trunk/modules/m_etrace.c

/*
 *  ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
 *
 *  Copyright (c) 2004-2021 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_etrace.c
 * \brief Includes required functions for processing the ETRACE command.
 * \version $Id$
 */

#include "stdinc.h"
#include "list.h"
#include "client.h"
#include "hash.h"
#include "irc_string.h"
#include "ircd.h"
#include "numeric.h"
#include "server.h"
#include "send.h"
#include "parse.h"
#include "modules.h"
#include "conf.h"
#include "patchlevel.h"


/* report_this_status()
 *
 * inputs       - pointer to client to report to
 *              - pointer to client to report about
 *              - flag full etrace or not
 * output       - NONE
 * side effects - NONE
 */
static void
report_this_status(struct Client *source_p, const struct Client *target_p)
{
  if (target_p->status != STAT_CLIENT)
    return;

  sendto_one_numeric(source_p, &me, RPL_ETRACE,
                     HasUMode(target_p, UMODE_OPER) ? "Oper" : "User",
                     get_client_class(&target_p->connection->confs),
                     target_p->name,
                     target_p->username,
                     target_p->host,
                     target_p->sockhost,
                     target_p->info);
}

/*
 * do_etrace()
 */
static void
do_etrace(struct Client *source_p, const char *name)
{
  bool doall = false;
  dlink_node *node;

  sendto_realops_flags(UMODE_SPY, L_ALL, SEND_NOTICE,
                       "ETRACE requested by %s (%s@%s) [%s]",
                       source_p->name, source_p->username,
                       source_p->host, source_p->servptr->name);

  if (EmptyString(name))
    doall = true;
  else if (match(name, me.name) == 0)
    doall = true;
  else if (!MyClient(source_p) && strcmp(name, me.id) == 0)
    doall = true;

  DLINK_FOREACH(node, local_client_list.head)
  {
    const struct Client *target_p = node->data;

    if (doall == true || match(name, target_p->name) == 0)
      report_this_status(source_p, target_p);
  }

  sendto_one_numeric(source_p, &me, RPL_ETRACEEND, me.name);
}

/*! \brief ETRACE 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] = nick name to trace
 *      - parv[2] = nick or server name to forward the etrace to
 */
static void
mo_etrace(struct Client *source_p, int parc, char *parv[])
{
  if (parc > 2)
    if (server_hunt(source_p, ":%s ETRACE %s :%s", 2, parv)->ret != HUNTED_ISME)
      return;

  const struct server_hunt *hunt = server_hunt(source_p, ":%s ETRACE :%s", 1, parv);
  switch (hunt->ret)
  {
    case HUNTED_PASS:
      sendto_one_numeric(source_p, &me, RPL_TRACELINK,
                         PATCHLEVEL, hunt->target_p->name, hunt->target_p->from->name);
      break;
    case HUNTED_ISME:
      do_etrace(source_p, parv[1]);
      break;
    default:
      break;
  }
}

static struct Message etrace_msgtab =
{
  .cmd = "ETRACE",
  .handlers[UNREGISTERED_HANDLER] = { .handler = m_unregistered },
  .handlers[CLIENT_HANDLER] = { .handler = m_not_oper },
  .handlers[SERVER_HANDLER] = { .handler = mo_etrace },
  .handlers[ENCAP_HANDLER] = { .handler = m_ignore },
  .handlers[OPER_HANDLER] = { .handler = mo_etrace }
};

