src/ldif.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 2001-2009 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->hashFields = g_hash_table_new( g_str_hash, g_str_equal );
  51         ldifFile->tempList = NULL;
  52         ldifFile->dirtyFlag = TRUE;
  53         ldifFile->accessFlag = FALSE;
  54         ldifFile->retVal = MGU_SUCCESS;
  55         ldifFile->cbProgress = NULL;
  56         ldifFile->importCount = 0;
  57         return ldifFile;
  58 }
  59
  60 /**
  61  * Specify full file specification of LDIF file.
  62  * \param ldifFile LDIF import control object.
  63  * \param value    Value of access flag.
  64  */
  65 void ldif_set_file( LdifFile *ldifFile, const gchar *value ) {
  66         cm_return_if_fail( ldifFile != NULL );
  67
  68         if( ldifFile->path ) {
  69                 if( strcmp( ldifFile->path, value ) != 0 )
  70                         ldifFile->dirtyFlag = TRUE;
  71         }
  72         else {
  73                 ldifFile->dirtyFlag = TRUE;
  74         }
  75         ldifFile->path = mgu_replace_string( ldifFile->path, value );
  76         g_strstrip( ldifFile->path );
  77         ldifFile->importCount = 0;
  78 }
  79
  80 /**
  81  * Set the file access indicator.
  82  * \param ldifFile LDIF import control object.
  83  * \param value    File specification.
  84  */
  85 void ldif_set_accessed( LdifFile *ldifFile, const gboolean value ) {
  86         cm_return_if_fail( ldifFile != NULL );
  87         ldifFile->accessFlag = value;
  88 }
  89
  90 /**
  91  * Create field record object.
  92  * \return Initialized LDIF field object.
  93  */
  94 static Ldif_FieldRec *ldif_create_fieldrec( const gchar *field ) {
  95         Ldif_FieldRec *rec = g_new0( Ldif_FieldRec, 1 );
  96         rec->tagName = g_strdup( field );
  97         rec->userName = NULL;
  98         rec->reserved = FALSE;
  99         rec->selected = FALSE;
 100         return rec;
 101 }
 102
 103 /**
 104  * Free field record object.
 105  * \param rec LDIF field object.
 106  */
 107 static void ldif_free_fieldrec( Ldif_FieldRec *rec ) {
 108         if( rec ) {
 109                 g_free( rec->tagName );
 110                 g_free( rec->userName );
 111                 rec->tagName = NULL;
 112                 rec->userName = NULL;
 113                 rec->reserved = FALSE;
 114                 rec->selected = FALSE;
 115                 g_free( rec );
 116         }
 117 }
 118
 119 /**
 120  * Set user name for field record.
 121  * \param rec   LDIF field object.
 122  * \param value User name to set. Note that reserved fields cannot be
 123  *              named.
 124  */
 125 void ldif_field_set_name( Ldif_FieldRec *rec, const gchar *value ) {
 126         cm_return_if_fail( rec != NULL );
 127
 128         if( ! rec->reserved ) {
 129                 rec->userName = mgu_replace_string( rec->userName, value );
 130                 g_strstrip( rec->userName );
 131         }
 132 }
 133
 134 /**
 135  * Specify selection for field record.
 136  * \param rec   LDIF field object.
 137  * \param value Set to <i>TRUE</i> to select field. Note that reserved
 138  *              fields cannot be unselected.
 139  */
 140 void ldif_field_set_selected( Ldif_FieldRec *rec, const gboolean value ) {
 141         cm_return_if_fail( rec != NULL );
 142
 143         if( ! rec->reserved ) {
 144                 rec->selected = value;
 145         }
 146 }
 147
 148 /**
 149  * Toggle selection for field record. Note that reserved fields cannot be
 150  * toggled.
 151  * \param rec   LDIF field object.
 152  */
 153 void ldif_field_toggle( Ldif_FieldRec *rec ) {
 154         cm_return_if_fail( rec != NULL );
 155
 156         if( ! rec->reserved ) {
 157                 rec->selected = !rec->selected;
 158         }
 159 }
 160
 161 /**
 162  * Free hash table entry visitor function.
 163  * \param  key   Key.
 164  * \param  value Value (the LDIF field record).
 165  * \param  data  User data.
 166  * \return <code>-1</code>.
 167 */
 168 static gint ldif_hash_free_vis( gpointer key, gpointer value, gpointer data ) {
 169         ldif_free_fieldrec( ( Ldif_FieldRec * ) value );
 170         value = NULL;
 171         key = NULL;
 172         return -1;
 173 }
 174
 175 /**
 176  * Free up object by releasing internal memory.
