/** BEGIN COPYRIGHT BLOCK
 * Copyright (C) 2001 Sun Microsystems, Inc. Used by permission.
 * Copyright (C) 2005 Red Hat, Inc.
 * All rights reserved.
 *
 * License: GPL (version 3 or any later version).
 * See LICENSE for details.
 * END COPYRIGHT BLOCK **/

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif


/*
 * plugin_syntax.c - routines for calling syntax plugins
 */


#include "slap.h"


struct slapdplugin *
plugin_syntax_find(const char *nameoroid)
{
    struct slapdplugin *pi;

    /* slapi_log_err(SLAPI_LOG_FILTER, "plugin_syntax_find", "=> (%s)\n", nameoroid ); */
    for (pi = get_plugin_list(PLUGIN_LIST_SYNTAX); pi != NULL; pi = pi->plg_next) {
        if (charray_inlist(pi->plg_syntax_names, (char *)nameoroid)) {
            break;
        }
    }
    /* slapi_log_err(SLAPI_LOG_FILTER, "plugin_syntax_find", "<= %d\n", pi); */
    return (pi);
}


/*
 * Enumerate all the syntax plugins, calling (*sef)() for each one.
 */
void
plugin_syntax_enumerate(SyntaxEnumFunc sef, void *arg)
{
    struct slapdplugin *pi;

    for (pi = get_plugin_list(PLUGIN_LIST_SYNTAX); pi != NULL;
         pi = pi->plg_next) {
        (*sef)(pi->plg_syntax_names, &pi->plg_desc, arg);
    }
}


struct slapdplugin *
slapi_get_global_syntax_plugins()
{
    return get_plugin_list(PLUGIN_LIST_SYNTAX);
}

char *
plugin_syntax2oid(struct slapdplugin *pi __attribute__((unused)))
{
    slapi_log_err(SLAPI_LOG_NOTICE, "plugin_syntax2oid",
                  "This function is deprecated - please use attr_get_syntax_oid() instead\n");
    PR_ASSERT(0);
    return (NULL);
}

int
plugin_call_syntax_get_compare_fn(
    void *vpi __attribute__((unused)),
    value_compare_fn_type *compare_fn __attribute__((unused)))
{
    slapi_log_err(SLAPI_LOG_NOTICE, "plugin_call_syntax_get_compare_fn",
                  "This function is deprecated - please use attr_get_value_cmp_fn() instead\n");
    PR_ASSERT(0);
    return (0);
}

int
plugin_call_syntax_filter_ava(
    const Slapi_Attr *a,
    int ftype,
    struct ava *ava)
{
    return (plugin_call_syntax_filter_ava_sv(a, ftype, ava, NULL, 0 /*Present*/));
}

int
plugin_call_syntax_filter_ava_sv(
    const Slapi_Attr *a,
    int ftype,
    struct ava *ava,
    Slapi_Value **retVal,
    int useDeletedValues)
{
    int rc;
    IFP ava_fn = NULL;

    slapi_log_err(SLAPI_LOG_FILTER,
                  "plugin_call_syntax_filter_ava_sv", "=> %s=%s\n", ava->ava_type,
                  ava->ava_value.bv_val);

    if ((a->a_mr_eq_plugin == NULL) && (a->a_mr_ord_plugin == NULL) && (a->a_plugin == NULL)) {
        /* could be lazy plugin initialization, get it now */
        Slapi_Attr *t = (Slapi_Attr *)a;
        slapi_attr_init_syntax(t);
    }

    if ((a->a_mr_eq_plugin == NULL) && (a->a_mr_ord_plugin == NULL) && (a->a_plugin == NULL)) {
        slapi_log_err(SLAPI_LOG_FILTER,
                      "plugin_call_syntax_filter_ava_sv", "<= no plugin for attr (%s)\n",
                      a->a_type);
        return (LDAP_PROTOCOL_ERROR); /* syntax unkonwn */
    }

    Slapi_PBlock *pipb = slapi_pblock_new();
    slapi_pblock_set(pipb, SLAPI_PLUGIN, (void *)a->a_plugin);
    if (ava->ava_private) {
        int filter_normalized = 0;
        int f_flags = 0;
        f_flags = *(int *)ava->ava_private;
        filter_normalized = f_flags | SLAPI_FILTER_NORMALIZED_VALUE;
        slapi_pblock_set(pipb, SLAPI_PLUGIN_SYNTAX_FILTER_NORMALIZED, &filter_normalized);
    }

