# 2.11BSD#431 - /usr/src/libexec/rlogind/rlogind.c

##### Functions

    cleanup           X
    control           X
    do_rlogin         X
    doit              X
    fatal             X
    fatalperror       X
    getstr            X
    local_domain      X
    main              X
    protocol          X
    setup_term        X
    topdomain         X

##### Variables

    check_all         X
    child             X
    copyright         X
    env               X
    keepalive         X
    line              X
    lusername         X
    magic             X
    netf              X
    oobdata           X
    pwd               X
    rusername         X
    speeds            X
    win               X

##### Macros

    ENVSIZE           X
    NMAX              X
    NSPEEDS           X
    SUPERUSER         X
    TIOCPKT_WINDOW    X
    pkcontrol         X

       1: /*
       2:  * Copyright (c) 1983, 1988 The Regents of the University of California.
       3:  * All rights reserved.
       4:  *
       5:  * Redistribution and use in source and binary forms are permitted
       6:  * provided that the above copyright notice and this paragraph are
       7:  * duplicated in all such forms and that any documentation,
       8:  * advertising materials, and other materials related to such
       9:  * distribution and use acknowledge that the software was developed
      10:  * by the University of California, Berkeley.  The name of the
      11:  * University may not be used to endorse or promote products derived
      12:  * from this software without specific prior written permission.
      13:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
      14:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
      15:  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
      16:  */
      17:
      18: #if !defined(lint) && defined(DOSCCS)
      19: char copyright[] =
      20: "@(#) Copyright (c) 1983, 1988 The Regents of the University of California.\n\
      21:  All rights reserved.\n";
      22:
      23: static char sccsid[] = "@(#)rlogind.c	5.22.1.8 (2.11BSD) 1996/3/22";
      24: #endif
      25:
      26: /*
      27:  * remote login server:
      28:  *	\0
      29:  *	remuser\0
      30:  *	locuser\0
      31:  *	terminal_type/speed\0
      32:  *	data
      33:  *
      34:  * Automatic login protocol is done here, using login -f upon success,
      35:  * unless OLD_LOGIN is defined (then done in login, ala 4.2/4.3BSD).
      36:  */
      37:
      38: #include <stdio.h>
      39: #include <sys/param.h>
      40: #include <sys/stat.h>
      41: #include <sys/socket.h>
      42: #include <sys/wait.h>
      43: #include <sys/file.h>
      44: #include <sys/ioctl.h>
      45: #ifdef  FOURdotFOUR
      46: #include <sys/termios.h>
      47: #endif
      48:
      49: #include <netinet/in.h>
      50:
      51: #include <errno.h>
      52: #include <pwd.h>
      53: #include <signal.h>
      54: #include <stdio.h>
      55: #include <netdb.h>
      56: #include <syslog.h>
      57: #include <strings.h>
      58: #include <arpa/nameser.h>
      59: #include <resolv.h>
      60:
      61: #ifndef TIOCPKT_WINDOW
      62: #define TIOCPKT_WINDOW 0x80
      63: #endif
      64:
      65: char    *env[2];
      66: #define NMAX 30
      67: char    lusername[NMAX+1], rusername[NMAX+1];
      68: static  char term[64] = "TERM=";
      69: #define ENVSIZE (sizeof("TERM=")-1) /* skip null for concatenation */
      70: int keepalive = 1;
      71: int check_all = 0;
      72:
      73: #define SUPERUSER(pwd)  ((pwd)->pw_uid == 0)
      74:
      75: int reapchild();
      76: struct  passwd *getpwnam(), *pwd;
      77:
      78: main(argc, argv)
      79:     int argc;
      80:     char **argv;
      81: {
      82:     extern int opterr, optind, _check_rhosts_file;
      83:     int ch;
      84:     int on = 1, fromlen;
      85:     struct sockaddr_in from;
      86:
