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61b844bf TL |
1 | /* protocol.c |
2 | ||
3 | Functions supporting the object management protocol... */ | |
4 | ||
5 | /* | |
6 | * Copyright (c) 1996-1999 Internet Software Consortium. | |
7 | * Use is subject to license terms which appear in the file named | |
8 | * ISC-LICENSE that should have accompanied this file when you | |
9 | * received it. If a file named ISC-LICENSE did not accompany this | |
10 | * file, or you are not sure the one you have is correct, you may | |
11 | * obtain an applicable copy of the license at: | |
12 | * | |
13 | * http://www.isc.org/isc-license-1.0.html. | |
14 | * | |
15 | * This file is part of the ISC DHCP distribution. The documentation | |
16 | * associated with this file is listed in the file DOCUMENTATION, | |
17 | * included in the top-level directory of this release. | |
18 | * | |
19 | * Support and other services are available for ISC products - see | |
20 | * http://www.isc.org for more information. | |
21 | */ | |
22 | ||
6a4c4be8 | 23 | #include <omapip/omapip_p.h> |
61b844bf TL |
24 | |
25 | isc_result_t omapi_protocol_connect (omapi_object_t *h, | |
b1b7b521 | 26 | const char *server_name, |
d9eefc5d | 27 | unsigned port, |
61b844bf TL |
28 | omapi_object_t *authinfo) |
29 | { | |
30 | isc_result_t status; | |
31 | omapi_protocol_object_t *obj; | |
32 | ||
4bd8800e | 33 | obj = (omapi_protocol_object_t *)dmalloc (sizeof *obj, MDL); |
61b844bf TL |
34 | if (!obj) |
35 | return ISC_R_NOMEMORY; | |
36 | memset (obj, 0, sizeof *obj); | |
37 | obj -> refcnt = 1; | |
37e365b4 | 38 | rc_register_mdl (&obj, obj, obj -> refcnt); |
61b844bf TL |
39 | obj -> type = omapi_type_protocol; |
40 | ||
41 | status = omapi_connect ((omapi_object_t *)obj, server_name, port); | |
42 | if (status != ISC_R_SUCCESS) { | |
4bd8800e | 43 | omapi_object_dereference ((omapi_object_t **)&obj, MDL); |
61b844bf TL |
44 | return status; |
45 | } | |
4bd8800e TL |
46 | status = omapi_object_reference (&h -> outer, |
47 | (omapi_object_t *)obj, MDL); | |
61b844bf | 48 | if (status != ISC_R_SUCCESS) { |
4bd8800e | 49 | omapi_object_dereference ((omapi_object_t **)&obj, MDL); |
61b844bf TL |
50 | return status; |
51 | } | |
4bd8800e | 52 | status = omapi_object_reference (&obj -> inner, h, MDL); |
61b844bf | 53 | if (status != ISC_R_SUCCESS) { |
4bd8800e | 54 | omapi_object_dereference ((omapi_object_t **)&obj, MDL); |
61b844bf TL |
55 | return status; |
56 | } | |
57 | ||
58 | /* Send the introductory message. */ | |
59 | status = omapi_protocol_send_intro ((omapi_object_t *)obj, | |
60 | OMAPI_PROTOCOL_VERSION, | |
61 | sizeof (omapi_protocol_header_t)); | |
62 | if (status != ISC_R_SUCCESS) { | |
4bd8800e | 63 | omapi_object_dereference ((omapi_object_t **)&obj, MDL); |
61b844bf TL |
64 | return status; |
65 | } | |
66 | ||
67 | if (authinfo) | |
4bd8800e TL |
68 | omapi_object_reference (&obj -> authinfo, authinfo, MDL); |
69 | omapi_object_dereference ((omapi_object_t **)&obj, MDL); | |
61b844bf TL |
70 | return ISC_R_SUCCESS; |
71 | } | |
72 | ||
73 | /* Send the protocol introduction message. */ | |
74 | isc_result_t omapi_protocol_send_intro (omapi_object_t *h, | |
b1b7b521 TL |
75 | unsigned ver, |
76 | unsigned hsize) | |
61b844bf TL |
77 | { |
78 | isc_result_t status; | |
79 | omapi_protocol_object_t *p; | |
80 | ||
81 | if (h -> type != omapi_type_protocol) | |
82 | return ISC_R_INVALIDARG; | |
83 | p = (omapi_protocol_object_t *)h; | |
84 | ||
85 | if (!h -> outer || h -> outer -> type != omapi_type_connection) | |
86 | return ISC_R_NOTCONNECTED; | |
87 | ||
88 | status = omapi_connection_put_uint32 (h -> outer, ver); | |
89 | if (status != ISC_R_SUCCESS) | |
90 | return status; | |
91 | ||
