1 /*
2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3  * Copyright (C) 2003-2012 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 #include "claws-features.h"
27 #endif
28 
29 #ifdef USE_LDAP
30 
31 #include <glib.h>
32 #include <sys/time.h>
33 #include <string.h>
34 
35 #include "ldapctrl.h"
36 #include "mgutils.h"
37 #include "passwordstore.h"
38 #include "editaddress_other_attributes_ldap.h"
39 #include "common/utils.h"
40 #include "common/quoted-printable.h"
41 
42 /**
43  * Create new LDAP control block object.
44  * \return Initialized control object.
45  */
ldapctl_create(void)46 LdapControl *ldapctl_create( void ) {
47 	LdapControl *ctl;
48 
49 	ctl = g_new0( LdapControl, 1 );
50 	ctl->hostName = NULL;
51 	ctl->port = LDAPCTL_DFL_PORT;
52 	ctl->baseDN = NULL;
53 	ctl->bindDN = NULL;
54 	ctl->listCriteria = NULL;
55 	ctl->attribEMail = g_strdup( LDAPCTL_ATTR_EMAIL );
56 	ctl->attribCName = g_strdup( LDAPCTL_ATTR_COMMONNAME );
57 	ctl->attribFName = g_strdup( LDAPCTL_ATTR_GIVENNAME );
58 	ctl->attribLName = g_strdup( LDAPCTL_ATTR_SURNAME );
59 	ctl->attribDName = g_strdup( LDAPCTL_ATTR_DISPLAYNAME );
60 	ctl->maxEntries = LDAPCTL_MAX_ENTRIES;
61 	ctl->timeOut = LDAPCTL_DFL_TIMEOUT;
62 	ctl->maxQueryAge = LDAPCTL_DFL_QUERY_AGE;
63 	ctl->matchingOption = LDAPCTL_MATCH_BEGINWITH;
64 	ctl->version = 0;
65 	ctl->enableTLS = FALSE;
66 	ctl->enableSSL = FALSE;
67 
68 	/* Mutex to protect control block */
69 	ctl->mutexCtl = g_malloc0( sizeof( pthread_mutex_t ) );
70 	pthread_mutex_init( ctl->mutexCtl, NULL );
71 
72 	return ctl;
73 }
74 
75 /**
76  * Specify hostname to be used.
77  * \param ctl   Control object to process.
78  * \param value Host name.
79  */
ldapctl_set_host(LdapControl * ctl,const gchar * value)80 void ldapctl_set_host( LdapControl* ctl, const gchar *value ) {
81 	ctl->hostName = mgu_replace_string( ctl->hostName, value );
82 
83 	if ( ctl->hostName == NULL )
84 		return;
85 
86 	g_strstrip( ctl->hostName );
87 	debug_print("setting hostname: %s\n", ctl->hostName);
88 }
89 
90 /**
91  * Specify port to be used.
92  * \param ctl  Control object to process.
93  * \param value Port.
94  */
ldapctl_set_port(LdapControl * ctl,const gint value)95 void ldapctl_set_port( LdapControl* ctl, const gint value ) {
96 	if( value > 0 ) {
97 		ctl->port = value;
98 	}
99 	else {
100 		ctl->port = LDAPCTL_DFL_PORT;
101 	}
102 	debug_print("setting port: %d\n", ctl->port);
103 }
104 
105 /**
106  * Specify base DN to be used.
107  * \param ctl  Control object to process.
108  * \param value Base DN.
109  */
ldapctl_set_base_dn(LdapControl * ctl,const gchar * value)110 void ldapctl_set_base_dn( LdapControl* ctl, const gchar *value ) {
111 	ctl->baseDN = mgu_replace_string( ctl->baseDN, value );
112 
113 	if ( ctl->baseDN == NULL )
114 		return;
115 
116 	g_strstrip( ctl->baseDN );
117 	debug_print("setting baseDN: %s\n", ctl->baseDN);
118 }
119 
120 /**
121  * Specify bind DN to be used.
122  * \param ctl  Control object to process.
