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Annotation of 43BSD/contrib/xns/morexnslib/auth/getXNSpass.c, revision 1.1

1.1     ! root        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:  */
        !             7: 
        !             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 */
        !            21: #include <stdio.h>
        !            22: #include <signal.h>
        !            23: #include <sgtty.h>
        !            24: #define PASSLEN 80
        !            25: 
        !            26: char *
        !            27: getXNSpass(prompt)
        !            28: char *prompt;
        !            29: {
        !            30:        struct sgttyb ttyb;
        !            31:        int flags;
        !            32:        register char *p;
        !            33:        register c;
        !            34:        FILE *fi;
        !            35:        static char pbuf[PASSLEN+1];
        !            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);
        !            44:        ioctl(fileno(fi), TIOCGETP, &ttyb);
        !            45:        flags = ttyb.sg_flags;
        !            46:        ttyb.sg_flags &= ~ECHO;
        !            47:        ioctl(fileno(fi), TIOCSETP, &ttyb);
        !            48:        fprintf(stderr, "%s", prompt); fflush(stderr);
        !            49:        for (p=pbuf; (c = getc(fi))!='\n' && c!=EOF;) {
        !            50:                if (p < &pbuf[PASSLEN])
        !            51:                        *p++ = c;
        !            52:        }
        !            53:        *p = '\0';
        !            54:        fprintf(stderr, "\n"); fflush(stderr);
        !            55:        ttyb.sg_flags = flags;
        !            56:        ioctl(fileno(fi), TIOCSETP, &ttyb);
        !            57:        signal(SIGINT, sig);
        !            58:        if (fi != stdin)
        !            59:                fclose(fi);
        !            60:        return(pbuf);
        !            61: }

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