+/* ad.c - routines for dealing with attribute descriptions */
/* $OpenLDAP$ */
-/*
- * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
- * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2004 The OpenLDAP Foundation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
*/
-/* ad.c - routines for dealing with attribute descriptions */
#include "portable.h"
#include <ac/string.h>
#include <ac/time.h>
-#include "ldap_pvt.h"
#include "slap.h"
+#include "lutil.h"
+
+static AttributeName anlist_no_attrs[] = {
+ { BER_BVC( LDAP_NO_ATTRS ), NULL, 0, NULL },
+ { BER_BVNULL, NULL, 0, NULL }
+};
+
+static AttributeName anlist_all_user_attributes[] = {
+ { BER_BVC( LDAP_ALL_USER_ATTRIBUTES ), NULL, 0, NULL },
+ { BER_BVNULL, NULL, 0, NULL }
+};
+
+static AttributeName anlist_all_operational_attributes[] = {
+ { BER_BVC( LDAP_ALL_OPERATIONAL_ATTRIBUTES ), NULL, 0, NULL },
+ { BER_BVNULL, NULL, 0, NULL }
+};
+
+static AttributeName anlist_all_attributes[] = {
+ { BER_BVC( LDAP_ALL_USER_ATTRIBUTES ), NULL, 0, NULL },
+ { BER_BVC( LDAP_ALL_OPERATIONAL_ATTRIBUTES ), NULL, 0, NULL },
+ { BER_BVNULL, NULL, 0, NULL }
+};
+
+AttributeName *slap_anlist_no_attrs = anlist_no_attrs;
+AttributeName *slap_anlist_all_user_attributes = anlist_all_user_attributes;
+AttributeName *slap_anlist_all_operational_attributes = anlist_all_operational_attributes;
+AttributeName *slap_anlist_all_attributes = anlist_all_attributes;
+
+typedef struct Attr_option {
+ struct berval name; /* option name or prefix */
+ int prefix; /* NAME is a tag and range prefix */
+} Attr_option;
-#ifdef SLAPD_SCHEMA_NOT_COMPAT
+static Attr_option lang_option = { { sizeof("lang-")-1, "lang-" }, 1 };
+
+/* Options sorted by name, and number of options */
+static Attr_option *options = &lang_option;
+static int option_count = 1;
+
+static Attr_option *ad_find_option_definition( const char *opt, int optlen );
static int ad_keystring(
struct berval *bv )
{
ber_len_t i;
- if( !AD_CHAR( bv->bv_val[0] ) ) {
+ if( !AD_LEADCHAR( bv->bv_val[0] ) ) {
return 1;
}
return 0;
}
+void ad_destroy( AttributeDescription *ad )
+{
+ AttributeDescription *n;
+
+ for (; ad != NULL; ad = n) {
+ n = ad->ad_next;
+ ldap_memfree( ad );
+ }
+}
+
+/* Is there an AttributeDescription for this type that uses these tags? */
+AttributeDescription * ad_find_tags(
+ AttributeType *type,
+ struct berval *tags )
+{
+ AttributeDescription *ad;
+
+ ldap_pvt_thread_mutex_lock( &type->sat_ad_mutex );
+ for (ad = type->sat_ad; ad; ad=ad->ad_next)
+ {
+ if (ad->ad_tags.bv_len == tags->bv_len &&
+ !strcasecmp(ad->ad_tags.bv_val, tags->bv_val))
+ break;
+ }
+ ldap_pvt_thread_mutex_unlock( &type->sat_ad_mutex );
+ return ad;
+}
+
int slap_str2ad(
const char *str,
AttributeDescription **ad,
- char **text )
+ const char **text )
{
struct berval bv;
bv.bv_val = (char *) str;
return slap_bv2ad( &bv, ad, text );
}
+static char *strchrlen(
+ const char *p,
+ const char ch,
+ int *len )
+{
+ int i;
+
+ for( i=0; p[i]; i++ ) {
+ if( p[i] == ch ) {
+ *len = i;
+ return (char *) &p[i];
+ }
+ }
+
+ *len = i;
+ return NULL;
+}
+
int slap_bv2ad(
struct berval *bv,
AttributeDescription **ad,
- char **text )
+ const char **text )
{
int rtn = LDAP_UNDEFINED_TYPE;
- int i;
- AttributeDescription desc;
- char **tokens;
+ AttributeDescription desc, *d2;