 177  * \param ldifFile LDIF import control object.
 178  */
 179 void ldif_free( LdifFile *ldifFile ) {
 180         cm_return_if_fail( ldifFile != NULL );
 181
 182         /* Close file */
 183         if( ldifFile->file ) fclose( ldifFile->file );
 184
 185         /* Free internal stuff */
 186         g_free( ldifFile->path );
 187
 188         /* Free field list */
 189         g_hash_table_foreach_remove( ldifFile->hashFields, ldif_hash_free_vis, NULL );
 190         g_hash_table_destroy( ldifFile->hashFields );
 191         ldifFile->hashFields = NULL;
 192
 193         /* Clear pointers */
 194         ldifFile->file = NULL;
 195         ldifFile->path = NULL;
 196         ldifFile->retVal = MGU_SUCCESS;
 197         ldifFile->tempList = NULL;
 198         ldifFile->dirtyFlag = FALSE;
 199         ldifFile->accessFlag = FALSE;
 200         ldifFile->cbProgress = NULL;
 201
 202         /* Now release file object */
 203         g_free( ldifFile );
 204 }
 205
 206 /**
 207  * Open file for read.
 208  * \param  ldifFile LDIF import control object.
 209  * \return <i>TRUE</i> if file opened successfully.
 210  */
 211 static gint ldif_open_file( LdifFile* ldifFile ) {
 212         /* g_print( "Opening file\n" ); */
 213         if( ldifFile->path ) {
 214                 ldifFile->file = g_fopen( ldifFile->path, "rb" );
 215                 if( ! ldifFile->file ) {
 216                         /* g_print( "can't open %s\n", ldifFile->path ); */
 217                         ldifFile->retVal = MGU_OPEN_FILE;
 218                         return ldifFile->retVal;
 219                 }
 220         }
 221         else {
 222                 /* g_print( "file not specified\n" ); */
 223                 ldifFile->retVal = MGU_NO_FILE;
 224                 return ldifFile->retVal;
 225         }
 226
 227         /* Setup a buffer area */
 228         ldifFile->retVal = MGU_SUCCESS;
 229         return ldifFile->retVal;
 230 }
 231
 232 /**
 233  * Close file.
 234  * \param  ldifFile LDIF import control object.
 235  */
 236 static void ldif_close_file( LdifFile *ldifFile ) {
 237         cm_return_if_fail( ldifFile != NULL );
 238         if( ldifFile->file ) fclose( ldifFile->file );
 239         ldifFile->file = NULL;
 240 }
 241
 242 /**
 243  * Read line of text from file.
 244  * \param  ldifFile LDIF import control object.
 245  * \return ptr to buffer where line starts.
 246  */
 247 static gchar *ldif_get_line( LdifFile *ldifFile ) {
 248         gchar *buf = g_malloc(LDIFBUFSIZE);
 249         gint ch;
 250         int i = 0;
 251         int cur_alloc = LDIFBUFSIZE;
 252
 253         if( feof( ldifFile->file ) ) {
 254                 g_free(buf);
 255                 return NULL;
 256         }
 257
 258         while( i < cur_alloc-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                 if (i == cur_alloc-1 && cur_alloc < LDIFBUFSIZE * 32) {
 276                         cur_alloc += LDIFBUFSIZE;
 277                         buf = g_realloc(buf, cur_alloc);
 278                 }
 279         }
 280         buf[i] = '\0';
 281
 282         /* Return a copy of buffer */
 283         return g_strdup( buf );
 284 }
 285
 286 /**
 287  * Parse tag name from line buffer.
 288  * \param  line Buffer.
 289  * \param  flag64 Base-64 encoder flag.
 290  * \return Buffer containing the tag name, or NULL if no delimiter char found.
 291  *         If a double delimiter (::) is found, flag64 is set.
 292  */
 293 static gchar *ldif_get_tagname( char* line, gboolean *flag64 ) {
 294         gint len = 0;
 295         gchar *tag = NULL;
 296         gchar *lptr = line;
 297         gchar *sptr = NULL;
 298
 299         while( *lptr++ ) {
 300                 /* Check for language tag */
 301                 if( *lptr == LDIF_LANG_TAG ) {
 302                         if( sptr == NULL ) sptr = lptr;
 303                 }
 304
 305                 /* Check for delimiter */
 306                 if( *lptr == LDIF_SEP_TAG ) {
 307                         if( sptr ) {
 308                                 len = sptr - line;
 309                         }
 310                         else {
 311                                 len = lptr - line;
 312                         }
 313
 314                         /* Base-64 encoding? */
 315                         if( * ++lptr == LDIF_SEP_TAG ) *flag64 = TRUE;
 316
 317                         tag = g_strndup( line, len+1 );
 318                         tag[ len ] = '\0';
 319                         return tag;
 320                 }
 321         }
 322         return tag;
 323 }
 324
 325 /**
 326  * Parse tag value from line buffer.
