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
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
|
/* Copyright (C) 1992, 1993, 1994 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
/* Modified to use with samba by Jeremy Allison, 8th July 1995. */
#include "includes.h"
#ifdef REPLACE_GETPASS
#ifdef SYSV_TERMIO
/* SYSTEM V TERMIO HANDLING */
static struct termio t;
#define ECHO_IS_ON(t) ((t).c_lflag & ECHO)
#define TURN_ECHO_OFF(t) ((t).c_lflag &= ~ECHO)
#define TURN_ECHO_ON(t) ((t).c_lflag |= ECHO)
#ifndef TCSAFLUSH
#define TCSAFLUSH 1
#endif
#ifndef TCSANOW
#define TCSANOW 0
#endif
int tcgetattr(int fd, struct termio *t)
{
return ioctl(fd, TCGETA, t);
}
int tcsetattr(int fd, int flags, const struct termio *t)
{
if(flags & TCSAFLUSH)
ioctl(fd, TCFLSH, TCIOFLUSH);
return ioctl(fd, TCSETS, t);
}
#else /* SYSV_TERMIO */
#ifdef BSD_TERMIO
/* BSD TERMIO HANDLING */
static struct sgttyb t;
#define ECHO_IS_ON(t) ((t).sg_flags & ECHO)
#define TURN_ECHO_OFF(t) ((t).sg_flags &= ~ECHO)
#define TURN_ECHO_ON(t) ((t).sg_flags |= ECHO)
#ifndef TCSAFLUSH
#define TCSAFLUSH 1
#endif
#ifndef TCSANOW
#define TCSANOW 0
#endif
int tcgetattr(int fd, struct sgttyb *t)
{
return ioctl(fd, TIOCGETP, (char *)t);
}
int tcsetattr(int fd, int flags, const struct sgttyb *t)
{
return ioctl(fd, TIOCSETP, (char *)t);
}
#else /* BSD_TERMIO */
/* POSIX TERMIO HANDLING */
#define ECHO_IS_ON(t) ((t).c_lflag & ECHO)
#define TURN_ECHO_OFF(t) ((t).c_lflag &= ~ECHO)
#define TURN_ECHO_ON(t) ((t).c_lflag |= ECHO)
static struct termios t;
#endif /* BSD_TERMIO */
#endif /* SYSV_TERMIO */
char *getsmbpass(char *prompt)
{
FILE *in, *out;
int echo_off;
static char buf[256];
static size_t bufsize = sizeof(buf);
size_t nread;
/* Catch problematic signals */
signal(SIGINT, SIGNAL_CAST SIG_IGN);
/* Try to write to and read from the terminal if we can.
If we can't open the terminal, use stderr and stdin. */
in = fopen ("/dev/tty", "w+");
if (in == NULL)
{
in = stdin;
out = stderr;
}
else
out = in;
setvbuf(in, NULL, _IONBF, 0);
/* Turn echoing off if it is on now. */
if (tcgetattr (fileno (in), &t) == 0)
{
if (ECHO_IS_ON(t))
{
TURN_ECHO_OFF(t);
echo_off = tcsetattr (fileno (in), TCSAFLUSH, &t) == 0;
TURN_ECHO_ON(t);
}
else
echo_off = 0;
}
else
echo_off = 0;
/* Write the prompt. */
fputs (prompt, out);
fflush (out);
/* Read the password. */
buf[0] = 0;
fgets(buf, bufsize, in);
nread = strlen(buf);
if (buf[nread - 1] == '\n')
buf[nread - 1] = '\0';
/* Restore echoing. */
if (echo_off)
(void) tcsetattr (fileno (in), TCSANOW, &t);
if (in != stdin)
/* We opened the terminal; now close it. */
fclose (in);
/* Catch problematic signals */
signal(SIGINT, SIGNAL_CAST SIG_DFL);
printf("\n");
return buf;
}
#else
void getsmbpasswd_dummy() {;}
#endif
|