      87:     openlog("rlogind", LOG_PID | LOG_CONS, LOG_AUTH);
      88:
      89:     opterr = 0;
      90:     while ((ch = getopt(argc, argv, "aln")) != EOF)
      91:         switch (ch) {
      92:         case 'a':
      93:             check_all = 1;
      94:             break;
      95:         case 'l':
      96:             _check_rhosts_file = 0;
      97:             break;
      98:         case 'n':
      99:             keepalive = 0;
     100:             break;
     101:         case '?':
     102:         default:
     103:             syslog(LOG_ERR, "usage: rlogind [-a] [-l] [-n]");
     104:             break;
     105:         }
     106:     argc -= optind;
     107:     argv += optind;
     108:
     109:     fromlen = sizeof (from);
     110:     if (getpeername(0, &from, &fromlen) < 0) {
     111:         syslog(LOG_ERR, "Couldn't get peer name of remote host: %m");
     112:         fatalperror("Can't get peer name of remote host");
     113:     }
     114:     if (keepalive &&
     115:         setsockopt(0, SOL_SOCKET, SO_KEEPALIVE, &on, sizeof (on)) < 0)
     116:         syslog(LOG_WARNING, "setsockopt (SO_KEEPALIVE): %m");
     117:     doit(0, &from);
     118: }
     119:
     120: int child;
     121: int cleanup();
     122: int netf;
     123: char    *line;
     124: extern  char    *inet_ntoa();
     125:
     126: struct winsize win = { 0, 0, 0, 0 };
     127:
     128:
     129: doit(f, fromp)
     130:     int f;
     131:     struct sockaddr_in *fromp;
     132: {
     133:     int i, p, t, pid, on = 1;
     134: #ifndef OLD_LOGIN
     135:     int authenticated = 0, hostok = 0;
     136:     char remotehost[2 * MAXHOSTNAMELEN + 1];
     137: #endif
     138:     register struct hostent *hp;
     139:     struct hostent hostent;
     140:     char c;
     141:
     142:     alarm(60);
     143:     read(f, &c, 1);
     144:     if (c != 0)
     145:         exit(1);
     146:
     147:     alarm(0);
     148:     fromp->sin_port = ntohs((u_short)fromp->sin_port);
     149:     hp = gethostbyaddr(&fromp->sin_addr, sizeof (struct in_addr),
     150:         fromp->sin_family);
     151:     if (hp == 0) {
     152:         /*
     153: 		 * Only the name is used below.
     154: 		 */
     155:         hp = &hostent;
     156:         hp->h_name = inet_ntoa(fromp->sin_addr);
     157: #ifndef OLD_LOGIN
     158:         hostok++;
     159: #endif
     160:     }
     161: #ifndef OLD_LOGIN
     162:     else if (check_all || local_domain(hp->h_name)) {
     163:         /*
     164: 		 * If name returned by gethostbyaddr is in our domain,
     165: 		 * attempt to verify that we haven't been fooled by someone
     166: 		 * in a remote net; look up the name and check that this
     167: 		 * address corresponds to the name.
     168: 		 */
     169:         strncpy(remotehost, hp->h_name, sizeof(remotehost) - 1);
     170:         remotehost[sizeof(remotehost) - 1] = 0;
     171: #ifdef  RES_DNSRCH
     172:         /*
     173: 		 * gethostbyaddr returns a FQDN, so now the domain search
     174: 		 * action must be turned off to avoid unwanted queries to
     175: 		 * the nameservor.
     176: 		*/
     177:         _res.options &= ~RES_DNSRCH;
     178: #endif	RES_DNSRCH
     179:         hp = gethostbyname(remotehost);
     180:         if (hp)
     181: #ifdef h_addr   /* 4.2 hack */
     182:             for (; hp->h_addr_list[0]; hp->h_addr_list++)
     183:             if (!bcmp(hp->h_addr_list[0], (caddr_t)&fromp->sin_addr,
     184:                 sizeof(fromp->sin_addr))) {
     185:                 hostok++;
     186:                 break;
     187:             }
     188: #else
     189:             if (!bcmp(hp->h_addr, (caddr_t)&fromp->sin_addr,
     190:                 sizeof(fromp->sin_addr)))
     191:                 hostok++;
     192: #endif
     193:     } else
     194:         hostok++;
     195: #endif /* OLD_LOGIN */
