ircd-hybrid-7.2/contrib/m_operspy.c

/************************************************************************
 *   IRC - Internet Relay Chat, contrib/m_operspy.c
 *   Copyright (C) 2002 William Bierman III and the 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 1, 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., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 *   $Id$
 */

/***  PLEASE READ ME  ***/
/*
 *  This module gives an extraordinary amount of power to the opers
 *  who have the access to use it.  It allows for users' privacy to
 *  be pretty much obliterated.  The Hybrid Team assumes absolutely
 *  no responsibility for this file's (mis)use.
 *
 *    - billy-jon
 */

#include "stdinc.h"
#include "tools.h"
#include "irc_string.h"
#include "handlers.h"
#include "channel.h"
#include "channel_mode.h"
#include "client.h"
#include "common.h"     /* FALSE bleah */
#include "ircd.h"
#include "sprintf_irc.h"
#include "numeric.h"
#include "fdlist.h"
#include "s_bsd.h"
#include "s_conf.h"
#include "s_log.h"
#include "s_serv.h"
#include "s_misc.h"
#include "send.h"
#include "msg.h"
#include "parse.h"
#include "modules.h"
#include "hash.h"

/* enable logging of OPERSPY functions */
#define OPERSPY_LOG

/* enable this to log all local/remote operspy usage to a logfile */
#define OPERSPY_LOGFILE

/* enable this to send incoming operspy usage to connected +y (UMODE_SPY) opers */
#define OPERSPY_NOTICE

/* enable OPERSPY version of LIST */
#define OPERSPY_LIST

/* enable OPERSPY version of MODE */
#define OPERSPY_MODE

/* enable OPERSPY version of NAMES */
#define OPERSPY_NAMES

/* enable OPERSPY version of WHO */
#define OPERSPY_WHO

/* enable OPERSPY version of WHOIS */
#define OPERSPY_WHOIS

/* enable OPERSPY version of TOPIC */
#define OPERSPY_TOPIC

#define IsOperspy(x) (IsOper(x) && MyClient(x) && IsAdmin(x))

/* The commands we will add */
static void ms_operspy(struct Client *, struct Client *, int, char *[]);
static void mo_operspy(struct Client *, struct Client *, int, char *[]);

/* extensions for OPERSPY WHO */
static void do_who(struct Client *, struct Client *, char *, const char *);
static void who_global(struct Client *, char *, int);
static void do_who_on_channel(struct Client *, struct Channel *, char *);

static void operspy_list(struct Client *, int, char *[]);
static void operspy_mode(struct Client *, int, char *[]);
static void operspy_names(struct Client *, int, char *[]);
static void operspy_topic(struct Client *, int, char *[]);
static void operspy_who(struct Client *, int, char *[]);
static void operspy_whois(struct Client *, int, char *[]);


struct Message operspy_msgtab = {
  "OPERSPY", 0, 0, 3, 4, MFLG_SLOW, 0,
  {m_ignore, m_not_oper, ms_operspy, ms_operspy, mo_operspy, m_ignore}
};

static const struct operspy_s {
  const char *const cmd;
  void (*const func_p)(struct Client *, int, char *[]);
} operspy_table[] = {
#ifdef OPERSPY_LIST
  { "LIST", operspy_list },
#endif
#ifdef OPERSPY_MODE
  { "MODE", operspy_mode },
#endif
#ifdef OPERSPY_NAMES
  { "NAMES", operspy_names },
#endif
#ifdef OPERSPY_TOPIC
  { "TOPIC", operspy_topic },
#endif
#ifdef OPERSPY_WHO
  { "WHO", operspy_who },
#endif
#ifdef OPERSPY_WHOIS
  { "WHOIS", operspy_whois },
#endif
  { NULL, NULL }
};

#ifndef STATIC_MODULES
void
_modinit(void)
{
  mod_add_cmd(&operspy_msgtab);
}

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

#ifdef OPERSPY_LOG
static void operspy_log(struct Client *, const char *, const char *);
#endif

static void
ms_operspy(struct Client *client_p, struct Client *source_p,
           int parc, char *parv[])
{
#ifdef OPERSPY_LOG
  operspy_log(source_p, parv[1], parv[2]);
#endif
}

/* mo_operspy()
 *      parv[1] = operspy command
 *      parv[2] = command parameter
 */
static void
mo_operspy(struct Client *client_p, struct Client *source_p,
           int parc, char *parv[])
{
  char cmdbuf[IRCD_BUFSIZE] = "<NONE>"; /* in case everything is undef'd */
  size_t bcnt = 0;
  const struct operspy_s *optr = NULL;

  if (!IsOperspy(client_p))
  {
    sendto_one(client_p, form_str(ERR_NOPRIVILEGES),
               me.name, client_p->name);
    return;
  }

  assert(client_p == source_p);

  for (optr = operspy_table; optr->cmd; ++optr)
  {
    if (!irccmp(optr->cmd, parv[1]))
    {
      (*optr->func_p)(client_p, parc, parv);
      return;
    }
  }

  for (optr = operspy_table; optr->cmd; ++optr)
  {
    /* str*cat is slow and sucks */
    bcnt += strlcpy(cmdbuf+bcnt, optr->cmd, sizeof(cmdbuf)-bcnt);
    if ((optr + 1)->cmd != NULL && bcnt < (sizeof(cmdbuf)-2))
    {
      cmdbuf[bcnt++] = ',';
      cmdbuf[bcnt++] = ' ';
    }
  }

  sendto_one(client_p, ":%s NOTICE %s :%s is not a valid option.  Choose from %s",
             me.name, client_p->name, parv[1], cmdbuf);
}

static void
operspy_list(struct Client *client_p, int parc, char *parv[])
{
  const dlink_node *ptr = NULL;
#ifdef OPERSPY_LOG
  operspy_log(client_p, "LIST", parv[2]);
#endif

  if (*parv[2] == '\0')
    return;

  sendto_one(client_p, form_str(RPL_LISTSTART),
             me.name, client_p->name);

