src/ldif.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 2001-2007 Match Grun and the Claws Mail team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 /*
  21  * Functions necessary to access LDIF files (LDAP Data Interchange Format
  22  * files).
  23  */
  24
  25 #include <glib.h>
  26 #include <glib/gi18n.h>
  27 #include <string.h>
  28 #include <sys/stat.h>
  29
  30 #include "mgutils.h"
  31 #include "ldif.h"
  32 #include "addritem.h"
  33 #include "addrcache.h"
  34
  35 #include "base64.h"
  36 #include "utils.h"
  37
  38 #define LDIF_SEP_TAG    ':'
  39 #define LDIF_LANG_TAG   ';'
  40
  41 /**
  42  * Create new object.
  43  * \return Initialized LDIF file object.
  44  */
  45 LdifFile *ldif_create() {
  46         LdifFile *ldifFile;
  47         ldifFile = g_new0( LdifFile, 1 );
  48         ldifFile->path = NULL;
  49         ldifFile->file = NULL;
  50         ldifFile->bufptr = ldifFile->buffer;
  51         ldifFile->hashFields = g_hash_table_new( g_str_hash, g_str_equal );
  52         ldifFile->tempList = NULL;
  53         ldifFile->dirtyFlag = TRUE;
  54         ldifFile->accessFlag = FALSE;
  55         ldifFile->retVal = MGU_SUCCESS;
  56         ldifFile->cbProgress = NULL;
  57         ldifFile->importCount = 0;
  58         return ldifFile;
  59 }
  60
  61 /**
  62  * Specify full file specification of LDIF file.
  63  * \param ldifFile LDIF import control object.
  64  * \param value    Value of access flag.
  65  */
  66 void ldif_set_file( LdifFile *ldifFile, const gchar *value ) {
  67         g_return_if_fail( ldifFile != NULL );
  68
  69         if( ldifFile->path ) {
  70                 if( strcmp( ldifFile->path, value ) != 0 )
  71                         ldifFile->dirtyFlag = TRUE;
  72         }
  73         else {
  74                 ldifFile->dirtyFlag = TRUE;
  75         }
  76         ldifFile->path = mgu_replace_string( ldifFile->path, value );
  77         g_strstrip( ldifFile->path );
  78         ldifFile->importCount = 0;
  79 }
  80
  81 /**
  82  * Set the file access indicator.
  83  * \param ldifFile LDIF import control object.
  84  * \param value    File specification.
  85  */
  86 void ldif_set_accessed( LdifFile *ldifFile, const gboolean value ) {
  87         g_return_if_fail( ldifFile != NULL );
  88         ldifFile->accessFlag = value;
  89 }
  90
  91 /**
  92  * Create field record object.
  93  * \return Initialized LDIF field object.
  94  */
  95 static Ldif_FieldRec *ldif_create_fieldrec( const gchar *field ) {
  96         Ldif_FieldRec *rec = g_new0( Ldif_FieldRec, 1 );
  97         rec->tagName = g_strdup( field );
  98         rec->userName = NULL;
  99         rec->reserved = FALSE;
 100         rec->selected = FALSE;
 101         return rec;
 102 }
 103
 104 /**
 105  * Free field record object.
 106  * \param rec LDIF field object.
 107  */
 108 static void ldif_free_fieldrec( Ldif_FieldRec *rec ) {
 109         if( rec ) {
 110                 g_free( rec->tagName );
 111                 g_free( rec->userName );
 112                 rec->tagName = NULL;
 113                 rec->userName = NULL;
 114                 rec->reserved = FALSE;
 115                 rec->selected = FALSE;
 116                 g_free( rec );
 117         }
 118 }
 119
 120 /**
 121  * Set user name for field record.
 122  * \param rec   LDIF field object.
 123  * \param value User name to set. Note that reserved fields cannot be
 124  *              named.
 125  */
 126 void ldif_field_set_name( Ldif_FieldRec *rec, const gchar *value ) {
 127         g_return_if_fail( rec != NULL );
 128
 129         if( ! rec->reserved ) {
 130                 rec->userName = mgu_replace_string( rec->userName, value );
 131                 g_strstrip( rec->userName );
 132         }
 133 }
 134
 135 /**
 136  * Specify selection for field record.
 137  * \param rec   LDIF field object.
 138  * \param value Set to <i>TRUE</i> to select field. Note that reserved
 139  *              fields cannot be unselected.
 140  */
 141 void ldif_field_set_selected( Ldif_FieldRec *rec, const gboolean value ) {
 142         g_return_if_fail( rec != NULL );
 143
 144         if( ! rec->reserved ) {
 145                 rec->selected = value;
 146         }
 147 }
 148
 149 /**
 150  * Toggle selection for field record. Note that reserved fields cannot be
 151  * toggled.
