xref: /titanic_50/usr/src/lib/libldap5/sources/ldap/common/tmplout.c (revision 18c2aff776a775d34a4c9893a4c72e0434d68e36) 
1 /*
2  * Copyright (c) 2001 by Sun Microsystems, Inc.
3  * All rights reserved.
4  */
5 
6 #pragma ident	"%Z%%M%	%I%	%E% SMI"
7 
8 /*
9  * The contents of this file are subject to the Netscape Public
10  * License Version 1.1 (the "License"); you may not use this file
11  * except in compliance with the License. You may obtain a copy of
12  * the License at http://www.mozilla.org/NPL/
13  *
14  * Software distributed under the License is distributed on an "AS
15  * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
16  * implied. See the License for the specific language governing
17  * rights and limitations under the License.
18  *
19  * The Original Code is Mozilla Communicator client code, released
20  * March 31, 1998.
21  *
22  * The Initial Developer of the Original Code is Netscape
23  * Communications Corporation. Portions created by Netscape are
24  * Copyright (C) 1998-1999 Netscape Communications Corporation. All
25  * Rights Reserved.
26  *
27  * Contributor(s):
28  */
29 
30 /*
31  * tmplout.c:  display template library output routines for LDAP clients
32  *
33  */
34 
35 #include "ldap-int.h"
36 #include "disptmpl.h"
37 
38 #if defined(_WINDOWS) || defined(aix) || defined(SCOOS) || defined(OSF1) || defined(SOLARIS)
39 #include <time.h> /* for struct tm and ctime */
40 #endif
41 
42 
43 /* This is totally lame, since it should be coming from time.h, but isn't. */
44 #if defined(SOLARIS)
45 char *ctime_r(const time_t *, char *, int);
46 #endif
47 
48 static int do_entry2text( LDAP *ld, char *buf, char *base, LDAPMessage *entry,
49 	struct ldap_disptmpl *tmpl, char **defattrs, char ***defvals,
50 	writeptype writeproc, void *writeparm, char *eol, int rdncount,
51 	unsigned long opts, char *urlprefix );
52 static int do_entry2text_search( LDAP *ld, char *dn, char *base,
53 	LDAPMessage *entry, struct ldap_disptmpl *tmpllist, char **defattrs,
54 	char ***defvals, writeptype writeproc, void *writeparm, char *eol,
55 	int rdncount, unsigned long opts, char *urlprefix );
56 static int do_vals2text( LDAP *ld, char *buf, char **vals, char *label,
57 	int labelwidth, unsigned long syntaxid, writeptype writeproc,
58 	void *writeparm, char *eol, int rdncount, char *urlprefix );
59 static int max_label_len( struct ldap_disptmpl *tmpl );
60 static int output_label( char *buf, char *label, int width,
61 	writeptype writeproc, void *writeparm, char *eol, int html );
62 static int output_dn( char *buf, char *dn, int width, int rdncount,
63 	writeptype writeproc, void *writeparm, char *eol, char *urlprefix );
64 static void strcat_escaped( char *s1, char *s2 );
65 static char *time2text( char *ldtimestr, int dateonly );
66 static long gtime( struct tm *tm );
67 static int searchaction( LDAP *ld, char *buf, char *base, LDAPMessage *entry,
68 	char *dn, struct ldap_tmplitem *tip, int labelwidth, int rdncount,
69 	writeptype writeproc, void *writeparm, char *eol, char *urlprefix );
70 
71 #define DEF_LABEL_WIDTH		15
72 #define SEARCH_TIMEOUT_SECS	120
73 #define OCATTRNAME		"objectClass"
74 
75 
76 #define NONFATAL_LDAP_ERR( err )	( err == LDAP_SUCCESS || \
77 	err == LDAP_TIMELIMIT_EXCEEDED || err == LDAP_SIZELIMIT_EXCEEDED )
78 
79 #define DEF_LDAP_URL_PREFIX	"ldap:///"
80 
81 
82 int
83 LDAP_CALL
84 ldap_entry2text(
85 	LDAP			*ld,
86 	char			*buf,		/* NULL for "use internal" */
87 	LDAPMessage		*entry,
88 	struct ldap_disptmpl	*tmpl,
89 	char			**defattrs,
90 	char			***defvals,
91 	writeptype		writeproc,
92 	void			*writeparm,
93 	char			*eol,
94 	int			rdncount,
95 	unsigned long		opts
96 )
97 {
98     LDAPDebug( LDAP_DEBUG_TRACE, "ldap_entry2text\n", 0, 0, 0 );
99 
100     return( do_entry2text( ld, buf, NULL, entry, tmpl, defattrs, defvals,
101 		writeproc, writeparm, eol, rdncount, opts, NULL ));
102 
103 }
104 
105 
106 
107 int
108 LDAP_CALL
109 ldap_entry2html(
110 	LDAP			*ld,
111 	char			*buf,		/* NULL for "use internal" */
112 	LDAPMessage		*entry,
113 	struct ldap_disptmpl	*tmpl,
114 	char			**defattrs,
115 	char			***defvals,
116 	writeptype		writeproc,
117 	void			*writeparm,
118 	char			*eol,
119 	int			rdncount,
120 	unsigned long		opts,
121 	char			*base,
122 	char			*urlprefix
123 )
124 {
125     LDAPDebug( LDAP_DEBUG_TRACE, "ldap_entry2html\n", 0, 0, 0 );
126 
127     if ( urlprefix == NULL ) {
128 	urlprefix = DEF_LDAP_URL_PREFIX;
129     }
130 
131     return( do_entry2text( ld, buf, base, entry, tmpl, defattrs, defvals,
132 		writeproc, writeparm, eol, rdncount, opts, urlprefix ));
133 }
134 
135 
136 static int
137 do_entry2text(
138 	LDAP			*ld,
139 	char			*buf,		/* NULL for use-internal */
140 	char			*base,		/* used for search actions */
141 	LDAPMessage		*entry,
142 	struct ldap_disptmpl	*tmpl,
143 	char			**defattrs,
144 	char			***defvals,
