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freebsd-dev/crypto/heimdal/kdc/hprop.c
Assar Westerlund 5e9cd1ae3e import of heimdal 0.3e
2001-02-13 16:46:19 +00:00

914 lines
24 KiB
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/*
* Copyright (c) 1997 - 2001 Kungliga Tekniska Högskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include "hprop.h"
RCSID("$Id: hprop.c,v 1.60 2001/02/05 03:40:00 assar Exp $");
static int version_flag;
static int help_flag;
static char *ktname = HPROP_KEYTAB;
static char *database;
static char *mkeyfile;
static int to_stdout;
static int verbose_flag;
static int encrypt_flag;
static int decrypt_flag;
static hdb_master_key mkey5;
static char *source_type;
static char *afs_cell;
static char *realm;
#ifdef KRB4
static int v4_db;
static des_cblock mkey4;
static des_key_schedule msched4;
#ifdef KASERVER_DB
static int kaspecials_flag;
static int ka_db;
static int ka_use_null_salt;
#endif
#endif
static char *local_realm=NULL;
static int
open_socket(krb5_context context, const char *hostname, const char *port)
{
struct addrinfo *ai, *a;
struct addrinfo hints;
int error;
memset (&hints, 0, sizeof(hints));
hints.ai_socktype = SOCK_STREAM;
hints.ai_protocol = IPPROTO_TCP;
error = getaddrinfo (hostname, port, &hints, &ai);
if (error) {
warnx ("%s: %s", hostname, gai_strerror(error));
return -1;
}
for (a = ai; a != NULL; a = a->ai_next) {
int s;
s = socket (a->ai_family, a->ai_socktype, a->ai_protocol);
if (s < 0)
continue;
if (connect (s, a->ai_addr, a->ai_addrlen) < 0) {
warn ("connect(%s)", hostname);
close (s);
continue;
}
freeaddrinfo (ai);
return s;
}
warnx ("failed to contact %s", hostname);
freeaddrinfo (ai);
return -1;
}
krb5_error_code
v5_prop(krb5_context context, HDB *db, hdb_entry *entry, void *appdata)
{
krb5_error_code ret;
struct prop_data *pd = appdata;
krb5_data data;
if(encrypt_flag) {
ret = hdb_seal_keys_mkey(context, entry, mkey5);
if (ret) {
krb5_warn(context, ret, "hdb_seal_keys_mkey");
return ret;
}
}
if(decrypt_flag) {
ret = hdb_unseal_keys_mkey(context, entry, mkey5);
if (ret) {
krb5_warn(context, ret, "hdb_unseal_keys_mkey");
return ret;
}
}
ret = hdb_entry2value(context, entry, &data);
if(ret) {
krb5_warn(context, ret, "hdb_entry2value");
return ret;
}
if(to_stdout)
ret = krb5_write_message(context, &pd->sock, &data);
else
ret = krb5_write_priv_message(context, pd->auth_context,
&pd->sock, &data);
krb5_data_free(&data);
return ret;
}
#ifdef KRB4
static char realm_buf[REALM_SZ];
static int
kdb_prop(void *arg, Principal *p)
{
int ret;
struct v4_principal pr;
memset(&pr, 0, sizeof(pr));
if(p->attributes != 0) {
warnx("%s.%s has non-zero attributes - skipping",
p->name, p->instance);
return 0;
}
strlcpy(pr.name, p->name, sizeof(pr.name));
strlcpy(pr.instance, p->instance, sizeof(pr.instance));
copy_to_key(&p->key_low, &p->key_high, pr.key);
kdb_encrypt_key(&pr.key, &pr.key, &mkey4, msched4, DES_DECRYPT);