+ char *name, *options;
+ char *opt, *next;
+ int ntags;
+ int tagslen;
- assert( *ad != NULL );
- assert( *text != NULL );
+ /* hardcoded limits for speed */
+#define MAX_TAGGING_OPTIONS 128
+ struct berval tags[MAX_TAGGING_OPTIONS+1];
+#define MAX_TAGS_LEN 1024
+ char tagbuf[MAX_TAGS_LEN];
- if( bv == NULL || bv->bv_len == 0 ) {
- *text = "empty attribute description";
- return LDAP_UNDEFINED_TYPE;
+ assert( ad != NULL );
+ assert( *ad == NULL ); /* temporary */
+
+ if( bv == NULL || BER_BVISNULL( bv ) || BER_BVISEMPTY( bv ) ) {
+ *text = "empty AttributeDescription";
+ return rtn;
}
/* make sure description is IA5 */
if( ad_keystring( bv ) ) {
- *text = "attribute description contains inappropriate characters";
- return LDAP_UNDEFINED_TYPE;
+ *text = "AttributeDescription contains inappropriate characters";
+ return rtn;
}
- tokens = str2charray( bv->bv_val, ";");
-
- if( tokens == NULL || *tokens == NULL ) {
- *text = "no attribute type";
- goto done;
+ /* find valid base attribute type; parse in place */
+ memset( &desc, 0, sizeof( desc ));
+ desc.ad_cname = *bv;
+ name = bv->bv_val;
+ options = strchr(name, ';');
+ if( options != NULL ) {
+ desc.ad_cname.bv_len = options - name;
}
-
- desc.ad_type = at_find( *tokens );
-
+ desc.ad_type = at_bvfind( &desc.ad_cname );
if( desc.ad_type == NULL ) {
*text = "attribute type undefined";
- goto done;
+ return rtn;
}
- desc.ad_flags = SLAP_DESC_NONE;
- desc.ad_lang = NULL;
+ if( is_at_operational( desc.ad_type ) && options != NULL ) {
+ *text = "operational attribute with options undefined";
+ return rtn;
+ }
- for( i=1; tokens[i] != NULL; i++ ) {
- if( strcasecmp( tokens[i], "binary" ) == 0 ) {
- if( desc.ad_flags & SLAP_DESC_BINARY ) {
+ /*
+ * parse options in place
+ */
+ ntags = 0;
+ memset( tags, 0, sizeof( tags ));
+ tagslen = 0;
+
+ for( opt=options; opt != NULL; opt=next ) {
+ int optlen;
+ opt++;
+ next = strchrlen( opt, ';', &optlen );
+
+ if( optlen == 0 ) {
+ *text = "zero length option is invalid";
+ return rtn;
+
+ } else if ( optlen == sizeof("binary")-1 &&
+ strncasecmp( opt, "binary", sizeof("binary")-1 ) == 0 )
+ {
+ /* binary option */
+ if( slap_ad_is_binary( &desc ) ) {
*text = "option \"binary\" specified multiple times";
- goto done;
+ return rtn;
}
- if(!( desc.ad_type->sat_syntax->ssyn_flags
- & SLAP_SYNTAX_BINARY ))
- {
+ if( !slap_syntax_is_binary( desc.ad_type->sat_syntax )) {
/* not stored in binary, disallow option */
- *text = "option \"binary\" with type not supported";
- goto done;
+ *text = "option \"binary\" not supported with type";
+ return rtn;
}
desc.ad_flags |= SLAP_DESC_BINARY;
+ continue;
- } else if ( strncasecmp( tokens[i], "lang-",
- sizeof("lang-")-1 ) == 0 && tokens[i][sizeof("lang-")-1] )
- {
- if( desc.ad_lang != NULL ) {
- *text = "multiple language tag options specified";
- goto done;
+ } else if ( ad_find_option_definition( opt, optlen ) ) {
+ int i;
+
+ if( opt[optlen-1] == '-' ) {
+ desc.ad_flags |= SLAP_DESC_TAG_RANGE;
+ }
+
+ if( ntags >= MAX_TAGGING_OPTIONS ) {
+ *text = "too many tagging options";
+ return rtn;
}
- desc.ad_lang = tokens[i];
- /* normalize to all lower case, it's easy */
- ldap_pvt_str2lower( desc.ad_lang );
+ /*
+ * tags should be presented in sorted order,
+ * so run the array in reverse.