92 | status = omapi_connection_put_uint32 (h -> outer, hsize); | |
93 | ||
94 | if (status != ISC_R_SUCCESS) | |
95 | return status; | |
96 | ||
97 | /* Require the other end to send an intro - this kicks off the | |
98 | protocol input state machine. */ | |
99 | p -> state = omapi_protocol_intro_wait; | |
100 | status = omapi_connection_require (h -> outer, 8); | |
101 | if (status != ISC_R_SUCCESS && status != ISC_R_NOTYET) | |
102 | return status; | |
103 | ||
104 | /* Make up an initial transaction ID for this connection. */ | |
105 | p -> next_xid = random (); | |
106 | return ISC_R_SUCCESS; | |
107 | } | |
108 | ||
109 | isc_result_t omapi_protocol_send_message (omapi_object_t *po, | |
110 | omapi_object_t *id, | |
111 | omapi_object_t *mo, | |
112 | omapi_object_t *omo) | |
113 | { | |
114 | omapi_protocol_object_t *p; | |
115 | omapi_object_t *c; | |
116 | omapi_message_object_t *m; | |
117 | omapi_message_object_t *om; | |
118 | isc_result_t status; | |
119 | u_int32_t foo; | |
120 | ||
121 | if (po -> type != omapi_type_protocol || | |
122 | !po -> outer || po -> outer -> type != omapi_type_connection || | |
123 | mo -> type != omapi_type_message) | |
124 | return ISC_R_INVALIDARG; | |
125 | if (omo && omo -> type != omapi_type_message) | |
126 | return ISC_R_INVALIDARG; | |
127 | p = (omapi_protocol_object_t *)po; | |
128 | c = (omapi_object_t *)(po -> outer); | |
129 | m = (omapi_message_object_t *)mo; | |
130 | om = (omapi_message_object_t *)omo; | |
131 | ||
132 | /* XXX Write the authenticator length */ | |
133 | status = omapi_connection_put_uint32 (c, 0); | |
134 | if (status != ISC_R_SUCCESS) | |
135 | return status; | |
136 | /* XXX Write the ID of the authentication key we're using. */ | |
137 | status = omapi_connection_put_uint32 (c, 0); | |
138 | if (status != ISC_R_SUCCESS) { | |
139 | omapi_disconnect (c, 1); | |
140 | return status; | |
141 | } | |
142 | ||
143 | /* Write the opcode. */ | |
144 | status = omapi_connection_put_uint32 (c, m -> op); | |
145 | if (status != ISC_R_SUCCESS) { | |
146 | omapi_disconnect (c, 1); | |
147 | return status; | |
148 | } | |
149 | ||
150 | /* Write the handle. If we've been given an explicit handle, use | |
151 | that. Otherwise, use the handle of the object we're sending. | |
152 | The caller is responsible for arranging for one of these handles | |
153 | to be set (or not). */ | |
154 | status = omapi_connection_put_uint32 (c, (m -> h | |
155 | ? m -> h | |
5a8e13c6 TL |
156 | : (m -> object |
157 | ? m -> object -> handle | |
158 | : 0))); | |
61b844bf TL |
159 | if (status != ISC_R_SUCCESS) { |
160 | omapi_disconnect (c, 1); | |
161 | return status; | |
162 | } | |
163 | ||
164 | /* Set and write the transaction ID. */ | |
165 | m -> id = p -> next_xid++; | |
166 | status = omapi_connection_put_uint32 (c, m -> id); | |
167 | if (status != ISC_R_SUCCESS) { | |
168 | omapi_disconnect (c, 1); | |
169 | return status; | |
170 | } | |
171 | ||
172 | /* Write the transaction ID of the message to which this is a | |
173 | response, if there is such a message. */ | |
5a8e13c6 | 174 | status = omapi_connection_put_uint32 (c, om ? om -> id : m -> rid); |
61b844bf TL |
175 | if (status != ISC_R_SUCCESS) { |
176 | omapi_disconnect (c, 1); | |
177 | return status; | |
178 | } | |
179 | ||
581e37e4 | 180 | /* Stuff out the name/value pairs specific to this message. */ |
5a8e13c6 TL |
181 | status = omapi_stuff_values (c, id, (omapi_object_t *)m); |
182 | if (status != ISC_R_SUCCESS) { | |
183 | omapi_disconnect (c, 1); | |
184 | return status; | |
581e37e4 TL |
185 | } |
186 | ||
187 | /* Write the zero-length name that terminates the list of name/value | |
188 | pairs specific to the message. */ | |
189 | status = omapi_connection_put_uint16 (c, 0); | |