pr.exp_date = p->exp_date;
pr.mod_date = p->mod_date;
strlcpy(pr.mod_name, p->mod_name, sizeof(pr.mod_name));
strlcpy(pr.mod_instance, p->mod_instance, sizeof(pr.mod_instance));
pr.max_life = p->max_life;
pr.mkvno = -1; /* p->kdc_key_ver; */
pr.kvno = p->key_version;
ret = v4_prop(arg, &pr);
memset(&pr, 0, sizeof(pr));
return ret;
}
#endif /* KRB4 */
#ifndef KRB4
static time_t
krb_life_to_time(time_t start, int life)
{
static int lifetimes[] = {
38400, 41055, 43894, 46929, 50174, 53643, 57352, 61318,
65558, 70091, 74937, 80119, 85658, 91581, 97914, 104684,
111922, 119661, 127935, 136781, 146239, 156350, 167161, 178720,
191077, 204289, 218415, 233517, 249664, 266926, 285383, 305116,
326213, 348769, 372885, 398668, 426234, 455705, 487215, 520904,
556921, 595430, 636601, 680618, 727680, 777995, 831789, 889303,
950794, 1016537, 1086825, 1161973, 1242318, 1328218, 1420057, 1518247,
1623226, 1735464, 1855462, 1983758, 2120925, 2267576, 2424367, 2592000
};
#if 0
int i;
double q = exp((log(2592000.0) - log(38400.0)) / 63);
double x = 38400;
for(i = 0; i < 64; i++) {
lifetimes[i] = (int)x;
x *= q;
}
#endif
if(life == 0xff)
return NEVERDATE;
if(life < 0x80)
return start + life * 5 * 60;
if(life > 0xbf)
life = 0xbf;
return start + lifetimes[life - 0x80];
}
#endif /* !KRB4 */
int
v4_prop(void *arg, struct v4_principal *p)
{
struct prop_data *pd = arg;
hdb_entry ent;
krb5_error_code ret;
memset(&ent, 0, sizeof(ent));
ret = krb5_425_conv_principal(pd->context, p->name, p->instance, realm,
&ent.principal);
if(ret){
krb5_warn(pd->context, ret,
"krb5_425_conv_principal %s.%s@%s",
p->name, p->instance, realm);
return 0;
}
if(verbose_flag) {
char *s;
krb5_unparse_name_short(pd->context, ent.principal, &s);
krb5_warnx(pd->context, "%s.%s -> %s", p->name, p->instance, s);
free(s);
}
ent.kvno = p->kvno;
ent.keys.len = 3;
ent.keys.val = malloc(ent.keys.len * sizeof(*ent.keys.val));
if(p->mkvno != -1) {
ent.keys.val[0].mkvno = malloc (sizeof(*ent.keys.val[0].mkvno));
#if 0
*(ent.keys.val[0].mkvno) = p->mkvno; /* XXX */
#else
*(ent.keys.val[0].mkvno) = 0;
#endif
} else
ent.keys.val[0].mkvno = NULL;
ent.keys.val[0].salt = calloc(1, sizeof(*ent.keys.val[0].salt));
ent.keys.val[0].salt->type = KRB5_PADATA_PW_SALT;
ent.keys.val[0].key.keytype = ETYPE_DES_CBC_MD5;
krb5_data_alloc(&ent.keys.val[0].key.keyvalue, sizeof(des_cblock));
memcpy(ent.keys.val[0].key.keyvalue.data, p->key, 8);
copy_Key(&ent.keys.val[0], &ent.keys.val[1]);
ent.keys.val[1].key.keytype = ETYPE_DES_CBC_MD4;
copy_Key(&ent.keys.val[0], &ent.keys.val[2]);
ent.keys.val[2].key.keytype = ETYPE_DES_CBC_CRC;
{
int life = krb_life_to_time(0, p->max_life);
if(life == NEVERDATE){
ent.max_life = NULL;
} else {
/* clean up lifetime a bit */
if(life > 86400)
life = (life + 86399) / 86400 * 86400;
else if(life > 3600)
life = (life + 3599) / 3600 * 3600;
ALLOC(ent.max_life);
*ent.max_life = life;
}
}
ALLOC(ent.valid_end);
