static kadm5_ret_t
find_db_spec(kadm5_server_context *ctx)
{
krb5_context context = ctx->context;
struct hdb_dbinfo *info, *d;
krb5_error_code ret;
if (ctx->config.realm) {
/* fetch the databases */
ret = hdb_get_dbinfo(context, &info);
if (ret)
return ret;
d = NULL;
while ((d = hdb_dbinfo_get_next(info, d)) != NULL) {
const char *p = hdb_dbinfo_get_realm(context, d);
/* match default (realm-less) */
if(p != NULL && strcmp(ctx->config.realm, p) != 0)
continue;
p = hdb_dbinfo_get_dbname(context, d);
if (p)
ctx->config.dbname = strdup(p);
p = hdb_dbinfo_get_acl_file(context, d);
if (p)
ctx->config.acl_file = strdup(p);
p = hdb_dbinfo_get_mkey_file(context, d);
if (p)
ctx->config.stash_file = strdup(p);
p = hdb_dbinfo_get_log_file(context, d);
if (p)
ctx->log_context.log_file = strdup(p);
break;
}
hdb_free_dbinfo(context, &info);
}
/* If any of the values was unset, pick up the default value */
if (ctx->config.dbname == NULL)
ctx->config.dbname = strdup(hdb_default_db(context));
if (ctx->config.acl_file == NULL)
asprintf(&ctx->config.acl_file, "%s/kadmind.acl", hdb_db_dir(context));
if (ctx->config.stash_file == NULL)
asprintf(&ctx->config.stash_file, "%s/m-key", hdb_db_dir(context));
if (ctx->log_context.log_file == NULL)
asprintf(&ctx->log_context.log_file, "%s/log", hdb_db_dir(context));
#ifndef NO_UNIX_SOCKETS
set_socket_name(context, &ctx->log_context.socket_name);
#else
set_socket_info(context, &ctx->log_context.socket_info);
#endif
return 0;
}
static int
check_acl (krb5_context context, const char *name)
{
const char *fn;
FILE *fp;
char buf[256];
int ret = 1;
char *slavefile = NULL;
if (asprintf(&slavefile, "%s/slaves", hdb_db_dir(context)) == -1
|| slavefile == NULL)
errx(1, "out of memory");
fn = krb5_config_get_string_default(context,
NULL,
slavefile,
"kdc",
"iprop-acl",
NULL);
fp = fopen (fn, "r");
free(slavefile);
if (fp == NULL)
return 1;
while (fgets(buf, sizeof(buf), fp) != NULL) {
buf[strcspn(buf, "\r\n")] = '\0';
if (strcmp (buf, name) == 0) {
ret = 0;
break;
}
}
fclose (fp);
return ret;
}
static void
setup_context(krb5_context ctx)
{
krb5_log_facility *logfacility;
krb5_error_code ret;
char **files;
if (config_file == NULL) {
asprintf(&config_file, "%s/kdc.conf", hdb_db_dir(ctx));
if (config_file == NULL)
errx(1, "out of memory");
}
ret = krb5_prepend_config_files_default(config_file, &files);
if (ret)
krb5_err(ctx, 1, ret, "getting configuration files");
ret = krb5_set_config_files(ctx, files);
krb5_free_config_files(files);
if(ret)
krb5_err(ctx, 1, ret, "reading configuration files");
ret = krb5_openlog(ctx, "kadmind", &logfacility);
if (ret)
krb5_err(ctx, 1, ret, "krb5_openlog");
ret = krb5_set_warn_dest(ctx, logfacility);
if (ret)
krb5_err(ctx, 1, ret, "krb5_set_warn_dest");
ret = krb5_kt_register(ctx, &hdb_kt_ops);
if(ret)
krb5_err(ctx, 1, ret, "krb5_kt_register");
}
static FILE *
open_stats(krb5_context context)
{
char *statfile = NULL;
const char *fn = NULL;
FILE *out = NULL;
/*
* krb5_config_get_string_default() returs default value as-is,
* delay free() of "statfile" until we're done with "fn".
*/
if (slave_stats_file)
fn = slave_stats_file;
else if (asprintf(&statfile, "%s/slaves-stats", hdb_db_dir(context)) != -1
&& statfile != NULL)
fn = krb5_config_get_string_default(context,
NULL,
statfile,
"kdc",
"iprop-stats",
NULL);
if (fn != NULL)
out = fopen(fn, "w");
if (statfile != NULL)
free(statfile);
return out;
}
static FILE *
open_stats(krb5_context context)
{
char *statfile = NULL;
const char *fn;
int ret;
if (slave_stats_file)
fn = slave_stats_file;
else {
ret = asprintf(&statfile, "%s/slaves-stats", hdb_db_dir(context));
if (ret == -1)
return NULL;
fn = krb5_config_get_string_default(context,
NULL,
statfile,
"kdc",
"iprop-stats",
NULL);
free(statfile);
}
if (fn == NULL)
return NULL;
return fopen(fn, "w");
}
const char *
kadm5_log_signal_socket(krb5_context context)
{
HEIMDAL_MUTEX_lock(&signal_mutex);
if (!default_signal)
asprintf(&default_signal, "%s/signal", hdb_db_dir(context));
HEIMDAL_MUTEX_unlock(&signal_mutex);
return krb5_config_get_string_default(context,
NULL,
default_signal,
"kdc",
"signal_socket",
NULL);
}
static kadm5_server_context *
get_kadmin_context(const char *config_file, char *realm)
{
kadm5_config_params conf;
krb5_error_code ret;
void *kadm_handle;
char **files;
int aret;
if (config_file == NULL) {
char *file;
aret = asprintf(&file, "%s/kdc.conf", hdb_db_dir(context));
if (aret == -1 || file == NULL)
errx(1, "out of memory");
config_file = file;
}
ret = krb5_prepend_config_files_default(config_file, &files);
if (ret)
krb5_err(context, 1, ret, "getting configuration files");
ret = krb5_set_config_files(context, files);
krb5_free_config_files(files);
if (ret)
krb5_err(context, 1, ret, "reading configuration files");
memset(&conf, 0, sizeof(conf));
if(realm) {
conf.mask |= KADM5_CONFIG_REALM;
conf.realm = realm;
}
ret = kadm5_init_with_password_ctx (context,
KADM5_ADMIN_SERVICE,
NULL,
KADM5_ADMIN_SERVICE,
&conf, 0, 0,
&kadm_handle);
if (ret)
krb5_err (context, 1, ret, "kadm5_init_with_password_ctx");
return (kadm5_server_context *)kadm_handle;
}
static void
init_stats_names(krb5_context context)
{
const char *fn = NULL;
char *buf = NULL;
if (slave_stats_file)
fn = slave_stats_file;
else if ((fn = krb5_config_get_string(context, NULL, "kdc",
"iprop-stats", NULL)) == NULL) {
if (asprintf(&buf, "%s/slaves-stats", hdb_db_dir(context)) != -1
&& buf != NULL)
fn = buf;
buf = NULL;
}
if (fn != NULL) {
slave_stats_file = fn;
if (asprintf(&buf, "%s.tmp", fn) != -1 && buf != NULL)
slave_stats_temp_file = buf;
}
}
void
kdc_openlog(krb5_context context,
krb5_kdc_configuration *config)
{
char **s = NULL, **p;
krb5_initlog(context, "kdc", &config->logf);
s = krb5_config_get_strings(context, NULL, "kdc", "logging", NULL);
if(s == NULL)
s = krb5_config_get_strings(context, NULL, "logging", "kdc", NULL);
if(s){
for(p = s; *p; p++)
krb5_addlog_dest(context, config->logf, *p);
krb5_config_free_strings(s);
}else {
char *s;
asprintf(&s, "0-1/FILE:%s/%s", hdb_db_dir(context), KDC_LOG_FILE);
krb5_addlog_dest(context, config->logf, s);
free(s);
}
krb5_set_warn_dest(context, config->logf);
}
int
main(int argc, char **argv)
{
krb5_error_code ret;
char **files;
kadm5_config_params conf;
int optidx = 0;
int exit_status = 0;
setprogname(argv[0]);
ret = krb5_init_context(&context);
if (ret)
errx (1, "krb5_init_context failed: %d", ret);
if(getarg(args, num_args, argc, argv, &optidx))
usage(1);
if (help_flag)
usage (0);
if (version_flag) {
print_version(NULL);
exit(0);
}
argc -= optidx;
argv += optidx;
if (config_file == NULL) {
asprintf(&config_file, "%s/kdc.conf", hdb_db_dir(context));
if (config_file == NULL)
errx(1, "out of memory");
}
ret = krb5_prepend_config_files_default(config_file, &files);
if (ret)
krb5_err(context, 1, ret, "getting configuration files");
ret = krb5_set_config_files(context, files);
krb5_free_config_files(files);
if(ret)
krb5_err(context, 1, ret, "reading configuration files");
memset(&conf, 0, sizeof(conf));
if(realm) {
krb5_set_default_realm(context, realm); /* XXX should be fixed
some other way */
conf.realm = realm;
conf.mask |= KADM5_CONFIG_REALM;
}
if (admin_server) {
conf.admin_server = admin_server;
conf.mask |= KADM5_CONFIG_ADMIN_SERVER;
}
if (server_port) {
conf.kadmind_port = htons(server_port);
conf.mask |= KADM5_CONFIG_KADMIND_PORT;