    rc = -1; /* does not match by default */
    switch (ftype) {
    case LDAP_FILTER_GE:
    case LDAP_FILTER_LE:
        if ((a->a_mr_ord_plugin == NULL) &&
            ((a->a_plugin->plg_syntax_flags &
              SLAPI_PLUGIN_SYNTAX_FLAG_ORDERING) == 0)) {
            slapi_log_err(SLAPI_LOG_FILTER, "plugin_call_syntax_filter_ava",
                          "<= attr (%s) has no ordering matching rule, and syntax does not define a compare function\n",
                          a->a_type);
            rc = LDAP_PROTOCOL_ERROR;
            break;
        }
        /* if the attribute has an ordering matching rule plugin, use that,
           otherwise, just use the syntax plugin */
        if (a->a_mr_ord_plugin != NULL) {
            slapi_pblock_set(pipb, SLAPI_PLUGIN, (void *)a->a_mr_ord_plugin);
            ava_fn = a->a_mr_ord_plugin->plg_mr_filter_ava;
        } else {
            slapi_pblock_set(pipb, SLAPI_PLUGIN, (void *)a->a_plugin);
            ava_fn = a->a_plugin->plg_syntax_filter_ava;
        }
    /* FALLTHROUGH */
    case LDAP_FILTER_EQUALITY:
    case LDAP_FILTER_APPROX:
        if (NULL == ava_fn) {
            /* if we have an equality matching rule plugin, use that,
               otherwise, just use the syntax plugin */
            if (a->a_mr_eq_plugin) {
                slapi_pblock_set(pipb, SLAPI_PLUGIN, (void *)a->a_mr_eq_plugin);
                ava_fn = a->a_mr_eq_plugin->plg_mr_filter_ava;
            } else {
                slapi_pblock_set(pipb, SLAPI_PLUGIN, (void *)a->a_plugin);
                ava_fn = a->a_plugin->plg_syntax_filter_ava;
            }
        }

        if (ava_fn != NULL) {
            /* JCM - Maybe the plugin should use the attr value iterator too... */
            Slapi_Value **va;
            if (useDeletedValues) {
                va = valueset_get_valuearray(&a->a_deleted_values);
            } else {
                va = valueset_get_valuearray(&a->a_present_values);
            }
            if (va != NULL) {
                rc = (*ava_fn)(pipb, &ava->ava_value, va, ftype, retVal);
            }
        } else {
            slapi_log_err(SLAPI_LOG_FILTER,
                          "plugin_call_syntax_filter_ava", "attr (%s) has no ava filter function\n",
                          a->a_type);
        }
        break;
    default:
        slapi_log_err(SLAPI_LOG_ERR, "plugin_call_syntax_filter_ava",
                      "Unknown filter type %d\n", ftype);
        rc = LDAP_PROTOCOL_ERROR;
        break;
    }

    slapi_log_err(SLAPI_LOG_FILTER,
                  "plugin_call_syntax_filter_ava", "<= %d\n", rc);
    slapi_pblock_destroy(pipb);
    return (rc);
}

int
plugin_call_syntax_filter_sub(
    Slapi_PBlock *pb,
    Slapi_Attr *a,
    struct subfilt *fsub)
{
    return (plugin_call_syntax_filter_sub_sv(pb, a, fsub));
}

int
plugin_call_syntax_filter_sub_sv(
    Slapi_PBlock *pb,
    Slapi_Attr *a,
    struct subfilt *fsub)
{
    int rc;
    IFP sub_fn = NULL;
    int filter_normalized = 0;

    slapi_log_err(SLAPI_LOG_FILTER,
                  "plugin_call_syntax_filter_sub_sv", "=>\n");

    if ((a->a_mr_sub_plugin == NULL) && (a->a_plugin == NULL)) {
        /* could be lazy plugin initialization, get it now */
        slapi_attr_init_syntax(a);
    }
    if ((a->a_mr_sub_plugin == NULL) && (a->a_plugin == NULL)) {
        slapi_log_err(SLAPI_LOG_FILTER, "plugin_call_syntax_filter_sub_sv",
                      "Attribute (%s) has no substring matching rule or syntax plugin\n",
                      a->a_type);
        return (-1); /* syntax unkonwn - does not match */
    }

    Slapi_PBlock *pipb = slapi_pblock_new();
    if (pb) {
        slapi_pblock_get(pb, SLAPI_PLUGIN_SYNTAX_FILTER_NORMALIZED, &filter_normalized);
        slapi_pblock_set(pipb, SLAPI_PLUGIN_SYNTAX_FILTER_NORMALIZED, &filter_normalized);
    }
    slapi_pblock_set(pipb, SLAPI_PLUGIN_SYNTAX_FILTER_DATA, fsub);

