epan/radius_dict.l

   1 /*
   2  * We don't use input, so don't generate code for it.
   3  */
   4 %option noinput
   5
   6 /*
   7  * We don't use unput, so don't generate code for it.
   8  */
   9 %option nounput
  10
  11 /*
  12  * We don't read interactively from the terminal.
  13  */
  14 %option never-interactive
  15
  16 /*
  17  * We want to stop processing when we get to the end of the input.
  18  */
  19 %option noyywrap
  20
  21 /*
  22  * The language we're scanning is case-insensitive.
  23  */
  24 %option caseless
  25
  26 /*
  27  * Prefix scanner routines with "Radius" rather than "yy", so this scanner
  28  * can coexist with other scanners.
  29  */
  30 %option prefix="Radius"
  31
  32 %option outfile="radius_dict.c"
  33
  34 %{
  35         /* radius_dict.l
  36         *
  37         * RADIUS dictionary parser
  38         *
  39         * Wireshark - Network traffic analyzer
  40         * By Gerald Combs <gerald@wireshark.org>
  41         * Copyright 1998 Gerald Combs
  42         *
  43         * This program is free software; you can redistribute it and/or
  44         * modify it under the terms of the GNU General Public License
  45         * as published by the Free Software Foundation; either version 2
  46         * of the License, or (at your option) any later version.
  47         *
  48         * This program is distributed in the hope that it will be useful,
  49         * but WITHOUT ANY WARRANTY; without even the implied warranty of
  50         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  51         * GNU General Public License for more details.
  52         *
  53         * You should have received a copy of the GNU General Public License
  54         * along with this program; if not, write to the Free Software
  55         * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  56         */
  57
  58 #include "config.h"
  59
  60 #include <glib.h>
  61 #include <stdio.h>
  62 #include <stdlib.h>
  63 #include <string.h>
  64 #include <errno.h>
  65 #include <epan/packet.h>
  66 #include <epan/dissectors/packet-radius.h>
  67 #include "radius_dict_lex.h"
  68 #include <wsutil/file_util.h>
  69
  70 #ifdef _WIN32
  71 /* disable Windows VC compiler warning "signed/unsigned mismatch" associated  */
  72 /* with YY_INPUT code generated by flex versions such as 2.5.35.              */
  73 #pragma warning (disable:4018)
  74 #endif
  75
  76 #define ECHO
  77 #define MAX_INCLUDE_DEPTH 10
  78
  79         static void add_vendor(const gchar* name, guint32 id, guint type_octets, guint length_octets, gboolean has_flags);
  80         static void add_value(const gchar* attrib_name,const  gchar* repr, guint32 value);
  81         static void add_tlv(const gchar* name, const  gchar* code, radius_attr_dissector_t type, const gchar* attr);
  82         static void add_attribute(const gchar*,const  gchar*, radius_attr_dissector_t,const  gchar*, guint, gboolean, const gchar*);
  83
  84         static YY_BUFFER_STATE include_stack[10];
  85         static int include_stack_ptr = 0;
  86
  87         static radius_dictionary_t* dict = NULL;
  88         static GHashTable* value_strings = NULL; /* GArray(value_string) by attribute name */
  89
  90         static gchar* attr_name = NULL;
  91         static gchar* attr_id = NULL;
  92         static radius_attr_dissector_t* attr_type = NULL;
  93         static gchar* attr_vendor = NULL;
  94         static gchar* vendor_name = NULL;
  95         static guint32 vendor_id = 0;
  96         static guint vendor_type_octets = 1;
  97         static guint vendor_length_octets = 1;
  98         static gboolean vendor_has_flags = FALSE;
  99         static gchar* value_repr = NULL;
 100         static guint encrypted = 0;
 101         static gboolean has_tag = FALSE;
 102         static gchar* current_vendor = NULL;
 103         static gchar* current_attr = NULL;
 104
 105         static GString* error = NULL;
 106         static gchar* directory = NULL;
 107         static int linenums[] = {1,1,1,1,1,1,1,1,1,1};
 108         static gchar* fullpaths[] = {NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL};
 109
 110 %}
 111
 112 /* Note: FreeRadius allows VENDOR, ATTRIBUTE and VALUE names to contain any non-blank character.
