1 /*
2 * Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package sun.security.smartcardio;
27
28 import java.io.File;
29 import java.io.IOException;
30
31 import java.security.AccessController;
32 import java.security.PrivilegedAction;
33
34 import sun.security.util.Debug;
35
36 /**
37 * Platform specific code and functions for Unix / MUSCLE based PC/SC
38 * implementations.
39 *
40 * @since 1.6
41 * @author Andreas Sterbenz
42 */
43 class PlatformPCSC {
44
45 static final Debug debug = Debug.getInstance("pcsc");
46
47 static final Throwable initException;
48
49 private final static String PROP_NAME = "sun.security.smartcardio.library";
50
51 private final static String LIB1 = "/usr/$LIBISA/libpcsclite.so";
52 private final static String LIB2 = "/usr/local/$LIBISA/libpcsclite.so";
53 private final static String PCSC_FRAMEWORK = "/System/Library/Frameworks/PCSC.framework/Versions/Current/PCSC";
54
55 PlatformPCSC() {
56 // empty
57 }
58
59 static {
60 initException = AccessController.doPrivileged(new PrivilegedAction<Throwable>() {
61 public Throwable run() {
62 try {
63 System.loadLibrary("j2pcsc");
64 String library = getLibraryName();
65 if (debug != null) {
66 debug.println("Using PC/SC library: " + library);
67 }
68 initialize(library);
69 return null;
70 } catch (Throwable e) {
71 return e;
72 }
73 }
74 });
75 }
76
77 // expand $LIBISA to the system specific directory name for libraries
78 private static String expand(String lib) {
79 int k = lib.indexOf("$LIBISA");
80 if (k == -1) {
81 return lib;
82 }
83 String s1 = lib.substring(0, k);
84 String s2 = lib.substring(k + 7);
85 String libDir;
86 if ("64".equals(System.getProperty("sun.arch.data.model"))) {
87 if ("SunOS".equals(System.getProperty("os.name"))) {
88 libDir = "lib/64";
89 } else {
90 // assume Linux convention
91 libDir = "lib64";
92 }
93 } else {
94 // must be 32-bit
95 libDir = "lib";
96 }
97 String s = s1 + libDir + s2;
98 return s;
99 }
100
101 private static String getLibraryName() throws IOException {
102 // if system property is set, use that library
103 String lib = expand(System.getProperty(PROP_NAME, "").trim());
104 if (lib.length() != 0) {
105 return lib;
106 }
107 lib = expand(LIB1);
108 if (new File(lib).isFile()) {
109 // if LIB1 exists, use that
110 return lib;
111 }
112 lib = expand(LIB2);
113 if (new File(lib).isFile()) {
114 // if LIB2 exists, use that
115 return lib;
116 }
117 lib = PCSC_FRAMEWORK;
118 if (new File(lib).isFile()) {
119 // if PCSC.framework exists, use that
120 return lib;
121 }
122 throw new IOException("No PC/SC library found on this system");
123 }
124
125 private static native void initialize(String libraryName);
126
127 // PCSC constants defined differently under Windows and MUSCLE
128 // MUSCLE version
129 final static int SCARD_PROTOCOL_T0 = 0x0001;
130 final static int SCARD_PROTOCOL_T1 = 0x0002;
131 final static int SCARD_PROTOCOL_RAW = 0x0004;
132
133 final static int SCARD_UNKNOWN = 0x0001;
134 final static int SCARD_ABSENT = 0x0002;
135 final static int SCARD_PRESENT = 0x0004;
136 final static int SCARD_SWALLOWED = 0x0008;
137 final static int SCARD_POWERED = 0x0010;
138 final static int SCARD_NEGOTIABLE = 0x0020;
139 final static int SCARD_SPECIFIC = 0x0040;
140
141 }