61b844bf TL |
190 | if (status != ISC_R_SUCCESS) { |
191 | omapi_disconnect (c, 1); | |
192 | return status; | |
193 | } | |
194 | ||
581e37e4 TL |
195 | /* Stuff out all the published name/value pairs in the object that's |
196 | being sent in the message, if there is one. */ | |
197 | if (m -> object) { | |
198 | status = omapi_stuff_values (c, id, m -> object); | |
199 | if (status != ISC_R_SUCCESS) { | |
200 | omapi_disconnect (c, 1); | |
201 | return status; | |
202 | } | |
203 | } | |
204 | ||
61b844bf | 205 | /* Write the zero-length name that terminates the list of name/value |
581e37e4 | 206 | pairs for the associated object. */ |
61b844bf TL |
207 | status = omapi_connection_put_uint16 (c, 0); |
208 | if (status != ISC_R_SUCCESS) { | |
209 | omapi_disconnect (c, 1); | |
210 | return status; | |
211 | } | |
212 | ||
213 | /* XXX Write the authenticator... */ | |
214 | ||
215 | return ISC_R_SUCCESS; | |
216 | } | |
217 | ||
218 | ||
219 | isc_result_t omapi_protocol_signal_handler (omapi_object_t *h, | |
b1b7b521 | 220 | const char *name, va_list ap) |
61b844bf TL |
221 | { |
222 | isc_result_t status; | |
223 | omapi_protocol_object_t *p; | |
224 | omapi_object_t *c; | |
225 | u_int16_t nlen; | |
226 | u_int32_t vlen; | |
bbdb72a4 | 227 | u_int32_t th; |
61b844bf TL |
228 | |
229 | if (h -> type != omapi_type_protocol) { | |
230 | /* XXX shouldn't happen. Put an assert here? */ | |
231 | return ISC_R_UNEXPECTED; | |
232 | } | |
233 | p = (omapi_protocol_object_t *)h; | |
234 | ||
235 | /* Not a signal we recognize? */ | |
236 | if (strcmp (name, "ready")) { | |
237 | if (p -> inner && p -> inner -> type -> signal_handler) | |
238 | return (*(p -> inner -> type -> signal_handler)) (h, | |
239 | name, | |
240 | ap); | |
241 | return ISC_R_NOTFOUND; | |
242 | } | |
243 | ||
244 | if (!p -> outer || p -> outer -> type != omapi_type_connection) | |
245 | return ISC_R_INVALIDARG; | |
246 | c = p -> outer; | |
247 | ||
248 | /* We get here because we requested that we be woken up after | |
249 | some number of bytes were read, and that number of bytes | |
250 | has in fact been read. */ | |
251 | switch (p -> state) { | |
252 | case omapi_protocol_intro_wait: | |
253 | /* Get protocol version and header size in network | |
254 | byte order. */ | |
d9eefc5d TL |
255 | omapi_connection_get_uint32 (c, &p -> protocol_version); |
256 | omapi_connection_get_uint32 (c, &p -> header_size); | |
61b844bf TL |
257 | |
258 | /* We currently only support the current protocol version. */ | |
259 | if (p -> protocol_version != OMAPI_PROTOCOL_VERSION) { | |
260 | omapi_disconnect (c, 1); | |
261 | return ISC_R_VERSIONMISMATCH; | |
262 | } | |
263 | ||
264 | if (p -> header_size < sizeof (omapi_protocol_header_t)) { | |
265 | omapi_disconnect (c, 1); | |
266 | return ISC_R_PROTOCOLERROR; | |
267 | } | |
268 | ||
269 | status = omapi_signal_in (h -> inner, "ready"); | |
270 | ||
271 | to_header_wait: | |
272 | /* The next thing we're expecting is a message header. */ | |
273 | p -> state = omapi_protocol_header_wait; | |
274 | ||
275 | /* Register a need for the number of bytes in a | |
276 | header, and if we already have that many, process | |
277 | them immediately. */ | |
d9eefc5d TL |
278 | if ((omapi_connection_require (c, p -> header_size)) != |
279 | ISC_R_SUCCESS) | |
61b844bf TL |
280 | break; |
281 | /* If we already have the data, fall through. */ | |
282 | ||
283 | case omapi_protocol_header_wait: | |
284 | status = omapi_message_new ((omapi_object_t **)&p -> message, | |
4bd8800e | 285 | MDL); |
61b844bf TL |
286 | if (status != ISC_R_SUCCESS) { |
287 | omapi_disconnect (c, 1); | |
288 | return status; | |
289 | } | |
290 | ||
61b844bf | 291 | /* Swap in the header... */ |
