3 * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
4 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
7 * Copyright (c) 1994 Regents of the University of Michigan.
17 #include <ac/stdlib.h>
18 #include <ac/socket.h>
19 #include <ac/string.h>
23 #include "ldap_schema.h"
25 /* extension to UFN that turns trailing "dc=value" rdns in DNS style,
26 * e.g. "ou=People,dc=openldap,dc=org" => "People, openldap.org" */
30 /* parsing/printing routines */
31 static int str2strval( const char *str, ber_len_t stoplen, struct berval *val,
32 const char **next, unsigned flags, unsigned *retFlags );
33 static int DCE2strval( const char *str, struct berval *val,
34 const char **next, unsigned flags );
35 static int IA52strval( const char *str, struct berval *val,
36 const char **next, unsigned flags );
37 static int quotedIA52strval( const char *str, struct berval *val,
38 const char **next, unsigned flags );
39 static int hexstr2binval( const char *str, struct berval *val,
40 const char **next, unsigned flags );
41 static int hexstr2bin( const char *str, char *c );
42 static int byte2hexpair( const char *val, char *pair );
43 static int binval2hexstr( struct berval *val, char *str );
44 static int strval2strlen( struct berval *val, unsigned flags,
46 static int strval2str( struct berval *val, char *str, unsigned flags,
48 static int strval2IA5strlen( struct berval *val, unsigned flags,
50 static int strval2IA5str( struct berval *val, char *str, unsigned flags,
52 static int strval2DCEstrlen( struct berval *val, unsigned flags,
54 static int strval2DCEstr( struct berval *val, char *str, unsigned flags,
56 static int strval2ADstrlen( struct berval *val, unsigned flags,
58 static int strval2ADstr( struct berval *val, char *str, unsigned flags,
60 static int dn2domain( LDAPDN *dn, struct berval *bv, int pos, int *iRDN );
63 static LDAPAVA * ldapava_new(
64 const struct berval *attr, const struct berval *val, unsigned flags );
66 /* Higher level helpers */
67 static int rdn2strlen( LDAPRDN *rdn, unsigned flags, ber_len_t *len,
68 int ( *s2l )( struct berval *, unsigned, ber_len_t * ) );
69 static int rdn2str( LDAPRDN *rdn, char *str, unsigned flags, ber_len_t *len,
70 int ( *s2s )( struct berval *, char *, unsigned, ber_len_t * ));
71 static int rdn2UFNstrlen( LDAPRDN *rdn, unsigned flags, ber_len_t *len );
72 static int rdn2UFNstr( LDAPRDN *rdn, char *str, unsigned flags, ber_len_t *len );
73 static int rdn2DCEstrlen( LDAPRDN *rdn, unsigned flags, ber_len_t *len );
74 static int rdn2DCEstr( LDAPRDN *rdn, char *str, unsigned flag, ber_len_t *len, int first );
75 static int rdn2ADstrlen( LDAPRDN *rdn, unsigned flags, ber_len_t *len );
76 static int rdn2ADstr( LDAPRDN *rdn, char *str, unsigned flags, ber_len_t *len, int first );
79 * RFC 1823 ldap_get_dn
82 ldap_get_dn( LDAP *ld, LDAPMessage *entry )
87 Debug( LDAP_DEBUG_TRACE, "ldap_get_dn\n", 0, 0, 0 );
89 if ( entry == NULL ) {
90 ld->ld_errno = LDAP_PARAM_ERROR;
94 tmp = *entry->lm_ber; /* struct copy */
95 if ( ber_scanf( &tmp, "{a" /*}*/, &dn ) == LBER_ERROR ) {
96 ld->ld_errno = LDAP_DECODING_ERROR;
104 * RFC 1823 ldap_dn2ufn
107 ldap_dn2ufn( LDAP_CONST char *dn )
111 Debug( LDAP_DEBUG_TRACE, "ldap_dn2ufn\n", 0, 0, 0 );
113 ( void )ldap_dn_normalize( dn, LDAP_DN_FORMAT_LDAP,
114 &out, LDAP_DN_FORMAT_UFN );
120 * RFC 1823 ldap_explode_dn
123 ldap_explode_dn( LDAP_CONST char *dn, int notypes )
126 char **values = NULL;
128 unsigned flag = notypes ? LDAP_DN_FORMAT_UFN : LDAP_DN_FORMAT_LDAPV3;
130 Debug( LDAP_DEBUG_TRACE, "ldap_explode_dn\n", 0, 0, 0 );
132 if ( ldap_str2dn( dn, &tmpDN, LDAP_DN_FORMAT_LDAP )
137 if( tmpDN == NULL ) {
138 values = LDAP_MALLOC( sizeof( char * ) );
139 if( values == NULL ) return NULL;
145 for ( iRDN = 0; tmpDN[ 0 ][ iRDN ]; iRDN++ );
147 values = LDAP_MALLOC( sizeof( char * ) * ( 1 + iRDN ) );
148 if ( values == NULL ) {
149 ldap_dnfree( tmpDN );
153 for ( iRDN = 0; tmpDN[ 0 ][ iRDN ]; iRDN++ ) {
154 ldap_rdn2str( tmpDN[ 0 ][ iRDN ], &values[ iRDN ], flag );
156 ldap_dnfree( tmpDN );
157 values[ iRDN ] = NULL;
163 ldap_explode_rdn( LDAP_CONST char *rdn, int notypes )
166 char **values = NULL;
170 Debug( LDAP_DEBUG_TRACE, "ldap_explode_rdn\n", 0, 0, 0 );
173 * we only parse the first rdn
174 * FIXME: we prefer efficiency over checking if the _ENTIRE_
177 if ( ldap_str2rdn( rdn, &tmpRDN, (char **) &p, LDAP_DN_FORMAT_LDAP )
182 for ( iAVA = 0; tmpRDN[ 0 ][ iAVA ]; iAVA++ ) ;
183 values = LDAP_MALLOC( sizeof( char * ) * ( 1 + iAVA ) );
184 if ( values == NULL ) {
185 ldap_rdnfree( tmpRDN );
189 for ( iAVA = 0; tmpRDN[ 0 ][ iAVA ]; iAVA++ ) {
190 ber_len_t l = 0, vl, al = 0;
192 LDAPAVA *ava = tmpRDN[ 0 ][ iAVA ];
194 if ( ava->la_flags == LDAP_AVA_BINARY ) {
195 vl = 1 + 2 * ava->la_value.bv_len;
198 if ( strval2strlen( &ava->la_value,
199 ava->la_flags, &vl ) ) {
205 al = ava->la_attr.bv_len;
206 l = vl + ava->la_attr.bv_len + 1;
208 str = LDAP_MALLOC( l + 1 );
209 AC_MEMCPY( str, ava->la_attr.bv_val,
210 ava->la_attr.bv_len );
215 str = LDAP_MALLOC( l + 1 );
218 if ( ava->la_flags == LDAP_AVA_BINARY ) {
220 if ( binval2hexstr( &ava->la_value, &str[ al ] ) ) {
225 if ( strval2str( &ava->la_value, &str[ al ],
226 ava->la_flags, &vl ) ) {
232 values[ iAVA ] = str;
234 values[ iAVA ] = NULL;
236 ldap_rdnfree( tmpRDN );
241 LBER_VFREE( values );
242 ldap_rdnfree( tmpRDN );
247 ldap_dn2dcedn( LDAP_CONST char *dn )
251 Debug( LDAP_DEBUG_TRACE, "ldap_dn2dcedn\n", 0, 0, 0 );
253 ( void )ldap_dn_normalize( dn, LDAP_DN_FORMAT_LDAP,
254 &out, LDAP_DN_FORMAT_DCE );
260 ldap_dcedn2dn( LDAP_CONST char *dce )
264 Debug( LDAP_DEBUG_TRACE, "ldap_dcedn2dn\n", 0, 0, 0 );
266 ( void )ldap_dn_normalize( dce, LDAP_DN_FORMAT_DCE, &out, LDAP_DN_FORMAT_LDAPV3 );
272 ldap_dn2ad_canonical( LDAP_CONST char *dn )
276 Debug( LDAP_DEBUG_TRACE, "ldap_dn2ad_canonical\n", 0, 0, 0 );
278 ( void )ldap_dn_normalize( dn, LDAP_DN_FORMAT_LDAP,
279 &out, LDAP_DN_FORMAT_AD_CANONICAL );
285 * function that changes the string representation of dnin
286 * from ( fin & LDAP_DN_FORMAT_MASK ) to ( fout & LDAP_DN_FORMAT_MASK )
289 * LDAP_DN_FORMAT_LDAP (rfc 2253 and ldapbis liberal,
290 * plus some rfc 1779)
291 * LDAP_DN_FORMAT_LDAPV3 (rfc 2253 and ldapbis)
292 * LDAP_DN_FORMAT_LDAPV2 (rfc 1779)
293 * LDAP_DN_FORMAT_DCE (?)
295 * fout can be any of the above except
296 * LDAP_DN_FORMAT_LDAP
298 * LDAP_DN_FORMAT_UFN (rfc 1781, partial and with extensions)
299 * LDAP_DN_FORMAT_AD_CANONICAL (?)
