1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
|
/*
* 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 $
* $FreeBSD$
*/
#if 0
#ifndef lint
static char rcsid[] =
"$FreeBSD$";
#endif lint
#endif
#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 add_principal(char *name, char *instance, enum ap_op aap_op);
int debug = 0;
char *progname;
C_Block master_key;
Key_schedule master_key_schedule;
int
main(argc, argv)
int argc;
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);
}
des_init_random_number_generator(master_key);
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. */
int
add_principal(name, instance, aap_op)
char *name, *instance;
enum ap_op aap_op;
{
Principal principal;
struct tm *tm;
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
des_new_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;
}
|
