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Commit Graph
15 Commits
Author SHA1 Message Date
Mike Yuan 7fe28d8386 uid-range: place 'ret' param at last 2024-04-08 20:14:38 +08:00
Mike Yuan 0aec92a5cc uid-range: use FOREACH_ARRAY at one more place 2024-04-08 20:14:38 +08:00
Lennart Poettering afdd0efa63 uid-range: add some basic operations on UidRange objects 
Helpers to compare and get size, and whether the object is empty.
 2024-04-06 16:08:23 +02:00
Lennart Poettering 20ba086e77 uid-range: add new uid_range_load_userns_by_fd() helper 
This is similar to uid_range_load_userns() but instead of reading the
uid_map off a process it reads it off a userns fd.

(Of course the kernel has no API for this right now, hence we fork off a
throw-away process which joins the user namespace, and then read off the
data from there.)
 2024-04-06 16:08:23 +02:00
Lennart Poettering 6ebb53d945 uid-range: optionally load outside view of UID range from uid_map procfs file 2024-04-06 16:08:23 +02:00
Lennart Poettering 5bff40e719 uid-range: add uid_range_overlaps() helper 2024-04-06 16:08:23 +02:00
Zbigniew Jędrzejewski-Szmek eb7d7d14fb src/basic: "UidRange" → "UIDRange" 
We don't "uncapitalize" parts of an already-capitalized name when concatenating
words. In particular, we had UidRange in basic/uid-range.h and UGIDAllocationRange
in basic/uid-alloc-range.h, which is annoying.
 2024-01-09 11:15:00 +01:00
Mike Yuan 7312c422f0 basic/uid-range: add uid_map_read_one helper 2023-12-15 21:22:51 +08:00
Yu Watanabe 8dcc66cefc uid-range: tie up number and array of uid range entries 
This renames UidRange -> UidRangeEntry, and reintroduces UidRange which
contains the array of UidRangeEntry and its size.
No fucntional changes, just refactoring.
 2022-09-16 20:56:58 +09:00
Yu Watanabe 6cc6cd9289 uid-range: make uid_range_intersect() take two UidRange objects 
No functional changes, just refactoring.
 2022-09-16 20:52:47 +09:00
Yu Watanabe f6c13f9f95 uid-range: optimize to load uid_map file 
If uid_map contains many lines, then the previous logic takes O(n^2 log n),
This makes O(n log n).
 2022-09-16 20:52:36 +09:00
Yu Watanabe b5739767da uid-range: escape from loop earlier 
The array of uid range entries are already sorted. Hence, if x and y are
does not have intersection, then the remaining entries neither have
intersection with x.
 2022-09-16 20:50:00 +09:00
Yu Watanabe 34eeba475d uid-range: sort uid range entries in uid_range_coalesce() 
As the logic in uid_range_coalesce() assumes the array of entries are
already sorted.
No functional changes, just refactoring.
 2022-09-16 20:49:55 +09:00
Yu Watanabe 7cf337c50f uid-range: use parse_uid_range() 2022-09-16 20:48:53 +09:00
Yu Watanabe a30d3c0134 uid-range: move to src/basic/ 
To make the functions defined in the files usable by libsystemd library.
 2022-09-08 11:08:43 +09:00