ircd-hybrid-8/modules/m_testline.c

/*
 *  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
 *  m_testline.c: Tests a hostmask to see what will happen to it.
 *
 *  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 "common.h"
#include "irc_string.h"
#include "ircd_defs.h"
#include "ircd.h"
#include "restart.h"
#include "s_conf.h"
#include "send.h"
#include "msg.h"
#include "hostmask.h"
#include "numeric.h"
#include "parse.h"
#include "resv.h"
#include "hash.h"
#include "modules.h"

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

struct Message testline_msgtab = {
  "TESTLINE", 0, 0, 0, 0, MFLG_SLOW, 0,
  { m_unregistered, m_not_oper, m_ignore, m_ignore, mo_testline, m_ignore }
};

struct Message testgecos_msgtab = {
  "TESTGECOS", 0, 0, 0, 0, MFLG_SLOW, 0,
  { m_unregistered, m_not_oper, m_ignore, m_ignore, mo_testgecos, m_ignore }
};
 
#ifndef STATIC_MODULES
void
_modinit(void)
{
  mod_add_cmd(&testline_msgtab);
  mod_add_cmd(&testgecos_msgtab);
}

void
_moddeinit(void)
{
  mod_del_cmd(&testline_msgtab);
  mod_del_cmd(&testgecos_msgtab);
}
 
const char *_version = "$Revision$";
#endif

/* mo_testline()
 *
 * inputs       - pointer to physical connection request is coming from
 *              - pointer to source connection request is coming from
 *              - parc arg count
 *              - parv actual arguments   
 *   
 * output       - NONE
 * side effects - command to test I/K lines on server
 *   
 * i.e. /quote testline user@host,ip [password]
 *
 */
static void
mo_testline(struct Client *client_p, struct Client *source_p,
            int parc, char *parv[])
{
  /* IRCD_BUFSIZE to allow things like *u*s*e*r*n*a*m*e* etc. */
  char given_name[IRCD_BUFSIZE];
  char given_host[IRCD_BUFSIZE];
  char parv1_copy[IRCD_BUFSIZE];
  struct ConfItem *conf;
  struct AccessItem *aconf;
  struct irc_ssaddr ip;
  int host_mask;
  int t;
  int matches = 0;
  char userhost[HOSTLEN + USERLEN + 2];
  struct split_nuh_item nuh;

  if (EmptyString(parv[1]))
  {
    sendto_one(source_p, ":%s NOTICE %s :usage: user@host|ip [password]",
               me.name, source_p->name);
    return;
  }

  if (IsChanPrefix(*parv[1]))    /* Might be channel resv */
  {
    const struct ResvChannel *chptr = NULL;

    if ((chptr = match_find_resv(parv[1])))
    {
      sendto_one(source_p, form_str(RPL_TESTLINE),
                 me.name, source_p->name, 'Q', 0, chptr->name, 
                 chptr->reason ? chptr->reason : "No reason", "");
      return;
    }
  }

  strlcpy(parv1_copy, parv[1], sizeof(parv1_copy));

  nuh.nuhmask  = parv[1];
  nuh.nickptr  = NULL;
  nuh.userptr  = given_name;
  nuh.hostptr  = given_host;

  nuh.nicksize = 0;
  nuh.usersize = sizeof(given_name);
  nuh.hostsize = sizeof(given_host);

  split_nuh(&nuh);

  t = parse_netmask(given_host, &ip, &host_mask);

  if (t != HM_HOST)
  {
    aconf = find_dline_conf(&ip, 
#ifdef IPV6 
                            (t == HM_IPV6) ? AF_INET6 : AF_INET
#else
                            AF_INET
#endif
                            );
    if (aconf != NULL)
    {
      ++matches;
      if (aconf->status & CONF_EXEMPTDLINE)
        sendto_one(source_p,
                   ":%s NOTICE %s :Exempt D-line host [%s] reason [%s]",
                   me.name, source_p->name, aconf->host, aconf->reason);
      else
        sendto_one(source_p, form_str(RPL_TESTLINE),
                   me.name, source_p->name,
                   IsConfTemporary(aconf) ? 'd' : 'D',
                   IsConfTemporary(aconf) ? ((aconf->hold - CurrentTime) / 60)
                   : 0L,
                   aconf->host, aconf->reason, aconf->oper_reason);
    }
  }

