Return to getXNSpass.c CVS log

Up to [CSRG BSD Unix] / 43BSD / contrib / xns / examples / auth

Annotation of 43BSD/contrib/xns/examples/auth/getXNSpass.c, revision 1.1.1.1

1.1       root        1: /* $Header$ */
                      2: /* modified for XNS passwords, which may be of almost arbitrary length */
                      3: 
                      4: /* @(#)getpass.c       4.3 (Berkeley) 5/16/84 */
                      5: #include <stdio.h>
                      6: #include <signal.h>
                      7: #include <sgtty.h>
                      8: #define PASSLEN 80
                      9: 
                     10: char *
                     11: getpass(prompt)
                     12: char *prompt;
                     13: {
                     14:        struct sgttyb ttyb;
                     15:        int flags;
                     16:        register char *p;
                     17:        register c;
                     18:        FILE *fi;
                     19:        static char pbuf[PASSLEN+1];
                     20:        int (*signal())();
                     21:        int (*sig)();
                     22: 
                     23:        if ((fi = fdopen(open("/dev/tty", 2), "r")) == NULL)
                     24:                fi = stdin;
                     25:        else
                     26:                setbuf(fi, (char *)NULL);
                     27:        sig = signal(SIGINT, SIG_IGN);
                     28:        ioctl(fileno(fi), TIOCGETP, &ttyb);
                     29:        flags = ttyb.sg_flags;
                     30:        ttyb.sg_flags &= ~ECHO;
                     31:        ioctl(fileno(fi), TIOCSETP, &ttyb);
                     32:        fprintf(stderr, "%s", prompt); fflush(stderr);
                     33:        for (p=pbuf; (c = getc(fi))!='\n' && c!=EOF;) {
                     34:                if (p < &pbuf[PASSLEN])
                     35:                        *p++ = c;
                     36:        }
                     37:        *p = '\0';
                     38:        fprintf(stderr, "\n"); fflush(stderr);
                     39:        ttyb.sg_flags = flags;
                     40:        ioctl(fileno(fi), TIOCSETP, &ttyb);
                     41:        signal(SIGINT, sig);
                     42:        if (fi != stdin)
                     43:                fclose(fi);
                     44:        return(pbuf);
                     45: }

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.