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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 16:35:32 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 16:35:32 +0000
commit5ea77a75dd2d2158401331879f3c8f47940a732c (patch)
treed89dc06e9f4850a900f161e25f84e922c4f86cc8 /servers/slapd/ad.c
parentInitial commit. (diff)
downloadopenldap-5ea77a75dd2d2158401331879f3c8f47940a732c.tar.xz
openldap-5ea77a75dd2d2158401331879f3c8f47940a732c.zip
Adding upstream version 2.5.13+dfsg.upstream/2.5.13+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'servers/slapd/ad.c')
-rw-r--r--servers/slapd/ad.c1313
1 files changed, 1313 insertions, 0 deletions
diff --git a/servers/slapd/ad.c b/servers/slapd/ad.c
new file mode 100644
index 0000000..6b643f5
--- /dev/null
+++ b/servers/slapd/ad.c
@@ -0,0 +1,1313 @@
+/* ad.c - routines for dealing with attribute descriptions */
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2022 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>.
+ */
+
+#include "portable.h"
+
+#include <stdio.h>
+
+#include <ac/ctype.h>
+#include <ac/errno.h>
+#include <ac/socket.h>
+#include <ac/string.h>
+#include <ac/time.h>
+
+#include "slap.h"
+#include "lutil.h"
+
+static struct berval bv_no_attrs = BER_BVC( LDAP_NO_ATTRS );
+static struct berval bv_all_user_attrs = BER_BVC( "*" );
+static struct berval bv_all_operational_attrs = BER_BVC( "+" );
+
+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;
+
+struct berval * slap_bv_no_attrs = &bv_no_attrs;
+struct berval * slap_bv_all_user_attrs = &bv_all_user_attrs;
+struct berval * slap_bv_all_operational_attrs = &bv_all_operational_attrs;
+
+typedef struct Attr_option {
+ struct berval name; /* option name or prefix */
+ int prefix; /* NAME is a tag and range prefix */
+} Attr_option;
+
+static Attr_option lang_option = { BER_BVC("lang-"), 1 };
+
+/* Options sorted by name, and number of options */
+static Attr_option *options = &lang_option;
+static int option_count = 1;
+
+static int msad_range_hack = 0;
+
+static int ad_count;
+
+static Attr_option *ad_find_option_definition( const char *opt, int optlen );
+
+int ad_keystring(
+ struct berval *bv )
+{
+ ber_len_t i;
+
+ if( !AD_LEADCHAR( bv->bv_val[0] ) ) {
+ return 1;
+ }
+
+ for( i=1; i<bv->bv_len; i++ ) {
+ if( !AD_CHAR( bv->bv_val[i] )) {
+ if ( msad_range_hack && bv->bv_val[i] == '=' )
+ continue;
+ 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,
+ const char **text )
+{
+ struct berval bv;
+ bv.bv_val = (char *) str;
+ bv.bv_len = strlen( str );
+
+ return slap_bv2ad( &bv, ad, text );
+}
+
+static char *strchrlen(
+ const char *beg,
+ const char *end,
+ const char ch,
+ int *len )
+{
+ const char *p;
+
+ for( p=beg; p < end && *p; p++ ) {
+ if( *p == ch ) {
+ *len = p - beg;
+ return (char *) p;
+ }
+ }
+
+ *len = p - beg;
+ return NULL;
+}
+
+int slap_bv2ad(
+ struct berval *bv,
+ AttributeDescription **ad,
+ const char **text )
+{
+ int rtn = LDAP_UNDEFINED_TYPE;
+ AttributeDescription desc, *d2;
+ char *name, *options, *optn;
+ char *opt, *next;
