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znc/ZNCString.h
psychon cd63bae006 Add sha256 support 
This imports the sha256 code from http://www.ouah.org/ogay/sha2/ (The other
hashes from sha-2 were removed). sha256 is a much stronger hashing algorithm
than md5 is (There were successful birthday attacks against md5).

All the code now defaults to creating sha256 salted hashes (The salting used is
the same as before).

Old znc.conf files can still be read.


git-svn-id: https://znc.svn.sourceforge.net/svnroot/znc/trunk@1618 726aef4b-f618-498e-8847-2d620e286838
2009-09-07 18:55:07 +00:00

206 lines
7.3 KiB
C++
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/*
* Copyright (C) 2004-2009 See the AUTHORS file for details.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*/
#ifndef ZNCSTRING_H
#define ZNCSTRING_H
#include <map>
#include <set>
#include <string>
#include <vector>
#include <list>
#include <sys/types.h>
using std::map;
using std::set;
using std::string;
using std::vector;
using std::list;
#define _SQL(s) CString("'" + CString(s).Escape_n(CString::ESQL) + "'")
#define _URL(s) CString("'" + CString(s).Escape_n(CString::EURL) + "'")
#define _HTML(s) CString("'" + CString(s).Escape_n(CString::EHTML) + "'")
class CString;
class MCString;
typedef set<CString> SCString;
typedef vector<CString> VCString;
typedef list<CString> LCString;
static const unsigned char XX = 0xff;
static const unsigned char base64_table[256] = {
XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX,
XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX,
XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,62, XX,XX,XX,63,
52,53,54,55, 56,57,58,59, 60,61,XX,XX, XX,XX,XX,XX,
XX, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10, 11,12,13,14,
15,16,17,18, 19,20,21,22, 23,24,25,XX, XX,XX,XX,XX,
XX,26,27,28, 29,30,31,32, 33,34,35,36, 37,38,39,40,
41,42,43,44, 45,46,47,48, 49,50,51,XX, XX,XX,XX,XX,
XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX,
XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX,
XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX,
XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX,
XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX,
XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX,
XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX,
XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX,
};
class CString : public string {
public:
typedef enum {
EASCII,
EURL,
EHTML,
ESQL
} EEscape;
explicit CString(bool b) : string(b ? "true" : "false") {}
explicit CString(char c);
explicit CString(unsigned char c);
explicit CString(short i);
explicit CString(unsigned short i);
explicit CString(int i);
explicit CString(unsigned int i);
explicit CString(long i);
explicit CString(unsigned long i);
explicit CString(long long i);
explicit CString(unsigned long long i);
explicit CString(double i, int precision = 2);
explicit CString(float i, int precision = 2);
CString() : string() {}
CString(const char* c) : string(c) {}
CString(const char* c, size_t l) : string(c, l) {}
CString(const string& s) : string(s) {}
~CString() {}
inline unsigned char* strnchr(const unsigned char* src, unsigned char c, unsigned int iMaxBytes, unsigned char* pFill = NULL, unsigned int* piCount = NULL) const;
int CaseCmp(const CString& s, unsigned long uLen = CString::npos) const;
int StrCmp(const CString& s, unsigned long uLen = CString::npos) const;
bool Equals(const CString& s, bool bCaseSensitive = false, unsigned long uLen = CString::npos) const;
static bool WildCmp(const CString& sWild, const CString& sString);
bool WildCmp(const CString& sWild) const;
CString& MakeUpper();
CString& MakeLower();
CString AsUpper() const;
CString AsLower() const;
static EEscape ToEscape(const CString& sEsc);
CString Escape_n(EEscape eFrom, EEscape eTo) const;
CString Escape_n(EEscape eTo) const;
CString& Escape(EEscape eFrom, EEscape eTo);
CString& Escape(EEscape eTo);
