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 "parse_aline.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:	91
Committed:	Sat Oct 8 03:46:09 2005 UTC (20 years, 10 months ago) by db
Content type:	text/x-csrc
File size:	15989 byte(s)
Log Message:	- Split out most of the line resv stuff into separate file parse_aline.c should go eventually into the subdir conf - removed double -o in Makefile.in in src, this caused compile to fail for me
#	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	db	91	#include "parse_aline.h"
34	adx	30	#include "send.h"
35			#include "hash.h"
36			#include "handlers.h"
37			#include "s_serv.h"
38			#include "msg.h"
39			#include "s_gline.h"
40			#include "parse.h"
41			#include "modules.h"
42
43			static void me_rkline(struct Client , struct Client , int, char *[]);
44			static void mo_rkline(struct Client , struct Client , int, char *[]);
45			static void ms_rkline(struct Client , struct Client , int, char *[]);
46
47			static void me_unrkline(struct Client , struct Client , int, char *[]);
48			static void mo_unrkline(struct Client , struct Client , int, char *[]);
49			static void ms_unrkline(struct Client , struct Client , int, char *[]);
50			/* Local function prototypes */
51			static int already_placed_rkline(struct Client , const char , const char *);
52			static void apply_rkline(struct Client , struct ConfItem , const char *, time_t);
53			static void apply_trkline(struct Client , struct ConfItem , int);
54
55			static char buffer[IRCD_BUFSIZE];
56			static int remove_trkline_match(const char , const char );
57
58			struct Message rkline_msgtab = {
59			"RKLINE", 0, 0, 2, 0, MFLG_SLOW, 0,
60			{m_unregistered, m_not_oper, ms_rkline, me_rkline, mo_rkline, m_ignore}
61			};
62
63			struct Message unrkline_msgtab = {
64			"UNRKLINE", 0, 0, 2, 0, MFLG_SLOW, 0,
65			{m_unregistered, m_not_oper, ms_unrkline, me_unrkline, mo_unrkline, m_ignore}
66			};
67
68			#ifndef STATIC_MODULES
69			void
70			_modinit(void)
71			{
72			mod_add_cmd(&rkline_msgtab);
73			mod_add_cmd(&unrkline_msgtab);
74			}
75
76			void
77			_moddeinit(void)
78			{
79			mod_del_cmd(&rkline_msgtab);
80			mod_del_cmd(&unrkline_msgtab);
81			}
82
83	knight	31	const char *_version = "$Revision$";
84	adx	30	#endif
85
86			/* mo_rkline()
87			*
88			* inputs - pointer to server
89			* - pointer to client
90			* - parameter count
91			* - parameter list
92			* output -
93			* side effects - rk line is added
94			*/
95			static void
96			mo_rkline(struct Client client_p, struct Client source_p,
97			int parc, char *parv[])
98			{
99			pcre exp_user = NULL, exp_host = NULL;
100			const char *errptr = NULL;
101			char *reason = NULL;
102			char *oper_reason = NULL;
103			char *user = NULL;
104			char *host = NULL;
105			const char *current_date = NULL;
106			char *target_server = NULL;
107			struct ConfItem *conf = NULL;
108			struct AccessItem *aconf = NULL;
109			time_t tkline_time = 0;
110			time_t cur_time = 0;
111
112			if (!IsAdmin(source_p) \|\| !IsOperK(source_p))
113			{
114			sendto_one(source_p, form_str(ERR_NOPRIVS),
115			me.name, source_p->name, "rkline");
116			return;
117			}
118
119			if (parse_aline("RKLINE", source_p, parc, parv, NOUSERLOOKUP, &user,
120			&host, &tkline_time, &target_server, &reason) < 0)
121			return;
122
123			if (target_server != NULL)
124			{
125			if (HasID(source_p))
126			{
127			sendto_server(NULL, source_p, NULL, CAP_KLN\|CAP_TS6, NOCAPS, LL_ICLIENT,
128			":%s RKLINE %s %lu %s %s :%s",
129			source_p->id, target_server, (unsigned long)tkline_time,
130			user, host, reason);
131			sendto_server(NULL, source_p, NULL, CAP_KLN, CAP_TS6, LL_ICLIENT,
132			":%s RKLINE %s %lu %s %s :%s",
133			source_p->name, target_server, (unsigned long)tkline_time,
134			user, host, reason);
135			}
136			else
137			sendto_server(NULL, source_p, NULL, CAP_KLN, NOCAPS, LL_ICLIENT,
138			":%s RKLINE %s %lu %s %s :%s",
139			source_p->name, target_server, (unsigned long)tkline_time,
140			user, host, reason);
141