+ int ntags;
+ int tagslen;
+
+ /* 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];
+
+ 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 = "AttributeDescription contains inappropriate characters";
+ return rtn;
+ }
+
+ /* find valid base attribute type; parse in place */
+ desc.ad_cname = *bv;
+ desc.ad_flags = 0;
+ BER_BVZERO( &desc.ad_tags );
+ name = bv->bv_val;
+ options = ber_bvchr( bv, ';' );
+ if ( options != NULL && (unsigned) ( options - name ) < bv->bv_len ) {
+ /* don't go past the end of the berval! */
+ desc.ad_cname.bv_len = options - name;
+ } else {
+ options = NULL;
+ }
+ desc.ad_type = at_bvfind( &desc.ad_cname );
+ if( desc.ad_type == NULL ) {
+ *text = "attribute type undefined";
+ return rtn;
+ }
+
+ if( is_at_operational( desc.ad_type ) && options != NULL ) {
+ *text = "operational attribute with options undefined";
+ return rtn;
+ }
+
+ /*
+ * parse options in place
+ */
+ ntags = 0;
+ tagslen = 0;
+ optn = bv->bv_val + bv->bv_len;
+
+ for( opt=options; opt != NULL; opt=next ) {
+ Attr_option *aopt;
+ int optlen;
+ opt++;
+ next = strchrlen( opt, optn, ';', &optlen );
+
+ if( optlen == 0 ) {
+ *text = "zero length option is invalid";
+ return rtn;
+
+ } else if ( optlen == STRLENOF("binary") &&
+ strncasecmp( opt, "binary", STRLENOF("binary") ) == 0 )
+ {
+ /* binary option */
+ if( slap_ad_is_binary( &desc ) ) {
+ *text = "option \"binary\" specified multiple times";
+ return rtn;
+ }
+
+ if( !slap_syntax_is_binary( desc.ad_type->sat_syntax )) {
+ /* not stored in binary, disallow option */
+ *text = "option \"binary\" not supported with type";
+ return rtn;
+ }
+
+ desc.ad_flags |= SLAP_DESC_BINARY;
+ continue;
+
+ } else if (( aopt = ad_find_option_definition( opt, optlen )) ) {
+ int i;
+
+ if( opt[optlen-1] == '-' ||
+ ( aopt->name.bv_val[aopt->name.bv_len-1] == '=' && msad_range_hack )) {
+ desc.ad_flags |= SLAP_DESC_TAG_RANGE;
+ }
+
+ if( ntags >= MAX_TAGGING_OPTIONS ) {
+ *text = "too many tagging options";
+ return rtn;
+ }
+
+ /*
+ * 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
+ ? (unsigned) optlen : tags[i].bv_len );
+
+ if( rc == 0 && (unsigned)optlen == tags[i].bv_len ) {
+ /* duplicate (ignore) */
+ ntags--;
+ 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";
+ 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;
+ }
+ }
+
+ /* 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 += 1 + STRLENOF(";binary") + desc.ad_tags.bv_len;
+ }
+ }
+
+ 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;
+ ldap_pvt_thread_mutex_lock( &ad_index_mutex );
+ d2->ad_index = ++ad_count;
+ ldap_pvt_thread_mutex_unlock( &ad_index_mutex );
+
+ 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", STRLENOF("binary")) < 0
+ && (lp = strchr( lp, ';' )) != NULL )
+ ++lp;
+ if( lp != desc.ad_tags.bv_val ) {
+ *cp++ = ';';
+ j = (lp
+ ? (unsigned) (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( *ad == NULL ) {
+ *ad = d2;
+ } else {
+ **ad = *d2;
+ }
+
+ return LDAP_SUCCESS;
+}
+
+static int is_ad_subtags(
