1d059297112922cabb0c674840589be8db821fd9aAdam Langley/* $OpenBSD: monitor.h,v 1.19 2015/01/19 19:52:16 markus Exp $ */ 2bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman 3bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman/* 4bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman * Copyright 2002 Niels Provos <provos@citi.umich.edu> 5bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman * All rights reserved. 6bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman * 7bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman * Redistribution and use in source and binary forms, with or without 8bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman * modification, are permitted provided that the following conditions 9bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman * are met: 10bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman * 1. Redistributions of source code must retain the above copyright 11bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman * notice, this list of conditions and the following disclaimer. 12bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman * 2. Redistributions in binary form must reproduce the above copyright 13bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman * notice, this list of conditions and the following disclaimer in the 14bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman * documentation and/or other materials provided with the distribution. 15bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman * 16bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman */ 27bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman 28bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman#ifndef _MONITOR_H_ 29bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman#define _MONITOR_H_ 30bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman 31d059297112922cabb0c674840589be8db821fd9aAdam Langley/* Please keep *_REQ_* values on even numbers and *_ANS_* on odd numbers */ 32bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartmanenum monitor_reqtype { 33d059297112922cabb0c674840589be8db821fd9aAdam Langley MONITOR_REQ_MODULI = 0, MONITOR_ANS_MODULI = 1, 34d059297112922cabb0c674840589be8db821fd9aAdam Langley MONITOR_REQ_FREE = 2, 35d059297112922cabb0c674840589be8db821fd9aAdam Langley MONITOR_REQ_AUTHSERV = 4, 36d059297112922cabb0c674840589be8db821fd9aAdam Langley MONITOR_REQ_SIGN = 6, MONITOR_ANS_SIGN = 7, 37d059297112922cabb0c674840589be8db821fd9aAdam Langley MONITOR_REQ_PWNAM = 8, MONITOR_ANS_PWNAM = 9, 38d059297112922cabb0c674840589be8db821fd9aAdam Langley MONITOR_REQ_AUTH2_READ_BANNER = 10, MONITOR_ANS_AUTH2_READ_BANNER = 11, 39d059297112922cabb0c674840589be8db821fd9aAdam Langley MONITOR_REQ_AUTHPASSWORD = 12, MONITOR_ANS_AUTHPASSWORD = 13, 40d059297112922cabb0c674840589be8db821fd9aAdam Langley MONITOR_REQ_BSDAUTHQUERY = 14, MONITOR_ANS_BSDAUTHQUERY = 15, 41d059297112922cabb0c674840589be8db821fd9aAdam Langley MONITOR_REQ_BSDAUTHRESPOND = 16, MONITOR_ANS_BSDAUTHRESPOND = 17, 42d059297112922cabb0c674840589be8db821fd9aAdam Langley MONITOR_REQ_SKEYQUERY = 18, MONITOR_ANS_SKEYQUERY = 19, 43d059297112922cabb0c674840589be8db821fd9aAdam Langley MONITOR_REQ_SKEYRESPOND = 20, MONITOR_ANS_SKEYRESPOND = 21, 44d059297112922cabb0c674840589be8db821fd9aAdam Langley MONITOR_REQ_KEYALLOWED = 22, MONITOR_ANS_KEYALLOWED = 23, 45d059297112922cabb0c674840589be8db821fd9aAdam Langley MONITOR_REQ_KEYVERIFY = 24, MONITOR_ANS_KEYVERIFY = 25, 46d059297112922cabb0c674840589be8db821fd9aAdam Langley MONITOR_REQ_KEYEXPORT = 26, 47d059297112922cabb0c674840589be8db821fd9aAdam Langley MONITOR_REQ_PTY = 28, MONITOR_ANS_PTY = 29, 48d059297112922cabb0c674840589be8db821fd9aAdam Langley MONITOR_REQ_PTYCLEANUP = 30, 49d059297112922cabb0c674840589be8db821fd9aAdam Langley MONITOR_REQ_SESSKEY = 32, MONITOR_ANS_SESSKEY = 33, 50d059297112922cabb0c674840589be8db821fd9aAdam Langley MONITOR_REQ_SESSID = 34, 51d059297112922cabb0c674840589be8db821fd9aAdam Langley MONITOR_REQ_RSAKEYALLOWED = 36, MONITOR_ANS_RSAKEYALLOWED = 37, 52d059297112922cabb0c674840589be8db821fd9aAdam Langley MONITOR_REQ_RSACHALLENGE = 38, MONITOR_ANS_RSACHALLENGE = 39, 