Mercurial > hg > freeDiameter
annotate libfreeDiameter/dictionary.c @ 446:66f58cecf3cd
Fix invalid array size (found by valgrind)
| author | Sebastien Decugis <sdecugis@nict.go.jp> |
|---|---|
| date | Thu, 29 Jul 2010 10:38:39 +0900 |
| parents | 5df55136361b |
| children | 0b5d21c87855 |
| rev | line source |
|---|---|
| 0 | 1 /********************************************************************************************************* |
| 2 * Software License Agreement (BSD License) * | |
| 3 * Author: Sebastien Decugis <sdecugis@nict.go.jp> * | |
| 4 * * | |
|
258
5df55136361b
Updated copyright information
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
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diff
changeset
|
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 | |
|
1
bafb831ba688
Fix names to proper case for freeDiameter
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
0
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changeset
|
36 #include "libfD.h" |
| 0 | 37 |
| 38 /* Names of the base types */ | |
| 39 const char * type_base_name[] = { /* must keep in sync with dict_avp_basetype */ | |
| 40 "GROUPED", /* AVP_TYPE_GROUPED */ | |
| 41 "OCTETSTRING", /* AVP_TYPE_OCTETSTRING */ | |
| 42 "INTEGER32", /* AVP_TYPE_INTEGER32 */ | |
| 43 "INTEGER64", /* AVP_TYPE_INTEGER64 */ | |
| 44 "UNSIGNED32", /* AVP_TYPE_UNSIGNED32 */ | |
| 45 "UNSIGNED64", /* AVP_TYPE_UNSIGNED64 */ | |
| 46 "FLOAT32", /* AVP_TYPE_FLOAT32 */ | |
| 47 "FLOAT64" /* AVP_TYPE_FLOAT64 */ | |
| 48 }; | |
| 49 | |
| 50 /* The number of lists in an object */ | |
| 51 #define NB_LISTS_PER_OBJ 3 | |
| 52 | |
| 53 /* Some eye catchers definitions */ | |
| 54 #define OBJECT_EYECATCHER (0x0b13c7) | |
| 55 #define DICT_EYECATCHER (0x00d1c7) | |
| 56 | |
| 57 /* Definition of the dictionary objects */ | |
| 58 struct dict_object { | |
| 59 enum dict_object_type type; /* What type of object is this? */ | |
| 60 int objeyec;/* eyecatcher for this object */ | |
| 61 int typeyec;/* eyecatcher for this type of object */ | |
| 62 struct dictionary *dico; /* The dictionary this object belongs to */ | |
| 63 | |
| 64 union { | |
| 65 struct dict_vendor_data vendor; | |
| 66 struct dict_application_data application; | |
| 67 struct dict_type_data type; | |
| 68 struct dict_enumval_data enumval; | |
| 69 struct dict_avp_data avp; | |
| 70 struct dict_cmd_data cmd; | |
| 71 struct dict_rule_data rule; | |
| 72 } data; /* The data of this object */ | |
| 73 | |
| 74 struct dict_object * parent; /* The parent of this object, if any */ | |
| 75 | |
| 76 struct fd_list list[NB_LISTS_PER_OBJ];/* used to chain objects.*/ | |
| 77 /* More information about the lists : | |
| 78 | |
| 79 - the use for each list depends on the type of object. See detail bellow. | |
| 80 | |
| 81 - a sentinel for a list has its 'o' field cleared. (this is the criteria to detect end of a loop) | |
| 82 | |
| 83 - The lists are always ordered. The criteria are described bellow. the functions to order them are referenced in dict_obj_info | |
| 84 | |
| 85 - The dict_lock must be held for any list operation. | |
| 86 | |
| 87 => VENDORS: | |
| 88 list[0]: list of the vendors, ordered by their id. The sentinel is g_dict_vendors (vendor with id 0) | |
| 89 list[1]: sentinel for the list of AVPs from this vendor, ordered by AVP code. | |
| 90 list[2]: sentinel for the list of AVPs from this vendor, ordered by AVP name. | |
| 91 | |
| 92 => APPLICATIONS: | |
| 93 list[0]: list of the applications, ordered by their id. The sentinel is g_dict_applications (application with id 0) | |
| 94 list[1]: not used | |
| 95 list[2]: not used. | |
| 96 | |
| 97 => TYPES: | |
| 98 list[0]: list of the types, ordered by their names. The sentinel is g_list_types. | |
| 99 list[1]: sentinel for the type_enum list of this type, ordered by their constant name. | |
| 100 list[2]: sentinel for the type_enum list of this type, ordered by their constant value. | |
| 101 | |
| 102 => TYPE_ENUMS: | |
| 103 list[0]: list of the contants for a given type, ordered by the constant name. Sentinel is a (list[1]) element of a TYPE object. | |
| 104 list[1]: list of the contants for a given type, ordered by the constant value. Sentinel is a (list[2]) element of a TYPE object. | |
| 105 list[2]: not used | |
| 106 | |
| 107 => AVPS: | |
| 108 list[0]: list of the AVP from a given vendor, ordered by avp code. Sentinel is a list[1] element of a VENDOR object. | |
| 109 list[1]: list of the AVP from a given vendor, ordered by avp name. Sentinel is a list[2] element of a VENDOR object. | |
| 110 list[2]: sentinel for the rule list that apply to this AVP. | |
| 111 | |
| 112 => COMMANDS: | |
| 113 list[0]: list of the commands, ordered by their names. The sentinel is g_list_cmd_name. | |
| 114 list[1]: list of the commands, ordered by their command code and 'R' flag. The sentinel is g_list_cmd_code. | |
| 115 list[2]: sentinel for the rule list that apply to this command. | |
| 116 | |
| 117 => RULES: | |
| 118 list[0]: list of the rules for a given (grouped) AVP or Command, ordered by the AVP name to which they refer. sentinel is list[2] of a command or (grouped) avp. | |
| 119 list[1]: not used | |
| 120 list[2]: not used. | |
| 121 | |
| 122 */ | |
| 123 | |
| 124 /* Sentinel for the dispatch callbacks */ | |
| 125 struct fd_list disp_cbs; | |
| 126 | |
| 127 }; | |
| 128 | |
| 129 /* Definition of the dictionary structure */ | |
| 130 struct dictionary { | |
| 131 int dict_eyec; /* Eye-catcher for the dictionary (DICT_EYECATCHER) */ | |
| 132 | |
| 133 pthread_rwlock_t dict_lock; /* The global rwlock for the dictionary */ | |
| 134 | |
| 135 struct dict_object dict_vendors; /* Sentinel for the list of vendors, corresponding to vendor 0 */ | |
| 136 struct dict_object dict_applications; /* Sentinel for the list of applications, corresponding to app 0 */ | |
| 137 struct fd_list dict_types; /* Sentinel for the list of types */ | |
| 138 struct fd_list dict_cmd_name; /* Sentinel for the list of commands, ordered by names */ | |
| 139 struct fd_list dict_cmd_code; /* Sentinel for the list of commands, ordered by codes */ | |
| 140 | |
| 141 struct dict_object dict_cmd_error; /* Special command object for answers with the 'E' bit set */ | |
| 142 | |
|
446
66f58cecf3cd
Fix invalid array size (found by valgrind)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
258
diff
changeset
|
143 int dict_count[DICT_TYPE_MAX + 1]; /* Number of objects of each type */ |
| 0 | 144 }; |
| 145 | |
| 146 /* Forward declarations of dump functions */ | |
| 147 static void dump_vendor_data ( void * data ); | |
| 148 static void dump_application_data ( void * data ); | |
| 149 static void dump_type_data ( void * data ); | |
| 150 /* the dump function for enum has a different prototype since it need the datatype */ | |
| 151 static void dump_avp_data ( void * data ); | |
| 152 static void dump_command_data ( void * data ); | |
| 153 static void dump_rule_data ( void * data ); | |
| 154 | |
| 155 /* Forward declarations of search functions */ | |
| 156 static int search_vendor ( struct dictionary * dict, int criteria, void * what, struct dict_object **result ); | |
| 157 static int search_application ( struct dictionary * dict, int criteria, void * what, struct dict_object **result ); | |
| 158 static int search_type ( struct dictionary * dict, int criteria, void * what, struct dict_object **result ); | |
| 159 static int search_enumval ( struct dictionary * dict, int criteria, void * what, struct dict_object **result ); | |
| 160 static int search_avp ( struct dictionary * dict, int criteria, void * what, struct dict_object **result ); | |
| 161 static int search_cmd ( struct dictionary * dict, int criteria, void * what, struct dict_object **result ); | |
| 162 static int search_rule ( struct dictionary * dict, int criteria, void * what, struct dict_object **result ); | |
| 163 | |
| 164 /* The following array contains lot of data about the different types of objects, for automated handling */ | |
| 165 static struct { | |
| 166 enum dict_object_type type; /* information for this type */ | |
| 167 char * name; /* string describing this object, for debug */ | |
| 168 size_t datasize; /* The size of the data structure */ | |
| 169 int parent; /* 0: never; 1: may; 2: must */ | |
| 170 enum dict_object_type parenttype; /* The type of the parent, when relevant */ | |
| 171 int eyecatcher; /* A kind of signature for this object */ | |
| 172 void (*dump_data)(void * data ); /* The function to dump the data section */ | |
| 173 int (*search_fct)(struct dictionary * dict, int criteria, void * what, struct dict_object **result );; /* The function to search an object of this type */ | |
| 174 int haslist[NB_LISTS_PER_OBJ]; /* Tell if this list is used */ | |
| 175 } dict_obj_info[] = { { 0, "(error)", 0, 0, 0, 0, NULL, NULL, {0, 0, 0} } | |
| 176 | |
| 177 /* type name datasize parent parenttype | |
| 178 eyecatcher dump_data search_fct, haslist[] */ | |
| 179 | |
| 180 ,{ DICT_VENDOR, "VENDOR", sizeof(struct dict_vendor_data), 0, 0, | |
| 181 OBJECT_EYECATCHER + 1, dump_vendor_data, search_vendor, { 1, 0, 0 } } | |
| 182 | |
| 183 ,{ DICT_APPLICATION, "APPLICATION", sizeof(struct dict_application_data), 1, DICT_VENDOR, | |
| 184 OBJECT_EYECATCHER + 2, dump_application_data, search_application, { 1, 0, 0 } } | |
| 185 | |
| 186 ,{ DICT_TYPE, "TYPE", sizeof(struct dict_type_data), 1, DICT_APPLICATION, | |
| 187 OBJECT_EYECATCHER + 3, dump_type_data, search_type, { 1, 0, 0 } } | |
| 188 | |
| 189 ,{ DICT_ENUMVAL, "ENUMVAL", sizeof(struct dict_enumval_data), 2, DICT_TYPE, | |
| 190 OBJECT_EYECATCHER + 4, NULL, search_enumval, { 1, 1, 0 } } | |
| 191 | |
| 192 ,{ DICT_AVP, "AVP", sizeof(struct dict_avp_data), 1, DICT_TYPE, | |
| 193 OBJECT_EYECATCHER + 5, dump_avp_data, search_avp, { 1, 1, 0 } } | |
| 194 | |
| 195 ,{ DICT_COMMAND, "COMMAND", sizeof(struct dict_cmd_data), 1, DICT_APPLICATION, | |
| 196 OBJECT_EYECATCHER + 6, dump_command_data, search_cmd, { 1, 1, 0 } } | |
| 197 | |
| 198 ,{ DICT_RULE, "RULE", sizeof(struct dict_rule_data), 2, -1 /* special case: grouped avp or command */, | |
| 199 OBJECT_EYECATCHER + 7, dump_rule_data, search_rule, { 1, 0, 0 } } | |
