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86 lines
2.6 KiB
86 lines
2.6 KiB
/* |
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* Copyright (C) 1998 Christian Esken <esken@kde.org> |
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* Copyright (C) 2003 Oswald Buddenhagen <ossi@kde.org> |
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* |
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* This is a modified version of checkpass_shadow.cpp |
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* |
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* Modifications made by Thorsten Kukuk <kukuk@suse.de> |
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* Mathias Kettner <kettner@suse.de> |
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* |
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* ------------------------------------------------------------ |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public |
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* License as published by the Free Software Foundation; either |
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* version 2 of the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public |
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* License along with this program; if not, write to the Free |
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* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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*/ |
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#include "kcheckpass.h" |
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/******************************************************************* |
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* This is the authentication code for Shadow-Passwords |
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*******************************************************************/ |
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#ifdef HAVE_SHADOW |
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#include <string.h> |
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#include <stdlib.h> |
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#include <pwd.h> |
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#ifndef __hpux |
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#include <shadow.h> |
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#endif |
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AuthReturn Authenticate(const char *method, |
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const char *login, char *(*conv) (ConvRequest, const char *)) |
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{ |
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char *typed_in_password; |
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char *crpt_passwd; |
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char *password; |
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struct passwd *pw; |
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struct spwd *spw; |
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if (strcmp(method, "classic")) |
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return AuthError; |
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if (!(pw = getpwnam(login))) |
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return AuthAbort; |
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spw = getspnam(login); |
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password = spw ? spw->sp_pwdp : pw->pw_passwd; |
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if (!*password) |
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return AuthOk; |
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if (!(typed_in_password = conv(ConvGetHidden, 0))) |
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return AuthAbort; |
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#if defined( __linux__ ) && defined( HAVE_PW_ENCRYPT ) |
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crpt_passwd = pw_encrypt(typed_in_password, password); /* (1) */ |
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#else |
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crpt_passwd = crypt(typed_in_password, password); |
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#endif |
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if (crpt_passwd && !strcmp(password, crpt_passwd )) { |
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dispose(typed_in_password); |
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return AuthOk; /* Success */ |
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} |
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dispose(typed_in_password); |
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return AuthBad; /* Password wrong or account locked */ |
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} |
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/* |
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(1) Deprecated - long passwords have known weaknesses. Also, |
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pw_encrypt is non-standard (requires libshadow.a) while |
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everything else you need to support shadow passwords is in |
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the standard (ELF) libc. |
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*/ |
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#endif
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