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|
/*
* admin/edit/loadv4.c
*
* Copyright 1990,1991 by the Massachusetts Institute of Technology.
* All Rights Reserved.
*
* Export of this software from the United States of America may
* require a specific license from the United States Government.
* It is the responsibility of any person or organization contemplating
* export to obtain such a license before exporting.
*
* WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
* distribute this software and its documentation for any purpose and
* without fee is hereby granted, provided that the above copyright
* notice appear in all copies and that both that copyright notice and
* this permission notice appear in supporting documentation, and that
* the name of M.I.T. not be used in advertising or publicity pertaining
* to distribution of the software without specific, written prior
* permission. M.I.T. makes no representations about the suitability of
* this software for any purpose. It is provided "as is" without express
* or implied warranty.
*
*
* Generate (from scratch) a Kerberos V5 KDC database, filling it in with the
* entries from a V4 database.
*/
#ifdef KRB5_KRB4_COMPAT
#include <des.h>
#include <krb.h>
#include <krb_db.h>
/* MKEYFILE is now defined in kdc.h */
#include <kdc.h>
static C_Block master_key;
static Key_schedule master_key_schedule;
static long master_key_version;
static char *v4_mkeyfile = "/.k";
#include "k5-int.h"
#include "com_err.h"
#include "adm.h"
#include "adm_proto.h"
#include <stdio.h>
#include <netinet/in.h> /* ntohl */
#define PROGNAME argv[0]
enum ap_op {
NULL_KEY, /* setup null keys */
MASTER_KEY, /* use master key as new key */
RANDOM_KEY /* choose a random key */
};
struct realm_info {
krb5_deltat max_life;
krb5_deltat max_rlife;
krb5_timestamp expiration;
krb5_flags flags;
krb5_encrypt_block *eblock;
krb5_pointer rseed;
};
static struct realm_info rblock = { /* XXX */
KRB5_KDB_MAX_LIFE,
KRB5_KDB_MAX_RLIFE,
KRB5_KDB_EXPIRATION,
KRB5_KDB_DEF_FLAGS,
0
};
static int verbose = 0;
static krb5_error_code add_principal
PROTOTYPE((krb5_context,
krb5_principal,
enum ap_op,
struct realm_info *));
static int v4init PROTOTYPE((char *, char *, int, char *));
static krb5_error_code enter_in_v5_db PROTOTYPE((krb5_context,
char *, Principal *));
static krb5_error_code process_v4_dump PROTOTYPE((krb5_context, char *,
char *));
static krb5_error_code fixup_database PROTOTYPE((krb5_context, char *));
static int create_local_tgt = 0;
static void
usage(who, status)
char *who;
int status;
{
fprintf(stderr, "usage: %s [-d v5dbpathname] [-t] [-n] [-r realmname] [-K] [-k enctype]\n\
\t[-M mkeyname] -f inputfile\n",
who);
return;
}
static krb5_keyblock master_keyblock;
static krb5_principal master_princ;
static krb5_encrypt_block master_encblock;
static krb5_data tgt_princ_entries[] = {
{0, KRB5_TGS_NAME_SIZE, KRB5_TGS_NAME},
{0, 0, 0} };
static krb5_data db_creator_entries[] = {
{0, sizeof("db_creation")-1, "db_creation"} };
/* XXX knows about contents of krb5_principal, and that tgt names
are of form TGT/REALM@REALM */
static krb5_principal_data tgt_princ = {
0, /* magic number */
{0, 0, 0}, /* krb5_data realm */
tgt_princ_entries, /* krb5_data *data */
2, /* int length */
KRB5_NT_SRV_INST /* int type */
};
