1 /* $NetBSD: ldifutil.c,v 1.2 2021/08/14 16:14:56 christos Exp $ */
2
3 /* $OpenLDAP$ */
4 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 *
6 * Copyright 1998-2021 The OpenLDAP Foundation.
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted only as authorized by the OpenLDAP
11 * Public License.
12 *
13 * A copy of this license is available in the file LICENSE in the
14 * top-level directory of the distribution or, alternatively, at
15 * <http://www.OpenLDAP.org/license.html>.
16 */
17 /* Portions Copyright (c) 1990 Regents of the University of Michigan.
18 * All rights reserved.
19 */
20
21 /*
22 * This file contains public API to help with parsing LDIF
23 */
24
25 #include <sys/cdefs.h>
26 __RCSID("$NetBSD: ldifutil.c,v 1.2 2021/08/14 16:14:56 christos Exp $");
27
28 #include "portable.h"
29
30 #include <stdio.h>
31
32 #include <ac/stdlib.h>
33 #include <ac/ctype.h>
34 #include <ac/string.h>
35 #include <ac/unistd.h>
36 #include <ac/socket.h>
37 #include <ac/time.h>
38
39 #include "ldap-int.h"
40 #include "ldif.h"
41
42 #define M_SEP 0x7f
43
44 /* strings found in LDIF entries */
45 static struct berval BV_VERSION = BER_BVC("version");
46 static struct berval BV_DN = BER_BVC("dn");
47 static struct berval BV_CONTROL = BER_BVC("control");
48 static struct berval BV_CHANGETYPE = BER_BVC("changetype");
49 static struct berval BV_ADDCT = BER_BVC("add");
50 static struct berval BV_MODIFYCT = BER_BVC("modify");
51 static struct berval BV_DELETECT = BER_BVC("delete");
52 static struct berval BV_MODRDNCT = BER_BVC("modrdn");
53 static struct berval BV_MODDNCT = BER_BVC("moddn");
54 static struct berval BV_RENAMECT = BER_BVC("rename");
55 static struct berval BV_MODOPADD = BER_BVC("add");
56 static struct berval BV_MODOPREPLACE = BER_BVC("replace");
57 static struct berval BV_MODOPDELETE = BER_BVC("delete");
58 static struct berval BV_MODOPINCREMENT = BER_BVC("increment");
59 static struct berval BV_NEWRDN = BER_BVC("newrdn");
60 static struct berval BV_DELETEOLDRDN = BER_BVC("deleteoldrdn");
61 static struct berval BV_NEWSUP = BER_BVC("newsuperior");
62
63 #define BV_CASEMATCH(a, b) \
64 ((a)->bv_len == (b)->bv_len && 0 == strcasecmp((a)->bv_val, (b)->bv_val))
65
66 static int parse_ldif_control LDAP_P(( struct berval *bval, LDAPControl ***ppctrls ));
67
68 void
ldap_ldif_record_done(LDIFRecord * lr)69 ldap_ldif_record_done( LDIFRecord *lr )
70 {
71 int i;
72
73 /* the LDAPControl stuff does not allow the use of memory contexts */
74 if (lr->lr_ctrls != NULL) {
75 ldap_controls_free( lr->lr_ctrls );
76 }
77 if ( lr->lr_lm != NULL ) {
78 ber_memfree_x( lr->lr_lm, lr->lr_ctx );
79 }
80 if ( lr->lr_mops != NULL ) {
81 ber_memfree_x( lr->lr_mops, lr->lr_ctx );
82 }
83 for (i=lr->lr_lines-1; i>=0; i--)
84 if ( lr->lr_freeval[i] ) ber_memfree_x( lr->lr_vals[i].bv_val, lr->lr_ctx );
85 ber_memfree_x( lr->lr_btype, lr->lr_ctx );
86
87 memset( lr, 0, sizeof(LDIFRecord) );
88 }
89
90 /*
91 * ldap_parse_ldif_record_x() will convert an LDIF record read with ldif_read_record()
92 * into an array of LDAPMod* and an array of LDAPControl*, suitable for passing
93 * directly to any other LDAP API function that takes LDAPMod** and LDAPControl**
94 * arguments, such as ldap_modify_s().