 152  * \param rec   LDIF field object.
 153  */
 154 void ldif_field_toggle( Ldif_FieldRec *rec ) {
 155         g_return_if_fail( rec != NULL );
 156
 157         if( ! rec->reserved ) {
 158                 rec->selected = !rec->selected;
 159         }
 160 }
 161
 162 /**
 163  * Free hash table entry visitor function.
 164  * \param  key   Key.
 165  * \param  value Value (the LDIF field record).
 166  * \param  data  User data.
 167  * \return <code>-1</code>.
 168 */
 169 static gint ldif_hash_free_vis( gpointer key, gpointer value, gpointer data ) {
 170         ldif_free_fieldrec( ( Ldif_FieldRec * ) value );
 171         value = NULL;
 172         key = NULL;
 173         return -1;
 174 }
 175
 176 /**
 177  * Free up object by releasing internal memory.
 178  * \param ldifFile LDIF import control object.
 179  */
 180 void ldif_free( LdifFile *ldifFile ) {
 181         g_return_if_fail( ldifFile != NULL );
 182
 183         /* Close file */
 184         if( ldifFile->file ) fclose( ldifFile->file );
 185
 186         /* Free internal stuff */
 187         g_free( ldifFile->path );
 188
 189         /* Free field list */
 190         g_hash_table_foreach_remove( ldifFile->hashFields, ldif_hash_free_vis, NULL );
 191         g_hash_table_destroy( ldifFile->hashFields );
 192         ldifFile->hashFields = NULL;
 193
 194         /* Clear pointers */
 195         ldifFile->file = NULL;
 196         ldifFile->path = NULL;
 197         ldifFile->retVal = MGU_SUCCESS;
 198         ldifFile->tempList = NULL;
 199         ldifFile->dirtyFlag = FALSE;
 200         ldifFile->accessFlag = FALSE;
 201         ldifFile->cbProgress = NULL;
 202
 203         /* Now release file object */
 204         g_free( ldifFile );
 205 }
 206
 207 /**
 208  * Open file for read.
 209  * \param  ldifFile LDIF import control object.
 210  * \return <i>TRUE</i> if file opened successfully.
 211  */
 212 static gint ldif_open_file( LdifFile* ldifFile ) {
 213         /* printf( "Opening file\n" ); */
 214         if( ldifFile->path ) {
 215                 ldifFile->file = g_fopen( ldifFile->path, "rb" );
 216                 if( ! ldifFile->file ) {
 217                         /* printf( "can't open %s\n", ldifFile->path ); */
 218                         ldifFile->retVal = MGU_OPEN_FILE;
 219                         return ldifFile->retVal;
 220                 }
 221         }
 222         else {
 223                 /* printf( "file not specified\n" ); */
 224                 ldifFile->retVal = MGU_NO_FILE;
 225                 return ldifFile->retVal;
 226         }
 227
 228         /* Setup a buffer area */
 229         ldifFile->buffer[0] = '\0';
 230         ldifFile->bufptr = ldifFile->buffer;
 231         ldifFile->retVal = MGU_SUCCESS;
 232         return ldifFile->retVal;
 233 }
 234
 235 /**
 236  * Close file.
 237  * \param  ldifFile LDIF import control object.
 238  */
 239 static void ldif_close_file( LdifFile *ldifFile ) {
 240         g_return_if_fail( ldifFile != NULL );
 241         if( ldifFile->file ) fclose( ldifFile->file );
 242         ldifFile->file = NULL;
 243 }
 244
 245 /**
 246  * Read line of text from file.
 247  * \param  ldifFile LDIF import control object.
 248  * \return ptr to buffer where line starts.
 249  */
 250 static gchar *ldif_get_line( LdifFile *ldifFile ) {
 251         gchar buf[ LDIFBUFSIZE ];
 252         gint ch;
 253         int i = 0;
 254
 255         if( feof( ldifFile->file ) )
 256                 return NULL;
 257
 258         while( i < LDIFBUFSIZE-1 ) {
 259                 ch = fgetc( ldifFile->file );
 260                 if (ferror( ldifFile->file ))
 261                         ldifFile->retVal = MGU_ERROR_READ;
 262                 if( ch == '\0' || ch == EOF ) {
 263                         if( i == 0 ) return NULL;
 264                         break;
 265                 }
 266 #if HAVE_DOSISH_SYSTEM
 267 #else
 268                 if( ch == '\r' )
 269                         continue;
 270 #endif
 271                 if( ch == '\n' )
 272                         break;
 273                 buf[i] = ch;
 274                 i++;
 275         }
 276         buf[i] = '\0';
 277
 278         /* Return a copy of buffer */
 279         return g_strdup( buf );
 280 }
 281
 282 /**
 283  * Parse tag name from line buffer.