142			/* Allow ON to apply local kline as well if it matches */
143			if (!match(target_server, me.name))
144			return;
145			}
146			#if 0
147			else
148			cluster_a_line(source_p, "RKLINE", CAP_KLN, SHARED_KLINE,
149			"%d %s %s :%s", tkline_time, user, host, reason);
150			#endif
151
152			if (already_placed_rkline(source_p, user, host))
153			return;
154
155			/* Look for an oper reason */
156			if ((oper_reason = strchr(reason, '\|')) != NULL)
157			*oper_reason++ = '\0';
158
159			if (!(exp_user = ircd_pcre_compile(user, &errptr)) \|\|
160			!(exp_host = ircd_pcre_compile(host, &errptr)))
161			{
162			sendto_realops_flags(UMODE_ALL, L_ALL,
163			"Failed to add regular expression based K-Line: %s", errptr);
164			return;
165			}
166
167			cur_time = CurrentTime;
168			current_date = smalldate(cur_time);
169			conf = make_conf_item(RKLINE_TYPE);
170			aconf = map_to_conf(conf);
171
172			DupString(aconf->host, host);
173			DupString(aconf->user, user);
174
175			aconf->regexuser = exp_user;
176			aconf->regexhost = exp_host;
177
178			if (tkline_time != 0)
179			{
180			ircsprintf(buffer, "Temporary RK-line %d min. - %s (%s)",
181			(int)(tkline_time/60), reason, current_date);
182			DupString(aconf->reason, buffer);
183
184			if (oper_reason != NULL)
185			DupString(aconf->oper_reason, oper_reason);
186			apply_trkline(source_p, conf, tkline_time);
187			}
188			else
189			{
190			ircsprintf(buffer, "%s (%s)", reason, current_date);
191			DupString(aconf->reason, buffer);
192
193			if (oper_reason != NULL)
194			DupString(aconf->oper_reason, oper_reason);
195			apply_rkline(source_p, conf, current_date, cur_time);
196			}
197			}
198
199			/* me_rkline - handle remote rkline. no propagation */
200			static void
201			me_rkline(struct Client client_p, struct Client source_p,
202			int parc, char *parv[])
203			{
204			struct ConfItem *conf = NULL;
205			struct AccessItem *aconf = NULL;
206			int tkline_time;
207			const char *current_date = NULL;
208			time_t cur_time;
209			char kuser, khost, kreason, oper_reason;
210
211			if (parc != 6 \|\| EmptyString(parv[5]))
212			return;
213
214			if (!match(parv[1], me.name))
215			return;
216
217			tkline_time = valid_tkline(parv[2], TK_SECONDS);
218			kuser = parv[3];
219			khost = parv[4];
220			kreason = parv[5];
221
222			if ((oper_reason = strchr(kreason, '\|')) != NULL)
223			*oper_reason++ = '\0';
224
225			cur_time = CurrentTime;
226			current_date = smalldate(cur_time);
227
228			if (find_matching_name_conf(ULINE_TYPE, source_p->servptr->name,
229			source_p->username, source_p->host,
230			SHARED_KLINE))
231			{
232			pcre exp_user = NULL, exp_host = NULL;
233			const char *errptr = NULL;
234
235			if (!IsClient(source_p) \|\|
236			already_placed_rkline(source_p, kuser, khost))
237			return;
238
239			if (!(exp_user = ircd_pcre_compile(kuser, &errptr)) \|\|
240			!(exp_host = ircd_pcre_compile(khost, &errptr)))
241			{
242			sendto_realops_flags(UMODE_ALL, L_ALL,
243			"Failed to add regular expression based K-Line: %s", errptr);
244			return;
245			}
246
247			conf = make_conf_item(RKLINE_TYPE);
248			aconf = map_to_conf(conf);
249			DupString(aconf->host, khost);
250			DupString(aconf->user, kuser);
251
252			aconf->regexuser = exp_user;
253			aconf->regexhost = exp_host;
254
255			if (tkline_time)
256			{
257			ircsprintf(buffer, "Temporary RK-line %d min. - %s (%s)",
258			(int)(tkline_time/60), kreason, current_date);
259			DupString(aconf->reason, buffer);
260
261			if (oper_reason != NULL)
262			DupString(aconf->oper_reason, oper_reason);
263			apply_trkline(source_p, conf, tkline_time);
264			}
265			else
266			{
267			ircsprintf(buffer, "%s (%s)", kreason, current_date);
268			DupString(aconf->reason, buffer);
269
270			if (oper_reason != NULL)
271			DupString(aconf->oper_reason, oper_reason);
272			apply_rkline(source_p, conf, current_date, cur_time);
273			}
274			}
275			}
276
277			static void
278			ms_rkline(struct Client client_p, struct Client source_p,
279			int parc, char *parv[])