95 *
96 * rbuf - the ldif record buffer returned from ldif_read_record - rbuf.bv_val must be
97 * writable - will use ldif_getline to read from it
98 * linenum - the ldif line number returned from ldif_read_record
99 * - used for logging errors (e.g. error at line N)
100 * lr - holds the data to return
101 * errstr - a string used for logging (usually the program name e.g. "ldapmodify"
102 * flags - 0 or some combination of LDIF_DEFAULT_ADD LDIF_ENTRIES_ONLY LDIF_NO_CONTROLS
103 * ctx is the memory allocation context - if NULL, use the standard memory allocator
104 */
105 int
ldap_parse_ldif_record_x(struct berval * rbuf,unsigned long linenum,LDIFRecord * lr,const char * errstr,unsigned int flags,void * ctx)106 ldap_parse_ldif_record_x(
107 struct berval *rbuf,
108 unsigned long linenum,
109 LDIFRecord *lr,
110 const char *errstr,
111 unsigned int flags,
112 void *ctx )
113 {
114 char *line, *dn;
115 int rc, modop;
116 int expect_modop, expect_sep;
117 int ldapadd, new_entry, delete_entry, got_all, no_dn;
118 LDAPMod **pmods;
119 int version;
120 LDAPControl **pctrls;
121 int i, j, k, idn, nmods;
122 struct berval **bvl, bv;
123
124 assert( lr != NULL );
125 assert( rbuf != NULL );
126 memset( lr, 0, sizeof(LDIFRecord) );
127 lr->lr_ctx = ctx; /* save memory context for later */
128 ldapadd = flags & LDIF_DEFAULT_ADD;
129 no_dn = flags & LDIF_NO_DN;
130 expect_modop = flags & LDIF_MODS_ONLY;
131 new_entry = ldapadd;
132
133 rc = got_all = delete_entry = modop = 0;
134 expect_sep = 0;
135 version = 0;
136 pmods = NULL;
137 pctrls = NULL;
138 dn = NULL;
139
140 lr->lr_lines = ldif_countlines( rbuf->bv_val );
141 lr->lr_btype = ber_memcalloc_x( 1, (lr->lr_lines+1)*2*sizeof(struct berval)+lr->lr_lines, ctx );
142 if ( !lr->lr_btype )
143 return LDAP_NO_MEMORY;
144
145 lr->lr_vals = lr->lr_btype+lr->lr_lines+1;
146 lr->lr_freeval = (char *)(lr->lr_vals+lr->lr_lines+1);
147 i = -1;
148
149 while ( rc == 0 && ( line = ldif_getline( &rbuf->bv_val )) != NULL ) {
150 int freev;
151
152 if ( *line == '\n' || *line == '\0' ) {
153 break;
154 }
155
156 ++i;
157
158 if ( line[0] == '-' && !line[1] ) {
159 BER_BVZERO( lr->lr_btype+i );
160 lr->lr_freeval[i] = 0;
161 continue;
162 }
163
164 if ( ( rc = ldif_parse_line2( line, lr->lr_btype+i, lr->lr_vals+i, &freev ) ) < 0 ) {
165 fprintf( stderr, _("%s: invalid format (line %lu) entry: \"%s\"\n"),
166 errstr, linenum+i, dn == NULL ? "" : dn );
167 rc = LDAP_PARAM_ERROR;
168 goto leave;
169 }
170 lr->lr_freeval[i] = freev;
171
172 if ( dn == NULL && !no_dn ) {
173 if ( linenum+i == 1 && BV_CASEMATCH( lr->lr_btype+i, &BV_VERSION )) {
174 /* lutil_atoi() introduces a dependence of libldap
