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[crypto,cert] add getter for notBefore and notAfter

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Add getters for ceritificate dates notBefore and notAfter. Returns the
date as RFC822 string.
This commit is contained in:
akallabeth 2024-08-20 10:45:00 +02:00
parent ddde8f26e8
commit c2d30a07e9
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GPG Key ID: A49454A3FC909FD5
4 changed files with 37 additions and 0 deletions
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3
include/freerdp/crypto/certificate.h
View File

@ -76,6 +76,9 @@ extern "C"
FREERDP_API char* freerdp_certificate_get_upn(const rdpCertificate* certificate);
FREERDP_API char* freerdp_certificate_get_email(const rdpCertificate* certificate);
FREERDP_API char* freerdp_certificate_get_validity(const rdpCertificate* certificate,
BOOL startDate);
FREERDP_API WINPR_MD_TYPE freerdp_certificate_get_signature_alg(const rdpCertificate* cert);
FREERDP_API char* freerdp_certificate_get_common_name(const rdpCertificate* cert,

6
libfreerdp/crypto/certificate.c
View File

@ -1507,6 +1507,12 @@ char* freerdp_certificate_get_email(const rdpCertificate* cert)
return x509_utils_get_email(cert->x509);
}
char* freerdp_certificate_get_validity(const rdpCertificate* cert, BOOL startDate)
{
WINPR_ASSERT(cert);
return x509_utils_get_date(cert->x509, startDate);
}
BOOL freerdp_certificate_check_eku(const rdpCertificate* cert, int nid)
{
WINPR_ASSERT(cert);

27
libfreerdp/crypto/x509_utils.c
View File

@ -463,6 +463,33 @@ char* x509_utils_get_upn(const X509* x509)
return result;
}
char* x509_utils_get_date(const X509* x509, BOOL startDate)
{
WINPR_ASSERT(x509);
const ASN1_TIME* date = startDate ? X509_get0_notBefore(x509) : X509_get0_notAfter(x509);
if (!date)
return NULL;
BIO* bmem = BIO_new(BIO_s_mem());
if (!bmem)
return NULL;
char* str = NULL;
if (ASN1_TIME_print(bmem, date))
{
BUF_MEM* bptr;
BIO_get_mem_ptr(bmem, &bptr);
str = strndup(bptr->data, bptr->length);
}
else
{ // Log error
}
BIO_free_all(bmem);
return str;
}
void x509_utils_dns_names_free(size_t count, size_t* lengths, char** dns_names)
{
free(lengths);

1
libfreerdp/crypto/x509_utils.h
View File

@ -44,6 +44,7 @@ extern "C"
FREERDP_LOCAL char* x509_utils_get_issuer(const X509* xcert);
FREERDP_LOCAL char* x509_utils_get_email(const X509* x509);
FREERDP_LOCAL char* x509_utils_get_upn(const X509* x509);
FREERDP_LOCAL char* x509_utils_get_date(const X509* x509, BOOL startDate);
FREERDP_LOCAL char* x509_utils_get_common_name(const X509* xcert, size_t* plength);
FREERDP_LOCAL char** x509_utils_get_dns_names(const X509* xcert, size_t* count,