src/ldapctrl.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 2003-2007 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 for LDAP control data.
  22  */
  23
  24 #ifdef HAVE_CONFIG_H
  25 #  include "config.h"
  26 #endif
  27
  28 #ifdef USE_LDAP
  29
  30 #include <glib.h>
  31 #include <sys/time.h>
  32 #include <string.h>
  33
  34 #include "ldapctrl.h"
  35 #include "mgutils.h"
  36 #include "editaddress_other_attributes_ldap.h"
  37 #include "common/utils.h"
  38
  39 /**
  40  * Create new LDAP control block object.
  41  * \return Initialized control object.
  42  */
  43 LdapControl *ldapctl_create( void ) {
  44         LdapControl *ctl;
  45
  46         ctl = g_new0( LdapControl, 1 );
  47         ctl->hostName = NULL;
  48         ctl->port = LDAPCTL_DFL_PORT;
  49         ctl->baseDN = NULL;
  50         ctl->bindDN = NULL;
  51         ctl->bindPass = NULL;
  52         ctl->listCriteria = NULL;
  53         ctl->attribEMail = g_strdup( LDAPCTL_ATTR_EMAIL );
  54         ctl->attribCName = g_strdup( LDAPCTL_ATTR_COMMONNAME );
  55         ctl->attribFName = g_strdup( LDAPCTL_ATTR_GIVENNAME );
  56         ctl->attribLName = g_strdup( LDAPCTL_ATTR_SURNAME );
  57         ctl->attribDName = g_strdup( LDAPCTL_ATTR_DISPLAYNAME );
  58         ctl->maxEntries = LDAPCTL_MAX_ENTRIES;
  59         ctl->timeOut = LDAPCTL_DFL_TIMEOUT;
  60         ctl->maxQueryAge = LDAPCTL_DFL_QUERY_AGE;
  61         ctl->matchingOption = LDAPCTL_MATCH_BEGINWITH;
  62         ctl->version = 0;
  63         ctl->enableTLS = FALSE;
  64         ctl->enableSSL = FALSE;
  65
  66         /* Mutex to protect control block */
  67         ctl->mutexCtl = g_malloc0( sizeof( pthread_mutex_t ) );
  68         pthread_mutex_init( ctl->mutexCtl, NULL );
  69
  70         return ctl;
  71 }
  72
  73 /**
  74  * Specify hostname to be used.
  75  * \param ctl   Control object to process.
  76  * \param value Host name.
  77  */
  78 void ldapctl_set_host( LdapControl* ctl, const gchar *value ) {
  79         ctl->hostName = mgu_replace_string( ctl->hostName, value );
  80
  81         if ( ctl->hostName == NULL )
  82                 return;
  83
  84         g_strstrip( ctl->hostName );
  85         debug_print("setting hostname: %s\n", ctl->hostName);
  86 }
  87
  88 /**
  89  * Specify port to be used.
  90  * \param ctl  Control object to process.
  91  * \param value Port.
  92  */
  93 void ldapctl_set_port( LdapControl* ctl, const gint value ) {
  94         if( value > 0 ) {
  95                 ctl->port = value;
  96         }
  97         else {
  98                 ctl->port = LDAPCTL_DFL_PORT;
  99         }
 100         debug_print("setting port: %d\n", ctl->port);
 101 }
 102
 103 /**
 104  * Specify base DN to be used.
 105  * \param ctl  Control object to process.
 106  * \param value Base DN.
 107  */
 108 void ldapctl_set_base_dn( LdapControl* ctl, const gchar *value ) {
 109         ctl->baseDN = mgu_replace_string( ctl->baseDN, value );
 110
 111         if ( ctl->baseDN == NULL )
 112                 return;
 113
 114         g_strstrip( ctl->baseDN );
 115         debug_print("setting baseDN: %s\n", ctl->baseDN);
 116 }
 117
 118 /**
 119  * Specify bind DN to be used.
 120  * \param ctl  Control object to process.
 121  * \param value Bind DN.
 122  */
 123 void ldapctl_set_bind_dn( LdapControl* ctl, const gchar *value ) {
 124         ctl->bindDN = mgu_replace_string( ctl->bindDN, value );
 125
 126         if ( ctl->bindDN == NULL )
 127                 return;
 128
 129         g_strstrip( ctl->bindDN );
 130         debug_print("setting bindDN: %s\n", ctl->bindDN);
 131 }
 132
 133 /**
 134  * Specify bind password to be used.
