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tdelibs/tdeio/kssl/ksslcertificate.cc

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/* This file is part of the KDE project
*
* Copyright (C) 2000-2003 George Staikos <staikos@kde.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <unistd.h>
#include <tqstring.h>
#include <tqstringlist.h>
#include <tqfile.h>
#include "kssldefs.h"
#include "ksslcertificate.h"
#include "ksslcertchain.h"
#include "ksslutils.h"
#include <kstandarddirs.h>
#include <kmdcodec.h>
#include <klocale.h>
#include <tqdatetime.h>
#include <ktempfile.h>
#include <sys/types.h>
#ifdef HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif
// this hack provided by Malte Starostik to avoid glibc/openssl bug
// on some systems
#ifdef KSSL_HAVE_SSL
#define crypt _openssl_crypt
#include <openssl/ssl.h>
#include <openssl/x509.h>
#include <openssl/x509v3.h>
#include <openssl/x509_vfy.h>
#include <openssl/pem.h>
#undef crypt
#endif
#include <kopenssl.h>
#include <tqcstring.h>
#include <kdebug.h>
#include "ksslx509v3.h"
static char hv[] = {'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};
class KSSLCertificatePrivate {
public:
KSSLCertificatePrivate() {
kossl = KOSSL::self();
_lastPurpose = KSSLCertificate::None;
}
~KSSLCertificatePrivate() {
}
KSSLCertificate::KSSLValidation m_stateCache;
bool m_stateCached;
#ifdef KSSL_HAVE_SSL
X509 *m_cert;
#endif
KOSSL *kossl;
KSSLCertChain _chain;
KSSLX509V3 _extensions;
KSSLCertificate::KSSLPurpose _lastPurpose;
};
KSSLCertificate::KSSLCertificate() {
d = new KSSLCertificatePrivate;
d->m_stateCached = false;
TDEGlobal::dirs()->addResourceType("kssl", KStandardDirs::kde_default("data") + "kssl");
#ifdef KSSL_HAVE_SSL
d->m_cert = NULL;
#endif
}
KSSLCertificate::KSSLCertificate(const KSSLCertificate& x) {
d = new KSSLCertificatePrivate;
d->m_stateCached = false;
TDEGlobal::dirs()->addResourceType("kssl", KStandardDirs::kde_default("data") + "kssl");
#ifdef KSSL_HAVE_SSL
d->m_cert = NULL;
setCert(KOSSL::self()->X509_dup(const_cast<KSSLCertificate&>(x).getCert()));
KSSLCertChain *c = x.d->_chain.replicate();
setChain(c->rawChain());
delete c;
#endif
}
KSSLCertificate::~KSSLCertificate() {
#ifdef KSSL_HAVE_SSL
if (d->m_cert)
d->kossl->X509_free(d->m_cert);
#endif
delete d;
}
KSSLCertChain& KSSLCertificate::chain() {
return d->_chain;
}
KSSLCertificate *KSSLCertificate::fromX509(X509 *x5) {
KSSLCertificate *n = NULL;
#ifdef KSSL_HAVE_SSL
if (x5) {
n = new KSSLCertificate;
n->setCert(KOSSL::self()->X509_dup(x5));
}
#endif
return n;
}
KSSLCertificate *KSSLCertificate::fromString(TQCString cert) {
KSSLCertificate *n = NULL;
#ifdef KSSL_HAVE_SSL
if (cert.length() == 0)
return NULL;
TQByteArray qba, qbb = cert.copy();
KCodecs::base64Decode(qbb, qba);