static krb5_principal_data db_create_princ = {
0, /* magic number */
{0, 0, 0}, /* krb5_data realm */
db_creator_entries, /* krb5_data *data */
1, /* int length */
KRB5_NT_SRV_INST /* int type */
};
void
load_v4db(argc, argv)
int argc;
char *argv[];
{
krb5_error_code retval;
/* The kdb library will default to this, but it is convenient to
make it explicit (error reporting and temporary filename generation
use it). */
char *dbname = DEFAULT_KDB_FILE;
char *v4dbname = 0;
char *v4dumpfile = 0;
char *realm = 0;
char *mkey_name = 0;
char *mkey_fullname;
char *defrealm;
int enctypedone = 0;
int v4manual = 0;
int read_mkey = 0;
int tempdb = 0;
char *tempdbname;
krb5_context context;
char *stash_file = (char *) NULL;
krb5_realm_params *rparams;
int persist, op_ind;
krb5_init_context(&context);
krb5_init_ets(context);
if (strrchr(argv[0], '/'))
argv[0] = strrchr(argv[0], '/')+1;
persist = 1;
op_ind = 1;
while (persist && (op_ind < argc)) {
if (!strcmp(argv[op_ind], "-d") && ((argc - op_ind) >= 2)) {
dbname = argv[op_ind+1];
op_ind++;
}
else if (!strcmp(argv[op_ind], "-T")) {
create_local_tgt = 1;
}
else if (!strcmp(argv[op_ind], "-t")) {
tempdb = 1;
}
else if (!strcmp(argv[op_ind], "-r") && ((argc - op_ind) >= 2)) {
realm = argv[op_ind+1];
op_ind++;
}
else if (!strcmp(argv[op_ind], "-K")) {
read_mkey = 1;
}
else if (!strcmp(argv[op_ind], "-v")) {
verbose = 1;
}
else if (!strcmp(argv[op_ind], "-k") && ((argc - op_ind) >= 2)) {
if (!krb5_string_to_enctype(argv[op_ind+1],
&master_keyblock.enctype))
enctypedone++;
else
com_err(argv[0], 0, "%s is an invalid enctype",
argv[op_ind+1]);
op_ind++;
}
else if (!strcmp(argv[op_ind], "-M") && ((argc - op_ind) >= 2)) {
mkey_name = argv[op_ind+1];
op_ind++;
}
else if (!strcmp(argv[op_ind], "-n")) {
v4manual++;
}
else if (!strcmp(argv[op_ind], "-f") && ((argc - op_ind) >= 2)) {
if (v4dbname) {
usage(PROGNAME, 1);
return;
}
v4dumpfile = argv[op_ind+1];
op_ind++;
}
else
persist = 0;
op_ind++;
}
/*
* Attempt to read the KDC profile. If we do, then read appropriate values
* from it and augment values supplied on the command line.
*/
if (!(retval = krb5_read_realm_params(context,
realm,
(char *) NULL,
(char *) NULL,
&rparams))) {
/* Get the value for the database */
if (rparams->realm_dbname && !dbname)
dbname = strdup(rparams->realm_dbname);
/* Get the value for the master key name */
if (rparams->realm_mkey_name && !mkey_name)
mkey_name = strdup(rparams->realm_mkey_name);
/* Get the value for the master key type */
if (rparams->realm_enctype_valid && !enctypedone) {
master_keyblock.enctype = rparams->realm_enctype;
enctypedone++;
}
/* Get the value for the stashfile */
if (rparams->realm_stash_file)
stash_file = strdup(rparams->realm_stash_file);
/* Get the value for maximum ticket lifetime. */
if (rparams->realm_max_life_valid)
rblock.max_life = rparams->realm_max_life;
/* Get the value for maximum renewable ticket lifetime. */
if (rparams->realm_max_rlife_valid)
rblock.max_rlife = rparams->realm_max_rlife;
/* Get the value for the default principal expiration */
if (rparams->realm_expiration_valid)
rblock.expiration = rparams->realm_expiration;
/* Get the value for the default principal flags */
if (rparams->realm_flags_valid)
rblock.flags = rparams->realm_flags;
krb5_free_realm_params(context, rparams);
}
if (!v4dumpfile) {