| 200 | |
| 201 }; | |
| 202 | |
| 203 /* Macro to verify a "type" value */ | |
| 204 #define CHECK_TYPE( type ) ( ((type) > 0) && ((type) <= DICT_TYPE_MAX) ) | |
| 205 | |
| 206 /* Cast macro */ | |
| 207 #define _O( object ) ((struct dict_object *) (object)) | |
| 208 | |
| 209 /* Get information line for a given object */ | |
| 210 #define _OBINFO(object) (dict_obj_info[CHECK_TYPE(_O(object)->type) ? _O(object)->type : 0]) | |
| 211 | |
| 212 | |
| 213 | |
| 214 | |
| 215 /*******************************************************************************************************/ | |
| 216 /*******************************************************************************************************/ | |
| 217 /* */ | |
| 218 /* Objects management */ | |
| 219 /* */ | |
| 220 /*******************************************************************************************************/ | |
| 221 /*******************************************************************************************************/ | |
| 222 | |
| 223 /* Functions to manage the objects creation and destruction. */ | |
| 224 | |
| 225 /* Duplicate a string inplace */ | |
| 226 #define DUP_string( str ) { \ | |
| 227 char * __str = (str); \ | |
| 228 CHECK_MALLOC( (str) = strdup(__str) ); \ | |
| 229 } | |
| 230 | |
| 231 /* Initialize an object */ | |
| 232 static void init_object( struct dict_object * obj, enum dict_object_type type ) | |
| 233 { | |
| 234 int i; | |
| 235 | |
| 236 TRACE_ENTRY("%p %d", obj, type); | |
| 237 | |
| 238 /* Clean the object first */ | |
| 239 memset ( obj, 0, sizeof(struct dict_object)); | |
| 240 | |
| 241 CHECK_PARAMS_DO( CHECK_TYPE(type), return ); | |
| 242 | |
| 243 obj->type = type; | |
| 244 obj->objeyec = OBJECT_EYECATCHER; | |
| 245 obj->typeyec = _OBINFO(obj).eyecatcher; | |
| 246 | |
| 247 /* We don't initialize the data nor the parent here */ | |
| 248 | |
| 249 /* Now init the lists */ | |
| 250 for (i=0; i<NB_LISTS_PER_OBJ; i++) { | |
| 251 if (_OBINFO(obj).haslist[i] != 0) | |
| 252 fd_list_init(&obj->list[i], obj); | |
| 253 else | |
| 254 fd_list_init(&obj->list[i], NULL); | |
| 255 } | |
| 256 | |
| 257 fd_list_init(&obj->disp_cbs, NULL); | |
| 258 } | |
| 259 | |
| 260 /* Initialize the "data" part of an object */ | |
| 261 static int init_object_data(void * dest, void * source, enum dict_object_type type) | |
| 262 { | |
| 263 TRACE_ENTRY("%p %p %d", dest, source, type); | |
| 264 CHECK_PARAMS( dest && source && CHECK_TYPE(type) ); | |
| 265 | |
| 266 /* Generic: copy the full data structure */ | |
| 267 memcpy( dest, source, dict_obj_info[type].datasize ); | |
| 268 | |
| 269 /* Then strings must be duplicated, not copied */ | |
| 270 /* This function might be simplified by always defining the "name" field as the first field of the structures, but... it's error-prone */ | |
| 271 switch (type) { | |
| 272 case DICT_VENDOR: | |
| 273 DUP_string( ((struct dict_vendor_data *)dest)->vendor_name ); | |
| 274 break; | |
| 275 | |
| 276 case DICT_APPLICATION: | |
| 277 DUP_string( ((struct dict_application_data *)dest)->application_name ); | |
| 278 break; | |
| 279 | |
| 280 case DICT_TYPE: | |
| 281 DUP_string( ((struct dict_type_data *)dest)->type_name ); | |
| 282 break; | |
| 283 | |
| 284 case DICT_ENUMVAL: | |
| 285 DUP_string( ((struct dict_enumval_data *)dest)->enum_name ); | |
| 286 break; | |
| 287 | |
| 288 case DICT_AVP: | |
| 289 DUP_string( ((struct dict_avp_data *)dest)->avp_name ); | |
| 290 break; | |
| 291 | |
| 292 case DICT_COMMAND: | |
| 293 DUP_string( ((struct dict_cmd_data *)dest)->cmd_name ); | |
| 294 break; | |
| 295 | |
| 296 default: | |
| 297 /* Nothing to do for RULES */ | |
| 298 ; | |
| 299 } | |
| 300 | |
| 301 return 0; | |
| 302 } | |
| 303 | |
| 304 /* Check that an object is valid (1: OK, 0: error) */ | |
| 305 static int verify_object( struct dict_object * obj ) | |
| 306 { | |
| 307 TRACE_ENTRY("%p", obj); | |
| 308 | |
| 309 CHECK_PARAMS_DO( obj | |
| 310 && (obj->objeyec == OBJECT_EYECATCHER) | |
| 311 && CHECK_TYPE(obj->type) | |
| 312 && (obj->typeyec == dict_obj_info[obj->type].eyecatcher), | |
| 313 { | |
| 314 if (obj) { | |
| 315 TRACE_DEBUG(FULL, "Invalid object : %p\n" | |
| 316 " obj->objeyec : %x / %x\n" | |
| 317 " obj->type : %d\n" | |
| 318 " obj->objeyec : %x / %x\n" | |
| 319 " obj->typeyec : %x / %x", | |
| 320 obj, | |
| 321 obj->objeyec, OBJECT_EYECATCHER, | |
| 322 obj->type, | |
| 323 obj->objeyec, OBJECT_EYECATCHER, | |
| 324 obj->typeyec, _OBINFO(obj).eyecatcher); | |
| 325 } | |
| 326 return 0; | |
| 327 } ); | |
| 328 | |
| 329 /* The object is probably valid. */ | |
| 330 return 1; | |
| 331 } | |
| 332 | |
| 333 /* Free the data associated to an object */ | |
| 334 static void destroy_object_data(struct dict_object * obj) | |
| 335 { | |
| 336 /* TRACE_ENTRY("%p", obj); */ | |
| 337 | |
| 338 switch (obj->type) { | |
| 339 case DICT_VENDOR: | |
| 340 free( obj->data.vendor.vendor_name ); | |
| 341 break; | |
| 342 | |
| 343 case DICT_APPLICATION: | |
| 344 free( obj->data.application.application_name ); | |
| 345 break; | |
| 346 | |
| 347 case DICT_TYPE: | |
| 348 free( obj->data.type.type_name ); | |
| 349 break; | |
| 350 | |
| 351 case DICT_ENUMVAL: | |
| 352 free( obj->data.enumval.enum_name ); | |
| 353 break; | |
| 354 | |
| 355 case DICT_AVP: | |
| 356 free( obj->data.avp.avp_name ); | |
| 357 break; | |
| 358 | |
| 359 case DICT_COMMAND: | |
| 360 free( obj->data.cmd.cmd_name ); | |
| 361 break; | |
| 362 | |
| 363 default: | |
| 364 /* nothing to do */ | |
| 365 ; | |
| 366 } | |
| 367 } | |
| 368 | |
| 369 /* Forward declaration */ | |
| 370 static void destroy_object(struct dict_object * obj); | |
| 371 | |
| 372 /* Destroy all objects in a list - the lock must be held */ | |
| 373 static void destroy_list(struct fd_list * head) | |
| 374 { | |
| 375 /* TRACE_ENTRY("%p", head); */ | |
| 376 | |
| 377 /* loop in the list */ | |
| 378 while (!FD_IS_LIST_EMPTY(head)) | |
| 379 { | |
| 380 /* When destroying the object, it is unlinked from the list */ | |
| 381 destroy_object(_O(head->next->o)); | |
| 382 } | |
| 383 } | |
| 384 | |
| 385 /* Free an object and its sublists */ | |
| 386 static void destroy_object(struct dict_object * obj) | |
| 387 { | |
| 388 int i; | |
| 389 | |
| 390 /* TRACE_ENTRY("%p", obj); */ | |
| 391 | |
| 392 /* Update global count */ | |
| 393 if (obj->dico) | |
| 394 obj->dico->dict_count[obj->type]--; | |
| 395 | |
| 396 /* Mark the object as invalid */ | |
| 397 obj->objeyec = 0xdead; | |
| 398 | |
| 399 /* First, destroy the data associated to the object */ | |
| 400 destroy_object_data(obj); | |
| 401 | |
| 402 for (i=0; i<NB_LISTS_PER_OBJ; i++) { | |
| 403 if (_OBINFO(obj).haslist[i]) | |
| 404 /* unlink the element from the list */ | |
| 405 fd_list_unlink( &obj->list[i] ); | |
| 406 else | |
| 407 /* This is either a sentinel or unused (=emtpy) list, let's destroy it */ | |
| 408 destroy_list( &obj->list[i] ); | |
| 409 } | |
| 410 | |
| 411 /* Unlink all elements from the dispatch list; they will be freed when callback is unregistered */ | |
|
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e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
1
diff
changeset
|
412 CHECK_POSIX_DO( pthread_rwlock_wrlock(&fd_disp_lock), /* continue */ ); |
| 0 | 413 while (!FD_IS_LIST_EMPTY(&obj->disp_cbs)) { |
| 414 fd_list_unlink( obj->disp_cbs.next ); | |
| 415 } | |
|
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e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
1
diff
changeset
|
416 CHECK_POSIX_DO( pthread_rwlock_unlock(&fd_disp_lock), /* continue */ ); |
| 0 | 417 |
| 418 /* Last, destroy the object */ | |
| 419 free(obj); | |
| 420 } | |
| 421 | |
| 422 /*******************************************************************************************************/ | |
| 423 /*******************************************************************************************************/ | |
| 424 /* */ | |
| 425 /* Compare functions */ | |
| 426 /* */ | |
| 427 /*******************************************************************************************************/ | |
| 428 /*******************************************************************************************************/ | |
| 429 | |
| 430 /* Compare two values */ | |
| 431 #define ORDER_scalar( i1, i2 ) \ | |
| 432 ((i1 < i2 ) ? -1 : ( i1 > i2 ? 1 : 0 )) | |
| 433 | |
| 434 | |
| 435 /* Compare two vendor objects by their id (checks already performed) */ | |
| 436 static int order_vendor_by_id ( struct dict_object *o1, struct dict_object *o2 ) | |
| 437 { | |
| 438 TRACE_ENTRY("%p %p", o1, o2); | |
| 439 | |
| 440 return ORDER_scalar( o1->data.vendor.vendor_id, o2->data.vendor.vendor_id ); | |
| 441 } | |
| 442 | |
| 443 /* Compare two application objects by their id (checks already performed) */ | |
| 444 static int order_appli_by_id ( struct dict_object *o1, struct dict_object *o2 ) | |
| 445 { | |
| 446 TRACE_ENTRY("%p %p", o1, o2); | |
| 447 | |
| 448 return ORDER_scalar( o1->data.application.application_id, o2->data.application.application_id ); | |
| 449 } | |
| 450 | |
| 451 /* Compare two type objects by their name (checks already performed) */ | |
| 452 static int order_type_by_name ( struct dict_object *o1, struct dict_object *o2 ) | |
| 453 { | |
| 454 TRACE_ENTRY("%p %p", o1, o2); | |
| 455 | |
| 456 return strcmp( o1->data.type.type_name, o2->data.type.type_name ); | |
| 457 } | |
| 458 | |
| 459 /* Compare two type_enum objects by their names (checks already performed) */ | |
| 460 static int order_enum_by_name ( struct dict_object *o1, struct dict_object *o2 ) | |
| 461 { | |
| 462 TRACE_ENTRY("%p %p", o1, o2); | |
| 463 | |
| 464 return strcmp( o1->data.enumval.enum_name, o2->data.enumval.enum_name ); | |
| 465 } | |
| 466 | |
| 467 /* Compare two type_enum objects by their values (checks already performed) */ | |
| 468 static int order_enum_by_val ( struct dict_object *o1, struct dict_object *o2 ) | |
| 469 { | |
| 470 size_t oslen; | |
| 471 int cmp = 0; | |
| 472 | |
| 473 TRACE_ENTRY("%p %p", o1, o2); | |
| 474 | |
| 475 /* The comparison function depends on the type of data */ | |
