mirror of https://github.com/acanas/swad-core.git
989 lines
38 KiB
C
989 lines
38 KiB
C
// swad_password.c: Users' passwords
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/*
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SWAD (Shared Workspace At a Distance),
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is a web platform developed at the University of Granada (Spain),
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and used to support university teaching.
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This file is part of SWAD core.
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Copyright (C) 1999-2017 Antonio Cañas Vargas
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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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
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*****************************************************************************/
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/********************************* Headers ***********************************/
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/*****************************************************************************/
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#include <stdlib.h> // For system, getenv, etc.
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#include <string.h> // For string functions
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#include <sys/wait.h> // For the macro WEXITSTATUS
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#include <unistd.h> // For unlink
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#include "swad_database.h"
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#include "swad_enrolment.h"
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#include "swad_global.h"
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#include "swad_ID.h"
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#include "swad_password.h"
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#include "swad_parameter.h"
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#include "swad_user.h"
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/*****************************************************************************/
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/************** External global variables from others modules ****************/
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/*****************************************************************************/
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extern struct Globals Gbl;
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/*****************************************************************************/
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/***************************** Private constants *****************************/
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/*****************************************************************************/
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// If there are X users with the same password,
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// it means than the password is trivial
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// and another user can not change his/her password to this
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#define Pwd_MAX_OTHER_USERS_USING_THE_SAME_PASSWORD 2
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/*****************************************************************************/
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/******************************* Private types *******************************/
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/*****************************************************************************/
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/*****************************************************************************/
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/***************************** Private variables *****************************/
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/*****************************************************************************/
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/*****************************************************************************/
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/***************************** Private prototypes ****************************/
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/*****************************************************************************/
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static void Pwd_PutLinkToSendNewPasswdParams (void);
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static void Pwd_CreateANewPassword (char PlainPassword[Pwd_MAX_BYTES_PLAIN_PASSWORD + 1]);
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static bool Pwd_CheckIfPasswdIsUsrIDorName (const char *PlainPassword);
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static unsigned Pwd_GetNumOtherUsrsWhoUseThisPassword (const char *EncryptedPassword,long UsrCod);
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/*****************************************************************************/
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/************* Get parameter with my plain password from a form **************/
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/*****************************************************************************/
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void Pwd_GetParamUsrPwdLogin (void)
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{
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/***** Get plain password from form *****/
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Par_GetParToText ("UsrPwd",Gbl.Usrs.Me.LoginPlainPassword,
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Pwd_MAX_BYTES_PLAIN_PASSWORD);
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/***** Encrypt password *****/
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Cry_EncryptSHA512Base64 (Gbl.Usrs.Me.LoginPlainPassword,Gbl.Usrs.Me.LoginEncryptedPassword);
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}
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/*****************************************************************************/
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/**** Check if login password is the same as current password in database ****/
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/*****************************************************************************/
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// Returns true if there's no current password in database, or if login password is the same
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// Returns false if there's a current password in database and is not the same as the login password
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bool Pwd_CheckCurrentPassword (void)
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{
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return (Gbl.Usrs.Me.UsrDat.Password[0] ?
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!strcmp (Gbl.Usrs.Me.LoginEncryptedPassword,Gbl.Usrs.Me.UsrDat.Password) : true);
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}
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/*****************************************************************************/
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/**** Check if login password is the same as current password in database ****/
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/*****************************************************************************/
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// Returns true if there's pending password in database and login password is the same
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// Returns false if there's no a pending password in database, or if pending password is not the same as the login password
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bool Pwd_CheckPendingPassword (void)
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{
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char Query[256];
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MYSQL_RES *mysql_res;
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MYSQL_ROW row;
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/***** Get pending password from database *****/
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sprintf (Query,"SELECT PendingPassword FROM pending_passwd"
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" WHERE UsrCod=%ld",
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Gbl.Usrs.Me.UsrDat.UsrCod);
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if (DB_QuerySELECT (Query,&mysql_res,"can not get pending password"))
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{
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/* Get encrypted pending password */
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row = mysql_fetch_row (mysql_res);
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Str_Copy (Gbl.Usrs.Me.PendingPassword,row[0],
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Pwd_BYTES_ENCRYPTED_PASSWORD);
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}
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else
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Gbl.Usrs.Me.PendingPassword[0] = '\0';
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/***** Free structure that stores the query result *****/
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DB_FreeMySQLResult (&mysql_res);
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return (Gbl.Usrs.Me.PendingPassword[0] ?