+ */
+ for( i=ntags-1; i>=0; i-- ) {
+ int rc;
+
+ rc = strncasecmp( opt, tags[i].bv_val,
+ (unsigned) optlen < tags[i].bv_len
+ ? optlen : tags[i].bv_len );
+
+ if( rc == 0 && (unsigned)optlen == tags[i].bv_len ) {
+ /* duplicate (ignore) */
+ goto done;
+
+ } else if ( rc > 0 ||
+ ( rc == 0 && (unsigned)optlen > tags[i].bv_len ))
+ {
+ AC_MEMCPY( &tags[i+2], &tags[i+1],
+ (ntags-i-1)*sizeof(struct berval) );
+ tags[i+1].bv_val = opt;
+ tags[i+1].bv_len = optlen;
+ goto done;
+ }
+ }
+
+ if( ntags ) {
+ AC_MEMCPY( &tags[1], &tags[0],
+ ntags*sizeof(struct berval) );
+ }
+ tags[0].bv_val = opt;
+ tags[0].bv_len = optlen;
+
+done:;
+ tagslen += optlen + 1;
+ ntags++;
} else {
*text = "unrecognized option";
- goto done;
+ return rtn;
+ }
+ }
+
+ if( ntags > 0 ) {
+ int i;
+
+ if( tagslen > MAX_TAGS_LEN ) {
+ *text = "tagging options too long";
+ return rtn;
+ }
+
+ desc.ad_tags.bv_val = tagbuf;
+ tagslen = 0;
+
+ for( i=0; i<ntags; i++ ) {
+ AC_MEMCPY( &desc.ad_tags.bv_val[tagslen],
+ tags[i].bv_val, tags[i].bv_len );
+
+ tagslen += tags[i].bv_len;
+ desc.ad_tags.bv_val[tagslen++] = ';';
+ }
+
+ desc.ad_tags.bv_val[--tagslen] = '\0';
+ desc.ad_tags.bv_len = tagslen;
+ }
+
+ /* see if a matching description is already cached */
+ for (d2 = desc.ad_type->sat_ad; d2; d2=d2->ad_next) {
+ if( d2->ad_flags != desc.ad_flags ) {
+ continue;
+ }
+ if( d2->ad_tags.bv_len != desc.ad_tags.bv_len ) {
+ continue;
+ }
+ if( d2->ad_tags.bv_len == 0 ) {
+ break;
+ }
+ if( strncasecmp( d2->ad_tags.bv_val, desc.ad_tags.bv_val,
+ desc.ad_tags.bv_len ) == 0 )
+ {
+ break;
}
}
- desc.ad_cname = ch_malloc( sizeof( struct berval ) );
+ /* Not found, add new one */
+ while (d2 == NULL) {
+ size_t dlen = 0;
+ ldap_pvt_thread_mutex_lock( &desc.ad_type->sat_ad_mutex );
+ /* check again now that we've locked */
+ for (d2 = desc.ad_type->sat_ad; d2; d2=d2->ad_next) {
+ if (d2->ad_flags != desc.ad_flags)
+ continue;
+ if (d2->ad_tags.bv_len != desc.ad_tags.bv_len)
+ continue;
+ if (d2->ad_tags.bv_len == 0)
+ break;
+ if (strncasecmp(d2->ad_tags.bv_val, desc.ad_tags.bv_val,
+ desc.ad_tags.bv_len) == 0)
+ break;
+ }
+ if (d2) {
+ ldap_pvt_thread_mutex_unlock( &desc.ad_type->sat_ad_mutex );
+ break;
+ }
+
+ /* Allocate a single contiguous block. If there are no
+ * options, we just need space for the AttrDesc structure.
+ * Otherwise, we need to tack on the full name length +
+ * options length, + maybe tagging options length again.
+ */
+ if (desc.ad_tags.bv_len || desc.ad_flags != SLAP_DESC_NONE) {
+ dlen = desc.ad_type->sat_cname.bv_len + 1;
+ if (desc.ad_tags.bv_len) {
+ dlen += 1+desc.ad_tags.bv_len;
+ }
+ if( slap_ad_is_binary( &desc ) ) {
+ dlen += sizeof(";binary")+desc.ad_tags.bv_len;
+ }
+ }
- desc.ad_cname->bv_len = strlen( desc.ad_type->sat_cname );
- if( desc.ad_flags & SLAP_DESC_BINARY ) {
- desc.ad_cname->bv_len += sizeof("binary");
+ d2 = ch_malloc(sizeof(AttributeDescription) + dlen);
+ d2->ad_next = NULL;
+ d2->ad_type = desc.ad_type;
+ d2->ad_flags = desc.ad_flags;
+ d2->ad_cname.bv_len = desc.ad_type->sat_cname.bv_len;
+ d2->ad_tags.bv_len = desc.ad_tags.bv_len;
+
+ if (dlen == 0) {
+ d2->ad_cname.bv_val = d2->ad_type->sat_cname.bv_val;
+ d2->ad_tags.bv_val = NULL;
+ } else {
+ char *cp, *op, *lp;
+ int j;
+ d2->ad_cname.bv_val = (char *)(d2+1);
+ strcpy(d2->ad_cname.bv_val, d2->ad_type->sat_cname.bv_val);
+ cp = d2->ad_cname.bv_val + d2->ad_cname.bv_len;
+ if( slap_ad_is_binary( &desc ) ) {
+ op = cp;
+ lp = NULL;
+ if( desc.ad_tags.bv_len ) {
+ lp = desc.ad_tags.bv_val;
+ while( strncasecmp(lp, "binary", sizeof("binary")-1) < 0
+ && (lp = strchr( lp, ';' )) != NULL )
+ ++lp;
+ if( lp != desc.ad_tags.bv_val ) {
+ *cp++ = ';';
+ j = (lp
+ ? lp - desc.ad_tags.bv_val - 1
+ : strlen( desc.ad_tags.bv_val ));
+ cp = lutil_strncopy(cp, desc.ad_tags.bv_val, j);
+ }
+ }
+ cp = lutil_strcopy(cp, ";binary");
+ if( lp != NULL ) {
+ *cp++ = ';';
+ cp = lutil_strcopy(cp, lp);
+ }
+ d2->ad_cname.bv_len = cp - d2->ad_cname.bv_val;
+ if( desc.ad_tags.bv_len )
+ ldap_pvt_str2lower(op);
+ j = 1;
+ } else {
+ j = 0;
+ }
+ if( desc.ad_tags.bv_len ) {
+ lp = d2->ad_cname.bv_val + d2->ad_cname.bv_len + j;
+ if ( j == 0 )
+ *lp++ = ';';
+ d2->ad_tags.bv_val = lp;
+ strcpy(lp, desc.ad_tags.bv_val);
+ ldap_pvt_str2lower(lp);
+ if( j == 0 )
+ d2->ad_cname.bv_len += 1 + desc.ad_tags.bv_len;
+ }
+ }
+ /* Add new desc to list. We always want the bare Desc with
+ * no options to stay at the head of the list, assuming
+ * that one will be used most frequently.