 113  *       Using a negated "blank character class" pattern below for those names fails for some reason
 114  *       so for now the patterns for each name type include those characters found for the corresponding
 115  *       name types in the FreeRadius dictionaries.
 116  */
 117
 118 %START WS_OUT VENDOR VENDOR_W_NAME ATTR ATTR_W_NAME ATTR_W_ID ATTR_W_TYPE ATTR_W_VENDOR VALUE VALUE_W_ATTR VALUE_W_NAME INCLUDE JUNK BEGIN_VENDOR END_VENDOR VENDOR_W_ID VENDOR_W_FORMAT VENDOR_W_TYPE_OCTETS VENDOR_W_LENGTH_OCTETS VENDOR_W_CONTINUATION BEGIN_TLV END_TLV
 119 %%
 120 [:blank:]   ;
 121 #[^\n]*         ;
 122
 123 <JUNK>.*\qn             ;
 124
 125 <WS_OUT>VENDOR { BEGIN VENDOR; }
 126 <WS_OUT>ATTRIBUTE { BEGIN ATTR; }
 127 <WS_OUT>VALUE { BEGIN VALUE; }
 128 <WS_OUT>\$INCLUDE { BEGIN INCLUDE; }
 129 <WS_OUT>BEGIN-VENDOR { BEGIN BEGIN_VENDOR; }
 130 <WS_OUT>END-VENDOR { BEGIN END_VENDOR; }
 131 <WS_OUT>BEGIN-TLV { BEGIN BEGIN_TLV; }
 132 <WS_OUT>END-TLV { BEGIN END_TLV; }
 133
 134 <BEGIN_VENDOR>[0-9a-z_-]+ {
 135     if (current_vendor) {
 136         g_free(current_vendor);
 137     }
 138     current_vendor = g_strdup(yytext);
 139     BEGIN WS_OUT;
 140 }
 141 <END_VENDOR>[^\n]* {
 142     if (current_vendor) {
 143         g_free(current_vendor);
 144         current_vendor = NULL;
 145     }
 146     BEGIN WS_OUT;
 147 }
 148
 149 <BEGIN_TLV>[0-9a-z_-]+ {
 150     if (current_attr) {
 151         g_free(current_attr);
 152     }
 153     current_attr = g_strdup(yytext);
 154     BEGIN WS_OUT;
 155 }
 156 <END_TLV>[^\n]* {
 157     if (current_attr) {
 158         g_free(current_attr);
 159         current_attr = NULL;
 160     }
 161     BEGIN WS_OUT;
 162 }
 163
 164 <VENDOR>[0-9a-z_-]+   {
 165     vendor_name = g_strdup(yytext);
 166     vendor_type_octets = 1;
 167     vendor_length_octets = 1;
 168     vendor_has_flags = FALSE;
 169     BEGIN VENDOR_W_NAME;
 170 }
 171 <VENDOR_W_NAME>[0-9]+   {
 172     vendor_id = (guint32) strtoul(yytext,NULL,10);
 173     BEGIN VENDOR_W_ID;
 174 }
 175 <VENDOR_W_NAME>0x[0-9a-f]+   {
 176     vendor_id = (guint32) strtoul(yytext,NULL,16);
 177     BEGIN VENDOR_W_ID;
 178 }
 179 <VENDOR_W_ID>format= {
 180     BEGIN VENDOR_W_FORMAT;
 181 }
 182 <VENDOR_W_FORMAT>[124] {
 183     vendor_type_octets = (guint) strtoul(yytext,NULL,10);
 184     BEGIN VENDOR_W_TYPE_OCTETS;
 185 }
 186 <VENDOR_W_TYPE_OCTETS>,[012] {
 187     vendor_length_octets = (guint) strtoul(yytext+1,NULL,10);
 188     BEGIN VENDOR_W_LENGTH_OCTETS;
 189 }
 190 <VENDOR_W_LENGTH_OCTETS>,c {
 191     vendor_has_flags = TRUE;
 192     BEGIN VENDOR_W_CONTINUATION;
 193 }
 194 <VENDOR_W_FORMAT>\n |
 195 <VENDOR_W_TYPE_OCTETS>\n |
 196 <VENDOR_W_LENGTH_OCTETS>\n |
 197 <VENDOR_W_CONTINUATION>\n |
 198 <VENDOR_W_ID>\n {
 199     add_vendor(vendor_name, vendor_id, vendor_type_octets, vendor_length_octets, vendor_has_flags);
 200     g_free(vendor_name);
 201     BEGIN WS_OUT;
 202 }
 203
 204 <ATTR>[0-9a-z_/.-]+                     { attr_name = g_strdup(yytext); encrypted = 0; has_tag = FALSE; BEGIN ATTR_W_NAME; }
 205 <ATTR_W_NAME>[0-9]+                     { attr_id = g_strdup(yytext);  BEGIN ATTR_W_ID;}
 206 <ATTR_W_NAME>0x[0-9a-f]+                { attr_id = g_strdup_printf("%u",(int)strtoul(yytext,NULL,16)); BEGIN ATTR_W_ID;}
 207 <ATTR_W_ID>integer                      { attr_type = radius_integer;  BEGIN ATTR_W_TYPE; }