 284  * \param  line Buffer.
 285  * \param  flag64 Base-64 encoder flag.
 286  * \return Buffer containing the tag name, or NULL if no delimiter char found.
 287  *         If a double delimiter (::) is found, flag64 is set.
 288  */
 289 static gchar *ldif_get_tagname( char* line, gboolean *flag64 ) {
 290         gint len = 0;
 291         gchar *tag = NULL;
 292         gchar *lptr = line;
 293         gchar *sptr = NULL;
 294
 295         while( *lptr++ ) {
 296                 /* Check for language tag */
 297                 if( *lptr == LDIF_LANG_TAG ) {
 298                         if( sptr == NULL ) sptr = lptr;
 299                 }
 300
 301                 /* Check for delimiter */
 302                 if( *lptr == LDIF_SEP_TAG ) {
 303                         if( sptr ) {
 304                                 len = sptr - line;
 305                         }
 306                         else {
 307                                 len = lptr - line;
 308                         }
 309
 310                         /* Base-64 encoding? */
 311                         if( * ++lptr == LDIF_SEP_TAG ) *flag64 = TRUE;
 312
 313                         tag = g_strndup( line, len+1 );
 314                         tag[ len ] = '\0';
 315                         g_strdown( tag );
 316                         return tag;
 317                 }
 318         }
 319         return tag;
 320 }
 321
 322 /**
 323  * Parse tag value from line buffer.
 324  * \param  line Buffer.
 325  * \return Buffer containing the tag value. Empty string is returned if
 326  *         no delimiter char found.
 327  */
 328 static gchar *ldif_get_tagvalue( gchar* line ) {
 329         gchar *value = NULL;
 330         gchar *start = NULL;
 331         gchar *lptr;
 332         gint len = 0;
 333
 334         for( lptr = line; *lptr; lptr++ ) {
 335                 if( *lptr == LDIF_SEP_TAG ) {
 336                         if( ! start )
 337                                 start = lptr + 1;
 338                 }
 339         }
 340         if( start ) {
 341                 if( *start == LDIF_SEP_TAG ) start++;
 342                 len = lptr - start;
 343                 value = g_strndup( start, len+1 );
 344                 g_strstrip( value );
 345         }
 346         else {
 347                 /* Ensure that we get an empty string */
 348                 value = g_strndup( "", 1 );
 349         }
 350         value[ len ] = '\0';
 351         return value;
 352 }
 353
 354 /**
 355  * Parsed address data record.
 356  */
 357 typedef struct _Ldif_ParsedRec_ Ldif_ParsedRec;
 358 struct _Ldif_ParsedRec_ {
 359         GSList *listCName;
 360         GSList *listFName;
 361         GSList *listLName;
 362         GSList *listNName;
 363         GSList *listAddress;
 364         GSList *listID;
 365         GSList *userAttr;
 366 };
 367
 368 /**
 369  * User attribute data record.
 370  */
 371 typedef struct _Ldif_UserAttr_ Ldif_UserAttr;
 372 struct _Ldif_UserAttr_ {
 373         gchar *name;
 374         gchar *value;
 375 };
 376
 377 /**
 378  * Build an address list entry and append to list of address items in the
 379  * address cache. Name is formatted as "<first-name> <last-name>".
 380  * \param ldifFile LDIF import control object.
 381  * \param rec      LDIF field object.
 382  * \param cache    Address cache to be populated with data.
