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142 lines
4.2 KiB
142 lines
4.2 KiB
/* |
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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> |
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#include <stdarg.h> |
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#include <string.h> |
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#include <time.h> |
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#include "key.h" |
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#include "hostfile.h" |
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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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#ifdef DAY |
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# undef DAY |
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#endif |
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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; |
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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 */
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