 208 <ATTR_W_ID>string                       { attr_type = radius_string;  BEGIN ATTR_W_TYPE; }
 209 <ATTR_W_ID>octets                       { attr_type = radius_octets;  BEGIN ATTR_W_TYPE; }
 210 <ATTR_W_ID>ipaddr                       { attr_type = radius_ipaddr;  BEGIN ATTR_W_TYPE; }
 211 <ATTR_W_ID>ipv6addr                     { attr_type = radius_ipv6addr;  BEGIN ATTR_W_TYPE; }
 212 <ATTR_W_ID>ipv6prefix                   { attr_type = radius_ipv6prefix;  BEGIN ATTR_W_TYPE; }
 213 <ATTR_W_ID>ipxnet                       { attr_type = radius_ipxnet;  BEGIN ATTR_W_TYPE; }
 214 <ATTR_W_ID>date                         { attr_type = radius_date;  BEGIN ATTR_W_TYPE; }
 215 <ATTR_W_ID>abinary                      { attr_type = radius_abinary;  BEGIN ATTR_W_TYPE; }
 216 <ATTR_W_ID>ether                        { attr_type = radius_ether;  BEGIN ATTR_W_TYPE; }
 217 <ATTR_W_ID>ifid                         { attr_type = radius_ifid;  BEGIN ATTR_W_TYPE; }
 218 <ATTR_W_ID>byte                         { attr_type = radius_integer;  BEGIN ATTR_W_TYPE; }
 219 <ATTR_W_ID>short                        { attr_type = radius_integer;  BEGIN ATTR_W_TYPE; }
 220 <ATTR_W_ID>signed                       { attr_type = radius_signed;  BEGIN ATTR_W_TYPE; }
 221 <ATTR_W_ID>combo-ip                     { attr_type = radius_combo_ip;  BEGIN ATTR_W_TYPE; }
 222 <ATTR_W_ID>tlv                          { attr_type = radius_tlv;  BEGIN ATTR_W_TYPE; }
 223 <ATTR_W_ID>[0-9a-z_-]+                  { attr_type = radius_octets;  BEGIN ATTR_W_TYPE; }
 224 <ATTR_W_TYPE>has_tag[,]?                { has_tag = TRUE; }
 225 <ATTR_W_TYPE>encrypt=[123][,]?          { encrypted = (guint) strtoul(yytext+8,NULL,10); }
 226 <ATTR_W_TYPE>[0-9a-z_-]+=([^\n]*)       ;
 227 <ATTR_W_TYPE>[0-9a-z_-]+                {
 228     attr_vendor = g_strdup(yytext);
 229     add_attribute(attr_name,attr_id,attr_type,attr_vendor,encrypted,has_tag,current_attr);
 230     g_free(attr_id);
 231     g_free(attr_vendor);
 232     g_free(attr_name);
 233     attr_id = NULL;
 234     attr_vendor = NULL;
 235     attr_name = NULL;
 236     BEGIN WS_OUT;
 237 }
 238 <ATTR_W_TYPE>\n                                         {
 239     add_attribute(attr_name,attr_id,attr_type,current_vendor,encrypted,has_tag,current_attr);
 240     g_free(attr_id);
 241     g_free(attr_name);
 242     linenums[include_stack_ptr]++;
 243     has_tag = FALSE;
 244     encrypted=FALSE;
 245     BEGIN WS_OUT;
 246 }
 247 <ATTR_W_VENDOR>\n                                       {
 248     add_attribute(attr_name,attr_id,attr_type,attr_vendor,encrypted,has_tag,current_attr);
 249     g_free(attr_id);
 250     g_free(attr_vendor);
 251     g_free(attr_name);
 252     linenums[include_stack_ptr]++;
 253     BEGIN WS_OUT;
 254 };
 255
 256 <VALUE>[0-9a-z_/-]+                             { attr_name = g_strdup(yytext); BEGIN VALUE_W_ATTR; }
 257 <VALUE_W_ATTR>[^[:blank:]]+                     { value_repr = g_strdup(yytext); BEGIN VALUE_W_NAME; }
 258 <VALUE_W_NAME>[0-9]+                            { add_value(attr_name,value_repr, (guint32) strtoul(yytext,NULL,10));  g_free(attr_name); g_free(value_repr); BEGIN WS_OUT;}
 259 <VALUE_W_NAME>0x[0-9a-f]+                       { add_value(attr_name,value_repr, (guint32) strtoul(yytext,NULL,16));  g_free(attr_name); g_free(value_repr); BEGIN WS_OUT;}