}
if (keyfile) {
conf.stash_file = keyfile;
conf.mask |= KADM5_CONFIG_STASH_FILE;
}
if(local_flag) {
int i;
kadm5_setup_passwd_quality_check (context,
check_library, check_function);
for (i = 0; i < policy_libraries.num_strings; i++) {
ret = kadm5_add_passwd_quality_verifier(context,
policy_libraries.strings[i]);
if (ret)
krb5_err(context, 1, ret, "kadm5_add_passwd_quality_verifier");
}
ret = kadm5_add_passwd_quality_verifier(context, NULL);
if (ret)
krb5_err(context, 1, ret, "kadm5_add_passwd_quality_verifier");
ret = kadm5_s_init_with_password_ctx(context,
KADM5_ADMIN_SERVICE,
NULL,
KADM5_ADMIN_SERVICE,
&conf, 0, 0,
&kadm_handle);
} else if (mit_flag) {
ret = kadm5_mit_init_with_password_ctx(context,
client_name,
NULL,
&conf, 0, 0,
&kadm_handle);
} else if (ad_flag) {
if (client_name == NULL)
krb5_errx(context, 1, "keytab mode require principal name");
ret = kadm5_ad_init_with_password_ctx(context,
client_name,
NULL,
KADM5_ADMIN_SERVICE,
&conf, 0, 0,
&kadm_handle);
} else if (keytab) {
if (client_name == NULL)
krb5_errx(context, 1, "keytab mode require principal name");
ret = kadm5_c_init_with_skey_ctx(context,
client_name,
keytab,
KADM5_ADMIN_SERVICE,
&conf, 0, 0,
&kadm_handle);
} else
ret = kadm5_c_init_with_password_ctx(context,
client_name,
NULL,
KADM5_ADMIN_SERVICE,
&conf, 0, 0,
&kadm_handle);
if(ret)
krb5_err(context, 1, ret, "kadm5_init_with_password");
signal(SIGINT, SIG_IGN); /* ignore signals for now, the sl command
parser will handle SIGINT its own way;
we should really take care of this in
each function, f.i `get' might be
interruptable, but not `create' */
if (argc != 0) {
ret = sl_command (commands, argc, argv);
if(ret == -1)
krb5_warnx (context, "unrecognized command: %s", argv[0]);
else if (ret == -2)
ret = 0;
if(ret != 0)
exit_status = 1;
} else {
while(!exit_seen) {
ret = sl_command_loop(commands, "kadmin> ", NULL);
if (ret == -2)
exit_seen = 1;
else if (ret != 0)
exit_status = 1;
}
}
kadm5_destroy(kadm_handle);
krb5_free_context(context);
return exit_status;
}
krb5_error_code
krb5_kdc_pk_initialize(krb5_context context,
krb5_kdc_configuration *config,
const char *user_id,
const char *anchors,
char **pool,
char **revoke_list)
{
const char *file;
char *fn = NULL;
krb5_error_code ret;
file = krb5_config_get_string(context, NULL,
"libdefaults", "moduli", NULL);
ret = _krb5_parse_moduli(context, file, &moduli);
if (ret)
krb5_err(context, 1, ret, "PKINIT: failed to load modidi file");
principal_mappings.len = 0;
principal_mappings.val = NULL;
ret = _krb5_pk_load_id(context,
&kdc_identity,
user_id,
anchors,
pool,
revoke_list,
NULL,
NULL,
NULL);
if (ret) {
krb5_warn(context, ret, "PKINIT: ");
config->enable_pkinit = 0;
return ret;
}
{
hx509_query *q;
hx509_cert cert;
ret = hx509_query_alloc(context->hx509ctx, &q);
if (ret) {
krb5_warnx(context, "PKINIT: out of memory");
return ENOMEM;
}
hx509_query_match_option(q, HX509_QUERY_OPTION_PRIVATE_KEY);
if (config->pkinit_kdc_friendly_name)
hx509_query_match_friendly_name(q, config->pkinit_kdc_friendly_name);
ret = hx509_certs_find(context->hx509ctx,
kdc_identity->certs,
q,
&cert);
hx509_query_free(context->hx509ctx, q);
if (ret == 0) {
if (hx509_cert_check_eku(context->hx509ctx, cert,
&asn1_oid_id_pkkdcekuoid, 0)) {
hx509_name name;
char *str;
ret = hx509_cert_get_subject(cert, &name);
if (ret == 0) {
hx509_name_to_string(name, &str);
krb5_warnx(context, "WARNING Found KDC certificate (%s)"
"is missing the PK-INIT KDC EKU, this is bad for "
"interoperability.", str);
hx509_name_free(&name);
free(str);
}
}
hx509_cert_free(cert);
} else
krb5_warnx(context, "PKINIT: failed to find a signing "
"certifiate with a public key");
}
if (krb5_config_get_bool_default(context,
NULL,
FALSE,
"kdc",
"pkinit_allow_proxy_certificate",
NULL))
config->pkinit_allow_proxy_certs = 1;
file = krb5_config_get_string(context,
NULL,
"kdc",
"pkinit_mappings_file",
NULL);
if (file == NULL) {
int aret;
aret = asprintf(&fn, "%s/pki-mapping", hdb_db_dir(context));
if (aret == -1) {
krb5_warnx(context, "PKINIT: out of memory");
return ENOMEM;
}
file = fn;
}
load_mappings(context, file);
if (fn)
free(fn);
return 0;
}
static int
send_complete (krb5_context context, slave *s, const char *database,
uint32_t current_version, uint32_t oldest_version,
uint32_t initial_log_tstamp)
{
krb5_error_code ret;
krb5_storage *dump = NULL;
uint32_t vno = 0;
krb5_data data;
int fd = -1;
struct stat st;
char *dfn;
ret = asprintf(&dfn, "%s/ipropd.dumpfile", hdb_db_dir(context));
if (ret == -1 || !dfn) {
krb5_warn(context, ENOMEM, "Cannot allocate memory");
return ENOMEM;
}
fd = open(dfn, O_CREAT|O_RDWR, 0600);
if (fd == -1) {
ret = errno;
krb5_warn(context, ret, "Cannot open/create iprop dumpfile %s", dfn);
free(dfn);
return ret;
}
free(dfn);
dump = krb5_storage_from_fd(fd);
if (!dump) {
ret = errno;
krb5_warn(context, ret, "krb5_storage_from_fd");
goto done;
}
for (;;) {
ret = flock(fd, LOCK_SH);
if (ret == -1) {
ret = errno;
krb5_warn(context, ret, "flock(fd, LOCK_SH)");
goto done;
}
if (krb5_storage_seek(dump, 0, SEEK_SET) == (off_t)-1) {
ret = errno;
krb5_warn(context, ret, "krb5_storage_seek(dump, 0, SEEK_SET)");
goto done;
}
vno = 0;
ret = krb5_ret_uint32(dump, &vno);
if (ret && ret != HEIM_ERR_EOF) {
krb5_warn(context, ret, "krb5_ret_uint32(dump, &vno)");
goto done;
}
if (fstat(fd, &st) == -1) {
ret = errno;
krb5_warn(context, ret, "send_complete: could not stat dump file");
goto done;
}
/*
* If the current dump has an appropriate version, then we can
* break out of the loop and send the file below.
*/
if (ret == 0 && vno != 0 && st.st_mtime > initial_log_tstamp &&
vno >= oldest_version && vno <= current_version)
break;
if (verbose)
krb5_warnx(context, "send_complete: dumping HDB");
/*
* Otherwise, we may need to write a new dump file. We
* obtain an exclusive lock on the fd. Because this is
* not guaranteed to be an upgrade of our existing shared
* lock, someone else may have written a new dumpfile while
* we were waiting and so we must first check the vno of
* the dump to see if that happened. If it did, we need
* to go back to the top of the loop so that we can downgrade
* our lock to a shared one.
*/
ret = flock(fd, LOCK_EX);
if (ret == -1) {
ret = errno;
krb5_warn(context, ret, "flock(fd, LOCK_EX)");
goto done;
}
ret = krb5_storage_seek(dump, 0, SEEK_SET);
if (ret == -1) {
ret = errno;
krb5_warn(context, ret, "krb5_storage_seek(dump, 0, SEEK_SET)");
goto done;
}
vno = 0;
ret = krb5_ret_uint32(dump, &vno);
if (ret && ret != HEIM_ERR_EOF) {
krb5_warn(context, ret, "krb5_ret_uint32(dump, &vno)");
goto done;
}
if (fstat(fd, &st) == -1) {
ret = errno;
krb5_warn(context, ret, "send_complete: could not stat dump file");
goto done;
}
/* check if someone wrote a better version for us */
if (ret == 0 && vno != 0 && st.st_mtime > initial_log_tstamp &&
vno >= oldest_version && vno <= current_version)
continue;
/* Now, we know that we must write a new dump file. */
ret = write_dump(context, dump, database, current_version);
if (ret)
goto done;
/*
* And we must continue to the top of the loop so that we can
* downgrade to a shared lock.
*/
}
/*
* Leaving the above loop, dump should have a ptr right after the initial
* 4 byte DB version number and we should have a shared lock on the file
* (which we may have just created), so we are reading to simply blast
* the data down the wire.