145 	writeptype		writeproc,
146 	void			*writeparm,
147 	char			*eol,
148 	int			rdncount,
149 	unsigned long		opts,
150 	char			*urlprefix	/* if non-NULL, do HTML */
151 )
152 {
153     int				i, err, html, show, labelwidth;
154     int				freebuf,  freevals;
155     char			*dn, **vals;
156     struct ldap_tmplitem	*rowp, *colp;
157 
158     if ( !NSLDAPI_VALID_LDAP_POINTER( ld )) {
159 	return( LDAP_PARAM_ERROR );
160     }
161 
162     if ( writeproc == NULL ||
163 	    !NSLDAPI_VALID_LDAPMESSAGE_ENTRY_POINTER( entry )) {
164 	err = LDAP_PARAM_ERROR;
165 	LDAP_SET_LDERRNO( ld, err, NULL, NULL );
166 	return( err );
167     }
168 
169     if (( dn = ldap_get_dn( ld, entry )) == NULL ) {
170 	return( LDAP_GET_LDERRNO( ld, NULL, NULL ) );
171     }
172 
173     if ( buf == NULL ) {
174 	if (( buf = NSLDAPI_MALLOC( LDAP_DTMPL_BUFSIZ )) == NULL ) {
175 	    err = LDAP_NO_MEMORY;
176 	    LDAP_SET_LDERRNO( ld, err, NULL, NULL );
177 	    NSLDAPI_FREE( dn );
178 	    return( err );
179 	}
180 	freebuf = 1;
181     } else {
182 	freebuf = 0;
183     }
184 
185     html = ( urlprefix != NULL );
186 
187     if ( html ) {
188 	/*
189 	 * add HTML intro. and title
190 	 */
191 	if (!(( opts & LDAP_DISP_OPT_HTMLBODYONLY ) != 0 )) {
192 	    sprintf( buf, "<HTML>%s<HEAD>%s<TITLE>%s%s - ", eol, eol, eol,
193 		    ( tmpl == NULL ) ? "Entry" : tmpl->dt_name );
194 	    (*writeproc)( writeparm, buf, strlen( buf ));
195 	    output_dn( buf, dn, 0, rdncount, writeproc, writeparm, "", NULL );
196 	    sprintf( buf, "%s</TITLE>%s</HEAD>%s<BODY>%s<H3>%s - ", eol, eol,
197 		    eol, eol, ( tmpl == NULL ) ? "Entry" : tmpl->dt_name );
198 	    (*writeproc)( writeparm, buf, strlen( buf ));
199 	    output_dn( buf, dn, 0, rdncount, writeproc, writeparm, "", NULL );
200 	    sprintf( buf, "</H3>%s", eol );
201 	    (*writeproc)( writeparm, buf, strlen( buf ));
202 	}
203 
204 	if (( opts & LDAP_DISP_OPT_NONLEAF ) != 0 &&
205 		( vals = ldap_explode_dn( dn, 0 )) != NULL ) {
206 	    char	*untagged;
207 
208 	    /*
209 	     * add "Move Up" link
210 	     */
211 	    sprintf( buf, "<A HREF=\"%s", urlprefix );
212 	    for ( i = 1; vals[ i ] != NULL; ++i ) {
213 		if ( i > 1 ) {
214 		     strcat_escaped( buf, ", " );
215 		}
216 		strcat_escaped( buf, vals[ i ] );
217 	    }
218 	    if ( vals[ 1 ] != NULL ) {
219 		untagged = strchr( vals[ 1 ], '=' );
220 	    } else {
221 		untagged = "=The World";
222 	    }
223 	    sprintf( buf + strlen( buf ),
224 		    "%s\">Move Up To <EM>%s</EM></A>%s<BR>",
225 		    ( vals[ 1 ] == NULL ) ? "??one" : "",
226 		    ( untagged != NULL ) ? untagged + 1 : vals[ 1 ], eol );
227 	    (*writeproc)( writeparm, buf, strlen( buf ));
228 
229 	    /*
230 	     * add "Browse" link
231 	     */
232 	    untagged = strchr( vals[ 0 ], '=' );
233 	    sprintf( buf, "<A HREF=\"%s", urlprefix );
234 	    strcat_escaped( buf, dn );
235 	    sprintf( buf + strlen( buf ), "??one?(!(objectClass=dsa))\">Browse Below <EM>%s</EM></A>%s%s",
236 		    ( untagged != NULL ) ? untagged + 1 : vals[ 0 ], eol, eol );
237 	    (*writeproc)( writeparm, buf, strlen( buf ));
238 
239 	    ldap_value_free( vals );
240 	}
241 
242 	(*writeproc)( writeparm, "<HR>", 4 );	/* horizontal rule */
243     } else {
244 	(*writeproc)( writeparm, "\"", 1 );
245 	output_dn( buf, dn, 0, rdncount, writeproc, writeparm, "", NULL );
246 	sprintf( buf, "\"%s", eol );
247 	(*writeproc)( writeparm, buf, strlen( buf ));
248     }
249 
250     if ( tmpl != NULL && ( opts & LDAP_DISP_OPT_AUTOLABELWIDTH ) != 0 ) {
251 	labelwidth = max_label_len( tmpl ) + 3;
252     } else {
253 	labelwidth = DEF_LABEL_WIDTH;;
254     }
255 
256     err = LDAP_SUCCESS;
257 
258     if ( tmpl == NULL ) {
259 	BerElement	*ber;
260 	char		*attr;
261 
262 	ber = NULL;
263 	for ( attr = ldap_first_attribute( ld, entry, &ber );
264 		NONFATAL_LDAP_ERR( err ) && attr != NULL;
265 		attr = ldap_next_attribute( ld, entry, ber )) {
266 	    if (( vals = ldap_get_values( ld, entry, attr )) == NULL ) {
267 		freevals = 0;
268 		if ( defattrs != NULL ) {
269 		    for ( i = 0; defattrs[ i ] != NULL; ++i ) {
270 			if ( strcasecmp( attr, defattrs[ i ] ) == 0 ) {
271 			    break;
272 			}
273 		    }
274 		    if ( defattrs[ i ] != NULL ) {
275 			vals = defvals[ i ];
276 		    }
277 		}
278 	    } else {
279 		freevals = 1;
280 	    }
281 
282 	    if ( islower( *attr )) {	/* cosmetic -- upcase attr. name */
283 		*attr = toupper( *attr );
284 	    }
285 
286 	    err = do_vals2text( ld, buf, vals, attr, labelwidth,
287 		    LDAP_SYN_CASEIGNORESTR, writeproc, writeparm, eol,
288 		    rdncount, urlprefix );
289 	    if ( freevals ) {
290 		ldap_value_free( vals );
291 	    }
292 	}
293 	if ( ber == NULL ) {
294 	    ber_free( ber, 0 );
295 	}
296 	/*
297 	 * XXX check for errors in ldap_first_attribute/ldap_next_attribute
298 	 * here (but what should we do if there was one?)
