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359d6a26 AG |
1 | /* |
2 | * Copyright 2023 The OpenSSL Project Authors. All Rights Reserved. | |
3 | * | |
4 | * Licensed under the Apache License 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 | * https://www.openssl.org/source/license.html | |
8 | * or in the file LICENSE in the source distribution. | |
9 | */ | |
10 | ||
11 | #include "fuzzer.h" | |
12 | #include <openssl/err.h> | |
13 | #include <openssl/pkcs7.h> | |
14 | #include <openssl/x509.h> | |
15 | #include <stdio.h> | |
16 | ||
17 | int FuzzerInitialize(int *argc, char ***argv) | |
18 | { | |
19 | return 1; | |
20 | } | |
21 | ||
22 | int FuzzerTestOneInput(const uint8_t *buf, size_t len) | |
23 | { | |
24 | BIO *b = BIO_new_mem_buf(buf, len); | |
25 | PKCS7 *p7 = SMIME_read_PKCS7(b, NULL); | |
26 | ||
27 | if (p7 != NULL) { | |
28 | STACK_OF(PKCS7_SIGNER_INFO) *p7si = PKCS7_get_signer_info(p7); | |
29 | int i; | |
30 | ||
31 | for (i = 0; i < sk_PKCS7_SIGNER_INFO_num(p7si); i++) { | |
32 | STACK_OF(X509_ALGOR) *algs; | |
33 | ||
34 | PKCS7_cert_from_signer_info(p7, | |
35 | sk_PKCS7_SIGNER_INFO_value(p7si, i)); | |
36 | algs = PKCS7_get_smimecap(sk_PKCS7_SIGNER_INFO_value(p7si, i)); | |
37 | sk_X509_ALGOR_pop_free(algs, X509_ALGOR_free); | |
38 | } | |
39 | PKCS7_free(p7); | |
40 | } | |
41 | ||
42 | BIO_free(b); | |
43 | ERR_clear_error(); | |
44 | return 0; | |
45 | } | |
46 | ||
47 | void FuzzerCleanup(void) | |
48 | { | |
49 | } |