 327  * \param  line Buffer.
 328  * \return Buffer containing the tag value. Empty string is returned if
 329  *         no delimiter char found.
 330  */
 331 static gchar *ldif_get_tagvalue( gchar* line ) {
 332         gchar *value = NULL;
 333         gchar *start = NULL;
 334         gchar *lptr;
 335         gint len = 0;
 336
 337         for( lptr = line; *lptr; lptr++ ) {
 338                 if( *lptr == LDIF_SEP_TAG ) {
 339                         if( ! start )
 340                                 start = lptr + 1;
 341                 }
 342         }
 343         if( start ) {
 344                 if( *start == LDIF_SEP_TAG ) start++;
 345                 len = lptr - start;
 346                 value = g_strndup( start, len+1 );
 347                 g_strstrip( value );
 348         }
 349         else {
 350                 /* Ensure that we get an empty string */
 351                 value = g_strndup( "", 1 );
 352         }
 353         value[ len ] = '\0';
 354         return value;
 355 }
 356
 357 /**
 358  * Parsed address data record.
 359  */
 360 typedef struct _Ldif_ParsedRec_ Ldif_ParsedRec;
 361 struct _Ldif_ParsedRec_ {
 362         GSList *listCName;
 363         GSList *listFName;
 364         GSList *listLName;
 365         GSList *listNName;
 366         GSList *listAddress;
 367         GSList *listID;
 368         GSList *userAttr;
 369 };
 370
 371 /**
 372  * User attribute data record.
 373  */
 374 typedef struct _Ldif_UserAttr_ Ldif_UserAttr;
 375 struct _Ldif_UserAttr_ {
 376         gchar *name;
 377         gchar *value;
 378 };
 379
 380 /**
 381  * Build an address list entry and append to list of address items in the
 382  * address cache. Name is formatted as "<first-name> <last-name>".
 383  * \param ldifFile LDIF import control object.
 384  * \param rec      LDIF field object.
 385  * \param cache    Address cache to be populated with data.
 386  */
 387 static void ldif_build_items(
 388                 LdifFile *ldifFile, Ldif_ParsedRec *rec, AddressCache *cache )
 389 {
 390         GSList *nodeFirst;
 391         GSList *nodeAddress;
 392         GSList *nodeAttr;
 393         gchar *firstName = NULL, *lastName = NULL, *fullName = NULL;
 394         gchar *nickName = NULL;
 395         gint iLen = 0, iLenT = 0;
 396         ItemPerson *person;
 397         ItemEMail *email;
 398
 399         nodeAddress = rec->listAddress;
 400 //      if( nodeAddress == NULL ) return;
 401
 402         /* Find longest first name in list */
 403         nodeFirst = rec->listFName;
 404         while( nodeFirst ) {
 405                 if( firstName == NULL ) {
 406                         firstName = nodeFirst->data;
 407                         iLen = strlen( firstName );
 408                 }
 409                 else {
 410                         if( ( iLenT = strlen( nodeFirst->data ) ) > iLen ) {
 411                                 firstName = nodeFirst->data;
 412                                 iLen = iLenT;
 413                         }
 414                 }
 415                 nodeFirst = g_slist_next( nodeFirst );
 416         }
 417
 418         /* Format name */
 419         if( rec->listLName ) {
 420                 lastName = rec->listLName->data;
 421         }
 422
 423         if( firstName ) {
 424                 if( lastName ) {
 425                         fullName = g_strdup_printf(
 426                                 "%s %s", firstName, lastName );
 427                 }
 428                 else {
 429                         fullName = g_strdup_printf( "%s", firstName );
 430                 }
 431         }
 432         else {
 433                 if( lastName ) {
 434                         fullName = g_strdup_printf( "%s", lastName );
 435                 }
 436         }
 437
 438         if (!fullName || strlen(fullName) == 0) {
 439                 g_free(fullName);
 440                 fullName = NULL;
 441                 if (rec->listCName)
 442                         fullName = g_strdup(rec->listCName->data);
 443         }
 444
 445         if( fullName ) {
 446                 g_strchug( fullName ); g_strchomp( fullName );
 447         }
 448
 449         if( rec->listNName ) {
 450                 nickName = rec->listNName->data;
 451         }
 452
 453         person = addritem_create_item_person();