 135  * \param ctl  Control object to process.
 136  * \param value Password.
 137  */
 138 void ldapctl_set_bind_password( LdapControl* ctl, const gchar *value ) {
 139         ctl->bindPass = mgu_replace_string( ctl->bindPass, value );
 140
 141         if ( ctl->bindPass == NULL )
 142                 return;
 143
 144         g_strstrip( ctl->bindPass );
 145         debug_print("setting bindPassword");
 146 }
 147
 148 /**
 149  * Specify maximum number of entries to retrieve.
 150  * \param ctl  Control object to process.
 151  * \param value Maximum entries.
 152  */
 153 void ldapctl_set_max_entries( LdapControl* ctl, const gint value ) {
 154         if( value > 0 ) {
 155                 ctl->maxEntries = value;
 156         }
 157         else {
 158                 ctl->maxEntries = LDAPCTL_MAX_ENTRIES;
 159         }
 160         debug_print("setting maxEntries: %d\n", ctl->maxEntries);
 161 }
 162
 163 /**
 164  * Specify timeout value for LDAP operation (in seconds).
 165  * \param ctl  Control object to process.
 166  * \param value Timeout.
 167  */
 168 void ldapctl_set_timeout( LdapControl* ctl, const gint value ) {
 169         if( value > 0 ) {
 170                 ctl->timeOut = value;
 171         }
 172         else {
 173                 ctl->timeOut = LDAPCTL_DFL_TIMEOUT;
 174         }
 175         debug_print("setting timeOut: %d\n", ctl->timeOut);
 176 }
 177
 178 /**
 179  * Specify maximum age of query (in seconds) before query is retired.
 180  * \param ctl  Control object to process.
 181  * \param value Maximum age.
 182  */
 183 void ldapctl_set_max_query_age( LdapControl* ctl, const gint value ) {
 184         if( value > LDAPCTL_MAX_QUERY_AGE ) {
 185                 ctl->maxQueryAge = LDAPCTL_MAX_QUERY_AGE;
 186         }
 187         else if( value < 1 ) {
 188                 ctl->maxQueryAge = LDAPCTL_DFL_QUERY_AGE;
 189         }
 190         else {
 191                 ctl->maxQueryAge = value;
 192         }
 193         debug_print("setting maxAge: %d\n", ctl->maxQueryAge);
 194 }
 195
 196 /**
 197  * Specify matching option to be used for searches.
 198  * \param ctl   Control object to process.
 199  * \param value Matching option, as follows:
 200  * <ul>
 201  * <li><code>LDAPCTL_MATCH_BEGINWITH</code> for "begins with" search</li>
 202  * <li><code>LDAPCTL_MATCH_CONTAINS</code> for "contains" search</li>
 203  * </ul>
 204  */
 205 void ldapctl_set_matching_option( LdapControl* ctl, const gint value ) {
 206         if( value < LDAPCTL_MATCH_BEGINWITH ) {
 207                 ctl->matchingOption = LDAPCTL_MATCH_BEGINWITH;
 208         }
 209         else if( value > LDAPCTL_MATCH_CONTAINS ) {
 210                 ctl->matchingOption = LDAPCTL_MATCH_BEGINWITH;
 211         }
 212         else {
 213                 ctl->matchingOption = value;
 214         }
 215         debug_print("setting matchingOption: %d\n", ctl->matchingOption);
 216 }
 217
 218 /**
 219  * Specify TLS option.
 220  * \param ctl   Control object to process.
 221  * \param value <i>TRUE</i> to enable TLS.
 222  */
 223 void ldapctl_set_tls( LdapControl* ctl, const gboolean value ) {
 224         ctl->enableTLS = value;
 225         debug_print("setting TLS: %d\n", ctl->enableTLS);
 226 }
 227
 228 void ldapctl_set_ssl( LdapControl* ctl, const gboolean value ) {
 229         ctl->enableSSL = value;
 230         debug_print("setting SSL: %d\n", ctl->enableSSL);
 231 }
 232
 233 /**
 234  * Return search criteria list.
 235  * \param  ctl  Control data object.
 236  * \return Linked list of character strings containing LDAP attribute names to
 237  *         use for a search. This should not be modified directly. Use the
 238  *         <code>ldapctl_set_criteria_list()</code>,
 239  *         <code>ldapctl_criteria_list_clear()</code> and
 240  *         <code>ldapctl_criteria_list_add()</code> functions for this purpose.