usage(PROGNAME, 1);
return;
}
if (!enctypedone)
master_keyblock.enctype = DEFAULT_KDC_ENCTYPE;
if (!valid_enctype(master_keyblock.enctype)) {
com_err(PROGNAME, KRB5_PROG_KEYTYPE_NOSUPP,
"while setting up enctype %d", master_keyblock.enctype);
return;
}
krb5_use_enctype(context, &master_encblock, master_keyblock.enctype);
/* If the user has not requested locking, don't modify an existing database. */
if (! tempdb) {
retval = krb5_db_set_name(context, dbname);
if (retval != ENOENT) {
fprintf(stderr,
"%s: The v5 database appears to already exist.\n",
PROGNAME);
return;
}
tempdbname = dbname;
} else {
int dbnamelen = strlen(dbname);
tempdbname = malloc(dbnamelen + 2);
if (tempdbname == 0) {
com_err(PROGNAME, ENOMEM, "allocating temporary filename");
return;
}
strcpy(tempdbname, dbname);
tempdbname[dbnamelen] = '~';
tempdbname[dbnamelen+1] = 0;
(void) kdb5_db_destroy(context, tempdbname);
}
if (!realm) {
if (retval = krb5_get_default_realm(context, &defrealm)) {
com_err(PROGNAME, retval, "while retrieving default realm name");
return;
}
realm = defrealm;
}
/* assemble & parse the master key name */
if (retval = krb5_db_setup_mkey_name(context, mkey_name, realm,
&mkey_fullname, &master_princ)) {
com_err(PROGNAME, retval, "while setting up master key name");
return;
}
krb5_princ_set_realm_data(context, &db_create_princ, realm);
krb5_princ_set_realm_length(context, &db_create_princ, strlen(realm));
krb5_princ_set_realm_data(context, &tgt_princ, realm);
krb5_princ_set_realm_length(context, &tgt_princ, strlen(realm));
krb5_princ_component(context, &tgt_princ,1)->data = realm;
krb5_princ_component(context, &tgt_princ,1)->length = strlen(realm);
printf("Initializing database '%s' for realm '%s',\n\
master key name '%s'\n",
dbname, realm, mkey_fullname);
if (read_mkey) {
puts("You will be prompted for the version 5 database Master Password.");
puts("It is important that you NOT FORGET this password.");
fflush(stdout);
}
if (retval = krb5_db_fetch_mkey(context, master_princ, &master_encblock,
read_mkey, read_mkey, stash_file, 0,
&master_keyblock)) {
com_err(PROGNAME, retval, "while reading master key");
return;
}
if (retval = krb5_process_key(context, &master_encblock, &master_keyblock)) {
com_err(PROGNAME, retval, "while processing master key");
return;
}
rblock.eblock = &master_encblock;
if (retval = krb5_init_random_key(context, &master_encblock,
&master_keyblock, &rblock.rseed)) {
com_err(PROGNAME, retval, "while initializing random key generator");
(void) krb5_finish_key(context, &master_encblock);
return;
}
if (retval = krb5_db_create(context, tempdbname)) {
(void) krb5_finish_key(context, &master_encblock);
(void) krb5_finish_random_key(context, &master_encblock, &rblock.rseed);
(void) krb5_dbm_db_destroy(context, tempdbname);
com_err(PROGNAME, retval, "while creating %sdatabase '%s'",
tempdb ? "temporary " : "", tempdbname);
return;
}
if (retval = krb5_db_set_name(context, tempdbname)) {
(void) krb5_finish_key(context, &master_encblock);
(void) krb5_finish_random_key(context, &master_encblock, &rblock.rseed);
(void) krb5_dbm_db_destroy(context, tempdbname);
com_err(PROGNAME, retval, "while setting active database to '%s'",
tempdbname);
return;
}
if (v4init(PROGNAME, v4dbname, v4manual, v4dumpfile)) {
(void) krb5_finish_key(context, &master_encblock);
