| -rw-r--r-- | core/opie-login/passworddialogimpl.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/core/opie-login/passworddialogimpl.cpp b/core/opie-login/passworddialogimpl.cpp index 951c4e1..852708e 100644 --- a/core/opie-login/passworddialogimpl.cpp +++ b/core/opie-login/passworddialogimpl.cpp @@ -1,231 +1,232 @@ /* =. This file is part of the OPIE Project .=l. Copyright (c) 2004 Holger Hans Peter Freyther <zecke@handhelds.org> .>+-= _;:, .> :=|. This file is free software; you can .> <`_, > . <= redistribute it and/or modify it under :`=1 )Y*s>-.-- : the terms of the GNU General Public .="- .-=="i, .._ License as published by the Free Software - . .-<_> .<> Foundation; either version 2 of the License, ._= =} : or (at your option) any later version. .%`+i> _;_. .i_,=:_. -<s. This file is distributed in the hope that + . -:. = it will be useful, but WITHOUT ANY WARRANTY; : .. .:, . . . without even the implied warranty of =_ + =;=|` MERCHANTABILITY or FITNESS FOR A _.=:. : :=>`: PARTICULAR PURPOSE. See the GNU General ..}^=.= = ; Public License for more details. ++= -. .` .: : = ...= . :.=- You should have received a copy of the GNU -. .:....=;==+<; General Public License along with this file; -_. . . )=. = see the file COPYING. If not, write to the -- :-=` Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include <qlayout.h> #include <qlabel.h> #include <qlineedit.h> #include <qvalidator.h> #include <qmessagebox.h> #include <qhbox.h> #include <qtoolbutton.h> #include <sys/types.h> #include <pwd.h> #include <shadow.h> #include <stdio.h> #include <time.h> #include <unistd.h> #include "passworddialogimpl.h" // This function is taken from 'busybox'. static int i64c(int i) { if (i <= 0) return ('.'); if (i == 1) return ('/'); if (i >= 2 && i < 12) return ('0' - 2 + i); if (i >= 12 && i < 38) return ('A' - 12 + i); if (i >= 38 && i < 63) return ('a' - 38 + i); return ('z'); } // This function is taken from 'busybox'. static char *crypt_make_salt() { time_t now; static unsigned long x; static char result[3]; ::time(&now); x += now + getpid() + clock(); result[0] = i64c(((x >> 18) ^ (x >> 6)) & 077); result[1] = i64c(((x >> 12) ^ x) & 077); result[2] = '\0'; return result; } /* * Modal dialog to force root password. It is quite hard as it only leave * when a password is set. * Also it prevalidates the password... */ PasswordDialogImpl::PasswordDialogImpl( QWidget* parent ) : PasswordDialog( parent, 0, true ), m_isSet( PasswordDialogImpl::needDialog() ) { } PasswordDialogImpl::~PasswordDialogImpl() { /* qt does the stuff for us */ } void PasswordDialogImpl::done(int res) { m_isSet = true; /* * The user hit 'Ok' see if we can safe the file * if not an error will be raised and m_isSet altered. * On cancel we will see if it is now ok... */ if ( res == Accepted ) writePassword(); else if(PasswordDialogImpl::needDialog() ) { switch( QMessageBox::warning(this,tr("Trying to leave without password set") , tr("<qt>No password was set. This could lead to you not beeing" "able to remotely connect to your machine." "Do you want to continue not setting a password?</qt>" ), QMessageBox::Ok, QMessageBox::Cancel ) ) { case QMessageBox::Cancel: m_isSet = false; break; case QMessageBox::Ok: default: break; } } if(m_isSet) PasswordDialog::done( res ); } /* * Lets see if we can write either shadow * */ /** * CRYPT the password and then tries to write it either to the shadow password * or to the plain /etc/passwd */ void PasswordDialogImpl::writePassword() { /* * Check if both texts are the same */ if ( m_pass->text() != m_confirm->text() ) return error( tr("Passwords don't match"), tr("<qt>The two passwords don't match. Please try again.</qt>") ); /* * Now crypt the password so we can write it later */ char* password = ::crypt( m_pass->text().latin1(), crypt_make_salt() ); if ( !password ) return error( tr("Password not legal" ), tr("<qt>The entered password is not a valid password." "Please try entering a valid password.</qt>" ) ); /* rewind and rewrite the password file */ ::setpwent(); FILE* file = ::fopen( "/etc/passwd.new", "w" ); struct passwd* pass; while ( (pass = ::getpwent()) != 0l ) { /* no shadow password support */ if ( pass->pw_uid == 0 ) pass->pw_passwd = password; ::putpwent( pass, file ); } ::fclose( file ); ::endpwent(); ::rename("/etc/passwd.new","/etc/passwd" ); /* should be done now */ #ifdef OPIE_LOGIN_SHADOW_PW #error "Can't write Shadow Passwords fixme" #endif } /** * Raise an error. Delete input and set the focus after showing * the error to the user */ void PasswordDialogImpl::error( const QString& caption, const QString& text ) { m_isSet = false; QMessageBox::critical(this,caption, text, QMessageBox::Ok, QMessageBox::NoButton ); m_pass->setText(""); m_pass->setFocus(); m_confirm->setText(""); } void PasswordDialogImpl::slotToggleEcho( bool b ) { m_pass-> setEchoMode( b ? QLineEdit::Normal : QLineEdit::Password ); m_confirm->setEchoMode( b ? QLineEdit::Normal : QLineEdit::Password ); } ///////////////////////// /// static functions /// /** * Ask whether or not we need to show the dialog. It returns true if * no root password is set so that the user will be able to set one. */ bool PasswordDialogImpl::needDialog() { /* * This can cope with no password and shadow passwords * Let us go through the user database until we find 'root' and then * see if it is 'shadow' and see if shadow is empty or see if the password is empty */ bool need = false; struct passwd *pwd; ::setpwent(); while((pwd = ::getpwent() ) ) { /* found root */ if( pwd->pw_uid == 0 ) { QString str = QString::fromLatin1(pwd->pw_passwd ); /* - * If str is really empty it is passwordless anyway... + * If str is really empty it is passwordless anyway... or '*' is a hint to set one + * on OE/Familiar * else it is shadow based */ - if(str.isEmpty() ) + if(str.isEmpty() || str == '*' ) need = true; - else if ( str == '*' || str == 'x' ) + else if ( str == 'x' ) #ifdef OPIE_LOGIN_SHADOW_PW need = QString::fromLatin1( ::getspnam( pwd->pw_name )->sp_pwdp ).isEmpty(); #else ; #endif break; } } ::endpwent(); return need; } |