ircd-hybrid/modules/m_etrace.c

/*
 *  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
 *  m_etrace.c: Traces a path to a client/server.
 *
 *  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 "hash.h"
#include "common.h"
#include "ircd.h"
#include "numeric.h"
#include "s_serv.h"
#include "send.h"
#include "msg.h"
#include "parse.h"
#include "modules.h"
#include "s_conf.h"

#define FORM_STR_RPL_ETRACE     ":%s 709 %s %s %s %s %s %s :%s"

static void do_etrace(struct Client *, int, char **);
static void mo_etrace(struct Client *, struct Client *, int, char *[]);

struct Message etrace_msgtab = {
  "ETRACE", 0, 0, 0, 0, MFLG_SLOW, 0,
  {m_unregistered, m_not_oper, m_ignore, m_ignore, mo_etrace, m_ignore}
};

#ifndef STATIC_MODULES
const char *_version = "$Revision$";
static struct Callback *etrace_cb;

static void *
va_etrace(va_list args)
{
  struct Client *source_p = va_arg(args, struct Client *);
  int parc = va_arg(args, int);
  char **parv = va_arg(args, char **);

  do_etrace(source_p, parc, parv);
  return NULL;
}

void
_modinit(void)
{
  etrace_cb = register_callback("doing_etrace", va_etrace);
  mod_add_cmd(&etrace_msgtab);
}

void
_moddeinit(void)
{
  mod_del_cmd(&etrace_msgtab);
  uninstall_hook(etrace_cb, va_etrace);
}
#endif

static void report_this_status(struct Client *, struct Client *);

/*
 * do_etrace()
 */
static void
do_etrace(struct Client *source_p, int parc, char **parv)
{
  const char *tname = NULL;
  struct Client *target_p = NULL;
  int wilds = 0;
  int do_all = 0;
  dlink_node *ptr;

  if (parc > 0)
  {
    tname = parv[1];
    if (tname != NULL)
      wilds = strchr(tname, '*') || strchr(tname, '?');
    else
      tname = "*";
  }
  else
  {
    do_all = 1;
    tname = "*";
  }

  if (!wilds && !do_all)
  {
    target_p = find_client(tname);

    if (target_p && MyClient(target_p))
      report_this_status(source_p, target_p);
      
    sendto_one(source_p, form_str(RPL_ENDOFTRACE), me.name, 
               source_p->name, tname);
    return;
  }

  DLINK_FOREACH(ptr, local_client_list.head)
  {
    target_p = ptr->data;

    if (wilds)
    {
      if (match(tname, target_p->name) || match(target_p->name, tname))
        report_this_status(source_p, target_p);
    }
    else
      report_this_status(source_p, target_p);
  }

  sendto_one(source_p, form_str(RPL_ENDOFTRACE), me.name,
             source_p->name, tname);
}

/* mo_etrace()
 *      parv[0] = sender prefix
 *      parv[1] = servername
 */
static void
mo_etrace(struct Client *client_p, struct Client *source_p,
          int parc, char *parv[])
{
#ifdef STATIC_MODULES
  do_etrace(source_p, parc, parv);
#else
  execute_callback(etrace_cb, source_p, parc, parv);
#endif
}

/* report_this_status()
 *
 * inputs       - pointer to client to report to
 *              - pointer to client to report about
 * output       - NONE
 * side effects - NONE
 */
static void
report_this_status(struct Client *source_p, struct Client *target_p)
{
  const char *name;
  const char *class_name;
  char ip[HOSTIPLEN];

  /* Should this be sockhost? - stu */
  irc_getnameinfo((struct sockaddr*)&target_p->localClient->ip, 
        target_p->localClient->ip.ss_len, ip, HOSTIPLEN, NULL, 0, 
        NI_NUMERICHOST);

  name = get_client_name(target_p, HIDE_IP);
  class_name = get_client_className(target_p);

  set_time();