(void) krb5_finish_random_key(context, &master_encblock, &rblock.rseed);
(void) krb5_dbm_db_destroy(context, tempdbname);
return;
}
if ((retval = krb5_db_init(context)) ||
(retval = krb5_dbm_db_open_database(context))) {
(void) krb5_finish_key(context, &master_encblock);
(void) krb5_finish_random_key(context, &master_encblock, &rblock.rseed);
(void) krb5_dbm_db_destroy(context, tempdbname);
com_err(PROGNAME, retval, "while initializing the database '%s'",
tempdbname);
return;
}
if (retval = add_principal(context, master_princ, MASTER_KEY, &rblock)) {
(void) krb5_db_fini(context);
(void) krb5_finish_key(context, &master_encblock);
(void) krb5_finish_random_key(context, &master_encblock, &rblock.rseed);
(void) krb5_dbm_db_destroy(context, tempdbname);
com_err(PROGNAME, retval, "while adding K/M to the database");
return;
}
if (create_local_tgt &&
(retval = add_principal(context, &tgt_princ, RANDOM_KEY, &rblock))) {
(void) krb5_db_fini(context);
(void) krb5_finish_key(context, &master_encblock);
(void) krb5_finish_random_key(context, &master_encblock, &rblock.rseed);
(void) krb5_dbm_db_destroy(context, tempdbname);
com_err(PROGNAME, retval, "while adding TGT service to the database");
return;
}
retval = process_v4_dump(context, v4dumpfile, realm);
putchar('\n');
if (retval)
com_err(PROGNAME, retval, "while translating entries to the database");
else {
retval = fixup_database(context, realm);
}
/* clean up; rename temporary database if there were no errors */
if (retval == 0) {
if (retval = krb5_db_fini (context))
com_err(PROGNAME, retval, "while shutting down database");
else if (tempdb && (retval = krb5_dbm_db_rename(context, tempdbname,
dbname)))
com_err(PROGNAME, retval, "while renaming temporary database");
} else {
(void) krb5_db_fini (context);
if (tempdb)
(void) krb5_dbm_db_destroy (context, tempdbname);
}
(void) krb5_finish_key(context, &master_encblock);
(void) krb5_finish_random_key(context, &master_encblock, &rblock.rseed);
memset((char *)master_keyblock.contents, 0, master_keyblock.length);
krb5_free_context(context);
return;
}
static int
v4init(pname, name, manual, dumpfile)
char *pname, *name;
int manual;
char *dumpfile;
{
int fd;
int ok = 0;
if (!manual) {
fd = open(v4_mkeyfile, O_RDONLY, 0600);
if (fd >= 0) {
if (read(fd, master_key, sizeof(master_key)) == sizeof(master_key))
ok = 1;
close(fd);
}
}
if (!ok) {
des_read_password(master_key, "V4 Kerberos master key: ", 0);
printf("\n");
}
key_sched(master_key, master_key_schedule);
return 0;
}
static krb5_error_code
enter_in_v5_db(context, realm, princ)
krb5_context context;
char *realm;
Principal *princ;
{
krb5_db_entry entry;
krb5_error_code retval;
krb5_keyblock v4v5key;
int nentries = 1;
des_cblock v4key;
char *name;
krb5_tl_mod_princ mod_princ;
krb5_keysalt keysalt;
/* don't convert local TGT if we created a TGT already.... */
if (create_local_tgt && !strcmp(princ->name, "krbtgt") &&
!strcmp(princ->instance, realm)) {
if (verbose)
printf("\nignoring local TGT: '%s.%s' ...",
princ->name, princ->instance);
return 0;
}
if (!strcmp(princ->name, KERB_M_NAME) &&
!strcmp(princ->instance, KERB_M_INST)) {
des_cblock key_from_db;
int val;
/* here's our chance to verify the master key */
/*
* use the master key to decrypt the key in the db, had better
* be the same!