    /* use the substr matching rule plugin if available, otherwise, use
       the syntax plugin */
    if (a->a_mr_sub_plugin) {
        slapi_pblock_set(pipb, SLAPI_PLUGIN, (void *)a->a_mr_sub_plugin);
        sub_fn = a->a_mr_sub_plugin->plg_mr_filter_sub;
    } else {
        slapi_pblock_set(pipb, SLAPI_PLUGIN, (void *)a->a_plugin);
        sub_fn = a->a_plugin->plg_syntax_filter_sub;
    }

    if (sub_fn != NULL) {
        Slapi_Value **va = valueset_get_valuearray(&a->a_present_values);
        if (pb) {
            Operation *op = NULL;
            /* to pass SLAPI_SEARCH_TIMELIMIT & SLAPI_OPINITATED_TIME */
            slapi_pblock_get(pb, SLAPI_OPERATION, &op);
            /* coverity[var_deref_model] */
            slapi_pblock_set(pipb, SLAPI_OPERATION, op);
        }
        rc = (*sub_fn)(pipb, fsub->sf_initial, fsub->sf_any, fsub->sf_final, va);
    } else {
        rc = -1;
    }

    slapi_log_err(SLAPI_LOG_FILTER, "plugin_call_syntax_filter_sub_sv", "<= %d\n",
                  rc);
    /* Operation is owned by our caller: We need to null it now, to prevent the free */
    slapi_pblock_set(pipb, SLAPI_OPERATION, NULL);
    slapi_pblock_destroy(pipb);
    return (rc);
}

/* Checks if the DN string is valid according to the Distinguished Name
 * syntax.  Setting override to 1 will force syntax checking to be performed,
 * even if syntax checking is disabled in the config.  Setting override to 0
 * will obey the config settings.
 *
 * Returns 1 if there is a syntax violation and sets the error message
 * appropriately.  Returns 0 if everything checks out fine.
 */
int
slapi_dn_syntax_check(
    Slapi_PBlock *pb,
    const char *dn,
    int override)
{
    int ret = 0;
    int is_replicated_operation = 0;
    int syntaxcheck = config_get_syntaxcheck();
    int syntaxlogging = config_get_syntaxlogging();
    char errtext[BUFSIZ];
    char *errp = &errtext[0];
    struct slapdplugin *dn_plugin = NULL;
    struct berval dn_bval = {0};

    if (pb != NULL) {
        slapi_pblock_get(pb, SLAPI_IS_REPLICATED_OPERATION, &is_replicated_operation);
    }

    /* If syntax checking and logging are off, or if this is a
     * replicated operation, just return that the syntax is OK. */
    if (((syntaxcheck == 0) && (syntaxlogging == 0) && (override == 0)) ||
        is_replicated_operation) {
        goto exit;
    }

    /* Locate the dn syntax plugin. */
    slapi_attr_type2plugin("distinguishedName", (void **)&dn_plugin);

    /* Assume the value is valid if we don't find a dn validate function */
    if (dn_plugin && dn_plugin->plg_syntax_validate != NULL) {
        /* Create a berval to pass to the validate function. */
        if (dn) {
            dn_bval.bv_val = (char *)dn;
            dn_bval.bv_len = strlen(dn);

            /* Validate the value. */
            if (dn_plugin->plg_syntax_validate(&dn_bval) != 0) {
                if (syntaxlogging) {
                    slapi_log_err(SLAPI_LOG_ERR, "slapi_dn_syntax_check",
                                  "DN value (%s) invalid per syntax\n", dn);
                }

                if (syntaxcheck || override) {
                    if (pb) {
                        errp += PR_snprintf(errp, sizeof(errtext),
                                            "DN value invalid per syntax\n");
                    }
                    ret = 1;
                }
            }
        }
    }

    /* See if we need to set the error text in the pblock. */
    if (pb && errp != &errtext[0]) {
        /* SLAPI_PB_RESULT_TEXT duplicates the text in slapi_pblock_set */
        slapi_pblock_set(pb, SLAPI_PB_RESULT_TEXT, errtext);
    }

exit:
    return (ret);
}

/* Checks if the values of all attributes in an entry are valid for the
 * syntax specified for the attribute in question.  Setting override to
 * 1 will force syntax checking to be performed, even if syntax checking
 * is disabled in the config.  Setting override to 0 will obey the config
 * settings.
 *
 * Returns 1 if there is a syntax violation and sets the error message
 * appropriately.  Returns 0 if everything checks out fine.
 *
 * Note: this function allows NULL pb.  If NULL, is_replicated_operation
 * will not checked and error message will not be generated and returned.
 */
int
slapi_entry_syntax_check(
    Slapi_PBlock *pb,
    Slapi_Entry *e,
    int override)
{
    int ret = 0;
    int i = 0;
    int is_replicated_operation = 0;
    int syntaxcheck = config_get_syntaxcheck();
    int syntaxlogging = config_get_syntaxlogging();
    Slapi_Attr *prevattr = NULL;
    Slapi_Attr *a = NULL;
    char errtext[BUFSIZ];
    char *errp = &errtext[0];
    size_t err_remaining = sizeof(errtext);

    if (pb != NULL) {
        slapi_pblock_get(pb, SLAPI_IS_REPLICATED_OPERATION, &is_replicated_operation);
    }

