Mercurial > hg > freeDiameter
annotate libfreeDiameter/messages.c @ 637:22e8fac3b2d6
Split interface file in modules
author | Sebastien Decugis <sdecugis@nict.go.jp> |
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date | Thu, 16 Dec 2010 18:56:41 +0900 |
parents | bb8a4fa301b3 |
children | 9448cba86673 |
rev | line source |
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0 | 1 /********************************************************************************************************* |
2 * Software License Agreement (BSD License) * | |
3 * Author: Sebastien Decugis <sdecugis@nict.go.jp> * | |
4 * * | |
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5 * Copyright (c) 2010, WIDE Project and NICT * |
0 | 6 * All rights reserved. * |
7 * * | |
8 * Redistribution and use of this software in source and binary forms, with or without modification, are * | |
9 * permitted provided that the following conditions are met: * | |
10 * * | |
11 * * Redistributions of source code must retain the above * | |
12 * copyright notice, this list of conditions and the * | |
13 * following disclaimer. * | |
14 * * | |
15 * * Redistributions in binary form must reproduce the above * | |
16 * copyright notice, this list of conditions and the * | |
17 * following disclaimer in the documentation and/or other * | |
18 * materials provided with the distribution. * | |
19 * * | |
20 * * Neither the name of the WIDE Project or NICT nor the * | |
21 * names of its contributors may be used to endorse or * | |
22 * promote products derived from this software without * | |
23 * specific prior written permission of WIDE Project and * | |
24 * NICT. * | |
25 * * | |
26 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED * | |
27 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A * | |
28 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR * | |
29 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * | |
30 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * | |
31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR * | |
32 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * | |
33 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * | |
34 *********************************************************************************************************/ | |
35 | |
36 /* Messages module. | |
37 * | |
38 * This module allows to manipulate the msg and avp structures that represents a Diameter message in memory. | |
39 */ | |
40 | |
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41 #include "libfD.h" |
0 | 42 |
43 #include <sys/param.h> | |
44 | |
45 /* Type of object */ | |
46 enum msg_objtype { | |
47 MSG_MSG = 1, | |
48 MSG_AVP | |
49 }; | |
50 | |
51 /* Chaining of elements as a free hierarchy */ | |
52 struct msg_avp_chain { | |
53 struct fd_list chaining; /* Chaining information at this level. */ | |
54 struct fd_list children; /* sentinel for the children of this object */ | |
55 enum msg_objtype type; /* Type of this object, _MSG_MSG or _MSG_AVP */ | |
56 }; | |
57 | |
58 /* Return the chain information from an AVP or MSG. Since it's the first field, we just cast */ | |
59 #define _C(_x) ((struct msg_avp_chain *)(_x)) | |
60 | |
61 /* Some details about chaining: | |
62 * | |
63 * A message is made of a header ( msg ) and 0 or more AVPs ( avp ). | |
64 * The structure is a kind of tree, where some AVPs (grouped AVPs) can contain other AVPs. | |
65 * Exemple: | |
66 * msg | |
67 * |-avp | |
68 * |-gavp | |
69 * | |-avp | |
70 * | |-avp | |
71 * | \-avp | |
72 * |-avp | |
73 * \-avp | |
74 * | |
75 * Each item (msg or avp) structure begins with a msg_avp_chain structure. | |
76 * The element at the top of the hierarchy (msg in our example) has all the fields of its "chaining" equal to the same value. | |
77 * | |
78 * All elements at the same level are linked by their "chaining" list. | |
79 * The "children" list is the sentinel for the lists of children of this element. | |
80 */ | |
81 | |
82 /* The following definitions are used to recognize objects in memory. */ | |
83 #define MSG_MSG_EYEC (0x11355463) | |
84 #define MSG_AVP_EYEC (0x11355467) | |
85 | |
86 /* The following structure represents an AVP instance. */ | |
87 struct avp { | |
88 struct msg_avp_chain avp_chain; /* Chaining information of this AVP */ | |
89 int avp_eyec; /* Must be equal to MSG_AVP_EYEC */ | |
90 struct dict_object *avp_model; /* If not NULL, pointer to the dictionary object of this avp */ | |
91 struct avp_hdr avp_public; /* AVP data that can be managed by other modules */ | |
92 | |
93 uint8_t *avp_source; /* If the message was parsed from a buffer, pointer to the AVP data start in the buffer. */ | |
94 uint8_t *avp_rawdata; /* when the data can not be interpreted, the raw data is copied here. The header is not part of it. */ | |
95 size_t avp_rawlen; /* The length of the raw buffer. */ | |
96 union avp_value avp_storage; /* To avoid many alloc/free, store the integer values here and set avp_public.avp_data to &storage */ | |
97 int avp_mustfreeos; /* 1 if an octetstring is malloc'd in avp_storage and must be freed. */ | |
98 }; | |
99 | |
100 /* Macro to compute the AVP header size */ | |
101 #define AVPHDRSZ_NOVEND 8 | |
102 #define AVPHDRSZ_VENDOR 12 | |
103 #define GETAVPHDRSZ( _flag ) ((_flag & AVP_FLAG_VENDOR) ? AVPHDRSZ_VENDOR : AVPHDRSZ_NOVEND) | |
104 | |
105 /* Macro to cast a msg_avp_t */ | |
106 #define _A(_x) ((struct avp *)(_x)) | |
107 /* Check the type and eyecatcher */ | |
108 #define CHECK_AVP(_x) ((_C(_x)->type == MSG_AVP) && (_A(_x)->avp_eyec == MSG_AVP_EYEC)) | |
109 | |
110 /* The following structure represents an instance of a message (command and children AVPs). */ | |
111 struct msg { | |
112 struct msg_avp_chain msg_chain; /* List of the AVPs in the message */ | |
113 int msg_eyec; /* Must be equal to MSG_MSG_EYEC */ | |
114 struct dict_object *msg_model; /* If not NULL, pointer to the dictionary object of this message */ | |
115 struct msg_hdr msg_public; /* Message data that can be managed by extensions. */ | |
116 | |
117 uint8_t *msg_rawbuffer; /* data buffer that was received, saved during fd_msg_parse_buffer and freed in fd_msg_parse_dict */ | |
118 int msg_routable; /* Is this a routable message? (0: undef, 1: routable, 2: non routable) */ | |
119 struct msg *msg_query; /* the associated query if the message is a received answer */ | |
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120 int msg_associated; /* and the counter part information in the query, to avoid double free */ |
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121 struct rt_data *msg_rtdata; /* Routing list for the query */ |
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122 struct session *msg_sess; /* Cached message session if any */ |
0 | 123 struct { |
124 void (*fct)(void *, struct msg **); | |
125 void * data; | |
126 } msg_cb; /* Callback to be called when an answer is received, if not NULL */ | |
127 char * msg_src_id; /* Diameter Id of the peer this message was received from. This string is malloc'd and must be freed */ | |
128 }; | |
129 | |
130 /* Macro to compute the message header size */ | |
131 #define GETMSGHDRSZ() 20 | |
132 | |
133 /* Macro to cast a msg_avp_t */ | |
134 #define _M(_x) ((struct msg *)(_x)) | |
135 /* Check the type and eyecatcher */ | |
136 #define CHECK_MSG(_x) ((_C(_x)->type == MSG_MSG) && (_M(_x)->msg_eyec == MSG_MSG_EYEC)) | |
137 | |
138 #define VALIDATE_OBJ(_x) ( (CHECK_MSG(_x)) || (CHECK_AVP(_x)) ) | |
139 | |
140 | |
141 /* Macro to validate a MSGFL_ value */ | |
142 #define CHECK_MSGFL(_fl) ( ((_fl) & (- (MSGFL_MAX << 1) )) == 0 ) | |
143 | |
144 | |
145 /* initial sizes of AVP from their types, in bytes. */ | |
146 static int avp_value_sizes[] = { | |
147 0, /* AVP_TYPE_GROUPED: size is dynamic */ | |
148 0, /* AVP_TYPE_OCTETSTRING: size is dynamic */ | |
149 4, /* AVP_TYPE_INTEGER32: size is 32 bits */ | |
150 8, /* AVP_TYPE_INTEGER64: size is 64 bits */ | |
151 4, /* AVP_TYPE_UNSIGNED32: size is 32 bits */ | |
152 8, /* AVP_TYPE_UNSIGNED64: size is 64 bits */ | |
153 4, /* AVP_TYPE_FLOAT32: size is 32 bits */ | |
154 8 /* AVP_TYPE_FLOAT64: size is 64 bits */ | |
155 }; | |
156 #define CHECK_BASETYPE( _type ) ( ((_type) <= AVP_TYPE_MAX) && ((_type) >= 0) ) | |
157 #define GETINITIALSIZE( _type, _vend ) (avp_value_sizes[ CHECK_BASETYPE(_type) ? (_type) : 0] + GETAVPHDRSZ(_vend)) | |
158 | |
159 /* Forward declaration */ | |
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160 static int parsedict_do_msg(struct dictionary * dict, struct msg * msg, int only_hdr, struct fd_pei *error_info); |
0 | 161 |
162 /***************************************************************************************************************/ | |
163 /* Creating objects */ | |
164 | |
165 /* Initialize a msg_avp_chain structure */ | |
166 static void init_chain(struct msg_avp_chain * chain, int type) | |
167 { | |
168 fd_list_init( &chain->chaining, (void *)chain); | |
169 fd_list_init( &chain->children, (void *)chain); | |
170 chain->type = type; | |
171 } | |
172 | |
173 /* Initialize a new AVP object */ | |
174 static void init_avp ( struct avp * avp ) | |
175 { | |
176 TRACE_ENTRY("%p", avp); | |
177 | |
178 memset(avp, 0, sizeof(struct avp)); | |
179 init_chain( &avp->avp_chain, MSG_AVP); | |
180 avp->avp_eyec = MSG_AVP_EYEC; | |
181 } | |
182 | |
183 /* Initialize a new MSG object */ | |
184 static void init_msg ( struct msg * msg ) | |
185 { | |
186 TRACE_ENTRY("%p", msg); | |
187 | |
188 memset(msg, 0, sizeof(struct msg)); | |
189 init_chain( &msg->msg_chain, MSG_MSG); | |
190 msg->msg_eyec = MSG_MSG_EYEC; | |
191 } | |
192 | |
193 | |
194 /* Create a new AVP instance */ | |
195 int fd_msg_avp_new ( struct dict_object * model, int flags, struct avp ** avp ) | |
196 { | |
197 struct avp *new = NULL; | |
198 | |
199 TRACE_ENTRY("%p %x %p", model, flags, avp); | |
200 | |
201 /* Check the parameters */ | |
202 CHECK_PARAMS( avp && CHECK_MSGFL(flags) ); | |
203 | |
204 if (model) { | |
205 enum dict_object_type dicttype; | |
206 CHECK_PARAMS( (fd_dict_gettype(model, &dicttype) == 0) && (dicttype == DICT_AVP) ); | |
207 } | |
208 | |
209 /* Create a new object */ | |
210 CHECK_MALLOC( new = malloc (sizeof(struct avp)) ); | |
211 | |
212 /* Initialize the fields */ | |
213 init_avp(new); | |
214 | |
215 if (model) { | |
216 struct dict_avp_data dictdata; | |
217 | |
218 CHECK_FCT( fd_dict_getval(model, &dictdata) ); | |
219 | |
220 new->avp_model = model; | |
221 new->avp_public.avp_code = dictdata.avp_code; | |
222 new->avp_public.avp_flags = dictdata.avp_flag_val; | |
223 new->avp_public.avp_len = GETINITIALSIZE(dictdata.avp_basetype, dictdata.avp_flag_val ); | |
224 new->avp_public.avp_vendor = dictdata.avp_vendor; | |
225 } | |
226 | |
227 /* The new object is ready, return */ | |
228 *avp = new; | |
229 return 0; | |
230 } | |
231 | |
232 /* Create a new message instance */ | |
233 int fd_msg_new ( struct dict_object * model, int flags, struct msg ** msg ) | |
234 { | |
235 struct msg * new = NULL; | |
236 | |
237 TRACE_ENTRY("%p %x %p", model, flags, msg); | |
238 | |
239 /* Check the parameters */ | |
240 CHECK_PARAMS( msg && CHECK_MSGFL(flags) ); | |
241 | |
242 if (model) { | |
243 enum dict_object_type dicttype; | |
244 CHECK_PARAMS( (fd_dict_gettype(model, &dicttype) == 0) && (dicttype == DICT_COMMAND) ); | |
245 } | |
246 | |
247 /* Create a new object */ | |
248 CHECK_MALLOC( new = malloc (sizeof(struct msg)) ); | |
249 | |
250 /* Initialize the fields */ | |
251 init_msg(new); | |
252 new->msg_public.msg_version = DIAMETER_VERSION; | |
253 new->msg_public.msg_length = GETMSGHDRSZ(); /* This will be updated later */ | |
254 | |
255 if (model) { | |
256 struct dictionary *dict; | |
257 struct dict_cmd_data dictdata; | |
258 struct dict_object *dictappl; | |
259 | |
260 CHECK_FCT( fd_dict_getdict(model, &dict) ); | |
261 CHECK_FCT( fd_dict_getval(model, &dictdata) ); | |
262 | |
263 new->msg_model = model; | |
264 new->msg_public.msg_flags = dictdata.cmd_flag_val; | |
265 new->msg_public.msg_code = dictdata.cmd_code; | |
266 | |
267 /* Initialize application from the parent, if any */ | |
268 CHECK_FCT( fd_dict_search( dict, DICT_APPLICATION, APPLICATION_OF_COMMAND, model, &dictappl, 0) ); | |
269 if (dictappl != NULL) { | |
270 struct dict_application_data appdata; | |
271 CHECK_FCT( fd_dict_getval(dictappl, &appdata) ); | |
272 new->msg_public.msg_appl = appdata.application_id; | |
273 } | |
274 } | |
275 | |
276 if (flags & MSGFL_ALLOC_ETEID) { | |
277 new->msg_public.msg_eteid = fd_msg_eteid_get(); | |
278 } | |
279 | |
280 /* The new object is ready, return */ | |
281 *msg = new; | |
282 return 0; | |
283 } | |
284 | |
285 /* Create answer from a request */ | |
286 int fd_msg_new_answer_from_req ( struct dictionary * dict, struct msg ** msg, int flags ) | |
287 { | |
288 struct dict_object * model = NULL; | |
289 struct msg *qry, *ans; | |
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290 struct session * sess = NULL; |
0 | 291 |
292 TRACE_ENTRY("%p %x", msg, flags); | |
293 | |
294 /* Check the parameters */ | |
295 CHECK_PARAMS( msg ); | |
296 qry = *msg; | |
297 CHECK_PARAMS( CHECK_MSG(qry) && (qry->msg_public.msg_flags & CMD_FLAG_REQUEST) ); | |
298 | |
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299 if (! (flags & MSGFL_ANSW_NOSID)) { |
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300 /* Get the session of the message */ |
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301 CHECK_FCT_DO( fd_msg_sess_get(dict, qry, &sess, NULL), /* ignore an error */ ); |
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302 } |
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303 |
0 | 304 /* Find the model for the answer */ |
305 if (flags & MSGFL_ANSW_ERROR) { | |
306 /* The model is the generic error format */ | |
307 CHECK_FCT( fd_dict_get_error_cmd(dict, &model) ); | |
308 } else { | |