302 ldap_dn_normalize( LDAP_CONST char *dnin,
303 unsigned fin, char **dnout, unsigned fout )
306 LDAPDN *tmpDN = NULL;
308 Debug( LDAP_DEBUG_TRACE, "ldap_dn_normalize\n", 0, 0, 0 );
314 if ( dnin == NULL ) {
315 return( LDAP_SUCCESS );
318 rc = ldap_str2dn( dnin , &tmpDN, fin );
319 if ( rc != LDAP_SUCCESS ) {
323 rc = ldap_dn2str( tmpDN, dnout, fout );
325 ldap_dnfree( tmpDN );
333 /* #define B4ATTRTYPE 0x0001 */
334 #define B4OIDATTRTYPE 0x0002
335 #define B4STRINGATTRTYPE 0x0003
337 #define B4AVAEQUALS 0x0100
338 #define B4AVASEP 0x0200
339 #define B4RDNSEP 0x0300
340 #define GOTAVA 0x0400
342 #define B4ATTRVALUE 0x0010
343 #define B4STRINGVALUE 0x0020
344 #define B4IA5VALUEQUOTED 0x0030
345 #define B4IA5VALUE 0x0040
346 #define B4BINARYVALUE 0x0050
349 * Helpers (mostly from slap.h)
350 * c is assumed to Unicode in an ASCII compatible format (UTF-8)
351 * Macros assume "C" Locale (ASCII)
353 #define LDAP_DN_ASCII_SPACE(c) \
354 ( (c) == ' ' || (c) == '\t' || (c) == '\n' || (c) == '\r' )
355 #define LDAP_DN_ASCII_LOWER(c) LDAP_LOWER(c)
356 #define LDAP_DN_ASCII_UPPER(c) LDAP_UPPER(c)
357 #define LDAP_DN_ASCII_ALPHA(c) LDAP_ALPHA(c)
359 #define LDAP_DN_ASCII_DIGIT(c) LDAP_DIGIT(c)
360 #define LDAP_DN_ASCII_LCASE_HEXALPHA(c) LDAP_HEXLOWER(c)
361 #define LDAP_DN_ASCII_UCASE_HEXALPHA(c) LDAP_HEXUPPER(c)
362 #define LDAP_DN_ASCII_HEXDIGIT(c) LDAP_HEX(c)
363 #define LDAP_DN_ASCII_ALNUM(c) LDAP_ALNUM(c)
364 #define LDAP_DN_ASCII_PRINTABLE(c) ( (c) >= ' ' && (c) <= '~' )
367 #define LDAP_DN_OID_LEADCHAR(c) LDAP_DIGIT(c)
368 #define LDAP_DN_DESC_LEADCHAR(c) LDAP_ALPHA(c)
369 #define LDAP_DN_DESC_CHAR(c) LDAP_LDH(c)
370 #define LDAP_DN_LANG_SEP(c) ( (c) == ';' )
371 #define LDAP_DN_ATTRDESC_CHAR(c) \
372 ( LDAP_DN_DESC_CHAR(c) || LDAP_DN_LANG_SEP(c) )
374 /* special symbols */
375 #define LDAP_DN_AVA_EQUALS(c) ( (c) == '=' )
376 #define LDAP_DN_AVA_SEP(c) ( (c) == '+' )
377 #define LDAP_DN_RDN_SEP(c) ( (c) == ',' )
378 #define LDAP_DN_RDN_SEP_V2(c) ( LDAP_DN_RDN_SEP(c) || (c) == ';' )
379 #define LDAP_DN_OCTOTHORPE(c) ( (c) == '#' )
380 #define LDAP_DN_QUOTES(c) ( (c) == '\"' )
381 #define LDAP_DN_ESCAPE(c) ( (c) == '\\' )
382 #define LDAP_DN_VALUE_END(c) \
383 ( LDAP_DN_RDN_SEP(c) || LDAP_DN_AVA_SEP(c) )
384 #define LDAP_DN_NE(c) \
385 ( LDAP_DN_RDN_SEP_V2(c) || LDAP_DN_AVA_SEP(c) \
386 || LDAP_DN_QUOTES(c) || (c) == '<' || (c) == '>' )
387 #define LDAP_DN_MAYESCAPE(c) \
388 ( LDAP_DN_ESCAPE(c) || LDAP_DN_NE(c) \
389 || LDAP_DN_ASCII_SPACE(c) || LDAP_DN_OCTOTHORPE(c) )
390 #define LDAP_DN_NEEDESCAPE(c) \
391 ( LDAP_DN_ESCAPE(c) || LDAP_DN_NE(c) )
392 #define LDAP_DN_NEEDESCAPE_LEAD(c) LDAP_DN_MAYESCAPE(c)
393 #define LDAP_DN_NEEDESCAPE_TRAIL(c) \
394 ( LDAP_DN_ASCII_SPACE(c) || LDAP_DN_NEEDESCAPE(c) )
395 #define LDAP_DN_WILLESCAPE_CHAR(c) \
396 ( LDAP_DN_RDN_SEP(c) || LDAP_DN_AVA_SEP(c) || LDAP_DN_ESCAPE(c) )
397 #define LDAP_DN_IS_PRETTY(f) ( (f) & LDAP_DN_PRETTY )
398 #define LDAP_DN_WILLESCAPE_HEX(f, c) \
399 ( ( !LDAP_DN_IS_PRETTY( f ) ) && LDAP_DN_WILLESCAPE_CHAR(c) )
402 #define LDAP_DN_VALUE_END_V2(c) \
403 ( LDAP_DN_RDN_SEP_V2(c) || LDAP_DN_AVA_SEP(c) )
405 #define LDAP_DN_V2_SPECIAL(c) \
406 ( LDAP_DN_RDN_SEP_V2(c) || LDAP_DN_AVA_EQUALS(c) \
407 || LDAP_DN_AVA_SEP(c) || (c) == '<' || (c) == '>' \
408 || LDAP_DN_OCTOTHORPE(c) )
409 #define LDAP_DN_V2_PAIR(c) \
410 ( LDAP_DN_V2_SPECIAL(c) || LDAP_DN_ESCAPE(c) || LDAP_DN_QUOTES(c) )
413 * DCE (mostly from Luke Howard and IBM implementation for AIX)
415 * From: "Application Development Guide - Directory Services" (FIXME: add link?)
416 * Here escapes and valid chars for GDS are considered; as soon as more
417 * specific info is found, the macros will be updated.
419 * Chars: 'a'-'z', 'A'-'Z', '0'-'9',
420 * '.', ':', ',', ''', '+', '-', '=', '(', ')', '?', '/', ' '.
422 * Metachars: '/', ',', '=', '\'.
424 * the '\' is used to escape other metachars.
430 * Attribute types must start with alphabetic chars and can contain
431 * alphabetic chars and digits (FIXME: no '-'?). OIDs are allowed.
433 #define LDAP_DN_RDN_SEP_DCE(c) ( (c) == '/' )
434 #define LDAP_DN_AVA_SEP_DCE(c) ( (c) == ',' )
435 #define LDAP_DN_ESCAPE_DCE(c) ( LDAP_DN_ESCAPE(c) )
436 #define LDAP_DN_VALUE_END_DCE(c) \
437 ( LDAP_DN_RDN_SEP_DCE(c) || LDAP_DN_AVA_SEP_DCE(c) )
438 #define LDAP_DN_NEEDESCAPE_DCE(c) \
439 ( LDAP_DN_VALUE_END_DCE(c) || LDAP_DN_AVA_EQUALS(c) )
442 #define LDAP_DN_RDN_SEP_AD(c) ( (c) == '/' )
443 #define LDAP_DN_ESCAPE_AD(c) ( LDAP_DN_ESCAPE(c) )
444 #define LDAP_DN_AVA_SEP_AD(c) ( (c) == ',' ) /* assume same as DCE */
445 #define LDAP_DN_VALUE_END_AD(c) \
446 ( LDAP_DN_RDN_SEP_AD(c) || LDAP_DN_AVA_SEP_AD(c) )
447 #define LDAP_DN_NEEDESCAPE_AD(c) \
448 ( LDAP_DN_VALUE_END_AD(c) || LDAP_DN_AVA_EQUALS(c) )
451 #define LDAP_DN_HEXPAIR(s) \
452 ( LDAP_DN_ASCII_HEXDIGIT((s)[0]) && LDAP_DN_ASCII_HEXDIGIT((s)[1]) )
453 /* better look at the AttributeDescription? */
455 /* FIXME: no composite rdn or non-"dc" types, right?
456 * (what about "dc" in OID form?) */
457 /* FIXME: we do not allow binary values in domain, right? */
458 /* NOTE: use this macro only when ABSOLUTELY SURE rdn IS VALID! */
459 /* NOTE: don't use strcasecmp() as it is locale specific! */
460 #define LDAP_DC_ATTR "dc"
461 #define LDAP_DC_ATTRU "DC"
462 #define LDAP_DN_IS_RDN_DC( r ) \
463 ( (r) && (r)[0][0] && !(r)[0][1] \
464 && ((r)[0][0]->la_flags == LDAP_AVA_STRING) \
465 && ((r)[0][0]->la_attr.bv_len == 2) \
466 && (((r)[0][0]->la_attr.bv_val[0] == LDAP_DC_ATTR[0]) \
467 || ((r)[0][0]->la_attr.bv_val[0] == LDAP_DC_ATTRU[0])) \
468 && (((r)[0][0]->la_attr.bv_val[1] == LDAP_DC_ATTR[1]) \
469 || ((r)[0][0]->la_attr.bv_val[1] == LDAP_DC_ATTRU[1])))
471 /* Composite rules */
472 #define LDAP_DN_ALLOW_ONE_SPACE(f) \
473 ( LDAP_DN_LDAPV2(f) \
474 || !( (f) & LDAP_DN_P_NOSPACEAFTERRDN ) )
475 #define LDAP_DN_ALLOW_SPACES(f) \
476 ( LDAP_DN_LDAPV2(f) \
477 || !( (f) & ( LDAP_DN_P_NOLEADTRAILSPACES | LDAP_DN_P_NOSPACEAFTERRDN ) ) )
478 #define LDAP_DN_LDAP(f) \
479 ( ( (f) & LDAP_DN_FORMAT_MASK ) == LDAP_DN_FORMAT_LDAP )
480 #define LDAP_DN_LDAPV3(f) \
481 ( ( (f) & LDAP_DN_FORMAT_MASK ) == LDAP_DN_FORMAT_LDAPV3 )
482 #define LDAP_DN_LDAPV2(f) \
483 ( ( (f) & LDAP_DN_FORMAT_MASK ) == LDAP_DN_FORMAT_LDAPV2 )
484 #define LDAP_DN_DCE(f) \
485 ( ( (f) & LDAP_DN_FORMAT_MASK ) == LDAP_DN_FORMAT_DCE )
486 #define LDAP_DN_UFN(f) \
487 ( ( (f) & LDAP_DN_FORMAT_MASK ) == LDAP_DN_FORMAT_UFN )
488 #define LDAP_DN_ADC(f) \
489 ( ( (f) & LDAP_DN_FORMAT_MASK ) == LDAP_DN_FORMAT_AD_CANONICAL )
490 #define LDAP_DN_FORMAT(f) ( (f) & LDAP_DN_FORMAT_MASK )
493 * LDAPAVA helpers (will become part of the API for operations
494 * on structural representations of DNs).
