/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
- * Copyright 2004-2005 The OpenLDAP Foundation.
+ * Copyright 2004-2006 The OpenLDAP Foundation.
* Portions Copyright 2004 Symas Corporation.
* All rights reserved.
*
#include <ac/socket.h>
#include "slap.h"
+#include "config.h"
static slap_overinst unique;
int count;
} unique_counter;
+enum {
+ UNIQUE_BASE = 1,
+ UNIQUE_IGNORE,
+ UNIQUE_ATTR,
+ UNIQUE_STRICT
+};
+
+static ConfigDriver unique_cf_gen;
+
+static ConfigTable uniquecfg[] = {
+ { "unique_base", "basedn", 2, 2, 0, ARG_DN|ARG_MAGIC|UNIQUE_BASE,
+ unique_cf_gen, "( OLcfgOvAt:10.1 NAME 'olcUniqueBase' "
+ "DESC 'Subtree for uniqueness searches' "
+ "SYNTAX OMsDN SINGLE-VALUE )", NULL, NULL },
+ { "unique_ignore", "attribute...", 2, 0, 0, ARG_MAGIC|UNIQUE_IGNORE,
+ unique_cf_gen, "( OLcfgOvAt:10.2 NAME 'olcUniqueIgnore' "
+ "DESC 'Attributes for which uniqueness shall not be enforced' "
+ "SYNTAX OMsDirectoryString )", NULL, NULL },
+ { "unique_attributes", "attribute...", 2, 0, 0, ARG_MAGIC|UNIQUE_ATTR,
+ unique_cf_gen, "( OLcfgOvAt:10.3 NAME 'olcUniqueAttribute' "
+ "DESC 'Attributes for which uniqueness shall be enforced' "
+ "SYNTAX OMsDirectoryString )", NULL, NULL },
+ { "unique_strict", "on|off", 1, 2, 0,
+ ARG_ON_OFF|ARG_OFFSET|UNIQUE_STRICT,
+ (void *)offsetof(unique_data, strict),
+ "( OLcfgOvAt:10.4 NAME 'olcUniqueStrict' "
+ "DESC 'Enforce uniqueness of null values' "
+ "SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
+ { NULL, NULL, 0, 0, 0, ARG_IGNORED }
+};
+
+static ConfigOCs uniqueocs[] = {
+ { "( OLcfgOvOc:10.1 "
+ "NAME 'olcUniqueConfig' "
+ "DESC 'Attribute value uniqueness configuration' "
+ "SUP olcOverlayConfig "
+ "MAY ( olcUniqueBase $ olcUniqueIgnore $ "
+ "olcUniqueAttribute $ olcUniqueStrict ) )",
+ Cft_Overlay, uniquecfg },
+ { NULL, 0, NULL }
+};
+
+static int
+unique_cf_gen( ConfigArgs *c )
+{
+ slap_overinst *on = (slap_overinst *)c->bi;
+ unique_data *ud = (unique_data *)on->on_bi.bi_private;
+ BackendDB *be = (BackendDB *)c->be;
+ unique_attrs *up, *pup, **pupp = NULL;
+ AttributeDescription *ad;
+ const char *text;
+ int rc = ARG_BAD_CONF;
+ int i;
+
+ switch ( c->op ) {
+ case SLAP_CONFIG_EMIT:
+ switch ( c->type ) {
+ case UNIQUE_BASE:
+ if ( !BER_BVISEMPTY( &ud->dn )) {
+ rc = value_add_one( &c->rvalue_vals, &ud->dn );
+ if ( rc ) return rc;
+ rc = value_add_one( &c->rvalue_nvals, &ud->dn );
+ return rc;
+ }
+ break;
+ case UNIQUE_IGNORE:
+ /* fallthrough to UNIQUE_ATTR */
+ case UNIQUE_ATTR:
+ if ( c->type == UNIQUE_IGNORE ) up = ud->ignore;
+ else up = ud->attrs;
+ while ( up ) {
+ value_add_one( &c->rvalue_vals,
+ &up->attr->ad_cname );
+ up = up->next;
+ }
+ rc = 0;
+ break;
+ case UNIQUE_STRICT:
+ /* handled via ARG_OFFSET */
+ /* fallthrough to default */
+ default:
+ abort ();
+ }
+ break;
+ case LDAP_MOD_DELETE:
+ switch ( c->type ) {
+ case UNIQUE_BASE:
+ /* default to the base of our configured database */
+ if ( ud->dn.bv_val ) ber_memfree ( ud->dn.bv_val );
