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/*
* Copyright (C) 2013 John Crispin <blogic@openwrt.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 2.1
* as published by the Free Software Foundation
*
* 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.
*/
#include <libubox/blobmsg_json.h>
#include <libubox/avl-cmp.h>
#include "../procd.h"
#include "service.h"
enum {
SERVICE_VAL_PACKAGE,
SERVICE_VAL_TYPE,
SERVICE_VAL_DATA,
__SERVICE_VAL_MAX
};
static const struct blobmsg_policy service_validate_attrs[__SERVICE_VAL_MAX] = {
[SERVICE_VAL_PACKAGE] = { "package", BLOBMSG_TYPE_STRING },
[SERVICE_VAL_TYPE] = { "type", BLOBMSG_TYPE_STRING },
[SERVICE_VAL_DATA] = { "data", BLOBMSG_TYPE_TABLE },
};
static struct avl_tree validators;
void
service_validate_dump_all(struct blob_buf *b, char *p, char *s)
{
struct json_object *r = json_object_new_object();
struct validate *v;
if (!r)
return;
avl_for_each_element(&validators, v, avl) {
struct json_object *o, *t;
struct vrule *vr;
if (p && strcmp(p, v->package))
continue;
if (s && strcmp(s, v->type))
continue;
o = json_object_object_get(r, v->package);
if (!o) {
o = json_object_new_object();
json_object_object_add(r, v->package, o);
}
t = json_object_object_get(o, v->type);
if (!t) {
t = json_object_new_object();
json_object_object_add(o, v->type, t);
}
avl_for_each_element(&v->rules, vr, avl)
json_object_object_add(t, vr->option, json_object_new_string(vr->rule));
}
blobmsg_add_object(b, r);
}
void
service_validate_dump(struct blob_buf *b, struct service *s)
{
struct validate *v;
void *i = blobmsg_open_array(b, "validate");
list_for_each_entry(v, &s->validators, list) {
struct vrule *vr;
void *k, *j = blobmsg_open_table(b, "validate");
blobmsg_add_string(b, "package", v->package);
blobmsg_add_string(b, "type", v->type);
k = blobmsg_open_table(b, "rules");
avl_for_each_element(&v->rules, vr, avl)
blobmsg_add_string(b, vr->option, vr->rule);
blobmsg_close_table(b, k);
blobmsg_close_table(b, j);
}
blobmsg_close_array(b, i);
}
void
service_validate_del(struct service *s)
{
struct validate *v, *n;
if (list_empty(&s->validators))
return;
list_for_each_entry_safe(v, n, &s->validators, list) {
struct vrule *vr, *a;
avl_remove_all_elements(&v->rules, vr, avl, a)
free(vr);
avl_delete(&validators, &v->avl);
list_del(&v->list);
free(v);
}
}
void
service_validate_add(struct service *s, struct blob_attr *msg)
{
struct blob_attr *tb[__SERVICE_VAL_MAX];
struct validate *v;
char *type, *package;
struct blob_attr *cur;
int rem;
blobmsg_parse(service_validate_attrs, __SERVICE_VAL_MAX, tb, blobmsg_data(msg), blobmsg_data_len(msg));
if (!tb[SERVICE_VAL_PACKAGE] || !tb[SERVICE_VAL_TYPE] || !tb[SERVICE_VAL_DATA])
return;
v = calloc_a(sizeof(*v), &package, blobmsg_data_len(tb[SERVICE_VAL_PACKAGE]) + 1,
&type, blobmsg_data_len(tb[SERVICE_VAL_TYPE]) + 1);
if (!v)
return;
v->type = type;
v->avl.key = v->package = package;
strcpy(v->package, blobmsg_get_string(tb[SERVICE_VAL_PACKAGE]));
strcpy(v->type, blobmsg_get_string(tb[SERVICE_VAL_TYPE]));
list_add(&v->list, &s->validators);
if (avl_insert(&validators, &v->avl)) {
free(v);
return;
}
avl_init(&v->rules, avl_strcmp, false, NULL);
blobmsg_for_each_attr(cur, tb[SERVICE_VAL_DATA], rem) {
char *option;
char *rule;
struct vrule *vr = calloc_a(sizeof(*vr), &option, strlen(blobmsg_name(cur)) + 1,
&rule, strlen(blobmsg_get_string(cur)) + 1);
vr->avl.key = vr->option = option;
vr->rule = rule;
strcpy(vr->option, blobmsg_name(cur));
strcpy(vr->rule, blobmsg_get_string(cur));
if (avl_insert(&v->rules, &vr->avl))
free(vr);
}
}
void
service_validate_init(void)
{
avl_init(&validators, avl_strcmp, true, NULL);
}
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