299 	 */
300 
301     } else {
302 	for ( rowp = ldap_first_tmplrow( tmpl );
303 		NONFATAL_LDAP_ERR( err ) && rowp != NULLTMPLITEM;
304 		rowp = ldap_next_tmplrow( tmpl, rowp )) {
305 	    for ( colp = ldap_first_tmplcol( tmpl, rowp ); colp != NULLTMPLITEM;
306 		    colp = ldap_next_tmplcol( tmpl, rowp, colp )) {
307 		vals = NULL;
308 		if ( colp->ti_attrname == NULL || ( vals = ldap_get_values( ld,
309 			entry, colp->ti_attrname )) == NULL ) {
310 		    freevals = 0;
311 		    if ( !LDAP_IS_TMPLITEM_OPTION_SET( colp,
312 			    LDAP_DITEM_OPT_HIDEIFEMPTY ) && defattrs != NULL
313 			    && colp->ti_attrname != NULL ) {
314 			for ( i = 0; defattrs[ i ] != NULL; ++i ) {
315 			    if ( strcasecmp( colp->ti_attrname, defattrs[ i ] )
316 				    == 0 ) {
317 				break;
318 			    }
319 			}
320 			if ( defattrs[ i ] != NULL ) {
321 			    vals = defvals[ i ];
322 			}
323 		    }
324 		} else {
325 		    freevals = 1;
326 		    if ( LDAP_IS_TMPLITEM_OPTION_SET( colp,
327 			    LDAP_DITEM_OPT_SORTVALUES ) && vals[ 0 ] != NULL
328 			    && vals[ 1 ] != NULL ) {
329 			ldap_sort_values(ld, vals, ldap_sort_strcasecmp);
330 		    }
331 		}
332 
333 		/*
334 		 * don't bother even calling do_vals2text() if no values
335 		 * or boolean with value false and "hide if false" option set
336 		 */
337 		show = ( vals != NULL && vals[ 0 ] != NULL );
338 		if ( show && LDAP_GET_SYN_TYPE( colp->ti_syntaxid )
339 			== LDAP_SYN_TYPE_BOOLEAN && LDAP_IS_TMPLITEM_OPTION_SET(
340 			colp, LDAP_DITEM_OPT_HIDEIFFALSE ) &&
341 			toupper( vals[ 0 ][ 0 ] ) != 'T' ) {
342 		    show = 0;
343 		}
344 
345 		if ( colp->ti_syntaxid == LDAP_SYN_SEARCHACTION ) {
346 		    if (( opts & LDAP_DISP_OPT_DOSEARCHACTIONS ) != 0 ) {
347 			if ( colp->ti_attrname == NULL || ( show &&
348 				toupper( vals[ 0 ][ 0 ] ) == 'T' )) {
349 			    err = searchaction( ld, buf, base, entry, dn, colp,
350 				    labelwidth, rdncount, writeproc,
351 				    writeparm, eol, urlprefix );
352 			}
353 		    }
354 		    show = 0;
355 		}
356 
357 		if ( show ) {
358 		    err = do_vals2text( ld, buf, vals, colp->ti_label,
359 			labelwidth, colp->ti_syntaxid, writeproc, writeparm,
360 			eol, rdncount, urlprefix );
361 		}
362 
363 		if ( freevals ) {
364 		    ldap_value_free( vals );
365 		}
366 	    }
367 	}
368     }
369 
370     if ( html  && !(( opts & LDAP_DISP_OPT_HTMLBODYONLY ) != 0 )) {
371 	sprintf( buf, "</BODY>%s</HTML>%s", eol, eol );
372 	(*writeproc)( writeparm, buf, strlen( buf ));
373     }
374 
375     NSLDAPI_FREE( dn );
376     if ( freebuf ) {
377 	NSLDAPI_FREE( buf );
378     }
379 
380     return( err );
381 }
382 
383 
384 int
385 LDAP_CALL
386 ldap_entry2text_search(
387 	LDAP			*ld,
388 	char			*dn,		/* if NULL, use entry */
389 	char			*base,		/* if NULL, no search actions */
390 	LDAPMessage		*entry,		/* if NULL, use dn */
391 	struct ldap_disptmpl*	tmpllist,	/* if NULL, load default file */
392 	char			**defattrs,
393 	char			***defvals,
394 	writeptype		writeproc,
395 	void			*writeparm,
396 	char			*eol,
397 	int			rdncount,	/* if 0, display full DN */
398 	unsigned long		opts
399 )
400 {
401     LDAPDebug( LDAP_DEBUG_TRACE, "ldap_entry2text_search\n", 0, 0, 0 );
402 
403     return( do_entry2text_search( ld, dn, base, entry, tmpllist, defattrs,
404 	    defvals, writeproc, writeparm, eol, rdncount, opts, NULL ));
405 }
406 
407 
408 
409 int
410 LDAP_CALL
411 ldap_entry2html_search(
412 	LDAP			*ld,
413 	char			*dn,		/* if NULL, use entry */
414 	char			*base,		/* if NULL, no search actions */
415 	LDAPMessage		*entry,		/* if NULL, use dn */
416 	struct ldap_disptmpl*	tmpllist,	/* if NULL, load default file */
417 	char			**defattrs,
418 	char			***defvals,
419 	writeptype		writeproc,
420 	void			*writeparm,
421 	char			*eol,
422 	int			rdncount,	/* if 0, display full DN */
423 	unsigned long		opts,
424 	char			*urlprefix
425 )
426 {
427     LDAPDebug( LDAP_DEBUG_TRACE, "ldap_entry2html_search\n", 0, 0, 0 );
