1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
|
/* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2008 Sun Microsystems, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/*
** Ask for a password from tty
** This is an own file to avoid conflicts with curses
*/
#include <drizzled/global.h>
#include "libdrizzle.h"
#include <libdrizzle/get_password.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <unistd.h>
#include <sys/ioctl.h>
#ifdef HAVE_TERMIOS_H /* For tty-password */
# include <termios.h>
# define TERMIO struct termios
#else
# ifdef HAVE_TERMIO_H /* For tty-password */
# include <termio.h>
# define TERMIO struct termio
# else
# include <sgtty.h>
# define TERMIO struct sgttyb
# endif
#endif
/*
Can't use fgets, because readline will get confused
length is max number of chars in to, not counting \0
to will not include the eol characters.
*/
static void get_password(char *to, uint32_t length,int fd, bool echo)
{
char *pos=to,*end=to+length;
for (;;)
{
char tmp;
if (read(fd,&tmp,1) != 1)
break;
if (tmp == '\b' || (int) tmp == 127)
{
if (pos != to)
{
if (echo)
{
fputs("\b \b",stdout);
fflush(stdout);
}
pos--;
continue;
}
}
if (tmp == '\n' || tmp == '\r' || tmp == 3)
break;
if (iscntrl(tmp) || pos == end)
continue;
if (echo)
{
fputc('*',stdout);
fflush(stdout);
}
*(pos++) = tmp;
}
while (pos != to && isspace(pos[-1]) == ' ')
pos--; /* Allow dummy space at end */
*pos=0;
return;
}
char *get_tty_password(const char *opt_message)
{
TERMIO org,tmp;
char buff[80];
if (isatty(fileno(stdout)))
{
fputs(opt_message ? opt_message : "Enter password: ",stdout);
fflush(stdout);
}
# if defined(HAVE_TERMIOS_H)
tcgetattr(fileno(stdin), &org);
tmp = org;
tmp.c_lflag &= ~(ECHO | ISIG | ICANON);
tmp.c_cc[VMIN] = 1;
tmp.c_cc[VTIME] = 0;
tcsetattr(fileno(stdin), TCSADRAIN, &tmp);
get_password(buff, sizeof(buff)-1, fileno(stdin), isatty(fileno(stdout)));
tcsetattr(fileno(stdin), TCSADRAIN, &org);
# elif defined(HAVE_TERMIO_H)
ioctl(fileno(stdin), (int) TCGETA, &org);
tmp=org;
tmp.c_lflag &= ~(ECHO | ISIG | ICANON);
tmp.c_cc[VMIN] = 1;
tmp.c_cc[VTIME]= 0;
ioctl(fileno(stdin),(int) TCSETA, &tmp);
get_password(buff,sizeof(buff)-1,fileno(stdin),isatty(fileno(stdout)));
ioctl(fileno(stdin),(int) TCSETA, &org);
# else
gtty(fileno(stdin), &org);
tmp=org;
tmp.sg_flags &= ~ECHO;
tmp.sg_flags |= RAW;
stty(fileno(stdin), &tmp);
get_password(buff,sizeof(buff)-1,fileno(stdin),isatty(fileno(stdout)));
stty(fileno(stdin), &org);
# endif
if (isatty(fileno(stdout)))
fputc('\n',stdout);
return strdup(buff);
}
|