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d925dcd8a5
[auth.c hostfile.c hostfile.h ssh.c ssh_config.5 sshconnect.c]
[sshconnect.h sshconnect2.c]
automatically order the hostkeys requested by the client based on
which hostkeys are already recorded in known_hosts. This avoids
hostkey warnings when connecting to servers with new ECDSA keys
that are preferred by default; with markus@
76 lines
2.6 KiB
C
76 lines
2.6 KiB
C
/* $OpenBSD: sshconnect.h,v 1.27 2010/11/29 23:45:51 djm Exp $ */
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/*
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* Copyright (c) 2000 Markus Friedl. 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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typedef struct Sensitive Sensitive;
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struct Sensitive {
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Key **keys;
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int nkeys;
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int external_keysign;
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};
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int
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ssh_connect(const char *, struct sockaddr_storage *, u_short, int, int,
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int *, int, int, const char *);
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void ssh_kill_proxy_command(void);
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void ssh_login(Sensitive *, const char *, struct sockaddr *, u_short,
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struct passwd *, int);
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void ssh_exchange_identification(int);
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int verify_host_key(char *, struct sockaddr *, Key *);
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void get_hostfile_hostname_ipaddr(char *, struct sockaddr *, u_short,
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char **, char **);
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void ssh_kex(char *, struct sockaddr *);
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void ssh_kex2(char *, struct sockaddr *, u_short);
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void ssh_userauth1(const char *, const char *, char *, Sensitive *);
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void ssh_userauth2(const char *, const char *, char *, Sensitive *);
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void ssh_put_password(char *);
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int ssh_local_cmd(const char *);
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/*
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* Macros to raise/lower permissions.
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*/
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#define PRIV_START do { \
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int save_errno = errno; \
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if (seteuid(original_effective_uid) != 0) \
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fatal("PRIV_START: seteuid: %s", \
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strerror(errno)); \
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errno = save_errno; \
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} while (0)
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#define PRIV_END do { \
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int save_errno = errno; \
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if (seteuid(original_real_uid) != 0) \
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fatal("PRIV_END: seteuid: %s", \
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strerror(errno)); \
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errno = save_errno; \
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} while (0)
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