 241  */
 242 GList *ldapctl_get_criteria_list( const LdapControl* ctl ) {
 243         g_return_val_if_fail( ctl != NULL, NULL );
 244         return ctl->listCriteria;
 245 }
 246
 247 /**
 248  * Clear list of LDAP search attributes.
 249  * \param  ctl  Control data object.
 250  */
 251 void ldapctl_criteria_list_clear( LdapControl *ctl ) {
 252         g_return_if_fail( ctl != NULL );
 253         mgu_free_dlist( ctl->listCriteria );
 254         ctl->listCriteria = NULL;
 255 }
 256
 257 /**
 258  * Add LDAP attribute to criteria list.
 259  * \param ctl  Control object to process.
 260  * \param attr Attribute name to append. If not NULL and unique, a copy will
 261  *             be appended to the list.
 262  */
 263 void ldapctl_criteria_list_add( LdapControl *ctl, gchar *attr ) {
 264         g_return_if_fail( ctl != NULL );
 265         if( attr != NULL ) {
 266                 if( mgu_list_test_unq_nc( ctl->listCriteria, attr ) ) {
 267                         debug_print("adding to criteria list: %s\n", attr);
 268                         ctl->listCriteria = g_list_append(
 269                                 ctl->listCriteria, g_strdup( attr ) );
 270                 }
 271         }
 272 }
 273
 274 /**
 275  * Clear LDAP server member variables.
 276  * \param ctl Control object to clear.
 277  */
 278 static void ldapctl_clear( LdapControl *ctl ) {
 279         g_return_if_fail( ctl != NULL );
 280
 281         debug_print("clearing ldap controller members\n");
 282         /* Free internal stuff */
 283         g_free( ctl->hostName );
 284         g_free( ctl->baseDN );
 285         g_free( ctl->bindDN );
 286         g_free( ctl->bindPass );
 287         g_free( ctl->attribEMail );
 288         g_free( ctl->attribCName );
 289         g_free( ctl->attribFName );
 290         g_free( ctl->attribLName );
 291         g_free( ctl->attribDName );
 292
 293         ldapctl_criteria_list_clear( ctl );
 294
 295         /* Clear pointers */
 296         ctl->hostName = NULL;
 297         ctl->port = 0;
 298         ctl->baseDN = NULL;
 299         ctl->bindDN = NULL;
 300         ctl->bindPass = NULL;
 301         ctl->attribEMail = NULL;
 302         ctl->attribCName = NULL;
 303         ctl->attribFName = NULL;
 304         ctl->attribLName = NULL;
 305         ctl->attribDName = NULL;
 306         ctl->maxEntries = 0;
 307         ctl->timeOut = 0;
 308         ctl->maxQueryAge = 0;
 309         ctl->matchingOption = LDAPCTL_MATCH_BEGINWITH;
 310         ctl->version = 0;
 311         ctl->enableTLS = FALSE;
 312         ctl->enableSSL = FALSE;
 313 }
 314
 315 /**
 316  * Free up LDAP server interface object by releasing internal memory.
 317  * \param ctl Control object to free.
 318  */
 319 void ldapctl_free( LdapControl *ctl ) {
 320         g_return_if_fail( ctl != NULL );
 321
 322         debug_print("releasing requested memory for ldap controller\n");
 323         /* Free internal stuff */
 324         ldapctl_clear( ctl );
 325
 326         /* Free the mutex */
 327         pthread_mutex_destroy( ctl->mutexCtl );
 328         g_free( ctl->mutexCtl );
 329         ctl->mutexCtl = NULL;
 330
 331         /* Now release LDAP control object */
 332         g_free( ctl );
 333 }
 334
 335 /**
 336  * Display object to specified stream.
 337  * \param ctl    Control object to process.
 338  * \param stream Output stream.
