1 |
adx |
30 |
/* |
2 |
michael |
2916 |
* ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd) |
3 |
adx |
30 |
* |
4 |
michael |
7006 |
* Copyright (c) 1997-2016 ircd-hybrid development team |
5 |
adx |
30 |
* |
6 |
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* This program is free software; you can redistribute it and/or modify |
7 |
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* it under the terms of the GNU General Public License as published by |
8 |
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* the Free Software Foundation; either version 2 of the License, or |
9 |
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* (at your option) any later version. |
10 |
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* |
11 |
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* This program is distributed in the hope that it will be useful, |
12 |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 |
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* GNU General Public License for more details. |
15 |
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* |
16 |
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* You should have received a copy of the GNU General Public License |
17 |
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* along with this program; if not, write to the Free Software |
18 |
michael |
4565 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 |
19 |
adx |
30 |
* USA |
20 |
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*/ |
21 |
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22 |
michael |
2916 |
/*! \file client.c |
23 |
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* \brief Controls clients. |
24 |
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* \version $Id$ |
25 |
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*/ |
26 |
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27 |
adx |
30 |
#include "stdinc.h" |
28 |
michael |
1011 |
#include "list.h" |
29 |
adx |
30 |
#include "client.h" |
30 |
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#include "event.h" |
31 |
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#include "hash.h" |
32 |
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#include "irc_string.h" |
33 |
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#include "ircd.h" |
34 |
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#include "numeric.h" |
35 |
michael |
3324 |
#include "auth.h" |
36 |
adx |
30 |
#include "s_bsd.h" |
37 |
michael |
1309 |
#include "conf.h" |
38 |
michael |
7304 |
#include "conf_gecos.h" |
39 |
michael |
1309 |
#include "log.h" |
40 |
michael |
3347 |
#include "misc.h" |
41 |
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#include "server.h" |
42 |
adx |
30 |
#include "send.h" |
43 |
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#include "whowas.h" |
44 |
michael |
3347 |
#include "user.h" |
45 |
adx |
30 |
#include "memory.h" |
46 |
michael |
1654 |
#include "mempool.h" |
47 |
adx |
30 |
#include "hostmask.h" |
48 |
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#include "listener.h" |
49 |
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#include "userhost.h" |
50 |
michael |
876 |
#include "watch.h" |
51 |
michael |
1783 |
#include "rng_mt.h" |
52 |
michael |
2682 |
#include "parse.h" |
53 |
michael |
4325 |
#include "ipcache.h" |
54 |
adx |
30 |
|
55 |
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|
56 |
michael |
4213 |
dlink_list listing_client_list; |
57 |
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dlink_list unknown_list; |
58 |
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dlink_list local_client_list; |
59 |
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dlink_list local_server_list; |
60 |
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dlink_list global_client_list; |
61 |
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dlink_list global_server_list; |
62 |
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dlink_list oper_list; |
63 |
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|
64 |
michael |
4579 |
static mp_pool_t *client_pool, *connection_pool; |
65 |
michael |
4213 |
static dlink_list dead_list, abort_list; |
66 |
adx |
30 |
static dlink_node *eac_next; /* next aborted client to exit */ |
67 |
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68 |
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69 |
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/* |
70 |
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* make_client - create a new Client struct and set it to initial state. |
71 |
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* |
72 |
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* from == NULL, create local client (a client connected |
73 |
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* to a socket). |
74 |
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* WARNING: This leaves the client in a dangerous |
75 |
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* state where fd == -1, dead flag is not set and |
76 |
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* the client is on the unknown_list; therefore, |
77 |
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* the first thing to do after calling make_client(NULL) |
78 |
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* is setting fd to something reasonable. -adx |
79 |
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* |
80 |
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* from, create remote client (behind a socket |
81 |
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* associated with the client defined by |
82 |
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* 'from'). ('from' is a local client!!). |
83 |
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*/ |
84 |
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struct Client * |
85 |
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make_client(struct Client *from) |
86 |
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{ |
87 |
michael |
4977 |
struct Client *const client_p = mp_pool_get(client_pool); |
88 |
adx |
30 |
|
89 |
michael |
3235 |
if (!from) |
90 |
adx |
30 |
{ |
91 |
michael |
5545 |
client_p->from = client_p; /* 'from' of local client is self! */ |
92 |
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client_p->connection = mp_pool_get(connection_pool); |
93 |
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client_p->connection->since = CurrentTime; |
94 |
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client_p->connection->lasttime = CurrentTime; |
95 |
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client_p->connection->firsttime = CurrentTime; |
