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*/ 54 static wchar_t * 55 utf8_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 70 char * 71 readpassphrase(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