 339  */
 340 void ldapctl_print( const LdapControl *ctl, FILE *stream ) {
 341         g_return_if_fail( ctl != NULL );
 342
 343         pthread_mutex_lock( ctl->mutexCtl );
 344         fprintf( stream, "LdapControl:\n" );
 345         fprintf( stream, "host name: '%s'\n", ctl->hostName?ctl->hostName:"null" );
 346         fprintf( stream, "     port: %d\n",   ctl->port );
 347         fprintf( stream, "  base dn: '%s'\n", ctl->baseDN?ctl->baseDN:"null" );
 348         fprintf( stream, "  bind dn: '%s'\n", ctl->bindDN?ctl->bindDN:"null" );
 349         fprintf( stream, "bind pass: '%s'\n", ctl->bindPass?ctl->bindPass:"null" );
 350         fprintf( stream, "attr mail: '%s'\n", ctl->attribEMail?ctl->attribEMail:"null" );
 351         fprintf( stream, "attr comn: '%s'\n", ctl->attribCName?ctl->attribCName:"null" );
 352         fprintf( stream, "attr frst: '%s'\n", ctl->attribFName?ctl->attribFName:"null" );
 353         fprintf( stream, "attr last: '%s'\n", ctl->attribLName?ctl->attribLName:"null" );
 354         fprintf( stream, "attr disn: '%s'\n", ctl->attribDName?ctl->attribDName:"null" );
 355         fprintf( stream, "max entry: %d\n",   ctl->maxEntries );
 356         fprintf( stream, "  timeout: %d\n",   ctl->timeOut );
 357         fprintf( stream, "  max age: %d\n",   ctl->maxQueryAge );
 358         fprintf( stream, "match opt: %d\n",   ctl->matchingOption );
 359         fprintf( stream, "  version: %d\n",   ctl->version );
 360         fprintf( stream, "      TLS: %s\n",   ctl->enableTLS ? "yes" : "no" );
 361         fprintf( stream, "      SSL: %s\n",   ctl->enableSSL ? "yes" : "no" );
 362         fprintf( stream, "crit list:\n" );
 363         if( ctl->listCriteria ) {
 364                 mgu_print_dlist( ctl->listCriteria, stream );
 365         }
 366         else {
 367                 fprintf( stream, "\t!!!none!!!\n" );
 368         }
 369         pthread_mutex_unlock( ctl->mutexCtl );
 370 }
 371
 372 /**
 373  * Copy member variables to specified object. Mutex lock object is
 374  * not copied.
 375  * \param ctlFrom Object to copy from.
 376  * \param ctlTo   Destination object.
 377  */
 378 void ldapctl_copy( const LdapControl *ctlFrom, LdapControl *ctlTo ) {
 379         GList *node;
 380
 381         g_return_if_fail( ctlFrom != NULL );
 382         g_return_if_fail( ctlTo != NULL );
 383
 384         debug_print("ldap controller copy\n");
 385         /* Lock both objects */
 386         pthread_mutex_lock( ctlFrom->mutexCtl );
 387         pthread_mutex_lock( ctlTo->mutexCtl );
 388
 389         /* Clear our destination */
 390         ldapctl_clear( ctlTo );
 391
 392         /* Copy strings */
 393         ctlTo->hostName = g_strdup( ctlFrom->hostName );
 394         ctlTo->baseDN = g_strdup( ctlFrom->baseDN );
 395         ctlTo->bindDN = g_strdup( ctlFrom->bindDN );
 396         ctlTo->bindPass = g_strdup( ctlFrom->bindPass );
 397         ctlTo->attribEMail = g_strdup( ctlFrom->attribEMail );
 398         ctlTo->attribCName = g_strdup( ctlFrom->attribCName );
 399         ctlTo->attribFName = g_strdup( ctlFrom->attribFName );
 400         ctlTo->attribLName = g_strdup( ctlFrom->attribLName );
 401         ctlTo->attribDName = g_strdup( ctlFrom->attribDName );
 402
 403         /* Copy search criteria */
 404         node = ctlFrom->listCriteria;
 405         while( node ) {
 406                 ctlTo->listCriteria = g_list_append(
 407                         ctlTo->listCriteria, g_strdup( node->data ) );
 408                 node = g_list_next( node );
 409         }
 410
 411         /* Copy other members */
 412         ctlTo->port = ctlFrom->port;
 413         ctlTo->maxEntries = ctlFrom->maxEntries;
 414         ctlTo->timeOut = ctlFrom->timeOut;
 415         ctlTo->maxQueryAge = ctlFrom->maxQueryAge;
 416         ctlTo->matchingOption = ctlFrom->matchingOption;
 417         ctlTo->version = ctlFrom->version;
 418         ctlTo->enableTLS = ctlFrom->enableTLS;
 419         ctlTo->enableSSL = ctlFrom->enableSSL;
 420
 421         /* Unlock */
 422         pthread_mutex_unlock( ctlTo->mutexCtl );
 423         pthread_mutex_unlock( ctlFrom->mutexCtl );
 424 }
 425
 426 /**
 427  * Search criteria fragment - two terms - begin with (default).