    /* If syntax checking and logging are off, or if this is a
         * replicated operation, just return that the syntax is OK. */
    if (((syntaxcheck == 0) && (syntaxlogging == 0) && (override == 0)) ||
        is_replicated_operation) {
        goto exit;
    }

    i = slapi_entry_first_attr(e, &a);

    if (a && (a->a_plugin == NULL)) {
        /* could be lazy plugin initialization, get it now */
        slapi_attr_init_syntax(a);
    }
    while ((-1 != i) && a && (a->a_plugin != NULL)) {
        /* If no validate function is available for this type, just
         * assume that the value is valid. */
        if (a->a_plugin->plg_syntax_validate != NULL) {
            int numvals = 0;

            slapi_attr_get_numvalues(a, &numvals);
            if (numvals > 0) {
                Slapi_Value *val = NULL;
                const struct berval *bval = NULL;
                int hint = slapi_attr_first_value(a, &val);

                /* iterate through each value to check if it's valid */
                while (val != NULL) {
                    bval = slapi_value_get_berval(val);
                    if ((a->a_plugin->plg_syntax_validate(bval)) != 0) {
                        if (syntaxlogging) {
                            slapi_log_err(SLAPI_LOG_ERR, "slapi_entry_syntax_check",
                                          "\"%s\": (%s) value #%d invalid per syntax\n",
                                          slapi_entry_get_dn(e), a->a_type, hint);
                        }

                        if (syntaxcheck || override) {
                            if (pb) {
                                /* Append new text to any existing text. */
                                errp += PR_snprintf(errp, err_remaining,
                                                    "%s: value #%d invalid per syntax\n", a->a_type, hint);
                                err_remaining -= errp - &errtext[0];
                            }
                            ret = 1;
                        }
                    }

                    hint = slapi_attr_next_value(a, hint, &val);
                }
            }
        }

        prevattr = a;
        i = slapi_entry_next_attr(e, prevattr, &a);
        if (a && (a->a_plugin == NULL)) {
            /* could be lazy plugin initialization, get it now */
            slapi_attr_init_syntax(a);
        }
    }

    /* See if we need to set the error text in the pblock. */
    if (pb && (errp != &errtext[0])) { /* Check pb for coverity  */
        /* SLAPI_PB_RESULT_TEXT duplicates the text in slapi_pblock_set */
        slapi_pblock_set(pb, SLAPI_PB_RESULT_TEXT, errtext);
    }

exit:
    return (ret);
}

/* Checks if the values of all attributes being added in a Slapi_Mods
 * are valid for the syntax specified for the attribute in question.
 * The new values in an add or replace modify operation and the newrdn
 * value for a modrdn operation will be checked.
 * Returns 1 if there is a syntax violation and sets the error message
 * appropriately.  Returns 0 if everything checks out fine.
 *
 * Note: this function allows NULL pb.  If NULL, is_replicated_operation
 * will not checked and error message will not be generated and returned.
 */
int
slapi_mods_syntax_check(
    Slapi_PBlock *pb,
    LDAPMod **mods,
    int override)
{
    int ret = 0;
    int i, j = 0;
    int is_replicated_operation = 0;
    int syntaxcheck = config_get_syntaxcheck();
    int syntaxlogging = config_get_syntaxlogging();
    char errtext[BUFSIZ];
    char *errp = &errtext[0];
    size_t err_remaining = sizeof(errtext);
    const char *dn = NULL;
    Slapi_DN *sdn = NULL;
    LDAPMod *mod = NULL;

    if (mods == NULL) {
        ret = 1;
        goto exit;
    }

    if (pb != NULL) {
        slapi_pblock_get(pb, SLAPI_IS_REPLICATED_OPERATION, &is_replicated_operation);
        slapi_pblock_get(pb, SLAPI_TARGET_SDN, &sdn);
        dn = slapi_sdn_get_dn(sdn);
    }

    /* If syntax checking and logging are  off, or if this is a
     * replicated operation, just return that the syntax is OK. */
    if (((syntaxcheck == 0) && (syntaxlogging == 0) && (override == 0)) ||
        is_replicated_operation) {
        goto exit;
    }

    /* Loop through mods */
    for (i = 0; mods[i] != NULL; i++) {
        mod = mods[i];