497 ldapava_new( const struct berval *attr, const struct berval *val,
505 ava = LDAP_MALLOC( sizeof( LDAPAVA ) + attr->bv_len + 1 );
507 /* should we test it? */
512 ava->la_attr.bv_len = attr->bv_len;
513 ava->la_attr.bv_val = (char *)(ava+1);
514 AC_MEMCPY( ava->la_attr.bv_val, attr->bv_val, attr->bv_len );
515 ava->la_attr.bv_val[attr->bv_len] = '\0';
517 ava->la_value = *val;
518 ava->la_flags = flags;
520 ava->la_private = NULL;
526 ldap_avafree( LDAPAVA *ava )
531 /* ava's private must be freed by caller
532 * (at present let's skip this check because la_private
533 * basically holds static data) */
534 assert( ava->la_private == NULL );
538 /* la_attr is now contiguous with ava, not freed separately */
539 LDAP_FREE( ava->la_attr.bv_val );
541 LDAP_FREE( ava->la_value.bv_val );
547 ldap_rdnfree( LDAPRDN *rdn )
555 for ( iAVA = 0; rdn[ 0 ][ iAVA ]; iAVA++ ) {
556 ldap_avafree( rdn[ 0 ][ iAVA ] );
563 ldap_dnfree( LDAPDN *dn )
571 for ( iRDN = 0; dn[ 0 ][ iRDN ]; iRDN++ ) {
572 ldap_rdnfree( dn[ 0 ][ iRDN ] );
579 * Converts a string representation of a DN (in LDAPv3, LDAPv2 or DCE)
580 * into a structural representation of the DN, by separating attribute
581 * types and values encoded in the more appropriate form, which is
582 * string or OID for attribute types and binary form of the BER encoded
583 * value or Unicode string. Formats different from LDAPv3 are parsed
584 * according to their own rules and turned into the more appropriate
585 * form according to LDAPv3.
587 * NOTE: I realize the code is getting spaghettish; it is rather
588 * experimental and will hopefully turn into something more simple
589 * and readable as soon as it works as expected.
593 * Default sizes of AVA and RDN static working arrays; if required
594 * the are dynamically resized. The values can be tuned in case
595 * of special requirements (e.g. very deep DN trees or high number
598 #define TMP_AVA_SLOTS 8
599 #define TMP_RDN_SLOTS 32
602 ldap_str2dn( LDAP_CONST char *str, LDAPDN **dn, unsigned flags )
604 struct berval bv = { 0, (char *)str };
608 bv.bv_len = strlen( str );
610 return ldap_bv2dn( &bv, dn, flags );
614 ldap_bv2dn( struct berval *bv, LDAPDN **dn, unsigned flags )
617 int rc = LDAP_DECODING_ERROR;
620 LDAPDN *newDN = NULL;
621 LDAPRDN *newRDN = NULL, *tmpDN_[TMP_RDN_SLOTS], **tmpDN = tmpDN_;
622 int num_slots = TMP_RDN_SLOTS;
623 char *str = bv->bv_val;
624 char *end = str + bv->bv_len;
627 assert( bv->bv_val );
630 Debug( LDAP_DEBUG_TRACE, "=> ldap_bv2dn(%s,%u)\n%s", str, flags, "" );
634 switch ( LDAP_DN_FORMAT( flags ) ) {
635 case LDAP_DN_FORMAT_LDAP:
636 case LDAP_DN_FORMAT_LDAPV3:
637 case LDAP_DN_FORMAT_LDAPV2:
638 case LDAP_DN_FORMAT_DCE:
641 /* unsupported in str2dn */
642 case LDAP_DN_FORMAT_UFN:
643 case LDAP_DN_FORMAT_AD_CANONICAL:
644 return LDAP_PARAM_ERROR;
646 case LDAP_DN_FORMAT_LBER:
648 return LDAP_PARAM_ERROR;
651 if ( bv->bv_len == 0 ) {
655 if( memchr( bv->bv_val, '\0', bv->bv_len ) != NULL ) {
656 /* value must have embedded NULs */
657 return LDAP_DECODING_ERROR;
661 if ( LDAP_DN_DCE( flags ) ) {
664 * (from Luke Howard: thnx) A RDN separator is required
665 * at the beginning of an (absolute) DN.
667 if ( !LDAP_DN_RDN_SEP_DCE( p[ 0 ] ) ) {
673 * actually we do not want to accept by default the DCE form,
674 * we do not want to auto-detect it
677 } else if ( LDAP_DN_LDAP( flags ) ) {
679 * if dn starts with '/' let's make it a DCE dn
681 if ( LDAP_DN_RDN_SEP_DCE( p[ 0 ] ) ) {
682 flags |= LDAP_DN_FORMAT_DCE;
688 for ( ; p < end; p++ ) {
690 struct berval tmpbv = { bv->bv_len - ( p - str ), (char *)p };
692 err = ldap_bv2rdn( &tmpbv, &newRDN, (char **) &p, flags );
693 if ( err != LDAP_SUCCESS ) {
698 * We expect a rdn separator
700 if ( p < end && p[ 0 ] ) {
701 switch ( LDAP_DN_FORMAT( flags ) ) {
702 case LDAP_DN_FORMAT_LDAPV3:
703 if ( !LDAP_DN_RDN_SEP( p[ 0 ] ) ) {
704 rc = LDAP_DECODING_ERROR;
709 case LDAP_DN_FORMAT_LDAP:
710 case LDAP_DN_FORMAT_LDAPV2:
711 if ( !LDAP_DN_RDN_SEP_V2( p[ 0 ] ) ) {
712 rc = LDAP_DECODING_ERROR;
717 case LDAP_DN_FORMAT_DCE:
718 if ( !LDAP_DN_RDN_SEP_DCE( p[ 0 ] ) ) {
719 rc = LDAP_DECODING_ERROR;
727 tmpDN[nrdns++] = newRDN;
731 * make the static RDN array dynamically rescalable
733 if ( nrdns == num_slots ) {
736 if ( tmpDN == tmpDN_ ) {
737 tmp = LDAP_MALLOC( num_slots * 2 * sizeof( LDAPRDN * ) );
742 AC_MEMCPY( tmp, tmpDN, num_slots * sizeof( LDAPRDN * ) );
745 tmp = LDAP_REALLOC( tmpDN, num_slots * 2 * sizeof( LDAPRDN * ) );
756 if ( p >= end || p[ 0 ] == '\0' ) {
758 * the DN is over, phew
760 newDN = (LDAPDN *)LDAP_MALLOC( sizeof(LDAPDN) +
761 sizeof(LDAPRDN *) * (nrdns+1));
762 if ( newDN == NULL ) {
768 newDN[0] = (LDAPRDN **)(newDN+1);
770 if ( LDAP_DN_DCE( flags ) ) {
771 /* add in reversed order */
772 for ( i=0; i<nrdns; i++ )
773 newDN[0][i] = tmpDN[nrdns-1-i];
775 for ( i=0; i<nrdns; i++ )
776 newDN[0][i] = tmpDN[i];
778 newDN[0][nrdns] = NULL;
787 ldap_rdnfree( newRDN );
790 for ( nrdns-- ;nrdns >= 0; nrdns-- ) {
791 ldap_rdnfree( tmpDN[nrdns] );
796 if ( tmpDN != tmpDN_ ) {
800 Debug( LDAP_DEBUG_TRACE, "<= ldap_bv2dn(%s,%u)=%d\n", str, flags, rc );
809 * Parses a relative DN according to flags up to a rdn separator
810 * or to the end of str.
811 * Returns the rdn and a pointer to the string continuation, which
812 * corresponds to the rdn separator or to '\0' in case the string is over.
815 ldap_str2rdn( LDAP_CONST char *str, LDAPRDN **rdn,
816 char **n_in, unsigned flags )
818 struct berval bv = { 0, (char *)str };
821 assert( str[ 0 ] != '\0' ); /* FIXME: is this required? */
823 bv.bv_len = strlen( str );
825 return ldap_bv2rdn( &bv, rdn, n_in, flags );
829 ldap_bv2rdn( struct berval *bv, LDAPRDN **rdn,
830 char **n_in, unsigned flags )
832 const char **n = (const char **) n_in;
836 int rc = LDAP_DECODING_ERROR;
837 int attrTypeEncoding = LDAP_AVA_STRING,
838 attrValueEncoding = LDAP_AVA_STRING;
840 struct berval attrType = { 0, NULL };
841 struct berval attrValue = { 0, NULL };
843 LDAPRDN *newRDN = NULL;
844 LDAPAVA *tmpRDN_[TMP_AVA_SLOTS], **tmpRDN = tmpRDN_;
845 int num_slots = TMP_AVA_SLOTS;
851 assert( bv->bv_len );
852 assert( bv->bv_val );
853 assert( rdn || flags & LDAP_DN_SKIP );
857 stoplen = bv->bv_len;
864 switch ( LDAP_DN_FORMAT( flags ) ) {
865 case LDAP_DN_FORMAT_LDAP:
866 case LDAP_DN_FORMAT_LDAPV3:
867 case LDAP_DN_FORMAT_LDAPV2:
868 case LDAP_DN_FORMAT_DCE:
871 /* unsupported in str2dn */
872 case LDAP_DN_FORMAT_UFN:
873 case LDAP_DN_FORMAT_AD_CANONICAL:
874 return LDAP_PARAM_ERROR;
876 case LDAP_DN_FORMAT_LBER:
878 return LDAP_PARAM_ERROR;
881 if ( bv->bv_len == 0 ) {
886 if( memchr( bv->bv_val, '\0', bv->bv_len ) != NULL ) {
887 /* value must have embedded NULs */
888 return LDAP_DECODING_ERROR;
892 for ( ; p[ 0 ] || state == GOTAVA; ) {
895 * The parser in principle advances one token a time,
896 * or toggles state if preferable.
901 * an AttributeType can be encoded as:
902 * - its string representation; in detail, implementations
903 * MUST recognize AttributeType string type names listed
904 * in section 2.3 of draft-ietf-ldapbis-dn-XX.txt, and
905 * MAY recognize other names.
906 * - its numeric OID (a dotted decimal string); in detail
907 * RFC 2253 asserts that ``Implementations MUST allow
908 * an oid in the attribute type to be prefixed by one
909 * of the character strings "oid." or "OID."''. As soon
910 * as draft-ietf-ldapbis-dn-XX.txt obsoletes RFC 2253
911 * I'm not sure whether this is required or not any
912 * longer; to be liberal, we still implement it.
