2 * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
3 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
6 * Copyright (c) 1993, 1994 Regents of the University of Michigan.
9 * Redistribution and use in source and binary forms are permitted
10 * provided that this notice is preserved and that due credit is given
11 * to the University of Michigan at Ann Arbor. The name of the University
12 * may not be used to endorse or promote products derived from this
13 * software without specific prior written permission. This software
14 * is provided ``as is'' without express or implied warranty.
16 * searchpref.c: search preferences library routines for LDAP clients
17 * 17 May 1994 by Gordon Good
24 #include <ac/stdlib.h>
27 #include <ac/string.h>
29 #include <ac/unistd.h>
31 #ifdef HAVE_SYS_FILE_H
40 static void free_searchobj LDAP_P(( struct ldap_searchobj *so ));
41 static int read_next_searchobj LDAP_P(( char **bufp, ber_len_t *blenp,
42 struct ldap_searchobj **sop, int soversion ));
45 static const char *const sobjoptions[] = {
51 static const unsigned long sobjoptvals[] = {
52 LDAP_SEARCHOBJ_OPT_INTERNAL,
57 ldap_init_searchprefs( char *file, struct ldap_searchobj **solistp )
64 if (( fp = fopen( file, "r" )) == NULL ) {
65 return( LDAP_SEARCHPREF_ERR_FILE );
68 if ( fseek( fp, 0L, SEEK_END ) != 0 ) { /* move to end to get len */
70 return( LDAP_SEARCHPREF_ERR_FILE );
75 if ( fseek( fp, 0L, SEEK_SET ) != 0 ) { /* back to start of file */
77 return( LDAP_SEARCHPREF_ERR_FILE );
80 if (( buf = LDAP_MALLOC( (size_t)len )) == NULL ) {
82 return( LDAP_SEARCHPREF_ERR_MEM );
85 rlen = fread( buf, 1, (size_t)len, fp );
89 if ( rlen != len && !eof ) { /* error: didn't get the whole file */
91 return( LDAP_SEARCHPREF_ERR_FILE );
94 rc = ldap_init_searchprefs_buf( buf, rlen, solistp );
102 ldap_init_searchprefs_buf(
105 struct ldap_searchobj **solistp )
107 int rc = -1, version;
109 struct ldap_searchobj *prevso, *so;
111 *solistp = prevso = NULL;
113 if ( next_line_tokens( &buf, &buflen, &toks ) != 2 ||
114 strcasecmp( toks[ 0 ], "version" ) != 0 ) {
115 free_strarray( toks );
116 return( LDAP_SEARCHPREF_ERR_SYNTAX );
118 version = atoi( toks[ 1 ] );
119 free_strarray( toks );
120 if ( version != LDAP_SEARCHPREF_VERSION &&
121 version != LDAP_SEARCHPREF_VERSION_ZERO ) {
122 return( LDAP_SEARCHPREF_ERR_VERSION );
125 while ( buflen > 0 && ( rc = read_next_searchobj( &buf, &buflen, &so,
126 version )) == 0 && so != NULL ) {
127 if ( prevso == NULL ) {
130 prevso->so_next = so;
136 ldap_free_searchprefs( *solistp );
145 ldap_free_searchprefs( struct ldap_searchobj *solist )
147 struct ldap_searchobj *so, *nextso;
149 if ( solist != NULL ) {
150 for ( so = solist; so != NULL; so = nextso ) {
151 nextso = so->so_next;
152 free_searchobj( so );
155 /* XXX XXX need to do some work here */
160 free_searchobj( struct ldap_searchobj *so )
163 if ( so->so_objtypeprompt != NULL ) {
164 LDAP_FREE( so->so_objtypeprompt );
166 if ( so->so_prompt != NULL ) {