unsigned char *qbap = reinterpret_cast<unsigned char *>(qba.data());
X509 *x5c = KOSSL::self()->d2i_X509(NULL, &qbap, qba.size());
if (!x5c) {
return NULL;
}
n = new KSSLCertificate;
n->setCert(x5c);
#endif
return n;
}
TQString KSSLCertificate::getSubject() const {
TQString rc = "";
#ifdef KSSL_HAVE_SSL
char *t = d->kossl->X509_NAME_oneline(d->kossl->X509_get_subject_name(d->m_cert), 0, 0);
if (!t)
return rc;
rc = t;
d->kossl->OPENSSL_free(t);
#endif
return rc;
}
TQString KSSLCertificate::getSerialNumber() const {
TQString rc = "";
#ifdef KSSL_HAVE_SSL
ASN1_INTEGER *aint = d->kossl->X509_get_serialNumber(d->m_cert);
if (aint) {
rc = ASN1_INTEGER_QString(aint);
// d->kossl->ASN1_INTEGER_free(aint); this makes the sig test fail
}
#endif
return rc;
}
TQString KSSLCertificate::getSignatureText() const {
TQString rc = "";
#ifdef KSSL_HAVE_SSL
char *s;
int n, i;
i = d->kossl->OBJ_obj2nid(d->m_cert->sig_alg->algorithm);
rc = i18n("Signature Algorithm: ");
rc += (i == NID_undef)?i18n("Unknown"):TQString(d->kossl->OBJ_nid2ln(i));
rc += "\n";
rc += i18n("Signature Contents:");
n = d->m_cert->signature->length;
s = (char *)d->m_cert->signature->data;
for (i = 0; i < n; i++) {
if (i%20 != 0) rc += ":";
else rc += "\n";
rc.append(hv[(s[i]&0xf0)>>4]);
rc.append(hv[s[i]&0x0f]);
}
#endif
return rc;
}
void KSSLCertificate::getEmails(TQStringList &to) const {
to.clear();
#ifdef KSSL_HAVE_SSL
if (!d->m_cert)
return;
STACK *s = d->kossl->X509_get1_email(d->m_cert);
if (s) {
for(int n=0; n < s->num; n++) {
to.append(d->kossl->sk_value(s,n));
}
d->kossl->X509_email_free(s);
}
#endif
}
TQString KSSLCertificate::getKDEKey() const {
return getSubject() + " (" + getMD5DigestText() + ")";
}
TQString KSSLCertificate::getMD5DigestFromKDEKey(const TQString &k) {
TQString rc;
int pos = k.findRev('(');
if (pos != -1) {
unsigned int len = k.length();
if (k.at(len-1) == ')') {
rc = k.mid(pos+1, len-pos-2);
}
}
return rc;
}
TQString KSSLCertificate::getMD5DigestText() const {
TQString rc = "";
#ifdef KSSL_HAVE_SSL
unsigned int n;
unsigned char md[EVP_MAX_MD_SIZE];
if (!d->kossl->X509_digest(d->m_cert, d->kossl->EVP_md5(), md, &n)) {
return rc;
}
for (unsigned int j = 0; j < n; j++) {
if (j > 0)
rc += ":";
rc.append(hv[(md[j]&0xf0)>>4]);
rc.append(hv[md[j]&0x0f]);
}
#endif
return rc;
}
TQString KSSLCertificate::getMD5Digest() const {
TQString rc = "";
#ifdef KSSL_HAVE_SSL
unsigned int n;
unsigned char md[EVP_MAX_MD_SIZE];
if (!d->kossl->X509_digest(d->m_cert, d->kossl->EVP_md5(), md, &n)) {
return rc;
}
for (unsigned int j = 0; j < n; j++) {
rc.append(hv[(md[j]&0xf0)>>4]);
rc.append(hv[md[j]&0x0f]);
}
#endif
return rc;
}
TQString KSSLCertificate::getKeyType() const {
TQString rc = "";
#ifdef KSSL_HAVE_SSL
