X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=fuzz%2Fasn1.c;h=8fe8583815d30a0aeb07d5add60482f91f7b7c2a;hb=154ea425e647de4a497aa28c91d279aa93b3bf60;hp=d3f0bb36b399152d299868961bcb7b15269a2042;hpb=620c6ad3125d7631f08c37033d1cb4302aef819a;p=oweals%2Fopenssl.git

diff --git a/fuzz/asn1.c b/fuzz/asn1.c
index d3f0bb36b3..8fe8583815 100644
--- a/fuzz/asn1.c
+++ b/fuzz/asn1.c
@@ -1,7 +1,7 @@
 /*
- * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2016-2020 The OpenSSL Project Authors. All Rights Reserved.
  *
- * Licensed under the OpenSSL licenses, (the "License");
+ * Licensed under the Apache License 2.0 (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
@@ -15,18 +15,33 @@
  * asn1 <data structure>
  */
 
+/* We need to use some deprecated APIs */
+#define OPENSSL_SUPPRESS_DEPRECATED
+
 #include <stdio.h>
 #include <string.h>
 #include <openssl/asn1.h>
 #include <openssl/asn1t.h>
+#include <openssl/dh.h>
+#include <openssl/dsa.h>
 #include <openssl/ec.h>
 #include <openssl/ocsp.h>
 #include <openssl/pkcs12.h>
+#include <openssl/rsa.h>
 #include <openssl/ts.h>
 #include <openssl/x509v3.h>
 #include <openssl/cms.h>
+#include <openssl/ess.h>
+#include <openssl/err.h>
+#include <openssl/rand.h>
+#include <openssl/bio.h>
+#include <openssl/evp.h>
+#include <openssl/ssl.h>
+#include <internal/nelem.h>
 #include "fuzzer.h"
 
+#include "rand.inc"
+
 static ASN1_ITEM_EXP *item_type[] = {
     ASN1_ITEM_ref(ACCESS_DESCRIPTION),
 #ifndef OPENSSL_NO_RFC3779
@@ -97,7 +112,9 @@ static ASN1_ITEM_EXP *item_type[] = {
     ASN1_ITEM_ref(IPAddressRange),
 #endif
     ASN1_ITEM_ref(ISSUING_DIST_POINT),
+#ifndef OPENSSL_NO_DEPRECATED_3_0
     ASN1_ITEM_ref(LONG),
+#endif
     ASN1_ITEM_ref(NAME_CONSTRAINTS),
     ASN1_ITEM_ref(NETSCAPE_CERT_SEQUENCE),
     ASN1_ITEM_ref(NETSCAPE_SPKAC),
@@ -157,7 +174,6 @@ static ASN1_ITEM_EXP *item_type[] = {
     ASN1_ITEM_ref(RSAPublicKey),
     ASN1_ITEM_ref(SXNET),
     ASN1_ITEM_ref(SXNETID),
-    /*ASN1_ITEM_ref(TS_RESP),  want to do this, but type is hidden, however d2i exists... */
     ASN1_ITEM_ref(USERNOTICE),
     ASN1_ITEM_ref(X509),
     ASN1_ITEM_ref(X509_ALGOR),
@@ -177,25 +193,112 @@ static ASN1_ITEM_EXP *item_type[] = {
     ASN1_ITEM_ref(X509_REVOKED),
     ASN1_ITEM_ref(X509_SIG),
     ASN1_ITEM_ref(X509_VAL),
+#ifndef OPENSSL_NO_DEPRECATED_3_0
     ASN1_ITEM_ref(ZLONG),
+#endif
+    ASN1_ITEM_ref(INT32),
+    ASN1_ITEM_ref(ZINT32),
+    ASN1_ITEM_ref(UINT32),
+    ASN1_ITEM_ref(ZUINT32),
+    ASN1_ITEM_ref(INT64),
+    ASN1_ITEM_ref(ZINT64),
+    ASN1_ITEM_ref(UINT64),
+    ASN1_ITEM_ref(ZUINT64),
     NULL
 };
 
