mirror of
https://github.com/ElvishArtisan/rivendell.git
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ac594cc68b
* Cleaned up deprecation warnings for 'QString::sprintf()'. Signed-off-by: Fred Gleason <fredg@paravelsystems.com>
103 lines
2.3 KiB
C++
103 lines
2.3 KiB
C++
// rdhash.cpp
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//
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// Functions for generating hashes.
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//
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// (C) Copyright 2017-2021 Fred Gleason <fredg@paravelsystems.com>
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//
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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 General Public License version 2 as
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// published by the Free Software Foundation.
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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
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// GNU 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 Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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#include <fcntl.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <openssl/sha.h>
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#include <QDateTime>
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#include "rdhash.h"
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QString __RDSha1Hash_MakePasswordHash(const QString &secret,const QString &salt)
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{
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SHA_CTX ctx;
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unsigned char md[SHA_DIGEST_LENGTH];
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SHA1_Init(&ctx);
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SHA1_Update(&ctx,salt.toUtf8(),salt.toUtf8().length());
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SHA1_Update(&ctx,secret.toUtf8(),secret.toUtf8().length());
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SHA1_Final(md,&ctx);
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QString ret=salt;
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for(int i=0;i<SHA_DIGEST_LENGTH;i++) {
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ret+=QString::asprintf("%02x",0xff&md[i]);
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}
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return ret;
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}
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QString RDSha1HashFile(const QString &filename,bool throttle)
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{
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QString ret;
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SHA_CTX ctx;
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int fd=-1;
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int n;
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char data[1024];
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unsigned char md[SHA_DIGEST_LENGTH];
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if((fd=open(filename.toUtf8(),O_RDONLY))<0) {
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return ret;
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}
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SHA1_Init(&ctx);
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while((n=read(fd,data,1024))>0) {
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SHA1_Update(&ctx,data,n);
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if(throttle) {
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usleep(1);
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}
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}
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close(fd);
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SHA1_Final(md,&ctx);
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ret="";
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for(int i=0;i<SHA_DIGEST_LENGTH;i++) {
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ret+=QString::asprintf("%02x",0xff&md[i]);
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}
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return ret;
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}
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QString RDSha1HashPassword(const QString &secret)
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{
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//
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// Create a salt value
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//
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srand(QDateTime::currentDateTime().toMSecsSinceEpoch());
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QString salt=QString::asprintf("%08x",rand());
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//
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// Generate the hash
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//
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return __RDSha1Hash_MakePasswordHash(secret,salt);
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}
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bool RDSha1HashCheckPassword(const QString &secret,const QString &hash)
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{
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QString salt=secret.left(8);
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return __RDSha1Hash_MakePasswordHash(secret,hash.left(8))==hash;
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}
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