gecko-dev/security/nss/cmd/lib/secpwd.c

200 lines
4.6 KiB
C

/*
* 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 Netscape are
* Copyright (C) 1994-2000 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the
* terms of the GNU General Public License Version 2 or later (the
* "GPL"), in which case the provisions of the GPL are applicable
* instead of those above. If you wish to allow use of your
* version of this file only under the terms of the GPL and not to
* allow others to use your version of this file under the MPL,
* indicate your decision by deleting the provisions above and
* replace them with the notice and other provisions required by
* the GPL. If you do not delete the provisions above, a recipient
* may use your version of this file under either the MPL or the
* GPL.
*/
#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>
#include <unistd.h>
#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];
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