 454         addritem_person_set_common_name( person, fullName );
 455         addritem_person_set_first_name( person, firstName );
 456         addritem_person_set_last_name( person, lastName );
 457         addritem_person_set_nick_name( person, nickName );
 458         addrcache_id_person( cache, person );
 459         addrcache_add_person( cache, person );
 460         ++ldifFile->importCount;
 461
 462         /* Add address item */
 463         while( nodeAddress ) {
 464                 email = addritem_create_item_email();
 465                 addritem_email_set_address( email, nodeAddress->data );
 466                 addrcache_id_email( cache, email );
 467                 addrcache_person_add_email( cache, person, email );
 468                 nodeAddress = g_slist_next( nodeAddress );
 469         }
 470         g_free( fullName );
 471         fullName = firstName = lastName = NULL;
 472
 473         /* Add user attributes */
 474         nodeAttr = rec->userAttr;
 475         while( nodeAttr ) {
 476                 Ldif_UserAttr *attr = nodeAttr->data;
 477                 UserAttribute *attrib = addritem_create_attribute();
 478                 addritem_attrib_set_name( attrib, attr->name );
 479                 addritem_attrib_set_value( attrib, attr->value );
 480                 addritem_person_add_attribute( person, attrib );
 481                 nodeAttr = g_slist_next( nodeAttr );
 482         }
 483         nodeAttr = NULL;
 484 }
 485
 486 /**
 487  * Add selected field as user attribute.
 488  * \param rec       LDIF field object.
 489  * \param tagName   LDIF tag name.
 490  * \param tagValue  Data value.
 491  * \param hashField Hash table to populate.
 492  */
 493 static void ldif_add_user_attr(
 494                 Ldif_ParsedRec *rec, gchar *tagName, gchar *tagValue,
 495                 GHashTable *hashField )
 496 {
 497         Ldif_FieldRec *fld = NULL;
 498         Ldif_UserAttr *attr = NULL;
 499         gchar *name;
 500
 501         fld = g_hash_table_lookup( hashField, tagName );
 502         if( fld ) {
 503                 if( ! fld->selected ) return;
 504
 505                 name = fld->tagName;
 506                 if( fld->userName ) {
 507                         name = fld->userName;
 508                 }
 509                 attr = g_new0( Ldif_UserAttr, 1 );
 510                 attr->name = g_strdup( name );
 511                 attr->value = g_strdup( tagValue );
 512                 rec->userAttr = g_slist_append( rec->userAttr, attr );
 513         }
 514 }
 515
 516 /**
 517  * Add value to parsed data.
 518  * \param rec       LDIF field object.
 519  * \param tagName   LDIF tag name.
 520  * \param tagValue  Data value.
 521  * \param hashField Hash table to populate.
 522  */
 523 static void ldif_add_value(
 524                Ldif_ParsedRec *rec, gchar *tagName, gchar *tagValue,
 525                GHashTable *hashField )
 526 {
 527         gchar *nm, *val;
 528
 529         nm = g_strdup( tagName );
 530         g_utf8_strdown( nm, -1 );
 531         if( tagValue ) {
 532                 val = g_strdup( tagValue );
 533         }
 534         else {
 535                 val = g_strdup( "" );
 536         }
 537         g_strstrip( val );
 538
 539         if( g_utf8_collate( nm, LDIF_TAG_COMMONNAME ) == 0 ) {
 540                 rec->listCName = g_slist_append( rec->listCName, val );
 541         }
 542         else if( g_utf8_collate( nm, LDIF_TAG_FIRSTNAME ) == 0 ) {
 543                 rec->listFName = g_slist_append( rec->listFName, val );
 544         }
 545         else if( g_utf8_collate( nm, LDIF_TAG_LASTNAME ) == 0 ) {
 546                 rec->listLName = g_slist_append( rec->listLName, val );
 547         }
 548         else if( g_utf8_collate( nm, LDIF_TAG_NICKNAME ) == 0 ) {
 549                 rec->listNName = g_slist_append( rec->listNName, val );
 550         }
 551         else if( g_utf8_collate( nm, LDIF_TAG_EMAIL ) == 0 ) {
 552                 rec->listAddress = g_slist_append( rec->listAddress, val );
 553         }
 554         else {
 555                 /* Add field as user attribute */
 556                 ldif_add_user_attr( rec, tagName, tagValue, hashField );
 557         }
 558         g_free( nm );
 559 }
 560
 561 /**
 562  * Clear parsed data record.