d9eefc5d | 292 | omapi_connection_get_uint32 (c, &p -> message -> authid); |
61b844bf TL |
293 | |
294 | /* XXX bind the authenticator here! */ | |
d9eefc5d TL |
295 | omapi_connection_get_uint32 (c, &p -> message -> authlen); |
296 | omapi_connection_get_uint32 (c, &p -> message -> op); | |
bbdb72a4 | 297 | omapi_connection_get_uint32 (c, &th); |
3185c188 | 298 | p -> message -> h = th; |
d9eefc5d TL |
299 | omapi_connection_get_uint32 (c, &p -> message -> id); |
300 | omapi_connection_get_uint32 (c, &p -> message -> rid); | |
61b844bf TL |
301 | |
302 | /* If there was any extra header data, skip over it. */ | |
303 | if (p -> header_size > sizeof (omapi_protocol_header_t)) { | |
304 | omapi_connection_copyout | |
305 | (0, c, (p -> header_size - | |
306 | sizeof (omapi_protocol_header_t))); | |
307 | } | |
308 | ||
309 | /* XXX must compute partial signature across the | |
310 | XXX preceding bytes. Also, if authenticator | |
311 | specifies encryption as well as signing, we may | |
312 | have to decrypt the data on the way in. */ | |
313 | ||
581e37e4 TL |
314 | /* First we read in message-specific values, then object |
315 | values. */ | |
316 | p -> reading_message_values = 1; | |
317 | ||
61b844bf TL |
318 | need_name_length: |
319 | /* The next thing we're expecting is length of the | |
320 | first name. */ | |
321 | p -> state = omapi_protocol_name_length_wait; | |
322 | ||
323 | /* Wait for a 16-bit length. */ | |
324 | if ((omapi_connection_require (c, 2)) != ISC_R_SUCCESS) | |
325 | break; | |
326 | /* If it's already here, fall through. */ | |
327 | ||
328 | case omapi_protocol_name_length_wait: | |
329 | omapi_connection_get_uint16 (c, &nlen); | |
330 | /* A zero-length name means that we're done reading name+value | |
331 | pairs. */ | |
332 | if (nlen == 0) { | |
581e37e4 TL |
333 | /* If we've already read in the object, we are |
334 | done reading the message, but if we've just | |
335 | finished reading in the values associated | |
336 | with the message, we need to read the | |
337 | object. */ | |
338 | if (p -> reading_message_values) { | |
339 | p -> reading_message_values = 0; | |
340 | goto need_name_length; | |
341 | } | |
342 | ||
61b844bf TL |
343 | /* If the authenticator length is zero, there's no |
344 | signature to read in, so go straight to processing | |
345 | the message. */ | |
346 | if (p -> message -> authlen == 0) | |
347 | goto message_done; | |
348 | ||
349 | /* The next thing we're expecting is the | |
350 | message signature. */ | |
351 | p -> state = omapi_protocol_signature_wait; | |
352 | ||
353 | /* Wait for the number of bytes specified for | |
354 | the authenticator. If we already have it, | |
355 | go read it in. */ | |
356 | if (omapi_connection_require | |
357 | (c, p -> message -> authlen) == ISC_R_SUCCESS) | |
358 | goto signature_wait; | |
359 | break; | |
360 | } | |
361 | ||
362 | /* Allocate a buffer for the name. */ | |
4bd8800e | 363 | status = (omapi_data_string_new (&p -> name, nlen, MDL)); |
61b844bf TL |
364 | if (status != ISC_R_SUCCESS) { |
365 | omapi_disconnect (c, 1); | |
366 | return ISC_R_NOMEMORY; | |
367 | } | |
581e37e4 | 368 | p -> state = omapi_protocol_name_wait; |
61b844bf TL |
369 | if (omapi_connection_require (c, nlen) != ISC_R_SUCCESS) |
370 | break; | |
371 | /* If it's already here, fall through. */ | |
372 | ||
373 | case omapi_protocol_name_wait: | |
374 | omapi_connection_copyout (p -> name -> value, c, | |
375 | p -> name -> len); | |
376 | /* Wait for a 32-bit length. */ | |
581e37e4 | 377 | p -> state = omapi_protocol_value_length_wait; |
61b844bf TL |
378 | if ((omapi_connection_require (c, 4)) != ISC_R_SUCCESS) |
379 | break; | |
380 | /* If it's already here, fall through. */ | |
381 | ||
382 | case omapi_protocol_value_length_wait: | |
