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ITS#9363 Zero out values on config delete

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This commit is contained in:
Ondřej Kuzník 2020-10-30 11:38:08 +00:00 committed by Quanah Gibson-Mount
parent a44ba27410
commit 356715fd08
1 changed files with 40 additions and 1 deletions
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41
servers/slapd/config.c
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@ -453,14 +453,53 @@ int
config_del_vals(ConfigTable *cf, ConfigArgs *c)
{
int rc = 0;
void *ptr;
/* If there is no handler, just ignore it */
if ( cf->arg_type & ARG_MAGIC ) {
c->argv[0] = cf->ad->ad_cname.bv_val;
c->op = LDAP_MOD_DELETE;
c->type = cf->arg_type & ARGS_USERLAND;
rc = (*((ConfigDriver*)cf->arg_item))(c);
return rc;
}
/* If there is no handler, just zero it */
if ( cf->arg_type & ARG_OFFSET ) {
if ( c->be && c->table == Cft_Database )
ptr = c->be->be_private;
else if ( c->bi )
ptr = c->bi->bi_private;
else {
snprintf( c->cr_msg, sizeof( c->cr_msg ), "<%s> offset is missing base pointer",
c->argv[0] );
Debug( LDAP_DEBUG_CONFIG, "%s: %s!\n",
c->log, c->cr_msg );
return ARG_BAD_CONF;
}
ptr = (void *)((char *)ptr + (long)cf->arg_item);
} else if ( cf->arg_type & ARGS_TYPES ) {
ptr = cf->arg_item;
}
if ( cf->arg_type & ARGS_TYPES )
switch ( cf->arg_type & ARGS_TYPES ) {
case ARG_ON_OFF:
case ARG_INT: *(int *)ptr = 0; break;
case ARG_UINT: *(unsigned *)ptr = 0; break;
case ARG_LONG: *(long *)ptr = 0; break;
case ARG_ULONG: *(size_t *)ptr = 0; break;
case ARG_BER_LEN_T: *(ber_len_t *)ptr = 0; break;
case ARG_STRING:
ch_free( *(char**)ptr );
*(char **)ptr = NULL;
break;
case ARG_BERVAL:
case ARG_BINARY:
ch_free( ((struct berval *)ptr)->bv_val );
BER_BVZERO( (struct berval *)ptr );
break;
case ARG_ATDESC:
*(AttributeDescription **)ptr = NULL;
break;
}
return rc;
}