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!strcmp (Gbl.Usrs.Me.LoginEncryptedPassword,Gbl.Usrs.Me.PendingPassword) :
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false);
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}
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/*****************************************************************************/
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/************ Assign my pending password to my current password **************/
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/*****************************************************************************/
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void Pwd_AssignMyPendingPasswordToMyCurrentPassword (void)
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{
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char Query[128 + Pwd_BYTES_ENCRYPTED_PASSWORD];
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/***** Update my current password in database *****/
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sprintf (Query,"UPDATE usr_data SET Password='%s'"
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" WHERE UsrCod=%ld",
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Gbl.Usrs.Me.PendingPassword,
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Gbl.Usrs.Me.UsrDat.UsrCod);
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DB_QueryUPDATE (Query,"can not update your password");
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/***** Update my current password *****/
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Str_Copy (Gbl.Usrs.Me.UsrDat.Password,Gbl.Usrs.Me.PendingPassword,
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Pwd_BYTES_ENCRYPTED_PASSWORD);
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}
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/*****************************************************************************/
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/*********************** Change my password in database **********************/
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/*****************************************************************************/
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void Pwd_ActChgMyPwd1 (void)
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{
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extern const char *Txt_You_have_not_written_twice_the_same_new_password;
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extern const char *Txt_Your_password_has_been_changed_successfully;
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extern const char *Txt_You_have_not_entered_your_password_correctly;
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char PlainPassword[Pwd_MAX_BYTES_PLAIN_PASSWORD + 1];
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char NewPlainPassword[2][Pwd_MAX_BYTES_PLAIN_PASSWORD + 1];
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char NewEncryptedPassword[Pwd_BYTES_ENCRYPTED_PASSWORD + 1];
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/***** Get plain password from form *****/
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Par_GetParToText ("UsrPwd",PlainPassword,Pwd_MAX_BYTES_PLAIN_PASSWORD);
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/***** Encrypt password *****/
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Cry_EncryptSHA512Base64 (PlainPassword,Gbl.Usrs.Me.LoginEncryptedPassword);
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Gbl.Usrs.Error = true;
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if (Pwd_CheckCurrentPassword ())
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{
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Par_GetParToText ("Paswd1",NewPlainPassword[0],Pwd_MAX_BYTES_PLAIN_PASSWORD);
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Par_GetParToText ("Paswd2",NewPlainPassword[1],Pwd_MAX_BYTES_PLAIN_PASSWORD);
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/***** Check if I have written twice the same password *****/
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if (strcmp (NewPlainPassword[0],NewPlainPassword[1]))
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// Passwords don't match
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sprintf (Gbl.Alert.Txt,"%s",Txt_You_have_not_written_twice_the_same_new_password);
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else
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{
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Cry_EncryptSHA512Base64 (NewPlainPassword[0],NewEncryptedPassword);
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if (Pwd_SlowCheckIfPasswordIsGood (NewPlainPassword[0],NewEncryptedPassword,
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Gbl.Usrs.Me.UsrDat.UsrCod)) // New password is good?
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{
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/* Update my data */
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Str_Copy (Gbl.Usrs.Me.UsrDat.Password,NewEncryptedPassword,
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Pwd_BYTES_ENCRYPTED_PASSWORD);
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Ses_UpdateSessionDataInDB ();
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Enr_UpdateUsrData (&Gbl.Usrs.Me.UsrDat);
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sprintf (Gbl.Alert.Txt,"%s",Txt_Your_password_has_been_changed_successfully);
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Gbl.Usrs.Error = false;
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}
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}
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}
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else
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sprintf (Gbl.Alert.Txt,"%s",Txt_You_have_not_entered_your_password_correctly);
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}
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void Pwd_ActChgMyPwd2 (void)
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{
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/***** Write error message when updating password *****/
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Ale_ShowAlert (Gbl.Usrs.Error ? Ale_WARNING :
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Ale_INFO,
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Gbl.Alert.Txt);
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/***** Retry? *****/
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if (Gbl.Usrs.Error)
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Pwd_ShowFormChgPwd ();
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}
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/*****************************************************************************/
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/*************** Show form to send a new password by email *******************/
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/*****************************************************************************/
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void Pwd_PutLinkToSendNewPasswd (void)
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{
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extern const char *Txt_Forgotten_password;
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Lay_PutContextualLink (ActReqSndNewPwd,NULL,
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Pwd_PutLinkToSendNewPasswdParams,
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"key64x64.gif",
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Txt_Forgotten_password,Txt_Forgotten_password,
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NULL);
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}
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static void Pwd_PutLinkToSendNewPasswdParams (void)
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{
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Par_PutHiddenParamString ("UsrId",Gbl.Usrs.Me.UsrIdLogin);
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}
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/*****************************************************************************/
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/*************** Show form to send a new password by email *******************/
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/*****************************************************************************/
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void Pwd_ShowFormSendNewPwd (void)
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{
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extern const char *Hlp_PROFILE_Password;
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extern const char *The_ClassForm[The_NUM_THEMES];
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extern const char *Txt_If_you_have_forgotten_your_password_;
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extern const char *Txt_Forgotten_password;
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extern const char *Txt_nick_email_or_ID;
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extern const char *Txt_Get_a_new_password;
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/***** Start of form *****/
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Act_FormStart (ActSndNewPwd);
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/***** Start frame *****/
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Lay_StartRoundFrame (NULL,Txt_Forgotten_password,NULL,
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Hlp_PROFILE_Password,
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false); // Not closable
