Don't bother with the higher level ReadEntry/WriteEntry routines

[moira.git] / incremental / ksrvtgt.c

diff --git a/incremental/ksrvtgt.c b/incremental/ksrvtgt.c
index c00ecf9cd137ecfe9706c309ae27c4cbe0c11abd..4c611a9f55a193501aa65bd143dc7a8547fda975 100644 (file)
--- a/incremental/ksrvtgt.c
+++ b/incremental/ksrvtgt.c
@@ -8,53 +8,86 @@
  * <mit-copyright.h>. 
  *
  * Get a ticket-granting-ticket given a service key file (srvtab)
- * The lifetime is the shortest allowed [1 five-minute interval]
+ * Modifed from the regular kerberos distribution in that it accepts
+ * the lifetime of the ticket as an command-line argument.
  *
  */
 
 #include <stdio.h>
 #include <sys/param.h>
 #include <krb.h>
-#include <conf.h>
+/*#include <conf.h>*/
 
-const char rcsid[] =
+char rcsid[] =
     "$Header$";
 
+
+void usage(argv)
+char **argv;
+{
+    fprintf(stderr,
+           "Usage: %s name instance [-r realm] [-s srvtab] [-l lifetime]\n",
+           argv[0]);
+    exit(1);
+}
+
+
 main(argc,argv)
     int argc;
     char **argv;
 {
     char realm[REALM_SZ + 1];
     register int code;
+    int i, lifetime = 1;
     char srvtab[MAXPATHLEN + 1];
 
     bzero(realm, sizeof(realm));
     bzero(srvtab, sizeof(srvtab));
 
-    if (argc < 3 || argc > 5) {
-       fprintf(stderr, "Usage: %s name instance [[realm] srvtab]\n",
-               argv[0]);
-       exit(1);
-    }
-    
-    if (argc == 4)
-       (void) strncpy(srvtab, argv[3], sizeof(srvtab) -1);
-    
-    if (argc == 5) {
-       (void) strncpy(realm, argv[3], sizeof(realm) - 1);
-       (void) strncpy(srvtab, argv[4], sizeof(srvtab) -1);
+    if (argc < 3)
+      usage(argv);
+
+    for (i = 3; i < argc; i++) {
+       if (argv[i][0] != '-')
+         usage(argv);
+       switch (argv[i][1]) {
+       case 'r':
+           if (i + 1 >= argc)
+             usage(argv);
+           strncpy(realm, argv[i++ + 1], sizeof(realm) - 1);
+           break;
+       case 's':
+           if (i + 1 >= argc)
+             usage(argv);
+           strncpy(srvtab, argv[i++ + 1], sizeof(srvtab) - 1);
+           break;
+       case 'l':
+           if (i + 1 >= argc)
+             usage(argv);
+           lifetime = atoi(argv[i++ + 1]);
+           if (lifetime < 5)
+             lifetime = 1;
+           else
+             lifetime /= 5;
+           if (lifetime > 255)
+             lifetime = 255;
+           break;
+       default:
+           usage();
+       }
     }
 
     if (srvtab[0] == 0)
        (void) strcpy(srvtab, KEYFILE);
 
     if (realm[0] == 0)
-       if (krb_get_lrealm(realm) != KSUCCESS)
+       if (krb_get_lrealm(realm, 1) != KSUCCESS)
            (void) strcpy(realm, KRB_REALM);
 
     code = krb_get_svc_in_tkt(argv[1], argv[2], realm,
-                             "krbtgt", realm, 1, srvtab);
+                             "krbtgt", realm, lifetime, srvtab);
     if (code)
        fprintf(stderr, "%s\n", krb_err_txt[code]);
     exit(code);
 }
+