915 if ( LDAP_DN_ASCII_SPACE( p[ 0 ] ) ) {
916 if ( !LDAP_DN_ALLOW_ONE_SPACE( flags ) ) {
923 if ( LDAP_DN_ASCII_SPACE( p[ 0 ] ) ) {
924 if ( !LDAP_DN_ALLOW_SPACES( flags ) ) {
929 /* whitespace is allowed (and trimmed) */
931 while ( p[ 0 ] && LDAP_DN_ASCII_SPACE( p[ 0 ] ) ) {
936 /* error: we expected an AVA */
942 if ( LDAP_DN_OID_LEADCHAR( p[ 0 ] ) ) {
943 state = B4OIDATTRTYPE;
947 /* else must be alpha */
948 if ( !LDAP_DN_DESC_LEADCHAR( p[ 0 ] ) ) {
952 /* LDAPv2 "oid." prefix */
953 if ( LDAP_DN_LDAPV2( flags ) ) {
955 * to be overly pedantic, we only accept
958 if ( flags & LDAP_DN_PEDANTIC ) {
959 if ( !strncmp( p, "OID.", 4 )
960 || !strncmp( p, "oid.", 4 ) ) {
962 state = B4OIDATTRTYPE;
966 if ( !strncasecmp( p, "oid.", 4 ) ) {
968 state = B4OIDATTRTYPE;
974 state = B4STRINGATTRTYPE;
977 case B4OIDATTRTYPE: {
978 int err = LDAP_SUCCESS;
980 attrType.bv_val = ldap_int_parse_numericoid( &p, &err,
983 if ( err != LDAP_SUCCESS ) {
986 attrType.bv_len = p - attrType.bv_val;
988 attrTypeEncoding = LDAP_AVA_BINARY;
994 case B4STRINGATTRTYPE: {
995 const char *startPos, *endPos = NULL;
999 * the starting char has been found to be
1000 * a LDAP_DN_DESC_LEADCHAR so we don't re-check it
1001 * FIXME: DCE attr types seem to have a more
1002 * restrictive syntax (no '-' ...)
1004 for ( startPos = p++; p[ 0 ]; p++ ) {
1005 if ( LDAP_DN_DESC_CHAR( p[ 0 ] ) ) {
1009 if ( LDAP_DN_LANG_SEP( p[ 0 ] ) ) {
1012 * RFC 2253 does not explicitly
1013 * allow lang extensions to attribute
1016 if ( flags & LDAP_DN_PEDANTIC ) {
1021 * we trim ';' and following lang
1022 * and so from attribute types
1025 for ( ; LDAP_DN_ATTRDESC_CHAR( p[ 0 ] )
1026 || LDAP_DN_LANG_SEP( p[ 0 ] ); p++ ) {
1034 len = ( endPos ? endPos : p ) - startPos;
1039 attrTypeEncoding = LDAP_AVA_STRING;
1042 * here we need to decide whether to use it as is
1043 * or turn it in OID form; as a consequence, we
1044 * need to decide whether to binary encode the value
1047 state = B4AVAEQUALS;
1049 if ( flags & LDAP_DN_SKIP ) {
1053 attrType.bv_val = (char *)startPos;
1054 attrType.bv_len = len;
1060 /* spaces may not be allowed */
1061 if ( LDAP_DN_ASCII_SPACE( p[ 0 ] ) ) {
1062 if ( !LDAP_DN_ALLOW_SPACES( flags ) ) {
1067 for ( p++; LDAP_DN_ASCII_SPACE( p[ 0 ] ); p++ ) {
1072 /* need equal sign */
1073 if ( !LDAP_DN_AVA_EQUALS( p[ 0 ] ) ) {
1078 /* spaces may not be allowed */
1079 if ( LDAP_DN_ASCII_SPACE( p[ 0 ] ) ) {
1080 if ( !LDAP_DN_ALLOW_SPACES( flags ) ) {
1085 for ( p++; LDAP_DN_ASCII_SPACE( p[ 0 ] ); p++ ) {
1091 * octothorpe means a BER encoded value will follow
1092 * FIXME: I don't think DCE will allow it
1094 if ( LDAP_DN_OCTOTHORPE( p[ 0 ] ) ) {
1096 attrValueEncoding = LDAP_AVA_BINARY;
1097 state = B4BINARYVALUE;
1101 /* STRING value expected */
1104 * if we're pedantic, an attribute type in OID form
1105 * SHOULD imply a BER encoded attribute value; we
1106 * should at least issue a warning
1108 if ( ( flags & LDAP_DN_PEDANTIC )
1109 && ( attrTypeEncoding == LDAP_AVA_BINARY ) ) {
1110 /* OID attrType SHOULD use binary encoding */
1114 attrValueEncoding = LDAP_AVA_STRING;
1117 * LDAPv2 allows the attribute value to be quoted;
1118 * also, IA5 values are expected, in principle
1120 if ( LDAP_DN_LDAPV2( flags ) || LDAP_DN_LDAP( flags ) ) {
1121 if ( LDAP_DN_QUOTES( p[ 0 ] ) ) {
1123 state = B4IA5VALUEQUOTED;
1127 if ( LDAP_DN_LDAPV2( flags ) ) {
1134 * here STRING means RFC 2253 string
1135 * FIXME: what about DCE strings?
1141 state = B4STRINGVALUE;
1146 if ( hexstr2binval( p, &attrValue, &p, flags ) ) {
1154 switch ( LDAP_DN_FORMAT( flags ) ) {
1155 case LDAP_DN_FORMAT_LDAP:
1156 case LDAP_DN_FORMAT_LDAPV3:
1157 if ( str2strval( p, stoplen - ( p - str ),
1158 &attrValue, &p, flags,
1159 &attrValueEncoding ) ) {
1164 case LDAP_DN_FORMAT_DCE:
1165 if ( DCE2strval( p, &attrValue, &p, flags ) ) {
1178 if ( IA52strval( p, &attrValue, &p, flags ) ) {
1185 case B4IA5VALUEQUOTED:
1187 /* lead quote already stripped */
1188 if ( quotedIA52strval( p, &attrValue,
1199 if ( !( flags & LDAP_DN_SKIP ) ) {
1203 * we accept empty values
1205 ava = ldapava_new( &attrType, &attrValue,
1206 attrValueEncoding );
1208 if ( ava == NULL ) {
1209 rc = LDAP_NO_MEMORY;
1212 tmpRDN[navas++] = ava;
1214 attrValue.bv_val = NULL;
1215 attrValue.bv_len = 0;
1218 * prepare room for new AVAs if needed
1220 if (navas == num_slots) {
1223 if ( tmpRDN == tmpRDN_ ) {
1224 tmp = LDAP_MALLOC( num_slots * 2 * sizeof( LDAPAVA * ) );
1225 if ( tmp == NULL ) {
1226 rc = LDAP_NO_MEMORY;
1229 AC_MEMCPY( tmp, tmpRDN, num_slots * sizeof( LDAPAVA * ) );
1232 tmp = LDAP_REALLOC( tmpRDN, num_slots * 2 * sizeof( LDAPAVA * ) );
1233 if ( tmp == NULL ) {
1234 rc = LDAP_NO_MEMORY;
1245 * if we got an AVA separator ('+', or ',' for DCE )
1246 * we expect a new AVA for this RDN; otherwise
1247 * we add the RDN to the DN
1249 switch ( LDAP_DN_FORMAT( flags ) ) {
1250 case LDAP_DN_FORMAT_LDAP:
1251 case LDAP_DN_FORMAT_LDAPV3:
1252 case LDAP_DN_FORMAT_LDAPV2:
1253 if ( !LDAP_DN_AVA_SEP( p[ 0 ] ) ) {
1258 case LDAP_DN_FORMAT_DCE:
1259 if ( !LDAP_DN_AVA_SEP_DCE( p[ 0 ] ) ) {
1267 * the RDN is over, phew
1270 if ( !( flags & LDAP_DN_SKIP ) ) {
1271 newRDN = (LDAPRDN *)LDAP_MALLOC( sizeof(LDAPRDN)
1272 + sizeof(LDAPAVA *) * (navas+1) );
1273 if ( newRDN == NULL ) {
1274 rc = LDAP_NO_MEMORY;
1279 newRDN[0] = (LDAPAVA**)(newRDN+1);
1281 for (i=0; i<navas; i++)
1282 newRDN[0][i] = tmpRDN[i];
1283 newRDN[0][i] = NULL;
1291 /* they should have been used in an AVA */
1292 attrType.bv_val = NULL;
1293 attrValue.bv_val = NULL;
1308 /* They are set to NULL after they're used in an AVA */
1310 if ( attrValue.bv_val ) {
1311 free( attrValue.bv_val );
1314 for ( navas-- ; navas >= 0; navas-- ) {
1315 ldap_avafree( tmpRDN[navas] );
1320 if ( tmpRDN != tmpRDN_ ) {
1321 LDAP_FREE( tmpRDN );
1332 * reads in a UTF-8 string value, unescaping stuff:
1333 * '\' + LDAP_DN_NEEDESCAPE(c) -> 'c'
1334 * '\' + HEXPAIR(p) -> unhex(p)
1337 str2strval( const char *str, ber_len_t stoplen, struct berval *val, const char **next, unsigned flags, unsigned *retFlags )
1339 const char *p, *end, *startPos, *endPos = NULL;
1340 ber_len_t len, escapes;
1347 end = str + stoplen;
1348 for ( startPos = p = str, escapes = 0; p < end; p++ ) {
1349 if ( LDAP_DN_ESCAPE( p[ 0 ] ) ) {
1351 if ( p[ 0 ] == '\0' ) {
1354 if ( LDAP_DN_MAYESCAPE( p[ 0 ] ) ) {
1359 if ( LDAP_DN_HEXPAIR( p ) ) {
1362 hexstr2bin( p, &c );
1365 if ( !LDAP_DN_ASCII_PRINTABLE( c ) ) {
1368 * we assume the string is UTF-8
1370 *retFlags = LDAP_AVA_NONPRINTABLE;
1377 if ( LDAP_DN_PEDANTIC & flags ) {
1381 * we do not allow escaping
1382 * of chars that don't need
1383 * to and do not belong to
1388 } else if (!LDAP_DN_ASCII_PRINTABLE( p[ 0 ] ) ) {
1389 *retFlags = LDAP_AVA_NONPRINTABLE;
1391 } else if ( ( LDAP_DN_LDAP( flags ) && LDAP_DN_VALUE_END_V2( p[ 0 ] ) )
1392 || ( LDAP_DN_LDAPV3( flags ) && LDAP_DN_VALUE_END( p[ 0 ] ) ) ) {
1395 } else if ( LDAP_DN_NEEDESCAPE( p[ 0 ] ) ) {
1397 * FIXME: maybe we can add
1398 * escapes if not pedantic?