309 /* The model is the answer corresponding to the query. It supposes that these are defined in the dictionary */ | |
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310 CHECK_FCT_DO( parsedict_do_msg( dict, qry, 1, NULL), /* continue */ ); |
0 | 311 if (qry->msg_model) { |
312 CHECK_FCT( fd_dict_search ( dict, DICT_COMMAND, CMD_ANSWER, qry->msg_model, &model, EINVAL ) ); | |
313 } | |
314 } | |
315 | |
316 /* Create the answer */ | |
317 CHECK_FCT( fd_msg_new( model, flags, &ans ) ); | |
318 | |
319 /* Set informations in the answer as in the query */ | |
320 ans->msg_public.msg_code = qry->msg_public.msg_code; /* useful for MSGFL_ANSW_ERROR */ | |
321 ans->msg_public.msg_appl = qry->msg_public.msg_appl; | |
322 ans->msg_public.msg_eteid = qry->msg_public.msg_eteid; | |
323 ans->msg_public.msg_hbhid = qry->msg_public.msg_hbhid; | |
324 | |
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325 /* Add the Session-Id AVP if session is known */ |
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326 if (sess && dict) { |
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327 struct dict_object * sess_id_avp; |
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328 char * sid; |
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329 struct avp * avp; |
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330 union avp_value val; |
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331 |
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332 CHECK_FCT( fd_dict_search( dict, DICT_AVP, AVP_BY_NAME, "Session-Id", &sess_id_avp, ENOENT) ); |
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333 CHECK_FCT( fd_sess_getsid ( sess, &sid ) ); |
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334 CHECK_FCT( fd_msg_avp_new ( sess_id_avp, 0, &avp ) ); |
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335 val.os.data = (unsigned char *)sid; |
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336 val.os.len = strlen(sid); |
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337 CHECK_FCT( fd_msg_avp_setvalue( avp, &val ) ); |
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338 CHECK_FCT( fd_msg_avp_add( ans, MSG_BRW_FIRST_CHILD, avp ) ); |
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339 ans->msg_sess = sess; |
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340 CHECK_FCT( fd_sess_ref_msg(sess) ); |
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341 } |
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342 |
0 | 343 /* associate with query */ |
344 ans->msg_query = qry; | |
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345 qry->msg_associated = 1; |
0 | 346 |
347 /* Done */ | |
348 *msg = ans; | |
349 return 0; | |
350 } | |
351 | |
352 /***************************************************************************************************************/ | |
353 | |
354 /* Explore a message */ | |
355 int fd_msg_browse_internal ( msg_or_avp * reference, enum msg_brw_dir dir, msg_or_avp ** found, int * depth ) | |
356 { | |
357 struct msg_avp_chain *result = NULL; | |
358 int diff = 0; | |
359 struct fd_list *li = NULL; | |
360 | |
361 TRACE_ENTRY("%p %d %p %p", reference, dir, found, depth); | |
362 | |
363 /* Initialize the "found" result if any */ | |
364 if (found) | |
365 *found = NULL; | |
366 | |
367 /* Check the parameters */ | |
368 CHECK_PARAMS( VALIDATE_OBJ(reference) ); | |
369 | |
370 TRACE_DEBUG(FCTS, "chaining(%p): nxt:%p prv:%p hea:%p top:%p", | |
371 &_C(reference)->chaining, | |
372 _C(reference)->chaining.next, | |
373 _C(reference)->chaining.prev, | |
374 _C(reference)->chaining.head, | |
375 _C(reference)->chaining.o); | |
376 TRACE_DEBUG(FCTS, "children(%p): nxt:%p prv:%p hea:%p top:%p", | |
377 &_C(reference)->children, | |
378 _C(reference)->children.next, | |
379 _C(reference)->children.prev, | |
380 _C(reference)->children.head, | |
381 _C(reference)->children.o); | |
382 | |
383 /* Now search */ | |
384 switch (dir) { | |
385 case MSG_BRW_NEXT: | |
386 /* Check the reference is an AVP */ | |
387 CHECK_PARAMS( _C(reference)->type == MSG_AVP ); | |
388 | |
389 li = &_C(reference)->chaining; | |
390 | |
391 /* Check if the next element is not the sentinel ( ==> the parent) */ | |
392 if (li->next != li->head) | |
393 result = _C(li->next->o); | |
394 break; | |
395 | |
396 case MSG_BRW_PREV: | |
397 /* Check the reference is an AVP */ | |
398 CHECK_PARAMS( _C(reference)->type == MSG_AVP ); | |
399 | |
400 li = &_C(reference)->chaining; | |
401 | |
402 /* Check if the prev element is not the sentinel ( ==> the parent) */ | |
403 if (li->prev != li->head) | |
404 result = _C(li->prev->o); | |
405 break; | |
406 | |
407 case MSG_BRW_FIRST_CHILD: | |
408 li = &_C(reference)->children; | |
409 if (! FD_IS_LIST_EMPTY(li)) { | |
410 result = _C(li->next->o); | |
411 diff = 1; | |
412 } | |
413 break; | |
414 | |
415 case MSG_BRW_LAST_CHILD: | |
416 li = &_C(reference)->children; | |
417 if (! FD_IS_LIST_EMPTY(li)) { | |
418 result = _C(li->prev->o); | |
419 diff = 1; | |
420 } | |
421 break; | |
422 | |
423 case MSG_BRW_PARENT: | |
424 /* If the object is not chained, it has no parent */ | |
425 li = &_C(reference)->chaining; | |
426 if (li != li->head) { | |
427 /* The sentinel is the parent's children list */ | |
428 result = _C(li->head->o); | |
429 diff = -1; | |
430 } | |
431 break; | |
432 | |
433 case MSG_BRW_WALK: | |
434 /* First, try to find a child */ | |
435 li = &_C(reference)->children; | |
436 if ( ! FD_IS_LIST_EMPTY(li) ) { | |
437 result = _C(li->next->o); | |
438 diff = 1; | |
439 break; | |
440 } | |
441 | |
442 /* Then try to find a "next" at this level or one of the parent's */ | |
443 li = &_C(reference)->chaining; | |
444 do { | |
445 /* If this element has a "next" element, return it */ | |
446 if (li->next != li->head) { | |
447 result = _C(li->next->o); | |
448 break; | |
449 } | |
450 /* otherwise, check if we have a parent */ | |
451 if (li == li->head) { | |
452 /* no parent */ | |
453 break; | |
454 } | |
455 /* Go to the parent's chaining information and loop */ | |
456 diff -= 1; | |
457 li = &_C(li->head->o)->chaining; | |
458 } while (1); | |
459 break; | |
460 | |
461 default: | |
462 /* Other directions are invalid */ | |
463 CHECK_PARAMS( dir = 0 ); | |
464 } | |
465 | |
466 /* Save the found object, if any */ | |
467 if (found && result) | |
468 *found = (void *)result; | |
469 | |
470 /* Modify the depth according to the walk direction */ | |
471 if (depth && diff) | |
472 (*depth) += diff; | |
473 | |
474 /* Return ENOENT if found was NULL */ | |
475 if ((!found) && (!result)) | |
476 return ENOENT; | |
477 else | |
478 return 0; | |
479 } | |
480 | |
481 /* Add an AVP into a tree */ | |
482 int fd_msg_avp_add ( msg_or_avp * reference, enum msg_brw_dir dir, struct avp *avp) | |
483 { | |
484 TRACE_ENTRY("%p %d %p", reference, dir, avp); | |
485 | |
486 /* Check the parameters */ | |
487 CHECK_PARAMS( VALIDATE_OBJ(reference) && CHECK_AVP(avp) && FD_IS_LIST_EMPTY(&avp->avp_chain.chaining) ); | |
488 | |
489 /* Now insert */ | |
490 switch (dir) { | |
491 case MSG_BRW_NEXT: | |
492 /* Check the reference is an AVP -- we do not chain AVPs at same level as msgs. */ | |
493 CHECK_PARAMS( _C(reference)->type == MSG_AVP ); | |
494 | |
495 /* Insert the new avp after the reference */ | |
496 fd_list_insert_after( &_A(reference)->avp_chain.chaining, &avp->avp_chain.chaining ); | |
497 break; | |
498 | |
499 case MSG_BRW_PREV: | |
500 /* Check the reference is an AVP */ | |
501 CHECK_PARAMS( _C(reference)->type == MSG_AVP ); | |
502 | |
503 /* Insert the new avp before the reference */ | |
504 fd_list_insert_before( &_A(reference)->avp_chain.chaining, &avp->avp_chain.chaining ); | |
505 break; | |
506 | |
507 case MSG_BRW_FIRST_CHILD: | |
508 /* Insert the new avp after the children sentinel */ | |
509 fd_list_insert_after( &_C(reference)->children, &avp->avp_chain.chaining ); | |
510 break; | |
511 | |
512 case MSG_BRW_LAST_CHILD: | |
513 /* Insert the new avp before the children sentinel */ | |
514 fd_list_insert_before( &_C(reference)->children, &avp->avp_chain.chaining ); | |
515 break; | |
516 | |
517 default: | |
518 /* Other directions are invalid */ | |
519 CHECK_PARAMS( dir = 0 ); | |
520 } | |
521 | |
522 return 0; | |
523 } | |
524 | |
525 /* Search a given AVP model in a message */ | |
526 int fd_msg_search_avp ( struct msg * msg, struct dict_object * what, struct avp ** avp ) | |
527 { | |
528 struct avp * nextavp; | |
529 struct dict_avp_data dictdata; | |
530 enum dict_object_type dicttype; | |
531 | |
532 TRACE_ENTRY("%p %p %p", msg, what, avp); | |
533 | |
534 CHECK_PARAMS( CHECK_MSG(msg) && what ); | |
535 | |
536 CHECK_PARAMS( (fd_dict_gettype(what, &dicttype) == 0) && (dicttype == DICT_AVP) ); | |
537 CHECK_FCT( fd_dict_getval(what, &dictdata) ); | |
538 | |
539 /* Loop on all top AVPs */ | |
540 CHECK_FCT( fd_msg_browse(msg, MSG_BRW_FIRST_CHILD, (void *)&nextavp, NULL) ); | |
541 while (nextavp) { | |
542 | |
543 if ( (nextavp->avp_public.avp_code == dictdata.avp_code) | |
544 && (nextavp->avp_public.avp_vendor == dictdata.avp_vendor) ) /* always 0 if no V flag */ | |
545 break; | |
546 | |
547 /* Otherwise move to next AVP in the message */ | |
548 CHECK_FCT( fd_msg_browse(nextavp, MSG_BRW_NEXT, (void *)&nextavp, NULL) ); | |
549 } | |
550 | |
551 if (avp) | |
552 *avp = nextavp; | |
553 | |
554 if (avp && nextavp) { | |
555 struct dictionary * dict; | |
556 CHECK_FCT( fd_dict_getdict( what, &dict) ); | |
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557 CHECK_FCT_DO( fd_msg_parse_dict( nextavp, dict, NULL ), /* nothing */ ); |
0 | 558 } |
559 | |
560 if (avp || nextavp) | |
561 return 0; | |
562 else | |
563 return ENOENT; | |
564 } | |
565 | |
566 | |
567 /***************************************************************************************************************/ | |
568 /* Deleting objects */ | |
569 | |
570 /* Destroy and free an AVP or message */ | |
571 static int destroy_obj (struct msg_avp_chain * obj ) | |
572 { | |
573 TRACE_ENTRY("%p", obj); | |
574 | |
575 /* Check the parameter is a valid object */ | |
576 CHECK_PARAMS( VALIDATE_OBJ(obj) && FD_IS_LIST_EMPTY( &obj->children ) ); | |
577 | |
578 /* Unlink this object if needed */ | |
579 fd_list_unlink( &obj->chaining ); | |
580 | |
581 /* Free the octetstring if needed */ | |
582 if ((obj->type == MSG_AVP) && (_A(obj)->avp_mustfreeos == 1)) { | |
583 free(_A(obj)->avp_storage.os.data); | |
584 } | |
585 /* Free the rawdata if needed */ | |
586 if ((obj->type == MSG_AVP) && (_A(obj)->avp_rawdata != NULL)) { | |
587 free(_A(obj)->avp_rawdata); | |
588 } | |
589 if ((obj->type == MSG_MSG) && (_M(obj)->msg_rawbuffer != NULL)) { | |
590 free(_M(obj)->msg_rawbuffer); | |
591 } | |
592 | |
593 if ((obj->type == MSG_MSG) && (_M(obj)->msg_src_id != NULL)) { | |
594 free(_M(obj)->msg_src_id); | |
595 } | |
596 | |
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597 if ((obj->type == MSG_MSG) && (_M(obj)->msg_rtdata != NULL)) { |
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598 fd_rtd_free(&_M(obj)->msg_rtdata); |
0 | 599 } |
600 | |
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601 if ((obj->type == MSG_MSG) && (_M(obj)->msg_sess != NULL)) { |
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602 CHECK_FCT_DO( fd_sess_reclaim_msg ( &_M(obj)->msg_sess ), /* continue */); |
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603 } |
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604 |
0 | 605 /* free the object */ |
606 free(obj); | |
607 | |
608 return 0; | |
609 } | |
610 | |
611 /* Destroy an object and all its children */ | |
612 static void destroy_tree(struct msg_avp_chain * obj) | |
613 { | |
614 struct fd_list *rem; | |
615 | |
616 TRACE_ENTRY("%p", obj); | |
617 | |
618 /* Destroy any subtree */ | |
619 while ( (rem = obj->children.next) != &obj->children) | |
620 destroy_tree(_C(rem->o)); | |
621 | |
622 /* Then unlink and destroy the object */ | |
623 CHECK_FCT_DO( destroy_obj(obj), /* nothing */ ); | |
624 } | |
625 | |
626 /* Free an object and its tree */ | |
627 int fd_msg_free ( msg_or_avp * object ) | |
628 { | |
629 TRACE_ENTRY("%p", object); | |
630 | |
631 if (CHECK_MSG(object)) { | |
632 if (_M(object)->msg_query) { | |
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633 _M(_M(object)->msg_query)->msg_associated = 0; |
0 | 634 CHECK_FCT( fd_msg_free( _M(object)->msg_query ) ); |
635 _M(object)->msg_query = NULL; | |
637
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636 } else { |
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637 if (_M(object)->msg_associated) { |
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638 TRACE_DEBUG(INFO, "Not freeing query %p referenced in an answer (will be freed along the answer).", object); |
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639 return 0; |
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640 } |
0 | 641 } |
642 } | |
643 | |
644 destroy_tree(_C(object)); | |
645 return 0; | |
646 } | |
647 | |
648 | |
649 /***************************************************************************************************************/ | |
650 /* Debug functions: dumping */ | |
651 | |
652 /* indent inside an object */ | |
653 #define INOBJHDR "%*s " | |
654 #define INOBJHDRVAL indent<0 ? 1 : indent, indent<0 ? "-" : "|" | |
655 | |
656 /* Dump a msg_t object */ | |
657 static void obj_dump_msg (struct msg * msg, int indent ) | |
658 { | |
659 int ret = 0; | |
660 | |
661 fd_log_debug("%*sMSG: %p\n", INOBJHDRVAL, msg); | |
662 | |
663 if (!CHECK_MSG(msg)) { | |
664 fd_log_debug(INOBJHDR "INVALID!\n", INOBJHDRVAL); | |
665 return; | |
666 } | |
667 | |
668 if (!msg->msg_model) { | |
669 | |
670 fd_log_debug(INOBJHDR "(no model)\n", INOBJHDRVAL); | |
671 | |
672 } else { | |
673 | |
674 enum dict_object_type dicttype; | |
675 struct dict_cmd_data dictdata; | |
