ircd-hybrid-7.2/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 "tools.h"
#include "channel.h"
#include "client.h"
#include "common.h"
#include "pcre.h"
#include "irc_string.h"
#include "sprintf_irc.h"
#include "ircd.h"
#include "hostmask.h"
#include "numeric.h"
#include "list.h"
#include "fdlist.h"
#include "s_bsd.h"
#include "s_conf.h"
#include "s_log.h"
#include "s_misc.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"
#include "tools.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, NULL, CAP_KLN|CAP_TS6, NOCAPS,
                    ":%s RKLINE %s %lu %s %s :%s",
                    source_p->id, target_server, (unsigned long)tkline_time,
                    user, host, reason);
      sendto_server(NULL, NULL, CAP_KLN, CAP_TS6,
                    ":%s RKLINE %s %lu %s %s :%s",
                    source_p->name, target_server, (unsigned long)tkline_time,
                    user, host, reason);
    }
    else
      sendto_server(NULL, NULL, CAP_KLN, NOCAPS,
                    ":%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:	885
Committed:	Wed Oct 31 18:09:24 2007 UTC (18 years, 9 months ago) by michael
Content type:	text/x-csrc
File size:	16099 byte(s)
Log Message:	- Removed LazyLinks in 7.2 to stop people from asking why we keep broken code for half a decade. LL will be implemented in a smarter fashion in due time
#	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 "tools.h"
27			#include "channel.h"
28			#include "client.h"
29			#include "common.h"
30			#include "pcre.h"
31			#include "irc_string.h"
32			#include "sprintf_irc.h"
33			#include "ircd.h"
34			#include "hostmask.h"
35			#include "numeric.h"
36			#include "list.h"
37			#include "fdlist.h"
38			#include "s_bsd.h"
39			#include "s_conf.h"
40			#include "s_log.h"
41			#include "s_misc.h"
42			#include "send.h"
43			#include "hash.h"
44			#include "handlers.h"
45			#include "s_serv.h"
46			#include "msg.h"
47			#include "s_gline.h"
48			#include "parse.h"
49			#include "modules.h"
50			#include "tools.h"
51
52			static void me_rkline(struct Client , struct Client , int, char *[]);
53			static void mo_rkline(struct Client , struct Client , int, char *[]);
54			static void ms_rkline(struct Client , struct Client , int, char *[]);
55
56			static void me_unrkline(struct Client , struct Client , int, char *[]);
57			static void mo_unrkline(struct Client , struct Client , int, char *[]);
58			static void ms_unrkline(struct Client , struct Client , int, char *[]);
59			/* Local function prototypes */
60			static int already_placed_rkline(struct Client , const char , const char *);
61			static void apply_rkline(struct Client , struct ConfItem , const char *, time_t);
62			static void apply_trkline(struct Client , struct ConfItem , int);
63
64			static char buffer[IRCD_BUFSIZE];
65			static int remove_trkline_match(const char , const char );
66
67			struct Message rkline_msgtab = {
68			"RKLINE", 0, 0, 2, 0, MFLG_SLOW, 0,
69			{m_unregistered, m_not_oper, ms_rkline, me_rkline, mo_rkline, m_ignore}
70			};
71
72			struct Message unrkline_msgtab = {
73			"UNRKLINE", 0, 0, 2, 0, MFLG_SLOW, 0,
74			{m_unregistered, m_not_oper, ms_unrkline, me_unrkline, mo_unrkline, m_ignore}
75			};
76
77			#ifndef STATIC_MODULES
78			void
79			_modinit(void)
80			{
81			mod_add_cmd(&rkline_msgtab);
82			mod_add_cmd(&unrkline_msgtab);
83			}
84
85			void
86			_moddeinit(void)
87			{
88			mod_del_cmd(&rkline_msgtab);
89			mod_del_cmd(&unrkline_msgtab);
