1 |
adx |
30 |
/* |
2 |
michael |
2916 |
* ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd) |
3 |
adx |
30 |
* |
4 |
michael |
5346 |
* Copyright (c) 1997-2015 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 |
4564 |
* 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 |
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#include "log.h" |
39 |
michael |
3347 |
#include "misc.h" |
40 |
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#include "server.h" |
41 |
adx |
30 |
#include "send.h" |
42 |
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#include "whowas.h" |
43 |
michael |
3347 |
#include "user.h" |
44 |
adx |
30 |
#include "memory.h" |
45 |
michael |
1654 |
#include "mempool.h" |
46 |
adx |
30 |
#include "hostmask.h" |
47 |
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#include "listener.h" |
48 |
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#include "userhost.h" |
49 |
michael |
876 |
#include "watch.h" |
50 |
michael |
1783 |
#include "rng_mt.h" |
51 |
michael |
2682 |
#include "parse.h" |
52 |
michael |
4326 |
#include "ipcache.h" |
53 |
adx |
30 |
|
54 |
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55 |
michael |
4212 |
dlink_list listing_client_list; |
56 |
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dlink_list unknown_list; |
57 |
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dlink_list local_client_list; |
58 |
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dlink_list local_server_list; |
59 |
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dlink_list global_client_list; |
60 |
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dlink_list global_server_list; |
61 |
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dlink_list oper_list; |
62 |
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|
63 |
michael |
4578 |
static mp_pool_t *client_pool, *connection_pool; |
64 |
michael |
4212 |
static dlink_list dead_list, abort_list; |
65 |
adx |
30 |
static dlink_node *eac_next; /* next aborted client to exit */ |
66 |
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67 |
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68 |
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/* |
69 |
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* make_client - create a new Client struct and set it to initial state. |
70 |
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* |
71 |
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* from == NULL, create local client (a client connected |
72 |
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* to a socket). |
73 |
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* WARNING: This leaves the client in a dangerous |
74 |
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* state where fd == -1, dead flag is not set and |
75 |
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* the client is on the unknown_list; therefore, |
76 |
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* the first thing to do after calling make_client(NULL) |
77 |
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* is setting fd to something reasonable. -adx |
78 |
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* |
79 |
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* from, create remote client (behind a socket |
80 |
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* associated with the client defined by |
81 |
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* 'from'). ('from' is a local client!!). |
82 |
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*/ |
83 |
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struct Client * |
84 |
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make_client(struct Client *from) |
85 |
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{ |
86 |
michael |
4976 |
struct Client *const client_p = mp_pool_get(client_pool); |
87 |
adx |
30 |
|
88 |
michael |
3235 |
if (!from) |
89 |
adx |
30 |
{ |
90 |
michael |
5546 |
client_p->from = client_p; /* 'from' of local client is self! */ |
91 |
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client_p->connection = mp_pool_get(connection_pool); |
92 |
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client_p->connection->since = CurrentTime; |
93 |
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client_p->connection->lasttime = CurrentTime; |
94 |
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client_p->connection->firsttime = CurrentTime; |
95 |
michael |
4589 |
client_p->connection->registration = REG_INIT; |
96 |
adx |
30 |
|
97 |
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/* as good a place as any... */ |
98 |
michael |
4589 |
dlinkAdd(client_p, &client_p->connection->lclient_node, &unknown_list); |
99 |
adx |
30 |
} |
100 |
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else |
101 |
michael |
5546 |
client_p->from = from; |
102 |
adx |
30 |
|
103 |
michael |
1360 |
client_p->idhnext = client_p; |
104 |
michael |
5546 |
client_p->hnext = client_p; |
105 |
michael |
2678 |
SetUnknown(client_p); |
106 |
adx |
30 |
strcpy(client_p->username, "unknown"); |
107 |
michael |
5730 |
strcpy(client_p->account, "*"); |
108 |
adx |
30 |
|
109 |
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return client_p; |
110 |
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} |
111 |
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112 |
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/* |
113 |
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* free_client |
114 |
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* |
115 |
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* inputs - pointer to client |
116 |
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* output - NONE |
117 |
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* side effects - client pointed to has its memory freed |
118 |
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*/ |
119 |
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static void |
120 |
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free_client(struct Client *client_p) |
121 |
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{ |
122 |
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assert(client_p != &me); |
123 |
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assert(client_p->hnext == client_p); |
124 |
michael |
1360 |
assert(client_p->idhnext == client_p); |
125 |
adx |
30 |
assert(client_p->channel.head == NULL); |
126 |
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assert(dlink_list_length(&client_p->channel) == 0); |
