krb5_error_code KRB5_LIB_FUNCTION
krb5_krbhst_init(krb5_context context,
const char *realm,
unsigned int type,
krb5_krbhst_handle *handle)
{
return krb5_krbhst_init_flags(context, realm, type, 0, handle);
}
int
main(int argc, char **argv)
{
krb5_error_code ret;
krb5_context context;
krb5_krbhst_handle handle;
char host[MAXHOSTNAMELEN];
int found = 0;
setprogname(argv[0]);
ret = krb5_init_context(&context);
if (ret)
errx(1, "krb5_init_contex");
ret = krb5_plugin_register(context, PLUGIN_TYPE_DATA,
KRB5_PLUGIN_LOCATE, &resolve);
if (ret)
krb5_err(context, 1, ret, "krb5_plugin_register");
ret = krb5_krbhst_init_flags(context,
"NOTHERE.H5L.SE",
KRB5_KRBHST_KDC,
0,
&handle);
if (ret)
krb5_err(context, 1, ret, "krb5_krbhst_init_flags");
while(krb5_krbhst_next_as_string(context, handle, host, sizeof(host)) == 0){
found++;
if (strcmp(host, "127.0.0.2") != 0 && strcmp(host, "tcp/127.0.0.2") != 0)
krb5_errx(context, 1, "wrong address: %s", host);
}
if (!found)
krb5_errx(context, 1, "failed to find host");
krb5_krbhst_free(context, handle);
krb5_free_context(context);
return 0;
}
KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_sendto_context(krb5_context context,
krb5_sendto_ctx ctx,
const krb5_data *send_data,
const krb5_realm realm,
krb5_data *receive)
{
krb5_error_code ret;
krb5_krbhst_handle handle = NULL;
int type, freectx = 0;
int action;
krb5_data_zero(receive);
if (ctx == NULL) {
freectx = 1;
ret = krb5_sendto_ctx_alloc(context, &ctx);
if (ret)
return ret;
}
type = ctx->type;
if (type == 0) {
if ((ctx->flags & KRB5_KRBHST_FLAGS_MASTER) || context->use_admin_kdc)
type = KRB5_KRBHST_ADMIN;
else
type = KRB5_KRBHST_KDC;
}
if ((int)send_data->length > context->large_msg_size)
ctx->flags |= KRB5_KRBHST_FLAGS_LARGE_MSG;
/* loop until we get back a appropriate response */
do {
action = KRB5_SENDTO_DONE;
krb5_data_free(receive);
if (handle == NULL) {
ret = krb5_krbhst_init_flags(context, realm, type,
ctx->flags, &handle);
if (ret) {
if (freectx)
krb5_sendto_ctx_free(context, ctx);
return ret;
}
}
ret = krb5_sendto(context, send_data, handle, receive);
if (ret)
break;
if (ctx->func) {
ret = (*ctx->func)(context, ctx, ctx->data, receive, &action);
if (ret)
break;
}
if (action != KRB5_SENDTO_CONTINUE) {
krb5_krbhst_free(context, handle);
handle = NULL;
}
} while (action != KRB5_SENDTO_DONE);
if (handle)
krb5_krbhst_free(context, handle);
if (ret == KRB5_KDC_UNREACH)
krb5_set_error_message(context, ret,
N_("unable to reach any KDC in realm %s", ""),
realm);
if (ret)
krb5_data_free(receive);
if (freectx)
krb5_sendto_ctx_free(context, ctx);
return ret;
}