*/
for (;;) {
ret = krb5_ret_data(dump, &data);
if (ret == HEIM_ERR_EOF) {
ret = 0; /* EOF is not an error, it's success */
goto done;
}
if (ret) {
krb5_warn(context, ret, "krb5_ret_data(dump, &data)");
slave_dead(context, s);
goto done;
}
ret = krb5_write_priv_message(context, s->ac, &s->fd, &data);
krb5_data_free(&data);
if (ret) {
krb5_warn (context, ret, "krb5_write_priv_message");
slave_dead(context, s);
goto done;
}
}
done:
if (!ret) {
s->version = vno;
slave_seen(s);
}
if (fd != -1)
close(fd);
if (dump)
krb5_storage_free(dump);
return ret;
}
int
main(int argc, char **argv)
{
krb5_error_code ret;
krb5_context context;
void *kadm_handle;
kadm5_server_context *server_context;
kadm5_config_params conf;
krb5_socket_t signal_fd, listen_fd;
int log_fd;
slave *slaves = NULL;
uint32_t current_version = 0, old_version = 0;
uint32_t current_tstamp = 0;
krb5_keytab keytab;
char **files;
int aret;
int optidx = 0;
int restarter_fd = -1;
struct stat st;
setprogname(argv[0]);
if (getarg(args, num_args, argc, argv, &optidx))
krb5_std_usage(1, args, num_args);
if (help_flag)
krb5_std_usage(0, args, num_args);
if (version_flag) {
print_version(NULL);
exit(0);
}
if (detach_from_console && daemon_child == -1)
roken_detach_prep(argc, argv, "--daemon-child");
rk_pidfile(NULL);
ret = krb5_init_context(&context);
if (ret)
errx(1, "krb5_init_context failed: %d", ret);
setup_signal();
if (config_file == NULL) {
aret = asprintf(&config_file, "%s/kdc.conf", hdb_db_dir(context));
if (aret == -1 || config_file == NULL)
errx(1, "out of memory");
}
ret = krb5_prepend_config_files_default(config_file, &files);
if (ret)
krb5_err(context, 1, ret, "getting configuration files");
ret = krb5_set_config_files(context, files);
krb5_free_config_files(files);
if (ret)
krb5_err(context, 1, ret, "reading configuration files");
time_before_gone = parse_time (slave_time_gone, "s");
if (time_before_gone < 0)
krb5_errx (context, 1, "couldn't parse time: %s", slave_time_gone);
time_before_missing = parse_time (slave_time_missing, "s");
if (time_before_missing < 0)
krb5_errx (context, 1, "couldn't parse time: %s", slave_time_missing);
krb5_openlog(context, "ipropd-master", &log_facility);
krb5_set_warn_dest(context, log_facility);
ret = krb5_kt_register(context, &hdb_get_kt_ops);
if(ret)
krb5_err(context, 1, ret, "krb5_kt_register");
ret = krb5_kt_resolve(context, keytab_str, &keytab);
if(ret)
krb5_err(context, 1, ret, "krb5_kt_resolve: %s", keytab_str);
memset(&conf, 0, sizeof(conf));
if(realm) {
conf.mask |= KADM5_CONFIG_REALM;
conf.realm = realm;
}
ret = kadm5_init_with_skey_ctx (context,
KADM5_ADMIN_SERVICE,
NULL,
KADM5_ADMIN_SERVICE,
&conf, 0, 0,
&kadm_handle);
if (ret)
krb5_err (context, 1, ret, "kadm5_init_with_password_ctx");
server_context = (kadm5_server_context *)kadm_handle;
log_fd = open (server_context->log_context.log_file, O_RDONLY, 0);
if (log_fd < 0)
krb5_err (context, 1, errno, "open %s",
server_context->log_context.log_file);
if (fstat(log_fd, &st) == -1)
krb5_err(context, 1, errno, "stat %s",
server_context->log_context.log_file);
if (flock(log_fd, LOCK_SH) == -1)
krb5_err(context, 1, errno, "shared flock %s",
server_context->log_context.log_file);
kadm5_log_get_version_fd(server_context, log_fd, LOG_VERSION_LAST,
¤t_version, ¤t_tstamp);
flock(log_fd, LOCK_UN);
signal_fd = make_signal_socket (context);
listen_fd = make_listen_socket (context, port_str);
krb5_warnx(context, "ipropd-master started at version: %lu",
(unsigned long)current_version);
roken_detach_finish(NULL, daemon_child);
restarter_fd = restarter(context, NULL);
while (exit_flag == 0){
slave *p;
fd_set readset;
int max_fd = 0;
struct timeval to = {30, 0};
uint32_t vers;
struct stat st2;;
#ifndef NO_LIMIT_FD_SETSIZE
if (signal_fd >= FD_SETSIZE || listen_fd >= FD_SETSIZE ||
restarter_fd >= FD_SETSIZE)
krb5_errx (context, IPROPD_RESTART, "fd too large");
#endif
FD_ZERO(&readset);
FD_SET(signal_fd, &readset);
max_fd = max(max_fd, signal_fd);
FD_SET(listen_fd, &readset);
max_fd = max(max_fd, listen_fd);
if (restarter_fd > -1) {
FD_SET(restarter_fd, &readset);
max_fd = max(max_fd, restarter_fd);
}
for (p = slaves; p != NULL; p = p->next) {
if (p->flags & SLAVE_F_DEAD)
continue;
FD_SET(p->fd, &readset);
max_fd = max(max_fd, p->fd);
}
ret = select (max_fd + 1,
&readset, NULL, NULL, &to);
if (ret < 0) {
if (errno == EINTR)
continue;
else
krb5_err (context, IPROPD_RESTART, errno, "select");
}
if (stat(server_context->log_context.log_file, &st2) == -1) {
krb5_warn(context, errno, "could not stat log file by path");
st2 = st;
}
if (st2.st_dev != st.st_dev || st2.st_ino != st.st_ino) {
(void) close(log_fd);
log_fd = open(server_context->log_context.log_file, O_RDONLY, 0);
if (log_fd < 0)
krb5_err(context, 1, IPROPD_RESTART_SLOW, "open %s",
server_context->log_context.log_file);
if (fstat(log_fd, &st) == -1)
krb5_err(context, IPROPD_RESTART_SLOW, errno, "stat %s",
server_context->log_context.log_file);
if (flock(log_fd, LOCK_SH) == -1)
krb5_err(context, IPROPD_RESTART, errno, "shared flock %s",
server_context->log_context.log_file);
kadm5_log_get_version_fd(server_context, log_fd, LOG_VERSION_LAST,
¤t_version, ¤t_tstamp);
flock(log_fd, LOCK_UN);
}
if (ret == 0) {
/* Recover from failed transactions */
if (kadm5_log_init_nb(server_context) == 0)
kadm5_log_end(server_context);
if (flock(log_fd, LOCK_SH) == -1)
krb5_err(context, IPROPD_RESTART, errno,
"could not lock log file");
kadm5_log_get_version_fd(server_context, log_fd, LOG_VERSION_LAST,
¤t_version, ¤t_tstamp);
flock(log_fd, LOCK_UN);
if (current_version > old_version) {
krb5_warnx(context,
"Missed a signal, updating slaves %lu to %lu",
(unsigned long)old_version,
(unsigned long)current_version);
for (p = slaves; p != NULL; p = p->next) {
if (p->flags & SLAVE_F_DEAD)
continue;
send_diffs (server_context, p, log_fd, database,
current_version, current_tstamp);
}
old_version = current_version;
}
}
if (ret && FD_ISSET(restarter_fd, &readset)) {
exit_flag = SIGTERM;
break;
}
if (ret && FD_ISSET(signal_fd, &readset)) {
#ifndef NO_UNIX_SOCKETS
struct sockaddr_un peer_addr;
#else
struct sockaddr_storage peer_addr;
#endif
socklen_t peer_len = sizeof(peer_addr);
if(recvfrom(signal_fd, (void *)&vers, sizeof(vers), 0,
(struct sockaddr *)&peer_addr, &peer_len) < 0) {
krb5_warn (context, errno, "recvfrom");
continue;
}
--ret;
assert(ret >= 0);
old_version = current_version;
if (flock(log_fd, LOCK_SH) == -1)
krb5_err(context, IPROPD_RESTART, errno, "shared flock %s",
server_context->log_context.log_file);
kadm5_log_get_version_fd(server_context, log_fd, LOG_VERSION_LAST,
¤t_version, ¤t_tstamp);
flock(log_fd, LOCK_UN);
if (current_version != old_version) {
/*
* If current_version < old_version then the log got
* truncated and we'll end up doing full propagations.
*
* Truncating the log when the current version is
* numerically small can lead to race conditions.
* Ideally we should identify log versions as
* {init_or_trunc_time, vno}, then we could not have any
* such race conditions, but this would either require
* breaking backwards compatibility for the protocol or
* adding new messages to it.