96 |
michael |
4588 |
client_p->connection->registration = REG_INIT; |
97 |
adx |
30 |
|
98 |
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/* as good a place as any... */ |
99 |
michael |
4588 |
dlinkAdd(client_p, &client_p->connection->lclient_node, &unknown_list); |
100 |
adx |
30 |
} |
101 |
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else |
102 |
michael |
5545 |
client_p->from = from; |
103 |
adx |
30 |
|
104 |
michael |
1360 |
client_p->idhnext = client_p; |
105 |
michael |
5545 |
client_p->hnext = client_p; |
106 |
michael |
2678 |
SetUnknown(client_p); |
107 |
adx |
30 |
strcpy(client_p->username, "unknown"); |
108 |
michael |
5731 |
strcpy(client_p->account, "*"); |
109 |
adx |
30 |
|
110 |
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return client_p; |
111 |
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} |
112 |
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113 |
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/* |
114 |
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* free_client |
115 |
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* |
116 |
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* inputs - pointer to client |
117 |
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* output - NONE |
118 |
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* side effects - client pointed to has its memory freed |
119 |
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*/ |
120 |
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static void |
121 |
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free_client(struct Client *client_p) |
122 |
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{ |
123 |
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assert(client_p != &me); |
124 |
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assert(client_p->hnext == client_p); |
125 |
michael |
1360 |
assert(client_p->idhnext == client_p); |
126 |
adx |
30 |
assert(client_p->channel.head == NULL); |
127 |
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assert(dlink_list_length(&client_p->channel) == 0); |
128 |
michael |
1360 |
assert(dlink_list_length(&client_p->whowas) == 0); |
129 |
michael |
5590 |
assert(dlink_list_length(&client_p->svstags) == 0); |
130 |
adx |
30 |
|
131 |
michael |
7032 |
xfree(client_p->serv); |
132 |
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xfree(client_p->certfp); |
133 |
adx |
30 |
|
134 |
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if (MyConnect(client_p)) |
135 |
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{ |
136 |
michael |
4588 |
assert(client_p->connection->invited.head == NULL); |
137 |
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assert(dlink_list_length(&client_p->connection->invited) == 0); |
138 |
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assert(dlink_list_length(&client_p->connection->watches) == 0); |
139 |
michael |
6470 |
assert(HasFlag(client_p, FLAGS_CLOSING) && IsDead(client_p)); |
140 |
adx |
30 |
|
141 |
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/* |
142 |
michael |
5589 |
* Clean up extra sockets from listen {} blocks which have been discarded. |
143 |
adx |
30 |
*/ |
144 |
michael |
4588 |
if (client_p->connection->listener) |
145 |
adx |
30 |
{ |
146 |
michael |
4588 |
listener_release(client_p->connection->listener); |
147 |
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client_p->connection->listener = NULL; |
148 |
adx |
30 |
} |
149 |
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|
150 |
michael |
4588 |
dbuf_clear(&client_p->connection->buf_recvq); |
151 |
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dbuf_clear(&client_p->connection->buf_sendq); |
152 |
adx |
30 |
|
153 |
michael |
4588 |
mp_pool_release(client_p->connection); |
154 |
adx |
30 |
} |
155 |
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|
156 |
michael |
1654 |
mp_pool_release(client_p); |
157 |
adx |
30 |
} |
158 |
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|
159 |
michael |
5551 |
void |
160 |
michael |
5555 |
client_attach_svstag(struct Client *client_p, unsigned int numeric, |
161 |
michael |
5558 |
const char *umodes, const char *const tag) |
162 |
michael |
5555 |
{ |
163 |
michael |
5558 |
const struct user_modes *tab = NULL; |
164 |
michael |
5555 |
|
165 |
michael |
5558 |
if (numeric >= ERR_LAST_ERR_MSG || *umodes != '+') |
166 |
michael |
5555 |
return; |
167 |
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|
168 |
michael |
7076 |
struct ServicesTag *svstag = xcalloc(sizeof(*svstag)); |
169 |
michael |
5555 |
svstag->numeric = numeric; |
170 |
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svstag->tag = xstrdup(tag); |
171 |
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172 |
michael |
5558 |
for (const char *m = umodes + 1; *m; ++m) |
173 |
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if ((tab = umode_map[(unsigned char)*m])) |
174 |
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svstag->umodes |= tab->flag; |
175 |
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|
176 |
michael |
5555 |
if (numeric != RPL_WHOISOPERATOR) |
177 |
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dlinkAddTail(svstag, &svstag->node, &client_p->svstags); |
178 |
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else |
179 |
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dlinkAdd(svstag, &svstag->node, &client_p->svstags); |
180 |
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} |
181 |
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182 |
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void |
183 |
michael |
5551 |
client_clear_svstags(struct Client *client_p) |
184 |
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{ |
185 |
michael |
7244 |
while (client_p->svstags.head) |
186 |
michael |
5551 |
{ |
187 |
michael |
7244 |
struct ServicesTag *svstag = client_p->svstags.head->data; |
188 |
michael |
5551 |
|
189 |
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dlinkDelete(&svstag->node, &client_p->svstags); |
190 |
michael |
7032 |
xfree(svstag->tag); |
191 |
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xfree(svstag); |
192 |
michael |
5551 |
} |
193 |
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} |
194 |
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195 |
adx |
30 |
/* check_pings_list() |
196 |
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* |
197 |
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* inputs - pointer to list to check |
198 |
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* output - NONE |
199 |
michael |
2345 |
* side effects - |
200 |
adx |
30 |
