mirror of https://github.com/wolfSSL/wolfssl
Cleanup of the ASN X509 header and XSTRNCPY logic.
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@ -7264,40 +7264,42 @@ WOLFSSL_LOCAL int GetSerialNumber(const byte* input, word32* inOutIdx,
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}
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/* Max X509 header length indicates the max length + 2 ('\n', '\0') */
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#define MAX_X509_HEADER_SZ (37 + 2)
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const char* const BEGIN_CERT = "-----BEGIN CERTIFICATE-----";
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const char* const END_CERT = "-----END CERTIFICATE-----";
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const char* const BEGIN_CERT = "-----BEGIN CERTIFICATE-----";
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const char* const END_CERT = "-----END CERTIFICATE-----";
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#ifdef WOLFSSL_CERT_REQ
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const char* const BEGIN_CERT_REQ = "-----BEGIN CERTIFICATE REQUEST-----";
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const char* const END_CERT_REQ = "-----END CERTIFICATE REQUEST-----";
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const char* const BEGIN_CERT_REQ = "-----BEGIN CERTIFICATE REQUEST-----";
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const char* const END_CERT_REQ = "-----END CERTIFICATE REQUEST-----";
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#endif
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#ifndef NO_DH
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const char* const BEGIN_DH_PARAM = "-----BEGIN DH PARAMETERS-----";
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const char* const END_DH_PARAM = "-----END DH PARAMETERS-----";
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const char* const BEGIN_DH_PARAM = "-----BEGIN DH PARAMETERS-----";
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const char* const END_DH_PARAM = "-----END DH PARAMETERS-----";
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#endif
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#ifndef NO_DSA
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const char* const BEGIN_DSA_PARAM = "-----BEGIN DSA PARAMETERS-----";
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const char* const END_DSA_PARAM = "-----END DSA PARAMETERS-----";
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const char* const BEGIN_DSA_PARAM = "-----BEGIN DSA PARAMETERS-----";
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const char* const END_DSA_PARAM = "-----END DSA PARAMETERS-----";
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#endif
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const char* const BEGIN_X509_CRL = "-----BEGIN X509 CRL-----";
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const char* const END_X509_CRL = "-----END X509 CRL-----";
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const char* const BEGIN_RSA_PRIV = "-----BEGIN RSA PRIVATE KEY-----";
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const char* const END_RSA_PRIV = "-----END RSA PRIVATE KEY-----";
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const char* const BEGIN_PRIV_KEY = "-----BEGIN PRIVATE KEY-----";
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const char* const END_PRIV_KEY = "-----END PRIVATE KEY-----";
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const char* const BEGIN_ENC_PRIV_KEY = "-----BEGIN ENCRYPTED PRIVATE KEY-----";
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const char* const END_ENC_PRIV_KEY = "-----END ENCRYPTED PRIVATE KEY-----";
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const char* const BEGIN_X509_CRL = "-----BEGIN X509 CRL-----";
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const char* const END_X509_CRL = "-----END X509 CRL-----";
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const char* const BEGIN_RSA_PRIV = "-----BEGIN RSA PRIVATE KEY-----";
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const char* const END_RSA_PRIV = "-----END RSA PRIVATE KEY-----";
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const char* const BEGIN_PRIV_KEY = "-----BEGIN PRIVATE KEY-----";
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const char* const END_PRIV_KEY = "-----END PRIVATE KEY-----";
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const char* const BEGIN_ENC_PRIV_KEY = "-----BEGIN ENCRYPTED PRIVATE KEY-----";
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const char* const END_ENC_PRIV_KEY = "-----END ENCRYPTED PRIVATE KEY-----";
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#ifdef HAVE_ECC
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const char* const BEGIN_EC_PRIV = "-----BEGIN EC PRIVATE KEY-----";
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const char* const END_EC_PRIV = "-----END EC PRIVATE KEY-----";
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const char* const BEGIN_EC_PRIV = "-----BEGIN EC PRIVATE KEY-----";
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const char* const END_EC_PRIV = "-----END EC PRIVATE KEY-----";
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#endif
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const char* const BEGIN_DSA_PRIV = "-----BEGIN DSA PRIVATE KEY-----";
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const char* const END_DSA_PRIV = "-----END DSA PRIVATE KEY-----";
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const char* const BEGIN_PUB_KEY = "-----BEGIN PUBLIC KEY-----";
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const char* const END_PUB_KEY = "-----END PUBLIC KEY-----";
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const char* const BEGIN_DSA_PRIV = "-----BEGIN DSA PRIVATE KEY-----";
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const char* const END_DSA_PRIV = "-----END DSA PRIVATE KEY-----";
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const char* const BEGIN_PUB_KEY = "-----BEGIN PUBLIC KEY-----";
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const char* const END_PUB_KEY = "-----END PUBLIC KEY-----";
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#ifdef HAVE_ED25519
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const char* const BEGIN_EDDSA_PRIV = "-----BEGIN EDDSA PRIVATE KEY-----";
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const char* const END_EDDSA_PRIV = "-----END EDDSA PRIVATE KEY-----";
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const char* const BEGIN_EDDSA_PRIV = "-----BEGIN EDDSA PRIVATE KEY-----";
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const char* const END_EDDSA_PRIV = "-----END EDDSA PRIVATE KEY-----";
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#endif
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#if defined(WOLFSSL_KEY_GEN) || defined(WOLFSSL_CERT_GEN) || defined(OPENSSL_EXTRA)
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@ -7314,16 +7316,15 @@ int wc_DerToPem(const byte* der, word32 derSz,
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int wc_DerToPemEx(const byte* der, word32 derSz, byte* output, word32 outSz,
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byte *cipher_info, int type)
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{
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int headerLen = MAX_X509_HEADER_SZ + HEADER_ENCRYPTED_KEY_SIZE;
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int footerLen = MAX_X509_HEADER_SZ;
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#ifdef WOLFSSL_SMALL_STACK
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char* header = NULL;
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char* footer = NULL;
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#else
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char header[40 + HEADER_ENCRYPTED_KEY_SIZE];
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char footer[40];
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char header[headerLen];
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char footer[footerLen];
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#endif
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int headerLen = 40 + HEADER_ENCRYPTED_KEY_SIZE;
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int footerLen = 40;
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int i;
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int err;
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int outLen; /* return length or error */
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@ -7344,10 +7345,8 @@ int wc_DerToPemEx(const byte* der, word32 derSz, byte* output, word32 outSz,
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#endif
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/* null term and leave room for \n */
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header[headerLen-1] = '\0';
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footer[footerLen-1] = '\0';
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headerLen -= 2;
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footerLen -= 2;
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header[--headerLen] = '\0';
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footer[--footerLen] = '\0';
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if (type == CERT_TYPE) {
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XSTRNCPY(header, BEGIN_CERT, headerLen);
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