123  * \param value Bind DN.
124  */
ldapctl_set_bind_dn(LdapControl * ctl,const gchar * value)125 void ldapctl_set_bind_dn( LdapControl* ctl, const gchar *value ) {
126 	ctl->bindDN = mgu_replace_string( ctl->bindDN, value );
127 
128 	if ( ctl->bindDN == NULL )
129 		return;
130 
131 	g_strstrip( ctl->bindDN );
132 	debug_print("setting bindDN: %s\n", ctl->bindDN);
133 }
134 
135 /**
136  * Specify maximum number of entries to retrieve.
137  * \param ctl  Control object to process.
138  * \param value Maximum entries.
139  */
ldapctl_set_max_entries(LdapControl * ctl,const gint value)140 void ldapctl_set_max_entries( LdapControl* ctl, const gint value ) {
141 	if( value > 0 ) {
142 		ctl->maxEntries = value;
143 	}
144 	else {
145 		ctl->maxEntries = LDAPCTL_MAX_ENTRIES;
146 	}
147 	debug_print("setting maxEntries: %d\n", ctl->maxEntries);
148 }
149 
150 /**
151  * Specify timeout value for LDAP operation (in seconds).
152  * \param ctl  Control object to process.
153  * \param value Timeout.
154  */
ldapctl_set_timeout(LdapControl * ctl,const gint value)155 void ldapctl_set_timeout( LdapControl* ctl, const gint value ) {
156 	if( value > 0 ) {
157 		ctl->timeOut = value;
158 	}
159 	else {
160 		ctl->timeOut = LDAPCTL_DFL_TIMEOUT;
161 	}
162 	debug_print("setting timeOut: %d\n", ctl->timeOut);
163 }
164 
165 /**
166  * Specify maximum age of query (in seconds) before query is retired.
167  * \param ctl  Control object to process.
168  * \param value Maximum age.
169  */
ldapctl_set_max_query_age(LdapControl * ctl,const gint value)170 void ldapctl_set_max_query_age( LdapControl* ctl, const gint value ) {
171 	if( value > LDAPCTL_MAX_QUERY_AGE ) {
172 		ctl->maxQueryAge = LDAPCTL_MAX_QUERY_AGE;
173 	}
174 	else if( value < 1 ) {
175 		ctl->maxQueryAge = LDAPCTL_DFL_QUERY_AGE;
176 	}
177 	else {
178 		ctl->maxQueryAge = value;
179 	}
180 	debug_print("setting maxAge: %d\n", ctl->maxQueryAge);
181 }
182 
183 /**
184  * Specify matching option to be used for searches.
185  * \param ctl   Control object to process.
186  * \param value Matching option, as follows:
187  * <ul>
188  * <li><code>LDAPCTL_MATCH_BEGINWITH</code> for "begins with" search</li>
189  * <li><code>LDAPCTL_MATCH_CONTAINS</code> for "contains" search</li>
190  * </ul>
191  */
ldapctl_set_matching_option(LdapControl * ctl,const gint value)192 void ldapctl_set_matching_option( LdapControl* ctl, const gint value ) {
193 	if( value < LDAPCTL_MATCH_BEGINWITH ) {
194 		ctl->matchingOption = LDAPCTL_MATCH_BEGINWITH;
195 	}
196 	else if( value > LDAPCTL_MATCH_CONTAINS ) {
197 		ctl->matchingOption = LDAPCTL_MATCH_BEGINWITH;
198 	}
199 	else {
200 		ctl->matchingOption = value;
201 	}
202 	debug_print("setting matchingOption: %d\n", ctl->matchingOption);
203 }
204 
205 /**
206  * Specify TLS option.
207  * \param ctl   Control object to process.
208  * \param value <i>TRUE</i> to enable TLS.
