3 * Copyright 1999-2000 The OpenLDAP Foundation, All Rights Reserved.
4 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
7 * schema.c: parsing routines used by servers and clients to process
14 #include <ac/stdlib.h>
16 #include <ac/string.h>
21 #include <ldap_schema.h>
23 static LDAP_CONST char *
24 choose_name( char *names[], LDAP_CONST char *fallback )
26 return( (names != NULL && names[0] != NULL) ? names[0] : fallback );
30 ldap_syntax2name( LDAPSyntax * syn )
32 return( syn->syn_oid );
36 ldap_matchingrule2name( LDAPMatchingRule * mr )
38 return( choose_name( mr->mr_names, mr->mr_oid ) );
42 ldap_attributetype2name( LDAPAttributeType * at )
44 return( choose_name( at->at_names, at->at_oid ) );
48 ldap_objectclass2name( LDAPObjectClass * oc )
50 return( choose_name( oc->oc_names, oc->oc_oid ) );
55 * When pretty printing the entities we will be appending to a buffer.
56 * Since checking for overflow, realloc'ing and checking if no error
57 * is extremely boring, we will use a protection layer that will let
58 * us blissfully ignore the error until the end. This layer is
59 * implemented with the help of the next type.
62 typedef struct safe_string {
70 new_safe_string(int size)
74 ss = LDAP_MALLOC(sizeof(safe_string));
78 ss->val = LDAP_MALLOC(size);
92 safe_string_free(safe_string * ss)
101 safe_string_val(safe_string * ss)
103 ss->val[ss->pos] = '\0';
108 append_to_safe_string(safe_string * ss, char * s)
114 * Some runaway process is trying to append to a string that
115 * overflowed and we could not extend.
120 /* We always make sure there is at least one position available */
121 if ( ss->pos + l >= ss->size-1 ) {
123 temp = LDAP_REALLOC(ss->val, ss->size);
125 /* Trouble, out of memory */
131 strncpy(&ss->val[ss->pos], s, l);
133 if ( ss->pos > 0 && LDAP_SPACE(ss->val[ss->pos-1]) )
142 print_literal(safe_string *ss, char *s)
144 return(append_to_safe_string(ss,s));
148 print_whsp(safe_string *ss)
151 return(append_to_safe_string(ss,""));
153 return(append_to_safe_string(ss," "));
157 print_numericoid(safe_string *ss, char *s)
160 return(append_to_safe_string(ss,s));
162 return(append_to_safe_string(ss,""));
165 /* This one is identical to print_qdescr */
167 print_qdstring(safe_string *ss, char *s)
170 print_literal(ss,"'");
171 append_to_safe_string(ss,s);
172 print_literal(ss,"'");
173 return(print_whsp(ss));
177 print_qdescr(safe_string *ss, char *s)
180 print_literal(ss,"'");
181 append_to_safe_string(ss,s);
182 print_literal(ss,"'");
183 return(print_whsp(ss));
187 print_qdescrlist(safe_string *ss, char **sa)
192 for (sp=sa; *sp; sp++) {
193 ret = print_qdescr(ss,*sp);
195 /* If the list was empty, we return zero that is potentially
196 * incorrect, but since we will be still appending things, the
197 * overflow will be detected later. Maybe FIX.
203 print_qdescrs(safe_string *ss, char **sa)
205 /* The only way to represent an empty list is as a qdescrlist
206 * so, if the list is empty we treat it as a long list.
207 * Really, this is what the syntax mandates. We should not
208 * be here if the list was empty, but if it happens, a label
209 * has already been output and we cannot undo it.
211 if ( !sa[0] || ( sa[0] && sa[1] ) ) {
213 print_literal(ss,"("/*)*/);
214 print_qdescrlist(ss,sa);
215 print_literal(ss,/*(*/")");
216 return(print_whsp(ss));
218 return(print_qdescr(ss,*sa));
223 print_woid(safe_string *ss, char *s)
226 append_to_safe_string(ss,s);
227 return print_whsp(ss);
231 print_oidlist(safe_string *ss, char **sa)
235 for (sp=sa; *(sp+1); sp++) {
237 print_literal(ss,"$");
239 return(print_woid(ss,*sp));
243 print_oids(safe_string *ss, char **sa)
245 if ( sa[0] && sa[1] ) {
246 print_literal(ss,"("/*)*/);
247 print_oidlist(ss,sa);
249 return(print_literal(ss,/*(*/")"));
251 return(print_woid(ss,*sa));
256 print_noidlen(safe_string *ss, char *s, int l)
261 ret = print_numericoid(ss,s);
263 sprintf(buf,"{%d}",l);
264 ret = print_literal(ss,buf);
270 print_extensions(safe_string *ss, LDAPSchemaExtensionItem **extensions)
272 LDAPSchemaExtensionItem **ext;
276 for ( ext = extensions; *ext != NULL; ext++ ) {
277 print_literal(ss, (*ext)->lsei_name);