280			{
281			if (parc != 6 \|\| EmptyString(parv[5]))
282			return;
283
284			/* parv[0] parv[1] parv[2] parv[3] parv[4] parv[5] */
285			/* oper target_server tkline_time user host reason */
286			sendto_match_servs(source_p, parv[1], CAP_KLN,
287			"RKLINE %s %s %s %s :%s",
288			parv[1], parv[2], parv[3], parv[4], parv[5]);
289
290			me_rkline(client_p, source_p, parc, parv);
291			}
292
293			/* apply_rkline()
294			*
295			* inputs -
296			* output - NONE
297			* side effects - kline as given, is added to the hashtable
298			* and conf file
299			*/
300			static void
301			apply_rkline(struct Client source_p, struct ConfItem conf,
302			const char *current_date, time_t cur_time)
303			{
304			write_conf_line(source_p, conf, current_date, cur_time);
305			/* Now, activate kline against current online clients */
306			rehashed_klines = 1;
307			}
308
309			/* apply_trkline()
310			*
311			* inputs -
312			* output - NONE
313			* side effects - tkline as given is placed
314			*/
315			static void
316			apply_trkline(struct Client source_p, struct ConfItem conf,
317			int tkline_time)
318			{
319			struct AccessItem *aconf = map_to_conf(conf);
320
321			aconf->hold = CurrentTime + tkline_time;
322			add_temp_line(conf);
323			sendto_realops_flags(UMODE_ALL, L_ALL,
324			"%s added temporary %d min. RK-Line for [%s@%s] [%s]",
325			get_oper_name(source_p), tkline_time/60,
326			aconf->user, aconf->host,
327			aconf->reason);
328			sendto_one(source_p, ":%s NOTICE %s :Added temporary %d min. RK-Line [%s@%s]",
329			MyConnect(source_p) ? me.name : ID_or_name(&me, source_p->from),
330			source_p->name, tkline_time/60, aconf->user, aconf->host);
331			ilog(L_TRACE, "%s added temporary %d min. RK-Line for [%s@%s] [%s]",
332			source_p->name, tkline_time/60,
333			aconf->user, aconf->host, aconf->reason);
334			rehashed_klines = 1;
335			}
336
337			/* already_placed_rkline()
338			* inputs - user to complain to, username & host to check for
339			* outputs - returns 1 on existing K-line, 0 if doesn't exist
340			* side effects - notifies source_p if the K-line already exists
341			*/
342			static int
343			already_placed_rkline(struct Client source_p, const char user, const char *host)
344			{
345			const dlink_node *ptr = NULL;
346
347			DLINK_FOREACH(ptr, rkconf_items.head)
348			{
349			struct AccessItem *aptr = map_to_conf(ptr->data);
350
351			if (!strcmp(user, aptr->user) &&
352			!strcmp(aptr->host, host))
353			{
354			sendto_one(source_p,
355			":%s NOTICE %s :[%s@%s] already RK-Lined by [%s@%s] - %s",
356			me.name, source_p->name, user, host, aptr->user,
357			aptr->host, aptr->reason ? aptr->reason : "No reason");
358			return 1;
359			}
360			}
361
362			return 0;
363			}
364
365			/*
366			* mo_unrkline
367			* parv[0] = sender
368			* parv[1] = address to remove
369			*/
370			static void
371			mo_unrkline(struct Client client_p,struct Client source_p,
372			int parc, char *parv[])
373			{
374			char *target_server = NULL;
375			char user, host;
376
377			if (!IsAdmin(source_p) \|\| !IsOperUnkline(source_p))
378			{
379			sendto_one(source_p, form_str(ERR_NOPRIVS),
380			me.name, source_p->name, "unrkline");
381			return;
382			}
383
384			if (parc < 2 \|\| *parv[1] == '\0')
385			{
386			sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
387			me.name, source_p->name, "UNRKLINE");
388			return;
389			}
390
391			if (parse_aline("UNRKLINE", source_p, parc, parv, NOUSERLOOKUP, &user,
392			&host, NULL, &target_server, NULL) < 0)
393			return;
394
395			if (target_server != NULL)
396			{
397			sendto_match_servs(source_p, target_server, CAP_UNKLN,
398			"UNRKLINE %s %s %s",
399			target_server, user, host);
400
401			/* Allow ON to apply local unkline as well if it matches */
402			if (!match(target_server, me.name))
403			return;
404			}
405			#if 0
406			else
407			cluster_a_line(source_p, "UNRKLINE", CAP_UNKLN, SHARED_UNKLINE,
408			"%s %s", user, host);
409			#endif
410
411			if (remove_trkline_match(host, user))