 563  * \param rec LDIF field object.
 564  */
 565 static void ldif_clear_rec( Ldif_ParsedRec *rec ) {
 566         GSList *list;
 567
 568         /* Free up user attributes */
 569         list = rec->userAttr;
 570         while( list ) {
 571                 Ldif_UserAttr *attr = list->data;
 572                 g_free( attr->name );
 573                 g_free( attr->value );
 574                 g_free( attr );
 575                 list = g_slist_next( list );
 576         }
 577         g_slist_free( rec->userAttr );
 578
 579         g_slist_free( rec->listCName );
 580         g_slist_free( rec->listFName );
 581         g_slist_free( rec->listLName );
 582         g_slist_free( rec->listNName );
 583         g_slist_free( rec->listAddress );
 584         g_slist_free( rec->listID );
 585
 586         rec->userAttr = NULL;
 587         rec->listCName = NULL;
 588         rec->listFName = NULL;
 589         rec->listLName = NULL;
 590         rec->listNName = NULL;
 591         rec->listAddress = NULL;
 592         rec->listID = NULL;
 593 }
 594
 595 /**
 596  * Read file data into address cache.
 597  * Note that one LDIF record identifies one entity uniquely with the
 598  * distinguished name (dn) tag. Each person can have multiple E-Mail
 599  * addresses. Also, each person can have many common name (cn) tags.
 600  *
 601  * \param  ldifFile LDIF import control object.
 602  * \param  cache    Address cache to be populated with data.
 603  */
 604 static void ldif_read_file( LdifFile *ldifFile, AddressCache *cache ) {
 605         gchar *tagName = NULL, *tagValue = NULL;
 606         gchar *lastTag = NULL, *fullValue = NULL;
 607         GSList *listValue = NULL;
 608         gboolean flagEOF = FALSE, flagEOR = FALSE;
 609         gboolean flag64 = FALSE, last64 = FALSE;
 610         Ldif_ParsedRec *rec;
 611         long posEnd = 0L;
 612         long posCur = 0L;
 613         GHashTable *hashField;
 614
 615         hashField = ldifFile->hashFields;
 616         rec = g_new0( Ldif_ParsedRec, 1 );
 617         ldif_clear_rec( rec );
 618
 619         /* Find EOF for progress indicator */
 620         fseek( ldifFile->file, 0L, SEEK_END );
 621         posEnd = ftell( ldifFile->file );
 622         fseek( ldifFile->file, 0L, SEEK_SET );
 623
 624         while( ! flagEOF ) {
 625                 gchar *line =  ldif_get_line( ldifFile );
 626
 627                 posCur = ftell( ldifFile->file );
 628                 if( ldifFile->cbProgress ) {
 629                         /* Call progress indicator */
 630                         ( ldifFile->cbProgress ) ( ldifFile, & posEnd, & posCur );
 631                 }
 632
 633                 flag64 = FALSE;
 634                 if( line == NULL ) {
 635                         flagEOF = flagEOR = TRUE;
 636                 }
 637                 else if( *line == '\0' ) {
 638                         flagEOR = TRUE;
 639                 }
 640
 641                 if( flagEOR ) {
 642                         /* EOR, Output address data */
 643                         if( lastTag ) {
 644                                 /* Save record */
 645                                 fullValue = mgu_list_coalesce( listValue );
 646                                 if (fullValue && last64) {
 647                                         gchar *out = g_malloc(strlen(fullValue));
 648                                         int len = 0;
 649                                         if ((len = base64_decode(out, fullValue,
 650                                                         strlen(fullValue))) >= 0) {
 651                                                 g_free(fullValue);
 652                                                 fullValue = out;
 653                                                 fullValue[len] = '\0';
 654                                         } else
 655                                                 g_free(out);
 656                                 }
 657                                 /* Base-64 encoded data */
 658                                 /*
 659                                 if( last64 ) {
 660                                         ldif_dump_b64( fullValue );
 661                                 }
 662                                 */
 663
 664                                 ldif_add_value( rec, lastTag, fullValue, hashField );
 665                                 /* ldif_print_record( rec, stdout ); */
 666                                 ldif_build_items( ldifFile, rec, cache );
 667                                 ldif_clear_rec( rec );
 668                                 g_free( lastTag );
 669                                 mgu_free_list( listValue );
 670                                 lastTag = NULL;
 671                                 listValue = NULL;
 672                                 last64 = FALSE;
 673                         }
 674                 }
 675                 if( line ) {
 676                         flagEOR = FALSE;
 677                         if( *line == ' ' ) {
 678                                 /* Continuation line */
 679                                 listValue = g_slist_append(
 680                                         listValue, g_strdup( line+1 ) );
 681                         }
 682                         else if( *line == '=' ) {
 683                                 /* Base-64 encoded continuation field */
 684                                 listValue = g_slist_append(
 685                                         listValue, g_strdup( line ) );
 686                         }
 687                         else {
 688                                 /* Parse line */
 689                                 tagName = ldif_get_tagname( line, &flag64 );
 690                                 if( tagName ) {
 691                                         tagValue = ldif_get_tagvalue( line );
