sd_bus_get_name_creds - Query bus client credentials

NAME SYNOPSIS DESCRIPTION RETURN VALUE Errors NOTES SEE ALSO

NAME

sd_bus_get_name_creds, sd_bus_get_owner_creds − Query bus client credentials

SYNOPSIS

#include <elogind/sd−bus.h>

	int sd_bus_get_name_creds(sd_bus *bus, const char name, uint64_t* mask, sd_bus_creds **creds);
	int sd_bus_get_owner_creds(sd_bus bus, uint64_t* mask, sd_bus_creds **creds);

sd_bus_get_name_creds() queries the credentials of the bus client identified by name. The mask parameter is a combo of SD_BUS_CREDS_* flags that indicate which credential info the caller is interested in. See sd_bus_creds_new_from_pid(3) for a list of possible flags. On success, creds contains a new sd_bus_creds instance with the requested information. Ownership of this instance belongs to the caller and it should be freed once no longer needed by calling sd_bus_creds_unref(3).

sd_bus_get_owner_creds() queries the credentials of the creator of the given bus. The mask and creds parameters behave the same as in sd_bus_get_name_creds().

RETURN VALUE

On success, these functions return a non−negative integer. On failure, they return a negative errno−style error code.

Errors

Returned errors may indicate the following problems:

−EINVAL

An argument is invalid.

−ENOPKG

The bus cannot be resolved.

−EPERM

The bus has already been started.

−ECHILD

The bus was created in a different process.

−ENOMEM

Memory allocation failed.

NOTES

These APIs are implemented as a shared library, which can be compiled and linked to with the libelogind pkg-config(1) file.