*/
memcpy(key_from_db, (char *)&princ->key_low, 4);
memcpy(((char *) key_from_db) + 4, (char *)&princ->key_high, 4);
pcbc_encrypt((C_Block *) &key_from_db,
(C_Block *) &key_from_db,
(long) sizeof(C_Block),
master_key_schedule,
(C_Block *) master_key,
DECRYPT);
val = memcmp((char *) master_key, (char *) key_from_db,
sizeof(master_key));
memset((char *)key_from_db, 0, sizeof(key_from_db));
if (val) {
return KRB5_KDB_BADMASTERKEY;
}
if (verbose)
printf("\nignoring '%s.%s' ...", princ->name, princ->instance);
return 0;
}
memset((char *) &entry, 0, sizeof(entry));
if (retval = krb5_425_conv_principal(context, princ->name, princ->instance,
realm, &entry.princ))
return retval;
if (verbose) {
if (retval = krb5_unparse_name(context, entry.princ, &name))
name = strdup("<not unparsable name!>");
if (verbose)
printf("\ntranslating %s...", name);
free(name);
}
if (retval = krb5_build_principal(context, &mod_princ.mod_princ,
strlen(realm),
realm, princ->mod_name,
princ->mod_instance[0] ? princ->mod_instance : 0,
0)) {
krb5_free_principal(context, entry.princ);
return retval;
}
mod_princ.mod_date = princ->mod_date;
entry.max_life = princ->max_life * 60 * 5;
entry.max_renewable_life = rblock.max_rlife;
entry.len = KRB5_KDB_V1_BASE_LENGTH;
entry.expiration = princ->exp_date;
entry.attributes = rblock.flags; /* XXX is there a way to convert
the old attrs? */
memcpy((char *)v4key, (char *)&(princ->key_low), 4);
memcpy((char *) (((char *) v4key) + 4), (char *)&(princ->key_high), 4);
pcbc_encrypt((C_Block *) &v4key,
(C_Block *) &v4key,
(long) sizeof(C_Block),
master_key_schedule,
(C_Block *) master_key,
DECRYPT);
v4v5key.magic = KV5M_KEYBLOCK;
v4v5key.contents = (krb5_octet *)v4key;
v4v5key.enctype = ENCTYPE_DES_CBC_CRC;
v4v5key.length = sizeof(v4key);
retval = krb5_dbe_create_key_data(context, &entry);
if (retval) {
krb5_free_principal(context, entry.princ);
krb5_free_principal(context, mod_princ.mod_princ);
return retval;
}
keysalt.type = KRB5_KDB_SALTTYPE_V4;
keysalt.data.length = 0;
keysalt.data.data = (char *) NULL;
retval = krb5_dbekd_encrypt_key_data(context, rblock.eblock,
&v4v5key, &keysalt,
princ->key_version,
&entry.key_data[0]);
if (!retval)
retval = krb5_dbe_encode_mod_princ_data(context, &mod_princ, &entry);
if (retval) {
krb5_db_free_principal(context, &entry, 1);
krb5_free_principal(context, mod_princ.mod_princ);
return retval;
}
memset((char *)v4key, 0, sizeof(v4key));
retval = krb5_db_put_principal(context, &entry, &nentries);
if (!retval && !strcmp(princ->name, "krbtgt") &&
strcmp(princ->instance, realm) && princ->instance[0]) {
krb5_free_principal(context, entry.princ);
if (retval = krb5_build_principal(context, &entry.princ,
strlen(princ->instance),
princ->instance,
"krbtgt", realm, 0))
return retval;
retval = krb5_db_put_principal(context, &entry, &nentries);
}
krb5_db_free_principal(context, &entry, 1);
krb5_free_principal(context, mod_princ.mod_princ);
return retval;
}
static krb5_error_code
add_principal(context, princ, op, pblock)
krb5_context context;
krb5_principal princ;
enum ap_op op;
struct realm_info *pblock;
{
krb5_db_entry entry;
krb5_error_code retval;
krb5_keyblock *rkey;
int nentries = 1;
krb5_tl_mod_princ mod_princ;
memset((char *) &entry, 0, sizeof(entry));
