1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
|
/* rwmconf.c - rewrite/map configuration file routines */
/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 1999-2021 The OpenLDAP Foundation.
* Portions Copyright 1999-2003 Howard Chu.
* Portions Copyright 2000-2003 Pierangelo Masarati.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted only as authorized by the OpenLDAP
* Public License.
*
* A copy of this license is available in the file LICENSE in the
* top-level directory of the distribution or, alternatively, at
* <http://www.OpenLDAP.org/license.html>.
*/
/* ACKNOWLEDGEMENTS:
* This work was initially developed by the Howard Chu for inclusion
* in OpenLDAP Software and subsequently enhanced by Pierangelo
* Masarati.
*/
#include "portable.h"
#ifdef SLAPD_OVER_RWM
#include <stdio.h>
#include <ac/string.h>
#include <ac/socket.h>
#include "slap.h"
#include "rwm.h"
#include "lutil.h"
int
rwm_map_config(
struct ldapmap *oc_map,
struct ldapmap *at_map,
const char *fname,
int lineno,
int argc,
char **argv )
{
struct ldapmap *map;
struct ldapmapping *mapping;
char *src, *dst;
int is_oc = 0;
int rc = 0;
if ( argc < 3 || argc > 4 ) {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: syntax is \"map {objectclass | attribute} [<local> | *] {<foreign> | *}\"\n",
fname, lineno, 0 );
return 1;
}
if ( strcasecmp( argv[1], "objectclass" ) == 0 ) {
map = oc_map;
is_oc = 1;
} else if ( strcasecmp( argv[1], "attribute" ) == 0 ) {
map = at_map;
} else {
Debug( LDAP_DEBUG_ANY, "%s: line %d: syntax is "
"\"map {objectclass | attribute} [<local> | *] "
"{<foreign> | *}\"\n",
fname, lineno, 0 );
return 1;
}
if ( !is_oc && map->map == NULL ) {
/* only init if required */
if ( rwm_map_init( map, &mapping ) != LDAP_SUCCESS ) {
return 1;
}
}
if ( strcmp( argv[2], "*" ) == 0 ) {
if ( argc < 4 || strcmp( argv[3], "*" ) == 0 ) {
map->drop_missing = ( argc < 4 );
goto success_return;
}
src = dst = argv[3];
} else if ( argc < 4 ) {
src = "";
dst = argv[2];
} else {
src = argv[2];
dst = ( strcmp( argv[3], "*" ) == 0 ? src : argv[3] );
}
if ( ( map == at_map )
&& ( strcasecmp( src, "objectclass" ) == 0
|| strcasecmp( dst, "objectclass" ) == 0 ) )
{
Debug( LDAP_DEBUG_ANY,
"%s: line %d: objectclass attribute cannot be mapped\n",
fname, lineno, 0 );
return 1;
}
mapping = (struct ldapmapping *)ch_calloc( 2,
sizeof(struct ldapmapping) );
if ( mapping == NULL ) {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: out of memory\n",
fname, lineno, 0 );
return 1;
}
ber_str2bv( src, 0, 1, &mapping[0].m_src );
ber_str2bv( dst, 0, 1, &mapping[0].m_dst );
mapping[1].m_src = mapping[0].m_dst;
mapping[1].m_dst = mapping[0].m_src;
mapping[0].m_flags = RWMMAP_F_NONE;
mapping[1].m_flags = RWMMAP_F_NONE;
/*
* schema check
*/
if ( is_oc ) {
if ( src[0] != '\0' ) {
mapping[0].m_src_oc = oc_bvfind( &mapping[0].m_src );
if ( mapping[0].m_src_oc == NULL ) {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: warning, source objectClass '%s' "
"should be defined in schema\n",
fname, lineno, src );
/*
* FIXME: this should become an err
*/
mapping[0].m_src_oc = ch_malloc( sizeof( ObjectClass ) );
memset( mapping[0].m_src_oc, 0, sizeof( ObjectClass ) );
mapping[0].m_src_oc->soc_cname = mapping[0].m_src;
mapping[0].m_flags |= RWMMAP_F_FREE_SRC;
}
mapping[1].m_dst_oc = mapping[0].m_src_oc;
}
mapping[0].m_dst_oc = oc_bvfind( &mapping[0].m_dst );
if ( mapping[0].m_dst_oc == NULL ) {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: warning, destination objectClass '%s' "
"is not defined in schema\n",
fname, lineno, dst );
mapping[0].m_dst_oc = oc_bvfind_undef( &mapping[0].m_dst );
if ( mapping[0].m_dst_oc == NULL ) {
Debug( LDAP_DEBUG_ANY, "%s: line %d: unable to mimic destination objectClass '%s'\n",
fname, lineno, dst );
goto error_return;
}
}
mapping[1].m_src_oc = mapping[0].m_dst_oc;
mapping[0].m_flags |= RWMMAP_F_IS_OC;
mapping[1].m_flags |= RWMMAP_F_IS_OC;
} else {
int rc;
const char *text = NULL;
if ( src[0] != '\0' ) {
rc = slap_bv2ad( &mapping[0].m_src,
&mapping[0].m_src_ad, &text );
if ( rc != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: warning, source attributeType '%s' "
"should be defined in schema\n",
fname, lineno, src );
/*
* we create a fake "proxied" ad
* and add it here.