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/***** Help text *****/
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Ale_ShowAlert (Ale_INFO,Txt_If_you_have_forgotten_your_password_);
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/***** User's ID/nickname *****/
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fprintf (Gbl.F.Out,"<label class=\"%s\">"
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"%s: "
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"<input type=\"text\" name=\"UsrId\""
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" size=\"8\" maxlength=\"%u\" value=\"%s\" />"
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"</label>",
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The_ClassForm[Gbl.Prefs.Theme],Txt_nick_email_or_ID,
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Cns_MAX_CHARS_EMAIL_ADDRESS,Gbl.Usrs.Me.UsrIdLogin);
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/***** Send button and end frame *****/
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Lay_EndRoundFrameWithButton (Lay_CONFIRM_BUTTON,Txt_Get_a_new_password);
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/***** End form *****/
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Act_FormEnd ();
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}
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/*****************************************************************************/
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/*********************** Send a new password by email ************************/
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/*****************************************************************************/
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void Pwd_ChkIdLoginAndSendNewPwd (void)
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{
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extern const char *Txt_You_must_enter_your_nick_email_or_ID;
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extern const char *Txt_There_was_a_problem_sending_an_email_automatically;
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extern const char *Txt_If_you_have_written_your_ID_nickname_or_email_correctly_;
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extern const char *Txt_There_are_more_than_one_user_with_the_ID_X_Please_type_a_nick_or_email;
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struct ListUsrCods ListUsrCods;
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char NewRandomPlainPassword[Pwd_MAX_BYTES_PLAIN_PASSWORD + 1];
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int ReturnCode;
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/***** Check if user's ID or nickname is not empty *****/
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if (!Gbl.Usrs.Me.UsrIdLogin[0])
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{
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Ale_ShowAlert (Ale_WARNING,Txt_You_must_enter_your_nick_email_or_ID);
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Pwd_ShowFormSendNewPwd ();
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return;
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}
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/***** Reset default list of users' codes *****/
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ListUsrCods.NumUsrs = 0;
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ListUsrCods.Lst = NULL;
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/***** Check if user exists *****/
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/* Check if user has typed his user's ID or his nickname */
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if (Nck_CheckIfNickWithArrobaIsValid (Gbl.Usrs.Me.UsrIdLogin)) // 1: It's a nickname
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{
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if ((Gbl.Usrs.Me.UsrDat.UsrCod = Nck_GetUsrCodFromNickname (Gbl.Usrs.Me.UsrIdLogin)) > 0)
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{
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/* Get user's data */
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ListUsrCods.NumUsrs = 1;
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Usr_AllocateListUsrCods (&ListUsrCods);
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ListUsrCods.Lst[0] = Gbl.Usrs.Other.UsrDat.UsrCod;
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}
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}
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else if (Mai_CheckIfEmailIsValid (Gbl.Usrs.Me.UsrIdLogin)) // 2: It's an email
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{
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if ((Gbl.Usrs.Me.UsrDat.UsrCod = Mai_GetUsrCodFromEmail (Gbl.Usrs.Me.UsrIdLogin)) > 0)
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{
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/* Get user's data */
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ListUsrCods.NumUsrs = 1;
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Usr_AllocateListUsrCods (&ListUsrCods);
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ListUsrCods.Lst[0] = Gbl.Usrs.Other.UsrDat.UsrCod;
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}
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}
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else // 3: It's not a nickname nor email
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{
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// Users' IDs are always stored internally in capitals and without leading zeros
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Str_RemoveLeadingZeros (Gbl.Usrs.Me.UsrIdLogin);
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if (ID_CheckIfUsrIDIsValid (Gbl.Usrs.Me.UsrIdLogin))
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{
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/***** Allocate space for the list *****/
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ID_ReallocateListIDs (&Gbl.Usrs.Me.UsrDat,1);
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// User has typed a user's ID
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Str_Copy (Gbl.Usrs.Me.UsrDat.IDs.List[0].ID,Gbl.Usrs.Me.UsrIdLogin,
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ID_MAX_BYTES_USR_ID);
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Str_ConvertToUpperText (Gbl.Usrs.Me.UsrDat.IDs.List[0].ID);
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/* Get users' codes for this ID */
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if (!ID_GetListUsrCodsFromUsrID (&Gbl.Usrs.Me.UsrDat,NULL,&ListUsrCods,true)) // Only confirmed IDs
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// If no users found with confirmed IDs, try to get all users (confirmed or not)
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ID_GetListUsrCodsFromUsrID (&Gbl.Usrs.Me.UsrDat,NULL,&ListUsrCods,false); // All users (confirmed or not)
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}
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}
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/***** Send a new password via email when user exists *****/
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if (ListUsrCods.NumUsrs)
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{
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if (ListUsrCods.NumUsrs == 1)
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{
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Usr_GetUsrDataFromUsrCod (&Gbl.Usrs.Me.UsrDat); // Get my data
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if (Gbl.Usrs.Me.UsrDat.Email[0])
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switch ((ReturnCode = Pwd_SendNewPasswordByEmail (NewRandomPlainPassword)))
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{
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case 0: // Message sent successfully
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Pwd_SetMyPendingPassword (NewRandomPlainPassword);
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Ale_ShowAlert (Ale_INFO,Txt_If_you_have_written_your_ID_nickname_or_email_correctly_);
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break;
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case 1:
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Ale_ShowAlert (Ale_WARNING,Txt_There_was_a_problem_sending_an_email_automatically);
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break;
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default:
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sprintf (Gbl.Alert.Txt,"Internal error: an email message has not been sent successfully."
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" Error code returned by the script: %d",
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ReturnCode);
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Ale_ShowAlert (Ale_ERROR,Gbl.Alert.Txt);
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break;
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}
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else // I have no email address
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/***** Help message *****/
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Ale_ShowAlert (Ale_INFO,Txt_If_you_have_written_your_ID_nickname_or_email_correctly_);
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}
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else // ListUsrCods.NumUsrs > 1
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{
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/***** Help message *****/
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// TODO: This message allows to know if a ID exists in database (when no unique). This should be hidden!
