| 1 |
/* |
| 2 |
* ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd) |
| 3 |
* |
| 4 |
* Copyright (c) 1997-2014 ircd-hybrid development team |
| 5 |
* |
| 6 |
* This program is free software; you can redistribute it and/or modify |
| 7 |
* it under the terms of the GNU General Public License as published by |
| 8 |
* the Free Software Foundation; either version 2 of the License, or |
| 9 |
* (at your option) any later version. |
| 10 |
* |
| 11 |
* This program is distributed in the hope that it will be useful, |
| 12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 |
* GNU General Public License for more details. |
| 15 |
* |
| 16 |
* You should have received a copy of the GNU General Public License |
| 17 |
* along with this program; if not, write to the Free Software |
| 18 |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
| 19 |
* USA |
| 20 |
*/ |
| 21 |
|
| 22 |
/*! \file m_unkline.c |
| 23 |
* \brief Includes required functions for processing the UNKLINE command. |
| 24 |
* \version $Id$ |
| 25 |
*/ |
| 26 |
|
| 27 |
#include "stdinc.h" |
| 28 |
#include "list.h" |
| 29 |
#include "client.h" |
| 30 |
#include "irc_string.h" |
| 31 |
#include "ircd.h" |
| 32 |
#include "conf.h" |
| 33 |
#include "hostmask.h" |
| 34 |
#include "numeric.h" |
| 35 |
#include "log.h" |
| 36 |
#include "misc.h" |
| 37 |
#include "send.h" |
| 38 |
#include "hash.h" |
| 39 |
#include "server.h" |
| 40 |
#include "parse.h" |
| 41 |
#include "modules.h" |
| 42 |
#include "conf_db.h" |
| 43 |
#include "memory.h" |
| 44 |
|
| 45 |
|
| 46 |
/* static int remove_tkline_match(const char *host, const char *user) |
| 47 |
* Input: A hostname, a username to unkline. |
| 48 |
* Output: returns YES on success, NO if no tkline removed. |
| 49 |
* Side effects: Any matching tklines are removed. |
| 50 |
*/ |
| 51 |
static int |
| 52 |
remove_kline_match(const char *host, const char *user) |
| 53 |
{ |
| 54 |
struct irc_ssaddr iphost, *piphost; |
| 55 |
struct MaskItem *conf; |
| 56 |
int t = 0; |
| 57 |
int aftype = 0; |
| 58 |
|
| 59 |
if ((t = parse_netmask(host, &iphost, NULL)) != HM_HOST) |
| 60 |
{ |
| 61 |
#ifdef IPV6 |
| 62 |
if (t == HM_IPV6) |
| 63 |
aftype = AF_INET6; |
| 64 |
else |
| 65 |
#endif |
| 66 |
aftype = AF_INET; |
| 67 |
piphost = &iphost; |
| 68 |
} |
| 69 |
else |
| 70 |
piphost = NULL; |
| 71 |
|
| 72 |
if ((conf = find_conf_by_address(host, piphost, CONF_KLINE, aftype, user, NULL, 0))) |
| 73 |
{ |
| 74 |
if (IsConfDatabase(conf)) |
| 75 |
{ |
| 76 |
delete_one_address_conf(host, conf); |
| 77 |
return 1; |
| 78 |
} |
| 79 |
} |
| 80 |
|
| 81 |
return 0; |
| 82 |
} |
| 83 |
|
| 84 |
/*! \brief UNKLINE command handler |
| 85 |
* |
| 86 |
* \param source_p Pointer to allocated Client struct from which the message |
| 87 |
* originally comes from. This can be a local or remote client. |
| 88 |