279 /* Should be print_qdstrings */
280 print_qdescrs(ss, (*ext)->lsei_values);
289 ldap_syntax2str( const LDAPSyntax * syn )
294 ss = new_safe_string(256);
298 print_literal(ss,"("/*)*/);
301 print_numericoid(ss, syn->syn_oid);
304 if ( syn->syn_desc ) {
305 print_literal(ss,"DESC");
306 print_qdstring(ss,syn->syn_desc);
311 print_extensions(ss, syn->syn_extensions);
313 print_literal(ss,/*(*/ ")");
315 retstring = LDAP_STRDUP(safe_string_val(ss));
316 safe_string_free(ss);
321 ldap_matchingrule2str( const LDAPMatchingRule * mr )
326 ss = new_safe_string(256);
330 print_literal(ss,"(" /*)*/);
333 print_numericoid(ss, mr->mr_oid);
336 if ( mr->mr_names ) {
337 print_literal(ss,"NAME");
338 print_qdescrs(ss,mr->mr_names);
342 print_literal(ss,"DESC");
343 print_qdstring(ss,mr->mr_desc);
346 if ( mr->mr_obsolete == LDAP_SCHEMA_YES ) {
347 print_literal(ss, "OBSOLETE");
351 if ( mr->mr_syntax_oid ) {
352 print_literal(ss,"SYNTAX");
354 print_literal(ss, mr->mr_syntax_oid);
360 print_extensions(ss, mr->mr_extensions);
362 print_literal(ss,/*(*/")");
364 retstring = LDAP_STRDUP(safe_string_val(ss));
365 safe_string_free(ss);
370 ldap_objectclass2str( const LDAPObjectClass * oc )
375 ss = new_safe_string(256);
379 print_literal(ss,"("/*)*/);
382 print_numericoid(ss, oc->oc_oid);
385 if ( oc->oc_names ) {
386 print_literal(ss,"NAME");
387 print_qdescrs(ss,oc->oc_names);
391 print_literal(ss,"DESC");
392 print_qdstring(ss,oc->oc_desc);
395 if ( oc->oc_obsolete == LDAP_SCHEMA_YES ) {
396 print_literal(ss, "OBSOLETE");
400 if ( oc->oc_sup_oids ) {
401 print_literal(ss,"SUP");
403 print_oids(ss,oc->oc_sup_oids);
407 switch (oc->oc_kind) {
408 case LDAP_SCHEMA_ABSTRACT:
409 print_literal(ss,"ABSTRACT");
411 case LDAP_SCHEMA_STRUCTURAL:
412 print_literal(ss,"STRUCTURAL");
414 case LDAP_SCHEMA_AUXILIARY:
415 print_literal(ss,"AUXILIARY");
418 print_literal(ss,"KIND-UNKNOWN");
423 if ( oc->oc_at_oids_must ) {
424 print_literal(ss,"MUST");
426 print_oids(ss,oc->oc_at_oids_must);
430 if ( oc->oc_at_oids_may ) {
431 print_literal(ss,"MAY");
433 print_oids(ss,oc->oc_at_oids_may);
439 print_extensions(ss, oc->oc_extensions);
441 print_literal(ss, /*(*/")");
443 retstring = LDAP_STRDUP(safe_string_val(ss));
444 safe_string_free(ss);
449 ldap_attributetype2str( const LDAPAttributeType * at )
454 ss = new_safe_string(256);
458 print_literal(ss,"("/*)*/);
461 print_numericoid(ss, at->at_oid);
464 if ( at->at_names ) {
465 print_literal(ss,"NAME");
466 print_qdescrs(ss,at->at_names);
470 print_literal(ss,"DESC");
471 print_qdstring(ss,at->at_desc);
474 if ( at->at_obsolete == LDAP_SCHEMA_YES ) {
475 print_literal(ss, "OBSOLETE");
479 if ( at->at_sup_oid ) {
480 print_literal(ss,"SUP");
481 print_woid(ss,at->at_sup_oid);
484 if ( at->at_equality_oid ) {
485 print_literal(ss,"EQUALITY");
486 print_woid(ss,at->at_equality_oid);
489 if ( at->at_ordering_oid ) {
490 print_literal(ss,"ORDERING");
491 print_woid(ss,at->at_ordering_oid);
494 if ( at->at_substr_oid ) {
495 print_literal(ss,"SUBSTR");
496 print_woid(ss,at->at_substr_oid);
499 if ( at->at_syntax_oid ) {
500 print_literal(ss,"SYNTAX");
502 print_noidlen(ss,at->at_syntax_oid,at->at_syntax_len);
506 if ( at->at_single_value == LDAP_SCHEMA_YES ) {
507 print_literal(ss,"SINGLE-VALUE");
511 if ( at->at_collective == LDAP_SCHEMA_YES ) {
512 print_literal(ss,"COLLECTIVE");
516 if ( at->at_no_user_mod == LDAP_SCHEMA_YES ) {
517 print_literal(ss,"NO-USER-MODIFICATION");
521 if ( at->at_usage != LDAP_SCHEMA_USER_APPLICATIONS ) {
522 print_literal(ss,"USAGE");
524 switch (at->at_usage) {
525 case LDAP_SCHEMA_DIRECTORY_OPERATION:
526 print_literal(ss,"directoryOperation");
528 case LDAP_SCHEMA_DISTRIBUTED_OPERATION:
529 print_literal(ss,"distributedOperation");
531 case LDAP_SCHEMA_DSA_OPERATION:
532 print_literal(ss,"dSAOperation");
535 print_literal(ss,"UNKNOWN");
542 print_extensions(ss, at->at_extensions);
544 print_literal(ss,/*(*/")");
546 retstring = LDAP_STRDUP(safe_string_val(ss));
547 safe_string_free(ss);
552 * Now come the parsers. There is one parser for each entity type:
553 * objectclasses, attributetypes, etc.