428 
429     return( do_entry2text_search( ld, dn, base, entry, tmpllist, defattrs,
430 	    defvals, writeproc, writeparm, eol, rdncount, opts, urlprefix ));
431 }
432 
433 
434 static int
435 do_entry2text_search(
436 	LDAP			*ld,
437 	char			*dn,		/* if NULL, use entry */
438 	char			*base,		/* if NULL, no search actions */
439 	LDAPMessage		*entry,		/* if NULL, use dn */
440 	struct ldap_disptmpl*	tmpllist,	/* if NULL, no template used */
441 	char			**defattrs,
442 	char			***defvals,
443 	writeptype		writeproc,
444 	void			*writeparm,
445 	char			*eol,
446 	int			rdncount,	/* if 0, display full DN */
447 	unsigned long		opts,
448 	char			*urlprefix
449 )
450 {
451     int				err, freedn, html;
452     char			*buf, **fetchattrs, **vals;
453     LDAPMessage			*ldmp;
454     struct ldap_disptmpl	*tmpl;
455     struct timeval		timeout;
456 
457     if ( !NSLDAPI_VALID_LDAP_POINTER( ld )) {
458 	return( LDAP_PARAM_ERROR );
459     }
460 
461     if ( dn == NULL && entry == NULLMSG ) {
462 	err = LDAP_PARAM_ERROR;
463 	LDAP_SET_LDERRNO( ld, err, NULL, NULL );
464 	return( err );
465     }
466 
467     html = ( urlprefix != NULL );
468 
469     timeout.tv_sec = SEARCH_TIMEOUT_SECS;
470     timeout.tv_usec = 0;
471 
472     if (( buf = NSLDAPI_MALLOC( LDAP_DTMPL_BUFSIZ )) == NULL ) {
473 	err = LDAP_NO_MEMORY;
474 	LDAP_SET_LDERRNO( ld, err, NULL, NULL );
475 	return( err );
476     }
477 
478     freedn = 0;
479     tmpl = NULL;
480 
481     if ( dn == NULL ) {
482 	if (( dn = ldap_get_dn( ld, entry )) == NULL ) {
483 	    NSLDAPI_FREE( buf );
484 	    return( LDAP_GET_LDERRNO( ld, NULL, NULL ) );
485 	}
486 	freedn = 1;
487     }
488 
489 
490     if ( tmpllist != NULL ) {
491 	ldmp = NULLMSG;
492 
493 	if ( entry == NULL ) {
494 	    char	*ocattrs[2];
495 
496 	    ocattrs[0] = OCATTRNAME;
497 	    ocattrs[1] = NULL;
498 #ifdef CLDAP
499 	    if ( LDAP_IS_CLDAP( ld ))
500 		    err = cldap_search_s( ld, dn, LDAP_SCOPE_BASE,
501 			"objectClass=*", ocattrs, 0, &ldmp, NULL );
502 	    else
503 #endif /* CLDAP */
504 		    err = ldap_search_st( ld, dn, LDAP_SCOPE_BASE,
505 			    "objectClass=*", ocattrs, 0, &timeout, &ldmp );
506 
507 	    if ( err == LDAP_SUCCESS ) {
508 		entry = ldap_first_entry( ld, ldmp );
509 	    }
510 	}
511 
512 	if ( entry != NULL ) {
513 	    vals = ldap_get_values( ld, entry, OCATTRNAME );
514 	    tmpl = ldap_oc2template( vals, tmpllist );
515 	    if ( vals != NULL ) {
516 		ldap_value_free( vals );
517 	    }
518 	}
519 	if ( ldmp != NULL ) {
520 	    ldap_msgfree( ldmp );
521 	}
522     }
523 
524     entry = NULL;
525 
526     if ( tmpl == NULL ) {
527 	fetchattrs = NULL;
528     } else {
529 	fetchattrs = ldap_tmplattrs( tmpl, NULL, 1, LDAP_SYN_OPT_DEFER );
530     }
531 
532 #ifdef CLDAP
533     if ( LDAP_IS_CLDAP( ld ))
534 	err = cldap_search_s( ld, dn, LDAP_SCOPE_BASE, "objectClass=*",
535 		fetchattrs, 0, &ldmp, NULL );
536     else
537 #endif /* CLDAP */
538 	err = ldap_search_st( ld, dn, LDAP_SCOPE_BASE, "objectClass=*",
539 		fetchattrs, 0, &timeout, &ldmp );
540 
541     if ( freedn ) {
542 	NSLDAPI_FREE( dn );
543     }
544     if ( fetchattrs != NULL ) {
545 	ldap_value_free( fetchattrs );
546     }
547 
548     if ( err != LDAP_SUCCESS ||
549 	    ( entry = ldap_first_entry( ld, ldmp )) == NULL ) {
550 	NSLDAPI_FREE( buf );
551 	return( LDAP_GET_LDERRNO( ld, NULL, NULL ) );
552     }
553 
554     err = do_entry2text( ld, buf, base, entry, tmpl, defattrs, defvals,
555 	    writeproc, writeparm, eol, rdncount, opts, urlprefix );
556 
557     NSLDAPI_FREE( buf );
558     ldap_msgfree( ldmp );
559     return( err );
560 }
561 
562 
563 int
564 LDAP_CALL
565 ldap_vals2text(
566 	LDAP			*ld,
567 	char			*buf,		/* NULL for "use internal" */
568 	char			**vals,
569 	char			*label,
570 	int			labelwidth,	/* 0 means use default */
571 	unsigned long		syntaxid,
572 	writeptype		writeproc,
573 	void			*writeparm,
574 	char			*eol,