static unsigned int Replace(CString& sStr, const CString& sReplace, const CString& sWith, const CString& sLeft = "", const CString& sRight = "", bool bRemoveDelims = false);
CString Replace_n(const CString& sReplace, const CString& sWith, const CString& sLeft = "", const CString& sRight = "", bool bRemoveDelims = false) const;
unsigned int Replace(const CString& sReplace, const CString& sWith, const CString& sLeft = "", const CString& sRight = "", bool bRemoveDelims = false);
CString Ellipsize(unsigned int uLen) const;
CString Left(unsigned int uCount) const;
CString Right(unsigned int uCount) const;
CString FirstLine() const { return Token(0, false, "\n"); }
CString Token(unsigned int uPos, bool bRest = false, const CString& sSep = " ", bool bAllowEmpty = false, const CString& sLeft = "", const CString& sRight = "", bool bTrimQuotes = true) const;
unsigned int URLSplit(MCString& msRet) const;
unsigned int OptionSplit(MCString& msRet, bool bUpperKeys = false) const;
unsigned int QuoteSplit(VCString& vsRet) const;
unsigned int Split(const CString& sDelim, VCString& vsRet, bool bAllowEmpty = true,
const CString& sLeft = "", const CString& sRight = "", bool bTrimQuotes = true,
bool bTrimWhiteSpace = false) const;
unsigned int Split(const CString& sDelim, SCString& ssRet, bool bAllowEmpty = true,
const CString& sLeft = "", const CString& sRight = "", bool bTrimQuotes = true,
bool bTrimWhiteSpace = false) const;
static CString RandomString(unsigned int uLength);
CString MD5() const;
CString SHA256() const;
unsigned long Base64Decode(CString& sRet) const;
unsigned long Base64Decode();
CString Base64Decode_n() const;
bool Base64Encode(CString& sRet, unsigned int uWrap = 0) const;
bool Base64Encode(unsigned int uWrap = 0);
CString Base64Encode_n(unsigned int uWrap = 0) const;
#ifdef HAVE_LIBSSL
CString Encrypt_n(const CString& sPass, const CString& sIvec = "");
CString Decrypt_n(const CString& sPass, const CString& sIvec = "");
void Encrypt(const CString& sPass, const CString& sIvec = "");
void Decrypt(const CString& sPass, const CString& sIvec = "");
void Crypt(const CString& sPass, bool bEncrypt, const CString& sIvec = "");
#endif
static CString ToPercent(double d);
static CString ToByteStr(unsigned long long d);
static CString ToTimeStr(unsigned long s);
bool ToBool() const;
short ToShort() const;
unsigned short ToUShort() const;
int ToInt() const;
long ToLong() const;
unsigned int ToUInt() const;
unsigned long ToULong() const;
unsigned long long ToULongLong() const;
long long ToLongLong() const;
double ToDouble() const;
bool Trim(const CString& s = " \t\r\n");
bool TrimLeft(const CString& s = " \t\r\n");
bool TrimRight(const CString& s = " \t\r\n");
CString Trim_n(const CString& s = " \t\r\n") const;
CString TrimLeft_n(const CString& s = " \t\r\n") const;
CString TrimRight_n(const CString& s = " \t\r\n") const;
bool TrimPrefix(const CString& sPrefix);
bool TrimSuffix(const CString& sSuffix);
CString TrimPrefix_n(const CString& sPrefix) const;
CString TrimSuffix_n(const CString& sSuffix) const;
bool LeftChomp(unsigned int uLen = 1);
bool RightChomp(unsigned int uLen = 1);
CString LeftChomp_n(unsigned int uLen = 1) const;
CString RightChomp_n(unsigned int uLen = 1) const;
private:
protected:
};
class MCString : public map<CString, CString> {
public:
MCString() : map<CString, CString>() {}
virtual ~MCString() { clear(); }
enum
{
MCS_SUCCESS = 0,
MCS_EOPEN = 1,
MCS_EWRITE = 2,
MCS_EWRITEFIL = 3,
MCS_EREADFIL = 4
};
int WriteToDisk(const CString& sPath, mode_t iMode = 0644);
int ReadFromDisk(const CString& sPath, mode_t iMode = 0644);
virtual bool WriteFilter(CString& sKey, CString& sValue) { return true; }
virtual bool ReadFilter(CString& sKey, CString& sValue) { return true; }
//! make them parse safe, right now using hex encoding on anything !isalnum
virtual CString& Encode(CString& sValue);
virtual CString& Decode(CString& sValue);
};
#endif // !ZNCSTRING_H
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