127 |
michael |
1360 |
assert(dlink_list_length(&client_p->whowas) == 0); |
128 |
michael |
5591 |
assert(dlink_list_length(&client_p->svstags) == 0); |
129 |
adx |
30 |
|
130 |
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MyFree(client_p->serv); |
131 |
michael |
2229 |
MyFree(client_p->certfp); |
132 |
adx |
30 |
|
133 |
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if (MyConnect(client_p)) |
134 |
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{ |
135 |
michael |
4589 |
assert(client_p->connection->invited.head == NULL); |
136 |
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assert(dlink_list_length(&client_p->connection->invited) == 0); |
137 |
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assert(dlink_list_length(&client_p->connection->watches) == 0); |
138 |
adx |
30 |
assert(IsClosing(client_p) && IsDead(client_p)); |
139 |
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|
140 |
michael |
4589 |
MyFree(client_p->connection->challenge_response); |
141 |
michael |
5546 |
client_p->connection->challenge_response = NULL; |
142 |
michael |
4589 |
MyFree(client_p->connection->challenge_operator); |
143 |
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client_p->connection->challenge_operator = NULL; |
144 |
adx |
30 |
|
145 |
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/* |
146 |
michael |
5588 |
* Clean up extra sockets from listen {} blocks which have been discarded. |
147 |
adx |
30 |
*/ |
148 |
michael |
4589 |
if (client_p->connection->listener) |
149 |
adx |
30 |
{ |
150 |
michael |
4589 |
listener_release(client_p->connection->listener); |
151 |
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client_p->connection->listener = NULL; |
152 |
adx |
30 |
} |
153 |
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154 |
michael |
4589 |
dbuf_clear(&client_p->connection->buf_recvq); |
155 |
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dbuf_clear(&client_p->connection->buf_sendq); |
156 |
adx |
30 |
|
157 |
michael |
4589 |
mp_pool_release(client_p->connection); |
158 |
adx |
30 |
} |
159 |
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|
160 |
michael |
1654 |
mp_pool_release(client_p); |
161 |
adx |
30 |
} |
162 |
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|
163 |
michael |
5559 |
void |
164 |
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client_attach_svstag(struct Client *client_p, unsigned int numeric, |
165 |
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const char *umodes, const char *const tag) |
166 |
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{ |
167 |
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struct ServicesTag *svstag = NULL; |
168 |
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const struct user_modes *tab = NULL; |
169 |
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170 |
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if (numeric >= ERR_LAST_ERR_MSG || *umodes != '+') |
171 |
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return; |
172 |
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173 |
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svstag = MyCalloc(sizeof(*svstag)); |
174 |
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svstag->numeric = numeric; |
175 |
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svstag->tag = xstrdup(tag); |
176 |
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177 |
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for (const char *m = umodes + 1; *m; ++m) |
178 |
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if ((tab = umode_map[(unsigned char)*m])) |
179 |
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svstag->umodes |= tab->flag; |
180 |
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181 |
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if (numeric != RPL_WHOISOPERATOR) |
182 |
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dlinkAddTail(svstag, &svstag->node, &client_p->svstags); |
183 |
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else |
184 |
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dlinkAdd(svstag, &svstag->node, &client_p->svstags); |
185 |
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} |
186 |
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187 |
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void |
188 |
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client_clear_svstags(struct Client *client_p) |
189 |
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{ |
190 |
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dlink_node *node = NULL, *node_next = NULL; |
191 |
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192 |
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DLINK_FOREACH_SAFE(node, node_next, client_p->svstags.head) |
193 |
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{ |
194 |
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struct ServicesTag *svstag = node->data; |
195 |
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196 |
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dlinkDelete(&svstag->node, &client_p->svstags); |
197 |
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MyFree(svstag->tag); |
198 |
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MyFree(svstag); |
199 |
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} |
200 |
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} |
201 |
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202 |
adx |
30 |
/* check_pings_list() |
203 |
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* |
204 |
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* inputs - pointer to list to check |
205 |
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* output - NONE |
206 |
michael |
2345 |
* side effects - |
207 |
adx |
30 |
*/ |
208 |
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static void |
209 |
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check_pings_list(dlink_list *list) |
210 |
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{ |
211 |
michael |
4215 |
char buf[IRCD_BUFSIZE] = ""; |
212 |
michael |
1644 |
int ping = 0; /* ping time value from client */ |
213 |
michael |
4801 |
dlink_node *node = NULL, *node_next = NULL; |
214 |
adx |
30 |
|
215 |
michael |
4801 |
DLINK_FOREACH_SAFE(node, node_next, list->head) |
216 |
adx |
30 |
{ |
217 |
michael |
4801 |
struct Client *client_p = node->data; |
218 |
adx |
30 |
|
219 |
|
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if (IsDead(client_p)) |