* \param parc Integer holding the number of supplied arguments. |
| 89 |
* \param parv Argument vector where parv[0] .. parv[parc-1] are non-NULL |
| 90 |
* pointers. |
| 91 |
* \note Valid arguments for this command are: |
| 92 |
* - parv[0] = command |
| 93 |
* - parv[1] = user\@host mask to UNKLINE |
| 94 |
* - parv[2] = "ON" |
| 95 |
* - parv[3] = target server |
| 96 |
*/ |
| 97 |
static int |
| 98 |
mo_unkline(struct Client *source_p, int parc, char *parv[]) |
| 99 |
{ |
| 100 |
char *target_server = NULL; |
| 101 |
char *user, *host; |
| 102 |
|
| 103 |
if (!HasOFlag(source_p, OPER_FLAG_UNKLINE)) |
| 104 |
{ |
| 105 |
sendto_one_numeric(source_p, &me, ERR_NOPRIVS, "unkline"); |
| 106 |
return 0; |
| 107 |
} |
| 108 |
|
| 109 |
if (EmptyString(parv[1])) |
| 110 |
{ |
| 111 |
sendto_one_numeric(source_p, &me, ERR_NEEDMOREPARAMS, "UNKLINE"); |
| 112 |
return 0; |
| 113 |
} |
| 114 |
|
| 115 |
if (parse_aline("UNKLINE", source_p, parc, parv, 0, &user, |
| 116 |
&host, NULL, &target_server, NULL) < 0) |
| 117 |
return 0; |
| 118 |
|
| 119 |
if (target_server != NULL) |
| 120 |
{ |
| 121 |
sendto_match_servs(source_p, target_server, CAP_UNKLN, |
| 122 |
"UNKLINE %s %s %s", |
| 123 |
target_server, user, host); |
| 124 |
|
| 125 |
/* Allow ON to apply local unkline as well if it matches */ |
| 126 |
if (match(target_server, me.name)) |
| 127 |
return 0; |
| 128 |
} |
| 129 |
else |
| 130 |
cluster_a_line(source_p, "UNKLINE", CAP_UNKLN, SHARED_UNKLINE, |
| 131 |
"%s %s", user, host); |
| 132 |
|
| 133 |
if (remove_kline_match(host, user)) |
| 134 |
{ |
| 135 |
sendto_one_notice(source_p, &me, ":K-Line for [%s@%s] is removed", |
| 136 |
user, host); |
| 137 |
sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE, |
| 138 |
"%s has removed the K-Line for: [%s@%s]", |
| 139 |
get_oper_name(source_p), user, host); |
| 140 |
ilog(LOG_TYPE_KLINE, "%s removed K-Line for [%s@%s]", |
| 141 |
get_oper_name(source_p), user, host); |
| 142 |
} |
| 143 |
else |
| 144 |
sendto_one_notice(source_p, &me, ":No K-Line for [%s@%s] found", |
| 145 |
user, host); |
| 146 |
return 0; |
| 147 |
} |
| 148 |
|
| 149 |
/*! \brief UNKLINE command handler |
| 150 |
* |
| 151 |
* \param source_p Pointer to allocated Client struct from which the message |
| 152 |
* originally comes from. This can be a local or remote client. |
| 153 |
* \param parc Integer holding the number of supplied arguments. |
| 154 |
* \param parv Argument vector where parv[0] .. parv[parc-1] are non-NULL |
| 155 |
* pointers. |
| 156 |
* \note Valid arguments for this command are: |
| 157 |
* - parv[0] = command |
| 158 |
* - parv[1] = target server |
| 159 |
* - parv[2] = user mask to UNKLINE |
| 160 |
* - parv[3] = host mask to UNKLINE |
| 161 |
*/ |
| 162 |
static int |
| 163 |
me_unkline(struct Client *source_p, int parc, char *parv[]) |
| 164 |
{ |
| 165 |
const char *kuser, *khost; |
| 166 |
|
| 167 |