*/
krb5_warnx(context,
"Got a signal, updating slaves %lu to %lu",
(unsigned long)old_version,
(unsigned long)current_version);
for (p = slaves; p != NULL; p = p->next) {
if (p->flags & SLAVE_F_DEAD)
continue;
send_diffs (server_context, p, log_fd, database,
current_version, current_tstamp);
}
} else {
krb5_warnx(context,
"Got a signal, but no update in log version %lu",
(unsigned long)current_version);
}
}
for(p = slaves; p != NULL; p = p->next) {
if (p->flags & SLAVE_F_DEAD)
continue;
if (ret && FD_ISSET(p->fd, &readset)) {
--ret;
assert(ret >= 0);
if(process_msg (server_context, p, log_fd, database,
current_version, current_tstamp))
slave_dead(context, p);
} else if (slave_gone_p (p))
slave_dead(context, p);
else if (slave_missing_p (p))
send_are_you_there (context, p);
}
if (ret && FD_ISSET(listen_fd, &readset)) {
add_slave (context, keytab, &slaves, listen_fd);
--ret;
assert(ret >= 0);
}
write_stats(context, slaves, current_version);
}
if(exit_flag == SIGINT || exit_flag == SIGTERM)
krb5_warnx(context, "%s terminated", getprogname());
#ifdef SIGXCPU
else if(exit_flag == SIGXCPU)
krb5_warnx(context, "%s CPU time limit exceeded", getprogname());
#endif
else
krb5_warnx(context, "%s unexpected exit reason: %ld",
getprogname(), (long)exit_flag);
write_master_down(context);
return 0;
}
int
main(int argc, char **argv)
{
krb5_error_code ret;
krb5_context context;
krb5_auth_context auth_context;
void *kadm_handle;
kadm5_server_context *server_context;
kadm5_config_params conf;
int master_fd;
krb5_ccache ccache;
krb5_principal server;
char **files;
int optidx = 0;
time_t reconnect_min;
time_t backoff;
time_t reconnect_max;
time_t reconnect;
time_t before = 0;
const char *master;
setprogname(argv[0]);
if(getarg(args, num_args, argc, argv, &optidx))
usage(1);
if(help_flag)
usage(0);
if(version_flag) {
print_version(NULL);
exit(0);
}
ret = krb5_init_context(&context);
if (ret)
errx (1, "krb5_init_context failed: %d", ret);
setup_signal();
if (config_file == NULL) {
asprintf(&config_file, "%s/kdc.conf", hdb_db_dir(context));
if (config_file == NULL)
errx(1, "out of memory");
}
ret = krb5_prepend_config_files_default(config_file, &files);
if (ret)
krb5_err(context, 1, ret, "getting configuration files");
ret = krb5_set_config_files(context, files);
krb5_free_config_files(files);
if (ret)
krb5_err(context, 1, ret, "reading configuration files");
argc -= optidx;
argv += optidx;
if (argc != 1)
usage(1);
master = argv[0];
#ifdef SUPPORT_DETACH
if (detach_from_console)
daemon(0, 0);
#endif
pidfile (NULL);
krb5_openlog (context, "ipropd-slave", &log_facility);
krb5_set_warn_dest(context, log_facility);
ret = krb5_kt_register(context, &hdb_kt_ops);
if(ret)
krb5_err(context, 1, ret, "krb5_kt_register");
time_before_lost = parse_time (server_time_lost, "s");
if (time_before_lost < 0)
krb5_errx (context, 1, "couldn't parse time: %s", server_time_lost);
memset(&conf, 0, sizeof(conf));
if(realm) {
conf.mask |= KADM5_CONFIG_REALM;
conf.realm = realm;
}
ret = kadm5_init_with_password_ctx (context,
KADM5_ADMIN_SERVICE,
NULL,
KADM5_ADMIN_SERVICE,
&conf, 0, 0,
&kadm_handle);
if (ret)
krb5_err (context, 1, ret, "kadm5_init_with_password_ctx");
server_context = (kadm5_server_context *)kadm_handle;
ret = kadm5_log_init (server_context);
if (ret)
krb5_err (context, 1, ret, "kadm5_log_init");
get_creds(context, keytab_str, &ccache, master);
ret = krb5_sname_to_principal (context, master, IPROP_NAME,
KRB5_NT_SRV_HST, &server);
if (ret)
krb5_err (context, 1, ret, "krb5_sname_to_principal");
auth_context = NULL;
master_fd = -1;
krb5_appdefault_time(context, config_name, NULL, "reconnect-min",
10, &reconnect_min);
krb5_appdefault_time(context, config_name, NULL, "reconnect-max",
300, &reconnect_max);
krb5_appdefault_time(context, config_name, NULL, "reconnect-backoff",
10, &backoff);
reconnect = reconnect_min;
while (!exit_flag) {
time_t now, elapsed;
int connected = FALSE;
now = time(NULL);
elapsed = now - before;
if (elapsed < reconnect) {
time_t left = reconnect - elapsed;
krb5_warnx(context, "sleeping %d seconds before "
"retrying to connect", (int)left);
sleep(left);
}
before = now;
master_fd = connect_to_master (context, master, port_str);
if (master_fd < 0)
goto retry;
reconnect = reconnect_min;
if (auth_context) {
krb5_auth_con_free(context, auth_context);
auth_context = NULL;
krb5_cc_destroy(context, ccache);
get_creds(context, keytab_str, &ccache, master);
}
ret = krb5_sendauth (context, &auth_context, &master_fd,
IPROP_VERSION, NULL, server,
AP_OPTS_MUTUAL_REQUIRED, NULL, NULL,
ccache, NULL, NULL, NULL);
if (ret) {
krb5_warn (context, ret, "krb5_sendauth");
goto retry;
}
krb5_warnx(context, "ipropd-slave started at version: %ld",
(long)server_context->log_context.version);
ret = ihave (context, auth_context, master_fd,
server_context->log_context.version);
if (ret)
goto retry;
connected = TRUE;
while (connected && !exit_flag) {
krb5_data out;
krb5_storage *sp;
int32_t tmp;
fd_set readset;
struct timeval to;
#ifndef NO_LIMIT_FD_SETSIZE
if (master_fd >= FD_SETSIZE)
krb5_errx (context, 1, "fd too large");
#endif
FD_ZERO(&readset);
FD_SET(master_fd, &readset);
to.tv_sec = time_before_lost;
to.tv_usec = 0;
ret = select (master_fd + 1,
&readset, NULL, NULL, &to);
if (ret < 0) {
if (errno == EINTR)
continue;
else
krb5_err (context, 1, errno, "select");
}
if (ret == 0)
krb5_errx (context, 1, "server didn't send a message "
"in %d seconds", time_before_lost);
ret = krb5_read_priv_message(context, auth_context, &master_fd, &out);
if (ret) {
krb5_warn (context, ret, "krb5_read_priv_message");
connected = FALSE;
continue;
}
sp = krb5_storage_from_mem (out.data, out.length);
krb5_ret_int32 (sp, &tmp);
switch (tmp) {
case FOR_YOU :
receive (context, sp, server_context);
ret = ihave (context, auth_context, master_fd,
server_context->log_context.version);
if (ret)
connected = FALSE;
break;
case TELL_YOU_EVERYTHING :
ret = receive_everything (context, master_fd, server_context,
auth_context);
if (ret)
connected = FALSE;
break;
case ARE_YOU_THERE :
send_im_here (context, master_fd, auth_context);
break;
case NOW_YOU_HAVE :
case I_HAVE :
case ONE_PRINC :
case I_AM_HERE :
default :
krb5_warnx (context, "Ignoring command %d", tmp);
break;
}
krb5_storage_free (sp);
krb5_data_free (&out);
}
retry:
if (connected == FALSE)
krb5_warnx (context, "disconnected for server");
if (exit_flag)
krb5_warnx (context, "got an exit signal");
if (master_fd >= 0)
close(master_fd);
reconnect += backoff;
if (reconnect > reconnect_max)
reconnect = reconnect_max;
}
if (0);
#ifndef NO_SIGXCPU
else if(exit_flag == SIGXCPU)
krb5_warnx(context, "%s CPU time limit exceeded", getprogname());
#endif
else if(exit_flag == SIGINT || exit_flag == SIGTERM)
krb5_warnx(context, "%s terminated", getprogname());
else
krb5_warnx(context, "%s unexpected exit reason: %ld",
getprogname(), (long)exit_flag);
return 0;
}
int
main(int argc, char **argv)
{
char buf[1024];
krb5_error_code ret;
krb5_enctype enctype;
hdb_master_key mkey;
krb5_program_setup(&context, argc, argv, args, num_args, NULL);
if(help_flag)
krb5_std_usage(0, args, num_args);
if(version_flag){
print_version(NULL);
exit(0);
}
if (master_key_fd != -1 && random_key_flag)
krb5_errx(context, 1, "random-key and master-key-fd "
"is mutual exclusive");
if (keyfile == NULL)
asprintf(&keyfile, "%s/m-key", hdb_db_dir(context));
ret = krb5_string_to_enctype(context, enctype_str, &enctype);
if(ret)
krb5_err(context, 1, ret, "krb5_string_to_enctype");
ret = hdb_read_master_key(context, keyfile, &mkey);
if(ret && ret != ENOENT)
krb5_err(context, 1, ret, "reading master key from %s", keyfile);
if (convert_flag) {
if (ret)
krb5_err(context, 1, ret, "reading master key from %s", keyfile);
} else {
krb5_keyblock key;
krb5_salt salt;
salt.salttype = KRB5_PW_SALT;
/* XXX better value? */
salt.saltvalue.data = NULL;
salt.saltvalue.length = 0;
if (random_key_flag) {
ret = krb5_generate_random_keyblock(context, enctype, &key);
if (ret)
krb5_err(context, 1, ret, "krb5_generate_random_keyblock");
} else {
if(master_key_fd != -1) {
ssize_t n;
n = read(master_key_fd, buf, sizeof(buf));
if(n <= 0)
krb5_err(context, 1, errno, "failed to read passphrase");
buf[n] = '\0';
buf[strcspn(buf, "\r\n")] = '\0';
} else {