383 | omapi_connection_get_uint32 (c, &vlen); | |
384 | ||
385 | /* Zero-length values are allowed - if we get one, we | |
386 | don't have to read any data for the value - just | |
387 | get the next one, if there is a next one. */ | |
388 | if (!vlen) | |
389 | goto insert_new_value; | |
390 | ||
4bd8800e TL |
391 | status = omapi_typed_data_new (MDL, &p -> value, |
392 | omapi_datatype_data, | |
393 | vlen); | |
61b844bf TL |
394 | if (status != ISC_R_SUCCESS) { |
395 | omapi_disconnect (c, 1); | |
396 | return ISC_R_NOMEMORY; | |
397 | } | |
398 | ||
581e37e4 | 399 | p -> state = omapi_protocol_value_wait; |
61b844bf TL |
400 | if (omapi_connection_require (c, vlen) != ISC_R_SUCCESS) |
401 | break; | |
402 | /* If it's already here, fall through. */ | |
403 | ||
404 | case omapi_protocol_value_wait: | |
405 | omapi_connection_copyout (p -> value -> u.buffer.value, c, | |
406 | p -> value -> u.buffer.len); | |
407 | ||
408 | insert_new_value: | |
581e37e4 TL |
409 | if (p -> reading_message_values) { |
410 | status = (omapi_set_value | |
411 | ((omapi_object_t *)p -> message, | |
412 | p -> message -> id_object, | |
413 | p -> name, p -> value)); | |
414 | } else { | |
415 | if (!p -> message -> object) { | |
416 | /* We need a generic object to hang off of the | |
417 | incoming message. */ | |
418 | status = (omapi_generic_new | |
4bd8800e | 419 | (&p -> message -> object, MDL)); |
581e37e4 TL |
420 | if (status != ISC_R_SUCCESS) { |
421 | omapi_disconnect (c, 1); | |
422 | return status; | |
423 | } | |
424 | } | |
425 | status = (omapi_set_value | |
426 | ((omapi_object_t *)p -> message -> object, | |
427 | p -> message -> id_object, | |
428 | p -> name, p -> value)); | |
429 | } | |
61b844bf TL |
430 | if (status != ISC_R_SUCCESS) { |
431 | omapi_disconnect (c, 1); | |
432 | return status; | |
433 | } | |
4bd8800e TL |
434 | omapi_data_string_dereference (&p -> name, MDL); |
435 | omapi_typed_data_dereference (&p -> value, MDL); | |
61b844bf TL |
436 | goto need_name_length; |
437 | ||
438 | signature_wait: | |
439 | case omapi_protocol_signature_wait: | |
4bd8800e TL |
440 | status = omapi_typed_data_new (MDL, |
441 | &p -> message -> authenticator, | |
61b844bf TL |
442 | omapi_datatype_data, |
443 | p -> message -> authlen); | |
444 | ||
445 | if (status != ISC_R_SUCCESS) { | |
446 | omapi_disconnect (c, 1); | |
447 | return ISC_R_NOMEMORY; | |
448 | } | |
449 | omapi_connection_copyout | |
450 | (p -> message -> authenticator -> u.buffer.value, c, | |
451 | p -> message -> authlen); | |
452 | /* XXX now do something to verify the signature. */ | |
453 | ||
581e37e4 | 454 | /* Process the message. */ |
61b844bf | 455 | message_done: |
5a8e13c6 TL |
456 | status = omapi_message_process ((omapi_object_t *)p -> message, |
457 | h); | |
581e37e4 TL |
458 | if (status != ISC_R_SUCCESS) { |
459 | omapi_disconnect (c, 1); | |
460 | return ISC_R_NOMEMORY; | |
461 | } | |
462 | ||
61b844bf | 463 | /* XXX unbind the authenticator. */ |
581e37e4 TL |
464 | auth_unbind: |
465 | omapi_object_dereference ((omapi_object_t **)&p -> message, | |
4bd8800e | 466 | MDL); |
61b844bf TL |
467 | |
468 | /* Now wait for the next message. */ | |
469 | goto to_header_wait; | |
470 | ||
471 | default: | |
472 | /* XXX should never get here. Assertion? */ | |
8a6dfe4c | 473 | break; |
61b844bf TL |
474 | } |
475 | return ISC_R_SUCCESS; | |
476 | } | |
477 | ||
478 | isc_result_t omapi_protocol_set_value (omapi_object_t *h, | |
479 | omapi_object_t *id, | |
480 | omapi_data_string_t *name, | |
481 | omapi_typed_data_t *value) | |
482 | { | |
483 | if (h -> type != omapi_type_protocol) | |
484 | return ISC_R_INVALIDARG; | |
485 | ||
486 | if (h -> inner && h -> inner -> type -> set_value) | |