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sprintf (Gbl.Alert.Txt,Txt_There_are_more_than_one_user_with_the_ID_X_Please_type_a_nick_or_email,
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Gbl.Usrs.Me.UsrIdLogin);
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Ale_ShowAlert (Ale_WARNING,Gbl.Alert.Txt);
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Pwd_ShowFormSendNewPwd ();
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}
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/***** Free list of users' codes *****/
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Usr_FreeListUsrCods (&ListUsrCods);
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}
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else // ListUsrCods.NumUsrs == 0 ==> user does not exist
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/***** Help message *****/
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Ale_ShowAlert (Ale_INFO,Txt_If_you_have_written_your_ID_nickname_or_email_correctly_);
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}
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/*****************************************************************************/
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/*********************** Send a new password by email ************************/
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/*****************************************************************************/
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// Gbl.Usrs.Me.UsrDat must be filled
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// Return code returned by command
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int Pwd_SendNewPasswordByEmail (char NewRandomPlainPassword[Pwd_MAX_BYTES_PLAIN_PASSWORD + 1])
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{
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extern const char *Txt_The_following_password_has_been_assigned_to_you_to_log_in_X_NO_HTML;
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extern const char *Txt_New_password_NO_HTML[1 + Txt_NUM_LANGUAGES];
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char Command[2048]; // Command to execute for sending an email
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int ReturnCode;
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/***** Create temporary file for mail content *****/
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Mai_CreateFileNameMail ();
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/***** Create a new random password *****/
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Pwd_CreateANewPassword (NewRandomPlainPassword);
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/***** Write mail content into file and close file *****/
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/* Welcome note */
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Mai_WriteWelcomeNoteEMail (&Gbl.Usrs.Me.UsrDat);
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/* Message body */
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fprintf (Gbl.Msg.FileMail,Txt_The_following_password_has_been_assigned_to_you_to_log_in_X_NO_HTML,
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Cfg_PLATFORM_SHORT_NAME,NewRandomPlainPassword,Cfg_URL_SWAD_CGI,
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(unsigned) (Cfg_TIME_TO_DELETE_OLD_PENDING_PASSWORDS / (24L * 60L * 60L)),
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Gbl.Usrs.Me.UsrDat.Email);
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/* Footer note */
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Mai_WriteFootNoteEMail (Gbl.Prefs.Language);
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fclose (Gbl.Msg.FileMail);
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/***** Call the script to send an email *****/
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sprintf (Command,"%s \"%s\" \"%s\" \"%s\" \"%s\" \"%s\" \"[%s] %s\" \"%s\"",
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Cfg_COMMAND_SEND_AUTOMATIC_EMAIL,
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Cfg_AUTOMATIC_EMAIL_SMTP_SERVER,
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Cfg_AUTOMATIC_EMAIL_SMTP_PORT,
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Cfg_AUTOMATIC_EMAIL_FROM,
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Gbl.Config.SMTPPassword,
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Gbl.Usrs.Me.UsrDat.Email,
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Cfg_PLATFORM_SHORT_NAME,
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Txt_New_password_NO_HTML[Gbl.Usrs.Me.UsrDat.Prefs.Language],
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Gbl.Msg.FileNameMail);
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ReturnCode = system (Command);
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if (ReturnCode == -1)
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Lay_ShowErrorAndExit ("Error when running script to send email.");
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/***** Remove temporary file *****/
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unlink (Gbl.Msg.FileNameMail);
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/***** Write message depending on return code *****/
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return WEXITSTATUS (ReturnCode);
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}
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/*****************************************************************************/
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/*********************** Create a new random password ************************/
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/*****************************************************************************/
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static void Pwd_CreateANewPassword (char PlainPassword[Pwd_MAX_BYTES_PLAIN_PASSWORD + 1])
|
|
{
|
|
Str_CreateRandomAlphanumStr (PlainPassword,Pwd_MIN_CHARS_PLAIN_PASSWORD);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/*************************** Set my pending password *************************/
|
|
/*****************************************************************************/
|
|
|
|
void Pwd_SetMyPendingPassword (char PlainPassword[Pwd_MAX_BYTES_PLAIN_PASSWORD + 1])
|
|
{
|
|
char Query[256 + Pwd_BYTES_ENCRYPTED_PASSWORD];
|
|
|
|
/***** Encrypt my pending password *****/
|
|
Cry_EncryptSHA512Base64 (PlainPassword,Gbl.Usrs.Me.PendingPassword);
|
|
|
|
/***** Remove expired pending passwords from database *****/
|
|
sprintf (Query,"DELETE FROM pending_passwd"
|
|
" WHERE DateAndTime<FROM_UNIXTIME(UNIX_TIMESTAMP()-'%lu')",
|
|
Cfg_TIME_TO_DELETE_OLD_PENDING_PASSWORDS);
|
|
DB_QueryDELETE (Query,"can not remove expired pending passwords");
|
|
|
|
/***** Update my current password in database *****/
|
|
sprintf (Query,"REPLACE INTO pending_passwd"
|
|
" (UsrCod,PendingPassword,DateAndTime)"
|
|
" VALUES"
|
|
" (%ld,'%s',NOW())",
|
|
Gbl.Usrs.Me.UsrDat.UsrCod,Gbl.Usrs.Me.PendingPassword);
|
|
DB_QueryREPLACE (Query,"can not create pending password");
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/******************************** Update password ****************************/
|
|
/*****************************************************************************/
|
|
|
|
void Pwd_UpdateOtherPwd1 (void)
|
|
{
|
|
extern const char *Txt_You_have_not_written_twice_the_same_new_password;
|
|
extern const char *Txt_The_X_password_has_been_changed_successfully;
|
|
extern const char *Txt_User_not_found_or_you_do_not_have_permission_;
|
|
char NewPlainPassword[2][Pwd_MAX_BYTES_PLAIN_PASSWORD + 1];
|
|
char NewEncryptedPassword[Pwd_BYTES_ENCRYPTED_PASSWORD + 1];
|
|
|
|
Gbl.Usrs.Error = true;
|
|
|
|
/***** Get other user's code from form and get user's data *****/
|
|
if (Usr_GetParamOtherUsrCodEncryptedAndGetUsrData ())
|
|
{
|
|
if (Usr_ICanEditOtherUsr (&Gbl.Usrs.Other.UsrDat))
|
|
{
|
|
Par_GetParToText ("Paswd1",NewPlainPassword[0],Pwd_MAX_BYTES_PLAIN_PASSWORD);
|
|
Par_GetParToText ("Paswd2",NewPlainPassword[1],Pwd_MAX_BYTES_PLAIN_PASSWORD);
|
|
|
|
if (strcmp (NewPlainPassword[0],NewPlainPassword[1]))
|
|
// Paswords don't match
|
|
sprintf (Gbl.Alert.Txt,"%s",Txt_You_have_not_written_twice_the_same_new_password);
|
|
else
|
|
{
|
|
Cry_EncryptSHA512Base64 (NewPlainPassword[0],NewEncryptedPassword);
|
|
if (Pwd_SlowCheckIfPasswordIsGood (NewPlainPassword[0],NewEncryptedPassword,
|
|
Gbl.Usrs.Other.UsrDat.UsrCod)) // New password is good?