90			}
91
92	knight	31	const char *_version = "$Revision$";
93	adx	30	#endif
94
95			/* mo_rkline()
96			*
97			* inputs - pointer to server
98			* - pointer to client
99			* - parameter count
100			* - parameter list
101			* output -
102			* side effects - rk line is added
103			*/
104			static void
105			mo_rkline(struct Client client_p, struct Client source_p,
106			int parc, char *parv[])
107			{
108			pcre exp_user = NULL, exp_host = NULL;
109			const char *errptr = NULL;
110			char *reason = NULL;
111			char *oper_reason = NULL;
112			char *user = NULL;
113			char *host = NULL;
114			const char *current_date = NULL;
115			char *target_server = NULL;
116			struct ConfItem *conf = NULL;
117			struct AccessItem *aconf = NULL;
118			time_t tkline_time = 0;
119			time_t cur_time = 0;
120
121			if (!IsAdmin(source_p) \|\| !IsOperK(source_p))
122			{
123			sendto_one(source_p, form_str(ERR_NOPRIVS),
124			me.name, source_p->name, "rkline");
125			return;
126			}
127
128			if (parse_aline("RKLINE", source_p, parc, parv, NOUSERLOOKUP, &user,
129			&host, &tkline_time, &target_server, &reason) < 0)
130			return;
131
132			if (target_server != NULL)
133			{
134			if (HasID(source_p))
135			{
136	michael	885	sendto_server(NULL, NULL, CAP_KLN\|CAP_TS6, NOCAPS,
137	adx	30	":%s RKLINE %s %lu %s %s :%s",
138			source_p->id, target_server, (unsigned long)tkline_time,
139			user, host, reason);
140	michael	885	sendto_server(NULL, NULL, CAP_KLN, CAP_TS6,
141	adx	30	":%s RKLINE %s %lu %s %s :%s",
142			source_p->name, target_server, (unsigned long)tkline_time,
143			user, host, reason);
144			}
145			else
146	michael	885	sendto_server(NULL, NULL, CAP_KLN, NOCAPS,
147	adx	30	":%s RKLINE %s %lu %s %s :%s",
148			source_p->name, target_server, (unsigned long)tkline_time,
149			user, host, reason);
150
151			/* Allow ON to apply local kline as well if it matches */
152			if (!match(target_server, me.name))
153			return;
154			}
155			#if 0
156			else
157			cluster_a_line(source_p, "RKLINE", CAP_KLN, SHARED_KLINE,
158			"%d %s %s :%s", tkline_time, user, host, reason);
159			#endif
160
161			if (already_placed_rkline(source_p, user, host))
162			return;
163
164			/* Look for an oper reason */
165			if ((oper_reason = strchr(reason, '\|')) != NULL)
166			*oper_reason++ = '\0';
167
168			if (!(exp_user = ircd_pcre_compile(user, &errptr)) \|\|
169			!(exp_host = ircd_pcre_compile(host, &errptr)))
170			{
171			sendto_realops_flags(UMODE_ALL, L_ALL,
172			"Failed to add regular expression based K-Line: %s", errptr);
173			return;
174			}
175
176			cur_time = CurrentTime;
177			current_date = smalldate(cur_time);
178			conf = make_conf_item(RKLINE_TYPE);
179			aconf = map_to_conf(conf);
180
181			DupString(aconf->host, host);
182			DupString(aconf->user, user);
183
184			aconf->regexuser = exp_user;
185			aconf->regexhost = exp_host;
186
187			if (tkline_time != 0)
188			{
189			ircsprintf(buffer, "Temporary RK-line %d min. - %s (%s)",
190			(int)(tkline_time/60), reason, current_date);
191			DupString(aconf->reason, buffer);
192
193			if (oper_reason != NULL)
194			DupString(aconf->oper_reason, oper_reason);
195			apply_trkline(source_p, conf, tkline_time);
196			}
197			else
198			{
199			ircsprintf(buffer, "%s (%s)", reason, current_date);
200			DupString(aconf->reason, buffer);
201
202			if (oper_reason != NULL)
203			DupString(aconf->oper_reason, oper_reason);
204			apply_rkline(source_p, conf, current_date, cur_time);
