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95f51977 C |
1 | /* $Header: getXNSpass.c,v 2.0 85/11/21 07:22:25 jqj Exp $ */ |
2 | /* | |
3 | * contains: getXNSpass | |
4 | * based on the standard library routine getpass(), it is modified | |
5 | * for XNS passwords, which may be of almost arbitrary length | |
6 | */ | |
b8f253e8 | 7 | |
95f51977 C |
8 | /* $Log: getXNSpass.c,v $ |
9 | * Revision 2.0 85/11/21 07:22:25 jqj | |
10 | * 4.3BSD standard release | |
11 | * | |
12 | * Revision 1.1 85/03/26 06:29:09 jqj | |
13 | * Initial revision | |
14 | * | |
15 | * Revision 1.1 85/03/26 06:29:09 jqj | |
16 | * Initial revision | |
17 | * | |
18 | */ | |
19 | ||
20 | /* @(#)getpass.c 4.3 (Berkeley) 5/16/84 */ | |
6a4d2ab3 BJ |
21 | #include <stdio.h> |
22 | #include <signal.h> | |
23 | #include <sgtty.h> | |
95f51977 | 24 | #define PASSLEN 80 |
6a4d2ab3 BJ |
25 | |
26 | char * | |
95f51977 | 27 | getXNSpass(prompt) |
6a4d2ab3 BJ |
28 | char *prompt; |
29 | { | |
30 | struct sgttyb ttyb; | |
31 | int flags; | |
32 | register char *p; | |
33 | register c; | |
34 | FILE *fi; | |
95f51977 | 35 | static char pbuf[PASSLEN+1]; |
6a4d2ab3 BJ |
36 | int (*signal())(); |
37 | int (*sig)(); | |
38 | ||
39 | if ((fi = fdopen(open("/dev/tty", 2), "r")) == NULL) | |
40 | fi = stdin; | |
41 | else | |
42 | setbuf(fi, (char *)NULL); | |
43 | sig = signal(SIGINT, SIG_IGN); | |
dbb176a2 | 44 | ioctl(fileno(fi), TIOCGETP, &ttyb); |
6a4d2ab3 BJ |
45 | flags = ttyb.sg_flags; |
46 | ttyb.sg_flags &= ~ECHO; | |
dbb176a2 | 47 | ioctl(fileno(fi), TIOCSETP, &ttyb); |
790acfed | 48 | fprintf(stderr, "%s", prompt); fflush(stderr); |
6a4d2ab3 | 49 | for (p=pbuf; (c = getc(fi))!='\n' && c!=EOF;) { |
95f51977 | 50 | if (p < &pbuf[PASSLEN]) |
6a4d2ab3 BJ |
51 | *p++ = c; |
52 | } | |
53 | *p = '\0'; | |
790acfed | 54 | fprintf(stderr, "\n"); fflush(stderr); |
6a4d2ab3 | 55 | ttyb.sg_flags = flags; |
dbb176a2 | 56 | ioctl(fileno(fi), TIOCSETP, &ttyb); |
6a4d2ab3 BJ |
57 | signal(SIGINT, sig); |
58 | if (fi != stdin) | |
59 | fclose(fi); | |
60 | return(pbuf); | |
61 | } |