From 8053187731ae8e3eb368d8360989cf5fd6eed9f7 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 05:32:49 +0200 Subject: Adding upstream version 0.17.0. Signed-off-by: Daniel Baumann --- src/lib/json-utils.cpp | 103 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 103 insertions(+) create mode 100644 src/lib/json-utils.cpp (limited to 'src/lib/json-utils.cpp') diff --git a/src/lib/json-utils.cpp b/src/lib/json-utils.cpp new file mode 100644 index 0000000..742fbc1 --- /dev/null +++ b/src/lib/json-utils.cpp @@ -0,0 +1,103 @@ +/* + * Copyright (c) 2021, [Ribose Inc](https://www.ribose.com). + * 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; +} -- cgit v1.2.3