Ben Laurie
7 years ago
parent
049f5bbce3
commit
c38bb72797
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# I Can Haz Fuzz?
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Or, how to fuzz OpenSSL with libfuzzer.
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Starting from a vanilla+OpenSSH server Ubuntu install.
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Use Chrome's handy recent build of clang. Older versions may also work.
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$ sudo apt-get install git
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$ mkdir git-work
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$ git clone https://chromium.googlesource.com/chromium/src/tools/clang
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$ clang/scripts/update.py
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You may want to git pull and re-run the update from time to time.
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Update your path:
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$ PATH=~/third_party/llvm-build/Release+Asserts/bin/:$PATH
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Get and build libFuzzer (there is a git mirror at
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https://github.com/llvm-mirror/llvm/tree/master/lib/Fuzzer if you prefer):
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$ cd
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$ sudo apt-get install subversion
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$ mkdir svn-work
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$ cd svn-work
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$ svn co http://llvm.org/svn/llvm-project/llvm/trunk/lib/Fuzzer
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$ cd Fuzzer
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$ clang++ -c -g -O2 -std=c++11 *.cpp
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$ ar r libFuzzer.a *.o
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$ ranlib libFuzzer.a
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Configure for fuzzing:
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$ CC=clang ./config enable-fuzz enable-asan enable-ubsan no-shared
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$ sudo apt-get install make
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$ LDCMD=clang++ make -j
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$ fuzz/helper.py <fuzzer> <arguments>
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Where `<fuzzer>` is one of the executables in `fuzz/`. Most fuzzers do not
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need any command line arguments, but, for example, `asn1` needs the name of a
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data type.
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If you get a crash, you should find a corresponding input file in
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`fuzz/corpora/<fuzzer>-crash/`. You can reproduce the crash with
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$ fuzz/<fuzzer> <crashfile>
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@ -0,0 +1,86 @@
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/*
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* Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the OpenSSL licenses, (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* https://www.openssl.org/source/license.html
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* or in the file LICENSE in the source distribution.
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*/
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/*
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* Fuzz ASN.1 parsing for various data structures. Specify which on the
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* command line:
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*
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* asn1 <data structure>
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*/
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#include <stdio.h>
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#include <string.h>
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#include <openssl/asn1.h>
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#include <openssl/asn1t.h>
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#include <openssl/ec.h>
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#include <openssl/ocsp.h>
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#include <openssl/pkcs12.h>
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#include <openssl/ts.h>
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#include <openssl/x509v3.h>
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#include "fuzzer.h"
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static const ASN1_ITEM *item_type;
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int LLVMFuzzerInitialize(int *argc, char ***argv) {
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const char *cmd;
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OPENSSL_assert(*argc > 1);
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cmd = (*argv)[1];
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(*argv)[1] = (*argv)[0];
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++*argv;
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--*argc;
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// TODO: make this work like d2i_test.c does, once its decided what the
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// common scheme is!
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#define Y(t) if (!strcmp(cmd, #t)) item_type = ASN1_ITEM_rptr(t)
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#define X(t) else Y(t)
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Y(ASN1_SEQUENCE);
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X(AUTHORITY_INFO_ACCESS);
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X(BIGNUM);
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X(ECPARAMETERS);
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X(ECPKPARAMETERS);
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X(GENERAL_NAME);
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X(GENERAL_SUBTREE);
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X(NAME_CONSTRAINTS);
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X(OCSP_BASICRESP);
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X(OCSP_RESPONSE);
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X(PKCS12);
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X(PKCS12_AUTHSAFES);
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X(PKCS12_SAFEBAGS);
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X(PKCS7);
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X(PKCS7_ATTR_SIGN);
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X(PKCS7_ATTR_VERIFY);
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X(PKCS7_DIGEST);
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X(PKCS7_ENC_CONTENT);
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X(PKCS7_ENCRYPT);
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X(PKCS7_ENVELOPE);
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X(PKCS7_RECIP_INFO);
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X(PKCS7_SIGN_ENVELOPE);
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X(PKCS7_SIGNED);
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X(PKCS7_SIGNER_INFO);
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X(POLICY_CONSTRAINTS);
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X(POLICY_MAPPINGS);
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X(SXNET);
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//X(TS_RESP); want to do this, but type is hidden, however d2i exists...
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X(X509);
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X(X509_CRL);
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else
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OPENSSL_assert(!"Bad type");
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return 0;
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}
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int LLVMFuzzerTestOneInput(const uint8_t *buf, size_t len) {
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const uint8_t *b = buf;
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ASN1_VALUE *o = ASN1_item_d2i(NULL, &b, len, item_type);
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ASN1_item_free(o, item_type);
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return 0;
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}
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/*
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* Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the OpenSSL licenses, (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* https://www.openssl.org/source/license.html
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* or in the file LICENSE in the source distribution.
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*/
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/*
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* Fuzz the parser used for dumping ASN.1 using "openssl asn1parse".
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*/
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#include <stdio.h>
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#include <openssl/asn1.h>
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#include <openssl/x509.h>
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#include <openssl/x509v3.h>
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#include "fuzzer.h"
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int LLVMFuzzerTestOneInput(const uint8_t *buf, size_t len) {
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static BIO *bio_out;
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if (bio_out == NULL)
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bio_out = BIO_new_file("/dev/null", "w");
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(void)ASN1_parse_dump(bio_out, buf, len, 0, 0);
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return 0;
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}
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@ -0,0 +1,91 @@
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/*
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* Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the OpenSSL licenses, (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* https://www.openssl.org/source/license.html
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* or in the file LICENSE in the source distribution.
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*/
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/*
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* Confirm that a^b mod c agrees when calculated cleverly vs naively, for
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* random a, b and c.
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*/
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#include <stdio.h>
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#include <openssl/bn.h>
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#include "fuzzer.h"
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int LLVMFuzzerTestOneInput(const uint8_t *buf, size_t len) {
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int success = 0;
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static BN_CTX *ctx;
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static BN_MONT_CTX *mont;
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static BIGNUM *b1;
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static BIGNUM *b2;
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static BIGNUM *b3;
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static BIGNUM *b4;
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static BIGNUM *b5;
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if (ctx == NULL) {
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b1 = BN_new();
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b2 = BN_new();
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b3 = BN_new();
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b4 = BN_new();
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b5 = BN_new();
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ctx = BN_CTX_new();
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mont = BN_MONT_CTX_new();
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}
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// Divide the input into three parts, using the values of the first two
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// bytes to choose lengths, which generate b1, b2 and b3. Use three bits
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// of the third byte to choose signs for the three numbers.