| 476 switch ( o1->parent->data.type.type_base ) { | |
| 477 case AVP_TYPE_OCTETSTRING: | |
| 478 oslen = o1->data.enumval.enum_value.os.len; | |
| 479 if (o2->data.enumval.enum_value.os.len < oslen) | |
| 480 oslen = o2->data.enumval.enum_value.os.len; | |
| 481 cmp = memcmp(o1->data.enumval.enum_value.os.data, o2->data.enumval.enum_value.os.data, oslen ); | |
| 482 return (cmp ? cmp : ORDER_scalar(o1->data.enumval.enum_value.os.len,o2->data.enumval.enum_value.os.len)); | |
| 483 | |
| 484 case AVP_TYPE_INTEGER32: | |
| 485 return ORDER_scalar( o1->data.enumval.enum_value.i32, o2->data.enumval.enum_value.i32 ); | |
| 486 | |
| 487 case AVP_TYPE_INTEGER64: | |
| 488 return ORDER_scalar( o1->data.enumval.enum_value.i64, o2->data.enumval.enum_value.i64 ); | |
| 489 | |
| 490 case AVP_TYPE_UNSIGNED32: | |
| 491 return ORDER_scalar( o1->data.enumval.enum_value.u32, o2->data.enumval.enum_value.u32 ); | |
| 492 | |
| 493 case AVP_TYPE_UNSIGNED64: | |
| 494 return ORDER_scalar( o1->data.enumval.enum_value.u64, o2->data.enumval.enum_value.u64 ); | |
| 495 | |
| 496 case AVP_TYPE_FLOAT32: | |
| 497 return ORDER_scalar( o1->data.enumval.enum_value.f32, o2->data.enumval.enum_value.f32 ); | |
| 498 | |
| 499 case AVP_TYPE_FLOAT64: | |
| 500 return ORDER_scalar( o1->data.enumval.enum_value.f64, o2->data.enumval.enum_value.f64 ); | |
| 501 | |
| 502 case AVP_TYPE_GROUPED: | |
| 503 default: | |
| 504 ASSERT(0); | |
| 505 } | |
| 506 return 0; | |
| 507 } | |
| 508 | |
| 509 /* Compare two avp objects by their codes (checks already performed) */ | |
| 510 static int order_avp_by_code ( struct dict_object *o1, struct dict_object *o2 ) | |
| 511 { | |
| 512 TRACE_ENTRY("%p %p", o1, o2); | |
| 513 | |
| 514 return ORDER_scalar( o1->data.avp.avp_code, o2->data.avp.avp_code ); | |
| 515 } | |
| 516 | |
| 517 /* Compare two avp objects by their names (checks already performed) */ | |
| 518 static int order_avp_by_name ( struct dict_object *o1, struct dict_object *o2 ) | |
| 519 { | |
| 520 TRACE_ENTRY("%p %p", o1, o2); | |
| 521 | |
| 522 return strcmp( o1->data.avp.avp_name, o2->data.avp.avp_name ); | |
| 523 } | |
| 524 | |
| 525 /* Compare two command objects by their names (checks already performed) */ | |
| 526 static int order_cmd_by_name ( struct dict_object *o1, struct dict_object *o2 ) | |
| 527 { | |
| 528 TRACE_ENTRY("%p %p", o1, o2); | |
| 529 | |
| 530 return strcmp( o1->data.cmd.cmd_name, o2->data.cmd.cmd_name ); | |
| 531 } | |
| 532 | |
| 533 /* Compare two command objects by their codes and flags (request or answer) (checks already performed) */ | |
| 534 static int order_cmd_by_codefl( struct dict_object *o1, struct dict_object *o2 ) | |
| 535 { | |
| 536 uint8_t fl1, fl2; | |
| 537 int cmp = 0; | |
| 538 | |
| 539 TRACE_ENTRY("%p %p", o1, o2); | |
| 540 | |
| 541 cmp = ORDER_scalar( o1->data.cmd.cmd_code, o2->data.cmd.cmd_code ); | |
| 542 if (cmp) | |
| 543 return cmp; | |
| 544 | |
| 545 /* Same command code, we must compare the value of the 'R' flag */ | |
| 546 fl1 = o1->data.cmd.cmd_flag_val & CMD_FLAG_REQUEST; | |
| 547 fl2 = o2->data.cmd.cmd_flag_val & CMD_FLAG_REQUEST; | |
| 548 | |
| 549 /* We want requests first, so we reverse the operators here */ | |
| 550 return ORDER_scalar(fl2, fl1); | |
| 551 | |
| 552 } | |
| 553 | |
| 554 /* Compare two rule object by the AVP name that they refer (checks already performed) */ | |
| 555 static int order_rule_by_avpn ( struct dict_object *o1, struct dict_object *o2 ) | |
| 556 { | |
| 557 TRACE_ENTRY("%p %p", o1, o2); | |
| 558 | |
| 559 return strcmp( o1->data.rule.rule_avp->data.avp.avp_name, o2->data.rule.rule_avp->data.avp.avp_name ); | |
| 560 } | |
| 561 | |
| 562 /*******************************************************************************************************/ | |
| 563 /*******************************************************************************************************/ | |
| 564 /* */ | |
| 565 /* Search functions */ | |
| 566 /* */ | |
| 567 /*******************************************************************************************************/ | |
| 568 /*******************************************************************************************************/ | |
| 569 | |
| 570 /* Functions used to search for objects in the lists, according to some criteria */ | |
| 571 | |
| 572 /* On a general note, if result is not NULL, ENOENT is not returned but *result is NULL. */ | |
| 573 | |
| 574 /* The following macros assume that "what", "ret", "result" (variables), and "end" (label) exist | |
| 575 in the local context where they are called. They are meant to be called only from the functions that follow. */ | |
| 576 | |
| 577 /* For searchs of type "xxx_OF_xxx": children's parent or default parent */ | |
| 578 #define SEARCH_childs_parent( type_of_child, default_parent ) { \ | |
| 579 struct dict_object *__child = (struct dict_object *) what; \ | |
| 580 CHECK_PARAMS_DO( verify_object(__child) && \ | |
| 581 (__child->type == (type_of_child)), \ | |
| 582 { ret = EINVAL; goto end; } ); \ | |
| 583 ret = 0; \ | |
| 584 if (result) \ | |
| 585 *result = (__child->parent ? __child->parent :(default_parent));\ | |
| 586 } | |
| 587 | |
| 588 /* For search of strings in lists. isindex= 1 if the string is the ordering key of the list */ | |
| 589 #define SEARCH_string( str, sentinel, datafield, isindex ) { \ | |
| 590 char * __str = (char *) str; \ | |
| 591 int __cmp; \ | |
| 592 struct fd_list * __li; \ | |
| 593 ret = 0; \ | |
| 594 for (__li = (sentinel); __li->next != (sentinel); __li = __li->next) { \ | |
| 595 __cmp = strcmp(__str, _O(__li->next->o)->data. datafield ); \ | |
| 596 if (__cmp == 0) { \ | |
| 597 if (result) \ | |
| 598 *result = _O(__li->next->o); \ | |
| 599 goto end; \ | |
| 600 } \ | |
| 601 if ((isindex) && (__cmp < 0)) \ | |
| 602 break; \ | |
| 603 } \ | |
| 604 if (result) \ | |
| 605 *result = NULL; \ | |
| 606 else \ | |
| 607 ret = ENOENT; \ | |
| 608 } | |
| 609 | |
| 610 /* For search of octetstrings in lists (not \0 terminated). */ | |
| 611 #define SEARCH_ocstring( ostr, length, sentinel, osdatafield, isindex ) { \ | |
| 612 unsigned char * __ostr = (unsigned char *) ostr; \ | |
| 613 int __cmp; \ | |
| 614 size_t __len; \ | |
| 615 struct fd_list * __li; \ | |
| 616 ret = 0; \ | |
| 617 for (__li = (sentinel); __li->next != (sentinel); __li = __li->next) { \ | |
| 618 __len = _O(__li->next->o)->data. osdatafield .len; \ | |
| 619 if ( __len > (length) ) \ | |
| 620 __len = (length); \ | |
| 621 __cmp = memcmp(__ostr, \ | |
| 622 _O(__li->next->o)->data. osdatafield .data, \ | |
| 623 __len); \ | |
| 624 if (! __cmp) { \ | |
| 625 __cmp = ORDER_scalar( length, \ | |
| 626 _O(__li->next->o)->data. osdatafield .len); \ | |
| 627 } \ | |
| 628 if (__cmp == 0) { \ | |
| 629 if (result) \ | |
| 630 *result = _O(__li->next->o); \ | |
| 631 goto end; \ | |
| 632 } \ | |
| 633 if ((isindex) && (__cmp < 0)) \ | |
| 634 break; \ | |
| 635 } \ | |
| 636 if (result) \ | |
| 637 *result = NULL; \ | |
| 638 else \ | |
| 639 ret = ENOENT; \ | |
| 640 } | |
| 641 | |
| 642 /* For search of AVP name in rule lists. */ | |
| 643 #define SEARCH_ruleavpname( str, sentinel ) { \ | |
| 644 char * __str = (char *) str; \ | |
| 645 int __cmp; \ | |
| 646 struct fd_list * __li; \ | |
| 647 ret = 0; \ | |
| 648 for (__li = (sentinel); __li->next != (sentinel); __li = __li->next) { \ | |
| 649 __cmp = strcmp(__str, \ | |
| 650 _O(__li->next->o)->data.rule.rule_avp->data.avp.avp_name);\ | |
| 651 if (__cmp == 0) { \ | |
| 652 if (result) \ | |
| 653 *result = _O(__li->next->o); \ | |
| 654 goto end; \ | |
| 655 } \ | |
| 656 if (__cmp < 0) \ | |
| 657 break; \ | |
| 658 } \ | |
| 659 if (result) \ | |
| 660 *result = NULL; \ | |
| 661 else \ | |
| 662 ret = ENOENT; \ | |
| 663 } | |
| 664 | |
| 665 /* For search of scalars in lists. isindex= 1 if the value is the ordering key of the list */ | |
| 666 #define SEARCH_scalar( value, sentinel, datafield, isindex, defaultobj ) { \ | |
| 667 int __cmp; \ | |
| 668 struct fd_list * __li; \ | |
| 669 ret = 0; \ | |
| 670 if ( ((defaultobj) != NULL) \ | |
| 671 && (_O(defaultobj)->data. datafield == value)) { \ | |
| 672 if (result) \ | |
| 673 *result = _O(defaultobj); \ | |
| 674 goto end; \ | |
| 675 } \ | |
| 676 for (__li = (sentinel); __li->next != (sentinel); __li = __li->next) { \ | |
| 677 __cmp= ORDER_scalar(value, _O(__li->next->o)->data. datafield );\ | |
| 678 if (__cmp == 0) { \ | |
| 679 if (result) \ | |
| 680 *result = _O(__li->next->o); \ | |
| 681 goto end; \ | |
| 682 } \ | |
| 683 if ((isindex) && (__cmp < 0)) \ | |
| 684 break; \ | |
| 685 } \ | |
| 686 if (result) \ | |
| 687 *result = NULL; \ | |
| 688 else \ | |
| 689 ret = ENOENT; \ | |
| 690 } | |
| 691 | |
| 692 /* For search of commands in lists by code and flag. R_flag_val = 0 or CMD_FLAG_REQUEST */ | |
| 693 #define SEARCH_codefl( value, R_flag_val, sentinel) { \ | |
| 694 int __cmp; \ | |
| 695 struct fd_list * __li; \ | |
| 696 ret = 0; \ | |
| 697 for ( __li = (sentinel); \ | |
| 698 __li->next != (sentinel); \ | |
| 699 __li = __li->next) { \ | |
| 700 __cmp = ORDER_scalar(value, \ | |
| 701 _O(__li->next->o)->data.cmd.cmd_code ); \ | |
| 702 if (__cmp == 0) { \ | |
| 703 uint8_t __mask, __val; \ | |
| 704 __mask = _O(__li->next->o)->data.cmd.cmd_flag_mask; \ | |
| 705 __val = _O(__li->next->o)->data.cmd.cmd_flag_val; \ | |
| 706 if ( ! (__mask & CMD_FLAG_REQUEST) ) \ | |
| 707 continue; \ | |
| 708 if ( ( __val & CMD_FLAG_REQUEST ) != R_flag_val ) \ | |
| 709 continue; \ | |
| 710 if (result) \ | |
| 711 *result = _O(__li->next->o); \ | |
| 712 goto end; \ | |
| 713 } \ | |
| 714 if (__cmp < 0) \ | |
| 715 break; \ | |
| 716 } \ | |
| 717 if (result) \ | |
| 718 *result = NULL; \ | |
| 719 else \ | |
| 720 ret = ENOENT; \ | |
| 721 } | |
| 722 | |
| 723 static int search_vendor ( struct dictionary * dict, int criteria, void * what, struct dict_object **result ) | |
| 724 { | |
| 725 int ret = 0; | |
| 726 vendor_id_t id; | |
| 727 | |
| 728 TRACE_ENTRY("%p %d %p %p", dict, criteria, what, result); | |
| 729 | |
| 730 switch (criteria) { | |
| 731 case VENDOR_BY_ID: | |
| 732 id = *(vendor_id_t *) what; | |
