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1 | /* $OpenBSD: monitor.h,v 1.4 2002/05/12 23:53:45 djm Exp $ */ |
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2 | |
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3 | /* |
| 4 | * Copyright 2002 Niels Provos <provos@citi.umich.edu> |
| 5 | * All rights reserved. |
| 6 | * |
| 7 | * Redistribution and use in source and binary forms, with or without |
| 8 | * modification, are permitted provided that the following conditions |
| 9 | * are met: |
| 10 | * 1. Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer. |
| 12 | * 2. Redistributions in binary form must reproduce the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer in the |
| 14 | * documentation and/or other materials provided with the distribution. |
| 15 | * |
| 16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 17 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 18 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 19 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 20 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 21 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 22 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 23 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 24 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 25 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 26 | */ |
| 27 | |
| 28 | #ifndef _MONITOR_H_ |
| 29 | #define _MONITOR_H_ |
| 30 | |
| 31 | enum monitor_reqtype { |
| 32 | MONITOR_REQ_MODULI, MONITOR_ANS_MODULI, |
| 33 | MONITOR_REQ_FREE, MONITOR_REQ_AUTHSERV, |
| 34 | MONITOR_REQ_SIGN, MONITOR_ANS_SIGN, |
| 35 | MONITOR_REQ_PWNAM, MONITOR_ANS_PWNAM, |
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36 | MONITOR_REQ_AUTH2_READ_BANNER, MONITOR_ANS_AUTH2_READ_BANNER, |
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37 | MONITOR_REQ_AUTHPASSWORD, MONITOR_ANS_AUTHPASSWORD, |
| 38 | MONITOR_REQ_BSDAUTHQUERY, MONITOR_ANS_BSDAUTHQUERY, |
| 39 | MONITOR_REQ_BSDAUTHRESPOND, MONITOR_ANS_BSDAUTHRESPOND, |
| 40 | MONITOR_REQ_SKEYQUERY, MONITOR_ANS_SKEYQUERY, |
| 41 | MONITOR_REQ_SKEYRESPOND, MONITOR_ANS_SKEYRESPOND, |
| 42 | MONITOR_REQ_KEYALLOWED, MONITOR_ANS_KEYALLOWED, |
| 43 | MONITOR_REQ_KEYVERIFY, MONITOR_ANS_KEYVERIFY, |
| 44 | MONITOR_REQ_KEYEXPORT, |
| 45 | MONITOR_REQ_PTY, MONITOR_ANS_PTY, |
| 46 | MONITOR_REQ_PTYCLEANUP, |
| 47 | MONITOR_REQ_SESSKEY, MONITOR_ANS_SESSKEY, |
| 48 | MONITOR_REQ_SESSID, |
| 49 | MONITOR_REQ_RSAKEYALLOWED, MONITOR_ANS_RSAKEYALLOWED, |
| 50 | MONITOR_REQ_RSACHALLENGE, MONITOR_ANS_RSACHALLENGE, |
| 51 | MONITOR_REQ_RSARESPONSE, MONITOR_ANS_RSARESPONSE, |
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52 | MONITOR_REQ_PAM_START, |
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53 | MONITOR_REQ_TERM, |
| 54 | }; |
| 55 | |
| 56 | struct mm_master; |
| 57 | struct monitor { |
| 58 | int m_recvfd; |
| 59 | int m_sendfd; |
| 60 | struct mm_master *m_zback; |
| 61 | struct mm_master *m_zlib; |
| 62 | struct Kex **m_pkex; |
| 63 | int m_pid; |
| 64 | }; |
| 65 | |
| 66 | struct monitor *monitor_init(void); |
| 67 | void monitor_reinit(struct monitor *); |
| 68 | void monitor_sync(struct monitor *); |
| 69 | |
| 70 | struct Authctxt; |
| 71 | struct Authctxt *monitor_child_preauth(struct monitor *); |
| 72 | void monitor_child_postauth(struct monitor *); |
| 73 | |
| 74 | struct mon_table; |
| 75 | int monitor_read(struct monitor*, struct mon_table *, struct mon_table **); |
| 76 | |
| 77 | /* Prototypes for request sending and receiving */ |
| 78 | void mm_request_send(int, enum monitor_reqtype, Buffer *); |
| 79 | void mm_request_receive(int, Buffer *); |
| 80 | void mm_request_receive_expect(int, enum monitor_reqtype, Buffer *); |
| 81 | |
| 82 | #endif /* _MONITOR_H_ */ |
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