*ent.valid_end = p->exp_date;
ret = krb5_make_principal(pd->context, &ent.created_by.principal,
realm,
"kadmin",
"hprop",
NULL);
if(ret){
krb5_warn(pd->context, ret, "krb5_make_principal");
ret = 0;
goto out;
}
ent.created_by.time = time(NULL);
ALLOC(ent.modified_by);
ret = krb5_425_conv_principal(pd->context, p->mod_name, p->mod_instance,
realm, &ent.modified_by->principal);
if(ret){
krb5_warn(pd->context, ret, "%s.%s@%s", p->name, p->instance, realm);
ent.modified_by->principal = NULL;
ret = 0;
goto out;
}
ent.modified_by->time = p->mod_date;
ent.flags.forwardable = 1;
ent.flags.renewable = 1;
ent.flags.proxiable = 1;
ent.flags.postdate = 1;
ent.flags.client = 1;
ent.flags.server = 1;
/* special case password changing service */
if(strcmp(p->name, "changepw") == 0 &&
strcmp(p->instance, "kerberos") == 0) {
ent.flags.forwardable = 0;
ent.flags.renewable = 0;
ent.flags.proxiable = 0;
ent.flags.postdate = 0;
ent.flags.initial = 1;
ent.flags.change_pw = 1;
}
ret = v5_prop(pd->context, NULL, &ent, pd);
if (strcmp (p->name, "krbtgt") == 0
&& strcmp (realm, p->instance) != 0) {
krb5_free_principal (pd->context, ent.principal);
ret = krb5_425_conv_principal (pd->context, p->name,
realm, p->instance,
&ent.principal);
if (ret == 0)
ret = v5_prop (pd->context, NULL, &ent, pd);
}
out:
hdb_free_entry(pd->context, &ent);
return ret;
}
#ifdef KRB4
#ifdef KASERVER_DB
#include "kadb.h"
/* read a `ka_entry' from `fd' at offset `pos' */
static void
read_block(krb5_context context, int fd, int32_t pos, void *buf, size_t len)
{
krb5_error_code ret;
if(lseek(fd, 64 + pos, SEEK_SET) == (off_t)-1)
krb5_err(context, 1, errno, "lseek(%u)", 64 + pos);
ret = read(fd, buf, len);
if(ret < 0)
krb5_err(context, 1, errno, "read(%u)", len);
if(ret != len)
krb5_errx(context, 1, "read(%u) = %u", len, ret);
}
static int
ka_convert(struct prop_data *pd, int fd, struct ka_entry *ent,
const char *cell)
{
int32_t flags = ntohl(ent->flags);
krb5_error_code ret;
hdb_entry hdb;
if(!kaspecials_flag
&& (flags & KAFNORMAL) == 0) /* remove special entries */
return 0;
memset(&hdb, 0, sizeof(hdb));
ret = krb5_425_conv_principal(pd->context, ent->name, ent->instance, realm,
&hdb.principal);
if(ret) {
krb5_warn(pd->context, ret,
"krb5_425_conv_principal (%s.%s@%s)",
ent->name, ent->instance, realm);
return 0;
}
hdb.kvno = ntohl(ent->kvno);
hdb.keys.len = 3;
hdb.keys.val = malloc(hdb.keys.len * sizeof(*hdb.keys.val));
hdb.keys.val[0].mkvno = NULL;
hdb.keys.val[0].salt = calloc(1, sizeof(*hdb.keys.val[0].salt));
if (ka_use_null_salt) {
hdb.keys.val[0].salt->type = hdb_pw_salt;
hdb.keys.val[0].salt->salt.data = NULL;
hdb.keys.val[0].salt->salt.length = 0;
} else {
hdb.keys.val[0].salt->type = hdb_afs3_salt;
hdb.keys.val[0].salt->salt.data = strdup(cell);
hdb.keys.val[0].salt->salt.length = strlen(cell);
}
hdb.keys.val[0].key.keytype = ETYPE_DES_CBC_MD5;
krb5_data_copy(&hdb.keys.val[0].key.keyvalue, ent->key, sizeof(ent->key));
