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/*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "json-utils.h"
#include "logging.h"
#include "crypto/mem.h"
/* Shortcut function to add field checking it for null to avoid allocation failure.
Please note that it deallocates val on failure. */
bool
obj_add_field_json(json_object *obj, const char *name, json_object *val)
{
if (!val) {
return false;
}
// TODO: in JSON-C 0.13 json_object_object_add returns bool instead of void
json_object_object_add(obj, name, val);
if (!json_object_object_get_ex(obj, name, NULL)) {
json_object_put(val);
return false;
}
return true;
}
bool
json_add(json_object *obj, const char *name, const char *value)
{
return obj_add_field_json(obj, name, json_object_new_string(value));
}
bool
json_add(json_object *obj, const char *name, bool value)
{
return obj_add_field_json(obj, name, json_object_new_boolean(value));
}
bool
json_add(json_object *obj, const char *name, const char *value, size_t len)
{
return obj_add_field_json(obj, name, json_object_new_string_len(value, len));
}
bool
obj_add_hex_json(json_object *obj, const char *name, const uint8_t *val, size_t val_len)
{
if (val_len > 1024 * 1024) {
RNP_LOG("too large json hex field: %zu", val_len);
val_len = 1024 * 1024;
}
char smallbuf[64] = {0};
size_t hexlen = val_len * 2 + 1;
char *hexbuf = hexlen < sizeof(smallbuf) ? smallbuf : (char *) malloc(hexlen);
if (!hexbuf) {
return false;
}
bool res = rnp::hex_encode(val, val_len, hexbuf, hexlen, rnp::HEX_LOWERCASE) &&
obj_add_field_json(obj, name, json_object_new_string(hexbuf));
if (hexbuf != smallbuf) {
free(hexbuf);
}
return res;
}
bool
array_add_element_json(json_object *obj, json_object *val)
{
if (!val) {
return false;
}
if (json_object_array_add(obj, val)) {
json_object_put(val);
return false;
}
return true;
}