  DLINK_FOREACH(ptr, global_channel_list.head)
  {
    const struct Channel *chptr_list = ptr->data;

    if (match_chan(parv[2], chptr_list->chname))
    {
      sendto_one(client_p, form_str(RPL_LIST), me.name, client_p->name,
                 chptr_list->chname, dlink_list_length(&chptr_list->members),
                 chptr_list->topic == NULL ? "" : chptr_list->topic);
    }
  }

  sendto_one(client_p, form_str(RPL_LISTEND),
             me.name, client_p->name);
}

static void
operspy_mode(struct Client *client_p, int parc, char *parv[])
{
  /* needed to preserve actual client status */
  int c_status = 0;
  char modebuf[MODEBUFLEN];
  char parabuf[MODEBUFLEN];
  struct Channel *chptr_mode = NULL;

  if ((chptr_mode = hash_find_channel(parv[2])) == NULL)
  {
    /*
     * according to m_mode.c, the channel *could* exist on the uplink still,
     * but I don't see how.  Even if it does, we won't be able to spy without
     * info.
     */ 
    sendto_one(client_p, form_str(ERR_NOSUCHCHANNEL),
               me.name, client_p->name, parv[2]);
    return;
  }

#ifdef OPERSPY_LOG
  operspy_log(client_p, "MODE", parv[2]);
#endif

  /* 
   * XXX - this is a dirty nasty kludge to trick channel_modes()
   * into giving us the key
   */
  c_status = client_p->status;
  client_p->status = STAT_SERVER;

  channel_modes(chptr_mode, client_p, modebuf, parabuf);
  client_p->status = c_status;

  sendto_one(client_p, form_str(RPL_CHANNELMODEIS),
             me.name, client_p->name, parv[2], modebuf, parabuf);
  sendto_one(client_p, form_str(RPL_CREATIONTIME),
             me.name, client_p->name, parv[2], chptr_mode->channelts);
}

static void
operspy_names(struct Client *client_p, int parc, char *parv[])
{
  /* as with mode, must preserve channel modes */
  struct Channel *chptr_names = NULL;

  if ((chptr_names = hash_find_channel(parv[2])) == NULL)
  {
    sendto_one(client_p, form_str(ERR_NOSUCHCHANNEL),
               me.name, client_p->name, parv[2]);
    return;
  }

#ifdef OPERSPY_LOG
  operspy_log(client_p, "NAMES", parv[2]);
#endif

  /* the way to go with this, rather than temporarily setting -sp,
   * is to temporarily add our client to the member list.  then
   * we can also list +i users.  an unfortunate side-effect of this
   * is that your nickname shows up in the list.  for now, there is
   * no easy way around it.
   */ 
  add_user_to_channel(chptr_names, client_p, CHFL_CHANOP, NO);
  channel_member_names(client_p, chptr_names, 1);
  remove_user_from_channel(find_channel_link(client_p, chptr_names));
}

static void
operspy_topic(struct Client *client_p, int parc, char *parv[])
{
  const struct Channel *chptr_topic = NULL;

  if ((chptr_topic = hash_find_channel(parv[2])) == NULL)
  {
    sendto_one(client_p, form_str(ERR_NOSUCHCHANNEL),
               me.name, client_p->name, parv[2]);
    return;
  }

#ifdef OPERSPY_LOG
  operspy_log(client_p, "TOPIC", parv[2]);
#endif

  if (chptr_topic->topic == NULL)
    sendto_one(client_p, form_str(RPL_NOTOPIC),
               me.name, client_p->name, parv[2]);
  else
  {
    sendto_one(client_p, form_str(RPL_TOPIC), me.name, client_p->name,
               chptr_topic->chname, chptr_topic->topic);
    sendto_one(client_p, form_str(RPL_TOPICWHOTIME), me.name,
               client_p->name, chptr_topic->chname, chptr_topic->topic_info,
               chptr_topic->topic_time);
  }
}

static void
operspy_who(struct Client *client_p, int parc, char *parv[])
{
  char *mask = parc > 2 ? parv[2] : NULL;
  int server_oper = parc > 3 ? (*parv[3] == 'o') : 0;
  struct Channel *chptr_who = NULL;
  struct Client *target_p_who = NULL;

  if (mask != NULL)
  {
    collapse(mask);

    if (*mask == '\0')
    {
      sendto_one(client_p, form_str(RPL_ENDOFWHO),
                 me.name, client_p->name, "*");
      return;
    }
  }
  else
  {
#ifdef OPERSPY_LOG
    operspy_log(client_p, "WHO", "*");
#endif
    who_global(client_p, NULL, server_oper);
    sendto_one(client_p, form_str(RPL_ENDOFWHO),
               me.name, client_p->name, "*");
    return;
  }