        /* We only care about replace and add modify operations that
         * are truly adding new values to the entry. */
        if ((SLAPI_IS_MOD_REPLACE(mod->mod_op) || SLAPI_IS_MOD_ADD(mod->mod_op)) &&
            (mod->mod_bvalues != NULL)) {
            struct slapdplugin *syntax_plugin = NULL;

            /* Find the plug-in for this type, then call it's
             * validate function.*/
            slapi_attr_type2plugin(mod->mod_type, (void **)&syntax_plugin);
            if ((syntax_plugin != NULL) && (syntax_plugin->plg_syntax_validate != NULL)) {
                /* Loop through the values and validate each one */
                for (j = 0; mod->mod_bvalues[j] != NULL; j++) {
                    if (syntax_plugin->plg_syntax_validate(mod->mod_bvalues[j]) != 0) {
                        if (syntaxlogging) {
                            slapi_log_err(SLAPI_LOG_ERR, "slapi_mods_syntax_check", "\"%s\": (%s) value #%d invalid per syntax\n",
                                          dn ? dn : "NULL", mod->mod_type, j);
                        }

                        if (syntaxcheck || override) {
                            if (pb) {
                                /* Append new text to any existing text. */
                                errp += PR_snprintf(errp, err_remaining,
                                                    "%s: value #%d invalid per syntax\n", mod->mod_type, j);
                                err_remaining -= errp - &errtext[0];
                            }
                            ret = 1;
                        }
                    }
                }
            }
        }
    }

    /* See if we need to set the error text in the pblock. */
    if (pb && (errp != &errtext[0])) { /* Check pb for coverity  */
        /* SLAPI_PB_RESULT_TEXT duplicates the text in slapi_pblock_set */
        slapi_pblock_set(pb, SLAPI_PB_RESULT_TEXT, errtext);
    }

exit:
    return (ret);
}

SLAPI_DEPRECATED int
slapi_call_syntax_values2keys(/* JCM SLOW FUNCTION */
                              void *vpi,
                              struct berval **vals,
                              struct berval ***ivals,
                              int ftype)
{
    int rc;
    Slapi_Value **svin = NULL;
    Slapi_Value **svout = NULL;
    valuearray_init_bervalarray(vals, &svin); /* JCM SLOW FUNCTION */
    rc = slapi_call_syntax_values2keys_sv(vpi, svin, &svout, ftype);
    valuearray_get_bervalarray(svout, ivals); /* JCM SLOW FUNCTION */
    valuearray_free(&svout);
    valuearray_free(&svin);
    return rc;
}

int
slapi_call_syntax_values2keys_sv(
    void *vpi,
    Slapi_Value **vals,
    Slapi_Value ***ivals,
    int ftype)
{
    int rc;
    Slapi_PBlock *pipb = slapi_pblock_new();
    struct slapdplugin *pi = vpi;

    slapi_log_err(SLAPI_LOG_FILTER, "slapi_call_syntax_values2keys_sv", "=>\n");

    slapi_pblock_set(pipb, SLAPI_PLUGIN, vpi);

    *ivals = NULL;
    rc = -1; /* means no values2keys function */
    if (pi != NULL && pi->plg_syntax_values2keys != NULL) {
        rc = pi->plg_syntax_values2keys(pipb, vals, ivals, ftype);
    }

    slapi_pblock_destroy(pipb);

    slapi_log_err(SLAPI_LOG_FILTER,
                  "slapi_call_syntax_values2keys_sv", "<= %d\n", rc);
    return (rc);
}

int
slapi_attr_values2keys_sv_pb(
    const Slapi_Attr *sattr,
    Slapi_Value **vals,
    Slapi_Value ***ivals,
    int ftype,
    Slapi_PBlock *pb)
{
    int rc;
    struct slapdplugin *pi = NULL;
    IFP v2k_fn = NULL;

    if ((sattr->a_plugin == NULL)) {
        /* could be lazy plugin initialization, get it now */
        slapi_attr_init_syntax((Slapi_Attr *)sattr);
    }

    switch (ftype) {
    case LDAP_FILTER_EQUALITY:
    case LDAP_FILTER_APPROX:
        if (sattr->a_mr_eq_plugin) {
            pi = sattr->a_mr_eq_plugin;
            v2k_fn = sattr->a_mr_eq_plugin->plg_mr_values2keys;
        } else if (sattr->a_plugin) {
            pi = sattr->a_plugin;
            v2k_fn = sattr->a_plugin->plg_syntax_values2keys;
        }
        break;
    case LDAP_FILTER_SUBSTRINGS:
        if (sattr->a_mr_sub_plugin) {
            pi = sattr->a_mr_sub_plugin;
            v2k_fn = sattr->a_mr_sub_plugin->plg_mr_values2keys;
        } else if (sattr->a_plugin) {
            pi = sattr->a_plugin;
            v2k_fn = sattr->a_plugin->plg_syntax_values2keys;
        }
        break;
    default:
        slapi_log_err(SLAPI_LOG_ERR, "slapi_attr_values2keys_sv_pb", "Unsupported filter type %d\n",
                      ftype);
        rc = LDAP_PROTOCOL_ERROR;
        goto done;
    }

    slapi_pblock_set(pb, SLAPI_PLUGIN, pi);

