зеркало из https://github.com/mozilla/gecko-dev.git
165 строки
3.2 KiB
C
165 строки
3.2 KiB
C
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "secutil.h"
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/*
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* NOTE: The contents of this file are NOT used by the client.
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* (They are part of the security library as a whole, but they are
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* NOT USED BY THE CLIENT.) Do not change things on behalf of the
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* client (like localizing strings), or add things that are only
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* for the client (put them elsewhere).
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*/
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#ifdef XP_UNIX
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#include <termios.h>
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#endif
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#if defined(XP_UNIX) || defined(XP_BEOS)
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#include <unistd.h> /* for isatty() */
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#endif
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#if defined(_WINDOWS)
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#include <conio.h>
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#include <io.h>
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#define QUIET_FGETS quiet_fgets
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static char * quiet_fgets (char *buf, int length, FILE *input);
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#else
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#define QUIET_FGETS fgets
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#endif
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static void echoOff(int fd)
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{
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#if defined(XP_UNIX)
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if (isatty(fd)) {
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struct termios tio;
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tcgetattr(fd, &tio);
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tio.c_lflag &= ~ECHO;
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tcsetattr(fd, TCSAFLUSH, &tio);
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}
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#endif
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}
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static void echoOn(int fd)
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{
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#if defined(XP_UNIX)
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if (isatty(fd)) {
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struct termios tio;
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tcgetattr(fd, &tio);
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tio.c_lflag |= ECHO;
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tcsetattr(fd, TCSAFLUSH, &tio);
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}
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#endif
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}
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char *SEC_GetPassword(FILE *input, FILE *output, char *prompt,
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PRBool (*ok)(char *))
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{
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#if defined(_WINDOWS)
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int isTTY = (input == stdin);
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#define echoOn(x)
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#define echoOff(x)
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#else
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int infd = fileno(input);
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int isTTY = isatty(infd);
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#endif
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char phrase[200] = {'\0'}; /* ensure EOF doesn't return junk */
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for (;;) {
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/* Prompt for password */
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if (isTTY) {
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fprintf(output, "%s", prompt);
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fflush (output);
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echoOff(infd);
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}
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QUIET_FGETS ( phrase, sizeof(phrase), input);
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if (isTTY) {
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fprintf(output, "\n");
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echoOn(infd);
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}
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/* stomp on newline */
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phrase[PORT_Strlen(phrase)-1] = 0;
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/* Validate password */
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if (!(*ok)(phrase)) {
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/* Not weird enough */
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if (!isTTY) return 0;
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fprintf(output, "Password must be at least 8 characters long with one or more\n");
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fprintf(output, "non-alphabetic characters\n");
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continue;
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}
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return (char*) PORT_Strdup(phrase);
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}
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}
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PRBool SEC_CheckPassword(char *cp)
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{
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int len;
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char *end;
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len = PORT_Strlen(cp);
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if (len < 8) {
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return PR_FALSE;
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}
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end = cp + len;
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while (cp < end) {
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unsigned char ch = *cp++;
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if (!((ch >= 'A') && (ch <= 'Z')) &&
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!((ch >= 'a') && (ch <= 'z'))) {
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/* pass phrase has at least one non alphabetic in it */
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return PR_TRUE;
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}
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}
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return PR_FALSE;
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}
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PRBool SEC_BlindCheckPassword(char *cp)
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{
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if (cp != NULL) {
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return PR_TRUE;
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}
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return PR_FALSE;
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}
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/* Get a password from the input terminal, without echoing */
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#if defined(_WINDOWS)
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static char * quiet_fgets (char *buf, int length, FILE *input)
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{
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int c;
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char *end = buf;
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/* fflush (input); */
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memset (buf, 0, length);
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if (!isatty(fileno(input))) {
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return fgets(buf,length,input);
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}
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while (1)
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{
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c = getch(); /* getch gets a character from the console */
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if (c == '\b')
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{
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if (end > buf)
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end--;
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}
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else if (--length > 0)
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*end++ = c;
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if (!c || c == '\n' || c == '\r')
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break;
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}
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return buf;
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}
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#endif
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