|
|
{
|
|
/* Update other user's data */
|
|
Str_Copy (Gbl.Usrs.Other.UsrDat.Password,NewEncryptedPassword,
|
|
Pwd_BYTES_ENCRYPTED_PASSWORD);
|
|
Enr_UpdateUsrData (&Gbl.Usrs.Other.UsrDat);
|
|
|
|
sprintf (Gbl.Alert.Txt,Txt_The_X_password_has_been_changed_successfully,
|
|
Gbl.Usrs.Other.UsrDat.FullName);
|
|
Gbl.Usrs.Error = false;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
sprintf (Gbl.Alert.Txt,"%s",Txt_User_not_found_or_you_do_not_have_permission_);
|
|
}
|
|
else // User not found
|
|
sprintf (Gbl.Alert.Txt,"%s",Txt_User_not_found_or_you_do_not_have_permission_);
|
|
}
|
|
|
|
void Pwd_UpdateOtherPwd2 (void)
|
|
{
|
|
/***** Write message when updating the password *****/
|
|
if (Gbl.Alert.Txt[0])
|
|
Ale_ShowAlert (Gbl.Usrs.Error ? Ale_WARNING :
|
|
Ale_INFO,
|
|
Gbl.Alert.Txt);
|
|
|
|
if (Gbl.Usrs.Error)
|
|
{
|
|
/***** Try again *****/
|
|
Gbl.Usrs.Error = false;
|
|
Pwd_ShowFormOthPwd ();
|
|
}
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/************************ Check if a password is good ************************/
|
|
/*****************************************************************************/
|
|
|
|
bool Pwd_SlowCheckIfPasswordIsGood (const char *PlainPassword,
|
|
const char *EncryptedPassword,
|
|
long UsrCod)
|
|
{
|
|
extern const char *Txt_The_password_is_too_trivial_;
|
|
|
|
/***** Check if password seems good by making fast checks *****/
|
|
if (!Pwd_FastCheckIfPasswordSeemsGood (PlainPassword))
|
|
return false;
|
|
|
|
/***** Check if password is found in user's ID, first name or surnames of anybody *****/
|
|
if (Pwd_CheckIfPasswdIsUsrIDorName (PlainPassword)) // PlainPassword is a user's ID, name or surname
|
|
{
|
|
sprintf (Gbl.Alert.Txt,"%s",Txt_The_password_is_too_trivial_);
|
|
return false;
|
|
}
|
|
|
|
/***** Check if password is used by too many other users *****/
|
|
if (Pwd_GetNumOtherUsrsWhoUseThisPassword (EncryptedPassword,UsrCod) >
|
|
Pwd_MAX_OTHER_USERS_USING_THE_SAME_PASSWORD)
|
|
{
|
|
sprintf (Gbl.Alert.Txt,"%s",Txt_The_password_is_too_trivial_);
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/***** Check if a password is a user's ID, a first name or a surname *********/
|
|
/*****************************************************************************/
|
|
|
|
static bool Pwd_CheckIfPasswdIsUsrIDorName (const char *PlainPassword)
|
|
{
|
|
char Query[128 + 3 * Pwd_MAX_BYTES_PLAIN_PASSWORD];
|
|
bool Found;
|
|
|
|
/***** Get if password is found in user's ID from database *****/
|
|
sprintf (Query,"SELECT COUNT(*) FROM usr_IDs WHERE UsrID='%s'",
|
|
PlainPassword);
|
|
Found = (DB_QueryCOUNT (Query,"can not check if a password matches a user's ID") != 0);
|
|
|
|
/***** Get if password is found in first name or surnames of anybody, from database *****/
|
|
if (!Found)
|
|
{
|
|
sprintf (Query,"SELECT COUNT(*) FROM usr_data"
|
|
" WHERE FirstName='%s' OR Surname1='%s' OR Surname2='%s'",
|
|
PlainPassword,PlainPassword,PlainPassword);
|
|
Found = (DB_QueryCOUNT (Query,"can not check if a password matches a first name or a surname") != 0);
|
|
}
|
|
|
|
return Found;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/************** Get the number of users who use yet a password ***************/
|
|
/*****************************************************************************/
|
|
|
|
static unsigned Pwd_GetNumOtherUsrsWhoUseThisPassword (const char *EncryptedPassword,long UsrCod)
|
|
{
|
|
char Query[512];
