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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is the Netscape security libraries.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1994-2000
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "secutil.h"
/*
* NOTE: The contents of this file are NOT used by the client.
* (They are part of the security library as a whole, but they are
* NOT USED BY THE CLIENT.) Do not change things on behalf of the
* client (like localizing strings), or add things that are only
* for the client (put them elsewhere).
*/
#ifdef XP_UNIX
#include <termios.h>
#endif
#if defined(XP_UNIX) || defined(XP_BEOS)
#include <unistd.h> /* for isatty() */
#endif
#if( defined(_WINDOWS) && !defined(_WIN32_WCE)) || defined(XP_OS2_VACPP)
#include <conio.h>
#include <io.h>
#define QUIET_FGETS quiet_fgets
static char * quiet_fgets (char *buf, int length, FILE *input);
#else
#define QUIET_FGETS fgets
#endif
static void echoOff(int fd)
{
#if defined(XP_UNIX) && !defined(VMS)
if (isatty(fd)) {
struct termios tio;
tcgetattr(fd, &tio);
tio.c_lflag &= ~ECHO;
tcsetattr(fd, TCSAFLUSH, &tio);
}
#endif
}
static void echoOn(int fd)
{
#if defined(XP_UNIX) && !defined(VMS)
if (isatty(fd)) {
struct termios tio;
tcgetattr(fd, &tio);
tio.c_lflag |= ECHO;
tcsetattr(fd, TCSAFLUSH, &tio);
}
#endif
}
char *SEC_GetPassword(FILE *input, FILE *output, char *prompt,
PRBool (*ok)(char *))
{
#if defined(_WINDOWS)
int isTTY = (input == stdin);
#define echoOn(x)
#define echoOff(x)
#else
int infd = fileno(input);
int isTTY = isatty(infd);
#endif
char phrase[200] = {'\0'}; /* ensure EOF doesn't return junk */
for (;;) {
/* Prompt for password */
if (isTTY) {
fprintf(output, "%s", prompt);
fflush (output);
echoOff(infd);
}
QUIET_FGETS ( phrase, sizeof(phrase), input);
if (isTTY) {
fprintf(output, "\n");
echoOn(infd);
}
/* stomp on newline */
phrase[PORT_Strlen(phrase)-1] = 0;
/* Validate password */
if (!(*ok)(phrase)) {
/* Not weird enough */
if (!isTTY) return 0;
fprintf(output, "Password must be at least 8 characters long with one or more\n");
fprintf(output, "non-alphabetic characters\n");
continue;
}
return (char*) PORT_Strdup(phrase);
}
}
PRBool SEC_CheckPassword(char *cp)
{
int len;
char *end;
len = PORT_Strlen(cp);
if (len < 8) {
return PR_FALSE;
}
end = cp + len;
while (cp < end) {
unsigned char ch = *cp++;
if (!((ch >= 'A') && (ch <= 'Z')) &&
!((ch >= 'a') && (ch <= 'z'))) {
/* pass phrase has at least one non alphabetic in it */
return PR_TRUE;
}
}
return PR_FALSE;
}
PRBool SEC_BlindCheckPassword(char *cp)
{
if (cp != NULL) {
return PR_TRUE;
}
return PR_FALSE;
}
/* Get a password from the input terminal, without echoing */
#if defined(_WINDOWS) || defined(XP_OS2_VACPP)
static char * quiet_fgets (char *buf, int length, FILE *input)
{
int c;
char *end = buf;
/* fflush (input); */
memset (buf, 0, length);
#ifndef XP_OS2_VACPP
if (input != stdin) {
return fgets(buf,length,input);
}
#else
if (!isatty(fileno(input))) {
return fgets(buf,length,input);
}
#endif
while (1)
{
#if defined (_WIN32_WCE)
c = getchar(); /* gets a character from stdin */
#else
c = getch(); /* getch gets a character from the console */
#endif
if (c == '\b')
{
if (end > buf)
end--;
}
else if (--length > 0)
*end++ = c;
if (!c || c == '\n' || c == '\r')
break;
}
return buf;
}
#endif
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