 383  */
 384 static void ldif_build_items(
 385                 LdifFile *ldifFile, Ldif_ParsedRec *rec, AddressCache *cache )
 386 {
 387         GSList *nodeFirst;
 388         GSList *nodeAddress;
 389         GSList *nodeAttr;
 390         gchar *firstName = NULL, *lastName = NULL, *fullName = NULL;
 391         gchar *nickName = NULL;
 392         gint iLen = 0, iLenT = 0;
 393         ItemPerson *person;
 394         ItemEMail *email;
 395
 396         nodeAddress = rec->listAddress;
 397         if( nodeAddress == NULL ) return;
 398
 399         /* Find longest first name in list */
 400         nodeFirst = rec->listFName;
 401         while( nodeFirst ) {
 402                 if( firstName == NULL ) {
 403                         firstName = nodeFirst->data;
 404                         iLen = strlen( firstName );
 405                 }
 406                 else {
 407                         if( ( iLenT = strlen( nodeFirst->data ) ) > iLen ) {
 408                                 firstName = nodeFirst->data;
 409                                 iLen = iLenT;
 410                         }
 411                 }
 412                 nodeFirst = g_slist_next( nodeFirst );
 413         }
 414
 415         /* Format name */
 416         if( rec->listLName ) {
 417                 lastName = rec->listLName->data;
 418         }
 419
 420         if( firstName ) {
 421                 if( lastName ) {
 422                         fullName = g_strdup_printf(
 423                                 "%s %s", firstName, lastName );
 424                 }
 425                 else {
 426                         fullName = g_strdup_printf( "%s", firstName );
 427                 }
 428         }
 429         else {
 430                 if( lastName ) {
 431                         fullName = g_strdup_printf( "%s", lastName );
 432                 }
 433         }
 434
 435         if (!fullName || strlen(fullName) == 0) {
 436                 g_free(fullName);
 437                 fullName = NULL;
 438                 if (rec->listCName)
 439                         fullName = g_strdup(rec->listCName->data);
 440         }
 441
 442         if( fullName ) {
 443                 g_strchug( fullName ); g_strchomp( fullName );
 444         }
 445
 446         if( rec->listNName ) {
 447                 nickName = rec->listNName->data;
 448         }
 449
 450         person = addritem_create_item_person();
 451         addritem_person_set_common_name( person, fullName );
 452         addritem_person_set_first_name( person, firstName );
 453         addritem_person_set_last_name( person, lastName );
 454         addritem_person_set_nick_name( person, nickName );
 455         addrcache_id_person( cache, person );
 456         addrcache_add_person( cache, person );
 457         ++ldifFile->importCount;
 458
 459         /* Add address item */
 460         while( nodeAddress ) {
 461                 email = addritem_create_item_email();
 462                 addritem_email_set_address( email, nodeAddress->data );
 463                 addrcache_id_email( cache, email );
 464                 addrcache_person_add_email( cache, person, email );
 465                 nodeAddress = g_slist_next( nodeAddress );
 466         }
 467         g_free( fullName );
 468         fullName = firstName = lastName = NULL;
 469
 470         /* Add user attributes */
 471         nodeAttr = rec->userAttr;
 472         while( nodeAttr ) {
 473                 Ldif_UserAttr *attr = nodeAttr->data;
 474                 UserAttribute *attrib = addritem_create_attribute();
 475                 addritem_attrib_set_name( attrib, attr->name );
 476                 addritem_attrib_set_value( attrib, attr->value );
 477                 addritem_person_add_attribute( person, attrib );
 478                 nodeAttr = g_slist_next( nodeAttr );
 479         }
 480         nodeAttr = NULL;
 481 }
 482
 483 /**
 484  * Add selected field as user attribute.
 485  * \param rec       LDIF field object.
 486  * \param tagName   LDIF tag name.
 487  * \param tagValue  Data value.
 488  * \param hashField Hash table to populate.
 489  */
 490 static void ldif_add_user_attr(
 491                 Ldif_ParsedRec *rec, gchar *tagName, gchar *tagValue,
 492                 GHashTable *hashField )
 493 {
 494         Ldif_FieldRec *fld = NULL;
 495         Ldif_UserAttr *attr = NULL;
 496         gchar *name;
 497
 498         fld = g_hash_table_lookup( hashField, tagName );
 499         if( fld ) {
 500                 if( ! fld->selected ) return;
 501
 502                 name = fld->tagName;
 503                 if( fld->userName ) {
 504                         name = fld->userName;
 505                 }
 506                 attr = g_new0( Ldif_UserAttr, 1 );
 507                 attr->name = g_strdup( name );
 508                 attr->value = g_strdup( tagValue );
 509                 rec->userAttr = g_slist_append( rec->userAttr, attr );
 510         }
 511 }
 512
 513 /**
 514  * Add value to parsed data.
 515  * \param rec       LDIF field object.
 516  * \param tagName   LDIF tag name.
 517  * \param tagValue  Data value.
 518  * \param hashField Hash table to populate.
 519  */
 520 static void ldif_add_value(
 521                Ldif_ParsedRec *rec, gchar *tagName, gchar *tagValue,
 522                GHashTable *hashField )
 523 {
 524         gchar *nm, *val;
 525
 526         nm = g_strdup( tagName );
 527         g_strdown( nm );
 528         if( tagValue ) {
 529                 val = g_strdup( tagValue );
 530         }
 531         else {
 532                 val = g_strdup( "" );
 533         }
 534         g_strstrip( val );
 535
 536         if( g_utf8_collate( nm, LDIF_TAG_COMMONNAME ) == 0 ) {
 537                 rec->listCName = g_slist_append( rec->listCName, val );
 538         }
 539         else if( g_utf8_collate( nm, LDIF_TAG_FIRSTNAME ) == 0 ) {
 540                 rec->listFName = g_slist_append( rec->listFName, val );
 541         }
 542         else if( g_utf8_collate( nm, LDIF_TAG_LASTNAME ) == 0 ) {
 543                 rec->listLName = g_slist_append( rec->listLName, val );
 544         }
 545         else if( g_utf8_collate( nm, LDIF_TAG_NICKNAME ) == 0 ) {
 546                 rec->listNName = g_slist_append( rec->listNName, val );
 547         }
 548         else if( g_utf8_collate( nm, LDIF_TAG_EMAIL ) == 0 ) {
 549                 rec->listAddress = g_slist_append( rec->listAddress, val );
 550         }
 551         else {
 552                 /* Add field as user attribute */
 553                 ldif_add_user_attr( rec, tagName, tagValue, hashField );
 554         }
 555         g_free( nm );
 556 }
 557
 558 /**
 559  * Clear parsed data record.