+ */
+ if (desc.ad_type->sat_ad == NULL || dlen == 0) {
+ d2->ad_next = desc.ad_type->sat_ad;
+ desc.ad_type->sat_ad = d2;
+ } else {
+ d2->ad_next = desc.ad_type->sat_ad->ad_next;
+ desc.ad_type->sat_ad->ad_next = d2;
+ }
+ ldap_pvt_thread_mutex_unlock( &desc.ad_type->sat_ad_mutex );
}
- if( desc.ad_lang != NULL ) {
- desc.ad_cname->bv_len += strlen( desc.ad_lang );
+
+ if( *ad == NULL ) {
+ *ad = d2;
+ } else {
+ **ad = *d2;
}
- desc.ad_cname = ch_malloc( desc.ad_cname->bv_len + 1 );
+ return LDAP_SUCCESS;
+}
+
+static int is_ad_subtags(
+ struct berval *subtagsbv,
+ struct berval *suptagsbv )
+{
+ const char *suptags, *supp, *supdelimp;
+ const char *subtags, *subp, *subdelimp;
+ int suplen, sublen;
+
+ subtags =subtagsbv->bv_val;
+ suptags =suptagsbv->bv_val;
+
+ for( supp=suptags ; supp; supp=supdelimp ) {
+ supdelimp = strchrlen( supp, ';', &suplen );
+ if( supdelimp ) supdelimp++;
+
+ for( subp=subtags ; subp; subp=subdelimp ) {
+ subdelimp = strchrlen( subp, ';', &sublen );
+ if( subdelimp ) subdelimp++;
+
+ if ( suplen > sublen
+ ? ( suplen-1 == sublen && supp[suplen-1] == '-'
+ && strncmp( supp, subp, sublen ) == 0 )
+ : ( ( suplen == sublen || supp[suplen-1] == '-' )
+ && strncmp( supp, subp, suplen ) == 0 ) )
+ {
+ goto match;
+ }
+ }
- strcpy( desc.ad_cname->bv_val, desc.ad_type->sat_cname );
- strcat( desc.ad_cname->bv_val, ";binary" );
- if( desc.ad_flags & SLAP_DESC_BINARY ) {
- strcat( desc.ad_cname->bv_val, ";binary" );
+ return 0;
+match:;
}
+ return 1;
+}
+
+int is_ad_subtype(
+ AttributeDescription *sub,
+ AttributeDescription *super
+)
+{
+ AttributeType *a;
+ int lr;
- if( desc.ad_lang != NULL ) {
- strcat( desc.ad_cname->bv_val, ";" );
- strcat( desc.ad_cname->bv_val, desc.ad_lang );
+ for ( a = sub->ad_type; a; a=a->sat_sup ) {
+ if ( a == super->ad_type ) break;
+ }
+ if( !a ) {
+ return 0;
}
- *ad = ch_malloc( sizeof( AttributeDescription ) );
- **ad = desc;
+ /* ensure sub does support all flags of super */
+ lr = sub->ad_tags.bv_len ? SLAP_DESC_TAG_RANGE : 0;
+ if(( super->ad_flags & ( sub->ad_flags | lr )) != super->ad_flags ) {
+ return 0;
+ }
- rtn = LDAP_SUCCESS;
+ /* check for tagging options */
+ if ( super->ad_tags.bv_len == 0 )
+ return 1;
+ if ( sub->ad_tags.bv_len == 0 )
+ return 0;
-done:
- charray_free( tokens );
- return rtn;
+ return is_ad_subtags( &sub->ad_tags, &super->ad_tags );
}
-void
-ad_free( AttributeDescription *ad, int freeit )
+int ad_inlist(
+ AttributeDescription *desc,
+ AttributeName *attrs )
{
- if( ad == NULL ) return;
+ if (! attrs ) return 0;
- ber_bvfree( ad->ad_cname );
- free( ad->ad_lang );
+ for( ; attrs->an_name.bv_val; attrs++ ) {
+ AttributeType *a;
+ ObjectClass *oc;
+ int rc;
+
+ if ( attrs->an_desc ) {
+ int lr;
- if( freeit ) free( ad );
+ if ( desc == attrs->an_desc ) {
+ return 1;
+ }
+
+ /*
+ * EXTENSION: if requested description is preceeded by
+ * a '-' character, do not match on subtypes.