487 | return (*(h -> inner -> type -> set_value)) | |
488 | (h -> inner, id, name, value); | |
489 | return ISC_R_NOTFOUND; | |
490 | } | |
491 | ||
492 | isc_result_t omapi_protocol_get_value (omapi_object_t *h, | |
493 | omapi_object_t *id, | |
494 | omapi_data_string_t *name, | |
495 | omapi_value_t **value) | |
496 | { | |
497 | if (h -> type != omapi_type_protocol) | |
498 | return ISC_R_INVALIDARG; | |
499 | ||
500 | if (h -> inner && h -> inner -> type -> get_value) | |
501 | return (*(h -> inner -> type -> get_value)) | |
502 | (h -> inner, id, name, value); | |
503 | return ISC_R_NOTFOUND; | |
504 | } | |
505 | ||
4bd8800e TL |
506 | isc_result_t omapi_protocol_destroy (omapi_object_t *h, |
507 | const char *file, int line) | |
61b844bf TL |
508 | { |
509 | omapi_protocol_object_t *p; | |
510 | if (h -> type != omapi_type_protocol) | |
511 | return ISC_R_INVALIDARG; | |
512 | p = (omapi_protocol_object_t *)h; | |
513 | if (p -> message) | |
514 | omapi_object_dereference ((omapi_object_t **)&p -> message, | |
4bd8800e | 515 | file, line); |
61b844bf | 516 | if (p -> authinfo) |
4bd8800e | 517 | return omapi_object_dereference (&p -> authinfo, file, line); |
61b844bf TL |
518 | return ISC_R_SUCCESS; |
519 | } | |
520 | ||
521 | /* Write all the published values associated with the object through the | |
522 | specified connection. */ | |
523 | ||
524 | isc_result_t omapi_protocol_stuff_values (omapi_object_t *c, | |
525 | omapi_object_t *id, | |
526 | omapi_object_t *p) | |
527 | { | |
528 | int i; | |
529 | ||
530 | if (p -> type != omapi_type_protocol) | |
531 | return ISC_R_INVALIDARG; | |
532 | ||
533 | if (p -> inner && p -> inner -> type -> stuff_values) | |
534 | return (*(p -> inner -> type -> stuff_values)) (c, id, | |
535 | p -> inner); | |
536 | return ISC_R_SUCCESS; | |
537 | } | |
538 | ||
539 | /* Set up a listener for the omapi protocol. The handle stored points to | |
540 | a listener object, not a protocol object. */ | |
541 | ||
542 | isc_result_t omapi_protocol_listen (omapi_object_t *h, | |
d9eefc5d | 543 | unsigned port, |
61b844bf TL |
544 | int max) |
545 | { | |
546 | isc_result_t status; | |
547 | omapi_protocol_listener_object_t *obj; | |
548 | ||
4bd8800e | 549 | obj = (omapi_protocol_listener_object_t *)dmalloc (sizeof *obj, MDL); |
61b844bf TL |
550 | if (!obj) |
551 | return ISC_R_NOMEMORY; | |
552 | memset (obj, 0, sizeof *obj); | |
553 | obj -> refcnt = 1; | |
554 | obj -> type = omapi_type_protocol_listener; | |
555 | ||
4bd8800e TL |
556 | status = omapi_object_reference (&h -> outer, |
557 | (omapi_object_t *)obj, MDL); | |
61b844bf | 558 | if (status != ISC_R_SUCCESS) { |
4bd8800e | 559 | omapi_object_dereference ((omapi_object_t **)&obj, MDL); |
61b844bf TL |
560 | return status; |
561 | } | |
4bd8800e | 562 | status = omapi_object_reference (&obj -> inner, h, MDL); |
61b844bf | 563 | if (status != ISC_R_SUCCESS) { |
4bd8800e | 564 | omapi_object_dereference ((omapi_object_t **)&obj, MDL); |
61b844bf TL |
565 | return status; |
566 | } | |
567 | ||
568 | status = omapi_listen ((omapi_object_t *)obj, port, max); | |
4bd8800e | 569 | omapi_object_dereference ((omapi_object_t **)&obj, MDL); |
61b844bf TL |
570 | return status; |
571 | } | |
572 | ||
573 | /* Signal handler for protocol listener - if we get a connect signal, | |
574 | create a new protocol connection, otherwise pass the signal down. */ | |
575 | ||
576 | isc_result_t omapi_protocol_listener_signal (omapi_object_t *o, | |
b1b7b521 | 577 | const char *name, va_list ap) |
61b844bf TL |
578 | { |
579 | isc_result_t status; | |
580 | omapi_object_t *c; | |
581 | omapi_protocol_object_t *obj; | |
582 | omapi_protocol_listener_object_t *p; | |
583 | ||
584 | if (!o || o -> type != omapi_type_protocol_listener) | |
