1 /* $OpenBSD: monitor.h,v 1.6 2002/06/11 05:46:20 mpech Exp $ */ 2 /* $FreeBSD$ */ 3 4 /* 5 * Copyright 2002 Niels Provos <provos@citi.umich.edu> 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #ifndef _MONITOR_H_ 30 #define _MONITOR_H_ 31 32 enum monitor_reqtype { 33 MONITOR_REQ_MODULI, MONITOR_ANS_MODULI, 34 MONITOR_REQ_FREE, MONITOR_REQ_AUTHSERV, 35 MONITOR_REQ_SIGN, MONITOR_ANS_SIGN, 36 MONITOR_REQ_PWNAM, MONITOR_ANS_PWNAM, 37 MONITOR_REQ_AUTH2_READ_BANNER, MONITOR_ANS_AUTH2_READ_BANNER, 38 MONITOR_REQ_AUTHPASSWORD, MONITOR_ANS_AUTHPASSWORD, 39 MONITOR_REQ_BSDAUTHQUERY, MONITOR_ANS_BSDAUTHQUERY, 40 MONITOR_REQ_BSDAUTHRESPOND, MONITOR_ANS_BSDAUTHRESPOND, 41 MONITOR_REQ_SKEYQUERY, MONITOR_ANS_SKEYQUERY, 42 MONITOR_REQ_SKEYRESPOND, MONITOR_ANS_SKEYRESPOND, 43 MONITOR_REQ_KEYALLOWED, MONITOR_ANS_KEYALLOWED, 44 MONITOR_REQ_KEYVERIFY, MONITOR_ANS_KEYVERIFY, 45 MONITOR_REQ_KEYEXPORT, 46 MONITOR_REQ_PTY, MONITOR_ANS_PTY, 47 MONITOR_REQ_PTYCLEANUP, 48 MONITOR_REQ_SESSKEY, MONITOR_ANS_SESSKEY, 49 MONITOR_REQ_SESSID, 50 MONITOR_REQ_RSAKEYALLOWED, MONITOR_ANS_RSAKEYALLOWED, 51 MONITOR_REQ_RSACHALLENGE, MONITOR_ANS_RSACHALLENGE, 52 MONITOR_REQ_RSARESPONSE, MONITOR_ANS_RSARESPONSE, 53 MONITOR_REQ_PAM_START, 54 MONITOR_REQ_PAM_INIT_CTX, MONITOR_ANS_PAM_INIT_CTX, 55 MONITOR_REQ_PAM_QUERY, MONITOR_ANS_PAM_QUERY, 56 MONITOR_REQ_PAM_RESPOND, MONITOR_ANS_PAM_RESPOND, 57 MONITOR_REQ_PAM_FREE_CTX, MONITOR_ANS_PAM_FREE_CTX, 58 MONITOR_REQ_TERM 59 }; 60 61 struct mm_master; 62 struct monitor { 63 int m_recvfd; 64 int m_sendfd; 65 struct mm_master *m_zback; 66 struct mm_master *m_zlib; 67 struct Kex **m_pkex; 68 pid_t m_pid; 69 }; 70 71 struct monitor *monitor_init(void); 72 void monitor_reinit(struct monitor *); 73 void monitor_sync(struct monitor *); 74 75 struct Authctxt; 76 struct Authctxt *monitor_child_preauth(struct monitor *); 77 void monitor_child_postauth(struct monitor *); 78 79 struct mon_table; 80 int monitor_read(struct monitor*, struct mon_table *, struct mon_table **); 81 82 /* Prototypes for request sending and receiving */ 83 void mm_request_send(int, enum monitor_reqtype, Buffer *); 84 void mm_request_receive(int, Buffer *); 85 void mm_request_receive_expect(int, enum monitor_reqtype, Buffer *); 86 87 #endif /* _MONITOR_H_ */ 88