| 733 SEARCH_scalar( id, &dict->dict_vendors.list[0], vendor.vendor_id, 1, &dict->dict_vendors ); | |
| 734 break; | |
| 735 | |
| 736 case VENDOR_BY_NAME: | |
| 737 /* "what" is a vendor name */ | |
| 738 SEARCH_string( what, &dict->dict_vendors.list[0], vendor.vendor_name, 0); | |
| 739 break; | |
| 740 | |
| 741 case VENDOR_OF_APPLICATION: | |
| 742 /* "what" should be an application object */ | |
| 743 SEARCH_childs_parent( DICT_APPLICATION, &dict->dict_vendors ); | |
| 744 break; | |
| 745 | |
| 746 default: | |
| 747 /* Invalid criteria */ | |
| 748 CHECK_PARAMS( criteria = 0 ); | |
| 749 } | |
| 750 end: | |
| 751 return ret; | |
| 752 } | |
| 753 | |
| 754 static int search_application ( struct dictionary * dict, int criteria, void * what, struct dict_object **result ) | |
| 755 { | |
| 756 int ret = 0; | |
| 757 application_id_t id; | |
| 758 | |
| 759 TRACE_ENTRY("%p %d %p %p", dict, criteria, what, result); | |
| 760 | |
| 761 switch (criteria) { | |
| 762 case APPLICATION_BY_ID: | |
| 763 id = *(application_id_t *) what; | |
| 764 | |
| 765 SEARCH_scalar( id, &dict->dict_applications.list[0], application.application_id, 1, &dict->dict_applications ); | |
| 766 break; | |
| 767 | |
| 768 case APPLICATION_BY_NAME: | |
| 769 /* "what" is an application name */ | |
| 770 SEARCH_string( what, &dict->dict_applications.list[0], application.application_name, 0); | |
| 771 break; | |
| 772 | |
| 773 case APPLICATION_OF_TYPE: | |
| 774 /* "what" should be a type object */ | |
| 775 SEARCH_childs_parent( DICT_TYPE, &dict->dict_applications ); | |
| 776 break; | |
| 777 | |
| 778 case APPLICATION_OF_COMMAND: | |
| 779 /* "what" should be a command object */ | |
| 780 SEARCH_childs_parent( DICT_COMMAND, &dict->dict_applications ); | |
| 781 break; | |
| 782 | |
| 783 default: | |
| 784 /* Invalid criteria */ | |
| 785 CHECK_PARAMS( criteria = 0 ); | |
| 786 } | |
| 787 end: | |
| 788 return ret; | |
| 789 } | |
| 790 | |
| 791 static int search_type ( struct dictionary * dict, int criteria, void * what, struct dict_object **result ) | |
| 792 { | |
| 793 int ret = 0; | |
| 794 | |
| 795 TRACE_ENTRY("%p %d %p %p", dict, criteria, what, result); | |
| 796 | |
| 797 switch (criteria) { | |
| 798 case TYPE_BY_NAME: | |
| 799 /* "what" is a type name */ | |
| 800 SEARCH_string( what, &dict->dict_types, type.type_name, 1); | |
| 801 break; | |
| 802 | |
| 803 case TYPE_OF_ENUMVAL: | |
| 804 /* "what" should be a type_enum object */ | |
| 805 SEARCH_childs_parent( DICT_ENUMVAL, NULL ); | |
| 806 break; | |
| 807 | |
| 808 case TYPE_OF_AVP: | |
| 809 /* "what" should be an avp object */ | |
| 810 SEARCH_childs_parent( DICT_AVP, NULL ); | |
| 811 break; | |
| 812 | |
| 813 | |
| 814 default: | |
| 815 /* Invalid criteria */ | |
| 816 CHECK_PARAMS( criteria = 0 ); | |
| 817 } | |
| 818 end: | |
| 819 return ret; | |
| 820 } | |
| 821 | |
| 822 static int search_enumval ( struct dictionary * dict, int criteria, void * what, struct dict_object **result ) | |
| 823 { | |
| 824 int ret = 0; | |
| 825 | |
| 826 TRACE_ENTRY("%p %d %p %p", dict, criteria, what, result); | |
| 827 | |
| 828 switch (criteria) { | |
| 829 case ENUMVAL_BY_STRUCT: | |
| 830 { | |
| 831 struct dict_object * parent = NULL; | |
| 832 struct dict_enumval_request * _what = (struct dict_enumval_request *) what; | |
| 833 | |
| 834 CHECK_PARAMS( _what && ( _what->type_obj || _what->type_name ) ); | |
| 835 | |
| 836 if (_what->type_obj != NULL) { | |
| 837 parent = _what->type_obj; | |
| 838 CHECK_PARAMS( verify_object(parent) && (parent->type == DICT_TYPE) ); | |
| 839 } else { | |
| 840 /* We received only the type name, we must find it first */ | |
| 841 CHECK_FCT_DO( search_type( dict, TYPE_BY_NAME, _what->type_name, &parent ), | |
| 842 CHECK_PARAMS( 0 ) ); | |
| 843 } | |
| 844 | |
| 845 /* From here the "parent" object is valid */ | |
| 846 | |
| 847 if ( _what->search.enum_name != NULL ) { | |
| 848 /* We are looking for this string */ | |
| 849 SEARCH_string( _what->search.enum_name, &parent->list[1], enumval.enum_name, 1 ); | |
| 850 } else { | |
| 851 /* We are looking for the value in enum_value */ | |
| 852 switch (parent->data.type.type_base) { | |
| 853 case AVP_TYPE_OCTETSTRING: | |
| 854 SEARCH_ocstring( _what->search.enum_value.os.data, | |
| 855 _what->search.enum_value.os.len, | |
| 856 &parent->list[2], | |
| 857 enumval.enum_value.os , | |
| 858 1 ); | |
| 859 break; | |
| 860 | |
| 861 case AVP_TYPE_INTEGER32: | |
| 862 SEARCH_scalar( _what->search.enum_value.i32, | |
| 863 &parent->list[2], | |
| 864 enumval.enum_value.i32, | |
| 865 1, | |
| 866 (struct dict_object *)NULL); | |
| 867 break; | |
| 868 | |
| 869 case AVP_TYPE_INTEGER64: | |
| 870 SEARCH_scalar( _what->search.enum_value.i64, | |
| 871 &parent->list[2], | |
| 872 enumval.enum_value.i64, | |
| 873 1, | |
| 874 (struct dict_object *)NULL); | |
| 875 break; | |
| 876 | |
| 877 case AVP_TYPE_UNSIGNED32: | |
| 878 SEARCH_scalar( _what->search.enum_value.u32, | |
| 879 &parent->list[2], | |
| 880 enumval.enum_value.u32, | |
| 881 1, | |
| 882 (struct dict_object *)NULL); | |
| 883 break; | |
| 884 | |
| 885 case AVP_TYPE_UNSIGNED64: | |
| 886 SEARCH_scalar( _what->search.enum_value.u64, | |
| 887 &parent->list[2], | |
| 888 enumval.enum_value.u64, | |
| 889 1, | |
| 890 (struct dict_object *)NULL); | |
| 891 break; | |
| 892 | |
| 893 case AVP_TYPE_FLOAT32: | |
| 894 SEARCH_scalar( _what->search.enum_value.f32, | |
| 895 &parent->list[2], | |
| 896 enumval.enum_value.f32, | |
| 897 1, | |
| 898 (struct dict_object *)NULL); | |
| 899 break; | |
| 900 | |
| 901 case AVP_TYPE_FLOAT64: | |
| 902 SEARCH_scalar( _what->search.enum_value.f64, | |
| 903 &parent->list[2], | |
| 904 enumval.enum_value.f64, | |
| 905 1, | |
| 906 (struct dict_object *)NULL); | |
| 907 break; | |
| 908 | |
| 909 default: | |
| 910 /* Invalid parent type basetype */ | |
| 911 CHECK_PARAMS( parent = NULL ); | |
| 912 } | |
| 913 } | |
| 914 | |
| 915 } | |
| 916 break; | |
| 917 | |
| 918 | |
| 919 default: | |
| 920 /* Invalid criteria */ | |
| 921 CHECK_PARAMS( criteria = 0 ); | |
| 922 } | |
| 923 end: | |
| 924 return ret; | |
| 925 } | |
| 926 | |
| 927 static int search_avp ( struct dictionary * dict, int criteria, void * what, struct dict_object **result ) | |
| 928 { | |
| 929 int ret = 0; | |
| 930 | |
| 931 TRACE_ENTRY("%p %d %p %p", dict, criteria, what, result); | |
| 932 | |
| 933 switch (criteria) { | |
| 934 case AVP_BY_CODE: | |
| 935 { | |
| 936 avp_code_t code; | |
| 937 code = *(avp_code_t *) what; | |
| 938 | |
| 939 SEARCH_scalar( code, &dict->dict_vendors.list[1], avp.avp_code, 1, (struct dict_object *)NULL ); | |
| 940 } | |
| 941 break; | |
| 942 | |
| 943 case AVP_BY_NAME: | |
| 944 /* "what" is the AVP name, vendor 0 */ | |
| 945 SEARCH_string( what, &dict->dict_vendors.list[2], avp.avp_name, 1); | |
| 946 break; | |
| 947 | |
| 948 case AVP_BY_CODE_AND_VENDOR: | |
| 949 case AVP_BY_NAME_AND_VENDOR: | |
| 950 { | |
| 951 struct dict_avp_request * _what = (struct dict_avp_request *) what; | |
| 952 struct dict_object * vendor = NULL; | |
| 953 | |
| 954 CHECK_PARAMS( (criteria != AVP_BY_NAME_AND_VENDOR) || _what->avp_name ); | |
| 955 | |
| 956 /* Now look for the vendor first */ | |
| 957 CHECK_FCT( search_vendor( dict, VENDOR_BY_ID, &_what->avp_vendor, &vendor ) ); | |
| 958 if (vendor == NULL) { | |
| 959 if (result) | |
| 960 *result = NULL; | |
| 961 else | |
| 962 ret = ENOENT; | |
| 963 goto end; | |
| 964 } | |
| 965 | |
| 966 /* We now have our vendor = head of the appropriate avp list */ | |
| 967 if (criteria == AVP_BY_NAME_AND_VENDOR) { | |
| 968 SEARCH_string( _what->avp_name, &vendor->list[2], avp.avp_name, 1); | |
| 969 } else { | |
| 970 /* AVP_BY_CODE_AND_VENDOR */ | |
| 971 SEARCH_scalar( _what->avp_code, &vendor->list[1], avp.avp_code, 1, (struct dict_object *)NULL ); | |
| 972 } | |
| 973 } | |
| 974 break; | |
| 975 | |
| 976 default: | |
| 977 /* Invalid criteria */ | |
| 978 CHECK_PARAMS( criteria = 0 ); | |
| 979 } | |
| 980 end: | |
| 981 return ret; | |
| 982 } | |
| 983 | |
| 984 static int search_cmd ( struct dictionary * dict, int criteria, void * what, struct dict_object **result ) | |
| 985 { | |
| 986 int ret = 0; | |
| 987 | |
| 988 TRACE_ENTRY("%p %d %p %p", dict, criteria, what, result); | |
| 989 | |
| 990 switch (criteria) { | |
| 991 case CMD_BY_NAME: | |
| 992 /* "what" is a command name */ | |
| 993 SEARCH_string( what, &dict->dict_cmd_name, cmd.cmd_name, 1); | |
| 994 break; | |
| 995 | |
| 996 case CMD_BY_CODE_R: | |
| 997 case CMD_BY_CODE_A: | |
| 998 { | |
| 999 command_code_t code; | |
| 1000 uint8_t searchfl = 0; | |
| 1001 | |
| 1002 /* The command code that we are searching */ | |
| 1003 code = *(command_code_t *) what; | |
| 1004 | |
| 1005 /* The flag (request or answer) of the command we are searching */ | |
| 1006 if (criteria == CMD_BY_CODE_R) { | |
| 1007 searchfl = CMD_FLAG_REQUEST; | |
| 1008 } | |
| 1009 | |
| 1010 /* perform the search */ | |
| 1011 SEARCH_codefl( code, searchfl, &dict->dict_cmd_code ); | |
| 1012 } | |
| 1013 break; | |
| 1014 | |
| 1015 case CMD_ANSWER: | |
| 1016 { | |
| 1017 /* "what" is a command object of type "request" */ | |
| 1018 struct dict_object * req = (struct dict_object *) what; | |
| 1019 struct dict_object * ans = NULL; | |
| 1020 | |
| 1021 CHECK_PARAMS( verify_object(req) | |
| 1022 && (req->type == DICT_COMMAND) | |
| 1023 && (req->data.cmd.cmd_flag_mask & CMD_FLAG_REQUEST) | |
| 1024 && (req->data.cmd.cmd_flag_val & CMD_FLAG_REQUEST) ); | |
| 1025 | |
| 1026 /* The answer is supposed to be the next element in the list, if it exists */ | |
| 1027 ans = req->list[1].next->o; | |
| 1028 if ( ans == NULL ) { | |
| 1029 TRACE_DEBUG( FULL, "the request was the last element in the list" ); | |
| 1030 ret = ENOENT; | |
| 1031 goto end; | |
| 1032 } | |
| 1033 | |
| 1034 /* Now check that the ans element is really the correct one */ | |
| 1035 if ( (ans->data.cmd.cmd_code != req->data.cmd.cmd_code) | |
| 1036 || (!(ans->data.cmd.cmd_flag_mask & CMD_FLAG_REQUEST)) | |
| 1037 || ( ans->data.cmd.cmd_flag_val & CMD_FLAG_REQUEST ) ) { | |