209  */
ldapctl_set_tls(LdapControl * ctl,const gboolean value)210 void ldapctl_set_tls( LdapControl* ctl, const gboolean value ) {
211 #if (defined USE_LDAP_TLS || defined G_OS_WIN32)
212 	ctl->enableTLS = value;
213 	debug_print("setting STARTTLS: %d\n", ctl->enableTLS);
214 #endif
215 }
216 
ldapctl_set_ssl(LdapControl * ctl,const gboolean value)217 void ldapctl_set_ssl( LdapControl* ctl, const gboolean value ) {
218 #if (defined USE_LDAP_TLS || defined G_OS_WIN32)
219 	ctl->enableSSL = value;
220 	debug_print("setting SSL/TLS: %d\n", ctl->enableSSL);
221 #endif
222 }
223 
224 /**
225  * Return search criteria list.
226  * \param  ctl  Control data object.
227  * \return Linked list of character strings containing LDAP attribute names to
228  *         use for a search. This should not be modified directly. Use the
229  *         <code>ldapctl_set_criteria_list()</code>,
230  *         <code>ldapctl_criteria_list_clear()</code> and
231  *         <code>ldapctl_criteria_list_add()</code> functions for this purpose.
232  */
ldapctl_get_criteria_list(const LdapControl * ctl)233 GList *ldapctl_get_criteria_list( const LdapControl* ctl ) {
234 	cm_return_val_if_fail( ctl != NULL, NULL );
235 	return ctl->listCriteria;
236 }
237 
238 /**
239  * Clear list of LDAP search attributes.
240  * \param  ctl  Control data object.
241  */
ldapctl_criteria_list_clear(LdapControl * ctl)242 void ldapctl_criteria_list_clear( LdapControl *ctl ) {
243 	cm_return_if_fail( ctl != NULL );
244 	g_list_free_full( ctl->listCriteria, g_free );
245 	ctl->listCriteria = NULL;
246 }
247 
248 /**
249  * Add LDAP attribute to criteria list.
250  * \param ctl  Control object to process.
251  * \param attr Attribute name to append. If not NULL and unique, a copy will
252  *             be appended to the list.
253  */
ldapctl_criteria_list_add(LdapControl * ctl,gchar * attr)254 void ldapctl_criteria_list_add( LdapControl *ctl, gchar *attr ) {
255 	cm_return_if_fail( ctl != NULL );
256 	if( attr != NULL ) {
257 		if( !g_list_find_custom( ctl->listCriteria, attr,
258 					(GCompareFunc)g_utf8_collate ) ) {
259 			debug_print("adding to criteria list: %s\n", attr);
260 			ctl->listCriteria = g_list_append(
261 				ctl->listCriteria, g_strdup( attr ) );
262 		}
263 	}
264 }
265 
266 /**
267  * Clear LDAP server member variables.
268  * \param ctl Control object to clear.
269  */
ldapctl_clear(LdapControl * ctl)270 static void ldapctl_clear( LdapControl *ctl ) {
271 	cm_return_if_fail( ctl != NULL );
272 
273 	debug_print("clearing ldap controller members\n");
274 	/* Free internal stuff */
275 	g_free( ctl->hostName );
276 	g_free( ctl->baseDN );
277 	g_free( ctl->bindDN );
278 	g_free( ctl->attribEMail );
279 	g_free( ctl->attribCName );
280 	g_free( ctl->attribFName );
281 	g_free( ctl->attribLName );
282 	g_free( ctl->attribDName );
283 
284 	ldapctl_criteria_list_clear( ctl );
285 
286 	/* Clear pointers */
287 	ctl->hostName = NULL;
288 	ctl->port = 0;
289 	ctl->baseDN = NULL;
290 	ctl->bindDN = NULL;
291 	ctl->attribEMail = NULL;
292 	ctl->attribCName = NULL;
293 	ctl->attribFName = NULL;
294 	ctl->attribLName = NULL;
295 	ctl->attribDName = NULL;
296 	ctl->maxEntries = 0;
297 	ctl->timeOut = 0;
298 	ctl->maxQueryAge = 0;
299 	ctl->matchingOption = LDAPCTL_MATCH_BEGINWITH;
300 	ctl->version = 0;
301 	ctl->enableTLS = FALSE;
302 	ctl->enableSSL = FALSE;
303 }
304 
305 /**
306  * Free up LDAP server interface object by releasing internal memory.