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

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

struct module module_entry =
{
  .version = "$Revision$",
  .modinit = module_init,
  .modexit = module_exit,
};
Revision:	9857
Committed:	Fri Jan 1 04:43:22 2021 UTC (5 years, 6 months ago) by michael
Content type:	text/x-csrc
File size:	4551 byte(s)
Log Message:	- Bump copyright years
#	User	Rev	Content
1	adx	30	/*
2	michael	2820	* ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3	adx	30	*
4	michael	9857	* Copyright (c) 2004-2021 ircd-hybrid development team
5	adx	30	*
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	4565	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
19	adx	30	* USA
20			*/
21
22	michael	2820	/*! \file m_etrace.c
23			* \brief Includes required functions for processing the ETRACE command.
24			* \version $Id$
25			*/
26
27	adx	30	#include "stdinc.h"
28	michael	1011	#include "list.h"
29	adx	30	#include "client.h"
30			#include "hash.h"
31			#include "irc_string.h"
32			#include "ircd.h"
33			#include "numeric.h"
34	michael	8066	#include "server.h"
35	adx	30	#include "send.h"
36			#include "parse.h"
37			#include "modules.h"
38	michael	1309	#include "conf.h"
39	michael	8729	#include "patchlevel.h"
40	adx	30
41
42	michael	2968	/* report_this_status()
43			*
44			* inputs - pointer to client to report to
45			* - pointer to client to report about
46			* - flag full etrace or not
47			* output - NONE
48			* side effects - NONE
49			*/
50			static void
51	michael	3578	report_this_status(struct Client source_p, const struct Client target_p)
52	michael	2968	{
53	michael	3578	if (target_p->status != STAT_CLIENT)
54	michael	3787	return;
55	michael	3578
56	michael	4967	sendto_one_numeric(source_p, &me, RPL_ETRACE,
57			HasUMode(target_p, UMODE_OPER) ? "Oper" : "User",
58			get_client_class(&target_p->connection->confs),
59			target_p->name,
60			target_p->username,
61			target_p->host,
62			target_p->sockhost,
63			target_p->info);
64	michael	2968	}
65	adx	30
66			/*
67			* do_etrace()
68			*/
69			static void
70	michael	8259	do_etrace(struct Client source_p, const char name)
71	adx	30	{
72	michael	8656	bool doall = false;
73	michael	7687	dlink_node *node;
74	adx	30
75	michael	1618	sendto_realops_flags(UMODE_SPY, L_ALL, SEND_NOTICE,
76	michael	1144	"ETRACE requested by %s (%s@%s) [%s]",
77			source_p->name, source_p->username,
78			source_p->host, source_p->servptr->name);
79
80	michael	8259	if (EmptyString(name))
81	michael	8656	doall = true;
82	michael	8603	else if (match(name, me.name) == 0)
83	michael	8656	doall = true;
84	michael	8603	else if (!MyClient(source_p) && strcmp(name, me.id) == 0)
85	michael	8656	doall = true;
86	michael	8080
87	michael	4815	DLINK_FOREACH(node, local_client_list.head)
88	adx	30	{
89	michael	4815	const struct Client *target_p = node->data;
90	adx	30
91	michael	8656	if (doall == true \|\| match(name, target_p->name) == 0)
92	michael	2189	report_this_status(source_p, target_p);
93	adx	30	}
94
95	michael	8084	sendto_one_numeric(source_p, &me, RPL_ETRACEEND, me.name);
96	adx	30	}
97
98	michael	8066	/*! \brief ETRACE command handler
99			*
100			* \param source_p Pointer to allocated Client struct from which the message
101			* originally comes from. This can be a local or remote client.
102			* \param parc Integer holding the number of supplied arguments.
103			* \param parv Argument vector where parv[0] .. parv[parc-1] are non-NULL
104			* pointers.
105			* \note Valid arguments for this command are:
106			* - parv[0] = command
107			* - parv[1] = nick name to trace
108			* - parv[2] = nick or server name to forward the etrace to
109	adx	30	*/
110	michael	9077	static void
111	michael	3156	mo_etrace(struct Client source_p, int parc, char parv[])
112	adx	30	{
113	michael	8066	if (parc > 2)
114	michael	9397	if (server_hunt(source_p, ":%s ETRACE %s :%s", 2, parv)->ret != HUNTED_ISME)
115	michael	9077	return;
116	michael	8066
117	michael	9397	const struct server_hunt *hunt = server_hunt(source_p, ":%s ETRACE :%s", 1, parv);
118	michael	8066	switch (hunt->ret)
119			{
120			case HUNTED_PASS:
121			sendto_one_numeric(source_p, &me, RPL_TRACELINK,
122	michael	8729	PATCHLEVEL, hunt->target_p->name, hunt->target_p->from->name);
123	michael	8066	break;
124			case HUNTED_ISME:
125	michael	8078	do_etrace(source_p, parv[1]);
126	michael	8066	break;
127			default:
128			break;
129			}
130	adx	30	}
131
132	michael	2820	static struct Message etrace_msgtab =
133			{
134	michael	5881	.cmd = "ETRACE",
135	michael	9374	.handlers[UNREGISTERED_HANDLER] = { .handler = m_unregistered },
136			.handlers[CLIENT_HANDLER] = { .handler = m_not_oper },
137			.handlers[SERVER_HANDLER] = { .handler = mo_etrace },
138			.handlers[ENCAP_HANDLER] = { .handler = m_ignore },
139			.handlers[OPER_HANDLER] = { .handler = mo_etrace }
140	michael	1230	};
141
142			static void
143			module_init(void)
144			{
145			mod_add_cmd(&etrace_msgtab);
146			}
147
148			static void
149			module_exit(void)
150			{
151			mod_del_cmd(&etrace_msgtab);
152			}
153
154	michael	2820	struct module module_entry =
155			{
156	michael	1230	.version = "$Revision$",
157			.modinit = module_init,
158			.modexit = module_exit,
159			};