220 |
michael |
4215 |
continue; /* Ignore it, its been exited already */ |
221 |
adx |
30 |
|
222 |
michael |
6326 |
if (IsClient(client_p) || IsServer(client_p)) |
223 |
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ping = get_client_ping(&client_p->connection->confs); |
224 |
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else |
225 |
michael |
1644 |
ping = CONNECTTIMEOUT; |
226 |
adx |
30 |
|
227 |
michael |
4589 |
if (ping < CurrentTime - client_p->connection->lasttime) |
228 |
adx |
30 |
{ |
229 |
michael |
6314 |
if (!HasFlag(client_p, FLAGS_PINGSENT)) |
230 |
adx |
30 |
{ |
231 |
michael |
2182 |
/* |
232 |
michael |
4299 |
* If we haven't PINGed the connection and we haven't |
233 |
michael |
2182 |
* heard from it in a while, PING it to make sure |
234 |
|
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* it is still alive. |
235 |
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*/ |
236 |
michael |
6314 |
AddFlag(client_p, FLAGS_PINGSENT); |
237 |
michael |
4589 |
client_p->connection->lasttime = CurrentTime - ping; |
238 |
michael |
2182 |
sendto_one(client_p, "PING :%s", ID_or_name(&me, client_p)); |
239 |
adx |
30 |
} |
240 |
|
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else |
241 |
|
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{ |
242 |
michael |
4589 |
if (CurrentTime - client_p->connection->lasttime >= 2 * ping) |
243 |
adx |
30 |
{ |
244 |
|
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/* |
245 |
|
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* If the client/server hasn't talked to us in 2*ping seconds |
246 |
|
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* and it has a ping time, then close its connection. |
247 |
|
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*/ |
248 |
|
|
if (IsServer(client_p) || IsHandshake(client_p)) |
249 |
michael |
2182 |
{ |
250 |
michael |
6317 |
sendto_realops_flags(UMODE_SERVNOTICE, L_ADMIN, SEND_NOTICE, |
251 |
michael |
2182 |
"No response from %s, closing link", |
252 |
michael |
6426 |
get_client_name(client_p, SHOW_IP)); |
253 |
michael |
6317 |
sendto_realops_flags(UMODE_SERVNOTICE, L_OPER, SEND_NOTICE, |
254 |
michael |
2182 |
"No response from %s, closing link", |
255 |
|
|
get_client_name(client_p, MASK_IP)); |
256 |
|
|
ilog(LOG_TYPE_IRCD, "No response from %s, closing link", |
257 |
michael |
6426 |
get_client_name(client_p, SHOW_IP)); |
258 |
michael |
2182 |
} |
259 |
michael |
650 |
|
260 |
michael |
4215 |
snprintf(buf, sizeof(buf), "Ping timeout: %d seconds", |
261 |
michael |
4589 |
(int)(CurrentTime - client_p->connection->lasttime)); |
262 |
michael |
4215 |
exit_client(client_p, buf); |
263 |
adx |
30 |
} |
264 |
|
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} |
265 |
|
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} |
266 |
|
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} |
267 |
|
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} |
268 |
|
|
|
269 |
|
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/* check_unknowns_list() |
270 |
|
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* |
271 |
|
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* inputs - pointer to list of unknown clients |
272 |
|
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* output - NONE |
273 |
|
|
* side effects - unknown clients get marked for termination after n seconds |
274 |
|
|
*/ |
275 |
|
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static void |
276 |
|
|
check_unknowns_list(void) |
277 |
|
|
{ |
278 |
michael |
4801 |
dlink_node *node = NULL, *node_next = NULL; |
279 |
adx |
30 |
|
280 |
michael |
4801 |
DLINK_FOREACH_SAFE(node, node_next, unknown_list.head) |
281 |
adx |
30 |
{ |
282 |
michael |
4801 |
struct Client *client_p = node->data; |
283 |
adx |
30 |
|
284 |
michael |
650 |
/* |
285 |
|
|
* Check UNKNOWN connections - if they have been in this state |
286 |
adx |
30 |
* for > 30s, close them. |
287 |
|
|
*/ |
288 |
michael |
4589 |
if (IsAuthFinished(client_p) && (CurrentTime - client_p->connection->firsttime) > 30) |
289 |
michael |
3171 |
exit_client(client_p, "Registration timed out"); |
290 |
adx |
30 |
} |
291 |
|
|
} |
292 |
|
|
|
293 |
michael |
4215 |
/* |
294 |
|
|
* check_pings - go through the local client list and check activity |
295 |
|
|
* kill off stuff that should die |
296 |
|
|
* |
297 |
|
|
* inputs - NOT USED (from event) |
298 |
|
|
* output - next time_t when check_pings() should be called again |
299 |
|
|
* side effects - |
300 |
|
|
* |
301 |
|
|
* |
302 |
|
|
* A PING can be sent to clients as necessary. |
303 |
|
|
* |
304 |
|
|
* Client/Server ping outs are handled. |
305 |
|
|
*/ |
306 |
|
|
|
307 |
|
|
/* |
308 |
|
|
* Addon from adrian. We used to call this after nextping seconds, |
309 |
|
|
* however I've changed it to run once a second. This is only for |
310 |
|
|
* PING timeouts, not K/etc-line checks (thanks dianora!). Having it |
311 |
|
|
* run once a second makes life a lot easier - when a new client connects |
312 |
|
|
* and they need a ping in 4 seconds, if nextping was set to 20 seconds |
313 |
|
|
* we end up waiting 20 seconds. This is stupid. :-) |
314 |
|
|
* I will optimise (hah!) check_pings() once I've finished working on |
315 |
|
|
* tidying up other network IO evilnesses. |
316 |
|
|
* -- adrian |
317 |
|
|
*/ |
318 |
|
|
|
319 |
|
|
static void |
320 |
michael |
4438 |
check_pings(void *unused) |
321 |
michael |
4215 |
{ |
322 |
|
|
check_pings_list(&local_client_list); |
323 |
|
|
check_pings_list(&local_server_list); |
324 |
|
|
check_unknowns_list(); |
325 |
|
|
} |
326 |
|
|
|
327 |
adx |
30 |
/* check_conf_klines() |
328 |
|
|
* |
329 |
|
|
* inputs - NONE |
330 |
|
|
* output - NONE |
331 |
|
|
* side effects - Check all connections for a pending kline against the |
332 |
|
|
* client, exit the client if a kline matches. |
333 |
|
|
*/ |
334 |
michael |
2345 |
void |
335 |
adx |
30 |
check_conf_klines(void) |
336 |
michael |
2345 |
{ |
337 |
michael |
1632 |
struct MaskItem *conf = NULL; |
338 |
michael |
4801 |
dlink_node *node = NULL, *node_next = NULL; |
339 |
adx |
30 |
|
340 |
michael |
4801 |
DLINK_FOREACH_SAFE(node, node_next, local_client_list.head) |
341 |
adx |
30 |
{ |
342 |
michael |
4801 |
struct Client *client_p = node->data; |
343 |
adx |
30 |
|
344 |
michael |
4824 |
/* If a client is already being exited */ |
345 |
michael |
4726 |
if (IsDead(client_p)) |
346 |
adx |
30 |
continue; |
347 |
|
|
|
348 |
michael |
4589 |