EVP_PKEY *pkey = d->kossl->X509_get_pubkey(d->m_cert);
if (pkey) {
#ifndef NO_RSA
if (pkey->type == EVP_PKEY_RSA)
rc = "RSA";
else
#endif
#ifndef NO_DSA
if (pkey->type == EVP_PKEY_DSA)
rc = "DSA";
else
#endif
rc = "Unknown";
d->kossl->EVP_PKEY_free(pkey);
}
#endif
return rc;
}
TQString KSSLCertificate::getPublicKeyText() const {
TQString rc = "";
char *x = NULL;
#ifdef KSSL_HAVE_SSL
EVP_PKEY *pkey = d->kossl->X509_get_pubkey(d->m_cert);
if (pkey) {
rc = i18n("Unknown", "Unknown key algorithm");
#ifndef NO_RSA
if (pkey->type == EVP_PKEY_RSA) {
rc = i18n("Key type: RSA (%1 bit)") + "\n";
x = d->kossl->BN_bn2hex(pkey->pkey.rsa->n);
rc += i18n("Modulus: ");
rc = rc.arg(strlen(x)*4);
for (unsigned int i = 0; i < strlen(x); i++) {
if (i%40 != 0 && i%2 == 0)
rc += ":";
else if (i%40 == 0)
rc += "\n";
rc += x[i];
}
rc += "\n";
d->kossl->OPENSSL_free(x);
x = d->kossl->BN_bn2hex(pkey->pkey.rsa->e);
rc += i18n("Exponent: 0x") + x + "\n";
d->kossl->OPENSSL_free(x);
}
#endif
#ifndef NO_DSA
if (pkey->type == EVP_PKEY_DSA) {
rc = i18n("Key type: DSA (%1 bit)") + "\n";
x = d->kossl->BN_bn2hex(pkey->pkey.dsa->p);
rc += i18n("Prime: ");
// hack - this may not be always accurate
rc = rc.arg(strlen(x)*4) ;
for (unsigned int i = 0; i < strlen(x); i++) {
if (i%40 != 0 && i%2 == 0)
rc += ":";
else if (i%40 == 0)
rc += "\n";
rc += x[i];
}
rc += "\n";
d->kossl->OPENSSL_free(x);
x = d->kossl->BN_bn2hex(pkey->pkey.dsa->q);
rc += i18n("160 bit prime factor: ");
for (unsigned int i = 0; i < strlen(x); i++) {
if (i%40 != 0 && i%2 == 0)
rc += ":";
else if (i%40 == 0)
rc += "\n";
rc += x[i];
}
rc += "\n";
d->kossl->OPENSSL_free(x);
x = d->kossl->BN_bn2hex(pkey->pkey.dsa->g);
rc += TQString("g: ");
for (unsigned int i = 0; i < strlen(x); i++) {
if (i%40 != 0 && i%2 == 0)
rc += ":";
else if (i%40 == 0)
rc += "\n";
rc += x[i];
}
rc += "\n";
d->kossl->OPENSSL_free(x);
x = d->kossl->BN_bn2hex(pkey->pkey.dsa->pub_key);
rc += i18n("Public key: ");
for (unsigned int i = 0; i < strlen(x); i++) {
if (i%40 != 0 && i%2 == 0)
rc += ":";
else if (i%40 == 0)
rc += "\n";
rc += x[i];
}
rc += "\n";
d->kossl->OPENSSL_free(x);
}
#endif
d->kossl->EVP_PKEY_free(pkey);
}
#endif
return rc;
}
TQString KSSLCertificate::getIssuer() const {
TQString rc = "";
#ifdef KSSL_HAVE_SSL
char *t = d->kossl->X509_NAME_oneline(d->kossl->X509_get_issuer_name(d->m_cert), 0, 0);
if (!t)
return rc;
rc = t;
d->kossl->OPENSSL_free(t);
#endif
return rc;
}
void KSSLCertificate::setChain(void *c) {
#ifdef KSSL_HAVE_SSL
d->_chain.setChain(c);
#endif
d->m_stateCached = false;
d->m_stateCache = KSSLCertificate::Unknown;
}
void KSSLCertificate::setCert(X509 *c) {
#ifdef KSSL_HAVE_SSL
d->m_cert = c;
if (c) {
d->_extensions.flags = 0;
d->kossl->X509_check_purpose(c, -1, 0); // setup the fields (!!)