1405 * we do allow unescaped spaces at the end
1406 * of the value only in non-pedantic mode
1408 if ( p > startPos + 1 && LDAP_DN_ASCII_SPACE( p[ -1 ] ) &&
1409 !LDAP_DN_ESCAPE( p[ -2 ] ) ) {
1410 if ( flags & LDAP_DN_PEDANTIC ) {
1414 /* strip trailing (unescaped) spaces */
1415 for ( endPos = p - 1;
1416 endPos > startPos + 1 &&
1417 LDAP_DN_ASCII_SPACE( endPos[ -1 ] ) &&
1418 !LDAP_DN_ESCAPE( endPos[ -2 ] );
1425 if ( flags & LDAP_DN_SKIP ) {
1430 * FIXME: test memory?
1432 len = ( endPos ? endPos : p ) - startPos - escapes;
1435 if ( escapes == 0 ) {
1436 if ( *retFlags == LDAP_AVA_NONPRINTABLE ) {
1437 val->bv_val = LDAP_MALLOC( len + 1 );
1438 AC_MEMCPY( val->bv_val, startPos, len );
1439 val->bv_val[ len ] = '\0';
1441 val->bv_val = LDAP_STRNDUP( startPos, len );
1447 val->bv_val = LDAP_MALLOC( len + 1 );
1448 for ( s = 0, d = 0; d < len; ) {
1449 if ( LDAP_DN_ESCAPE( startPos[ s ] ) ) {
1451 if ( LDAP_DN_MAYESCAPE( startPos[ s ] ) ) {
1452 val->bv_val[ d++ ] =
1455 } else if ( LDAP_DN_HEXPAIR( &startPos[ s ] ) ) {
1458 hexstr2bin( &startPos[ s ], &c );
1459 val->bv_val[ d++ ] = c;
1463 /* we should never get here */
1468 val->bv_val[ d++ ] = startPos[ s++ ];
1472 val->bv_val[ d ] = '\0';
1480 DCE2strval( const char *str, struct berval *val, const char **next, unsigned flags )
1482 const char *p, *startPos, *endPos = NULL;
1483 ber_len_t len, escapes;
1491 for ( startPos = p = str, escapes = 0; p[ 0 ]; p++ ) {
1492 if ( LDAP_DN_ESCAPE_DCE( p[ 0 ] ) ) {
1494 if ( LDAP_DN_NEEDESCAPE_DCE( p[ 0 ] ) ) {
1501 } else if ( LDAP_DN_VALUE_END_DCE( p[ 0 ] ) ) {
1506 * FIXME: can we accept anything else? I guess we need
1507 * to stop if a value is not legal
1512 * (unescaped) trailing spaces are trimmed must be silently ignored;
1515 if ( p > startPos + 1 && LDAP_DN_ASCII_SPACE( p[ -1 ] ) &&
1516 !LDAP_DN_ESCAPE( p[ -2 ] ) ) {
1517 if ( flags & LDAP_DN_PEDANTIC ) {
1521 /* strip trailing (unescaped) spaces */
1522 for ( endPos = p - 1;
1523 endPos > startPos + 1 &&
1524 LDAP_DN_ASCII_SPACE( endPos[ -1 ] ) &&
1525 !LDAP_DN_ESCAPE( endPos[ -2 ] );
1532 if ( flags & LDAP_DN_SKIP ) {
1536 len = ( endPos ? endPos : p ) - startPos - escapes;
1538 if ( escapes == 0 ){
1539 val->bv_val = LDAP_STRNDUP( startPos, len );
1544 val->bv_val = LDAP_MALLOC( len + 1 );
1545 for ( s = 0, d = 0; d < len; ) {
1547 * This point is reached only if escapes
1548 * are properly used, so all we need to
1551 if ( LDAP_DN_ESCAPE_DCE( startPos[ s ] ) ) {
1555 val->bv_val[ d++ ] = startPos[ s++ ];
1557 val->bv_val[ d ] = '\0';
1558 assert( strlen( val->bv_val ) == len );
1565 IA52strval( const char *str, struct berval *val, const char **next, unsigned flags )
1567 const char *p, *startPos, *endPos = NULL;
1568 ber_len_t len, escapes;
1580 for ( startPos = p = str, escapes = 0; p[ 0 ]; p++ ) {
1581 if ( LDAP_DN_ESCAPE( p[ 0 ] ) ) {
1583 if ( p[ 0 ] == '\0' ) {
1587 if ( !LDAP_DN_NEEDESCAPE( p[ 0 ] )
1588 && ( LDAP_DN_PEDANTIC & flags ) ) {
1593 } else if ( LDAP_DN_VALUE_END_V2( p[ 0 ] ) ) {
1598 * FIXME: can we accept anything else? I guess we need
1599 * to stop if a value is not legal
1603 /* strip trailing (unescaped) spaces */
1605 endPos > startPos + 1 &&
1606 LDAP_DN_ASCII_SPACE( endPos[ -1 ] ) &&
1607 !LDAP_DN_ESCAPE( endPos[ -2 ] );
1613 if ( flags & LDAP_DN_SKIP ) {
1617 len = ( endPos ? endPos : p ) - startPos - escapes;
1619 if ( escapes == 0 ) {
1620 val->bv_val = LDAP_STRNDUP( startPos, len );
1625 val->bv_val = LDAP_MALLOC( len + 1 );
1626 for ( s = 0, d = 0; d < len; ) {
1627 if ( LDAP_DN_ESCAPE( startPos[ s ] ) ) {
1630 val->bv_val[ d++ ] = startPos[ s++ ];
1632 val->bv_val[ d ] = '\0';
1633 assert( strlen( val->bv_val ) == len );
1640 quotedIA52strval( const char *str, struct berval *val, const char **next, unsigned flags )
1642 const char *p, *startPos, *endPos = NULL;
1644 unsigned escapes = 0;
1652 /* initial quote already eaten */
1653 for ( startPos = p = str; p[ 0 ]; p++ ) {
1655 * According to RFC 1779, the quoted value can
1656 * contain escaped as well as unescaped special values;
1657 * as a consequence we tolerate escaped values
1658 * (e.g. '"\,"' -> '\,') and escape unescaped specials
1659 * (e.g. '","' -> '\,').
1661 if ( LDAP_DN_ESCAPE( p[ 0 ] ) ) {
1662 if ( p[ 1 ] == '\0' ) {
1667 if ( !LDAP_DN_V2_PAIR( p[ 0 ] )
1668 && ( LDAP_DN_PEDANTIC & flags ) ) {
1670 * do we allow to escape normal chars?
1671 * LDAPv2 does not allow any mechanism
1672 * for escaping chars with '\' and hex
1679 } else if ( LDAP_DN_QUOTES( p[ 0 ] ) ) {
1681 /* eat closing quotes */
1687 * FIXME: can we accept anything else? I guess we need
1688 * to stop if a value is not legal
1692 if ( endPos == NULL ) {
1696 /* Strip trailing (unescaped) spaces */
1697 for ( ; p[ 0 ] && LDAP_DN_ASCII_SPACE( p[ 0 ] ); p++ ) {
1702 if ( flags & LDAP_DN_SKIP ) {
1706 len = endPos - startPos - escapes;
1709 if ( escapes == 0 ) {
1710 val->bv_val = LDAP_STRNDUP( startPos, len );
1715 val->bv_val = LDAP_MALLOC( len + 1 );
1718 for ( s = d = 0; d < len; ) {
1719 if ( LDAP_DN_ESCAPE( str[ s ] ) ) {
1722 val->bv_val[ d++ ] = str[ s++ ];
1724 val->bv_val[ d ] = '\0';
1725 assert( strlen( val->bv_val ) == len );
1732 hexstr2bin( const char *str, char *c )
1742 if ( LDAP_DN_ASCII_DIGIT( c1 ) ) {
1746 if ( LDAP_DN_ASCII_UCASE_HEXALPHA( c1 ) ) {
1749 assert( LDAP_DN_ASCII_LCASE_HEXALPHA( c1 ) );
1756 if ( LDAP_DN_ASCII_DIGIT( c2 ) ) {
1760 if ( LDAP_DN_ASCII_UCASE_HEXALPHA( c2 ) ) {
1761 *c += c2 - 'A' + 10;
1763 assert( LDAP_DN_ASCII_LCASE_HEXALPHA( c2 ) );
1764 *c += c2 - 'a' + 10;
1772 hexstr2binval( const char *str, struct berval *val, const char **next, unsigned flags )
1774 const char *p, *startPos, *endPos = NULL;
1784 for ( startPos = p = str; p[ 0 ]; p += 2 ) {
1785 switch ( LDAP_DN_FORMAT( flags ) ) {
1786 case LDAP_DN_FORMAT_LDAPV3:
1787 if ( LDAP_DN_VALUE_END( p[ 0 ] ) ) {
1792 case LDAP_DN_FORMAT_LDAP:
1793 case LDAP_DN_FORMAT_LDAPV2:
1794 if ( LDAP_DN_VALUE_END_V2( p[ 0 ] ) ) {
1799 case LDAP_DN_FORMAT_DCE:
1800 if ( LDAP_DN_VALUE_END_DCE( p[ 0 ] ) ) {
1806 if ( LDAP_DN_ASCII_SPACE( p[ 0 ] ) ) {
1807 if ( flags & LDAP_DN_PEDANTIC ) {
1812 for ( ; p[ 0 ]; p++ ) {
1813 switch ( LDAP_DN_FORMAT( flags ) ) {
1814 case LDAP_DN_FORMAT_LDAPV3:
1815 if ( LDAP_DN_VALUE_END( p[ 0 ] ) ) {
1820 case LDAP_DN_FORMAT_LDAP:
1821 case LDAP_DN_FORMAT_LDAPV2:
1822 if ( LDAP_DN_VALUE_END_V2( p[ 0 ] ) ) {
1827 case LDAP_DN_FORMAT_DCE:
1828 if ( LDAP_DN_VALUE_END_DCE( p[ 0 ] ) ) {
1837 if ( !LDAP_DN_HEXPAIR( p ) ) {
1845 if ( flags & LDAP_DN_SKIP ) {
1849 len = ( ( endPos ? endPos : p ) - startPos ) / 2;
1851 assert( 2 * len == (ber_len_t) (( endPos ? endPos : p ) - startPos ));
1854 val->bv_val = LDAP_MALLOC( len + 1 );
