-
Notifications
You must be signed in to change notification settings - Fork 4
/
userd.c
454 lines (401 loc) · 8.5 KB
/
userd.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
# include <kernel/kernel.h>
# include <kernel/rsrc.h>
# include <kernel/user.h>
# include <status.h>
object *users; /* user mappings */
mapping names; /* name : connection object */
object *connections; /* saved connections */
mapping telnet, binary, datagram; /* port managers */
mapping editors; /* editor : TRUE */
/*
* NAME: create()
* DESCRIPTION: initialize object
*/
static void create()
{
/* load essential objects */
compile_object(TELNET_CONN);
compile_object(BINARY_CONN);
compile_object(DATAGRAM_CONN);
compile_object(DEFAULT_USER);
/* initialize user arrays */
users = ({ });
names = ([ ]);
telnet = ([ ]);
binary = ([ ]);
datagram = ([ ]);
editors = ([ ]);
}
/*
* NAME: telnet_connection()
* DESCRIPTION: return a new telnet connection object
*/
object telnet_connection(mapping tls, int port)
{
if (previous_program() == DRIVER) {
object conn;
conn = clone_object(TELNET_CONN);
conn->set_port(port);
return conn;
}
}
/*
* NAME: binary_connection()
* DESCRIPTION: return a new binary connection object
*/
object binary_connection(mapping tls, int port)
{
if (previous_program() == DRIVER) {
object conn;
conn = clone_object(BINARY_CONN);
conn->set_port(port);
return conn;
}
}
/*
* NAME: datagram_connection()
* DESCRIPTION: return a new datagram connection object
*/
object datagram_connection(mapping tls, int port)
{
if (previous_program() == DRIVER) {
object conn;
conn = clone_object(DATAGRAM_CONN);
conn->set_port(port);
return conn;
}
}
/*
* NAME: set_telnet_manager()
* DESCRIPTION: set the telnet manager object, which determines what the
* user object is, based on the first line of input
*/
void set_telnet_manager(int port, object manager)
{
if (SYSTEM() && !telnet[port]) {
telnet[port] = manager;
}
}
/*
* NAME: set_binary_manager()
* DESCRIPTION: set the binary manager object, which determines what the
* user object is, based on the first line of input
*/
void set_binary_manager(int port, object manager)
{
if (SYSTEM() && !binary[port]) {
binary[port] = manager;
}
}
/*
* NAME: set_datagram_manager()
* DESCRIPTION: set the datagram manager object, which determines what the
* user object is, based on the first datagram
*/
void set_datagram_manager(int port, object manager)
{
if (SYSTEM() && !datagram[port]) {
datagram[port] = manager;
}
}
/*
* NAME: telnet_user()
* DESCRIPTION: select user object for telnet connection, based on line of
* input
*/
object telnet_user(int port, string str)
{
if (previous_program() == LIB_CONN) {
object user;
user = names[str];
if (!user) {
user = telnet[port];
if (user && (str != "admin" || port != 0)) {
user = (object LIB_USER) user->select(str);
} else {
user = clone_object(DEFAULT_USER);
}
}
return user;
}
}
/*
* NAME: binary_user()
* DESCRIPTION: select user object for binary connection, based on line of
* input
*/
object binary_user(int port, string str)
{
if (previous_program() == LIB_CONN) {
object user;
user = names[str];
if (!user) {
user = binary[port];
if (user) {
user = (object LIB_USER) user->select(str);
} else {
user = clone_object(DEFAULT_USER);
}
}
return user;
}
}
/*
* NAME: datagram_user()
* DESCRIPTION: select user object for datagram connection, based on the first
* datagram
*/
object datagram_user(int port, string str)
{
if (previous_program() == LIB_CONN) {
object user;
user = names[str];
if (!user) {
user = datagram[port];
if (user) {
user = (object LIB_USER) user->select(str);
} else {
user = clone_object(DEFAULT_USER);
}
}
return user;
}
}
/*
* NAME: query_telnet_mode()
* DESCRIPTION: return the current telnet connection mode
*/
int query_telnet_mode(int port, object obj)
{
if (previous_program() == LIB_CONN) {
object manager;
manager = telnet[port];
return (manager) ? manager->query_mode(obj) : MODE_NOCHANGE;
}
}
/*
* NAME: query_binary_mode()
* DESCRIPTION: return the current binary connection mode
*/
int query_binary_mode(int port, object obj)
{
if (previous_program() == LIB_CONN) {
object manager;
manager = binary[port];
