1 /* $OpenBSD: monitor.h,v 1.16 2011/06/17 21:44:31 djm Exp $ */ 2 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, 36 MONITOR_REQ_AUTH2_READ_BANNER, MONITOR_ANS_AUTH2_READ_BANNER, 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, 52 MONITOR_REQ_GSSSETUP, MONITOR_ANS_GSSSETUP, 53 MONITOR_REQ_GSSSTEP, MONITOR_ANS_GSSSTEP, 54 MONITOR_REQ_GSSUSEROK, MONITOR_ANS_GSSUSEROK, 55 MONITOR_REQ_GSSCHECKMIC, MONITOR_ANS_GSSCHECKMIC, 56 MONITOR_REQ_PAM_START, 57 MONITOR_REQ_PAM_ACCOUNT, MONITOR_ANS_PAM_ACCOUNT, 58 MONITOR_REQ_PAM_INIT_CTX, MONITOR_ANS_PAM_INIT_CTX, 59 MONITOR_REQ_PAM_QUERY, MONITOR_ANS_PAM_QUERY, 60 MONITOR_REQ_PAM_RESPOND, MONITOR_ANS_PAM_RESPOND, 61 MONITOR_REQ_PAM_FREE_CTX, MONITOR_ANS_PAM_FREE_CTX, 62 MONITOR_REQ_AUDIT_EVENT, MONITOR_REQ_AUDIT_COMMAND, 63 MONITOR_REQ_TERM, 64 MONITOR_REQ_JPAKE_STEP1, MONITOR_ANS_JPAKE_STEP1, 65 MONITOR_REQ_JPAKE_GET_PWDATA, MONITOR_ANS_JPAKE_GET_PWDATA, 66 MONITOR_REQ_JPAKE_STEP2, MONITOR_ANS_JPAKE_STEP2, 67 MONITOR_REQ_JPAKE_KEY_CONFIRM, MONITOR_ANS_JPAKE_KEY_CONFIRM, 68 MONITOR_REQ_JPAKE_CHECK_CONFIRM, MONITOR_ANS_JPAKE_CHECK_CONFIRM, 69 }; 70 71 struct mm_master; 72 struct monitor { 73 int m_recvfd; 74 int m_sendfd; 75 int m_log_recvfd; 76 int m_log_sendfd; 77 struct mm_master *m_zback; 78 struct mm_master *m_zlib; 79 struct Kex **m_pkex; 80 pid_t m_pid; 81 }; 82 83 struct monitor *monitor_init(void); 84 void monitor_reinit(struct monitor *); 85 void monitor_sync(struct monitor *); 86 87 struct Authctxt; 88 void monitor_child_preauth(struct Authctxt *, struct monitor *); 89 void monitor_child_postauth(struct monitor *); 90 91 struct mon_table; 92 int monitor_read(struct monitor*, struct mon_table *, struct mon_table **); 93 94 /* Prototypes for request sending and receiving */ 95 void mm_request_send(int, enum monitor_reqtype, Buffer *); 96 void mm_request_receive(int, Buffer *); 97 void mm_request_receive_expect(int, enum monitor_reqtype, Buffer *); 98 99 #endif /* _MONITOR_H_ */ 100