     196:
     197:     if (fromp->sin_family != AF_INET ||
     198:         fromp->sin_port >= IPPORT_RESERVED ||
     199:         fromp->sin_port < IPPORT_RESERVED/2) {
     200:         syslog(LOG_NOTICE, "Connection from %s on illegal port",
     201:             inet_ntoa(fromp->sin_addr));
     202:         fatal(f, "Permission denied");
     203:     }
     204: #ifdef IP_OPTIONS
     205:       {
     206:     u_char optbuf[BUFSIZ/3], *cp;
     207:     char lbuf[BUFSIZ], *lp;
     208:     int optsize = sizeof(optbuf), ipproto;
     209:     struct protoent *ip;
     210:
     211:     if ((ip = getprotobyname("ip")) != NULL)
     212:         ipproto = ip->p_proto;
     213:     else
     214:         ipproto = IPPROTO_IP;
     215:     if (getsockopt(0, ipproto, IP_OPTIONS, (char *)optbuf, &optsize) == 0 &&
     216:         optsize != 0) {
     217:         lp = lbuf;
     218:         for (cp = optbuf; optsize > 0; cp++, optsize--, lp += 3)
     219:             sprintf(lp, " %2.2x", *cp);
     220:         syslog(LOG_NOTICE,
     221:             "Connection received using IP options (ignored):%s", lbuf);
     222:         if (setsockopt(0, ipproto, IP_OPTIONS,
     223:             (char *)NULL, &optsize) != 0) {
     224:             syslog(LOG_ERR, "setsockopt IP_OPTIONS NULL: %m");
     225:             exit(1);
     226:         }
     227:     }
     228:       }
     229: #endif
     230:     write(f, "", 1);
     231: #ifndef OLD_LOGIN
     232:     if (do_rlogin(hp->h_name) == 0) {
     233:         if (hostok)
     234:             authenticated++;
     235:         else
     236:             write(f, "rlogind: Host address mismatch.\r\n",
     237:              sizeof("rlogind: Host address mismatch.\r\n") - 1);
     238:     }
     239: #endif
     240:
     241:     for (c = 'p'; c <= 's'; c++) {
     242:         struct stat stb;
     243:         line = "/dev/ptyXX";
     244:         line[strlen("/dev/pty")] = c;
     245:         line[strlen("/dev/ptyp")] = '0';
     246:         if (stat(line, &stb) < 0)
     247:             break;
     248:         for (i = 0; i < 16; i++) {
     249:             line[sizeof("/dev/ptyp") - 1] = "0123456789abcdef"[i];
     250:             p = open(line, O_RDWR);
     251:             if (p > 0)
     252:                 goto gotpty;
     253:         }
     254:     }
     255:     fatal(f, "Out of ptys");
     256:     /*NOTREACHED*/
     257: gotpty:
     258:     (void) ioctl(p, TIOCSWINSZ, &win);
     259:     netf = f;
     260:     line[strlen("/dev/")] = 't';
     261:     t = open(line, O_RDWR);
     262:     if (t < 0)
     263:         fatalperror(f, line);
     264:     if (fchmod(t, 0))
     265:         fatalperror(f, line);
     266:     (void)signal(SIGHUP, SIG_IGN);
     267:     vhangup();
     268:     (void)signal(SIGHUP, SIG_DFL);
     269:     t = open(line, O_RDWR);
     270:     if (t < 0)
     271:         fatalperror(f, line);
     272:     setup_term(t);
     273:     pid = fork();
     274:     if (pid < 0)
     275:         fatalperror(f, "");
     276:     if (pid == 0) {
     277: #ifdef  FOURdotFOUR
     278:         if (setsid() < 0)
     279:             fatalperror(f, "setsid");
     280:         if (ioctl(t, TIOCSCTTY, 0) < 0)
     281:             fatalperror(f, "ioctl(sctty)");
     282: #endif
     283:         close(f), close(p);
     284:         dup2(t, 0), dup2(t, 1), dup2(t, 2);
     285:         close(t);
     286: #ifdef OLD_LOGIN
     287:         execl("/bin/login", "login", "-r", hp->h_name, 0);
     288: #else /* OLD_LOGIN */
     289:         if (authenticated)
     290:             execl("/bin/login", "login", "-p", "-h", hp->h_name,
     291:                 "-f", lusername, 0);
     292:         else
     293:             execl("/bin/login", "login", "-p", "-h", hp->h_name,
     294:                 lusername, 0);
     295: #endif /* OLD_LOGIN */
