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/*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*
* Copyright (C) 2008 John Crispin <blogic@openwrt.org>
*/
#include <string.h>
#include <stdlib.h>
#include <uci.h>
#include <lib/list.h>
#include <lib/log.h>
#include <lib/uci.h>
static struct uci_ptr ptr;
static struct uci_package *p = NULL;
static inline int ucix_get_ptr(struct uci_context *ctx, const char *p, const char *s, const char *o, const char *t)
{
memset(&ptr, 0, sizeof(ptr));
ptr.package = p;
ptr.section = s;
ptr.option = o;
ptr.value = t;
return uci_lookup_ptr(ctx, &ptr, NULL, true);
}
struct uci_context* ucix_init(const char *config_file)
{
struct uci_context *ctx = uci_alloc_context();
uci_add_history_path(ctx, "/var/state");
uci_set_savedir(ctx, "/var/state/");
if(uci_load(ctx, config_file, &p) != UCI_OK)
{
log_printf("%s/%s is missing or corrupt\n", ctx->savedir, config_file);
return NULL;
}
return ctx;
}
struct uci_context* ucix_init_path(const char *path, const char *config_file)
{
struct uci_context *ctx = uci_alloc_context();
if(path)
uci_set_confdir(ctx, path);
if(uci_load(ctx, config_file, NULL) != UCI_OK)
{
log_printf("%s/%s is missing or corrupt\n", ctx->savedir, config_file);
return NULL;
}
return ctx;
}
void ucix_cleanup(struct uci_context *ctx)
{
uci_free_context(ctx);
}
void ucix_save(struct uci_context *ctx)
{
uci_set_savedir(ctx, "/tmp/.uci");
uci_save(ctx, p);
}
void ucix_save_state(struct uci_context *ctx)
{
uci_save(ctx, p);
}
int ucix_get_option_list(struct uci_context *ctx, const char *p,
const char *s, const char *o, struct list_head *l)
{
struct uci_element *e = NULL;
if(ucix_get_ptr(ctx, p, s, o, NULL))
return 1;
if (!(ptr.flags & UCI_LOOKUP_COMPLETE))
return 1;
e = ptr.last;
switch (e->type)
{
case UCI_TYPE_OPTION:
switch(ptr.o->type) {
case UCI_TYPE_LIST:
uci_foreach_element(&ptr.o->v.list, e)
{
struct ucilist *ul = malloc(sizeof(struct ucilist));
ul->val = strdup((e->name)?(e->name):(""));
INIT_LIST_HEAD(&ul->list);
list_add(&ul->list, l);
}
break;
default:
break;
}
break;
default:
return 1;
}
return 0;
}
const char* ucix_get_option(struct uci_context *ctx, const char *p, const char *s, const char *o)
{
struct uci_element *e = NULL;
const char *value = NULL;
if(ucix_get_ptr(ctx, p, s, o, NULL))
return NULL;
if (!(ptr.flags & UCI_LOOKUP_COMPLETE))
return NULL;
e = ptr.last;
switch (e->type)
{
case UCI_TYPE_SECTION:
value = uci_to_section(e)->type;
break;
case UCI_TYPE_OPTION:
switch(ptr.o->type) {
case UCI_TYPE_STRING:
value = ptr.o->v.string;
break;
default:
value = NULL;
break;
}
break;
default:
return 0;
}
return value;
}
int ucix_get_option_int(struct uci_context *ctx, const char *p, const char *s, const char *o, int def)
{
const char *tmp = ucix_get_option(ctx, p, s, o);
int ret = def;
if (tmp)
ret = atoi(tmp);
return ret;
}
void ucix_add_section(struct uci_context *ctx, const char *p, const char *s, const char *t)
{
if(ucix_get_ptr(ctx, p, s, NULL, t))
return;
uci_set(ctx, &ptr);
}
void ucix_add_option(struct uci_context *ctx, const char *p, const char *s, const char *o, const char *t)
{
if(ucix_get_ptr(ctx, p, s, o, (t)?(t):("")))
return;
uci_set(ctx, &ptr);
}
void ucix_add_option_int(struct uci_context *ctx, const char *p, const char *s, const char *o, int t)
{
char tmp[64];
snprintf(tmp, 64, "%d", t);
ucix_add_option(ctx, p, s, o, tmp);
}
void ucix_del(struct uci_context *ctx, const char *p, const char *s, const char *o)
{
if(!ucix_get_ptr(ctx, p, s, o, NULL))
uci_delete(ctx, &ptr);
}
void ucix_revert(struct uci_context *ctx, const char *p, const char *s, const char *o)
{
if(!ucix_get_ptr(ctx, p, s, o, NULL))
uci_revert(ctx, &ptr);
}
void ucix_for_each_section_type(struct uci_context *ctx,
const char *p, const char *t,
void (*cb)(const char*, void*), void *priv)
{
struct uci_element *e;
if(ucix_get_ptr(ctx, p, NULL, NULL, NULL))
return;
uci_foreach_element(&ptr.p->sections, e)
if (!strcmp(t, uci_to_section(e)->type))
cb(e->name, priv);
}
int ucix_commit(struct uci_context *ctx, const char *p)
{
if(ucix_get_ptr(ctx, p, NULL, NULL, NULL))
return 1;
return uci_commit(ctx, &ptr.p, false);
}
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