 260
 261 <INCLUDE>[^[:blank:]\n]+   {
 262         if ( include_stack_ptr >= MAX_INCLUDE_DEPTH ) {
 263                 g_string_append_printf(error, "$INCLUDE files nested to deeply\n");
 264                 yyterminate();
 265         }
 266
 267         include_stack[include_stack_ptr++] = YY_CURRENT_BUFFER;
 268
 269         fullpaths[include_stack_ptr] = g_strdup_printf("%s" G_DIR_SEPARATOR_S "%s",
 270             directory,yytext);
 271
 272         yyin = ws_fopen( fullpaths[include_stack_ptr], "r" );
 273
 274         if (!yyin) {
 275                 if (errno) {
 276                         g_string_append_printf(error,
 277                                         "Could not open file: '%s', error: %s\n",
 278                                         fullpaths[include_stack_ptr],
 279                                         g_strerror(errno) );
 280                 } else {
 281                         g_string_append_printf(error,
 282                                         "Could not open file: '%s', no errno\n",
 283                                         fullpaths[include_stack_ptr]);
 284                 }
 285                 g_free(fullpaths[include_stack_ptr]);
 286                 fullpaths[include_stack_ptr] = NULL;
 287                 include_stack_ptr--;
 288         } else {
 289                 linenums[include_stack_ptr] = 1;
 290                 yy_switch_to_buffer(yy_create_buffer( yyin, YY_BUF_SIZE ) );
 291         }
 292
 293
 294         BEGIN WS_OUT;
 295 }
 296
 297 <<EOF>> {
 298
 299         fclose(yyin);
 300         yyin = NULL;
 301
 302         if ( --include_stack_ptr < 0 ) {
 303                 yyterminate();
 304         } else {
 305                 g_free(fullpaths[include_stack_ptr+1]);
 306                 fullpaths[include_stack_ptr+1] = NULL;
 307
 308                 yy_delete_buffer( YY_CURRENT_BUFFER );
 309                 yy_switch_to_buffer(include_stack[include_stack_ptr]);
 310         }
 311
 312         BEGIN WS_OUT;
 313 }
 314
 315 \n      { linenums[include_stack_ptr]++; BEGIN WS_OUT; }
 316
 317
 318 %%
 319
 320 static void add_vendor(const gchar* name, guint32 id, guint type_octets, guint length_octets, gboolean has_flags) {
 321         radius_vendor_info_t* v;
 322
 323         v = (radius_vendor_info_t *)g_hash_table_lookup(dict->vendors_by_id, GUINT_TO_POINTER(id));
 324
 325         if (!v) {
 326                 /*
 327                  * New vendor.
 328                  * Allocate a new entry and insert it into the by-ID and
 329                  * by-name hash tables.
 330                  */
 331                 v = g_new(radius_vendor_info_t,1);
 332                 v->attrs_by_id = g_hash_table_new(g_direct_hash,g_direct_equal);
 333                 v->code = id;
 334                 v->ett = -1;
 335                 v->name = g_strdup(name);
 336                 v->type_octets = type_octets;
 337                 v->length_octets = length_octets;
 338                 v->has_flags = has_flags;
 339
 340                 g_hash_table_insert(dict->vendors_by_id,GUINT_TO_POINTER(v->code),v);
 341                 g_hash_table_insert(dict->vendors_by_name, (gpointer) v->name, v);
 342         } else {
 343                 /*
 344                  * This vendor is already in the table.
