[gssapi-openssh.git] / openssh / auth-sia.c

/*
 * Copyright (c) 2002 Chris Adams.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "includes.h"

#ifdef HAVE_OSF_SIA
#include "ssh.h"
#include "auth.h"
#include "auth-sia.h"
#include "log.h"
#include "servconf.h"
#include "canohost.h"

#include <sia.h>
#include <siad.h>
#include <pwd.h>
#include <signal.h>
#include <setjmp.h>
#include <sys/resource.h>
#include <unistd.h>
#include <string.h>

extern ServerOptions options;
extern int saved_argc;
extern char **saved_argv;

int
auth_sia_password(Authctxt *authctxt, char *pass)
{
	int ret;
	SIAENTITY *ent = NULL;
	const char *host;

	host = get_canonical_hostname(options.use_dns);

	if (!authctxt->user || pass == NULL || pass[0] == '\0')
		return (0);

	if (sia_ses_init(&ent, saved_argc, saved_argv, host, authctxt->user,
	    NULL, 0, NULL) != SIASUCCESS)
		return (0);

	if ((ret = sia_ses_authent(NULL, pass, ent)) != SIASUCCESS) {
		error("Couldn't authenticate %s from %s",
		    authctxt->user, host);
		if (ret & SIASTOP)
			sia_ses_release(&ent);

		return (0);
	}

	sia_ses_release(&ent);

	return (1);
}

void
session_setup_sia(struct passwd *pw, char *tty)
{
	SIAENTITY *ent = NULL;
	const char *host;

	host = get_canonical_hostname(options.use_dns);

	if (sia_ses_init(&ent, saved_argc, saved_argv, host, pw->pw_name, 
	    tty, 0, NULL) != SIASUCCESS)
		fatal("sia_ses_init failed");

	if (sia_make_entity_pwd(pw, ent) != SIASUCCESS) {
		sia_ses_release(&ent);
		fatal("sia_make_entity_pwd failed");
	}

	ent->authtype = SIA_A_NONE;
	if (sia_ses_estab(sia_collect_trm, ent) != SIASUCCESS)
		fatal("Couldn't establish session for %s from %s",
		    pw->pw_name, host);

	if (sia_ses_launch(sia_collect_trm, ent) != SIASUCCESS)
		fatal("Couldn't launch session for %s from %s",
		    pw->pw_name, host);
	
	sia_ses_release(&ent);

	if (setreuid(geteuid(), geteuid()) < 0)
		fatal("setreuid: %s", strerror(errno));
}

#endif /* HAVE_OSF_SIA */
Commit	Line	Data
700318f3	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
3c0ef626	25	#include "includes.h"
	26
	27	#ifdef HAVE_OSF_SIA
	28	#include "ssh.h"
700318f3	29	#include "auth.h"
3c0ef626	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
3c0ef626	48	int
700318f3	49	auth_sia_password(Authctxt authctxt, char pass)
3c0ef626	50	{
	51	int ret;
	52	SIAENTITY *ent = NULL;
	53	const char *host;
	54
0fff78ff	55	host = get_canonical_hostname(options.use_dns);
3c0ef626	56
0fff78ff	57	if (!authctxt->user \|\| pass == NULL \|\| pass[0] == '\0')
0fff78ff	58	return (0);
3c0ef626	59
6a9b3198	60	if (sia_ses_init(&ent, saved_argc, saved_argv, host, authctxt->user,
6a9b3198	61	NULL, 0, NULL) != SIASUCCESS)
0fff78ff	62	return (0);
3c0ef626	63
3c0ef626	64	if ((ret = sia_ses_authent(NULL, pass, ent)) != SIASUCCESS) {
0fff78ff	65	error("Couldn't authenticate %s from %s",
0fff78ff	66	authctxt->user, host);
3c0ef626	67	if (ret & SIASTOP)
3c0ef626	68	sia_ses_release(&ent);
0fff78ff	69
0fff78ff	70	return (0);
3c0ef626	71	}
	72
	73	sia_ses_release(&ent);
	74
0fff78ff	75	return (1);
3c0ef626	76	}
	77
	78	void
6a9b3198	79	session_setup_sia(struct passwd pw, char tty)
3c0ef626	80	{
3c0ef626	81	SIAENTITY *ent = NULL;
	82	const char *host;
	83
0fff78ff	84	host = get_canonical_hostname(options.use_dns);
3c0ef626	85
9cb1827b	86	if (sia_ses_init(&ent, saved_argc, saved_argv, host, pw->pw_name,
0fff78ff	87	tty, 0, NULL) != SIASUCCESS)
700318f3	88	fatal("sia_ses_init failed");
3c0ef626	89
3c0ef626	90	if (sia_make_entity_pwd(pw, ent) != SIASUCCESS) {
3c0ef626	91	sia_ses_release(&ent);
700318f3	92	fatal("sia_make_entity_pwd failed");
3c0ef626	93	}
	94
	95	ent->authtype = SIA_A_NONE;
6a9b3198	96	if (sia_ses_estab(sia_collect_trm, ent) != SIASUCCESS)
	97	fatal("Couldn't establish session for %s from %s",
	98	pw->pw_name, host);
3c0ef626	99
6a9b3198	100	if (sia_ses_launch(sia_collect_trm, ent) != SIASUCCESS)
0fff78ff	101	fatal("Couldn't launch session for %s from %s",
0fff78ff	102	pw->pw_name, host);
9cb1827b	103
3c0ef626	104	sia_ses_release(&ent);
3c0ef626	105
9cb1827b	106	if (setreuid(geteuid(), geteuid()) < 0)
9cb1827b	107	fatal("setreuid: %s", strerror(errno));
3c0ef626	108	}
	109
	110	#endif /* HAVE_OSF_SIA */