1 /*
2 # Copyright 2021 Google LLC
3 #
4 # Licensed under the Apache License, Version 2.0 (the "License");
5 # you may not use this file except in compliance with the License.
6 # You may obtain a copy of the License at
7 #
8 # http://www.apache.org/licenses/LICENSE-2.0
9 #
10 # Unless required by applicable law or agreed to in writing, software
11 # distributed under the License is distributed on an "AS IS" BASIS,
12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 # See the License for the specific language governing permissions and
14 # limitations under the License.
15 #
16 ################################################################################
17 */
18
19 #include <stdint.h>
20 #include <stdlib.h>
21 #include <string.h>
22
23 #include "xmlnode.h"
24 #include "caps.h"
25
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)26 int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
27 char *malicious_xml = (char *)malloc(size + 1);
28 if (malicious_xml == NULL) {
29 return 0;
30 }
31 memcpy(malicious_xml, data, size);
32 malicious_xml[size] = '\0';
33
34 xmlnode *isc = xmlnode_from_str(malicious_xml, size+1);
35 if (isc != NULL) {
36 xmlnode_set_attrib(isc, "name", "query");
37
38 // Parse Jabber caps
39 JabberCapsClientInfo *info = jabber_caps_parse_client_info(isc);
40 gchar *got_hash = jabber_caps_calculate_hash(info, ("sha1"));
41
42 // Insert a child
43 xmlnode *child = xmlnode_new_child(isc, "query");
44 xmlnode_insert_child(isc, child);
45
46 // Get data
47 char *retrieved_data = xmlnode_get_data(isc);
48 char *retrieved_data_unescaped = xmlnode_get_data_unescaped(isc);
49
50 xmlnode_free(isc);
51 }
52
53 free(malicious_xml);
54 return 0;
55 }