 345                  *
 346                  * Assume that the dictionary knows the 'ground truth' about
 347                  * the type/length/has_flags information and thus allow the
 348                  * dictionary to overwrite these values even for vendors that
 349                  * have already been loaded.
 350                  *
 351                  * XXX - this could be due to the vendor being in multiple
 352                  * dictionary files, rather than having been specially
 353                  * entered by the RADIUS dissector, as a side effect of
 354                  * specially entering an attribute; should we report vendors
 355                  * that appear in different dictionaries with different
 356                  * properties?
 357                  */
 358                 v->type_octets = type_octets;
 359                 v->length_octets = length_octets;
 360                 v->has_flags = has_flags;
 361
 362                 /*
 363                  * Did the name change?
 364                  */
 365                 if (g_strcmp0(v->name, name) != 0) {
 366                         /*
 367                          * Yes.  Remove the entry from the by-name hash table
 368                          * and re-insert it with the new name.
 369                          */
 370                         g_hash_table_remove(dict->vendors_by_name, (gpointer) v->name);
 371                         g_free((gpointer) v->name);
 372                         v->name = g_strdup(name);
 373                         g_hash_table_insert(dict->vendors_by_name, (gpointer) v->name, v);
 374                 }
 375         }
 376 }
 377
 378 static void add_attribute(const gchar* name, const  gchar* codestr, radius_attr_dissector_t type, const  gchar* vendor, guint encrypted_flag, gboolean tagged, const gchar* attr) {
 379         radius_attr_info_t* a;
 380         GHashTable* by_id;
 381         guint32 code;
 382
 383         if (attr){
 384                 add_tlv(name, codestr, type, attr);
 385                 return;
 386         }
 387
 388
 389         if (vendor) {
 390                 radius_vendor_info_t* v;
 391                 v = (radius_vendor_info_t *)g_hash_table_lookup(dict->vendors_by_name,vendor);
 392
 393                 if (! v) {
 394                         g_string_append_printf(error, "Vendor: '%s', does not exist in %s:%i \n", vendor, fullpaths[include_stack_ptr], linenums[include_stack_ptr] );
 395                         BEGIN JUNK;
 396                         return;
 397                 } else {
 398                         by_id = v->attrs_by_id;
 399                 }
 400         } else {
 401                 by_id = dict->attrs_by_id;
 402         }
 403
 404         code= (guint32) strtoul(codestr, NULL, 10);
 405
 406         a=(radius_attr_info_t*)g_hash_table_lookup(by_id, GUINT_TO_POINTER(code));
 407
 408         if (!a) {
 409                 /*
 410                  * New attribute.
 411                  * Allocate a new entry and insert it into the by-ID and
 412                  * by-name hash tables.
 413                  */
 414                 a = g_new(radius_attr_info_t,1);
 415                 a->code = code;
 416                 a->name = g_strdup(name);
 417                 a->dissector = NULL;
 418                 a->encrypt = encrypted_flag;
 419                 a->tagged =  tagged;
 420                 a->type = type;
 421                 a->vs = NULL;
 422                 a->hf = -1;
 423                 a->hf_alt = -1;
 424                 a->hf_tag = -1;
 425                 a->hf_len = -1;
 426                 a->ett = -1;
 427                 a->tlvs_by_id = NULL;
 428                 g_hash_table_insert(by_id, GUINT_TO_POINTER(code),a);
 429                 g_hash_table_insert(dict->attrs_by_name,(gpointer) (a->name),a);
 430         } else {
 431                 /*
 432                  * This attribute is already in the table.
 433                  *
 434                  * Overwrite the encrypted flag, tagged property, and type;
 435                  * the other properties don't get set until after we've
 436                  * finished reading the dictionaries.
 437                  *
 438                  * XXX - this could be due to the attribute being in
 439                  * multiple dictionary files, rather than having been
 440                  * specially entered by the RADIUS dissector to give it
 441                  * a special dissection routine; should we report attributes
 442                  * that appear in different dictionaries with different
 443                  * properties?