+ ber_dupbv( &ud->dn, &be->be_nsuffix[0] );
+ rc = 0;
+ break;
+ case UNIQUE_IGNORE:
+ /* fallthrough to UNIQUE_ATTR */
+ case UNIQUE_ATTR:
+ if ( c->type == UNIQUE_IGNORE ) pupp = &ud->ignore;
+ else pupp = &ud->attrs;
+
+ if ( c->valx < 0 ) {
+ up = *pupp;
+ *pupp = NULL;
+ while ( up ) {
+ pup = up;
+ up = up->next;
+ ch_free ( pup );
+ }
+
+ } else {
+
+ /* delete from linked list */
+ for ( i=0; i < c->valx; ++i ) {
+ pupp = &(*pupp)->next;
+ }
+ up = *pupp;
+ *pupp = (*pupp)->next;
+
+ /* AttributeDescriptions are global so
+ * shouldn't be freed here... */
+ ch_free ( up );
+ }
+ rc = 0;
+ break;
+ case UNIQUE_STRICT:
+ /* handled via ARG_OFFSET */
+ /* fallthrough to default */
+ default:
+ abort ();
+ }
+ break;
+ case SLAP_CONFIG_ADD:
+ /* fallthrough to LDAP_MOD_ADD */
+ case LDAP_MOD_ADD:
+ switch ( c->type ) {
+ case UNIQUE_BASE:
+ if ( !dnIsSuffix ( &c->value_ndn,
+ &be->be_nsuffix[0] ) ) {
+ sprintf ( c->msg, "dn is not a suffix of backend base" );
+ Debug ( LDAP_DEBUG_CONFIG, "unique add: %s\n",
+ c->msg, NULL, NULL );
+ rc = ARG_BAD_CONF;
+ }
+ if ( ud->dn.bv_val ) ber_memfree ( ud->dn.bv_val );
+ ud->dn = c->value_ndn;
+ rc = 0;
+ break;
+ case UNIQUE_IGNORE:
+ /* fallthrough to UNIQUE_ATTR */
+ case UNIQUE_ATTR:
+ rc = 0;
+ for ( i=1; i < c->argc; ++i ) {
+ ad = NULL;
+ if ( slap_str2ad ( c->argv[i], &ad, &text )
+ == LDAP_SUCCESS) {
+
+ up = ch_malloc (
+ sizeof ( unique_attrs ) );
+ up->attr = ad;
+ if ( c->type == UNIQUE_IGNORE ) {
+ up->next = ud->ignore;
+ ud->ignore = up;
+ } else {
+ up->next = ud->attrs;
+ ud->attrs = up;
+ }
+ } else {
+ Debug ( LDAP_DEBUG_CONFIG,
+ "unique add: <%s>: %s\n",
+ c->argv[i], text, NULL );
+ strncpy ( c->msg,
+ text,
+ SLAP_TEXT_BUFLEN-1 );
+ c->msg[SLAP_TEXT_BUFLEN-1] = '\0';
+ rc = ARG_BAD_CONF;
+ }
+ }
+ break;
+ case UNIQUE_STRICT:
+ /* handled via ARG_OFFSET */
+ /* fallthrough to default */
+ default:
+ abort ();
+ }
+ break;
+ default:
+ abort ();
+ }
+
+ return rc;
+}
+
/*
** allocate new unique_data;
** initialize, copy basedn;
)
{
slap_overinst *on = (slap_overinst *)be->bd_info;
- unique_data *ud = ch_malloc(sizeof(unique_data));
+ unique_data *ud = ch_calloc(1,sizeof(unique_data));
/* Debug(LDAP_DEBUG_TRACE, "==> unique_init\n", 0, 0, 0); */
ud->message = "_init";
- ud->attrs = NULL;
- ud->ignore = NULL;
- ud->strict = 0;
-
- /* default to the base of our configured database */
- ber_dupbv(&ud->dn, &be->be_nsuffix[0]);
on->on_bi.bi_private = ud;
-
return 0;
}
-
-/*
-** if command = attributes:
-** foreach argument:
-** convert to attribute;
-** add to configured attribute list;
-** elseif command = base:
-** set our basedn to argument;
-** else complain about invalid directive;
-**
-*/
-
-static int unique_config(
- BackendDB *be,
- const char *fname,
- int lineno,
- int argc,
- char **argv
+static int unique_db_destroy(
+ BackendDB *be
)
{
- slap_overinst *on = (slap_overinst *) be->bd_info;
- unique_data *ud = on->on_bi.bi_private;
