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back-config support. from Matthew Backes @ Symas.com and

Browse Source 
Karsten Kuenne @ rentec.com (ITS#4506)
This commit is contained in:
Howard Chu 2006-04-27 02:12:34 +00:00
parent da5c3ec1f4
commit 7cd5dddd4c
1 changed files with 208 additions and 82 deletions
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290
servers/slapd/overlays/unique.c
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@ -29,6 +29,7 @@
#include <ac/socket.h>
#include "slap.h"
#include "config.h"
static slap_overinst unique;
@ -50,6 +51,196 @@ typedef struct unique_counter_s {
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;
@ -78,87 +269,19 @@ static int unique_db_init(
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;
**
@ -183,9 +306,6 @@ unique_open(
** foreach configured attribute:
** free it;
** free our basedn;
** (do not) free ud->message;
** reset on_bi.bi_private;
** free our config data;
**
*/
@ -205,17 +325,18 @@ unique_close(
ij = ii->next;
ch_free(ii);
}
ud->attrs = NULL;
for(ii = ud->ignore; ii; ii = ij) {
ij = ii->next;
ch_free(ii);
}
ud->ignore = NULL;
ch_free(ud->dn.bv_val);
BER_BVZERO( &ud->dn );
on->on_bi.bi_private = NULL; /* XXX */
ch_free(ud);
ud->strict = 0;
return(0);
}
@ -588,11 +709,12 @@ static int unique_modrdn(
*/
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;
@ -600,6 +722,10 @@ int unique_initialize() {
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));
}