175 * on liblutil; we only allow version 1 by now (ITS#6654)
176 */
177 #if 0
178 int v;
179 if( lr->lr_vals[i].bv_len == 0 || lutil_atoi( &v, lr->lr_vals[i].bv_val) != 0 || v != 1 )
180 #endif
181 static const struct berval version1 = { 1, "1" };
182 if ( lr->lr_vals[i].bv_len != version1.bv_len || strncmp( lr->lr_vals[i].bv_val, version1.bv_val, version1.bv_len ) != 0 )
183 {
184 fprintf( stderr,
185 _("%s: invalid version %s, line %lu (ignored)\n"),
186 errstr, lr->lr_vals[i].bv_val, linenum );
187 }
188 version++;
189
190 } else if ( BV_CASEMATCH( lr->lr_btype+i, &BV_DN )) {
191 lr->lr_dn = lr->lr_vals[i];
192 dn = lr->lr_dn.bv_val; /* primarily for logging */
193 idn = i;
194 }
195 /* skip all lines until we see "dn:" */
196 }
197 }
198
199 /* check to make sure there was a dn: line */
200 if ( !dn && !no_dn ) {
201 rc = 0;
202 goto leave;
203 }
204
205 lr->lr_lines = i+1;
206
207 if( lr->lr_lines == 0 ) {
208 rc = 0;
209 goto leave;
210 }
211
212 if( version && lr->lr_lines == 1 ) {
213 rc = 0;
214 goto leave;
215 }
216
217 if ( no_dn ) {
218 i = 0;
219 } else {
220 i = idn+1;
221 /* Check for "control" tag after dn and before changetype. */
222 if ( BV_CASEMATCH( lr->lr_btype+i, &BV_CONTROL )) {
223 /* Parse and add it to the list of controls */
224 if ( !( flags & LDIF_NO_CONTROLS ) ) {
225 rc = parse_ldif_control( lr->lr_vals+i, &pctrls );
226 if (rc != 0) {
227 fprintf( stderr,
228 _("%s: Error processing %s line, line %lu: %s\n"),
229 errstr, BV_CONTROL.bv_val, linenum+i, ldap_err2string(rc) );
230 }
231 }
232 i++;
233 if ( i>= lr->lr_lines ) {
234 short_input:
235 fprintf( stderr,
236 _("%s: Expecting more input after %s line, line %lu\n"),
237 errstr, lr->lr_btype[i-1].bv_val, linenum+i );
238
239 rc = LDAP_PARAM_ERROR;
240 goto leave;
241 }
242 }
243 }
244
245 /* Check for changetype */
246 if ( BV_CASEMATCH( lr->lr_btype+i, &BV_CHANGETYPE )) {
247 #ifdef LIBERAL_CHANGETYPE_MODOP
248 /* trim trailing spaces (and log warning ...) */
249 int icnt;
250 for ( icnt = lr->lr_vals[i].bv_len; --icnt > 0; ) {
251 if ( !isspace( (unsigned char) lr->lr_vals[i].bv_val[icnt] ) ) {
252 break;
253 }
254 }
255
256 if ( ++icnt != lr->lr_vals[i].bv_len ) {
257 fprintf( stderr, _("%s: illegal trailing space after"
258 " \"%s: %s\" trimmed (line %lu, entry \"%s\")\n"),
259 errstr, BV_CHANGETYPE.bv_val, lr->lr_vals[i].bv_val, linenum+i, dn );
260 lr->lr_vals[i].bv_val[icnt] = '\0';
261 }
262 #endif /* LIBERAL_CHANGETYPE_MODOP */
263
264 /* if LDIF_ENTRIES_ONLY, then either the changetype must be add, or
265 there must be no changetype, and the flag LDIF_DEFAULT_ADD must be set */
266 if ( flags & LDIF_ENTRIES_ONLY ) {