copy_Key(&hdb.keys.val[0], &hdb.keys.val[1]);
hdb.keys.val[1].key.keytype = ETYPE_DES_CBC_MD4;
copy_Key(&hdb.keys.val[0], &hdb.keys.val[2]);
hdb.keys.val[2].key.keytype = ETYPE_DES_CBC_CRC;
ALLOC(hdb.max_life);
*hdb.max_life = ntohl(ent->max_life);
if(ntohl(ent->valid_end) != NEVERDATE && ntohl(ent->valid_end) != -1){
ALLOC(hdb.valid_end);
*hdb.valid_end = ntohl(ent->valid_end);
}
if (ntohl(ent->pw_change) != NEVERDATE &&
ent->pw_expire != 255 &&
ent->pw_expire != 0) {
ALLOC(hdb.pw_end);
*hdb.pw_end = ntohl(ent->pw_change)
+ 24 * 60 * 60 * ent->pw_expire;
}
ret = krb5_make_principal(pd->context, &hdb.created_by.principal,
realm,
"kadmin",
"hprop",
NULL);
hdb.created_by.time = time(NULL);
if(ent->mod_ptr){
struct ka_entry mod;
ALLOC(hdb.modified_by);
read_block(pd->context, fd, ntohl(ent->mod_ptr), &mod, sizeof(mod));
krb5_425_conv_principal(pd->context, mod.name, mod.instance, realm,
&hdb.modified_by->principal);
hdb.modified_by->time = ntohl(ent->mod_time);
memset(&mod, 0, sizeof(mod));
}
hdb.flags.forwardable = 1;
hdb.flags.renewable = 1;
hdb.flags.proxiable = 1;
hdb.flags.postdate = 1;
/* XXX - AFS 3.4a creates krbtgt.REALMOFCELL as NOTGS+NOSEAL */
if (strcmp(ent->name, "krbtgt") == 0 &&
(flags & (KAFNOTGS|KAFNOSEAL)) == (KAFNOTGS|KAFNOSEAL))
flags &= ~(KAFNOTGS|KAFNOSEAL);
hdb.flags.client = (flags & KAFNOTGS) == 0;
hdb.flags.server = (flags & KAFNOSEAL) == 0;
ret = v5_prop(pd->context, NULL, &hdb, pd);
hdb_free_entry(pd->context, &hdb);
return ret;
}
static int
ka_dump(struct prop_data *pd, const char *file, const char *cell)
{
struct ka_header header;
int i;
int fd = open(file, O_RDONLY);
if(fd < 0)
krb5_err(pd->context, 1, errno, "open(%s)", file);
read_block(pd->context, fd, 0, &header, sizeof(header));
if(header.version1 != header.version2)
krb5_errx(pd->context, 1, "Version mismatch in header: %d/%d",
ntohl(header.version1), ntohl(header.version2));
if(ntohl(header.version1) != 5)
krb5_errx(pd->context, 1, "Unknown database version %d (expected 5)",
ntohl(header.version1));
for(i = 0; i < ntohl(header.hashsize); i++){
int32_t pos = ntohl(header.hash[i]);
while(pos){
struct ka_entry ent;
read_block(pd->context, fd, pos, &ent, sizeof(ent));
ka_convert(pd, fd, &ent, cell);
pos = ntohl(ent.next);
}
}
return 0;
}
#endif /* KASERVER_DB */
#endif /* KRB4 */
struct getargs args[] = {
{ "master-key", 'm', arg_string, &mkeyfile, "v5 master key file", "file" },
{ "database", 'd', arg_string, &database, "database", "file" },
{ "source", 0, arg_string, &source_type, "type of database to read",
"heimdal"
"|mit-dump"
"|krb4-dump"
#ifdef KRB4
"|krb4-db"
#ifdef KASERVER_DB
"|kaserver"
#endif
#endif
},
#ifdef KRB4
{ "v4-db", '4', arg_flag, &v4_db },
#endif
{ "v4-realm", 'r', arg_string, &realm, "v4 realm to use" },
#ifdef KASERVER_DB
{ "ka-db", 'K', arg_flag, &ka_db },
{ "cell", 'c', arg_string, &afs_cell, "name of AFS cell" },
{ "kaspecials", 'S', arg_flag, &kaspecials_flag, "dump KASPECIAL keys"},
