ircd-hybrid/modules/m_rkline.c

/*
 *  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
 *  m_kline.c: Bans a user.
 *
 *  Copyright (C) 2005 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 "channel.h"
#include "client.h"
#include "common.h"
#include "ircd.h"
#include "hostmask.h"
#include "numeric.h"
#include "s_conf.h"
#include "send.h"
#include "hash.h"
#include "handlers.h"
#include "s_serv.h"
#include "msg.h"
#include "s_gline.h"
#include "parse.h"
#include "modules.h"

static void me_rkline(struct Client *, struct Client *, int, char *[]);
static void mo_rkline(struct Client *, struct Client *, int, char *[]);
static void ms_rkline(struct Client *, struct Client *, int, char *[]);

static void me_unrkline(struct Client *, struct Client *, int, char *[]);
static void mo_unrkline(struct Client *, struct Client *, int, char *[]);
static void ms_unrkline(struct Client *, struct Client *, int, char *[]);
/* Local function prototypes */
static int already_placed_rkline(struct Client *, const char *, const char *);
static void apply_rkline(struct Client *, struct ConfItem *, const char *, time_t);
static void apply_trkline(struct Client *, struct ConfItem *, int);

static char buffer[IRCD_BUFSIZE];
static int remove_trkline_match(const char *, const char *);

struct Message rkline_msgtab = {
  "RKLINE", 0, 0, 2, 0, MFLG_SLOW, 0,
   {m_unregistered, m_not_oper, ms_rkline, me_rkline, mo_rkline, m_ignore}
};

struct Message unrkline_msgtab = {
  "UNRKLINE", 0, 0, 2, 0, MFLG_SLOW, 0,
   {m_unregistered, m_not_oper, ms_unrkline, me_unrkline, mo_unrkline, m_ignore}
};

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

void
_moddeinit(void)
{
  mod_del_cmd(&rkline_msgtab);
  mod_del_cmd(&unrkline_msgtab);
}

const char *_version = "$Revision$";
#endif

/* mo_rkline()
 *
 * inputs       - pointer to server
 *              - pointer to client
 *              - parameter count
 *              - parameter list
 * output       -
 * side effects - rk line is added
 */
static void
mo_rkline(struct Client *client_p, struct Client *source_p,
          int parc, char *parv[])
{
  pcre *exp_user = NULL, *exp_host = NULL;
  const char *errptr = NULL;
  char *reason = NULL;
  char *oper_reason = NULL;
  char *user = NULL;
  char *host = NULL;
  const char *current_date = NULL;
  char *target_server = NULL;
  struct ConfItem *conf = NULL;
  struct AccessItem *aconf = NULL;
  time_t tkline_time = 0;
  time_t cur_time = 0;

  if (!IsAdmin(source_p) || !IsOperK(source_p))
  {
    sendto_one(source_p, form_str(ERR_NOPRIVS),
               me.name, source_p->name, "rkline");
    return;
  }

  if (parse_aline("RKLINE", source_p, parc, parv, NOUSERLOOKUP, &user,
                  &host, &tkline_time, &target_server, &reason) < 0)
    return;

  if (target_server != NULL)
  {
    if (HasID(source_p))
    {
      sendto_server(NULL, source_p, NULL, CAP_KLN|CAP_TS6, NOCAPS, LL_ICLIENT,
                    ":%s RKLINE %s %lu %s %s :%s",
                    source_p->id, target_server, (unsigned long)tkline_time,
                    user, host, reason);
      sendto_server(NULL, source_p, NULL, CAP_KLN, CAP_TS6, LL_ICLIENT,
                    ":%s RKLINE %s %lu %s %s :%s",
                    source_p->name, target_server, (unsigned long)tkline_time,
                    user, host, reason);
    }
    else
      sendto_server(NULL, source_p, NULL, CAP_KLN, NOCAPS, LL_ICLIENT,
                    ":%s RKLINE %s %lu %s %s :%s",
                    source_p->name, target_server, (unsigned long)tkline_time,
                    user, host, reason);

    /* Allow ON to apply local kline as well if it matches */
    if (!match(target_server, me.name))
      return;
  }
#if 0
  else
    cluster_a_line(source_p, "RKLINE", CAP_KLN, SHARED_KLINE,
                   "%d %s %s :%s", tkline_time, user, host, reason);
#endif

  if (already_placed_rkline(source_p, user, host))
    return;