1855 if ( val->bv_val == NULL ) {
1856 return( LDAP_NO_MEMORY );
1859 for ( s = 0, d = 0; d < len; s += 2, d++ ) {
1862 hexstr2bin( &startPos[ s ], &c );
1864 val->bv_val[ d ] = c;
1867 val->bv_val[ d ] = '\0';
1873 * convert a byte in a hexadecimal pair
1876 byte2hexpair( const char *val, char *pair )
1878 static const char hexdig[] = "0123456789ABCDEF";
1884 * we assume the string has enough room for the hex encoding
1888 pair[ 0 ] = hexdig[ 0x0f & ( val[ 0 ] >> 4 ) ];
1889 pair[ 1 ] = hexdig[ 0x0f & val[ 0 ] ];
1895 * convert a binary value in hexadecimal pairs
1898 binval2hexstr( struct berval *val, char *str )
1905 if ( val->bv_len == 0 ) {
1910 * we assume the string has enough room for the hex encoding
1914 for ( s = 0, d = 0; s < val->bv_len; s++, d += 2 ) {
1915 byte2hexpair( &val->bv_val[ s ], &str[ d ] );
1922 * Length of the string representation, accounting for escaped hex
1926 strval2strlen( struct berval *val, unsigned flags, ber_len_t *len )
1928 ber_len_t l, cl = 1;
1930 int escaped_byte_len = LDAP_DN_IS_PRETTY( flags ) ? 1 : 3;
1931 #ifdef PRETTY_ESCAPE
1932 int escaped_ascii_len = LDAP_DN_IS_PRETTY( flags ) ? 2 : 3;
1933 #endif /* PRETTY_ESCAPE */
1939 if ( val->bv_len == 0 ) {
1943 for ( l = 0, p = val->bv_val; p < val->bv_val + val->bv_len; p += cl ) {
1948 if ( p[ 0 ] == '\0' ) {
1954 cl = LDAP_UTF8_CHARLEN2( p, cl );
1956 /* illegal utf-8 char! */
1959 } else if ( cl > 1 ) {
1962 for ( cnt = 1; cnt < cl; cnt++ ) {
1963 if ( ( p[ cnt ] & 0xc0 ) != 0x80 ) {
1967 l += escaped_byte_len * cl;
1969 } else if ( LDAP_DN_NEEDESCAPE( p[ 0 ] )
1970 || ( p == val->bv_val && LDAP_DN_NEEDESCAPE_LEAD( p[ 0 ] ) )
1971 || ( !p[ 1 ] && LDAP_DN_NEEDESCAPE_TRAIL( p[ 0 ] ) ) ) {
1972 #ifdef PRETTY_ESCAPE
1974 if ( LDAP_DN_WILLESCAPE_HEX( flags, p[ 0 ] ) ) {
1976 if ( LDAP_DN_WILLESCAPE_CHAR( p[ 0 ] ) ) {
1980 * there might be some chars we want
1981 * to escape in form of a couple
1982 * of hexdigits for optimization purposes
1987 l += escaped_ascii_len;
1989 #else /* ! PRETTY_ESCAPE */
1991 #endif /* ! PRETTY_ESCAPE */
2004 * convert to string representation, escaping with hex the UTF-8 stuff;
2005 * assume the destination has enough room for escaping
2008 strval2str( struct berval *val, char *str, unsigned flags, ber_len_t *len )
2010 ber_len_t s, d, end;
2016 if ( val->bv_len == 0 ) {
2022 * we assume the string has enough room for the hex encoding
2025 for ( s = 0, d = 0, end = val->bv_len - 1; s < val->bv_len; ) {
2031 if ( val->bv_val[ s ] == '\0' ) {
2041 * The length was checked in strval2strlen();
2042 * LDAP_UTF8_CHARLEN() should suffice
2044 cl = LDAP_UTF8_CHARLEN2( &val->bv_val[ s ], cl );
2048 * there might be some chars we want to escape in form
2049 * of a couple of hexdigits for optimization purposes
2051 if ( ( cl > 1 && !LDAP_DN_IS_PRETTY( flags ) )
2052 #ifdef PRETTY_ESCAPE
2054 || LDAP_DN_WILLESCAPE_HEX( flags, val->bv_val[ s ] )
2056 || LDAP_DN_WILLESCAPE_CHAR( val->bv_val[ s ] )
2058 #else /* ! PRETTY_ESCAPE */
2059 || LDAP_DN_NEEDESCAPE( val->bv_val[ s ] )
2060 || ( d == 0 && LDAP_DN_NEEDESCAPE_LEAD( val->bv_val[ s ] ) )
2061 || ( s == end && LDAP_DN_NEEDESCAPE_TRAIL( val->bv_val[ s ] ) )
2063 #endif /* ! PRETTY_ESCAPE */
2067 byte2hexpair( &val->bv_val[ s ], &str[ d ] );
2072 } else if ( cl > 1 ) {
2074 str[ d++ ] = val->bv_val[ s++ ];
2078 #ifdef PRETTY_ESCAPE
2079 if ( LDAP_DN_NEEDESCAPE( val->bv_val[ s ] )
2080 || ( d == 0 && LDAP_DN_NEEDESCAPE_LEAD( val->bv_val[ s ] ) )
2081 || ( s == end && LDAP_DN_NEEDESCAPE_TRAIL( val->bv_val[ s ] ) ) ) {
2083 if ( !LDAP_DN_IS_PRETTY( flags ) ) {
2084 byte2hexpair( &val->bv_val[ s ], &str[ d ] );
2090 #endif /* PRETTY_ESCAPE */
2091 str[ d++ ] = val->bv_val[ s++ ];
2101 * Length of the IA5 string representation (no UTF-8 allowed)
2104 strval2IA5strlen( struct berval *val, unsigned flags, ber_len_t *len )
2113 if ( val->bv_len == 0 ) {
2117 if ( flags & LDAP_AVA_NONPRINTABLE ) {
2119 * Turn value into a binary encoded BER
2124 for ( l = 0, p = val->bv_val; p[ 0 ]; p++ ) {
2125 if ( LDAP_DN_NEEDESCAPE( p[ 0 ] )
2126 || ( p == val->bv_val && LDAP_DN_NEEDESCAPE_LEAD( p[ 0 ] ) )
2127 || ( !p[ 1 ] && LDAP_DN_NEEDESCAPE_TRAIL( p[ 0 ] ) ) ) {
2142 * convert to string representation (np UTF-8)
2143 * assume the destination has enough room for escaping
2146 strval2IA5str( struct berval *val, char *str, unsigned flags, ber_len_t *len )
2148 ber_len_t s, d, end;
2154 if ( val->bv_len == 0 ) {
2159 if ( flags & LDAP_AVA_NONPRINTABLE ) {
2161 * Turn value into a binary encoded BER
2168 * we assume the string has enough room for the hex encoding
2172 for ( s = 0, d = 0, end = val->bv_len - 1; s < val->bv_len; ) {
2173 if ( LDAP_DN_NEEDESCAPE( val->bv_val[ s ] )
2174 || ( s == 0 && LDAP_DN_NEEDESCAPE_LEAD( val->bv_val[ s ] ) )
2175 || ( s == end && LDAP_DN_NEEDESCAPE_TRAIL( val->bv_val[ s ] ) ) ) {
2178 str[ d++ ] = val->bv_val[ s++ ];
2188 * Length of the (supposedly) DCE string representation,
2189 * accounting for escaped hex of UTF-8 chars
2192 strval2DCEstrlen( struct berval *val, unsigned flags, ber_len_t *len )
2201 if ( val->bv_len == 0 ) {
2205 if ( flags & LDAP_AVA_NONPRINTABLE ) {
2207 * FIXME: Turn the value into a binary encoded BER?
2212 for ( l = 0, p = val->bv_val; p[ 0 ]; p++ ) {
2213 if ( LDAP_DN_NEEDESCAPE_DCE( p[ 0 ] ) ) {
2228 * convert to (supposedly) DCE string representation,
2229 * escaping with hex the UTF-8 stuff;
2230 * assume the destination has enough room for escaping
2233 strval2DCEstr( struct berval *val, char *str, unsigned flags, ber_len_t *len )
2241 if ( val->bv_len == 0 ) {
2246 if ( flags & LDAP_AVA_NONPRINTABLE ) {
2248 * FIXME: Turn the value into a binary encoded BER?
2256 * we assume the string has enough room for the hex encoding
2260 for ( s = 0, d = 0; s < val->bv_len; ) {
2261 if ( LDAP_DN_NEEDESCAPE_DCE( val->bv_val[ s ] ) ) {
2264 str[ d++ ] = val->bv_val[ s++ ];
2274 * Length of the (supposedly) AD canonical string representation,
2275 * accounting for escaped hex of UTF-8 chars
2278 strval2ADstrlen( struct berval *val, unsigned flags, ber_len_t *len )
2287 if ( val->bv_len == 0 ) {
2291 if ( flags & LDAP_AVA_NONPRINTABLE ) {
2293 * FIXME: Turn the value into a binary encoded BER?
2298 for ( l = 0, p = val->bv_val; p[ 0 ]; p++ ) {
2299 if ( LDAP_DN_NEEDESCAPE_AD( p[ 0 ] ) ) {
2314 * convert to (supposedly) AD string representation,
2315 * escaping with hex the UTF-8 stuff;
2316 * assume the destination has enough room for escaping
2319 strval2ADstr( struct berval *val, char *str, unsigned flags, ber_len_t *len )
2327 if ( val->bv_len == 0 ) {
2332 if ( flags & LDAP_AVA_NONPRINTABLE ) {
2334 * FIXME: Turn the value into a binary encoded BER?
