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/*
* $Source$
* $Author$
*
* Copyright 1990 by the Massachusetts Institute of Technology.
* All Rights Reserved.
*
* For copying and distribution information, please see the file
* <krb5/copyright.h>.
*
* Initialize a credentials cache.
*/
#if !defined(lint) && !defined(SABER)
static char rcsid_kinit_c [] =
"$Id$";
#endif /* !lint & !SABER */
#include <stdio.h>
#include <krb5/krb5.h>
#include <krb5/kdb.h> /* for TGTNAME */
#include <krb5/ext-proto.h>
#include <krb5/los-proto.h>
#include <com_err.h>
#define KRB5_DEFAULT_OPTIONS 0
#define KRB5_DEFAULT_LIFE 60*60*8 /* 8 hours */
extern int optind;
extern char *optarg;
krb5_error_code
krb5_parse_lifetime (time, len)
char *time;
long *len;
{
*len = atoi (time) * 60 * 60; /* XXX stub version */
return 0;
}
krb5_data tgtname = {
sizeof(TGTNAME)-1,
TGTNAME
};
void
main(argc, argv)
int argc;
char **argv;
{
krb5_ccache ccache = NULL;
char *cache_name = NULL; /* -f option */
long lifetime = KRB5_DEFAULT_LIFE; /* -l option */
long rlife = 0;
int options = KRB5_DEFAULT_OPTIONS;
int option;
int errflg = 0;
krb5_address **my_addresses;
krb5_error_code code;
krb5_principal me;
krb5_data *server[4];
krb5_creds my_creds;
krb5_timestamp now;
krb5_init_ets();
if (strrchr(argv[0], '/'))
argv[0] = strrchr(argv[0], '/')+1;
while ((option = getopt(argc, argv, "r:fpl:c:")) != EOF) {
switch (option) {
case 'r':
options |= KDC_OPT_RENEWABLE;
code = krb5_parse_lifetime(optarg, &rlife);
if (code != 0 || rlife == 0) {
fprintf(stderr, "Bad lifetime value (%s hours?)\n", optarg);
errflg++;
}
break;
case 'p':
options |= KDC_OPT_PROXIABLE;
break;
case 'f':
options |= KDC_OPT_FORWARDABLE;
break;
case 'l':
code = krb5_parse_lifetime(optarg, &lifetime);
if (code != 0 || lifetime == 0) {
fprintf(stderr, "Bad lifetime value (%s hours?\n", optarg);
errflg++;
}
break;
case 'c':
if (ccache == NULL) {
cache_name = optarg;
code = krb5_cc_resolve (cache_name, &ccache);
if (code != 0) {
com_err (argv[0], code, "resolving %s", cache_name);
errflg++;
}
} else {
fprintf(stderr, "Only one -c option allowed\n");
errflg++;
}
break;
case '?':
default:
errflg++;
break;
}
}
if (optind != argc-1)
errflg++;
if (errflg) {
fprintf(stderr, "Usage: %s [ -r time ] [ -puf ] [ -l lifetime ] [ -c cachename ] principal\n", argv[0]);
exit(2);
}
if (ccache == NULL) {
if (code = krb5_cc_default(&ccache)) {
com_err(argv[0], code, "while getting default ccache");
exit(1);
}
}
if (code = krb5_parse_name (argv[optind], &me)) {
com_err (argv[0], code, "when parsing name %s",argv[optind]);
exit(1);
}
code = krb5_cc_initialize (ccache, me);
if (code != 0) {
com_err (argv[0], code, "when initializing cache %s",
cache_name?cache_name:"");
exit(1);
}
memset((char *)&my_creds, 0, sizeof(my_creds));
my_creds.client = me;
my_creds.server = server;
server[0] = me[0]; /* realm name */
server[1] = &tgtname;
server[2] = me[0];
server[3] = 0;
code = krb5_os_localaddr(&my_addresses);
if (code != 0) {
com_err (argv[0], code, "when getting my address");
exit(1);
}
if (code = krb5_timeofday(&now)) {
com_err(argv[0], code, "while getting time of day");
exit(1);
}
my_creds.times.starttime = 0; /* start timer when request
gets to KDC */
my_creds.times.endtime = now + lifetime;
if (options & KDC_OPT_RENEWABLE) {
my_creds.times.renew_till = now + rlife;
} else
my_creds.times.renew_till = 0;
code = krb5_get_in_tkt_with_password(options, my_addresses,
ETYPE_DES_CBC_CRC,
KEYTYPE_DES,
0, /* let lib read pwd from kbd */
ccache,
&my_creds);
if (code != 0) {
com_err (argv[0], code, "while getting initial credentials");
exit(1);
}
exit(0);
}
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