-int FuzzerInitialize(int *argc, char ***argv) {
-    return 1;
+static ASN1_PCTX *pctx;
+
+#define DO_TEST(TYPE, D2I, I2D, PRINT) { \
+    const unsigned char *p = buf; \
+    unsigned char *der = NULL; \
+    TYPE *type = D2I(NULL, &p, len); \
+    \
+    if (type != NULL) { \
+        int len2; \
+        BIO *bio = BIO_new(BIO_s_null()); \
+        \
+        PRINT(bio, type); \
+        BIO_free(bio); \
+        len2 = I2D(type, &der); \
+        if (len2 != 0) {} \
+        OPENSSL_free(der); \
+        TYPE ## _free(type); \
+    } \
 }
 
-int FuzzerTestOneInput(const uint8_t *buf, size_t len) {
-    int n;
+#define DO_TEST_PRINT_OFFSET(TYPE, D2I, I2D, PRINT) { \
+    const unsigned char *p = buf; \
+    unsigned char *der = NULL; \
+    TYPE *type = D2I(NULL, &p, len); \
+    \
+    if (type != NULL) { \
+        BIO *bio = BIO_new(BIO_s_null()); \
+        \
+        PRINT(bio, type, 0); \
+        BIO_free(bio); \
+        I2D(type, &der); \
+        OPENSSL_free(der); \
+        TYPE ## _free(type); \
+    } \
+}
 
-    ASN1_PCTX *pctx = ASN1_PCTX_new();
+#define DO_TEST_PRINT_PCTX(TYPE, D2I, I2D, PRINT) { \
+    const unsigned char *p = buf; \
+    unsigned char *der = NULL; \
+    TYPE *type = D2I(NULL, &p, len); \
+    \
+    if (type != NULL) { \
+        BIO *bio = BIO_new(BIO_s_null()); \
+        \
+        PRINT(bio, type, 0, pctx); \
+        BIO_free(bio); \
+        I2D(type, &der); \
+        OPENSSL_free(der); \
+        TYPE ## _free(type); \
+    } \
+}
 
+
+#define DO_TEST_NO_PRINT(TYPE, D2I, I2D) { \
+    const unsigned char *p = buf; \
+    unsigned char *der = NULL; \
+    TYPE *type = D2I(NULL, &p, len); \
+    \
+    if (type != NULL) { \
+        BIO *bio = BIO_new(BIO_s_null()); \
+        \
+        BIO_free(bio); \
+        I2D(type, &der); \
+        OPENSSL_free(der); \
+        TYPE ## _free(type); \
+    } \
+}
+
+
+int FuzzerInitialize(int *argc, char ***argv)
+{
+    pctx = ASN1_PCTX_new();
     ASN1_PCTX_set_flags(pctx, ASN1_PCTX_FLAGS_SHOW_ABSENT |
         ASN1_PCTX_FLAGS_SHOW_SEQUENCE | ASN1_PCTX_FLAGS_SHOW_SSOF |
         ASN1_PCTX_FLAGS_SHOW_TYPE | ASN1_PCTX_FLAGS_SHOW_FIELD_STRUCT_NAME);
     ASN1_PCTX_set_str_flags(pctx, ASN1_STRFLGS_UTF8_CONVERT |
         ASN1_STRFLGS_SHOW_TYPE | ASN1_STRFLGS_DUMP_ALL);
 
+    OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL);
+    OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS, NULL);
+    ERR_clear_error();
+    CRYPTO_free_ex_index(0, -1);
+    FuzzerSetRand();
+
+    return 1;
+}
+
+int FuzzerTestOneInput(const uint8_t *buf, size_t len)
+{
+    int n;
+
+
     for (n = 0; item_type[n] != NULL; ++n) {
         const uint8_t *b = buf;
         unsigned char *der = NULL;
@@ -204,17 +307,56 @@ int FuzzerTestOneInput(const uint8_t *buf, size_t len) {
 
         if (o != NULL) {
             BIO *bio = BIO_new(BIO_s_null());
+
             ASN1_item_print(bio, o, 4, i, pctx);
             BIO_free(bio);
-
             ASN1_item_i2d(o, &der, i);
             OPENSSL_free(der);
-
             ASN1_item_free(o, i);
         }
     }
 
