1/* 2* Author: Manoj Ampalam <manoj.ampalam@microsoft.com> 3* 4* Author: Bryan Berns <berns@uwalumni.com> 5* Modified group detection use s4u token information 6* 7* Copyright(c) 2016 Microsoft Corp. 8* All rights reserved 9* 10* Misc Unix POSIX routine implementations for Windows 11* 12* Redistribution and use in source and binary forms, with or without 13* modification, are permitted provided that the following conditions 14* are met : 15* 16* 1. Redistributions of source code must retain the above copyright 17* notice, this list of conditions and the following disclaimer. 18* 2. Redistributions in binary form must reproduce the above copyright 19* notice, this list of conditions and the following disclaimer in the 20* documentation and / or other materials provided with the distribution. 21* 22* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES(INCLUDING, BUT 27* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32*/ 33 34#define UMDF_USING_NTSTATUS 35#define SECURITY_WIN32 36#include <windows.h> 37#include <stdio.h> 38#include <time.h> 39#include <shlwapi.h> 40#include <conio.h> 41#include <lm.h> 42#include <sddl.h> 43#include <aclapi.h> 44#include <ntsecapi.h> 45#include <security.h> 46#include <ntstatus.h> 47#include <wchar.h> 48 49#include "openbsd-compat.h" 50 51#ifndef HAVE_READPASSPHRASE 52 53/*on error returns NULL and sets errno*/ 54static wchar_t * 55utf8_to_utf16(const char *utf8) 56{ 57 int needed = 0; 58 wchar_t* utf16 = NULL; 59 if ((needed = MultiByteToWideChar(CP_UTF8, 0, utf8, -1, NULL, 0)) == 0 || 60 (utf16 = malloc(needed * sizeof(wchar_t))) == NULL || 61 MultiByteToWideChar(CP_UTF8, 0, utf8, -1, utf16, needed) == 0) { 62 /* debug3("failed to convert utf8 payload:%s error:%d", utf8, GetLastError()); */ 63 errno = ENOMEM; 64 return NULL; 65 } 66 67 return utf16; 68} 69 70char * 71readpassphrase(const char *prompt, char *outBuf, size_t outBufLen, int flags) 72{ 73 size_t current_index = 0; 74 char ch; 75 wchar_t* wtmp = NULL; 76 77 if (outBufLen == 0) { 78 errno = EINVAL; 79 return NULL; 80 } 81 82 while (_kbhit()) (void)_getch(); 83 84 wtmp = utf8_to_utf16(prompt); 85 if (wtmp == NULL) 86 errx(1, "unable to alloc memory"); 87 88 _cputws(wtmp); 89 free(wtmp); 90 91 while (current_index < outBufLen - 1) { 92 ch = (char)_getch(); 93 94 if (ch == '\r') { 95 if (_kbhit()) (void)_getch(); /* read linefeed if its there */ 96 break; 97 } else if (ch == '\n') { 98 break; 99 } else if (ch == '\b') { /* backspace */ 100 if (current_index > 0) { 101 if (flags & RPP_ECHO_ON) 102 printf_s("%c \b", ch); 103 104 current_index--; /* overwrite last character */ 105 } 106 } else if (ch == '\003') { /* exit on Ctrl+C */ 107 errx(1, ""); 108 } else { 109 if (flags & RPP_SEVENBIT) 110 ch &= 0x7f; 111 112 if (isalpha((unsigned char)ch)) { 113 if(flags & RPP_FORCELOWER) 114 ch = (char)tolower((unsigned char)ch); 115 if(flags & RPP_FORCEUPPER) 116 ch = (char)toupper((unsigned char)ch); 117 } 118 119 outBuf[current_index++] = ch; 120 if(flags & RPP_ECHO_ON) 121 printf_s("%c", ch); 122 } 123 } 124 125 outBuf[current_index] = '\0'; 126 _cputs("\n"); 127 128 return outBuf; 129} 130 131#endif /* HAVE_READPASSPHRASE */ 132