  if (t != HM_HOST)
    aconf = find_address_conf(given_host, given_name, &ip, 
#ifdef IPV6
                              (t == HM_IPV6) ? AF_INET6 : AF_INET,
#else
                              AF_INET,
#endif
                              parv[2]);
  else
    aconf = find_address_conf(given_host, given_name, NULL, 0, parv[2]);
                 
  if (aconf != NULL)
  {
    snprintf(userhost, sizeof(userhost), "%s@%s", aconf->user, aconf->host);

    if (aconf->status & CONF_CLIENT)
    {
      sendto_one(source_p, form_str(RPL_TESTLINE),
                 me.name, source_p->name, 'I', 0L, userhost,
                 aconf->class_ptr ? aconf->class_ptr->name : "<default>", "");
      ++matches;
    }
    else if (aconf->status & CONF_KILL)
    {
      sendto_one(source_p, form_str(RPL_TESTLINE),
                 me.name, source_p->name,
                 IsConfTemporary(aconf) ? 'k' : 'K',
                 IsConfTemporary(aconf) ? ((aconf->hold - CurrentTime) / 60)
                 : 0L,
                 userhost, aconf->reason? aconf->reason : "No reason",
                 aconf->oper_reason ? aconf->oper_reason : "");
      ++matches;
    }
  }

  conf = find_matching_name_conf(NRESV_TYPE, given_name, NULL, NULL, 0);

  if (conf != NULL)
  {
    const struct MatchItem *mconf = map_to_conf(conf);

    sendto_one(source_p, form_str(RPL_TESTLINE),
               me.name, source_p->name, 'Q', 0L,
               conf->name, 
               mconf->reason ? mconf->reason : "No reason",
               mconf->oper_reason ? mconf->oper_reason : "");
    ++matches;
  }

  if (matches == 0)
    sendto_one(source_p, form_str(RPL_NOTESTLINE),
               me.name, source_p->name, parv1_copy);
}

/* mo_testgecos()
 *
 * inputs       - pointer to physical connection request is coming from
 *              - pointer to source connection request is coming from
 *              - parc arg count
 *              - parv actual arguments   
 *   
 * output       - always 0
 * side effects - command to test X lines on server
 *   
 * i.e. /quote testgecos gecos
 *
 */
static void
mo_testgecos(struct Client *client_p, struct Client *source_p,
             int parc, char *parv[])
{
  struct ConfItem *conf = NULL;

  if (EmptyString(parv[1]))
  {
    sendto_one(source_p, ":%s NOTICE %s :usage: gecos",
               me.name, source_p->name);
    return;
  }