#if 0
kdDebug(7029) << "---------------- Certificate ------------------"
<< endl;
kdDebug(7029) << getSubject() << endl;
#endif
for (int j = 0; j < d->kossl->X509_PURPOSE_get_count(); j++) {
X509_PURPOSE *ptmp = d->kossl->X509_PURPOSE_get0(j);
int id = d->kossl->X509_PURPOSE_get_id(ptmp);
for (int ca = 0; ca < 2; ca++) {
int idret = d->kossl->X509_check_purpose(c, id, ca);
if (idret == 1 || idret == 2) { // have it
// kdDebug() << "PURPOSE: " << id << (ca?" CA":"") << endl;
if (!ca)
d->_extensions.flags |= (1L <<(id-1));
else d->_extensions.flags |= (1L <<(16+id-1));
} else {
if (!ca)
d->_extensions.flags &= ~(1L <<(id-1));
else d->_extensions.flags &= ~(1L <<(16+id-1));
}
}
}
#if 0
kdDebug(7029) << "flags: " << TQString::number(c->ex_flags, 2)
<< "\nkeyusage: " << TQString::number(c->ex_kusage, 2)
<< "\nxkeyusage: " << TQString::number(c->ex_xkusage, 2)
<< "\nnscert: " << TQString::number(c->ex_nscert, 2)
<< endl;
if (c->ex_flags & EXFLAG_KUSAGE)
kdDebug(7029) << " --- Key Usage extensions found" << endl;
else kdDebug(7029) << " --- Key Usage extensions NOT found" << endl;
if (c->ex_flags & EXFLAG_XKUSAGE)
kdDebug(7029) << " --- Extended key usage extensions found" << endl;
else kdDebug(7029) << " --- Extended key usage extensions NOT found" << endl;
if (c->ex_flags & EXFLAG_NSCERT)
kdDebug(7029) << " --- NS extensions found" << endl;
else kdDebug(7029) << " --- NS extensions NOT found" << endl;
if (d->_extensions.certTypeSSLCA())
kdDebug(7029) << "NOTE: this is an SSL CA file." << endl;
else kdDebug(7029) << "NOTE: this is NOT an SSL CA file." << endl;
if (d->_extensions.certTypeEmailCA())
kdDebug(7029) << "NOTE: this is an EMAIL CA file." << endl;
else kdDebug(7029) << "NOTE: this is NOT an EMAIL CA file." << endl;
if (d->_extensions.certTypeCodeCA())
kdDebug(7029) << "NOTE: this is a CODE CA file." << endl;
else kdDebug(7029) << "NOTE: this is NOT a CODE CA file." << endl;
if (d->_extensions.certTypeSSLClient())
kdDebug(7029) << "NOTE: this is an SSL client." << endl;
else kdDebug(7029) << "NOTE: this is NOT an SSL client." << endl;
if (d->_extensions.certTypeSSLServer())
kdDebug(7029) << "NOTE: this is an SSL server." << endl;
else kdDebug(7029) << "NOTE: this is NOT an SSL server." << endl;
if (d->_extensions.certTypeNSSSLServer())
kdDebug(7029) << "NOTE: this is a NETSCAPE SSL server." << endl;
else kdDebug(7029) << "NOTE: this is NOT a NETSCAPE SSL server." << endl;
if (d->_extensions.certTypeSMIME())
kdDebug(7029) << "NOTE: this is an SMIME certificate." << endl;
else kdDebug(7029) << "NOTE: this is NOT an SMIME certificate." << endl;
if (d->_extensions.certTypeSMIMEEncrypt())
kdDebug(7029) << "NOTE: this is an SMIME encrypt cert." << endl;
else kdDebug(7029) << "NOTE: this is NOT an SMIME encrypt cert." << endl;
if (d->_extensions.certTypeSMIMESign())
kdDebug(7029) << "NOTE: this is an SMIME sign cert." << endl;
else kdDebug(7029) << "NOTE: this is NOT an SMIME sign cert." << endl;
if (d->_extensions.certTypeCRLSign())
kdDebug(7029) << "NOTE: this is a CRL signer." << endl;
else kdDebug(7029) << "NOTE: this is NOT a CRL signer." << endl;
kdDebug(7029) << "-----------------------------------------------"
<< endl;
#endif
}
#endif
d->m_stateCached = false;
d->m_stateCache = KSSLCertificate::Unknown;
}
X509 *KSSLCertificate::getCert() {
#ifdef KSSL_HAVE_SSL
return d->m_cert;
#endif
return 0;
}
// pull in the callback. It's common across multiple files but we want
// it to be hidden.
#include "ksslcallback.c"
bool KSSLCertificate::isValid(KSSLCertificate::KSSLPurpose p) {
return (validate(p) == KSSLCertificate::Ok);
}
bool KSSLCertificate::isValid() {
return isValid(KSSLCertificate::SSLServer);
}
int KSSLCertificate::purposeToOpenSSL(KSSLCertificate::KSSLPurpose p) const {
int rc = 0;
#ifdef KSSL_HAVE_SSL
if (p == KSSLCertificate::SSLServer) {
rc = X509_PURPOSE_SSL_SERVER;
} else if (p == KSSLCertificate::SSLClient) {
rc = X509_PURPOSE_SSL_CLIENT;
} else if (p == KSSLCertificate::SMIMEEncrypt) {
rc = X509_PURPOSE_SMIME_ENCRYPT;
} else if (p == KSSLCertificate::SMIMESign) {
rc = X509_PURPOSE_SMIME_SIGN;
} else if (p == KSSLCertificate::Any) {
rc = X509_PURPOSE_ANY;
}
#endif
return rc;
}
// For backward compatibility
KSSLCertificate::KSSLValidation KSSLCertificate::validate() {
return validate(KSSLCertificate::SSLServer);
}
KSSLCertificate::KSSLValidation KSSLCertificate::validate(KSSLCertificate::KSSLPurpose purpose)
{
KSSLValidationList result = validateVerbose(purpose);
if (result.isEmpty())
return KSSLCertificate::Ok;
else
return result.first();
}
//
// See apps/verify.c in OpenSSL for the source of most of this logic.
