Allow the user to specify the service instance using the -s option.

Use SO_REUSEEADDR so that the port can be immediately reused.  Free
the context and auth_context before exiting.

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@6800 dc483132-0cff-0310-8789-dd5450dbe970

diff --git a/src/appl/sample/sserver/ChangeLog b/src/appl/sample/sserver/ChangeLog
index 7a9b8199bacb61f1878a8323f62dc9b918b95262..8d311f66eecd9834d10f021ed2cafe2040be85e0 100644 (file)
--- a/src/appl/sample/sserver/ChangeLog
+++ b/src/appl/sample/sserver/ChangeLog
@@ -1,3 +1,10 @@
+Sat Sep 16 00:21:01 1995  Theodore Y. Ts'o  <tytso@dcl>
+
+       * sserver.c (main): Allow the user to specify the service instance
+               using the -s option.  Use SO_REUSEEADDR so that the port
+               can be immediately reused.  Free the context and
+               auth_context before exiting.
+
 Sat Jul 29 04:39:02 1995  Tom Yu  <tlyu@dragons-lair.MIT.EDU>
 
        * configure.in: Don't link with -lkadm.

diff --git a/src/appl/sample/sserver/sserver.c b/src/appl/sample/sserver/sserver.c
index c7826760a9a5f0c7283debf6cea7f3c5d884d207..474a31ba983c812c8c1a442b79ee6271cff886f1 100644 (file)
--- a/src/appl/sample/sserver/sserver.c
+++ b/src/appl/sample/sserver/sserver.c
@@ -56,7 +56,8 @@ void
 usage(name)
     char *name;
 {
-       fprintf(stderr, "usage: %s [-p port] [-S keytab]\n");
+       fprintf(stderr, "usage: %s [-p port] [-s service] [-S keytab]\n",
+               name);
 }      
 
 void
@@ -77,12 +78,14 @@ main(argc, argv)
     krb5_principal server, client;
     char repbuf[BUFSIZ];
     char *cname;
+    char *service = SAMPLE_SERVICE;
     short port = 0;            /* If user specifies port */
     extern int opterr, optind;
     extern char * optarg;
     int ch;
     krb5_keytab keytab = NULL; /* Allow specification on command line */
     char *progname;
+    int on = 1;
 
     progname = *argv;
 
@@ -92,37 +95,33 @@ main(argc, argv)
     /* open a log connection */
     openlog("sserver", 0, LOG_DAEMON);
 
-    if (retval = krb5_sname_to_principal(context, NULL, SAMPLE_SERVICE, 
-                                        KRB5_NT_SRV_HST, &server)) {
-       syslog(LOG_ERR, "while generating service name (%s): %s",
-              SAMPLE_SERVICE, error_message(retval));
-       exit(1);
-    }
-    
     /*
      * Parse command line arguments
      *  
      */
     opterr = 0;
-    while ((ch = getopt(argc, argv, "p:S:")) != EOF)
-      switch (ch) {
-      case 'p':
-             port = atoi(optarg);
-             break;
-       case 'S':
-             if (retval = krb5_kt_resolve(context, optarg, &keytab)) {
-                     com_err(progname, retval,
-                             "while resolving keytab file %s", optarg);
-                     exit(2);
-             }
-         break;
+    while ((ch = getopt(argc, argv, "p:S:s:")) != EOF)
+    switch (ch) {
+    case 'p':
+       port = atoi(optarg);
+       break;
+    case 's':
+       service = optarg;
+       break;
+    case 'S':
+       if (retval = krb5_kt_resolve(context, optarg, &keytab)) {
+           com_err(progname, retval,
+                   "while resolving keytab file %s", optarg);
+           exit(2);
+       }
+       break;
 
       case '?':
-      default:
-             usage(progname);
-             exit(1);
-             break;
-      }
+    default:
+       usage(progname);
+       exit(1);
+       break;
+    }
 
     argc -= optind;
     argv += optind;
@@ -132,6 +131,13 @@ main(argc, argv)
            port = atoi(argv[1]);
     }
 
+    if (retval = krb5_sname_to_principal(context, NULL, service, 
+                                        KRB5_NT_SRV_HST, &server)) {
+       syslog(LOG_ERR, "while generating service name (%s): %s",
+              service, error_message(retval));
+       exit(1);
+    }
+    
     /*
      * If user specified a port, then listen on that port; otherwise,
      * assume we've been started out of inetd. 
@@ -145,6 +151,9 @@ main(argc, argv)
            syslog(LOG_ERR, "socket: %m");
            exit(3);
        }
+       /* Let the socket be reused right away */
+       (void) setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (char *)&on,
+                         sizeof(on));
 
        sin.sin_family = AF_INET;
        sin.sin_addr.s_addr = 0;
@@ -192,7 +201,7 @@ main(argc, argv)
     /* Get client name */
     if (retval = krb5_unparse_name(context, ticket->enc_part2->client, &cname)){
        syslog(LOG_ERR, "unparse failed: %s", error_message(retval));
-        sprintf(repbuf, "You are <unparse error>\n", cname);
+        sprintf(repbuf, "You are <unparse error>\n");
     } else {
         sprintf(repbuf, "You are %s\n", cname);
        free(cname);
@@ -210,5 +219,7 @@ main(argc, argv)
        syslog(LOG_ERR, "%m: while writing data to client");
        exit(1);
     }
+    krb5_auth_con_free(context, auth_context);
+    krb5_free_context(context);
     exit(0);
 }