*/
rc = slap_bv2undef_ad( &mapping[0].m_src,
&mapping[0].m_src_ad, &text,
SLAP_AD_PROXIED );
if ( rc != LDAP_SUCCESS ) {
char prefix[1024];
snprintf( prefix, sizeof(prefix),
"%s: line %d: source attributeType '%s': %d",
fname, lineno, src, rc );
Debug( LDAP_DEBUG_ANY, "%s (%s)\n",
prefix, text ? text : "null", 0 );
goto error_return;
}
}
mapping[1].m_dst_ad = mapping[0].m_src_ad;
}
rc = slap_bv2ad( &mapping[0].m_dst, &mapping[0].m_dst_ad, &text );
if ( rc != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_ANY,
"%s: line %d: warning, destination attributeType '%s' "
"is not defined in schema\n",
fname, lineno, dst );
rc = slap_bv2undef_ad( &mapping[0].m_dst,
&mapping[0].m_dst_ad, &text,
SLAP_AD_PROXIED );
if ( rc != LDAP_SUCCESS ) {
char prefix[1024];
snprintf( prefix, sizeof(prefix),
"%s: line %d: destination attributeType '%s': %d",
fname, lineno, dst, rc );
Debug( LDAP_DEBUG_ANY, "%s (%s)\n",
prefix, text ? text : "null", 0 );
goto error_return;
}
}
mapping[1].m_src_ad = mapping[0].m_dst_ad;
}
if ( ( src[0] != '\0' && avl_find( map->map, (caddr_t)mapping, rwm_mapping_cmp ) != NULL)
|| avl_find( map->remap, (caddr_t)&mapping[1], rwm_mapping_cmp ) != NULL)
{
Debug( LDAP_DEBUG_ANY,
"%s: line %d: duplicate mapping found.\n",
fname, lineno, 0 );
/* FIXME: free stuff */
goto error_return;
}
if ( src[0] != '\0' ) {
avl_insert( &map->map, (caddr_t)&mapping[0],
rwm_mapping_cmp, rwm_mapping_dup );
}
avl_insert( &map->remap, (caddr_t)&mapping[1],
rwm_mapping_cmp, rwm_mapping_dup );
success_return:;
return rc;
error_return:;
if ( mapping ) {
rwm_mapping_free( mapping );
}
return 1;
}
static char *
rwm_suffix_massage_regexize( const char *s )
{
char *res, *ptr;
const char *p, *r;
int i;
if ( s[0] == '\0' ) {
return ch_strdup( "^(.+)$" );
}
for ( i = 0, p = s;
( r = strchr( p, ',' ) ) != NULL;
p = r + 1, i++ )
;
res = ch_calloc( sizeof( char ), strlen( s )
+ STRLENOF( "((.+),)?" )
+ STRLENOF( "[ ]?" ) * i
+ STRLENOF( "$" ) + 1 );
ptr = lutil_strcopy( res, "((.+),)?" );
for ( i = 0, p = s;
( r = strchr( p, ',' ) ) != NULL;
p = r + 1 , i++ ) {
ptr = lutil_strncopy( ptr, p, r - p + 1 );
ptr = lutil_strcopy( ptr, "[ ]?" );
if ( r[ 1 ] == ' ' ) {
r++;
}
}
ptr = lutil_strcopy( ptr, p );
ptr[0] = '$';
ptr[1] = '\0';
return res;
}
static char *
rwm_suffix_massage_patternize( const char *s, const char *p )
{
ber_len_t len;
char *res, *ptr;
len = strlen( p );
if ( s[ 0 ] == '\0' ) {
len++;
}
res = ch_calloc( sizeof( char ), len + STRLENOF( "%1" ) + 1 );
if ( res == NULL ) {
return NULL;
}
ptr = lutil_strcopy( res, ( p[0] == '\0' ? "%2" : "%1" ) );
if ( s[ 0 ] == '\0' ) {
ptr[ 0 ] = ',';
ptr++;
}
lutil_strcopy( ptr, p );
