port numbers now byte swapped; eliminate constant

SCCS-vsn: usr.bin/rsh/rsh.c 4.3

diff --git a/usr/src/usr.bin/rsh/rsh.c b/usr/src/usr.bin/rsh/rsh.c
index eb96ead..04aaee1 100644 (file)
--- a/usr/src/usr.bin/rsh/rsh.c
+++ b/usr/src/usr.bin/rsh/rsh.c
@@ -1,5 +1,5 @@
 #ifndef lint
-static char sccsid[] = "@(#)rsh.c      4.2 82/11/14";
+static char sccsid[] = "@(#)rsh.c      4.3 82/12/25";
 #endif
 
 #include <sys/types.h>
@@ -13,6 +13,7 @@ static char sccsid[] = "@(#)rsh.c     4.2 82/11/14";
 #include <errno.h>
 #include <signal.h>
 #include <pwd.h>
+#include <netdb.h>
 
 /*
  * rsh - remote shell
@@ -39,6 +40,7 @@ main(argc, argv0)
        struct passwd *pwd;
        int readfrom, ready;
        int one = 1;
+       struct servent *sp;
 
        host = rindex(argv[0], '/');
        if (host)
@@ -93,7 +95,12 @@ another:
                if (ap[1])
                        *cp++ = ' ';
        }
-        rem = rcmd(&host, IPPORT_CMDSERVER, pwd->pw_name,
+       sp = getservbyname("shell", "tcp");
+       if (sp == 0) {
+               fprintf(stderr, "rsh: shell/tcp: unknown service\n");
+               exit(1);
+       }
+        rem = rcmd(&host, sp->s_port, pwd->pw_name,
            user ? user : pwd->pw_name, args, &rfd2);
         if (rem < 0)
                 exit(1);