if(UI_UTIL_read_pw_string(buf, sizeof(buf), "Master key: ", 1))
exit(1);
}
krb5_string_to_key_salt(context, enctype, buf, salt, &key);
}
ret = hdb_add_master_key(context, &key, &mkey);
krb5_free_keyblock_contents(context, &key);
}
{
char *new, *old;
asprintf(&old, "%s.old", keyfile);
asprintf(&new, "%s.new", keyfile);
if(unlink(new) < 0 && errno != ENOENT) {
ret = errno;
goto out;
}
krb5_warnx(context, "writing key to `%s'", keyfile);
ret = hdb_write_master_key(context, new, mkey);
if(ret)
unlink(new);
else {
#ifndef NO_POSIX_LINKS
unlink(old);
if(link(keyfile, old) < 0 && errno != ENOENT) {
ret = errno;
unlink(new);
} else {
#endif
if(rename(new, keyfile) < 0) {
int
main(int argc, char **argv)
{
krb5_error_code ret, ret2;
krb5_context context;
krb5_auth_context auth_context;
void *kadm_handle;
kadm5_server_context *server_context;
kadm5_config_params conf;
int master_fd;
krb5_ccache ccache;
krb5_principal server;
char **files;
int optidx = 0;
time_t reconnect_min;
time_t backoff;
time_t reconnect_max;
time_t reconnect;
time_t before = 0;
int restarter_fd = -1;
const char *master;
setprogname(argv[0]);
if (getarg(args, num_args, argc, argv, &optidx))
usage(1);
if (help_flag)
usage(0);
if (version_flag) {
print_version(NULL);
exit(0);
}
if (detach_from_console && daemon_child == -1)
roken_detach_prep(argc, argv, "--daemon-child");
rk_pidfile(NULL);
ret = krb5_init_context(&context);
if (ret)
errx (1, "krb5_init_context failed: %d", ret);
setup_signal();
if (config_file == NULL) {
if (asprintf(&config_file, "%s/kdc.conf", hdb_db_dir(context)) == -1
|| config_file == NULL)
errx(1, "out of memory");
}
ret = krb5_prepend_config_files_default(config_file, &files);
if (ret)
krb5_err(context, 1, ret, "getting configuration files");
ret = krb5_set_config_files(context, files);
krb5_free_config_files(files);
if (ret)
krb5_err(context, 1, ret, "reading configuration files");
argc -= optidx;
argv += optidx;
if (argc != 1)
usage(1);
master = argv[0];
if (status_file == NULL) {
if (asprintf(&status_file, "%s/ipropd-slave-status", hdb_db_dir(context)) < 0 || status_file == NULL)
krb5_errx(context, 1, "can't allocate status file buffer");
}
krb5_openlog(context, "ipropd-slave", &log_facility);
krb5_set_warn_dest(context, log_facility);
slave_status(context, status_file, "bootstrapping");
ret = krb5_kt_register(context, &hdb_get_kt_ops);
if(ret)
krb5_err(context, 1, ret, "krb5_kt_register");
time_before_lost = parse_time (server_time_lost, "s");
if (time_before_lost < 0)
krb5_errx (context, 1, "couldn't parse time: %s", server_time_lost);
slave_status(context, status_file, "getting credentials from keytab/database");
memset(&conf, 0, sizeof(conf));
if(realm) {
conf.mask |= KADM5_CONFIG_REALM;
conf.realm = realm;
}
ret = kadm5_init_with_password_ctx (context,
KADM5_ADMIN_SERVICE,
NULL,
KADM5_ADMIN_SERVICE,
&conf, 0, 0,
&kadm_handle);
if (ret)
krb5_err (context, 1, ret, "kadm5_init_with_password_ctx");
server_context = (kadm5_server_context *)kadm_handle;
slave_status(context, status_file, "creating log file");
ret = server_context->db->hdb_open(context,
server_context->db,
O_RDWR | O_CREAT, 0600);
if (ret)
krb5_err (context, 1, ret, "db->open");
ret = kadm5_log_init (server_context);
if (ret)
krb5_err (context, 1, ret, "kadm5_log_init");
ret = server_context->db->hdb_close (context, server_context->db);
if (ret)
krb5_err (context, 1, ret, "db->close");
get_creds(context, keytab_str, &ccache, master);
ret = krb5_sname_to_principal (context, master, IPROP_NAME,
KRB5_NT_SRV_HST, &server);
if (ret)
krb5_err (context, 1, ret, "krb5_sname_to_principal");
auth_context = NULL;
master_fd = -1;
krb5_appdefault_time(context, config_name, NULL, "reconnect-min",
10, &reconnect_min);
krb5_appdefault_time(context, config_name, NULL, "reconnect-max",
300, &reconnect_max);
krb5_appdefault_time(context, config_name, NULL, "reconnect-backoff",
10, &backoff);
reconnect = reconnect_min;
slave_status(context, status_file, "ipropd-slave started");
roken_detach_finish(NULL, daemon_child);
restarter_fd = restarter(context, NULL);
while (!exit_flag) {
struct timeval to;
time_t now, elapsed;
fd_set readset;
int connected = FALSE;
#ifndef NO_LIMIT_FD_SETSIZE
if (restarter_fd >= FD_SETSIZE)
krb5_errx(context, IPROPD_RESTART, "fd too large");
#endif
FD_ZERO(&readset);
if (restarter_fd > -1)
FD_SET(restarter_fd, &readset);
now = time(NULL);
elapsed = now - before;
if (elapsed < reconnect) {
time_t left = reconnect - elapsed;
krb5_warnx(context, "sleeping %d seconds before "
"retrying to connect", (int)left);
to.tv_sec = left;
to.tv_usec = 0;
if (select(restarter_fd + 1, &readset, NULL, NULL, &to) == 1) {
exit_flag = SIGTERM;
continue;
}
}
before = now;
slave_status(context, status_file, "connecting to master: %s\n", master);
master_fd = connect_to_master (context, master, port_str);
if (master_fd < 0)
goto retry;
reconnect = reconnect_min;
if (auth_context) {
krb5_auth_con_free(context, auth_context);
auth_context = NULL;
krb5_cc_destroy(context, ccache);
get_creds(context, keytab_str, &ccache, master);
}
if (verbose)
krb5_warnx(context, "authenticating to master");
ret = krb5_sendauth (context, &auth_context, &master_fd,
IPROP_VERSION, NULL, server,
AP_OPTS_MUTUAL_REQUIRED, NULL, NULL,
ccache, NULL, NULL, NULL);
if (ret) {
krb5_warn (context, ret, "krb5_sendauth");
goto retry;
}
krb5_warnx(context, "ipropd-slave started at version: %ld",
(long)server_context->log_context.version);
ret = ihave(context, auth_context, master_fd,
server_context->log_context.version);
if (ret)
goto retry;
connected = TRUE;
if (verbose)
krb5_warnx(context, "connected to master");
slave_status(context, status_file, "connected to master, waiting instructions");
while (connected && !exit_flag) {
krb5_data out;
krb5_storage *sp;
uint32_t tmp;
int max_fd;
#ifndef NO_LIMIT_FD_SETSIZE
if (master_fd >= FD_SETSIZE)
krb5_errx(context, IPROPD_RESTART, "fd too large");
if (restarter_fd >= FD_SETSIZE)
krb5_errx(context, IPROPD_RESTART, "fd too large");
max_fd = max(restarter_fd, master_fd);
#endif
FD_ZERO(&readset);
FD_SET(master_fd, &readset);
if (restarter_fd != -1)
FD_SET(restarter_fd, &readset);
to.tv_sec = time_before_lost;
to.tv_usec = 0;
ret = select (max_fd + 1,
&readset, NULL, NULL, &to);
if (ret < 0) {
if (errno == EINTR)
continue;
else
krb5_err (context, 1, errno, "select");
}
if (ret == 0) {
krb5_warnx(context, "server didn't send a message "
"in %d seconds", time_before_lost);
connected = FALSE;
continue;
}
if (restarter_fd > -1 && FD_ISSET(restarter_fd, &readset)) {
if (verbose)
krb5_warnx(context, "slave restarter exited");
exit_flag = SIGTERM;
}
if (!FD_ISSET(master_fd, &readset))
continue;
if (verbose)
krb5_warnx(context, "message from master");
ret = krb5_read_priv_message(context, auth_context, &master_fd, &out);
if (ret) {
krb5_warn(context, ret, "krb5_read_priv_message");
connected = FALSE;
continue;
}
sp = krb5_storage_from_mem (out.data, out.length);
if (sp == NULL)
krb5_err(context, IPROPD_RESTART, errno, "krb5_storage_from_mem");
ret = krb5_ret_uint32(sp, &tmp);
if (ret == HEIM_ERR_EOF) {
krb5_warn(context, ret, "master sent zero-length message");
connected = FALSE;
continue;
}
if (ret != 0) {
krb5_warn(context, ret, "couldn't read master's message");
connected = FALSE;
continue;
}
ret = server_context->db->hdb_open(context,
server_context->db,
O_RDWR | O_CREAT, 0600);
if (ret)
krb5_err (context, 1, ret, "db->open while handling a "
"message from the master");
ret = kadm5_log_init(server_context);
if (ret) {
krb5_err(context, IPROPD_RESTART, ret, "kadm5_log_init while "
"handling a message from the master");
}
ret = server_context->db->hdb_close (context, server_context->db);
if (ret)
krb5_err (context, 1, ret, "db->close while handling a "
"message from the master");
switch (tmp) {
case FOR_YOU :
if (verbose)
krb5_warnx(context, "master sent us diffs");
ret2 = receive(context, sp, server_context);
if (ret2)
krb5_warn(context, ret2,
"receive from ipropd-master had errors");
ret = ihave(context, auth_context, master_fd,
server_context->log_context.version);
if (ret || ret2)
connected = FALSE;
/*
* If it returns an error, receive() may nonetheless
* have committed some entries successfully, so we must
* update the slave_status even if there were errors.
