Initial Debianization, imported from Debian 3.2.8 package

Former-commit-id: bb0edac46772972b4c99a84b8e1791f43b9195f5

debian/detector/binfmt-detector-cli.c

@@ -0,0 +1,99 @@
+/*
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program 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 General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ *  binfmt PE executable helper, by Ilya Konstantinov <future@shiny.co.il>
+ *  Based on PE headers structures courtesy of Mono .NET runtime project
+ *  (http://www.go-mono.com).
+ */
+ 
+#include <errno.h>
+#include <string.h>
+#include <stdio.h>
+#include <locale.h>
+#include <stdlib.h>
+#include <libintl.h>
+#include <stdint.h>
+
+#include "cil-coff.h"
+
+//Change this to one MSDOS, MSDOS, NATIVE or CLR
+#define DETECT CLR
+
+#define _(String) gettext(String)
+
+/* Globals */
+enum execTypeEnum {
+	UNKNOWN,
+	MSDOS,
+	NATIVE,
+	CLR
+} execType = UNKNOWN;
+
+int main(int argc, char **argv)
+{
+	const char *filename;
+	FILE *image;
+	size_t read;
+	
+	if (argc < 2) exit(EXIT_FAILURE);
+	
+	filename = argv[1];
+	image = fopen(filename, "r");
+	if (image == NULL) exit(EXIT_FAILURE);
+	
+	/* Parse the MSDOS header */
+	
+	{
+		MSDOSHeader msdos_header;
+		uint32_t pe_offset;
+		read = fread(&msdos_header, sizeof(msdos_header), 1, image);
+		if (read < 1) exit(EXIT_FAILURE);
+		pe_offset = msdos_header.pe_offset[0]
+			  | msdos_header.pe_offset[1] << 8
+			  | msdos_header.pe_offset[2] << 16
+			  | msdos_header.pe_offset[3] << 24;
+		if ((pe_offset == 0) ||
+		    (fseek(image, pe_offset, SEEK_SET) != 0))
+			execType = MSDOS;
+	}
+	
+	/* Parse the PE header */
+
+	if (execType == UNKNOWN)
+	{
+		DotNetHeader dotnet_header;
+		uint16_t pe_magic;
+		uint32_t rva;
+		read = fread(&dotnet_header, sizeof(dotnet_header), 1, image);
+		if (read < 1) exit(EXIT_FAILURE);
+		pe_magic = dotnet_header.pe.pe_magic[0]
+			 | dotnet_header.pe.pe_magic[1] << 8;
+		if (dotnet_header.pesig[0] != 'P' || dotnet_header.pesig[1] != 'E' || pe_magic != 0x10B) exit(EXIT_FAILURE);
+		rva = dotnet_header.datadir.pe_cli_header.rva[0]
+		    | dotnet_header.datadir.pe_cli_header.rva[1] << 8
+		    | dotnet_header.datadir.pe_cli_header.rva[2] << 16
+		    | dotnet_header.datadir.pe_cli_header.rva[1] << 24;
+		if ((dotnet_header.datadir.pe_cli_header.size != 0) &&
+			(rva != 0) &&
+			(fseek(image, rva, SEEK_SET) == 0))
+			execType = CLR;
+		else
+			execType = NATIVE;
+	}
+	fclose(image);
+
+	/* Return a value indicating success or failure */
+	if (execType == DETECT) exit(EXIT_SUCCESS); else exit(EXIT_FAILURE);
+}