|
|
|
|
/***** Get number of other users who use a password from database *****/
|
|
/* Query database */
|
|
if (UsrCod > 0)
|
|
sprintf (Query,"SELECT COUNT(*) FROM usr_data"
|
|
" WHERE Password='%s' AND UsrCod<>%ld",
|
|
EncryptedPassword,UsrCod);
|
|
else
|
|
sprintf (Query,"SELECT COUNT(*) FROM usr_data"
|
|
" WHERE Password='%s'",
|
|
EncryptedPassword);
|
|
return (unsigned) DB_QueryCOUNT (Query,"can not check if a password is trivial");
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/********************** Check if a password seems good ***********************/
|
|
/*****************************************************************************/
|
|
|
|
bool Pwd_FastCheckIfPasswordSeemsGood (const char *PlainPassword)
|
|
{
|
|
extern const char *Txt_The_password_must_be_at_least_X_characters;
|
|
extern const char *Txt_The_password_can_not_contain_spaces;
|
|
extern const char *Txt_The_password_can_not_consist_only_of_digits;
|
|
unsigned LengthPassword = strlen (PlainPassword),i;
|
|
bool ItsANumber;
|
|
|
|
/***** Check length of password *****/
|
|
if (LengthPassword < Pwd_MIN_BYTES_PLAIN_PASSWORD) // PlainPassword too short
|
|
{
|
|
sprintf (Gbl.Alert.Txt,Txt_The_password_must_be_at_least_X_characters,
|
|
Pwd_MIN_CHARS_PLAIN_PASSWORD);
|
|
return false;
|
|
}
|
|
|
|
/***** Check spaces in password *****/
|
|
if (strchr (PlainPassword,(int) ' ') != NULL) // PlainPassword with spaces
|
|
{
|
|
sprintf (Gbl.Alert.Txt,"%s",Txt_The_password_can_not_contain_spaces);
|
|
return false;
|
|
}
|
|
|
|
/***** Check if password is a number *****/
|
|
for (i = 0, ItsANumber = true;
|
|
i < LengthPassword && ItsANumber;
|
|
i++)
|
|
if (PlainPassword[i] < '0' || PlainPassword[i] > '9')
|
|
ItsANumber = false;
|
|
if (ItsANumber)
|
|
{
|
|
sprintf (Gbl.Alert.Txt,"%s",Txt_The_password_can_not_consist_only_of_digits);
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/********************** Show form for changing my password *******************/
|
|
/*****************************************************************************/
|
|
|
|
void Pwd_ShowFormChgPwd (void)
|
|
{
|
|
extern const char *Hlp_PROFILE_Password;
|
|
extern const char *The_ClassForm[The_NUM_THEMES];
|
|
extern const char *Txt_Before_going_to_any_other_option_you_must_create_your_password;
|
|
extern const char *Txt_Your_password_is_not_secure_enough;
|
|
extern const char *Txt_Your_password_must_be_at_least_X_characters_and_can_not_contain_spaces_;
|
|
extern const char *Txt_Password;
|
|
extern const char *Txt_Current_password;
|
|
extern const char *Txt_Change_password;
|
|
extern const char *Txt_Set_password;
|
|
bool IHaveAPasswordInDB = (bool) Gbl.Usrs.Me.UsrDat.Password[0];
|
|
|
|
/***** Help message *****/
|
|
if (!IHaveAPasswordInDB) // If I don't have a password in database...
|
|
Ale_ShowAlert (Ale_WARNING,Txt_Before_going_to_any_other_option_you_must_create_your_password);
|
|
else if (Gbl.Usrs.Me.LoginPlainPassword[0])
|
|
{
|
|
if (!Pwd_FastCheckIfPasswordSeemsGood (Gbl.Usrs.Me.LoginPlainPassword))
|
|
Ale_ShowAlert (Ale_WARNING,Txt_Your_password_is_not_secure_enough);
|
|
}
|
|
|
|
/***** Start form *****/
|
|
Act_FormStart (ActChgPwd);
|
|
|
|
/***** Start frame *****/
|
|
Lay_StartRoundFrameTable (NULL,Txt_Password,NULL,
|
|
Hlp_PROFILE_Password,
|
|
false, // Not closable
|
|
2);
|
|
|
|
/* Current password */
|
|
if (IHaveAPasswordInDB) // If I have a password in database...