 692                                         if( tagValue ) {
 693                                                 if( lastTag ) {
 694                                                         /* Save data */
 695                                                         fullValue =
 696                                                                 mgu_list_coalesce( listValue );
 697                                                         if (fullValue && last64) {
 698                                                                 gchar *out = g_malloc(strlen(fullValue));
 699                                                                 int len = 0;
 700                                                                 if ((len = base64_decode(out, fullValue,
 701                                                                                 strlen(fullValue))) >= 0) {
 702                                                                         g_free(fullValue);
 703                                                                         fullValue = out;
 704                                                                         fullValue[len] = '\0';
 705                                                                 } else
 706                                                                         g_free(out);
 707                                                         }
 708                                                         /* Base-64 encoded data */
 709                                                         /*
 710                                                         if( last64 ) {
 711                                                                 ldif_dump_b64( fullValue );
 712                                                         }
 713                                                         */
 714
 715                                                         ldif_add_value(
 716                                                                 rec, lastTag, fullValue,
 717                                                                 hashField );
 718                                                         g_free( lastTag );
 719                                                         mgu_free_list( listValue );
 720                                                         lastTag = NULL;
 721                                                         listValue = NULL;
 722                                                         last64 = FALSE;
 723                                                 }
 724
 725                                                 lastTag = g_strdup( tagName );
 726                                                 listValue = g_slist_append(
 727                                                         listValue,
 728                                                         g_strdup( tagValue ) );
 729                                                 g_free( tagValue );
 730                                                 last64 = flag64;
 731                                         }
 732                                         g_free( tagName );
 733                                 }
 734                         }
 735                 }
 736                 g_free( line );
 737         }
 738
 739         /* Release data */
 740         ldif_clear_rec( rec );
 741         g_free( rec );
 742         g_free( lastTag );
 743         mgu_free_list( listValue );
 744 }
 745
 746 /**
 747  * Add list of field names to hash table.
 748  * \param table Hashtable.
 749  * \param list  List of fields.
 750  */
 751 static void ldif_hash_add_list( GHashTable *table, GSList *list ) {
 752         GSList *node = list;
 753
 754         /* mgu_print_list( list, stdout ); */
 755         while( node ) {
 756                 gchar *tag = node->data;
 757                 if( ! g_hash_table_lookup( table, tag ) ) {
 758                         Ldif_FieldRec *rec = NULL;
 759                         gchar *key = g_strdup( tag );
 760
 761                         rec = ldif_create_fieldrec( tag );
 762                         if( g_utf8_collate( tag, LDIF_TAG_DN ) == 0 ) {
 763                                 rec->reserved = rec->selected = TRUE;
 764                                 rec->userName = g_strdup( "dn" );
 765                         }
 766                         else if( g_utf8_collate( tag, LDIF_TAG_COMMONNAME ) == 0 ) {
 767                                 rec->reserved = rec->selected = TRUE;
 768                                 rec->userName = g_strdup( _( "Display Name" ) );
 769                         }
 770                         else if( g_utf8_collate( tag, LDIF_TAG_FIRSTNAME ) == 0 ) {
 771                                 rec->reserved = rec->selected = TRUE;
 772                                 rec->userName = g_strdup( _( "First Name" ) );
 773                         }
 774                         else if( g_utf8_collate( tag, LDIF_TAG_LASTNAME ) == 0 ) {
 775                                 rec->reserved = rec->selected = TRUE;
 776                                 rec->userName = g_strdup( _( "Last Name" ) );
 777                         }
 778                         else if( g_utf8_collate( tag, LDIF_TAG_NICKNAME ) == 0 ) {
 779                                 rec->reserved = rec->selected = TRUE;
 780                                 rec->userName = g_strdup( _( "Nick Name" ) );
 781                         }
 782                         else if( g_utf8_collate( tag, LDIF_TAG_EMAIL ) == 0 ) {
 783                                 rec->reserved = rec->selected = TRUE;
 784                                 rec->userName = g_strdup( _( "Email Address" ) );
 785                         }
 786                         g_hash_table_insert( table, key, rec );
 787                 }
 788                 node = g_slist_next( node );
 789         }
 790 }
 791
 792 /**
 793  * Sorted list comparison function.