205			}
206			}
207
208			/* me_rkline - handle remote rkline. no propagation */
209			static void
210			me_rkline(struct Client client_p, struct Client source_p,
211			int parc, char *parv[])
212			{
213			struct ConfItem *conf = NULL;
214			struct AccessItem *aconf = NULL;
215			int tkline_time;
216			const char *current_date = NULL;
217			time_t cur_time;
218			char kuser, khost, kreason, oper_reason;
219
220			if (parc != 6 \|\| EmptyString(parv[5]))
221			return;
222
223			if (!match(parv[1], me.name))
224			return;
225
226			tkline_time = valid_tkline(parv[2], TK_SECONDS);
227			kuser = parv[3];
228			khost = parv[4];
229			kreason = parv[5];
230
231			if ((oper_reason = strchr(kreason, '\|')) != NULL)
232			*oper_reason++ = '\0';
233
234			cur_time = CurrentTime;
235			current_date = smalldate(cur_time);
236
237			if (find_matching_name_conf(ULINE_TYPE, source_p->servptr->name,
238			source_p->username, source_p->host,
239			SHARED_KLINE))
240			{
241			pcre exp_user = NULL, exp_host = NULL;
242			const char *errptr = NULL;
243
244			if (!IsClient(source_p) \|\|
245			already_placed_rkline(source_p, kuser, khost))
246			return;
247
248			if (!(exp_user = ircd_pcre_compile(kuser, &errptr)) \|\|
249			!(exp_host = ircd_pcre_compile(khost, &errptr)))
250			{
251			sendto_realops_flags(UMODE_ALL, L_ALL,
252			"Failed to add regular expression based K-Line: %s", errptr);
253			return;
254			}
255
256			conf = make_conf_item(RKLINE_TYPE);
257			aconf = map_to_conf(conf);
258			DupString(aconf->host, khost);
259			DupString(aconf->user, kuser);
260
261			aconf->regexuser = exp_user;
262			aconf->regexhost = exp_host;
263
264			if (tkline_time)
265			{
266			ircsprintf(buffer, "Temporary RK-line %d min. - %s (%s)",
267			(int)(tkline_time/60), kreason, current_date);
268			DupString(aconf->reason, buffer);
269
270			if (oper_reason != NULL)
271			DupString(aconf->oper_reason, oper_reason);
272			apply_trkline(source_p, conf, tkline_time);
273			}
274			else
275			{
276			ircsprintf(buffer, "%s (%s)", kreason, current_date);
277			DupString(aconf->reason, buffer);
278
279			if (oper_reason != NULL)
280			DupString(aconf->oper_reason, oper_reason);
281			apply_rkline(source_p, conf, current_date, cur_time);
282			}
283			}
284			}
285
286			static void
287			ms_rkline(struct Client client_p, struct Client source_p,
288			int parc, char *parv[])
289			{
290			if (parc != 6 \|\| EmptyString(parv[5]))
291			return;
292
293			/* parv[0] parv[1] parv[2] parv[3] parv[4] parv[5] */
294			/* oper target_server tkline_time user host reason */
295			sendto_match_servs(source_p, parv[1], CAP_KLN,
296			"RKLINE %s %s %s %s :%s",
297			parv[1], parv[2], parv[3], parv[4], parv[5]);
298
299			me_rkline(client_p, source_p, parc, parv);
300			}
301
302			/* apply_rkline()
303			*
304			* inputs -
305			* output - NONE
306			* side effects - kline as given, is added to the hashtable
307			* and conf file
308			*/
309			static void
310			apply_rkline(struct Client source_p, struct ConfItem conf,
311			const char *current_date, time_t cur_time)
312			{
313			write_conf_line(source_p, conf, current_date, cur_time);
314			/* Now, activate kline against current online clients */
315			rehashed_klines = 1;
316			}
317
318			/* apply_trkline()
319			*
320			* inputs -
321			* output - NONE
322			* side effects - tkline as given is placed
323			*/
324			static void
325			apply_trkline(struct Client source_p, struct ConfItem conf,