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size_t l1 = 0, l2 = 0, l3 = 0;
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int s1 = 0, s2 = 0, s3 = 0;
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if (len > 2) {
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len -= 3;
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l1 = (buf[0] * len) / 255;
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++buf;
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l2 = (buf[0] * (len - l1)) / 255;
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++buf;
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l3 = len - l1 - l2;
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s1 = buf[0] & 1;
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s2 = buf[0] & 2;
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s3 = buf[0] & 4;
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++buf;
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}
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OPENSSL_assert(BN_bin2bn(buf, l1, b1) == b1);
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BN_set_negative(b1, s1);
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OPENSSL_assert(BN_bin2bn(buf + l1, l2, b2) == b2);
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BN_set_negative(b2, s2);
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OPENSSL_assert(BN_bin2bn(buf + l1 + l2, l3, b3) == b3);
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BN_set_negative(b3, s3);
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// mod 0 is undefined
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if (BN_is_zero(b3)) {
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success = 1;
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goto done;
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}
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OPENSSL_assert(BN_mod_exp(b4, b1, b2, b3, ctx));
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OPENSSL_assert(BN_mod_exp_simple(b5, b1, b2, b3, ctx));
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success = BN_cmp(b4, b5) == 0;
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if (!success) {
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BN_print_fp(stdout, b1);
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putchar('\n');
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BN_print_fp(stdout, b2);
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putchar('\n');
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BN_print_fp(stdout, b3);
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putchar('\n');
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BN_print_fp(stdout, b4);
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putchar('\n');
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BN_print_fp(stdout, b5);
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putchar('\n');
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}
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done:
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OPENSSL_assert(success);
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return 0;
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}
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/*
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* Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the OpenSSL licenses, (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* https://www.openssl.org/source/license.html
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* or in the file LICENSE in the source distribution.
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*/
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/*
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* Confirm that if (d, r) = a / b, then b * d + r == a, and that sign(d) ==
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* sign(a), and 0 <= r <= b
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*/
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#include <stdio.h>
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#include <openssl/bn.h>
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#include "fuzzer.h"
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int LLVMFuzzerTestOneInput(const uint8_t *buf, size_t len) {
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int success = 0;
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static BN_CTX *ctx;
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static BIGNUM *b1;
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static BIGNUM *b2;
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static BIGNUM *b3;
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static BIGNUM *b4;
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static BIGNUM *b5;
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if (ctx == NULL) {
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b1 = BN_new();
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b2 = BN_new();
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b3 = BN_new();
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b4 = BN_new();
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b5 = BN_new();
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ctx = BN_CTX_new();
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}
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// We are going to split the buffer in two, sizes l1 and l2, giving b1 and
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// b2.
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size_t l1 = 0, l2 = 0;
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// s1 and s2 will be the signs for b1 and b2.
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int s1 = 0, s2 = 0;
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if (len > 0) {
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--len;
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// Use first byte to divide the remaining buffer into 3Fths. I admit
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// this disallows some number sizes. If it matters, better ideas are
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// welcome (Ben).
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l1 = ((buf[0] & 0x3f) * len) / 0x3f;
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s1 = buf[0] & 0x40;
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s2 = buf[0] & 0x80;
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++buf;
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l2 = len - l1;
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}
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OPENSSL_assert(BN_bin2bn(buf, l1, b1) == b1);
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BN_set_negative(b1, s1);
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OPENSSL_assert(BN_bin2bn(buf + l1, l2, b2) == b2);
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BN_set_negative(b2, s2);
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// divide by 0 is an error
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if (BN_is_zero(b2)) {
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success = 1;
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goto done;
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}
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OPENSSL_assert(BN_div(b3, b4, b1, b2, ctx));
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if (BN_is_zero(b1))
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success = BN_is_zero(b3) && BN_is_zero(b4);
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else if (BN_is_negative(b1))
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success = (BN_is_negative(b3) != BN_is_negative(b2) || BN_is_zero(b3))
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&& (BN_is_negative(b4) || BN_is_zero(b4));
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else
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success = (BN_is_negative(b3) == BN_is_negative(b2) || BN_is_zero(b3))
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&& (!BN_is_negative(b4) || BN_is_zero(b4));
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OPENSSL_assert(BN_mul(b5, b3, b2, ctx));
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OPENSSL_assert(BN_add(b5, b5, b4));
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success = success && BN_cmp(b5, b1) == 0;
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if (!success) {
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BN_print_fp(stdout, b1);
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putchar('\n');
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BN_print_fp(stdout, b2);
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putchar('\n');
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BN_print_fp(stdout, b3);
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putchar('\n');
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BN_print_fp(stdout, b4);
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putchar('\n');
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BN_print_fp(stdout, b5);
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putchar('\n');
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printf("%d %d %d %d %d %d %d\n", BN_is_negative(b1),
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BN_is_negative(b2),
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BN_is_negative(b3), BN_is_negative(b4), BN_is_zero(b4),
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BN_is_negative(b3) != BN_is_negative(b2)
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&& (BN_is_negative(b4) || BN_is_zero(b4)),
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BN_cmp(b5, b1));
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puts("----\n");
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}
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done:
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OPENSSL_assert(success);
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return 0;
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}
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@ -0,0 +1,29 @@
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PROGRAMS=server asn1 asn1parse cms conf bignum bndiv
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SOURCE[server]=server.c
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INCLUDE[server]=../include ../../../svn-work/Fuzzer
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DEPEND[server]=../libcrypto ../libssl ../../../svn-work/Fuzzer/libFuzzer
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SOURCE[asn1]=asn1.c
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INCLUDE[asn1]=../include ../../../svn-work/Fuzzer
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DEPEND[asn1]=../libcrypto ../../../svn-work/Fuzzer/libFuzzer
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SOURCE[asn1parse]=asn1parse.c
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INCLUDE[asn1parse]=../include ../../../svn-work/Fuzzer
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DEPEND[asn1parse]=../libcrypto ../../../svn-work/Fuzzer/libFuzzer
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SOURCE[cms]=cms.c
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INCLUDE[cms]=../include ../../../svn-work/Fuzzer
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DEPEND[cms]=../libcrypto ../../../svn-work/Fuzzer/libFuzzer
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SOURCE[conf]=conf.c
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INCLUDE[conf]=../include ../../../svn-work/Fuzzer
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DEPEND[conf]=../libcrypto ../../../svn-work/Fuzzer/libFuzzer
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SOURCE[bignum]=bignum.c
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INCLUDE[bignum]=../include ../../../svn-work/Fuzzer
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DEPEND[bignum]=../libcrypto ../../../svn-work/Fuzzer/libFuzzer
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SOURCE[bndiv]=bndiv.c
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INCLUDE[bndiv]=../include ../../../svn-work/Fuzzer
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DEPEND[bndiv]=../libcrypto ../../../svn-work/Fuzzer/libFuzzer
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@ -0,0 +1,26 @@
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/*
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* Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the OpenSSL licenses, (the "License");
|
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* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
* https://www.openssl.org/source/license.html
|
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* or in the file LICENSE in the source distribution.