585 | return ISC_R_INVALIDARG; | |
586 | p = (omapi_protocol_listener_object_t *)o; | |
587 | ||
588 | /* Not a signal we recognize? */ | |
589 | if (strcmp (name, "connect")) { | |
590 | if (p -> inner && p -> inner -> type -> signal_handler) | |
591 | return (*(p -> inner -> type -> signal_handler)) | |
592 | (p -> inner, name, ap); | |
593 | return ISC_R_NOTFOUND; | |
594 | } | |
595 | ||
596 | c = va_arg (ap, omapi_object_t *); | |
597 | if (!c || c -> type != omapi_type_connection) | |
598 | return ISC_R_INVALIDARG; | |
599 | ||
4bd8800e | 600 | obj = (omapi_protocol_object_t *)dmalloc (sizeof *obj, MDL); |
61b844bf TL |
601 | if (!obj) |
602 | return ISC_R_NOMEMORY; | |
603 | memset (obj, 0, sizeof *obj); | |
604 | obj -> refcnt = 1; | |
605 | obj -> type = omapi_type_protocol; | |
606 | ||
4bd8800e | 607 | status = omapi_object_reference (&obj -> outer, c, MDL); |
61b844bf TL |
608 | if (status != ISC_R_SUCCESS) { |
609 | lose: | |
4bd8800e | 610 | omapi_object_dereference ((omapi_object_t **)&obj, MDL); |
61b844bf TL |
611 | omapi_disconnect (c, 1); |
612 | return status; | |
613 | } | |
614 | ||
4bd8800e TL |
615 | status = omapi_object_reference (&c -> inner, |
616 | (omapi_object_t *)obj, MDL); | |
61b844bf TL |
617 | if (status != ISC_R_SUCCESS) |
618 | goto lose; | |
619 | ||
620 | /* Send the introductory message. */ | |
621 | status = omapi_protocol_send_intro ((omapi_object_t *)obj, | |
622 | OMAPI_PROTOCOL_VERSION, | |
623 | sizeof (omapi_protocol_header_t)); | |
624 | if (status != ISC_R_SUCCESS) | |
625 | goto lose; | |
626 | ||
4bd8800e | 627 | omapi_object_dereference ((omapi_object_t **)&obj, MDL); |
61b844bf TL |
628 | return status; |
629 | } | |
630 | ||
631 | isc_result_t omapi_protocol_listener_set_value (omapi_object_t *h, | |
632 | omapi_object_t *id, | |
633 | omapi_data_string_t *name, | |
634 | omapi_typed_data_t *value) | |
635 | { | |
636 | if (h -> type != omapi_type_protocol_listener) | |
637 | return ISC_R_INVALIDARG; | |
638 | ||
639 | if (h -> inner && h -> inner -> type -> set_value) | |
640 | return (*(h -> inner -> type -> set_value)) | |
641 | (h -> inner, id, name, value); | |
642 | return ISC_R_NOTFOUND; | |
643 | } | |
644 | ||
645 | isc_result_t omapi_protocol_listener_get_value (omapi_object_t *h, | |
646 | omapi_object_t *id, | |
647 | omapi_data_string_t *name, | |
648 | omapi_value_t **value) | |
649 | { | |
650 | if (h -> type != omapi_type_protocol_listener) | |
651 | return ISC_R_INVALIDARG; | |
652 | ||
653 | if (h -> inner && h -> inner -> type -> get_value) | |
654 | return (*(h -> inner -> type -> get_value)) | |
655 | (h -> inner, id, name, value); | |
656 | return ISC_R_NOTFOUND; | |
657 | } | |
658 | ||
b1b7b521 | 659 | isc_result_t omapi_protocol_listener_destroy (omapi_object_t *h, |
4bd8800e | 660 | const char *file, int line) |
61b844bf TL |
661 | { |
662 | if (h -> type != omapi_type_protocol_listener) | |
663 | return ISC_R_INVALIDARG; | |
664 | return ISC_R_SUCCESS; | |
665 | } | |
666 | ||
667 | /* Write all the published values associated with the object through the | |
668 | specified connection. */ | |
669 | ||
670 | isc_result_t omapi_protocol_listener_stuff (omapi_object_t *c, | |
671 | omapi_object_t *id, | |
672 | omapi_object_t *p) | |
673 | { | |
674 | int i; | |
675 | ||
676 | if (p -> type != omapi_type_protocol_listener) | |
677 | return ISC_R_INVALIDARG; | |
678 | ||
679 | if (p -> inner && p -> inner -> type -> stuff_values) | |
680 | return (*(p -> inner -> type -> stuff_values)) (c, id, | |
681 | p -> inner); | |
682 | return ISC_R_SUCCESS; | |
683 | } | |
684 | ||
5a8e13c6 TL |
685 | isc_result_t omapi_protocol_send_status (omapi_object_t *po, |
686 | omapi_object_t *id, | |