326			int tkline_time)
327			{
328			struct AccessItem *aconf = map_to_conf(conf);
329
330			aconf->hold = CurrentTime + tkline_time;
331			add_temp_line(conf);
332			sendto_realops_flags(UMODE_ALL, L_ALL,
333			"%s added temporary %d min. RK-Line for [%s@%s] [%s]",
334			get_oper_name(source_p), tkline_time/60,
335			aconf->user, aconf->host,
336			aconf->reason);
337			sendto_one(source_p, ":%s NOTICE %s :Added temporary %d min. RK-Line [%s@%s]",
338			MyConnect(source_p) ? me.name : ID_or_name(&me, source_p->from),
339			source_p->name, tkline_time/60, aconf->user, aconf->host);
340			ilog(L_TRACE, "%s added temporary %d min. RK-Line for [%s@%s] [%s]",
341			source_p->name, tkline_time/60,
342			aconf->user, aconf->host, aconf->reason);
343			rehashed_klines = 1;
344			}
345
346			/* already_placed_rkline()
347			* inputs - user to complain to, username & host to check for
348			* outputs - returns 1 on existing K-line, 0 if doesn't exist
349			* side effects - notifies source_p if the K-line already exists
350			*/
351			static int
352			already_placed_rkline(struct Client source_p, const char user, const char *host)
353			{
354			const dlink_node *ptr = NULL;
355
356			DLINK_FOREACH(ptr, rkconf_items.head)
357			{
358			struct AccessItem *aptr = map_to_conf(ptr->data);
359
360			if (!strcmp(user, aptr->user) &&
361			!strcmp(aptr->host, host))
362			{
363			sendto_one(source_p,
364			":%s NOTICE %s :[%s@%s] already RK-Lined by [%s@%s] - %s",
365			me.name, source_p->name, user, host, aptr->user,
366			aptr->host, aptr->reason ? aptr->reason : "No reason");
367			return 1;
368			}
369			}
370
371			return 0;
372			}
373
374			/*
375			* mo_unrkline
376			* parv[0] = sender
377			* parv[1] = address to remove
378			*/
379			static void
380			mo_unrkline(struct Client client_p,struct Client source_p,
381			int parc, char *parv[])
382			{
383			char *target_server = NULL;
384			char user, host;
385
386			if (!IsAdmin(source_p) \|\| !IsOperUnkline(source_p))
387			{
388			sendto_one(source_p, form_str(ERR_NOPRIVS),
389			me.name, source_p->name, "unrkline");
390			return;
391			}
392
393			if (parc < 2 \|\| *parv[1] == '\0')
394			{
395			sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
396			me.name, source_p->name, "UNRKLINE");
397			return;
398			}
399
400			if (parse_aline("UNRKLINE", source_p, parc, parv, NOUSERLOOKUP, &user,
401			&host, NULL, &target_server, NULL) < 0)
402			return;
403
404			if (target_server != NULL)
405			{
406			sendto_match_servs(source_p, target_server, CAP_UNKLN,
407			"UNRKLINE %s %s %s",
408			target_server, user, host);
409
410			/* Allow ON to apply local unkline as well if it matches */
411			if (!match(target_server, me.name))
412			return;
413			}
414			#if 0
415			else
416			cluster_a_line(source_p, "UNRKLINE", CAP_UNKLN, SHARED_UNKLINE,
417			"%s %s", user, host);
418			#endif
419
420			if (remove_trkline_match(host, user))
421			{
422			sendto_one(source_p,
423			":%s NOTICE %s :Un-klined [%s@%s] from temporary RK-Lines",
424			me.name, source_p->name, user, host);
425			sendto_realops_flags(UMODE_ALL, L_ALL,
426			"%s has removed the temporary RK-Line for: [%s@%s]",
427			get_oper_name(source_p), user, host);
428			ilog(L_NOTICE, "%s removed temporary RK-Line for [%s@%s]",
429			source_p->name, user, host);
430			return;
431			}
432
433			if (remove_conf_line(RKLINE_TYPE, source_p, user, host) > 0)
434			{
435			sendto_one(source_p, ":%s NOTICE %s :RK-Line for [%s@%s] is removed",