return res;
}
int
rwm_suffix_massage_config(
struct rewrite_info *info,
struct berval *pvnc,
struct berval *nvnc,
struct berval *prnc,
struct berval *nrnc
)
{
char *rargv[ 5 ];
int line = 0;
rargv[ 0 ] = "rewriteEngine";
rargv[ 1 ] = "on";
rargv[ 2 ] = NULL;
rewrite_parse( info, "<suffix massage>", ++line, 2, rargv );
rargv[ 0 ] = "rewriteContext";
rargv[ 1 ] = "default";
rargv[ 2 ] = NULL;
rewrite_parse( info, "<suffix massage>", ++line, 2, rargv );
rargv[ 0 ] = "rewriteRule";
rargv[ 1 ] = rwm_suffix_massage_regexize( pvnc->bv_val );
rargv[ 2 ] = rwm_suffix_massage_patternize( pvnc->bv_val, prnc->bv_val );
rargv[ 3 ] = ":";
rargv[ 4 ] = NULL;
rewrite_parse( info, "<suffix massage>", ++line, 4, rargv );
ch_free( rargv[ 1 ] );
ch_free( rargv[ 2 ] );
if ( BER_BVISEMPTY( pvnc ) ) {
rargv[ 0 ] = "rewriteRule";
rargv[ 1 ] = "^$";
rargv[ 2 ] = prnc->bv_val;
rargv[ 3 ] = ":";
rargv[ 4 ] = NULL;
rewrite_parse( info, "<suffix massage>", ++line, 4, rargv );
}
rargv[ 0 ] = "rewriteContext";
rargv[ 1 ] = "searchEntryDN";
rargv[ 2 ] = NULL;
rewrite_parse( info, "<suffix massage>", ++line, 2, rargv );
rargv[ 0 ] = "rewriteRule";
rargv[ 1 ] = rwm_suffix_massage_regexize( prnc->bv_val );
rargv[ 2 ] = rwm_suffix_massage_patternize( prnc->bv_val, pvnc->bv_val );
rargv[ 3 ] = ":";
rargv[ 4 ] = NULL;
rewrite_parse( info, "<suffix massage>", ++line, 4, rargv );
ch_free( rargv[ 1 ] );
ch_free( rargv[ 2 ] );
if ( BER_BVISEMPTY( prnc ) ) {
rargv[ 0 ] = "rewriteRule";
rargv[ 1 ] = "^$";
rargv[ 2 ] = pvnc->bv_val;
rargv[ 3 ] = ":";
rargv[ 4 ] = NULL;
rewrite_parse( info, "<suffix massage>", ++line, 4, rargv );
}
rargv[ 0 ] = "rewriteContext";
rargv[ 1 ] = "matchedDN";
rargv[ 2 ] = "alias";
rargv[ 3 ] = "searchEntryDN";
rargv[ 4 ] = NULL;
rewrite_parse( info, "<suffix massage>", ++line, 4, rargv );
#ifdef RWM_REFERRAL_REWRITE
/* FIXME: we don't want this on by default, do we? */
rargv[ 0 ] = "rewriteContext";
rargv[ 1 ] = "referralDN";
rargv[ 2 ] = "alias";
rargv[ 3 ] = "searchEntryDN";
rargv[ 4 ] = NULL;
rewrite_parse( info, "<suffix massage>", ++line, 4, rargv );
#else /* ! RWM_REFERRAL_REWRITE */
rargv[ 0 ] = "rewriteContext";
rargv[ 1 ] = "referralAttrDN";
rargv[ 2 ] = NULL;
rewrite_parse( info, "<suffix massage>", ++line, 2, rargv );
rargv[ 0 ] = "rewriteContext";
rargv[ 1 ] = "referralDN";
rargv[ 2 ] = NULL;
rewrite_parse( info, "<suffix massage>", ++line, 2, rargv );
#endif /* ! RWM_REFERRAL_REWRITE */
rargv[ 0 ] = "rewriteContext";
rargv[ 1 ] = "searchAttrDN";
rargv[ 2 ] = "alias";
rargv[ 3 ] = "searchEntryDN";
rargv[ 4 ] = NULL;
rewrite_parse( info, "<suffix massage>", ++line, 4, rargv );
return 0;
}
#endif /* SLAPD_OVER_RWM */
|