/* Legal Notice: Some portions of the source code contained in this file were derived from the source code of TrueCrypt 7.1a, which is Copyright (c) 2003-2012 TrueCrypt Developers Association and which is governed by the TrueCrypt License 3.0, also from the source code of Encryption for the Masses 2.02a, which is Copyright (c) 1998-2000 Paul Le Roux and which is governed by the 'License Agreement for Encryption for the Masses' Modifications and additions to the original source code (contained in this file) and all other portions of this file are Copyright (c) 2013-2016 IDRIX and are governed by the Apache License 2.0 the full text of which is contained in the file License.txt included in VeraCrypt binary and source code distribution packages. */ #include "Tcdefs.h" #include #include #include "Cmdline.h" #include "Resource.h" #include "Crypto.h" #include "Apidrvr.h" #include "Dlgcode.h" #include "Language.h" #include #ifndef SRC_POS #define SRC_POS (__FUNCTION__ ":" TC_TO_STRING(__LINE__)) #endif /* Except in response to the WM_INITDIALOG message, the dialog box procedure should return nonzero if it processes the message, and zero if it does not. - see DialogProc */ BOOL CALLBACK CommandHelpDlgProc (HWND hwndDlg, UINT msg, WPARAM wParam, LPARAM lParam) { UNREFERENCED_PARAMETER (lParam); /* remove warning */ UNREFERENCED_PARAMETER (wParam); /* remove warning */ switch (msg) { case WM_INITDIALOG: { wchar_t * tmp = err_malloc(8192 * sizeof (wchar_t)); wchar_t tmp2[MAX_PATH * 2]; argumentspec *as; int i; LocalizeDialog (hwndDlg, "IDD_COMMANDHELP_DLG"); as = (argumentspec*) lParam; *tmp = 0; StringCchCopyW (tmp, 8192, L"VeraCrypt " _T(VERSION_STRING)); #ifdef _WIN64 StringCchCatW (tmp, 8192, L" (64-bit)"); #else StringCchCatW (tmp, 8192, L" (32-bit)"); #endif #if (defined(_DEBUG) || defined(DEBUG)) StringCchCatW (tmp, 8192, L" (debug)"); #endif StringCchCatW (tmp, 8192, L"\n\nCommand line options:\n\n"); for (i = 0; i < as->arg_cnt; i ++) { if (!as->args[i].Internal) { StringCchPrintfW(tmp2, MAX_PATH * 2, L"%s\t%s\n", as->args[i].short_name, as->args[i].long_name); StringCchCatW(tmp, 8192, tmp2); } } StringCchCatW (tmp, 8192, L"\nExamples:\n\nMount a volume as X:\tveracrypt.exe /q /v volume.hc /l X\nDismount a volume X:\tveracrypt.exe /q /d X"); SetWindowTextW (GetDlgItem (hwndDlg, IDC_COMMANDHELP_TEXT), tmp); TCfree(tmp); return 1; } case WM_COMMAND: EndDialog (hwndDlg, IDOK); return 1; case WM_CLOSE: EndDialog (hwndDlg, 0); return 1; } return 0; } int Win32CommandLine (wchar_t ***lpszArgs) { int argumentCount; int i; LPWSTR *arguments = CommandLineToArgvW (GetCommandLineW(), &argumentCount); if (!arguments) { handleWin32Error (NULL, SRC_POS); return 0; } --argumentCount; if (argumentCount < 1) { LocalFree (arguments); return 0; } *lpszArgs = malloc (sizeof (wchar_t *) * argumentCount); if (!*lpszArgs) AbortProcess ("OUTOFMEMORY"); for (i = 0; i < argumentCount; ++i) { wchar_t *arg = _wcsdup (arguments[i + 1]); if (!arg) AbortProcess ("OUTOFMEMORY"); (*lpszArgs)[i] = arg; } LocalFree (arguments); return argumentCount; } int GetArgSepPosOffset (wchar_t *lpszArgument) { if (lpszArgument[0] == L'/') return 1; return 0; } int GetArgumentID (argumentspec *as, wchar_t *lpszArgument) { int i; for (i = 0; i < as->arg_cnt; i++) { if (_wcsicmp (as->args[i].long_name, lpszArgument) == 0) { return as->args[i].Id; } } for (i = 0; i < as->arg_cnt; i++) { if (as->args[i].short_name[0] == 0) continue; if (_wcsicmp (as->args[i].short_name, lpszArgument) == 0) { return as->args[i].Id; } } return -1; } int GetArgumentValue (wchar_t **lpszCommandLineArgs, int *nArgIdx, int nNoCommandLineArgs, wchar_t *lpszValue, int nValueSize) { *lpszValue = 0; if (*nArgIdx + 1 < nNoCommandLineArgs) { int x = GetArgSepPosOffset (lpszCommandLineArgs[*nArgIdx + 1]); if (x == 0) { /* Handles the case of space between parameter code and value */ StringCchCopyW (lpszValue, nValueSize, lpszCommandLineArgs[*nArgIdx + 1]); lpszValue[nValueSize - 1] = 0; (*nArgIdx)++; return HAS_ARGUMENT; } } return HAS_NO_ARGUMENT; } id='n27' href='#n27'>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 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150
/* Adapted from NetBSB libc by Dieter Baron */

