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, long *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 );
235 read_next_searchobj( char **bufp, long *blenp, struct ldap_searchobj **sop,
240 struct ldap_searchobj *so;
241 struct ldap_searchattr **sa;
242 struct ldap_searchmatch **sm;
247 * Object type prompt comes first
249 if (( tokcnt = next_line_tokens( bufp, blenp, &toks )) != 1 ) {
250 free_strarray( toks );
251 return( tokcnt == 0 ? 0 : LDAP_SEARCHPREF_ERR_SYNTAX );
254 if (( so = (struct ldap_searchobj *)LDAP_CALLOC( 1,
255 sizeof( struct ldap_searchobj ))) == NULL ) {
256 free_strarray( toks );
257 return( LDAP_SEARCHPREF_ERR_MEM );
259 so->so_objtypeprompt = toks[ 0 ];
260 LDAP_FREE( (char *)toks );
263 * if this is post-version zero, options come next
265 if ( soversion > LDAP_SEARCHPREF_VERSION_ZERO ) {
266 if (( tokcnt = next_line_tokens( bufp, blenp, &toks )) < 1 ) {
267 free_strarray( toks );
268 ldap_free_searchprefs( so );
269 return( LDAP_SEARCHPREF_ERR_SYNTAX );
271 for ( i = 0; toks[ i ] != NULL; ++i ) {
272 for ( j = 0; sobjoptions[ j ] != NULL; ++j ) {
273 if ( strcasecmp( toks[ i ], sobjoptions[ j ] ) == 0 ) {
274 so->so_options |= sobjoptvals[ j ];
278 free_strarray( toks );
282 * "Fewer choices" prompt is next
284 if (( tokcnt = next_line_tokens( bufp, blenp, &toks )) != 1 ) {
285 free_strarray( toks );
286 ldap_free_searchprefs( so );
287 return( LDAP_SEARCHPREF_ERR_SYNTAX );
289 so->so_prompt = toks[ 0 ];
290 LDAP_FREE( (char *)toks );
293 * Filter prefix for "More Choices" searching is next
295 if (( tokcnt = next_line_tokens( bufp, blenp, &toks )) != 1 ) {
296 free_strarray( toks );
297 ldap_free_searchprefs( so );
298 return( LDAP_SEARCHPREF_ERR_SYNTAX );
300 so->so_filterprefix = toks[ 0 ];
301 LDAP_FREE( (char *)toks );
304 * "Fewer Choices" filter tag comes next
306 if (( tokcnt = next_line_tokens( bufp, blenp, &toks )) != 1 ) {
307 free_strarray( toks );
308 ldap_free_searchprefs( so );
309 return( LDAP_SEARCHPREF_ERR_SYNTAX );
311 so->so_filtertag = toks[ 0 ];
312 LDAP_FREE( (char *)toks );
315 * Selection (disambiguation) attribute comes next
317 if (( tokcnt = next_line_tokens( bufp, blenp, &toks )) != 1 ) {
318 free_strarray( toks );
319 ldap_free_searchprefs( so );
320 return( LDAP_SEARCHPREF_ERR_SYNTAX );
322 so->so_defaultselectattr = toks[ 0 ];
323 LDAP_FREE( (char *)toks );
326 * Label for selection (disambiguation) attribute
328 if (( tokcnt = next_line_tokens( bufp, blenp, &toks )) != 1 ) {
329 free_strarray( toks );
330 ldap_free_searchprefs( so );
331 return( LDAP_SEARCHPREF_ERR_SYNTAX );
333 so->so_defaultselecttext = toks[ 0 ];
334 LDAP_FREE( (char *)toks );
337 * Search scope is next
339 if (( tokcnt = next_line_tokens( bufp, blenp, &toks )) != 1 ) {
340 free_strarray( toks );
341 ldap_free_searchprefs( so );
342 return( LDAP_SEARCHPREF_ERR_SYNTAX );
344 if ( !strcasecmp(toks[ 0 ], "subtree" )) {
345 so->so_defaultscope = LDAP_SCOPE_SUBTREE;
346 } else if ( !strcasecmp(toks[ 0 ], "onelevel" )) {
347 so->so_defaultscope = LDAP_SCOPE_ONELEVEL;
348 } else if ( !strcasecmp(toks[ 0 ], "base" )) {
349 so->so_defaultscope = LDAP_SCOPE_BASE;
351 ldap_free_searchprefs( so );
352 return( LDAP_SEARCHPREF_ERR_SYNTAX );
354 free_strarray( toks );
358 * "More Choices" search option list comes next
360 sa = &( so->so_salist );
361 while (( tokcnt = next_line_tokens( bufp, blenp, &toks )) > 0 ) {
363 free_strarray( toks );
364 ldap_free_searchprefs( so );
365 return( LDAP_SEARCHPREF_ERR_SYNTAX );
367 if (( *sa = ( struct ldap_searchattr * ) LDAP_CALLOC( 1,
368 sizeof( struct ldap_searchattr ))) == NULL ) {
369 free_strarray( toks );
370 ldap_free_searchprefs( so );
371 return( LDAP_SEARCHPREF_ERR_MEM );
373 ( *sa )->sa_attrlabel = toks[ 0 ];
374 ( *sa )->sa_attr = toks[ 1 ];
375 ( *sa )->sa_selectattr = toks[ 3 ];
376 ( *sa )->sa_selecttext = toks[ 4 ];
377 /* Deal with bitmap */
378 ( *sa )->sa_matchtypebitmap = 0;
379 for ( i = strlen( toks[ 2 ] ) - 1, j = 0; i >= 0; i--, j++ ) {
380 if ( toks[ 2 ][ i ] == '1' ) {
381 ( *sa )->sa_matchtypebitmap |= (1 << j);
384 LDAP_FREE( toks[ 2 ] );
385 LDAP_FREE( ( char * ) toks );
386 sa = &(( *sa )->sa_next);
391 * Match types are last
393 sm = &( so->so_smlist );
394 while (( tokcnt = next_line_tokens( bufp, blenp, &toks )) > 0 ) {
396 free_strarray( toks );
397 ldap_free_searchprefs( so );
398 return( LDAP_SEARCHPREF_ERR_SYNTAX );
400 if (( *sm = ( struct ldap_searchmatch * ) LDAP_CALLOC( 1,
401 sizeof( struct ldap_searchmatch ))) == NULL ) {
402 free_strarray( toks );
403 ldap_free_searchprefs( so );
404 return( LDAP_SEARCHPREF_ERR_MEM );
406 ( *sm )->sm_matchprompt = toks[ 0 ];
407 ( *sm )->sm_filter = toks[ 1 ];
408 LDAP_FREE( ( char * ) toks );
409 sm = &(( *sm )->sm_next );