267 if ( !( BV_CASEMATCH( lr->lr_vals+i, &BV_ADDCT )) ) {
268 ber_pvt_log_printf( LDAP_DEBUG_ANY, ldif_debug,
269 _("%s: skipping LDIF record beginning at line %lu: "
270 "changetype '%.*s' found but entries only was requested\n"),
271 errstr, linenum,
272 (int)lr->lr_vals[i].bv_len,
273 (const char *)lr->lr_vals[i].bv_val );
274 goto leave;
275 }
276 }
277
278 if ( BV_CASEMATCH( lr->lr_vals+i, &BV_MODIFYCT )) {
279 new_entry = 0;
280 expect_modop = 1;
281 } else if ( BV_CASEMATCH( lr->lr_vals+i, &BV_ADDCT )) {
282 new_entry = 1;
283 modop = LDAP_MOD_ADD;
284 } else if ( BV_CASEMATCH( lr->lr_vals+i, &BV_MODRDNCT )
285 || BV_CASEMATCH( lr->lr_vals+i, &BV_MODDNCT )
286 || BV_CASEMATCH( lr->lr_vals+i, &BV_RENAMECT ))
287 {
288 i++;
289 if ( i >= lr->lr_lines )
290 goto short_input;
291 if ( !BV_CASEMATCH( lr->lr_btype+i, &BV_NEWRDN )) {
292 fprintf( stderr, _("%s: expecting \"%s:\" but saw"
293 " \"%s:\" (line %lu, entry \"%s\")\n"),
294 errstr, BV_NEWRDN.bv_val, lr->lr_btype[i].bv_val, linenum+i, dn );
295 rc = LDAP_PARAM_ERROR;
296 goto leave;
297 }
298 lr->lrop_newrdn = lr->lr_vals[i];
299 i++;
300 if ( i >= lr->lr_lines )
301 goto short_input;
302 if ( !BV_CASEMATCH( lr->lr_btype+i, &BV_DELETEOLDRDN )) {
303 fprintf( stderr, _("%s: expecting \"%s:\" but saw"
304 " \"%s:\" (line %lu, entry \"%s\")\n"),
305 errstr, BV_DELETEOLDRDN.bv_val, lr->lr_btype[i].bv_val, linenum+i, dn );
306 rc = LDAP_PARAM_ERROR;
307 goto leave;
308 }
309 lr->lrop_delold = ( lr->lr_vals[i].bv_val[0] == '0' ) ? 0 : 1;
310 i++;
311 if ( i < lr->lr_lines ) {
312 if ( !BV_CASEMATCH( lr->lr_btype+i, &BV_NEWSUP )) {
313 fprintf( stderr, _("%s: expecting \"%s:\" but saw"
314 " \"%s:\" (line %lu, entry \"%s\")\n"),
315 errstr, BV_NEWSUP.bv_val, lr->lr_btype[i].bv_val, linenum+i, dn );
316 rc = LDAP_PARAM_ERROR;
317 goto leave;
318 }
319 lr->lrop_newsup = lr->lr_vals[i];
320 i++;
321 }
322 got_all = 1;
323 } else if ( BV_CASEMATCH( lr->lr_vals+i, &BV_DELETECT )) {
324 got_all = delete_entry = 1;
325 } else {
326 fprintf( stderr,
327 _("%s: unknown %s \"%s\" (line %lu, entry \"%s\")\n"),
328 errstr, BV_CHANGETYPE.bv_val, lr->lr_vals[i].bv_val, linenum+i, dn );
329 rc = LDAP_PARAM_ERROR;
330 goto leave;
331 }
332 i++;
333 } else if ( ldapadd ) { /* missing changetype => add */
334 new_entry = 1;
335 modop = LDAP_MOD_ADD;
336 } else {
337 /* if LDIF_ENTRIES_ONLY, then either the changetype must be add, or
338 there must be no changetype, and the flag LDIF_DEFAULT_ADD must be set */
339 if ( flags & LDIF_ENTRIES_ONLY ) {
340 ber_pvt_log_printf( LDAP_DEBUG_ANY, ldif_debug,
341 _("%s: skipping LDIF record beginning at line %lu: "
342 "no changetype found but entries only was requested and "