    *ivals = NULL;
    rc = -1; /* means no values2keys function */
    if ((pi != NULL) && (v2k_fn != NULL)) {
        rc = (*v2k_fn)(pb, vals, ivals, ftype);
    }

done:
    return (rc);
}

int
slapi_attr_values2keys_sv(
    const Slapi_Attr *sattr,
    Slapi_Value **vals,
    Slapi_Value ***ivals,
    int ftype)
{
    int result = 0;
    Slapi_PBlock *pb = slapi_pblock_new();
    result = slapi_attr_values2keys_sv_pb(sattr, vals, ivals, ftype, pb);
    slapi_pblock_destroy(pb);
    return result;
}

SLAPI_DEPRECATED int
slapi_attr_values2keys(/* JCM SLOW FUNCTION */
                       const Slapi_Attr *sattr,
                       struct berval **vals,
                       struct berval ***ivals,
                       int ftype)
{
    int rc;
    Slapi_Value **svin = NULL;
    Slapi_Value **svout = NULL;
    valuearray_init_bervalarray(vals, &svin); /* JCM SLOW FUNCTION */
    rc = slapi_attr_values2keys_sv(sattr, svin, &svout, ftype);
    valuearray_get_bervalarray(svout, ivals); /* JCM SLOW FUNCTION */
    valuearray_free(&svout);
    valuearray_free(&svin);
    return rc;
}

/*
 * almost identical to slapi_call_syntax_values2keys_sv except accepting
 * pblock to pass some info such as substrlen.
 */
int
slapi_call_syntax_values2keys_sv_pb(
    void *vpi,
    Slapi_Value **vals,
    Slapi_Value ***ivals,
    int ftype,
    Slapi_PBlock *pb)
{
    int rc;
    struct slapdplugin *pi = vpi;

    slapi_log_err(SLAPI_LOG_FILTER, "slapi_call_syntax_values2keys_sv_pb", "=>\n");

    slapi_pblock_set(pb, SLAPI_PLUGIN, vpi);

    *ivals = NULL;
    rc = -1; /* means no values2keys function */
    if (pi != NULL && pi->plg_syntax_values2keys != NULL) {
        rc = pi->plg_syntax_values2keys(pb, vals, ivals, ftype);
    }

    slapi_log_err(SLAPI_LOG_FILTER,
                  "slapi_call_syntax_values2keys_sv_pb", "<= %d\n", rc);
    return (rc);
}

SLAPI_DEPRECATED int
slapi_call_syntax_assertion2keys_ava(/* JCM SLOW FUNCTION */
                                     void *vpi,
                                     struct berval *val,
                                     struct berval ***ivals,
                                     int ftype)
{
    int rc;
    Slapi_Value svin;
    Slapi_Value **svout = NULL;
    slapi_value_init_berval(&svin, val);
    rc = slapi_call_syntax_assertion2keys_ava_sv(vpi, &svin, &svout, ftype);
    valuearray_get_bervalarray(svout, ivals); /* JCM SLOW FUNCTION */
    valuearray_free(&svout);
    value_done(&svin);
    return rc;
}

SLAPI_DEPRECATED int
slapi_call_syntax_assertion2keys_ava_sv(
    void *vpi,
    Slapi_Value *val,
    Slapi_Value ***ivals,
    int ftype)
{
    int rc;
    Slapi_PBlock *pipb = slapi_pblock_new();
    struct slapdplugin *pi = vpi;

    slapi_log_err(SLAPI_LOG_FILTER,
                  "slapi_call_syntax_assertion2keys_ava_sv", "=>\n");

    slapi_pblock_set(pipb, SLAPI_PLUGIN, vpi);

    rc = -1; /* means no assertion2keys function */
    if (pi->plg_syntax_assertion2keys_ava != NULL) {
        rc = pi->plg_syntax_assertion2keys_ava(pipb, val, ivals, ftype);
    }

    slapi_pblock_destroy(pipb);
    slapi_log_err(SLAPI_LOG_FILTER,
                  "slapi_call_syntax_assertion2keys_ava_sv", "<= %d\n", rc);
    return (rc);
}

