1 /* config.c - ldap backend configuration file routine */
4 * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
5 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
7 /* This is an altered version */
9 * Copyright 1999, Howard Chu, All rights reserved. <hyc@highlandsun.com>
11 * Permission is granted to anyone to use this software for any purpose
12 * on any computer system, and to alter it and redistribute it, subject
13 * to the following restrictions:
15 * 1. The author is not responsible for the consequences of use of this
16 * software, no matter how awful, even if they arise from flaws in it.
18 * 2. The origin of this software must not be misrepresented, either by
19 * explicit claim or by omission. Since few users ever read sources,
20 * credits should appear in the documentation.
22 * 3. Altered versions must be plainly marked as such, and must not be
23 * misrepresented as being the original software. Since few users
24 * ever read sources, credits should appear in the documentation.
26 * 4. This notice may not be removed or altered.
30 * Copyright 2000, Pierangelo Masarati, All rights reserved. <ando@sys-net.it>
32 * This software is being modified by Pierangelo Masarati.
33 * The previously reported conditions apply to the modified code as well.
34 * Changes in the original code are highlighted where required.
35 * Credits for the original code go to the author, Howard Chu.
42 #include <ac/string.h>
43 #include <ac/socket.h>
46 #include "back-ldap.h"
57 struct ldapinfo *li = (struct ldapinfo *) be->be_private;
60 fprintf( stderr, "%s: line %d: ldap backend info is null!\n",
65 /* server address to query (depricated, use "uri" directive) */
66 if ( strcasecmp( argv[0], "server" ) == 0 ) {
69 "%s: line %d: missing address in \"server <address>\" line\n",
75 li->url = ch_calloc(strlen(argv[1]) + 9, sizeof(char));
76 if (li->url != NULL) {
77 strcpy(li->url, "ldap://");
78 strcat(li->url, argv[1]);
82 /* URI of server to query (preferred over "server" directive) */
83 } else if ( strcasecmp( argv[0], "uri" ) == 0 ) {
86 "%s: line %d: missing address in \"uri <address>\" line\n",
92 li->url = ch_strdup(argv[1]);
94 /* name to use for ldap_back_group */
95 } else if ( strcasecmp( argv[0], "binddn" ) == 0 ) {
98 "%s: line %d: missing name in \"binddn <name>\" line\n",
102 li->binddn = ch_strdup(argv[1]);
104 /* password to use for ldap_back_group */
105 } else if ( strcasecmp( argv[0], "bindpw" ) == 0 ) {
108 "%s: line %d: missing password in \"bindpw <password>\" line\n",
112 li->bindpw = ch_strdup(argv[1]);
115 } else if ( strcasecmp( argv[0], "suffixmassage" ) == 0 ) {
116 #ifndef ENABLE_REWRITE
118 #endif /* ENABLE_REWRITE */
120 struct berval bdn, *ndn = NULL;
125 * suffixmassage <suffix> <massaged suffix>
127 * the <suffix> field must be defined as a valid suffix
128 * (or suffixAlias?) for the current database;
129 * the <massaged suffix> shouldn't have already been
130 * defined as a valid suffix or suffixAlias for the
134 fprintf( stderr, "%s: line %d: syntax is"
135 " \"suffixMassage <suffix>"
136 " <massaged suffix>\"\n",
141 bdn.bv_val = argv[1];
142 bdn.bv_len = strlen(bdn.bv_val);
143 if ( dnNormalize( NULL, &bdn, &ndn ) != LDAP_SUCCESS ) {
144 fprintf( stderr, "%s: line %d: suffix DN %s is invalid\n",
145 fname, lineno, bdn.bv_val );
148 tmp_be = select_backend( ndn, 0, 0 );
151 if ( tmp_be != NULL && tmp_be != be ) {
152 fprintf( stderr, "%s: line %d: suffix already in use"
153 " by another backend in"
154 " \"suffixMassage <suffix>"
155 " <massaged suffix>\"\n",
160 bdn.bv_val = argv[2];
161 bdn.bv_len = strlen(bdn.bv_val);
162 if ( dnNormalize( NULL, &bdn, &ndn ) != LDAP_SUCCESS ) {
163 fprintf( stderr, "%s: line %d: suffix DN %s is invalid\n",
164 fname, lineno, bdn.bv_val );
