* <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);
}
+