2342 * we assume the string has enough room for the hex encoding
2346 for ( s = 0, d = 0; s < val->bv_len; ) {
2347 if ( LDAP_DN_NEEDESCAPE_AD( val->bv_val[ s ] ) ) {
2350 str[ d++ ] = val->bv_val[ s++ ];
2360 * If the DN is terminated by single-AVA RDNs with attribute type of "dc",
2361 * the first part of the AD representation of the DN is written in DNS
2362 * form, i.e. dot separated domain name components (as suggested
2363 * by Luke Howard, http://www.padl.com/~lukeh)
2366 dn2domain( LDAPDN *dn, struct berval *bv, int pos, int *iRDN )
2369 int domain = 0, first = 1;
2370 ber_len_t l = 1; /* we move the null also */
2373 /* we are guaranteed there's enough memory in str */
2379 assert( *iRDN >= 0 );
2381 str = bv->bv_val + pos;
2383 for ( i = *iRDN; i >= 0; i-- ) {
2387 assert( dn[ 0 ][ i ] );
2390 assert( rdn[ 0 ][ 0 ] );
2391 ava = rdn[ 0 ][ 0 ];
2393 if ( !LDAP_DN_IS_RDN_DC( rdn ) ) {
2401 AC_MEMCPY( str, ava->la_value.bv_val,
2402 ava->la_value.bv_len + 1);
2403 l += ava->la_value.bv_len;
2406 AC_MEMCPY( str + ava->la_value.bv_len + 1, bv->bv_val + pos, l);
2407 AC_MEMCPY( str, ava->la_value.bv_val,
2408 ava->la_value.bv_len );
2409 str[ ava->la_value.bv_len ] = '.';
2410 l += ava->la_value.bv_len + 1;
2415 bv->bv_len = pos + l - 1;
2421 rdn2strlen( LDAPRDN *rdn, unsigned flags, ber_len_t *len,
2422 int ( *s2l )( struct berval *v, unsigned f, ber_len_t *l ) )
2429 for ( iAVA = 0; rdn[ 0 ][ iAVA ]; iAVA++ ) {
2430 LDAPAVA *ava = rdn[ 0 ][ iAVA ];
2432 /* len(type) + '=' + '+' | ',' */
2433 l += ava->la_attr.bv_len + 2;
2435 if ( ava->la_flags & LDAP_AVA_BINARY ) {
2436 /* octothorpe + twice the length */
2437 l += 1 + 2 * ava->la_value.bv_len;
2441 unsigned f = flags | ava->la_flags;
2443 if ( ( *s2l )( &ava->la_value, f, &vl ) ) {
2456 rdn2str( LDAPRDN *rdn, char *str, unsigned flags, ber_len_t *len,
2457 int ( *s2s ) ( struct berval *v, char * s, unsigned f, ber_len_t *l ) )
2462 for ( iAVA = 0; rdn[ 0 ][ iAVA ]; iAVA++ ) {
2463 LDAPAVA *ava = rdn[ 0 ][ iAVA ];
2465 AC_MEMCPY( &str[ l ], ava->la_attr.bv_val,
2466 ava->la_attr.bv_len );
2467 l += ava->la_attr.bv_len;
2471 if ( ava->la_flags & LDAP_AVA_BINARY ) {
2473 if ( binval2hexstr( &ava->la_value, &str[ l ] ) ) {
2476 l += 2 * ava->la_value.bv_len;
2480 unsigned f = flags | ava->la_flags;
2482 if ( ( *s2s )( &ava->la_value, &str[ l ], f, &vl ) ) {
2487 str[ l++ ] = ( rdn[ 0 ][ iAVA + 1 ] ? '+' : ',' );
2496 rdn2DCEstrlen( LDAPRDN *rdn, unsigned flags, ber_len_t *len )
2503 for ( iAVA = 0; rdn[ 0 ][ iAVA ]; iAVA++ ) {
2504 LDAPAVA *ava = rdn[ 0 ][ iAVA ];
2506 /* len(type) + '=' + ',' | '/' */
2507 l += ava->la_attr.bv_len + 2;
2509 switch ( ava->la_flags ) {
2510 case LDAP_AVA_BINARY:
2511 /* octothorpe + twice the length */
2512 l += 1 + 2 * ava->la_value.bv_len;
2515 case LDAP_AVA_STRING: {
2517 unsigned f = flags | ava->la_flags;
2519 if ( strval2DCEstrlen( &ava->la_value, f, &vl ) ) {
2537 rdn2DCEstr( LDAPRDN *rdn, char *str, unsigned flags, ber_len_t *len, int first )
2542 for ( iAVA = 0; rdn[ 0 ][ iAVA ]; iAVA++ ) {
2543 LDAPAVA *ava = rdn[ 0 ][ iAVA ];
2548 str[ l++ ] = ( iAVA ? ',' : '/' );
2551 AC_MEMCPY( &str[ l ], ava->la_attr.bv_val,
2552 ava->la_attr.bv_len );
2553 l += ava->la_attr.bv_len;
2557 switch ( ava->la_flags ) {
2558 case LDAP_AVA_BINARY:
2560 if ( binval2hexstr( &ava->la_value, &str[ l ] ) ) {
2563 l += 2 * ava->la_value.bv_len;
2566 case LDAP_AVA_STRING: {
2568 unsigned f = flags | ava->la_flags;
2570 if ( strval2DCEstr( &ava->la_value, &str[ l ], f, &vl ) ) {
2588 rdn2UFNstrlen( LDAPRDN *rdn, unsigned flags, ber_len_t *len )
2598 for ( iAVA = 0; rdn[ 0 ][ iAVA ]; iAVA++ ) {
2599 LDAPAVA *ava = rdn[ 0 ][ iAVA ];
2602 l += ( rdn[ 0 ][ iAVA + 1 ] ? 3 : 2 );
2604 /* FIXME: are binary values allowed in UFN? */
2605 if ( ava->la_flags & LDAP_AVA_BINARY ) {
2606 /* octothorpe + twice the value */
2607 l += 1 + 2 * ava->la_value.bv_len;
2611 unsigned f = flags | ava->la_flags;
2613 if ( strval2strlen( &ava->la_value, f, &vl ) ) {
2626 rdn2UFNstr( LDAPRDN *rdn, char *str, unsigned flags, ber_len_t *len )
2631 for ( iAVA = 0; rdn[ 0 ][ iAVA ]; iAVA++ ) {
2632 LDAPAVA *ava = rdn[ 0 ][ iAVA ];
2634 if ( ava->la_flags & LDAP_AVA_BINARY ) {
2636 if ( binval2hexstr( &ava->la_value, &str[ l ] ) ) {
2639 l += 2 * ava->la_value.bv_len;
2643 unsigned f = flags | ava->la_flags;
2645 if ( strval2str( &ava->la_value, &str[ l ], f, &vl ) ) {
2651 if ( rdn[ 0 ][ iAVA + 1 ]) {
2652 AC_MEMCPY( &str[ l ], " + ", 3 );
2656 AC_MEMCPY( &str[ l ], ", ", 2 );
2667 rdn2ADstrlen( LDAPRDN *rdn, unsigned flags, ber_len_t *len )
2677 for ( iAVA = 0; rdn[ 0 ][ iAVA ]; iAVA++ ) {
2678 LDAPAVA *ava = rdn[ 0 ][ iAVA ];
2683 /* FIXME: are binary values allowed in UFN? */
2684 switch ( ava->la_flags ) {
2685 case LDAP_AVA_BINARY:
2686 /* octothorpe + twice the value */
2687 l += 1 + 2 * ava->la_value.bv_len;
2690 case LDAP_AVA_STRING: {
2692 unsigned f = flags | ava->la_flags;
2694 if ( strval2ADstrlen( &ava->la_value, f, &vl ) ) {
2712 rdn2ADstr( LDAPRDN *rdn, char *str, unsigned flags, ber_len_t *len, int first )
2717 for ( iAVA = 0; rdn[ 0 ][ iAVA ]; iAVA++ ) {
2718 LDAPAVA *ava = rdn[ 0 ][ iAVA ];
2723 str[ l++ ] = ( iAVA ? ',' : '/' );
2726 switch ( ava->la_flags ) {
2727 case LDAP_AVA_BINARY:
2729 if ( binval2hexstr( &ava->la_value, &str[ l ] ) ) {
2732 l += 2 * ava->la_value.bv_len;
2735 case LDAP_AVA_STRING: {
2737 unsigned f = flags | ava->la_flags;
2739 if ( strval2ADstr( &ava->la_value, &str[ l ], f, &vl ) ) {
2759 * Returns in str a string representation of rdn based on flags.
2760 * There is some duplication of code between this and ldap_dn2str;
2761 * this is wanted to reduce the allocation of temporary buffers.
2764 ldap_rdn2str( LDAPRDN *rdn, char **str, unsigned flags )
2771 if((flags & LDAP_DN_FORMAT_MASK) == LDAP_DN_FORMAT_LBER) {
2772 return LDAP_PARAM_ERROR;
2775 rc = ldap_rdn2bv( rdn, &bv, flags );
2781 ldap_rdn2bv( LDAPRDN *rdn, struct berval *bv, unsigned flags )
2791 if ( rdn == NULL ) {
2792 bv->bv_val = LDAP_STRDUP( "" );
2793 return( LDAP_SUCCESS );
2797 * This routine wastes "back" bytes at the end of the string
2800 switch ( LDAP_DN_FORMAT( flags ) ) {
2801 case LDAP_DN_FORMAT_LDAPV3:
2802 if ( rdn2strlen( rdn, flags, &l, strval2strlen ) ) {
2803 return LDAP_DECODING_ERROR;
2807 case LDAP_DN_FORMAT_LDAPV2:
2808 if ( rdn2strlen( rdn, flags, &l, strval2IA5strlen ) ) {
2809 return LDAP_DECODING_ERROR;
2813 case LDAP_DN_FORMAT_UFN:
2814 if ( rdn2UFNstrlen( rdn, flags, &l ) ) {
2815 return LDAP_DECODING_ERROR;
2819 case LDAP_DN_FORMAT_DCE:
2820 if ( rdn2DCEstrlen( rdn, flags, &l ) ) {
2821 return LDAP_DECODING_ERROR;
2825 case LDAP_DN_FORMAT_AD_CANONICAL:
2826 if ( rdn2ADstrlen( rdn, flags, &l ) ) {
2827 return LDAP_DECODING_ERROR;
2832 return( LDAP_PARAM_ERROR );
2835 bv->bv_val = LDAP_MALLOC( l + 1 );
2837 switch ( LDAP_DN_FORMAT( flags ) ) {
2838 case LDAP_DN_FORMAT_LDAPV3:
2839 rc = rdn2str( rdn, bv->bv_val, flags, &l, strval2str );
2843 case LDAP_DN_FORMAT_LDAPV2:
2844 rc = rdn2str( rdn, bv->bv_val, flags, &l, strval2IA5str );
2848 case LDAP_DN_FORMAT_UFN:
2849 rc = rdn2UFNstr( rdn, bv->bv_val, flags, &l );
2853 case LDAP_DN_FORMAT_DCE:
2854 rc = rdn2DCEstr( rdn, bv->bv_val, flags, &l, 1 );
2858 case LDAP_DN_FORMAT_AD_CANONICAL:
2859 rc = rdn2ADstr( rdn, bv->bv_val, flags, &l, 1 );
2864 /* need at least one of the previous */
2865 return LDAP_PARAM_ERROR;
2869 ldap_memfree( bv->bv_val );
2873 bv->bv_len = l - back;
2874 bv->bv_val[ bv->bv_len ] = '\0';
2876 return LDAP_SUCCESS;
2880 * Very bulk implementation; many optimizations can be performed
2881 * - a NULL dn results in an empty string ""
2884 * a) what do we do if a UTF-8 string must be converted in LDAPv2?