+ */
+ if ( attrs->an_name.bv_val[0] == '-' ) {
+ continue;
+ }
+
+ /* Is this a subtype of the requested attr? */
+ for (a = desc->ad_type; a; a=a->sat_sup) {
+ if ( a == attrs->an_desc->ad_type )
+ break;
+ }
+ if ( !a ) {
+ continue;
+ }
+ /* Does desc support all the requested flags? */
+ lr = desc->ad_tags.bv_len ? SLAP_DESC_TAG_RANGE : 0;
+ if(( attrs->an_desc->ad_flags & (desc->ad_flags | lr))
+ != attrs->an_desc->ad_flags ) {
+ continue;
+ }
+ /* Do the descs have compatible tags? */
+ if ( attrs->an_desc->ad_tags.bv_len == 0 ) {
+ return 1;
+ }
+ if ( desc->ad_tags.bv_len == 0) {
+ continue;
+ }
+ if ( is_ad_subtags( &desc->ad_tags,
+ &attrs->an_desc->ad_tags ) ) {
+ return 1;
+ }
+ continue;
+ }
+
+ /*
+ * EXTENSION: see if requested description is @objectClass
+ * if so, return attributes which the class requires/allows
+ * else if requested description is !objectClass, return
+ * attributes which the class does not require/allow
+ */
+ oc = attrs->an_oc;
+ if( oc == NULL && attrs->an_name.bv_val ) {
+ switch( attrs->an_name.bv_val[0] ) {
+ case '@': /* @objectClass */
+ case '+': /* +objectClass (deprecated) */
+ case '!': { /* exclude */
+ struct berval ocname;
+ ocname.bv_len = attrs->an_name.bv_len - 1;
+ ocname.bv_val = &attrs->an_name.bv_val[1];
+ oc = oc_bvfind( &ocname );
+ attrs->an_oc_exclude = 0;
+ if ( oc && attrs->an_name.bv_val[0] == '!' ) {
+ attrs->an_oc_exclude = 1;
+ }
+ } break;
+
+ default: /* old (deprecated) way */
+ oc = oc_bvfind( &attrs->an_name );
+ }
+ attrs->an_oc = oc;
+ }
+ if( oc != NULL ) {
+ if ( attrs->an_oc_exclude ) {
+ int gotit = 0;
+
+ if ( oc == slap_schema.si_oc_extensibleObject ) {
+ /* extensibleObject allows the return of anything */
+ return 0;
+ }
+
+ if( oc->soc_required ) {
+ /* allow return of required attributes */
+ int i;
+
+ for ( i = 0; oc->soc_required[i] != NULL; i++ ) {
+ for (a = desc->ad_type; a; a=a->sat_sup) {
+ if ( a == oc->soc_required[i] ) {
+ return 0;
+ }
+ }
+ }
+ }
+
+ if( oc->soc_allowed ) {
+ /* allow return of allowed attributes */
+ int i;
+ for ( i = 0; oc->soc_allowed[i] != NULL; i++ ) {
+ for (a = desc->ad_type; a; a=a->sat_sup) {
+ if ( a == oc->soc_allowed[i] ) {
+ return 0;
+ }
+ }
+ }
+ }
+
+ return 1;
+ }
+
+ if ( oc == slap_schema.si_oc_extensibleObject ) {
+ /* extensibleObject allows the return of anything */
+ return 1;
+ }
+
+ if( oc->soc_required ) {
+ /* allow return of required attributes */
+ int i;
+
+ for ( i = 0; oc->soc_required[i] != NULL; i++ ) {
+ for (a = desc->ad_type; a; a=a->sat_sup) {
+ if ( a == oc->soc_required[i] ) {
+ return 1;
+ }
+ }
+ }
+ }
+
+ if( oc->soc_allowed ) {
+ /* allow return of allowed attributes */
+ int i;
+ for ( i = 0; oc->soc_allowed[i] != NULL; i++ ) {
+ for (a = desc->ad_type; a; a=a->sat_sup) {
+ if ( a == oc->soc_allowed[i] ) {
+ return 1;
+ }
+ }
+ }
+ }
+
+ } else {
+ /* short-circuit this search next time around */
+ if (!slap_schema.si_at_undefined->sat_ad) {
+ const char *text;
+ slap_bv2undef_ad(&attrs->an_name,
+ &attrs->an_desc, &text);
+ } else {
+ attrs->an_desc =
+ slap_schema.si_at_undefined->sat_ad;
+ }
+ }
+ }
+
+ return 0;
}
-#endif
+int slap_str2undef_ad(
+ const char *str,
+ AttributeDescription **ad,
+ const char **text )
+{
+ struct berval bv;
+ bv.bv_val = (char *) str;
+ bv.bv_len = strlen( str );
+
+ return slap_bv2undef_ad( &bv, ad, text );
+}
+
+int slap_bv2undef_ad(
+ struct berval *bv,
+ AttributeDescription **ad,
+ const char **text )
+{
+ AttributeDescription *desc;
+
+ assert( ad != NULL );
+
+ if( bv == NULL || bv->bv_len == 0 ) {
+ *text = "empty AttributeDescription";
+ return LDAP_UNDEFINED_TYPE;
+ }
+