*/ |
201 |
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static void |
202 |
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check_pings_list(dlink_list *list) |
203 |
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{ |
204 |
michael |
6961 |
char buf[32] = ""; /* 32 = sizeof("Ping timeout: 999999999 seconds") */ |
205 |
michael |
7330 |
unsigned int ping = 0; /* ping time value from client */ |
206 |
michael |
4800 |
dlink_node *node = NULL, *node_next = NULL; |
207 |
adx |
30 |
|
208 |
michael |
4800 |
DLINK_FOREACH_SAFE(node, node_next, list->head) |
209 |
adx |
30 |
{ |
210 |
michael |
4800 |
struct Client *client_p = node->data; |
211 |
adx |
30 |
|
212 |
|
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if (IsDead(client_p)) |
213 |
michael |
4214 |
continue; /* Ignore it, its been exited already */ |
214 |
adx |
30 |
|
215 |
michael |
6325 |
if (IsClient(client_p) || IsServer(client_p)) |
216 |
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ping = get_client_ping(&client_p->connection->confs); |
217 |
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else |
218 |
michael |
1644 |
ping = CONNECTTIMEOUT; |
219 |
adx |
30 |
|
220 |
michael |
4588 |
if (ping < CurrentTime - client_p->connection->lasttime) |
221 |
adx |
30 |
{ |
222 |
michael |
6313 |
if (!HasFlag(client_p, FLAGS_PINGSENT)) |
223 |
adx |
30 |
{ |
224 |
michael |
2182 |
/* |
225 |
michael |
4298 |
* If we haven't PINGed the connection and we haven't |
226 |
michael |
2182 |
* heard from it in a while, PING it to make sure |
227 |
|
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* it is still alive. |
228 |
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*/ |
229 |
michael |
6313 |
AddFlag(client_p, FLAGS_PINGSENT); |
230 |
michael |
4588 |
client_p->connection->lasttime = CurrentTime - ping; |
231 |
michael |
2182 |
sendto_one(client_p, "PING :%s", ID_or_name(&me, client_p)); |
232 |
adx |
30 |
} |
233 |
|
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else |
234 |
|
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{ |
235 |
michael |
4588 |
if (CurrentTime - client_p->connection->lasttime >= 2 * ping) |
236 |
adx |
30 |
{ |
237 |
|
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/* |
238 |
|
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* If the client/server hasn't talked to us in 2*ping seconds |
239 |
|
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* and it has a ping time, then close its connection. |
240 |
|
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*/ |
241 |
|
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if (IsServer(client_p) || IsHandshake(client_p)) |
242 |
michael |
2182 |
{ |
243 |
michael |
6318 |
sendto_realops_flags(UMODE_SERVNOTICE, L_ADMIN, SEND_NOTICE, |
244 |
michael |
2182 |
"No response from %s, closing link", |
245 |
michael |
6425 |
get_client_name(client_p, SHOW_IP)); |
246 |
michael |
6318 |
sendto_realops_flags(UMODE_SERVNOTICE, L_OPER, SEND_NOTICE, |
247 |
michael |
2182 |
"No response from %s, closing link", |
248 |
|
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get_client_name(client_p, MASK_IP)); |
249 |
|
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ilog(LOG_TYPE_IRCD, "No response from %s, closing link", |
250 |
michael |
6425 |
get_client_name(client_p, SHOW_IP)); |
251 |
michael |
2182 |
} |
252 |
michael |
650 |
|
253 |
michael |
6854 |
snprintf(buf, sizeof(buf), "Ping timeout: %ji seconds", |
254 |
|
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(CurrentTime - client_p->connection->lasttime)); |
255 |
michael |
4214 |
exit_client(client_p, buf); |
256 |
adx |
30 |
} |
257 |
|
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} |
258 |
|
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} |
259 |
|
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} |
260 |
|
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} |
261 |
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|
262 |
|
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/* check_unknowns_list() |
263 |
|
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* |
264 |
|
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* inputs - pointer to list of unknown clients |
265 |
|
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* output - NONE |
266 |
|
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* side effects - unknown clients get marked for termination after n seconds |
267 |
|
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*/ |
268 |
|
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static void |
269 |
|
|
check_unknowns_list(void) |
270 |
|
|
{ |
271 |
michael |
4800 |
dlink_node *node = NULL, *node_next = NULL; |
272 |
adx |
30 |
|
273 |
michael |
4800 |
DLINK_FOREACH_SAFE(node, node_next, unknown_list.head) |
274 |
adx |
30 |
{ |
275 |
michael |
4800 |
struct Client *client_p = node->data; |
276 |
adx |
30 |
|
277 |
michael |
650 |
/* |
278 |
|
|
* Check UNKNOWN connections - if they have been in this state |
279 |
adx |
30 |
* for > 30s, close them. |
280 |
|
|
*/ |
281 |
michael |
6470 |
if (HasFlag(client_p, FLAGS_FINISHED_AUTH) && (CurrentTime - client_p->connection->firsttime) > 30) |
282 |
michael |
3171 |
exit_client(client_p, "Registration timed out"); |
283 |
adx |
30 |
} |
284 |
|
|
} |
285 |
|
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|
286 |
michael |
4214 |
/* |
287 |
|
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* check_pings - go through the local client list and check activity |
288 |
|
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* kill off stuff that should die |
289 |
|
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* |
290 |
|
|
* inputs - NOT USED (from event) |
291 |
|
|
* side effects - |
292 |
|
|
* |
293 |
|
|
* |
294 |
|
|
* A PING can be sent to clients as necessary. |
295 |
|
|
* |
296 |
|
|
* Client/Server ping outs are handled. |
297 |
|
|
*/ |
298 |
|
|
|
299 |
|
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/* |
300 |
|
|
* Addon from adrian. We used to call this after nextping seconds, |
301 |
|
|
* however I've changed it to run once a second. This is only for |
302 |
|
|
* PING timeouts, not K/etc-line checks (thanks dianora!). Having it |
303 |
|
|
* run once a second makes life a lot easier - when a new client connects |
304 |
|
|
* and they need a ping in 4 seconds, if nextping was set to 20 seconds |
305 |
|
|
* we end up waiting 20 seconds. This is stupid. :-) |
306 |
|
|
* I will optimise (hah!) check_pings() once I've finished working on |
307 |
|
|
* tidying up other network IO evilnesses. |
308 |
|
|
* -- adrian |
309 |
|
|
*/ |
310 |
|
|
|
311 |
|
|
static void |
312 |
michael |
4439 |
check_pings(void *unused) |