  /* Look for an oper reason */
  if ((oper_reason = strchr(reason, '|')) != NULL)
    *oper_reason++ = '\0';

  if (!(exp_user = ircd_pcre_compile(user, &errptr)) ||
      !(exp_host = ircd_pcre_compile(host, &errptr)))
  {
    sendto_realops_flags(UMODE_ALL, L_ALL,
           "Failed to add regular expression based K-Line: %s", errptr);
    return;
  }

  cur_time = CurrentTime;
  current_date = smalldate(cur_time);
  conf = make_conf_item(RKLINE_TYPE);
  aconf = map_to_conf(conf);

  DupString(aconf->host, host);
  DupString(aconf->user, user);

  aconf->regexuser = exp_user;
  aconf->regexhost = exp_host;

  if (tkline_time != 0)
  {
    ircsprintf(buffer, "Temporary RK-line %d min. - %s (%s)",
               (int)(tkline_time/60), reason, current_date);
    DupString(aconf->reason, buffer);

    if (oper_reason != NULL)
      DupString(aconf->oper_reason, oper_reason);
    apply_trkline(source_p, conf, tkline_time);
  }
  else
  {
    ircsprintf(buffer, "%s (%s)", reason, current_date);
    DupString(aconf->reason, buffer);

    if (oper_reason != NULL)
      DupString(aconf->oper_reason, oper_reason);
    apply_rkline(source_p, conf, current_date, cur_time);
  }
}

/* me_rkline - handle remote rkline. no propagation */
static void
me_rkline(struct Client *client_p, struct Client *source_p,
         int parc, char *parv[])
{
  struct ConfItem *conf = NULL;
  struct AccessItem *aconf = NULL;
  int tkline_time;
  const char *current_date = NULL;
  time_t cur_time;
  char *kuser, *khost, *kreason, *oper_reason;

  if (parc != 6 || EmptyString(parv[5]))
    return;

  if (!match(parv[1], me.name))
    return;

  tkline_time = valid_tkline(parv[2], TK_SECONDS);
  kuser = parv[3];
  khost = parv[4];
  kreason = parv[5];

  if ((oper_reason = strchr(kreason, '|')) != NULL)
    *oper_reason++ = '\0';

  cur_time = CurrentTime;
  current_date = smalldate(cur_time);

  if (find_matching_name_conf(ULINE_TYPE, source_p->servptr->name,
                              source_p->username, source_p->host,
                              SHARED_KLINE))
  {
    pcre *exp_user = NULL, *exp_host = NULL;
    const char *errptr = NULL;

    if (!IsClient(source_p) ||
        already_placed_rkline(source_p, kuser, khost))
      return;

    if (!(exp_user = ircd_pcre_compile(kuser, &errptr)) ||
        !(exp_host = ircd_pcre_compile(khost, &errptr)))
    {
      sendto_realops_flags(UMODE_ALL, L_ALL,
             "Failed to add regular expression based K-Line: %s", errptr);
      return;
    }

    conf = make_conf_item(RKLINE_TYPE);
    aconf = map_to_conf(conf);
    DupString(aconf->host, khost);
    DupString(aconf->user, kuser);

    aconf->regexuser = exp_user;
    aconf->regexhost = exp_host;

    if (tkline_time)
    {
      ircsprintf(buffer, "Temporary RK-line %d min. - %s (%s)",
                 (int)(tkline_time/60), kreason, current_date);
      DupString(aconf->reason, buffer);

      if (oper_reason != NULL)
        DupString(aconf->oper_reason, oper_reason);
      apply_trkline(source_p, conf, tkline_time);
    }
    else
    {
      ircsprintf(buffer, "%s (%s)", kreason, current_date);
      DupString(aconf->reason, buffer);

      if (oper_reason != NULL)
        DupString(aconf->oper_reason, oper_reason);
      apply_rkline(source_p, conf, current_date, cur_time);
    }
  }
}

static void
ms_rkline(struct Client *client_p, struct Client *source_p,
          int parc, char *parv[])
{
  if (parc != 6 || EmptyString(parv[5]))
    return;

  /* parv[0]  parv[1]        parv[2]      parv[3]  parv[4]  parv[5] */
  /* oper     target_server  tkline_time  user     host     reason */
  sendto_match_servs(source_p, parv[1], CAP_KLN,
                     "RKLINE %s %s %s %s :%s",
                     parv[1], parv[2], parv[3], parv[4], parv[5]);

  me_rkline(client_p, source_p, parc, parv);
}

/* apply_rkline()
 *
 * inputs       -
 * output       - NONE
 * side effects - kline as given, is added to the hashtable
 *                and conf file
 */
static void 
apply_rkline(struct Client *source_p, struct ConfItem *conf,
             const char *current_date, time_t cur_time)
{
  write_conf_line(source_p, conf, current_date, cur_time);
  /* Now, activate kline against current online clients */
  rehashed_klines = 1;
}

