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Commit	Line	Data
	1	/* $OpenBSD: sshconnect.h,v 1.23 2006/08/03 03:34:42 deraadt Exp $ */
	2
	3	/*
	4	* Copyright (c) 2000 Markus Friedl. All rights reserved.
	5	*
	6	* Redistribution and use in source and binary forms, with or without
	7	* modification, are permitted provided that the following conditions
	8	* are met:
	9	* 1. Redistributions of source code must retain the above copyright
	10	* notice, this list of conditions and the following disclaimer.
	11	* 2. Redistributions in binary form must reproduce the above copyright
	12	* notice, this list of conditions and the following disclaimer in the
	13	* documentation and/or other materials provided with the distribution.
	14	*
	15	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
	16	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
	17	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
	18	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
	19	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
	20	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
	21	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
	22	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	23	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
	24	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	25	*/
	26
	27	typedef struct Sensitive Sensitive;
	28	struct Sensitive {
	29	Key **keys;
	30	int nkeys;
	31	int external_keysign;
	32	};
	33
	34	int
	35	ssh_connect(const char , struct sockaddr_storage , u_short, int, int,
	36	int, const char *);
	37
	38	void
	39	ssh_login(Sensitive , const char , struct sockaddr , struct passwd );
	40
	41	int verify_host_key(char , struct sockaddr , Key *);
	42
	43	void ssh_kex(char , struct sockaddr );
	44	void ssh_kex2(char , struct sockaddr );
	45
	46	void ssh_userauth1(const char , const char , char , Sensitive );
	47	void ssh_userauth2(const char , const char , char , Sensitive );
	48
	49	void ssh_put_password(char *);
	50	int ssh_local_cmd(const char *);
	51
	52	/*
	53	* Macros to raise/lower permissions.
	54	*/
	55	#define PRIV_START do { \
	56	int save_errno = errno; \
	57	if (seteuid(original_effective_uid) != 0) \
	58	fatal("PRIV_START: seteuid: %s", \
	59	strerror(errno)); \
	60	errno = save_errno; \
	61	} while (0)
	62
	63	#define PRIV_END do { \
	64	int save_errno = errno; \
	65	if (seteuid(original_real_uid) != 0) \
	66	fatal("PRIV_END: seteuid: %s", \
	67	strerror(errno)); \
	68	errno = save_errno; \
	69	} while (0)