#endif
{ "keytab", 'k', arg_string, &ktname, "keytab to use for authentication", "keytab" },
{ "v5-realm", 'R', arg_string, &local_realm, "v5 realm to use" },
{ "decrypt", 'D', arg_flag, &decrypt_flag, "decrypt keys" },
{ "encrypt", 'E', arg_flag, &encrypt_flag, "encrypt keys" },
{ "stdout", 'n', arg_flag, &to_stdout, "dump to stdout" },
{ "verbose", 'v', arg_flag, &verbose_flag },
{ "version", 0, arg_flag, &version_flag },
{ "help", 'h', arg_flag, &help_flag }
};
static int num_args = sizeof(args) / sizeof(args[0]);
static void
usage(int ret)
{
arg_printusage (args, num_args, NULL, "host ...");
exit (ret);
}
static void
get_creds(krb5_context context, krb5_ccache *cache)
{
krb5_keytab keytab;
krb5_principal client;
krb5_error_code ret;
krb5_get_init_creds_opt init_opts;
krb5_preauthtype preauth = KRB5_PADATA_ENC_TIMESTAMP;
krb5_creds creds;
ret = krb5_kt_register(context, &hdb_kt_ops);
if(ret) krb5_err(context, 1, ret, "krb5_kt_register");
ret = krb5_kt_resolve(context, ktname, &keytab);
if(ret) krb5_err(context, 1, ret, "krb5_kt_resolve");
ret = krb5_make_principal(context, &client, NULL,
"kadmin", HPROP_NAME, NULL);
if(ret) krb5_err(context, 1, ret, "krb5_make_principal");
krb5_get_init_creds_opt_init(&init_opts);
krb5_get_init_creds_opt_set_preauth_list(&init_opts, &preauth, 1);
ret = krb5_get_init_creds_keytab(context, &creds, client, keytab, 0, NULL, &init_opts);
if(ret) krb5_err(context, 1, ret, "krb5_get_init_creds");
ret = krb5_kt_close(context, keytab);
if(ret) krb5_err(context, 1, ret, "krb5_kt_close");
ret = krb5_cc_gen_new(context, &krb5_mcc_ops, cache);
if(ret) krb5_err(context, 1, ret, "krb5_cc_gen_new");
ret = krb5_cc_initialize(context, *cache, client);
if(ret) krb5_err(context, 1, ret, "krb5_cc_initialize");
ret = krb5_cc_store_cred(context, *cache, &creds);
if(ret) krb5_err(context, 1, ret, "krb5_cc_store_cred");
}
enum hprop_source {
HPROP_HEIMDAL = 1,
HPROP_KRB4_DB,
HPROP_KRB4_DUMP,
HPROP_KASERVER,
HPROP_MIT_DUMP
};
#define IS_TYPE_V4(X) ((X) == HPROP_KRB4_DB || (X) == HPROP_KRB4_DUMP || (X) == HPROP_KASERVER)
struct {
int type;
const char *name;
} types[] = {
{ HPROP_HEIMDAL, "heimdal" },
{ HPROP_KRB4_DUMP, "krb4-dump" },
#ifdef KRB4
{ HPROP_KRB4_DB, "krb4-db" },
#ifdef KASERVER_DB
{ HPROP_KASERVER, "kaserver" },
#endif
#endif
{ HPROP_MIT_DUMP, "mit-dump" }
};
static int
parse_source_type(const char *s)
{
int i;
for(i = 0; i < sizeof(types) / sizeof(types[0]); i++) {
if(strstr(types[i].name, s) == types[i].name)
return types[i].type;
}
return 0;
}
static void
iterate (krb5_context context,
const char *database,
const char *afs_cell,
HDB *db,
int type,
struct prop_data *pd)
{
int ret;
switch(type) {
case HPROP_KRB4_DUMP:
ret = v4_prop_dump(pd, database);
break;
#ifdef KRB4
case HPROP_KRB4_DB:
ret = kerb_db_iterate ((k_iter_proc_t)kdb_prop, pd);
if(ret)
krb5_errx(context, 1, "kerb_db_iterate: %s",
