sepol_genusers(3) - phpMan

sepol_genusers(3)            SE Linux binary policy API documentation           sepol_genusers(3)



NAME
       sepol_genusers - Generate a new binary policy image with a customized user configuration

SYNOPSIS
       #include <sepol/sepol.h>

       int  sepol_genusers(void  *data,  size_t  len, const char *usersdir, void *newdata, size_t
       *newlen);

       void sepol_set_delusers(int on);


DESCRIPTION
       sepol_genusers generates a new binary policy image from an existing  binary  policy  image
       stored  in the memory region described by the starting address data and the length len and
       a pair of user configuration files named system.users and local.users from  the  directory
       specified  by  usersdir.  The resulting binary policy is placed into dynamically allocated
       memory and the variables newdata and newlen are set to refer to  the  new  binary  image's
       starting address and length.  The original binary policy image is not modified.

       By  default,  sepol_genusers  will  preserve user entries that are defined in the original
       binary policy image but not defined in the user configuration files.  If such user entries
       should   instead  by  omitted  entirely  from  the  new  binary  policy  image,  then  the
       sepol_set_delusers function may be called with on set to 1 prior to calling sepol_genusers
       in order to enable deletion of such users.


RETURN VALUE
       Returns  0  on  success or -1 otherwise, with errno set appropriately.  An errno of ENOENT
       indicates that one or both of the user configuration files did not  exist.   An  errno  of
       EINVAL  indicates  that  either the original binary policy image or the generated one were
       invalid.  An errno of ENOMEM indicates that insufficient memory was available  to  process
       the  original binary policy image or to generate the new policy image.  Invalid entries in
       the user configuration files are skipped with a warning.



sds AT tycho.gov                         15 March 2005                         sepol_genusers(3)

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