| 1038 TRACE_DEBUG( FULL, "the answer does not follow the request in the list" ); | |
| 1039 ret = ENOENT; | |
| 1040 goto end; | |
| 1041 } | |
| 1042 | |
| 1043 if (result) | |
| 1044 *result = ans; | |
| 1045 ret = 0; | |
| 1046 } | |
| 1047 break; | |
| 1048 | |
| 1049 default: | |
| 1050 /* Invalid criteria */ | |
| 1051 CHECK_PARAMS( criteria = 0 ); | |
| 1052 } | |
| 1053 end: | |
| 1054 return ret; | |
| 1055 } | |
| 1056 | |
| 1057 static int search_rule ( struct dictionary * dict, int criteria, void * what, struct dict_object **result ) | |
| 1058 { | |
| 1059 int ret = 0; | |
| 1060 | |
| 1061 TRACE_ENTRY("%p %d %p %p", dict, criteria, what, result); | |
| 1062 | |
| 1063 switch (criteria) { | |
| 1064 case RULE_BY_AVP_AND_PARENT: | |
| 1065 { | |
| 1066 struct dict_object * parent = NULL; | |
| 1067 struct dict_object * avp = NULL; | |
| 1068 struct dict_rule_request * _what = (struct dict_rule_request *) what; | |
| 1069 | |
| 1070 CHECK_PARAMS( _what | |
| 1071 && (parent = _what->rule_parent) | |
| 1072 && (avp = _what->rule_avp ) ); | |
| 1073 | |
| 1074 CHECK_PARAMS( verify_object(parent) | |
| 1075 && ((parent->type == DICT_COMMAND) | |
| 1076 || ((parent->type == DICT_AVP) && (parent->data.avp.avp_basetype == AVP_TYPE_GROUPED))) ); | |
| 1077 | |
| 1078 CHECK_PARAMS( verify_object(avp) && (avp->type == DICT_AVP) ); | |
| 1079 | |
| 1080 /* Perform the search */ | |
| 1081 SEARCH_ruleavpname( avp->data.avp.avp_name, &parent->list[2]); | |
| 1082 | |
| 1083 } | |
| 1084 break; | |
| 1085 | |
| 1086 default: | |
| 1087 /* Invalid criteria */ | |
| 1088 CHECK_PARAMS( criteria = 0 ); | |
| 1089 } | |
| 1090 end: | |
| 1091 return ret; | |
| 1092 } | |
| 1093 | |
| 1094 /*******************************************************************************************************/ | |
| 1095 /*******************************************************************************************************/ | |
| 1096 /* */ | |
| 1097 /* Dump / debug functions */ | |
| 1098 /* */ | |
| 1099 /*******************************************************************************************************/ | |
| 1100 /*******************************************************************************************************/ | |
| 1101 /* The following functions are used to debug the module, and allow to print out the content of the dictionary */ | |
| 1102 static void dump_vendor_data ( void * data ) | |
| 1103 { | |
| 1104 struct dict_vendor_data * vendor = (struct dict_vendor_data *)data; | |
| 1105 | |
| 1106 fd_log_debug("data: %-6u \"%s\"", vendor->vendor_id, vendor->vendor_name); | |
| 1107 } | |
| 1108 static void dump_application_data ( void * data ) | |
| 1109 { | |
| 1110 struct dict_application_data * appli = (struct dict_application_data *) data; | |
| 1111 fd_log_debug("data: %-6u \"%s\"", appli->application_id, appli->application_name); | |
| 1112 } | |
| 1113 static void dump_type_data ( void * data ) | |
| 1114 { | |
| 1115 struct dict_type_data * type = ( struct dict_type_data * ) data; | |
| 1116 | |
| 1117 fd_log_debug("data: %-12s \"%s\"", | |
| 1118 type_base_name[type->type_base], | |
| 1119 type->type_name); | |
| 1120 } | |
| 1121 static void dump_enumval_data ( struct dict_enumval_data * enumval, enum dict_avp_basetype type ) | |
| 1122 { | |
| 1123 const int LEN_MAX = 20; | |
| 1124 fd_log_debug("data: (%-12s) \"%s\" -> ", type_base_name[type], enumval->enum_name); | |
| 1125 switch (type) { | |
| 1126 case AVP_TYPE_OCTETSTRING: | |
| 1127 { | |
| 1128 int i, n=LEN_MAX; | |
| 1129 if (enumval->enum_value.os.len < LEN_MAX) | |
| 1130 n = enumval->enum_value.os.len; | |
| 1131 for (i=0; i < n; i++) | |
| 1132 fd_log_debug("0x%02.2X/'%c' ", enumval->enum_value.os.data[i], ASCII(enumval->enum_value.os.data[i])); | |
| 1133 if (n == LEN_MAX) | |
| 1134 fd_log_debug("..."); | |
| 1135 } | |
| 1136 break; | |
| 1137 | |
| 1138 case AVP_TYPE_INTEGER32: | |
| 1139 fd_log_debug("%i", enumval->enum_value.i32); | |
| 1140 break; | |
| 1141 | |
| 1142 case AVP_TYPE_INTEGER64: | |
| 1143 fd_log_debug("%lli", enumval->enum_value.i64); | |
| 1144 break; | |
| 1145 | |
| 1146 case AVP_TYPE_UNSIGNED32: | |
| 1147 fd_log_debug("%u", enumval->enum_value.u32); | |
| 1148 break; | |
| 1149 | |
| 1150 case AVP_TYPE_UNSIGNED64: | |
| 1151 fd_log_debug("%llu", enumval->enum_value.u64); | |
| 1152 break; | |
| 1153 | |
| 1154 case AVP_TYPE_FLOAT32: | |
| 1155 fd_log_debug("%f", enumval->enum_value.f32); | |
| 1156 break; | |
| 1157 | |
| 1158 case AVP_TYPE_FLOAT64: | |
| 1159 fd_log_debug("%g", enumval->enum_value.f64); | |
| 1160 break; | |
| 1161 | |
| 1162 default: | |
| 1163 fd_log_debug("??? (ERROR unknown type %d)", type); | |
| 1164 } | |
| 1165 } | |
| 1166 static void dump_avp_data ( void * data ) | |
| 1167 { | |
| 1168 struct dict_avp_data * avp = (struct dict_avp_data * ) data; | |
| 1169 fd_log_debug("data: v/m:" DUMP_AVPFL_str "/" DUMP_AVPFL_str ", %12s, %-6u \"%s\"", | |
| 1170 DUMP_AVPFL_val(avp->avp_flag_val), | |
| 1171 DUMP_AVPFL_val(avp->avp_flag_mask), | |
| 1172 type_base_name[avp->avp_basetype], | |
| 1173 avp->avp_code, | |
| 1174 avp->avp_name ); | |
| 1175 } | |
| 1176 static void dump_command_data ( void * data ) | |
| 1177 { | |
| 1178 struct dict_cmd_data * cmd = (struct dict_cmd_data *) data; | |
| 1179 fd_log_debug("data: v/m:" DUMP_CMDFL_str "/" DUMP_CMDFL_str ", %-6u \"%s\"", | |
| 1180 DUMP_CMDFL_val(cmd->cmd_flag_val), DUMP_CMDFL_val(cmd->cmd_flag_mask), cmd->cmd_code, cmd->cmd_name); | |
| 1181 } | |
| 1182 static void dump_rule_data ( void * data ) | |
| 1183 { | |
| 1184 struct dict_rule_data * rule = (struct dict_rule_data * )data; | |
| 1185 fd_log_debug("data: pos:%d ord:%d m/M:%2d/%2d avp:\"%s\"", | |
| 1186 rule->rule_position, | |
| 1187 rule->rule_order, | |
| 1188 rule->rule_min, | |
| 1189 rule->rule_max, | |
| 1190 rule->rule_avp->data.avp.avp_name); | |
| 1191 } | |
| 1192 | |
| 1193 static void dump_object ( struct dict_object * obj, int parents, int depth, int indent ); | |
| 1194 | |
| 1195 static void dump_list ( struct fd_list * sentinel, int parents, int depth, int indent ) | |
| 1196 { | |
| 1197 struct fd_list * li = sentinel; | |
| 1198 /* We don't lock here, the caller must have taken the dictionary lock for reading already */ | |
| 1199 while (li->next != sentinel) | |
| 1200 { | |
| 1201 li = li->next; | |
| 1202 dump_object( _O(li->o), parents, depth, indent ); | |
| 1203 } | |
| 1204 } | |
| 1205 | |
| 1206 static void dump_object ( struct dict_object * obj, int parents, int depth, int indent ) | |
| 1207 { | |
| 1208 if (obj == NULL) | |
| 1209 return; | |
| 1210 | |
| 1211 if (parents) | |
| 1212 dump_object (obj->parent, parents-1, 0, indent + 1 ); | |
| 1213 | |
| 1214 fd_log_debug("%*s@%p: %s%s (p:%-9p) ", | |
| 1215 indent, | |
| 1216 "", | |
| 1217 obj, | |
| 1218 verify_object(obj) ? "" : "INVALID ", | |
| 1219 _OBINFO(obj).name, | |
| 1220 obj->parent); | |
| 1221 | |
| 1222 if (obj->type == DICT_ENUMVAL) | |
| 1223 dump_enumval_data ( &obj->data.enumval, obj->parent->data.type.type_base ); | |
| 1224 else | |
| 1225 _OBINFO(obj).dump_data(&obj->data); | |
| 1226 | |
| 1227 fd_log_debug("\n"); | |
| 1228 | |
| 1229 if (depth) { | |
| 1230 int i; | |
| 1231 for (i=0; i<NB_LISTS_PER_OBJ; i++) { | |
| 1232 if ((obj->list[i].o == NULL) && (obj->list[i].next != &obj->list[i])) { | |
| 1233 fd_log_debug("%*s>%p: list[%d]:\n", indent, "", obj, i); | |
| 1234 dump_list(&obj->list[i], parents, depth - 1, indent + 2); | |
| 1235 } | |
| 1236 } | |
| 1237 } | |
| 1238 } | |
| 1239 | |
| 1240 void fd_dict_dump_object(struct dict_object * obj) | |
| 1241 { | |
| 1242 fd_log_debug("Dictionary object %p dump:\n", obj); | |
| 1243 dump_object( obj, 1, 2, 2 ); | |
| 1244 } | |
| 1245 | |
| 1246 void fd_dict_dump(struct dictionary * dict) | |
| 1247 { | |
| 1248 int i; | |
| 1249 | |
| 1250 CHECK_PARAMS_DO(dict && (dict->dict_eyec == DICT_EYECATCHER), return); | |
| 1251 | |
| 1252 CHECK_POSIX_DO( pthread_rwlock_rdlock( &dict->dict_lock ), /* ignore */ ); | |
| 1253 | |
| 1254 fd_log_debug("######################################################\n"); | |
| 1255 fd_log_debug("###### Dumping vendors, AVPs and related rules #######\n"); | |
| 1256 | |
| 1257 dump_object( &dict->dict_vendors, 0, 3, 0 ); | |
| 1258 | |
| 1259 fd_log_debug("###### Dumping applications #######\n"); | |
| 1260 | |
| 1261 dump_object( &dict->dict_applications, 0, 1, 0 ); | |
| 1262 | |
| 1263 fd_log_debug("###### Dumping types #######\n"); | |
| 1264 | |
| 1265 dump_list( &dict->dict_types, 0, 2, 0 ); | |
| 1266 | |
| 1267 fd_log_debug("###### Dumping commands per name #######\n"); | |
| 1268 | |
| 1269 dump_list( &dict->dict_cmd_name, 0, 2, 0 ); | |
| 1270 | |
| 1271 fd_log_debug("###### Dumping commands per code and flags #######\n"); | |
| 1272 | |
| 1273 dump_list( &dict->dict_cmd_code, 0, 0, 0 ); | |
| 1274 | |
| 1275 fd_log_debug("###### Statistics #######\n"); | |
| 1276 | |
| 1277 for (i=1; i<=DICT_TYPE_MAX; i++) | |
| 1278 fd_log_debug(" %5d objects of type %s\n", dict->dict_count[i], dict_obj_info[i].name); | |
| 1279 | |
| 1280 fd_log_debug("######################################################\n"); | |
| 1281 | |
| 1282 /* Free the rwlock */ | |
| 1283 CHECK_POSIX_DO( pthread_rwlock_unlock( &dict->dict_lock ), /* ignore */ ); | |
| 1284 } | |
| 1285 | |
|
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1286 /**************************** Dump AVP values ********************************/ |
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1287 |
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1288 /* Default dump functions */ |
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1289 static void dump_val_os(union avp_value * value) |
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1290 { |
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1291 int i; |
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1292 for (i = 0; i < value->os.len; i++) { |
|
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1293 if (i == 24) { /* Dump only up to 24 bytes of the buffer */ |
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1294 fd_log_debug("[...] (len=%zd)", value->os.len); |
