~ubuntu-branches/ubuntu/lucid/openssh/lucid

1 by Noah Meyerhans
Import upstream version 3.8.1p1
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/*
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 * Copyright (c) 2004 Darren Tucker.  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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#include "includes.h"
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#if defined(USE_SHADOW) && defined(HAS_SHADOW_EXPIRE)
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#include <shadow.h>
1.13.1 by Colin Watson
Import upstream version 4.6p1
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#include <stdarg.h>
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#include <string.h>
1.13.2 by Colin Watson
Import upstream version 4.7p1
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#include <time.h>
1 by Noah Meyerhans
Import upstream version 3.8.1p1
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1.13.1 by Colin Watson
Import upstream version 4.6p1
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#include "key.h"
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#include "hostfile.h"
1 by Noah Meyerhans
Import upstream version 3.8.1p1
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#include "auth.h"
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#include "buffer.h"
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#include "log.h"
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1.1.2 by Colin Watson
Import upstream version 4.1p1
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#ifdef DAY
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# undef DAY
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#endif
1 by Noah Meyerhans
Import upstream version 3.8.1p1
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#define DAY	(24L * 60 * 60) /* 1 day in seconds */
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extern Buffer loginmsg;
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/*
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 * For the account and password expiration functions, we assume the expiry
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 * occurs the day after the day specified.
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 */
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/*
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 * Check if specified account is expired.  Returns 1 if account is expired,
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 * 0 otherwise.
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 */
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int
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auth_shadow_acctexpired(struct spwd *spw)
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{
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	time_t today;
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	int daysleft;
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	char buf[256];
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	today = time(NULL) / DAY;
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	daysleft = spw->sp_expire - today;
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	debug3("%s: today %d sp_expire %d days left %d", __func__, (int)today,
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	    (int)spw->sp_expire, daysleft);
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	if (spw->sp_expire == -1) {
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		debug3("account expiration disabled");
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	} else if (daysleft < 0) {
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		logit("Account %.100s has expired", spw->sp_namp);
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		return 1;
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	} else if (daysleft <= spw->sp_warn) {
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		debug3("account will expire in %d days", daysleft);
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		snprintf(buf, sizeof(buf),
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		    "Your account will expire in %d day%s.\n", daysleft,
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		    daysleft == 1 ? "" : "s");
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		buffer_append(&loginmsg, buf, strlen(buf));
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	}
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	return 0;
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}
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/*
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 * Checks password expiry for platforms that use shadow passwd files.
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 * Returns: 1 = password expired, 0 = password not expired
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 */
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int
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auth_shadow_pwexpired(Authctxt *ctxt)
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{
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	struct spwd *spw = NULL;
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	const char *user = ctxt->pw->pw_name;
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	char buf[256];
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	time_t today;
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	int daysleft, disabled = 0;
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	if ((spw = getspnam((char *)user)) == NULL) {
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		error("Could not get shadow information for %.100s", user);
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		return 0;
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	}
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	today = time(NULL) / DAY;
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	debug3("%s: today %d sp_lstchg %d sp_max %d", __func__, (int)today,
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	    (int)spw->sp_lstchg, (int)spw->sp_max);
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#if defined(__hpux) && !defined(HAVE_SECUREWARE)
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	if (iscomsec()) {
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		struct pr_passwd *pr;
1.1.3 by Colin Watson
Import upstream version 4.2p1
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1 by Noah Meyerhans
Import upstream version 3.8.1p1
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		pr = getprpwnam((char *)user);
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		/* Test for Trusted Mode expiry disabled */
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		if (pr != NULL && pr->ufld.fd_min == 0 &&
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		    pr->ufld.fd_lifetime == 0 && pr->ufld.fd_expire == 0 &&
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		    pr->ufld.fd_pw_expire_warning == 0 &&
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		    pr->ufld.fd_schange != 0)
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			disabled = 1;
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	}
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#endif
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	/* TODO: check sp_inact */
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	daysleft = spw->sp_lstchg + spw->sp_max - today;
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	if (disabled) {
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		debug3("password expiration disabled");
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	} else if (spw->sp_lstchg == 0) {
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		logit("User %.100s password has expired (root forced)", user);
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		return 1;
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	} else if (spw->sp_max == -1) {
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		debug3("password expiration disabled");
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	} else if (daysleft < 0) {
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		logit("User %.100s password has expired (password aged)", user);
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		return 1;
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	} else if (daysleft <= spw->sp_warn) {
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		debug3("password will expire in %d days", daysleft);
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		snprintf(buf, sizeof(buf),
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		    "Your password will expire in %d day%s.\n", daysleft,
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		    daysleft == 1 ? "" : "s");
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		buffer_append(&loginmsg, buf, strlen(buf));
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	}
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	return 0;
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}
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#endif	/* USE_SHADOW && HAS_SHADOW_EXPIRE */