if (retval = krb5_copy_principal(context, princ, &entry.princ))
return(retval);
entry.max_life = pblock->max_life;
entry.max_renewable_life = pblock->max_rlife;
entry.len = KRB5_KDB_V1_BASE_LENGTH;
entry.expiration = pblock->expiration;
if (retval = krb5_copy_principal(context, &db_create_princ,
&mod_princ.mod_princ)) {
krb5_free_principal(context, entry.princ);
return(retval);
}
if ((retval = krb5_timeofday(context, &mod_princ.mod_date)) ||
(retval = krb5_copy_principal(context, &db_create_princ,
&mod_princ.mod_princ))) {
krb5_free_principal(context, mod_princ.mod_princ);
krb5_db_free_principal(context, &entry, 1);
return retval;
}
entry.attributes = pblock->flags;
if (retval = krb5_dbe_create_key_data(context, &entry)) {
krb5_free_principal(context, mod_princ.mod_princ);
krb5_db_free_principal(context, &entry, 1);
return(retval);
}
switch (op) {
case MASTER_KEY:
entry.attributes |= KRB5_KDB_DISALLOW_ALL_TIX;
if (retval = krb5_dbekd_encrypt_key_data(context, pblock->eblock,
&master_keyblock,
(krb5_keysalt *) NULL, 1,
&entry.key_data[0])) {
krb5_free_principal(context, mod_princ.mod_princ);
krb5_db_free_principal(context, &entry, 1);
return retval;
}
break;
case RANDOM_KEY:
if (retval = krb5_random_key(context, pblock->eblock, pblock->rseed,
&rkey)) {
krb5_free_principal(context, mod_princ.mod_princ);
krb5_db_free_principal(context, &entry, 1);
return retval;
}
if (retval = krb5_dbekd_encrypt_key_data(context, pblock->eblock,
rkey,
(krb5_keysalt *) NULL, 1,
&entry.key_data[0])) {
krb5_free_principal(context, mod_princ.mod_princ);
krb5_db_free_principal(context, &entry, 1);
return(retval);
}
krb5_free_keyblock(context, rkey);
break;
case NULL_KEY:
return EOPNOTSUPP;
default:
break;
}
retval = krb5_dbe_encode_mod_princ_data(context, &mod_princ, &entry);
if (!retval)
retval = krb5_db_put_principal(context, &entry, &nentries);
krb5_db_free_principal(context, &entry, 1);
krb5_free_principal(context, mod_princ.mod_princ);
return retval;
}
/*
* Convert a struct tm * to a UNIX time.
*/
#define daysinyear(y) (((y) % 4) ? 365 : (((y) % 100) ? 366 : (((y) % 400) ? 365 : 366)))
#define SECSPERDAY 24*60*60
#define SECSPERHOUR 60*60
#define SECSPERMIN 60
static int cumdays[] = { 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334,
365};
static int leapyear[] = {31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
static int nonleapyear[] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
static long
maketime(tp, local)
register struct tm *tp;
int local;
{
register long retval;
int foo;
int *marray;
if (tp->tm_mon < 0 || tp->tm_mon > 11 ||
tp->tm_hour < 0 || tp->tm_hour > 23 ||
tp->tm_min < 0 || tp->tm_min > 59 ||
tp->tm_sec < 0 || tp->tm_sec > 59) /* out of range */
return 0;
retval = 0;
if (tp->tm_year < 1900)
foo = tp->tm_year + 1900;
else
foo = tp->tm_year;
if (foo < 1901 || foo > 2038) /* year is too small/large */
return 0;
if (daysinyear(foo) == 366) {
if (tp->tm_mon > 1)
retval+= SECSPERDAY; /* add leap day */
marray = leapyear;
} else
marray = nonleapyear;
if (tp->tm_mday < 0 || tp->tm_mday > marray[tp->tm_mon])
return 0; /* out of range */
while (--foo >= 1970)
retval += daysinyear(foo) * SECSPERDAY;
retval += cumdays[tp->tm_mon] * SECSPERDAY;