313 |
michael |
4214 |
{ |
314 |
|
|
check_pings_list(&local_client_list); |
315 |
|
|
check_pings_list(&local_server_list); |
316 |
|
|
check_unknowns_list(); |
317 |
|
|
} |
318 |
|
|
|
319 |
adx |
30 |
/* check_conf_klines() |
320 |
|
|
* |
321 |
|
|
* inputs - NONE |
322 |
|
|
* output - NONE |
323 |
|
|
* side effects - Check all connections for a pending kline against the |
324 |
|
|
* client, exit the client if a kline matches. |
325 |
|
|
*/ |
326 |
michael |
2345 |
void |
327 |
adx |
30 |
check_conf_klines(void) |
328 |
michael |
2345 |
{ |
329 |
michael |
4800 |
dlink_node *node = NULL, *node_next = NULL; |
330 |
michael |
7304 |
void *ptr; |
331 |
adx |
30 |
|
332 |
michael |
4800 |
DLINK_FOREACH_SAFE(node, node_next, local_client_list.head) |
333 |
adx |
30 |
{ |
334 |
michael |
4800 |
struct Client *client_p = node->data; |
335 |
adx |
30 |
|
336 |
michael |
4823 |
/* If a client is already being exited */ |
337 |
michael |
4725 |
if (IsDead(client_p)) |
338 |
adx |
30 |
continue; |
339 |
|
|
|
340 |
michael |
7304 |
if ((ptr = find_conf_by_address(NULL, &client_p->connection->ip, CONF_DLINE, |
341 |
|
|
client_p->connection->aftype, NULL, NULL, 1))) |
342 |
adx |
30 |
{ |
343 |
michael |
7304 |
const struct MaskItem *conf = ptr; |
344 |
|
|
conf_try_ban(client_p, CLIENT_BAN_DLINE, conf->reason); |
345 |
michael |
5732 |
continue; /* and go examine next Client */ |
346 |
adx |
30 |
} |
347 |
|
|
|
348 |
michael |
7304 |
if ((ptr = find_conf_by_address(client_p->host, &client_p->connection->ip, |
349 |
|
|
CONF_KLINE, client_p->connection->aftype, |
350 |
|
|
client_p->username, NULL, 1))) |
351 |
adx |
30 |
{ |
352 |
michael |
7304 |
const struct MaskItem *conf = ptr; |
353 |
|
|
conf_try_ban(client_p, CLIENT_BAN_KLINE, conf->reason); |
354 |
michael |
5732 |
continue; /* and go examine next Client */ |
355 |
adx |
30 |
} |
356 |
|
|
|
357 |
michael |
7304 |
if ((ptr = gecos_find(client_p->info, match))) |
358 |
adx |
30 |
{ |
359 |
michael |
7304 |
const struct GecosItem *conf = ptr; |
360 |
|
|
conf_try_ban(client_p, CLIENT_BAN_XLINE, conf->reason); |
361 |
michael |
5732 |
continue; /* and go examine next Client */ |
362 |
adx |
30 |
} |
363 |
|
|
} |
364 |
|
|
|
365 |
michael |
5732 |
/* Also check the unknowns list for new dlines */ |
366 |
michael |
4800 |
DLINK_FOREACH_SAFE(node, node_next, unknown_list.head) |
367 |
adx |
30 |
{ |
368 |
michael |
4800 |
struct Client *client_p = node->data; |
369 |
adx |
30 |
|
370 |
michael |
7304 |
if ((ptr = find_conf_by_address(NULL, &client_p->connection->ip, CONF_DLINE, |
371 |
|
|
client_p->connection->aftype, NULL, NULL, 1))) |
372 |
adx |
30 |
{ |
373 |
michael |
7304 |
const struct MaskItem *conf = ptr; |
374 |
|
|
conf_try_ban(client_p, CLIENT_BAN_DLINE, conf->reason); |
375 |
michael |
5732 |
continue; /* and go examine next Client */ |
376 |
adx |
30 |
} |
377 |
|
|
} |
378 |
|
|
} |
379 |
|
|
|
380 |
|
|
/* |
381 |
michael |
2813 |
* conf_try_ban |
382 |
adx |
30 |
* |
383 |
|
|
* inputs - pointer to client to ban |
384 |
michael |
1632 |
* - pointer to MaskItem |
385 |
adx |
30 |
* output - NONE |
386 |
|
|
* side effects - given client_p is banned |
387 |
|
|
*/ |
388 |
michael |
2811 |
void |
389 |
michael |
7304 |
conf_try_ban(struct Client *client_p, int type, const char *reason) |
390 |
adx |
30 |
{ |
391 |
michael |
6943 |
char ban_type = '?'; |
392 |
adx |
30 |
|
393 |
michael |
7304 |
switch (type) |
394 |
adx |
30 |
{ |
395 |
michael |
7304 |
case CLIENT_BAN_KLINE: |
396 |
michael |
6313 |
if (HasFlag(client_p, FLAGS_EXEMPTKLINE)) |
397 |
michael |
2811 |
{ |
398 |
michael |
6318 |
sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE, |
399 |
michael |
2811 |
"KLINE over-ruled for %s, client is kline_exempt", |
400 |
|
|
get_client_name(client_p, HIDE_IP)); |
401 |
|
|
return; |
402 |
|
|
} |
403 |
|
|
|
404 |
michael |
5979 |
ban_type = 'K'; |
405 |
adx |
30 |
break; |
406 |
michael |
7304 |
case CLIENT_BAN_DLINE: |
407 |
michael |
4588 |
if (find_conf_by_address(NULL, &client_p->connection->ip, CONF_EXEMPT, |
408 |
|
|
client_p->connection->aftype, NULL, NULL, 1)) |
409 |
michael |
3929 |
return; |
410 |
michael |
5979 |
ban_type = 'D'; |
411 |
adx |
30 |
break; |
412 |
michael |
7304 |
case CLIENT_BAN_XLINE: |
413 |
michael |
6313 |
if (HasFlag(client_p, FLAGS_EXEMPTXLINE)) |
414 |
michael |
5985 |
{ |
415 |
michael |
6318 |
sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE, |
416 |
michael |
5985 |
"XLINE over-ruled for %s, client is xline_exempt", |
417 |
|
|
get_client_name(client_p, HIDE_IP)); |
418 |
|
|
return; |
419 |
|
|
} |
420 |
michael |
6313 |
|
421 |
michael |
5979 |
ban_type = 'X'; |
422 |
adx |
30 |
break; |
423 |
|
|
default: |
424 |
|
|
assert(0); |
425 |
|
|
break; |
426 |
|
|
} |
427 |
|
|
|
428 |
michael |
6318 |
sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE, "%c-line active for %s", |
429 |
michael |
5979 |
ban_type, get_client_name(client_p, HIDE_IP)); |
430 |
adx |
30 |
|
431 |
|
|
if (IsClient(client_p)) |
432 |
michael |
7304 |
sendto_one_numeric(client_p, &me, ERR_YOUREBANNEDCREEP, reason); |
433 |
adx |
30 |
|
434 |
michael |
7304 |
exit_client(client_p, reason); |
435 |
adx |
30 |
} |
436 |
|
|
|
437 |
|
|
/* update_client_exit_stats() |
438 |
|
|
* |
439 |
|
|
* input - pointer to client |
440 |
|
|
* output - NONE |
441 |
michael |
2345 |
* side effects - |
442 |
adx |
30 |
*/ |
443 |
|
|
static void |
444 |
|
|
update_client_exit_stats(struct Client *client_p) |
445 |
|
|
{ |
446 |
michael |
1143 |
if (IsClient(client_p)) |
447 |
adx |
30 |
{ |
448 |
michael |
1013 |
assert(Count.total > 0); |
449 |
michael |
4999 |
|
450 |
adx |
30 |
--Count.total; |
451 |
michael |
1219 |
if (HasUMode(client_p, UMODE_OPER)) |
452 |
adx |
30 |
--Count.oper; |
453 |
michael |
1219 |
if (HasUMode(client_p, UMODE_INVISIBLE)) |
454 |
adx |
30 |
--Count.invisi; |
455 |
|
|
} |
456 |
michael |
1143 |
else if (IsServer(client_p)) |
457 |
michael |
1618 |
sendto_realops_flags(UMODE_EXTERNAL, L_ALL, SEND_NOTICE, |
458 |
|
|
"Server %s split from %s", |
459 |
michael |
1143 |
client_p->name, client_p->servptr->name); |
460 |
adx |
30 |
} |
461 |
|
|
|
462 |
|
|
/* find_person() |
463 |
|
|
* |
464 |
|
|
* inputs - pointer to name |
465 |
|
|
* output - return client pointer |
466 |
|
|
* side effects - find person by (nick)name |
467 |
|
|
*/ |
468 |
|
|
struct Client * |
469 |
michael |
3170 |
find_person(const struct Client *const source_p, const char *name) |
470 |
adx |
30 |
{ |
471 |
michael |
2475 |
struct Client *target_p = NULL; |
472 |
adx |
30 |
|
473 |
|
|
if (IsDigit(*name)) |
474 |
|
|
{ |
475 |
michael |
3207 |
if (IsServer(source_p->from)) |
476 |
michael |
2586 |
target_p = hash_find_id(name); |