 428  */
 429 static gchar *_criteria2BeginWith = "(&(givenName=%s*)(sn=%s*))";
 430
 431 /**
 432  * Search criteria fragment - two terms - contains.
 433  */
 434 static gchar *_criteria2Contains  = "(&(givenName=*%s*)(sn=*%s*))";
 435
 436 /**
 437  * Create an LDAP search criteria by parsing specified search term. The search
 438  * term may contain two names separated by the first embedded space found in
 439  * the search term. It is assumed that the two tokens are first name and last
 440  * name, or vice versa. An appropriate search criteria will be constructed.
 441  *
 442  * \param  searchTerm   Reference to search term to process.
 443  * \param  matchOption  Set to the following:
 444  * <ul>
 445  * <li><code>LDAPCTL_MATCH_BEGINWITH</code> for "begins with" search</li>
 446  * <li><code>LDAPCTL_MATCH_CONTAINS</code> for "contains" search</li>
 447  * </ul>
 448  *
 449  * \return Formatted search criteria, or <code>NULL</code> if there is no
 450  *         embedded spaces. The search term should be g_free() when no
 451  *         longer required.
 452  */
 453 static gchar *ldapctl_build_ldap_criteria(
 454                 const gchar *searchTerm, const gint matchOption )
 455 {
 456         gchar *p;
 457         gchar *t1;
 458         gchar *t2 = NULL;
 459         gchar *term;
 460         gchar *crit = NULL;
 461         gchar *criteriaFmt;
 462
 463         if( matchOption == LDAPCTL_MATCH_CONTAINS ) {
 464                 criteriaFmt = _criteria2Contains;
 465         }
 466         else {
 467                 criteriaFmt = _criteria2BeginWith;
 468         }
 469
 470         term = g_strdup( searchTerm );
 471         g_strstrip( term );
 472
 473         /* Find first space character */
 474         t1 = p = term;
 475         while( *p ) {
 476                 if( *p == ' ' ) {
 477                         *p = '\0';
 478                         t2 = g_strdup( 1 + p );
 479                         break;
 480                 }
 481                 p++;
 482         }
 483
 484         if( t2 ) {
 485                 /* Format search criteria */
 486                 gchar *p1, *p2;
 487
 488                 g_strstrip( t2 );
 489                 p1 = g_strdup_printf( criteriaFmt, t1, t2 );
 490                 p2 = g_strdup_printf( criteriaFmt, t2, t1 );
 491                 crit = g_strdup_printf( "(&(|%s%s)(mail=*))", p1, p2 );
 492
 493                 g_free( t2 );
 494                 g_free( p1 );
 495                 g_free( p2 );
 496         }
 497         g_free( term );
 498         debug_print("search criteria: %s\n", crit?crit:"null");
 499         return crit;
 500 }
 501
 502
 503 /**
 504  * Search criteria fragment - single term - begin with (default).
 505  */
 506 static gchar *_criteriaBeginWith = "(%s=%s*)";
 507
 508 /**
 509  * Search criteria fragment - single term - contains.
 510  */
 511 static gchar *_criteriaContains  = "(%s=*%s*)";
 512
 513 /**
 514  * Build a formatted LDAP search criteria string from criteria list.
 515  * \param ctl  Control object to process.
 516  * \param searchVal Value to search for.
 517  * \return Formatted string. Should be g_free() when done.