if ((conf = find_conf_by_address(NULL, &client_p->connection->ip, CONF_DLINE, |
349 |
|
|
client_p->connection->aftype, NULL, NULL, 1))) |
350 |
adx |
30 |
{ |
351 |
michael |
2813 |
conf_try_ban(client_p, conf); |
352 |
michael |
5733 |
continue; /* and go examine next Client */ |
353 |
adx |
30 |
} |
354 |
|
|
|
355 |
michael |
4589 |
if ((conf = find_conf_by_address(client_p->host, &client_p->connection->ip, |
356 |
|
|
CONF_KLINE, client_p->connection->aftype, |
357 |
michael |
2739 |
client_p->username, NULL, 1))) |
358 |
adx |
30 |
{ |
359 |
michael |
2813 |
conf_try_ban(client_p, conf); |
360 |
michael |
5733 |
continue; /* and go examine next Client */ |
361 |
adx |
30 |
} |
362 |
|
|
|
363 |
michael |
5751 |
if ((conf = find_matching_name_conf(CONF_XLINE, client_p->info, |
364 |
michael |
1921 |
NULL, NULL, 0))) |
365 |
adx |
30 |
{ |
366 |
michael |
2813 |
conf_try_ban(client_p, conf); |
367 |
michael |
5733 |
continue; /* and go examine next Client */ |
368 |
adx |
30 |
} |
369 |
|
|
} |
370 |
|
|
|
371 |
michael |
5733 |
/* Also check the unknowns list for new dlines */ |
372 |
michael |
4801 |
DLINK_FOREACH_SAFE(node, node_next, unknown_list.head) |
373 |
adx |
30 |
{ |
374 |
michael |
4801 |
struct Client *client_p = node->data; |
375 |
adx |
30 |
|
376 |
michael |
4589 |
if ((conf = find_conf_by_address(NULL, &client_p->connection->ip, CONF_DLINE, |
377 |
|
|
client_p->connection->aftype, NULL, NULL, 1))) |
378 |
adx |
30 |
{ |
379 |
michael |
3930 |
conf_try_ban(client_p, conf); |
380 |
michael |
5733 |
continue; /* and go examine next Client */ |
381 |
adx |
30 |
} |
382 |
|
|
} |
383 |
|
|
} |
384 |
|
|
|
385 |
|
|
/* |
386 |
michael |
2813 |
* conf_try_ban |
387 |
adx |
30 |
* |
388 |
|
|
* inputs - pointer to client to ban |
389 |
michael |
1632 |
* - pointer to MaskItem |
390 |
adx |
30 |
* output - NONE |
391 |
|
|
* side effects - given client_p is banned |
392 |
|
|
*/ |
393 |
michael |
2811 |
void |
394 |
michael |
2813 |
conf_try_ban(struct Client *client_p, struct MaskItem *conf) |
395 |
adx |
30 |
{ |
396 |
michael |
5978 |
char ban_type = '\0'; |
397 |
adx |
30 |
|
398 |
|
|
switch (conf->type) |
399 |
|
|
{ |
400 |
michael |
1632 |
case CONF_KLINE: |
401 |
michael |
6314 |
if (HasFlag(client_p, FLAGS_EXEMPTKLINE)) |
402 |
michael |
2811 |
{ |
403 |
michael |
6317 |
sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE, |
404 |
michael |
2811 |
"KLINE over-ruled for %s, client is kline_exempt", |
405 |
|
|
get_client_name(client_p, HIDE_IP)); |
406 |
|
|
return; |
407 |
|
|
} |
408 |
|
|
|
409 |
michael |
5978 |
ban_type = 'K'; |
410 |
adx |
30 |
break; |
411 |
michael |
1632 |
case CONF_DLINE: |
412 |
michael |
4589 |
if (find_conf_by_address(NULL, &client_p->connection->ip, CONF_EXEMPT, |
413 |
|
|
client_p->connection->aftype, NULL, NULL, 1)) |
414 |
michael |
3930 |
return; |
415 |
michael |
5978 |
ban_type = 'D'; |
416 |
adx |
30 |
break; |
417 |
michael |
1632 |
case CONF_XLINE: |
418 |
michael |
6314 |
if (HasFlag(client_p, FLAGS_EXEMPTXLINE)) |
419 |
michael |
5986 |
{ |
420 |
michael |
6317 |
sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE, |
421 |
michael |
5986 |
"XLINE over-ruled for %s, client is xline_exempt", |
422 |
|
|
get_client_name(client_p, HIDE_IP)); |
423 |
|
|
return; |
424 |
|
|
} |
425 |
michael |
6314 |
|
426 |
michael |
5978 |
ban_type = 'X'; |
427 |
michael |
1632 |
++conf->count; |
428 |
adx |
30 |
break; |
429 |
|
|
default: |
430 |
|
|
assert(0); |
431 |
|
|
break; |
432 |
|
|
} |
433 |
|
|
|
434 |
michael |
6317 |
sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE, "%c-line active for %s", |
435 |
michael |
5978 |
ban_type, get_client_name(client_p, HIDE_IP)); |
436 |
adx |
30 |
|
437 |
|
|
if (IsClient(client_p)) |
438 |
michael |
5978 |
sendto_one_numeric(client_p, &me, ERR_YOUREBANNEDCREEP, conf->reason); |
439 |
adx |
30 |
|
440 |
michael |
5978 |
exit_client(client_p, conf->reason); |
441 |
adx |
30 |
} |
442 |
|
|
|
443 |
|
|
/* update_client_exit_stats() |
444 |
|
|
* |
445 |
|
|
* input - pointer to client |
446 |
|
|
* output - NONE |
447 |
michael |
2345 |
* side effects - |
448 |
adx |
30 |
*/ |
449 |
|
|
static void |
450 |
|
|
update_client_exit_stats(struct Client *client_p) |
451 |
|
|
{ |
452 |
michael |
1143 |
if (IsClient(client_p)) |
453 |
adx |
30 |
{ |
454 |
michael |
1013 |
assert(Count.total > 0); |
455 |
michael |
4998 |
|
456 |
adx |
30 |
--Count.total; |
457 |
michael |
1219 |
if (HasUMode(client_p, UMODE_OPER)) |
458 |
adx |
30 |
--Count.oper; |
459 |
michael |
1219 |
if (HasUMode(client_p, UMODE_INVISIBLE)) |
460 |
adx |
30 |
--Count.invisi; |
461 |
|
|
} |
462 |
michael |
1143 |
else if (IsServer(client_p)) |
463 |
michael |
1618 |
sendto_realops_flags(UMODE_EXTERNAL, L_ALL, SEND_NOTICE, |
464 |
|
|
"Server %s split from %s", |
465 |
michael |
1143 |
client_p->name, client_p->servptr->name); |
466 |
adx |
30 |
} |
467 |
|
|
|
468 |
|
|
/* find_person() |
469 |
|
|
* |
470 |
|
|
* inputs - pointer to name |
471 |
|
|
* output - return client pointer |
472 |
|
|
* side effects - find person by (nick)name |
473 |
|
|
*/ |
474 |
|
|
struct Client * |
475 |
michael |
3170 |
find_person(const struct Client *const source_p, const char *name) |
476 |
adx |
30 |
{ |
477 |
michael |
2475 |
struct Client *target_p = NULL; |
478 |
adx |
30 |
|
479 |
|
|
if (IsDigit(*name)) |
480 |
|
|
{ |
481 |
michael |
3207 |
if (IsServer(source_p->from)) |
482 |
michael |
2586 |
target_p = hash_find_id(name); |
483 |
adx |
30 |
} |
484 |
|
|
else |
485 |
michael |
2475 |
target_p = hash_find_client(name); |
486 |
adx |
30 |
|
487 |
michael |
2475 |
return (target_p && IsClient(target_p)) ? target_p : NULL; |
488 |
adx |
30 |
} |
489 |
|
|
|
490 |
|
|
/* |
491 |
michael |
2475 |
* find_chasing - find the client structure for a nick name (name) |
492 |
michael |
2345 |
* using history mechanism if necessary. If the client is not found, |
493 |
michael |
3192 |
* an error message (NO SUCH NICK) is generated. |
494 |
adx |
30 |
*/ |
495 |
|
|
struct Client * |
496 |
michael |
3192 |
find_chasing(struct Client *source_p, const char *name) |
497 |
adx |
30 |
{ |
498 |
michael |
4883 |
struct Client *target_p = find_person(source_p, name); |
499 |
adx |
30 |
|
500 |
michael |
4883 |
if (target_p) |
501 |
|
|
return target_p; |
502 |
adx |
30 |
|
503 |
michael |
2475 |
if (IsDigit(*name)) |
504 |
michael |
1169 |
return NULL; |
505 |
adx |
30 |
|
506 |
michael |
4883 |
target_p = whowas_get_history(name, (time_t)ConfigGeneral.kill_chase_time_limit); |
507 |
|
|
|
508 |
|
|
if (!target_p) |
