add Kerberos ifdef's

[unix-history] / usr / src / usr.bin / rlogin / rlogin.c

diff --git a/usr/src/usr.bin/rlogin/rlogin.c b/usr/src/usr.bin/rlogin/rlogin.c
index 68b2251..9891946 100644 (file)
--- a/usr/src/usr.bin/rlogin/rlogin.c
+++ b/usr/src/usr.bin/rlogin/rlogin.c
@@ -22,7 +22,7 @@ char copyright[] =
 #endif /* not lint */
 
 #ifndef lint
 #endif /* not lint */
 
 #ifndef lint

-static char sccsid[] = "@(#)rlogin.c   5.12 (Berkeley) %G%";
+static char sccsid[] = "@(#)rlogin.c   5.12 (Berkeley) 9/19/88";

 #endif /* not lint */
 
 /*
 #endif /* not lint */
 
 /*


@@ -46,6 +46,14 @@ static char sccsid[] = "@(#)rlogin.c 5.12 (Berkeley) %G%";
 #include <setjmp.h>
 #include <netdb.h>
 
 #include <setjmp.h>
 #include <netdb.h>
 

+#ifdef KERBEROS
+#include <kerberos/krb.h>
+int            encrypt = 0;
+char           krb_realm[REALM_SZ];
+CREDENTIALS    cred;
+Key_schedule   schedule;
+#endif /* KERBEROS */
+

 # ifndef TIOCPKT_WINDOW
 # define TIOCPKT_WINDOW 0x80
 # endif TIOCPKT_WINDOW
 # ifndef TIOCPKT_WINDOW
 # define TIOCPKT_WINDOW 0x80
 # endif TIOCPKT_WINDOW


@@ -154,6 +162,16 @@ another:
                argv++, argc--;
                goto another;
        }
                argv++, argc--;
                goto another;
        }

+
+#ifdef KERBEROS
+       if (argc > 0 && !strcmp(*argv, "-x")) {
+               encrypt = 1;
+               des_set_key(cred.session, schedule);
+               argv++, argc--;
+               goto another;
+       }
+#endif /* KERBEROS */
+

        if (host == 0)
                goto usage;
        if (argc > 0)
        if (host == 0)
                goto usage;
        if (argc > 0)


@@ -179,10 +197,46 @@ another:
        (void) signal(SIGPIPE, lostpeer);
        /* will use SIGUSR1 for window size hack, so hold it off */
        oldmask = sigblock(sigmask(SIGURG) | sigmask(SIGUSR1));
        (void) signal(SIGPIPE, lostpeer);
        /* will use SIGUSR1 for window size hack, so hold it off */
        oldmask = sigblock(sigmask(SIGURG) | sigmask(SIGUSR1));

+
+#ifdef KERBEROS
+       rem = KSUCCESS;
+       if(krb_realm[0] == '\0') {
+               rem = get_krbrlm(krb_realm, 1);
+       }
+       if(rem == KSUCCESS) {
+               if(encrypt) {
+                       rem = krcmd_mutual(
+                               &host, sp->s_port,
+                               name ? name : pwd->pw_name, term,
+                               0, krb_realm,
+                               &cred, schedule
+                       );
+               } else {
+                       rem = krcmd(
+                               &host, sp->s_port,
+                               name ? name : pwd->pw_name, term,
+                               0, krb_realm
+                       );
+               }
+       } else {
+               fprintf(
+                       stderr,
+                       "rlogin: Kerberos error getting local realm %s\n",
+                       krb_err_txt[rem]
+               );
+               exit(1);
+       }
+
+#else  /* !KERBEROS */
+

         rem = rcmd(&host, sp->s_port, pwd->pw_name,
            name ? name : pwd->pw_name, term, 0);
         rem = rcmd(&host, sp->s_port, pwd->pw_name,
            name ? name : pwd->pw_name, term, 0);