*/
is_up_to_date(context, status_file, server_context);
break;
case TELL_YOU_EVERYTHING :
if (verbose)
krb5_warnx(context, "master sent us a full dump");
ret = receive_everything(context, master_fd, server_context,
auth_context);
if (ret == 0) {
ret = ihave(context, auth_context, master_fd,
server_context->log_context.version);
}
if (ret)
connected = FALSE;
else
is_up_to_date(context, status_file, server_context);
break;
case ARE_YOU_THERE :
if (verbose)
krb5_warnx(context, "master sent us a ping");
is_up_to_date(context, status_file, server_context);
ret = ihave(context, auth_context, master_fd,
server_context->log_context.version);
if (ret)
connected = FALSE;
send_im_here(context, master_fd, auth_context);
break;
case YOU_HAVE_LAST_VERSION:
if (verbose)
krb5_warnx(context, "master tells us we are up to date");
is_up_to_date(context, status_file, server_context);
break;
case NOW_YOU_HAVE :
case I_HAVE :
case ONE_PRINC :
case I_AM_HERE :
default :
krb5_warnx (context, "Ignoring command %d", tmp);
break;
}
krb5_storage_free (sp);
krb5_data_free (&out);
}
slave_status(context, status_file, "disconnected from master");
retry:
if (connected == FALSE)
krb5_warnx (context, "disconnected for server");
if (exit_flag)
krb5_warnx (context, "got an exit signal");
if (master_fd >= 0)
close(master_fd);
reconnect += backoff;
if (reconnect > reconnect_max) {
slave_status(context, status_file, "disconnected from master for a long time");
reconnect = reconnect_max;
}
}
if (status_file) {
/* XXX It'd be better to leave it saying we're not here */
unlink(status_file);
}
if (0);
#ifndef NO_SIGXCPU
else if(exit_flag == SIGXCPU)
krb5_warnx(context, "%s CPU time limit exceeded", getprogname());
#endif
else if(exit_flag == SIGINT || exit_flag == SIGTERM)
krb5_warnx(context, "%s terminated", getprogname());
else
krb5_warnx(context, "%s unexpected exit reason: %ld",
getprogname(), (long)exit_flag);
return 0;
}
int
stash(struct stash_options *opt, int argc, char **argv)
{
char buf[1024];
krb5_error_code ret;
krb5_enctype enctype;
hdb_master_key mkey;
int aret;
if(!local_flag) {
krb5_warnx(context, "stash is only available in local (-l) mode");
return 0;
}
ret = krb5_string_to_enctype(context, opt->enctype_string, &enctype);
if(ret) {
krb5_warn(context, ret, "%s", opt->enctype_string);
return 0;
}
if(opt->key_file_string == NULL) {
aret = asprintf(&opt->key_file_string, "%s/m-key", hdb_db_dir(context));
if (aret == -1)
errx(1, "out of memory");
}
ret = hdb_read_master_key(context, opt->key_file_string, &mkey);
if(ret && ret != ENOENT) {
krb5_warn(context, ret, "reading master key from %s",
opt->key_file_string);
return 0;
}
if (opt->convert_file_flag) {
if (ret)
krb5_warn(context, ret, "reading master key from %s",
opt->key_file_string);
return 0;
} else {
krb5_keyblock key;
krb5_salt salt;
salt.salttype = KRB5_PW_SALT;
/* XXX better value? */
salt.saltvalue.data = NULL;
salt.saltvalue.length = 0;
if(opt->master_key_fd_integer != -1) {
ssize_t n;
n = read(opt->master_key_fd_integer, buf, sizeof(buf));
if(n == 0)
krb5_warnx(context, "end of file reading passphrase");
else if(n < 0) {
krb5_warn(context, errno, "reading passphrase");
n = 0;
}
buf[n] = '\0';
buf[strcspn(buf, "\r\n")] = '\0';
} else if (opt->random_password_flag) {
random_password (buf, sizeof(buf));
printf("Using random master stash password: %s\n", buf);
} else {
if(UI_UTIL_read_pw_string(buf, sizeof(buf), "Master key: ", 1)) {
hdb_free_master_key(context, mkey);
return 0;
}
}
ret = krb5_string_to_key_salt(context, enctype, buf, salt, &key);
ret = hdb_add_master_key(context, &key, &mkey);
krb5_free_keyblock_contents(context, &key);
}
{
char *new = NULL, *old = NULL;
int aret;
aret = asprintf(&old, "%s.old", opt->key_file_string);
if (aret == -1) {
ret = ENOMEM;
goto out;
}
aret = asprintf(&new, "%s.new", opt->key_file_string);
if (aret == -1) {
ret = ENOMEM;
goto out;
}
if(unlink(new) < 0 && errno != ENOENT) {
ret = errno;
goto out;
}
krb5_warnx(context, "writing key to \"%s\"", opt->key_file_string);
ret = hdb_write_master_key(context, new, mkey);
if(ret)
unlink(new);
else {
unlink(old);
#ifndef NO_POSIX_LINKS
if(link(opt->key_file_string, old) < 0 && errno != ENOENT) {
ret = errno;
unlink(new);
} else {
#endif
if(rename(new, opt->key_file_string) < 0) {
krb5_kdc_configuration *
configure(krb5_context context, int argc, char **argv, int *optidx)
{
krb5_kdc_configuration *config;
krb5_error_code ret;
const char *p;
*optidx = 0;
while(getarg(args, num_args, argc, argv, optidx))
warnx("error at argument `%s'", argv[*optidx]);
if(help_flag)
usage (0);
if (version_flag) {
print_version(NULL);
exit(0);
}
if (builtin_hdb_flag) {
char *list;
ret = hdb_list_builtin(context, &list);
if (ret)
krb5_err(context, 1, ret, "listing builtin hdb backends");
printf("builtin hdb backends: %s\n", list);
free(list);
exit(0);
}
{
char **files;
int aret;
if (config_file == NULL) {
aret = asprintf(&config_file, "%s/kdc.conf", hdb_db_dir(context));
if (aret == -1 || config_file == NULL)
errx(1, "out of memory");
}
ret = krb5_prepend_config_files_default(config_file, &files);
if (ret)
krb5_err(context, 1, ret, "getting configuration files");
ret = krb5_set_config_files(context, files);
krb5_free_config_files(files);
if(ret)
krb5_err(context, 1, ret, "reading configuration files");
}
ret = krb5_kdc_get_config(context, &config);
if (ret)
krb5_err(context, 1, ret, "krb5_kdc_default_config");
kdc_openlog(context, "kdc", config);
ret = krb5_kdc_set_dbinfo(context, config);
if (ret)
krb5_err(context, 1, ret, "krb5_kdc_set_dbinfo");
if(max_request_str)
max_request_tcp = max_request_udp = parse_bytes(max_request_str, NULL);
if(max_request_tcp == 0){
p = krb5_config_get_string (context,
NULL,
"kdc",
"max-request",
NULL);
if(p)
max_request_tcp = max_request_udp = parse_bytes(p, NULL);
}
if(require_preauth != -1)
config->require_preauth = require_preauth;
if(port_str == NULL){
p = krb5_config_get_string(context, NULL, "kdc", "ports", NULL);
if (p != NULL)
port_str = strdup(p);
}
explicit_addresses.len = 0;
if (addresses_str.num_strings) {
int i;
for (i = 0; i < addresses_str.num_strings; ++i)
add_one_address (context, addresses_str.strings[i], i == 0);
free_getarg_strings (&addresses_str);
} else {
char **foo = krb5_config_get_strings (context, NULL,
"kdc", "addresses", NULL);
if (foo != NULL) {
add_one_address (context, *foo++, TRUE);
while (*foo)
add_one_address (context, *foo++, FALSE);
}
}
if(enable_http == -1)
enable_http = krb5_config_get_bool(context, NULL, "kdc",
"enable-http", NULL);
if(request_log == NULL)
request_log = krb5_config_get_string(context, NULL,
"kdc",
"kdc-request-log",
NULL);
if (krb5_config_get_string(context, NULL, "kdc",
"enforce-transited-policy", NULL))
krb5_errx(context, 1, "enforce-transited-policy deprecated, "
"use [kdc]transited-policy instead");
#ifdef SUPPORT_DETACH
if(detach_from_console == -1)
detach_from_console = krb5_config_get_bool_default(context, NULL,
DETACH_IS_DEFAULT,
"kdc",
"detach", NULL);
#endif /* SUPPORT_DETACH */
if(max_request_tcp == 0)
max_request_tcp = 64 * 1024;
if(max_request_udp == 0)
max_request_udp = 64 * 1024;
if (port_str == NULL)
port_str = "+";
if(disable_des == -1)
disable_des = krb5_config_get_bool_default(context, NULL,
FALSE,
"kdc",
"disable-des", NULL);
if(disable_des) {
krb5_enctype_disable(context, ETYPE_DES_CBC_CRC);
krb5_enctype_disable(context, ETYPE_DES_CBC_MD4);
krb5_enctype_disable(context, ETYPE_DES_CBC_MD5);
krb5_enctype_disable(context, ETYPE_DES_CBC_NONE);
krb5_enctype_disable(context, ETYPE_DES_CFB64_NONE);
krb5_enctype_disable(context, ETYPE_DES_PCBC_NONE);
}
krb5_kdc_windc_init(context);
krb5_kdc_pkinit_config(context, config);
return config;
}
int
main(int argc, char **argv)
{
krb5_error_code ret;
char **files;
int optidx = 0;
int e, i;
krb5_log_facility *logfacility;
krb5_keytab keytab;
setprogname(argv[0]);
ret = krb5_init_context(&context);
if (ret)
errx (1, "krb5_init_context failed: %d", ret);
while((e = getarg(args, num_args, argc, argv, &optidx)))
warnx("error at argument `%s'", argv[optidx]);
if (help_flag)
usage (0);
if (version_flag) {
print_version(NULL);
exit(0);
}
argc -= optidx;
argv += optidx;
if (config_file == NULL) {
asprintf(&config_file, "%s/kdc.conf", hdb_db_dir(context));
if (config_file == NULL)
errx(1, "out of memory");
}
ret = krb5_prepend_config_files_default(config_file, &files);