if (parc != 4) |
| 168 |
return 0; |
| 169 |
|
| 170 |
kuser = parv[2]; |
| 171 |
khost = parv[3]; |
| 172 |
|
| 173 |
if (!IsClient(source_p) || match(parv[1], me.name)) |
| 174 |
return 0; |
| 175 |
|
| 176 |
if (HasFlag(source_p, FLAGS_SERVICE) || |
| 177 |
find_matching_name_conf(CONF_ULINE, source_p->servptr->name, |
| 178 |
source_p->username, source_p->host, |
| 179 |
SHARED_UNKLINE)) |
| 180 |
{ |
| 181 |
if (remove_kline_match(khost, kuser)) |
| 182 |
{ |
| 183 |
sendto_one_notice(source_p, &me, ":K-Line for [%s@%s] is removed", |
| 184 |
kuser, khost); |
| 185 |
sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE, |
| 186 |
"%s has removed the K-Line for: [%s@%s]", |
| 187 |
get_oper_name(source_p), kuser, khost); |
| 188 |
ilog(LOG_TYPE_KLINE, "%s removed K-Line for [%s@%s]", |
| 189 |
get_oper_name(source_p), kuser, khost); |
| 190 |
} |
| 191 |
else |
| 192 |
sendto_one_notice(source_p, &me, ":No K-Line for [%s@%s] found", |
| 193 |
kuser, khost); |
| 194 |
} |
| 195 |
|
| 196 |
return 0; |
| 197 |
} |
| 198 |
|
| 199 |
/*! \brief UNKLINE command handler |
| 200 |
* |
| 201 |
* \param source_p Pointer to allocated Client struct from which the message |
| 202 |
* originally comes from. This can be a local or remote client. |
| 203 |
* \param parc Integer holding the number of supplied arguments. |
| 204 |
* \param parv Argument vector where parv[0] .. parv[parc-1] are non-NULL |
| 205 |
* pointers. |
| 206 |
* \note Valid arguments for this command are: |
| 207 |
* - parv[0] = command |
| 208 |
* - parv[1] = target server |
| 209 |
* - parv[2] = user mask to UNKLINE |
| 210 |
* - parv[3] = host mask to UNKLINE |
| 211 |
*/ |
| 212 |
static int |
| 213 |
ms_unkline(struct Client *source_p, int parc, char *parv[]) |
| 214 |
{ |
| 215 |
if (parc != 4) |
| 216 |
return 0; |
| 217 |
|
| 218 |
sendto_match_servs(source_p, parv[1], CAP_UNKLN, |
| 219 |
"UNKLINE %s %s %s", |
| 220 |
parv[1], parv[2], parv[3]); |
| 221 |
|
| 222 |
return me_unkline(source_p, parc, parv); |
| 223 |
} |
| 224 |
|
| 225 |
static struct Message unkline_msgtab = |
| 226 |
{ |
| 227 |
"UNKLINE", 0, 0, 2, MAXPARA, MFLG_SLOW, 0, |
| 228 |
{ m_unregistered, m_not_oper, ms_unkline, me_unkline, mo_unkline, m_ignore } |
| 229 |
}; |
| 230 |
|
| 231 |
static void |
| 232 |
module_init(void) |
| 233 |
{ |
| 234 |
mod_add_cmd(&unkline_msgtab); |
| 235 |
add_capability("UNKLN", CAP_UNKLN, 1); |
| 236 |
} |
| 237 |
|
| 238 |
static void |
| 239 |
module_exit(void) |
| 240 |
{ |
| 241 |
mod_del_cmd(&unkline_msgtab); |
| 242 |
delete_capability("UNKLN"); |
| 243 |
} |
| 244 |
|
| 245 |
struct module module_entry = |
| 246 |
{ |
| 247 |
.node = { NULL, NULL, NULL }, |
| 248 |
.name = NULL, |
| 249 |
.version = "$Revision$", |
| 250 |
.handle = NULL, |
| 251 |
.modinit = module_init, |
| 252 |
.modexit = module_exit, |
| 253 |
.flags = 0 |
| 254 |
}; |