555 * Each of them is written as a recursive-descent parser, except that
556 * none of them is really recursive. But the idea is kept: there
557 * is one routine per non-terminal that eithers gobbles lexical tokens
558 * or calls lower-level routines, etc.
560 * The scanner is implemented in the routine get_token. Actually,
561 * get_token is more than a scanner and will return tokens that are
562 * in fact non-terminals in the grammar. So you can see the whole
563 * approach as the combination of a low-level bottom-up recognizer
564 * combined with a scanner and a number of top-down parsers. Or just
565 * consider that the real grammars recognized by the parsers are not
566 * those of the standards. As a matter of fact, our parsers are more
567 * liberal than the spec when there is no ambiguity.
569 * The difference is pretty academic (modulo bugs or incorrect
570 * interpretation of the specs).
573 #define TK_NOENDQUOTE -2
574 #define TK_OUTOFMEM -1
576 #define TK_UNEXPCHAR 1
577 #define TK_BAREWORD 2
578 #define TK_QDSTRING 3
579 #define TK_LEFTPAREN 4
580 #define TK_RIGHTPAREN 5
582 #define TK_QDESCR TK_QDSTRING
590 get_token(const char ** sp, char ** token_val)
608 kind = TK_RIGHTPAREN;
619 while ( **sp != '\'' && **sp != '\0' )
621 if ( **sp == '\'' ) {
623 res = LDAP_MALLOC(q-p+1);
633 kind = TK_NOENDQUOTE;
639 while ( !LDAP_SPACE(**sp) &&
647 res = LDAP_MALLOC(q-p+1);
656 /* kind = TK_UNEXPCHAR; */
663 /* Gobble optional whitespace */
665 parse_whsp(const char **sp)
667 while (LDAP_SPACE(**sp))
672 * General note for all parsers: to guarantee the algorithm halts they
673 * must always advance the pointer even when an error is found. For
674 * this one is not that important since an error here is fatal at the
675 * upper layers, but it is a simple strategy that will not get in
679 /* Parse a sequence of dot-separated decimal strings */
681 parse_numericoid(const char **sp, int *code, const int flags)
684 const char * start = *sp;
688 /* Netscape puts the SYNTAX value in quotes (incorrectly) */
689 if ( flags & LDAP_SCHEMA_ALLOW_QUOTED && **sp == '\'' ) {
694 /* Each iteration of this loop gets one decimal string */
696 if ( !LDAP_DIGIT(**sp) ) {
698 * Initial char is not a digit or char after dot is
701 *code = LDAP_SCHERR_NODIGIT;
705 while ( LDAP_DIGIT(**sp) )
709 /* Otherwise, gobble the dot and loop again */
712 /* Now *sp points at the char past the numericoid. Perfect. */
714 res = LDAP_MALLOC(len+1);
716 *code = LDAP_SCHERR_OUTOFMEM;
719 strncpy(res,start,len);
721 if ( flags & LDAP_SCHEMA_ALLOW_QUOTED && quoted ) {
722 if ( **sp == '\'' ) {
725 *code = LDAP_SCHERR_UNEXPTOKEN;
733 /* Parse a qdescr or a list of them enclosed in () */
735 parse_qdescrs(const char **sp, int *code)
745 kind = get_token(sp,&sval);
746 if ( kind == TK_LEFTPAREN ) {
747 /* Let's presume there will be at least 2 entries */
749 res = LDAP_CALLOC(3,sizeof(char *));
751 *code = LDAP_SCHERR_OUTOFMEM;
757 kind = get_token(sp,&sval);
758 if ( kind == TK_RIGHTPAREN )
760 if ( kind == TK_QDESCR ) {
761 if ( pos == size-2 ) {
763 res1 = LDAP_REALLOC(res,size*sizeof(char *));
767 *code = LDAP_SCHERR_OUTOFMEM;
778 *code = LDAP_SCHERR_UNEXPTOKEN;
785 } else if ( kind == TK_QDESCR ) {
786 res = LDAP_CALLOC(2,sizeof(char *));
788 *code = LDAP_SCHERR_OUTOFMEM;
797 *code = LDAP_SCHERR_BADNAME;
804 parse_woid(const char **sp, int *code)
810 kind = get_token(sp, &sval);
811 if ( kind != TK_BAREWORD ) {
813 *code = LDAP_SCHERR_UNEXPTOKEN;
820 /* Parse a noidlen */
822 parse_noidlen(const char **sp, int *code, int *len, int allow_quoted)
828 /* Netscape puts the SYNTAX value in quotes (incorrectly) */
829 if ( allow_quoted && **sp == '\'' ) {
833 sval = parse_numericoid(sp, code, 0);
837 if ( **sp == '{' /*}*/ ) {
840 while ( LDAP_DIGIT(**sp) )
842 if ( **sp != /*{*/ '}' ) {
843 *code = LDAP_SCHERR_UNEXPTOKEN;
849 if ( allow_quoted && quoted ) {
850 if ( **sp == '\'' ) {
853 *code = LDAP_SCHERR_UNEXPTOKEN;
862 * Next routine will accept a qdstring in place of an oid if
863 * allow_quoted is set. This is necessary to interoperate with
864 * Netscape Directory server that will improperly quote each oid (at
865 * least those of the descr kind) in the SUP clause.