+ struct berval *subtagsbv,
+ struct berval *suptagsbv )
+{
+ const char *suptags, *supp, *supdelimp, *supn;
+ const char *subtags, *subp, *subdelimp, *subn;
+ int suplen, sublen;
+
+ subtags =subtagsbv->bv_val;
+ suptags =suptagsbv->bv_val;
+ subn = subtags + subtagsbv->bv_len;
+ supn = suptags + suptagsbv->bv_len;
+
+ for( supp=suptags ; supp; supp=supdelimp ) {
+ supdelimp = strchrlen( supp, supn, ';', &suplen );
+ if( supdelimp ) supdelimp++;
+
+ for( subp=subtags ; subp; subp=subdelimp ) {
+ subdelimp = strchrlen( subp, subn, ';', &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;
+ }
+ }
+
+ return 0;
+match:;
+ }
+ return 1;
+}
+
+int is_ad_subtype(
+ AttributeDescription *sub,
+ AttributeDescription *super
+)
+{
+ AttributeType *a;
+ int lr;
+
+ for ( a = sub->ad_type; a; a=a->sat_sup ) {
+ if ( a == super->ad_type ) break;
+ }
+ if( !a ) {
+ return 0;
+ }
+
+ /* 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;
+ }
+
+ /* check for tagging options */
+ if ( super->ad_tags.bv_len == 0 )
+ return 1;
+ if ( sub->ad_tags.bv_len == 0 )
+ return 0;
+
+ return is_ad_subtags( &sub->ad_tags, &super->ad_tags );
+}
+
+int ad_inlist(
+ AttributeDescription *desc,
+ AttributeName *attrs )
+{
+ if (! attrs ) return 0;
+
+ for( ; attrs->an_name.bv_val; attrs++ ) {
+ AttributeType *a;
+ ObjectClass *oc;
+
+ if ( attrs->an_desc ) {
+ int lr;
+
+ if ( desc == attrs->an_desc ) {
+ return 1;
+ }
+
+ /*
+ * EXTENSION: if requested description is preceded 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;
+ }
+
+ if ( ber_bvccmp( &attrs->an_name, '*' ) ) {
+ if ( !is_at_operational( desc->ad_type ) ) {
+ return 1;
+ }
+ continue;
+ }
+
+ if ( ber_bvccmp( &attrs->an_name, '+' ) ) {
+ if ( is_at_operational( desc->ad_type ) ) {
+ 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
+ */
+ if ( !( attrs->an_flags & SLAP_AN_OCINITED )) {
+ if( 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 );
+ if ( oc && attrs->an_name.bv_val[0] == '!' ) {
+ attrs->an_flags |= SLAP_AN_OCEXCLUDE;
+ } else {
+ attrs->an_flags &= ~SLAP_AN_OCEXCLUDE;
+ }
+ } break;
+
+ default: /* old (deprecated) way */
+ oc = oc_bvfind( &attrs->an_name );
+ }
+ attrs->an_oc = oc;
+ }
+ attrs->an_flags |= SLAP_AN_OCINITED;
+ }
+ oc = attrs->an_oc;
+ if( oc != NULL ) {
+ if ( attrs->an_flags & SLAP_AN_OCEXCLUDE ) {
+ 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 {
+ const char *text;
+
+ /* give it a chance of being retrieved by a proxy... */
+ (void)slap_bv2undef_ad( &attrs->an_name,
+ &attrs->an_desc, &text,
+ SLAP_AD_PROXIED|SLAP_AD_NOINSERT );
+ }
+ }
+
+ return 0;
+}
+
+
+int slap_str2undef_ad(
+ const char *str,
+ AttributeDescription **ad,
+ const char **text,
+ unsigned flags )
+{
+ struct berval bv;
+ bv.bv_val = (char *) str;
+ bv.bv_len = strlen( str );
+
+ return slap_bv2undef_ad( &bv, ad, text, flags );
+}
+
+int slap_bv2undef_ad(
+ struct berval *bv,
+ AttributeDescription **ad,
+ const char **text,
+ unsigned flags )
+{
+ AttributeDescription *desc;
+ AttributeType *at;
+