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*/
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/*
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* Test CMS DER parsing.
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*/
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#include <openssl/bio.h>
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#include <openssl/cms.h>
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#include "fuzzer.h"
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int LLVMFuzzerTestOneInput(const uint8_t *buf, size_t len) {
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BIO *in = BIO_new(BIO_s_mem());
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OPENSSL_assert((size_t)BIO_write(in, buf, len) == len);
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CMS_ContentInfo *i = d2i_CMS_bio(in, NULL);
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CMS_ContentInfo_free(i);
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BIO_free(in);
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return 0;
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}
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@ -0,0 +1,30 @@
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/*
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* Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
|
||||
*
|
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* Licensed under the OpenSSL licenses, (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
* https://www.openssl.org/source/license.html
|
||||
* or in the file LICENSE in the source distribution.
|
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*/
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/*
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* Test configuration parsing.
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*/
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#include <openssl/conf.h>
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#include "fuzzer.h"
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int LLVMFuzzerTestOneInput(const uint8_t *buf, size_t len) {
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CONF *conf = NCONF_new(NULL);
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BIO *in = BIO_new(BIO_s_mem());
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long eline;
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OPENSSL_assert((size_t)BIO_write(in, buf, len) == len);
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NCONF_load_bio(conf, in, &eline);
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//NCONF_dump_fp(conf, stdout);
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NCONF_free(conf);
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BIO_free(in);
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return 0;
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}
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@ -0,0 +1,12 @@
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/*
|
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* Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
|
||||
*
|
||||
* Licensed under the OpenSSL licenses, (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
* https://www.openssl.org/source/license.html
|
||||
* or in the file LICENSE in the source distribution.
|
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*/
|
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|
||||
int LLVMFuzzerTestOneInput(const uint8_t *buf, size_t len);
|
||||
int LLVMFuzzerInitialize(int *argc, char ***argv);
|
||||
@ -0,0 +1,45 @@
|
||||
#!/usr/bin/python
|
||||
|
||||
"""Fuzzing helper, creates and uses corpus/crash directories.
|
||||
|
||||
fuzzer.py <fuzzer> <extra fuzzer arguments>
|
||||
"""
|
||||
|
||||
import os
|
||||
import subprocess
|
||||
import sys
|
||||
|
||||
FUZZER = sys.argv[1]
|
||||
|
||||
THIS_DIR = os.path.abspath(os.path.dirname(__file__))
|
||||
CORPORA_DIR = os.path.abspath(os.path.join(THIS_DIR, "corpora"))
|
||||
|
||||
FUZZER_DIR = os.path.abspath(os.path.join(CORPORA_DIR, FUZZER))
|
||||
if not os.path.isdir(FUZZER_DIR):
|
||||
os.mkdir(FUZZER_DIR)
|
||||
|
||||
corpora = []
|
||||
|
||||
def _create(d):
|
||||
dd = os.path.abspath(os.path.join(CORPORA_DIR, d))
|
||||
if not os.path.isdir(dd):
|
||||
os.mkdir(dd)
|
||||
corpora.append(dd)
|
||||
|
||||
def _add(d):
|
||||
dd = os.path.abspath(os.path.join(CORPORA_DIR, d))
|
||||
if os.path.isdir(dd):
|
||||
corpora.append(dd)
|
||||
|
||||
def main():
|
||||
_create(FUZZER)
|
||||
_create(FUZZER + "-crash")
|
||||
_add(FUZZER + "-seed")
|
||||
|
||||
cmd = ([os.path.abspath(os.path.join(THIS_DIR, FUZZER))] + sys.argv[2:]
|
||||
+ ["-artifact_prefix=" + corpora[1] + "/"] + corpora)
|
||||
print " ".join(cmd)
|
||||
subprocess.call(cmd)
|
||||
|
||||
if __name__ == "__main__":
|
||||
main()
|
||||
@ -0,0 +1,237 @@
|
||||
/*
|
||||
* Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
|
||||
*
|
||||
* Licensed under the OpenSSL licenses, (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
* https://www.openssl.org/source/license.html
|
||||
* or in the file LICENSE in the source distribution.
|
||||
*/
|
||||
|
||||
// Shamelessly copied from BoringSSL and converted to C.
|
||||
|
||||
// Test first part of SSL server handshake.