412			{
413			sendto_one(source_p,
414			":%s NOTICE %s :Un-klined [%s@%s] from temporary RK-Lines",
415			me.name, source_p->name, user, host);
416			sendto_realops_flags(UMODE_ALL, L_ALL,
417			"%s has removed the temporary RK-Line for: [%s@%s]",
418			get_oper_name(source_p), user, host);
419			ilog(L_NOTICE, "%s removed temporary RK-Line for [%s@%s]",
420			source_p->name, user, host);
421			return;
422			}
423
424			if (remove_conf_line(RKLINE_TYPE, source_p, user, host) > 0)
425			{
426			sendto_one(source_p, ":%s NOTICE %s :RK-Line for [%s@%s] is removed",
427			me.name, source_p->name, user,host);
428			sendto_realops_flags(UMODE_ALL, L_ALL,
429			"%s has removed the RK-Line for: [%s@%s]",
430			get_oper_name(source_p), user, host);
431			ilog(L_NOTICE, "%s removed RK-Line for [%s@%s]",
432			source_p->name, user, host);
433			}
434			else
435			sendto_one(source_p, ":%s NOTICE %s :No RK-Line for [%s@%s] found",
436			me.name, source_p->name, user, host);
437			}
438
439			/* me_unrkline()
440			*
441			* inputs - server
442			* - client
443			* - parc
444			* - parv
445			* outputs - none
446			* side effects - if server is authorized, rkline is removed
447			* does not propagate message
448			*/
449			static void
450			me_unrkline(struct Client client_p, struct Client source_p,
451			int parc, char *parv[])
452			{
453			const char user = NULL, host = NULL;
454
455			if (parc != 4 \|\| EmptyString(parv[3]))
456			return;
457
458			user = parv[2];
459			host = parv[3];
460
461			if (!IsClient(source_p) \|\| !match(parv[1], me.name))
462			return;
463
464			if (find_matching_name_conf(ULINE_TYPE, source_p->servptr->name,
465			source_p->username, source_p->host,
466			SHARED_UNKLINE))
467			{
468			if (remove_trkline_match(host, user))
469			{
470			sendto_one(source_p,
471			":%s NOTICE %s :Un-klined [%s@%s] from temporary RK-Lines",
472			me.name, source_p->name, user, host);
473			sendto_realops_flags(UMODE_ALL, L_ALL,
474			"%s has removed the temporary RK-Line for: [%s@%s]",
475			get_oper_name(source_p), user, host);
476			ilog(L_NOTICE, "%s removed temporary RK-Line for [%s@%s]",
477			source_p->name, user, host);
478			return;
479			}
480
481			if (remove_conf_line(RKLINE_TYPE, source_p, user, host) > 0)
482			{
483			sendto_one(source_p, ":%s NOTICE %s :RK-Line for [%s@%s] is removed",
484			me.name, source_p->name, user, host);
485			sendto_realops_flags(UMODE_ALL, L_ALL,
486			"%s has removed the RK-Line for: [%s@%s]",
487			get_oper_name(source_p), user, host);
488
489			ilog(L_NOTICE, "%s removed RK-Line for [%s@%s]",
490			source_p->name, user, host);
491			}
492			else
493			sendto_one(source_p, ":%s NOTICE %s :No RK-Line for [%s@%s] found",
494			me.name, source_p->name, user, host);
495			}
496			}
497
498			/* ms_unrkline - propagates and handles a remote unrkline message */
499			static void
500			ms_unrkline(struct Client client_p, struct Client source_p,
501			int parc, char *parv[])
502			{
503			if (parc != 4 \|\| EmptyString(parv[3]))
504			return;
505
506			sendto_match_servs(source_p, parv[1], CAP_UNKLN,
507			"UNRKLINE %s %s %s",
508			parv[1], parv[2], parv[3]);
509
510			me_unrkline(client_p, source_p, parc, parv);
511			}
512
513			/* static int remove_rtkline_match(const char host, const char user)
514			* Input: A hostname, a username to unrkline.
515			* Output: returns YES on success, NO if no trkline removed.
516			* Side effects: Any matching trklines are removed.
517			*/
518			static int
519			remove_trkline_match(const char *const host,
520			const char *const user)
521			{
522			dlink_node *ptr = NULL;
523
524			DLINK_FOREACH(ptr, temporary_rklines.head)
525			{
526			struct ConfItem *conf = ptr->data;
527			struct AccessItem *aptr = map_to_conf(ptr->data);
528
529			if (!strcmp(user, aptr->user) &&
530			!strcmp(aptr->host, host))
531			{
532			dlinkDelete(ptr, &temporary_rklines);
533			free_dlink_node(ptr);
534			delete_conf_item(conf);
535			return 1;
536			}
537			}
538
539			return 0;
540			}