Mercurial > dropbear
annotate auth.h @ 121:9337c9f9a607 private-rez
PAM improvements
author | Matt Johnston <matt@ucc.asn.au> |
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date | Tue, 14 Sep 2004 12:51:16 +0000 |
parents | 3b2a5a1c4347 |
children | aad4b3f58556 |
rev | line source |
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1 /* |
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2 * Dropbear - a SSH2 server |
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3 * |
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4 * Copyright (c) 2002,2003 Matt Johnston |
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5 * All rights reserved. |
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6 * |
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7 * Permission is hereby granted, free of charge, to any person obtaining a copy |
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8 * of this software and associated documentation files (the "Software"), to deal |
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9 * in the Software without restriction, including without limitation the rights |
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10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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11 * copies of the Software, and to permit persons to whom the Software is |
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12 * furnished to do so, subject to the following conditions: |
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13 * |
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14 * The above copyright notice and this permission notice shall be included in |
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15 * all copies or substantial portions of the Software. |
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16 * |
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17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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20 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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23 * SOFTWARE. */ |
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24 |
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25 #ifndef _AUTH_H_ |
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26 #define _AUTH_H_ |
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27 |
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28 #include "includes.h" |
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29 |
33 | 30 void svr_authinitialise(); |
31 void cli_authinitialise(); | |
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32 |
33 | 33 /* Server functions */ |
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34 void recv_msg_userauth_request(); |
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35 void send_msg_userauth_failure(int partial, int incrfail); |
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36 void send_msg_userauth_success(); |
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37 void svr_auth_password(); |
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38 void svr_auth_pubkey(); |
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39 void svr_auth_pam(); |
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40 |
33 | 41 /* Client functions */ |
42 void recv_msg_userauth_failure(); | |
43 void recv_msg_userauth_success(); | |
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44 void recv_msg_userauth_pk_ok(); |
33 | 45 void cli_get_user(); |
46 void cli_auth_getmethods(); | |
47 void cli_auth_try(); | |
43 | 48 void recv_msg_userauth_banner(); |
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49 void cli_pubkeyfail(); |
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50 int cli_auth_password(); |
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51 int cli_auth_pubkey(); |
33 | 52 |
53 | |
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54 #define MAX_USERNAME_LEN 25 /* arbitrary for the moment */ |
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55 |
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56 #define AUTH_TYPE_PUBKEY 1 << 0 |
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57 #define AUTH_TYPE_PASSWORD 1 << 1 |
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58 |
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59 /* auth types, "none" means we should return list of acceptable types */ |
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60 #define AUTH_METHOD_NONE "none" |
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61 #define AUTH_METHOD_NONE_LEN 4 |
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62 #define AUTH_METHOD_PUBKEY "publickey" |
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63 #define AUTH_METHOD_PUBKEY_LEN 9 |
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64 #define AUTH_METHOD_PASSWORD "password" |
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65 #define AUTH_METHOD_PASSWORD_LEN 8 |
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66 |
33 | 67 /* This structure is shared between server and client - it contains |
68 * relatively little extraneous bits when used for the client rather than the | |
69 * server */ | |
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70 struct AuthState { |
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71 |
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72 char *username; /* This is the username the client presents to check. It |
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73 is updated each run through, used for auth checking */ |
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74 unsigned char authtypes; /* Flags indicating which auth types are still |
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75 valid */ |
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76 unsigned int failcount; /* Number of (failed) authentication attempts.*/ |
33 | 77 unsigned authdone : 1; /* 0 if we haven't authed, 1 if we have. Applies for |
78 client and server (though has differing [obvious] | |
79 meanings). */ | |
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80 |
33 | 81 /* These are only used for the server */ |
82 char *printableuser; /* stripped of control chars, used for logs etc */ | |
83 struct passwd * pw; | |
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84 |
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85 }; |
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86 |
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87 struct PubkeyList; |
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88 /* A singly linked list of pubkeys */ |
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89 struct PubkeyList { |
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90 |
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91 sign_key *key; |
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92 int type; /* The type of key */ |
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93 struct PubkeyList *next; |
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94 /* filename? or the buffer? for encrypted keys, so we can later get |
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95 * the private key portion */ |
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96 |
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97 }; |
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98 |
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99 #endif /* _AUTH_H_ */ |