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1295 break; |
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1296 } |
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1297 fd_log_debug("%02.2X ", value->os.data[i]); |
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1298 } |
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1299 } |
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1300 |
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1301 static void dump_val_i32(union avp_value * value) |
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1302 { |
|
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1303 fd_log_debug("%i (0x%x)", value->i32, value->i32); |
|
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1304 } |
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1305 |
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1306 static void dump_val_i64(union avp_value * value) |
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1307 { |
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1308 fd_log_debug("%lli (0x%llx)", value->i64, value->i64); |
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1309 } |
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1310 |
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1311 static void dump_val_u32(union avp_value * value) |
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1312 { |
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1313 fd_log_debug("%u (0x%x)", value->u32, value->u32); |
|
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1314 } |
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1315 |
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1316 static void dump_val_u64(union avp_value * value) |
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1317 { |
|
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1318 fd_log_debug("%llu (0x%llx)", value->u64, value->u64); |
|
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1319 } |
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1320 |
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1321 static void dump_val_f32(union avp_value * value) |
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1322 { |
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1323 fd_log_debug("%f", value->f32); |
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1324 } |
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1325 |
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1326 static void dump_val_f64(union avp_value * value) |
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1327 { |
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1328 fd_log_debug("%g", value->f64); |
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1329 } |
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1330 |
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1331 /* Get the dump function for basic dict_avp_basetype */ |
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1332 static void (*get_default_dump_val_cb(enum dict_avp_basetype datatype))(union avp_value *) |
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1333 { |
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1334 switch (datatype) { |
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1335 case AVP_TYPE_OCTETSTRING: |
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1336 return &dump_val_os; |
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1337 |
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1338 case AVP_TYPE_INTEGER32: |
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1339 return &dump_val_i32; |
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1340 |
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1341 case AVP_TYPE_INTEGER64: |
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1342 return &dump_val_i64; |
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1343 |
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1344 case AVP_TYPE_UNSIGNED32: |
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1345 return &dump_val_u32; |
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1346 |
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1347 case AVP_TYPE_UNSIGNED64: |
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1348 return &dump_val_u64; |
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1349 |
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1350 case AVP_TYPE_FLOAT32: |
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1351 return &dump_val_f32; |
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1352 |
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1353 case AVP_TYPE_FLOAT64: |
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1354 return &dump_val_f64; |
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1355 |
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1356 case AVP_TYPE_GROUPED: |
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1357 TRACE_DEBUG(FULL, "error: grouped AVP with a value!"); |
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1358 } |
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1359 return NULL; |
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1360 } |
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1361 |
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1362 /* indent inside an object (duplicate from messages.c) */ |
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1363 #define INOBJHDR "%*s " |
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1364 #define INOBJHDRVAL indent<0 ? 1 : indent, indent<0 ? "-" : "|" |
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1365 |
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1366 /* Formater for the AVP value dump line */ |
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1367 static void dump_avp_val(union avp_value *avp_value, void (*dump_val_cb)(union avp_value *avp_value), enum dict_avp_basetype datatype, char * type_name, char * const_name, int indent) |
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1368 { |
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1369 /* Header for all AVP values dumps: */ |
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1370 fd_log_debug(INOBJHDR "value ", INOBJHDRVAL); |
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1371 |
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1372 /* If the type is provided, write it */ |
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1373 if (type_name) |
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1374 fd_log_debug("t: '%s' ", type_name); |
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1375 |
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1376 /* Always give the base datatype anyway */ |
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1377 fd_log_debug("(%s) ", type_base_name[datatype]); |
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1378 |
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1379 /* Now, the value */ |
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1380 fd_log_debug("v: "); |
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1381 if (const_name) |
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1382 fd_log_debug("'%s' (", const_name); |
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1383 (*dump_val_cb)(avp_value); |
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1384 if (const_name) |
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1385 fd_log_debug(")"); |
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1386 |
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1387 /* Done! */ |
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1388 fd_log_debug("\n"); |
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1389 } |
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1390 |
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1391 /* Dump the value of an AVP of known type */ |
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1392 void fd_dict_dump_avp_value(union avp_value *avp_value, struct dict_object * model, int indent) |
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1393 { |
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1394 void (*dump_val_cb)(union avp_value *avp_value); |
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1395 struct dict_object * type = NULL; |
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1396 char * type_name = NULL; |
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1397 char * const_name = NULL; |
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1398 |
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1399 /* Check the parameters are correct */ |
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1400 CHECK_PARAMS_DO( avp_value && verify_object(model) && (model->type == DICT_AVP), return ); |
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1401 |
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1402 /* Default: display the value with the formatter for the AVP datatype */ |
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1403 CHECK_PARAMS_DO( dump_val_cb = get_default_dump_val_cb(model->data.avp.avp_basetype), return ); |
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1404 |
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1405 /* Get the type definition of this AVP */ |
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1406 type = model->parent; |
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1407 if (type) { |
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1408 struct dict_enumval_request request; |
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1409 struct dict_object * enumval = NULL; |
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1410 |
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1411 type_name = type->data.type.type_name; |
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1412 |
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1413 /* overwrite the dump function ? */ |
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1414 if (type->data.type.type_dump) |
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1415 dump_val_cb = type->data.type.type_dump; |
