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#include "stdafx.h"
#include "OpenSSLCert.h"
#include "OpenSSLError.h"
#include "Core/Convert.h"
#include "Exception.h"
#ifdef POSIX
#include "OpenSSL.h"
#include <openssl/bio.h>
#include <openssl/pem.h>
#include <openssl/rsa.h>
#include <openssl/dsa.h>
#include <openssl/dh.h>
#include <openssl/ec.h>
namespace ssl {
/**
* Create a BIO with memory from a Str.
*/
class StrBIO {
public:
StrBIO(Str *data) {
ssl::init();
size_t count = convert(data->c_str(), (char *)0, 0);
// Remove null-terminator.
count = max(count, size_t(1)) - 1;
buffer = std::vector<char>(count, 0);
convert(data->c_str(), &buffer[0], count);
bio = BIO_new_mem_buf(&buffer[0], int(count));
}
~StrBIO() {
BIO_free(bio);
}
std::vector<char> buffer;
BIO *bio;
operator BIO *() const {
return bio;
}
};
// We don't support passwords at the moment.
static int passwordCallback(char *buffer, int size, int rwflag, void *data) {
(void)buffer;
(void)size;
(void)rwflag;
(void)data;
return 0;
}
OpenSSLCert *OpenSSLCert::fromPEM(Str *data) {
StrBIO bio(data);
X509 *cert = PEM_read_bio_X509(bio, NULL, &passwordCallback, NULL);
if (!cert)
throwError();
return new OpenSSLCert(cert);
}
OpenSSLCert::OpenSSLCert(X509 *cert) : data(cert) {}
OpenSSLCert::~OpenSSLCert() {
if (data)
X509_free(data);
}
WinSSLCert *OpenSSLCert::windows() {
throw new (runtime::someEngine()) SSLError(S("Windows certificates are not supported."));
}
OpenSSLCert *OpenSSLCert::openSSL() {
ref();
return this;
}
static void output(StrBuf *to, X509_NAME *name) {
// Note: This is not exactly as on Windows, but it is good enough for toS.
char *buffer = X509_NAME_oneline(name, NULL, 0);
*to << toWChar(to->engine(), buffer)->v;
free(buffer);
}
void OpenSSLCert::output(StrBuf *to) {
// Note: These should *not* be freed according to the manpage.
X509_NAME *subject = X509_get_subject_name(data);
X509_NAME *issuer = X509_get_issuer_name(data);
*to << S("subject: ");
ssl::output(to, subject);
*to << S(", issuer: ");
ssl::output(to, issuer);
}
OpenSSLCertKey *OpenSSLCertKey::fromPEM(Str *data) {
StrBIO bio(data);
EVP_PKEY *key = PEM_read_bio_PrivateKey(bio, NULL, &passwordCallback, NULL);
if (!key)
throwError();
return new OpenSSLCertKey(key);
}
OpenSSLCertKey::OpenSSLCertKey(EVP_PKEY *key) : data(key) {}
OpenSSLCertKey::~OpenSSLCertKey() {
if (data)
EVP_PKEY_free(data);
}
WinSSLCertKey *OpenSSLCertKey::windows() {
throw new (runtime::someEngine()) SSLError(S("Windows is not supported here."));
}
OpenSSLCertKey *OpenSSLCertKey::openSSL() {
ref();
return this;
}
const wchar *OpenSSLCertKey::validate(SSLCert *cert) {
RefPtr<OpenSSLCert> c = cert->openSSL();
if (!X509_verify(c->data, data))
return S("Certificate and key does not match.");
return null;
}
}
#endif
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