#include "kadmin_locl.h"
#include "kadmin-commands.h"
struct ext_keytab_data {
krb5_keytab keytab;
};
static int
do_ext_keytab(krb5_principal principal, void *data)
{
krb5_error_code ret;
kadm5_principal_ent_rec princ;
struct ext_keytab_data *e = data;
krb5_keytab_entry *keys = NULL;
krb5_keyblock *k = NULL;
int i, n_k;
int have_keys = 0;
ret = kadm5_get_principal(kadm_handle, principal, &princ,
KADM5_PRINCIPAL|KADM5_KVNO|KADM5_KEY_DATA);
if(ret)
return ret;
for (i = 0; i < princ.n_key_data; i++)
if (princ.key_data[i].key_data_length[0] > 0)
have_keys = 1;
if (princ.n_key_data && have_keys) {
keys = malloc(sizeof(*keys) * princ.n_key_data);
if (keys == NULL) {
kadm5_free_principal_ent(kadm_handle, &princ);
krb5_clear_error_message(context);
return ENOMEM;
}
for (i = 0; i < princ.n_key_data; i++) {
krb5_key_data *kd = &princ.key_data[i];
keys[i].principal = princ.principal;
keys[i].vno = kd->key_data_kvno;
keys[i].keyblock.keytype = kd->key_data_type[0];
keys[i].keyblock.keyvalue.length = kd->key_data_length[0];
keys[i].keyblock.keyvalue.data = kd->key_data_contents[0];
keys[i].timestamp = (uint32_t)time(NULL);
}
n_k = princ.n_key_data;
} else {
ret = kadm5_randkey_principal(kadm_handle, principal, &k, &n_k);
if (ret) {
kadm5_free_principal_ent(kadm_handle, &princ);
return ret;
}
keys = malloc(sizeof(*keys) * n_k);
if (keys == NULL) {
kadm5_free_principal_ent(kadm_handle, &princ);
krb5_clear_error_message(context);
return ENOMEM;
}
for (i = 0; i < n_k; i++) {
keys[i].principal = principal;
keys[i].vno = princ.kvno + 1;
keys[i].keyblock = k[i];
keys[i].timestamp = (uint32_t)time(NULL);
}
}
for(i = 0; i < n_k; i++) {
ret = krb5_kt_add_entry(context, e->keytab, &keys[i]);
if(ret)
krb5_warn(context, ret, "krb5_kt_add_entry(%d)", i);
}
if (k) {
memset(k, 0, n_k * sizeof(*k));
free(k);
}
if (keys)
free(keys);
kadm5_free_principal_ent(kadm_handle, &princ);
return 0;
}
int
ext_keytab(struct ext_keytab_options *opt, int argc, char **argv)
{
krb5_error_code ret;
int i;
struct ext_keytab_data data;
if (opt->keytab_string == NULL)
ret = krb5_kt_default(context, &data.keytab);
else
ret = krb5_kt_resolve(context, opt->keytab_string, &data.keytab);
if(ret){
krb5_warn(context, ret, "krb5_kt_resolve");
return 1;
}
for(i = 0; i < argc; i++) {
ret = foreach_principal(argv[i], do_ext_keytab, "ext", &data);
if (ret)
break;
}
krb5_kt_close(context, data.keytab);
return ret != 0;
}