575 	int			rdncount
576 )
577 {
578     LDAPDebug( LDAP_DEBUG_TRACE, "ldap_vals2text\n", 0, 0, 0 );
579 
580     return( do_vals2text( ld, buf, vals, label, labelwidth, syntaxid,
581 		writeproc, writeparm, eol, rdncount, NULL ));
582 }
583 
584 
585 int
586 LDAP_CALL
587 ldap_vals2html(
588 	LDAP			*ld,
589 	char			*buf,		/* NULL for "use internal" */
590 	char			**vals,
591 	char			*label,
592 	int			labelwidth,	/* 0 means use default */
593 	unsigned long		syntaxid,
594 	writeptype		writeproc,
595 	void			*writeparm,
596 	char			*eol,
597 	int			rdncount,
598 	char			*urlprefix
599 )
600 {
601     LDAPDebug( LDAP_DEBUG_TRACE, "ldap_vals2html\n", 0, 0, 0 );
602 
603     if ( urlprefix == NULL ) {
604 	urlprefix = DEF_LDAP_URL_PREFIX;
605     }
606 
607     return( do_vals2text( ld, buf, vals, label, labelwidth, syntaxid,
608 		writeproc, writeparm, eol, rdncount, urlprefix ));
609 }
610 
611 
612 static int
613 do_vals2text(
614 	LDAP			*ld,
615 	char			*buf,		/* NULL for "use internal" */
616 	char			**vals,
617 	char			*label,
618 	int			labelwidth,	/* 0 means use default */
619 	unsigned long		syntaxid,
620 	writeptype		writeproc,
621 	void			*writeparm,
622 	char			*eol,
623 	int			rdncount,
624 	char			*urlprefix
625 )
626 {
627     int		err, i, html, writeoutval, freebuf, notascii;
628     char	*p, *s, *outval;
629 
630     if ( !NSLDAPI_VALID_LDAP_POINTER( ld ) || writeproc == NULL ) {
631 	return( LDAP_PARAM_ERROR );
632     }
633 
634     if ( vals == NULL ) {
635 	return( LDAP_SUCCESS );
636     }
637 
638     html = ( urlprefix != NULL );
639 
640     switch( LDAP_GET_SYN_TYPE( syntaxid )) {
641     case LDAP_SYN_TYPE_TEXT:
642     case LDAP_SYN_TYPE_BOOLEAN:
643 	break;		/* we only bother with these two types... */
644     default:
645 	return( LDAP_SUCCESS );
646     }
647 
648     if ( labelwidth == 0 || labelwidth < 0 ) {
649 	labelwidth = DEF_LABEL_WIDTH;
650     }
651 
652     if ( buf == NULL ) {
653 	if (( buf = NSLDAPI_MALLOC( LDAP_DTMPL_BUFSIZ )) == NULL ) {
654 	    err = LDAP_NO_MEMORY;
655 	    LDAP_SET_LDERRNO( ld, err, NULL, NULL );
656 	    return( err );
657 	}
658 	freebuf = 1;
659     } else {
660 	freebuf = 0;
661     }
662 
663     output_label( buf, label, labelwidth, writeproc, writeparm, eol, html );
664 
665     for ( i = 0; vals[ i ] != NULL; ++i ) {
666 	for ( p = vals[ i ]; *p != '\0'; ++p ) {
667 	    if ( !isascii( *p )) {
668 		break;
669 	    }
670 	}
671 	notascii = ( *p != '\0' );
672 	outval = notascii ? dgettext(TEXT_DOMAIN,
673 		"(unable to display non-ASCII text value)")
674 		: vals[ i ];
675 
676 	writeoutval = 0;	/* if non-zero, write outval after switch */
677 
678 	switch( syntaxid ) {
679 	case LDAP_SYN_CASEIGNORESTR:
680 	    ++writeoutval;
681 	    break;
682 
683 	case LDAP_SYN_RFC822ADDR:
684 	    if ( html ) {
685 		strcpy( buf, "<DD><A HREF=\"mailto:" );
686 		strcat_escaped( buf, outval );
687 		sprintf( buf + strlen( buf ), "\">%s</A><BR>%s", outval, eol );
688 		(*writeproc)( writeparm, buf, strlen( buf ));
689 	    } else {
690 		++writeoutval;
691 	    }
692 	    break;
693 
694 	case LDAP_SYN_DN:	/* for now */
695 	    output_dn( buf, outval, labelwidth, rdncount, writeproc,
696 		    writeparm, eol, urlprefix );
697 	    break;
698 
699 	case LDAP_SYN_MULTILINESTR:
700 	    if ( i > 0 && !html ) {
701 		output_label( buf, label, labelwidth, writeproc,
702 			writeparm, eol, html );
703 	    }
704 
705 	    p = s = outval;
706 	    while (( s = strchr( s, '$' )) != NULL ) {
707 		*s++ = '\0';
708 		while ( ldap_utf8isspace( s )) {
709 		    ++s;
710 		}
711 		if ( html ) {
712 		    sprintf( buf, "<DD>%s<BR>%s", p, eol );
713 		} else {
714 		    sprintf( buf, "%-*s%s%s", labelwidth, " ", p, eol );
715 		}
716 		(*writeproc)( writeparm, buf, strlen( buf ));
717 		p = s;
718 	    }
719 	    outval = p;
720 	    ++writeoutval;
721 	    break;
722 
723 	case LDAP_SYN_BOOLEAN:
724 	    outval = toupper( outval[ 0 ] ) == 'T' ?