676 ret = fd_dict_gettype(msg->msg_model, &dicttype); | |
677 if (ret || (dicttype != DICT_COMMAND)) { | |
678 fd_log_debug(INOBJHDR "(invalid model: %d %d)\n", INOBJHDRVAL, ret, dicttype); | |
679 goto public; | |
680 } | |
681 ret = fd_dict_getval(msg->msg_model, &dictdata); | |
682 if (ret != 0) { | |
683 fd_log_debug(INOBJHDR "(error getting model data: %s)\n", INOBJHDRVAL, strerror(ret)); | |
684 goto public; | |
685 } | |
686 fd_log_debug(INOBJHDR "model : v/m:" DUMP_CMDFL_str "/" DUMP_CMDFL_str ", %u \"%s\"\n", INOBJHDRVAL, | |
687 DUMP_CMDFL_val(dictdata.cmd_flag_val), DUMP_CMDFL_val(dictdata.cmd_flag_mask), dictdata.cmd_code, dictdata.cmd_name); | |
688 } | |
689 public: | |
690 fd_log_debug(INOBJHDR "public: V:%d L:%d fl:" DUMP_CMDFL_str " CC:%u A:%d hi:%x ei:%x\n", INOBJHDRVAL, | |
691 msg->msg_public.msg_version, | |
692 msg->msg_public.msg_length, | |
693 DUMP_CMDFL_val(msg->msg_public.msg_flags), | |
694 msg->msg_public.msg_code, | |
695 msg->msg_public.msg_appl, | |
696 msg->msg_public.msg_hbhid, | |
697 msg->msg_public.msg_eteid | |
698 ); | |
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699 fd_log_debug(INOBJHDR "intern: rwb:%p rt:%d cb:%p(%p) qry:%p asso:%d sess:%p src:%s\n", |
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700 INOBJHDRVAL, msg->msg_rawbuffer, msg->msg_routable, msg->msg_cb.fct, msg->msg_cb.data, msg->msg_query, msg->msg_associated, msg->msg_sess, msg->msg_src_id?:"(nil)"); |
0 | 701 } |
702 | |
703 /* Dump an avp object */ | |
704 static void obj_dump_avp ( struct avp * avp, int indent ) | |
705 { | |
706 int ret = 0; | |
707 enum dict_avp_basetype type = -1; | |
708 | |
709 if (!CHECK_AVP(avp)) { | |
710 fd_log_debug(INOBJHDR "INVALID!\n", INOBJHDRVAL); | |
711 return; | |
712 } | |
713 | |
714 if (!avp->avp_model) { | |
715 | |
716 fd_log_debug(INOBJHDR "(no model)\n", INOBJHDRVAL); | |
717 | |
718 } else { | |
719 | |
720 enum dict_object_type dicttype; | |
721 struct dict_avp_data dictdata; | |
722 ret = fd_dict_gettype(avp->avp_model, &dicttype); | |
723 if (ret || (dicttype != DICT_AVP)) { | |
724 fd_log_debug(INOBJHDR "(invalid model: %d %d)\n", INOBJHDRVAL, ret, dicttype); | |
725 goto public; | |
726 } | |
727 ret = fd_dict_getval(avp->avp_model, &dictdata); | |
728 if (ret != 0) { | |
729 fd_log_debug(INOBJHDR "(error getting model data: %s)\n", INOBJHDRVAL, strerror(ret)); | |
730 goto public; | |
731 } | |
732 fd_log_debug(INOBJHDR "model : v/m:" DUMP_AVPFL_str "/" DUMP_AVPFL_str ", %12s, %u \"%s\"\n", INOBJHDRVAL, | |
733 DUMP_AVPFL_val(dictdata.avp_flag_val), | |
734 DUMP_AVPFL_val(dictdata.avp_flag_mask), | |
735 type_base_name[dictdata.avp_basetype], | |
736 dictdata.avp_code, | |
737 dictdata.avp_name ); | |
738 type = dictdata.avp_basetype; | |
739 } | |
740 public: | |
741 fd_log_debug(INOBJHDR "public: C:%u fl:" DUMP_AVPFL_str " L:%d V:%u data:@%p\n", INOBJHDRVAL, | |
742 avp->avp_public.avp_code, | |
743 DUMP_AVPFL_val(avp->avp_public.avp_flags), | |
744 avp->avp_public.avp_len, | |
745 avp->avp_public.avp_vendor, | |
746 avp->avp_public.avp_value | |
747 ); | |
748 /* Dump the value if set */ | |
749 if (avp->avp_public.avp_value) { | |
750 if (!avp->avp_model) { | |
751 fd_log_debug(INOBJHDR "(data set but no model: ERROR)\n", INOBJHDRVAL); | |
752 } else { | |
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753 fd_dict_dump_avp_value(avp->avp_public.avp_value, avp->avp_model, indent); |
0 | 754 } |
755 } | |
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756 |
0 | 757 fd_log_debug(INOBJHDR "intern: src:%p mf:%d raw:%p(%d)\n", INOBJHDRVAL, avp->avp_source, avp->avp_mustfreeos, avp->avp_rawdata, avp->avp_rawlen); |
758 } | |
759 | |
760 /* Dump a single object content */ | |
761 static void msg_dump_intern ( int level, msg_or_avp * obj, int indent ) | |
762 { | |
763 /* Log only if we are at least at level */ | |
764 if ( ! TRACE_BOOL(level) ) | |
765 return; | |
766 | |
767 /* Check the object */ | |
768 if (!VALIDATE_OBJ(obj)) { | |
769 fd_log_debug( ">>> invalid object (%p)!.\n", obj); | |
770 return; | |
771 } | |
772 | |
773 /* Dump the object */ | |
774 switch (_C(obj)->type) { | |
775 case MSG_AVP: | |
776 obj_dump_avp ( _A(obj), indent ); | |
777 break; | |
778 | |
779 case MSG_MSG: | |
780 obj_dump_msg ( _M(obj), indent ); | |
781 break; | |
782 | |
783 default: | |
784 ASSERT(0); | |
785 } | |
786 } | |
787 | |
788 /* Dump a message content -- for debug mostly */ | |
789 void fd_msg_dump_walk ( int level, msg_or_avp *obj ) | |
790 { | |
791 msg_or_avp * ref = obj; | |
792 int indent = 1; | |
793 | |
794 TRACE_DEBUG(level, "------ Dumping object %p (w)-------", obj); | |
795 do { | |
796 msg_dump_intern ( level, ref, indent ); | |
797 | |
798 /* Now find the next object */ | |
799 CHECK_FCT_DO( fd_msg_browse ( ref, MSG_BRW_WALK, &ref, &indent ), break ); | |
800 | |
801 /* dump next object */ | |
802 } while (ref); | |
803 | |
804 TRACE_DEBUG(level, "------ /end of object %p -------", obj); | |
805 } | |
806 | |
807 /* Dump a single object content -- for debug mostly */ | |
808 void fd_msg_dump_one ( int level, msg_or_avp * obj ) | |
809 { | |
810 TRACE_DEBUG(level, "------ Dumping object %p (s)-------", obj); | |
811 msg_dump_intern ( level, obj, 1 ); | |
812 TRACE_DEBUG(level, "------ /end of object %p -------", obj); | |
813 } | |
814 | |
815 | |
816 /***************************************************************************************************************/ | |
817 /* Simple meta-data management */ | |
818 | |
819 /* Retrieve the model of an object */ | |
820 int fd_msg_model ( msg_or_avp * reference, struct dict_object ** model ) | |
821 { | |
822 TRACE_ENTRY("%p %p", reference, model); | |
823 | |
824 /* Check the parameters */ | |
825 CHECK_PARAMS( model && VALIDATE_OBJ(reference) ); | |
826 | |
827 /* copy the model reference */ | |
828 switch (_C(reference)->type) { | |
829 case MSG_AVP: | |
830 *model = _A(reference)->avp_model; | |
831 break; | |
832 | |
833 case MSG_MSG: | |
834 *model = _M(reference)->msg_model; | |
835 break; | |
836 | |
837 default: | |
838 CHECK_PARAMS(0); | |
839 } | |
840 | |
841 return 0; | |
842 } | |
843 | |
844 /* Retrieve the address of the msg_public field of a message */ | |
845 int fd_msg_hdr ( struct msg *msg, struct msg_hdr **pdata ) | |
846 { | |
847 TRACE_ENTRY("%p %p", msg, pdata); | |
848 CHECK_PARAMS( CHECK_MSG(msg) && pdata ); | |
849 | |
850 *pdata = &msg->msg_public; | |
851 return 0; | |
852 } | |
853 | |
854 /* Retrieve the address of the avp_public field of an avp */ | |
855 int fd_msg_avp_hdr ( struct avp *avp, struct avp_hdr **pdata ) | |
856 { | |
857 TRACE_ENTRY("%p %p", avp, pdata); | |
858 CHECK_PARAMS( CHECK_AVP(avp) && pdata ); | |
859 | |
860 *pdata = &avp->avp_public; | |
861 return 0; | |
862 } | |
863 | |
864 /* Associate answers and queries */ | |
865 int fd_msg_answ_associate( struct msg * answer, struct msg * query ) | |
866 { | |
867 TRACE_ENTRY( "%p %p", answer, query ); | |
868 | |
869 CHECK_PARAMS( CHECK_MSG(answer) && CHECK_MSG(query) && (answer->msg_query == NULL ) ); | |
870 | |
871 answer->msg_query = query; | |
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872 query->msg_associated = 1; |
0 | 873 |
874 return 0; | |
875 } | |
876 | |
877 int fd_msg_answ_getq( struct msg * answer, struct msg ** query ) | |
878 { | |
879 TRACE_ENTRY( "%p %p", answer, query ); | |
880 | |
881 CHECK_PARAMS( CHECK_MSG(answer) && query ); | |
882 | |
883 *query = answer->msg_query; | |
884 | |
885 return 0; | |
886 } | |
887 | |
888 int fd_msg_answ_detach( struct msg * answer ) | |
889 { | |
890 TRACE_ENTRY( "%p", answer ); | |
891 | |
892 CHECK_PARAMS( CHECK_MSG(answer) ); | |
893 | |
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894 answer->msg_query->msg_associated = 0; |
0 | 895 answer->msg_query = NULL; |
896 | |
897 return 0; | |
898 } | |
899 | |
900 /* Associate / get answer callbacks */ | |
901 int fd_msg_anscb_associate( struct msg * msg, void ( *anscb)(void *, struct msg **), void * data ) | |
902 { | |
903 TRACE_ENTRY("%p %p %p", msg, anscb, data); | |
904 | |
905 /* Check the parameters */ | |
906 CHECK_PARAMS( CHECK_MSG(msg) && anscb ); | |
100 | 907 CHECK_PARAMS( msg->msg_public.msg_flags & CMD_FLAG_REQUEST ); /* we associate with requests only */ |
0 | 908 CHECK_PARAMS( msg->msg_cb.fct == NULL ); /* No cb is already registered */ |
909 | |
910 /* Associate callback and data with the message, if any */ | |
911 msg->msg_cb.fct = anscb; | |
912 msg->msg_cb.data = data; | |
913 | |
914 return 0; | |
915 } | |
916 | |
917 int fd_msg_anscb_get( struct msg * msg, void (**anscb)(void *, struct msg **), void ** data ) | |
918 { | |
919 TRACE_ENTRY("%p %p %p", msg, anscb, data); | |
920 | |
921 /* Check the parameters */ | |
922 CHECK_PARAMS( CHECK_MSG(msg) && anscb && data ); | |
923 | |
924 /* Copy the result */ | |
925 *anscb = msg->msg_cb.fct; | |
926 *data = msg->msg_cb.data; | |
927 | |
928 return 0; | |
929 } | |
930 | |
931 /* Associate routing lists */ | |
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932 int fd_msg_rt_associate( struct msg * msg, struct rt_data ** rtd ) |
0 | 933 { |
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934 TRACE_ENTRY( "%p %p", msg, rtd ); |
0 | 935 |
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936 CHECK_PARAMS( CHECK_MSG(msg) && rtd ); |
0 | 937 |
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938 msg->msg_rtdata = *rtd; |
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939 *rtd = NULL; |
0 | 940 |
941 return 0; | |
942 } | |
943 | |
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944 int fd_msg_rt_get( struct msg * msg, struct rt_data ** rtd ) |
0 | 945 { |
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946 TRACE_ENTRY( "%p %p", msg, rtd ); |
0 | 947 |
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948 CHECK_PARAMS( CHECK_MSG(msg) && rtd ); |
0 | 949 |
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950 *rtd = msg->msg_rtdata; |
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951 msg->msg_rtdata = NULL; |
0 | 952 |
953 return 0; | |
954 } | |
955 | |
956 /* Find if a message is routable */ | |
957 int fd_msg_is_routable ( struct msg * msg ) | |
958 { | |
959 TRACE_ENTRY("%p", msg); | |
960 | |
961 CHECK_PARAMS_DO( CHECK_MSG(msg), return 0 /* pretend the message is not routable */ ); | |
962 | |
963 if ( ! msg->msg_routable ) { | |
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964 /* To define if a message is routable, we rely on the "PXY" flag (for application 0). */ |
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965 msg->msg_routable = ((msg->msg_public.msg_appl != 0) || (msg->msg_public.msg_flags & CMD_FLAG_PROXIABLE)) ? 1 : 2; |
0 | 966 |
967 /* Note : the 'real' criteria according to the Diameter I-D is that the message is | |
968 routable if and only if the "Destination-Realm" AVP is required by the command ABNF. | |
969 We could make a test for this here, but it's more computational work and our test | |
970 seems accurate (until proven otherwise...) */ | |
971 } | |
972 | |
973 return (msg->msg_routable == 1) ? 1 : 0; | |
974 } | |
975 | |
976 /* Associate source peer */ | |
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977 int fd_msg_source_set( struct msg * msg, char * diamid, int add_rr, struct dictionary * dict ) |
0 | 978 { |
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979 TRACE_ENTRY( "%p %p %d %p", msg, diamid, add_rr, dict); |
0 | 980 |
981 /* Check we received a valid message */ | |
982 CHECK_PARAMS( CHECK_MSG(msg) && dict ); | |
983 | |
984 /* Cleanup any previous source */ | |
985 free(msg->msg_src_id); msg->msg_src_id = NULL; | |
986 | |
987 /* If the request is to cleanup the source, we are done */ | |
988 if (diamid == NULL) { | |
989 return 0; | |
990 } | |
991 | |
992 /* Otherwise save the new informations */ | |
993 CHECK_MALLOC( msg->msg_src_id = strdup(diamid) ); | |
994 | |
995 if (add_rr) { | |
996 struct dict_object *avp_rr_model; | |
997 avp_code_t code = AC_ROUTE_RECORD; | |
998 struct avp *avp; | |
999 union avp_value val; | |
1000 | |
1001 /* Find the model for Route-Record in the dictionary */ | |
1002 CHECK_FCT( fd_dict_search ( dict, DICT_AVP, AVP_BY_CODE, &code, &avp_rr_model, ENOENT) ); | |
1003 | |
1004 /* Create the AVP with this model */ | |
1005 CHECK_FCT( fd_msg_avp_new ( avp_rr_model, 0, &avp ) ); | |
1006 | |
1007 /* Set the AVP value with the diameter id */ | |
1008 memset(&val, 0, sizeof(val)); | |
1009 val.os.data = (unsigned char *)diamid; | |
1010 val.os.len = strlen(diamid); | |
1011 CHECK_FCT( fd_msg_avp_setvalue( avp, &val ) ); | |
1012 | |
1013 /* Add the AVP in the message */ | |
1014 CHECK_FCT( fd_msg_avp_add( msg, MSG_BRW_LAST_CHILD, avp ) ); | |
1015 } | |
1016 | |
1017 /* done */ | |
1018 return 0; | |
1019 } | |
1020 | |
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1021 int fd_msg_source_get( struct msg * msg, char ** diamid ) |
0 | 1022 { |
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1023 TRACE_ENTRY( "%p %p", msg, diamid); |
0 | 1024 |
1025 /* Check we received valid parameters */ | |
1026 CHECK_PARAMS( CHECK_MSG(msg) ); | |
1027 CHECK_PARAMS( diamid ); | |
1028 | |
1029 /* Copy the informations */ | |
1030 *diamid = msg->msg_src_id; | |
1031 | |
1032 /* done */ | |
1033 return 0; | |
1034 } | |
1035 | |
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1036 /* Retrieve the session of the message */ |
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1037 int fd_msg_sess_get(struct dictionary * dict, struct msg * msg, struct session ** session, int * new) |
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1038 { |
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1039 struct avp * avp; |
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1040 |
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1041 TRACE_ENTRY("%p %p %p", msg, session, new); |
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1042 |