+ /* make sure description is IA5 */
+ if( ad_keystring( bv ) ) {
+ *text = "AttributeDescription contains inappropriate characters";
+ return LDAP_UNDEFINED_TYPE;
+ }
+
+ for( desc = slap_schema.si_at_undefined->sat_ad; desc;
+ desc=desc->ad_next )
+ {
+ if( desc->ad_cname.bv_len == bv->bv_len &&
+ !strcasecmp( desc->ad_cname.bv_val, bv->bv_val ))
+ {
+ break;
+ }
+ }
+
+ if( !desc ) {
+ desc = ch_malloc(sizeof(AttributeDescription) + 1 +
+ bv->bv_len);
+
+ desc->ad_flags = SLAP_DESC_NONE;
+ desc->ad_tags.bv_val = NULL;
+ desc->ad_tags.bv_len = 0;
+
+ desc->ad_cname.bv_len = bv->bv_len;
+ desc->ad_cname.bv_val = (char *)(desc+1);
+ strcpy(desc->ad_cname.bv_val, bv->bv_val);
+
+ /* canonical to upper case */
+ ldap_pvt_str2upper( desc->ad_cname.bv_val );
+
+ desc->ad_type = slap_schema.si_at_undefined;
+ desc->ad_next = desc->ad_type->sat_ad;
+ desc->ad_type->sat_ad = desc;
+ }
+
+ if( !*ad ) {
+ *ad = desc;
+ } else {
+ **ad = *desc;
+ }
+
+ return LDAP_SUCCESS;
+}
+
+int
+an_find(
+ AttributeName *a,
+ struct berval *s
+)
+{
+ if( a == NULL ) return 0;
+
+ for ( ; a->an_name.bv_val; a++ ) {
+ if ( a->an_name.bv_len != s->bv_len) continue;
+ if ( strcasecmp( s->bv_val, a->an_name.bv_val ) == 0 ) {
+ return( 1 );
+ }
+ }
+
+ return( 0 );
+}
+
+/*
+ * Convert a delimited string into a list of AttributeNames; add
+ * on to an existing list if it was given. If the string is not
+ * a valid attribute name, if a '-' is prepended it is skipped
+ * and the remaining name is tried again; if a '@' (or '+') is
+ * prepended, an objectclass name is searched instead; if a '!'
+ * is prepended, the objectclass name is negated.
+ *
+ * NOTE: currently, if a valid attribute name is not found, the
+ * same string is also checked as valid objectclass name; however,
+ * this behavior is deprecated.
+ */
+AttributeName *
+str2anlist( AttributeName *an, char *in, const char *brkstr )
+{
+ char *str;
+ char *s;
+ char *lasts;
+ int i, j;
+ const char *text;
+ AttributeName *anew;
+
+ /* find last element in list */
+ for (i = 0; an && an[i].an_name.bv_val; i++);
+
+ /* protect the input string from strtok */
+ str = ch_strdup( in );
+
+ /* Count words in string */
+ j=1;
+ for ( s = str; *s; s++ ) {
+ if ( strchr( brkstr, *s ) != NULL ) {
+ j++;
+ }
+ }
+
+ an = ch_realloc( an, ( i + j + 1 ) * sizeof( AttributeName ) );
+ BER_BVZERO( &an[i + j].an_name );
+ anew = an + i;
+ for ( s = ldap_pvt_strtok( str, brkstr, &lasts );
+ s != NULL;
+ s = ldap_pvt_strtok( NULL, brkstr, &lasts ) )
+ {
+ anew->an_desc = NULL;
+ anew->an_oc = NULL;
+ anew->an_oc_exclude = 0;
+ ber_str2bv(s, 0, 1, &anew->an_name);
+ slap_bv2ad(&anew->an_name, &anew->an_desc, &text);
+ if ( !anew->an_desc ) {
+ switch( anew->an_name.bv_val[0] ) {
+ case '-': {
+ struct berval adname;
+ adname.bv_len = anew->an_name.bv_len - 1;
+ adname.bv_val = &anew->an_name.bv_val[1];
+ slap_bv2ad(&adname, &anew->an_desc, &text);
+ if ( !anew->an_desc ) {
+ goto reterr;
+ }
+ } break;
+
+ case '@':
+ case '+': /* (deprecated) */
+ case '!': {
+ struct berval ocname;
+ ocname.bv_len = anew->an_name.bv_len - 1;
+ ocname.bv_val = &anew->an_name.bv_val[1];
+ anew->an_oc = oc_bvfind( &ocname );
+ if ( !anew->an_oc ) {
+ goto reterr;
+ }
+
+ if ( anew->an_name.bv_val[0] == '!' ) {
+ anew->an_oc_exclude = 1;
+ }
+ } break;
+
+ default:
+ /* old (deprecated) way */
+ anew->an_oc = oc_bvfind( &anew->an_name );
+ if ( !anew->an_oc ) {
+ goto reterr;
+ }
+ }
+ }
+ anew++;
+ }
+
+ anew->an_name.bv_val = NULL;
+ free( str );
+ return( an );
+
+reterr:
+ for ( i = 0; an[i].an_name.bv_val; i++ ) {
+ free( an[i].an_name.bv_val );
+ }
+ free( an );
+ /*
+ * overwrites input string
+ * on error!