343 "the default setting for missing changetype is modify\n"),
344 errstr, linenum );
345 goto leave;
346 }
347 expect_modop = 1; /* missing changetype => modify */
348 }
349
350 if ( got_all ) {
351 if ( i < lr->lr_lines ) {
352 fprintf( stderr,
353 _("%s: extra lines at end (line %lu, entry \"%s\")\n"),
354 errstr, linenum+i, dn );
355 rc = LDAP_PARAM_ERROR;
356 goto leave;
357 }
358 goto doit;
359 }
360
361 nmods = lr->lr_lines - i;
362 idn = i;
363
364 if ( new_entry ) {
365 int fv;
366
367 /* Make sure all attributes with multiple values are contiguous */
368 for (; i<lr->lr_lines; i++) {
369 for (j=i+1; j<lr->lr_lines; j++) {
370 if ( !lr->lr_btype[j].bv_val ) {
371 fprintf( stderr,
372 _("%s: missing attributeDescription (line %lu, entry \"%s\")\n"),
373 errstr, linenum+j, dn );
374 rc = LDAP_PARAM_ERROR;
375 goto leave;
376 }
377 if ( BV_CASEMATCH( lr->lr_btype+i, lr->lr_btype+j )) {
378 nmods--;
379 /* out of order, move intervening attributes down */
380 if ( j != i+1 ) {
381 bv = lr->lr_vals[j];
382 fv = lr->lr_freeval[j];
383 for (k=j; k>i; k--) {
384 lr->lr_btype[k] = lr->lr_btype[k-1];
385 lr->lr_vals[k] = lr->lr_vals[k-1];
386 lr->lr_freeval[k] = lr->lr_freeval[k-1];
387 }
388 k++;
389 lr->lr_btype[k] = lr->lr_btype[i];
390 lr->lr_vals[k] = bv;
391 lr->lr_freeval[k] = fv;
392 }
393 i++;
394 }
395 }
396 }
397 /* Allocate space for array of mods, array of pointers to mods,
398 * and array of pointers to values, allowing for NULL terminators
399 * for the pointer arrays...
400 */
401 lr->lr_lm = ber_memalloc_x( nmods * sizeof(LDAPMod) +
402 (nmods+1) * sizeof(LDAPMod*) +
403 (lr->lr_lines + nmods - idn) * sizeof(struct berval *), ctx );
404 if ( lr->lr_lm == NULL ) {
405 rc = LDAP_NO_MEMORY;
406 goto leave;
407 }
408
409 pmods = (LDAPMod **)(lr->lr_lm+nmods);
410 bvl = (struct berval **)(pmods+nmods+1);
411
412 j = 0;
413 k = -1;
414 BER_BVZERO(&bv);
415 for (i=idn; i<lr->lr_lines; i++) {
416 if ( BV_CASEMATCH( lr->lr_btype+i, &BV_DN )) {
417 fprintf( stderr, _("%s: attributeDescription \"%s\":"
418 " (possible missing newline"
419 " after line %lu, entry \"%s\"?)\n"),
420 errstr, lr->lr_btype[i].bv_val, linenum+i - 1, dn );
421 }
422 if ( !BV_CASEMATCH( lr->lr_btype+i, &bv )) {
423 bvl[k++] = NULL;
424 bv = lr->lr_btype[i];
425 lr->lr_lm[j].mod_op = LDAP_MOD_ADD | LDAP_MOD_BVALUES;
426 lr->lr_lm[j].mod_type = bv.bv_val;
427 lr->lr_lm[j].mod_bvalues = bvl+k;
428 pmods[j] = lr->lr_lm+j;
429 j++;
430 }
431 bvl[k++] = lr->lr_vals+i;
432 }
433 bvl[k] = NULL;
434 pmods[j] = NULL;
435 goto doit;
436 }
437
438 lr->lr_mops = ber_memalloc_x( lr->lr_lines+1, ctx );
439 if ( lr->lr_mops == NULL ) {
440 rc = LDAP_NO_MEMORY;