725 		dgettext(TEXT_DOMAIN, "TRUE") : dgettext(TEXT_DOMAIN, "FALSE");
726 	    ++writeoutval;
727 	    break;
728 
729 	case LDAP_SYN_TIME:
730 	case LDAP_SYN_DATE:
731 	    outval = time2text( outval, syntaxid == LDAP_SYN_DATE );
732 	    ++writeoutval;
733 	    break;
734 
735 	case LDAP_SYN_LABELEDURL:
736 	    if ( !notascii && ( p = strchr( outval, '$' )) != NULL ) {
737 		*p++ = '\0';
738 		while ( ldap_utf8isspace( p )) {
739 		    ++p;
740 		}
741 		s = outval;
742 	    } else if ( !notascii && ( s = strchr( outval, ' ' )) != NULL ) {
743 		*s++ = '\0';
744 		while ( ldap_utf8isspace( s )) {
745 		    ++s;
746 		}
747 		p = outval;
748 	    } else {
749 		s = "URL";
750 		p = outval;
751 	    }
752 
753 	    /*
754 	     * at this point `s' points to the label & `p' to the URL
755 	     */
756 	    if ( html ) {
757 		sprintf( buf, "<DD><A HREF=\"%s\">%s</A><BR>%s", p, s, eol );
758 	    } else {
759 		sprintf( buf, "%-*s%s%s%-*s%s%s", labelwidth, " ",
760 		    s, eol, labelwidth + 2, " ",p , eol );
761 	    }
762 	    (*writeproc)( writeparm, buf, strlen( buf ));
763 	    break;
764 
765 	default:
766 	    sprintf( buf, dgettext(TEXT_DOMAIN,
767 		" Can't display item type %ld%s"),
768 		    syntaxid, eol );
769 	    (*writeproc)( writeparm, buf, strlen( buf ));
770 	}
771 
772 	if ( writeoutval ) {
773 	    if ( html ) {
774 		sprintf( buf, "<DD>%s<BR>%s", outval, eol );
775 	    } else {
776 		sprintf( buf, "%-*s%s%s", labelwidth, " ", outval, eol );
777 	    }
778 	    (*writeproc)( writeparm, buf, strlen( buf ));
779 	}
780     }
781 
782     if ( freebuf ) {
783 	NSLDAPI_FREE( buf );
784     }
785 
786     return( LDAP_SUCCESS );
787 }
788 
789 
790 static int
791 max_label_len( struct ldap_disptmpl *tmpl )
792 {
793     struct ldap_tmplitem	*rowp, *colp;
794     int				len, maxlen;
795 
796     maxlen = 0;
797 
798     for ( rowp = ldap_first_tmplrow( tmpl ); rowp != NULLTMPLITEM;
799 	    rowp = ldap_next_tmplrow( tmpl, rowp )) {
800 	for ( colp = ldap_first_tmplcol( tmpl, rowp ); colp != NULLTMPLITEM;
801 		colp = ldap_next_tmplcol( tmpl, rowp, colp )) {
802 	    if (( len = strlen( colp->ti_label )) > maxlen ) {
803 		maxlen = len;
804 	    }
805 	}
806     }
807 
808     return( maxlen );
809 }
810 
811 
812 static int
813 output_label( char *buf, char *label, int width, writeptype writeproc,
814 	void *writeparm, char *eol, int html )
815 {
816     char	*p;
817 
818     if ( html ) {
819 	sprintf( buf, "<DT><B>%s</B>", label );
820     } else {
821 	auto size_t w;
822 	sprintf( buf, " %s:", label );
823 	p = buf + strlen( buf );
824 
825 	for (w = ldap_utf8characters(buf); w < (size_t)width; ++w) {
826 	    *p++ = ' ';
827 	}
828 
829 	*p = '\0';
830 	strcat( buf, eol );
831     }
832 
833     return ((*writeproc)( writeparm, buf, strlen( buf )));
834 }
835 
836 
837 static int
838 output_dn( char *buf, char *dn, int width, int rdncount,
839 	writeptype writeproc, void *writeparm, char *eol, char *urlprefix )
840 {
841     char	**dnrdns;
842     int		i;
843 
844     if (( dnrdns = ldap_explode_dn( dn, 1 )) == NULL ) {
845 	return( -1 );
846     }
847 
848     if ( urlprefix != NULL ) {
849 	sprintf( buf, "<DD><A HREF=\"%s", urlprefix );
850 	strcat_escaped( buf, dn );
851 	strcat( buf, "\">" );
852     } else if ( width > 0 ) {
853 	sprintf( buf, "%-*s", width, " " );
854     } else {
855 	*buf = '\0';
856     }
857 