 518  */
 519 gchar *ldapctl_format_criteria( LdapControl *ctl, const gchar *searchVal ) {
 520         GList *node;
 521         gchar *p1, *p2, *retVal;
 522         gchar *criteriaFmt;
 523
 524         g_return_val_if_fail( ctl != NULL, NULL );
 525         g_return_val_if_fail( searchVal != NULL, NULL );
 526
 527         /* Test whether there are more that one search terms */
 528         retVal = ldapctl_build_ldap_criteria( searchVal, ctl->matchingOption );
 529         if( retVal ) return retVal;
 530
 531         if( ctl->matchingOption ==  LDAPCTL_MATCH_CONTAINS ) {
 532                 criteriaFmt = _criteriaContains;
 533         }
 534         else {
 535                 criteriaFmt = _criteriaBeginWith;
 536         }
 537
 538         /* No - just a simple search */
 539         /* p1 contains previous formatted criteria */
 540         /* p2 contains next formatted criteria */
 541         retVal = p1 = p2 = NULL;
 542         node = ctl->listCriteria;
 543         while( node ) {
 544                 gchar *attr, *tmp;
 545                 attr = node->data;
 546                 node = g_list_next( node );
 547
 548                 /* Switch pointers */
 549                 tmp = p1; p1 = p2; p2 = tmp;
 550
 551                 if( p1 ) {
 552                         /* Subsequent time through */
 553                         gchar *crit;
 554
 555                         /* Format query criteria */
 556                         crit = g_strdup_printf( criteriaFmt, attr, searchVal );
 557
 558                         /* Append to existing criteria */
 559                         g_free( p2 );
 560                         p2 = g_strdup_printf( "(|%s%s)", p1, crit );
 561
 562                         g_free( crit );
 563                 }
 564                 else {
 565                         /* First time through - Format query criteria */
 566                         p2 = g_strdup_printf( criteriaFmt, attr, searchVal );
 567                 }
 568         }
 569
 570         if( p2 == NULL ) {
 571                 /* Nothing processed - format a default attribute */
 572                 retVal = g_strdup_printf( "(%s=*)", LDAPCTL_ATTR_EMAIL );
 573         }
 574         else {
 575                 /* We have something - free up previous result */
 576                 retVal = p2;
 577                 g_free( p1 );
 578         }
 579         debug_print("current search string: %s\n", retVal);
 580         return retVal;
 581 }
 582
 583 /**
 584  * Return array of pointers to attributes for LDAP query.
 585  * \param  ctl  Control object to process.
 586  * \return NULL terminated list.
 587  */
 588 char **ldapctl_attribute_array( LdapControl *ctl ) {
 589         char **ptrArray;
 590         GList *node;
 591         gint cnt, i;
 592         g_return_val_if_fail( ctl != NULL, NULL );
 593
 594         node = ctl->listCriteria;
 595         cnt = g_list_length( ctl->listCriteria );
 596         ptrArray = g_new0( char *, 1 + cnt );
 597         i = 0;
 598         while( node ) {
 599                 ptrArray[ i++ ] = node->data;
 600                 /*debug_print("adding search attribute: %s\n", (gchar *) node->data);*/
 601                 node = g_list_next( node );
 602         }
 603         ptrArray[ i ] = NULL;
 604         return ptrArray;
 605 }
 606
 607 /**
 608  * Return array of pointers to attributes for LDAP query.
 609  * \param  ctl  Control object to process.
 610  * \return NULL terminated list.
 611  */
 612 char **ldapctl_full_attribute_array( LdapControl *ctl ) {
 613         char **ptrArray;
 614         GList *node, *def;
 615         GList *tmp = NULL;
 616         gint cnt, i;
 617         g_return_val_if_fail( ctl != NULL, NULL );
 618
 619         def = ctl->listCriteria;
 620         while (def) {
 621                 tmp = g_list_append(tmp, g_strdup(def->data));
 622                 def = def->next;
 623         }
 624
 625         def = ldapctl_get_default_criteria_list();
 626
 627         while (def) {
 628                 if( g_list_find_custom(tmp, (gpointer)def->data,
 629                                 (GCompareFunc)strcmp2) == NULL) {
 630                         tmp = g_list_append(tmp, g_strdup(def->data));
 631                 }
 632                 def = def->next;
 633         }
 634
 635         node = tmp;
 636         cnt = g_list_length( tmp );
 637         ptrArray = g_new0( char *, 1 + cnt );
 638         i = 0;
 639         while( node ) {
 640                 ptrArray[ i++ ] = node->data;
 641                 /*debug_print("adding search attribute: %s\n", (gchar *) node->data);*/
 642                 node = g_list_next( node );
 643         }
 644         ptrArray[ i ] = NULL;
 645         return ptrArray;
 646 }
 647
 648 /**
 649  * Free array of pointers allocated by ldapctl_criteria_array().
 650  * param ptrArray Array to clear.
