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root/svn/ircd-hybrid/branches/8.2.x/modules/m_unkline.c
Revision: 5795
Committed: Fri Apr 17 16:09:23 2015 UTC (8 years, 11 months ago) by michael
Content type: text/x-csrc
File size: 6450 byte(s)
Log Message:
- Minor cleanups to CAPAB related code

File Contents

# Content
1 /*
2 * ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3 *
4 * Copyright (c) 1997-2015 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
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 "server.h"
39 #include "parse.h"
40 #include "modules.h"
41 #include "conf_db.h"
42 #include "memory.h"
43
44
45 /* static int remove_tkline_match(const char *host, const char *user)
46 * Input: A hostname, a username to unkline.
47 * Output: returns YES on success, NO if no tkline removed.
48 * Side effects: Any matching tklines are removed.
49 */
50 static int
51 remove_kline_match(const char *host, const char *user)
52 {
53 struct irc_ssaddr iphost, *piphost;
54 struct MaskItem *conf;
55 int t = 0;
56 int aftype = 0;
57
58 if ((t = parse_netmask(host, &iphost, NULL)) != HM_HOST)
59 {
60 if (t == HM_IPV6)
61 aftype = AF_INET6;
62 else
63 aftype = AF_INET;
64
65 piphost = &iphost;
66 }
67 else
68 piphost = NULL;
69
70 if ((conf = find_conf_by_address(host, piphost, CONF_KLINE, aftype, user, NULL, 0)))
71 {
72 if (IsConfDatabase(conf))
73 {
74 delete_one_address_conf(host, conf);
75 return 1;
76 }
77 }
78
79 return 0;
80 }
81
82 /*! \brief UNKLINE command handler
83 *
84 * \param source_p Pointer to allocated Client struct from which the message
85 * originally comes from. This can be a local or remote client.
86 * \param parc Integer holding the number of supplied arguments.
87 * \param parv Argument vector where parv[0] .. parv[parc-1] are non-NULL
88 * pointers.
89 * \note Valid arguments for this command are:
90 * - parv[0] = command
91 * - parv[1] = user\@host mask
92 * - parv[2] = "ON"
93 * - parv[3] = target server
94 */
95 static int
96 mo_unkline(struct Client *source_p, int parc, char *parv[])
97 {
98 char *target_server = NULL;
99 char *user, *host;
100
101 if (!HasOFlag(source_p, OPER_FLAG_UNKLINE))
102 {
103 sendto_one_numeric(source_p, &me, ERR_NOPRIVS, "unkline");
104 return 0;
105 }
106
107 if (EmptyString(parv[1]))
108 {
109 sendto_one_numeric(source_p, &me, ERR_NEEDMOREPARAMS, "UNKLINE");
110 return 0;
111 }
112
113 if (!parse_aline("UNKLINE", source_p, parc, parv, 0, &user,
114 &host, NULL, &target_server, NULL))
115 return 0;
116
117 if (target_server)
118 {
119 sendto_match_servs(source_p, target_server, CAP_UNKLN,
120 "UNKLINE %s %s %s",
121 target_server, user, host);
122
123 /* Allow ON to apply local unkline as well if it matches */
124 if (match(target_server, me.name))
125 return 0;
126 }
127 else
128 cluster_a_line(source_p, "UNKLINE", CAP_UNKLN, SHARED_UNKLINE,
129 "%s %s", user, host);
130
131 if (remove_kline_match(host, user))
132 {
133 sendto_one_notice(source_p, &me, ":K-Line for [%s@%s] is removed", user, host);
134 sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
135 "%s has removed the K-Line for: [%s@%s]",
136 get_oper_name(source_p), user, host);
137 ilog(LOG_TYPE_KLINE, "%s removed K-Line for [%s@%s]",
138 get_oper_name(source_p), user, host);
139 }
140 else
141 sendto_one_notice(source_p, &me, ":No K-Line for [%s@%s] found", user, host);
142 return 0;
143 }
144
145 /*! \brief UNKLINE command handler
146 *
147 * \param source_p Pointer to allocated Client struct from which the message
148 * originally comes from. This can be a local or remote client.
149 * \param parc Integer holding the number of supplied arguments.
150 * \param parv Argument vector where parv[0] .. parv[parc-1] are non-NULL
151 * pointers.
152 * \note Valid arguments for this command are:
153 * - parv[0] = command
154 * - parv[1] = target server
155 * - parv[2] = user mask
156 * - parv[3] = host mask
157 */
158 static int
159 ms_unkline(struct Client *source_p, int parc, char *parv[])
160 {
161 const char *kuser, *khost;
162
163 if (parc != 4 || EmptyString(parv[3]))
164 return 0;
165
166 sendto_match_servs(source_p, parv[1], CAP_UNKLN, "UNKLINE %s %s %s",
167 parv[1], parv[2], parv[3]);
168
169 kuser = parv[2];
170 khost = parv[3];
171
172 if (match(parv[1], me.name))
173 return 0;
174
175 if (HasFlag(source_p, FLAGS_SERVICE) ||
176 find_matching_name_conf(CONF_ULINE, source_p->servptr->name,
177 source_p->username, source_p->host,
178 SHARED_UNKLINE))
179 {
180 if (remove_kline_match(khost, kuser))
181 {
182 if (IsClient(source_p))
183 sendto_one_notice(source_p, &me, ":K-Line for [%s@%s] is removed", kuser, khost);
184
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 if (IsClient(source_p))
192 sendto_one_notice(source_p, &me, ":No K-Line for [%s@%s] found", kuser, khost);
193 }
194
195 return 0;
196 }
197
198 static struct Message unkline_msgtab =
199 {
200 "UNKLINE", NULL, 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
201 { m_unregistered, m_not_oper, ms_unkline, m_ignore, mo_unkline, m_ignore }
202 };
203
204 static void
205 module_init(void)
206 {
207 mod_add_cmd(&unkline_msgtab);
208 add_capability("UNKLN", CAP_UNKLN);
209 }
210
211 static void
212 module_exit(void)
213 {
214 mod_del_cmd(&unkline_msgtab);
215 delete_capability("UNKLN");
216 }
217
218 struct module module_entry =
219 {
220 .node = { NULL, NULL, NULL },
221 .name = NULL,
222 .version = "$Revision$",
223 .handle = NULL,
224 .modinit = module_init,
225 .modexit = module_exit,
226 .flags = 0
227 };

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