#include "kadm5_locl.h"
RCSID("$Id$");
kadm5_ret_t
_kadm5_client_send(kadm5_client_context *context, krb5_storage *sp)
{
krb5_data msg, out;
krb5_error_code ret;
size_t len;
krb5_storage *sock;
assert(context->sock != -1);
len = krb5_storage_seek(sp, 0, SEEK_CUR);
ret = krb5_data_alloc(&msg, len);
if (ret) {
krb5_clear_error_message(context->context);
return ret;
}
krb5_storage_seek(sp, 0, SEEK_SET);
krb5_storage_read(sp, msg.data, msg.length);
ret = krb5_mk_priv(context->context, context->ac, &msg, &out, NULL);
krb5_data_free(&msg);
if(ret)
return ret;
sock = krb5_storage_from_fd(context->sock);
if(sock == NULL) {
krb5_clear_error_message(context->context);
krb5_data_free(&out);
return ENOMEM;
}
ret = krb5_store_data(sock, out);
if (ret)
krb5_clear_error_message(context->context);
krb5_storage_free(sock);
krb5_data_free(&out);
return ret;
}
kadm5_ret_t
_kadm5_client_recv(kadm5_client_context *context, krb5_data *reply)
{
krb5_error_code ret;
krb5_data data;
krb5_storage *sock;
sock = krb5_storage_from_fd(context->sock);
if(sock == NULL) {
krb5_clear_error_message(context->context);
return ENOMEM;
}
ret = krb5_ret_data(sock, &data);
krb5_storage_free(sock);
krb5_clear_error_message(context->context);
if(ret == KRB5_CC_END)
return KADM5_RPC_ERROR;
else if(ret)
return ret;
ret = krb5_rd_priv(context->context, context->ac, &data, reply, NULL);
krb5_data_free(&data);
return ret;
}
krb5_error_code
_kadm5_store_ks_tuple(krb5_storage *sp, uint32_t n_ks_tuple, krb5_key_salt_tuple *ks_tuple)
{
krb5_error_code ret;
size_t n;
ret = krb5_store_uint32(sp, n_ks_tuple);
if (ret)
return ret;
for (n = 0; n < n_ks_tuple; n++) {
ret = krb5_store_int32(sp, 8);
if (ret) return ret;
ret = krb5_store_int32(sp, ks_tuple[n].ks_enctype);
if (ret) return ret;
ret = krb5_store_int32(sp, ks_tuple[n].ks_salttype);
if (ret) return ret;
}
return 0;
}
krb5_error_code
_kadm5_ret_ks_tuple(krb5_storage *sp, uint32_t *n_ks_tuple, krb5_key_salt_tuple **ks_tuple)
{
krb5_error_code ret;
uint32_t elsize, n;
*n_ks_tuple = 0;
*ks_tuple = NULL;
ret = krb5_ret_uint32(sp, n_ks_tuple);
if (ret == HEIM_ERR_EOF) {
return 0;
} else if (ret)
return ret;
if (n_ks_tuple < 0 || *n_ks_tuple > 1000) {
ret = EOVERFLOW;
goto fail;
}
ks_tuple = calloc(*n_ks_tuple, sizeof (*ks_tuple));
if (ks_tuple == NULL) {
ret = errno;
goto fail;
}
for (n = 0; n < *n_ks_tuple; n++) {
ret = krb5_ret_uint32(sp, &elsize);
if (ret)
goto fail;
if (elsize < 8) {
ret = EOVERFLOW;
goto fail;
}
ret = krb5_ret_int32(sp, &(*ks_tuple)[n].ks_enctype);
if (ret != 0)
goto fail;
ret = krb5_ret_int32(sp, &(*ks_tuple)[n].ks_salttype);
if (ret != 0)
goto fail;
krb5_storage_seek(sp, elsize - 8, SEEK_CUR);
}
return 0;
fail:
free(*ks_tuple);
*ks_tuple = NULL;
*n_ks_tuple = 0;
return ret;
}