 560  * \param rec LDIF field object.
 561  */
 562 static void ldif_clear_rec( Ldif_ParsedRec *rec ) {
 563         GSList *list;
 564
 565         /* Free up user attributes */
 566         list = rec->userAttr;
 567         while( list ) {
 568                 Ldif_UserAttr *attr = list->data;
 569                 g_free( attr->name );
 570                 g_free( attr->value );
 571                 g_free( attr );
 572                 list = g_slist_next( list );
 573         }
 574         g_slist_free( rec->userAttr );
 575
 576         g_slist_free( rec->listCName );
 577         g_slist_free( rec->listFName );
 578         g_slist_free( rec->listLName );
 579         g_slist_free( rec->listNName );
 580         g_slist_free( rec->listAddress );
 581         g_slist_free( rec->listID );
 582
 583         rec->userAttr = NULL;
 584         rec->listCName = NULL;
 585         rec->listFName = NULL;
 586         rec->listLName = NULL;
 587         rec->listNName = NULL;
 588         rec->listAddress = NULL;
 589         rec->listID = NULL;
 590 }
 591
 592 /**
 593  * Read file data into address cache.
 594  * Note that one LDIF record identifies one entity uniquely with the
 595  * distinguished name (dn) tag. Each person can have multiple E-Mail
 596  * addresses. Also, each person can have many common name (cn) tags.
 597  *
 598  * \param  ldifFile LDIF import control object.
 599  * \param  cache    Address cache to be populated with data.
 600  */
 601 static void ldif_read_file( LdifFile *ldifFile, AddressCache *cache ) {
 602         gchar *tagName = NULL, *tagValue = NULL;
 603         gchar *lastTag = NULL, *fullValue = NULL;
 604         GSList *listValue = NULL;
 605         gboolean flagEOF = FALSE, flagEOR = FALSE;
 606         gboolean flag64 = FALSE, last64 = FALSE;
 607         Ldif_ParsedRec *rec;
 608         long posEnd = 0L;
 609         long posCur = 0L;
 610         GHashTable *hashField;
 611
 612         hashField = ldifFile->hashFields;
 613         rec = g_new0( Ldif_ParsedRec, 1 );
 614         ldif_clear_rec( rec );
 615
 616         /* Find EOF for progress indicator */
 617         fseek( ldifFile->file, 0L, SEEK_END );
 618         posEnd = ftell( ldifFile->file );
 619         fseek( ldifFile->file, 0L, SEEK_SET );
 620
 621         while( ! flagEOF ) {
 622                 gchar *line =  ldif_get_line( ldifFile );
 623
 624                 posCur = ftell( ldifFile->file );
 625                 if( ldifFile->cbProgress ) {
 626                         /* Call progress indicator */
 627                         ( ldifFile->cbProgress ) ( ldifFile, & posEnd, & posCur );
 628                 }
 629
 630                 flag64 = FALSE;
 631                 if( line == NULL ) {
 632                         flagEOF = flagEOR = TRUE;
 633                 }
 634                 else if( *line == '\0' ) {
 635                         flagEOR = TRUE;
 636                 }
 637
 638                 if( flagEOR ) {
 639                         /* EOR, Output address data */
 640                         if( lastTag ) {
 641                                 /* Save record */
 642                                 fullValue = mgu_list_coalesce( listValue );
 643                                 if (fullValue && last64) {
 644                                         gchar *out = g_malloc(strlen(fullValue));
 645                                         int len = 0;
 646                                         if ((len = base64_decode(out, fullValue,
 647                                                         strlen(fullValue))) >= 0) {
 648                                                 g_free(fullValue);
 649                                                 fullValue = out;
 650                                                 fullValue[len] = '\0';
 651                                         } else
 652                                                 g_free(out);
 653                                 }
 654                                 /* Base-64 encoded data */
 655                                 /*
 656                                 if( last64 ) {
 657                                         ldif_dump_b64( fullValue );
 658                                 }
 659                                 */
 660
 661                                 ldif_add_value( rec, lastTag, fullValue, hashField );
 662                                 /* ldif_print_record( rec, stdout ); */
 663                                 ldif_build_items( ldifFile, rec, cache );
 664                                 ldif_clear_rec( rec );
 665                                 g_free( lastTag );
 666                                 mgu_free_list( listValue );
 667                                 lastTag = NULL;
 668                                 listValue = NULL;
 669                                 last64 = FALSE;
 670                         }
 671                 }
 672                 if( line ) {
 673                         flagEOR = FALSE;
 674                         if( *line == ' ' ) {
 675                                 /* Continuation line */
 676                                 listValue = g_slist_append(
 677                                         listValue, g_strdup( line+1 ) );
 678                         }
 679                         else if( *line == '=' ) {
 680                                 /* Base-64 encoded continuation field */
 681                                 listValue = g_slist_append(
 682                                         listValue, g_strdup( line ) );
 683                         }
 684                         else {
 685                                 /* Parse line */
 686                                 tagName = ldif_get_tagname( line, &flag64 );
 687                                 if( tagName ) {
 688                                         tagValue = ldif_get_tagvalue( line );