if (ret)
krb5_err(context, 1, ret, "getting configuration files");
ret = krb5_set_config_files(context, files);
krb5_free_config_files(files);
if(ret)
krb5_err(context, 1, ret, "reading configuration files");
ret = krb5_openlog(context, "kadmind", &logfacility);
if (ret)
krb5_err(context, 1, ret, "krb5_openlog");
ret = krb5_set_warn_dest(context, logfacility);
if (ret)
krb5_err(context, 1, ret, "krb5_set_warn_dest");
ret = krb5_kt_register(context, &hdb_kt_ops);
if(ret)
krb5_err(context, 1, ret, "krb5_kt_register");
ret = krb5_kt_resolve(context, keytab_str, &keytab);
if(ret)
krb5_err(context, 1, ret, "krb5_kt_resolve");
kadm5_setup_passwd_quality_check (context, check_library, check_function);
for (i = 0; i < policy_libraries.num_strings; i++) {
ret = kadm5_add_passwd_quality_verifier(context,
policy_libraries.strings[i]);
if (ret)
krb5_err(context, 1, ret, "kadm5_add_passwd_quality_verifier");
}
ret = kadm5_add_passwd_quality_verifier(context, NULL);
if (ret)
krb5_err(context, 1, ret, "kadm5_add_passwd_quality_verifier");
{
int fd = 0;
struct sockaddr_storage __ss;
struct sockaddr *sa = (struct sockaddr *)&__ss;
socklen_t sa_size = sizeof(__ss);
krb5_auth_context ac = NULL;
int debug_port;
if(debug_flag) {
if(port_str == NULL)
debug_port = krb5_getportbyname (context, "kerberos-adm",
"tcp", 749);
else
debug_port = htons(atoi(port_str));
mini_inetd(debug_port);
} else if(roken_getsockname(STDIN_FILENO, sa, &sa_size) < 0 &&
errno == ENOTSOCK) {
parse_ports(context, port_str ? port_str : "+");
pidfile(NULL);
start_server(context);
}
if(realm)
krb5_set_default_realm(context, realm); /* XXX */
kadmind_loop(context, ac, keytab, fd);
}
return 0;
}
int
main(int argc, char **argv)
{
krb5_error_code ret;
krb5_context context;
void *kadm_handle;
kadm5_server_context *server_context;
kadm5_config_params conf;
krb5_socket_t signal_fd, listen_fd;
int log_fd;
slave *slaves = NULL;
uint32_t current_version = 0, old_version = 0;
krb5_keytab keytab;
int optidx;
char **files;
optidx = krb5_program_setup(&context, argc, argv, args, num_args, NULL);
if(help_flag)
krb5_std_usage(0, args, num_args);
if(version_flag) {
print_version(NULL);
exit(0);
}
setup_signal();
if (config_file == NULL) {
asprintf(&config_file, "%s/kdc.conf", hdb_db_dir(context));
if (config_file == NULL)
errx(1, "out of memory");
}
ret = krb5_prepend_config_files_default(config_file, &files);
if (ret)
krb5_err(context, 1, ret, "getting configuration files");
ret = krb5_set_config_files(context, files);
krb5_free_config_files(files);
if (ret)
krb5_err(context, 1, ret, "reading configuration files");
time_before_gone = parse_time (slave_time_gone, "s");
if (time_before_gone < 0)
krb5_errx (context, 1, "couldn't parse time: %s", slave_time_gone);
time_before_missing = parse_time (slave_time_missing, "s");
if (time_before_missing < 0)
krb5_errx (context, 1, "couldn't parse time: %s", slave_time_missing);
#ifdef SUPPORT_DETACH
if (detach_from_console)
daemon(0, 0);
#endif
pidfile (NULL);
krb5_openlog (context, "ipropd-master", &log_facility);
krb5_set_warn_dest(context, log_facility);
ret = krb5_kt_register(context, &hdb_kt_ops);
if(ret)
krb5_err(context, 1, ret, "krb5_kt_register");
ret = krb5_kt_resolve(context, keytab_str, &keytab);
if(ret)
krb5_err(context, 1, ret, "krb5_kt_resolve: %s", keytab_str);
memset(&conf, 0, sizeof(conf));
if(realm) {
conf.mask |= KADM5_CONFIG_REALM;
conf.realm = realm;
}
ret = kadm5_init_with_skey_ctx (context,
KADM5_ADMIN_SERVICE,
NULL,
KADM5_ADMIN_SERVICE,
&conf, 0, 0,
&kadm_handle);
if (ret)
krb5_err (context, 1, ret, "kadm5_init_with_password_ctx");
server_context = (kadm5_server_context *)kadm_handle;
log_fd = open (server_context->log_context.log_file, O_RDONLY, 0);
if (log_fd < 0)
krb5_err (context, 1, errno, "open %s",
server_context->log_context.log_file);
signal_fd = make_signal_socket (context);
listen_fd = make_listen_socket (context, port_str);
kadm5_log_get_version_fd (log_fd, ¤t_version);
krb5_warnx(context, "ipropd-master started at version: %lu",
(unsigned long)current_version);
while(exit_flag == 0){
slave *p;
fd_set readset;
int max_fd = 0;
struct timeval to = {30, 0};
uint32_t vers;
#ifndef NO_LIMIT_FD_SETSIZE
if (signal_fd >= FD_SETSIZE || listen_fd >= FD_SETSIZE)
krb5_errx (context, 1, "fd too large");
#endif
FD_ZERO(&readset);
FD_SET(signal_fd, &readset);
max_fd = max(max_fd, signal_fd);
FD_SET(listen_fd, &readset);
max_fd = max(max_fd, listen_fd);
for (p = slaves; p != NULL; p = p->next) {
if (p->flags & SLAVE_F_DEAD)
continue;
FD_SET(p->fd, &readset);
max_fd = max(max_fd, p->fd);
}
ret = select (max_fd + 1,
&readset, NULL, NULL, &to);
if (ret < 0) {
if (errno == EINTR)
continue;
else
krb5_err (context, 1, errno, "select");
}
if (ret == 0) {
old_version = current_version;
kadm5_log_get_version_fd (log_fd, ¤t_version);
if (current_version > old_version) {
krb5_warnx(context,
"Missed a signal, updating slaves %lu to %lu",
(unsigned long)old_version,
(unsigned long)current_version);
for (p = slaves; p != NULL; p = p->next) {
if (p->flags & SLAVE_F_DEAD)
continue;
send_diffs (context, p, log_fd, database, current_version);
}
}
}
if (ret && FD_ISSET(signal_fd, &readset)) {
#ifndef NO_UNIX_SOCKETS
struct sockaddr_un peer_addr;
#else
struct sockaddr_storage peer_addr;
#endif
socklen_t peer_len = sizeof(peer_addr);
if(recvfrom(signal_fd, (void *)&vers, sizeof(vers), 0,
(struct sockaddr *)&peer_addr, &peer_len) < 0) {
krb5_warn (context, errno, "recvfrom");
continue;
}
--ret;
assert(ret >= 0);
old_version = current_version;
kadm5_log_get_version_fd (log_fd, ¤t_version);
if (current_version > old_version) {
krb5_warnx(context,
"Got a signal, updating slaves %lu to %lu",
(unsigned long)old_version,
(unsigned long)current_version);
for (p = slaves; p != NULL; p = p->next) {
if (p->flags & SLAVE_F_DEAD)
continue;
send_diffs (context, p, log_fd, database, current_version);
}
} else {
krb5_warnx(context,
"Got a signal, but no update in log version %lu",
(unsigned long)current_version);
}
}
for(p = slaves; p != NULL; p = p->next) {
if (p->flags & SLAVE_F_DEAD)
continue;
if (ret && FD_ISSET(p->fd, &readset)) {
--ret;
assert(ret >= 0);
if(process_msg (context, p, log_fd, database, current_version))
slave_dead(context, p);
} else if (slave_gone_p (p))
slave_dead(context, p);
else if (slave_missing_p (p))
send_are_you_there (context, p);
}
if (ret && FD_ISSET(listen_fd, &readset)) {
add_slave (context, keytab, &slaves, listen_fd);
--ret;
assert(ret >= 0);
}
write_stats(context, slaves, current_version);
}
if(exit_flag == SIGINT || exit_flag == SIGTERM)
krb5_warnx(context, "%s terminated", getprogname());
#ifdef SIGXCPU
else if(exit_flag == SIGXCPU)
krb5_warnx(context, "%s CPU time limit exceeded", getprogname());
#endif
else
krb5_warnx(context, "%s unexpected exit reason: %ld",
getprogname(), (long)exit_flag);
write_master_down(context);
return 0;
}
int
main (int argc, char **argv)
{
krb5_keytab keytab;
krb5_error_code ret;
char **files;
int port, i;
krb5_program_setup(&context, argc, argv, args, num_args, NULL);
if(help_flag)
krb5_std_usage(0, args, num_args);
if(version_flag) {
print_version(NULL);
exit(0);
}
if (config_file == NULL) {
asprintf(&config_file, "%s/kdc.conf", hdb_db_dir(context));
if (config_file == NULL)
errx(1, "out of memory");
}
ret = krb5_prepend_config_files_default(config_file, &files);
if (ret)
krb5_err(context, 1, ret, "getting configuration files");
ret = krb5_set_config_files(context, files);
krb5_free_config_files(files);
if (ret)
krb5_err(context, 1, ret, "reading configuration files");
if(realm_str)
krb5_set_default_realm(context, realm_str);
krb5_openlog (context, "kpasswdd", &log_facility);
krb5_set_warn_dest(context, log_facility);
if (port_str != NULL) {
struct servent *s = roken_getservbyname (port_str, "udp");
if (s != NULL)
port = s->s_port;
else {
char *ptr;
port = strtol (port_str, &ptr, 10);
if (port == 0 && ptr == port_str)
krb5_errx (context, 1, "bad port `%s'", port_str);
port = htons(port);
}
} else
port = krb5_getportbyname (context, "kpasswd", "udp", KPASSWD_PORT);
ret = krb5_kt_register(context, &hdb_kt_ops);
if(ret)
krb5_err(context, 1, ret, "krb5_kt_register");
ret = krb5_kt_resolve(context, keytab_str, &keytab);
if(ret)
krb5_err(context, 1, ret, "%s", keytab_str);
kadm5_setup_passwd_quality_check (context, check_library, check_function);