 444                  */
 445                 a->encrypt = encrypted_flag;
 446                 a->tagged =  tagged;
 447                 a->type = type;
 448
 449                 /*
 450                  * Did the name change?
 451                  */
 452                 if (g_strcmp0(a->name, name) != 0) {
 453                         /*
 454                          * Yes.  Remove the entry from the by-name hash table
 455                          * and re-insert it with the new name.
 456                          */
 457                         g_hash_table_remove(dict->attrs_by_name, (gpointer) (a->name));
 458                         g_free((gpointer) a->name);
 459                         a->name = g_strdup(name);
 460                         g_hash_table_insert(dict->attrs_by_name, (gpointer) (a->name),a);
 461                 }
 462         }
 463 }
 464
 465 static void add_tlv(const gchar* name, const  gchar* codestr, radius_attr_dissector_t type, const gchar* attr) {
 466         radius_attr_info_t* a;
 467         radius_attr_info_t* s;
 468         guint32 code;
 469
 470         a = (radius_attr_info_t*)g_hash_table_lookup(dict->attrs_by_name, attr);
 471
 472         if (! a) {
 473                 g_string_append_printf(error, "Attr: '%s', does not exist in %s:%i \n", attr, fullpaths[include_stack_ptr], linenums[include_stack_ptr]);
 474                 BEGIN JUNK;
 475                 return;
 476         }
 477
 478         if (type == radius_tlv) {
 479                 g_string_append_printf(error, "sub-TLV: '%s', sub-TLV's type is specified as tlv in %s:%i \n", name, fullpaths[include_stack_ptr], linenums[include_stack_ptr]);
 480                 BEGIN JUNK;
 481                 return;
 482         }
 483
 484
 485         if (! a->tlvs_by_id) {
 486                 a->tlvs_by_id = g_hash_table_new(g_direct_hash,g_direct_equal);
 487         }
 488
 489         code = (guint32) strtoul(codestr, NULL, 10);
 490
 491         s = (radius_attr_info_t*)g_hash_table_lookup(a->tlvs_by_id, GUINT_TO_POINTER(code));
 492
 493         if (!s) {
 494                 /*
 495                  * This TLV doesn't yet exist in this attribute's TLVs-by-ID
 496                  * hash table.  Add it.
 497                  */
 498                 s = g_new(radius_attr_info_t,1);
 499                 s->name = g_strdup(name);
 500                 s->dissector = NULL;
 501                 s->code = code;
 502                 s->type = type;
 503                 s->encrypt = FALSE;
 504                 s->tagged = FALSE;
 505                 s->dissector = NULL;
 506                 s->vs = NULL;
 507                 s->hf = -1;
 508                 s->hf_alt = -1;
 509                 s->hf_tag = -1;
 510                 s->hf_len = -1;
 511                 s->ett = -1;
 512                 s->tlvs_by_id = NULL;
 513
 514                 g_hash_table_insert(a->tlvs_by_id,GUINT_TO_POINTER(s->code),s);
 515                 g_hash_table_insert(dict->tlvs_by_name,(gpointer) (s->name),s);
 516         }
 517
 518         /*
 519          * If it *does* exist, leave it alone; there shouldn't be duplicate
 520          * entries by name in the dictionaries (even if there might be
 521          * multiple entries for a given attribute in the dictionaries, each
 522          * one adding some TLV values), and we don't directly add entries
 523          * for TLVs in the RADIUS dissector.
 524          *
 525          * XXX - report the duplicate entries?
