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317a38ab65
Some notable changes, from upstream's release notes: - sshd(8): Remove support for obsolete "host/port" syntax. - ssh(1): When prompting whether to record a new host key, accept the key fingerprint as a synonym for "yes". - ssh-keygen(1): when acting as a CA and signing certificates with an RSA key, default to using the rsa-sha2-512 signature algorithm. - ssh(1), sshd(8), ssh-keygen(1): this release removes the "ssh-rsa" (RSA/SHA1) algorithm from those accepted for certificate signatures. - ssh-sk-helper(8): this is a new binary. It is used by the FIDO/U2F support to provide address-space isolation for token middleware libraries (including the internal one). - ssh(1): this release enables UpdateHostkeys by default subject to some conservative preconditions. - scp(1): this release changes the behaviour of remote to remote copies (e.g. "scp host-a:/path host-b:") to transfer through the local host by default. - scp(1): experimental support for transfers using the SFTP protocol as a replacement for the venerable SCP/RCP protocol that it has traditionally used. Additional integration work is needed to support FIDO/U2F in the base system. Deprecation Notice ------------------ OpenSSH will disable the ssh-rsa signature scheme by default in the next release. Reviewed by: imp MFC after: 1 month Relnotes: Yes Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D29985 (cherry picked from commit19261079b7) (cherry picked from commitf448c3ed4a) (cherry picked from commit1f290c707a) (cherry picked from commit0f9bafdfc3) (cherry picked from commitadb56e58e8) (cherry picked from commit576b58108c) (cherry picked from commit1c99af1ebe) (cherry picked from commit87152f3405) (cherry picked from commit172fa4aa75)
102 lines
3.8 KiB
C
102 lines
3.8 KiB
C
/* $OpenBSD: monitor_wrap.h,v 1.47 2021/04/15 16:24:31 markus Exp $ */
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/*
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* Copyright 2002 Niels Provos <provos@citi.umich.edu>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _MM_WRAP_H_
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#define _MM_WRAP_H_
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extern int use_privsep;
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#define PRIVSEP(x) (use_privsep ? mm_##x : x)
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enum mm_keytype { MM_NOKEY, MM_HOSTKEY, MM_USERKEY };
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struct ssh;
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struct monitor;
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struct Authctxt;
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struct sshkey;
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struct sshauthopt;
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struct sshkey_sig_details;
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void mm_log_handler(LogLevel, int, const char *, void *);
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int mm_is_monitor(void);
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#ifdef WITH_OPENSSL
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DH *mm_choose_dh(int, int, int);
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#endif
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int mm_sshkey_sign(struct ssh *, struct sshkey *, u_char **, size_t *,
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const u_char *, size_t, const char *, const char *,
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const char *, u_int compat);
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void mm_inform_authserv(char *, char *);
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struct passwd *mm_getpwnamallow(struct ssh *, const char *);
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char *mm_auth2_read_banner(void);
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int mm_auth_password(struct ssh *, char *);
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int mm_key_allowed(enum mm_keytype, const char *, const char *, struct sshkey *,
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int, struct sshauthopt **);
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int mm_user_key_allowed(struct ssh *, struct passwd *, struct sshkey *, int,
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struct sshauthopt **);
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int mm_hostbased_key_allowed(struct ssh *, struct passwd *, const char *,
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const char *, struct sshkey *);
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int mm_sshkey_verify(const struct sshkey *, const u_char *, size_t,
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const u_char *, size_t, const char *, u_int, struct sshkey_sig_details **);
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#ifdef GSSAPI
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OM_uint32 mm_ssh_gssapi_server_ctx(Gssctxt **, gss_OID);
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OM_uint32 mm_ssh_gssapi_accept_ctx(Gssctxt *,
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gss_buffer_desc *, gss_buffer_desc *, OM_uint32 *);
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int mm_ssh_gssapi_userok(char *user);
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OM_uint32 mm_ssh_gssapi_checkmic(Gssctxt *, gss_buffer_t, gss_buffer_t);
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#endif
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#ifdef USE_PAM
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void mm_start_pam(struct ssh *ssh);
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u_int mm_do_pam_account(void);
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void *mm_sshpam_init_ctx(struct Authctxt *);
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int mm_sshpam_query(void *, char **, char **, u_int *, char ***, u_int **);
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int mm_sshpam_respond(void *, u_int, char **);
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void mm_sshpam_free_ctx(void *);
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#endif
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#ifdef SSH_AUDIT_EVENTS
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#include "audit.h"
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void mm_audit_event(struct ssh *, ssh_audit_event_t);
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void mm_audit_run_command(const char *);
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#endif
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struct Session;
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void mm_terminate(void);
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int mm_pty_allocate(int *, int *, char *, size_t);
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void mm_session_pty_cleanup2(struct Session *);
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/* Key export functions */
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struct newkeys *mm_newkeys_from_blob(u_char *, int);
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int mm_newkeys_to_blob(int, u_char **, u_int *);
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void mm_send_keystate(struct ssh *, struct monitor*);
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/* bsdauth */
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int mm_bsdauth_query(void *, char **, char **, u_int *, char ***, u_int **);
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int mm_bsdauth_respond(void *, u_int, char **);
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#endif /* _MM_WRAP_H_ */
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