/* apply_trkline()
 *
 * inputs       -
 * output       - NONE
 * side effects - tkline as given is placed
 */
static void
apply_trkline(struct Client *source_p, struct ConfItem *conf,
             int tkline_time)
{
  struct AccessItem *aconf = map_to_conf(conf);

  aconf->hold = CurrentTime + tkline_time;
  add_temp_line(conf);
  sendto_realops_flags(UMODE_ALL, L_ALL,
                       "%s added temporary %d min. RK-Line for [%s@%s] [%s]",
                       get_oper_name(source_p), tkline_time/60,
                       aconf->user, aconf->host,
                       aconf->reason);
  sendto_one(source_p, ":%s NOTICE %s :Added temporary %d min. RK-Line [%s@%s]",
             MyConnect(source_p) ? me.name : ID_or_name(&me, source_p->from),
             source_p->name, tkline_time/60, aconf->user, aconf->host);
  ilog(L_TRACE, "%s added temporary %d min. RK-Line for [%s@%s] [%s]",
       source_p->name, tkline_time/60,
       aconf->user, aconf->host, aconf->reason);
  rehashed_klines = 1;
}

/* already_placed_rkline()
 * inputs       - user to complain to, username & host to check for
 * outputs      - returns 1 on existing K-line, 0 if doesn't exist
 * side effects - notifies source_p if the K-line already exists
 */
static int
already_placed_rkline(struct Client *source_p, const char *user, const char *host)
{
  const dlink_node *ptr = NULL;

  DLINK_FOREACH(ptr, rkconf_items.head)
  {
    struct AccessItem *aptr = map_to_conf(ptr->data);

    if (!strcmp(user, aptr->user) &&
        !strcmp(aptr->host, host))
    {
      sendto_one(source_p,
                 ":%s NOTICE %s :[%s@%s] already RK-Lined by [%s@%s] - %s",
                 me.name, source_p->name, user, host, aptr->user,
                 aptr->host, aptr->reason ? aptr->reason : "No reason");
      return 1;
    }
  }

  return 0;
}

/*
 * mo_unrkline
 *      parv[0] = sender
 *      parv[1] = address to remove
 */
static void
mo_unrkline(struct Client *client_p,struct Client *source_p,
           int parc, char *parv[])
{
  char *target_server = NULL;
  char *user, *host;

  if (!IsAdmin(source_p) || !IsOperUnkline(source_p))
  {
    sendto_one(source_p, form_str(ERR_NOPRIVS),
               me.name, source_p->name, "unrkline");
    return;
  }

  if (parc < 2 || *parv[1] == '\0')
  {
    sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
               me.name, source_p->name, "UNRKLINE");
    return;
  }

  if (parse_aline("UNRKLINE", source_p, parc, parv, NOUSERLOOKUP, &user,
                  &host, NULL, &target_server, NULL) < 0)
    return;

  if (target_server != NULL)
  {
    sendto_match_servs(source_p, target_server, CAP_UNKLN,
                       "UNRKLINE %s %s %s",
                       target_server, user, host);

    /* Allow ON to apply local unkline as well if it matches */
    if (!match(target_server, me.name))
      return;
  }
#if 0
  else
    cluster_a_line(source_p, "UNRKLINE", CAP_UNKLN, SHARED_UNKLINE,
                   "%s %s", user, host);
#endif

  if (remove_trkline_match(host, user))
  {
    sendto_one(source_p,
               ":%s NOTICE %s :Un-klined [%s@%s] from temporary RK-Lines",
               me.name, source_p->name, user, host);
    sendto_realops_flags(UMODE_ALL, L_ALL,
                         "%s has removed the temporary RK-Line for: [%s@%s]",
                         get_oper_name(source_p), user, host);
    ilog(L_NOTICE, "%s removed temporary RK-Line for [%s@%s]",
         source_p->name, user, host);
    return;
  }

  if (remove_conf_line(RKLINE_TYPE, source_p, user, host) > 0)
  {
    sendto_one(source_p, ":%s NOTICE %s :RK-Line for [%s@%s] is removed", 
               me.name, source_p->name, user,host);
    sendto_realops_flags(UMODE_ALL, L_ALL,
                         "%s has removed the RK-Line for: [%s@%s]",
                         get_oper_name(source_p), user, host);
    ilog(L_NOTICE, "%s removed RK-Line for [%s@%s]",
         source_p->name, user, host);
  }
  else
    sendto_one(source_p, ":%s NOTICE %s :No RK-Line for [%s@%s] found", 
               me.name, source_p->name, user, host);
}