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1043 /* Check we received valid parameters */ |
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1044 CHECK_PARAMS( CHECK_MSG(msg) ); |
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1045 CHECK_PARAMS( session ); |
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1046 |
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1047 /* If we already resolved the session, just send it back */ |
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1048 if (msg->msg_sess) { |
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1049 *session = msg->msg_sess; |
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1050 if (new) |
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1051 *new = 0; |
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1052 return 0; |
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1053 } |
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1054 |
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1055 /* OK, we have to search for Session-Id AVP -- it is usually the first AVP, but let's be permissive here */ |
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1056 /* -- note: we accept messages that have not yet been dictionary parsed... */ |
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1057 CHECK_FCT( fd_msg_browse(msg, MSG_BRW_FIRST_CHILD, &avp, NULL) ); |
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1058 while (avp) { |
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1059 if ( (avp->avp_public.avp_code == AC_SESSION_ID) |
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1060 && (avp->avp_public.avp_vendor == 0) ) |
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1061 break; |
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1062 |
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1063 /* Otherwise move to next AVP in the message */ |
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1064 CHECK_FCT( fd_msg_browse(avp, MSG_BRW_NEXT, &avp, NULL) ); |
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1065 } |
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1066 |
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1067 if (!avp) { |
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1068 TRACE_DEBUG(FULL, "No Session-Id AVP found in message %p", msg); |
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1069 *session = NULL; |
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1070 return 0; |
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1071 } |
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1072 |
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1073 if (!avp->avp_model) { |
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1074 CHECK_FCT( fd_msg_parse_dict ( avp, dict, NULL ) ); |
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1075 } |
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1076 |
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1077 ASSERT( avp->avp_public.avp_value ); |
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1078 |
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1079 /* Resolve the session and we are done */ |
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1080 CHECK_FCT( fd_sess_fromsid_msg ( avp->avp_public.avp_value->os.data, avp->avp_public.avp_value->os.len, &msg->msg_sess, new) ); |
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1081 *session = msg->msg_sess; |
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1082 |
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1083 return 0; |
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1084 } |
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1085 |
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1086 |
0 | 1087 /******************* End-to-end counter *********************/ |
1088 uint32_t fd_eteid; | |
1089 pthread_mutex_t fd_eteid_lck = PTHREAD_MUTEX_INITIALIZER; | |
1090 | |
1091 void fd_msg_eteid_init(void) | |
1092 { | |
1093 fd_eteid = ((uint32_t)time(NULL) << 20) | ((uint32_t)lrand48() & ( (1 << 20) - 1 )); | |
1094 } | |
1095 | |
1096 uint32_t fd_msg_eteid_get ( void ) | |
1097 { | |
1098 uint32_t ret; | |
1099 | |
1100 CHECK_POSIX_DO( pthread_mutex_lock(&fd_eteid_lck), /* continue */ ); | |
1101 | |
1102 ret = fd_eteid ++; | |
1103 | |
1104 CHECK_POSIX_DO( pthread_mutex_unlock(&fd_eteid_lck), /* continue */ ); | |
1105 | |
1106 return ret; | |
1107 } | |
1108 | |
1109 /***************************************************************************************************************/ | |
1110 /* Manage AVPs values */ | |
1111 | |
1112 /* Set the value of an AVP */ | |
1113 int fd_msg_avp_setvalue ( struct avp *avp, union avp_value *value ) | |
1114 { | |
1115 enum dict_avp_basetype type = -1; | |
1116 | |
1117 TRACE_ENTRY("%p %p", avp, value); | |
1118 | |
1119 /* Check parameter */ | |
1120 CHECK_PARAMS( CHECK_AVP(avp) && avp->avp_model ); | |
1121 | |
1122 /* Retrieve information from the AVP model */ | |
1123 { | |
1124 enum dict_object_type dicttype; | |
1125 struct dict_avp_data dictdata; | |
1126 | |
1127 CHECK_PARAMS( (fd_dict_gettype(avp->avp_model, &dicttype) == 0) && (dicttype == DICT_AVP) ); | |
1128 CHECK_FCT( fd_dict_getval(avp->avp_model, &dictdata) ); | |
1129 type = dictdata.avp_basetype; | |
1130 CHECK_PARAMS( type != AVP_TYPE_GROUPED ); | |
1131 } | |
1132 | |
1133 /* First, clean any previous value */ | |
1134 if (avp->avp_mustfreeos != 0) { | |
1135 free(avp->avp_storage.os.data); | |
1136 avp->avp_mustfreeos = 0; | |
1137 } | |
1138 | |
1139 memset(&avp->avp_storage, 0, sizeof(union avp_value)); | |
1140 | |
1141 /* If the request was to delete a value: */ | |
1142 if (!value) { | |
1143 avp->avp_public.avp_value = NULL; | |
1144 return 0; | |
1145 } | |
1146 | |
1147 /* Now we have to set the value */ | |
1148 memcpy(&avp->avp_storage, value, sizeof(union avp_value)); | |
1149 | |
1150 /* Copy an octetstring if needed. */ | |
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1151 if (type == AVP_TYPE_OCTETSTRING) { |
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1152 if (value->os.len) { |
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1153 CHECK_MALLOC( avp->avp_storage.os.data = malloc(value->os.len) ); |
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1154 avp->avp_mustfreeos = 1; |
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1155 memcpy(avp->avp_storage.os.data, value->os.data, value->os.len); |
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1156 } else { |
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1157 avp->avp_storage.os.data = NULL; |
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1158 } |
0 | 1159 } |
1160 | |
1161 /* Set the data pointer of the public part */ | |
1162 avp->avp_public.avp_value = &avp->avp_storage; | |
1163 | |
1164 return 0; | |
1165 } | |
1166 | |
1167 /* Set the value of an AVP, using formatted data */ | |
1168 int fd_msg_avp_value_encode ( void *data, struct avp *avp ) | |
1169 { | |
1170 enum dict_avp_basetype type = -1; | |
1171 struct dict_type_data type_data; | |
1172 | |
1173 TRACE_ENTRY("%p %p", data, avp); | |
1174 | |
1175 /* Check parameter */ | |
1176 CHECK_PARAMS( CHECK_AVP(avp) && avp->avp_model ); | |
1177 | |
1178 /* Retrieve information from the AVP model and it's parent type */ | |
1179 { | |
1180 enum dict_object_type dicttype; | |
1181 struct dict_avp_data dictdata; | |
1182 struct dictionary * dict; | |
1183 struct dict_object * parenttype = NULL; | |
1184 | |
1185 /* First check the base type of the AVP */ | |
1186 CHECK_PARAMS( (fd_dict_gettype(avp->avp_model, &dicttype) == 0) && (dicttype == DICT_AVP) ); | |
1187 CHECK_FCT( fd_dict_getval(avp->avp_model, &dictdata) ); | |
1188 type = dictdata.avp_basetype; | |
1189 CHECK_PARAMS( type != AVP_TYPE_GROUPED ); | |
1190 | |
1191 /* Then retrieve information about the parent's type (= derived type) */ | |
1192 CHECK_FCT( fd_dict_getdict( avp->avp_model, &dict ) ); | |
1193 CHECK_FCT( fd_dict_search( dict, DICT_TYPE, TYPE_OF_AVP, avp->avp_model, &parenttype, EINVAL) ); | |
1194 CHECK_FCT( fd_dict_getval(parenttype, &type_data) ); | |
1195 if (type_data.type_encode == NULL) { | |
1196 TRACE_DEBUG(INFO, "This AVP type does not provide a callback to encode formatted data. ENOTSUP."); | |
1197 return ENOTSUP; | |
1198 } | |
1199 } | |
1200 | |
1201 /* Ok, now we can encode the value */ | |
1202 | |
1203 /* First, clean any previous value */ | |
1204 if (avp->avp_mustfreeos != 0) { | |
1205 free(avp->avp_storage.os.data); | |
1206 avp->avp_mustfreeos = 0; | |
1207 } | |
1208 avp->avp_public.avp_value = NULL; | |
1209 memset(&avp->avp_storage, 0, sizeof(union avp_value)); | |
1210 | |
1211 /* Now call the type's callback to encode the data */ | |
1212 CHECK_FCT( (*type_data.type_encode)(data, &avp->avp_storage) ); | |
1213 | |
1214 /* If an octetstring has been allocated, let's mark it to be freed */ | |
1215 if (type == AVP_TYPE_OCTETSTRING) | |
1216 avp->avp_mustfreeos = 1; | |
1217 | |
1218 /* Set the data pointer of the public part */ | |
1219 avp->avp_public.avp_value = &avp->avp_storage; | |
1220 | |
1221 return 0; | |
1222 } | |
1223 | |
1224 /* Interpret the value of an AVP into formatted data */ | |
1225 int fd_msg_avp_value_interpret ( struct avp *avp, void *data ) | |
1226 { | |
1227 struct dict_type_data type_data; | |
1228 | |
1229 TRACE_ENTRY("%p %p", avp, data); | |
1230 | |
1231 /* Check parameter */ | |
1232 CHECK_PARAMS( CHECK_AVP(avp) && avp->avp_model && avp->avp_public.avp_value ); | |
1233 | |
1234 /* Retrieve information about the AVP parent type */ | |
1235 { | |
1236 struct dictionary * dict; | |
1237 struct dict_object * parenttype = NULL; | |
1238 | |
1239 CHECK_FCT( fd_dict_getdict( avp->avp_model, &dict ) ); | |
1240 CHECK_FCT( fd_dict_search( dict, DICT_TYPE, TYPE_OF_AVP, avp->avp_model, &parenttype, EINVAL) ); | |
1241 CHECK_FCT( fd_dict_getval(parenttype, &type_data) ); | |
1242 if (type_data.type_interpret == NULL) { | |
1243 TRACE_DEBUG(INFO, "This AVP type does not provide a callback to interpret value in formatted data. ENOTSUP."); | |
1244 return ENOTSUP; | |
1245 } | |
1246 } | |
1247 | |
1248 /* Ok, now we can interpret the value */ | |
1249 | |
1250 CHECK_FCT( (*type_data.type_interpret)(avp->avp_public.avp_value, data) ); | |
1251 | |
1252 return 0; | |
1253 } | |
1254 | |
1255 /***************************************************************************************************************/ | |
1256 /* Creating a buffer from memory objects (bufferize a struct msg) */ | |
1257 | |
1258 /* Following macros are used to store 32 and 64 bit fields into a buffer in network byte order */ | |
1259 #define PUT_in_buf_32( _u32data, _bufptr ) { \ | |
1260 *(uint32_t *)(_bufptr) = htonl((uint32_t)(_u32data)); \ | |
1261 } | |
1262 #define PUT_in_buf_64( _u64data, _bufptr ) { \ | |
1263 *(uint64_t *)(_bufptr) = htonll((uint64_t)(_u64data)); \ | |
1264 } | |
1265 | |
1266 /* Write a message header in the buffer */ | |
1267 static int bufferize_msg(unsigned char * buffer, size_t buflen, size_t * offset, struct msg * msg) | |
1268 { | |
1269 TRACE_ENTRY("%p %d %p %p", buffer, buflen, offset, msg); | |
1270 | |
1271 if ((buflen - *offset) < GETMSGHDRSZ()) | |
1272 return ENOSPC; | |
1273 | |
1274 if (*offset & 0x3) | |
1275 return EFAULT; /* We are supposed to start on 32 bit boundaries */ | |
1276 | |
1277 PUT_in_buf_32(msg->msg_public.msg_length, buffer + *offset); | |
1278 buffer[*offset] = msg->msg_public.msg_version; | |
1279 *offset += 4; | |
1280 | |
1281 PUT_in_buf_32(msg->msg_public.msg_code, buffer + *offset); | |
1282 buffer[*offset] = msg->msg_public.msg_flags; | |
1283 *offset += 4; | |
1284 | |
1285 PUT_in_buf_32(msg->msg_public.msg_appl, buffer + *offset); | |
1286 *offset += 4; | |
1287 | |
1288 PUT_in_buf_32(msg->msg_public.msg_hbhid, buffer + *offset); | |
1289 *offset += 4; | |
1290 | |
1291 PUT_in_buf_32(msg->msg_public.msg_eteid, buffer + *offset); | |
1292 *offset += 4; | |
1293 | |
1294 return 0; | |
1295 } | |
1296 | |
1297 static int bufferize_chain(unsigned char * buffer, size_t buflen, size_t * offset, struct fd_list * list); | |
1298 | |
1299 /* Write an AVP in the buffer */ | |
1300 static int bufferize_avp(unsigned char * buffer, size_t buflen, size_t * offset, struct avp * avp) | |
1301 { | |
1302 struct dict_avp_data dictdata; | |
1303 | |
1304 TRACE_ENTRY("%p %d %p %p", buffer, buflen, offset, avp); | |
1305 | |
1306 if ((buflen - *offset) < avp->avp_public.avp_len) | |
1307 return ENOSPC; | |
1308 | |
1309 /* Write the header */ | |
1310 PUT_in_buf_32(avp->avp_public.avp_code, buffer + *offset); | |
1311 *offset += 4; | |
1312 | |
1313 PUT_in_buf_32(avp->avp_public.avp_len, buffer + *offset); | |
1314 buffer[*offset] = avp->avp_public.avp_flags; | |
1315 *offset += 4; | |
1316 | |
1317 if (avp->avp_public.avp_flags & AVP_FLAG_VENDOR) { | |
1318 PUT_in_buf_32(avp->avp_public.avp_vendor, buffer + *offset); | |
1319 *offset += 4; | |
1320 } | |
1321 | |
1322 /* Then we must write the AVP value */ | |
1323 | |
1324 if (avp->avp_model == NULL) { | |
1325 /* In the case where we don't know the type of AVP, just copy the raw data or source */ | |
1326 CHECK_PARAMS( avp->avp_source || avp->avp_rawdata ); | |
1327 | |
1328 if ( avp->avp_source != NULL ) { | |
1329 /* the message was not parsed completely */ | |
1330 size_t datalen = avp->avp_public.avp_len - GETAVPHDRSZ(avp->avp_public.avp_flags); | |
1331 memcpy(&buffer[*offset], avp->avp_source, datalen); | |
1332 *offset += PAD4(datalen); | |
1333 } else { | |
1334 /* the content was stored in rawdata */ | |
1335 memcpy(&buffer[*offset], avp->avp_rawdata, avp->avp_rawlen); | |
1336 *offset += PAD4(avp->avp_rawlen); | |
1337 } | |
1338 | |
1339 } else { | |
1340 /* The AVP is defined in the dictionary */ | |
1341 CHECK_FCT( fd_dict_getval(avp->avp_model, &dictdata) ); | |
1342 | |
