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nss/libsubid: simplify the ranges variable for list_owner_ranges

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Following alexey-tikhonov's suggestion.

Since we've dropped the 'owner' field in the data returned for
get_subid_ranges, we can just return a single allocated array of
simple structs.  This means we can return a ** instead of ***, and
we can get rid of the subid_free_ranges() helper, since the caller
can just free() the returned data.

Signed-off-by: Serge Hallyn <serge@hallyn.com>
This commit is contained in:
Serge Hallyn
2021-05-22 12:16:50 -05:00
parent 322db32971
commit 3d670ba7ed
8 changed files with 39 additions and 74 deletions
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7
lib/prototypes.h
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@@ -300,16 +300,15 @@ struct subid_nss_ops {
*
* @owner - string representing username being queried
* @id_type - subuid or subgid
* @ranges - pointer to an array of struct subid_range pointers, or
* NULL. The returned array of struct subid_range and its
* members must be freed by the caller.
* @ranges - pointer to an array of struct subid_range, or NULL. The
* returned array must be freed by the caller.
* @count - pointer to an integer into which the number of returned ranges
* is written.
* returns success if the module was able to determine an answer,
* else an error status.
*/
enum subid_status (*list_owner_ranges)(const char *owner, enum subid_type id_type, struct subid_range ***ranges, int *count);
enum subid_status (*list_owner_ranges)(const char *owner, enum subid_type id_type, struct subid_range **ranges, int *count);
/*
* nss_find_subid_owners: find uids who own a given subuid or subgid.