441 goto leave;
442 }
443
444 lr->lr_mops[lr->lr_lines] = M_SEP;
445 if ( i > 0 )
446 lr->lr_mops[i-1] = M_SEP;
447
448 for ( ; i<lr->lr_lines; i++ ) {
449 if ( expect_modop ) {
450 #ifdef LIBERAL_CHANGETYPE_MODOP
451 /* trim trailing spaces (and log warning ...) */
452 int icnt;
453 for ( icnt = lr->lr_vals[i].bv_len; --icnt > 0; ) {
454 if ( !isspace( (unsigned char) lr->lr_vals[i].bv_val[icnt] ) ) break;
455 }
456
457 if ( ++icnt != lr->lr_vals[i].bv_len ) {
458 fprintf( stderr, _("%s: illegal trailing space after"
459 " \"%s: %s\" trimmed (line %lu, entry \"%s\")\n"),
460 errstr, type, lr->lr_vals[i].bv_val, linenum+i, dn );
461 lr->lr_vals[i].bv_val[icnt] = '\0';
462 }
463 #endif /* LIBERAL_CHANGETYPE_MODOP */
464
465 expect_modop = 0;
466 expect_sep = 1;
467 if ( BV_CASEMATCH( lr->lr_btype+i, &BV_MODOPADD )) {
468 modop = LDAP_MOD_ADD;
469 lr->lr_mops[i] = M_SEP;
470 nmods--;
471 } else if ( BV_CASEMATCH( lr->lr_btype+i, &BV_MODOPREPLACE )) {
472 /* defer handling these since they might have no values.
473 * Use the BVALUES flag to signal that these were
474 * deferred. If values are provided later, this
475 * flag will be switched off.
476 */
477 modop = LDAP_MOD_REPLACE;
478 lr->lr_mops[i] = modop | LDAP_MOD_BVALUES;
479 lr->lr_btype[i] = lr->lr_vals[i];
480 } else if ( BV_CASEMATCH( lr->lr_btype+i, &BV_MODOPDELETE )) {
481 modop = LDAP_MOD_DELETE;
482 lr->lr_mops[i] = modop | LDAP_MOD_BVALUES;
483 lr->lr_btype[i] = lr->lr_vals[i];
484 } else if ( BV_CASEMATCH( lr->lr_btype+i, &BV_MODOPINCREMENT )) {
485 modop = LDAP_MOD_INCREMENT;
486 lr->lr_mops[i] = M_SEP;
487 nmods--;
488 } else { /* no modify op: invalid LDIF */
489 fprintf( stderr, _("%s: modify operation type is missing at"
490 " line %lu, entry \"%s\"\n"),
491 errstr, linenum+i, dn );
492 rc = LDAP_PARAM_ERROR;
493 goto leave;
494 }
495 bv = lr->lr_vals[i];
496 } else if ( expect_sep && BER_BVISEMPTY( lr->lr_btype+i )) {
497 lr->lr_mops[i] = M_SEP;
498 expect_sep = 0;
499 expect_modop = 1;
500 nmods--;
501 } else {
502 if ( !BV_CASEMATCH( lr->lr_btype+i, &bv )) {
503 fprintf( stderr, _("%s: wrong attributeType at"
504 " line %lu, entry \"%s\"\n"),
505 errstr, linenum+i, dn );
506 rc = LDAP_PARAM_ERROR;
507 goto leave;
508 }
509 lr->lr_mops[i] = modop;
510 /* If prev op was deferred and matches this type,
511 * clear the flag
512 */
513 if ( (lr->lr_mops[i-1] & LDAP_MOD_BVALUES)
514 && BV_CASEMATCH( lr->lr_btype+i, lr->lr_btype+i-1 ))
515 {
516 lr->lr_mops[i-1] = M_SEP;
517 nmods--;
518 }
519 }
520 }
521
522 /* Allocate space for array of mods, array of pointers to mods,
523 * and array of pointers to values, allowing for NULL terminators
524 * for the pointer arrays...