1343 CHECK_PARAMS( ( dictdata.avp_basetype == AVP_TYPE_GROUPED ) || avp->avp_public.avp_value ); | |
1344 | |
1345 switch (dictdata.avp_basetype) { | |
1346 case AVP_TYPE_GROUPED: | |
1347 return bufferize_chain(buffer, buflen, offset, &avp->avp_chain.children); | |
1348 | |
1349 case AVP_TYPE_OCTETSTRING: | |
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1350 if (avp->avp_public.avp_value->os.len) |
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1351 memcpy(&buffer[*offset], avp->avp_public.avp_value->os.data, avp->avp_public.avp_value->os.len); |
0 | 1352 *offset += PAD4(avp->avp_public.avp_value->os.len); |
1353 break; | |
1354 | |
1355 case AVP_TYPE_INTEGER32: | |
1356 PUT_in_buf_32(avp->avp_public.avp_value->i32, buffer + *offset); | |
1357 *offset += 4; | |
1358 break; | |
1359 | |
1360 case AVP_TYPE_INTEGER64: | |
1361 PUT_in_buf_64(avp->avp_public.avp_value->i64, buffer + *offset); | |
1362 *offset += 8; | |
1363 break; | |
1364 | |
1365 case AVP_TYPE_UNSIGNED32: | |
1366 PUT_in_buf_32(avp->avp_public.avp_value->u32, buffer + *offset); | |
1367 *offset += 4; | |
1368 break; | |
1369 | |
1370 case AVP_TYPE_UNSIGNED64: | |
1371 PUT_in_buf_64(avp->avp_public.avp_value->u64, buffer + *offset); | |
1372 *offset += 8; | |
1373 break; | |
1374 | |
1375 case AVP_TYPE_FLOAT32: | |
1376 /* We read the f32 as "u32" here to avoid casting to uint make decimals go away. | |
1377 The alternative would be something like "*(uint32_t *)(& f32)" but | |
1378 then the compiler complains about strict-aliasing rules. */ | |
1379 PUT_in_buf_32(avp->avp_public.avp_value->u32, buffer + *offset); | |
1380 *offset += 4; | |
1381 break; | |
1382 | |
1383 case AVP_TYPE_FLOAT64: | |
1384 /* Same remark as previously */ | |
1385 PUT_in_buf_64(avp->avp_public.avp_value->u64, buffer + *offset); | |
1386 *offset += 8; | |
1387 break; | |
1388 | |
1389 default: | |
1390 ASSERT(0); | |
1391 } | |
1392 } | |
1393 return 0; | |
1394 } | |
1395 | |
1396 /* Write a chain of AVPs in the buffer */ | |
1397 static int bufferize_chain(unsigned char * buffer, size_t buflen, size_t * offset, struct fd_list * list) | |
1398 { | |
1399 struct fd_list * avpch; | |
1400 | |
1401 TRACE_ENTRY("%p %d %p %p", buffer, buflen, offset, list); | |
1402 | |
1403 for (avpch = list->next; avpch != list; avpch = avpch->next) { | |
1404 /* Bufferize the AVP */ | |
1405 CHECK_FCT( bufferize_avp(buffer, buflen, offset, _A(avpch->o)) ); | |
1406 } | |
1407 return 0; | |
1408 } | |
1409 | |
1410 /* Create the message buffer, in network-byte order. We browse the tree twice, this could be probably improved if needed */ | |
1411 int fd_msg_bufferize ( struct msg * msg, unsigned char ** buffer, size_t * len ) | |
1412 { | |
1413 int ret = 0; | |
1414 unsigned char * buf = NULL; | |
1415 size_t offset = 0; | |
1416 | |
1417 TRACE_ENTRY("%p %p %p", msg, buffer, len); | |
1418 | |
1419 /* Check the parameters */ | |
1420 CHECK_PARAMS( buffer && CHECK_MSG(msg) ); | |
1421 | |
1422 /* Update the length. This also checks that all AVP have their values set */ | |
1423 CHECK_FCT( fd_msg_update_length(msg) ); | |
1424 | |
1425 /* Now allocate a buffer to store the message */ | |
1426 CHECK_MALLOC( buf = malloc(msg->msg_public.msg_length) ); | |
1427 | |
1428 /* Clear the memory, so that the padding is always 0 (should not matter) */ | |
1429 memset(buf, 0, msg->msg_public.msg_length); | |
1430 | |
1431 /* Write the message header in the buffer */ | |
1432 CHECK_FCT_DO( ret = bufferize_msg(buf, msg->msg_public.msg_length, &offset, msg), | |
1433 { | |
1434 free(buf); | |
1435 return ret; | |
1436 } ); | |
1437 | |
1438 /* Write the list of AVPs */ | |
1439 CHECK_FCT_DO( ret = bufferize_chain(buf, msg->msg_public.msg_length, &offset, &msg->msg_chain.children), | |
1440 { | |
1441 free(buf); | |
1442 return ret; | |
1443 } ); | |
1444 | |
1445 ASSERT(offset == msg->msg_public.msg_length); /* or the msg_update_length is buggy */ | |
1446 | |
1447 if (len) { | |
1448 *len = offset; | |
1449 } | |
1450 | |
1451 *buffer = buf; | |
1452 return 0; | |
1453 } | |
1454 | |
1455 | |
1456 /***************************************************************************************************************/ | |
1457 /* Parsing buffers and building AVP objects lists (not parsing the AVP values which requires dictionary knowledge) */ | |
1458 | |
1459 /* Parse a buffer containing a supposed list of AVPs */ | |
1460 static int parsebuf_list(unsigned char * buf, size_t buflen, struct fd_list * head) | |
1461 { | |
1462 size_t offset = 0; | |
1463 | |
1464 TRACE_ENTRY("%p %d %p", buf, buflen, head); | |
1465 | |
1466 while (offset < buflen) { | |
1467 struct avp * avp; | |
1468 | |
1469 if (buflen - offset <= AVPHDRSZ_NOVEND) { | |
1470 TRACE_DEBUG(INFO, "truncated buffer: remaining only %d bytes", buflen - offset); | |
1471 return EBADMSG; | |
1472 } | |
1473 | |
1474 /* Create a new AVP object */ | |
1475 CHECK_MALLOC( avp = malloc (sizeof(struct avp)) ); | |
1476 | |
1477 init_avp(avp); | |
1478 | |
1479 /* Initialize the header */ | |
1480 avp->avp_public.avp_code = ntohl(*(uint32_t *)(buf + offset)); | |
1481 avp->avp_public.avp_flags = buf[offset + 4]; | |
1482 avp->avp_public.avp_len = ((uint32_t)buf[offset+5]) << 16 | ((uint32_t)buf[offset+6]) << 8 | ((uint32_t)buf[offset+7]) ; | |
1483 | |
1484 offset += 8; | |
1485 | |
1486 if (avp->avp_public.avp_flags & AVP_FLAG_VENDOR) { | |
1487 if (buflen - offset <= 4) { | |
1488 TRACE_DEBUG(INFO, "truncated buffer: remaining only %d bytes for vendor and data", buflen - offset); | |
1489 free(avp); | |
1490 return EBADMSG; | |
1491 } | |
1492 avp->avp_public.avp_vendor = ntohl(*(uint32_t *)(buf + offset)); | |
1493 offset += 4; | |
1494 } | |
1495 | |
1496 /* Check there is enough remaining data in the buffer */ | |
1497 if (buflen - offset < avp->avp_public.avp_len - GETAVPHDRSZ(avp->avp_public.avp_flags)) { | |
1498 TRACE_DEBUG(INFO, "truncated buffer: remaining only %d bytes for data, and avp data size is %d", | |
1499 buflen - offset, | |
1500 avp->avp_public.avp_len - GETAVPHDRSZ(avp->avp_public.avp_flags)); | |
1501 free(avp); | |
1502 return EBADMSG; | |
1503 } | |
1504 | |
1505 /* buf[offset] is now the beginning of the data */ | |
1506 avp->avp_source = &buf[offset]; | |
1507 | |
1508 /* Now eat the data and eventual padding */ | |
1509 offset += PAD4(avp->avp_public.avp_len - GETAVPHDRSZ(avp->avp_public.avp_flags)); | |
1510 | |
1511 /* And insert this avp in the list, at the end */ | |
1512 fd_list_insert_before( head, &avp->avp_chain.chaining ); | |
1513 } | |
1514 | |
1515 return 0; | |
1516 } | |
1517 | |
1518 /* Create a message object from a buffer. Dictionary objects are not resolved, AVP contents are not interpreted, buffer is saved in msg */ | |
1519 int fd_msg_parse_buffer ( unsigned char ** buffer, size_t buflen, struct msg ** msg ) | |
1520 { | |
1521 struct msg * new = NULL; | |
1522 int ret = 0; | |
1523 uint32_t msglen = 0; | |
1524 unsigned char * buf; | |
1525 | |
1526 TRACE_ENTRY("%p %d %p", buffer, buflen, msg); | |
1527 | |
1528 CHECK_PARAMS( buffer && *buffer && msg && (buflen >= GETMSGHDRSZ()) ); | |
1529 buf = *buffer; | |
1530 *buffer = NULL; | |
1531 | |
1532 if ( buf[0] != DIAMETER_VERSION) { | |
1533 TRACE_DEBUG(INFO, "Invalid version in message: %d (supported: %d)", buf[0], DIAMETER_VERSION); | |
1534 free(buf); | |
1535 return EBADMSG; | |
1536 } | |
1537 | |
1538 msglen = ntohl(*(uint32_t *)buf) & 0x00ffffff; | |
1539 if ( buflen < msglen ) { | |
1540 TRACE_DEBUG(INFO, "Truncated message (%d / %d)", buflen, msglen ); | |
1541 free(buf); | |
1542 return EBADMSG; | |
1543 } | |
1544 | |
1545 /* Create a new object */ | |
1546 CHECK_MALLOC_DO( new = malloc (sizeof(struct msg)), { free(buf); return ENOMEM; } ); | |
1547 | |
1548 /* Initialize the fields */ | |
1549 init_msg(new); | |
1550 | |
1551 /* Now read from the buffer */ | |
1552 new->msg_public.msg_version = buf[0]; | |
1553 new->msg_public.msg_length = msglen; | |
1554 | |
1555 new->msg_public.msg_flags = buf[4]; | |
1556 new->msg_public.msg_code = ntohl(*(uint32_t *)(buf+4)) & 0x00ffffff; | |
1557 | |
1558 new->msg_public.msg_appl = ntohl(*(uint32_t *)(buf+8)); | |
1559 new->msg_public.msg_hbhid = ntohl(*(uint32_t *)(buf+12)); | |
1560 new->msg_public.msg_eteid = ntohl(*(uint32_t *)(buf+16)); | |
1561 | |
1562 new->msg_rawbuffer = buf; | |
1563 | |
1564 /* Parse the AVP list */ | |
1565 CHECK_FCT_DO( ret = parsebuf_list(buf + GETMSGHDRSZ(), buflen - GETMSGHDRSZ(), &new->msg_chain.children), { destroy_tree(_C(new)); return ret; } ); | |
1566 | |
1567 *msg = new; | |
1568 return 0; | |
1569 } | |
1570 | |
1571 | |
1572 /***************************************************************************************************************/ | |
1573 /* Parsing messages and AVP with dictionary information */ | |
1574 | |
1575 /* Resolve dictionary objects of the cmd and avp instances, from their headers. | |
1576 * When the model is found, the data is interpreted from the avp_source buffer and copied to avp_storage. | |
1577 * When the model is not found, the data is copied as rawdata and saved (in case we FW the message). | |
1578 * Therefore, after this function has been called, the source buffer can be freed. | |
1579 * For command, if the dictionary model is not found, an error is returned. | |
1580 */ | |
1581 | |
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1582 static int parsedict_do_chain(struct dictionary * dict, struct fd_list * head, int mandatory, struct fd_pei *error_info); |
0 | 1583 |
1584 /* Process an AVP. If we are not in recheck, the avp_source must be set. */ | |
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1585 static int parsedict_do_avp(struct dictionary * dict, struct avp * avp, int mandatory, struct fd_pei *error_info) |
0 | 1586 { |
1587 struct dict_avp_data dictdata; | |
1588 | |
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1589 TRACE_ENTRY("%p %p %d %p", dict, avp, mandatory, error_info); |
0 | 1590 |
1591 /* First check we received an AVP as input */ | |
1592 CHECK_PARAMS( CHECK_AVP(avp) ); | |
1593 | |
1594 if (avp->avp_model != NULL) { | |
1595 /* the model has already been resolved. we do check it is still valid */ | |
1596 | |
1597 CHECK_FCT( fd_dict_getval(avp->avp_model, &dictdata) ); | |
1598 | |
1599 if ( avp->avp_public.avp_code == dictdata.avp_code ) { | |
1600 /* Ok then just process the children if any */ | |
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1601 return parsedict_do_chain(dict, &avp->avp_chain.children, mandatory && (avp->avp_public.avp_flags & AVP_FLAG_MANDATORY), error_info); |
0 | 1602 } else { |
1603 /* We just erase the old model */ | |
1604 avp->avp_model = NULL; | |
1605 } | |
1606 } | |
1607 | |
1608 /* Now try and resolve the model from the avp code and vendor */ | |
1609 if (avp->avp_public.avp_flags & AVP_FLAG_VENDOR) { | |
1610 struct dict_avp_request avpreq; | |
1611 avpreq.avp_vendor = avp->avp_public.avp_vendor; | |
1612 avpreq.avp_code = avp->avp_public.avp_code; | |
1613 CHECK_FCT( fd_dict_search ( dict, DICT_AVP, AVP_BY_CODE_AND_VENDOR, &avpreq, &avp->avp_model, 0)); | |
1614 } else { | |
1615 /* no vendor */ | |
1616 CHECK_FCT( fd_dict_search ( dict, DICT_AVP, AVP_BY_CODE, &avp->avp_public.avp_code, &avp->avp_model, 0)); | |
1617 } | |
1618 | |
1619 /* First handle the case where we have not found this AVP in the dictionary */ | |
1620 if (!avp->avp_model) { | |
1621 | |
1622 if (mandatory && (avp->avp_public.avp_flags & AVP_FLAG_MANDATORY)) { | |
1623 TRACE_DEBUG(INFO, "Unsupported mandatory AVP found:"); | |
1624 msg_dump_intern(INFO, avp, 2); | |
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1625 if (error_info) { |
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1626 error_info->pei_errcode = "DIAMETER_AVP_UNSUPPORTED"; |
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1627 error_info->pei_avp = avp; |
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1628 } |
0 | 1629 return ENOTSUP; |
1630 } | |
1631 | |
1632 if (avp->avp_source) { | |
1633 /* we must copy the data from the source to the internal buffer area */ | |
1634 CHECK_PARAMS( !avp->avp_rawdata ); | |
1635 | |
1636 avp->avp_rawlen = avp->avp_public.avp_len - GETAVPHDRSZ( avp->avp_public.avp_flags ); | |
1637 | |
387
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1638 if (avp->avp_rawlen) { |
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1639 CHECK_MALLOC( avp->avp_rawdata = malloc(avp->avp_rawlen) ); |
0 | 1640 |
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1641 memcpy(avp->avp_rawdata, avp->avp_source, avp->avp_rawlen); |
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1642 } |
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1643 |
0 | 1644 avp->avp_source = NULL; |
1645 | |
1646 TRACE_DEBUG(FULL, "Unsupported optional AVP found, raw source data saved in avp_rawdata."); | |
1647 } | |
1648 | |
1649 return 0; | |
1650 } | |
1651 | |
1652 /* Ok we have resolved the object. Now we need to interpret its content. */ | |
1653 | |
1654 CHECK_FCT( fd_dict_getval(avp->avp_model, &dictdata) ); | |
1655 | |
1656 if (avp->avp_rawdata) { | |
1657 /* This happens if the dictionary object was defined after the first check */ | |
1658 avp->avp_source = avp->avp_rawdata; | |
1659 } | |
1660 | |
1661 /* A bit of sanity here... */ | |
1662 ASSERT(CHECK_BASETYPE(dictdata.avp_basetype)); | |
1663 | |
1664 /* Check the size is valid */ | |
1665 if ((avp_value_sizes[dictdata.avp_basetype] != 0) && | |
1666 (avp->avp_public.avp_len - GETAVPHDRSZ( avp->avp_public.avp_flags ) != avp_value_sizes[dictdata.avp_basetype])) { | |
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1667 TRACE_DEBUG(INFO, "The AVP size is not suitable for the type."); |
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1668 if (error_info) { |
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1669 error_info->pei_errcode = "DIAMETER_INVALID_AVP_LENGTH"; |
