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ASN.1 template: store issuer common name

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Under certain configurations the certificate issuer's common name is
kept in a DecodedCert. Wasn't implemented in ASN.1 template code.
This commit is contained in:
Sean Parkinson
2024-03-14 08:41:30 +10:00
parent 924c0fd911
commit 84c42f4a4e
1 changed files with 164 additions and 0 deletions
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164
wolfcrypt/src/asn.c
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@ -12661,6 +12661,17 @@ static int GetHashId(const byte* id, int length, byte* hash, int hashAlg)
(((id) - 3) >= 0 && ((id) - 3) < certNameSubjectSz && \
(certNameSubject[(id) - 3].strLen > 0))
/* Set the string for a name component into the issuer name. */
#define SetCertNameIssuer(cert, id, val) \
*((char**)(((byte *)(cert)) + certNameSubject[(id) - 3].dataI)) = (val)
/* Set the string length for a name component into the issuer name. */
#define SetCertNameIssuerLen(cert, id, val) \
*((int*)(((byte *)(cert)) + certNameSubject[(id) - 3].lenI)) = (int)(val)
/* Set the encoding for a name component into the issuer name. */
#define SetCertNameIssuerEnc(cert, id, val) \
*((byte*)(((byte *)(cert)) + certNameSubject[(id) - 3].encI)) = (val)
/* Mapping of certificate name component to useful information. */
typedef struct CertNameData {
/* Type string of name component. */
@ -12674,6 +12685,14 @@ typedef struct CertNameData {
size_t len;
/* Offset of encoding in subject name component. */
size_t enc;
#ifdef WOLFSSL_HAVE_ISSUER_NAMES
/* Offset of data in subject name component. */
size_t dataI;
/* Offset of length in subject name component. */
size_t lenI;
/* Offset of encoding in subject name component. */
size_t encI;
#endif
#endif
#ifdef WOLFSSL_X509_NAME_AVAILABLE
/* NID of type for subject name component. */
@ -12690,6 +12709,11 @@ static const CertNameData certNameSubject[] = {
OFFSETOF(DecodedCert, subjectCN),
OFFSETOF(DecodedCert, subjectCNLen),
OFFSETOF(DecodedCert, subjectCNEnc),
#ifdef WOLFSSL_HAVE_ISSUER_NAMES
OFFSETOF(DecodedCert, issuerCN),
OFFSETOF(DecodedCert, issuerCNLen),
OFFSETOF(DecodedCert, issuerCNEnc),
#endif
#endif
#ifdef WOLFSSL_X509_NAME_AVAILABLE
NID_commonName
@ -12702,6 +12726,11 @@ static const CertNameData certNameSubject[] = {
OFFSETOF(DecodedCert, subjectSN),
OFFSETOF(DecodedCert, subjectSNLen),
OFFSETOF(DecodedCert, subjectSNEnc),
#ifdef WOLFSSL_HAVE_ISSUER_NAMES
OFFSETOF(DecodedCert, issuerSN),
OFFSETOF(DecodedCert, issuerSNLen),
OFFSETOF(DecodedCert, issuerSNEnc),
#endif
#endif
#ifdef WOLFSSL_X509_NAME_AVAILABLE
NID_surname
@ -12714,6 +12743,11 @@ static const CertNameData certNameSubject[] = {
OFFSETOF(DecodedCert, subjectSND),
OFFSETOF(DecodedCert, subjectSNDLen),
OFFSETOF(DecodedCert, subjectSNDEnc),
#ifdef WOLFSSL_HAVE_ISSUER_NAMES
OFFSETOF(DecodedCert, issuerSND),
OFFSETOF(DecodedCert, issuerSNDLen),
OFFSETOF(DecodedCert, issuerSNDEnc),
#endif
#endif
#ifdef WOLFSSL_X509_NAME_AVAILABLE
NID_serialNumber
@ -12726,6 +12760,11 @@ static const CertNameData certNameSubject[] = {
OFFSETOF(DecodedCert, subjectC),
OFFSETOF(DecodedCert, subjectCLen),
OFFSETOF(DecodedCert, subjectCEnc),
#ifdef WOLFSSL_HAVE_ISSUER_NAMES
OFFSETOF(DecodedCert, issuerC),
OFFSETOF(DecodedCert, issuerCLen),
OFFSETOF(DecodedCert, issuerCEnc),