 689                                         if( tagValue ) {
 690                                                 if( lastTag ) {
 691                                                         /* Save data */
 692                                                         fullValue =
 693                                                                 mgu_list_coalesce( listValue );
 694                                                         if (fullValue && last64) {
 695                                                                 gchar *out = g_malloc(strlen(fullValue));
 696                                                                 int len = 0;
 697                                                                 if ((len = base64_decode(out, fullValue,
 698                                                                                 strlen(fullValue))) >= 0) {
 699                                                                         g_free(fullValue);
 700                                                                         fullValue = out;
 701                                                                         fullValue[len] = '\0';
 702                                                                 } else
 703                                                                         g_free(out);
 704                                                         }
 705                                                         /* Base-64 encoded data */
 706                                                         /*
 707                                                         if( last64 ) {
 708                                                                 ldif_dump_b64( fullValue );
 709                                                         }
 710                                                         */
 711
 712                                                         ldif_add_value(
 713                                                                 rec, lastTag, fullValue,
 714                                                                 hashField );
 715                                                         g_free( lastTag );
 716                                                         mgu_free_list( listValue );
 717                                                         lastTag = NULL;
 718                                                         listValue = NULL;
 719                                                         last64 = FALSE;
 720                                                 }
 721
 722                                                 lastTag = g_strdup( tagName );
 723                                                 listValue = g_slist_append(
 724                                                         listValue,
 725                                                         g_strdup( tagValue ) );
 726                                                 g_free( tagValue );
 727                                                 last64 = flag64;
 728                                         }
 729                                         g_free( tagName );
 730                                 }
 731                         }
 732                 }
 733                 g_free( line );
 734         }
 735
 736         /* Release data */
 737         ldif_clear_rec( rec );
 738         g_free( rec );
 739         g_free( lastTag );
 740         mgu_free_list( listValue );
 741 }
 742
 743 /**
 744  * Add list of field names to hash table.
 745  * \param table Hashtable.
 746  * \param list  List of fields.
 747  */
 748 static void ldif_hash_add_list( GHashTable *table, GSList *list ) {
 749         GSList *node = list;
 750
 751         /* mgu_print_list( list, stdout ); */
 752         while( node ) {
 753                 gchar *tag = node->data;
 754                 if( ! g_hash_table_lookup( table, tag ) ) {
 755                         Ldif_FieldRec *rec = NULL;
 756                         gchar *key = g_strdup( tag );
 757
 758                         rec = ldif_create_fieldrec( tag );
 759                         if( g_utf8_collate( tag, LDIF_TAG_DN ) == 0 ) {
 760                                 rec->reserved = rec->selected = TRUE;
 761                                 rec->userName = g_strdup( "dn" );
 762                         }
 763                         else if( g_utf8_collate( tag, LDIF_TAG_COMMONNAME ) == 0 ) {
 764                                 rec->reserved = rec->selected = TRUE;
 765                                 rec->userName = g_strdup( _( "Display Name" ) );
 766                         }
 767                         else if( g_utf8_collate( tag, LDIF_TAG_FIRSTNAME ) == 0 ) {
 768                                 rec->reserved = rec->selected = TRUE;
 769                                 rec->userName = g_strdup( _( "First Name" ) );
 770                         }
 771                         else if( g_utf8_collate( tag, LDIF_TAG_LASTNAME ) == 0 ) {
 772                                 rec->reserved = rec->selected = TRUE;
 773                                 rec->userName = g_strdup( _( "Last Name" ) );
 774                         }
 775                         else if( g_utf8_collate( tag, LDIF_TAG_NICKNAME ) == 0 ) {
 776                                 rec->reserved = rec->selected = TRUE;
 777                                 rec->userName = g_strdup( _( "Nick Name" ) );
 778                         }
 779                         else if( g_utf8_collate( tag, LDIF_TAG_EMAIL ) == 0 ) {
 780                                 rec->reserved = rec->selected = TRUE;
 781                                 rec->userName = g_strdup( _( "Email Address" ) );
 782                         }
 783                         g_hash_table_insert( table, key, rec );
 784                 }
 785                 node = g_slist_next( node );
 786         }
 787 }
 788
 789 /**
 790  * Sorted list comparison function.