2885 * we must encode it in binary form ('#' + HEXPAIRs)
2886 * b) does DCE/AD support UTF-8?
2887 * no clue; don't think so.
2888 * c) what do we do when binary values must be converted in UTF/DCE/AD?
2889 * use binary encoded BER
2891 int ldap_dn2str( LDAPDN *dn, char **str, unsigned flags )
2898 if((flags & LDAP_DN_FORMAT_MASK) == LDAP_DN_FORMAT_LBER) {
2899 return LDAP_PARAM_ERROR;
2902 rc = ldap_dn2bv( dn, &bv, flags );
2907 int ldap_dn2bv( LDAPDN *dn, struct berval *bv, unsigned flags )
2910 int rc = LDAP_ENCODING_ERROR;
2913 /* stringifying helpers for LDAPv3/LDAPv2 */
2914 int ( *sv2l ) ( struct berval *v, unsigned f, ber_len_t *l );
2915 int ( *sv2s ) ( struct berval *v, char *s, unsigned f, ber_len_t *l );
2921 Debug( LDAP_DEBUG_TRACE, "=> ldap_dn2bv(%u)\n%s%s", flags, "", "" );
2924 * a null dn means an empty dn string
2925 * FIXME: better raise an error?
2928 bv->bv_val = LDAP_STRDUP( "" );
2929 return( LDAP_SUCCESS );
2932 switch ( LDAP_DN_FORMAT( flags ) ) {
2933 case LDAP_DN_FORMAT_LDAPV3:
2934 sv2l = strval2strlen;
2938 case LDAP_DN_FORMAT_LDAPV2:
2939 sv2l = strval2IA5strlen;
2940 sv2s = strval2IA5str;
2943 for ( iRDN = 0, len = 0; dn[ 0 ][ iRDN ]; iRDN++ ) {
2945 LDAPRDN *rdn = dn[ 0 ][ iRDN ];
2947 if ( rdn2strlen( rdn, flags, &rdnl, sv2l ) ) {
2948 goto return_results;
2954 if ( ( bv->bv_val = LDAP_MALLOC( len + 1 ) ) == NULL ) {
2955 rc = LDAP_NO_MEMORY;
2959 for ( l = 0, iRDN = 0; dn[ 0 ][ iRDN ]; iRDN++ ) {
2961 LDAPRDN *rdn = dn[ 0 ][ iRDN ];
2963 if ( rdn2str( rdn, &bv->bv_val[ l ], flags,
2965 LDAP_FREE( bv->bv_val );
2967 goto return_results;
2975 * trim the last ',' (the allocated memory
2976 * is one byte longer than required)
2978 bv->bv_len = len - 1;
2979 bv->bv_val[ bv->bv_len ] = '\0';
2984 case LDAP_DN_FORMAT_UFN: {
2986 * FIXME: quoting from RFC 1781:
2988 To take a distinguished name, and generate a name of this format with
2989 attribute types omitted, the following steps are followed.
2991 1. If the first attribute is of type CommonName, the type may be
2994 2. If the last attribute is of type Country, the type may be
2997 3. If the last attribute is of type Country, the last
2998 Organisation attribute may have the type omitted.
3000 4. All attributes of type OrganisationalUnit may have the type
3001 omitted, unless they are after an Organisation attribute or
3002 the first attribute is of type OrganisationalUnit.
3004 * this should be the pedantic implementation.
3006 * Here the standard implementation reflects
3007 * the one historically provided by OpenLDAP
3008 * (and UMIch, I presume), with the variant
3009 * of spaces and plusses (' + ') separating
3012 * A non-standard but nice implementation could
3013 * be to turn the final "dc" attributes into a
3014 * dot-separated domain.
3016 * Other improvements could involve the use of
3017 * friendly country names and so.
3020 int leftmost_dc = -1;
3022 #endif /* DC_IN_UFN */
3024 for ( iRDN = 0, len = 0; dn[ 0 ][ iRDN ]; iRDN++ ) {
3026 LDAPRDN *rdn = dn[ 0 ][ iRDN ];
3028 if ( rdn2UFNstrlen( rdn, flags, &rdnl ) ) {
3029 goto return_results;
3034 if ( LDAP_DN_IS_RDN_DC( rdn ) ) {
3035 if ( leftmost_dc == -1 ) {
3041 #endif /* DC_IN_UFN */
3044 if ( ( bv->bv_val = LDAP_MALLOC( len + 1 ) ) == NULL ) {
3045 rc = LDAP_NO_MEMORY;
3050 if ( leftmost_dc == -1 ) {
3051 #endif /* DC_IN_UFN */
3052 for ( l = 0, iRDN = 0; dn[ 0 ][ iRDN ]; iRDN++ ) {
3054 LDAPRDN *rdn = dn[ 0 ][ iRDN ];
3056 if ( rdn2UFNstr( rdn, &bv->bv_val[ l ],
3058 LDAP_FREE( bv->bv_val );
3060 goto return_results;
3066 * trim the last ', ' (the allocated memory
3067 * is two bytes longer than required)
3069 bv->bv_len = len - 2;
3070 bv->bv_val[ bv->bv_len ] = '\0';
3073 last_iRDN = iRDN - 1;
3075 for ( l = 0, iRDN = 0; iRDN < leftmost_dc; iRDN++ ) {
3077 LDAPRDN *rdn = dn[ 0 ][ iRDN ];
3079 if ( rdn2UFNstr( rdn, &bv->bv_val[ l ],
3081 LDAP_FREE( bv->bv_val );
3083 goto return_results;
3088 if ( !dn2domain( dn, bv, l, &last_iRDN ) ) {
3089 LDAP_FREE( bv->bv_val );
3091 goto return_results;
3094 /* the string is correctly terminated by dn2domain */
3096 #endif /* DC_IN_UFN */
3102 case LDAP_DN_FORMAT_DCE:
3103 for ( iRDN = 0, len = 0; dn[ 0 ][ iRDN ]; iRDN++ ) {
3105 LDAPRDN *rdn = dn[ 0 ][ iRDN ];
3107 if ( rdn2DCEstrlen( rdn, flags, &rdnl ) ) {
3108 goto return_results;
3114 if ( ( bv->bv_val = LDAP_MALLOC( len + 1 ) ) == NULL ) {
3115 rc = LDAP_NO_MEMORY;
3119 for ( l = 0; iRDN--; ) {
3121 LDAPRDN *rdn = dn[ 0 ][ iRDN ];
3123 if ( rdn2DCEstr( rdn, &bv->bv_val[ l ], flags,
3125 LDAP_FREE( bv->bv_val );
3127 goto return_results;
3135 bv->bv_val[ bv->bv_len ] = '\0';
3140 case LDAP_DN_FORMAT_AD_CANONICAL: {
3142 * Sort of UFN for DCE DNs: a slash ('/') separated
3143 * global->local DN with no types; strictly speaking,
3144 * the naming context should be a domain, which is
3145 * written in DNS-style, e.g. dot-deparated.
3149 * "givenName=Bill+sn=Gates,ou=People,dc=microsoft,dc=com"
3153 * "microsoft.com/People/Bill,Gates"
3155 for ( iRDN = 0, len = -1; dn[ 0 ][ iRDN ]; iRDN++ ) {
3157 LDAPRDN *rdn = dn[ 0 ][ iRDN ];
3159 if ( rdn2ADstrlen( rdn, flags, &rdnl ) ) {
3160 goto return_results;
3166 if ( ( bv->bv_val = LDAP_MALLOC( len + 1 ) ) == NULL ) {
3167 rc = LDAP_NO_MEMORY;
3172 if ( iRDN && dn2domain( dn, bv, 0, &iRDN ) ) {
3173 for ( l = bv->bv_len; iRDN >= 0 ; iRDN-- ) {
3175 LDAPRDN *rdn = dn[ 0 ][ iRDN ];
3177 if ( rdn2ADstr( rdn, &bv->bv_val[ l ],
3178 flags, &rdnl, 0 ) ) {
3179 LDAP_FREE( bv->bv_val );
3181 goto return_results;
3190 * Strictly speaking, AD canonical requires
3191 * a DN to be in the form "..., dc=smtg",
3192 * i.e. terminated by a domain component
3194 if ( flags & LDAP_DN_PEDANTIC ) {
3195 LDAP_FREE( bv->bv_val );
3197 rc = LDAP_ENCODING_ERROR;
3201 for ( l = 0; iRDN >= 0 ; iRDN-- ) {
3203 LDAPRDN *rdn = dn[ 0 ][ iRDN ];
3205 if ( rdn2ADstr( rdn, &bv->bv_val[ l ],
3206 flags, &rdnl, first ) ) {
3207 LDAP_FREE( bv->bv_val );
3209 goto return_results;
3219 bv->bv_val[ bv->bv_len ] = '\0';
3225 return LDAP_PARAM_ERROR;
3228 Debug( LDAP_DEBUG_TRACE, "<= ldap_dn2bv(%s,%u)=%d\n",
3229 bv->bv_val, flags, rc );