//
// CRL files? we don't do that yet
KSSLCertificate::KSSLValidationList KSSLCertificate::validateVerbose(KSSLCertificate::KSSLPurpose purpose)
{
return validateVerbose(purpose, 0);
}
KSSLCertificate::KSSLValidationList KSSLCertificate::validateVerbose(KSSLCertificate::KSSLPurpose purpose, KSSLCertificate *ca)
{
KSSLValidationList errors;
if (ca || (d->_lastPurpose != purpose)) {
d->m_stateCached = false;
}
if (!d->m_stateCached)
d->_lastPurpose = purpose;
#ifdef KSSL_HAVE_SSL
X509_STORE *certStore;
X509_LOOKUP *certLookup;
X509_STORE_CTX *certStoreCTX;
int rc = 0;
if (!d->m_cert)
{
errors << KSSLCertificate::Unknown;
return errors;
}
if (d->m_stateCached) {
errors << d->m_stateCache;
return errors;
}
TQStringList qsl = TDEGlobal::dirs()->resourceDirs("kssl");
if (qsl.isEmpty()) {
errors << KSSLCertificate::NoCARoot;
return errors;
}
KSSLCertificate::KSSLValidation ksslv = Unknown;
for (TQStringList::Iterator j = qsl.begin(); j != qsl.end(); ++j) {
struct stat sb;
TQString _j = (*j) + "ca-bundle.crt";
if (-1 == stat(_j.ascii(), &sb)) {
continue;
}
certStore = d->kossl->X509_STORE_new();
if (!certStore) {
errors << KSSLCertificate::Unknown;
return errors;
}
X509_STORE_set_verify_cb_func(certStore, X509Callback);
certLookup = d->kossl->X509_STORE_add_lookup(certStore, d->kossl->X509_LOOKUP_file());
if (!certLookup) {
ksslv = KSSLCertificate::Unknown;
d->kossl->X509_STORE_free(certStore);
continue;
}
if (!d->kossl->X509_LOOKUP_load_file(certLookup, _j.ascii(), X509_FILETYPE_PEM)) {
// error accessing directory and loading pems
kdDebug(7029) << "KSSL couldn't read CA root: "
<< _j << endl;
ksslv = KSSLCertificate::ErrorReadingRoot;
d->kossl->X509_STORE_free(certStore);
continue;
}
// This is the checking code
certStoreCTX = d->kossl->X509_STORE_CTX_new();
// this is a bad error - could mean no free memory.
// This may be the wrong thing to do here
if (!certStoreCTX) {
kdDebug(7029) << "KSSL couldn't create an X509 store context." << endl;
d->kossl->X509_STORE_free(certStore);
continue;
}
d->kossl->X509_STORE_CTX_init(certStoreCTX, certStore, d->m_cert, NULL);
if (d->_chain.isValid()) {
d->kossl->X509_STORE_CTX_set_chain(certStoreCTX, (STACK_OF(X509)*)d->_chain.rawChain());
}
//kdDebug(7029) << "KSSL setting CRL.............." << endl;
// int X509_STORE_add_crl(X509_STORE *ctx, X509_CRL *x);
d->kossl->X509_STORE_CTX_set_purpose(certStoreCTX, purposeToOpenSSL(purpose));
KSSL_X509CallBack_ca = ca ? ca->d->m_cert : 0;
KSSL_X509CallBack_ca_found = false;
certStoreCTX->error = X509_V_OK;
rc = d->kossl->X509_verify_cert(certStoreCTX);
int errcode = certStoreCTX->error;
if (ca && !KSSL_X509CallBack_ca_found) {
ksslv = KSSLCertificate::Irrelevant;
} else {
ksslv = processError(errcode);
}
// For servers, we can try NS_SSL_SERVER too
if ( (ksslv != KSSLCertificate::Ok) &&
(ksslv != KSSLCertificate::Irrelevant) &&
purpose == KSSLCertificate::SSLServer) {
d->kossl->X509_STORE_CTX_set_purpose(certStoreCTX,
X509_PURPOSE_NS_SSL_SERVER);
certStoreCTX->error = X509_V_OK;
rc = d->kossl->X509_verify_cert(certStoreCTX);
errcode = certStoreCTX->error;
ksslv = processError(errcode);
}
d->kossl->X509_STORE_CTX_free(certStoreCTX);
d->kossl->X509_STORE_free(certStore);
// end of checking code
//
//kdDebug(7029) << "KSSL Validation procedure RC: "
// << rc << endl;
//kdDebug(7029) << "KSSL Validation procedure errcode: "
// << errcode << endl;
//kdDebug(7029) << "KSSL Validation procedure RESULTS: "
// << ksslv << endl;
if (ksslv != NoCARoot && ksslv != InvalidCA) {
d->m_stateCached = true;
d->m_stateCache = ksslv;
}
break;
}