525 */
526 lr->lr_lm = ber_memalloc_x( nmods * sizeof(LDAPMod) +
527 (nmods+1) * sizeof(LDAPMod*) +
528 (lr->lr_lines + nmods - idn) * sizeof(struct berval *), ctx );
529 if ( lr->lr_lm == NULL ) {
530 rc = LDAP_NO_MEMORY;
531 goto leave;
532 }
533
534 pmods = (LDAPMod **)(lr->lr_lm+nmods);
535 bvl = (struct berval **)(pmods+nmods+1);
536
537 j = 0;
538 k = -1;
539 BER_BVZERO(&bv);
540 if ( idn > 0 )
541 lr->lr_mops[idn-1] = M_SEP;
542 for (i=idn; i<lr->lr_lines; i++) {
543 if ( lr->lr_mops[i] == M_SEP )
544 continue;
545 if ( lr->lr_mops[i] != lr->lr_mops[i-1] || !BV_CASEMATCH( lr->lr_btype+i, &bv )) {
546 bvl[k++] = NULL;
547 bv = lr->lr_btype[i];
548 lr->lr_lm[j].mod_op = lr->lr_mops[i] | LDAP_MOD_BVALUES;
549 lr->lr_lm[j].mod_type = bv.bv_val;
550 if ( lr->lr_mops[i] & LDAP_MOD_BVALUES ) {
551 lr->lr_lm[j].mod_bvalues = NULL;
552 } else {
553 lr->lr_lm[j].mod_bvalues = bvl+k;
554 }
555 pmods[j] = lr->lr_lm+j;
556 j++;
557 }
558 bvl[k++] = lr->lr_vals+i;
559 }
560 bvl[k] = NULL;
561 pmods[j] = NULL;
562
563 doit:
564 /* first, set the common fields */
565 lr->lr_ctrls = pctrls;
566 /* next, set the op */
567 if ( delete_entry ) {
568 lr->lr_op = LDAP_REQ_DELETE;
569 } else if ( lr->lrop_newrdn.bv_val != NULL ) {
570 lr->lr_op = LDAP_REQ_MODDN;
571 } else {
572 /* for now, either add or modify */
573 lr->lrop_mods = pmods;
574 if ( new_entry ) {
575 lr->lr_op = LDAP_REQ_ADD;
576 } else {
577 lr->lr_op = LDAP_REQ_MODIFY;
578 }
579 }
580
581 leave:
582 if ( rc != LDAP_SUCCESS ) {
583 ldap_ldif_record_done( lr );
584 }
585
586 return( rc );
587 }
588
589 /* Same as ldap_parse_ldif_record_x()
590 * public API does not expose memory context
591 */
592 int
ldap_parse_ldif_record(struct berval * rbuf,unsigned long linenum,LDIFRecord * lr,const char * errstr,unsigned int flags)593 ldap_parse_ldif_record(
594 struct berval *rbuf,
595 unsigned long linenum,
596 LDIFRecord *lr,
597 const char *errstr,
598 unsigned int flags )
599 {
600 return ldap_parse_ldif_record_x( rbuf, linenum, lr, errstr, flags, NULL );
601 }
602
603 /* Parse an LDIF control line of the form
604 control: oid [true/false] [: value] or
605 control: oid [true/false] [:: base64-value] or
606 control: oid [true/false] [:< url]