/* me_unrkline()
 *
 * inputs       - server
 *              - client
 *              - parc
 *              - parv
 * outputs      - none
 * side effects - if server is authorized, rkline is removed
 *                does not propagate message
 */
static void
me_unrkline(struct Client *client_p, struct Client *source_p,
           int parc, char *parv[])
{
  const char *user = NULL, *host = NULL;

  if (parc != 4 || EmptyString(parv[3]))
    return;

  user = parv[2];
  host = parv[3];

  if (!IsClient(source_p) || !match(parv[1], me.name))
    return;

  if (find_matching_name_conf(ULINE_TYPE, source_p->servptr->name,
                              source_p->username, source_p->host,
                              SHARED_UNKLINE))
  {
    if (remove_trkline_match(host, user))
    {
      sendto_one(source_p,
                 ":%s NOTICE %s :Un-klined [%s@%s] from temporary RK-Lines",
                 me.name, source_p->name, user, host);
      sendto_realops_flags(UMODE_ALL, L_ALL,  
                           "%s has removed the temporary RK-Line for: [%s@%s]",
                           get_oper_name(source_p), user, host);
      ilog(L_NOTICE, "%s removed temporary RK-Line for [%s@%s]",
           source_p->name, user, host);
      return;
    }

    if (remove_conf_line(RKLINE_TYPE, source_p, user, host) > 0)
    {
      sendto_one(source_p, ":%s NOTICE %s :RK-Line for [%s@%s] is removed",
                 me.name, source_p->name, user, host);
      sendto_realops_flags(UMODE_ALL, L_ALL,
                           "%s has removed the RK-Line for: [%s@%s]",
                           get_oper_name(source_p), user, host);

      ilog(L_NOTICE, "%s removed RK-Line for [%s@%s]",
           source_p->name, user, host);
    }
    else
      sendto_one(source_p, ":%s NOTICE %s :No RK-Line for [%s@%s] found",
                 me.name, source_p->name, user, host);
  }
}

/* ms_unrkline - propagates and handles a remote unrkline message */
static void
ms_unrkline(struct Client *client_p, struct Client *source_p,
           int parc, char *parv[])
{
  if (parc != 4 || EmptyString(parv[3]))
    return;

  sendto_match_servs(source_p, parv[1], CAP_UNKLN,
                     "UNRKLINE %s %s %s",
                     parv[1], parv[2], parv[3]);

  me_unrkline(client_p, source_p, parc, parv);
}

/* static int remove_rtkline_match(const char *host, const char *user)
 * Input: A hostname, a username to unrkline.
 * Output: returns YES on success, NO if no trkline removed.
 * Side effects: Any matching trklines are removed.
 */
static int
remove_trkline_match(const char *const host,
                     const char *const user)
{
  dlink_node *ptr = NULL;

  DLINK_FOREACH(ptr, temporary_rklines.head)
  {
    struct ConfItem *conf = ptr->data;
    struct AccessItem *aptr = map_to_conf(ptr->data);

    if (!strcmp(user, aptr->user) &&
        !strcmp(aptr->host, host))
    {
      dlinkDelete(ptr, &temporary_rklines);
      free_dlink_node(ptr);
      delete_conf_item(conf);
      return 1;
    }
  }