858     for ( i = 0; dnrdns[ i ] != NULL && ( rdncount == 0 || i < rdncount );
859 	    ++i ) {
860 	if ( i > 0 ) {
861 	    strcat( buf, ", " );
862 	}
863 	strcat( buf, dnrdns[ i ] );
864     }
865 
866     if ( urlprefix != NULL ) {
867 	strcat( buf, "</A><BR>" );
868     }
869 
870     ldap_value_free( dnrdns );
871 
872     strcat( buf, eol );
873 
874     return ((*writeproc)( writeparm, buf, strlen( buf )));
875 }
876 
877 
878 
879 #define HREF_CHAR_ACCEPTABLE( c )	(( c >= '-' && c <= '9' ) ||	\
880 					 ( c >= '@' && c <= 'Z' ) ||	\
881 					 ( c == '_' ) ||		\
882 					 ( c >= 'a' && c <= 'z' ))
883 
884 static void
885 strcat_escaped( char *s1, char *s2 )
886 {
887     char	*p, *q;
888     char	*hexdig = "0123456789ABCDEF";
889 
890     p = s1 + strlen( s1 );
891     for ( q = s2; *q != '\0'; ++q ) {
892 	if ( HREF_CHAR_ACCEPTABLE( *q )) {
893 	    *p++ = *q;
894 	} else {
895 	    *p++ = '%';
896 	    *p++ = hexdig[ 0x0F & ((*(unsigned char*)q) >> 4) ];
897 	    *p++ = hexdig[ 0x0F & *q ];
898 	}
899     }
900 
901     *p = '\0';
902 }
903 
904 
905 #define GET2BYTENUM( p )	(( *p - '0' ) * 10 + ( *(p+1) - '0' ))
906 
907 static char *
908 time2text( char *ldtimestr, int dateonly )
909 {
910     int			len;
911     struct tm		t;
912     char		*p, *timestr, zone, *fmterr =
913 				dgettext(TEXT_DOMAIN, "badly formatted time");
914     time_t		gmttime;
915 /* CTIME for this platform doesn't use this. */
916 #if !defined(SUNOS4) && !defined(BSDI) && !defined(LINUX1_2) && \
917     !defined(SNI) && !defined(_WIN32) && !defined(macintosh) && !defined(LINUX)
918     char		buf[26];
919 #endif
920 
921     memset( (char *)&t, 0, sizeof( struct tm ));
922     if (( len = (int)strlen( ldtimestr )) < 13 ) {
923 	return( fmterr );
924     }
925     if ( len > 15 ) {   /* throw away excess from 4-digit year time string */
926 	len = 15;
927     } else if ( len == 14 ) {
928 	len = 13;       /* assume we have a time w/2-digit year (len=13) */
929     }
930 
931     for ( p = ldtimestr; p - ldtimestr + 1 < len; ++p ) {
932 	if ( !isdigit( *p )) {
933 	    return( fmterr );
934 	}
935     }
936 
937     p = ldtimestr;
938     t.tm_year = GET2BYTENUM( p ); p += 2;
939     if ( len == 15 ) {
940 	t.tm_year = 100 * (t.tm_year - 19);
941 	t.tm_year += GET2BYTENUM( p ); p += 2;
942     }
943     else {
944 	/* 2 digit years...assumed to be in the range (19)70 through
945 	   (20)69 ...less than 70 (for now, 38) means 20xx */
946 	if(t.tm_year < 70) {
947 	    t.tm_year += 100;
948 	}
949     }
950     t.tm_mon = GET2BYTENUM( p ) - 1; p += 2;
951     t.tm_mday = GET2BYTENUM( p ); p += 2;
952     t.tm_hour = GET2BYTENUM( p ); p += 2;
953     t.tm_min = GET2BYTENUM( p ); p += 2;
954     t.tm_sec = GET2BYTENUM( p ); p += 2;
955 
956     if (( zone = *p ) == 'Z' ) {	/* GMT */
957 	zone = '\0';	/* no need to indicate on screen, so we make it null */
958     }
959 
960     gmttime = gtime( &t );
961     timestr = NSLDAPI_CTIME( &gmttime, buf, sizeof(buf) );
962 
963     timestr[ strlen( timestr ) - 1 ] = zone;	/* replace trailing newline */
964     if ( dateonly ) {
965 	strcpy( timestr + 11, timestr + 20 );
966     }
967 
968     return( timestr );
969 }
970 
971 
972 
973 /* gtime.c - inverse gmtime */
974 
975 #if !defined( macintosh ) && !defined( _WINDOWS ) && !defined( DOS ) && !defined(XP_OS2)
976 #include <sys/time.h>
977 #endif /* !macintosh */
978 
979 /* gtime(): the inverse of localtime().