|
||||
|
||||
|
||||
#include <openssl/rand.h>
|
||||
#include <openssl/ssl.h>
|
||||
#include "fuzzer.h"
|
||||
|
||||
static const uint8_t kCertificateDER[] = {
|
||||
0x30, 0x82, 0x02, 0xff, 0x30, 0x82, 0x01, 0xe7, 0xa0, 0x03, 0x02, 0x01,
|
||||
0x02, 0x02, 0x11, 0x00, 0xb1, 0x84, 0xee, 0x34, 0x99, 0x98, 0x76, 0xfb,
|
||||
0x6f, 0xb2, 0x15, 0xc8, 0x47, 0x79, 0x05, 0x9b, 0x30, 0x0d, 0x06, 0x09,
|
||||
0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x0b, 0x05, 0x00, 0x30,
|
||||
0x12, 0x31, 0x10, 0x30, 0x0e, 0x06, 0x03, 0x55, 0x04, 0x0a, 0x13, 0x07,
|
||||
0x41, 0x63, 0x6d, 0x65, 0x20, 0x43, 0x6f, 0x30, 0x1e, 0x17, 0x0d, 0x31,
|
||||
0x35, 0x31, 0x31, 0x30, 0x37, 0x30, 0x30, 0x32, 0x34, 0x35, 0x36, 0x5a,
|
||||
0x17, 0x0d, 0x31, 0x36, 0x31, 0x31, 0x30, 0x36, 0x30, 0x30, 0x32, 0x34,
|
||||
0x35, 0x36, 0x5a, 0x30, 0x12, 0x31, 0x10, 0x30, 0x0e, 0x06, 0x03, 0x55,
|
||||
0x04, 0x0a, 0x13, 0x07, 0x41, 0x63, 0x6d, 0x65, 0x20, 0x43, 0x6f, 0x30,
|
||||
0x82, 0x01, 0x22, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7,
|
||||
0x0d, 0x01, 0x01, 0x01, 0x05, 0x00, 0x03, 0x82, 0x01, 0x0f, 0x00, 0x30,
|
||||
0x82, 0x01, 0x0a, 0x02, 0x82, 0x01, 0x01, 0x00, 0xce, 0x47, 0xcb, 0x11,
|
||||
0xbb, 0xd2, 0x9d, 0x8e, 0x9e, 0xd2, 0x1e, 0x14, 0xaf, 0xc7, 0xea, 0xb6,
|
||||
0xc9, 0x38, 0x2a, 0x6f, 0xb3, 0x7e, 0xfb, 0xbc, 0xfc, 0x59, 0x42, 0xb9,
|
||||
0x56, 0xf0, 0x4c, 0x3f, 0xf7, 0x31, 0x84, 0xbe, 0xac, 0x03, 0x9e, 0x71,
|
||||
0x91, 0x85, 0xd8, 0x32, 0xbd, 0x00, 0xea, 0xac, 0x65, 0xf6, 0x03, 0xc8,
|
||||
0x0f, 0x8b, 0xfd, 0x6e, 0x58, 0x88, 0x04, 0x41, 0x92, 0x74, 0xa6, 0x57,
|
||||
0x2e, 0x8e, 0x88, 0xd5, 0x3d, 0xda, 0x14, 0x3e, 0x63, 0x88, 0x22, 0xe3,
|
||||
0x53, 0xe9, 0xba, 0x39, 0x09, 0xac, 0xfb, 0xd0, 0x4c, 0xf2, 0x3c, 0x20,
|
||||
0xd6, 0x97, 0xe6, 0xed, 0xf1, 0x62, 0x1e, 0xe5, 0xc9, 0x48, 0xa0, 0xca,
|
||||
0x2e, 0x3c, 0x14, 0x5a, 0x82, 0xd4, 0xed, 0xb1, 0xe3, 0x43, 0xc1, 0x2a,
|
||||
0x59, 0xa5, 0xb9, 0xc8, 0x48, 0xa7, 0x39, 0x23, 0x74, 0xa7, 0x37, 0xb0,
|
||||
0x6f, 0xc3, 0x64, 0x99, 0x6c, 0xa2, 0x82, 0xc8, 0xf6, 0xdb, 0x86, 0x40,
|
||||
0xce, 0xd1, 0x85, 0x9f, 0xce, 0x69, 0xf4, 0x15, 0x2a, 0x23, 0xca, 0xea,
|
||||
0xb7, 0x7b, 0xdf, 0xfb, 0x43, 0x5f, 0xff, 0x7a, 0x49, 0x49, 0x0e, 0xe7,
|
||||
0x02, 0x51, 0x45, 0x13, 0xe8, 0x90, 0x64, 0x21, 0x0c, 0x26, 0x2b, 0x5d,
|
||||
0xfc, 0xe4, 0xb5, 0x86, 0x89, 0x43, 0x22, 0x4c, 0xf3, 0x3b, 0xf3, 0x09,
|
||||
0xc4, 0xa4, 0x10, 0x80, 0xf2, 0x46, 0xe2, 0x46, 0x8f, 0x76, 0x50, 0xbf,
|
||||
0xaf, 0x2b, 0x90, 0x1b, 0x78, 0xc7, 0xcf, 0xc1, 0x77, 0xd0, 0xfb, 0xa9,
|
||||
0xfb, 0xc9, 0x66, 0x5a, 0xc5, 0x9b, 0x31, 0x41, 0x67, 0x01, 0xbe, 0x33,
|
||||
0x10, 0xba, 0x05, 0x58, 0xed, 0x76, 0x53, 0xde, 0x5d, 0xc1, 0xe8, 0xbb,
|
||||
0x9f, 0xf1, 0xcd, 0xfb, 0xdf, 0x64, 0x7f, 0xd7, 0x18, 0xab, 0x0f, 0x94,
|
||||
0x28, 0x95, 0x4a, 0xcc, 0x6a, 0xa9, 0x50, 0xc7, 0x05, 0x47, 0x10, 0x41,
|
||||
0x02, 0x03, 0x01, 0x00, 0x01, 0xa3, 0x50, 0x30, 0x4e, 0x30, 0x0e, 0x06,
|
||||
0x03, 0x55, 0x1d, 0x0f, 0x01, 0x01, 0xff, 0x04, 0x04, 0x03, 0x02, 0x05,