868 /* Parse a woid or a $-separated list of them enclosed in () */
870 parse_oids(const char **sp, int *code, const int allow_quoted)
880 * Strictly speaking, doing this here accepts whsp before the
881 * ( at the begining of an oidlist, but this is harmless. Also,
882 * we are very liberal in what we accept as an OID. Maybe
886 kind = get_token(sp,&sval);
887 if ( kind == TK_LEFTPAREN ) {
888 /* Let's presume there will be at least 2 entries */
890 res = LDAP_CALLOC(3,sizeof(char *));
892 *code = LDAP_SCHERR_OUTOFMEM;
897 kind = get_token(sp,&sval);
898 if ( kind == TK_BAREWORD ||
899 ( allow_quoted && kind == TK_QDSTRING ) ) {
903 *code = LDAP_SCHERR_UNEXPTOKEN;
910 kind = get_token(sp,&sval);
911 if ( kind == TK_RIGHTPAREN )
913 if ( kind == TK_DOLLAR ) {
915 kind = get_token(sp,&sval);
916 if ( kind == TK_BAREWORD ||
918 kind == TK_QDSTRING ) ) {
919 if ( pos == size-2 ) {
921 res1 = LDAP_REALLOC(res,size*sizeof(char *));
925 *code = LDAP_SCHERR_OUTOFMEM;
933 *code = LDAP_SCHERR_UNEXPTOKEN;
940 *code = LDAP_SCHERR_UNEXPTOKEN;
949 } else if ( kind == TK_BAREWORD ||
950 ( allow_quoted && kind == TK_QDSTRING ) ) {
951 res = LDAP_CALLOC(2,sizeof(char *));
954 *code = LDAP_SCHERR_OUTOFMEM;
963 *code = LDAP_SCHERR_BADNAME;
969 add_extension(LDAPSchemaExtensionItem ***extensions,
970 char * name, char ** values)
973 LDAPSchemaExtensionItem **tmp, *ext;
975 ext = LDAP_CALLOC(1, sizeof(LDAPSchemaExtensionItem));
978 ext->lsei_name = name;
979 ext->lsei_values = values;
981 if ( !*extensions ) {
983 LDAP_CALLOC(2, sizeof(LDAPSchemaExtensionItem *));
988 for ( n=0; (*extensions)[n] != NULL; n++ )
990 tmp = LDAP_REALLOC(*extensions,
991 (n+2)*sizeof(LDAPSchemaExtensionItem *));
996 (*extensions)[n] = ext;
997 (*extensions)[n+1] = NULL;
1002 free_extensions(LDAPSchemaExtensionItem **extensions)
1004 LDAPSchemaExtensionItem **ext;
1007 for ( ext = extensions; *ext != NULL; ext++ ) {
1008 LDAP_FREE((*ext)->lsei_name);
1009 LDAP_VFREE((*ext)->lsei_values);
1012 LDAP_FREE(extensions);
1017 ldap_syntax_free( LDAPSyntax * syn )
1019 LDAP_FREE(syn->syn_oid);
1020 LDAP_VFREE(syn->syn_names);
1021 LDAP_FREE(syn->syn_desc);
1022 free_extensions(syn->syn_extensions);
1027 ldap_str2syntax( const char * s, int * code, const char ** errp, const int flags )
1030 const char * ss = s;
1038 *code = LDAP_SCHERR_EMPTY;
1044 syn = LDAP_CALLOC(1,sizeof(LDAPSyntax));
1047 *code = LDAP_SCHERR_OUTOFMEM;
1051 kind = get_token(&ss,&sval);
1052 if ( kind != TK_LEFTPAREN ) {
1054 *code = LDAP_SCHERR_NOLEFTPAREN;
1055 ldap_syntax_free(syn);
1060 syn->syn_oid = parse_numericoid(&ss,code,0);
1061 if ( !syn->syn_oid ) {
1063 ldap_syntax_free(syn);
1069 * Beyond this point we will be liberal and accept the items
1073 kind = get_token(&ss,&sval);
1076 *code = LDAP_SCHERR_NORIGHTPAREN;
1078 ldap_syntax_free(syn);
1083 if ( !strcmp(sval,"NAME") ) {
1086 *code = LDAP_SCHERR_DUPOPT;
1088 ldap_syntax_free(syn);
1092 syn->syn_names = parse_qdescrs(&ss,code);
1093 if ( !syn->syn_names ) {
1094 if ( *code != LDAP_SCHERR_OUTOFMEM )
1095 *code = LDAP_SCHERR_BADNAME;
1097 ldap_syntax_free(syn);
1100 } else if ( !strcmp(sval,"DESC") ) {
1103 *code = LDAP_SCHERR_DUPOPT;
1105 ldap_syntax_free(syn);
1110 kind = get_token(&ss,&sval);
1111 if ( kind != TK_QDSTRING ) {
1112 *code = LDAP_SCHERR_UNEXPTOKEN;