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1416 |
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1417 /* Now check if the AVP value matches a constant */ |
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1418 memset(&request, 0, sizeof(request)); |
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1419 request.type_obj = type; |
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1420 memcpy(&request.search.enum_value, avp_value, sizeof(union avp_value)); |
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1421 /* bypass checks */ |
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1422 if ((search_enumval( type->dico, ENUMVAL_BY_STRUCT, &request, &enumval ) == 0) && (enumval)) { |
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1423 /* We found a cosntant, get its name */ |
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1424 const_name = enumval->data.enumval.enum_name; |
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1425 } |
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1426 } |
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1427 |
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1428 /* And finally, dump the value */ |
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1429 dump_avp_val(avp_value, dump_val_cb, model->data.avp.avp_basetype, type_name, const_name, indent); |
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1430 } |
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1431 |
| 0 | 1432 /*******************************************************************************************************/ |
| 1433 /*******************************************************************************************************/ | |
| 1434 /* */ | |
| 1435 /* Exported functions */ | |
| 1436 /* */ | |
| 1437 /*******************************************************************************************************/ | |
| 1438 /*******************************************************************************************************/ | |
| 1439 | |
|
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1440 /* These are the functions exported outside libfreeDiameter. */ |
| 0 | 1441 |
| 1442 /* Get the data associated to an object */ | |
| 1443 int fd_dict_gettype ( struct dict_object * object, enum dict_object_type * type) | |
| 1444 { | |
| 1445 TRACE_ENTRY("%p %p", object, type); | |
| 1446 | |
| 1447 CHECK_PARAMS( type && verify_object(object) ); | |
| 1448 | |
| 1449 /* Copy the value and return */ | |
| 1450 *type = object->type; | |
| 1451 return 0; | |
| 1452 } | |
| 1453 | |
| 1454 int fd_dict_getdict ( struct dict_object * object, struct dictionary ** dict) | |
| 1455 { | |
| 1456 TRACE_ENTRY("%p %p", object, dict); | |
| 1457 | |
| 1458 CHECK_PARAMS( dict && verify_object(object) ); | |
| 1459 | |
| 1460 /* Copy the value and return */ | |
| 1461 *dict = object->dico; | |
| 1462 return 0; | |
| 1463 } | |
| 1464 | |
| 1465 | |
| 1466 /* Get the data associated to an object */ | |
| 1467 int fd_dict_getval ( struct dict_object * object, void * val) | |
| 1468 { | |
| 1469 TRACE_ENTRY("%p %p", object, val); | |
| 1470 | |
| 1471 CHECK_PARAMS( val && verify_object(object) ); | |
| 1472 | |
| 1473 /* Copy the value and return */ | |
| 1474 memcpy(val, &object->data, _OBINFO(object).datasize);; | |
| 1475 return 0; | |
| 1476 } | |
| 1477 | |
| 1478 /* Add a new object in the dictionary */ | |
| 1479 int fd_dict_new ( struct dictionary * dict, enum dict_object_type type, void * data, struct dict_object * parent, struct dict_object **ref ) | |
| 1480 { | |
| 1481 int ret = 0; | |
| 1482 struct dict_object * new = NULL; | |
| 1483 struct dict_object * vendor = NULL; | |
| 1484 | |
| 1485 TRACE_ENTRY("%p %d(%s) %p %p %p", dict, type, dict_obj_info[CHECK_TYPE(type) ? type : 0].name, data, parent, ref); | |
| 1486 | |
| 1487 /* Check parameters */ | |
| 1488 CHECK_PARAMS( dict && (dict->dict_eyec == DICT_EYECATCHER) && CHECK_TYPE(type) && data ); | |
| 1489 | |
| 1490 /* Check the "parent" parameter */ | |
| 1491 switch (dict_obj_info[type].parent) { | |
| 1492 case 0: /* parent is forbidden */ | |
| 1493 CHECK_PARAMS( parent == NULL ); | |
| 1494 | |
| 1495 case 1: /* parent is optional */ | |
| 1496 if (parent == NULL) | |
| 1497 break; | |
| 1498 | |
| 1499 case 2: /* parent is mandatory */ | |
| 1500 CHECK_PARAMS( verify_object(parent) ); | |
| 1501 | |
| 1502 if (type == DICT_RULE ) { /* Special case : grouped AVP or Command parents are allowed */ | |
| 1503 CHECK_PARAMS( (parent->type == DICT_COMMAND ) | |
| 1504 || ( (parent->type == DICT_AVP) && (parent->data.avp.avp_basetype == AVP_TYPE_GROUPED ) ) ); | |
| 1505 } else { | |
| 1506 CHECK_PARAMS( parent->type == dict_obj_info[type].parenttype ); | |
| 1507 } | |
| 1508 } | |
| 1509 | |
| 1510 /* For AVP object, we must also check that the "vendor" referenced exists */ | |
| 1511 if (type == DICT_AVP) { | |
| 1512 CHECK_FCT_DO( fd_dict_search( dict, DICT_VENDOR, VENDOR_BY_ID, &(((struct dict_avp_data *)data)->avp_vendor), (void*)&vendor, ENOENT ), | |
| 1513 CHECK_PARAMS( vendor = NULL ) ); | |
| 1514 | |
| 1515 /* Also check if a parent is provided, that the type are the same */ | |
| 1516 if (parent) { | |
| 1517 CHECK_PARAMS( parent->data.type.type_base == ((struct dict_avp_data *)data)->avp_basetype ); | |
| 1518 } | |
| 1519 } | |
| 1520 | |
| 1521 /* For RULE object, we must also check that the "avp" referenced exists */ | |
| 1522 if (type == DICT_RULE) { | |
| 1523 CHECK_PARAMS( verify_object(((struct dict_rule_data *)data)->rule_avp) ); | |
| 1524 CHECK_PARAMS( ((struct dict_rule_data *)data)->rule_avp->type == DICT_AVP ); | |
| 1525 } | |
| 1526 | |
| 1527 /* For COMMAND object, check that the 'R' flag is fixed */ | |
| 1528 if (type == DICT_COMMAND) { | |
| 1529 CHECK_PARAMS( ((struct dict_cmd_data *)data)->cmd_flag_mask & CMD_FLAG_REQUEST ); | |
| 1530 } | |
| 1531 | |
|
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1532 /* We have to check that the new values are not equal to the sentinels */ |
|
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|
1533 if (type == DICT_VENDOR) { |
|
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1534 CHECK_PARAMS( ((struct dict_vendor_data *)data)->vendor_id != 0 ); |
|
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1535 } |
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1536 if (type == DICT_APPLICATION) { |
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1537 CHECK_PARAMS( ((struct dict_application_data *)data)->application_id != 0 ); |
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1538 } |
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1539 |
| 0 | 1540 /* Parameters are valid, create the new object */ |
| 1541 CHECK_MALLOC( new = malloc(sizeof(struct dict_object)) ); | |
| 1542 | |
| 1543 /* Initialize the data of the new object */ | |
| 1544 init_object(new, type); | |
| 1545 init_object_data(&new->data, data, type); | |
| 1546 new->dico = dict; | |
| 1547 new->parent = parent; | |
| 1548 | |
| 1549 /* We will change the dictionary => acquire the write lock */ | |
| 1550 CHECK_POSIX_DO( ret = pthread_rwlock_wrlock(&dict->dict_lock), goto error_free ); | |
| 1551 | |
| 1552 /* Now link the object -- this also checks that no object with same keys already exists */ | |
| 1553 switch (type) { | |
| 1554 case DICT_VENDOR: | |
| 1555 /* A vendor object is linked in the g_dict_vendors.list[0], by their id */ | |
| 1556 CHECK_FCT_DO( ret = fd_list_insert_ordered ( &dict->dict_vendors.list[0], &new->list[0], (int (*)(void*, void *))order_vendor_by_id, (void **)ref ), | |
| 1557 goto error_unlock ); | |
| 1558 break; | |
| 1559 | |
| 1560 case DICT_APPLICATION: | |
| 1561 /* An application object is linked in the g_dict_applciations.list[0], by their id */ | |
| 1562 CHECK_FCT_DO( ret = fd_list_insert_ordered ( &dict->dict_applications.list[0], &new->list[0], (int (*)(void*, void *))order_appli_by_id, (void **)ref ), | |
| 1563 goto error_unlock ); | |
| 1564 break; | |
| 1565 | |
| 1566 case DICT_TYPE: | |
| 1567 /* A type object is linked in g_list_types by its name */ | |
| 1568 CHECK_FCT_DO( ret = fd_list_insert_ordered ( &dict->dict_types, &new->list[0], (int (*)(void*, void *))order_type_by_name, (void **)ref ), | |
| 1569 goto error_unlock ); | |
| 1570 break; | |
| 1571 | |
| 1572 case DICT_ENUMVAL: | |
| 1573 /* A type_enum object is linked in it's parent 'type' object lists 1 and 2 by its name and values */ | |
| 1574 CHECK_FCT_DO( ret = fd_list_insert_ordered ( &parent->list[1], &new->list[0], (int (*)(void*, void *))order_enum_by_name, (void **)ref ), | |
| 1575 goto error_unlock ); | |
| 1576 CHECK_FCT_DO( ret = fd_list_insert_ordered ( &parent->list[2], &new->list[1], (int (*)(void*, void *))order_enum_by_val, (void **)ref ), | |
| 1577 { fd_list_unlink(&new->list[0]); goto error_unlock; } ); | |
| 1578 break; | |
| 1579 | |
| 1580 case DICT_AVP: | |
| 1581 /* An avp object is linked in lists 1 and 2 of its vendor, by code and name */ | |
| 1582 CHECK_FCT_DO( ret = fd_list_insert_ordered ( &vendor->list[1], &new->list[0], (int (*)(void*, void *))order_avp_by_code, (void **)ref ), | |
| 1583 goto error_unlock ); | |
| 1584 CHECK_FCT_DO( ret = fd_list_insert_ordered ( &vendor->list[2], &new->list[1], (int (*)(void*, void *))order_avp_by_name, (void **)ref ), | |
| 1585 { fd_list_unlink(&new->list[0]); goto error_unlock; } ); | |
| 1586 break; | |
| 1587 | |
| 1588 case DICT_COMMAND: | |
| 1589 /* A command object is linked in g_list_cmd_name and g_list_cmd_code by its name and code */ | |
| 1590 CHECK_FCT_DO( ret = fd_list_insert_ordered ( &dict->dict_cmd_code, &new->list[1], (int (*)(void*, void *))order_cmd_by_codefl, (void **)ref ), | |
| 1591 goto error_unlock ); | |
| 1592 CHECK_FCT_DO( ret = fd_list_insert_ordered ( &dict->dict_cmd_name, &new->list[0], (int (*)(void*, void *))order_cmd_by_name, (void **)ref ), | |
| 1593 { fd_list_unlink(&new->list[1]); goto error_unlock; } ); | |
| 1594 break; | |
| 1595 | |
| 1596 case DICT_RULE: | |
| 1597 /* A rule object is linked in list[2] of its parent command or AVP by the name of the AVP it refers */ | |