  return 0;
}
Revision:	69
Committed:	Tue Oct 4 16:09:51 2005 UTC (20 years, 10 months ago) by adx
Content type:	text/x-csrc
File size:	15964 byte(s)
Log Message:	- splitted ircd/libio, all headers connected with libio sources have been moved for internal use only. To use libio interface, include "libio.h" (which is already done in "stdinc.h")
#	User	Rev	Content
1	adx	30	/*
2			* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3			* m_kline.c: Bans a user.
4			*
5			* Copyright (C) 2005 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 "channel.h"
27			#include "client.h"
28			#include "common.h"
29			#include "ircd.h"
30			#include "hostmask.h"
31			#include "numeric.h"
32			#include "s_conf.h"
33			#include "send.h"
34			#include "hash.h"
35			#include "handlers.h"
36			#include "s_serv.h"
37			#include "msg.h"
38			#include "s_gline.h"
39			#include "parse.h"
40			#include "modules.h"
41
42			static void me_rkline(struct Client , struct Client , int, char *[]);
43			static void mo_rkline(struct Client , struct Client , int, char *[]);
44			static void ms_rkline(struct Client , struct Client , int, char *[]);
45
46			static void me_unrkline(struct Client , struct Client , int, char *[]);
47			static void mo_unrkline(struct Client , struct Client , int, char *[]);
48			static void ms_unrkline(struct Client , struct Client , int, char *[]);
49			/* Local function prototypes */
50			static int already_placed_rkline(struct Client , const char , const char *);
51			static void apply_rkline(struct Client , struct ConfItem , const char *, time_t);
52			static void apply_trkline(struct Client , struct ConfItem , int);
53
54			static char buffer[IRCD_BUFSIZE];
55			static int remove_trkline_match(const char , const char );
56
57			struct Message rkline_msgtab = {
58			"RKLINE", 0, 0, 2, 0, MFLG_SLOW, 0,
59			{m_unregistered, m_not_oper, ms_rkline, me_rkline, mo_rkline, m_ignore}
60			};
61
62			struct Message unrkline_msgtab = {
63			"UNRKLINE", 0, 0, 2, 0, MFLG_SLOW, 0,
64			{m_unregistered, m_not_oper, ms_unrkline, me_unrkline, mo_unrkline, m_ignore}
65			};
66
67			#ifndef STATIC_MODULES
68			void
69			_modinit(void)
70			{
71			mod_add_cmd(&rkline_msgtab);
72			mod_add_cmd(&unrkline_msgtab);
73			}
74
75			void
76			_moddeinit(void)
77			{
78			mod_del_cmd(&rkline_msgtab);
79			mod_del_cmd(&unrkline_msgtab);
80			}
81
82	knight	31	const char *_version = "$Revision$";
83	adx	30	#endif
84
85			/* mo_rkline()
86			*
87			* inputs - pointer to server
88			* - pointer to client
89			* - parameter count
90			* - parameter list
91			* output -
92			* side effects - rk line is added
93			*/
94			static void
95			mo_rkline(struct Client client_p, struct Client source_p,
96			int parc, char *parv[])
97			{
98			pcre exp_user = NULL, exp_host = NULL;
99			const char *errptr = NULL;
100			char *reason = NULL;
101			char *oper_reason = NULL;
102			char *user = NULL;
103			char *host = NULL;
104			const char *current_date = NULL;
105			char *target_server = NULL;
106			struct ConfItem *conf = NULL;
107			struct AccessItem *aconf = NULL;
108			time_t tkline_time = 0;
109			time_t cur_time = 0;
110
111			if (!IsAdmin(source_p) \|\| !IsOperK(source_p))
112			{
113			sendto_one(source_p, form_str(ERR_NOPRIVS),
114			me.name, source_p->name, "rkline");
115			return;
116			}
117
118			if (parse_aline("RKLINE", source_p, parc, parv, NOUSERLOOKUP, &user,
119			&host, &tkline_time, &target_server, &reason) < 0)
120			return;
121
122			if (target_server != NULL)
123			{
124			if (HasID(source_p))
125			{
126			sendto_server(NULL, source_p, NULL, CAP_KLN\|CAP_TS6, NOCAPS, LL_ICLIENT,
127			":%s RKLINE %s %lu %s %s :%s",
128			source_p->id, target_server, (unsigned long)tkline_time,
129			user, host, reason);
130			sendto_server(NULL, source_p, NULL, CAP_KLN, CAP_TS6, LL_ICLIENT,
131			":%s RKLINE %s %lu %s %s :%s",
132			source_p->name, target_server, (unsigned long)tkline_time,
133			user, host, reason);
134			}
135			else
136			sendto_server(NULL, source_p, NULL, CAP_KLN, NOCAPS, LL_ICLIENT,