|
||||
0xa0, 0x30, 0x13, 0x06, 0x03, 0x55, 0x1d, 0x25, 0x04, 0x0c, 0x30, 0x0a,
|
||||
0x06, 0x08, 0x2b, 0x06, 0x01, 0x05, 0x05, 0x07, 0x03, 0x01, 0x30, 0x0c,
|
||||
0x06, 0x03, 0x55, 0x1d, 0x13, 0x01, 0x01, 0xff, 0x04, 0x02, 0x30, 0x00,
|
||||
0x30, 0x19, 0x06, 0x03, 0x55, 0x1d, 0x11, 0x04, 0x12, 0x30, 0x10, 0x82,
|
||||
0x0e, 0x66, 0x75, 0x7a, 0x7a, 0x2e, 0x62, 0x6f, 0x72, 0x69, 0x6e, 0x67,
|
||||
0x73, 0x73, 0x6c, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7,
|
||||
0x0d, 0x01, 0x01, 0x0b, 0x05, 0x00, 0x03, 0x82, 0x01, 0x01, 0x00, 0x92,
|
||||
0xde, 0xef, 0x96, 0x06, 0x7b, 0xff, 0x71, 0x7d, 0x4e, 0xa0, 0x7d, 0xae,
|
||||
0xb8, 0x22, 0xb4, 0x2c, 0xf7, 0x96, 0x9c, 0x37, 0x1d, 0x8f, 0xe7, 0xd9,
|
||||
0x47, 0xff, 0x3f, 0xe9, 0x35, 0x95, 0x0e, 0xdd, 0xdc, 0x7f, 0xc8, 0x8a,
|
||||
0x1e, 0x36, 0x1d, 0x38, 0x47, 0xfc, 0x76, 0xd2, 0x1f, 0x98, 0xa1, 0x36,
|
||||
0xac, 0xc8, 0x70, 0x38, 0x0a, 0x3d, 0x51, 0x8d, 0x0f, 0x03, 0x1b, 0xef,
|
||||
0x62, 0xa1, 0xcb, 0x2b, 0x4a, 0x8c, 0x12, 0x2b, 0x54, 0x50, 0x9a, 0x6b,
|
||||
0xfe, 0xaf, 0xd9, 0xf6, 0xbf, 0x58, 0x11, 0x58, 0x5e, 0xe5, 0x86, 0x1e,
|
||||
0x3b, 0x6b, 0x30, 0x7e, 0x72, 0x89, 0xe8, 0x6b, 0x7b, 0xb7, 0xaf, 0xef,
|
||||
0x8b, 0xa9, 0x3e, 0xb0, 0xcd, 0x0b, 0xef, 0xb0, 0x0c, 0x96, 0x2b, 0xc5,
|
||||
0x3b, 0xd5, 0xf1, 0xc2, 0xae, 0x3a, 0x60, 0xd9, 0x0f, 0x75, 0x37, 0x55,
|
||||
0x4d, 0x62, 0xd2, 0xed, 0x96, 0xac, 0x30, 0x6b, 0xda, 0xa1, 0x48, 0x17,
|
||||
0x96, 0x23, 0x85, 0x9a, 0x57, 0x77, 0xe9, 0x22, 0xa2, 0x37, 0x03, 0xba,
|
||||
0x49, 0x77, 0x40, 0x3b, 0x76, 0x4b, 0xda, 0xc1, 0x04, 0x57, 0x55, 0x34,
|
||||
0x22, 0x83, 0x45, 0x29, 0xab, 0x2e, 0x11, 0xff, 0x0d, 0xab, 0x55, 0xb1,
|
||||
0xa7, 0x58, 0x59, 0x05, 0x25, 0xf9, 0x1e, 0x3d, 0xb7, 0xac, 0x04, 0x39,
|
||||
0x2c, 0xf9, 0xaf, 0xb8, 0x68, 0xfb, 0x8e, 0x35, 0x71, 0x32, 0xff, 0x70,
|
||||
0xe9, 0x46, 0x6d, 0x5c, 0x06, 0x90, 0x88, 0x23, 0x48, 0x0c, 0x50, 0xeb,
|
||||
0x0a, 0xa9, 0xae, 0xe8, 0xfc, 0xbe, 0xa5, 0x76, 0x94, 0xd7, 0x64, 0x22,
|
||||
0x38, 0x98, 0x17, 0xa4, 0x3a, 0xa7, 0x59, 0x9f, 0x1d, 0x3b, 0x75, 0x90,
|
||||
0x1a, 0x81, 0xef, 0x19, 0xfb, 0x2b, 0xb7, 0xa7, 0x64, 0x61, 0x22, 0xa4,
|
||||
0x6f, 0x7b, 0xfa, 0x58, 0xbb, 0x8c, 0x4e, 0x77, 0x67, 0xd0, 0x5d, 0x58,
|
||||
0x76, 0x8a, 0xbb,
|
||||
};
|
||||
|
||||
static const uint8_t kRSAPrivateKeyDER[] = {
|
||||
0x30, 0x82, 0x04, 0xa5, 0x02, 0x01, 0x00, 0x02, 0x82, 0x01, 0x01, 0x00,
|
||||
0xce, 0x47, 0xcb, 0x11, 0xbb, 0xd2, 0x9d, 0x8e, 0x9e, 0xd2, 0x1e, 0x14,
|
||||
0xaf, 0xc7, 0xea, 0xb6, 0xc9, 0x38, 0x2a, 0x6f, 0xb3, 0x7e, 0xfb, 0xbc,
|
||||
0xfc, 0x59, 0x42, 0xb9, 0x56, 0xf0, 0x4c, 0x3f, 0xf7, 0x31, 0x84, 0xbe,
|
||||
0xac, 0x03, 0x9e, 0x71, 0x91, 0x85, 0xd8, 0x32, 0xbd, 0x00, 0xea, 0xac,
|
||||
0x65, 0xf6, 0x03, 0xc8, 0x0f, 0x8b, 0xfd, 0x6e, 0x58, 0x88, 0x04, 0x41,
|
||||
0x92, 0x74, 0xa6, 0x57, 0x2e, 0x8e, 0x88, 0xd5, 0x3d, 0xda, 0x14, 0x3e,
|
||||
0x63, 0x88, 0x22, 0xe3, 0x53, 0xe9, 0xba, 0x39, 0x09, 0xac, 0xfb, 0xd0,
|
||||