167 tmp_be = select_backend( ndn, 0, 0 );
169 if ( tmp_be != NULL ) {
170 fprintf( stderr, "%s: line %d: massaged suffix"
171 " already in use by another backend in"
172 " \"suffixMassage <suffix>"
173 " <massaged suffix>\"\n",
178 #ifdef ENABLE_REWRITE
180 * The suffix massaging is emulated by means of the
181 * rewrite capabilities
182 * FIXME: no extra rewrite capabilities should be added
185 return suffix_massage_config( li->rwinfo, argc, argv );
186 #else /* !ENABLE_REWRITE */
187 bd2 = ber_bvstrdup( argv[1] );
188 ber_bvecadd( &li->suffix_massage, bd2 );
190 dnNormalize( NULL, bd2, &ndn );
191 ber_bvecadd( &li->suffix_massage, ndn );
193 bd2 = ber_bvstrdup( argv[2] );
194 ber_bvecadd( &li->suffix_massage, bd2 );
196 dnNormalize( NULL, bd2, &ndn );
197 ber_bvecadd( &li->suffix_massage, ndn );
198 #endif /* !ENABLE_REWRITE */
200 #ifdef ENABLE_REWRITE
201 /* rewrite stuff ... */
202 } else if ( strncasecmp( argv[0], "rewrite", 7 ) == 0 ) {
203 return rewrite_parse( li->rwinfo, fname, lineno, argc, argv );
204 #endif /* ENABLE_REWRITE */
206 /* objectclass/attribute mapping */
207 } else if ( strcasecmp( argv[0], "map" ) == 0 ) {
209 struct ldapmapping *mapping;
212 if ( argc < 3 || argc > 4 ) {
214 "%s: line %d: syntax is \"map {objectclass | attribute} {<source> | *} [<dest> | *]\"\n",
219 if ( strcasecmp( argv[1], "objectclass" ) == 0 ) {
221 } else if ( strcasecmp( argv[1], "attribute" ) == 0 ) {
225 "%s: line %d: syntax is \"map {objectclass | attribute} {<source> | *} [<dest> | *]\"\n",
230 if ( strcasecmp( argv[2], "*" ) != 0 ) {
234 else if ( strcasecmp( argv[3], "*" ) == 0 )
240 map->drop_missing = 1;
243 if ( strcasecmp( argv[3], "*" ) == 0 ) {
244 map->drop_missing = 0;
252 if ( ( map == &li->at_map )
253 && ( strcasecmp( src, "objectclass" ) == 0
254 || strcasecmp( dst, "objectclass" ) == 0 ) )
257 "%s: line %d: objectclass attribute cannot be mapped\n",
261 mapping = (struct ldapmapping *)ch_calloc( 2, sizeof(struct ldapmapping) );
262 if ( mapping == NULL ) {
264 "%s: line %d: out of memory\n",
268 mapping->src = ch_strdup(src);
269 mapping->dst = ch_strdup(dst);
271 mapping[1].src = mapping->dst;
272 mapping[1].dst = mapping->src;
274 mapping[1].src = mapping->src;
275 mapping[1].dst = mapping->dst;
278 if ( avl_find( map->map, (caddr_t)mapping, mapping_cmp ) != NULL
279 || avl_find( map->remap, (caddr_t)&mapping[1], mapping_cmp ) != NULL)
282 "%s: line %d: duplicate mapping found (ignored)\n",
287 avl_insert( &map->map, (caddr_t)mapping,
288 mapping_cmp, mapping_dup );
289 avl_insert( &map->remap, (caddr_t)&mapping[1],
290 mapping_cmp, mapping_dup );
295 "%s: line %d: unknown directive \"%s\" in ldap database definition (ignored)\n",
296 fname, lineno, argv[0] );
302 mapping_cmp ( const void *c1, const void *c2 )
304 struct ldapmapping *map1 = (struct ldapmapping *)c1;
305 struct ldapmapping *map2 = (struct ldapmapping *)c2;
307 return ( strcasecmp(map1->src, map2->src) );
311 mapping_dup ( void *c1, void *c2 )
313 struct ldapmapping *map1 = (struct ldapmapping *)c1;
314 struct ldapmapping *map2 = (struct ldapmapping *)c2;
316 return( ( strcasecmp(map1->src, map2->src) == 0 ) ? -1 : 0 );
320 ldap_back_map ( struct ldapmap *map, char *s, int remap )
323 struct ldapmapping *mapping, fmapping;
331 mapping = (struct ldapmapping *)avl_find( tree, (caddr_t)&fmapping, mapping_cmp );
332 if (mapping != NULL) {
333 if ( *mapping->dst == 0 )
335 return(mapping->dst);
338 if (map->drop_missing)
345 ldap_back_map_filter(
346 struct ldapmap *at_map,
347 struct ldapmap *oc_map,
352 char *nf, *m, *p, *q, *s, c;
353 int len, extra, plen, in_quote;
361 nf = ch_malloc( len + 1 );
365 /* this loop assumes the filter ends with one
366 * of the delimiter chars -- probably ')'.