167 LDAP_FREE( so->so_prompt );
169 if ( so->so_filterprefix != NULL ) {
170 LDAP_FREE( so->so_filterprefix );
172 if ( so->so_filtertag != NULL ) {
173 LDAP_FREE( so->so_filtertag );
175 if ( so->so_defaultselectattr != NULL ) {
176 LDAP_FREE( so->so_defaultselectattr );
178 if ( so->so_defaultselecttext != NULL ) {
179 LDAP_FREE( so->so_defaultselecttext );
181 if ( so->so_salist != NULL ) {
182 struct ldap_searchattr *sa, *nextsa;
183 for ( sa = so->so_salist; sa != NULL; sa = nextsa ) {
184 nextsa = sa->sa_next;
185 if ( sa->sa_attrlabel != NULL ) {
186 LDAP_FREE( sa->sa_attrlabel );
188 if ( sa->sa_attr != NULL ) {
189 LDAP_FREE( sa->sa_attr );
191 if ( sa->sa_selectattr != NULL ) {
192 LDAP_FREE( sa->sa_selectattr );
194 if ( sa->sa_selecttext != NULL ) {
195 LDAP_FREE( sa->sa_selecttext );
200 if ( so->so_smlist != NULL ) {
201 struct ldap_searchmatch *sm, *nextsm;
202 for ( sm = so->so_smlist; sm != NULL; sm = nextsm ) {
203 nextsm = sm->sm_next;
204 if ( sm->sm_matchprompt != NULL ) {
205 LDAP_FREE( sm->sm_matchprompt );
207 if ( sm->sm_filter != NULL ) {
208 LDAP_FREE( sm->sm_filter );
219 struct ldap_searchobj *
220 ldap_first_searchobj( struct ldap_searchobj *solist )
226 struct ldap_searchobj *
227 ldap_next_searchobj( struct ldap_searchobj *solist, struct ldap_searchobj *so )
229 return( so == NULL ? so : so->so_next );
238 struct ldap_searchobj **sop,
243 struct ldap_searchobj *so;
244 struct ldap_searchattr **sa;
245 struct ldap_searchmatch **sm;
250 * Object type prompt comes first
252 if (( tokcnt = next_line_tokens( bufp, blenp, &toks )) != 1 ) {
253 free_strarray( toks );
254 return( tokcnt == 0 ? 0 : LDAP_SEARCHPREF_ERR_SYNTAX );
257 if (( so = (struct ldap_searchobj *)LDAP_CALLOC( 1,
258 sizeof( struct ldap_searchobj ))) == NULL ) {
259 free_strarray( toks );
260 return( LDAP_SEARCHPREF_ERR_MEM );
262 so->so_objtypeprompt = toks[ 0 ];
263 LDAP_FREE( (char *)toks );
266 * if this is post-version zero, options come next
268 if ( soversion > LDAP_SEARCHPREF_VERSION_ZERO ) {
269 if (( tokcnt = next_line_tokens( bufp, blenp, &toks )) < 1 ) {
270 free_strarray( toks );
271 ldap_free_searchprefs( so );
272 return( LDAP_SEARCHPREF_ERR_SYNTAX );
274 for ( i = 0; toks[ i ] != NULL; ++i ) {
275 for ( j = 0; sobjoptions[ j ] != NULL; ++j ) {
276 if ( strcasecmp( toks[ i ], sobjoptions[ j ] ) == 0 ) {
277 so->so_options |= sobjoptvals[ j ];
281 free_strarray( toks );
285 * "Fewer choices" prompt is next
287 if (( tokcnt = next_line_tokens( bufp, blenp, &toks )) != 1 ) {
288 free_strarray( toks );
289 ldap_free_searchprefs( so );
290 return( LDAP_SEARCHPREF_ERR_SYNTAX );
292 so->so_prompt = toks[ 0 ];
293 LDAP_FREE( (char *)toks );
296 * Filter prefix for "More Choices" searching is next
298 if (( tokcnt = next_line_tokens( bufp, blenp, &toks )) != 1 ) {
299 free_strarray( toks );
300 ldap_free_searchprefs( so );
301 return( LDAP_SEARCHPREF_ERR_SYNTAX );
303 so->so_filterprefix = toks[ 0 ];