1115 ldap_syntax_free(syn);
1118 syn->syn_desc = sval;
1120 } else if ( sval[0] == 'X' && sval[1] == '-' ) {
1121 /* Should be parse_qdstrings */
1122 ext_vals = parse_qdescrs(&ss, code);
1125 ldap_syntax_free(syn);
1128 if ( add_extension(&syn->syn_extensions,
1130 *code = LDAP_SCHERR_OUTOFMEM;
1133 ldap_syntax_free(syn);
1137 *code = LDAP_SCHERR_UNEXPTOKEN;
1140 ldap_syntax_free(syn);
1145 *code = LDAP_SCHERR_UNEXPTOKEN;
1148 ldap_syntax_free(syn);
1155 ldap_matchingrule_free( LDAPMatchingRule * mr )
1157 LDAP_FREE(mr->mr_oid);
1158 LDAP_VFREE(mr->mr_names);
1159 LDAP_FREE(mr->mr_desc);
1160 LDAP_FREE(mr->mr_syntax_oid);
1161 free_extensions(mr->mr_extensions);
1166 ldap_str2matchingrule( const char * s, int * code, const char ** errp, const int flags )
1169 const char * ss = s;
1173 int seen_obsolete = 0;
1174 int seen_syntax = 0;
1175 LDAPMatchingRule * mr;
1177 const char * savepos;
1180 *code = LDAP_SCHERR_EMPTY;
1186 mr = LDAP_CALLOC(1,sizeof(LDAPMatchingRule));
1189 *code = LDAP_SCHERR_OUTOFMEM;
1193 kind = get_token(&ss,&sval);
1194 if ( kind != TK_LEFTPAREN ) {
1195 *code = LDAP_SCHERR_NOLEFTPAREN;
1197 ldap_matchingrule_free(mr);
1203 mr->mr_oid = parse_numericoid(&ss,code,flags);
1204 if ( !mr->mr_oid ) {
1205 if ( flags & LDAP_SCHEMA_ALLOW_NO_OID ) {
1208 kind = get_token(&ss,&sval);
1209 if ( kind == TK_BAREWORD ) {
1210 if ( !strcmp(sval, "NAME") ||
1211 !strcmp(sval, "DESC") ||
1212 !strcmp(sval, "OBSOLETE") ||
1213 !strcmp(sval, "SYNTAX") ||
1214 !strncmp(sval, "X-", 2) ) {
1215 /* Missing OID, backtrack */
1218 /* Non-numerical OID, ignore */
1224 ldap_matchingrule_free(mr);
1231 * Beyond this point we will be liberal and accept the items
1235 kind = get_token(&ss,&sval);
1238 *code = LDAP_SCHERR_NORIGHTPAREN;
1240 ldap_matchingrule_free(mr);
1245 if ( !strcmp(sval,"NAME") ) {
1248 *code = LDAP_SCHERR_DUPOPT;
1250 ldap_matchingrule_free(mr);
1254 mr->mr_names = parse_qdescrs(&ss,code);
1255 if ( !mr->mr_names ) {
1256 if ( *code != LDAP_SCHERR_OUTOFMEM )
1257 *code = LDAP_SCHERR_BADNAME;
1259 ldap_matchingrule_free(mr);
1262 } else if ( !strcmp(sval,"DESC") ) {
1265 *code = LDAP_SCHERR_DUPOPT;
1267 ldap_matchingrule_free(mr);
1272 kind = get_token(&ss,&sval);
1273 if ( kind != TK_QDSTRING ) {
1274 *code = LDAP_SCHERR_UNEXPTOKEN;
1277 ldap_matchingrule_free(mr);
1282 } else if ( !strcmp(sval,"OBSOLETE") ) {
1284 if ( seen_obsolete ) {
1285 *code = LDAP_SCHERR_DUPOPT;
1287 ldap_matchingrule_free(mr);
1291 mr->mr_obsolete = LDAP_SCHEMA_YES;
1293 } else if ( !strcmp(sval,"SYNTAX") ) {
1295 if ( seen_syntax ) {
1296 *code = LDAP_SCHERR_DUPOPT;
1298 ldap_matchingrule_free(mr);
1304 parse_numericoid(&ss,code,flags);
1305 if ( !mr->mr_syntax_oid ) {
1307 ldap_matchingrule_free(mr);
1311 } else if ( sval[0] == 'X' && sval[1] == '-' ) {
1312 /* Should be parse_qdstrings */
1313 ext_vals = parse_qdescrs(&ss, code);
1316 ldap_matchingrule_free(mr);
1319 if ( add_extension(&mr->mr_extensions,
1321 *code = LDAP_SCHERR_OUTOFMEM;
1324 ldap_matchingrule_free(mr);
1328 *code = LDAP_SCHERR_UNEXPTOKEN;
1331 ldap_matchingrule_free(mr);
1336 *code = LDAP_SCHERR_UNEXPTOKEN;
1339 ldap_matchingrule_free(mr);
1346 ldap_attributetype_free(LDAPAttributeType * at)
1348 LDAP_FREE(at->at_oid);
1349 LDAP_VFREE(at->at_names);
1350 LDAP_FREE(at->at_desc);
1351 LDAP_FREE(at->at_sup_oid);
