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ASN template: replicate AddAltName change in template code

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This commit is contained in:
Sean Parkinson
2021-10-05 16:29:11 +10:00
parent 0bee624ee5
commit dfbdcf9400
1 changed files with 67 additions and 23 deletions
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90
wolfcrypt/src/asn.c
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@ -10415,9 +10415,26 @@ static int SetDNSEntry(DecodedCert* cert, const char* str, int strLen,
XMEMCPY(dnsEntry->name, str, strLen);
dnsEntry->name[strLen] = '\0';
#if defined(OPENSSL_EXTRA) && !defined(WOLFSSL_ALT_NAMES_NO_REV)
dnsEntry->next = NULL;
if (*entries == NULL) {
/* First on list */
*entries = dnsEntry;
}
else {
DNS_entry* temp = *entries;
/* Find end */
for (; (temp->next != NULL); temp = temp->next);
/* Add to end */
temp->next = dnsEntry;
}
#else
/* Prepend entry to linked list. */
dnsEntry->next = *entries;
*entries = dnsEntry;
#endif
}
return ret;
@ -13556,6 +13573,31 @@ static int ConfirmNameConstraints(Signer* signer, DecodedCert* cert)
#endif /* IGNORE_NAME_CONSTRAINTS */
#ifndef WOLFSSL_ASN_TEMPLATE
static void AddAltName(DecodedCert* cert, DNS_entry* dnsEntry)
{
#if defined(OPENSSL_EXTRA) && !defined(WOLFSSL_ALT_NAMES_NO_REV)
dnsEntry->next = NULL;
if (cert->altNames == NULL) {
/* First on list */
cert->altNames = dnsEntry;
}
else {
DNS_entry* temp = cert->altNames;
/* Find end */
for (; (temp->next != NULL); temp = temp->next);
/* Add to end */
temp->next = dnsEntry;
}
#else
dnsEntry->next = cert->altNames;
cert->altNames = dnsEntry;
#endif
}
#endif
#ifdef WOLFSSL_ASN_TEMPLATE
#ifdef WOLFSSL_SEP
/* ASN.1 template for OtherName of an X.509 certificate.
@ -13802,29 +13844,6 @@ static const ASNItem altNameASN[] = {
#define altNameASN_Length (sizeof(altNameASN) / sizeof(ASNItem))
#endif /* WOLFSSL_ASN_TEMPLATE */
static void AddAltName(DecodedCert* cert, DNS_entry* dnsEntry)
{
#if defined(OPENSSL_EXTRA) && !defined(WOLFSSL_ALT_NAMES_NO_REV)
dnsEntry->next = NULL;
if (cert->altNames == NULL) {
/* First on list */
cert->altNames = dnsEntry;
}
else {
DNS_entry* temp = cert->altNames;
/* Find end */
for (; (temp->next != NULL); temp = temp->next);
/* Add to end */
temp->next = dnsEntry;
}
#else
dnsEntry->next = cert->altNames;
cert->altNames = dnsEntry;
#endif
}
/* Decode subject alternative names extension.
*
* RFC 5280 4.2.1.6. Subject Alternative Name
@ -21226,6 +21245,9 @@ int FlattenAltNames(byte* output, word32 outputSz, const DNS_entry* names)
word32 idx;
const DNS_entry* curName;
word32 namesSz = 0;
#ifdef WOLFSSL_ALT_NAMES_NO_REV
word32 i;
#endif
if (output == NULL)
return BAD_FUNC_ARG;
@ -21245,9 +21267,18 @@ int FlattenAltNames(byte* output, word32 outputSz, const DNS_entry* names)
return BUFFER_E;
idx = SetSequence(namesSz, output);
#ifdef WOLFSSL_ALT_NAMES_NO_REV
namesSz += idx;
i = namesSz;
#endif
curName = names;
do {
#ifdef WOLFSSL_ALT_NAMES_NO_REV
word32 len = SetLength(curName->len, NULL);
idx = i - curName->len - len - 1;
i = idx;
#endif
output[idx] = ASN_CONTEXT_SPECIFIC | curName->type;
if (curName->type == ASN_DIR_TYPE) {
output[idx] |= ASN_CONSTRUCTED;
@ -21255,10 +21286,15 @@ int FlattenAltNames(byte* output, word32 outputSz, const DNS_entry* names)
idx++;
idx += SetLength(curName->len, output + idx);
XMEMCPY(output + idx, curName->name, curName->len);
#ifndef WOLFSSL_ALT_NAMES_NO_REV
idx += curName->len;
#endif
curName = curName->next;
} while (curName != NULL);
#ifdef WOLFSSL_ALT_NAMES_NO_REV
idx = namesSz;
#endif
return idx;
}
@ -26816,6 +26852,7 @@ static int DecodeAsymKeyPublic(const byte* input, word32* inOutIdx, word32 inSz,
int length;
word32 oid;
#else
word32 len;
DECL_ASNGETDATA(dataASN, edPubKeyASN_Length);
#endif
@ -26849,12 +26886,15 @@ static int DecodeAsymKeyPublic(const byte* input, word32* inOutIdx, word32 inSz,
*pubKeyLen = inSz - *inOutIdx;
XMEMCPY(pubKey, input + *inOutIdx, *pubKeyLen);
#else
len = inSz - *inOutIdx;
CALLOC_ASNGETDATA(dataASN, edPubKeyASN_Length, ret, NULL);
if (ret == 0) {
/* Require OID. */
word32 oidSz;
const byte* oid = OidFromId(keyType, oidKeyType, &oidSz);
GetASN_ExpBuffer(&dataASN[2], oid, oidSz);
/* Decode Ed25519 private key. */
ret = GetASN_Items(edPubKeyASN, dataASN, edPubKeyASN_Length, 1, input,
@ -26867,6 +26907,10 @@ static int DecodeAsymKeyPublic(const byte* input, word32* inOutIdx, word32 inSz,
if ((ret == 0) && (dataASN[3].data.ref.length > *pubKeyLen)) {
ret = ASN_PARSE_E;
}
/* Check that the all the buffer was used. */
if ((ret == 0) && (GetASNItem_Length(dataASN[0], input) != len)) {
ret = ASN_PARSE_E;
}
if (ret == 0) {
*pubKeyLen = dataASN[3].data.ref.length;
XMEMCPY(pubKey, dataASN[3].data.ref.data, *pubKeyLen);