krb_get_err_text(ret));
break;
#ifdef KASERVER_DB
case HPROP_KASERVER:
ret = ka_dump(pd, database, afs_cell);
if(ret)
krb5_errx(context, 1, "ka_dump: %s", krb_get_err_text(ret));
break;
#endif
#endif /* KRB4 */
case HPROP_MIT_DUMP:
ret = mit_prop_dump(pd, database);
if (ret)
krb5_errx(context, 1, "mit_prop_dump: %s",
krb5_get_err_text(context, ret));
break;
case HPROP_HEIMDAL:
ret = hdb_foreach(context, db, HDB_F_DECRYPT, v5_prop, pd);
if(ret)
krb5_err(context, 1, ret, "hdb_foreach");
break;
}
}
static int
dump_database (krb5_context context, int type,
const char *database, const char *afs_cell,
HDB *db)
{
krb5_error_code ret;
struct prop_data pd;
krb5_data data;
pd.context = context;
pd.auth_context = NULL;
pd.sock = STDOUT_FILENO;
iterate (context, database, afs_cell, db, type, &pd);
krb5_data_zero (&data);
ret = krb5_write_message (context, &pd.sock, &data);
if (ret)
krb5_err(context, 1, ret, "krb5_write_message");
return 0;
}
static int
propagate_database (krb5_context context, int type,
const char *database, const char *afs_cell,
HDB *db, krb5_ccache ccache,
int optind, int argc, char **argv)
{
krb5_principal server;
krb5_error_code ret;
int i;
for(i = optind; i < argc; i++){
krb5_auth_context auth_context;
int fd;
struct prop_data pd;
krb5_data data;
char *port, portstr[NI_MAXSERV];
port = strchr(argv[i], ':');
if(port == NULL) {
snprintf(portstr, sizeof(portstr), "%u",
ntohs(krb5_getportbyname (context, "hprop", "tcp",
HPROP_PORT)));
port = portstr;
} else
*port++ = '\0';
fd = open_socket(context, argv[i], port);
if(fd < 0) {
krb5_warn (context, errno, "connect %s", argv[i]);
continue;
}
ret = krb5_sname_to_principal(context, argv[i],
HPROP_NAME, KRB5_NT_SRV_HST, &server);
if(ret) {
krb5_warn(context, ret, "krb5_sname_to_principal(%s)", argv[i]);
close(fd);
continue;
}
if (local_realm) {
krb5_realm my_realm;
krb5_get_default_realm(context,&my_realm);
krb5_princ_set_realm(context,server,&my_realm);
}
auth_context = NULL;
ret = krb5_sendauth(context,
&auth_context,
&fd,
HPROP_VERSION,
NULL,
server,
AP_OPTS_MUTUAL_REQUIRED,
NULL, /* in_data */
NULL, /* in_creds */
ccache,
NULL,
NULL,
NULL);
if(ret) {
krb5_warn(context, ret, "krb5_sendauth");
close(fd);
continue;
}
pd.context = context;
pd.auth_context = auth_context;
pd.sock = fd;
iterate (context, database, afs_cell, db, type, &pd);
krb5_data_zero (&data);
ret = krb5_write_priv_message(context, auth_context, &fd, &data);
if(ret)
krb5_warn(context, ret, "krb5_write_priv_message");
ret = krb5_read_priv_message(context, auth_context, &fd, &data);
if(ret)
krb5_warn(context, ret, "krb5_read_priv_message");
else
krb5_data_free (&data);
krb5_auth_con_free(context, auth_context);
close(fd);
}
return 0;
}
#ifdef KRB4
static void
v4_get_masterkey (krb5_context context, char *database)
{
int e;
e = kerb_db_set_name (database);
if(e)
krb5_errx(context, 1, "kerb_db_set_name: %s",
krb_get_err_text(e));
e = kdb_get_master_key(0, &mkey4, msched4);