+ */
+ strcpy( in, s );
+ free( str );
+ return NULL;
+}
+
+char **anlist2charray_x( AttributeName *an, int dup, void *ctx )
+{
+ char **attrs;
+ int i;
+
+ if ( an != NULL ) {
+ for ( i = 0; !BER_BVISNULL( &an[i].an_name ); i++ )
+ ;
+ attrs = (char **) slap_sl_malloc( (i + 1) * sizeof(char *), ctx );
+ for ( i = 0; !BER_BVISNULL( &an[i].an_name ); i++ ) {
+ if ( dup )
+ attrs[i] = ch_strdup( an[i].an_name.bv_val );
+ else
+ attrs[i] = an[i].an_name.bv_val;
+ }
+ attrs[i] = NULL;
+ } else {
+ attrs = NULL;
+ }
+
+ return attrs;
+}
+
+char **anlist2charray( AttributeName *an, int dup )
+{
+ return anlist2charray_x( an, dup, NULL );
+}
+
+char**
+anlist2attrs( AttributeName * anlist )
+{
+ int i, j, k = 0;
+ int n;
+ char **attrs;
+ ObjectClass *oc;
+
+ attrs = anlist2charray( anlist, 1 );
+
+ for ( i = 0; anlist[i].an_name.bv_val; i++ ) {
+ if ( ( oc = anlist[i].an_oc ) ) {
+ for ( j = 0; oc->soc_required && oc->soc_required[j]; j++ ) ;
+ k += j;
+ for ( j = 0; oc->soc_allowed && oc->soc_allowed[j]; j++ ) ;
+ k += j;
+ }
+ }
+
+ if ( i == 0 )
+ return NULL;
+
+ n = i;
+
+ if ( k )
+ attrs = (char **) ch_realloc( attrs, (i + k + 1) * sizeof( char * ));
+
+ for ( i = 0; anlist[i].an_name.bv_val; i++ ) {
+ if ( ( oc = anlist[i].an_oc ) ) {
+ for ( j = 0; oc->soc_required && oc->soc_required[j]; j++ ) {
+ attrs[n++] = ch_strdup(
+ oc->soc_required[j]->sat_cname.bv_val );
+ }
+ for ( j = 0; oc->soc_allowed && oc->soc_allowed[j]; j++ ) {
+ attrs[n++] = ch_strdup(
+ oc->soc_allowed[j]->sat_cname.bv_val );
+ }
+ }
+ }
+
+ if ( attrs )
+ attrs[n] = NULL;
+
+ i = 0;
+ while ( attrs && attrs[i] ) {
+ if ( *attrs[i] == '@' ) {
+ for ( j = i; attrs[j]; j++ ) {
+ if ( j == i )
+ ch_free( attrs[i] );
+ attrs[j] = attrs[j+1];
+ }
+ } else {
+ i++;
+ }
+ }
+
+ for ( i = 0; attrs && attrs[i]; i++ ) {
+ j = i + 1;
+ while ( attrs && attrs[j] ) {
+ if ( !strcmp( attrs[i], attrs[j] )) {
+ for ( k = j; attrs && attrs[k]; k++ ) {
+ if ( k == j )
+ ch_free( attrs[j] );
+ attrs[k] = attrs[k+1];
+ }
+ } else {
+ j++;
+ }
+ }
+ }
+
+ if ( i != n )
+ attrs = (char **) ch_realloc( attrs, (i+1) * sizeof( char * ));
+
+ return attrs;
+}
+
+#define LBUFSIZ 80
+AttributeName*
+file2anlist( AttributeName *an, const char *fname, const char *brkstr )
+{
+ FILE *fp;
+ char *line = NULL;
+ char *lcur = NULL;
+ char *c;
+ size_t lmax = LBUFSIZ;
+
+ fp = fopen( fname, "r" );
+ if ( fp == NULL ) {
+ Debug( LDAP_DEBUG_ANY,
+ "get_attrs_from_file: failed to open attribute list file "
+ "\"%s\": %s\n", fname, strerror(errno), 0 );
+ return NULL;
+ }
+
+ lcur = line = (char *) ch_malloc( lmax );
+ if ( !line ) {
+ Debug( LDAP_DEBUG_ANY,
+ "get_attrs_from_file: could not allocate memory\n",
+ 0, 0, 0 );
+ fclose(fp);
+ return NULL;
+ }
+
+ while ( fgets( lcur, LBUFSIZ, fp ) != NULL ) {
+ char *str, *s, *next;
+ const char *delimstr = brkstr;
+ if ( ( c = strchr( lcur, '\n' ) ) ) {
+ if ( c == line ) {
+ *c = '\0';