     296:         fatalperror(2, "/bin/login");
     297:         /*NOTREACHED*/
     298:     }
     299: #ifndef DEBUG
     300:     {
     301:         int tt = open("/dev/tty", O_RDWR);
     302:         if (tt > 0) {
     303:             (void)ioctl(tt, TIOCNOTTY, 0);
     304:             (void)close(tt);
     305:         }
     306:     }
     307: #endif
     308:     close(t);
     309:
     310:     ioctl(f, FIONBIO, &on);
     311:     ioctl(p, FIONBIO, &on);
     312:     ioctl(p, TIOCPKT, &on);
     313:     signal(SIGTSTP, SIG_IGN);
     314:     signal(SIGCHLD, cleanup);
     315:     setpgrp(0, 0);
     316:     protocol(f, p);
     317:     signal(SIGCHLD, SIG_IGN);
     318:     cleanup();
     319: }
     320:
     321: char    magic[2] = { 0377, 0377 };
     322: char    oobdata[] = {TIOCPKT_WINDOW};
     323:
     324: /*
     325:  * Handle a "control" request (signaled by magic being present)
     326:  * in the data stream.  For now, we are only willing to handle
     327:  * window size changes.
     328:  */
     329: control(pty, cp, n)
     330:     int pty;
     331:     char *cp;
     332:     int n;
     333: {
     334:     struct winsize w;
     335:
     336:     if (n < 4+sizeof (w) || cp[2] != 's' || cp[3] != 's')
     337:         return (0);
     338:     oobdata[0] &= ~TIOCPKT_WINDOW;  /* we know he heard */
     339:     bcopy(cp+4, (char *)&w, sizeof(w));
     340:     w.ws_row = ntohs(w.ws_row);
     341:     w.ws_col = ntohs(w.ws_col);
     342:     w.ws_xpixel = ntohs(w.ws_xpixel);
     343:     w.ws_ypixel = ntohs(w.ws_ypixel);
     344:     (void)ioctl(pty, TIOCSWINSZ, &w);
     345:     return (4+sizeof (w));
     346: }
     347:
     348: /*
     349:  * rlogin "protocol" machine.
     350:  */
     351: protocol(f, p)
     352:     register int f, p;
     353: {
     354:     char pibuf[1024], fibuf[1024], *pbp, *fbp;
     355:     register pcc = 0, fcc = 0;
     356:     int cc, nfd, n;
     357:     char cntl;
     358:
     359:     /*
     360: 	 * Must ignore SIGTTOU, otherwise we'll stop
     361: 	 * when we try and set slave pty's window shape
     362: 	 * (our controlling tty is the master pty).
     363: 	 */
     364:     (void) signal(SIGTTOU, SIG_IGN);
     365:     send(f, oobdata, 1, MSG_OOB);   /* indicate new rlogin */
     366:     if (f > p)
     367:         nfd = f + 1;
     368:     else
     369:         nfd = p + 1;
     370:     for (;;) {
     371:         fd_set ibits, obits, ebits;
     372:
     373:         FD_ZERO(&ibits);
     374:         FD_ZERO(&obits);
     375:         if (fcc)
     376:             FD_SET(p, &obits);
     377:         else
     378:             FD_SET(f, &ibits);
     379:         if (pcc >= 0)
     380:             if (pcc)
     381:                 FD_SET(f, &obits);
     382:             else
     383:                 FD_SET(p, &ibits);
     384:         FD_SET(p, &ebits);
     385:         if ((n = select(nfd, &ibits, &obits, &ebits, 0)) < 0) {
     386:             if (errno == EINTR)
     387:                 continue;
     388:             fatalperror(f, "select");
     389:         }
     390:         if (n == 0) {
     391:             /* shouldn't happen... */
     392:             sleep(5);
     393:             continue;
     394:         }
     395: #define pkcontrol(c)    ((c)&(TIOCPKT_FLUSHWRITE|TIOCPKT_NOSTOP|TIOCPKT_DOSTOP))
     396:         if (FD_ISSET(p, &ebits)) {
     397:             cc = read(p, &cntl, 1);
     398:             if (cc == 1 && pkcontrol(cntl)) {
     399:                 cntl |= oobdata[0];
     400:                 send(f, &cntl, 1, MSG_OOB);
     401:                 if (cntl & TIOCPKT_FLUSHWRITE) {
     402:                     pcc = 0;
     403:                     FD_CLR(p, &ibits);
     404:                 }
     405:             }
     406:         }
     407:         if (FD_ISSET(f, &ibits)) {
     408:             fcc = read(f, fibuf, sizeof(fibuf));