307  * \param ctl Control object to free.
308  */
ldapctl_free(LdapControl * ctl)309 void ldapctl_free( LdapControl *ctl ) {
310 	cm_return_if_fail( ctl != NULL );
311 
312 	debug_print("releasing requested memory for ldap controller\n");
313 	/* Free internal stuff */
314 	ldapctl_clear( ctl );
315 
316 	/* Free the mutex */
317 	pthread_mutex_destroy( ctl->mutexCtl );
318 	g_free( ctl->mutexCtl );
319 	ctl->mutexCtl = NULL;
320 
321 	/* Now release LDAP control object */
322 	g_free( ctl );
323 }
324 
325 /**
326  * Display object to specified stream.
327  * \param ctl    Control object to process.
328  * \param stream Output stream.
329  */
ldapctl_print(const LdapControl * ctl,FILE * stream)330 void ldapctl_print( const LdapControl *ctl, FILE *stream ) {
331 	cm_return_if_fail( ctl != NULL );
332 	gchar *pwd;
333 
334 	pthread_mutex_lock( ctl->mutexCtl );
335 	fprintf( stream, "LdapControl:\n" );
336 	fprintf( stream, "host name: '%s'\n", ctl->hostName?ctl->hostName:"null" );
337 	fprintf( stream, "     port: %d\n",   ctl->port );
338 	fprintf( stream, "  base dn: '%s'\n", ctl->baseDN?ctl->baseDN:"null" );
339 	fprintf( stream, "  bind dn: '%s'\n", ctl->bindDN?ctl->bindDN:"null" );
340 	pwd = passwd_store_get(PWS_CORE, "LDAP", ctl->hostName);
341 	fprintf( stream, "bind pass: '%s'\n", pwd?pwd:"null" );
342 	if (pwd != NULL && strlen(pwd) > 0)
343 		memset(pwd, 0, strlen(pwd));
344 	g_free(pwd);
345 	fprintf( stream, "attr mail: '%s'\n", ctl->attribEMail?ctl->attribEMail:"null" );
346 	fprintf( stream, "attr comn: '%s'\n", ctl->attribCName?ctl->attribCName:"null" );
347 	fprintf( stream, "attr frst: '%s'\n", ctl->attribFName?ctl->attribFName:"null" );
348 	fprintf( stream, "attr last: '%s'\n", ctl->attribLName?ctl->attribLName:"null" );
349 	fprintf( stream, "attr disn: '%s'\n", ctl->attribDName?ctl->attribDName:"null" );
350 	fprintf( stream, "max entry: %d\n",   ctl->maxEntries );
351 	fprintf( stream, "  timeout: %d\n",   ctl->timeOut );
352 	fprintf( stream, "  max age: %d\n",   ctl->maxQueryAge );
353 	fprintf( stream, "match opt: %d\n",   ctl->matchingOption );
354 	fprintf( stream, "  version: %d\n",   ctl->version );
355 	fprintf( stream, " STARTTLS: %s\n",   ctl->enableTLS ? "yes" : "no" );
356 	fprintf( stream, "  SSL/TLS: %s\n",   ctl->enableSSL ? "yes" : "no" );
357 	fprintf( stream, "crit list:\n" );
358 	if( ctl->listCriteria ) {
359 		mgu_print_dlist( ctl->listCriteria, stream );
360 	}
361 	else {
362 		fprintf( stream, "\t!!!none!!!\n" );
363 	}
364 	pthread_mutex_unlock( ctl->mutexCtl );
365 }
366 
367 /**
368  * Copy member variables to specified object. Mutex lock object is
369  * not copied.
370  * \param ctlFrom Object to copy from.
371  * \param ctlTo   Destination object.