 791  * \param  ptr1 First field.
 792  * \param  ptr2 Second field.
 793  * \return <code>-1, 0, +1</code> if first record less than, equal,
 794  *         greater than second.
 795  */
 796 static gint ldif_field_compare( gconstpointer ptr1, gconstpointer ptr2 ) {
 797         const Ldif_FieldRec *rec1 = ptr1;
 798         const Ldif_FieldRec *rec2 = ptr2;
 799
 800         if( rec1->reserved ) {
 801                 if( ! rec2->reserved ) {
 802                         return +1;
 803                 }
 804         }
 805         else {
 806                 if( rec2->reserved ) {
 807                         return -1;
 808                 }
 809         }
 810         return g_utf8_collate( rec1->tagName, rec2->tagName );
 811 }
 812
 813 /*
 814  * Append hash table entry to list - visitor function.
 815  * \param key   Key.
 816  * \param value Data value.
 817  * \param data  User data (the LDIF import control object).
 818  */
 819 static void ldif_hash2list_vis( gpointer key, gpointer value, gpointer data ) {
 820         LdifFile *ldf = data;
 821         ldf->tempList =
 822                 g_list_insert_sorted( ldf->tempList, value, ldif_field_compare );
 823 }
 824
 825 /**
 826  * Read tag names for file data.
 827  * \param  ldifFile LDIF import control object.
 828  */
 829 static void ldif_read_tag_list( LdifFile *ldifFile ) {
 830         gchar *tagName = NULL;
 831         GSList *listTags = NULL;
 832         gboolean flagEOF = FALSE, flagEOR = FALSE, flagMail = FALSE;
 833         gboolean flag64 = FALSE;
 834         long posEnd = 0L;
 835         long posCur = 0L;
 836
 837         /* Clear hash table */
 838         g_hash_table_foreach_remove(
 839                 ldifFile->hashFields, ldif_hash_free_vis, NULL );
 840
 841         /* Find EOF for progress indicator */
 842         fseek( ldifFile->file, 0L, SEEK_END );
 843         posEnd = ftell( ldifFile->file );
 844         fseek( ldifFile->file, 0L, SEEK_SET );
 845
 846         if (posEnd == 0) {
 847                 ldifFile->retVal = MGU_EOF;
 848                 return;
 849         }
 850
 851         /* Process file */
 852         while( ! flagEOF ) {
 853                 gchar *line = ldif_get_line( ldifFile );
 854                 posCur = ftell( ldifFile->file );
 855                 if( ldifFile->cbProgress ) {
 856                         /* Call progress indicator */
 857                         ( ldifFile->cbProgress ) ( ldifFile, & posEnd, & posCur );
 858                 }
 859
 860                 flag64 = FALSE;
 861                 if( line == NULL ) {
 862                         flagEOF = flagEOR = TRUE;
 863                 }
 864                 else if( *line == '\0' ) {
 865                         flagEOR = TRUE;
 866                 }
 867
 868                 if( flagEOR ) {
 869                         /* EOR, Output address data */
 870                         /* Save field list to hash table */
 871                         if( flagMail ) {
 872                                 ldif_hash_add_list(
 873                                         ldifFile->hashFields, listTags );
 874                         }
 875                         mgu_free_list( listTags );
 876                         listTags = NULL;
 877                         flagMail = FALSE;
 878                 }
 879                 if( line ) {
 880                         flagEOR = FALSE;
 881                         if( *line == ' ' ) {
 882                                 /* Continuation line */
 883                         }
 884                         else if( *line == '=' ) {
 885                                 /* Base-64 encoded continuation field */
 886                         }
 887                         else {
 888                                 /* Parse line */
 889                                 tagName = ldif_get_tagname( line, &flag64 );
 890                                 if( tagName ) {
 891                                         /* Add tag to list */
 892                                         listTags = g_slist_append( listTags, tagName );
 893
 894                                         if( g_utf8_collate(
 895                                                 tagName, LDIF_TAG_EMAIL ) == 0 )
 896                                         {
 897                                                 flagMail = TRUE;
 898                                         }
 899                                 } else {
 900                                         g_strstrip(line);
 901                                         if (*line != '\0') {
 902                                                 debug_print("ldif: bad format: '%s'\n", line);
 903                                                 ldifFile->retVal = MGU_BAD_FORMAT;
 904                                         }
 905                                 }
 906                         }
 907                 }
 908                 g_free( line );
 909         }
 910
 911         /* Release data */
 912         mgu_free_list( listTags );
 913         listTags = NULL;
 914 }
 915
 916 /**
 917  * Read file into list. Main entry point
 918  * \param  ldifFile LDIF import control object.
