#include "modules.h"
39			#include "conf_db.h"
40			#include "memory.h"
41
42
43			/* static int remove_tkline_match(const char host, const char user)
44			*
45			* Inputs: gecos
46			* Output: returns YES on success, NO if no tkline removed.
47			* Side effects: Any matching tklines are removed.
48			*/
49			static int
50	michael	4671	remove_xline_exact(const char *gecos)
51	michael	3352	{
52	michael	4816	dlink_node *node = NULL;
53	michael	3352
54	michael	4816	DLINK_FOREACH(node, xconf_items.head)
55	michael	3352	{
56	michael	4816	struct MaskItem *conf = node->data;
57	michael	3352
58			if (!IsConfDatabase(conf))
59			continue;
60
61			if (!irccmp(gecos, conf->name))
62			{
63			conf_free(conf);
64			return 1;
65			}
66			}
67
68			return 0;
69			}
70
71			static void
72			remove_xline(struct Client source_p, const char gecos)
73			{
74	michael	4671	if (remove_xline_exact(gecos))
75	michael	3352	{
76	michael	4645	if (IsClient(source_p))
77			sendto_one_notice(source_p, &me, ":X-Line for [%s] is removed", gecos);
78	michael	4889
79	michael	3352	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
80			"%s has removed the X-Line for: [%s]",
81			get_oper_name(source_p), gecos);
82			ilog(LOG_TYPE_XLINE, "%s removed X-Line for [%s]",
83			get_oper_name(source_p), gecos);
84			}
85	michael	4645	else if (IsClient(source_p))
86	michael	3352	sendto_one_notice(source_p, &me, ":No X-Line for %s", gecos);
87			}
88
89	michael	3363	/*! \brief UNXLINE command handler
90	michael	3352	*
91	michael	3363	* \param source_p Pointer to allocated Client struct from which the message
92			* originally comes from. This can be a local or remote client.
93			* \param parc Integer holding the number of supplied arguments.
94			* \param parv Argument vector where parv[0] .. parv[parc-1] are non-NULL
95			* pointers.
96			* \note Valid arguments for this command are:
97			* - parv[0] = command
98	michael	3365	* - parv[1] = gecos
99	michael	3363	* - parv[2] = "ON"
100			* - parv[3] = target server
101	michael	3352	*/
102			static int
103			mo_unxline(struct Client source_p, int parc, char parv[])
104			{
105			char *gecos = NULL;
106			char *target_server = NULL;
107
108			if (!HasOFlag(source_p, OPER_FLAG_UNXLINE))
109			{
110			sendto_one_numeric(source_p, &me, ERR_NOPRIVS, "unxline");
111			return 0;
112			}
113
114			/* UNXLINE bill ON irc.server.com */
115	michael	5775	if (!parse_aline("UNXLINE", source_p, parc, parv, 0, &gecos,
116			NULL, NULL, &target_server, NULL))
117	michael	3352	return 0;
118
119	michael	3368	if (target_server)
120	michael	3352	{
121			sendto_match_servs(source_p, target_server, CAP_CLUSTER,
122			"UNXLINE %s %s", target_server, gecos);
123
124			/* Allow ON to apply local unxline as well if it matches */
125			if (match(target_server, me.name))
126			return 0;
127			}
128			else
129	michael	4645	cluster_a_line(source_p, "UNXLINE", CAP_CLUSTER, SHARED_UNXLINE, "%s", gecos);
130	michael	3352
131			remove_xline(source_p, gecos);
132			return 0;
133			}
134
135	michael	3363	/*! \brief UNXLINE command handler
136	michael	3352	*
137	michael	3363	* \param source_p Pointer to allocated Client struct from which the message
138			* originally comes from. This can be a local or remote client.
139			* \param parc Integer holding the number of supplied arguments.
140			* \param parv Argument vector where parv[0] .. parv[parc-1] are non-NULL
141			* pointers.
142			* \note Valid arguments for this command are:
143			* - parv[0] = command
144			* - parv[1] = target server
145	michael	3791	* - parv[2] = gecos
146	michael	3352	*/
147			static int
148			ms_unxline(struct Client source_p, int parc, char parv[])
149			{
150	michael	4645	if (parc != 3 \|\| EmptyString(parv[2]))
151	michael	3352	return 0;
152
153	michael	3368	sendto_match_servs(source_p, parv[1], CAP_CLUSTER, "UNXLINE %s %s",
154			parv[1], parv[2]);
155	michael	3352
156			if (match(parv[1], me.name))
157			return 0;
158
159	michael	3368	if (HasFlag(source_p, FLAGS_SERVICE) \|\|
160			find_matching_name_conf(CONF_ULINE, source_p->servptr->name,
161	michael	3352	source_p->username, source_p->host,
162			SHARED_UNXLINE))
163			remove_xline(source_p, parv[2]);
164			return 0;
165			}
166
167			static struct Message unxline_msgtab =
168			{
169	michael	4546	"UNXLINE", NULL, 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
170	michael	3352	{ m_unregistered, m_not_oper, ms_unxline, m_ignore, mo_unxline, m_ignore }
171			};
172
173			static void
174			module_init(void)
175			{
176			mod_add_cmd(&unxline_msgtab);
177			}
178
179			static void
180			module_exit(void)
181			{
182			mod_del_cmd(&unxline_msgtab);
183			}
184
185			struct module module_entry =
186			{
187			.node = { NULL, NULL, NULL },
188			.name = NULL,
189	michael	3353	.version = "$Revision$",
190	michael	3352	.handle = NULL,
191			.modinit = module_init,
192			.modexit = module_exit,
193			.flags = 0
194			};