477 |
adx |
30 |
} |
478 |
|
|
else |
479 |
michael |
2475 |
target_p = hash_find_client(name); |
480 |
adx |
30 |
|
481 |
michael |
2475 |
return (target_p && IsClient(target_p)) ? target_p : NULL; |
482 |
adx |
30 |
} |
483 |
|
|
|
484 |
|
|
/* |
485 |
michael |
2475 |
* find_chasing - find the client structure for a nick name (name) |
486 |
michael |
2345 |
* using history mechanism if necessary. If the client is not found, |
487 |
michael |
3192 |
* an error message (NO SUCH NICK) is generated. |
488 |
adx |
30 |
*/ |
489 |
|
|
struct Client * |
490 |
michael |
3192 |
find_chasing(struct Client *source_p, const char *name) |
491 |
adx |
30 |
{ |
492 |
michael |
4884 |
struct Client *target_p = find_person(source_p, name); |
493 |
adx |
30 |
|
494 |
michael |
4884 |
if (target_p) |
495 |
|
|
return target_p; |
496 |
adx |
30 |
|
497 |
michael |
2475 |
if (IsDigit(*name)) |
498 |
michael |
1169 |
return NULL; |
499 |
adx |
30 |
|
500 |
michael |
7330 |
target_p = whowas_get_history(name, (uintmax_t)ConfigGeneral.kill_chase_time_limit); |
501 |
michael |
4884 |
|
502 |
|
|
if (!target_p) |
503 |
adx |
30 |
{ |
504 |
michael |
3109 |
sendto_one_numeric(source_p, &me, ERR_NOSUCHNICK, name); |
505 |
michael |
1169 |
return NULL; |
506 |
adx |
30 |
} |
507 |
|
|
|
508 |
michael |
4884 |
return target_p; |
509 |
adx |
30 |
} |
510 |
|
|
|
511 |
|
|
/* |
512 |
|
|
* get_client_name - Return the name of the client |
513 |
|
|
* for various tracking and |
514 |
|
|
* admin purposes. The main purpose of this function is to |
515 |
|
|
* return the "socket host" name of the client, if that |
516 |
|
|
* differs from the advertised name (other than case). |
517 |
|
|
* But, this can be used to any client structure. |
518 |
|
|
* |
519 |
|
|
* NOTE 1: |
520 |
michael |
4214 |
* Watch out the allocation of "buf", if either source_p->name |
521 |
adx |
30 |
* or source_p->sockhost gets changed into pointers instead of |
522 |
|
|
* directly allocated within the structure... |
523 |
|
|
* |
524 |
|
|
* NOTE 2: |
525 |
|
|
* Function return either a pointer to the structure (source_p) or |
526 |
michael |
4214 |
* to internal buffer (buf). *NEVER* use the returned pointer |
527 |
adx |
30 |
* to modify what it points!!! |
528 |
|
|
*/ |
529 |
|
|
const char * |
530 |
michael |
3235 |
get_client_name(const struct Client *client_p, enum addr_mask_type type) |
531 |
adx |
30 |
{ |
532 |
michael |
6963 |
static char buf[HOSTLEN * 2 + USERLEN + 4]; /* +4 for [,@,],\0 */ |
533 |
adx |
30 |
|
534 |
michael |
3235 |
if (!MyConnect(client_p)) |
535 |
|
|
return client_p->name; |
536 |
adx |
30 |
|
537 |
michael |
3235 |
if (IsServer(client_p) || IsConnecting(client_p) || IsHandshake(client_p)) |
538 |
michael |
1340 |
{ |
539 |
michael |
3235 |
if (!irccmp(client_p->name, client_p->host)) |
540 |
|
|
return client_p->name; |
541 |
michael |
1340 |
else if (ConfigServerHide.hide_server_ips) |
542 |
michael |
1328 |
type = MASK_IP; |
543 |
michael |
1340 |
} |
544 |
adx |
30 |
|
545 |
|
|
/* And finally, let's get the host information, ip or name */ |
546 |
michael |
1328 |
switch (type) |
547 |
adx |
30 |
{ |
548 |
|
|
case SHOW_IP: |
549 |
michael |
4214 |
snprintf(buf, sizeof(buf), "%s[%s@%s]", |
550 |
michael |
3235 |
client_p->name, |
551 |
|
|
client_p->username, client_p->sockhost); |
552 |
michael |
1339 |
break; |
553 |
adx |
30 |
case MASK_IP: |
554 |
michael |
4588 |
if (client_p->connection->aftype == AF_INET) |
555 |
michael |
4214 |
snprintf(buf, sizeof(buf), "%s[%s@255.255.255.255]", |
556 |
michael |
3235 |
client_p->name, client_p->username); |
557 |
michael |
1339 |
else |
558 |
michael |
4214 |
snprintf(buf, sizeof(buf), "%s[%s@ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff]", |
559 |
michael |
3235 |
client_p->name, client_p->username); |
560 |
adx |
30 |
break; |
561 |
michael |
6310 |
default: /* HIDE_IP */ |
562 |
michael |
4214 |
snprintf(buf, sizeof(buf), "%s[%s@%s]", |
563 |
michael |
3235 |
client_p->name, |
564 |
|
|
client_p->username, client_p->host); |
565 |
adx |
30 |
} |
566 |
|
|
|
567 |
michael |
4214 |
return buf; |
568 |
adx |
30 |
} |
569 |
|
|
|
570 |
|
|
void |
571 |
|
|
free_exited_clients(void) |
572 |
|
|
{ |
573 |
michael |
4800 |
dlink_node *node = NULL, *node_next = NULL; |
574 |
michael |
2345 |
|
575 |
michael |
4800 |
DLINK_FOREACH_SAFE(node, node_next, dead_list.head) |
576 |
adx |
30 |
{ |
577 |
michael |
4800 |
free_client(node->data); |
578 |
|
|
dlinkDelete(node, &dead_list); |
579 |
|
|
free_dlink_node(node); |
580 |
adx |
30 |
} |
581 |
|
|
} |
582 |
|
|
|
583 |
|
|
/* |
584 |
|
|
* Exit one client, local or remote. Assuming all dependents have |
585 |
|
|
* been already removed, and socket closed for local client. |
586 |
|
|
* |
587 |
|
|
* The only messages generated are QUITs on channels. |
588 |
|
|
*/ |
589 |
|
|
static void |
590 |
michael |
4214 |
exit_one_client(struct Client *source_p, const char *comment) |
591 |
adx |
30 |
{ |
592 |
michael |
4800 |
dlink_node *node = NULL, *node_next = NULL; |
593 |
adx |
30 |
|
594 |
|
|
assert(!IsMe(source_p)); |
595 |
michael |
4214 |
assert(source_p != &me); |
596 |
adx |
30 |
|
597 |
michael |
1118 |
if (IsClient(source_p)) |
598 |
adx |
30 |
{ |
599 |
michael |
3202 |
dlinkDelete(&source_p->lnode, &source_p->servptr->serv->client_list); |
600 |
michael |
4189 |
dlinkDelete(&source_p->node, &global_client_list); |
601 |
adx |
30 |
|
602 |
michael |
1118 |
/* |
603 |
|
|
* If a person is on a channel, send a QUIT notice |
604 |
|
|
* to every client (person) on the same channel (so |
605 |
|
|
* that the client can show the "**signoff" message). |
606 |
|
|
* (Note: The notice is to the local clients *only*) |
607 |
|
|
*/ |
608 |
michael |
6774 |
sendto_common_channels_local(source_p, 0, 0, 0, ":%s!%s@%s QUIT :%s", |
609 |
adx |
30 |
source_p->name, source_p->username, |
610 |
michael |
4214 |
source_p->host, comment); |
611 |
michael |
4884 |
|
612 |
michael |
4800 |
DLINK_FOREACH_SAFE(node, node_next, source_p->channel.head) |
613 |
|
|
remove_user_from_channel(node->data); |
614 |
adx |
30 |
|
615 |
michael |
6942 |
client_clear_svstags(source_p); |
616 |
|
|
|
617 |
michael |
2300 |
whowas_add_history(source_p, 0); |
618 |
|
|
whowas_off_history(source_p); |
619 |
adx |
30 |
|
620 |
michael |
876 |
watch_check_hash(source_p, RPL_LOGOFF); |
621 |
|
|
|
622 |
michael |
889 |
if (MyConnect(source_p)) |
623 |
adx |
30 |
{ |
624 |
michael |
5852 |
clear_invites_client(source_p); |
625 |
michael |
887 |
del_all_accepts(source_p); |
626 |
michael |
317 |
} |
627 |
adx |
30 |
} |
628 |
michael |
1118 |
else if (IsServer(source_p)) |
629 |
|
|
{ |
630 |
|
|
dlinkDelete(&source_p->lnode, &source_p->servptr->serv->server_list); |