if(e)
krb5_errx(context, 1, "kdb_get_master_key: %s",
krb_get_err_text(e));
e = kdb_verify_master_key(&mkey4, msched4, NULL);
if (e < 0)
krb5_errx(context, 1, "kdb_verify_master_key failed");
}
#endif
int
main(int argc, char **argv)
{
krb5_error_code ret;
krb5_context context;
krb5_ccache ccache;
HDB *db;
int optind = 0;
int type = 0;
set_progname(argv[0]);
if(getarg(args, num_args, argc, argv, &optind))
usage(1);
if(help_flag)
usage(0);
if(version_flag){
print_version(NULL);
exit(0);
}
ret = krb5_init_context(&context);
if(ret)
exit(1);
if(local_realm)
krb5_set_default_realm(context, local_realm);
if(encrypt_flag && decrypt_flag)
krb5_errx(context, 1,
"only one of `--encrypt' and `--decrypt' is meaningful");
#ifdef KRB4
if(v4_db) {
if(type != 0)
krb5_errx(context, 1, "more than one database type specified");
type = HPROP_KRB4_DB;
}
#ifdef KASERVER_DB
if(ka_db) {
if(type != 0)
krb5_errx(context, 1, "more than one database type specified");
type = HPROP_KASERVER;
}
#endif
#endif
if(source_type != NULL) {
if(type != 0)
krb5_errx(context, 1, "more than one database type specified");
type = parse_source_type(source_type);
if(type == 0)
krb5_errx(context, 1, "unknown source type `%s'", source_type);
} else if(type == 0)
type = HPROP_HEIMDAL;
if(!to_stdout)
get_creds(context, &ccache);
if(decrypt_flag || encrypt_flag) {
ret = hdb_read_master_key(context, mkeyfile, &mkey5);
if(ret && ret != ENOENT)
krb5_err(context, 1, ret, "hdb_read_master_key");
if(ret)
krb5_errx(context, 1, "No master key file found");
}
#ifdef KRB4
if (IS_TYPE_V4(type)) {
int e;
if (realm == NULL) {
e = krb_get_lrealm(realm_buf, 1);
if(e)
krb5_errx(context, 1, "krb_get_lrealm: %s",
krb_get_err_text(e));
realm = realm_buf;
}
}
#endif
switch(type) {
#ifdef KRB4
case HPROP_KRB4_DB:
if (database == NULL)
krb5_errx(context, 1, "no database specified");
v4_get_masterkey (context, database);
break;
#ifdef KASERVER_DB
case HPROP_KASERVER:
if (database == NULL)
database = DEFAULT_DATABASE;
ka_use_null_salt = krb5_config_get_bool_default(context, NULL, FALSE,
"hprop",
"afs_uses_null_salt",
NULL);
break;
#endif
#endif /* KRB4 */
case HPROP_KRB4_DUMP:
if (database == NULL)
krb5_errx(context, 1, "no dump file specified");
#ifdef KRB4
v4_get_masterkey (context, database);
#endif
break;
case HPROP_MIT_DUMP:
if (database == NULL)
krb5_errx(context, 1, "no dump file specified");
break;
case HPROP_HEIMDAL:
ret = hdb_create (context, &db, database);
if(ret)
krb5_err(context, 1, ret, "hdb_create: %s", database);
ret = db->open(context, db, O_RDONLY, 0);
if(ret)
krb5_err(context, 1, ret, "db->open");
break;
default:
krb5_errx(context, 1, "unknown dump type `%d'", type);
break;
}
if (to_stdout)
dump_database (context, type, database, afs_cell, db);
else
propagate_database (context, type, database, afs_cell,
db, ccache, optind, argc, argv);
return 0;
}
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