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/*
Unix SMB/CIFS implementation.
utility functions for manipulating mpr variables in ejs calls
Copyright (C) Andrew Tridgell 2005
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "includes.h"
#include "lib/ejs/ejs.h"
#include "lib/ldb/include/ldb.h"
/*
add an indexed array element to a property
*/
static void mprAddArray(struct MprVar *var, int i, struct MprVar v)
{
char idx[16];
mprItoa(i, idx, sizeof(idx));
mprCreateProperty(var, idx, &v);
}
/*
construct a MprVar from a list
*/
struct MprVar mprList(const char *name, const char **list)
{
struct MprVar var;
int i;
var = mprCreateObjVar(name, MPR_DEFAULT_HASH_SIZE);
for (i=0;list && list[i];i++) {
mprAddArray(&var, i, mprCreateStringVar(list[i], 1));
}
return var;
}
/*
construct a string MprVar from a lump of data
*/
struct MprVar mprData(const uint8_t *p, size_t length)
{
struct MprVar var;
char *s = talloc_strndup(mprMemCtx(), p, length);
if (s == NULL) {
return mprCreateUndefinedVar();
}
var = mprCreateStringVar(s, 1);
talloc_free(s);
return var;
}
/*
turn a ldb_message into a ejs object variable
*/
struct MprVar mprLdbMessage(struct ldb_message *msg)
{
struct MprVar var;
int i;
/* we force some attributes to always be an array in the
returned structure. This makes the scripting easier, as you don't
need a special case for the single value case */
const char *multivalued[] = { "objectClass", "memberOf", "privilege",
"member", NULL };
struct MprVar val;
var = mprCreateObjVar(msg->dn, MPR_DEFAULT_HASH_SIZE);
for (i=0;i<msg->num_elements;i++) {
struct ldb_message_element *el = &msg->elements[i];
if (el->num_values == 1 &&
!str_list_check_ci(multivalued, el->name)) {
val = mprData(el->values[0].data, el->values[0].length);
} else {
int j;
val = mprCreateObjVar(el->name, MPR_DEFAULT_HASH_SIZE);
for (j=0;j<el->num_values;j++) {
mprAddArray(&val, j,
mprData(el->values[j].data,
el->values[j].length));
}
}
mprCreateProperty(&var, el->name, &val);
}
/* add the dn if it is not already specified */
if (mprGetProperty(&var, "dn", 0) == 0) {
val = mprCreateStringVar(msg->dn, 1);
mprCreateProperty(&var, "dn", &val);
}
return var;
}
/*
turn an array of ldb_messages into a ejs object variable
*/
struct MprVar mprLdbArray(struct ldb_message **msg, int count, const char *name)
{
struct MprVar res;
int i;
res = mprCreateObjVar(name?name:"(NULL)", MPR_DEFAULT_HASH_SIZE);
for (i=0;i<count;i++) {
mprAddArray(&res, i, mprLdbMessage(msg[i]));
}
return res;
}
/*
turn a MprVar string variable into a const char *
*/
const char *mprToString(const struct MprVar *v)
{
if (v->type != MPR_TYPE_STRING) return NULL;
return v->string;
}
/*
turn a MprVar object variable into a string list
this assumes the object variable consists only of strings
*/
const char **mprToList(TALLOC_CTX *mem_ctx, struct MprVar *v)
{
const char **list = NULL;
struct MprVar *el;
if (v->type != MPR_TYPE_OBJECT ||
v->properties == NULL) {
return NULL;
}
for (el=mprGetFirstProperty(v, MPR_ENUM_DATA);
el;
el=mprGetNextProperty(v, el, MPR_ENUM_DATA)) {
const char *s = mprToString(el);
if (s) {
list = str_list_add(list, s);
}
}
talloc_steal(mem_ctx, list);
return list;
}
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