|
|
fprintf (Gbl.F.Out,"<tr>"
|
|
"<td class=\"RIGHT_MIDDLE\">"
|
|
"<label for=\"UsrPwd\" class=\"%s\">%s:</label>"
|
|
"</td>"
|
|
"<td class=\"LEFT_MIDDLE\">"
|
|
"<input type=\"password\""
|
|
" id=\"UsrPwd\" name=\"UsrPwd\""
|
|
" size=\"18\" maxlength=\"%u\""
|
|
" autocomplete=\"off\" required=\"required\" />"
|
|
"</td>"
|
|
"</tr>",
|
|
The_ClassForm[Gbl.Prefs.Theme],
|
|
Txt_Current_password,
|
|
Pwd_MAX_CHARS_PLAIN_PASSWORD);
|
|
|
|
/* Help message */
|
|
fprintf (Gbl.F.Out,"<tr>"
|
|
"<td colspan=\"2\">");
|
|
sprintf (Gbl.Alert.Txt,Txt_Your_password_must_be_at_least_X_characters_and_can_not_contain_spaces_,
|
|
Pwd_MIN_CHARS_PLAIN_PASSWORD);
|
|
Ale_ShowAlert (Ale_INFO,Gbl.Alert.Txt);
|
|
fprintf (Gbl.F.Out,"</td>"
|
|
"</tr>");
|
|
|
|
/* New password */
|
|
Pwd_PutFormToGetNewPasswordTwice ();
|
|
|
|
/***** Send button and end form *****/
|
|
Lay_EndRoundFrameTableWithButton (Lay_CONFIRM_BUTTON,
|
|
IHaveAPasswordInDB ? Txt_Change_password :
|
|
Txt_Set_password);
|
|
|
|
/***** End form *****/
|
|
Act_FormEnd ();
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/**************** Put form to request the new password once ******************/
|
|
/*****************************************************************************/
|
|
|
|
void Pwd_PutFormToGetNewPasswordOnce (void)
|
|
{
|
|
extern const char *The_ClassForm[The_NUM_THEMES];
|
|
extern const char *Txt_Password;
|
|
extern const char *Txt_HELP_password;
|
|
|
|
sprintf (Gbl.Alert.Txt,Txt_HELP_password,Pwd_MIN_CHARS_PLAIN_PASSWORD);
|
|
fprintf (Gbl.F.Out,"<tr>"
|
|
"<td class=\"RIGHT_MIDDLE\">"
|
|
"<label for=\"Passwd\" class=\"%s\">%s:</label>"
|
|
"</td>"
|
|
"<td class=\"LEFT_MIDDLE\">"
|
|
"<input type=\"password\" id=\"Passwd\" name=\"Paswd\""
|
|
" size=\"18\" maxlength=\"%u\" placeholder=\"%s\""
|
|
" required=\"required\" />"
|
|
"</td>"
|
|
"</tr>",
|
|
The_ClassForm[Gbl.Prefs.Theme],
|
|
Txt_Password,
|
|
Pwd_MAX_CHARS_PLAIN_PASSWORD,
|
|
Gbl.Alert.Txt);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/**************** Put form to request the new password twice *****************/
|
|
/*****************************************************************************/
|
|
|
|
void Pwd_PutFormToGetNewPasswordTwice (void)
|
|
{
|
|
extern const char *The_ClassForm[The_NUM_THEMES];
|
|
extern const char *Txt_New_password;
|
|
extern const char *Txt_HELP_password;
|
|
extern const char *Txt_Retype_new_password;
|
|
|
|
sprintf (Gbl.Alert.Txt,Txt_HELP_password,Pwd_MIN_CHARS_PLAIN_PASSWORD);
|
|
fprintf (Gbl.F.Out,"<tr>"
|
|
"<td class=\"RIGHT_MIDDLE\">"
|
|
"<label for=\"Paswd1\" class=\"%s\">%s:</label>"
|
|
"</td>"
|
|
"<td class=\"LEFT_MIDDLE\">"
|
|
"<input type=\"password\" id=\"Paswd1\" name=\"Paswd1\""
|
|
" size=\"18\" maxlength=\"%u\""
|
|
" placeholder=\"%s\" required=\"required\" />"
|
|
"</td>"
|
|
"</tr>"
|
|
"<tr>"
|
|
"<td class=\"RIGHT_MIDDLE\">"
|
|
"<label for=\"Paswd2\" class=\"%s\">%s:</label>"
|
|
"</td>"
|
|
"<td class=\"LEFT_MIDDLE\">"
|
|
"<input type=\"password\" id=\"Paswd2\" name=\"Paswd2\""
|
|
" size=\"18\" maxlength=\"%u\""
|
|
" placeholder=\"%s\" required=\"required\" />"
|
|
"</td>"
|
|
"</tr>",
|
|
The_ClassForm[Gbl.Prefs.Theme],
|
|
Txt_New_password,
|
|
Pwd_MAX_CHARS_PLAIN_PASSWORD,
|
|
Gbl.Alert.Txt,
|
|
The_ClassForm[Gbl.Prefs.Theme],
|
|
Txt_Retype_new_password,
|
|
Pwd_MAX_CHARS_PLAIN_PASSWORD,
|
|
Gbl.Alert.Txt);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/********** Show form to the change of password of another user **************/
|
|
/*****************************************************************************/
|
|
|
|
void Pwd_ShowFormOthPwd (void)
|
|
{
|
|
extern const char *Txt_Password;
|
|
extern const char *Txt_Change_password;
|
|
extern const char *Txt_User_not_found_or_you_do_not_have_permission_;
|
|
Act_Action_t NextAction;
|
|
|
|
/***** Get user whose password must be changed *****/
|
|
if (Usr_GetParamOtherUsrCodEncryptedAndGetUsrData ())
|
|
{
|
|
if (Usr_ICanEditOtherUsr (&Gbl.Usrs.Other.UsrDat))
|
|
{
|
|
/***** Start frame *****/
|
|
Lay_StartRoundFrame (NULL,Txt_Password,NULL,
|
|
NULL,
|
|
false); // Not closable
|
|
|
|
/***** Show user's record *****/
|
|
Rec_ShowSharedUsrRecord (Rec_SHA_RECORD_LIST,
|
|
&Gbl.Usrs.Other.UsrDat,NULL);
|
|
|
|
/***** Form to change password *****/
|
|
/* Start form */
|
|
switch (Gbl.Usrs.Other.UsrDat.Roles.InCurrentCrs.Role)
|
|
{
|
|
case Rol_STD:
|
|
NextAction = ActChgPwdStd;
|
|
break;
|
|
case Rol_NET:
|
|
case Rol_TCH:
|
|
NextAction = ActChgPwdTch;
|
|
break;
|
|
default: // Guest, user or admin
|
|
NextAction = ActChgPwdOth;
|
|
break;
|
|
}
|
|
Act_FormStart (NextAction);
|
|
Usr_PutParamOtherUsrCodEncrypted ();
|
|
|
|
/* New password */
|
|
Lay_StartTableCenter (2);
|
|
Pwd_PutFormToGetNewPasswordTwice ();
|
|
Lay_EndTable ();
|
|
|
|
/* End form */
|
|
Lay_PutConfirmButton (Txt_Change_password);
|
|
Act_FormEnd ();
|
|
|
|
/***** End frame *****/
|
|
Lay_EndRoundFrame ();
|
|
}
|
|
else
|
|
Ale_ShowAlert (Ale_WARNING,Txt_User_not_found_or_you_do_not_have_permission_);
|
|
}
|
|
else // User not found
|
|
Ale_ShowAlert (Ale_WARNING,Txt_User_not_found_or_you_do_not_have_permission_);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/********* Put a link to the action used to change user's password ***********/
|
|
/*****************************************************************************/
|
|
|
|
void Pwd_PutLinkToChangeMyPassword (void)
|
|
{
|
|
extern const char *Txt_Change_password;
|
|
|
|
/***** Link for changing the password *****/
|
|
Lay_PutContextualLink (ActFrmChgMyPwd,NULL,NULL,
|
|
"key64x64.gif",
|
|
Txt_Change_password,Txt_Change_password,
|
|
NULL);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/********* Put a link to the action used to change user's password ***********/