  /* /who #channel */
  if (IsChanPrefix(*mask))
  {
    if ((chptr_who = hash_find_channel(mask)) != NULL)
    {
#ifdef OPERSPY_LOG
      operspy_log(client_p, "WHO", mask);
#endif
      do_who_on_channel(client_p, chptr_who, chptr_who->chname);
    }

    sendto_one(client_p, form_str(RPL_ENDOFWHO),
               me.name, client_p->name, mask);
    return;
  }

  /* /who nick */
  if ((target_p_who = find_person(client_p, mask)) != NULL)
  {
#ifdef OPERSPY_LOG
    /* "nick!user@host server\0" */
    char nuh[NICKLEN + 1 + USERLEN + 1 + HOSTLEN + 1 + HOSTLEN + 1];

    ircsprintf(nuh, "%s!%s@%s %s", target_p_who->name,
               target_p_who->username, target_p_who->host,
               target_p_who->servptr->name);
    operspy_log(client_p, "WHO", nuh);
#endif

    if (target_p_who->channel.head != NULL)
    {
      chptr_who =
        ((struct Membership *)target_p_who->channel.head->data)->chptr;

      do_who(client_p, target_p_who, chptr_who->chname,
             get_member_status(target_p_who->channel.head->data, NO));
    }
    else
    {
      do_who(client_p, target_p_who, NULL, "");
    }

    sendto_one(client_p, form_str(RPL_ENDOFWHO),
               me.name, client_p->name, mask);
    return;
  }

#ifdef OPERSPY_LOG
  operspy_log(client_p, "WHO", parv[2]);
#endif

  /* /who 0 */
  if ((*(mask + 1) == '\0') && (*mask == '0'))
    who_global(client_p, NULL, server_oper);
  else
    who_global(client_p, mask, server_oper);

  /* nothing else? end of /who. */
  sendto_one(client_p, form_str(RPL_ENDOFWHO),
             me.name, client_p->name, mask);
}

static void
operspy_whois(struct Client *client_p, int parc, char *parv[])
{
  const dlink_node *lp;
  struct Channel *chptr_whois = NULL;
  struct Client *a2client_p;
  struct Client *target_p = NULL;
  char buf[IRCD_BUFSIZE];
#ifdef OPERSPY_LOG
  /* "nick!user@host server\0" */
  char nuh[NICKLEN + 1 + USERLEN + 1 + HOSTLEN + 1 + HOSTLEN + 1];
#endif
  char *t = NULL;
  int mlen, tlen;
  int cur_len = 0;
  int reply_to_send = NO;

  if (strchr(parv[2], '?') || strchr(parv[2], '*'))
  {
    sendto_one(client_p, ":%s NOTICE %s :Do not use wildcards with this.",
               me.name, client_p->name);
    return;
  }

  if ((target_p = find_person(client_p, parv[2])) == NULL)
  {
    sendto_one(client_p, form_str(ERR_NOSUCHNICK),
               me.name, client_p->name, parv[2]);
    return;
  }

#ifdef OPERSPY_LOG
  ircsprintf(nuh, "%s!%s@%s %s",
             target_p->name, target_p->username, target_p->host,
             target_p->servptr->name);
  operspy_log(client_p, "WHOIS", nuh);
#endif

  a2client_p = target_p->servptr;

  sendto_one(client_p, form_str(RPL_WHOISUSER), me.name,
             client_p->name, target_p->name, target_p->username,
             target_p->host, target_p->info);
  mlen = ircsprintf(buf, form_str(RPL_WHOISCHANNELS), me.name,
                    client_p->name, target_p->name, "");
  cur_len = mlen;
  t = buf + mlen;

  DLINK_FOREACH(lp, target_p->channel.head)
  {
    chptr_whois = ((struct Membership *)lp->data)->chptr;

    if ((cur_len + strlen(chptr_whois->chname) + 2) > (IRCD_BUFSIZE - 4))
    {
      sendto_one(client_p, "%s", buf);
      cur_len = mlen;
      t = buf + mlen;
    }

    tlen = ircsprintf(t, "%s%s%s ",
                     ShowChannel(client_p, chptr_whois) ? "" : "%",
                     get_member_status((struct Membership *)lp->data, YES),
                     chptr_whois->chname);
    t += tlen;
    cur_len += tlen;
    reply_to_send = YES;
  }

  if (reply_to_send == YES)
    sendto_one(client_p, "%s", buf);

  sendto_one(client_p, form_str(RPL_WHOISSERVER), me.name,
             client_p->name, target_p->name, a2client_p->name,
             a2client_p->info);

  if (IsOper(target_p))
    sendto_one(client_p, form_str(IsAdmin(target_p) ? RPL_WHOISADMIN :
               RPL_WHOISOPERATOR), me.name, client_p->name, target_p->name);

  if (MyConnect(target_p))
    sendto_one(client_p, form_str(RPL_WHOISIDLE), me.name,
               client_p->name, target_p->name, CurrentTime - target_p->localClient->last,
               target_p->firsttime);
  sendto_one(client_p, form_str(RPL_ENDOFWHOIS),
             me.name, client_p->name, parv[2]);
}

