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/*
* Copyright 1987, 1988 by the Massachusetts Institute of Technology.
* For copying and distribution information, please see the file
* <Copyright.MIT>.
*
* program to initialize the database, reports error if database file
* already exists.
*
* from: kdb_init.c,v 4.0 89/01/24 21:50:45 jtkohl Exp $
* $Id: kdb_init.c,v 1.1.1.1 1994/09/30 14:49:56 csgr Exp $
*/
#ifndef lint
static char rcsid[] =
"$Id: kdb_init.c,v 1.1.1.1 1994/09/30 14:49:56 csgr Exp $";
#endif lint
#include <stdio.h>
#include <sys/types.h>
#include <sys/file.h>
#include <sys/time.h>
#include <des.h>
#include <krb.h>
#include <krb_db.h>
#include <string.h>
#define TRUE 1
enum ap_op {
NULL_KEY, /* setup null keys */
MASTER_KEY, /* use master key as new key */
RANDOM_KEY, /* choose a random key */
};
int debug = 0;
char *progname, *rindex();
C_Block master_key;
Key_schedule master_key_schedule;
main(argc, argv)
char *argv[];
{
char realm[REALM_SZ];
char *cp;
int code;
char *database;
progname = (cp = rindex(*argv, '/')) ? cp + 1 : *argv;
if (argc > 3) {
fprintf(stderr, "Usage: %s [realm-name] [database-name]\n", argv[0]);
exit(1);
}
if (argc == 3) {
database = argv[2];
--argc;
} else
database = DBM_FILE;
/* Do this first, it'll fail if the database exists */
if ((code = kerb_db_create(database)) != 0) {
fprintf(stderr, "Couldn't create database: %s\n",
sys_errlist[code]);
exit(1);
}
kerb_db_set_name(database);
if (argc == 2)
strncpy(realm, argv[1], REALM_SZ);
else {
fprintf(stderr, "Realm name [default %s ]: ", KRB_REALM);
if (fgets(realm, sizeof(realm), stdin) == NULL) {
fprintf(stderr, "\nEOF reading realm\n");
exit(1);
}
if (cp = index(realm, '\n'))
*cp = '\0';
if (!*realm) /* no realm given */
strcpy(realm, KRB_REALM);
}
if (!k_isrealm(realm)) {
fprintf(stderr, "%s: Bad kerberos realm name \"%s\"\n",
progname, realm);
exit(1);
}
printf("You will be prompted for the database Master Password.\n");
printf("It is important that you NOT FORGET this password.\n");
fflush(stdout);
if (kdb_get_master_key (TRUE, master_key, master_key_schedule) != 0) {
fprintf (stderr, "Couldn't read master key.\n");
exit (-1);
}
if (
add_principal(KERB_M_NAME, KERB_M_INST, MASTER_KEY) ||
add_principal(KERB_DEFAULT_NAME, KERB_DEFAULT_INST, NULL_KEY) ||
add_principal("krbtgt", realm, RANDOM_KEY) ||
add_principal("changepw", KRB_MASTER, RANDOM_KEY)
) {
fprintf(stderr, "\n%s: couldn't initialize database.\n",
progname);
exit(1);
}
/* play it safe */
bzero (master_key, sizeof (C_Block));
bzero (master_key_schedule, sizeof (Key_schedule));
exit(0);
}
/* use a return code to indicate success or failure. check the return */
/* values of the routines called by this routine. */
add_principal(name, instance, aap_op)
char *name, *instance;
enum ap_op aap_op;
{
Principal principal;
char datestring[50];
char pw_str[255];
void read_pw_string();
void string_to_key();
void random_key();
struct tm *tm, *localtime();
C_Block new_key;
bzero(&principal, sizeof(principal));
strncpy(principal.name, name, ANAME_SZ);
strncpy(principal.instance, instance, INST_SZ);
switch (aap_op) {
case NULL_KEY:
principal.key_low = 0;
principal.key_high = 0;
break;
case RANDOM_KEY:
#ifdef NOENCRYPTION
bzero(new_key, sizeof(C_Block));
new_key[0] = 127;
#else
random_key(new_key);
#endif
kdb_encrypt_key (new_key, new_key, master_key, master_key_schedule,
ENCRYPT);
bcopy(new_key, &principal.key_low, 4);
bcopy(((long *) new_key) + 1, &principal.key_high, 4);
break;
case MASTER_KEY:
bcopy (master_key, new_key, sizeof (C_Block));
kdb_encrypt_key (new_key, new_key, master_key, master_key_schedule,
ENCRYPT);
bcopy(new_key, &principal.key_low, 4);
bcopy(((long *) new_key) + 1, &principal.key_high, 4);
break;
}
principal.exp_date = 946702799; /* Happy new century */
strncpy(principal.exp_date_txt, "12/31/99", DATE_SZ);
principal.mod_date = time(0);
tm = localtime(&principal.mod_date);
principal.attributes = 0;
principal.max_life = 255;
principal.kdc_key_ver = 1;
principal.key_version = 1;
strncpy(principal.mod_name, "db_creation", ANAME_SZ);
strncpy(principal.mod_instance, "", INST_SZ);
principal.old = 0;
kerb_db_put_principal(&principal, 1);
/* let's play it safe */
bzero (new_key, sizeof (C_Block));
bzero (&principal.key_low, 4);
bzero (&principal.key_high, 4);
return 0;
}
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