1352 LDAP_FREE(at->at_equality_oid);
1353 LDAP_FREE(at->at_ordering_oid);
1354 LDAP_FREE(at->at_substr_oid);
1355 LDAP_FREE(at->at_syntax_oid);
1356 free_extensions(at->at_extensions);
1361 ldap_str2attributetype( const char * s, int * code, const char ** errp, const int flags )
1364 const char * ss = s;
1368 int seen_obsolete = 0;
1370 int seen_equality = 0;
1371 int seen_ordering = 0;
1372 int seen_substr = 0;
1373 int seen_syntax = 0;
1375 LDAPAttributeType * at;
1377 const char * savepos;
1380 *code = LDAP_SCHERR_EMPTY;
1386 at = LDAP_CALLOC(1,sizeof(LDAPAttributeType));
1389 *code = LDAP_SCHERR_OUTOFMEM;
1393 kind = get_token(&ss,&sval);
1394 if ( kind != TK_LEFTPAREN ) {
1395 *code = LDAP_SCHERR_NOLEFTPAREN;
1397 ldap_attributetype_free(at);
1402 * Definitions MUST begin with an OID in the numericoid format.
1403 * However, this routine is used by clients to parse the response
1404 * from servers and very well known servers will provide an OID
1405 * in the wrong format or even no OID at all. We do our best to
1406 * extract info from those servers.
1410 at->at_oid = parse_numericoid(&ss,code,0);
1411 if ( !at->at_oid ) {
1412 if ( flags & LDAP_SCHEMA_ALLOW_NO_OID ) {
1415 kind = get_token(&ss,&sval);
1416 if ( kind == TK_BAREWORD ) {
1417 if ( !strcmp(sval, "NAME") ||
1418 !strcmp(sval, "DESC") ||
1419 !strcmp(sval, "OBSOLETE") ||
1420 !strcmp(sval, "SUP") ||
1421 !strcmp(sval, "EQUALITY") ||
1422 !strcmp(sval, "ORDERING") ||
1423 !strcmp(sval, "SUBSTR") ||
1424 !strcmp(sval, "SYNTAX") ||
1425 !strcmp(sval, "SINGLE-VALUE") ||
1426 !strcmp(sval, "COLLECTIVE") ||
1427 !strcmp(sval, "NO-USER-MODIFICATION") ||
1428 !strcmp(sval, "USAGE") ||
1429 !strncmp(sval, "X-", 2) ) {
1430 /* Missing OID, backtrack */
1433 /* Non-numerical OID, ignore */
1439 ldap_attributetype_free(at);
1446 * Beyond this point we will be liberal and accept the items
1450 kind = get_token(&ss,&sval);
1453 *code = LDAP_SCHERR_NORIGHTPAREN;
1455 ldap_attributetype_free(at);
1460 if ( !strcmp(sval,"NAME") ) {
1463 *code = LDAP_SCHERR_DUPOPT;
1465 ldap_attributetype_free(at);
1469 at->at_names = parse_qdescrs(&ss,code);
1470 if ( !at->at_names ) {
1471 if ( *code != LDAP_SCHERR_OUTOFMEM )
1472 *code = LDAP_SCHERR_BADNAME;
1474 ldap_attributetype_free(at);
1477 } else if ( !strcmp(sval,"DESC") ) {
1480 *code = LDAP_SCHERR_DUPOPT;
1482 ldap_attributetype_free(at);
1487 kind = get_token(&ss,&sval);
1488 if ( kind != TK_QDSTRING ) {
1489 *code = LDAP_SCHERR_UNEXPTOKEN;
1492 ldap_attributetype_free(at);
1497 } else if ( !strcmp(sval,"OBSOLETE") ) {
1499 if ( seen_obsolete ) {
1500 *code = LDAP_SCHERR_DUPOPT;
1502 ldap_attributetype_free(at);
1506 at->at_obsolete = LDAP_SCHEMA_YES;
1508 } else if ( !strcmp(sval,"SUP") ) {
1511 *code = LDAP_SCHERR_DUPOPT;
1513 ldap_attributetype_free(at);
1517 at->at_sup_oid = parse_woid(&ss,code);
1518 if ( !at->at_sup_oid ) {
1520 ldap_attributetype_free(at);
1523 } else if ( !strcmp(sval,"EQUALITY") ) {
1525 if ( seen_equality ) {
1526 *code = LDAP_SCHERR_DUPOPT;
1528 ldap_attributetype_free(at);
1532 at->at_equality_oid = parse_woid(&ss,code);
1533 if ( !at->at_equality_oid ) {
1535 ldap_attributetype_free(at);
1538 } else if ( !strcmp(sval,"ORDERING") ) {
1540 if ( seen_ordering ) {
1541 *code = LDAP_SCHERR_DUPOPT;
1543 ldap_attributetype_free(at);