631 |
michael |
4189 |
dlinkDelete(&source_p->node, &global_client_list); |
632 |
adx |
30 |
|
633 |
michael |
4800 |
if ((node = dlinkFindDelete(&global_server_list, source_p))) |
634 |
|
|
free_dlink_node(node); |
635 |
michael |
1118 |
} |
636 |
|
|
|
637 |
adx |
30 |
/* Remove source_p from the client lists */ |
638 |
michael |
3187 |
if (source_p->id[0]) |
639 |
adx |
30 |
hash_del_id(source_p); |
640 |
michael |
4884 |
|
641 |
adx |
30 |
if (source_p->name[0]) |
642 |
|
|
hash_del_client(source_p); |
643 |
|
|
|
644 |
michael |
6313 |
if (HasFlag(source_p, FLAGS_USERHOST)) |
645 |
michael |
6441 |
userhost_del(source_p->username, source_p->host, !MyConnect(source_p)); |
646 |
adx |
30 |
|
647 |
|
|
update_client_exit_stats(source_p); |
648 |
|
|
|
649 |
|
|
/* Check to see if the client isn't already on the dead list */ |
650 |
|
|
assert(dlinkFind(&dead_list, source_p) == NULL); |
651 |
|
|
|
652 |
|
|
/* add to dead client dlist */ |
653 |
|
|
SetDead(source_p); |
654 |
|
|
dlinkAdd(source_p, make_dlink_node(), &dead_list); |
655 |
|
|
} |
656 |
|
|
|
657 |
michael |
2345 |
/* |
658 |
adx |
30 |
* Remove all clients that depend on source_p; assumes all (S)QUITs have |
659 |
michael |
2345 |
* already been sent. we make sure to exit a server's dependent clients |
660 |
|
|
* and servers before the server itself; exit_one_client takes care of |
661 |
adx |
30 |
* actually removing things off llists. tweaked from +CSr31 -orabidoo |
662 |
|
|
*/ |
663 |
|
|
static void |
664 |
michael |
4214 |
recurse_remove_clients(struct Client *source_p, const char *comment) |
665 |
adx |
30 |
{ |
666 |
michael |
4800 |
dlink_node *node = NULL, *node_next = NULL; |
667 |
adx |
30 |
|
668 |
michael |
4800 |
DLINK_FOREACH_SAFE(node, node_next, source_p->serv->client_list.head) |
669 |
|
|
exit_one_client(node->data, comment); |
670 |
adx |
30 |
|
671 |
michael |
4800 |
DLINK_FOREACH_SAFE(node, node_next, source_p->serv->server_list.head) |
672 |
adx |
30 |
{ |
673 |
michael |
4800 |
recurse_remove_clients(node->data, comment); |
674 |
|
|
exit_one_client(node->data, comment); |
675 |
adx |
30 |
} |
676 |
|
|
} |
677 |
|
|
|
678 |
|
|
/* |
679 |
|
|
* exit_client - exit a client of any type. Generally, you can use |
680 |
|
|
* this on any struct Client, regardless of its state. |
681 |
|
|
* |
682 |
|
|
* Note, you shouldn't exit remote _users_ without first doing |
683 |
michael |
1219 |
* AddFlag(x, FLAGS_KILLED) and propagating a kill or similar message. |
684 |
michael |
3171 |
* |
685 |
michael |
1219 |
* However, it is perfectly correct to call exit_client to force a _server_ |
686 |
adx |
30 |
* quit (either local or remote one). |
687 |
|
|
* |
688 |
michael |
3171 |
* |
689 |
adx |
30 |
* inputs: - a client pointer that is going to be exited |
690 |
|
|
* output: none |
691 |
|
|
* side effects: the client is delinked from all lists, disconnected, |
692 |
|
|
* and the rest of IRC network is notified of the exit. |
693 |
|
|
* Client memory is scheduled to be freed |
694 |
|
|
*/ |
695 |
|
|
void |
696 |
michael |
3171 |
exit_client(struct Client *source_p, const char *comment) |
697 |
adx |
30 |
{ |
698 |
michael |
4800 |
dlink_node *node = NULL; |
699 |
adx |
30 |
|
700 |
michael |
4214 |
assert(!IsMe(source_p)); |
701 |
|
|
assert(source_p != &me); |
702 |
|
|
|
703 |
adx |
30 |
if (MyConnect(source_p)) |
704 |
|
|
{ |
705 |
|
|
/* DO NOT REMOVE. exit_client can be called twice after a failed |
706 |
|
|
* read/write. |
707 |
|
|
*/ |
708 |
michael |
6470 |
if (HasFlag(source_p, FLAGS_CLOSING)) |
709 |
adx |
30 |
return; |
710 |
|
|
|
711 |
michael |
6470 |
AddFlag(source_p, FLAGS_CLOSING); |
712 |
adx |
30 |
|
713 |
michael |
4400 |
if (HasFlag(source_p, FLAGS_IPHASH)) |
714 |
|
|
{ |
715 |
|
|
DelFlag(source_p, FLAGS_IPHASH); |
716 |
michael |
4588 |
ipcache_remove_address(&source_p->connection->ip); |
717 |
michael |
4400 |
} |
718 |
adx |
30 |
|
719 |
michael |
4588 |
delete_auth(&source_p->connection->auth); |
720 |
adx |
30 |
|
721 |
michael |
6325 |
if (IsClient(source_p)) |
722 |
adx |
30 |
{ |
723 |
michael |
1013 |
assert(Count.local > 0); |
724 |
michael |
4999 |
|
725 |
michael |
4884 |
--Count.local; |
726 |
adx |
30 |
|
727 |
michael |
1219 |
if (HasUMode(source_p, UMODE_OPER)) |
728 |
michael |
4800 |
if ((node = dlinkFindDelete(&oper_list, source_p))) |
729 |
|
|
free_dlink_node(node); |
730 |
adx |
30 |
|
731 |
michael |
1126 |
assert(dlinkFind(&local_client_list, source_p)); |
732 |
michael |
4588 |
dlinkDelete(&source_p->connection->lclient_node, &local_client_list); |
733 |
michael |
1126 |
|
734 |
michael |
4588 |
if (source_p->connection->list_task) |
735 |
michael |
3289 |
free_list_task(source_p); |
736 |
adx |
30 |
|
737 |
michael |
876 |
watch_del_watch_list(source_p); |
738 |
michael |
5551 |
|
739 |
michael |
1618 |
sendto_realops_flags(UMODE_CCONN, L_ALL, SEND_NOTICE, |
740 |
|
|
"Client exiting: %s (%s@%s) [%s] [%s]", |
741 |
michael |
6853 |
source_p->name, source_p->username, source_p->host, |
742 |
|
|
source_p->sockhost, comment); |
743 |
michael |
4884 |
|
744 |
michael |
7337 |
ilog(LOG_TYPE_USER, "%s (%ju): %s!%s@%s %s %s %ju/%ju :%s", |
745 |
|
|
date_ctime(source_p->connection->firsttime), |
746 |
|
|
CurrentTime - source_p->connection->firsttime, |
747 |
michael |
1247 |
source_p->name, source_p->username, source_p->host, |
748 |
michael |
7337 |
source_p->sockhost, source_p->account, |
749 |
|
|
source_p->connection->send.bytes >> 10, |
750 |
|
|
source_p->connection->recv.bytes >> 10, source_p->info); |
751 |
adx |
30 |
} |
752 |
michael |
1571 |
else if (IsServer(source_p)) |
753 |
adx |
30 |
{ |
754 |
michael |
1571 |
assert(Count.myserver > 0); |
755 |
michael |
4999 |
|
756 |
michael |
1571 |
--Count.myserver; |
757 |
adx |
30 |
|
758 |
michael |
4213 |
assert(dlinkFind(&local_server_list, source_p)); |
759 |
michael |
4588 |
dlinkDelete(&source_p->connection->lclient_node, &local_server_list); |
760 |
adx |
30 |
} |
761 |
michael |
6325 |
else |
762 |
|
|
{ |
763 |
|
|
assert(dlinkFind(&unknown_list, source_p)); |
764 |
|
|
dlinkDelete(&source_p->connection->lclient_node, &unknown_list); |
765 |
|
|
} |
766 |
adx |
30 |
|
767 |
|
|
if (!IsDead(source_p)) |
768 |
|
|
{ |
769 |
|
|
if (IsServer(source_p)) |
770 |
|
|
{ |
771 |
michael |
3171 |
if (!HasFlag(source_p, FLAGS_SQUIT)) |
772 |
|
|
{ |
773 |
|
|
/* for them, we are exiting the network */ |
774 |
|
|
sendto_one(source_p, ":%s SQUIT %s :%s", |
775 |
michael |
3186 |
me.id, me.id, comment); |
776 |
michael |
3171 |
} |
777 |
adx |
30 |
} |
778 |
|
|
|
779 |
|
|
sendto_one(source_p, "ERROR :Closing Link: %s (%s)", |
780 |
|
|
source_p->host, comment); |
781 |
|
|
} |
782 |
|
|
|
783 |
|