for (i = 0; i < policy_libraries.num_strings; i++) {
ret = kadm5_add_passwd_quality_verifier(context,
policy_libraries.strings[i]);
if (ret)
krb5_err(context, 1, ret, "kadm5_add_passwd_quality_verifier");
}
ret = kadm5_add_passwd_quality_verifier(context, NULL);
if (ret)
krb5_err(context, 1, ret, "kadm5_add_passwd_quality_verifier");
explicit_addresses.len = 0;
if (addresses_str.num_strings) {
int j;
for (j = 0; j < addresses_str.num_strings; ++j)
add_one_address (addresses_str.strings[j], j == 0);
free_getarg_strings (&addresses_str);
} else {
char **foo = krb5_config_get_strings (context, NULL,
"kdc", "addresses", NULL);
if (foo != NULL) {
add_one_address (*foo++, TRUE);
while (*foo)
add_one_address (*foo++, FALSE);
}
}
#ifdef HAVE_SIGACTION
{
struct sigaction sa;
sa.sa_flags = 0;
sa.sa_handler = sigterm;
sigemptyset(&sa.sa_mask);
sigaction(SIGINT, &sa, NULL);
sigaction(SIGTERM, &sa, NULL);
}
#else
signal(SIGINT, sigterm);
signal(SIGTERM, sigterm);
#endif
pidfile(NULL);
return doit (keytab, port);
}
int
main(int argc, char **argv)
{
krb5_error_code ret;
char **files;
int optidx = 0;
int i;
krb5_log_facility *logfacility;
krb5_keytab keytab;
krb5_socket_t sfd = rk_INVALID_SOCKET;
setprogname(argv[0]);
ret = krb5_init_context(&context);
if (ret)
errx (1, "krb5_init_context failed: %d", ret);
if (getarg(args, num_args, argc, argv, &optidx)) {
warnx("error at argument `%s'", argv[optidx]);
usage(1);
}
if (help_flag)
usage (0);
if (version_flag) {
print_version(NULL);
exit(0);
}
argc -= optidx;
argv += optidx;
if (config_file == NULL) {
asprintf(&config_file, "%s/kdc.conf", hdb_db_dir(context));
if (config_file == NULL)
errx(1, "out of memory");
}
ret = krb5_prepend_config_files_default(config_file, &files);
if (ret)
krb5_err(context, 1, ret, "getting configuration files");
ret = krb5_set_config_files(context, files);
krb5_free_config_files(files);
if(ret)
krb5_err(context, 1, ret, "reading configuration files");
ret = krb5_openlog(context, "kadmind", &logfacility);
if (ret)
krb5_err(context, 1, ret, "krb5_openlog");
ret = krb5_set_warn_dest(context, logfacility);
if (ret)
krb5_err(context, 1, ret, "krb5_set_warn_dest");
ret = krb5_kt_register(context, &hdb_kt_ops);
if(ret)
krb5_err(context, 1, ret, "krb5_kt_register");
ret = krb5_kt_resolve(context, keytab_str, &keytab);
if(ret)
krb5_err(context, 1, ret, "krb5_kt_resolve");
kadm5_setup_passwd_quality_check (context, check_library, check_function);
for (i = 0; i < policy_libraries.num_strings; i++) {
ret = kadm5_add_passwd_quality_verifier(context,
policy_libraries.strings[i]);
if (ret)
krb5_err(context, 1, ret, "kadm5_add_passwd_quality_verifier");
}
ret = kadm5_add_passwd_quality_verifier(context, NULL);
if (ret)
krb5_err(context, 1, ret, "kadm5_add_passwd_quality_verifier");
if(debug_flag) {
int debug_port;
if(port_str == NULL)
debug_port = krb5_getportbyname (context, "kerberos-adm",
"tcp", 749);
else
debug_port = htons(atoi(port_str));
mini_inetd(debug_port, &sfd);
} else {
#ifdef _WIN32
pidfile(NULL);
start_server(context, port_str);
#else
struct sockaddr_storage __ss;
struct sockaddr *sa = (struct sockaddr *)&__ss;
socklen_t sa_size = sizeof(__ss);
/*
* Check if we are running inside inetd or not, if not, start
* our own server.
*/
if(roken_getsockname(STDIN_FILENO, sa, &sa_size) < 0 &&
rk_SOCK_ERRNO == ENOTSOCK) {
pidfile(NULL);
start_server(context, port_str);
}
#endif /* _WIN32 */
sfd = STDIN_FILENO;
}
if(realm)
krb5_set_default_realm(context, realm); /* XXX */
kadmind_loop(context, keytab, sfd);
return 0;
}
krb5_kdc_configuration *
configure(krb5_context context, int argc, char **argv)
{
krb5_kdc_configuration *config;
krb5_error_code ret;
int optidx = 0;
const char *p;
while(getarg(args, num_args, argc, argv, &optidx))
warnx("error at argument `%s'", argv[optidx]);
if(help_flag)
usage (0);
if (version_flag) {
print_version(NULL);
exit(0);
}
if (builtin_hdb_flag) {
char *list;
ret = hdb_list_builtin(context, &list);
if (ret)
krb5_err(context, 1, ret, "listing builtin hdb backends");
printf("builtin hdb backends: %s\n", list);
free(list);
exit(0);
}
argc -= optidx;
argv += optidx;
if (argc != 0)
usage(1);
{
char **files;
if (config_file == NULL) {
asprintf(&config_file, "%s/kdc.conf", hdb_db_dir(context));
if (config_file == NULL)
errx(1, "out of memory");
}
ret = krb5_prepend_config_files_default(config_file, &files);
if (ret)
krb5_err(context, 1, ret, "getting configuration files");
ret = krb5_set_config_files(context, files);
krb5_free_config_files(files);
if(ret)
krb5_err(context, 1, ret, "reading configuration files");
}
ret = krb5_kdc_get_config(context, &config);
if (ret)
krb5_err(context, 1, ret, "krb5_kdc_default_config");
kdc_openlog(context, "kdc", config);
ret = krb5_kdc_set_dbinfo(context, config);
if (ret)
krb5_err(context, 1, ret, "krb5_kdc_set_dbinfo");
if(max_request_str)
max_request_tcp = max_request_udp = parse_bytes(max_request_str, NULL);
if(max_request_tcp == 0){
p = krb5_config_get_string (context,
NULL,
"kdc",
"max-request",
NULL);
if(p)
max_request_tcp = max_request_udp = parse_bytes(p, NULL);
}
if(require_preauth != -1)
config->require_preauth = require_preauth;
if(port_str == NULL){
p = krb5_config_get_string(context, NULL, "kdc", "ports", NULL);
if (p != NULL)
port_str = strdup(p);
}
explicit_addresses.len = 0;
if (addresses_str.num_strings) {
int i;
for (i = 0; i < addresses_str.num_strings; ++i)
add_one_address (context, addresses_str.strings[i], i == 0);
free_getarg_strings (&addresses_str);
} else {
char **foo = krb5_config_get_strings (context, NULL,
"kdc", "addresses", NULL);
if (foo != NULL) {
add_one_address (context, *foo++, TRUE);
while (*foo)
add_one_address (context, *foo++, FALSE);
}
}
if(enable_v4 != -1)
config->enable_v4 = enable_v4;
if(enable_v4_cross_realm != -1)
config->enable_v4_cross_realm = enable_v4_cross_realm;
if(enable_524 != -1)
config->enable_524 = enable_524;
if(enable_http == -1)
enable_http = krb5_config_get_bool(context, NULL, "kdc",
"enable-http", NULL);
if(request_log == NULL)
request_log = krb5_config_get_string(context, NULL,
"kdc",
"kdc-request-log",
NULL);
if (krb5_config_get_string(context, NULL, "kdc",
"enforce-transited-policy", NULL))
krb5_errx(context, 1, "enforce-transited-policy deprecated, "
"use [kdc]transited-policy instead");
if (enable_kaserver != -1)
config->enable_kaserver = enable_kaserver;
#ifdef SUPPORT_DETACH
if(detach_from_console == -1)
detach_from_console = krb5_config_get_bool_default(context, NULL,
DETACH_IS_DEFAULT,
"kdc",
"detach", NULL);
#endif /* SUPPORT_DETACH */
if(max_request_tcp == 0)
max_request_tcp = 64 * 1024;
if(max_request_udp == 0)
max_request_udp = 64 * 1024;
if (port_str == NULL)
port_str = "+";
if (v4_realm)
config->v4_realm = v4_realm;
if(config->v4_realm == NULL && (config->enable_kaserver || config->enable_v4))
krb5_errx(context, 1, "Kerberos 4 enabled but no realm configured");
if(disable_des == -1)
disable_des = krb5_config_get_bool_default(context, NULL,
FALSE,
"kdc",
"disable-des", NULL);
if(disable_des) {
krb5_enctype_disable(context, ETYPE_DES_CBC_CRC);
krb5_enctype_disable(context, ETYPE_DES_CBC_MD4);
krb5_enctype_disable(context, ETYPE_DES_CBC_MD5);
krb5_enctype_disable(context, ETYPE_DES_CBC_NONE);
krb5_enctype_disable(context, ETYPE_DES_CFB64_NONE);
krb5_enctype_disable(context, ETYPE_DES_PCBC_NONE);
kdc_log(context, config,
0, "DES was disabled, turned off Kerberos V4, 524 "
"and kaserver");
config->enable_v4 = 0;
config->enable_524 = 0;
config->enable_kaserver = 0;
}
krb5_kdc_windc_init(context);
#ifdef PKINIT
#ifdef __APPLE__
config->enable_pkinit = 1;
if (config->pkinit_kdc_identity == NULL) {
if (config->pkinit_kdc_friendly_name == NULL)
config->pkinit_kdc_friendly_name =
strdup("O=System Identity,CN=com.apple.kerberos.kdc");
config->pkinit_kdc_identity = strdup("KEYCHAIN:");
}
if (config->pkinit_kdc_anchors == NULL)
config->pkinit_kdc_anchors = strdup("KEYCHAIN:");
#endif /* __APPLE__ */
if (config->enable_pkinit) {
if (config->pkinit_kdc_identity == NULL)
krb5_errx(context, 1, "pkinit enabled but no identity");
if (config->pkinit_kdc_anchors == NULL)
krb5_errx(context, 1, "pkinit enabled but no X509 anchors");
krb5_kdc_pk_initialize(context, config,
config->pkinit_kdc_identity,
config->pkinit_kdc_anchors,
config->pkinit_kdc_cert_pool,
config->pkinit_kdc_revoke);
}
#endif /* PKINIT */
return config;
}