/* extensions for OPERSPY WHO */
static void
do_who(struct Client *source_p, struct Client *target_p,
       char *chname, const char *op_flags)
{
  char status[8];

  ircsprintf(status, "%c%s%s", target_p->away ? 'G' : 'H',
             IsOper(target_p) ? "*" : "", op_flags);
  sendto_one(source_p, form_str(RPL_WHOREPLY), me.name, source_p->name,
             (chname) ? (chname) : "*",
             target_p->username,
             target_p->host,  target_p->servptr->name, target_p->name,
             status, target_p->hopcount, target_p->info);
}

static void
who_global(struct Client *source_p, char *mask, int server_oper)
{
  struct Client *target_p;
  dlink_node *lp;
  int maxmatches = 500;
                        
  /* list all matching visible clients */
  DLINK_FOREACH(lp, global_client_list.head)
  {
    target_p = lp->data;

    if (!IsClient(target_p))
      continue;

    if (server_oper && !IsOper(target_p))
      continue;

    if (!mask ||
        match(mask, target_p->name) || match(mask, target_p->username) ||
        match(mask, target_p->host) || match(mask, target_p->servptr->name) ||
        match(mask, target_p->info) ||
        (MyClient(target_p) && match(mask, target_p->sockhost)))
    {
      if (dlink_list_length(&target_p->channel))
      {
        struct Channel *chptr;
        static char fl[5];

        chptr = ((struct Membership *)(target_p->channel.head->data))->chptr;
        snprintf(fl, sizeof(fl), "%s",
                 get_member_status((struct Membership *)(target_p->channel.head->data), NO));

        do_who(source_p, target_p, chptr->chname, fl);
      }
      else
        do_who(source_p, target_p, NULL, "");

      if (maxmatches > 0)
      {
        if (--maxmatches == 0)
          return;
      }
    }
  }
}

static void
do_who_on_channel(struct Client *source_p, struct Channel *chptr,
                  char *chname)
{
  dlink_node *ptr;
  struct Membership *ms;

  DLINK_FOREACH(ptr, chptr->members.head)
  {
    ms = ptr->data;
    do_who(source_p, ms->client_p, chname, get_member_status(ms, NO));
  }
}

#ifdef OPERSPY_LOG
static void
operspy_log(struct Client *source_p, const char *command, const char *target)
{
  struct ConfItem *conf = NULL;
#ifdef OPERSPY_LOGFILE
  size_t nbytes = 0;
  FBFILE *operspy_fb;
  dlink_node *cnode;
  const char *opername = source_p->name;
  char linebuf[IRCD_BUFSIZE], logfile[IRCD_BUFSIZE];
#endif

  assert(source_p != NULL);

#ifdef OPERSPY_LOGFILE
  if (IsOper(source_p) && MyClient(source_p))
  {
    DLINK_FOREACH(cnode, source_p->localClient->confs.head)
    {
      conf = cnode->data;

      if (conf->type == OPER_TYPE)
        opername = conf->name;
    }
  }
  else if (!MyClient(source_p))
    opername = "remote";

  ircsprintf(logfile, "%s/operspy.%s.log", LOGPATH, opername);
  if ((operspy_fb = fbopen(logfile, "a")) == NULL)
    return;

  nbytes = ircsprintf(linebuf, "[%s] OPERSPY %s %s %s\n",
                      smalldate(CurrentTime),
                      get_oper_name(source_p),
                      command, target);
  fbputs(linebuf, operspy_fb, nbytes);
  fbclose(operspy_fb);
#endif

#ifdef OPERSPY_NOTICE
  sendto_realops_flags(UMODE_SPY, L_ALL, "OPERSPY %s %s %s",
                       get_oper_name(source_p), command, target);
#endif