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1670 error_info->pei_avp = avp; |
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1671 } |
0 | 1672 return EBADMSG; |
1673 } | |
1674 | |
1675 /* Now get the value inside */ | |
1676 switch (dictdata.avp_basetype) { | |
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1677 case AVP_TYPE_GROUPED: { |
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1678 int ret; |
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1679 |
0 | 1680 /* This is a grouped AVP, so let's parse the list of AVPs inside */ |
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1681 CHECK_FCT_DO( ret = parsebuf_list(avp->avp_source, avp->avp_public.avp_len - GETAVPHDRSZ( avp->avp_public.avp_flags ), &avp->avp_chain.children), |
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1682 { |
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1683 if ((ret == EBADMSG) && (error_info)) { |
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1684 error_info->pei_errcode = "DIAMETER_INVALID_AVP_VALUE"; |
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1685 error_info->pei_avp = avp; |
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1686 } |
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1687 return ret; |
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1688 } ); |
0 | 1689 |
114
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1690 return parsedict_do_chain(dict, &avp->avp_chain.children, mandatory && (avp->avp_public.avp_flags & AVP_FLAG_MANDATORY), error_info); |
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1691 } |
0 | 1692 |
1693 case AVP_TYPE_OCTETSTRING: | |
1694 /* We just have to copy the string into the storage area */ | |
387
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1695 CHECK_PARAMS_DO( avp->avp_public.avp_len >= GETAVPHDRSZ( avp->avp_public.avp_flags ), |
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1696 { |
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1697 if (error_info) { |
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1698 error_info->pei_errcode = "DIAMETER_INVALID_AVP_LENGTH"; |
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1699 error_info->pei_avp = avp; |
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1700 } |
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1701 return EBADMSG; |
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1702 } ); |
0 | 1703 avp->avp_storage.os.len = avp->avp_public.avp_len - GETAVPHDRSZ( avp->avp_public.avp_flags ); |
387
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1704 if (avp->avp_storage.os.len) { |
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1705 CHECK_MALLOC( avp->avp_storage.os.data = malloc(avp->avp_storage.os.len) ); |
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1706 avp->avp_mustfreeos = 1; |
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1707 memcpy(avp->avp_storage.os.data, avp->avp_source, avp->avp_storage.os.len); |
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1708 } else { |
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1709 avp->avp_storage.os.data = NULL; |
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1710 } |
0 | 1711 break; |
1712 | |
1713 case AVP_TYPE_INTEGER32: | |
1714 avp->avp_storage.i32 = (int32_t)ntohl(*(uint32_t *)avp->avp_source); | |
1715 break; | |
1716 | |
1717 case AVP_TYPE_INTEGER64: | |
1718 avp->avp_storage.i64 = (int64_t)ntohll(*(uint64_t *)avp->avp_source); | |
1719 break; | |
1720 | |
1721 case AVP_TYPE_UNSIGNED32: | |
1722 case AVP_TYPE_FLOAT32: /* For float, we must not cast, or the value is changed. Instead we use implicit cast by changing the member of the union */ | |
1723 avp->avp_storage.u32 = (uint32_t)ntohl(*(uint32_t *)avp->avp_source); | |
1724 break; | |
1725 | |
1726 case AVP_TYPE_UNSIGNED64: | |
1727 case AVP_TYPE_FLOAT64: /* same as 32 bits */ | |
1728 avp->avp_storage.u64 = (uint64_t)ntohll(*(uint64_t *)avp->avp_source); | |
1729 break; | |
1730 | |
1731 } | |
1732 | |
1733 /* The value is now set, so set the data pointer and return 0 */ | |
1734 avp->avp_public.avp_value = &avp->avp_storage; | |
1735 return 0; | |
1736 } | |
1737 | |
1738 /* Process a list of AVPs */ | |
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1739 static int parsedict_do_chain(struct dictionary * dict, struct fd_list * head, int mandatory, struct fd_pei *error_info) |
0 | 1740 { |
1741 struct fd_list * avpch; | |
1742 | |
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1743 TRACE_ENTRY("%p %p %d %p", dict, head, mandatory, error_info); |
0 | 1744 |
1745 /* Sanity check */ | |
1746 ASSERT ( head == head->head ); | |
1747 | |
1748 /* Now process the list */ | |
1749 for (avpch=head->next; avpch != head; avpch = avpch->next) { | |
114
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1750 CHECK_FCT( parsedict_do_avp(dict, _A(avpch->o), mandatory, error_info) ); |
0 | 1751 } |
1752 | |
1753 /* Done */ | |
1754 return 0; | |
1755 } | |
1756 | |
1757 /* Process a msg header. */ | |
114
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1758 static int parsedict_do_msg(struct dictionary * dict, struct msg * msg, int only_hdr, struct fd_pei *error_info) |
0 | 1759 { |
1760 int ret = 0; | |
1761 | |
114
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1762 TRACE_ENTRY("%p %p %d %p", dict, msg, only_hdr, error_info); |
0 | 1763 |
1764 CHECK_PARAMS( CHECK_MSG(msg) ); | |
1765 | |
1766 /* Look for the model from the header */ | |
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1767 CHECK_FCT_DO( ret = fd_dict_search ( dict, DICT_COMMAND, |
0 | 1768 (msg->msg_public.msg_flags & CMD_FLAG_REQUEST) ? CMD_BY_CODE_R : CMD_BY_CODE_A, |
1769 &msg->msg_public.msg_code, | |
114
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1770 &msg->msg_model, ENOTSUP), |
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1771 { |
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1772 if ((ret == ENOTSUP) && (error_info)) { |
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1773 error_info->pei_errcode = "DIAMETER_COMMAND_UNSUPPORTED"; |
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1774 error_info->pei_protoerr = 1; |
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1775 } |
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1776 return ret; |
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1777 } ); |
0 | 1778 |
1779 if (!only_hdr) { | |
1780 /* Then process the children */ | |
114
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1781 ret = parsedict_do_chain(dict, &msg->msg_chain.children, 1, error_info); |
0 | 1782 |
1783 /* Free the raw buffer if any */ | |
1784 if ((ret == 0) && (msg->msg_rawbuffer != NULL)) { | |
1785 free(msg->msg_rawbuffer); | |
1786 msg->msg_rawbuffer=NULL; | |
1787 } | |
1788 } | |
1789 | |
1790 return ret; | |
1791 } | |
1792 | |
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1793 int fd_msg_parse_dict ( msg_or_avp * object, struct dictionary * dict, struct fd_pei *error_info ) |
0 | 1794 { |
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1795 TRACE_ENTRY("%p %p %p", dict, object, error_info); |
0 | 1796 |
1797 CHECK_PARAMS( VALIDATE_OBJ(object) ); | |
1798 | |
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1799 if (error_info) |
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1800 memset(error_info, 0, sizeof(struct fd_pei)); |
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1801 |
0 | 1802 switch (_C(object)->type) { |
1803 case MSG_MSG: | |
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1804 return parsedict_do_msg(dict, _M(object), 0, error_info); |
0 | 1805 |
1806 case MSG_AVP: | |
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1807 return parsedict_do_avp(dict, _A(object), 0, error_info); |
0 | 1808 |
1809 default: | |
1810 ASSERT(0); | |
1811 } | |
1812 return EINVAL; | |
1813 } | |
1814 | |
1815 /***************************************************************************************************************/ | |
1816 /* Parsing messages and AVP for rules (ABNF) compliance */ | |
1817 | |
1818 /* This function is used to get stats (first occurence position, last occurence position, number of occurences) | |
1819 of AVP instances of a given model in a chain of AVP */ | |
1820 static void parserules_stat_avps( struct dict_object * model_avp, struct fd_list *list, int * count, int * firstpos, int * lastpos) | |
1821 { | |
1822 struct fd_list * li; | |
1823 int curpos = 0; /* The current position in the list */ | |
1824 | |
1825 TRACE_ENTRY("%p %p %p %p %p", model_avp, list, count, firstpos, lastpos); | |
1826 | |
1827 *count = 0; /* number of instances found */ | |
1828 *firstpos = 0; /* position of the first instance */ | |
1829 *lastpos = 0; /* position of the last instance, starting from the end */ | |
1830 | |
1831 for (li = list->next; li != list; li = li->next) { | |
1832 /* Increment the current position counter */ | |
1833 curpos++; | |
1834 | |
1835 /* If we previously saved a "lastpos" information, increment it */ | |
1836 if (*lastpos != 0) | |
1837 (*lastpos)++; | |
1838 | |
1839 /* Check the type of the next AVP. We can compare the references directly, it is safe. */ | |
1840 if (_A(li->o)->avp_model == model_avp) { | |
1841 | |
1842 /* This AVP is of the type we are searching */ | |
1843 (*count)++; | |
1844 | |
1845 /* If we don't have yet a "firstpos", save it */ | |
1846 if (*firstpos == 0) | |
1847 *firstpos = curpos; | |
1848 | |
1849 /* Reset the lastpos */ | |
1850 (*lastpos) = 1; | |
1851 } | |
1852 } | |
1853 } | |
1854 | |
1855 /* We use this structure as parameter for the next function */ | |
1856 struct parserules_data { | |
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1857 struct fd_list * sentinel; /* Sentinel of the list of children AVP */ |
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1858 struct fd_pei * pei; /* If the rule conflicts, save the error here */ |
0 | 1859 }; |
1860 | |
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1861 /* Create an empty AVP of a given model (to use in Failed-AVP) */ |
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1862 static struct avp * empty_avp(struct dict_object * model_avp) |
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1863 { |
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1864 struct avp * avp = NULL; |
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1865 struct dict_avp_data avp_info; |
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1866 union avp_value val; |
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1867 unsigned char os[1] = { '\0' }; |
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1868 |
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1869 /* Create an instance */ |
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1870 CHECK_FCT_DO( fd_msg_avp_new(model_avp, 0, &avp ), return NULL ); |
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1871 |
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1872 /* Type of the AVP */ |
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1873 CHECK_FCT_DO( fd_dict_getval(model_avp, &avp_info), return NULL ); |
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1874 |
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1875 /* Prepare the empty value */ |
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1876 memset(&val, 0, sizeof(val)); |
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1877 switch (avp_info.avp_basetype) { |
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1878 case AVP_TYPE_OCTETSTRING: |
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1879 val.os.data = os; |
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1880 val.os.len = sizeof(os); |
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1881 case AVP_TYPE_INTEGER32: |
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1882 case AVP_TYPE_INTEGER64: |
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1883 case AVP_TYPE_UNSIGNED32: |
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1884 case AVP_TYPE_UNSIGNED64: |
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1885 case AVP_TYPE_FLOAT32: |
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1886 case AVP_TYPE_FLOAT64: |
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1887 CHECK_FCT_DO( fd_msg_avp_setvalue(avp, &val), return NULL ); |
400
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1888 case AVP_TYPE_GROUPED: |
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1889 /* For AVP_TYPE_GROUPED we don't do anything */ |
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1890 break; |
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1891 default: |
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1892 ASSERT(0); /* not handled */ |
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1893 } |
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1894 |
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1895 return avp; |
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1896 } |
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1897 |
0 | 1898 /* Check that a list of AVPs is compliant with a given rule -- will be iterated on the list of rules */ |
1899 static int parserules_check_one_rule(void * data, struct dict_rule_data *rule) | |
1900 { | |
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1901 int count, first, last, min; |
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1902 struct parserules_data * pr_data = data; |
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1903 char * avp_name = "<unresolved name>"; |
0 | 1904 |
1905 TRACE_ENTRY("%p %p", data, rule); | |
1906 | |
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1907 /* Get statistics of the AVP concerned by this rule in the parent instance */ |
0 | 1908 parserules_stat_avps( rule->rule_avp, pr_data->sentinel, &count, &first, &last); |
1909 | |