- unique_attrs *up;
- const char *text;
- AttributeDescription *ad;
- int i;
+ slap_overinst *on = (slap_overinst *)be->bd_info;
- ud->message = "_config";
- Debug(LDAP_DEBUG_TRACE, "==> unique_config\n", 0, 0, 0);
-
- if(!strcasecmp(*argv, "unique_attributes") ||
- !strcasecmp(*argv, "unique_ignore")) {
- for(i = 1; i < argc; i++) {
- for(up = ud->attrs; up; up = up->next)
- if(!strcmp(argv[i], up->attr->ad_cname.bv_val)) {
- Debug(LDAP_DEBUG_ANY,
- "%s: line %d: duplicate attribute <%s>, ignored\n",
- fname, lineno, argv[i]);
- continue;
- }
- ad = NULL;
- if(slap_str2ad(argv[i], &ad, &text) != LDAP_SUCCESS) {
- Debug(LDAP_DEBUG_ANY,
- "%s: line %d: bad attribute <%s>, ignored\n",
- fname, lineno, text);
- continue; /* XXX */
- } else if(ad->ad_next) {
- Debug(LDAP_DEBUG_ANY,
- "%s: line %d: multiple attributes match <%s>, ignored\n",
- fname, lineno, argv[i]);
- continue;
- }
- up = ch_malloc(sizeof(unique_attrs));
- up->attr = ad;
- if(!strcasecmp(*argv, "unique_ignore")) {
- up->next = ud->ignore;
- ud->ignore = up;
- } else {
- up->next = ud->attrs;
- ud->attrs = up;
- }
- Debug(LDAP_DEBUG_CONFIG, "%s: line %d: new attribute <%s>\n",
- fname, lineno, argv[i]);
- }
- } else if(!strcasecmp(*argv, "unique_strict")) {
- ud->strict = 1;
- } else if(!strcasecmp(*argv, "unique_base")) {
- struct berval bv;
- ber_str2bv( argv[1], 0, 0, &bv );
- ch_free(ud->dn.bv_val);
- dnNormalize(0, NULL, NULL, &bv, &ud->dn, NULL);
- Debug(LDAP_DEBUG_CONFIG, "%s: line %d: new base dn <%s>\n",
- fname, lineno, argv[1]);
- } else {
- return(SLAP_CONF_UNKNOWN);
+ if ( on->on_bi.bi_private ) {
+ ch_free( on->on_bi.bi_private );
+ on->on_bi.bi_private = NULL;
}
-
- return(0);
+ return 0;
}
-
/*
** mostly, just print the init message;
**
Debug(LDAP_DEBUG_TRACE, "unique_open: overlay initialized\n", 0, 0, 0);
+ if ( BER_BVISNULL( &ud->dn )) {
+ if ( BER_BVISNULL( &be->be_nsuffix[0] ))
+ return -1;
+
+ /* default to the base of our configured database */
+ ber_dupbv(&ud->dn, &be->be_nsuffix[0]);
+ }
return(0);
}
** foreach configured attribute:
** free it;
** free our basedn;
-** (do not) free ud->message;
-** reset on_bi.bi_private;
-** free our config data;
**
*/
ch_free(ud->dn.bv_val);
- on->on_bi.bi_private = NULL; /* XXX */
-
- ch_free(ud);
+ memset( ud, 0, sizeof(*ud));
return(0);
}
*/
int unique_initialize() {
+ int rc;
/* statically declared just after the #includes at top */
unique.on_bi.bi_type = "unique";
unique.on_bi.bi_db_init = unique_db_init;
- unique.on_bi.bi_db_config = unique_config;
+ unique.on_bi.bi_db_destroy = unique_db_destroy;
unique.on_bi.bi_db_open = unique_open;
unique.on_bi.bi_db_close = unique_close;
unique.on_bi.bi_op_add = unique_add;
unique.on_bi.bi_op_modrdn = unique_modrdn;
unique.on_bi.bi_op_delete = NULL;
+ unique.on_bi.bi_cf_ocs = uniqueocs;
+ rc = config_register_schema( uniquecfg, uniqueocs );
+ if ( rc ) return rc;
+
return(overlay_register(&unique));
}
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