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: m_etrace.c,v 1.2 2005/09/27 12:43:33 adx Exp $
 */

#include "stdinc.h"
#include "handlers.h"
#include "tools.h"
#include "hook.h"
#include "client.h"
#include "hash.h"
#include "common.h"
#include "irc_string.h"
#include "ircd.h"
#include "numeric.h"
#include "fdlist.h"
#include "s_bsd.h"
#include "s_serv.h"
#include "send.h"
#include "msg.h"
#include "parse.h"
#include "modules.h"
#include "s_conf.h"
#include "irc_getnameinfo.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_ignore, m_ignore, m_ignore, mo_etrace, m_ignore}
};

#ifndef STATIC_MODULES
const char *_version = "$Revision: 1.2 $";
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_class(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:	30
Committed:	Sun Oct 2 20:03:27 2005 UTC (18 years, 6 months ago) by adx
Content type:	text/x-csrc
File size:	4809 byte(s)
Log Message:	- imported sources - can be moved later according to the directory/branching scheme, but we need the svn up
#	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			* $Id: m_etrace.c,v 1.2 2005/09/27 12:43:33 adx Exp $
23			*/
24
25			#include "stdinc.h"
26			#include "handlers.h"
27			#include "tools.h"
28			#include "hook.h"
29			#include "client.h"
30			#include "hash.h"
31			#include "common.h"
32			#include "irc_string.h"
33			#include "ircd.h"
34			#include "numeric.h"
35			#include "fdlist.h"
36			#include "s_bsd.h"
37			#include "s_serv.h"
38			#include "send.h"
39			#include "msg.h"
40			#include "parse.h"
41			#include "modules.h"
42			#include "s_conf.h"
43			#include "irc_getnameinfo.h"
44
45			#define FORM_STR_RPL_ETRACE ":%s 709 %s %s %s %s %s %s :%s"
46
47			static void do_etrace(struct Client , int, char *);
48			static void mo_etrace(struct Client , struct Client , int, char *[]);
49
50			struct Message etrace_msgtab = {
51			"ETRACE", 0, 0, 0, 0, MFLG_SLOW, 0,
52			{m_unregistered, m_ignore, m_ignore, m_ignore, mo_etrace, m_ignore}
53			};
54
55			#ifndef STATIC_MODULES
56			const char *_version = "$Revision: 1.2 $";
57			static struct Callback *etrace_cb;
58
59			static void *
60			va_etrace(va_list args)
61			{
62			struct Client source_p = va_arg(args, struct Client );
63			int parc = va_arg(args, int);
64			char parv = va_arg(args, char );
65
66			do_etrace(source_p, parc, parv);
67			return NULL;
68			}
69
70			void
71			_modinit(void)
72			{
73			etrace_cb = register_callback("doing_etrace", va_etrace);
74			mod_add_cmd(&etrace_msgtab);
75			}
76
77			void
78			_moddeinit(void)
79			{
80			mod_del_cmd(&etrace_msgtab);
81			uninstall_hook(etrace_cb, va_etrace);
82			}
83			#endif
84
85			static void report_this_status(struct Client , struct Client );
86
87			/*
88			* do_etrace()
89			*/
90			static void
91			do_etrace(struct Client source_p, int parc, char *parv)
92			{
93			const char *tname = NULL;
94			struct Client *target_p = NULL;
95			int wilds = 0;
96			int do_all = 0;
97			dlink_node *ptr;
98
99			if (parc > 0)
100			{
101			tname = parv[1];
102			if (tname != NULL)
103			wilds = strchr(tname, '*') \|\| strchr(tname, '?');
104			else
105			tname = "*";
106			}
107			else
108			{
109			do_all = 1;
110			tname = "*";
111			}
112
113			if (!wilds && !do_all)
114			{
115			target_p = find_client(tname);
116
117			if (target_p && MyClient(target_p))
118			report_this_status(source_p, target_p);
119
120			sendto_one(source_p, form_str(RPL_ENDOFTRACE), me.name,
121			source_p->name, tname);
122			return;
123			}
124
125			DLINK_FOREACH(ptr, local_client_list.head)
126			{
127			target_p = ptr->data;
128
129			if (wilds)
130			{
131			if (match(tname, target_p->name) \|\| match(target_p->name, tname))
132			report_this_status(source_p, target_p);
133			}
134			else
135			report_this_status(source_p, target_p);
136			}
137
138			sendto_one(source_p, form_str(RPL_ENDOFTRACE), me.name,
139			source_p->name, tname);
140			}
141
142			/* mo_etrace()
143			* parv[0] = sender prefix
144			* parv[1] = servername
145			*/
146			static void
147			mo_etrace(struct Client client_p, struct Client source_p,
148			int parc, char *parv[])
149			{
150			#ifdef STATIC_MODULES
151			do_etrace(source_p, parc, parv);
152			#else
153			execute_callback(etrace_cb, source_p, parc, parv);
154			#endif
155			}
156
157			/* report_this_status()
158			*
159			* inputs - pointer to client to report to
160			* - pointer to client to report about
161			* output - NONE
162			* side effects - NONE
163			*/
164			static void
165			report_this_status(struct Client source_p, struct Client target_p)
166			{
167			const char *name;
168			const char *class_name;
169			char ip[HOSTIPLEN];
170
171			/* Should this be sockhost? - stu */
172			irc_getnameinfo((struct sockaddr*)&target_p->localClient->ip,
173			target_p->localClient->ip.ss_len, ip, HOSTIPLEN, NULL, 0,
174			NI_NUMERICHOST);
175
176			name = get_client_name(target_p, HIDE_IP);
177			class_name = get_client_class(target_p);
178
179			set_time();
180
181			if (target_p->status == STAT_CLIENT)
182			{
183			if (ConfigFileEntry.hide_spoof_ips)
184			sendto_one(source_p, FORM_STR_RPL_ETRACE,
185			me.name, source_p->name,
186			IsOper(target_p) ? "Oper" : "User",
187			class_name,
188			target_p->name, target_p->username,
189			IsIPSpoof(target_p) ? "255.255.255.255" : ip,
190			target_p->info);
191			else
192			sendto_one(source_p, FORM_STR_RPL_ETRACE,
193			me.name, source_p->name,
194			IsOper(target_p) ? "Oper" : "User",
195			class_name,
196			target_p->name, target_p->username, ip,
197			target_p->info);
198			}
199			}