     409:             if (fcc < 0 && errno == EWOULDBLOCK)
     410:                 fcc = 0;
     411:             else {
     412:                 register char *cp;
     413:                 int left, n;
     414:
     415:                 if (fcc <= 0)
     416:                     break;
     417:                 fbp = fibuf;
     418:
     419:             top:
     420:                 for (cp = fibuf; cp < fibuf+fcc-1; cp++)
     421:                     if (cp[0] == magic[0] &&
     422:                         cp[1] == magic[1]) {
     423:                         left = fcc - (cp-fibuf);
     424:                         n = control(p, cp, left);
     425:                         if (n) {
     426:                             left -= n;
     427:                             if (left > 0)
     428:                                 bcopy(cp+n, cp, left);
     429:                             fcc -= n;
     430:                             goto top; /* n^2 */
     431:                         }
     432:                     }
     433:                 FD_SET(p, &obits);      /* try write */
     434:             }
     435:         }
     436:
     437:         if (FD_ISSET(p, &obits) && fcc > 0) {
     438:             cc = write(p, fbp, fcc);
     439:             if (cc > 0) {
     440:                 fcc -= cc;
     441:                 fbp += cc;
     442:             }
     443:         }
     444:
     445:         if (FD_ISSET(p, &ibits)) {
     446:             pcc = read(p, pibuf, sizeof (pibuf));
     447:             pbp = pibuf;
     448:             if (pcc < 0 && errno == EWOULDBLOCK)
     449:                 pcc = 0;
     450:             else if (pcc <= 0)
     451:                 break;
     452:             else if (pibuf[0] == 0) {
     453:                 pbp++, pcc--;
     454:                 FD_SET(f, &obits);  /* try a write */
     455:             } else {
     456:                 if (pkcontrol(pibuf[0])) {
     457:                     pibuf[0] |= oobdata[0];
     458:                     send(f, &pibuf[0], 1, MSG_OOB);
     459:                 }
     460:                 pcc = 0;
     461:             }
     462:         }
     463:         if ((FD_ISSET(f, &obits)) && pcc > 0) {
     464:             cc = write(f, pbp, pcc);
     465:             if (cc < 0 && errno == EWOULDBLOCK) {
     466:                 /* also shouldn't happen */
     467:                 sleep(5);
     468:                 continue;
     469:             }
     470:             if (cc > 0) {
     471:                 pcc -= cc;
     472:                 pbp += cc;
     473:             }
     474:         }
     475:     }
     476: }
     477:
     478: cleanup()
     479: {
     480:     char *p;
     481:
     482:     p = line + sizeof("/dev/") - 1;
     483:     if (logout(p))
     484:         logwtmp(p, "", "");
     485:     (void)chmod(line, 0666);
     486:     (void)chown(line, 0, 0);
     487:     *p = 'p';
     488:     (void)chmod(line, 0666);
     489:     (void)chown(line, 0, 0);
     490:     shutdown(netf, 2);
     491:     exit(1);
     492: }
     493:
     494: fatal(f, msg)
     495:     int f;
     496:     char *msg;
     497: {
     498:     char buf[BUFSIZ];
     499:
     500:     buf[0] = '\01';     /* error indicator */
     501:     (void) sprintf(buf + 1, "rlogind: %s.\r\n", msg);
     502:     (void) write(f, buf, strlen(buf));
     503:     exit(1);
     504: }
     505:
     506: fatalperror(f, msg)
     507:     int f;
     508:     char *msg;
     509: {
     510:     char buf[BUFSIZ];
     511:
     512:     (void) sprintf(buf, "%s: %s", msg, strerror(errno));
     513:     fatal(f, buf);
     514: }
     515:
     516: #ifndef OLD_LOGIN
     517: do_rlogin(host)
     518:     char *host;
     519: {
     520:
     521:     getstr(rusername, sizeof(rusername), "remuser too long");
     522:     getstr(lusername, sizeof(lusername), "locuser too long");