980 	This routine was supplied by Mike Accetta at CMU many years ago.
981  */
982 
983 static int	dmsize[] = {
984     31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31
985 };
986 
987 #define	dysize(y)	\
988 	(((y) % 4) ? 365 : (((y) % 100) ? 366 : (((y) % 400) ? 365 : 366)))
989 
990 /*
991 #define	YEAR(y)		((y) >= 100 ? (y) : (y) + 1900)
992 */
993 #define YEAR(y)		(((y) < 1900) ? ((y) + 1900) : (y))
994 
995 /*  */
996 
997 static long	gtime ( struct tm *tm )
998 {
999     register int    i,
1000                     sec,
1001                     mins,
1002                     hour,
1003                     mday,
1004                     mon,
1005                     year;
1006     register long   result;
1007 
1008     if ((sec = tm -> tm_sec) < 0 || sec > 59
1009 	    || (mins = tm -> tm_min) < 0 || mins > 59
1010 	    || (hour = tm -> tm_hour) < 0 || hour > 24
1011 	    || (mday = tm -> tm_mday) < 1 || mday > 31
1012 	    || (mon = tm -> tm_mon + 1) < 1 || mon > 12)
1013 	return ((long) -1);
1014     if (hour == 24) {
1015 	hour = 0;
1016 	mday++;
1017     }
1018     year = YEAR (tm -> tm_year);
1019 
1020     result = 0L;
1021     for (i = 1970; i < year; i++)
1022 	result += dysize (i);
1023     if (dysize (year) == 366 && mon >= 3)
1024 	result++;
1025     while (--mon)
1026 	result += dmsize[mon - 1];
1027     result += mday - 1;
1028     result = 24 * result + hour;
1029     result = 60 * result + mins;
1030     result = 60 * result + sec;
1031 
1032     return result;
1033 }
1034 
1035 static int
1036 searchaction( LDAP *ld, char *buf, char *base, LDAPMessage *entry, char *dn,
1037 	struct ldap_tmplitem *tip, int labelwidth, int rdncount,
1038 	writeptype writeproc, void *writeparm, char *eol, char *urlprefix )
1039 {
1040     int			err = LDAP_SUCCESS, lderr, i, count, html;
1041     char		**vals, **members;
1042     char		*value, *filtpattern, *attr, *selectname;
1043     char		*retattrs[2], filter[ 256 ];
1044     LDAPMessage		*ldmp;
1045     struct timeval	timeout;
1046 
1047     html = ( urlprefix != NULL );
1048 
1049     for ( i = 0; tip->ti_args != NULL && tip->ti_args[ i ] != NULL; ++i ) {
1050 	;
1051     }
1052     if ( i < 3 ) {
1053 	return( LDAP_PARAM_ERROR );
1054     }
1055     attr = tip->ti_args[ 0 ];
1056     filtpattern = tip->ti_args[ 1 ];
1057     retattrs[ 0 ] = tip->ti_args[ 2 ];
1058     retattrs[ 1 ] = NULL;
1059     selectname = tip->ti_args[ 3 ];
1060 
1061     vals = NULL;
1062     if ( attr == NULL ) {
1063 	value = NULL;
1064     } else if ( strcasecmp( attr, "-dnb" ) == 0 ) {
1065 	return( LDAP_PARAM_ERROR );
1066     } else if ( strcasecmp( attr, "-dnt" ) == 0 ) {
1067 	value = dn;
1068     } else if (( vals = ldap_get_values( ld, entry, attr )) != NULL ) {
1069 	value = vals[ 0 ];
1070     } else {
1071 	value = NULL;
1072     }
1073 
1074     ldap_build_filter( filter, sizeof( filter ), filtpattern, NULL, NULL, NULL,
1075 	    value, NULL );
1076 
1077     if ( html ) {
1078 	/*
1079 	 * if we are generating HTML, we add an HREF link that embodies this
1080 	 * search action as an LDAP URL, instead of actually doing the search
1081 	 * now.
1082 	 */
1083 	sprintf( buf, "<DT><A HREF=\"%s", urlprefix );
1084 	if ( base != NULL ) {
1085 	    strcat_escaped( buf, base );
1086 	}
1087 	strcat( buf, "??sub?" );
1088 	strcat_escaped( buf, filter );
1089 	sprintf( buf + strlen( buf ), "\"><B>%s</B></A><DD><BR>%s",
1090 		tip->ti_label, eol );
1091 	if ((*writeproc)( writeparm, buf, strlen( buf )) < 0 ) {
1092 	    return( LDAP_LOCAL_ERROR );
1093 	}
1094 	return( LDAP_SUCCESS );
1095     }
1096 
1097     timeout.tv_sec = SEARCH_TIMEOUT_SECS;
1098     timeout.tv_usec = 0;
1099 
1100 #ifdef CLDAP
1101     if ( LDAP_IS_CLDAP( ld ))
1102 	lderr = cldap_search_s( ld, base, LDAP_SCOPE_SUBTREE, filter, retattrs,
1103 		0, &ldmp, NULL );
1104     else
1105 #endif /* CLDAP */
1106 	lderr = ldap_search_st( ld, base, LDAP_SCOPE_SUBTREE, filter,
1107 		retattrs, 0, &timeout, &ldmp );
1108 
1109     if ( lderr == LDAP_SUCCESS || NONFATAL_LDAP_ERR( lderr )) {
1110 	if (( count = ldap_count_entries( ld, ldmp )) > 0 ) {
1111 	    if (( members = (char **)NSLDAPI_MALLOC( (count + 1)
1112 		    * sizeof(char *))) == NULL ) {
1113 		err = LDAP_NO_MEMORY;
1114 	    } else {
1115 		for ( i = 0, entry = ldap_first_entry( ld, ldmp );
1116 			entry != NULL;
1117 			entry = ldap_next_entry( ld, entry ), ++i ) {
1118 		    members[ i ] = ldap_get_dn( ld, entry );
1119 		}
1120 		members[ i ] = NULL;
1121 
1122 		ldap_sort_values(ld,members, ldap_sort_strcasecmp);
1123 
1124 		err = do_vals2text( ld, NULL, members, tip->ti_label,
1125 			html ? -1 : 0, LDAP_SYN_DN, writeproc, writeparm,
1126 			eol, rdncount, urlprefix );
1127 
1128 		ldap_value_free( members );
1129 	    }
1130 	}
1131 	ldap_msgfree( ldmp );
1132     }
1133 
1134 
1135     if ( vals != NULL ) {
1136 	ldap_value_free( vals );
1137     }
1138 
1139     return(( err == LDAP_SUCCESS ) ? lderr : err );
1140 }
1141