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annotate src/ch/ethz/ssh2/ServerAuthenticationCallback.java @ 435:9c6a269fabb5 stable-1.9.2
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| author | Carl Byington <carl@five-ten-sg.com> |
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| date | Thu, 09 Apr 2015 11:32:38 -0700 |
| parents | 071eccdff8ea |
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| rev | line source |
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1 /* |
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2 * Copyright (c) 2012-2013 Christian Plattner. All rights reserved. |
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3 * Please refer to the LICENSE.txt for licensing details. |
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4 */ |
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5 |
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6 package ch.ethz.ssh2; |
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7 |
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8 /** |
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9 * A callback used during the authentication phase (see RFC 4252) when |
| 307 | 10 * implementing a SSH server. |
| 11 * | |
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12 * @author Christian Plattner |
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13 * @version 2.50, 03/15/10 |
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14 */ |
| 307 | 15 public interface ServerAuthenticationCallback { |
| 16 /** | |
| 17 * The method name for host-based authentication. | |
| 18 */ | |
| 19 public final String METHOD_HOSTBASED = "hostbased"; | |
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20 |
| 307 | 21 /** |
| 22 * The method name for public-key authentication. | |
| 23 */ | |
| 24 public final String METHOD_PUBLICKEY = "publickey"; | |
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25 |
| 307 | 26 /** |
| 27 * The method name for password authentication. | |
| 28 */ | |
| 29 public final String METHOD_PASSWORD = "password"; | |
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30 |
| 307 | 31 /** |
| 32 * Called when the client enters authentication. | |
| 33 * This gives you the chance to set a custom authentication banner | |
| 34 * for this SSH-2 session. This is the first method called in this interface. | |
| 35 * It will only called at most once per <code>ServerConnection</code>. | |
| 36 * | |
| 37 * @param sc The corresponding <code>ServerConnection</code> | |
| 38 * @return The authentication banner or <code>NULL</code> in case no banner should be send. | |
| 39 */ | |
| 40 public String initAuthentication(ServerConnection sc); | |
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41 |
| 307 | 42 /** |
| 43 * Return the authentication methods that are currently available to the client. | |
| 44 * Be prepared to return this information at any time during the authentication procedure. | |
| 45 * <p/> | |
| 46 * The returned name-list of 'method names' (see RFC4252) indicate the authentication methods | |
| 47 * that may productively continue the authentication dialog. | |
| 48 * </p> | |
| 49 * It is RECOMMENDED that servers only include those 'method name' | |
| 50 * values in the name-list that are actually useful. However, it is not | |
| 51 * illegal to include 'method name' values that cannot be used to | |
| 52 * authenticate the user. | |
| 53 * <p/> | |
| 54 * Already successfully completed authentications SHOULD NOT be included | |
| 55 * in the name-list, unless they should be performed again for some reason. | |
| 56 * | |
| 57 * @see #METHOD_HOSTBASED | |
| 58 * @see #METHOD_PASSWORD | |
| 59 * @see #METHOD_PUBLICKEY | |
| 60 * | |
| 61 * @param sc | |
| 62 * @return A list of method names. | |
| 63 */ | |
| 64 public String[] getRemainingAuthMethods(ServerConnection sc); | |
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65 |
| 307 | 66 /** |
| 67 * Typically, this will be called be the client to get the list of | |
| 68 * authentication methods that can continue. You should simply return | |
| 69 * {@link AuthenticationResult#FAILURE}. | |
| 70 * | |
| 71 * @param sc | |
| 72 * @param username Name of the user that wants to log in with the "none" method. | |
| 73 * @return | |
| 74 */ | |
| 75 public AuthenticationResult authenticateWithNone(ServerConnection sc, String username); | |
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76 |
| 307 | 77 public AuthenticationResult authenticateWithPassword(ServerConnection sc, String username, String password); |
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78 |
| 307 | 79 /** |
| 80 * NOTE: Not implemented yet. | |
| 81 * | |
| 82 * @param sc | |
| 83 * @param username | |
| 84 * @param algorithm | |
| 85 * @param publickey | |
| 86 * @param signature | |
| 87 * @return | |
| 88 */ | |
| 89 public AuthenticationResult authenticateWithPublicKey(ServerConnection sc, String username, String algorithm, | |
| 90 byte[] publickey, byte[] signature); | |
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91 } |