if (ksslv != KSSLCertificate::Ok)
errors << ksslv;
#else
errors << KSSLCertificate::NoSSL;
#endif
return errors;
}
KSSLCertificate::KSSLValidation KSSLCertificate::revalidate() {
return revalidate(KSSLCertificate::SSLServer);
}
KSSLCertificate::KSSLValidation KSSLCertificate::revalidate(KSSLCertificate::KSSLPurpose p) {
d->m_stateCached = false;
return validate(p);
}
KSSLCertificate::KSSLValidation KSSLCertificate::processError(int ec) {
KSSLCertificate::KSSLValidation rc;
rc = KSSLCertificate::Unknown;
#ifdef KSSL_HAVE_SSL
switch (ec) {
case X509_V_OK: // OK
rc = KSSLCertificate::Ok;
break;
case X509_V_ERR_CERT_REJECTED:
rc = KSSLCertificate::Rejected;
break;
case X509_V_ERR_CERT_UNTRUSTED:
rc = KSSLCertificate::Untrusted;
break;
case X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE:
case X509_V_ERR_CERT_SIGNATURE_FAILURE:
case X509_V_ERR_CRL_SIGNATURE_FAILURE:
case X509_V_ERR_UNABLE_TO_DECRYPT_CERT_SIGNATURE:
case X509_V_ERR_UNABLE_TO_DECRYPT_CRL_SIGNATURE:
rc = KSSLCertificate::SignatureFailed;
break;
case X509_V_ERR_INVALID_CA:
case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT:
case X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY:
case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY:
rc = KSSLCertificate::InvalidCA;
break;
case X509_V_ERR_INVALID_PURPOSE:
rc = KSSLCertificate::InvalidPurpose;
break;
case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
rc = KSSLCertificate::SelfSigned;
break;
case X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN:
rc = KSSLCertificate::SelfSignedChain;
break;
case X509_V_ERR_CERT_REVOKED:
rc = KSSLCertificate::Revoked;
break;
case X509_V_ERR_PATH_LENGTH_EXCEEDED:
rc = KSSLCertificate::PathLengthExceeded;
break;
case X509_V_ERR_CERT_NOT_YET_VALID:
case X509_V_ERR_CERT_HAS_EXPIRED:
case X509_V_ERR_CRL_NOT_YET_VALID:
case X509_V_ERR_CRL_HAS_EXPIRED:
case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD:
case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD:
case X509_V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD:
case X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD:
rc = KSSLCertificate::Expired;
kdDebug(7029) << "KSSL apparently this is expired. Not after: "
<< getNotAfter() << endl;
break;
//case 1:
case X509_V_ERR_APPLICATION_VERIFICATION:
case X509_V_ERR_OUT_OF_MEM:
case X509_V_ERR_UNABLE_TO_GET_CRL:
case X509_V_ERR_CERT_CHAIN_TOO_LONG:
default:
rc = KSSLCertificate::Unknown;
break;
}
d->m_stateCache = rc;
d->m_stateCached = true;
#endif
return rc;
}
TQString KSSLCertificate::getNotBefore() const {
#ifdef KSSL_HAVE_SSL
return ASN1_UTCTIME_QString(X509_get_notBefore(d->m_cert));
#else
return TQString::null;
#endif
}
TQString KSSLCertificate::getNotAfter() const {
#ifdef KSSL_HAVE_SSL
return ASN1_UTCTIME_QString(X509_get_notAfter(d->m_cert));
#else
return TQString::null;
#endif
}
TQDateTime KSSLCertificate::getQDTNotBefore() const {
#ifdef KSSL_HAVE_SSL
return ASN1_UTCTIME_QDateTime(X509_get_notBefore(d->m_cert), NULL);
#else
return TQDateTime::currentDateTime();
#endif
}
TQDateTime KSSLCertificate::getQDTNotAfter() const {
#ifdef KSSL_HAVE_SSL
return ASN1_UTCTIME_QDateTime(X509_get_notAfter(d->m_cert), NULL);
#else
return TQDateTime::currentDateTime();
#endif
}
int operator==(KSSLCertificate &x, KSSLCertificate &y) {
#ifndef KSSL_HAVE_SSL
return 1;
#else
if (!KOSSL::self()->X509_cmp(x.getCert(), y.getCert())) return 1;
return 0;
#endif
}
KSSLCertificate *KSSLCertificate::replicate() {
// The new certificate doesn't have the cached value. It's probably
// better this way. We can't anticipate every reason for doing this.