  if (MyClient(source_p))
    sendto_match_servs(source_p, "*", CAP_ENCAP, "ENCAP * OPERSPY %s :%s",
                       command, target);
}
#endif /* OPERSPY_LOG */
Revision:	34
Committed:	Sun Oct 2 21:05:51 2005 UTC (20 years, 10 months ago) by lusky
Content type:	text/x-csrc
File size:	17424 byte(s)
Log Message:	create 7.2 branch, we can move/rename it as needed.
#	User	Rev	Content
1	adx	30	/************************************************************************
2			* IRC - Internet Relay Chat, contrib/m_operspy.c
3			* Copyright (C) 2002 William Bierman III and the Hybrid Development Team
4			*
5			* This program is free software; you can redistribute it and/or modify
6			* it under the terms of the GNU General Public License as published by
7			* the Free Software Foundation; either version 1, or (at your option)
8			* any later version.
9			*
10			* This program is distributed in the hope that it will be useful,
11			* but WITHOUT ANY WARRANTY; without even the implied warranty of
12			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13			* GNU General Public License for more details.
14			*
15			* You should have received a copy of the GNU General Public License
16			* along with this program; if not, write to the Free Software
17			* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18			*
19	knight	31	* $Id$
20	adx	30	*/
21
22			/* PLEASE READ ME */
23			/*
24			* This module gives an extraordinary amount of power to the opers
25			* who have the access to use it. It allows for users' privacy to
26			* be pretty much obliterated. The Hybrid Team assumes absolutely
27			* no responsibility for this file's (mis)use.
28			*
29			* - billy-jon
30			*/
31
32			#include "stdinc.h"
33			#include "tools.h"
34			#include "irc_string.h"
35			#include "handlers.h"
36			#include "channel.h"
37			#include "channel_mode.h"
38			#include "client.h"
39			#include "common.h" /* FALSE bleah */
40			#include "ircd.h"
41			#include "sprintf_irc.h"
42			#include "numeric.h"
43			#include "fdlist.h"
44			#include "s_bsd.h"
45			#include "s_conf.h"
46			#include "s_log.h"
47			#include "s_serv.h"
48			#include "s_misc.h"
49			#include "send.h"
50			#include "msg.h"
51			#include "parse.h"
52			#include "modules.h"
53			#include "hash.h"
54
55			/* enable logging of OPERSPY functions */
56			#define OPERSPY_LOG
57
58			/* enable this to log all local/remote operspy usage to a logfile */
59			#define OPERSPY_LOGFILE
60
61			/* enable this to send incoming operspy usage to connected +y (UMODE_SPY) opers */
62			#define OPERSPY_NOTICE
63
64			/* enable OPERSPY version of LIST */
65			#define OPERSPY_LIST
66
67			/* enable OPERSPY version of MODE */
68			#define OPERSPY_MODE
69
70			/* enable OPERSPY version of NAMES */
71			#define OPERSPY_NAMES
72
73			/* enable OPERSPY version of WHO */
74			#define OPERSPY_WHO
75
76			/* enable OPERSPY version of WHOIS */
77			#define OPERSPY_WHOIS
78
79			/* enable OPERSPY version of TOPIC */
80			#define OPERSPY_TOPIC
81
82			#define IsOperspy(x) (IsOper(x) && MyClient(x) && IsAdmin(x))
83
84			/* The commands we will add */
85			static void ms_operspy(struct Client , struct Client , int, char *[]);
86			static void mo_operspy(struct Client , struct Client , int, char *[]);
87
88			/* extensions for OPERSPY WHO */
89			static void do_who(struct Client , struct Client , char , const char );
90			static void who_global(struct Client , char , int);
91			static void do_who_on_channel(struct Client , struct Channel , char *);
92
93			static void operspy_list(struct Client , int, char []);
94			static void operspy_mode(struct Client , int, char []);
95			static void operspy_names(struct Client , int, char []);
96			static void operspy_topic(struct Client , int, char []);
97			static void operspy_who(struct Client , int, char []);
98			static void operspy_whois(struct Client , int, char []);
99
100
101			struct Message operspy_msgtab = {
102			"OPERSPY", 0, 0, 3, 4, MFLG_SLOW, 0,
103			{m_ignore, m_not_oper, ms_operspy, ms_operspy, mo_operspy, m_ignore}
104			};
105
106			static const struct operspy_s {
107			const char *const cmd;
108			void (const func_p)(struct Client , int, char *[]);
109			} operspy_table[] = {
110			#ifdef OPERSPY_LIST
111			{ "LIST", operspy_list },
112			#endif
113			#ifdef OPERSPY_MODE
114			{ "MODE", operspy_mode },
115			#endif
116			#ifdef OPERSPY_NAMES
117			{ "NAMES", operspy_names },
118			#endif
119			#ifdef OPERSPY_TOPIC
120			{ "TOPIC", operspy_topic },
121			#endif
122			#ifdef OPERSPY_WHO
123			{ "WHO", operspy_who },
124			#endif
125			#ifdef OPERSPY_WHOIS
126			{ "WHOIS", operspy_whois },
127			#endif
128			{ NULL, NULL }
129			};
130
131			#ifndef STATIC_MODULES
132			void
133			_modinit(void)
134			{
135			mod_add_cmd(&operspy_msgtab);
136			}
137
138			void
139			_moddeinit(void)