607 The control is added to the list of controls in *ppctrls.
608 */
609 static int
parse_ldif_control(struct berval * bval,LDAPControl *** ppctrls)610 parse_ldif_control(
611 struct berval *bval,
612 LDAPControl ***ppctrls)
613 {
614 char *oid = NULL;
615 int criticality = 0; /* Default is false if not present */
616 int i, rc=0;
617 char *s, *oidStart;
618 LDAPControl *newctrl = NULL;
619 LDAPControl **pctrls = NULL;
620 struct berval type, bv = BER_BVNULL;
621 int freeval = 0;
622
623 if (ppctrls) pctrls = *ppctrls;
624 /* OID should come first. Validate and extract it. */
625 s = bval->bv_val;
626 if (*s == 0) return ( LDAP_PARAM_ERROR );
627 oidStart = s;
628 while (isdigit((unsigned char)*s) || *s == '.') {
629 s++; /* OID should be digits or . */
630 }
631 if (s == oidStart) {
632 return ( LDAP_PARAM_ERROR ); /* OID was not present */
633 }
634 if (*s) { /* End of OID should be space or NULL */
635 if (!isspace((unsigned char)*s)) {
636 return ( LDAP_PARAM_ERROR ); /* else OID contained invalid chars */
637 }
638 *s++ = 0; /* Replace space with null to terminate */
639 }
640
641 oid = ber_strdup(oidStart);
642 if (oid == NULL) return ( LDAP_NO_MEMORY );
643
644 /* Optional Criticality field is next. */
645 while (*s && isspace((unsigned char)*s)) {
646 s++; /* Skip white space before criticality */
647 }
648 if (strncasecmp(s, "true", 4) == 0) {
649 criticality = 1;
650 s += 4;
651 }
652 else if (strncasecmp(s, "false", 5) == 0) {
653 criticality = 0;
654 s += 5;
655 }
656
657 /* Optional value field is next */
658 while (*s && isspace((unsigned char)*s)) {
659 s++; /* Skip white space before value */
660 }
661 if (*s) {
662 if (*s != ':') { /* If value is present, must start with : */
663 rc = LDAP_PARAM_ERROR;
664 goto cleanup;
665 }
666
667 /* Back up so value is in the form
668 a: value
669 a:: base64-value
670 a:< url
671 Then we can use ldif_parse_line2 to extract and decode the value
672 */
673 s--;
674 *s = 'a';
675
676 rc = ldif_parse_line2(s, &type, &bv, &freeval);
677 if (rc < 0) {
678 rc = LDAP_PARAM_ERROR;
679 goto cleanup;
680 }
681 }
682
683 /* Create a new LDAPControl structure. */
684 newctrl = (LDAPControl *)ber_memalloc(sizeof(LDAPControl));
685 if ( newctrl == NULL ) {
686 rc = LDAP_NO_MEMORY;
687 goto cleanup;
688 }
689 newctrl->ldctl_oid = oid;
690 oid = NULL;
691 newctrl->ldctl_iscritical = criticality;
692 if ( freeval )
693 newctrl->ldctl_value = bv;
694 else
695 ber_dupbv( &newctrl->ldctl_value, &bv );
696
697 /* Add the new control to the passed-in list of controls. */
698 i = 0;
699 if (pctrls) {
700 while ( pctrls[i] ) { /* Count the # of controls passed in */
701 i++;
702 }
703 }
704 /* Allocate 1 more slot for the new control and 1 for the NULL. */
705 pctrls = (LDAPControl **) ber_memrealloc(pctrls,
706 (i+2)*(sizeof(LDAPControl *)));
707 if (pctrls == NULL) {
708 rc = LDAP_NO_MEMORY;
709 goto cleanup;
710 }
711 pctrls[i] = newctrl;
712 newctrl = NULL;
713 pctrls[i+1] = NULL;
714 *ppctrls = pctrls;
715
716 cleanup:
717 if (newctrl) {
718 if (newctrl->ldctl_oid) ber_memfree(newctrl->ldctl_oid);
719 if (newctrl->ldctl_value.bv_val) {
720 ber_memfree(newctrl->ldctl_value.bv_val);
721 }
722 ber_memfree(newctrl);
723 }
724 if (oid) ber_memfree(oid);
725
726 return( rc );
727 }
728
729
730