2018.06.06 / 10:47
J2ssh ¸¦ ÀÌ¿ëÇÑ SSH Á¢¼Ó ÀÎÁõ
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J2ssh ¸¦ ÀÌ¿ëÇÑ SSH Á¢¼Ó ÀÎÁõ
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 | import java.io.File; import java.io.InputStream; import java.io.OutputStream; import org.apache.commons.lang.StringUtils; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import com.sshtools.j2ssh.SshClient; import com.sshtools.j2ssh.authentication.AuthenticationProtocolState; import com.sshtools.j2ssh.authentication.PasswordAuthenticationClient; import com.sshtools.j2ssh.authentication.PublicKeyAuthenticationClient; import com.sshtools.j2ssh.configuration.SshConnectionProperties; import com.sshtools.j2ssh.session.SessionChannelClient; import com.sshtools.j2ssh.transport.publickey.SshPrivateKey; import com.sshtools.j2ssh.transport.publickey.SshPrivateKeyFile; /** * # SSH Á¢¼Ó Ŭ¶óÀ̾ðÆ® */ public class J2sshCient { private Log log = LogFactory.getLog( this .getClass()); private SshClient ssh = null ; private SessionChannelClient session = null ; private String hostPrompt = null ; /** * @param server * @param userid * @param pwd * @throws Exception */ public J2sshCient(String server, String userid, String password) throws Exception{ PasswordAuthenticationClient auth = null ; try { if (server == null || userid == null || password == null ) { System.out.println( "Parameter is null!" ); } ssh = new SshClient(); ssh.setSocketTimeout( 30000 ); SshConnectionProperties properties = new SshConnectionProperties(); properties.setHost(server); properties.setPort( 22 ); properties.setPrefPublicKey( "ssh-dss" ); // Connect to the host ssh.connect(properties, new AlwaysAllowingConsoleKnownHostsKeyVerification()); // # Æнº¿öµå¸¦ ÀÌ¿ëÇÑ ÀÎÁõ Á¢¼Ó // ------------------------------------------------------------ // PasswordAuthenticationClient authClient = new PasswordAuthenticationClient(); // authClient.setUsername(userid); // authClient.setPassword(password); // ------------------------------------------------------------ // # Æнº¿öµå ¾øÀÌ °ø°³Å°¸¦ ÀÌ¿ëÇÑ ÀÎÁõ Á¢¼Ó // ------------------------------------------------------------ // Initialize the authentication data. PublicKeyAuthenticationClient authClient = new PublicKeyAuthenticationClient(); // »ç¿ëÀÚ °èÁ¤ authClient.setUsername(userid); // id_rsa ÆÄÀÏ À§Ä¡ SshPrivateKeyFile file = SshPrivateKeyFile.parse( new File( "/home/userid/.ssh/id_rsa" )); SshPrivateKey privateKey = file.toPrivateKey( null ); authClient.setKey( privateKey ); // ------------------------------------------------------------ int result = ssh.authenticate(authClient); if (result != AuthenticationProtocolState.COMPLETE) { throw new Exception( "Login failed" ); } // SSH Å͹̳ΠĿ¸Çµå ½ÇÇà¿ë session = ssh.openSessionChannel(); session.requestPseudoTerminal( "vt100" , 80 , 25 , 0 , 0 , "" ); session.startShell(); } catch (Exception e) { e.printStackTrace(); log.error(e); throw e; } } /* * Ä¿¸Çµå ½ÇÇà ÇÔ¼ö(ex : ls -l\n) */ public String exec(String cmd) throws Exception { StringBuffer returnValue = null ; boolean promptReturned = false ; byte [] buffer = null ; OutputStream out = null ; InputStream in = null ; int read; String response = null ; int i = 0 ; try { if (session == null ) { log.error( "Session is not connected!" ); throw new Exception( "Session is not connected!" ); } out = session.getOutputStream(); cmd = cmd+ "\n" ; // Çà´ÜÀ§ ¸í·ÉÀ» À§ÇØ \n Ãß°¡ out.write(cmd.getBytes()); out.flush(); in = session.getInputStream(); buffer = new byte [ 255 ]; returnValue = new StringBuffer( 300 ); while (promptReturned == false && (read = in.read(buffer))> 0 ) { response = new String(buffer, 0 , read); if (i == 1 ) returnValue.append(response.toString()); if (!StringUtils.isEmpty(response) && response.indexOf( this .hostPrompt) >= 0 ) { ++i; if (i >= 2 ) { promptReturned = true ; } } } log.error( "returnValue : " + returnValue.toString()); } catch (Exception e) { e.printStackTrace(); log.error(e); } return returnValue.toString(); } public boolean isClosed() throws Exception { boolean rtn = true ; try { if (session != null ) rtn = session.isClosed(); } catch (Exception e) { e.printStackTrace(); log.error(e); } return rtn; } public boolean logout() throws Exception { boolean rtn = false ; try { if (session != null ) { session.getOutputStream().write( "exit\n" .getBytes()); session.close(); } if (ssh != null ) ssh.disconnect(); rtn = true ; } catch (Exception e) { e.printStackTrace(); log.error(e); } return rtn; } public String getHostprompt() { return this .hostPrompt; } public void setHostprompt(String hostPrompt) { this .hostPrompt = hostPrompt; } public static void main(String[] args) { try { J2sshCient jsclient = new J2sshCient( "192.168.1.10" , "userid" , "password" ); jsclient.setHostprompt( "> " ); String result = jsclient.exec( "ls -al" ); System.out.println( "jsclient.exec :" + result); jsclient.logout(); System.out.println( "isClosed : " + jsclient.isClosed()); } catch (Exception e) { System.out.println(e); } } } |
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j2ssh-userguide-workingdraft-07.pdf