140			{
141			mod_del_cmd(&operspy_msgtab);
142			}
143	knight	31	const char *_version = "$Revision$";
144	adx	30	#endif
145
146			#ifdef OPERSPY_LOG
147			static void operspy_log(struct Client , const char , const char *);
148			#endif
149
150			static void
151			ms_operspy(struct Client client_p, struct Client source_p,
152			int parc, char *parv[])
153			{
154			#ifdef OPERSPY_LOG
155			operspy_log(source_p, parv[1], parv[2]);
156			#endif
157			}
158
159			/* mo_operspy()
160			* parv[1] = operspy command
161			* parv[2] = command parameter
162			*/
163			static void
164			mo_operspy(struct Client client_p, struct Client source_p,
165			int parc, char *parv[])
166			{
167			char cmdbuf[IRCD_BUFSIZE] = "<NONE>"; /* in case everything is undef'd */
168			size_t bcnt = 0;
169			const struct operspy_s *optr = NULL;
170
171			if (!IsOperspy(client_p))
172			{
173			sendto_one(client_p, form_str(ERR_NOPRIVILEGES),
174			me.name, client_p->name);
175			return;
176			}
177
178			assert(client_p == source_p);
179
180			for (optr = operspy_table; optr->cmd; ++optr)
181			{
182			if (!irccmp(optr->cmd, parv[1]))
183			{
184			(*optr->func_p)(client_p, parc, parv);
185			return;
186			}
187			}
188
189			for (optr = operspy_table; optr->cmd; ++optr)
190			{
191			/* strcat is slow and sucks /
192			bcnt += strlcpy(cmdbuf+bcnt, optr->cmd, sizeof(cmdbuf)-bcnt);
193			if ((optr + 1)->cmd != NULL && bcnt < (sizeof(cmdbuf)-2))
194			{
195			cmdbuf[bcnt++] = ',';
196			cmdbuf[bcnt++] = ' ';
197			}
198			}
199
200			sendto_one(client_p, ":%s NOTICE %s :%s is not a valid option. Choose from %s",
201			me.name, client_p->name, parv[1], cmdbuf);
202			}
203
204			static void
205			operspy_list(struct Client client_p, int parc, char parv[])
206			{
207			const dlink_node *ptr = NULL;
208			#ifdef OPERSPY_LOG
209			operspy_log(client_p, "LIST", parv[2]);
210			#endif
211
212			if (*parv[2] == '\0')
213			return;
214
215			sendto_one(client_p, form_str(RPL_LISTSTART),
216			me.name, client_p->name);
217
218			DLINK_FOREACH(ptr, global_channel_list.head)
219			{
220			const struct Channel *chptr_list = ptr->data;
221
222			if (match_chan(parv[2], chptr_list->chname))
223			{
224			sendto_one(client_p, form_str(RPL_LIST), me.name, client_p->name,
225			chptr_list->chname, dlink_list_length(&chptr_list->members),
226			chptr_list->topic == NULL ? "" : chptr_list->topic);
227			}
228			}
229
230			sendto_one(client_p, form_str(RPL_LISTEND),
231			me.name, client_p->name);
232			}
233
234			static void
235			operspy_mode(struct Client client_p, int parc, char parv[])
236			{
237			/* needed to preserve actual client status */
238			int c_status = 0;
239			char modebuf[MODEBUFLEN];
240			char parabuf[MODEBUFLEN];
241			struct Channel *chptr_mode = NULL;
242
243			if ((chptr_mode = hash_find_channel(parv[2])) == NULL)
244			{
245			/*
246			* according to m_mode.c, the channel could exist on the uplink still,
247			* but I don't see how. Even if it does, we won't be able to spy without
248			* info.
249			*/
250			sendto_one(client_p, form_str(ERR_NOSUCHCHANNEL),
251			me.name, client_p->name, parv[2]);
252			return;
253			}
254
255			#ifdef OPERSPY_LOG
256			operspy_log(client_p, "MODE", parv[2]);
257			#endif
258
259			/*
260			* XXX - this is a dirty nasty kludge to trick channel_modes()
261			* into giving us the key
262			*/
263			c_status = client_p->status;
264			client_p->status = STAT_SERVER;
265
266			channel_modes(chptr_mode, client_p, modebuf, parabuf);
267			client_p->status = c_status;
268
269			sendto_one(client_p, form_str(RPL_CHANNELMODEIS),
270			me.name, client_p->name, parv[2], modebuf, parabuf);
271			sendto_one(client_p, form_str(RPL_CREATIONTIME),
272			me.name, client_p->name, parv[2], chptr_mode->channelts);
273			}
274
275			static void
276			operspy_names(struct Client client_p, int parc, char parv[])
277			{
278			/* as with mode, must preserve channel modes */
279			struct Channel *chptr_names = NULL;
280
281			if ((chptr_names = hash_find_channel(parv[2])) == NULL)
282			{
283			sendto_one(client_p, form_str(ERR_NOSUCHCHANNEL),
284			me.name, client_p->name, parv[2]);
285			return;
286			}
287
288			#ifdef OPERSPY_LOG
289			operspy_log(client_p, "NAMES", parv[2]);
290			#endif
291
292			/* the way to go with this, rather than temporarily setting -sp,
293			* is to temporarily add our client to the member list. then
294			* we can also list +i users. an unfortunate side-effect of this
295			* is that your nickname shows up in the list. for now, there is
296			* no easy way around it.
297			*/
298			add_user_to_channel(chptr_names, client_p, CHFL_CHANOP, NO);
299			channel_member_names(client_p, chptr_names, 1);
300			remove_user_from_channel(find_channel_link(client_p, chptr_names));
301			}
302
303			static void
