1
/* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
2
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
4
* Copyright (C) 2008 Sun Microsystems, Inc.
6
* This program is free software; you can redistribute it and/or modify
7
* it under the terms of the GNU General Public License as published by
8
* the Free Software Foundation; version 2 of the License.
10
* This program is distributed in the hope that it will be useful,
11
* but WITHOUT ANY WARRANTY; without even the implied warranty of
12
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13
* GNU General Public License for more details.
15
* You should have received a copy of the GNU General Public License
16
* along with this program; if not, write to the Free Software
17
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
21
** Ask for a password from tty
22
** This is an own file to avoid conflicts with curses
26
#include "client/get_password.h"
36
#include <sys/ioctl.h>
37
#ifdef HAVE_TERMIOS_H /* For tty-password */
39
# define TERMIO struct termios
41
# ifdef HAVE_TERMIO_H /* For tty-password */
43
# define TERMIO struct termio
46
# define TERMIO struct sgttyb
52
bool tty_password= false;
53
const std::string PASSWORD_SENTINEL("\0\0\0\0\0", 5);
56
Can't use fgets, because readline will get confused
57
length is max number of chars in to, not counting \0
58
to will not include the eol characters.
61
static void get_password(char *to, uint32_t length,int fd, bool echo)
63
char *pos=to,*end=to+length;
68
if (read(fd,&tmp,1) != 1)
70
if (tmp == '\b' || (int) tmp == 127)
76
fputs("\b \b",stderr);
83
if (tmp == '\n' || tmp == '\r' || tmp == 3)
85
if (iscntrl(tmp) || pos == end)
89
while (pos != to && isspace(pos[-1]) == ' ')
90
pos--; /* Allow dummy space at end */
96
char *client_get_tty_password(const char *opt_message)
101
if (isatty(fileno(stderr)))
103
fputs(opt_message ? opt_message : "Enter password: ",stderr);
106
# if defined(HAVE_TERMIOS_H)
107
tcgetattr(fileno(stdin), &org);
109
tmp.c_lflag &= ~(ECHO | ISIG | ICANON);
112
tcsetattr(fileno(stdin), TCSADRAIN, &tmp);
113
get_password(buff, sizeof(buff)-1, fileno(stdin), isatty(fileno(stderr)));
114
tcsetattr(fileno(stdin), TCSADRAIN, &org);
115
# elif defined(HAVE_TERMIO_H)
116
ioctl(fileno(stdin), (int) TCGETA, &org);
118
tmp.c_lflag &= ~(ECHO | ISIG | ICANON);
121
ioctl(fileno(stdin),(int) TCSETA, &tmp);
122
get_password(buff,sizeof(buff)-1,fileno(stdin),isatty(fileno(stderr)));
123
ioctl(fileno(stdin),(int) TCSETA, &org);
125
gtty(fileno(stdin), &org);
127
tmp.sg_flags &= ~ECHO;
129
stty(fileno(stdin), &tmp);
130
get_password(buff,sizeof(buff)-1,fileno(stdin),isatty(fileno(stderr)));
131
stty(fileno(stdin), &org);
133
if (isatty(fileno(stderr)))
139
pair<string, string> parse_password_arg(string s)
141
if (s.find("--password") == 0)
143
if (s == "--password")
146
//check if no argument is passed.
147
return make_pair("password", PASSWORD_SENTINEL);
150
if (s.substr(10,3) == "=\"\"" || s.substr(10,3) == "=''")
152
// Check if --password="" or --password=''
153
return make_pair("password", PASSWORD_SENTINEL);
156
if(s.substr(10) == "=" && s.length() == 11)
158
// check if --password= and return a default value
159
return make_pair("password", PASSWORD_SENTINEL);
163
return make_pair(string(""), string(""));