0x4c, 0xf2, 0x3c, 0x20, 0xd6, 0x97, 0xe6, 0xed, 0xf1, 0x62, 0x1e, 0xe5,
|
||||
0xc9, 0x48, 0xa0, 0xca, 0x2e, 0x3c, 0x14, 0x5a, 0x82, 0xd4, 0xed, 0xb1,
|
||||
0xe3, 0x43, 0xc1, 0x2a, 0x59, 0xa5, 0xb9, 0xc8, 0x48, 0xa7, 0x39, 0x23,
|
||||
0x74, 0xa7, 0x37, 0xb0, 0x6f, 0xc3, 0x64, 0x99, 0x6c, 0xa2, 0x82, 0xc8,
|
||||
0xf6, 0xdb, 0x86, 0x40, 0xce, 0xd1, 0x85, 0x9f, 0xce, 0x69, 0xf4, 0x15,
|
||||
0x2a, 0x23, 0xca, 0xea, 0xb7, 0x7b, 0xdf, 0xfb, 0x43, 0x5f, 0xff, 0x7a,
|
||||
0x49, 0x49, 0x0e, 0xe7, 0x02, 0x51, 0x45, 0x13, 0xe8, 0x90, 0x64, 0x21,
|
||||
0x0c, 0x26, 0x2b, 0x5d, 0xfc, 0xe4, 0xb5, 0x86, 0x89, 0x43, 0x22, 0x4c,
|
||||
0xf3, 0x3b, 0xf3, 0x09, 0xc4, 0xa4, 0x10, 0x80, 0xf2, 0x46, 0xe2, 0x46,
|
||||
0x8f, 0x76, 0x50, 0xbf, 0xaf, 0x2b, 0x90, 0x1b, 0x78, 0xc7, 0xcf, 0xc1,
|
||||
0x77, 0xd0, 0xfb, 0xa9, 0xfb, 0xc9, 0x66, 0x5a, 0xc5, 0x9b, 0x31, 0x41,
|
||||
0x67, 0x01, 0xbe, 0x33, 0x10, 0xba, 0x05, 0x58, 0xed, 0x76, 0x53, 0xde,
|
||||
0x5d, 0xc1, 0xe8, 0xbb, 0x9f, 0xf1, 0xcd, 0xfb, 0xdf, 0x64, 0x7f, 0xd7,
|
||||
0x18, 0xab, 0x0f, 0x94, 0x28, 0x95, 0x4a, 0xcc, 0x6a, 0xa9, 0x50, 0xc7,
|
||||
0x05, 0x47, 0x10, 0x41, 0x02, 0x03, 0x01, 0x00, 0x01, 0x02, 0x82, 0x01,
|
||||
0x01, 0x00, 0xa8, 0x47, 0xb9, 0x4a, 0x06, 0x47, 0x93, 0x71, 0x3d, 0xef,
|
||||
0x7b, 0xca, 0xb4, 0x7c, 0x0a, 0xe6, 0x82, 0xd0, 0xe7, 0x0d, 0xa9, 0x08,
|
||||
0xf6, 0xa4, 0xfd, 0xd8, 0x73, 0xae, 0x6f, 0x56, 0x29, 0x5e, 0x25, 0x72,
|
||||
0xa8, 0x30, 0x44, 0x73, 0xcf, 0x56, 0x26, 0xb9, 0x61, 0xde, 0x42, 0x81,
|
||||
0xf4, 0xf0, 0x1f, 0x5d, 0xcb, 0x47, 0xf2, 0x26, 0xe9, 0xe0, 0x93, 0x28,
|
||||
0xa3, 0x10, 0x3b, 0x42, 0x1e, 0x51, 0x11, 0x12, 0x06, 0x5e, 0xaf, 0xce,
|
||||
0xb0, 0xa5, 0x14, 0xdd, 0x82, 0x58, 0xa1, 0xa4, 0x12, 0xdf, 0x65, 0x1d,
|
||||
0x51, 0x70, 0x64, 0xd5, 0x58, 0x68, 0x11, 0xa8, 0x6a, 0x23, 0xc2, 0xbf,
|
||||
0xa1, 0x25, 0x24, 0x47, 0xb3, 0xa4, 0x3c, 0x83, 0x96, 0xb7, 0x1f, 0xf4,
|
||||
0x44, 0xd4, 0xd1, 0xe9, 0xfc, 0x33, 0x68, 0x5e, 0xe2, 0x68, 0x99, 0x9c,
|
||||
0x91, 0xe8, 0x72, 0xc9, 0xd7, 0x8c, 0x80, 0x20, 0x8e, 0x77, 0x83, 0x4d,
|
||||
0xe4, 0xab, 0xf9, 0x74, 0xa1, 0xdf, 0xd3, 0xc0, 0x0d, 0x5b, 0x05, 0x51,
|
||||
0xc2, 0x6f, 0xb2, 0x91, 0x02, 0xec, 0xc0, 0x02, 0x1a, 0x5c, 0x91, 0x05,
|
||||
0xf1, 0xe3, 0xfa, 0x65, 0xc2, 0xad, 0x24, 0xe6, 0xe5, 0x3c, 0xb6, 0x16,
|
||||
0xf1, 0xa1, 0x67, 0x1a, 0x9d, 0x37, 0x56, 0xbf, 0x01, 0xd7, 0x3b, 0x35,
|
||||
0x30, 0x57, 0x73, 0xf4, 0xf0, 0x5e, 0xa7, 0xe8, 0x0a, 0xc1, 0x94, 0x17,
|
||||
0xcf, 0x0a, 0xbd, 0xf5, 0x31, 0xa7, 0x2d, 0xf7, 0xf5, 0xd9, 0x8c, 0xc2,
|
||||
0x01, 0xbd, 0xda, 0x16, 0x8e, 0xb9, 0x30, 0x40, 0xa6, 0x6e, 0xbd, 0xcd,
|
||||
0x4d, 0x84, 0x67, 0x4e, 0x0b, 0xce, 0xd5, 0xef, 0xf8, 0x08, 0x63, 0x02,
|
||||
0xc6, 0xc7, 0xf7, 0x67, 0x92, 0xe2, 0x23, 0x9d, 0x27, 0x22, 0x1d, 0xc6,
|
||||
0x67, 0x5e, 0x66, 0xbf, 0x03, 0xb8, 0xa9, 0x67, 0xd4, 0x39, 0xd8, 0x75,
|
||||
0xfa, 0xe8, 0xed, 0x56, 0xb8, 0x81, 0x02, 0x81, 0x81, 0x00, 0xf7, 0x46,
|
||||
0x68, 0xc6, 0x13, 0xf8, 0xba, 0x0f, 0x83, 0xdb, 0x05, 0xa8, 0x25, 0x00,