509 |
adx |
30 |
{ |
510 |
michael |
3109 |
sendto_one_numeric(source_p, &me, ERR_NOSUCHNICK, name); |
511 |
michael |
1169 |
return NULL; |
512 |
adx |
30 |
} |
513 |
|
|
|
514 |
michael |
4883 |
return target_p; |
515 |
adx |
30 |
} |
516 |
|
|
|
517 |
|
|
/* |
518 |
|
|
* get_client_name - Return the name of the client |
519 |
|
|
* for various tracking and |
520 |
|
|
* admin purposes. The main purpose of this function is to |
521 |
|
|
* return the "socket host" name of the client, if that |
522 |
|
|
* differs from the advertised name (other than case). |
523 |
|
|
* But, this can be used to any client structure. |
524 |
|
|
* |
525 |
|
|
* NOTE 1: |
526 |
michael |
4215 |
* Watch out the allocation of "buf", if either source_p->name |
527 |
adx |
30 |
* or source_p->sockhost gets changed into pointers instead of |
528 |
|
|
* directly allocated within the structure... |
529 |
|
|
* |
530 |
|
|
* NOTE 2: |
531 |
|
|
* Function return either a pointer to the structure (source_p) or |
532 |
michael |
4215 |
* to internal buffer (buf). *NEVER* use the returned pointer |
533 |
adx |
30 |
* to modify what it points!!! |
534 |
|
|
*/ |
535 |
|
|
const char * |
536 |
michael |
3235 |
get_client_name(const struct Client *client_p, enum addr_mask_type type) |
537 |
adx |
30 |
{ |
538 |
michael |
4215 |
static char buf[HOSTLEN * 2 + USERLEN + 5]; |
539 |
adx |
30 |
|
540 |
michael |
3235 |
if (!MyConnect(client_p)) |
541 |
|
|
return client_p->name; |
542 |
adx |
30 |
|
543 |
michael |
3235 |
if (IsServer(client_p) || IsConnecting(client_p) || IsHandshake(client_p)) |
544 |
michael |
1340 |
{ |
545 |
michael |
3235 |
if (!irccmp(client_p->name, client_p->host)) |
546 |
|
|
return client_p->name; |
547 |
michael |
1340 |
else if (ConfigServerHide.hide_server_ips) |
548 |
michael |
1328 |
type = MASK_IP; |
549 |
michael |
1340 |
} |
550 |
adx |
30 |
|
551 |
|
|
/* And finally, let's get the host information, ip or name */ |
552 |
michael |
1328 |
switch (type) |
553 |
adx |
30 |
{ |
554 |
|
|
case SHOW_IP: |
555 |
michael |
4215 |
snprintf(buf, sizeof(buf), "%s[%s@%s]", |
556 |
michael |
3235 |
client_p->name, |
557 |
|
|
client_p->username, client_p->sockhost); |
558 |
michael |
1339 |
break; |
559 |
adx |
30 |
case MASK_IP: |
560 |
michael |
4589 |
if (client_p->connection->aftype == AF_INET) |
561 |
michael |
4215 |
snprintf(buf, sizeof(buf), "%s[%s@255.255.255.255]", |
562 |
michael |
3235 |
client_p->name, client_p->username); |
563 |
michael |
1339 |
else |
564 |
michael |
4215 |
snprintf(buf, sizeof(buf), "%s[%s@ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff]", |
565 |
michael |
3235 |
client_p->name, client_p->username); |
566 |
adx |
30 |
break; |
567 |
michael |
6309 |
default: /* HIDE_IP */ |
568 |
michael |
4215 |
snprintf(buf, sizeof(buf), "%s[%s@%s]", |
569 |
michael |
3235 |
client_p->name, |
570 |
|
|
client_p->username, client_p->host); |
571 |
adx |
30 |
} |
572 |
|
|
|
573 |
michael |
4215 |
return buf; |
574 |
adx |
30 |
} |
575 |
|
|
|
576 |
|
|
void |
577 |
|
|
free_exited_clients(void) |
578 |
|
|
{ |
579 |
michael |
4801 |
dlink_node *node = NULL, *node_next = NULL; |
580 |
michael |
2345 |
|
581 |
michael |
4801 |
DLINK_FOREACH_SAFE(node, node_next, dead_list.head) |
582 |
adx |
30 |
{ |
583 |
michael |
4801 |
free_client(node->data); |
584 |
|
|
dlinkDelete(node, &dead_list); |
585 |
|
|
free_dlink_node(node); |
586 |
adx |
30 |
} |
587 |
|
|
} |
588 |
|
|
|
589 |
|
|
/* |
590 |
|
|
* Exit one client, local or remote. Assuming all dependents have |
591 |
|
|
* been already removed, and socket closed for local client. |
592 |
|
|
* |
593 |
|
|
* The only messages generated are QUITs on channels. |
594 |
|
|
*/ |
595 |
|
|
static void |
596 |
michael |
4215 |
exit_one_client(struct Client *source_p, const char *comment) |
597 |
adx |
30 |
{ |
598 |
michael |
4801 |
dlink_node *node = NULL, *node_next = NULL; |
599 |
adx |
30 |
|
600 |
|
|
assert(!IsMe(source_p)); |
601 |
michael |
4215 |
assert(source_p != &me); |
602 |
adx |
30 |
|
603 |
michael |
1118 |
if (IsClient(source_p)) |
604 |
adx |
30 |
{ |
605 |
michael |
3202 |
dlinkDelete(&source_p->lnode, &source_p->servptr->serv->client_list); |
606 |
michael |
4188 |
dlinkDelete(&source_p->node, &global_client_list); |
607 |
adx |
30 |
|
608 |
michael |
1118 |
/* |
609 |
|
|
* If a person is on a channel, send a QUIT notice |
610 |
|
|
* to every client (person) on the same channel (so |
611 |
|
|
* that the client can show the "**signoff" message). |
612 |
|
|
* (Note: The notice is to the local clients *only*) |
613 |
|
|
*/ |
614 |
michael |
1734 |
sendto_common_channels_local(source_p, 0, 0, ":%s!%s@%s QUIT :%s", |
615 |
adx |
30 |
source_p->name, source_p->username, |
616 |
michael |
4215 |
source_p->host, comment); |
617 |
michael |
4883 |
|
618 |
michael |
4801 |
DLINK_FOREACH_SAFE(node, node_next, source_p->channel.head) |
619 |
|
|
remove_user_from_channel(node->data); |
620 |
adx |
30 |
|
621 |
michael |
2300 |
whowas_add_history(source_p, 0); |
622 |
|
|
whowas_off_history(source_p); |
623 |
adx |
30 |
|
624 |
michael |
876 |
watch_check_hash(source_p, RPL_LOGOFF); |
625 |
|
|
|
626 |
michael |
889 |
if (MyConnect(source_p)) |
627 |
adx |
30 |
{ |
628 |
michael |
5851 |
clear_invites_client(source_p); |
629 |
michael |
887 |
del_all_accepts(source_p); |
630 |
michael |
317 |
} |
631 |
adx |
30 |
} |
632 |
michael |
1118 |
else if (IsServer(source_p)) |
633 |
|
|
{ |
634 |
|
|
dlinkDelete(&source_p->lnode, &source_p->servptr->serv->server_list); |
635 |
michael |
4188 |
dlinkDelete(&source_p->node, &global_client_list); |
636 |
adx |
30 |
|
637 |
michael |
4801 |
if ((node = dlinkFindDelete(&global_server_list, source_p))) |
638 |
|
|
free_dlink_node(node); |
639 |
michael |
1118 |
} |
640 |
|
|
|
641 |
adx |
30 |
/* Remove source_p from the client lists */ |
642 |
michael |
3187 |
if (source_p->id[0]) |
643 |
adx |
30 |
hash_del_id(source_p); |
644 |
michael |
4883 |
|
645 |
adx |
30 |
if (source_p->name[0]) |
646 |
|
|
hash_del_client(source_p); |
647 |
|
|
|
648 |
michael |
6314 |
if (HasFlag(source_p, FLAGS_USERHOST)) |
649 |
michael |
6442 |
userhost_del(source_p->username, source_p->host, !MyConnect(source_p)); |
650 |
adx |
30 |
|
651 |
|
|
update_client_exit_stats(source_p); |
652 |
|
|
|
653 |
|
|
/* Check to see if the client isn't already on the dead list */ |
654 |
|
|
assert(dlinkFind(&dead_list, source_p) == NULL); |
655 |
|
|
|
656 |
|
|
/* add to dead client dlist */ |
657 |
|
|
SetDead(source_p); |
658 |
|
|
dlinkAdd(source_p, make_dlink_node(), &dead_list); |