137			":%s RKLINE %s %lu %s %s :%s",
138			source_p->name, target_server, (unsigned long)tkline_time,
139			user, host, reason);
140
141			/* Allow ON to apply local kline as well if it matches */
142			if (!match(target_server, me.name))
143			return;
144			}
145			#if 0
146			else
147			cluster_a_line(source_p, "RKLINE", CAP_KLN, SHARED_KLINE,
148			"%d %s %s :%s", tkline_time, user, host, reason);
149			#endif
150
151			if (already_placed_rkline(source_p, user, host))
152			return;
153
154			/* Look for an oper reason */
155			if ((oper_reason = strchr(reason, '\|')) != NULL)
156			*oper_reason++ = '\0';
157
158			if (!(exp_user = ircd_pcre_compile(user, &errptr)) \|\|
159			!(exp_host = ircd_pcre_compile(host, &errptr)))
160			{
161			sendto_realops_flags(UMODE_ALL, L_ALL,
162			"Failed to add regular expression based K-Line: %s", errptr);
163			return;
164			}
165
166			cur_time = CurrentTime;
167			current_date = smalldate(cur_time);
168			conf = make_conf_item(RKLINE_TYPE);
169			aconf = map_to_conf(conf);
170
171			DupString(aconf->host, host);
172			DupString(aconf->user, user);
173
174			aconf->regexuser = exp_user;
175			aconf->regexhost = exp_host;
176
177			if (tkline_time != 0)
178			{
179			ircsprintf(buffer, "Temporary RK-line %d min. - %s (%s)",
180			(int)(tkline_time/60), reason, current_date);
181			DupString(aconf->reason, buffer);
182
183			if (oper_reason != NULL)
184			DupString(aconf->oper_reason, oper_reason);
185			apply_trkline(source_p, conf, tkline_time);
186			}
187			else
188			{
189			ircsprintf(buffer, "%s (%s)", reason, current_date);
190			DupString(aconf->reason, buffer);
191
192			if (oper_reason != NULL)
193			DupString(aconf->oper_reason, oper_reason);
194			apply_rkline(source_p, conf, current_date, cur_time);
195			}
196			}
197
198			/* me_rkline - handle remote rkline. no propagation */
199			static void
200			me_rkline(struct Client client_p, struct Client source_p,
201			int parc, char *parv[])
202			{
203			struct ConfItem *conf = NULL;
204			struct AccessItem *aconf = NULL;
205			int tkline_time;
206			const char *current_date = NULL;
207			time_t cur_time;
208			char kuser, khost, kreason, oper_reason;
209
210			if (parc != 6 \|\| EmptyString(parv[5]))
211			return;
212
213			if (!match(parv[1], me.name))
214			return;
215
216			tkline_time = valid_tkline(parv[2], TK_SECONDS);
217			kuser = parv[3];
218			khost = parv[4];
219			kreason = parv[5];
220
221			if ((oper_reason = strchr(kreason, '\|')) != NULL)
222			*oper_reason++ = '\0';
223
224			cur_time = CurrentTime;
225			current_date = smalldate(cur_time);
226
227			if (find_matching_name_conf(ULINE_TYPE, source_p->servptr->name,
228			source_p->username, source_p->host,
229			SHARED_KLINE))
230			{
231			pcre exp_user = NULL, exp_host = NULL;
232			const char *errptr = NULL;
233
234			if (!IsClient(source_p) \|\|
235			already_placed_rkline(source_p, kuser, khost))
236			return;
237
238			if (!(exp_user = ircd_pcre_compile(kuser, &errptr)) \|\|
239			!(exp_host = ircd_pcre_compile(khost, &errptr)))
240			{
241			sendto_realops_flags(UMODE_ALL, L_ALL,
242			"Failed to add regular expression based K-Line: %s", errptr);
243			return;
244			}
245
246			conf = make_conf_item(RKLINE_TYPE);
247			aconf = map_to_conf(conf);
248			DupString(aconf->host, khost);
249			DupString(aconf->user, kuser);
250
251			aconf->regexuser = exp_user;
252			aconf->regexhost = exp_host;
253
254			if (tkline_time)
255			{
256			ircsprintf(buffer, "Temporary RK-line %d min. - %s (%s)",
257			(int)(tkline_time/60), kreason, current_date);
258			DupString(aconf->reason, buffer);
259
260			if (oper_reason != NULL)
261			DupString(aconf->oper_reason, oper_reason);
262			apply_trkline(source_p, conf, tkline_time);
263			}
264			else
265			{
266			ircsprintf(buffer, "%s (%s)", kreason, current_date);
267			DupString(aconf->reason, buffer);
268
269			if (oper_reason != NULL)
270			DupString(aconf->oper_reason, oper_reason);
271			apply_rkline(source_p, conf, current_date, cur_time);
272			}
273			}
274			}
275
276			static void