1547 at->at_ordering_oid = parse_woid(&ss,code);
1548 if ( !at->at_ordering_oid ) {
1550 ldap_attributetype_free(at);
1553 } else if ( !strcmp(sval,"SUBSTR") ) {
1555 if ( seen_substr ) {
1556 *code = LDAP_SCHERR_DUPOPT;
1558 ldap_attributetype_free(at);
1562 at->at_substr_oid = parse_woid(&ss,code);
1563 if ( !at->at_substr_oid ) {
1565 ldap_attributetype_free(at);
1568 } else if ( !strcmp(sval,"SYNTAX") ) {
1570 if ( seen_syntax ) {
1571 *code = LDAP_SCHERR_DUPOPT;
1573 ldap_attributetype_free(at);
1583 if ( !at->at_syntax_oid ) {
1585 ldap_attributetype_free(at);
1589 } else if ( !strcmp(sval,"SINGLE-VALUE") ) {
1591 if ( at->at_single_value ) {
1592 *code = LDAP_SCHERR_DUPOPT;
1594 ldap_attributetype_free(at);
1597 at->at_single_value = LDAP_SCHEMA_YES;
1599 } else if ( !strcmp(sval,"COLLECTIVE") ) {
1601 if ( at->at_collective ) {
1602 *code = LDAP_SCHERR_DUPOPT;
1604 ldap_attributetype_free(at);
1607 at->at_collective = LDAP_SCHEMA_YES;
1609 } else if ( !strcmp(sval,"NO-USER-MODIFICATION") ) {
1611 if ( at->at_no_user_mod ) {
1612 *code = LDAP_SCHERR_DUPOPT;
1614 ldap_attributetype_free(at);
1617 at->at_no_user_mod = LDAP_SCHEMA_YES;
1619 } else if ( !strcmp(sval,"USAGE") ) {
1622 *code = LDAP_SCHERR_DUPOPT;
1624 ldap_attributetype_free(at);
1629 kind = get_token(&ss,&sval);
1630 if ( kind != TK_BAREWORD ) {
1631 *code = LDAP_SCHERR_UNEXPTOKEN;
1634 ldap_attributetype_free(at);
1637 if ( !strcasecmp(sval,"userApplications") )
1639 LDAP_SCHEMA_USER_APPLICATIONS;
1640 else if ( !strcasecmp(sval,"directoryOperation") )
1642 LDAP_SCHEMA_DIRECTORY_OPERATION;
1643 else if ( !strcasecmp(sval,"distributedOperation") )
1645 LDAP_SCHEMA_DISTRIBUTED_OPERATION;
1646 else if ( !strcasecmp(sval,"dSAOperation") )
1648 LDAP_SCHEMA_DSA_OPERATION;
1650 *code = LDAP_SCHERR_UNEXPTOKEN;
1653 ldap_attributetype_free(at);
1658 } else if ( sval[0] == 'X' && sval[1] == '-' ) {
1659 /* Should be parse_qdstrings */
1660 ext_vals = parse_qdescrs(&ss, code);
1663 ldap_attributetype_free(at);
1666 if ( add_extension(&at->at_extensions,
1668 *code = LDAP_SCHERR_OUTOFMEM;
1671 ldap_attributetype_free(at);
1675 *code = LDAP_SCHERR_UNEXPTOKEN;
1678 ldap_attributetype_free(at);
1683 *code = LDAP_SCHERR_UNEXPTOKEN;
1686 ldap_attributetype_free(at);
1693 ldap_objectclass_free(LDAPObjectClass * oc)
1695 LDAP_FREE(oc->oc_oid);
1696 LDAP_VFREE(oc->oc_names);
1697 LDAP_FREE(oc->oc_desc);
1698 LDAP_VFREE(oc->oc_sup_oids);
1699 LDAP_VFREE(oc->oc_at_oids_must);
1700 LDAP_VFREE(oc->oc_at_oids_may);
1701 free_extensions(oc->oc_extensions);
1706 ldap_str2objectclass( const char * s, int * code, const char ** errp, const int flags )
1709 const char * ss = s;
1713 int seen_obsolete = 0;
1718 LDAPObjectClass * oc;
1720 const char * savepos;
1723 *code = LDAP_SCHERR_EMPTY;
1729 oc = LDAP_CALLOC(1,sizeof(LDAPObjectClass));
1732 *code = LDAP_SCHERR_OUTOFMEM;
1736 kind = get_token(&ss,&sval);
1737 if ( kind != TK_LEFTPAREN ) {
1738 *code = LDAP_SCHERR_NOLEFTPAREN;
1740 ldap_objectclass_free(oc);
1745 * Definitions MUST begin with an OID in the numericoid format.
1746 * However, this routine is used by clients to parse the response
1747 * from servers and very well known servers will provide an OID
1748 * in the wrong format or even no OID at all. We do our best to
1749 * extract info from those servers.
