autodetect and load any type of PEM files

either with -P option or menu Import->PEM file

changelog

@@ -1,3 +1,4 @@
+  * autodetect and load any type of PEM files
   * fix version number in exported *.xca template
   * fix import of older XCA templates
   * add support for predefined templates as there was in 0.5.1

img/.gitignore

@@ -0,0 +1,2 @@
+img.rc
+imgres.cpp

lib/base.h

@@ -22,7 +22,8 @@
 #define D2I_CLASHT(f, t, a, PP, s) f(t,a,(unsigned char **)PP,s)
 #endif
 
-#define CCHAR(x) ((const char *)(x).toAscii().constData())
+//#define CCHAR(x) ((const char *)(x).toAscii().constData())
+#define CCHAR(x) qPrintable(x)
 #endif
 
 #define TRACE printf("File: "__FILE__" Func: %s Line: %d\n",__func__, __LINE__);

lib/load_obj.cpp

@@ -224,3 +224,87 @@ load_db::load_db()
 	filter = QObject::tr("XCA Databases ( *.xdb );;") + filter;
 	caption = QObject::tr("Open XCA Database");
 }
+
+/* General PEM loader */
+static load_base *getload(QString text)
+{
+	int pos;
+#define D5 "-----"
+	pos = text.indexOf(D5 "BEGIN ");
+	if (pos <0)
+		return NULL;
+	text = text.remove(0, pos + 11);
+	printf("Text B: %s\n", CCHAR(text));
+	if (text.startsWith(PEM_STRING_X509_OLD D5) ||
+				text.startsWith(PEM_STRING_X509 D5) ||
+				text.startsWith(PEM_STRING_X509_TRUSTED D5))
+		return new load_cert();
+
+	if (text.startsWith(PEM_STRING_PKCS7 D5))
+		return new load_pkcs7();
+	
+	if (text.startsWith(PEM_STRING_X509_REQ_OLD D5) ||
+				text.startsWith(PEM_STRING_X509_REQ D5))
+		return new load_req();
+
+	if (text.startsWith(PEM_STRING_X509_CRL D5))
+		return new load_crl();
+
+	if (text.startsWith(PEM_STRING_EVP_PKEY D5) ||
+				text.startsWith(PEM_STRING_PUBLIC D5) ||
+				text.startsWith(PEM_STRING_RSA D5) ||
+				text.startsWith(PEM_STRING_RSA_PUBLIC D5) ||
+				text.startsWith(PEM_STRING_DSA D5) ||
+				text.startsWith(PEM_STRING_DSA_PUBLIC D5) ||
+				text.startsWith(PEM_STRING_PKCS8 D5) ||
+				text.startsWith(PEM_STRING_PKCS8INF D5))
+		return new load_key();
+
+	return NULL;
+}
+
+load_pem::load_pem()
+	:load_base()
+{
+	filter = QObject::tr("Pem files ( *.pem );;") + filter;
+	caption = QObject::tr("Load PEM encoded file");
+}
+
+pki_base * load_pem::loadItem(QString fname)
+{
+	char buf[100];
+	int len;
+	FILE * fp;
+	QString text;
+	pki_base *item = NULL;
+	load_base *lb = NULL;
+
+	try {
+		fp = fopen(CCHAR(fname), "r");
+		if (!fp) 
+			throw errorEx(QObject::tr("File open error: ") + fname);
+		len = fread(buf, 1, 99, fp);
+		fclose(fp);
+		if (len < 11)
+			throw errorEx(QObject::tr("File corrupted: ") + fname);
+		buf[len] = '\0';
+		text = buf;
+		lb = getload(text);
+		if (!lb)
+			throw errorEx(QObject::tr("Unknown PEM file: ") + fname);
+		printf("CAPTION = '%s' for %s \n", CCHAR(lb->caption),
+			CCHAR(fname));
+		item = lb->loadItem(fname);
+		delete lb;
+		printf("LOAD success: %s\n", CCHAR(fname));
+	}
+	catch (errorEx &err) {
+		MainWindow::Error(err);
+		if (item)
+			delete item;
+		item = NULL;
+		if (lb)
+			delete lb;
+	}
+	return item;
+};

lib/load_obj.h

@@ -119,4 +119,11 @@ class load_db: public load_base
 		load_db();
 };
 
+class load_pem: public load_base
+{
+	public:
+		load_pem();
+		pki_base * loadItem(QString s);
+};
+
 #endif

widgets/MW_help.cpp

@@ -70,6 +70,7 @@ fprintf(stderr, " -v show version information and exit\n"
 " -7 expect all following non-option arguments to be PKCS#7 files\n"
 " -l expect all following non-option arguments to be Revocation lists\n"
 " -t expect all following non-option arguments to be XCA templates\n"
+" -P expect all following non-option arguments to be PEM encoded 'thingies'\n"
 " -d expect the following argument to be the database name to use\n"
 " -x Exit after processing all commandline options\n\n");
 

widgets/MW_menu.cpp

@@ -90,6 +90,8 @@ void MainWindow::init_menu()
 				SLOT(on_BNimportTemp_clicked()) );
 	import->addAction(tr("Revocation list"), this,
 				SLOT(on_BNimportCrl_clicked()) );
+	import->addAction(tr("PEM file"), this,
+				SLOT(loadPem()) );
 
 	help = menuBar()->addMenu(tr("&Help") );
 	help->addAction(tr("&Content"), this, SLOT(help()), Qt::Key_F1 );

widgets/MainWindow.cpp

@@ -195,8 +195,7 @@ void MainWindow::read_cmdline()
 	pki_base *item = NULL;
 	load_base *lb = NULL;
 	exitApp = 0;
-	ImportMulti *dlgi = NULL;
-	dlgi = new ImportMulti(this);
+	ImportMulti *dlgi = new ImportMulti(this);
 	while (cnt < qApp->argc()) {
 		arg = qApp->argv()[cnt];
 		if (arg[0] == '-') { // option
@@ -211,6 +210,7 @@ void MainWindow::read_cmdline()
 				case '7' : lb = new load_pkcs7(); break;
 				case 'l' : lb = new load_crl(); break;
 				case 't' : lb = new load_temp(); break;
+				case 'P' : lb = new load_pem(); break;
 				case 'd' : force_load=1; break;
 				case 'v' : fprintf(stderr, XCA_TITLE " Version " VER "\n");
 						   opt=0; exitApp=1; break;
@@ -249,6 +249,12 @@ void MainWindow::read_cmdline()
 	delete dlgi;
 }
 
+void MainWindow::loadPem()
+{
+	load_pem l;
+	if (keys)
+		keys->load_default(l);
+}
 
 MainWindow::~MainWindow()
 {

widgets/MainWindow.h

@@ -66,7 +66,6 @@
 
 #define DBFILE "xca.xdb"
 
-
 class db_x509;
 
 class MainWindow: public QMainWindow, public Ui::MainWindow
@@ -127,6 +126,7 @@ class MainWindow: public QMainWindow, public Ui::MainWindow
 		void help();
 		void import_dbdump();
 		void undelete();
+		void loadPem();
 
 	private slots:
 		void on_keyView_doubleClicked(const QModelIndex &m);