436			me.name, source_p->name, user,host);
437			sendto_realops_flags(UMODE_ALL, L_ALL,
438			"%s has removed the RK-Line for: [%s@%s]",
439			get_oper_name(source_p), user, host);
440			ilog(L_NOTICE, "%s removed RK-Line for [%s@%s]",
441			source_p->name, user, host);
442			}
443			else
444			sendto_one(source_p, ":%s NOTICE %s :No RK-Line for [%s@%s] found",
445			me.name, source_p->name, user, host);
446			}
447
448			/* me_unrkline()
449			*
450			* inputs - server
451			* - client
452			* - parc
453			* - parv
454			* outputs - none
455			* side effects - if server is authorized, rkline is removed
456			* does not propagate message
457			*/
458			static void
459			me_unrkline(struct Client client_p, struct Client source_p,
460			int parc, char *parv[])
461			{
462			const char user = NULL, host = NULL;
463
464			if (parc != 4 \|\| EmptyString(parv[3]))
465			return;
466
467			user = parv[2];
468			host = parv[3];
469
470			if (!IsClient(source_p) \|\| !match(parv[1], me.name))
471			return;
472
473			if (find_matching_name_conf(ULINE_TYPE, source_p->servptr->name,
474			source_p->username, source_p->host,
475			SHARED_UNKLINE))
476			{
477			if (remove_trkline_match(host, user))
478			{
479			sendto_one(source_p,
480			":%s NOTICE %s :Un-klined [%s@%s] from temporary RK-Lines",
481			me.name, source_p->name, user, host);
482			sendto_realops_flags(UMODE_ALL, L_ALL,
483			"%s has removed the temporary RK-Line for: [%s@%s]",
484			get_oper_name(source_p), user, host);
485			ilog(L_NOTICE, "%s removed temporary RK-Line for [%s@%s]",
486			source_p->name, user, host);
487			return;
488			}
489
490			if (remove_conf_line(RKLINE_TYPE, source_p, user, host) > 0)
491			{
492			sendto_one(source_p, ":%s NOTICE %s :RK-Line for [%s@%s] is removed",
493			me.name, source_p->name, user, host);
494			sendto_realops_flags(UMODE_ALL, L_ALL,
495			"%s has removed the RK-Line for: [%s@%s]",
496			get_oper_name(source_p), user, host);
497
498			ilog(L_NOTICE, "%s removed RK-Line for [%s@%s]",
499			source_p->name, user, host);
500			}
501			else
502			sendto_one(source_p, ":%s NOTICE %s :No RK-Line for [%s@%s] found",
503			me.name, source_p->name, user, host);
504			}
505			}
506
507			/* ms_unrkline - propagates and handles a remote unrkline message */
508			static void
509			ms_unrkline(struct Client client_p, struct Client source_p,
510			int parc, char *parv[])
511			{
512			if (parc != 4 \|\| EmptyString(parv[3]))
513			return;
514
515			sendto_match_servs(source_p, parv[1], CAP_UNKLN,
516			"UNRKLINE %s %s %s",
517			parv[1], parv[2], parv[3]);
518
519			me_unrkline(client_p, source_p, parc, parv);
520			}
521
522			/* static int remove_rtkline_match(const char host, const char user)
523			* Input: A hostname, a username to unrkline.
524			* Output: returns YES on success, NO if no trkline removed.
525			* Side effects: Any matching trklines are removed.
526			*/
527			static int
528			remove_trkline_match(const char *const host,
529			const char *const user)
530			{
531			dlink_node *ptr = NULL;
532
533			DLINK_FOREACH(ptr, temporary_rklines.head)
534			{
535			struct ConfItem *conf = ptr->data;
536			struct AccessItem *aptr = map_to_conf(ptr->data);
537
538			if (!strcmp(user, aptr->user) &&
539			!strcmp(aptr->host, host))
540			{
541			dlinkDelete(ptr, &temporary_rklines);
542			free_dlink_node(ptr);
543			delete_conf_item(conf);
544			return 1;
545			}
546			}
547
548			return 0;
549			}