372  */
ldapctl_copy(const LdapControl * ctlFrom,LdapControl * ctlTo)373 void ldapctl_copy( const LdapControl *ctlFrom, LdapControl *ctlTo ) {
374 	GList *node;
375 
376 	cm_return_if_fail( ctlFrom != NULL );
377 	cm_return_if_fail( ctlTo != NULL );
378 
379 	debug_print("ldap controller copy\n");
380 	/* Lock both objects */
381 	pthread_mutex_lock( ctlFrom->mutexCtl );
382 	pthread_mutex_lock( ctlTo->mutexCtl );
383 
384 	/* Clear our destination */
385 	ldapctl_clear( ctlTo );
386 
387 	/* Copy strings */
388 	ctlTo->hostName = g_strdup( ctlFrom->hostName );
389 	ctlTo->baseDN = g_strdup( ctlFrom->baseDN );
390 	ctlTo->bindDN = g_strdup( ctlFrom->bindDN );
391 	ctlTo->attribEMail = g_strdup( ctlFrom->attribEMail );
392 	ctlTo->attribCName = g_strdup( ctlFrom->attribCName );
393 	ctlTo->attribFName = g_strdup( ctlFrom->attribFName );
394 	ctlTo->attribLName = g_strdup( ctlFrom->attribLName );
395 	ctlTo->attribDName = g_strdup( ctlFrom->attribDName );
396 
397 	/* Copy search criteria */
398 	node = ctlFrom->listCriteria;
399 	while( node ) {
400 		ctlTo->listCriteria = g_list_append(
401 			ctlTo->listCriteria, g_strdup( node->data ) );
402 		node = g_list_next( node );
403 	}
404 
405 	/* Copy other members */
406 	ctlTo->port = ctlFrom->port;
407 	ctlTo->maxEntries = ctlFrom->maxEntries;
408 	ctlTo->timeOut = ctlFrom->timeOut;
409 	ctlTo->maxQueryAge = ctlFrom->maxQueryAge;
410 	ctlTo->matchingOption = ctlFrom->matchingOption;
411 	ctlTo->version = ctlFrom->version;
412 	ctlTo->enableTLS = ctlFrom->enableTLS;
413 	ctlTo->enableSSL = ctlFrom->enableSSL;
414 
415 	/* Unlock */
416 	pthread_mutex_unlock( ctlTo->mutexCtl );
417 	pthread_mutex_unlock( ctlFrom->mutexCtl );
418 }
419 
420 /**
421  * Search criteria fragment - two terms - begin with (default).
422  */
423 static gchar *_criteria2BeginWith = "(&(givenName=%s*)(sn=%s*))";
424 
425 /**
426  * Search criteria fragment - two terms - contains.
427  */
428 static gchar *_criteria2Contains  = "(&(givenName=*%s*)(sn=*%s*))";
429 
430 /**
431  * Create an LDAP search criteria by parsing specified search term. The search
432  * term may contain two names separated by the first embedded space found in
433  * the search term. It is assumed that the two tokens are first name and last
434  * name, or vice versa. An appropriate search criteria will be constructed.
435  *
436  * \param  searchTerm   Reference to search term to process.
437  * \param  matchOption  Set to the following:
438  * <ul>
439  * <li><code>LDAPCTL_MATCH_BEGINWITH</code> for "begins with" search</li>
440  * <li><code>LDAPCTL_MATCH_CONTAINS</code> for "contains" search</li>
441  * </ul>
442  *
443  * \return Formatted search criteria, or <code>NULL</code> if there is no
444  *         embedded spaces. The search term should be g_free() when no
445  *         longer required.