277			ms_rkline(struct Client client_p, struct Client source_p,
278			int parc, char *parv[])
279			{
280			if (parc != 6 \|\| EmptyString(parv[5]))
281			return;
282
283			/* parv[0] parv[1] parv[2] parv[3] parv[4] parv[5] */
284			/* oper target_server tkline_time user host reason */
285			sendto_match_servs(source_p, parv[1], CAP_KLN,
286			"RKLINE %s %s %s %s :%s",
287			parv[1], parv[2], parv[3], parv[4], parv[5]);
288
289			me_rkline(client_p, source_p, parc, parv);
290			}
291
292			/* apply_rkline()
293			*
294			* inputs -
295			* output - NONE
296			* side effects - kline as given, is added to the hashtable
297			* and conf file
298			*/
299			static void
300			apply_rkline(struct Client source_p, struct ConfItem conf,
301			const char *current_date, time_t cur_time)
302			{
303			write_conf_line(source_p, conf, current_date, cur_time);
304			/* Now, activate kline against current online clients */
305			rehashed_klines = 1;
306			}
307
308			/* apply_trkline()
309			*
310			* inputs -
311			* output - NONE
312			* side effects - tkline as given is placed
313			*/
314			static void
315			apply_trkline(struct Client source_p, struct ConfItem conf,
316			int tkline_time)
317			{
318			struct AccessItem *aconf = map_to_conf(conf);
319
320			aconf->hold = CurrentTime + tkline_time;
321			add_temp_line(conf);
322			sendto_realops_flags(UMODE_ALL, L_ALL,
323			"%s added temporary %d min. RK-Line for [%s@%s] [%s]",
324			get_oper_name(source_p), tkline_time/60,
325			aconf->user, aconf->host,
326			aconf->reason);
327			sendto_one(source_p, ":%s NOTICE %s :Added temporary %d min. RK-Line [%s@%s]",
328			MyConnect(source_p) ? me.name : ID_or_name(&me, source_p->from),
329			source_p->name, tkline_time/60, aconf->user, aconf->host);
330			ilog(L_TRACE, "%s added temporary %d min. RK-Line for [%s@%s] [%s]",
331			source_p->name, tkline_time/60,
332			aconf->user, aconf->host, aconf->reason);
333			rehashed_klines = 1;
334			}
335
336			/* already_placed_rkline()
337			* inputs - user to complain to, username & host to check for
338			* outputs - returns 1 on existing K-line, 0 if doesn't exist
339			* side effects - notifies source_p if the K-line already exists
340			*/
341			static int
342			already_placed_rkline(struct Client source_p, const char user, const char *host)
343			{
344			const dlink_node *ptr = NULL;
345
346			DLINK_FOREACH(ptr, rkconf_items.head)
347			{
348			struct AccessItem *aptr = map_to_conf(ptr->data);
349
350			if (!strcmp(user, aptr->user) &&
351			!strcmp(aptr->host, host))
352			{
353			sendto_one(source_p,
354			":%s NOTICE %s :[%s@%s] already RK-Lined by [%s@%s] - %s",
355			me.name, source_p->name, user, host, aptr->user,
356			aptr->host, aptr->reason ? aptr->reason : "No reason");
357			return 1;
358			}
359			}
360
361			return 0;
362			}
363
364			/*
365			* mo_unrkline
366			* parv[0] = sender
367			* parv[1] = address to remove
368			*/
369			static void
370			mo_unrkline(struct Client client_p,struct Client source_p,
371			int parc, char *parv[])
372			{
373			char *target_server = NULL;
374			char user, host;
375
376			if (!IsAdmin(source_p) \|\| !IsOperUnkline(source_p))
377			{
378			sendto_one(source_p, form_str(ERR_NOPRIVS),
379			me.name, source_p->name, "unrkline");
380			return;
381			}
382
383			if (parc < 2 \|\| *parv[1] == '\0')
384			{
385			sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
386			me.name, source_p->name, "UNRKLINE");
387			return;
388			}
389
390			if (parse_aline("UNRKLINE", source_p, parc, parv, NOUSERLOOKUP, &user,
391			&host, NULL, &target_server, NULL) < 0)
392			return;
393
394			if (target_server != NULL)
395			{
396			sendto_match_servs(source_p, target_server, CAP_UNKLN,
397			"UNRKLINE %s %s %s",
398			target_server, user, host);
399
400			/* Allow ON to apply local unkline as well if it matches */
401			if (!match(target_server, me.name))
402			return;
403			}
404			#if 0
405			else
406			cluster_a_line(source_p, "UNRKLINE", CAP_UNKLN, SHARED_UNKLINE,
407			"%s %s", user, host);
408			#endif
409