KSSLCertificate *newOne = new KSSLCertificate();
#ifdef KSSL_HAVE_SSL
newOne->setCert(d->kossl->X509_dup(getCert()));
KSSLCertChain *c = d->_chain.replicate();
newOne->setChain(c->rawChain());
delete c;
#endif
return newOne;
}
TQString KSSLCertificate::toString() {
return KCodecs::base64Encode(toDer());
}
TQString KSSLCertificate::verifyText(KSSLValidation x) {
switch (x) {
case KSSLCertificate::Ok:
return i18n("The certificate is valid.");
case KSSLCertificate::PathLengthExceeded:
case KSSLCertificate::ErrorReadingRoot:
case KSSLCertificate::NoCARoot:
return i18n("Certificate signing authority root files could not be found so the certificate is not verified.");
case KSSLCertificate::SelfSignedChain:
case KSSLCertificate::InvalidCA:
return i18n("Certificate signing authority is unknown or invalid.");
case KSSLCertificate::SelfSigned:
return i18n("Certificate is self-signed and thus may not be trustworthy.");
case KSSLCertificate::Expired:
return i18n("Certificate has expired.");
case KSSLCertificate::Revoked:
return i18n("Certificate has been revoked.");
case KSSLCertificate::NoSSL:
return i18n("SSL support was not found.");
case KSSLCertificate::Untrusted:
return i18n("Signature is untrusted.");
case KSSLCertificate::SignatureFailed:
return i18n("Signature test failed.");
case KSSLCertificate::Rejected:
case KSSLCertificate::InvalidPurpose:
return i18n("Rejected, possibly due to an invalid purpose.");
case KSSLCertificate::PrivateKeyFailed:
return i18n("Private key test failed.");
case KSSLCertificate::InvalidHost:
return i18n("The certificate has not been issued for this host.");
case KSSLCertificate::Irrelevant:
return i18n("This certificate is not relevant.");
default:
break;
}
return i18n("The certificate is invalid.");
}
TQByteArray KSSLCertificate::toDer() {
TQByteArray qba;
#ifdef KSSL_HAVE_SSL
unsigned int certlen = d->kossl->i2d_X509(getCert(), NULL);
unsigned char *cert = new unsigned char[certlen];
unsigned char *p = cert;
// FIXME: return code!