|
||||
0x70, 0x9c, 0x9e, 0x8b, 0x12, 0x34, 0x0d, 0x96, 0xcf, 0x0d, 0x98, 0x9b,
|
||||
0x8d, 0x9c, 0x96, 0x78, 0xd1, 0x3c, 0x01, 0x8c, 0xb9, 0x35, 0x5c, 0x20,
|
||||
0x42, 0xb4, 0x38, 0xe3, 0xd6, 0x54, 0xe7, 0x55, 0xd6, 0x26, 0x8a, 0x0c,
|
||||
0xf6, 0x1f, 0xe0, 0x04, 0xc1, 0x22, 0x42, 0x19, 0x61, 0xc4, 0x94, 0x7c,
|
||||
0x07, 0x2e, 0x80, 0x52, 0xfe, 0x8d, 0xe6, 0x92, 0x3a, 0x91, 0xfe, 0x72,
|
||||
0x99, 0xe1, 0x2a, 0x73, 0x76, 0xb1, 0x24, 0x20, 0x67, 0xde, 0x28, 0xcb,
|
||||
0x0e, 0xe6, 0x52, 0xb5, 0xfa, 0xfb, 0x8b, 0x1e, 0x6a, 0x1d, 0x09, 0x26,
|
||||
0xb9, 0xa7, 0x61, 0xba, 0xf8, 0x79, 0xd2, 0x66, 0x57, 0x28, 0xd7, 0x31,
|
||||
0xb5, 0x0b, 0x27, 0x19, 0x1e, 0x6f, 0x46, 0xfc, 0x54, 0x95, 0xeb, 0x78,
|
||||
0x01, 0xb6, 0xd9, 0x79, 0x5a, 0x4d, 0x02, 0x81, 0x81, 0x00, 0xd5, 0x8f,
|
||||
0x16, 0x53, 0x2f, 0x57, 0x93, 0xbf, 0x09, 0x75, 0xbf, 0x63, 0x40, 0x3d,
|
||||
0x27, 0xfd, 0x23, 0x21, 0xde, 0x9b, 0xe9, 0x73, 0x3f, 0x49, 0x02, 0xd2,
|
||||
0x38, 0x96, 0xcf, 0xc3, 0xba, 0x92, 0x07, 0x87, 0x52, 0xa9, 0x35, 0xe3,
|
||||
0x0c, 0xe4, 0x2f, 0x05, 0x7b, 0x37, 0xa5, 0x40, 0x9c, 0x3b, 0x94, 0xf7,
|
||||
0xad, 0xa0, 0xee, 0x3a, 0xa8, 0xfb, 0x1f, 0x11, 0x1f, 0xd8, 0x9a, 0x80,
|
||||
0x42, 0x3d, 0x7f, 0xa4, 0xb8, 0x9a, 0xaa, 0xea, 0x72, 0xc1, 0xe3, 0xed,
|
||||
0x06, 0x60, 0x92, 0x37, 0xf9, 0xba, 0xfb, 0x9e, 0xed, 0x05, 0xa6, 0xd4,
|
||||
0x72, 0x68, 0x4f, 0x63, 0xfe, 0xd6, 0x10, 0x0d, 0x4f, 0x0a, 0x93, 0xc6,
|
||||
0xb9, 0xd7, 0xaf, 0xfd, 0xd9, 0x57, 0x7d, 0xcb, 0x75, 0xe8, 0x93, 0x2b,
|
||||
0xae, 0x4f, 0xea, 0xd7, 0x30, 0x0b, 0x58, 0x44, 0x82, 0x0f, 0x84, 0x5d,
|
||||
0x62, 0x11, 0x78, 0xea, 0x5f, 0xc5, 0x02, 0x81, 0x81, 0x00, 0x82, 0x0c,
|
||||
0xc1, 0xe6, 0x0b, 0x72, 0xf1, 0x48, 0x5f, 0xac, 0xbd, 0x98, 0xe5, 0x7d,
|
||||
0x09, 0xbd, 0x15, 0x95, 0x47, 0x09, 0xa1, 0x6c, 0x03, 0x91, 0xbf, 0x05,
|
||||
0x70, 0xc1, 0x3e, 0x52, 0x64, 0x99, 0x0e, 0xa7, 0x98, 0x70, 0xfb, 0xf6,
|
||||
0xeb, 0x9e, 0x25, 0x9d, 0x8e, 0x88, 0x30, 0xf2, 0xf0, 0x22, 0x6c, 0xd0,
|
||||
0xcc, 0x51, 0x8f, 0x5c, 0x70, 0xc7, 0x37, 0xc4, 0x69, 0xab, 0x1d, 0xfc,
|
||||
0xed, 0x3a, 0x03, 0xbb, 0xa2, 0xad, 0xb6, 0xea, 0x89, 0x6b, 0x67, 0x4b,
|
||||
0x96, 0xaa, 0xd9, 0xcc, 0xc8, 0x4b, 0xfa, 0x18, 0x21, 0x08, 0xb2, 0xa3,
|
||||
0xb9, 0x3e, 0x61, 0x99, 0xdc, 0x5a, 0x97, 0x9c, 0x73, 0x6a, 0xb9, 0xf9,
|
||||
0x68, 0x03, 0x24, 0x5f, 0x55, 0x77, 0x9c, 0xb4, 0xbe, 0x7a, 0x78, 0x53,
|
||||
0x68, 0x48, 0x69, 0x53, 0xc8, 0xb1, 0xf5, 0xbf, 0x98, 0x2d, 0x11, 0x1e,
|
||||
0x98, 0xa8, 0x36, 0x50, 0xa0, 0xb1, 0x02, 0x81, 0x81, 0x00, 0x90, 0x88,
|
||||
0x30, 0x71, 0xc7, 0xfe, 0x9b, 0x6d, 0x95, 0x37, 0x6d, 0x79, 0xfc, 0x85,
|
||||
0xe7, 0x44, 0x78, 0xbc, 0x79, 0x6e, 0x47, 0x86, 0xc9, 0xf3, 0xdd, 0xc6,
|
||||
0xec, 0xa9, 0x94, 0x9f, 0x40, 0xeb, 0x87, 0xd0, 0xdb, 0xee, 0xcd, 0x1b,
|
||||
0x87, 0x23, 0xff, 0x76, 0xd4, 0x37, 0x8a, 0xcd, 0xb9, 0x6e, 0xd1, 0x98,
|
||||
0xf6, 0x97, 0x8d, 0xe3, 0x81, 0x6d, 0xc3, 0x4e, 0xd1, 0xa0, 0xc4, 0x9f,
|
||||
0xbd, 0x34, 0xe5, 0xe8, 0x53, 0x4f, 0xca, 0x10, 0xb5, 0xed, 0xe7, 0x16,