|
|
/*****************************************************************************/
|
|
|
|
void Pwd_PutLinkToChangeOtherUsrPassword (void)
|
|
{
|
|
extern const char *Txt_Change_password;
|
|
Act_Action_t NextAction;
|
|
|
|
/***** Link for changing the password *****/
|
|
if (Gbl.Usrs.Other.UsrDat.UsrCod == Gbl.Usrs.Me.UsrDat.UsrCod) // It's me
|
|
Pwd_PutLinkToChangeMyPassword ();
|
|
else // Not me
|
|
{
|
|
switch (Gbl.Usrs.Other.UsrDat.Roles.InCurrentCrs.Role)
|
|
{
|
|
case Rol_STD:
|
|
NextAction = ActFrmPwdStd;
|
|
break;
|
|
case Rol_NET:
|
|
case Rol_TCH:
|
|
NextAction = ActFrmPwdTch;
|
|
break;
|
|
default: // Guest, user or admin
|
|
NextAction = ActFrmPwdOth;
|
|
break;
|
|
}
|
|
Lay_PutContextualLink (NextAction,NULL,
|
|
Usr_PutParamOtherUsrCodEncrypted,
|
|
"key64x64.gif",
|
|
Txt_Change_password,Txt_Change_password,
|
|
NULL);
|
|
}
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/***************** Ask for confirmation on dangerous actions *****************/
|
|
/*****************************************************************************/
|
|
|
|
void Pwd_AskForConfirmationOnDangerousAction (void)
|
|
{
|
|
extern const char *The_ClassForm[The_NUM_THEMES];
|
|
extern const char *Txt_I_understand_that_this_action_can_not_be_undone;
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extern const char *Txt_For_security_enter_your_password;
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fprintf (Gbl.F.Out,"<div class=\"CENTER_MIDDLE\" style=\"margin:12px;\">"
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"<label class=\"%s\">"
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"<input type=\"checkbox\" name=\"Consent\" value=\"Y\" />"
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"%s"
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"</label>"
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"<br />"
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"<label class=\"%s\">"
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"%s: "
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"<input type=\"password\" name=\"OthUsrPwd\""
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" size=\"16\" maxlength=\"%u\""
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" autocomplete=\"off\" required=\"required\" />"
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"</label>"
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"</div>",
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The_ClassForm[Gbl.Prefs.Theme],
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Txt_I_understand_that_this_action_can_not_be_undone,
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The_ClassForm[Gbl.Prefs.Theme],
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Txt_For_security_enter_your_password,
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Pwd_MAX_CHARS_PLAIN_PASSWORD);
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}
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/*****************************************************************************/
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/******************** Get confirmation on dangerous actions ******************/
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/*****************************************************************************/
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// Returns true if consent have been checked and my password is correct
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bool Pwd_GetConfirmationOnDangerousAction (void)
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{
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extern const char *Txt_You_have_not_confirmed_the_action;
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extern const char *Txt_You_have_not_entered_your_password_correctly;
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char PlainPassword[Pwd_MAX_BYTES_PLAIN_PASSWORD + 1];
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char EncryptedPassword[Pwd_BYTES_ENCRYPTED_PASSWORD + 1];
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/***** Get if consent has been done *****/
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if (!Par_GetParToBool ("Consent"))
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{
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Ale_ShowAlert (Ale_WARNING,Txt_You_have_not_confirmed_the_action);
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return false;
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}
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/***** Get my password *****/
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/* Get plain password from form */
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Par_GetParToText ("OthUsrPwd",PlainPassword,Pwd_MAX_BYTES_PLAIN_PASSWORD);
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/* Encrypt password */
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Cry_EncryptSHA512Base64 (PlainPassword,EncryptedPassword);
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/* Compare passwords */
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if (strcmp (Gbl.Usrs.Me.LoginEncryptedPassword,EncryptedPassword))
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{
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Ale_ShowAlert (Ale_WARNING,Txt_You_have_not_entered_your_password_correctly);
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return false;
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}
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return true;
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}
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