#endif
#endif
#ifdef WOLFSSL_X509_NAME_AVAILABLE
NID_countryName
@ -12738,6 +12777,11 @@ static const CertNameData certNameSubject[] = {
OFFSETOF(DecodedCert, subjectL),
OFFSETOF(DecodedCert, subjectLLen),
OFFSETOF(DecodedCert, subjectLEnc),
#ifdef WOLFSSL_HAVE_ISSUER_NAMES
OFFSETOF(DecodedCert, issuerL),
OFFSETOF(DecodedCert, issuerLLen),
OFFSETOF(DecodedCert, issuerLEnc),
#endif
#endif
#ifdef WOLFSSL_X509_NAME_AVAILABLE
NID_localityName
@ -12750,6 +12794,11 @@ static const CertNameData certNameSubject[] = {
OFFSETOF(DecodedCert, subjectST),
OFFSETOF(DecodedCert, subjectSTLen),
OFFSETOF(DecodedCert, subjectSTEnc),
#ifdef WOLFSSL_HAVE_ISSUER_NAMES
OFFSETOF(DecodedCert, issuerST),
OFFSETOF(DecodedCert, issuerSTLen),
OFFSETOF(DecodedCert, issuerSTEnc),
#endif
#endif
#ifdef WOLFSSL_X509_NAME_AVAILABLE
NID_stateOrProvinceName
@ -12762,6 +12811,11 @@ static const CertNameData certNameSubject[] = {
OFFSETOF(DecodedCert, subjectStreet),
OFFSETOF(DecodedCert, subjectStreetLen),
OFFSETOF(DecodedCert, subjectStreetEnc),
#ifdef WOLFSSL_HAVE_ISSUER_NAMES
0,
0,
0,
#endif
#endif
#ifdef WOLFSSL_X509_NAME_AVAILABLE
NID_streetAddress
@ -12774,6 +12828,11 @@ static const CertNameData certNameSubject[] = {
OFFSETOF(DecodedCert, subjectO),
OFFSETOF(DecodedCert, subjectOLen),
OFFSETOF(DecodedCert, subjectOEnc),
#ifdef WOLFSSL_HAVE_ISSUER_NAMES
OFFSETOF(DecodedCert, issuerO),
OFFSETOF(DecodedCert, issuerOLen),
OFFSETOF(DecodedCert, issuerOEnc),
#endif
#endif
#ifdef WOLFSSL_X509_NAME_AVAILABLE
NID_organizationName
@ -12786,6 +12845,11 @@ static const CertNameData certNameSubject[] = {
OFFSETOF(DecodedCert, subjectOU),
OFFSETOF(DecodedCert, subjectOULen),
OFFSETOF(DecodedCert, subjectOUEnc),
#ifdef WOLFSSL_HAVE_ISSUER_NAMES
OFFSETOF(DecodedCert, issuerOU),
OFFSETOF(DecodedCert, issuerOULen),
OFFSETOF(DecodedCert, issuerOUEnc),
#endif
#endif
#ifdef WOLFSSL_X509_NAME_AVAILABLE
NID_organizationalUnitName
@ -12798,6 +12862,11 @@ static const CertNameData certNameSubject[] = {
0,
0,
0,
#ifdef WOLFSSL_HAVE_ISSUER_NAMES
0,
0,
0,
#endif
#endif
#ifdef WOLFSSL_X509_NAME_AVAILABLE
0,
@ -12810,6 +12879,11 @@ static const CertNameData certNameSubject[] = {
0,
0,
0,
#ifdef WOLFSSL_HAVE_ISSUER_NAMES
0,
0,
0,
#endif
#endif
#ifdef WOLFSSL_X509_NAME_AVAILABLE
0,
@ -12822,6 +12896,11 @@ static const CertNameData certNameSubject[] = {
0,
0,
0,
#ifdef WOLFSSL_HAVE_ISSUER_NAMES
0,
0,
0,
#endif
#endif
#ifdef WOLFSSL_X509_NAME_AVAILABLE
0,
@ -12834,6 +12913,11 @@ static const CertNameData certNameSubject[] = {
OFFSETOF(DecodedCert, subjectBC),
OFFSETOF(DecodedCert, subjectBCLen),
OFFSETOF(DecodedCert, subjectBCEnc),
#ifdef WOLFSSL_HAVE_ISSUER_NAMES
0,
0,
0,
#endif
#endif
#ifdef WOLFSSL_X509_NAME_AVAILABLE
NID_businessCategory
@ -12846,6 +12930,11 @@ static const CertNameData certNameSubject[] = {
0,
0,
0,
#ifdef WOLFSSL_HAVE_ISSUER_NAMES
0,
0,
0,
#endif
#endif
#ifdef WOLFSSL_X509_NAME_AVAILABLE
0,
@ -12858,6 +12947,11 @@ static const CertNameData certNameSubject[] = {
OFFSETOF(DecodedCert, subjectPC),
OFFSETOF(DecodedCert, subjectPCLen),
OFFSETOF(DecodedCert, subjectPCEnc),
#ifdef WOLFSSL_HAVE_ISSUER_NAMES
0,
0,
0,
#endif
#endif
#ifdef WOLFSSL_X509_NAME_AVAILABLE
NID_postalCode
@ -12870,6 +12964,11 @@ static const CertNameData certNameSubject[] = {
OFFSETOF(DecodedCert, subjectUID),
OFFSETOF(DecodedCert, subjectUIDLen),
