Use _NO_INST in some build.info files
[openssl.git] / fuzz / asn1.c
index fc129a8..4d5a726 100644 (file)
 #include <openssl/x509v3.h>
 #include "fuzzer.h"
 
-static const ASN1_ITEM *item_type;
+static ASN1_ITEM_EXP *item_type[] = {
+    ASN1_ITEM_ref(ASN1_SEQUENCE),
+    ASN1_ITEM_ref(AUTHORITY_INFO_ACCESS),
+    ASN1_ITEM_ref(BIGNUM),
+#ifndef OPENSSL_NO_EC
+    ASN1_ITEM_ref(ECPARAMETERS),
+    ASN1_ITEM_ref(ECPKPARAMETERS),
+#endif
+    ASN1_ITEM_ref(GENERAL_NAME),
+    ASN1_ITEM_ref(GENERAL_SUBTREE),
+    ASN1_ITEM_ref(NAME_CONSTRAINTS),
+    ASN1_ITEM_ref(OCSP_BASICRESP),
+    ASN1_ITEM_ref(OCSP_RESPONSE),
+    ASN1_ITEM_ref(PKCS12),
+    ASN1_ITEM_ref(PKCS12_AUTHSAFES),
+    ASN1_ITEM_ref(PKCS12_SAFEBAGS),
+    ASN1_ITEM_ref(PKCS7),
+    ASN1_ITEM_ref(PKCS7_ATTR_SIGN),
+    ASN1_ITEM_ref(PKCS7_ATTR_VERIFY),
+    ASN1_ITEM_ref(PKCS7_DIGEST),
+    ASN1_ITEM_ref(PKCS7_ENC_CONTENT),
+    ASN1_ITEM_ref(PKCS7_ENCRYPT),
+    ASN1_ITEM_ref(PKCS7_ENVELOPE),
+    ASN1_ITEM_ref(PKCS7_RECIP_INFO),
+    ASN1_ITEM_ref(PKCS7_SIGN_ENVELOPE),
+    ASN1_ITEM_ref(PKCS7_SIGNED),
+    ASN1_ITEM_ref(PKCS7_SIGNER_INFO),
+    ASN1_ITEM_ref(POLICY_CONSTRAINTS),
+    ASN1_ITEM_ref(POLICY_MAPPINGS),
+    ASN1_ITEM_ref(SXNET),
+    /*ASN1_ITEM_ref(TS_RESP),  want to do this, but type is hidden, however d2i exists... */
+    ASN1_ITEM_ref(X509),
+    ASN1_ITEM_ref(X509_CRL),
+    NULL
+};
 
-int LLVMFuzzerInitialize(int *argc, char ***argv) {
-    const char *cmd;
-    OPENSSL_assert(*argc > 1);
+int FuzzerInitialize(int *argc, char ***argv) {
+    return 1;
+}
 
-    cmd = (*argv)[1];
-    (*argv)[1] = (*argv)[0];
-    ++*argv;
-    --*argc;
+int FuzzerTestOneInput(const uint8_t *buf, size_t len) {
+    int n;
 
-    // TODO: make this work like d2i_test.c does, once its decided what the
-    // common scheme is!
-#define Y(t)  if (!strcmp(cmd, #t)) item_type = ASN1_ITEM_rptr(t)
-#define X(t)  else Y(t)
+    ASN1_PCTX *pctx = ASN1_PCTX_new();
 
-    Y(ASN1_SEQUENCE);
-    X(AUTHORITY_INFO_ACCESS);
-    X(BIGNUM);
-    X(ECPARAMETERS);
-    X(ECPKPARAMETERS);
-    X(GENERAL_NAME);
-    X(GENERAL_SUBTREE);
-    X(NAME_CONSTRAINTS);
-    X(OCSP_BASICRESP);
-    X(OCSP_RESPONSE);
-    X(PKCS12);
-    X(PKCS12_AUTHSAFES);
-    X(PKCS12_SAFEBAGS);
-    X(PKCS7);
-    X(PKCS7_ATTR_SIGN);
-    X(PKCS7_ATTR_VERIFY);
-    X(PKCS7_DIGEST);
-    X(PKCS7_ENC_CONTENT);
-    X(PKCS7_ENCRYPT);
-    X(PKCS7_ENVELOPE);
-    X(PKCS7_RECIP_INFO);
-    X(PKCS7_SIGN_ENVELOPE);
-    X(PKCS7_SIGNED);
-    X(PKCS7_SIGNER_INFO);
-    X(POLICY_CONSTRAINTS);
-    X(POLICY_MAPPINGS);
-    X(SXNET);
-    //X(TS_RESP);  want to do this, but type is hidden, however d2i exists...
-    X(X509);
-    X(X509_CRL);
-    else
-        OPENSSL_assert(!"Bad type");
+    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);
 
-    return 0;
-}
+    for (n = 0; item_type[n] != NULL; ++n) {
+        const uint8_t *b = buf;
+        unsigned char *der = NULL;
+        const ASN1_ITEM *i = ASN1_ITEM_ptr(item_type[n]);
+        ASN1_VALUE *o = ASN1_item_d2i(NULL, &b, len, i);
+
+        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);
 
-int LLVMFuzzerTestOneInput(const uint8_t *buf, size_t len) {
-    const uint8_t *b = buf;
-    ASN1_VALUE *o = ASN1_item_d2i(NULL, &b, len, item_type);
-    ASN1_item_free(o, item_type);
     return 0;
 }