+ } else if ( *(c-1) == '\r' ) {
+ *(c-1) = '\0';
+ } else {
+ *c = '\0';
+ }
+ } else {
+ lmax += LBUFSIZ;
+ line = (char *) ch_realloc( line, lmax );
+ if ( !line ) {
+ Debug( LDAP_DEBUG_ANY,
+ "get_attrs_from_file: could not allocate memory\n",
+ 0, 0, 0 );
+ fclose(fp);
+ return NULL;
+ }
+ lcur = line + strlen( line );
+ continue;
+ }
+ an = str2anlist( an, line, brkstr );
+ if ( an == NULL )
+ return NULL;
+ lcur = line;
+ }
+ ch_free( line );
+ fclose(fp);
+ return an;
+}
+#undef LBUFSIZ
+
+/* Define an attribute option. */
+int
+ad_define_option( const char *name, const char *fname, int lineno )
+{
+ int i;
+ unsigned int optlen;
+
+ if ( options == &lang_option ) {
+ options = NULL;
+ option_count = 0;
+ }
+ if ( name == NULL )
+ return 0;
+
+ optlen = 0;
+ do {
+ if ( !DESC_CHAR( name[optlen] ) ) {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: illegal option name \"%s\"\n",
+ fname, lineno, name );
+ return 1;
+ }
+ } while ( name[++optlen] );
+
+ options = ch_realloc( options,
+ (option_count+1) * sizeof(Attr_option) );
+
+ if ( strcasecmp( name, "binary" ) == 0
+ || ad_find_option_definition( name, optlen ) ) {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: option \"%s\" is already defined\n",
+ fname, lineno, name );
+ return 1;
+ }
+
+ for ( i = option_count; i; --i ) {
+ if ( strcasecmp( name, options[i-1].name.bv_val ) >= 0 )
+ break;
+ options[i] = options[i-1];
+ }
+
+ options[i].name.bv_val = ch_strdup( name );
+ options[i].name.bv_len = optlen;
+ options[i].prefix = (name[optlen-1] == '-');
+
+ if ( i != option_count &&
+ options[i].prefix &&
+ optlen < options[i+1].name.bv_len &&
+ strncasecmp( name, options[i+1].name.bv_val, optlen ) == 0 ) {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: option \"%s\" overrides previous option\n",
+ fname, lineno, name );
+ return 1;
+ }
+
+ option_count++;
+ return 0;
+}
+
+/* Find the definition of the option name or prefix matching the arguments */
+static Attr_option *
+ad_find_option_definition( const char *opt, int optlen )
+{
+ int top = 0, bot = option_count;
+ while ( top < bot ) {
+ int mid = (top + bot) / 2;
+ int mlen = options[mid].name.bv_len;
+ char *mname = options[mid].name.bv_val;
+ int j;
+ if ( optlen < mlen ) {
+ j = strncasecmp( opt, mname, optlen ) - 1;
+ } else {
+ j = strncasecmp( opt, mname, mlen );
+ if ( j==0 && (optlen==mlen || options[mid].prefix) )
+ return &options[mid];
+ }
+ if ( j < 0 )
+ bot = mid;
+ else
+ top = mid + 1;
+ }
+ return NULL;
+}
+
+MatchingRule *ad_mr(
+ AttributeDescription *ad,
+ unsigned usage )
+{
+ switch( usage & SLAP_MR_TYPE_MASK ) {
+ case SLAP_MR_NONE:
+ case SLAP_MR_EQUALITY:
+ return ad->ad_type->sat_equality;
+ break;
+ case SLAP_MR_ORDERING:
+ return ad->ad_type->sat_ordering;
+ break;
+ case SLAP_MR_SUBSTR:
+ return ad->ad_type->sat_substr;
+ break;
+ case SLAP_MR_EXT:
+ default:
+ assert( 0 /* ad_mr: bad usage */);
+ }
+ return NULL;
+}