  if ((conf = find_matching_name_conf(XLINE_TYPE, parv[1], NULL, NULL, 0)))
  {
    const struct MatchItem *xconf = map_to_conf(conf);
    sendto_one(source_p, form_str(RPL_TESTLINE),
               me.name, source_p->name, 'X', 0L,
               conf->name, xconf->reason ? xconf->reason : "X-lined",
               xconf->oper_reason ? xconf->oper_reason : "");
  }
  else
    sendto_one(source_p, form_str(RPL_NOTESTLINE),
               me.name, source_p->name, parv[1]);
}
Revision:	808
Committed:	Sun Sep 3 18:58:00 2006 UTC (18 years, 11 months ago) by michael
Content type:	text/x-csrc
Original Path:	*ircd-hybrid-7.2/modules/m_testline.c*
File size:	7403 byte(s)
Log Message:	- Misc. fixes to TESTMASK/TESTLINE as reported by Phar Lap - Prevent TESTLINE from reporting k-lines twice - Show the actual k-line reason when reporting k-lines - Test the host part of a u@h mask against the client's sockhost field in TESTMASK - Added support for nick masks to TESTMASK - CIDR is to come in 7.3
#	User	Rev	Content
1	adx	30	/*
2			* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3			* m_testline.c: Tests a hostmask to see what will happen to it.
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 "common.h"
29			#include "irc_string.h"
30			#include "ircd_defs.h"
31			#include "ircd.h"
32			#include "restart.h"
33			#include "s_conf.h"
34			#include "send.h"
35			#include "msg.h"
36			#include "hostmask.h"
37			#include "numeric.h"
38			#include "parse.h"
39			#include "resv.h"
40			#include "hash.h"
41			#include "modules.h"
42
43	michael	593	static void mo_testline(struct Client , struct Client , int, char *[]);
44			static void mo_testgecos(struct Client , struct Client , int, char *[]);
45	adx	30
46			struct Message testline_msgtab = {
47			"TESTLINE", 0, 0, 0, 0, MFLG_SLOW, 0,
48	michael	593	{ m_unregistered, m_not_oper, m_ignore, m_ignore, mo_testline, m_ignore }
49	adx	30	};
50
51			struct Message testgecos_msgtab = {
52			"TESTGECOS", 0, 0, 0, 0, MFLG_SLOW, 0,
53	michael	593	{ m_unregistered, m_not_oper, m_ignore, m_ignore, mo_testgecos, m_ignore }
54	adx	30	};
55
56			#ifndef STATIC_MODULES
57			void
58			_modinit(void)
59			{
60			mod_add_cmd(&testline_msgtab);
61			mod_add_cmd(&testgecos_msgtab);
62			}
63
64			void
65			_moddeinit(void)
66			{
67			mod_del_cmd(&testline_msgtab);
68			mod_del_cmd(&testgecos_msgtab);
69			}
70
71	knight	31	const char *_version = "$Revision$";
72	adx	30	#endif
73
74			/* mo_testline()
75			*
76			* inputs - pointer to physical connection request is coming from
77			* - pointer to source connection request is coming from
78			* - parc arg count
79			* - parv actual arguments
80			*
81			* output - NONE
82			* side effects - command to test I/K lines on server
83			*
84			* i.e. /quote testline user@host,ip [password]
85			*
86			*/
87			static void
88			mo_testline(struct Client client_p, struct Client source_p,
89			int parc, char *parv[])
90			{
91	michael	593	/* IRCD_BUFSIZE to allow things like username* etc. */
92			char given_name[IRCD_BUFSIZE];
93			char given_host[IRCD_BUFSIZE];
94	michael	808	char parv1_copy[IRCD_BUFSIZE];
95	adx	30	struct ConfItem *conf;
96			struct AccessItem *aconf;
97			struct irc_ssaddr ip;
98			int host_mask;
99			int t;
100			int matches = 0;
101			char userhost[HOSTLEN + USERLEN + 2];
102	michael	593	struct split_nuh_item nuh;
103	adx	30
104	michael	593	if (EmptyString(parv[1]))
105	adx	30	{
106			sendto_one(source_p, ":%s NOTICE %s :usage: user@host\|ip [password]",
107			me.name, source_p->name);
108			return;
109			}
110
111	michael	593	if (IsChanPrefix(parv[1])) / Might be channel resv */
112			{
113			const struct ResvChannel *chptr = NULL;
114	adx	30
115	michael	593	if ((chptr = match_find_resv(parv[1])))
116	adx	30	{
117	michael	593	sendto_one(source_p, form_str(RPL_TESTLINE),
118			me.name, source_p->name, 'Q', 0, chptr->name,
119			chptr->reason ? chptr->reason : "No reason", "");
120	adx	30	return;
121			}
122			}
123
124	michael	808	strlcpy(parv1_copy, parv[1], sizeof(parv1_copy));
125	adx	30
126	michael	593	nuh.nuhmask = parv[1];