1753 oc->oc_oid = parse_numericoid(&ss,code,0);
1754 if ( !oc->oc_oid ) {
1755 if ( flags & LDAP_SCHEMA_ALLOW_ALL ) {
1758 kind = get_token(&ss,&sval);
1759 if ( kind == TK_BAREWORD ) {
1760 if ( !strcmp(sval, "NAME") ||
1761 !strcmp(sval, "DESC") ||
1762 !strcmp(sval, "OBSOLETE") ||
1763 !strcmp(sval, "SUP") ||
1764 !strcmp(sval, "ABSTRACT") ||
1765 !strcmp(sval, "STRUCTURAL") ||
1766 !strcmp(sval, "AUXILIARY") ||
1767 !strcmp(sval, "MUST") ||
1768 !strncmp(sval, "X-", 2) ) {
1769 /* Missing OID, backtrack */
1772 /* Non-numerical OID, ignore */
1778 ldap_objectclass_free(oc);
1785 * Beyond this point we will be liberal an accept the items
1789 kind = get_token(&ss,&sval);
1792 *code = LDAP_SCHERR_NORIGHTPAREN;
1794 ldap_objectclass_free(oc);
1799 if ( !strcmp(sval,"NAME") ) {
1802 *code = LDAP_SCHERR_DUPOPT;
1804 ldap_objectclass_free(oc);
1808 oc->oc_names = parse_qdescrs(&ss,code);
1809 if ( !oc->oc_names ) {
1810 if ( *code != LDAP_SCHERR_OUTOFMEM )
1811 *code = LDAP_SCHERR_BADNAME;
1813 ldap_objectclass_free(oc);
1816 } else if ( !strcmp(sval,"DESC") ) {
1819 *code = LDAP_SCHERR_DUPOPT;
1821 ldap_objectclass_free(oc);
1826 kind = get_token(&ss,&sval);
1827 if ( kind != TK_QDSTRING ) {
1828 *code = LDAP_SCHERR_UNEXPTOKEN;
1831 ldap_objectclass_free(oc);
1836 } else if ( !strcmp(sval,"OBSOLETE") ) {
1838 if ( seen_obsolete ) {
1839 *code = LDAP_SCHERR_DUPOPT;
1841 ldap_objectclass_free(oc);
1845 oc->oc_obsolete = LDAP_SCHEMA_YES;
1847 } else if ( !strcmp(sval,"SUP") ) {
1850 *code = LDAP_SCHERR_DUPOPT;
1852 ldap_objectclass_free(oc);
1856 oc->oc_sup_oids = parse_oids(&ss,
1859 if ( !oc->oc_sup_oids ) {
1861 ldap_objectclass_free(oc);
1864 } else if ( !strcmp(sval,"ABSTRACT") ) {
1867 *code = LDAP_SCHERR_DUPOPT;
1869 ldap_objectclass_free(oc);
1873 oc->oc_kind = LDAP_SCHEMA_ABSTRACT;
1875 } else if ( !strcmp(sval,"STRUCTURAL") ) {
1878 *code = LDAP_SCHERR_DUPOPT;
1880 ldap_objectclass_free(oc);
1884 oc->oc_kind = LDAP_SCHEMA_STRUCTURAL;
1886 } else if ( !strcmp(sval,"AUXILIARY") ) {
1889 *code = LDAP_SCHERR_DUPOPT;
1891 ldap_objectclass_free(oc);
1895 oc->oc_kind = LDAP_SCHEMA_AUXILIARY;
1897 } else if ( !strcmp(sval,"MUST") ) {
1900 *code = LDAP_SCHERR_DUPOPT;
1902 ldap_objectclass_free(oc);
1906 oc->oc_at_oids_must = parse_oids(&ss,code,0);
1907 if ( !oc->oc_at_oids_must ) {
1909 ldap_objectclass_free(oc);
1913 } else if ( !strcmp(sval,"MAY") ) {
1916 *code = LDAP_SCHERR_DUPOPT;
1918 ldap_objectclass_free(oc);
1922 oc->oc_at_oids_may = parse_oids(&ss,code,0);
1923 if ( !oc->oc_at_oids_may ) {
1925 ldap_objectclass_free(oc);
1929 } else if ( sval[0] == 'X' && sval[1] == '-' ) {
1930 /* Should be parse_qdstrings */
1931 ext_vals = parse_qdescrs(&ss, code);
1934 ldap_objectclass_free(oc);
1937 if ( add_extension(&oc->oc_extensions,
1939 *code = LDAP_SCHERR_OUTOFMEM;
1942 ldap_objectclass_free(oc);
1946 *code = LDAP_SCHERR_UNEXPTOKEN;
1949 ldap_objectclass_free(oc);
1954 *code = LDAP_SCHERR_UNEXPTOKEN;
1957 ldap_objectclass_free(oc);
1963 static char *const err2text[] = {
1967 "Missing opening parenthesis",
1968 "Missing closing parenthesis",
1974 "Unexpected end of data"
1978 ldap_scherr2str(int code)
1980 if ( code < 0 || code >= (sizeof(err2text)/sizeof(char *)) ) {
1981 return "Unknown error";
1983 return err2text[code];