659 |
|
|
} |
660 |
|
|
|
661 |
michael |
2345 |
/* |
662 |
adx |
30 |
* Remove all clients that depend on source_p; assumes all (S)QUITs have |
663 |
michael |
2345 |
* already been sent. we make sure to exit a server's dependent clients |
664 |
|
|
* and servers before the server itself; exit_one_client takes care of |
665 |
adx |
30 |
* actually removing things off llists. tweaked from +CSr31 -orabidoo |
666 |
|
|
*/ |
667 |
|
|
static void |
668 |
michael |
4215 |
recurse_remove_clients(struct Client *source_p, const char *comment) |
669 |
adx |
30 |
{ |
670 |
michael |
4801 |
dlink_node *node = NULL, *node_next = NULL; |
671 |
adx |
30 |
|
672 |
michael |
4801 |
DLINK_FOREACH_SAFE(node, node_next, source_p->serv->client_list.head) |
673 |
|
|
exit_one_client(node->data, comment); |
674 |
adx |
30 |
|
675 |
michael |
4801 |
DLINK_FOREACH_SAFE(node, node_next, source_p->serv->server_list.head) |
676 |
adx |
30 |
{ |
677 |
michael |
4801 |
recurse_remove_clients(node->data, comment); |
678 |
|
|
exit_one_client(node->data, comment); |
679 |
adx |
30 |
} |
680 |
|
|
} |
681 |
|
|
|
682 |
|
|
/* |
683 |
|
|
* exit_client - exit a client of any type. Generally, you can use |
684 |
|
|
* this on any struct Client, regardless of its state. |
685 |
|
|
* |
686 |
|
|
* Note, you shouldn't exit remote _users_ without first doing |
687 |
michael |
1219 |
* AddFlag(x, FLAGS_KILLED) and propagating a kill or similar message. |
688 |
michael |
3171 |
* |
689 |
michael |
1219 |
* However, it is perfectly correct to call exit_client to force a _server_ |
690 |
adx |
30 |
* quit (either local or remote one). |
691 |
|
|
* |
692 |
michael |
3171 |
* |
693 |
adx |
30 |
* inputs: - a client pointer that is going to be exited |
694 |
|
|
* output: none |
695 |
|
|
* side effects: the client is delinked from all lists, disconnected, |
696 |
|
|
* and the rest of IRC network is notified of the exit. |
697 |
|
|
* Client memory is scheduled to be freed |
698 |
|
|
*/ |
699 |
|
|
void |
700 |
michael |
3171 |
exit_client(struct Client *source_p, const char *comment) |
701 |
adx |
30 |
{ |
702 |
michael |
4801 |
dlink_node *node = NULL; |
703 |
adx |
30 |
|
704 |
michael |
4215 |
assert(!IsMe(source_p)); |
705 |
|
|
assert(source_p != &me); |
706 |
|
|
|
707 |
adx |
30 |
if (MyConnect(source_p)) |
708 |
|
|
{ |
709 |
|
|
/* DO NOT REMOVE. exit_client can be called twice after a failed |
710 |
|
|
* read/write. |
711 |
|
|
*/ |
712 |
|
|
if (IsClosing(source_p)) |
713 |
|
|
return; |
714 |
|
|
|
715 |
|
|
SetClosing(source_p); |
716 |
|
|
|
717 |
michael |
4401 |
if (HasFlag(source_p, FLAGS_IPHASH)) |
718 |
|
|
{ |
719 |
|
|
DelFlag(source_p, FLAGS_IPHASH); |
720 |
michael |
4589 |
ipcache_remove_address(&source_p->connection->ip); |
721 |
michael |
4401 |
} |
722 |
adx |
30 |
|
723 |
michael |
4589 |
delete_auth(&source_p->connection->auth); |
724 |
adx |
30 |
|
725 |
michael |
6326 |
if (IsClient(source_p)) |
726 |
adx |
30 |
{ |
727 |
michael |
4589 |
time_t on_for = CurrentTime - source_p->connection->firsttime; |
728 |
michael |
4883 |
|
729 |
michael |
1013 |
assert(Count.local > 0); |
730 |
michael |
4998 |
|
731 |
michael |
4883 |
--Count.local; |
732 |
adx |
30 |
|
733 |
michael |
1219 |
if (HasUMode(source_p, UMODE_OPER)) |
734 |
michael |
4801 |
if ((node = dlinkFindDelete(&oper_list, source_p))) |
735 |
|
|
free_dlink_node(node); |
736 |
adx |
30 |
|
737 |
michael |
1126 |
assert(dlinkFind(&local_client_list, source_p)); |
738 |
michael |
4589 |
dlinkDelete(&source_p->connection->lclient_node, &local_client_list); |
739 |
michael |
1126 |
|
740 |
michael |
4589 |
if (source_p->connection->list_task) |
741 |
michael |
3289 |
free_list_task(source_p); |
742 |
adx |
30 |
|
743 |
michael |
876 |
watch_del_watch_list(source_p); |
744 |
michael |
5559 |
client_clear_svstags(source_p); |
745 |
|
|
|
746 |
michael |
1618 |
sendto_realops_flags(UMODE_CCONN, L_ALL, SEND_NOTICE, |
747 |
|
|
"Client exiting: %s (%s@%s) [%s] [%s]", |
748 |
adx |
30 |
source_p->name, source_p->username, source_p->host, comment, |
749 |
michael |
4968 |
source_p->sockhost); |
750 |
michael |
4883 |
|
751 |
michael |
1247 |
ilog(LOG_TYPE_USER, "%s (%3u:%02u:%02u): %s!%s@%s %llu/%llu", |
752 |
michael |
4589 |
myctime(source_p->connection->firsttime), (unsigned int)(on_for / 3600), |
753 |
michael |
1247 |
(unsigned int)((on_for % 3600)/60), (unsigned int)(on_for % 60), |
754 |
|
|
source_p->name, source_p->username, source_p->host, |
755 |
michael |
4589 |
source_p->connection->send.bytes>>10, |
756 |
|
|
source_p->connection->recv.bytes>>10); |
757 |
adx |
30 |
} |
758 |
michael |
1571 |
else if (IsServer(source_p)) |
759 |
adx |
30 |
{ |
760 |
michael |
1571 |
assert(Count.myserver > 0); |
761 |
michael |
4998 |
|
762 |
michael |
1571 |
--Count.myserver; |
763 |
adx |
30 |
|
764 |
michael |
4212 |
assert(dlinkFind(&local_server_list, source_p)); |
765 |
michael |
4589 |
dlinkDelete(&source_p->connection->lclient_node, &local_server_list); |
766 |
adx |
30 |
} |
767 |
michael |
6326 |
else |
768 |
|
|
{ |
769 |
|
|
assert(dlinkFind(&unknown_list, source_p)); |
770 |
|
|
dlinkDelete(&source_p->connection->lclient_node, &unknown_list); |
771 |
|
|
} |
772 |
adx |
30 |
|
773 |
|
|
if (!IsDead(source_p)) |
774 |
|
|
{ |
775 |
|
|
if (IsServer(source_p)) |
776 |
|
|
{ |
777 |
michael |
3171 |
if (!HasFlag(source_p, FLAGS_SQUIT)) |
778 |
|
|
{ |
779 |
|
|
/* for them, we are exiting the network */ |
780 |
|
|
sendto_one(source_p, ":%s SQUIT %s :%s", |
781 |
michael |
3186 |
me.id, me.id, comment); |
782 |
michael |
3171 |
} |
783 |
adx |
30 |
} |
784 |
|
|
|
785 |
|
|
sendto_one(source_p, "ERROR :Closing Link: %s (%s)", |
786 |
|
|
source_p->host, comment); |
787 |
|
|
} |
788 |
|
|
|
789 |
|
|
close_connection(source_p); |
790 |
|
|
} |
791 |
michael |
1991 |
else if (IsClient(source_p) && HasFlag(source_p->servptr, FLAGS_EOB)) |
792 |
michael |
1976 |
sendto_realops_flags(UMODE_FARCONNECT, L_ALL, SEND_NOTICE, |
793 |
|
|
"Client exiting at %s: %s (%s@%s) [%s]", |
794 |
|
|
source_p->servptr->name, source_p->name, |
795 |
|
|
source_p->username, source_p->host, comment); |
796 |
adx |
30 |
|
797 |
|
|
if (IsServer(source_p)) |
798 |
|
|
{ |
799 |
michael |
3171 |
char splitstr[HOSTLEN + HOSTLEN + 2] = ""; |
800 |
adx |
30 |
|
801 |
michael |
5591 |
assert(source_p->serv); |
802 |
|
|
assert(source_p->servptr); |
803 |
adx |
30 |
|
804 |
|
|
if (ConfigServerHide.hide_servers) |
805 |
michael |
887 |
/* |
806 |
michael |
2345 |
* Set netsplit message to "*.net *.split" to still show |
