markus@openbsd.org | 235c7c4 | 2018-07-09 21:53:45 +0000 | [diff] [blame] | 1 | /* $OpenBSD: monitor.h,v 1.21 2018/07/09 21:53:45 markus Exp $ */ |
Ben Lindstrom | 28364ec | 2002-03-26 03:42:20 +0000 | [diff] [blame] | 2 | |
Ben Lindstrom | 7a2073c | 2002-03-22 02:30:41 +0000 | [diff] [blame] | 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 | |
Damien Miller | 15b05cf | 2012-12-03 09:53:20 +1100 | [diff] [blame] | 31 | /* Please keep *_REQ_* values on even numbers and *_ANS_* on odd numbers */ |
Ben Lindstrom | 7a2073c | 2002-03-22 02:30:41 +0000 | [diff] [blame] | 32 | enum monitor_reqtype { |
Damien Miller | 15b05cf | 2012-12-03 09:53:20 +1100 | [diff] [blame] | 33 | MONITOR_REQ_MODULI = 0, MONITOR_ANS_MODULI = 1, |
| 34 | MONITOR_REQ_FREE = 2, |
| 35 | MONITOR_REQ_AUTHSERV = 4, |
| 36 | MONITOR_REQ_SIGN = 6, MONITOR_ANS_SIGN = 7, |
| 37 | MONITOR_REQ_PWNAM = 8, MONITOR_ANS_PWNAM = 9, |
| 38 | MONITOR_REQ_AUTH2_READ_BANNER = 10, MONITOR_ANS_AUTH2_READ_BANNER = 11, |
| 39 | MONITOR_REQ_AUTHPASSWORD = 12, MONITOR_ANS_AUTHPASSWORD = 13, |
| 40 | MONITOR_REQ_BSDAUTHQUERY = 14, MONITOR_ANS_BSDAUTHQUERY = 15, |
| 41 | MONITOR_REQ_BSDAUTHRESPOND = 16, MONITOR_ANS_BSDAUTHRESPOND = 17, |
Damien Miller | 15b05cf | 2012-12-03 09:53:20 +1100 | [diff] [blame] | 42 | MONITOR_REQ_KEYALLOWED = 22, MONITOR_ANS_KEYALLOWED = 23, |
| 43 | MONITOR_REQ_KEYVERIFY = 24, MONITOR_ANS_KEYVERIFY = 25, |
| 44 | MONITOR_REQ_KEYEXPORT = 26, |
| 45 | MONITOR_REQ_PTY = 28, MONITOR_ANS_PTY = 29, |
| 46 | MONITOR_REQ_PTYCLEANUP = 30, |
| 47 | MONITOR_REQ_SESSKEY = 32, MONITOR_ANS_SESSKEY = 33, |
| 48 | MONITOR_REQ_SESSID = 34, |
| 49 | MONITOR_REQ_RSAKEYALLOWED = 36, MONITOR_ANS_RSAKEYALLOWED = 37, |
| 50 | MONITOR_REQ_RSACHALLENGE = 38, MONITOR_ANS_RSACHALLENGE = 39, |
| 51 | MONITOR_REQ_RSARESPONSE = 40, MONITOR_ANS_RSARESPONSE = 41, |
| 52 | MONITOR_REQ_GSSSETUP = 42, MONITOR_ANS_GSSSETUP = 43, |
| 53 | MONITOR_REQ_GSSSTEP = 44, MONITOR_ANS_GSSSTEP = 45, |
| 54 | MONITOR_REQ_GSSUSEROK = 46, MONITOR_ANS_GSSUSEROK = 47, |
| 55 | MONITOR_REQ_GSSCHECKMIC = 48, MONITOR_ANS_GSSCHECKMIC = 49, |
| 56 | MONITOR_REQ_TERM = 50, |
Damien Miller | 15b05cf | 2012-12-03 09:53:20 +1100 | [diff] [blame] | 57 | |
| 58 | MONITOR_REQ_PAM_START = 100, |
| 59 | MONITOR_REQ_PAM_ACCOUNT = 102, MONITOR_ANS_PAM_ACCOUNT = 103, |
| 60 | MONITOR_REQ_PAM_INIT_CTX = 104, MONITOR_ANS_PAM_INIT_CTX = 105, |
| 61 | MONITOR_REQ_PAM_QUERY = 106, MONITOR_ANS_PAM_QUERY = 107, |
| 62 | MONITOR_REQ_PAM_RESPOND = 108, MONITOR_ANS_PAM_RESPOND = 109, |
| 63 | MONITOR_REQ_PAM_FREE_CTX = 110, MONITOR_ANS_PAM_FREE_CTX = 111, |
| 64 | MONITOR_REQ_AUDIT_EVENT = 112, MONITOR_REQ_AUDIT_COMMAND = 113, |
| 65 | |
Ben Lindstrom | 7a2073c | 2002-03-22 02:30:41 +0000 | [diff] [blame] | 66 | }; |
| 67 | |
Ben Lindstrom | 7a2073c | 2002-03-22 02:30:41 +0000 | [diff] [blame] | 68 | struct monitor { |
| 69 | int m_recvfd; |
| 70 | int m_sendfd; |
Damien Miller | 8f0bf23 | 2011-06-20 14:42:23 +1000 | [diff] [blame] | 71 | int m_log_recvfd; |
| 72 | int m_log_sendfd; |
markus@openbsd.org | 091c302 | 2015-01-19 19:52:16 +0000 | [diff] [blame] | 73 | struct kex **m_pkex; |
Ben Lindstrom | ce0f634 | 2002-06-11 16:42:49 +0000 | [diff] [blame] | 74 | pid_t m_pid; |
Ben Lindstrom | 7a2073c | 2002-03-22 02:30:41 +0000 | [diff] [blame] | 75 | }; |
| 76 | |
| 77 | struct monitor *monitor_init(void); |
| 78 | void monitor_reinit(struct monitor *); |
Ben Lindstrom | 7a2073c | 2002-03-22 02:30:41 +0000 | [diff] [blame] | 79 | |
| 80 | struct Authctxt; |
Darren Tucker | 3e33cec | 2003-10-02 16:12:36 +1000 | [diff] [blame] | 81 | void monitor_child_preauth(struct Authctxt *, struct monitor *); |
Ben Lindstrom | 7a2073c | 2002-03-22 02:30:41 +0000 | [diff] [blame] | 82 | void monitor_child_postauth(struct monitor *); |
| 83 | |
| 84 | struct mon_table; |
| 85 | int monitor_read(struct monitor*, struct mon_table *, struct mon_table **); |
| 86 | |
| 87 | /* Prototypes for request sending and receiving */ |
markus@openbsd.org | 235c7c4 | 2018-07-09 21:53:45 +0000 | [diff] [blame] | 88 | void mm_request_send(int, enum monitor_reqtype, struct sshbuf *); |
| 89 | void mm_request_receive(int, struct sshbuf *); |
| 90 | void mm_request_receive_expect(int, enum monitor_reqtype, struct sshbuf *); |
Ben Lindstrom | 7a2073c | 2002-03-22 02:30:41 +0000 | [diff] [blame] | 91 | |
| 92 | #endif /* _MONITOR_H_ */ |