-        if (rem < 0)
-                exit(1);
+
+#endif /* KERBEROS */
+
+       if(rem < 0) 
+               exit(1);
+

        if (options & SO_DEBUG &&
            setsockopt(rem, SOL_SOCKET, SO_DEBUG, &on, sizeof (on)) < 0)
                perror("rlogin: setsockopt (SO_DEBUG)");
        if (options & SO_DEBUG &&
            setsockopt(rem, SOL_SOCKET, SO_DEBUG, &on, sizeof (on)) < 0)
                perror("rlogin: setsockopt (SO_DEBUG)");


@@ -195,7 +249,11 @@ another:
        /*NOTREACHED*/
 usage:
        fprintf(stderr,
        /*NOTREACHED*/
 usage:
        fprintf(stderr,

+#ifdef KERBEROS
+           "usage: rlogin host [ -ex ] [ -l username ] [ -8 ] [ -L ] [ -x ]\n");
+#else

            "usage: rlogin host [ -ex ] [ -l username ] [ -8 ] [ -L ]\n");
            "usage: rlogin host [ -ex ] [ -l username ] [ -8 ] [ -L ]\n");

+#endif

        exit(1);
 }
 
        exit(1);
 }
 


@@ -379,13 +437,36 @@ writer()
                                stop(c);
                                continue;
                        }
                                stop(c);
                                continue;
                        }

-                       if (c != cmdchar)
-                               (void) write(rem, &cmdchar, 1);
-               }
-               if (write(rem, &c, 1) == 0) {
-                       prf("line gone");
-                       break;
+                       if (c != cmdchar) {
+#ifdef KERBEROS
+                               if(encrypt) {
+                                       (void) des_write(
+                                               rem,
+                                               &cmdchar,
+                                               1
+                                       );
+                               } else
+#endif
+                                       (void) write(
+                                               rem,
+                                               &cmdchar,
+                                               1
+                                       );
+                       }

                }
                }

+
+#ifdef KERBEROS
+               if(encrypt) {
+                       if (des_write(rem, &c, 1) == 0) {
+                               prf("line gone");
+                               break;
+                       }
+               } else
+#endif
+                       if (write(rem, &c, 1) == 0) {
+                               prf("line gone");
+                               break;
+                       }

                bol = c == defkill || c == deftc.t_eofc ||
                    c == deftc.t_intrc || c == defltc.t_suspc ||
                    c == '\r' || c == '\n';
                bol = c == defkill || c == deftc.t_eofc ||
                    c == deftc.t_intrc || c == defltc.t_suspc ||
                    c == '\r' || c == '\n';


@@ -451,7 +532,13 @@ sendwindow()
        wp->ws_col = htons(winsize.ws_col);
        wp->ws_xpixel = htons(winsize.ws_xpixel);
        wp->ws_ypixel = htons(winsize.ws_ypixel);
        wp->ws_col = htons(winsize.ws_col);
        wp->ws_xpixel = htons(winsize.ws_xpixel);
        wp->ws_ypixel = htons(winsize.ws_ypixel);

-       (void) write(rem, obuf, sizeof(obuf));
+
+#ifdef KERBEROS
+       if(encrypt)
+               (void) des_write(rem, obuf, sizeof(obuf));
+       else
+#endif
+               (void) write(rem, obuf, sizeof(obuf));

 }
 
 /*
 }
 
 /*


@@ -594,7 +681,13 @@ reader(oldmask)
                bufp = rcvbuf;
                rcvcnt = 0;
                rcvstate = READING;
                bufp = rcvbuf;
                rcvcnt = 0;
                rcvstate = READING;

-               rcvcnt = read(rem, rcvbuf, sizeof (rcvbuf));
+
+#ifdef KERBEROS
+               if(encrypt)
+                       rcvcnt = des_read(rem, rcvbuf, sizeof(rcvbuf));
+               else
+#endif
+                       rcvcnt = read(rem, rcvbuf, sizeof (rcvbuf));

                if (rcvcnt == 0)
                        return (0);
                if (rcvcnt < 0) {
                if (rcvcnt == 0)
                        return (0);
                if (rcvcnt < 0) {