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/* vim: set tabstop=8 shiftwidth=4 softtabstop=4 expandtab smarttab colorcolumn=80: */
/*
* Copyright 2017 Red Hat, Inc.
*
* Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <string.h>
#include <ctype.h>
#ifdef _WIN32
static const char *
jwe_getpass(const char *prompt)
{
static char pwd[4096];
fprintf(stdout, "%s", prompt);
memset(pwd, 0, sizeof(pwd));
for (size_t i = 0; i < sizeof(pwd) - 1; i++) {
int c = fgetc(stdin);
if (c == EOF || !isprint(c) || isspace(c))
break;
pwd[i] = c;
}
return pwd;
}
#else
#include <termios.h>
static const char *
jwe_getpass(const char *prompt)
{
static char pwd[4096];
struct termios of, nf;
FILE *tty = NULL;
tty = fopen("/dev/tty", "r+");
if (!tty)
return NULL;
tcgetattr(fileno(tty), &of);
nf = of;
nf.c_lflag &= ~ECHO;
nf.c_lflag |= ECHONL;
if (tcsetattr(fileno(tty), TCSANOW, &nf) != 0) {
fclose(tty);
return NULL;
}
fprintf(tty, "%s", prompt);
memset(pwd, 0, sizeof(pwd));
for (size_t i = 0; i < sizeof(pwd) - 1; i++) {
int c = fgetc(tty);
if (c == EOF || !isprint(c) || isspace(c))
break;
pwd[i] = c;
}
tcsetattr(fileno(tty), TCSANOW, &of);
fclose(tty);
return pwd;
}
#endif
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