     523:     getstr(term+ENVSIZE, sizeof(term)-ENVSIZE, "Terminal type too long");
     524:
     525:     if (getuid())
     526:         return(-1);
     527:     pwd = getpwnam(lusername);
     528:     if (pwd == NULL)
     529:         return(-1);
     530:     return(ruserok(host, SUPERUSER(pwd), rusername, lusername));
     531: }
     532:
     533:
     534: getstr(buf, cnt, errmsg)
     535:     char *buf;
     536:     int cnt;
     537:     char *errmsg;
     538: {
     539:     char c;
     540:
     541:     do {
     542:         if (read(0, &c, 1) != 1)
     543:             exit(1);
     544:         if (--cnt < 0)
     545:             fatal(1, errmsg);
     546:         *buf++ = c;
     547:     } while (c != 0);
     548: }
     549:
     550: extern  char **environ;
     551:
     552: char *speeds[] = {
     553:     "0", "50", "75", "110", "134", "150", "200", "300", "600",
     554:     "1200", "1800", "2400", "4800", "9600", "19200", "38400",
     555: };
     556: #define NSPEEDS (sizeof(speeds) / sizeof(speeds[0]))
     557:
     558: setup_term(fd)
     559:     int fd;
     560: {
     561:     register char *cp = index(term, '/'), **cpp;
     562:     char *speed;
     563: #ifdef  FOURdotFOUR
     564:     struct termios tt;
     565:
     566:     tcgetattr(fd, &tt);
     567:     if (cp) {
     568:         *cp++ = '\0';
     569:         speed = cp;
     570:         cp = index(speed, '/');
     571:         if (cp)
     572:             *cp++ = '\0';
     573:         cfsetspeed(&tt, atoi(speed));
     574:     }
     575:
     576:     tt.c_iflag = TTYDEF_IFLAG;
     577:     tt.c_oflag = TTYDEF_OFLAG;
     578:     tt.c_lflag = TTYDEF_LFLAG;
     579:     tcsetattr(fd, TCSADFLUSH, &tt);
     580: #else
     581:     struct sgttyb sgttyb;
     582:
     583:     (void)ioctl(fd, TIOCGETP, &sgttyb);
     584:     if (cp) {
     585:         *cp++ = '\0';
     586:         speed = cp;
     587:         cp = index(speed, '/');
     588:         if (cp)
     589:             *cp++ = '\0';
     590:         for (cpp = speeds; cpp < &speeds[NSPEEDS]; cpp++)
     591:             if (strcmp(*cpp, speed) == 0) {
     592:             sgttyb.sg_ispeed = sgttyb.sg_ospeed = cpp - speeds;
     593:             break;
     594:             }
     595:     }
     596:     sgttyb.sg_flags = ECHO|CRMOD|ANYP|XTABS;
     597:     (void)ioctl(fd, TIOCSETP, &sgttyb);
     598: #endif
     599:
     600:     env[0] = term;
     601:     env[1] = 0;
     602:     environ = env;
     603: }
     604:
     605: /*
     606:  * Check whether host h is in our local domain,
     607:  * defined as sharing the last two components of the domain part,
     608:  * or the entire domain part if the local domain has only one component.
     609:  * If either name is unqualified (contains no '.'),
     610:  * assume that the host is local, as it will be
     611:  * interpreted as such.
     612:  */
     613: local_domain(h)
     614:     char *h;
     615: {
     616:     char localhost[MAXHOSTNAMELEN];
     617:     char *p1, *p2, *topdomain();
     618:
     619:     localhost[0] = 0;
     620:     (void) gethostname(localhost, sizeof(localhost));
     621:     p1 = topdomain(localhost);
     622:     p2 = topdomain(h);
     623:     if (p1 == NULL || p2 == NULL || !strcasecmp(p1, p2))
     624:         return(1);
     625:     return(0);
     626: }
     627:
     628: char *
     629: topdomain(h)
     630:     char *h;
     631: {
     632:     register char *p;
     633:     char *maybe = NULL;
     634:     int dots = 0;
     635:
     636:     for (p = h + strlen(h); p >= h; p--) {
     637:         if (*p == '.') {
     638:             if (++dots == 2)
     639:                 return (p);
     640:             maybe = p;
     641:         }
     642:     }
     643:     return (maybe);
     644: }
     645: #endif /* OLD_LOGIN */

