「Freenet」の版間の差分
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'''Freenet'''は対検閲を実現する、匿名ネットワークシステム。 | '''Freenet'''は対検閲を実現する、匿名ネットワークシステム。 | ||
| − | + | ==はじめに== | |
| + | [[匿名化技術に関する考え]] | ||
==Java 9での非互換== | ==Java 9での非互換== | ||
===Linuxの場合=== | ===Linuxの場合=== | ||
| 98行目: | 99行目: | ||
[[Category:Freenet|*]] | [[Category:Freenet|*]] | ||
| + | [[Category:オーバーレイネットワーク]] | ||
[[Category:セキュリティ]] | [[Category:セキュリティ]] | ||
[[Category:ソフトウェア]] | [[Category:ソフトウェア]] | ||
2017年10月1日 (日) 03:54時点における最新版
Freenetは対検閲を実現する、匿名ネットワークシステム。
はじめに
Java 9での非互換
Linuxの場合
現状のFreenetはJava 9と互換性がないせいか以下のようなエラーが発生し、動作しない。
Your java executable at /usr/bin/java seems suitable Running Freenet 0.7... wrapper | --> Wrapper Started as Console wrapper | Java Service Wrapper Community Edition 64-bit 3.5.20 wrapper | Copyright (C) 1999-2013 Tanuki Software, Ltd. All Rights Reserved. wrapper | http://wrapper.tanukisoftware.com wrapper | wrapper | Launching a JVM... jvm 1 | SERIOUS PROBLEM: Unable to load or use BouncyCastle provider. jvm 1 | java.lang.Error: Cannot use required algorithm from BouncyCaste provider jvm 1 | at freenet.crypt.JceLoader$BouncyCastleLoader.load(JceLoader.java:82) jvm 1 | at freenet.crypt.JceLoader$BouncyCastleLoader.access$300(JceLoader.java:61) jvm 1 | at freenet.crypt.JceLoader.<clinit>(JceLoader.java:48) jvm 1 | at freenet.node.NodeStarter.<init>(NodeStarter.java:78) jvm 1 | at freenet.node.NodeStarter.main(NodeStarter.java:266) jvm 1 | Caused by: java.lang.ExceptionInInitializerError jvm 1 | at java.base/javax.crypto.KeyAgreement.getInstance(KeyAgreement.java:278) jvm 1 | at freenet.crypt.JceLoader$BouncyCastleLoader.load(JceLoader.java:79) jvm 1 | ... 4 more jvm 1 | Caused by: java.lang.SecurityException: Can not initialize cryptographic mechanism jvm 1 | at java.base/javax.crypto.JceSecurity.<clinit>(JceSecurity.java:118) jvm 1 | ... 6 more jvm 1 | Caused by: java.lang.SecurityException: Can't read cryptographic policy directory: unlimited jvm 1 | at java.base/javax.crypto.JceSecurity.setupJurisdictionPolicies(JceSecurity.java:324) jvm 1 | at java.base/javax.crypto.JceSecurity.access$000(JceSecurity.java:73) jvm 1 | at java.base/javax.crypto.JceSecurity$1.run(JceSecurity.java:109) jvm 1 | at java.base/javax.crypto.JceSecurity$1.run(JceSecurity.java:106) jvm 1 | at java.base/java.security.AccessController.doPrivileged(Native Method) jvm 1 | at java.base/javax.crypto.JceSecurity.<clinit>(JceSecurity.java:105) jvm 1 | ... 6 more jvm 1 | BouncyCastle: null jvm 1 | SunPKCS11-NSS: null jvm 1 | SUN: SUN version 9 jvm 1 | SunJCE: SunJCE version 9 jvm 1 | WrapperManager: Initializing... jvm 1 | WrapperManager: jvm 1 | WrapperManager: WARNING - Unable to load the Wrapper's native library because none of the jvm 1 | WrapperManager: following files: jvm 1 | WrapperManager: libwrapper-linux-x86-64.so jvm 1 | WrapperManager: libwrapper.so jvm 1 | WrapperManager: could be located on the following java.library.path: jvm 1 | WrapperManager: $FREENET_DIR/lib jvm 1 | WrapperManager: Please see the documentation for the wrapper.java.library.path jvm 1 | WrapperManager: configuration property. jvm 1 | WrapperManager: System signals will not be handled correctly. jvm 1 | WrapperManager: jvm 1 | freenet.jar built with freenet-ext.jar Build #29 rv29 running with ext build 29 rv29 jvm 1 | Creating config from freenet.ini jvm 1 | Creating logger... jvm 1 | Set interval to 10 and multiplier to 1 jvm 1 | Starting executor... jvm 1 | Finding old log files. New log file is $FREENET_DIR/logs/freenet-1478-2017-10-01-04.log.gz jvm 1 | Old log file exists for this time period: $FREENET_DIR/logs/freenet-1478-2017-10-01-04.log.gz jvm 1 | Renaming to: $FREENET_DIR/freenet-1478-2017-10-01-04-26.log.gz jvm 1 | Created log files jvm 1 | Attempting to load the NativeThread library [jar:file:$FREENET_DIR/freenet-ext.jar!/freenet/support/io/libNativeThread-amd64.so] jvm 1 | Using the NativeThread implementation (base nice level is 10) jvm 1 | Initializing Node using Freenet Build #1478 rbuild01478 and freenet-ext Build #29 rv29 with Oracle Corporation JVM version 9-Ubuntu running on amd64 Linux 4.10.0-35-generic jvm 1 | Set fproxy max length to 2306867 and max length with progress to 57671680 = 57671680 jvm 1 | Starting FProxy on 127.0.0.1,0:0:0:0:0:0:0:1:8888 jvm 1 | SHA1: using SUN version 9 jvm 1 | MD5: using SUN version 9 jvm 1 | SHA-256: using SUN version 9 jvm 1 | SHA-384: using SUN version 9 jvm 1 | SHA-512: using SUN version 9 jvm 1 | WrapperManager Error: Error in WrapperListener.start callback. java.lang.NoClassDefFoundError: Could not initialize class javax.crypto.JceSecurity jvm 1 | WrapperManager Error: java.lang.NoClassDefFoundError: Could not initialize class javax.crypto.JceSecurity jvm 1 | WrapperManager Error: at java.base/javax.crypto.Cipher.getInstance(Cipher.java:526) jvm 1 | WrapperManager Error: at freenet.crypt.ciphers.Rijndael.getAesCtrProvider(Rijndael.java:78) jvm 1 | WrapperManager Error: at freenet.crypt.ciphers.Rijndael.<clinit>(Rijndael.java:30) jvm 1 | WrapperManager Error: at freenet.node.Node.<init>(Node.java:1097) jvm 1 | WrapperManager Error: at freenet.node.NodeStarter.start(NodeStarter.java:194) jvm 1 | WrapperManager Error: at org.tanukisoftware.wrapper.WrapperManager$11.run(WrapperManager.java:4048) jvm 1 | Shutting down... jvm 1 | Completed writing logs to disk. wrapper | <-- Wrapper Stopped
どうしてもJava 9を使いたい場合はJava 8をサイド・バイ・サイドでインストールした上で、Java 8にPATHを通してやることで使える。
export PATH=/usr/lib/jvm/java-8-openjdk-amd64/bin:$PATH
Windowsの場合
調査中……。