  if (target_p->status == STAT_CLIENT)
  {
    if (ConfigFileEntry.hide_spoof_ips)
      sendto_one(source_p, FORM_STR_RPL_ETRACE,
                 me.name, source_p->name,
                 IsOper(target_p) ? "Oper" : "User",
                 class_name,
                 target_p->name, target_p->username,
                 IsIPSpoof(target_p) ? "255.255.255.255" : ip,
                 target_p->info);
    else
      sendto_one(source_p, FORM_STR_RPL_ETRACE,
                 me.name, source_p->name, 
                 IsOper(target_p) ? "Oper" : "User", 
                 class_name,
                 target_p->name, target_p->username, ip,
                 target_p->info);
  }
}
Revision:	171
Committed:	Fri Oct 21 22:02:41 2005 UTC (20 years, 9 months ago) by michael
Content type:	text/x-csrc
File size:	4633 byte(s)
Log Message:	- ETRACE should spit out an error if used by a non-oper. Reported by nenolod
#	User	Rev	Content
1	adx	30	/*
2			* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3			* m_etrace.c: Traces a path to a client/server.
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 "hash.h"
29			#include "common.h"
30			#include "ircd.h"
31			#include "numeric.h"
32			#include "s_serv.h"
33			#include "send.h"
34			#include "msg.h"
35			#include "parse.h"
36			#include "modules.h"
37			#include "s_conf.h"
38
39			#define FORM_STR_RPL_ETRACE ":%s 709 %s %s %s %s %s %s :%s"
40
41			static void do_etrace(struct Client , int, char *);
42			static void mo_etrace(struct Client , struct Client , int, char *[]);
43
44			struct Message etrace_msgtab = {
45			"ETRACE", 0, 0, 0, 0, MFLG_SLOW, 0,
46	michael	171	{m_unregistered, m_not_oper, m_ignore, m_ignore, mo_etrace, m_ignore}
47	adx	30	};
48
49			#ifndef STATIC_MODULES
50	knight	31	const char *_version = "$Revision$";
51	adx	30	static struct Callback *etrace_cb;
52
53			static void *
54			va_etrace(va_list args)
55			{
56			struct Client source_p = va_arg(args, struct Client );
57			int parc = va_arg(args, int);
58			char parv = va_arg(args, char );
59
60			do_etrace(source_p, parc, parv);
61			return NULL;
62			}
63
64			void
65			_modinit(void)
66			{
67			etrace_cb = register_callback("doing_etrace", va_etrace);
68			mod_add_cmd(&etrace_msgtab);
69			}
70
71			void
72			_moddeinit(void)
73			{
74			mod_del_cmd(&etrace_msgtab);
75			uninstall_hook(etrace_cb, va_etrace);
76			}
77			#endif
78
79			static void report_this_status(struct Client , struct Client );
80
81			/*
82			* do_etrace()
83			*/
84			static void
85			do_etrace(struct Client source_p, int parc, char *parv)
86			{
87			const char *tname = NULL;
88			struct Client *target_p = NULL;
89			int wilds = 0;
90			int do_all = 0;
91			dlink_node *ptr;
92
93			if (parc > 0)
94			{
95			tname = parv[1];
96			if (tname != NULL)
97			wilds = strchr(tname, '*') \|\| strchr(tname, '?');
98			else
99			tname = "*";
100			}
101			else
102			{
103			do_all = 1;
104			tname = "*";
105			}
106
107			if (!wilds && !do_all)
108			{
109			target_p = find_client(tname);
110
111			if (target_p && MyClient(target_p))
112			report_this_status(source_p, target_p);
113
114			sendto_one(source_p, form_str(RPL_ENDOFTRACE), me.name,
115			source_p->name, tname);
116			return;
117			}
118
119			DLINK_FOREACH(ptr, local_client_list.head)
120			{
121			target_p = ptr->data;
122
123			if (wilds)
124			{
125			if (match(tname, target_p->name) \|\| match(target_p->name, tname))
126			report_this_status(source_p, target_p);
127			}
128			else
129			report_this_status(source_p, target_p);
130			}
131
132			sendto_one(source_p, form_str(RPL_ENDOFTRACE), me.name,
133			source_p->name, tname);
134			}
135
136			/* mo_etrace()
137			* parv[0] = sender prefix
138			* parv[1] = servername
139			*/
140			static void
141			mo_etrace(struct Client client_p, struct Client source_p,
142			int parc, char *parv[])
143			{
144			#ifdef STATIC_MODULES
145			do_etrace(source_p, parc, parv);
146			#else
147			execute_callback(etrace_cb, source_p, parc, parv);
148			#endif
149			}
150
151			/* report_this_status()
152			*
153			* inputs - pointer to client to report to
154			* - pointer to client to report about
155			* output - NONE
156			* side effects - NONE
157			*/
158			static void
159			report_this_status(struct Client source_p, struct Client target_p)
160			{
161			const char *name;
162			const char *class_name;
163			char ip[HOSTIPLEN];
164
165			/* Should this be sockhost? - stu */
166			irc_getnameinfo((struct sockaddr*)&target_p->localClient->ip,
167			target_p->localClient->ip.ss_len, ip, HOSTIPLEN, NULL, 0,
168			NI_NUMERICHOST);
169
170			name = get_client_name(target_p, HIDE_IP);
171	db	128	class_name = get_client_className(target_p);
172	adx	30
173			set_time();
174
175			if (target_p->status == STAT_CLIENT)
176			{
177			if (ConfigFileEntry.hide_spoof_ips)
178			sendto_one(source_p, FORM_STR_RPL_ETRACE,
179			me.name, source_p->name,
180			IsOper(target_p) ? "Oper" : "User",
181			class_name,
182			target_p->name, target_p->username,
183			IsIPSpoof(target_p) ? "255.255.255.255" : ip,
184			target_p->info);
185			else
186			sendto_one(source_p, FORM_STR_RPL_ETRACE,
187			me.name, source_p->name,
188			IsOper(target_p) ? "Oper" : "User",
189			class_name,
190			target_p->name, target_p->username, ip,
191			target_p->info);
192			}
193			}