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WIP: wolfSSL_X509V3_EXT_i2d

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This commit is contained in:
Juliusz Sosinowicz
2020-06-08 15:47:04 +02:00
parent 3621af9996
commit e89015b58a
1 changed files with 147 additions and 9 deletions
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156
src/ssl.c
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@ -9606,7 +9606,7 @@ static WOLFSSL_ASN1_STRING* wolfSSL_d2i_ASN1_STRING(WOLFSSL_ASN1_STRING **out,
WOLFSSL_ASN1_STRING* ret = NULL;
WOLFSSL_ASN1_STRING* tmp = NULL;
WOLFSSL_ENTER("wolfSSL_d2i_ASN1_STRING";)
WOLFSSL_ENTER("wolfSSL_d2i_ASN1_STRING");
if (!in || !*in || inSz <= 0) {
WOLFSSL_MSG("Bad parameters")
@ -9637,6 +9637,7 @@ static WOLFSSL_ASN1_STRING* wolfSSL_d2i_ASN1_STRING(WOLFSSL_ASN1_STRING **out,
static int wolfSSL_i2d_ASN1_STRING(WOLFSSL_ASN1_STRING *s, unsigned char **out)
{
WOLFSSL_ENTER("wolfSSL_i2d_ASN1_STRING");
if (!s)
return WOLFSSL_FAILURE;
@ -9650,6 +9651,47 @@ static int wolfSSL_i2d_ASN1_STRING(WOLFSSL_ASN1_STRING *s, unsigned char **out)
return s->length;
}
static int wolfSSL_ASN1_STRING_concat(WOLFSSL_ASN1_STRING *dst,
WOLFSSL_ASN1_STRING *src)
{
char* tmp = NULL;
WOLFSSL_ENTER("wolfSSL_ASN1_STRING_concat");
if (!dst || !src)
return WOLFSSL_FAILURE;
if (dst->length + src->length + 1 > CTC_NAME_SIZE) {
if (dst->isDynamic) {
tmp = (char*)XREALLOC(dst->data,
dst->length + src->length + 1,
NULL, DYNAMIC_TYPE_OPENSSL);
if (!tmp) {
WOLFSSL_MSG("realloc failed");
return WOLFSSL_FAILURE;
}
dst->data = tmp;
}
else {
tmp = (char*)XMALLOC(dst->length + src->length + 1,
NULL, DYNAMIC_TYPE_OPENSSL);
if (!tmp) {
WOLFSSL_MSG("realloc failed");
return WOLFSSL_FAILURE;
}
XMEMCPY(tmp, dst->data, dst->length);
dst->data = tmp;
dst->isDynamic = 1;
}
}
/* dst->data is now big enough to fit dst and src */
XMEMCPY(dst->data + dst->length, src->data, src->length);
dst->length += src->length;
dst->data[dst->length] = '\0';
return WOLFSSL_SUCCESS;
}
static void wolfSSL_X509V3_EXT_METHOD_populate(WOLFSSL_v3_ext_method *method,
int nid)
{
@ -9687,6 +9729,71 @@ static void wolfSSL_X509V3_EXT_METHOD_populate(WOLFSSL_v3_ext_method *method,
return;
}
static WOLFSSL_ASN1_STRING* wolfSSL_GENERAL_NAMES_i2d(WOLFSSL_GENERAL_NAMES* gns)
{
WOLFSSL_ASN1_STRING* asn1str = NULL;
WOLFSSL_ENTER("wolfSSL_GENERAL_NAMES_i2d");
while (gns) {
WOLFSSL_GENERAL_NAME* gn = gns->data.gn;
if (!gn) {
WOLFSSL_MSG("gns->data.gn not set");
goto error;
}
if (!asn1str && !(asn1str = wolfSSL_ASN1_STRING_new())) {
WOLFSSL_MSG("wolfSSL_ASN1_STRING_new error");
goto error;
}
switch (gn->type) {
/* WOLFSSL_ASN1_STRING types */
case GEN_DNS:
if (wolfSSL_ASN1_STRING_concat(asn1str, gn->d.dNSName) !=
WOLFSSL_SUCCESS) {
WOLFSSL_MSG("wolfSSL_ASN1_STRING_concat error");
goto error;
}
break;
case GEN_IPADD:
if (wolfSSL_ASN1_STRING_concat(asn1str, gn->d.iPAddress) !=
WOLFSSL_SUCCESS) {
WOLFSSL_MSG("wolfSSL_ASN1_STRING_concat error");
goto error;
}
break;
case GEN_OTHERNAME:
case GEN_EMAIL:
case GEN_X400:
case GEN_DIRNAME:
case GEN_EDIPARTY:
case GEN_URI:
case GEN_RID:
default:
goto error;
}
gns = gns->next;
}
return asn1str;
error:
if (asn1str) {
wolfSSL_ASN1_STRING_free(asn1str);
}
return NULL;
}
/**
* @param nid One of the NID_* constants defined in asn.h
* @param crit
* @param data This data is put in the returned extension. It will be freed
* when the extension is freed.
* @return
*/
WOLFSSL_X509_EXTENSION *wolfSSL_X509V3_EXT_i2d(int nid, int crit,
void *data)
{
@ -9706,7 +9813,6 @@ WOLFSSL_X509_EXTENSION *wolfSSL_X509V3_EXT_i2d(int nid, int crit,
switch (nid) {
case NID_subject_key_identifier:
case NID_authority_key_identifier:
case NID_key_usage:
{
WOLFSSL_ASN1_STRING* asn1str = (WOLFSSL_ASN1_STRING*)data;
@ -9727,17 +9833,49 @@ WOLFSSL_X509_EXTENSION *wolfSSL_X509V3_EXT_i2d(int nid, int crit,
}
break;
}
case NID_certificate_policies:
case NID_policy_mappings:
case NID_subject_alt_name:
case NID_issuer_alt_name:
case NID_basic_constraints:
case NID_name_constraints:
case NID_policy_constraints:
{
WOLFSSL_GENERAL_NAMES* gns = data;
WOLFSSL_ASN1_STRING* asn1str = wolfSSL_GENERAL_NAMES_i2d(gns);
if (!asn1str) {
WOLFSSL_MSG("wolfSSL_GENERAL_NAMES_i2d failed");
goto err_cleanup;
}
ext->value = *asn1str;
/* Only free asn1str struct since members will be freed when
* ext is freed */
XFREE(asn1str, NULL, DYNAMIC_TYPE_OPENSSL);
// typedef STACK_OF(GENERAL_NAME) GENERAL_NAMES
break;
}
case NID_ext_key_usage:
case NID_crl_distribution_points:
case NID_inhibit_any_policy:
// typedef STACK_OF(ASN1_OBJECT) EXTENDED_KEY_USAGE
break;
case NID_info_access:
// typedef STACK_OF(ACCESS_DESCRIPTION) AUTHORITY_INFO_ACCESS
break;
case NID_basic_constraints:
// WOLFSSL_BASIC_CONSTRAINTS
break;
case NID_inhibit_any_policy:
// ASN1_INTEGER
break;
case NID_authority_key_identifier:
// AUTHORITY_KEYID
break;
case NID_certificate_policies:
/* STACK_OF(POLICYINFO) */
case NID_policy_mappings:
/* STACK_OF(POLICY_MAPPING) */
case NID_name_constraints:
/* NAME_CONSTRAINTS */
case NID_policy_constraints:
/* POLICY_CONSTRAINTS */
case NID_crl_distribution_points:
/* typedef STACK_OF(DIST_POINT) CRL_DIST_POINTS */
default:
WOLFSSL_MSG("Unknown or unsupported NID");
break;