 919  * \param  cache    Address cache to load.
 920  * \return Status code.
 921  */
 922 gint ldif_import_data( LdifFile *ldifFile, AddressCache *cache ) {
 923         g_return_val_if_fail( ldifFile != NULL, MGU_BAD_ARGS );
 924         ldifFile->retVal = MGU_SUCCESS;
 925         addrcache_clear( cache );
 926         cache->dataRead = FALSE;
 927         ldif_open_file( ldifFile );
 928         if( ldifFile->retVal == MGU_SUCCESS ) {
 929                 /* Read data into the cache */
 930                 ldif_read_file( ldifFile, cache );
 931                 ldif_close_file( ldifFile );
 932
 933                 /* Mark cache */
 934                 cache->modified = FALSE;
 935                 cache->dataRead = TRUE;
 936         }
 937         return ldifFile->retVal;
 938 }
 939
 940 /**
 941  * Process entire file reading list of unique fields. List of fields may be
 942  * accessed with the <code>ldif_get_fieldlist()</code> function.
 943  * \param  ldifFile LDIF import control object.
 944  * \return Status code.
 945  */
 946 gint ldif_read_tags( LdifFile *ldifFile ) {
 947         g_return_val_if_fail( ldifFile != NULL, MGU_BAD_ARGS );
 948         ldifFile->retVal = MGU_SUCCESS;
 949         if( ldifFile->dirtyFlag ) {
 950                 ldif_open_file( ldifFile );
 951                 if( ldifFile->retVal == MGU_SUCCESS ) {
 952                         /* Read data into the cache */
 953                         ldif_read_tag_list( ldifFile );
 954                         ldif_close_file( ldifFile );
 955                         ldifFile->dirtyFlag = FALSE;
 956                         ldifFile->accessFlag = TRUE;
 957                 }
 958         }
 959         return ldifFile->retVal;
 960 }
 961
 962 /**
 963  * Return list of fields for LDIF file.
 964  * \param  ldifFile LDIF import control object.
 965  * \return Linked list of <code>Ldif_FieldRec</code> objects. This list may be
 966  *         <code>g_free()</code>. Note that the objects in the list should not
 967  *         be freed since they refer to objects inside the internal cache.
 968  *         These objects will be freed when LDIF file object is freed.
 969  */
 970 GList *ldif_get_fieldlist( LdifFile *ldifFile ) {
 971         GList *list = NULL;
 972
 973         g_return_val_if_fail( ldifFile != NULL, NULL );
 974         if( ldifFile->hashFields ) {
 975                 ldifFile->tempList = NULL;
 976                 g_hash_table_foreach( ldifFile->hashFields, ldif_hash2list_vis, ldifFile );
 977                 list = ldifFile->tempList;
 978                 ldifFile->tempList = NULL;
 979         }
 980         return list;
 981 }
 982
 983 /**
 984  * Output LDIF name-value pair to stream. Only non-empty names and values will
 985  * be output to file.
 986  * \param stream File output stream.
 987  * \param name   Name.
 988  * \param value  Data value.
 989  * \return <i>TRUE</i> if data output.
 990  */
 991 gboolean ldif_write_value( FILE *stream, const gchar *name, const gchar *value ) {
 992         if( name == NULL ) return FALSE;
 993         if( value == NULL ) return FALSE;
 994         if( strlen( name ) < 1 ) return FALSE;
 995         if( strlen( value ) < 1 ) return FALSE;
 996         fprintf( stream, "%s: ", name );
 997         fprintf( stream, "%s\n", value );
 998         return TRUE;
 999 }
1000
1001 /**
1002  * Output LDIF End of Record to stream.
1003  * \param stream File output stream.
1004  * \return <i>TRUE</i> if data output.
1005  */
1006 void ldif_write_eor( FILE *stream ) {
1007         /* Simple but caller should not need to know how to end record. */
1008         fprintf( stream, "\n" );
1009 }
1010
1011 /*
1012  * ============================================================================
1013  * End of Source.
1014  * ============================================================================
1015  */
1016