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1910 if (TRACE_BOOL(INFO)) |
0 | 1911 { |
1912 struct dict_avp_data avpdata; | |
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1913 int ret; |
0 | 1914 ret = fd_dict_getval(rule->rule_avp, &avpdata); |
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1915 if (ret == 0) |
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1916 avp_name = avpdata.avp_name; |
0 | 1917 |
1918 TRACE_DEBUG(ANNOYING, "Checking rule: p:%d(%d) m/M:%2d/%2d. Counted %d (first: %d, last:%d) of AVP '%s'", | |
1919 rule->rule_position, | |
1920 rule->rule_order, | |
1921 rule->rule_min, | |
1922 rule->rule_max, | |
1923 count, | |
1924 first, | |
1925 last, | |
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1926 avp_name |
0 | 1927 ); |
1928 } | |
1929 | |
1930 /* Now check the rule is not conflicting */ | |
1931 | |
1932 /* Check the "min" value */ | |
1933 if ((min = rule->rule_min) == -1) { | |
1934 if (rule->rule_position == RULE_OPTIONAL) | |
1935 min = 0; | |
1936 else | |
1937 min = 1; | |
1938 } | |
1939 if (count < min) { | |
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1940 TRACE_DEBUG(INFO, "Conflicting rule: the number of occurences (%d) is < the rule min (%d) for '%s'.", count, min, avp_name); |
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1941 if (pr_data->pei) { |
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1942 pr_data->pei->pei_errcode = "DIAMETER_MISSING_AVP"; |
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1943 pr_data->pei->pei_avp = empty_avp(rule->rule_avp); |
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1944 } |
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1945 return EBADMSG; |
0 | 1946 } |
1947 | |
1948 /* Check the "max" value */ | |
1949 if ((rule->rule_max != -1) && (count > rule->rule_max)) { | |
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1950 TRACE_DEBUG(INFO, "Conflicting rule: the number of occurences (%d) is > the rule max (%d) for '%s'.", count, rule->rule_max, avp_name); |
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1951 if (pr_data->pei) { |
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1952 if (rule->rule_max == 0) |
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1953 pr_data->pei->pei_errcode = "DIAMETER_AVP_NOT_ALLOWED"; |
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1954 else |
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1955 pr_data->pei->pei_errcode = "DIAMETER_AVP_OCCURS_TOO_MANY_TIMES"; |
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1956 pr_data->pei->pei_avp = empty_avp(rule->rule_avp); /* Well we are supposed to return the (max + 1)th instance of the AVP instead... Pfff... */ TODO("Improve..."); |
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1957 } |
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1958 return EBADMSG; |
0 | 1959 } |
1960 | |
1961 /* Check the position and order (if relevant) */ | |
1962 switch (rule->rule_position) { | |
1963 case RULE_OPTIONAL: | |
1964 case RULE_REQUIRED: | |
1965 /* No special position constraints */ | |
1966 break; | |
1967 | |
1968 case RULE_FIXED_HEAD: | |
1969 /* Since "0*1<fixed>" is a valid rule specifier, we only reject cases where the AVP appears *after* its fixed position */ | |
1970 if (first > rule->rule_order) { | |
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1971 TRACE_DEBUG(INFO, "Conflicting rule: the FIXED_HEAD AVP appears first in (%d) position, the rule requires (%d) for '%s'.", first, rule->rule_order, avp_name); |
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1972 if (pr_data->pei) { |
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1973 pr_data->pei->pei_errcode = "DIAMETER_MISSING_AVP"; |
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1974 pr_data->pei->pei_message = "AVP was not in its fixed position"; |
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1975 pr_data->pei->pei_avp = empty_avp(rule->rule_avp); |
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1976 } |
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1977 return EBADMSG; |
0 | 1978 } |
1979 break; | |
1980 | |
1981 case RULE_FIXED_TAIL: | |
1982 /* Since "0*1<fixed>" is a valid rule specifier, we only reject cases where the AVP appears *before* its fixed position */ | |
1983 if (last > rule->rule_order) { /* We have a ">" here because we count in reverse order (i.e. from the end) */ | |
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1984 TRACE_DEBUG(INFO, "Conflicting rule: the FIXED_TAIL AVP appears last in (%d) position, the rule requires (%d) for '%s'.", last, rule->rule_order, avp_name); |
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1985 if (pr_data->pei) { |
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1986 pr_data->pei->pei_errcode = "DIAMETER_MISSING_AVP"; |
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1987 pr_data->pei->pei_message = "AVP was not in its fixed position"; |
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1988 pr_data->pei->pei_avp = empty_avp(rule->rule_avp); |
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1989 } |
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1990 return EBADMSG; |
0 | 1991 } |
1992 break; | |
1993 | |
1994 default: | |
1995 /* What is this position ??? */ | |
1996 ASSERT(0); | |
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1997 return ENOTSUP; |
0 | 1998 } |
1999 | |
2000 /* We've checked all the parameters */ | |
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2001 return 0; |
0 | 2002 } |
2003 | |
2004 /* Check the rules recursively */ | |
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2005 static int parserules_do ( struct dictionary * dict, msg_or_avp * object, struct fd_pei *error_info, int mandatory) |
0 | 2006 { |
2007 struct parserules_data data; | |
2008 struct dict_object * model = NULL; | |
2009 | |
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2010 TRACE_ENTRY("%p %p %p %d", dict, object, error_info, mandatory); |
0 | 2011 |
2012 /* object has already been checked and dict-parsed when we are called. */ | |
2013 | |
2014 /* First, handle the cases where there is no model */ | |
2015 { | |
2016 if (CHECK_MSG(object)) { | |
2017 if ( _M(object)->msg_public.msg_flags & CMD_FLAG_ERROR ) { | |
2018 /* The case of error messages: the ABNF is different */ | |
2019 CHECK_FCT( fd_dict_get_error_cmd(dict, &model) ); | |
2020 } else { | |
2021 model = _M(object)->msg_model; | |
2022 } | |
2023 /* Commands MUST be supported in the dictionary */ | |
2024 if (model == NULL) { | |
2025 TRACE_DEBUG(INFO, "Message with no dictionary model. EBADMSG"); | |
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2026 if (error_info) { |
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2027 error_info->pei_errcode = "DIAMETER_COMMAND_UNSUPPORTED"; |
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2028 error_info->pei_protoerr = 1; |
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2029 } |
0 | 2030 return EBADMSG; |
2031 } | |
2032 } | |
2033 | |
2034 /* AVP with the 'M' flag must also be recognized in the dictionary -- except inside an optional grouped AVP */ | |
2035 if (CHECK_AVP(object) && ((model = _A(object)->avp_model) == NULL)) { | |
2036 if ( mandatory && (_A(object)->avp_public.avp_flags & AVP_FLAG_MANDATORY)) { | |
2037 /* Return an error in this case */ | |
2038 TRACE_DEBUG(INFO, "Mandatory AVP with no dictionary model. EBADMSG"); | |
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2039 if (error_info) { |
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2040 error_info->pei_errcode = "DIAMETER_AVP_UNSUPPORTED"; |
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2041 error_info->pei_avp = object; |
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2042 } |
0 | 2043 return EBADMSG; |
2044 } else { | |
2045 /* We don't know any rule for this object, so assume OK */ | |
2046 TRACE_DEBUG(FULL, "Unknown informational AVP, ignoring..."); | |
2047 return 0; | |
2048 } | |
2049 } | |
2050 } | |
2051 | |
2052 /* At this point we know "model" is set and points to the object's model */ | |
2053 | |
2054 /* If we are an AVP with no children, just return OK */ | |
2055 if (CHECK_AVP(object)) { | |
2056 struct dict_avp_data dictdata; | |
2057 CHECK_FCT( fd_dict_getval(model, &dictdata) ); | |
2058 if (dictdata.avp_basetype != AVP_TYPE_GROUPED) { | |
2059 /* This object has no children and no rules */ | |
2060 return 0; | |
2061 } | |
2062 } | |
2063 | |
2064 /* If this object has children, first check the rules for all its children */ | |
2065 { | |
2066 int is_child_mand = 0; | |
2067 struct fd_list * ch = NULL; | |
2068 if ( CHECK_MSG(object) | |
2069 || (mandatory && (_A(object)->avp_public.avp_flags & AVP_FLAG_MANDATORY)) ) | |
2070 is_child_mand = 1; | |
2071 for (ch = _C(object)->children.next; ch != &_C(object)->children; ch = ch->next) { | |
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2072 CHECK_FCT( parserules_do ( dict, _C(ch->o), error_info, is_child_mand ) ); |
0 | 2073 } |
2074 } | |
2075 | |
2076 /* Now check all rules of this object */ | |
2077 data.sentinel = &_C(object)->children; | |
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2078 data.pei = error_info; |
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2079 CHECK_FCT( fd_dict_iterate_rules ( model, &data, parserules_check_one_rule ) ); |
0 | 2080 |
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2081 return 0; |
0 | 2082 } |
2083 | |
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Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
2084 int fd_msg_parse_rules ( msg_or_avp * object, struct dictionary * dict, struct fd_pei *error_info) |
0 | 2085 { |
34
0e2b57789361
Backup for the WE, some warnings remaining
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
2086 TRACE_ENTRY("%p %p %p", object, dict, error_info); |
0 | 2087 |
35
6486e97f56ae
Added test for modified message parsing
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
34
diff
changeset
|
2088 if (error_info) |
6486e97f56ae
Added test for modified message parsing
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
34
diff
changeset
|
2089 memset(error_info, 0, sizeof(struct fd_pei)); |
6486e97f56ae
Added test for modified message parsing
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
34
diff
changeset
|
2090 |
0 | 2091 /* Resolve the dictionary objects when missing. This also validates the object. */ |
114
5b3868944e2b
Reporting errors in parse_dict function
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
112
diff
changeset
|
2092 CHECK_FCT( fd_msg_parse_dict ( object, dict, error_info ) ); |
0 | 2093 |
2094 /* Call the recursive function */ | |
34
0e2b57789361
Backup for the WE, some warnings remaining
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
2095 return parserules_do ( dict, object, error_info, 1 ) ; |
0 | 2096 } |
2097 | |
2098 /***************************************************************************************************************/ | |
2099 | |
2100 /* Compute the lengh of an object and its subtree. */ | |
2101 int fd_msg_update_length ( msg_or_avp * object ) | |
2102 { | |
2103 size_t sz = 0; | |
2104 struct dict_object * model; | |
2105 union { | |
2106 struct dict_cmd_data cmddata; | |
2107 struct dict_avp_data avpdata; | |
2108 } dictdata; | |
2109 | |
2110 TRACE_ENTRY("%p", object); | |
2111 | |
2112 /* Get the model of the object. This also validates the object */ | |
2113 CHECK_FCT( fd_msg_model ( object, &model ) ); | |
2114 | |
2115 /* Get the information of the model */ | |
2116 if (model) { | |
2117 CHECK_FCT( fd_dict_getval(model, &dictdata) ); | |
2118 } else { | |
2119 /* For unknown AVP, just don't change the size */ | |
2120 if (_C(object)->type == MSG_AVP) | |
2121 return 0; | |
2122 } | |
2123 | |
2124 /* Deal with easy cases: AVPs without children */ | |
2125 if ((_C(object)->type == MSG_AVP) && (dictdata.avpdata.avp_basetype != AVP_TYPE_GROUPED)) { | |
2126 /* Sanity check */ | |
2127 ASSERT(FD_IS_LIST_EMPTY(&_A(object)->avp_chain.children)); | |
2128 | |
2129 /* Now check that the data is set in the AVP */ | |
2130 CHECK_PARAMS( _A(object)->avp_public.avp_value ); | |
2131 | |
2132 sz = GETAVPHDRSZ( _A(object)->avp_public.avp_flags ); | |
2133 | |
2134 switch (dictdata.avpdata.avp_basetype) { | |
2135 case AVP_TYPE_OCTETSTRING: | |
2136 sz += _A(object)->avp_public.avp_value->os.len; | |
2137 break; | |
2138 | |
2139 case AVP_TYPE_INTEGER32: | |
2140 case AVP_TYPE_INTEGER64: | |
2141 case AVP_TYPE_UNSIGNED32: | |
2142 case AVP_TYPE_UNSIGNED64: | |
2143 case AVP_TYPE_FLOAT32: | |
2144 case AVP_TYPE_FLOAT64: | |
2145 sz += avp_value_sizes[dictdata.avpdata.avp_basetype]; | |
2146 break; | |
2147 | |
2148 default: | |
2149 /* Something went wrong... */ | |
2150 ASSERT(0); | |
2151 } | |
2152 } | |
2153 else /* message or grouped AVP */ | |
2154 { | |
2155 struct fd_list * ch = NULL; | |
2156 | |
2157 /* First, compute the header size */ | |
2158 if (_C(object)->type == MSG_AVP) { | |
2159 sz = GETAVPHDRSZ( _A(object)->avp_public.avp_flags ); | |
2160 } else { | |
2161 sz = GETMSGHDRSZ( ); | |
2162 } | |
2163 | |
2164 /* Recurse in all children and update the sz information */ | |
2165 for (ch = _C(object)->children.next; ch != &_C(object)->children; ch = ch->next) { | |
2166 CHECK_FCT( fd_msg_update_length ( ch->o ) ); | |
2167 | |
2168 /* Add the padded size to the parent */ | |
2169 sz += PAD4( _A(ch->o)->avp_public.avp_len ); | |
2170 } | |
2171 } | |
2172 | |
2173 /* When we arrive here, the "sz" variable contains the size to write in the object */ | |
2174 if (_C(object)->type == MSG_AVP) | |
2175 _A(object)->avp_public.avp_len = sz; | |
2176 else | |
2177 _M(object)->msg_public.msg_length = sz; | |
2178 | |
2179 return 0; | |
2180 } | |
2181 | |
2182 /***************************************************************************************************************/ | |
