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/*
Authors:
Pavel Březina <pbrezina@redhat.com>
Copyright (C) 2017 Red Hat
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <errno.h>
#include <dbus/dbus.h>
#include "util/util.h"
#include "util/util_errors.h"
#include "util/strtonum.h"
#include "sbus/sbus_errors.h"
static const struct {
const char *name;
errno_t ret;
} sbus_error_table[] = {
/* Custom errors. */
{ SBUS_ERROR_INTERNAL, ERR_INTERNAL },
{ SBUS_ERROR_NOT_FOUND, ENOENT },
{ SBUS_ERROR_KILLED, ERR_SBUS_KILL_CONNECTION },
{ SBUS_ERROR_NO_CA, ERR_CA_DB_NOT_FOUND},
/* D-Bus standard errors. Some errno values may overlap, but when
* finding its D-Bus pair the first match is returned. */
{ DBUS_ERROR_SERVICE_UNKNOWN, ERR_SBUS_UNKNOWN_SERVICE},
{ DBUS_ERROR_UNKNOWN_INTERFACE, ERR_SBUS_UNKNOWN_INTERFACE},
{ DBUS_ERROR_UNKNOWN_PROPERTY, ERR_SBUS_UNKNOWN_PROPERTY},
{ DBUS_ERROR_NAME_HAS_NO_OWNER, ERR_SBUS_UNKNOWN_OWNER},
{ DBUS_ERROR_NO_REPLY, ERR_SBUS_NO_REPLY},
{ DBUS_ERROR_FAILED, EFAULT},
{ DBUS_ERROR_NO_MEMORY, ENOMEM},
{ DBUS_ERROR_TIMEOUT, ETIMEDOUT},
{ DBUS_ERROR_NO_REPLY, ETIMEDOUT},
{ DBUS_ERROR_IO_ERROR, EIO},
{ DBUS_ERROR_BAD_ADDRESS, EFAULT},
{ DBUS_ERROR_NOT_SUPPORTED, ENOTSUP},
{ DBUS_ERROR_LIMITS_EXCEEDED, ERANGE},
{ DBUS_ERROR_ACCESS_DENIED, EPERM},
{ DBUS_ERROR_AUTH_FAILED, EACCES},
{ DBUS_ERROR_NO_NETWORK, ENONET},
{ DBUS_ERROR_DISCONNECTED, ERR_OFFLINE},
{ DBUS_ERROR_INVALID_ARGS, EINVAL},
/* Should not happen so it can be as last item. */
{ SBUS_ERROR_SUCCESS, EOK },
{ NULL, -1 }
};
errno_t sbus_error_to_errno(DBusError *error)
{
uint32_t ret;
int i;
if (!dbus_error_is_set(error)) {
return EOK;
}
if (dbus_error_has_name(error, SBUS_ERROR_ERRNO)) {
ret = strtouint32(error->message, NULL, 10);
if (errno != 0) {
DEBUG(SSSDBG_CRIT_FAILURE, "Unexpected error format: [%s]\n",
error->message);
return ERR_INTERNAL;
} else if (ret == EOK) {
DEBUG(SSSDBG_CRIT_FAILURE, "An error was send but it indicates "
"success: [%s]\n", error->message);
return ERR_INTERNAL;
}
return ret;
}
for (i = 0; sbus_error_table[i].name != NULL; i++) {
if (dbus_error_has_name(error, sbus_error_table[i].name)) {
return sbus_error_table[i].ret;
}
}
return EIO;
}
void
sbus_errno_to_error(TALLOC_CTX *mem_ctx,
errno_t ret,
const char **_error_name,
const char **_error_message)
{
char *message;
int i;
for (i = 0; sbus_error_table[i].ret != -1; i++) {
if (sbus_error_table[i].ret == ret) {
*_error_name = sbus_error_table[i].name;
*_error_message = sss_strerror(ret);
return;
}
}
/* Error code was not translated. Create generic errno message. */
message = talloc_asprintf(mem_ctx, "%u: %s", ret, sss_strerror(ret));
if (message == NULL) {
*_error_name = DBUS_ERROR_NO_MEMORY;
*_error_message = sss_strerror(ENOMEM);
return;
}
*_error_name = SBUS_ERROR_ERRNO;
*_error_message = message;
return;
}
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