+ 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;
+ }
+
+ /* use the appropriate type */
+ if ( flags & SLAP_AD_PROXIED ) {
+ at = slap_schema.si_at_proxied;
+
+ } else {
+ at = slap_schema.si_at_undefined;
+ }
+
+ for( desc = at->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 ) {
+ if ( flags & SLAP_AD_NOINSERT ) {
+ *text = NULL;
+ return LDAP_UNDEFINED_TYPE;
+ }
+
+ desc = ch_malloc(sizeof(AttributeDescription) + 1 +
+ bv->bv_len);
+
+ desc->ad_flags = SLAP_DESC_NONE;
+ BER_BVZERO( &desc->ad_tags );
+
+ desc->ad_cname.bv_len = bv->bv_len;
+ desc->ad_cname.bv_val = (char *)(desc+1);
+ strncpy(desc->ad_cname.bv_val, bv->bv_val, bv->bv_len);
+ desc->ad_cname.bv_val[bv->bv_len] = '\0';
+
+ /* canonical to upper case */
+ ldap_pvt_str2upper( desc->ad_cname.bv_val );
+
+ /* shouldn't we protect this for concurrency? */
+ desc->ad_type = at;
+ desc->ad_index = 0;
+ ldap_pvt_thread_mutex_lock( &ad_undef_mutex );
+ desc->ad_next = desc->ad_type->sat_ad;
+ desc->ad_type->sat_ad = desc;
+ ldap_pvt_thread_mutex_unlock( &ad_undef_mutex );
+
+ Debug( LDAP_DEBUG_ANY,
+ "%s attributeDescription \"%s\" inserted.\n",
+ ( flags & SLAP_AD_PROXIED ) ? "PROXIED" : "UNKNOWN",
+ desc->ad_cname.bv_val );
+ }
+
+ if( !*ad ) {
+ *ad = desc;
+ } else {
+ **ad = *desc;
+ }
+
+ return LDAP_SUCCESS;
+}
+
+AttributeDescription *
+slap_bv2tmp_ad(
+ struct berval *bv,
+ void *memctx )
+{
+ AttributeDescription *ad =
+ slap_sl_mfuncs.bmf_malloc( sizeof(AttributeDescription) +
+ bv->bv_len + 1, memctx );
+
+ ad->ad_cname.bv_val = (char *)(ad+1);
+ strncpy( ad->ad_cname.bv_val, bv->bv_val, bv->bv_len+1 );
+ ad->ad_cname.bv_len = bv->bv_len;
+ ad->ad_flags = SLAP_DESC_TEMPORARY;
+ ad->ad_type = slap_schema.si_at_undefined;
+
+ return ad;
+}
+
+static int
+undef_promote(
+ AttributeType *at,
+ char *name,
+ AttributeType *nat )
+{
+ AttributeDescription **u_ad, **n_ad;
+
+ /* Get to last ad on the new type */
+ for ( n_ad = &nat->sat_ad; *n_ad; n_ad = &(*n_ad)->ad_next ) ;
+
+ for ( u_ad = &at->sat_ad; *u_ad; ) {
+ struct berval bv;
+
+ ber_str2bv( name, 0, 0, &bv );
+
+ /* remove iff undef == name or undef == name;tag */
+ if ( (*u_ad)->ad_cname.bv_len >= bv.bv_len
+ && strncasecmp( (*u_ad)->ad_cname.bv_val, bv.bv_val, bv.bv_len ) == 0
+ && ( (*u_ad)->ad_cname.bv_val[ bv.bv_len ] == '\0'
+ || (*u_ad)->ad_cname.bv_val[ bv.bv_len ] == ';' ) )
+ {
+ AttributeDescription *tmp = *u_ad;
+
+ *u_ad = (*u_ad)->ad_next;
+
+ tmp->ad_type = nat;
+ tmp->ad_next = NULL;
+ /* ad_cname was contiguous, no leak here */
+ tmp->ad_cname = nat->sat_cname;
+ ldap_pvt_thread_mutex_lock( &ad_index_mutex );
+ tmp->ad_index = ++ad_count;
+ ldap_pvt_thread_mutex_unlock( &ad_index_mutex );
+ *n_ad = tmp;
+ n_ad = &tmp->ad_next;
+ } else {
+ u_ad = &(*u_ad)->ad_next;
+ }
+ }
+
+ return 0;
+}
+
+int
+slap_ad_undef_promote(
+ char *name,
+ AttributeType *at )
+{
+ int rc;
+
+ ldap_pvt_thread_mutex_lock( &ad_undef_mutex );
+
+ rc = undef_promote( slap_schema.si_at_undefined, name, at );
+ if ( rc == 0 ) {
+ rc = undef_promote( slap_schema.si_at_proxied, name, at );