 526          */
 527 }
 528
 529 void add_value(const gchar* attrib_name, const gchar* repr, guint32 value) {
 530         value_string v;
 531         GArray* a = (GArray*)g_hash_table_lookup(value_strings,attrib_name);
 532
 533         if (! a) {
 534                 a = g_array_new(TRUE,TRUE,sizeof(value_string));
 535                 g_hash_table_insert(value_strings,g_strdup(attrib_name),a);
 536         }
 537
 538         v.value = value;
 539         v.strptr = g_strdup(repr);
 540
 541         g_array_append_val(a,v);
 542 }
 543
 544 static void setup_tlvs(gpointer k _U_, gpointer v, gpointer p _U_) {
 545         radius_attr_info_t* s = (radius_attr_info_t*)v;
 546         gpointer key;
 547
 548         union {
 549                 GArray* a;
 550                 gpointer p;
 551         } vs;
 552
 553         if (g_hash_table_lookup_extended(value_strings, s->name, &key, &vs.p)) {
 554                 s->vs = (value_string*)(void *)vs.a->data;
 555                 g_array_free(vs.a, FALSE);
 556                 g_hash_table_remove(value_strings, key);
 557                 g_free(key);
 558         }
 559 }
 560
 561 static void setup_attrs(gpointer k _U_, gpointer v, gpointer p _U_) {
 562         radius_attr_info_t* a = (radius_attr_info_t*)v;
 563         gpointer key;
 564
 565         union {
 566                 GArray* a;
 567                 gpointer p;
 568         } vs;
 569
 570         if (g_hash_table_lookup_extended(value_strings,a->name,&key,&vs.p) ) {
 571                 a->vs = (value_string*)(void *)vs.a->data;
 572                 g_array_free(vs.a,FALSE);
 573                 g_hash_table_remove(value_strings,key);
 574                 g_free(key);
 575         }
 576
 577         if (a->tlvs_by_id) {
 578                 g_hash_table_foreach(a->tlvs_by_id, setup_tlvs, p);
 579         }
 580 }
 581
 582 static void setup_vendors(gpointer k _U_, gpointer v, gpointer p) {
 583         radius_vendor_info_t* vnd = (radius_vendor_info_t*)v;
 584
 585         g_hash_table_foreach(vnd->attrs_by_id,setup_attrs,p);
 586 }
 587
 588 static gboolean destroy_value_strings(gpointer k, gpointer v, gpointer p _U_) {
 589         value_string* vs = (value_string*)(void *)(((GArray*)v)->data);
 590
 591         g_free(k);
 592
 593         for (;vs->strptr;vs++) {
 594                 g_free((void*)vs->strptr);
 595         }
 596
 597         g_array_free((GArray*)v,TRUE);
 598         return TRUE;
 599 }
 600
 601 gboolean radius_load_dictionary (radius_dictionary_t* d, gchar* dir, const gchar* filename, gchar** err_str) {
 602         int i;
 603
 604         dict = d;
 605         directory = dir;
 606
 607         fullpaths[include_stack_ptr] = g_strdup_printf("%s" G_DIR_SEPARATOR_S "%s",
 608             directory,filename);
 609
 610         error = g_string_new("");
 611
 612         yyin = ws_fopen(fullpaths[include_stack_ptr],"r");
 613
 614         if (!yyin) {
 615                 g_string_append_printf(error, "Could not open file: '%s', error: %s\n", fullpaths[include_stack_ptr], g_strerror(errno) );
 616                 g_free(fullpaths[include_stack_ptr]);
 617                 *err_str = g_string_free(error,FALSE);
 618                 return FALSE;
 619         }
 620
 621         value_strings = g_hash_table_new(g_str_hash,g_str_equal);
 622
 623         BEGIN WS_OUT;
 624
 625         yylex();
 626
 627         if (yyin != NULL) fclose(yyin);
 628         yyin = NULL;
 629
 630         for (i=0; i < 10; i++) {
 631                 if (fullpaths[i]) g_free(fullpaths[i]);
 632         }
 633
 634         g_hash_table_foreach(dict->attrs_by_id,setup_attrs,NULL);
 635         g_hash_table_foreach(dict->vendors_by_id,setup_vendors,NULL);
 636         g_hash_table_foreach_remove(value_strings,destroy_value_strings,NULL);
 637
 638         if (error->len > 0) {
 639                 *err_str = g_string_free(error,FALSE);
 640                 return FALSE;
 641         } else {
 642                 *err_str = NULL;
 643                 g_string_free(error,TRUE);
 644                 return TRUE;
 645         }
 646 }
 647
 648 /*
 649  * Editor modelines  -  http://www.wireshark.org/tools/modelines.html
 650  *
 651  * Local variables:
 652  * c-basic-offset: 8
 653  * tab-width: 8
 654  * indent-tabs-mode: t
 655  * End:
 656  *
 657  * vi: set shiftwidth=8 tabstop=8 noexpandtab:
 658  * :indentSize=8:tabSize=8:noTabs=false:
 659  */