|
||||
0x09, 0x54, 0xde, 0x60, 0xa7, 0xd1, 0x16, 0x6e, 0x2e, 0xb7, 0xbe, 0x7a,
|
||||
0xd5, 0x9b, 0x26, 0xef, 0xe4, 0x0e, 0x77, 0xfa, 0xa9, 0xdd, 0xdc, 0xb9,
|
||||
0x88, 0x19, 0x23, 0x70, 0xc7, 0xe1, 0x60, 0xaf, 0x8c, 0x73, 0x04, 0xf7,
|
||||
0x71, 0x17, 0x81, 0x36, 0x75, 0xbb, 0x97, 0xd7, 0x75, 0xb6, 0x8e, 0xbc,
|
||||
0xac, 0x9c, 0x6a, 0x9b, 0x24, 0x89, 0x02, 0x81, 0x80, 0x5a, 0x2b, 0xc7,
|
||||
0x6b, 0x8c, 0x65, 0xdb, 0x04, 0x73, 0xab, 0x25, 0xe1, 0x5b, 0xbc, 0x3c,
|
||||
0xcf, 0x5a, 0x3c, 0x04, 0xae, 0x97, 0x2e, 0xfd, 0xa4, 0x97, 0x1f, 0x05,
|
||||
0x17, 0x27, 0xac, 0x7c, 0x30, 0x85, 0xb4, 0x82, 0x3f, 0x5b, 0xb7, 0x94,
|
||||
0x3b, 0x7f, 0x6c, 0x0c, 0xc7, 0x16, 0xc6, 0xa0, 0xbd, 0x80, 0xb0, 0x81,
|
||||
0xde, 0xa0, 0x23, 0xa6, 0xf6, 0x75, 0x33, 0x51, 0x35, 0xa2, 0x75, 0x55,
|
||||
0x70, 0x4d, 0x42, 0xbb, 0xcf, 0x54, 0xe4, 0xdb, 0x2d, 0x88, 0xa0, 0x7a,
|
||||
0xf2, 0x17, 0xa7, 0xdd, 0x13, 0x44, 0x9f, 0x5f, 0x6b, 0x2c, 0x42, 0x42,
|
||||
0x8b, 0x13, 0x4d, 0xf9, 0x5b, 0xf8, 0x33, 0x42, 0xd9, 0x9e, 0x50, 0x1c,
|
||||
0x7c, 0xbc, 0xfa, 0x62, 0x85, 0x0b, 0xcf, 0x99, 0xda, 0x9e, 0x04, 0x90,
|
||||
0xb2, 0xc6, 0xb2, 0x0a, 0x2a, 0x7c, 0x6d, 0x6a, 0x40, 0xfc, 0xf5, 0x50,
|
||||
0x98, 0x46, 0x89, 0x82, 0x40,
|
||||
};
|
||||
|
||||
static SSL_CTX *ctx;
|
||||
|
||||
static void Init() {
|
||||
ctx = SSL_CTX_new(SSLv23_method());
|
||||
const uint8_t *bufp = kRSAPrivateKeyDER;
|
||||
RSA *privkey = d2i_RSAPrivateKey(NULL, &bufp, sizeof(kRSAPrivateKeyDER));
|
||||
OPENSSL_assert(privkey != NULL);
|
||||
EVP_PKEY *pkey = EVP_PKEY_new();
|
||||
EVP_PKEY_assign_RSA(pkey, privkey);
|
||||
int ret = SSL_CTX_use_PrivateKey(ctx, pkey);
|
||||
OPENSSL_assert(ret == 1);
|
||||
EVP_PKEY_free(pkey);
|
||||
bufp = kCertificateDER;
|
||||
X509 *cert = d2i_X509(NULL, &bufp, sizeof(kCertificateDER));
|
||||
OPENSSL_assert(cert != NULL);
|
||||
ret = SSL_CTX_use_certificate(ctx, cert);
|
||||
OPENSSL_assert(ret == 1);
|
||||
X509_free(cert);
|
||||
}
|
||||
|
||||
int LLVMFuzzerTestOneInput(const uint8_t *buf, size_t len) {
|
||||
if (ctx == NULL)
|
||||
Init();
|
||||
// TODO: make this work for OpenSSL. There's a PREDICT define that may do
|
||||
// the job.
|
||||
// TODO: use the ossltest engine (optionally?) to disable crypto checks.
|
||||
//RAND_reset_for_fuzzing();
|
||||
|
||||
// This only fuzzes the initial flow from the client so far.
|
||||
SSL *server = SSL_new(ctx);
|
||||
BIO *in = BIO_new(BIO_s_mem());
|
||||
BIO *out = BIO_new(BIO_s_mem());
|
||||
SSL_set_bio(server, in, out);
|
||||
SSL_set_accept_state(server);
|
||||
OPENSSL_assert((size_t)BIO_write(in, buf, len) == len);
|
||||
if (SSL_do_handshake(server) == 1) {
|
||||
// Keep reading application data until error or EOF.
|
||||
uint8_t tmp[1024];
|
||||
for (;;) {
|
||||
if (SSL_read(server, tmp, sizeof(tmp)) <= 0) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
SSL_free(server);
|
||||
return 0;
|
||||
}
|
||||
Loading…
Reference in New Issue