return (manager) ? manager->query_mode(obj) : MODE_NOCHANGE;
}
}
/*
* NAME: query_datagram_mode()
* DESCRIPTION: return the current datagram connection mode
*/
int query_datagram_mode(int port, object obj)
{
if (previous_program() == LIB_CONN) {
object manager;
manager = datagram[port];
return (manager) ? manager->query_mode(obj) : MODE_NOCHANGE;
}
}
/*
* NAME: query_telnet_timeout()
* DESCRIPTION: return the current telnet connection timeout
*/
int query_telnet_timeout(int port, object obj)
{
if (previous_program() == LIB_CONN) {
object manager;
manager = telnet[port];
return (manager) ? manager->query_timeout(obj) : DEFAULT_TIMEOUT;
}
}
/*
* NAME: query_binary_timeout()
* DESCRIPTION: return the current binary connection timeout
*/
int query_binary_timeout(int port, object obj)
{
if (previous_program() == LIB_CONN) {
object manager;
manager = binary[port];
return (manager) ? manager->query_timeout(obj) : DEFAULT_TIMEOUT;
}
}
/*
* NAME: query_datagram_timeout()
* DESCRIPTION: return the current datagram connection timeout
*/
int query_datagram_timeout(int port, object obj)
{
if (previous_program() == LIB_CONN) {
object manager;
manager = datagram[port];
return (manager) ? manager->query_timeout(obj) : DEFAULT_TIMEOUT;
}
}
/*
* NAME: query_telnet_banner()
* DESCRIPTION: return the current telnet login banner
*/
string query_telnet_banner(int port, object obj)
{
if (previous_program() == LIB_CONN) {
object manager;
manager = telnet[port];
return (manager) ?
manager->query_banner(obj) :
"\n" + status(ST_VERSION) + " (telnet)\n\nlogin: ";
}
}
/*
* NAME: query_binary_banner()
* DESCRIPTION: return the current binary login banner
*/
string query_binary_banner(int port, object obj)
{
if (previous_program() == LIB_CONN) {
object manager;
manager = binary[port];
return (manager) ?
manager->query_banner(obj) :
(port >= 0) ?
"\r\n" + status(ST_VERSION) + " (binary)\r\n\r\nlogin: " :
nil;
}
}
/*
* NAME: login()
* DESCRIPTION: login user
*/
void login(object user, string name)
{
if (previous_program() == LIB_USER) {
users = (users - ({ nil })) | ({ user });
names[name] = user;
}
}
/*
* NAME: logout()
* DESCRIPTION: log user out
*/
void logout(object user, string name)
{
if (previous_program() == LIB_USER) {
users -= ({ user });
names[name] = nil;
}
}
/*
* NAME: query_users()
* DESCRIPTION: return the current telnet and binary users
*/
object *query_users()
{
if (previous_program() == AUTO) {
object *usr;
int i, changed;
usr = users - ({ nil });
changed = FALSE;
for (i = sizeof(usr); --i >= 0; ) {
if (!usr[i]->query_conn()) {
usr[i] = nil;
changed = TRUE;
}
}
return (changed) ? usr - ({ nil }) : usr;
}
}
/*
* NAME: query_connections()
* DESCRIPTION: return the current connections
*/
object *query_connections()
{
if (previous_program() == API_USER) {
return users();
}
}
/*
* NAME: find_user()
* DESCRIPTION: find the user associated with a certain name
*/
object find_user(string name)
{
if (previous_program() == API_USER) {
return names[name];
}
}
/*
* NAME: add_editor()
* DESCRIPTION: register an editor object
*/
void add_editor(object obj)
{
if (previous_program() == AUTO) {
editors[obj] = TRUE;
}
}
/*
* NAME: remove_editor()
* DESCRIPTION: unregister an editor object
*/
void remove_editor(object obj)
{
if (previous_program() == AUTO) {
editors[obj] = nil;
}
}
/*
* NAME: query_editors()
* DESCRIPTION: return the current editor objects
*/
object *query_editors()
{
if (SYSTEM()) {
return map_indices(editors);
}
}
/*
* NAME: prepare_reboot()
* DESCRIPTION: prepare for a reboot
*/
void prepare_reboot()
{
if (previous_program() == DRIVER) {
catch {
connections = users();
}
}
}
/*
* NAME: reboot()
* DESCRIPTION: handle a reboot
*/
void reboot()
{
if (previous_program() == DRIVER) {
int i;
if (connections) {
for (i = sizeof(connections); --i >= 0; ) {
connections[i]->reboot();
}
connections = nil;
}
users = ({ });
names = ([ ]);
editors = ([ ]);
}
}
/*
* NAME: hotboot()
* DESCRIPTION: handle a hotboot
*/
void hotboot()
{
if (previous_program() == DRIVER) {
connections = nil;
# ifndef __HYDRA__
editors = ([ ]); /* DGD does not preserve editor sessions */
# endif
}
}