#### Defined functions

cleanup defined in line 478; used 3 times

- in line 121, 314-318(2)

control defined in line 329; used 1 times

- in line 424

do_rlogin defined in line 517; used 1 times

- in line 232

doit defined in line 129; used 1 times

- in line 117

fatal defined in line 494; used 4 times

- in line 202, 255, 513, 545

fatalperror defined in line 506; used 9 times

- in line 112, 263-265(2), 271-281(4), 296, 388

getstr defined in line 534; used 3 times

- in line 521-523(3)

local_domain defined in line 613; used 1 times

- in line 162

main defined in line 78; never used
protocol defined in line 351; used 1 times

- in line 316

setup_term defined in line 558; used 1 times

- in line 272

topdomain defined in line 628; used 3 times

- in line 617-622(3)

#### Defined variables

check_all defined in line 71; used 2 times

- in line 93, 162

child defined in line 120; never used
copyright defined in line 19; never used
env defined in line 65; used 3 times

- in line 600-602(3)

keepalive defined in line 70; used 2 times

- in line 99, 114

line defined in line 123; used 17 times

- in line 243-250(6), 260-271(6), 482-489(5)

lusername defined in line 67; used 6 times

- in line 291-294(2), 522-530(4)

magic defined in line 321; used 2 times

- in line 421-422(2)

netf defined in line 122; used 2 times

- in line 259, 490

oobdata defined in line 322; used 4 times

- in line 338, 365, 399, 457

pwd defined in line 76; used 5 times

- in line 73(2), 527-530(3)

rusername defined in line 67; used 3 times

- in line 521(2), 530

sccsid defined in line 23; never used
speeds defined in line 552; used 5 times

- in line 556(2), 590-592(3)

term defined in line 68; used 4 times

- in line 523(2), 561, 600

win defined in line 126; used 1 times

- in line 258

#### Defined macros

ENVSIZE defined in line 69; used 2 times

- in line 523(2)

NMAX defined in line 66; used 2 times

- in line 67(2)

NSPEEDS defined in line 556; used 1 times

- in line 590

SUPERUSER defined in line 73; used 1 times

- in line 530

TIOCPKT_WINDOW defined in line 62; used 3 times

- in line 61, 322, 338

pkcontrol defined in line 395; used 2 times

- in line 398, 456

Last modified: 1996-03-23 Generated: 2016-12-26 | Generated by src2html V0.67 page hit count: 3179 |