d->kossl->i2d_X509(getCert(), &p);
// encode it into a QString
qba.duplicate((const char*)cert, certlen);
delete[] cert;
#endif
return qba;
}
TQByteArray KSSLCertificate::toPem() {
TQByteArray qba;
TQString thecert = toString();
const char *header = "-----BEGIN CERTIFICATE-----\n";
const char *footer = "-----END CERTIFICATE-----\n";
// We just do base64 on the ASN1
// 64 character lines (unpadded)
unsigned int xx = thecert.length() - 1;
for (unsigned int i = 0; i < xx/64; i++) {
thecert.insert(64*(i+1)+i, '\n');
}
thecert.prepend(header);
if (thecert[thecert.length()-1] != '\n')
thecert += "\n";
thecert.append(footer);
qba.duplicate(thecert.local8Bit(), thecert.length());
return qba;
}
#define NETSCAPE_CERT_HDR "certificate"
// what a piece of crap this is
TQByteArray KSSLCertificate::toNetscape() {
TQByteArray qba;
#ifdef KSSL_HAVE_SSL
#if OPENSSL_VERSION_NUMBER >= 0x10000000L
NETSCAPE_X509 nx;
ASN1_OCTET_STRING hdr;
#else
ASN1_HEADER ah;
ASN1_OCTET_STRING os;
#endif
KTempFile ktf;
#if OPENSSL_VERSION_NUMBER >= 0x10000000L
hdr.data = (unsigned char *)NETSCAPE_CERT_HDR;
hdr.length = strlen(NETSCAPE_CERT_HDR);
nx.header = &hdr;
nx.cert = getCert();
d->kossl->ASN1_i2d_fp(ktf.fstream(),(unsigned char *)&nx);
#else
os.data = (unsigned char *)NETSCAPE_CERT_HDR;
os.length = strlen(NETSCAPE_CERT_HDR);
ah.header = &os;
ah.data = (char *)getCert();
ah.meth = d->kossl->X509_asn1_meth();
d->kossl->ASN1_i2d_fp(ktf.fstream(),(unsigned char *)&ah);
#endif
ktf.close();
TQFile qf(ktf.name());
qf.open(IO_ReadOnly);
char *buf = new char[qf.size()];
qf.readBlock(buf, qf.size());
qba.duplicate(buf, qf.size());
qf.close();
delete[] buf;
ktf.unlink();
#endif
return qba;
}
TQString KSSLCertificate::toText() {
TQString text;
#ifdef KSSL_HAVE_SSL
KTempFile ktf;
d->kossl->X509_print(ktf.fstream(), getCert());
ktf.close();
TQFile qf(ktf.name());
qf.open(IO_ReadOnly);
char *buf = new char[qf.size()+1];
qf.readBlock(buf, qf.size());
buf[qf.size()] = 0;
text = buf;
delete[] buf;
qf.close();
ktf.unlink();
#endif
return text;
}
// KDE 4: Make it const TQString &
bool KSSLCertificate::setCert(TQString& cert) {
#ifdef KSSL_HAVE_SSL
TQByteArray qba, qbb = cert.local8Bit().copy();
KCodecs::base64Decode(qbb, qba);
unsigned char *qbap = reinterpret_cast<unsigned char *>(qba.data());
X509 *x5c = KOSSL::self()->d2i_X509(NULL, &qbap, qba.size());
if (x5c) {
setCert(x5c);
return true;
}
#endif
return false;
}
KSSLX509V3& KSSLCertificate::x509V3Extensions() {
return d->_extensions;
}
bool KSSLCertificate::isSigner() {
return d->_extensions.certTypeCA();
}
TQStringList KSSLCertificate::subjAltNames() const {
TQStringList rc;
#ifdef KSSL_HAVE_SSL
STACK_OF(GENERAL_NAME) *names;
names = (STACK_OF(GENERAL_NAME)*)d->kossl->X509_get_ext_d2i(d->m_cert, NID_subject_alt_name, 0, 0);
if (!names) {
return rc;
}
int cnt = d->kossl->sk_GENERAL_NAME_num(names);
for (int i = 0; i < cnt; i++) {
const GENERAL_NAME *val = (const GENERAL_NAME *)d->kossl->sk_value(names, i);
if (val->type != GEN_DNS) {
continue;
}
TQString s = (const char *)d->kossl->ASN1_STRING_data(val->d.ia5);
if (!s.isEmpty() &&
/* skip subjectAltNames with embedded NULs */
s.length() == d->kossl->ASN1_STRING_length(val->d.ia5)) {
rc += s;
}
}
d->kossl->sk_free(names);
#endif
return rc;
}
TQDataStream& operator<<(TQDataStream& s, const KSSLCertificate& r) {
TQStringList qsl;
TQPtrList<KSSLCertificate> cl = const_cast<KSSLCertificate&>(r).chain().getChain();
for (KSSLCertificate *c = cl.first(); c != 0; c = cl.next()) {
qsl << c->toString();
}
cl.setAutoDelete(true);
s << const_cast<KSSLCertificate&>(r).toString() << qsl;
return s;
}
TQDataStream& operator>>(TQDataStream& s, KSSLCertificate& r) {
TQStringList qsl;
TQString cert;
s >> cert >> qsl;
if (r.setCert(cert) && !qsl.isEmpty())
r.chain().setCertChain(qsl);
return s;
}
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