int
slapi_attr_assertion2keys_ava_sv(
    const Slapi_Attr *sattr,
    Slapi_Value *val,
    Slapi_Value ***ivals,
    int ftype)
{
    int rc;
    struct slapdplugin *pi = NULL;
    IFP a2k_fn = NULL;

    slapi_log_err(SLAPI_LOG_FILTER,
                  "slapi_attr_assertion2keys_ava_sv", "=>\n");
    if ((sattr->a_plugin == NULL)) {
        /* could be lazy plugin initialization, get it now */
        slapi_attr_init_syntax((Slapi_Attr *)sattr);
    }

    switch (ftype) {
    case LDAP_FILTER_EQUALITY:
    case LDAP_FILTER_APPROX:
    case LDAP_FILTER_EQUALITY_FAST:
        if (sattr->a_mr_eq_plugin) {
            pi = sattr->a_mr_eq_plugin;
            a2k_fn = sattr->a_mr_eq_plugin->plg_mr_assertion2keys_ava;
        } else if (sattr->a_plugin) {
            pi = sattr->a_plugin;
            a2k_fn = sattr->a_plugin->plg_syntax_assertion2keys_ava;
        }
        break;
    default:
        slapi_log_err(SLAPI_LOG_ERR, "slapi_attr_assertion2keys_ava_sv",
                      "Unsupported filter type %d\n", ftype);
        rc = LDAP_PROTOCOL_ERROR;
        goto done;
    }

    Slapi_PBlock *pipb = slapi_pblock_new();
    slapi_pblock_set(pipb, SLAPI_PLUGIN, pi);

    rc = -1; /* means no assertion2keys function */
    if (a2k_fn != NULL) {
        rc = (*a2k_fn)(pipb, val, ivals, ftype);
    }
    slapi_pblock_destroy(pipb);
done:
    slapi_log_err(SLAPI_LOG_FILTER,
                  "slapi_attr_assertion2keys_ava_sv", "=> %d\n", rc);
    return (rc);
}

SLAPI_DEPRECATED int
slapi_attr_assertion2keys_ava(/* JCM SLOW FUNCTION */
                              const Slapi_Attr *sattr,
                              struct berval *val,
                              struct berval ***ivals,
                              int ftype)
{
    int rc;
    Slapi_Value svin;
    Slapi_Value **svout = NULL;
    slapi_value_init_berval(&svin, val);
    rc = slapi_attr_assertion2keys_ava_sv(sattr, &svin, &svout, ftype);
    valuearray_get_bervalarray(svout, ivals); /* JCM SLOW FUNCTION */
    valuearray_free(&svout);
    value_done(&svin);
    return rc;
}

SLAPI_DEPRECATED int
slapi_call_syntax_assertion2keys_sub(/* JCM SLOW FUNCTION */
                                     void *vpi,
                                     char *initial,
                                     char **any,
                                     char * final,
                                     struct berval ***ivals)
{
    int rc;
    Slapi_Value **svout = NULL;
    rc = slapi_call_syntax_assertion2keys_sub_sv(vpi, initial, any, final, &svout);
    valuearray_get_bervalarray(svout, ivals); /* JCM SLOW FUNCTION */
    valuearray_free(&svout);
    return rc;
}

int
slapi_call_syntax_assertion2keys_sub_sv(
    void *vpi,
    char *initial,
    char **any,
    char * final,
    Slapi_Value ***ivals)
{
    int rc;
    Slapi_PBlock *pipb = slapi_pblock_new();
    struct slapdplugin *pi = vpi;

    slapi_log_err(SLAPI_LOG_FILTER,
                  "slapi_call_syntax_assertion2keys_sub_sv", "=>\n");

    slapi_pblock_set(pipb, SLAPI_PLUGIN, vpi);

    rc = -1; /* means no assertion2keys function */
    *ivals = NULL;
    if (pi->plg_syntax_assertion2keys_sub != NULL) {
        rc = pi->plg_syntax_assertion2keys_sub(pipb, initial, any,
                                               final, ivals);
    }

    slapi_pblock_destroy(pipb);

    slapi_log_err(SLAPI_LOG_FILTER,
                  "slapi_call_syntax_assertion2keys_sub_sv", "<= %d\n", rc);
    return (rc);
}

int
slapi_attr_assertion2keys_sub_sv(
    const Slapi_Attr *sattr,
    char *initial,
    char **any,
    char * final,
    Slapi_Value ***ivals)
{
    return slapi_attr_assertion2keys_sub_sv_pb(NULL, sattr, initial, any, final, ivals);
}

int
slapi_attr_assertion2keys_sub_sv_pb(
    Slapi_PBlock *pb,
    const Slapi_Attr *sattr,
    char *initial,
    char **any,
    char * final,
    Slapi_Value ***ivals)
{
    int rc;
    Slapi_PBlock *pipb = NULL;
    Slapi_PBlock *work_pb = NULL;
    struct slapdplugin *pi = NULL;
    struct slapdplugin *origpi = NULL;
    IFP a2k_fn = NULL;