687 | isc_result_t waitstatus, | |
b1b7b521 | 688 | unsigned rid, const char *msg) |
5a8e13c6 TL |
689 | { |
690 | isc_result_t status; | |
691 | omapi_object_t *message = (omapi_object_t *)0; | |
692 | ||
693 | if (po -> type != omapi_type_protocol) | |
694 | return ISC_R_INVALIDARG; | |
695 | ||
4bd8800e | 696 | status = omapi_message_new (&message, MDL); |
5a8e13c6 TL |
697 | if (status != ISC_R_SUCCESS) |
698 | return status; | |
699 | ||
700 | status = omapi_set_int_value (message, (omapi_object_t *)0, | |
701 | "op", OMAPI_OP_STATUS); | |
702 | if (status != ISC_R_SUCCESS) { | |
4bd8800e | 703 | omapi_object_dereference (&message, MDL); |
5a8e13c6 TL |
704 | return status; |
705 | } | |
706 | ||
707 | status = omapi_set_int_value (message, (omapi_object_t *)0, | |
b1b7b521 | 708 | "rid", (int)rid); |
5a8e13c6 | 709 | if (status != ISC_R_SUCCESS) { |
4bd8800e | 710 | omapi_object_dereference (&message, MDL); |
5a8e13c6 TL |
711 | return status; |
712 | } | |
713 | ||
714 | status = omapi_set_int_value (message, (omapi_object_t *)0, | |
b1b7b521 | 715 | "result", (int)waitstatus); |
5a8e13c6 | 716 | if (status != ISC_R_SUCCESS) { |
4bd8800e | 717 | omapi_object_dereference (&message, MDL); |
5a8e13c6 TL |
718 | return status; |
719 | } | |
720 | ||
721 | /* If a message has been provided, send it. */ | |
722 | if (msg) { | |
723 | status = omapi_set_string_value (message, (omapi_object_t *)0, | |
724 | "message", msg); | |
725 | if (status != ISC_R_SUCCESS) { | |
4bd8800e | 726 | omapi_object_dereference (&message, MDL); |
5a8e13c6 TL |
727 | return status; |
728 | } | |
729 | } | |
730 | ||
731 | return omapi_protocol_send_message (po, | |
732 | id, message, (omapi_object_t *)0); | |
733 | } | |
734 | ||
735 | isc_result_t omapi_protocol_send_update (omapi_object_t *po, | |
736 | omapi_object_t *id, | |
b1b7b521 | 737 | unsigned rid, |
5a8e13c6 TL |
738 | omapi_object_t *object) |
739 | { | |
740 | isc_result_t status; | |
741 | omapi_object_t *message = (omapi_object_t *)0; | |
742 | ||
743 | if (po -> type != omapi_type_protocol) | |
744 | return ISC_R_INVALIDARG; | |
745 | ||
4bd8800e | 746 | status = omapi_message_new (&message, MDL); |
5a8e13c6 TL |
747 | if (status != ISC_R_SUCCESS) |
748 | return status; | |
749 | ||
750 | status = omapi_set_int_value (message, (omapi_object_t *)0, | |
751 | "op", OMAPI_OP_UPDATE); | |
752 | if (status != ISC_R_SUCCESS) { | |
4bd8800e | 753 | omapi_object_dereference (&message, MDL); |
5a8e13c6 TL |
754 | return status; |
755 | } | |
756 | ||
757 | if (rid) { | |
e5bbe4da | 758 | omapi_handle_t handle; |
5a8e13c6 | 759 | status = omapi_set_int_value (message, (omapi_object_t *)0, |
b1b7b521 | 760 | "rid", (int)rid); |
5a8e13c6 | 761 | if (status != ISC_R_SUCCESS) { |
4bd8800e | 762 | omapi_object_dereference (&message, MDL); |
5a8e13c6 TL |
763 | return status; |
764 | } | |
e5bbe4da | 765 | |
5a8e13c6 TL |
766 | status = omapi_object_handle (&handle, object); |
767 | if (status != ISC_R_SUCCESS) { | |
4bd8800e | 768 | omapi_object_dereference (&message, MDL); |
5a8e13c6 TL |
769 | return status; |
770 | } | |
771 | status = omapi_set_int_value (message, (omapi_object_t *)0, | |
b1b7b521 | 772 | "handle", (int)handle); |
5a8e13c6 | 773 | if (status != ISC_R_SUCCESS) { |
4bd8800e | 774 | omapi_object_dereference (&message, MDL); |
5a8e13c6 TL |
775 | return status; |
776 | } | |
777 | } | |
778 | ||
779 | status = omapi_set_object_value (message, (omapi_object_t *)0, | |
780 | "object", object); | |
781 | if (status != ISC_R_SUCCESS) { | |
4bd8800e | 782 | omapi_object_dereference (&message, MDL); |
5a8e13c6 TL |
783 | return status; |
784 | } | |
785 | ||
786 | return omapi_protocol_send_message (po, | |
787 | id, message, (omapi_object_t *)0); | |
788 | } |