446  */
ldapctl_build_ldap_criteria(const gchar * searchTerm,const gint matchOption)447 static gchar *ldapctl_build_ldap_criteria(
448 		const gchar *searchTerm, const gint matchOption )
449 {
450 	gchar *p;
451 	gchar *t1;
452 	gchar *t2 = NULL;
453 	gchar *term;
454 	gchar *crit = NULL;
455 	gchar *criteriaFmt;
456 
457 	if( matchOption == LDAPCTL_MATCH_CONTAINS ) {
458 		criteriaFmt = _criteria2Contains;
459 	}
460 	else {
461 		criteriaFmt = _criteria2BeginWith;
462 	}
463 
464 	term = g_strdup( searchTerm );
465 	g_strstrip( term );
466 
467 	/* Find first space character */
468 	t1 = p = term;
469 	while( *p ) {
470 		if( *p == ' ' ) {
471 			*p = '\0';
472 			t2 = g_strdup( 1 + p );
473 			break;
474 		}
475 		p++;
476 	}
477 
478 	if( t2 ) {
479 		/* Format search criteria */
480 		gchar *p1, *p2;
481 
482 		g_strstrip( t2 );
483 		p1 = g_strdup_printf( criteriaFmt, t1, t2 );
484 		p2 = g_strdup_printf( criteriaFmt, t2, t1 );
485 		crit = g_strdup_printf( "(&(|%s%s)(mail=*))", p1, p2 );
486 
487 		g_free( t2 );
488 		g_free( p1 );
489 		g_free( p2 );
490 	}
491 	g_free( term );
492 	debug_print("search criteria: %s\n", crit?crit:"null");
493 	return crit;
494 }
495 
496 
497 /**
498  * Search criteria fragment - single term - begin with (default).
499  */
500 static gchar *_criteriaBeginWith = "(%s=%s*)";
501 
502 /**
503  * Search criteria fragment - single term - contains.
504  */
505 static gchar *_criteriaContains  = "(%s=*%s*)";
506 
507 /**
508  * Build a formatted LDAP search criteria string from criteria list.
509  * \param ctl  Control object to process.
510  * \param searchVal Value to search for.
511  * \return Formatted string. Should be g_free() when done.
512  */
ldapctl_format_criteria(LdapControl * ctl,const gchar * searchVal)513 gchar *ldapctl_format_criteria( LdapControl *ctl, const gchar *searchVal ) {
514 	GList *node;
515 	gchar *p1, *p2, *retVal;
516 	gchar *criteriaFmt;
517 
518 	cm_return_val_if_fail( ctl != NULL, NULL );
519 	cm_return_val_if_fail( searchVal != NULL, NULL );
520 
521 	/* Test whether there are more that one search terms */
522 	retVal = ldapctl_build_ldap_criteria( searchVal, ctl->matchingOption );
523 	if( retVal ) return retVal;
524 
525 	if( ctl->matchingOption ==  LDAPCTL_MATCH_CONTAINS ) {
526 		criteriaFmt = _criteriaContains;
527 	}
528 	else {
529 		criteriaFmt = _criteriaBeginWith;
530 	}
531 
532 	/* No - just a simple search */
533 	/* p1 contains previous formatted criteria */
534 	/* p2 contains next formatted criteria */
535 	retVal = p1 = p2 = NULL;
536 	node = ctl->listCriteria;
537 	while( node ) {
538 		gchar *attr, *tmp;
539 		attr = node->data;
540 		node = g_list_next( node );
541 
542 		/* Switch pointers */
543 		tmp = p1; p1 = p2; p2 = tmp;
544 
545 		if( p1 ) {
546 			/* Subsequent time through */
547 			gchar *crit;
548 
549 			debug_print("crit: %s\n", searchVal);
550 			/* fix bug when doing a search any */
551 			if (strcmp("*@", searchVal) == 0) {
552 			    crit = g_strdup_printf( "(%s=*)", attr );
553 			}
554 			else {
555 			    /* Format query criteria */
556 			    crit = g_strdup_printf( criteriaFmt, attr, searchVal );
557 			}
558 
559 			/* Append to existing criteria */
560 			g_free( p2 );
561 			p2 = g_strdup_printf( "(|%s%s)", p1, crit );
562 
563 			g_free( crit );
564 		}
565 		else {
566 			/* First time through - Format query criteria */
567                         /* fix bug when doing a search any */
568 			if (strcmp("*@", searchVal) == 0) {
569 			    p2 = g_strdup_printf( "(%s=*)", attr );
570 			}
571 			else {
572 			    p2 = g_strdup_printf( criteriaFmt, attr, searchVal );
573 			}
574 		}
575 	}
576 
577 	if( p2 == NULL ) {
578 		/* Nothing processed - format a default attribute */
579 		retVal = g_strdup_printf( "(%s=*)", LDAPCTL_ATTR_EMAIL );
580 	}
581 	else {
582 		/* We have something - free up previous result */
583 		retVal = p2;
584 		g_free( p1 );
585 	}
586 	debug_print("current search string: %s\n", retVal);
587 	return retVal;
588 }
589 
590 /**
591  * Return array of pointers to attributes for LDAP query.