53d059297112922cabb0c674840589be8db821fd9aAdam Langley MONITOR_REQ_RSARESPONSE = 40, MONITOR_ANS_RSARESPONSE = 41, 54d059297112922cabb0c674840589be8db821fd9aAdam Langley MONITOR_REQ_GSSSETUP = 42, MONITOR_ANS_GSSSETUP = 43, 55d059297112922cabb0c674840589be8db821fd9aAdam Langley MONITOR_REQ_GSSSTEP = 44, MONITOR_ANS_GSSSTEP = 45, 56d059297112922cabb0c674840589be8db821fd9aAdam Langley MONITOR_REQ_GSSUSEROK = 46, MONITOR_ANS_GSSUSEROK = 47, 57d059297112922cabb0c674840589be8db821fd9aAdam Langley MONITOR_REQ_GSSCHECKMIC = 48, MONITOR_ANS_GSSCHECKMIC = 49, 58d059297112922cabb0c674840589be8db821fd9aAdam Langley MONITOR_REQ_TERM = 50, 59d059297112922cabb0c674840589be8db821fd9aAdam Langley 60d059297112922cabb0c674840589be8db821fd9aAdam Langley MONITOR_REQ_PAM_START = 100, 61d059297112922cabb0c674840589be8db821fd9aAdam Langley MONITOR_REQ_PAM_ACCOUNT = 102, MONITOR_ANS_PAM_ACCOUNT = 103, 62d059297112922cabb0c674840589be8db821fd9aAdam Langley MONITOR_REQ_PAM_INIT_CTX = 104, MONITOR_ANS_PAM_INIT_CTX = 105, 63d059297112922cabb0c674840589be8db821fd9aAdam Langley MONITOR_REQ_PAM_QUERY = 106, MONITOR_ANS_PAM_QUERY = 107, 64d059297112922cabb0c674840589be8db821fd9aAdam Langley MONITOR_REQ_PAM_RESPOND = 108, MONITOR_ANS_PAM_RESPOND = 109, 65d059297112922cabb0c674840589be8db821fd9aAdam Langley MONITOR_REQ_PAM_FREE_CTX = 110, MONITOR_ANS_PAM_FREE_CTX = 111, 66d059297112922cabb0c674840589be8db821fd9aAdam Langley MONITOR_REQ_AUDIT_EVENT = 112, MONITOR_REQ_AUDIT_COMMAND = 113, 67d059297112922cabb0c674840589be8db821fd9aAdam Langley 68bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman}; 69bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman 70bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartmanstruct mm_master; 71bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartmanstruct monitor { 72bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman int m_recvfd; 73bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman int m_sendfd; 74bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman int m_log_recvfd; 75bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman int m_log_sendfd; 76bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman struct mm_master *m_zback; 77bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman struct mm_master *m_zlib; 78d059297112922cabb0c674840589be8db821fd9aAdam Langley struct kex **m_pkex; 79bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman pid_t m_pid; 80bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman}; 81bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman 82bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartmanstruct monitor *monitor_init(void); 83bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartmanvoid monitor_reinit(struct monitor *); 84bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartmanvoid monitor_sync(struct monitor *); 85bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman 86bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartmanstruct Authctxt; 87bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartmanvoid monitor_child_preauth(struct Authctxt *, struct monitor *); 88bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartmanvoid monitor_child_postauth(struct monitor *); 89bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman 90bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartmanstruct mon_table; 91bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartmanint monitor_read(struct monitor*, struct mon_table *, struct mon_table **); 92bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman 93bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman/* Prototypes for request sending and receiving */ 94bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartmanvoid mm_request_send(int, enum monitor_reqtype, Buffer *); 95bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartmanvoid mm_request_receive(int, Buffer *); 96bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartmanvoid mm_request_receive_expect(int, enum monitor_reqtype, Buffer *); 97bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman 98bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman#endif /* _MONITOR_H_ */ 99