|
close_connection(source_p); |
784 |
|
|
} |
785 |
michael |
1991 |
else if (IsClient(source_p) && HasFlag(source_p->servptr, FLAGS_EOB)) |
786 |
michael |
1976 |
sendto_realops_flags(UMODE_FARCONNECT, L_ALL, SEND_NOTICE, |
787 |
michael |
6853 |
"Client exiting at %s: %s (%s@%s) [%s] [%s]", |
788 |
michael |
1976 |
source_p->servptr->name, source_p->name, |
789 |
michael |
6853 |
source_p->username, source_p->host, source_p->sockhost, comment); |
790 |
adx |
30 |
|
791 |
|
|
if (IsServer(source_p)) |
792 |
|
|
{ |
793 |
michael |
3171 |
char splitstr[HOSTLEN + HOSTLEN + 2] = ""; |
794 |
adx |
30 |
|
795 |
michael |
5590 |
assert(source_p->serv); |
796 |
|
|
assert(source_p->servptr); |
797 |
adx |
30 |
|
798 |
|
|
if (ConfigServerHide.hide_servers) |
799 |
michael |
887 |
/* |
800 |
michael |
2345 |
* Set netsplit message to "*.net *.split" to still show |
801 |
adx |
30 |
* that its a split, but hide the servers splitting |
802 |
|
|
*/ |
803 |
michael |
3171 |
strlcpy(splitstr, "*.net *.split", sizeof(splitstr)); |
804 |
adx |
30 |
else |
805 |
|
|
snprintf(splitstr, sizeof(splitstr), "%s %s", |
806 |
|
|
source_p->servptr->name, source_p->name); |
807 |
|
|
|
808 |
michael |
4213 |
/* Send SQUIT for source_p in every direction. source_p is already off of local_server_list here */ |
809 |
michael |
3171 |
if (!HasFlag(source_p, FLAGS_SQUIT)) |
810 |
michael |
4962 |
sendto_server(NULL, 0, 0, "SQUIT %s :%s", source_p->id, comment); |
811 |
adx |
30 |
|
812 |
michael |
3171 |
/* Now exit the clients internally */ |
813 |
|
|
recurse_remove_clients(source_p, splitstr); |
814 |
|
|
|
815 |
michael |
3247 |
if (MyConnect(source_p)) |
816 |
adx |
30 |
{ |
817 |
michael |
6318 |
sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE, |
818 |
michael |
6782 |
"%s was connected for %s. %ju/%ju sendK/recvK.", |
819 |
michael |
6569 |
source_p->name, time_dissect(CurrentTime - source_p->connection->firsttime), |
820 |
michael |
4588 |
source_p->connection->send.bytes >> 10, |
821 |
|
|
source_p->connection->recv.bytes >> 10); |
822 |
michael |
6782 |
ilog(LOG_TYPE_IRCD, "%s was connected for %s. %ju/%ju sendK/recvK.", |
823 |
michael |
6569 |
source_p->name, time_dissect(CurrentTime - source_p->connection->firsttime), |
824 |
michael |
5589 |
source_p->connection->send.bytes >> 10, |
825 |
|
|
source_p->connection->recv.bytes >> 10); |
826 |
adx |
30 |
} |
827 |
|
|
} |
828 |
michael |
1219 |
else if (IsClient(source_p) && !HasFlag(source_p, FLAGS_KILLED)) |
829 |
michael |
4962 |
sendto_server(source_p->from, 0, 0, ":%s QUIT :%s", |
830 |
michael |
3186 |
source_p->id, comment); |
831 |
adx |
30 |
|
832 |
|
|
/* The client *better* be off all of the lists */ |
833 |
|
|
assert(dlinkFind(&unknown_list, source_p) == NULL); |
834 |
|
|
assert(dlinkFind(&local_client_list, source_p) == NULL); |
835 |
michael |
4213 |
assert(dlinkFind(&local_server_list, source_p) == NULL); |
836 |
adx |
30 |
assert(dlinkFind(&oper_list, source_p) == NULL); |
837 |
|
|
|
838 |
|
|
exit_one_client(source_p, comment); |
839 |
|
|
} |
840 |
|
|
|
841 |
|
|
/* |
842 |
|
|
* dead_link_on_write - report a write error if not already dead, |
843 |
|
|
* mark it as dead then exit it |
844 |
|
|
*/ |
845 |
|
|
void |
846 |
|
|
dead_link_on_write(struct Client *client_p, int ierrno) |
847 |
|
|
{ |
848 |
michael |
4800 |
dlink_node *node; |
849 |
adx |
30 |
|
850 |
|
|
if (IsDefunct(client_p)) |
851 |
|
|
return; |
852 |
|
|
|
853 |
michael |
4588 |
dbuf_clear(&client_p->connection->buf_recvq); |
854 |
|
|
dbuf_clear(&client_p->connection->buf_sendq); |
855 |
adx |
30 |
|
856 |
|
|
assert(dlinkFind(&abort_list, client_p) == NULL); |
857 |
michael |
4800 |
node = make_dlink_node(); |
858 |
adx |
30 |
/* don't let exit_aborted_clients() finish yet */ |
859 |
michael |
4800 |
dlinkAddTail(client_p, node, &abort_list); |
860 |
adx |
30 |
|
861 |
|
|
if (eac_next == NULL) |
862 |
michael |
4800 |
eac_next = node; |
863 |
adx |
30 |
|
864 |
|
|
SetDead(client_p); /* You are dead my friend */ |
865 |
|
|
} |
866 |
|
|
|
867 |
|
|
/* |
868 |
|
|
* dead_link_on_read - report a read error if not already dead, |
869 |
|
|
* mark it as dead then exit it |
870 |
|
|
*/ |
871 |
|
|
void |
872 |
|
|
dead_link_on_read(struct Client *client_p, int error) |
873 |
|
|
{ |
874 |
michael |
2691 |
char errmsg[IRCD_BUFSIZE]; |
875 |
adx |
30 |
int current_error; |
876 |
|
|
|
877 |
|
|
if (IsDefunct(client_p)) |
878 |
|
|
return; |
879 |
|
|
|
880 |
michael |
4588 |
dbuf_clear(&client_p->connection->buf_recvq); |
881 |
|
|
dbuf_clear(&client_p->connection->buf_sendq); |
882 |
adx |
30 |
|
883 |
michael |
4588 |
current_error = get_sockerr(client_p->connection->fd.fd); |
884 |
adx |
30 |
|
885 |
|
|
if (IsServer(client_p) || IsHandshake(client_p)) |
886 |
|
|
{ |
887 |
|
|
if (error == 0) |
888 |
|
|
{ |
889 |
|
|
/* Admins get the real IP */ |
890 |
michael |
6318 |
sendto_realops_flags(UMODE_SERVNOTICE, L_ADMIN, SEND_NOTICE, |
891 |
michael |
2182 |
"Server %s closed the connection", |
892 |
|
|
get_client_name(client_p, SHOW_IP)); |
893 |
adx |
30 |
|
894 |
|
|
/* Opers get a masked IP */ |
895 |
michael |
6318 |
sendto_realops_flags(UMODE_SERVNOTICE, L_OPER, SEND_NOTICE, |
896 |
michael |
2182 |
"Server %s closed the connection", |
897 |
|
|
get_client_name(client_p, MASK_IP)); |
898 |
adx |
30 |
|
899 |
michael |
1247 |
ilog(LOG_TYPE_IRCD, "Server %s closed the connection", |
900 |
michael |
2182 |
get_client_name(client_p, SHOW_IP)); |
901 |
adx |
30 |
} |
902 |
|
|
else |
903 |
|
|
{ |
904 |
michael |
617 |
report_error(L_ADMIN, "Lost connection to %s: %s", |
905 |
michael |
2182 |
get_client_name(client_p, SHOW_IP), current_error); |
906 |
michael |
617 |
report_error(L_OPER, "Lost connection to %s: %s", |
907 |
michael |
2182 |
get_client_name(client_p, MASK_IP), current_error); |
908 |
adx |
30 |
} |
909 |
|
|
|
910 |
michael |
6318 |
sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE, |
911 |
michael |
6569 |
"%s was connected for %s", |
912 |
|
|
client_p->name, time_dissect(CurrentTime - client_p->connection->firsttime)); |
913 |
adx |
30 |
} |
914 |
|
|
|
915 |
|
|
if (error == 0) |
916 |
|
|
strlcpy(errmsg, "Remote host closed the connection", |
917 |
|
|
sizeof(errmsg)); |
918 |
|
|
else |
919 |
michael |
1124 |
snprintf(errmsg, sizeof(errmsg), "Read error: %s", |
920 |
|
|
strerror(current_error)); |
921 |
adx |
30 |
|
922 |
michael |
3171 |
exit_client(client_p, errmsg); |
923 |
adx |
30 |
} |
924 |
|
|
|
925 |
|
|
void |
926 |
|
|
exit_aborted_clients(void) |
927 |
|
|
{ |
928 |
|
|
dlink_node *ptr; |
929 |
|
|
struct Client *target_p; |
930 |
|
|
const char *notice; |
931 |
|
|
|
932 |
|
|
DLINK_FOREACH_SAFE(ptr, eac_next, abort_list.head) |