592  * \param  ctl  Control object to process.
593  * \return NULL terminated list.
594  */
ldapctl_attribute_array(LdapControl * ctl)595 char **ldapctl_attribute_array( LdapControl *ctl ) {
596 	char **ptrArray;
597 	GList *node;
598 	guint cnt, i;
599 	cm_return_val_if_fail( ctl != NULL, NULL );
600 
601 	node = ctl->listCriteria;
602 	cnt = g_list_length( ctl->listCriteria );
603 	ptrArray = g_new0( char *, 1 + cnt );
604 	i = 0;
605 	while( node ) {
606 		ptrArray[ i++ ] = node->data;
607 		/*debug_print("adding search attribute: %s\n", (gchar *) node->data);*/
608 		node = g_list_next( node );
609 	}
610 	ptrArray[ i ] = NULL;
611 	return ptrArray;
612 }
613 
614 /**
615  * Return array of pointers to attributes for LDAP query.
616  * \param  ctl  Control object to process.
617  * \return NULL terminated list.
618  */
ldapctl_full_attribute_array(LdapControl * ctl)619 char **ldapctl_full_attribute_array( LdapControl *ctl ) {
620 	char **ptrArray;
621 	GList *node, *def;
622 	GList *tmp = NULL;
623 	guint cnt, i;
624 	cm_return_val_if_fail( ctl != NULL, NULL );
625 
626 	def = ctl->listCriteria;
627 	while (def) {
628 		tmp = g_list_append(tmp, g_strdup(def->data));
629 		def = def->next;
630 	}
631 
632 	def = ldapctl_get_default_criteria_list();
633 	node = def;
634 
635 	while (node) {
636 		if( g_list_find_custom(tmp, (gpointer)def->data,
637 				(GCompareFunc)g_strcmp0) == NULL) {
638 			tmp = g_list_append(tmp, g_strdup(node->data));
639 		}
640 		node = node->next;
641 	}
642 
643 	g_list_free_full(def, g_free);
644 
645 	node = tmp;
646 	cnt = g_list_length( tmp );
647 	ptrArray = g_new0( char *, 1 + cnt);
648 	i = 0;
649 	while( node ) {
650 		ptrArray[ i++ ] = node->data;
651 		/*debug_print("adding search attribute: %s\n", (gchar *) node->data);*/
652 		node = g_list_next( node );
653 	}
654 	g_list_free(tmp);
655 	ptrArray[ i ] = NULL;
656 	return ptrArray;
657 }
658 
659 /**
660  * Free array of pointers allocated by ldapctl_criteria_array().
661  * param ptrArray Array to clear.
662  */
ldapctl_free_attribute_array(char ** ptrArray)663 void ldapctl_free_attribute_array( char **ptrArray ) {
664 	gint i;
665 
666 	/* Clear array to NULL's */
667 	for( i = 0; ptrArray[i] != NULL; i++ ) {
668 		g_free(ptrArray[i]);
669 		ptrArray[i] = NULL;
670 	}
671 	g_free( ptrArray );
672 }
673 
674 /**
675  * Parse LDAP search string, building list of LDAP criteria attributes. This
676  * may be used to convert an old style Sylpheed LDAP search criteria to the
677  * new format. The old style uses a standard LDAP search string, for example:
678  * <pre>
679  *    (&(mail=*)(cn=%s*))
680  * </pre>
681  * This function extracts the two LDAP attributes <code>mail</code> and
682  * <code>cn</code>, adding each to a list.
