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/*
Unix SMB/CIFS implementation.
provide hooks into smbd C calls from ejs scripts
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 "scripting/ejs/smbcalls.h"
#include "lib/appweb/ejs/ejs.h"
#include "param/loadparm.h"
#include "system/network.h"
#include "netif/netif.h"
/*
return a list of defined services
*/
static int ejs_lpServices(MprVarHandle eid, int argc, char **argv)
{
int i;
const char **list = NULL;
if (argc != 0) return -1;
for (i=0;i<lp_numservices();i++) {
list = str_list_add(list, lp_servicename(i));
}
talloc_steal(mprMemCtx(), list);
mpr_Return(eid, mprList("services", list));
return 0;
}
/*
return a list of parameter categories
*/
static int ejs_lpCategories(MprVarHandle eid, int argc, char **argv)
{
struct parm_struct *parm_table = lp_parm_table();
int i;
const char **list = NULL;
if (argc != 0) return -1;
for (i=0;parm_table[i].label;i++) {
if (parm_table[i].class == P_SEPARATOR) {
list = str_list_add(list, parm_table[i].label);
}
}
talloc_steal(mprMemCtx(), list);
mpr_Return(eid, mprList("categories", list));
return 0;
}
/*
allow access to loadparm variables from inside ejs scripts in swat
can be called in 4 ways:
v = lp.get("type:parm"); gets a parametric variable
v = lp.get("share", "type:parm"); gets a parametric variable on a share
v = lp.get("parm"); gets a global variable
v = lp.get("share", "parm"); gets a share variable
the returned variable is a ejs object. It is an array object for lists.
*/
static int ejs_lpGet(MprVarHandle eid, int argc, char **argv)
{
struct parm_struct *parm = NULL;
void *parm_ptr = NULL;
int i;
if (argc < 1) return -1;
if (argc == 2) {
/* its a share parameter */
int snum = lp_servicenumber(argv[0]);
if (snum == -1) {
return -1;
}
if (strchr(argv[1], ':')) {
/* its a parametric option on a share */
const char *type = talloc_strndup(mprMemCtx(),
argv[1],
strcspn(argv[1], ":"));
const char *option = strchr(argv[1], ':') + 1;
const char *value;
if (type == NULL || option == NULL) return -1;
value = lp_get_parametric(snum, type, option);
if (value == NULL) return -1;
mpr_ReturnString(eid, value);
return 0;
}
parm = lp_parm_struct(argv[1]);
if (parm == NULL || parm->class == P_GLOBAL) {
return -1;
}
parm_ptr = lp_parm_ptr(snum, parm);
} else if (strchr(argv[0], ':')) {
/* its a global parametric option */
const char *type = talloc_strndup(mprMemCtx(),
argv[0], strcspn(argv[0], ":"));
const char *option = strchr(argv[0], ':') + 1;
const char *value;
if (type == NULL || option == NULL) return -1;
value = lp_get_parametric(-1, type, option);
if (value == NULL) return -1;
mpr_ReturnString(eid, value);
return 0;
} else {
/* its a global parameter */
parm = lp_parm_struct(argv[0]);
if (parm == NULL) return -1;
parm_ptr = lp_parm_ptr(-1, parm);
}
if (parm == NULL || parm_ptr == NULL) {
return -1;
}
/* construct and return the right type of ejs object */
switch (parm->type) {
case P_STRING:
case P_USTRING:
mpr_ReturnString(eid, *(char **)parm_ptr);
break;
case P_BOOL:
mpr_Return(eid, mprCreateBoolVar(*(BOOL *)parm_ptr));
break;
case P_INTEGER:
case P_BYTES:
mpr_Return(eid, mprCreateIntegerVar(*(int *)parm_ptr));
break;
case P_ENUM:
for (i=0; parm->enum_list[i].name; i++) {
if (*(int *)parm_ptr == parm->enum_list[i].value) {
mpr_ReturnString(eid, parm->enum_list[i].name);
return 0;
}
}
return -1;
case P_LIST:
mpr_Return(eid, mprList(parm->label, *(const char ***)parm_ptr));
break;
case P_SEP:
return -1;
}
return 0;
}
/*
set a smb.conf parameter. Only sets in memory, not permanent
can be called in 4 ways:
ok = lp.set("parm", "value");
*/
static int ejs_lpSet(MprVarHandle eid, int argc, char **argv)
{
if (argc != 2) {
ejsSetErrorMsg(eid, "lp.set invalid arguments");
return -1;
}
mpr_Return(eid, mprCreateBoolVar(lp_set_cmdline(argv[0], argv[1])));
return 0;
}
/*
reload smb.conf
ok = lp.reload();
*/
static int ejs_lpReload(MprVarHandle eid, int argc, char **argv)
{
BOOL ret = lp_load();
if (ret) {
unload_interfaces();
}
mpr_Return(eid, mprCreateBoolVar(ret));
return 0;
}
/*
initialise loadparm ejs subsystem
*/
static int ejs_loadparm_init(MprVarHandle eid, int argc, struct MprVar **argv)
{
struct MprVar *obj = mprInitObject(eid, "loadparm", argc, argv);
mprSetStringCFunction(obj, "get", ejs_lpGet);
mprSetStringCFunction(obj, "set", ejs_lpSet);
mprSetStringCFunction(obj, "reload", ejs_lpReload);
mprSetStringCFunction(obj, "services", ejs_lpServices);
mprSetStringCFunction(obj, "categories", ejs_lpCategories);
return 0;
}
/*
setup C functions that be called from ejs
*/
void smb_setup_ejs_config(void)
{
ejsDefineCFunction(-1, "loadparm_init", ejs_loadparm_init, NULL, MPR_VAR_SCRIPT_HANDLE);
}
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