retval += (tp->tm_mday-1) * SECSPERDAY;
retval += tp->tm_hour * SECSPERHOUR + tp->tm_min * SECSPERMIN + tp->tm_sec;
if (local) {
/* need to use local time, so we retrieve timezone info */
struct timezone tz;
struct timeval tv;
if (gettimeofday(&tv, &tz) < 0) {
/* some error--give up? */
return(retval);
}
retval += tz.tz_minuteswest * SECSPERMIN;
}
return(retval);
}
static long
time_explode(cp)
register char *cp;
{
char wbuf[5];
struct tm tp;
int local;
memset((char *)&tp, 0, sizeof(tp));
if (strlen(cp) > 10) { /* new format */
(void) strncpy(wbuf, cp, 4);
wbuf[4] = 0;
tp.tm_year = atoi(wbuf);
cp += 4; /* step over the year */
local = 0; /* GMT */
} else { /* old format: local time,
year is 2 digits, assuming 19xx */
wbuf[0] = *cp++;
wbuf[1] = *cp++;
wbuf[2] = 0;
tp.tm_year = 1900 + atoi(wbuf);
local = 1; /* local */
}
wbuf[0] = *cp++;
wbuf[1] = *cp++;
wbuf[2] = 0;
tp.tm_mon = atoi(wbuf)-1;
wbuf[0] = *cp++;
wbuf[1] = *cp++;
tp.tm_mday = atoi(wbuf);
wbuf[0] = *cp++;
wbuf[1] = *cp++;
tp.tm_hour = atoi(wbuf);
wbuf[0] = *cp++;
wbuf[1] = *cp++;
tp.tm_min = atoi(wbuf);
return(maketime(&tp, local));
}
static krb5_error_code
process_v4_dump(context, dumpfile, realm)
krb5_context context;
char *dumpfile;
char *realm;
{
krb5_error_code retval;
FILE *input_file;
Principal aprinc;
char exp_date_str[50];
char mod_date_str[50];
int temp1, temp2, temp3;
long time_explode();
input_file = fopen(dumpfile, "r");
if (!input_file)
return errno;
for (;;) { /* explicit break on eof from fscanf */
int nread;
memset((char *)&aprinc, 0, sizeof(aprinc));
nread = fscanf(input_file,
"%s %s %d %d %d %hd %x %x %s %s %s %s\n",
aprinc.name,
aprinc.instance,
&temp1,
&temp2,
&temp3,
&aprinc.attributes,
&aprinc.key_low,
&aprinc.key_high,
exp_date_str,
mod_date_str,
aprinc.mod_name,
aprinc.mod_instance);
if (nread != 12) {
retval = nread == EOF ? 0 : KRB5_KDB_DB_CORRUPT;
break;
}
aprinc.key_low = ntohl (aprinc.key_low);
aprinc.key_high = ntohl (aprinc.key_high);
aprinc.max_life = (unsigned char) temp1;
aprinc.kdc_key_ver = (unsigned char) temp2;
aprinc.key_version = (unsigned char) temp3;
aprinc.exp_date = time_explode(exp_date_str);
aprinc.mod_date = time_explode(mod_date_str);
if (aprinc.instance[0] == '*')
aprinc.instance[0] = '\0';
if (aprinc.mod_name[0] == '*')
aprinc.mod_name[0] = '\0';
if (aprinc.mod_instance[0] == '*')
aprinc.mod_instance[0] = '\0';
if (retval = enter_in_v5_db(context, realm, &aprinc))
break;
}
(void) fclose(input_file);
return retval;
}
static krb5_error_code fixup_database(context, realm)
krb5_context context;
char * realm;
{
krb5_db_entry entry;
krb5_error_code retval;
int nprincs;
krb5_boolean more;
nprincs = 1;
if (retval = krb5_db_get_principal(context, &tgt_princ, &entry,
&nprincs, &more))
return retval;
if (nprincs == 0)
return 0;
entry.attributes |= KRB5_KDB_SUPPORT_DESMD5;
retval = krb5_db_put_principal(context, &entry, &nprincs);
if (nprincs)
krb5_db_free_principal(context, &entry, nprincs);
return retval;
}
#else /* KRB5_KRB4_COMPAT */
void
load_v4db(argc, argv)
int argc;
char *argv[];
{
printf("This version of krb5_edit does not support the V4 load command.\n");
}
#endif /* KRB5_KRB4_COMPAT */
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