-    ASN1_PCTX_free(pctx);
+#ifndef OPENSSL_NO_TS
+    DO_TEST(TS_REQ, d2i_TS_REQ, i2d_TS_REQ, TS_REQ_print_bio);
+    DO_TEST(TS_MSG_IMPRINT, d2i_TS_MSG_IMPRINT, i2d_TS_MSG_IMPRINT, TS_MSG_IMPRINT_print_bio);
+    DO_TEST(TS_RESP, d2i_TS_RESP, i2d_TS_RESP, TS_RESP_print_bio);
+    DO_TEST(TS_STATUS_INFO, d2i_TS_STATUS_INFO, i2d_TS_STATUS_INFO, TS_STATUS_INFO_print_bio);
+    DO_TEST(TS_TST_INFO, d2i_TS_TST_INFO, i2d_TS_TST_INFO, TS_TST_INFO_print_bio);
+    DO_TEST_NO_PRINT(TS_ACCURACY, d2i_TS_ACCURACY, i2d_TS_ACCURACY);
+#endif
+    DO_TEST_NO_PRINT(ESS_ISSUER_SERIAL, d2i_ESS_ISSUER_SERIAL, i2d_ESS_ISSUER_SERIAL);
+    DO_TEST_NO_PRINT(ESS_CERT_ID, d2i_ESS_CERT_ID, i2d_ESS_CERT_ID);
+    DO_TEST_NO_PRINT(ESS_SIGNING_CERT, d2i_ESS_SIGNING_CERT, i2d_ESS_SIGNING_CERT);
+    DO_TEST_NO_PRINT(ESS_CERT_ID_V2, d2i_ESS_CERT_ID_V2, i2d_ESS_CERT_ID_V2);
+    DO_TEST_NO_PRINT(ESS_SIGNING_CERT_V2, d2i_ESS_SIGNING_CERT_V2, i2d_ESS_SIGNING_CERT_V2);
+#ifndef OPENSSL_NO_DH
+    DO_TEST_NO_PRINT(DH, d2i_DHparams, i2d_DHparams);
+    DO_TEST_NO_PRINT(DH, d2i_DHxparams, i2d_DHxparams);
+#endif
+#ifndef OPENSSL_NO_DSA
+    DO_TEST_NO_PRINT(DSA_SIG, d2i_DSA_SIG, i2d_DSA_SIG);
+    DO_TEST_NO_PRINT(DSA, d2i_DSAPrivateKey, i2d_DSAPrivateKey);
+    DO_TEST_NO_PRINT(DSA, d2i_DSAPublicKey, i2d_DSAPublicKey);
+    DO_TEST_NO_PRINT(DSA, d2i_DSAparams, i2d_DSAparams);
+#endif
+    DO_TEST_NO_PRINT(RSA, d2i_RSAPublicKey, i2d_RSAPublicKey);
+#ifndef OPENSSL_NO_EC
+    DO_TEST_PRINT_OFFSET(EC_GROUP, d2i_ECPKParameters, i2d_ECPKParameters, ECPKParameters_print);
+    DO_TEST_PRINT_OFFSET(EC_KEY, d2i_ECPrivateKey, i2d_ECPrivateKey, EC_KEY_print);
+    DO_TEST(EC_KEY, d2i_ECParameters, i2d_ECParameters, ECParameters_print);
+# ifndef OPENSSL_NO_DEPRECATED_3_0
+    DO_TEST_NO_PRINT(ECDSA_SIG, d2i_ECDSA_SIG, i2d_ECDSA_SIG);
+# endif
+#endif
+    DO_TEST_PRINT_PCTX(EVP_PKEY, d2i_AutoPrivateKey, i2d_PrivateKey, EVP_PKEY_print_private);
+    DO_TEST(SSL_SESSION, d2i_SSL_SESSION, i2d_SSL_SESSION, SSL_SESSION_print);
+
+    ERR_clear_error();
 
     return 0;
 }
+
+void FuzzerCleanup(void)
+{
+    ASN1_PCTX_free(pctx);
+}