/*	NetBSD: gettemp.c,v 1.13 2003/12/05 00:57:36 uebayasi Exp 	*/

/*
 * Copyright (c) 1987, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#include <sys/types.h>
#include <sys/stat.h>

#include <assert.h>
#include <ctype.h>
#include <errno.h>
#include <fcntl.h>
#ifdef _WIN32
#include <io.h>
#endif
#include <stdio.h>
#include <stdlib.h>

#ifndef O_BINARY
#define O_BINARY 0
#endif


int
_zip_mkstemp(char *path)
{
#ifdef _WIN32
	int ret;
	ret = _creat(_mktemp(path), _S_IREAD|_S_IWRITE);
	if (ret == -1) {
		return 0;
	} else {
		return ret;
	}
#else
	int fd;   
	char *start, *trv;
	struct stat sbuf;
	pid_t pid;

	/* To guarantee multiple calls generate unique names even if
	   the file is not created. 676 different possibilities with 7
	   or more X's, 26 with 6 or less. */
	static char xtra[2] = "aa";
	int xcnt = 0;

	pid = getpid();

	/* Move to end of path and count trailing X's. */
	for (trv = path; *trv; ++trv)
		if (*trv == 'X')
			xcnt++;
		else
			xcnt = 0;	

	/* Use at least one from xtra.  Use 2 if more than 6 X's. */
	if (*(trv - 1) == 'X')
		*--trv = xtra[0];
	if (xcnt > 6 && *(trv - 1) == 'X')
		*--trv = xtra[1];

	/* Set remaining X's to pid digits with 0's to the left. */
	while (*--trv == 'X') {
		*trv = (pid % 10) + '0';
		pid /= 10;
	}

	/* update xtra for next call. */
	if (xtra[0] != 'z')
		xtra[0]++;
	else {
		xtra[0] = 'a';
		if (xtra[1] != 'z')
			xtra[1]++;
		else
			xtra[1] = 'a';
	}

	/*
	 * check the target directory; if you have six X's and it
	 * doesn't exist this runs for a *very* long time.
	 */
	for (start = trv + 1;; --trv) {
		if (trv <= path)
			break;
		if (*trv == '/') {
			*trv = '\0';
			if (stat(path, &sbuf))
				return (0);
			if (!S_ISDIR(sbuf.st_mode)) {
				errno = ENOTDIR;
				return (0);
			}
			*trv = '/';
			break;
		}
	}

	for (;;) {
		if ((fd=open(path, O_CREAT|O_EXCL|O_RDWR|O_BINARY, 0600)) >= 0)
			return (fd);
		if (errno != EEXIST)
			return (0);

		/* tricky little algorithm for backward compatibility */
		for (trv = start;;) {
			if (!*trv)
				return (0);
			if (*trv == 'z')
				*trv++ = 'a';
			else {
				if (isdigit((unsigned char)*trv))
					*trv = 'a';
				else
					++*trv;
				break;
			}
		}
	}
	/*NOTREACHED*/
#endif
}