304			operspy_topic(struct Client client_p, int parc, char parv[])
305			{
306			const struct Channel *chptr_topic = NULL;
307
308			if ((chptr_topic = hash_find_channel(parv[2])) == NULL)
309			{
310			sendto_one(client_p, form_str(ERR_NOSUCHCHANNEL),
311			me.name, client_p->name, parv[2]);
312			return;
313			}
314
315			#ifdef OPERSPY_LOG
316			operspy_log(client_p, "TOPIC", parv[2]);
317			#endif
318
319			if (chptr_topic->topic == NULL)
320			sendto_one(client_p, form_str(RPL_NOTOPIC),
321			me.name, client_p->name, parv[2]);
322			else
323			{
324			sendto_one(client_p, form_str(RPL_TOPIC), me.name, client_p->name,
325			chptr_topic->chname, chptr_topic->topic);
326			sendto_one(client_p, form_str(RPL_TOPICWHOTIME), me.name,
327			client_p->name, chptr_topic->chname, chptr_topic->topic_info,
328			chptr_topic->topic_time);
329			}
330			}
331
332			static void
333			operspy_who(struct Client client_p, int parc, char parv[])
334			{
335			char *mask = parc > 2 ? parv[2] : NULL;
336			int server_oper = parc > 3 ? (*parv[3] == 'o') : 0;
337			struct Channel *chptr_who = NULL;
338			struct Client *target_p_who = NULL;
339
340			if (mask != NULL)
341			{
342			collapse(mask);
343
344			if (*mask == '\0')
345			{
346			sendto_one(client_p, form_str(RPL_ENDOFWHO),
347			me.name, client_p->name, "*");
348			return;
349			}
350			}
351			else
352			{
353			#ifdef OPERSPY_LOG
354			operspy_log(client_p, "WHO", "*");
355			#endif
356			who_global(client_p, NULL, server_oper);
357			sendto_one(client_p, form_str(RPL_ENDOFWHO),
358			me.name, client_p->name, "*");
359			return;
360			}
361
362			/* /who #channel */
363			if (IsChanPrefix(*mask))
364			{
365			if ((chptr_who = hash_find_channel(mask)) != NULL)
366			{
367			#ifdef OPERSPY_LOG
368			operspy_log(client_p, "WHO", mask);
369			#endif
370			do_who_on_channel(client_p, chptr_who, chptr_who->chname);
371			}
372
373			sendto_one(client_p, form_str(RPL_ENDOFWHO),
374			me.name, client_p->name, mask);
375			return;
376			}
377
378			/* /who nick */
379			if ((target_p_who = find_person(client_p, mask)) != NULL)
380			{
381			#ifdef OPERSPY_LOG
382			/* "nick!user@host server\0" */
383			char nuh[NICKLEN + 1 + USERLEN + 1 + HOSTLEN + 1 + HOSTLEN + 1];
384
385			ircsprintf(nuh, "%s!%s@%s %s", target_p_who->name,
386			target_p_who->username, target_p_who->host,
387			target_p_who->servptr->name);
388			operspy_log(client_p, "WHO", nuh);
389			#endif
390
391			if (target_p_who->channel.head != NULL)
392			{
393			chptr_who =
394			((struct Membership *)target_p_who->channel.head->data)->chptr;
395
396			do_who(client_p, target_p_who, chptr_who->chname,
397			get_member_status(target_p_who->channel.head->data, NO));
398			}
399			else
400			{
401			do_who(client_p, target_p_who, NULL, "");
402			}
403
404			sendto_one(client_p, form_str(RPL_ENDOFWHO),
405			me.name, client_p->name, mask);
406			return;
407			}
408
409			#ifdef OPERSPY_LOG
410			operspy_log(client_p, "WHO", parv[2]);
411			#endif
412
413			/* /who 0 */
414			if (((mask + 1) == '\0') && (mask == '0'))
415			who_global(client_p, NULL, server_oper);
416			else
417			who_global(client_p, mask, server_oper);
418
419			/* nothing else? end of /who. */
420			sendto_one(client_p, form_str(RPL_ENDOFWHO),
421			me.name, client_p->name, mask);
422			}
423
424			static void
425			operspy_whois(struct Client client_p, int parc, char parv[])
426			{
427			const dlink_node *lp;
428			struct Channel *chptr_whois = NULL;
429			struct Client *a2client_p;
430			struct Client *target_p = NULL;
431			char buf[IRCD_BUFSIZE];
432			#ifdef OPERSPY_LOG
433			/* "nick!user@host server\0" */
434			char nuh[NICKLEN + 1 + USERLEN + 1 + HOSTLEN + 1 + HOSTLEN + 1];
435			#endif
436			char *t = NULL;
437			int mlen, tlen;
438			int cur_len = 0;
439			int reply_to_send = NO;
440
441			if (strchr(parv[2], '?') \|\| strchr(parv[2], '*'))
442			{
443			sendto_one(client_p, ":%s NOTICE %s :Do not use wildcards with this.",
444			me.name, client_p->name);
445			return;
446			}
447
448			if ((target_p = find_person(client_p, parv[2])) == NULL)
449			{
450			sendto_one(client_p, form_str(ERR_NOSUCHNICK),
451			me.name, client_p->name, parv[2]);
452			return;
453			}
454
455			#ifdef OPERSPY_LOG
456			ircsprintf(nuh, "%s!%s@%s %s",
457			target_p->name, target_p->username, target_p->host,
458			target_p->servptr->name);
459			operspy_log(client_p, "WHOIS", nuh);
460			#endif
461
462			a2client_p = target_p->servptr;
463
464			sendto_one(client_p, form_str(RPL_WHOISUSER), me.name,
465			client_p->name, target_p->name, target_p->username,
466			target_p->host, target_p->info);
467			mlen = ircsprintf(buf, form_str(RPL_WHOISCHANNELS), me.name,
468			client_p->name, target_p->name, "");
469			cur_len = mlen;
470			t = buf + mlen;
471
472			DLINK_FOREACH(lp, target_p->channel.head)
473			{