372 for (p = f; (c = *p); p++) {
374 in_quote = !in_quote;
382 } else if (in_quote) {
383 /* ignore everything in quotes --
384 * what about attrs in DNs?
387 } else if (c != '(' && c != ')'
388 && c != '=' && c != '>' && c != '<'
389 && c != '|' && c != '&')
396 m = ldap_back_map(at_map, q, remap);
398 m = ldap_back_map(oc_map, q, remap);
411 nf = ch_realloc(nf, len + 1);
432 struct ldapmap *at_map,
443 for (count = 0; a[count] != NULL; count++) {
447 na = (char **)ch_calloc( count + 1, sizeof(char *) );
451 for (i = 0, j = 0; i < count; i++) {
452 mapped = ldap_back_map(at_map, a[i]->bv_val, remap);
453 if (mapped != NULL) {
461 #ifdef ENABLE_REWRITE
463 suffix_massage_regexize( const char *s )
468 for ( i = 0, p = ( char * )s;
469 ( r = strchr( p, ',' ) ) != NULL;
473 res = ch_calloc( sizeof( char ), strlen( s ) + 4 + 4*i + 1 );
475 strcpy( res, "(.*)" );
476 for ( i = 0, p = ( char * )s;
477 ( r = strchr( p, ',' ) ) != NULL;
479 strncat( res, p, r - p + 1 );
480 strcat( res, "[ ]?" );
482 if ( r[ 1 ] == ' ' ) {
492 suffix_massage_patternize( const char *s, int normalize )
496 res = ch_calloc( sizeof( char ), strlen( s ) + 3 );
498 sprintf( res, "%%1%s", s );
501 char *out = dn_normalize( res + 2 );
502 if ( out != res + 2 ) {
503 strcpy( res + 2, out );
512 suffix_massage_config(
513 struct rewrite_info *info,
520 rargv[ 0 ] = "rewriteEngine";
523 rewrite_parse( info, "<suffix massage>", 1, 2, rargv );
525 rargv[ 0 ] = "rewriteContext";
526 rargv[ 1 ] = "default";
528 rewrite_parse( info, "<suffix massage>", 2, 2, rargv );
530 rargv[ 0 ] = "rewriteRule";
531 rargv[ 1 ] = suffix_massage_regexize( argv[ 1 ] );
532 rargv[ 2 ] = suffix_massage_patternize( argv[ 2 ], 0 );
535 rewrite_parse( info, "<suffix massage>", 3, 4, rargv );
536 ch_free( rargv[ 1 ] );
537 ch_free( rargv[ 2 ] );
539 rargv[ 0 ] = "rewriteContext";
540 rargv[ 1 ] = "searchResult";
542 rewrite_parse( info, "<suffix massage>", 4, 2, rargv );
544 rargv[ 0 ] = "rewriteRule";
545 rargv[ 1 ] = suffix_massage_regexize( argv[ 2 ] );
546 rargv[ 2 ] = suffix_massage_patternize( argv[ 1 ], 0 );
549 rewrite_parse( info, "<suffix massage>", 5, 4, rargv );
550 ch_free( rargv[ 1 ] );
551 ch_free( rargv[ 2 ] );
554 * the filter should be rewritten as
557 * "(.*)member=([^)]+),o=Foo Bar,[ ]?c=US(.*)"
558 * "%1member=%2,dc=example,dc=com%3"
560 * where "o=Foo Bar, c=US" is the virtual naming context,
561 * and "dc=example, dc=com" is the real naming context
563 rargv[ 0 ] = "rewriteContext";
564 rargv[ 1 ] = "searchFilter";
566 rewrite_parse( info, "<suffix massage>", 6, 2, rargv );
568 #if 0 /* matched is not normalized */
569 rargv[ 0 ] = "rewriteContext";
570 rargv[ 1 ] = "matchedDn";
571 rargv[ 2 ] = "alias";
572 rargv[ 3 ] = "searchResult";
574 rewrite_parse( info, "<suffix massage>", 7, 4, rargv );
575 #else /* normalize matched */
576 rargv[ 0 ] = "rewriteContext";
577 rargv[ 1 ] = "matchedDn";
579 rewrite_parse( info, "<suffix massage>", 7, 2, rargv );
581 rargv[ 0 ] = "rewriteRule";
582 rargv[ 1 ] = suffix_massage_regexize( argv[ 2 ] );
583 rargv[ 2 ] = suffix_massage_patternize( argv[ 1 ], 1 );
586 rewrite_parse( info, "<suffix massage>", 8, 4, rargv );
587 ch_free( rargv[ 1 ] );
588 ch_free( rargv[ 2 ] );
589 #endif /* normalize matched */
593 #endif /* ENABLE_REWRITE */