andersk Git - openssh.git/blame_incremental

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Commit	Line	Data
	1	/*
	2	* Copyright (c) 2002 Chris Adams. All rights reserved.
	3	*
	4	* Redistribution and use in source and binary forms, with or without
	5	* modification, are permitted provided that the following conditions
	6	* are met:
	7	* 1. Redistributions of source code must retain the above copyright
	8	* notice, this list of conditions and the following disclaimer.
	9	* 2. Redistributions in binary form must reproduce the above copyright
	10	* notice, this list of conditions and the following disclaimer in the
	11	* documentation and/or other materials provided with the distribution.
	12	*
	13	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
	14	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
	15	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
	16	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
	17	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
	18	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
	19	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
	20	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	21	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
	22	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	23	*/
	24
	25	#include "includes.h"
	26
	27	#ifdef HAVE_OSF_SIA
	28	#include "ssh.h"
	29	#include "auth.h"
	30	#include "auth-sia.h"
	31	#include "log.h"
	32	#include "servconf.h"
	33	#include "canohost.h"
	34
	35	#include <sia.h>
	36	#include <siad.h>
	37	#include <pwd.h>
	38	#include <signal.h>
	39	#include <setjmp.h>
	40	#include <sys/resource.h>
	41	#include <unistd.h>
	42	#include <string.h>
	43
	44	extern ServerOptions options;
	45	extern int saved_argc;
	46	extern char **saved_argv;
	47
	48	int
	49	auth_sia_password(Authctxt authctxt, char pass)
	50	{
	51	int ret;
	52	SIAENTITY *ent = NULL;
	53	const char *host;
	54
	55	host = get_canonical_hostname(options.verify_reverse_mapping);
	56
	57	if (!authctxt->user \|\| !pass \|\| pass[0] == '\0')
	58	return(0);
	59
	60	if (sia_ses_init(&ent, saved_argc, saved_argv, host, authctxt->user,
	61	NULL, 0, NULL) != SIASUCCESS)
	62	return(0);
	63
	64	if ((ret = sia_ses_authent(NULL, pass, ent)) != SIASUCCESS) {
	65	error("Couldn't authenticate %s from %s", authctxt->user,
	66	host);
	67	if (ret & SIASTOP)
	68	sia_ses_release(&ent);
	69	return(0);
	70	}
	71
	72	sia_ses_release(&ent);
	73
	74	return(1);
	75	}
	76
	77	void
	78	session_setup_sia(struct passwd pw, char tty)
	79	{
	80	SIAENTITY *ent = NULL;
	81	const char *host;
	82
	83	host = get_canonical_hostname(options.verify_reverse_mapping);
	84
	85	if (sia_ses_init(&ent, saved_argc, saved_argv, host, pw->pw_name, tty,
	86	0, NULL) != SIASUCCESS)
	87	fatal("sia_ses_init failed");
	88
	89	if (sia_make_entity_pwd(pw, ent) != SIASUCCESS) {
	90	sia_ses_release(&ent);
	91	fatal("sia_make_entity_pwd failed");
	92	}
	93
	94	ent->authtype = SIA_A_NONE;
	95	if (sia_ses_estab(sia_collect_trm, ent) != SIASUCCESS)
	96	fatal("Couldn't establish session for %s from %s",
	97	pw->pw_name, host);
	98
	99	if (sia_ses_launch(sia_collect_trm, ent) != SIASUCCESS)
	100	fatal("Couldn't launch session for %s from %s", pw->pw_name,
	101	host);
	102
	103	sia_ses_release(&ent);
	104
	105	if (setreuid(geteuid(), geteuid()) < 0)
	106	fatal("setreuid: %s", strerror(errno));
	107	}
	108
	109	#endif /* HAVE_OSF_SIA */