127			nuh.nickptr = NULL;
128			nuh.userptr = given_name;
129			nuh.hostptr = given_host;
130
131			nuh.nicksize = 0;
132			nuh.usersize = sizeof(given_name);
133			nuh.hostsize = sizeof(given_host);
134
135			split_nuh(&nuh);
136
137	db	136	t = parse_netmask(given_host, &ip, &host_mask);
138	adx	30
139			if (t != HM_HOST)
140			{
141			aconf = find_dline_conf(&ip,
142			#ifdef IPV6
143	michael	593	(t == HM_IPV6) ? AF_INET6 : AF_INET
144	adx	30	#else
145	michael	593	AF_INET
146	adx	30	#endif
147	michael	593	);
148	adx	30	if (aconf != NULL)
149			{
150	michael	808	++matches;
151	adx	30	if (aconf->status & CONF_EXEMPTDLINE)
152	michael	593	sendto_one(source_p,
153			":%s NOTICE %s :Exempt D-line host [%s] reason [%s]",
154			me.name, source_p->name, aconf->host, aconf->reason);
155	adx	30	else
156	michael	593	sendto_one(source_p, form_str(RPL_TESTLINE),
157			me.name, source_p->name,
158			IsConfTemporary(aconf) ? 'd' : 'D',
159			IsConfTemporary(aconf) ? ((aconf->hold - CurrentTime) / 60)
160			: 0L,
161			aconf->host, aconf->reason, aconf->oper_reason);
162	adx	30	}
163			}
164
165			if (t != HM_HOST)
166			aconf = find_address_conf(given_host, given_name, &ip,
167			#ifdef IPV6
168			(t == HM_IPV6) ? AF_INET6 : AF_INET,
169			#else
170			AF_INET,
171			#endif
172			parv[2]);
173			else
174			aconf = find_address_conf(given_host, given_name, NULL, 0, parv[2]);
175
176			if (aconf != NULL)
177			{
178			snprintf(userhost, sizeof(userhost), "%s@%s", aconf->user, aconf->host);
179
180			if (aconf->status & CONF_CLIENT)
181			{
182			sendto_one(source_p, form_str(RPL_TESTLINE),
183	michael	808	me.name, source_p->name, 'I', 0L, userhost,
184	michael	593	aconf->class_ptr ? aconf->class_ptr->name : "<default>", "");
185	adx	30	++matches;
186			}
187	db	150	else if (aconf->status & CONF_KILL)
188			{
189			sendto_one(source_p, form_str(RPL_TESTLINE),
190	michael	593	me.name, source_p->name,
191			IsConfTemporary(aconf) ? 'k' : 'K',
192			IsConfTemporary(aconf) ? ((aconf->hold - CurrentTime) / 60)
193			: 0L,
194	michael	808	userhost, aconf->reason? aconf->reason : "No reason",
195	michael	593	aconf->oper_reason ? aconf->oper_reason : "");
196	db	150	++matches;
197			}
198	adx	30	}
199
200			conf = find_matching_name_conf(NRESV_TYPE, given_name, NULL, NULL, 0);
201
202			if (conf != NULL)
203			{
204	michael	808	const struct MatchItem *mconf = map_to_conf(conf);
205	adx	30
206			sendto_one(source_p, form_str(RPL_TESTLINE),
207	michael	808	me.name, source_p->name, 'Q', 0L,
208	michael	593	conf->name,
209			mconf->reason ? mconf->reason : "No reason",
210			mconf->oper_reason ? mconf->oper_reason : "");
211	adx	30	++matches;
212			}
213
214			if (matches == 0)
215			sendto_one(source_p, form_str(RPL_NOTESTLINE),
216	michael	808	me.name, source_p->name, parv1_copy);
217	adx	30	}
218
219			/* mo_testgecos()
220			*
221			* inputs - pointer to physical connection request is coming from
222			* - pointer to source connection request is coming from
223			* - parc arg count
224			* - parv actual arguments
225			*
226			* output - always 0
227			* side effects - command to test X lines on server
228			*
229			* i.e. /quote testgecos gecos
230			*
231			*/
232			static void
233			mo_testgecos(struct Client client_p, struct Client source_p,
234	michael	808	int parc, char *parv[])
235	adx	30	{
236			struct ConfItem *conf = NULL;
237
238	michael	593	if (EmptyString(parv[1]))
239	adx	30	{
240			sendto_one(source_p, ":%s NOTICE %s :usage: gecos",
241			me.name, source_p->name);
242			return;
243			}
244
245	michael	593	if ((conf = find_matching_name_conf(XLINE_TYPE, parv[1], NULL, NULL, 0)))
246	adx	30	{
247	michael	808	const struct MatchItem *xconf = map_to_conf(conf);
248	adx	30	sendto_one(source_p, form_str(RPL_TESTLINE),
249	michael	593	me.name, source_p->name, 'X', 0L,
250			conf->name, xconf->reason ? xconf->reason : "X-lined",
251			xconf->oper_reason ? xconf->oper_reason : "");
252	adx	30	}
253			else
254			sendto_one(source_p, form_str(RPL_NOTESTLINE),
255	michael	593	me.name, source_p->name, parv[1]);
256	adx	30	}