+ }
+
+ ldap_pvt_thread_mutex_unlock( &ad_undef_mutex );
+
+ return rc;
+}
+
+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 */
+ i = 0;
+ if ( an != NULL ) {
+ for ( i = 0; !BER_BVISNULL( &an[ i ].an_name ) ; 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 ) );
+ anew = an + i;
+ for ( s = ldap_pvt_strtok( str, brkstr, &lasts );
+ s != NULL;
+ s = ldap_pvt_strtok( NULL, brkstr, &lasts ) )
+ {
+ /* put a stop mark */
+ BER_BVZERO( &anew[1].an_name );
+
+ anew->an_desc = NULL;
+ anew->an_oc = NULL;
+ anew->an_flags = 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_flags |= SLAP_AN_OCEXCLUDE;
+ }
+ } break;
+
+ default:
+ /* old (deprecated) way */
+ anew->an_oc = oc_bvfind( &anew->an_name );
+ if ( !anew->an_oc ) {
+ goto reterr;
+ }
+ }
+ }
+ anew->an_flags |= SLAP_AN_OCINITED;
+ anew++;
+ }
+
+ BER_BVZERO( &anew->an_name );
+ free( str );
+ return( an );
+
+reterr:
+ anlist_free( an, 1, NULL );
+
+ /*
+ * overwrites input string
+ * on error!
+ */
+ strcpy( in, s );
+ free( str );
+ return NULL;
+}
+
+void
+anlist_free( AttributeName *an, int freename, void *ctx )
+{
+ if ( an == NULL ) {
+ return;
+ }
+
+ if ( freename ) {
+ int i;
+
+ for ( i = 0; an[i].an_name.bv_val; i++ ) {
+ ber_memfree_x( an[i].an_name.bv_val, ctx );
+ }
+ }
+
+ ber_memfree_x( an, ctx );
+}
+
+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;
+
+ if ( anlist == NULL )
+ return NULL;
+
+ 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;
+
+ attrs = anlist2charray( anlist, 1 );
+
+ 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] == '@' ) {
+ ch_free( attrs[i] );
+ for ( j = i; attrs[j]; j++ ) {
+ 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] )) {
+ ch_free( attrs[j] );
+ for ( k = j; attrs && attrs[k]; k++ ) {
+ 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 ) {
+ char ebuf[128];
+ int saved_errno = errno;
+ Debug( LDAP_DEBUG_ANY,
+ "get_attrs_from_file: failed to open attribute list file "
+ "\"%s\": %s\n", fname, AC_STRERROR_R( saved_errno, ebuf, sizeof(ebuf) ) );
+ return NULL;
+ }
+
+ lcur = line = (char *) ch_malloc( lmax );
+ if ( !line ) {
+ Debug( LDAP_DEBUG_ANY,
+ "get_attrs_from_file: could not allocate memory\n" );
+ fclose(fp);
+ return NULL;
+ }
+
+ while ( fgets( lcur, LBUFSIZ, fp ) != NULL ) {
+ 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" );
+ fclose(fp);
+ return NULL;
+ }
+ lcur = line + strlen( line );
+ continue;
+ }
+ an = str2anlist( an, line, brkstr );
+ if ( an == NULL )
+ break;
+ 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] ) ) {
+ /* allow trailing '=', same as '-' */
+ if ( name[optlen] == '=' && !name[optlen+1] ) {
+ msad_range_hack = 1;
+ continue;
+ }
+ 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] == '-') ||
+ (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;
+}
+
+void
+ad_unparse_options( BerVarray *res )
+{
+ int i;
+ for ( i = 0; i < option_count; i++ ) {
+ value_add_one( res, &options[i].name );
+ }
+}
+
+/* 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;
+}