    slapi_log_err(SLAPI_LOG_FILTER,
                  "slapi_attr_assertion2keys_sub_sv_pb", "=>\n");
    if ((sattr->a_plugin == NULL)) {
        /* could be lazy plugin initialization, get it now */
        slapi_attr_init_syntax((Slapi_Attr *)sattr);
    }

    if (sattr->a_mr_sub_plugin) {
        pi = sattr->a_mr_sub_plugin;
        a2k_fn = sattr->a_mr_sub_plugin->plg_mr_assertion2keys_sub;
    } else if (sattr->a_plugin) {
        pi = sattr->a_plugin;
        a2k_fn = sattr->a_plugin->plg_syntax_assertion2keys_sub;
    }
    if (NULL == pb) {
        pipb = slapi_pblock_new();
        work_pb = pipb;
    } else {
        /* back up the original slapdplugin if any */
        slapi_pblock_get(pb, SLAPI_PLUGIN, &origpi);
        work_pb = pb;
    }
    slapi_pblock_set(work_pb, SLAPI_PLUGIN, pi);

    rc = -1; /* means no assertion2keys function */
    *ivals = NULL;
    if (a2k_fn != NULL) {
        rc = (*a2k_fn)(work_pb, initial, any, final, ivals);
    }

    if (pb == NULL) {
        slapi_pblock_destroy(pipb);
    } else {
        /* restore the original slapdplugin if pb is not local. */
        slapi_pblock_set(pb, SLAPI_PLUGIN, origpi);
    }

    slapi_log_err(SLAPI_LOG_FILTER,
                  "slapi_attr_assertion2keys_sub_sv_pb", "<= %d\n", rc);
    return (rc);
}

SLAPI_DEPRECATED int
slapi_attr_assertion2keys_sub(/* JCM SLOW FUNCTION */
                              const Slapi_Attr *sattr,
                              char *initial,
                              char **any,
                              char * final,
                              struct berval ***ivals)
{
    int rc;
    Slapi_Value **svout = NULL;
    rc = slapi_attr_assertion2keys_sub_sv(sattr, initial, any, final, &svout);
    valuearray_get_bervalarray(svout, ivals); /* JCM SLOW FUNCTION */
    valuearray_free(&svout);
    return rc;
}

void
slapi_attr_value_normalize_ext(
    Slapi_PBlock *pb,
    const Slapi_Attr *sattr, /* if sattr is NULL, type must be attr type name */
    const char *type,
    char *val,
    int trim_spaces,
    char **retval,
    unsigned long filter_type)
{
    Slapi_Attr myattr = {0};
    VFPV norm_fn = NULL;

    if (!sattr) {
        sattr = slapi_attr_init(&myattr, type);
        if (!sattr) {
            attr_done(&myattr);
            return;
        }
    }
    if ((sattr->a_plugin == NULL)) {
        /* could be lazy plugin initialization, get it now */
        slapi_attr_init_syntax((Slapi_Attr *)sattr);
    }

    /* use the filter type to determine which matching rule to use */
    switch (filter_type) {
    case LDAP_FILTER_GE:
    case LDAP_FILTER_LE:
        if (sattr->a_mr_ord_plugin) {
            norm_fn = sattr->a_mr_ord_plugin->plg_mr_normalize;
        }
        break;
    case LDAP_FILTER_EQUALITY:
        if (sattr->a_mr_eq_plugin) {
            norm_fn = sattr->a_mr_eq_plugin->plg_mr_normalize;
        }
        break;
    case LDAP_FILTER_SUBSTRINGS:
        if (sattr->a_mr_sub_plugin) {
            norm_fn = sattr->a_mr_sub_plugin->plg_mr_normalize;
        }
        break;
    default:
        break;
    }

    if (!norm_fn && sattr->a_plugin) {
        /* no matching rule specific normalizer specified - use syntax default */
        norm_fn = sattr->a_plugin->plg_syntax_normalize;
    }
    if (norm_fn) {
        (*norm_fn)(pb, val, trim_spaces, retval);
    }
    if (sattr == &myattr) {
        attr_done(&myattr);
    }
    return;
}

void
slapi_attr_value_normalize(
    Slapi_PBlock *pb,
    const Slapi_Attr *sattr, /* if sattr is NULL, type must be attr type name */
    const char *type,
    char *val,
    int trim_spaces,
    char **retval)
{
    slapi_attr_value_normalize_ext(pb, sattr, type, val, trim_spaces, retval, 0);
}