 794  * \param  ptr1 First field.
 795  * \param  ptr2 Second field.
 796  * \return <code>-1, 0, +1</code> if first record less than, equal,
 797  *         greater than second.
 798  */
 799 static gint ldif_field_compare( gconstpointer ptr1, gconstpointer ptr2 ) {
 800         const Ldif_FieldRec *rec1 = ptr1;
 801         const Ldif_FieldRec *rec2 = ptr2;
 802
 803         if( rec1->reserved ) {
 804                 if( ! rec2->reserved ) {
 805                         return +1;
 806                 }
 807         }
 808         else {
 809                 if( rec2->reserved ) {
 810                         return -1;
 811                 }
 812         }
 813         return g_utf8_collate( rec1->tagName, rec2->tagName );
 814 }
 815
 816 /*
 817  * Append hash table entry to list - visitor function.
 818  * \param key   Key.
 819  * \param value Data value.
 820  * \param data  User data (the LDIF import control object).
 821  */
 822 static void ldif_hash2list_vis( gpointer key, gpointer value, gpointer data ) {
 823         LdifFile *ldf = data;
 824         ldf->tempList =
 825                 g_list_insert_sorted( ldf->tempList, value, ldif_field_compare );
 826 }
 827
 828 /**
 829  * Read tag names for file data.
 830  * \param  ldifFile LDIF import control object.
 831  */
 832 static void ldif_read_tag_list( LdifFile *ldifFile ) {
 833         gchar *tagName = NULL;
 834         GSList *listTags = NULL;
 835         gboolean flagEOF = FALSE, flagEOR = FALSE, flagMail = FALSE;
 836         gboolean flag64 = FALSE;
 837         long posEnd = 0L;
 838         long posCur = 0L;
 839
 840         /* Clear hash table */
 841         g_hash_table_foreach_remove(
 842                 ldifFile->hashFields, ldif_hash_free_vis, NULL );
 843
 844         /* Find EOF for progress indicator */
 845         fseek( ldifFile->file, 0L, SEEK_END );
 846         posEnd = ftell( ldifFile->file );
 847         fseek( ldifFile->file, 0L, SEEK_SET );
 848
 849         if (posEnd == 0) {
 850                 ldifFile->retVal = MGU_EOF;
 851                 return;
 852         }
 853
 854         /* Process file */
 855         while( ! flagEOF ) {
 856                 gchar *line = ldif_get_line( ldifFile );
 857                 posCur = ftell( ldifFile->file );
 858                 if( ldifFile->cbProgress ) {
 859                         /* Call progress indicator */
 860                         ( ldifFile->cbProgress ) ( ldifFile, & posEnd, & posCur );
 861                 }
 862
 863                 flag64 = FALSE;
 864                 if( line == NULL ) {
 865                         flagEOF = flagEOR = TRUE;
 866                 }
 867                 else if( *line == '\0' ) {
 868                         flagEOR = TRUE;
 869                 }
 870
 871                 if( flagEOR ) {
 872                         /* EOR, Output address data */
 873                         /* Save field list to hash table */
 874                         if( flagMail ) {
 875                                 ldif_hash_add_list(
 876                                         ldifFile->hashFields, listTags );
 877                         }
 878                         mgu_free_list( listTags );
 879                         listTags = NULL;
 880                         flagMail = FALSE;
 881                 }
 882                 if( line ) {
 883                         flagEOR = FALSE;
 884                         if( *line == ' ' ) {
 885                                 /* Continuation line */
 886                         }
 887                         else if( *line == '=' ) {
 888                                 /* Base-64 encoded continuation field */
 889                         }
 890                         else {
 891                                 /* Parse line */
 892                                 tagName = ldif_get_tagname( line, &flag64 );
 893                                 if( tagName ) {
 894                                         /* Add tag to list */
 895                                         listTags = g_slist_append( listTags, tagName );
 896
 897                                         if( g_utf8_collate(
 898                                                 tagName, LDIF_TAG_EMAIL ) == 0 )
 899                                         {
 900                                                 flagMail = TRUE;
 901                                         }
 902                                 } else {
 903                                         g_strstrip(line);
 904                                         if (*line != '\0') {
 905                                                 debug_print("ldif: bad format: '%s'\n", line);
 906                                                 ldifFile->retVal = MGU_BAD_FORMAT;
 907                                         }
 908                                 }
 909                         }
 910                 }
 911                 g_free( line );
 912         }
 913
 914         /* Release data */
 915         mgu_free_list( listTags );
 916         listTags = NULL;
 917 }
 918
 919 /**
 920  * Read file into list. Main entry point
 921  * \param  ldifFile LDIF import control object.