474			chptr_whois = ((struct Membership *)lp->data)->chptr;
475
476			if ((cur_len + strlen(chptr_whois->chname) + 2) > (IRCD_BUFSIZE - 4))
477			{
478			sendto_one(client_p, "%s", buf);
479			cur_len = mlen;
480			t = buf + mlen;
481			}
482
483			tlen = ircsprintf(t, "%s%s%s ",
484			ShowChannel(client_p, chptr_whois) ? "" : "%",
485			get_member_status((struct Membership *)lp->data, YES),
486			chptr_whois->chname);
487			t += tlen;
488			cur_len += tlen;
489			reply_to_send = YES;
490			}
491
492			if (reply_to_send == YES)
493			sendto_one(client_p, "%s", buf);
494
495			sendto_one(client_p, form_str(RPL_WHOISSERVER), me.name,
496			client_p->name, target_p->name, a2client_p->name,
497			a2client_p->info);
498
499			if (IsOper(target_p))
500			sendto_one(client_p, form_str(IsAdmin(target_p) ? RPL_WHOISADMIN :
501			RPL_WHOISOPERATOR), me.name, client_p->name, target_p->name);
502
503			if (MyConnect(target_p))
504			sendto_one(client_p, form_str(RPL_WHOISIDLE), me.name,
505			client_p->name, target_p->name, CurrentTime - target_p->localClient->last,
506			target_p->firsttime);
507			sendto_one(client_p, form_str(RPL_ENDOFWHOIS),
508			me.name, client_p->name, parv[2]);
509			}
510
511			/* extensions for OPERSPY WHO */
512			static void
513			do_who(struct Client source_p, struct Client target_p,
514			char chname, const char op_flags)
515			{
516			char status[8];
517
518			ircsprintf(status, "%c%s%s", target_p->away ? 'G' : 'H',
519			IsOper(target_p) ? "*" : "", op_flags);
520			sendto_one(source_p, form_str(RPL_WHOREPLY), me.name, source_p->name,
521			(chname) ? (chname) : "*",
522			target_p->username,
523			target_p->host, target_p->servptr->name, target_p->name,
524			status, target_p->hopcount, target_p->info);
525			}
526
527			static void
528			who_global(struct Client source_p, char mask, int server_oper)
529			{
530			struct Client *target_p;
531			dlink_node *lp;
532			int maxmatches = 500;
533
534			/* list all matching visible clients */
535			DLINK_FOREACH(lp, global_client_list.head)
536			{
537			target_p = lp->data;
538
539			if (!IsClient(target_p))
540			continue;
541
542			if (server_oper && !IsOper(target_p))
543			continue;
544
545			if (!mask \|\|
546			match(mask, target_p->name) \|\| match(mask, target_p->username) \|\|
547			match(mask, target_p->host) \|\| match(mask, target_p->servptr->name) \|\|
548			match(mask, target_p->info) \|\|
549			(MyClient(target_p) && match(mask, target_p->sockhost)))
550			{
551			if (dlink_list_length(&target_p->channel))
552			{
553			struct Channel *chptr;
554			static char fl[5];
555
556			chptr = ((struct Membership *)(target_p->channel.head->data))->chptr;
557			snprintf(fl, sizeof(fl), "%s",
558			get_member_status((struct Membership *)(target_p->channel.head->data), NO));
559
560			do_who(source_p, target_p, chptr->chname, fl);
561			}
562			else
563			do_who(source_p, target_p, NULL, "");
564
565			if (maxmatches > 0)
566			{
567			if (--maxmatches == 0)
568			return;
569			}
570			}
571			}
572			}
573
574			static void
575			do_who_on_channel(struct Client source_p, struct Channel chptr,
576			char *chname)
577			{
578			dlink_node *ptr;
579			struct Membership *ms;
580
581			DLINK_FOREACH(ptr, chptr->members.head)
582			{
583			ms = ptr->data;
584			do_who(source_p, ms->client_p, chname, get_member_status(ms, NO));
585			}
586			}
587
588			#ifdef OPERSPY_LOG
589			static void
590			operspy_log(struct Client source_p, const char command, const char *target)
591			{
592			struct ConfItem *conf = NULL;
593			#ifdef OPERSPY_LOGFILE
594			size_t nbytes = 0;
595			FBFILE *operspy_fb;
596			dlink_node *cnode;
597			const char *opername = source_p->name;
598			char linebuf[IRCD_BUFSIZE], logfile[IRCD_BUFSIZE];
599			#endif
600
601			assert(source_p != NULL);
602
603			#ifdef OPERSPY_LOGFILE
604			if (IsOper(source_p) && MyClient(source_p))
605			{
606			DLINK_FOREACH(cnode, source_p->localClient->confs.head)
607			{
608			conf = cnode->data;
609
610			if (conf->type == OPER_TYPE)
611			opername = conf->name;
612			}
613			}
614			else if (!MyClient(source_p))
615			opername = "remote";
616
617			ircsprintf(logfile, "%s/operspy.%s.log", LOGPATH, opername);
618			if ((operspy_fb = fbopen(logfile, "a")) == NULL)
619			return;
620
621			nbytes = ircsprintf(linebuf, "[%s] OPERSPY %s %s %s\n",
622			smalldate(CurrentTime),
623			get_oper_name(source_p),
624			command, target);
625			fbputs(linebuf, operspy_fb, nbytes);
626			fbclose(operspy_fb);
627			#endif
628
629			#ifdef OPERSPY_NOTICE
630			sendto_realops_flags(UMODE_SPY, L_ALL, "OPERSPY %s %s %s",
631			get_oper_name(source_p), command, target);
632			#endif
633
634			if (MyClient(source_p))
635			sendto_match_servs(source_p, "", CAP_ENCAP, "ENCAP OPERSPY %s :%s",
636			command, target);
637			}
638			#endif /* OPERSPY_LOG */