| 1598 CHECK_FCT_DO( ret = fd_list_insert_ordered ( &parent->list[2], &new->list[0], (int (*)(void*, void *))order_rule_by_avpn, (void **)ref ), | |
| 1599 goto error_unlock ); | |
| 1600 break; | |
| 1601 | |
| 1602 default: | |
| 1603 ASSERT(0); | |
| 1604 } | |
| 1605 | |
| 1606 /* A new object has been created, increment the global counter */ | |
| 1607 dict->dict_count[type]++; | |
| 1608 | |
| 1609 /* Unlock the dictionary */ | |
| 1610 CHECK_POSIX_DO( ret = pthread_rwlock_unlock(&dict->dict_lock), goto error_free ); | |
| 1611 | |
| 1612 /* Save the pointer to the new object */ | |
| 1613 if (ref) | |
| 1614 *ref = new; | |
| 1615 | |
| 1616 return 0; | |
| 1617 | |
| 1618 error_unlock: | |
| 1619 CHECK_POSIX_DO( pthread_rwlock_unlock(&dict->dict_lock), /* continue */ ); | |
| 1620 error_free: | |
| 1621 free(new); | |
| 1622 return ret; | |
| 1623 } | |
| 1624 | |
| 1625 int fd_dict_search ( struct dictionary * dict, enum dict_object_type type, int criteria, void * what, struct dict_object **result, int retval ) | |
| 1626 { | |
| 1627 int ret = 0; | |
| 1628 | |
| 1629 TRACE_ENTRY("%p %d(%s) %d %p %p %d", dict, type, dict_obj_info[CHECK_TYPE(type) ? type : 0].name, criteria, what, result, retval); | |
| 1630 | |
| 1631 /* Check param */ | |
| 1632 CHECK_PARAMS( dict && (dict->dict_eyec == DICT_EYECATCHER) && CHECK_TYPE(type) ); | |
| 1633 | |
| 1634 /* Lock the dictionary for reading */ | |
| 1635 CHECK_POSIX( pthread_rwlock_rdlock(&dict->dict_lock) ); | |
| 1636 | |
| 1637 /* Now call the type-specific search function */ | |
| 1638 ret = dict_obj_info[type].search_fct (dict, criteria, what, result); | |
| 1639 | |
| 1640 /* Unlock */ | |
| 1641 CHECK_POSIX( pthread_rwlock_unlock(&dict->dict_lock) ); | |
| 1642 | |
| 1643 /* Update the return value as needed */ | |
| 1644 if ((result != NULL) && (*result == NULL)) | |
| 1645 ret = retval; | |
| 1646 | |
| 1647 return ret; | |
| 1648 } | |
| 1649 | |
| 1650 /*******************************************************************************************************/ | |
| 1651 /*******************************************************************************************************/ | |
| 1652 /* */ | |
| 1653 /* The init/fini functions */ | |
| 1654 /* */ | |
| 1655 /*******************************************************************************************************/ | |
| 1656 /*******************************************************************************************************/ | |
| 1657 | |
| 1658 /* Initialize the dictionary */ | |
| 1659 int fd_dict_init ( struct dictionary ** dict) | |
| 1660 { | |
| 1661 struct dictionary * new = NULL; | |
| 1662 | |
| 1663 TRACE_ENTRY(""); | |
| 1664 | |
| 1665 /* Sanity checks */ | |
| 1666 ASSERT( (sizeof(type_base_name) / sizeof(type_base_name[0])) == (AVP_TYPE_MAX + 1) ); | |
| 1667 ASSERT( (sizeof(dict_obj_info) / sizeof(dict_obj_info[0])) == (DICT_TYPE_MAX + 1) ); | |
| 1668 CHECK_PARAMS(dict); | |
| 1669 | |
| 1670 /* Allocate the memory for the dictionary */ | |
| 1671 CHECK_MALLOC( new = malloc(sizeof(struct dictionary)) ); | |
| 1672 memset(new, 0, sizeof(struct dictionary)); | |
| 1673 | |
| 1674 new->dict_eyec = DICT_EYECATCHER; | |
| 1675 | |
| 1676 /* Initialize the lock for the dictionary */ | |
| 1677 CHECK_POSIX( pthread_rwlock_init(&new->dict_lock, NULL) ); | |
| 1678 | |
| 1679 /* Initialize the sentinel for vendors and AVP lists */ | |
| 1680 init_object( &new->dict_vendors, DICT_VENDOR ); | |
| 1681 new->dict_vendors.data.vendor.vendor_name = "(no vendor)"; | |
| 1682 new->dict_vendors.list[0].o = NULL; /* overwrite since element is also sentinel for this list. */ | |
|
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|
1683 new->dict_vendors.dico = new; |
| 0 | 1684 |
|
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|
1685 /* Initialize the sentinel for applications */ |
| 0 | 1686 init_object( &new->dict_applications, DICT_APPLICATION ); |
| 1687 new->dict_applications.data.application.application_name = "Diameter Common Messages"; | |
| 1688 new->dict_applications.list[0].o = NULL; /* overwrite since since element is also sentinel for this list. */ | |
|
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|
1689 new->dict_applications.dico = new; |
| 0 | 1690 |
| 1691 /* Initialize the sentinel for types */ | |
| 1692 fd_list_init ( &new->dict_types, NULL ); | |
| 1693 | |
| 1694 /* Initialize the sentinels for commands */ | |
| 1695 fd_list_init ( &new->dict_cmd_name, NULL ); | |
| 1696 fd_list_init ( &new->dict_cmd_code, NULL ); | |
| 1697 | |
| 1698 /* Initialize the error command object */ | |
| 1699 init_object( &new->dict_cmd_error, DICT_COMMAND ); | |
| 1700 new->dict_cmd_error.data.cmd.cmd_name="(generic error format)"; | |
| 1701 new->dict_cmd_error.data.cmd.cmd_flag_mask=CMD_FLAG_ERROR | CMD_FLAG_REQUEST | CMD_FLAG_RETRANSMIT; | |
| 1702 new->dict_cmd_error.data.cmd.cmd_flag_val =CMD_FLAG_ERROR; | |
|
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1703 new->dict_cmd_error.dico = new; |
| 0 | 1704 |
| 1705 *dict = new; | |
| 1706 | |
| 1707 /* Done */ | |
| 1708 return 0; | |
| 1709 } | |
| 1710 | |
| 1711 /* Destroy a dictionary */ | |
| 1712 int fd_dict_fini ( struct dictionary ** dict) | |
| 1713 { | |
| 1714 int i; | |
| 1715 | |
| 1716 TRACE_ENTRY(""); | |
| 1717 CHECK_PARAMS( dict && *dict && ((*dict)->dict_eyec == DICT_EYECATCHER) ); | |
| 1718 | |
| 1719 /* Acquire the write lock to make sure no other operation is ongoing */ | |
| 1720 CHECK_POSIX( pthread_rwlock_wrlock(&(*dict)->dict_lock) ); | |
| 1721 | |
| 1722 /* Empty all the lists, free the elements */ | |
| 1723 destroy_list ( &(*dict)->dict_cmd_error.list[2] ); | |
| 1724 destroy_list ( &(*dict)->dict_cmd_code ); | |
| 1725 destroy_list ( &(*dict)->dict_cmd_name ); | |
| 1726 destroy_list ( &(*dict)->dict_types ); | |
| 1727 for (i=0; i< NB_LISTS_PER_OBJ; i++) { | |
| 1728 destroy_list ( &(*dict)->dict_applications.list[i] ); | |
| 1729 destroy_list ( &(*dict)->dict_vendors.list[i] ); | |
| 1730 } | |
| 1731 | |
| 1732 /* Dictionary is empty, now destroy the lock */ | |
| 1733 CHECK_POSIX( pthread_rwlock_unlock(&(*dict)->dict_lock) ); | |
| 1734 CHECK_POSIX( pthread_rwlock_destroy(&(*dict)->dict_lock) ); | |
| 1735 | |
| 1736 free(*dict); | |
| 1737 *dict = NULL; | |
| 1738 | |
| 1739 return 0; | |
| 1740 } | |
| 1741 | |
| 1742 /*******************************************************************************************************/ | |
| 1743 /*******************************************************************************************************/ | |
| 1744 /* */ | |
| 1745 /* Other functions */ | |
| 1746 /* */ | |
| 1747 /*******************************************************************************************************/ | |
| 1748 /*******************************************************************************************************/ | |
| 1749 | |
| 1750 /* Iterate a callback on the rules for an object */ | |
| 1751 int fd_dict_iterate_rules ( struct dict_object *parent, void * data, int (*cb)(void *, struct dict_rule_data *) ) | |
| 1752 { | |
| 1753 int ret = 0; | |
| 1754 struct fd_list * li; | |
| 1755 | |
| 1756 TRACE_ENTRY("%p %p %p", parent, data, cb); | |
| 1757 | |
| 1758 /* Check parameters */ | |
| 1759 CHECK_PARAMS( verify_object(parent) ); | |
| 1760 CHECK_PARAMS( (parent->type == DICT_COMMAND) | |
| 1761 || ((parent->type == DICT_AVP) && (parent->data.avp.avp_basetype == AVP_TYPE_GROUPED)) ); | |
| 1762 TRACE_DEBUG (FULL, "Iterating on rules of %s: '%s'.", | |
| 1763 _OBINFO(parent).name, | |
| 1764 parent->type == DICT_COMMAND ? | |
| 1765 parent->data.cmd.cmd_name | |
| 1766 : parent->data.avp.avp_name); | |
| 1767 | |
| 1768 /* Acquire the read lock */ | |
| 1769 CHECK_POSIX( pthread_rwlock_rdlock(&parent->dico->dict_lock) ); | |
| 1770 | |
| 1771 /* go through the list and call the cb on each rule data */ | |
| 1772 for (li = &(parent->list[2]); li->next != &(parent->list[2]); li = li->next) { | |
| 1773 ret = (*cb)(data, &(_O(li->next->o)->data.rule)); | |
| 1774 if (ret != 0) | |
| 1775 break; | |
| 1776 } | |
| 1777 | |
| 1778 /* Release the lock */ | |
| 1779 CHECK_POSIX( pthread_rwlock_unlock(&parent->dico->dict_lock) ); | |
| 1780 | |
| 1781 return ret; | |
| 1782 } | |
| 1783 | |
| 1784 /* Create the list of vendors. Returns a 0-terminated array, that must be freed after use. Returns NULL on error. */ | |
| 1785 uint32_t * fd_dict_get_vendorid_list(struct dictionary * dict) | |
| 1786 { | |
| 1787 uint32_t * ret = NULL; | |
| 1788 int i = 0; | |
| 1789 struct fd_list * li; | |
| 1790 | |
| 1791 TRACE_ENTRY(); | |
| 1792 | |
| 1793 /* Acquire the read lock */ | |
| 1794 CHECK_POSIX_DO( pthread_rwlock_rdlock(&dict->dict_lock), return NULL ); | |
| 1795 | |
| 1796 /* Allocate an array to contain all the elements */ | |
| 1797 CHECK_MALLOC_DO( ret = calloc( dict->dict_count[DICT_VENDOR] + 1, sizeof(uint32_t) ), goto out ); | |
| 1798 | |
| 1799 /* Copy the vendors IDs */ | |
| 1800 for (li = dict->dict_vendors.list[0].next; li != &(dict->dict_vendors.list[0]); li = li->next) { | |
| 1801 ret[i] = _O(li->o)->data.vendor.vendor_id; | |
| 1802 i++; | |
| 1803 ASSERT( i <= dict->dict_count[DICT_VENDOR] ); | |
| 1804 } | |
| 1805 out: | |
| 1806 /* Release the lock */ | |
| 1807 CHECK_POSIX_DO( pthread_rwlock_unlock(&dict->dict_lock), return NULL ); | |
| 1808 | |
| 1809 return ret; | |
| 1810 } | |
| 1811 | |
| 1812 /* Return the location of the cb list for an object, after checking its type */ | |
| 1813 int fd_dict_disp_cb(enum dict_object_type type, struct dict_object *obj, struct fd_list ** cb_list) | |
| 1814 { | |
| 1815 TRACE_ENTRY("%d %p %p", type, obj, cb_list); | |
| 1816 CHECK_PARAMS( verify_object(obj) ); | |
| 1817 CHECK_PARAMS( _OBINFO(obj).type == type ); | |
| 1818 CHECK_PARAMS( cb_list ); | |
| 1819 *cb_list = &obj->disp_cbs; | |
| 1820 return 0; | |
| 1821 } | |
| 1822 | |
| 1823 int fd_dict_get_error_cmd(struct dictionary * dict, struct dict_object **obj) | |
| 1824 { | |
| 1825 TRACE_ENTRY("%p %p", dict, obj); | |
| 1826 CHECK_PARAMS( dict && (dict->dict_eyec == DICT_EYECATCHER) && obj ); | |
| 1827 *obj = &dict->dict_cmd_error; | |
| 1828 return 0; | |
| 1829 } |