OFFSETOF(DecodedCert, subjectUIDEnc),
#ifdef WOLFSSL_HAVE_ISSUER_NAMES
0,
0,
0,
#endif
#endif
#ifdef WOLFSSL_X509_NAME_AVAILABLE
NID_userId
@ -12883,6 +12982,11 @@ static const CertNameData certNameSubject[] = {
OFFSETOF(DecodedCert, subjectN),
OFFSETOF(DecodedCert, subjectNLen),
OFFSETOF(DecodedCert, subjectNEnc),
#ifdef WOLFSSL_HAVE_ISSUER_NAMES
0,
0,
0,
#endif
#endif
#ifdef WOLFSSL_X509_NAME_AVAILABLE
NID_name
@ -12895,6 +12999,11 @@ static const CertNameData certNameSubject[] = {
OFFSETOF(DecodedCert, subjectGN),
OFFSETOF(DecodedCert, subjectGNLen),
OFFSETOF(DecodedCert, subjectGNEnc),
#ifdef WOLFSSL_HAVE_ISSUER_NAMES
0,
0,
0,
#endif
#endif
#ifdef WOLFSSL_X509_NAME_AVAILABLE
NID_givenName
@ -12907,6 +13016,11 @@ static const CertNameData certNameSubject[] = {
OFFSETOF(DecodedCert, subjectI),
OFFSETOF(DecodedCert, subjectILen),
OFFSETOF(DecodedCert, subjectIEnc),
#ifdef WOLFSSL_HAVE_ISSUER_NAMES
0,
0,
0,
#endif
#endif
#ifdef WOLFSSL_X509_NAME_AVAILABLE
NID_initials
@ -12919,6 +13033,11 @@ static const CertNameData certNameSubject[] = {
OFFSETOF(DecodedCert, subjectDNQ),
OFFSETOF(DecodedCert, subjectDNQLen),
OFFSETOF(DecodedCert, subjectDNQEnc),
#ifdef WOLFSSL_HAVE_ISSUER_NAMES
0,
0,
0,
#endif
#endif
#ifdef WOLFSSL_X509_NAME_AVAILABLE
NID_dnQualifier
@ -12930,6 +13049,7 @@ static const CertNameData certNameSubject[] = {
static const int certNameSubjectSz =
(int) (sizeof(certNameSubject) / sizeof(CertNameData));
/* ASN.1 template for an RDN.
* X.509: RFC 5280, 4.1.2.4 - RelativeDistinguishedName
*/
@ -13270,6 +13390,43 @@ static int SetSubject(DecodedCert* cert, int id, byte* str, int strLen,
return ret;
}
#if (defined(WOLFSSL_CERT_GEN) || defined(WOLFSSL_CERT_EXT)) && \
defined(WOLFSSL_HAVE_ISSUER_NAMES)
/* Set the details of an issuer name component into a certificate.
*
* @param [in, out] cert Certificate object.
* @param [in] id Id of component.
* @param [in] str String for component.
* @param [in] strLen Length of string.
* @param [in] tag BER tag representing encoding of string.
* @return 0 on success, negative values on failure.
*/
static int SetIssuer(DecodedCert* cert, int id, byte* str, int strLen,
byte tag)
{
int ret = 0;
/* Put string and encoding into certificate. */
if (id == ASN_COMMON_NAME) {
cert->issuerCN = (char *)str;
cert->issuerCNLen = (int)strLen;
cert->issuerCNEnc = (char)tag;
}
else if (id > ASN_COMMON_NAME && id <= ASN_USER_ID) {
/* Use table and offsets to put data into appropriate fields. */
SetCertNameIssuer(cert, id, (char*)str);
SetCertNameIssuerLen(cert, id, strLen);
SetCertNameIssuerEnc(cert, id, tag);
}
else if (id == ASN_EMAIL) {
cert->issuerEmail = (char*)str;
cert->issuerEmailLen = strLen;
}
return ret;
}
#endif
/* Get a RelativeDistinguishedName from the encoding and put in certificate.
*
* @param [in, out] cert Certificate object.
@ -13402,6 +13559,13 @@ static int GetRDN(DecodedCert* cert, char* full, word32* idx, int* nid,
/* Store subject field components. */
ret = SetSubject(cert, id, str, (int)strLen, tag);
}
#if (defined(WOLFSSL_CERT_GEN) || defined(WOLFSSL_CERT_EXT)) && \
defined(WOLFSSL_HAVE_ISSUER_NAMES)
/* Put issuer common name string and encoding into certificate. */
else {
ret = SetIssuer(cert, id, str, (int)strLen, tag);
}
#endif
if (ret == 0) {
/* Check there is space for this in the full name string and
* terminating NUL character. */