683  *
684  * \param ctl Control object to process.
685  * \param criteria LDAP search criteria string.
686  */
ldapctl_parse_ldap_search(LdapControl * ctl,gchar * criteria)687 void ldapctl_parse_ldap_search( LdapControl *ctl, gchar *criteria ) {
688 	gchar *ptr;
689 	gchar *pFrom;
690 	gchar *attrib;
691 	gint iLen;
692 
693 	cm_return_if_fail( ctl != NULL );
694 
695 	ldapctl_criteria_list_clear( ctl );
696   	if( criteria == NULL ) return;
697 
698 	pFrom = NULL;
699 	ptr = criteria;
700 	while( *ptr ) {
701 		if( *ptr == '(' ) {
702 			pFrom = 1 + ptr;
703 		}
704 		if( *ptr == '=' ) {
705 			if( pFrom ) {
706 				iLen = ptr - pFrom;
707 				attrib = g_strndup( pFrom, iLen );
708 				g_strstrip( attrib );
709 				ldapctl_criteria_list_add( ctl, attrib );
710 				g_free( attrib );
711 			}
712 			pFrom = NULL;
713 		}
714 		ptr++;
715 	}
716 }
717 
718 /**
719  * Return the default LDAP search criteria string.
720  * \return Formatted string or <i>""</i>. Should be g_free() when done.
721  */
ldapctl_get_default_criteria()722 gchar *ldapctl_get_default_criteria() {
723 	gchar *retVal = g_strdup(LDAPCTL_DFL_ATTR_LIST);
724 	const gchar **attrs = ATTRIBUTE;
725 
726 	while (*attrs) {
727 		gchar *tmp = g_strdup_printf("%s, %s", retVal, *attrs++);
728 		g_free(retVal);
729 		retVal = tmp;
730 	}
731 	debug_print("default search criteria: %s\n", retVal);
732 	return retVal;
733 }
734 
735 /**
736  * Return the default LDAP search criteria list.
737  * \return GList or <i>NULL</i>.
738  */
ldapctl_get_default_criteria_list()739 GList *ldapctl_get_default_criteria_list() {
740 	gchar *criteria, *item;
741 	gchar **c_list, **w_list;
742 	GList *attr_list = NULL;
743 
744 	criteria = ldapctl_get_default_criteria();
745 	c_list = g_strsplit(criteria, " ", 0);
746 	g_free(criteria);
747 	criteria = NULL;
748 	w_list = c_list;
749 	while ((criteria = *w_list++) != 0) {
750 		/* copy string elimination <,> */
751 		if (*w_list)
752 			item = g_strndup(criteria, strlen(criteria) - 1);
753 		else
754 			item = g_strdup(criteria);
755 		debug_print("adding attribute to list: %s\n", item);
756 		attr_list = g_list_append(attr_list, item);
757 	}
758 	g_strfreev(c_list);
759 	return attr_list;
760 }
761 
762 /**
763  * Compare to GList for equality.
764  * \param l1 First GList
765  * \param l2 Second GList
766  * \Return TRUE or FALSE
767  */
ldapctl_compare_list(GList * l1,GList * l2)768 gboolean ldapctl_compare_list(GList *l1, GList *l2) {
769 	gchar *first, *second;
770 	if (! l1 && ! l2)
771 		return TRUE;
772 	if ((! l1 && l2) || (l1 && ! l2))
773 		return FALSE;
774 	while (l1 && l2) {
775 		first = (gchar *) l1->data;
776 		second = (gchar *) l2->data;
777 		/*debug_print("comparing: %s = %s\n", first, second);*/
778 		if ( ! (first && second) || strcmp(first, second) != 0) {
779 			return FALSE;
780 		}
781 		l1 = g_list_next(l1);
782 		l2 = g_list_next(l2);
783 	}
784 	return TRUE;
785 }
786 
787 #endif	/* USE_LDAP */
788 
789 /*
790  * End of Source.
791  */
792 
793