410			if (remove_trkline_match(host, user))
411			{
412			sendto_one(source_p,
413			":%s NOTICE %s :Un-klined [%s@%s] from temporary RK-Lines",
414			me.name, source_p->name, user, host);
415			sendto_realops_flags(UMODE_ALL, L_ALL,
416			"%s has removed the temporary RK-Line for: [%s@%s]",
417			get_oper_name(source_p), user, host);
418			ilog(L_NOTICE, "%s removed temporary RK-Line for [%s@%s]",
419			source_p->name, user, host);
420			return;
421			}
422
423			if (remove_conf_line(RKLINE_TYPE, source_p, user, host) > 0)
424			{
425			sendto_one(source_p, ":%s NOTICE %s :RK-Line for [%s@%s] is removed",
426			me.name, source_p->name, user,host);
427			sendto_realops_flags(UMODE_ALL, L_ALL,
428			"%s has removed the RK-Line for: [%s@%s]",
429			get_oper_name(source_p), user, host);
430			ilog(L_NOTICE, "%s removed RK-Line for [%s@%s]",
431			source_p->name, user, host);
432			}
433			else
434			sendto_one(source_p, ":%s NOTICE %s :No RK-Line for [%s@%s] found",
435			me.name, source_p->name, user, host);
436			}
437
438			/* me_unrkline()
439			*
440			* inputs - server
441			* - client
442			* - parc
443			* - parv
444			* outputs - none
445			* side effects - if server is authorized, rkline is removed
446			* does not propagate message
447			*/
448			static void
449			me_unrkline(struct Client client_p, struct Client source_p,
450			int parc, char *parv[])
451			{
452			const char user = NULL, host = NULL;
453
454			if (parc != 4 \|\| EmptyString(parv[3]))
455			return;
456
457			user = parv[2];
458			host = parv[3];
459
460			if (!IsClient(source_p) \|\| !match(parv[1], me.name))
461			return;
462
463			if (find_matching_name_conf(ULINE_TYPE, source_p->servptr->name,
464			source_p->username, source_p->host,
465			SHARED_UNKLINE))
466			{
467			if (remove_trkline_match(host, user))
468			{
469			sendto_one(source_p,
470			":%s NOTICE %s :Un-klined [%s@%s] from temporary RK-Lines",
471			me.name, source_p->name, user, host);
472			sendto_realops_flags(UMODE_ALL, L_ALL,
473			"%s has removed the temporary RK-Line for: [%s@%s]",
474			get_oper_name(source_p), user, host);
475			ilog(L_NOTICE, "%s removed temporary RK-Line for [%s@%s]",
476			source_p->name, user, host);
477			return;
478			}
479
480			if (remove_conf_line(RKLINE_TYPE, source_p, user, host) > 0)
481			{
482			sendto_one(source_p, ":%s NOTICE %s :RK-Line for [%s@%s] is removed",
483			me.name, source_p->name, user, host);
484			sendto_realops_flags(UMODE_ALL, L_ALL,
485			"%s has removed the RK-Line for: [%s@%s]",
486			get_oper_name(source_p), user, host);
487
488			ilog(L_NOTICE, "%s removed RK-Line for [%s@%s]",
489			source_p->name, user, host);
490			}
491			else
492			sendto_one(source_p, ":%s NOTICE %s :No RK-Line for [%s@%s] found",
493			me.name, source_p->name, user, host);
494			}
495			}
496
497			/* ms_unrkline - propagates and handles a remote unrkline message */
498			static void
499			ms_unrkline(struct Client client_p, struct Client source_p,
500			int parc, char *parv[])
501			{
502			if (parc != 4 \|\| EmptyString(parv[3]))
503			return;
504
505			sendto_match_servs(source_p, parv[1], CAP_UNKLN,
506			"UNRKLINE %s %s %s",
507			parv[1], parv[2], parv[3]);
508
509			me_unrkline(client_p, source_p, parc, parv);
510			}
511
512			/* static int remove_rtkline_match(const char host, const char user)
513			* Input: A hostname, a username to unrkline.
514			* Output: returns YES on success, NO if no trkline removed.
515			* Side effects: Any matching trklines are removed.
516			*/
517			static int
518			remove_trkline_match(const char *const host,
519			const char *const user)
520			{
521			dlink_node *ptr = NULL;
522
523			DLINK_FOREACH(ptr, temporary_rklines.head)
524			{
525			struct ConfItem *conf = ptr->data;
526			struct AccessItem *aptr = map_to_conf(ptr->data);
527
528			if (!strcmp(user, aptr->user) &&
529			!strcmp(aptr->host, host))
530			{
531			dlinkDelete(ptr, &temporary_rklines);
532			free_dlink_node(ptr);
533			delete_conf_item(conf);
534			return 1;
535			}
536			}
537
538			return 0;
539			}