SF Feat. Req. #80 Create new certificate, based on existing certificate

lib/db_x509.cpp

@@ -436,6 +436,18 @@ void db_x509::newCert(pki_temp *temp)
 	delete dlg;
 }
 
+void db_x509::newCert(pki_x509 *cert)
+{
+	NewX509 *dlg = new NewX509(mainwin);
+	emit connNewX509(dlg);
+	dlg->setCert();
+	dlg->defineCert(cert);
+	if (dlg->exec()) {
+		newCert(dlg);
+	}
+	delete dlg;
+}
+
 void db_x509::newCert(NewX509 *dlg)
 {
 	pki_x509 *cert = NULL;
@@ -647,6 +659,8 @@ void db_x509::showContextMenu(QContextMenuEvent *e, const QModelIndex &index)
 		transform->addAction(tr("Request"),
 				this, SLOT(toRequest()))->
 				setEnabled(privkey && privkey->isPrivKey());
+		transform->addAction(tr("Similar Certificate"),
+				this, SLOT(toCertificate()));
 		transform->addAction(tr("Template"), this, SLOT(toTemplate()));
 
 		menu->addAction(tr("Delete"), this, SLOT(delete_ask()));
@@ -1081,6 +1095,15 @@ void db_x509::genCrl()
 	mainwin->crls->newItem(cert);
 }
 
+void db_x509::toCertificate()
+{
+	pki_x509 *cert = static_cast<pki_x509*>(currentIdx.internalPointer());
+	if (!cert)
+		return;
+	if (!cert->getRefKey())
+		extractPubkey();
+	newCert(cert);
+}
 
 void db_x509::toRequest()
 {

lib/db_x509.h

@@ -47,6 +47,7 @@ class db_x509: public db_x509super
 		pki_x509 *getBySubject(const x509name &xname, pki_x509 *last = NULL);
 		pki_base *insert(pki_base *item);
 		void newCert(NewX509 *dlg);
+		void newCert(pki_x509 *cert);
 		void writePKCS12(pki_x509 *cert, QString s, bool chain);
 		void writePKCS7(pki_x509 *cert, QString s, int type);
 		void showContextMenu(QContextMenuEvent *e, const QModelIndex &index);
@@ -70,6 +71,7 @@ class db_x509: public db_x509super
 		void genCrl();
 		void caProperties();
 		void toRequest();
+		void toCertificate();
 		void toToken();
 		void toOtherToken();
 		void newCert(pki_temp *);

widgets/NewX509.cpp

@@ -368,6 +368,33 @@ void NewX509::defineRequest(pki_x509req *req)
 	on_fromReqCB_clicked();
 }
 
+void NewX509::defineCert(pki_x509 *cert)
+{
+	pki_temp *temp = new pki_temp("");
+	temp->fromCert(cert);
+	description->setText(cert->getIntName());
+	pki_x509 *signer = cert->getSigner();
+	if (signer == cert) {
+		foreignSignRB->setChecked(false);
+	} else if (signer) {
+		defineSigner(signer);
+	}
+	defineTemplate(temp);
+	delete temp;
+
+	pki_key *key = cert->getRefKey();
+	if (key) {
+		usedKeysToo->setChecked(true);
+		keyList->setCurrentIndex(private_keys.indexOf(
+			key->getIntNameWithType()));
+	}
+
+	notBefore->setDate(cert->getNotBefore());
+	notAfter->setDate(cert->getNotAfter());
+
+	hashAlgo->setCurrentMD(cert->getDigest());
+}
+
 void NewX509::defineSigner(pki_x509 *defcert)
 {
 	int index;

widgets/NewX509.h

@@ -74,6 +74,7 @@ class NewX509: public QDialog, public Ui::NewX509
 		void toTemplate(pki_temp *temp);
 		void fromTemplate(pki_temp *temp);
 		void defineTemplate(pki_temp *temp);
+		void defineCert(pki_x509 *cert);
 		void defineRequest(pki_x509req *req);
 		void defineSigner(pki_x509 *defcert);
 		void templateChanged(pki_temp *templ);

widgets/hashBox.cpp

@@ -73,6 +73,24 @@ void hashBox::setCurrentString(QString md)
 	}
 }
 
+void hashBox::setCurrentMD(const EVP_MD *md)
+{
+	int hash_nid;
+	unsigned idx;
+
+	if (!md)
+		return;
+
+	if (!OBJ_find_sigid_algs(EVP_MD_type(md), &hash_nid, NULL))
+		hash_nid = EVP_MD_type(md);
+	for (idx = 0; idx<ARRAY_SIZE(hashalgos); idx++) {
+		if (hash_nid == EVP_MD_type(hashalgos[idx].md)) {
+			setCurrentString(hashalgos[idx].name);
+			return;
+		}
+	}
+}
+
 void hashBox::setupHashes(QList<int> nids)
 {
 	QString md = currentText();

widgets/hashBox.h

@@ -24,6 +24,7 @@ class hashBox: public QComboBox
 		void setKeyType(int type);
 		const EVP_MD *currentHash();
 		QString currentHashName();
+		void setCurrentMD(const EVP_MD *md);
 		void setCurrentAsDefault();
 		void setDefaultHash();
 		void setupHashes(QList<int> nids);