NAME¶

capng_update - update the stored capabilities settings

SYNOPSIS¶

#include <cap-ng.h>

int capng_update(capng_act_t action, capng_type_t type,unsigned int capability);

DESCRIPTION¶

capng_update will update the internal POSIX capabilities settings based on the options passed to it. The action should be either CAPNG_DROP to set the capability bit to 0, or CAPNG_ADD to set the capability bit to 1. The operation is performed on the capability set specified in the type parameter. The values are: CAPNG_EFFECTIVE, CAPNG_PERMITTED, CAPNG_INHERITABLE, CAPNG_BOUNDING_SET, or CAPNG_AMBIENT. The values may be or'ed together to perform the same operation on multiple sets. The last parameter, capability, is the capability define as given in linux/capability.h.

RETURN VALUE¶

This returns 0 on success and -1 on failure.

SEE ALSO¶

capng_updatev(3), capabilities(7)

AUTHOR¶

Steve Grubb