 922  * \param  cache    Address cache to load.
 923  * \return Status code.
 924  */
 925 gint ldif_import_data( LdifFile *ldifFile, AddressCache *cache ) {
 926         cm_return_val_if_fail( ldifFile != NULL, MGU_BAD_ARGS );
 927         ldifFile->retVal = MGU_SUCCESS;
 928         addrcache_clear( cache );
 929         cache->dataRead = FALSE;
 930         ldif_open_file( ldifFile );
 931         if( ldifFile->retVal == MGU_SUCCESS ) {
 932                 /* Read data into the cache */
 933                 ldif_read_file( ldifFile, cache );
 934                 ldif_close_file( ldifFile );
 935
 936                 /* Mark cache */
 937                 cache->modified = FALSE;
 938                 cache->dataRead = TRUE;
 939         }
 940         return ldifFile->retVal;
 941 }
 942
 943 /**
 944  * Process entire file reading list of unique fields. List of fields may be
 945  * accessed with the <code>ldif_get_fieldlist()</code> function.
 946  * \param  ldifFile LDIF import control object.
 947  * \return Status code.
 948  */
 949 gint ldif_read_tags( LdifFile *ldifFile ) {
 950         cm_return_val_if_fail( ldifFile != NULL, MGU_BAD_ARGS );
 951         ldifFile->retVal = MGU_SUCCESS;
 952         if( ldifFile->dirtyFlag ) {
 953                 ldif_open_file( ldifFile );
 954                 if( ldifFile->retVal == MGU_SUCCESS ) {
 955                         /* Read data into the cache */
 956                         ldif_read_tag_list( ldifFile );
 957                         ldif_close_file( ldifFile );
 958                         ldifFile->dirtyFlag = FALSE;
 959                         ldifFile->accessFlag = TRUE;
 960                 }
 961         }
 962         return ldifFile->retVal;
 963 }
 964
 965 /**
 966  * Return list of fields for LDIF file.
 967  * \param  ldifFile LDIF import control object.
 968  * \return Linked list of <code>Ldif_FieldRec</code> objects. This list may be
 969  *         <code>g_free()</code>. Note that the objects in the list should not
 970  *         be freed since they refer to objects inside the internal cache.
 971  *         These objects will be freed when LDIF file object is freed.
 972  */
 973 GList *ldif_get_fieldlist( LdifFile *ldifFile ) {
 974         GList *list = NULL;
 975
 976         cm_return_val_if_fail( ldifFile != NULL, NULL );
 977         if( ldifFile->hashFields ) {
 978                 ldifFile->tempList = NULL;
 979                 g_hash_table_foreach( ldifFile->hashFields, ldif_hash2list_vis, ldifFile );
 980                 list = ldifFile->tempList;
 981                 ldifFile->tempList = NULL;
 982         }
 983         return list;
 984 }
 985
 986 /**
 987  * Output LDIF name-value pair to stream. Only non-empty names and values will
 988  * be output to file.
 989  * \param stream File output stream.
 990  * \param name   Name.
 991  * \param value  Data value.
 992  * \return <i>TRUE</i> if data output.
 993  */
 994 gboolean ldif_write_value( FILE *stream, const gchar *name, const gchar *value ) {
 995         if( name == NULL ) return FALSE;
 996         if( value == NULL ) return FALSE;
 997         if( strlen( name ) < 1 ) return FALSE;
 998         if( strlen( value ) < 1 ) return FALSE;
 999         fprintf( stream, "%s: ", name );
1000         fprintf( stream, "%s\n", value );
1001         return TRUE;
1002 }
1003
1004 /**
1005  * Output LDIF End of Record to stream.
1006  * \param stream File output stream.
1007  * \return <i>TRUE</i> if data output.
1008  */
1009 void ldif_write_eor( FILE *stream ) {
1010         /* Simple but caller should not need to know how to end record. */
1011         fprintf( stream, "\n" );
1012 }
1013
1014 /*
1015  * ============================================================================
1016  * End of Source.
1017  * ============================================================================
1018  */
1019