sd_bus_get_name_creds, sd_bus_get_owner_creds — Query bus client credentials
|const char *name,|
sd_bus_get_name_creds() queries the credentials of the bus client
mask parameter is a combo of
SD_BUS_CREDS_* flags that indicate which credential info the caller is
interested in. See
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_get_owner_creds() queries the credentials of the creator of the given
creds parameters behave the same as in
On success, these functions return a non-negative integer. On failure, they return a negative errno-style error code.
Returned errors may indicate the following problems:
An argument is invalid.
The bus cannot be resolved.
The bus has already been started.
The bus was created in a different process, library or module instance.
Memory allocation failed.
Functions described here are available as a shared
library, which can be compiled against and linked to with the
The code described here uses
which is declared to be not multi-thread-safe. This means that the code calling the functions described
here must not call
from a parallel thread. It is recommended to only do calls to
from an early phase of the program when no other threads have been started.
sd_bus_get_owner_creds() were added in version 246.