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Annotation of src/usr.bin/ssh/monitor.h, Revision 1.23

1.23    ! djm         1: /* $OpenBSD: monitor.h,v 1.22 2019/01/19 21:43:07 djm Exp $ */
1.3       stevesk     2:
1.1       provos      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:
1.17      djm        31: /* Please keep *_REQ_* values on even numbers and *_ANS_* on odd numbers */
1.1       provos     32: enum monitor_reqtype {
1.17      djm        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,
                     42:        MONITOR_REQ_SKEYQUERY = 18, MONITOR_ANS_SKEYQUERY = 19,
                     43:        MONITOR_REQ_SKEYRESPOND = 20, MONITOR_ANS_SKEYRESPOND = 21,
                     44:        MONITOR_REQ_KEYALLOWED = 22, MONITOR_ANS_KEYALLOWED = 23,
                     45:        MONITOR_REQ_KEYVERIFY = 24, MONITOR_ANS_KEYVERIFY = 25,
                     46:        MONITOR_REQ_KEYEXPORT = 26,
                     47:        MONITOR_REQ_PTY = 28, MONITOR_ANS_PTY = 29,
                     48:        MONITOR_REQ_PTYCLEANUP = 30,
                     49:        MONITOR_REQ_SESSKEY = 32, MONITOR_ANS_SESSKEY = 33,
                     50:        MONITOR_REQ_SESSID = 34,
                     51:        MONITOR_REQ_RSAKEYALLOWED = 36, MONITOR_ANS_RSAKEYALLOWED = 37,
                     52:        MONITOR_REQ_RSACHALLENGE = 38, MONITOR_ANS_RSACHALLENGE = 39,
                     53:        MONITOR_REQ_RSARESPONSE = 40, MONITOR_ANS_RSARESPONSE = 41,
                     54:        MONITOR_REQ_GSSSETUP = 42, MONITOR_ANS_GSSSETUP = 43,
                     55:        MONITOR_REQ_GSSSTEP = 44, MONITOR_ANS_GSSSTEP = 45,
                     56:        MONITOR_REQ_GSSUSEROK = 46, MONITOR_ANS_GSSUSEROK = 47,
                     57:        MONITOR_REQ_GSSCHECKMIC = 48, MONITOR_ANS_GSSCHECKMIC = 49,
                     58:        MONITOR_REQ_TERM = 50,
1.1       provos     59: };
                     60:
1.22      djm        61: struct ssh;
                     62:
1.1       provos     63: struct monitor {
                     64:        int                      m_recvfd;
                     65:        int                      m_sendfd;
1.16      djm        66:        int                      m_log_recvfd;
                     67:        int                      m_log_sendfd;
1.19      markus     68:        struct kex              **m_pkex;
1.6       mpech      69:        pid_t                    m_pid;
1.1       provos     70: };
                     71:
                     72: struct monitor *monitor_init(void);
                     73: void monitor_reinit(struct monitor *);
                     74:
                     75: struct Authctxt;
1.22      djm        76: void monitor_child_preauth(struct ssh *, struct monitor *);
                     77: void monitor_child_postauth(struct ssh *, struct monitor *);
1.1       provos     78:
1.22      djm        79: void monitor_clear_keystate(struct ssh *, struct monitor *);
                     80: void monitor_apply_keystate(struct ssh *, struct monitor *);
1.1       provos     81:
1.2       markus     82: /* Prototypes for request sending and receiving */
1.21      markus     83: void mm_request_send(int, enum monitor_reqtype, struct sshbuf *);
                     84: void mm_request_receive(int, struct sshbuf *);
                     85: void mm_request_receive_expect(int, enum monitor_reqtype, struct sshbuf *);
1.23    ! djm        86: void mm_get_keystate(struct ssh *, struct monitor *);
1.2       markus     87:
1.1       provos     88: #endif /* _MONITOR_H_ */