807 |
adx |
30 |
* that its a split, but hide the servers splitting |
808 |
|
|
*/ |
809 |
michael |
3171 |
strlcpy(splitstr, "*.net *.split", sizeof(splitstr)); |
810 |
adx |
30 |
else |
811 |
|
|
snprintf(splitstr, sizeof(splitstr), "%s %s", |
812 |
|
|
source_p->servptr->name, source_p->name); |
813 |
|
|
|
814 |
michael |
4212 |
/* Send SQUIT for source_p in every direction. source_p is already off of local_server_list here */ |
815 |
michael |
3171 |
if (!HasFlag(source_p, FLAGS_SQUIT)) |
816 |
michael |
4963 |
sendto_server(NULL, 0, 0, "SQUIT %s :%s", source_p->id, comment); |
817 |
adx |
30 |
|
818 |
michael |
3171 |
/* Now exit the clients internally */ |
819 |
|
|
recurse_remove_clients(source_p, splitstr); |
820 |
|
|
|
821 |
michael |
3247 |
if (MyConnect(source_p)) |
822 |
adx |
30 |
{ |
823 |
michael |
4589 |
int connected = CurrentTime - source_p->connection->firsttime; |
824 |
michael |
6317 |
sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE, |
825 |
michael |
4574 |
"%s was connected for %d day%s, %2d:%02d:%02d. %llu/%llu sendK/recvK.", |
826 |
|
|
source_p->name, connected/86400, (connected/86400 == 1) ? "" : "s", |
827 |
|
|
(connected % 86400) / 3600, (connected % 3600) / 60, connected % 60, |
828 |
michael |
4589 |
source_p->connection->send.bytes >> 10, |
829 |
|
|
source_p->connection->recv.bytes >> 10); |
830 |
michael |
4574 |
ilog(LOG_TYPE_IRCD, "%s was connected for %d day%s, %2d:%02d:%02d. %llu/%llu sendK/recvK.", |
831 |
|
|
source_p->name, connected/86400, (connected/86400 == 1) ? "" : "s", |
832 |
michael |
5588 |
(connected % 86400) / 3600, (connected % 3600) / 60, connected % 60, |
833 |
|
|
source_p->connection->send.bytes >> 10, |
834 |
|
|
source_p->connection->recv.bytes >> 10); |
835 |
adx |
30 |
} |
836 |
|
|
} |
837 |
michael |
1219 |
else if (IsClient(source_p) && !HasFlag(source_p, FLAGS_KILLED)) |
838 |
michael |
4963 |
sendto_server(source_p->from, 0, 0, ":%s QUIT :%s", |
839 |
michael |
3186 |
source_p->id, comment); |
840 |
adx |
30 |
|
841 |
|
|
/* The client *better* be off all of the lists */ |
842 |
|
|
assert(dlinkFind(&unknown_list, source_p) == NULL); |
843 |
|
|
assert(dlinkFind(&local_client_list, source_p) == NULL); |
844 |
michael |
4212 |
assert(dlinkFind(&local_server_list, source_p) == NULL); |
845 |
adx |
30 |
assert(dlinkFind(&oper_list, source_p) == NULL); |
846 |
|
|
|
847 |
|
|
exit_one_client(source_p, comment); |
848 |
|
|
} |
849 |
|
|
|
850 |
|
|
/* |
851 |
|
|
* dead_link_on_write - report a write error if not already dead, |
852 |
|
|
* mark it as dead then exit it |
853 |
|
|
*/ |
854 |
|
|
void |
855 |
|
|
dead_link_on_write(struct Client *client_p, int ierrno) |
856 |
|
|
{ |
857 |
michael |
4801 |
dlink_node *node; |
858 |
adx |
30 |
|
859 |
|
|
if (IsDefunct(client_p)) |
860 |
|
|
return; |
861 |
|
|
|
862 |
michael |
4589 |
dbuf_clear(&client_p->connection->buf_recvq); |
863 |
|
|
dbuf_clear(&client_p->connection->buf_sendq); |
864 |
adx |
30 |
|
865 |
|
|
assert(dlinkFind(&abort_list, client_p) == NULL); |
866 |
michael |
4801 |
node = make_dlink_node(); |
867 |
adx |
30 |
/* don't let exit_aborted_clients() finish yet */ |
868 |
michael |
4801 |
dlinkAddTail(client_p, node, &abort_list); |
869 |
adx |
30 |
|
870 |
|
|
if (eac_next == NULL) |
871 |
michael |
4801 |
eac_next = node; |
872 |
adx |
30 |
|
873 |
|
|
SetDead(client_p); /* You are dead my friend */ |
874 |
|
|
} |
875 |
|
|
|
876 |
|
|
/* |
877 |
|
|
* dead_link_on_read - report a read error if not already dead, |
878 |
|
|
* mark it as dead then exit it |
879 |
|
|
*/ |
880 |
|
|
void |
881 |
|
|
dead_link_on_read(struct Client *client_p, int error) |
882 |
|
|
{ |
883 |
michael |
2691 |
char errmsg[IRCD_BUFSIZE]; |
884 |
adx |
30 |
int current_error; |
885 |
|
|
|
886 |
|
|
if (IsDefunct(client_p)) |
887 |
|
|
return; |
888 |
|
|
|
889 |
michael |
4589 |
dbuf_clear(&client_p->connection->buf_recvq); |
890 |
|
|
dbuf_clear(&client_p->connection->buf_sendq); |
891 |
adx |
30 |
|
892 |
michael |
4589 |
current_error = get_sockerr(client_p->connection->fd.fd); |
893 |
adx |
30 |
|
894 |
|
|
if (IsServer(client_p) || IsHandshake(client_p)) |
895 |
|
|
{ |
896 |
michael |
4589 |
int connected = CurrentTime - client_p->connection->firsttime; |
897 |
michael |
2345 |
|
898 |
adx |
30 |
if (error == 0) |
899 |
|
|
{ |
900 |
|
|
/* Admins get the real IP */ |
901 |
michael |
6317 |
sendto_realops_flags(UMODE_SERVNOTICE, L_ADMIN, SEND_NOTICE, |
902 |
michael |
2182 |
"Server %s closed the connection", |
903 |
|
|
get_client_name(client_p, SHOW_IP)); |
904 |
adx |
30 |
|
905 |
|
|
/* Opers get a masked IP */ |
906 |
michael |
6317 |
sendto_realops_flags(UMODE_SERVNOTICE, L_OPER, SEND_NOTICE, |
907 |
michael |
2182 |
"Server %s closed the connection", |
908 |
|
|
get_client_name(client_p, MASK_IP)); |
909 |
adx |
30 |
|
910 |
michael |
1247 |
ilog(LOG_TYPE_IRCD, "Server %s closed the connection", |
911 |
michael |
2182 |
get_client_name(client_p, SHOW_IP)); |
912 |
adx |
30 |
} |
913 |
|
|
else |
914 |
|
|
{ |
915 |
michael |
617 |
report_error(L_ADMIN, "Lost connection to %s: %s", |
916 |
michael |
2182 |
get_client_name(client_p, SHOW_IP), current_error); |
917 |
michael |
617 |
report_error(L_OPER, "Lost connection to %s: %s", |
918 |
michael |
2182 |
get_client_name(client_p, MASK_IP), current_error); |
919 |
adx |
30 |
} |
920 |
|
|
|
921 |
michael |
6317 |
sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE, |
922 |
michael |
4574 |
"%s was connected for %d day%s, %2d:%02d:%02d", |
923 |
michael |
2182 |
client_p->name, connected/86400, |
924 |
|
|
(connected/86400 == 1) ? "" : "s", |
925 |
|
|
(connected % 86400) / 3600, (connected % 3600) / 60, |
926 |
|
|
connected % 60); |
927 |
adx |
30 |
} |
928 |
|
|
|
929 |
|
|
if (error == 0) |
930 |
|
|
strlcpy(errmsg, "Remote host closed the connection", |
931 |
|
|
sizeof(errmsg)); |
932 |
|
|
else |
933 |
michael |
1124 |
snprintf(errmsg, sizeof(errmsg), "Read error: %s", |
934 |
|
|
strerror(current_error)); |
935 |
adx |
30 |
|
936 |
michael |
3171 |
exit_client(client_p, errmsg); |
937 |
adx |
30 |
} |
938 |
|
|
|
939 |
|
|
void |
940 |
|
|
exit_aborted_clients(void) |
941 |
|
|
{ |
942 |
|
|
dlink_node *ptr; |
943 |
|
|
struct Client *target_p; |
944 |
|
|
const char *notice; |
945 |
|
|
|
946 |
|
|
DLINK_FOREACH_SAFE(ptr, eac_next, abort_list.head) |
947 |
|
|
{ |
948 |
|
|
target_p = ptr->data; |
949 |
|
|
eac_next = ptr->next; |
950 |
|
|
|
951 |
|
|
if (target_p == NULL) |
952 |
|
|
{ |
953 |
michael |
6317 |
sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE, |
954 |
adx |
30 |
"Warning: null client on abort_list!"); |
955 |
|
|
dlinkDelete(ptr, &abort_list); |
956 |
|
|
free_dlink_node(ptr); |
957 |
|
|
continue; |
958 |
|
|
} |
959 |
|
|
|
960 |
|
|
dlinkDelete(ptr, &abort_list); |
961 |
|
|
|
962 |
michael |
6314 |
if (HasFlag(target_p, FLAGS_SENDQEX)) |
963 |
adx |
30 |
notice = "Max SendQ exceeded"; |
964 |
|
|
else |
965 |
|
|
notice = "Write error: connection closed"; |
966 |
|
|
|
967 |
michael |
3171 |
exit_client(target_p, notice); |
968 |
adx |
30 |
free_dlink_node(ptr); |
969 |
|
|
} |
970 |
|
|
} |
971 |
|
|
|
972 |
|
|
/* |
973 |
|
|
* accept processing, this adds a form of "caller ID" to ircd |
974 |
michael |
887 |
* |
975 |
adx |
30 |
* If a client puts themselves into "caller ID only" mode, |
976 |
michael |
887 |
* only clients that match a client pointer they have put on |
977 |
adx |
30 |
* the accept list will be allowed to message them. |
978 |
|
|
* |
979 |
michael |
887 |
* Diane Bruce, "Dianora" db@db.net |
980 |
adx |
30 |
*/ |
981 |
|
|
|
982 |
michael |
887 |
void |
983 |
michael |
4974 |
del_accept(struct split_nuh_item *accept_p, struct Client *client_p) |
984 |
adx |
30 |
{ |
985 |
michael |
4974 |
dlinkDelete(&accept_p->node, &client_p->connection->acceptlist); |
986 |
adx |
30 |
|
987 |
michael |
4974 |
MyFree(accept_p->nickptr); |
988 |
|
|
MyFree(accept_p->userptr); |
989 |
|
|
MyFree(accept_p->hostptr); |
990 |
|
|
MyFree(accept_p); |
991 |
michael |
887 |
} |
992 |
adx |
30 |
|
993 |
michael |
887 |
struct split_nuh_item * |
994 |
|
|
find_accept(const char *nick, const char *user, |
995 |
michael |
2363 |
const char *host, struct Client *client_p, |
996 |
|
|
int (*cmpfunc)(const char *, const char *)) |
997 |
michael |
887 |
{ |
998 |
michael |
4801 |
dlink_node *node = NULL; |
999 |
adx |
30 |
|
1000 |
michael |
4801 |
DLINK_FOREACH(node, client_p->connection->acceptlist.head) |
1001 |
adx |
30 |
{ |
1002 |
michael |
4974 |
struct split_nuh_item *accept_p = node->data; |
1003 |
michael |
887 |
|
1004 |
michael |
4974 |
if (!cmpfunc(accept_p->nickptr, nick) && |
1005 |
|
|
!cmpfunc(accept_p->userptr, user) && |
1006 |
|
|
!cmpfunc(accept_p->hostptr, host)) |
1007 |
|
|
return accept_p; |
1008 |
adx |
30 |
} |
1009 |
|
|
|
1010 |
michael |
887 |
return NULL; |
1011 |
adx |
30 |
} |
1012 |
|
|
|
1013 |
michael |
887 |
/* accept_message() |
1014 |
adx |
30 |
* |
1015 |
michael |
887 |
* inputs - pointer to source client |
1016 |
|
|
* - pointer to target client |
1017 |
|
|
* output - 1 if accept this message 0 if not |
1018 |
|
|
* side effects - See if source is on target's allow list |
1019 |
adx |
30 |
*/ |
1020 |
michael |
887 |
int |
1021 |
|
|
accept_message(struct Client *source, |
1022 |
|
|
struct Client *target) |
1023 |
adx |
30 |
{ |
1024 |
michael |
4801 |
dlink_node *node = NULL; |
1025 |
adx |
30 |
|
1026 |
michael |
5452 |
if (HasFlag(source, FLAGS_SERVICE) || |
1027 |
|
|
(HasUMode(source, UMODE_OPER) && ConfigGeneral.opers_bypass_callerid)) |
1028 |
|
|
return 1; |
1029 |
|
|
|
1030 |
michael |
887 |
if (source == target || find_accept(source->name, source->username, |
1031 |
michael |
2363 |
source->host, target, match)) |
1032 |
michael |
887 |
return 1; |
1033 |
adx |
30 |
|
1034 |
michael |
4661 |
if (!HasUMode(target, UMODE_CALLERID) && HasUMode(target, UMODE_SOFTCALLERID)) |
1035 |
michael |
4801 |
DLINK_FOREACH(node, target->channel.head) |
1036 |
|
|
if (IsMember(source, ((struct Membership *)node->data)->chptr)) |
1037 |
michael |
887 |
return 1; |
1038 |
adx |
30 |
|
1039 |
michael |
887 |
return 0; |
1040 |
adx |
30 |
} |
1041 |
|
|
|
1042 |
|
|
/* del_all_accepts() |
1043 |
|
|
* |
1044 |
michael |
887 |
* inputs - pointer to exiting client |
1045 |
|
|
* output - NONE |
1046 |
|
|
* side effects - Walk through given clients acceptlist and remove all entries |
1047 |
adx |
30 |
*/ |
1048 |
|
|
void |
1049 |
|
|
del_all_accepts(struct Client *client_p) |
1050 |
|
|
{ |
1051 |
michael |
4801 |
dlink_node *node = NULL, *node_next = NULL; |
1052 |
adx |
30 |
|
1053 |
michael |
4801 |
DLINK_FOREACH_SAFE(node, node_next, client_p->connection->acceptlist.head) |
1054 |
|
|
del_accept(node->data, client_p); |
1055 |
adx |
30 |
} |
1056 |
michael |
1783 |
|
1057 |
|
|
unsigned int |
1058 |
michael |
5546 |
client_get_idle_time(const struct Client *source_p, |
1059 |
|
|
const struct Client *target_p) |
1060 |
michael |
1783 |
{ |
1061 |
|
|
unsigned int idle = 0; |
1062 |
|
|
unsigned int min_idle = 0; |
1063 |
|
|
unsigned int max_idle = 0; |
1064 |
michael |
4834 |
const struct ClassItem *const class = get_class_ptr(&target_p->connection->confs); |
1065 |
michael |
1783 |
|
1066 |
michael |
1785 |
if (!(class->flags & CLASS_FLAGS_FAKE_IDLE) || target_p == source_p) |
1067 |
michael |
4589 |
return CurrentTime - target_p->connection->last_privmsg; |
1068 |
michael |
4883 |
|
1069 |
michael |
1783 |
if (HasUMode(source_p, UMODE_OPER) && |
1070 |
michael |
1785 |
!(class->flags & CLASS_FLAGS_HIDE_IDLE_FROM_OPERS)) |
1071 |
michael |
4589 |
return CurrentTime - target_p->connection->last_privmsg; |
1072 |
michael |
1783 |
|
1073 |
|
|
min_idle = class->min_idle; |
1074 |
|
|
max_idle = class->max_idle; |
1075 |
|
|
|
1076 |
|
|
if (min_idle == max_idle) |
1077 |
|
|
return min_idle; |
1078 |
|
|
|
1079 |
|
|
if (class->flags & CLASS_FLAGS_RANDOM_IDLE) |
1080 |
|
|
idle = genrand_int32(); |
1081 |
|
|
else |
1082 |
michael |
4589 |
idle = CurrentTime - target_p->connection->last_privmsg; |
1083 |
michael |
1783 |
|
1084 |
michael |
3235 |
if (!max_idle) |
1085 |
michael |
1783 |
idle = 0; |
1086 |
|
|
else |
1087 |
|
|
idle %= max_idle; |
1088 |
|
|
|
1089 |
|
|
if (idle < min_idle) |
1090 |
|
|
idle = min_idle + (idle % (max_idle - min_idle)); |
1091 |
|
|
|
1092 |
|
|
return idle; |
1093 |
|
|
} |
1094 |
michael |
4215 |
|
1095 |
|
|
/* client_init() |
1096 |
|
|
* |
1097 |
|
|
* inputs - NONE |
1098 |
|
|
* output - NONE |
1099 |
|
|
* side effects - initialize client free memory |
1100 |
|
|
*/ |
1101 |
|
|
void |
1102 |
|
|
client_init(void) |
1103 |
|
|
{ |
1104 |
|
|
static struct event event_ping = |
1105 |
|
|
{ |
1106 |
|
|
.name = "check_pings", |
1107 |
|
|
.handler = check_pings, |
1108 |
|
|
.when = 5 |
1109 |
|
|
}; |
1110 |
|
|
|
1111 |
|
|
client_pool = mp_pool_new(sizeof(struct Client), MP_CHUNK_SIZE_CLIENT); |
1112 |
michael |
4578 |
connection_pool = mp_pool_new(sizeof(struct Connection), MP_CHUNK_SIZE_CONNECTION); |
1113 |
michael |
4215 |
event_add(&event_ping, NULL); |
1114 |
|
|
} |