304 LDAP_FREE( (char *)toks );
307 * "Fewer Choices" filter tag comes next
309 if (( tokcnt = next_line_tokens( bufp, blenp, &toks )) != 1 ) {
310 free_strarray( toks );
311 ldap_free_searchprefs( so );
312 return( LDAP_SEARCHPREF_ERR_SYNTAX );
314 so->so_filtertag = toks[ 0 ];
315 LDAP_FREE( (char *)toks );
318 * Selection (disambiguation) attribute comes next
320 if (( tokcnt = next_line_tokens( bufp, blenp, &toks )) != 1 ) {
321 free_strarray( toks );
322 ldap_free_searchprefs( so );
323 return( LDAP_SEARCHPREF_ERR_SYNTAX );
325 so->so_defaultselectattr = toks[ 0 ];
326 LDAP_FREE( (char *)toks );
329 * Label for selection (disambiguation) attribute
331 if (( tokcnt = next_line_tokens( bufp, blenp, &toks )) != 1 ) {
332 free_strarray( toks );
333 ldap_free_searchprefs( so );
334 return( LDAP_SEARCHPREF_ERR_SYNTAX );
336 so->so_defaultselecttext = toks[ 0 ];
337 LDAP_FREE( (char *)toks );
340 * Search scope is next
342 if (( tokcnt = next_line_tokens( bufp, blenp, &toks )) != 1 ) {
343 free_strarray( toks );
344 ldap_free_searchprefs( so );
345 return( LDAP_SEARCHPREF_ERR_SYNTAX );
347 if ( !strcasecmp(toks[ 0 ], "subtree" )) {
348 so->so_defaultscope = LDAP_SCOPE_SUBTREE;
349 } else if ( !strcasecmp(toks[ 0 ], "onelevel" )) {
350 so->so_defaultscope = LDAP_SCOPE_ONELEVEL;
351 } else if ( !strcasecmp(toks[ 0 ], "base" )) {
352 so->so_defaultscope = LDAP_SCOPE_BASE;
354 ldap_free_searchprefs( so );
355 return( LDAP_SEARCHPREF_ERR_SYNTAX );
357 free_strarray( toks );
361 * "More Choices" search option list comes next
363 sa = &( so->so_salist );
364 while (( tokcnt = next_line_tokens( bufp, blenp, &toks )) > 0 ) {
366 free_strarray( toks );
367 ldap_free_searchprefs( so );
368 return( LDAP_SEARCHPREF_ERR_SYNTAX );
370 if (( *sa = ( struct ldap_searchattr * ) LDAP_CALLOC( 1,
371 sizeof( struct ldap_searchattr ))) == NULL ) {
372 free_strarray( toks );
373 ldap_free_searchprefs( so );
374 return( LDAP_SEARCHPREF_ERR_MEM );
376 ( *sa )->sa_attrlabel = toks[ 0 ];
377 ( *sa )->sa_attr = toks[ 1 ];
378 ( *sa )->sa_selectattr = toks[ 3 ];
379 ( *sa )->sa_selecttext = toks[ 4 ];
380 /* Deal with bitmap */
381 ( *sa )->sa_matchtypebitmap = 0;
382 for ( i = strlen( toks[ 2 ] ) - 1, j = 0; i >= 0; i--, j++ ) {
383 if ( toks[ 2 ][ i ] == '1' ) {
384 ( *sa )->sa_matchtypebitmap |= (1 << j);
387 LDAP_FREE( toks[ 2 ] );
388 LDAP_FREE( ( char * ) toks );
389 sa = &(( *sa )->sa_next);
394 * Match types are last
396 sm = &( so->so_smlist );
397 while (( tokcnt = next_line_tokens( bufp, blenp, &toks )) > 0 ) {
399 free_strarray( toks );
400 ldap_free_searchprefs( so );
401 return( LDAP_SEARCHPREF_ERR_SYNTAX );
403 if (( *sm = ( struct ldap_searchmatch * ) LDAP_CALLOC( 1,
404 sizeof( struct ldap_searchmatch ))) == NULL ) {
405 free_strarray( toks );
406 ldap_free_searchprefs( so );
407 return( LDAP_SEARCHPREF_ERR_MEM );
409 ( *sm )->sm_matchprompt = toks[ 0 ];
410 ( *sm )->sm_filter = toks[ 1 ];
411 LDAP_FREE( ( char * ) toks );
412 sm = &(( *sm )->sm_next );