 651  */
 652 void ldapctl_free_attribute_array( char **ptrArray ) {
 653         gint i;
 654
 655         /* Clear array to NULL's */
 656         for( i = 0; ptrArray[i] != NULL; i++ ) {
 657                 ptrArray[i] = NULL;
 658         }
 659         g_free( ptrArray );
 660 }
 661
 662 /**
 663  * Parse LDAP search string, building list of LDAP criteria attributes. This
 664  * may be used to convert an old style Sylpheed LDAP search criteria to the
 665  * new format. The old style uses a standard LDAP search string, for example:
 666  * <pre>
 667  *    (&(mail=*)(cn=%s*))
 668  * </pre>
 669  * This function extracts the two LDAP attributes <code>mail</code> and
 670  * <code>cn</code>, adding each to a list.
 671  *
 672  * \param ctl Control object to process.
 673  * \param criteria LDAP search criteria string.
 674  */
 675 void ldapctl_parse_ldap_search( LdapControl *ctl, gchar *criteria ) {
 676         gchar *ptr;
 677         gchar *pFrom;
 678         gchar *attrib;
 679         gint iLen;
 680
 681         g_return_if_fail( ctl != NULL );
 682
 683         ldapctl_criteria_list_clear( ctl );
 684         if( criteria == NULL ) return;
 685
 686         pFrom = NULL;
 687         ptr = criteria;
 688         while( *ptr ) {
 689                 if( *ptr == '(' ) {
 690                         pFrom = 1 + ptr;
 691                 }
 692                 if( *ptr == '=' ) {
 693                         if( pFrom ) {
 694                                 iLen = ptr - pFrom;
 695                                 attrib = g_strndup( pFrom, iLen );
 696                                 g_strstrip( attrib );
 697                                 ldapctl_criteria_list_add( ctl, attrib );
 698                                 g_free( attrib );
 699                         }
 700                         pFrom = NULL;
 701                 }
 702                 ptr++;
 703         }
 704 }
 705
 706 /**
 707  * Return the default LDAP search criteria string.
 708  * \return Formatted string or <i>""</i>. Should be g_free() when done.
 709  */
 710 gchar *ldapctl_get_default_criteria() {
 711         gchar *retVal = g_strdup(LDAPCTL_DFL_ATTR_LIST);
 712         const gchar **attrs = ATTRIBUTE;
 713
 714         while (*attrs) {
 715                 gchar *tmp = g_strdup_printf("%s, %s", retVal, *attrs++);
 716                 g_free(retVal);
 717                 retVal = tmp;
 718         }
 719         debug_print("default search criteria: %s\n", retVal);
 720         return retVal;
 721 }
 722
 723 /**
 724  * Return the default LDAP search criteria list.
 725  * \return GList or <i>NULL</i>.
 726  */
 727 GList *ldapctl_get_default_criteria_list() {
 728         gchar *criteria, *item;
 729         gchar **c_list, **w_list;
 730         GList *attr_list = NULL;
 731
 732         criteria = ldapctl_get_default_criteria();
 733         c_list = g_strsplit(criteria, " ", 0);
 734         g_free(criteria);
 735         criteria = NULL;
 736         w_list = c_list;
 737         while ((criteria = *w_list++) != 0) {
 738                 /* copy string elimination <,> */
 739                 if (*w_list)
 740                         item = g_strndup(criteria, strlen(criteria) - 1);
 741                 else
 742                         item = g_strdup(criteria);
 743                 debug_print("adding attribute to list: %s\n", item);
 744                 attr_list = g_list_append(attr_list, g_strdup(item));
 745                 g_free(item);
 746         }
 747         g_strfreev(c_list);
 748         return attr_list;
 749 }
 750
 751 /**
 752  * Compare to GList for equality.
 753  * \param l1 First GList
 754  * \param l2 Second GList
 755  * \Return TRUE or FALSE
 756  */
 757 gboolean ldapctl_compare_list(GList *l1, GList *l2) {
 758         gchar *first, *second;
 759         if (! l1 && ! l2)
 760                 return TRUE;
 761         if ((! l1 && l2) || (l1 && ! l2))
 762                 return FALSE;
 763         while (l1 && l2) {
 764                 first = (gchar *) l1->data;
 765                 second = (gchar *) l2->data;
 766                 /*debug_print("comparing: %s = %s\n", first, second);*/
 767                 if ( ! (first && second) || strcmp(first, second) != 0) {
 768                         return FALSE;
 769                 }
 770                 l1 = g_list_next(l1);
 771                 l2 = g_list_next(l2);
 772         }
 773         return TRUE;
 774 }
 775
 776 #endif  /* USE_LDAP */
 777
 778 /*
 779  * End of Source.
 780  */
 781