933 |
|
|
{ |
934 |
|
|
target_p = ptr->data; |
935 |
|
|
eac_next = ptr->next; |
936 |
|
|
|
937 |
|
|
if (target_p == NULL) |
938 |
|
|
{ |
939 |
michael |
6318 |
sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE, |
940 |
adx |
30 |
"Warning: null client on abort_list!"); |
941 |
|
|
dlinkDelete(ptr, &abort_list); |
942 |
|
|
free_dlink_node(ptr); |
943 |
|
|
continue; |
944 |
|
|
} |
945 |
|
|
|
946 |
|
|
dlinkDelete(ptr, &abort_list); |
947 |
|
|
|
948 |
michael |
6313 |
if (HasFlag(target_p, FLAGS_SENDQEX)) |
949 |
adx |
30 |
notice = "Max SendQ exceeded"; |
950 |
|
|
else |
951 |
|
|
notice = "Write error: connection closed"; |
952 |
|
|
|
953 |
michael |
3171 |
exit_client(target_p, notice); |
954 |
adx |
30 |
free_dlink_node(ptr); |
955 |
|
|
} |
956 |
|
|
} |
957 |
|
|
|
958 |
|
|
/* |
959 |
|
|
* accept processing, this adds a form of "caller ID" to ircd |
960 |
michael |
887 |
* |
961 |
adx |
30 |
* If a client puts themselves into "caller ID only" mode, |
962 |
michael |
887 |
* only clients that match a client pointer they have put on |
963 |
adx |
30 |
* the accept list will be allowed to message them. |
964 |
|
|
* |
965 |
michael |
887 |
* Diane Bruce, "Dianora" db@db.net |
966 |
adx |
30 |
*/ |
967 |
|
|
|
968 |
michael |
887 |
void |
969 |
michael |
4975 |
del_accept(struct split_nuh_item *accept_p, struct Client *client_p) |
970 |
adx |
30 |
{ |
971 |
michael |
4975 |
dlinkDelete(&accept_p->node, &client_p->connection->acceptlist); |
972 |
adx |
30 |
|
973 |
michael |
7032 |
xfree(accept_p->nickptr); |
974 |
|
|
xfree(accept_p->userptr); |
975 |
|
|
xfree(accept_p->hostptr); |
976 |
|
|
xfree(accept_p); |
977 |
michael |
887 |
} |
978 |
adx |
30 |
|
979 |
michael |
887 |
struct split_nuh_item * |
980 |
|
|
find_accept(const char *nick, const char *user, |
981 |
michael |
2363 |
const char *host, struct Client *client_p, |
982 |
|
|
int (*cmpfunc)(const char *, const char *)) |
983 |
michael |
887 |
{ |
984 |
michael |
4800 |
dlink_node *node = NULL; |
985 |
adx |
30 |
|
986 |
michael |
4800 |
DLINK_FOREACH(node, client_p->connection->acceptlist.head) |
987 |
adx |
30 |
{ |
988 |
michael |
4975 |
struct split_nuh_item *accept_p = node->data; |
989 |
michael |
887 |
|
990 |
michael |
4975 |
if (!cmpfunc(accept_p->nickptr, nick) && |
991 |
|
|
!cmpfunc(accept_p->userptr, user) && |
992 |
|
|
!cmpfunc(accept_p->hostptr, host)) |
993 |
|
|
return accept_p; |
994 |
adx |
30 |
} |
995 |
|
|
|
996 |
michael |
887 |
return NULL; |
997 |
adx |
30 |
} |
998 |
|
|
|
999 |
michael |
887 |
/* accept_message() |
1000 |
adx |
30 |
* |
1001 |
michael |
887 |
* inputs - pointer to source client |
1002 |
|
|
* - pointer to target client |
1003 |
|
|
* output - 1 if accept this message 0 if not |
1004 |
|
|
* side effects - See if source is on target's allow list |
1005 |
adx |
30 |
*/ |
1006 |
michael |
887 |
int |
1007 |
|
|
accept_message(struct Client *source, |
1008 |
|
|
struct Client *target) |
1009 |
adx |
30 |
{ |
1010 |
michael |
4800 |
dlink_node *node = NULL; |
1011 |
adx |
30 |
|
1012 |
michael |
5451 |
if (HasFlag(source, FLAGS_SERVICE) || |
1013 |
|
|
(HasUMode(source, UMODE_OPER) && ConfigGeneral.opers_bypass_callerid)) |
1014 |
|
|
return 1; |
1015 |
|
|
|
1016 |
michael |
887 |
if (source == target || find_accept(source->name, source->username, |
1017 |
michael |
2363 |
source->host, target, match)) |
1018 |
michael |
887 |
return 1; |
1019 |
adx |
30 |
|
1020 |
michael |
4660 |
if (!HasUMode(target, UMODE_CALLERID) && HasUMode(target, UMODE_SOFTCALLERID)) |
1021 |
michael |
4800 |
DLINK_FOREACH(node, target->channel.head) |
1022 |
|
|
if (IsMember(source, ((struct Membership *)node->data)->chptr)) |
1023 |
michael |
887 |
return 1; |
1024 |
adx |
30 |
|
1025 |
michael |
887 |
return 0; |
1026 |
adx |
30 |
} |
1027 |
|
|
|
1028 |
|
|
/* del_all_accepts() |
1029 |
|
|
* |
1030 |
michael |
887 |
* inputs - pointer to exiting client |
1031 |
|
|
* output - NONE |
1032 |
|
|
* side effects - Walk through given clients acceptlist and remove all entries |
1033 |
adx |
30 |
*/ |
1034 |
|
|
void |
1035 |
|
|
del_all_accepts(struct Client *client_p) |
1036 |
|
|
{ |
1037 |
michael |
4800 |
dlink_node *node = NULL, *node_next = NULL; |
1038 |
adx |
30 |
|
1039 |
michael |
4800 |
DLINK_FOREACH_SAFE(node, node_next, client_p->connection->acceptlist.head) |
1040 |
|
|
del_accept(node->data, client_p); |
1041 |
adx |
30 |
} |
1042 |
michael |
1783 |
|
1043 |
|
|
unsigned int |
1044 |
michael |
5545 |
client_get_idle_time(const struct Client *source_p, |
1045 |
|
|
const struct Client *target_p) |
1046 |
michael |
1783 |
{ |
1047 |
|
|
unsigned int idle = 0; |
1048 |
|
|
unsigned int min_idle = 0; |
1049 |
|
|
unsigned int max_idle = 0; |
1050 |
michael |
4833 |
const struct ClassItem *const class = get_class_ptr(&target_p->connection->confs); |
1051 |
michael |
1783 |
|
1052 |
michael |
1785 |
if (!(class->flags & CLASS_FLAGS_FAKE_IDLE) || target_p == source_p) |
1053 |
michael |
4588 |
return CurrentTime - target_p->connection->last_privmsg; |
1054 |
michael |
4884 |
|
1055 |
michael |
1783 |
if (HasUMode(source_p, UMODE_OPER) && |
1056 |
michael |
1785 |
!(class->flags & CLASS_FLAGS_HIDE_IDLE_FROM_OPERS)) |
1057 |
michael |
4588 |
return CurrentTime - target_p->connection->last_privmsg; |
1058 |
michael |
1783 |
|
1059 |
|
|
min_idle = class->min_idle; |
1060 |
|
|
max_idle = class->max_idle; |
1061 |
|
|
|
1062 |
|
|
if (min_idle == max_idle) |
1063 |
|
|
return min_idle; |
1064 |
|
|
|
1065 |
|
|
if (class->flags & CLASS_FLAGS_RANDOM_IDLE) |
1066 |
|
|
idle = genrand_int32(); |
1067 |
|
|
else |
1068 |
michael |
4588 |
idle = CurrentTime - target_p->connection->last_privmsg; |
1069 |
michael |
1783 |
|
1070 |
michael |
3235 |
if (!max_idle) |
1071 |
michael |
1783 |
idle = 0; |
1072 |
|
|
else |
1073 |
|
|
idle %= max_idle; |
1074 |
|
|
|
1075 |
|
|
if (idle < min_idle) |
1076 |
|
|
idle = min_idle + (idle % (max_idle - min_idle)); |
1077 |
|
|
|
1078 |
|
|
return idle; |
1079 |
|
|
} |
1080 |
michael |
4214 |
|
1081 |
|
|
/* client_init() |
1082 |
|
|
* |
1083 |
|
|
* inputs - NONE |
1084 |
|
|
* output - NONE |
1085 |
|
|
* side effects - initialize client free memory |
1086 |
|
|
*/ |
1087 |
|
|
void |
1088 |
|
|
client_init(void) |
1089 |
|
|
{ |
1090 |
|
|
static struct event event_ping = |
1091 |
|
|
{ |
1092 |
|
|
.name = "check_pings", |
1093 |
|
|
.handler = check_pings, |
1094 |
|
|
.when = 5 |
1095 |
|
|
}; |
1096 |
|
|
|
1097 |
|
|
client_pool = mp_pool_new(sizeof(struct Client), MP_CHUNK_SIZE_CLIENT); |
1098 |
michael |
4579 |
connection_pool = mp_pool_new(sizeof(struct Connection), MP_CHUNK_SIZE_CONNECTION); |
1099 |
michael |
4214 |
event_add(&event_ping, NULL); |
1100 |
|
|
} |