7
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2183 /* Macro to check if further callbacks must be called */ |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2184 #define TEST_ACTION_STOP() \ |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2185 if ((*msg == NULL) || (*action != DISP_ACT_CONT)) \ |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2186 goto no_error; |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2187 |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2188 /* Call all dispatch callbacks for a given message */ |
90
2c9444152e4b
Added the dispatch thread code
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
85
diff
changeset
|
2189 int fd_msg_dispatch ( struct msg ** msg, struct session * session, enum disp_action *action, const char ** error_code) |
7
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2190 { |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2191 struct dictionary * dict; |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2192 struct dict_object * app; |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2193 struct dict_object * cmd; |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2194 struct avp * avp; |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2195 struct fd_list * cb_list; |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2196 int ret = 0; |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2197 |
90
2c9444152e4b
Added the dispatch thread code
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
85
diff
changeset
|
2198 TRACE_ENTRY("%p %p %p %p", msg, session, action, error_code); |
7
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2199 CHECK_PARAMS( msg && CHECK_MSG(*msg) && action); |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2200 |
90
2c9444152e4b
Added the dispatch thread code
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
85
diff
changeset
|
2201 if (error_code) |
2c9444152e4b
Added the dispatch thread code
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
85
diff
changeset
|
2202 *error_code = NULL; |
132 | 2203 *action = DISP_ACT_CONT; |
90
2c9444152e4b
Added the dispatch thread code
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
85
diff
changeset
|
2204 |
7
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2205 /* Take the dispatch lock */ |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2206 CHECK_FCT( pthread_rwlock_rdlock(&fd_disp_lock) ); |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2207 pthread_cleanup_push( fd_cleanup_rwlock, &fd_disp_lock ); |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2208 |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2209 /* First, call the DISP_HOW_ANY callbacks */ |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2210 CHECK_FCT_DO( ret = fd_disp_call_cb_int( NULL, msg, NULL, session, action, NULL, NULL, NULL, NULL ), goto error ); |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2211 |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2212 TEST_ACTION_STOP(); |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2213 |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2214 /* If we don't know the model at this point, we stop cause we cannot get the dictionary. It's invalid: an error should already have been trigged by ANY callbacks */ |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2215 CHECK_PARAMS_DO(cmd = (*msg)->msg_model, { ret = EINVAL; goto error; } ); |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2216 |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2217 /* Now resolve message application */ |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2218 CHECK_FCT_DO( ret = fd_dict_getdict( cmd, &dict ), goto error ); |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2219 CHECK_FCT_DO( ret = fd_dict_search( dict, DICT_APPLICATION, APPLICATION_BY_ID, &(*msg)->msg_public.msg_appl, &app, 0 ), goto error ); |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2220 |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2221 if (app == NULL) { |
90
2c9444152e4b
Added the dispatch thread code
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
85
diff
changeset
|
2222 if ((*msg)->msg_public.msg_flags & CMD_FLAG_REQUEST) { |
2c9444152e4b
Added the dispatch thread code
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
85
diff
changeset
|
2223 if (error_code) |
2c9444152e4b
Added the dispatch thread code
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
85
diff
changeset
|
2224 *error_code = "DIAMETER_APPLICATION_UNSUPPORTED"; |
2c9444152e4b
Added the dispatch thread code
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
85
diff
changeset
|
2225 *action = DISP_ACT_ERROR; |
2c9444152e4b
Added the dispatch thread code
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
85
diff
changeset
|
2226 } else { |
2c9444152e4b
Added the dispatch thread code
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
85
diff
changeset
|
2227 TRACE_DEBUG(INFO, "Received an answer to a local query with an unsupported application %d, discarding...", (*msg)->msg_public.msg_appl); |
2c9444152e4b
Added the dispatch thread code
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
85
diff
changeset
|
2228 fd_msg_dump_walk(INFO, *msg); |
2c9444152e4b
Added the dispatch thread code
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
85
diff
changeset
|
2229 fd_msg_free(*msg); |
2c9444152e4b
Added the dispatch thread code
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
85
diff
changeset
|
2230 *msg = NULL; |
2c9444152e4b
Added the dispatch thread code
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
85
diff
changeset
|
2231 } |
2c9444152e4b
Added the dispatch thread code
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
85
diff
changeset
|
2232 goto no_error; |
7
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2233 } |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2234 |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2235 /* So start browsing the message */ |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2236 CHECK_FCT_DO( ret = fd_msg_browse( *msg, MSG_BRW_FIRST_CHILD, &avp, NULL ), goto error ); |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2237 while (avp != NULL) { |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2238 /* For unknown AVP, we don't have a callback registered, so just skip */ |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2239 if (avp->avp_model) { |
330
e283e18b2673
Removed incorrect ASSERT -- thanks to Alexandre for the bug finding.
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
291
diff
changeset
|
2240 struct dict_object * enumval = NULL; |
7
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2241 |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2242 /* Get the list of callback for this AVP */ |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2243 CHECK_FCT_DO( ret = fd_dict_disp_cb(DICT_AVP, avp->avp_model, &cb_list), goto error ); |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2244 |
330
e283e18b2673
Removed incorrect ASSERT -- thanks to Alexandre for the bug finding.
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
291
diff
changeset
|
2245 /* We search enumerated values only in case of non-grouped AVP */ |
e283e18b2673
Removed incorrect ASSERT -- thanks to Alexandre for the bug finding.
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
291
diff
changeset
|
2246 if ( avp->avp_public.avp_value ) { |
e283e18b2673
Removed incorrect ASSERT -- thanks to Alexandre for the bug finding.
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
291
diff
changeset
|
2247 struct dict_object * type; |
e283e18b2673
Removed incorrect ASSERT -- thanks to Alexandre for the bug finding.
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
291
diff
changeset
|
2248 /* Check if the AVP has a constant value */ |
e283e18b2673
Removed incorrect ASSERT -- thanks to Alexandre for the bug finding.
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
291
diff
changeset
|
2249 CHECK_FCT_DO( ret = fd_dict_search(dict, DICT_TYPE, TYPE_OF_AVP, avp->avp_model, &type, 0), goto error ); |
e283e18b2673
Removed incorrect ASSERT -- thanks to Alexandre for the bug finding.
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
291
diff
changeset
|
2250 if (type) { |
e283e18b2673
Removed incorrect ASSERT -- thanks to Alexandre for the bug finding.
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
291
diff
changeset
|
2251 struct dict_enumval_request req; |
e283e18b2673
Removed incorrect ASSERT -- thanks to Alexandre for the bug finding.
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
291
diff
changeset
|
2252 memset(&req, 0, sizeof(struct dict_enumval_request)); |
e283e18b2673
Removed incorrect ASSERT -- thanks to Alexandre for the bug finding.
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
291
diff
changeset
|
2253 req.type_obj = type; |
e283e18b2673
Removed incorrect ASSERT -- thanks to Alexandre for the bug finding.
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
291
diff
changeset
|
2254 memcpy( &req.search.enum_value, avp->avp_public.avp_value, sizeof(union avp_value) ); |
e283e18b2673
Removed incorrect ASSERT -- thanks to Alexandre for the bug finding.
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
291
diff
changeset
|
2255 CHECK_FCT_DO( ret = fd_dict_search(dict, DICT_ENUMVAL, ENUMVAL_BY_STRUCT, &req, &enumval, 0), goto error ); |
e283e18b2673
Removed incorrect ASSERT -- thanks to Alexandre for the bug finding.
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
291
diff
changeset
|
2256 } |
7
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2257 } |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2258 |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2259 /* Call the callbacks */ |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2260 CHECK_FCT_DO( ret = fd_disp_call_cb_int( cb_list, msg, avp, session, action, app, cmd, avp->avp_model, enumval ), goto error ); |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2261 TEST_ACTION_STOP(); |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2262 } |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2263 /* Go to next AVP */ |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2264 CHECK_FCT_DO( ret = fd_msg_browse( avp, MSG_BRW_WALK, &avp, NULL ), goto error ); |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2265 } |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2266 |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
|
2267 /* Now call command and application callbacks */ |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
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2268 CHECK_FCT_DO( ret = fd_dict_disp_cb(DICT_COMMAND, cmd, &cb_list), goto error ); |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
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2269 CHECK_FCT_DO( ret = fd_disp_call_cb_int( cb_list, msg, NULL, session, action, app, cmd, NULL, NULL ), goto error ); |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
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2270 TEST_ACTION_STOP(); |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
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|
2271 |
e5af94b04946
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Sebastien Decugis <sdecugis@nict.go.jp>
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2272 if (app) { |
e5af94b04946
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Sebastien Decugis <sdecugis@nict.go.jp>
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2273 CHECK_FCT_DO( ret = fd_dict_disp_cb(DICT_APPLICATION, app, &cb_list), goto error ); |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
diff
changeset
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2274 CHECK_FCT_DO( ret = fd_disp_call_cb_int( cb_list, msg, NULL, session, action, app, cmd, NULL, NULL ), goto error ); |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
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2275 TEST_ACTION_STOP(); |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
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2276 } |
e5af94b04946
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Sebastien Decugis <sdecugis@nict.go.jp>
parents:
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2277 |
e5af94b04946
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Sebastien Decugis <sdecugis@nict.go.jp>
parents:
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2278 pthread_cleanup_pop(0); |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
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2279 |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
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2280 no_error: |
e5af94b04946
Added dispatch module and tests
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2281 CHECK_POSIX(pthread_rwlock_unlock(&fd_disp_lock) ); |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
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2282 return 0; |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
4
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2283 |
e5af94b04946
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Sebastien Decugis <sdecugis@nict.go.jp>
parents:
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2284 error: |
e5af94b04946
Added dispatch module and tests
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parents:
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|
2285 CHECK_POSIX_DO(pthread_rwlock_unlock(&fd_disp_lock), /* ignore */ ); |
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
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2286 return ret; |
e5af94b04946
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Sebastien Decugis <sdecugis@nict.go.jp>
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2287 } |